From 097c009a2364e1eb09a399fdf456d3084ed11f97 Mon Sep 17 00:00:00 2001 From: Akki Garg Date: Fri, 6 Feb 2026 17:23:32 -0500 Subject: [PATCH 01/12] added littlefs files --- Ganesha_II_V2/.settings/language.settings.xml | 8 +- Ganesha_II_V2/Core/Inc/littlefs/lfs.h | 797 ++ Ganesha_II_V2/Core/Inc/littlefs/lfs_port.h | 31 + Ganesha_II_V2/Core/Inc/littlefs/lfs_util.h | 273 + Ganesha_II_V2/Core/Src/littlefs/lfs.c | 6518 +++++++++++++++++ Ganesha_II_V2/Core/Src/littlefs/lfs_port.c | 142 + Ganesha_II_V2/Core/Src/littlefs/lfs_util.c | 37 + 7 files changed, 7802 insertions(+), 4 deletions(-) create mode 100644 Ganesha_II_V2/Core/Inc/littlefs/lfs.h create mode 100644 Ganesha_II_V2/Core/Inc/littlefs/lfs_port.h create mode 100644 Ganesha_II_V2/Core/Inc/littlefs/lfs_util.h create mode 100644 Ganesha_II_V2/Core/Src/littlefs/lfs.c create mode 100644 Ganesha_II_V2/Core/Src/littlefs/lfs_port.c create mode 100644 Ganesha_II_V2/Core/Src/littlefs/lfs_util.c diff --git a/Ganesha_II_V2/.settings/language.settings.xml b/Ganesha_II_V2/.settings/language.settings.xml index 32a63b1..7ee61d0 100644 --- a/Ganesha_II_V2/.settings/language.settings.xml +++ b/Ganesha_II_V2/.settings/language.settings.xml @@ -5,7 +5,7 @@ - + @@ -16,7 +16,7 @@ - + @@ -27,7 +27,7 @@ - + @@ -38,7 +38,7 @@ - + diff --git a/Ganesha_II_V2/Core/Inc/littlefs/lfs.h b/Ganesha_II_V2/Core/Inc/littlefs/lfs.h new file mode 100644 index 0000000..4531560 --- /dev/null +++ b/Ganesha_II_V2/Core/Inc/littlefs/lfs.h @@ -0,0 +1,797 @@ +/* + * The little filesystem + * + * Copyright (c) 2022, The littlefs authors. + * Copyright (c) 2017, Arm Limited. All rights reserved. + * SPDX-License-Identifier: BSD-3-Clause + */ +#ifndef LFS_H +#define LFS_H + +#include "lfs_util.h" + +#ifdef __cplusplus +extern "C" +{ +#endif + + +/// Version info /// + +// Software library version +// Major (top-nibble), incremented on backwards incompatible changes +// Minor (bottom-nibble), incremented on feature additions +#define LFS_VERSION 0x0002000a +#define LFS_VERSION_MAJOR (0xffff & (LFS_VERSION >> 16)) +#define LFS_VERSION_MINOR (0xffff & (LFS_VERSION >> 0)) + +// Version of On-disk data structures +// Major (top-nibble), incremented on backwards incompatible changes +// Minor (bottom-nibble), incremented on feature additions +#define LFS_DISK_VERSION 0x00020001 +#define LFS_DISK_VERSION_MAJOR (0xffff & (LFS_DISK_VERSION >> 16)) +#define LFS_DISK_VERSION_MINOR (0xffff & (LFS_DISK_VERSION >> 0)) + + +/// Definitions /// + +// Type definitions +typedef uint32_t lfs_size_t; +typedef uint32_t lfs_off_t; + +typedef int32_t lfs_ssize_t; +typedef int32_t lfs_soff_t; + +typedef uint32_t lfs_block_t; + +// Maximum name size in bytes, may be redefined to reduce the size of the +// info struct. Limited to <= 1022. Stored in superblock and must be +// respected by other littlefs drivers. +#ifndef LFS_NAME_MAX +#define LFS_NAME_MAX 255 +#endif + +// Maximum size of a file in bytes, may be redefined to limit to support other +// drivers. Limited on disk to <= 2147483647. Stored in superblock and must be +// respected by other littlefs drivers. +#ifndef LFS_FILE_MAX +#define LFS_FILE_MAX 2147483647 +#endif + +// Maximum size of custom attributes in bytes, may be redefined, but there is +// no real benefit to using a smaller LFS_ATTR_MAX. Limited to <= 1022. Stored +// in superblock and must be respected by other littlefs drivers. +#ifndef LFS_ATTR_MAX +#define LFS_ATTR_MAX 1022 +#endif + +// Possible error codes, these are negative to allow +// valid positive return values +enum lfs_error { + LFS_ERR_OK = 0, // No error + LFS_ERR_IO = -5, // Error during device operation + LFS_ERR_CORRUPT = -84, // Corrupted + LFS_ERR_NOENT = -2, // No directory entry + LFS_ERR_EXIST = -17, // Entry already exists + LFS_ERR_NOTDIR = -20, // Entry is not a dir + LFS_ERR_ISDIR = -21, // Entry is a dir + LFS_ERR_NOTEMPTY = -39, // Dir is not empty + LFS_ERR_BADF = -9, // Bad file number + LFS_ERR_FBIG = -27, // File too large + LFS_ERR_INVAL = -22, // Invalid parameter + LFS_ERR_NOSPC = -28, // No space left on device + LFS_ERR_NOMEM = -12, // No more memory available + LFS_ERR_NOATTR = -61, // No data/attr available + LFS_ERR_NAMETOOLONG = -36, // File name too long +}; + +// File types +enum lfs_type { + // file types + LFS_TYPE_REG = 0x001, + LFS_TYPE_DIR = 0x002, + + // internally used types + LFS_TYPE_SPLICE = 0x400, + LFS_TYPE_NAME = 0x000, + LFS_TYPE_STRUCT = 0x200, + LFS_TYPE_USERATTR = 0x300, + LFS_TYPE_FROM = 0x100, + LFS_TYPE_TAIL = 0x600, + LFS_TYPE_GLOBALS = 0x700, + LFS_TYPE_CRC = 0x500, + + // internally used type specializations + LFS_TYPE_CREATE = 0x401, + LFS_TYPE_DELETE = 0x4ff, + LFS_TYPE_SUPERBLOCK = 0x0ff, + LFS_TYPE_DIRSTRUCT = 0x200, + LFS_TYPE_CTZSTRUCT = 0x202, + LFS_TYPE_INLINESTRUCT = 0x201, + LFS_TYPE_SOFTTAIL = 0x600, + LFS_TYPE_HARDTAIL = 0x601, + LFS_TYPE_MOVESTATE = 0x7ff, + LFS_TYPE_CCRC = 0x500, + LFS_TYPE_FCRC = 0x5ff, + + // internal chip sources + LFS_FROM_NOOP = 0x000, + LFS_FROM_MOVE = 0x101, + LFS_FROM_USERATTRS = 0x102, +}; + +// File open flags +enum lfs_open_flags { + // open flags + LFS_O_RDONLY = 1, // Open a file as read only +#ifndef LFS_READONLY + LFS_O_WRONLY = 2, // Open a file as write only + LFS_O_RDWR = 3, // Open a file as read and write + LFS_O_CREAT = 0x0100, // Create a file if it does not exist + LFS_O_EXCL = 0x0200, // Fail if a file already exists + LFS_O_TRUNC = 0x0400, // Truncate the existing file to zero size + LFS_O_APPEND = 0x0800, // Move to end of file on every write +#endif + + // internally used flags +#ifndef LFS_READONLY + LFS_F_DIRTY = 0x010000, // File does not match storage + LFS_F_WRITING = 0x020000, // File has been written since last flush +#endif + LFS_F_READING = 0x040000, // File has been read since last flush +#ifndef LFS_READONLY + LFS_F_ERRED = 0x080000, // An error occurred during write +#endif + LFS_F_INLINE = 0x100000, // Currently inlined in directory entry +}; + +// File seek flags +enum lfs_whence_flags { + LFS_SEEK_SET = 0, // Seek relative to an absolute position + LFS_SEEK_CUR = 1, // Seek relative to the current file position + LFS_SEEK_END = 2, // Seek relative to the end of the file +}; + + +// Configuration provided during initialization of the littlefs +struct lfs_config { + // Opaque user provided context that can be used to pass + // information to the block device operations + void *context; + + // Read a region in a block. Negative error codes are propagated + // to the user. + int (*read)(const struct lfs_config *c, lfs_block_t block, + lfs_off_t off, void *buffer, lfs_size_t size); + + // Program a region in a block. The block must have previously + // been erased. Negative error codes are propagated to the user. + // May return LFS_ERR_CORRUPT if the block should be considered bad. + int (*prog)(const struct lfs_config *c, lfs_block_t block, + lfs_off_t off, const void *buffer, lfs_size_t size); + + // Erase a block. A block must be erased before being programmed. + // The state of an erased block is undefined. Negative error codes + // are propagated to the user. + // May return LFS_ERR_CORRUPT if the block should be considered bad. + int (*erase)(const struct lfs_config *c, lfs_block_t block); + + // Sync the state of the underlying block device. Negative error codes + // are propagated to the user. + int (*sync)(const struct lfs_config *c); + +#ifdef LFS_THREADSAFE + // Lock the underlying block device. Negative error codes + // are propagated to the user. + int (*lock)(const struct lfs_config *c); + + // Unlock the underlying block device. Negative error codes + // are propagated to the user. + int (*unlock)(const struct lfs_config *c); +#endif + + // Minimum size of a block read in bytes. All read operations will be a + // multiple of this value. + lfs_size_t read_size; + + // Minimum size of a block program in bytes. All program operations will be + // a multiple of this value. + lfs_size_t prog_size; + + // Size of an erasable block in bytes. This does not impact ram consumption + // and may be larger than the physical erase size. However, non-inlined + // files take up at minimum one block. Must be a multiple of the read and + // program sizes. + lfs_size_t block_size; + + // Number of erasable blocks on the device. Defaults to block_count stored + // on disk when zero. + lfs_size_t block_count; + + // Number of erase cycles before littlefs evicts metadata logs and moves + // the metadata to another block. Suggested values are in the + // range 100-1000, with large values having better performance at the cost + // of less consistent wear distribution. + // + // Set to -1 to disable block-level wear-leveling. + int32_t block_cycles; + + // Size of block caches in bytes. Each cache buffers a portion of a block in + // RAM. The littlefs needs a read cache, a program cache, and one additional + // cache per file. Larger caches can improve performance by storing more + // data and reducing the number of disk accesses. Must be a multiple of the + // read and program sizes, and a factor of the block size. + lfs_size_t cache_size; + + // Size of the lookahead buffer in bytes. A larger lookahead buffer + // increases the number of blocks found during an allocation pass. The + // lookahead buffer is stored as a compact bitmap, so each byte of RAM + // can track 8 blocks. + lfs_size_t lookahead_size; + + // Threshold for metadata compaction during lfs_fs_gc in bytes. Metadata + // pairs that exceed this threshold will be compacted during lfs_fs_gc. + // Defaults to ~88% block_size when zero, though the default may change + // in the future. + // + // Note this only affects lfs_fs_gc. Normal compactions still only occur + // when full. + // + // Set to -1 to disable metadata compaction during lfs_fs_gc. + lfs_size_t compact_thresh; + + // Optional statically allocated read buffer. Must be cache_size. + // By default lfs_malloc is used to allocate this buffer. + void *read_buffer; + + // Optional statically allocated program buffer. Must be cache_size. + // By default lfs_malloc is used to allocate this buffer. + void *prog_buffer; + + // Optional statically allocated lookahead buffer. Must be lookahead_size. + // By default lfs_malloc is used to allocate this buffer. + void *lookahead_buffer; + + // Optional upper limit on length of file names in bytes. No downside for + // larger names except the size of the info struct which is controlled by + // the LFS_NAME_MAX define. Defaults to LFS_NAME_MAX or name_max stored on + // disk when zero. + lfs_size_t name_max; + + // Optional upper limit on files in bytes. No downside for larger files + // but must be <= LFS_FILE_MAX. Defaults to LFS_FILE_MAX or file_max stored + // on disk when zero. + lfs_size_t file_max; + + // Optional upper limit on custom attributes in bytes. No downside for + // larger attributes size but must be <= LFS_ATTR_MAX. Defaults to + // LFS_ATTR_MAX or attr_max stored on disk when zero. + lfs_size_t attr_max; + + // Optional upper limit on total space given to metadata pairs in bytes. On + // devices with large blocks (e.g. 128kB) setting this to a low size (2-8kB) + // can help bound the metadata compaction time. Must be <= block_size. + // Defaults to block_size when zero. + lfs_size_t metadata_max; + + // Optional upper limit on inlined files in bytes. Inlined files live in + // metadata and decrease storage requirements, but may be limited to + // improve metadata-related performance. Must be <= cache_size, <= + // attr_max, and <= block_size/8. Defaults to the largest possible + // inline_max when zero. + // + // Set to -1 to disable inlined files. + lfs_size_t inline_max; + +#ifdef LFS_MULTIVERSION + // On-disk version to use when writing in the form of 16-bit major version + // + 16-bit minor version. This limiting metadata to what is supported by + // older minor versions. Note that some features will be lost. Defaults to + // to the most recent minor version when zero. + uint32_t disk_version; +#endif +}; + +// File info structure +struct lfs_info { + // Type of the file, either LFS_TYPE_REG or LFS_TYPE_DIR + uint8_t type; + + // Size of the file, only valid for REG files. Limited to 32-bits. + lfs_size_t size; + + // Name of the file stored as a null-terminated string. Limited to + // LFS_NAME_MAX+1, which can be changed by redefining LFS_NAME_MAX to + // reduce RAM. LFS_NAME_MAX is stored in superblock and must be + // respected by other littlefs drivers. + char name[LFS_NAME_MAX+1]; +}; + +// Filesystem info structure +struct lfs_fsinfo { + // On-disk version. + uint32_t disk_version; + + // Size of a logical block in bytes. + lfs_size_t block_size; + + // Number of logical blocks in filesystem. + lfs_size_t block_count; + + // Upper limit on the length of file names in bytes. + lfs_size_t name_max; + + // Upper limit on the size of files in bytes. + lfs_size_t file_max; + + // Upper limit on the size of custom attributes in bytes. + lfs_size_t attr_max; +}; + +// Custom attribute structure, used to describe custom attributes +// committed atomically during file writes. +struct lfs_attr { + // 8-bit type of attribute, provided by user and used to + // identify the attribute + uint8_t type; + + // Pointer to buffer containing the attribute + void *buffer; + + // Size of attribute in bytes, limited to LFS_ATTR_MAX + lfs_size_t size; +}; + +// Optional configuration provided during lfs_file_opencfg +struct lfs_file_config { + // Optional statically allocated file buffer. Must be cache_size. + // By default lfs_malloc is used to allocate this buffer. + void *buffer; + + // Optional list of custom attributes related to the file. If the file + // is opened with read access, these attributes will be read from disk + // during the open call. If the file is opened with write access, the + // attributes will be written to disk every file sync or close. This + // write occurs atomically with update to the file's contents. + // + // Custom attributes are uniquely identified by an 8-bit type and limited + // to LFS_ATTR_MAX bytes. When read, if the stored attribute is smaller + // than the buffer, it will be padded with zeros. If the stored attribute + // is larger, then it will be silently truncated. If the attribute is not + // found, it will be created implicitly. + struct lfs_attr *attrs; + + // Number of custom attributes in the list + lfs_size_t attr_count; +}; + + +/// internal littlefs data structures /// +typedef struct lfs_cache { + lfs_block_t block; + lfs_off_t off; + lfs_size_t size; + uint8_t *buffer; +} lfs_cache_t; + +typedef struct lfs_mdir { + lfs_block_t pair[2]; + uint32_t rev; + lfs_off_t off; + uint32_t etag; + uint16_t count; + bool erased; + bool split; + lfs_block_t tail[2]; +} lfs_mdir_t; + +// littlefs directory type +typedef struct lfs_dir { + struct lfs_dir *next; + uint16_t id; + uint8_t type; + lfs_mdir_t m; + + lfs_off_t pos; + lfs_block_t head[2]; +} lfs_dir_t; + +// littlefs file type +typedef struct lfs_file { + struct lfs_file *next; + uint16_t id; + uint8_t type; + lfs_mdir_t m; + + struct lfs_ctz { + lfs_block_t head; + lfs_size_t size; + } ctz; + + uint32_t flags; + lfs_off_t pos; + lfs_block_t block; + lfs_off_t off; + lfs_cache_t cache; + + const struct lfs_file_config *cfg; +} lfs_file_t; + +typedef struct lfs_superblock { + uint32_t version; + lfs_size_t block_size; + lfs_size_t block_count; + lfs_size_t name_max; + lfs_size_t file_max; + lfs_size_t attr_max; +} lfs_superblock_t; + +typedef struct lfs_gstate { + uint32_t tag; + lfs_block_t pair[2]; +} lfs_gstate_t; + +// The littlefs filesystem type +typedef struct lfs { + lfs_cache_t rcache; + lfs_cache_t pcache; + + lfs_block_t root[2]; + struct lfs_mlist { + struct lfs_mlist *next; + uint16_t id; + uint8_t type; + lfs_mdir_t m; + } *mlist; + uint32_t seed; + + lfs_gstate_t gstate; + lfs_gstate_t gdisk; + lfs_gstate_t gdelta; + + struct lfs_lookahead { + lfs_block_t start; + lfs_block_t size; + lfs_block_t next; + lfs_block_t ckpoint; + uint8_t *buffer; + } lookahead; + + const struct lfs_config *cfg; + lfs_size_t block_count; + lfs_size_t name_max; + lfs_size_t file_max; + lfs_size_t attr_max; + lfs_size_t inline_max; + +#ifdef LFS_MIGRATE + struct lfs1 *lfs1; +#endif +} lfs_t; + + +/// Filesystem functions /// + +#ifndef LFS_READONLY +// Format a block device with the littlefs +// +// Requires a littlefs object and config struct. This clobbers the littlefs +// object, and does not leave the filesystem mounted. The config struct must +// be zeroed for defaults and backwards compatibility. +// +// Returns a negative error code on failure. +int lfs_format(lfs_t *lfs, const struct lfs_config *config); +#endif + +// Mounts a littlefs +// +// Requires a littlefs object and config struct. Multiple filesystems +// may be mounted simultaneously with multiple littlefs objects. Both +// lfs and config must be allocated while mounted. The config struct must +// be zeroed for defaults and backwards compatibility. +// +// Returns a negative error code on failure. +int lfs_mount(lfs_t *lfs, const struct lfs_config *config); + +// Unmounts a littlefs +// +// Does nothing besides releasing any allocated resources. +// Returns a negative error code on failure. +int lfs_unmount(lfs_t *lfs); + +/// General operations /// + +#ifndef LFS_READONLY +// Removes a file or directory +// +// If removing a directory, the directory must be empty. +// Returns a negative error code on failure. +int lfs_remove(lfs_t *lfs, const char *path); +#endif + +#ifndef LFS_READONLY +// Rename or move a file or directory +// +// If the destination exists, it must match the source in type. +// If the destination is a directory, the directory must be empty. +// +// Returns a negative error code on failure. +int lfs_rename(lfs_t *lfs, const char *oldpath, const char *newpath); +#endif + +// Find info about a file or directory +// +// Fills out the info structure, based on the specified file or directory. +// Returns a negative error code on failure. +int lfs_stat(lfs_t *lfs, const char *path, struct lfs_info *info); + +// Get a custom attribute +// +// Custom attributes are uniquely identified by an 8-bit type and limited +// to LFS_ATTR_MAX bytes. When read, if the stored attribute is smaller than +// the buffer, it will be padded with zeros. If the stored attribute is larger, +// then it will be silently truncated. If no attribute is found, the error +// LFS_ERR_NOATTR is returned and the buffer is filled with zeros. +// +// Returns the size of the attribute, or a negative error code on failure. +// Note, the returned size is the size of the attribute on disk, irrespective +// of the size of the buffer. This can be used to dynamically allocate a buffer +// or check for existence. +lfs_ssize_t lfs_getattr(lfs_t *lfs, const char *path, + uint8_t type, void *buffer, lfs_size_t size); + +#ifndef LFS_READONLY +// Set custom attributes +// +// Custom attributes are uniquely identified by an 8-bit type and limited +// to LFS_ATTR_MAX bytes. If an attribute is not found, it will be +// implicitly created. +// +// Returns a negative error code on failure. +int lfs_setattr(lfs_t *lfs, const char *path, + uint8_t type, const void *buffer, lfs_size_t size); +#endif + +#ifndef LFS_READONLY +// Removes a custom attribute +// +// If an attribute is not found, nothing happens. +// +// Returns a negative error code on failure. +int lfs_removeattr(lfs_t *lfs, const char *path, uint8_t type); +#endif + + +/// File operations /// + +#ifndef LFS_NO_MALLOC +// Open a file +// +// The mode that the file is opened in is determined by the flags, which +// are values from the enum lfs_open_flags that are bitwise-ored together. +// +// Returns a negative error code on failure. +int lfs_file_open(lfs_t *lfs, lfs_file_t *file, + const char *path, int flags); + +// if LFS_NO_MALLOC is defined, lfs_file_open() will fail with LFS_ERR_NOMEM +// thus use lfs_file_opencfg() with config.buffer set. +#endif + +// Open a file with extra configuration +// +// The mode that the file is opened in is determined by the flags, which +// are values from the enum lfs_open_flags that are bitwise-ored together. +// +// The config struct provides additional config options per file as described +// above. The config struct must remain allocated while the file is open, and +// the config struct must be zeroed for defaults and backwards compatibility. +// +// Returns a negative error code on failure. +int lfs_file_opencfg(lfs_t *lfs, lfs_file_t *file, + const char *path, int flags, + const struct lfs_file_config *config); + +// Close a file +// +// Any pending writes are written out to storage as though +// sync had been called and releases any allocated resources. +// +// Returns a negative error code on failure. +int lfs_file_close(lfs_t *lfs, lfs_file_t *file); + +// Synchronize a file on storage +// +// Any pending writes are written out to storage. +// Returns a negative error code on failure. +int lfs_file_sync(lfs_t *lfs, lfs_file_t *file); + +// Read data from file +// +// Takes a buffer and size indicating where to store the read data. +// Returns the number of bytes read, or a negative error code on failure. +lfs_ssize_t lfs_file_read(lfs_t *lfs, lfs_file_t *file, + void *buffer, lfs_size_t size); + +#ifndef LFS_READONLY +// Write data to file +// +// Takes a buffer and size indicating the data to write. The file will not +// actually be updated on the storage until either sync or close is called. +// +// Returns the number of bytes written, or a negative error code on failure. +lfs_ssize_t lfs_file_write(lfs_t *lfs, lfs_file_t *file, + const void *buffer, lfs_size_t size); +#endif + +// Change the position of the file +// +// The change in position is determined by the offset and whence flag. +// Returns the new position of the file, or a negative error code on failure. +lfs_soff_t lfs_file_seek(lfs_t *lfs, lfs_file_t *file, + lfs_soff_t off, int whence); + +#ifndef LFS_READONLY +// Truncates the size of the file to the specified size +// +// Returns a negative error code on failure. +int lfs_file_truncate(lfs_t *lfs, lfs_file_t *file, lfs_off_t size); +#endif + +// Return the position of the file +// +// Equivalent to lfs_file_seek(lfs, file, 0, LFS_SEEK_CUR) +// Returns the position of the file, or a negative error code on failure. +lfs_soff_t lfs_file_tell(lfs_t *lfs, lfs_file_t *file); + +// Change the position of the file to the beginning of the file +// +// Equivalent to lfs_file_seek(lfs, file, 0, LFS_SEEK_SET) +// Returns a negative error code on failure. +int lfs_file_rewind(lfs_t *lfs, lfs_file_t *file); + +// Return the size of the file +// +// Similar to lfs_file_seek(lfs, file, 0, LFS_SEEK_END) +// Returns the size of the file, or a negative error code on failure. +lfs_soff_t lfs_file_size(lfs_t *lfs, lfs_file_t *file); + + +/// Directory operations /// + +#ifndef LFS_READONLY +// Create a directory +// +// Returns a negative error code on failure. +int lfs_mkdir(lfs_t *lfs, const char *path); +#endif + +// Open a directory +// +// Once open a directory can be used with read to iterate over files. +// Returns a negative error code on failure. +int lfs_dir_open(lfs_t *lfs, lfs_dir_t *dir, const char *path); + +// Close a directory +// +// Releases any allocated resources. +// Returns a negative error code on failure. +int lfs_dir_close(lfs_t *lfs, lfs_dir_t *dir); + +// Read an entry in the directory +// +// Fills out the info structure, based on the specified file or directory. +// Returns a positive value on success, 0 at the end of directory, +// or a negative error code on failure. +int lfs_dir_read(lfs_t *lfs, lfs_dir_t *dir, struct lfs_info *info); + +// Change the position of the directory +// +// The new off must be a value previous returned from tell and specifies +// an absolute offset in the directory seek. +// +// Returns a negative error code on failure. +int lfs_dir_seek(lfs_t *lfs, lfs_dir_t *dir, lfs_off_t off); + +// Return the position of the directory +// +// The returned offset is only meant to be consumed by seek and may not make +// sense, but does indicate the current position in the directory iteration. +// +// Returns the position of the directory, or a negative error code on failure. +lfs_soff_t lfs_dir_tell(lfs_t *lfs, lfs_dir_t *dir); + +// Change the position of the directory to the beginning of the directory +// +// Returns a negative error code on failure. +int lfs_dir_rewind(lfs_t *lfs, lfs_dir_t *dir); + + +/// Filesystem-level filesystem operations + +// Find on-disk info about the filesystem +// +// Fills out the fsinfo structure based on the filesystem found on-disk. +// Returns a negative error code on failure. +int lfs_fs_stat(lfs_t *lfs, struct lfs_fsinfo *fsinfo); + +// Finds the current size of the filesystem +// +// Note: Result is best effort. If files share COW structures, the returned +// size may be larger than the filesystem actually is. +// +// Returns the number of allocated blocks, or a negative error code on failure. +lfs_ssize_t lfs_fs_size(lfs_t *lfs); + +// Traverse through all blocks in use by the filesystem +// +// The provided callback will be called with each block address that is +// currently in use by the filesystem. This can be used to determine which +// blocks are in use or how much of the storage is available. +// +// Returns a negative error code on failure. +int lfs_fs_traverse(lfs_t *lfs, int (*cb)(void*, lfs_block_t), void *data); + +#ifndef LFS_READONLY +// Attempt to make the filesystem consistent and ready for writing +// +// Calling this function is not required, consistency will be implicitly +// enforced on the first operation that writes to the filesystem, but this +// function allows the work to be performed earlier and without other +// filesystem changes. +// +// Returns a negative error code on failure. +int lfs_fs_mkconsistent(lfs_t *lfs); +#endif + +#ifndef LFS_READONLY +// Attempt any janitorial work +// +// This currently: +// 1. Calls mkconsistent if not already consistent +// 2. Compacts metadata > compact_thresh +// 3. Populates the block allocator +// +// Though additional janitorial work may be added in the future. +// +// Calling this function is not required, but may allow the offloading of +// expensive janitorial work to a less time-critical code path. +// +// Returns a negative error code on failure. Accomplishing nothing is not +// an error. +int lfs_fs_gc(lfs_t *lfs); +#endif + +#ifndef LFS_READONLY +// Grows the filesystem to a new size, updating the superblock with the new +// block count. +// +// Note: This is irreversible. +// +// Returns a negative error code on failure. +int lfs_fs_grow(lfs_t *lfs, lfs_size_t block_count); +#endif + +#ifndef LFS_READONLY +#ifdef LFS_MIGRATE +// Attempts to migrate a previous version of littlefs +// +// Behaves similarly to the lfs_format function. Attempts to mount +// the previous version of littlefs and update the filesystem so it can be +// mounted with the current version of littlefs. +// +// Requires a littlefs object and config struct. This clobbers the littlefs +// object, and does not leave the filesystem mounted. The config struct must +// be zeroed for defaults and backwards compatibility. +// +// Returns a negative error code on failure. +int lfs_migrate(lfs_t *lfs, const struct lfs_config *cfg); +#endif +#endif + + +#ifdef __cplusplus +} /* extern "C" */ +#endif + +#endif diff --git a/Ganesha_II_V2/Core/Inc/littlefs/lfs_port.h b/Ganesha_II_V2/Core/Inc/littlefs/lfs_port.h new file mode 100644 index 0000000..a8eef20 --- /dev/null +++ b/Ganesha_II_V2/Core/Inc/littlefs/lfs_port.h @@ -0,0 +1,31 @@ +#ifndef INC_LITTLEFS_LFS_PORT_H_ +#define INC_LITTLEFS_LFS_PORT_H_ + +#include "lfs.h" +#include "lfs_util.h" + +// W25N01KV command opcodes (only some of them) (Page 26 of Datasheet) +#define W25N_CMD_READ_JEDEC_ID 0x9F +#define W25N_CMD_READ_STATUS_REGISTER 0x0F // Checks if Page Data Read is done (BUSY = 1) (not sure if needed for now) +#define W25N_CMD_PAGE_DATA_READ 0x13 // Reads data from a flash page into the data buffer | Resets WEL bit +#define W25N_CMD_READ_FROM_BUFFER 0x03 // Reads from the data buffer +#define W25N_CMD_WRITE_ENABLE 0x06 // Required for Load Program Data | Sets WEL bit to 1 +#define W25N_CMD_WRITE_DISABLE 0x04 // Resets WEL bit to 0 +#define W25N_CMD_LOAD_PROGRAM_DATA 0x02 // Loads data into the data buffer (Max 1 page) +#define W25N_CMD_PROGRAM_EXECUTE 0x10 // Programs the data in the data buffer to the specified page in flash (Also resets WEL bit to 0 when finished) +#define W25N_CMD_BLOCK_ERASE 0xD8 + +// General Specs (Page 5 of Datasheet) +#define W25N_PAGE_SIZE 2048 +#define W25N_PAGES_PER_BLOCK 64 +#define W25N_BLOCK_SIZE (W25N_PAGE_SIZE * W25N_PAGES_PER_BLOCK) +#define W25N_BLOCK_COUNT 1024 + + +int lfs_read(const struct lfs_config *c, lfs_block_t block, lfs_off_t offset, uint8_t *location, lfs_size_t size); +int lfs_prog(const struct lfs_config *c, lfs_block_t block, lfs_off_t offset, uint8_t *data, lfs_size_t size); +int lfs_erase(const struct lfs_config *c, lfs_block_t block); +int lfs_sync(const struct lfs_config *c); + + +#endif /* INC_LITTLEFS_LFS_PORT_H_ */ diff --git a/Ganesha_II_V2/Core/Inc/littlefs/lfs_util.h b/Ganesha_II_V2/Core/Inc/littlefs/lfs_util.h new file mode 100644 index 0000000..0aec488 --- /dev/null +++ b/Ganesha_II_V2/Core/Inc/littlefs/lfs_util.h @@ -0,0 +1,273 @@ +/* + * lfs utility functions + * + * Copyright (c) 2022, The littlefs authors. + * Copyright (c) 2017, Arm Limited. All rights reserved. + * SPDX-License-Identifier: BSD-3-Clause + */ +#ifndef LFS_UTIL_H +#define LFS_UTIL_H + +#define LFS_STRINGIZE(x) LFS_STRINGIZE2(x) +#define LFS_STRINGIZE2(x) #x + +// Users can override lfs_util.h with their own configuration by defining +// LFS_CONFIG as a header file to include (-DLFS_CONFIG=lfs_config.h). +// +// If LFS_CONFIG is used, none of the default utils will be emitted and must be +// provided by the config file. To start, I would suggest copying lfs_util.h +// and modifying as needed. +#ifdef LFS_CONFIG +#include LFS_STRINGIZE(LFS_CONFIG) +#else + +// Alternatively, users can provide a header file which defines +// macros and other things consumed by littlefs. +// +// For example, provide my_defines.h, which contains +// something like: +// +// #include +// extern void *my_malloc(size_t sz); +// #define LFS_MALLOC(sz) my_malloc(sz) +// +// And build littlefs with the header by defining LFS_DEFINES. +// (-DLFS_DEFINES=my_defines.h) + +#ifdef LFS_DEFINES +#include LFS_STRINGIZE(LFS_DEFINES) +#endif + +// System includes +#include +#include +#include +#include + +#ifndef LFS_NO_MALLOC +#include +#endif +#ifndef LFS_NO_ASSERT +#include +#endif +#if !defined(LFS_NO_DEBUG) || \ + !defined(LFS_NO_WARN) || \ + !defined(LFS_NO_ERROR) || \ + defined(LFS_YES_TRACE) +#include +#endif + +#ifdef __cplusplus +extern "C" +{ +#endif + + +// Macros, may be replaced by system specific wrappers. Arguments to these +// macros must not have side-effects as the macros can be removed for a smaller +// code footprint + +// Logging functions +#ifndef LFS_TRACE +#ifdef LFS_YES_TRACE +#define LFS_TRACE_(fmt, ...) \ + printf("%s:%d:trace: " fmt "%s\n", __FILE__, __LINE__, __VA_ARGS__) +#define LFS_TRACE(...) LFS_TRACE_(__VA_ARGS__, "") +#else +#define LFS_TRACE(...) +#endif +#endif + +#ifndef LFS_DEBUG +#ifndef LFS_NO_DEBUG +#define LFS_DEBUG_(fmt, ...) \ + printf("%s:%d:debug: " fmt "%s\n", __FILE__, __LINE__, __VA_ARGS__) +#define LFS_DEBUG(...) LFS_DEBUG_(__VA_ARGS__, "") +#else +#define LFS_DEBUG(...) +#endif +#endif + +#ifndef LFS_WARN +#ifndef LFS_NO_WARN +#define LFS_WARN_(fmt, ...) \ + printf("%s:%d:warn: " fmt "%s\n", __FILE__, __LINE__, __VA_ARGS__) +#define LFS_WARN(...) LFS_WARN_(__VA_ARGS__, "") +#else +#define LFS_WARN(...) +#endif +#endif + +#ifndef LFS_ERROR +#ifndef LFS_NO_ERROR +#define LFS_ERROR_(fmt, ...) \ + printf("%s:%d:error: " fmt "%s\n", __FILE__, __LINE__, __VA_ARGS__) +#define LFS_ERROR(...) LFS_ERROR_(__VA_ARGS__, "") +#else +#define LFS_ERROR(...) +#endif +#endif + +// Runtime assertions +#ifndef LFS_ASSERT +#ifndef LFS_NO_ASSERT +#define LFS_ASSERT(test) assert(test) +#else +#define LFS_ASSERT(test) +#endif +#endif + + +// Builtin functions, these may be replaced by more efficient +// toolchain-specific implementations. LFS_NO_INTRINSICS falls back to a more +// expensive basic C implementation for debugging purposes + +// Min/max functions for unsigned 32-bit numbers +static inline uint32_t lfs_max(uint32_t a, uint32_t b) { + return (a > b) ? a : b; +} + +static inline uint32_t lfs_min(uint32_t a, uint32_t b) { + return (a < b) ? a : b; +} + +// Align to nearest multiple of a size +static inline uint32_t lfs_aligndown(uint32_t a, uint32_t alignment) { + return a - (a % alignment); +} + +static inline uint32_t lfs_alignup(uint32_t a, uint32_t alignment) { + return lfs_aligndown(a + alignment-1, alignment); +} + +// Find the smallest power of 2 greater than or equal to a +static inline uint32_t lfs_npw2(uint32_t a) { +#if !defined(LFS_NO_INTRINSICS) && (defined(__GNUC__) || defined(__CC_ARM)) + return 32 - __builtin_clz(a-1); +#else + uint32_t r = 0; + uint32_t s; + a -= 1; + s = (a > 0xffff) << 4; a >>= s; r |= s; + s = (a > 0xff ) << 3; a >>= s; r |= s; + s = (a > 0xf ) << 2; a >>= s; r |= s; + s = (a > 0x3 ) << 1; a >>= s; r |= s; + return (r | (a >> 1)) + 1; +#endif +} + +// Count the number of trailing binary zeros in a +// lfs_ctz(0) may be undefined +static inline uint32_t lfs_ctz(uint32_t a) { +#if !defined(LFS_NO_INTRINSICS) && defined(__GNUC__) + return __builtin_ctz(a); +#else + return lfs_npw2((a & -a) + 1) - 1; +#endif +} + +// Count the number of binary ones in a +static inline uint32_t lfs_popc(uint32_t a) { +#if !defined(LFS_NO_INTRINSICS) && (defined(__GNUC__) || defined(__CC_ARM)) + return __builtin_popcount(a); +#else + a = a - ((a >> 1) & 0x55555555); + a = (a & 0x33333333) + ((a >> 2) & 0x33333333); + return (((a + (a >> 4)) & 0xf0f0f0f) * 0x1010101) >> 24; +#endif +} + +// Find the sequence comparison of a and b, this is the distance +// between a and b ignoring overflow +static inline int lfs_scmp(uint32_t a, uint32_t b) { + return (int)(unsigned)(a - b); +} + +// Convert between 32-bit little-endian and native order +static inline uint32_t lfs_fromle32(uint32_t a) { +#if (defined( BYTE_ORDER ) && defined( ORDER_LITTLE_ENDIAN ) && BYTE_ORDER == ORDER_LITTLE_ENDIAN ) || \ + (defined(__BYTE_ORDER ) && defined(__ORDER_LITTLE_ENDIAN ) && __BYTE_ORDER == __ORDER_LITTLE_ENDIAN ) || \ + (defined(__BYTE_ORDER__) && defined(__ORDER_LITTLE_ENDIAN__) && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__) + return a; +#elif !defined(LFS_NO_INTRINSICS) && ( \ + (defined( BYTE_ORDER ) && defined( ORDER_BIG_ENDIAN ) && BYTE_ORDER == ORDER_BIG_ENDIAN ) || \ + (defined(__BYTE_ORDER ) && defined(__ORDER_BIG_ENDIAN ) && __BYTE_ORDER == __ORDER_BIG_ENDIAN ) || \ + (defined(__BYTE_ORDER__) && defined(__ORDER_BIG_ENDIAN__) && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__)) + return __builtin_bswap32(a); +#else + return (((uint8_t*)&a)[0] << 0) | + (((uint8_t*)&a)[1] << 8) | + (((uint8_t*)&a)[2] << 16) | + (((uint8_t*)&a)[3] << 24); +#endif +} + +static inline uint32_t lfs_tole32(uint32_t a) { + return lfs_fromle32(a); +} + +// Convert between 32-bit big-endian and native order +static inline uint32_t lfs_frombe32(uint32_t a) { +#if !defined(LFS_NO_INTRINSICS) && ( \ + (defined( BYTE_ORDER ) && defined( ORDER_LITTLE_ENDIAN ) && BYTE_ORDER == ORDER_LITTLE_ENDIAN ) || \ + (defined(__BYTE_ORDER ) && defined(__ORDER_LITTLE_ENDIAN ) && __BYTE_ORDER == __ORDER_LITTLE_ENDIAN ) || \ + (defined(__BYTE_ORDER__) && defined(__ORDER_LITTLE_ENDIAN__) && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__)) + return __builtin_bswap32(a); +#elif (defined( BYTE_ORDER ) && defined( ORDER_BIG_ENDIAN ) && BYTE_ORDER == ORDER_BIG_ENDIAN ) || \ + (defined(__BYTE_ORDER ) && defined(__ORDER_BIG_ENDIAN ) && __BYTE_ORDER == __ORDER_BIG_ENDIAN ) || \ + (defined(__BYTE_ORDER__) && defined(__ORDER_BIG_ENDIAN__) && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__) + return a; +#else + return (((uint8_t*)&a)[0] << 24) | + (((uint8_t*)&a)[1] << 16) | + (((uint8_t*)&a)[2] << 8) | + (((uint8_t*)&a)[3] << 0); +#endif +} + +static inline uint32_t lfs_tobe32(uint32_t a) { + return lfs_frombe32(a); +} + +// Calculate CRC-32 with polynomial = 0x04c11db7 +#ifdef LFS_CRC +uint32_t lfs_crc(uint32_t crc, const void *buffer, size_t size) { + return LFS_CRC(crc, buffer, size) +} +#else +uint32_t lfs_crc(uint32_t crc, const void *buffer, size_t size); +#endif + +// Allocate memory, only used if buffers are not provided to littlefs +// +// littlefs current has no alignment requirements, as it only allocates +// byte-level buffers. +static inline void *lfs_malloc(size_t size) { +#if defined(LFS_MALLOC) + return LFS_MALLOC(size); +#elif !defined(LFS_NO_MALLOC) + return malloc(size); +#else + (void)size; + return NULL; +#endif +} + +// Deallocate memory, only used if buffers are not provided to littlefs +static inline void lfs_free(void *p) { +#if defined(LFS_FREE) + LFS_FREE(p); +#elif !defined(LFS_NO_MALLOC) + free(p); +#else + (void)p; +#endif +} + + +#ifdef __cplusplus +} /* extern "C" */ +#endif + +#endif +#endif diff --git a/Ganesha_II_V2/Core/Src/littlefs/lfs.c b/Ganesha_II_V2/Core/Src/littlefs/lfs.c new file mode 100644 index 0000000..28a632b --- /dev/null +++ b/Ganesha_II_V2/Core/Src/littlefs/lfs.c @@ -0,0 +1,6518 @@ +/* + * The little filesystem + * + * Copyright (c) 2022, The littlefs authors. + * Copyright (c) 2017, Arm Limited. All rights reserved. + * SPDX-License-Identifier: BSD-3-Clause + */ +#include "lfs.h" +#include "lfs_util.h" + + +// some constants used throughout the code +#define LFS_BLOCK_NULL ((lfs_block_t)-1) +#define LFS_BLOCK_INLINE ((lfs_block_t)-2) + +enum { + LFS_OK_RELOCATED = 1, + LFS_OK_DROPPED = 2, + LFS_OK_ORPHANED = 3, +}; + +enum { + LFS_CMP_EQ = 0, + LFS_CMP_LT = 1, + LFS_CMP_GT = 2, +}; + + +/// Caching block device operations /// + +static inline void lfs_cache_drop(lfs_t *lfs, lfs_cache_t *rcache) { + // do not zero, cheaper if cache is readonly or only going to be + // written with identical data (during relocates) + (void)lfs; + rcache->block = LFS_BLOCK_NULL; +} + +static inline void lfs_cache_zero(lfs_t *lfs, lfs_cache_t *pcache) { + // zero to avoid information leak + memset(pcache->buffer, 0xff, lfs->cfg->cache_size); + pcache->block = LFS_BLOCK_NULL; +} + +static int lfs_bd_read(lfs_t *lfs, + const lfs_cache_t *pcache, lfs_cache_t *rcache, lfs_size_t hint, + lfs_block_t block, lfs_off_t off, + void *buffer, lfs_size_t size) { + uint8_t *data = buffer; + if (off+size > lfs->cfg->block_size + || (lfs->block_count && block >= lfs->block_count)) { + return LFS_ERR_CORRUPT; + } + + while (size > 0) { + lfs_size_t diff = size; + + if (pcache && block == pcache->block && + off < pcache->off + pcache->size) { + if (off >= pcache->off) { + // is already in pcache? + diff = lfs_min(diff, pcache->size - (off-pcache->off)); + memcpy(data, &pcache->buffer[off-pcache->off], diff); + + data += diff; + off += diff; + size -= diff; + continue; + } + + // pcache takes priority + diff = lfs_min(diff, pcache->off-off); + } + + if (block == rcache->block && + off < rcache->off + rcache->size) { + if (off >= rcache->off) { + // is already in rcache? + diff = lfs_min(diff, rcache->size - (off-rcache->off)); + memcpy(data, &rcache->buffer[off-rcache->off], diff); + + data += diff; + off += diff; + size -= diff; + continue; + } + + // rcache takes priority + diff = lfs_min(diff, rcache->off-off); + } + + if (size >= hint && off % lfs->cfg->read_size == 0 && + size >= lfs->cfg->read_size) { + // bypass cache? + diff = lfs_aligndown(diff, lfs->cfg->read_size); + int err = lfs->cfg->read(lfs->cfg, block, off, data, diff); + if (err) { + return err; + } + + data += diff; + off += diff; + size -= diff; + continue; + } + + // load to cache, first condition can no longer fail + LFS_ASSERT(!lfs->block_count || block < lfs->block_count); + rcache->block = block; + rcache->off = lfs_aligndown(off, lfs->cfg->read_size); + rcache->size = lfs_min( + lfs_min( + lfs_alignup(off+hint, lfs->cfg->read_size), + lfs->cfg->block_size) + - rcache->off, + lfs->cfg->cache_size); + int err = lfs->cfg->read(lfs->cfg, rcache->block, + rcache->off, rcache->buffer, rcache->size); + LFS_ASSERT(err <= 0); + if (err) { + return err; + } + } + + return 0; +} + +static int lfs_bd_cmp(lfs_t *lfs, + const lfs_cache_t *pcache, lfs_cache_t *rcache, lfs_size_t hint, + lfs_block_t block, lfs_off_t off, + const void *buffer, lfs_size_t size) { + const uint8_t *data = buffer; + lfs_size_t diff = 0; + + for (lfs_off_t i = 0; i < size; i += diff) { + uint8_t dat[8]; + + diff = lfs_min(size-i, sizeof(dat)); + int err = lfs_bd_read(lfs, + pcache, rcache, hint-i, + block, off+i, &dat, diff); + if (err) { + return err; + } + + int res = memcmp(dat, data + i, diff); + if (res) { + return res < 0 ? LFS_CMP_LT : LFS_CMP_GT; + } + } + + return LFS_CMP_EQ; +} + +static int lfs_bd_crc(lfs_t *lfs, + const lfs_cache_t *pcache, lfs_cache_t *rcache, lfs_size_t hint, + lfs_block_t block, lfs_off_t off, lfs_size_t size, uint32_t *crc) { + lfs_size_t diff = 0; + + for (lfs_off_t i = 0; i < size; i += diff) { + uint8_t dat[8]; + diff = lfs_min(size-i, sizeof(dat)); + int err = lfs_bd_read(lfs, + pcache, rcache, hint-i, + block, off+i, &dat, diff); + if (err) { + return err; + } + + *crc = lfs_crc(*crc, &dat, diff); + } + + return 0; +} + +#ifndef LFS_READONLY +static int lfs_bd_flush(lfs_t *lfs, + lfs_cache_t *pcache, lfs_cache_t *rcache, bool validate) { + if (pcache->block != LFS_BLOCK_NULL && pcache->block != LFS_BLOCK_INLINE) { + LFS_ASSERT(pcache->block < lfs->block_count); + lfs_size_t diff = lfs_alignup(pcache->size, lfs->cfg->prog_size); + int err = lfs->cfg->prog(lfs->cfg, pcache->block, + pcache->off, pcache->buffer, diff); + LFS_ASSERT(err <= 0); + if (err) { + return err; + } + + if (validate) { + // check data on disk + lfs_cache_drop(lfs, rcache); + int res = lfs_bd_cmp(lfs, + NULL, rcache, diff, + pcache->block, pcache->off, pcache->buffer, diff); + if (res < 0) { + return res; + } + + if (res != LFS_CMP_EQ) { + return LFS_ERR_CORRUPT; + } + } + + lfs_cache_zero(lfs, pcache); + } + + return 0; +} +#endif + +#ifndef LFS_READONLY +static int lfs_bd_sync(lfs_t *lfs, + lfs_cache_t *pcache, lfs_cache_t *rcache, bool validate) { + lfs_cache_drop(lfs, rcache); + + int err = lfs_bd_flush(lfs, pcache, rcache, validate); + if (err) { + return err; + } + + err = lfs->cfg->sync(lfs->cfg); + LFS_ASSERT(err <= 0); + return err; +} +#endif + +#ifndef LFS_READONLY +static int lfs_bd_prog(lfs_t *lfs, + lfs_cache_t *pcache, lfs_cache_t *rcache, bool validate, + lfs_block_t block, lfs_off_t off, + const void *buffer, lfs_size_t size) { + const uint8_t *data = buffer; + LFS_ASSERT(block == LFS_BLOCK_INLINE || block < lfs->block_count); + LFS_ASSERT(off + size <= lfs->cfg->block_size); + + while (size > 0) { + if (block == pcache->block && + off >= pcache->off && + off < pcache->off + lfs->cfg->cache_size) { + // already fits in pcache? + lfs_size_t diff = lfs_min(size, + lfs->cfg->cache_size - (off-pcache->off)); + memcpy(&pcache->buffer[off-pcache->off], data, diff); + + data += diff; + off += diff; + size -= diff; + + pcache->size = lfs_max(pcache->size, off - pcache->off); + if (pcache->size == lfs->cfg->cache_size) { + // eagerly flush out pcache if we fill up + int err = lfs_bd_flush(lfs, pcache, rcache, validate); + if (err) { + return err; + } + } + + continue; + } + + // pcache must have been flushed, either by programming and + // entire block or manually flushing the pcache + LFS_ASSERT(pcache->block == LFS_BLOCK_NULL); + + // prepare pcache, first condition can no longer fail + pcache->block = block; + pcache->off = lfs_aligndown(off, lfs->cfg->prog_size); + pcache->size = 0; + } + + return 0; +} +#endif + +#ifndef LFS_READONLY +static int lfs_bd_erase(lfs_t *lfs, lfs_block_t block) { + LFS_ASSERT(block < lfs->block_count); + int err = lfs->cfg->erase(lfs->cfg, block); + LFS_ASSERT(err <= 0); + return err; +} +#endif + + +/// Small type-level utilities /// + +// some operations on paths +static inline lfs_size_t lfs_path_namelen(const char *path) { + return strcspn(path, "/"); +} + +static inline bool lfs_path_islast(const char *path) { + lfs_size_t namelen = lfs_path_namelen(path); + return path[namelen + strspn(path + namelen, "/")] == '\0'; +} + +static inline bool lfs_path_isdir(const char *path) { + return path[lfs_path_namelen(path)] != '\0'; +} + +// operations on block pairs +static inline void lfs_pair_swap(lfs_block_t pair[2]) { + lfs_block_t t = pair[0]; + pair[0] = pair[1]; + pair[1] = t; +} + +static inline bool lfs_pair_isnull(const lfs_block_t pair[2]) { + return pair[0] == LFS_BLOCK_NULL || pair[1] == LFS_BLOCK_NULL; +} + +static inline int lfs_pair_cmp( + const lfs_block_t paira[2], + const lfs_block_t pairb[2]) { + return !(paira[0] == pairb[0] || paira[1] == pairb[1] || + paira[0] == pairb[1] || paira[1] == pairb[0]); +} + +static inline bool lfs_pair_issync( + const lfs_block_t paira[2], + const lfs_block_t pairb[2]) { + return (paira[0] == pairb[0] && paira[1] == pairb[1]) || + (paira[0] == pairb[1] && paira[1] == pairb[0]); +} + +static inline void lfs_pair_fromle32(lfs_block_t pair[2]) { + pair[0] = lfs_fromle32(pair[0]); + pair[1] = lfs_fromle32(pair[1]); +} + +#ifndef LFS_READONLY +static inline void lfs_pair_tole32(lfs_block_t pair[2]) { + pair[0] = lfs_tole32(pair[0]); + pair[1] = lfs_tole32(pair[1]); +} +#endif + +// operations on 32-bit entry tags +typedef uint32_t lfs_tag_t; +typedef int32_t lfs_stag_t; + +#define LFS_MKTAG(type, id, size) \ + (((lfs_tag_t)(type) << 20) | ((lfs_tag_t)(id) << 10) | (lfs_tag_t)(size)) + +#define LFS_MKTAG_IF(cond, type, id, size) \ + ((cond) ? LFS_MKTAG(type, id, size) : LFS_MKTAG(LFS_FROM_NOOP, 0, 0)) + +#define LFS_MKTAG_IF_ELSE(cond, type1, id1, size1, type2, id2, size2) \ + ((cond) ? LFS_MKTAG(type1, id1, size1) : LFS_MKTAG(type2, id2, size2)) + +static inline bool lfs_tag_isvalid(lfs_tag_t tag) { + return !(tag & 0x80000000); +} + +static inline bool lfs_tag_isdelete(lfs_tag_t tag) { + return ((int32_t)(tag << 22) >> 22) == -1; +} + +static inline uint16_t lfs_tag_type1(lfs_tag_t tag) { + return (tag & 0x70000000) >> 20; +} + +static inline uint16_t lfs_tag_type2(lfs_tag_t tag) { + return (tag & 0x78000000) >> 20; +} + +static inline uint16_t lfs_tag_type3(lfs_tag_t tag) { + return (tag & 0x7ff00000) >> 20; +} + +static inline uint8_t lfs_tag_chunk(lfs_tag_t tag) { + return (tag & 0x0ff00000) >> 20; +} + +static inline int8_t lfs_tag_splice(lfs_tag_t tag) { + return (int8_t)lfs_tag_chunk(tag); +} + +static inline uint16_t lfs_tag_id(lfs_tag_t tag) { + return (tag & 0x000ffc00) >> 10; +} + +static inline lfs_size_t lfs_tag_size(lfs_tag_t tag) { + return tag & 0x000003ff; +} + +static inline lfs_size_t lfs_tag_dsize(lfs_tag_t tag) { + return sizeof(tag) + lfs_tag_size(tag + lfs_tag_isdelete(tag)); +} + +// operations on attributes in attribute lists +struct lfs_mattr { + lfs_tag_t tag; + const void *buffer; +}; + +struct lfs_diskoff { + lfs_block_t block; + lfs_off_t off; +}; + +#define LFS_MKATTRS(...) \ + (struct lfs_mattr[]){__VA_ARGS__}, \ + sizeof((struct lfs_mattr[]){__VA_ARGS__}) / sizeof(struct lfs_mattr) + +// operations on global state +static inline void lfs_gstate_xor(lfs_gstate_t *a, const lfs_gstate_t *b) { + a->tag ^= b->tag; + a->pair[0] ^= b->pair[0]; + a->pair[1] ^= b->pair[1]; +} + +static inline bool lfs_gstate_iszero(const lfs_gstate_t *a) { + return a->tag == 0 + && a->pair[0] == 0 + && a->pair[1] == 0; +} + +#ifndef LFS_READONLY +static inline bool lfs_gstate_hasorphans(const lfs_gstate_t *a) { + return lfs_tag_size(a->tag); +} + +static inline uint8_t lfs_gstate_getorphans(const lfs_gstate_t *a) { + return lfs_tag_size(a->tag) & 0x1ff; +} + +static inline bool lfs_gstate_hasmove(const lfs_gstate_t *a) { + return lfs_tag_type1(a->tag); +} +#endif + +static inline bool lfs_gstate_needssuperblock(const lfs_gstate_t *a) { + return lfs_tag_size(a->tag) >> 9; +} + +static inline bool lfs_gstate_hasmovehere(const lfs_gstate_t *a, + const lfs_block_t *pair) { + return lfs_tag_type1(a->tag) && lfs_pair_cmp(a->pair, pair) == 0; +} + +static inline void lfs_gstate_fromle32(lfs_gstate_t *a) { + a->tag = lfs_fromle32(a->tag); + a->pair[0] = lfs_fromle32(a->pair[0]); + a->pair[1] = lfs_fromle32(a->pair[1]); +} + +#ifndef LFS_READONLY +static inline void lfs_gstate_tole32(lfs_gstate_t *a) { + a->tag = lfs_tole32(a->tag); + a->pair[0] = lfs_tole32(a->pair[0]); + a->pair[1] = lfs_tole32(a->pair[1]); +} +#endif + +// operations on forward-CRCs used to track erased state +struct lfs_fcrc { + lfs_size_t size; + uint32_t crc; +}; + +static void lfs_fcrc_fromle32(struct lfs_fcrc *fcrc) { + fcrc->size = lfs_fromle32(fcrc->size); + fcrc->crc = lfs_fromle32(fcrc->crc); +} + +#ifndef LFS_READONLY +static void lfs_fcrc_tole32(struct lfs_fcrc *fcrc) { + fcrc->size = lfs_tole32(fcrc->size); + fcrc->crc = lfs_tole32(fcrc->crc); +} +#endif + +// other endianness operations +static void lfs_ctz_fromle32(struct lfs_ctz *ctz) { + ctz->head = lfs_fromle32(ctz->head); + ctz->size = lfs_fromle32(ctz->size); +} + +#ifndef LFS_READONLY +static void lfs_ctz_tole32(struct lfs_ctz *ctz) { + ctz->head = lfs_tole32(ctz->head); + ctz->size = lfs_tole32(ctz->size); +} +#endif + +static inline void lfs_superblock_fromle32(lfs_superblock_t *superblock) { + superblock->version = lfs_fromle32(superblock->version); + superblock->block_size = lfs_fromle32(superblock->block_size); + superblock->block_count = lfs_fromle32(superblock->block_count); + superblock->name_max = lfs_fromle32(superblock->name_max); + superblock->file_max = lfs_fromle32(superblock->file_max); + superblock->attr_max = lfs_fromle32(superblock->attr_max); +} + +#ifndef LFS_READONLY +static inline void lfs_superblock_tole32(lfs_superblock_t *superblock) { + superblock->version = lfs_tole32(superblock->version); + superblock->block_size = lfs_tole32(superblock->block_size); + superblock->block_count = lfs_tole32(superblock->block_count); + superblock->name_max = lfs_tole32(superblock->name_max); + superblock->file_max = lfs_tole32(superblock->file_max); + superblock->attr_max = lfs_tole32(superblock->attr_max); +} +#endif + +#ifndef LFS_NO_ASSERT +static bool lfs_mlist_isopen(struct lfs_mlist *head, + struct lfs_mlist *node) { + for (struct lfs_mlist **p = &head; *p; p = &(*p)->next) { + if (*p == (struct lfs_mlist*)node) { + return true; + } + } + + return false; +} +#endif + +static void lfs_mlist_remove(lfs_t *lfs, struct lfs_mlist *mlist) { + for (struct lfs_mlist **p = &lfs->mlist; *p; p = &(*p)->next) { + if (*p == mlist) { + *p = (*p)->next; + break; + } + } +} + +static void lfs_mlist_append(lfs_t *lfs, struct lfs_mlist *mlist) { + mlist->next = lfs->mlist; + lfs->mlist = mlist; +} + +// some other filesystem operations +static uint32_t lfs_fs_disk_version(lfs_t *lfs) { + (void)lfs; +#ifdef LFS_MULTIVERSION + if (lfs->cfg->disk_version) { + return lfs->cfg->disk_version; + } else +#endif + { + return LFS_DISK_VERSION; + } +} + +static uint16_t lfs_fs_disk_version_major(lfs_t *lfs) { + return 0xffff & (lfs_fs_disk_version(lfs) >> 16); + +} + +static uint16_t lfs_fs_disk_version_minor(lfs_t *lfs) { + return 0xffff & (lfs_fs_disk_version(lfs) >> 0); +} + + +/// Internal operations predeclared here /// +#ifndef LFS_READONLY +static int lfs_dir_commit(lfs_t *lfs, lfs_mdir_t *dir, + const struct lfs_mattr *attrs, int attrcount); +static int lfs_dir_compact(lfs_t *lfs, + lfs_mdir_t *dir, const struct lfs_mattr *attrs, int attrcount, + lfs_mdir_t *source, uint16_t begin, uint16_t end); +static lfs_ssize_t lfs_file_flushedwrite(lfs_t *lfs, lfs_file_t *file, + const void *buffer, lfs_size_t size); +static lfs_ssize_t lfs_file_write_(lfs_t *lfs, lfs_file_t *file, + const void *buffer, lfs_size_t size); +static int lfs_file_sync_(lfs_t *lfs, lfs_file_t *file); +static int lfs_file_outline(lfs_t *lfs, lfs_file_t *file); +static int lfs_file_flush(lfs_t *lfs, lfs_file_t *file); + +static int lfs_fs_deorphan(lfs_t *lfs, bool powerloss); +static int lfs_fs_preporphans(lfs_t *lfs, int8_t orphans); +static void lfs_fs_prepmove(lfs_t *lfs, + uint16_t id, const lfs_block_t pair[2]); +static int lfs_fs_pred(lfs_t *lfs, const lfs_block_t dir[2], + lfs_mdir_t *pdir); +static lfs_stag_t lfs_fs_parent(lfs_t *lfs, const lfs_block_t dir[2], + lfs_mdir_t *parent); +static int lfs_fs_forceconsistency(lfs_t *lfs); +#endif + +static void lfs_fs_prepsuperblock(lfs_t *lfs, bool needssuperblock); + +#ifdef LFS_MIGRATE +static int lfs1_traverse(lfs_t *lfs, + int (*cb)(void*, lfs_block_t), void *data); +#endif + +static int lfs_dir_rewind_(lfs_t *lfs, lfs_dir_t *dir); + +static lfs_ssize_t lfs_file_flushedread(lfs_t *lfs, lfs_file_t *file, + void *buffer, lfs_size_t size); +static lfs_ssize_t lfs_file_read_(lfs_t *lfs, lfs_file_t *file, + void *buffer, lfs_size_t size); +static int lfs_file_close_(lfs_t *lfs, lfs_file_t *file); +static lfs_soff_t lfs_file_size_(lfs_t *lfs, lfs_file_t *file); + +static lfs_ssize_t lfs_fs_size_(lfs_t *lfs); +static int lfs_fs_traverse_(lfs_t *lfs, + int (*cb)(void *data, lfs_block_t block), void *data, + bool includeorphans); + +static int lfs_deinit(lfs_t *lfs); +static int lfs_unmount_(lfs_t *lfs); + + +/// Block allocator /// + +// allocations should call this when all allocated blocks are committed to +// the filesystem +// +// after a checkpoint, the block allocator may realloc any untracked blocks +static void lfs_alloc_ckpoint(lfs_t *lfs) { + lfs->lookahead.ckpoint = lfs->block_count; +} + +// drop the lookahead buffer, this is done during mounting and failed +// traversals in order to avoid invalid lookahead state +static void lfs_alloc_drop(lfs_t *lfs) { + lfs->lookahead.size = 0; + lfs->lookahead.next = 0; + lfs_alloc_ckpoint(lfs); +} + +#ifndef LFS_READONLY +static int lfs_alloc_lookahead(void *p, lfs_block_t block) { + lfs_t *lfs = (lfs_t*)p; + lfs_block_t off = ((block - lfs->lookahead.start) + + lfs->block_count) % lfs->block_count; + + if (off < lfs->lookahead.size) { + lfs->lookahead.buffer[off / 8] |= 1U << (off % 8); + } + + return 0; +} +#endif + +#ifndef LFS_READONLY +static int lfs_alloc_scan(lfs_t *lfs) { + // move lookahead buffer to the first unused block + // + // note we limit the lookahead buffer to at most the amount of blocks + // checkpointed, this prevents the math in lfs_alloc from underflowing + lfs->lookahead.start = (lfs->lookahead.start + lfs->lookahead.next) + % lfs->block_count; + lfs->lookahead.next = 0; + lfs->lookahead.size = lfs_min( + 8*lfs->cfg->lookahead_size, + lfs->lookahead.ckpoint); + + // find mask of free blocks from tree + memset(lfs->lookahead.buffer, 0, lfs->cfg->lookahead_size); + int err = lfs_fs_traverse_(lfs, lfs_alloc_lookahead, lfs, true); + if (err) { + lfs_alloc_drop(lfs); + return err; + } + + return 0; +} +#endif + +#ifndef LFS_READONLY +static int lfs_alloc(lfs_t *lfs, lfs_block_t *block) { + while (true) { + // scan our lookahead buffer for free blocks + while (lfs->lookahead.next < lfs->lookahead.size) { + if (!(lfs->lookahead.buffer[lfs->lookahead.next / 8] + & (1U << (lfs->lookahead.next % 8)))) { + // found a free block + *block = (lfs->lookahead.start + lfs->lookahead.next) + % lfs->block_count; + + // eagerly find next free block to maximize how many blocks + // lfs_alloc_ckpoint makes available for scanning + while (true) { + lfs->lookahead.next += 1; + lfs->lookahead.ckpoint -= 1; + + if (lfs->lookahead.next >= lfs->lookahead.size + || !(lfs->lookahead.buffer[lfs->lookahead.next / 8] + & (1U << (lfs->lookahead.next % 8)))) { + return 0; + } + } + } + + lfs->lookahead.next += 1; + lfs->lookahead.ckpoint -= 1; + } + + // In order to keep our block allocator from spinning forever when our + // filesystem is full, we mark points where there are no in-flight + // allocations with a checkpoint before starting a set of allocations. + // + // If we've looked at all blocks since the last checkpoint, we report + // the filesystem as out of storage. + // + if (lfs->lookahead.ckpoint <= 0) { + LFS_ERROR("No more free space 0x%"PRIx32, + (lfs->lookahead.start + lfs->lookahead.next) + % lfs->block_count); + return LFS_ERR_NOSPC; + } + + // No blocks in our lookahead buffer, we need to scan the filesystem for + // unused blocks in the next lookahead window. + int err = lfs_alloc_scan(lfs); + if(err) { + return err; + } + } +} +#endif + +/// Metadata pair and directory operations /// +static lfs_stag_t lfs_dir_getslice(lfs_t *lfs, const lfs_mdir_t *dir, + lfs_tag_t gmask, lfs_tag_t gtag, + lfs_off_t goff, void *gbuffer, lfs_size_t gsize) { + lfs_off_t off = dir->off; + lfs_tag_t ntag = dir->etag; + lfs_stag_t gdiff = 0; + + // synthetic moves + if (lfs_gstate_hasmovehere(&lfs->gdisk, dir->pair) && + lfs_tag_id(gmask) != 0) { + if (lfs_tag_id(lfs->gdisk.tag) == lfs_tag_id(gtag)) { + return LFS_ERR_NOENT; + } else if (lfs_tag_id(lfs->gdisk.tag) < lfs_tag_id(gtag)) { + gdiff -= LFS_MKTAG(0, 1, 0); + } + } + + // iterate over dir block backwards (for faster lookups) + while (off >= sizeof(lfs_tag_t) + lfs_tag_dsize(ntag)) { + off -= lfs_tag_dsize(ntag); + lfs_tag_t tag = ntag; + int err = lfs_bd_read(lfs, + NULL, &lfs->rcache, sizeof(ntag), + dir->pair[0], off, &ntag, sizeof(ntag)); + if (err) { + return err; + } + + ntag = (lfs_frombe32(ntag) ^ tag) & 0x7fffffff; + + if (lfs_tag_id(gmask) != 0 && + lfs_tag_type1(tag) == LFS_TYPE_SPLICE && + lfs_tag_id(tag) <= lfs_tag_id(gtag - gdiff)) { + if (tag == (LFS_MKTAG(LFS_TYPE_CREATE, 0, 0) | + (LFS_MKTAG(0, 0x3ff, 0) & (gtag - gdiff)))) { + // found where we were created + return LFS_ERR_NOENT; + } + + // move around splices + gdiff += LFS_MKTAG(0, lfs_tag_splice(tag), 0); + } + + if ((gmask & tag) == (gmask & (gtag - gdiff))) { + if (lfs_tag_isdelete(tag)) { + return LFS_ERR_NOENT; + } + + lfs_size_t diff = lfs_min(lfs_tag_size(tag), gsize); + err = lfs_bd_read(lfs, + NULL, &lfs->rcache, diff, + dir->pair[0], off+sizeof(tag)+goff, gbuffer, diff); + if (err) { + return err; + } + + memset((uint8_t*)gbuffer + diff, 0, gsize - diff); + + return tag + gdiff; + } + } + + return LFS_ERR_NOENT; +} + +static lfs_stag_t lfs_dir_get(lfs_t *lfs, const lfs_mdir_t *dir, + lfs_tag_t gmask, lfs_tag_t gtag, void *buffer) { + return lfs_dir_getslice(lfs, dir, + gmask, gtag, + 0, buffer, lfs_tag_size(gtag)); +} + +static int lfs_dir_getread(lfs_t *lfs, const lfs_mdir_t *dir, + const lfs_cache_t *pcache, lfs_cache_t *rcache, lfs_size_t hint, + lfs_tag_t gmask, lfs_tag_t gtag, + lfs_off_t off, void *buffer, lfs_size_t size) { + uint8_t *data = buffer; + if (off+size > lfs->cfg->block_size) { + return LFS_ERR_CORRUPT; + } + + while (size > 0) { + lfs_size_t diff = size; + + if (pcache && pcache->block == LFS_BLOCK_INLINE && + off < pcache->off + pcache->size) { + if (off >= pcache->off) { + // is already in pcache? + diff = lfs_min(diff, pcache->size - (off-pcache->off)); + memcpy(data, &pcache->buffer[off-pcache->off], diff); + + data += diff; + off += diff; + size -= diff; + continue; + } + + // pcache takes priority + diff = lfs_min(diff, pcache->off-off); + } + + if (rcache->block == LFS_BLOCK_INLINE && + off < rcache->off + rcache->size) { + if (off >= rcache->off) { + // is already in rcache? + diff = lfs_min(diff, rcache->size - (off-rcache->off)); + memcpy(data, &rcache->buffer[off-rcache->off], diff); + + data += diff; + off += diff; + size -= diff; + continue; + } + + // rcache takes priority + diff = lfs_min(diff, rcache->off-off); + } + + // load to cache, first condition can no longer fail + rcache->block = LFS_BLOCK_INLINE; + rcache->off = lfs_aligndown(off, lfs->cfg->read_size); + rcache->size = lfs_min(lfs_alignup(off+hint, lfs->cfg->read_size), + lfs->cfg->cache_size); + int err = lfs_dir_getslice(lfs, dir, gmask, gtag, + rcache->off, rcache->buffer, rcache->size); + if (err < 0) { + return err; + } + } + + return 0; +} + +#ifndef LFS_READONLY +static int lfs_dir_traverse_filter(void *p, + lfs_tag_t tag, const void *buffer) { + lfs_tag_t *filtertag = p; + (void)buffer; + + // which mask depends on unique bit in tag structure + uint32_t mask = (tag & LFS_MKTAG(0x100, 0, 0)) + ? LFS_MKTAG(0x7ff, 0x3ff, 0) + : LFS_MKTAG(0x700, 0x3ff, 0); + + // check for redundancy + if ((mask & tag) == (mask & *filtertag) || + lfs_tag_isdelete(*filtertag) || + (LFS_MKTAG(0x7ff, 0x3ff, 0) & tag) == ( + LFS_MKTAG(LFS_TYPE_DELETE, 0, 0) | + (LFS_MKTAG(0, 0x3ff, 0) & *filtertag))) { + *filtertag = LFS_MKTAG(LFS_FROM_NOOP, 0, 0); + return true; + } + + // check if we need to adjust for created/deleted tags + if (lfs_tag_type1(tag) == LFS_TYPE_SPLICE && + lfs_tag_id(tag) <= lfs_tag_id(*filtertag)) { + *filtertag += LFS_MKTAG(0, lfs_tag_splice(tag), 0); + } + + return false; +} +#endif + +#ifndef LFS_READONLY +// maximum recursive depth of lfs_dir_traverse, the deepest call: +// +// traverse with commit +// '-> traverse with move +// '-> traverse with filter +// +#define LFS_DIR_TRAVERSE_DEPTH 3 + +struct lfs_dir_traverse { + const lfs_mdir_t *dir; + lfs_off_t off; + lfs_tag_t ptag; + const struct lfs_mattr *attrs; + int attrcount; + + lfs_tag_t tmask; + lfs_tag_t ttag; + uint16_t begin; + uint16_t end; + int16_t diff; + + int (*cb)(void *data, lfs_tag_t tag, const void *buffer); + void *data; + + lfs_tag_t tag; + const void *buffer; + struct lfs_diskoff disk; +}; + +static int lfs_dir_traverse(lfs_t *lfs, + const lfs_mdir_t *dir, lfs_off_t off, lfs_tag_t ptag, + const struct lfs_mattr *attrs, int attrcount, + lfs_tag_t tmask, lfs_tag_t ttag, + uint16_t begin, uint16_t end, int16_t diff, + int (*cb)(void *data, lfs_tag_t tag, const void *buffer), void *data) { + // This function in inherently recursive, but bounded. To allow tool-based + // analysis without unnecessary code-cost we use an explicit stack + struct lfs_dir_traverse stack[LFS_DIR_TRAVERSE_DEPTH-1]; + unsigned sp = 0; + int res; + + // iterate over directory and attrs + lfs_tag_t tag; + const void *buffer; + struct lfs_diskoff disk = {0}; + while (true) { + { + if (off+lfs_tag_dsize(ptag) < dir->off) { + off += lfs_tag_dsize(ptag); + int err = lfs_bd_read(lfs, + NULL, &lfs->rcache, sizeof(tag), + dir->pair[0], off, &tag, sizeof(tag)); + if (err) { + return err; + } + + tag = (lfs_frombe32(tag) ^ ptag) | 0x80000000; + disk.block = dir->pair[0]; + disk.off = off+sizeof(lfs_tag_t); + buffer = &disk; + ptag = tag; + } else if (attrcount > 0) { + tag = attrs[0].tag; + buffer = attrs[0].buffer; + attrs += 1; + attrcount -= 1; + } else { + // finished traversal, pop from stack? + res = 0; + break; + } + + // do we need to filter? + lfs_tag_t mask = LFS_MKTAG(0x7ff, 0, 0); + if ((mask & tmask & tag) != (mask & tmask & ttag)) { + continue; + } + + if (lfs_tag_id(tmask) != 0) { + LFS_ASSERT(sp < LFS_DIR_TRAVERSE_DEPTH); + // recurse, scan for duplicates, and update tag based on + // creates/deletes + stack[sp] = (struct lfs_dir_traverse){ + .dir = dir, + .off = off, + .ptag = ptag, + .attrs = attrs, + .attrcount = attrcount, + .tmask = tmask, + .ttag = ttag, + .begin = begin, + .end = end, + .diff = diff, + .cb = cb, + .data = data, + .tag = tag, + .buffer = buffer, + .disk = disk, + }; + sp += 1; + + tmask = 0; + ttag = 0; + begin = 0; + end = 0; + diff = 0; + cb = lfs_dir_traverse_filter; + data = &stack[sp-1].tag; + continue; + } + } + +popped: + // in filter range? + if (lfs_tag_id(tmask) != 0 && + !(lfs_tag_id(tag) >= begin && lfs_tag_id(tag) < end)) { + continue; + } + + // handle special cases for mcu-side operations + if (lfs_tag_type3(tag) == LFS_FROM_NOOP) { + // do nothing + } else if (lfs_tag_type3(tag) == LFS_FROM_MOVE) { + // Without this condition, lfs_dir_traverse can exhibit an + // extremely expensive O(n^3) of nested loops when renaming. + // This happens because lfs_dir_traverse tries to filter tags by + // the tags in the source directory, triggering a second + // lfs_dir_traverse with its own filter operation. + // + // traverse with commit + // '-> traverse with filter + // '-> traverse with move + // '-> traverse with filter + // + // However we don't actually care about filtering the second set of + // tags, since duplicate tags have no effect when filtering. + // + // This check skips this unnecessary recursive filtering explicitly, + // reducing this runtime from O(n^3) to O(n^2). + if (cb == lfs_dir_traverse_filter) { + continue; + } + + // recurse into move + stack[sp] = (struct lfs_dir_traverse){ + .dir = dir, + .off = off, + .ptag = ptag, + .attrs = attrs, + .attrcount = attrcount, + .tmask = tmask, + .ttag = ttag, + .begin = begin, + .end = end, + .diff = diff, + .cb = cb, + .data = data, + .tag = LFS_MKTAG(LFS_FROM_NOOP, 0, 0), + }; + sp += 1; + + uint16_t fromid = lfs_tag_size(tag); + uint16_t toid = lfs_tag_id(tag); + dir = buffer; + off = 0; + ptag = 0xffffffff; + attrs = NULL; + attrcount = 0; + tmask = LFS_MKTAG(0x600, 0x3ff, 0); + ttag = LFS_MKTAG(LFS_TYPE_STRUCT, 0, 0); + begin = fromid; + end = fromid+1; + diff = toid-fromid+diff; + } else if (lfs_tag_type3(tag) == LFS_FROM_USERATTRS) { + for (unsigned i = 0; i < lfs_tag_size(tag); i++) { + const struct lfs_attr *a = buffer; + res = cb(data, LFS_MKTAG(LFS_TYPE_USERATTR + a[i].type, + lfs_tag_id(tag) + diff, a[i].size), a[i].buffer); + if (res < 0) { + return res; + } + + if (res) { + break; + } + } + } else { + res = cb(data, tag + LFS_MKTAG(0, diff, 0), buffer); + if (res < 0) { + return res; + } + + if (res) { + break; + } + } + } + + if (sp > 0) { + // pop from the stack and return, fortunately all pops share + // a destination + dir = stack[sp-1].dir; + off = stack[sp-1].off; + ptag = stack[sp-1].ptag; + attrs = stack[sp-1].attrs; + attrcount = stack[sp-1].attrcount; + tmask = stack[sp-1].tmask; + ttag = stack[sp-1].ttag; + begin = stack[sp-1].begin; + end = stack[sp-1].end; + diff = stack[sp-1].diff; + cb = stack[sp-1].cb; + data = stack[sp-1].data; + tag = stack[sp-1].tag; + buffer = stack[sp-1].buffer; + disk = stack[sp-1].disk; + sp -= 1; + goto popped; + } else { + return res; + } +} +#endif + +static lfs_stag_t lfs_dir_fetchmatch(lfs_t *lfs, + lfs_mdir_t *dir, const lfs_block_t pair[2], + lfs_tag_t fmask, lfs_tag_t ftag, uint16_t *id, + int (*cb)(void *data, lfs_tag_t tag, const void *buffer), void *data) { + // we can find tag very efficiently during a fetch, since we're already + // scanning the entire directory + lfs_stag_t besttag = -1; + + // if either block address is invalid we return LFS_ERR_CORRUPT here, + // otherwise later writes to the pair could fail + if (lfs->block_count + && (pair[0] >= lfs->block_count || pair[1] >= lfs->block_count)) { + return LFS_ERR_CORRUPT; + } + + // find the block with the most recent revision + uint32_t revs[2] = {0, 0}; + int r = 0; + for (int i = 0; i < 2; i++) { + int err = lfs_bd_read(lfs, + NULL, &lfs->rcache, sizeof(revs[i]), + pair[i], 0, &revs[i], sizeof(revs[i])); + revs[i] = lfs_fromle32(revs[i]); + if (err && err != LFS_ERR_CORRUPT) { + return err; + } + + if (err != LFS_ERR_CORRUPT && + lfs_scmp(revs[i], revs[(i+1)%2]) > 0) { + r = i; + } + } + + dir->pair[0] = pair[(r+0)%2]; + dir->pair[1] = pair[(r+1)%2]; + dir->rev = revs[(r+0)%2]; + dir->off = 0; // nonzero = found some commits + + // now scan tags to fetch the actual dir and find possible match + for (int i = 0; i < 2; i++) { + lfs_off_t off = 0; + lfs_tag_t ptag = 0xffffffff; + + uint16_t tempcount = 0; + lfs_block_t temptail[2] = {LFS_BLOCK_NULL, LFS_BLOCK_NULL}; + bool tempsplit = false; + lfs_stag_t tempbesttag = besttag; + + // assume not erased until proven otherwise + bool maybeerased = false; + bool hasfcrc = false; + struct lfs_fcrc fcrc; + + dir->rev = lfs_tole32(dir->rev); + uint32_t crc = lfs_crc(0xffffffff, &dir->rev, sizeof(dir->rev)); + dir->rev = lfs_fromle32(dir->rev); + + while (true) { + // extract next tag + lfs_tag_t tag; + off += lfs_tag_dsize(ptag); + int err = lfs_bd_read(lfs, + NULL, &lfs->rcache, lfs->cfg->block_size, + dir->pair[0], off, &tag, sizeof(tag)); + if (err) { + if (err == LFS_ERR_CORRUPT) { + // can't continue? + break; + } + return err; + } + + crc = lfs_crc(crc, &tag, sizeof(tag)); + tag = lfs_frombe32(tag) ^ ptag; + + // next commit not yet programmed? + if (!lfs_tag_isvalid(tag)) { + // we only might be erased if the last tag was a crc + maybeerased = (lfs_tag_type2(ptag) == LFS_TYPE_CCRC); + break; + // out of range? + } else if (off + lfs_tag_dsize(tag) > lfs->cfg->block_size) { + break; + } + + ptag = tag; + + if (lfs_tag_type2(tag) == LFS_TYPE_CCRC) { + // check the crc attr + uint32_t dcrc; + err = lfs_bd_read(lfs, + NULL, &lfs->rcache, lfs->cfg->block_size, + dir->pair[0], off+sizeof(tag), &dcrc, sizeof(dcrc)); + if (err) { + if (err == LFS_ERR_CORRUPT) { + break; + } + return err; + } + dcrc = lfs_fromle32(dcrc); + + if (crc != dcrc) { + break; + } + + // reset the next bit if we need to + ptag ^= (lfs_tag_t)(lfs_tag_chunk(tag) & 1U) << 31; + + // toss our crc into the filesystem seed for + // pseudorandom numbers, note we use another crc here + // as a collection function because it is sufficiently + // random and convenient + lfs->seed = lfs_crc(lfs->seed, &crc, sizeof(crc)); + + // update with what's found so far + besttag = tempbesttag; + dir->off = off + lfs_tag_dsize(tag); + dir->etag = ptag; + dir->count = tempcount; + dir->tail[0] = temptail[0]; + dir->tail[1] = temptail[1]; + dir->split = tempsplit; + + // reset crc, hasfcrc + crc = 0xffffffff; + continue; + } + + // crc the entry first, hopefully leaving it in the cache + err = lfs_bd_crc(lfs, + NULL, &lfs->rcache, lfs->cfg->block_size, + dir->pair[0], off+sizeof(tag), + lfs_tag_dsize(tag)-sizeof(tag), &crc); + if (err) { + if (err == LFS_ERR_CORRUPT) { + break; + } + return err; + } + + // directory modification tags? + if (lfs_tag_type1(tag) == LFS_TYPE_NAME) { + // increase count of files if necessary + if (lfs_tag_id(tag) >= tempcount) { + tempcount = lfs_tag_id(tag) + 1; + } + } else if (lfs_tag_type1(tag) == LFS_TYPE_SPLICE) { + tempcount += lfs_tag_splice(tag); + + if (tag == (LFS_MKTAG(LFS_TYPE_DELETE, 0, 0) | + (LFS_MKTAG(0, 0x3ff, 0) & tempbesttag))) { + tempbesttag |= 0x80000000; + } else if (tempbesttag != -1 && + lfs_tag_id(tag) <= lfs_tag_id(tempbesttag)) { + tempbesttag += LFS_MKTAG(0, lfs_tag_splice(tag), 0); + } + } else if (lfs_tag_type1(tag) == LFS_TYPE_TAIL) { + tempsplit = (lfs_tag_chunk(tag) & 1); + + err = lfs_bd_read(lfs, + NULL, &lfs->rcache, lfs->cfg->block_size, + dir->pair[0], off+sizeof(tag), &temptail, 8); + if (err) { + if (err == LFS_ERR_CORRUPT) { + break; + } + return err; + } + lfs_pair_fromle32(temptail); + } else if (lfs_tag_type3(tag) == LFS_TYPE_FCRC) { + err = lfs_bd_read(lfs, + NULL, &lfs->rcache, lfs->cfg->block_size, + dir->pair[0], off+sizeof(tag), + &fcrc, sizeof(fcrc)); + if (err) { + if (err == LFS_ERR_CORRUPT) { + break; + } + } + + lfs_fcrc_fromle32(&fcrc); + hasfcrc = true; + } + + // found a match for our fetcher? + if ((fmask & tag) == (fmask & ftag)) { + int res = cb(data, tag, &(struct lfs_diskoff){ + dir->pair[0], off+sizeof(tag)}); + if (res < 0) { + if (res == LFS_ERR_CORRUPT) { + break; + } + return res; + } + + if (res == LFS_CMP_EQ) { + // found a match + tempbesttag = tag; + } else if ((LFS_MKTAG(0x7ff, 0x3ff, 0) & tag) == + (LFS_MKTAG(0x7ff, 0x3ff, 0) & tempbesttag)) { + // found an identical tag, but contents didn't match + // this must mean that our besttag has been overwritten + tempbesttag = -1; + } else if (res == LFS_CMP_GT && + lfs_tag_id(tag) <= lfs_tag_id(tempbesttag)) { + // found a greater match, keep track to keep things sorted + tempbesttag = tag | 0x80000000; + } + } + } + + // found no valid commits? + if (dir->off == 0) { + // try the other block? + lfs_pair_swap(dir->pair); + dir->rev = revs[(r+1)%2]; + continue; + } + + // did we end on a valid commit? we may have an erased block + dir->erased = false; + if (maybeerased && dir->off % lfs->cfg->prog_size == 0) { + #ifdef LFS_MULTIVERSION + // note versions < lfs2.1 did not have fcrc tags, if + // we're < lfs2.1 treat missing fcrc as erased data + // + // we don't strictly need to do this, but otherwise writing + // to lfs2.0 disks becomes very inefficient + if (lfs_fs_disk_version(lfs) < 0x00020001) { + dir->erased = true; + + } else + #endif + if (hasfcrc) { + // check for an fcrc matching the next prog's erased state, if + // this failed most likely a previous prog was interrupted, we + // need a new erase + uint32_t fcrc_ = 0xffffffff; + int err = lfs_bd_crc(lfs, + NULL, &lfs->rcache, lfs->cfg->block_size, + dir->pair[0], dir->off, fcrc.size, &fcrc_); + if (err && err != LFS_ERR_CORRUPT) { + return err; + } + + // found beginning of erased part? + dir->erased = (fcrc_ == fcrc.crc); + } + } + + // synthetic move + if (lfs_gstate_hasmovehere(&lfs->gdisk, dir->pair)) { + if (lfs_tag_id(lfs->gdisk.tag) == lfs_tag_id(besttag)) { + besttag |= 0x80000000; + } else if (besttag != -1 && + lfs_tag_id(lfs->gdisk.tag) < lfs_tag_id(besttag)) { + besttag -= LFS_MKTAG(0, 1, 0); + } + } + + // found tag? or found best id? + if (id) { + *id = lfs_min(lfs_tag_id(besttag), dir->count); + } + + if (lfs_tag_isvalid(besttag)) { + return besttag; + } else if (lfs_tag_id(besttag) < dir->count) { + return LFS_ERR_NOENT; + } else { + return 0; + } + } + + LFS_ERROR("Corrupted dir pair at {0x%"PRIx32", 0x%"PRIx32"}", + dir->pair[0], dir->pair[1]); + return LFS_ERR_CORRUPT; +} + +static int lfs_dir_fetch(lfs_t *lfs, + lfs_mdir_t *dir, const lfs_block_t pair[2]) { + // note, mask=-1, tag=-1 can never match a tag since this + // pattern has the invalid bit set + return (int)lfs_dir_fetchmatch(lfs, dir, pair, + (lfs_tag_t)-1, (lfs_tag_t)-1, NULL, NULL, NULL); +} + +static int lfs_dir_getgstate(lfs_t *lfs, const lfs_mdir_t *dir, + lfs_gstate_t *gstate) { + lfs_gstate_t temp; + lfs_stag_t res = lfs_dir_get(lfs, dir, LFS_MKTAG(0x7ff, 0, 0), + LFS_MKTAG(LFS_TYPE_MOVESTATE, 0, sizeof(temp)), &temp); + if (res < 0 && res != LFS_ERR_NOENT) { + return res; + } + + if (res != LFS_ERR_NOENT) { + // xor together to find resulting gstate + lfs_gstate_fromle32(&temp); + lfs_gstate_xor(gstate, &temp); + } + + return 0; +} + +static int lfs_dir_getinfo(lfs_t *lfs, lfs_mdir_t *dir, + uint16_t id, struct lfs_info *info) { + if (id == 0x3ff) { + // special case for root + strcpy(info->name, "/"); + info->type = LFS_TYPE_DIR; + return 0; + } + + lfs_stag_t tag = lfs_dir_get(lfs, dir, LFS_MKTAG(0x780, 0x3ff, 0), + LFS_MKTAG(LFS_TYPE_NAME, id, lfs->name_max+1), info->name); + if (tag < 0) { + return (int)tag; + } + + info->type = lfs_tag_type3(tag); + + struct lfs_ctz ctz; + tag = lfs_dir_get(lfs, dir, LFS_MKTAG(0x700, 0x3ff, 0), + LFS_MKTAG(LFS_TYPE_STRUCT, id, sizeof(ctz)), &ctz); + if (tag < 0) { + return (int)tag; + } + lfs_ctz_fromle32(&ctz); + + if (lfs_tag_type3(tag) == LFS_TYPE_CTZSTRUCT) { + info->size = ctz.size; + } else if (lfs_tag_type3(tag) == LFS_TYPE_INLINESTRUCT) { + info->size = lfs_tag_size(tag); + } + + return 0; +} + +struct lfs_dir_find_match { + lfs_t *lfs; + const void *name; + lfs_size_t size; +}; + +static int lfs_dir_find_match(void *data, + lfs_tag_t tag, const void *buffer) { + struct lfs_dir_find_match *name = data; + lfs_t *lfs = name->lfs; + const struct lfs_diskoff *disk = buffer; + + // compare with disk + lfs_size_t diff = lfs_min(name->size, lfs_tag_size(tag)); + int res = lfs_bd_cmp(lfs, + NULL, &lfs->rcache, diff, + disk->block, disk->off, name->name, diff); + if (res != LFS_CMP_EQ) { + return res; + } + + // only equal if our size is still the same + if (name->size != lfs_tag_size(tag)) { + return (name->size < lfs_tag_size(tag)) ? LFS_CMP_LT : LFS_CMP_GT; + } + + // found a match! + return LFS_CMP_EQ; +} + +// lfs_dir_find tries to set path and id even if file is not found +// +// returns: +// - 0 if file is found +// - LFS_ERR_NOENT if file or parent is not found +// - LFS_ERR_NOTDIR if parent is not a dir +static lfs_stag_t lfs_dir_find(lfs_t *lfs, lfs_mdir_t *dir, + const char **path, uint16_t *id) { + // we reduce path to a single name if we can find it + const char *name = *path; + + // default to root dir + lfs_stag_t tag = LFS_MKTAG(LFS_TYPE_DIR, 0x3ff, 0); + dir->tail[0] = lfs->root[0]; + dir->tail[1] = lfs->root[1]; + + // empty paths are not allowed + if (*name == '\0') { + return LFS_ERR_INVAL; + } + + while (true) { +nextname: + // skip slashes if we're a directory + if (lfs_tag_type3(tag) == LFS_TYPE_DIR) { + name += strspn(name, "/"); + } + lfs_size_t namelen = strcspn(name, "/"); + + // skip '.' + if (namelen == 1 && memcmp(name, ".", 1) == 0) { + name += namelen; + goto nextname; + } + + // error on unmatched '..', trying to go above root? + if (namelen == 2 && memcmp(name, "..", 2) == 0) { + return LFS_ERR_INVAL; + } + + // skip if matched by '..' in name + const char *suffix = name + namelen; + lfs_size_t sufflen; + int depth = 1; + while (true) { + suffix += strspn(suffix, "/"); + sufflen = strcspn(suffix, "/"); + if (sufflen == 0) { + break; + } + + if (sufflen == 1 && memcmp(suffix, ".", 1) == 0) { + // noop + } else if (sufflen == 2 && memcmp(suffix, "..", 2) == 0) { + depth -= 1; + if (depth == 0) { + name = suffix + sufflen; + goto nextname; + } + } else { + depth += 1; + } + + suffix += sufflen; + } + + // found path + if (*name == '\0') { + return tag; + } + + // update what we've found so far + *path = name; + + // only continue if we're a directory + if (lfs_tag_type3(tag) != LFS_TYPE_DIR) { + return LFS_ERR_NOTDIR; + } + + // grab the entry data + if (lfs_tag_id(tag) != 0x3ff) { + lfs_stag_t res = lfs_dir_get(lfs, dir, LFS_MKTAG(0x700, 0x3ff, 0), + LFS_MKTAG(LFS_TYPE_STRUCT, lfs_tag_id(tag), 8), dir->tail); + if (res < 0) { + return res; + } + lfs_pair_fromle32(dir->tail); + } + + // find entry matching name + while (true) { + tag = lfs_dir_fetchmatch(lfs, dir, dir->tail, + LFS_MKTAG(0x780, 0, 0), + LFS_MKTAG(LFS_TYPE_NAME, 0, namelen), + id, + lfs_dir_find_match, &(struct lfs_dir_find_match){ + lfs, name, namelen}); + if (tag < 0) { + return tag; + } + + if (tag) { + break; + } + + if (!dir->split) { + return LFS_ERR_NOENT; + } + } + + // to next name + name += namelen; + } +} + +// commit logic +struct lfs_commit { + lfs_block_t block; + lfs_off_t off; + lfs_tag_t ptag; + uint32_t crc; + + lfs_off_t begin; + lfs_off_t end; +}; + +#ifndef LFS_READONLY +static int lfs_dir_commitprog(lfs_t *lfs, struct lfs_commit *commit, + const void *buffer, lfs_size_t size) { + int err = lfs_bd_prog(lfs, + &lfs->pcache, &lfs->rcache, false, + commit->block, commit->off , + (const uint8_t*)buffer, size); + if (err) { + return err; + } + + commit->crc = lfs_crc(commit->crc, buffer, size); + commit->off += size; + return 0; +} +#endif + +#ifndef LFS_READONLY +static int lfs_dir_commitattr(lfs_t *lfs, struct lfs_commit *commit, + lfs_tag_t tag, const void *buffer) { + // check if we fit + lfs_size_t dsize = lfs_tag_dsize(tag); + if (commit->off + dsize > commit->end) { + return LFS_ERR_NOSPC; + } + + // write out tag + lfs_tag_t ntag = lfs_tobe32((tag & 0x7fffffff) ^ commit->ptag); + int err = lfs_dir_commitprog(lfs, commit, &ntag, sizeof(ntag)); + if (err) { + return err; + } + + if (!(tag & 0x80000000)) { + // from memory + err = lfs_dir_commitprog(lfs, commit, buffer, dsize-sizeof(tag)); + if (err) { + return err; + } + } else { + // from disk + const struct lfs_diskoff *disk = buffer; + for (lfs_off_t i = 0; i < dsize-sizeof(tag); i++) { + // rely on caching to make this efficient + uint8_t dat; + err = lfs_bd_read(lfs, + NULL, &lfs->rcache, dsize-sizeof(tag)-i, + disk->block, disk->off+i, &dat, 1); + if (err) { + return err; + } + + err = lfs_dir_commitprog(lfs, commit, &dat, 1); + if (err) { + return err; + } + } + } + + commit->ptag = tag & 0x7fffffff; + return 0; +} +#endif + +#ifndef LFS_READONLY + +static int lfs_dir_commitcrc(lfs_t *lfs, struct lfs_commit *commit) { + // align to program units + // + // this gets a bit complex as we have two types of crcs: + // - 5-word crc with fcrc to check following prog (middle of block) + // - 2-word crc with no following prog (end of block) + const lfs_off_t end = lfs_alignup( + lfs_min(commit->off + 5*sizeof(uint32_t), lfs->cfg->block_size), + lfs->cfg->prog_size); + + lfs_off_t off1 = 0; + uint32_t crc1 = 0; + + // create crc tags to fill up remainder of commit, note that + // padding is not crced, which lets fetches skip padding but + // makes committing a bit more complicated + while (commit->off < end) { + lfs_off_t noff = ( + lfs_min(end - (commit->off+sizeof(lfs_tag_t)), 0x3fe) + + (commit->off+sizeof(lfs_tag_t))); + // too large for crc tag? need padding commits + if (noff < end) { + noff = lfs_min(noff, end - 5*sizeof(uint32_t)); + } + + // space for fcrc? + uint8_t eperturb = (uint8_t)-1; + if (noff >= end && noff <= lfs->cfg->block_size - lfs->cfg->prog_size) { + // first read the leading byte, this always contains a bit + // we can perturb to avoid writes that don't change the fcrc + int err = lfs_bd_read(lfs, + NULL, &lfs->rcache, lfs->cfg->prog_size, + commit->block, noff, &eperturb, 1); + if (err && err != LFS_ERR_CORRUPT) { + return err; + } + + #ifdef LFS_MULTIVERSION + // unfortunately fcrcs break mdir fetching < lfs2.1, so only write + // these if we're a >= lfs2.1 filesystem + if (lfs_fs_disk_version(lfs) <= 0x00020000) { + // don't write fcrc + } else + #endif + { + // find the expected fcrc, don't bother avoiding a reread + // of the eperturb, it should still be in our cache + struct lfs_fcrc fcrc = { + .size = lfs->cfg->prog_size, + .crc = 0xffffffff + }; + err = lfs_bd_crc(lfs, + NULL, &lfs->rcache, lfs->cfg->prog_size, + commit->block, noff, fcrc.size, &fcrc.crc); + if (err && err != LFS_ERR_CORRUPT) { + return err; + } + + lfs_fcrc_tole32(&fcrc); + err = lfs_dir_commitattr(lfs, commit, + LFS_MKTAG(LFS_TYPE_FCRC, 0x3ff, sizeof(struct lfs_fcrc)), + &fcrc); + if (err) { + return err; + } + } + } + + // build commit crc + struct { + lfs_tag_t tag; + uint32_t crc; + } ccrc; + lfs_tag_t ntag = LFS_MKTAG( + LFS_TYPE_CCRC + (((uint8_t)~eperturb) >> 7), 0x3ff, + noff - (commit->off+sizeof(lfs_tag_t))); + ccrc.tag = lfs_tobe32(ntag ^ commit->ptag); + commit->crc = lfs_crc(commit->crc, &ccrc.tag, sizeof(lfs_tag_t)); + ccrc.crc = lfs_tole32(commit->crc); + + int err = lfs_bd_prog(lfs, + &lfs->pcache, &lfs->rcache, false, + commit->block, commit->off, &ccrc, sizeof(ccrc)); + if (err) { + return err; + } + + // keep track of non-padding checksum to verify + if (off1 == 0) { + off1 = commit->off + sizeof(lfs_tag_t); + crc1 = commit->crc; + } + + commit->off = noff; + // perturb valid bit? + commit->ptag = ntag ^ ((0x80UL & ~eperturb) << 24); + // reset crc for next commit + commit->crc = 0xffffffff; + + // manually flush here since we don't prog the padding, this confuses + // the caching layer + if (noff >= end || noff >= lfs->pcache.off + lfs->cfg->cache_size) { + // flush buffers + int err = lfs_bd_sync(lfs, &lfs->pcache, &lfs->rcache, false); + if (err) { + return err; + } + } + } + + // successful commit, check checksums to make sure + // + // note that we don't need to check padding commits, worst + // case if they are corrupted we would have had to compact anyways + lfs_off_t off = commit->begin; + uint32_t crc = 0xffffffff; + int err = lfs_bd_crc(lfs, + NULL, &lfs->rcache, off1+sizeof(uint32_t), + commit->block, off, off1-off, &crc); + if (err) { + return err; + } + + // check non-padding commits against known crc + if (crc != crc1) { + return LFS_ERR_CORRUPT; + } + + // make sure to check crc in case we happen to pick + // up an unrelated crc (frozen block?) + err = lfs_bd_crc(lfs, + NULL, &lfs->rcache, sizeof(uint32_t), + commit->block, off1, sizeof(uint32_t), &crc); + if (err) { + return err; + } + + if (crc != 0) { + return LFS_ERR_CORRUPT; + } + + return 0; +} +#endif + +#ifndef LFS_READONLY +static int lfs_dir_alloc(lfs_t *lfs, lfs_mdir_t *dir) { + // allocate pair of dir blocks (backwards, so we write block 1 first) + for (int i = 0; i < 2; i++) { + int err = lfs_alloc(lfs, &dir->pair[(i+1)%2]); + if (err) { + return err; + } + } + + // zero for reproducibility in case initial block is unreadable + dir->rev = 0; + + // rather than clobbering one of the blocks we just pretend + // the revision may be valid + int err = lfs_bd_read(lfs, + NULL, &lfs->rcache, sizeof(dir->rev), + dir->pair[0], 0, &dir->rev, sizeof(dir->rev)); + dir->rev = lfs_fromle32(dir->rev); + if (err && err != LFS_ERR_CORRUPT) { + return err; + } + + // to make sure we don't immediately evict, align the new revision count + // to our block_cycles modulus, see lfs_dir_compact for why our modulus + // is tweaked this way + if (lfs->cfg->block_cycles > 0) { + dir->rev = lfs_alignup(dir->rev, ((lfs->cfg->block_cycles+1)|1)); + } + + // set defaults + dir->off = sizeof(dir->rev); + dir->etag = 0xffffffff; + dir->count = 0; + dir->tail[0] = LFS_BLOCK_NULL; + dir->tail[1] = LFS_BLOCK_NULL; + dir->erased = false; + dir->split = false; + + // don't write out yet, let caller take care of that + return 0; +} +#endif + +#ifndef LFS_READONLY +static int lfs_dir_drop(lfs_t *lfs, lfs_mdir_t *dir, lfs_mdir_t *tail) { + // steal state + int err = lfs_dir_getgstate(lfs, tail, &lfs->gdelta); + if (err) { + return err; + } + + // steal tail + lfs_pair_tole32(tail->tail); + err = lfs_dir_commit(lfs, dir, LFS_MKATTRS( + {LFS_MKTAG(LFS_TYPE_TAIL + tail->split, 0x3ff, 8), tail->tail})); + lfs_pair_fromle32(tail->tail); + if (err) { + return err; + } + + return 0; +} +#endif + +#ifndef LFS_READONLY +static int lfs_dir_split(lfs_t *lfs, + lfs_mdir_t *dir, const struct lfs_mattr *attrs, int attrcount, + lfs_mdir_t *source, uint16_t split, uint16_t end) { + // create tail metadata pair + lfs_mdir_t tail; + int err = lfs_dir_alloc(lfs, &tail); + if (err) { + return err; + } + + tail.split = dir->split; + tail.tail[0] = dir->tail[0]; + tail.tail[1] = dir->tail[1]; + + // note we don't care about LFS_OK_RELOCATED + int res = lfs_dir_compact(lfs, &tail, attrs, attrcount, source, split, end); + if (res < 0) { + return res; + } + + dir->tail[0] = tail.pair[0]; + dir->tail[1] = tail.pair[1]; + dir->split = true; + + // update root if needed + if (lfs_pair_cmp(dir->pair, lfs->root) == 0 && split == 0) { + lfs->root[0] = tail.pair[0]; + lfs->root[1] = tail.pair[1]; + } + + return 0; +} +#endif + +#ifndef LFS_READONLY +static int lfs_dir_commit_size(void *p, lfs_tag_t tag, const void *buffer) { + lfs_size_t *size = p; + (void)buffer; + + *size += lfs_tag_dsize(tag); + return 0; +} +#endif + +#ifndef LFS_READONLY +struct lfs_dir_commit_commit { + lfs_t *lfs; + struct lfs_commit *commit; +}; +#endif + +#ifndef LFS_READONLY +static int lfs_dir_commit_commit(void *p, lfs_tag_t tag, const void *buffer) { + struct lfs_dir_commit_commit *commit = p; + return lfs_dir_commitattr(commit->lfs, commit->commit, tag, buffer); +} +#endif + +#ifndef LFS_READONLY +static bool lfs_dir_needsrelocation(lfs_t *lfs, lfs_mdir_t *dir) { + // If our revision count == n * block_cycles, we should force a relocation, + // this is how littlefs wear-levels at the metadata-pair level. Note that we + // actually use (block_cycles+1)|1, this is to avoid two corner cases: + // 1. block_cycles = 1, which would prevent relocations from terminating + // 2. block_cycles = 2n, which, due to aliasing, would only ever relocate + // one metadata block in the pair, effectively making this useless + return (lfs->cfg->block_cycles > 0 + && ((dir->rev + 1) % ((lfs->cfg->block_cycles+1)|1) == 0)); +} +#endif + +#ifndef LFS_READONLY +static int lfs_dir_compact(lfs_t *lfs, + lfs_mdir_t *dir, const struct lfs_mattr *attrs, int attrcount, + lfs_mdir_t *source, uint16_t begin, uint16_t end) { + // save some state in case block is bad + bool relocated = false; + bool tired = lfs_dir_needsrelocation(lfs, dir); + + // increment revision count + dir->rev += 1; + + // do not proactively relocate blocks during migrations, this + // can cause a number of failure states such: clobbering the + // v1 superblock if we relocate root, and invalidating directory + // pointers if we relocate the head of a directory. On top of + // this, relocations increase the overall complexity of + // lfs_migration, which is already a delicate operation. +#ifdef LFS_MIGRATE + if (lfs->lfs1) { + tired = false; + } +#endif + + if (tired && lfs_pair_cmp(dir->pair, (const lfs_block_t[2]){0, 1}) != 0) { + // we're writing too much, time to relocate + goto relocate; + } + + // begin loop to commit compaction to blocks until a compact sticks + while (true) { + { + // setup commit state + struct lfs_commit commit = { + .block = dir->pair[1], + .off = 0, + .ptag = 0xffffffff, + .crc = 0xffffffff, + + .begin = 0, + .end = (lfs->cfg->metadata_max ? + lfs->cfg->metadata_max : lfs->cfg->block_size) - 8, + }; + + // erase block to write to + int err = lfs_bd_erase(lfs, dir->pair[1]); + if (err) { + if (err == LFS_ERR_CORRUPT) { + goto relocate; + } + return err; + } + + // write out header + dir->rev = lfs_tole32(dir->rev); + err = lfs_dir_commitprog(lfs, &commit, + &dir->rev, sizeof(dir->rev)); + dir->rev = lfs_fromle32(dir->rev); + if (err) { + if (err == LFS_ERR_CORRUPT) { + goto relocate; + } + return err; + } + + // traverse the directory, this time writing out all unique tags + err = lfs_dir_traverse(lfs, + source, 0, 0xffffffff, attrs, attrcount, + LFS_MKTAG(0x400, 0x3ff, 0), + LFS_MKTAG(LFS_TYPE_NAME, 0, 0), + begin, end, -begin, + lfs_dir_commit_commit, &(struct lfs_dir_commit_commit){ + lfs, &commit}); + if (err) { + if (err == LFS_ERR_CORRUPT) { + goto relocate; + } + return err; + } + + // commit tail, which may be new after last size check + if (!lfs_pair_isnull(dir->tail)) { + lfs_pair_tole32(dir->tail); + err = lfs_dir_commitattr(lfs, &commit, + LFS_MKTAG(LFS_TYPE_TAIL + dir->split, 0x3ff, 8), + dir->tail); + lfs_pair_fromle32(dir->tail); + if (err) { + if (err == LFS_ERR_CORRUPT) { + goto relocate; + } + return err; + } + } + + // bring over gstate? + lfs_gstate_t delta = {0}; + if (!relocated) { + lfs_gstate_xor(&delta, &lfs->gdisk); + lfs_gstate_xor(&delta, &lfs->gstate); + } + lfs_gstate_xor(&delta, &lfs->gdelta); + delta.tag &= ~LFS_MKTAG(0, 0, 0x3ff); + + err = lfs_dir_getgstate(lfs, dir, &delta); + if (err) { + return err; + } + + if (!lfs_gstate_iszero(&delta)) { + lfs_gstate_tole32(&delta); + err = lfs_dir_commitattr(lfs, &commit, + LFS_MKTAG(LFS_TYPE_MOVESTATE, 0x3ff, + sizeof(delta)), &delta); + if (err) { + if (err == LFS_ERR_CORRUPT) { + goto relocate; + } + return err; + } + } + + // complete commit with crc + err = lfs_dir_commitcrc(lfs, &commit); + if (err) { + if (err == LFS_ERR_CORRUPT) { + goto relocate; + } + return err; + } + + // successful compaction, swap dir pair to indicate most recent + LFS_ASSERT(commit.off % lfs->cfg->prog_size == 0); + lfs_pair_swap(dir->pair); + dir->count = end - begin; + dir->off = commit.off; + dir->etag = commit.ptag; + // update gstate + lfs->gdelta = (lfs_gstate_t){0}; + if (!relocated) { + lfs->gdisk = lfs->gstate; + } + } + break; + +relocate: + // commit was corrupted, drop caches and prepare to relocate block + relocated = true; + lfs_cache_drop(lfs, &lfs->pcache); + if (!tired) { + LFS_DEBUG("Bad block at 0x%"PRIx32, dir->pair[1]); + } + + // can't relocate superblock, filesystem is now frozen + if (lfs_pair_cmp(dir->pair, (const lfs_block_t[2]){0, 1}) == 0) { + LFS_WARN("Superblock 0x%"PRIx32" has become unwritable", + dir->pair[1]); + return LFS_ERR_NOSPC; + } + + // relocate half of pair + int err = lfs_alloc(lfs, &dir->pair[1]); + if (err && (err != LFS_ERR_NOSPC || !tired)) { + return err; + } + + tired = false; + continue; + } + + return relocated ? LFS_OK_RELOCATED : 0; +} +#endif + +#ifndef LFS_READONLY +static int lfs_dir_splittingcompact(lfs_t *lfs, lfs_mdir_t *dir, + const struct lfs_mattr *attrs, int attrcount, + lfs_mdir_t *source, uint16_t begin, uint16_t end) { + while (true) { + // find size of first split, we do this by halving the split until + // the metadata is guaranteed to fit + // + // Note that this isn't a true binary search, we never increase the + // split size. This may result in poorly distributed metadata but isn't + // worth the extra code size or performance hit to fix. + lfs_size_t split = begin; + while (end - split > 1) { + lfs_size_t size = 0; + int err = lfs_dir_traverse(lfs, + source, 0, 0xffffffff, attrs, attrcount, + LFS_MKTAG(0x400, 0x3ff, 0), + LFS_MKTAG(LFS_TYPE_NAME, 0, 0), + split, end, -split, + lfs_dir_commit_size, &size); + if (err) { + return err; + } + + // space is complicated, we need room for: + // + // - tail: 4+2*4 = 12 bytes + // - gstate: 4+3*4 = 16 bytes + // - move delete: 4 = 4 bytes + // - crc: 4+4 = 8 bytes + // total = 40 bytes + // + // And we cap at half a block to avoid degenerate cases with + // nearly-full metadata blocks. + // + lfs_size_t metadata_max = (lfs->cfg->metadata_max) + ? lfs->cfg->metadata_max + : lfs->cfg->block_size; + if (end - split < 0xff + && size <= lfs_min( + metadata_max - 40, + lfs_alignup( + metadata_max/2, + lfs->cfg->prog_size))) { + break; + } + + split = split + ((end - split) / 2); + } + + if (split == begin) { + // no split needed + break; + } + + // split into two metadata pairs and continue + int err = lfs_dir_split(lfs, dir, attrs, attrcount, + source, split, end); + if (err && err != LFS_ERR_NOSPC) { + return err; + } + + if (err) { + // we can't allocate a new block, try to compact with degraded + // performance + LFS_WARN("Unable to split {0x%"PRIx32", 0x%"PRIx32"}", + dir->pair[0], dir->pair[1]); + break; + } else { + end = split; + } + } + + if (lfs_dir_needsrelocation(lfs, dir) + && lfs_pair_cmp(dir->pair, (const lfs_block_t[2]){0, 1}) == 0) { + // oh no! we're writing too much to the superblock, + // should we expand? + lfs_ssize_t size = lfs_fs_size_(lfs); + if (size < 0) { + return size; + } + + // littlefs cannot reclaim expanded superblocks, so expand cautiously + // + // if our filesystem is more than ~88% full, don't expand, this is + // somewhat arbitrary + if (lfs->block_count - size > lfs->block_count/8) { + LFS_DEBUG("Expanding superblock at rev %"PRIu32, dir->rev); + int err = lfs_dir_split(lfs, dir, attrs, attrcount, + source, begin, end); + if (err && err != LFS_ERR_NOSPC) { + return err; + } + + if (err) { + // welp, we tried, if we ran out of space there's not much + // we can do, we'll error later if we've become frozen + LFS_WARN("Unable to expand superblock"); + } else { + // duplicate the superblock entry into the new superblock + end = 1; + } + } + } + + return lfs_dir_compact(lfs, dir, attrs, attrcount, source, begin, end); +} +#endif + +#ifndef LFS_READONLY +static int lfs_dir_relocatingcommit(lfs_t *lfs, lfs_mdir_t *dir, + const lfs_block_t pair[2], + const struct lfs_mattr *attrs, int attrcount, + lfs_mdir_t *pdir) { + int state = 0; + + // calculate changes to the directory + bool hasdelete = false; + for (int i = 0; i < attrcount; i++) { + if (lfs_tag_type3(attrs[i].tag) == LFS_TYPE_CREATE) { + dir->count += 1; + } else if (lfs_tag_type3(attrs[i].tag) == LFS_TYPE_DELETE) { + LFS_ASSERT(dir->count > 0); + dir->count -= 1; + hasdelete = true; + } else if (lfs_tag_type1(attrs[i].tag) == LFS_TYPE_TAIL) { + dir->tail[0] = ((lfs_block_t*)attrs[i].buffer)[0]; + dir->tail[1] = ((lfs_block_t*)attrs[i].buffer)[1]; + dir->split = (lfs_tag_chunk(attrs[i].tag) & 1); + lfs_pair_fromle32(dir->tail); + } + } + + // should we actually drop the directory block? + if (hasdelete && dir->count == 0) { + LFS_ASSERT(pdir); + int err = lfs_fs_pred(lfs, dir->pair, pdir); + if (err && err != LFS_ERR_NOENT) { + return err; + } + + if (err != LFS_ERR_NOENT && pdir->split) { + state = LFS_OK_DROPPED; + goto fixmlist; + } + } + + if (dir->erased) { + // try to commit + struct lfs_commit commit = { + .block = dir->pair[0], + .off = dir->off, + .ptag = dir->etag, + .crc = 0xffffffff, + + .begin = dir->off, + .end = (lfs->cfg->metadata_max ? + lfs->cfg->metadata_max : lfs->cfg->block_size) - 8, + }; + + // traverse attrs that need to be written out + lfs_pair_tole32(dir->tail); + int err = lfs_dir_traverse(lfs, + dir, dir->off, dir->etag, attrs, attrcount, + 0, 0, 0, 0, 0, + lfs_dir_commit_commit, &(struct lfs_dir_commit_commit){ + lfs, &commit}); + lfs_pair_fromle32(dir->tail); + if (err) { + if (err == LFS_ERR_NOSPC || err == LFS_ERR_CORRUPT) { + goto compact; + } + return err; + } + + // commit any global diffs if we have any + lfs_gstate_t delta = {0}; + lfs_gstate_xor(&delta, &lfs->gstate); + lfs_gstate_xor(&delta, &lfs->gdisk); + lfs_gstate_xor(&delta, &lfs->gdelta); + delta.tag &= ~LFS_MKTAG(0, 0, 0x3ff); + if (!lfs_gstate_iszero(&delta)) { + err = lfs_dir_getgstate(lfs, dir, &delta); + if (err) { + return err; + } + + lfs_gstate_tole32(&delta); + err = lfs_dir_commitattr(lfs, &commit, + LFS_MKTAG(LFS_TYPE_MOVESTATE, 0x3ff, + sizeof(delta)), &delta); + if (err) { + if (err == LFS_ERR_NOSPC || err == LFS_ERR_CORRUPT) { + goto compact; + } + return err; + } + } + + // finalize commit with the crc + err = lfs_dir_commitcrc(lfs, &commit); + if (err) { + if (err == LFS_ERR_NOSPC || err == LFS_ERR_CORRUPT) { + goto compact; + } + return err; + } + + // successful commit, update dir + LFS_ASSERT(commit.off % lfs->cfg->prog_size == 0); + dir->off = commit.off; + dir->etag = commit.ptag; + // and update gstate + lfs->gdisk = lfs->gstate; + lfs->gdelta = (lfs_gstate_t){0}; + + goto fixmlist; + } + +compact: + // fall back to compaction + lfs_cache_drop(lfs, &lfs->pcache); + + state = lfs_dir_splittingcompact(lfs, dir, attrs, attrcount, + dir, 0, dir->count); + if (state < 0) { + return state; + } + + goto fixmlist; + +fixmlist:; + // this complicated bit of logic is for fixing up any active + // metadata-pairs that we may have affected + // + // note we have to make two passes since the mdir passed to + // lfs_dir_commit could also be in this list, and even then + // we need to copy the pair so they don't get clobbered if we refetch + // our mdir. + lfs_block_t oldpair[2] = {pair[0], pair[1]}; + for (struct lfs_mlist *d = lfs->mlist; d; d = d->next) { + if (lfs_pair_cmp(d->m.pair, oldpair) == 0) { + d->m = *dir; + if (d->m.pair != pair) { + for (int i = 0; i < attrcount; i++) { + if (lfs_tag_type3(attrs[i].tag) == LFS_TYPE_DELETE && + d->id == lfs_tag_id(attrs[i].tag) && + d->type != LFS_TYPE_DIR) { + d->m.pair[0] = LFS_BLOCK_NULL; + d->m.pair[1] = LFS_BLOCK_NULL; + } else if (lfs_tag_type3(attrs[i].tag) == LFS_TYPE_DELETE && + d->id > lfs_tag_id(attrs[i].tag)) { + d->id -= 1; + if (d->type == LFS_TYPE_DIR) { + ((lfs_dir_t*)d)->pos -= 1; + } + } else if (lfs_tag_type3(attrs[i].tag) == LFS_TYPE_CREATE && + d->id >= lfs_tag_id(attrs[i].tag)) { + d->id += 1; + if (d->type == LFS_TYPE_DIR) { + ((lfs_dir_t*)d)->pos += 1; + } + } + } + } + + while (d->id >= d->m.count && d->m.split) { + // we split and id is on tail now + if (lfs_pair_cmp(d->m.tail, lfs->root) != 0) { + d->id -= d->m.count; + } + int err = lfs_dir_fetch(lfs, &d->m, d->m.tail); + if (err) { + return err; + } + } + } + } + + return state; +} +#endif + +#ifndef LFS_READONLY +static int lfs_dir_orphaningcommit(lfs_t *lfs, lfs_mdir_t *dir, + const struct lfs_mattr *attrs, int attrcount) { + // check for any inline files that aren't RAM backed and + // forcefully evict them, needed for filesystem consistency + for (lfs_file_t *f = (lfs_file_t*)lfs->mlist; f; f = f->next) { + if (dir != &f->m && lfs_pair_cmp(f->m.pair, dir->pair) == 0 && + f->type == LFS_TYPE_REG && (f->flags & LFS_F_INLINE) && + f->ctz.size > lfs->cfg->cache_size) { + int err = lfs_file_outline(lfs, f); + if (err) { + return err; + } + + err = lfs_file_flush(lfs, f); + if (err) { + return err; + } + } + } + + lfs_block_t lpair[2] = {dir->pair[0], dir->pair[1]}; + lfs_mdir_t ldir = *dir; + lfs_mdir_t pdir; + int state = lfs_dir_relocatingcommit(lfs, &ldir, dir->pair, + attrs, attrcount, &pdir); + if (state < 0) { + return state; + } + + // update if we're not in mlist, note we may have already been + // updated if we are in mlist + if (lfs_pair_cmp(dir->pair, lpair) == 0) { + *dir = ldir; + } + + // commit was successful, but may require other changes in the + // filesystem, these would normally be tail recursive, but we have + // flattened them here avoid unbounded stack usage + + // need to drop? + if (state == LFS_OK_DROPPED) { + // steal state + int err = lfs_dir_getgstate(lfs, dir, &lfs->gdelta); + if (err) { + return err; + } + + // steal tail, note that this can't create a recursive drop + lpair[0] = pdir.pair[0]; + lpair[1] = pdir.pair[1]; + lfs_pair_tole32(dir->tail); + state = lfs_dir_relocatingcommit(lfs, &pdir, lpair, LFS_MKATTRS( + {LFS_MKTAG(LFS_TYPE_TAIL + dir->split, 0x3ff, 8), + dir->tail}), + NULL); + lfs_pair_fromle32(dir->tail); + if (state < 0) { + return state; + } + + ldir = pdir; + } + + // need to relocate? + bool orphans = false; + while (state == LFS_OK_RELOCATED) { + LFS_DEBUG("Relocating {0x%"PRIx32", 0x%"PRIx32"} " + "-> {0x%"PRIx32", 0x%"PRIx32"}", + lpair[0], lpair[1], ldir.pair[0], ldir.pair[1]); + state = 0; + + // update internal root + if (lfs_pair_cmp(lpair, lfs->root) == 0) { + lfs->root[0] = ldir.pair[0]; + lfs->root[1] = ldir.pair[1]; + } + + // update internally tracked dirs + for (struct lfs_mlist *d = lfs->mlist; d; d = d->next) { + if (lfs_pair_cmp(lpair, d->m.pair) == 0) { + d->m.pair[0] = ldir.pair[0]; + d->m.pair[1] = ldir.pair[1]; + } + + if (d->type == LFS_TYPE_DIR && + lfs_pair_cmp(lpair, ((lfs_dir_t*)d)->head) == 0) { + ((lfs_dir_t*)d)->head[0] = ldir.pair[0]; + ((lfs_dir_t*)d)->head[1] = ldir.pair[1]; + } + } + + // find parent + lfs_stag_t tag = lfs_fs_parent(lfs, lpair, &pdir); + if (tag < 0 && tag != LFS_ERR_NOENT) { + return tag; + } + + bool hasparent = (tag != LFS_ERR_NOENT); + if (tag != LFS_ERR_NOENT) { + // note that if we have a parent, we must have a pred, so this will + // always create an orphan + int err = lfs_fs_preporphans(lfs, +1); + if (err) { + return err; + } + + // fix pending move in this pair? this looks like an optimization but + // is in fact _required_ since relocating may outdate the move. + uint16_t moveid = 0x3ff; + if (lfs_gstate_hasmovehere(&lfs->gstate, pdir.pair)) { + moveid = lfs_tag_id(lfs->gstate.tag); + LFS_DEBUG("Fixing move while relocating " + "{0x%"PRIx32", 0x%"PRIx32"} 0x%"PRIx16"\n", + pdir.pair[0], pdir.pair[1], moveid); + lfs_fs_prepmove(lfs, 0x3ff, NULL); + if (moveid < lfs_tag_id(tag)) { + tag -= LFS_MKTAG(0, 1, 0); + } + } + + lfs_block_t ppair[2] = {pdir.pair[0], pdir.pair[1]}; + lfs_pair_tole32(ldir.pair); + state = lfs_dir_relocatingcommit(lfs, &pdir, ppair, LFS_MKATTRS( + {LFS_MKTAG_IF(moveid != 0x3ff, + LFS_TYPE_DELETE, moveid, 0), NULL}, + {tag, ldir.pair}), + NULL); + lfs_pair_fromle32(ldir.pair); + if (state < 0) { + return state; + } + + if (state == LFS_OK_RELOCATED) { + lpair[0] = ppair[0]; + lpair[1] = ppair[1]; + ldir = pdir; + orphans = true; + continue; + } + } + + // find pred + int err = lfs_fs_pred(lfs, lpair, &pdir); + if (err && err != LFS_ERR_NOENT) { + return err; + } + LFS_ASSERT(!(hasparent && err == LFS_ERR_NOENT)); + + // if we can't find dir, it must be new + if (err != LFS_ERR_NOENT) { + if (lfs_gstate_hasorphans(&lfs->gstate)) { + // next step, clean up orphans + err = lfs_fs_preporphans(lfs, -(int8_t)hasparent); + if (err) { + return err; + } + } + + // fix pending move in this pair? this looks like an optimization + // but is in fact _required_ since relocating may outdate the move. + uint16_t moveid = 0x3ff; + if (lfs_gstate_hasmovehere(&lfs->gstate, pdir.pair)) { + moveid = lfs_tag_id(lfs->gstate.tag); + LFS_DEBUG("Fixing move while relocating " + "{0x%"PRIx32", 0x%"PRIx32"} 0x%"PRIx16"\n", + pdir.pair[0], pdir.pair[1], moveid); + lfs_fs_prepmove(lfs, 0x3ff, NULL); + } + + // replace bad pair, either we clean up desync, or no desync occured + lpair[0] = pdir.pair[0]; + lpair[1] = pdir.pair[1]; + lfs_pair_tole32(ldir.pair); + state = lfs_dir_relocatingcommit(lfs, &pdir, lpair, LFS_MKATTRS( + {LFS_MKTAG_IF(moveid != 0x3ff, + LFS_TYPE_DELETE, moveid, 0), NULL}, + {LFS_MKTAG(LFS_TYPE_TAIL + pdir.split, 0x3ff, 8), + ldir.pair}), + NULL); + lfs_pair_fromle32(ldir.pair); + if (state < 0) { + return state; + } + + ldir = pdir; + } + } + + return orphans ? LFS_OK_ORPHANED : 0; +} +#endif + +#ifndef LFS_READONLY +static int lfs_dir_commit(lfs_t *lfs, lfs_mdir_t *dir, + const struct lfs_mattr *attrs, int attrcount) { + int orphans = lfs_dir_orphaningcommit(lfs, dir, attrs, attrcount); + if (orphans < 0) { + return orphans; + } + + if (orphans) { + // make sure we've removed all orphans, this is a noop if there + // are none, but if we had nested blocks failures we may have + // created some + int err = lfs_fs_deorphan(lfs, false); + if (err) { + return err; + } + } + + return 0; +} +#endif + + +/// Top level directory operations /// +#ifndef LFS_READONLY +static int lfs_mkdir_(lfs_t *lfs, const char *path) { + // deorphan if we haven't yet, needed at most once after poweron + int err = lfs_fs_forceconsistency(lfs); + if (err) { + return err; + } + + struct lfs_mlist cwd; + cwd.next = lfs->mlist; + uint16_t id; + err = lfs_dir_find(lfs, &cwd.m, &path, &id); + if (!(err == LFS_ERR_NOENT && lfs_path_islast(path))) { + return (err < 0) ? err : LFS_ERR_EXIST; + } + + // check that name fits + lfs_size_t nlen = lfs_path_namelen(path); + if (nlen > lfs->name_max) { + return LFS_ERR_NAMETOOLONG; + } + + // build up new directory + lfs_alloc_ckpoint(lfs); + lfs_mdir_t dir; + err = lfs_dir_alloc(lfs, &dir); + if (err) { + return err; + } + + // find end of list + lfs_mdir_t pred = cwd.m; + while (pred.split) { + err = lfs_dir_fetch(lfs, &pred, pred.tail); + if (err) { + return err; + } + } + + // setup dir + lfs_pair_tole32(pred.tail); + err = lfs_dir_commit(lfs, &dir, LFS_MKATTRS( + {LFS_MKTAG(LFS_TYPE_SOFTTAIL, 0x3ff, 8), pred.tail})); + lfs_pair_fromle32(pred.tail); + if (err) { + return err; + } + + // current block not end of list? + if (cwd.m.split) { + // update tails, this creates a desync + err = lfs_fs_preporphans(lfs, +1); + if (err) { + return err; + } + + // it's possible our predecessor has to be relocated, and if + // our parent is our predecessor's predecessor, this could have + // caused our parent to go out of date, fortunately we can hook + // ourselves into littlefs to catch this + cwd.type = 0; + cwd.id = 0; + lfs->mlist = &cwd; + + lfs_pair_tole32(dir.pair); + err = lfs_dir_commit(lfs, &pred, LFS_MKATTRS( + {LFS_MKTAG(LFS_TYPE_SOFTTAIL, 0x3ff, 8), dir.pair})); + lfs_pair_fromle32(dir.pair); + if (err) { + lfs->mlist = cwd.next; + return err; + } + + lfs->mlist = cwd.next; + err = lfs_fs_preporphans(lfs, -1); + if (err) { + return err; + } + } + + // now insert into our parent block + lfs_pair_tole32(dir.pair); + err = lfs_dir_commit(lfs, &cwd.m, LFS_MKATTRS( + {LFS_MKTAG(LFS_TYPE_CREATE, id, 0), NULL}, + {LFS_MKTAG(LFS_TYPE_DIR, id, nlen), path}, + {LFS_MKTAG(LFS_TYPE_DIRSTRUCT, id, 8), dir.pair}, + {LFS_MKTAG_IF(!cwd.m.split, + LFS_TYPE_SOFTTAIL, 0x3ff, 8), dir.pair})); + lfs_pair_fromle32(dir.pair); + if (err) { + return err; + } + + return 0; +} +#endif + +static int lfs_dir_open_(lfs_t *lfs, lfs_dir_t *dir, const char *path) { + lfs_stag_t tag = lfs_dir_find(lfs, &dir->m, &path, NULL); + if (tag < 0) { + return tag; + } + + if (lfs_tag_type3(tag) != LFS_TYPE_DIR) { + return LFS_ERR_NOTDIR; + } + + lfs_block_t pair[2]; + if (lfs_tag_id(tag) == 0x3ff) { + // handle root dir separately + pair[0] = lfs->root[0]; + pair[1] = lfs->root[1]; + } else { + // get dir pair from parent + lfs_stag_t res = lfs_dir_get(lfs, &dir->m, LFS_MKTAG(0x700, 0x3ff, 0), + LFS_MKTAG(LFS_TYPE_STRUCT, lfs_tag_id(tag), 8), pair); + if (res < 0) { + return res; + } + lfs_pair_fromle32(pair); + } + + // fetch first pair + int err = lfs_dir_fetch(lfs, &dir->m, pair); + if (err) { + return err; + } + + // setup entry + dir->head[0] = dir->m.pair[0]; + dir->head[1] = dir->m.pair[1]; + dir->id = 0; + dir->pos = 0; + + // add to list of mdirs + dir->type = LFS_TYPE_DIR; + lfs_mlist_append(lfs, (struct lfs_mlist *)dir); + + return 0; +} + +static int lfs_dir_close_(lfs_t *lfs, lfs_dir_t *dir) { + // remove from list of mdirs + lfs_mlist_remove(lfs, (struct lfs_mlist *)dir); + + return 0; +} + +static int lfs_dir_read_(lfs_t *lfs, lfs_dir_t *dir, struct lfs_info *info) { + memset(info, 0, sizeof(*info)); + + // special offset for '.' and '..' + if (dir->pos == 0) { + info->type = LFS_TYPE_DIR; + strcpy(info->name, "."); + dir->pos += 1; + return true; + } else if (dir->pos == 1) { + info->type = LFS_TYPE_DIR; + strcpy(info->name, ".."); + dir->pos += 1; + return true; + } + + while (true) { + if (dir->id == dir->m.count) { + if (!dir->m.split) { + return false; + } + + int err = lfs_dir_fetch(lfs, &dir->m, dir->m.tail); + if (err) { + return err; + } + + dir->id = 0; + } + + int err = lfs_dir_getinfo(lfs, &dir->m, dir->id, info); + if (err && err != LFS_ERR_NOENT) { + return err; + } + + dir->id += 1; + if (err != LFS_ERR_NOENT) { + break; + } + } + + dir->pos += 1; + return true; +} + +static int lfs_dir_seek_(lfs_t *lfs, lfs_dir_t *dir, lfs_off_t off) { + // simply walk from head dir + int err = lfs_dir_rewind_(lfs, dir); + if (err) { + return err; + } + + // first two for ./.. + dir->pos = lfs_min(2, off); + off -= dir->pos; + + // skip superblock entry + dir->id = (off > 0 && lfs_pair_cmp(dir->head, lfs->root) == 0); + + while (off > 0) { + if (dir->id == dir->m.count) { + if (!dir->m.split) { + return LFS_ERR_INVAL; + } + + err = lfs_dir_fetch(lfs, &dir->m, dir->m.tail); + if (err) { + return err; + } + + dir->id = 0; + } + + int diff = lfs_min(dir->m.count - dir->id, off); + dir->id += diff; + dir->pos += diff; + off -= diff; + } + + return 0; +} + +static lfs_soff_t lfs_dir_tell_(lfs_t *lfs, lfs_dir_t *dir) { + (void)lfs; + return dir->pos; +} + +static int lfs_dir_rewind_(lfs_t *lfs, lfs_dir_t *dir) { + // reload the head dir + int err = lfs_dir_fetch(lfs, &dir->m, dir->head); + if (err) { + return err; + } + + dir->id = 0; + dir->pos = 0; + return 0; +} + + +/// File index list operations /// +static int lfs_ctz_index(lfs_t *lfs, lfs_off_t *off) { + lfs_off_t size = *off; + lfs_off_t b = lfs->cfg->block_size - 2*4; + lfs_off_t i = size / b; + if (i == 0) { + return 0; + } + + i = (size - 4*(lfs_popc(i-1)+2)) / b; + *off = size - b*i - 4*lfs_popc(i); + return i; +} + +static int lfs_ctz_find(lfs_t *lfs, + const lfs_cache_t *pcache, lfs_cache_t *rcache, + lfs_block_t head, lfs_size_t size, + lfs_size_t pos, lfs_block_t *block, lfs_off_t *off) { + if (size == 0) { + *block = LFS_BLOCK_NULL; + *off = 0; + return 0; + } + + lfs_off_t current = lfs_ctz_index(lfs, &(lfs_off_t){size-1}); + lfs_off_t target = lfs_ctz_index(lfs, &pos); + + while (current > target) { + lfs_size_t skip = lfs_min( + lfs_npw2(current-target+1) - 1, + lfs_ctz(current)); + + int err = lfs_bd_read(lfs, + pcache, rcache, sizeof(head), + head, 4*skip, &head, sizeof(head)); + head = lfs_fromle32(head); + if (err) { + return err; + } + + current -= 1 << skip; + } + + *block = head; + *off = pos; + return 0; +} + +#ifndef LFS_READONLY +static int lfs_ctz_extend(lfs_t *lfs, + lfs_cache_t *pcache, lfs_cache_t *rcache, + lfs_block_t head, lfs_size_t size, + lfs_block_t *block, lfs_off_t *off) { + while (true) { + // go ahead and grab a block + lfs_block_t nblock; + int err = lfs_alloc(lfs, &nblock); + if (err) { + return err; + } + + { + err = lfs_bd_erase(lfs, nblock); + if (err) { + if (err == LFS_ERR_CORRUPT) { + goto relocate; + } + return err; + } + + if (size == 0) { + *block = nblock; + *off = 0; + return 0; + } + + lfs_size_t noff = size - 1; + lfs_off_t index = lfs_ctz_index(lfs, &noff); + noff = noff + 1; + + // just copy out the last block if it is incomplete + if (noff != lfs->cfg->block_size) { + for (lfs_off_t i = 0; i < noff; i++) { + uint8_t data; + err = lfs_bd_read(lfs, + NULL, rcache, noff-i, + head, i, &data, 1); + if (err) { + return err; + } + + err = lfs_bd_prog(lfs, + pcache, rcache, true, + nblock, i, &data, 1); + if (err) { + if (err == LFS_ERR_CORRUPT) { + goto relocate; + } + return err; + } + } + + *block = nblock; + *off = noff; + return 0; + } + + // append block + index += 1; + lfs_size_t skips = lfs_ctz(index) + 1; + lfs_block_t nhead = head; + for (lfs_off_t i = 0; i < skips; i++) { + nhead = lfs_tole32(nhead); + err = lfs_bd_prog(lfs, pcache, rcache, true, + nblock, 4*i, &nhead, 4); + nhead = lfs_fromle32(nhead); + if (err) { + if (err == LFS_ERR_CORRUPT) { + goto relocate; + } + return err; + } + + if (i != skips-1) { + err = lfs_bd_read(lfs, + NULL, rcache, sizeof(nhead), + nhead, 4*i, &nhead, sizeof(nhead)); + nhead = lfs_fromle32(nhead); + if (err) { + return err; + } + } + } + + *block = nblock; + *off = 4*skips; + return 0; + } + +relocate: + LFS_DEBUG("Bad block at 0x%"PRIx32, nblock); + + // just clear cache and try a new block + lfs_cache_drop(lfs, pcache); + } +} +#endif + +static int lfs_ctz_traverse(lfs_t *lfs, + const lfs_cache_t *pcache, lfs_cache_t *rcache, + lfs_block_t head, lfs_size_t size, + int (*cb)(void*, lfs_block_t), void *data) { + if (size == 0) { + return 0; + } + + lfs_off_t index = lfs_ctz_index(lfs, &(lfs_off_t){size-1}); + + while (true) { + int err = cb(data, head); + if (err) { + return err; + } + + if (index == 0) { + return 0; + } + + lfs_block_t heads[2]; + int count = 2 - (index & 1); + err = lfs_bd_read(lfs, + pcache, rcache, count*sizeof(head), + head, 0, &heads, count*sizeof(head)); + heads[0] = lfs_fromle32(heads[0]); + heads[1] = lfs_fromle32(heads[1]); + if (err) { + return err; + } + + for (int i = 0; i < count-1; i++) { + err = cb(data, heads[i]); + if (err) { + return err; + } + } + + head = heads[count-1]; + index -= count; + } +} + + +/// Top level file operations /// +static int lfs_file_opencfg_(lfs_t *lfs, lfs_file_t *file, + const char *path, int flags, + const struct lfs_file_config *cfg) { +#ifndef LFS_READONLY + // deorphan if we haven't yet, needed at most once after poweron + if ((flags & LFS_O_WRONLY) == LFS_O_WRONLY) { + int err = lfs_fs_forceconsistency(lfs); + if (err) { + return err; + } + } +#else + LFS_ASSERT((flags & LFS_O_RDONLY) == LFS_O_RDONLY); +#endif + + // setup simple file details + int err; + file->cfg = cfg; + file->flags = flags; + file->pos = 0; + file->off = 0; + file->cache.buffer = NULL; + + // allocate entry for file if it doesn't exist + lfs_stag_t tag = lfs_dir_find(lfs, &file->m, &path, &file->id); + if (tag < 0 && !(tag == LFS_ERR_NOENT && lfs_path_islast(path))) { + err = tag; + goto cleanup; + } + + // get id, add to list of mdirs to catch update changes + file->type = LFS_TYPE_REG; + lfs_mlist_append(lfs, (struct lfs_mlist *)file); + +#ifdef LFS_READONLY + if (tag == LFS_ERR_NOENT) { + err = LFS_ERR_NOENT; + goto cleanup; +#else + if (tag == LFS_ERR_NOENT) { + if (!(flags & LFS_O_CREAT)) { + err = LFS_ERR_NOENT; + goto cleanup; + } + + // don't allow trailing slashes + if (lfs_path_isdir(path)) { + err = LFS_ERR_NOTDIR; + goto cleanup; + } + + // check that name fits + lfs_size_t nlen = lfs_path_namelen(path); + if (nlen > lfs->name_max) { + err = LFS_ERR_NAMETOOLONG; + goto cleanup; + } + + // get next slot and create entry to remember name + err = lfs_dir_commit(lfs, &file->m, LFS_MKATTRS( + {LFS_MKTAG(LFS_TYPE_CREATE, file->id, 0), NULL}, + {LFS_MKTAG(LFS_TYPE_REG, file->id, nlen), path}, + {LFS_MKTAG(LFS_TYPE_INLINESTRUCT, file->id, 0), NULL})); + + // it may happen that the file name doesn't fit in the metadata blocks, e.g., a 256 byte file name will + // not fit in a 128 byte block. + err = (err == LFS_ERR_NOSPC) ? LFS_ERR_NAMETOOLONG : err; + if (err) { + goto cleanup; + } + + tag = LFS_MKTAG(LFS_TYPE_INLINESTRUCT, 0, 0); + } else if (flags & LFS_O_EXCL) { + err = LFS_ERR_EXIST; + goto cleanup; +#endif + } else if (lfs_tag_type3(tag) != LFS_TYPE_REG) { + err = LFS_ERR_ISDIR; + goto cleanup; +#ifndef LFS_READONLY + } else if (flags & LFS_O_TRUNC) { + // truncate if requested + tag = LFS_MKTAG(LFS_TYPE_INLINESTRUCT, file->id, 0); + file->flags |= LFS_F_DIRTY; +#endif + } else { + // try to load what's on disk, if it's inlined we'll fix it later + tag = lfs_dir_get(lfs, &file->m, LFS_MKTAG(0x700, 0x3ff, 0), + LFS_MKTAG(LFS_TYPE_STRUCT, file->id, 8), &file->ctz); + if (tag < 0) { + err = tag; + goto cleanup; + } + lfs_ctz_fromle32(&file->ctz); + } + + // fetch attrs + for (unsigned i = 0; i < file->cfg->attr_count; i++) { + // if opened for read / read-write operations + if ((file->flags & LFS_O_RDONLY) == LFS_O_RDONLY) { + lfs_stag_t res = lfs_dir_get(lfs, &file->m, + LFS_MKTAG(0x7ff, 0x3ff, 0), + LFS_MKTAG(LFS_TYPE_USERATTR + file->cfg->attrs[i].type, + file->id, file->cfg->attrs[i].size), + file->cfg->attrs[i].buffer); + if (res < 0 && res != LFS_ERR_NOENT) { + err = res; + goto cleanup; + } + } + +#ifndef LFS_READONLY + // if opened for write / read-write operations + if ((file->flags & LFS_O_WRONLY) == LFS_O_WRONLY) { + if (file->cfg->attrs[i].size > lfs->attr_max) { + err = LFS_ERR_NOSPC; + goto cleanup; + } + + file->flags |= LFS_F_DIRTY; + } +#endif + } + + // allocate buffer if needed + if (file->cfg->buffer) { + file->cache.buffer = file->cfg->buffer; + } else { + file->cache.buffer = lfs_malloc(lfs->cfg->cache_size); + if (!file->cache.buffer) { + err = LFS_ERR_NOMEM; + goto cleanup; + } + } + + // zero to avoid information leak + lfs_cache_zero(lfs, &file->cache); + + if (lfs_tag_type3(tag) == LFS_TYPE_INLINESTRUCT) { + // load inline files + file->ctz.head = LFS_BLOCK_INLINE; + file->ctz.size = lfs_tag_size(tag); + file->flags |= LFS_F_INLINE; + file->cache.block = file->ctz.head; + file->cache.off = 0; + file->cache.size = lfs->cfg->cache_size; + + // don't always read (may be new/trunc file) + if (file->ctz.size > 0) { + lfs_stag_t res = lfs_dir_get(lfs, &file->m, + LFS_MKTAG(0x700, 0x3ff, 0), + LFS_MKTAG(LFS_TYPE_STRUCT, file->id, + lfs_min(file->cache.size, 0x3fe)), + file->cache.buffer); + if (res < 0) { + err = res; + goto cleanup; + } + } + } + + return 0; + +cleanup: + // clean up lingering resources +#ifndef LFS_READONLY + file->flags |= LFS_F_ERRED; +#endif + lfs_file_close_(lfs, file); + return err; +} + +#ifndef LFS_NO_MALLOC +static int lfs_file_open_(lfs_t *lfs, lfs_file_t *file, + const char *path, int flags) { + static const struct lfs_file_config defaults = {0}; + int err = lfs_file_opencfg_(lfs, file, path, flags, &defaults); + return err; +} +#endif + +static int lfs_file_close_(lfs_t *lfs, lfs_file_t *file) { +#ifndef LFS_READONLY + int err = lfs_file_sync_(lfs, file); +#else + int err = 0; +#endif + + // remove from list of mdirs + lfs_mlist_remove(lfs, (struct lfs_mlist*)file); + + // clean up memory + if (!file->cfg->buffer) { + lfs_free(file->cache.buffer); + } + + return err; +} + + +#ifndef LFS_READONLY +static int lfs_file_relocate(lfs_t *lfs, lfs_file_t *file) { + while (true) { + // just relocate what exists into new block + lfs_block_t nblock; + int err = lfs_alloc(lfs, &nblock); + if (err) { + return err; + } + + err = lfs_bd_erase(lfs, nblock); + if (err) { + if (err == LFS_ERR_CORRUPT) { + goto relocate; + } + return err; + } + + // either read from dirty cache or disk + for (lfs_off_t i = 0; i < file->off; i++) { + uint8_t data; + if (file->flags & LFS_F_INLINE) { + err = lfs_dir_getread(lfs, &file->m, + // note we evict inline files before they can be dirty + NULL, &file->cache, file->off-i, + LFS_MKTAG(0xfff, 0x1ff, 0), + LFS_MKTAG(LFS_TYPE_INLINESTRUCT, file->id, 0), + i, &data, 1); + if (err) { + return err; + } + } else { + err = lfs_bd_read(lfs, + &file->cache, &lfs->rcache, file->off-i, + file->block, i, &data, 1); + if (err) { + return err; + } + } + + err = lfs_bd_prog(lfs, + &lfs->pcache, &lfs->rcache, true, + nblock, i, &data, 1); + if (err) { + if (err == LFS_ERR_CORRUPT) { + goto relocate; + } + return err; + } + } + + // copy over new state of file + memcpy(file->cache.buffer, lfs->pcache.buffer, lfs->cfg->cache_size); + file->cache.block = lfs->pcache.block; + file->cache.off = lfs->pcache.off; + file->cache.size = lfs->pcache.size; + lfs_cache_zero(lfs, &lfs->pcache); + + file->block = nblock; + file->flags |= LFS_F_WRITING; + return 0; + +relocate: + LFS_DEBUG("Bad block at 0x%"PRIx32, nblock); + + // just clear cache and try a new block + lfs_cache_drop(lfs, &lfs->pcache); + } +} +#endif + +#ifndef LFS_READONLY +static int lfs_file_outline(lfs_t *lfs, lfs_file_t *file) { + file->off = file->pos; + lfs_alloc_ckpoint(lfs); + int err = lfs_file_relocate(lfs, file); + if (err) { + return err; + } + + file->flags &= ~LFS_F_INLINE; + return 0; +} +#endif + +static int lfs_file_flush(lfs_t *lfs, lfs_file_t *file) { + if (file->flags & LFS_F_READING) { + if (!(file->flags & LFS_F_INLINE)) { + lfs_cache_drop(lfs, &file->cache); + } + file->flags &= ~LFS_F_READING; + } + +#ifndef LFS_READONLY + if (file->flags & LFS_F_WRITING) { + lfs_off_t pos = file->pos; + + if (!(file->flags & LFS_F_INLINE)) { + // copy over anything after current branch + lfs_file_t orig = { + .ctz.head = file->ctz.head, + .ctz.size = file->ctz.size, + .flags = LFS_O_RDONLY, + .pos = file->pos, + .cache = lfs->rcache, + }; + lfs_cache_drop(lfs, &lfs->rcache); + + while (file->pos < file->ctz.size) { + // copy over a byte at a time, leave it up to caching + // to make this efficient + uint8_t data; + lfs_ssize_t res = lfs_file_flushedread(lfs, &orig, &data, 1); + if (res < 0) { + return res; + } + + res = lfs_file_flushedwrite(lfs, file, &data, 1); + if (res < 0) { + return res; + } + + // keep our reference to the rcache in sync + if (lfs->rcache.block != LFS_BLOCK_NULL) { + lfs_cache_drop(lfs, &orig.cache); + lfs_cache_drop(lfs, &lfs->rcache); + } + } + + // write out what we have + while (true) { + int err = lfs_bd_flush(lfs, &file->cache, &lfs->rcache, true); + if (err) { + if (err == LFS_ERR_CORRUPT) { + goto relocate; + } + return err; + } + + break; + +relocate: + LFS_DEBUG("Bad block at 0x%"PRIx32, file->block); + err = lfs_file_relocate(lfs, file); + if (err) { + return err; + } + } + } else { + file->pos = lfs_max(file->pos, file->ctz.size); + } + + // actual file updates + file->ctz.head = file->block; + file->ctz.size = file->pos; + file->flags &= ~LFS_F_WRITING; + file->flags |= LFS_F_DIRTY; + + file->pos = pos; + } +#endif + + return 0; +} + +#ifndef LFS_READONLY +static int lfs_file_sync_(lfs_t *lfs, lfs_file_t *file) { + if (file->flags & LFS_F_ERRED) { + // it's not safe to do anything if our file errored + return 0; + } + + int err = lfs_file_flush(lfs, file); + if (err) { + file->flags |= LFS_F_ERRED; + return err; + } + + + if ((file->flags & LFS_F_DIRTY) && + !lfs_pair_isnull(file->m.pair)) { + // before we commit metadata, we need sync the disk to make sure + // data writes don't complete after metadata writes + if (!(file->flags & LFS_F_INLINE)) { + err = lfs_bd_sync(lfs, &lfs->pcache, &lfs->rcache, false); + if (err) { + return err; + } + } + + // update dir entry + uint16_t type; + const void *buffer; + lfs_size_t size; + struct lfs_ctz ctz; + if (file->flags & LFS_F_INLINE) { + // inline the whole file + type = LFS_TYPE_INLINESTRUCT; + buffer = file->cache.buffer; + size = file->ctz.size; + } else { + // update the ctz reference + type = LFS_TYPE_CTZSTRUCT; + // copy ctz so alloc will work during a relocate + ctz = file->ctz; + lfs_ctz_tole32(&ctz); + buffer = &ctz; + size = sizeof(ctz); + } + + // commit file data and attributes + err = lfs_dir_commit(lfs, &file->m, LFS_MKATTRS( + {LFS_MKTAG(type, file->id, size), buffer}, + {LFS_MKTAG(LFS_FROM_USERATTRS, file->id, + file->cfg->attr_count), file->cfg->attrs})); + if (err) { + file->flags |= LFS_F_ERRED; + return err; + } + + file->flags &= ~LFS_F_DIRTY; + } + + return 0; +} +#endif + +static lfs_ssize_t lfs_file_flushedread(lfs_t *lfs, lfs_file_t *file, + void *buffer, lfs_size_t size) { + uint8_t *data = buffer; + lfs_size_t nsize = size; + + if (file->pos >= file->ctz.size) { + // eof if past end + return 0; + } + + size = lfs_min(size, file->ctz.size - file->pos); + nsize = size; + + while (nsize > 0) { + // check if we need a new block + if (!(file->flags & LFS_F_READING) || + file->off == lfs->cfg->block_size) { + if (!(file->flags & LFS_F_INLINE)) { + int err = lfs_ctz_find(lfs, NULL, &file->cache, + file->ctz.head, file->ctz.size, + file->pos, &file->block, &file->off); + if (err) { + return err; + } + } else { + file->block = LFS_BLOCK_INLINE; + file->off = file->pos; + } + + file->flags |= LFS_F_READING; + } + + // read as much as we can in current block + lfs_size_t diff = lfs_min(nsize, lfs->cfg->block_size - file->off); + if (file->flags & LFS_F_INLINE) { + int err = lfs_dir_getread(lfs, &file->m, + NULL, &file->cache, lfs->cfg->block_size, + LFS_MKTAG(0xfff, 0x1ff, 0), + LFS_MKTAG(LFS_TYPE_INLINESTRUCT, file->id, 0), + file->off, data, diff); + if (err) { + return err; + } + } else { + int err = lfs_bd_read(lfs, + NULL, &file->cache, lfs->cfg->block_size, + file->block, file->off, data, diff); + if (err) { + return err; + } + } + + file->pos += diff; + file->off += diff; + data += diff; + nsize -= diff; + } + + return size; +} + +static lfs_ssize_t lfs_file_read_(lfs_t *lfs, lfs_file_t *file, + void *buffer, lfs_size_t size) { + LFS_ASSERT((file->flags & LFS_O_RDONLY) == LFS_O_RDONLY); + +#ifndef LFS_READONLY + if (file->flags & LFS_F_WRITING) { + // flush out any writes + int err = lfs_file_flush(lfs, file); + if (err) { + return err; + } + } +#endif + + return lfs_file_flushedread(lfs, file, buffer, size); +} + + +#ifndef LFS_READONLY +static lfs_ssize_t lfs_file_flushedwrite(lfs_t *lfs, lfs_file_t *file, + const void *buffer, lfs_size_t size) { + const uint8_t *data = buffer; + lfs_size_t nsize = size; + + if ((file->flags & LFS_F_INLINE) && + lfs_max(file->pos+nsize, file->ctz.size) > lfs->inline_max) { + // inline file doesn't fit anymore + int err = lfs_file_outline(lfs, file); + if (err) { + file->flags |= LFS_F_ERRED; + return err; + } + } + + while (nsize > 0) { + // check if we need a new block + if (!(file->flags & LFS_F_WRITING) || + file->off == lfs->cfg->block_size) { + if (!(file->flags & LFS_F_INLINE)) { + if (!(file->flags & LFS_F_WRITING) && file->pos > 0) { + // find out which block we're extending from + int err = lfs_ctz_find(lfs, NULL, &file->cache, + file->ctz.head, file->ctz.size, + file->pos-1, &file->block, &(lfs_off_t){0}); + if (err) { + file->flags |= LFS_F_ERRED; + return err; + } + + // mark cache as dirty since we may have read data into it + lfs_cache_zero(lfs, &file->cache); + } + + // extend file with new blocks + lfs_alloc_ckpoint(lfs); + int err = lfs_ctz_extend(lfs, &file->cache, &lfs->rcache, + file->block, file->pos, + &file->block, &file->off); + if (err) { + file->flags |= LFS_F_ERRED; + return err; + } + } else { + file->block = LFS_BLOCK_INLINE; + file->off = file->pos; + } + + file->flags |= LFS_F_WRITING; + } + + // program as much as we can in current block + lfs_size_t diff = lfs_min(nsize, lfs->cfg->block_size - file->off); + while (true) { + int err = lfs_bd_prog(lfs, &file->cache, &lfs->rcache, true, + file->block, file->off, data, diff); + if (err) { + if (err == LFS_ERR_CORRUPT) { + goto relocate; + } + file->flags |= LFS_F_ERRED; + return err; + } + + break; +relocate: + err = lfs_file_relocate(lfs, file); + if (err) { + file->flags |= LFS_F_ERRED; + return err; + } + } + + file->pos += diff; + file->off += diff; + data += diff; + nsize -= diff; + + lfs_alloc_ckpoint(lfs); + } + + return size; +} + +static lfs_ssize_t lfs_file_write_(lfs_t *lfs, lfs_file_t *file, + const void *buffer, lfs_size_t size) { + LFS_ASSERT((file->flags & LFS_O_WRONLY) == LFS_O_WRONLY); + + if (file->flags & LFS_F_READING) { + // drop any reads + int err = lfs_file_flush(lfs, file); + if (err) { + return err; + } + } + + if ((file->flags & LFS_O_APPEND) && file->pos < file->ctz.size) { + file->pos = file->ctz.size; + } + + if (file->pos + size > lfs->file_max) { + // Larger than file limit? + return LFS_ERR_FBIG; + } + + if (!(file->flags & LFS_F_WRITING) && file->pos > file->ctz.size) { + // fill with zeros + lfs_off_t pos = file->pos; + file->pos = file->ctz.size; + + while (file->pos < pos) { + lfs_ssize_t res = lfs_file_flushedwrite(lfs, file, &(uint8_t){0}, 1); + if (res < 0) { + return res; + } + } + } + + lfs_ssize_t nsize = lfs_file_flushedwrite(lfs, file, buffer, size); + if (nsize < 0) { + return nsize; + } + + file->flags &= ~LFS_F_ERRED; + return nsize; +} +#endif + +static lfs_soff_t lfs_file_seek_(lfs_t *lfs, lfs_file_t *file, + lfs_soff_t off, int whence) { + // find new pos + // + // fortunately for us, littlefs is limited to 31-bit file sizes, so we + // don't have to worry too much about integer overflow + lfs_off_t npos = file->pos; + if (whence == LFS_SEEK_SET) { + npos = off; + } else if (whence == LFS_SEEK_CUR) { + npos = file->pos + (lfs_off_t)off; + } else if (whence == LFS_SEEK_END) { + npos = (lfs_off_t)lfs_file_size_(lfs, file) + (lfs_off_t)off; + } + + if (npos > lfs->file_max) { + // file position out of range + return LFS_ERR_INVAL; + } + + if (file->pos == npos) { + // noop - position has not changed + return npos; + } + + // if we're only reading and our new offset is still in the file's cache + // we can avoid flushing and needing to reread the data + if ((file->flags & LFS_F_READING) + && file->off != lfs->cfg->block_size) { + int oindex = lfs_ctz_index(lfs, &(lfs_off_t){file->pos}); + lfs_off_t noff = npos; + int nindex = lfs_ctz_index(lfs, &noff); + if (oindex == nindex + && noff >= file->cache.off + && noff < file->cache.off + file->cache.size) { + file->pos = npos; + file->off = noff; + return npos; + } + } + + // write out everything beforehand, may be noop if rdonly + int err = lfs_file_flush(lfs, file); + if (err) { + return err; + } + + // update pos + file->pos = npos; + return npos; +} + +#ifndef LFS_READONLY +static int lfs_file_truncate_(lfs_t *lfs, lfs_file_t *file, lfs_off_t size) { + LFS_ASSERT((file->flags & LFS_O_WRONLY) == LFS_O_WRONLY); + + if (size > LFS_FILE_MAX) { + return LFS_ERR_INVAL; + } + + lfs_off_t pos = file->pos; + lfs_off_t oldsize = lfs_file_size_(lfs, file); + if (size < oldsize) { + // revert to inline file? + if (size <= lfs->inline_max) { + // flush+seek to head + lfs_soff_t res = lfs_file_seek_(lfs, file, 0, LFS_SEEK_SET); + if (res < 0) { + return (int)res; + } + + // read our data into rcache temporarily + lfs_cache_drop(lfs, &lfs->rcache); + res = lfs_file_flushedread(lfs, file, + lfs->rcache.buffer, size); + if (res < 0) { + return (int)res; + } + + file->ctz.head = LFS_BLOCK_INLINE; + file->ctz.size = size; + file->flags |= LFS_F_DIRTY | LFS_F_READING | LFS_F_INLINE; + file->cache.block = file->ctz.head; + file->cache.off = 0; + file->cache.size = lfs->cfg->cache_size; + memcpy(file->cache.buffer, lfs->rcache.buffer, size); + + } else { + // need to flush since directly changing metadata + int err = lfs_file_flush(lfs, file); + if (err) { + return err; + } + + // lookup new head in ctz skip list + err = lfs_ctz_find(lfs, NULL, &file->cache, + file->ctz.head, file->ctz.size, + size-1, &file->block, &(lfs_off_t){0}); + if (err) { + return err; + } + + // need to set pos/block/off consistently so seeking back to + // the old position does not get confused + file->pos = size; + file->ctz.head = file->block; + file->ctz.size = size; + file->flags |= LFS_F_DIRTY | LFS_F_READING; + } + } else if (size > oldsize) { + // flush+seek if not already at end + lfs_soff_t res = lfs_file_seek_(lfs, file, 0, LFS_SEEK_END); + if (res < 0) { + return (int)res; + } + + // fill with zeros + while (file->pos < size) { + res = lfs_file_write_(lfs, file, &(uint8_t){0}, 1); + if (res < 0) { + return (int)res; + } + } + } + + // restore pos + lfs_soff_t res = lfs_file_seek_(lfs, file, pos, LFS_SEEK_SET); + if (res < 0) { + return (int)res; + } + + return 0; +} +#endif + +static lfs_soff_t lfs_file_tell_(lfs_t *lfs, lfs_file_t *file) { + (void)lfs; + return file->pos; +} + +static int lfs_file_rewind_(lfs_t *lfs, lfs_file_t *file) { + lfs_soff_t res = lfs_file_seek_(lfs, file, 0, LFS_SEEK_SET); + if (res < 0) { + return (int)res; + } + + return 0; +} + +static lfs_soff_t lfs_file_size_(lfs_t *lfs, lfs_file_t *file) { + (void)lfs; + +#ifndef LFS_READONLY + if (file->flags & LFS_F_WRITING) { + return lfs_max(file->pos, file->ctz.size); + } +#endif + + return file->ctz.size; +} + + +/// General fs operations /// +static int lfs_stat_(lfs_t *lfs, const char *path, struct lfs_info *info) { + lfs_mdir_t cwd; + lfs_stag_t tag = lfs_dir_find(lfs, &cwd, &path, NULL); + if (tag < 0) { + return (int)tag; + } + + // only allow trailing slashes on dirs + if (strchr(path, '/') != NULL + && lfs_tag_type3(tag) != LFS_TYPE_DIR) { + return LFS_ERR_NOTDIR; + } + + return lfs_dir_getinfo(lfs, &cwd, lfs_tag_id(tag), info); +} + +#ifndef LFS_READONLY +static int lfs_remove_(lfs_t *lfs, const char *path) { + // deorphan if we haven't yet, needed at most once after poweron + int err = lfs_fs_forceconsistency(lfs); + if (err) { + return err; + } + + lfs_mdir_t cwd; + lfs_stag_t tag = lfs_dir_find(lfs, &cwd, &path, NULL); + if (tag < 0 || lfs_tag_id(tag) == 0x3ff) { + return (tag < 0) ? (int)tag : LFS_ERR_INVAL; + } + + struct lfs_mlist dir; + dir.next = lfs->mlist; + if (lfs_tag_type3(tag) == LFS_TYPE_DIR) { + // must be empty before removal + lfs_block_t pair[2]; + lfs_stag_t res = lfs_dir_get(lfs, &cwd, LFS_MKTAG(0x700, 0x3ff, 0), + LFS_MKTAG(LFS_TYPE_STRUCT, lfs_tag_id(tag), 8), pair); + if (res < 0) { + return (int)res; + } + lfs_pair_fromle32(pair); + + err = lfs_dir_fetch(lfs, &dir.m, pair); + if (err) { + return err; + } + + if (dir.m.count > 0 || dir.m.split) { + return LFS_ERR_NOTEMPTY; + } + + // mark fs as orphaned + err = lfs_fs_preporphans(lfs, +1); + if (err) { + return err; + } + + // I know it's crazy but yes, dir can be changed by our parent's + // commit (if predecessor is child) + dir.type = 0; + dir.id = 0; + lfs->mlist = &dir; + } + + // delete the entry + err = lfs_dir_commit(lfs, &cwd, LFS_MKATTRS( + {LFS_MKTAG(LFS_TYPE_DELETE, lfs_tag_id(tag), 0), NULL})); + if (err) { + lfs->mlist = dir.next; + return err; + } + + lfs->mlist = dir.next; + if (lfs_tag_type3(tag) == LFS_TYPE_DIR) { + // fix orphan + err = lfs_fs_preporphans(lfs, -1); + if (err) { + return err; + } + + err = lfs_fs_pred(lfs, dir.m.pair, &cwd); + if (err) { + return err; + } + + err = lfs_dir_drop(lfs, &cwd, &dir.m); + if (err) { + return err; + } + } + + return 0; +} +#endif + +#ifndef LFS_READONLY +static int lfs_rename_(lfs_t *lfs, const char *oldpath, const char *newpath) { + // deorphan if we haven't yet, needed at most once after poweron + int err = lfs_fs_forceconsistency(lfs); + if (err) { + return err; + } + + // find old entry + lfs_mdir_t oldcwd; + lfs_stag_t oldtag = lfs_dir_find(lfs, &oldcwd, &oldpath, NULL); + if (oldtag < 0 || lfs_tag_id(oldtag) == 0x3ff) { + return (oldtag < 0) ? (int)oldtag : LFS_ERR_INVAL; + } + + // find new entry + lfs_mdir_t newcwd; + uint16_t newid; + lfs_stag_t prevtag = lfs_dir_find(lfs, &newcwd, &newpath, &newid); + if ((prevtag < 0 || lfs_tag_id(prevtag) == 0x3ff) && + !(prevtag == LFS_ERR_NOENT && lfs_path_islast(newpath))) { + return (prevtag < 0) ? (int)prevtag : LFS_ERR_INVAL; + } + + // if we're in the same pair there's a few special cases... + bool samepair = (lfs_pair_cmp(oldcwd.pair, newcwd.pair) == 0); + uint16_t newoldid = lfs_tag_id(oldtag); + + struct lfs_mlist prevdir; + prevdir.next = lfs->mlist; + if (prevtag == LFS_ERR_NOENT) { + // if we're a file, don't allow trailing slashes + if (lfs_path_isdir(newpath) + && lfs_tag_type3(oldtag) != LFS_TYPE_DIR) { + return LFS_ERR_NOTDIR; + } + + // check that name fits + lfs_size_t nlen = lfs_path_namelen(newpath); + if (nlen > lfs->name_max) { + return LFS_ERR_NAMETOOLONG; + } + + // there is a small chance we are being renamed in the same + // directory/ to an id less than our old id, the global update + // to handle this is a bit messy + if (samepair && newid <= newoldid) { + newoldid += 1; + } + } else if (lfs_tag_type3(prevtag) != lfs_tag_type3(oldtag)) { + return (lfs_tag_type3(prevtag) == LFS_TYPE_DIR) + ? LFS_ERR_ISDIR + : LFS_ERR_NOTDIR; + } else if (samepair && newid == newoldid) { + // we're renaming to ourselves?? + return 0; + } else if (lfs_tag_type3(prevtag) == LFS_TYPE_DIR) { + // must be empty before removal + lfs_block_t prevpair[2]; + lfs_stag_t res = lfs_dir_get(lfs, &newcwd, LFS_MKTAG(0x700, 0x3ff, 0), + LFS_MKTAG(LFS_TYPE_STRUCT, newid, 8), prevpair); + if (res < 0) { + return (int)res; + } + lfs_pair_fromle32(prevpair); + + // must be empty before removal + err = lfs_dir_fetch(lfs, &prevdir.m, prevpair); + if (err) { + return err; + } + + if (prevdir.m.count > 0 || prevdir.m.split) { + return LFS_ERR_NOTEMPTY; + } + + // mark fs as orphaned + err = lfs_fs_preporphans(lfs, +1); + if (err) { + return err; + } + + // I know it's crazy but yes, dir can be changed by our parent's + // commit (if predecessor is child) + prevdir.type = 0; + prevdir.id = 0; + lfs->mlist = &prevdir; + } + + if (!samepair) { + lfs_fs_prepmove(lfs, newoldid, oldcwd.pair); + } + + // move over all attributes + err = lfs_dir_commit(lfs, &newcwd, LFS_MKATTRS( + {LFS_MKTAG_IF(prevtag != LFS_ERR_NOENT, + LFS_TYPE_DELETE, newid, 0), NULL}, + {LFS_MKTAG(LFS_TYPE_CREATE, newid, 0), NULL}, + {LFS_MKTAG(lfs_tag_type3(oldtag), + newid, lfs_path_namelen(newpath)), newpath}, + {LFS_MKTAG(LFS_FROM_MOVE, newid, lfs_tag_id(oldtag)), &oldcwd}, + {LFS_MKTAG_IF(samepair, + LFS_TYPE_DELETE, newoldid, 0), NULL})); + if (err) { + lfs->mlist = prevdir.next; + return err; + } + + // let commit clean up after move (if we're different! otherwise move + // logic already fixed it for us) + if (!samepair && lfs_gstate_hasmove(&lfs->gstate)) { + // prep gstate and delete move id + lfs_fs_prepmove(lfs, 0x3ff, NULL); + err = lfs_dir_commit(lfs, &oldcwd, LFS_MKATTRS( + {LFS_MKTAG(LFS_TYPE_DELETE, lfs_tag_id(oldtag), 0), NULL})); + if (err) { + lfs->mlist = prevdir.next; + return err; + } + } + + lfs->mlist = prevdir.next; + if (prevtag != LFS_ERR_NOENT + && lfs_tag_type3(prevtag) == LFS_TYPE_DIR) { + // fix orphan + err = lfs_fs_preporphans(lfs, -1); + if (err) { + return err; + } + + err = lfs_fs_pred(lfs, prevdir.m.pair, &newcwd); + if (err) { + return err; + } + + err = lfs_dir_drop(lfs, &newcwd, &prevdir.m); + if (err) { + return err; + } + } + + return 0; +} +#endif + +static lfs_ssize_t lfs_getattr_(lfs_t *lfs, const char *path, + uint8_t type, void *buffer, lfs_size_t size) { + lfs_mdir_t cwd; + lfs_stag_t tag = lfs_dir_find(lfs, &cwd, &path, NULL); + if (tag < 0) { + return tag; + } + + uint16_t id = lfs_tag_id(tag); + if (id == 0x3ff) { + // special case for root + id = 0; + int err = lfs_dir_fetch(lfs, &cwd, lfs->root); + if (err) { + return err; + } + } + + tag = lfs_dir_get(lfs, &cwd, LFS_MKTAG(0x7ff, 0x3ff, 0), + LFS_MKTAG(LFS_TYPE_USERATTR + type, + id, lfs_min(size, lfs->attr_max)), + buffer); + if (tag < 0) { + if (tag == LFS_ERR_NOENT) { + return LFS_ERR_NOATTR; + } + + return tag; + } + + return lfs_tag_size(tag); +} + +#ifndef LFS_READONLY +static int lfs_commitattr(lfs_t *lfs, const char *path, + uint8_t type, const void *buffer, lfs_size_t size) { + lfs_mdir_t cwd; + lfs_stag_t tag = lfs_dir_find(lfs, &cwd, &path, NULL); + if (tag < 0) { + return tag; + } + + uint16_t id = lfs_tag_id(tag); + if (id == 0x3ff) { + // special case for root + id = 0; + int err = lfs_dir_fetch(lfs, &cwd, lfs->root); + if (err) { + return err; + } + } + + return lfs_dir_commit(lfs, &cwd, LFS_MKATTRS( + {LFS_MKTAG(LFS_TYPE_USERATTR + type, id, size), buffer})); +} +#endif + +#ifndef LFS_READONLY +static int lfs_setattr_(lfs_t *lfs, const char *path, + uint8_t type, const void *buffer, lfs_size_t size) { + if (size > lfs->attr_max) { + return LFS_ERR_NOSPC; + } + + return lfs_commitattr(lfs, path, type, buffer, size); +} +#endif + +#ifndef LFS_READONLY +static int lfs_removeattr_(lfs_t *lfs, const char *path, uint8_t type) { + return lfs_commitattr(lfs, path, type, NULL, 0x3ff); +} +#endif + + +/// Filesystem operations /// + +// compile time checks, see lfs.h for why these limits exist +#if LFS_NAME_MAX > 1022 +#error "Invalid LFS_NAME_MAX, must be <= 1022" +#endif + +#if LFS_FILE_MAX > 2147483647 +#error "Invalid LFS_FILE_MAX, must be <= 2147483647" +#endif + +#if LFS_ATTR_MAX > 1022 +#error "Invalid LFS_ATTR_MAX, must be <= 1022" +#endif + +// common filesystem initialization +static int lfs_init(lfs_t *lfs, const struct lfs_config *cfg) { + lfs->cfg = cfg; + lfs->block_count = cfg->block_count; // May be 0 + int err = 0; + +#ifdef LFS_MULTIVERSION + // this driver only supports minor version < current minor version + LFS_ASSERT(!lfs->cfg->disk_version || ( + (0xffff & (lfs->cfg->disk_version >> 16)) + == LFS_DISK_VERSION_MAJOR + && (0xffff & (lfs->cfg->disk_version >> 0)) + <= LFS_DISK_VERSION_MINOR)); +#endif + + // check that bool is a truthy-preserving type + // + // note the most common reason for this failure is a before-c99 compiler, + // which littlefs currently does not support + LFS_ASSERT((bool)0x80000000); + + // check that the required io functions are provided + LFS_ASSERT(lfs->cfg->read != NULL); +#ifndef LFS_READONLY + LFS_ASSERT(lfs->cfg->prog != NULL); + LFS_ASSERT(lfs->cfg->erase != NULL); + LFS_ASSERT(lfs->cfg->sync != NULL); +#endif + + // validate that the lfs-cfg sizes were initiated properly before + // performing any arithmetic logics with them + LFS_ASSERT(lfs->cfg->read_size != 0); + LFS_ASSERT(lfs->cfg->prog_size != 0); + LFS_ASSERT(lfs->cfg->cache_size != 0); + + // check that block size is a multiple of cache size is a multiple + // of prog and read sizes + LFS_ASSERT(lfs->cfg->cache_size % lfs->cfg->read_size == 0); + LFS_ASSERT(lfs->cfg->cache_size % lfs->cfg->prog_size == 0); + LFS_ASSERT(lfs->cfg->block_size % lfs->cfg->cache_size == 0); + + // check that the block size is large enough to fit all ctz pointers + LFS_ASSERT(lfs->cfg->block_size >= 128); + // this is the exact calculation for all ctz pointers, if this fails + // and the simpler assert above does not, math must be broken + LFS_ASSERT(4*lfs_npw2(0xffffffff / (lfs->cfg->block_size-2*4)) + <= lfs->cfg->block_size); + + // block_cycles = 0 is no longer supported. + // + // block_cycles is the number of erase cycles before littlefs evicts + // metadata logs as a part of wear leveling. Suggested values are in the + // range of 100-1000, or set block_cycles to -1 to disable block-level + // wear-leveling. + LFS_ASSERT(lfs->cfg->block_cycles != 0); + + // check that compact_thresh makes sense + // + // metadata can't be compacted below block_size/2, and metadata can't + // exceed a block_size + LFS_ASSERT(lfs->cfg->compact_thresh == 0 + || lfs->cfg->compact_thresh >= lfs->cfg->block_size/2); + LFS_ASSERT(lfs->cfg->compact_thresh == (lfs_size_t)-1 + || lfs->cfg->compact_thresh <= lfs->cfg->block_size); + + // check that metadata_max is a multiple of read_size and prog_size, + // and a factor of the block_size + LFS_ASSERT(!lfs->cfg->metadata_max + || lfs->cfg->metadata_max % lfs->cfg->read_size == 0); + LFS_ASSERT(!lfs->cfg->metadata_max + || lfs->cfg->metadata_max % lfs->cfg->prog_size == 0); + LFS_ASSERT(!lfs->cfg->metadata_max + || lfs->cfg->block_size % lfs->cfg->metadata_max == 0); + + // setup read cache + if (lfs->cfg->read_buffer) { + lfs->rcache.buffer = lfs->cfg->read_buffer; + } else { + lfs->rcache.buffer = lfs_malloc(lfs->cfg->cache_size); + if (!lfs->rcache.buffer) { + err = LFS_ERR_NOMEM; + goto cleanup; + } + } + + // setup program cache + if (lfs->cfg->prog_buffer) { + lfs->pcache.buffer = lfs->cfg->prog_buffer; + } else { + lfs->pcache.buffer = lfs_malloc(lfs->cfg->cache_size); + if (!lfs->pcache.buffer) { + err = LFS_ERR_NOMEM; + goto cleanup; + } + } + + // zero to avoid information leaks + lfs_cache_zero(lfs, &lfs->rcache); + lfs_cache_zero(lfs, &lfs->pcache); + + // setup lookahead buffer, note mount finishes initializing this after + // we establish a decent pseudo-random seed + LFS_ASSERT(lfs->cfg->lookahead_size > 0); + if (lfs->cfg->lookahead_buffer) { + lfs->lookahead.buffer = lfs->cfg->lookahead_buffer; + } else { + lfs->lookahead.buffer = lfs_malloc(lfs->cfg->lookahead_size); + if (!lfs->lookahead.buffer) { + err = LFS_ERR_NOMEM; + goto cleanup; + } + } + + // check that the size limits are sane + LFS_ASSERT(lfs->cfg->name_max <= LFS_NAME_MAX); + lfs->name_max = lfs->cfg->name_max; + if (!lfs->name_max) { + lfs->name_max = LFS_NAME_MAX; + } + + LFS_ASSERT(lfs->cfg->file_max <= LFS_FILE_MAX); + lfs->file_max = lfs->cfg->file_max; + if (!lfs->file_max) { + lfs->file_max = LFS_FILE_MAX; + } + + LFS_ASSERT(lfs->cfg->attr_max <= LFS_ATTR_MAX); + lfs->attr_max = lfs->cfg->attr_max; + if (!lfs->attr_max) { + lfs->attr_max = LFS_ATTR_MAX; + } + + LFS_ASSERT(lfs->cfg->metadata_max <= lfs->cfg->block_size); + + LFS_ASSERT(lfs->cfg->inline_max == (lfs_size_t)-1 + || lfs->cfg->inline_max <= lfs->cfg->cache_size); + LFS_ASSERT(lfs->cfg->inline_max == (lfs_size_t)-1 + || lfs->cfg->inline_max <= lfs->attr_max); + LFS_ASSERT(lfs->cfg->inline_max == (lfs_size_t)-1 + || lfs->cfg->inline_max <= ((lfs->cfg->metadata_max) + ? lfs->cfg->metadata_max + : lfs->cfg->block_size)/8); + lfs->inline_max = lfs->cfg->inline_max; + if (lfs->inline_max == (lfs_size_t)-1) { + lfs->inline_max = 0; + } else if (lfs->inline_max == 0) { + lfs->inline_max = lfs_min( + lfs->cfg->cache_size, + lfs_min( + lfs->attr_max, + ((lfs->cfg->metadata_max) + ? lfs->cfg->metadata_max + : lfs->cfg->block_size)/8)); + } + + // setup default state + lfs->root[0] = LFS_BLOCK_NULL; + lfs->root[1] = LFS_BLOCK_NULL; + lfs->mlist = NULL; + lfs->seed = 0; + lfs->gdisk = (lfs_gstate_t){0}; + lfs->gstate = (lfs_gstate_t){0}; + lfs->gdelta = (lfs_gstate_t){0}; +#ifdef LFS_MIGRATE + lfs->lfs1 = NULL; +#endif + + return 0; + +cleanup: + lfs_deinit(lfs); + return err; +} + +static int lfs_deinit(lfs_t *lfs) { + // free allocated memory + if (!lfs->cfg->read_buffer) { + lfs_free(lfs->rcache.buffer); + } + + if (!lfs->cfg->prog_buffer) { + lfs_free(lfs->pcache.buffer); + } + + if (!lfs->cfg->lookahead_buffer) { + lfs_free(lfs->lookahead.buffer); + } + + return 0; +} + + + +#ifndef LFS_READONLY +static int lfs_format_(lfs_t *lfs, const struct lfs_config *cfg) { + int err = 0; + { + err = lfs_init(lfs, cfg); + if (err) { + return err; + } + + LFS_ASSERT(cfg->block_count != 0); + + // create free lookahead + memset(lfs->lookahead.buffer, 0, lfs->cfg->lookahead_size); + lfs->lookahead.start = 0; + lfs->lookahead.size = lfs_min(8*lfs->cfg->lookahead_size, + lfs->block_count); + lfs->lookahead.next = 0; + lfs_alloc_ckpoint(lfs); + + // create root dir + lfs_mdir_t root; + err = lfs_dir_alloc(lfs, &root); + if (err) { + goto cleanup; + } + + // write one superblock + lfs_superblock_t superblock = { + .version = lfs_fs_disk_version(lfs), + .block_size = lfs->cfg->block_size, + .block_count = lfs->block_count, + .name_max = lfs->name_max, + .file_max = lfs->file_max, + .attr_max = lfs->attr_max, + }; + + lfs_superblock_tole32(&superblock); + err = lfs_dir_commit(lfs, &root, LFS_MKATTRS( + {LFS_MKTAG(LFS_TYPE_CREATE, 0, 0), NULL}, + {LFS_MKTAG(LFS_TYPE_SUPERBLOCK, 0, 8), "littlefs"}, + {LFS_MKTAG(LFS_TYPE_INLINESTRUCT, 0, sizeof(superblock)), + &superblock})); + if (err) { + goto cleanup; + } + + // force compaction to prevent accidentally mounting any + // older version of littlefs that may live on disk + root.erased = false; + err = lfs_dir_commit(lfs, &root, NULL, 0); + if (err) { + goto cleanup; + } + + // sanity check that fetch works + err = lfs_dir_fetch(lfs, &root, (const lfs_block_t[2]){0, 1}); + if (err) { + goto cleanup; + } + } + +cleanup: + lfs_deinit(lfs); + return err; + +} +#endif + +struct lfs_tortoise_t { + lfs_block_t pair[2]; + lfs_size_t i; + lfs_size_t period; +}; + +static int lfs_tortoise_detectcycles( + const lfs_mdir_t *dir, struct lfs_tortoise_t *tortoise) { + // detect cycles with Brent's algorithm + if (lfs_pair_issync(dir->tail, tortoise->pair)) { + LFS_WARN("Cycle detected in tail list"); + return LFS_ERR_CORRUPT; + } + if (tortoise->i == tortoise->period) { + tortoise->pair[0] = dir->tail[0]; + tortoise->pair[1] = dir->tail[1]; + tortoise->i = 0; + tortoise->period *= 2; + } + tortoise->i += 1; + + return LFS_ERR_OK; +} + +static int lfs_mount_(lfs_t *lfs, const struct lfs_config *cfg) { + int err = lfs_init(lfs, cfg); + if (err) { + return err; + } + + // scan directory blocks for superblock and any global updates + lfs_mdir_t dir = {.tail = {0, 1}}; + struct lfs_tortoise_t tortoise = { + .pair = {LFS_BLOCK_NULL, LFS_BLOCK_NULL}, + .i = 1, + .period = 1, + }; + while (!lfs_pair_isnull(dir.tail)) { + err = lfs_tortoise_detectcycles(&dir, &tortoise); + if (err < 0) { + goto cleanup; + } + + // fetch next block in tail list + lfs_stag_t tag = lfs_dir_fetchmatch(lfs, &dir, dir.tail, + LFS_MKTAG(0x7ff, 0x3ff, 0), + LFS_MKTAG(LFS_TYPE_SUPERBLOCK, 0, 8), + NULL, + lfs_dir_find_match, &(struct lfs_dir_find_match){ + lfs, "littlefs", 8}); + if (tag < 0) { + err = tag; + goto cleanup; + } + + // has superblock? + if (tag && !lfs_tag_isdelete(tag)) { + // update root + lfs->root[0] = dir.pair[0]; + lfs->root[1] = dir.pair[1]; + + // grab superblock + lfs_superblock_t superblock; + tag = lfs_dir_get(lfs, &dir, LFS_MKTAG(0x7ff, 0x3ff, 0), + LFS_MKTAG(LFS_TYPE_INLINESTRUCT, 0, sizeof(superblock)), + &superblock); + if (tag < 0) { + err = tag; + goto cleanup; + } + lfs_superblock_fromle32(&superblock); + + // check version + uint16_t major_version = (0xffff & (superblock.version >> 16)); + uint16_t minor_version = (0xffff & (superblock.version >> 0)); + if (major_version != lfs_fs_disk_version_major(lfs) + || minor_version > lfs_fs_disk_version_minor(lfs)) { + LFS_ERROR("Invalid version " + "v%"PRIu16".%"PRIu16" != v%"PRIu16".%"PRIu16, + major_version, + minor_version, + lfs_fs_disk_version_major(lfs), + lfs_fs_disk_version_minor(lfs)); + err = LFS_ERR_INVAL; + goto cleanup; + } + + // found older minor version? set an in-device only bit in the + // gstate so we know we need to rewrite the superblock before + // the first write + bool needssuperblock = false; + if (minor_version < lfs_fs_disk_version_minor(lfs)) { + LFS_DEBUG("Found older minor version " + "v%"PRIu16".%"PRIu16" < v%"PRIu16".%"PRIu16, + major_version, + minor_version, + lfs_fs_disk_version_major(lfs), + lfs_fs_disk_version_minor(lfs)); + needssuperblock = true; + } + // note this bit is reserved on disk, so fetching more gstate + // will not interfere here + lfs_fs_prepsuperblock(lfs, needssuperblock); + + // check superblock configuration + if (superblock.name_max) { + if (superblock.name_max > lfs->name_max) { + LFS_ERROR("Unsupported name_max (%"PRIu32" > %"PRIu32")", + superblock.name_max, lfs->name_max); + err = LFS_ERR_INVAL; + goto cleanup; + } + + lfs->name_max = superblock.name_max; + } + + if (superblock.file_max) { + if (superblock.file_max > lfs->file_max) { + LFS_ERROR("Unsupported file_max (%"PRIu32" > %"PRIu32")", + superblock.file_max, lfs->file_max); + err = LFS_ERR_INVAL; + goto cleanup; + } + + lfs->file_max = superblock.file_max; + } + + if (superblock.attr_max) { + if (superblock.attr_max > lfs->attr_max) { + LFS_ERROR("Unsupported attr_max (%"PRIu32" > %"PRIu32")", + superblock.attr_max, lfs->attr_max); + err = LFS_ERR_INVAL; + goto cleanup; + } + + lfs->attr_max = superblock.attr_max; + + // we also need to update inline_max in case attr_max changed + lfs->inline_max = lfs_min(lfs->inline_max, lfs->attr_max); + } + + // this is where we get the block_count from disk if block_count=0 + if (lfs->cfg->block_count + && superblock.block_count != lfs->cfg->block_count) { + LFS_ERROR("Invalid block count (%"PRIu32" != %"PRIu32")", + superblock.block_count, lfs->cfg->block_count); + err = LFS_ERR_INVAL; + goto cleanup; + } + + lfs->block_count = superblock.block_count; + + if (superblock.block_size != lfs->cfg->block_size) { + LFS_ERROR("Invalid block size (%"PRIu32" != %"PRIu32")", + superblock.block_size, lfs->cfg->block_size); + err = LFS_ERR_INVAL; + goto cleanup; + } + } + + // has gstate? + err = lfs_dir_getgstate(lfs, &dir, &lfs->gstate); + if (err) { + goto cleanup; + } + } + + // update littlefs with gstate + if (!lfs_gstate_iszero(&lfs->gstate)) { + LFS_DEBUG("Found pending gstate 0x%08"PRIx32"%08"PRIx32"%08"PRIx32, + lfs->gstate.tag, + lfs->gstate.pair[0], + lfs->gstate.pair[1]); + } + lfs->gstate.tag += !lfs_tag_isvalid(lfs->gstate.tag); + lfs->gdisk = lfs->gstate; + + // setup free lookahead, to distribute allocations uniformly across + // boots, we start the allocator at a random location + lfs->lookahead.start = lfs->seed % lfs->block_count; + lfs_alloc_drop(lfs); + + return 0; + +cleanup: + lfs_unmount_(lfs); + return err; +} + +static int lfs_unmount_(lfs_t *lfs) { + return lfs_deinit(lfs); +} + + +/// Filesystem filesystem operations /// +static int lfs_fs_stat_(lfs_t *lfs, struct lfs_fsinfo *fsinfo) { + // if the superblock is up-to-date, we must be on the most recent + // minor version of littlefs + if (!lfs_gstate_needssuperblock(&lfs->gstate)) { + fsinfo->disk_version = lfs_fs_disk_version(lfs); + + // otherwise we need to read the minor version on disk + } else { + // fetch the superblock + lfs_mdir_t dir; + int err = lfs_dir_fetch(lfs, &dir, lfs->root); + if (err) { + return err; + } + + lfs_superblock_t superblock; + lfs_stag_t tag = lfs_dir_get(lfs, &dir, LFS_MKTAG(0x7ff, 0x3ff, 0), + LFS_MKTAG(LFS_TYPE_INLINESTRUCT, 0, sizeof(superblock)), + &superblock); + if (tag < 0) { + return tag; + } + lfs_superblock_fromle32(&superblock); + + // read the on-disk version + fsinfo->disk_version = superblock.version; + } + + // filesystem geometry + fsinfo->block_size = lfs->cfg->block_size; + fsinfo->block_count = lfs->block_count; + + // other on-disk configuration, we cache all of these for internal use + fsinfo->name_max = lfs->name_max; + fsinfo->file_max = lfs->file_max; + fsinfo->attr_max = lfs->attr_max; + + return 0; +} + +int lfs_fs_traverse_(lfs_t *lfs, + int (*cb)(void *data, lfs_block_t block), void *data, + bool includeorphans) { + // iterate over metadata pairs + lfs_mdir_t dir = {.tail = {0, 1}}; + +#ifdef LFS_MIGRATE + // also consider v1 blocks during migration + if (lfs->lfs1) { + int err = lfs1_traverse(lfs, cb, data); + if (err) { + return err; + } + + dir.tail[0] = lfs->root[0]; + dir.tail[1] = lfs->root[1]; + } +#endif + + struct lfs_tortoise_t tortoise = { + .pair = {LFS_BLOCK_NULL, LFS_BLOCK_NULL}, + .i = 1, + .period = 1, + }; + int err = LFS_ERR_OK; + while (!lfs_pair_isnull(dir.tail)) { + err = lfs_tortoise_detectcycles(&dir, &tortoise); + if (err < 0) { + return LFS_ERR_CORRUPT; + } + + for (int i = 0; i < 2; i++) { + int err = cb(data, dir.tail[i]); + if (err) { + return err; + } + } + + // iterate through ids in directory + int err = lfs_dir_fetch(lfs, &dir, dir.tail); + if (err) { + return err; + } + + for (uint16_t id = 0; id < dir.count; id++) { + struct lfs_ctz ctz; + lfs_stag_t tag = lfs_dir_get(lfs, &dir, LFS_MKTAG(0x700, 0x3ff, 0), + LFS_MKTAG(LFS_TYPE_STRUCT, id, sizeof(ctz)), &ctz); + if (tag < 0) { + if (tag == LFS_ERR_NOENT) { + continue; + } + return tag; + } + lfs_ctz_fromle32(&ctz); + + if (lfs_tag_type3(tag) == LFS_TYPE_CTZSTRUCT) { + err = lfs_ctz_traverse(lfs, NULL, &lfs->rcache, + ctz.head, ctz.size, cb, data); + if (err) { + return err; + } + } else if (includeorphans && + lfs_tag_type3(tag) == LFS_TYPE_DIRSTRUCT) { + for (int i = 0; i < 2; i++) { + err = cb(data, (&ctz.head)[i]); + if (err) { + return err; + } + } + } + } + } + +#ifndef LFS_READONLY + // iterate over any open files + for (lfs_file_t *f = (lfs_file_t*)lfs->mlist; f; f = f->next) { + if (f->type != LFS_TYPE_REG) { + continue; + } + + if ((f->flags & LFS_F_DIRTY) && !(f->flags & LFS_F_INLINE)) { + int err = lfs_ctz_traverse(lfs, &f->cache, &lfs->rcache, + f->ctz.head, f->ctz.size, cb, data); + if (err) { + return err; + } + } + + if ((f->flags & LFS_F_WRITING) && !(f->flags & LFS_F_INLINE)) { + int err = lfs_ctz_traverse(lfs, &f->cache, &lfs->rcache, + f->block, f->pos, cb, data); + if (err) { + return err; + } + } + } +#endif + + return 0; +} + +#ifndef LFS_READONLY +static int lfs_fs_pred(lfs_t *lfs, + const lfs_block_t pair[2], lfs_mdir_t *pdir) { + // iterate over all directory directory entries + pdir->tail[0] = 0; + pdir->tail[1] = 1; + struct lfs_tortoise_t tortoise = { + .pair = {LFS_BLOCK_NULL, LFS_BLOCK_NULL}, + .i = 1, + .period = 1, + }; + int err = LFS_ERR_OK; + while (!lfs_pair_isnull(pdir->tail)) { + err = lfs_tortoise_detectcycles(pdir, &tortoise); + if (err < 0) { + return LFS_ERR_CORRUPT; + } + + if (lfs_pair_cmp(pdir->tail, pair) == 0) { + return 0; + } + + int err = lfs_dir_fetch(lfs, pdir, pdir->tail); + if (err) { + return err; + } + } + + return LFS_ERR_NOENT; +} +#endif + +#ifndef LFS_READONLY +struct lfs_fs_parent_match { + lfs_t *lfs; + const lfs_block_t pair[2]; +}; +#endif + +#ifndef LFS_READONLY +static int lfs_fs_parent_match(void *data, + lfs_tag_t tag, const void *buffer) { + struct lfs_fs_parent_match *find = data; + lfs_t *lfs = find->lfs; + const struct lfs_diskoff *disk = buffer; + (void)tag; + + lfs_block_t child[2]; + int err = lfs_bd_read(lfs, + &lfs->pcache, &lfs->rcache, lfs->cfg->block_size, + disk->block, disk->off, &child, sizeof(child)); + if (err) { + return err; + } + + lfs_pair_fromle32(child); + return (lfs_pair_cmp(child, find->pair) == 0) ? LFS_CMP_EQ : LFS_CMP_LT; +} +#endif + +#ifndef LFS_READONLY +static lfs_stag_t lfs_fs_parent(lfs_t *lfs, const lfs_block_t pair[2], + lfs_mdir_t *parent) { + // use fetchmatch with callback to find pairs + parent->tail[0] = 0; + parent->tail[1] = 1; + struct lfs_tortoise_t tortoise = { + .pair = {LFS_BLOCK_NULL, LFS_BLOCK_NULL}, + .i = 1, + .period = 1, + }; + int err = LFS_ERR_OK; + while (!lfs_pair_isnull(parent->tail)) { + err = lfs_tortoise_detectcycles(parent, &tortoise); + if (err < 0) { + return err; + } + + lfs_stag_t tag = lfs_dir_fetchmatch(lfs, parent, parent->tail, + LFS_MKTAG(0x7ff, 0, 0x3ff), + LFS_MKTAG(LFS_TYPE_DIRSTRUCT, 0, 8), + NULL, + lfs_fs_parent_match, &(struct lfs_fs_parent_match){ + lfs, {pair[0], pair[1]}}); + if (tag && tag != LFS_ERR_NOENT) { + return tag; + } + } + + return LFS_ERR_NOENT; +} +#endif + +static void lfs_fs_prepsuperblock(lfs_t *lfs, bool needssuperblock) { + lfs->gstate.tag = (lfs->gstate.tag & ~LFS_MKTAG(0, 0, 0x200)) + | (uint32_t)needssuperblock << 9; +} + +#ifndef LFS_READONLY +static int lfs_fs_preporphans(lfs_t *lfs, int8_t orphans) { + LFS_ASSERT(lfs_tag_size(lfs->gstate.tag) > 0x000 || orphans >= 0); + LFS_ASSERT(lfs_tag_size(lfs->gstate.tag) < 0x1ff || orphans <= 0); + lfs->gstate.tag += orphans; + lfs->gstate.tag = ((lfs->gstate.tag & ~LFS_MKTAG(0x800, 0, 0)) | + ((uint32_t)lfs_gstate_hasorphans(&lfs->gstate) << 31)); + + return 0; +} +#endif + +#ifndef LFS_READONLY +static void lfs_fs_prepmove(lfs_t *lfs, + uint16_t id, const lfs_block_t pair[2]) { + lfs->gstate.tag = ((lfs->gstate.tag & ~LFS_MKTAG(0x7ff, 0x3ff, 0)) | + ((id != 0x3ff) ? LFS_MKTAG(LFS_TYPE_DELETE, id, 0) : 0)); + lfs->gstate.pair[0] = (id != 0x3ff) ? pair[0] : 0; + lfs->gstate.pair[1] = (id != 0x3ff) ? pair[1] : 0; +} +#endif + +#ifndef LFS_READONLY +static int lfs_fs_desuperblock(lfs_t *lfs) { + if (!lfs_gstate_needssuperblock(&lfs->gstate)) { + return 0; + } + + LFS_DEBUG("Rewriting superblock {0x%"PRIx32", 0x%"PRIx32"}", + lfs->root[0], + lfs->root[1]); + + lfs_mdir_t root; + int err = lfs_dir_fetch(lfs, &root, lfs->root); + if (err) { + return err; + } + + // write a new superblock + lfs_superblock_t superblock = { + .version = lfs_fs_disk_version(lfs), + .block_size = lfs->cfg->block_size, + .block_count = lfs->block_count, + .name_max = lfs->name_max, + .file_max = lfs->file_max, + .attr_max = lfs->attr_max, + }; + + lfs_superblock_tole32(&superblock); + err = lfs_dir_commit(lfs, &root, LFS_MKATTRS( + {LFS_MKTAG(LFS_TYPE_INLINESTRUCT, 0, sizeof(superblock)), + &superblock})); + if (err) { + return err; + } + + lfs_fs_prepsuperblock(lfs, false); + return 0; +} +#endif + +#ifndef LFS_READONLY +static int lfs_fs_demove(lfs_t *lfs) { + if (!lfs_gstate_hasmove(&lfs->gdisk)) { + return 0; + } + + // Fix bad moves + LFS_DEBUG("Fixing move {0x%"PRIx32", 0x%"PRIx32"} 0x%"PRIx16, + lfs->gdisk.pair[0], + lfs->gdisk.pair[1], + lfs_tag_id(lfs->gdisk.tag)); + + // no other gstate is supported at this time, so if we found something else + // something most likely went wrong in gstate calculation + LFS_ASSERT(lfs_tag_type3(lfs->gdisk.tag) == LFS_TYPE_DELETE); + + // fetch and delete the moved entry + lfs_mdir_t movedir; + int err = lfs_dir_fetch(lfs, &movedir, lfs->gdisk.pair); + if (err) { + return err; + } + + // prep gstate and delete move id + uint16_t moveid = lfs_tag_id(lfs->gdisk.tag); + lfs_fs_prepmove(lfs, 0x3ff, NULL); + err = lfs_dir_commit(lfs, &movedir, LFS_MKATTRS( + {LFS_MKTAG(LFS_TYPE_DELETE, moveid, 0), NULL})); + if (err) { + return err; + } + + return 0; +} +#endif + +#ifndef LFS_READONLY +static int lfs_fs_deorphan(lfs_t *lfs, bool powerloss) { + if (!lfs_gstate_hasorphans(&lfs->gstate)) { + return 0; + } + + // Check for orphans in two separate passes: + // - 1 for half-orphans (relocations) + // - 2 for full-orphans (removes/renames) + // + // Two separate passes are needed as half-orphans can contain outdated + // references to full-orphans, effectively hiding them from the deorphan + // search. + // + int pass = 0; + while (pass < 2) { + // Fix any orphans + lfs_mdir_t pdir = {.split = true, .tail = {0, 1}}; + lfs_mdir_t dir; + bool moreorphans = false; + + // iterate over all directory directory entries + while (!lfs_pair_isnull(pdir.tail)) { + int err = lfs_dir_fetch(lfs, &dir, pdir.tail); + if (err) { + return err; + } + + // check head blocks for orphans + if (!pdir.split) { + // check if we have a parent + lfs_mdir_t parent; + lfs_stag_t tag = lfs_fs_parent(lfs, pdir.tail, &parent); + if (tag < 0 && tag != LFS_ERR_NOENT) { + return tag; + } + + if (pass == 0 && tag != LFS_ERR_NOENT) { + lfs_block_t pair[2]; + lfs_stag_t state = lfs_dir_get(lfs, &parent, + LFS_MKTAG(0x7ff, 0x3ff, 0), tag, pair); + if (state < 0) { + return state; + } + lfs_pair_fromle32(pair); + + if (!lfs_pair_issync(pair, pdir.tail)) { + // we have desynced + LFS_DEBUG("Fixing half-orphan " + "{0x%"PRIx32", 0x%"PRIx32"} " + "-> {0x%"PRIx32", 0x%"PRIx32"}", + pdir.tail[0], pdir.tail[1], pair[0], pair[1]); + + // fix pending move in this pair? this looks like an + // optimization but is in fact _required_ since + // relocating may outdate the move. + uint16_t moveid = 0x3ff; + if (lfs_gstate_hasmovehere(&lfs->gstate, pdir.pair)) { + moveid = lfs_tag_id(lfs->gstate.tag); + LFS_DEBUG("Fixing move while fixing orphans " + "{0x%"PRIx32", 0x%"PRIx32"} 0x%"PRIx16"\n", + pdir.pair[0], pdir.pair[1], moveid); + lfs_fs_prepmove(lfs, 0x3ff, NULL); + } + + lfs_pair_tole32(pair); + state = lfs_dir_orphaningcommit(lfs, &pdir, LFS_MKATTRS( + {LFS_MKTAG_IF(moveid != 0x3ff, + LFS_TYPE_DELETE, moveid, 0), NULL}, + {LFS_MKTAG(LFS_TYPE_SOFTTAIL, 0x3ff, 8), + pair})); + lfs_pair_fromle32(pair); + if (state < 0) { + return state; + } + + // did our commit create more orphans? + if (state == LFS_OK_ORPHANED) { + moreorphans = true; + } + + // refetch tail + continue; + } + } + + // note we only check for full orphans if we may have had a + // power-loss, otherwise orphans are created intentionally + // during operations such as lfs_mkdir + if (pass == 1 && tag == LFS_ERR_NOENT && powerloss) { + // we are an orphan + LFS_DEBUG("Fixing orphan {0x%"PRIx32", 0x%"PRIx32"}", + pdir.tail[0], pdir.tail[1]); + + // steal state + err = lfs_dir_getgstate(lfs, &dir, &lfs->gdelta); + if (err) { + return err; + } + + // steal tail + lfs_pair_tole32(dir.tail); + int state = lfs_dir_orphaningcommit(lfs, &pdir, LFS_MKATTRS( + {LFS_MKTAG(LFS_TYPE_TAIL + dir.split, 0x3ff, 8), + dir.tail})); + lfs_pair_fromle32(dir.tail); + if (state < 0) { + return state; + } + + // did our commit create more orphans? + if (state == LFS_OK_ORPHANED) { + moreorphans = true; + } + + // refetch tail + continue; + } + } + + pdir = dir; + } + + pass = moreorphans ? 0 : pass+1; + } + + // mark orphans as fixed + return lfs_fs_preporphans(lfs, -lfs_gstate_getorphans(&lfs->gstate)); +} +#endif + +#ifndef LFS_READONLY +static int lfs_fs_forceconsistency(lfs_t *lfs) { + int err = lfs_fs_desuperblock(lfs); + if (err) { + return err; + } + + err = lfs_fs_demove(lfs); + if (err) { + return err; + } + + err = lfs_fs_deorphan(lfs, true); + if (err) { + return err; + } + + return 0; +} +#endif + +#ifndef LFS_READONLY +static int lfs_fs_mkconsistent_(lfs_t *lfs) { + // lfs_fs_forceconsistency does most of the work here + int err = lfs_fs_forceconsistency(lfs); + if (err) { + return err; + } + + // do we have any pending gstate? + lfs_gstate_t delta = {0}; + lfs_gstate_xor(&delta, &lfs->gdisk); + lfs_gstate_xor(&delta, &lfs->gstate); + if (!lfs_gstate_iszero(&delta)) { + // lfs_dir_commit will implicitly write out any pending gstate + lfs_mdir_t root; + err = lfs_dir_fetch(lfs, &root, lfs->root); + if (err) { + return err; + } + + err = lfs_dir_commit(lfs, &root, NULL, 0); + if (err) { + return err; + } + } + + return 0; +} +#endif + +static int lfs_fs_size_count(void *p, lfs_block_t block) { + (void)block; + lfs_size_t *size = p; + *size += 1; + return 0; +} + +static lfs_ssize_t lfs_fs_size_(lfs_t *lfs) { + lfs_size_t size = 0; + int err = lfs_fs_traverse_(lfs, lfs_fs_size_count, &size, false); + if (err) { + return err; + } + + return size; +} + +// explicit garbage collection +#ifndef LFS_READONLY +static int lfs_fs_gc_(lfs_t *lfs) { + // force consistency, even if we're not necessarily going to write, + // because this function is supposed to take care of janitorial work + // isn't it? + int err = lfs_fs_forceconsistency(lfs); + if (err) { + return err; + } + + // try to compact metadata pairs, note we can't really accomplish + // anything if compact_thresh doesn't at least leave a prog_size + // available + if (lfs->cfg->compact_thresh + < lfs->cfg->block_size - lfs->cfg->prog_size) { + // iterate over all mdirs + lfs_mdir_t mdir = {.tail = {0, 1}}; + while (!lfs_pair_isnull(mdir.tail)) { + err = lfs_dir_fetch(lfs, &mdir, mdir.tail); + if (err) { + return err; + } + + // not erased? exceeds our compaction threshold? + if (!mdir.erased || ((lfs->cfg->compact_thresh == 0) + ? mdir.off > lfs->cfg->block_size - lfs->cfg->block_size/8 + : mdir.off > lfs->cfg->compact_thresh)) { + // the easiest way to trigger a compaction is to mark + // the mdir as unerased and add an empty commit + mdir.erased = false; + err = lfs_dir_commit(lfs, &mdir, NULL, 0); + if (err) { + return err; + } + } + } + } + + // try to populate the lookahead buffer, unless it's already full + if (lfs->lookahead.size < 8*lfs->cfg->lookahead_size) { + err = lfs_alloc_scan(lfs); + if (err) { + return err; + } + } + + return 0; +} +#endif + +#ifndef LFS_READONLY +static int lfs_fs_grow_(lfs_t *lfs, lfs_size_t block_count) { + // shrinking is not supported + LFS_ASSERT(block_count >= lfs->block_count); + + if (block_count > lfs->block_count) { + lfs->block_count = block_count; + + // fetch the root + lfs_mdir_t root; + int err = lfs_dir_fetch(lfs, &root, lfs->root); + if (err) { + return err; + } + + // update the superblock + lfs_superblock_t superblock; + lfs_stag_t tag = lfs_dir_get(lfs, &root, LFS_MKTAG(0x7ff, 0x3ff, 0), + LFS_MKTAG(LFS_TYPE_INLINESTRUCT, 0, sizeof(superblock)), + &superblock); + if (tag < 0) { + return tag; + } + lfs_superblock_fromle32(&superblock); + + superblock.block_count = lfs->block_count; + + lfs_superblock_tole32(&superblock); + err = lfs_dir_commit(lfs, &root, LFS_MKATTRS( + {tag, &superblock})); + if (err) { + return err; + } + } + + return 0; +} +#endif + +#ifdef LFS_MIGRATE +////// Migration from littelfs v1 below this ////// + +/// Version info /// + +// Software library version +// Major (top-nibble), incremented on backwards incompatible changes +// Minor (bottom-nibble), incremented on feature additions +#define LFS1_VERSION 0x00010007 +#define LFS1_VERSION_MAJOR (0xffff & (LFS1_VERSION >> 16)) +#define LFS1_VERSION_MINOR (0xffff & (LFS1_VERSION >> 0)) + +// Version of On-disk data structures +// Major (top-nibble), incremented on backwards incompatible changes +// Minor (bottom-nibble), incremented on feature additions +#define LFS1_DISK_VERSION 0x00010001 +#define LFS1_DISK_VERSION_MAJOR (0xffff & (LFS1_DISK_VERSION >> 16)) +#define LFS1_DISK_VERSION_MINOR (0xffff & (LFS1_DISK_VERSION >> 0)) + + +/// v1 Definitions /// + +// File types +enum lfs1_type { + LFS1_TYPE_REG = 0x11, + LFS1_TYPE_DIR = 0x22, + LFS1_TYPE_SUPERBLOCK = 0x2e, +}; + +typedef struct lfs1 { + lfs_block_t root[2]; +} lfs1_t; + +typedef struct lfs1_entry { + lfs_off_t off; + + struct lfs1_disk_entry { + uint8_t type; + uint8_t elen; + uint8_t alen; + uint8_t nlen; + union { + struct { + lfs_block_t head; + lfs_size_t size; + } file; + lfs_block_t dir[2]; + } u; + } d; +} lfs1_entry_t; + +typedef struct lfs1_dir { + struct lfs1_dir *next; + lfs_block_t pair[2]; + lfs_off_t off; + + lfs_block_t head[2]; + lfs_off_t pos; + + struct lfs1_disk_dir { + uint32_t rev; + lfs_size_t size; + lfs_block_t tail[2]; + } d; +} lfs1_dir_t; + +typedef struct lfs1_superblock { + lfs_off_t off; + + struct lfs1_disk_superblock { + uint8_t type; + uint8_t elen; + uint8_t alen; + uint8_t nlen; + lfs_block_t root[2]; + uint32_t block_size; + uint32_t block_count; + uint32_t version; + char magic[8]; + } d; +} lfs1_superblock_t; + + +/// Low-level wrappers v1->v2 /// +static void lfs1_crc(uint32_t *crc, const void *buffer, size_t size) { + *crc = lfs_crc(*crc, buffer, size); +} + +static int lfs1_bd_read(lfs_t *lfs, lfs_block_t block, + lfs_off_t off, void *buffer, lfs_size_t size) { + // if we ever do more than writes to alternating pairs, + // this may need to consider pcache + return lfs_bd_read(lfs, &lfs->pcache, &lfs->rcache, size, + block, off, buffer, size); +} + +static int lfs1_bd_crc(lfs_t *lfs, lfs_block_t block, + lfs_off_t off, lfs_size_t size, uint32_t *crc) { + for (lfs_off_t i = 0; i < size; i++) { + uint8_t c; + int err = lfs1_bd_read(lfs, block, off+i, &c, 1); + if (err) { + return err; + } + + lfs1_crc(crc, &c, 1); + } + + return 0; +} + + +/// Endian swapping functions /// +static void lfs1_dir_fromle32(struct lfs1_disk_dir *d) { + d->rev = lfs_fromle32(d->rev); + d->size = lfs_fromle32(d->size); + d->tail[0] = lfs_fromle32(d->tail[0]); + d->tail[1] = lfs_fromle32(d->tail[1]); +} + +static void lfs1_dir_tole32(struct lfs1_disk_dir *d) { + d->rev = lfs_tole32(d->rev); + d->size = lfs_tole32(d->size); + d->tail[0] = lfs_tole32(d->tail[0]); + d->tail[1] = lfs_tole32(d->tail[1]); +} + +static void lfs1_entry_fromle32(struct lfs1_disk_entry *d) { + d->u.dir[0] = lfs_fromle32(d->u.dir[0]); + d->u.dir[1] = lfs_fromle32(d->u.dir[1]); +} + +static void lfs1_entry_tole32(struct lfs1_disk_entry *d) { + d->u.dir[0] = lfs_tole32(d->u.dir[0]); + d->u.dir[1] = lfs_tole32(d->u.dir[1]); +} + +static void lfs1_superblock_fromle32(struct lfs1_disk_superblock *d) { + d->root[0] = lfs_fromle32(d->root[0]); + d->root[1] = lfs_fromle32(d->root[1]); + d->block_size = lfs_fromle32(d->block_size); + d->block_count = lfs_fromle32(d->block_count); + d->version = lfs_fromle32(d->version); +} + + +///// Metadata pair and directory operations /// +static inline lfs_size_t lfs1_entry_size(const lfs1_entry_t *entry) { + return 4 + entry->d.elen + entry->d.alen + entry->d.nlen; +} + +static int lfs1_dir_fetch(lfs_t *lfs, + lfs1_dir_t *dir, const lfs_block_t pair[2]) { + // copy out pair, otherwise may be aliasing dir + const lfs_block_t tpair[2] = {pair[0], pair[1]}; + bool valid = false; + + // check both blocks for the most recent revision + for (int i = 0; i < 2; i++) { + struct lfs1_disk_dir test; + int err = lfs1_bd_read(lfs, tpair[i], 0, &test, sizeof(test)); + lfs1_dir_fromle32(&test); + if (err) { + if (err == LFS_ERR_CORRUPT) { + continue; + } + return err; + } + + if (valid && lfs_scmp(test.rev, dir->d.rev) < 0) { + continue; + } + + if ((0x7fffffff & test.size) < sizeof(test)+4 || + (0x7fffffff & test.size) > lfs->cfg->block_size) { + continue; + } + + uint32_t crc = 0xffffffff; + lfs1_dir_tole32(&test); + lfs1_crc(&crc, &test, sizeof(test)); + lfs1_dir_fromle32(&test); + err = lfs1_bd_crc(lfs, tpair[i], sizeof(test), + (0x7fffffff & test.size) - sizeof(test), &crc); + if (err) { + if (err == LFS_ERR_CORRUPT) { + continue; + } + return err; + } + + if (crc != 0) { + continue; + } + + valid = true; + + // setup dir in case it's valid + dir->pair[0] = tpair[(i+0) % 2]; + dir->pair[1] = tpair[(i+1) % 2]; + dir->off = sizeof(dir->d); + dir->d = test; + } + + if (!valid) { + LFS_ERROR("Corrupted dir pair at {0x%"PRIx32", 0x%"PRIx32"}", + tpair[0], tpair[1]); + return LFS_ERR_CORRUPT; + } + + return 0; +} + +static int lfs1_dir_next(lfs_t *lfs, lfs1_dir_t *dir, lfs1_entry_t *entry) { + while (dir->off + sizeof(entry->d) > (0x7fffffff & dir->d.size)-4) { + if (!(0x80000000 & dir->d.size)) { + entry->off = dir->off; + return LFS_ERR_NOENT; + } + + int err = lfs1_dir_fetch(lfs, dir, dir->d.tail); + if (err) { + return err; + } + + dir->off = sizeof(dir->d); + dir->pos += sizeof(dir->d) + 4; + } + + int err = lfs1_bd_read(lfs, dir->pair[0], dir->off, + &entry->d, sizeof(entry->d)); + lfs1_entry_fromle32(&entry->d); + if (err) { + return err; + } + + entry->off = dir->off; + dir->off += lfs1_entry_size(entry); + dir->pos += lfs1_entry_size(entry); + return 0; +} + +/// littlefs v1 specific operations /// +int lfs1_traverse(lfs_t *lfs, int (*cb)(void*, lfs_block_t), void *data) { + if (lfs_pair_isnull(lfs->lfs1->root)) { + return 0; + } + + // iterate over metadata pairs + lfs1_dir_t dir; + lfs1_entry_t entry; + lfs_block_t cwd[2] = {0, 1}; + + while (true) { + for (int i = 0; i < 2; i++) { + int err = cb(data, cwd[i]); + if (err) { + return err; + } + } + + int err = lfs1_dir_fetch(lfs, &dir, cwd); + if (err) { + return err; + } + + // iterate over contents + while (dir.off + sizeof(entry.d) <= (0x7fffffff & dir.d.size)-4) { + err = lfs1_bd_read(lfs, dir.pair[0], dir.off, + &entry.d, sizeof(entry.d)); + lfs1_entry_fromle32(&entry.d); + if (err) { + return err; + } + + dir.off += lfs1_entry_size(&entry); + if ((0x70 & entry.d.type) == (0x70 & LFS1_TYPE_REG)) { + err = lfs_ctz_traverse(lfs, NULL, &lfs->rcache, + entry.d.u.file.head, entry.d.u.file.size, cb, data); + if (err) { + return err; + } + } + } + + // we also need to check if we contain a threaded v2 directory + lfs_mdir_t dir2 = {.split=true, .tail={cwd[0], cwd[1]}}; + while (dir2.split) { + err = lfs_dir_fetch(lfs, &dir2, dir2.tail); + if (err) { + break; + } + + for (int i = 0; i < 2; i++) { + err = cb(data, dir2.pair[i]); + if (err) { + return err; + } + } + } + + cwd[0] = dir.d.tail[0]; + cwd[1] = dir.d.tail[1]; + + if (lfs_pair_isnull(cwd)) { + break; + } + } + + return 0; +} + +static int lfs1_moved(lfs_t *lfs, const void *e) { + if (lfs_pair_isnull(lfs->lfs1->root)) { + return 0; + } + + // skip superblock + lfs1_dir_t cwd; + int err = lfs1_dir_fetch(lfs, &cwd, (const lfs_block_t[2]){0, 1}); + if (err) { + return err; + } + + // iterate over all directory directory entries + lfs1_entry_t entry; + while (!lfs_pair_isnull(cwd.d.tail)) { + err = lfs1_dir_fetch(lfs, &cwd, cwd.d.tail); + if (err) { + return err; + } + + while (true) { + err = lfs1_dir_next(lfs, &cwd, &entry); + if (err && err != LFS_ERR_NOENT) { + return err; + } + + if (err == LFS_ERR_NOENT) { + break; + } + + if (!(0x80 & entry.d.type) && + memcmp(&entry.d.u, e, sizeof(entry.d.u)) == 0) { + return true; + } + } + } + + return false; +} + +/// Filesystem operations /// +static int lfs1_mount(lfs_t *lfs, struct lfs1 *lfs1, + const struct lfs_config *cfg) { + int err = 0; + { + err = lfs_init(lfs, cfg); + if (err) { + return err; + } + + lfs->lfs1 = lfs1; + lfs->lfs1->root[0] = LFS_BLOCK_NULL; + lfs->lfs1->root[1] = LFS_BLOCK_NULL; + + // setup free lookahead + lfs->lookahead.start = 0; + lfs->lookahead.size = 0; + lfs->lookahead.next = 0; + lfs_alloc_ckpoint(lfs); + + // load superblock + lfs1_dir_t dir; + lfs1_superblock_t superblock; + err = lfs1_dir_fetch(lfs, &dir, (const lfs_block_t[2]){0, 1}); + if (err && err != LFS_ERR_CORRUPT) { + goto cleanup; + } + + if (!err) { + err = lfs1_bd_read(lfs, dir.pair[0], sizeof(dir.d), + &superblock.d, sizeof(superblock.d)); + lfs1_superblock_fromle32(&superblock.d); + if (err) { + goto cleanup; + } + + lfs->lfs1->root[0] = superblock.d.root[0]; + lfs->lfs1->root[1] = superblock.d.root[1]; + } + + if (err || memcmp(superblock.d.magic, "littlefs", 8) != 0) { + LFS_ERROR("Invalid superblock at {0x%"PRIx32", 0x%"PRIx32"}", + 0, 1); + err = LFS_ERR_CORRUPT; + goto cleanup; + } + + uint16_t major_version = (0xffff & (superblock.d.version >> 16)); + uint16_t minor_version = (0xffff & (superblock.d.version >> 0)); + if ((major_version != LFS1_DISK_VERSION_MAJOR || + minor_version > LFS1_DISK_VERSION_MINOR)) { + LFS_ERROR("Invalid version v%d.%d", major_version, minor_version); + err = LFS_ERR_INVAL; + goto cleanup; + } + + return 0; + } + +cleanup: + lfs_deinit(lfs); + return err; +} + +static int lfs1_unmount(lfs_t *lfs) { + return lfs_deinit(lfs); +} + +/// v1 migration /// +static int lfs_migrate_(lfs_t *lfs, const struct lfs_config *cfg) { + struct lfs1 lfs1; + + // Indeterminate filesystem size not allowed for migration. + LFS_ASSERT(cfg->block_count != 0); + + int err = lfs1_mount(lfs, &lfs1, cfg); + if (err) { + return err; + } + + { + // iterate through each directory, copying over entries + // into new directory + lfs1_dir_t dir1; + lfs_mdir_t dir2; + dir1.d.tail[0] = lfs->lfs1->root[0]; + dir1.d.tail[1] = lfs->lfs1->root[1]; + while (!lfs_pair_isnull(dir1.d.tail)) { + // iterate old dir + err = lfs1_dir_fetch(lfs, &dir1, dir1.d.tail); + if (err) { + goto cleanup; + } + + // create new dir and bind as temporary pretend root + err = lfs_dir_alloc(lfs, &dir2); + if (err) { + goto cleanup; + } + + dir2.rev = dir1.d.rev; + dir1.head[0] = dir1.pair[0]; + dir1.head[1] = dir1.pair[1]; + lfs->root[0] = dir2.pair[0]; + lfs->root[1] = dir2.pair[1]; + + err = lfs_dir_commit(lfs, &dir2, NULL, 0); + if (err) { + goto cleanup; + } + + while (true) { + lfs1_entry_t entry1; + err = lfs1_dir_next(lfs, &dir1, &entry1); + if (err && err != LFS_ERR_NOENT) { + goto cleanup; + } + + if (err == LFS_ERR_NOENT) { + break; + } + + // check that entry has not been moved + if (entry1.d.type & 0x80) { + int moved = lfs1_moved(lfs, &entry1.d.u); + if (moved < 0) { + err = moved; + goto cleanup; + } + + if (moved) { + continue; + } + + entry1.d.type &= ~0x80; + } + + // also fetch name + char name[LFS_NAME_MAX+1]; + memset(name, 0, sizeof(name)); + err = lfs1_bd_read(lfs, dir1.pair[0], + entry1.off + 4+entry1.d.elen+entry1.d.alen, + name, entry1.d.nlen); + if (err) { + goto cleanup; + } + + bool isdir = (entry1.d.type == LFS1_TYPE_DIR); + + // create entry in new dir + err = lfs_dir_fetch(lfs, &dir2, lfs->root); + if (err) { + goto cleanup; + } + + uint16_t id; + err = lfs_dir_find(lfs, &dir2, &(const char*){name}, &id); + if (!(err == LFS_ERR_NOENT && id != 0x3ff)) { + err = (err < 0) ? err : LFS_ERR_EXIST; + goto cleanup; + } + + lfs1_entry_tole32(&entry1.d); + err = lfs_dir_commit(lfs, &dir2, LFS_MKATTRS( + {LFS_MKTAG(LFS_TYPE_CREATE, id, 0), NULL}, + {LFS_MKTAG_IF_ELSE(isdir, + LFS_TYPE_DIR, id, entry1.d.nlen, + LFS_TYPE_REG, id, entry1.d.nlen), + name}, + {LFS_MKTAG_IF_ELSE(isdir, + LFS_TYPE_DIRSTRUCT, id, sizeof(entry1.d.u), + LFS_TYPE_CTZSTRUCT, id, sizeof(entry1.d.u)), + &entry1.d.u})); + lfs1_entry_fromle32(&entry1.d); + if (err) { + goto cleanup; + } + } + + if (!lfs_pair_isnull(dir1.d.tail)) { + // find last block and update tail to thread into fs + err = lfs_dir_fetch(lfs, &dir2, lfs->root); + if (err) { + goto cleanup; + } + + while (dir2.split) { + err = lfs_dir_fetch(lfs, &dir2, dir2.tail); + if (err) { + goto cleanup; + } + } + + lfs_pair_tole32(dir2.pair); + err = lfs_dir_commit(lfs, &dir2, LFS_MKATTRS( + {LFS_MKTAG(LFS_TYPE_SOFTTAIL, 0x3ff, 8), dir1.d.tail})); + lfs_pair_fromle32(dir2.pair); + if (err) { + goto cleanup; + } + } + + // Copy over first block to thread into fs. Unfortunately + // if this fails there is not much we can do. + LFS_DEBUG("Migrating {0x%"PRIx32", 0x%"PRIx32"} " + "-> {0x%"PRIx32", 0x%"PRIx32"}", + lfs->root[0], lfs->root[1], dir1.head[0], dir1.head[1]); + + err = lfs_bd_erase(lfs, dir1.head[1]); + if (err) { + goto cleanup; + } + + err = lfs_dir_fetch(lfs, &dir2, lfs->root); + if (err) { + goto cleanup; + } + + for (lfs_off_t i = 0; i < dir2.off; i++) { + uint8_t dat; + err = lfs_bd_read(lfs, + NULL, &lfs->rcache, dir2.off, + dir2.pair[0], i, &dat, 1); + if (err) { + goto cleanup; + } + + err = lfs_bd_prog(lfs, + &lfs->pcache, &lfs->rcache, true, + dir1.head[1], i, &dat, 1); + if (err) { + goto cleanup; + } + } + + err = lfs_bd_flush(lfs, &lfs->pcache, &lfs->rcache, true); + if (err) { + goto cleanup; + } + } + + // Create new superblock. This marks a successful migration! + err = lfs1_dir_fetch(lfs, &dir1, (const lfs_block_t[2]){0, 1}); + if (err) { + goto cleanup; + } + + dir2.pair[0] = dir1.pair[0]; + dir2.pair[1] = dir1.pair[1]; + dir2.rev = dir1.d.rev; + dir2.off = sizeof(dir2.rev); + dir2.etag = 0xffffffff; + dir2.count = 0; + dir2.tail[0] = lfs->lfs1->root[0]; + dir2.tail[1] = lfs->lfs1->root[1]; + dir2.erased = false; + dir2.split = true; + + lfs_superblock_t superblock = { + .version = LFS_DISK_VERSION, + .block_size = lfs->cfg->block_size, + .block_count = lfs->cfg->block_count, + .name_max = lfs->name_max, + .file_max = lfs->file_max, + .attr_max = lfs->attr_max, + }; + + lfs_superblock_tole32(&superblock); + err = lfs_dir_commit(lfs, &dir2, LFS_MKATTRS( + {LFS_MKTAG(LFS_TYPE_CREATE, 0, 0), NULL}, + {LFS_MKTAG(LFS_TYPE_SUPERBLOCK, 0, 8), "littlefs"}, + {LFS_MKTAG(LFS_TYPE_INLINESTRUCT, 0, sizeof(superblock)), + &superblock})); + if (err) { + goto cleanup; + } + + // sanity check that fetch works + err = lfs_dir_fetch(lfs, &dir2, (const lfs_block_t[2]){0, 1}); + if (err) { + goto cleanup; + } + + // force compaction to prevent accidentally mounting v1 + dir2.erased = false; + err = lfs_dir_commit(lfs, &dir2, NULL, 0); + if (err) { + goto cleanup; + } + } + +cleanup: + lfs1_unmount(lfs); + return err; +} + +#endif + + +/// Public API wrappers /// + +// Here we can add tracing/thread safety easily + +// Thread-safe wrappers if enabled +#ifdef LFS_THREADSAFE +#define LFS_LOCK(cfg) cfg->lock(cfg) +#define LFS_UNLOCK(cfg) cfg->unlock(cfg) +#else +#define LFS_LOCK(cfg) ((void)cfg, 0) +#define LFS_UNLOCK(cfg) ((void)cfg) +#endif + +// Public API +#ifndef LFS_READONLY +int lfs_format(lfs_t *lfs, const struct lfs_config *cfg) { + int err = LFS_LOCK(cfg); + if (err) { + return err; + } + LFS_TRACE("lfs_format(%p, %p {.context=%p, " + ".read=%p, .prog=%p, .erase=%p, .sync=%p, " + ".read_size=%"PRIu32", .prog_size=%"PRIu32", " + ".block_size=%"PRIu32", .block_count=%"PRIu32", " + ".block_cycles=%"PRId32", .cache_size=%"PRIu32", " + ".lookahead_size=%"PRIu32", .read_buffer=%p, " + ".prog_buffer=%p, .lookahead_buffer=%p, " + ".name_max=%"PRIu32", .file_max=%"PRIu32", " + ".attr_max=%"PRIu32"})", + (void*)lfs, (void*)cfg, cfg->context, + (void*)(uintptr_t)cfg->read, (void*)(uintptr_t)cfg->prog, + (void*)(uintptr_t)cfg->erase, (void*)(uintptr_t)cfg->sync, + cfg->read_size, cfg->prog_size, cfg->block_size, cfg->block_count, + cfg->block_cycles, cfg->cache_size, cfg->lookahead_size, + cfg->read_buffer, cfg->prog_buffer, cfg->lookahead_buffer, + cfg->name_max, cfg->file_max, cfg->attr_max); + + err = lfs_format_(lfs, cfg); + + LFS_TRACE("lfs_format -> %d", err); + LFS_UNLOCK(cfg); + return err; +} +#endif + +int lfs_mount(lfs_t *lfs, const struct lfs_config *cfg) { + int err = LFS_LOCK(cfg); + if (err) { + return err; + } + LFS_TRACE("lfs_mount(%p, %p {.context=%p, " + ".read=%p, .prog=%p, .erase=%p, .sync=%p, " + ".read_size=%"PRIu32", .prog_size=%"PRIu32", " + ".block_size=%"PRIu32", .block_count=%"PRIu32", " + ".block_cycles=%"PRId32", .cache_size=%"PRIu32", " + ".lookahead_size=%"PRIu32", .read_buffer=%p, " + ".prog_buffer=%p, .lookahead_buffer=%p, " + ".name_max=%"PRIu32", .file_max=%"PRIu32", " + ".attr_max=%"PRIu32"})", + (void*)lfs, (void*)cfg, cfg->context, + (void*)(uintptr_t)cfg->read, (void*)(uintptr_t)cfg->prog, + (void*)(uintptr_t)cfg->erase, (void*)(uintptr_t)cfg->sync, + cfg->read_size, cfg->prog_size, cfg->block_size, cfg->block_count, + cfg->block_cycles, cfg->cache_size, cfg->lookahead_size, + cfg->read_buffer, cfg->prog_buffer, cfg->lookahead_buffer, + cfg->name_max, cfg->file_max, cfg->attr_max); + + err = lfs_mount_(lfs, cfg); + + LFS_TRACE("lfs_mount -> %d", err); + LFS_UNLOCK(cfg); + return err; +} + +int lfs_unmount(lfs_t *lfs) { + int err = LFS_LOCK(lfs->cfg); + if (err) { + return err; + } + LFS_TRACE("lfs_unmount(%p)", (void*)lfs); + + err = lfs_unmount_(lfs); + + LFS_TRACE("lfs_unmount -> %d", err); + LFS_UNLOCK(lfs->cfg); + return err; +} + +#ifndef LFS_READONLY +int lfs_remove(lfs_t *lfs, const char *path) { + int err = LFS_LOCK(lfs->cfg); + if (err) { + return err; + } + LFS_TRACE("lfs_remove(%p, \"%s\")", (void*)lfs, path); + + err = lfs_remove_(lfs, path); + + LFS_TRACE("lfs_remove -> %d", err); + LFS_UNLOCK(lfs->cfg); + return err; +} +#endif + +#ifndef LFS_READONLY +int lfs_rename(lfs_t *lfs, const char *oldpath, const char *newpath) { + int err = LFS_LOCK(lfs->cfg); + if (err) { + return err; + } + LFS_TRACE("lfs_rename(%p, \"%s\", \"%s\")", (void*)lfs, oldpath, newpath); + + err = lfs_rename_(lfs, oldpath, newpath); + + LFS_TRACE("lfs_rename -> %d", err); + LFS_UNLOCK(lfs->cfg); + return err; +} +#endif + +int lfs_stat(lfs_t *lfs, const char *path, struct lfs_info *info) { + int err = LFS_LOCK(lfs->cfg); + if (err) { + return err; + } + LFS_TRACE("lfs_stat(%p, \"%s\", %p)", (void*)lfs, path, (void*)info); + + err = lfs_stat_(lfs, path, info); + + LFS_TRACE("lfs_stat -> %d", err); + LFS_UNLOCK(lfs->cfg); + return err; +} + +lfs_ssize_t lfs_getattr(lfs_t *lfs, const char *path, + uint8_t type, void *buffer, lfs_size_t size) { + int err = LFS_LOCK(lfs->cfg); + if (err) { + return err; + } + LFS_TRACE("lfs_getattr(%p, \"%s\", %"PRIu8", %p, %"PRIu32")", + (void*)lfs, path, type, buffer, size); + + lfs_ssize_t res = lfs_getattr_(lfs, path, type, buffer, size); + + LFS_TRACE("lfs_getattr -> %"PRId32, res); + LFS_UNLOCK(lfs->cfg); + return res; +} + +#ifndef LFS_READONLY +int lfs_setattr(lfs_t *lfs, const char *path, + uint8_t type, const void *buffer, lfs_size_t size) { + int err = LFS_LOCK(lfs->cfg); + if (err) { + return err; + } + LFS_TRACE("lfs_setattr(%p, \"%s\", %"PRIu8", %p, %"PRIu32")", + (void*)lfs, path, type, buffer, size); + + err = lfs_setattr_(lfs, path, type, buffer, size); + + LFS_TRACE("lfs_setattr -> %d", err); + LFS_UNLOCK(lfs->cfg); + return err; +} +#endif + +#ifndef LFS_READONLY +int lfs_removeattr(lfs_t *lfs, const char *path, uint8_t type) { + int err = LFS_LOCK(lfs->cfg); + if (err) { + return err; + } + LFS_TRACE("lfs_removeattr(%p, \"%s\", %"PRIu8")", (void*)lfs, path, type); + + err = lfs_removeattr_(lfs, path, type); + + LFS_TRACE("lfs_removeattr -> %d", err); + LFS_UNLOCK(lfs->cfg); + return err; +} +#endif + +#ifndef LFS_NO_MALLOC +int lfs_file_open(lfs_t *lfs, lfs_file_t *file, const char *path, int flags) { + int err = LFS_LOCK(lfs->cfg); + if (err) { + return err; + } + LFS_TRACE("lfs_file_open(%p, %p, \"%s\", %x)", + (void*)lfs, (void*)file, path, (unsigned)flags); + LFS_ASSERT(!lfs_mlist_isopen(lfs->mlist, (struct lfs_mlist*)file)); + + err = lfs_file_open_(lfs, file, path, flags); + + LFS_TRACE("lfs_file_open -> %d", err); + LFS_UNLOCK(lfs->cfg); + return err; +} +#endif + +int lfs_file_opencfg(lfs_t *lfs, lfs_file_t *file, + const char *path, int flags, + const struct lfs_file_config *cfg) { + int err = LFS_LOCK(lfs->cfg); + if (err) { + return err; + } + LFS_TRACE("lfs_file_opencfg(%p, %p, \"%s\", %x, %p {" + ".buffer=%p, .attrs=%p, .attr_count=%"PRIu32"})", + (void*)lfs, (void*)file, path, (unsigned)flags, + (void*)cfg, cfg->buffer, (void*)cfg->attrs, cfg->attr_count); + LFS_ASSERT(!lfs_mlist_isopen(lfs->mlist, (struct lfs_mlist*)file)); + + err = lfs_file_opencfg_(lfs, file, path, flags, cfg); + + LFS_TRACE("lfs_file_opencfg -> %d", err); + LFS_UNLOCK(lfs->cfg); + return err; +} + +int lfs_file_close(lfs_t *lfs, lfs_file_t *file) { + int err = LFS_LOCK(lfs->cfg); + if (err) { + return err; + } + LFS_TRACE("lfs_file_close(%p, %p)", (void*)lfs, (void*)file); + LFS_ASSERT(lfs_mlist_isopen(lfs->mlist, (struct lfs_mlist*)file)); + + err = lfs_file_close_(lfs, file); + + LFS_TRACE("lfs_file_close -> %d", err); + LFS_UNLOCK(lfs->cfg); + return err; +} + +#ifndef LFS_READONLY +int lfs_file_sync(lfs_t *lfs, lfs_file_t *file) { + int err = LFS_LOCK(lfs->cfg); + if (err) { + return err; + } + LFS_TRACE("lfs_file_sync(%p, %p)", (void*)lfs, (void*)file); + LFS_ASSERT(lfs_mlist_isopen(lfs->mlist, (struct lfs_mlist*)file)); + + err = lfs_file_sync_(lfs, file); + + LFS_TRACE("lfs_file_sync -> %d", err); + LFS_UNLOCK(lfs->cfg); + return err; +} +#endif + +lfs_ssize_t lfs_file_read(lfs_t *lfs, lfs_file_t *file, + void *buffer, lfs_size_t size) { + int err = LFS_LOCK(lfs->cfg); + if (err) { + return err; + } + LFS_TRACE("lfs_file_read(%p, %p, %p, %"PRIu32")", + (void*)lfs, (void*)file, buffer, size); + LFS_ASSERT(lfs_mlist_isopen(lfs->mlist, (struct lfs_mlist*)file)); + + lfs_ssize_t res = lfs_file_read_(lfs, file, buffer, size); + + LFS_TRACE("lfs_file_read -> %"PRId32, res); + LFS_UNLOCK(lfs->cfg); + return res; +} + +#ifndef LFS_READONLY +lfs_ssize_t lfs_file_write(lfs_t *lfs, lfs_file_t *file, + const void *buffer, lfs_size_t size) { + int err = LFS_LOCK(lfs->cfg); + if (err) { + return err; + } + LFS_TRACE("lfs_file_write(%p, %p, %p, %"PRIu32")", + (void*)lfs, (void*)file, buffer, size); + LFS_ASSERT(lfs_mlist_isopen(lfs->mlist, (struct lfs_mlist*)file)); + + lfs_ssize_t res = lfs_file_write_(lfs, file, buffer, size); + + LFS_TRACE("lfs_file_write -> %"PRId32, res); + LFS_UNLOCK(lfs->cfg); + return res; +} +#endif + +lfs_soff_t lfs_file_seek(lfs_t *lfs, lfs_file_t *file, + lfs_soff_t off, int whence) { + int err = LFS_LOCK(lfs->cfg); + if (err) { + return err; + } + LFS_TRACE("lfs_file_seek(%p, %p, %"PRId32", %d)", + (void*)lfs, (void*)file, off, whence); + LFS_ASSERT(lfs_mlist_isopen(lfs->mlist, (struct lfs_mlist*)file)); + + lfs_soff_t res = lfs_file_seek_(lfs, file, off, whence); + + LFS_TRACE("lfs_file_seek -> %"PRId32, res); + LFS_UNLOCK(lfs->cfg); + return res; +} + +#ifndef LFS_READONLY +int lfs_file_truncate(lfs_t *lfs, lfs_file_t *file, lfs_off_t size) { + int err = LFS_LOCK(lfs->cfg); + if (err) { + return err; + } + LFS_TRACE("lfs_file_truncate(%p, %p, %"PRIu32")", + (void*)lfs, (void*)file, size); + LFS_ASSERT(lfs_mlist_isopen(lfs->mlist, (struct lfs_mlist*)file)); + + err = lfs_file_truncate_(lfs, file, size); + + LFS_TRACE("lfs_file_truncate -> %d", err); + LFS_UNLOCK(lfs->cfg); + return err; +} +#endif + +lfs_soff_t lfs_file_tell(lfs_t *lfs, lfs_file_t *file) { + int err = LFS_LOCK(lfs->cfg); + if (err) { + return err; + } + LFS_TRACE("lfs_file_tell(%p, %p)", (void*)lfs, (void*)file); + LFS_ASSERT(lfs_mlist_isopen(lfs->mlist, (struct lfs_mlist*)file)); + + lfs_soff_t res = lfs_file_tell_(lfs, file); + + LFS_TRACE("lfs_file_tell -> %"PRId32, res); + LFS_UNLOCK(lfs->cfg); + return res; +} + +int lfs_file_rewind(lfs_t *lfs, lfs_file_t *file) { + int err = LFS_LOCK(lfs->cfg); + if (err) { + return err; + } + LFS_TRACE("lfs_file_rewind(%p, %p)", (void*)lfs, (void*)file); + + err = lfs_file_rewind_(lfs, file); + + LFS_TRACE("lfs_file_rewind -> %d", err); + LFS_UNLOCK(lfs->cfg); + return err; +} + +lfs_soff_t lfs_file_size(lfs_t *lfs, lfs_file_t *file) { + int err = LFS_LOCK(lfs->cfg); + if (err) { + return err; + } + LFS_TRACE("lfs_file_size(%p, %p)", (void*)lfs, (void*)file); + LFS_ASSERT(lfs_mlist_isopen(lfs->mlist, (struct lfs_mlist*)file)); + + lfs_soff_t res = lfs_file_size_(lfs, file); + + LFS_TRACE("lfs_file_size -> %"PRIu32, res); + LFS_UNLOCK(lfs->cfg); + return res; +} + +#ifndef LFS_READONLY +int lfs_mkdir(lfs_t *lfs, const char *path) { + int err = LFS_LOCK(lfs->cfg); + if (err) { + return err; + } + LFS_TRACE("lfs_mkdir(%p, \"%s\")", (void*)lfs, path); + + err = lfs_mkdir_(lfs, path); + + LFS_TRACE("lfs_mkdir -> %d", err); + LFS_UNLOCK(lfs->cfg); + return err; +} +#endif + +int lfs_dir_open(lfs_t *lfs, lfs_dir_t *dir, const char *path) { + int err = LFS_LOCK(lfs->cfg); + if (err) { + return err; + } + LFS_TRACE("lfs_dir_open(%p, %p, \"%s\")", (void*)lfs, (void*)dir, path); + LFS_ASSERT(!lfs_mlist_isopen(lfs->mlist, (struct lfs_mlist*)dir)); + + err = lfs_dir_open_(lfs, dir, path); + + LFS_TRACE("lfs_dir_open -> %d", err); + LFS_UNLOCK(lfs->cfg); + return err; +} + +int lfs_dir_close(lfs_t *lfs, lfs_dir_t *dir) { + int err = LFS_LOCK(lfs->cfg); + if (err) { + return err; + } + LFS_TRACE("lfs_dir_close(%p, %p)", (void*)lfs, (void*)dir); + + err = lfs_dir_close_(lfs, dir); + + LFS_TRACE("lfs_dir_close -> %d", err); + LFS_UNLOCK(lfs->cfg); + return err; +} + +int lfs_dir_read(lfs_t *lfs, lfs_dir_t *dir, struct lfs_info *info) { + int err = LFS_LOCK(lfs->cfg); + if (err) { + return err; + } + LFS_TRACE("lfs_dir_read(%p, %p, %p)", + (void*)lfs, (void*)dir, (void*)info); + + err = lfs_dir_read_(lfs, dir, info); + + LFS_TRACE("lfs_dir_read -> %d", err); + LFS_UNLOCK(lfs->cfg); + return err; +} + +int lfs_dir_seek(lfs_t *lfs, lfs_dir_t *dir, lfs_off_t off) { + int err = LFS_LOCK(lfs->cfg); + if (err) { + return err; + } + LFS_TRACE("lfs_dir_seek(%p, %p, %"PRIu32")", + (void*)lfs, (void*)dir, off); + + err = lfs_dir_seek_(lfs, dir, off); + + LFS_TRACE("lfs_dir_seek -> %d", err); + LFS_UNLOCK(lfs->cfg); + return err; +} + +lfs_soff_t lfs_dir_tell(lfs_t *lfs, lfs_dir_t *dir) { + int err = LFS_LOCK(lfs->cfg); + if (err) { + return err; + } + LFS_TRACE("lfs_dir_tell(%p, %p)", (void*)lfs, (void*)dir); + + lfs_soff_t res = lfs_dir_tell_(lfs, dir); + + LFS_TRACE("lfs_dir_tell -> %"PRId32, res); + LFS_UNLOCK(lfs->cfg); + return res; +} + +int lfs_dir_rewind(lfs_t *lfs, lfs_dir_t *dir) { + int err = LFS_LOCK(lfs->cfg); + if (err) { + return err; + } + LFS_TRACE("lfs_dir_rewind(%p, %p)", (void*)lfs, (void*)dir); + + err = lfs_dir_rewind_(lfs, dir); + + LFS_TRACE("lfs_dir_rewind -> %d", err); + LFS_UNLOCK(lfs->cfg); + return err; +} + +int lfs_fs_stat(lfs_t *lfs, struct lfs_fsinfo *fsinfo) { + int err = LFS_LOCK(lfs->cfg); + if (err) { + return err; + } + LFS_TRACE("lfs_fs_stat(%p, %p)", (void*)lfs, (void*)fsinfo); + + err = lfs_fs_stat_(lfs, fsinfo); + + LFS_TRACE("lfs_fs_stat -> %d", err); + LFS_UNLOCK(lfs->cfg); + return err; +} + +lfs_ssize_t lfs_fs_size(lfs_t *lfs) { + int err = LFS_LOCK(lfs->cfg); + if (err) { + return err; + } + LFS_TRACE("lfs_fs_size(%p)", (void*)lfs); + + lfs_ssize_t res = lfs_fs_size_(lfs); + + LFS_TRACE("lfs_fs_size -> %"PRId32, res); + LFS_UNLOCK(lfs->cfg); + return res; +} + +int lfs_fs_traverse(lfs_t *lfs, int (*cb)(void *, lfs_block_t), void *data) { + int err = LFS_LOCK(lfs->cfg); + if (err) { + return err; + } + LFS_TRACE("lfs_fs_traverse(%p, %p, %p)", + (void*)lfs, (void*)(uintptr_t)cb, data); + + err = lfs_fs_traverse_(lfs, cb, data, true); + + LFS_TRACE("lfs_fs_traverse -> %d", err); + LFS_UNLOCK(lfs->cfg); + return err; +} + +#ifndef LFS_READONLY +int lfs_fs_mkconsistent(lfs_t *lfs) { + int err = LFS_LOCK(lfs->cfg); + if (err) { + return err; + } + LFS_TRACE("lfs_fs_mkconsistent(%p)", (void*)lfs); + + err = lfs_fs_mkconsistent_(lfs); + + LFS_TRACE("lfs_fs_mkconsistent -> %d", err); + LFS_UNLOCK(lfs->cfg); + return err; +} +#endif + +#ifndef LFS_READONLY +int lfs_fs_gc(lfs_t *lfs) { + int err = LFS_LOCK(lfs->cfg); + if (err) { + return err; + } + LFS_TRACE("lfs_fs_gc(%p)", (void*)lfs); + + err = lfs_fs_gc_(lfs); + + LFS_TRACE("lfs_fs_gc -> %d", err); + LFS_UNLOCK(lfs->cfg); + return err; +} +#endif + +#ifndef LFS_READONLY +int lfs_fs_grow(lfs_t *lfs, lfs_size_t block_count) { + int err = LFS_LOCK(lfs->cfg); + if (err) { + return err; + } + LFS_TRACE("lfs_fs_grow(%p, %"PRIu32")", (void*)lfs, block_count); + + err = lfs_fs_grow_(lfs, block_count); + + LFS_TRACE("lfs_fs_grow -> %d", err); + LFS_UNLOCK(lfs->cfg); + return err; +} +#endif + +#ifdef LFS_MIGRATE +int lfs_migrate(lfs_t *lfs, const struct lfs_config *cfg) { + int err = LFS_LOCK(cfg); + if (err) { + return err; + } + LFS_TRACE("lfs_migrate(%p, %p {.context=%p, " + ".read=%p, .prog=%p, .erase=%p, .sync=%p, " + ".read_size=%"PRIu32", .prog_size=%"PRIu32", " + ".block_size=%"PRIu32", .block_count=%"PRIu32", " + ".block_cycles=%"PRId32", .cache_size=%"PRIu32", " + ".lookahead_size=%"PRIu32", .read_buffer=%p, " + ".prog_buffer=%p, .lookahead_buffer=%p, " + ".name_max=%"PRIu32", .file_max=%"PRIu32", " + ".attr_max=%"PRIu32"})", + (void*)lfs, (void*)cfg, cfg->context, + (void*)(uintptr_t)cfg->read, (void*)(uintptr_t)cfg->prog, + (void*)(uintptr_t)cfg->erase, (void*)(uintptr_t)cfg->sync, + cfg->read_size, cfg->prog_size, cfg->block_size, cfg->block_count, + cfg->block_cycles, cfg->cache_size, cfg->lookahead_size, + cfg->read_buffer, cfg->prog_buffer, cfg->lookahead_buffer, + cfg->name_max, cfg->file_max, cfg->attr_max); + + err = lfs_migrate_(lfs, cfg); + + LFS_TRACE("lfs_migrate -> %d", err); + LFS_UNLOCK(cfg); + return err; +} +#endif + diff --git a/Ganesha_II_V2/Core/Src/littlefs/lfs_port.c b/Ganesha_II_V2/Core/Src/littlefs/lfs_port.c new file mode 100644 index 0000000..8df57ab --- /dev/null +++ b/Ganesha_II_V2/Core/Src/littlefs/lfs_port.c @@ -0,0 +1,142 @@ +#include "main.h" +#include "lfs.h" +#include "lfs_port.h" + +extern SPI_HandleTypeDef hspi4; + +// Sets FLASH_CS low +static void csLow() { + HAL_GPIO_WritePin(GPIOE, GPIO_PIN_3, GPIO_PIN_RESET); +} + +// Sets FLASH_CS high +static void csHigh() { + HAL_GPIO_WritePin(GPIOE, GPIO_PIN_3, GPIO_PIN_SET); +} + +// Sends array of commands or data +static void spiSend(uint8_t *send, uint16_t size) { + HAL_SPI_Transmit(&hspi4, send, size, HAL_MAX_DELAY); +} + +// Receives data and stores in location +static void spiReceive(uint8_t *location, uint16_t size) { + HAL_SPI_Receive(&hspi4, location, size, HAL_MAX_DELAY); +} + +struct lfs_config lfsconfig = { + .read = lfs_read, + .prog = lfs_prog, + .erase = lfs_erase, + .sync = lfs_sync, + + .read_size = W25N_PAGE_SIZE, + .prog_size = W25N_PAGE_SIZE, + .block_size = W25N_BLOCK_SIZE, + .block_count = W25N_BLOCK_COUNT, + .cache_size = W25N_PAGE_SIZE, // Keep a multiple of page size + .lookahead_size = 128, // In BYTES, not bits (1 bit represents 1 block) + .block_cycles = 500, // Write to a block x times before moving on (lower better for wear leveling, higher better for performance) +}; + +int lfs_read(const struct lfs_config *c, lfs_block_t block, lfs_off_t offset, uint8_t *location, lfs_size_t size){ + // Calculate page to read from and column within page to start at + uint16_t page = block * W25N_PAGES_PER_BLOCK + (offset / W25N_PAGE_SIZE); + uint16_t col = offset % W25N_PAGE_SIZE; + + // Read full page and put into cache + csLow(); + uint8_t cmd1[] = { // 4 byte command as per datasheet (1 is command, 2 is dummy, 3 and 4 tell which page to read) + W25N_CMD_PAGE_DATA_READ, + (page >> 16) & 0xFF, + (page >> 8) & 0xFF, + page & 0xFF + }; + spiSend(cmd1, 4); + csHigh(); + HAL_Delay(1); // Page Data Read time is around 25-100 nanoseconds, so 1 millisecond is plenty wait + + // Read specific data from cache + csLow(); + uint8_t cmd2[] = { // 4 byte command as per datasheet (1 is command, 3 and 4 is where in page to start reading, 4 is dummy) + W25N_CMD_READ_FROM_BUFFER, + (col >> 8) & 0xFF, + col & 0xFF, + 0x00 + }; + spiSend(cmd2, 4); + spiReceive(location, size); + csHigh(); + + return 0; +} + +int lfs_prog(const struct lfs_config *c, lfs_block_t block, lfs_off_t offset, uint8_t *data, lfs_size_t size){ + // Calculate page to read from and column within page to start at + uint16_t page = block * W25N_PAGES_PER_BLOCK + (offset / W25N_PAGE_SIZE); + uint16_t col = offset % W25N_PAGE_SIZE; + + // Send Write Enable + uint8_t writeEnable = W25N_CMD_WRITE_ENABLE; + csLow(); + spiSend(&writeEnable, 1); + csHigh(); + + // Send Load Program Data + csLow(); + uint8_t cmd1[] = { + W25N_CMD_LOAD_PROGRAM_DATA, + (col >> 8) & 0xFF, + col & 0xFF + }; + spiSend(cmd1, 3); + spiSend(data, size); + csHigh(); + + // Send Program Execute command + csLow(); + uint8_t cmd2[] = { + W25N_CMD_PROGRAM_EXECUTE, + (page >> 16) & 0xFF, + (page >> 8) & 0xFF, + page & 0xFF + }; + spiSend(cmd2, 4); + csHigh(); + + // Wait for everything to be done (I want to use READ_STATUS_REGISTER to detect when the operation is done instead of always waiting 3 milliseconds. But if the operation always takes less than 3 milliseconds, it doesn't really matter) + HAL_Delay(3); + + return 0; +} + +int lfs_erase(const struct lfs_config *c, lfs_block_t block){ + // Calculate which page to erase + uint32_t page = block * W25N_PAGES_PER_BLOCK; + + // Send Write Enable + uint8_t writeEnable = W25N_CMD_WRITE_ENABLE; + csLow(); + spiSend(&writeEnable, 1); + csHigh(); + + // Send Block Erase + csLow(); + uint8_t cmd1[] = { + W25N_CMD_BLOCK_ERASE, + (page >> 16) && 0xFF, + (page >> 8) && 0xFf, + page & 0xFF + }; + spiSend(cmd1, 4); + csLow(); + + HAL_Delay(10); + + return 0; +} + +int lfs_sync(const struct lfs_config *c){ + // Writes and erases are sent immediately within the methods, so nothing to actually sync. Method is just required by lfs. + return 0; +} diff --git a/Ganesha_II_V2/Core/Src/littlefs/lfs_util.c b/Ganesha_II_V2/Core/Src/littlefs/lfs_util.c new file mode 100644 index 0000000..dac72ab --- /dev/null +++ b/Ganesha_II_V2/Core/Src/littlefs/lfs_util.c @@ -0,0 +1,37 @@ +/* + * lfs util functions + * + * Copyright (c) 2022, The littlefs authors. + * Copyright (c) 2017, Arm Limited. All rights reserved. + * SPDX-License-Identifier: BSD-3-Clause + */ +#include "lfs_util.h" + +// Only compile if user does not provide custom config +#ifndef LFS_CONFIG + + +// If user provides their own CRC impl we don't need this +#ifndef LFS_CRC +// Software CRC implementation with small lookup table +uint32_t lfs_crc(uint32_t crc, const void *buffer, size_t size) { + static const uint32_t rtable[16] = { + 0x00000000, 0x1db71064, 0x3b6e20c8, 0x26d930ac, + 0x76dc4190, 0x6b6b51f4, 0x4db26158, 0x5005713c, + 0xedb88320, 0xf00f9344, 0xd6d6a3e8, 0xcb61b38c, + 0x9b64c2b0, 0x86d3d2d4, 0xa00ae278, 0xbdbdf21c, + }; + + const uint8_t *data = buffer; + + for (size_t i = 0; i < size; i++) { + crc = (crc >> 4) ^ rtable[(crc ^ (data[i] >> 0)) & 0xf]; + crc = (crc >> 4) ^ rtable[(crc ^ (data[i] >> 4)) & 0xf]; + } + + return crc; +} +#endif + + +#endif From 6b906ba60b27c13590fceb91317ff0ad49b82610 Mon Sep 17 00:00:00 2001 From: Akki Garg Date: Fri, 6 Mar 2026 17:36:33 -0500 Subject: [PATCH 02/12] minor changes to the flash methods --- Ganesha_II_V2/.metadata/.ide.log | 338 +++ Ganesha_II_V2/.metadata/.lock | 0 Ganesha_II_V2/.metadata/.log | 61 + Ganesha_II_V2/.metadata/.log4j2.xml | 18 + .../2.3.200.202507011752 | 0 .../.plugins/org.eclipse.cdt.core/.log | 1 + .../org.eclipse.cdt.make.core/specs.c | 1 + .../org.eclipse.cdt.make.core/specs.cpp | 1 + .../dialog_settings.xml | 5 + .../.root/.indexes/history.version | 1 + .../.root/.indexes/properties.version | 1 + .../org.eclipse.core.resources/.root/1.tree | Bin 0 -> 81 bytes .../.safetable/org.eclipse.core.resources | Bin 0 -> 388 bytes .../com.st.stm32cube.ide.mcu.ide.oss.prefs | 2 + .../org.eclipse.cdt.debug.core.prefs | 2 + .../.settings/org.eclipse.cdt.ui.prefs | 4 + .../org.eclipse.core.resources.prefs | 2 + .../.settings/org.eclipse.debug.core.prefs | 5 + .../.settings/org.eclipse.debug.ui.prefs | 2 + .../.settings/org.eclipse.ui.ide.prefs | 4 + .../.settings/org.eclipse.ui.navigator.prefs | 2 + .../.settings/org.eclipse.ui.prefs | 2 + .../.settings/org.eclipse.ui.workbench.prefs | 12 + .../.settings/org.eclipse.urischeme.prefs | 2 + .../org.eclipse.e4.workbench/workbench.xmi | 2256 +++++++++++++++++ .../org.eclipse.ui.ide/dialog_settings.xml | 19 + .../dialog_settings.xml | 3 + .../org.eclipse.ui.workbench/workingsets.xml | 4 + Ganesha_II_V2/.metadata/version.ini | 3 + Ganesha_II_V2/Core/Inc/{littlefs => }/lfs.h | 0 .../Core/Inc/{littlefs => }/lfs_port.h | 9 +- .../Core/Inc/{littlefs => }/lfs_util.h | 0 Ganesha_II_V2/Core/Src/{littlefs => }/lfs.c | 0 .../Core/Src/{littlefs => }/lfs_port.c | 49 +- .../Core/Src/{littlefs => }/lfs_util.c | 0 Ganesha_II_V2/Core/Src/main.c | 84 +- Ganesha_II_V2/Ganesha_II_V2.ioc | 6 +- 37 files changed, 2882 insertions(+), 17 deletions(-) create mode 100644 Ganesha_II_V2/.metadata/.ide.log create mode 100644 Ganesha_II_V2/.metadata/.lock create mode 100644 Ganesha_II_V2/.metadata/.log create mode 100644 Ganesha_II_V2/.metadata/.log4j2.xml create mode 100644 Ganesha_II_V2/.metadata/.plugins/com.st.stm32cube.ide.mcu.informationcenter/2.3.200.202507011752 create mode 100644 Ganesha_II_V2/.metadata/.plugins/org.eclipse.cdt.core/.log create mode 100644 Ganesha_II_V2/.metadata/.plugins/org.eclipse.cdt.make.core/specs.c create mode 100644 Ganesha_II_V2/.metadata/.plugins/org.eclipse.cdt.make.core/specs.cpp create mode 100644 Ganesha_II_V2/.metadata/.plugins/org.eclipse.cdt.make.ui/dialog_settings.xml create mode 100644 Ganesha_II_V2/.metadata/.plugins/org.eclipse.core.resources/.root/.indexes/history.version create mode 100644 Ganesha_II_V2/.metadata/.plugins/org.eclipse.core.resources/.root/.indexes/properties.version create mode 100644 Ganesha_II_V2/.metadata/.plugins/org.eclipse.core.resources/.root/1.tree create mode 100644 Ganesha_II_V2/.metadata/.plugins/org.eclipse.core.resources/.safetable/org.eclipse.core.resources create mode 100644 Ganesha_II_V2/.metadata/.plugins/org.eclipse.core.runtime/.settings/com.st.stm32cube.ide.mcu.ide.oss.prefs create mode 100644 Ganesha_II_V2/.metadata/.plugins/org.eclipse.core.runtime/.settings/org.eclipse.cdt.debug.core.prefs create mode 100644 Ganesha_II_V2/.metadata/.plugins/org.eclipse.core.runtime/.settings/org.eclipse.cdt.ui.prefs create mode 100644 Ganesha_II_V2/.metadata/.plugins/org.eclipse.core.runtime/.settings/org.eclipse.core.resources.prefs create mode 100644 Ganesha_II_V2/.metadata/.plugins/org.eclipse.core.runtime/.settings/org.eclipse.debug.core.prefs create mode 100644 Ganesha_II_V2/.metadata/.plugins/org.eclipse.core.runtime/.settings/org.eclipse.debug.ui.prefs create mode 100644 Ganesha_II_V2/.metadata/.plugins/org.eclipse.core.runtime/.settings/org.eclipse.ui.ide.prefs create mode 100644 Ganesha_II_V2/.metadata/.plugins/org.eclipse.core.runtime/.settings/org.eclipse.ui.navigator.prefs create mode 100644 Ganesha_II_V2/.metadata/.plugins/org.eclipse.core.runtime/.settings/org.eclipse.ui.prefs create mode 100644 Ganesha_II_V2/.metadata/.plugins/org.eclipse.core.runtime/.settings/org.eclipse.ui.workbench.prefs create mode 100644 Ganesha_II_V2/.metadata/.plugins/org.eclipse.core.runtime/.settings/org.eclipse.urischeme.prefs create mode 100644 Ganesha_II_V2/.metadata/.plugins/org.eclipse.e4.workbench/workbench.xmi create mode 100644 Ganesha_II_V2/.metadata/.plugins/org.eclipse.ui.ide/dialog_settings.xml create mode 100644 Ganesha_II_V2/.metadata/.plugins/org.eclipse.ui.workbench/dialog_settings.xml create mode 100644 Ganesha_II_V2/.metadata/.plugins/org.eclipse.ui.workbench/workingsets.xml create mode 100644 Ganesha_II_V2/.metadata/version.ini rename Ganesha_II_V2/Core/Inc/{littlefs => }/lfs.h (100%) rename Ganesha_II_V2/Core/Inc/{littlefs => }/lfs_port.h (81%) rename Ganesha_II_V2/Core/Inc/{littlefs => }/lfs_util.h (100%) rename Ganesha_II_V2/Core/Src/{littlefs => }/lfs.c (100%) rename Ganesha_II_V2/Core/Src/{littlefs => }/lfs_port.c (79%) rename Ganesha_II_V2/Core/Src/{littlefs => }/lfs_util.c (100%) diff --git a/Ganesha_II_V2/.metadata/.ide.log b/Ganesha_II_V2/.metadata/.ide.log new file mode 100644 index 0000000..45bdd0c --- /dev/null +++ b/Ganesha_II_V2/.metadata/.ide.log @@ -0,0 +1,338 @@ +2026-02-06 17:25:11,515 [INFO] Activator:176 - + + +2026-02-06 17:25:11,516 [INFO] Activator:177 - !SESSION log4j initialized +2026-02-06 17:25:12,965 [ERROR] LogOutputStream:75 - [STDERR_REDIRECT] +2026-02-06 17:25:15,261 [INFO] LogOutputStream:77 - [STDOUT_REDIRECT] +2026-02-06 17:25:16,938 [INFO] ApplicationProperties:184 - Using Application install path: /Applications/STM32CubeIDE.app/Contents/Eclipse/plugins/com.st.stm32cube.common.mx_6.15.0.202507011659 +2026-02-06 17:25:16,950 [INFO] DbMcusXml:78 - Set database path to: /Applications/STM32CubeIDE.app/Contents/Eclipse/plugins/com.st.stm32cube.common.mx_6.15.0.202507011659//db//mcu/ +2026-02-06 17:25:16,950 [INFO] ApiDb:274 - Set plugin database path to: /Applications/STM32CubeIDE.app/Contents/Eclipse/plugins/com.st.stm32cube.common.mx_6.15.0.202507011659//db//plugins/boardmanager/ +2026-02-06 17:25:16,950 [WARN] ApiDb:259 - Overriding images path with different value: => /Applications/STM32CubeIDE.app/Contents/Eclipse/plugins/com.st.stm32cube.common.mx_6.15.0.202507011659//db//plugins/mcufinder/images/ +2026-02-06 17:25:16,982 [INFO] ApiDb:250 - Set database path to: /Users/akshitgarg/.stmcufinder/plugins/mcufinder//mcu/ +2026-02-06 17:25:16,983 [INFO] DbMcusAds:125 - Set database path to: /Users/akshitgarg/.stmcufinder/plugins/mcufinder//mcu/ +2026-02-06 17:25:16,985 [INFO] CrossReferenceDbSqlite:203 - Set database path to: /Users/akshitgarg/.stmcufinder/plugins/mcufinder//mcu/cs/ +2026-02-06 17:25:17,171 [INFO] RulesReader:64 - Compatibility file has been processed (317 Rules) +2026-02-06 17:25:17,236 [INFO] DbMcusXml:78 - Set database path to: /Applications/STM32CubeIDE.app/Contents/Eclipse/plugins/com.st.stm32cube.common.mx_6.15.0.202507011659//db//mcu/ +2026-02-06 17:25:17,236 [INFO] ApiDb:274 - Set plugin database path to: /Applications/STM32CubeIDE.app/Contents/Eclipse/plugins/com.st.stm32cube.common.mx_6.15.0.202507011659//db//plugins/boardmanager/ +2026-02-06 17:25:17,237 [INFO] ApiDb:261 - Set plugin images path to: /Applications/STM32CubeIDE.app/Contents/Eclipse/plugins/com.st.stm32cube.common.mx_6.15.0.202507011659//db//plugins/mcufinder/images/ +2026-02-06 17:25:17,237 [WARN] DbFile:41 - Overriding database path with different value: /Users/akshitgarg/.stmcufinder/plugins/mcufinder/ => /Users/akshitgarg/.stmcufinder/plugins/mcufinder +2026-02-06 17:25:17,237 [INFO] ApiDb:250 - Set database path to: /Users/akshitgarg/.stmcufinder/plugins/mcufinder//mcu/ +2026-02-06 17:25:17,237 [WARN] DbFile:41 - Overriding database path with different value: /Users/akshitgarg/.stmcufinder/plugins/mcufinder/ => /Users/akshitgarg/.stmcufinder/plugins/mcufinder +2026-02-06 17:25:17,237 [INFO] DbMcusAds:125 - Set database path to: /Users/akshitgarg/.stmcufinder/plugins/mcufinder//mcu/ +2026-02-06 17:25:17,237 [WARN] DbFile:41 - Overriding database path with different value: /Users/akshitgarg/.stmcufinder/plugins/mcufinder/ => /Users/akshitgarg/.stmcufinder/plugins/mcufinder +2026-02-06 17:25:17,237 [WARN] DbFile:41 - Overriding database path with different value: /Users/akshitgarg/.stmcufinder/plugins/mcufinder/ => /Users/akshitgarg/.stmcufinder/plugins/mcufinder +2026-02-06 17:25:17,237 [INFO] CrossReferenceDbSqlite:203 - Set database path to: /Users/akshitgarg/.stmcufinder/plugins/mcufinder//mcu/cs/ +2026-02-06 17:25:17,310 [INFO] MainPanel:274 - HeapMemory: 381681664 +2026-02-06 17:25:17,706 [INFO] DbMcusXml:78 - Set database path to: /Applications/STM32CubeIDE.app/Contents/Eclipse/plugins/com.st.stm32cube.common.mx_6.15.0.202507011659//db//mcu/ +2026-02-06 17:25:17,706 [INFO] ApiDb:274 - Set plugin database path to: /Applications/STM32CubeIDE.app/Contents/Eclipse/plugins/com.st.stm32cube.common.mx_6.15.0.202507011659//db//plugins/boardmanager/ +2026-02-06 17:25:17,706 [INFO] ApiDb:261 - Set plugin images path to: /Applications/STM32CubeIDE.app/Contents/Eclipse/plugins/com.st.stm32cube.common.mx_6.15.0.202507011659//db//plugins/mcufinder/images/ +2026-02-06 17:25:17,706 [WARN] DbFile:41 - Overriding database path with different value: /Users/akshitgarg/.stmcufinder/plugins/mcufinder/ => /Users/akshitgarg/.stmcufinder/plugins/mcufinder +2026-02-06 17:25:17,706 [INFO] ApiDb:250 - Set database path to: /Users/akshitgarg/.stmcufinder/plugins/mcufinder//mcu/ +2026-02-06 17:25:17,706 [WARN] DbFile:41 - Overriding database path with different value: /Users/akshitgarg/.stmcufinder/plugins/mcufinder/ => /Users/akshitgarg/.stmcufinder/plugins/mcufinder +2026-02-06 17:25:17,706 [INFO] DbMcusAds:125 - Set database path to: /Users/akshitgarg/.stmcufinder/plugins/mcufinder//mcu/ +2026-02-06 17:25:17,706 [WARN] DbFile:41 - Overriding database path with different value: /Users/akshitgarg/.stmcufinder/plugins/mcufinder/ => /Users/akshitgarg/.stmcufinder/plugins/mcufinder +2026-02-06 17:25:17,706 [WARN] DbFile:41 - Overriding database path with different value: /Users/akshitgarg/.stmcufinder/plugins/mcufinder/ => /Users/akshitgarg/.stmcufinder/plugins/mcufinder +2026-02-06 17:25:17,707 [INFO] CrossReferenceDbSqlite:203 - Set database path to: /Users/akshitgarg/.stmcufinder/plugins/mcufinder//mcu/cs/ +2026-02-06 17:25:17,728 [INFO] ApplicationProperties:184 - Using Application install path: /Applications/STM32CubeIDE.app/Contents/Eclipse/plugins/com.st.stm32cube.common.mx_6.15.0.202507011659 +2026-02-06 17:25:17,729 [INFO] PluginManage:196 - Search for loadable plugins [exclusion list=, ] +2026-02-06 17:25:17,731 [INFO] PluginManage:310 - Check plugin analytics +2026-02-06 17:25:18,431 [INFO] AnalyticsPlugin:253 - Accepted Software Licenses: +2026-02-06 17:25:18,453 [INFO] AnalyticsPlugin:255 - Accepted CMSIS Pack Licenses: +2026-02-06 17:25:18,462 [INFO] AnalyticsPlugin:257 - Accepted Firmware Licenses: FW.H7.1.11.0,FW.H7.1.12.0 +2026-02-06 17:25:18,535 [INFO] PluginManage:359 - Loaded plugin analytics (category:tool,tabindex:-1) +2026-02-06 17:25:18,543 [INFO] PluginManage:310 - Check plugin cadmodel +2026-02-06 17:25:18,613 [INFO] CADModel:105 - Init CAD model plugin +2026-02-06 17:25:18,614 [INFO] PluginManage:359 - Loaded plugin cadmodel (category:power,tabindex:5) +2026-02-06 17:25:18,616 [INFO] PluginManage:310 - Check plugin clock +2026-02-06 17:25:18,633 [INFO] PluginManage:359 - Loaded plugin clock (category:base,tabindex:2) +2026-02-06 17:25:18,635 [INFO] PluginManage:310 - Check plugin ddr +2026-02-06 17:25:18,638 [INFO] PluginManage:359 - Loaded plugin ddr (category:tool,tabindex:6) +2026-02-06 17:25:18,639 [INFO] PluginManage:310 - Check plugin filemanager +2026-02-06 17:25:18,825 [INFO] PluginManage:359 - Loaded plugin filemanager (category:base,tabindex:10) +2026-02-06 17:25:18,826 [INFO] PluginManage:310 - Check plugin ipmanager +2026-02-06 17:25:18,838 [INFO] PluginManage:359 - Loaded plugin ipmanager (category:base,tabindex:5) +2026-02-06 17:25:18,839 [INFO] PluginManage:310 - Check plugin lpbam +2026-02-06 17:25:18,848 [INFO] PluginManage:359 - Loaded plugin lpbam (category:base,tabindex:0) +2026-02-06 17:25:18,849 [INFO] PluginManage:310 - Check plugin memorymap +2026-02-06 17:25:18,858 [INFO] PluginManage:359 - Loaded plugin memorymap (category:base,tabindex:4) +2026-02-06 17:25:18,859 [INFO] PluginManage:310 - Check plugin pinoutandconfiguration +2026-02-06 17:25:18,863 [INFO] PluginManage:359 - Loaded plugin pinoutandconfiguration (category:base,tabindex:1) +2026-02-06 17:25:18,864 [INFO] PluginManage:310 - Check plugin pinoutconfig +2026-02-06 17:25:18,942 [WARN] SupportedApi:132 - Cannot load RTOS API schema: s4s-elt-must-match.1: The content of 'definitions' must match (annotation?, (simpleType | complexType)?, (unique | key | keyref)*)). A problem was found starting at: attribute. +2026-02-06 17:25:19,105 [INFO] PluginManage:359 - Loaded plugin pinoutconfig (category:base,tabindex:0) +2026-02-06 17:25:19,106 [INFO] PluginManage:310 - Check plugin power +2026-02-06 17:25:19,113 [INFO] PluginManage:359 - Loaded plugin power (category:power,tabindex:4) +2026-02-06 17:25:19,114 [INFO] PluginManage:310 - Check plugin projectmanager +2026-02-06 17:25:19,140 [INFO] PluginManage:359 - Loaded plugin projectmanager (category:projectmanager,tabindex:4) +2026-02-06 17:25:19,140 [INFO] PluginManage:310 - Check plugin rif +2026-02-06 17:25:19,145 [INFO] PluginManage:359 - Loaded plugin rif (category:base,tabindex:3) +2026-02-06 17:25:19,145 [INFO] PluginManage:310 - Check plugin thirdparty +2026-02-06 17:25:19,301 [INFO] PluginManage:359 - Loaded plugin thirdparty (category:base,tabindex:-1) +2026-02-06 17:25:19,302 [INFO] PluginManage:310 - Check plugin tools +2026-02-06 17:25:19,301 [WARN] IntegrityCheckThread:84 - waiting for thirdparty lock release [integrity check] +2026-02-06 17:25:19,303 [INFO] IntegrityCheckThread:86 - entering critical section [integrity check] +2026-02-06 17:25:19,304 [INFO] ThirdPartyUpdaterWithRetryManager:70 - Updater plugin not ready yet. [1/15] +2026-02-06 17:25:19,306 [INFO] PluginManage:359 - Loaded plugin tools (category:base,tabindex:7) +2026-02-06 17:25:19,306 [INFO] PluginManage:310 - Check plugin tutovideos +2026-02-06 17:25:19,457 [INFO] PluginManage:359 - Loaded plugin tutovideos (category:base,tabindex:-1) +2026-02-06 17:25:19,457 [INFO] PluginManage:310 - Check plugin updater +2026-02-06 17:25:19,483 [INFO] PluginManage:359 - Loaded plugin updater (category:base,tabindex:12) +2026-02-06 17:25:19,483 [INFO] PluginManage:310 - Check plugin userauth +2026-02-06 17:25:19,486 [INFO] UserAuth:118 - Init User Auth plugin +2026-02-06 17:25:19,487 [INFO] PluginManage:359 - Loaded plugin userauth (category:base,tabindex:14) +2026-02-06 17:25:19,488 [INFO] PluginManage:283 - PluginManage : Loaded plugins [18] +2026-02-06 17:25:19,674 [INFO] PinOutPanel:1589 - setPackage(No Configuration,No Configuration) +2026-02-06 17:25:19,765 [INFO] CADModel:165 - CPN selected for project level +2026-02-06 17:25:19,765 [INFO] CADModel:114 - Register for checkConnection events +2026-02-06 17:25:19,775 [INFO] IPUIPlugin:80 - create IPUIPlugin +2026-02-06 17:25:19,775 [INFO] PluginManager:220 - loadIPPluginJar : add mdma +2026-02-06 17:25:19,779 [INFO] IPUIPlugin:80 - create IPUIPlugin +2026-02-06 17:25:19,779 [INFO] PluginManager:220 - loadIPPluginJar : add freertos +2026-02-06 17:25:19,781 [INFO] IPUIPlugin:80 - create IPUIPlugin +2026-02-06 17:25:19,782 [INFO] PluginManager:220 - loadIPPluginJar : add gic +2026-02-06 17:25:19,787 [INFO] IPUIPlugin:80 - create IPUIPlugin +2026-02-06 17:25:19,788 [INFO] PluginManager:220 - loadIPPluginJar : add adc +2026-02-06 17:25:19,789 [INFO] IPUIPlugin:80 - create IPUIPlugin +2026-02-06 17:25:19,789 [INFO] PluginManager:220 - loadIPPluginJar : add gtzc +2026-02-06 17:25:19,789 [INFO] IPUIPlugin:80 - create IPUIPlugin +2026-02-06 17:25:19,789 [INFO] PluginManager:220 - loadIPPluginJar : add quadspi +2026-02-06 17:25:19,790 [INFO] IPUIPlugin:80 - create IPUIPlugin +2026-02-06 17:25:19,790 [INFO] PluginManager:220 - loadIPPluginJar : add aes +2026-02-06 17:25:19,791 [INFO] IPUIPlugin:80 - create IPUIPlugin +2026-02-06 17:25:19,791 [INFO] PluginManager:220 - loadIPPluginJar : add pdm2pcm +2026-02-06 17:25:19,792 [INFO] IPUIPlugin:80 - create IPUIPlugin +2026-02-06 17:25:19,792 [INFO] PluginManager:220 - loadIPPluginJar : add hash +2026-02-06 17:25:19,793 [INFO] IPUIPlugin:80 - create IPUIPlugin +2026-02-06 17:25:19,793 [INFO] PluginManager:220 - loadIPPluginJar : add tim +2026-02-06 17:25:19,794 [INFO] IPUIPlugin:80 - create IPUIPlugin +2026-02-06 17:25:19,794 [INFO] PluginManager:220 - loadIPPluginJar : add tsc +2026-02-06 17:25:19,795 [INFO] IPUIPlugin:80 - create IPUIPlugin +2026-02-06 17:25:19,795 [INFO] PluginManager:220 - loadIPPluginJar : add extmemmanager +2026-02-06 17:25:19,796 [INFO] IPUIPlugin:80 - create IPUIPlugin +2026-02-06 17:25:19,796 [INFO] PluginManager:220 - loadIPPluginJar : add ts +2026-02-06 17:25:19,797 [INFO] IPUIPlugin:80 - create IPUIPlugin +2026-02-06 17:25:19,797 [INFO] PluginManager:220 - loadIPPluginJar : add radio +2026-02-06 17:25:19,798 [INFO] IPUIPlugin:80 - create IPUIPlugin +2026-02-06 17:25:19,798 [INFO] PluginManager:220 - loadIPPluginJar : add can +2026-02-06 17:25:19,799 [INFO] IPUIPlugin:80 - create IPUIPlugin +2026-02-06 17:25:19,799 [INFO] PluginManager:220 - loadIPPluginJar : add dma3 +2026-02-06 17:25:19,800 [INFO] IPUIPlugin:80 - create IPUIPlugin +2026-02-06 17:25:19,800 [INFO] PluginManager:220 - loadIPPluginJar : add dfsdm +2026-02-06 17:25:19,801 [INFO] IPUIPlugin:80 - create IPUIPlugin +2026-02-06 17:25:19,801 [INFO] PluginManager:220 - loadIPPluginJar : add spi +2026-02-06 17:25:19,802 [INFO] IPUIPlugin:80 - create IPUIPlugin +2026-02-06 17:25:19,802 [INFO] PluginManager:220 - loadIPPluginJar : add gfxmmu +2026-02-06 17:25:19,803 [INFO] IPUIPlugin:80 - create IPUIPlugin +2026-02-06 17:25:19,804 [INFO] PluginManager:220 - loadIPPluginJar : add genericplugin +2026-02-06 17:25:19,805 [INFO] IPUIPlugin:80 - create IPUIPlugin +2026-02-06 17:25:19,805 [INFO] PluginManager:220 - loadIPPluginJar : add cryp +2026-02-06 17:25:19,808 [INFO] IPUIPlugin:80 - create IPUIPlugin +2026-02-06 17:25:19,808 [INFO] PluginManager:220 - loadIPPluginJar : add gpio +2026-02-06 17:25:19,810 [INFO] IPUIPlugin:80 - create IPUIPlugin +2026-02-06 17:25:19,810 [INFO] PluginManager:220 - loadIPPluginJar : add ddr_ctrl_phy +2026-02-06 17:25:19,811 [INFO] IPUIPlugin:80 - create IPUIPlugin +2026-02-06 17:25:19,811 [INFO] PluginManager:220 - loadIPPluginJar : add comp +2026-02-06 17:25:19,812 [INFO] IPUIPlugin:80 - create IPUIPlugin +2026-02-06 17:25:19,813 [INFO] PluginManager:220 - loadIPPluginJar : add tracer_emb +2026-02-06 17:25:19,815 [INFO] IPUIPlugin:80 - create IPUIPlugin +2026-02-06 17:25:19,815 [INFO] PluginManager:220 - loadIPPluginJar : add openamp +2026-02-06 17:25:19,818 [INFO] IPUIPlugin:80 - create IPUIPlugin +2026-02-06 17:25:19,818 [INFO] PluginManager:220 - loadIPPluginJar : add stm32_wpan +2026-02-06 17:25:19,821 [INFO] IPUIPlugin:80 - create IPUIPlugin +2026-02-06 17:25:19,823 [INFO] PluginManager:220 - loadIPPluginJar : add plateformsettings +2026-02-06 17:25:19,824 [INFO] IPUIPlugin:80 - create IPUIPlugin +2026-02-06 17:25:19,824 [INFO] PluginManager:220 - loadIPPluginJar : add ipddr +2026-02-06 17:25:19,825 [INFO] IPUIPlugin:80 - create IPUIPlugin +2026-02-06 17:25:19,825 [INFO] PluginManager:220 - loadIPPluginJar : add usart +2026-02-06 17:25:19,826 [INFO] IPUIPlugin:80 - create IPUIPlugin +2026-02-06 17:25:19,826 [INFO] PluginManager:220 - loadIPPluginJar : add ltdc +2026-02-06 17:25:19,827 [INFO] IPUIPlugin:80 - create IPUIPlugin +2026-02-06 17:25:19,827 [INFO] PluginManager:220 - loadIPPluginJar : add nvic +2026-02-06 17:25:19,828 [INFO] IPUIPlugin:80 - create IPUIPlugin +2026-02-06 17:25:19,828 [INFO] PluginManager:220 - loadIPPluginJar : add fatfs +2026-02-06 17:25:19,831 [INFO] IPUIPlugin:80 - create IPUIPlugin +2026-02-06 17:25:19,832 [INFO] PluginManager:220 - loadIPPluginJar : add linkedlist +2026-02-06 17:25:19,835 [INFO] IPUIPlugin:80 - create IPUIPlugin +2026-02-06 17:25:19,835 [INFO] PluginManager:220 - loadIPPluginJar : add dma +2026-02-06 17:25:19,838 [INFO] IPUIPlugin:80 - create IPUIPlugin +2026-02-06 17:25:19,838 [INFO] PluginManager:220 - loadIPPluginJar : add fmc +2026-02-06 17:25:19,840 [INFO] IPUIPlugin:80 - create IPUIPlugin +2026-02-06 17:25:19,840 [INFO] PluginManager:220 - loadIPPluginJar : add i2s +2026-02-06 17:25:19,842 [INFO] IPUIPlugin:80 - create IPUIPlugin +2026-02-06 17:25:19,843 [INFO] PluginManager:220 - loadIPPluginJar : add ucpd +2026-02-06 17:25:19,844 [INFO] IPUIPlugin:80 - create IPUIPlugin +2026-02-06 17:25:19,844 [INFO] PluginManager:220 - loadIPPluginJar : add lorawan +2026-02-06 17:25:19,845 [INFO] IPUIPlugin:80 - create IPUIPlugin +2026-02-06 17:25:19,846 [INFO] PluginManager:220 - loadIPPluginJar : add opamp +2026-02-06 17:25:19,847 [INFO] IPUIPlugin:80 - create IPUIPlugin +2026-02-06 17:25:19,847 [INFO] PluginManager:220 - loadIPPluginJar : add i3c +2026-02-06 17:25:19,848 [INFO] IPUIPlugin:80 - create IPUIPlugin +2026-02-06 17:25:19,848 [INFO] PluginManager:220 - loadIPPluginJar : add touchsensing +2026-02-06 17:25:19,850 [INFO] IPUIPlugin:80 - create IPUIPlugin +2026-02-06 17:25:19,850 [INFO] PluginManager:220 - loadIPPluginJar : add i2c +2026-02-06 17:25:19,852 [INFO] IPUIPlugin:80 - create IPUIPlugin +2026-02-06 17:25:19,852 [INFO] PluginManager:220 - loadIPPluginJar : add resmgrutility +2026-02-06 17:25:19,853 [INFO] IPUIPlugin:80 - create IPUIPlugin +2026-02-06 17:25:19,853 [INFO] PluginManager:220 - loadIPPluginJar : add sai +2026-02-06 17:25:19,854 [INFO] IPUIPlugin:80 - create IPUIPlugin +2026-02-06 17:25:19,855 [INFO] PluginManager:220 - loadIPPluginJar : add usbx +2026-02-06 17:25:19,968 [FATAL] Updater:351 - Updater called before beeing initialized +2026-02-06 17:25:20,022 [INFO] RulesReader:64 - Compatibility file has been processed (317 Rules) +2026-02-06 17:25:20,036 [INFO] RulesReader:64 - Compatibility file has been processed (317 Rules) +2026-02-06 17:25:20,043 [INFO] CADModel:165 - CPN selected for project level +2026-02-06 17:25:20,043 [INFO] CADModel:114 - Register for checkConnection events +2026-02-06 17:25:20,043 [FATAL] Updater:351 - Updater called before beeing initialized +2026-02-06 17:25:20,043 [ERROR] CADModel:125 - Updater not yet initialized, retry later +2026-02-06 17:25:20,390 [FATAL] Updater:351 - Updater called before beeing initialized +2026-02-06 17:25:20,399 [INFO] CADModel:165 - CPN selected for project level +2026-02-06 17:25:20,400 [INFO] CADModel:114 - Register for checkConnection events +2026-02-06 17:25:20,400 [FATAL] Updater:351 - Updater called before beeing initialized +2026-02-06 17:25:20,400 [ERROR] CADModel:125 - Updater not yet initialized, retry later +2026-02-06 17:25:20,405 [FATAL] Updater:351 - Updater called before beeing initialized +2026-02-06 17:25:20,664 [FATAL] Updater:351 - Updater called before beeing initialized +2026-02-06 17:25:20,675 [INFO] DbMcusAds:53 - JSON generation date=Thu Jan 08 10:57:51 EST 2026 (1767887871456) +2026-02-06 17:25:20,677 [FATAL] Updater:351 - Updater called before beeing initialized +2026-02-06 17:25:20,731 [WARN] DetailPanel:346 - Failed to get advertising image, set to default +2026-02-06 17:25:20,790 [FATAL] Updater:351 - Updater called before beeing initialized +2026-02-06 17:25:20,793 [FATAL] Updater:351 - Updater called before beeing initialized +2026-02-06 17:25:20,793 [FATAL] Updater:351 - Updater called before beeing initialized +2026-02-06 17:25:20,794 [WARN] DetailPanel:346 - Failed to get advertising image, set to default +2026-02-06 17:25:20,796 [FATAL] Updater:351 - Updater called before beeing initialized +2026-02-06 17:25:20,865 [ERROR] Updater:1198 - MainUpdater not yet initialized. External WinMGr cannot be set. +2026-02-06 17:25:20,878 [INFO] Updater:1134 - Updater Version found : 6.15.0 +2026-02-06 17:25:20,890 [INFO] ApplicationProperties:184 - Using Application install path: /Applications/STM32CubeIDE.app/Contents/Eclipse/plugins/com.st.stm32cube.common.mx_6.15.0.202507011659 +2026-02-06 17:25:21,278 [INFO] MainUpdater:2872 - connection check result : 10 +2026-02-06 17:25:21,278 [INFO] MainUpdater:289 - Updater Check For Update Now. +2026-02-06 17:25:21,278 [INFO] MicroXplorer:498 - Change Database Version : DB.6.0.150 +2026-02-06 17:25:21,284 [INFO] McuFinderGlobals:63 - Set McuFinder mode to 2 (CubeIDE integrated) +2026-02-06 17:25:21,285 [INFO] UserAuth:487 - Internet connection configuration mode: 1 +2026-02-06 17:25:21,297 [INFO] JxBrowserEngine:152 - Initiate JxBrowser Engine with user profile folder +2026-02-06 17:25:21,526 [INFO] CheckServerUpdateThread:120 - End of CheckServer Thread +2026-02-06 17:25:22,517 [WARN] PackLoader:240 - Cannot read IP mode file for STMicroelectronics.FP-SNS-MOTENVWB1.1.4.0 +2026-02-06 17:25:22,537 [WARN] PackLoader:240 - Cannot read IP mode file for STMicroelectronics.FP-ATR-ASTRA1.2.0.2 +2026-02-06 17:25:22,546 [WARN] PackLoader:240 - Cannot read IP mode file for STMicroelectronics.FP-ATR-ASTRA1.2.0.1 +2026-02-06 17:25:22,559 [WARN] PackLoader:240 - Cannot read IP mode file for STMicroelectronics.X-CUBE-SMBUS.2.1.0 +2026-02-06 17:25:22,566 [WARN] PackLoader:240 - Cannot read IP mode file for STMicroelectronics.X-CUBE-WB05N.1.1.0 +2026-02-06 17:25:22,571 [WARN] PackLoader:240 - Cannot read IP mode file for STMicroelectronics.X-CUBE-ST60.1.0.0 +2026-02-06 17:25:22,619 [WARN] PackLoader:240 - Cannot read IP mode file for STMicroelectronics.X-CUBE-AZRTOS-F7.1.1.0 +2026-02-06 17:25:22,662 [WARN] PackLoader:240 - Cannot read IP mode file for STMicroelectronics.FP-SNS-MOTENV1.5.1.0 +2026-02-06 17:25:22,671 [WARN] PackLoader:240 - Cannot read IP mode file for STMicroelectronics.FP-SNS-FLIGHT1.5.0.2 +2026-02-06 17:25:22,705 [WARN] PackLoader:240 - Cannot read IP mode file for Infineon.AIROC-Wi-Fi-Bluetooth-STM32.1.7.0 +2026-02-06 17:25:22,762 [WARN] PackLoader:240 - Cannot read IP mode file for STMicroelectronics.X-CUBE-AZRTOS-H7.3.4.0 +2026-02-06 17:25:22,790 [WARN] PackLoader:240 - Cannot read IP mode file for STMicroelectronics.X-CUBE-DISPLAY.3.0.0 +2026-02-06 17:25:22,808 [WARN] PackLoader:240 - Cannot read IP mode file for STMicroelectronics.X-CUBE-BLE1.7.0.0 +2026-02-06 17:25:22,820 [WARN] PackLoader:240 - Cannot read IP mode file for STMicroelectronics.X-CUBE-NFC10.1.0.0 +2026-02-06 17:25:22,837 [WARN] PackLoader:240 - Cannot read IP mode file for STMicroelectronics.X-CUBE-BLEMGR.4.0.0 +2026-02-06 17:25:22,862 [WARN] PackLoader:240 - Cannot read IP mode file for STMicroelectronics.X-CUBE-ST60.1.1.0 +2026-02-06 17:25:22,871 [WARN] PackLoader:240 - Cannot read IP mode file for emotas.I-CUBE-CANOPEN.1.3.0 +2026-02-06 17:25:22,883 [WARN] PackLoader:240 - Cannot read IP mode file for STMicroelectronics.X-CUBE-GNSS1.7.1.0 +2026-02-06 17:25:22,889 [WARN] PackLoader:240 - Cannot read IP mode file for STMicroelectronics.X-CUBE-AI.10.0.0 +2026-02-06 17:25:22,898 [WARN] PackLoader:240 - Cannot read IP mode file for STMicroelectronics.FP-SNS-STBOX1.2.1.0 +2026-02-06 17:25:22,906 [WARN] PackLoader:240 - Cannot read IP mode file for STMicroelectronics.FP-SNS-SMARTAG2.1.2.0 +2026-02-06 17:25:22,910 [WARN] PackLoader:240 - Cannot read IP mode file for STMicroelectronics.FP-SNS-FLIGHT1.5.1.0 +2026-02-06 17:25:22,989 [WARN] PackLoader:240 - Cannot read IP mode file for STMicroelectronics.X-CUBE-MEMS1.11.1.0 +2026-02-06 17:25:23,098 [INFO] LogOutputStream:77 - [STDOUT_REDIRECT] 1 : Invalid condition id : UX_CORESTACK_Condition cause : null +2026-02-06 17:25:23,100 [INFO] LogOutputStream:77 - [STDOUT_REDIRECT] 1 : Invalid condition id : UX_CORESTACK_Condition cause : null +2026-02-06 17:25:23,101 [INFO] LogOutputStream:77 - [STDOUT_REDIRECT] 1 : Invalid condition id : UX_CORESTACK_Condition cause : null +2026-02-06 17:25:23,101 [INFO] LogOutputStream:77 - [STDOUT_REDIRECT] 1 : Invalid condition id : UX_CORESTACK_Condition cause : null +2026-02-06 17:25:23,101 [INFO] LogOutputStream:77 - [STDOUT_REDIRECT] 1 : Invalid condition id : UX_CORESTACK_Condition cause : null +2026-02-06 17:25:23,106 [WARN] PackLoader:240 - Cannot read IP mode file for STMicroelectronics.X-CUBE-AZRTOS-WL.2.0.0 +2026-02-06 17:25:23,112 [WARN] PackLoader:240 - Cannot read IP mode file for STMicroelectronics.FP-SNS-MOTENV1.5.0.0 +2026-02-06 17:25:23,134 [WARN] PackLoader:240 - Cannot read IP mode file for STMicroelectronics.X-CUBE-AZRTOS-H7RS.1.2.0 +2026-02-06 17:25:23,145 [WARN] PackLoader:240 - Cannot read IP mode file for wolfSSL.I-CUBE-wolfMQTT.1.19.0 +2026-02-06 17:25:23,153 [WARN] PackLoader:240 - Cannot read IP mode file for WES.I-CUBE-Cesium.1.3.0 +2026-02-06 17:25:23,161 [WARN] PackLoader:240 - Cannot read IP mode file for STMicroelectronics.X-CUBE-BLE2.3.3.0 +2026-02-06 17:25:23,185 [WARN] PackLoader:240 - Cannot read IP mode file for STMicroelectronics.X-CUBE-NFC9.1.0.0 +2026-02-06 17:25:23,197 [WARN] PackLoader:240 - Cannot read IP mode file for STMicroelectronics.X-CUBE-BLE1.7.1.0 +2026-02-06 17:25:23,204 [WARN] PackLoader:240 - Cannot read IP mode file for STMicroelectronics.X-CUBE-FREERTOS.1.4.0 +2026-02-06 17:25:23,214 [WARN] PackLoader:240 - Cannot read IP mode file for STMicroelectronics.X-CUBE-EEPRMA1.5.2.0 +2026-02-06 17:25:23,224 [WARN] PackLoader:240 - Cannot read IP mode file for STMicroelectronics.X-CUBE-ST67W61.1.1.0 +2026-02-06 17:25:23,311 [WARN] PackLoader:240 - Cannot read IP mode file for STMicroelectronics.X-CUBE-MEMS1.12.0.0 +2026-02-06 17:25:23,439 [WARN] PackLoader:240 - Cannot read IP mode file for STMicroelectronics.X-CUBE-MEMS1.11.2.0 +2026-02-06 17:25:23,522 [WARN] PackLoader:240 - Cannot read IP mode file for STMicroelectronics.X-CUBE-AZRTOS-G0.1.1.0 +2026-02-06 17:25:23,534 [WARN] PackLoader:240 - Cannot read IP mode file for STMicroelectronics.X-CUBE-SAFEA1.1.2.2 +2026-02-06 17:25:23,541 [WARN] PackLoader:240 - Cannot read IP mode file for STMicroelectronics.X-CUBE-NFC4.3.0.0 +2026-02-06 17:25:23,558 [WARN] PackLoader:240 - Cannot read IP mode file for EmbeddedOffice.I-CUBE-FS-RTOS.1.0.1 +2026-02-06 17:25:23,581 [WARN] PackLoader:240 - Cannot read IP mode file for STMicroelectronics.X-CUBE-WB05N.2.0.0 +2026-02-06 17:25:23,606 [WARN] PackLoader:240 - Cannot read IP mode file for STMicroelectronics.X-CUBE-TCPP.4.2.0 +2026-02-06 17:25:23,629 [WARN] PackLoader:240 - Cannot read IP mode file for RealThread.X-CUBE-RT-Thread_Nano.4.1.1 +2026-02-06 17:25:23,642 [WARN] PackLoader:240 - Cannot read IP mode file for STMicroelectronics.FP-ATR-SIGFOX1.3.2.0 +2026-02-06 17:25:23,650 [WARN] ConditionMgr:438 - getConditionDescription Invalid condition id : Cortex-A Device cause : null +2026-02-06 17:25:23,668 [WARN] ConditionMgr:1044 - genDependencies : Invalid condition id : Cortex-A Device cause : null +2026-02-06 17:25:23,669 [WARN] ConditionMgr:1044 - genDependencies : Invalid condition id : Cortex-A Device cause : null +2026-02-06 17:25:23,669 [WARN] ConditionMgr:1044 - genDependencies : Invalid condition id : Cortex-A Device cause : null +2026-02-06 17:25:23,688 [WARN] PackLoader:240 - Cannot read IP mode file for STMicroelectronics.X-CUBE-EEPRMA1.5.1.0 +2026-02-06 17:25:23,700 [WARN] PackLoader:240 - Cannot read IP mode file for wolfSSL.I-CUBE-wolfSSL.5.7.6 +2026-02-06 17:25:23,715 [WARN] PackLoader:240 - Cannot read IP mode file for ITTIA_DB.I-CUBE-ITTIADB.8.9.0 +2026-02-06 17:25:23,729 [WARN] PackLoader:240 - Cannot read IP mode file for STMicroelectronics.X-CUBE-NFC6.3.2.0 +2026-02-06 17:25:23,741 [WARN] PackLoader:240 - Cannot read IP mode file for STMicroelectronics.X-CUBE-ST67W61.1.0.0 +2026-02-06 17:25:23,757 [WARN] PackLoader:240 - Cannot read IP mode file for STMicroelectronics.X-CUBE-AI.10.2.0 +2026-02-06 17:25:23,915 [WARN] PackLoader:240 - Cannot read IP mode file for SEGGER.I-CUBE-embOS.1.3.1 +2026-02-06 17:25:24,069 [WARN] PackLoader:240 - Cannot read IP mode file for STMicroelectronics.X-CUBE-ALGOBUILD.1.4.0 +2026-02-06 17:25:24,157 [WARN] PackLoader:240 - Cannot read IP mode file for STMicroelectronics.X-CUBE-MEMS1.11.3.0 +2026-02-06 17:25:24,220 [WARN] PackLoader:240 - Cannot read IP mode file for STMicroelectronics.X-CUBE-PM33A1.1.0.0 +2026-02-06 17:25:24,238 [WARN] PackLoader:240 - Cannot read IP mode file for STMicroelectronics.X-CUBE-AZRTOS-F4.1.1.0 +2026-02-06 17:25:24,252 [WARN] PackLoader:240 - Cannot read IP mode file for Avnet-IotConnect.X-CUBE-IoTC-DA16k-PMOD.1.0.0 +2026-02-06 17:25:24,264 [WARN] PackLoader:240 - Cannot read IP mode file for STMicroelectronics.X-CUBE-ISPU.2.1.0 +2026-02-06 17:25:24,277 [WARN] PackLoader:240 - Cannot read IP mode file for STMicroelectronics.X-CUBE-IPS.3.2.0 +2026-02-06 17:25:24,291 [WARN] PackLoader:240 - Cannot read IP mode file for STMicroelectronics.X-CUBE-NFC12.1.0.0 +2026-02-06 17:25:24,318 [WARN] PackLoader:240 - Cannot read IP mode file for STMicroelectronics.X-CUBE-AZRTOS-L5.2.0.0 +2026-02-06 17:25:24,343 [WARN] PackLoader:240 - Cannot read IP mode file for STMicroelectronics.X-CUBE-NFC6.3.1.0 +2026-02-06 17:25:24,352 [WARN] PackLoader:240 - Cannot read IP mode file for STMicroelectronics.X-CUBE-DPower.1.2.0 +2026-02-06 17:25:24,361 [WARN] PackLoader:240 - Cannot read IP mode file for STMicroelectronics.X-CUBE-FREERTOS.1.3.1 +2026-02-06 17:25:24,365 [WARN] PackLoader:240 - Cannot read IP mode file for STMicroelectronics.X-CUBE-FREERTOS.1.3.0 +2026-02-06 17:25:24,368 [WARN] PackLoader:240 - Cannot read IP mode file for STMicroelectronics.X-CUBE-NFC7.1.0.1 +2026-02-06 17:25:24,387 [WARN] PackLoader:240 - Cannot read IP mode file for STMicroelectronics.X-CUBE-TOUCHGFX.4.26.0 +2026-02-06 17:25:24,393 [WARN] PackLoader:240 - Cannot read IP mode file for STMicroelectronics.FP-SNS-STAIOTCFT.1.0.0 +2026-02-06 17:25:24,397 [WARN] PackLoader:240 - Cannot read IP mode file for STMicroelectronics.X-CUBE-DPower.1.3.0 +2026-02-06 17:25:24,415 [WARN] ConditionMgr:438 - getConditionDescription Invalid condition id : LAN8742 Phy interface Condition cause : null +2026-02-06 17:25:24,416 [WARN] PackLoader:240 - Cannot read IP mode file for STMicroelectronics.X-CUBE-AZRTOS-L4.2.0.0 +2026-02-06 17:25:24,418 [WARN] ConditionMgr:1044 - genDependencies : Invalid condition id : LAN8742 Phy interface Condition cause : null +2026-02-06 17:25:24,419 [WARN] ConditionMgr:1044 - genDependencies : Invalid condition id : LAN8742 Phy interface Condition cause : null +2026-02-06 17:25:24,419 [WARN] ConditionMgr:1044 - genDependencies : Invalid condition id : LAN8742 Phy interface Condition cause : null +2026-02-06 17:25:24,425 [WARN] PackLoader:240 - Cannot read IP mode file for STMicroelectronics.X-CUBE-SFXS2LP1.4.0.0 +2026-02-06 17:25:24,431 [WARN] PackLoader:240 - Cannot read IP mode file for STMicroelectronics.X-CUBE-ST67W61.1.2.0 +2026-02-06 17:25:24,452 [WARN] PackLoader:240 - Cannot read IP mode file for STMicroelectronics.X-CUBE-AZRTOS-H7.3.3.0 +2026-02-06 17:25:24,470 [WARN] PackLoader:240 - Cannot read IP mode file for STMicroelectronics.X-CUBE-BLEMGR.4.1.0 +2026-02-06 17:25:24,485 [WARN] ConditionMgr:438 - getConditionDescription Invalid condition id : UX DEVICE CLASS RTOS Condition cause : null +2026-02-06 17:25:24,486 [WARN] ConditionMgr:438 - getConditionDescription Invalid condition id : UX DEVICE CLASS RTOS Condition cause : null +2026-02-06 17:25:24,489 [WARN] PackLoader:240 - Cannot read IP mode file for STMicroelectronics.X-CUBE-AZRTOS-WB.2.0.0 +2026-02-06 17:25:24,490 [WARN] ConditionMgr:1044 - genDependencies : Invalid condition id : UX DEVICE CLASS RTOS Condition cause : null +2026-02-06 17:25:24,490 [WARN] ConditionMgr:1044 - genDependencies : Invalid condition id : UX DEVICE CLASS RTOS Condition cause : null +2026-02-06 17:25:24,490 [WARN] ConditionMgr:1044 - genDependencies : Invalid condition id : UX DEVICE CLASS RTOS Condition cause : null +2026-02-06 17:25:24,491 [WARN] ConditionMgr:1044 - genDependencies : Invalid condition id : UX DEVICE CLASS RTOS Condition cause : null +2026-02-06 17:25:24,491 [WARN] ConditionMgr:1044 - genDependencies : Invalid condition id : UX DEVICE CLASS RTOS Condition cause : null +2026-02-06 17:25:24,496 [WARN] PackLoader:240 - Cannot read IP mode file for STMicroelectronics.X-CUBE-GNSS1.7.0.1 +2026-02-06 17:25:24,518 [WARN] PackLoader:240 - Cannot read IP mode file for STMicroelectronics.X-CUBE-TOUCHGFX.4.25.0 +2026-02-06 17:25:24,524 [WARN] PackLoader:240 - Cannot read IP mode file for STMicroelectronics.FP-SNS-STBOX1.2.0.0 +2026-02-06 17:25:24,532 [WARN] PackLoader:240 - Cannot read IP mode file for STMicroelectronics.X-CUBE-STSE01.2.0.0 +2026-02-06 17:25:24,553 [WARN] PackLoader:240 - Cannot read IP mode file for STMicroelectronics.X-CUBE-SUBG2.5.0.0 +2026-02-06 17:25:24,592 [WARN] PackLoader:240 - Cannot read IP mode file for STMicroelectronics.X-CUBE-AZRTOS-H7RS.1.1.0 +2026-02-06 17:25:24,601 [WARN] PackLoader:240 - Cannot read IP mode file for Cesanta.I-CUBE-Mongoose.7.13.0 +2026-02-06 17:25:24,616 [WARN] PackLoader:240 - Cannot read IP mode file for STMicroelectronics.X-CUBE-AZRTOS-G4.2.0.0 +2026-02-06 17:25:24,633 [WARN] PackLoader:240 - Cannot read IP mode file for STMicroelectronics.X-CUBE-NFC7.2.0.0 +2026-02-06 17:25:24,644 [WARN] PackLoader:240 - Cannot read IP mode file for STMicroelectronics.X-CUBE-IPS.3.1.0 +2026-02-06 17:25:24,658 [WARN] PackLoader:240 - Cannot read IP mode file for STMicroelectronics.X-CUBE-ALS.1.0.2 +2026-02-06 17:25:24,662 [WARN] PackLoader:240 - Cannot read IP mode file for STMicroelectronics.X-CUBE-TOUCHGFX.4.24.2 +2026-02-06 17:25:24,669 [WARN] PackLoader:240 - Cannot read IP mode file for STMicroelectronics.X-CUBE-STSE01.1.0.0 +2026-02-06 17:25:24,673 [WARN] PackLoader:240 - Cannot read IP mode file for wolfSSL.I-CUBE-wolfTPM.3.4.0 +2026-02-06 17:25:24,678 [WARN] PackLoader:240 - Cannot read IP mode file for portGmbH.I-Cube-SoM-uGOAL.1.1.0 +2026-02-06 17:25:24,703 [WARN] PackLoader:240 - Cannot read IP mode file for STMicroelectronics.X-CUBE-AZRTOS-H7RS.1.0.0 +2026-02-06 17:25:24,717 [WARN] PackLoader:240 - Cannot read IP mode file for STMicroelectronics.X-CUBE-TOF1.3.4.2 +2026-02-06 17:25:24,734 [WARN] PackLoader:240 - Cannot read IP mode file for STMicroelectronics.X-CUBE-TOF1.3.4.3 +2026-02-06 17:25:24,742 [WARN] PackLoader:240 - Cannot read IP mode file for wolfSSL.I-CUBE-wolfSSH.1.4.17 +2026-02-06 17:25:24,756 [INFO] ThirdParty:978 - Integrity check success = true +2026-02-06 17:25:24,756 [INFO] IntegrityCheckThread:100 - exiting critical section [integrity check] +2026-02-06 17:25:24,756 [INFO] IntegrityCheckThread:103 - End integrity checks thread +2026-02-06 17:25:25,691 [INFO] WebApp:169 - Instantiating new browser for Auth +2026-02-06 17:25:27,099 [INFO] WebApp:463 - Apply proxy settings +2026-02-06 17:25:27,122 [INFO] WebApp:508 - Chromium authenticates against Manually configured proxy +2026-02-06 17:25:27,134 [INFO] WebApp:516 - Username used for proxy authentication: +2026-02-06 17:25:27,173 [INFO] WebApp:900 - Register for checkConnection events +2026-02-06 17:25:27,174 [INFO] WebApp:463 - Apply proxy settings +2026-02-06 17:25:27,179 [INFO] WebApp:508 - Chromium authenticates against Manually configured proxy +2026-02-06 17:25:27,179 [INFO] WebApp:516 - Username used for proxy authentication: +2026-02-06 17:25:27,331 [INFO] WebApp:225 - Starting web application +2026-02-06 17:25:27,332 [INFO] WebApp:593 - Web application path used /Applications/STM32CubeIDE.app/Contents/Eclipse/plugins/com.st.stm32cube.common.mx_6.15.0.202507011659/db/plugins/mcufinder/reactClient1/index.html +2026-02-06 17:25:27,699 [INFO] WebApp:191 - Connection restablished +2026-02-06 17:25:28,031 [INFO] UserAuth:487 - Internet connection configuration mode: 1 diff --git a/Ganesha_II_V2/.metadata/.lock b/Ganesha_II_V2/.metadata/.lock new file mode 100644 index 0000000..e69de29 diff --git a/Ganesha_II_V2/.metadata/.log b/Ganesha_II_V2/.metadata/.log new file mode 100644 index 0000000..fcc5b6d --- /dev/null +++ b/Ganesha_II_V2/.metadata/.log @@ -0,0 +1,61 @@ +!SESSION 2026-02-06 17:24:47.422 ----------------------------------------------- +eclipse.buildId=Version 1.19.0 +java.version=21.0.3 +java.vendor=Eclipse Adoptium +BootLoader constants: OS=macosx, ARCH=x86_64, WS=cocoa, NL=en_US +Framework arguments: -keyring /Users/akshitgarg/.eclipse_keyring +Command-line arguments: -os macosx -ws cocoa -arch x86_64 -keyring /Users/akshitgarg/.eclipse_keyring + +!ENTRY org.eclipse.egit.core 1 0 2026-02-06 17:25:07.486 +!MESSAGE Using Apache MINA sshd as ssh client. + +!ENTRY com.st.stm32cube.ide.mcu.informationcenter 4 4 2026-02-06 17:25:11.357 +!MESSAGE CubeMX plugin appears to be active, Log4j initialization might be too late. + +!ENTRY com.st.stm32cube.ide.mcu.informationcenter 1 1 2026-02-06 17:25:11.357 +!MESSAGE Log4j2 initialized with config file /Users/akshitgarg/code/RRPL/Ganesha/Ganesha_vII/Ganesha_II_V2/.metadata/.log4j2.xml + +!ENTRY com.st.stm32cube.ide.mcu.ide 1 1 2026-02-06 17:25:15.751 +!MESSAGE Started RMI Server, listening on port 41337 + +!ENTRY org.eclipse.equinox.p2.metadata.repository 4 0 2026-02-06 17:25:51.350 +!MESSAGE Unexpected error loading extension: org.eclipse.equinox.p2.metadata.repository.compositeRepository +!STACK 0 +java.lang.IllegalStateException: bundle org.eclipse.equinox.p2.repository is not started + at org.eclipse.equinox.internal.p2.repository.Activator.getContext(Activator.java:65) + at org.eclipse.equinox.internal.p2.repository.helpers.AbstractRepositoryManager.restoreFromSystemProperty(AbstractRepositoryManager.java:1031) + at org.eclipse.equinox.internal.p2.repository.helpers.AbstractRepositoryManager.restoreRepositories(AbstractRepositoryManager.java:1051) + at org.eclipse.equinox.internal.p2.repository.helpers.AbstractRepositoryManager.getRepositoryProperty(AbstractRepositoryManager.java:583) + at org.eclipse.equinox.internal.p2.repository.helpers.AbstractRepositoryManager.loadRepository(AbstractRepositoryManager.java:715) + at org.eclipse.equinox.internal.p2.metadata.repository.MetadataRepositoryManager.loadRepository(MetadataRepositoryManager.java:110) + at org.eclipse.equinox.internal.p2.metadata.repository.MetadataRepositoryManager.loadRepository(MetadataRepositoryManager.java:105) + at org.eclipse.equinox.internal.p2.metadata.repository.CompositeMetadataRepository.addChild(CompositeMetadataRepository.java:161) + at org.eclipse.equinox.internal.p2.metadata.repository.CompositeMetadataRepository.(CompositeMetadataRepository.java:93) + at org.eclipse.equinox.internal.p2.metadata.repository.CompositeMetadataRepositoryFactory.load(CompositeMetadataRepositoryFactory.java:124) + at org.eclipse.equinox.internal.p2.metadata.repository.MetadataRepositoryManager.factoryLoad(MetadataRepositoryManager.java:63) + at org.eclipse.equinox.internal.p2.repository.helpers.AbstractRepositoryManager.loadRepository(AbstractRepositoryManager.java:799) + at org.eclipse.equinox.internal.p2.repository.helpers.AbstractRepositoryManager.loadRepository(AbstractRepositoryManager.java:697) + at org.eclipse.equinox.internal.p2.metadata.repository.MetadataRepositoryManager.loadRepository(MetadataRepositoryManager.java:110) + at org.eclipse.equinox.internal.p2.metadata.repository.MetadataRepositoryManager.loadRepository(MetadataRepositoryManager.java:105) + at org.eclipse.equinox.internal.p2.updatechecker.UpdateChecker.getAvailableRepositories(UpdateChecker.java:164) + at org.eclipse.equinox.internal.p2.updatechecker.UpdateChecker.checkForUpdates(UpdateChecker.java:144) + at org.eclipse.equinox.internal.p2.updatechecker.UpdateChecker$UpdateCheckThread.run(UpdateChecker.java:83) + +!ENTRY org.eclipse.equinox.p2.metadata.repository 4 1000 2026-02-06 17:25:51.352 +!MESSAGE No repository found at https://sw-center.st.com/stm32cubeide/openstlinux/updatesite1. + +!ENTRY org.eclipse.equinox.p2.updatechecker 4 0 2026-02-06 17:25:51.352 +!MESSAGE Exception in update check thread +!STACK 0 +java.lang.IllegalStateException: bundle org.eclipse.equinox.p2.repository is not started + at org.eclipse.equinox.internal.p2.repository.Activator.getContext(Activator.java:65) + at org.eclipse.equinox.internal.p2.repository.helpers.AbstractRepositoryManager.getPreferences(AbstractRepositoryManager.java:518) + at org.eclipse.equinox.internal.p2.repository.helpers.AbstractRepositoryManager.remember(AbstractRepositoryManager.java:914) + at org.eclipse.equinox.internal.p2.repository.helpers.AbstractRepositoryManager.addRepository(AbstractRepositoryManager.java:178) + at org.eclipse.equinox.internal.p2.repository.helpers.AbstractRepositoryManager.addRepository(AbstractRepositoryManager.java:163) + at org.eclipse.equinox.internal.p2.repository.helpers.AbstractRepositoryManager.loadRepository(AbstractRepositoryManager.java:684) + at org.eclipse.equinox.internal.p2.metadata.repository.MetadataRepositoryManager.loadRepository(MetadataRepositoryManager.java:110) + at org.eclipse.equinox.internal.p2.metadata.repository.MetadataRepositoryManager.loadRepository(MetadataRepositoryManager.java:105) + at org.eclipse.equinox.internal.p2.updatechecker.UpdateChecker.getAvailableRepositories(UpdateChecker.java:164) + at org.eclipse.equinox.internal.p2.updatechecker.UpdateChecker.checkForUpdates(UpdateChecker.java:144) + at org.eclipse.equinox.internal.p2.updatechecker.UpdateChecker$UpdateCheckThread.run(UpdateChecker.java:83) diff --git a/Ganesha_II_V2/.metadata/.log4j2.xml b/Ganesha_II_V2/.metadata/.log4j2.xml new file mode 100644 index 0000000..b4d4768 --- /dev/null +++ b/Ganesha_II_V2/.metadata/.log4j2.xml @@ -0,0 +1,18 @@ + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/Ganesha_II_V2/.metadata/.plugins/com.st.stm32cube.ide.mcu.informationcenter/2.3.200.202507011752 b/Ganesha_II_V2/.metadata/.plugins/com.st.stm32cube.ide.mcu.informationcenter/2.3.200.202507011752 new file mode 100644 index 0000000..e69de29 diff --git a/Ganesha_II_V2/.metadata/.plugins/org.eclipse.cdt.core/.log b/Ganesha_II_V2/.metadata/.plugins/org.eclipse.cdt.core/.log new file mode 100644 index 0000000..37fa472 --- /dev/null +++ b/Ganesha_II_V2/.metadata/.plugins/org.eclipse.cdt.core/.log @@ -0,0 +1 @@ +*** SESSION Feb 06, 2026 17:25:09.473 ------------------------------------------ diff --git a/Ganesha_II_V2/.metadata/.plugins/org.eclipse.cdt.make.core/specs.c b/Ganesha_II_V2/.metadata/.plugins/org.eclipse.cdt.make.core/specs.c new file mode 100644 index 0000000..8b13789 --- /dev/null +++ b/Ganesha_II_V2/.metadata/.plugins/org.eclipse.cdt.make.core/specs.c @@ -0,0 +1 @@ + diff --git a/Ganesha_II_V2/.metadata/.plugins/org.eclipse.cdt.make.core/specs.cpp b/Ganesha_II_V2/.metadata/.plugins/org.eclipse.cdt.make.core/specs.cpp new file mode 100644 index 0000000..8b13789 --- /dev/null +++ b/Ganesha_II_V2/.metadata/.plugins/org.eclipse.cdt.make.core/specs.cpp @@ -0,0 +1 @@ + diff --git a/Ganesha_II_V2/.metadata/.plugins/org.eclipse.cdt.make.ui/dialog_settings.xml b/Ganesha_II_V2/.metadata/.plugins/org.eclipse.cdt.make.ui/dialog_settings.xml new file mode 100644 index 0000000..1cb58a4 --- /dev/null +++ b/Ganesha_II_V2/.metadata/.plugins/org.eclipse.cdt.make.ui/dialog_settings.xml @@ -0,0 +1,5 @@ + +
+
+
+
diff --git a/Ganesha_II_V2/.metadata/.plugins/org.eclipse.core.resources/.root/.indexes/history.version b/Ganesha_II_V2/.metadata/.plugins/org.eclipse.core.resources/.root/.indexes/history.version new file mode 100644 index 0000000..25cb955 --- /dev/null +++ b/Ganesha_II_V2/.metadata/.plugins/org.eclipse.core.resources/.root/.indexes/history.version @@ -0,0 +1 @@ + \ No newline at end of file diff --git a/Ganesha_II_V2/.metadata/.plugins/org.eclipse.core.resources/.root/.indexes/properties.version b/Ganesha_II_V2/.metadata/.plugins/org.eclipse.core.resources/.root/.indexes/properties.version new file mode 100644 index 0000000..6b2aaa7 --- /dev/null +++ b/Ganesha_II_V2/.metadata/.plugins/org.eclipse.core.resources/.root/.indexes/properties.version @@ -0,0 +1 @@ + \ No newline at end of file diff --git a/Ganesha_II_V2/.metadata/.plugins/org.eclipse.core.resources/.root/1.tree b/Ganesha_II_V2/.metadata/.plugins/org.eclipse.core.resources/.root/1.tree new file mode 100644 index 0000000000000000000000000000000000000000..14482a9fa3a82b0aeefab363cccce2ee70391694 GIT binary patch literal 81 zcmZQ!W@2K102mGB!YM`uk^G``z0~BK%!1-nz2uYyJl Ce+S3_ literal 0 HcmV?d00001 diff --git a/Ganesha_II_V2/.metadata/.plugins/org.eclipse.core.resources/.safetable/org.eclipse.core.resources b/Ganesha_II_V2/.metadata/.plugins/org.eclipse.core.resources/.safetable/org.eclipse.core.resources new file mode 100644 index 0000000000000000000000000000000000000000..90bc78ba3e92cfac38cdd09c6977107b52f4f0d2 GIT binary patch literal 388 zcmZ?R*xjhShe1S2b=vdAllRFf=Oz}Hq!uZZBqrsgaw)qNWh%I(CMg)0DHxht8JSv{ z8Ys91hbR~s7@2YD>y;FxrrH{ErKIMRB)V18Own;KY{TXG$U`287dZ{X*i>fPnX9H`-r\n\n \n \n \n \n \n\n diff --git a/Ganesha_II_V2/.metadata/.plugins/org.eclipse.core.runtime/.settings/org.eclipse.cdt.ui.prefs b/Ganesha_II_V2/.metadata/.plugins/org.eclipse.core.runtime/.settings/org.eclipse.cdt.ui.prefs new file mode 100644 index 0000000..5e2da66 --- /dev/null +++ b/Ganesha_II_V2/.metadata/.plugins/org.eclipse.core.runtime/.settings/org.eclipse.cdt.ui.prefs @@ -0,0 +1,4 @@ +eclipse.preferences.version=1 +spelling_locale_initialized=true +useAnnotationsPrefPage=true +useQuickDiffPrefPage=true diff --git a/Ganesha_II_V2/.metadata/.plugins/org.eclipse.core.runtime/.settings/org.eclipse.core.resources.prefs b/Ganesha_II_V2/.metadata/.plugins/org.eclipse.core.runtime/.settings/org.eclipse.core.resources.prefs new file mode 100644 index 0000000..dffc6b5 --- /dev/null +++ b/Ganesha_II_V2/.metadata/.plugins/org.eclipse.core.runtime/.settings/org.eclipse.core.resources.prefs @@ -0,0 +1,2 @@ +eclipse.preferences.version=1 +version=1 diff --git a/Ganesha_II_V2/.metadata/.plugins/org.eclipse.core.runtime/.settings/org.eclipse.debug.core.prefs b/Ganesha_II_V2/.metadata/.plugins/org.eclipse.core.runtime/.settings/org.eclipse.debug.core.prefs new file mode 100644 index 0000000..dd78b8d --- /dev/null +++ b/Ganesha_II_V2/.metadata/.plugins/org.eclipse.core.runtime/.settings/org.eclipse.debug.core.prefs @@ -0,0 +1,5 @@ +//org.eclipse.debug.core.PREFERRED_DELEGATES/org.eclipse.cdt.launch.applicationLaunchType=org.eclipse.cdt.dsf.gdb.launch.localCLaunch,debug,;org.eclipse.cdt.cdi.launch.localCLaunch,run,; +//org.eclipse.debug.core.PREFERRED_DELEGATES/org.eclipse.cdt.launch.attachLaunchType=org.eclipse.cdt.dsf.gdb.launch.attachCLaunch,debug,; +//org.eclipse.debug.core.PREFERRED_DELEGATES/org.eclipse.cdt.launch.postmortemLaunchType=org.eclipse.cdt.dsf.gdb.launch.coreCLaunch,debug,; +//org.eclipse.debug.core.PREFERRED_DELEGATES/org.eclipse.cdt.launch.remoteApplicationLaunchType=org.eclipse.rse.remotecdt.dsf.debug,debug,; +eclipse.preferences.version=1 diff --git a/Ganesha_II_V2/.metadata/.plugins/org.eclipse.core.runtime/.settings/org.eclipse.debug.ui.prefs b/Ganesha_II_V2/.metadata/.plugins/org.eclipse.core.runtime/.settings/org.eclipse.debug.ui.prefs new file mode 100644 index 0000000..6e6c73f --- /dev/null +++ b/Ganesha_II_V2/.metadata/.plugins/org.eclipse.core.runtime/.settings/org.eclipse.debug.ui.prefs @@ -0,0 +1,2 @@ +eclipse.preferences.version=1 +org.eclipse.debug.ui.PREF_LAUNCH_PERSPECTIVES=\n\n diff --git a/Ganesha_II_V2/.metadata/.plugins/org.eclipse.core.runtime/.settings/org.eclipse.ui.ide.prefs b/Ganesha_II_V2/.metadata/.plugins/org.eclipse.core.runtime/.settings/org.eclipse.ui.ide.prefs new file mode 100644 index 0000000..e4533b1 --- /dev/null +++ b/Ganesha_II_V2/.metadata/.plugins/org.eclipse.core.runtime/.settings/org.eclipse.ui.ide.prefs @@ -0,0 +1,4 @@ +eclipse.preferences.version=1 +platformState=786064110972819 +quickStart=false +tipsAndTricks=true diff --git a/Ganesha_II_V2/.metadata/.plugins/org.eclipse.core.runtime/.settings/org.eclipse.ui.navigator.prefs b/Ganesha_II_V2/.metadata/.plugins/org.eclipse.core.runtime/.settings/org.eclipse.ui.navigator.prefs new file mode 100644 index 0000000..af564f1 --- /dev/null +++ b/Ganesha_II_V2/.metadata/.plugins/org.eclipse.core.runtime/.settings/org.eclipse.ui.navigator.prefs @@ -0,0 +1,2 @@ +eclipse.preferences.version=1 +org.eclipse.ui.navigator.ProjectExplorer.filterActivation=\:org.eclipse.ui.navigator.resources.filters.startsWithDot\:org.eclipse.cdt.ui.navigator.filters.AnonymousStructFilter\:org.eclipse.cdt.ui.navigator.filters.AbsentTranslationUnitFilter\:org.eclipse.ui.navigator.resources.nested.HideTopLevelProjectIfNested\:org.eclipse.ui.navigator.resources.nested.HideFolderWhenProjectIsShownAsNested\:org.eclipse.cdt.ui.navigator.filters.ForwardDeclarationFilter\: diff --git a/Ganesha_II_V2/.metadata/.plugins/org.eclipse.core.runtime/.settings/org.eclipse.ui.prefs b/Ganesha_II_V2/.metadata/.plugins/org.eclipse.core.runtime/.settings/org.eclipse.ui.prefs new file mode 100644 index 0000000..08076f2 --- /dev/null +++ b/Ganesha_II_V2/.metadata/.plugins/org.eclipse.core.runtime/.settings/org.eclipse.ui.prefs @@ -0,0 +1,2 @@ +eclipse.preferences.version=1 +showIntro=false diff --git a/Ganesha_II_V2/.metadata/.plugins/org.eclipse.core.runtime/.settings/org.eclipse.ui.workbench.prefs b/Ganesha_II_V2/.metadata/.plugins/org.eclipse.core.runtime/.settings/org.eclipse.ui.workbench.prefs new file mode 100644 index 0000000..f633373 --- /dev/null +++ b/Ganesha_II_V2/.metadata/.plugins/org.eclipse.core.runtime/.settings/org.eclipse.ui.workbench.prefs @@ -0,0 +1,12 @@ +//org.eclipse.ui.commands/state/com.st.stm32cube.ide.mcu.buildanalyzer.showstate/org.eclipse.ui.commands.radioState=human +//org.eclipse.ui.commands/state/org.eclipse.ui.navigator.resources.nested.changeProjectPresentation/org.eclipse.ui.commands.radioState=false +eclipse.preferences.version=1 +org.eclipse.ui.workbench.ACTIVE_NOFOCUS_TAB_BG_END=41,41,41 +org.eclipse.ui.workbench.ACTIVE_NOFOCUS_TAB_BG_START=43,44,45 +org.eclipse.ui.workbench.ACTIVE_NOFOCUS_TAB_TEXT_COLOR=204,204,204 +org.eclipse.ui.workbench.ACTIVE_TAB_BG_END=41,41,41 +org.eclipse.ui.workbench.ACTIVE_TAB_BG_START=43,44,45 +org.eclipse.ui.workbench.ACTIVE_TAB_TEXT_COLOR=221,221,221 +org.eclipse.ui.workbench.INACTIVE_TAB_BG_END=49,53,56 +org.eclipse.ui.workbench.INACTIVE_TAB_BG_START=59,64,66 +org.eclipse.ui.workbench.INACTIVE_TAB_TEXT_COLOR=187,187,187 diff --git a/Ganesha_II_V2/.metadata/.plugins/org.eclipse.core.runtime/.settings/org.eclipse.urischeme.prefs b/Ganesha_II_V2/.metadata/.plugins/org.eclipse.core.runtime/.settings/org.eclipse.urischeme.prefs new file mode 100644 index 0000000..855d634 --- /dev/null +++ b/Ganesha_II_V2/.metadata/.plugins/org.eclipse.core.runtime/.settings/org.eclipse.urischeme.prefs @@ -0,0 +1,2 @@ +eclipse.preferences.version=1 +processedSchemes=,eclipse+command,eclipse+mpc diff --git a/Ganesha_II_V2/.metadata/.plugins/org.eclipse.e4.workbench/workbench.xmi b/Ganesha_II_V2/.metadata/.plugins/org.eclipse.e4.workbench/workbench.xmi new file mode 100644 index 0000000..eafe549 --- /dev/null +++ b/Ganesha_II_V2/.metadata/.plugins/org.eclipse.e4.workbench/workbench.xmi @@ -0,0 +1,2256 @@ + + + + activeSchemeId:org.eclipse.ui.defaultAcceleratorConfiguration + + + + + + + + topLevel + shellMaximized + + + + + persp.actionSet:com.st.stm32cube.ide.mcu.informationcenter.actionSet3 + persp.actionSet:org.eclipse.ui.cheatsheets.actionSet + persp.actionSet:org.eclipse.search.searchActionSet + persp.actionSet:org.eclipse.text.quicksearch.actionSet + persp.actionSet:org.eclipse.ui.edit.text.actionSet.annotationNavigation + persp.actionSet:org.eclipse.ui.edit.text.actionSet.navigation + persp.actionSet:org.eclipse.ui.edit.text.actionSet.convertLineDelimitersTo + persp.actionSet:org.eclipse.ui.externaltools.ExternalToolsSet + persp.actionSet:org.eclipse.ui.actionSet.keyBindings + persp.actionSet:org.eclipse.ui.actionSet.openFiles + persp.actionSet:org.eclipse.cdt.ui.SearchActionSet + persp.actionSet:org.eclipse.cdt.ui.CElementCreationActionSet + 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persp.perspSC:org.eclipse.debug.ui.DebugPerspective + persp.perspSC:org.eclipse.team.ui.TeamSynchronizingPerspective + persp.actionSet:org.eclipse.debug.ui.launchActionSet + persp.actionSet:org.eclipse.cdt.ui.buildConfigActionSet + persp.actionSet:org.eclipse.cdt.ui.NavigationActionSet + persp.actionSet:org.eclipse.cdt.ui.OpenActionSet + persp.actionSet:org.eclipse.cdt.ui.CodingActionSet + persp.actionSet:org.eclipse.ui.edit.text.actionSet.presentation + persp.showIn:org.eclipse.cdt.ui.includeBrowser + persp.showIn:org.eclipse.cdt.ui.CView + persp.showIn:org.eclipse.ui.navigator.ProjectExplorer + persp.viewSC:org.eclipse.ui.navigator.ProjectExplorer + persp.viewSC:org.eclipse.cdt.ui.includeBrowser + persp.actionSet:org.eclipse.debug.ui.breakpointActionSet + persp.newWizSC:com.st.stm32cube.common.projectcreation.ui.stm32projectwizard + persp.newWizSC:com.st.stm32cube.common.projectcreation.ui.stm32projectfromiocwizard + persp.viewSC:org.eclipse.cdt.make.ui.views.MakeView + persp.actionSet:org.eclipse.cdt.make.ui.makeTargetActionSet + persp.showIn:org.eclipse.cdt.codan.internal.ui.views.ProblemDetails + persp.viewSC:org.eclipse.cdt.codan.internal.ui.views.ProblemDetails + persp.viewSC:com.st.stm32cube.ide.mcu.buildanalyzer.view + persp.viewSC:com.st.stm32cube.ide.mcu.stackanalyzer.stackanalyzer.view + persp.newWizSC:com.st.stm32cube.ide.cmake.newwizard + persp.viewSC:com.st.stm32cube.ide.mcu.cyclomaticcomplexity.view + persp.viewSC:com.st.stm32cube.ide.mcu.sfrview + + + + View + categoryTag:General + + + View + categoryTag:C/C++ + + + View + categoryTag:General + + + + + + + + View + categoryTag:General + + + View + categoryTag:General + + + View + categoryTag:Make + + + + + + active + + View + categoryTag:General + + + View + categoryTag:General + + + View + categoryTag:General + + + View + categoryTag:General + + + + + View + categoryTag:C/C++ + + + View + categoryTag:C/C++ + + + View + categoryTag:C/C++ + + + + + + + + + + View + categoryTag:Help + + + 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+
+ +
+
+ + + + +
+ + + + + +
+
+
diff --git a/Ganesha_II_V2/.metadata/.plugins/org.eclipse.ui.workbench/dialog_settings.xml b/Ganesha_II_V2/.metadata/.plugins/org.eclipse.ui.workbench/dialog_settings.xml new file mode 100644 index 0000000..5ca0b77 --- /dev/null +++ b/Ganesha_II_V2/.metadata/.plugins/org.eclipse.ui.workbench/dialog_settings.xml @@ -0,0 +1,3 @@ + +
+
diff --git a/Ganesha_II_V2/.metadata/.plugins/org.eclipse.ui.workbench/workingsets.xml b/Ganesha_II_V2/.metadata/.plugins/org.eclipse.ui.workbench/workingsets.xml new file mode 100644 index 0000000..874df77 --- /dev/null +++ b/Ganesha_II_V2/.metadata/.plugins/org.eclipse.ui.workbench/workingsets.xml @@ -0,0 +1,4 @@ + + + + \ No newline at end of file diff --git a/Ganesha_II_V2/.metadata/version.ini b/Ganesha_II_V2/.metadata/version.ini new file mode 100644 index 0000000..16e06ee --- /dev/null +++ b/Ganesha_II_V2/.metadata/version.ini @@ -0,0 +1,3 @@ +#Fri Feb 06 17:25:06 EST 2026 +org.eclipse.core.runtime=2 +org.eclipse.platform=4.33.0.v20240903-0240 diff --git a/Ganesha_II_V2/Core/Inc/littlefs/lfs.h b/Ganesha_II_V2/Core/Inc/lfs.h similarity index 100% rename from Ganesha_II_V2/Core/Inc/littlefs/lfs.h rename to Ganesha_II_V2/Core/Inc/lfs.h diff --git a/Ganesha_II_V2/Core/Inc/littlefs/lfs_port.h b/Ganesha_II_V2/Core/Inc/lfs_port.h similarity index 81% rename from Ganesha_II_V2/Core/Inc/littlefs/lfs_port.h rename to Ganesha_II_V2/Core/Inc/lfs_port.h index a8eef20..efac60c 100644 --- a/Ganesha_II_V2/Core/Inc/littlefs/lfs_port.h +++ b/Ganesha_II_V2/Core/Inc/lfs_port.h @@ -21,11 +21,18 @@ #define W25N_BLOCK_SIZE (W25N_PAGE_SIZE * W25N_PAGES_PER_BLOCK) #define W25N_BLOCK_COUNT 1024 - int lfs_read(const struct lfs_config *c, lfs_block_t block, lfs_off_t offset, uint8_t *location, lfs_size_t size); int lfs_prog(const struct lfs_config *c, lfs_block_t block, lfs_off_t offset, uint8_t *data, lfs_size_t size); int lfs_erase(const struct lfs_config *c, lfs_block_t block); int lfs_sync(const struct lfs_config *c); +int stmlfs_file_open(lfs_file_t *file, const char *path, int flags); +int stmlfs_file_read(lfs_file_t *file,void *buffer, lfs_size_t size); +int stmlfs_file_rewind(lfs_file_t *file); +lfs_ssize_t stmlfs_file_write(lfs_file_t *file,const void *buffer, lfs_size_t size); +int stmlfs_file_close(lfs_file_t *file); + +int stmlfs_mount(); +int stmlfs_unmount(); #endif /* INC_LITTLEFS_LFS_PORT_H_ */ diff --git a/Ganesha_II_V2/Core/Inc/littlefs/lfs_util.h b/Ganesha_II_V2/Core/Inc/lfs_util.h similarity index 100% rename from Ganesha_II_V2/Core/Inc/littlefs/lfs_util.h rename to Ganesha_II_V2/Core/Inc/lfs_util.h diff --git a/Ganesha_II_V2/Core/Src/littlefs/lfs.c b/Ganesha_II_V2/Core/Src/lfs.c similarity index 100% rename from Ganesha_II_V2/Core/Src/littlefs/lfs.c rename to Ganesha_II_V2/Core/Src/lfs.c diff --git a/Ganesha_II_V2/Core/Src/littlefs/lfs_port.c b/Ganesha_II_V2/Core/Src/lfs_port.c similarity index 79% rename from Ganesha_II_V2/Core/Src/littlefs/lfs_port.c rename to Ganesha_II_V2/Core/Src/lfs_port.c index 8df57ab..a16f43d 100644 --- a/Ganesha_II_V2/Core/Src/littlefs/lfs_port.c +++ b/Ganesha_II_V2/Core/Src/lfs_port.c @@ -3,6 +3,7 @@ #include "lfs_port.h" extern SPI_HandleTypeDef hspi4; +static lfs_t lfs; // Sets FLASH_CS low static void csLow() { @@ -21,7 +22,10 @@ static void spiSend(uint8_t *send, uint16_t size) { // Receives data and stores in location static void spiReceive(uint8_t *location, uint16_t size) { - HAL_SPI_Receive(&hspi4, location, size, HAL_MAX_DELAY); + static uint8_t tx[2048]; + memset(tx, 0xFF, size); + + HAL_SPI_TransmitReceive(&hspi4, tx, location, size, HAL_MAX_DELAY); } struct lfs_config lfsconfig = { @@ -41,7 +45,7 @@ struct lfs_config lfsconfig = { int lfs_read(const struct lfs_config *c, lfs_block_t block, lfs_off_t offset, uint8_t *location, lfs_size_t size){ // Calculate page to read from and column within page to start at - uint16_t page = block * W25N_PAGES_PER_BLOCK + (offset / W25N_PAGE_SIZE); + uint32_t page = block * W25N_PAGES_PER_BLOCK + (offset / W25N_PAGE_SIZE); uint16_t col = offset % W25N_PAGE_SIZE; // Read full page and put into cache @@ -140,3 +144,44 @@ int lfs_sync(const struct lfs_config *c){ // Writes and erases are sent immediately within the methods, so nothing to actually sync. Method is just required by lfs. return 0; } + +int stmlfs_mount(){ + int err = lfs_mount(&lfs, &lfsconfig); + + if (err){ + lfs_format(&lfs, &lfsconfig); + err = lfs_mount(&lfs, &lfsconfig); + } + + return err; +} + +int stmlfs_unmount(){ + return lfs_unmount(&lfs); +} + +int stmlfs_file_open(lfs_file_t *file, const char *path, int flags) +{ + return lfs_file_open(&lfs, file, path, flags); +} + +int stmlfs_file_read(lfs_file_t *file,void *buffer, lfs_size_t size) +{ + return lfs_file_read(&lfs, file, buffer, size); +} + +int stmlfs_file_rewind(lfs_file_t *file) +{ + return lfs_file_rewind(&lfs, file); +} + +lfs_ssize_t stmlfs_file_write(lfs_file_t *file,const void *buffer, lfs_size_t size) +{ + return lfs_file_write(&lfs, file, buffer, size); +} + +int stmlfs_file_close(lfs_file_t *file) +{ + return lfs_file_close(&lfs, file); +} + diff --git a/Ganesha_II_V2/Core/Src/littlefs/lfs_util.c b/Ganesha_II_V2/Core/Src/lfs_util.c similarity index 100% rename from Ganesha_II_V2/Core/Src/littlefs/lfs_util.c rename to Ganesha_II_V2/Core/Src/lfs_util.c diff --git a/Ganesha_II_V2/Core/Src/main.c b/Ganesha_II_V2/Core/Src/main.c index 7e59e2c..4e641e3 100644 --- a/Ganesha_II_V2/Core/Src/main.c +++ b/Ganesha_II_V2/Core/Src/main.c @@ -32,9 +32,15 @@ #include #include #include "STRUCTS.h" + #include "orientation_estimator.h" #include "dumb_timer.h" #include "us_timer.h" + +#include "lfs.h" +#include "lfs_port.h" +#include "lfs_util.h" + /* USER CODE END Includes */ /* Private typedef -----------------------------------------------------------*/ @@ -190,6 +196,7 @@ int main(void) char uart_buf[50]; int uart_buf_len; uint16_t timer_val; + lfs_file_t file; /* USER CODE END 1 */ @@ -227,6 +234,22 @@ int main(void) us_timer_init(); GPS_Init(); +// +// uint8_t bmi088_init_try_count = 1; +// +// while (bmi088_init_ok == 0 && bmi088_init_try_count <= 3) { +// if (bmi088_init(&bmi088, &hspi2) == BMI08_OK) { +// bmi088_init_ok = 1; +// break; +// } else { +// bmi088_init_try_count++; +// HAL_Delay(500); +// } +// } +// +// if (bmp581_init(&bmp581, &hi2c2) == BMP5_OK) { +// bmp581_init_ok = 1; +// } dumb_timer_init(&camera_timer, HRS_TO_MS(2)); @@ -234,20 +257,57 @@ int main(void) uint8_t bmi088_init_try_count = 1; - while (bmi088_init_ok == 0 && bmi088_init_try_count <= 3) { - if (bmi088_init(&bmi088, &hspi2) == BMI08_OK) { - bmi088_init_ok = 1; - break; - } else { - bmi088_init_try_count++; - HAL_Delay(500); - } - } + /* lfs_mount is failing; + * lfs_init is fine; + * fails line 4497 in lfs.c while "fetching next block in tail list" + * fails like 1126 - lfs_bd_read + * on line 116 of lfs_bd_read + * int err = lfs->cfg->read(lfs->cfg, rcache->block, + rcache->off, rcache->buffer, rcache->size); + LFS_ASSERT(err <= 0); + if (err) { + return err; + } + * + **/ + uint32_t boot_count = 10; + + uint8_t id[3]; + uint8_t cmd = 0x9F; + + csLow(); + csHigh(); - if (bmp581_init(&bmp581, &hi2c2) == BMP5_OK) { - bmp581_init_ok = 1; + //test +// csLow(); +// HAL_SPI_Transmit(&hspi4, &cmd, 1, HAL_MAX_DELAY); +// HAL_SPI_TransmitReceive(&hspi4, (uint8_t[]){0xFF,0xFF,0xFF}, id, 3, HAL_MAX_DELAY); +// csHigh(); + + + HAL_GPIO_WritePin(GPIOE, GPIO_PIN_3, GPIO_PIN_SET); + HAL_GPIO_WritePin(GPIOE, GPIO_PIN_3, GPIO_PIN_RESET); + + + stmlfs_mount(); + + for(int i = 0; i < boot_count; ++i) { + HAL_GPIO_TogglePin(GPIOB, LED_Pin); + HAL_Delay(100); } + stmlfs_file_open(&file, "boot_count", LFS_O_RDWR | LFS_O_CREAT); + stmlfs_file_read(&file, &boot_count, sizeof(boot_count)); + + boot_count += 1; + stmlfs_file_rewind(&file); + stmlfs_file_write(&file, &boot_count, sizeof(boot_count)); + + stmlfs_file_close(&file); + + stmlfs_unmount(); + + short magic = 0xBEEF; packet.magic = magic; @@ -629,7 +689,7 @@ static void MX_SPI4_Init(void) hspi4.Instance = SPI4; hspi4.Init.Mode = SPI_MODE_MASTER; hspi4.Init.Direction = SPI_DIRECTION_2LINES; - hspi4.Init.DataSize = SPI_DATASIZE_4BIT; + hspi4.Init.DataSize = SPI_DATASIZE_8BIT; hspi4.Init.CLKPolarity = SPI_POLARITY_LOW; hspi4.Init.CLKPhase = SPI_PHASE_1EDGE; hspi4.Init.NSS = SPI_NSS_SOFT; diff --git a/Ganesha_II_V2/Ganesha_II_V2.ioc b/Ganesha_II_V2/Ganesha_II_V2.ioc index 05f4f94..2f8f315 100644 --- a/Ganesha_II_V2/Ganesha_II_V2.ioc +++ b/Ganesha_II_V2/Ganesha_II_V2.ioc @@ -356,8 +356,9 @@ SH.GPXTI15.ConfNb=1 SH.GPXTI2.0=GPIO_EXTI2 SH.GPXTI2.ConfNb=1 SPI1.CalculateBaudRate=24.0 MBits/s +SPI1.DataSize=SPI_DATASIZE_4BIT SPI1.Direction=SPI_DIRECTION_2LINES -SPI1.IPParameters=VirtualType,Mode,Direction,CalculateBaudRate +SPI1.IPParameters=VirtualType,Mode,Direction,CalculateBaudRate,DataSize SPI1.Mode=SPI_MODE_MASTER SPI1.VirtualType=VM_MASTER SPI2.BaudRatePrescaler=SPI_BAUDRATEPRESCALER_8 @@ -368,8 +369,9 @@ SPI2.IPParameters=VirtualType,Mode,Direction,CalculateBaudRate,DataSize,BaudRate SPI2.Mode=SPI_MODE_MASTER SPI2.VirtualType=VM_MASTER SPI4.CalculateBaudRate=2.0 MBits/s +SPI4.DataSize=SPI_DATASIZE_8BIT SPI4.Direction=SPI_DIRECTION_2LINES -SPI4.IPParameters=VirtualType,Mode,Direction,CalculateBaudRate +SPI4.IPParameters=VirtualType,Mode,Direction,CalculateBaudRate,DataSize SPI4.Mode=SPI_MODE_MASTER SPI4.VirtualType=VM_MASTER STMicroelectronics.X-CUBE-ALGOBUILD.1.4.0.DSPOoLibraryJjLibrary_Checked=false From 65430178e1f28c4b4102cd98f01c5a84a98ee35a Mon Sep 17 00:00:00 2001 From: wispl Date: Fri, 1 May 2026 16:27:46 -0400 Subject: [PATCH 03/12] feat: working flash --- Ganesha_II_V2/.mxproject | 44 +- Ganesha_II_V2/Core/Inc/flash/flash.h | 27 + Ganesha_II_V2/Core/Inc/flash/gd5f1gq5xe.h | 28 + Ganesha_II_V2/Core/Inc/flash/w25n01kv.h | 28 + Ganesha_II_V2/Core/Inc/lfs_port.h | 38 - Ganesha_II_V2/Core/Inc/stm32h7xx_it.h | 1 + Ganesha_II_V2/Core/Src/flash/flash.c | 116 ++ Ganesha_II_V2/Core/Src/flash/gd5f1gq5xe.c | 179 +++ Ganesha_II_V2/Core/Src/flash/w25n01kv.c | 189 +++ Ganesha_II_V2/Core/Src/lfs_port.c | 187 --- Ganesha_II_V2/Core/Src/main.c | 390 +++--- Ganesha_II_V2/Core/Src/stm32h7xx_hal_msp.c | 80 -- Ganesha_II_V2/Core/Src/stm32h7xx_it.c | 15 + Ganesha_II_V2/Ganesha_II_V2.ioc | 6 +- Ganesha_II_V2/Makefile | 246 ++++ .../Class/MSC/Inc/usbd_msc.h | 130 ++ .../Class/MSC/Inc/usbd_msc_bot.h | 146 ++ .../Class/MSC/Inc/usbd_msc_data.h | 102 ++ .../Class/MSC/Inc/usbd_msc_scsi.h | 182 +++ .../Class/MSC/Src/usbd_msc.c | 579 ++++++++ .../Class/MSC/Src/usbd_msc_bot.c | 478 +++++++ .../Class/MSC/Src/usbd_msc_data.c | 151 ++ .../Class/MSC/Src/usbd_msc_scsi.c | 1218 +++++++++++++++++ .../Core/Inc/usbd_core.h | 175 +++ .../Core/Inc/usbd_ctlreq.h | 101 ++ .../Core/Inc/usbd_def.h | 523 +++++++ .../Core/Inc/usbd_ioreq.h | 113 ++ .../Core/Src/usbd_core.c | 1215 ++++++++++++++++ .../Core/Src/usbd_ctlreq.c | 1058 ++++++++++++++ .../Core/Src/usbd_ioreq.c | 224 +++ .../ST/STM32_USB_Device_Library/LICENSE.txt | 86 ++ Ganesha_II_V2/STM32H743XX_FLASH.ld | 211 +++ Ganesha_II_V2/USB_DEVICE/App/usb_device.c | 101 ++ Ganesha_II_V2/USB_DEVICE/App/usb_device.h | 102 ++ Ganesha_II_V2/USB_DEVICE/App/usbd_desc.c | 418 ++++++ Ganesha_II_V2/USB_DEVICE/App/usbd_desc.h | 143 ++ .../USB_DEVICE/App/usbd_storage_if.c | 301 ++++ .../USB_DEVICE/App/usbd_storage_if.h | 128 ++ Ganesha_II_V2/USB_DEVICE/Target/usbd_conf.c | 693 ++++++++++ Ganesha_II_V2/USB_DEVICE/Target/usbd_conf.h | 175 +++ Ganesha_II_V2/startup_stm32h743xx.s | 752 ++++++++++ openocd.cfg | 3 + 42 files changed, 10543 insertions(+), 539 deletions(-) create mode 100644 Ganesha_II_V2/Core/Inc/flash/flash.h create mode 100644 Ganesha_II_V2/Core/Inc/flash/gd5f1gq5xe.h create mode 100644 Ganesha_II_V2/Core/Inc/flash/w25n01kv.h delete mode 100644 Ganesha_II_V2/Core/Inc/lfs_port.h create mode 100644 Ganesha_II_V2/Core/Src/flash/flash.c create mode 100644 Ganesha_II_V2/Core/Src/flash/gd5f1gq5xe.c create mode 100644 Ganesha_II_V2/Core/Src/flash/w25n01kv.c delete mode 100644 Ganesha_II_V2/Core/Src/lfs_port.c create mode 100644 Ganesha_II_V2/Makefile create mode 100644 Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Inc/usbd_msc.h create mode 100644 Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Inc/usbd_msc_bot.h create mode 100644 Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Inc/usbd_msc_data.h create mode 100644 Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Inc/usbd_msc_scsi.h create mode 100644 Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc.c create mode 100644 Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_bot.c create mode 100644 Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_data.c create mode 100644 Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_scsi.c create mode 100644 Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Core/Inc/usbd_core.h create mode 100644 Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Core/Inc/usbd_ctlreq.h create mode 100644 Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Core/Inc/usbd_def.h create mode 100644 Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Core/Inc/usbd_ioreq.h create mode 100644 Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_core.c create mode 100644 Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_ctlreq.c create mode 100644 Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_ioreq.c create mode 100644 Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/LICENSE.txt create mode 100644 Ganesha_II_V2/STM32H743XX_FLASH.ld create mode 100644 Ganesha_II_V2/USB_DEVICE/App/usb_device.c create mode 100644 Ganesha_II_V2/USB_DEVICE/App/usb_device.h create mode 100644 Ganesha_II_V2/USB_DEVICE/App/usbd_desc.c create mode 100644 Ganesha_II_V2/USB_DEVICE/App/usbd_desc.h create mode 100644 Ganesha_II_V2/USB_DEVICE/App/usbd_storage_if.c create mode 100644 Ganesha_II_V2/USB_DEVICE/App/usbd_storage_if.h create mode 100644 Ganesha_II_V2/USB_DEVICE/Target/usbd_conf.c create mode 100644 Ganesha_II_V2/USB_DEVICE/Target/usbd_conf.h create mode 100644 Ganesha_II_V2/startup_stm32h743xx.s create mode 100644 openocd.cfg diff --git a/Ganesha_II_V2/.mxproject b/Ganesha_II_V2/.mxproject index 3f4d623..5dba7b7 100644 --- a/Ganesha_II_V2/.mxproject +++ b/Ganesha_II_V2/.mxproject @@ -1,25 +1,43 @@ [PreviousLibFiles] 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rs\STM32H7xx_HAL_Driver\Inc\stm32h7xx_hal_hsem.h;Drivers\STM32H7xx_HAL_Driver\Inc\stm32h7xx_ll_hsem.h;Drivers\STM32H7xx_HAL_Driver\Inc\stm32h7xx_hal_dma.h;Drivers\STM32H7xx_HAL_Driver\Inc\stm32h7xx_hal_dma_ex.h;Drivers\STM32H7xx_HAL_Driver\Inc\stm32h7xx_ll_dma.h;Drivers\STM32H7xx_HAL_Driver\Inc\stm32h7xx_ll_dmamux.h;Drivers\STM32H7xx_HAL_Driver\Inc\stm32h7xx_hal_mdma.h;Drivers\STM32H7xx_HAL_Driver\Inc\stm32h7xx_hal_pwr.h;Drivers\STM32H7xx_HAL_Driver\Inc\stm32h7xx_hal_pwr_ex.h;Drivers\STM32H7xx_HAL_Driver\Inc\stm32h7xx_ll_pwr.h;Drivers\STM32H7xx_HAL_Driver\Inc\stm32h7xx_hal.h;Drivers\STM32H7xx_HAL_Driver\Inc\stm32h7xx_hal_def.h;Drivers\STM32H7xx_HAL_Driver\Inc\Legacy\stm32_hal_legacy.h;Drivers\STM32H7xx_HAL_Driver\Inc\stm32h7xx_hal_i2c.h;Drivers\STM32H7xx_HAL_Driver\Inc\stm32h7xx_hal_i2c_ex.h;Drivers\STM32H7xx_HAL_Driver\Inc\stm32h7xx_hal_exti.h;Drivers\STM32H7xx_HAL_Driver\Inc\stm32h7xx_ll_exti.h;Drivers\STM32H7xx_HAL_Driver\Inc\stm32h7xx_ll_i2c.h;Drivers\STM32H7xx_HAL_Driver\Inc\stm32h7xx_hal_spi.h;Drivers\STM32H7xx_HAL_Driver\Inc\stm32h7xx_ll_spi.h;Drivers\STM32H7xx_HAL_Driver\Inc\stm32h7xx_hal_spi_ex.h;Drivers\STM32H7xx_HAL_Driver\Inc\stm32h7xx_hal_tim.h;Drivers\STM32H7xx_HAL_Driver\Inc\stm32h7xx_hal_tim_ex.h;Drivers\STM32H7xx_HAL_Driver\Inc\stm32h7xx_ll_tim.h;Drivers\STM32H7xx_HAL_Driver\Inc\stm32h7xx_hal_uart.h;Drivers\STM32H7xx_HAL_Driver\Inc\stm32h7xx_ll_usart.h;Drivers\STM32H7xx_HAL_Driver\Inc\stm32h7xx_ll_lpuart.h;Drivers\STM32H7xx_HAL_Driver\Inc\stm32h7xx_hal_uart_ex.h;Drivers\STM32H7xx_HAL_Driver\Inc\stm32h7xx_hal_pcd.h;Drivers\STM32H7xx_HAL_Driver\Inc\stm32h7xx_hal_pcd_ex.h;Drivers\STM32H7xx_HAL_Driver\Inc\stm32h7xx_ll_usb.h;Drivers\CMSIS\Device\ST\STM32H7xx\Include\stm32h743xx.h;Drivers\CMSIS\Device\ST\STM32H7xx\Include\stm32h7xx.h;Drivers\CMSIS\Device\ST\STM32H7xx\Include\system_stm32h7xx.h;Drivers\CMSIS\Device\ST\STM32H7xx\Include\system_stm32h7xx.h;Drivers\CMSIS\Device\ST\STM32H7xx\Source\Templates\system_stm32h7xx.c;Drivers\CMSIS\Include\cmsis_armcc.h;Drivers\CMSIS\Include\cmsis_armclang.h;Drivers\CMSIS\Include\cmsis_armclang_ltm.h;Drivers\CMSIS\Include\cmsis_compiler.h;Drivers\CMSIS\Include\cmsis_gcc.h;Drivers\CMSIS\Include\cmsis_iccarm.h;Drivers\CMSIS\Include\cmsis_version.h;Drivers\CMSIS\Include\core_armv81mml.h;Drivers\CMSIS\Include\core_armv8mbl.h;Drivers\CMSIS\Include\core_armv8mml.h;Drivers\CMSIS\Include\core_cm0.h;Drivers\CMSIS\Include\core_cm0plus.h;Drivers\CMSIS\Include\core_cm1.h;Drivers\CMSIS\Include\core_cm23.h;Drivers\CMSIS\Include\core_cm3.h;Drivers\CMSIS\Include\core_cm33.h;Drivers\CMSIS\Include\core_cm35p.h;Drivers\CMSIS\Include\core_cm4.h;Drivers\CMSIS\Include\core_cm7.h;Drivers\CMSIS\Include\core_sc000.h;Drivers\CMSIS\Include\core_sc300.h;Drivers\CMSIS\Include\mpu_armv7.h;Drivers\CMSIS\Include\mpu_armv8.h;Drivers\CMSIS\Include\tz_context.h; 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32_USB_Device_Library/Class/MSC/Src/usbd_msc_scsi.c;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_pcd.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_pcd_ex.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_usb.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_rcc.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_rcc_ex.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_bus.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_rcc.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_crs.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_system.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_utils.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_flash.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_flash_ex.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_gpio.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_gpio_ex.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_gpio.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_hsem.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_hsem.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_dma.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_dma_ex.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_dma.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_dmamux.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_mdma.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_pwr.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_pwr_ex.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_pwr.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_cortex.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_cortex.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_def.h;Drivers/STM32H7xx_HAL_Driver/Inc/Legacy/stm32_hal_legacy.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_i2c.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_i2c_ex.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_exti.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_exti.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_crc.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_crc_ex.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_crc.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_i2c.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_spi.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_spi.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_spi_ex.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_tim.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_tim_ex.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_tim.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_uart.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_usart.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_lpuart.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_uart_ex.h;Middlewares/ST/STM32_USB_Device_Library/Core/Inc/usbd_core.h;Middlewares/ST/STM32_USB_Device_Library/Core/Inc/usbd_ctlreq.h;Middlewares/ST/STM32_USB_Device_Library/Core/Inc/usbd_def.h;Middlewares/ST/STM32_USB_Device_Library/Core/Inc/usbd_ioreq.h;Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Inc/usbd_msc.h;Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Inc/usbd_msc_bot.h;Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Inc/usbd_msc_data.h;Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Inc/usbd_msc_scsi.h;Drivers/CMSIS/Device/ST/STM32H7xx/Include/stm32h743xx.h;Drivers/CMSIS/Device/ST/STM32H7xx/Include/stm32h7xx.h;Drivers/CMSIS/Device/ST/STM32H7xx/Include/system_stm32h7xx.h;Drivers/CMSIS/Device/ST/STM32H7xx/Include/system_stm32h7xx.h;Drivers/CMSIS/Device/ST/STM32H7xx/Source/Templates/system_stm32h7xx.c;Drivers/CMSIS/Include/core_armv81mml.h;Drivers/CMSIS/Include/mpu_armv8.h;Drivers/CMSIS/Include/core_cm23.h;Drivers/CMSIS/Include/core_cm1.h;Drivers/CMSIS/Include/core_cm0.h;Drivers/CMSIS/Include/core_cm33.h;Drivers/CMSIS/Include/cmsis_gcc.h;Drivers/CMSIS/Include/cmsis_armclang.h;Drivers/CMSIS/Include/core_armv8mbl.h;Drivers/CMSIS/Include/cmsis_compiler.h;Drivers/CMSIS/Include/core_cm4.h;Drivers/CMSIS/Include/cmsis_iccarm.h;Drivers/CMSIS/Include/core_cm7.h;Drivers/CMSIS/Include/core_sc300.h;Drivers/CMSIS/Include/core_armv8mml.h;Drivers/CMSIS/Include/core_cm35p.h;Drivers/CMSIS/Include/cmsis_armclang_ltm.h;Drivers/CMSIS/Include/core_sc000.h;Drivers/CMSIS/Include/core_cm3.h;Drivers/CMSIS/Include/cmsis_armcc.h;Drivers/CMSIS/Include/core_cm0plus.h;Drivers/CMSIS/Include/tz_context.h;Drivers/CMSIS/Include/mpu_armv7.h;Drivers/CMSIS/Include/cmsis_version.h; +>>>>>>> 5d93e2f (feat: working flash) [PreviousUsedCubeIDEFiles] SourceFiles=Core\Src\main.c;Core\Src\stm32h7xx_it.c;Core\Src\stm32h7xx_hal_msp.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_cortex.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_crc.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_crc_ex.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_rcc.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_rcc_ex.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_flash.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_flash_ex.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_gpio.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_hsem.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_dma.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_dma_ex.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_mdma.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_pwr.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_pwr_ex.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_i2c.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_i2c_ex.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_exti.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_spi.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_spi_ex.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_tim.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_tim_ex.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_uart.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_uart_ex.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_pcd.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_pcd_ex.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_ll_usb.c;Drivers\CMSIS\Device\ST\STM32H7xx\Source\Templates\system_stm32h7xx.c;Core\Src\system_stm32h7xx.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_cortex.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_crc.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_crc_ex.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_rcc.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_rcc_ex.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_flash.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_flash_ex.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_gpio.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_hsem.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_dma.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_dma_ex.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_mdma.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_pwr.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_pwr_ex.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_i2c.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_i2c_ex.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_exti.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_spi.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_spi_ex.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_tim.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_tim_ex.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_uart.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_uart_ex.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_pcd.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_pcd_ex.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_ll_usb.c;Drivers\CMSIS\Device\ST\STM32H7xx\Source\Templates\system_stm32h7xx.c;Core\Src\system_stm32h7xx.c;;; HeaderPath=Drivers\STM32H7xx_HAL_Driver\Inc;Drivers\STM32H7xx_HAL_Driver\Inc\Legacy;Drivers\CMSIS\Device\ST\STM32H7xx\Include;Drivers\CMSIS\Include;Core\Inc; CDefines=USE_PWR_LDO_SUPPLY;USE_PWR_LDO_SUPPLY;USE_HAL_DRIVER;STM32H743xx;USE_HAL_DRIVER;USE_HAL_DRIVER; +[PreviousUsedMakefileFiles] +SourceFiles=Core/Src/main.c;USB_DEVICE/App/usb_device.c;USB_DEVICE/Target/usbd_conf.c;USB_DEVICE/App/usbd_desc.c;USB_DEVICE/App/usbd_storage_if.c;Core/Src/stm32h7xx_it.c;Core/Src/stm32h7xx_hal_msp.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_pcd.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_pcd_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_ll_usb.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_rcc.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_rcc_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_flash.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_flash_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_gpio.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_hsem.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_dma.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_dma_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_mdma.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_pwr.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_pwr_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_cortex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_i2c.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_i2c_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_exti.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_crc.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_crc_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_spi.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_spi_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_tim.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_tim_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_uart.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_uart_ex.c;Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_core.c;Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_ctlreq.c;Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_ioreq.c;Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc.c;Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_bot.c;Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_data.c;Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_scsi.c;Drivers/CMSIS/Device/ST/STM32H7xx/Source/Templates/system_stm32h7xx.c;Core/Src/system_stm32h7xx.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_pcd.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_pcd_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_ll_usb.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_rcc.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_rcc_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_flash.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_flash_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_gpio.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_hsem.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_dma.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_dma_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_mdma.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_pwr.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_pwr_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_cortex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_i2c.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_i2c_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_exti.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_crc.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_crc_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_spi.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_spi_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_tim.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_tim_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_uart.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_uart_ex.c;Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_core.c;Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_ctlreq.c;Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_ioreq.c;Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc.c;Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_bot.c;Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_data.c;Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_scsi.c;Drivers/CMSIS/Device/ST/STM32H7xx/Source/Templates/system_stm32h7xx.c;Core/Src/system_stm32h7xx.c;;;Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_core.c;Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_ctlreq.c;Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_ioreq.c;Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc.c;Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_bot.c;Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_data.c;Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_scsi.c; +HeaderPath=Drivers/STM32H7xx_HAL_Driver/Inc;Drivers/STM32H7xx_HAL_Driver/Inc/Legacy;Middlewares/ST/STM32_USB_Device_Library/Core/Inc;Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Inc;Drivers/CMSIS/Device/ST/STM32H7xx/Include;Drivers/CMSIS/Include;USB_DEVICE/App;USB_DEVICE/Target;Core/Inc; +CDefines=USE_PWR_LDO_SUPPLY;USE_PWR_LDO_SUPPLY;USE_HAL_DRIVER;STM32H743xx;USE_HAL_DRIVER;USE_HAL_DRIVER; + [PreviousGenFiles] AdvancedFolderStructure=true -HeaderFileListSize=3 -HeaderFiles#0=..\Core\Inc\stm32h7xx_it.h -HeaderFiles#1=..\Core\Inc\stm32h7xx_hal_conf.h -HeaderFiles#2=..\Core\Inc\main.h -HeaderFolderListSize=1 -HeaderPath#0=..\Core\Inc +HeaderFileListSize=7 +HeaderFiles#0=../USB_DEVICE/App/usb_device.h +HeaderFiles#1=../USB_DEVICE/Target/usbd_conf.h +HeaderFiles#2=../USB_DEVICE/App/usbd_desc.h +HeaderFiles#3=../USB_DEVICE/App/usbd_storage_if.h +HeaderFiles#4=../Core/Inc/stm32h7xx_it.h +HeaderFiles#5=../Core/Inc/stm32h7xx_hal_conf.h +HeaderFiles#6=../Core/Inc/main.h +HeaderFolderListSize=3 +HeaderPath#0=../USB_DEVICE/App +HeaderPath#1=../USB_DEVICE/Target +HeaderPath#2=../Core/Inc HeaderFiles=; -SourceFileListSize=3 -SourceFiles#0=..\Core\Src\stm32h7xx_it.c -SourceFiles#1=..\Core\Src\stm32h7xx_hal_msp.c -SourceFiles#2=..\Core\Src\main.c -SourceFolderListSize=1 -SourcePath#0=..\Core\Src +SourceFileListSize=7 +SourceFiles#0=../USB_DEVICE/App/usb_device.c +SourceFiles#1=../USB_DEVICE/Target/usbd_conf.c +SourceFiles#2=../USB_DEVICE/App/usbd_desc.c +SourceFiles#3=../USB_DEVICE/App/usbd_storage_if.c +SourceFiles#4=../Core/Src/stm32h7xx_it.c +SourceFiles#5=../Core/Src/stm32h7xx_hal_msp.c +SourceFiles#6=../Core/Src/main.c +SourceFolderListSize=3 +SourcePath#0=../USB_DEVICE/App +SourcePath#1=../USB_DEVICE/Target +SourcePath#2=../Core/Src SourceFiles=; diff --git a/Ganesha_II_V2/Core/Inc/flash/flash.h b/Ganesha_II_V2/Core/Inc/flash/flash.h new file mode 100644 index 0000000..7d82c08 --- /dev/null +++ b/Ganesha_II_V2/Core/Inc/flash/flash.h @@ -0,0 +1,27 @@ +#ifndef FLASH_H +#define FLASH_H + +#include "lfs.h" + +#include + +enum flash_name { + W25N01KV, + GD5F1GQ5XE +}; + +struct flash_dev { + enum flash_name name; + /* struct lfs_config config; */ + lfs_t lfs; +}; + +void flash_init(struct flash_dev *dev, enum flash_name name); +int flash_mount(struct flash_dev *flash, const struct lfs_config *config); +int flash_unmount(struct flash_dev *flash); +uint32_t flash_boot_count(struct flash_dev *flash, bool update); +bool flash_open(struct flash_dev *flash, lfs_file_t *file, const char *filename); +bool flash_append(struct flash_dev *flash, lfs_file_t *file, const uint8_t *bytes, const size_t size); +int flash_close(struct flash_dev *flash, lfs_file_t *file); + +#endif diff --git a/Ganesha_II_V2/Core/Inc/flash/gd5f1gq5xe.h b/Ganesha_II_V2/Core/Inc/flash/gd5f1gq5xe.h new file mode 100644 index 0000000..b1bfdbb --- /dev/null +++ b/Ganesha_II_V2/Core/Inc/flash/gd5f1gq5xe.h @@ -0,0 +1,28 @@ +#ifndef GD5F1GQ5XE_H +#define GD5F1GQ5XE_H + +#include +#include + +#define GD5F_SET_FEATURE 0x1F +#define GD5F_WRITE_ENABLE 0x06 +#define GD5F_WRITE_DISABLE 0x04 +#define GD5F_READ_TO_CACHE 0x13 +#define GD5F_READ_FROM_CACHE 0x03 +#define GD5F_PROGRAM_LOAD 0x02 +#define GD5F_PROGRAM_EXECUTE 0x10 +#define GD5F_ERASE 0xD8 +#define GD5F_READ_ID 0x9F + +#define GD5F_BLOCK_COUNT 1024 +#define GD5F_PAGES_PER_BLOCK 64 +#define GD5F_PAGE_SIZE 2048 +#define GD5F_BLOCK_SIZE GD5F_PAGES_PER_BLOCK * GD5F_PAGE_SIZE + + +int gd5f1gq5xe_read(const uint32_t page, const uint16_t col, void *buffer, const size_t size); +int gd5f1gq5xe_write(const uint32_t page, const uint16_t col, const void *buffer, const size_t size); +int gd5f1gq5xe_erase(const uint32_t page); +int gd5f1gq5xe_unlock(); + +#endif diff --git a/Ganesha_II_V2/Core/Inc/flash/w25n01kv.h b/Ganesha_II_V2/Core/Inc/flash/w25n01kv.h new file mode 100644 index 0000000..7476a4b --- /dev/null +++ b/Ganesha_II_V2/Core/Inc/flash/w25n01kv.h @@ -0,0 +1,28 @@ +#ifndef W25N01KV_H +#define W25N01KV_H + +#include +#include + +#define W25N_CMD_READ_JEDEC_ID 0x9F +#define W25N_CMD_READ_STATUS_REGISTER 0x0F // Checks if Page Data Read is done (BUSY = 1) (not sure if needed for now) +#define W25N_CMD_PAGE_DATA_READ 0x13 // Reads data from a flash page into the data buffer | Resets WEL bit +#define W25N_CMD_READ_FROM_BUFFER 0x03 // Reads from the data buffer +#define W25N_CMD_WRITE_ENABLE 0x06 // Required for Load Program Data | Sets WEL bit to 1 +#define W25N_CMD_WRITE_DISABLE 0x04 // Resets WEL bit to 0 +#define W25N_CMD_LOAD_PROGRAM_DATA 0x02 // Loads data into the data buffer (Max 1 page) +#define W25N_CMD_PROGRAM_EXECUTE 0x10 // Programs the data in the data buffer to the specified page in flash (Also resets WEL bit to 0 when finished) +#define W25N_CMD_BLOCK_ERASE 0xD8 + +// General Specs (Page 5 of Datasheet) +#define W25N_PAGE_SIZE 2048 +#define W25N_PAGES_PER_BLOCK 64 +#define W25N_BLOCK_SIZE (W25N_PAGE_SIZE * W25N_PAGES_PER_BLOCK) +#define W25N_BLOCK_COUNT 1024 + +int w25n01kv_read(const uint32_t page, const uint16_t col, void *buffer, const size_t size); +int w25n01kv_write(const uint32_t page, const uint16_t col, const void *buffer, const size_t size); +int w25n01kv_erase(const uint32_t page); +int w25n01kv_unlock(); + +#endif diff --git a/Ganesha_II_V2/Core/Inc/lfs_port.h b/Ganesha_II_V2/Core/Inc/lfs_port.h deleted file mode 100644 index efac60c..0000000 --- a/Ganesha_II_V2/Core/Inc/lfs_port.h +++ /dev/null @@ -1,38 +0,0 @@ -#ifndef INC_LITTLEFS_LFS_PORT_H_ -#define INC_LITTLEFS_LFS_PORT_H_ - -#include "lfs.h" -#include "lfs_util.h" - -// W25N01KV command opcodes (only some of them) (Page 26 of Datasheet) -#define W25N_CMD_READ_JEDEC_ID 0x9F -#define W25N_CMD_READ_STATUS_REGISTER 0x0F // Checks if Page Data Read is done (BUSY = 1) (not sure if needed for now) -#define W25N_CMD_PAGE_DATA_READ 0x13 // Reads data from a flash page into the data buffer | Resets WEL bit -#define W25N_CMD_READ_FROM_BUFFER 0x03 // Reads from the data buffer -#define W25N_CMD_WRITE_ENABLE 0x06 // Required for Load Program Data | Sets WEL bit to 1 -#define W25N_CMD_WRITE_DISABLE 0x04 // Resets WEL bit to 0 -#define W25N_CMD_LOAD_PROGRAM_DATA 0x02 // Loads data into the data buffer (Max 1 page) -#define W25N_CMD_PROGRAM_EXECUTE 0x10 // Programs the data in the data buffer to the specified page in flash (Also resets WEL bit to 0 when finished) -#define W25N_CMD_BLOCK_ERASE 0xD8 - -// General Specs (Page 5 of Datasheet) -#define W25N_PAGE_SIZE 2048 -#define W25N_PAGES_PER_BLOCK 64 -#define W25N_BLOCK_SIZE (W25N_PAGE_SIZE * W25N_PAGES_PER_BLOCK) -#define W25N_BLOCK_COUNT 1024 - -int lfs_read(const struct lfs_config *c, lfs_block_t block, lfs_off_t offset, uint8_t *location, lfs_size_t size); -int lfs_prog(const struct lfs_config *c, lfs_block_t block, lfs_off_t offset, uint8_t *data, lfs_size_t size); -int lfs_erase(const struct lfs_config *c, lfs_block_t block); -int lfs_sync(const struct lfs_config *c); - -int stmlfs_file_open(lfs_file_t *file, const char *path, int flags); -int stmlfs_file_read(lfs_file_t *file,void *buffer, lfs_size_t size); -int stmlfs_file_rewind(lfs_file_t *file); -lfs_ssize_t stmlfs_file_write(lfs_file_t *file,const void *buffer, lfs_size_t size); -int stmlfs_file_close(lfs_file_t *file); - -int stmlfs_mount(); -int stmlfs_unmount(); - -#endif /* INC_LITTLEFS_LFS_PORT_H_ */ diff --git a/Ganesha_II_V2/Core/Inc/stm32h7xx_it.h b/Ganesha_II_V2/Core/Inc/stm32h7xx_it.h index 3ad2e86..49bef0a 100644 --- a/Ganesha_II_V2/Core/Inc/stm32h7xx_it.h +++ b/Ganesha_II_V2/Core/Inc/stm32h7xx_it.h @@ -61,6 +61,7 @@ void DMA1_Stream0_IRQHandler(void); void TIM1_UP_IRQHandler(void); void EXTI15_10_IRQHandler(void); void UART5_IRQHandler(void); +void OTG_FS_IRQHandler(void); /* USER CODE BEGIN EFP */ /* USER CODE END EFP */ diff --git a/Ganesha_II_V2/Core/Src/flash/flash.c b/Ganesha_II_V2/Core/Src/flash/flash.c new file mode 100644 index 0000000..d878840 --- /dev/null +++ b/Ganesha_II_V2/Core/Src/flash/flash.c @@ -0,0 +1,116 @@ +#include "flash.h" + +#include "w25n01kv.h" +#include "gd5f1gq5xe.h" +#include "lfs.h" + +#include "STRUCTS.h" + +#include + +// Wrappers for w25n01kv +static int w25n01kv_lfs_read(const struct lfs_config *c, lfs_block_t block, lfs_off_t offset, + void *location, lfs_size_t size) +{ + uint32_t page = block * W25N_PAGES_PER_BLOCK + (offset / W25N_PAGE_SIZE); + uint16_t col = offset % W25N_PAGE_SIZE; + return w25n01kv_read(page, col, location, size); +} + +static int w25n01kv_lfs_prog(const struct lfs_config *c, lfs_block_t block, lfs_off_t offset, + const void *data, lfs_size_t size) +{ + uint32_t page = block * W25N_PAGES_PER_BLOCK + (offset / W25N_PAGE_SIZE); + uint16_t col = offset % W25N_PAGE_SIZE; + return w25n01kv_write(page, col, data, size); +} + +static int w25n01kv_lfs_erase(const struct lfs_config *c, lfs_block_t block) { + uint32_t page = block * W25N_PAGES_PER_BLOCK; + return w25n01kv_erase(page); +} + +// Wrappers for gd5f1gq5xe +static int gd5f1gq5xe_lfs_read(const struct lfs_config *c, lfs_block_t block, lfs_off_t offset, + void *location, lfs_size_t size) +{ + uint32_t page = block * GD5F_PAGES_PER_BLOCK + (offset / GD5F_PAGE_SIZE); + uint16_t col = offset % GD5F_PAGE_SIZE; + return gd5f1gq5xe_read(page, col, location, size); +} + +static int gd5f1gq5xe_lfs_prog(const struct lfs_config *c, lfs_block_t block, lfs_off_t offset, + const void *data, lfs_size_t size) +{ + uint32_t page = block * GD5F_PAGES_PER_BLOCK + (offset / GD5F_PAGE_SIZE); + uint16_t col = offset % GD5F_PAGE_SIZE; + return gd5f1gq5xe_write(page, col, data, size); +} + +static int gd5f1gq5xe_lfs_erase(const struct lfs_config *c, lfs_block_t block) { + uint32_t page = block * GD5F_PAGES_PER_BLOCK; + return gd5f1gq5xe_erase(page); +} + +void flash_init(struct flash_dev *dev, enum flash_name name) +{ + dev->name = name; +} + +int flash_mount(struct flash_dev *flash, const struct lfs_config *config) +{ + gd5f1gq5xe_unlock(); + int err = lfs_mount(&(flash->lfs), config); + if (err) { + lfs_format(&(flash->lfs), config); + lfs_mount(&(flash->lfs), config); + return flash_boot_count(flash, true); + } + /* flash_boot_count(flash, true); */ + return err; +} + +int flash_unmount(struct flash_dev *flash) +{ + return lfs_unmount(&(flash->lfs)); +} + +uint32_t flash_boot_count(struct flash_dev *flash, bool update) +{ + lfs_file_t file; + uint32_t boot_count = 0; + + lfs_file_open(&(flash->lfs), &file, "boot_count", LFS_O_RDWR | LFS_O_CREAT); + lfs_file_read(&(flash->lfs), &file, &boot_count, sizeof(boot_count)); + + if (update) { + ++boot_count; + lfs_file_rewind(&(flash->lfs), &file); + lfs_file_write(&(flash->lfs), &file, &boot_count, sizeof(boot_count)); + } + + lfs_file_close(&(flash->lfs), &file); + return boot_count; +} + +bool flash_open(struct flash_dev *flash, lfs_file_t *file, const char *filename) +{ + ganesha_II_packet packet = {0}; + lfs_file_open(&(flash->lfs), file, filename, LFS_O_RDWR | LFS_O_CREAT | LFS_O_APPEND); + // Do a test read to make sure the file exists and is properly readable + lfs_file_seek(&(flash->lfs), file, 0, LFS_SEEK_SET); + lfs_ssize_t size = lfs_file_read(&(flash->lfs), file, &packet, sizeof(packet)); + return size == sizeof(packet); +} + +bool flash_append(struct flash_dev *flash, lfs_file_t *file, const uint8_t *bytes, const size_t size) +{ + lfs_ssize_t s = lfs_file_write(&(flash->lfs), file, bytes, size); + lfs_file_sync(&(flash->lfs), file); + return s == size; +} + +int flash_close(struct flash_dev *flash, lfs_file_t *file) +{ + return lfs_file_close(&(flash->lfs), file); +} diff --git a/Ganesha_II_V2/Core/Src/flash/gd5f1gq5xe.c b/Ganesha_II_V2/Core/Src/flash/gd5f1gq5xe.c new file mode 100644 index 0000000..8e84f60 --- /dev/null +++ b/Ganesha_II_V2/Core/Src/flash/gd5f1gq5xe.c @@ -0,0 +1,179 @@ +#include "gd5f1gq5xe.h" + +#include "main.h" + +extern SPI_HandleTypeDef hspi4; + +static void chip_select() +{ + HAL_GPIO_WritePin(FLASH_CS_GPIO_Port, FLASH_CS_Pin, GPIO_PIN_RESET); +} + +static void chip_deselect() +{ + HAL_GPIO_WritePin(FLASH_CS_GPIO_Port, FLASH_CS_Pin, GPIO_PIN_SET); +} + +static bool spi_transmit(void *buffer, const size_t size) +{ + return HAL_SPI_Transmit(&hspi4, (uint8_t*) buffer, size, HAL_MAX_DELAY); +} + +static bool spi_receive(void *buffer, const size_t size) +{ + return HAL_SPI_Receive(&hspi4, (uint8_t*) buffer, size, HAL_MAX_DELAY); +} + +static int write_enable() +{ + uint8_t tx = GD5F_WRITE_ENABLE; + chip_select(); + if (spi_transmit(&tx, sizeof(tx)) != 0) { + chip_deselect(); + return 1; + } + chip_deselect(); + return 0; +} + +int gd5f1gq5xe_read(const uint32_t page, const uint16_t col, void *buffer, const size_t size) +{ + // Read Page Command requires read op code followed by 24-bit address + uint8_t tx1[] = { + GD5F_READ_TO_CACHE, + /* 0x00, */ + (page & 0xFF0000) >> 16, + (page & 0x00FF00) >> 8, + (page & 0x0000FF) + }; + chip_select(); + if (spi_transmit(tx1, sizeof(tx1)) != 0) { + chip_deselect(); + return 1; + } + chip_deselect(); + /* HAL_Delay(1); */ + + // Read data from cache requires the op code followed by four dummy bits + // (0) and then a 11 bit address. It also needs dummy bytes after. + uint8_t tx2[] = { + GD5F_READ_FROM_CACHE, + (col & 0x0F00) >> 8, + (col & 0x00FF), + 0x00 + }; + chip_select(); + if (spi_transmit(tx2, sizeof(tx2)) != 0) { + chip_deselect(); + return 1; + }; + /* HAL_Delay(5); */ + if (spi_receive(buffer, size) != 0) { + chip_deselect(); + return 1; + } + chip_deselect(); + return 0; +} + +int gd5f1gq5xe_write(const uint32_t page, const uint16_t col, const void *buffer, const size_t size) +{ + if (write_enable() != 0) { + chip_deselect(); + return 1; + } + + uint8_t tx1[] = { + GD5F_PROGRAM_LOAD, + (col & 0x0F00) >> 8, + (col & 0x00FF) + }; + chip_select(); + if (spi_transmit(tx1, sizeof(tx1)) != 0) { + chip_deselect(); + return 1; + } + if (spi_transmit(buffer, size) != 0) { + chip_deselect(); + return 1; + }; + chip_deselect(); + + uint8_t tx2[] = { + GD5F_PROGRAM_EXECUTE, + 0x00, + (page & 0x00FF00) >> 8, + (page & 0x0000FF) + }; + chip_select(); + if (spi_transmit(tx2, sizeof(tx2)) != 0) { + chip_deselect(); + return 1; + } + chip_deselect(); + + HAL_Delay(5); + return 0; +} + +int gd5f1gq5xe_erase(const uint32_t page) +{ + if (write_enable() != 0) { + chip_deselect(); + return 1; + } + + uint8_t tx[] = { + GD5F_ERASE, + 0x00, + (page & 0x00FF00) >> 8, + (page & 0x0000FF) + }; + chip_select(); + if (spi_transmit(tx, sizeof(tx)) != 0) { + chip_deselect(); + return 1; + } + chip_deselect(); + + HAL_Delay(25); + return 0; +} + +int gd5f1gq5xe_unlock() +{ + if (write_enable() != 0) { + chip_deselect(); + return 1; + } + + chip_select(); + uint8_t cmd[] = { GD5F_READ_ID, 0x00 }; + uint8_t data[] = { 0, 0 }; + if (spi_transmit(cmd, sizeof(cmd)) != 0) { + chip_deselect(); + return 1; + } + spi_receive(data, sizeof(data)); + chip_deselect(); + + if (write_enable() != 0) { + chip_deselect(); + return 1; + } + + uint8_t tx[] = { + GD5F_SET_FEATURE, + 0xA0, + 0x00, + }; + chip_select(); + if (spi_transmit(tx, sizeof(tx)) != 0) { + chip_deselect(); + return 1; + } + chip_deselect(); + + HAL_Delay(25); + return 0; +} diff --git a/Ganesha_II_V2/Core/Src/flash/w25n01kv.c b/Ganesha_II_V2/Core/Src/flash/w25n01kv.c new file mode 100644 index 0000000..d63cba8 --- /dev/null +++ b/Ganesha_II_V2/Core/Src/flash/w25n01kv.c @@ -0,0 +1,189 @@ +#include "w25n01kv.h" + +#include "main.h" + +#include +#include + +extern SPI_HandleTypeDef hspi4; + +static void chip_select() +{ + HAL_GPIO_WritePin(FLASH_CS_GPIO_Port, FLASH_CS_Pin, GPIO_PIN_RESET); +} + +static void chip_deselect() +{ + HAL_GPIO_WritePin(FLASH_CS_GPIO_Port, FLASH_CS_Pin, GPIO_PIN_SET); +} + +static int spi_transmit(void *buffer, const size_t size) +{ + return HAL_SPI_Transmit(&hspi4, (uint8_t*) buffer, size, HAL_MAX_DELAY); +} + +static int spi_receive(void *buffer, const size_t size) +{ + return HAL_SPI_Receive(&hspi4, (uint8_t*) buffer, size, HAL_MAX_DELAY); +} + +static int w25n01kv_write_enable() +{ + uint8_t tx = W25N_CMD_WRITE_ENABLE; + chip_select(); + if (spi_transmit(&tx, sizeof(tx)) != 0) { + chip_deselect(); + return 1; + } + chip_deselect(); + return 0; +} + +static int w25n01kv_write_disable() +{ + uint8_t tx = W25N_CMD_WRITE_DISABLE; + chip_select(); + if (spi_transmit(&tx, sizeof(tx)) != 0) { + chip_deselect(); + return 1; + } + chip_deselect(); + return 0; +} + +int w25n01kv_read(const uint32_t page, const uint16_t col, void *buffer, const size_t size) +{ + // Read Page Command requires read op code followed by 24-bit address + uint8_t tx1[] = { + W25N_CMD_PAGE_DATA_READ, + (page & 0xFF0000) >> 16, + (page & 0x00FF00) >> 8, + (page & 0x0000FF) + }; + chip_select(); + if (spi_transmit(tx1, sizeof(tx1)) != 0) { + chip_deselect(); + return 1; + } + chip_deselect(); + HAL_Delay(1); + + // Read Data Command requires read op code followed by 16-bit address + // and a 8-bit dummy clock, called after read page in order to actually + // get the data. The 16-bit address refers to the column + uint8_t tx2[] = { + W25N_CMD_READ_FROM_BUFFER, + (col & 0xFF00) >> 8, + (col & 0x00FF), + 0xFF + }; + chip_select(); + if (!spi_transmit(tx2, sizeof(tx2))) { + chip_deselect(); + return 1; + }; + if (!spi_receive(buffer, size)) { + chip_deselect(); + return 1; + } + chip_deselect(); + return 0; +} + + +int w25n01kv_write(const uint32_t page, const uint16_t col, const void *buffer, const size_t size) +{ + if (!w25n01kv_write_enable()) { + chip_deselect(); + return 1; + } + chip_select(); + + uint8_t tx1[] = { + W25N_CMD_LOAD_PROGRAM_DATA, + (col & 0xFF00) >> 8, + (col & 0x00FF) + }; + chip_select(); + if (!spi_transmit(tx1, sizeof(tx1))) { + chip_deselect(); + return 1; + } + if (!spi_transmit(buffer, size)) { + chip_deselect(); + return 1; + }; + chip_deselect(); + + uint8_t tx2[] = { + W25N_CMD_PROGRAM_EXECUTE, + (page & 0xFF0000) >> 16, + (page & 0x00FF00) >> 8, + (page & 0x0000FF) + }; + chip_select(); + if (!spi_transmit(tx2, sizeof(tx2))) { + chip_deselect(); + return 1; + } + chip_deselect(); + + HAL_Delay(3); + return 0; +} + +int w25n01kv_erase(const uint32_t page) +{ + if (!w25n01kv_write_enable()) { + chip_deselect(); + return 1; + } + + uint8_t tx[] = { + W25N_CMD_BLOCK_ERASE, + (page & 0xFF0000) >> 16, + (page & 0x00FF00) >> 8, + (page & 0x0000FF) + }; + chip_select(); + if (!spi_transmit(tx, sizeof(tx))) { + chip_deselect(); + return 1; + } + chip_deselect(); + + HAL_Delay(10); + return 0; +} + + +int w25n01kv_unlock() +{ + chip_select(); + chip_deselect(); + uint8_t tx0[] = { 0xFF }; + // for debugging + while (1) { + chip_select(); + if (spi_transmit(tx0, sizeof(tx0)) != 0) { + chip_deselect(); + return 1; + } + chip_deselect(); + HAL_Delay(50); + } + + uint8_t tx[] = { 0x9F, 0x00 }; + uint8_t rx[3] = {0}; + chip_select(); + if (spi_transmit(tx, sizeof(tx)) != 0) { + chip_deselect(); + return 1; + } + if (spi_receive(rx, sizeof(rx)) != 0) { + chip_deselect(); + return 1; + } + chip_deselect(); + return 0; +} diff --git a/Ganesha_II_V2/Core/Src/lfs_port.c b/Ganesha_II_V2/Core/Src/lfs_port.c deleted file mode 100644 index a16f43d..0000000 --- a/Ganesha_II_V2/Core/Src/lfs_port.c +++ /dev/null @@ -1,187 +0,0 @@ -#include "main.h" -#include "lfs.h" -#include "lfs_port.h" - -extern SPI_HandleTypeDef hspi4; -static lfs_t lfs; - -// Sets FLASH_CS low -static void csLow() { - HAL_GPIO_WritePin(GPIOE, GPIO_PIN_3, GPIO_PIN_RESET); -} - -// Sets FLASH_CS high -static void csHigh() { - HAL_GPIO_WritePin(GPIOE, GPIO_PIN_3, GPIO_PIN_SET); -} - -// Sends array of commands or data -static void spiSend(uint8_t *send, uint16_t size) { - HAL_SPI_Transmit(&hspi4, send, size, HAL_MAX_DELAY); -} - -// Receives data and stores in location -static void spiReceive(uint8_t *location, uint16_t size) { - static uint8_t tx[2048]; - memset(tx, 0xFF, size); - - HAL_SPI_TransmitReceive(&hspi4, tx, location, size, HAL_MAX_DELAY); -} - -struct lfs_config lfsconfig = { - .read = lfs_read, - .prog = lfs_prog, - .erase = lfs_erase, - .sync = lfs_sync, - - .read_size = W25N_PAGE_SIZE, - .prog_size = W25N_PAGE_SIZE, - .block_size = W25N_BLOCK_SIZE, - .block_count = W25N_BLOCK_COUNT, - .cache_size = W25N_PAGE_SIZE, // Keep a multiple of page size - .lookahead_size = 128, // In BYTES, not bits (1 bit represents 1 block) - .block_cycles = 500, // Write to a block x times before moving on (lower better for wear leveling, higher better for performance) -}; - -int lfs_read(const struct lfs_config *c, lfs_block_t block, lfs_off_t offset, uint8_t *location, lfs_size_t size){ - // Calculate page to read from and column within page to start at - uint32_t page = block * W25N_PAGES_PER_BLOCK + (offset / W25N_PAGE_SIZE); - uint16_t col = offset % W25N_PAGE_SIZE; - - // Read full page and put into cache - csLow(); - uint8_t cmd1[] = { // 4 byte command as per datasheet (1 is command, 2 is dummy, 3 and 4 tell which page to read) - W25N_CMD_PAGE_DATA_READ, - (page >> 16) & 0xFF, - (page >> 8) & 0xFF, - page & 0xFF - }; - spiSend(cmd1, 4); - csHigh(); - HAL_Delay(1); // Page Data Read time is around 25-100 nanoseconds, so 1 millisecond is plenty wait - - // Read specific data from cache - csLow(); - uint8_t cmd2[] = { // 4 byte command as per datasheet (1 is command, 3 and 4 is where in page to start reading, 4 is dummy) - W25N_CMD_READ_FROM_BUFFER, - (col >> 8) & 0xFF, - col & 0xFF, - 0x00 - }; - spiSend(cmd2, 4); - spiReceive(location, size); - csHigh(); - - return 0; -} - -int lfs_prog(const struct lfs_config *c, lfs_block_t block, lfs_off_t offset, uint8_t *data, lfs_size_t size){ - // Calculate page to read from and column within page to start at - uint16_t page = block * W25N_PAGES_PER_BLOCK + (offset / W25N_PAGE_SIZE); - uint16_t col = offset % W25N_PAGE_SIZE; - - // Send Write Enable - uint8_t writeEnable = W25N_CMD_WRITE_ENABLE; - csLow(); - spiSend(&writeEnable, 1); - csHigh(); - - // Send Load Program Data - csLow(); - uint8_t cmd1[] = { - W25N_CMD_LOAD_PROGRAM_DATA, - (col >> 8) & 0xFF, - col & 0xFF - }; - spiSend(cmd1, 3); - spiSend(data, size); - csHigh(); - - // Send Program Execute command - csLow(); - uint8_t cmd2[] = { - W25N_CMD_PROGRAM_EXECUTE, - (page >> 16) & 0xFF, - (page >> 8) & 0xFF, - page & 0xFF - }; - spiSend(cmd2, 4); - csHigh(); - - // Wait for everything to be done (I want to use READ_STATUS_REGISTER to detect when the operation is done instead of always waiting 3 milliseconds. But if the operation always takes less than 3 milliseconds, it doesn't really matter) - HAL_Delay(3); - - return 0; -} - -int lfs_erase(const struct lfs_config *c, lfs_block_t block){ - // Calculate which page to erase - uint32_t page = block * W25N_PAGES_PER_BLOCK; - - // Send Write Enable - uint8_t writeEnable = W25N_CMD_WRITE_ENABLE; - csLow(); - spiSend(&writeEnable, 1); - csHigh(); - - // Send Block Erase - csLow(); - uint8_t cmd1[] = { - W25N_CMD_BLOCK_ERASE, - (page >> 16) && 0xFF, - (page >> 8) && 0xFf, - page & 0xFF - }; - spiSend(cmd1, 4); - csLow(); - - HAL_Delay(10); - - return 0; -} - -int lfs_sync(const struct lfs_config *c){ - // Writes and erases are sent immediately within the methods, so nothing to actually sync. Method is just required by lfs. - return 0; -} - -int stmlfs_mount(){ - int err = lfs_mount(&lfs, &lfsconfig); - - if (err){ - lfs_format(&lfs, &lfsconfig); - err = lfs_mount(&lfs, &lfsconfig); - } - - return err; -} - -int stmlfs_unmount(){ - return lfs_unmount(&lfs); -} - -int stmlfs_file_open(lfs_file_t *file, const char *path, int flags) -{ - return lfs_file_open(&lfs, file, path, flags); -} - -int stmlfs_file_read(lfs_file_t *file,void *buffer, lfs_size_t size) -{ - return lfs_file_read(&lfs, file, buffer, size); -} - -int stmlfs_file_rewind(lfs_file_t *file) -{ - return lfs_file_rewind(&lfs, file); -} - -lfs_ssize_t stmlfs_file_write(lfs_file_t *file,const void *buffer, lfs_size_t size) -{ - return lfs_file_write(&lfs, file, buffer, size); -} - -int stmlfs_file_close(lfs_file_t *file) -{ - return lfs_file_close(&lfs, file); -} - diff --git a/Ganesha_II_V2/Core/Src/main.c b/Ganesha_II_V2/Core/Src/main.c index 4e641e3..277e700 100644 --- a/Ganesha_II_V2/Core/Src/main.c +++ b/Ganesha_II_V2/Core/Src/main.c @@ -3,7 +3,7 @@ ****************************************************************************** * @file : main.c * @brief : Main program body - * @author : Mahir Shah (mahir.shah@rutgers.edu), Tyler-Odeh Abbassi (tfa21@scarletmail.rutgers.edu) + * @author : Mahir Shah (mahir.shah@rutgers.edu), Tyler-Odeh Abbassi (tfa21@scarletmail.rutgers.edu) ****************************************************************************** * @attention * @@ -20,6 +20,7 @@ /* USER CODE END Header */ /* Includes ------------------------------------------------------------------*/ #include "main.h" +#include "usb_device.h" /* Private includes ----------------------------------------------------------*/ /* USER CODE BEGIN Includes */ @@ -27,10 +28,15 @@ #include "bmi088.h" #include "CD-PA1616S.h" #include "bmp581.h" +#include "flash.h" +#include "gd5f1gq5xe.h" +#include "STRUCTS.h" + #include #include #include #include + #include "STRUCTS.h" #include "orientation_estimator.h" @@ -77,12 +83,54 @@ UART_HandleTypeDef huart5; UART_HandleTypeDef huart8; DMA_HandleTypeDef hdma_uart8_rx; -PCD_HandleTypeDef hpcd_USB_OTG_FS; - /* USER CODE BEGIN PV */ //char gps_receive_buffer[BUFFER_SIZE]; //uint8_t gps_dma_buffer[BUFFER_SIZE]; +struct flash_dev flash; + +static int flash_sync(const struct lfs_config *c) +{ + return 0; +} + +static int lfs_read(const struct lfs_config *c, lfs_block_t block, lfs_off_t offset, + void *location, lfs_size_t size) +{ + uint32_t page = block * GD5F_PAGES_PER_BLOCK + (offset / GD5F_PAGE_SIZE); + uint16_t col = offset % GD5F_PAGE_SIZE; + return gd5f1gq5xe_read(page, col, location, size); +} + +static int lfs_prog(const struct lfs_config *c, lfs_block_t block, lfs_off_t offset, + const void *data, lfs_size_t size) +{ + uint32_t page = block * GD5F_PAGES_PER_BLOCK + (offset / GD5F_PAGE_SIZE); + uint16_t col = offset % GD5F_PAGE_SIZE; + return gd5f1gq5xe_write(page, col, data, size); +} + +static int lfs_erase(const struct lfs_config *c, lfs_block_t block) +{ + uint32_t page = block * GD5F_PAGES_PER_BLOCK; + return gd5f1gq5xe_erase(page); +} + +static const struct lfs_config flash_cfg = { + .read = &lfs_read, + .prog = &lfs_prog, + .erase = &lfs_erase, + .sync = flash_sync, + + .read_size = GD5F_PAGE_SIZE, + .prog_size = GD5F_PAGE_SIZE, + .block_size = GD5F_BLOCK_SIZE, + .block_count = GD5F_BLOCK_COUNT, + .cache_size = GD5F_PAGE_SIZE, + .lookahead_size = 128, + .block_cycles = 512, +}; + /* USER CODE END PV */ /* Private function prototypes -----------------------------------------------*/ @@ -94,7 +142,6 @@ static void MX_SPI1_Init(void); static void MX_SPI4_Init(void); static void MX_UART5_Init(void); static void MX_UART8_Init(void); -static void MX_USB_OTG_FS_PCD_Init(void); static void MX_SPI2_Init(void); static void MX_TIM1_Init(void); static void MX_CRC_Init(void); @@ -115,26 +162,26 @@ struct BMP581 bmp581; struct bmp5_sensor_data bmp_data; uint8_t bmp581_init_ok = 0; -void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart){ -if(huart->Instance == UART5){ - if(memcmp(camera_buffer, "FIRE", 4) == 0){ - HAL_GPIO_TogglePin(GPIOD, CAM_FIRE_Pin); - // Timer started - dumb_timer_clear(&camera_timer); - dumb_timer_start(&camera_timer); - camera_fired ^= 1; - - } - // __HAL_UART_CLEAR_OREFLAG(&huart5); - //HAL_UART_Receive_IT(&huart5, camera_buffer, 4); - } - __HAL_UART_CLEAR_OREFLAG(&huart5); - HAL_UART_Receive_IT(&huart5, camera_buffer, 4); +void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart) +{ + if (huart->Instance == UART5) { + if (memcmp(camera_buffer, "FIRE", 4) == 0) { + HAL_GPIO_TogglePin(GPIOD, CAM_FIRE_Pin); + // Timer started + dumb_timer_clear(&camera_timer); + dumb_timer_start(&camera_timer); + camera_fired ^= 1; + } + // __HAL_UART_CLEAR_OREFLAG(&huart5); + // HAL_UART_Receive_IT(&huart5, camera_buffer, 4); + } + __HAL_UART_CLEAR_OREFLAG(&huart5); + HAL_UART_Receive_IT(&huart5, camera_buffer, 4); } - -uint32_t calculate_checksum(const uint8_t *data, size_t length) { - return HAL_CRC_Calculate(&hcrc, (uint32_t *)data, length); +uint32_t calculate_checksum(const uint8_t *data, size_t length) +{ + return HAL_CRC_Calculate(&hcrc, (uint32_t *)data, length); } // Triggers when the timer has run, shutdowns the camera @@ -147,10 +194,10 @@ void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef *htim){ // camera_fired ^= 1; // } - // Timer Notes - // Prescaler = 999, Counter = 3999, APB2 Timer Clock = 8MHZ, Div By 2, Time = 0.5s - //Prescaler = 999, Counter = 7999, APB2 Timer Clock = 8MHZ, Div By 2, Time = 1s - //Prescaler = 59999, Counter = 9999, APB2 Timer Clock = 8MHZ, Div By 2, Time = 180s + // Timer Notes + // Prescaler = 999, Counter = 3999, APB2 Timer Clock = 8MHZ, Div By 2, Time = 0.5s + //Prescaler = 999, Counter = 7999, APB2 Timer Clock = 8MHZ, Div By 2, Time = 1s + //Prescaler = 59999, Counter = 9999, APB2 Timer Clock = 8MHZ, Div By 2, Time = 180s } uint8_t bmi088_init_ok = 0; @@ -161,23 +208,23 @@ volatile uint8_t accel_ready; volatile uint8_t gyro_ready; void HAL_GPIO_EXTI_Callback(uint16_t pin) { - if (pin == BMI088_GYRO_INT_PIN) { - if (bmi088_init_ok == 0) return; + if (pin == BMI088_GYRO_INT_PIN) { + if (bmi088_init_ok == 0) return; - if (!gyro_ready){ - gyro_ready = 1; - } + if (!gyro_ready){ + gyro_ready = 1; + } - } else if (pin == BMI088_ACCEL_INT_PIN) { - if (bmi088_init_ok == 0) return; + } else if (pin == BMI088_ACCEL_INT_PIN) { + if (bmi088_init_ok == 0) return; - if (!accel_ready){ - accel_ready = 1; - } + if (!accel_ready){ + accel_ready = 1; + } - } + } - __HAL_GPIO_EXTI_CLEAR_FLAG(pin); + __HAL_GPIO_EXTI_CLEAR_FLAG(pin); } struct Orientation_Estimator estimator; @@ -193,10 +240,9 @@ int main(void) { /* USER CODE BEGIN 1 */ - char uart_buf[50]; - int uart_buf_len; - uint16_t timer_val; - lfs_file_t file; + char uart_buf[50]; + int uart_buf_len; + uint16_t timer_val; /* USER CODE END 1 */ @@ -224,159 +270,87 @@ int main(void) MX_SPI4_Init(); MX_UART5_Init(); MX_UART8_Init(); - MX_USB_OTG_FS_PCD_Init(); MX_SPI2_Init(); MX_TIM1_Init(); MX_CRC_Init(); MX_TIM2_Init(); + /* MX_USB_DEVICE_Init(); */ /* USER CODE BEGIN 2 */ us_timer_init(); GPS_Init(); -// -// uint8_t bmi088_init_try_count = 1; -// -// while (bmi088_init_ok == 0 && bmi088_init_try_count <= 3) { -// if (bmi088_init(&bmi088, &hspi2) == BMI08_OK) { -// bmi088_init_ok = 1; -// break; -// } else { -// bmi088_init_try_count++; -// HAL_Delay(500); -// } -// } -// -// if (bmp581_init(&bmp581, &hi2c2) == BMP5_OK) { -// bmp581_init_ok = 1; -// } dumb_timer_init(&camera_timer, HRS_TO_MS(2)); uint32_t prev_baro_read_time = HAL_GetTick(); - + uint8_t bmi088_init_try_count = 1; - /* lfs_mount is failing; - * lfs_init is fine; - * fails line 4497 in lfs.c while "fetching next block in tail list" - * fails like 1126 - lfs_bd_read - * on line 116 of lfs_bd_read - * int err = lfs->cfg->read(lfs->cfg, rcache->block, - rcache->off, rcache->buffer, rcache->size); - LFS_ASSERT(err <= 0); - if (err) { - return err; - } - * - **/ - uint32_t boot_count = 10; - - uint8_t id[3]; - uint8_t cmd = 0x9F; - - csLow(); - csHigh(); - - //test -// csLow(); -// HAL_SPI_Transmit(&hspi4, &cmd, 1, HAL_MAX_DELAY); -// HAL_SPI_TransmitReceive(&hspi4, (uint8_t[]){0xFF,0xFF,0xFF}, id, 3, HAL_MAX_DELAY); -// csHigh(); - - - HAL_GPIO_WritePin(GPIOE, GPIO_PIN_3, GPIO_PIN_SET); - HAL_GPIO_WritePin(GPIOE, GPIO_PIN_3, GPIO_PIN_RESET); - - - stmlfs_mount(); - - for(int i = 0; i < boot_count; ++i) { - HAL_GPIO_TogglePin(GPIOB, LED_Pin); - HAL_Delay(100); + while (bmi088_init_ok == 0 && bmi088_init_try_count <= 3) { + if (bmi088_init(&bmi088, &hspi2) == BMI08_OK) { + bmi088_init_ok = 1; + break; + } else { + bmi088_init_try_count++; + HAL_Delay(500); + } } - stmlfs_file_open(&file, "boot_count", LFS_O_RDWR | LFS_O_CREAT); - stmlfs_file_read(&file, &boot_count, sizeof(boot_count)); - - boot_count += 1; - stmlfs_file_rewind(&file); - stmlfs_file_write(&file, &boot_count, sizeof(boot_count)); - - stmlfs_file_close(&file); - - stmlfs_unmount(); - + if (bmp581_init(&bmp581, &hi2c2) == BMP5_OK) { + bmp581_init_ok = 1; + } + packet = (ganesha_II_packet){0}; short magic = 0xBEEF; packet.magic = magic; - packet.status = 0; - packet.time_us =0; - packet.main_voltage_v = 0.0f; - packet.pyro_voltage_v = 0.0f; - packet.numSatellites = 0; - packet.gpsFixType = 0; - packet.latitude_degrees = 0.0f; - packet.longitude_degrees = 0.0f; - packet.gps_hMSL_m = 0.0f; - packet.barometer_hMSL_m = 0.0f; - packet.temperature_c = 0.0f; - packet.acceleration_x_mss = 0.0f; - packet.acceleration_y_mss = 0.0f; - packet.acceleration_z_mss = 0.0f; - packet.angular_velocity_x_rads = 0.0f; - packet.angular_velocity_y_rads = 0.0f; - packet.angular_velocity_z_rads = 0.0f; - packet.gauss_x = 0.0f; - packet.gauss_y = 0.0f; - packet.gauss_z = 0.0f; - packet.kf_acceleration_mss = 0.0f; - packet.kf_velocity_ms = 0.0f; - packet.kf_position_m = 0.0f; - packet.w = 0.0f; - packet.x = 0.0f; - packet.y = 0.0f; - packet.z = 0.0f; - packet.checksum = 0; - - __HAL_UART_CLEAR_OREFLAG(&huart5); - HAL_UART_Receive_IT(&huart5, camera_buffer, 4); + __HAL_UART_CLEAR_OREFLAG(&huart5); + HAL_UART_Receive_IT(&huart5, camera_buffer, 4); + flash_init(&flash, GD5F1GQ5XE); + flash_mount(&flash, &flash_cfg); + MX_USB_DEVICE_Init(); + /* uint32_t boot_count = flash_boot_count(&flash, false); */ + /* lfs_file_t packet_file; */ + + __HAL_UART_CLEAR_OREFLAG(&huart5); + HAL_UART_Receive_IT(&huart5, camera_buffer, 4); + + /* flash_open(&flash, &packet_file, "packets"); */ /* USER CODE END 2 */ /* Infinite loop */ /* USER CODE BEGIN WHILE */ - while (1) - { -// // If enough time has passed (1 second), toggle LED and get new timestamp -// if (__HAL_TIM_GET_COUNTER(&htim17) - timer_val >= 10000) -// { -// HAL_GPIO_TogglePin(GPIOB, LED_Pin); -// timer_val = __HAL_TIM_GET_COUNTER(&htim17); -// } + while (1) { + /* HAL_GPIO_WritePin(GPIOE, GPIO_PIN_3, GPIO_PIN_SET); */ + // // If enough time has passed (1 second), toggle LED and get new timestamp + // if (__HAL_TIM_GET_COUNTER(&htim17) - timer_val >= 10000) + // { + // HAL_GPIO_TogglePin(GPIOB, LED_Pin); + // timer_val = __HAL_TIM_GET_COUNTER(&htim17); + // } /* USER CODE END WHILE */ /* USER CODE BEGIN 3 */ - packet.latitude_degrees = gps_packet.latitude_degrees; - packet.longitude_degrees = gps_packet.longitude_degrees; - packet.numSatellites = gps_packet.numSatellites; - packet.gpsFixType = gps_packet.gpsFixType; - packet.gps_hMSL_m = gps_packet.gps_hMSL_m; + packet.latitude_degrees = gps_packet.latitude_degrees; + packet.longitude_degrees = gps_packet.longitude_degrees; + packet.numSatellites = gps_packet.numSatellites; + packet.gpsFixType = gps_packet.gpsFixType; + packet.gps_hMSL_m = gps_packet.gps_hMSL_m; - if (accel_ready && gyro_ready){ + if (accel_ready && gyro_ready) { + bmi088_update_gyro_data(&bmi088, &bmi088_gyro_data); + bmi088_update_accel_data(&bmi088, &bmi088_accel_data); - bmi088_update_gyro_data(&bmi088, &bmi088_gyro_data); - bmi088_update_accel_data(&bmi088, &bmi088_accel_data); + packet.acceleration_x_mss = bmi088_convert_accel_axis_data(&bmi088, bmi088_accel_data.x); + packet.acceleration_y_mss = bmi088_convert_accel_axis_data(&bmi088, bmi088_accel_data.y); + packet.acceleration_z_mss = bmi088_convert_accel_axis_data(&bmi088, bmi088_accel_data.z); - packet.acceleration_x_mss = bmi088_convert_accel_axis_data(&bmi088, bmi088_accel_data.x); - packet.acceleration_y_mss = bmi088_convert_accel_axis_data(&bmi088, bmi088_accel_data.y); - packet.acceleration_z_mss = bmi088_convert_accel_axis_data(&bmi088, bmi088_accel_data.z); - - packet.angular_velocity_x_rads = bmi088_convert_gyro_axis_data(&bmi088, bmi088_gyro_data.x); - packet.angular_velocity_y_rads = bmi088_convert_gyro_axis_data(&bmi088, bmi088_gyro_data.y); - packet.angular_velocity_z_rads = bmi088_convert_gyro_axis_data(&bmi088, bmi088_gyro_data.z); + packet.angular_velocity_x_rads = bmi088_convert_gyro_axis_data(&bmi088, bmi088_gyro_data.x); + packet.angular_velocity_y_rads = bmi088_convert_gyro_axis_data(&bmi088, bmi088_gyro_data.y); + packet.angular_velocity_z_rads = bmi088_convert_gyro_axis_data(&bmi088, bmi088_gyro_data.z); if (!estimator_init) { orientation_estimator_reset_from_accel(&estimator, packet.acceleration_x_mss, packet.acceleration_y_mss, packet.acceleration_z_mss); @@ -397,25 +371,30 @@ int main(void) accel_ready = 0; gyro_ready = 0; + } - } + uint32_t current_time = HAL_GetTick(); - uint32_t current_time = HAL_GetTick(); + if (current_time - prev_baro_read_time >= 2) { + prev_baro_read_time = current_time; + bmp581_update_data(&bmp581, &bmp_data); + } - if (current_time - prev_baro_read_time >= 2) { - prev_baro_read_time = current_time; - bmp581_update_data(&bmp581, &bmp_data); - } + packet.barometer_hMSL_m = bmp581_estimate_altitude_msl(&bmp581, &bmp_data); + packet.temperature_c = bmp_data.temperature; - packet.barometer_hMSL_m = bmp581_estimate_altitude_msl(&bmp581, &bmp_data); - packet.temperature_c = bmp_data.temperature; + if (dumb_timer_done(&camera_timer)) { + dumb_timer_clear(&camera_timer); - if (dumb_timer_done(&camera_timer)) { - dumb_timer_clear(&camera_timer); + HAL_GPIO_TogglePin(GPIOD, CAM_FIRE_Pin); + camera_fired ^= 1; + } - HAL_GPIO_TogglePin(GPIOD, CAM_FIRE_Pin); - camera_fired ^= 1; - } + packet.status = (camera_fired == 1) ? 1 : 0; + packet.checksum = calculate_checksum((const uint8_t *)&packet+sizeof(short), sizeof(packet)-6); + packet.time_us = get_time_us(); + HAL_UART_Transmit(&huart5, (uint8_t*)&packet, sizeof(packet), HAL_MAX_DELAY); + /* flash_append(&flash, &packet_file, (uint8_t*) &packet, sizeof(packet)); */ if (camera_fired == 1){ packet.status = 1; @@ -432,6 +411,9 @@ int main(void) HAL_GPIO_TogglePin(GPIOB, LED_Pin); } + + /* flash_close(&flash, &packet_file); */ + flash_unmount(&flash); /* USER CODE END 3 */ } @@ -693,7 +675,7 @@ static void MX_SPI4_Init(void) hspi4.Init.CLKPolarity = SPI_POLARITY_LOW; hspi4.Init.CLKPhase = SPI_PHASE_1EDGE; hspi4.Init.NSS = SPI_NSS_SOFT; - hspi4.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_2; + hspi4.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_16; hspi4.Init.FirstBit = SPI_FIRSTBIT_MSB; hspi4.Init.TIMode = SPI_TIMODE_DISABLE; hspi4.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE; @@ -911,42 +893,6 @@ static void MX_UART8_Init(void) } -/** - * @brief USB_OTG_FS Initialization Function - * @param None - * @retval None - */ -static void MX_USB_OTG_FS_PCD_Init(void) -{ - - /* USER CODE BEGIN USB_OTG_FS_Init 0 */ - - /* USER CODE END USB_OTG_FS_Init 0 */ - - /* USER CODE BEGIN USB_OTG_FS_Init 1 */ - - /* USER CODE END USB_OTG_FS_Init 1 */ - hpcd_USB_OTG_FS.Instance = USB_OTG_FS; - hpcd_USB_OTG_FS.Init.dev_endpoints = 9; - hpcd_USB_OTG_FS.Init.speed = PCD_SPEED_FULL; - hpcd_USB_OTG_FS.Init.dma_enable = DISABLE; - hpcd_USB_OTG_FS.Init.phy_itface = PCD_PHY_EMBEDDED; - hpcd_USB_OTG_FS.Init.Sof_enable = DISABLE; - hpcd_USB_OTG_FS.Init.low_power_enable = DISABLE; - hpcd_USB_OTG_FS.Init.lpm_enable = DISABLE; - hpcd_USB_OTG_FS.Init.battery_charging_enable = DISABLE; - hpcd_USB_OTG_FS.Init.vbus_sensing_enable = DISABLE; - hpcd_USB_OTG_FS.Init.use_dedicated_ep1 = DISABLE; - if (HAL_PCD_Init(&hpcd_USB_OTG_FS) != HAL_OK) - { - Error_Handler(); - } - /* USER CODE BEGIN USB_OTG_FS_Init 2 */ - - /* USER CODE END USB_OTG_FS_Init 2 */ - -} - /** * Enable DMA controller clock */ @@ -983,7 +929,7 @@ static void MX_GPIO_Init(void) __HAL_RCC_GPIOD_CLK_ENABLE(); /*Configure GPIO pin Output Level */ - HAL_GPIO_WritePin(GPIOE, FLASH_CS_Pin|GPIO_PIN_7|GPIO_PIN_8, GPIO_PIN_RESET); + HAL_GPIO_WritePin(FLASH_CS_GPIO_Port, FLASH_CS_Pin, GPIO_PIN_SET); /*Configure GPIO pin Output Level */ HAL_GPIO_WritePin(GPIOA, GYR_CS_Pin|ACC_CS_Pin|MAG_CS_Pin, GPIO_PIN_RESET); @@ -991,15 +937,18 @@ static void MX_GPIO_Init(void) /*Configure GPIO pin Output Level */ HAL_GPIO_WritePin(GPIOB, GPIO_PIN_1|GPIO_PIN_2|PYRO1_FIRE_Pin|LED_Pin, GPIO_PIN_RESET); + /*Configure GPIO pin Output Level */ + HAL_GPIO_WritePin(GPIOE, GPIO_PIN_7|GPIO_PIN_8, GPIO_PIN_RESET); + /*Configure GPIO pin Output Level */ HAL_GPIO_WritePin(GPIOD, CAM_FIRE_Pin|PYRO0_FIRE_Pin, GPIO_PIN_RESET); - /*Configure GPIO pins : FLASH_CS_Pin PE7 PE8 */ - GPIO_InitStruct.Pin = FLASH_CS_Pin|GPIO_PIN_7|GPIO_PIN_8; + /*Configure GPIO pin : FLASH_CS_Pin */ + GPIO_InitStruct.Pin = FLASH_CS_Pin; GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP; GPIO_InitStruct.Pull = GPIO_NOPULL; - GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW; - HAL_GPIO_Init(GPIOE, &GPIO_InitStruct); + GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH; + HAL_GPIO_Init(FLASH_CS_GPIO_Port, &GPIO_InitStruct); /*Configure GPIO pins : GYR_INT_Pin ACC_INT_Pin */ GPIO_InitStruct.Pin = GYR_INT_Pin|ACC_INT_Pin; @@ -1027,6 +976,13 @@ static void MX_GPIO_Init(void) GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW; HAL_GPIO_Init(GPIOB, &GPIO_InitStruct); + /*Configure GPIO pins : PE7 PE8 */ + GPIO_InitStruct.Pin = GPIO_PIN_7|GPIO_PIN_8; + GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP; + GPIO_InitStruct.Pull = GPIO_NOPULL; + GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW; + HAL_GPIO_Init(GPIOE, &GPIO_InitStruct); + /*Configure GPIO pin : Btn_Interrupt_Pin */ GPIO_InitStruct.Pin = Btn_Interrupt_Pin; GPIO_InitStruct.Mode = GPIO_MODE_IT_RISING; diff --git a/Ganesha_II_V2/Core/Src/stm32h7xx_hal_msp.c b/Ganesha_II_V2/Core/Src/stm32h7xx_hal_msp.c index ad976d6..3670a88 100644 --- a/Ganesha_II_V2/Core/Src/stm32h7xx_hal_msp.c +++ b/Ganesha_II_V2/Core/Src/stm32h7xx_hal_msp.c @@ -622,86 +622,6 @@ void HAL_UART_MspDeInit(UART_HandleTypeDef* huart) } -/** - * @brief PCD MSP Initialization - * This function configures the hardware resources used in this example - * @param hpcd: PCD handle pointer - * @retval None - */ -void HAL_PCD_MspInit(PCD_HandleTypeDef* hpcd) -{ - GPIO_InitTypeDef GPIO_InitStruct = {0}; - RCC_PeriphCLKInitTypeDef PeriphClkInitStruct = {0}; - if(hpcd->Instance==USB_OTG_FS) - { - /* USER CODE BEGIN USB_OTG_FS_MspInit 0 */ - - /* USER CODE END USB_OTG_FS_MspInit 0 */ - - /** Initializes the peripherals clock - */ - PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_USB; - PeriphClkInitStruct.UsbClockSelection = RCC_USBCLKSOURCE_PLL; - if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK) - { - Error_Handler(); - } - - /** Enable USB Voltage detector - */ - HAL_PWREx_EnableUSBVoltageDetector(); - - __HAL_RCC_GPIOA_CLK_ENABLE(); - /**USB_OTG_FS GPIO Configuration - PA11 ------> USB_OTG_FS_DM - PA12 ------> USB_OTG_FS_DP - */ - GPIO_InitStruct.Pin = GPIO_PIN_11|GPIO_PIN_12; - GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; - GPIO_InitStruct.Pull = GPIO_NOPULL; - GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW; - GPIO_InitStruct.Alternate = GPIO_AF10_OTG1_FS; - HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); - - /* Peripheral clock enable */ - __HAL_RCC_USB_OTG_FS_CLK_ENABLE(); - /* USER CODE BEGIN USB_OTG_FS_MspInit 1 */ - - /* USER CODE END USB_OTG_FS_MspInit 1 */ - - } - -} - -/** - * @brief PCD MSP De-Initialization - * This function freeze the hardware resources used in this example - * @param hpcd: PCD handle pointer - * @retval None - */ -void HAL_PCD_MspDeInit(PCD_HandleTypeDef* hpcd) -{ - if(hpcd->Instance==USB_OTG_FS) - { - /* USER CODE BEGIN USB_OTG_FS_MspDeInit 0 */ - - /* USER CODE END USB_OTG_FS_MspDeInit 0 */ - /* Peripheral clock disable */ - __HAL_RCC_USB_OTG_FS_CLK_DISABLE(); - - /**USB_OTG_FS GPIO Configuration - PA11 ------> USB_OTG_FS_DM - PA12 ------> USB_OTG_FS_DP - */ - HAL_GPIO_DeInit(GPIOA, GPIO_PIN_11|GPIO_PIN_12); - - /* USER CODE BEGIN USB_OTG_FS_MspDeInit 1 */ - - /* USER CODE END USB_OTG_FS_MspDeInit 1 */ - } - -} - /* USER CODE BEGIN 1 */ /* USER CODE END 1 */ diff --git a/Ganesha_II_V2/Core/Src/stm32h7xx_it.c b/Ganesha_II_V2/Core/Src/stm32h7xx_it.c index d2e8bec..22f2cc3 100644 --- a/Ganesha_II_V2/Core/Src/stm32h7xx_it.c +++ b/Ganesha_II_V2/Core/Src/stm32h7xx_it.c @@ -56,6 +56,7 @@ /* USER CODE END 0 */ /* External variables --------------------------------------------------------*/ +extern PCD_HandleTypeDef hpcd_USB_OTG_FS; extern TIM_HandleTypeDef htim1; extern DMA_HandleTypeDef hdma_uart8_rx; extern UART_HandleTypeDef huart5; @@ -285,6 +286,20 @@ void UART5_IRQHandler(void) /* USER CODE END UART5_IRQn 1 */ } +/** + * @brief This function handles USB On The Go FS global interrupt. + */ +void OTG_FS_IRQHandler(void) +{ + /* USER CODE BEGIN OTG_FS_IRQn 0 */ + + /* USER CODE END OTG_FS_IRQn 0 */ + HAL_PCD_IRQHandler(&hpcd_USB_OTG_FS); + /* USER CODE BEGIN OTG_FS_IRQn 1 */ + + /* USER CODE END OTG_FS_IRQn 1 */ +} + /* USER CODE BEGIN 1 */ //extern UART_HandleTypeDef huart8; /** diff --git a/Ganesha_II_V2/Ganesha_II_V2.ioc b/Ganesha_II_V2/Ganesha_II_V2.ioc index 2f8f315..05f4f94 100644 --- a/Ganesha_II_V2/Ganesha_II_V2.ioc +++ b/Ganesha_II_V2/Ganesha_II_V2.ioc @@ -356,9 +356,8 @@ SH.GPXTI15.ConfNb=1 SH.GPXTI2.0=GPIO_EXTI2 SH.GPXTI2.ConfNb=1 SPI1.CalculateBaudRate=24.0 MBits/s -SPI1.DataSize=SPI_DATASIZE_4BIT SPI1.Direction=SPI_DIRECTION_2LINES -SPI1.IPParameters=VirtualType,Mode,Direction,CalculateBaudRate,DataSize +SPI1.IPParameters=VirtualType,Mode,Direction,CalculateBaudRate SPI1.Mode=SPI_MODE_MASTER SPI1.VirtualType=VM_MASTER SPI2.BaudRatePrescaler=SPI_BAUDRATEPRESCALER_8 @@ -369,9 +368,8 @@ SPI2.IPParameters=VirtualType,Mode,Direction,CalculateBaudRate,DataSize,BaudRate SPI2.Mode=SPI_MODE_MASTER SPI2.VirtualType=VM_MASTER SPI4.CalculateBaudRate=2.0 MBits/s -SPI4.DataSize=SPI_DATASIZE_8BIT SPI4.Direction=SPI_DIRECTION_2LINES -SPI4.IPParameters=VirtualType,Mode,Direction,CalculateBaudRate,DataSize +SPI4.IPParameters=VirtualType,Mode,Direction,CalculateBaudRate SPI4.Mode=SPI_MODE_MASTER SPI4.VirtualType=VM_MASTER STMicroelectronics.X-CUBE-ALGOBUILD.1.4.0.DSPOoLibraryJjLibrary_Checked=false diff --git a/Ganesha_II_V2/Makefile b/Ganesha_II_V2/Makefile new file mode 100644 index 0000000..0080074 --- /dev/null +++ b/Ganesha_II_V2/Makefile @@ -0,0 +1,246 @@ +########################################################################################################################## +# File automatically-generated by tool: [projectgenerator] version: [4.7.0-B52] date: [Thu Apr 30 03:25:33 GMT 2026] +########################################################################################################################## + +# ------------------------------------------------ +# Generic Makefile (based on gcc) +# +# ChangeLog : +# 2017-02-10 - Several enhancements + project update mode +# 2015-07-22 - first version +# ------------------------------------------------ + +###################################### +# target +###################################### +TARGET = Ganesha_II_V2 + + +###################################### +# building variables +###################################### +# debug build? +DEBUG = 1 +# optimization +OPT = -O0 + + +####################################### +# paths +####################################### +# Build path +BUILD_DIR = build + +###################################### +# source +###################################### +# C sources +C_SOURCES = \ +Core/Src/flash/flash.c \ +Core/Src/flash/gd5f1gq5xe.c \ +Core/Src/flash/w25n01kv.c \ +Core/Src/littlefs/lfs.c \ +Core/Src/littlefs/lfs_util.c \ +Core/Src/main.c \ +Core/Src/CD-PA1616S.c \ +Core/Src/bmi08a.c \ +Core/Src/bmi08g.c \ +Core/Src/bmi08xa.c \ +Core/Src/bmi088.c \ +Core/Src/bmp5.c \ +Core/Src/bmp581.c \ +Core/Src/stm32h7xx_it.c \ +Core/Src/stm32h7xx_hal_msp.c \ +Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_cortex.c \ +Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_crc.c \ +Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_crc_ex.c \ +Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_rcc.c \ +Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_rcc_ex.c \ +Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_flash.c \ +Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_flash_ex.c \ +Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_gpio.c \ +Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_hsem.c \ +Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_dma.c \ +Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_dma_ex.c \ +Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_mdma.c \ +Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_pwr.c \ +Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_pwr_ex.c \ +Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal.c \ +Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_i2c.c \ +Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_i2c_ex.c \ +Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_exti.c \ +Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_spi.c \ +Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_spi_ex.c \ +Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_tim.c \ +Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_tim_ex.c \ +Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_uart.c \ +Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_uart_ex.c \ +Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_pcd.c \ +Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_pcd_ex.c \ +Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_ll_usb.c \ +Core/Src/system_stm32h7xx.c \ +Core/Src/sysmem.c \ +Core/Src/syscalls.c \ +USB_DEVICE/App/usb_device.c \ +USB_DEVICE/App/usbd_desc.c \ +USB_DEVICE/App/usbd_storage_if.c \ +USB_DEVICE/Target/usbd_conf.c \ +Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_core.c \ +Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_ctlreq.c \ +Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_ioreq.c \ +Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc.c \ +Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_bot.c \ +Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_data.c \ +Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_scsi.c + +# ASM sources +ASM_SOURCES = \ +startup_stm32h743xx.s + +# ASMM sources +ASMM_SOURCES = + +# ASMMC sources +ASMMC_SOURCE = + + +####################################### +# binaries +####################################### +PREFIX = arm-none-eabi- +# The gcc compiler bin path can be either defined in make command via GCC_PATH variable (> make GCC_PATH=xxx) +# either it can be added to the PATH environment variable. +ifdef GCC_PATH +CC = $(GCC_PATH)/$(PREFIX)gcc +AS = $(GCC_PATH)/$(PREFIX)gcc -x assembler-with-cpp +CP = $(GCC_PATH)/$(PREFIX)objcopy +SZ = $(GCC_PATH)/$(PREFIX)size +else +CC = $(PREFIX)gcc +AS = $(PREFIX)gcc -x assembler-with-cpp +CP = $(PREFIX)objcopy +SZ = $(PREFIX)size +endif +HEX = $(CP) -O ihex +BIN = $(CP) -O binary -S + +####################################### +# CFLAGS +####################################### +# cpu +CPU = -mcpu=cortex-m7 + +# fpu +FPU = -mfpu=fpv5-d16 + +# float-abi +FLOAT-ABI = -mfloat-abi=hard + +# mcu +MCU = $(CPU) -mthumb $(FPU) $(FLOAT-ABI) + +# macros for gcc +# AS defines +AS_DEFS = + +# C defines +C_DEFS = \ +-DUSE_PWR_LDO_SUPPLY \ +-DUSE_HAL_DRIVER \ +-DSTM32H743xx + + +# AS includes +AS_INCLUDES = + +# C includes +C_INCLUDES = \ +-ICore/Inc \ +-ICore/Inc/flash \ +-ICore/Inc/littlefs \ +-IDrivers/STM32H7xx_HAL_Driver/Inc \ +-IDrivers/STM32H7xx_HAL_Driver/Inc/Legacy \ +-IDrivers/CMSIS/Device/ST/STM32H7xx/Include \ +-IDrivers/CMSIS/Include \ +-IUSB_DEVICE/App \ +-IUSB_DEVICE/Target \ +-IMiddlewares/ST/STM32_USB_Device_Library/Core/Inc \ +-IMiddlewares/ST/STM32_USB_Device_Library/Class/MSC/Inc + + +# compile gcc flags +ASFLAGS = $(MCU) $(AS_DEFS) $(AS_INCLUDES) $(OPT) -Wall -fdata-sections -ffunction-sections + +CFLAGS += $(MCU) $(C_DEFS) $(C_INCLUDES) $(OPT) -Wall -fdata-sections -ffunction-sections + +ifeq ($(DEBUG), 1) +CFLAGS += -g -gdwarf-2 +endif + + +# Generate dependency information +CFLAGS += -MMD -MP -MF"$(@:%.o=%.d)" + + +####################################### +# LDFLAGS +####################################### +# link script +LDSCRIPT = STM32H743XX_FLASH.ld + +# libraries +LIBS = -lc -lm -lnosys +LIBDIR = +LDFLAGS = $(MCU) -specs=nano.specs -T$(LDSCRIPT) $(LIBDIR) $(LIBS) -Wl,-Map=$(BUILD_DIR)/$(TARGET).map,--cref -Wl,--gc-sections + +# default action: build all +all: $(BUILD_DIR)/$(TARGET).elf $(BUILD_DIR)/$(TARGET).hex $(BUILD_DIR)/$(TARGET).bin + + +####################################### +# build the application +####################################### +# list of objects +OBJECTS = $(addprefix $(BUILD_DIR)/,$(notdir $(C_SOURCES:.c=.o))) +vpath %.c $(sort $(dir $(C_SOURCES))) +# list of ASM program objects +OBJECTS += $(addprefix $(BUILD_DIR)/,$(notdir $(ASM_SOURCES:.s=.o))) +vpath %.s $(sort $(dir $(ASM_SOURCES))) +OBJECTS += $(addprefix $(BUILD_DIR)/,$(notdir $(ASMM_SOURCES:.S=.o))) +vpath %.S $(sort $(dir $(ASMM_SOURCES))) +OBJECTS += $(addprefix $(BUILD_DIR)/,$(notdir $(ASMMC_SOURCES:.c=.o))) +vpath %.S $(sort $(dir $(ASMMC_SOURCES))) + +$(BUILD_DIR)/%.o: %.c Makefile | $(BUILD_DIR) + $(CC) -c $(CFLAGS) -Wa,-a,-ad,-alms=$(BUILD_DIR)/$(notdir $(<:.c=.lst)) $< -o $@ + +$(BUILD_DIR)/%.o: %.s Makefile | $(BUILD_DIR) + $(AS) -c $(CFLAGS) $< -o $@ +$(BUILD_DIR)/%.o: %.S Makefile | $(BUILD_DIR) + $(AS) -c $(CFLAGS) $< -o $@ + +$(BUILD_DIR)/$(TARGET).elf: $(OBJECTS) Makefile + $(CC) $(OBJECTS) $(LDFLAGS) -o $@ + $(SZ) $@ + +$(BUILD_DIR)/%.hex: $(BUILD_DIR)/%.elf | $(BUILD_DIR) + $(HEX) $< $@ + +$(BUILD_DIR)/%.bin: $(BUILD_DIR)/%.elf | $(BUILD_DIR) + $(BIN) $< $@ + +$(BUILD_DIR): + mkdir $@ + +####################################### +# clean up +####################################### +clean: + -rm -fR $(BUILD_DIR) + +####################################### +# dependencies +####################################### +-include $(wildcard $(BUILD_DIR)/*.d) + +# *** EOF *** diff --git a/Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Inc/usbd_msc.h b/Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Inc/usbd_msc.h new file mode 100644 index 0000000..e55fef4 --- /dev/null +++ b/Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Inc/usbd_msc.h @@ -0,0 +1,130 @@ +/** + ****************************************************************************** + * @file usbd_msc.h + * @author MCD Application Team + * @brief Header for the usbd_msc.c file + ****************************************************************************** + * @attention + * + * Copyright (c) 2015 STMicroelectronics. + * All rights reserved. + * + * This software is licensed under terms that can be found in the LICENSE file + * in the root directory of this software component. + * If no LICENSE file comes with this software, it is provided AS-IS. + * + ****************************************************************************** + */ + +/* Define to prevent recursive inclusion -------------------------------------*/ +#ifndef __USBD_MSC_H +#define __USBD_MSC_H + +#ifdef __cplusplus +extern "C" { +#endif + +/* Includes ------------------------------------------------------------------*/ +#include "usbd_msc_bot.h" +#include "usbd_msc_scsi.h" +#include "usbd_ioreq.h" + +/** @addtogroup USBD_MSC_BOT + * @{ + */ + +/** @defgroup USBD_MSC + * @brief This file is the Header file for usbd_msc.c + * @{ + */ + + +/** @defgroup USBD_BOT_Exported_Defines + * @{ + */ +/* MSC Class Config */ +#ifndef MSC_MEDIA_PACKET +#define MSC_MEDIA_PACKET 512U +#endif /* MSC_MEDIA_PACKET */ + +#define MSC_MAX_FS_PACKET 0x40U +#define MSC_MAX_HS_PACKET 0x200U + +#define BOT_GET_MAX_LUN 0xFE +#define BOT_RESET 0xFF +#define USB_MSC_CONFIG_DESC_SIZ 32 + +#ifndef MSC_EPIN_ADDR +#define MSC_EPIN_ADDR 0x81U +#endif /* MSC_EPIN_ADDR */ + +#ifndef MSC_EPOUT_ADDR +#define MSC_EPOUT_ADDR 0x01U +#endif /* MSC_EPOUT_ADDR */ + +/** + * @} + */ + +/** @defgroup USB_CORE_Exported_Types + * @{ + */ +typedef struct _USBD_STORAGE +{ + int8_t (* Init)(uint8_t lun); + int8_t (* GetCapacity)(uint8_t lun, uint32_t *block_num, uint16_t *block_size); + int8_t (* IsReady)(uint8_t lun); + int8_t (* IsWriteProtected)(uint8_t lun); + int8_t (* Read)(uint8_t lun, uint8_t *buf, uint32_t blk_addr, uint16_t blk_len); + int8_t (* Write)(uint8_t lun, uint8_t *buf, uint32_t blk_addr, uint16_t blk_len); + int8_t (* GetMaxLun)(void); + int8_t *pInquiry; + +} USBD_StorageTypeDef; + + +typedef struct +{ + uint32_t max_lun; + uint32_t interface; + uint8_t bot_state; + uint8_t bot_status; + uint32_t bot_data_length; + uint8_t bot_data[MSC_MEDIA_PACKET]; + USBD_MSC_BOT_CBWTypeDef cbw; + USBD_MSC_BOT_CSWTypeDef csw; + + USBD_SCSI_SenseTypeDef scsi_sense [SENSE_LIST_DEEPTH]; + uint8_t scsi_sense_head; + uint8_t scsi_sense_tail; + uint8_t scsi_medium_state; + + uint16_t scsi_blk_size; + uint32_t scsi_blk_nbr; + + uint32_t scsi_blk_addr; + uint32_t scsi_blk_len; +} USBD_MSC_BOT_HandleTypeDef; + +/* Structure for MSC process */ +extern USBD_ClassTypeDef USBD_MSC; +#define USBD_MSC_CLASS &USBD_MSC + +uint8_t USBD_MSC_RegisterStorage(USBD_HandleTypeDef *pdev, + USBD_StorageTypeDef *fops); +/** + * @} + */ + +/** + * @} + */ + +#ifdef __cplusplus +} +#endif + +#endif /* __USBD_MSC_H */ +/** + * @} + */ diff --git a/Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Inc/usbd_msc_bot.h b/Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Inc/usbd_msc_bot.h new file mode 100644 index 0000000..8550a39 --- /dev/null +++ b/Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Inc/usbd_msc_bot.h @@ -0,0 +1,146 @@ +/** + ****************************************************************************** + * @file usbd_msc_bot.h + * @author MCD Application Team + * @brief Header for the usbd_msc_bot.c file + ****************************************************************************** + * @attention + * + * Copyright (c) 2015 STMicroelectronics. + * All rights reserved. + * + * This software is licensed under terms that can be found in the LICENSE file + * in the root directory of this software component. + * If no LICENSE file comes with this software, it is provided AS-IS. + * + ****************************************************************************** + */ + +/* Define to prevent recursive inclusion -------------------------------------*/ +#ifndef __USBD_MSC_BOT_H +#define __USBD_MSC_BOT_H + +#ifdef __cplusplus +extern "C" { +#endif + +/* Includes ------------------------------------------------------------------*/ +#include "usbd_core.h" + +/** @addtogroup STM32_USB_DEVICE_LIBRARY + * @{ + */ + +/** @defgroup MSC_BOT + * @brief This file is the Header file for usbd_msc_bot.c + * @{ + */ + + +/** @defgroup USBD_CORE_Exported_Defines + * @{ + */ +#define USBD_BOT_IDLE 0U /* Idle state */ +#define USBD_BOT_DATA_OUT 1U /* Data Out state */ +#define USBD_BOT_DATA_IN 2U /* Data In state */ +#define USBD_BOT_LAST_DATA_IN 3U /* Last Data In Last */ +#define USBD_BOT_SEND_DATA 4U /* Send Immediate data */ +#define USBD_BOT_NO_DATA 5U /* No data Stage */ + +#define USBD_BOT_CBW_SIGNATURE 0x43425355U +#define USBD_BOT_CSW_SIGNATURE 0x53425355U +#define USBD_BOT_CBW_LENGTH 31U +#define USBD_BOT_CSW_LENGTH 13U +#define USBD_BOT_MAX_DATA 256U + +/* CSW Status Definitions */ +#define USBD_CSW_CMD_PASSED 0x00U +#define USBD_CSW_CMD_FAILED 0x01U +#define USBD_CSW_PHASE_ERROR 0x02U + +/* BOT Status */ +#define USBD_BOT_STATUS_NORMAL 0U +#define USBD_BOT_STATUS_RECOVERY 1U +#define USBD_BOT_STATUS_ERROR 2U + + +#define USBD_DIR_IN 0U +#define USBD_DIR_OUT 1U +#define USBD_BOTH_DIR 2U + +/** + * @} + */ + +/** @defgroup MSC_CORE_Private_TypesDefinitions + * @{ + */ + +typedef struct +{ + uint32_t dSignature; + uint32_t dTag; + uint32_t dDataLength; + uint8_t bmFlags; + uint8_t bLUN; + uint8_t bCBLength; + uint8_t CB[16]; + uint8_t ReservedForAlign; +} USBD_MSC_BOT_CBWTypeDef; + + +typedef struct +{ + uint32_t dSignature; + uint32_t dTag; + uint32_t dDataResidue; + uint8_t bStatus; + uint8_t ReservedForAlign[3]; +} USBD_MSC_BOT_CSWTypeDef; + +/** + * @} + */ + + +/** @defgroup USBD_CORE_Exported_Types + * @{ + */ + +/** + * @} + */ +/** @defgroup USBD_CORE_Exported_FunctionsPrototypes + * @{ + */ +void MSC_BOT_Init(USBD_HandleTypeDef *pdev); +void MSC_BOT_Reset(USBD_HandleTypeDef *pdev); +void MSC_BOT_DeInit(USBD_HandleTypeDef *pdev); +void MSC_BOT_DataIn(USBD_HandleTypeDef *pdev, + uint8_t epnum); + +void MSC_BOT_DataOut(USBD_HandleTypeDef *pdev, + uint8_t epnum); + +void MSC_BOT_SendCSW(USBD_HandleTypeDef *pdev, + uint8_t CSW_Status); + +void MSC_BOT_CplClrFeature(USBD_HandleTypeDef *pdev, + uint8_t epnum); +/** + * @} + */ + +#ifdef __cplusplus +} +#endif + +#endif /* __USBD_MSC_BOT_H */ +/** + * @} + */ + +/** + * @} + */ + diff --git a/Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Inc/usbd_msc_data.h b/Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Inc/usbd_msc_data.h new file mode 100644 index 0000000..c96d2b8 --- /dev/null +++ b/Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Inc/usbd_msc_data.h @@ -0,0 +1,102 @@ +/** + ****************************************************************************** + * @file usbd_msc_data.h + * @author MCD Application Team + * @brief Header for the usbd_msc_data.c file + ****************************************************************************** + * @attention + * + * Copyright (c) 2015 STMicroelectronics. + * All rights reserved. + * + * This software is licensed under terms that can be found in the LICENSE file + * in the root directory of this software component. + * If no LICENSE file comes with this software, it is provided AS-IS. + * + ****************************************************************************** + */ + +/* Define to prevent recursive inclusion -------------------------------------*/ +#ifndef __USBD_MSC_DATA_H +#define __USBD_MSC_DATA_H + +#ifdef __cplusplus +extern "C" { +#endif + +/* Includes ------------------------------------------------------------------*/ +#include "usbd_conf.h" + +/** @addtogroup STM32_USB_DEVICE_LIBRARY + * @{ + */ + +/** @defgroup USB_INFO + * @brief general defines for the usb device library file + * @{ + */ + +/** @defgroup USB_INFO_Exported_Defines + * @{ + */ +#define MODE_SENSE6_LEN 0x04U +#define MODE_SENSE10_LEN 0x08U +#define LENGTH_INQUIRY_PAGE00 0x06U +#define LENGTH_INQUIRY_PAGE80 0x08U +#define LENGTH_FORMAT_CAPACITIES 0x14U + +/** + * @} + */ + + +/** @defgroup USBD_INFO_Exported_TypesDefinitions + * @{ + */ +/** + * @} + */ + + + +/** @defgroup USBD_INFO_Exported_Macros + * @{ + */ + +/** + * @} + */ + +/** @defgroup USBD_INFO_Exported_Variables + * @{ + */ +extern uint8_t MSC_Page00_Inquiry_Data[LENGTH_INQUIRY_PAGE00]; +extern uint8_t MSC_Page80_Inquiry_Data[LENGTH_INQUIRY_PAGE80]; +extern uint8_t MSC_Mode_Sense6_data[MODE_SENSE6_LEN]; +extern uint8_t MSC_Mode_Sense10_data[MODE_SENSE10_LEN]; + +/** + * @} + */ + +/** @defgroup USBD_INFO_Exported_FunctionsPrototype + * @{ + */ + +/** + * @} + */ + +#ifdef __cplusplus +} +#endif + +#endif /* __USBD_MSC_DATA_H */ + +/** + * @} + */ + +/** + * @} + */ diff --git a/Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Inc/usbd_msc_scsi.h b/Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Inc/usbd_msc_scsi.h new file mode 100644 index 0000000..477affb --- /dev/null +++ b/Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Inc/usbd_msc_scsi.h @@ -0,0 +1,182 @@ +/** + ****************************************************************************** + * @file usbd_msc_scsi.h + * @author MCD Application Team + * @brief Header for the usbd_msc_scsi.c file + ****************************************************************************** + * @attention + * + * Copyright (c) 2015 STMicroelectronics. + * All rights reserved. + * + * This software is licensed under terms that can be found in the LICENSE file + * in the root directory of this software component. + * If no LICENSE file comes with this software, it is provided AS-IS. + * + ****************************************************************************** + */ + +/* Define to prevent recursive inclusion -------------------------------------*/ +#ifndef __USBD_MSC_SCSI_H +#define __USBD_MSC_SCSI_H + +#ifdef __cplusplus +extern "C" { +#endif + +/* Includes ------------------------------------------------------------------*/ +#include "usbd_def.h" + +/** @addtogroup STM32_USB_DEVICE_LIBRARY + * @{ + */ + +/** @defgroup USBD_SCSI + * @brief header file for the storage disk file + * @{ + */ + +/** @defgroup USBD_SCSI_Exported_Defines + * @{ + */ + +#define SENSE_LIST_DEEPTH 4U + +/* SCSI Commands */ +#define SCSI_FORMAT_UNIT 0x04U +#define SCSI_INQUIRY 0x12U +#define SCSI_MODE_SELECT6 0x15U +#define SCSI_MODE_SELECT10 0x55U +#define SCSI_MODE_SENSE6 0x1AU +#define SCSI_MODE_SENSE10 0x5AU +#define SCSI_ALLOW_MEDIUM_REMOVAL 0x1EU +#define SCSI_READ6 0x08U +#define SCSI_READ10 0x28U +#define SCSI_READ12 0xA8U +#define SCSI_READ16 0x88U + +#define SCSI_READ_CAPACITY10 0x25U +#define SCSI_READ_CAPACITY16 0x9EU + +#define SCSI_REQUEST_SENSE 0x03U +#define SCSI_START_STOP_UNIT 0x1BU +#define SCSI_TEST_UNIT_READY 0x00U +#define SCSI_WRITE6 0x0AU +#define SCSI_WRITE10 0x2AU +#define SCSI_WRITE12 0xAAU +#define SCSI_WRITE16 0x8AU + +#define SCSI_VERIFY10 0x2FU +#define SCSI_VERIFY12 0xAFU +#define SCSI_VERIFY16 0x8FU + +#define SCSI_SEND_DIAGNOSTIC 0x1DU +#define SCSI_READ_FORMAT_CAPACITIES 0x23U + +#define NO_SENSE 0U +#define RECOVERED_ERROR 1U +#define NOT_READY 2U +#define MEDIUM_ERROR 3U +#define HARDWARE_ERROR 4U +#define ILLEGAL_REQUEST 5U +#define UNIT_ATTENTION 6U +#define DATA_PROTECT 7U +#define BLANK_CHECK 8U +#define MSC_VENDOR_SPECIFIC 9U +#define COPY_ABORTED 10U +#define ABORTED_COMMAND 11U +#define VOLUME_OVERFLOW 13U +#define MISCOMPARE 14U + + +#define INVALID_CDB 0x20U +#define INVALID_FIELED_IN_COMMAND 0x24U +#define PARAMETER_LIST_LENGTH_ERROR 0x1AU +#define INVALID_FIELD_IN_PARAMETER_LIST 0x26U +#define ADDRESS_OUT_OF_RANGE 0x21U +#define MEDIUM_NOT_PRESENT 0x3AU +#define MEDIUM_HAVE_CHANGED 0x28U +#define WRITE_PROTECTED 0x27U +#define UNRECOVERED_READ_ERROR 0x11U +#define WRITE_FAULT 0x03U + +#define READ_FORMAT_CAPACITY_DATA_LEN 0x0CU +#define READ_CAPACITY10_DATA_LEN 0x08U +#define REQUEST_SENSE_DATA_LEN 0x12U +#define STANDARD_INQUIRY_DATA_LEN 0x24U +#define BLKVFY 0x04U + +#define SCSI_MEDIUM_UNLOCKED 0x00U +#define SCSI_MEDIUM_LOCKED 0x01U +#define SCSI_MEDIUM_EJECTED 0x02U +/** + * @} + */ + + +/** @defgroup USBD_SCSI_Exported_TypesDefinitions + * @{ + */ + +typedef struct _SENSE_ITEM +{ + uint8_t Skey; + union + { + struct _ASCs + { + uint8_t ASC; + uint8_t ASCQ; + } b; + uint8_t ASC; + uint8_t *pData; + } w; +} USBD_SCSI_SenseTypeDef; +/** + * @} + */ + +/** @defgroup USBD_SCSI_Exported_Macros + * @{ + */ + +/** + * @} + */ + +/** @defgroup USBD_SCSI_Exported_Variables + * @{ + */ + +/** + * @} + */ +/** @defgroup USBD_SCSI_Exported_FunctionsPrototype + * @{ + */ +int8_t SCSI_ProcessCmd(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *cmd); + +void SCSI_SenseCode(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t sKey, + uint8_t ASC); + +/** + * @} + */ + +#ifdef __cplusplus +} +#endif + +#endif /* __USBD_MSC_SCSI_H */ +/** + * @} + */ + +/** + * @} + */ + +/** + * @} + */ + diff --git a/Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc.c b/Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc.c new file mode 100644 index 0000000..7f2152f --- /dev/null +++ b/Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc.c @@ -0,0 +1,579 @@ +/** + ****************************************************************************** + * @file usbd_msc.c + * @author MCD Application Team + * @brief This file provides all the MSC core functions. + * + ****************************************************************************** + * @attention + * + * Copyright (c) 2015 STMicroelectronics. + * All rights reserved. + * + * This software is licensed under terms that can be found in the LICENSE file + * in the root directory of this software component. + * If no LICENSE file comes with this software, it is provided AS-IS. + * + ****************************************************************************** + * @verbatim + * + * =================================================================== + * MSC Class Description + * =================================================================== + * This module manages the MSC class V1.0 following the "Universal + * Serial Bus Mass Storage Class (MSC) Bulk-Only Transport (BOT) Version 1.0 + * Sep. 31, 1999". + * This driver implements the following aspects of the specification: + * - Bulk-Only Transport protocol + * - Subclass : SCSI transparent command set (ref. SCSI Primary Commands - 3 (SPC-3)) + * + * @endverbatim + * + ****************************************************************************** + */ + +/* BSPDependencies +- "stm32xxxxx_{eval}{discovery}{nucleo_144}.c" +- "stm32xxxxx_{eval}{discovery}_io.c" +- "stm32xxxxx_{eval}{discovery}{adafruit}_sd.c" +EndBSPDependencies */ + +/* Includes ------------------------------------------------------------------*/ +#include "usbd_msc.h" + + +/** @addtogroup STM32_USB_DEVICE_LIBRARY + * @{ + */ + + +/** @defgroup MSC_CORE + * @brief Mass storage core module + * @{ + */ + +/** @defgroup MSC_CORE_Private_TypesDefinitions + * @{ + */ +/** + * @} + */ + + +/** @defgroup MSC_CORE_Private_Defines + * @{ + */ + +/** + * @} + */ + + +/** @defgroup MSC_CORE_Private_Macros + * @{ + */ +/** + * @} + */ + + +/** @defgroup MSC_CORE_Private_FunctionPrototypes + * @{ + */ +uint8_t USBD_MSC_Init(USBD_HandleTypeDef *pdev, uint8_t cfgidx); +uint8_t USBD_MSC_DeInit(USBD_HandleTypeDef *pdev, uint8_t cfgidx); +uint8_t USBD_MSC_Setup(USBD_HandleTypeDef *pdev, USBD_SetupReqTypedef *req); +uint8_t USBD_MSC_DataIn(USBD_HandleTypeDef *pdev, uint8_t epnum); +uint8_t USBD_MSC_DataOut(USBD_HandleTypeDef *pdev, uint8_t epnum); + +#ifndef USE_USBD_COMPOSITE +uint8_t *USBD_MSC_GetHSCfgDesc(uint16_t *length); +uint8_t *USBD_MSC_GetFSCfgDesc(uint16_t *length); +uint8_t *USBD_MSC_GetOtherSpeedCfgDesc(uint16_t *length); +uint8_t *USBD_MSC_GetDeviceQualifierDescriptor(uint16_t *length); +#endif /* USE_USBD_COMPOSITE */ +/** + * @} + */ + + +/** @defgroup MSC_CORE_Private_Variables + * @{ + */ + + +USBD_ClassTypeDef USBD_MSC = +{ + USBD_MSC_Init, + USBD_MSC_DeInit, + USBD_MSC_Setup, + NULL, /*EP0_TxSent*/ + NULL, /*EP0_RxReady*/ + USBD_MSC_DataIn, + USBD_MSC_DataOut, + NULL, /*SOF */ + NULL, + NULL, +#ifdef USE_USBD_COMPOSITE + NULL, + NULL, + NULL, + NULL, +#else + USBD_MSC_GetHSCfgDesc, + USBD_MSC_GetFSCfgDesc, + USBD_MSC_GetOtherSpeedCfgDesc, + USBD_MSC_GetDeviceQualifierDescriptor, +#endif /* USE_USBD_COMPOSITE */ +}; + +/* USB Mass storage device Configuration Descriptor */ +#ifndef USE_USBD_COMPOSITE +/* USB Mass storage device Configuration Descriptor */ +/* All Descriptors (Configuration, Interface, Endpoint, Class, Vendor */ +__ALIGN_BEGIN static uint8_t USBD_MSC_CfgDesc[USB_MSC_CONFIG_DESC_SIZ] __ALIGN_END = +{ + 0x09, /* bLength: Configuration Descriptor size */ + USB_DESC_TYPE_CONFIGURATION, /* bDescriptorType: Configuration */ + USB_MSC_CONFIG_DESC_SIZ, + + 0x00, + 0x01, /* bNumInterfaces: 1 interface */ + 0x01, /* bConfigurationValue */ + 0x04, /* iConfiguration */ +#if (USBD_SELF_POWERED == 1U) + 0xC0, /* bmAttributes: Bus Powered according to user configuration */ +#else + 0x80, /* bmAttributes: Bus Powered according to user configuration */ +#endif /* USBD_SELF_POWERED */ + USBD_MAX_POWER, /* MaxPower (mA) */ + + /******************** Mass Storage interface ********************/ + 0x09, /* bLength: Interface Descriptor size */ + 0x04, /* bDescriptorType: */ + 0x00, /* bInterfaceNumber: Number of Interface */ + 0x00, /* bAlternateSetting: Alternate setting */ + 0x02, /* bNumEndpoints */ + 0x08, /* bInterfaceClass: MSC Class */ + 0x06, /* bInterfaceSubClass : SCSI transparent*/ + 0x50, /* nInterfaceProtocol */ + 0x05, /* iInterface: */ + /******************** Mass Storage Endpoints ********************/ + 0x07, /* Endpoint descriptor length = 7 */ + 0x05, /* Endpoint descriptor type */ + MSC_EPIN_ADDR, /* Endpoint address (IN, address 1) */ + 0x02, /* Bulk endpoint type */ + LOBYTE(MSC_MAX_FS_PACKET), + HIBYTE(MSC_MAX_FS_PACKET), + 0x00, /* Polling interval in milliseconds */ + + 0x07, /* Endpoint descriptor length = 7 */ + 0x05, /* Endpoint descriptor type */ + MSC_EPOUT_ADDR, /* Endpoint address (OUT, address 1) */ + 0x02, /* Bulk endpoint type */ + LOBYTE(MSC_MAX_FS_PACKET), + HIBYTE(MSC_MAX_FS_PACKET), + 0x00 /* Polling interval in milliseconds */ +}; + +/* USB Standard Device Descriptor */ +__ALIGN_BEGIN static uint8_t USBD_MSC_DeviceQualifierDesc[USB_LEN_DEV_QUALIFIER_DESC] __ALIGN_END = +{ + USB_LEN_DEV_QUALIFIER_DESC, + USB_DESC_TYPE_DEVICE_QUALIFIER, + 0x00, + 0x02, + 0x00, + 0x00, + 0x00, + MSC_MAX_FS_PACKET, + 0x01, + 0x00, +}; +#endif /* USE_USBD_COMPOSITE */ + +uint8_t MSCInEpAdd = MSC_EPIN_ADDR; +uint8_t MSCOutEpAdd = MSC_EPOUT_ADDR; + +/** + * @} + */ + + +/** @defgroup MSC_CORE_Private_Functions + * @{ + */ + +/** + * @brief USBD_MSC_Init + * Initialize the mass storage configuration + * @param pdev: device instance + * @param cfgidx: configuration index + * @retval status + */ +uint8_t USBD_MSC_Init(USBD_HandleTypeDef *pdev, uint8_t cfgidx) +{ + UNUSED(cfgidx); + USBD_MSC_BOT_HandleTypeDef *hmsc; + + hmsc = (USBD_MSC_BOT_HandleTypeDef *)USBD_malloc(sizeof(USBD_MSC_BOT_HandleTypeDef)); + + if (hmsc == NULL) + { + pdev->pClassDataCmsit[pdev->classId] = NULL; + return (uint8_t)USBD_EMEM; + } + + pdev->pClassDataCmsit[pdev->classId] = (void *)hmsc; + pdev->pClassData = pdev->pClassDataCmsit[pdev->classId]; + +#ifdef USE_USBD_COMPOSITE + /* Get the Endpoints addresses allocated for this class instance */ + MSCInEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_IN, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId); + MSCOutEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_OUT, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId); +#endif /* USE_USBD_COMPOSITE */ + + if (pdev->dev_speed == USBD_SPEED_HIGH) + { + /* Open EP OUT */ + (void)USBD_LL_OpenEP(pdev, MSCOutEpAdd, USBD_EP_TYPE_BULK, MSC_MAX_HS_PACKET); + pdev->ep_out[MSCOutEpAdd & 0xFU].is_used = 1U; + + /* Open EP IN */ + (void)USBD_LL_OpenEP(pdev, MSCInEpAdd, USBD_EP_TYPE_BULK, MSC_MAX_HS_PACKET); + pdev->ep_in[MSCInEpAdd & 0xFU].is_used = 1U; + } + else + { + /* Open EP OUT */ + (void)USBD_LL_OpenEP(pdev, MSCOutEpAdd, USBD_EP_TYPE_BULK, MSC_MAX_FS_PACKET); + pdev->ep_out[MSCOutEpAdd & 0xFU].is_used = 1U; + + /* Open EP IN */ + (void)USBD_LL_OpenEP(pdev, MSCInEpAdd, USBD_EP_TYPE_BULK, MSC_MAX_FS_PACKET); + pdev->ep_in[MSCInEpAdd & 0xFU].is_used = 1U; + } + + /* Init the BOT layer */ + MSC_BOT_Init(pdev); + + return (uint8_t)USBD_OK; +} + +/** + * @brief USBD_MSC_DeInit + * DeInitialize the mass storage configuration + * @param pdev: device instance + * @param cfgidx: configuration index + * @retval status + */ +uint8_t USBD_MSC_DeInit(USBD_HandleTypeDef *pdev, uint8_t cfgidx) +{ + UNUSED(cfgidx); + +#ifdef USE_USBD_COMPOSITE + /* Get the Endpoints addresses allocated for this class instance */ + MSCInEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_IN, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId); + MSCOutEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_OUT, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId); +#endif /* USE_USBD_COMPOSITE */ + + /* Close MSC EPs */ + (void)USBD_LL_CloseEP(pdev, MSCOutEpAdd); + pdev->ep_out[MSCOutEpAdd & 0xFU].is_used = 0U; + + /* Close EP IN */ + (void)USBD_LL_CloseEP(pdev, MSCInEpAdd); + pdev->ep_in[MSCInEpAdd & 0xFU].is_used = 0U; + + /* Free MSC Class Resources */ + if (pdev->pClassDataCmsit[pdev->classId] != NULL) + { + /* De-Init the BOT layer */ + MSC_BOT_DeInit(pdev); + + (void)USBD_free(pdev->pClassDataCmsit[pdev->classId]); + pdev->pClassDataCmsit[pdev->classId] = NULL; + pdev->pClassData = NULL; + } + + return (uint8_t)USBD_OK; +} +/** + * @brief USBD_MSC_Setup + * Handle the MSC specific requests + * @param pdev: device instance + * @param req: USB request + * @retval status + */ +uint8_t USBD_MSC_Setup(USBD_HandleTypeDef *pdev, USBD_SetupReqTypedef *req) +{ + USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; + USBD_StatusTypeDef ret = USBD_OK; + uint16_t status_info = 0U; + +#ifdef USE_USBD_COMPOSITE + /* Get the Endpoints addresses allocated for this class instance */ + MSCInEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_IN, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId); + MSCOutEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_OUT, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId); +#endif /* USE_USBD_COMPOSITE */ + + if (hmsc == NULL) + { + return (uint8_t)USBD_FAIL; + } + + switch (req->bmRequest & USB_REQ_TYPE_MASK) + { + /* Class request */ + case USB_REQ_TYPE_CLASS: + switch (req->bRequest) + { + case BOT_GET_MAX_LUN: + if ((req->wValue == 0U) && (req->wLength == 1U) && + ((req->bmRequest & 0x80U) == 0x80U)) + { + hmsc->max_lun = (uint32_t)((USBD_StorageTypeDef *)pdev->pUserData[pdev->classId])->GetMaxLun(); + (void)USBD_CtlSendData(pdev, (uint8_t *)&hmsc->max_lun, 1U); + } + else + { + USBD_CtlError(pdev, req); + ret = USBD_FAIL; + } + break; + + case BOT_RESET : + if ((req->wValue == 0U) && (req->wLength == 0U) && + ((req->bmRequest & 0x80U) != 0x80U)) + { + MSC_BOT_Reset(pdev); + } + else + { + USBD_CtlError(pdev, req); + ret = USBD_FAIL; + } + break; + + default: + USBD_CtlError(pdev, req); + ret = USBD_FAIL; + break; + } + break; + /* Interface & Endpoint request */ + case USB_REQ_TYPE_STANDARD: + switch (req->bRequest) + { + case USB_REQ_GET_STATUS: + if (pdev->dev_state == USBD_STATE_CONFIGURED) + { + (void)USBD_CtlSendData(pdev, (uint8_t *)&status_info, 2U); + } + else + { + USBD_CtlError(pdev, req); + ret = USBD_FAIL; + } + break; + + case USB_REQ_GET_INTERFACE: + if (pdev->dev_state == USBD_STATE_CONFIGURED) + { + (void)USBD_CtlSendData(pdev, (uint8_t *)&hmsc->interface, 1U); + } + else + { + USBD_CtlError(pdev, req); + ret = USBD_FAIL; + } + break; + + case USB_REQ_SET_INTERFACE: + if (pdev->dev_state == USBD_STATE_CONFIGURED) + { + hmsc->interface = (uint8_t)(req->wValue); + } + else + { + USBD_CtlError(pdev, req); + ret = USBD_FAIL; + } + break; + + case USB_REQ_CLEAR_FEATURE: + if (pdev->dev_state == USBD_STATE_CONFIGURED) + { + if (req->wValue == USB_FEATURE_EP_HALT) + { + /* Flush the FIFO */ + (void)USBD_LL_FlushEP(pdev, (uint8_t)req->wIndex); + + /* Handle BOT error */ + MSC_BOT_CplClrFeature(pdev, (uint8_t)req->wIndex); + } + } + break; + + default: + USBD_CtlError(pdev, req); + ret = USBD_FAIL; + break; + } + break; + + default: + USBD_CtlError(pdev, req); + ret = USBD_FAIL; + break; + } + + return (uint8_t)ret; +} + +/** + * @brief USBD_MSC_DataIn + * handle data IN Stage + * @param pdev: device instance + * @param epnum: endpoint index + * @retval status + */ +uint8_t USBD_MSC_DataIn(USBD_HandleTypeDef *pdev, uint8_t epnum) +{ + MSC_BOT_DataIn(pdev, epnum); + + return (uint8_t)USBD_OK; +} + +/** + * @brief USBD_MSC_DataOut + * handle data OUT Stage + * @param pdev: device instance + * @param epnum: endpoint index + * @retval status + */ +uint8_t USBD_MSC_DataOut(USBD_HandleTypeDef *pdev, uint8_t epnum) +{ + MSC_BOT_DataOut(pdev, epnum); + + return (uint8_t)USBD_OK; +} +#ifndef USE_USBD_COMPOSITE +/** + * @brief USBD_MSC_GetHSCfgDesc + * return configuration descriptor + * @param length : pointer data length + * @retval pointer to descriptor buffer + */ +uint8_t *USBD_MSC_GetHSCfgDesc(uint16_t *length) +{ + USBD_EpDescTypeDef *pEpInDesc = USBD_GetEpDesc(USBD_MSC_CfgDesc, MSC_EPIN_ADDR); + USBD_EpDescTypeDef *pEpOutDesc = USBD_GetEpDesc(USBD_MSC_CfgDesc, MSC_EPOUT_ADDR); + + if (pEpInDesc != NULL) + { + pEpInDesc->wMaxPacketSize = MSC_MAX_HS_PACKET; + } + + if (pEpOutDesc != NULL) + { + pEpOutDesc->wMaxPacketSize = MSC_MAX_HS_PACKET; + } + + *length = (uint16_t)sizeof(USBD_MSC_CfgDesc); + return USBD_MSC_CfgDesc; +} + +/** + * @brief USBD_MSC_GetFSCfgDesc + * return configuration descriptor + * @param length : pointer data length + * @retval pointer to descriptor buffer + */ +uint8_t *USBD_MSC_GetFSCfgDesc(uint16_t *length) +{ + USBD_EpDescTypeDef *pEpInDesc = USBD_GetEpDesc(USBD_MSC_CfgDesc, MSC_EPIN_ADDR); + USBD_EpDescTypeDef *pEpOutDesc = USBD_GetEpDesc(USBD_MSC_CfgDesc, MSC_EPOUT_ADDR); + + if (pEpInDesc != NULL) + { + pEpInDesc->wMaxPacketSize = MSC_MAX_FS_PACKET; + } + + if (pEpOutDesc != NULL) + { + pEpOutDesc->wMaxPacketSize = MSC_MAX_FS_PACKET; + } + + *length = (uint16_t)sizeof(USBD_MSC_CfgDesc); + return USBD_MSC_CfgDesc; +} + +/** + * @brief USBD_MSC_GetOtherSpeedCfgDesc + * return other speed configuration descriptor + * @param length : pointer data length + * @retval pointer to descriptor buffer + */ +uint8_t *USBD_MSC_GetOtherSpeedCfgDesc(uint16_t *length) +{ + USBD_EpDescTypeDef *pEpInDesc = USBD_GetEpDesc(USBD_MSC_CfgDesc, MSC_EPIN_ADDR); + USBD_EpDescTypeDef *pEpOutDesc = USBD_GetEpDesc(USBD_MSC_CfgDesc, MSC_EPOUT_ADDR); + + if (pEpInDesc != NULL) + { + pEpInDesc->wMaxPacketSize = MSC_MAX_FS_PACKET; + } + + if (pEpOutDesc != NULL) + { + pEpOutDesc->wMaxPacketSize = MSC_MAX_FS_PACKET; + } + + *length = (uint16_t)sizeof(USBD_MSC_CfgDesc); + return USBD_MSC_CfgDesc; +} +/** + * @brief DeviceQualifierDescriptor + * return Device Qualifier descriptor + * @param length : pointer data length + * @retval pointer to descriptor buffer + */ +uint8_t *USBD_MSC_GetDeviceQualifierDescriptor(uint16_t *length) +{ + *length = (uint16_t)sizeof(USBD_MSC_DeviceQualifierDesc); + + return USBD_MSC_DeviceQualifierDesc; +} +#endif /* USE_USBD_COMPOSITE */ +/** + * @brief USBD_MSC_RegisterStorage + * @param fops: storage callback + * @retval status + */ +uint8_t USBD_MSC_RegisterStorage(USBD_HandleTypeDef *pdev, USBD_StorageTypeDef *fops) +{ + if (fops == NULL) + { + return (uint8_t)USBD_FAIL; + } + + pdev->pUserData[pdev->classId] = fops; + + return (uint8_t)USBD_OK; +} + +/** + * @} + */ + + +/** + * @} + */ + + +/** + * @} + */ + diff --git a/Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_bot.c b/Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_bot.c new file mode 100644 index 0000000..c51b013 --- /dev/null +++ b/Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_bot.c @@ -0,0 +1,478 @@ +/** + ****************************************************************************** + * @file usbd_msc_bot.c + * @author MCD Application Team + * @brief This file provides all the BOT protocol core functions. + ****************************************************************************** + * @attention + * + * Copyright (c) 2015 STMicroelectronics. + * All rights reserved. + * + * This software is licensed under terms that can be found in the LICENSE file + * in the root directory of this software component. + * If no LICENSE file comes with this software, it is provided AS-IS. + * + ****************************************************************************** + */ + +/* BSPDependencies +- "stm32xxxxx_{eval}{discovery}{nucleo_144}.c" +- "stm32xxxxx_{eval}{discovery}_io.c" +- "stm32xxxxx_{eval}{discovery}{adafruit}_sd.c" +EndBSPDependencies */ + +/* Includes ------------------------------------------------------------------*/ +#include "usbd_msc_bot.h" +#include "usbd_msc.h" +#include "usbd_msc_scsi.h" +#include "usbd_ioreq.h" + +/** @addtogroup STM32_USB_DEVICE_LIBRARY + * @{ + */ + + +/** @defgroup MSC_BOT + * @brief BOT protocol module + * @{ + */ + +/** @defgroup MSC_BOT_Private_TypesDefinitions + * @{ + */ +/** + * @} + */ + + +/** @defgroup MSC_BOT_Private_Defines + * @{ + */ + +/** + * @} + */ + + +/** @defgroup MSC_BOT_Private_Macros + * @{ + */ +/** + * @} + */ + + +/** @defgroup MSC_BOT_Private_Variables + * @{ + */ +extern uint8_t MSCInEpAdd; +extern uint8_t MSCOutEpAdd; +/** + * @} + */ + + +/** @defgroup MSC_BOT_Private_FunctionPrototypes + * @{ + */ +static void MSC_BOT_SendData(USBD_HandleTypeDef *pdev, uint8_t *pbuf, uint32_t len); +static void MSC_BOT_CBW_Decode(USBD_HandleTypeDef *pdev); +static void MSC_BOT_Abort(USBD_HandleTypeDef *pdev); +/** + * @} + */ + + +/** @defgroup MSC_BOT_Private_Functions + * @{ + */ + + +/** + * @brief MSC_BOT_Init + * Initialize the BOT Process + * @param pdev: device instance + * @retval None + */ +void MSC_BOT_Init(USBD_HandleTypeDef *pdev) +{ + USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; + +#ifdef USE_USBD_COMPOSITE + /* Get the Endpoints addresses allocated for this class instance */ + MSCInEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_IN, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId); + MSCOutEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_OUT, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId); +#endif /* USE_USBD_COMPOSITE */ + + if (hmsc == NULL) + { + return; + } + + hmsc->bot_state = USBD_BOT_IDLE; + hmsc->bot_status = USBD_BOT_STATUS_NORMAL; + + hmsc->scsi_sense_tail = 0U; + hmsc->scsi_sense_head = 0U; + hmsc->scsi_medium_state = SCSI_MEDIUM_UNLOCKED; + + ((USBD_StorageTypeDef *)pdev->pUserData[pdev->classId])->Init(0U); + + (void)USBD_LL_FlushEP(pdev, MSCOutEpAdd); + (void)USBD_LL_FlushEP(pdev, MSCInEpAdd); + + /* Prepare EP to Receive First BOT Cmd */ + (void)USBD_LL_PrepareReceive(pdev, MSCOutEpAdd, (uint8_t *)&hmsc->cbw, + USBD_BOT_CBW_LENGTH); +} + +/** + * @brief MSC_BOT_Reset + * Reset the BOT Machine + * @param pdev: device instance + * @retval None + */ +void MSC_BOT_Reset(USBD_HandleTypeDef *pdev) +{ + USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; + +#ifdef USE_USBD_COMPOSITE + /* Get the Endpoints addresses allocated for this class instance */ + MSCInEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_IN, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId); + MSCOutEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_OUT, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId); +#endif /* USE_USBD_COMPOSITE */ + + if (hmsc == NULL) + { + return; + } + + hmsc->bot_state = USBD_BOT_IDLE; + hmsc->bot_status = USBD_BOT_STATUS_RECOVERY; + + (void)USBD_LL_ClearStallEP(pdev, MSCInEpAdd); + (void)USBD_LL_ClearStallEP(pdev, MSCOutEpAdd); + + /* Prepare EP to Receive First BOT Cmd */ + (void)USBD_LL_PrepareReceive(pdev, MSCOutEpAdd, (uint8_t *)&hmsc->cbw, + USBD_BOT_CBW_LENGTH); +} + +/** + * @brief MSC_BOT_DeInit + * DeInitialize the BOT Machine + * @param pdev: device instance + * @retval None + */ +void MSC_BOT_DeInit(USBD_HandleTypeDef *pdev) +{ + USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; + + if (hmsc != NULL) + { + hmsc->bot_state = USBD_BOT_IDLE; + } +} + +/** + * @brief MSC_BOT_DataIn + * Handle BOT IN data stage + * @param pdev: device instance + * @param epnum: endpoint index + * @retval None + */ +void MSC_BOT_DataIn(USBD_HandleTypeDef *pdev, uint8_t epnum) +{ + UNUSED(epnum); + + USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; + + if (hmsc == NULL) + { + return; + } + + switch (hmsc->bot_state) + { + case USBD_BOT_DATA_IN: + if (SCSI_ProcessCmd(pdev, hmsc->cbw.bLUN, &hmsc->cbw.CB[0]) < 0) + { + MSC_BOT_SendCSW(pdev, USBD_CSW_CMD_FAILED); + } + break; + + case USBD_BOT_SEND_DATA: + case USBD_BOT_LAST_DATA_IN: + MSC_BOT_SendCSW(pdev, USBD_CSW_CMD_PASSED); + break; + + default: + break; + } +} +/** + * @brief MSC_BOT_DataOut + * Process MSC OUT data + * @param pdev: device instance + * @param epnum: endpoint index + * @retval None + */ +void MSC_BOT_DataOut(USBD_HandleTypeDef *pdev, uint8_t epnum) +{ + UNUSED(epnum); + + USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; + + if (hmsc == NULL) + { + return; + } + + switch (hmsc->bot_state) + { + case USBD_BOT_IDLE: + MSC_BOT_CBW_Decode(pdev); + break; + + case USBD_BOT_DATA_OUT: + if (SCSI_ProcessCmd(pdev, hmsc->cbw.bLUN, &hmsc->cbw.CB[0]) < 0) + { + MSC_BOT_SendCSW(pdev, USBD_CSW_CMD_FAILED); + } + break; + + default: + break; + } +} + +/** + * @brief MSC_BOT_CBW_Decode + * Decode the CBW command and set the BOT state machine accordingly + * @param pdev: device instance + * @retval None + */ +static void MSC_BOT_CBW_Decode(USBD_HandleTypeDef *pdev) +{ + USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; + +#ifdef USE_USBD_COMPOSITE + /* Get the Endpoints addresses allocated for this class instance */ + MSCInEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_IN, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId); + MSCOutEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_OUT, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId); +#endif /* USE_USBD_COMPOSITE */ + + if (hmsc == NULL) + { + return; + } + + hmsc->csw.dTag = hmsc->cbw.dTag; + hmsc->csw.dDataResidue = hmsc->cbw.dDataLength; + + if ((USBD_LL_GetRxDataSize(pdev, MSCOutEpAdd) != USBD_BOT_CBW_LENGTH) || + (hmsc->cbw.dSignature != USBD_BOT_CBW_SIGNATURE) || + (hmsc->cbw.bLUN > 1U) || (hmsc->cbw.bCBLength < 1U) || + (hmsc->cbw.bCBLength > 16U)) + { + SCSI_SenseCode(pdev, hmsc->cbw.bLUN, ILLEGAL_REQUEST, INVALID_CDB); + + hmsc->bot_status = USBD_BOT_STATUS_ERROR; + MSC_BOT_Abort(pdev); + } + else + { + if (SCSI_ProcessCmd(pdev, hmsc->cbw.bLUN, &hmsc->cbw.CB[0]) < 0) + { + if (hmsc->bot_state == USBD_BOT_NO_DATA) + { + MSC_BOT_SendCSW(pdev, USBD_CSW_CMD_FAILED); + } + else + { + MSC_BOT_Abort(pdev); + } + } + /* Burst xfer handled internally */ + else if ((hmsc->bot_state != USBD_BOT_DATA_IN) && + (hmsc->bot_state != USBD_BOT_DATA_OUT) && + (hmsc->bot_state != USBD_BOT_LAST_DATA_IN)) + { + if (hmsc->bot_data_length > 0U) + { + MSC_BOT_SendData(pdev, hmsc->bot_data, hmsc->bot_data_length); + } + else if (hmsc->bot_data_length == 0U) + { + MSC_BOT_SendCSW(pdev, USBD_CSW_CMD_PASSED); + } + else + { + MSC_BOT_Abort(pdev); + } + } + else + { + return; + } + } +} + +/** + * @brief MSC_BOT_SendData + * Send the requested data + * @param pdev: device instance + * @param buf: pointer to data buffer + * @param len: Data Length + * @retval None + */ +static void MSC_BOT_SendData(USBD_HandleTypeDef *pdev, uint8_t *pbuf, uint32_t len) +{ + USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; + + uint32_t length; + +#ifdef USE_USBD_COMPOSITE + /* Get the Endpoints addresses allocated for this class instance */ + MSCInEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_IN, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId); + MSCOutEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_OUT, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId); +#endif /* USE_USBD_COMPOSITE */ + + if (hmsc == NULL) + { + return; + } + + length = MIN(hmsc->cbw.dDataLength, len); + + hmsc->csw.dDataResidue -= len; + hmsc->csw.bStatus = USBD_CSW_CMD_PASSED; + hmsc->bot_state = USBD_BOT_SEND_DATA; + + (void)USBD_LL_Transmit(pdev, MSCInEpAdd, pbuf, length); +} + +/** + * @brief MSC_BOT_SendCSW + * Send the Command Status Wrapper + * @param pdev: device instance + * @param status : CSW status + * @retval None + */ +void MSC_BOT_SendCSW(USBD_HandleTypeDef *pdev, uint8_t CSW_Status) +{ + USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; + +#ifdef USE_USBD_COMPOSITE + /* Get the Endpoints addresses allocated for this class instance */ + MSCInEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_IN, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId); + MSCOutEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_OUT, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId); +#endif /* USE_USBD_COMPOSITE */ + + if (hmsc == NULL) + { + return; + } + + hmsc->csw.dSignature = USBD_BOT_CSW_SIGNATURE; + hmsc->csw.bStatus = CSW_Status; + hmsc->bot_state = USBD_BOT_IDLE; + + (void)USBD_LL_Transmit(pdev, MSCInEpAdd, (uint8_t *)&hmsc->csw, + USBD_BOT_CSW_LENGTH); + + /* Prepare EP to Receive next Cmd */ + (void)USBD_LL_PrepareReceive(pdev, MSCOutEpAdd, (uint8_t *)&hmsc->cbw, + USBD_BOT_CBW_LENGTH); +} + +/** + * @brief MSC_BOT_Abort + * Abort the current transfer + * @param pdev: device instance + * @retval status + */ + +static void MSC_BOT_Abort(USBD_HandleTypeDef *pdev) +{ + USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; + +#ifdef USE_USBD_COMPOSITE + /* Get the Endpoints addresses allocated for this class instance */ + MSCInEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_IN, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId); + MSCOutEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_OUT, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId); +#endif /* USE_USBD_COMPOSITE */ + + if (hmsc == NULL) + { + return; + } + + if ((hmsc->cbw.bmFlags == 0U) && + (hmsc->cbw.dDataLength != 0U) && + (hmsc->bot_status == USBD_BOT_STATUS_NORMAL)) + { + (void)USBD_LL_StallEP(pdev, MSCOutEpAdd); + } + + (void)USBD_LL_StallEP(pdev, MSCInEpAdd); + + if (hmsc->bot_status == USBD_BOT_STATUS_ERROR) + { + (void)USBD_LL_StallEP(pdev, MSCInEpAdd); + (void)USBD_LL_StallEP(pdev, MSCOutEpAdd); + } +} + +/** + * @brief MSC_BOT_CplClrFeature + * Complete the clear feature request + * @param pdev: device instance + * @param epnum: endpoint index + * @retval None + */ + +void MSC_BOT_CplClrFeature(USBD_HandleTypeDef *pdev, uint8_t epnum) +{ + USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; + +#ifdef USE_USBD_COMPOSITE + /* Get the Endpoints addresses allocated for this class instance */ + MSCInEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_IN, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId); + MSCOutEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_OUT, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId); +#endif /* USE_USBD_COMPOSITE */ + + if (hmsc == NULL) + { + return; + } + + if (hmsc->bot_status == USBD_BOT_STATUS_ERROR) /* Bad CBW Signature */ + { + (void)USBD_LL_StallEP(pdev, MSCInEpAdd); + (void)USBD_LL_StallEP(pdev, MSCOutEpAdd); + } + else if (((epnum & 0x80U) == 0x80U) && (hmsc->bot_status != USBD_BOT_STATUS_RECOVERY)) + { + MSC_BOT_SendCSW(pdev, USBD_CSW_CMD_FAILED); + } + else + { + return; + } +} +/** + * @} + */ + + +/** + * @} + */ + + +/** + * @} + */ + diff --git a/Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_data.c b/Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_data.c new file mode 100644 index 0000000..1641c20 --- /dev/null +++ b/Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_data.c @@ -0,0 +1,151 @@ +/** + ****************************************************************************** + * @file usbd_msc_data.c + * @author MCD Application Team + * @brief This file provides all the vital inquiry pages and sense data. + ****************************************************************************** + * @attention + * + * Copyright (c) 2015 STMicroelectronics. + * All rights reserved. + * + * This software is licensed under terms that can be found in the LICENSE file + * in the root directory of this software component. + * If no LICENSE file comes with this software, it is provided AS-IS. + * + ****************************************************************************** + */ + +/* BSPDependencies +- "stm32xxxxx_{eval}{discovery}{nucleo_144}.c" +- "stm32xxxxx_{eval}{discovery}_io.c" +- "stm32xxxxx_{eval}{discovery}{adafruit}_sd.c" +EndBSPDependencies */ + +/* Includes ------------------------------------------------------------------*/ +#include "usbd_msc_data.h" + + +/** @addtogroup STM32_USB_DEVICE_LIBRARY + * @{ + */ + + +/** @defgroup MSC_DATA + * @brief Mass storage info/data module + * @{ + */ + +/** @defgroup MSC_DATA_Private_TypesDefinitions + * @{ + */ +/** + * @} + */ + + +/** @defgroup MSC_DATA_Private_Defines + * @{ + */ +/** + * @} + */ + + +/** @defgroup MSC_DATA_Private_Macros + * @{ + */ +/** + * @} + */ + + +/** @defgroup MSC_DATA_Private_Variables + * @{ + */ + +/* USB Mass storage Page 0 Inquiry Data */ +uint8_t MSC_Page00_Inquiry_Data[LENGTH_INQUIRY_PAGE00] = +{ + 0x00, + 0x00, + 0x00, + (LENGTH_INQUIRY_PAGE00 - 4U), + 0x00, + 0x80 +}; + +/* USB Mass storage VPD Page 0x80 Inquiry Data for Unit Serial Number */ +uint8_t MSC_Page80_Inquiry_Data[LENGTH_INQUIRY_PAGE80] = +{ + 0x00, + 0x80, + 0x00, + LENGTH_INQUIRY_PAGE80, + 0x20, /* Put Product Serial number */ + 0x20, + 0x20, + 0x20 +}; + +/* USB Mass storage sense 6 Data */ +uint8_t MSC_Mode_Sense6_data[MODE_SENSE6_LEN] = +{ + 0x03, /* MODE DATA LENGTH. The number of bytes that follow. */ + 0x00, /* MEDIUM TYPE. 00h for SBC devices. */ + 0x00, /* DEVICE-SPECIFIC PARAMETER. For SBC devices: + * bit 7: WP. Set to 1 if the media is write-protected. + * bits 6..5: reserved + * bit 4: DPOFUA. Set to 1 if the device supports the DPO and FUA bits + * bits 3..0: reserved */ + 0x00 /* BLOCK DESCRIPTOR LENGTH */ +}; + + +/* USB Mass storage sense 10 Data */ +uint8_t MSC_Mode_Sense10_data[MODE_SENSE10_LEN] = +{ + 0x00, /* MODE DATA LENGTH MSB. */ + 0x06, /* MODE DATA LENGTH LSB. The number of bytes that follow. */ + 0x00, /* MEDIUM TYPE. 00h for SBC devices. */ + 0x00, /* DEVICE-SPECIFIC PARAMETER. For SBC devices: + * bit 7: WP. Set to 1 if the media is write-protected. + * bits 6..5: reserved + * bit 4: DPOFUA. Set to 1 if the device supports the DPO and FUA bits + * bits 3..0: reserved */ + 0x00, /* LONGLBA Set to zero */ + 0x00, /* Reserved */ + 0x00, /* BLOCK DESCRIPTOR LENGTH MSB. */ + 0x00 /* BLOCK DESCRIPTOR LENGTH LSB. */ +}; +/** + * @} + */ + + +/** @defgroup MSC_DATA_Private_FunctionPrototypes + * @{ + */ +/** + * @} + */ + + +/** @defgroup MSC_DATA_Private_Functions + * @{ + */ + +/** + * @} + */ + + +/** + * @} + */ + + +/** + * @} + */ + diff --git a/Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_scsi.c b/Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_scsi.c new file mode 100644 index 0000000..3c0fe2f --- /dev/null +++ b/Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_scsi.c @@ -0,0 +1,1218 @@ +/** + ****************************************************************************** + * @file usbd_msc_scsi.c + * @author MCD Application Team + * @brief This file provides all the USBD SCSI layer functions. + ****************************************************************************** + * @attention + * + * Copyright (c) 2015 STMicroelectronics. + * All rights reserved. + * + * This software is licensed under terms that can be found in the LICENSE file + * in the root directory of this software component. + * If no LICENSE file comes with this software, it is provided AS-IS. + * + ****************************************************************************** + */ + +/* BSPDependencies +- "stm32xxxxx_{eval}{discovery}{nucleo_144}.c" +- "stm32xxxxx_{eval}{discovery}_io.c" +- "stm32xxxxx_{eval}{discovery}{adafruit}_sd.c" +EndBSPDependencies */ + +/* Includes ------------------------------------------------------------------*/ +#include "usbd_msc_bot.h" +#include "usbd_msc_scsi.h" +#include "usbd_msc.h" +#include "usbd_msc_data.h" + + +/** @addtogroup STM32_USB_DEVICE_LIBRARY + * @{ + */ + + +/** @defgroup MSC_SCSI + * @brief Mass storage SCSI layer module + * @{ + */ + +/** @defgroup MSC_SCSI_Private_TypesDefinitions + * @{ + */ +/** + * @} + */ + + +/** @defgroup MSC_SCSI_Private_Defines + * @{ + */ + +/** + * @} + */ + + +/** @defgroup MSC_SCSI_Private_Macros + * @{ + */ +/** + * @} + */ + + +/** @defgroup MSC_SCSI_Private_Variables + * @{ + */ +extern uint8_t MSCInEpAdd; +extern uint8_t MSCOutEpAdd; +/** + * @} + */ + + +/** @defgroup MSC_SCSI_Private_FunctionPrototypes + * @{ + */ +static int8_t SCSI_TestUnitReady(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params); +static int8_t SCSI_Inquiry(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params); +static int8_t SCSI_ReadFormatCapacity(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params); +static int8_t SCSI_ReadCapacity10(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params); +static int8_t SCSI_ReadCapacity16(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params); +static int8_t SCSI_RequestSense(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params); +static int8_t SCSI_StartStopUnit(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params); +static int8_t SCSI_AllowPreventRemovable(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params); +static int8_t SCSI_ModeSense6(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params); +static int8_t SCSI_ModeSense10(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params); +static int8_t SCSI_Write10(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params); +static int8_t SCSI_Write12(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params); +static int8_t SCSI_Read10(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params); +static int8_t SCSI_Read12(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params); +static int8_t SCSI_Verify10(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params); +static int8_t SCSI_CheckAddressRange(USBD_HandleTypeDef *pdev, uint8_t lun, + uint32_t blk_offset, uint32_t blk_nbr); + +static int8_t SCSI_ProcessRead(USBD_HandleTypeDef *pdev, uint8_t lun); +static int8_t SCSI_ProcessWrite(USBD_HandleTypeDef *pdev, uint8_t lun); + +static int8_t SCSI_UpdateBotData(USBD_MSC_BOT_HandleTypeDef *hmsc, + uint8_t *pBuff, uint16_t length); +/** + * @} + */ + + +/** @defgroup MSC_SCSI_Private_Functions + * @{ + */ + + +/** + * @brief SCSI_ProcessCmd + * Process SCSI commands + * @param pdev: device instance + * @param lun: Logical unit number + * @param params: Command parameters + * @retval status + */ +int8_t SCSI_ProcessCmd(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *cmd) +{ + int8_t ret; + USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; + + if (hmsc == NULL) + { + return -1; + } + + switch (cmd[0]) + { + case SCSI_TEST_UNIT_READY: + ret = SCSI_TestUnitReady(pdev, lun, cmd); + break; + + case SCSI_REQUEST_SENSE: + ret = SCSI_RequestSense(pdev, lun, cmd); + break; + + case SCSI_INQUIRY: + ret = SCSI_Inquiry(pdev, lun, cmd); + break; + + case SCSI_START_STOP_UNIT: + ret = SCSI_StartStopUnit(pdev, lun, cmd); + break; + + case SCSI_ALLOW_MEDIUM_REMOVAL: + ret = SCSI_AllowPreventRemovable(pdev, lun, cmd); + break; + + case SCSI_MODE_SENSE6: + ret = SCSI_ModeSense6(pdev, lun, cmd); + break; + + case SCSI_MODE_SENSE10: + ret = SCSI_ModeSense10(pdev, lun, cmd); + break; + + case SCSI_READ_FORMAT_CAPACITIES: + ret = SCSI_ReadFormatCapacity(pdev, lun, cmd); + break; + + case SCSI_READ_CAPACITY10: + ret = SCSI_ReadCapacity10(pdev, lun, cmd); + break; + + case SCSI_READ_CAPACITY16: + ret = SCSI_ReadCapacity16(pdev, lun, cmd); + break; + + case SCSI_READ10: + ret = SCSI_Read10(pdev, lun, cmd); + break; + + case SCSI_READ12: + ret = SCSI_Read12(pdev, lun, cmd); + break; + + case SCSI_WRITE10: + ret = SCSI_Write10(pdev, lun, cmd); + break; + + case SCSI_WRITE12: + ret = SCSI_Write12(pdev, lun, cmd); + break; + + case SCSI_VERIFY10: + ret = SCSI_Verify10(pdev, lun, cmd); + break; + + default: + SCSI_SenseCode(pdev, lun, ILLEGAL_REQUEST, INVALID_CDB); + hmsc->bot_status = USBD_BOT_STATUS_ERROR; + ret = -1; + break; + } + + return ret; +} + + +/** + * @brief SCSI_TestUnitReady + * Process SCSI Test Unit Ready Command + * @param lun: Logical unit number + * @param params: Command parameters + * @retval status + */ +static int8_t SCSI_TestUnitReady(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params) +{ + UNUSED(params); + USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; + + if (hmsc == NULL) + { + return -1; + } + + /* case 9 : Hi > D0 */ + if (hmsc->cbw.dDataLength != 0U) + { + SCSI_SenseCode(pdev, hmsc->cbw.bLUN, ILLEGAL_REQUEST, INVALID_CDB); + + return -1; + } + + if (hmsc->scsi_medium_state == SCSI_MEDIUM_EJECTED) + { + SCSI_SenseCode(pdev, lun, NOT_READY, MEDIUM_NOT_PRESENT); + hmsc->bot_state = USBD_BOT_NO_DATA; + return -1; + } + + if (((USBD_StorageTypeDef *)pdev->pUserData[pdev->classId])->IsReady(lun) != 0) + { + SCSI_SenseCode(pdev, lun, NOT_READY, MEDIUM_NOT_PRESENT); + hmsc->bot_state = USBD_BOT_NO_DATA; + + return -1; + } + hmsc->bot_data_length = 0U; + + return 0; +} + + +/** + * @brief SCSI_Inquiry + * Process Inquiry command + * @param lun: Logical unit number + * @param params: Command parameters + * @retval status + */ +static int8_t SCSI_Inquiry(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params) +{ + uint8_t *pPage; + uint16_t len; + USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; + + if (hmsc == NULL) + { + return -1; + } + + if (hmsc->cbw.dDataLength == 0U) + { + SCSI_SenseCode(pdev, hmsc->cbw.bLUN, ILLEGAL_REQUEST, INVALID_CDB); + return -1; + } + + if ((params[1] & 0x01U) != 0U) /* Evpd is set */ + { + if (params[2] == 0U) /* Request for Supported Vital Product Data Pages*/ + { + (void)SCSI_UpdateBotData(hmsc, MSC_Page00_Inquiry_Data, LENGTH_INQUIRY_PAGE00); + } + else if (params[2] == 0x80U) /* Request for VPD page 0x80 Unit Serial Number */ + { + (void)SCSI_UpdateBotData(hmsc, MSC_Page80_Inquiry_Data, LENGTH_INQUIRY_PAGE80); + } + else /* Request Not supported */ + { + SCSI_SenseCode(pdev, hmsc->cbw.bLUN, ILLEGAL_REQUEST, + INVALID_FIELED_IN_COMMAND); + + return -1; + } + } + else + { + + pPage = (uint8_t *) & ((USBD_StorageTypeDef *)pdev->pUserData[pdev->classId]) \ + ->pInquiry[lun * STANDARD_INQUIRY_DATA_LEN]; + len = (uint16_t)pPage[4] + 5U; + + if (params[4] <= len) + { + len = params[4]; + } + + (void)SCSI_UpdateBotData(hmsc, pPage, len); + } + + return 0; +} + + +/** + * @brief SCSI_ReadCapacity10 + * Process Read Capacity 10 command + * @param lun: Logical unit number + * @param params: Command parameters + * @retval status + */ +static int8_t SCSI_ReadCapacity10(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params) +{ + UNUSED(params); + int8_t ret; + USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; + + if (hmsc == NULL) + { + return -1; + } + + ret = ((USBD_StorageTypeDef *)pdev->pUserData[pdev->classId])->GetCapacity(lun, &hmsc->scsi_blk_nbr, + &hmsc->scsi_blk_size); + + if ((ret != 0) || (hmsc->scsi_medium_state == SCSI_MEDIUM_EJECTED)) + { + SCSI_SenseCode(pdev, lun, NOT_READY, MEDIUM_NOT_PRESENT); + return -1; + } + + hmsc->bot_data[0] = (uint8_t)((hmsc->scsi_blk_nbr - 1U) >> 24); + hmsc->bot_data[1] = (uint8_t)((hmsc->scsi_blk_nbr - 1U) >> 16); + hmsc->bot_data[2] = (uint8_t)((hmsc->scsi_blk_nbr - 1U) >> 8); + hmsc->bot_data[3] = (uint8_t)(hmsc->scsi_blk_nbr - 1U); + + hmsc->bot_data[4] = (uint8_t)(hmsc->scsi_blk_size >> 24); + hmsc->bot_data[5] = (uint8_t)(hmsc->scsi_blk_size >> 16); + hmsc->bot_data[6] = (uint8_t)(hmsc->scsi_blk_size >> 8); + hmsc->bot_data[7] = (uint8_t)(hmsc->scsi_blk_size); + + hmsc->bot_data_length = 8U; + + return 0; + +} + + +/** + * @brief SCSI_ReadCapacity16 + * Process Read Capacity 16 command + * @param lun: Logical unit number + * @param params: Command parameters + * @retval status + */ +static int8_t SCSI_ReadCapacity16(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params) +{ + UNUSED(params); + uint32_t idx; + int8_t ret; + USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; + + if (hmsc == NULL) + { + return -1; + } + + ret = ((USBD_StorageTypeDef *)pdev->pUserData[pdev->classId])->GetCapacity(lun, &hmsc->scsi_blk_nbr, + &hmsc->scsi_blk_size); + + if ((ret != 0) || (hmsc->scsi_medium_state == SCSI_MEDIUM_EJECTED)) + { + SCSI_SenseCode(pdev, lun, NOT_READY, MEDIUM_NOT_PRESENT); + return -1; + } + + hmsc->bot_data_length = ((uint32_t)params[10] << 24) | + ((uint32_t)params[11] << 16) | + ((uint32_t)params[12] << 8) | + (uint32_t)params[13]; + + for (idx = 0U; idx < hmsc->bot_data_length; idx++) + { + hmsc->bot_data[idx] = 0U; + } + + hmsc->bot_data[4] = (uint8_t)((hmsc->scsi_blk_nbr - 1U) >> 24); + hmsc->bot_data[5] = (uint8_t)((hmsc->scsi_blk_nbr - 1U) >> 16); + hmsc->bot_data[6] = (uint8_t)((hmsc->scsi_blk_nbr - 1U) >> 8); + hmsc->bot_data[7] = (uint8_t)(hmsc->scsi_blk_nbr - 1U); + + hmsc->bot_data[8] = (uint8_t)(hmsc->scsi_blk_size >> 24); + hmsc->bot_data[9] = (uint8_t)(hmsc->scsi_blk_size >> 16); + hmsc->bot_data[10] = (uint8_t)(hmsc->scsi_blk_size >> 8); + hmsc->bot_data[11] = (uint8_t)(hmsc->scsi_blk_size); + + hmsc->bot_data_length = ((uint32_t)params[10] << 24) | + ((uint32_t)params[11] << 16) | + ((uint32_t)params[12] << 8) | + (uint32_t)params[13]; + + return 0; +} + + +/** + * @brief SCSI_ReadFormatCapacity + * Process Read Format Capacity command + * @param lun: Logical unit number + * @param params: Command parameters + * @retval status + */ +static int8_t SCSI_ReadFormatCapacity(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params) +{ + UNUSED(params); + uint16_t blk_size; + uint32_t blk_nbr; + uint16_t i; + int8_t ret; + USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; + + if (hmsc == NULL) + { + return -1; + } + + ret = ((USBD_StorageTypeDef *)pdev->pUserData[pdev->classId])->GetCapacity(lun, &blk_nbr, &blk_size); + + if ((ret != 0) || (hmsc->scsi_medium_state == SCSI_MEDIUM_EJECTED)) + { + SCSI_SenseCode(pdev, lun, NOT_READY, MEDIUM_NOT_PRESENT); + return -1; + } + + for (i = 0U; i < 12U ; i++) + { + hmsc->bot_data[i] = 0U; + } + + hmsc->bot_data[3] = 0x08U; + hmsc->bot_data[4] = (uint8_t)((blk_nbr - 1U) >> 24); + hmsc->bot_data[5] = (uint8_t)((blk_nbr - 1U) >> 16); + hmsc->bot_data[6] = (uint8_t)((blk_nbr - 1U) >> 8); + hmsc->bot_data[7] = (uint8_t)(blk_nbr - 1U); + + hmsc->bot_data[8] = 0x02U; + hmsc->bot_data[9] = (uint8_t)(blk_size >> 16); + hmsc->bot_data[10] = (uint8_t)(blk_size >> 8); + hmsc->bot_data[11] = (uint8_t)(blk_size); + + hmsc->bot_data_length = 12U; + + return 0; +} + + +/** + * @brief SCSI_ModeSense6 + * Process Mode Sense6 command + * @param lun: Logical unit number + * @param params: Command parameters + * @retval status + */ +static int8_t SCSI_ModeSense6(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params) +{ + UNUSED(lun); + USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; + uint16_t len = MODE_SENSE6_LEN; + + if (hmsc == NULL) + { + return -1; + } + + /* Check If media is write-protected */ + if (((USBD_StorageTypeDef *)pdev->pUserData[pdev->classId])->IsWriteProtected(lun) != 0) + { + MSC_Mode_Sense6_data[2] |= 0x80U; + } + + if (params[4] <= len) + { + len = params[4]; + } + + (void)SCSI_UpdateBotData(hmsc, MSC_Mode_Sense6_data, len); + + return 0; +} + + +/** + * @brief SCSI_ModeSense10 + * Process Mode Sense10 command + * @param lun: Logical unit number + * @param params: Command parameters + * @retval status + */ +static int8_t SCSI_ModeSense10(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params) +{ + UNUSED(lun); + USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; + uint16_t len = MODE_SENSE10_LEN; + + if (hmsc == NULL) + { + return -1; + } + + /* Check If media is write-protected */ + if (((USBD_StorageTypeDef *)pdev->pUserData[pdev->classId])->IsWriteProtected(lun) != 0) + { + MSC_Mode_Sense10_data[3] |= 0x80U; + } + + if (params[8] <= len) + { + len = params[8]; + } + + (void)SCSI_UpdateBotData(hmsc, MSC_Mode_Sense10_data, len); + + return 0; +} + + +/** + * @brief SCSI_RequestSense + * Process Request Sense command + * @param lun: Logical unit number + * @param params: Command parameters + * @retval status + */ +static int8_t SCSI_RequestSense(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params) +{ + UNUSED(lun); + uint8_t i; + USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; + + if (hmsc == NULL) + { + return -1; + } + + if (hmsc->cbw.dDataLength == 0U) + { + SCSI_SenseCode(pdev, hmsc->cbw.bLUN, ILLEGAL_REQUEST, INVALID_CDB); + return -1; + } + + for (i = 0U; i < REQUEST_SENSE_DATA_LEN; i++) + { + hmsc->bot_data[i] = 0U; + } + + hmsc->bot_data[0] = 0x70U; + hmsc->bot_data[7] = REQUEST_SENSE_DATA_LEN - 6U; + + if ((hmsc->scsi_sense_head != hmsc->scsi_sense_tail)) + { + hmsc->bot_data[2] = (uint8_t)hmsc->scsi_sense[hmsc->scsi_sense_head].Skey; + hmsc->bot_data[12] = (uint8_t)hmsc->scsi_sense[hmsc->scsi_sense_head].w.b.ASC; + hmsc->bot_data[13] = (uint8_t)hmsc->scsi_sense[hmsc->scsi_sense_head].w.b.ASCQ; + hmsc->scsi_sense_head++; + + if (hmsc->scsi_sense_head == SENSE_LIST_DEEPTH) + { + hmsc->scsi_sense_head = 0U; + } + } + + hmsc->bot_data_length = REQUEST_SENSE_DATA_LEN; + + if (params[4] <= REQUEST_SENSE_DATA_LEN) + { + hmsc->bot_data_length = params[4]; + } + + return 0; +} + + +/** + * @brief SCSI_SenseCode + * Load the last error code in the error list + * @param lun: Logical unit number + * @param sKey: Sense Key + * @param ASC: Additional Sense Code + * @retval none + + */ +void SCSI_SenseCode(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t sKey, uint8_t ASC) +{ + UNUSED(lun); + USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; + + if (hmsc == NULL) + { + return; + } + + hmsc->scsi_sense[hmsc->scsi_sense_tail].Skey = sKey; + hmsc->scsi_sense[hmsc->scsi_sense_tail].w.b.ASC = ASC; + hmsc->scsi_sense[hmsc->scsi_sense_tail].w.b.ASCQ = 0U; + hmsc->scsi_sense_tail++; + + if (hmsc->scsi_sense_tail == SENSE_LIST_DEEPTH) + { + hmsc->scsi_sense_tail = 0U; + } +} + + +/** + * @brief SCSI_StartStopUnit + * Process Start Stop Unit command + * @param lun: Logical unit number + * @param params: Command parameters + * @retval status + */ +static int8_t SCSI_StartStopUnit(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params) +{ + UNUSED(lun); + USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; + + if (hmsc == NULL) + { + return -1; + } + + if ((hmsc->scsi_medium_state == SCSI_MEDIUM_LOCKED) && ((params[4] & 0x3U) == 2U)) + { + SCSI_SenseCode(pdev, lun, ILLEGAL_REQUEST, INVALID_FIELED_IN_COMMAND); + + return -1; + } + + if ((params[4] & 0x3U) == 0x1U) /* START=1 */ + { + hmsc->scsi_medium_state = SCSI_MEDIUM_UNLOCKED; + } + else if ((params[4] & 0x3U) == 0x2U) /* START=0 and LOEJ Load Eject=1 */ + { + hmsc->scsi_medium_state = SCSI_MEDIUM_EJECTED; + } + else if ((params[4] & 0x3U) == 0x3U) /* START=1 and LOEJ Load Eject=1 */ + { + hmsc->scsi_medium_state = SCSI_MEDIUM_UNLOCKED; + } + else + { + /* .. */ + } + hmsc->bot_data_length = 0U; + + return 0; +} + + +/** + * @brief SCSI_AllowPreventRemovable + * Process Allow Prevent Removable medium command + * @param lun: Logical unit number + * @param params: Command parameters + * @retval status + */ +static int8_t SCSI_AllowPreventRemovable(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params) +{ + UNUSED(lun); + USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; + + if (hmsc == NULL) + { + return -1; + } + + if (params[4] == 0U) + { + hmsc->scsi_medium_state = SCSI_MEDIUM_UNLOCKED; + } + else + { + hmsc->scsi_medium_state = SCSI_MEDIUM_LOCKED; + } + + hmsc->bot_data_length = 0U; + + return 0; +} + + +/** + * @brief SCSI_Read10 + * Process Read10 command + * @param lun: Logical unit number + * @param params: Command parameters + * @retval status + */ +static int8_t SCSI_Read10(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params) +{ + USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; + + if (hmsc == NULL) + { + return -1; + } + + if (hmsc->bot_state == USBD_BOT_IDLE) /* Idle */ + { + /* case 10 : Ho <> Di */ + if ((hmsc->cbw.bmFlags & 0x80U) != 0x80U) + { + SCSI_SenseCode(pdev, hmsc->cbw.bLUN, ILLEGAL_REQUEST, INVALID_CDB); + return -1; + } + + if (hmsc->scsi_medium_state == SCSI_MEDIUM_EJECTED) + { + SCSI_SenseCode(pdev, lun, NOT_READY, MEDIUM_NOT_PRESENT); + + return -1; + } + + if (((USBD_StorageTypeDef *)pdev->pUserData[pdev->classId])->IsReady(lun) != 0) + { + SCSI_SenseCode(pdev, lun, NOT_READY, MEDIUM_NOT_PRESENT); + return -1; + } + + hmsc->scsi_blk_addr = ((uint32_t)params[2] << 24) | + ((uint32_t)params[3] << 16) | + ((uint32_t)params[4] << 8) | + (uint32_t)params[5]; + + hmsc->scsi_blk_len = ((uint32_t)params[7] << 8) | (uint32_t)params[8]; + + if (SCSI_CheckAddressRange(pdev, lun, hmsc->scsi_blk_addr, + hmsc->scsi_blk_len) < 0) + { + return -1; /* error */ + } + + /* cases 4,5 : Hi <> Dn */ + if (hmsc->cbw.dDataLength != (hmsc->scsi_blk_len * hmsc->scsi_blk_size)) + { + SCSI_SenseCode(pdev, hmsc->cbw.bLUN, ILLEGAL_REQUEST, INVALID_CDB); + return -1; + } + + hmsc->bot_state = USBD_BOT_DATA_IN; + } + hmsc->bot_data_length = MSC_MEDIA_PACKET; + + return SCSI_ProcessRead(pdev, lun); +} + + +/** + * @brief SCSI_Read12 + * Process Read12 command + * @param lun: Logical unit number + * @param params: Command parameters + * @retval status + */ +static int8_t SCSI_Read12(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params) +{ + USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; + + if (hmsc == NULL) + { + return -1; + } + + if (hmsc->bot_state == USBD_BOT_IDLE) /* Idle */ + { + /* case 10 : Ho <> Di */ + if ((hmsc->cbw.bmFlags & 0x80U) != 0x80U) + { + SCSI_SenseCode(pdev, hmsc->cbw.bLUN, ILLEGAL_REQUEST, INVALID_CDB); + return -1; + } + + if (hmsc->scsi_medium_state == SCSI_MEDIUM_EJECTED) + { + SCSI_SenseCode(pdev, lun, NOT_READY, MEDIUM_NOT_PRESENT); + return -1; + } + + if (((USBD_StorageTypeDef *)pdev->pUserData[pdev->classId])->IsReady(lun) != 0) + { + SCSI_SenseCode(pdev, lun, NOT_READY, MEDIUM_NOT_PRESENT); + return -1; + } + + hmsc->scsi_blk_addr = ((uint32_t)params[2] << 24) | + ((uint32_t)params[3] << 16) | + ((uint32_t)params[4] << 8) | + (uint32_t)params[5]; + + hmsc->scsi_blk_len = ((uint32_t)params[6] << 24) | + ((uint32_t)params[7] << 16) | + ((uint32_t)params[8] << 8) | + (uint32_t)params[9]; + + if (SCSI_CheckAddressRange(pdev, lun, hmsc->scsi_blk_addr, + hmsc->scsi_blk_len) < 0) + { + return -1; /* error */ + } + + /* cases 4,5 : Hi <> Dn */ + if (hmsc->cbw.dDataLength != (hmsc->scsi_blk_len * hmsc->scsi_blk_size)) + { + SCSI_SenseCode(pdev, hmsc->cbw.bLUN, ILLEGAL_REQUEST, INVALID_CDB); + return -1; + } + + hmsc->bot_state = USBD_BOT_DATA_IN; + } + hmsc->bot_data_length = MSC_MEDIA_PACKET; + + return SCSI_ProcessRead(pdev, lun); +} + + +/** + * @brief SCSI_Write10 + * Process Write10 command + * @param lun: Logical unit number + * @param params: Command parameters + * @retval status + */ +static int8_t SCSI_Write10(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params) +{ + USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; + uint32_t len; + + if (hmsc == NULL) + { + return -1; + } + +#ifdef USE_USBD_COMPOSITE + /* Get the Endpoints addresses allocated for this class instance */ + MSCOutEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_OUT, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId); +#endif /* USE_USBD_COMPOSITE */ + + if (hmsc->bot_state == USBD_BOT_IDLE) /* Idle */ + { + if (hmsc->cbw.dDataLength == 0U) + { + SCSI_SenseCode(pdev, hmsc->cbw.bLUN, ILLEGAL_REQUEST, INVALID_CDB); + return -1; + } + + /* case 8 : Hi <> Do */ + if ((hmsc->cbw.bmFlags & 0x80U) == 0x80U) + { + SCSI_SenseCode(pdev, hmsc->cbw.bLUN, ILLEGAL_REQUEST, INVALID_CDB); + return -1; + } + + /* Check whether Media is ready */ + if (((USBD_StorageTypeDef *)pdev->pUserData[pdev->classId])->IsReady(lun) != 0) + { + SCSI_SenseCode(pdev, lun, NOT_READY, MEDIUM_NOT_PRESENT); + return -1; + } + + /* Check If media is write-protected */ + if (((USBD_StorageTypeDef *)pdev->pUserData[pdev->classId])->IsWriteProtected(lun) != 0) + { + SCSI_SenseCode(pdev, lun, NOT_READY, WRITE_PROTECTED); + return -1; + } + + hmsc->scsi_blk_addr = ((uint32_t)params[2] << 24) | + ((uint32_t)params[3] << 16) | + ((uint32_t)params[4] << 8) | + (uint32_t)params[5]; + + hmsc->scsi_blk_len = ((uint32_t)params[7] << 8) | + (uint32_t)params[8]; + + /* check if LBA address is in the right range */ + if (SCSI_CheckAddressRange(pdev, lun, hmsc->scsi_blk_addr, + hmsc->scsi_blk_len) < 0) + { + return -1; /* error */ + } + + len = hmsc->scsi_blk_len * hmsc->scsi_blk_size; + + /* cases 3,11,13 : Hn,Ho <> D0 */ + if (hmsc->cbw.dDataLength != len) + { + SCSI_SenseCode(pdev, hmsc->cbw.bLUN, ILLEGAL_REQUEST, INVALID_CDB); + return -1; + } + + len = MIN(len, MSC_MEDIA_PACKET); + + /* Prepare EP to receive first data packet */ + hmsc->bot_state = USBD_BOT_DATA_OUT; + (void)USBD_LL_PrepareReceive(pdev, MSCOutEpAdd, hmsc->bot_data, len); + } + else /* Write Process ongoing */ + { + return SCSI_ProcessWrite(pdev, lun); + } + + return 0; +} + + +/** + * @brief SCSI_Write12 + * Process Write12 command + * @param lun: Logical unit number + * @param params: Command parameters + * @retval status + */ +static int8_t SCSI_Write12(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params) +{ + USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; + uint32_t len; + + if (hmsc == NULL) + { + return -1; + } +#ifdef USE_USBD_COMPOSITE + /* Get the Endpoints addresses allocated for this class instance */ + MSCOutEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_OUT, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId); +#endif /* USE_USBD_COMPOSITE */ + + if (hmsc->bot_state == USBD_BOT_IDLE) /* Idle */ + { + if (hmsc->cbw.dDataLength == 0U) + { + SCSI_SenseCode(pdev, hmsc->cbw.bLUN, ILLEGAL_REQUEST, INVALID_CDB); + return -1; + } + + /* case 8 : Hi <> Do */ + if ((hmsc->cbw.bmFlags & 0x80U) == 0x80U) + { + SCSI_SenseCode(pdev, hmsc->cbw.bLUN, ILLEGAL_REQUEST, INVALID_CDB); + return -1; + } + + /* Check whether Media is ready */ + if (((USBD_StorageTypeDef *)pdev->pUserData[pdev->classId])->IsReady(lun) != 0) + { + SCSI_SenseCode(pdev, lun, NOT_READY, MEDIUM_NOT_PRESENT); + hmsc->bot_state = USBD_BOT_NO_DATA; + return -1; + } + + /* Check If media is write-protected */ + if (((USBD_StorageTypeDef *)pdev->pUserData[pdev->classId])->IsWriteProtected(lun) != 0) + { + SCSI_SenseCode(pdev, lun, NOT_READY, WRITE_PROTECTED); + hmsc->bot_state = USBD_BOT_NO_DATA; + return -1; + } + + hmsc->scsi_blk_addr = ((uint32_t)params[2] << 24) | + ((uint32_t)params[3] << 16) | + ((uint32_t)params[4] << 8) | + (uint32_t)params[5]; + + hmsc->scsi_blk_len = ((uint32_t)params[6] << 24) | + ((uint32_t)params[7] << 16) | + ((uint32_t)params[8] << 8) | + (uint32_t)params[9]; + + /* check if LBA address is in the right range */ + if (SCSI_CheckAddressRange(pdev, lun, hmsc->scsi_blk_addr, + hmsc->scsi_blk_len) < 0) + { + return -1; /* error */ + } + + len = hmsc->scsi_blk_len * hmsc->scsi_blk_size; + + /* cases 3,11,13 : Hn,Ho <> D0 */ + if (hmsc->cbw.dDataLength != len) + { + SCSI_SenseCode(pdev, hmsc->cbw.bLUN, ILLEGAL_REQUEST, INVALID_CDB); + return -1; + } + + len = MIN(len, MSC_MEDIA_PACKET); + + /* Prepare EP to receive first data packet */ + hmsc->bot_state = USBD_BOT_DATA_OUT; + (void)USBD_LL_PrepareReceive(pdev, MSCOutEpAdd, hmsc->bot_data, len); + } + else /* Write Process ongoing */ + { + return SCSI_ProcessWrite(pdev, lun); + } + + return 0; +} + + +/** + * @brief SCSI_Verify10 + * Process Verify10 command + * @param lun: Logical unit number + * @param params: Command parameters + * @retval status + */ +static int8_t SCSI_Verify10(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params) +{ + USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; + + if (hmsc == NULL) + { + return -1; + } + + if ((params[1] & 0x02U) == 0x02U) + { + SCSI_SenseCode(pdev, lun, ILLEGAL_REQUEST, INVALID_FIELED_IN_COMMAND); + return -1; /* Error, Verify Mode Not supported*/ + } + + if (SCSI_CheckAddressRange(pdev, lun, hmsc->scsi_blk_addr, hmsc->scsi_blk_len) < 0) + { + return -1; /* error */ + } + + hmsc->bot_data_length = 0U; + + return 0; +} + +/** + * @brief SCSI_CheckAddressRange + * Check address range + * @param lun: Logical unit number + * @param blk_offset: first block address + * @param blk_nbr: number of block to be processed + * @retval status + */ +static int8_t SCSI_CheckAddressRange(USBD_HandleTypeDef *pdev, uint8_t lun, + uint32_t blk_offset, uint32_t blk_nbr) +{ + USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; + + if (hmsc == NULL) + { + return -1; + } + + if ((blk_offset + blk_nbr) > hmsc->scsi_blk_nbr) + { + SCSI_SenseCode(pdev, lun, ILLEGAL_REQUEST, ADDRESS_OUT_OF_RANGE); + return -1; + } + + return 0; +} + +/** + * @brief SCSI_ProcessRead + * Handle Read Process + * @param lun: Logical unit number + * @retval status + */ +static int8_t SCSI_ProcessRead(USBD_HandleTypeDef *pdev, uint8_t lun) +{ + USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; + uint32_t len; + + if (hmsc == NULL) + { + return -1; + } + + len = hmsc->scsi_blk_len * hmsc->scsi_blk_size; + +#ifdef USE_USBD_COMPOSITE + /* Get the Endpoints addresses allocated for this class instance */ + MSCInEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_IN, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId); +#endif /* USE_USBD_COMPOSITE */ + + len = MIN(len, MSC_MEDIA_PACKET); + + if (((USBD_StorageTypeDef *)pdev->pUserData[pdev->classId])->Read(lun, hmsc->bot_data, + hmsc->scsi_blk_addr, + (len / hmsc->scsi_blk_size)) < 0) + { + SCSI_SenseCode(pdev, lun, HARDWARE_ERROR, UNRECOVERED_READ_ERROR); + return -1; + } + + (void)USBD_LL_Transmit(pdev, MSCInEpAdd, hmsc->bot_data, len); + + hmsc->scsi_blk_addr += (len / hmsc->scsi_blk_size); + hmsc->scsi_blk_len -= (len / hmsc->scsi_blk_size); + + /* case 6 : Hi = Di */ + hmsc->csw.dDataResidue -= len; + + if (hmsc->scsi_blk_len == 0U) + { + hmsc->bot_state = USBD_BOT_LAST_DATA_IN; + } + + return 0; +} + +/** + * @brief SCSI_ProcessWrite + * Handle Write Process + * @param lun: Logical unit number + * @retval status + */ +static int8_t SCSI_ProcessWrite(USBD_HandleTypeDef *pdev, uint8_t lun) +{ + USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; + uint32_t len; + + if (hmsc == NULL) + { + return -1; + } + + len = hmsc->scsi_blk_len * hmsc->scsi_blk_size; + +#ifdef USE_USBD_COMPOSITE + /* Get the Endpoints addresses allocated for this class instance */ + MSCOutEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_OUT, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId); +#endif /* USE_USBD_COMPOSITE */ + + len = MIN(len, MSC_MEDIA_PACKET); + + if (((USBD_StorageTypeDef *)pdev->pUserData[pdev->classId])->Write(lun, hmsc->bot_data, + hmsc->scsi_blk_addr, + (len / hmsc->scsi_blk_size)) < 0) + { + SCSI_SenseCode(pdev, lun, HARDWARE_ERROR, WRITE_FAULT); + return -1; + } + + hmsc->scsi_blk_addr += (len / hmsc->scsi_blk_size); + hmsc->scsi_blk_len -= (len / hmsc->scsi_blk_size); + + /* case 12 : Ho = Do */ + hmsc->csw.dDataResidue -= len; + + if (hmsc->scsi_blk_len == 0U) + { + MSC_BOT_SendCSW(pdev, USBD_CSW_CMD_PASSED); + } + else + { + len = MIN((hmsc->scsi_blk_len * hmsc->scsi_blk_size), MSC_MEDIA_PACKET); + + /* Prepare EP to Receive next packet */ + (void)USBD_LL_PrepareReceive(pdev, MSCOutEpAdd, hmsc->bot_data, len); + } + + return 0; +} + + +/** + * @brief SCSI_UpdateBotData + * fill the requested Data to transmit buffer + * @param hmsc handler + * @param pBuff: Data buffer + * @param length: Data length + * @retval status + */ +static int8_t SCSI_UpdateBotData(USBD_MSC_BOT_HandleTypeDef *hmsc, + uint8_t *pBuff, uint16_t length) +{ + uint16_t len = length; + + if (hmsc == NULL) + { + return -1; + } + + hmsc->bot_data_length = len; + + while (len != 0U) + { + len--; + hmsc->bot_data[len] = pBuff[len]; + } + + return 0; +} +/** + * @} + */ + + +/** + * @} + */ + + +/** + * @} + */ + diff --git a/Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Core/Inc/usbd_core.h b/Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Core/Inc/usbd_core.h new file mode 100644 index 0000000..4672921 --- /dev/null +++ b/Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Core/Inc/usbd_core.h @@ -0,0 +1,175 @@ +/** + ****************************************************************************** + * @file usbd_core.h + * @author MCD Application Team + * @brief Header file for usbd_core.c file + ****************************************************************************** + * @attention + * + * Copyright (c) 2015 STMicroelectronics. + * All rights reserved. + * + * This software is licensed under terms that can be found in the LICENSE file + * in the root directory of this software component. + * If no LICENSE file comes with this software, it is provided AS-IS. + * + ****************************************************************************** + */ + +/* Define to prevent recursive inclusion -------------------------------------*/ +#ifndef __USBD_CORE_H +#define __USBD_CORE_H + +#ifdef __cplusplus +extern "C" { +#endif + +/* Includes ------------------------------------------------------------------*/ +#include "usbd_conf.h" +#include "usbd_def.h" +#include "usbd_ioreq.h" +#include "usbd_ctlreq.h" + +/** @addtogroup STM32_USB_DEVICE_LIBRARY + * @{ + */ + +/** @defgroup USBD_CORE + * @brief This file is the Header file for usbd_core.c file + * @{ + */ + + +/** @defgroup USBD_CORE_Exported_Defines + * @{ + */ +#ifndef USBD_DEBUG_LEVEL +#define USBD_DEBUG_LEVEL 0U +#endif /* USBD_DEBUG_LEVEL */ +/** + * @} + */ + + +/** @defgroup USBD_CORE_Exported_TypesDefinitions + * @{ + */ + + +/** + * @} + */ + + + +/** @defgroup USBD_CORE_Exported_Macros + * @{ + */ + +/** + * @} + */ + +/** @defgroup USBD_CORE_Exported_Variables + * @{ + */ +#define USBD_SOF USBD_LL_SOF +/** + * @} + */ + +/** @defgroup USBD_CORE_Exported_FunctionsPrototype + * @{ + */ +USBD_StatusTypeDef USBD_Init(USBD_HandleTypeDef *pdev, USBD_DescriptorsTypeDef *pdesc, uint8_t id); +USBD_StatusTypeDef USBD_DeInit(USBD_HandleTypeDef *pdev); +USBD_StatusTypeDef USBD_Start(USBD_HandleTypeDef *pdev); +USBD_StatusTypeDef USBD_Stop(USBD_HandleTypeDef *pdev); +USBD_StatusTypeDef USBD_RegisterClass(USBD_HandleTypeDef *pdev, USBD_ClassTypeDef *pclass); +#if (USBD_USER_REGISTER_CALLBACK == 1U) +USBD_StatusTypeDef USBD_RegisterDevStateCallback(USBD_HandleTypeDef *pdev, USBD_DevStateCallbackTypeDef pUserCallback); +#endif /* USBD_USER_REGISTER_CALLBACK */ + +#ifdef USE_USBD_COMPOSITE +USBD_StatusTypeDef USBD_RegisterClassComposite(USBD_HandleTypeDef *pdev, USBD_ClassTypeDef *pclass, + USBD_CompositeClassTypeDef classtype, uint8_t *EpAddr); + +USBD_StatusTypeDef USBD_UnRegisterClassComposite(USBD_HandleTypeDef *pdev); +uint8_t USBD_CoreGetEPAdd(USBD_HandleTypeDef *pdev, uint8_t ep_dir, uint8_t ep_type, uint8_t ClassId); +#endif /* USE_USBD_COMPOSITE */ + +uint8_t USBD_CoreFindIF(USBD_HandleTypeDef *pdev, uint8_t index); +uint8_t USBD_CoreFindEP(USBD_HandleTypeDef *pdev, uint8_t index); + +USBD_StatusTypeDef USBD_RunTestMode(USBD_HandleTypeDef *pdev); +USBD_StatusTypeDef USBD_SetClassConfig(USBD_HandleTypeDef *pdev, uint8_t cfgidx); +USBD_StatusTypeDef USBD_ClrClassConfig(USBD_HandleTypeDef *pdev, uint8_t cfgidx); + +USBD_StatusTypeDef USBD_LL_SetupStage(USBD_HandleTypeDef *pdev, uint8_t *psetup); +USBD_StatusTypeDef USBD_LL_DataOutStage(USBD_HandleTypeDef *pdev, uint8_t epnum, uint8_t *pdata); +USBD_StatusTypeDef USBD_LL_DataInStage(USBD_HandleTypeDef *pdev, uint8_t epnum, uint8_t *pdata); + +USBD_StatusTypeDef USBD_LL_Reset(USBD_HandleTypeDef *pdev); +USBD_StatusTypeDef USBD_LL_SetSpeed(USBD_HandleTypeDef *pdev, USBD_SpeedTypeDef speed); +USBD_StatusTypeDef USBD_LL_Suspend(USBD_HandleTypeDef *pdev); +USBD_StatusTypeDef USBD_LL_Resume(USBD_HandleTypeDef *pdev); + +USBD_StatusTypeDef USBD_LL_SOF(USBD_HandleTypeDef *pdev); +USBD_StatusTypeDef USBD_LL_IsoINIncomplete(USBD_HandleTypeDef *pdev, uint8_t epnum); +USBD_StatusTypeDef USBD_LL_IsoOUTIncomplete(USBD_HandleTypeDef *pdev, uint8_t epnum); + +USBD_StatusTypeDef USBD_LL_DevConnected(USBD_HandleTypeDef *pdev); +USBD_StatusTypeDef USBD_LL_DevDisconnected(USBD_HandleTypeDef *pdev); + +/* USBD Low Level Driver */ +USBD_StatusTypeDef USBD_LL_Init(USBD_HandleTypeDef *pdev); +USBD_StatusTypeDef USBD_LL_DeInit(USBD_HandleTypeDef *pdev); +USBD_StatusTypeDef USBD_LL_Start(USBD_HandleTypeDef *pdev); +USBD_StatusTypeDef USBD_LL_Stop(USBD_HandleTypeDef *pdev); + +USBD_StatusTypeDef USBD_LL_OpenEP(USBD_HandleTypeDef *pdev, uint8_t ep_addr, + uint8_t ep_type, uint16_t ep_mps); + +USBD_StatusTypeDef USBD_LL_CloseEP(USBD_HandleTypeDef *pdev, uint8_t ep_addr); +USBD_StatusTypeDef USBD_LL_FlushEP(USBD_HandleTypeDef *pdev, uint8_t ep_addr); +USBD_StatusTypeDef USBD_LL_StallEP(USBD_HandleTypeDef *pdev, uint8_t ep_addr); +USBD_StatusTypeDef USBD_LL_ClearStallEP(USBD_HandleTypeDef *pdev, uint8_t ep_addr); +USBD_StatusTypeDef USBD_LL_SetUSBAddress(USBD_HandleTypeDef *pdev, uint8_t dev_addr); + +USBD_StatusTypeDef USBD_LL_Transmit(USBD_HandleTypeDef *pdev, uint8_t ep_addr, + uint8_t *pbuf, uint32_t size); + +USBD_StatusTypeDef USBD_LL_PrepareReceive(USBD_HandleTypeDef *pdev, uint8_t ep_addr, + uint8_t *pbuf, uint32_t size); + +#ifdef USBD_HS_TESTMODE_ENABLE +USBD_StatusTypeDef USBD_LL_SetTestMode(USBD_HandleTypeDef *pdev, uint8_t testmode); +#endif /* USBD_HS_TESTMODE_ENABLE */ + +uint8_t USBD_LL_IsStallEP(USBD_HandleTypeDef *pdev, uint8_t ep_addr); +uint32_t USBD_LL_GetRxDataSize(USBD_HandleTypeDef *pdev, uint8_t ep_addr); + +void USBD_LL_Delay(uint32_t Delay); + +void *USBD_GetEpDesc(uint8_t *pConfDesc, uint8_t EpAddr); +USBD_DescHeaderTypeDef *USBD_GetNextDesc(uint8_t *pbuf, uint16_t *ptr); + +/** + * @} + */ + +#ifdef __cplusplus +} +#endif + +#endif /* __USBD_CORE_H */ + +/** + * @} + */ + +/** + * @} + */ + + diff --git a/Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Core/Inc/usbd_ctlreq.h b/Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Core/Inc/usbd_ctlreq.h new file mode 100644 index 0000000..6c45d6c --- /dev/null +++ b/Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Core/Inc/usbd_ctlreq.h @@ -0,0 +1,101 @@ +/** + ****************************************************************************** + * @file usbd_req.h + * @author MCD Application Team + * @brief Header file for the usbd_req.c file + ****************************************************************************** + * @attention + * + * Copyright (c) 2015 STMicroelectronics. + * All rights reserved. + * + * This software is licensed under terms that can be found in the LICENSE file + * in the root directory of this software component. + * If no LICENSE file comes with this software, it is provided AS-IS. + * + ****************************************************************************** + */ + +/* Define to prevent recursive inclusion -------------------------------------*/ +#ifndef __USB_REQUEST_H +#define __USB_REQUEST_H + +#ifdef __cplusplus +extern "C" { +#endif + +/* Includes ------------------------------------------------------------------*/ +#include "usbd_def.h" + + +/** @addtogroup STM32_USB_DEVICE_LIBRARY + * @{ + */ + +/** @defgroup USBD_REQ + * @brief header file for the usbd_req.c file + * @{ + */ + +/** @defgroup USBD_REQ_Exported_Defines + * @{ + */ +/** + * @} + */ + + +/** @defgroup USBD_REQ_Exported_Types + * @{ + */ +/** + * @} + */ + + + +/** @defgroup USBD_REQ_Exported_Macros + * @{ + */ +/** + * @} + */ + +/** @defgroup USBD_REQ_Exported_Variables + * @{ + */ +/** + * @} + */ + +/** @defgroup USBD_REQ_Exported_FunctionsPrototype + * @{ + */ + +USBD_StatusTypeDef USBD_StdDevReq(USBD_HandleTypeDef *pdev, USBD_SetupReqTypedef *req); +USBD_StatusTypeDef USBD_StdItfReq(USBD_HandleTypeDef *pdev, USBD_SetupReqTypedef *req); +USBD_StatusTypeDef USBD_StdEPReq(USBD_HandleTypeDef *pdev, USBD_SetupReqTypedef *req); + +void USBD_CtlError(USBD_HandleTypeDef *pdev, USBD_SetupReqTypedef *req); +void USBD_ParseSetupRequest(USBD_SetupReqTypedef *req, uint8_t *pdata); +void USBD_GetString(uint8_t *desc, uint8_t *unicode, uint16_t *len); + +/** + * @} + */ + +#ifdef __cplusplus +} +#endif + +#endif /* __USB_REQUEST_H */ + +/** + * @} + */ + +/** + * @} + */ + + diff --git a/Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Core/Inc/usbd_def.h b/Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Core/Inc/usbd_def.h new file mode 100644 index 0000000..2a295d7 --- /dev/null +++ b/Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Core/Inc/usbd_def.h @@ -0,0 +1,523 @@ +/** + ****************************************************************************** + * @file usbd_def.h + * @author MCD Application Team + * @brief General defines for the usb device library + ****************************************************************************** + * @attention + * + * Copyright (c) 2015 STMicroelectronics. + * All rights reserved. + * + * This software is licensed under terms that can be found in the LICENSE file + * in the root directory of this software component. + * If no LICENSE file comes with this software, it is provided AS-IS. + * + ****************************************************************************** + */ + +/* Define to prevent recursive inclusion -------------------------------------*/ +#ifndef __USBD_DEF_H +#define __USBD_DEF_H + +#ifdef __cplusplus +extern "C" { +#endif + +/* Includes ------------------------------------------------------------------*/ +#include "usbd_conf.h" + +/** @addtogroup STM32_USBD_DEVICE_LIBRARY + * @{ + */ + +/** @defgroup USB_DEF + * @brief general defines for the usb device library file + * @{ + */ + +/** @defgroup USB_DEF_Exported_Defines + * @{ + */ + +#ifndef NULL +#define NULL 0U +#endif /* NULL */ + +#ifndef USBD_MAX_NUM_INTERFACES +#define USBD_MAX_NUM_INTERFACES 1U +#endif /* USBD_MAX_NUM_CONFIGURATION */ + +#ifndef USBD_MAX_NUM_CONFIGURATION +#define USBD_MAX_NUM_CONFIGURATION 1U +#endif /* USBD_MAX_NUM_CONFIGURATION */ + +#ifdef USE_USBD_COMPOSITE +#ifndef USBD_MAX_SUPPORTED_CLASS +#define USBD_MAX_SUPPORTED_CLASS 4U +#endif /* USBD_MAX_SUPPORTED_CLASS */ +#else +#ifndef USBD_MAX_SUPPORTED_CLASS +#define USBD_MAX_SUPPORTED_CLASS 1U +#endif /* USBD_MAX_SUPPORTED_CLASS */ +#endif /* USE_USBD_COMPOSITE */ + +#ifndef USBD_MAX_CLASS_ENDPOINTS +#define USBD_MAX_CLASS_ENDPOINTS 5U +#endif /* USBD_MAX_CLASS_ENDPOINTS */ + +#ifndef USBD_MAX_CLASS_INTERFACES +#define USBD_MAX_CLASS_INTERFACES 5U +#endif /* USBD_MAX_CLASS_INTERFACES */ + +#ifndef USBD_LPM_ENABLED +#define USBD_LPM_ENABLED 0U +#endif /* USBD_LPM_ENABLED */ + +#ifndef USBD_SELF_POWERED +#define USBD_SELF_POWERED 1U +#endif /*USBD_SELF_POWERED */ + +#ifndef USBD_MAX_POWER +#define USBD_MAX_POWER 0x32U /* 100 mA */ +#endif /* USBD_MAX_POWER */ + +#ifndef USBD_SUPPORT_USER_STRING_DESC +#define USBD_SUPPORT_USER_STRING_DESC 0U +#endif /* USBD_SUPPORT_USER_STRING_DESC */ + +#ifndef USBD_CLASS_USER_STRING_DESC +#define USBD_CLASS_USER_STRING_DESC 0U +#endif /* USBD_CLASS_USER_STRING_DESC */ + +#define USB_LEN_DEV_QUALIFIER_DESC 0x0AU +#define USB_LEN_DEV_DESC 0x12U +#define USB_LEN_CFG_DESC 0x09U +#define USB_LEN_IF_DESC 0x09U +#define USB_LEN_EP_DESC 0x07U +#define USB_LEN_OTG_DESC 0x03U +#define USB_LEN_LANGID_STR_DESC 0x04U +#define USB_LEN_OTHER_SPEED_DESC_SIZ 0x09U + +#define USBD_IDX_LANGID_STR 0x00U +#define USBD_IDX_MFC_STR 0x01U +#define USBD_IDX_PRODUCT_STR 0x02U +#define USBD_IDX_SERIAL_STR 0x03U +#define USBD_IDX_CONFIG_STR 0x04U +#define USBD_IDX_INTERFACE_STR 0x05U + +#define USB_REQ_TYPE_STANDARD 0x00U +#define USB_REQ_TYPE_CLASS 0x20U +#define USB_REQ_TYPE_VENDOR 0x40U +#define USB_REQ_TYPE_MASK 0x60U + +#define USB_REQ_RECIPIENT_DEVICE 0x00U +#define USB_REQ_RECIPIENT_INTERFACE 0x01U +#define USB_REQ_RECIPIENT_ENDPOINT 0x02U +#define USB_REQ_RECIPIENT_MASK 0x03U + +#define USB_REQ_GET_STATUS 0x00U +#define USB_REQ_CLEAR_FEATURE 0x01U +#define USB_REQ_SET_FEATURE 0x03U +#define USB_REQ_SET_ADDRESS 0x05U +#define USB_REQ_GET_DESCRIPTOR 0x06U +#define USB_REQ_SET_DESCRIPTOR 0x07U +#define USB_REQ_GET_CONFIGURATION 0x08U +#define USB_REQ_SET_CONFIGURATION 0x09U +#define USB_REQ_GET_INTERFACE 0x0AU +#define USB_REQ_SET_INTERFACE 0x0BU +#define USB_REQ_SYNCH_FRAME 0x0CU + +#define USB_DESC_TYPE_DEVICE 0x01U +#define USB_DESC_TYPE_CONFIGURATION 0x02U +#define USB_DESC_TYPE_STRING 0x03U +#define USB_DESC_TYPE_INTERFACE 0x04U +#define USB_DESC_TYPE_ENDPOINT 0x05U +#define USB_DESC_TYPE_DEVICE_QUALIFIER 0x06U +#define USB_DESC_TYPE_OTHER_SPEED_CONFIGURATION 0x07U +#define USB_DESC_TYPE_IAD 0x0BU +#define USB_DESC_TYPE_BOS 0x0FU + +#define USB_CONFIG_REMOTE_WAKEUP 0x02U +#define USB_CONFIG_SELF_POWERED 0x01U + +#define USB_FEATURE_EP_HALT 0x00U +#define USB_FEATURE_REMOTE_WAKEUP 0x01U +#define USB_FEATURE_TEST_MODE 0x02U + +#define USB_DEVICE_CAPABITY_TYPE 0x10U + +#define USB_CONF_DESC_SIZE 0x09U +#define USB_IF_DESC_SIZE 0x09U +#define USB_EP_DESC_SIZE 0x07U +#define USB_IAD_DESC_SIZE 0x08U + +#define USB_HS_MAX_PACKET_SIZE 512U +#define USB_FS_MAX_PACKET_SIZE 64U +#define USB_MAX_EP0_SIZE 64U + +/* Device Status */ +#define USBD_STATE_DEFAULT 0x01U +#define USBD_STATE_ADDRESSED 0x02U +#define USBD_STATE_CONFIGURED 0x03U +#define USBD_STATE_SUSPENDED 0x04U + + +/* EP0 State */ +#define USBD_EP0_IDLE 0x00U +#define USBD_EP0_SETUP 0x01U +#define USBD_EP0_DATA_IN 0x02U +#define USBD_EP0_DATA_OUT 0x03U +#define USBD_EP0_STATUS_IN 0x04U +#define USBD_EP0_STATUS_OUT 0x05U +#define USBD_EP0_STALL 0x06U + +#define USBD_EP_TYPE_CTRL 0x00U +#define USBD_EP_TYPE_ISOC 0x01U +#define USBD_EP_TYPE_BULK 0x02U +#define USBD_EP_TYPE_INTR 0x03U + +#ifdef USE_USBD_COMPOSITE +#define USBD_EP_IN 0x80U +#define USBD_EP_OUT 0x00U +#define USBD_FUNC_DESCRIPTOR_TYPE 0x24U +#define USBD_DESC_SUBTYPE_ACM 0x0FU +#define USBD_DESC_ECM_BCD_LOW 0x00U +#define USBD_DESC_ECM_BCD_HIGH 0x10U +#endif /* USE_USBD_COMPOSITE */ +/** + * @} + */ + + +/** @defgroup USBD_DEF_Exported_TypesDefinitions + * @{ + */ + +typedef struct usb_setup_req +{ + uint8_t bmRequest; + uint8_t bRequest; + uint16_t wValue; + uint16_t wIndex; + uint16_t wLength; +} USBD_SetupReqTypedef; + +typedef struct +{ + uint8_t bLength; + uint8_t bDescriptorType; + uint16_t wTotalLength; + uint8_t bNumInterfaces; + uint8_t bConfigurationValue; + uint8_t iConfiguration; + uint8_t bmAttributes; + uint8_t bMaxPower; +} __PACKED USBD_ConfigDescTypeDef; + +typedef struct +{ + uint8_t bLength; + uint8_t bDescriptorType; + uint16_t wTotalLength; + uint8_t bNumDeviceCaps; +} USBD_BosDescTypeDef; + +typedef struct +{ + uint8_t bLength; + uint8_t bDescriptorType; + uint8_t bEndpointAddress; + uint8_t bmAttributes; + uint16_t wMaxPacketSize; + uint8_t bInterval; +} __PACKED USBD_EpDescTypeDef; + +typedef struct +{ + uint8_t bLength; + uint8_t bDescriptorType; + uint8_t bDescriptorSubType; +} USBD_DescHeaderTypeDef; + +struct _USBD_HandleTypeDef; + +typedef struct _Device_cb +{ + uint8_t (*Init)(struct _USBD_HandleTypeDef *pdev, uint8_t cfgidx); + uint8_t (*DeInit)(struct _USBD_HandleTypeDef *pdev, uint8_t cfgidx); + /* Control Endpoints*/ + uint8_t (*Setup)(struct _USBD_HandleTypeDef *pdev, USBD_SetupReqTypedef *req); + uint8_t (*EP0_TxSent)(struct _USBD_HandleTypeDef *pdev); + uint8_t (*EP0_RxReady)(struct _USBD_HandleTypeDef *pdev); + /* Class Specific Endpoints*/ + uint8_t (*DataIn)(struct _USBD_HandleTypeDef *pdev, uint8_t epnum); + uint8_t (*DataOut)(struct _USBD_HandleTypeDef *pdev, uint8_t epnum); + uint8_t (*SOF)(struct _USBD_HandleTypeDef *pdev); + uint8_t (*IsoINIncomplete)(struct _USBD_HandleTypeDef *pdev, uint8_t epnum); + uint8_t (*IsoOUTIncomplete)(struct _USBD_HandleTypeDef *pdev, uint8_t epnum); + + uint8_t *(*GetHSConfigDescriptor)(uint16_t *length); + uint8_t *(*GetFSConfigDescriptor)(uint16_t *length); + uint8_t *(*GetOtherSpeedConfigDescriptor)(uint16_t *length); + uint8_t *(*GetDeviceQualifierDescriptor)(uint16_t *length); +#if (USBD_SUPPORT_USER_STRING_DESC == 1U) + uint8_t *(*GetUsrStrDescriptor)(struct _USBD_HandleTypeDef *pdev, uint8_t index, uint16_t *length); +#endif /* USBD_SUPPORT_USER_STRING_DESC */ + +} USBD_ClassTypeDef; + +/* Following USB Device Speed */ +typedef enum +{ + USBD_SPEED_HIGH = 0U, + USBD_SPEED_FULL = 1U, + USBD_SPEED_LOW = 2U, +} USBD_SpeedTypeDef; + +/* Following USB Device status */ +typedef enum +{ + USBD_OK = 0U, + USBD_BUSY, + USBD_EMEM, + USBD_FAIL, +} USBD_StatusTypeDef; + +/* USB Device descriptors structure */ +typedef struct +{ + uint8_t *(*GetDeviceDescriptor)(USBD_SpeedTypeDef speed, uint16_t *length); + uint8_t *(*GetLangIDStrDescriptor)(USBD_SpeedTypeDef speed, uint16_t *length); + uint8_t *(*GetManufacturerStrDescriptor)(USBD_SpeedTypeDef speed, uint16_t *length); + uint8_t *(*GetProductStrDescriptor)(USBD_SpeedTypeDef speed, uint16_t *length); + uint8_t *(*GetSerialStrDescriptor)(USBD_SpeedTypeDef speed, uint16_t *length); + uint8_t *(*GetConfigurationStrDescriptor)(USBD_SpeedTypeDef speed, uint16_t *length); + uint8_t *(*GetInterfaceStrDescriptor)(USBD_SpeedTypeDef speed, uint16_t *length); +#if (USBD_CLASS_USER_STRING_DESC == 1) + uint8_t *(*GetUserStrDescriptor)(USBD_SpeedTypeDef speed, uint8_t idx, uint16_t *length); +#endif /* USBD_CLASS_USER_STRING_DESC */ +#if ((USBD_LPM_ENABLED == 1U) || (USBD_CLASS_BOS_ENABLED == 1)) + uint8_t *(*GetBOSDescriptor)(USBD_SpeedTypeDef speed, uint16_t *length); +#endif /* (USBD_LPM_ENABLED == 1U) || (USBD_CLASS_BOS_ENABLED == 1) */ +} USBD_DescriptorsTypeDef; + +/* USB Device handle structure */ +typedef struct +{ + uint32_t status; + uint32_t total_length; + uint32_t rem_length; + uint32_t maxpacket; + uint16_t is_used; + uint16_t bInterval; +} USBD_EndpointTypeDef; + +#ifdef USE_USBD_COMPOSITE +typedef enum +{ + CLASS_TYPE_NONE = 0, + CLASS_TYPE_HID = 1, + CLASS_TYPE_CDC = 2, + CLASS_TYPE_MSC = 3, + CLASS_TYPE_DFU = 4, + CLASS_TYPE_CHID = 5, + CLASS_TYPE_AUDIO = 6, + CLASS_TYPE_ECM = 7, + CLASS_TYPE_RNDIS = 8, + CLASS_TYPE_MTP = 9, + CLASS_TYPE_VIDEO = 10, + CLASS_TYPE_PRINTER = 11, + CLASS_TYPE_CCID = 12, +} USBD_CompositeClassTypeDef; + + +/* USB Device handle structure */ +typedef struct +{ + uint8_t add; + uint8_t type; + uint8_t size; + uint8_t is_used; +} USBD_EPTypeDef; + +/* USB Device handle structure */ +typedef struct +{ + USBD_CompositeClassTypeDef ClassType; + uint32_t ClassId; + uint32_t Active; + uint32_t NumEps; + USBD_EPTypeDef Eps[USBD_MAX_CLASS_ENDPOINTS]; + uint8_t *EpAdd; + uint32_t NumIf; + uint8_t Ifs[USBD_MAX_CLASS_INTERFACES]; + uint32_t CurrPcktSze; +} USBD_CompositeElementTypeDef; +#endif /* USE_USBD_COMPOSITE */ + +/* USB Device handle structure */ +typedef struct _USBD_HandleTypeDef +{ + uint8_t id; + uint32_t dev_config; + uint32_t dev_default_config; + uint32_t dev_config_status; + USBD_SpeedTypeDef dev_speed; + USBD_EndpointTypeDef ep_in[16]; + USBD_EndpointTypeDef ep_out[16]; + __IO uint32_t ep0_state; + uint32_t ep0_data_len; + __IO uint8_t dev_state; + __IO uint8_t dev_old_state; + uint8_t dev_address; + uint8_t dev_connection_status; + uint8_t dev_test_mode; + uint32_t dev_remote_wakeup; + uint8_t ConfIdx; + + USBD_SetupReqTypedef request; + USBD_DescriptorsTypeDef *pDesc; + USBD_ClassTypeDef *pClass[USBD_MAX_SUPPORTED_CLASS]; + void *pClassData; + void *pClassDataCmsit[USBD_MAX_SUPPORTED_CLASS]; + void *pUserData[USBD_MAX_SUPPORTED_CLASS]; + void *pData; + void *pBosDesc; + void *pConfDesc; + uint32_t classId; + uint32_t NumClasses; +#ifdef USE_USBD_COMPOSITE + USBD_CompositeElementTypeDef tclasslist[USBD_MAX_SUPPORTED_CLASS]; +#endif /* USE_USBD_COMPOSITE */ +#if (USBD_USER_REGISTER_CALLBACK == 1U) + void (* DevStateCallback)(uint8_t dev_state, uint8_t cfgidx); /*!< User Notification callback */ +#endif /* USBD_USER_REGISTER_CALLBACK */ +} USBD_HandleTypeDef; + +#if (USBD_USER_REGISTER_CALLBACK == 1U) +typedef void (*USBD_DevStateCallbackTypeDef)(uint8_t dev_state, uint8_t cfgidx); /*!< pointer to User callback function */ +#endif /* USBD_USER_REGISTER_CALLBACK */ + +/* USB Device endpoint direction */ +typedef enum +{ + OUT = 0x00, + IN = 0x80, +} USBD_EPDirectionTypeDef; + +typedef enum +{ + NETWORK_CONNECTION = 0x00, + RESPONSE_AVAILABLE = 0x01, + CONNECTION_SPEED_CHANGE = 0x2A +} USBD_CDC_NotifCodeTypeDef; +/** + * @} + */ + + + +/** @defgroup USBD_DEF_Exported_Macros + * @{ + */ +__STATIC_INLINE uint16_t SWAPBYTE(uint8_t *addr) +{ + uint16_t _SwapVal; + uint16_t _Byte1; + uint16_t _Byte2; + uint8_t *_pbuff = addr; + + _Byte1 = *(uint8_t *)_pbuff; + _pbuff++; + _Byte2 = *(uint8_t *)_pbuff; + + _SwapVal = (_Byte2 << 8) | _Byte1; + + return _SwapVal; +} + +#ifndef LOBYTE +#define LOBYTE(x) ((uint8_t)((x) & 0x00FFU)) +#endif /* LOBYTE */ + +#ifndef HIBYTE +#define HIBYTE(x) ((uint8_t)(((x) & 0xFF00U) >> 8U)) +#endif /* HIBYTE */ + +#ifndef MIN +#define MIN(a, b) (((a) < (b)) ? (a) : (b)) +#endif /* MIN */ + +#ifndef MAX +#define MAX(a, b) (((a) > (b)) ? (a) : (b)) +#endif /* MAX */ + +#if defined ( __GNUC__ ) +#ifndef __weak +#define __weak __attribute__((weak)) +#endif /* __weak */ +#ifndef __packed +#define __packed __attribute__((__packed__)) +#endif /* __packed */ +#endif /* __GNUC__ */ + + +/* In HS mode and when the DMA is used, all variables and data structures dealing + with the DMA during the transaction process should be 4-bytes aligned */ + +#if defined ( __GNUC__ ) && !defined (__CC_ARM) /* GNU Compiler */ +#ifndef __ALIGN_END +#define __ALIGN_END __attribute__ ((aligned (4U))) +#endif /* __ALIGN_END */ +#ifndef __ALIGN_BEGIN +#define __ALIGN_BEGIN +#endif /* __ALIGN_BEGIN */ +#else +#ifndef __ALIGN_END +#define __ALIGN_END +#endif /* __ALIGN_END */ +#ifndef __ALIGN_BEGIN +#if defined (__CC_ARM) /* ARM Compiler */ +#define __ALIGN_BEGIN __align(4U) +#elif defined (__ICCARM__) /* IAR Compiler */ +#define __ALIGN_BEGIN +#endif /* __CC_ARM */ +#endif /* __ALIGN_BEGIN */ +#endif /* __GNUC__ */ + + +/** + * @} + */ + +/** @defgroup USBD_DEF_Exported_Variables + * @{ + */ + +/** + * @} + */ + +/** @defgroup USBD_DEF_Exported_FunctionsPrototype + * @{ + */ + +/** + * @} + */ + +#ifdef __cplusplus +} +#endif + +#endif /* __USBD_DEF_H */ + +/** + * @} + */ + +/** + * @} + */ + diff --git a/Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Core/Inc/usbd_ioreq.h b/Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Core/Inc/usbd_ioreq.h new file mode 100644 index 0000000..15197b9 --- /dev/null +++ b/Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Core/Inc/usbd_ioreq.h @@ -0,0 +1,113 @@ +/** + ****************************************************************************** + * @file usbd_ioreq.h + * @author MCD Application Team + * @brief Header file for the usbd_ioreq.c file + ****************************************************************************** + * @attention + * + * Copyright (c) 2015 STMicroelectronics. + * All rights reserved. + * + * This software is licensed under terms that can be found in the LICENSE file + * in the root directory of this software component. + * If no LICENSE file comes with this software, it is provided AS-IS. + * + ****************************************************************************** + */ + +/* Define to prevent recursive inclusion -------------------------------------*/ +#ifndef __USBD_IOREQ_H +#define __USBD_IOREQ_H + +#ifdef __cplusplus +extern "C" { +#endif + +/* Includes ------------------------------------------------------------------*/ +#include "usbd_def.h" +#include "usbd_core.h" + +/** @addtogroup STM32_USB_DEVICE_LIBRARY + * @{ + */ + +/** @defgroup USBD_IOREQ + * @brief header file for the usbd_ioreq.c file + * @{ + */ + +/** @defgroup USBD_IOREQ_Exported_Defines + * @{ + */ +/** + * @} + */ + + +/** @defgroup USBD_IOREQ_Exported_Types + * @{ + */ + + +/** + * @} + */ + + + +/** @defgroup USBD_IOREQ_Exported_Macros + * @{ + */ + +/** + * @} + */ + +/** @defgroup USBD_IOREQ_Exported_Variables + * @{ + */ + +/** + * @} + */ + +/** @defgroup USBD_IOREQ_Exported_FunctionsPrototype + * @{ + */ + +USBD_StatusTypeDef USBD_CtlSendData(USBD_HandleTypeDef *pdev, + uint8_t *pbuf, uint32_t len); + +USBD_StatusTypeDef USBD_CtlContinueSendData(USBD_HandleTypeDef *pdev, + uint8_t *pbuf, uint32_t len); + +USBD_StatusTypeDef USBD_CtlPrepareRx(USBD_HandleTypeDef *pdev, + uint8_t *pbuf, uint32_t len); + +USBD_StatusTypeDef USBD_CtlContinueRx(USBD_HandleTypeDef *pdev, + uint8_t *pbuf, uint32_t len); + +USBD_StatusTypeDef USBD_CtlSendStatus(USBD_HandleTypeDef *pdev); +USBD_StatusTypeDef USBD_CtlReceiveStatus(USBD_HandleTypeDef *pdev); + +uint32_t USBD_GetRxCount(USBD_HandleTypeDef *pdev, uint8_t ep_addr); + +/** + * @} + */ + +#ifdef __cplusplus +} +#endif + +#endif /* __USBD_IOREQ_H */ + +/** + * @} + */ + +/** + * @} + */ + diff --git a/Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_core.c b/Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_core.c new file mode 100644 index 0000000..0576c87 --- /dev/null +++ b/Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_core.c @@ -0,0 +1,1215 @@ +/** + ****************************************************************************** + * @file usbd_core.c + * @author MCD Application Team + * @brief This file provides all the USBD core functions. + ****************************************************************************** + * @attention + * + * Copyright (c) 2015 STMicroelectronics. + * All rights reserved. + * + * This software is licensed under terms that can be found in the LICENSE file + * in the root directory of this software component. + * If no LICENSE file comes with this software, it is provided AS-IS. + * + ****************************************************************************** + */ + +/* Includes ------------------------------------------------------------------*/ +#include "usbd_core.h" + +#ifdef USE_USBD_COMPOSITE +#include "usbd_composite_builder.h" +#endif /* USE_USBD_COMPOSITE */ + +/** @addtogroup STM32_USBD_DEVICE_LIBRARY + * @{ + */ + + +/** @defgroup USBD_CORE + * @brief usbd core module + * @{ + */ + +/** @defgroup USBD_CORE_Private_TypesDefinitions + * @{ + */ + +/** + * @} + */ + + +/** @defgroup USBD_CORE_Private_Defines + * @{ + */ + +/** + * @} + */ + + +/** @defgroup USBD_CORE_Private_Macros + * @{ + */ + +/** + * @} + */ + + +/** @defgroup USBD_CORE_Private_FunctionPrototypes + * @{ + */ + +/** + * @} + */ + +/** @defgroup USBD_CORE_Private_Variables + * @{ + */ + +/** + * @} + */ + + +/** @defgroup USBD_CORE_Private_Functions + * @{ + */ + +/** + * @brief USBD_Init + * Initialize the device stack and load the class driver + * @param pdev: device instance + * @param pdesc: Descriptor structure address + * @param id: Low level core index + * @retval status: USBD Status + */ +USBD_StatusTypeDef USBD_Init(USBD_HandleTypeDef *pdev, + USBD_DescriptorsTypeDef *pdesc, uint8_t id) +{ + USBD_StatusTypeDef ret; + + /* Check whether the USB Host handle is valid */ + if (pdev == NULL) + { +#if (USBD_DEBUG_LEVEL > 1U) + USBD_ErrLog("Invalid Device handle"); +#endif /* (USBD_DEBUG_LEVEL > 1U) */ + return USBD_FAIL; + } + +#ifdef USE_USBD_COMPOSITE + /* Parse the table of classes in use */ + for (uint32_t i = 0; i < USBD_MAX_SUPPORTED_CLASS; i++) + { + /* Unlink previous class*/ + pdev->pClass[i] = NULL; + pdev->pUserData[i] = NULL; + + /* Set class as inactive */ + pdev->tclasslist[i].Active = 0; + pdev->NumClasses = 0; + pdev->classId = 0; + } +#else + /* Unlink previous class*/ + pdev->pClass[0] = NULL; + pdev->pUserData[0] = NULL; +#endif /* USE_USBD_COMPOSITE */ + + pdev->pConfDesc = NULL; + + /* Assign USBD Descriptors */ + if (pdesc != NULL) + { + pdev->pDesc = pdesc; + } + + /* Set Device initial State */ + pdev->dev_state = USBD_STATE_DEFAULT; + pdev->id = id; + + /* Initialize low level driver */ + ret = USBD_LL_Init(pdev); + + return ret; +} + +/** + * @brief USBD_DeInit + * De-Initialize the device library + * @param pdev: device instance + * @retval status: USBD Status + */ +USBD_StatusTypeDef USBD_DeInit(USBD_HandleTypeDef *pdev) +{ + USBD_StatusTypeDef ret; + + /* Disconnect the USB Device */ + (void)USBD_LL_Stop(pdev); + + /* Set Default State */ + pdev->dev_state = USBD_STATE_DEFAULT; + +#ifdef USE_USBD_COMPOSITE + /* Parse the table of classes in use */ + for (uint32_t i = 0; i < USBD_MAX_SUPPORTED_CLASS; i++) + { + /* Check if current class is in use */ + if ((pdev->tclasslist[i].Active) == 1U) + { + if (pdev->pClass[i] != NULL) + { + pdev->classId = i; + /* Free Class Resources */ + pdev->pClass[i]->DeInit(pdev, (uint8_t)pdev->dev_config); + } + } + } +#else + /* Free Class Resources */ + if (pdev->pClass[0] != NULL) + { + pdev->pClass[0]->DeInit(pdev, (uint8_t)pdev->dev_config); + } + + pdev->pUserData[0] = NULL; + +#endif /* USE_USBD_COMPOSITE */ + + /* Free Device descriptors resources */ + pdev->pDesc = NULL; + pdev->pConfDesc = NULL; + + /* DeInitialize low level driver */ + ret = USBD_LL_DeInit(pdev); + + return ret; +} + +/** + * @brief USBD_RegisterClass + * Link class driver to Device Core. + * @param pdev: Device Handle + * @param pclass: Class handle + * @retval USBD Status + */ +USBD_StatusTypeDef USBD_RegisterClass(USBD_HandleTypeDef *pdev, USBD_ClassTypeDef *pclass) +{ + uint16_t len = 0U; + + if (pclass == NULL) + { +#if (USBD_DEBUG_LEVEL > 1U) + USBD_ErrLog("Invalid Class handle"); +#endif /* (USBD_DEBUG_LEVEL > 1U) */ + return USBD_FAIL; + } + + /* link the class to the USB Device handle */ + pdev->pClass[0] = pclass; + + /* Get Device Configuration Descriptor */ +#ifdef USE_USB_HS + if (pdev->pClass[pdev->classId]->GetHSConfigDescriptor != NULL) + { + pdev->pConfDesc = (void *)pdev->pClass[pdev->classId]->GetHSConfigDescriptor(&len); + } +#else /* Default USE_USB_FS */ + if (pdev->pClass[pdev->classId]->GetFSConfigDescriptor != NULL) + { + pdev->pConfDesc = (void *)pdev->pClass[pdev->classId]->GetFSConfigDescriptor(&len); + } +#endif /* USE_USB_FS */ + + /* Increment the NumClasses */ + pdev->NumClasses++; + + return USBD_OK; +} + +#ifdef USE_USBD_COMPOSITE +/** + * @brief USBD_RegisterClassComposite + * Link class driver to Device Core. + * @param pdev : Device Handle + * @param pclass: Class handle + * @param classtype: Class type + * @param EpAddr: Endpoint Address handle + * @retval USBD Status + */ +USBD_StatusTypeDef USBD_RegisterClassComposite(USBD_HandleTypeDef *pdev, USBD_ClassTypeDef *pclass, + USBD_CompositeClassTypeDef classtype, uint8_t *EpAddr) +{ + USBD_StatusTypeDef ret = USBD_OK; + uint16_t len = 0U; + + if ((pdev->classId < USBD_MAX_SUPPORTED_CLASS) && (pdev->NumClasses < USBD_MAX_SUPPORTED_CLASS)) + { + if ((uint32_t)pclass != 0U) + { + /* Link the class to the USB Device handle */ + pdev->pClass[pdev->classId] = pclass; + ret = USBD_OK; + + pdev->tclasslist[pdev->classId].EpAdd = EpAddr; + + /* Call the composite class builder */ + (void)USBD_CMPSIT_AddClass(pdev, pclass, classtype, 0); + + /* Increment the ClassId for the next occurrence */ + pdev->classId ++; + pdev->NumClasses ++; + } + else + { +#if (USBD_DEBUG_LEVEL > 1U) + USBD_ErrLog("Invalid Class handle"); +#endif /* (USBD_DEBUG_LEVEL > 1U) */ + ret = USBD_FAIL; + } + } + + if (ret == USBD_OK) + { + /* Get Device Configuration Descriptor */ +#ifdef USE_USB_HS + pdev->pConfDesc = USBD_CMPSIT.GetHSConfigDescriptor(&len); +#else /* Default USE_USB_FS */ + pdev->pConfDesc = USBD_CMPSIT.GetFSConfigDescriptor(&len); +#endif /* USE_USB_FS */ + } + + return ret; +} + +/** + * @brief USBD_UnRegisterClassComposite + * UnLink all composite class drivers from Device Core. + * @param pdev: Device Handle + * @retval USBD Status + */ +USBD_StatusTypeDef USBD_UnRegisterClassComposite(USBD_HandleTypeDef *pdev) +{ + USBD_StatusTypeDef ret = USBD_FAIL; + uint8_t idx1; + uint8_t idx2; + + /* Unroll all activated classes */ + for (idx1 = 0; idx1 < pdev->NumClasses; idx1++) + { + /* Check if the class correspond to the requested type and if it is active */ + if (pdev->tclasslist[idx1].Active == 1U) + { + /* Set the new class ID */ + pdev->classId = idx1; + + /* Free resources used by the selected class */ + if (pdev->pClass[pdev->classId] != NULL) + { + /* Free Class Resources */ + if (pdev->pClass[pdev->classId]->DeInit(pdev, (uint8_t)pdev->dev_config) != 0U) + { +#if (USBD_DEBUG_LEVEL > 1U) + USBD_ErrLog("Class DeInit didn't succeed!, can't unregister selected class"); +#endif /* (USBD_DEBUG_LEVEL > 1U) */ + + ret = USBD_FAIL; + } + } + + /* Free the class pointer */ + pdev->pClass[pdev->classId] = NULL; + + /* Free the class location in classes table and reset its parameters to zero */ + pdev->tclasslist[pdev->classId].ClassType = CLASS_TYPE_NONE; + pdev->tclasslist[pdev->classId].ClassId = 0U; + pdev->tclasslist[pdev->classId].Active = 0U; + pdev->tclasslist[pdev->classId].NumEps = 0U; + pdev->tclasslist[pdev->classId].NumIf = 0U; + pdev->tclasslist[pdev->classId].CurrPcktSze = 0U; + + for (idx2 = 0U; idx2 < USBD_MAX_CLASS_ENDPOINTS; idx2++) + { + pdev->tclasslist[pdev->classId].Eps[idx2].add = 0U; + pdev->tclasslist[pdev->classId].Eps[idx2].type = 0U; + pdev->tclasslist[pdev->classId].Eps[idx2].size = 0U; + pdev->tclasslist[pdev->classId].Eps[idx2].is_used = 0U; + } + + for (idx2 = 0U; idx2 < USBD_MAX_CLASS_INTERFACES; idx2++) + { + pdev->tclasslist[pdev->classId].Ifs[idx2] = 0U; + } + } + } + + /* Reset the configuration descriptor */ + (void)USBD_CMPST_ClearConfDesc(pdev); + + /* Reset the class ID and number of classes */ + pdev->classId = 0U; + pdev->NumClasses = 0U; + + return ret; +} +#endif /* USE_USBD_COMPOSITE */ + +#if (USBD_USER_REGISTER_CALLBACK == 1U) +/** + * @brief USBD_RegisterDevStateCallback + * @param pdev : Device Handle + * @param pUserCallback: User Callback + * @retval USBD Status + */ +USBD_StatusTypeDef USBD_RegisterDevStateCallback(USBD_HandleTypeDef *pdev, USBD_DevStateCallbackTypeDef pUserCallback) +{ + pdev->DevStateCallback = pUserCallback; + + return USBD_OK; +} +#endif /* USBD_USER_REGISTER_CALLBACK */ + +/** + * @brief USBD_Start + * Start the USB Device Core. + * @param pdev: Device Handle + * @retval USBD Status + */ +USBD_StatusTypeDef USBD_Start(USBD_HandleTypeDef *pdev) +{ +#ifdef USE_USBD_COMPOSITE + pdev->classId = 0U; +#endif /* USE_USBD_COMPOSITE */ + + /* Start the low level driver */ + return USBD_LL_Start(pdev); +} + +/** + * @brief USBD_Stop + * Stop the USB Device Core. + * @param pdev: Device Handle + * @retval USBD Status + */ +USBD_StatusTypeDef USBD_Stop(USBD_HandleTypeDef *pdev) +{ + /* Disconnect USB Device */ + (void)USBD_LL_Stop(pdev); + + /* Free Class Resources */ +#ifdef USE_USBD_COMPOSITE + /* Parse the table of classes in use */ + for (uint32_t i = 0U; i < USBD_MAX_SUPPORTED_CLASS; i++) + { + /* Check if current class is in use */ + if ((pdev->tclasslist[i].Active) == 1U) + { + if (pdev->pClass[i] != NULL) + { + pdev->classId = i; + /* Free Class Resources */ + (void)pdev->pClass[i]->DeInit(pdev, (uint8_t)pdev->dev_config); + } + } + } + + /* Reset the class ID */ + pdev->classId = 0U; +#else + if (pdev->pClass[0] != NULL) + { + (void)pdev->pClass[0]->DeInit(pdev, (uint8_t)pdev->dev_config); + } +#endif /* USE_USBD_COMPOSITE */ + + return USBD_OK; +} + +/** + * @brief USBD_RunTestMode + * Launch test mode process + * @param pdev: device instance + * @retval status + */ +USBD_StatusTypeDef USBD_RunTestMode(USBD_HandleTypeDef *pdev) +{ +#ifdef USBD_HS_TESTMODE_ENABLE + USBD_StatusTypeDef ret; + + /* Run USB HS test mode */ + ret = USBD_LL_SetTestMode(pdev, pdev->dev_test_mode); + + return ret; +#else + /* Prevent unused argument compilation warning */ + UNUSED(pdev); + + return USBD_OK; +#endif /* USBD_HS_TESTMODE_ENABLE */ +} + +/** + * @brief USBD_SetClassConfig + * Configure device and start the interface + * @param pdev: device instance + * @param cfgidx: configuration index + * @retval status + */ + +USBD_StatusTypeDef USBD_SetClassConfig(USBD_HandleTypeDef *pdev, uint8_t cfgidx) +{ + USBD_StatusTypeDef ret = USBD_OK; + +#ifdef USE_USBD_COMPOSITE + /* Parse the table of classes in use */ + for (uint32_t i = 0U; i < USBD_MAX_SUPPORTED_CLASS; i++) + { + /* Check if current class is in use */ + if ((pdev->tclasslist[i].Active) == 1U) + { + if (pdev->pClass[i] != NULL) + { + pdev->classId = i; + /* Set configuration and Start the Class*/ + if (pdev->pClass[i]->Init(pdev, cfgidx) != 0U) + { + ret = USBD_FAIL; + } + } + } + } +#else + if (pdev->pClass[0] != NULL) + { + /* Set configuration and Start the Class */ + ret = (USBD_StatusTypeDef)pdev->pClass[0]->Init(pdev, cfgidx); + } +#endif /* USE_USBD_COMPOSITE */ + + return ret; +} + +/** + * @brief USBD_ClrClassConfig + * Clear current configuration + * @param pdev: device instance + * @param cfgidx: configuration index + * @retval status + */ +USBD_StatusTypeDef USBD_ClrClassConfig(USBD_HandleTypeDef *pdev, uint8_t cfgidx) +{ + USBD_StatusTypeDef ret = USBD_OK; + +#ifdef USE_USBD_COMPOSITE + /* Parse the table of classes in use */ + for (uint32_t i = 0U; i < USBD_MAX_SUPPORTED_CLASS; i++) + { + /* Check if current class is in use */ + if ((pdev->tclasslist[i].Active) == 1U) + { + if (pdev->pClass[i] != NULL) + { + pdev->classId = i; + /* Clear configuration and De-initialize the Class process */ + if (pdev->pClass[i]->DeInit(pdev, cfgidx) != 0U) + { + ret = USBD_FAIL; + } + } + } + } +#else + /* Clear configuration and De-initialize the Class process */ + if (pdev->pClass[0]->DeInit(pdev, cfgidx) != 0U) + { + ret = USBD_FAIL; + } +#endif /* USE_USBD_COMPOSITE */ + + return ret; +} + + +/** + * @brief USBD_LL_SetupStage + * Handle the setup stage + * @param pdev: device instance + * @param psetup: setup packet buffer pointer + * @retval status + */ +USBD_StatusTypeDef USBD_LL_SetupStage(USBD_HandleTypeDef *pdev, uint8_t *psetup) +{ + USBD_StatusTypeDef ret; + + USBD_ParseSetupRequest(&pdev->request, psetup); + + pdev->ep0_state = USBD_EP0_SETUP; + + pdev->ep0_data_len = pdev->request.wLength; + + switch (pdev->request.bmRequest & 0x1FU) + { + case USB_REQ_RECIPIENT_DEVICE: + ret = USBD_StdDevReq(pdev, &pdev->request); + break; + + case USB_REQ_RECIPIENT_INTERFACE: + ret = USBD_StdItfReq(pdev, &pdev->request); + break; + + case USB_REQ_RECIPIENT_ENDPOINT: + ret = USBD_StdEPReq(pdev, &pdev->request); + break; + + default: + ret = USBD_LL_StallEP(pdev, (pdev->request.bmRequest & 0x80U)); + break; + } + + return ret; +} + +/** + * @brief USBD_LL_DataOutStage + * Handle data OUT stage + * @param pdev: device instance + * @param epnum: endpoint index + * @param pdata: data pointer + * @retval status + */ +USBD_StatusTypeDef USBD_LL_DataOutStage(USBD_HandleTypeDef *pdev, + uint8_t epnum, uint8_t *pdata) +{ + USBD_EndpointTypeDef *pep; + USBD_StatusTypeDef ret = USBD_OK; + uint8_t idx; + + if (epnum == 0U) + { + pep = &pdev->ep_out[0]; + + if (pdev->ep0_state == USBD_EP0_DATA_OUT) + { + if (pep->rem_length > pep->maxpacket) + { + pep->rem_length -= pep->maxpacket; + + (void)USBD_CtlContinueRx(pdev, pdata, MIN(pep->rem_length, pep->maxpacket)); + } + else + { + /* Find the class ID relative to the current request */ + switch (pdev->request.bmRequest & 0x1FU) + { + case USB_REQ_RECIPIENT_DEVICE: + /* Device requests must be managed by the first instantiated class + (or duplicated by all classes for simplicity) */ + idx = 0U; + break; + + case USB_REQ_RECIPIENT_INTERFACE: + idx = USBD_CoreFindIF(pdev, LOBYTE(pdev->request.wIndex)); + break; + + case USB_REQ_RECIPIENT_ENDPOINT: + idx = USBD_CoreFindEP(pdev, LOBYTE(pdev->request.wIndex)); + break; + + default: + /* Back to the first class in case of doubt */ + idx = 0U; + break; + } + + if (idx < USBD_MAX_SUPPORTED_CLASS) + { + /* Setup the class ID and route the request to the relative class function */ + if (pdev->dev_state == USBD_STATE_CONFIGURED) + { + if (pdev->pClass[idx]->EP0_RxReady != NULL) + { + pdev->classId = idx; + pdev->pClass[idx]->EP0_RxReady(pdev); + } + } + } + + (void)USBD_CtlSendStatus(pdev); + } + } + } + else + { + /* Get the class index relative to this interface */ + idx = USBD_CoreFindEP(pdev, (epnum & 0x7FU)); + + if (((uint16_t)idx != 0xFFU) && (idx < USBD_MAX_SUPPORTED_CLASS)) + { + /* Call the class data out function to manage the request */ + if (pdev->dev_state == USBD_STATE_CONFIGURED) + { + if (pdev->pClass[idx]->DataOut != NULL) + { + pdev->classId = idx; + ret = (USBD_StatusTypeDef)pdev->pClass[idx]->DataOut(pdev, epnum); + } + } + if (ret != USBD_OK) + { + return ret; + } + } + } + + return USBD_OK; +} + +/** + * @brief USBD_LL_DataInStage + * Handle data in stage + * @param pdev: device instance + * @param epnum: endpoint index + * @param pdata: data pointer + * @retval status + */ +USBD_StatusTypeDef USBD_LL_DataInStage(USBD_HandleTypeDef *pdev, + uint8_t epnum, uint8_t *pdata) +{ + USBD_EndpointTypeDef *pep; + USBD_StatusTypeDef ret; + uint8_t idx; + + if (epnum == 0U) + { + pep = &pdev->ep_in[0]; + + if (pdev->ep0_state == USBD_EP0_DATA_IN) + { + if (pep->rem_length > pep->maxpacket) + { + pep->rem_length -= pep->maxpacket; + + (void)USBD_CtlContinueSendData(pdev, pdata, pep->rem_length); + + /* Prepare endpoint for premature end of transfer */ + (void)USBD_LL_PrepareReceive(pdev, 0U, NULL, 0U); + } + else + { + /* last packet is MPS multiple, so send ZLP packet */ + if ((pep->maxpacket == pep->rem_length) && + (pep->total_length >= pep->maxpacket) && + (pep->total_length < pdev->ep0_data_len)) + { + (void)USBD_CtlContinueSendData(pdev, NULL, 0U); + pdev->ep0_data_len = 0U; + + /* Prepare endpoint for premature end of transfer */ + (void)USBD_LL_PrepareReceive(pdev, 0U, NULL, 0U); + } + else + { + if (pdev->dev_state == USBD_STATE_CONFIGURED) + { + if (pdev->pClass[0]->EP0_TxSent != NULL) + { + pdev->classId = 0U; + pdev->pClass[0]->EP0_TxSent(pdev); + } + } + (void)USBD_LL_StallEP(pdev, 0x80U); + (void)USBD_CtlReceiveStatus(pdev); + } + } + } + + if (pdev->dev_test_mode != 0U) + { + (void)USBD_RunTestMode(pdev); + pdev->dev_test_mode = 0U; + } + } + else + { + /* Get the class index relative to this interface */ + idx = USBD_CoreFindEP(pdev, ((uint8_t)epnum | 0x80U)); + + if (((uint16_t)idx != 0xFFU) && (idx < USBD_MAX_SUPPORTED_CLASS)) + { + /* Call the class data out function to manage the request */ + if (pdev->dev_state == USBD_STATE_CONFIGURED) + { + if (pdev->pClass[idx]->DataIn != NULL) + { + pdev->classId = idx; + ret = (USBD_StatusTypeDef)pdev->pClass[idx]->DataIn(pdev, epnum); + + if (ret != USBD_OK) + { + return ret; + } + } + } + } + } + + return USBD_OK; +} + +/** + * @brief USBD_LL_Reset + * Handle Reset event + * @param pdev: device instance + * @retval status + */ +USBD_StatusTypeDef USBD_LL_Reset(USBD_HandleTypeDef *pdev) +{ + USBD_StatusTypeDef ret = USBD_OK; + + /* Upon Reset call user call back */ + pdev->dev_state = USBD_STATE_DEFAULT; + pdev->ep0_state = USBD_EP0_IDLE; + pdev->dev_config = 0U; + pdev->dev_remote_wakeup = 0U; + pdev->dev_test_mode = 0U; + +#ifdef USE_USBD_COMPOSITE + /* Parse the table of classes in use */ + for (uint32_t i = 0U; i < USBD_MAX_SUPPORTED_CLASS; i++) + { + /* Check if current class is in use */ + if ((pdev->tclasslist[i].Active) == 1U) + { + if (pdev->pClass[i] != NULL) + { + pdev->classId = i; + /* Clear configuration and De-initialize the Class process*/ + + if (pdev->pClass[i]->DeInit != NULL) + { + if (pdev->pClass[i]->DeInit(pdev, (uint8_t)pdev->dev_config) != USBD_OK) + { + ret = USBD_FAIL; + } + } + } + } + } +#else + + if (pdev->pClass[0] != NULL) + { + if (pdev->pClass[0]->DeInit != NULL) + { + if (pdev->pClass[0]->DeInit(pdev, (uint8_t)pdev->dev_config) != USBD_OK) + { + ret = USBD_FAIL; + } + } + } +#endif /* USE_USBD_COMPOSITE */ + + /* Open EP0 OUT */ + (void)USBD_LL_OpenEP(pdev, 0x00U, USBD_EP_TYPE_CTRL, USB_MAX_EP0_SIZE); + pdev->ep_out[0x00U & 0xFU].is_used = 1U; + + pdev->ep_out[0].maxpacket = USB_MAX_EP0_SIZE; + + /* Open EP0 IN */ + (void)USBD_LL_OpenEP(pdev, 0x80U, USBD_EP_TYPE_CTRL, USB_MAX_EP0_SIZE); + pdev->ep_in[0x80U & 0xFU].is_used = 1U; + + pdev->ep_in[0].maxpacket = USB_MAX_EP0_SIZE; + + return ret; +} + +/** + * @brief USBD_LL_SetSpeed + * Handle Reset event + * @param pdev: device instance + * @retval status + */ +USBD_StatusTypeDef USBD_LL_SetSpeed(USBD_HandleTypeDef *pdev, + USBD_SpeedTypeDef speed) +{ + pdev->dev_speed = speed; + + return USBD_OK; +} + +/** + * @brief USBD_LL_Suspend + * Handle Suspend event + * @param pdev: device instance + * @retval status + */ +USBD_StatusTypeDef USBD_LL_Suspend(USBD_HandleTypeDef *pdev) +{ + if (pdev->dev_state != USBD_STATE_SUSPENDED) + { + pdev->dev_old_state = pdev->dev_state; + } + + pdev->dev_state = USBD_STATE_SUSPENDED; + + return USBD_OK; +} + +/** + * @brief USBD_LL_Resume + * Handle Resume event + * @param pdev: device instance + * @retval status + */ +USBD_StatusTypeDef USBD_LL_Resume(USBD_HandleTypeDef *pdev) +{ + if (pdev->dev_state == USBD_STATE_SUSPENDED) + { + pdev->dev_state = pdev->dev_old_state; + } + + return USBD_OK; +} + +/** + * @brief USBD_LL_SOF + * Handle SOF event + * @param pdev: device instance + * @retval status + */ +USBD_StatusTypeDef USBD_LL_SOF(USBD_HandleTypeDef *pdev) +{ + /* The SOF event can be distributed for all classes that support it */ + if (pdev->dev_state == USBD_STATE_CONFIGURED) + { +#ifdef USE_USBD_COMPOSITE + /* Parse the table of classes in use */ + for (uint32_t i = 0; i < USBD_MAX_SUPPORTED_CLASS; i++) + { + /* Check if current class is in use */ + if ((pdev->tclasslist[i].Active) == 1U) + { + if (pdev->pClass[i] != NULL) + { + if (pdev->pClass[i]->SOF != NULL) + { + pdev->classId = i; + (void)pdev->pClass[i]->SOF(pdev); + } + } + } + } +#else + if (pdev->pClass[0] != NULL) + { + if (pdev->pClass[0]->SOF != NULL) + { + (void)pdev->pClass[0]->SOF(pdev); + } + } +#endif /* USE_USBD_COMPOSITE */ + } + + return USBD_OK; +} + +/** + * @brief USBD_LL_IsoINIncomplete + * Handle iso in incomplete event + * @param pdev: device instance + * @param epnum: Endpoint number + * @retval status + */ +USBD_StatusTypeDef USBD_LL_IsoINIncomplete(USBD_HandleTypeDef *pdev, + uint8_t epnum) +{ + if (pdev->pClass[pdev->classId] == NULL) + { + return USBD_FAIL; + } + + if (pdev->dev_state == USBD_STATE_CONFIGURED) + { + if (pdev->pClass[pdev->classId]->IsoINIncomplete != NULL) + { + (void)pdev->pClass[pdev->classId]->IsoINIncomplete(pdev, epnum); + } + } + + return USBD_OK; +} + +/** + * @brief USBD_LL_IsoOUTIncomplete + * Handle iso out incomplete event + * @param pdev: device instance + * @param epnum: Endpoint number + * @retval status + */ +USBD_StatusTypeDef USBD_LL_IsoOUTIncomplete(USBD_HandleTypeDef *pdev, + uint8_t epnum) +{ + if (pdev->pClass[pdev->classId] == NULL) + { + return USBD_FAIL; + } + + if (pdev->dev_state == USBD_STATE_CONFIGURED) + { + if (pdev->pClass[pdev->classId]->IsoOUTIncomplete != NULL) + { + (void)pdev->pClass[pdev->classId]->IsoOUTIncomplete(pdev, epnum); + } + } + + return USBD_OK; +} + +/** + * @brief USBD_LL_DevConnected + * Handle device connection event + * @param pdev: device instance + * @retval status + */ +USBD_StatusTypeDef USBD_LL_DevConnected(USBD_HandleTypeDef *pdev) +{ + /* Prevent unused argument compilation warning */ + UNUSED(pdev); + + return USBD_OK; +} + +/** + * @brief USBD_LL_DevDisconnected + * Handle device disconnection event + * @param pdev: device instance + * @retval status + */ +USBD_StatusTypeDef USBD_LL_DevDisconnected(USBD_HandleTypeDef *pdev) +{ + USBD_StatusTypeDef ret = USBD_OK; + + /* Free Class Resources */ + pdev->dev_state = USBD_STATE_DEFAULT; + +#ifdef USE_USBD_COMPOSITE + /* Parse the table of classes in use */ + for (uint32_t i = 0; i < USBD_MAX_SUPPORTED_CLASS; i++) + { + /* Check if current class is in use */ + if ((pdev->tclasslist[i].Active) == 1U) + { + if (pdev->pClass[i] != NULL) + { + pdev->classId = i; + /* Clear configuration and De-initialize the Class process*/ + if (pdev->pClass[i]->DeInit(pdev, (uint8_t)pdev->dev_config) != 0U) + { + ret = USBD_FAIL; + } + } + } + } +#else + if (pdev->pClass[0] != NULL) + { + if (pdev->pClass[0]->DeInit(pdev, (uint8_t)pdev->dev_config) != 0U) + { + ret = USBD_FAIL; + } + } +#endif /* USE_USBD_COMPOSITE */ + + return ret; +} + +/** + * @brief USBD_CoreFindIF + * return the class index relative to the selected interface + * @param pdev: device instance + * @param index : selected interface number + * @retval index of the class using the selected interface number. OxFF if no class found. + */ +uint8_t USBD_CoreFindIF(USBD_HandleTypeDef *pdev, uint8_t index) +{ +#ifdef USE_USBD_COMPOSITE + /* Parse the table of classes in use */ + for (uint32_t i = 0U; i < USBD_MAX_SUPPORTED_CLASS; i++) + { + /* Check if current class is in use */ + if ((pdev->tclasslist[i].Active) == 1U) + { + /* Parse all interfaces listed in the current class */ + for (uint32_t j = 0U; j < pdev->tclasslist[i].NumIf; j++) + { + /* Check if requested Interface matches the current class interface */ + if (pdev->tclasslist[i].Ifs[j] == index) + { + if (pdev->pClass[i]->Setup != NULL) + { + return (uint8_t)i; + } + } + } + } + } + + return 0xFFU; +#else + UNUSED(pdev); + UNUSED(index); + + return 0x00U; +#endif /* USE_USBD_COMPOSITE */ +} + +/** + * @brief USBD_CoreFindEP + * return the class index relative to the selected endpoint + * @param pdev: device instance + * @param index : selected endpoint number + * @retval index of the class using the selected endpoint number. 0xFF if no class found. + */ +uint8_t USBD_CoreFindEP(USBD_HandleTypeDef *pdev, uint8_t index) +{ +#ifdef USE_USBD_COMPOSITE + /* Parse the table of classes in use */ + for (uint32_t i = 0U; i < USBD_MAX_SUPPORTED_CLASS; i++) + { + /* Check if current class is in use */ + if ((pdev->tclasslist[i].Active) == 1U) + { + /* Parse all endpoints listed in the current class */ + for (uint32_t j = 0U; j < pdev->tclasslist[i].NumEps; j++) + { + /* Check if requested endpoint matches the current class endpoint */ + if (pdev->tclasslist[i].Eps[j].add == index) + { + if (pdev->pClass[i]->Setup != NULL) + { + return (uint8_t)i; + } + } + } + } + } + + return 0xFFU; +#else + UNUSED(pdev); + UNUSED(index); + + return 0x00U; +#endif /* USE_USBD_COMPOSITE */ +} + +#ifdef USE_USBD_COMPOSITE +/** + * @brief USBD_CoreGetEPAdd + * Get the endpoint address relative to a selected class + * @param pdev: device instance + * @param ep_dir: USBD_EP_IN or USBD_EP_OUT + * @param ep_type: USBD_EP_TYPE_CTRL, USBD_EP_TYPE_ISOC, USBD_EP_TYPE_BULK or USBD_EP_TYPE_INTR + * @param ClassId: The Class ID + * @retval Address of the selected endpoint or 0xFFU if no endpoint found. + */ +uint8_t USBD_CoreGetEPAdd(USBD_HandleTypeDef *pdev, uint8_t ep_dir, uint8_t ep_type, uint8_t ClassId) +{ + uint8_t idx; + + /* Find the EP address in the selected class table */ + for (idx = 0; idx < pdev->tclasslist[ClassId].NumEps; idx++) + { + if (((pdev->tclasslist[ClassId].Eps[idx].add & USBD_EP_IN) == ep_dir) && \ + (pdev->tclasslist[ClassId].Eps[idx].type == ep_type) && \ + (pdev->tclasslist[ClassId].Eps[idx].is_used != 0U)) + { + return (pdev->tclasslist[ClassId].Eps[idx].add); + } + } + + /* If reaching this point, then no endpoint was found */ + return 0xFFU; +} +#endif /* USE_USBD_COMPOSITE */ + +/** + * @brief USBD_GetEpDesc + * This function return the Endpoint descriptor + * @param pdev: device instance + * @param pConfDesc: pointer to Bos descriptor + * @param EpAddr: endpoint address + * @retval pointer to video endpoint descriptor + */ +void *USBD_GetEpDesc(uint8_t *pConfDesc, uint8_t EpAddr) +{ + USBD_DescHeaderTypeDef *pdesc = (USBD_DescHeaderTypeDef *)(void *)pConfDesc; + USBD_ConfigDescTypeDef *desc = (USBD_ConfigDescTypeDef *)(void *)pConfDesc; + USBD_EpDescTypeDef *pEpDesc = NULL; + uint16_t ptr; + + if (desc->wTotalLength > desc->bLength) + { + ptr = desc->bLength; + + while (ptr < desc->wTotalLength) + { + pdesc = USBD_GetNextDesc((uint8_t *)pdesc, &ptr); + + if (pdesc->bDescriptorType == USB_DESC_TYPE_ENDPOINT) + { + pEpDesc = (USBD_EpDescTypeDef *)(void *)pdesc; + + if (pEpDesc->bEndpointAddress == EpAddr) + { + break; + } + else + { + pEpDesc = NULL; + } + } + } + } + + return (void *)pEpDesc; +} + +/** + * @brief USBD_GetNextDesc + * This function return the next descriptor header + * @param buf: Buffer where the descriptor is available + * @param ptr: data pointer inside the descriptor + * @retval next header + */ +USBD_DescHeaderTypeDef *USBD_GetNextDesc(uint8_t *pbuf, uint16_t *ptr) +{ + USBD_DescHeaderTypeDef *pnext = (USBD_DescHeaderTypeDef *)(void *)pbuf; + + *ptr += pnext->bLength; + pnext = (USBD_DescHeaderTypeDef *)(void *)(pbuf + pnext->bLength); + + return (pnext); +} + +/** + * @} + */ + + +/** + * @} + */ + + +/** + * @} + */ + diff --git a/Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_ctlreq.c b/Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_ctlreq.c new file mode 100644 index 0000000..814b810 --- /dev/null +++ b/Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_ctlreq.c @@ -0,0 +1,1058 @@ +/** + ****************************************************************************** + * @file usbd_req.c + * @author MCD Application Team + * @brief This file provides the standard USB requests following chapter 9. + ****************************************************************************** + * @attention + * + * Copyright (c) 2015 STMicroelectronics. + * All rights reserved. + * + * This software is licensed under terms that can be found in the LICENSE file + * in the root directory of this software component. + * If no LICENSE file comes with this software, it is provided AS-IS. + * + ****************************************************************************** + */ + +/* Includes ------------------------------------------------------------------*/ +#include "usbd_ctlreq.h" +#include "usbd_ioreq.h" + +#ifdef USE_USBD_COMPOSITE +#include "usbd_composite_builder.h" +#endif /* USE_USBD_COMPOSITE */ + +/** @addtogroup STM32_USBD_STATE_DEVICE_LIBRARY + * @{ + */ + + +/** @defgroup USBD_REQ + * @brief USB standard requests module + * @{ + */ + +/** @defgroup USBD_REQ_Private_TypesDefinitions + * @{ + */ + +/** + * @} + */ + + +/** @defgroup USBD_REQ_Private_Defines + * @{ + */ +#ifndef USBD_MAX_STR_DESC_SIZ +#define USBD_MAX_STR_DESC_SIZ 64U +#endif /* USBD_MAX_STR_DESC_SIZ */ +/** + * @} + */ + + +/** @defgroup USBD_REQ_Private_Macros + * @{ + */ + +/** + * @} + */ + + +/** @defgroup USBD_REQ_Private_Variables + * @{ + */ + +/** + * @} + */ + + +/** @defgroup USBD_REQ_Private_FunctionPrototypes + * @{ + */ +static void USBD_GetDescriptor(USBD_HandleTypeDef *pdev, USBD_SetupReqTypedef *req); +static void USBD_SetAddress(USBD_HandleTypeDef *pdev, USBD_SetupReqTypedef *req); +static USBD_StatusTypeDef USBD_SetConfig(USBD_HandleTypeDef *pdev, USBD_SetupReqTypedef *req); +static void USBD_GetConfig(USBD_HandleTypeDef *pdev, USBD_SetupReqTypedef *req); +static void USBD_GetStatus(USBD_HandleTypeDef *pdev, USBD_SetupReqTypedef *req); +static void USBD_SetFeature(USBD_HandleTypeDef *pdev, USBD_SetupReqTypedef *req); +static void USBD_ClrFeature(USBD_HandleTypeDef *pdev, USBD_SetupReqTypedef *req); +static uint8_t USBD_GetLen(uint8_t *buf); + +/** + * @} + */ + + +/** @defgroup USBD_REQ_Private_Functions + * @{ + */ + + +/** + * @brief USBD_StdDevReq + * Handle standard usb device requests + * @param pdev: device instance + * @param req: usb request + * @retval status + */ +USBD_StatusTypeDef USBD_StdDevReq(USBD_HandleTypeDef *pdev, USBD_SetupReqTypedef *req) +{ + USBD_StatusTypeDef ret = USBD_OK; + + switch (req->bmRequest & USB_REQ_TYPE_MASK) + { + case USB_REQ_TYPE_CLASS: + case USB_REQ_TYPE_VENDOR: + ret = (USBD_StatusTypeDef)pdev->pClass[pdev->classId]->Setup(pdev, req); + break; + + case USB_REQ_TYPE_STANDARD: + switch (req->bRequest) + { + case USB_REQ_GET_DESCRIPTOR: + USBD_GetDescriptor(pdev, req); + break; + + case USB_REQ_SET_ADDRESS: + USBD_SetAddress(pdev, req); + break; + + case USB_REQ_SET_CONFIGURATION: + ret = USBD_SetConfig(pdev, req); + break; + + case USB_REQ_GET_CONFIGURATION: + USBD_GetConfig(pdev, req); + break; + + case USB_REQ_GET_STATUS: + USBD_GetStatus(pdev, req); + break; + + case USB_REQ_SET_FEATURE: + USBD_SetFeature(pdev, req); + break; + + case USB_REQ_CLEAR_FEATURE: + USBD_ClrFeature(pdev, req); + break; + + default: + USBD_CtlError(pdev, req); + break; + } + break; + + default: + USBD_CtlError(pdev, req); + break; + } + + return ret; +} + +/** + * @brief USBD_StdItfReq + * Handle standard usb interface requests + * @param pdev: device instance + * @param req: usb request + * @retval status + */ +USBD_StatusTypeDef USBD_StdItfReq(USBD_HandleTypeDef *pdev, USBD_SetupReqTypedef *req) +{ + USBD_StatusTypeDef ret = USBD_OK; + uint8_t idx; + + switch (req->bmRequest & USB_REQ_TYPE_MASK) + { + case USB_REQ_TYPE_CLASS: + case USB_REQ_TYPE_VENDOR: + case USB_REQ_TYPE_STANDARD: + switch (pdev->dev_state) + { + case USBD_STATE_DEFAULT: + case USBD_STATE_ADDRESSED: + case USBD_STATE_CONFIGURED: + + if (LOBYTE(req->wIndex) <= USBD_MAX_NUM_INTERFACES) + { + /* Get the class index relative to this interface */ + idx = USBD_CoreFindIF(pdev, LOBYTE(req->wIndex)); + if (((uint8_t)idx != 0xFFU) && (idx < USBD_MAX_SUPPORTED_CLASS)) + { + /* Call the class data out function to manage the request */ + if (pdev->pClass[idx]->Setup != NULL) + { + pdev->classId = idx; + ret = (USBD_StatusTypeDef)(pdev->pClass[idx]->Setup(pdev, req)); + } + else + { + /* should never reach this condition */ + ret = USBD_FAIL; + } + } + else + { + /* No relative interface found */ + ret = USBD_FAIL; + } + + if ((req->wLength == 0U) && (ret == USBD_OK)) + { + (void)USBD_CtlSendStatus(pdev); + } + } + else + { + USBD_CtlError(pdev, req); + } + break; + + default: + USBD_CtlError(pdev, req); + break; + } + break; + + default: + USBD_CtlError(pdev, req); + break; + } + + return ret; +} + +/** + * @brief USBD_StdEPReq + * Handle standard usb endpoint requests + * @param pdev: device instance + * @param req: usb request + * @retval status + */ +USBD_StatusTypeDef USBD_StdEPReq(USBD_HandleTypeDef *pdev, USBD_SetupReqTypedef *req) +{ + USBD_EndpointTypeDef *pep; + uint8_t ep_addr; + uint8_t idx; + USBD_StatusTypeDef ret = USBD_OK; + + ep_addr = LOBYTE(req->wIndex); + + switch (req->bmRequest & USB_REQ_TYPE_MASK) + { + case USB_REQ_TYPE_CLASS: + case USB_REQ_TYPE_VENDOR: + /* Get the class index relative to this endpoint */ + idx = USBD_CoreFindEP(pdev, ep_addr); + if (((uint8_t)idx != 0xFFU) && (idx < USBD_MAX_SUPPORTED_CLASS)) + { + pdev->classId = idx; + /* Call the class data out function to manage the request */ + if (pdev->pClass[idx]->Setup != NULL) + { + ret = (USBD_StatusTypeDef)pdev->pClass[idx]->Setup(pdev, req); + } + } + break; + + case USB_REQ_TYPE_STANDARD: + switch (req->bRequest) + { + case USB_REQ_SET_FEATURE: + switch (pdev->dev_state) + { + case USBD_STATE_ADDRESSED: + if ((ep_addr != 0x00U) && (ep_addr != 0x80U)) + { + (void)USBD_LL_StallEP(pdev, ep_addr); + (void)USBD_LL_StallEP(pdev, 0x80U); + } + else + { + USBD_CtlError(pdev, req); + } + break; + + case USBD_STATE_CONFIGURED: + if (req->wValue == USB_FEATURE_EP_HALT) + { + if ((ep_addr != 0x00U) && (ep_addr != 0x80U) && (req->wLength == 0x00U)) + { + (void)USBD_LL_StallEP(pdev, ep_addr); + } + } + (void)USBD_CtlSendStatus(pdev); + + break; + + default: + USBD_CtlError(pdev, req); + break; + } + break; + + case USB_REQ_CLEAR_FEATURE: + + switch (pdev->dev_state) + { + case USBD_STATE_ADDRESSED: + if ((ep_addr != 0x00U) && (ep_addr != 0x80U)) + { + (void)USBD_LL_StallEP(pdev, ep_addr); + (void)USBD_LL_StallEP(pdev, 0x80U); + } + else + { + USBD_CtlError(pdev, req); + } + break; + + case USBD_STATE_CONFIGURED: + if (req->wValue == USB_FEATURE_EP_HALT) + { + if ((ep_addr & 0x7FU) != 0x00U) + { + (void)USBD_LL_ClearStallEP(pdev, ep_addr); + } + (void)USBD_CtlSendStatus(pdev); + + /* Get the class index relative to this interface */ + idx = USBD_CoreFindEP(pdev, ep_addr); + if (((uint8_t)idx != 0xFFU) && (idx < USBD_MAX_SUPPORTED_CLASS)) + { + pdev->classId = idx; + /* Call the class data out function to manage the request */ + if (pdev->pClass[idx]->Setup != NULL) + { + ret = (USBD_StatusTypeDef)(pdev->pClass[idx]->Setup(pdev, req)); + } + } + } + break; + + default: + USBD_CtlError(pdev, req); + break; + } + break; + + case USB_REQ_GET_STATUS: + switch (pdev->dev_state) + { + case USBD_STATE_ADDRESSED: + if ((ep_addr != 0x00U) && (ep_addr != 0x80U)) + { + USBD_CtlError(pdev, req); + break; + } + pep = ((ep_addr & 0x80U) == 0x80U) ? &pdev->ep_in[ep_addr & 0x7FU] : \ + &pdev->ep_out[ep_addr & 0x7FU]; + + pep->status = 0x0000U; + + (void)USBD_CtlSendData(pdev, (uint8_t *)&pep->status, 2U); + break; + + case USBD_STATE_CONFIGURED: + if ((ep_addr & 0x80U) == 0x80U) + { + if (pdev->ep_in[ep_addr & 0xFU].is_used == 0U) + { + USBD_CtlError(pdev, req); + break; + } + } + else + { + if (pdev->ep_out[ep_addr & 0xFU].is_used == 0U) + { + USBD_CtlError(pdev, req); + break; + } + } + + pep = ((ep_addr & 0x80U) == 0x80U) ? &pdev->ep_in[ep_addr & 0x7FU] : \ + &pdev->ep_out[ep_addr & 0x7FU]; + + if ((ep_addr == 0x00U) || (ep_addr == 0x80U)) + { + pep->status = 0x0000U; + } + else if (USBD_LL_IsStallEP(pdev, ep_addr) != 0U) + { + pep->status = 0x0001U; + } + else + { + pep->status = 0x0000U; + } + + (void)USBD_CtlSendData(pdev, (uint8_t *)&pep->status, 2U); + break; + + default: + USBD_CtlError(pdev, req); + break; + } + break; + + default: + USBD_CtlError(pdev, req); + break; + } + break; + + default: + USBD_CtlError(pdev, req); + break; + } + + return ret; +} + + +/** + * @brief USBD_GetDescriptor + * Handle Get Descriptor requests + * @param pdev: device instance + * @param req: usb request + * @retval None + */ +static void USBD_GetDescriptor(USBD_HandleTypeDef *pdev, USBD_SetupReqTypedef *req) +{ + uint16_t len = 0U; + uint8_t *pbuf = NULL; + uint8_t err = 0U; + + switch (req->wValue >> 8) + { +#if ((USBD_LPM_ENABLED == 1U) || (USBD_CLASS_BOS_ENABLED == 1U)) + case USB_DESC_TYPE_BOS: + if (pdev->pDesc->GetBOSDescriptor != NULL) + { + pbuf = pdev->pDesc->GetBOSDescriptor(pdev->dev_speed, &len); + } + else + { + USBD_CtlError(pdev, req); + err++; + } + break; +#endif /* (USBD_LPM_ENABLED == 1U) || (USBD_CLASS_BOS_ENABLED == 1U) */ + case USB_DESC_TYPE_DEVICE: + pbuf = pdev->pDesc->GetDeviceDescriptor(pdev->dev_speed, &len); + break; + + case USB_DESC_TYPE_CONFIGURATION: + if (pdev->dev_speed == USBD_SPEED_HIGH) + { +#ifdef USE_USBD_COMPOSITE + if ((uint8_t)(pdev->NumClasses) > 0U) + { + pbuf = (uint8_t *)USBD_CMPSIT.GetHSConfigDescriptor(&len); + } + else +#endif /* USE_USBD_COMPOSITE */ + { + pbuf = (uint8_t *)pdev->pClass[0]->GetHSConfigDescriptor(&len); + } + pbuf[1] = USB_DESC_TYPE_CONFIGURATION; + } + else + { +#ifdef USE_USBD_COMPOSITE + if ((uint8_t)(pdev->NumClasses) > 0U) + { + pbuf = (uint8_t *)USBD_CMPSIT.GetFSConfigDescriptor(&len); + } + else +#endif /* USE_USBD_COMPOSITE */ + { + pbuf = (uint8_t *)pdev->pClass[0]->GetFSConfigDescriptor(&len); + } + pbuf[1] = USB_DESC_TYPE_CONFIGURATION; + } + break; + + case USB_DESC_TYPE_STRING: + switch ((uint8_t)(req->wValue)) + { + case USBD_IDX_LANGID_STR: + if (pdev->pDesc->GetLangIDStrDescriptor != NULL) + { + pbuf = pdev->pDesc->GetLangIDStrDescriptor(pdev->dev_speed, &len); + } + else + { + USBD_CtlError(pdev, req); + err++; + } + break; + + case USBD_IDX_MFC_STR: + if (pdev->pDesc->GetManufacturerStrDescriptor != NULL) + { + pbuf = pdev->pDesc->GetManufacturerStrDescriptor(pdev->dev_speed, &len); + } + else + { + USBD_CtlError(pdev, req); + err++; + } + break; + + case USBD_IDX_PRODUCT_STR: + if (pdev->pDesc->GetProductStrDescriptor != NULL) + { + pbuf = pdev->pDesc->GetProductStrDescriptor(pdev->dev_speed, &len); + } + else + { + USBD_CtlError(pdev, req); + err++; + } + break; + + case USBD_IDX_SERIAL_STR: + if (pdev->pDesc->GetSerialStrDescriptor != NULL) + { + pbuf = pdev->pDesc->GetSerialStrDescriptor(pdev->dev_speed, &len); + } + else + { + USBD_CtlError(pdev, req); + err++; + } + break; + + case USBD_IDX_CONFIG_STR: + if (pdev->pDesc->GetConfigurationStrDescriptor != NULL) + { + pbuf = pdev->pDesc->GetConfigurationStrDescriptor(pdev->dev_speed, &len); + } + else + { + USBD_CtlError(pdev, req); + err++; + } + break; + + case USBD_IDX_INTERFACE_STR: + if (pdev->pDesc->GetInterfaceStrDescriptor != NULL) + { + pbuf = pdev->pDesc->GetInterfaceStrDescriptor(pdev->dev_speed, &len); + } + else + { + USBD_CtlError(pdev, req); + err++; + } + break; + + default: +#if (USBD_SUPPORT_USER_STRING_DESC == 1U) + pbuf = NULL; + + for (uint32_t idx = 0U; (idx < pdev->NumClasses); idx++) + { + if (pdev->pClass[idx]->GetUsrStrDescriptor != NULL) + { + pdev->classId = idx; + pbuf = pdev->pClass[idx]->GetUsrStrDescriptor(pdev, LOBYTE(req->wValue), &len); + + if (pbuf == NULL) /* This means that no class recognized the string index */ + { + continue; + } + else + { + break; + } + } + } +#endif /* USBD_SUPPORT_USER_STRING_DESC */ + +#if (USBD_CLASS_USER_STRING_DESC == 1U) + if (pdev->pDesc->GetUserStrDescriptor != NULL) + { + pbuf = pdev->pDesc->GetUserStrDescriptor(pdev->dev_speed, LOBYTE(req->wValue), &len); + } + else + { + USBD_CtlError(pdev, req); + err++; + } +#endif /* USBD_SUPPORT_USER_STRING_DESC */ + +#if ((USBD_CLASS_USER_STRING_DESC == 0U) && (USBD_SUPPORT_USER_STRING_DESC == 0U)) + USBD_CtlError(pdev, req); + err++; +#endif /* (USBD_CLASS_USER_STRING_DESC == 0U) && (USBD_SUPPORT_USER_STRING_DESC == 0U) */ + break; + } + break; + + case USB_DESC_TYPE_DEVICE_QUALIFIER: + if (pdev->dev_speed == USBD_SPEED_HIGH) + { +#ifdef USE_USBD_COMPOSITE + if ((uint8_t)(pdev->NumClasses) > 0U) + { + pbuf = (uint8_t *)USBD_CMPSIT.GetDeviceQualifierDescriptor(&len); + } + else +#endif /* USE_USBD_COMPOSITE */ + { + pbuf = (uint8_t *)pdev->pClass[0]->GetDeviceQualifierDescriptor(&len); + } + } + else + { + USBD_CtlError(pdev, req); + err++; + } + break; + + case USB_DESC_TYPE_OTHER_SPEED_CONFIGURATION: + if (pdev->dev_speed == USBD_SPEED_HIGH) + { +#ifdef USE_USBD_COMPOSITE + if ((uint8_t)(pdev->NumClasses) > 0U) + { + pbuf = (uint8_t *)USBD_CMPSIT.GetOtherSpeedConfigDescriptor(&len); + } + else +#endif /* USE_USBD_COMPOSITE */ + { + pbuf = (uint8_t *)pdev->pClass[0]->GetOtherSpeedConfigDescriptor(&len); + } + pbuf[1] = USB_DESC_TYPE_OTHER_SPEED_CONFIGURATION; + } + else + { + USBD_CtlError(pdev, req); + err++; + } + break; + + default: + USBD_CtlError(pdev, req); + err++; + break; + } + + if (err != 0U) + { + return; + } + + if (req->wLength != 0U) + { + if (len != 0U) + { + len = MIN(len, req->wLength); + (void)USBD_CtlSendData(pdev, pbuf, len); + } + else + { + USBD_CtlError(pdev, req); + } + } + else + { + (void)USBD_CtlSendStatus(pdev); + } +} + + +/** + * @brief USBD_SetAddress + * Set device address + * @param pdev: device instance + * @param req: usb request + * @retval None + */ +static void USBD_SetAddress(USBD_HandleTypeDef *pdev, USBD_SetupReqTypedef *req) +{ + uint8_t dev_addr; + + if ((req->wIndex == 0U) && (req->wLength == 0U) && (req->wValue < 128U)) + { + dev_addr = (uint8_t)(req->wValue) & 0x7FU; + + if (pdev->dev_state == USBD_STATE_CONFIGURED) + { + USBD_CtlError(pdev, req); + } + else + { + pdev->dev_address = dev_addr; + (void)USBD_LL_SetUSBAddress(pdev, dev_addr); + (void)USBD_CtlSendStatus(pdev); + + if (dev_addr != 0U) + { + pdev->dev_state = USBD_STATE_ADDRESSED; + } + else + { + pdev->dev_state = USBD_STATE_DEFAULT; + } + } + } + else + { + USBD_CtlError(pdev, req); + } +} + +/** + * @brief USBD_SetConfig + * Handle Set device configuration request + * @param pdev: device instance + * @param req: usb request + * @retval status + */ +static USBD_StatusTypeDef USBD_SetConfig(USBD_HandleTypeDef *pdev, USBD_SetupReqTypedef *req) +{ + USBD_StatusTypeDef ret = USBD_OK; + static uint8_t cfgidx; + + cfgidx = (uint8_t)(req->wValue); + + if (cfgidx > USBD_MAX_NUM_CONFIGURATION) + { + USBD_CtlError(pdev, req); + return USBD_FAIL; + } + + switch (pdev->dev_state) + { + case USBD_STATE_ADDRESSED: + if (cfgidx != 0U) + { + pdev->dev_config = cfgidx; + + ret = USBD_SetClassConfig(pdev, cfgidx); + + if (ret != USBD_OK) + { + USBD_CtlError(pdev, req); + pdev->dev_state = USBD_STATE_ADDRESSED; + } + else + { + (void)USBD_CtlSendStatus(pdev); + pdev->dev_state = USBD_STATE_CONFIGURED; + +#if (USBD_USER_REGISTER_CALLBACK == 1U) + if (pdev->DevStateCallback != NULL) + { + pdev->DevStateCallback(USBD_STATE_CONFIGURED, cfgidx); + } +#endif /* USBD_USER_REGISTER_CALLBACK */ + } + } + else + { + (void)USBD_CtlSendStatus(pdev); + } + break; + + case USBD_STATE_CONFIGURED: + if (cfgidx == 0U) + { + pdev->dev_state = USBD_STATE_ADDRESSED; + pdev->dev_config = cfgidx; + (void)USBD_ClrClassConfig(pdev, cfgidx); + (void)USBD_CtlSendStatus(pdev); + } + else if (cfgidx != pdev->dev_config) + { + /* Clear old configuration */ + (void)USBD_ClrClassConfig(pdev, (uint8_t)pdev->dev_config); + + /* set new configuration */ + pdev->dev_config = cfgidx; + + ret = USBD_SetClassConfig(pdev, cfgidx); + + if (ret != USBD_OK) + { + USBD_CtlError(pdev, req); + (void)USBD_ClrClassConfig(pdev, (uint8_t)pdev->dev_config); + pdev->dev_state = USBD_STATE_ADDRESSED; + } + else + { + (void)USBD_CtlSendStatus(pdev); + } + } + else + { + (void)USBD_CtlSendStatus(pdev); + } + break; + + default: + USBD_CtlError(pdev, req); + (void)USBD_ClrClassConfig(pdev, cfgidx); + ret = USBD_FAIL; + break; + } + + return ret; +} + +/** + * @brief USBD_GetConfig + * Handle Get device configuration request + * @param pdev: device instance + * @param req: usb request + * @retval None + */ +static void USBD_GetConfig(USBD_HandleTypeDef *pdev, USBD_SetupReqTypedef *req) +{ + if (req->wLength != 1U) + { + USBD_CtlError(pdev, req); + } + else + { + switch (pdev->dev_state) + { + case USBD_STATE_DEFAULT: + case USBD_STATE_ADDRESSED: + pdev->dev_default_config = 0U; + (void)USBD_CtlSendData(pdev, (uint8_t *)&pdev->dev_default_config, 1U); + break; + + case USBD_STATE_CONFIGURED: + (void)USBD_CtlSendData(pdev, (uint8_t *)&pdev->dev_config, 1U); + break; + + default: + USBD_CtlError(pdev, req); + break; + } + } +} + +/** + * @brief USBD_GetStatus + * Handle Get Status request + * @param pdev: device instance + * @param req: usb request + * @retval None + */ +static void USBD_GetStatus(USBD_HandleTypeDef *pdev, USBD_SetupReqTypedef *req) +{ + switch (pdev->dev_state) + { + case USBD_STATE_DEFAULT: + case USBD_STATE_ADDRESSED: + case USBD_STATE_CONFIGURED: + if (req->wLength != 0x2U) + { + USBD_CtlError(pdev, req); + break; + } + +#if (USBD_SELF_POWERED == 1U) + pdev->dev_config_status = USB_CONFIG_SELF_POWERED; +#else + pdev->dev_config_status = 0U; +#endif /* USBD_SELF_POWERED */ + + if (pdev->dev_remote_wakeup != 0U) + { + pdev->dev_config_status |= USB_CONFIG_REMOTE_WAKEUP; + } + + (void)USBD_CtlSendData(pdev, (uint8_t *)&pdev->dev_config_status, 2U); + break; + + default: + USBD_CtlError(pdev, req); + break; + } +} + + +/** + * @brief USBD_SetFeature + * Handle Set device feature request + * @param pdev: device instance + * @param req: usb request + * @retval None + */ +static void USBD_SetFeature(USBD_HandleTypeDef *pdev, USBD_SetupReqTypedef *req) +{ + if (req->wValue == USB_FEATURE_REMOTE_WAKEUP) + { + pdev->dev_remote_wakeup = 1U; + (void)USBD_CtlSendStatus(pdev); + } + else if (req->wValue == USB_FEATURE_TEST_MODE) + { + pdev->dev_test_mode = (uint8_t)(req->wIndex >> 8); + (void)USBD_CtlSendStatus(pdev); + } + else + { + USBD_CtlError(pdev, req); + } +} + + +/** + * @brief USBD_ClrFeature + * Handle clear device feature request + * @param pdev: device instance + * @param req: usb request + * @retval None + */ +static void USBD_ClrFeature(USBD_HandleTypeDef *pdev, USBD_SetupReqTypedef *req) +{ + switch (pdev->dev_state) + { + case USBD_STATE_DEFAULT: + case USBD_STATE_ADDRESSED: + case USBD_STATE_CONFIGURED: + if (req->wValue == USB_FEATURE_REMOTE_WAKEUP) + { + pdev->dev_remote_wakeup = 0U; + (void)USBD_CtlSendStatus(pdev); + } + break; + + default: + USBD_CtlError(pdev, req); + break; + } +} + + +/** + * @brief USBD_ParseSetupRequest + * Copy buffer into setup structure + * @param req: usb request + * @param pdata: setup data pointer + * @retval None + */ +void USBD_ParseSetupRequest(USBD_SetupReqTypedef *req, uint8_t *pdata) +{ + uint8_t *pbuff = pdata; + + req->bmRequest = *(uint8_t *)(pbuff); + + pbuff++; + req->bRequest = *(uint8_t *)(pbuff); + + pbuff++; + req->wValue = SWAPBYTE(pbuff); + + pbuff++; + pbuff++; + req->wIndex = SWAPBYTE(pbuff); + + pbuff++; + pbuff++; + req->wLength = SWAPBYTE(pbuff); +} + + +/** + * @brief USBD_CtlError + * Handle USB low level Error + * @param pdev: device instance + * @param req: usb request + * @retval None + */ +void USBD_CtlError(USBD_HandleTypeDef *pdev, USBD_SetupReqTypedef *req) +{ + UNUSED(req); + + (void)USBD_LL_StallEP(pdev, 0x80U); + (void)USBD_LL_StallEP(pdev, 0U); +} + + +/** + * @brief USBD_GetString + * Convert Ascii string into unicode one + * @param desc : descriptor buffer + * @param unicode : Formatted string buffer (unicode) + * @param len : descriptor length + * @retval None + */ +void USBD_GetString(uint8_t *desc, uint8_t *unicode, uint16_t *len) +{ + uint8_t idx = 0U; + uint8_t *pdesc; + + if (desc == NULL) + { + return; + } + + pdesc = desc; + *len = MIN(USBD_MAX_STR_DESC_SIZ, ((uint16_t)USBD_GetLen(pdesc) * 2U) + 2U); + + unicode[idx] = *(uint8_t *)len; + idx++; + unicode[idx] = USB_DESC_TYPE_STRING; + idx++; + + while (*pdesc != (uint8_t)'\0') + { + unicode[idx] = *pdesc; + pdesc++; + idx++; + + unicode[idx] = 0U; + idx++; + } +} + + +/** + * @brief USBD_GetLen + * return the string length + * @param buf : pointer to the ascii string buffer + * @retval string length + */ +static uint8_t USBD_GetLen(uint8_t *buf) +{ + uint8_t len = 0U; + uint8_t *pbuff = buf; + + while (*pbuff != (uint8_t)'\0') + { + len++; + pbuff++; + } + + return len; +} +/** + * @} + */ + + +/** + * @} + */ + + +/** + * @} + */ + diff --git a/Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_ioreq.c b/Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_ioreq.c new file mode 100644 index 0000000..7c8004a --- /dev/null +++ b/Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_ioreq.c @@ -0,0 +1,224 @@ +/** + ****************************************************************************** + * @file usbd_ioreq.c + * @author MCD Application Team + * @brief This file provides the IO requests APIs for control endpoints. + ****************************************************************************** + * @attention + * + * Copyright (c) 2015 STMicroelectronics. + * All rights reserved. + * + * This software is licensed under terms that can be found in the LICENSE file + * in the root directory of this software component. + * If no LICENSE file comes with this software, it is provided AS-IS. + * + ****************************************************************************** + */ + +/* Includes ------------------------------------------------------------------*/ +#include "usbd_ioreq.h" + +/** @addtogroup STM32_USB_DEVICE_LIBRARY + * @{ + */ + + +/** @defgroup USBD_IOREQ + * @brief control I/O requests module + * @{ + */ + +/** @defgroup USBD_IOREQ_Private_TypesDefinitions + * @{ + */ +/** + * @} + */ + + +/** @defgroup USBD_IOREQ_Private_Defines + * @{ + */ + +/** + * @} + */ + + +/** @defgroup USBD_IOREQ_Private_Macros + * @{ + */ +/** + * @} + */ + + +/** @defgroup USBD_IOREQ_Private_Variables + * @{ + */ + +/** + * @} + */ + + +/** @defgroup USBD_IOREQ_Private_FunctionPrototypes + * @{ + */ +/** + * @} + */ + + +/** @defgroup USBD_IOREQ_Private_Functions + * @{ + */ + +/** + * @brief USBD_CtlSendData + * send data on the ctl pipe + * @param pdev: device instance + * @param buff: pointer to data buffer + * @param len: length of data to be sent + * @retval status + */ +USBD_StatusTypeDef USBD_CtlSendData(USBD_HandleTypeDef *pdev, + uint8_t *pbuf, uint32_t len) +{ + /* Set EP0 State */ + pdev->ep0_state = USBD_EP0_DATA_IN; + pdev->ep_in[0].total_length = len; + +#ifdef USBD_AVOID_PACKET_SPLIT_MPS + pdev->ep_in[0].rem_length = 0U; +#else + pdev->ep_in[0].rem_length = len; +#endif /* USBD_AVOID_PACKET_SPLIT_MPS */ + + /* Start the transfer */ + (void)USBD_LL_Transmit(pdev, 0x00U, pbuf, len); + + return USBD_OK; +} + +/** + * @brief USBD_CtlContinueSendData + * continue sending data on the ctl pipe + * @param pdev: device instance + * @param buff: pointer to data buffer + * @param len: length of data to be sent + * @retval status + */ +USBD_StatusTypeDef USBD_CtlContinueSendData(USBD_HandleTypeDef *pdev, + uint8_t *pbuf, uint32_t len) +{ + /* Start the next transfer */ + (void)USBD_LL_Transmit(pdev, 0x00U, pbuf, len); + + return USBD_OK; +} + +/** + * @brief USBD_CtlPrepareRx + * receive data on the ctl pipe + * @param pdev: device instance + * @param buff: pointer to data buffer + * @param len: length of data to be received + * @retval status + */ +USBD_StatusTypeDef USBD_CtlPrepareRx(USBD_HandleTypeDef *pdev, + uint8_t *pbuf, uint32_t len) +{ + /* Set EP0 State */ + pdev->ep0_state = USBD_EP0_DATA_OUT; + pdev->ep_out[0].total_length = len; + +#ifdef USBD_AVOID_PACKET_SPLIT_MPS + pdev->ep_out[0].rem_length = 0U; +#else + pdev->ep_out[0].rem_length = len; +#endif /* USBD_AVOID_PACKET_SPLIT_MPS */ + + /* Start the transfer */ + (void)USBD_LL_PrepareReceive(pdev, 0U, pbuf, len); + + return USBD_OK; +} + +/** + * @brief USBD_CtlContinueRx + * continue receive data on the ctl pipe + * @param pdev: device instance + * @param buff: pointer to data buffer + * @param len: length of data to be received + * @retval status + */ +USBD_StatusTypeDef USBD_CtlContinueRx(USBD_HandleTypeDef *pdev, + uint8_t *pbuf, uint32_t len) +{ + (void)USBD_LL_PrepareReceive(pdev, 0U, pbuf, len); + + return USBD_OK; +} + +/** + * @brief USBD_CtlSendStatus + * send zero lzngth packet on the ctl pipe + * @param pdev: device instance + * @retval status + */ +USBD_StatusTypeDef USBD_CtlSendStatus(USBD_HandleTypeDef *pdev) +{ + /* Set EP0 State */ + pdev->ep0_state = USBD_EP0_STATUS_IN; + + /* Start the transfer */ + (void)USBD_LL_Transmit(pdev, 0x00U, NULL, 0U); + + return USBD_OK; +} + +/** + * @brief USBD_CtlReceiveStatus + * receive zero lzngth packet on the ctl pipe + * @param pdev: device instance + * @retval status + */ +USBD_StatusTypeDef USBD_CtlReceiveStatus(USBD_HandleTypeDef *pdev) +{ + /* Set EP0 State */ + pdev->ep0_state = USBD_EP0_STATUS_OUT; + + /* Start the transfer */ + (void)USBD_LL_PrepareReceive(pdev, 0U, NULL, 0U); + + return USBD_OK; +} + +/** + * @brief USBD_GetRxCount + * returns the received data length + * @param pdev: device instance + * @param ep_addr: endpoint address + * @retval Rx Data blength + */ +uint32_t USBD_GetRxCount(USBD_HandleTypeDef *pdev, uint8_t ep_addr) +{ + return USBD_LL_GetRxDataSize(pdev, ep_addr); +} + +/** + * @} + */ + + +/** + * @} + */ + + +/** + * @} + */ + diff --git a/Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/LICENSE.txt b/Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/LICENSE.txt new file mode 100644 index 0000000..e66295c --- /dev/null +++ b/Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/LICENSE.txt @@ -0,0 +1,86 @@ +This software component is provided to you as part of a software package and +applicable license terms are in the Package_license file. If you received this +software component outside of a package or without applicable license terms, +the terms of the SLA0044 license shall apply and are fully reproduced below: + +SLA0044 Rev5/February 2018 + +Software license agreement + +ULTIMATE LIBERTY SOFTWARE LICENSE AGREEMENT + +BY INSTALLING, COPYING, DOWNLOADING, ACCESSING OR OTHERWISE USING THIS SOFTWARE +OR ANY PART THEREOF (AND THE RELATED DOCUMENTATION) FROM STMICROELECTRONICS +INTERNATIONAL N.V, SWISS BRANCH AND/OR ITS AFFILIATED COMPANIES +(STMICROELECTRONICS), THE RECIPIENT, ON BEHALF OF HIMSELF OR HERSELF, OR ON +BEHALF OF ANY ENTITY BY WHICH SUCH RECIPIENT IS EMPLOYED AND/OR ENGAGED AGREES +TO BE BOUND BY THIS SOFTWARE LICENSE AGREEMENT. + +Under STMicroelectronics’ intellectual property rights, the redistribution, +reproduction and use in source and binary forms of the software or any part +thereof, with or without modification, are permitted provided that the following +conditions are met: + +1. Redistribution of source code (modified or not) must retain any copyright +notice, this list of conditions and the disclaimer set forth below as items 10 +and 11. + +2. Redistributions in binary form, except as embedded into microcontroller or +microprocessor device manufactured by or for STMicroelectronics or a software +update for such device, must reproduce any copyright notice provided with the +binary code, this list of conditions, and the disclaimer set forth below as +items 10 and 11, in documentation and/or other materials provided with the +distribution. + +3. Neither the name of STMicroelectronics nor the names of other contributors to +this software may be used to endorse or promote products derived from this +software or part thereof without specific written permission. + +4. This software or any part thereof, including modifications and/or derivative +works of this software, must be used and execute solely and exclusively on or in +combination with a microcontroller or microprocessor device manufactured by or +for STMicroelectronics. + +5. No use, reproduction or redistribution of this software partially or totally +may be done in any manner that would subject this software to any Open Source +Terms. “Open Source Terms” shall mean any open source license which requires as +part of distribution of software that the source code of such software is +distributed therewith or otherwise made available, or open source license that +substantially complies with the Open Source definition specified at +www.opensource.org and any other comparable open source license such as for +example GNU General Public License (GPL), Eclipse Public License (EPL), Apache +Software License, BSD license or MIT license. + +6. STMicroelectronics has no obligation to provide any maintenance, support or +updates for the software. + +7. The software is and will remain the exclusive property of STMicroelectronics +and its licensors. The recipient will not take any action that jeopardizes +STMicroelectronics and its licensors' proprietary rights or acquire any rights +in the software, except the limited rights specified hereunder. + +8. The recipient shall comply with all applicable laws and regulations affecting +the use of the software or any part thereof including any applicable export +control law or regulation. + +9. Redistribution and use of this software or any part thereof other than as +permitted under this license is void and will automatically terminate your +rights under this license. + +10. THIS SOFTWARE IS PROVIDED BY STMICROELECTRONICS AND CONTRIBUTORS "AS IS" AND +ANY EXPRESS, IMPLIED OR STATUTORY WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +NON-INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY RIGHTS, WHICH ARE +DISCLAIMED TO THE FULLEST EXTENT PERMITTED BY LAW. IN NO EVENT SHALL +STMICROELECTRONICS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, +INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR +PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF +LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE +OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF +ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +11. EXCEPT AS EXPRESSLY PERMITTED HEREUNDER, NO LICENSE OR OTHER RIGHTS, WHETHER +EXPRESS OR IMPLIED, ARE GRANTED UNDER ANY PATENT OR OTHER INTELLECTUAL PROPERTY +RIGHTS OF STMICROELECTRONICS OR ANY THIRD PARTY. + diff --git a/Ganesha_II_V2/STM32H743XX_FLASH.ld b/Ganesha_II_V2/STM32H743XX_FLASH.ld new file mode 100644 index 0000000..102cb8d --- /dev/null +++ b/Ganesha_II_V2/STM32H743XX_FLASH.ld @@ -0,0 +1,211 @@ +/* +****************************************************************************** +** + +** File : LinkerScript.ld +** +** Author : STM32CubeMX +** +** Abstract : Linker script for STM32H743VITx series +** 2048Kbytes FLASH and 1056Kbytes RAM +** +** Set heap size, stack size and stack location according +** to application requirements. +** +** Set memory bank area and size if external memory is used. +** +** Target : STMicroelectronics STM32 +** +** Distribution: The file is distributed “as is,” without any warranty +** of any kind. +** +***************************************************************************** +** @attention +** +**

© COPYRIGHT(c) 2025 STMicroelectronics

+** +** Redistribution and use in source and binary forms, with or without modification, +** are permitted provided that the following conditions are met: +** 1. Redistributions of source code must retain the above copyright notice, +** this list of conditions and the following disclaimer. +** 2. Redistributions in binary form must reproduce the above copyright notice, +** this list of conditions and the following disclaimer in the documentation +** and/or other materials provided with the distribution. +** 3. Neither the name of STMicroelectronics nor the names of its contributors +** may be used to endorse or promote products derived from this software +** without specific prior written permission. +** +** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" +** AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +** IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE +** DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE +** FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +** DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR +** SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER +** CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, +** OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +** +***************************************************************************** +*/ + +/* Entry Point */ +ENTRY(Reset_Handler) + +/* Highest address of the user mode stack */ +_estack = ORIGIN(DTCMRAM) + LENGTH(DTCMRAM); /* end of RAM */ +/* Generate a link error if heap and stack don't fit into RAM */ +_Min_Heap_Size = 0x200; /* required amount of heap */ +_Min_Stack_Size = 0x400; /* required amount of stack */ + +/* Specify the memory areas */ +MEMORY +{ +DTCMRAM (xrw) : ORIGIN = 0x20000000, LENGTH = 128K +RAM (xrw) : ORIGIN = 0x24000000, LENGTH = 512K +RAM_D2 (xrw) : ORIGIN = 0x30000000, LENGTH = 288K +RAM_D3 (xrw) : ORIGIN = 0x38000000, LENGTH = 64K +ITCMRAM (xrw) : ORIGIN = 0x00000000, LENGTH = 64K +FLASH (rx) : ORIGIN = 0x8000000, LENGTH = 2048K +} + +/* Define output sections */ +SECTIONS +{ + /* The startup code goes first into FLASH */ + .isr_vector : + { + . = ALIGN(4); + KEEP(*(.isr_vector)) /* Startup code */ + . = ALIGN(4); + } >FLASH + + /* The program code and other data goes into FLASH */ + .text : + { + . = ALIGN(4); + *(.text) /* .text sections (code) */ + *(.text*) /* .text* sections (code) */ + *(.glue_7) /* glue arm to thumb code */ + *(.glue_7t) /* glue thumb to arm code */ + *(.eh_frame) + + KEEP (*(.init)) + KEEP (*(.fini)) + + . = ALIGN(4); + _etext = .; /* define a global symbols at end of code */ + } >FLASH + + /* Constant data goes into FLASH */ + .rodata : + { + . = ALIGN(4); + *(.rodata) /* .rodata sections (constants, strings, etc.) */ + *(.rodata*) /* .rodata* sections (constants, strings, etc.) */ + . = ALIGN(4); + } >FLASH + + .ARM.extab (READONLY) : /* The "READONLY" keyword is only supported in GCC11 and later, remove it if using GCC10 or earlier. */ + { + . = ALIGN(4); + *(.ARM.extab* .gnu.linkonce.armextab.*) + . = ALIGN(4); + } >FLASH + + .ARM (READONLY) : /* The "READONLY" keyword is only supported in GCC11 and later, remove it if using GCC10 or earlier. */ + { + . = ALIGN(4); + __exidx_start = .; + *(.ARM.exidx*) + __exidx_end = .; + . = ALIGN(4); + } >FLASH + + .preinit_array (READONLY) : /* The "READONLY" keyword is only supported in GCC11 and later, remove it if using GCC10 or earlier. */ + { + . = ALIGN(4); + PROVIDE_HIDDEN (__preinit_array_start = .); + KEEP (*(.preinit_array*)) + PROVIDE_HIDDEN (__preinit_array_end = .); + . = ALIGN(4); + } >FLASH + + .init_array (READONLY) : /* The "READONLY" keyword is only supported in GCC11 and later, remove it if using GCC10 or earlier. */ + { + . = ALIGN(4); + PROVIDE_HIDDEN (__init_array_start = .); + KEEP (*(SORT(.init_array.*))) + KEEP (*(.init_array*)) + PROVIDE_HIDDEN (__init_array_end = .); + . = ALIGN(4); + } >FLASH + + .fini_array (READONLY) : /* The "READONLY" keyword is only supported in GCC11 and later, remove it if using GCC10 or earlier. */ + { + . = ALIGN(4); + PROVIDE_HIDDEN (__fini_array_start = .); + KEEP (*(SORT(.fini_array.*))) + KEEP (*(.fini_array*)) + PROVIDE_HIDDEN (__fini_array_end = .); + . = ALIGN(4); + } >FLASH + + /* used by the startup to initialize data */ + _sidata = LOADADDR(.data); + + /* Initialized data sections goes into RAM, load LMA copy after code */ + .data : + { + . = ALIGN(4); + _sdata = .; /* create a global symbol at data start */ + *(.data) /* .data sections */ + *(.data*) /* .data* sections */ + *(.RamFunc) /* .RamFunc sections */ + *(.RamFunc*) /* .RamFunc* sections */ + + . = ALIGN(4); + _edata = .; /* define a global symbol at data end */ + } >DTCMRAM AT> FLASH + + + /* Uninitialized data section */ + . = ALIGN(4); + .bss : + { + /* This is used by the startup in order to initialize the .bss secion */ + _sbss = .; /* define a global symbol at bss start */ + __bss_start__ = _sbss; + *(.bss) + *(.bss*) + *(COMMON) + + . = ALIGN(4); + _ebss = .; /* define a global symbol at bss end */ + __bss_end__ = _ebss; + } >DTCMRAM + + /* User_heap_stack section, used to check that there is enough RAM left */ + ._user_heap_stack : + { + . = ALIGN(8); + PROVIDE ( end = . ); + PROVIDE ( _end = . ); + . = . + _Min_Heap_Size; + . = . + _Min_Stack_Size; + . = ALIGN(8); + } >DTCMRAM + + + + /* Remove information from the standard libraries */ + /DISCARD/ : + { + libc.a ( * ) + libm.a ( * ) + libgcc.a ( * ) + } + +} + + diff --git a/Ganesha_II_V2/USB_DEVICE/App/usb_device.c b/Ganesha_II_V2/USB_DEVICE/App/usb_device.c new file mode 100644 index 0000000..1e7d63e --- /dev/null +++ b/Ganesha_II_V2/USB_DEVICE/App/usb_device.c @@ -0,0 +1,101 @@ +/* USER CODE BEGIN Header */ +/** + ****************************************************************************** + * @file : usb_device.c + * @version : v1.0_Cube + * @brief : This file implements the USB Device + ****************************************************************************** + * @attention + * + * Copyright (c) 2026 STMicroelectronics. + * All rights reserved. + * + * This software is licensed under terms that can be found in the LICENSE file + * in the root directory of this software component. + * If no LICENSE file comes with this software, it is provided AS-IS. + * + ****************************************************************************** + */ +/* USER CODE END Header */ + +/* Includes ------------------------------------------------------------------*/ + +#include "usb_device.h" +#include "usbd_core.h" +#include "usbd_desc.h" +#include "usbd_msc.h" +#include "usbd_storage_if.h" + +/* USER CODE BEGIN Includes */ + +/* USER CODE END Includes */ + +/* USER CODE BEGIN PV */ +/* Private variables ---------------------------------------------------------*/ + +/* USER CODE END PV */ + +/* USER CODE BEGIN PFP */ +/* Private function prototypes -----------------------------------------------*/ + +/* USER CODE END PFP */ + +/* USB Device Core handle declaration. */ +USBD_HandleTypeDef hUsbDeviceFS; + +/* + * -- Insert your variables declaration here -- + */ +/* USER CODE BEGIN 0 */ + +/* USER CODE END 0 */ + +/* + * -- Insert your external function declaration here -- + */ +/* USER CODE BEGIN 1 */ + +/* USER CODE END 1 */ + +/** + * Init USB device Library, add supported class and start the library + * @retval None + */ +void MX_USB_DEVICE_Init(void) +{ + /* USER CODE BEGIN USB_DEVICE_Init_PreTreatment */ + + /* USER CODE END USB_DEVICE_Init_PreTreatment */ + + /* Init Device Library, add supported class and start the library. */ + if (USBD_Init(&hUsbDeviceFS, &FS_Desc, DEVICE_FS) != USBD_OK) + { + Error_Handler(); + } + if (USBD_RegisterClass(&hUsbDeviceFS, &USBD_MSC) != USBD_OK) + { + Error_Handler(); + } + if (USBD_MSC_RegisterStorage(&hUsbDeviceFS, &USBD_Storage_Interface_fops_FS) != USBD_OK) + { + Error_Handler(); + } + if (USBD_Start(&hUsbDeviceFS) != USBD_OK) + { + Error_Handler(); + } + + /* USER CODE BEGIN USB_DEVICE_Init_PostTreatment */ + HAL_PWREx_EnableUSBVoltageDetector(); + + /* USER CODE END USB_DEVICE_Init_PostTreatment */ +} + +/** + * @} + */ + +/** + * @} + */ + diff --git a/Ganesha_II_V2/USB_DEVICE/App/usb_device.h b/Ganesha_II_V2/USB_DEVICE/App/usb_device.h new file mode 100644 index 0000000..b7e1b20 --- /dev/null +++ b/Ganesha_II_V2/USB_DEVICE/App/usb_device.h @@ -0,0 +1,102 @@ +/* USER CODE BEGIN Header */ +/** + ****************************************************************************** + * @file : usb_device.h + * @version : v1.0_Cube + * @brief : Header for usb_device.c file. + ****************************************************************************** + * @attention + * + * Copyright (c) 2026 STMicroelectronics. + * All rights reserved. + * + * This software is licensed under terms that can be found in the LICENSE file + * in the root directory of this software component. + * If no LICENSE file comes with this software, it is provided AS-IS. + * + ****************************************************************************** + */ +/* USER CODE END Header */ + +/* Define to prevent recursive inclusion -------------------------------------*/ +#ifndef __USB_DEVICE__H__ +#define __USB_DEVICE__H__ + +#ifdef __cplusplus + extern "C" { +#endif + +/* Includes ------------------------------------------------------------------*/ +#include "stm32h7xx.h" +#include "stm32h7xx_hal.h" +#include "usbd_def.h" + +/* USER CODE BEGIN INCLUDE */ + +/* USER CODE END INCLUDE */ + +/** @addtogroup USBD_OTG_DRIVER + * @{ + */ + +/** @defgroup USBD_DEVICE USBD_DEVICE + * @brief Device file for Usb otg low level driver. + * @{ + */ + +/** @defgroup USBD_DEVICE_Exported_Variables USBD_DEVICE_Exported_Variables + * @brief Public variables. + * @{ + */ + +/* Private variables ---------------------------------------------------------*/ +/* USER CODE BEGIN PV */ + +/* USER CODE END PV */ + +/* Private function prototypes -----------------------------------------------*/ +/* USER CODE BEGIN PFP */ + +/* USER CODE END PFP */ + +/* + * -- Insert your variables declaration here -- + */ +/* USER CODE BEGIN VARIABLES */ + +/* USER CODE END VARIABLES */ +/** + * @} + */ + +/** @defgroup USBD_DEVICE_Exported_FunctionsPrototype USBD_DEVICE_Exported_FunctionsPrototype + * @brief Declaration of public functions for Usb device. + * @{ + */ + +/** USB Device initialization function. */ +void MX_USB_DEVICE_Init(void); + +/* + * -- Insert functions declaration here -- + */ +/* USER CODE BEGIN FD */ + +/* USER CODE END FD */ +/** + * @} + */ + +/** + * @} + */ + +/** + * @} + */ + +#ifdef __cplusplus +} +#endif + +#endif /* __USB_DEVICE__H__ */ diff --git a/Ganesha_II_V2/USB_DEVICE/App/usbd_desc.c b/Ganesha_II_V2/USB_DEVICE/App/usbd_desc.c new file mode 100644 index 0000000..73c9c2a --- /dev/null +++ b/Ganesha_II_V2/USB_DEVICE/App/usbd_desc.c @@ -0,0 +1,418 @@ +/* USER CODE BEGIN Header */ +/** + ****************************************************************************** + * @file : App/usbd_desc.c + * @version : v1.0_Cube + * @brief : This file implements the USB device descriptors. + ****************************************************************************** + * @attention + * + * Copyright (c) 2026 STMicroelectronics. + * All rights reserved. + * + * This software is licensed under terms that can be found in the LICENSE file + * in the root directory of this software component. + * If no LICENSE file comes with this software, it is provided AS-IS. + * + ****************************************************************************** + */ +/* USER CODE END Header */ + +/* Includes ------------------------------------------------------------------*/ +#include "usbd_core.h" +#include "usbd_desc.h" +#include "usbd_conf.h" + +/* USER CODE BEGIN INCLUDE */ + +/* USER CODE END INCLUDE */ + +/* Private typedef -----------------------------------------------------------*/ +/* Private define ------------------------------------------------------------*/ +/* Private macro -------------------------------------------------------------*/ + +/* USER CODE BEGIN PV */ +/* Private variables ---------------------------------------------------------*/ + +/* USER CODE END PV */ + +/** @addtogroup STM32_USB_OTG_DEVICE_LIBRARY + * @{ + */ + +/** @addtogroup USBD_DESC + * @{ + */ + +/** @defgroup USBD_DESC_Private_TypesDefinitions USBD_DESC_Private_TypesDefinitions + * @brief Private types. + * @{ + */ + +/* USER CODE BEGIN PRIVATE_TYPES */ + +/* USER CODE END PRIVATE_TYPES */ + +/** + * @} + */ + +/** @defgroup USBD_DESC_Private_Defines USBD_DESC_Private_Defines + * @brief Private defines. + * @{ + */ + +#define USBD_VID 1155 +#define USBD_LANGID_STRING 1033 +#define USBD_MANUFACTURER_STRING "STMicroelectronics" +#define USBD_PID_FS 22314 +#define USBD_PRODUCT_STRING_FS "STM32 Mass Storage" +#define USBD_CONFIGURATION_STRING_FS "MSC Config" +#define USBD_INTERFACE_STRING_FS "MSC Interface" + +#define USB_SIZ_BOS_DESC 0x0C + +/* USER CODE BEGIN PRIVATE_DEFINES */ + +/* USER CODE END PRIVATE_DEFINES */ + +/** + * @} + */ + +/* USER CODE BEGIN 0 */ + +/* USER CODE END 0 */ + +/** @defgroup USBD_DESC_Private_Macros USBD_DESC_Private_Macros + * @brief Private macros. + * @{ + */ + +/* USER CODE BEGIN PRIVATE_MACRO */ + +/* USER CODE END PRIVATE_MACRO */ + +/** + * @} + */ + +/** @defgroup USBD_DESC_Private_FunctionPrototypes USBD_DESC_Private_FunctionPrototypes + * @brief Private functions declaration. + * @{ + */ + +static void Get_SerialNum(void); +static void IntToUnicode(uint32_t value, uint8_t * pbuf, uint8_t len); + +/** + * @} + */ + +/** @defgroup USBD_DESC_Private_FunctionPrototypes USBD_DESC_Private_FunctionPrototypes + * @brief Private functions declaration for FS. + * @{ + */ + +uint8_t * USBD_FS_DeviceDescriptor(USBD_SpeedTypeDef speed, uint16_t *length); +uint8_t * USBD_FS_LangIDStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length); +uint8_t * USBD_FS_ManufacturerStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length); +uint8_t * USBD_FS_ProductStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length); +uint8_t * USBD_FS_SerialStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length); +uint8_t * USBD_FS_ConfigStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length); +uint8_t * USBD_FS_InterfaceStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length); + +/** + * @} + */ + +/** @defgroup USBD_DESC_Private_Variables USBD_DESC_Private_Variables + * @brief Private variables. + * @{ + */ + +USBD_DescriptorsTypeDef FS_Desc = +{ + USBD_FS_DeviceDescriptor +, USBD_FS_LangIDStrDescriptor +, USBD_FS_ManufacturerStrDescriptor +, USBD_FS_ProductStrDescriptor +, USBD_FS_SerialStrDescriptor +, USBD_FS_ConfigStrDescriptor +, USBD_FS_InterfaceStrDescriptor +}; + +#if defined ( __ICCARM__ ) /* IAR Compiler */ + #pragma data_alignment=4 +#endif /* defined ( __ICCARM__ ) */ +/** USB standard device descriptor. */ +__ALIGN_BEGIN uint8_t USBD_FS_DeviceDesc[USB_LEN_DEV_DESC] __ALIGN_END = +{ + 0x12, /*bLength */ + USB_DESC_TYPE_DEVICE, /*bDescriptorType*/ + 0x00, /*bcdUSB */ + 0x02, + 0x00, /*bDeviceClass*/ + 0x00, /*bDeviceSubClass*/ + 0x00, /*bDeviceProtocol*/ + USB_MAX_EP0_SIZE, /*bMaxPacketSize*/ + LOBYTE(USBD_VID), /*idVendor*/ + HIBYTE(USBD_VID), /*idVendor*/ + LOBYTE(USBD_PID_FS), /*idProduct*/ + HIBYTE(USBD_PID_FS), /*idProduct*/ + 0x00, /*bcdDevice rel. 2.00*/ + 0x02, + USBD_IDX_MFC_STR, /*Index of manufacturer string*/ + USBD_IDX_PRODUCT_STR, /*Index of product string*/ + USBD_IDX_SERIAL_STR, /*Index of serial number string*/ + USBD_MAX_NUM_CONFIGURATION /*bNumConfigurations*/ +}; + +/* USB_DeviceDescriptor */ +/** BOS descriptor. */ +#if (USBD_LPM_ENABLED == 1) +#if defined ( __ICCARM__ ) /* IAR Compiler */ + #pragma data_alignment=4 +#endif /* defined ( __ICCARM__ ) */ +__ALIGN_BEGIN uint8_t USBD_FS_BOSDesc[USB_SIZ_BOS_DESC] __ALIGN_END = +{ + 0x5, + USB_DESC_TYPE_BOS, + 0xC, + 0x0, + 0x1, /* 1 device capability*/ + /* device capability*/ + 0x7, + USB_DEVICE_CAPABITY_TYPE, + 0x2, + 0x2, /* LPM capability bit set*/ + 0x0, + 0x0, + 0x0 +}; +#endif /* (USBD_LPM_ENABLED == 1) */ + +/** + * @} + */ + +/** @defgroup USBD_DESC_Private_Variables USBD_DESC_Private_Variables + * @brief Private variables. + * @{ + */ + +#if defined ( __ICCARM__ ) /* IAR Compiler */ + #pragma data_alignment=4 +#endif /* defined ( __ICCARM__ ) */ + +/** USB lang identifier descriptor. */ +__ALIGN_BEGIN uint8_t USBD_LangIDDesc[USB_LEN_LANGID_STR_DESC] __ALIGN_END = +{ + USB_LEN_LANGID_STR_DESC, + USB_DESC_TYPE_STRING, + LOBYTE(USBD_LANGID_STRING), + HIBYTE(USBD_LANGID_STRING) +}; + +#if defined ( __ICCARM__ ) /* IAR Compiler */ + #pragma data_alignment=4 +#endif /* defined ( __ICCARM__ ) */ +/* Internal string descriptor. */ +__ALIGN_BEGIN uint8_t USBD_StrDesc[USBD_MAX_STR_DESC_SIZ] __ALIGN_END; + +#if defined ( __ICCARM__ ) /*!< IAR Compiler */ + #pragma data_alignment=4 +#endif +__ALIGN_BEGIN uint8_t USBD_StringSerial[USB_SIZ_STRING_SERIAL] __ALIGN_END = { + USB_SIZ_STRING_SERIAL, + USB_DESC_TYPE_STRING, +}; + +/** + * @} + */ + +/** @defgroup USBD_DESC_Private_Functions USBD_DESC_Private_Functions + * @brief Private functions. + * @{ + */ + +/** + * @brief Return the device descriptor + * @param speed : Current device speed + * @param length : Pointer to data length variable + * @retval Pointer to descriptor buffer + */ +uint8_t * USBD_FS_DeviceDescriptor(USBD_SpeedTypeDef speed, uint16_t *length) +{ + UNUSED(speed); + *length = sizeof(USBD_FS_DeviceDesc); + return USBD_FS_DeviceDesc; +} + +/** + * @brief Return the LangID string descriptor + * @param speed : Current device speed + * @param length : Pointer to data length variable + * @retval Pointer to descriptor buffer + */ +uint8_t * USBD_FS_LangIDStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length) +{ + UNUSED(speed); + *length = sizeof(USBD_LangIDDesc); + return USBD_LangIDDesc; +} + +/** + * @brief Return the product string descriptor + * @param speed : Current device speed + * @param length : Pointer to data length variable + * @retval Pointer to descriptor buffer + */ +uint8_t * USBD_FS_ProductStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length) +{ + if(speed == 0) + { + USBD_GetString((uint8_t *)USBD_PRODUCT_STRING_FS, USBD_StrDesc, length); + } + else + { + USBD_GetString((uint8_t *)USBD_PRODUCT_STRING_FS, USBD_StrDesc, length); + } + return USBD_StrDesc; +} + +/** + * @brief Return the manufacturer string descriptor + * @param speed : Current device speed + * @param length : Pointer to data length variable + * @retval Pointer to descriptor buffer + */ +uint8_t * USBD_FS_ManufacturerStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length) +{ + UNUSED(speed); + USBD_GetString((uint8_t *)USBD_MANUFACTURER_STRING, USBD_StrDesc, length); + return USBD_StrDesc; +} + +/** + * @brief Return the serial number string descriptor + * @param speed : Current device speed + * @param length : Pointer to data length variable + * @retval Pointer to descriptor buffer + */ +uint8_t * USBD_FS_SerialStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length) +{ + UNUSED(speed); + *length = USB_SIZ_STRING_SERIAL; + + /* Update the serial number string descriptor with the data from the unique + * ID */ + Get_SerialNum(); + /* USER CODE BEGIN USBD_FS_SerialStrDescriptor */ + + /* USER CODE END USBD_FS_SerialStrDescriptor */ + return (uint8_t *) USBD_StringSerial; +} + +/** + * @brief Return the configuration string descriptor + * @param speed : Current device speed + * @param length : Pointer to data length variable + * @retval Pointer to descriptor buffer + */ +uint8_t * USBD_FS_ConfigStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length) +{ + if(speed == USBD_SPEED_HIGH) + { + USBD_GetString((uint8_t *)USBD_CONFIGURATION_STRING_FS, USBD_StrDesc, length); + } + else + { + USBD_GetString((uint8_t *)USBD_CONFIGURATION_STRING_FS, USBD_StrDesc, length); + } + return USBD_StrDesc; +} + +/** + * @brief Return the interface string descriptor + * @param speed : Current device speed + * @param length : Pointer to data length variable + * @retval Pointer to descriptor buffer + */ +uint8_t * USBD_FS_InterfaceStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length) +{ + if(speed == 0) + { + USBD_GetString((uint8_t *)USBD_INTERFACE_STRING_FS, USBD_StrDesc, length); + } + else + { + USBD_GetString((uint8_t *)USBD_INTERFACE_STRING_FS, USBD_StrDesc, length); + } + return USBD_StrDesc; +} + +/** + * @brief Create the serial number string descriptor + * @param None + * @retval None + */ +static void Get_SerialNum(void) +{ + uint32_t deviceserial0; + uint32_t deviceserial1; + uint32_t deviceserial2; + + deviceserial0 = *(uint32_t *) DEVICE_ID1; + deviceserial1 = *(uint32_t *) DEVICE_ID2; + deviceserial2 = *(uint32_t *) DEVICE_ID3; + + deviceserial0 += deviceserial2; + + if (deviceserial0 != 0) + { + IntToUnicode(deviceserial0, &USBD_StringSerial[2], 8); + IntToUnicode(deviceserial1, &USBD_StringSerial[18], 4); + } +} + +/** + * @brief Convert Hex 32Bits value into char + * @param value: value to convert + * @param pbuf: pointer to the buffer + * @param len: buffer length + * @retval None + */ +static void IntToUnicode(uint32_t value, uint8_t * pbuf, uint8_t len) +{ + uint8_t idx = 0; + + for (idx = 0; idx < len; idx++) + { + if (((value >> 28)) < 0xA) + { + pbuf[2 * idx] = (value >> 28) + '0'; + } + else + { + pbuf[2 * idx] = (value >> 28) + 'A' - 10; + } + + value = value << 4; + + pbuf[2 * idx + 1] = 0; + } +} +/** + * @} + */ + +/** + * @} + */ + +/** + * @} + */ + diff --git a/Ganesha_II_V2/USB_DEVICE/App/usbd_desc.h b/Ganesha_II_V2/USB_DEVICE/App/usbd_desc.h new file mode 100644 index 0000000..ab82d2f --- /dev/null +++ b/Ganesha_II_V2/USB_DEVICE/App/usbd_desc.h @@ -0,0 +1,143 @@ +/* USER CODE BEGIN Header */ +/** + ****************************************************************************** + * @file : usbd_desc.c + * @version : v1.0_Cube + * @brief : Header for usbd_conf.c file. + ****************************************************************************** + * @attention + * + * Copyright (c) 2026 STMicroelectronics. + * All rights reserved. + * + * This software is licensed under terms that can be found in the LICENSE file + * in the root directory of this software component. + * If no LICENSE file comes with this software, it is provided AS-IS. + * + ****************************************************************************** + */ +/* USER CODE END Header */ +/* Define to prevent recursive inclusion -------------------------------------*/ +#ifndef __USBD_DESC__C__ +#define __USBD_DESC__C__ + +#ifdef __cplusplus + extern "C" { +#endif + +/* Includes ------------------------------------------------------------------*/ +#include "usbd_def.h" + +/* USER CODE BEGIN INCLUDE */ + +/* USER CODE END INCLUDE */ + +/** @addtogroup STM32_USB_OTG_DEVICE_LIBRARY + * @{ + */ + +/** @defgroup USBD_DESC USBD_DESC + * @brief Usb device descriptors module. + * @{ + */ + +/** @defgroup USBD_DESC_Exported_Constants USBD_DESC_Exported_Constants + * @brief Constants. + * @{ + */ +#define DEVICE_ID1 (UID_BASE) +#define DEVICE_ID2 (UID_BASE + 0x4) +#define DEVICE_ID3 (UID_BASE + 0x8) + +#define USB_SIZ_STRING_SERIAL 0x1A + +/* USER CODE BEGIN EXPORTED_CONSTANTS */ + +/* USER CODE END EXPORTED_CONSTANTS */ + +/** + * @} + */ + +/** @defgroup USBD_DESC_Exported_Defines USBD_DESC_Exported_Defines + * @brief Defines. + * @{ + */ + +/* USER CODE BEGIN EXPORTED_DEFINES */ + +/* USER CODE END EXPORTED_DEFINES */ + +/** + * @} + */ + +/** @defgroup USBD_DESC_Exported_TypesDefinitions USBD_DESC_Exported_TypesDefinitions + * @brief Types. + * @{ + */ + +/* USER CODE BEGIN EXPORTED_TYPES */ + +/* USER CODE END EXPORTED_TYPES */ + +/** + * @} + */ + +/** @defgroup USBD_DESC_Exported_Macros USBD_DESC_Exported_Macros + * @brief Aliases. + * @{ + */ + +/* USER CODE BEGIN EXPORTED_MACRO */ + +/* USER CODE END EXPORTED_MACRO */ + +/** + * @} + */ + +/** @defgroup USBD_DESC_Exported_Variables USBD_DESC_Exported_Variables + * @brief Public variables. + * @{ + */ + +/** Descriptor for the Usb device. */ +extern USBD_DescriptorsTypeDef FS_Desc; + +/* USER CODE BEGIN EXPORTED_VARIABLES */ + +/* USER CODE END EXPORTED_VARIABLES */ + +/** + * @} + */ + +/** @defgroup USBD_DESC_Exported_FunctionsPrototype USBD_DESC_Exported_FunctionsPrototype + * @brief Public functions declaration. + * @{ + */ + +/* USER CODE BEGIN EXPORTED_FUNCTIONS */ + +/* USER CODE END EXPORTED_FUNCTIONS */ + +/** + * @} + */ + +/** + * @} + */ + +/** + * @} + */ + +#ifdef __cplusplus +} +#endif + +#endif /* __USBD_DESC__C__ */ + diff --git a/Ganesha_II_V2/USB_DEVICE/App/usbd_storage_if.c b/Ganesha_II_V2/USB_DEVICE/App/usbd_storage_if.c new file mode 100644 index 0000000..3bfe3d5 --- /dev/null +++ b/Ganesha_II_V2/USB_DEVICE/App/usbd_storage_if.c @@ -0,0 +1,301 @@ +/* USER CODE BEGIN Header */ +/** + ****************************************************************************** + * @file : usbd_storage_if.c + * @version : v1.0_Cube + * @brief : Memory management layer. + ****************************************************************************** + * @attention + * + * Copyright (c) 2026 STMicroelectronics. + * All rights reserved. + * + * This software is licensed under terms that can be found in the LICENSE file + * in the root directory of this software component. + * If no LICENSE file comes with this software, it is provided AS-IS. + * + ****************************************************************************** + */ +/* USER CODE END Header */ + +/* Includes ------------------------------------------------------------------*/ +#include "usbd_storage_if.h" + +/* USER CODE BEGIN INCLUDE */ +#include "gd5f1gq5xe.h" +/* USER CODE END INCLUDE */ + +/* Private typedef -----------------------------------------------------------*/ +/* Private define ------------------------------------------------------------*/ +/* Private macro -------------------------------------------------------------*/ + +/* USER CODE BEGIN PV */ +/* Private variables ---------------------------------------------------------*/ + +/* USER CODE END PV */ + +/** @addtogroup STM32_USB_OTG_DEVICE_LIBRARY + * @brief Usb device. + * @{ + */ + +/** @defgroup USBD_STORAGE + * @brief Usb mass storage device module + * @{ + */ + +/** @defgroup USBD_STORAGE_Private_TypesDefinitions + * @brief Private types. + * @{ + */ + +/* USER CODE BEGIN PRIVATE_TYPES */ + +/* USER CODE END PRIVATE_TYPES */ + +/** + * @} + */ + +/** @defgroup USBD_STORAGE_Private_Defines + * @brief Private defines. + * @{ + */ + +#define STORAGE_LUN_NBR 1 +#define STORAGE_BLK_NBR 0x10000 +/* #define STORAGE_BLK_NBR 0x1000 */ +#define STORAGE_BLK_SIZ 0x200 + +/* USER CODE BEGIN PRIVATE_DEFINES */ + +/* USER CODE END PRIVATE_DEFINES */ + +/** + * @} + */ + +/** @defgroup USBD_STORAGE_Private_Macros + * @brief Private macros. + * @{ + */ + +/* USER CODE BEGIN PRIVATE_MACRO */ + +/* USER CODE END PRIVATE_MACRO */ + +/** + * @} + */ + +/** @defgroup USBD_STORAGE_Private_Variables + * @brief Private variables. + * @{ + */ + +/* USER CODE BEGIN INQUIRY_DATA_FS */ +/** USB Mass storage Standard Inquiry Data. */ +const int8_t STORAGE_Inquirydata_FS[] = {/* 36 */ + + /* LUN 0 */ + 0x00, + 0x80, + 0x02, + 0x02, + (STANDARD_INQUIRY_DATA_LEN - 5), + 0x00, + 0x00, + 0x00, + 'S', 'T', 'M', ' ', ' ', ' ', ' ', ' ', /* Manufacturer : 8 bytes */ + 'P', 'r', 'o', 'd', 'u', 'c', 't', ' ', /* Product : 16 Bytes */ + ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', + '0', '.', '0' ,'1' /* Version : 4 Bytes */ +}; +/* USER CODE END INQUIRY_DATA_FS */ + +/* USER CODE BEGIN PRIVATE_VARIABLES */ + +/* USER CODE END PRIVATE_VARIABLES */ + +/** + * @} + */ + +/** @defgroup USBD_STORAGE_Exported_Variables + * @brief Public variables. + * @{ + */ + +extern USBD_HandleTypeDef hUsbDeviceFS; + +/* USER CODE BEGIN EXPORTED_VARIABLES */ + +/* USER CODE END EXPORTED_VARIABLES */ + +/** + * @} + */ + +/** @defgroup USBD_STORAGE_Private_FunctionPrototypes + * @brief Private functions declaration. + * @{ + */ + +static int8_t STORAGE_Init_FS(uint8_t lun); +static int8_t STORAGE_GetCapacity_FS(uint8_t lun, uint32_t *block_num, uint16_t *block_size); +static int8_t STORAGE_IsReady_FS(uint8_t lun); +static int8_t STORAGE_IsWriteProtected_FS(uint8_t lun); +static int8_t STORAGE_Read_FS(uint8_t lun, uint8_t *buf, uint32_t blk_addr, uint16_t blk_len); +static int8_t STORAGE_Write_FS(uint8_t lun, uint8_t *buf, uint32_t blk_addr, uint16_t blk_len); +static int8_t STORAGE_GetMaxLun_FS(void); + +/* USER CODE BEGIN PRIVATE_FUNCTIONS_DECLARATION */ + +/* USER CODE END PRIVATE_FUNCTIONS_DECLARATION */ + +/** + * @} + */ + +USBD_StorageTypeDef USBD_Storage_Interface_fops_FS = +{ + STORAGE_Init_FS, + STORAGE_GetCapacity_FS, + STORAGE_IsReady_FS, + STORAGE_IsWriteProtected_FS, + STORAGE_Read_FS, + STORAGE_Write_FS, + STORAGE_GetMaxLun_FS, + (int8_t *)STORAGE_Inquirydata_FS +}; + +/* Private functions ---------------------------------------------------------*/ +/** + * @brief Initializes the storage unit (medium) over USB FS IP + * @param lun: Logical unit number. + * @retval USBD_OK if all operations are OK else USBD_FAIL + */ +int8_t STORAGE_Init_FS(uint8_t lun) +{ + /* USER CODE BEGIN 2 */ + UNUSED(lun); + + return (USBD_OK); + /* USER CODE END 2 */ +} + +/** + * @brief Returns the medium capacity. + * @param lun: Logical unit number. + * @param block_num: Number of total block number. + * @param block_size: Block size. + * @retval USBD_OK if all operations are OK else USBD_FAIL + */ +int8_t STORAGE_GetCapacity_FS(uint8_t lun, uint32_t *block_num, uint16_t *block_size) +{ + /* USER CODE BEGIN 3 */ + UNUSED(lun); + + *block_num = STORAGE_BLK_NBR; + *block_size = STORAGE_BLK_SIZ; + return (USBD_OK); + /* USER CODE END 3 */ +} + +/** + * @brief Checks whether the medium is ready. + * @param lun: Logical unit number. + * @retval USBD_OK if all operations are OK else USBD_FAIL + */ +int8_t STORAGE_IsReady_FS(uint8_t lun) +{ + /* USER CODE BEGIN 4 */ + UNUSED(lun); + + return (USBD_OK); + /* USER CODE END 4 */ +} + +/** + * @brief Checks whether the medium is write protected. + * @param lun: Logical unit number. + * @retval USBD_OK if all operations are OK else USBD_FAIL + */ +int8_t STORAGE_IsWriteProtected_FS(uint8_t lun) +{ + /* USER CODE BEGIN 5 */ + UNUSED(lun); + + return (USBD_OK); + /* USER CODE END 5 */ +} + +/** + * @brief Reads data from the medium. + * @param lun: Logical unit number. + * @param buf: data buffer. + * @param blk_addr: Logical block address. + * @param blk_len: Blocks number. + * @retval USBD_OK if all operations are OK else USBD_FAIL + */ +int8_t STORAGE_Read_FS(uint8_t lun, uint8_t *buf, uint32_t blk_addr, uint16_t blk_len) +{ + /* USER CODE BEGIN 6 */ + /* UNUSED(lun); */ + /* UNUSED(buf); */ + /* UNUSED(blk_addr); */ + /* UNUSED(blk_len); */ + + uint32_t total_offset = blk_addr * STORAGE_BLK_SIZ; + uint32_t total_size = blk_len * STORAGE_BLK_SIZ; + uint32_t page = total_offset / GD5F_PAGE_SIZE; + uint16_t col = total_offset % GD5F_PAGE_SIZE; + gd5f1gq5xe_read(page, col, buf, total_size); + return (USBD_OK); + /* USER CODE END 6 */ +} + +/** + * @brief Writes data into the medium. + * @param lun: Logical unit number. + * @param buf: data buffer. + * @param blk_addr: Logical block address. + * @param blk_len: Blocks number. + * @retval USBD_OK if all operations are OK else USBD_FAIL + */ +int8_t STORAGE_Write_FS(uint8_t lun, uint8_t *buf, uint32_t blk_addr, uint16_t blk_len) +{ + /* USER CODE BEGIN 7 */ + UNUSED(lun); + UNUSED(buf); + UNUSED(blk_addr); + UNUSED(blk_len); + + return (USBD_OK); + /* USER CODE END 7 */ +} + +/** + * @brief Returns the Max Supported LUNs. + * @param None + * @retval Lun(s) number. + */ +int8_t STORAGE_GetMaxLun_FS(void) +{ + /* USER CODE BEGIN 8 */ + return (STORAGE_LUN_NBR - 1); + /* USER CODE END 8 */ +} + +/* USER CODE BEGIN PRIVATE_FUNCTIONS_IMPLEMENTATION */ + +/* USER CODE END PRIVATE_FUNCTIONS_IMPLEMENTATION */ + +/** + * @} + */ + +/** + * @} + */ + diff --git a/Ganesha_II_V2/USB_DEVICE/App/usbd_storage_if.h b/Ganesha_II_V2/USB_DEVICE/App/usbd_storage_if.h new file mode 100644 index 0000000..d9198c0 --- /dev/null +++ b/Ganesha_II_V2/USB_DEVICE/App/usbd_storage_if.h @@ -0,0 +1,128 @@ +/* USER CODE BEGIN Header */ +/** + ****************************************************************************** + * @file : usbd_storage_if.h + * @version : v1.0_Cube + * @brief : Header for usbd_storage_if.c file. + ****************************************************************************** + * @attention + * + * Copyright (c) 2026 STMicroelectronics. + * All rights reserved. + * + * This software is licensed under terms that can be found in the LICENSE file + * in the root directory of this software component. + * If no LICENSE file comes with this software, it is provided AS-IS. + * + ****************************************************************************** + */ +/* USER CODE END Header */ + +/* Define to prevent recursive inclusion -------------------------------------*/ + +#ifndef __USBD_STORAGE_IF_H__ +#define __USBD_STORAGE_IF_H__ + +#ifdef __cplusplus + extern "C" { +#endif + +/* Includes ------------------------------------------------------------------*/ +#include "usbd_msc.h" + +/* USER CODE BEGIN INCLUDE */ + +/* USER CODE END INCLUDE */ + +/** @addtogroup STM32_USB_OTG_DEVICE_LIBRARY + * @brief For Usb device. + * @{ + */ + +/** @defgroup USBD_STORAGE USBD_STORAGE + * @brief Header file for the usb_storage_if.c file + * @{ + */ + +/** @defgroup USBD_STORAGE_Exported_Defines USBD_STORAGE_Exported_Defines + * @brief Defines. + * @{ + */ + +/* USER CODE BEGIN EXPORTED_DEFINES */ + +/* USER CODE END EXPORTED_DEFINES */ + +/** + * @} + */ + +/** @defgroup USBD_STORAGE_Exported_Types USBD_STORAGE_Exported_Types + * @brief Types. + * @{ + */ + +/* USER CODE BEGIN EXPORTED_TYPES */ + +/* USER CODE END EXPORTED_TYPES */ + +/** + * @} + */ + +/** @defgroup USBD_STORAGE_Exported_Macros USBD_STORAGE_Exported_Macros + * @brief Aliases. + * @{ + */ + +/* USER CODE BEGIN EXPORTED_MACRO */ + +/* USER CODE END EXPORTED_MACRO */ + +/** + * @} + */ + +/** @defgroup USBD_STORAGE_Exported_Variables USBD_STORAGE_Exported_Variables + * @brief Public variables. + * @{ + */ + +/** STORAGE Interface callback. */ +extern USBD_StorageTypeDef USBD_Storage_Interface_fops_FS; + +/* USER CODE BEGIN EXPORTED_VARIABLES */ + +/* USER CODE END EXPORTED_VARIABLES */ + +/** + * @} + */ + +/** @defgroup USBD_STORAGE_Exported_FunctionsPrototype USBD_STORAGE_Exported_FunctionsPrototype + * @brief Public functions declaration. + * @{ + */ + +/* USER CODE BEGIN EXPORTED_FUNCTIONS */ + +/* USER CODE END EXPORTED_FUNCTIONS */ + +/** + * @} + */ + +/** + * @} + */ + +/** + * @} + */ + +#ifdef __cplusplus +} +#endif + +#endif /* __USBD_STORAGE_IF_H__ */ + diff --git a/Ganesha_II_V2/USB_DEVICE/Target/usbd_conf.c b/Ganesha_II_V2/USB_DEVICE/Target/usbd_conf.c new file mode 100644 index 0000000..a54443f --- /dev/null +++ b/Ganesha_II_V2/USB_DEVICE/Target/usbd_conf.c @@ -0,0 +1,693 @@ +/* USER CODE BEGIN Header */ +/** + ****************************************************************************** + * @file : Target/usbd_conf.c + * @version : v1.0_Cube + * @brief : This file implements the board support package for the USB device library + ****************************************************************************** + * @attention + * + * Copyright (c) 2026 STMicroelectronics. + * All rights reserved. + * + * This software is licensed under terms that can be found in the LICENSE file + * in the root directory of this software component. + * If no LICENSE file comes with this software, it is provided AS-IS. + * + ****************************************************************************** + */ +/* USER CODE END Header */ + +/* Includes ------------------------------------------------------------------*/ +#include "stm32h7xx.h" +#include "stm32h7xx_hal.h" +#include "usbd_def.h" +#include "usbd_core.h" +#include "usbd_msc.h" + +/* USER CODE BEGIN Includes */ + +/* USER CODE END Includes */ + +/* Private typedef -----------------------------------------------------------*/ +/* Private define ------------------------------------------------------------*/ +/* Private macro -------------------------------------------------------------*/ + +/* USER CODE BEGIN PV */ +/* Private variables ---------------------------------------------------------*/ + +/* USER CODE END PV */ + +PCD_HandleTypeDef hpcd_USB_OTG_FS; +void Error_Handler(void); + +/* External functions --------------------------------------------------------*/ + +/* USER CODE BEGIN 0 */ + +/* USER CODE END 0 */ + +/* USER CODE BEGIN PFP */ +/* Private function prototypes -----------------------------------------------*/ +USBD_StatusTypeDef USBD_Get_USB_Status(HAL_StatusTypeDef hal_status); + +/* USER CODE END PFP */ + +/* Private functions ---------------------------------------------------------*/ + +/* USER CODE BEGIN 1 */ +/* USER CODE END 1 */ + +/******************************************************************************* + LL Driver Callbacks (PCD -> USB Device Library) +*******************************************************************************/ +/* MSP Init */ + +void HAL_PCD_MspInit(PCD_HandleTypeDef* pcdHandle) +{ + GPIO_InitTypeDef GPIO_InitStruct = {0}; + RCC_PeriphCLKInitTypeDef PeriphClkInitStruct = {0}; + if(pcdHandle->Instance==USB_OTG_FS) + { + /* USER CODE BEGIN USB_OTG_FS_MspInit 0 */ + + /* USER CODE END USB_OTG_FS_MspInit 0 */ + + /** Initializes the peripherals clock + */ + PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_USB; + PeriphClkInitStruct.UsbClockSelection = RCC_USBCLKSOURCE_PLL; + if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK) + { + Error_Handler(); + } + + /** Enable USB Voltage detector + */ + HAL_PWREx_EnableUSBVoltageDetector(); + + __HAL_RCC_GPIOA_CLK_ENABLE(); + /**USB_OTG_FS GPIO Configuration + PA11 ------> USB_OTG_FS_DM + PA12 ------> USB_OTG_FS_DP + */ + GPIO_InitStruct.Pin = GPIO_PIN_11|GPIO_PIN_12; + GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; + GPIO_InitStruct.Pull = GPIO_NOPULL; + GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW; + GPIO_InitStruct.Alternate = GPIO_AF10_OTG1_FS; + HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); + + /* Peripheral clock enable */ + __HAL_RCC_USB_OTG_FS_CLK_ENABLE(); + + /* Peripheral interrupt init */ + HAL_NVIC_SetPriority(OTG_FS_IRQn, 0, 0); + HAL_NVIC_EnableIRQ(OTG_FS_IRQn); + /* USER CODE BEGIN USB_OTG_FS_MspInit 1 */ + + /* USER CODE END USB_OTG_FS_MspInit 1 */ + } +} + +void HAL_PCD_MspDeInit(PCD_HandleTypeDef* pcdHandle) +{ + if(pcdHandle->Instance==USB_OTG_FS) + { + /* USER CODE BEGIN USB_OTG_FS_MspDeInit 0 */ + + /* USER CODE END USB_OTG_FS_MspDeInit 0 */ + /* Peripheral clock disable */ + __HAL_RCC_USB_OTG_FS_CLK_DISABLE(); + + /**USB_OTG_FS GPIO Configuration + PA11 ------> USB_OTG_FS_DM + PA12 ------> USB_OTG_FS_DP + */ + HAL_GPIO_DeInit(GPIOA, GPIO_PIN_11|GPIO_PIN_12); + + /* Peripheral interrupt Deinit*/ + HAL_NVIC_DisableIRQ(OTG_FS_IRQn); + + /* USER CODE BEGIN USB_OTG_FS_MspDeInit 1 */ + + /* USER CODE END USB_OTG_FS_MspDeInit 1 */ + } +} + +/** + * @brief Setup stage callback + * @param hpcd: PCD handle + * @retval None + */ +#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U) +static void PCD_SetupStageCallback(PCD_HandleTypeDef *hpcd) +#else +void HAL_PCD_SetupStageCallback(PCD_HandleTypeDef *hpcd) +#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */ +{ + USBD_LL_SetupStage((USBD_HandleTypeDef*)hpcd->pData, (uint8_t *)hpcd->Setup); +} + +/** + * @brief Data Out stage callback. + * @param hpcd: PCD handle + * @param epnum: Endpoint number + * @retval None + */ +#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U) +static void PCD_DataOutStageCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum) +#else +void HAL_PCD_DataOutStageCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum) +#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */ +{ + USBD_LL_DataOutStage((USBD_HandleTypeDef*)hpcd->pData, epnum, hpcd->OUT_ep[epnum].xfer_buff); +} + +/** + * @brief Data In stage callback. + * @param hpcd: PCD handle + * @param epnum: Endpoint number + * @retval None + */ +#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U) +static void PCD_DataInStageCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum) +#else +void HAL_PCD_DataInStageCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum) +#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */ +{ + USBD_LL_DataInStage((USBD_HandleTypeDef*)hpcd->pData, epnum, hpcd->IN_ep[epnum].xfer_buff); +} + +/** + * @brief SOF callback. + * @param hpcd: PCD handle + * @retval None + */ +#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U) +static void PCD_SOFCallback(PCD_HandleTypeDef *hpcd) +#else +void HAL_PCD_SOFCallback(PCD_HandleTypeDef *hpcd) +#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */ +{ + USBD_LL_SOF((USBD_HandleTypeDef*)hpcd->pData); +} + +/** + * @brief Reset callback. + * @param hpcd: PCD handle + * @retval None + */ +#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U) +static void PCD_ResetCallback(PCD_HandleTypeDef *hpcd) +#else +void HAL_PCD_ResetCallback(PCD_HandleTypeDef *hpcd) +#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */ +{ + USBD_SpeedTypeDef speed = USBD_SPEED_FULL; + + if ( hpcd->Init.speed == PCD_SPEED_HIGH) + { + speed = USBD_SPEED_HIGH; + } + else if ( hpcd->Init.speed == PCD_SPEED_FULL) + { + speed = USBD_SPEED_FULL; + } + else + { + Error_Handler(); + } + /* Set Speed. */ + USBD_LL_SetSpeed((USBD_HandleTypeDef*)hpcd->pData, speed); + + /* Reset Device. */ + USBD_LL_Reset((USBD_HandleTypeDef*)hpcd->pData); +} + +/** + * @brief Suspend callback. + * When Low power mode is enabled the debug cannot be used (IAR, Keil doesn't support it) + * @param hpcd: PCD handle + * @retval None + */ +#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U) +static void PCD_SuspendCallback(PCD_HandleTypeDef *hpcd) +#else +void HAL_PCD_SuspendCallback(PCD_HandleTypeDef *hpcd) +#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */ +{ + /* Inform USB library that core enters in suspend Mode. */ + USBD_LL_Suspend((USBD_HandleTypeDef*)hpcd->pData); + __HAL_PCD_GATE_PHYCLOCK(hpcd); + /* Enter in STOP mode. */ + /* USER CODE BEGIN 2 */ + if (hpcd->Init.low_power_enable) + { + /* Set SLEEPDEEP bit and SleepOnExit of Cortex System Control Register. */ + SCB->SCR |= (uint32_t)((uint32_t)(SCB_SCR_SLEEPDEEP_Msk | SCB_SCR_SLEEPONEXIT_Msk)); + } + /* USER CODE END 2 */ +} + +/** + * @brief Resume callback. + * When Low power mode is enabled the debug cannot be used (IAR, Keil doesn't support it) + * @param hpcd: PCD handle + * @retval None + */ +#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U) +static void PCD_ResumeCallback(PCD_HandleTypeDef *hpcd) +#else +void HAL_PCD_ResumeCallback(PCD_HandleTypeDef *hpcd) +#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */ +{ + /* USER CODE BEGIN 3 */ + + /* USER CODE END 3 */ + USBD_LL_Resume((USBD_HandleTypeDef*)hpcd->pData); +} + +/** + * @brief ISOOUTIncomplete callback. + * @param hpcd: PCD handle + * @param epnum: Endpoint number + * @retval None + */ +#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U) +static void PCD_ISOOUTIncompleteCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum) +#else +void HAL_PCD_ISOOUTIncompleteCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum) +#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */ +{ + USBD_LL_IsoOUTIncomplete((USBD_HandleTypeDef*)hpcd->pData, epnum); +} + +/** + * @brief ISOINIncomplete callback. + * @param hpcd: PCD handle + * @param epnum: Endpoint number + * @retval None + */ +#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U) +static void PCD_ISOINIncompleteCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum) +#else +void HAL_PCD_ISOINIncompleteCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum) +#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */ +{ + USBD_LL_IsoINIncomplete((USBD_HandleTypeDef*)hpcd->pData, epnum); +} + +/** + * @brief Connect callback. + * @param hpcd: PCD handle + * @retval None + */ +#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U) +static void PCD_ConnectCallback(PCD_HandleTypeDef *hpcd) +#else +void HAL_PCD_ConnectCallback(PCD_HandleTypeDef *hpcd) +#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */ +{ + USBD_LL_DevConnected((USBD_HandleTypeDef*)hpcd->pData); +} + +/** + * @brief Disconnect callback. + * @param hpcd: PCD handle + * @retval None + */ +#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U) +static void PCD_DisconnectCallback(PCD_HandleTypeDef *hpcd) +#else +void HAL_PCD_DisconnectCallback(PCD_HandleTypeDef *hpcd) +#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */ +{ + USBD_LL_DevDisconnected((USBD_HandleTypeDef*)hpcd->pData); +} + +/******************************************************************************* + LL Driver Interface (USB Device Library --> PCD) +*******************************************************************************/ + +/** + * @brief Initializes the low level portion of the device driver. + * @param pdev: Device handle + * @retval USBD status + */ +USBD_StatusTypeDef USBD_LL_Init(USBD_HandleTypeDef *pdev) +{ + /* Init USB Ip. */ + if (pdev->id == DEVICE_FS) { + /* Link the driver to the stack. */ + hpcd_USB_OTG_FS.pData = pdev; + pdev->pData = &hpcd_USB_OTG_FS; + + hpcd_USB_OTG_FS.Instance = USB_OTG_FS; + hpcd_USB_OTG_FS.Init.dev_endpoints = 9; + hpcd_USB_OTG_FS.Init.speed = PCD_SPEED_FULL; + hpcd_USB_OTG_FS.Init.dma_enable = DISABLE; + hpcd_USB_OTG_FS.Init.phy_itface = PCD_PHY_EMBEDDED; + hpcd_USB_OTG_FS.Init.Sof_enable = DISABLE; + hpcd_USB_OTG_FS.Init.low_power_enable = DISABLE; + hpcd_USB_OTG_FS.Init.lpm_enable = DISABLE; + hpcd_USB_OTG_FS.Init.battery_charging_enable = DISABLE; + hpcd_USB_OTG_FS.Init.vbus_sensing_enable = DISABLE; + hpcd_USB_OTG_FS.Init.use_dedicated_ep1 = DISABLE; + if (HAL_PCD_Init(&hpcd_USB_OTG_FS) != HAL_OK) + { + Error_Handler( ); + } + +#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U) + /* Register USB PCD CallBacks */ + HAL_PCD_RegisterCallback(&hpcd_USB_OTG_FS, HAL_PCD_SOF_CB_ID, PCD_SOFCallback); + HAL_PCD_RegisterCallback(&hpcd_USB_OTG_FS, HAL_PCD_SETUPSTAGE_CB_ID, PCD_SetupStageCallback); + HAL_PCD_RegisterCallback(&hpcd_USB_OTG_FS, HAL_PCD_RESET_CB_ID, PCD_ResetCallback); + HAL_PCD_RegisterCallback(&hpcd_USB_OTG_FS, HAL_PCD_SUSPEND_CB_ID, PCD_SuspendCallback); + HAL_PCD_RegisterCallback(&hpcd_USB_OTG_FS, HAL_PCD_RESUME_CB_ID, PCD_ResumeCallback); + HAL_PCD_RegisterCallback(&hpcd_USB_OTG_FS, HAL_PCD_CONNECT_CB_ID, PCD_ConnectCallback); + HAL_PCD_RegisterCallback(&hpcd_USB_OTG_FS, HAL_PCD_DISCONNECT_CB_ID, PCD_DisconnectCallback); + + HAL_PCD_RegisterDataOutStageCallback(&hpcd_USB_OTG_FS, PCD_DataOutStageCallback); + HAL_PCD_RegisterDataInStageCallback(&hpcd_USB_OTG_FS, PCD_DataInStageCallback); + HAL_PCD_RegisterIsoOutIncpltCallback(&hpcd_USB_OTG_FS, PCD_ISOOUTIncompleteCallback); + HAL_PCD_RegisterIsoInIncpltCallback(&hpcd_USB_OTG_FS, PCD_ISOINIncompleteCallback); +#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */ + /* USER CODE BEGIN TxRx_Configuration */ + HAL_PCDEx_SetRxFiFo(&hpcd_USB_OTG_FS, 0x80); + HAL_PCDEx_SetTxFiFo(&hpcd_USB_OTG_FS, 0, 0x40); + HAL_PCDEx_SetTxFiFo(&hpcd_USB_OTG_FS, 1, 0x80); + /* USER CODE END TxRx_Configuration */ + } + return USBD_OK; +} + +/** + * @brief De-Initializes the low level portion of the device driver. + * @param pdev: Device handle + * @retval USBD status + */ +USBD_StatusTypeDef USBD_LL_DeInit(USBD_HandleTypeDef *pdev) +{ + HAL_StatusTypeDef hal_status = HAL_OK; + USBD_StatusTypeDef usb_status = USBD_OK; + + hal_status = HAL_PCD_DeInit(pdev->pData); + + usb_status = USBD_Get_USB_Status(hal_status); + + return usb_status; +} + +/** + * @brief Starts the low level portion of the device driver. + * @param pdev: Device handle + * @retval USBD status + */ +USBD_StatusTypeDef USBD_LL_Start(USBD_HandleTypeDef *pdev) +{ + HAL_StatusTypeDef hal_status = HAL_OK; + USBD_StatusTypeDef usb_status = USBD_OK; + + hal_status = HAL_PCD_Start(pdev->pData); + + usb_status = USBD_Get_USB_Status(hal_status); + + return usb_status; +} + +/** + * @brief Stops the low level portion of the device driver. + * @param pdev: Device handle + * @retval USBD status + */ +USBD_StatusTypeDef USBD_LL_Stop(USBD_HandleTypeDef *pdev) +{ + HAL_StatusTypeDef hal_status = HAL_OK; + USBD_StatusTypeDef usb_status = USBD_OK; + + hal_status = HAL_PCD_Stop(pdev->pData); + + usb_status = USBD_Get_USB_Status(hal_status); + + return usb_status; +} + +/** + * @brief Opens an endpoint of the low level driver. + * @param pdev: Device handle + * @param ep_addr: Endpoint number + * @param ep_type: Endpoint type + * @param ep_mps: Endpoint max packet size + * @retval USBD status + */ +USBD_StatusTypeDef USBD_LL_OpenEP(USBD_HandleTypeDef *pdev, uint8_t ep_addr, uint8_t ep_type, uint16_t ep_mps) +{ + HAL_StatusTypeDef hal_status = HAL_OK; + USBD_StatusTypeDef usb_status = USBD_OK; + + hal_status = HAL_PCD_EP_Open(pdev->pData, ep_addr, ep_mps, ep_type); + + usb_status = USBD_Get_USB_Status(hal_status); + + return usb_status; +} + +/** + * @brief Closes an endpoint of the low level driver. + * @param pdev: Device handle + * @param ep_addr: Endpoint number + * @retval USBD status + */ +USBD_StatusTypeDef USBD_LL_CloseEP(USBD_HandleTypeDef *pdev, uint8_t ep_addr) +{ + HAL_StatusTypeDef hal_status = HAL_OK; + USBD_StatusTypeDef usb_status = USBD_OK; + + hal_status = HAL_PCD_EP_Close(pdev->pData, ep_addr); + + usb_status = USBD_Get_USB_Status(hal_status); + + return usb_status; +} + +/** + * @brief Flushes an endpoint of the Low Level Driver. + * @param pdev: Device handle + * @param ep_addr: Endpoint number + * @retval USBD status + */ +USBD_StatusTypeDef USBD_LL_FlushEP(USBD_HandleTypeDef *pdev, uint8_t ep_addr) +{ + HAL_StatusTypeDef hal_status = HAL_OK; + USBD_StatusTypeDef usb_status = USBD_OK; + + hal_status = HAL_PCD_EP_Flush(pdev->pData, ep_addr); + + usb_status = USBD_Get_USB_Status(hal_status); + + return usb_status; +} + +/** + * @brief Sets a Stall condition on an endpoint of the Low Level Driver. + * @param pdev: Device handle + * @param ep_addr: Endpoint number + * @retval USBD status + */ +USBD_StatusTypeDef USBD_LL_StallEP(USBD_HandleTypeDef *pdev, uint8_t ep_addr) +{ + HAL_StatusTypeDef hal_status = HAL_OK; + USBD_StatusTypeDef usb_status = USBD_OK; + + hal_status = HAL_PCD_EP_SetStall(pdev->pData, ep_addr); + + usb_status = USBD_Get_USB_Status(hal_status); + + return usb_status; +} + +/** + * @brief Clears a Stall condition on an endpoint of the Low Level Driver. + * @param pdev: Device handle + * @param ep_addr: Endpoint number + * @retval USBD status + */ +USBD_StatusTypeDef USBD_LL_ClearStallEP(USBD_HandleTypeDef *pdev, uint8_t ep_addr) +{ + HAL_StatusTypeDef hal_status = HAL_OK; + USBD_StatusTypeDef usb_status = USBD_OK; + + hal_status = HAL_PCD_EP_ClrStall(pdev->pData, ep_addr); + + usb_status = USBD_Get_USB_Status(hal_status); + + return usb_status; +} + +/** + * @brief Returns Stall condition. + * @param pdev: Device handle + * @param ep_addr: Endpoint number + * @retval Stall (1: Yes, 0: No) + */ +uint8_t USBD_LL_IsStallEP(USBD_HandleTypeDef *pdev, uint8_t ep_addr) +{ + PCD_HandleTypeDef *hpcd = (PCD_HandleTypeDef*) pdev->pData; + + if((ep_addr & 0x80) == 0x80) + { + return hpcd->IN_ep[ep_addr & 0x7F].is_stall; + } + else + { + return hpcd->OUT_ep[ep_addr & 0x7F].is_stall; + } +} + +/** + * @brief Assigns a USB address to the device. + * @param pdev: Device handle + * @param dev_addr: Device address + * @retval USBD status + */ +USBD_StatusTypeDef USBD_LL_SetUSBAddress(USBD_HandleTypeDef *pdev, uint8_t dev_addr) +{ + HAL_StatusTypeDef hal_status = HAL_OK; + USBD_StatusTypeDef usb_status = USBD_OK; + + hal_status = HAL_PCD_SetAddress(pdev->pData, dev_addr); + + usb_status = USBD_Get_USB_Status(hal_status); + + return usb_status; +} + +/** + * @brief Transmits data over an endpoint. + * @param pdev: Device handle + * @param ep_addr: Endpoint number + * @param pbuf: Pointer to data to be sent + * @param size: Data size + * @retval USBD status + */ +USBD_StatusTypeDef USBD_LL_Transmit(USBD_HandleTypeDef *pdev, uint8_t ep_addr, uint8_t *pbuf, uint32_t size) +{ + HAL_StatusTypeDef hal_status = HAL_OK; + USBD_StatusTypeDef usb_status = USBD_OK; + + hal_status = HAL_PCD_EP_Transmit(pdev->pData, ep_addr, pbuf, size); + + usb_status = USBD_Get_USB_Status(hal_status); + + return usb_status; +} + +/** + * @brief Prepares an endpoint for reception. + * @param pdev: Device handle + * @param ep_addr: Endpoint number + * @param pbuf: Pointer to data to be received + * @param size: Data size + * @retval USBD status + */ +USBD_StatusTypeDef USBD_LL_PrepareReceive(USBD_HandleTypeDef *pdev, uint8_t ep_addr, uint8_t *pbuf, uint32_t size) +{ + HAL_StatusTypeDef hal_status = HAL_OK; + USBD_StatusTypeDef usb_status = USBD_OK; + + hal_status = HAL_PCD_EP_Receive(pdev->pData, ep_addr, pbuf, size); + + usb_status = USBD_Get_USB_Status(hal_status); + + return usb_status; +} + +/** + * @brief Returns the last transferred packet size. + * @param pdev: Device handle + * @param ep_addr: Endpoint number + * @retval Received Data Size + */ +uint32_t USBD_LL_GetRxDataSize(USBD_HandleTypeDef *pdev, uint8_t ep_addr) +{ + return HAL_PCD_EP_GetRxCount((PCD_HandleTypeDef*) pdev->pData, ep_addr); +} + +#ifdef USBD_HS_TESTMODE_ENABLE +/** + * @brief Set High speed Test mode. + * @param pdev: Device handle + * @param testmode: test mode + * @retval USBD Status + */ +USBD_StatusTypeDef USBD_LL_SetTestMode(USBD_HandleTypeDef *pdev, uint8_t testmode) +{ + UNUSED(pdev); + UNUSED(testmode); + + return USBD_OK; +} +#endif /* USBD_HS_TESTMODE_ENABLE */ +/** + * @brief Static single allocation. + * @param size: Size of allocated memory + * @retval None + */ +void *USBD_static_malloc(uint32_t size) +{ + UNUSED(size); + static uint32_t mem[(sizeof(USBD_MSC_BOT_HandleTypeDef)/4)+1];/* On 32-bit boundary */ + return mem; +} + +/** + * @brief Dummy memory free + * @param p: Pointer to allocated memory address + * @retval None + */ +void USBD_static_free(void *p) +{ + UNUSED(p); +} + +/** + * @brief Delays routine for the USB device library. + * @param Delay: Delay in ms + * @retval None + */ +void USBD_LL_Delay(uint32_t Delay) +{ + HAL_Delay(Delay); +} + +/** + * @brief Returns the USB status depending on the HAL status: + * @param hal_status: HAL status + * @retval USB status + */ +USBD_StatusTypeDef USBD_Get_USB_Status(HAL_StatusTypeDef hal_status) +{ + USBD_StatusTypeDef usb_status = USBD_OK; + + switch (hal_status) + { + case HAL_OK : + usb_status = USBD_OK; + break; + case HAL_ERROR : + usb_status = USBD_FAIL; + break; + case HAL_BUSY : + usb_status = USBD_BUSY; + break; + case HAL_TIMEOUT : + usb_status = USBD_FAIL; + break; + default : + usb_status = USBD_FAIL; + break; + } + return usb_status; +} diff --git a/Ganesha_II_V2/USB_DEVICE/Target/usbd_conf.h b/Ganesha_II_V2/USB_DEVICE/Target/usbd_conf.h new file mode 100644 index 0000000..2c129dc --- /dev/null +++ b/Ganesha_II_V2/USB_DEVICE/Target/usbd_conf.h @@ -0,0 +1,175 @@ +/* USER CODE BEGIN Header */ +/** + ****************************************************************************** + * @file : usbd_conf.h + * @version : v1.0_Cube + * @brief : Header for usbd_conf.c file. + ****************************************************************************** + * @attention + * + * Copyright (c) 2026 STMicroelectronics. + * All rights reserved. + * + * This software is licensed under terms that can be found in the LICENSE file + * in the root directory of this software component. + * If no LICENSE file comes with this software, it is provided AS-IS. + * + ****************************************************************************** + */ +/* USER CODE END Header */ + +/* Define to prevent recursive inclusion -------------------------------------*/ +#ifndef __USBD_CONF__H__ +#define __USBD_CONF__H__ + +#ifdef __cplusplus + extern "C" { +#endif + +/* Includes ------------------------------------------------------------------*/ +#include +#include +#include +#include "main.h" +#include "stm32h7xx.h" +#include "stm32h7xx_hal.h" + +/* USER CODE BEGIN INCLUDE */ + +/* USER CODE END INCLUDE */ + +/** @addtogroup USBD_OTG_DRIVER + * @brief Driver for Usb device. + * @{ + */ + +/** @defgroup USBD_CONF USBD_CONF + * @brief Configuration file for Usb otg low level driver. + * @{ + */ + +/** @defgroup USBD_CONF_Exported_Variables USBD_CONF_Exported_Variables + * @brief Public variables. + * @{ + */ + +/** + * @} + */ + +/** @defgroup USBD_CONF_Exported_Defines USBD_CONF_Exported_Defines + * @brief Defines for configuration of the Usb device. + * @{ + */ + +/*---------- -----------*/ +#define USBD_MAX_NUM_INTERFACES 1U +/*---------- -----------*/ +#define USBD_MAX_NUM_CONFIGURATION 1U +/*---------- -----------*/ +#define USBD_MAX_STR_DESC_SIZ 512U +/*---------- -----------*/ +#define USBD_DEBUG_LEVEL 0U +/*---------- -----------*/ +#define USBD_LPM_ENABLED 1U +/*---------- -----------*/ +#define USBD_SELF_POWERED 1U +/*---------- -----------*/ +#define MSC_MEDIA_PACKET 512U + +/****************************************/ +/* #define for FS and HS identification */ +#define DEVICE_FS 0 +#define DEVICE_HS 1 + +/** + * @} + */ + +/** @defgroup USBD_CONF_Exported_Macros USBD_CONF_Exported_Macros + * @brief Aliases. + * @{ + */ +/* Memory management macros make sure to use static memory allocation */ +/** Alias for memory allocation. */ + +#define USBD_malloc (void *)USBD_static_malloc + +/** Alias for memory release. */ +#define USBD_free USBD_static_free + +/** Alias for memory set. */ +#define USBD_memset memset + +/** Alias for memory copy. */ +#define USBD_memcpy memcpy + +/** Alias for delay. */ +#define USBD_Delay HAL_Delay + +/* DEBUG macros */ + +#if (USBD_DEBUG_LEVEL > 0) +#define USBD_UsrLog(...) printf(__VA_ARGS__);\ + printf("\n"); +#else +#define USBD_UsrLog(...) +#endif /* (USBD_DEBUG_LEVEL > 0U) */ + +#if (USBD_DEBUG_LEVEL > 1) + +#define USBD_ErrLog(...) printf("ERROR: ");\ + printf(__VA_ARGS__);\ + printf("\n"); +#else +#define USBD_ErrLog(...) +#endif /* (USBD_DEBUG_LEVEL > 1U) */ + +#if (USBD_DEBUG_LEVEL > 2) +#define USBD_DbgLog(...) printf("DEBUG : ");\ + printf(__VA_ARGS__);\ + printf("\n"); +#else +#define USBD_DbgLog(...) +#endif /* (USBD_DEBUG_LEVEL > 2U) */ + +/** + * @} + */ + +/** @defgroup USBD_CONF_Exported_Types USBD_CONF_Exported_Types + * @brief Types. + * @{ + */ + +/** + * @} + */ + +/** @defgroup USBD_CONF_Exported_FunctionsPrototype USBD_CONF_Exported_FunctionsPrototype + * @brief Declaration of public functions for Usb device. + * @{ + */ + +/* Exported functions -------------------------------------------------------*/ +void *USBD_static_malloc(uint32_t size); +void USBD_static_free(void *p); + +/** + * @} + */ + +/** + * @} + */ + +/** + * @} + */ + +#ifdef __cplusplus +} +#endif + +#endif /* __USBD_CONF__H__ */ + diff --git a/Ganesha_II_V2/startup_stm32h743xx.s b/Ganesha_II_V2/startup_stm32h743xx.s new file mode 100644 index 0000000..2663d53 --- /dev/null +++ b/Ganesha_II_V2/startup_stm32h743xx.s @@ -0,0 +1,752 @@ +/** + ****************************************************************************** + * @file startup_stm32h743xx.s + * @author MCD Application Team + * @brief STM32H743xx Devices vector table for GCC based toolchain. + * This module performs: + * - Set the initial SP + * - Set the initial PC == Reset_Handler, + * - Set the vector table entries with the exceptions ISR address + * - Branches to main in the C library (which eventually + * calls main()). + * After Reset the Cortex-M processor is in Thread mode, + * priority is Privileged, and the Stack is set to Main. + ****************************************************************************** + * @attention + * + * Copyright (c) 2017 STMicroelectronics. + * All rights reserved. + * + * This software is licensed under terms that can be found in the LICENSE file + * in the root directory of this software component. + * If no LICENSE file comes with this software, it is provided AS-IS. + * + ****************************************************************************** + */ + + .syntax unified + .cpu cortex-m7 + .fpu softvfp + .thumb + +.global g_pfnVectors +.global Default_Handler + +/* start address for the initialization values of the .data section. +defined in linker script */ +.word _sidata +/* start address for the .data section. defined in linker script */ +.word _sdata +/* end address for the .data section. defined in linker script */ +.word _edata +/* start address for the .bss section. defined in linker script */ +.word _sbss +/* end address for the .bss section. defined in linker script */ +.word _ebss +/* stack used for SystemInit_ExtMemCtl; always internal RAM used */ + +/** + * @brief This is the code that gets called when the processor first + * starts execution following a reset event. Only the absolutely + * necessary set is performed, after which the application + * supplied main() routine is called. + * @param None + * @retval : None +*/ + + .section .text.Reset_Handler + .weak Reset_Handler + .type Reset_Handler, %function +Reset_Handler: + ldr sp, =_estack /* set stack pointer */ + +/* Call the ExitRun0Mode function to configure the power supply */ + bl ExitRun0Mode +/* Call the clock system initialization function.*/ + bl SystemInit + +/* Copy the data segment initializers from flash to SRAM */ + ldr r0, =_sdata + ldr r1, =_edata + ldr r2, =_sidata + movs r3, #0 + b LoopCopyDataInit + +CopyDataInit: + ldr r4, [r2, r3] + str r4, [r0, r3] + adds r3, r3, #4 + +LoopCopyDataInit: + adds r4, r0, r3 + cmp r4, r1 + bcc CopyDataInit +/* Zero fill the bss segment. */ + ldr r2, =_sbss + ldr r4, =_ebss + movs r3, #0 + b LoopFillZerobss + +FillZerobss: + str r3, [r2] + adds r2, r2, #4 + +LoopFillZerobss: + cmp r2, r4 + bcc FillZerobss + +/* Call static constructors */ + bl __libc_init_array +/* Call the application's entry point.*/ + bl main + bx lr +.size Reset_Handler, .-Reset_Handler + +/** + * @brief This is the code that gets called when the processor receives an + * unexpected interrupt. This simply enters an infinite loop, preserving + * the system state for examination by a debugger. + * @param None + * @retval None +*/ + .section .text.Default_Handler,"ax",%progbits +Default_Handler: +Infinite_Loop: + b Infinite_Loop + .size Default_Handler, .-Default_Handler +/****************************************************************************** +* +* The minimal vector table for a Cortex M. Note that the proper constructs +* must be placed on this to ensure that it ends up at physical address +* 0x0000.0000. +* +*******************************************************************************/ + .section .isr_vector,"a",%progbits + .type g_pfnVectors, %object + + +g_pfnVectors: + .word _estack + .word Reset_Handler + + .word NMI_Handler + .word HardFault_Handler + .word MemManage_Handler + .word BusFault_Handler + .word UsageFault_Handler + .word 0 + .word 0 + .word 0 + .word 0 + .word SVC_Handler + .word DebugMon_Handler + .word 0 + .word PendSV_Handler + .word SysTick_Handler + + /* External Interrupts */ + .word WWDG_IRQHandler /* Window WatchDog */ + .word PVD_AVD_IRQHandler /* PVD/AVD through EXTI Line detection */ + .word TAMP_STAMP_IRQHandler /* Tamper and TimeStamps through the EXTI line */ + .word RTC_WKUP_IRQHandler /* RTC Wakeup through the EXTI line */ + .word FLASH_IRQHandler /* FLASH */ + .word RCC_IRQHandler /* RCC */ + .word EXTI0_IRQHandler /* EXTI Line0 */ + .word EXTI1_IRQHandler /* EXTI Line1 */ + .word EXTI2_IRQHandler /* EXTI Line2 */ + .word EXTI3_IRQHandler /* EXTI Line3 */ + .word EXTI4_IRQHandler /* EXTI Line4 */ + .word DMA1_Stream0_IRQHandler /* DMA1 Stream 0 */ + .word DMA1_Stream1_IRQHandler /* DMA1 Stream 1 */ + .word DMA1_Stream2_IRQHandler /* DMA1 Stream 2 */ + .word DMA1_Stream3_IRQHandler /* DMA1 Stream 3 */ + .word DMA1_Stream4_IRQHandler /* DMA1 Stream 4 */ + .word DMA1_Stream5_IRQHandler /* DMA1 Stream 5 */ + .word DMA1_Stream6_IRQHandler /* DMA1 Stream 6 */ + .word ADC_IRQHandler /* ADC1, ADC2 and ADC3s */ + .word FDCAN1_IT0_IRQHandler /* FDCAN1 interrupt line 0 */ + .word FDCAN2_IT0_IRQHandler /* FDCAN2 interrupt line 0 */ + .word FDCAN1_IT1_IRQHandler /* FDCAN1 interrupt line 1 */ + .word FDCAN2_IT1_IRQHandler /* FDCAN2 interrupt line 1 */ + .word EXTI9_5_IRQHandler /* External Line[9:5]s */ + .word TIM1_BRK_IRQHandler /* TIM1 Break interrupt */ + .word TIM1_UP_IRQHandler /* TIM1 Update interrupt */ + .word TIM1_TRG_COM_IRQHandler /* TIM1 Trigger and Commutation interrupt */ + .word TIM1_CC_IRQHandler /* TIM1 Capture Compare */ + .word TIM2_IRQHandler /* TIM2 */ + .word TIM3_IRQHandler /* TIM3 */ + .word TIM4_IRQHandler /* TIM4 */ + .word I2C1_EV_IRQHandler /* I2C1 Event */ + .word I2C1_ER_IRQHandler /* I2C1 Error */ + .word I2C2_EV_IRQHandler /* I2C2 Event */ + .word I2C2_ER_IRQHandler /* I2C2 Error */ + .word SPI1_IRQHandler /* SPI1 */ + .word SPI2_IRQHandler /* SPI2 */ + .word USART1_IRQHandler /* USART1 */ + .word USART2_IRQHandler /* USART2 */ + .word USART3_IRQHandler /* USART3 */ + .word EXTI15_10_IRQHandler /* External Line[15:10]s */ + .word RTC_Alarm_IRQHandler /* RTC Alarm (A and B) through EXTI Line */ + .word 0 /* Reserved */ + .word TIM8_BRK_TIM12_IRQHandler /* TIM8 Break and TIM12 */ + .word TIM8_UP_TIM13_IRQHandler /* TIM8 Update and TIM13 */ + .word TIM8_TRG_COM_TIM14_IRQHandler /* TIM8 Trigger and Commutation and TIM14 */ + .word TIM8_CC_IRQHandler /* TIM8 Capture Compare */ + .word DMA1_Stream7_IRQHandler /* DMA1 Stream7 */ + .word FMC_IRQHandler /* FMC */ + .word SDMMC1_IRQHandler /* SDMMC1 */ + .word TIM5_IRQHandler /* TIM5 */ + .word SPI3_IRQHandler /* SPI3 */ + .word UART4_IRQHandler /* UART4 */ + .word UART5_IRQHandler /* UART5 */ + .word TIM6_DAC_IRQHandler /* TIM6 and DAC1&2 underrun errors */ + .word TIM7_IRQHandler /* TIM7 */ + .word DMA2_Stream0_IRQHandler /* DMA2 Stream 0 */ + .word DMA2_Stream1_IRQHandler /* DMA2 Stream 1 */ + .word DMA2_Stream2_IRQHandler /* DMA2 Stream 2 */ + .word DMA2_Stream3_IRQHandler /* DMA2 Stream 3 */ + .word DMA2_Stream4_IRQHandler /* DMA2 Stream 4 */ + .word ETH_IRQHandler /* Ethernet */ + .word ETH_WKUP_IRQHandler /* Ethernet Wakeup through EXTI line */ + .word FDCAN_CAL_IRQHandler /* FDCAN calibration unit interrupt*/ + .word 0 /* Reserved */ + .word 0 /* Reserved */ + .word 0 /* Reserved */ + .word 0 /* Reserved */ + .word DMA2_Stream5_IRQHandler /* DMA2 Stream 5 */ + .word DMA2_Stream6_IRQHandler /* DMA2 Stream 6 */ + .word DMA2_Stream7_IRQHandler /* DMA2 Stream 7 */ + .word USART6_IRQHandler /* USART6 */ + .word I2C3_EV_IRQHandler /* I2C3 event */ + .word I2C3_ER_IRQHandler /* I2C3 error */ + .word OTG_HS_EP1_OUT_IRQHandler /* USB OTG HS End Point 1 Out */ + .word OTG_HS_EP1_IN_IRQHandler /* USB OTG HS End Point 1 In */ + .word OTG_HS_WKUP_IRQHandler /* USB OTG HS Wakeup through EXTI */ + .word OTG_HS_IRQHandler /* USB OTG HS */ + .word DCMI_IRQHandler /* DCMI */ + .word 0 /* Reserved */ + .word RNG_IRQHandler /* Rng */ + .word FPU_IRQHandler /* FPU */ + .word UART7_IRQHandler /* UART7 */ + .word UART8_IRQHandler /* UART8 */ + .word SPI4_IRQHandler /* SPI4 */ + .word SPI5_IRQHandler /* SPI5 */ + .word SPI6_IRQHandler /* SPI6 */ + .word SAI1_IRQHandler /* SAI1 */ + .word LTDC_IRQHandler /* LTDC */ + .word LTDC_ER_IRQHandler /* LTDC error */ + .word DMA2D_IRQHandler /* DMA2D */ + .word SAI2_IRQHandler /* SAI2 */ + .word QUADSPI_IRQHandler /* QUADSPI */ + .word LPTIM1_IRQHandler /* LPTIM1 */ + .word CEC_IRQHandler /* HDMI_CEC */ + .word I2C4_EV_IRQHandler /* I2C4 Event */ + .word I2C4_ER_IRQHandler /* I2C4 Error */ + .word SPDIF_RX_IRQHandler /* SPDIF_RX */ + .word OTG_FS_EP1_OUT_IRQHandler /* USB OTG FS End Point 1 Out */ + .word OTG_FS_EP1_IN_IRQHandler /* USB OTG FS End Point 1 In */ + .word OTG_FS_WKUP_IRQHandler /* USB OTG FS Wakeup through EXTI */ + .word OTG_FS_IRQHandler /* USB OTG FS */ + .word DMAMUX1_OVR_IRQHandler /* DMAMUX1 Overrun interrupt */ + .word HRTIM1_Master_IRQHandler /* HRTIM Master Timer global Interrupt */ + .word HRTIM1_TIMA_IRQHandler /* HRTIM Timer A global Interrupt */ + .word HRTIM1_TIMB_IRQHandler /* HRTIM Timer B global Interrupt */ + .word HRTIM1_TIMC_IRQHandler /* HRTIM Timer C global Interrupt */ + .word HRTIM1_TIMD_IRQHandler /* HRTIM Timer D global Interrupt */ + .word HRTIM1_TIME_IRQHandler /* HRTIM Timer E global Interrupt */ + .word HRTIM1_FLT_IRQHandler /* HRTIM Fault global Interrupt */ + .word DFSDM1_FLT0_IRQHandler /* DFSDM Filter0 Interrupt */ + .word DFSDM1_FLT1_IRQHandler /* DFSDM Filter1 Interrupt */ + .word DFSDM1_FLT2_IRQHandler /* DFSDM Filter2 Interrupt */ + .word DFSDM1_FLT3_IRQHandler /* DFSDM Filter3 Interrupt */ + .word SAI3_IRQHandler /* SAI3 global Interrupt */ + .word SWPMI1_IRQHandler /* Serial Wire Interface 1 global interrupt */ + .word TIM15_IRQHandler /* TIM15 global Interrupt */ + .word TIM16_IRQHandler /* TIM16 global Interrupt */ + .word TIM17_IRQHandler /* TIM17 global Interrupt */ + .word MDIOS_WKUP_IRQHandler /* MDIOS Wakeup Interrupt */ + .word MDIOS_IRQHandler /* MDIOS global Interrupt */ + .word JPEG_IRQHandler /* JPEG global Interrupt */ + .word MDMA_IRQHandler /* MDMA global Interrupt */ + .word 0 /* Reserved */ + .word SDMMC2_IRQHandler /* SDMMC2 global Interrupt */ + .word HSEM1_IRQHandler /* HSEM1 global Interrupt */ + .word 0 /* Reserved */ + .word ADC3_IRQHandler /* ADC3 global Interrupt */ + .word DMAMUX2_OVR_IRQHandler /* DMAMUX Overrun interrupt */ + .word BDMA_Channel0_IRQHandler /* BDMA Channel 0 global Interrupt */ + .word BDMA_Channel1_IRQHandler /* BDMA Channel 1 global Interrupt */ + .word BDMA_Channel2_IRQHandler /* BDMA Channel 2 global Interrupt */ + .word BDMA_Channel3_IRQHandler /* BDMA Channel 3 global Interrupt */ + .word BDMA_Channel4_IRQHandler /* BDMA Channel 4 global Interrupt */ + .word BDMA_Channel5_IRQHandler /* BDMA Channel 5 global Interrupt */ + .word BDMA_Channel6_IRQHandler /* BDMA Channel 6 global Interrupt */ + .word BDMA_Channel7_IRQHandler /* BDMA Channel 7 global Interrupt */ + .word COMP1_IRQHandler /* COMP1 global Interrupt */ + .word LPTIM2_IRQHandler /* LP TIM2 global interrupt */ + .word LPTIM3_IRQHandler /* LP TIM3 global interrupt */ + .word LPTIM4_IRQHandler /* LP TIM4 global interrupt */ + .word LPTIM5_IRQHandler /* LP TIM5 global interrupt */ + .word LPUART1_IRQHandler /* LP UART1 interrupt */ + .word 0 /* Reserved */ + .word CRS_IRQHandler /* Clock Recovery Global Interrupt */ + .word ECC_IRQHandler /* ECC diagnostic Global Interrupt */ + .word SAI4_IRQHandler /* SAI4 global interrupt */ + .word 0 /* Reserved */ + .word 0 /* Reserved */ + .word WAKEUP_PIN_IRQHandler /* Interrupt for all 6 wake-up pins */ + + .size g_pfnVectors, .-g_pfnVectors + +/******************************************************************************* +* +* Provide weak aliases for each Exception handler to the Default_Handler. +* As they are weak aliases, any function with the same name will override +* this definition. +* +*******************************************************************************/ + .weak NMI_Handler + .thumb_set NMI_Handler,Default_Handler + + .weak HardFault_Handler + .thumb_set HardFault_Handler,Default_Handler + + .weak MemManage_Handler + .thumb_set MemManage_Handler,Default_Handler + + .weak BusFault_Handler + .thumb_set BusFault_Handler,Default_Handler + + .weak UsageFault_Handler + .thumb_set UsageFault_Handler,Default_Handler + + .weak SVC_Handler + .thumb_set SVC_Handler,Default_Handler + + .weak DebugMon_Handler + .thumb_set DebugMon_Handler,Default_Handler + + .weak PendSV_Handler + .thumb_set PendSV_Handler,Default_Handler + + .weak SysTick_Handler + .thumb_set SysTick_Handler,Default_Handler + + .weak WWDG_IRQHandler + .thumb_set WWDG_IRQHandler,Default_Handler + + .weak PVD_AVD_IRQHandler + .thumb_set PVD_AVD_IRQHandler,Default_Handler + + .weak TAMP_STAMP_IRQHandler + .thumb_set TAMP_STAMP_IRQHandler,Default_Handler + + .weak RTC_WKUP_IRQHandler + .thumb_set RTC_WKUP_IRQHandler,Default_Handler + + .weak FLASH_IRQHandler + .thumb_set FLASH_IRQHandler,Default_Handler + + .weak RCC_IRQHandler + .thumb_set RCC_IRQHandler,Default_Handler + + .weak EXTI0_IRQHandler + .thumb_set EXTI0_IRQHandler,Default_Handler + + .weak EXTI1_IRQHandler + .thumb_set EXTI1_IRQHandler,Default_Handler + + .weak EXTI2_IRQHandler + .thumb_set EXTI2_IRQHandler,Default_Handler + + .weak EXTI3_IRQHandler + .thumb_set EXTI3_IRQHandler,Default_Handler + + .weak EXTI4_IRQHandler + .thumb_set EXTI4_IRQHandler,Default_Handler + + .weak DMA1_Stream0_IRQHandler + .thumb_set DMA1_Stream0_IRQHandler,Default_Handler + + .weak DMA1_Stream1_IRQHandler + .thumb_set DMA1_Stream1_IRQHandler,Default_Handler + + .weak DMA1_Stream2_IRQHandler + .thumb_set DMA1_Stream2_IRQHandler,Default_Handler + + .weak DMA1_Stream3_IRQHandler + .thumb_set DMA1_Stream3_IRQHandler,Default_Handler + + .weak DMA1_Stream4_IRQHandler + .thumb_set DMA1_Stream4_IRQHandler,Default_Handler + + .weak DMA1_Stream5_IRQHandler + .thumb_set DMA1_Stream5_IRQHandler,Default_Handler + + .weak DMA1_Stream6_IRQHandler + .thumb_set DMA1_Stream6_IRQHandler,Default_Handler + + .weak ADC_IRQHandler + .thumb_set ADC_IRQHandler,Default_Handler + + .weak FDCAN1_IT0_IRQHandler + .thumb_set FDCAN1_IT0_IRQHandler,Default_Handler + + .weak FDCAN2_IT0_IRQHandler + .thumb_set FDCAN2_IT0_IRQHandler,Default_Handler + + .weak FDCAN1_IT1_IRQHandler + .thumb_set FDCAN1_IT1_IRQHandler,Default_Handler + + .weak FDCAN2_IT1_IRQHandler + .thumb_set FDCAN2_IT1_IRQHandler,Default_Handler + + .weak EXTI9_5_IRQHandler + .thumb_set EXTI9_5_IRQHandler,Default_Handler + + .weak TIM1_BRK_IRQHandler + .thumb_set TIM1_BRK_IRQHandler,Default_Handler + + .weak TIM1_UP_IRQHandler + .thumb_set TIM1_UP_IRQHandler,Default_Handler + + .weak TIM1_TRG_COM_IRQHandler + .thumb_set TIM1_TRG_COM_IRQHandler,Default_Handler + + .weak TIM1_CC_IRQHandler + .thumb_set TIM1_CC_IRQHandler,Default_Handler + + .weak TIM2_IRQHandler + .thumb_set TIM2_IRQHandler,Default_Handler + + .weak TIM3_IRQHandler + .thumb_set TIM3_IRQHandler,Default_Handler + + .weak TIM4_IRQHandler + .thumb_set TIM4_IRQHandler,Default_Handler + + .weak I2C1_EV_IRQHandler + .thumb_set I2C1_EV_IRQHandler,Default_Handler + + .weak I2C1_ER_IRQHandler + .thumb_set I2C1_ER_IRQHandler,Default_Handler + + .weak I2C2_EV_IRQHandler + .thumb_set I2C2_EV_IRQHandler,Default_Handler + + .weak I2C2_ER_IRQHandler + .thumb_set I2C2_ER_IRQHandler,Default_Handler + + .weak SPI1_IRQHandler + .thumb_set SPI1_IRQHandler,Default_Handler + + .weak SPI2_IRQHandler + .thumb_set SPI2_IRQHandler,Default_Handler + + .weak USART1_IRQHandler + .thumb_set USART1_IRQHandler,Default_Handler + + .weak USART2_IRQHandler + .thumb_set USART2_IRQHandler,Default_Handler + + .weak USART3_IRQHandler + .thumb_set USART3_IRQHandler,Default_Handler + + .weak EXTI15_10_IRQHandler + .thumb_set EXTI15_10_IRQHandler,Default_Handler + + .weak RTC_Alarm_IRQHandler + .thumb_set RTC_Alarm_IRQHandler,Default_Handler + + .weak TIM8_BRK_TIM12_IRQHandler + .thumb_set TIM8_BRK_TIM12_IRQHandler,Default_Handler + + .weak TIM8_UP_TIM13_IRQHandler + .thumb_set TIM8_UP_TIM13_IRQHandler,Default_Handler + + .weak TIM8_TRG_COM_TIM14_IRQHandler + .thumb_set TIM8_TRG_COM_TIM14_IRQHandler,Default_Handler + + .weak TIM8_CC_IRQHandler + .thumb_set TIM8_CC_IRQHandler,Default_Handler + + .weak DMA1_Stream7_IRQHandler + .thumb_set DMA1_Stream7_IRQHandler,Default_Handler + + .weak FMC_IRQHandler + .thumb_set FMC_IRQHandler,Default_Handler + + .weak SDMMC1_IRQHandler + .thumb_set SDMMC1_IRQHandler,Default_Handler + + .weak TIM5_IRQHandler + .thumb_set TIM5_IRQHandler,Default_Handler + + .weak SPI3_IRQHandler + .thumb_set SPI3_IRQHandler,Default_Handler + + .weak UART4_IRQHandler + .thumb_set UART4_IRQHandler,Default_Handler + + .weak UART5_IRQHandler + .thumb_set UART5_IRQHandler,Default_Handler + + .weak TIM6_DAC_IRQHandler + .thumb_set TIM6_DAC_IRQHandler,Default_Handler + + .weak TIM7_IRQHandler + .thumb_set TIM7_IRQHandler,Default_Handler + + .weak DMA2_Stream0_IRQHandler + .thumb_set DMA2_Stream0_IRQHandler,Default_Handler + + .weak DMA2_Stream1_IRQHandler + .thumb_set DMA2_Stream1_IRQHandler,Default_Handler + + .weak DMA2_Stream2_IRQHandler + .thumb_set DMA2_Stream2_IRQHandler,Default_Handler + + .weak DMA2_Stream3_IRQHandler + .thumb_set DMA2_Stream3_IRQHandler,Default_Handler + + .weak DMA2_Stream4_IRQHandler + .thumb_set DMA2_Stream4_IRQHandler,Default_Handler + + .weak ETH_IRQHandler + .thumb_set ETH_IRQHandler,Default_Handler + + .weak ETH_WKUP_IRQHandler + .thumb_set ETH_WKUP_IRQHandler,Default_Handler + + .weak FDCAN_CAL_IRQHandler + .thumb_set FDCAN_CAL_IRQHandler,Default_Handler + + .weak DMA2_Stream5_IRQHandler + .thumb_set DMA2_Stream5_IRQHandler,Default_Handler + + .weak DMA2_Stream6_IRQHandler + .thumb_set DMA2_Stream6_IRQHandler,Default_Handler + + .weak DMA2_Stream7_IRQHandler + .thumb_set DMA2_Stream7_IRQHandler,Default_Handler + + .weak USART6_IRQHandler + .thumb_set USART6_IRQHandler,Default_Handler + + .weak I2C3_EV_IRQHandler + .thumb_set I2C3_EV_IRQHandler,Default_Handler + + .weak I2C3_ER_IRQHandler + .thumb_set I2C3_ER_IRQHandler,Default_Handler + + .weak OTG_HS_EP1_OUT_IRQHandler + .thumb_set OTG_HS_EP1_OUT_IRQHandler,Default_Handler + + .weak OTG_HS_EP1_IN_IRQHandler + .thumb_set OTG_HS_EP1_IN_IRQHandler,Default_Handler + + .weak OTG_HS_WKUP_IRQHandler + .thumb_set OTG_HS_WKUP_IRQHandler,Default_Handler + + .weak OTG_HS_IRQHandler + .thumb_set OTG_HS_IRQHandler,Default_Handler + + .weak DCMI_IRQHandler + .thumb_set DCMI_IRQHandler,Default_Handler + + .weak RNG_IRQHandler + .thumb_set RNG_IRQHandler,Default_Handler + + .weak FPU_IRQHandler + .thumb_set FPU_IRQHandler,Default_Handler + + .weak UART7_IRQHandler + .thumb_set UART7_IRQHandler,Default_Handler + + .weak UART8_IRQHandler + .thumb_set UART8_IRQHandler,Default_Handler + + .weak SPI4_IRQHandler + .thumb_set SPI4_IRQHandler,Default_Handler + + .weak SPI5_IRQHandler + .thumb_set SPI5_IRQHandler,Default_Handler + + .weak SPI6_IRQHandler + .thumb_set SPI6_IRQHandler,Default_Handler + + .weak SAI1_IRQHandler + .thumb_set SAI1_IRQHandler,Default_Handler + + .weak LTDC_IRQHandler + .thumb_set LTDC_IRQHandler,Default_Handler + + .weak LTDC_ER_IRQHandler + .thumb_set LTDC_ER_IRQHandler,Default_Handler + + .weak DMA2D_IRQHandler + .thumb_set DMA2D_IRQHandler,Default_Handler + + .weak SAI2_IRQHandler + .thumb_set SAI2_IRQHandler,Default_Handler + + .weak QUADSPI_IRQHandler + .thumb_set QUADSPI_IRQHandler,Default_Handler + + .weak LPTIM1_IRQHandler + .thumb_set LPTIM1_IRQHandler,Default_Handler + + .weak CEC_IRQHandler + .thumb_set CEC_IRQHandler,Default_Handler + + .weak I2C4_EV_IRQHandler + .thumb_set I2C4_EV_IRQHandler,Default_Handler + + .weak I2C4_ER_IRQHandler + .thumb_set I2C4_ER_IRQHandler,Default_Handler + + .weak SPDIF_RX_IRQHandler + .thumb_set SPDIF_RX_IRQHandler,Default_Handler + + .weak OTG_FS_EP1_OUT_IRQHandler + .thumb_set OTG_FS_EP1_OUT_IRQHandler,Default_Handler + + .weak OTG_FS_EP1_IN_IRQHandler + .thumb_set OTG_FS_EP1_IN_IRQHandler,Default_Handler + + .weak OTG_FS_WKUP_IRQHandler + .thumb_set OTG_FS_WKUP_IRQHandler,Default_Handler + + .weak OTG_FS_IRQHandler + .thumb_set OTG_FS_IRQHandler,Default_Handler + + .weak DMAMUX1_OVR_IRQHandler + .thumb_set DMAMUX1_OVR_IRQHandler,Default_Handler + + .weak HRTIM1_Master_IRQHandler + .thumb_set HRTIM1_Master_IRQHandler,Default_Handler + + .weak HRTIM1_TIMA_IRQHandler + .thumb_set HRTIM1_TIMA_IRQHandler,Default_Handler + + .weak HRTIM1_TIMB_IRQHandler + .thumb_set HRTIM1_TIMB_IRQHandler,Default_Handler + + .weak HRTIM1_TIMC_IRQHandler + .thumb_set HRTIM1_TIMC_IRQHandler,Default_Handler + + .weak HRTIM1_TIMD_IRQHandler + .thumb_set HRTIM1_TIMD_IRQHandler,Default_Handler + + .weak HRTIM1_TIME_IRQHandler + .thumb_set HRTIM1_TIME_IRQHandler,Default_Handler + + .weak HRTIM1_FLT_IRQHandler + .thumb_set HRTIM1_FLT_IRQHandler,Default_Handler + + .weak DFSDM1_FLT0_IRQHandler + .thumb_set DFSDM1_FLT0_IRQHandler,Default_Handler + + .weak DFSDM1_FLT1_IRQHandler + .thumb_set DFSDM1_FLT1_IRQHandler,Default_Handler + + .weak DFSDM1_FLT2_IRQHandler + .thumb_set DFSDM1_FLT2_IRQHandler,Default_Handler + + .weak DFSDM1_FLT3_IRQHandler + .thumb_set DFSDM1_FLT3_IRQHandler,Default_Handler + + .weak SAI3_IRQHandler + .thumb_set SAI3_IRQHandler,Default_Handler + + .weak SWPMI1_IRQHandler + .thumb_set SWPMI1_IRQHandler,Default_Handler + + .weak TIM15_IRQHandler + .thumb_set TIM15_IRQHandler,Default_Handler + + .weak TIM16_IRQHandler + .thumb_set TIM16_IRQHandler,Default_Handler + + .weak TIM17_IRQHandler + .thumb_set TIM17_IRQHandler,Default_Handler + + .weak MDIOS_WKUP_IRQHandler + .thumb_set MDIOS_WKUP_IRQHandler,Default_Handler + + .weak MDIOS_IRQHandler + .thumb_set MDIOS_IRQHandler,Default_Handler + + .weak JPEG_IRQHandler + .thumb_set JPEG_IRQHandler,Default_Handler + + .weak MDMA_IRQHandler + .thumb_set MDMA_IRQHandler,Default_Handler + + .weak SDMMC2_IRQHandler + .thumb_set SDMMC2_IRQHandler,Default_Handler + + .weak HSEM1_IRQHandler + .thumb_set HSEM1_IRQHandler,Default_Handler + + .weak ADC3_IRQHandler + .thumb_set ADC3_IRQHandler,Default_Handler + + .weak DMAMUX2_OVR_IRQHandler + .thumb_set DMAMUX2_OVR_IRQHandler,Default_Handler + + .weak BDMA_Channel0_IRQHandler + .thumb_set BDMA_Channel0_IRQHandler,Default_Handler + + .weak BDMA_Channel1_IRQHandler + .thumb_set BDMA_Channel1_IRQHandler,Default_Handler + + .weak BDMA_Channel2_IRQHandler + .thumb_set BDMA_Channel2_IRQHandler,Default_Handler + + .weak BDMA_Channel3_IRQHandler + .thumb_set BDMA_Channel3_IRQHandler,Default_Handler + + .weak BDMA_Channel4_IRQHandler + .thumb_set BDMA_Channel4_IRQHandler,Default_Handler + + .weak BDMA_Channel5_IRQHandler + .thumb_set BDMA_Channel5_IRQHandler,Default_Handler + + .weak BDMA_Channel6_IRQHandler + .thumb_set BDMA_Channel6_IRQHandler,Default_Handler + + .weak BDMA_Channel7_IRQHandler + .thumb_set BDMA_Channel7_IRQHandler,Default_Handler + + .weak COMP1_IRQHandler + .thumb_set COMP1_IRQHandler,Default_Handler + + .weak LPTIM2_IRQHandler + .thumb_set LPTIM2_IRQHandler,Default_Handler + + .weak LPTIM3_IRQHandler + .thumb_set LPTIM3_IRQHandler,Default_Handler + + .weak LPTIM4_IRQHandler + .thumb_set LPTIM4_IRQHandler,Default_Handler + + .weak LPTIM5_IRQHandler + .thumb_set LPTIM5_IRQHandler,Default_Handler + + .weak LPUART1_IRQHandler + .thumb_set LPUART1_IRQHandler,Default_Handler + + .weak CRS_IRQHandler + .thumb_set CRS_IRQHandler,Default_Handler + + .weak ECC_IRQHandler + .thumb_set ECC_IRQHandler,Default_Handler + + .weak SAI4_IRQHandler + .thumb_set SAI4_IRQHandler,Default_Handler + + .weak WAKEUP_PIN_IRQHandler + .thumb_set WAKEUP_PIN_IRQHandler,Default_Handler + + diff --git a/openocd.cfg b/openocd.cfg new file mode 100644 index 0000000..0e78aa2 --- /dev/null +++ b/openocd.cfg @@ -0,0 +1,3 @@ +# Sample config for stlink and stm32 boards +source [find interface/stlink.cfg] +source [find target/stm32h7x.cfg] \ No newline at end of file From cd2f8adce5dab4ef8b1c3763a6ba39041dda0fbc Mon Sep 17 00:00:00 2001 From: wispl Date: Sun, 3 May 2026 04:54:33 -0400 Subject: [PATCH 04/12] feat: faster flash writing and some misc changes --- Ganesha_II_V2/.mxproject | 1 - Ganesha_II_V2/Core/Inc/littlefs/lfs.h | 797 +++ Ganesha_II_V2/Core/Inc/littlefs/lfs_util.h | 273 + Ganesha_II_V2/Core/Src/flash/flash.c | 2 +- Ganesha_II_V2/Core/Src/flash/gd5f1gq5xe.c | 4 +- Ganesha_II_V2/Core/Src/littlefs/lfs.c | 6518 ++++++++++++++++++++ Ganesha_II_V2/Core/Src/littlefs/lfs_util.c | 37 + Ganesha_II_V2/Core/Src/main.c | 58 +- Ganesha_II_V2/Makefile | 2 +- 9 files changed, 7655 insertions(+), 37 deletions(-) create mode 100644 Ganesha_II_V2/Core/Inc/littlefs/lfs.h create mode 100644 Ganesha_II_V2/Core/Inc/littlefs/lfs_util.h create mode 100644 Ganesha_II_V2/Core/Src/littlefs/lfs.c create mode 100644 Ganesha_II_V2/Core/Src/littlefs/lfs_util.c diff --git a/Ganesha_II_V2/.mxproject b/Ganesha_II_V2/.mxproject index 5dba7b7..034894d 100644 --- a/Ganesha_II_V2/.mxproject +++ b/Ganesha_II_V2/.mxproject @@ -1,6 +1,5 @@ [PreviousLibFiles] LibFiles=Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_pcd.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_pcd_ex.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_usb.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_rcc.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_rcc_ex.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_bus.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_rcc.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_crs.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_system.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_utils.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_flash.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_flash_ex.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_gpio.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_gpio_ex.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_gpio.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_hsem.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_hsem.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_dma.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_dma_ex.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_dma.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_dmamux.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_mdma.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_pwr.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_pwr_ex.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_pwr.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_cortex.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_cortex.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_def.h;Drivers/STM32H7xx_HAL_Driver/Inc/Legacy/stm32_hal_legacy.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_i2c.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_i2c_ex.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_exti.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_exti.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_crc.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_crc_ex.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_crc.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_i2c.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_spi.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_spi.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_spi_ex.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_tim.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_tim_ex.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_tim.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_uart.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_usart.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_lpuart.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_uart_ex.h;Middlewares/ST/STM32_USB_Device_Library/Core/Inc/usbd_core.h;Middlewares/ST/STM32_USB_Device_Library/Core/Inc/usbd_ctlreq.h;Middlewares/ST/STM32_USB_Device_Library/Core/Inc/usbd_def.h;Middlewares/ST/STM32_USB_Device_Library/Core/Inc/usbd_ioreq.h;Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Inc/usbd_msc.h;Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Inc/usbd_msc_bot.h;Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Inc/usbd_msc_data.h;Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Inc/usbd_msc_scsi.h;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_pcd.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_pcd_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_ll_usb.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_rcc.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_rcc_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_flash.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_flash_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_gpio.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_hsem.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_dma.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_dma_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_mdma.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_pwr.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_pwr_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_cortex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_i2c.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_i2c_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_exti.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_crc.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_crc_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_spi.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_spi_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_tim.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_tim_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_uart.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_uart_ex.c;Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_core.c;Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_ctlreq.c;Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_ioreq.c;Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc.c;Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_bot.c;Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_data.c;Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_scsi.c;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_pcd.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_pcd_ex.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_usb.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_rcc.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_rcc_ex.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_bus.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_rcc.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_crs.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_system.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_utils.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_flash.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_flash_ex.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_gpio.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_gpio_ex.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_gpio.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_hsem.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_hsem.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_dma.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_dma_ex.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_dma.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_dmamux.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_mdma.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_pwr.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_pwr_ex.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_pwr.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_cortex.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_cortex.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_def.h;Drivers/STM32H7xx_HAL_Driver/Inc/Legacy/stm32_hal_legacy.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_i2c.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_i2c_ex.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_exti.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_exti.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_crc.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_crc_ex.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_crc.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_i2c.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_spi.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_spi.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_spi_ex.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_tim.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_tim_ex.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_tim.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_uart.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_usart.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_lpuart.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_uart_ex.h;Middlewares/ST/STM32_USB_Device_Library/Core/Inc/usbd_core.h;Middlewares/ST/STM32_USB_Device_Library/Core/Inc/usbd_ctlreq.h;Middlewares/ST/STM32_USB_Device_Library/Core/Inc/usbd_def.h;Middlewares/ST/STM32_USB_Device_Library/Core/Inc/usbd_ioreq.h;Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Inc/usbd_msc.h;Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Inc/usbd_msc_bot.h;Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Inc/usbd_msc_data.h;Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Inc/usbd_msc_scsi.h;Drivers/CMSIS/Device/ST/STM32H7xx/Include/stm32h743xx.h;Drivers/CMSIS/Device/ST/STM32H7xx/Include/stm32h7xx.h;Drivers/CMSIS/Device/ST/STM32H7xx/Include/system_stm32h7xx.h;Drivers/CMSIS/Device/ST/STM32H7xx/Include/system_stm32h7xx.h;Drivers/CMSIS/Device/ST/STM32H7xx/Source/Templates/system_stm32h7xx.c;Drivers/CMSIS/Include/core_armv81mml.h;Drivers/CMSIS/Include/mpu_armv8.h;Drivers/CMSIS/Include/core_cm23.h;Drivers/CMSIS/Include/core_cm1.h;Drivers/CMSIS/Include/core_cm0.h;Drivers/CMSIS/Include/core_cm33.h;Drivers/CMSIS/Include/cmsis_gcc.h;Drivers/CMSIS/Include/cmsis_armclang.h;Drivers/CMSIS/Include/core_armv8mbl.h;Drivers/CMSIS/Include/cmsis_compiler.h;Drivers/CMSIS/Include/core_cm4.h;Drivers/CMSIS/Include/cmsis_iccarm.h;Drivers/CMSIS/Include/core_cm7.h;Drivers/CMSIS/Include/core_sc300.h;Drivers/CMSIS/Include/core_armv8mml.h;Drivers/CMSIS/Include/core_cm35p.h;Drivers/CMSIS/Include/cmsis_armclang_ltm.h;Drivers/CMSIS/Include/core_sc000.h;Drivers/CMSIS/Include/core_cm3.h;Drivers/CMSIS/Include/cmsis_armcc.h;Drivers/CMSIS/Include/core_cm0plus.h;Drivers/CMSIS/Include/tz_context.h;Drivers/CMSIS/Include/mpu_armv7.h;Drivers/CMSIS/Include/cmsis_version.h; ->>>>>>> 5d93e2f (feat: working flash) [PreviousUsedCubeIDEFiles] SourceFiles=Core\Src\main.c;Core\Src\stm32h7xx_it.c;Core\Src\stm32h7xx_hal_msp.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_cortex.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_crc.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_crc_ex.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_rcc.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_rcc_ex.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_flash.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_flash_ex.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_gpio.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_hsem.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_dma.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_dma_ex.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_mdma.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_pwr.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_pwr_ex.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_i2c.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_i2c_ex.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_exti.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_spi.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_spi_ex.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_tim.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_tim_ex.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_uart.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_uart_ex.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_pcd.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_pcd_ex.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_ll_usb.c;Drivers\CMSIS\Device\ST\STM32H7xx\Source\Templates\system_stm32h7xx.c;Core\Src\system_stm32h7xx.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_cortex.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_crc.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_crc_ex.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_rcc.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_rcc_ex.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_flash.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_flash_ex.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_gpio.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_hsem.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_dma.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_dma_ex.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_mdma.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_pwr.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_pwr_ex.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_i2c.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_i2c_ex.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_exti.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_spi.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_spi_ex.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_tim.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_tim_ex.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_uart.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_uart_ex.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_pcd.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_pcd_ex.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_ll_usb.c;Drivers\CMSIS\Device\ST\STM32H7xx\Source\Templates\system_stm32h7xx.c;Core\Src\system_stm32h7xx.c;;; diff --git a/Ganesha_II_V2/Core/Inc/littlefs/lfs.h b/Ganesha_II_V2/Core/Inc/littlefs/lfs.h new file mode 100644 index 0000000..4531560 --- /dev/null +++ b/Ganesha_II_V2/Core/Inc/littlefs/lfs.h @@ -0,0 +1,797 @@ +/* + * The little filesystem + * + * Copyright (c) 2022, The littlefs authors. + * Copyright (c) 2017, Arm Limited. All rights reserved. + * SPDX-License-Identifier: BSD-3-Clause + */ +#ifndef LFS_H +#define LFS_H + +#include "lfs_util.h" + +#ifdef __cplusplus +extern "C" +{ +#endif + + +/// Version info /// + +// Software library version +// Major (top-nibble), incremented on backwards incompatible changes +// Minor (bottom-nibble), incremented on feature additions +#define LFS_VERSION 0x0002000a +#define LFS_VERSION_MAJOR (0xffff & (LFS_VERSION >> 16)) +#define LFS_VERSION_MINOR (0xffff & (LFS_VERSION >> 0)) + +// Version of On-disk data structures +// Major (top-nibble), incremented on backwards incompatible changes +// Minor (bottom-nibble), incremented on feature additions +#define LFS_DISK_VERSION 0x00020001 +#define LFS_DISK_VERSION_MAJOR (0xffff & (LFS_DISK_VERSION >> 16)) +#define LFS_DISK_VERSION_MINOR (0xffff & (LFS_DISK_VERSION >> 0)) + + +/// Definitions /// + +// Type definitions +typedef uint32_t lfs_size_t; +typedef uint32_t lfs_off_t; + +typedef int32_t lfs_ssize_t; +typedef int32_t lfs_soff_t; + +typedef uint32_t lfs_block_t; + +// Maximum name size in bytes, may be redefined to reduce the size of the +// info struct. Limited to <= 1022. Stored in superblock and must be +// respected by other littlefs drivers. +#ifndef LFS_NAME_MAX +#define LFS_NAME_MAX 255 +#endif + +// Maximum size of a file in bytes, may be redefined to limit to support other +// drivers. Limited on disk to <= 2147483647. Stored in superblock and must be +// respected by other littlefs drivers. +#ifndef LFS_FILE_MAX +#define LFS_FILE_MAX 2147483647 +#endif + +// Maximum size of custom attributes in bytes, may be redefined, but there is +// no real benefit to using a smaller LFS_ATTR_MAX. Limited to <= 1022. Stored +// in superblock and must be respected by other littlefs drivers. +#ifndef LFS_ATTR_MAX +#define LFS_ATTR_MAX 1022 +#endif + +// Possible error codes, these are negative to allow +// valid positive return values +enum lfs_error { + LFS_ERR_OK = 0, // No error + LFS_ERR_IO = -5, // Error during device operation + LFS_ERR_CORRUPT = -84, // Corrupted + LFS_ERR_NOENT = -2, // No directory entry + LFS_ERR_EXIST = -17, // Entry already exists + LFS_ERR_NOTDIR = -20, // Entry is not a dir + LFS_ERR_ISDIR = -21, // Entry is a dir + LFS_ERR_NOTEMPTY = -39, // Dir is not empty + LFS_ERR_BADF = -9, // Bad file number + LFS_ERR_FBIG = -27, // File too large + LFS_ERR_INVAL = -22, // Invalid parameter + LFS_ERR_NOSPC = -28, // No space left on device + LFS_ERR_NOMEM = -12, // No more memory available + LFS_ERR_NOATTR = -61, // No data/attr available + LFS_ERR_NAMETOOLONG = -36, // File name too long +}; + +// File types +enum lfs_type { + // file types + LFS_TYPE_REG = 0x001, + LFS_TYPE_DIR = 0x002, + + // internally used types + LFS_TYPE_SPLICE = 0x400, + LFS_TYPE_NAME = 0x000, + LFS_TYPE_STRUCT = 0x200, + LFS_TYPE_USERATTR = 0x300, + LFS_TYPE_FROM = 0x100, + LFS_TYPE_TAIL = 0x600, + LFS_TYPE_GLOBALS = 0x700, + LFS_TYPE_CRC = 0x500, + + // internally used type specializations + LFS_TYPE_CREATE = 0x401, + LFS_TYPE_DELETE = 0x4ff, + LFS_TYPE_SUPERBLOCK = 0x0ff, + LFS_TYPE_DIRSTRUCT = 0x200, + LFS_TYPE_CTZSTRUCT = 0x202, + LFS_TYPE_INLINESTRUCT = 0x201, + LFS_TYPE_SOFTTAIL = 0x600, + LFS_TYPE_HARDTAIL = 0x601, + LFS_TYPE_MOVESTATE = 0x7ff, + LFS_TYPE_CCRC = 0x500, + LFS_TYPE_FCRC = 0x5ff, + + // internal chip sources + LFS_FROM_NOOP = 0x000, + LFS_FROM_MOVE = 0x101, + LFS_FROM_USERATTRS = 0x102, +}; + +// File open flags +enum lfs_open_flags { + // open flags + LFS_O_RDONLY = 1, // Open a file as read only +#ifndef LFS_READONLY + LFS_O_WRONLY = 2, // Open a file as write only + LFS_O_RDWR = 3, // Open a file as read and write + LFS_O_CREAT = 0x0100, // Create a file if it does not exist + LFS_O_EXCL = 0x0200, // Fail if a file already exists + LFS_O_TRUNC = 0x0400, // Truncate the existing file to zero size + LFS_O_APPEND = 0x0800, // Move to end of file on every write +#endif + + // internally used flags +#ifndef LFS_READONLY + LFS_F_DIRTY = 0x010000, // File does not match storage + LFS_F_WRITING = 0x020000, // File has been written since last flush +#endif + LFS_F_READING = 0x040000, // File has been read since last flush +#ifndef LFS_READONLY + LFS_F_ERRED = 0x080000, // An error occurred during write +#endif + LFS_F_INLINE = 0x100000, // Currently inlined in directory entry +}; + +// File seek flags +enum lfs_whence_flags { + LFS_SEEK_SET = 0, // Seek relative to an absolute position + LFS_SEEK_CUR = 1, // Seek relative to the current file position + LFS_SEEK_END = 2, // Seek relative to the end of the file +}; + + +// Configuration provided during initialization of the littlefs +struct lfs_config { + // Opaque user provided context that can be used to pass + // information to the block device operations + void *context; + + // Read a region in a block. Negative error codes are propagated + // to the user. + int (*read)(const struct lfs_config *c, lfs_block_t block, + lfs_off_t off, void *buffer, lfs_size_t size); + + // Program a region in a block. The block must have previously + // been erased. Negative error codes are propagated to the user. + // May return LFS_ERR_CORRUPT if the block should be considered bad. + int (*prog)(const struct lfs_config *c, lfs_block_t block, + lfs_off_t off, const void *buffer, lfs_size_t size); + + // Erase a block. A block must be erased before being programmed. + // The state of an erased block is undefined. Negative error codes + // are propagated to the user. + // May return LFS_ERR_CORRUPT if the block should be considered bad. + int (*erase)(const struct lfs_config *c, lfs_block_t block); + + // Sync the state of the underlying block device. Negative error codes + // are propagated to the user. + int (*sync)(const struct lfs_config *c); + +#ifdef LFS_THREADSAFE + // Lock the underlying block device. Negative error codes + // are propagated to the user. + int (*lock)(const struct lfs_config *c); + + // Unlock the underlying block device. Negative error codes + // are propagated to the user. + int (*unlock)(const struct lfs_config *c); +#endif + + // Minimum size of a block read in bytes. All read operations will be a + // multiple of this value. + lfs_size_t read_size; + + // Minimum size of a block program in bytes. All program operations will be + // a multiple of this value. + lfs_size_t prog_size; + + // Size of an erasable block in bytes. This does not impact ram consumption + // and may be larger than the physical erase size. However, non-inlined + // files take up at minimum one block. Must be a multiple of the read and + // program sizes. + lfs_size_t block_size; + + // Number of erasable blocks on the device. Defaults to block_count stored + // on disk when zero. + lfs_size_t block_count; + + // Number of erase cycles before littlefs evicts metadata logs and moves + // the metadata to another block. Suggested values are in the + // range 100-1000, with large values having better performance at the cost + // of less consistent wear distribution. + // + // Set to -1 to disable block-level wear-leveling. + int32_t block_cycles; + + // Size of block caches in bytes. Each cache buffers a portion of a block in + // RAM. The littlefs needs a read cache, a program cache, and one additional + // cache per file. Larger caches can improve performance by storing more + // data and reducing the number of disk accesses. Must be a multiple of the + // read and program sizes, and a factor of the block size. + lfs_size_t cache_size; + + // Size of the lookahead buffer in bytes. A larger lookahead buffer + // increases the number of blocks found during an allocation pass. The + // lookahead buffer is stored as a compact bitmap, so each byte of RAM + // can track 8 blocks. + lfs_size_t lookahead_size; + + // Threshold for metadata compaction during lfs_fs_gc in bytes. Metadata + // pairs that exceed this threshold will be compacted during lfs_fs_gc. + // Defaults to ~88% block_size when zero, though the default may change + // in the future. + // + // Note this only affects lfs_fs_gc. Normal compactions still only occur + // when full. + // + // Set to -1 to disable metadata compaction during lfs_fs_gc. + lfs_size_t compact_thresh; + + // Optional statically allocated read buffer. Must be cache_size. + // By default lfs_malloc is used to allocate this buffer. + void *read_buffer; + + // Optional statically allocated program buffer. Must be cache_size. + // By default lfs_malloc is used to allocate this buffer. + void *prog_buffer; + + // Optional statically allocated lookahead buffer. Must be lookahead_size. + // By default lfs_malloc is used to allocate this buffer. + void *lookahead_buffer; + + // Optional upper limit on length of file names in bytes. No downside for + // larger names except the size of the info struct which is controlled by + // the LFS_NAME_MAX define. Defaults to LFS_NAME_MAX or name_max stored on + // disk when zero. + lfs_size_t name_max; + + // Optional upper limit on files in bytes. No downside for larger files + // but must be <= LFS_FILE_MAX. Defaults to LFS_FILE_MAX or file_max stored + // on disk when zero. + lfs_size_t file_max; + + // Optional upper limit on custom attributes in bytes. No downside for + // larger attributes size but must be <= LFS_ATTR_MAX. Defaults to + // LFS_ATTR_MAX or attr_max stored on disk when zero. + lfs_size_t attr_max; + + // Optional upper limit on total space given to metadata pairs in bytes. On + // devices with large blocks (e.g. 128kB) setting this to a low size (2-8kB) + // can help bound the metadata compaction time. Must be <= block_size. + // Defaults to block_size when zero. + lfs_size_t metadata_max; + + // Optional upper limit on inlined files in bytes. Inlined files live in + // metadata and decrease storage requirements, but may be limited to + // improve metadata-related performance. Must be <= cache_size, <= + // attr_max, and <= block_size/8. Defaults to the largest possible + // inline_max when zero. + // + // Set to -1 to disable inlined files. + lfs_size_t inline_max; + +#ifdef LFS_MULTIVERSION + // On-disk version to use when writing in the form of 16-bit major version + // + 16-bit minor version. This limiting metadata to what is supported by + // older minor versions. Note that some features will be lost. Defaults to + // to the most recent minor version when zero. + uint32_t disk_version; +#endif +}; + +// File info structure +struct lfs_info { + // Type of the file, either LFS_TYPE_REG or LFS_TYPE_DIR + uint8_t type; + + // Size of the file, only valid for REG files. Limited to 32-bits. + lfs_size_t size; + + // Name of the file stored as a null-terminated string. Limited to + // LFS_NAME_MAX+1, which can be changed by redefining LFS_NAME_MAX to + // reduce RAM. LFS_NAME_MAX is stored in superblock and must be + // respected by other littlefs drivers. + char name[LFS_NAME_MAX+1]; +}; + +// Filesystem info structure +struct lfs_fsinfo { + // On-disk version. + uint32_t disk_version; + + // Size of a logical block in bytes. + lfs_size_t block_size; + + // Number of logical blocks in filesystem. + lfs_size_t block_count; + + // Upper limit on the length of file names in bytes. + lfs_size_t name_max; + + // Upper limit on the size of files in bytes. + lfs_size_t file_max; + + // Upper limit on the size of custom attributes in bytes. + lfs_size_t attr_max; +}; + +// Custom attribute structure, used to describe custom attributes +// committed atomically during file writes. +struct lfs_attr { + // 8-bit type of attribute, provided by user and used to + // identify the attribute + uint8_t type; + + // Pointer to buffer containing the attribute + void *buffer; + + // Size of attribute in bytes, limited to LFS_ATTR_MAX + lfs_size_t size; +}; + +// Optional configuration provided during lfs_file_opencfg +struct lfs_file_config { + // Optional statically allocated file buffer. Must be cache_size. + // By default lfs_malloc is used to allocate this buffer. + void *buffer; + + // Optional list of custom attributes related to the file. If the file + // is opened with read access, these attributes will be read from disk + // during the open call. If the file is opened with write access, the + // attributes will be written to disk every file sync or close. This + // write occurs atomically with update to the file's contents. + // + // Custom attributes are uniquely identified by an 8-bit type and limited + // to LFS_ATTR_MAX bytes. When read, if the stored attribute is smaller + // than the buffer, it will be padded with zeros. If the stored attribute + // is larger, then it will be silently truncated. If the attribute is not + // found, it will be created implicitly. + struct lfs_attr *attrs; + + // Number of custom attributes in the list + lfs_size_t attr_count; +}; + + +/// internal littlefs data structures /// +typedef struct lfs_cache { + lfs_block_t block; + lfs_off_t off; + lfs_size_t size; + uint8_t *buffer; +} lfs_cache_t; + +typedef struct lfs_mdir { + lfs_block_t pair[2]; + uint32_t rev; + lfs_off_t off; + uint32_t etag; + uint16_t count; + bool erased; + bool split; + lfs_block_t tail[2]; +} lfs_mdir_t; + +// littlefs directory type +typedef struct lfs_dir { + struct lfs_dir *next; + uint16_t id; + uint8_t type; + lfs_mdir_t m; + + lfs_off_t pos; + lfs_block_t head[2]; +} lfs_dir_t; + +// littlefs file type +typedef struct lfs_file { + struct lfs_file *next; + uint16_t id; + uint8_t type; + lfs_mdir_t m; + + struct lfs_ctz { + lfs_block_t head; + lfs_size_t size; + } ctz; + + uint32_t flags; + lfs_off_t pos; + lfs_block_t block; + lfs_off_t off; + lfs_cache_t cache; + + const struct lfs_file_config *cfg; +} lfs_file_t; + +typedef struct lfs_superblock { + uint32_t version; + lfs_size_t block_size; + lfs_size_t block_count; + lfs_size_t name_max; + lfs_size_t file_max; + lfs_size_t attr_max; +} lfs_superblock_t; + +typedef struct lfs_gstate { + uint32_t tag; + lfs_block_t pair[2]; +} lfs_gstate_t; + +// The littlefs filesystem type +typedef struct lfs { + lfs_cache_t rcache; + lfs_cache_t pcache; + + lfs_block_t root[2]; + struct lfs_mlist { + struct lfs_mlist *next; + uint16_t id; + uint8_t type; + lfs_mdir_t m; + } *mlist; + uint32_t seed; + + lfs_gstate_t gstate; + lfs_gstate_t gdisk; + lfs_gstate_t gdelta; + + struct lfs_lookahead { + lfs_block_t start; + lfs_block_t size; + lfs_block_t next; + lfs_block_t ckpoint; + uint8_t *buffer; + } lookahead; + + const struct lfs_config *cfg; + lfs_size_t block_count; + lfs_size_t name_max; + lfs_size_t file_max; + lfs_size_t attr_max; + lfs_size_t inline_max; + +#ifdef LFS_MIGRATE + struct lfs1 *lfs1; +#endif +} lfs_t; + + +/// Filesystem functions /// + +#ifndef LFS_READONLY +// Format a block device with the littlefs +// +// Requires a littlefs object and config struct. This clobbers the littlefs +// object, and does not leave the filesystem mounted. The config struct must +// be zeroed for defaults and backwards compatibility. +// +// Returns a negative error code on failure. +int lfs_format(lfs_t *lfs, const struct lfs_config *config); +#endif + +// Mounts a littlefs +// +// Requires a littlefs object and config struct. Multiple filesystems +// may be mounted simultaneously with multiple littlefs objects. Both +// lfs and config must be allocated while mounted. The config struct must +// be zeroed for defaults and backwards compatibility. +// +// Returns a negative error code on failure. +int lfs_mount(lfs_t *lfs, const struct lfs_config *config); + +// Unmounts a littlefs +// +// Does nothing besides releasing any allocated resources. +// Returns a negative error code on failure. +int lfs_unmount(lfs_t *lfs); + +/// General operations /// + +#ifndef LFS_READONLY +// Removes a file or directory +// +// If removing a directory, the directory must be empty. +// Returns a negative error code on failure. +int lfs_remove(lfs_t *lfs, const char *path); +#endif + +#ifndef LFS_READONLY +// Rename or move a file or directory +// +// If the destination exists, it must match the source in type. +// If the destination is a directory, the directory must be empty. +// +// Returns a negative error code on failure. +int lfs_rename(lfs_t *lfs, const char *oldpath, const char *newpath); +#endif + +// Find info about a file or directory +// +// Fills out the info structure, based on the specified file or directory. +// Returns a negative error code on failure. +int lfs_stat(lfs_t *lfs, const char *path, struct lfs_info *info); + +// Get a custom attribute +// +// Custom attributes are uniquely identified by an 8-bit type and limited +// to LFS_ATTR_MAX bytes. When read, if the stored attribute is smaller than +// the buffer, it will be padded with zeros. If the stored attribute is larger, +// then it will be silently truncated. If no attribute is found, the error +// LFS_ERR_NOATTR is returned and the buffer is filled with zeros. +// +// Returns the size of the attribute, or a negative error code on failure. +// Note, the returned size is the size of the attribute on disk, irrespective +// of the size of the buffer. This can be used to dynamically allocate a buffer +// or check for existence. +lfs_ssize_t lfs_getattr(lfs_t *lfs, const char *path, + uint8_t type, void *buffer, lfs_size_t size); + +#ifndef LFS_READONLY +// Set custom attributes +// +// Custom attributes are uniquely identified by an 8-bit type and limited +// to LFS_ATTR_MAX bytes. If an attribute is not found, it will be +// implicitly created. +// +// Returns a negative error code on failure. +int lfs_setattr(lfs_t *lfs, const char *path, + uint8_t type, const void *buffer, lfs_size_t size); +#endif + +#ifndef LFS_READONLY +// Removes a custom attribute +// +// If an attribute is not found, nothing happens. +// +// Returns a negative error code on failure. +int lfs_removeattr(lfs_t *lfs, const char *path, uint8_t type); +#endif + + +/// File operations /// + +#ifndef LFS_NO_MALLOC +// Open a file +// +// The mode that the file is opened in is determined by the flags, which +// are values from the enum lfs_open_flags that are bitwise-ored together. +// +// Returns a negative error code on failure. +int lfs_file_open(lfs_t *lfs, lfs_file_t *file, + const char *path, int flags); + +// if LFS_NO_MALLOC is defined, lfs_file_open() will fail with LFS_ERR_NOMEM +// thus use lfs_file_opencfg() with config.buffer set. +#endif + +// Open a file with extra configuration +// +// The mode that the file is opened in is determined by the flags, which +// are values from the enum lfs_open_flags that are bitwise-ored together. +// +// The config struct provides additional config options per file as described +// above. The config struct must remain allocated while the file is open, and +// the config struct must be zeroed for defaults and backwards compatibility. +// +// Returns a negative error code on failure. +int lfs_file_opencfg(lfs_t *lfs, lfs_file_t *file, + const char *path, int flags, + const struct lfs_file_config *config); + +// Close a file +// +// Any pending writes are written out to storage as though +// sync had been called and releases any allocated resources. +// +// Returns a negative error code on failure. +int lfs_file_close(lfs_t *lfs, lfs_file_t *file); + +// Synchronize a file on storage +// +// Any pending writes are written out to storage. +// Returns a negative error code on failure. +int lfs_file_sync(lfs_t *lfs, lfs_file_t *file); + +// Read data from file +// +// Takes a buffer and size indicating where to store the read data. +// Returns the number of bytes read, or a negative error code on failure. +lfs_ssize_t lfs_file_read(lfs_t *lfs, lfs_file_t *file, + void *buffer, lfs_size_t size); + +#ifndef LFS_READONLY +// Write data to file +// +// Takes a buffer and size indicating the data to write. The file will not +// actually be updated on the storage until either sync or close is called. +// +// Returns the number of bytes written, or a negative error code on failure. +lfs_ssize_t lfs_file_write(lfs_t *lfs, lfs_file_t *file, + const void *buffer, lfs_size_t size); +#endif + +// Change the position of the file +// +// The change in position is determined by the offset and whence flag. +// Returns the new position of the file, or a negative error code on failure. +lfs_soff_t lfs_file_seek(lfs_t *lfs, lfs_file_t *file, + lfs_soff_t off, int whence); + +#ifndef LFS_READONLY +// Truncates the size of the file to the specified size +// +// Returns a negative error code on failure. +int lfs_file_truncate(lfs_t *lfs, lfs_file_t *file, lfs_off_t size); +#endif + +// Return the position of the file +// +// Equivalent to lfs_file_seek(lfs, file, 0, LFS_SEEK_CUR) +// Returns the position of the file, or a negative error code on failure. +lfs_soff_t lfs_file_tell(lfs_t *lfs, lfs_file_t *file); + +// Change the position of the file to the beginning of the file +// +// Equivalent to lfs_file_seek(lfs, file, 0, LFS_SEEK_SET) +// Returns a negative error code on failure. +int lfs_file_rewind(lfs_t *lfs, lfs_file_t *file); + +// Return the size of the file +// +// Similar to lfs_file_seek(lfs, file, 0, LFS_SEEK_END) +// Returns the size of the file, or a negative error code on failure. +lfs_soff_t lfs_file_size(lfs_t *lfs, lfs_file_t *file); + + +/// Directory operations /// + +#ifndef LFS_READONLY +// Create a directory +// +// Returns a negative error code on failure. +int lfs_mkdir(lfs_t *lfs, const char *path); +#endif + +// Open a directory +// +// Once open a directory can be used with read to iterate over files. +// Returns a negative error code on failure. +int lfs_dir_open(lfs_t *lfs, lfs_dir_t *dir, const char *path); + +// Close a directory +// +// Releases any allocated resources. +// Returns a negative error code on failure. +int lfs_dir_close(lfs_t *lfs, lfs_dir_t *dir); + +// Read an entry in the directory +// +// Fills out the info structure, based on the specified file or directory. +// Returns a positive value on success, 0 at the end of directory, +// or a negative error code on failure. +int lfs_dir_read(lfs_t *lfs, lfs_dir_t *dir, struct lfs_info *info); + +// Change the position of the directory +// +// The new off must be a value previous returned from tell and specifies +// an absolute offset in the directory seek. +// +// Returns a negative error code on failure. +int lfs_dir_seek(lfs_t *lfs, lfs_dir_t *dir, lfs_off_t off); + +// Return the position of the directory +// +// The returned offset is only meant to be consumed by seek and may not make +// sense, but does indicate the current position in the directory iteration. +// +// Returns the position of the directory, or a negative error code on failure. +lfs_soff_t lfs_dir_tell(lfs_t *lfs, lfs_dir_t *dir); + +// Change the position of the directory to the beginning of the directory +// +// Returns a negative error code on failure. +int lfs_dir_rewind(lfs_t *lfs, lfs_dir_t *dir); + + +/// Filesystem-level filesystem operations + +// Find on-disk info about the filesystem +// +// Fills out the fsinfo structure based on the filesystem found on-disk. +// Returns a negative error code on failure. +int lfs_fs_stat(lfs_t *lfs, struct lfs_fsinfo *fsinfo); + +// Finds the current size of the filesystem +// +// Note: Result is best effort. If files share COW structures, the returned +// size may be larger than the filesystem actually is. +// +// Returns the number of allocated blocks, or a negative error code on failure. +lfs_ssize_t lfs_fs_size(lfs_t *lfs); + +// Traverse through all blocks in use by the filesystem +// +// The provided callback will be called with each block address that is +// currently in use by the filesystem. This can be used to determine which +// blocks are in use or how much of the storage is available. +// +// Returns a negative error code on failure. +int lfs_fs_traverse(lfs_t *lfs, int (*cb)(void*, lfs_block_t), void *data); + +#ifndef LFS_READONLY +// Attempt to make the filesystem consistent and ready for writing +// +// Calling this function is not required, consistency will be implicitly +// enforced on the first operation that writes to the filesystem, but this +// function allows the work to be performed earlier and without other +// filesystem changes. +// +// Returns a negative error code on failure. +int lfs_fs_mkconsistent(lfs_t *lfs); +#endif + +#ifndef LFS_READONLY +// Attempt any janitorial work +// +// This currently: +// 1. Calls mkconsistent if not already consistent +// 2. Compacts metadata > compact_thresh +// 3. Populates the block allocator +// +// Though additional janitorial work may be added in the future. +// +// Calling this function is not required, but may allow the offloading of +// expensive janitorial work to a less time-critical code path. +// +// Returns a negative error code on failure. Accomplishing nothing is not +// an error. +int lfs_fs_gc(lfs_t *lfs); +#endif + +#ifndef LFS_READONLY +// Grows the filesystem to a new size, updating the superblock with the new +// block count. +// +// Note: This is irreversible. +// +// Returns a negative error code on failure. +int lfs_fs_grow(lfs_t *lfs, lfs_size_t block_count); +#endif + +#ifndef LFS_READONLY +#ifdef LFS_MIGRATE +// Attempts to migrate a previous version of littlefs +// +// Behaves similarly to the lfs_format function. Attempts to mount +// the previous version of littlefs and update the filesystem so it can be +// mounted with the current version of littlefs. +// +// Requires a littlefs object and config struct. This clobbers the littlefs +// object, and does not leave the filesystem mounted. The config struct must +// be zeroed for defaults and backwards compatibility. +// +// Returns a negative error code on failure. +int lfs_migrate(lfs_t *lfs, const struct lfs_config *cfg); +#endif +#endif + + +#ifdef __cplusplus +} /* extern "C" */ +#endif + +#endif diff --git a/Ganesha_II_V2/Core/Inc/littlefs/lfs_util.h b/Ganesha_II_V2/Core/Inc/littlefs/lfs_util.h new file mode 100644 index 0000000..0aec488 --- /dev/null +++ b/Ganesha_II_V2/Core/Inc/littlefs/lfs_util.h @@ -0,0 +1,273 @@ +/* + * lfs utility functions + * + * Copyright (c) 2022, The littlefs authors. + * Copyright (c) 2017, Arm Limited. All rights reserved. + * SPDX-License-Identifier: BSD-3-Clause + */ +#ifndef LFS_UTIL_H +#define LFS_UTIL_H + +#define LFS_STRINGIZE(x) LFS_STRINGIZE2(x) +#define LFS_STRINGIZE2(x) #x + +// Users can override lfs_util.h with their own configuration by defining +// LFS_CONFIG as a header file to include (-DLFS_CONFIG=lfs_config.h). +// +// If LFS_CONFIG is used, none of the default utils will be emitted and must be +// provided by the config file. To start, I would suggest copying lfs_util.h +// and modifying as needed. +#ifdef LFS_CONFIG +#include LFS_STRINGIZE(LFS_CONFIG) +#else + +// Alternatively, users can provide a header file which defines +// macros and other things consumed by littlefs. +// +// For example, provide my_defines.h, which contains +// something like: +// +// #include +// extern void *my_malloc(size_t sz); +// #define LFS_MALLOC(sz) my_malloc(sz) +// +// And build littlefs with the header by defining LFS_DEFINES. +// (-DLFS_DEFINES=my_defines.h) + +#ifdef LFS_DEFINES +#include LFS_STRINGIZE(LFS_DEFINES) +#endif + +// System includes +#include +#include +#include +#include + +#ifndef LFS_NO_MALLOC +#include +#endif +#ifndef LFS_NO_ASSERT +#include +#endif +#if !defined(LFS_NO_DEBUG) || \ + !defined(LFS_NO_WARN) || \ + !defined(LFS_NO_ERROR) || \ + defined(LFS_YES_TRACE) +#include +#endif + +#ifdef __cplusplus +extern "C" +{ +#endif + + +// Macros, may be replaced by system specific wrappers. Arguments to these +// macros must not have side-effects as the macros can be removed for a smaller +// code footprint + +// Logging functions +#ifndef LFS_TRACE +#ifdef LFS_YES_TRACE +#define LFS_TRACE_(fmt, ...) \ + printf("%s:%d:trace: " fmt "%s\n", __FILE__, __LINE__, __VA_ARGS__) +#define LFS_TRACE(...) LFS_TRACE_(__VA_ARGS__, "") +#else +#define LFS_TRACE(...) +#endif +#endif + +#ifndef LFS_DEBUG +#ifndef LFS_NO_DEBUG +#define LFS_DEBUG_(fmt, ...) \ + printf("%s:%d:debug: " fmt "%s\n", __FILE__, __LINE__, __VA_ARGS__) +#define LFS_DEBUG(...) LFS_DEBUG_(__VA_ARGS__, "") +#else +#define LFS_DEBUG(...) +#endif +#endif + +#ifndef LFS_WARN +#ifndef LFS_NO_WARN +#define LFS_WARN_(fmt, ...) \ + printf("%s:%d:warn: " fmt "%s\n", __FILE__, __LINE__, __VA_ARGS__) +#define LFS_WARN(...) LFS_WARN_(__VA_ARGS__, "") +#else +#define LFS_WARN(...) +#endif +#endif + +#ifndef LFS_ERROR +#ifndef LFS_NO_ERROR +#define LFS_ERROR_(fmt, ...) \ + printf("%s:%d:error: " fmt "%s\n", __FILE__, __LINE__, __VA_ARGS__) +#define LFS_ERROR(...) LFS_ERROR_(__VA_ARGS__, "") +#else +#define LFS_ERROR(...) +#endif +#endif + +// Runtime assertions +#ifndef LFS_ASSERT +#ifndef LFS_NO_ASSERT +#define LFS_ASSERT(test) assert(test) +#else +#define LFS_ASSERT(test) +#endif +#endif + + +// Builtin functions, these may be replaced by more efficient +// toolchain-specific implementations. LFS_NO_INTRINSICS falls back to a more +// expensive basic C implementation for debugging purposes + +// Min/max functions for unsigned 32-bit numbers +static inline uint32_t lfs_max(uint32_t a, uint32_t b) { + return (a > b) ? a : b; +} + +static inline uint32_t lfs_min(uint32_t a, uint32_t b) { + return (a < b) ? a : b; +} + +// Align to nearest multiple of a size +static inline uint32_t lfs_aligndown(uint32_t a, uint32_t alignment) { + return a - (a % alignment); +} + +static inline uint32_t lfs_alignup(uint32_t a, uint32_t alignment) { + return lfs_aligndown(a + alignment-1, alignment); +} + +// Find the smallest power of 2 greater than or equal to a +static inline uint32_t lfs_npw2(uint32_t a) { +#if !defined(LFS_NO_INTRINSICS) && (defined(__GNUC__) || defined(__CC_ARM)) + return 32 - __builtin_clz(a-1); +#else + uint32_t r = 0; + uint32_t s; + a -= 1; + s = (a > 0xffff) << 4; a >>= s; r |= s; + s = (a > 0xff ) << 3; a >>= s; r |= s; + s = (a > 0xf ) << 2; a >>= s; r |= s; + s = (a > 0x3 ) << 1; a >>= s; r |= s; + return (r | (a >> 1)) + 1; +#endif +} + +// Count the number of trailing binary zeros in a +// lfs_ctz(0) may be undefined +static inline uint32_t lfs_ctz(uint32_t a) { +#if !defined(LFS_NO_INTRINSICS) && defined(__GNUC__) + return __builtin_ctz(a); +#else + return lfs_npw2((a & -a) + 1) - 1; +#endif +} + +// Count the number of binary ones in a +static inline uint32_t lfs_popc(uint32_t a) { +#if !defined(LFS_NO_INTRINSICS) && (defined(__GNUC__) || defined(__CC_ARM)) + return __builtin_popcount(a); +#else + a = a - ((a >> 1) & 0x55555555); + a = (a & 0x33333333) + ((a >> 2) & 0x33333333); + return (((a + (a >> 4)) & 0xf0f0f0f) * 0x1010101) >> 24; +#endif +} + +// Find the sequence comparison of a and b, this is the distance +// between a and b ignoring overflow +static inline int lfs_scmp(uint32_t a, uint32_t b) { + return (int)(unsigned)(a - b); +} + +// Convert between 32-bit little-endian and native order +static inline uint32_t lfs_fromle32(uint32_t a) { +#if (defined( BYTE_ORDER ) && defined( ORDER_LITTLE_ENDIAN ) && BYTE_ORDER == ORDER_LITTLE_ENDIAN ) || \ + (defined(__BYTE_ORDER ) && defined(__ORDER_LITTLE_ENDIAN ) && __BYTE_ORDER == __ORDER_LITTLE_ENDIAN ) || \ + (defined(__BYTE_ORDER__) && defined(__ORDER_LITTLE_ENDIAN__) && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__) + return a; +#elif !defined(LFS_NO_INTRINSICS) && ( \ + (defined( BYTE_ORDER ) && defined( ORDER_BIG_ENDIAN ) && BYTE_ORDER == ORDER_BIG_ENDIAN ) || \ + (defined(__BYTE_ORDER ) && defined(__ORDER_BIG_ENDIAN ) && __BYTE_ORDER == __ORDER_BIG_ENDIAN ) || \ + (defined(__BYTE_ORDER__) && defined(__ORDER_BIG_ENDIAN__) && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__)) + return __builtin_bswap32(a); +#else + return (((uint8_t*)&a)[0] << 0) | + (((uint8_t*)&a)[1] << 8) | + (((uint8_t*)&a)[2] << 16) | + (((uint8_t*)&a)[3] << 24); +#endif +} + +static inline uint32_t lfs_tole32(uint32_t a) { + return lfs_fromle32(a); +} + +// Convert between 32-bit big-endian and native order +static inline uint32_t lfs_frombe32(uint32_t a) { +#if !defined(LFS_NO_INTRINSICS) && ( \ + (defined( BYTE_ORDER ) && defined( ORDER_LITTLE_ENDIAN ) && BYTE_ORDER == ORDER_LITTLE_ENDIAN ) || \ + (defined(__BYTE_ORDER ) && defined(__ORDER_LITTLE_ENDIAN ) && __BYTE_ORDER == __ORDER_LITTLE_ENDIAN ) || \ + (defined(__BYTE_ORDER__) && defined(__ORDER_LITTLE_ENDIAN__) && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__)) + return __builtin_bswap32(a); +#elif (defined( BYTE_ORDER ) && defined( ORDER_BIG_ENDIAN ) && BYTE_ORDER == ORDER_BIG_ENDIAN ) || \ + (defined(__BYTE_ORDER ) && defined(__ORDER_BIG_ENDIAN ) && __BYTE_ORDER == __ORDER_BIG_ENDIAN ) || \ + (defined(__BYTE_ORDER__) && defined(__ORDER_BIG_ENDIAN__) && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__) + return a; +#else + return (((uint8_t*)&a)[0] << 24) | + (((uint8_t*)&a)[1] << 16) | + (((uint8_t*)&a)[2] << 8) | + (((uint8_t*)&a)[3] << 0); +#endif +} + +static inline uint32_t lfs_tobe32(uint32_t a) { + return lfs_frombe32(a); +} + +// Calculate CRC-32 with polynomial = 0x04c11db7 +#ifdef LFS_CRC +uint32_t lfs_crc(uint32_t crc, const void *buffer, size_t size) { + return LFS_CRC(crc, buffer, size) +} +#else +uint32_t lfs_crc(uint32_t crc, const void *buffer, size_t size); +#endif + +// Allocate memory, only used if buffers are not provided to littlefs +// +// littlefs current has no alignment requirements, as it only allocates +// byte-level buffers. +static inline void *lfs_malloc(size_t size) { +#if defined(LFS_MALLOC) + return LFS_MALLOC(size); +#elif !defined(LFS_NO_MALLOC) + return malloc(size); +#else + (void)size; + return NULL; +#endif +} + +// Deallocate memory, only used if buffers are not provided to littlefs +static inline void lfs_free(void *p) { +#if defined(LFS_FREE) + LFS_FREE(p); +#elif !defined(LFS_NO_MALLOC) + free(p); +#else + (void)p; +#endif +} + + +#ifdef __cplusplus +} /* extern "C" */ +#endif + +#endif +#endif diff --git a/Ganesha_II_V2/Core/Src/flash/flash.c b/Ganesha_II_V2/Core/Src/flash/flash.c index d878840..401164c 100644 --- a/Ganesha_II_V2/Core/Src/flash/flash.c +++ b/Ganesha_II_V2/Core/Src/flash/flash.c @@ -66,7 +66,7 @@ int flash_mount(struct flash_dev *flash, const struct lfs_config *config) lfs_mount(&(flash->lfs), config); return flash_boot_count(flash, true); } - /* flash_boot_count(flash, true); */ + flash_boot_count(flash, true); return err; } diff --git a/Ganesha_II_V2/Core/Src/flash/gd5f1gq5xe.c b/Ganesha_II_V2/Core/Src/flash/gd5f1gq5xe.c index 8e84f60..2b63b45 100644 --- a/Ganesha_II_V2/Core/Src/flash/gd5f1gq5xe.c +++ b/Ganesha_II_V2/Core/Src/flash/gd5f1gq5xe.c @@ -112,7 +112,7 @@ int gd5f1gq5xe_write(const uint32_t page, const uint16_t col, const void *buffer } chip_deselect(); - HAL_Delay(5); + HAL_Delay(1); return 0; } @@ -136,7 +136,7 @@ int gd5f1gq5xe_erase(const uint32_t page) } chip_deselect(); - HAL_Delay(25); + HAL_Delay(1); return 0; } diff --git a/Ganesha_II_V2/Core/Src/littlefs/lfs.c b/Ganesha_II_V2/Core/Src/littlefs/lfs.c new file mode 100644 index 0000000..28a632b --- /dev/null +++ b/Ganesha_II_V2/Core/Src/littlefs/lfs.c @@ -0,0 +1,6518 @@ +/* + * The little filesystem + * + * Copyright (c) 2022, The littlefs authors. + * Copyright (c) 2017, Arm Limited. All rights reserved. + * SPDX-License-Identifier: BSD-3-Clause + */ +#include "lfs.h" +#include "lfs_util.h" + + +// some constants used throughout the code +#define LFS_BLOCK_NULL ((lfs_block_t)-1) +#define LFS_BLOCK_INLINE ((lfs_block_t)-2) + +enum { + LFS_OK_RELOCATED = 1, + LFS_OK_DROPPED = 2, + LFS_OK_ORPHANED = 3, +}; + +enum { + LFS_CMP_EQ = 0, + LFS_CMP_LT = 1, + LFS_CMP_GT = 2, +}; + + +/// Caching block device operations /// + +static inline void lfs_cache_drop(lfs_t *lfs, lfs_cache_t *rcache) { + // do not zero, cheaper if cache is readonly or only going to be + // written with identical data (during relocates) + (void)lfs; + rcache->block = LFS_BLOCK_NULL; +} + +static inline void lfs_cache_zero(lfs_t *lfs, lfs_cache_t *pcache) { + // zero to avoid information leak + memset(pcache->buffer, 0xff, lfs->cfg->cache_size); + pcache->block = LFS_BLOCK_NULL; +} + +static int lfs_bd_read(lfs_t *lfs, + const lfs_cache_t *pcache, lfs_cache_t *rcache, lfs_size_t hint, + lfs_block_t block, lfs_off_t off, + void *buffer, lfs_size_t size) { + uint8_t *data = buffer; + if (off+size > lfs->cfg->block_size + || (lfs->block_count && block >= lfs->block_count)) { + return LFS_ERR_CORRUPT; + } + + while (size > 0) { + lfs_size_t diff = size; + + if (pcache && block == pcache->block && + off < pcache->off + pcache->size) { + if (off >= pcache->off) { + // is already in pcache? + diff = lfs_min(diff, pcache->size - (off-pcache->off)); + memcpy(data, &pcache->buffer[off-pcache->off], diff); + + data += diff; + off += diff; + size -= diff; + continue; + } + + // pcache takes priority + diff = lfs_min(diff, pcache->off-off); + } + + if (block == rcache->block && + off < rcache->off + rcache->size) { + if (off >= rcache->off) { + // is already in rcache? + diff = lfs_min(diff, rcache->size - (off-rcache->off)); + memcpy(data, &rcache->buffer[off-rcache->off], diff); + + data += diff; + off += diff; + size -= diff; + continue; + } + + // rcache takes priority + diff = lfs_min(diff, rcache->off-off); + } + + if (size >= hint && off % lfs->cfg->read_size == 0 && + size >= lfs->cfg->read_size) { + // bypass cache? + diff = lfs_aligndown(diff, lfs->cfg->read_size); + int err = lfs->cfg->read(lfs->cfg, block, off, data, diff); + if (err) { + return err; + } + + data += diff; + off += diff; + size -= diff; + continue; + } + + // load to cache, first condition can no longer fail + LFS_ASSERT(!lfs->block_count || block < lfs->block_count); + rcache->block = block; + rcache->off = lfs_aligndown(off, lfs->cfg->read_size); + rcache->size = lfs_min( + lfs_min( + lfs_alignup(off+hint, lfs->cfg->read_size), + lfs->cfg->block_size) + - rcache->off, + lfs->cfg->cache_size); + int err = lfs->cfg->read(lfs->cfg, rcache->block, + rcache->off, rcache->buffer, rcache->size); + LFS_ASSERT(err <= 0); + if (err) { + return err; + } + } + + return 0; +} + +static int lfs_bd_cmp(lfs_t *lfs, + const lfs_cache_t *pcache, lfs_cache_t *rcache, lfs_size_t hint, + lfs_block_t block, lfs_off_t off, + const void *buffer, lfs_size_t size) { + const uint8_t *data = buffer; + lfs_size_t diff = 0; + + for (lfs_off_t i = 0; i < size; i += diff) { + uint8_t dat[8]; + + diff = lfs_min(size-i, sizeof(dat)); + int err = lfs_bd_read(lfs, + pcache, rcache, hint-i, + block, off+i, &dat, diff); + if (err) { + return err; + } + + int res = memcmp(dat, data + i, diff); + if (res) { + return res < 0 ? LFS_CMP_LT : LFS_CMP_GT; + } + } + + return LFS_CMP_EQ; +} + +static int lfs_bd_crc(lfs_t *lfs, + const lfs_cache_t *pcache, lfs_cache_t *rcache, lfs_size_t hint, + lfs_block_t block, lfs_off_t off, lfs_size_t size, uint32_t *crc) { + lfs_size_t diff = 0; + + for (lfs_off_t i = 0; i < size; i += diff) { + uint8_t dat[8]; + diff = lfs_min(size-i, sizeof(dat)); + int err = lfs_bd_read(lfs, + pcache, rcache, hint-i, + block, off+i, &dat, diff); + if (err) { + return err; + } + + *crc = lfs_crc(*crc, &dat, diff); + } + + return 0; +} + +#ifndef LFS_READONLY +static int lfs_bd_flush(lfs_t *lfs, + lfs_cache_t *pcache, lfs_cache_t *rcache, bool validate) { + if (pcache->block != LFS_BLOCK_NULL && pcache->block != LFS_BLOCK_INLINE) { + LFS_ASSERT(pcache->block < lfs->block_count); + lfs_size_t diff = lfs_alignup(pcache->size, lfs->cfg->prog_size); + int err = lfs->cfg->prog(lfs->cfg, pcache->block, + pcache->off, pcache->buffer, diff); + LFS_ASSERT(err <= 0); + if (err) { + return err; + } + + if (validate) { + // check data on disk + lfs_cache_drop(lfs, rcache); + int res = lfs_bd_cmp(lfs, + NULL, rcache, diff, + pcache->block, pcache->off, pcache->buffer, diff); + if (res < 0) { + return res; + } + + if (res != LFS_CMP_EQ) { + return LFS_ERR_CORRUPT; + } + } + + lfs_cache_zero(lfs, pcache); + } + + return 0; +} +#endif + +#ifndef LFS_READONLY +static int lfs_bd_sync(lfs_t *lfs, + lfs_cache_t *pcache, lfs_cache_t *rcache, bool validate) { + lfs_cache_drop(lfs, rcache); + + int err = lfs_bd_flush(lfs, pcache, rcache, validate); + if (err) { + return err; + } + + err = lfs->cfg->sync(lfs->cfg); + LFS_ASSERT(err <= 0); + return err; +} +#endif + +#ifndef LFS_READONLY +static int lfs_bd_prog(lfs_t *lfs, + lfs_cache_t *pcache, lfs_cache_t *rcache, bool validate, + lfs_block_t block, lfs_off_t off, + const void *buffer, lfs_size_t size) { + const uint8_t *data = buffer; + LFS_ASSERT(block == LFS_BLOCK_INLINE || block < lfs->block_count); + LFS_ASSERT(off + size <= lfs->cfg->block_size); + + while (size > 0) { + if (block == pcache->block && + off >= pcache->off && + off < pcache->off + lfs->cfg->cache_size) { + // already fits in pcache? + lfs_size_t diff = lfs_min(size, + lfs->cfg->cache_size - (off-pcache->off)); + memcpy(&pcache->buffer[off-pcache->off], data, diff); + + data += diff; + off += diff; + size -= diff; + + pcache->size = lfs_max(pcache->size, off - pcache->off); + if (pcache->size == lfs->cfg->cache_size) { + // eagerly flush out pcache if we fill up + int err = lfs_bd_flush(lfs, pcache, rcache, validate); + if (err) { + return err; + } + } + + continue; + } + + // pcache must have been flushed, either by programming and + // entire block or manually flushing the pcache + LFS_ASSERT(pcache->block == LFS_BLOCK_NULL); + + // prepare pcache, first condition can no longer fail + pcache->block = block; + pcache->off = lfs_aligndown(off, lfs->cfg->prog_size); + pcache->size = 0; + } + + return 0; +} +#endif + +#ifndef LFS_READONLY +static int lfs_bd_erase(lfs_t *lfs, lfs_block_t block) { + LFS_ASSERT(block < lfs->block_count); + int err = lfs->cfg->erase(lfs->cfg, block); + LFS_ASSERT(err <= 0); + return err; +} +#endif + + +/// Small type-level utilities /// + +// some operations on paths +static inline lfs_size_t lfs_path_namelen(const char *path) { + return strcspn(path, "/"); +} + +static inline bool lfs_path_islast(const char *path) { + lfs_size_t namelen = lfs_path_namelen(path); + return path[namelen + strspn(path + namelen, "/")] == '\0'; +} + +static inline bool lfs_path_isdir(const char *path) { + return path[lfs_path_namelen(path)] != '\0'; +} + +// operations on block pairs +static inline void lfs_pair_swap(lfs_block_t pair[2]) { + lfs_block_t t = pair[0]; + pair[0] = pair[1]; + pair[1] = t; +} + +static inline bool lfs_pair_isnull(const lfs_block_t pair[2]) { + return pair[0] == LFS_BLOCK_NULL || pair[1] == LFS_BLOCK_NULL; +} + +static inline int lfs_pair_cmp( + const lfs_block_t paira[2], + const lfs_block_t pairb[2]) { + return !(paira[0] == pairb[0] || paira[1] == pairb[1] || + paira[0] == pairb[1] || paira[1] == pairb[0]); +} + +static inline bool lfs_pair_issync( + const lfs_block_t paira[2], + const lfs_block_t pairb[2]) { + return (paira[0] == pairb[0] && paira[1] == pairb[1]) || + (paira[0] == pairb[1] && paira[1] == pairb[0]); +} + +static inline void lfs_pair_fromle32(lfs_block_t pair[2]) { + pair[0] = lfs_fromle32(pair[0]); + pair[1] = lfs_fromle32(pair[1]); +} + +#ifndef LFS_READONLY +static inline void lfs_pair_tole32(lfs_block_t pair[2]) { + pair[0] = lfs_tole32(pair[0]); + pair[1] = lfs_tole32(pair[1]); +} +#endif + +// operations on 32-bit entry tags +typedef uint32_t lfs_tag_t; +typedef int32_t lfs_stag_t; + +#define LFS_MKTAG(type, id, size) \ + (((lfs_tag_t)(type) << 20) | ((lfs_tag_t)(id) << 10) | (lfs_tag_t)(size)) + +#define LFS_MKTAG_IF(cond, type, id, size) \ + ((cond) ? LFS_MKTAG(type, id, size) : LFS_MKTAG(LFS_FROM_NOOP, 0, 0)) + +#define LFS_MKTAG_IF_ELSE(cond, type1, id1, size1, type2, id2, size2) \ + ((cond) ? LFS_MKTAG(type1, id1, size1) : LFS_MKTAG(type2, id2, size2)) + +static inline bool lfs_tag_isvalid(lfs_tag_t tag) { + return !(tag & 0x80000000); +} + +static inline bool lfs_tag_isdelete(lfs_tag_t tag) { + return ((int32_t)(tag << 22) >> 22) == -1; +} + +static inline uint16_t lfs_tag_type1(lfs_tag_t tag) { + return (tag & 0x70000000) >> 20; +} + +static inline uint16_t lfs_tag_type2(lfs_tag_t tag) { + return (tag & 0x78000000) >> 20; +} + +static inline uint16_t lfs_tag_type3(lfs_tag_t tag) { + return (tag & 0x7ff00000) >> 20; +} + +static inline uint8_t lfs_tag_chunk(lfs_tag_t tag) { + return (tag & 0x0ff00000) >> 20; +} + +static inline int8_t lfs_tag_splice(lfs_tag_t tag) { + return (int8_t)lfs_tag_chunk(tag); +} + +static inline uint16_t lfs_tag_id(lfs_tag_t tag) { + return (tag & 0x000ffc00) >> 10; +} + +static inline lfs_size_t lfs_tag_size(lfs_tag_t tag) { + return tag & 0x000003ff; +} + +static inline lfs_size_t lfs_tag_dsize(lfs_tag_t tag) { + return sizeof(tag) + lfs_tag_size(tag + lfs_tag_isdelete(tag)); +} + +// operations on attributes in attribute lists +struct lfs_mattr { + lfs_tag_t tag; + const void *buffer; +}; + +struct lfs_diskoff { + lfs_block_t block; + lfs_off_t off; +}; + +#define LFS_MKATTRS(...) \ + (struct lfs_mattr[]){__VA_ARGS__}, \ + sizeof((struct lfs_mattr[]){__VA_ARGS__}) / sizeof(struct lfs_mattr) + +// operations on global state +static inline void lfs_gstate_xor(lfs_gstate_t *a, const lfs_gstate_t *b) { + a->tag ^= b->tag; + a->pair[0] ^= b->pair[0]; + a->pair[1] ^= b->pair[1]; +} + +static inline bool lfs_gstate_iszero(const lfs_gstate_t *a) { + return a->tag == 0 + && a->pair[0] == 0 + && a->pair[1] == 0; +} + +#ifndef LFS_READONLY +static inline bool lfs_gstate_hasorphans(const lfs_gstate_t *a) { + return lfs_tag_size(a->tag); +} + +static inline uint8_t lfs_gstate_getorphans(const lfs_gstate_t *a) { + return lfs_tag_size(a->tag) & 0x1ff; +} + +static inline bool lfs_gstate_hasmove(const lfs_gstate_t *a) { + return lfs_tag_type1(a->tag); +} +#endif + +static inline bool lfs_gstate_needssuperblock(const lfs_gstate_t *a) { + return lfs_tag_size(a->tag) >> 9; +} + +static inline bool lfs_gstate_hasmovehere(const lfs_gstate_t *a, + const lfs_block_t *pair) { + return lfs_tag_type1(a->tag) && lfs_pair_cmp(a->pair, pair) == 0; +} + +static inline void lfs_gstate_fromle32(lfs_gstate_t *a) { + a->tag = lfs_fromle32(a->tag); + a->pair[0] = lfs_fromle32(a->pair[0]); + a->pair[1] = lfs_fromle32(a->pair[1]); +} + +#ifndef LFS_READONLY +static inline void lfs_gstate_tole32(lfs_gstate_t *a) { + a->tag = lfs_tole32(a->tag); + a->pair[0] = lfs_tole32(a->pair[0]); + a->pair[1] = lfs_tole32(a->pair[1]); +} +#endif + +// operations on forward-CRCs used to track erased state +struct lfs_fcrc { + lfs_size_t size; + uint32_t crc; +}; + +static void lfs_fcrc_fromle32(struct lfs_fcrc *fcrc) { + fcrc->size = lfs_fromle32(fcrc->size); + fcrc->crc = lfs_fromle32(fcrc->crc); +} + +#ifndef LFS_READONLY +static void lfs_fcrc_tole32(struct lfs_fcrc *fcrc) { + fcrc->size = lfs_tole32(fcrc->size); + fcrc->crc = lfs_tole32(fcrc->crc); +} +#endif + +// other endianness operations +static void lfs_ctz_fromle32(struct lfs_ctz *ctz) { + ctz->head = lfs_fromle32(ctz->head); + ctz->size = lfs_fromle32(ctz->size); +} + +#ifndef LFS_READONLY +static void lfs_ctz_tole32(struct lfs_ctz *ctz) { + ctz->head = lfs_tole32(ctz->head); + ctz->size = lfs_tole32(ctz->size); +} +#endif + +static inline void lfs_superblock_fromle32(lfs_superblock_t *superblock) { + superblock->version = lfs_fromle32(superblock->version); + superblock->block_size = lfs_fromle32(superblock->block_size); + superblock->block_count = lfs_fromle32(superblock->block_count); + superblock->name_max = lfs_fromle32(superblock->name_max); + superblock->file_max = lfs_fromle32(superblock->file_max); + superblock->attr_max = lfs_fromle32(superblock->attr_max); +} + +#ifndef LFS_READONLY +static inline void lfs_superblock_tole32(lfs_superblock_t *superblock) { + superblock->version = lfs_tole32(superblock->version); + superblock->block_size = lfs_tole32(superblock->block_size); + superblock->block_count = lfs_tole32(superblock->block_count); + superblock->name_max = lfs_tole32(superblock->name_max); + superblock->file_max = lfs_tole32(superblock->file_max); + superblock->attr_max = lfs_tole32(superblock->attr_max); +} +#endif + +#ifndef LFS_NO_ASSERT +static bool lfs_mlist_isopen(struct lfs_mlist *head, + struct lfs_mlist *node) { + for (struct lfs_mlist **p = &head; *p; p = &(*p)->next) { + if (*p == (struct lfs_mlist*)node) { + return true; + } + } + + return false; +} +#endif + +static void lfs_mlist_remove(lfs_t *lfs, struct lfs_mlist *mlist) { + for (struct lfs_mlist **p = &lfs->mlist; *p; p = &(*p)->next) { + if (*p == mlist) { + *p = (*p)->next; + break; + } + } +} + +static void lfs_mlist_append(lfs_t *lfs, struct lfs_mlist *mlist) { + mlist->next = lfs->mlist; + lfs->mlist = mlist; +} + +// some other filesystem operations +static uint32_t lfs_fs_disk_version(lfs_t *lfs) { + (void)lfs; +#ifdef LFS_MULTIVERSION + if (lfs->cfg->disk_version) { + return lfs->cfg->disk_version; + } else +#endif + { + return LFS_DISK_VERSION; + } +} + +static uint16_t lfs_fs_disk_version_major(lfs_t *lfs) { + return 0xffff & (lfs_fs_disk_version(lfs) >> 16); + +} + +static uint16_t lfs_fs_disk_version_minor(lfs_t *lfs) { + return 0xffff & (lfs_fs_disk_version(lfs) >> 0); +} + + +/// Internal operations predeclared here /// +#ifndef LFS_READONLY +static int lfs_dir_commit(lfs_t *lfs, lfs_mdir_t *dir, + const struct lfs_mattr *attrs, int attrcount); +static int lfs_dir_compact(lfs_t *lfs, + lfs_mdir_t *dir, const struct lfs_mattr *attrs, int attrcount, + lfs_mdir_t *source, uint16_t begin, uint16_t end); +static lfs_ssize_t lfs_file_flushedwrite(lfs_t *lfs, lfs_file_t *file, + const void *buffer, lfs_size_t size); +static lfs_ssize_t lfs_file_write_(lfs_t *lfs, lfs_file_t *file, + const void *buffer, lfs_size_t size); +static int lfs_file_sync_(lfs_t *lfs, lfs_file_t *file); +static int lfs_file_outline(lfs_t *lfs, lfs_file_t *file); +static int lfs_file_flush(lfs_t *lfs, lfs_file_t *file); + +static int lfs_fs_deorphan(lfs_t *lfs, bool powerloss); +static int lfs_fs_preporphans(lfs_t *lfs, int8_t orphans); +static void lfs_fs_prepmove(lfs_t *lfs, + uint16_t id, const lfs_block_t pair[2]); +static int lfs_fs_pred(lfs_t *lfs, const lfs_block_t dir[2], + lfs_mdir_t *pdir); +static lfs_stag_t lfs_fs_parent(lfs_t *lfs, const lfs_block_t dir[2], + lfs_mdir_t *parent); +static int lfs_fs_forceconsistency(lfs_t *lfs); +#endif + +static void lfs_fs_prepsuperblock(lfs_t *lfs, bool needssuperblock); + +#ifdef LFS_MIGRATE +static int lfs1_traverse(lfs_t *lfs, + int (*cb)(void*, lfs_block_t), void *data); +#endif + +static int lfs_dir_rewind_(lfs_t *lfs, lfs_dir_t *dir); + +static lfs_ssize_t lfs_file_flushedread(lfs_t *lfs, lfs_file_t *file, + void *buffer, lfs_size_t size); +static lfs_ssize_t lfs_file_read_(lfs_t *lfs, lfs_file_t *file, + void *buffer, lfs_size_t size); +static int lfs_file_close_(lfs_t *lfs, lfs_file_t *file); +static lfs_soff_t lfs_file_size_(lfs_t *lfs, lfs_file_t *file); + +static lfs_ssize_t lfs_fs_size_(lfs_t *lfs); +static int lfs_fs_traverse_(lfs_t *lfs, + int (*cb)(void *data, lfs_block_t block), void *data, + bool includeorphans); + +static int lfs_deinit(lfs_t *lfs); +static int lfs_unmount_(lfs_t *lfs); + + +/// Block allocator /// + +// allocations should call this when all allocated blocks are committed to +// the filesystem +// +// after a checkpoint, the block allocator may realloc any untracked blocks +static void lfs_alloc_ckpoint(lfs_t *lfs) { + lfs->lookahead.ckpoint = lfs->block_count; +} + +// drop the lookahead buffer, this is done during mounting and failed +// traversals in order to avoid invalid lookahead state +static void lfs_alloc_drop(lfs_t *lfs) { + lfs->lookahead.size = 0; + lfs->lookahead.next = 0; + lfs_alloc_ckpoint(lfs); +} + +#ifndef LFS_READONLY +static int lfs_alloc_lookahead(void *p, lfs_block_t block) { + lfs_t *lfs = (lfs_t*)p; + lfs_block_t off = ((block - lfs->lookahead.start) + + lfs->block_count) % lfs->block_count; + + if (off < lfs->lookahead.size) { + lfs->lookahead.buffer[off / 8] |= 1U << (off % 8); + } + + return 0; +} +#endif + +#ifndef LFS_READONLY +static int lfs_alloc_scan(lfs_t *lfs) { + // move lookahead buffer to the first unused block + // + // note we limit the lookahead buffer to at most the amount of blocks + // checkpointed, this prevents the math in lfs_alloc from underflowing + lfs->lookahead.start = (lfs->lookahead.start + lfs->lookahead.next) + % lfs->block_count; + lfs->lookahead.next = 0; + lfs->lookahead.size = lfs_min( + 8*lfs->cfg->lookahead_size, + lfs->lookahead.ckpoint); + + // find mask of free blocks from tree + memset(lfs->lookahead.buffer, 0, lfs->cfg->lookahead_size); + int err = lfs_fs_traverse_(lfs, lfs_alloc_lookahead, lfs, true); + if (err) { + lfs_alloc_drop(lfs); + return err; + } + + return 0; +} +#endif + +#ifndef LFS_READONLY +static int lfs_alloc(lfs_t *lfs, lfs_block_t *block) { + while (true) { + // scan our lookahead buffer for free blocks + while (lfs->lookahead.next < lfs->lookahead.size) { + if (!(lfs->lookahead.buffer[lfs->lookahead.next / 8] + & (1U << (lfs->lookahead.next % 8)))) { + // found a free block + *block = (lfs->lookahead.start + lfs->lookahead.next) + % lfs->block_count; + + // eagerly find next free block to maximize how many blocks + // lfs_alloc_ckpoint makes available for scanning + while (true) { + lfs->lookahead.next += 1; + lfs->lookahead.ckpoint -= 1; + + if (lfs->lookahead.next >= lfs->lookahead.size + || !(lfs->lookahead.buffer[lfs->lookahead.next / 8] + & (1U << (lfs->lookahead.next % 8)))) { + return 0; + } + } + } + + lfs->lookahead.next += 1; + lfs->lookahead.ckpoint -= 1; + } + + // In order to keep our block allocator from spinning forever when our + // filesystem is full, we mark points where there are no in-flight + // allocations with a checkpoint before starting a set of allocations. + // + // If we've looked at all blocks since the last checkpoint, we report + // the filesystem as out of storage. + // + if (lfs->lookahead.ckpoint <= 0) { + LFS_ERROR("No more free space 0x%"PRIx32, + (lfs->lookahead.start + lfs->lookahead.next) + % lfs->block_count); + return LFS_ERR_NOSPC; + } + + // No blocks in our lookahead buffer, we need to scan the filesystem for + // unused blocks in the next lookahead window. + int err = lfs_alloc_scan(lfs); + if(err) { + return err; + } + } +} +#endif + +/// Metadata pair and directory operations /// +static lfs_stag_t lfs_dir_getslice(lfs_t *lfs, const lfs_mdir_t *dir, + lfs_tag_t gmask, lfs_tag_t gtag, + lfs_off_t goff, void *gbuffer, lfs_size_t gsize) { + lfs_off_t off = dir->off; + lfs_tag_t ntag = dir->etag; + lfs_stag_t gdiff = 0; + + // synthetic moves + if (lfs_gstate_hasmovehere(&lfs->gdisk, dir->pair) && + lfs_tag_id(gmask) != 0) { + if (lfs_tag_id(lfs->gdisk.tag) == lfs_tag_id(gtag)) { + return LFS_ERR_NOENT; + } else if (lfs_tag_id(lfs->gdisk.tag) < lfs_tag_id(gtag)) { + gdiff -= LFS_MKTAG(0, 1, 0); + } + } + + // iterate over dir block backwards (for faster lookups) + while (off >= sizeof(lfs_tag_t) + lfs_tag_dsize(ntag)) { + off -= lfs_tag_dsize(ntag); + lfs_tag_t tag = ntag; + int err = lfs_bd_read(lfs, + NULL, &lfs->rcache, sizeof(ntag), + dir->pair[0], off, &ntag, sizeof(ntag)); + if (err) { + return err; + } + + ntag = (lfs_frombe32(ntag) ^ tag) & 0x7fffffff; + + if (lfs_tag_id(gmask) != 0 && + lfs_tag_type1(tag) == LFS_TYPE_SPLICE && + lfs_tag_id(tag) <= lfs_tag_id(gtag - gdiff)) { + if (tag == (LFS_MKTAG(LFS_TYPE_CREATE, 0, 0) | + (LFS_MKTAG(0, 0x3ff, 0) & (gtag - gdiff)))) { + // found where we were created + return LFS_ERR_NOENT; + } + + // move around splices + gdiff += LFS_MKTAG(0, lfs_tag_splice(tag), 0); + } + + if ((gmask & tag) == (gmask & (gtag - gdiff))) { + if (lfs_tag_isdelete(tag)) { + return LFS_ERR_NOENT; + } + + lfs_size_t diff = lfs_min(lfs_tag_size(tag), gsize); + err = lfs_bd_read(lfs, + NULL, &lfs->rcache, diff, + dir->pair[0], off+sizeof(tag)+goff, gbuffer, diff); + if (err) { + return err; + } + + memset((uint8_t*)gbuffer + diff, 0, gsize - diff); + + return tag + gdiff; + } + } + + return LFS_ERR_NOENT; +} + +static lfs_stag_t lfs_dir_get(lfs_t *lfs, const lfs_mdir_t *dir, + lfs_tag_t gmask, lfs_tag_t gtag, void *buffer) { + return lfs_dir_getslice(lfs, dir, + gmask, gtag, + 0, buffer, lfs_tag_size(gtag)); +} + +static int lfs_dir_getread(lfs_t *lfs, const lfs_mdir_t *dir, + const lfs_cache_t *pcache, lfs_cache_t *rcache, lfs_size_t hint, + lfs_tag_t gmask, lfs_tag_t gtag, + lfs_off_t off, void *buffer, lfs_size_t size) { + uint8_t *data = buffer; + if (off+size > lfs->cfg->block_size) { + return LFS_ERR_CORRUPT; + } + + while (size > 0) { + lfs_size_t diff = size; + + if (pcache && pcache->block == LFS_BLOCK_INLINE && + off < pcache->off + pcache->size) { + if (off >= pcache->off) { + // is already in pcache? + diff = lfs_min(diff, pcache->size - (off-pcache->off)); + memcpy(data, &pcache->buffer[off-pcache->off], diff); + + data += diff; + off += diff; + size -= diff; + continue; + } + + // pcache takes priority + diff = lfs_min(diff, pcache->off-off); + } + + if (rcache->block == LFS_BLOCK_INLINE && + off < rcache->off + rcache->size) { + if (off >= rcache->off) { + // is already in rcache? + diff = lfs_min(diff, rcache->size - (off-rcache->off)); + memcpy(data, &rcache->buffer[off-rcache->off], diff); + + data += diff; + off += diff; + size -= diff; + continue; + } + + // rcache takes priority + diff = lfs_min(diff, rcache->off-off); + } + + // load to cache, first condition can no longer fail + rcache->block = LFS_BLOCK_INLINE; + rcache->off = lfs_aligndown(off, lfs->cfg->read_size); + rcache->size = lfs_min(lfs_alignup(off+hint, lfs->cfg->read_size), + lfs->cfg->cache_size); + int err = lfs_dir_getslice(lfs, dir, gmask, gtag, + rcache->off, rcache->buffer, rcache->size); + if (err < 0) { + return err; + } + } + + return 0; +} + +#ifndef LFS_READONLY +static int lfs_dir_traverse_filter(void *p, + lfs_tag_t tag, const void *buffer) { + lfs_tag_t *filtertag = p; + (void)buffer; + + // which mask depends on unique bit in tag structure + uint32_t mask = (tag & LFS_MKTAG(0x100, 0, 0)) + ? LFS_MKTAG(0x7ff, 0x3ff, 0) + : LFS_MKTAG(0x700, 0x3ff, 0); + + // check for redundancy + if ((mask & tag) == (mask & *filtertag) || + lfs_tag_isdelete(*filtertag) || + (LFS_MKTAG(0x7ff, 0x3ff, 0) & tag) == ( + LFS_MKTAG(LFS_TYPE_DELETE, 0, 0) | + (LFS_MKTAG(0, 0x3ff, 0) & *filtertag))) { + *filtertag = LFS_MKTAG(LFS_FROM_NOOP, 0, 0); + return true; + } + + // check if we need to adjust for created/deleted tags + if (lfs_tag_type1(tag) == LFS_TYPE_SPLICE && + lfs_tag_id(tag) <= lfs_tag_id(*filtertag)) { + *filtertag += LFS_MKTAG(0, lfs_tag_splice(tag), 0); + } + + return false; +} +#endif + +#ifndef LFS_READONLY +// maximum recursive depth of lfs_dir_traverse, the deepest call: +// +// traverse with commit +// '-> traverse with move +// '-> traverse with filter +// +#define LFS_DIR_TRAVERSE_DEPTH 3 + +struct lfs_dir_traverse { + const lfs_mdir_t *dir; + lfs_off_t off; + lfs_tag_t ptag; + const struct lfs_mattr *attrs; + int attrcount; + + lfs_tag_t tmask; + lfs_tag_t ttag; + uint16_t begin; + uint16_t end; + int16_t diff; + + int (*cb)(void *data, lfs_tag_t tag, const void *buffer); + void *data; + + lfs_tag_t tag; + const void *buffer; + struct lfs_diskoff disk; +}; + +static int lfs_dir_traverse(lfs_t *lfs, + const lfs_mdir_t *dir, lfs_off_t off, lfs_tag_t ptag, + const struct lfs_mattr *attrs, int attrcount, + lfs_tag_t tmask, lfs_tag_t ttag, + uint16_t begin, uint16_t end, int16_t diff, + int (*cb)(void *data, lfs_tag_t tag, const void *buffer), void *data) { + // This function in inherently recursive, but bounded. To allow tool-based + // analysis without unnecessary code-cost we use an explicit stack + struct lfs_dir_traverse stack[LFS_DIR_TRAVERSE_DEPTH-1]; + unsigned sp = 0; + int res; + + // iterate over directory and attrs + lfs_tag_t tag; + const void *buffer; + struct lfs_diskoff disk = {0}; + while (true) { + { + if (off+lfs_tag_dsize(ptag) < dir->off) { + off += lfs_tag_dsize(ptag); + int err = lfs_bd_read(lfs, + NULL, &lfs->rcache, sizeof(tag), + dir->pair[0], off, &tag, sizeof(tag)); + if (err) { + return err; + } + + tag = (lfs_frombe32(tag) ^ ptag) | 0x80000000; + disk.block = dir->pair[0]; + disk.off = off+sizeof(lfs_tag_t); + buffer = &disk; + ptag = tag; + } else if (attrcount > 0) { + tag = attrs[0].tag; + buffer = attrs[0].buffer; + attrs += 1; + attrcount -= 1; + } else { + // finished traversal, pop from stack? + res = 0; + break; + } + + // do we need to filter? + lfs_tag_t mask = LFS_MKTAG(0x7ff, 0, 0); + if ((mask & tmask & tag) != (mask & tmask & ttag)) { + continue; + } + + if (lfs_tag_id(tmask) != 0) { + LFS_ASSERT(sp < LFS_DIR_TRAVERSE_DEPTH); + // recurse, scan for duplicates, and update tag based on + // creates/deletes + stack[sp] = (struct lfs_dir_traverse){ + .dir = dir, + .off = off, + .ptag = ptag, + .attrs = attrs, + .attrcount = attrcount, + .tmask = tmask, + .ttag = ttag, + .begin = begin, + .end = end, + .diff = diff, + .cb = cb, + .data = data, + .tag = tag, + .buffer = buffer, + .disk = disk, + }; + sp += 1; + + tmask = 0; + ttag = 0; + begin = 0; + end = 0; + diff = 0; + cb = lfs_dir_traverse_filter; + data = &stack[sp-1].tag; + continue; + } + } + +popped: + // in filter range? + if (lfs_tag_id(tmask) != 0 && + !(lfs_tag_id(tag) >= begin && lfs_tag_id(tag) < end)) { + continue; + } + + // handle special cases for mcu-side operations + if (lfs_tag_type3(tag) == LFS_FROM_NOOP) { + // do nothing + } else if (lfs_tag_type3(tag) == LFS_FROM_MOVE) { + // Without this condition, lfs_dir_traverse can exhibit an + // extremely expensive O(n^3) of nested loops when renaming. + // This happens because lfs_dir_traverse tries to filter tags by + // the tags in the source directory, triggering a second + // lfs_dir_traverse with its own filter operation. + // + // traverse with commit + // '-> traverse with filter + // '-> traverse with move + // '-> traverse with filter + // + // However we don't actually care about filtering the second set of + // tags, since duplicate tags have no effect when filtering. + // + // This check skips this unnecessary recursive filtering explicitly, + // reducing this runtime from O(n^3) to O(n^2). + if (cb == lfs_dir_traverse_filter) { + continue; + } + + // recurse into move + stack[sp] = (struct lfs_dir_traverse){ + .dir = dir, + .off = off, + .ptag = ptag, + .attrs = attrs, + .attrcount = attrcount, + .tmask = tmask, + .ttag = ttag, + .begin = begin, + .end = end, + .diff = diff, + .cb = cb, + .data = data, + .tag = LFS_MKTAG(LFS_FROM_NOOP, 0, 0), + }; + sp += 1; + + uint16_t fromid = lfs_tag_size(tag); + uint16_t toid = lfs_tag_id(tag); + dir = buffer; + off = 0; + ptag = 0xffffffff; + attrs = NULL; + attrcount = 0; + tmask = LFS_MKTAG(0x600, 0x3ff, 0); + ttag = LFS_MKTAG(LFS_TYPE_STRUCT, 0, 0); + begin = fromid; + end = fromid+1; + diff = toid-fromid+diff; + } else if (lfs_tag_type3(tag) == LFS_FROM_USERATTRS) { + for (unsigned i = 0; i < lfs_tag_size(tag); i++) { + const struct lfs_attr *a = buffer; + res = cb(data, LFS_MKTAG(LFS_TYPE_USERATTR + a[i].type, + lfs_tag_id(tag) + diff, a[i].size), a[i].buffer); + if (res < 0) { + return res; + } + + if (res) { + break; + } + } + } else { + res = cb(data, tag + LFS_MKTAG(0, diff, 0), buffer); + if (res < 0) { + return res; + } + + if (res) { + break; + } + } + } + + if (sp > 0) { + // pop from the stack and return, fortunately all pops share + // a destination + dir = stack[sp-1].dir; + off = stack[sp-1].off; + ptag = stack[sp-1].ptag; + attrs = stack[sp-1].attrs; + attrcount = stack[sp-1].attrcount; + tmask = stack[sp-1].tmask; + ttag = stack[sp-1].ttag; + begin = stack[sp-1].begin; + end = stack[sp-1].end; + diff = stack[sp-1].diff; + cb = stack[sp-1].cb; + data = stack[sp-1].data; + tag = stack[sp-1].tag; + buffer = stack[sp-1].buffer; + disk = stack[sp-1].disk; + sp -= 1; + goto popped; + } else { + return res; + } +} +#endif + +static lfs_stag_t lfs_dir_fetchmatch(lfs_t *lfs, + lfs_mdir_t *dir, const lfs_block_t pair[2], + lfs_tag_t fmask, lfs_tag_t ftag, uint16_t *id, + int (*cb)(void *data, lfs_tag_t tag, const void *buffer), void *data) { + // we can find tag very efficiently during a fetch, since we're already + // scanning the entire directory + lfs_stag_t besttag = -1; + + // if either block address is invalid we return LFS_ERR_CORRUPT here, + // otherwise later writes to the pair could fail + if (lfs->block_count + && (pair[0] >= lfs->block_count || pair[1] >= lfs->block_count)) { + return LFS_ERR_CORRUPT; + } + + // find the block with the most recent revision + uint32_t revs[2] = {0, 0}; + int r = 0; + for (int i = 0; i < 2; i++) { + int err = lfs_bd_read(lfs, + NULL, &lfs->rcache, sizeof(revs[i]), + pair[i], 0, &revs[i], sizeof(revs[i])); + revs[i] = lfs_fromle32(revs[i]); + if (err && err != LFS_ERR_CORRUPT) { + return err; + } + + if (err != LFS_ERR_CORRUPT && + lfs_scmp(revs[i], revs[(i+1)%2]) > 0) { + r = i; + } + } + + dir->pair[0] = pair[(r+0)%2]; + dir->pair[1] = pair[(r+1)%2]; + dir->rev = revs[(r+0)%2]; + dir->off = 0; // nonzero = found some commits + + // now scan tags to fetch the actual dir and find possible match + for (int i = 0; i < 2; i++) { + lfs_off_t off = 0; + lfs_tag_t ptag = 0xffffffff; + + uint16_t tempcount = 0; + lfs_block_t temptail[2] = {LFS_BLOCK_NULL, LFS_BLOCK_NULL}; + bool tempsplit = false; + lfs_stag_t tempbesttag = besttag; + + // assume not erased until proven otherwise + bool maybeerased = false; + bool hasfcrc = false; + struct lfs_fcrc fcrc; + + dir->rev = lfs_tole32(dir->rev); + uint32_t crc = lfs_crc(0xffffffff, &dir->rev, sizeof(dir->rev)); + dir->rev = lfs_fromle32(dir->rev); + + while (true) { + // extract next tag + lfs_tag_t tag; + off += lfs_tag_dsize(ptag); + int err = lfs_bd_read(lfs, + NULL, &lfs->rcache, lfs->cfg->block_size, + dir->pair[0], off, &tag, sizeof(tag)); + if (err) { + if (err == LFS_ERR_CORRUPT) { + // can't continue? + break; + } + return err; + } + + crc = lfs_crc(crc, &tag, sizeof(tag)); + tag = lfs_frombe32(tag) ^ ptag; + + // next commit not yet programmed? + if (!lfs_tag_isvalid(tag)) { + // we only might be erased if the last tag was a crc + maybeerased = (lfs_tag_type2(ptag) == LFS_TYPE_CCRC); + break; + // out of range? + } else if (off + lfs_tag_dsize(tag) > lfs->cfg->block_size) { + break; + } + + ptag = tag; + + if (lfs_tag_type2(tag) == LFS_TYPE_CCRC) { + // check the crc attr + uint32_t dcrc; + err = lfs_bd_read(lfs, + NULL, &lfs->rcache, lfs->cfg->block_size, + dir->pair[0], off+sizeof(tag), &dcrc, sizeof(dcrc)); + if (err) { + if (err == LFS_ERR_CORRUPT) { + break; + } + return err; + } + dcrc = lfs_fromle32(dcrc); + + if (crc != dcrc) { + break; + } + + // reset the next bit if we need to + ptag ^= (lfs_tag_t)(lfs_tag_chunk(tag) & 1U) << 31; + + // toss our crc into the filesystem seed for + // pseudorandom numbers, note we use another crc here + // as a collection function because it is sufficiently + // random and convenient + lfs->seed = lfs_crc(lfs->seed, &crc, sizeof(crc)); + + // update with what's found so far + besttag = tempbesttag; + dir->off = off + lfs_tag_dsize(tag); + dir->etag = ptag; + dir->count = tempcount; + dir->tail[0] = temptail[0]; + dir->tail[1] = temptail[1]; + dir->split = tempsplit; + + // reset crc, hasfcrc + crc = 0xffffffff; + continue; + } + + // crc the entry first, hopefully leaving it in the cache + err = lfs_bd_crc(lfs, + NULL, &lfs->rcache, lfs->cfg->block_size, + dir->pair[0], off+sizeof(tag), + lfs_tag_dsize(tag)-sizeof(tag), &crc); + if (err) { + if (err == LFS_ERR_CORRUPT) { + break; + } + return err; + } + + // directory modification tags? + if (lfs_tag_type1(tag) == LFS_TYPE_NAME) { + // increase count of files if necessary + if (lfs_tag_id(tag) >= tempcount) { + tempcount = lfs_tag_id(tag) + 1; + } + } else if (lfs_tag_type1(tag) == LFS_TYPE_SPLICE) { + tempcount += lfs_tag_splice(tag); + + if (tag == (LFS_MKTAG(LFS_TYPE_DELETE, 0, 0) | + (LFS_MKTAG(0, 0x3ff, 0) & tempbesttag))) { + tempbesttag |= 0x80000000; + } else if (tempbesttag != -1 && + lfs_tag_id(tag) <= lfs_tag_id(tempbesttag)) { + tempbesttag += LFS_MKTAG(0, lfs_tag_splice(tag), 0); + } + } else if (lfs_tag_type1(tag) == LFS_TYPE_TAIL) { + tempsplit = (lfs_tag_chunk(tag) & 1); + + err = lfs_bd_read(lfs, + NULL, &lfs->rcache, lfs->cfg->block_size, + dir->pair[0], off+sizeof(tag), &temptail, 8); + if (err) { + if (err == LFS_ERR_CORRUPT) { + break; + } + return err; + } + lfs_pair_fromle32(temptail); + } else if (lfs_tag_type3(tag) == LFS_TYPE_FCRC) { + err = lfs_bd_read(lfs, + NULL, &lfs->rcache, lfs->cfg->block_size, + dir->pair[0], off+sizeof(tag), + &fcrc, sizeof(fcrc)); + if (err) { + if (err == LFS_ERR_CORRUPT) { + break; + } + } + + lfs_fcrc_fromle32(&fcrc); + hasfcrc = true; + } + + // found a match for our fetcher? + if ((fmask & tag) == (fmask & ftag)) { + int res = cb(data, tag, &(struct lfs_diskoff){ + dir->pair[0], off+sizeof(tag)}); + if (res < 0) { + if (res == LFS_ERR_CORRUPT) { + break; + } + return res; + } + + if (res == LFS_CMP_EQ) { + // found a match + tempbesttag = tag; + } else if ((LFS_MKTAG(0x7ff, 0x3ff, 0) & tag) == + (LFS_MKTAG(0x7ff, 0x3ff, 0) & tempbesttag)) { + // found an identical tag, but contents didn't match + // this must mean that our besttag has been overwritten + tempbesttag = -1; + } else if (res == LFS_CMP_GT && + lfs_tag_id(tag) <= lfs_tag_id(tempbesttag)) { + // found a greater match, keep track to keep things sorted + tempbesttag = tag | 0x80000000; + } + } + } + + // found no valid commits? + if (dir->off == 0) { + // try the other block? + lfs_pair_swap(dir->pair); + dir->rev = revs[(r+1)%2]; + continue; + } + + // did we end on a valid commit? we may have an erased block + dir->erased = false; + if (maybeerased && dir->off % lfs->cfg->prog_size == 0) { + #ifdef LFS_MULTIVERSION + // note versions < lfs2.1 did not have fcrc tags, if + // we're < lfs2.1 treat missing fcrc as erased data + // + // we don't strictly need to do this, but otherwise writing + // to lfs2.0 disks becomes very inefficient + if (lfs_fs_disk_version(lfs) < 0x00020001) { + dir->erased = true; + + } else + #endif + if (hasfcrc) { + // check for an fcrc matching the next prog's erased state, if + // this failed most likely a previous prog was interrupted, we + // need a new erase + uint32_t fcrc_ = 0xffffffff; + int err = lfs_bd_crc(lfs, + NULL, &lfs->rcache, lfs->cfg->block_size, + dir->pair[0], dir->off, fcrc.size, &fcrc_); + if (err && err != LFS_ERR_CORRUPT) { + return err; + } + + // found beginning of erased part? + dir->erased = (fcrc_ == fcrc.crc); + } + } + + // synthetic move + if (lfs_gstate_hasmovehere(&lfs->gdisk, dir->pair)) { + if (lfs_tag_id(lfs->gdisk.tag) == lfs_tag_id(besttag)) { + besttag |= 0x80000000; + } else if (besttag != -1 && + lfs_tag_id(lfs->gdisk.tag) < lfs_tag_id(besttag)) { + besttag -= LFS_MKTAG(0, 1, 0); + } + } + + // found tag? or found best id? + if (id) { + *id = lfs_min(lfs_tag_id(besttag), dir->count); + } + + if (lfs_tag_isvalid(besttag)) { + return besttag; + } else if (lfs_tag_id(besttag) < dir->count) { + return LFS_ERR_NOENT; + } else { + return 0; + } + } + + LFS_ERROR("Corrupted dir pair at {0x%"PRIx32", 0x%"PRIx32"}", + dir->pair[0], dir->pair[1]); + return LFS_ERR_CORRUPT; +} + +static int lfs_dir_fetch(lfs_t *lfs, + lfs_mdir_t *dir, const lfs_block_t pair[2]) { + // note, mask=-1, tag=-1 can never match a tag since this + // pattern has the invalid bit set + return (int)lfs_dir_fetchmatch(lfs, dir, pair, + (lfs_tag_t)-1, (lfs_tag_t)-1, NULL, NULL, NULL); +} + +static int lfs_dir_getgstate(lfs_t *lfs, const lfs_mdir_t *dir, + lfs_gstate_t *gstate) { + lfs_gstate_t temp; + lfs_stag_t res = lfs_dir_get(lfs, dir, LFS_MKTAG(0x7ff, 0, 0), + LFS_MKTAG(LFS_TYPE_MOVESTATE, 0, sizeof(temp)), &temp); + if (res < 0 && res != LFS_ERR_NOENT) { + return res; + } + + if (res != LFS_ERR_NOENT) { + // xor together to find resulting gstate + lfs_gstate_fromle32(&temp); + lfs_gstate_xor(gstate, &temp); + } + + return 0; +} + +static int lfs_dir_getinfo(lfs_t *lfs, lfs_mdir_t *dir, + uint16_t id, struct lfs_info *info) { + if (id == 0x3ff) { + // special case for root + strcpy(info->name, "/"); + info->type = LFS_TYPE_DIR; + return 0; + } + + lfs_stag_t tag = lfs_dir_get(lfs, dir, LFS_MKTAG(0x780, 0x3ff, 0), + LFS_MKTAG(LFS_TYPE_NAME, id, lfs->name_max+1), info->name); + if (tag < 0) { + return (int)tag; + } + + info->type = lfs_tag_type3(tag); + + struct lfs_ctz ctz; + tag = lfs_dir_get(lfs, dir, LFS_MKTAG(0x700, 0x3ff, 0), + LFS_MKTAG(LFS_TYPE_STRUCT, id, sizeof(ctz)), &ctz); + if (tag < 0) { + return (int)tag; + } + lfs_ctz_fromle32(&ctz); + + if (lfs_tag_type3(tag) == LFS_TYPE_CTZSTRUCT) { + info->size = ctz.size; + } else if (lfs_tag_type3(tag) == LFS_TYPE_INLINESTRUCT) { + info->size = lfs_tag_size(tag); + } + + return 0; +} + +struct lfs_dir_find_match { + lfs_t *lfs; + const void *name; + lfs_size_t size; +}; + +static int lfs_dir_find_match(void *data, + lfs_tag_t tag, const void *buffer) { + struct lfs_dir_find_match *name = data; + lfs_t *lfs = name->lfs; + const struct lfs_diskoff *disk = buffer; + + // compare with disk + lfs_size_t diff = lfs_min(name->size, lfs_tag_size(tag)); + int res = lfs_bd_cmp(lfs, + NULL, &lfs->rcache, diff, + disk->block, disk->off, name->name, diff); + if (res != LFS_CMP_EQ) { + return res; + } + + // only equal if our size is still the same + if (name->size != lfs_tag_size(tag)) { + return (name->size < lfs_tag_size(tag)) ? LFS_CMP_LT : LFS_CMP_GT; + } + + // found a match! + return LFS_CMP_EQ; +} + +// lfs_dir_find tries to set path and id even if file is not found +// +// returns: +// - 0 if file is found +// - LFS_ERR_NOENT if file or parent is not found +// - LFS_ERR_NOTDIR if parent is not a dir +static lfs_stag_t lfs_dir_find(lfs_t *lfs, lfs_mdir_t *dir, + const char **path, uint16_t *id) { + // we reduce path to a single name if we can find it + const char *name = *path; + + // default to root dir + lfs_stag_t tag = LFS_MKTAG(LFS_TYPE_DIR, 0x3ff, 0); + dir->tail[0] = lfs->root[0]; + dir->tail[1] = lfs->root[1]; + + // empty paths are not allowed + if (*name == '\0') { + return LFS_ERR_INVAL; + } + + while (true) { +nextname: + // skip slashes if we're a directory + if (lfs_tag_type3(tag) == LFS_TYPE_DIR) { + name += strspn(name, "/"); + } + lfs_size_t namelen = strcspn(name, "/"); + + // skip '.' + if (namelen == 1 && memcmp(name, ".", 1) == 0) { + name += namelen; + goto nextname; + } + + // error on unmatched '..', trying to go above root? + if (namelen == 2 && memcmp(name, "..", 2) == 0) { + return LFS_ERR_INVAL; + } + + // skip if matched by '..' in name + const char *suffix = name + namelen; + lfs_size_t sufflen; + int depth = 1; + while (true) { + suffix += strspn(suffix, "/"); + sufflen = strcspn(suffix, "/"); + if (sufflen == 0) { + break; + } + + if (sufflen == 1 && memcmp(suffix, ".", 1) == 0) { + // noop + } else if (sufflen == 2 && memcmp(suffix, "..", 2) == 0) { + depth -= 1; + if (depth == 0) { + name = suffix + sufflen; + goto nextname; + } + } else { + depth += 1; + } + + suffix += sufflen; + } + + // found path + if (*name == '\0') { + return tag; + } + + // update what we've found so far + *path = name; + + // only continue if we're a directory + if (lfs_tag_type3(tag) != LFS_TYPE_DIR) { + return LFS_ERR_NOTDIR; + } + + // grab the entry data + if (lfs_tag_id(tag) != 0x3ff) { + lfs_stag_t res = lfs_dir_get(lfs, dir, LFS_MKTAG(0x700, 0x3ff, 0), + LFS_MKTAG(LFS_TYPE_STRUCT, lfs_tag_id(tag), 8), dir->tail); + if (res < 0) { + return res; + } + lfs_pair_fromle32(dir->tail); + } + + // find entry matching name + while (true) { + tag = lfs_dir_fetchmatch(lfs, dir, dir->tail, + LFS_MKTAG(0x780, 0, 0), + LFS_MKTAG(LFS_TYPE_NAME, 0, namelen), + id, + lfs_dir_find_match, &(struct lfs_dir_find_match){ + lfs, name, namelen}); + if (tag < 0) { + return tag; + } + + if (tag) { + break; + } + + if (!dir->split) { + return LFS_ERR_NOENT; + } + } + + // to next name + name += namelen; + } +} + +// commit logic +struct lfs_commit { + lfs_block_t block; + lfs_off_t off; + lfs_tag_t ptag; + uint32_t crc; + + lfs_off_t begin; + lfs_off_t end; +}; + +#ifndef LFS_READONLY +static int lfs_dir_commitprog(lfs_t *lfs, struct lfs_commit *commit, + const void *buffer, lfs_size_t size) { + int err = lfs_bd_prog(lfs, + &lfs->pcache, &lfs->rcache, false, + commit->block, commit->off , + (const uint8_t*)buffer, size); + if (err) { + return err; + } + + commit->crc = lfs_crc(commit->crc, buffer, size); + commit->off += size; + return 0; +} +#endif + +#ifndef LFS_READONLY +static int lfs_dir_commitattr(lfs_t *lfs, struct lfs_commit *commit, + lfs_tag_t tag, const void *buffer) { + // check if we fit + lfs_size_t dsize = lfs_tag_dsize(tag); + if (commit->off + dsize > commit->end) { + return LFS_ERR_NOSPC; + } + + // write out tag + lfs_tag_t ntag = lfs_tobe32((tag & 0x7fffffff) ^ commit->ptag); + int err = lfs_dir_commitprog(lfs, commit, &ntag, sizeof(ntag)); + if (err) { + return err; + } + + if (!(tag & 0x80000000)) { + // from memory + err = lfs_dir_commitprog(lfs, commit, buffer, dsize-sizeof(tag)); + if (err) { + return err; + } + } else { + // from disk + const struct lfs_diskoff *disk = buffer; + for (lfs_off_t i = 0; i < dsize-sizeof(tag); i++) { + // rely on caching to make this efficient + uint8_t dat; + err = lfs_bd_read(lfs, + NULL, &lfs->rcache, dsize-sizeof(tag)-i, + disk->block, disk->off+i, &dat, 1); + if (err) { + return err; + } + + err = lfs_dir_commitprog(lfs, commit, &dat, 1); + if (err) { + return err; + } + } + } + + commit->ptag = tag & 0x7fffffff; + return 0; +} +#endif + +#ifndef LFS_READONLY + +static int lfs_dir_commitcrc(lfs_t *lfs, struct lfs_commit *commit) { + // align to program units + // + // this gets a bit complex as we have two types of crcs: + // - 5-word crc with fcrc to check following prog (middle of block) + // - 2-word crc with no following prog (end of block) + const lfs_off_t end = lfs_alignup( + lfs_min(commit->off + 5*sizeof(uint32_t), lfs->cfg->block_size), + lfs->cfg->prog_size); + + lfs_off_t off1 = 0; + uint32_t crc1 = 0; + + // create crc tags to fill up remainder of commit, note that + // padding is not crced, which lets fetches skip padding but + // makes committing a bit more complicated + while (commit->off < end) { + lfs_off_t noff = ( + lfs_min(end - (commit->off+sizeof(lfs_tag_t)), 0x3fe) + + (commit->off+sizeof(lfs_tag_t))); + // too large for crc tag? need padding commits + if (noff < end) { + noff = lfs_min(noff, end - 5*sizeof(uint32_t)); + } + + // space for fcrc? + uint8_t eperturb = (uint8_t)-1; + if (noff >= end && noff <= lfs->cfg->block_size - lfs->cfg->prog_size) { + // first read the leading byte, this always contains a bit + // we can perturb to avoid writes that don't change the fcrc + int err = lfs_bd_read(lfs, + NULL, &lfs->rcache, lfs->cfg->prog_size, + commit->block, noff, &eperturb, 1); + if (err && err != LFS_ERR_CORRUPT) { + return err; + } + + #ifdef LFS_MULTIVERSION + // unfortunately fcrcs break mdir fetching < lfs2.1, so only write + // these if we're a >= lfs2.1 filesystem + if (lfs_fs_disk_version(lfs) <= 0x00020000) { + // don't write fcrc + } else + #endif + { + // find the expected fcrc, don't bother avoiding a reread + // of the eperturb, it should still be in our cache + struct lfs_fcrc fcrc = { + .size = lfs->cfg->prog_size, + .crc = 0xffffffff + }; + err = lfs_bd_crc(lfs, + NULL, &lfs->rcache, lfs->cfg->prog_size, + commit->block, noff, fcrc.size, &fcrc.crc); + if (err && err != LFS_ERR_CORRUPT) { + return err; + } + + lfs_fcrc_tole32(&fcrc); + err = lfs_dir_commitattr(lfs, commit, + LFS_MKTAG(LFS_TYPE_FCRC, 0x3ff, sizeof(struct lfs_fcrc)), + &fcrc); + if (err) { + return err; + } + } + } + + // build commit crc + struct { + lfs_tag_t tag; + uint32_t crc; + } ccrc; + lfs_tag_t ntag = LFS_MKTAG( + LFS_TYPE_CCRC + (((uint8_t)~eperturb) >> 7), 0x3ff, + noff - (commit->off+sizeof(lfs_tag_t))); + ccrc.tag = lfs_tobe32(ntag ^ commit->ptag); + commit->crc = lfs_crc(commit->crc, &ccrc.tag, sizeof(lfs_tag_t)); + ccrc.crc = lfs_tole32(commit->crc); + + int err = lfs_bd_prog(lfs, + &lfs->pcache, &lfs->rcache, false, + commit->block, commit->off, &ccrc, sizeof(ccrc)); + if (err) { + return err; + } + + // keep track of non-padding checksum to verify + if (off1 == 0) { + off1 = commit->off + sizeof(lfs_tag_t); + crc1 = commit->crc; + } + + commit->off = noff; + // perturb valid bit? + commit->ptag = ntag ^ ((0x80UL & ~eperturb) << 24); + // reset crc for next commit + commit->crc = 0xffffffff; + + // manually flush here since we don't prog the padding, this confuses + // the caching layer + if (noff >= end || noff >= lfs->pcache.off + lfs->cfg->cache_size) { + // flush buffers + int err = lfs_bd_sync(lfs, &lfs->pcache, &lfs->rcache, false); + if (err) { + return err; + } + } + } + + // successful commit, check checksums to make sure + // + // note that we don't need to check padding commits, worst + // case if they are corrupted we would have had to compact anyways + lfs_off_t off = commit->begin; + uint32_t crc = 0xffffffff; + int err = lfs_bd_crc(lfs, + NULL, &lfs->rcache, off1+sizeof(uint32_t), + commit->block, off, off1-off, &crc); + if (err) { + return err; + } + + // check non-padding commits against known crc + if (crc != crc1) { + return LFS_ERR_CORRUPT; + } + + // make sure to check crc in case we happen to pick + // up an unrelated crc (frozen block?) + err = lfs_bd_crc(lfs, + NULL, &lfs->rcache, sizeof(uint32_t), + commit->block, off1, sizeof(uint32_t), &crc); + if (err) { + return err; + } + + if (crc != 0) { + return LFS_ERR_CORRUPT; + } + + return 0; +} +#endif + +#ifndef LFS_READONLY +static int lfs_dir_alloc(lfs_t *lfs, lfs_mdir_t *dir) { + // allocate pair of dir blocks (backwards, so we write block 1 first) + for (int i = 0; i < 2; i++) { + int err = lfs_alloc(lfs, &dir->pair[(i+1)%2]); + if (err) { + return err; + } + } + + // zero for reproducibility in case initial block is unreadable + dir->rev = 0; + + // rather than clobbering one of the blocks we just pretend + // the revision may be valid + int err = lfs_bd_read(lfs, + NULL, &lfs->rcache, sizeof(dir->rev), + dir->pair[0], 0, &dir->rev, sizeof(dir->rev)); + dir->rev = lfs_fromle32(dir->rev); + if (err && err != LFS_ERR_CORRUPT) { + return err; + } + + // to make sure we don't immediately evict, align the new revision count + // to our block_cycles modulus, see lfs_dir_compact for why our modulus + // is tweaked this way + if (lfs->cfg->block_cycles > 0) { + dir->rev = lfs_alignup(dir->rev, ((lfs->cfg->block_cycles+1)|1)); + } + + // set defaults + dir->off = sizeof(dir->rev); + dir->etag = 0xffffffff; + dir->count = 0; + dir->tail[0] = LFS_BLOCK_NULL; + dir->tail[1] = LFS_BLOCK_NULL; + dir->erased = false; + dir->split = false; + + // don't write out yet, let caller take care of that + return 0; +} +#endif + +#ifndef LFS_READONLY +static int lfs_dir_drop(lfs_t *lfs, lfs_mdir_t *dir, lfs_mdir_t *tail) { + // steal state + int err = lfs_dir_getgstate(lfs, tail, &lfs->gdelta); + if (err) { + return err; + } + + // steal tail + lfs_pair_tole32(tail->tail); + err = lfs_dir_commit(lfs, dir, LFS_MKATTRS( + {LFS_MKTAG(LFS_TYPE_TAIL + tail->split, 0x3ff, 8), tail->tail})); + lfs_pair_fromle32(tail->tail); + if (err) { + return err; + } + + return 0; +} +#endif + +#ifndef LFS_READONLY +static int lfs_dir_split(lfs_t *lfs, + lfs_mdir_t *dir, const struct lfs_mattr *attrs, int attrcount, + lfs_mdir_t *source, uint16_t split, uint16_t end) { + // create tail metadata pair + lfs_mdir_t tail; + int err = lfs_dir_alloc(lfs, &tail); + if (err) { + return err; + } + + tail.split = dir->split; + tail.tail[0] = dir->tail[0]; + tail.tail[1] = dir->tail[1]; + + // note we don't care about LFS_OK_RELOCATED + int res = lfs_dir_compact(lfs, &tail, attrs, attrcount, source, split, end); + if (res < 0) { + return res; + } + + dir->tail[0] = tail.pair[0]; + dir->tail[1] = tail.pair[1]; + dir->split = true; + + // update root if needed + if (lfs_pair_cmp(dir->pair, lfs->root) == 0 && split == 0) { + lfs->root[0] = tail.pair[0]; + lfs->root[1] = tail.pair[1]; + } + + return 0; +} +#endif + +#ifndef LFS_READONLY +static int lfs_dir_commit_size(void *p, lfs_tag_t tag, const void *buffer) { + lfs_size_t *size = p; + (void)buffer; + + *size += lfs_tag_dsize(tag); + return 0; +} +#endif + +#ifndef LFS_READONLY +struct lfs_dir_commit_commit { + lfs_t *lfs; + struct lfs_commit *commit; +}; +#endif + +#ifndef LFS_READONLY +static int lfs_dir_commit_commit(void *p, lfs_tag_t tag, const void *buffer) { + struct lfs_dir_commit_commit *commit = p; + return lfs_dir_commitattr(commit->lfs, commit->commit, tag, buffer); +} +#endif + +#ifndef LFS_READONLY +static bool lfs_dir_needsrelocation(lfs_t *lfs, lfs_mdir_t *dir) { + // If our revision count == n * block_cycles, we should force a relocation, + // this is how littlefs wear-levels at the metadata-pair level. Note that we + // actually use (block_cycles+1)|1, this is to avoid two corner cases: + // 1. block_cycles = 1, which would prevent relocations from terminating + // 2. block_cycles = 2n, which, due to aliasing, would only ever relocate + // one metadata block in the pair, effectively making this useless + return (lfs->cfg->block_cycles > 0 + && ((dir->rev + 1) % ((lfs->cfg->block_cycles+1)|1) == 0)); +} +#endif + +#ifndef LFS_READONLY +static int lfs_dir_compact(lfs_t *lfs, + lfs_mdir_t *dir, const struct lfs_mattr *attrs, int attrcount, + lfs_mdir_t *source, uint16_t begin, uint16_t end) { + // save some state in case block is bad + bool relocated = false; + bool tired = lfs_dir_needsrelocation(lfs, dir); + + // increment revision count + dir->rev += 1; + + // do not proactively relocate blocks during migrations, this + // can cause a number of failure states such: clobbering the + // v1 superblock if we relocate root, and invalidating directory + // pointers if we relocate the head of a directory. On top of + // this, relocations increase the overall complexity of + // lfs_migration, which is already a delicate operation. +#ifdef LFS_MIGRATE + if (lfs->lfs1) { + tired = false; + } +#endif + + if (tired && lfs_pair_cmp(dir->pair, (const lfs_block_t[2]){0, 1}) != 0) { + // we're writing too much, time to relocate + goto relocate; + } + + // begin loop to commit compaction to blocks until a compact sticks + while (true) { + { + // setup commit state + struct lfs_commit commit = { + .block = dir->pair[1], + .off = 0, + .ptag = 0xffffffff, + .crc = 0xffffffff, + + .begin = 0, + .end = (lfs->cfg->metadata_max ? + lfs->cfg->metadata_max : lfs->cfg->block_size) - 8, + }; + + // erase block to write to + int err = lfs_bd_erase(lfs, dir->pair[1]); + if (err) { + if (err == LFS_ERR_CORRUPT) { + goto relocate; + } + return err; + } + + // write out header + dir->rev = lfs_tole32(dir->rev); + err = lfs_dir_commitprog(lfs, &commit, + &dir->rev, sizeof(dir->rev)); + dir->rev = lfs_fromle32(dir->rev); + if (err) { + if (err == LFS_ERR_CORRUPT) { + goto relocate; + } + return err; + } + + // traverse the directory, this time writing out all unique tags + err = lfs_dir_traverse(lfs, + source, 0, 0xffffffff, attrs, attrcount, + LFS_MKTAG(0x400, 0x3ff, 0), + LFS_MKTAG(LFS_TYPE_NAME, 0, 0), + begin, end, -begin, + lfs_dir_commit_commit, &(struct lfs_dir_commit_commit){ + lfs, &commit}); + if (err) { + if (err == LFS_ERR_CORRUPT) { + goto relocate; + } + return err; + } + + // commit tail, which may be new after last size check + if (!lfs_pair_isnull(dir->tail)) { + lfs_pair_tole32(dir->tail); + err = lfs_dir_commitattr(lfs, &commit, + LFS_MKTAG(LFS_TYPE_TAIL + dir->split, 0x3ff, 8), + dir->tail); + lfs_pair_fromle32(dir->tail); + if (err) { + if (err == LFS_ERR_CORRUPT) { + goto relocate; + } + return err; + } + } + + // bring over gstate? + lfs_gstate_t delta = {0}; + if (!relocated) { + lfs_gstate_xor(&delta, &lfs->gdisk); + lfs_gstate_xor(&delta, &lfs->gstate); + } + lfs_gstate_xor(&delta, &lfs->gdelta); + delta.tag &= ~LFS_MKTAG(0, 0, 0x3ff); + + err = lfs_dir_getgstate(lfs, dir, &delta); + if (err) { + return err; + } + + if (!lfs_gstate_iszero(&delta)) { + lfs_gstate_tole32(&delta); + err = lfs_dir_commitattr(lfs, &commit, + LFS_MKTAG(LFS_TYPE_MOVESTATE, 0x3ff, + sizeof(delta)), &delta); + if (err) { + if (err == LFS_ERR_CORRUPT) { + goto relocate; + } + return err; + } + } + + // complete commit with crc + err = lfs_dir_commitcrc(lfs, &commit); + if (err) { + if (err == LFS_ERR_CORRUPT) { + goto relocate; + } + return err; + } + + // successful compaction, swap dir pair to indicate most recent + LFS_ASSERT(commit.off % lfs->cfg->prog_size == 0); + lfs_pair_swap(dir->pair); + dir->count = end - begin; + dir->off = commit.off; + dir->etag = commit.ptag; + // update gstate + lfs->gdelta = (lfs_gstate_t){0}; + if (!relocated) { + lfs->gdisk = lfs->gstate; + } + } + break; + +relocate: + // commit was corrupted, drop caches and prepare to relocate block + relocated = true; + lfs_cache_drop(lfs, &lfs->pcache); + if (!tired) { + LFS_DEBUG("Bad block at 0x%"PRIx32, dir->pair[1]); + } + + // can't relocate superblock, filesystem is now frozen + if (lfs_pair_cmp(dir->pair, (const lfs_block_t[2]){0, 1}) == 0) { + LFS_WARN("Superblock 0x%"PRIx32" has become unwritable", + dir->pair[1]); + return LFS_ERR_NOSPC; + } + + // relocate half of pair + int err = lfs_alloc(lfs, &dir->pair[1]); + if (err && (err != LFS_ERR_NOSPC || !tired)) { + return err; + } + + tired = false; + continue; + } + + return relocated ? LFS_OK_RELOCATED : 0; +} +#endif + +#ifndef LFS_READONLY +static int lfs_dir_splittingcompact(lfs_t *lfs, lfs_mdir_t *dir, + const struct lfs_mattr *attrs, int attrcount, + lfs_mdir_t *source, uint16_t begin, uint16_t end) { + while (true) { + // find size of first split, we do this by halving the split until + // the metadata is guaranteed to fit + // + // Note that this isn't a true binary search, we never increase the + // split size. This may result in poorly distributed metadata but isn't + // worth the extra code size or performance hit to fix. + lfs_size_t split = begin; + while (end - split > 1) { + lfs_size_t size = 0; + int err = lfs_dir_traverse(lfs, + source, 0, 0xffffffff, attrs, attrcount, + LFS_MKTAG(0x400, 0x3ff, 0), + LFS_MKTAG(LFS_TYPE_NAME, 0, 0), + split, end, -split, + lfs_dir_commit_size, &size); + if (err) { + return err; + } + + // space is complicated, we need room for: + // + // - tail: 4+2*4 = 12 bytes + // - gstate: 4+3*4 = 16 bytes + // - move delete: 4 = 4 bytes + // - crc: 4+4 = 8 bytes + // total = 40 bytes + // + // And we cap at half a block to avoid degenerate cases with + // nearly-full metadata blocks. + // + lfs_size_t metadata_max = (lfs->cfg->metadata_max) + ? lfs->cfg->metadata_max + : lfs->cfg->block_size; + if (end - split < 0xff + && size <= lfs_min( + metadata_max - 40, + lfs_alignup( + metadata_max/2, + lfs->cfg->prog_size))) { + break; + } + + split = split + ((end - split) / 2); + } + + if (split == begin) { + // no split needed + break; + } + + // split into two metadata pairs and continue + int err = lfs_dir_split(lfs, dir, attrs, attrcount, + source, split, end); + if (err && err != LFS_ERR_NOSPC) { + return err; + } + + if (err) { + // we can't allocate a new block, try to compact with degraded + // performance + LFS_WARN("Unable to split {0x%"PRIx32", 0x%"PRIx32"}", + dir->pair[0], dir->pair[1]); + break; + } else { + end = split; + } + } + + if (lfs_dir_needsrelocation(lfs, dir) + && lfs_pair_cmp(dir->pair, (const lfs_block_t[2]){0, 1}) == 0) { + // oh no! we're writing too much to the superblock, + // should we expand? + lfs_ssize_t size = lfs_fs_size_(lfs); + if (size < 0) { + return size; + } + + // littlefs cannot reclaim expanded superblocks, so expand cautiously + // + // if our filesystem is more than ~88% full, don't expand, this is + // somewhat arbitrary + if (lfs->block_count - size > lfs->block_count/8) { + LFS_DEBUG("Expanding superblock at rev %"PRIu32, dir->rev); + int err = lfs_dir_split(lfs, dir, attrs, attrcount, + source, begin, end); + if (err && err != LFS_ERR_NOSPC) { + return err; + } + + if (err) { + // welp, we tried, if we ran out of space there's not much + // we can do, we'll error later if we've become frozen + LFS_WARN("Unable to expand superblock"); + } else { + // duplicate the superblock entry into the new superblock + end = 1; + } + } + } + + return lfs_dir_compact(lfs, dir, attrs, attrcount, source, begin, end); +} +#endif + +#ifndef LFS_READONLY +static int lfs_dir_relocatingcommit(lfs_t *lfs, lfs_mdir_t *dir, + const lfs_block_t pair[2], + const struct lfs_mattr *attrs, int attrcount, + lfs_mdir_t *pdir) { + int state = 0; + + // calculate changes to the directory + bool hasdelete = false; + for (int i = 0; i < attrcount; i++) { + if (lfs_tag_type3(attrs[i].tag) == LFS_TYPE_CREATE) { + dir->count += 1; + } else if (lfs_tag_type3(attrs[i].tag) == LFS_TYPE_DELETE) { + LFS_ASSERT(dir->count > 0); + dir->count -= 1; + hasdelete = true; + } else if (lfs_tag_type1(attrs[i].tag) == LFS_TYPE_TAIL) { + dir->tail[0] = ((lfs_block_t*)attrs[i].buffer)[0]; + dir->tail[1] = ((lfs_block_t*)attrs[i].buffer)[1]; + dir->split = (lfs_tag_chunk(attrs[i].tag) & 1); + lfs_pair_fromle32(dir->tail); + } + } + + // should we actually drop the directory block? + if (hasdelete && dir->count == 0) { + LFS_ASSERT(pdir); + int err = lfs_fs_pred(lfs, dir->pair, pdir); + if (err && err != LFS_ERR_NOENT) { + return err; + } + + if (err != LFS_ERR_NOENT && pdir->split) { + state = LFS_OK_DROPPED; + goto fixmlist; + } + } + + if (dir->erased) { + // try to commit + struct lfs_commit commit = { + .block = dir->pair[0], + .off = dir->off, + .ptag = dir->etag, + .crc = 0xffffffff, + + .begin = dir->off, + .end = (lfs->cfg->metadata_max ? + lfs->cfg->metadata_max : lfs->cfg->block_size) - 8, + }; + + // traverse attrs that need to be written out + lfs_pair_tole32(dir->tail); + int err = lfs_dir_traverse(lfs, + dir, dir->off, dir->etag, attrs, attrcount, + 0, 0, 0, 0, 0, + lfs_dir_commit_commit, &(struct lfs_dir_commit_commit){ + lfs, &commit}); + lfs_pair_fromle32(dir->tail); + if (err) { + if (err == LFS_ERR_NOSPC || err == LFS_ERR_CORRUPT) { + goto compact; + } + return err; + } + + // commit any global diffs if we have any + lfs_gstate_t delta = {0}; + lfs_gstate_xor(&delta, &lfs->gstate); + lfs_gstate_xor(&delta, &lfs->gdisk); + lfs_gstate_xor(&delta, &lfs->gdelta); + delta.tag &= ~LFS_MKTAG(0, 0, 0x3ff); + if (!lfs_gstate_iszero(&delta)) { + err = lfs_dir_getgstate(lfs, dir, &delta); + if (err) { + return err; + } + + lfs_gstate_tole32(&delta); + err = lfs_dir_commitattr(lfs, &commit, + LFS_MKTAG(LFS_TYPE_MOVESTATE, 0x3ff, + sizeof(delta)), &delta); + if (err) { + if (err == LFS_ERR_NOSPC || err == LFS_ERR_CORRUPT) { + goto compact; + } + return err; + } + } + + // finalize commit with the crc + err = lfs_dir_commitcrc(lfs, &commit); + if (err) { + if (err == LFS_ERR_NOSPC || err == LFS_ERR_CORRUPT) { + goto compact; + } + return err; + } + + // successful commit, update dir + LFS_ASSERT(commit.off % lfs->cfg->prog_size == 0); + dir->off = commit.off; + dir->etag = commit.ptag; + // and update gstate + lfs->gdisk = lfs->gstate; + lfs->gdelta = (lfs_gstate_t){0}; + + goto fixmlist; + } + +compact: + // fall back to compaction + lfs_cache_drop(lfs, &lfs->pcache); + + state = lfs_dir_splittingcompact(lfs, dir, attrs, attrcount, + dir, 0, dir->count); + if (state < 0) { + return state; + } + + goto fixmlist; + +fixmlist:; + // this complicated bit of logic is for fixing up any active + // metadata-pairs that we may have affected + // + // note we have to make two passes since the mdir passed to + // lfs_dir_commit could also be in this list, and even then + // we need to copy the pair so they don't get clobbered if we refetch + // our mdir. + lfs_block_t oldpair[2] = {pair[0], pair[1]}; + for (struct lfs_mlist *d = lfs->mlist; d; d = d->next) { + if (lfs_pair_cmp(d->m.pair, oldpair) == 0) { + d->m = *dir; + if (d->m.pair != pair) { + for (int i = 0; i < attrcount; i++) { + if (lfs_tag_type3(attrs[i].tag) == LFS_TYPE_DELETE && + d->id == lfs_tag_id(attrs[i].tag) && + d->type != LFS_TYPE_DIR) { + d->m.pair[0] = LFS_BLOCK_NULL; + d->m.pair[1] = LFS_BLOCK_NULL; + } else if (lfs_tag_type3(attrs[i].tag) == LFS_TYPE_DELETE && + d->id > lfs_tag_id(attrs[i].tag)) { + d->id -= 1; + if (d->type == LFS_TYPE_DIR) { + ((lfs_dir_t*)d)->pos -= 1; + } + } else if (lfs_tag_type3(attrs[i].tag) == LFS_TYPE_CREATE && + d->id >= lfs_tag_id(attrs[i].tag)) { + d->id += 1; + if (d->type == LFS_TYPE_DIR) { + ((lfs_dir_t*)d)->pos += 1; + } + } + } + } + + while (d->id >= d->m.count && d->m.split) { + // we split and id is on tail now + if (lfs_pair_cmp(d->m.tail, lfs->root) != 0) { + d->id -= d->m.count; + } + int err = lfs_dir_fetch(lfs, &d->m, d->m.tail); + if (err) { + return err; + } + } + } + } + + return state; +} +#endif + +#ifndef LFS_READONLY +static int lfs_dir_orphaningcommit(lfs_t *lfs, lfs_mdir_t *dir, + const struct lfs_mattr *attrs, int attrcount) { + // check for any inline files that aren't RAM backed and + // forcefully evict them, needed for filesystem consistency + for (lfs_file_t *f = (lfs_file_t*)lfs->mlist; f; f = f->next) { + if (dir != &f->m && lfs_pair_cmp(f->m.pair, dir->pair) == 0 && + f->type == LFS_TYPE_REG && (f->flags & LFS_F_INLINE) && + f->ctz.size > lfs->cfg->cache_size) { + int err = lfs_file_outline(lfs, f); + if (err) { + return err; + } + + err = lfs_file_flush(lfs, f); + if (err) { + return err; + } + } + } + + lfs_block_t lpair[2] = {dir->pair[0], dir->pair[1]}; + lfs_mdir_t ldir = *dir; + lfs_mdir_t pdir; + int state = lfs_dir_relocatingcommit(lfs, &ldir, dir->pair, + attrs, attrcount, &pdir); + if (state < 0) { + return state; + } + + // update if we're not in mlist, note we may have already been + // updated if we are in mlist + if (lfs_pair_cmp(dir->pair, lpair) == 0) { + *dir = ldir; + } + + // commit was successful, but may require other changes in the + // filesystem, these would normally be tail recursive, but we have + // flattened them here avoid unbounded stack usage + + // need to drop? + if (state == LFS_OK_DROPPED) { + // steal state + int err = lfs_dir_getgstate(lfs, dir, &lfs->gdelta); + if (err) { + return err; + } + + // steal tail, note that this can't create a recursive drop + lpair[0] = pdir.pair[0]; + lpair[1] = pdir.pair[1]; + lfs_pair_tole32(dir->tail); + state = lfs_dir_relocatingcommit(lfs, &pdir, lpair, LFS_MKATTRS( + {LFS_MKTAG(LFS_TYPE_TAIL + dir->split, 0x3ff, 8), + dir->tail}), + NULL); + lfs_pair_fromle32(dir->tail); + if (state < 0) { + return state; + } + + ldir = pdir; + } + + // need to relocate? + bool orphans = false; + while (state == LFS_OK_RELOCATED) { + LFS_DEBUG("Relocating {0x%"PRIx32", 0x%"PRIx32"} " + "-> {0x%"PRIx32", 0x%"PRIx32"}", + lpair[0], lpair[1], ldir.pair[0], ldir.pair[1]); + state = 0; + + // update internal root + if (lfs_pair_cmp(lpair, lfs->root) == 0) { + lfs->root[0] = ldir.pair[0]; + lfs->root[1] = ldir.pair[1]; + } + + // update internally tracked dirs + for (struct lfs_mlist *d = lfs->mlist; d; d = d->next) { + if (lfs_pair_cmp(lpair, d->m.pair) == 0) { + d->m.pair[0] = ldir.pair[0]; + d->m.pair[1] = ldir.pair[1]; + } + + if (d->type == LFS_TYPE_DIR && + lfs_pair_cmp(lpair, ((lfs_dir_t*)d)->head) == 0) { + ((lfs_dir_t*)d)->head[0] = ldir.pair[0]; + ((lfs_dir_t*)d)->head[1] = ldir.pair[1]; + } + } + + // find parent + lfs_stag_t tag = lfs_fs_parent(lfs, lpair, &pdir); + if (tag < 0 && tag != LFS_ERR_NOENT) { + return tag; + } + + bool hasparent = (tag != LFS_ERR_NOENT); + if (tag != LFS_ERR_NOENT) { + // note that if we have a parent, we must have a pred, so this will + // always create an orphan + int err = lfs_fs_preporphans(lfs, +1); + if (err) { + return err; + } + + // fix pending move in this pair? this looks like an optimization but + // is in fact _required_ since relocating may outdate the move. + uint16_t moveid = 0x3ff; + if (lfs_gstate_hasmovehere(&lfs->gstate, pdir.pair)) { + moveid = lfs_tag_id(lfs->gstate.tag); + LFS_DEBUG("Fixing move while relocating " + "{0x%"PRIx32", 0x%"PRIx32"} 0x%"PRIx16"\n", + pdir.pair[0], pdir.pair[1], moveid); + lfs_fs_prepmove(lfs, 0x3ff, NULL); + if (moveid < lfs_tag_id(tag)) { + tag -= LFS_MKTAG(0, 1, 0); + } + } + + lfs_block_t ppair[2] = {pdir.pair[0], pdir.pair[1]}; + lfs_pair_tole32(ldir.pair); + state = lfs_dir_relocatingcommit(lfs, &pdir, ppair, LFS_MKATTRS( + {LFS_MKTAG_IF(moveid != 0x3ff, + LFS_TYPE_DELETE, moveid, 0), NULL}, + {tag, ldir.pair}), + NULL); + lfs_pair_fromle32(ldir.pair); + if (state < 0) { + return state; + } + + if (state == LFS_OK_RELOCATED) { + lpair[0] = ppair[0]; + lpair[1] = ppair[1]; + ldir = pdir; + orphans = true; + continue; + } + } + + // find pred + int err = lfs_fs_pred(lfs, lpair, &pdir); + if (err && err != LFS_ERR_NOENT) { + return err; + } + LFS_ASSERT(!(hasparent && err == LFS_ERR_NOENT)); + + // if we can't find dir, it must be new + if (err != LFS_ERR_NOENT) { + if (lfs_gstate_hasorphans(&lfs->gstate)) { + // next step, clean up orphans + err = lfs_fs_preporphans(lfs, -(int8_t)hasparent); + if (err) { + return err; + } + } + + // fix pending move in this pair? this looks like an optimization + // but is in fact _required_ since relocating may outdate the move. + uint16_t moveid = 0x3ff; + if (lfs_gstate_hasmovehere(&lfs->gstate, pdir.pair)) { + moveid = lfs_tag_id(lfs->gstate.tag); + LFS_DEBUG("Fixing move while relocating " + "{0x%"PRIx32", 0x%"PRIx32"} 0x%"PRIx16"\n", + pdir.pair[0], pdir.pair[1], moveid); + lfs_fs_prepmove(lfs, 0x3ff, NULL); + } + + // replace bad pair, either we clean up desync, or no desync occured + lpair[0] = pdir.pair[0]; + lpair[1] = pdir.pair[1]; + lfs_pair_tole32(ldir.pair); + state = lfs_dir_relocatingcommit(lfs, &pdir, lpair, LFS_MKATTRS( + {LFS_MKTAG_IF(moveid != 0x3ff, + LFS_TYPE_DELETE, moveid, 0), NULL}, + {LFS_MKTAG(LFS_TYPE_TAIL + pdir.split, 0x3ff, 8), + ldir.pair}), + NULL); + lfs_pair_fromle32(ldir.pair); + if (state < 0) { + return state; + } + + ldir = pdir; + } + } + + return orphans ? LFS_OK_ORPHANED : 0; +} +#endif + +#ifndef LFS_READONLY +static int lfs_dir_commit(lfs_t *lfs, lfs_mdir_t *dir, + const struct lfs_mattr *attrs, int attrcount) { + int orphans = lfs_dir_orphaningcommit(lfs, dir, attrs, attrcount); + if (orphans < 0) { + return orphans; + } + + if (orphans) { + // make sure we've removed all orphans, this is a noop if there + // are none, but if we had nested blocks failures we may have + // created some + int err = lfs_fs_deorphan(lfs, false); + if (err) { + return err; + } + } + + return 0; +} +#endif + + +/// Top level directory operations /// +#ifndef LFS_READONLY +static int lfs_mkdir_(lfs_t *lfs, const char *path) { + // deorphan if we haven't yet, needed at most once after poweron + int err = lfs_fs_forceconsistency(lfs); + if (err) { + return err; + } + + struct lfs_mlist cwd; + cwd.next = lfs->mlist; + uint16_t id; + err = lfs_dir_find(lfs, &cwd.m, &path, &id); + if (!(err == LFS_ERR_NOENT && lfs_path_islast(path))) { + return (err < 0) ? err : LFS_ERR_EXIST; + } + + // check that name fits + lfs_size_t nlen = lfs_path_namelen(path); + if (nlen > lfs->name_max) { + return LFS_ERR_NAMETOOLONG; + } + + // build up new directory + lfs_alloc_ckpoint(lfs); + lfs_mdir_t dir; + err = lfs_dir_alloc(lfs, &dir); + if (err) { + return err; + } + + // find end of list + lfs_mdir_t pred = cwd.m; + while (pred.split) { + err = lfs_dir_fetch(lfs, &pred, pred.tail); + if (err) { + return err; + } + } + + // setup dir + lfs_pair_tole32(pred.tail); + err = lfs_dir_commit(lfs, &dir, LFS_MKATTRS( + {LFS_MKTAG(LFS_TYPE_SOFTTAIL, 0x3ff, 8), pred.tail})); + lfs_pair_fromle32(pred.tail); + if (err) { + return err; + } + + // current block not end of list? + if (cwd.m.split) { + // update tails, this creates a desync + err = lfs_fs_preporphans(lfs, +1); + if (err) { + return err; + } + + // it's possible our predecessor has to be relocated, and if + // our parent is our predecessor's predecessor, this could have + // caused our parent to go out of date, fortunately we can hook + // ourselves into littlefs to catch this + cwd.type = 0; + cwd.id = 0; + lfs->mlist = &cwd; + + lfs_pair_tole32(dir.pair); + err = lfs_dir_commit(lfs, &pred, LFS_MKATTRS( + {LFS_MKTAG(LFS_TYPE_SOFTTAIL, 0x3ff, 8), dir.pair})); + lfs_pair_fromle32(dir.pair); + if (err) { + lfs->mlist = cwd.next; + return err; + } + + lfs->mlist = cwd.next; + err = lfs_fs_preporphans(lfs, -1); + if (err) { + return err; + } + } + + // now insert into our parent block + lfs_pair_tole32(dir.pair); + err = lfs_dir_commit(lfs, &cwd.m, LFS_MKATTRS( + {LFS_MKTAG(LFS_TYPE_CREATE, id, 0), NULL}, + {LFS_MKTAG(LFS_TYPE_DIR, id, nlen), path}, + {LFS_MKTAG(LFS_TYPE_DIRSTRUCT, id, 8), dir.pair}, + {LFS_MKTAG_IF(!cwd.m.split, + LFS_TYPE_SOFTTAIL, 0x3ff, 8), dir.pair})); + lfs_pair_fromle32(dir.pair); + if (err) { + return err; + } + + return 0; +} +#endif + +static int lfs_dir_open_(lfs_t *lfs, lfs_dir_t *dir, const char *path) { + lfs_stag_t tag = lfs_dir_find(lfs, &dir->m, &path, NULL); + if (tag < 0) { + return tag; + } + + if (lfs_tag_type3(tag) != LFS_TYPE_DIR) { + return LFS_ERR_NOTDIR; + } + + lfs_block_t pair[2]; + if (lfs_tag_id(tag) == 0x3ff) { + // handle root dir separately + pair[0] = lfs->root[0]; + pair[1] = lfs->root[1]; + } else { + // get dir pair from parent + lfs_stag_t res = lfs_dir_get(lfs, &dir->m, LFS_MKTAG(0x700, 0x3ff, 0), + LFS_MKTAG(LFS_TYPE_STRUCT, lfs_tag_id(tag), 8), pair); + if (res < 0) { + return res; + } + lfs_pair_fromle32(pair); + } + + // fetch first pair + int err = lfs_dir_fetch(lfs, &dir->m, pair); + if (err) { + return err; + } + + // setup entry + dir->head[0] = dir->m.pair[0]; + dir->head[1] = dir->m.pair[1]; + dir->id = 0; + dir->pos = 0; + + // add to list of mdirs + dir->type = LFS_TYPE_DIR; + lfs_mlist_append(lfs, (struct lfs_mlist *)dir); + + return 0; +} + +static int lfs_dir_close_(lfs_t *lfs, lfs_dir_t *dir) { + // remove from list of mdirs + lfs_mlist_remove(lfs, (struct lfs_mlist *)dir); + + return 0; +} + +static int lfs_dir_read_(lfs_t *lfs, lfs_dir_t *dir, struct lfs_info *info) { + memset(info, 0, sizeof(*info)); + + // special offset for '.' and '..' + if (dir->pos == 0) { + info->type = LFS_TYPE_DIR; + strcpy(info->name, "."); + dir->pos += 1; + return true; + } else if (dir->pos == 1) { + info->type = LFS_TYPE_DIR; + strcpy(info->name, ".."); + dir->pos += 1; + return true; + } + + while (true) { + if (dir->id == dir->m.count) { + if (!dir->m.split) { + return false; + } + + int err = lfs_dir_fetch(lfs, &dir->m, dir->m.tail); + if (err) { + return err; + } + + dir->id = 0; + } + + int err = lfs_dir_getinfo(lfs, &dir->m, dir->id, info); + if (err && err != LFS_ERR_NOENT) { + return err; + } + + dir->id += 1; + if (err != LFS_ERR_NOENT) { + break; + } + } + + dir->pos += 1; + return true; +} + +static int lfs_dir_seek_(lfs_t *lfs, lfs_dir_t *dir, lfs_off_t off) { + // simply walk from head dir + int err = lfs_dir_rewind_(lfs, dir); + if (err) { + return err; + } + + // first two for ./.. + dir->pos = lfs_min(2, off); + off -= dir->pos; + + // skip superblock entry + dir->id = (off > 0 && lfs_pair_cmp(dir->head, lfs->root) == 0); + + while (off > 0) { + if (dir->id == dir->m.count) { + if (!dir->m.split) { + return LFS_ERR_INVAL; + } + + err = lfs_dir_fetch(lfs, &dir->m, dir->m.tail); + if (err) { + return err; + } + + dir->id = 0; + } + + int diff = lfs_min(dir->m.count - dir->id, off); + dir->id += diff; + dir->pos += diff; + off -= diff; + } + + return 0; +} + +static lfs_soff_t lfs_dir_tell_(lfs_t *lfs, lfs_dir_t *dir) { + (void)lfs; + return dir->pos; +} + +static int lfs_dir_rewind_(lfs_t *lfs, lfs_dir_t *dir) { + // reload the head dir + int err = lfs_dir_fetch(lfs, &dir->m, dir->head); + if (err) { + return err; + } + + dir->id = 0; + dir->pos = 0; + return 0; +} + + +/// File index list operations /// +static int lfs_ctz_index(lfs_t *lfs, lfs_off_t *off) { + lfs_off_t size = *off; + lfs_off_t b = lfs->cfg->block_size - 2*4; + lfs_off_t i = size / b; + if (i == 0) { + return 0; + } + + i = (size - 4*(lfs_popc(i-1)+2)) / b; + *off = size - b*i - 4*lfs_popc(i); + return i; +} + +static int lfs_ctz_find(lfs_t *lfs, + const lfs_cache_t *pcache, lfs_cache_t *rcache, + lfs_block_t head, lfs_size_t size, + lfs_size_t pos, lfs_block_t *block, lfs_off_t *off) { + if (size == 0) { + *block = LFS_BLOCK_NULL; + *off = 0; + return 0; + } + + lfs_off_t current = lfs_ctz_index(lfs, &(lfs_off_t){size-1}); + lfs_off_t target = lfs_ctz_index(lfs, &pos); + + while (current > target) { + lfs_size_t skip = lfs_min( + lfs_npw2(current-target+1) - 1, + lfs_ctz(current)); + + int err = lfs_bd_read(lfs, + pcache, rcache, sizeof(head), + head, 4*skip, &head, sizeof(head)); + head = lfs_fromle32(head); + if (err) { + return err; + } + + current -= 1 << skip; + } + + *block = head; + *off = pos; + return 0; +} + +#ifndef LFS_READONLY +static int lfs_ctz_extend(lfs_t *lfs, + lfs_cache_t *pcache, lfs_cache_t *rcache, + lfs_block_t head, lfs_size_t size, + lfs_block_t *block, lfs_off_t *off) { + while (true) { + // go ahead and grab a block + lfs_block_t nblock; + int err = lfs_alloc(lfs, &nblock); + if (err) { + return err; + } + + { + err = lfs_bd_erase(lfs, nblock); + if (err) { + if (err == LFS_ERR_CORRUPT) { + goto relocate; + } + return err; + } + + if (size == 0) { + *block = nblock; + *off = 0; + return 0; + } + + lfs_size_t noff = size - 1; + lfs_off_t index = lfs_ctz_index(lfs, &noff); + noff = noff + 1; + + // just copy out the last block if it is incomplete + if (noff != lfs->cfg->block_size) { + for (lfs_off_t i = 0; i < noff; i++) { + uint8_t data; + err = lfs_bd_read(lfs, + NULL, rcache, noff-i, + head, i, &data, 1); + if (err) { + return err; + } + + err = lfs_bd_prog(lfs, + pcache, rcache, true, + nblock, i, &data, 1); + if (err) { + if (err == LFS_ERR_CORRUPT) { + goto relocate; + } + return err; + } + } + + *block = nblock; + *off = noff; + return 0; + } + + // append block + index += 1; + lfs_size_t skips = lfs_ctz(index) + 1; + lfs_block_t nhead = head; + for (lfs_off_t i = 0; i < skips; i++) { + nhead = lfs_tole32(nhead); + err = lfs_bd_prog(lfs, pcache, rcache, true, + nblock, 4*i, &nhead, 4); + nhead = lfs_fromle32(nhead); + if (err) { + if (err == LFS_ERR_CORRUPT) { + goto relocate; + } + return err; + } + + if (i != skips-1) { + err = lfs_bd_read(lfs, + NULL, rcache, sizeof(nhead), + nhead, 4*i, &nhead, sizeof(nhead)); + nhead = lfs_fromle32(nhead); + if (err) { + return err; + } + } + } + + *block = nblock; + *off = 4*skips; + return 0; + } + +relocate: + LFS_DEBUG("Bad block at 0x%"PRIx32, nblock); + + // just clear cache and try a new block + lfs_cache_drop(lfs, pcache); + } +} +#endif + +static int lfs_ctz_traverse(lfs_t *lfs, + const lfs_cache_t *pcache, lfs_cache_t *rcache, + lfs_block_t head, lfs_size_t size, + int (*cb)(void*, lfs_block_t), void *data) { + if (size == 0) { + return 0; + } + + lfs_off_t index = lfs_ctz_index(lfs, &(lfs_off_t){size-1}); + + while (true) { + int err = cb(data, head); + if (err) { + return err; + } + + if (index == 0) { + return 0; + } + + lfs_block_t heads[2]; + int count = 2 - (index & 1); + err = lfs_bd_read(lfs, + pcache, rcache, count*sizeof(head), + head, 0, &heads, count*sizeof(head)); + heads[0] = lfs_fromle32(heads[0]); + heads[1] = lfs_fromle32(heads[1]); + if (err) { + return err; + } + + for (int i = 0; i < count-1; i++) { + err = cb(data, heads[i]); + if (err) { + return err; + } + } + + head = heads[count-1]; + index -= count; + } +} + + +/// Top level file operations /// +static int lfs_file_opencfg_(lfs_t *lfs, lfs_file_t *file, + const char *path, int flags, + const struct lfs_file_config *cfg) { +#ifndef LFS_READONLY + // deorphan if we haven't yet, needed at most once after poweron + if ((flags & LFS_O_WRONLY) == LFS_O_WRONLY) { + int err = lfs_fs_forceconsistency(lfs); + if (err) { + return err; + } + } +#else + LFS_ASSERT((flags & LFS_O_RDONLY) == LFS_O_RDONLY); +#endif + + // setup simple file details + int err; + file->cfg = cfg; + file->flags = flags; + file->pos = 0; + file->off = 0; + file->cache.buffer = NULL; + + // allocate entry for file if it doesn't exist + lfs_stag_t tag = lfs_dir_find(lfs, &file->m, &path, &file->id); + if (tag < 0 && !(tag == LFS_ERR_NOENT && lfs_path_islast(path))) { + err = tag; + goto cleanup; + } + + // get id, add to list of mdirs to catch update changes + file->type = LFS_TYPE_REG; + lfs_mlist_append(lfs, (struct lfs_mlist *)file); + +#ifdef LFS_READONLY + if (tag == LFS_ERR_NOENT) { + err = LFS_ERR_NOENT; + goto cleanup; +#else + if (tag == LFS_ERR_NOENT) { + if (!(flags & LFS_O_CREAT)) { + err = LFS_ERR_NOENT; + goto cleanup; + } + + // don't allow trailing slashes + if (lfs_path_isdir(path)) { + err = LFS_ERR_NOTDIR; + goto cleanup; + } + + // check that name fits + lfs_size_t nlen = lfs_path_namelen(path); + if (nlen > lfs->name_max) { + err = LFS_ERR_NAMETOOLONG; + goto cleanup; + } + + // get next slot and create entry to remember name + err = lfs_dir_commit(lfs, &file->m, LFS_MKATTRS( + {LFS_MKTAG(LFS_TYPE_CREATE, file->id, 0), NULL}, + {LFS_MKTAG(LFS_TYPE_REG, file->id, nlen), path}, + {LFS_MKTAG(LFS_TYPE_INLINESTRUCT, file->id, 0), NULL})); + + // it may happen that the file name doesn't fit in the metadata blocks, e.g., a 256 byte file name will + // not fit in a 128 byte block. + err = (err == LFS_ERR_NOSPC) ? LFS_ERR_NAMETOOLONG : err; + if (err) { + goto cleanup; + } + + tag = LFS_MKTAG(LFS_TYPE_INLINESTRUCT, 0, 0); + } else if (flags & LFS_O_EXCL) { + err = LFS_ERR_EXIST; + goto cleanup; +#endif + } else if (lfs_tag_type3(tag) != LFS_TYPE_REG) { + err = LFS_ERR_ISDIR; + goto cleanup; +#ifndef LFS_READONLY + } else if (flags & LFS_O_TRUNC) { + // truncate if requested + tag = LFS_MKTAG(LFS_TYPE_INLINESTRUCT, file->id, 0); + file->flags |= LFS_F_DIRTY; +#endif + } else { + // try to load what's on disk, if it's inlined we'll fix it later + tag = lfs_dir_get(lfs, &file->m, LFS_MKTAG(0x700, 0x3ff, 0), + LFS_MKTAG(LFS_TYPE_STRUCT, file->id, 8), &file->ctz); + if (tag < 0) { + err = tag; + goto cleanup; + } + lfs_ctz_fromle32(&file->ctz); + } + + // fetch attrs + for (unsigned i = 0; i < file->cfg->attr_count; i++) { + // if opened for read / read-write operations + if ((file->flags & LFS_O_RDONLY) == LFS_O_RDONLY) { + lfs_stag_t res = lfs_dir_get(lfs, &file->m, + LFS_MKTAG(0x7ff, 0x3ff, 0), + LFS_MKTAG(LFS_TYPE_USERATTR + file->cfg->attrs[i].type, + file->id, file->cfg->attrs[i].size), + file->cfg->attrs[i].buffer); + if (res < 0 && res != LFS_ERR_NOENT) { + err = res; + goto cleanup; + } + } + +#ifndef LFS_READONLY + // if opened for write / read-write operations + if ((file->flags & LFS_O_WRONLY) == LFS_O_WRONLY) { + if (file->cfg->attrs[i].size > lfs->attr_max) { + err = LFS_ERR_NOSPC; + goto cleanup; + } + + file->flags |= LFS_F_DIRTY; + } +#endif + } + + // allocate buffer if needed + if (file->cfg->buffer) { + file->cache.buffer = file->cfg->buffer; + } else { + file->cache.buffer = lfs_malloc(lfs->cfg->cache_size); + if (!file->cache.buffer) { + err = LFS_ERR_NOMEM; + goto cleanup; + } + } + + // zero to avoid information leak + lfs_cache_zero(lfs, &file->cache); + + if (lfs_tag_type3(tag) == LFS_TYPE_INLINESTRUCT) { + // load inline files + file->ctz.head = LFS_BLOCK_INLINE; + file->ctz.size = lfs_tag_size(tag); + file->flags |= LFS_F_INLINE; + file->cache.block = file->ctz.head; + file->cache.off = 0; + file->cache.size = lfs->cfg->cache_size; + + // don't always read (may be new/trunc file) + if (file->ctz.size > 0) { + lfs_stag_t res = lfs_dir_get(lfs, &file->m, + LFS_MKTAG(0x700, 0x3ff, 0), + LFS_MKTAG(LFS_TYPE_STRUCT, file->id, + lfs_min(file->cache.size, 0x3fe)), + file->cache.buffer); + if (res < 0) { + err = res; + goto cleanup; + } + } + } + + return 0; + +cleanup: + // clean up lingering resources +#ifndef LFS_READONLY + file->flags |= LFS_F_ERRED; +#endif + lfs_file_close_(lfs, file); + return err; +} + +#ifndef LFS_NO_MALLOC +static int lfs_file_open_(lfs_t *lfs, lfs_file_t *file, + const char *path, int flags) { + static const struct lfs_file_config defaults = {0}; + int err = lfs_file_opencfg_(lfs, file, path, flags, &defaults); + return err; +} +#endif + +static int lfs_file_close_(lfs_t *lfs, lfs_file_t *file) { +#ifndef LFS_READONLY + int err = lfs_file_sync_(lfs, file); +#else + int err = 0; +#endif + + // remove from list of mdirs + lfs_mlist_remove(lfs, (struct lfs_mlist*)file); + + // clean up memory + if (!file->cfg->buffer) { + lfs_free(file->cache.buffer); + } + + return err; +} + + +#ifndef LFS_READONLY +static int lfs_file_relocate(lfs_t *lfs, lfs_file_t *file) { + while (true) { + // just relocate what exists into new block + lfs_block_t nblock; + int err = lfs_alloc(lfs, &nblock); + if (err) { + return err; + } + + err = lfs_bd_erase(lfs, nblock); + if (err) { + if (err == LFS_ERR_CORRUPT) { + goto relocate; + } + return err; + } + + // either read from dirty cache or disk + for (lfs_off_t i = 0; i < file->off; i++) { + uint8_t data; + if (file->flags & LFS_F_INLINE) { + err = lfs_dir_getread(lfs, &file->m, + // note we evict inline files before they can be dirty + NULL, &file->cache, file->off-i, + LFS_MKTAG(0xfff, 0x1ff, 0), + LFS_MKTAG(LFS_TYPE_INLINESTRUCT, file->id, 0), + i, &data, 1); + if (err) { + return err; + } + } else { + err = lfs_bd_read(lfs, + &file->cache, &lfs->rcache, file->off-i, + file->block, i, &data, 1); + if (err) { + return err; + } + } + + err = lfs_bd_prog(lfs, + &lfs->pcache, &lfs->rcache, true, + nblock, i, &data, 1); + if (err) { + if (err == LFS_ERR_CORRUPT) { + goto relocate; + } + return err; + } + } + + // copy over new state of file + memcpy(file->cache.buffer, lfs->pcache.buffer, lfs->cfg->cache_size); + file->cache.block = lfs->pcache.block; + file->cache.off = lfs->pcache.off; + file->cache.size = lfs->pcache.size; + lfs_cache_zero(lfs, &lfs->pcache); + + file->block = nblock; + file->flags |= LFS_F_WRITING; + return 0; + +relocate: + LFS_DEBUG("Bad block at 0x%"PRIx32, nblock); + + // just clear cache and try a new block + lfs_cache_drop(lfs, &lfs->pcache); + } +} +#endif + +#ifndef LFS_READONLY +static int lfs_file_outline(lfs_t *lfs, lfs_file_t *file) { + file->off = file->pos; + lfs_alloc_ckpoint(lfs); + int err = lfs_file_relocate(lfs, file); + if (err) { + return err; + } + + file->flags &= ~LFS_F_INLINE; + return 0; +} +#endif + +static int lfs_file_flush(lfs_t *lfs, lfs_file_t *file) { + if (file->flags & LFS_F_READING) { + if (!(file->flags & LFS_F_INLINE)) { + lfs_cache_drop(lfs, &file->cache); + } + file->flags &= ~LFS_F_READING; + } + +#ifndef LFS_READONLY + if (file->flags & LFS_F_WRITING) { + lfs_off_t pos = file->pos; + + if (!(file->flags & LFS_F_INLINE)) { + // copy over anything after current branch + lfs_file_t orig = { + .ctz.head = file->ctz.head, + .ctz.size = file->ctz.size, + .flags = LFS_O_RDONLY, + .pos = file->pos, + .cache = lfs->rcache, + }; + lfs_cache_drop(lfs, &lfs->rcache); + + while (file->pos < file->ctz.size) { + // copy over a byte at a time, leave it up to caching + // to make this efficient + uint8_t data; + lfs_ssize_t res = lfs_file_flushedread(lfs, &orig, &data, 1); + if (res < 0) { + return res; + } + + res = lfs_file_flushedwrite(lfs, file, &data, 1); + if (res < 0) { + return res; + } + + // keep our reference to the rcache in sync + if (lfs->rcache.block != LFS_BLOCK_NULL) { + lfs_cache_drop(lfs, &orig.cache); + lfs_cache_drop(lfs, &lfs->rcache); + } + } + + // write out what we have + while (true) { + int err = lfs_bd_flush(lfs, &file->cache, &lfs->rcache, true); + if (err) { + if (err == LFS_ERR_CORRUPT) { + goto relocate; + } + return err; + } + + break; + +relocate: + LFS_DEBUG("Bad block at 0x%"PRIx32, file->block); + err = lfs_file_relocate(lfs, file); + if (err) { + return err; + } + } + } else { + file->pos = lfs_max(file->pos, file->ctz.size); + } + + // actual file updates + file->ctz.head = file->block; + file->ctz.size = file->pos; + file->flags &= ~LFS_F_WRITING; + file->flags |= LFS_F_DIRTY; + + file->pos = pos; + } +#endif + + return 0; +} + +#ifndef LFS_READONLY +static int lfs_file_sync_(lfs_t *lfs, lfs_file_t *file) { + if (file->flags & LFS_F_ERRED) { + // it's not safe to do anything if our file errored + return 0; + } + + int err = lfs_file_flush(lfs, file); + if (err) { + file->flags |= LFS_F_ERRED; + return err; + } + + + if ((file->flags & LFS_F_DIRTY) && + !lfs_pair_isnull(file->m.pair)) { + // before we commit metadata, we need sync the disk to make sure + // data writes don't complete after metadata writes + if (!(file->flags & LFS_F_INLINE)) { + err = lfs_bd_sync(lfs, &lfs->pcache, &lfs->rcache, false); + if (err) { + return err; + } + } + + // update dir entry + uint16_t type; + const void *buffer; + lfs_size_t size; + struct lfs_ctz ctz; + if (file->flags & LFS_F_INLINE) { + // inline the whole file + type = LFS_TYPE_INLINESTRUCT; + buffer = file->cache.buffer; + size = file->ctz.size; + } else { + // update the ctz reference + type = LFS_TYPE_CTZSTRUCT; + // copy ctz so alloc will work during a relocate + ctz = file->ctz; + lfs_ctz_tole32(&ctz); + buffer = &ctz; + size = sizeof(ctz); + } + + // commit file data and attributes + err = lfs_dir_commit(lfs, &file->m, LFS_MKATTRS( + {LFS_MKTAG(type, file->id, size), buffer}, + {LFS_MKTAG(LFS_FROM_USERATTRS, file->id, + file->cfg->attr_count), file->cfg->attrs})); + if (err) { + file->flags |= LFS_F_ERRED; + return err; + } + + file->flags &= ~LFS_F_DIRTY; + } + + return 0; +} +#endif + +static lfs_ssize_t lfs_file_flushedread(lfs_t *lfs, lfs_file_t *file, + void *buffer, lfs_size_t size) { + uint8_t *data = buffer; + lfs_size_t nsize = size; + + if (file->pos >= file->ctz.size) { + // eof if past end + return 0; + } + + size = lfs_min(size, file->ctz.size - file->pos); + nsize = size; + + while (nsize > 0) { + // check if we need a new block + if (!(file->flags & LFS_F_READING) || + file->off == lfs->cfg->block_size) { + if (!(file->flags & LFS_F_INLINE)) { + int err = lfs_ctz_find(lfs, NULL, &file->cache, + file->ctz.head, file->ctz.size, + file->pos, &file->block, &file->off); + if (err) { + return err; + } + } else { + file->block = LFS_BLOCK_INLINE; + file->off = file->pos; + } + + file->flags |= LFS_F_READING; + } + + // read as much as we can in current block + lfs_size_t diff = lfs_min(nsize, lfs->cfg->block_size - file->off); + if (file->flags & LFS_F_INLINE) { + int err = lfs_dir_getread(lfs, &file->m, + NULL, &file->cache, lfs->cfg->block_size, + LFS_MKTAG(0xfff, 0x1ff, 0), + LFS_MKTAG(LFS_TYPE_INLINESTRUCT, file->id, 0), + file->off, data, diff); + if (err) { + return err; + } + } else { + int err = lfs_bd_read(lfs, + NULL, &file->cache, lfs->cfg->block_size, + file->block, file->off, data, diff); + if (err) { + return err; + } + } + + file->pos += diff; + file->off += diff; + data += diff; + nsize -= diff; + } + + return size; +} + +static lfs_ssize_t lfs_file_read_(lfs_t *lfs, lfs_file_t *file, + void *buffer, lfs_size_t size) { + LFS_ASSERT((file->flags & LFS_O_RDONLY) == LFS_O_RDONLY); + +#ifndef LFS_READONLY + if (file->flags & LFS_F_WRITING) { + // flush out any writes + int err = lfs_file_flush(lfs, file); + if (err) { + return err; + } + } +#endif + + return lfs_file_flushedread(lfs, file, buffer, size); +} + + +#ifndef LFS_READONLY +static lfs_ssize_t lfs_file_flushedwrite(lfs_t *lfs, lfs_file_t *file, + const void *buffer, lfs_size_t size) { + const uint8_t *data = buffer; + lfs_size_t nsize = size; + + if ((file->flags & LFS_F_INLINE) && + lfs_max(file->pos+nsize, file->ctz.size) > lfs->inline_max) { + // inline file doesn't fit anymore + int err = lfs_file_outline(lfs, file); + if (err) { + file->flags |= LFS_F_ERRED; + return err; + } + } + + while (nsize > 0) { + // check if we need a new block + if (!(file->flags & LFS_F_WRITING) || + file->off == lfs->cfg->block_size) { + if (!(file->flags & LFS_F_INLINE)) { + if (!(file->flags & LFS_F_WRITING) && file->pos > 0) { + // find out which block we're extending from + int err = lfs_ctz_find(lfs, NULL, &file->cache, + file->ctz.head, file->ctz.size, + file->pos-1, &file->block, &(lfs_off_t){0}); + if (err) { + file->flags |= LFS_F_ERRED; + return err; + } + + // mark cache as dirty since we may have read data into it + lfs_cache_zero(lfs, &file->cache); + } + + // extend file with new blocks + lfs_alloc_ckpoint(lfs); + int err = lfs_ctz_extend(lfs, &file->cache, &lfs->rcache, + file->block, file->pos, + &file->block, &file->off); + if (err) { + file->flags |= LFS_F_ERRED; + return err; + } + } else { + file->block = LFS_BLOCK_INLINE; + file->off = file->pos; + } + + file->flags |= LFS_F_WRITING; + } + + // program as much as we can in current block + lfs_size_t diff = lfs_min(nsize, lfs->cfg->block_size - file->off); + while (true) { + int err = lfs_bd_prog(lfs, &file->cache, &lfs->rcache, true, + file->block, file->off, data, diff); + if (err) { + if (err == LFS_ERR_CORRUPT) { + goto relocate; + } + file->flags |= LFS_F_ERRED; + return err; + } + + break; +relocate: + err = lfs_file_relocate(lfs, file); + if (err) { + file->flags |= LFS_F_ERRED; + return err; + } + } + + file->pos += diff; + file->off += diff; + data += diff; + nsize -= diff; + + lfs_alloc_ckpoint(lfs); + } + + return size; +} + +static lfs_ssize_t lfs_file_write_(lfs_t *lfs, lfs_file_t *file, + const void *buffer, lfs_size_t size) { + LFS_ASSERT((file->flags & LFS_O_WRONLY) == LFS_O_WRONLY); + + if (file->flags & LFS_F_READING) { + // drop any reads + int err = lfs_file_flush(lfs, file); + if (err) { + return err; + } + } + + if ((file->flags & LFS_O_APPEND) && file->pos < file->ctz.size) { + file->pos = file->ctz.size; + } + + if (file->pos + size > lfs->file_max) { + // Larger than file limit? + return LFS_ERR_FBIG; + } + + if (!(file->flags & LFS_F_WRITING) && file->pos > file->ctz.size) { + // fill with zeros + lfs_off_t pos = file->pos; + file->pos = file->ctz.size; + + while (file->pos < pos) { + lfs_ssize_t res = lfs_file_flushedwrite(lfs, file, &(uint8_t){0}, 1); + if (res < 0) { + return res; + } + } + } + + lfs_ssize_t nsize = lfs_file_flushedwrite(lfs, file, buffer, size); + if (nsize < 0) { + return nsize; + } + + file->flags &= ~LFS_F_ERRED; + return nsize; +} +#endif + +static lfs_soff_t lfs_file_seek_(lfs_t *lfs, lfs_file_t *file, + lfs_soff_t off, int whence) { + // find new pos + // + // fortunately for us, littlefs is limited to 31-bit file sizes, so we + // don't have to worry too much about integer overflow + lfs_off_t npos = file->pos; + if (whence == LFS_SEEK_SET) { + npos = off; + } else if (whence == LFS_SEEK_CUR) { + npos = file->pos + (lfs_off_t)off; + } else if (whence == LFS_SEEK_END) { + npos = (lfs_off_t)lfs_file_size_(lfs, file) + (lfs_off_t)off; + } + + if (npos > lfs->file_max) { + // file position out of range + return LFS_ERR_INVAL; + } + + if (file->pos == npos) { + // noop - position has not changed + return npos; + } + + // if we're only reading and our new offset is still in the file's cache + // we can avoid flushing and needing to reread the data + if ((file->flags & LFS_F_READING) + && file->off != lfs->cfg->block_size) { + int oindex = lfs_ctz_index(lfs, &(lfs_off_t){file->pos}); + lfs_off_t noff = npos; + int nindex = lfs_ctz_index(lfs, &noff); + if (oindex == nindex + && noff >= file->cache.off + && noff < file->cache.off + file->cache.size) { + file->pos = npos; + file->off = noff; + return npos; + } + } + + // write out everything beforehand, may be noop if rdonly + int err = lfs_file_flush(lfs, file); + if (err) { + return err; + } + + // update pos + file->pos = npos; + return npos; +} + +#ifndef LFS_READONLY +static int lfs_file_truncate_(lfs_t *lfs, lfs_file_t *file, lfs_off_t size) { + LFS_ASSERT((file->flags & LFS_O_WRONLY) == LFS_O_WRONLY); + + if (size > LFS_FILE_MAX) { + return LFS_ERR_INVAL; + } + + lfs_off_t pos = file->pos; + lfs_off_t oldsize = lfs_file_size_(lfs, file); + if (size < oldsize) { + // revert to inline file? + if (size <= lfs->inline_max) { + // flush+seek to head + lfs_soff_t res = lfs_file_seek_(lfs, file, 0, LFS_SEEK_SET); + if (res < 0) { + return (int)res; + } + + // read our data into rcache temporarily + lfs_cache_drop(lfs, &lfs->rcache); + res = lfs_file_flushedread(lfs, file, + lfs->rcache.buffer, size); + if (res < 0) { + return (int)res; + } + + file->ctz.head = LFS_BLOCK_INLINE; + file->ctz.size = size; + file->flags |= LFS_F_DIRTY | LFS_F_READING | LFS_F_INLINE; + file->cache.block = file->ctz.head; + file->cache.off = 0; + file->cache.size = lfs->cfg->cache_size; + memcpy(file->cache.buffer, lfs->rcache.buffer, size); + + } else { + // need to flush since directly changing metadata + int err = lfs_file_flush(lfs, file); + if (err) { + return err; + } + + // lookup new head in ctz skip list + err = lfs_ctz_find(lfs, NULL, &file->cache, + file->ctz.head, file->ctz.size, + size-1, &file->block, &(lfs_off_t){0}); + if (err) { + return err; + } + + // need to set pos/block/off consistently so seeking back to + // the old position does not get confused + file->pos = size; + file->ctz.head = file->block; + file->ctz.size = size; + file->flags |= LFS_F_DIRTY | LFS_F_READING; + } + } else if (size > oldsize) { + // flush+seek if not already at end + lfs_soff_t res = lfs_file_seek_(lfs, file, 0, LFS_SEEK_END); + if (res < 0) { + return (int)res; + } + + // fill with zeros + while (file->pos < size) { + res = lfs_file_write_(lfs, file, &(uint8_t){0}, 1); + if (res < 0) { + return (int)res; + } + } + } + + // restore pos + lfs_soff_t res = lfs_file_seek_(lfs, file, pos, LFS_SEEK_SET); + if (res < 0) { + return (int)res; + } + + return 0; +} +#endif + +static lfs_soff_t lfs_file_tell_(lfs_t *lfs, lfs_file_t *file) { + (void)lfs; + return file->pos; +} + +static int lfs_file_rewind_(lfs_t *lfs, lfs_file_t *file) { + lfs_soff_t res = lfs_file_seek_(lfs, file, 0, LFS_SEEK_SET); + if (res < 0) { + return (int)res; + } + + return 0; +} + +static lfs_soff_t lfs_file_size_(lfs_t *lfs, lfs_file_t *file) { + (void)lfs; + +#ifndef LFS_READONLY + if (file->flags & LFS_F_WRITING) { + return lfs_max(file->pos, file->ctz.size); + } +#endif + + return file->ctz.size; +} + + +/// General fs operations /// +static int lfs_stat_(lfs_t *lfs, const char *path, struct lfs_info *info) { + lfs_mdir_t cwd; + lfs_stag_t tag = lfs_dir_find(lfs, &cwd, &path, NULL); + if (tag < 0) { + return (int)tag; + } + + // only allow trailing slashes on dirs + if (strchr(path, '/') != NULL + && lfs_tag_type3(tag) != LFS_TYPE_DIR) { + return LFS_ERR_NOTDIR; + } + + return lfs_dir_getinfo(lfs, &cwd, lfs_tag_id(tag), info); +} + +#ifndef LFS_READONLY +static int lfs_remove_(lfs_t *lfs, const char *path) { + // deorphan if we haven't yet, needed at most once after poweron + int err = lfs_fs_forceconsistency(lfs); + if (err) { + return err; + } + + lfs_mdir_t cwd; + lfs_stag_t tag = lfs_dir_find(lfs, &cwd, &path, NULL); + if (tag < 0 || lfs_tag_id(tag) == 0x3ff) { + return (tag < 0) ? (int)tag : LFS_ERR_INVAL; + } + + struct lfs_mlist dir; + dir.next = lfs->mlist; + if (lfs_tag_type3(tag) == LFS_TYPE_DIR) { + // must be empty before removal + lfs_block_t pair[2]; + lfs_stag_t res = lfs_dir_get(lfs, &cwd, LFS_MKTAG(0x700, 0x3ff, 0), + LFS_MKTAG(LFS_TYPE_STRUCT, lfs_tag_id(tag), 8), pair); + if (res < 0) { + return (int)res; + } + lfs_pair_fromle32(pair); + + err = lfs_dir_fetch(lfs, &dir.m, pair); + if (err) { + return err; + } + + if (dir.m.count > 0 || dir.m.split) { + return LFS_ERR_NOTEMPTY; + } + + // mark fs as orphaned + err = lfs_fs_preporphans(lfs, +1); + if (err) { + return err; + } + + // I know it's crazy but yes, dir can be changed by our parent's + // commit (if predecessor is child) + dir.type = 0; + dir.id = 0; + lfs->mlist = &dir; + } + + // delete the entry + err = lfs_dir_commit(lfs, &cwd, LFS_MKATTRS( + {LFS_MKTAG(LFS_TYPE_DELETE, lfs_tag_id(tag), 0), NULL})); + if (err) { + lfs->mlist = dir.next; + return err; + } + + lfs->mlist = dir.next; + if (lfs_tag_type3(tag) == LFS_TYPE_DIR) { + // fix orphan + err = lfs_fs_preporphans(lfs, -1); + if (err) { + return err; + } + + err = lfs_fs_pred(lfs, dir.m.pair, &cwd); + if (err) { + return err; + } + + err = lfs_dir_drop(lfs, &cwd, &dir.m); + if (err) { + return err; + } + } + + return 0; +} +#endif + +#ifndef LFS_READONLY +static int lfs_rename_(lfs_t *lfs, const char *oldpath, const char *newpath) { + // deorphan if we haven't yet, needed at most once after poweron + int err = lfs_fs_forceconsistency(lfs); + if (err) { + return err; + } + + // find old entry + lfs_mdir_t oldcwd; + lfs_stag_t oldtag = lfs_dir_find(lfs, &oldcwd, &oldpath, NULL); + if (oldtag < 0 || lfs_tag_id(oldtag) == 0x3ff) { + return (oldtag < 0) ? (int)oldtag : LFS_ERR_INVAL; + } + + // find new entry + lfs_mdir_t newcwd; + uint16_t newid; + lfs_stag_t prevtag = lfs_dir_find(lfs, &newcwd, &newpath, &newid); + if ((prevtag < 0 || lfs_tag_id(prevtag) == 0x3ff) && + !(prevtag == LFS_ERR_NOENT && lfs_path_islast(newpath))) { + return (prevtag < 0) ? (int)prevtag : LFS_ERR_INVAL; + } + + // if we're in the same pair there's a few special cases... + bool samepair = (lfs_pair_cmp(oldcwd.pair, newcwd.pair) == 0); + uint16_t newoldid = lfs_tag_id(oldtag); + + struct lfs_mlist prevdir; + prevdir.next = lfs->mlist; + if (prevtag == LFS_ERR_NOENT) { + // if we're a file, don't allow trailing slashes + if (lfs_path_isdir(newpath) + && lfs_tag_type3(oldtag) != LFS_TYPE_DIR) { + return LFS_ERR_NOTDIR; + } + + // check that name fits + lfs_size_t nlen = lfs_path_namelen(newpath); + if (nlen > lfs->name_max) { + return LFS_ERR_NAMETOOLONG; + } + + // there is a small chance we are being renamed in the same + // directory/ to an id less than our old id, the global update + // to handle this is a bit messy + if (samepair && newid <= newoldid) { + newoldid += 1; + } + } else if (lfs_tag_type3(prevtag) != lfs_tag_type3(oldtag)) { + return (lfs_tag_type3(prevtag) == LFS_TYPE_DIR) + ? LFS_ERR_ISDIR + : LFS_ERR_NOTDIR; + } else if (samepair && newid == newoldid) { + // we're renaming to ourselves?? + return 0; + } else if (lfs_tag_type3(prevtag) == LFS_TYPE_DIR) { + // must be empty before removal + lfs_block_t prevpair[2]; + lfs_stag_t res = lfs_dir_get(lfs, &newcwd, LFS_MKTAG(0x700, 0x3ff, 0), + LFS_MKTAG(LFS_TYPE_STRUCT, newid, 8), prevpair); + if (res < 0) { + return (int)res; + } + lfs_pair_fromle32(prevpair); + + // must be empty before removal + err = lfs_dir_fetch(lfs, &prevdir.m, prevpair); + if (err) { + return err; + } + + if (prevdir.m.count > 0 || prevdir.m.split) { + return LFS_ERR_NOTEMPTY; + } + + // mark fs as orphaned + err = lfs_fs_preporphans(lfs, +1); + if (err) { + return err; + } + + // I know it's crazy but yes, dir can be changed by our parent's + // commit (if predecessor is child) + prevdir.type = 0; + prevdir.id = 0; + lfs->mlist = &prevdir; + } + + if (!samepair) { + lfs_fs_prepmove(lfs, newoldid, oldcwd.pair); + } + + // move over all attributes + err = lfs_dir_commit(lfs, &newcwd, LFS_MKATTRS( + {LFS_MKTAG_IF(prevtag != LFS_ERR_NOENT, + LFS_TYPE_DELETE, newid, 0), NULL}, + {LFS_MKTAG(LFS_TYPE_CREATE, newid, 0), NULL}, + {LFS_MKTAG(lfs_tag_type3(oldtag), + newid, lfs_path_namelen(newpath)), newpath}, + {LFS_MKTAG(LFS_FROM_MOVE, newid, lfs_tag_id(oldtag)), &oldcwd}, + {LFS_MKTAG_IF(samepair, + LFS_TYPE_DELETE, newoldid, 0), NULL})); + if (err) { + lfs->mlist = prevdir.next; + return err; + } + + // let commit clean up after move (if we're different! otherwise move + // logic already fixed it for us) + if (!samepair && lfs_gstate_hasmove(&lfs->gstate)) { + // prep gstate and delete move id + lfs_fs_prepmove(lfs, 0x3ff, NULL); + err = lfs_dir_commit(lfs, &oldcwd, LFS_MKATTRS( + {LFS_MKTAG(LFS_TYPE_DELETE, lfs_tag_id(oldtag), 0), NULL})); + if (err) { + lfs->mlist = prevdir.next; + return err; + } + } + + lfs->mlist = prevdir.next; + if (prevtag != LFS_ERR_NOENT + && lfs_tag_type3(prevtag) == LFS_TYPE_DIR) { + // fix orphan + err = lfs_fs_preporphans(lfs, -1); + if (err) { + return err; + } + + err = lfs_fs_pred(lfs, prevdir.m.pair, &newcwd); + if (err) { + return err; + } + + err = lfs_dir_drop(lfs, &newcwd, &prevdir.m); + if (err) { + return err; + } + } + + return 0; +} +#endif + +static lfs_ssize_t lfs_getattr_(lfs_t *lfs, const char *path, + uint8_t type, void *buffer, lfs_size_t size) { + lfs_mdir_t cwd; + lfs_stag_t tag = lfs_dir_find(lfs, &cwd, &path, NULL); + if (tag < 0) { + return tag; + } + + uint16_t id = lfs_tag_id(tag); + if (id == 0x3ff) { + // special case for root + id = 0; + int err = lfs_dir_fetch(lfs, &cwd, lfs->root); + if (err) { + return err; + } + } + + tag = lfs_dir_get(lfs, &cwd, LFS_MKTAG(0x7ff, 0x3ff, 0), + LFS_MKTAG(LFS_TYPE_USERATTR + type, + id, lfs_min(size, lfs->attr_max)), + buffer); + if (tag < 0) { + if (tag == LFS_ERR_NOENT) { + return LFS_ERR_NOATTR; + } + + return tag; + } + + return lfs_tag_size(tag); +} + +#ifndef LFS_READONLY +static int lfs_commitattr(lfs_t *lfs, const char *path, + uint8_t type, const void *buffer, lfs_size_t size) { + lfs_mdir_t cwd; + lfs_stag_t tag = lfs_dir_find(lfs, &cwd, &path, NULL); + if (tag < 0) { + return tag; + } + + uint16_t id = lfs_tag_id(tag); + if (id == 0x3ff) { + // special case for root + id = 0; + int err = lfs_dir_fetch(lfs, &cwd, lfs->root); + if (err) { + return err; + } + } + + return lfs_dir_commit(lfs, &cwd, LFS_MKATTRS( + {LFS_MKTAG(LFS_TYPE_USERATTR + type, id, size), buffer})); +} +#endif + +#ifndef LFS_READONLY +static int lfs_setattr_(lfs_t *lfs, const char *path, + uint8_t type, const void *buffer, lfs_size_t size) { + if (size > lfs->attr_max) { + return LFS_ERR_NOSPC; + } + + return lfs_commitattr(lfs, path, type, buffer, size); +} +#endif + +#ifndef LFS_READONLY +static int lfs_removeattr_(lfs_t *lfs, const char *path, uint8_t type) { + return lfs_commitattr(lfs, path, type, NULL, 0x3ff); +} +#endif + + +/// Filesystem operations /// + +// compile time checks, see lfs.h for why these limits exist +#if LFS_NAME_MAX > 1022 +#error "Invalid LFS_NAME_MAX, must be <= 1022" +#endif + +#if LFS_FILE_MAX > 2147483647 +#error "Invalid LFS_FILE_MAX, must be <= 2147483647" +#endif + +#if LFS_ATTR_MAX > 1022 +#error "Invalid LFS_ATTR_MAX, must be <= 1022" +#endif + +// common filesystem initialization +static int lfs_init(lfs_t *lfs, const struct lfs_config *cfg) { + lfs->cfg = cfg; + lfs->block_count = cfg->block_count; // May be 0 + int err = 0; + +#ifdef LFS_MULTIVERSION + // this driver only supports minor version < current minor version + LFS_ASSERT(!lfs->cfg->disk_version || ( + (0xffff & (lfs->cfg->disk_version >> 16)) + == LFS_DISK_VERSION_MAJOR + && (0xffff & (lfs->cfg->disk_version >> 0)) + <= LFS_DISK_VERSION_MINOR)); +#endif + + // check that bool is a truthy-preserving type + // + // note the most common reason for this failure is a before-c99 compiler, + // which littlefs currently does not support + LFS_ASSERT((bool)0x80000000); + + // check that the required io functions are provided + LFS_ASSERT(lfs->cfg->read != NULL); +#ifndef LFS_READONLY + LFS_ASSERT(lfs->cfg->prog != NULL); + LFS_ASSERT(lfs->cfg->erase != NULL); + LFS_ASSERT(lfs->cfg->sync != NULL); +#endif + + // validate that the lfs-cfg sizes were initiated properly before + // performing any arithmetic logics with them + LFS_ASSERT(lfs->cfg->read_size != 0); + LFS_ASSERT(lfs->cfg->prog_size != 0); + LFS_ASSERT(lfs->cfg->cache_size != 0); + + // check that block size is a multiple of cache size is a multiple + // of prog and read sizes + LFS_ASSERT(lfs->cfg->cache_size % lfs->cfg->read_size == 0); + LFS_ASSERT(lfs->cfg->cache_size % lfs->cfg->prog_size == 0); + LFS_ASSERT(lfs->cfg->block_size % lfs->cfg->cache_size == 0); + + // check that the block size is large enough to fit all ctz pointers + LFS_ASSERT(lfs->cfg->block_size >= 128); + // this is the exact calculation for all ctz pointers, if this fails + // and the simpler assert above does not, math must be broken + LFS_ASSERT(4*lfs_npw2(0xffffffff / (lfs->cfg->block_size-2*4)) + <= lfs->cfg->block_size); + + // block_cycles = 0 is no longer supported. + // + // block_cycles is the number of erase cycles before littlefs evicts + // metadata logs as a part of wear leveling. Suggested values are in the + // range of 100-1000, or set block_cycles to -1 to disable block-level + // wear-leveling. + LFS_ASSERT(lfs->cfg->block_cycles != 0); + + // check that compact_thresh makes sense + // + // metadata can't be compacted below block_size/2, and metadata can't + // exceed a block_size + LFS_ASSERT(lfs->cfg->compact_thresh == 0 + || lfs->cfg->compact_thresh >= lfs->cfg->block_size/2); + LFS_ASSERT(lfs->cfg->compact_thresh == (lfs_size_t)-1 + || lfs->cfg->compact_thresh <= lfs->cfg->block_size); + + // check that metadata_max is a multiple of read_size and prog_size, + // and a factor of the block_size + LFS_ASSERT(!lfs->cfg->metadata_max + || lfs->cfg->metadata_max % lfs->cfg->read_size == 0); + LFS_ASSERT(!lfs->cfg->metadata_max + || lfs->cfg->metadata_max % lfs->cfg->prog_size == 0); + LFS_ASSERT(!lfs->cfg->metadata_max + || lfs->cfg->block_size % lfs->cfg->metadata_max == 0); + + // setup read cache + if (lfs->cfg->read_buffer) { + lfs->rcache.buffer = lfs->cfg->read_buffer; + } else { + lfs->rcache.buffer = lfs_malloc(lfs->cfg->cache_size); + if (!lfs->rcache.buffer) { + err = LFS_ERR_NOMEM; + goto cleanup; + } + } + + // setup program cache + if (lfs->cfg->prog_buffer) { + lfs->pcache.buffer = lfs->cfg->prog_buffer; + } else { + lfs->pcache.buffer = lfs_malloc(lfs->cfg->cache_size); + if (!lfs->pcache.buffer) { + err = LFS_ERR_NOMEM; + goto cleanup; + } + } + + // zero to avoid information leaks + lfs_cache_zero(lfs, &lfs->rcache); + lfs_cache_zero(lfs, &lfs->pcache); + + // setup lookahead buffer, note mount finishes initializing this after + // we establish a decent pseudo-random seed + LFS_ASSERT(lfs->cfg->lookahead_size > 0); + if (lfs->cfg->lookahead_buffer) { + lfs->lookahead.buffer = lfs->cfg->lookahead_buffer; + } else { + lfs->lookahead.buffer = lfs_malloc(lfs->cfg->lookahead_size); + if (!lfs->lookahead.buffer) { + err = LFS_ERR_NOMEM; + goto cleanup; + } + } + + // check that the size limits are sane + LFS_ASSERT(lfs->cfg->name_max <= LFS_NAME_MAX); + lfs->name_max = lfs->cfg->name_max; + if (!lfs->name_max) { + lfs->name_max = LFS_NAME_MAX; + } + + LFS_ASSERT(lfs->cfg->file_max <= LFS_FILE_MAX); + lfs->file_max = lfs->cfg->file_max; + if (!lfs->file_max) { + lfs->file_max = LFS_FILE_MAX; + } + + LFS_ASSERT(lfs->cfg->attr_max <= LFS_ATTR_MAX); + lfs->attr_max = lfs->cfg->attr_max; + if (!lfs->attr_max) { + lfs->attr_max = LFS_ATTR_MAX; + } + + LFS_ASSERT(lfs->cfg->metadata_max <= lfs->cfg->block_size); + + LFS_ASSERT(lfs->cfg->inline_max == (lfs_size_t)-1 + || lfs->cfg->inline_max <= lfs->cfg->cache_size); + LFS_ASSERT(lfs->cfg->inline_max == (lfs_size_t)-1 + || lfs->cfg->inline_max <= lfs->attr_max); + LFS_ASSERT(lfs->cfg->inline_max == (lfs_size_t)-1 + || lfs->cfg->inline_max <= ((lfs->cfg->metadata_max) + ? lfs->cfg->metadata_max + : lfs->cfg->block_size)/8); + lfs->inline_max = lfs->cfg->inline_max; + if (lfs->inline_max == (lfs_size_t)-1) { + lfs->inline_max = 0; + } else if (lfs->inline_max == 0) { + lfs->inline_max = lfs_min( + lfs->cfg->cache_size, + lfs_min( + lfs->attr_max, + ((lfs->cfg->metadata_max) + ? lfs->cfg->metadata_max + : lfs->cfg->block_size)/8)); + } + + // setup default state + lfs->root[0] = LFS_BLOCK_NULL; + lfs->root[1] = LFS_BLOCK_NULL; + lfs->mlist = NULL; + lfs->seed = 0; + lfs->gdisk = (lfs_gstate_t){0}; + lfs->gstate = (lfs_gstate_t){0}; + lfs->gdelta = (lfs_gstate_t){0}; +#ifdef LFS_MIGRATE + lfs->lfs1 = NULL; +#endif + + return 0; + +cleanup: + lfs_deinit(lfs); + return err; +} + +static int lfs_deinit(lfs_t *lfs) { + // free allocated memory + if (!lfs->cfg->read_buffer) { + lfs_free(lfs->rcache.buffer); + } + + if (!lfs->cfg->prog_buffer) { + lfs_free(lfs->pcache.buffer); + } + + if (!lfs->cfg->lookahead_buffer) { + lfs_free(lfs->lookahead.buffer); + } + + return 0; +} + + + +#ifndef LFS_READONLY +static int lfs_format_(lfs_t *lfs, const struct lfs_config *cfg) { + int err = 0; + { + err = lfs_init(lfs, cfg); + if (err) { + return err; + } + + LFS_ASSERT(cfg->block_count != 0); + + // create free lookahead + memset(lfs->lookahead.buffer, 0, lfs->cfg->lookahead_size); + lfs->lookahead.start = 0; + lfs->lookahead.size = lfs_min(8*lfs->cfg->lookahead_size, + lfs->block_count); + lfs->lookahead.next = 0; + lfs_alloc_ckpoint(lfs); + + // create root dir + lfs_mdir_t root; + err = lfs_dir_alloc(lfs, &root); + if (err) { + goto cleanup; + } + + // write one superblock + lfs_superblock_t superblock = { + .version = lfs_fs_disk_version(lfs), + .block_size = lfs->cfg->block_size, + .block_count = lfs->block_count, + .name_max = lfs->name_max, + .file_max = lfs->file_max, + .attr_max = lfs->attr_max, + }; + + lfs_superblock_tole32(&superblock); + err = lfs_dir_commit(lfs, &root, LFS_MKATTRS( + {LFS_MKTAG(LFS_TYPE_CREATE, 0, 0), NULL}, + {LFS_MKTAG(LFS_TYPE_SUPERBLOCK, 0, 8), "littlefs"}, + {LFS_MKTAG(LFS_TYPE_INLINESTRUCT, 0, sizeof(superblock)), + &superblock})); + if (err) { + goto cleanup; + } + + // force compaction to prevent accidentally mounting any + // older version of littlefs that may live on disk + root.erased = false; + err = lfs_dir_commit(lfs, &root, NULL, 0); + if (err) { + goto cleanup; + } + + // sanity check that fetch works + err = lfs_dir_fetch(lfs, &root, (const lfs_block_t[2]){0, 1}); + if (err) { + goto cleanup; + } + } + +cleanup: + lfs_deinit(lfs); + return err; + +} +#endif + +struct lfs_tortoise_t { + lfs_block_t pair[2]; + lfs_size_t i; + lfs_size_t period; +}; + +static int lfs_tortoise_detectcycles( + const lfs_mdir_t *dir, struct lfs_tortoise_t *tortoise) { + // detect cycles with Brent's algorithm + if (lfs_pair_issync(dir->tail, tortoise->pair)) { + LFS_WARN("Cycle detected in tail list"); + return LFS_ERR_CORRUPT; + } + if (tortoise->i == tortoise->period) { + tortoise->pair[0] = dir->tail[0]; + tortoise->pair[1] = dir->tail[1]; + tortoise->i = 0; + tortoise->period *= 2; + } + tortoise->i += 1; + + return LFS_ERR_OK; +} + +static int lfs_mount_(lfs_t *lfs, const struct lfs_config *cfg) { + int err = lfs_init(lfs, cfg); + if (err) { + return err; + } + + // scan directory blocks for superblock and any global updates + lfs_mdir_t dir = {.tail = {0, 1}}; + struct lfs_tortoise_t tortoise = { + .pair = {LFS_BLOCK_NULL, LFS_BLOCK_NULL}, + .i = 1, + .period = 1, + }; + while (!lfs_pair_isnull(dir.tail)) { + err = lfs_tortoise_detectcycles(&dir, &tortoise); + if (err < 0) { + goto cleanup; + } + + // fetch next block in tail list + lfs_stag_t tag = lfs_dir_fetchmatch(lfs, &dir, dir.tail, + LFS_MKTAG(0x7ff, 0x3ff, 0), + LFS_MKTAG(LFS_TYPE_SUPERBLOCK, 0, 8), + NULL, + lfs_dir_find_match, &(struct lfs_dir_find_match){ + lfs, "littlefs", 8}); + if (tag < 0) { + err = tag; + goto cleanup; + } + + // has superblock? + if (tag && !lfs_tag_isdelete(tag)) { + // update root + lfs->root[0] = dir.pair[0]; + lfs->root[1] = dir.pair[1]; + + // grab superblock + lfs_superblock_t superblock; + tag = lfs_dir_get(lfs, &dir, LFS_MKTAG(0x7ff, 0x3ff, 0), + LFS_MKTAG(LFS_TYPE_INLINESTRUCT, 0, sizeof(superblock)), + &superblock); + if (tag < 0) { + err = tag; + goto cleanup; + } + lfs_superblock_fromle32(&superblock); + + // check version + uint16_t major_version = (0xffff & (superblock.version >> 16)); + uint16_t minor_version = (0xffff & (superblock.version >> 0)); + if (major_version != lfs_fs_disk_version_major(lfs) + || minor_version > lfs_fs_disk_version_minor(lfs)) { + LFS_ERROR("Invalid version " + "v%"PRIu16".%"PRIu16" != v%"PRIu16".%"PRIu16, + major_version, + minor_version, + lfs_fs_disk_version_major(lfs), + lfs_fs_disk_version_minor(lfs)); + err = LFS_ERR_INVAL; + goto cleanup; + } + + // found older minor version? set an in-device only bit in the + // gstate so we know we need to rewrite the superblock before + // the first write + bool needssuperblock = false; + if (minor_version < lfs_fs_disk_version_minor(lfs)) { + LFS_DEBUG("Found older minor version " + "v%"PRIu16".%"PRIu16" < v%"PRIu16".%"PRIu16, + major_version, + minor_version, + lfs_fs_disk_version_major(lfs), + lfs_fs_disk_version_minor(lfs)); + needssuperblock = true; + } + // note this bit is reserved on disk, so fetching more gstate + // will not interfere here + lfs_fs_prepsuperblock(lfs, needssuperblock); + + // check superblock configuration + if (superblock.name_max) { + if (superblock.name_max > lfs->name_max) { + LFS_ERROR("Unsupported name_max (%"PRIu32" > %"PRIu32")", + superblock.name_max, lfs->name_max); + err = LFS_ERR_INVAL; + goto cleanup; + } + + lfs->name_max = superblock.name_max; + } + + if (superblock.file_max) { + if (superblock.file_max > lfs->file_max) { + LFS_ERROR("Unsupported file_max (%"PRIu32" > %"PRIu32")", + superblock.file_max, lfs->file_max); + err = LFS_ERR_INVAL; + goto cleanup; + } + + lfs->file_max = superblock.file_max; + } + + if (superblock.attr_max) { + if (superblock.attr_max > lfs->attr_max) { + LFS_ERROR("Unsupported attr_max (%"PRIu32" > %"PRIu32")", + superblock.attr_max, lfs->attr_max); + err = LFS_ERR_INVAL; + goto cleanup; + } + + lfs->attr_max = superblock.attr_max; + + // we also need to update inline_max in case attr_max changed + lfs->inline_max = lfs_min(lfs->inline_max, lfs->attr_max); + } + + // this is where we get the block_count from disk if block_count=0 + if (lfs->cfg->block_count + && superblock.block_count != lfs->cfg->block_count) { + LFS_ERROR("Invalid block count (%"PRIu32" != %"PRIu32")", + superblock.block_count, lfs->cfg->block_count); + err = LFS_ERR_INVAL; + goto cleanup; + } + + lfs->block_count = superblock.block_count; + + if (superblock.block_size != lfs->cfg->block_size) { + LFS_ERROR("Invalid block size (%"PRIu32" != %"PRIu32")", + superblock.block_size, lfs->cfg->block_size); + err = LFS_ERR_INVAL; + goto cleanup; + } + } + + // has gstate? + err = lfs_dir_getgstate(lfs, &dir, &lfs->gstate); + if (err) { + goto cleanup; + } + } + + // update littlefs with gstate + if (!lfs_gstate_iszero(&lfs->gstate)) { + LFS_DEBUG("Found pending gstate 0x%08"PRIx32"%08"PRIx32"%08"PRIx32, + lfs->gstate.tag, + lfs->gstate.pair[0], + lfs->gstate.pair[1]); + } + lfs->gstate.tag += !lfs_tag_isvalid(lfs->gstate.tag); + lfs->gdisk = lfs->gstate; + + // setup free lookahead, to distribute allocations uniformly across + // boots, we start the allocator at a random location + lfs->lookahead.start = lfs->seed % lfs->block_count; + lfs_alloc_drop(lfs); + + return 0; + +cleanup: + lfs_unmount_(lfs); + return err; +} + +static int lfs_unmount_(lfs_t *lfs) { + return lfs_deinit(lfs); +} + + +/// Filesystem filesystem operations /// +static int lfs_fs_stat_(lfs_t *lfs, struct lfs_fsinfo *fsinfo) { + // if the superblock is up-to-date, we must be on the most recent + // minor version of littlefs + if (!lfs_gstate_needssuperblock(&lfs->gstate)) { + fsinfo->disk_version = lfs_fs_disk_version(lfs); + + // otherwise we need to read the minor version on disk + } else { + // fetch the superblock + lfs_mdir_t dir; + int err = lfs_dir_fetch(lfs, &dir, lfs->root); + if (err) { + return err; + } + + lfs_superblock_t superblock; + lfs_stag_t tag = lfs_dir_get(lfs, &dir, LFS_MKTAG(0x7ff, 0x3ff, 0), + LFS_MKTAG(LFS_TYPE_INLINESTRUCT, 0, sizeof(superblock)), + &superblock); + if (tag < 0) { + return tag; + } + lfs_superblock_fromle32(&superblock); + + // read the on-disk version + fsinfo->disk_version = superblock.version; + } + + // filesystem geometry + fsinfo->block_size = lfs->cfg->block_size; + fsinfo->block_count = lfs->block_count; + + // other on-disk configuration, we cache all of these for internal use + fsinfo->name_max = lfs->name_max; + fsinfo->file_max = lfs->file_max; + fsinfo->attr_max = lfs->attr_max; + + return 0; +} + +int lfs_fs_traverse_(lfs_t *lfs, + int (*cb)(void *data, lfs_block_t block), void *data, + bool includeorphans) { + // iterate over metadata pairs + lfs_mdir_t dir = {.tail = {0, 1}}; + +#ifdef LFS_MIGRATE + // also consider v1 blocks during migration + if (lfs->lfs1) { + int err = lfs1_traverse(lfs, cb, data); + if (err) { + return err; + } + + dir.tail[0] = lfs->root[0]; + dir.tail[1] = lfs->root[1]; + } +#endif + + struct lfs_tortoise_t tortoise = { + .pair = {LFS_BLOCK_NULL, LFS_BLOCK_NULL}, + .i = 1, + .period = 1, + }; + int err = LFS_ERR_OK; + while (!lfs_pair_isnull(dir.tail)) { + err = lfs_tortoise_detectcycles(&dir, &tortoise); + if (err < 0) { + return LFS_ERR_CORRUPT; + } + + for (int i = 0; i < 2; i++) { + int err = cb(data, dir.tail[i]); + if (err) { + return err; + } + } + + // iterate through ids in directory + int err = lfs_dir_fetch(lfs, &dir, dir.tail); + if (err) { + return err; + } + + for (uint16_t id = 0; id < dir.count; id++) { + struct lfs_ctz ctz; + lfs_stag_t tag = lfs_dir_get(lfs, &dir, LFS_MKTAG(0x700, 0x3ff, 0), + LFS_MKTAG(LFS_TYPE_STRUCT, id, sizeof(ctz)), &ctz); + if (tag < 0) { + if (tag == LFS_ERR_NOENT) { + continue; + } + return tag; + } + lfs_ctz_fromle32(&ctz); + + if (lfs_tag_type3(tag) == LFS_TYPE_CTZSTRUCT) { + err = lfs_ctz_traverse(lfs, NULL, &lfs->rcache, + ctz.head, ctz.size, cb, data); + if (err) { + return err; + } + } else if (includeorphans && + lfs_tag_type3(tag) == LFS_TYPE_DIRSTRUCT) { + for (int i = 0; i < 2; i++) { + err = cb(data, (&ctz.head)[i]); + if (err) { + return err; + } + } + } + } + } + +#ifndef LFS_READONLY + // iterate over any open files + for (lfs_file_t *f = (lfs_file_t*)lfs->mlist; f; f = f->next) { + if (f->type != LFS_TYPE_REG) { + continue; + } + + if ((f->flags & LFS_F_DIRTY) && !(f->flags & LFS_F_INLINE)) { + int err = lfs_ctz_traverse(lfs, &f->cache, &lfs->rcache, + f->ctz.head, f->ctz.size, cb, data); + if (err) { + return err; + } + } + + if ((f->flags & LFS_F_WRITING) && !(f->flags & LFS_F_INLINE)) { + int err = lfs_ctz_traverse(lfs, &f->cache, &lfs->rcache, + f->block, f->pos, cb, data); + if (err) { + return err; + } + } + } +#endif + + return 0; +} + +#ifndef LFS_READONLY +static int lfs_fs_pred(lfs_t *lfs, + const lfs_block_t pair[2], lfs_mdir_t *pdir) { + // iterate over all directory directory entries + pdir->tail[0] = 0; + pdir->tail[1] = 1; + struct lfs_tortoise_t tortoise = { + .pair = {LFS_BLOCK_NULL, LFS_BLOCK_NULL}, + .i = 1, + .period = 1, + }; + int err = LFS_ERR_OK; + while (!lfs_pair_isnull(pdir->tail)) { + err = lfs_tortoise_detectcycles(pdir, &tortoise); + if (err < 0) { + return LFS_ERR_CORRUPT; + } + + if (lfs_pair_cmp(pdir->tail, pair) == 0) { + return 0; + } + + int err = lfs_dir_fetch(lfs, pdir, pdir->tail); + if (err) { + return err; + } + } + + return LFS_ERR_NOENT; +} +#endif + +#ifndef LFS_READONLY +struct lfs_fs_parent_match { + lfs_t *lfs; + const lfs_block_t pair[2]; +}; +#endif + +#ifndef LFS_READONLY +static int lfs_fs_parent_match(void *data, + lfs_tag_t tag, const void *buffer) { + struct lfs_fs_parent_match *find = data; + lfs_t *lfs = find->lfs; + const struct lfs_diskoff *disk = buffer; + (void)tag; + + lfs_block_t child[2]; + int err = lfs_bd_read(lfs, + &lfs->pcache, &lfs->rcache, lfs->cfg->block_size, + disk->block, disk->off, &child, sizeof(child)); + if (err) { + return err; + } + + lfs_pair_fromle32(child); + return (lfs_pair_cmp(child, find->pair) == 0) ? LFS_CMP_EQ : LFS_CMP_LT; +} +#endif + +#ifndef LFS_READONLY +static lfs_stag_t lfs_fs_parent(lfs_t *lfs, const lfs_block_t pair[2], + lfs_mdir_t *parent) { + // use fetchmatch with callback to find pairs + parent->tail[0] = 0; + parent->tail[1] = 1; + struct lfs_tortoise_t tortoise = { + .pair = {LFS_BLOCK_NULL, LFS_BLOCK_NULL}, + .i = 1, + .period = 1, + }; + int err = LFS_ERR_OK; + while (!lfs_pair_isnull(parent->tail)) { + err = lfs_tortoise_detectcycles(parent, &tortoise); + if (err < 0) { + return err; + } + + lfs_stag_t tag = lfs_dir_fetchmatch(lfs, parent, parent->tail, + LFS_MKTAG(0x7ff, 0, 0x3ff), + LFS_MKTAG(LFS_TYPE_DIRSTRUCT, 0, 8), + NULL, + lfs_fs_parent_match, &(struct lfs_fs_parent_match){ + lfs, {pair[0], pair[1]}}); + if (tag && tag != LFS_ERR_NOENT) { + return tag; + } + } + + return LFS_ERR_NOENT; +} +#endif + +static void lfs_fs_prepsuperblock(lfs_t *lfs, bool needssuperblock) { + lfs->gstate.tag = (lfs->gstate.tag & ~LFS_MKTAG(0, 0, 0x200)) + | (uint32_t)needssuperblock << 9; +} + +#ifndef LFS_READONLY +static int lfs_fs_preporphans(lfs_t *lfs, int8_t orphans) { + LFS_ASSERT(lfs_tag_size(lfs->gstate.tag) > 0x000 || orphans >= 0); + LFS_ASSERT(lfs_tag_size(lfs->gstate.tag) < 0x1ff || orphans <= 0); + lfs->gstate.tag += orphans; + lfs->gstate.tag = ((lfs->gstate.tag & ~LFS_MKTAG(0x800, 0, 0)) | + ((uint32_t)lfs_gstate_hasorphans(&lfs->gstate) << 31)); + + return 0; +} +#endif + +#ifndef LFS_READONLY +static void lfs_fs_prepmove(lfs_t *lfs, + uint16_t id, const lfs_block_t pair[2]) { + lfs->gstate.tag = ((lfs->gstate.tag & ~LFS_MKTAG(0x7ff, 0x3ff, 0)) | + ((id != 0x3ff) ? LFS_MKTAG(LFS_TYPE_DELETE, id, 0) : 0)); + lfs->gstate.pair[0] = (id != 0x3ff) ? pair[0] : 0; + lfs->gstate.pair[1] = (id != 0x3ff) ? pair[1] : 0; +} +#endif + +#ifndef LFS_READONLY +static int lfs_fs_desuperblock(lfs_t *lfs) { + if (!lfs_gstate_needssuperblock(&lfs->gstate)) { + return 0; + } + + LFS_DEBUG("Rewriting superblock {0x%"PRIx32", 0x%"PRIx32"}", + lfs->root[0], + lfs->root[1]); + + lfs_mdir_t root; + int err = lfs_dir_fetch(lfs, &root, lfs->root); + if (err) { + return err; + } + + // write a new superblock + lfs_superblock_t superblock = { + .version = lfs_fs_disk_version(lfs), + .block_size = lfs->cfg->block_size, + .block_count = lfs->block_count, + .name_max = lfs->name_max, + .file_max = lfs->file_max, + .attr_max = lfs->attr_max, + }; + + lfs_superblock_tole32(&superblock); + err = lfs_dir_commit(lfs, &root, LFS_MKATTRS( + {LFS_MKTAG(LFS_TYPE_INLINESTRUCT, 0, sizeof(superblock)), + &superblock})); + if (err) { + return err; + } + + lfs_fs_prepsuperblock(lfs, false); + return 0; +} +#endif + +#ifndef LFS_READONLY +static int lfs_fs_demove(lfs_t *lfs) { + if (!lfs_gstate_hasmove(&lfs->gdisk)) { + return 0; + } + + // Fix bad moves + LFS_DEBUG("Fixing move {0x%"PRIx32", 0x%"PRIx32"} 0x%"PRIx16, + lfs->gdisk.pair[0], + lfs->gdisk.pair[1], + lfs_tag_id(lfs->gdisk.tag)); + + // no other gstate is supported at this time, so if we found something else + // something most likely went wrong in gstate calculation + LFS_ASSERT(lfs_tag_type3(lfs->gdisk.tag) == LFS_TYPE_DELETE); + + // fetch and delete the moved entry + lfs_mdir_t movedir; + int err = lfs_dir_fetch(lfs, &movedir, lfs->gdisk.pair); + if (err) { + return err; + } + + // prep gstate and delete move id + uint16_t moveid = lfs_tag_id(lfs->gdisk.tag); + lfs_fs_prepmove(lfs, 0x3ff, NULL); + err = lfs_dir_commit(lfs, &movedir, LFS_MKATTRS( + {LFS_MKTAG(LFS_TYPE_DELETE, moveid, 0), NULL})); + if (err) { + return err; + } + + return 0; +} +#endif + +#ifndef LFS_READONLY +static int lfs_fs_deorphan(lfs_t *lfs, bool powerloss) { + if (!lfs_gstate_hasorphans(&lfs->gstate)) { + return 0; + } + + // Check for orphans in two separate passes: + // - 1 for half-orphans (relocations) + // - 2 for full-orphans (removes/renames) + // + // Two separate passes are needed as half-orphans can contain outdated + // references to full-orphans, effectively hiding them from the deorphan + // search. + // + int pass = 0; + while (pass < 2) { + // Fix any orphans + lfs_mdir_t pdir = {.split = true, .tail = {0, 1}}; + lfs_mdir_t dir; + bool moreorphans = false; + + // iterate over all directory directory entries + while (!lfs_pair_isnull(pdir.tail)) { + int err = lfs_dir_fetch(lfs, &dir, pdir.tail); + if (err) { + return err; + } + + // check head blocks for orphans + if (!pdir.split) { + // check if we have a parent + lfs_mdir_t parent; + lfs_stag_t tag = lfs_fs_parent(lfs, pdir.tail, &parent); + if (tag < 0 && tag != LFS_ERR_NOENT) { + return tag; + } + + if (pass == 0 && tag != LFS_ERR_NOENT) { + lfs_block_t pair[2]; + lfs_stag_t state = lfs_dir_get(lfs, &parent, + LFS_MKTAG(0x7ff, 0x3ff, 0), tag, pair); + if (state < 0) { + return state; + } + lfs_pair_fromle32(pair); + + if (!lfs_pair_issync(pair, pdir.tail)) { + // we have desynced + LFS_DEBUG("Fixing half-orphan " + "{0x%"PRIx32", 0x%"PRIx32"} " + "-> {0x%"PRIx32", 0x%"PRIx32"}", + pdir.tail[0], pdir.tail[1], pair[0], pair[1]); + + // fix pending move in this pair? this looks like an + // optimization but is in fact _required_ since + // relocating may outdate the move. + uint16_t moveid = 0x3ff; + if (lfs_gstate_hasmovehere(&lfs->gstate, pdir.pair)) { + moveid = lfs_tag_id(lfs->gstate.tag); + LFS_DEBUG("Fixing move while fixing orphans " + "{0x%"PRIx32", 0x%"PRIx32"} 0x%"PRIx16"\n", + pdir.pair[0], pdir.pair[1], moveid); + lfs_fs_prepmove(lfs, 0x3ff, NULL); + } + + lfs_pair_tole32(pair); + state = lfs_dir_orphaningcommit(lfs, &pdir, LFS_MKATTRS( + {LFS_MKTAG_IF(moveid != 0x3ff, + LFS_TYPE_DELETE, moveid, 0), NULL}, + {LFS_MKTAG(LFS_TYPE_SOFTTAIL, 0x3ff, 8), + pair})); + lfs_pair_fromle32(pair); + if (state < 0) { + return state; + } + + // did our commit create more orphans? + if (state == LFS_OK_ORPHANED) { + moreorphans = true; + } + + // refetch tail + continue; + } + } + + // note we only check for full orphans if we may have had a + // power-loss, otherwise orphans are created intentionally + // during operations such as lfs_mkdir + if (pass == 1 && tag == LFS_ERR_NOENT && powerloss) { + // we are an orphan + LFS_DEBUG("Fixing orphan {0x%"PRIx32", 0x%"PRIx32"}", + pdir.tail[0], pdir.tail[1]); + + // steal state + err = lfs_dir_getgstate(lfs, &dir, &lfs->gdelta); + if (err) { + return err; + } + + // steal tail + lfs_pair_tole32(dir.tail); + int state = lfs_dir_orphaningcommit(lfs, &pdir, LFS_MKATTRS( + {LFS_MKTAG(LFS_TYPE_TAIL + dir.split, 0x3ff, 8), + dir.tail})); + lfs_pair_fromle32(dir.tail); + if (state < 0) { + return state; + } + + // did our commit create more orphans? + if (state == LFS_OK_ORPHANED) { + moreorphans = true; + } + + // refetch tail + continue; + } + } + + pdir = dir; + } + + pass = moreorphans ? 0 : pass+1; + } + + // mark orphans as fixed + return lfs_fs_preporphans(lfs, -lfs_gstate_getorphans(&lfs->gstate)); +} +#endif + +#ifndef LFS_READONLY +static int lfs_fs_forceconsistency(lfs_t *lfs) { + int err = lfs_fs_desuperblock(lfs); + if (err) { + return err; + } + + err = lfs_fs_demove(lfs); + if (err) { + return err; + } + + err = lfs_fs_deorphan(lfs, true); + if (err) { + return err; + } + + return 0; +} +#endif + +#ifndef LFS_READONLY +static int lfs_fs_mkconsistent_(lfs_t *lfs) { + // lfs_fs_forceconsistency does most of the work here + int err = lfs_fs_forceconsistency(lfs); + if (err) { + return err; + } + + // do we have any pending gstate? + lfs_gstate_t delta = {0}; + lfs_gstate_xor(&delta, &lfs->gdisk); + lfs_gstate_xor(&delta, &lfs->gstate); + if (!lfs_gstate_iszero(&delta)) { + // lfs_dir_commit will implicitly write out any pending gstate + lfs_mdir_t root; + err = lfs_dir_fetch(lfs, &root, lfs->root); + if (err) { + return err; + } + + err = lfs_dir_commit(lfs, &root, NULL, 0); + if (err) { + return err; + } + } + + return 0; +} +#endif + +static int lfs_fs_size_count(void *p, lfs_block_t block) { + (void)block; + lfs_size_t *size = p; + *size += 1; + return 0; +} + +static lfs_ssize_t lfs_fs_size_(lfs_t *lfs) { + lfs_size_t size = 0; + int err = lfs_fs_traverse_(lfs, lfs_fs_size_count, &size, false); + if (err) { + return err; + } + + return size; +} + +// explicit garbage collection +#ifndef LFS_READONLY +static int lfs_fs_gc_(lfs_t *lfs) { + // force consistency, even if we're not necessarily going to write, + // because this function is supposed to take care of janitorial work + // isn't it? + int err = lfs_fs_forceconsistency(lfs); + if (err) { + return err; + } + + // try to compact metadata pairs, note we can't really accomplish + // anything if compact_thresh doesn't at least leave a prog_size + // available + if (lfs->cfg->compact_thresh + < lfs->cfg->block_size - lfs->cfg->prog_size) { + // iterate over all mdirs + lfs_mdir_t mdir = {.tail = {0, 1}}; + while (!lfs_pair_isnull(mdir.tail)) { + err = lfs_dir_fetch(lfs, &mdir, mdir.tail); + if (err) { + return err; + } + + // not erased? exceeds our compaction threshold? + if (!mdir.erased || ((lfs->cfg->compact_thresh == 0) + ? mdir.off > lfs->cfg->block_size - lfs->cfg->block_size/8 + : mdir.off > lfs->cfg->compact_thresh)) { + // the easiest way to trigger a compaction is to mark + // the mdir as unerased and add an empty commit + mdir.erased = false; + err = lfs_dir_commit(lfs, &mdir, NULL, 0); + if (err) { + return err; + } + } + } + } + + // try to populate the lookahead buffer, unless it's already full + if (lfs->lookahead.size < 8*lfs->cfg->lookahead_size) { + err = lfs_alloc_scan(lfs); + if (err) { + return err; + } + } + + return 0; +} +#endif + +#ifndef LFS_READONLY +static int lfs_fs_grow_(lfs_t *lfs, lfs_size_t block_count) { + // shrinking is not supported + LFS_ASSERT(block_count >= lfs->block_count); + + if (block_count > lfs->block_count) { + lfs->block_count = block_count; + + // fetch the root + lfs_mdir_t root; + int err = lfs_dir_fetch(lfs, &root, lfs->root); + if (err) { + return err; + } + + // update the superblock + lfs_superblock_t superblock; + lfs_stag_t tag = lfs_dir_get(lfs, &root, LFS_MKTAG(0x7ff, 0x3ff, 0), + LFS_MKTAG(LFS_TYPE_INLINESTRUCT, 0, sizeof(superblock)), + &superblock); + if (tag < 0) { + return tag; + } + lfs_superblock_fromle32(&superblock); + + superblock.block_count = lfs->block_count; + + lfs_superblock_tole32(&superblock); + err = lfs_dir_commit(lfs, &root, LFS_MKATTRS( + {tag, &superblock})); + if (err) { + return err; + } + } + + return 0; +} +#endif + +#ifdef LFS_MIGRATE +////// Migration from littelfs v1 below this ////// + +/// Version info /// + +// Software library version +// Major (top-nibble), incremented on backwards incompatible changes +// Minor (bottom-nibble), incremented on feature additions +#define LFS1_VERSION 0x00010007 +#define LFS1_VERSION_MAJOR (0xffff & (LFS1_VERSION >> 16)) +#define LFS1_VERSION_MINOR (0xffff & (LFS1_VERSION >> 0)) + +// Version of On-disk data structures +// Major (top-nibble), incremented on backwards incompatible changes +// Minor (bottom-nibble), incremented on feature additions +#define LFS1_DISK_VERSION 0x00010001 +#define LFS1_DISK_VERSION_MAJOR (0xffff & (LFS1_DISK_VERSION >> 16)) +#define LFS1_DISK_VERSION_MINOR (0xffff & (LFS1_DISK_VERSION >> 0)) + + +/// v1 Definitions /// + +// File types +enum lfs1_type { + LFS1_TYPE_REG = 0x11, + LFS1_TYPE_DIR = 0x22, + LFS1_TYPE_SUPERBLOCK = 0x2e, +}; + +typedef struct lfs1 { + lfs_block_t root[2]; +} lfs1_t; + +typedef struct lfs1_entry { + lfs_off_t off; + + struct lfs1_disk_entry { + uint8_t type; + uint8_t elen; + uint8_t alen; + uint8_t nlen; + union { + struct { + lfs_block_t head; + lfs_size_t size; + } file; + lfs_block_t dir[2]; + } u; + } d; +} lfs1_entry_t; + +typedef struct lfs1_dir { + struct lfs1_dir *next; + lfs_block_t pair[2]; + lfs_off_t off; + + lfs_block_t head[2]; + lfs_off_t pos; + + struct lfs1_disk_dir { + uint32_t rev; + lfs_size_t size; + lfs_block_t tail[2]; + } d; +} lfs1_dir_t; + +typedef struct lfs1_superblock { + lfs_off_t off; + + struct lfs1_disk_superblock { + uint8_t type; + uint8_t elen; + uint8_t alen; + uint8_t nlen; + lfs_block_t root[2]; + uint32_t block_size; + uint32_t block_count; + uint32_t version; + char magic[8]; + } d; +} lfs1_superblock_t; + + +/// Low-level wrappers v1->v2 /// +static void lfs1_crc(uint32_t *crc, const void *buffer, size_t size) { + *crc = lfs_crc(*crc, buffer, size); +} + +static int lfs1_bd_read(lfs_t *lfs, lfs_block_t block, + lfs_off_t off, void *buffer, lfs_size_t size) { + // if we ever do more than writes to alternating pairs, + // this may need to consider pcache + return lfs_bd_read(lfs, &lfs->pcache, &lfs->rcache, size, + block, off, buffer, size); +} + +static int lfs1_bd_crc(lfs_t *lfs, lfs_block_t block, + lfs_off_t off, lfs_size_t size, uint32_t *crc) { + for (lfs_off_t i = 0; i < size; i++) { + uint8_t c; + int err = lfs1_bd_read(lfs, block, off+i, &c, 1); + if (err) { + return err; + } + + lfs1_crc(crc, &c, 1); + } + + return 0; +} + + +/// Endian swapping functions /// +static void lfs1_dir_fromle32(struct lfs1_disk_dir *d) { + d->rev = lfs_fromle32(d->rev); + d->size = lfs_fromle32(d->size); + d->tail[0] = lfs_fromle32(d->tail[0]); + d->tail[1] = lfs_fromle32(d->tail[1]); +} + +static void lfs1_dir_tole32(struct lfs1_disk_dir *d) { + d->rev = lfs_tole32(d->rev); + d->size = lfs_tole32(d->size); + d->tail[0] = lfs_tole32(d->tail[0]); + d->tail[1] = lfs_tole32(d->tail[1]); +} + +static void lfs1_entry_fromle32(struct lfs1_disk_entry *d) { + d->u.dir[0] = lfs_fromle32(d->u.dir[0]); + d->u.dir[1] = lfs_fromle32(d->u.dir[1]); +} + +static void lfs1_entry_tole32(struct lfs1_disk_entry *d) { + d->u.dir[0] = lfs_tole32(d->u.dir[0]); + d->u.dir[1] = lfs_tole32(d->u.dir[1]); +} + +static void lfs1_superblock_fromle32(struct lfs1_disk_superblock *d) { + d->root[0] = lfs_fromle32(d->root[0]); + d->root[1] = lfs_fromle32(d->root[1]); + d->block_size = lfs_fromle32(d->block_size); + d->block_count = lfs_fromle32(d->block_count); + d->version = lfs_fromle32(d->version); +} + + +///// Metadata pair and directory operations /// +static inline lfs_size_t lfs1_entry_size(const lfs1_entry_t *entry) { + return 4 + entry->d.elen + entry->d.alen + entry->d.nlen; +} + +static int lfs1_dir_fetch(lfs_t *lfs, + lfs1_dir_t *dir, const lfs_block_t pair[2]) { + // copy out pair, otherwise may be aliasing dir + const lfs_block_t tpair[2] = {pair[0], pair[1]}; + bool valid = false; + + // check both blocks for the most recent revision + for (int i = 0; i < 2; i++) { + struct lfs1_disk_dir test; + int err = lfs1_bd_read(lfs, tpair[i], 0, &test, sizeof(test)); + lfs1_dir_fromle32(&test); + if (err) { + if (err == LFS_ERR_CORRUPT) { + continue; + } + return err; + } + + if (valid && lfs_scmp(test.rev, dir->d.rev) < 0) { + continue; + } + + if ((0x7fffffff & test.size) < sizeof(test)+4 || + (0x7fffffff & test.size) > lfs->cfg->block_size) { + continue; + } + + uint32_t crc = 0xffffffff; + lfs1_dir_tole32(&test); + lfs1_crc(&crc, &test, sizeof(test)); + lfs1_dir_fromle32(&test); + err = lfs1_bd_crc(lfs, tpair[i], sizeof(test), + (0x7fffffff & test.size) - sizeof(test), &crc); + if (err) { + if (err == LFS_ERR_CORRUPT) { + continue; + } + return err; + } + + if (crc != 0) { + continue; + } + + valid = true; + + // setup dir in case it's valid + dir->pair[0] = tpair[(i+0) % 2]; + dir->pair[1] = tpair[(i+1) % 2]; + dir->off = sizeof(dir->d); + dir->d = test; + } + + if (!valid) { + LFS_ERROR("Corrupted dir pair at {0x%"PRIx32", 0x%"PRIx32"}", + tpair[0], tpair[1]); + return LFS_ERR_CORRUPT; + } + + return 0; +} + +static int lfs1_dir_next(lfs_t *lfs, lfs1_dir_t *dir, lfs1_entry_t *entry) { + while (dir->off + sizeof(entry->d) > (0x7fffffff & dir->d.size)-4) { + if (!(0x80000000 & dir->d.size)) { + entry->off = dir->off; + return LFS_ERR_NOENT; + } + + int err = lfs1_dir_fetch(lfs, dir, dir->d.tail); + if (err) { + return err; + } + + dir->off = sizeof(dir->d); + dir->pos += sizeof(dir->d) + 4; + } + + int err = lfs1_bd_read(lfs, dir->pair[0], dir->off, + &entry->d, sizeof(entry->d)); + lfs1_entry_fromle32(&entry->d); + if (err) { + return err; + } + + entry->off = dir->off; + dir->off += lfs1_entry_size(entry); + dir->pos += lfs1_entry_size(entry); + return 0; +} + +/// littlefs v1 specific operations /// +int lfs1_traverse(lfs_t *lfs, int (*cb)(void*, lfs_block_t), void *data) { + if (lfs_pair_isnull(lfs->lfs1->root)) { + return 0; + } + + // iterate over metadata pairs + lfs1_dir_t dir; + lfs1_entry_t entry; + lfs_block_t cwd[2] = {0, 1}; + + while (true) { + for (int i = 0; i < 2; i++) { + int err = cb(data, cwd[i]); + if (err) { + return err; + } + } + + int err = lfs1_dir_fetch(lfs, &dir, cwd); + if (err) { + return err; + } + + // iterate over contents + while (dir.off + sizeof(entry.d) <= (0x7fffffff & dir.d.size)-4) { + err = lfs1_bd_read(lfs, dir.pair[0], dir.off, + &entry.d, sizeof(entry.d)); + lfs1_entry_fromle32(&entry.d); + if (err) { + return err; + } + + dir.off += lfs1_entry_size(&entry); + if ((0x70 & entry.d.type) == (0x70 & LFS1_TYPE_REG)) { + err = lfs_ctz_traverse(lfs, NULL, &lfs->rcache, + entry.d.u.file.head, entry.d.u.file.size, cb, data); + if (err) { + return err; + } + } + } + + // we also need to check if we contain a threaded v2 directory + lfs_mdir_t dir2 = {.split=true, .tail={cwd[0], cwd[1]}}; + while (dir2.split) { + err = lfs_dir_fetch(lfs, &dir2, dir2.tail); + if (err) { + break; + } + + for (int i = 0; i < 2; i++) { + err = cb(data, dir2.pair[i]); + if (err) { + return err; + } + } + } + + cwd[0] = dir.d.tail[0]; + cwd[1] = dir.d.tail[1]; + + if (lfs_pair_isnull(cwd)) { + break; + } + } + + return 0; +} + +static int lfs1_moved(lfs_t *lfs, const void *e) { + if (lfs_pair_isnull(lfs->lfs1->root)) { + return 0; + } + + // skip superblock + lfs1_dir_t cwd; + int err = lfs1_dir_fetch(lfs, &cwd, (const lfs_block_t[2]){0, 1}); + if (err) { + return err; + } + + // iterate over all directory directory entries + lfs1_entry_t entry; + while (!lfs_pair_isnull(cwd.d.tail)) { + err = lfs1_dir_fetch(lfs, &cwd, cwd.d.tail); + if (err) { + return err; + } + + while (true) { + err = lfs1_dir_next(lfs, &cwd, &entry); + if (err && err != LFS_ERR_NOENT) { + return err; + } + + if (err == LFS_ERR_NOENT) { + break; + } + + if (!(0x80 & entry.d.type) && + memcmp(&entry.d.u, e, sizeof(entry.d.u)) == 0) { + return true; + } + } + } + + return false; +} + +/// Filesystem operations /// +static int lfs1_mount(lfs_t *lfs, struct lfs1 *lfs1, + const struct lfs_config *cfg) { + int err = 0; + { + err = lfs_init(lfs, cfg); + if (err) { + return err; + } + + lfs->lfs1 = lfs1; + lfs->lfs1->root[0] = LFS_BLOCK_NULL; + lfs->lfs1->root[1] = LFS_BLOCK_NULL; + + // setup free lookahead + lfs->lookahead.start = 0; + lfs->lookahead.size = 0; + lfs->lookahead.next = 0; + lfs_alloc_ckpoint(lfs); + + // load superblock + lfs1_dir_t dir; + lfs1_superblock_t superblock; + err = lfs1_dir_fetch(lfs, &dir, (const lfs_block_t[2]){0, 1}); + if (err && err != LFS_ERR_CORRUPT) { + goto cleanup; + } + + if (!err) { + err = lfs1_bd_read(lfs, dir.pair[0], sizeof(dir.d), + &superblock.d, sizeof(superblock.d)); + lfs1_superblock_fromle32(&superblock.d); + if (err) { + goto cleanup; + } + + lfs->lfs1->root[0] = superblock.d.root[0]; + lfs->lfs1->root[1] = superblock.d.root[1]; + } + + if (err || memcmp(superblock.d.magic, "littlefs", 8) != 0) { + LFS_ERROR("Invalid superblock at {0x%"PRIx32", 0x%"PRIx32"}", + 0, 1); + err = LFS_ERR_CORRUPT; + goto cleanup; + } + + uint16_t major_version = (0xffff & (superblock.d.version >> 16)); + uint16_t minor_version = (0xffff & (superblock.d.version >> 0)); + if ((major_version != LFS1_DISK_VERSION_MAJOR || + minor_version > LFS1_DISK_VERSION_MINOR)) { + LFS_ERROR("Invalid version v%d.%d", major_version, minor_version); + err = LFS_ERR_INVAL; + goto cleanup; + } + + return 0; + } + +cleanup: + lfs_deinit(lfs); + return err; +} + +static int lfs1_unmount(lfs_t *lfs) { + return lfs_deinit(lfs); +} + +/// v1 migration /// +static int lfs_migrate_(lfs_t *lfs, const struct lfs_config *cfg) { + struct lfs1 lfs1; + + // Indeterminate filesystem size not allowed for migration. + LFS_ASSERT(cfg->block_count != 0); + + int err = lfs1_mount(lfs, &lfs1, cfg); + if (err) { + return err; + } + + { + // iterate through each directory, copying over entries + // into new directory + lfs1_dir_t dir1; + lfs_mdir_t dir2; + dir1.d.tail[0] = lfs->lfs1->root[0]; + dir1.d.tail[1] = lfs->lfs1->root[1]; + while (!lfs_pair_isnull(dir1.d.tail)) { + // iterate old dir + err = lfs1_dir_fetch(lfs, &dir1, dir1.d.tail); + if (err) { + goto cleanup; + } + + // create new dir and bind as temporary pretend root + err = lfs_dir_alloc(lfs, &dir2); + if (err) { + goto cleanup; + } + + dir2.rev = dir1.d.rev; + dir1.head[0] = dir1.pair[0]; + dir1.head[1] = dir1.pair[1]; + lfs->root[0] = dir2.pair[0]; + lfs->root[1] = dir2.pair[1]; + + err = lfs_dir_commit(lfs, &dir2, NULL, 0); + if (err) { + goto cleanup; + } + + while (true) { + lfs1_entry_t entry1; + err = lfs1_dir_next(lfs, &dir1, &entry1); + if (err && err != LFS_ERR_NOENT) { + goto cleanup; + } + + if (err == LFS_ERR_NOENT) { + break; + } + + // check that entry has not been moved + if (entry1.d.type & 0x80) { + int moved = lfs1_moved(lfs, &entry1.d.u); + if (moved < 0) { + err = moved; + goto cleanup; + } + + if (moved) { + continue; + } + + entry1.d.type &= ~0x80; + } + + // also fetch name + char name[LFS_NAME_MAX+1]; + memset(name, 0, sizeof(name)); + err = lfs1_bd_read(lfs, dir1.pair[0], + entry1.off + 4+entry1.d.elen+entry1.d.alen, + name, entry1.d.nlen); + if (err) { + goto cleanup; + } + + bool isdir = (entry1.d.type == LFS1_TYPE_DIR); + + // create entry in new dir + err = lfs_dir_fetch(lfs, &dir2, lfs->root); + if (err) { + goto cleanup; + } + + uint16_t id; + err = lfs_dir_find(lfs, &dir2, &(const char*){name}, &id); + if (!(err == LFS_ERR_NOENT && id != 0x3ff)) { + err = (err < 0) ? err : LFS_ERR_EXIST; + goto cleanup; + } + + lfs1_entry_tole32(&entry1.d); + err = lfs_dir_commit(lfs, &dir2, LFS_MKATTRS( + {LFS_MKTAG(LFS_TYPE_CREATE, id, 0), NULL}, + {LFS_MKTAG_IF_ELSE(isdir, + LFS_TYPE_DIR, id, entry1.d.nlen, + LFS_TYPE_REG, id, entry1.d.nlen), + name}, + {LFS_MKTAG_IF_ELSE(isdir, + LFS_TYPE_DIRSTRUCT, id, sizeof(entry1.d.u), + LFS_TYPE_CTZSTRUCT, id, sizeof(entry1.d.u)), + &entry1.d.u})); + lfs1_entry_fromle32(&entry1.d); + if (err) { + goto cleanup; + } + } + + if (!lfs_pair_isnull(dir1.d.tail)) { + // find last block and update tail to thread into fs + err = lfs_dir_fetch(lfs, &dir2, lfs->root); + if (err) { + goto cleanup; + } + + while (dir2.split) { + err = lfs_dir_fetch(lfs, &dir2, dir2.tail); + if (err) { + goto cleanup; + } + } + + lfs_pair_tole32(dir2.pair); + err = lfs_dir_commit(lfs, &dir2, LFS_MKATTRS( + {LFS_MKTAG(LFS_TYPE_SOFTTAIL, 0x3ff, 8), dir1.d.tail})); + lfs_pair_fromle32(dir2.pair); + if (err) { + goto cleanup; + } + } + + // Copy over first block to thread into fs. Unfortunately + // if this fails there is not much we can do. + LFS_DEBUG("Migrating {0x%"PRIx32", 0x%"PRIx32"} " + "-> {0x%"PRIx32", 0x%"PRIx32"}", + lfs->root[0], lfs->root[1], dir1.head[0], dir1.head[1]); + + err = lfs_bd_erase(lfs, dir1.head[1]); + if (err) { + goto cleanup; + } + + err = lfs_dir_fetch(lfs, &dir2, lfs->root); + if (err) { + goto cleanup; + } + + for (lfs_off_t i = 0; i < dir2.off; i++) { + uint8_t dat; + err = lfs_bd_read(lfs, + NULL, &lfs->rcache, dir2.off, + dir2.pair[0], i, &dat, 1); + if (err) { + goto cleanup; + } + + err = lfs_bd_prog(lfs, + &lfs->pcache, &lfs->rcache, true, + dir1.head[1], i, &dat, 1); + if (err) { + goto cleanup; + } + } + + err = lfs_bd_flush(lfs, &lfs->pcache, &lfs->rcache, true); + if (err) { + goto cleanup; + } + } + + // Create new superblock. This marks a successful migration! + err = lfs1_dir_fetch(lfs, &dir1, (const lfs_block_t[2]){0, 1}); + if (err) { + goto cleanup; + } + + dir2.pair[0] = dir1.pair[0]; + dir2.pair[1] = dir1.pair[1]; + dir2.rev = dir1.d.rev; + dir2.off = sizeof(dir2.rev); + dir2.etag = 0xffffffff; + dir2.count = 0; + dir2.tail[0] = lfs->lfs1->root[0]; + dir2.tail[1] = lfs->lfs1->root[1]; + dir2.erased = false; + dir2.split = true; + + lfs_superblock_t superblock = { + .version = LFS_DISK_VERSION, + .block_size = lfs->cfg->block_size, + .block_count = lfs->cfg->block_count, + .name_max = lfs->name_max, + .file_max = lfs->file_max, + .attr_max = lfs->attr_max, + }; + + lfs_superblock_tole32(&superblock); + err = lfs_dir_commit(lfs, &dir2, LFS_MKATTRS( + {LFS_MKTAG(LFS_TYPE_CREATE, 0, 0), NULL}, + {LFS_MKTAG(LFS_TYPE_SUPERBLOCK, 0, 8), "littlefs"}, + {LFS_MKTAG(LFS_TYPE_INLINESTRUCT, 0, sizeof(superblock)), + &superblock})); + if (err) { + goto cleanup; + } + + // sanity check that fetch works + err = lfs_dir_fetch(lfs, &dir2, (const lfs_block_t[2]){0, 1}); + if (err) { + goto cleanup; + } + + // force compaction to prevent accidentally mounting v1 + dir2.erased = false; + err = lfs_dir_commit(lfs, &dir2, NULL, 0); + if (err) { + goto cleanup; + } + } + +cleanup: + lfs1_unmount(lfs); + return err; +} + +#endif + + +/// Public API wrappers /// + +// Here we can add tracing/thread safety easily + +// Thread-safe wrappers if enabled +#ifdef LFS_THREADSAFE +#define LFS_LOCK(cfg) cfg->lock(cfg) +#define LFS_UNLOCK(cfg) cfg->unlock(cfg) +#else +#define LFS_LOCK(cfg) ((void)cfg, 0) +#define LFS_UNLOCK(cfg) ((void)cfg) +#endif + +// Public API +#ifndef LFS_READONLY +int lfs_format(lfs_t *lfs, const struct lfs_config *cfg) { + int err = LFS_LOCK(cfg); + if (err) { + return err; + } + LFS_TRACE("lfs_format(%p, %p {.context=%p, " + ".read=%p, .prog=%p, .erase=%p, .sync=%p, " + ".read_size=%"PRIu32", .prog_size=%"PRIu32", " + ".block_size=%"PRIu32", .block_count=%"PRIu32", " + ".block_cycles=%"PRId32", .cache_size=%"PRIu32", " + ".lookahead_size=%"PRIu32", .read_buffer=%p, " + ".prog_buffer=%p, .lookahead_buffer=%p, " + ".name_max=%"PRIu32", .file_max=%"PRIu32", " + ".attr_max=%"PRIu32"})", + (void*)lfs, (void*)cfg, cfg->context, + (void*)(uintptr_t)cfg->read, (void*)(uintptr_t)cfg->prog, + (void*)(uintptr_t)cfg->erase, (void*)(uintptr_t)cfg->sync, + cfg->read_size, cfg->prog_size, cfg->block_size, cfg->block_count, + cfg->block_cycles, cfg->cache_size, cfg->lookahead_size, + cfg->read_buffer, cfg->prog_buffer, cfg->lookahead_buffer, + cfg->name_max, cfg->file_max, cfg->attr_max); + + err = lfs_format_(lfs, cfg); + + LFS_TRACE("lfs_format -> %d", err); + LFS_UNLOCK(cfg); + return err; +} +#endif + +int lfs_mount(lfs_t *lfs, const struct lfs_config *cfg) { + int err = LFS_LOCK(cfg); + if (err) { + return err; + } + LFS_TRACE("lfs_mount(%p, %p {.context=%p, " + ".read=%p, .prog=%p, .erase=%p, .sync=%p, " + ".read_size=%"PRIu32", .prog_size=%"PRIu32", " + ".block_size=%"PRIu32", .block_count=%"PRIu32", " + ".block_cycles=%"PRId32", .cache_size=%"PRIu32", " + ".lookahead_size=%"PRIu32", .read_buffer=%p, " + ".prog_buffer=%p, .lookahead_buffer=%p, " + ".name_max=%"PRIu32", .file_max=%"PRIu32", " + ".attr_max=%"PRIu32"})", + (void*)lfs, (void*)cfg, cfg->context, + (void*)(uintptr_t)cfg->read, (void*)(uintptr_t)cfg->prog, + (void*)(uintptr_t)cfg->erase, (void*)(uintptr_t)cfg->sync, + cfg->read_size, cfg->prog_size, cfg->block_size, cfg->block_count, + cfg->block_cycles, cfg->cache_size, cfg->lookahead_size, + cfg->read_buffer, cfg->prog_buffer, cfg->lookahead_buffer, + cfg->name_max, cfg->file_max, cfg->attr_max); + + err = lfs_mount_(lfs, cfg); + + LFS_TRACE("lfs_mount -> %d", err); + LFS_UNLOCK(cfg); + return err; +} + +int lfs_unmount(lfs_t *lfs) { + int err = LFS_LOCK(lfs->cfg); + if (err) { + return err; + } + LFS_TRACE("lfs_unmount(%p)", (void*)lfs); + + err = lfs_unmount_(lfs); + + LFS_TRACE("lfs_unmount -> %d", err); + LFS_UNLOCK(lfs->cfg); + return err; +} + +#ifndef LFS_READONLY +int lfs_remove(lfs_t *lfs, const char *path) { + int err = LFS_LOCK(lfs->cfg); + if (err) { + return err; + } + LFS_TRACE("lfs_remove(%p, \"%s\")", (void*)lfs, path); + + err = lfs_remove_(lfs, path); + + LFS_TRACE("lfs_remove -> %d", err); + LFS_UNLOCK(lfs->cfg); + return err; +} +#endif + +#ifndef LFS_READONLY +int lfs_rename(lfs_t *lfs, const char *oldpath, const char *newpath) { + int err = LFS_LOCK(lfs->cfg); + if (err) { + return err; + } + LFS_TRACE("lfs_rename(%p, \"%s\", \"%s\")", (void*)lfs, oldpath, newpath); + + err = lfs_rename_(lfs, oldpath, newpath); + + LFS_TRACE("lfs_rename -> %d", err); + LFS_UNLOCK(lfs->cfg); + return err; +} +#endif + +int lfs_stat(lfs_t *lfs, const char *path, struct lfs_info *info) { + int err = LFS_LOCK(lfs->cfg); + if (err) { + return err; + } + LFS_TRACE("lfs_stat(%p, \"%s\", %p)", (void*)lfs, path, (void*)info); + + err = lfs_stat_(lfs, path, info); + + LFS_TRACE("lfs_stat -> %d", err); + LFS_UNLOCK(lfs->cfg); + return err; +} + +lfs_ssize_t lfs_getattr(lfs_t *lfs, const char *path, + uint8_t type, void *buffer, lfs_size_t size) { + int err = LFS_LOCK(lfs->cfg); + if (err) { + return err; + } + LFS_TRACE("lfs_getattr(%p, \"%s\", %"PRIu8", %p, %"PRIu32")", + (void*)lfs, path, type, buffer, size); + + lfs_ssize_t res = lfs_getattr_(lfs, path, type, buffer, size); + + LFS_TRACE("lfs_getattr -> %"PRId32, res); + LFS_UNLOCK(lfs->cfg); + return res; +} + +#ifndef LFS_READONLY +int lfs_setattr(lfs_t *lfs, const char *path, + uint8_t type, const void *buffer, lfs_size_t size) { + int err = LFS_LOCK(lfs->cfg); + if (err) { + return err; + } + LFS_TRACE("lfs_setattr(%p, \"%s\", %"PRIu8", %p, %"PRIu32")", + (void*)lfs, path, type, buffer, size); + + err = lfs_setattr_(lfs, path, type, buffer, size); + + LFS_TRACE("lfs_setattr -> %d", err); + LFS_UNLOCK(lfs->cfg); + return err; +} +#endif + +#ifndef LFS_READONLY +int lfs_removeattr(lfs_t *lfs, const char *path, uint8_t type) { + int err = LFS_LOCK(lfs->cfg); + if (err) { + return err; + } + LFS_TRACE("lfs_removeattr(%p, \"%s\", %"PRIu8")", (void*)lfs, path, type); + + err = lfs_removeattr_(lfs, path, type); + + LFS_TRACE("lfs_removeattr -> %d", err); + LFS_UNLOCK(lfs->cfg); + return err; +} +#endif + +#ifndef LFS_NO_MALLOC +int lfs_file_open(lfs_t *lfs, lfs_file_t *file, const char *path, int flags) { + int err = LFS_LOCK(lfs->cfg); + if (err) { + return err; + } + LFS_TRACE("lfs_file_open(%p, %p, \"%s\", %x)", + (void*)lfs, (void*)file, path, (unsigned)flags); + LFS_ASSERT(!lfs_mlist_isopen(lfs->mlist, (struct lfs_mlist*)file)); + + err = lfs_file_open_(lfs, file, path, flags); + + LFS_TRACE("lfs_file_open -> %d", err); + LFS_UNLOCK(lfs->cfg); + return err; +} +#endif + +int lfs_file_opencfg(lfs_t *lfs, lfs_file_t *file, + const char *path, int flags, + const struct lfs_file_config *cfg) { + int err = LFS_LOCK(lfs->cfg); + if (err) { + return err; + } + LFS_TRACE("lfs_file_opencfg(%p, %p, \"%s\", %x, %p {" + ".buffer=%p, .attrs=%p, .attr_count=%"PRIu32"})", + (void*)lfs, (void*)file, path, (unsigned)flags, + (void*)cfg, cfg->buffer, (void*)cfg->attrs, cfg->attr_count); + LFS_ASSERT(!lfs_mlist_isopen(lfs->mlist, (struct lfs_mlist*)file)); + + err = lfs_file_opencfg_(lfs, file, path, flags, cfg); + + LFS_TRACE("lfs_file_opencfg -> %d", err); + LFS_UNLOCK(lfs->cfg); + return err; +} + +int lfs_file_close(lfs_t *lfs, lfs_file_t *file) { + int err = LFS_LOCK(lfs->cfg); + if (err) { + return err; + } + LFS_TRACE("lfs_file_close(%p, %p)", (void*)lfs, (void*)file); + LFS_ASSERT(lfs_mlist_isopen(lfs->mlist, (struct lfs_mlist*)file)); + + err = lfs_file_close_(lfs, file); + + LFS_TRACE("lfs_file_close -> %d", err); + LFS_UNLOCK(lfs->cfg); + return err; +} + +#ifndef LFS_READONLY +int lfs_file_sync(lfs_t *lfs, lfs_file_t *file) { + int err = LFS_LOCK(lfs->cfg); + if (err) { + return err; + } + LFS_TRACE("lfs_file_sync(%p, %p)", (void*)lfs, (void*)file); + LFS_ASSERT(lfs_mlist_isopen(lfs->mlist, (struct lfs_mlist*)file)); + + err = lfs_file_sync_(lfs, file); + + LFS_TRACE("lfs_file_sync -> %d", err); + LFS_UNLOCK(lfs->cfg); + return err; +} +#endif + +lfs_ssize_t lfs_file_read(lfs_t *lfs, lfs_file_t *file, + void *buffer, lfs_size_t size) { + int err = LFS_LOCK(lfs->cfg); + if (err) { + return err; + } + LFS_TRACE("lfs_file_read(%p, %p, %p, %"PRIu32")", + (void*)lfs, (void*)file, buffer, size); + LFS_ASSERT(lfs_mlist_isopen(lfs->mlist, (struct lfs_mlist*)file)); + + lfs_ssize_t res = lfs_file_read_(lfs, file, buffer, size); + + LFS_TRACE("lfs_file_read -> %"PRId32, res); + LFS_UNLOCK(lfs->cfg); + return res; +} + +#ifndef LFS_READONLY +lfs_ssize_t lfs_file_write(lfs_t *lfs, lfs_file_t *file, + const void *buffer, lfs_size_t size) { + int err = LFS_LOCK(lfs->cfg); + if (err) { + return err; + } + LFS_TRACE("lfs_file_write(%p, %p, %p, %"PRIu32")", + (void*)lfs, (void*)file, buffer, size); + LFS_ASSERT(lfs_mlist_isopen(lfs->mlist, (struct lfs_mlist*)file)); + + lfs_ssize_t res = lfs_file_write_(lfs, file, buffer, size); + + LFS_TRACE("lfs_file_write -> %"PRId32, res); + LFS_UNLOCK(lfs->cfg); + return res; +} +#endif + +lfs_soff_t lfs_file_seek(lfs_t *lfs, lfs_file_t *file, + lfs_soff_t off, int whence) { + int err = LFS_LOCK(lfs->cfg); + if (err) { + return err; + } + LFS_TRACE("lfs_file_seek(%p, %p, %"PRId32", %d)", + (void*)lfs, (void*)file, off, whence); + LFS_ASSERT(lfs_mlist_isopen(lfs->mlist, (struct lfs_mlist*)file)); + + lfs_soff_t res = lfs_file_seek_(lfs, file, off, whence); + + LFS_TRACE("lfs_file_seek -> %"PRId32, res); + LFS_UNLOCK(lfs->cfg); + return res; +} + +#ifndef LFS_READONLY +int lfs_file_truncate(lfs_t *lfs, lfs_file_t *file, lfs_off_t size) { + int err = LFS_LOCK(lfs->cfg); + if (err) { + return err; + } + LFS_TRACE("lfs_file_truncate(%p, %p, %"PRIu32")", + (void*)lfs, (void*)file, size); + LFS_ASSERT(lfs_mlist_isopen(lfs->mlist, (struct lfs_mlist*)file)); + + err = lfs_file_truncate_(lfs, file, size); + + LFS_TRACE("lfs_file_truncate -> %d", err); + LFS_UNLOCK(lfs->cfg); + return err; +} +#endif + +lfs_soff_t lfs_file_tell(lfs_t *lfs, lfs_file_t *file) { + int err = LFS_LOCK(lfs->cfg); + if (err) { + return err; + } + LFS_TRACE("lfs_file_tell(%p, %p)", (void*)lfs, (void*)file); + LFS_ASSERT(lfs_mlist_isopen(lfs->mlist, (struct lfs_mlist*)file)); + + lfs_soff_t res = lfs_file_tell_(lfs, file); + + LFS_TRACE("lfs_file_tell -> %"PRId32, res); + LFS_UNLOCK(lfs->cfg); + return res; +} + +int lfs_file_rewind(lfs_t *lfs, lfs_file_t *file) { + int err = LFS_LOCK(lfs->cfg); + if (err) { + return err; + } + LFS_TRACE("lfs_file_rewind(%p, %p)", (void*)lfs, (void*)file); + + err = lfs_file_rewind_(lfs, file); + + LFS_TRACE("lfs_file_rewind -> %d", err); + LFS_UNLOCK(lfs->cfg); + return err; +} + +lfs_soff_t lfs_file_size(lfs_t *lfs, lfs_file_t *file) { + int err = LFS_LOCK(lfs->cfg); + if (err) { + return err; + } + LFS_TRACE("lfs_file_size(%p, %p)", (void*)lfs, (void*)file); + LFS_ASSERT(lfs_mlist_isopen(lfs->mlist, (struct lfs_mlist*)file)); + + lfs_soff_t res = lfs_file_size_(lfs, file); + + LFS_TRACE("lfs_file_size -> %"PRIu32, res); + LFS_UNLOCK(lfs->cfg); + return res; +} + +#ifndef LFS_READONLY +int lfs_mkdir(lfs_t *lfs, const char *path) { + int err = LFS_LOCK(lfs->cfg); + if (err) { + return err; + } + LFS_TRACE("lfs_mkdir(%p, \"%s\")", (void*)lfs, path); + + err = lfs_mkdir_(lfs, path); + + LFS_TRACE("lfs_mkdir -> %d", err); + LFS_UNLOCK(lfs->cfg); + return err; +} +#endif + +int lfs_dir_open(lfs_t *lfs, lfs_dir_t *dir, const char *path) { + int err = LFS_LOCK(lfs->cfg); + if (err) { + return err; + } + LFS_TRACE("lfs_dir_open(%p, %p, \"%s\")", (void*)lfs, (void*)dir, path); + LFS_ASSERT(!lfs_mlist_isopen(lfs->mlist, (struct lfs_mlist*)dir)); + + err = lfs_dir_open_(lfs, dir, path); + + LFS_TRACE("lfs_dir_open -> %d", err); + LFS_UNLOCK(lfs->cfg); + return err; +} + +int lfs_dir_close(lfs_t *lfs, lfs_dir_t *dir) { + int err = LFS_LOCK(lfs->cfg); + if (err) { + return err; + } + LFS_TRACE("lfs_dir_close(%p, %p)", (void*)lfs, (void*)dir); + + err = lfs_dir_close_(lfs, dir); + + LFS_TRACE("lfs_dir_close -> %d", err); + LFS_UNLOCK(lfs->cfg); + return err; +} + +int lfs_dir_read(lfs_t *lfs, lfs_dir_t *dir, struct lfs_info *info) { + int err = LFS_LOCK(lfs->cfg); + if (err) { + return err; + } + LFS_TRACE("lfs_dir_read(%p, %p, %p)", + (void*)lfs, (void*)dir, (void*)info); + + err = lfs_dir_read_(lfs, dir, info); + + LFS_TRACE("lfs_dir_read -> %d", err); + LFS_UNLOCK(lfs->cfg); + return err; +} + +int lfs_dir_seek(lfs_t *lfs, lfs_dir_t *dir, lfs_off_t off) { + int err = LFS_LOCK(lfs->cfg); + if (err) { + return err; + } + LFS_TRACE("lfs_dir_seek(%p, %p, %"PRIu32")", + (void*)lfs, (void*)dir, off); + + err = lfs_dir_seek_(lfs, dir, off); + + LFS_TRACE("lfs_dir_seek -> %d", err); + LFS_UNLOCK(lfs->cfg); + return err; +} + +lfs_soff_t lfs_dir_tell(lfs_t *lfs, lfs_dir_t *dir) { + int err = LFS_LOCK(lfs->cfg); + if (err) { + return err; + } + LFS_TRACE("lfs_dir_tell(%p, %p)", (void*)lfs, (void*)dir); + + lfs_soff_t res = lfs_dir_tell_(lfs, dir); + + LFS_TRACE("lfs_dir_tell -> %"PRId32, res); + LFS_UNLOCK(lfs->cfg); + return res; +} + +int lfs_dir_rewind(lfs_t *lfs, lfs_dir_t *dir) { + int err = LFS_LOCK(lfs->cfg); + if (err) { + return err; + } + LFS_TRACE("lfs_dir_rewind(%p, %p)", (void*)lfs, (void*)dir); + + err = lfs_dir_rewind_(lfs, dir); + + LFS_TRACE("lfs_dir_rewind -> %d", err); + LFS_UNLOCK(lfs->cfg); + return err; +} + +int lfs_fs_stat(lfs_t *lfs, struct lfs_fsinfo *fsinfo) { + int err = LFS_LOCK(lfs->cfg); + if (err) { + return err; + } + LFS_TRACE("lfs_fs_stat(%p, %p)", (void*)lfs, (void*)fsinfo); + + err = lfs_fs_stat_(lfs, fsinfo); + + LFS_TRACE("lfs_fs_stat -> %d", err); + LFS_UNLOCK(lfs->cfg); + return err; +} + +lfs_ssize_t lfs_fs_size(lfs_t *lfs) { + int err = LFS_LOCK(lfs->cfg); + if (err) { + return err; + } + LFS_TRACE("lfs_fs_size(%p)", (void*)lfs); + + lfs_ssize_t res = lfs_fs_size_(lfs); + + LFS_TRACE("lfs_fs_size -> %"PRId32, res); + LFS_UNLOCK(lfs->cfg); + return res; +} + +int lfs_fs_traverse(lfs_t *lfs, int (*cb)(void *, lfs_block_t), void *data) { + int err = LFS_LOCK(lfs->cfg); + if (err) { + return err; + } + LFS_TRACE("lfs_fs_traverse(%p, %p, %p)", + (void*)lfs, (void*)(uintptr_t)cb, data); + + err = lfs_fs_traverse_(lfs, cb, data, true); + + LFS_TRACE("lfs_fs_traverse -> %d", err); + LFS_UNLOCK(lfs->cfg); + return err; +} + +#ifndef LFS_READONLY +int lfs_fs_mkconsistent(lfs_t *lfs) { + int err = LFS_LOCK(lfs->cfg); + if (err) { + return err; + } + LFS_TRACE("lfs_fs_mkconsistent(%p)", (void*)lfs); + + err = lfs_fs_mkconsistent_(lfs); + + LFS_TRACE("lfs_fs_mkconsistent -> %d", err); + LFS_UNLOCK(lfs->cfg); + return err; +} +#endif + +#ifndef LFS_READONLY +int lfs_fs_gc(lfs_t *lfs) { + int err = LFS_LOCK(lfs->cfg); + if (err) { + return err; + } + LFS_TRACE("lfs_fs_gc(%p)", (void*)lfs); + + err = lfs_fs_gc_(lfs); + + LFS_TRACE("lfs_fs_gc -> %d", err); + LFS_UNLOCK(lfs->cfg); + return err; +} +#endif + +#ifndef LFS_READONLY +int lfs_fs_grow(lfs_t *lfs, lfs_size_t block_count) { + int err = LFS_LOCK(lfs->cfg); + if (err) { + return err; + } + LFS_TRACE("lfs_fs_grow(%p, %"PRIu32")", (void*)lfs, block_count); + + err = lfs_fs_grow_(lfs, block_count); + + LFS_TRACE("lfs_fs_grow -> %d", err); + LFS_UNLOCK(lfs->cfg); + return err; +} +#endif + +#ifdef LFS_MIGRATE +int lfs_migrate(lfs_t *lfs, const struct lfs_config *cfg) { + int err = LFS_LOCK(cfg); + if (err) { + return err; + } + LFS_TRACE("lfs_migrate(%p, %p {.context=%p, " + ".read=%p, .prog=%p, .erase=%p, .sync=%p, " + ".read_size=%"PRIu32", .prog_size=%"PRIu32", " + ".block_size=%"PRIu32", .block_count=%"PRIu32", " + ".block_cycles=%"PRId32", .cache_size=%"PRIu32", " + ".lookahead_size=%"PRIu32", .read_buffer=%p, " + ".prog_buffer=%p, .lookahead_buffer=%p, " + ".name_max=%"PRIu32", .file_max=%"PRIu32", " + ".attr_max=%"PRIu32"})", + (void*)lfs, (void*)cfg, cfg->context, + (void*)(uintptr_t)cfg->read, (void*)(uintptr_t)cfg->prog, + (void*)(uintptr_t)cfg->erase, (void*)(uintptr_t)cfg->sync, + cfg->read_size, cfg->prog_size, cfg->block_size, cfg->block_count, + cfg->block_cycles, cfg->cache_size, cfg->lookahead_size, + cfg->read_buffer, cfg->prog_buffer, cfg->lookahead_buffer, + cfg->name_max, cfg->file_max, cfg->attr_max); + + err = lfs_migrate_(lfs, cfg); + + LFS_TRACE("lfs_migrate -> %d", err); + LFS_UNLOCK(cfg); + return err; +} +#endif + diff --git a/Ganesha_II_V2/Core/Src/littlefs/lfs_util.c b/Ganesha_II_V2/Core/Src/littlefs/lfs_util.c new file mode 100644 index 0000000..dac72ab --- /dev/null +++ b/Ganesha_II_V2/Core/Src/littlefs/lfs_util.c @@ -0,0 +1,37 @@ +/* + * lfs util functions + * + * Copyright (c) 2022, The littlefs authors. + * Copyright (c) 2017, Arm Limited. All rights reserved. + * SPDX-License-Identifier: BSD-3-Clause + */ +#include "lfs_util.h" + +// Only compile if user does not provide custom config +#ifndef LFS_CONFIG + + +// If user provides their own CRC impl we don't need this +#ifndef LFS_CRC +// Software CRC implementation with small lookup table +uint32_t lfs_crc(uint32_t crc, const void *buffer, size_t size) { + static const uint32_t rtable[16] = { + 0x00000000, 0x1db71064, 0x3b6e20c8, 0x26d930ac, + 0x76dc4190, 0x6b6b51f4, 0x4db26158, 0x5005713c, + 0xedb88320, 0xf00f9344, 0xd6d6a3e8, 0xcb61b38c, + 0x9b64c2b0, 0x86d3d2d4, 0xa00ae278, 0xbdbdf21c, + }; + + const uint8_t *data = buffer; + + for (size_t i = 0; i < size; i++) { + crc = (crc >> 4) ^ rtable[(crc ^ (data[i] >> 0)) & 0xf]; + crc = (crc >> 4) ^ rtable[(crc ^ (data[i] >> 4)) & 0xf]; + } + + return crc; +} +#endif + + +#endif diff --git a/Ganesha_II_V2/Core/Src/main.c b/Ganesha_II_V2/Core/Src/main.c index 277e700..7e23b6d 100644 --- a/Ganesha_II_V2/Core/Src/main.c +++ b/Ganesha_II_V2/Core/Src/main.c @@ -185,19 +185,19 @@ uint32_t calculate_checksum(const uint8_t *data, size_t length) } // Triggers when the timer has run, shutdowns the camera -void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef *htim){ -// if (camera_fired == 1){ -// // Timer Stopped -// HAL_TIM_Base_Stop_IT(&htim1); -// // Camera Stopped -// HAL_GPIO_TogglePin(GPIOD, CAM_FIRE_Pin); -// camera_fired ^= 1; -// } - - // Timer Notes +void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef *htim) +{ + // if (camera_fired == 1){ + // // Timer Stopped + // HAL_TIM_Base_Stop_IT(&htim1); + // // Camera Stopped + // HAL_GPIO_TogglePin(GPIOD, CAM_FIRE_Pin); + // camera_fired ^= 1; + // } + // Timer Notes: // Prescaler = 999, Counter = 3999, APB2 Timer Clock = 8MHZ, Div By 2, Time = 0.5s - //Prescaler = 999, Counter = 7999, APB2 Timer Clock = 8MHZ, Div By 2, Time = 1s - //Prescaler = 59999, Counter = 9999, APB2 Timer Clock = 8MHZ, Div By 2, Time = 180s + // Prescaler = 999, Counter = 7999, APB2 Timer Clock = 8MHZ, Div By 2, Time = 1s + // Prescaler = 59999, Counter = 9999, APB2 Timer Clock = 8MHZ, Div By 2, Time = 180s } uint8_t bmi088_init_ok = 0; @@ -284,6 +284,7 @@ int main(void) dumb_timer_init(&camera_timer, HRS_TO_MS(2)); uint32_t prev_baro_read_time = HAL_GetTick(); + uint32_t prev_flash_write_time = HAL_GetTick(); uint8_t bmi088_init_try_count = 1; @@ -310,14 +311,14 @@ int main(void) flash_init(&flash, GD5F1GQ5XE); flash_mount(&flash, &flash_cfg); - MX_USB_DEVICE_Init(); - /* uint32_t boot_count = flash_boot_count(&flash, false); */ - /* lfs_file_t packet_file; */ + /* MX_USB_DEVICE_Init(); */ + uint32_t boot_count = flash_boot_count(&flash, false); + lfs_file_t packet_file; + flash_open(&flash, &packet_file, "packets"); __HAL_UART_CLEAR_OREFLAG(&huart5); HAL_UART_Receive_IT(&huart5, camera_buffer, 4); - /* flash_open(&flash, &packet_file, "packets"); */ /* USER CODE END 2 */ /* Infinite loop */ @@ -391,25 +392,18 @@ int main(void) } packet.status = (camera_fired == 1) ? 1 : 0; - packet.checksum = calculate_checksum((const uint8_t *)&packet+sizeof(short), sizeof(packet)-6); packet.time_us = get_time_us(); - HAL_UART_Transmit(&huart5, (uint8_t*)&packet, sizeof(packet), HAL_MAX_DELAY); - /* flash_append(&flash, &packet_file, (uint8_t*) &packet, sizeof(packet)); */ - - if (camera_fired == 1){ - packet.status = 1; - } else { - packet.status = 0; - } + packet.kf_position_m = bmp_data.pressure; - packet.kf_position_m = bmp_data.pressure; - - packet.time_us = get_time_us(); - packet.checksum = calculate_checksum((const uint8_t *)&packet+sizeof(short), sizeof(packet)-6); + packet.checksum = calculate_checksum((const uint8_t *)&packet+sizeof(short), sizeof(packet)-6); - HAL_UART_Transmit(&huart5, (uint8_t*)&packet, sizeof(packet), HAL_MAX_DELAY); + HAL_UART_Transmit(&huart5, (uint8_t*)&packet, sizeof(packet), HAL_MAX_DELAY); + if (current_time - prev_flash_write_time >= 10) { + prev_flash_write_time = current_time; + flash_append(&flash, &packet_file, (uint8_t*) &packet, sizeof(packet)); + } - HAL_GPIO_TogglePin(GPIOB, LED_Pin); + HAL_GPIO_TogglePin(GPIOB, LED_Pin); } /* flash_close(&flash, &packet_file); */ @@ -719,7 +713,7 @@ static void MX_TIM1_Init(void) /* USER CODE END TIM1_Init 1 */ htim1.Instance = TIM1; - htim1.Init.Prescaler = 18310-1; + htim1.Init.Prescaler = 65535; htim1.Init.CounterMode = TIM_COUNTERMODE_UP; htim1.Init.Period = 65535; htim1.Init.ClockDivision = TIM_CLOCKDIVISION_DIV2; diff --git a/Ganesha_II_V2/Makefile b/Ganesha_II_V2/Makefile index 0080074..834360b 100644 --- a/Ganesha_II_V2/Makefile +++ b/Ganesha_II_V2/Makefile @@ -1,5 +1,5 @@ ########################################################################################################################## -# File automatically-generated by tool: [projectgenerator] version: [4.7.0-B52] date: [Thu Apr 30 03:25:33 GMT 2026] +# File automatically-generated by tool: [projectgenerator] version: [4.9.0-B19] date: [Sun May 03 08:29:56 GMT 2026] ########################################################################################################################## # ------------------------------------------------ From b5cbd7deb36b46455cd4c702b3dcd1393a648cae Mon Sep 17 00:00:00 2001 From: wispl Date: Mon, 18 May 2026 13:52:31 -0400 Subject: [PATCH 05/12] fixup: small usbd tweaks --- Ganesha_II_V2/USB_DEVICE/App/usbd_storage_if.c | 6 ++---- Ganesha_II_V2/USB_DEVICE/Target/usbd_conf.h | 4 ++-- 2 files changed, 4 insertions(+), 6 deletions(-) diff --git a/Ganesha_II_V2/USB_DEVICE/App/usbd_storage_if.c b/Ganesha_II_V2/USB_DEVICE/App/usbd_storage_if.c index 3bfe3d5..0408988 100644 --- a/Ganesha_II_V2/USB_DEVICE/App/usbd_storage_if.c +++ b/Ganesha_II_V2/USB_DEVICE/App/usbd_storage_if.c @@ -64,7 +64,6 @@ #define STORAGE_LUN_NBR 1 #define STORAGE_BLK_NBR 0x10000 -/* #define STORAGE_BLK_NBR 0x1000 */ #define STORAGE_BLK_SIZ 0x200 /* USER CODE BEGIN PRIVATE_DEFINES */ @@ -245,11 +244,10 @@ int8_t STORAGE_Read_FS(uint8_t lun, uint8_t *buf, uint32_t blk_addr, uint16_t bl /* UNUSED(buf); */ /* UNUSED(blk_addr); */ /* UNUSED(blk_len); */ - uint32_t total_offset = blk_addr * STORAGE_BLK_SIZ; uint32_t total_size = blk_len * STORAGE_BLK_SIZ; - uint32_t page = total_offset / GD5F_PAGE_SIZE; - uint16_t col = total_offset % GD5F_PAGE_SIZE; + uint32_t page = total_offset / GD5F_PAGE_SIZE; + uint16_t col = total_offset % GD5F_PAGE_SIZE; gd5f1gq5xe_read(page, col, buf, total_size); return (USBD_OK); /* USER CODE END 6 */ diff --git a/Ganesha_II_V2/USB_DEVICE/Target/usbd_conf.h b/Ganesha_II_V2/USB_DEVICE/Target/usbd_conf.h index 2c129dc..e764373 100644 --- a/Ganesha_II_V2/USB_DEVICE/Target/usbd_conf.h +++ b/Ganesha_II_V2/USB_DEVICE/Target/usbd_conf.h @@ -67,7 +67,7 @@ /*---------- -----------*/ #define USBD_MAX_NUM_CONFIGURATION 1U /*---------- -----------*/ -#define USBD_MAX_STR_DESC_SIZ 512U +#define USBD_MAX_STR_DESC_SIZ 2048U /*---------- -----------*/ #define USBD_DEBUG_LEVEL 0U /*---------- -----------*/ @@ -75,7 +75,7 @@ /*---------- -----------*/ #define USBD_SELF_POWERED 1U /*---------- -----------*/ -#define MSC_MEDIA_PACKET 512U +#define MSC_MEDIA_PACKET 2048U /****************************************/ /* #define for FS and HS identification */ From 5075caa1a6865bf18bae7731ffe3f83b8a65fed2 Mon Sep 17 00:00:00 2001 From: wispl Date: Mon, 18 May 2026 14:30:10 -0400 Subject: [PATCH 06/12] fixup: adapt to main branch changes --- Ganesha_II_V2/.cproject | 66 +++++++++++++-------- Ganesha_II_V2/.mxproject | 4 +- Ganesha_II_V2/Core/Src/main.c | 22 ++----- Ganesha_II_V2/Ganesha_II_V2.ioc | 35 +++++++---- Ganesha_II_V2/USB_DEVICE/Target/usbd_conf.h | 4 +- 5 files changed, 74 insertions(+), 57 deletions(-) diff --git a/Ganesha_II_V2/.cproject b/Ganesha_II_V2/.cproject index 358a67b..58da499 100644 --- a/Ganesha_II_V2/.cproject +++ b/Ganesha_II_V2/.cproject @@ -23,8 +23,8 @@ @@ -68,7 +71,10 @@ - + + + + @@ -92,7 +98,9 @@ + + @@ -114,59 +122,65 @@ - + + diff --git a/Ganesha_II_V2/.mxproject b/Ganesha_II_V2/.mxproject index 034894d..04bf3a0 100644 --- a/Ganesha_II_V2/.mxproject +++ b/Ganesha_II_V2/.mxproject @@ -2,8 +2,8 @@ LibFiles=Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_pcd.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_pcd_ex.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_usb.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_rcc.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_rcc_ex.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_bus.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_rcc.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_crs.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_system.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_utils.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_flash.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_flash_ex.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_gpio.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_gpio_ex.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_gpio.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_hsem.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_hsem.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_dma.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_dma_ex.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_dma.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_dmamux.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_mdma.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_pwr.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_pwr_ex.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_pwr.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_cortex.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_cortex.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_def.h;Drivers/STM32H7xx_HAL_Driver/Inc/Legacy/stm32_hal_legacy.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_i2c.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_i2c_ex.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_exti.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_exti.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_crc.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_crc_ex.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_crc.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_i2c.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_spi.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_spi.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_spi_ex.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_tim.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_tim_ex.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_tim.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_uart.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_usart.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_lpuart.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_uart_ex.h;Middlewares/ST/STM32_USB_Device_Library/Core/Inc/usbd_core.h;Middlewares/ST/STM32_USB_Device_Library/Core/Inc/usbd_ctlreq.h;Middlewares/ST/STM32_USB_Device_Library/Core/Inc/usbd_def.h;Middlewares/ST/STM32_USB_Device_Library/Core/Inc/usbd_ioreq.h;Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Inc/usbd_msc.h;Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Inc/usbd_msc_bot.h;Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Inc/usbd_msc_data.h;Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Inc/usbd_msc_scsi.h;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_pcd.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_pcd_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_ll_usb.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_rcc.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_rcc_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_flash.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_flash_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_gpio.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_hsem.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_dma.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_dma_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_mdma.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_pwr.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_pwr_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_cortex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_i2c.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_i2c_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_exti.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_crc.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_crc_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_spi.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_spi_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_tim.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_tim_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_uart.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_uart_ex.c;Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_core.c;Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_ctlreq.c;Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_ioreq.c;Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc.c;Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_bot.c;Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_data.c;Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_scsi.c;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_pcd.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_pcd_ex.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_usb.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_rcc.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_rcc_ex.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_bus.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_rcc.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_crs.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_system.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_utils.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_flash.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_flash_ex.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_gpio.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_gpio_ex.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_gpio.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_hsem.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_hsem.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_dma.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_dma_ex.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_dma.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_dmamux.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_mdma.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_pwr.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_pwr_ex.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_pwr.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_cortex.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_cortex.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_def.h;Drivers/STM32H7xx_HAL_Driver/Inc/Legacy/stm32_hal_legacy.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_i2c.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_i2c_ex.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_exti.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_exti.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_crc.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_crc_ex.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_crc.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_i2c.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_spi.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_spi.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_spi_ex.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_tim.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_tim_ex.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_tim.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_uart.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_usart.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_ll_lpuart.h;Drivers/STM32H7xx_HAL_Driver/Inc/stm32h7xx_hal_uart_ex.h;Middlewares/ST/STM32_USB_Device_Library/Core/Inc/usbd_core.h;Middlewares/ST/STM32_USB_Device_Library/Core/Inc/usbd_ctlreq.h;Middlewares/ST/STM32_USB_Device_Library/Core/Inc/usbd_def.h;Middlewares/ST/STM32_USB_Device_Library/Core/Inc/usbd_ioreq.h;Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Inc/usbd_msc.h;Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Inc/usbd_msc_bot.h;Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Inc/usbd_msc_data.h;Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Inc/usbd_msc_scsi.h;Drivers/CMSIS/Device/ST/STM32H7xx/Include/stm32h743xx.h;Drivers/CMSIS/Device/ST/STM32H7xx/Include/stm32h7xx.h;Drivers/CMSIS/Device/ST/STM32H7xx/Include/system_stm32h7xx.h;Drivers/CMSIS/Device/ST/STM32H7xx/Include/system_stm32h7xx.h;Drivers/CMSIS/Device/ST/STM32H7xx/Source/Templates/system_stm32h7xx.c;Drivers/CMSIS/Include/core_armv81mml.h;Drivers/CMSIS/Include/mpu_armv8.h;Drivers/CMSIS/Include/core_cm23.h;Drivers/CMSIS/Include/core_cm1.h;Drivers/CMSIS/Include/core_cm0.h;Drivers/CMSIS/Include/core_cm33.h;Drivers/CMSIS/Include/cmsis_gcc.h;Drivers/CMSIS/Include/cmsis_armclang.h;Drivers/CMSIS/Include/core_armv8mbl.h;Drivers/CMSIS/Include/cmsis_compiler.h;Drivers/CMSIS/Include/core_cm4.h;Drivers/CMSIS/Include/cmsis_iccarm.h;Drivers/CMSIS/Include/core_cm7.h;Drivers/CMSIS/Include/core_sc300.h;Drivers/CMSIS/Include/core_armv8mml.h;Drivers/CMSIS/Include/core_cm35p.h;Drivers/CMSIS/Include/cmsis_armclang_ltm.h;Drivers/CMSIS/Include/core_sc000.h;Drivers/CMSIS/Include/core_cm3.h;Drivers/CMSIS/Include/cmsis_armcc.h;Drivers/CMSIS/Include/core_cm0plus.h;Drivers/CMSIS/Include/tz_context.h;Drivers/CMSIS/Include/mpu_armv7.h;Drivers/CMSIS/Include/cmsis_version.h; [PreviousUsedCubeIDEFiles] -SourceFiles=Core\Src\main.c;Core\Src\stm32h7xx_it.c;Core\Src\stm32h7xx_hal_msp.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_cortex.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_crc.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_crc_ex.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_rcc.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_rcc_ex.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_flash.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_flash_ex.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_gpio.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_hsem.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_dma.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_dma_ex.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_mdma.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_pwr.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_pwr_ex.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_i2c.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_i2c_ex.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_exti.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_spi.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_spi_ex.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_tim.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_tim_ex.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_uart.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_uart_ex.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_pcd.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_pcd_ex.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_ll_usb.c;Drivers\CMSIS\Device\ST\STM32H7xx\Source\Templates\system_stm32h7xx.c;Core\Src\system_stm32h7xx.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_cortex.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_crc.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_crc_ex.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_rcc.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_rcc_ex.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_flash.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_flash_ex.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_gpio.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_hsem.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_dma.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_dma_ex.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_mdma.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_pwr.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_pwr_ex.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_i2c.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_i2c_ex.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_exti.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_spi.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_spi_ex.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_tim.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_tim_ex.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_uart.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_uart_ex.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_pcd.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_hal_pcd_ex.c;Drivers\STM32H7xx_HAL_Driver\Src\stm32h7xx_ll_usb.c;Drivers\CMSIS\Device\ST\STM32H7xx\Source\Templates\system_stm32h7xx.c;Core\Src\system_stm32h7xx.c;;; -HeaderPath=Drivers\STM32H7xx_HAL_Driver\Inc;Drivers\STM32H7xx_HAL_Driver\Inc\Legacy;Drivers\CMSIS\Device\ST\STM32H7xx\Include;Drivers\CMSIS\Include;Core\Inc; +SourceFiles=Core/Src/main.c;USB_DEVICE/App/usb_device.c;USB_DEVICE/Target/usbd_conf.c;USB_DEVICE/App/usbd_desc.c;USB_DEVICE/App/usbd_storage_if.c;Core/Src/stm32h7xx_it.c;Core/Src/stm32h7xx_hal_msp.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_pcd.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_pcd_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_ll_usb.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_rcc.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_rcc_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_flash.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_flash_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_gpio.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_hsem.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_dma.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_dma_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_mdma.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_pwr.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_pwr_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_cortex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_i2c.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_i2c_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_exti.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_crc.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_crc_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_spi.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_spi_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_tim.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_tim_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_uart.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_uart_ex.c;Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_core.c;Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_ctlreq.c;Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_ioreq.c;Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc.c;Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_bot.c;Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_data.c;Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_scsi.c;Drivers/CMSIS/Device/ST/STM32H7xx/Source/Templates/system_stm32h7xx.c;Core/Src/system_stm32h7xx.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_pcd.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_pcd_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_ll_usb.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_rcc.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_rcc_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_flash.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_flash_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_gpio.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_hsem.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_dma.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_dma_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_mdma.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_pwr.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_pwr_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_cortex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_i2c.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_i2c_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_exti.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_crc.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_crc_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_spi.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_spi_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_tim.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_tim_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_uart.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_uart_ex.c;Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_core.c;Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_ctlreq.c;Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_ioreq.c;Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc.c;Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_bot.c;Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_data.c;Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_scsi.c;Drivers/CMSIS/Device/ST/STM32H7xx/Source/Templates/system_stm32h7xx.c;Core/Src/system_stm32h7xx.c;;;Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_core.c;Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_ctlreq.c;Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_ioreq.c;Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc.c;Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_bot.c;Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_data.c;Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_scsi.c; +HeaderPath=Drivers/STM32H7xx_HAL_Driver/Inc;Drivers/STM32H7xx_HAL_Driver/Inc/Legacy;Middlewares/ST/STM32_USB_Device_Library/Core/Inc;Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Inc;Drivers/CMSIS/Device/ST/STM32H7xx/Include;Drivers/CMSIS/Include;USB_DEVICE/App;USB_DEVICE/Target;Core/Inc; CDefines=USE_PWR_LDO_SUPPLY;USE_PWR_LDO_SUPPLY;USE_HAL_DRIVER;STM32H743xx;USE_HAL_DRIVER;USE_HAL_DRIVER; [PreviousUsedMakefileFiles] diff --git a/Ganesha_II_V2/Core/Src/main.c b/Ganesha_II_V2/Core/Src/main.c index 7e23b6d..3c6ced0 100644 --- a/Ganesha_II_V2/Core/Src/main.c +++ b/Ganesha_II_V2/Core/Src/main.c @@ -713,7 +713,7 @@ static void MX_TIM1_Init(void) /* USER CODE END TIM1_Init 1 */ htim1.Instance = TIM1; - htim1.Init.Prescaler = 65535; + htim1.Init.Prescaler = 18310-1; htim1.Init.CounterMode = TIM_COUNTERMODE_UP; htim1.Init.Period = 65535; htim1.Init.ClockDivision = TIM_CLOCKDIVISION_DIV2; @@ -923,7 +923,7 @@ static void MX_GPIO_Init(void) __HAL_RCC_GPIOD_CLK_ENABLE(); /*Configure GPIO pin Output Level */ - HAL_GPIO_WritePin(FLASH_CS_GPIO_Port, FLASH_CS_Pin, GPIO_PIN_SET); + HAL_GPIO_WritePin(GPIOE, FLASH_CS_Pin|GPIO_PIN_7|GPIO_PIN_8, GPIO_PIN_RESET); /*Configure GPIO pin Output Level */ HAL_GPIO_WritePin(GPIOA, GYR_CS_Pin|ACC_CS_Pin|MAG_CS_Pin, GPIO_PIN_RESET); @@ -931,18 +931,15 @@ static void MX_GPIO_Init(void) /*Configure GPIO pin Output Level */ HAL_GPIO_WritePin(GPIOB, GPIO_PIN_1|GPIO_PIN_2|PYRO1_FIRE_Pin|LED_Pin, GPIO_PIN_RESET); - /*Configure GPIO pin Output Level */ - HAL_GPIO_WritePin(GPIOE, GPIO_PIN_7|GPIO_PIN_8, GPIO_PIN_RESET); - /*Configure GPIO pin Output Level */ HAL_GPIO_WritePin(GPIOD, CAM_FIRE_Pin|PYRO0_FIRE_Pin, GPIO_PIN_RESET); - /*Configure GPIO pin : FLASH_CS_Pin */ - GPIO_InitStruct.Pin = FLASH_CS_Pin; + /*Configure GPIO pins : FLASH_CS_Pin PE7 PE8 */ + GPIO_InitStruct.Pin = FLASH_CS_Pin|GPIO_PIN_7|GPIO_PIN_8; GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP; GPIO_InitStruct.Pull = GPIO_NOPULL; - GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH; - HAL_GPIO_Init(FLASH_CS_GPIO_Port, &GPIO_InitStruct); + GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW; + HAL_GPIO_Init(GPIOE, &GPIO_InitStruct); /*Configure GPIO pins : GYR_INT_Pin ACC_INT_Pin */ GPIO_InitStruct.Pin = GYR_INT_Pin|ACC_INT_Pin; @@ -970,13 +967,6 @@ static void MX_GPIO_Init(void) GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW; HAL_GPIO_Init(GPIOB, &GPIO_InitStruct); - /*Configure GPIO pins : PE7 PE8 */ - GPIO_InitStruct.Pin = GPIO_PIN_7|GPIO_PIN_8; - GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP; - GPIO_InitStruct.Pull = GPIO_NOPULL; - GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW; - HAL_GPIO_Init(GPIOE, &GPIO_InitStruct); - /*Configure GPIO pin : Btn_Interrupt_Pin */ GPIO_InitStruct.Pin = Btn_Interrupt_Pin; GPIO_InitStruct.Mode = GPIO_MODE_IT_RISING; diff --git a/Ganesha_II_V2/Ganesha_II_V2.ioc b/Ganesha_II_V2/Ganesha_II_V2.ioc index 05f4f94..f8f93b9 100644 --- a/Ganesha_II_V2/Ganesha_II_V2.ioc +++ b/Ganesha_II_V2/Ganesha_II_V2.ioc @@ -29,6 +29,7 @@ I2C2.Timing=0x00707CBB KeepUserPlacement=false MMTAppRegionsCount=0 MMTConfigApplied=false +MMTSectionSuffix=_Section Mcu.CPN=STM32H743VIT6 Mcu.Family=STM32H7 Mcu.IP0=CORTEX_M7 @@ -39,7 +40,8 @@ Mcu.IP12=TIM1 Mcu.IP13=TIM2 Mcu.IP14=UART5 Mcu.IP15=UART8 -Mcu.IP16=USB_OTG_FS +Mcu.IP16=USB_DEVICE +Mcu.IP17=USB_OTG_FS Mcu.IP2=DEBUG Mcu.IP3=DMA Mcu.IP4=I2C2 @@ -48,7 +50,7 @@ Mcu.IP6=NVIC Mcu.IP7=RCC Mcu.IP8=SPI1 Mcu.IP9=SPI2 -Mcu.IPNb=17 +Mcu.IPNb=18 Mcu.Name=STM32H743VITx Mcu.Package=LQFP100 Mcu.Pin0=PE2 @@ -92,15 +94,15 @@ Mcu.Pin42=VP_CRC_VS_CRC Mcu.Pin43=VP_SYS_VS_Systick Mcu.Pin44=VP_TIM1_VS_ClockSourceINT Mcu.Pin45=VP_TIM2_VS_ClockSourceINT -Mcu.Pin46=VP_MEMORYMAP_VS_MEMORYMAP +Mcu.Pin46=VP_USB_DEVICE_VS_USB_DEVICE_MSC_FS +Mcu.Pin47=VP_MEMORYMAP_VS_MEMORYMAP Mcu.Pin5=PH1-OSC_OUT (PH1) Mcu.Pin6=PC1 Mcu.Pin7=PC2_C Mcu.Pin8=PA0 Mcu.Pin9=PA1 -Mcu.PinsNb=47 -Mcu.ThirdParty0=STMicroelectronics.X-CUBE-ALGOBUILD.1.4.0 -Mcu.ThirdPartyNb=1 +Mcu.PinsNb=48 +Mcu.ThirdPartyNb=0 Mcu.UserConstants= Mcu.UserName=STM32H743VITx MxCube.Version=6.15.0 @@ -115,6 +117,7 @@ NVIC.ForceEnableDMAVector=true NVIC.HardFault_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false NVIC.MemoryManagement_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false NVIC.NonMaskableInt_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false +NVIC.OTG_FS_IRQn=true\:0\:0\:false\:false\:true\:false\:true\:true NVIC.PendSV_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false NVIC.PriorityGroup=NVIC_PRIORITYGROUP_4 NVIC.SVCall_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false @@ -251,6 +254,7 @@ ProjectManager.DeletePrevious=true ProjectManager.DeviceId=STM32H743VITx ProjectManager.FirmwarePackage=STM32Cube FW_H7 V1.12.1 ProjectManager.FreePins=false +ProjectManager.FreePinsContext= ProjectManager.HalAssertFull=false ProjectManager.HeapSize=0x200 ProjectManager.KeepUserCode=true @@ -270,7 +274,7 @@ ProjectManager.ToolChainLocation= ProjectManager.UAScriptAfterPath= ProjectManager.UAScriptBeforePath= ProjectManager.UnderRoot=true -ProjectManager.functionlistsort=1-SystemClock_Config-RCC-false-HAL-false,2-MX_GPIO_Init-GPIO-false-HAL-true,3-MX_DMA_Init-DMA-false-HAL-true,4-MX_I2C2_Init-I2C2-false-HAL-true,5-MX_SPI1_Init-SPI1-false-HAL-true,6-MX_SPI4_Init-SPI4-false-HAL-true,7-MX_UART5_Init-UART5-false-HAL-true,8-MX_UART8_Init-UART8-false-HAL-true,9-MX_USB_OTG_FS_PCD_Init-USB_OTG_FS-false-HAL-true,10-MX_SPI2_Init-SPI2-false-HAL-true,11-MX_TIM1_Init-TIM1-false-HAL-true,12-MX_CRC_Init-CRC-false-HAL-true,13-MX_TIM2_Init-TIM2-false-HAL-true,0-MX_CORTEX_M7_Init-CORTEX_M7-false-HAL-true +ProjectManager.functionlistsort=1-SystemClock_Config-RCC-false-HAL-false,2-MX_GPIO_Init-GPIO-false-HAL-true,3-MX_DMA_Init-DMA-false-HAL-true,4-MX_I2C2_Init-I2C2-false-HAL-true,5-MX_SPI1_Init-SPI1-false-HAL-true,6-MX_SPI4_Init-SPI4-false-HAL-true,7-MX_UART5_Init-UART5-false-HAL-true,8-MX_UART8_Init-UART8-false-HAL-true,9-MX_USB_OTG_FS_PCD_Init-USB_OTG_FS-false-HAL-true,9-MX_SPI2_Init-SPI2-false-HAL-true,10-MX_TIM1_Init-TIM1-false-HAL-true,11-MX_CRC_Init-CRC-false-HAL-true,12-MX_TIM2_Init-TIM2-false-HAL-true,0-MX_CORTEX_M7_Init-CORTEX_M7-false-HAL-true RCC.ADCFreq_Value=50390625 RCC.AHB12Freq_Value=64000000 RCC.AHB4Freq_Value=64000000 @@ -367,13 +371,13 @@ SPI2.Direction=SPI_DIRECTION_2LINES SPI2.IPParameters=VirtualType,Mode,Direction,CalculateBaudRate,DataSize,BaudRatePrescaler SPI2.Mode=SPI_MODE_MASTER SPI2.VirtualType=VM_MASTER -SPI4.CalculateBaudRate=2.0 MBits/s +SPI4.BaudRatePrescaler=SPI_BAUDRATEPRESCALER_16 +SPI4.CalculateBaudRate=250.0 KBits/s +SPI4.DataSize=SPI_DATASIZE_8BIT SPI4.Direction=SPI_DIRECTION_2LINES -SPI4.IPParameters=VirtualType,Mode,Direction,CalculateBaudRate +SPI4.IPParameters=VirtualType,Mode,Direction,CalculateBaudRate,DataSize,BaudRatePrescaler SPI4.Mode=SPI_MODE_MASTER SPI4.VirtualType=VM_MASTER -STMicroelectronics.X-CUBE-ALGOBUILD.1.4.0.DSPOoLibraryJjLibrary_Checked=false -STMicroelectronics.X-CUBE-ALGOBUILD.1.4.0_SwParameter=LibraryCcDSPOoLibraryJjDSPOoLibrary\:true; TIM1.ClockDivision=TIM_CLOCKDIVISION_DIV2 TIM1.IPParameters=Period,Prescaler,ClockDivision TIM1.Period=65535 @@ -386,6 +390,12 @@ UART5.Parity=PARITY_NONE UART5.WordLength=WORDLENGTH_8B UART8.BaudRate=9600 UART8.IPParameters=BaudRate +USB_DEVICE.CLASS_NAME_FS=MSC +USB_DEVICE.IPParameters=VirtualMode-MSC_FS,VirtualModeFS,CLASS_NAME_FS,USBD_MAX_STR_DESC_SIZ-MSC_FS,MSC_MEDIA_PACKET-MSC_FS +USB_DEVICE.MSC_MEDIA_PACKET-MSC_FS=4096 +USB_DEVICE.USBD_MAX_STR_DESC_SIZ-MSC_FS=4096 +USB_DEVICE.VirtualMode-MSC_FS=Msc +USB_DEVICE.VirtualModeFS=Msc_FS USB_OTG_FS.IPParameters=VirtualMode USB_OTG_FS.VirtualMode=Device_Only VP_CRC_VS_CRC.Mode=CRC_Activate @@ -398,5 +408,6 @@ VP_TIM1_VS_ClockSourceINT.Mode=Internal VP_TIM1_VS_ClockSourceINT.Signal=TIM1_VS_ClockSourceINT VP_TIM2_VS_ClockSourceINT.Mode=Internal VP_TIM2_VS_ClockSourceINT.Signal=TIM2_VS_ClockSourceINT +VP_USB_DEVICE_VS_USB_DEVICE_MSC_FS.Mode=MSC_FS +VP_USB_DEVICE_VS_USB_DEVICE_MSC_FS.Signal=USB_DEVICE_VS_USB_DEVICE_MSC_FS board=custom -isbadioc=false diff --git a/Ganesha_II_V2/USB_DEVICE/Target/usbd_conf.h b/Ganesha_II_V2/USB_DEVICE/Target/usbd_conf.h index e764373..5b61392 100644 --- a/Ganesha_II_V2/USB_DEVICE/Target/usbd_conf.h +++ b/Ganesha_II_V2/USB_DEVICE/Target/usbd_conf.h @@ -67,7 +67,7 @@ /*---------- -----------*/ #define USBD_MAX_NUM_CONFIGURATION 1U /*---------- -----------*/ -#define USBD_MAX_STR_DESC_SIZ 2048U +#define USBD_MAX_STR_DESC_SIZ 4096U /*---------- -----------*/ #define USBD_DEBUG_LEVEL 0U /*---------- -----------*/ @@ -75,7 +75,7 @@ /*---------- -----------*/ #define USBD_SELF_POWERED 1U /*---------- -----------*/ -#define MSC_MEDIA_PACKET 2048U +#define MSC_MEDIA_PACKET 4096U /****************************************/ /* #define for FS and HS identification */ From ef861540cc504150f0afd0b1794235c9d3eef9b4 Mon Sep 17 00:00:00 2001 From: wispl Date: Mon, 18 May 2026 14:38:09 -0400 Subject: [PATCH 07/12] fixup: fix makefile and imports --- Ganesha_II_V2/Core/Src/main.c | 1 - Ganesha_II_V2/Makefile | 2 ++ 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/Ganesha_II_V2/Core/Src/main.c b/Ganesha_II_V2/Core/Src/main.c index 3c6ced0..b05f762 100644 --- a/Ganesha_II_V2/Core/Src/main.c +++ b/Ganesha_II_V2/Core/Src/main.c @@ -44,7 +44,6 @@ #include "us_timer.h" #include "lfs.h" -#include "lfs_port.h" #include "lfs_util.h" /* USER CODE END Includes */ diff --git a/Ganesha_II_V2/Makefile b/Ganesha_II_V2/Makefile index 834360b..fa245ce 100644 --- a/Ganesha_II_V2/Makefile +++ b/Ganesha_II_V2/Makefile @@ -49,6 +49,8 @@ Core/Src/bmi08xa.c \ Core/Src/bmi088.c \ Core/Src/bmp5.c \ Core/Src/bmp581.c \ +Core/Src/dumb_timer.c \ +Core/Src/us_timer.c \ Core/Src/stm32h7xx_it.c \ Core/Src/stm32h7xx_hal_msp.c \ Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_cortex.c \ From 20c1d6467ca89dead8bc142a9ced463604a2c887 Mon Sep 17 00:00:00 2001 From: wispl Date: Sun, 24 May 2026 19:28:54 -0400 Subject: [PATCH 08/12] fixup: add delays back and small tweaks --- Ganesha_II_V2/Core/Src/flash/gd5f1gq5xe.c | 4 ++-- Ganesha_II_V2/Ganesha_II_V2.ioc | 2 +- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/Ganesha_II_V2/Core/Src/flash/gd5f1gq5xe.c b/Ganesha_II_V2/Core/Src/flash/gd5f1gq5xe.c index 2b63b45..0b08b3c 100644 --- a/Ganesha_II_V2/Core/Src/flash/gd5f1gq5xe.c +++ b/Ganesha_II_V2/Core/Src/flash/gd5f1gq5xe.c @@ -52,7 +52,7 @@ int gd5f1gq5xe_read(const uint32_t page, const uint16_t col, void *buffer, const return 1; } chip_deselect(); - /* HAL_Delay(1); */ + HAL_Delay(2); // Read data from cache requires the op code followed by four dummy bits // (0) and then a 11 bit address. It also needs dummy bytes after. @@ -112,7 +112,7 @@ int gd5f1gq5xe_write(const uint32_t page, const uint16_t col, const void *buffer } chip_deselect(); - HAL_Delay(1); + HAL_Delay(2); return 0; } diff --git a/Ganesha_II_V2/Ganesha_II_V2.ioc b/Ganesha_II_V2/Ganesha_II_V2.ioc index f8f93b9..36d4b6a 100644 --- a/Ganesha_II_V2/Ganesha_II_V2.ioc +++ b/Ganesha_II_V2/Ganesha_II_V2.ioc @@ -274,7 +274,7 @@ ProjectManager.ToolChainLocation= ProjectManager.UAScriptAfterPath= ProjectManager.UAScriptBeforePath= ProjectManager.UnderRoot=true -ProjectManager.functionlistsort=1-SystemClock_Config-RCC-false-HAL-false,2-MX_GPIO_Init-GPIO-false-HAL-true,3-MX_DMA_Init-DMA-false-HAL-true,4-MX_I2C2_Init-I2C2-false-HAL-true,5-MX_SPI1_Init-SPI1-false-HAL-true,6-MX_SPI4_Init-SPI4-false-HAL-true,7-MX_UART5_Init-UART5-false-HAL-true,8-MX_UART8_Init-UART8-false-HAL-true,9-MX_USB_OTG_FS_PCD_Init-USB_OTG_FS-false-HAL-true,9-MX_SPI2_Init-SPI2-false-HAL-true,10-MX_TIM1_Init-TIM1-false-HAL-true,11-MX_CRC_Init-CRC-false-HAL-true,12-MX_TIM2_Init-TIM2-false-HAL-true,0-MX_CORTEX_M7_Init-CORTEX_M7-false-HAL-true +ProjectManager.functionlistsort=1-SystemClock_Config-RCC-false-HAL-false,2-MX_GPIO_Init-GPIO-false-HAL-true,3-MX_DMA_Init-DMA-false-HAL-true,4-MX_I2C2_Init-I2C2-false-HAL-true,5-MX_SPI1_Init-SPI1-false-HAL-true,6-MX_SPI4_Init-SPI4-false-HAL-true,7-MX_UART5_Init-UART5-false-HAL-true,8-MX_UART8_Init-UART8-false-HAL-true,9-MX_SPI2_Init-SPI2-false-HAL-true,10-MX_TIM1_Init-TIM1-false-HAL-true,11-MX_CRC_Init-CRC-false-HAL-true,12-MX_TIM2_Init-TIM2-false-HAL-true,13-MX_USB_DEVICE_Init-USB_DEVICE-false-HAL-false,0-MX_CORTEX_M7_Init-CORTEX_M7-false-HAL-true RCC.ADCFreq_Value=50390625 RCC.AHB12Freq_Value=64000000 RCC.AHB4Freq_Value=64000000 From e2343b695f89e4777f025ac635c1d9bda7aac99f Mon Sep 17 00:00:00 2001 From: wispl Date: Sun, 24 May 2026 19:44:50 -0400 Subject: [PATCH 09/12] fixup: increase delay for erase, just in case --- Ganesha_II_V2/Core/Src/flash/gd5f1gq5xe.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Ganesha_II_V2/Core/Src/flash/gd5f1gq5xe.c b/Ganesha_II_V2/Core/Src/flash/gd5f1gq5xe.c index 0b08b3c..1709768 100644 --- a/Ganesha_II_V2/Core/Src/flash/gd5f1gq5xe.c +++ b/Ganesha_II_V2/Core/Src/flash/gd5f1gq5xe.c @@ -136,7 +136,7 @@ int gd5f1gq5xe_erase(const uint32_t page) } chip_deselect(); - HAL_Delay(1); + HAL_Delay(4); return 0; } From 24427e9742f5f86073d6080b00644a9df14f7f56 Mon Sep 17 00:00:00 2001 From: wispl Date: Thu, 28 May 2026 20:11:02 -0400 Subject: [PATCH 10/12] feat: use cdc for communications and also fix flash corruption bugs --- Ganesha_II_V2/.cproject | 12 +- Ganesha_II_V2/.mxproject | 14 +- Ganesha_II_V2/Core/Inc/flash/flash.h | 4 +- Ganesha_II_V2/Core/Inc/flash/gd5f1gq5xe.h | 20 +- Ganesha_II_V2/Core/Inc/main.h | 1 + Ganesha_II_V2/Core/Src/flash/flash.c | 60 +- Ganesha_II_V2/Core/Src/flash/gd5f1gq5xe.c | 220 ++- Ganesha_II_V2/Core/Src/main.c | 96 +- Ganesha_II_V2/Ganesha_II_V2.ioc | 20 +- Ganesha_II_V2/Makefile | 16 +- .../Class/MSC/Inc/usbd_msc.h | 130 -- .../Class/MSC/Inc/usbd_msc_bot.h | 146 -- .../Class/MSC/Inc/usbd_msc_data.h | 102 -- .../Class/MSC/Inc/usbd_msc_scsi.h | 182 --- .../Class/MSC/Src/usbd_msc.c | 579 -------- .../Class/MSC/Src/usbd_msc_bot.c | 478 ------- .../Class/MSC/Src/usbd_msc_data.c | 151 -- .../Class/MSC/Src/usbd_msc_scsi.c | 1218 ----------------- Ganesha_II_V2/USB_DEVICE/App/usb_device.c | 8 +- Ganesha_II_V2/USB_DEVICE/App/usbd_desc.c | 12 +- .../USB_DEVICE/App/usbd_storage_if.c | 299 ---- .../USB_DEVICE/App/usbd_storage_if.h | 128 -- Ganesha_II_V2/USB_DEVICE/Target/usbd_conf.c | 4 +- Ganesha_II_V2/USB_DEVICE/Target/usbd_conf.h | 4 +- 24 files changed, 267 insertions(+), 3637 deletions(-) delete mode 100644 Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Inc/usbd_msc.h delete mode 100644 Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Inc/usbd_msc_bot.h delete mode 100644 Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Inc/usbd_msc_data.h delete mode 100644 Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Inc/usbd_msc_scsi.h delete mode 100644 Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc.c delete mode 100644 Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_bot.c delete mode 100644 Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_data.c delete mode 100644 Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_scsi.c delete mode 100644 Ganesha_II_V2/USB_DEVICE/App/usbd_storage_if.c delete mode 100644 Ganesha_II_V2/USB_DEVICE/App/usbd_storage_if.h diff --git a/Ganesha_II_V2/.cproject b/Ganesha_II_V2/.cproject index 58da499..bb5d8fb 100644 --- a/Ganesha_II_V2/.cproject +++ b/Ganesha_II_V2/.cproject @@ -23,7 +23,7 @@ @@ -74,7 +74,7 @@ - + @@ -128,7 +128,7 @@ @@ -174,7 +174,7 @@ - + diff --git a/Ganesha_II_V2/.mxproject b/Ganesha_II_V2/.mxproject index 04bf3a0..dabe201 100644 --- a/Ganesha_II_V2/.mxproject +++ b/Ganesha_II_V2/.mxproject @@ -1,14 +1,14 @@ [PreviousLibFiles] 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[PreviousUsedCubeIDEFiles] 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+SourceFiles=Core/Src/main.c;USB_DEVICE/App/usb_device.c;USB_DEVICE/Target/usbd_conf.c;USB_DEVICE/App/usbd_desc.c;USB_DEVICE/App/usbd_cdc_if.c;Core/Src/stm32h7xx_it.c;Core/Src/stm32h7xx_hal_msp.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_pcd.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_pcd_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_ll_usb.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_rcc.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_rcc_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_flash.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_flash_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_gpio.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_hsem.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_dma.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_dma_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_mdma.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_pwr.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_pwr_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_cortex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_i2c.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_i2c_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_exti.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_crc.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_crc_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_spi.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_spi_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_tim.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_tim_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_uart.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_uart_ex.c;Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_core.c;Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_ctlreq.c;Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_ioreq.c;Middlewares/ST/STM32_USB_Device_Library/Class/CDC/Src/usbd_cdc.c;Drivers/CMSIS/Device/ST/STM32H7xx/Source/Templates/system_stm32h7xx.c;Core/Src/system_stm32h7xx.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_pcd.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_pcd_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_ll_usb.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_rcc.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_rcc_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_flash.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_flash_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_gpio.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_hsem.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_dma.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_dma_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_mdma.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_pwr.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_pwr_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_cortex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_i2c.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_i2c_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_exti.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_crc.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_crc_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_spi.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_spi_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_tim.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_tim_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_uart.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_uart_ex.c;Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_core.c;Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_ctlreq.c;Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_ioreq.c;Middlewares/ST/STM32_USB_Device_Library/Class/CDC/Src/usbd_cdc.c;Drivers/CMSIS/Device/ST/STM32H7xx/Source/Templates/system_stm32h7xx.c;Core/Src/system_stm32h7xx.c;;;Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_core.c;Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_ctlreq.c;Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_ioreq.c;Middlewares/ST/STM32_USB_Device_Library/Class/CDC/Src/usbd_cdc.c; +HeaderPath=Drivers/STM32H7xx_HAL_Driver/Inc;Drivers/STM32H7xx_HAL_Driver/Inc/Legacy;Middlewares/ST/STM32_USB_Device_Library/Core/Inc;Middlewares/ST/STM32_USB_Device_Library/Class/CDC/Inc;Drivers/CMSIS/Device/ST/STM32H7xx/Include;Drivers/CMSIS/Include;USB_DEVICE/App;USB_DEVICE/Target;Core/Inc; CDefines=USE_PWR_LDO_SUPPLY;USE_PWR_LDO_SUPPLY;USE_HAL_DRIVER;STM32H743xx;USE_HAL_DRIVER;USE_HAL_DRIVER; [PreviousUsedMakefileFiles] -SourceFiles=Core/Src/main.c;USB_DEVICE/App/usb_device.c;USB_DEVICE/Target/usbd_conf.c;USB_DEVICE/App/usbd_desc.c;USB_DEVICE/App/usbd_storage_if.c;Core/Src/stm32h7xx_it.c;Core/Src/stm32h7xx_hal_msp.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_pcd.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_pcd_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_ll_usb.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_rcc.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_rcc_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_flash.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_flash_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_gpio.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_hsem.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_dma.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_dma_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_mdma.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_pwr.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_pwr_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_cortex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_i2c.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_i2c_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_exti.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_crc.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_crc_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_spi.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_spi_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_tim.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_tim_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_uart.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_uart_ex.c;Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_core.c;Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_ctlreq.c;Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_ioreq.c;Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc.c;Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_bot.c;Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_data.c;Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_scsi.c;Drivers/CMSIS/Device/ST/STM32H7xx/Source/Templates/system_stm32h7xx.c;Core/Src/system_stm32h7xx.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_pcd.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_pcd_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_ll_usb.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_rcc.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_rcc_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_flash.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_flash_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_gpio.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_hsem.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_dma.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_dma_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_mdma.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_pwr.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_pwr_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_cortex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_i2c.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_i2c_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_exti.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_crc.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_crc_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_spi.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_spi_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_tim.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_tim_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_uart.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_uart_ex.c;Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_core.c;Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_ctlreq.c;Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_ioreq.c;Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc.c;Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_bot.c;Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_data.c;Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_scsi.c;Drivers/CMSIS/Device/ST/STM32H7xx/Source/Templates/system_stm32h7xx.c;Core/Src/system_stm32h7xx.c;;;Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_core.c;Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_ctlreq.c;Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_ioreq.c;Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc.c;Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_bot.c;Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_data.c;Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_scsi.c; -HeaderPath=Drivers/STM32H7xx_HAL_Driver/Inc;Drivers/STM32H7xx_HAL_Driver/Inc/Legacy;Middlewares/ST/STM32_USB_Device_Library/Core/Inc;Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Inc;Drivers/CMSIS/Device/ST/STM32H7xx/Include;Drivers/CMSIS/Include;USB_DEVICE/App;USB_DEVICE/Target;Core/Inc; +SourceFiles=Core/Src/main.c;USB_DEVICE/App/usb_device.c;USB_DEVICE/Target/usbd_conf.c;USB_DEVICE/App/usbd_desc.c;USB_DEVICE/App/usbd_cdc_if.c;Core/Src/stm32h7xx_it.c;Core/Src/stm32h7xx_hal_msp.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_pcd.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_pcd_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_ll_usb.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_rcc.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_rcc_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_flash.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_flash_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_gpio.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_hsem.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_dma.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_dma_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_mdma.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_pwr.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_pwr_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_cortex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_i2c.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_i2c_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_exti.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_crc.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_crc_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_spi.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_spi_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_tim.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_tim_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_uart.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_uart_ex.c;Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_core.c;Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_ctlreq.c;Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_ioreq.c;Middlewares/ST/STM32_USB_Device_Library/Class/CDC/Src/usbd_cdc.c;Drivers/CMSIS/Device/ST/STM32H7xx/Source/Templates/system_stm32h7xx.c;Core/Src/system_stm32h7xx.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_pcd.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_pcd_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_ll_usb.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_rcc.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_rcc_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_flash.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_flash_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_gpio.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_hsem.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_dma.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_dma_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_mdma.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_pwr.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_pwr_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_cortex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_i2c.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_i2c_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_exti.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_crc.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_crc_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_spi.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_spi_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_tim.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_tim_ex.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_uart.c;Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_uart_ex.c;Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_core.c;Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_ctlreq.c;Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_ioreq.c;Middlewares/ST/STM32_USB_Device_Library/Class/CDC/Src/usbd_cdc.c;Drivers/CMSIS/Device/ST/STM32H7xx/Source/Templates/system_stm32h7xx.c;Core/Src/system_stm32h7xx.c;;;Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_core.c;Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_ctlreq.c;Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_ioreq.c;Middlewares/ST/STM32_USB_Device_Library/Class/CDC/Src/usbd_cdc.c; +HeaderPath=Drivers/STM32H7xx_HAL_Driver/Inc;Drivers/STM32H7xx_HAL_Driver/Inc/Legacy;Middlewares/ST/STM32_USB_Device_Library/Core/Inc;Middlewares/ST/STM32_USB_Device_Library/Class/CDC/Inc;Drivers/CMSIS/Device/ST/STM32H7xx/Include;Drivers/CMSIS/Include;USB_DEVICE/App;USB_DEVICE/Target;Core/Inc; CDefines=USE_PWR_LDO_SUPPLY;USE_PWR_LDO_SUPPLY;USE_HAL_DRIVER;STM32H743xx;USE_HAL_DRIVER;USE_HAL_DRIVER; [PreviousGenFiles] @@ -17,7 +17,7 @@ HeaderFileListSize=7 HeaderFiles#0=../USB_DEVICE/App/usb_device.h HeaderFiles#1=../USB_DEVICE/Target/usbd_conf.h HeaderFiles#2=../USB_DEVICE/App/usbd_desc.h -HeaderFiles#3=../USB_DEVICE/App/usbd_storage_if.h +HeaderFiles#3=../USB_DEVICE/App/usbd_cdc_if.h HeaderFiles#4=../Core/Inc/stm32h7xx_it.h HeaderFiles#5=../Core/Inc/stm32h7xx_hal_conf.h HeaderFiles#6=../Core/Inc/main.h @@ -30,7 +30,7 @@ SourceFileListSize=7 SourceFiles#0=../USB_DEVICE/App/usb_device.c SourceFiles#1=../USB_DEVICE/Target/usbd_conf.c SourceFiles#2=../USB_DEVICE/App/usbd_desc.c -SourceFiles#3=../USB_DEVICE/App/usbd_storage_if.c +SourceFiles#3=../USB_DEVICE/App/usbd_cdc_if.c SourceFiles#4=../Core/Src/stm32h7xx_it.c SourceFiles#5=../Core/Src/stm32h7xx_hal_msp.c SourceFiles#6=../Core/Src/main.c diff --git a/Ganesha_II_V2/Core/Inc/flash/flash.h b/Ganesha_II_V2/Core/Inc/flash/flash.h index 7d82c08..c132130 100644 --- a/Ganesha_II_V2/Core/Inc/flash/flash.h +++ b/Ganesha_II_V2/Core/Inc/flash/flash.h @@ -17,10 +17,10 @@ struct flash_dev { }; void flash_init(struct flash_dev *dev, enum flash_name name); -int flash_mount(struct flash_dev *flash, const struct lfs_config *config); +lfs_ssize_t flash_mount(struct flash_dev *flash, const struct lfs_config *config); int flash_unmount(struct flash_dev *flash); uint32_t flash_boot_count(struct flash_dev *flash, bool update); -bool flash_open(struct flash_dev *flash, lfs_file_t *file, const char *filename); +uint32_t flash_open(struct flash_dev *flash, lfs_file_t *file, const char *filename); bool flash_append(struct flash_dev *flash, lfs_file_t *file, const uint8_t *bytes, const size_t size); int flash_close(struct flash_dev *flash, lfs_file_t *file); diff --git a/Ganesha_II_V2/Core/Inc/flash/gd5f1gq5xe.h b/Ganesha_II_V2/Core/Inc/flash/gd5f1gq5xe.h index b1bfdbb..19238a8 100644 --- a/Ganesha_II_V2/Core/Inc/flash/gd5f1gq5xe.h +++ b/Ganesha_II_V2/Core/Inc/flash/gd5f1gq5xe.h @@ -4,25 +4,15 @@ #include #include -#define GD5F_SET_FEATURE 0x1F -#define GD5F_WRITE_ENABLE 0x06 -#define GD5F_WRITE_DISABLE 0x04 -#define GD5F_READ_TO_CACHE 0x13 -#define GD5F_READ_FROM_CACHE 0x03 -#define GD5F_PROGRAM_LOAD 0x02 -#define GD5F_PROGRAM_EXECUTE 0x10 -#define GD5F_ERASE 0xD8 -#define GD5F_READ_ID 0x9F - +// Flash Sizes #define GD5F_BLOCK_COUNT 1024 #define GD5F_PAGES_PER_BLOCK 64 #define GD5F_PAGE_SIZE 2048 #define GD5F_BLOCK_SIZE GD5F_PAGES_PER_BLOCK * GD5F_PAGE_SIZE - -int gd5f1gq5xe_read(const uint32_t page, const uint16_t col, void *buffer, const size_t size); -int gd5f1gq5xe_write(const uint32_t page, const uint16_t col, const void *buffer, const size_t size); -int gd5f1gq5xe_erase(const uint32_t page); -int gd5f1gq5xe_unlock(); +bool gd5f1gq5xe_read(uint32_t block, uint32_t offset, void *buffer, uint32_t size); +bool gd5f1gq5xe_write(uint32_t block, uint32_t offset, void *buffer, uint32_t size); +bool gd5f1gq5xe_erase(uint32_t block); +bool gd5f1gq5xe_unlock(); #endif diff --git a/Ganesha_II_V2/Core/Inc/main.h b/Ganesha_II_V2/Core/Inc/main.h index e0cd6e4..33312c8 100644 --- a/Ganesha_II_V2/Core/Inc/main.h +++ b/Ganesha_II_V2/Core/Inc/main.h @@ -53,6 +53,7 @@ extern TIM_HandleTypeDef htim2; void Error_Handler(void); /* USER CODE BEGIN EFP */ +void handle_usb_cdc(uint8_t* buf, uint32_t len); /* USER CODE END EFP */ diff --git a/Ganesha_II_V2/Core/Src/flash/flash.c b/Ganesha_II_V2/Core/Src/flash/flash.c index 401164c..573d1d4 100644 --- a/Ganesha_II_V2/Core/Src/flash/flash.c +++ b/Ganesha_II_V2/Core/Src/flash/flash.c @@ -8,66 +8,22 @@ #include -// Wrappers for w25n01kv -static int w25n01kv_lfs_read(const struct lfs_config *c, lfs_block_t block, lfs_off_t offset, - void *location, lfs_size_t size) -{ - uint32_t page = block * W25N_PAGES_PER_BLOCK + (offset / W25N_PAGE_SIZE); - uint16_t col = offset % W25N_PAGE_SIZE; - return w25n01kv_read(page, col, location, size); -} - -static int w25n01kv_lfs_prog(const struct lfs_config *c, lfs_block_t block, lfs_off_t offset, - const void *data, lfs_size_t size) -{ - uint32_t page = block * W25N_PAGES_PER_BLOCK + (offset / W25N_PAGE_SIZE); - uint16_t col = offset % W25N_PAGE_SIZE; - return w25n01kv_write(page, col, data, size); -} - -static int w25n01kv_lfs_erase(const struct lfs_config *c, lfs_block_t block) { - uint32_t page = block * W25N_PAGES_PER_BLOCK; - return w25n01kv_erase(page); -} - -// Wrappers for gd5f1gq5xe -static int gd5f1gq5xe_lfs_read(const struct lfs_config *c, lfs_block_t block, lfs_off_t offset, - void *location, lfs_size_t size) -{ - uint32_t page = block * GD5F_PAGES_PER_BLOCK + (offset / GD5F_PAGE_SIZE); - uint16_t col = offset % GD5F_PAGE_SIZE; - return gd5f1gq5xe_read(page, col, location, size); -} - -static int gd5f1gq5xe_lfs_prog(const struct lfs_config *c, lfs_block_t block, lfs_off_t offset, - const void *data, lfs_size_t size) -{ - uint32_t page = block * GD5F_PAGES_PER_BLOCK + (offset / GD5F_PAGE_SIZE); - uint16_t col = offset % GD5F_PAGE_SIZE; - return gd5f1gq5xe_write(page, col, data, size); -} - -static int gd5f1gq5xe_lfs_erase(const struct lfs_config *c, lfs_block_t block) { - uint32_t page = block * GD5F_PAGES_PER_BLOCK; - return gd5f1gq5xe_erase(page); -} - void flash_init(struct flash_dev *dev, enum flash_name name) { dev->name = name; } -int flash_mount(struct flash_dev *flash, const struct lfs_config *config) +lfs_ssize_t flash_mount(struct flash_dev *flash, const struct lfs_config *config) { gd5f1gq5xe_unlock(); int err = lfs_mount(&(flash->lfs), config); if (err) { lfs_format(&(flash->lfs), config); - lfs_mount(&(flash->lfs), config); - return flash_boot_count(flash, true); + int res = lfs_mount(&(flash->lfs), config); + if (res < 0) return -1; } flash_boot_count(flash, true); - return err; + return lfs_fs_size(&(flash->lfs)); } int flash_unmount(struct flash_dev *flash) @@ -93,14 +49,10 @@ uint32_t flash_boot_count(struct flash_dev *flash, bool update) return boot_count; } -bool flash_open(struct flash_dev *flash, lfs_file_t *file, const char *filename) +uint32_t flash_open(struct flash_dev *flash, lfs_file_t *file, const char *filename) { - ganesha_II_packet packet = {0}; lfs_file_open(&(flash->lfs), file, filename, LFS_O_RDWR | LFS_O_CREAT | LFS_O_APPEND); - // Do a test read to make sure the file exists and is properly readable - lfs_file_seek(&(flash->lfs), file, 0, LFS_SEEK_SET); - lfs_ssize_t size = lfs_file_read(&(flash->lfs), file, &packet, sizeof(packet)); - return size == sizeof(packet); + return lfs_file_size(&(flash->lfs), file); } bool flash_append(struct flash_dev *flash, lfs_file_t *file, const uint8_t *bytes, const size_t size) diff --git a/Ganesha_II_V2/Core/Src/flash/gd5f1gq5xe.c b/Ganesha_II_V2/Core/Src/flash/gd5f1gq5xe.c index 1709768..316105b 100644 --- a/Ganesha_II_V2/Core/Src/flash/gd5f1gq5xe.c +++ b/Ganesha_II_V2/Core/Src/flash/gd5f1gq5xe.c @@ -2,6 +2,36 @@ #include "main.h" +#include + +// Flash Commands +#define GD5F_SET_FEATURE 0x1F +#define GD5F_WRITE_ENABLE 0x06 +#define GD5F_WRITE_DISABLE 0x04 +#define GD5F_READ_TO_CACHE 0x13 +#define GD5F_READ_FROM_CACHE 0x03 +#define GD5F_PROGRAM_LOAD 0x02 +#define GD5F_PROGRAM_EXECUTE 0x10 +#define GD5F_ERASE 0xD8 +#define GD5F_READ_ID 0x9F + +// This is a NAND flash which uses 3-byte addressing, this means we have +// +// | block address | page address | +// | bytes <15-6> | bytes <5-0> | +// +// NAND flashes employ a two step read and progamming process. For reading we +// first fetch the page using the 3-byte addressing to the cache, and then use a +// second command to read from the cache, here we can index the bytes using a +// column address 12 bytes. +// +// For writing, we do the inverse. We populate the cache with bytes using the index. +// After it is filled, we can then write the page to the flash using the 3-byte addressing +// +// Note that this flash has a page size of 2048, so we actually only need 11 bytes for +// the column address. + +// TODO: this should be abstracted away into littlefs's context object extern SPI_HandleTypeDef hspi4; static void chip_select() @@ -36,130 +66,196 @@ static int write_enable() return 0; } -int gd5f1gq5xe_read(const uint32_t page, const uint16_t col, void *buffer, const size_t size) +static bool check_id() { - // Read Page Command requires read op code followed by 24-bit address + chip_select(); + uint8_t cmd[] = { GD5F_READ_ID, 0x00 }; + uint8_t data[] = { 0, 0 }; + if (spi_transmit(cmd, sizeof(cmd)) != 0) { + chip_deselect(); + } + spi_receive(data, sizeof(data)); + chip_deselect(); + // Sometimes the check is not consistent + // Investigate for now + return data[0] == 0xC8 && data[1] == 0x31; + /* assert(data[0] == 0xC8); */ + /* assert(data[1] == 0x31); */ +} + +/// Read a page from the flash into the `buffer`. +/// +/// `block` must be less than the block-count +/// `offset` must be less than than the block-size +/// `size` can be larger than the page-size, but this function will only +/// read up to the page-size boundary +/// +/// Returns the number of bytes read. +static uint32_t gd5f1gq5xe_read_page(const uint32_t block, const uint32_t offset, + void *buffer, uint32_t size) +{ + assert(block < GD5F_BLOCK_COUNT); + assert(offset < GD5F_BLOCK_SIZE); + + // This combines the block and offset to create our 3-byte address + // Notice that `block * GD5F_PAGES_PER_BLOCK` is equivalent to + // `block << 6`, which is why this code here works. + uint32_t addr = block * GD5F_PAGES_PER_BLOCK + (offset / GD5F_PAGE_SIZE); + // We can then use the column addreess to read offsets into the page + uint16_t col = offset % GD5F_PAGE_SIZE; + uint8_t tx1[] = { GD5F_READ_TO_CACHE, - /* 0x00, */ - (page & 0xFF0000) >> 16, - (page & 0x00FF00) >> 8, - (page & 0x0000FF) + (addr & 0xFF0000) >> 16, + (addr & 0x00FF00) >> 8, + (addr & 0x0000FF) }; chip_select(); if (spi_transmit(tx1, sizeof(tx1)) != 0) { chip_deselect(); - return 1; + return 0; } chip_deselect(); - HAL_Delay(2); + HAL_Delay(2); // Required delay for cache read - // Read data from cache requires the op code followed by four dummy bits - // (0) and then a 11 bit address. It also needs dummy bytes after. uint8_t tx2[] = { GD5F_READ_FROM_CACHE, - (col & 0x0F00) >> 8, - (col & 0x00FF), - 0x00 + (col & 0x0F00) >> 8, // first 4 bytes are not needed, + (col & 0x00FF), // remember that we only need 12 bytes + 0x00 // we need a dummy byte (from datasheet) }; chip_select(); if (spi_transmit(tx2, sizeof(tx2)) != 0) { chip_deselect(); - return 1; + return 0; }; - /* HAL_Delay(5); */ - if (spi_receive(buffer, size) != 0) { + uint32_t read_size = size <= GD5F_PAGE_SIZE - col ? size : GD5F_PAGE_SIZE - col; + if (spi_receive(buffer, read_size) != 0) { chip_deselect(); - return 1; + return 0; } chip_deselect(); - return 0; + return read_size; } -int gd5f1gq5xe_write(const uint32_t page, const uint16_t col, const void *buffer, const size_t size) +/// Write a page from the `buffer` into the flash +/// +/// `block` must be less than the block-count +/// `offset` must be less than than the block-size +/// `size` can be larger than the page-size, but this function will only +/// write up to the page-size boundary +/// +/// Returns the number of bytes written. +static uint32_t gd5f1gq5xe_write_page(const uint32_t block, const uint32_t offset, + const void *buffer, const uint32_t size) { - if (write_enable() != 0) { - chip_deselect(); - return 1; - } + assert(block < GD5F_BLOCK_COUNT); + assert(offset < GD5F_BLOCK_SIZE); + + uint32_t addr = block * GD5F_PAGES_PER_BLOCK + (offset / GD5F_PAGE_SIZE); + uint16_t col = offset % GD5F_PAGE_SIZE; uint8_t tx1[] = { GD5F_PROGRAM_LOAD, - (col & 0x0F00) >> 8, - (col & 0x00FF) + (col & 0x0F00) >> 8, // similar to before, the first 4 bytes + (col & 0x00FF) // are not needed, hence the 0x0F00 }; chip_select(); if (spi_transmit(tx1, sizeof(tx1)) != 0) { chip_deselect(); - return 1; + return 0; } - if (spi_transmit(buffer, size) != 0) { + uint32_t write_size = size <= GD5F_PAGE_SIZE - col ? size : GD5F_PAGE_SIZE - col; + if (spi_transmit(buffer, write_size) != 0) { chip_deselect(); - return 1; + return 0; }; chip_deselect(); + if (write_enable() != 0) { + chip_deselect(); + return 0; + } + uint8_t tx2[] = { GD5F_PROGRAM_EXECUTE, - 0x00, - (page & 0x00FF00) >> 8, - (page & 0x0000FF) + (addr & 0xFF0000) >> 16, + (addr & 0x00FF00) >> 8, + (addr & 0x0000FF) }; chip_select(); if (spi_transmit(tx2, sizeof(tx2)) != 0) { chip_deselect(); - return 1; + return 0; } chip_deselect(); - HAL_Delay(2); - return 0; + HAL_Delay(1); + return write_size; +} + +bool gd5f1gq5xe_read(uint32_t block, uint32_t offset, void *buffer, uint32_t size) +{ + uint8_t *buf = (uint8_t *) buffer; + while (size > 0) { + uint32_t s = gd5f1gq5xe_read_page(block, offset, buf, size); + if (s == 0) return false; + size -= s; + offset += s; + buf += s; + } + return true; +} + +bool gd5f1gq5xe_write(uint32_t block, uint32_t offset, void *buffer, uint32_t size) +{ + uint8_t *buf = (uint8_t *) buffer; + while (size > 0) { + uint32_t s = gd5f1gq5xe_write_page(block, offset, buf, size); + if (s == 0) return false; + size -= s; + offset += s; + buf += s; + } + return true; } -int gd5f1gq5xe_erase(const uint32_t page) +bool gd5f1gq5xe_erase(uint32_t block) { + // Erase acts on blocks and not pages, so we should only have the block + // section of the address set and not the page section. + uint32_t addr = block * GD5F_PAGES_PER_BLOCK; + if (write_enable() != 0) { chip_deselect(); - return 1; + return false; } uint8_t tx[] = { GD5F_ERASE, - 0x00, - (page & 0x00FF00) >> 8, - (page & 0x0000FF) + (addr & 0xFF0000) >> 16, + (addr & 0x00FF00) >> 8, + (addr & 0x0000FF) }; chip_select(); if (spi_transmit(tx, sizeof(tx)) != 0) { chip_deselect(); - return 1; + return false; } chip_deselect(); - HAL_Delay(4); - return 0; + HAL_Delay(12); + return true; } -int gd5f1gq5xe_unlock() +bool gd5f1gq5xe_unlock() { + // Needed for some reason, I don't know why + HAL_Delay(5000); + if (!check_id()) return false; if (write_enable() != 0) { chip_deselect(); - return 1; - } - - chip_select(); - uint8_t cmd[] = { GD5F_READ_ID, 0x00 }; - uint8_t data[] = { 0, 0 }; - if (spi_transmit(cmd, sizeof(cmd)) != 0) { - chip_deselect(); - return 1; - } - spi_receive(data, sizeof(data)); - chip_deselect(); - - if (write_enable() != 0) { - chip_deselect(); - return 1; + return false; } uint8_t tx[] = { @@ -170,10 +266,10 @@ int gd5f1gq5xe_unlock() chip_select(); if (spi_transmit(tx, sizeof(tx)) != 0) { chip_deselect(); - return 1; + return false; } chip_deselect(); - HAL_Delay(25); - return 0; + HAL_Delay(5000); + return true; } diff --git a/Ganesha_II_V2/Core/Src/main.c b/Ganesha_II_V2/Core/Src/main.c index b05f762..c2e3f41 100644 --- a/Ganesha_II_V2/Core/Src/main.c +++ b/Ganesha_II_V2/Core/Src/main.c @@ -24,6 +24,7 @@ /* Private includes ----------------------------------------------------------*/ /* USER CODE BEGIN Includes */ +#include "usbd_cdc_if.h" #include "bmi08_defs.h" #include "bmi088.h" #include "CD-PA1616S.h" @@ -87,32 +88,32 @@ DMA_HandleTypeDef hdma_uart8_rx; //uint8_t gps_dma_buffer[BUFFER_SIZE]; struct flash_dev flash; +lfs_file_t packet_file; +bool flash_enabled = true; static int flash_sync(const struct lfs_config *c) { - return 0; + return LFS_ERR_OK; } static int lfs_read(const struct lfs_config *c, lfs_block_t block, lfs_off_t offset, - void *location, lfs_size_t size) + void *data, lfs_size_t size) { - uint32_t page = block * GD5F_PAGES_PER_BLOCK + (offset / GD5F_PAGE_SIZE); - uint16_t col = offset % GD5F_PAGE_SIZE; - return gd5f1gq5xe_read(page, col, location, size); + if (!gd5f1gq5xe_read(block, offset, data, size)) return LFS_ERR_IO; + return LFS_ERR_OK; } static int lfs_prog(const struct lfs_config *c, lfs_block_t block, lfs_off_t offset, const void *data, lfs_size_t size) { - uint32_t page = block * GD5F_PAGES_PER_BLOCK + (offset / GD5F_PAGE_SIZE); - uint16_t col = offset % GD5F_PAGE_SIZE; - return gd5f1gq5xe_write(page, col, data, size); + if (!gd5f1gq5xe_write(block, offset, data, size)) return LFS_ERR_IO; + return LFS_ERR_OK; } static int lfs_erase(const struct lfs_config *c, lfs_block_t block) { - uint32_t page = block * GD5F_PAGES_PER_BLOCK; - return gd5f1gq5xe_erase(page); + if (!gd5f1gq5xe_erase(block)) return LFS_ERR_IO; + return LFS_ERR_OK; } static const struct lfs_config flash_cfg = { @@ -178,6 +179,21 @@ void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart) HAL_UART_Receive_IT(&huart5, camera_buffer, 4); } +void handle_usb_cdc(uint8_t* buf, uint32_t len) +{ + if (memcpy(buf, "PING", len) == 0) { + const char msg[] = "Hello!"; + CDC_Transmit_FS(msg, sizeof(msg)); + } else if (memcmp(buf, "PACKET", len) == 0) { + uint8_t bytes[2048]; + lfs_ssize_t bytes_read; + + lfs_file_seek(&(flash.lfs), &packet_file, 0, LFS_SEEK_SET); + while ((bytes_read = lfs_file_read(&(flash.lfs), &packet_file, bytes, sizeof(bytes))) > 0) + CDC_Transmit_FS(bytes, sizeof(bytes)); + } +} + uint32_t calculate_checksum(const uint8_t *data, size_t length) { return HAL_CRC_Calculate(&hcrc, (uint32_t *)data, length); @@ -273,7 +289,7 @@ int main(void) MX_TIM1_Init(); MX_CRC_Init(); MX_TIM2_Init(); - /* MX_USB_DEVICE_Init(); */ + MX_USB_DEVICE_Init(); /* USER CODE BEGIN 2 */ us_timer_init(); @@ -309,14 +325,12 @@ int main(void) HAL_UART_Receive_IT(&huart5, camera_buffer, 4); flash_init(&flash, GD5F1GQ5XE); - flash_mount(&flash, &flash_cfg); - /* MX_USB_DEVICE_Init(); */ - uint32_t boot_count = flash_boot_count(&flash, false); - lfs_file_t packet_file; - flash_open(&flash, &packet_file, "packets"); - - __HAL_UART_CLEAR_OREFLAG(&huart5); - HAL_UART_Receive_IT(&huart5, camera_buffer, 4); + int32_t fs_size = flash_mount(&flash, &flash_cfg); + if (fs_size < 0) flash_enabled = false; + if (flash_enabled) { + uint32_t boot_count = flash_boot_count(&flash, false); + uint32_t file_size = flash_open(&flash, &packet_file, "packets"); + } /* USER CODE END 2 */ @@ -352,25 +366,22 @@ int main(void) packet.angular_velocity_y_rads = bmi088_convert_gyro_axis_data(&bmi088, bmi088_gyro_data.y); packet.angular_velocity_z_rads = bmi088_convert_gyro_axis_data(&bmi088, bmi088_gyro_data.z); - if (!estimator_init) { - orientation_estimator_reset_from_accel(&estimator, packet.acceleration_x_mss, packet.acceleration_y_mss, packet.acceleration_z_mss); - estimator_init = 1; - } - - orientation_estimator_add_gyro_reading( - &estimator, - packet.angular_velocity_x_rads, - packet.angular_velocity_y_rads, - packet.angular_velocity_z_rads - ); - - packet.w = orientation_estimator_get_w(&estimator); - packet.x = -orientation_estimator_get_x(&estimator); - packet.y = -orientation_estimator_get_y(&estimator); - packet.z = -orientation_estimator_get_z(&estimator); - - accel_ready = 0; - gyro_ready = 0; + if (!estimator_init) { + orientation_estimator_reset_from_accel(&estimator, packet.acceleration_x_mss, + packet.acceleration_y_mss, packet.acceleration_z_mss); + estimator_init = 1; + } + + orientation_estimator_add_gyro_reading(&estimator, packet.angular_velocity_x_rads, + packet.angular_velocity_y_rads, + packet.angular_velocity_z_rads); + packet.w = orientation_estimator_get_w(&estimator); + packet.x = -orientation_estimator_get_x(&estimator); + packet.y = -orientation_estimator_get_y(&estimator); + packet.z = -orientation_estimator_get_z(&estimator); + + accel_ready = 0; + gyro_ready = 0; } uint32_t current_time = HAL_GetTick(); @@ -388,16 +399,17 @@ int main(void) HAL_GPIO_TogglePin(GPIOD, CAM_FIRE_Pin); camera_fired ^= 1; + flash_enabled = false; } packet.status = (camera_fired == 1) ? 1 : 0; packet.time_us = get_time_us(); packet.kf_position_m = bmp_data.pressure; - - packet.checksum = calculate_checksum((const uint8_t *)&packet+sizeof(short), sizeof(packet)-6); + packet.checksum = calculate_checksum((const uint8_t *) &packet + sizeof(short), sizeof(packet) - 6); HAL_UART_Transmit(&huart5, (uint8_t*)&packet, sizeof(packet), HAL_MAX_DELAY); - if (current_time - prev_flash_write_time >= 10) { + + if (flash_enabled && (current_time - prev_flash_write_time >= 10)) { prev_flash_write_time = current_time; flash_append(&flash, &packet_file, (uint8_t*) &packet, sizeof(packet)); } @@ -405,7 +417,7 @@ int main(void) HAL_GPIO_TogglePin(GPIOB, LED_Pin); } - /* flash_close(&flash, &packet_file); */ + flash_close(&flash, &packet_file); flash_unmount(&flash); /* USER CODE END 3 */ } diff --git a/Ganesha_II_V2/Ganesha_II_V2.ioc b/Ganesha_II_V2/Ganesha_II_V2.ioc index 36d4b6a..a45298c 100644 --- a/Ganesha_II_V2/Ganesha_II_V2.ioc +++ b/Ganesha_II_V2/Ganesha_II_V2.ioc @@ -94,7 +94,7 @@ Mcu.Pin42=VP_CRC_VS_CRC Mcu.Pin43=VP_SYS_VS_Systick Mcu.Pin44=VP_TIM1_VS_ClockSourceINT Mcu.Pin45=VP_TIM2_VS_ClockSourceINT -Mcu.Pin46=VP_USB_DEVICE_VS_USB_DEVICE_MSC_FS +Mcu.Pin46=VP_USB_DEVICE_VS_USB_DEVICE_CDC_FS Mcu.Pin47=VP_MEMORYMAP_VS_MEMORYMAP Mcu.Pin5=PH1-OSC_OUT (PH1) Mcu.Pin6=PC1 @@ -269,11 +269,11 @@ ProjectManager.ProjectName=Ganesha_II_V2 ProjectManager.ProjectStructure= ProjectManager.RegisterCallBack= ProjectManager.StackSize=0x400 -ProjectManager.TargetToolchain=STM32CubeIDE +ProjectManager.TargetToolchain=Makefile ProjectManager.ToolChainLocation= ProjectManager.UAScriptAfterPath= ProjectManager.UAScriptBeforePath= -ProjectManager.UnderRoot=true +ProjectManager.UnderRoot=false ProjectManager.functionlistsort=1-SystemClock_Config-RCC-false-HAL-false,2-MX_GPIO_Init-GPIO-false-HAL-true,3-MX_DMA_Init-DMA-false-HAL-true,4-MX_I2C2_Init-I2C2-false-HAL-true,5-MX_SPI1_Init-SPI1-false-HAL-true,6-MX_SPI4_Init-SPI4-false-HAL-true,7-MX_UART5_Init-UART5-false-HAL-true,8-MX_UART8_Init-UART8-false-HAL-true,9-MX_SPI2_Init-SPI2-false-HAL-true,10-MX_TIM1_Init-TIM1-false-HAL-true,11-MX_CRC_Init-CRC-false-HAL-true,12-MX_TIM2_Init-TIM2-false-HAL-true,13-MX_USB_DEVICE_Init-USB_DEVICE-false-HAL-false,0-MX_CORTEX_M7_Init-CORTEX_M7-false-HAL-true RCC.ADCFreq_Value=50390625 RCC.AHB12Freq_Value=64000000 @@ -390,12 +390,10 @@ UART5.Parity=PARITY_NONE UART5.WordLength=WORDLENGTH_8B UART8.BaudRate=9600 UART8.IPParameters=BaudRate -USB_DEVICE.CLASS_NAME_FS=MSC -USB_DEVICE.IPParameters=VirtualMode-MSC_FS,VirtualModeFS,CLASS_NAME_FS,USBD_MAX_STR_DESC_SIZ-MSC_FS,MSC_MEDIA_PACKET-MSC_FS -USB_DEVICE.MSC_MEDIA_PACKET-MSC_FS=4096 -USB_DEVICE.USBD_MAX_STR_DESC_SIZ-MSC_FS=4096 -USB_DEVICE.VirtualMode-MSC_FS=Msc -USB_DEVICE.VirtualModeFS=Msc_FS +USB_DEVICE.CLASS_NAME_FS=CDC +USB_DEVICE.IPParameters=VirtualMode-CDC_FS,VirtualModeFS,CLASS_NAME_FS +USB_DEVICE.VirtualMode-CDC_FS=Cdc +USB_DEVICE.VirtualModeFS=Cdc_FS USB_OTG_FS.IPParameters=VirtualMode USB_OTG_FS.VirtualMode=Device_Only VP_CRC_VS_CRC.Mode=CRC_Activate @@ -408,6 +406,6 @@ VP_TIM1_VS_ClockSourceINT.Mode=Internal VP_TIM1_VS_ClockSourceINT.Signal=TIM1_VS_ClockSourceINT VP_TIM2_VS_ClockSourceINT.Mode=Internal VP_TIM2_VS_ClockSourceINT.Signal=TIM2_VS_ClockSourceINT -VP_USB_DEVICE_VS_USB_DEVICE_MSC_FS.Mode=MSC_FS -VP_USB_DEVICE_VS_USB_DEVICE_MSC_FS.Signal=USB_DEVICE_VS_USB_DEVICE_MSC_FS +VP_USB_DEVICE_VS_USB_DEVICE_CDC_FS.Mode=CDC_FS +VP_USB_DEVICE_VS_USB_DEVICE_CDC_FS.Signal=USB_DEVICE_VS_USB_DEVICE_CDC_FS board=custom diff --git a/Ganesha_II_V2/Makefile b/Ganesha_II_V2/Makefile index fa245ce..dd4e02c 100644 --- a/Ganesha_II_V2/Makefile +++ b/Ganesha_II_V2/Makefile @@ -1,5 +1,5 @@ ########################################################################################################################## -# File automatically-generated by tool: [projectgenerator] version: [4.9.0-B19] date: [Sun May 03 08:29:56 GMT 2026] +# File automatically-generated by tool: [projectgenerator] version: [4.9.0-B19] date: [Thu May 28 23:20:53 GMT 2026] ########################################################################################################################## # ------------------------------------------------ @@ -83,17 +83,14 @@ Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_ll_usb.c \ Core/Src/system_stm32h7xx.c \ Core/Src/sysmem.c \ Core/Src/syscalls.c \ -USB_DEVICE/App/usb_device.c \ +USB_DEVICE/App/usbd_cdc_if.c \ USB_DEVICE/App/usbd_desc.c \ -USB_DEVICE/App/usbd_storage_if.c \ -USB_DEVICE/Target/usbd_conf.c \ +USB_DEVICE/App/usb_device.c \ Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_core.c \ Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_ctlreq.c \ Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_ioreq.c \ -Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc.c \ -Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_bot.c \ -Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_data.c \ -Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_scsi.c +USB_DEVICE/Target/usbd_conf.c \ +Middlewares/ST/STM32_USB_Device_Library/Class/CDC/Src/usbd_cdc.c # ASM sources ASM_SOURCES = \ @@ -167,8 +164,7 @@ C_INCLUDES = \ -IUSB_DEVICE/App \ -IUSB_DEVICE/Target \ -IMiddlewares/ST/STM32_USB_Device_Library/Core/Inc \ --IMiddlewares/ST/STM32_USB_Device_Library/Class/MSC/Inc - +-IMiddlewares/ST/STM32_USB_Device_Library/Class/CDC/Inc # compile gcc flags ASFLAGS = $(MCU) $(AS_DEFS) $(AS_INCLUDES) $(OPT) -Wall -fdata-sections -ffunction-sections diff --git a/Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Inc/usbd_msc.h b/Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Inc/usbd_msc.h deleted file mode 100644 index e55fef4..0000000 --- a/Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Inc/usbd_msc.h +++ /dev/null @@ -1,130 +0,0 @@ -/** - ****************************************************************************** - * @file usbd_msc.h - * @author MCD Application Team - * @brief Header for the usbd_msc.c file - ****************************************************************************** - * @attention - * - * Copyright (c) 2015 STMicroelectronics. - * All rights reserved. - * - * This software is licensed under terms that can be found in the LICENSE file - * in the root directory of this software component. - * If no LICENSE file comes with this software, it is provided AS-IS. - * - ****************************************************************************** - */ - -/* Define to prevent recursive inclusion -------------------------------------*/ -#ifndef __USBD_MSC_H -#define __USBD_MSC_H - -#ifdef __cplusplus -extern "C" { -#endif - -/* Includes ------------------------------------------------------------------*/ -#include "usbd_msc_bot.h" -#include "usbd_msc_scsi.h" -#include "usbd_ioreq.h" - -/** @addtogroup USBD_MSC_BOT - * @{ - */ - -/** @defgroup USBD_MSC - * @brief This file is the Header file for usbd_msc.c - * @{ - */ - - -/** @defgroup USBD_BOT_Exported_Defines - * @{ - */ -/* MSC Class Config */ -#ifndef MSC_MEDIA_PACKET -#define MSC_MEDIA_PACKET 512U -#endif /* MSC_MEDIA_PACKET */ - -#define MSC_MAX_FS_PACKET 0x40U -#define MSC_MAX_HS_PACKET 0x200U - -#define BOT_GET_MAX_LUN 0xFE -#define BOT_RESET 0xFF -#define USB_MSC_CONFIG_DESC_SIZ 32 - -#ifndef MSC_EPIN_ADDR -#define MSC_EPIN_ADDR 0x81U -#endif /* MSC_EPIN_ADDR */ - -#ifndef MSC_EPOUT_ADDR -#define MSC_EPOUT_ADDR 0x01U -#endif /* MSC_EPOUT_ADDR */ - -/** - * @} - */ - -/** @defgroup USB_CORE_Exported_Types - * @{ - */ -typedef struct _USBD_STORAGE -{ - int8_t (* Init)(uint8_t lun); - int8_t (* GetCapacity)(uint8_t lun, uint32_t *block_num, uint16_t *block_size); - int8_t (* IsReady)(uint8_t lun); - int8_t (* IsWriteProtected)(uint8_t lun); - int8_t (* Read)(uint8_t lun, uint8_t *buf, uint32_t blk_addr, uint16_t blk_len); - int8_t (* Write)(uint8_t lun, uint8_t *buf, uint32_t blk_addr, uint16_t blk_len); - int8_t (* GetMaxLun)(void); - int8_t *pInquiry; - -} USBD_StorageTypeDef; - - -typedef struct -{ - uint32_t max_lun; - uint32_t interface; - uint8_t bot_state; - uint8_t bot_status; - uint32_t bot_data_length; - uint8_t bot_data[MSC_MEDIA_PACKET]; - USBD_MSC_BOT_CBWTypeDef cbw; - USBD_MSC_BOT_CSWTypeDef csw; - - USBD_SCSI_SenseTypeDef scsi_sense [SENSE_LIST_DEEPTH]; - uint8_t scsi_sense_head; - uint8_t scsi_sense_tail; - uint8_t scsi_medium_state; - - uint16_t scsi_blk_size; - uint32_t scsi_blk_nbr; - - uint32_t scsi_blk_addr; - uint32_t scsi_blk_len; -} USBD_MSC_BOT_HandleTypeDef; - -/* Structure for MSC process */ -extern USBD_ClassTypeDef USBD_MSC; -#define USBD_MSC_CLASS &USBD_MSC - -uint8_t USBD_MSC_RegisterStorage(USBD_HandleTypeDef *pdev, - USBD_StorageTypeDef *fops); -/** - * @} - */ - -/** - * @} - */ - -#ifdef __cplusplus -} -#endif - -#endif /* __USBD_MSC_H */ -/** - * @} - */ diff --git a/Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Inc/usbd_msc_bot.h b/Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Inc/usbd_msc_bot.h deleted file mode 100644 index 8550a39..0000000 --- a/Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Inc/usbd_msc_bot.h +++ /dev/null @@ -1,146 +0,0 @@ -/** - ****************************************************************************** - * @file usbd_msc_bot.h - * @author MCD Application Team - * @brief Header for the usbd_msc_bot.c file - ****************************************************************************** - * @attention - * - * Copyright (c) 2015 STMicroelectronics. - * All rights reserved. - * - * This software is licensed under terms that can be found in the LICENSE file - * in the root directory of this software component. - * If no LICENSE file comes with this software, it is provided AS-IS. - * - ****************************************************************************** - */ - -/* Define to prevent recursive inclusion -------------------------------------*/ -#ifndef __USBD_MSC_BOT_H -#define __USBD_MSC_BOT_H - -#ifdef __cplusplus -extern "C" { -#endif - -/* Includes ------------------------------------------------------------------*/ -#include "usbd_core.h" - -/** @addtogroup STM32_USB_DEVICE_LIBRARY - * @{ - */ - -/** @defgroup MSC_BOT - * @brief This file is the Header file for usbd_msc_bot.c - * @{ - */ - - -/** @defgroup USBD_CORE_Exported_Defines - * @{ - */ -#define USBD_BOT_IDLE 0U /* Idle state */ -#define USBD_BOT_DATA_OUT 1U /* Data Out state */ -#define USBD_BOT_DATA_IN 2U /* Data In state */ -#define USBD_BOT_LAST_DATA_IN 3U /* Last Data In Last */ -#define USBD_BOT_SEND_DATA 4U /* Send Immediate data */ -#define USBD_BOT_NO_DATA 5U /* No data Stage */ - -#define USBD_BOT_CBW_SIGNATURE 0x43425355U -#define USBD_BOT_CSW_SIGNATURE 0x53425355U -#define USBD_BOT_CBW_LENGTH 31U -#define USBD_BOT_CSW_LENGTH 13U -#define USBD_BOT_MAX_DATA 256U - -/* CSW Status Definitions */ -#define USBD_CSW_CMD_PASSED 0x00U -#define USBD_CSW_CMD_FAILED 0x01U -#define USBD_CSW_PHASE_ERROR 0x02U - -/* BOT Status */ -#define USBD_BOT_STATUS_NORMAL 0U -#define USBD_BOT_STATUS_RECOVERY 1U -#define USBD_BOT_STATUS_ERROR 2U - - -#define USBD_DIR_IN 0U -#define USBD_DIR_OUT 1U -#define USBD_BOTH_DIR 2U - -/** - * @} - */ - -/** @defgroup MSC_CORE_Private_TypesDefinitions - * @{ - */ - -typedef struct -{ - uint32_t dSignature; - uint32_t dTag; - uint32_t dDataLength; - uint8_t bmFlags; - uint8_t bLUN; - uint8_t bCBLength; - uint8_t CB[16]; - uint8_t ReservedForAlign; -} USBD_MSC_BOT_CBWTypeDef; - - -typedef struct -{ - uint32_t dSignature; - uint32_t dTag; - uint32_t dDataResidue; - uint8_t bStatus; - uint8_t ReservedForAlign[3]; -} USBD_MSC_BOT_CSWTypeDef; - -/** - * @} - */ - - -/** @defgroup USBD_CORE_Exported_Types - * @{ - */ - -/** - * @} - */ -/** @defgroup USBD_CORE_Exported_FunctionsPrototypes - * @{ - */ -void MSC_BOT_Init(USBD_HandleTypeDef *pdev); -void MSC_BOT_Reset(USBD_HandleTypeDef *pdev); -void MSC_BOT_DeInit(USBD_HandleTypeDef *pdev); -void MSC_BOT_DataIn(USBD_HandleTypeDef *pdev, - uint8_t epnum); - -void MSC_BOT_DataOut(USBD_HandleTypeDef *pdev, - uint8_t epnum); - -void MSC_BOT_SendCSW(USBD_HandleTypeDef *pdev, - uint8_t CSW_Status); - -void MSC_BOT_CplClrFeature(USBD_HandleTypeDef *pdev, - uint8_t epnum); -/** - * @} - */ - -#ifdef __cplusplus -} -#endif - -#endif /* __USBD_MSC_BOT_H */ -/** - * @} - */ - -/** - * @} - */ - diff --git a/Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Inc/usbd_msc_data.h b/Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Inc/usbd_msc_data.h deleted file mode 100644 index c96d2b8..0000000 --- a/Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Inc/usbd_msc_data.h +++ /dev/null @@ -1,102 +0,0 @@ -/** - ****************************************************************************** - * @file usbd_msc_data.h - * @author MCD Application Team - * @brief Header for the usbd_msc_data.c file - ****************************************************************************** - * @attention - * - * Copyright (c) 2015 STMicroelectronics. - * All rights reserved. - * - * This software is licensed under terms that can be found in the LICENSE file - * in the root directory of this software component. - * If no LICENSE file comes with this software, it is provided AS-IS. - * - ****************************************************************************** - */ - -/* Define to prevent recursive inclusion -------------------------------------*/ -#ifndef __USBD_MSC_DATA_H -#define __USBD_MSC_DATA_H - -#ifdef __cplusplus -extern "C" { -#endif - -/* Includes ------------------------------------------------------------------*/ -#include "usbd_conf.h" - -/** @addtogroup STM32_USB_DEVICE_LIBRARY - * @{ - */ - -/** @defgroup USB_INFO - * @brief general defines for the usb device library file - * @{ - */ - -/** @defgroup USB_INFO_Exported_Defines - * @{ - */ -#define MODE_SENSE6_LEN 0x04U -#define MODE_SENSE10_LEN 0x08U -#define LENGTH_INQUIRY_PAGE00 0x06U -#define LENGTH_INQUIRY_PAGE80 0x08U -#define LENGTH_FORMAT_CAPACITIES 0x14U - -/** - * @} - */ - - -/** @defgroup USBD_INFO_Exported_TypesDefinitions - * @{ - */ -/** - * @} - */ - - - -/** @defgroup USBD_INFO_Exported_Macros - * @{ - */ - -/** - * @} - */ - -/** @defgroup USBD_INFO_Exported_Variables - * @{ - */ -extern uint8_t MSC_Page00_Inquiry_Data[LENGTH_INQUIRY_PAGE00]; -extern uint8_t MSC_Page80_Inquiry_Data[LENGTH_INQUIRY_PAGE80]; -extern uint8_t MSC_Mode_Sense6_data[MODE_SENSE6_LEN]; -extern uint8_t MSC_Mode_Sense10_data[MODE_SENSE10_LEN]; - -/** - * @} - */ - -/** @defgroup USBD_INFO_Exported_FunctionsPrototype - * @{ - */ - -/** - * @} - */ - -#ifdef __cplusplus -} -#endif - -#endif /* __USBD_MSC_DATA_H */ - -/** - * @} - */ - -/** - * @} - */ diff --git a/Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Inc/usbd_msc_scsi.h b/Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Inc/usbd_msc_scsi.h deleted file mode 100644 index 477affb..0000000 --- a/Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Inc/usbd_msc_scsi.h +++ /dev/null @@ -1,182 +0,0 @@ -/** - ****************************************************************************** - * @file usbd_msc_scsi.h - * @author MCD Application Team - * @brief Header for the usbd_msc_scsi.c file - ****************************************************************************** - * @attention - * - * Copyright (c) 2015 STMicroelectronics. - * All rights reserved. - * - * This software is licensed under terms that can be found in the LICENSE file - * in the root directory of this software component. - * If no LICENSE file comes with this software, it is provided AS-IS. - * - ****************************************************************************** - */ - -/* Define to prevent recursive inclusion -------------------------------------*/ -#ifndef __USBD_MSC_SCSI_H -#define __USBD_MSC_SCSI_H - -#ifdef __cplusplus -extern "C" { -#endif - -/* Includes ------------------------------------------------------------------*/ -#include "usbd_def.h" - -/** @addtogroup STM32_USB_DEVICE_LIBRARY - * @{ - */ - -/** @defgroup USBD_SCSI - * @brief header file for the storage disk file - * @{ - */ - -/** @defgroup USBD_SCSI_Exported_Defines - * @{ - */ - -#define SENSE_LIST_DEEPTH 4U - -/* SCSI Commands */ -#define SCSI_FORMAT_UNIT 0x04U -#define SCSI_INQUIRY 0x12U -#define SCSI_MODE_SELECT6 0x15U -#define SCSI_MODE_SELECT10 0x55U -#define SCSI_MODE_SENSE6 0x1AU -#define SCSI_MODE_SENSE10 0x5AU -#define SCSI_ALLOW_MEDIUM_REMOVAL 0x1EU -#define SCSI_READ6 0x08U -#define SCSI_READ10 0x28U -#define SCSI_READ12 0xA8U -#define SCSI_READ16 0x88U - -#define SCSI_READ_CAPACITY10 0x25U -#define SCSI_READ_CAPACITY16 0x9EU - -#define SCSI_REQUEST_SENSE 0x03U -#define SCSI_START_STOP_UNIT 0x1BU -#define SCSI_TEST_UNIT_READY 0x00U -#define SCSI_WRITE6 0x0AU -#define SCSI_WRITE10 0x2AU -#define SCSI_WRITE12 0xAAU -#define SCSI_WRITE16 0x8AU - -#define SCSI_VERIFY10 0x2FU -#define SCSI_VERIFY12 0xAFU -#define SCSI_VERIFY16 0x8FU - -#define SCSI_SEND_DIAGNOSTIC 0x1DU -#define SCSI_READ_FORMAT_CAPACITIES 0x23U - -#define NO_SENSE 0U -#define RECOVERED_ERROR 1U -#define NOT_READY 2U -#define MEDIUM_ERROR 3U -#define HARDWARE_ERROR 4U -#define ILLEGAL_REQUEST 5U -#define UNIT_ATTENTION 6U -#define DATA_PROTECT 7U -#define BLANK_CHECK 8U -#define MSC_VENDOR_SPECIFIC 9U -#define COPY_ABORTED 10U -#define ABORTED_COMMAND 11U -#define VOLUME_OVERFLOW 13U -#define MISCOMPARE 14U - - -#define INVALID_CDB 0x20U -#define INVALID_FIELED_IN_COMMAND 0x24U -#define PARAMETER_LIST_LENGTH_ERROR 0x1AU -#define INVALID_FIELD_IN_PARAMETER_LIST 0x26U -#define ADDRESS_OUT_OF_RANGE 0x21U -#define MEDIUM_NOT_PRESENT 0x3AU -#define MEDIUM_HAVE_CHANGED 0x28U -#define WRITE_PROTECTED 0x27U -#define UNRECOVERED_READ_ERROR 0x11U -#define WRITE_FAULT 0x03U - -#define READ_FORMAT_CAPACITY_DATA_LEN 0x0CU -#define READ_CAPACITY10_DATA_LEN 0x08U -#define REQUEST_SENSE_DATA_LEN 0x12U -#define STANDARD_INQUIRY_DATA_LEN 0x24U -#define BLKVFY 0x04U - -#define SCSI_MEDIUM_UNLOCKED 0x00U -#define SCSI_MEDIUM_LOCKED 0x01U -#define SCSI_MEDIUM_EJECTED 0x02U -/** - * @} - */ - - -/** @defgroup USBD_SCSI_Exported_TypesDefinitions - * @{ - */ - -typedef struct _SENSE_ITEM -{ - uint8_t Skey; - union - { - struct _ASCs - { - uint8_t ASC; - uint8_t ASCQ; - } b; - uint8_t ASC; - uint8_t *pData; - } w; -} USBD_SCSI_SenseTypeDef; -/** - * @} - */ - -/** @defgroup USBD_SCSI_Exported_Macros - * @{ - */ - -/** - * @} - */ - -/** @defgroup USBD_SCSI_Exported_Variables - * @{ - */ - -/** - * @} - */ -/** @defgroup USBD_SCSI_Exported_FunctionsPrototype - * @{ - */ -int8_t SCSI_ProcessCmd(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *cmd); - -void SCSI_SenseCode(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t sKey, - uint8_t ASC); - -/** - * @} - */ - -#ifdef __cplusplus -} -#endif - -#endif /* __USBD_MSC_SCSI_H */ -/** - * @} - */ - -/** - * @} - */ - -/** - * @} - */ - diff --git a/Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc.c b/Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc.c deleted file mode 100644 index 7f2152f..0000000 --- a/Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc.c +++ /dev/null @@ -1,579 +0,0 @@ -/** - ****************************************************************************** - * @file usbd_msc.c - * @author MCD Application Team - * @brief This file provides all the MSC core functions. - * - ****************************************************************************** - * @attention - * - * Copyright (c) 2015 STMicroelectronics. - * All rights reserved. - * - * This software is licensed under terms that can be found in the LICENSE file - * in the root directory of this software component. - * If no LICENSE file comes with this software, it is provided AS-IS. - * - ****************************************************************************** - * @verbatim - * - * =================================================================== - * MSC Class Description - * =================================================================== - * This module manages the MSC class V1.0 following the "Universal - * Serial Bus Mass Storage Class (MSC) Bulk-Only Transport (BOT) Version 1.0 - * Sep. 31, 1999". - * This driver implements the following aspects of the specification: - * - Bulk-Only Transport protocol - * - Subclass : SCSI transparent command set (ref. SCSI Primary Commands - 3 (SPC-3)) - * - * @endverbatim - * - ****************************************************************************** - */ - -/* BSPDependencies -- "stm32xxxxx_{eval}{discovery}{nucleo_144}.c" -- "stm32xxxxx_{eval}{discovery}_io.c" -- "stm32xxxxx_{eval}{discovery}{adafruit}_sd.c" -EndBSPDependencies */ - -/* Includes ------------------------------------------------------------------*/ -#include "usbd_msc.h" - - -/** @addtogroup STM32_USB_DEVICE_LIBRARY - * @{ - */ - - -/** @defgroup MSC_CORE - * @brief Mass storage core module - * @{ - */ - -/** @defgroup MSC_CORE_Private_TypesDefinitions - * @{ - */ -/** - * @} - */ - - -/** @defgroup MSC_CORE_Private_Defines - * @{ - */ - -/** - * @} - */ - - -/** @defgroup MSC_CORE_Private_Macros - * @{ - */ -/** - * @} - */ - - -/** @defgroup MSC_CORE_Private_FunctionPrototypes - * @{ - */ -uint8_t USBD_MSC_Init(USBD_HandleTypeDef *pdev, uint8_t cfgidx); -uint8_t USBD_MSC_DeInit(USBD_HandleTypeDef *pdev, uint8_t cfgidx); -uint8_t USBD_MSC_Setup(USBD_HandleTypeDef *pdev, USBD_SetupReqTypedef *req); -uint8_t USBD_MSC_DataIn(USBD_HandleTypeDef *pdev, uint8_t epnum); -uint8_t USBD_MSC_DataOut(USBD_HandleTypeDef *pdev, uint8_t epnum); - -#ifndef USE_USBD_COMPOSITE -uint8_t *USBD_MSC_GetHSCfgDesc(uint16_t *length); -uint8_t *USBD_MSC_GetFSCfgDesc(uint16_t *length); -uint8_t *USBD_MSC_GetOtherSpeedCfgDesc(uint16_t *length); -uint8_t *USBD_MSC_GetDeviceQualifierDescriptor(uint16_t *length); -#endif /* USE_USBD_COMPOSITE */ -/** - * @} - */ - - -/** @defgroup MSC_CORE_Private_Variables - * @{ - */ - - -USBD_ClassTypeDef USBD_MSC = -{ - USBD_MSC_Init, - USBD_MSC_DeInit, - USBD_MSC_Setup, - NULL, /*EP0_TxSent*/ - NULL, /*EP0_RxReady*/ - USBD_MSC_DataIn, - USBD_MSC_DataOut, - NULL, /*SOF */ - NULL, - NULL, -#ifdef USE_USBD_COMPOSITE - NULL, - NULL, - NULL, - NULL, -#else - USBD_MSC_GetHSCfgDesc, - USBD_MSC_GetFSCfgDesc, - USBD_MSC_GetOtherSpeedCfgDesc, - USBD_MSC_GetDeviceQualifierDescriptor, -#endif /* USE_USBD_COMPOSITE */ -}; - -/* USB Mass storage device Configuration Descriptor */ -#ifndef USE_USBD_COMPOSITE -/* USB Mass storage device Configuration Descriptor */ -/* All Descriptors (Configuration, Interface, Endpoint, Class, Vendor */ -__ALIGN_BEGIN static uint8_t USBD_MSC_CfgDesc[USB_MSC_CONFIG_DESC_SIZ] __ALIGN_END = -{ - 0x09, /* bLength: Configuration Descriptor size */ - USB_DESC_TYPE_CONFIGURATION, /* bDescriptorType: Configuration */ - USB_MSC_CONFIG_DESC_SIZ, - - 0x00, - 0x01, /* bNumInterfaces: 1 interface */ - 0x01, /* bConfigurationValue */ - 0x04, /* iConfiguration */ -#if (USBD_SELF_POWERED == 1U) - 0xC0, /* bmAttributes: Bus Powered according to user configuration */ -#else - 0x80, /* bmAttributes: Bus Powered according to user configuration */ -#endif /* USBD_SELF_POWERED */ - USBD_MAX_POWER, /* MaxPower (mA) */ - - /******************** Mass Storage interface ********************/ - 0x09, /* bLength: Interface Descriptor size */ - 0x04, /* bDescriptorType: */ - 0x00, /* bInterfaceNumber: Number of Interface */ - 0x00, /* bAlternateSetting: Alternate setting */ - 0x02, /* bNumEndpoints */ - 0x08, /* bInterfaceClass: MSC Class */ - 0x06, /* bInterfaceSubClass : SCSI transparent*/ - 0x50, /* nInterfaceProtocol */ - 0x05, /* iInterface: */ - /******************** Mass Storage Endpoints ********************/ - 0x07, /* Endpoint descriptor length = 7 */ - 0x05, /* Endpoint descriptor type */ - MSC_EPIN_ADDR, /* Endpoint address (IN, address 1) */ - 0x02, /* Bulk endpoint type */ - LOBYTE(MSC_MAX_FS_PACKET), - HIBYTE(MSC_MAX_FS_PACKET), - 0x00, /* Polling interval in milliseconds */ - - 0x07, /* Endpoint descriptor length = 7 */ - 0x05, /* Endpoint descriptor type */ - MSC_EPOUT_ADDR, /* Endpoint address (OUT, address 1) */ - 0x02, /* Bulk endpoint type */ - LOBYTE(MSC_MAX_FS_PACKET), - HIBYTE(MSC_MAX_FS_PACKET), - 0x00 /* Polling interval in milliseconds */ -}; - -/* USB Standard Device Descriptor */ -__ALIGN_BEGIN static uint8_t USBD_MSC_DeviceQualifierDesc[USB_LEN_DEV_QUALIFIER_DESC] __ALIGN_END = -{ - USB_LEN_DEV_QUALIFIER_DESC, - USB_DESC_TYPE_DEVICE_QUALIFIER, - 0x00, - 0x02, - 0x00, - 0x00, - 0x00, - MSC_MAX_FS_PACKET, - 0x01, - 0x00, -}; -#endif /* USE_USBD_COMPOSITE */ - -uint8_t MSCInEpAdd = MSC_EPIN_ADDR; -uint8_t MSCOutEpAdd = MSC_EPOUT_ADDR; - -/** - * @} - */ - - -/** @defgroup MSC_CORE_Private_Functions - * @{ - */ - -/** - * @brief USBD_MSC_Init - * Initialize the mass storage configuration - * @param pdev: device instance - * @param cfgidx: configuration index - * @retval status - */ -uint8_t USBD_MSC_Init(USBD_HandleTypeDef *pdev, uint8_t cfgidx) -{ - UNUSED(cfgidx); - USBD_MSC_BOT_HandleTypeDef *hmsc; - - hmsc = (USBD_MSC_BOT_HandleTypeDef *)USBD_malloc(sizeof(USBD_MSC_BOT_HandleTypeDef)); - - if (hmsc == NULL) - { - pdev->pClassDataCmsit[pdev->classId] = NULL; - return (uint8_t)USBD_EMEM; - } - - pdev->pClassDataCmsit[pdev->classId] = (void *)hmsc; - pdev->pClassData = pdev->pClassDataCmsit[pdev->classId]; - -#ifdef USE_USBD_COMPOSITE - /* Get the Endpoints addresses allocated for this class instance */ - MSCInEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_IN, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId); - MSCOutEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_OUT, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId); -#endif /* USE_USBD_COMPOSITE */ - - if (pdev->dev_speed == USBD_SPEED_HIGH) - { - /* Open EP OUT */ - (void)USBD_LL_OpenEP(pdev, MSCOutEpAdd, USBD_EP_TYPE_BULK, MSC_MAX_HS_PACKET); - pdev->ep_out[MSCOutEpAdd & 0xFU].is_used = 1U; - - /* Open EP IN */ - (void)USBD_LL_OpenEP(pdev, MSCInEpAdd, USBD_EP_TYPE_BULK, MSC_MAX_HS_PACKET); - pdev->ep_in[MSCInEpAdd & 0xFU].is_used = 1U; - } - else - { - /* Open EP OUT */ - (void)USBD_LL_OpenEP(pdev, MSCOutEpAdd, USBD_EP_TYPE_BULK, MSC_MAX_FS_PACKET); - pdev->ep_out[MSCOutEpAdd & 0xFU].is_used = 1U; - - /* Open EP IN */ - (void)USBD_LL_OpenEP(pdev, MSCInEpAdd, USBD_EP_TYPE_BULK, MSC_MAX_FS_PACKET); - pdev->ep_in[MSCInEpAdd & 0xFU].is_used = 1U; - } - - /* Init the BOT layer */ - MSC_BOT_Init(pdev); - - return (uint8_t)USBD_OK; -} - -/** - * @brief USBD_MSC_DeInit - * DeInitialize the mass storage configuration - * @param pdev: device instance - * @param cfgidx: configuration index - * @retval status - */ -uint8_t USBD_MSC_DeInit(USBD_HandleTypeDef *pdev, uint8_t cfgidx) -{ - UNUSED(cfgidx); - -#ifdef USE_USBD_COMPOSITE - /* Get the Endpoints addresses allocated for this class instance */ - MSCInEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_IN, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId); - MSCOutEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_OUT, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId); -#endif /* USE_USBD_COMPOSITE */ - - /* Close MSC EPs */ - (void)USBD_LL_CloseEP(pdev, MSCOutEpAdd); - pdev->ep_out[MSCOutEpAdd & 0xFU].is_used = 0U; - - /* Close EP IN */ - (void)USBD_LL_CloseEP(pdev, MSCInEpAdd); - pdev->ep_in[MSCInEpAdd & 0xFU].is_used = 0U; - - /* Free MSC Class Resources */ - if (pdev->pClassDataCmsit[pdev->classId] != NULL) - { - /* De-Init the BOT layer */ - MSC_BOT_DeInit(pdev); - - (void)USBD_free(pdev->pClassDataCmsit[pdev->classId]); - pdev->pClassDataCmsit[pdev->classId] = NULL; - pdev->pClassData = NULL; - } - - return (uint8_t)USBD_OK; -} -/** - * @brief USBD_MSC_Setup - * Handle the MSC specific requests - * @param pdev: device instance - * @param req: USB request - * @retval status - */ -uint8_t USBD_MSC_Setup(USBD_HandleTypeDef *pdev, USBD_SetupReqTypedef *req) -{ - USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; - USBD_StatusTypeDef ret = USBD_OK; - uint16_t status_info = 0U; - -#ifdef USE_USBD_COMPOSITE - /* Get the Endpoints addresses allocated for this class instance */ - MSCInEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_IN, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId); - MSCOutEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_OUT, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId); -#endif /* USE_USBD_COMPOSITE */ - - if (hmsc == NULL) - { - return (uint8_t)USBD_FAIL; - } - - switch (req->bmRequest & USB_REQ_TYPE_MASK) - { - /* Class request */ - case USB_REQ_TYPE_CLASS: - switch (req->bRequest) - { - case BOT_GET_MAX_LUN: - if ((req->wValue == 0U) && (req->wLength == 1U) && - ((req->bmRequest & 0x80U) == 0x80U)) - { - hmsc->max_lun = (uint32_t)((USBD_StorageTypeDef *)pdev->pUserData[pdev->classId])->GetMaxLun(); - (void)USBD_CtlSendData(pdev, (uint8_t *)&hmsc->max_lun, 1U); - } - else - { - USBD_CtlError(pdev, req); - ret = USBD_FAIL; - } - break; - - case BOT_RESET : - if ((req->wValue == 0U) && (req->wLength == 0U) && - ((req->bmRequest & 0x80U) != 0x80U)) - { - MSC_BOT_Reset(pdev); - } - else - { - USBD_CtlError(pdev, req); - ret = USBD_FAIL; - } - break; - - default: - USBD_CtlError(pdev, req); - ret = USBD_FAIL; - break; - } - break; - /* Interface & Endpoint request */ - case USB_REQ_TYPE_STANDARD: - switch (req->bRequest) - { - case USB_REQ_GET_STATUS: - if (pdev->dev_state == USBD_STATE_CONFIGURED) - { - (void)USBD_CtlSendData(pdev, (uint8_t *)&status_info, 2U); - } - else - { - USBD_CtlError(pdev, req); - ret = USBD_FAIL; - } - break; - - case USB_REQ_GET_INTERFACE: - if (pdev->dev_state == USBD_STATE_CONFIGURED) - { - (void)USBD_CtlSendData(pdev, (uint8_t *)&hmsc->interface, 1U); - } - else - { - USBD_CtlError(pdev, req); - ret = USBD_FAIL; - } - break; - - case USB_REQ_SET_INTERFACE: - if (pdev->dev_state == USBD_STATE_CONFIGURED) - { - hmsc->interface = (uint8_t)(req->wValue); - } - else - { - USBD_CtlError(pdev, req); - ret = USBD_FAIL; - } - break; - - case USB_REQ_CLEAR_FEATURE: - if (pdev->dev_state == USBD_STATE_CONFIGURED) - { - if (req->wValue == USB_FEATURE_EP_HALT) - { - /* Flush the FIFO */ - (void)USBD_LL_FlushEP(pdev, (uint8_t)req->wIndex); - - /* Handle BOT error */ - MSC_BOT_CplClrFeature(pdev, (uint8_t)req->wIndex); - } - } - break; - - default: - USBD_CtlError(pdev, req); - ret = USBD_FAIL; - break; - } - break; - - default: - USBD_CtlError(pdev, req); - ret = USBD_FAIL; - break; - } - - return (uint8_t)ret; -} - -/** - * @brief USBD_MSC_DataIn - * handle data IN Stage - * @param pdev: device instance - * @param epnum: endpoint index - * @retval status - */ -uint8_t USBD_MSC_DataIn(USBD_HandleTypeDef *pdev, uint8_t epnum) -{ - MSC_BOT_DataIn(pdev, epnum); - - return (uint8_t)USBD_OK; -} - -/** - * @brief USBD_MSC_DataOut - * handle data OUT Stage - * @param pdev: device instance - * @param epnum: endpoint index - * @retval status - */ -uint8_t USBD_MSC_DataOut(USBD_HandleTypeDef *pdev, uint8_t epnum) -{ - MSC_BOT_DataOut(pdev, epnum); - - return (uint8_t)USBD_OK; -} -#ifndef USE_USBD_COMPOSITE -/** - * @brief USBD_MSC_GetHSCfgDesc - * return configuration descriptor - * @param length : pointer data length - * @retval pointer to descriptor buffer - */ -uint8_t *USBD_MSC_GetHSCfgDesc(uint16_t *length) -{ - USBD_EpDescTypeDef *pEpInDesc = USBD_GetEpDesc(USBD_MSC_CfgDesc, MSC_EPIN_ADDR); - USBD_EpDescTypeDef *pEpOutDesc = USBD_GetEpDesc(USBD_MSC_CfgDesc, MSC_EPOUT_ADDR); - - if (pEpInDesc != NULL) - { - pEpInDesc->wMaxPacketSize = MSC_MAX_HS_PACKET; - } - - if (pEpOutDesc != NULL) - { - pEpOutDesc->wMaxPacketSize = MSC_MAX_HS_PACKET; - } - - *length = (uint16_t)sizeof(USBD_MSC_CfgDesc); - return USBD_MSC_CfgDesc; -} - -/** - * @brief USBD_MSC_GetFSCfgDesc - * return configuration descriptor - * @param length : pointer data length - * @retval pointer to descriptor buffer - */ -uint8_t *USBD_MSC_GetFSCfgDesc(uint16_t *length) -{ - USBD_EpDescTypeDef *pEpInDesc = USBD_GetEpDesc(USBD_MSC_CfgDesc, MSC_EPIN_ADDR); - USBD_EpDescTypeDef *pEpOutDesc = USBD_GetEpDesc(USBD_MSC_CfgDesc, MSC_EPOUT_ADDR); - - if (pEpInDesc != NULL) - { - pEpInDesc->wMaxPacketSize = MSC_MAX_FS_PACKET; - } - - if (pEpOutDesc != NULL) - { - pEpOutDesc->wMaxPacketSize = MSC_MAX_FS_PACKET; - } - - *length = (uint16_t)sizeof(USBD_MSC_CfgDesc); - return USBD_MSC_CfgDesc; -} - -/** - * @brief USBD_MSC_GetOtherSpeedCfgDesc - * return other speed configuration descriptor - * @param length : pointer data length - * @retval pointer to descriptor buffer - */ -uint8_t *USBD_MSC_GetOtherSpeedCfgDesc(uint16_t *length) -{ - USBD_EpDescTypeDef *pEpInDesc = USBD_GetEpDesc(USBD_MSC_CfgDesc, MSC_EPIN_ADDR); - USBD_EpDescTypeDef *pEpOutDesc = USBD_GetEpDesc(USBD_MSC_CfgDesc, MSC_EPOUT_ADDR); - - if (pEpInDesc != NULL) - { - pEpInDesc->wMaxPacketSize = MSC_MAX_FS_PACKET; - } - - if (pEpOutDesc != NULL) - { - pEpOutDesc->wMaxPacketSize = MSC_MAX_FS_PACKET; - } - - *length = (uint16_t)sizeof(USBD_MSC_CfgDesc); - return USBD_MSC_CfgDesc; -} -/** - * @brief DeviceQualifierDescriptor - * return Device Qualifier descriptor - * @param length : pointer data length - * @retval pointer to descriptor buffer - */ -uint8_t *USBD_MSC_GetDeviceQualifierDescriptor(uint16_t *length) -{ - *length = (uint16_t)sizeof(USBD_MSC_DeviceQualifierDesc); - - return USBD_MSC_DeviceQualifierDesc; -} -#endif /* USE_USBD_COMPOSITE */ -/** - * @brief USBD_MSC_RegisterStorage - * @param fops: storage callback - * @retval status - */ -uint8_t USBD_MSC_RegisterStorage(USBD_HandleTypeDef *pdev, USBD_StorageTypeDef *fops) -{ - if (fops == NULL) - { - return (uint8_t)USBD_FAIL; - } - - pdev->pUserData[pdev->classId] = fops; - - return (uint8_t)USBD_OK; -} - -/** - * @} - */ - - -/** - * @} - */ - - -/** - * @} - */ - diff --git a/Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_bot.c b/Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_bot.c deleted file mode 100644 index c51b013..0000000 --- a/Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_bot.c +++ /dev/null @@ -1,478 +0,0 @@ -/** - ****************************************************************************** - * @file usbd_msc_bot.c - * @author MCD Application Team - * @brief This file provides all the BOT protocol core functions. - ****************************************************************************** - * @attention - * - * Copyright (c) 2015 STMicroelectronics. - * All rights reserved. - * - * This software is licensed under terms that can be found in the LICENSE file - * in the root directory of this software component. - * If no LICENSE file comes with this software, it is provided AS-IS. - * - ****************************************************************************** - */ - -/* BSPDependencies -- "stm32xxxxx_{eval}{discovery}{nucleo_144}.c" -- "stm32xxxxx_{eval}{discovery}_io.c" -- "stm32xxxxx_{eval}{discovery}{adafruit}_sd.c" -EndBSPDependencies */ - -/* Includes ------------------------------------------------------------------*/ -#include "usbd_msc_bot.h" -#include "usbd_msc.h" -#include "usbd_msc_scsi.h" -#include "usbd_ioreq.h" - -/** @addtogroup STM32_USB_DEVICE_LIBRARY - * @{ - */ - - -/** @defgroup MSC_BOT - * @brief BOT protocol module - * @{ - */ - -/** @defgroup MSC_BOT_Private_TypesDefinitions - * @{ - */ -/** - * @} - */ - - -/** @defgroup MSC_BOT_Private_Defines - * @{ - */ - -/** - * @} - */ - - -/** @defgroup MSC_BOT_Private_Macros - * @{ - */ -/** - * @} - */ - - -/** @defgroup MSC_BOT_Private_Variables - * @{ - */ -extern uint8_t MSCInEpAdd; -extern uint8_t MSCOutEpAdd; -/** - * @} - */ - - -/** @defgroup MSC_BOT_Private_FunctionPrototypes - * @{ - */ -static void MSC_BOT_SendData(USBD_HandleTypeDef *pdev, uint8_t *pbuf, uint32_t len); -static void MSC_BOT_CBW_Decode(USBD_HandleTypeDef *pdev); -static void MSC_BOT_Abort(USBD_HandleTypeDef *pdev); -/** - * @} - */ - - -/** @defgroup MSC_BOT_Private_Functions - * @{ - */ - - -/** - * @brief MSC_BOT_Init - * Initialize the BOT Process - * @param pdev: device instance - * @retval None - */ -void MSC_BOT_Init(USBD_HandleTypeDef *pdev) -{ - USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; - -#ifdef USE_USBD_COMPOSITE - /* Get the Endpoints addresses allocated for this class instance */ - MSCInEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_IN, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId); - MSCOutEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_OUT, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId); -#endif /* USE_USBD_COMPOSITE */ - - if (hmsc == NULL) - { - return; - } - - hmsc->bot_state = USBD_BOT_IDLE; - hmsc->bot_status = USBD_BOT_STATUS_NORMAL; - - hmsc->scsi_sense_tail = 0U; - hmsc->scsi_sense_head = 0U; - hmsc->scsi_medium_state = SCSI_MEDIUM_UNLOCKED; - - ((USBD_StorageTypeDef *)pdev->pUserData[pdev->classId])->Init(0U); - - (void)USBD_LL_FlushEP(pdev, MSCOutEpAdd); - (void)USBD_LL_FlushEP(pdev, MSCInEpAdd); - - /* Prepare EP to Receive First BOT Cmd */ - (void)USBD_LL_PrepareReceive(pdev, MSCOutEpAdd, (uint8_t *)&hmsc->cbw, - USBD_BOT_CBW_LENGTH); -} - -/** - * @brief MSC_BOT_Reset - * Reset the BOT Machine - * @param pdev: device instance - * @retval None - */ -void MSC_BOT_Reset(USBD_HandleTypeDef *pdev) -{ - USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; - -#ifdef USE_USBD_COMPOSITE - /* Get the Endpoints addresses allocated for this class instance */ - MSCInEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_IN, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId); - MSCOutEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_OUT, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId); -#endif /* USE_USBD_COMPOSITE */ - - if (hmsc == NULL) - { - return; - } - - hmsc->bot_state = USBD_BOT_IDLE; - hmsc->bot_status = USBD_BOT_STATUS_RECOVERY; - - (void)USBD_LL_ClearStallEP(pdev, MSCInEpAdd); - (void)USBD_LL_ClearStallEP(pdev, MSCOutEpAdd); - - /* Prepare EP to Receive First BOT Cmd */ - (void)USBD_LL_PrepareReceive(pdev, MSCOutEpAdd, (uint8_t *)&hmsc->cbw, - USBD_BOT_CBW_LENGTH); -} - -/** - * @brief MSC_BOT_DeInit - * DeInitialize the BOT Machine - * @param pdev: device instance - * @retval None - */ -void MSC_BOT_DeInit(USBD_HandleTypeDef *pdev) -{ - USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; - - if (hmsc != NULL) - { - hmsc->bot_state = USBD_BOT_IDLE; - } -} - -/** - * @brief MSC_BOT_DataIn - * Handle BOT IN data stage - * @param pdev: device instance - * @param epnum: endpoint index - * @retval None - */ -void MSC_BOT_DataIn(USBD_HandleTypeDef *pdev, uint8_t epnum) -{ - UNUSED(epnum); - - USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; - - if (hmsc == NULL) - { - return; - } - - switch (hmsc->bot_state) - { - case USBD_BOT_DATA_IN: - if (SCSI_ProcessCmd(pdev, hmsc->cbw.bLUN, &hmsc->cbw.CB[0]) < 0) - { - MSC_BOT_SendCSW(pdev, USBD_CSW_CMD_FAILED); - } - break; - - case USBD_BOT_SEND_DATA: - case USBD_BOT_LAST_DATA_IN: - MSC_BOT_SendCSW(pdev, USBD_CSW_CMD_PASSED); - break; - - default: - break; - } -} -/** - * @brief MSC_BOT_DataOut - * Process MSC OUT data - * @param pdev: device instance - * @param epnum: endpoint index - * @retval None - */ -void MSC_BOT_DataOut(USBD_HandleTypeDef *pdev, uint8_t epnum) -{ - UNUSED(epnum); - - USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; - - if (hmsc == NULL) - { - return; - } - - switch (hmsc->bot_state) - { - case USBD_BOT_IDLE: - MSC_BOT_CBW_Decode(pdev); - break; - - case USBD_BOT_DATA_OUT: - if (SCSI_ProcessCmd(pdev, hmsc->cbw.bLUN, &hmsc->cbw.CB[0]) < 0) - { - MSC_BOT_SendCSW(pdev, USBD_CSW_CMD_FAILED); - } - break; - - default: - break; - } -} - -/** - * @brief MSC_BOT_CBW_Decode - * Decode the CBW command and set the BOT state machine accordingly - * @param pdev: device instance - * @retval None - */ -static void MSC_BOT_CBW_Decode(USBD_HandleTypeDef *pdev) -{ - USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; - -#ifdef USE_USBD_COMPOSITE - /* Get the Endpoints addresses allocated for this class instance */ - MSCInEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_IN, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId); - MSCOutEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_OUT, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId); -#endif /* USE_USBD_COMPOSITE */ - - if (hmsc == NULL) - { - return; - } - - hmsc->csw.dTag = hmsc->cbw.dTag; - hmsc->csw.dDataResidue = hmsc->cbw.dDataLength; - - if ((USBD_LL_GetRxDataSize(pdev, MSCOutEpAdd) != USBD_BOT_CBW_LENGTH) || - (hmsc->cbw.dSignature != USBD_BOT_CBW_SIGNATURE) || - (hmsc->cbw.bLUN > 1U) || (hmsc->cbw.bCBLength < 1U) || - (hmsc->cbw.bCBLength > 16U)) - { - SCSI_SenseCode(pdev, hmsc->cbw.bLUN, ILLEGAL_REQUEST, INVALID_CDB); - - hmsc->bot_status = USBD_BOT_STATUS_ERROR; - MSC_BOT_Abort(pdev); - } - else - { - if (SCSI_ProcessCmd(pdev, hmsc->cbw.bLUN, &hmsc->cbw.CB[0]) < 0) - { - if (hmsc->bot_state == USBD_BOT_NO_DATA) - { - MSC_BOT_SendCSW(pdev, USBD_CSW_CMD_FAILED); - } - else - { - MSC_BOT_Abort(pdev); - } - } - /* Burst xfer handled internally */ - else if ((hmsc->bot_state != USBD_BOT_DATA_IN) && - (hmsc->bot_state != USBD_BOT_DATA_OUT) && - (hmsc->bot_state != USBD_BOT_LAST_DATA_IN)) - { - if (hmsc->bot_data_length > 0U) - { - MSC_BOT_SendData(pdev, hmsc->bot_data, hmsc->bot_data_length); - } - else if (hmsc->bot_data_length == 0U) - { - MSC_BOT_SendCSW(pdev, USBD_CSW_CMD_PASSED); - } - else - { - MSC_BOT_Abort(pdev); - } - } - else - { - return; - } - } -} - -/** - * @brief MSC_BOT_SendData - * Send the requested data - * @param pdev: device instance - * @param buf: pointer to data buffer - * @param len: Data Length - * @retval None - */ -static void MSC_BOT_SendData(USBD_HandleTypeDef *pdev, uint8_t *pbuf, uint32_t len) -{ - USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; - - uint32_t length; - -#ifdef USE_USBD_COMPOSITE - /* Get the Endpoints addresses allocated for this class instance */ - MSCInEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_IN, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId); - MSCOutEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_OUT, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId); -#endif /* USE_USBD_COMPOSITE */ - - if (hmsc == NULL) - { - return; - } - - length = MIN(hmsc->cbw.dDataLength, len); - - hmsc->csw.dDataResidue -= len; - hmsc->csw.bStatus = USBD_CSW_CMD_PASSED; - hmsc->bot_state = USBD_BOT_SEND_DATA; - - (void)USBD_LL_Transmit(pdev, MSCInEpAdd, pbuf, length); -} - -/** - * @brief MSC_BOT_SendCSW - * Send the Command Status Wrapper - * @param pdev: device instance - * @param status : CSW status - * @retval None - */ -void MSC_BOT_SendCSW(USBD_HandleTypeDef *pdev, uint8_t CSW_Status) -{ - USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; - -#ifdef USE_USBD_COMPOSITE - /* Get the Endpoints addresses allocated for this class instance */ - MSCInEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_IN, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId); - MSCOutEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_OUT, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId); -#endif /* USE_USBD_COMPOSITE */ - - if (hmsc == NULL) - { - return; - } - - hmsc->csw.dSignature = USBD_BOT_CSW_SIGNATURE; - hmsc->csw.bStatus = CSW_Status; - hmsc->bot_state = USBD_BOT_IDLE; - - (void)USBD_LL_Transmit(pdev, MSCInEpAdd, (uint8_t *)&hmsc->csw, - USBD_BOT_CSW_LENGTH); - - /* Prepare EP to Receive next Cmd */ - (void)USBD_LL_PrepareReceive(pdev, MSCOutEpAdd, (uint8_t *)&hmsc->cbw, - USBD_BOT_CBW_LENGTH); -} - -/** - * @brief MSC_BOT_Abort - * Abort the current transfer - * @param pdev: device instance - * @retval status - */ - -static void MSC_BOT_Abort(USBD_HandleTypeDef *pdev) -{ - USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; - -#ifdef USE_USBD_COMPOSITE - /* Get the Endpoints addresses allocated for this class instance */ - MSCInEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_IN, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId); - MSCOutEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_OUT, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId); -#endif /* USE_USBD_COMPOSITE */ - - if (hmsc == NULL) - { - return; - } - - if ((hmsc->cbw.bmFlags == 0U) && - (hmsc->cbw.dDataLength != 0U) && - (hmsc->bot_status == USBD_BOT_STATUS_NORMAL)) - { - (void)USBD_LL_StallEP(pdev, MSCOutEpAdd); - } - - (void)USBD_LL_StallEP(pdev, MSCInEpAdd); - - if (hmsc->bot_status == USBD_BOT_STATUS_ERROR) - { - (void)USBD_LL_StallEP(pdev, MSCInEpAdd); - (void)USBD_LL_StallEP(pdev, MSCOutEpAdd); - } -} - -/** - * @brief MSC_BOT_CplClrFeature - * Complete the clear feature request - * @param pdev: device instance - * @param epnum: endpoint index - * @retval None - */ - -void MSC_BOT_CplClrFeature(USBD_HandleTypeDef *pdev, uint8_t epnum) -{ - USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; - -#ifdef USE_USBD_COMPOSITE - /* Get the Endpoints addresses allocated for this class instance */ - MSCInEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_IN, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId); - MSCOutEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_OUT, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId); -#endif /* USE_USBD_COMPOSITE */ - - if (hmsc == NULL) - { - return; - } - - if (hmsc->bot_status == USBD_BOT_STATUS_ERROR) /* Bad CBW Signature */ - { - (void)USBD_LL_StallEP(pdev, MSCInEpAdd); - (void)USBD_LL_StallEP(pdev, MSCOutEpAdd); - } - else if (((epnum & 0x80U) == 0x80U) && (hmsc->bot_status != USBD_BOT_STATUS_RECOVERY)) - { - MSC_BOT_SendCSW(pdev, USBD_CSW_CMD_FAILED); - } - else - { - return; - } -} -/** - * @} - */ - - -/** - * @} - */ - - -/** - * @} - */ - diff --git a/Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_data.c b/Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_data.c deleted file mode 100644 index 1641c20..0000000 --- a/Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_data.c +++ /dev/null @@ -1,151 +0,0 @@ -/** - ****************************************************************************** - * @file usbd_msc_data.c - * @author MCD Application Team - * @brief This file provides all the vital inquiry pages and sense data. - ****************************************************************************** - * @attention - * - * Copyright (c) 2015 STMicroelectronics. - * All rights reserved. - * - * This software is licensed under terms that can be found in the LICENSE file - * in the root directory of this software component. - * If no LICENSE file comes with this software, it is provided AS-IS. - * - ****************************************************************************** - */ - -/* BSPDependencies -- "stm32xxxxx_{eval}{discovery}{nucleo_144}.c" -- "stm32xxxxx_{eval}{discovery}_io.c" -- "stm32xxxxx_{eval}{discovery}{adafruit}_sd.c" -EndBSPDependencies */ - -/* Includes ------------------------------------------------------------------*/ -#include "usbd_msc_data.h" - - -/** @addtogroup STM32_USB_DEVICE_LIBRARY - * @{ - */ - - -/** @defgroup MSC_DATA - * @brief Mass storage info/data module - * @{ - */ - -/** @defgroup MSC_DATA_Private_TypesDefinitions - * @{ - */ -/** - * @} - */ - - -/** @defgroup MSC_DATA_Private_Defines - * @{ - */ -/** - * @} - */ - - -/** @defgroup MSC_DATA_Private_Macros - * @{ - */ -/** - * @} - */ - - -/** @defgroup MSC_DATA_Private_Variables - * @{ - */ - -/* USB Mass storage Page 0 Inquiry Data */ -uint8_t MSC_Page00_Inquiry_Data[LENGTH_INQUIRY_PAGE00] = -{ - 0x00, - 0x00, - 0x00, - (LENGTH_INQUIRY_PAGE00 - 4U), - 0x00, - 0x80 -}; - -/* USB Mass storage VPD Page 0x80 Inquiry Data for Unit Serial Number */ -uint8_t MSC_Page80_Inquiry_Data[LENGTH_INQUIRY_PAGE80] = -{ - 0x00, - 0x80, - 0x00, - LENGTH_INQUIRY_PAGE80, - 0x20, /* Put Product Serial number */ - 0x20, - 0x20, - 0x20 -}; - -/* USB Mass storage sense 6 Data */ -uint8_t MSC_Mode_Sense6_data[MODE_SENSE6_LEN] = -{ - 0x03, /* MODE DATA LENGTH. The number of bytes that follow. */ - 0x00, /* MEDIUM TYPE. 00h for SBC devices. */ - 0x00, /* DEVICE-SPECIFIC PARAMETER. For SBC devices: - * bit 7: WP. Set to 1 if the media is write-protected. - * bits 6..5: reserved - * bit 4: DPOFUA. Set to 1 if the device supports the DPO and FUA bits - * bits 3..0: reserved */ - 0x00 /* BLOCK DESCRIPTOR LENGTH */ -}; - - -/* USB Mass storage sense 10 Data */ -uint8_t MSC_Mode_Sense10_data[MODE_SENSE10_LEN] = -{ - 0x00, /* MODE DATA LENGTH MSB. */ - 0x06, /* MODE DATA LENGTH LSB. The number of bytes that follow. */ - 0x00, /* MEDIUM TYPE. 00h for SBC devices. */ - 0x00, /* DEVICE-SPECIFIC PARAMETER. For SBC devices: - * bit 7: WP. Set to 1 if the media is write-protected. - * bits 6..5: reserved - * bit 4: DPOFUA. Set to 1 if the device supports the DPO and FUA bits - * bits 3..0: reserved */ - 0x00, /* LONGLBA Set to zero */ - 0x00, /* Reserved */ - 0x00, /* BLOCK DESCRIPTOR LENGTH MSB. */ - 0x00 /* BLOCK DESCRIPTOR LENGTH LSB. */ -}; -/** - * @} - */ - - -/** @defgroup MSC_DATA_Private_FunctionPrototypes - * @{ - */ -/** - * @} - */ - - -/** @defgroup MSC_DATA_Private_Functions - * @{ - */ - -/** - * @} - */ - - -/** - * @} - */ - - -/** - * @} - */ - diff --git a/Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_scsi.c b/Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_scsi.c deleted file mode 100644 index 3c0fe2f..0000000 --- a/Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_scsi.c +++ /dev/null @@ -1,1218 +0,0 @@ -/** - ****************************************************************************** - * @file usbd_msc_scsi.c - * @author MCD Application Team - * @brief This file provides all the USBD SCSI layer functions. - ****************************************************************************** - * @attention - * - * Copyright (c) 2015 STMicroelectronics. - * All rights reserved. - * - * This software is licensed under terms that can be found in the LICENSE file - * in the root directory of this software component. - * If no LICENSE file comes with this software, it is provided AS-IS. - * - ****************************************************************************** - */ - -/* BSPDependencies -- "stm32xxxxx_{eval}{discovery}{nucleo_144}.c" -- "stm32xxxxx_{eval}{discovery}_io.c" -- "stm32xxxxx_{eval}{discovery}{adafruit}_sd.c" -EndBSPDependencies */ - -/* Includes ------------------------------------------------------------------*/ -#include "usbd_msc_bot.h" -#include "usbd_msc_scsi.h" -#include "usbd_msc.h" -#include "usbd_msc_data.h" - - -/** @addtogroup STM32_USB_DEVICE_LIBRARY - * @{ - */ - - -/** @defgroup MSC_SCSI - * @brief Mass storage SCSI layer module - * @{ - */ - -/** @defgroup MSC_SCSI_Private_TypesDefinitions - * @{ - */ -/** - * @} - */ - - -/** @defgroup MSC_SCSI_Private_Defines - * @{ - */ - -/** - * @} - */ - - -/** @defgroup MSC_SCSI_Private_Macros - * @{ - */ -/** - * @} - */ - - -/** @defgroup MSC_SCSI_Private_Variables - * @{ - */ -extern uint8_t MSCInEpAdd; -extern uint8_t MSCOutEpAdd; -/** - * @} - */ - - -/** @defgroup MSC_SCSI_Private_FunctionPrototypes - * @{ - */ -static int8_t SCSI_TestUnitReady(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params); -static int8_t SCSI_Inquiry(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params); -static int8_t SCSI_ReadFormatCapacity(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params); -static int8_t SCSI_ReadCapacity10(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params); -static int8_t SCSI_ReadCapacity16(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params); -static int8_t SCSI_RequestSense(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params); -static int8_t SCSI_StartStopUnit(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params); -static int8_t SCSI_AllowPreventRemovable(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params); -static int8_t SCSI_ModeSense6(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params); -static int8_t SCSI_ModeSense10(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params); -static int8_t SCSI_Write10(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params); -static int8_t SCSI_Write12(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params); -static int8_t SCSI_Read10(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params); -static int8_t SCSI_Read12(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params); -static int8_t SCSI_Verify10(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params); -static int8_t SCSI_CheckAddressRange(USBD_HandleTypeDef *pdev, uint8_t lun, - uint32_t blk_offset, uint32_t blk_nbr); - -static int8_t SCSI_ProcessRead(USBD_HandleTypeDef *pdev, uint8_t lun); -static int8_t SCSI_ProcessWrite(USBD_HandleTypeDef *pdev, uint8_t lun); - -static int8_t SCSI_UpdateBotData(USBD_MSC_BOT_HandleTypeDef *hmsc, - uint8_t *pBuff, uint16_t length); -/** - * @} - */ - - -/** @defgroup MSC_SCSI_Private_Functions - * @{ - */ - - -/** - * @brief SCSI_ProcessCmd - * Process SCSI commands - * @param pdev: device instance - * @param lun: Logical unit number - * @param params: Command parameters - * @retval status - */ -int8_t SCSI_ProcessCmd(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *cmd) -{ - int8_t ret; - USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; - - if (hmsc == NULL) - { - return -1; - } - - switch (cmd[0]) - { - case SCSI_TEST_UNIT_READY: - ret = SCSI_TestUnitReady(pdev, lun, cmd); - break; - - case SCSI_REQUEST_SENSE: - ret = SCSI_RequestSense(pdev, lun, cmd); - break; - - case SCSI_INQUIRY: - ret = SCSI_Inquiry(pdev, lun, cmd); - break; - - case SCSI_START_STOP_UNIT: - ret = SCSI_StartStopUnit(pdev, lun, cmd); - break; - - case SCSI_ALLOW_MEDIUM_REMOVAL: - ret = SCSI_AllowPreventRemovable(pdev, lun, cmd); - break; - - case SCSI_MODE_SENSE6: - ret = SCSI_ModeSense6(pdev, lun, cmd); - break; - - case SCSI_MODE_SENSE10: - ret = SCSI_ModeSense10(pdev, lun, cmd); - break; - - case SCSI_READ_FORMAT_CAPACITIES: - ret = SCSI_ReadFormatCapacity(pdev, lun, cmd); - break; - - case SCSI_READ_CAPACITY10: - ret = SCSI_ReadCapacity10(pdev, lun, cmd); - break; - - case SCSI_READ_CAPACITY16: - ret = SCSI_ReadCapacity16(pdev, lun, cmd); - break; - - case SCSI_READ10: - ret = SCSI_Read10(pdev, lun, cmd); - break; - - case SCSI_READ12: - ret = SCSI_Read12(pdev, lun, cmd); - break; - - case SCSI_WRITE10: - ret = SCSI_Write10(pdev, lun, cmd); - break; - - case SCSI_WRITE12: - ret = SCSI_Write12(pdev, lun, cmd); - break; - - case SCSI_VERIFY10: - ret = SCSI_Verify10(pdev, lun, cmd); - break; - - default: - SCSI_SenseCode(pdev, lun, ILLEGAL_REQUEST, INVALID_CDB); - hmsc->bot_status = USBD_BOT_STATUS_ERROR; - ret = -1; - break; - } - - return ret; -} - - -/** - * @brief SCSI_TestUnitReady - * Process SCSI Test Unit Ready Command - * @param lun: Logical unit number - * @param params: Command parameters - * @retval status - */ -static int8_t SCSI_TestUnitReady(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params) -{ - UNUSED(params); - USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; - - if (hmsc == NULL) - { - return -1; - } - - /* case 9 : Hi > D0 */ - if (hmsc->cbw.dDataLength != 0U) - { - SCSI_SenseCode(pdev, hmsc->cbw.bLUN, ILLEGAL_REQUEST, INVALID_CDB); - - return -1; - } - - if (hmsc->scsi_medium_state == SCSI_MEDIUM_EJECTED) - { - SCSI_SenseCode(pdev, lun, NOT_READY, MEDIUM_NOT_PRESENT); - hmsc->bot_state = USBD_BOT_NO_DATA; - return -1; - } - - if (((USBD_StorageTypeDef *)pdev->pUserData[pdev->classId])->IsReady(lun) != 0) - { - SCSI_SenseCode(pdev, lun, NOT_READY, MEDIUM_NOT_PRESENT); - hmsc->bot_state = USBD_BOT_NO_DATA; - - return -1; - } - hmsc->bot_data_length = 0U; - - return 0; -} - - -/** - * @brief SCSI_Inquiry - * Process Inquiry command - * @param lun: Logical unit number - * @param params: Command parameters - * @retval status - */ -static int8_t SCSI_Inquiry(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params) -{ - uint8_t *pPage; - uint16_t len; - USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; - - if (hmsc == NULL) - { - return -1; - } - - if (hmsc->cbw.dDataLength == 0U) - { - SCSI_SenseCode(pdev, hmsc->cbw.bLUN, ILLEGAL_REQUEST, INVALID_CDB); - return -1; - } - - if ((params[1] & 0x01U) != 0U) /* Evpd is set */ - { - if (params[2] == 0U) /* Request for Supported Vital Product Data Pages*/ - { - (void)SCSI_UpdateBotData(hmsc, MSC_Page00_Inquiry_Data, LENGTH_INQUIRY_PAGE00); - } - else if (params[2] == 0x80U) /* Request for VPD page 0x80 Unit Serial Number */ - { - (void)SCSI_UpdateBotData(hmsc, MSC_Page80_Inquiry_Data, LENGTH_INQUIRY_PAGE80); - } - else /* Request Not supported */ - { - SCSI_SenseCode(pdev, hmsc->cbw.bLUN, ILLEGAL_REQUEST, - INVALID_FIELED_IN_COMMAND); - - return -1; - } - } - else - { - - pPage = (uint8_t *) & ((USBD_StorageTypeDef *)pdev->pUserData[pdev->classId]) \ - ->pInquiry[lun * STANDARD_INQUIRY_DATA_LEN]; - len = (uint16_t)pPage[4] + 5U; - - if (params[4] <= len) - { - len = params[4]; - } - - (void)SCSI_UpdateBotData(hmsc, pPage, len); - } - - return 0; -} - - -/** - * @brief SCSI_ReadCapacity10 - * Process Read Capacity 10 command - * @param lun: Logical unit number - * @param params: Command parameters - * @retval status - */ -static int8_t SCSI_ReadCapacity10(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params) -{ - UNUSED(params); - int8_t ret; - USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; - - if (hmsc == NULL) - { - return -1; - } - - ret = ((USBD_StorageTypeDef *)pdev->pUserData[pdev->classId])->GetCapacity(lun, &hmsc->scsi_blk_nbr, - &hmsc->scsi_blk_size); - - if ((ret != 0) || (hmsc->scsi_medium_state == SCSI_MEDIUM_EJECTED)) - { - SCSI_SenseCode(pdev, lun, NOT_READY, MEDIUM_NOT_PRESENT); - return -1; - } - - hmsc->bot_data[0] = (uint8_t)((hmsc->scsi_blk_nbr - 1U) >> 24); - hmsc->bot_data[1] = (uint8_t)((hmsc->scsi_blk_nbr - 1U) >> 16); - hmsc->bot_data[2] = (uint8_t)((hmsc->scsi_blk_nbr - 1U) >> 8); - hmsc->bot_data[3] = (uint8_t)(hmsc->scsi_blk_nbr - 1U); - - hmsc->bot_data[4] = (uint8_t)(hmsc->scsi_blk_size >> 24); - hmsc->bot_data[5] = (uint8_t)(hmsc->scsi_blk_size >> 16); - hmsc->bot_data[6] = (uint8_t)(hmsc->scsi_blk_size >> 8); - hmsc->bot_data[7] = (uint8_t)(hmsc->scsi_blk_size); - - hmsc->bot_data_length = 8U; - - return 0; - -} - - -/** - * @brief SCSI_ReadCapacity16 - * Process Read Capacity 16 command - * @param lun: Logical unit number - * @param params: Command parameters - * @retval status - */ -static int8_t SCSI_ReadCapacity16(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params) -{ - UNUSED(params); - uint32_t idx; - int8_t ret; - USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; - - if (hmsc == NULL) - { - return -1; - } - - ret = ((USBD_StorageTypeDef *)pdev->pUserData[pdev->classId])->GetCapacity(lun, &hmsc->scsi_blk_nbr, - &hmsc->scsi_blk_size); - - if ((ret != 0) || (hmsc->scsi_medium_state == SCSI_MEDIUM_EJECTED)) - { - SCSI_SenseCode(pdev, lun, NOT_READY, MEDIUM_NOT_PRESENT); - return -1; - } - - hmsc->bot_data_length = ((uint32_t)params[10] << 24) | - ((uint32_t)params[11] << 16) | - ((uint32_t)params[12] << 8) | - (uint32_t)params[13]; - - for (idx = 0U; idx < hmsc->bot_data_length; idx++) - { - hmsc->bot_data[idx] = 0U; - } - - hmsc->bot_data[4] = (uint8_t)((hmsc->scsi_blk_nbr - 1U) >> 24); - hmsc->bot_data[5] = (uint8_t)((hmsc->scsi_blk_nbr - 1U) >> 16); - hmsc->bot_data[6] = (uint8_t)((hmsc->scsi_blk_nbr - 1U) >> 8); - hmsc->bot_data[7] = (uint8_t)(hmsc->scsi_blk_nbr - 1U); - - hmsc->bot_data[8] = (uint8_t)(hmsc->scsi_blk_size >> 24); - hmsc->bot_data[9] = (uint8_t)(hmsc->scsi_blk_size >> 16); - hmsc->bot_data[10] = (uint8_t)(hmsc->scsi_blk_size >> 8); - hmsc->bot_data[11] = (uint8_t)(hmsc->scsi_blk_size); - - hmsc->bot_data_length = ((uint32_t)params[10] << 24) | - ((uint32_t)params[11] << 16) | - ((uint32_t)params[12] << 8) | - (uint32_t)params[13]; - - return 0; -} - - -/** - * @brief SCSI_ReadFormatCapacity - * Process Read Format Capacity command - * @param lun: Logical unit number - * @param params: Command parameters - * @retval status - */ -static int8_t SCSI_ReadFormatCapacity(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params) -{ - UNUSED(params); - uint16_t blk_size; - uint32_t blk_nbr; - uint16_t i; - int8_t ret; - USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; - - if (hmsc == NULL) - { - return -1; - } - - ret = ((USBD_StorageTypeDef *)pdev->pUserData[pdev->classId])->GetCapacity(lun, &blk_nbr, &blk_size); - - if ((ret != 0) || (hmsc->scsi_medium_state == SCSI_MEDIUM_EJECTED)) - { - SCSI_SenseCode(pdev, lun, NOT_READY, MEDIUM_NOT_PRESENT); - return -1; - } - - for (i = 0U; i < 12U ; i++) - { - hmsc->bot_data[i] = 0U; - } - - hmsc->bot_data[3] = 0x08U; - hmsc->bot_data[4] = (uint8_t)((blk_nbr - 1U) >> 24); - hmsc->bot_data[5] = (uint8_t)((blk_nbr - 1U) >> 16); - hmsc->bot_data[6] = (uint8_t)((blk_nbr - 1U) >> 8); - hmsc->bot_data[7] = (uint8_t)(blk_nbr - 1U); - - hmsc->bot_data[8] = 0x02U; - hmsc->bot_data[9] = (uint8_t)(blk_size >> 16); - hmsc->bot_data[10] = (uint8_t)(blk_size >> 8); - hmsc->bot_data[11] = (uint8_t)(blk_size); - - hmsc->bot_data_length = 12U; - - return 0; -} - - -/** - * @brief SCSI_ModeSense6 - * Process Mode Sense6 command - * @param lun: Logical unit number - * @param params: Command parameters - * @retval status - */ -static int8_t SCSI_ModeSense6(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params) -{ - UNUSED(lun); - USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; - uint16_t len = MODE_SENSE6_LEN; - - if (hmsc == NULL) - { - return -1; - } - - /* Check If media is write-protected */ - if (((USBD_StorageTypeDef *)pdev->pUserData[pdev->classId])->IsWriteProtected(lun) != 0) - { - MSC_Mode_Sense6_data[2] |= 0x80U; - } - - if (params[4] <= len) - { - len = params[4]; - } - - (void)SCSI_UpdateBotData(hmsc, MSC_Mode_Sense6_data, len); - - return 0; -} - - -/** - * @brief SCSI_ModeSense10 - * Process Mode Sense10 command - * @param lun: Logical unit number - * @param params: Command parameters - * @retval status - */ -static int8_t SCSI_ModeSense10(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params) -{ - UNUSED(lun); - USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; - uint16_t len = MODE_SENSE10_LEN; - - if (hmsc == NULL) - { - return -1; - } - - /* Check If media is write-protected */ - if (((USBD_StorageTypeDef *)pdev->pUserData[pdev->classId])->IsWriteProtected(lun) != 0) - { - MSC_Mode_Sense10_data[3] |= 0x80U; - } - - if (params[8] <= len) - { - len = params[8]; - } - - (void)SCSI_UpdateBotData(hmsc, MSC_Mode_Sense10_data, len); - - return 0; -} - - -/** - * @brief SCSI_RequestSense - * Process Request Sense command - * @param lun: Logical unit number - * @param params: Command parameters - * @retval status - */ -static int8_t SCSI_RequestSense(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params) -{ - UNUSED(lun); - uint8_t i; - USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; - - if (hmsc == NULL) - { - return -1; - } - - if (hmsc->cbw.dDataLength == 0U) - { - SCSI_SenseCode(pdev, hmsc->cbw.bLUN, ILLEGAL_REQUEST, INVALID_CDB); - return -1; - } - - for (i = 0U; i < REQUEST_SENSE_DATA_LEN; i++) - { - hmsc->bot_data[i] = 0U; - } - - hmsc->bot_data[0] = 0x70U; - hmsc->bot_data[7] = REQUEST_SENSE_DATA_LEN - 6U; - - if ((hmsc->scsi_sense_head != hmsc->scsi_sense_tail)) - { - hmsc->bot_data[2] = (uint8_t)hmsc->scsi_sense[hmsc->scsi_sense_head].Skey; - hmsc->bot_data[12] = (uint8_t)hmsc->scsi_sense[hmsc->scsi_sense_head].w.b.ASC; - hmsc->bot_data[13] = (uint8_t)hmsc->scsi_sense[hmsc->scsi_sense_head].w.b.ASCQ; - hmsc->scsi_sense_head++; - - if (hmsc->scsi_sense_head == SENSE_LIST_DEEPTH) - { - hmsc->scsi_sense_head = 0U; - } - } - - hmsc->bot_data_length = REQUEST_SENSE_DATA_LEN; - - if (params[4] <= REQUEST_SENSE_DATA_LEN) - { - hmsc->bot_data_length = params[4]; - } - - return 0; -} - - -/** - * @brief SCSI_SenseCode - * Load the last error code in the error list - * @param lun: Logical unit number - * @param sKey: Sense Key - * @param ASC: Additional Sense Code - * @retval none - - */ -void SCSI_SenseCode(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t sKey, uint8_t ASC) -{ - UNUSED(lun); - USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; - - if (hmsc == NULL) - { - return; - } - - hmsc->scsi_sense[hmsc->scsi_sense_tail].Skey = sKey; - hmsc->scsi_sense[hmsc->scsi_sense_tail].w.b.ASC = ASC; - hmsc->scsi_sense[hmsc->scsi_sense_tail].w.b.ASCQ = 0U; - hmsc->scsi_sense_tail++; - - if (hmsc->scsi_sense_tail == SENSE_LIST_DEEPTH) - { - hmsc->scsi_sense_tail = 0U; - } -} - - -/** - * @brief SCSI_StartStopUnit - * Process Start Stop Unit command - * @param lun: Logical unit number - * @param params: Command parameters - * @retval status - */ -static int8_t SCSI_StartStopUnit(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params) -{ - UNUSED(lun); - USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; - - if (hmsc == NULL) - { - return -1; - } - - if ((hmsc->scsi_medium_state == SCSI_MEDIUM_LOCKED) && ((params[4] & 0x3U) == 2U)) - { - SCSI_SenseCode(pdev, lun, ILLEGAL_REQUEST, INVALID_FIELED_IN_COMMAND); - - return -1; - } - - if ((params[4] & 0x3U) == 0x1U) /* START=1 */ - { - hmsc->scsi_medium_state = SCSI_MEDIUM_UNLOCKED; - } - else if ((params[4] & 0x3U) == 0x2U) /* START=0 and LOEJ Load Eject=1 */ - { - hmsc->scsi_medium_state = SCSI_MEDIUM_EJECTED; - } - else if ((params[4] & 0x3U) == 0x3U) /* START=1 and LOEJ Load Eject=1 */ - { - hmsc->scsi_medium_state = SCSI_MEDIUM_UNLOCKED; - } - else - { - /* .. */ - } - hmsc->bot_data_length = 0U; - - return 0; -} - - -/** - * @brief SCSI_AllowPreventRemovable - * Process Allow Prevent Removable medium command - * @param lun: Logical unit number - * @param params: Command parameters - * @retval status - */ -static int8_t SCSI_AllowPreventRemovable(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params) -{ - UNUSED(lun); - USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; - - if (hmsc == NULL) - { - return -1; - } - - if (params[4] == 0U) - { - hmsc->scsi_medium_state = SCSI_MEDIUM_UNLOCKED; - } - else - { - hmsc->scsi_medium_state = SCSI_MEDIUM_LOCKED; - } - - hmsc->bot_data_length = 0U; - - return 0; -} - - -/** - * @brief SCSI_Read10 - * Process Read10 command - * @param lun: Logical unit number - * @param params: Command parameters - * @retval status - */ -static int8_t SCSI_Read10(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params) -{ - USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; - - if (hmsc == NULL) - { - return -1; - } - - if (hmsc->bot_state == USBD_BOT_IDLE) /* Idle */ - { - /* case 10 : Ho <> Di */ - if ((hmsc->cbw.bmFlags & 0x80U) != 0x80U) - { - SCSI_SenseCode(pdev, hmsc->cbw.bLUN, ILLEGAL_REQUEST, INVALID_CDB); - return -1; - } - - if (hmsc->scsi_medium_state == SCSI_MEDIUM_EJECTED) - { - SCSI_SenseCode(pdev, lun, NOT_READY, MEDIUM_NOT_PRESENT); - - return -1; - } - - if (((USBD_StorageTypeDef *)pdev->pUserData[pdev->classId])->IsReady(lun) != 0) - { - SCSI_SenseCode(pdev, lun, NOT_READY, MEDIUM_NOT_PRESENT); - return -1; - } - - hmsc->scsi_blk_addr = ((uint32_t)params[2] << 24) | - ((uint32_t)params[3] << 16) | - ((uint32_t)params[4] << 8) | - (uint32_t)params[5]; - - hmsc->scsi_blk_len = ((uint32_t)params[7] << 8) | (uint32_t)params[8]; - - if (SCSI_CheckAddressRange(pdev, lun, hmsc->scsi_blk_addr, - hmsc->scsi_blk_len) < 0) - { - return -1; /* error */ - } - - /* cases 4,5 : Hi <> Dn */ - if (hmsc->cbw.dDataLength != (hmsc->scsi_blk_len * hmsc->scsi_blk_size)) - { - SCSI_SenseCode(pdev, hmsc->cbw.bLUN, ILLEGAL_REQUEST, INVALID_CDB); - return -1; - } - - hmsc->bot_state = USBD_BOT_DATA_IN; - } - hmsc->bot_data_length = MSC_MEDIA_PACKET; - - return SCSI_ProcessRead(pdev, lun); -} - - -/** - * @brief SCSI_Read12 - * Process Read12 command - * @param lun: Logical unit number - * @param params: Command parameters - * @retval status - */ -static int8_t SCSI_Read12(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params) -{ - USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; - - if (hmsc == NULL) - { - return -1; - } - - if (hmsc->bot_state == USBD_BOT_IDLE) /* Idle */ - { - /* case 10 : Ho <> Di */ - if ((hmsc->cbw.bmFlags & 0x80U) != 0x80U) - { - SCSI_SenseCode(pdev, hmsc->cbw.bLUN, ILLEGAL_REQUEST, INVALID_CDB); - return -1; - } - - if (hmsc->scsi_medium_state == SCSI_MEDIUM_EJECTED) - { - SCSI_SenseCode(pdev, lun, NOT_READY, MEDIUM_NOT_PRESENT); - return -1; - } - - if (((USBD_StorageTypeDef *)pdev->pUserData[pdev->classId])->IsReady(lun) != 0) - { - SCSI_SenseCode(pdev, lun, NOT_READY, MEDIUM_NOT_PRESENT); - return -1; - } - - hmsc->scsi_blk_addr = ((uint32_t)params[2] << 24) | - ((uint32_t)params[3] << 16) | - ((uint32_t)params[4] << 8) | - (uint32_t)params[5]; - - hmsc->scsi_blk_len = ((uint32_t)params[6] << 24) | - ((uint32_t)params[7] << 16) | - ((uint32_t)params[8] << 8) | - (uint32_t)params[9]; - - if (SCSI_CheckAddressRange(pdev, lun, hmsc->scsi_blk_addr, - hmsc->scsi_blk_len) < 0) - { - return -1; /* error */ - } - - /* cases 4,5 : Hi <> Dn */ - if (hmsc->cbw.dDataLength != (hmsc->scsi_blk_len * hmsc->scsi_blk_size)) - { - SCSI_SenseCode(pdev, hmsc->cbw.bLUN, ILLEGAL_REQUEST, INVALID_CDB); - return -1; - } - - hmsc->bot_state = USBD_BOT_DATA_IN; - } - hmsc->bot_data_length = MSC_MEDIA_PACKET; - - return SCSI_ProcessRead(pdev, lun); -} - - -/** - * @brief SCSI_Write10 - * Process Write10 command - * @param lun: Logical unit number - * @param params: Command parameters - * @retval status - */ -static int8_t SCSI_Write10(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params) -{ - USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; - uint32_t len; - - if (hmsc == NULL) - { - return -1; - } - -#ifdef USE_USBD_COMPOSITE - /* Get the Endpoints addresses allocated for this class instance */ - MSCOutEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_OUT, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId); -#endif /* USE_USBD_COMPOSITE */ - - if (hmsc->bot_state == USBD_BOT_IDLE) /* Idle */ - { - if (hmsc->cbw.dDataLength == 0U) - { - SCSI_SenseCode(pdev, hmsc->cbw.bLUN, ILLEGAL_REQUEST, INVALID_CDB); - return -1; - } - - /* case 8 : Hi <> Do */ - if ((hmsc->cbw.bmFlags & 0x80U) == 0x80U) - { - SCSI_SenseCode(pdev, hmsc->cbw.bLUN, ILLEGAL_REQUEST, INVALID_CDB); - return -1; - } - - /* Check whether Media is ready */ - if (((USBD_StorageTypeDef *)pdev->pUserData[pdev->classId])->IsReady(lun) != 0) - { - SCSI_SenseCode(pdev, lun, NOT_READY, MEDIUM_NOT_PRESENT); - return -1; - } - - /* Check If media is write-protected */ - if (((USBD_StorageTypeDef *)pdev->pUserData[pdev->classId])->IsWriteProtected(lun) != 0) - { - SCSI_SenseCode(pdev, lun, NOT_READY, WRITE_PROTECTED); - return -1; - } - - hmsc->scsi_blk_addr = ((uint32_t)params[2] << 24) | - ((uint32_t)params[3] << 16) | - ((uint32_t)params[4] << 8) | - (uint32_t)params[5]; - - hmsc->scsi_blk_len = ((uint32_t)params[7] << 8) | - (uint32_t)params[8]; - - /* check if LBA address is in the right range */ - if (SCSI_CheckAddressRange(pdev, lun, hmsc->scsi_blk_addr, - hmsc->scsi_blk_len) < 0) - { - return -1; /* error */ - } - - len = hmsc->scsi_blk_len * hmsc->scsi_blk_size; - - /* cases 3,11,13 : Hn,Ho <> D0 */ - if (hmsc->cbw.dDataLength != len) - { - SCSI_SenseCode(pdev, hmsc->cbw.bLUN, ILLEGAL_REQUEST, INVALID_CDB); - return -1; - } - - len = MIN(len, MSC_MEDIA_PACKET); - - /* Prepare EP to receive first data packet */ - hmsc->bot_state = USBD_BOT_DATA_OUT; - (void)USBD_LL_PrepareReceive(pdev, MSCOutEpAdd, hmsc->bot_data, len); - } - else /* Write Process ongoing */ - { - return SCSI_ProcessWrite(pdev, lun); - } - - return 0; -} - - -/** - * @brief SCSI_Write12 - * Process Write12 command - * @param lun: Logical unit number - * @param params: Command parameters - * @retval status - */ -static int8_t SCSI_Write12(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params) -{ - USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; - uint32_t len; - - if (hmsc == NULL) - { - return -1; - } -#ifdef USE_USBD_COMPOSITE - /* Get the Endpoints addresses allocated for this class instance */ - MSCOutEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_OUT, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId); -#endif /* USE_USBD_COMPOSITE */ - - if (hmsc->bot_state == USBD_BOT_IDLE) /* Idle */ - { - if (hmsc->cbw.dDataLength == 0U) - { - SCSI_SenseCode(pdev, hmsc->cbw.bLUN, ILLEGAL_REQUEST, INVALID_CDB); - return -1; - } - - /* case 8 : Hi <> Do */ - if ((hmsc->cbw.bmFlags & 0x80U) == 0x80U) - { - SCSI_SenseCode(pdev, hmsc->cbw.bLUN, ILLEGAL_REQUEST, INVALID_CDB); - return -1; - } - - /* Check whether Media is ready */ - if (((USBD_StorageTypeDef *)pdev->pUserData[pdev->classId])->IsReady(lun) != 0) - { - SCSI_SenseCode(pdev, lun, NOT_READY, MEDIUM_NOT_PRESENT); - hmsc->bot_state = USBD_BOT_NO_DATA; - return -1; - } - - /* Check If media is write-protected */ - if (((USBD_StorageTypeDef *)pdev->pUserData[pdev->classId])->IsWriteProtected(lun) != 0) - { - SCSI_SenseCode(pdev, lun, NOT_READY, WRITE_PROTECTED); - hmsc->bot_state = USBD_BOT_NO_DATA; - return -1; - } - - hmsc->scsi_blk_addr = ((uint32_t)params[2] << 24) | - ((uint32_t)params[3] << 16) | - ((uint32_t)params[4] << 8) | - (uint32_t)params[5]; - - hmsc->scsi_blk_len = ((uint32_t)params[6] << 24) | - ((uint32_t)params[7] << 16) | - ((uint32_t)params[8] << 8) | - (uint32_t)params[9]; - - /* check if LBA address is in the right range */ - if (SCSI_CheckAddressRange(pdev, lun, hmsc->scsi_blk_addr, - hmsc->scsi_blk_len) < 0) - { - return -1; /* error */ - } - - len = hmsc->scsi_blk_len * hmsc->scsi_blk_size; - - /* cases 3,11,13 : Hn,Ho <> D0 */ - if (hmsc->cbw.dDataLength != len) - { - SCSI_SenseCode(pdev, hmsc->cbw.bLUN, ILLEGAL_REQUEST, INVALID_CDB); - return -1; - } - - len = MIN(len, MSC_MEDIA_PACKET); - - /* Prepare EP to receive first data packet */ - hmsc->bot_state = USBD_BOT_DATA_OUT; - (void)USBD_LL_PrepareReceive(pdev, MSCOutEpAdd, hmsc->bot_data, len); - } - else /* Write Process ongoing */ - { - return SCSI_ProcessWrite(pdev, lun); - } - - return 0; -} - - -/** - * @brief SCSI_Verify10 - * Process Verify10 command - * @param lun: Logical unit number - * @param params: Command parameters - * @retval status - */ -static int8_t SCSI_Verify10(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params) -{ - USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; - - if (hmsc == NULL) - { - return -1; - } - - if ((params[1] & 0x02U) == 0x02U) - { - SCSI_SenseCode(pdev, lun, ILLEGAL_REQUEST, INVALID_FIELED_IN_COMMAND); - return -1; /* Error, Verify Mode Not supported*/ - } - - if (SCSI_CheckAddressRange(pdev, lun, hmsc->scsi_blk_addr, hmsc->scsi_blk_len) < 0) - { - return -1; /* error */ - } - - hmsc->bot_data_length = 0U; - - return 0; -} - -/** - * @brief SCSI_CheckAddressRange - * Check address range - * @param lun: Logical unit number - * @param blk_offset: first block address - * @param blk_nbr: number of block to be processed - * @retval status - */ -static int8_t SCSI_CheckAddressRange(USBD_HandleTypeDef *pdev, uint8_t lun, - uint32_t blk_offset, uint32_t blk_nbr) -{ - USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; - - if (hmsc == NULL) - { - return -1; - } - - if ((blk_offset + blk_nbr) > hmsc->scsi_blk_nbr) - { - SCSI_SenseCode(pdev, lun, ILLEGAL_REQUEST, ADDRESS_OUT_OF_RANGE); - return -1; - } - - return 0; -} - -/** - * @brief SCSI_ProcessRead - * Handle Read Process - * @param lun: Logical unit number - * @retval status - */ -static int8_t SCSI_ProcessRead(USBD_HandleTypeDef *pdev, uint8_t lun) -{ - USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; - uint32_t len; - - if (hmsc == NULL) - { - return -1; - } - - len = hmsc->scsi_blk_len * hmsc->scsi_blk_size; - -#ifdef USE_USBD_COMPOSITE - /* Get the Endpoints addresses allocated for this class instance */ - MSCInEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_IN, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId); -#endif /* USE_USBD_COMPOSITE */ - - len = MIN(len, MSC_MEDIA_PACKET); - - if (((USBD_StorageTypeDef *)pdev->pUserData[pdev->classId])->Read(lun, hmsc->bot_data, - hmsc->scsi_blk_addr, - (len / hmsc->scsi_blk_size)) < 0) - { - SCSI_SenseCode(pdev, lun, HARDWARE_ERROR, UNRECOVERED_READ_ERROR); - return -1; - } - - (void)USBD_LL_Transmit(pdev, MSCInEpAdd, hmsc->bot_data, len); - - hmsc->scsi_blk_addr += (len / hmsc->scsi_blk_size); - hmsc->scsi_blk_len -= (len / hmsc->scsi_blk_size); - - /* case 6 : Hi = Di */ - hmsc->csw.dDataResidue -= len; - - if (hmsc->scsi_blk_len == 0U) - { - hmsc->bot_state = USBD_BOT_LAST_DATA_IN; - } - - return 0; -} - -/** - * @brief SCSI_ProcessWrite - * Handle Write Process - * @param lun: Logical unit number - * @retval status - */ -static int8_t SCSI_ProcessWrite(USBD_HandleTypeDef *pdev, uint8_t lun) -{ - USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; - uint32_t len; - - if (hmsc == NULL) - { - return -1; - } - - len = hmsc->scsi_blk_len * hmsc->scsi_blk_size; - -#ifdef USE_USBD_COMPOSITE - /* Get the Endpoints addresses allocated for this class instance */ - MSCOutEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_OUT, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId); -#endif /* USE_USBD_COMPOSITE */ - - len = MIN(len, MSC_MEDIA_PACKET); - - if (((USBD_StorageTypeDef *)pdev->pUserData[pdev->classId])->Write(lun, hmsc->bot_data, - hmsc->scsi_blk_addr, - (len / hmsc->scsi_blk_size)) < 0) - { - SCSI_SenseCode(pdev, lun, HARDWARE_ERROR, WRITE_FAULT); - return -1; - } - - hmsc->scsi_blk_addr += (len / hmsc->scsi_blk_size); - hmsc->scsi_blk_len -= (len / hmsc->scsi_blk_size); - - /* case 12 : Ho = Do */ - hmsc->csw.dDataResidue -= len; - - if (hmsc->scsi_blk_len == 0U) - { - MSC_BOT_SendCSW(pdev, USBD_CSW_CMD_PASSED); - } - else - { - len = MIN((hmsc->scsi_blk_len * hmsc->scsi_blk_size), MSC_MEDIA_PACKET); - - /* Prepare EP to Receive next packet */ - (void)USBD_LL_PrepareReceive(pdev, MSCOutEpAdd, hmsc->bot_data, len); - } - - return 0; -} - - -/** - * @brief SCSI_UpdateBotData - * fill the requested Data to transmit buffer - * @param hmsc handler - * @param pBuff: Data buffer - * @param length: Data length - * @retval status - */ -static int8_t SCSI_UpdateBotData(USBD_MSC_BOT_HandleTypeDef *hmsc, - uint8_t *pBuff, uint16_t length) -{ - uint16_t len = length; - - if (hmsc == NULL) - { - return -1; - } - - hmsc->bot_data_length = len; - - while (len != 0U) - { - len--; - hmsc->bot_data[len] = pBuff[len]; - } - - return 0; -} -/** - * @} - */ - - -/** - * @} - */ - - -/** - * @} - */ - diff --git a/Ganesha_II_V2/USB_DEVICE/App/usb_device.c b/Ganesha_II_V2/USB_DEVICE/App/usb_device.c index 1e7d63e..5ff9ec7 100644 --- a/Ganesha_II_V2/USB_DEVICE/App/usb_device.c +++ b/Ganesha_II_V2/USB_DEVICE/App/usb_device.c @@ -23,8 +23,8 @@ #include "usb_device.h" #include "usbd_core.h" #include "usbd_desc.h" -#include "usbd_msc.h" -#include "usbd_storage_if.h" +#include "usbd_cdc.h" +#include "usbd_cdc_if.h" /* USER CODE BEGIN Includes */ @@ -72,11 +72,11 @@ void MX_USB_DEVICE_Init(void) { Error_Handler(); } - if (USBD_RegisterClass(&hUsbDeviceFS, &USBD_MSC) != USBD_OK) + if (USBD_RegisterClass(&hUsbDeviceFS, &USBD_CDC) != USBD_OK) { Error_Handler(); } - if (USBD_MSC_RegisterStorage(&hUsbDeviceFS, &USBD_Storage_Interface_fops_FS) != USBD_OK) + if (USBD_CDC_RegisterInterface(&hUsbDeviceFS, &USBD_Interface_fops_FS) != USBD_OK) { Error_Handler(); } diff --git a/Ganesha_II_V2/USB_DEVICE/App/usbd_desc.c b/Ganesha_II_V2/USB_DEVICE/App/usbd_desc.c index 73c9c2a..a18dd89 100644 --- a/Ganesha_II_V2/USB_DEVICE/App/usbd_desc.c +++ b/Ganesha_II_V2/USB_DEVICE/App/usbd_desc.c @@ -65,10 +65,10 @@ #define USBD_VID 1155 #define USBD_LANGID_STRING 1033 #define USBD_MANUFACTURER_STRING "STMicroelectronics" -#define USBD_PID_FS 22314 -#define USBD_PRODUCT_STRING_FS "STM32 Mass Storage" -#define USBD_CONFIGURATION_STRING_FS "MSC Config" -#define USBD_INTERFACE_STRING_FS "MSC Interface" +#define USBD_PID_FS 22336 +#define USBD_PRODUCT_STRING_FS "STM32 Virtual ComPort" +#define USBD_CONFIGURATION_STRING_FS "CDC Config" +#define USBD_INTERFACE_STRING_FS "CDC Interface" #define USB_SIZ_BOS_DESC 0x0C @@ -152,8 +152,8 @@ __ALIGN_BEGIN uint8_t USBD_FS_DeviceDesc[USB_LEN_DEV_DESC] __ALIGN_END = USB_DESC_TYPE_DEVICE, /*bDescriptorType*/ 0x00, /*bcdUSB */ 0x02, - 0x00, /*bDeviceClass*/ - 0x00, /*bDeviceSubClass*/ + 0x02, /*bDeviceClass*/ + 0x02, /*bDeviceSubClass*/ 0x00, /*bDeviceProtocol*/ USB_MAX_EP0_SIZE, /*bMaxPacketSize*/ LOBYTE(USBD_VID), /*idVendor*/ diff --git a/Ganesha_II_V2/USB_DEVICE/App/usbd_storage_if.c b/Ganesha_II_V2/USB_DEVICE/App/usbd_storage_if.c deleted file mode 100644 index 0408988..0000000 --- a/Ganesha_II_V2/USB_DEVICE/App/usbd_storage_if.c +++ /dev/null @@ -1,299 +0,0 @@ -/* USER CODE BEGIN Header */ -/** - ****************************************************************************** - * @file : usbd_storage_if.c - * @version : v1.0_Cube - * @brief : Memory management layer. - ****************************************************************************** - * @attention - * - * Copyright (c) 2026 STMicroelectronics. - * All rights reserved. - * - * This software is licensed under terms that can be found in the LICENSE file - * in the root directory of this software component. - * If no LICENSE file comes with this software, it is provided AS-IS. - * - ****************************************************************************** - */ -/* USER CODE END Header */ - -/* Includes ------------------------------------------------------------------*/ -#include "usbd_storage_if.h" - -/* USER CODE BEGIN INCLUDE */ -#include "gd5f1gq5xe.h" -/* USER CODE END INCLUDE */ - -/* Private typedef -----------------------------------------------------------*/ -/* Private define ------------------------------------------------------------*/ -/* Private macro -------------------------------------------------------------*/ - -/* USER CODE BEGIN PV */ -/* Private variables ---------------------------------------------------------*/ - -/* USER CODE END PV */ - -/** @addtogroup STM32_USB_OTG_DEVICE_LIBRARY - * @brief Usb device. - * @{ - */ - -/** @defgroup USBD_STORAGE - * @brief Usb mass storage device module - * @{ - */ - -/** @defgroup USBD_STORAGE_Private_TypesDefinitions - * @brief Private types. - * @{ - */ - -/* USER CODE BEGIN PRIVATE_TYPES */ - -/* USER CODE END PRIVATE_TYPES */ - -/** - * @} - */ - -/** @defgroup USBD_STORAGE_Private_Defines - * @brief Private defines. - * @{ - */ - -#define STORAGE_LUN_NBR 1 -#define STORAGE_BLK_NBR 0x10000 -#define STORAGE_BLK_SIZ 0x200 - -/* USER CODE BEGIN PRIVATE_DEFINES */ - -/* USER CODE END PRIVATE_DEFINES */ - -/** - * @} - */ - -/** @defgroup USBD_STORAGE_Private_Macros - * @brief Private macros. - * @{ - */ - -/* USER CODE BEGIN PRIVATE_MACRO */ - -/* USER CODE END PRIVATE_MACRO */ - -/** - * @} - */ - -/** @defgroup USBD_STORAGE_Private_Variables - * @brief Private variables. - * @{ - */ - -/* USER CODE BEGIN INQUIRY_DATA_FS */ -/** USB Mass storage Standard Inquiry Data. */ -const int8_t STORAGE_Inquirydata_FS[] = {/* 36 */ - - /* LUN 0 */ - 0x00, - 0x80, - 0x02, - 0x02, - (STANDARD_INQUIRY_DATA_LEN - 5), - 0x00, - 0x00, - 0x00, - 'S', 'T', 'M', ' ', ' ', ' ', ' ', ' ', /* Manufacturer : 8 bytes */ - 'P', 'r', 'o', 'd', 'u', 'c', 't', ' ', /* Product : 16 Bytes */ - ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', - '0', '.', '0' ,'1' /* Version : 4 Bytes */ -}; -/* USER CODE END INQUIRY_DATA_FS */ - -/* USER CODE BEGIN PRIVATE_VARIABLES */ - -/* USER CODE END PRIVATE_VARIABLES */ - -/** - * @} - */ - -/** @defgroup USBD_STORAGE_Exported_Variables - * @brief Public variables. - * @{ - */ - -extern USBD_HandleTypeDef hUsbDeviceFS; - -/* USER CODE BEGIN EXPORTED_VARIABLES */ - -/* USER CODE END EXPORTED_VARIABLES */ - -/** - * @} - */ - -/** @defgroup USBD_STORAGE_Private_FunctionPrototypes - * @brief Private functions declaration. - * @{ - */ - -static int8_t STORAGE_Init_FS(uint8_t lun); -static int8_t STORAGE_GetCapacity_FS(uint8_t lun, uint32_t *block_num, uint16_t *block_size); -static int8_t STORAGE_IsReady_FS(uint8_t lun); -static int8_t STORAGE_IsWriteProtected_FS(uint8_t lun); -static int8_t STORAGE_Read_FS(uint8_t lun, uint8_t *buf, uint32_t blk_addr, uint16_t blk_len); -static int8_t STORAGE_Write_FS(uint8_t lun, uint8_t *buf, uint32_t blk_addr, uint16_t blk_len); -static int8_t STORAGE_GetMaxLun_FS(void); - -/* USER CODE BEGIN PRIVATE_FUNCTIONS_DECLARATION */ - -/* USER CODE END PRIVATE_FUNCTIONS_DECLARATION */ - -/** - * @} - */ - -USBD_StorageTypeDef USBD_Storage_Interface_fops_FS = -{ - STORAGE_Init_FS, - STORAGE_GetCapacity_FS, - STORAGE_IsReady_FS, - STORAGE_IsWriteProtected_FS, - STORAGE_Read_FS, - STORAGE_Write_FS, - STORAGE_GetMaxLun_FS, - (int8_t *)STORAGE_Inquirydata_FS -}; - -/* Private functions ---------------------------------------------------------*/ -/** - * @brief Initializes the storage unit (medium) over USB FS IP - * @param lun: Logical unit number. - * @retval USBD_OK if all operations are OK else USBD_FAIL - */ -int8_t STORAGE_Init_FS(uint8_t lun) -{ - /* USER CODE BEGIN 2 */ - UNUSED(lun); - - return (USBD_OK); - /* USER CODE END 2 */ -} - -/** - * @brief Returns the medium capacity. - * @param lun: Logical unit number. - * @param block_num: Number of total block number. - * @param block_size: Block size. - * @retval USBD_OK if all operations are OK else USBD_FAIL - */ -int8_t STORAGE_GetCapacity_FS(uint8_t lun, uint32_t *block_num, uint16_t *block_size) -{ - /* USER CODE BEGIN 3 */ - UNUSED(lun); - - *block_num = STORAGE_BLK_NBR; - *block_size = STORAGE_BLK_SIZ; - return (USBD_OK); - /* USER CODE END 3 */ -} - -/** - * @brief Checks whether the medium is ready. - * @param lun: Logical unit number. - * @retval USBD_OK if all operations are OK else USBD_FAIL - */ -int8_t STORAGE_IsReady_FS(uint8_t lun) -{ - /* USER CODE BEGIN 4 */ - UNUSED(lun); - - return (USBD_OK); - /* USER CODE END 4 */ -} - -/** - * @brief Checks whether the medium is write protected. - * @param lun: Logical unit number. - * @retval USBD_OK if all operations are OK else USBD_FAIL - */ -int8_t STORAGE_IsWriteProtected_FS(uint8_t lun) -{ - /* USER CODE BEGIN 5 */ - UNUSED(lun); - - return (USBD_OK); - /* USER CODE END 5 */ -} - -/** - * @brief Reads data from the medium. - * @param lun: Logical unit number. - * @param buf: data buffer. - * @param blk_addr: Logical block address. - * @param blk_len: Blocks number. - * @retval USBD_OK if all operations are OK else USBD_FAIL - */ -int8_t STORAGE_Read_FS(uint8_t lun, uint8_t *buf, uint32_t blk_addr, uint16_t blk_len) -{ - /* USER CODE BEGIN 6 */ - /* UNUSED(lun); */ - /* UNUSED(buf); */ - /* UNUSED(blk_addr); */ - /* UNUSED(blk_len); */ - uint32_t total_offset = blk_addr * STORAGE_BLK_SIZ; - uint32_t total_size = blk_len * STORAGE_BLK_SIZ; - uint32_t page = total_offset / GD5F_PAGE_SIZE; - uint16_t col = total_offset % GD5F_PAGE_SIZE; - gd5f1gq5xe_read(page, col, buf, total_size); - return (USBD_OK); - /* USER CODE END 6 */ -} - -/** - * @brief Writes data into the medium. - * @param lun: Logical unit number. - * @param buf: data buffer. - * @param blk_addr: Logical block address. - * @param blk_len: Blocks number. - * @retval USBD_OK if all operations are OK else USBD_FAIL - */ -int8_t STORAGE_Write_FS(uint8_t lun, uint8_t *buf, uint32_t blk_addr, uint16_t blk_len) -{ - /* USER CODE BEGIN 7 */ - UNUSED(lun); - UNUSED(buf); - UNUSED(blk_addr); - UNUSED(blk_len); - - return (USBD_OK); - /* USER CODE END 7 */ -} - -/** - * @brief Returns the Max Supported LUNs. - * @param None - * @retval Lun(s) number. - */ -int8_t STORAGE_GetMaxLun_FS(void) -{ - /* USER CODE BEGIN 8 */ - return (STORAGE_LUN_NBR - 1); - /* USER CODE END 8 */ -} - -/* USER CODE BEGIN PRIVATE_FUNCTIONS_IMPLEMENTATION */ - -/* USER CODE END PRIVATE_FUNCTIONS_IMPLEMENTATION */ - -/** - * @} - */ - -/** - * @} - */ - diff --git a/Ganesha_II_V2/USB_DEVICE/App/usbd_storage_if.h b/Ganesha_II_V2/USB_DEVICE/App/usbd_storage_if.h deleted file mode 100644 index d9198c0..0000000 --- a/Ganesha_II_V2/USB_DEVICE/App/usbd_storage_if.h +++ /dev/null @@ -1,128 +0,0 @@ -/* USER CODE BEGIN Header */ -/** - ****************************************************************************** - * @file : usbd_storage_if.h - * @version : v1.0_Cube - * @brief : Header for usbd_storage_if.c file. - ****************************************************************************** - * @attention - * - * Copyright (c) 2026 STMicroelectronics. - * All rights reserved. - * - * This software is licensed under terms that can be found in the LICENSE file - * in the root directory of this software component. - * If no LICENSE file comes with this software, it is provided AS-IS. - * - ****************************************************************************** - */ -/* USER CODE END Header */ - -/* Define to prevent recursive inclusion -------------------------------------*/ - -#ifndef __USBD_STORAGE_IF_H__ -#define __USBD_STORAGE_IF_H__ - -#ifdef __cplusplus - extern "C" { -#endif - -/* Includes ------------------------------------------------------------------*/ -#include "usbd_msc.h" - -/* USER CODE BEGIN INCLUDE */ - -/* USER CODE END INCLUDE */ - -/** @addtogroup STM32_USB_OTG_DEVICE_LIBRARY - * @brief For Usb device. - * @{ - */ - -/** @defgroup USBD_STORAGE USBD_STORAGE - * @brief Header file for the usb_storage_if.c file - * @{ - */ - -/** @defgroup USBD_STORAGE_Exported_Defines USBD_STORAGE_Exported_Defines - * @brief Defines. - * @{ - */ - -/* USER CODE BEGIN EXPORTED_DEFINES */ - -/* USER CODE END EXPORTED_DEFINES */ - -/** - * @} - */ - -/** @defgroup USBD_STORAGE_Exported_Types USBD_STORAGE_Exported_Types - * @brief Types. - * @{ - */ - -/* USER CODE BEGIN EXPORTED_TYPES */ - -/* USER CODE END EXPORTED_TYPES */ - -/** - * @} - */ - -/** @defgroup USBD_STORAGE_Exported_Macros USBD_STORAGE_Exported_Macros - * @brief Aliases. - * @{ - */ - -/* USER CODE BEGIN EXPORTED_MACRO */ - -/* USER CODE END EXPORTED_MACRO */ - -/** - * @} - */ - -/** @defgroup USBD_STORAGE_Exported_Variables USBD_STORAGE_Exported_Variables - * @brief Public variables. - * @{ - */ - -/** STORAGE Interface callback. */ -extern USBD_StorageTypeDef USBD_Storage_Interface_fops_FS; - -/* USER CODE BEGIN EXPORTED_VARIABLES */ - -/* USER CODE END EXPORTED_VARIABLES */ - -/** - * @} - */ - -/** @defgroup USBD_STORAGE_Exported_FunctionsPrototype USBD_STORAGE_Exported_FunctionsPrototype - * @brief Public functions declaration. - * @{ - */ - -/* USER CODE BEGIN EXPORTED_FUNCTIONS */ - -/* USER CODE END EXPORTED_FUNCTIONS */ - -/** - * @} - */ - -/** - * @} - */ - -/** - * @} - */ - -#ifdef __cplusplus -} -#endif - -#endif /* __USBD_STORAGE_IF_H__ */ - diff --git a/Ganesha_II_V2/USB_DEVICE/Target/usbd_conf.c b/Ganesha_II_V2/USB_DEVICE/Target/usbd_conf.c index a54443f..c674c81 100644 --- a/Ganesha_II_V2/USB_DEVICE/Target/usbd_conf.c +++ b/Ganesha_II_V2/USB_DEVICE/Target/usbd_conf.c @@ -23,7 +23,7 @@ #include "stm32h7xx_hal.h" #include "usbd_def.h" #include "usbd_core.h" -#include "usbd_msc.h" +#include "usbd_cdc.h" /* USER CODE BEGIN Includes */ @@ -638,7 +638,7 @@ USBD_StatusTypeDef USBD_LL_SetTestMode(USBD_HandleTypeDef *pdev, uint8_t testmod void *USBD_static_malloc(uint32_t size) { UNUSED(size); - static uint32_t mem[(sizeof(USBD_MSC_BOT_HandleTypeDef)/4)+1];/* On 32-bit boundary */ + static uint32_t mem[(sizeof(USBD_CDC_HandleTypeDef)/4)+1];/* On 32-bit boundary */ return mem; } diff --git a/Ganesha_II_V2/USB_DEVICE/Target/usbd_conf.h b/Ganesha_II_V2/USB_DEVICE/Target/usbd_conf.h index 5b61392..ae7a69b 100644 --- a/Ganesha_II_V2/USB_DEVICE/Target/usbd_conf.h +++ b/Ganesha_II_V2/USB_DEVICE/Target/usbd_conf.h @@ -67,15 +67,13 @@ /*---------- -----------*/ #define USBD_MAX_NUM_CONFIGURATION 1U /*---------- -----------*/ -#define USBD_MAX_STR_DESC_SIZ 4096U +#define USBD_MAX_STR_DESC_SIZ 512U /*---------- -----------*/ #define USBD_DEBUG_LEVEL 0U /*---------- -----------*/ #define USBD_LPM_ENABLED 1U /*---------- -----------*/ #define USBD_SELF_POWERED 1U -/*---------- -----------*/ -#define MSC_MEDIA_PACKET 4096U /****************************************/ /* #define for FS and HS identification */ From 7d678bcbe2ce6ec7a0481fc0131f56e925d002a9 Mon Sep 17 00:00:00 2001 From: wispl Date: Fri, 29 May 2026 20:02:57 -0400 Subject: [PATCH 11/12] perf: optimize file appending --- Ganesha_II_V2/Core/Inc/flash/flash.h | 2 +- Ganesha_II_V2/Core/Src/flash/flash.c | 51 +++++++++++++++++++++++++--- 2 files changed, 47 insertions(+), 6 deletions(-) diff --git a/Ganesha_II_V2/Core/Inc/flash/flash.h b/Ganesha_II_V2/Core/Inc/flash/flash.h index c132130..6109dde 100644 --- a/Ganesha_II_V2/Core/Inc/flash/flash.h +++ b/Ganesha_II_V2/Core/Inc/flash/flash.h @@ -21,7 +21,7 @@ lfs_ssize_t flash_mount(struct flash_dev *flash, const struct lfs_config *config int flash_unmount(struct flash_dev *flash); uint32_t flash_boot_count(struct flash_dev *flash, bool update); uint32_t flash_open(struct flash_dev *flash, lfs_file_t *file, const char *filename); -bool flash_append(struct flash_dev *flash, lfs_file_t *file, const uint8_t *bytes, const size_t size); +bool flash_append(struct flash_dev *flash, lfs_file_t *file, const uint8_t *bytes, uint32_t size); int flash_close(struct flash_dev *flash, lfs_file_t *file); #endif diff --git a/Ganesha_II_V2/Core/Src/flash/flash.c b/Ganesha_II_V2/Core/Src/flash/flash.c index 573d1d4..ae961e5 100644 --- a/Ganesha_II_V2/Core/Src/flash/flash.c +++ b/Ganesha_II_V2/Core/Src/flash/flash.c @@ -8,6 +8,27 @@ #include +// See: https://github.com/littlefs-project/littlefs/issues/564#issuecomment-2363032827 +// This gives how many bytes are needed before we need to do a fsync. Since we +// want to sync at the end of a block, this just gives offset from the end. +// +// We don't want to sync too often, especially for NAND flashes which have +// larger block sizes because littlefs does a whole scan and write of the +// partial block, which is very time-consuming. +static inline uint32_t offset(uint32_t filesize, uint32_t blocksize) +{ + // Edge case for the first block + if (filesize < blocksize) { + return blocksize - filesize; + } + + const uint32_t w = sizeof(uint32_t); + uint32_t pop = __builtin_popcount((filesize / (blocksize - (2*w))) - 1); + uint32_t n = (filesize - (w * (pop + 2))) / (blocksize - 2*w); + uint32_t offset = filesize - (blocksize - 2*w)*n - w*__builtin_popcount(n); + return blocksize - offset; +} + void flash_init(struct flash_dev *dev, enum flash_name name) { dev->name = name; @@ -15,7 +36,7 @@ void flash_init(struct flash_dev *dev, enum flash_name name) lfs_ssize_t flash_mount(struct flash_dev *flash, const struct lfs_config *config) { - gd5f1gq5xe_unlock(); + if (!gd5f1gq5xe_unlock()) return -1; int err = lfs_mount(&(flash->lfs), config); if (err) { lfs_format(&(flash->lfs), config); @@ -55,11 +76,31 @@ uint32_t flash_open(struct flash_dev *flash, lfs_file_t *file, const char *filen return lfs_file_size(&(flash->lfs), file); } -bool flash_append(struct flash_dev *flash, lfs_file_t *file, const uint8_t *bytes, const size_t size) +bool flash_append(struct flash_dev *flash, lfs_file_t *file, const uint8_t *bytes, uint32_t size) { - lfs_ssize_t s = lfs_file_write(&(flash->lfs), file, bytes, size); - lfs_file_sync(&(flash->lfs), file); - return s == size; + uint8_t *buf = (uint8_t *) bytes; + uint32_t filesize = lfs_file_size(&(flash->lfs), file); + uint32_t off = offset(filesize, flash->lfs.cfg->block_size); + + while (size > 0) { + uint32_t write_size = size < off ? size : off; + if (off == 0) { + // Time for a new block, sync and just write whatever + lfs_file_sync(&(flash->lfs), file); + // Due to constraints, the size is guaranteed to be less + // than a block size, so we can just safely do this + write_size = size; + } + + uint32_t res = lfs_file_write(&(flash->lfs), file, buf, write_size); + if (res != write_size) return false; + + size -= res; + filesize += res; + buf += res; + off = offset(filesize, flash->lfs.cfg->block_size); + } + return true; } int flash_close(struct flash_dev *flash, lfs_file_t *file) From 1b606e59ea3987f14eaad07644a7ae5aecd755ce Mon Sep 17 00:00:00 2001 From: wispl Date: Fri, 29 May 2026 20:05:10 -0400 Subject: [PATCH 12/12] feat: transmit flash readiness over radio Also stop flash when camera stops --- Ganesha_II_V2/Core/Inc/lfs.h | 797 -- Ganesha_II_V2/Core/Inc/lfs_util.h | 273 - Ganesha_II_V2/Core/Src/lfs.c | 6518 ----------------- Ganesha_II_V2/Core/Src/lfs_util.c | 37 - Ganesha_II_V2/Core/Src/main.c | 16 +- Ganesha_II_V2/Makefile | 1 + .../Class/CDC/Inc/usbd_cdc.h | 184 + .../Class/CDC/Src/usbd_cdc.c | 893 +++ Ganesha_II_V2/USB_DEVICE/App/usbd_cdc_if.c | 330 + Ganesha_II_V2/USB_DEVICE/App/usbd_cdc_if.h | 132 + 10 files changed, 1552 insertions(+), 7629 deletions(-) delete mode 100644 Ganesha_II_V2/Core/Inc/lfs.h delete mode 100644 Ganesha_II_V2/Core/Inc/lfs_util.h delete mode 100644 Ganesha_II_V2/Core/Src/lfs.c delete mode 100644 Ganesha_II_V2/Core/Src/lfs_util.c create mode 100644 Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Class/CDC/Inc/usbd_cdc.h create mode 100644 Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Class/CDC/Src/usbd_cdc.c create mode 100644 Ganesha_II_V2/USB_DEVICE/App/usbd_cdc_if.c create mode 100644 Ganesha_II_V2/USB_DEVICE/App/usbd_cdc_if.h diff --git a/Ganesha_II_V2/Core/Inc/lfs.h b/Ganesha_II_V2/Core/Inc/lfs.h deleted file mode 100644 index 4531560..0000000 --- a/Ganesha_II_V2/Core/Inc/lfs.h +++ /dev/null @@ -1,797 +0,0 @@ -/* - * The little filesystem - * - * Copyright (c) 2022, The littlefs authors. - * Copyright (c) 2017, Arm Limited. All rights reserved. - * SPDX-License-Identifier: BSD-3-Clause - */ -#ifndef LFS_H -#define LFS_H - -#include "lfs_util.h" - -#ifdef __cplusplus -extern "C" -{ -#endif - - -/// Version info /// - -// Software library version -// Major (top-nibble), incremented on backwards incompatible changes -// Minor (bottom-nibble), incremented on feature additions -#define LFS_VERSION 0x0002000a -#define LFS_VERSION_MAJOR (0xffff & (LFS_VERSION >> 16)) -#define LFS_VERSION_MINOR (0xffff & (LFS_VERSION >> 0)) - -// Version of On-disk data structures -// Major (top-nibble), incremented on backwards incompatible changes -// Minor (bottom-nibble), incremented on feature additions -#define LFS_DISK_VERSION 0x00020001 -#define LFS_DISK_VERSION_MAJOR (0xffff & (LFS_DISK_VERSION >> 16)) -#define LFS_DISK_VERSION_MINOR (0xffff & (LFS_DISK_VERSION >> 0)) - - -/// Definitions /// - -// Type definitions -typedef uint32_t lfs_size_t; -typedef uint32_t lfs_off_t; - -typedef int32_t lfs_ssize_t; -typedef int32_t lfs_soff_t; - -typedef uint32_t lfs_block_t; - -// Maximum name size in bytes, may be redefined to reduce the size of the -// info struct. Limited to <= 1022. Stored in superblock and must be -// respected by other littlefs drivers. -#ifndef LFS_NAME_MAX -#define LFS_NAME_MAX 255 -#endif - -// Maximum size of a file in bytes, may be redefined to limit to support other -// drivers. Limited on disk to <= 2147483647. Stored in superblock and must be -// respected by other littlefs drivers. -#ifndef LFS_FILE_MAX -#define LFS_FILE_MAX 2147483647 -#endif - -// Maximum size of custom attributes in bytes, may be redefined, but there is -// no real benefit to using a smaller LFS_ATTR_MAX. Limited to <= 1022. Stored -// in superblock and must be respected by other littlefs drivers. -#ifndef LFS_ATTR_MAX -#define LFS_ATTR_MAX 1022 -#endif - -// Possible error codes, these are negative to allow -// valid positive return values -enum lfs_error { - LFS_ERR_OK = 0, // No error - LFS_ERR_IO = -5, // Error during device operation - LFS_ERR_CORRUPT = -84, // Corrupted - LFS_ERR_NOENT = -2, // No directory entry - LFS_ERR_EXIST = -17, // Entry already exists - LFS_ERR_NOTDIR = -20, // Entry is not a dir - LFS_ERR_ISDIR = -21, // Entry is a dir - LFS_ERR_NOTEMPTY = -39, // Dir is not empty - LFS_ERR_BADF = -9, // Bad file number - LFS_ERR_FBIG = -27, // File too large - LFS_ERR_INVAL = -22, // Invalid parameter - LFS_ERR_NOSPC = -28, // No space left on device - LFS_ERR_NOMEM = -12, // No more memory available - LFS_ERR_NOATTR = -61, // No data/attr available - LFS_ERR_NAMETOOLONG = -36, // File name too long -}; - -// File types -enum lfs_type { - // file types - LFS_TYPE_REG = 0x001, - LFS_TYPE_DIR = 0x002, - - // internally used types - LFS_TYPE_SPLICE = 0x400, - LFS_TYPE_NAME = 0x000, - LFS_TYPE_STRUCT = 0x200, - LFS_TYPE_USERATTR = 0x300, - LFS_TYPE_FROM = 0x100, - LFS_TYPE_TAIL = 0x600, - LFS_TYPE_GLOBALS = 0x700, - LFS_TYPE_CRC = 0x500, - - // internally used type specializations - LFS_TYPE_CREATE = 0x401, - LFS_TYPE_DELETE = 0x4ff, - LFS_TYPE_SUPERBLOCK = 0x0ff, - LFS_TYPE_DIRSTRUCT = 0x200, - LFS_TYPE_CTZSTRUCT = 0x202, - LFS_TYPE_INLINESTRUCT = 0x201, - LFS_TYPE_SOFTTAIL = 0x600, - LFS_TYPE_HARDTAIL = 0x601, - LFS_TYPE_MOVESTATE = 0x7ff, - LFS_TYPE_CCRC = 0x500, - LFS_TYPE_FCRC = 0x5ff, - - // internal chip sources - LFS_FROM_NOOP = 0x000, - LFS_FROM_MOVE = 0x101, - LFS_FROM_USERATTRS = 0x102, -}; - -// File open flags -enum lfs_open_flags { - // open flags - LFS_O_RDONLY = 1, // Open a file as read only -#ifndef LFS_READONLY - LFS_O_WRONLY = 2, // Open a file as write only - LFS_O_RDWR = 3, // Open a file as read and write - LFS_O_CREAT = 0x0100, // Create a file if it does not exist - LFS_O_EXCL = 0x0200, // Fail if a file already exists - LFS_O_TRUNC = 0x0400, // Truncate the existing file to zero size - LFS_O_APPEND = 0x0800, // Move to end of file on every write -#endif - - // internally used flags -#ifndef LFS_READONLY - LFS_F_DIRTY = 0x010000, // File does not match storage - LFS_F_WRITING = 0x020000, // File has been written since last flush -#endif - LFS_F_READING = 0x040000, // File has been read since last flush -#ifndef LFS_READONLY - LFS_F_ERRED = 0x080000, // An error occurred during write -#endif - LFS_F_INLINE = 0x100000, // Currently inlined in directory entry -}; - -// File seek flags -enum lfs_whence_flags { - LFS_SEEK_SET = 0, // Seek relative to an absolute position - LFS_SEEK_CUR = 1, // Seek relative to the current file position - LFS_SEEK_END = 2, // Seek relative to the end of the file -}; - - -// Configuration provided during initialization of the littlefs -struct lfs_config { - // Opaque user provided context that can be used to pass - // information to the block device operations - void *context; - - // Read a region in a block. Negative error codes are propagated - // to the user. - int (*read)(const struct lfs_config *c, lfs_block_t block, - lfs_off_t off, void *buffer, lfs_size_t size); - - // Program a region in a block. The block must have previously - // been erased. Negative error codes are propagated to the user. - // May return LFS_ERR_CORRUPT if the block should be considered bad. - int (*prog)(const struct lfs_config *c, lfs_block_t block, - lfs_off_t off, const void *buffer, lfs_size_t size); - - // Erase a block. A block must be erased before being programmed. - // The state of an erased block is undefined. Negative error codes - // are propagated to the user. - // May return LFS_ERR_CORRUPT if the block should be considered bad. - int (*erase)(const struct lfs_config *c, lfs_block_t block); - - // Sync the state of the underlying block device. Negative error codes - // are propagated to the user. - int (*sync)(const struct lfs_config *c); - -#ifdef LFS_THREADSAFE - // Lock the underlying block device. Negative error codes - // are propagated to the user. - int (*lock)(const struct lfs_config *c); - - // Unlock the underlying block device. Negative error codes - // are propagated to the user. - int (*unlock)(const struct lfs_config *c); -#endif - - // Minimum size of a block read in bytes. All read operations will be a - // multiple of this value. - lfs_size_t read_size; - - // Minimum size of a block program in bytes. All program operations will be - // a multiple of this value. - lfs_size_t prog_size; - - // Size of an erasable block in bytes. This does not impact ram consumption - // and may be larger than the physical erase size. However, non-inlined - // files take up at minimum one block. Must be a multiple of the read and - // program sizes. - lfs_size_t block_size; - - // Number of erasable blocks on the device. Defaults to block_count stored - // on disk when zero. - lfs_size_t block_count; - - // Number of erase cycles before littlefs evicts metadata logs and moves - // the metadata to another block. Suggested values are in the - // range 100-1000, with large values having better performance at the cost - // of less consistent wear distribution. - // - // Set to -1 to disable block-level wear-leveling. - int32_t block_cycles; - - // Size of block caches in bytes. Each cache buffers a portion of a block in - // RAM. The littlefs needs a read cache, a program cache, and one additional - // cache per file. Larger caches can improve performance by storing more - // data and reducing the number of disk accesses. Must be a multiple of the - // read and program sizes, and a factor of the block size. - lfs_size_t cache_size; - - // Size of the lookahead buffer in bytes. A larger lookahead buffer - // increases the number of blocks found during an allocation pass. The - // lookahead buffer is stored as a compact bitmap, so each byte of RAM - // can track 8 blocks. - lfs_size_t lookahead_size; - - // Threshold for metadata compaction during lfs_fs_gc in bytes. Metadata - // pairs that exceed this threshold will be compacted during lfs_fs_gc. - // Defaults to ~88% block_size when zero, though the default may change - // in the future. - // - // Note this only affects lfs_fs_gc. Normal compactions still only occur - // when full. - // - // Set to -1 to disable metadata compaction during lfs_fs_gc. - lfs_size_t compact_thresh; - - // Optional statically allocated read buffer. Must be cache_size. - // By default lfs_malloc is used to allocate this buffer. - void *read_buffer; - - // Optional statically allocated program buffer. Must be cache_size. - // By default lfs_malloc is used to allocate this buffer. - void *prog_buffer; - - // Optional statically allocated lookahead buffer. Must be lookahead_size. - // By default lfs_malloc is used to allocate this buffer. - void *lookahead_buffer; - - // Optional upper limit on length of file names in bytes. No downside for - // larger names except the size of the info struct which is controlled by - // the LFS_NAME_MAX define. Defaults to LFS_NAME_MAX or name_max stored on - // disk when zero. - lfs_size_t name_max; - - // Optional upper limit on files in bytes. No downside for larger files - // but must be <= LFS_FILE_MAX. Defaults to LFS_FILE_MAX or file_max stored - // on disk when zero. - lfs_size_t file_max; - - // Optional upper limit on custom attributes in bytes. No downside for - // larger attributes size but must be <= LFS_ATTR_MAX. Defaults to - // LFS_ATTR_MAX or attr_max stored on disk when zero. - lfs_size_t attr_max; - - // Optional upper limit on total space given to metadata pairs in bytes. On - // devices with large blocks (e.g. 128kB) setting this to a low size (2-8kB) - // can help bound the metadata compaction time. Must be <= block_size. - // Defaults to block_size when zero. - lfs_size_t metadata_max; - - // Optional upper limit on inlined files in bytes. Inlined files live in - // metadata and decrease storage requirements, but may be limited to - // improve metadata-related performance. Must be <= cache_size, <= - // attr_max, and <= block_size/8. Defaults to the largest possible - // inline_max when zero. - // - // Set to -1 to disable inlined files. - lfs_size_t inline_max; - -#ifdef LFS_MULTIVERSION - // On-disk version to use when writing in the form of 16-bit major version - // + 16-bit minor version. This limiting metadata to what is supported by - // older minor versions. Note that some features will be lost. Defaults to - // to the most recent minor version when zero. - uint32_t disk_version; -#endif -}; - -// File info structure -struct lfs_info { - // Type of the file, either LFS_TYPE_REG or LFS_TYPE_DIR - uint8_t type; - - // Size of the file, only valid for REG files. Limited to 32-bits. - lfs_size_t size; - - // Name of the file stored as a null-terminated string. Limited to - // LFS_NAME_MAX+1, which can be changed by redefining LFS_NAME_MAX to - // reduce RAM. LFS_NAME_MAX is stored in superblock and must be - // respected by other littlefs drivers. - char name[LFS_NAME_MAX+1]; -}; - -// Filesystem info structure -struct lfs_fsinfo { - // On-disk version. - uint32_t disk_version; - - // Size of a logical block in bytes. - lfs_size_t block_size; - - // Number of logical blocks in filesystem. - lfs_size_t block_count; - - // Upper limit on the length of file names in bytes. - lfs_size_t name_max; - - // Upper limit on the size of files in bytes. - lfs_size_t file_max; - - // Upper limit on the size of custom attributes in bytes. - lfs_size_t attr_max; -}; - -// Custom attribute structure, used to describe custom attributes -// committed atomically during file writes. -struct lfs_attr { - // 8-bit type of attribute, provided by user and used to - // identify the attribute - uint8_t type; - - // Pointer to buffer containing the attribute - void *buffer; - - // Size of attribute in bytes, limited to LFS_ATTR_MAX - lfs_size_t size; -}; - -// Optional configuration provided during lfs_file_opencfg -struct lfs_file_config { - // Optional statically allocated file buffer. Must be cache_size. - // By default lfs_malloc is used to allocate this buffer. - void *buffer; - - // Optional list of custom attributes related to the file. If the file - // is opened with read access, these attributes will be read from disk - // during the open call. If the file is opened with write access, the - // attributes will be written to disk every file sync or close. This - // write occurs atomically with update to the file's contents. - // - // Custom attributes are uniquely identified by an 8-bit type and limited - // to LFS_ATTR_MAX bytes. When read, if the stored attribute is smaller - // than the buffer, it will be padded with zeros. If the stored attribute - // is larger, then it will be silently truncated. If the attribute is not - // found, it will be created implicitly. - struct lfs_attr *attrs; - - // Number of custom attributes in the list - lfs_size_t attr_count; -}; - - -/// internal littlefs data structures /// -typedef struct lfs_cache { - lfs_block_t block; - lfs_off_t off; - lfs_size_t size; - uint8_t *buffer; -} lfs_cache_t; - -typedef struct lfs_mdir { - lfs_block_t pair[2]; - uint32_t rev; - lfs_off_t off; - uint32_t etag; - uint16_t count; - bool erased; - bool split; - lfs_block_t tail[2]; -} lfs_mdir_t; - -// littlefs directory type -typedef struct lfs_dir { - struct lfs_dir *next; - uint16_t id; - uint8_t type; - lfs_mdir_t m; - - lfs_off_t pos; - lfs_block_t head[2]; -} lfs_dir_t; - -// littlefs file type -typedef struct lfs_file { - struct lfs_file *next; - uint16_t id; - uint8_t type; - lfs_mdir_t m; - - struct lfs_ctz { - lfs_block_t head; - lfs_size_t size; - } ctz; - - uint32_t flags; - lfs_off_t pos; - lfs_block_t block; - lfs_off_t off; - lfs_cache_t cache; - - const struct lfs_file_config *cfg; -} lfs_file_t; - -typedef struct lfs_superblock { - uint32_t version; - lfs_size_t block_size; - lfs_size_t block_count; - lfs_size_t name_max; - lfs_size_t file_max; - lfs_size_t attr_max; -} lfs_superblock_t; - -typedef struct lfs_gstate { - uint32_t tag; - lfs_block_t pair[2]; -} lfs_gstate_t; - -// The littlefs filesystem type -typedef struct lfs { - lfs_cache_t rcache; - lfs_cache_t pcache; - - lfs_block_t root[2]; - struct lfs_mlist { - struct lfs_mlist *next; - uint16_t id; - uint8_t type; - lfs_mdir_t m; - } *mlist; - uint32_t seed; - - lfs_gstate_t gstate; - lfs_gstate_t gdisk; - lfs_gstate_t gdelta; - - struct lfs_lookahead { - lfs_block_t start; - lfs_block_t size; - lfs_block_t next; - lfs_block_t ckpoint; - uint8_t *buffer; - } lookahead; - - const struct lfs_config *cfg; - lfs_size_t block_count; - lfs_size_t name_max; - lfs_size_t file_max; - lfs_size_t attr_max; - lfs_size_t inline_max; - -#ifdef LFS_MIGRATE - struct lfs1 *lfs1; -#endif -} lfs_t; - - -/// Filesystem functions /// - -#ifndef LFS_READONLY -// Format a block device with the littlefs -// -// Requires a littlefs object and config struct. This clobbers the littlefs -// object, and does not leave the filesystem mounted. The config struct must -// be zeroed for defaults and backwards compatibility. -// -// Returns a negative error code on failure. -int lfs_format(lfs_t *lfs, const struct lfs_config *config); -#endif - -// Mounts a littlefs -// -// Requires a littlefs object and config struct. Multiple filesystems -// may be mounted simultaneously with multiple littlefs objects. Both -// lfs and config must be allocated while mounted. The config struct must -// be zeroed for defaults and backwards compatibility. -// -// Returns a negative error code on failure. -int lfs_mount(lfs_t *lfs, const struct lfs_config *config); - -// Unmounts a littlefs -// -// Does nothing besides releasing any allocated resources. -// Returns a negative error code on failure. -int lfs_unmount(lfs_t *lfs); - -/// General operations /// - -#ifndef LFS_READONLY -// Removes a file or directory -// -// If removing a directory, the directory must be empty. -// Returns a negative error code on failure. -int lfs_remove(lfs_t *lfs, const char *path); -#endif - -#ifndef LFS_READONLY -// Rename or move a file or directory -// -// If the destination exists, it must match the source in type. -// If the destination is a directory, the directory must be empty. -// -// Returns a negative error code on failure. -int lfs_rename(lfs_t *lfs, const char *oldpath, const char *newpath); -#endif - -// Find info about a file or directory -// -// Fills out the info structure, based on the specified file or directory. -// Returns a negative error code on failure. -int lfs_stat(lfs_t *lfs, const char *path, struct lfs_info *info); - -// Get a custom attribute -// -// Custom attributes are uniquely identified by an 8-bit type and limited -// to LFS_ATTR_MAX bytes. When read, if the stored attribute is smaller than -// the buffer, it will be padded with zeros. If the stored attribute is larger, -// then it will be silently truncated. If no attribute is found, the error -// LFS_ERR_NOATTR is returned and the buffer is filled with zeros. -// -// Returns the size of the attribute, or a negative error code on failure. -// Note, the returned size is the size of the attribute on disk, irrespective -// of the size of the buffer. This can be used to dynamically allocate a buffer -// or check for existence. -lfs_ssize_t lfs_getattr(lfs_t *lfs, const char *path, - uint8_t type, void *buffer, lfs_size_t size); - -#ifndef LFS_READONLY -// Set custom attributes -// -// Custom attributes are uniquely identified by an 8-bit type and limited -// to LFS_ATTR_MAX bytes. If an attribute is not found, it will be -// implicitly created. -// -// Returns a negative error code on failure. -int lfs_setattr(lfs_t *lfs, const char *path, - uint8_t type, const void *buffer, lfs_size_t size); -#endif - -#ifndef LFS_READONLY -// Removes a custom attribute -// -// If an attribute is not found, nothing happens. -// -// Returns a negative error code on failure. -int lfs_removeattr(lfs_t *lfs, const char *path, uint8_t type); -#endif - - -/// File operations /// - -#ifndef LFS_NO_MALLOC -// Open a file -// -// The mode that the file is opened in is determined by the flags, which -// are values from the enum lfs_open_flags that are bitwise-ored together. -// -// Returns a negative error code on failure. -int lfs_file_open(lfs_t *lfs, lfs_file_t *file, - const char *path, int flags); - -// if LFS_NO_MALLOC is defined, lfs_file_open() will fail with LFS_ERR_NOMEM -// thus use lfs_file_opencfg() with config.buffer set. -#endif - -// Open a file with extra configuration -// -// The mode that the file is opened in is determined by the flags, which -// are values from the enum lfs_open_flags that are bitwise-ored together. -// -// The config struct provides additional config options per file as described -// above. The config struct must remain allocated while the file is open, and -// the config struct must be zeroed for defaults and backwards compatibility. -// -// Returns a negative error code on failure. -int lfs_file_opencfg(lfs_t *lfs, lfs_file_t *file, - const char *path, int flags, - const struct lfs_file_config *config); - -// Close a file -// -// Any pending writes are written out to storage as though -// sync had been called and releases any allocated resources. -// -// Returns a negative error code on failure. -int lfs_file_close(lfs_t *lfs, lfs_file_t *file); - -// Synchronize a file on storage -// -// Any pending writes are written out to storage. -// Returns a negative error code on failure. -int lfs_file_sync(lfs_t *lfs, lfs_file_t *file); - -// Read data from file -// -// Takes a buffer and size indicating where to store the read data. -// Returns the number of bytes read, or a negative error code on failure. -lfs_ssize_t lfs_file_read(lfs_t *lfs, lfs_file_t *file, - void *buffer, lfs_size_t size); - -#ifndef LFS_READONLY -// Write data to file -// -// Takes a buffer and size indicating the data to write. The file will not -// actually be updated on the storage until either sync or close is called. -// -// Returns the number of bytes written, or a negative error code on failure. -lfs_ssize_t lfs_file_write(lfs_t *lfs, lfs_file_t *file, - const void *buffer, lfs_size_t size); -#endif - -// Change the position of the file -// -// The change in position is determined by the offset and whence flag. -// Returns the new position of the file, or a negative error code on failure. -lfs_soff_t lfs_file_seek(lfs_t *lfs, lfs_file_t *file, - lfs_soff_t off, int whence); - -#ifndef LFS_READONLY -// Truncates the size of the file to the specified size -// -// Returns a negative error code on failure. -int lfs_file_truncate(lfs_t *lfs, lfs_file_t *file, lfs_off_t size); -#endif - -// Return the position of the file -// -// Equivalent to lfs_file_seek(lfs, file, 0, LFS_SEEK_CUR) -// Returns the position of the file, or a negative error code on failure. -lfs_soff_t lfs_file_tell(lfs_t *lfs, lfs_file_t *file); - -// Change the position of the file to the beginning of the file -// -// Equivalent to lfs_file_seek(lfs, file, 0, LFS_SEEK_SET) -// Returns a negative error code on failure. -int lfs_file_rewind(lfs_t *lfs, lfs_file_t *file); - -// Return the size of the file -// -// Similar to lfs_file_seek(lfs, file, 0, LFS_SEEK_END) -// Returns the size of the file, or a negative error code on failure. -lfs_soff_t lfs_file_size(lfs_t *lfs, lfs_file_t *file); - - -/// Directory operations /// - -#ifndef LFS_READONLY -// Create a directory -// -// Returns a negative error code on failure. -int lfs_mkdir(lfs_t *lfs, const char *path); -#endif - -// Open a directory -// -// Once open a directory can be used with read to iterate over files. -// Returns a negative error code on failure. -int lfs_dir_open(lfs_t *lfs, lfs_dir_t *dir, const char *path); - -// Close a directory -// -// Releases any allocated resources. -// Returns a negative error code on failure. -int lfs_dir_close(lfs_t *lfs, lfs_dir_t *dir); - -// Read an entry in the directory -// -// Fills out the info structure, based on the specified file or directory. -// Returns a positive value on success, 0 at the end of directory, -// or a negative error code on failure. -int lfs_dir_read(lfs_t *lfs, lfs_dir_t *dir, struct lfs_info *info); - -// Change the position of the directory -// -// The new off must be a value previous returned from tell and specifies -// an absolute offset in the directory seek. -// -// Returns a negative error code on failure. -int lfs_dir_seek(lfs_t *lfs, lfs_dir_t *dir, lfs_off_t off); - -// Return the position of the directory -// -// The returned offset is only meant to be consumed by seek and may not make -// sense, but does indicate the current position in the directory iteration. -// -// Returns the position of the directory, or a negative error code on failure. -lfs_soff_t lfs_dir_tell(lfs_t *lfs, lfs_dir_t *dir); - -// Change the position of the directory to the beginning of the directory -// -// Returns a negative error code on failure. -int lfs_dir_rewind(lfs_t *lfs, lfs_dir_t *dir); - - -/// Filesystem-level filesystem operations - -// Find on-disk info about the filesystem -// -// Fills out the fsinfo structure based on the filesystem found on-disk. -// Returns a negative error code on failure. -int lfs_fs_stat(lfs_t *lfs, struct lfs_fsinfo *fsinfo); - -// Finds the current size of the filesystem -// -// Note: Result is best effort. If files share COW structures, the returned -// size may be larger than the filesystem actually is. -// -// Returns the number of allocated blocks, or a negative error code on failure. -lfs_ssize_t lfs_fs_size(lfs_t *lfs); - -// Traverse through all blocks in use by the filesystem -// -// The provided callback will be called with each block address that is -// currently in use by the filesystem. This can be used to determine which -// blocks are in use or how much of the storage is available. -// -// Returns a negative error code on failure. -int lfs_fs_traverse(lfs_t *lfs, int (*cb)(void*, lfs_block_t), void *data); - -#ifndef LFS_READONLY -// Attempt to make the filesystem consistent and ready for writing -// -// Calling this function is not required, consistency will be implicitly -// enforced on the first operation that writes to the filesystem, but this -// function allows the work to be performed earlier and without other -// filesystem changes. -// -// Returns a negative error code on failure. -int lfs_fs_mkconsistent(lfs_t *lfs); -#endif - -#ifndef LFS_READONLY -// Attempt any janitorial work -// -// This currently: -// 1. Calls mkconsistent if not already consistent -// 2. Compacts metadata > compact_thresh -// 3. Populates the block allocator -// -// Though additional janitorial work may be added in the future. -// -// Calling this function is not required, but may allow the offloading of -// expensive janitorial work to a less time-critical code path. -// -// Returns a negative error code on failure. Accomplishing nothing is not -// an error. -int lfs_fs_gc(lfs_t *lfs); -#endif - -#ifndef LFS_READONLY -// Grows the filesystem to a new size, updating the superblock with the new -// block count. -// -// Note: This is irreversible. -// -// Returns a negative error code on failure. -int lfs_fs_grow(lfs_t *lfs, lfs_size_t block_count); -#endif - -#ifndef LFS_READONLY -#ifdef LFS_MIGRATE -// Attempts to migrate a previous version of littlefs -// -// Behaves similarly to the lfs_format function. Attempts to mount -// the previous version of littlefs and update the filesystem so it can be -// mounted with the current version of littlefs. -// -// Requires a littlefs object and config struct. This clobbers the littlefs -// object, and does not leave the filesystem mounted. The config struct must -// be zeroed for defaults and backwards compatibility. -// -// Returns a negative error code on failure. -int lfs_migrate(lfs_t *lfs, const struct lfs_config *cfg); -#endif -#endif - - -#ifdef __cplusplus -} /* extern "C" */ -#endif - -#endif diff --git a/Ganesha_II_V2/Core/Inc/lfs_util.h b/Ganesha_II_V2/Core/Inc/lfs_util.h deleted file mode 100644 index 0aec488..0000000 --- a/Ganesha_II_V2/Core/Inc/lfs_util.h +++ /dev/null @@ -1,273 +0,0 @@ -/* - * lfs utility functions - * - * Copyright (c) 2022, The littlefs authors. - * Copyright (c) 2017, Arm Limited. All rights reserved. - * SPDX-License-Identifier: BSD-3-Clause - */ -#ifndef LFS_UTIL_H -#define LFS_UTIL_H - -#define LFS_STRINGIZE(x) LFS_STRINGIZE2(x) -#define LFS_STRINGIZE2(x) #x - -// Users can override lfs_util.h with their own configuration by defining -// LFS_CONFIG as a header file to include (-DLFS_CONFIG=lfs_config.h). -// -// If LFS_CONFIG is used, none of the default utils will be emitted and must be -// provided by the config file. To start, I would suggest copying lfs_util.h -// and modifying as needed. -#ifdef LFS_CONFIG -#include LFS_STRINGIZE(LFS_CONFIG) -#else - -// Alternatively, users can provide a header file which defines -// macros and other things consumed by littlefs. -// -// For example, provide my_defines.h, which contains -// something like: -// -// #include -// extern void *my_malloc(size_t sz); -// #define LFS_MALLOC(sz) my_malloc(sz) -// -// And build littlefs with the header by defining LFS_DEFINES. -// (-DLFS_DEFINES=my_defines.h) - -#ifdef LFS_DEFINES -#include LFS_STRINGIZE(LFS_DEFINES) -#endif - -// System includes -#include -#include -#include -#include - -#ifndef LFS_NO_MALLOC -#include -#endif -#ifndef LFS_NO_ASSERT -#include -#endif -#if !defined(LFS_NO_DEBUG) || \ - !defined(LFS_NO_WARN) || \ - !defined(LFS_NO_ERROR) || \ - defined(LFS_YES_TRACE) -#include -#endif - -#ifdef __cplusplus -extern "C" -{ -#endif - - -// Macros, may be replaced by system specific wrappers. Arguments to these -// macros must not have side-effects as the macros can be removed for a smaller -// code footprint - -// Logging functions -#ifndef LFS_TRACE -#ifdef LFS_YES_TRACE -#define LFS_TRACE_(fmt, ...) \ - printf("%s:%d:trace: " fmt "%s\n", __FILE__, __LINE__, __VA_ARGS__) -#define LFS_TRACE(...) LFS_TRACE_(__VA_ARGS__, "") -#else -#define LFS_TRACE(...) -#endif -#endif - -#ifndef LFS_DEBUG -#ifndef LFS_NO_DEBUG -#define LFS_DEBUG_(fmt, ...) \ - printf("%s:%d:debug: " fmt "%s\n", __FILE__, __LINE__, __VA_ARGS__) -#define LFS_DEBUG(...) LFS_DEBUG_(__VA_ARGS__, "") -#else -#define LFS_DEBUG(...) -#endif -#endif - -#ifndef LFS_WARN -#ifndef LFS_NO_WARN -#define LFS_WARN_(fmt, ...) \ - printf("%s:%d:warn: " fmt "%s\n", __FILE__, __LINE__, __VA_ARGS__) -#define LFS_WARN(...) LFS_WARN_(__VA_ARGS__, "") -#else -#define LFS_WARN(...) -#endif -#endif - -#ifndef LFS_ERROR -#ifndef LFS_NO_ERROR -#define LFS_ERROR_(fmt, ...) \ - printf("%s:%d:error: " fmt "%s\n", __FILE__, __LINE__, __VA_ARGS__) -#define LFS_ERROR(...) LFS_ERROR_(__VA_ARGS__, "") -#else -#define LFS_ERROR(...) -#endif -#endif - -// Runtime assertions -#ifndef LFS_ASSERT -#ifndef LFS_NO_ASSERT -#define LFS_ASSERT(test) assert(test) -#else -#define LFS_ASSERT(test) -#endif -#endif - - -// Builtin functions, these may be replaced by more efficient -// toolchain-specific implementations. LFS_NO_INTRINSICS falls back to a more -// expensive basic C implementation for debugging purposes - -// Min/max functions for unsigned 32-bit numbers -static inline uint32_t lfs_max(uint32_t a, uint32_t b) { - return (a > b) ? a : b; -} - -static inline uint32_t lfs_min(uint32_t a, uint32_t b) { - return (a < b) ? a : b; -} - -// Align to nearest multiple of a size -static inline uint32_t lfs_aligndown(uint32_t a, uint32_t alignment) { - return a - (a % alignment); -} - -static inline uint32_t lfs_alignup(uint32_t a, uint32_t alignment) { - return lfs_aligndown(a + alignment-1, alignment); -} - -// Find the smallest power of 2 greater than or equal to a -static inline uint32_t lfs_npw2(uint32_t a) { -#if !defined(LFS_NO_INTRINSICS) && (defined(__GNUC__) || defined(__CC_ARM)) - return 32 - __builtin_clz(a-1); -#else - uint32_t r = 0; - uint32_t s; - a -= 1; - s = (a > 0xffff) << 4; a >>= s; r |= s; - s = (a > 0xff ) << 3; a >>= s; r |= s; - s = (a > 0xf ) << 2; a >>= s; r |= s; - s = (a > 0x3 ) << 1; a >>= s; r |= s; - return (r | (a >> 1)) + 1; -#endif -} - -// Count the number of trailing binary zeros in a -// lfs_ctz(0) may be undefined -static inline uint32_t lfs_ctz(uint32_t a) { -#if !defined(LFS_NO_INTRINSICS) && defined(__GNUC__) - return __builtin_ctz(a); -#else - return lfs_npw2((a & -a) + 1) - 1; -#endif -} - -// Count the number of binary ones in a -static inline uint32_t lfs_popc(uint32_t a) { -#if !defined(LFS_NO_INTRINSICS) && (defined(__GNUC__) || defined(__CC_ARM)) - return __builtin_popcount(a); -#else - a = a - ((a >> 1) & 0x55555555); - a = (a & 0x33333333) + ((a >> 2) & 0x33333333); - return (((a + (a >> 4)) & 0xf0f0f0f) * 0x1010101) >> 24; -#endif -} - -// Find the sequence comparison of a and b, this is the distance -// between a and b ignoring overflow -static inline int lfs_scmp(uint32_t a, uint32_t b) { - return (int)(unsigned)(a - b); -} - -// Convert between 32-bit little-endian and native order -static inline uint32_t lfs_fromle32(uint32_t a) { -#if (defined( BYTE_ORDER ) && defined( ORDER_LITTLE_ENDIAN ) && BYTE_ORDER == ORDER_LITTLE_ENDIAN ) || \ - (defined(__BYTE_ORDER ) && defined(__ORDER_LITTLE_ENDIAN ) && __BYTE_ORDER == __ORDER_LITTLE_ENDIAN ) || \ - (defined(__BYTE_ORDER__) && defined(__ORDER_LITTLE_ENDIAN__) && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__) - return a; -#elif !defined(LFS_NO_INTRINSICS) && ( \ - (defined( BYTE_ORDER ) && defined( ORDER_BIG_ENDIAN ) && BYTE_ORDER == ORDER_BIG_ENDIAN ) || \ - (defined(__BYTE_ORDER ) && defined(__ORDER_BIG_ENDIAN ) && __BYTE_ORDER == __ORDER_BIG_ENDIAN ) || \ - (defined(__BYTE_ORDER__) && defined(__ORDER_BIG_ENDIAN__) && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__)) - return __builtin_bswap32(a); -#else - return (((uint8_t*)&a)[0] << 0) | - (((uint8_t*)&a)[1] << 8) | - (((uint8_t*)&a)[2] << 16) | - (((uint8_t*)&a)[3] << 24); -#endif -} - -static inline uint32_t lfs_tole32(uint32_t a) { - return lfs_fromle32(a); -} - -// Convert between 32-bit big-endian and native order -static inline uint32_t lfs_frombe32(uint32_t a) { -#if !defined(LFS_NO_INTRINSICS) && ( \ - (defined( BYTE_ORDER ) && defined( ORDER_LITTLE_ENDIAN ) && BYTE_ORDER == ORDER_LITTLE_ENDIAN ) || \ - (defined(__BYTE_ORDER ) && defined(__ORDER_LITTLE_ENDIAN ) && __BYTE_ORDER == __ORDER_LITTLE_ENDIAN ) || \ - (defined(__BYTE_ORDER__) && defined(__ORDER_LITTLE_ENDIAN__) && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__)) - return __builtin_bswap32(a); -#elif (defined( BYTE_ORDER ) && defined( ORDER_BIG_ENDIAN ) && BYTE_ORDER == ORDER_BIG_ENDIAN ) || \ - (defined(__BYTE_ORDER ) && defined(__ORDER_BIG_ENDIAN ) && __BYTE_ORDER == __ORDER_BIG_ENDIAN ) || \ - (defined(__BYTE_ORDER__) && defined(__ORDER_BIG_ENDIAN__) && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__) - return a; -#else - return (((uint8_t*)&a)[0] << 24) | - (((uint8_t*)&a)[1] << 16) | - (((uint8_t*)&a)[2] << 8) | - (((uint8_t*)&a)[3] << 0); -#endif -} - -static inline uint32_t lfs_tobe32(uint32_t a) { - return lfs_frombe32(a); -} - -// Calculate CRC-32 with polynomial = 0x04c11db7 -#ifdef LFS_CRC -uint32_t lfs_crc(uint32_t crc, const void *buffer, size_t size) { - return LFS_CRC(crc, buffer, size) -} -#else -uint32_t lfs_crc(uint32_t crc, const void *buffer, size_t size); -#endif - -// Allocate memory, only used if buffers are not provided to littlefs -// -// littlefs current has no alignment requirements, as it only allocates -// byte-level buffers. -static inline void *lfs_malloc(size_t size) { -#if defined(LFS_MALLOC) - return LFS_MALLOC(size); -#elif !defined(LFS_NO_MALLOC) - return malloc(size); -#else - (void)size; - return NULL; -#endif -} - -// Deallocate memory, only used if buffers are not provided to littlefs -static inline void lfs_free(void *p) { -#if defined(LFS_FREE) - LFS_FREE(p); -#elif !defined(LFS_NO_MALLOC) - free(p); -#else - (void)p; -#endif -} - - -#ifdef __cplusplus -} /* extern "C" */ -#endif - -#endif -#endif diff --git a/Ganesha_II_V2/Core/Src/lfs.c b/Ganesha_II_V2/Core/Src/lfs.c deleted file mode 100644 index 28a632b..0000000 --- a/Ganesha_II_V2/Core/Src/lfs.c +++ /dev/null @@ -1,6518 +0,0 @@ -/* - * The little filesystem - * - * Copyright (c) 2022, The littlefs authors. - * Copyright (c) 2017, Arm Limited. All rights reserved. - * SPDX-License-Identifier: BSD-3-Clause - */ -#include "lfs.h" -#include "lfs_util.h" - - -// some constants used throughout the code -#define LFS_BLOCK_NULL ((lfs_block_t)-1) -#define LFS_BLOCK_INLINE ((lfs_block_t)-2) - -enum { - LFS_OK_RELOCATED = 1, - LFS_OK_DROPPED = 2, - LFS_OK_ORPHANED = 3, -}; - -enum { - LFS_CMP_EQ = 0, - LFS_CMP_LT = 1, - LFS_CMP_GT = 2, -}; - - -/// Caching block device operations /// - -static inline void lfs_cache_drop(lfs_t *lfs, lfs_cache_t *rcache) { - // do not zero, cheaper if cache is readonly or only going to be - // written with identical data (during relocates) - (void)lfs; - rcache->block = LFS_BLOCK_NULL; -} - -static inline void lfs_cache_zero(lfs_t *lfs, lfs_cache_t *pcache) { - // zero to avoid information leak - memset(pcache->buffer, 0xff, lfs->cfg->cache_size); - pcache->block = LFS_BLOCK_NULL; -} - -static int lfs_bd_read(lfs_t *lfs, - const lfs_cache_t *pcache, lfs_cache_t *rcache, lfs_size_t hint, - lfs_block_t block, lfs_off_t off, - void *buffer, lfs_size_t size) { - uint8_t *data = buffer; - if (off+size > lfs->cfg->block_size - || (lfs->block_count && block >= lfs->block_count)) { - return LFS_ERR_CORRUPT; - } - - while (size > 0) { - lfs_size_t diff = size; - - if (pcache && block == pcache->block && - off < pcache->off + pcache->size) { - if (off >= pcache->off) { - // is already in pcache? - diff = lfs_min(diff, pcache->size - (off-pcache->off)); - memcpy(data, &pcache->buffer[off-pcache->off], diff); - - data += diff; - off += diff; - size -= diff; - continue; - } - - // pcache takes priority - diff = lfs_min(diff, pcache->off-off); - } - - if (block == rcache->block && - off < rcache->off + rcache->size) { - if (off >= rcache->off) { - // is already in rcache? - diff = lfs_min(diff, rcache->size - (off-rcache->off)); - memcpy(data, &rcache->buffer[off-rcache->off], diff); - - data += diff; - off += diff; - size -= diff; - continue; - } - - // rcache takes priority - diff = lfs_min(diff, rcache->off-off); - } - - if (size >= hint && off % lfs->cfg->read_size == 0 && - size >= lfs->cfg->read_size) { - // bypass cache? - diff = lfs_aligndown(diff, lfs->cfg->read_size); - int err = lfs->cfg->read(lfs->cfg, block, off, data, diff); - if (err) { - return err; - } - - data += diff; - off += diff; - size -= diff; - continue; - } - - // load to cache, first condition can no longer fail - LFS_ASSERT(!lfs->block_count || block < lfs->block_count); - rcache->block = block; - rcache->off = lfs_aligndown(off, lfs->cfg->read_size); - rcache->size = lfs_min( - lfs_min( - lfs_alignup(off+hint, lfs->cfg->read_size), - lfs->cfg->block_size) - - rcache->off, - lfs->cfg->cache_size); - int err = lfs->cfg->read(lfs->cfg, rcache->block, - rcache->off, rcache->buffer, rcache->size); - LFS_ASSERT(err <= 0); - if (err) { - return err; - } - } - - return 0; -} - -static int lfs_bd_cmp(lfs_t *lfs, - const lfs_cache_t *pcache, lfs_cache_t *rcache, lfs_size_t hint, - lfs_block_t block, lfs_off_t off, - const void *buffer, lfs_size_t size) { - const uint8_t *data = buffer; - lfs_size_t diff = 0; - - for (lfs_off_t i = 0; i < size; i += diff) { - uint8_t dat[8]; - - diff = lfs_min(size-i, sizeof(dat)); - int err = lfs_bd_read(lfs, - pcache, rcache, hint-i, - block, off+i, &dat, diff); - if (err) { - return err; - } - - int res = memcmp(dat, data + i, diff); - if (res) { - return res < 0 ? LFS_CMP_LT : LFS_CMP_GT; - } - } - - return LFS_CMP_EQ; -} - -static int lfs_bd_crc(lfs_t *lfs, - const lfs_cache_t *pcache, lfs_cache_t *rcache, lfs_size_t hint, - lfs_block_t block, lfs_off_t off, lfs_size_t size, uint32_t *crc) { - lfs_size_t diff = 0; - - for (lfs_off_t i = 0; i < size; i += diff) { - uint8_t dat[8]; - diff = lfs_min(size-i, sizeof(dat)); - int err = lfs_bd_read(lfs, - pcache, rcache, hint-i, - block, off+i, &dat, diff); - if (err) { - return err; - } - - *crc = lfs_crc(*crc, &dat, diff); - } - - return 0; -} - -#ifndef LFS_READONLY -static int lfs_bd_flush(lfs_t *lfs, - lfs_cache_t *pcache, lfs_cache_t *rcache, bool validate) { - if (pcache->block != LFS_BLOCK_NULL && pcache->block != LFS_BLOCK_INLINE) { - LFS_ASSERT(pcache->block < lfs->block_count); - lfs_size_t diff = lfs_alignup(pcache->size, lfs->cfg->prog_size); - int err = lfs->cfg->prog(lfs->cfg, pcache->block, - pcache->off, pcache->buffer, diff); - LFS_ASSERT(err <= 0); - if (err) { - return err; - } - - if (validate) { - // check data on disk - lfs_cache_drop(lfs, rcache); - int res = lfs_bd_cmp(lfs, - NULL, rcache, diff, - pcache->block, pcache->off, pcache->buffer, diff); - if (res < 0) { - return res; - } - - if (res != LFS_CMP_EQ) { - return LFS_ERR_CORRUPT; - } - } - - lfs_cache_zero(lfs, pcache); - } - - return 0; -} -#endif - -#ifndef LFS_READONLY -static int lfs_bd_sync(lfs_t *lfs, - lfs_cache_t *pcache, lfs_cache_t *rcache, bool validate) { - lfs_cache_drop(lfs, rcache); - - int err = lfs_bd_flush(lfs, pcache, rcache, validate); - if (err) { - return err; - } - - err = lfs->cfg->sync(lfs->cfg); - LFS_ASSERT(err <= 0); - return err; -} -#endif - -#ifndef LFS_READONLY -static int lfs_bd_prog(lfs_t *lfs, - lfs_cache_t *pcache, lfs_cache_t *rcache, bool validate, - lfs_block_t block, lfs_off_t off, - const void *buffer, lfs_size_t size) { - const uint8_t *data = buffer; - LFS_ASSERT(block == LFS_BLOCK_INLINE || block < lfs->block_count); - LFS_ASSERT(off + size <= lfs->cfg->block_size); - - while (size > 0) { - if (block == pcache->block && - off >= pcache->off && - off < pcache->off + lfs->cfg->cache_size) { - // already fits in pcache? - lfs_size_t diff = lfs_min(size, - lfs->cfg->cache_size - (off-pcache->off)); - memcpy(&pcache->buffer[off-pcache->off], data, diff); - - data += diff; - off += diff; - size -= diff; - - pcache->size = lfs_max(pcache->size, off - pcache->off); - if (pcache->size == lfs->cfg->cache_size) { - // eagerly flush out pcache if we fill up - int err = lfs_bd_flush(lfs, pcache, rcache, validate); - if (err) { - return err; - } - } - - continue; - } - - // pcache must have been flushed, either by programming and - // entire block or manually flushing the pcache - LFS_ASSERT(pcache->block == LFS_BLOCK_NULL); - - // prepare pcache, first condition can no longer fail - pcache->block = block; - pcache->off = lfs_aligndown(off, lfs->cfg->prog_size); - pcache->size = 0; - } - - return 0; -} -#endif - -#ifndef LFS_READONLY -static int lfs_bd_erase(lfs_t *lfs, lfs_block_t block) { - LFS_ASSERT(block < lfs->block_count); - int err = lfs->cfg->erase(lfs->cfg, block); - LFS_ASSERT(err <= 0); - return err; -} -#endif - - -/// Small type-level utilities /// - -// some operations on paths -static inline lfs_size_t lfs_path_namelen(const char *path) { - return strcspn(path, "/"); -} - -static inline bool lfs_path_islast(const char *path) { - lfs_size_t namelen = lfs_path_namelen(path); - return path[namelen + strspn(path + namelen, "/")] == '\0'; -} - -static inline bool lfs_path_isdir(const char *path) { - return path[lfs_path_namelen(path)] != '\0'; -} - -// operations on block pairs -static inline void lfs_pair_swap(lfs_block_t pair[2]) { - lfs_block_t t = pair[0]; - pair[0] = pair[1]; - pair[1] = t; -} - -static inline bool lfs_pair_isnull(const lfs_block_t pair[2]) { - return pair[0] == LFS_BLOCK_NULL || pair[1] == LFS_BLOCK_NULL; -} - -static inline int lfs_pair_cmp( - const lfs_block_t paira[2], - const lfs_block_t pairb[2]) { - return !(paira[0] == pairb[0] || paira[1] == pairb[1] || - paira[0] == pairb[1] || paira[1] == pairb[0]); -} - -static inline bool lfs_pair_issync( - const lfs_block_t paira[2], - const lfs_block_t pairb[2]) { - return (paira[0] == pairb[0] && paira[1] == pairb[1]) || - (paira[0] == pairb[1] && paira[1] == pairb[0]); -} - -static inline void lfs_pair_fromle32(lfs_block_t pair[2]) { - pair[0] = lfs_fromle32(pair[0]); - pair[1] = lfs_fromle32(pair[1]); -} - -#ifndef LFS_READONLY -static inline void lfs_pair_tole32(lfs_block_t pair[2]) { - pair[0] = lfs_tole32(pair[0]); - pair[1] = lfs_tole32(pair[1]); -} -#endif - -// operations on 32-bit entry tags -typedef uint32_t lfs_tag_t; -typedef int32_t lfs_stag_t; - -#define LFS_MKTAG(type, id, size) \ - (((lfs_tag_t)(type) << 20) | ((lfs_tag_t)(id) << 10) | (lfs_tag_t)(size)) - -#define LFS_MKTAG_IF(cond, type, id, size) \ - ((cond) ? LFS_MKTAG(type, id, size) : LFS_MKTAG(LFS_FROM_NOOP, 0, 0)) - -#define LFS_MKTAG_IF_ELSE(cond, type1, id1, size1, type2, id2, size2) \ - ((cond) ? LFS_MKTAG(type1, id1, size1) : LFS_MKTAG(type2, id2, size2)) - -static inline bool lfs_tag_isvalid(lfs_tag_t tag) { - return !(tag & 0x80000000); -} - -static inline bool lfs_tag_isdelete(lfs_tag_t tag) { - return ((int32_t)(tag << 22) >> 22) == -1; -} - -static inline uint16_t lfs_tag_type1(lfs_tag_t tag) { - return (tag & 0x70000000) >> 20; -} - -static inline uint16_t lfs_tag_type2(lfs_tag_t tag) { - return (tag & 0x78000000) >> 20; -} - -static inline uint16_t lfs_tag_type3(lfs_tag_t tag) { - return (tag & 0x7ff00000) >> 20; -} - -static inline uint8_t lfs_tag_chunk(lfs_tag_t tag) { - return (tag & 0x0ff00000) >> 20; -} - -static inline int8_t lfs_tag_splice(lfs_tag_t tag) { - return (int8_t)lfs_tag_chunk(tag); -} - -static inline uint16_t lfs_tag_id(lfs_tag_t tag) { - return (tag & 0x000ffc00) >> 10; -} - -static inline lfs_size_t lfs_tag_size(lfs_tag_t tag) { - return tag & 0x000003ff; -} - -static inline lfs_size_t lfs_tag_dsize(lfs_tag_t tag) { - return sizeof(tag) + lfs_tag_size(tag + lfs_tag_isdelete(tag)); -} - -// operations on attributes in attribute lists -struct lfs_mattr { - lfs_tag_t tag; - const void *buffer; -}; - -struct lfs_diskoff { - lfs_block_t block; - lfs_off_t off; -}; - -#define LFS_MKATTRS(...) \ - (struct lfs_mattr[]){__VA_ARGS__}, \ - sizeof((struct lfs_mattr[]){__VA_ARGS__}) / sizeof(struct lfs_mattr) - -// operations on global state -static inline void lfs_gstate_xor(lfs_gstate_t *a, const lfs_gstate_t *b) { - a->tag ^= b->tag; - a->pair[0] ^= b->pair[0]; - a->pair[1] ^= b->pair[1]; -} - -static inline bool lfs_gstate_iszero(const lfs_gstate_t *a) { - return a->tag == 0 - && a->pair[0] == 0 - && a->pair[1] == 0; -} - -#ifndef LFS_READONLY -static inline bool lfs_gstate_hasorphans(const lfs_gstate_t *a) { - return lfs_tag_size(a->tag); -} - -static inline uint8_t lfs_gstate_getorphans(const lfs_gstate_t *a) { - return lfs_tag_size(a->tag) & 0x1ff; -} - -static inline bool lfs_gstate_hasmove(const lfs_gstate_t *a) { - return lfs_tag_type1(a->tag); -} -#endif - -static inline bool lfs_gstate_needssuperblock(const lfs_gstate_t *a) { - return lfs_tag_size(a->tag) >> 9; -} - -static inline bool lfs_gstate_hasmovehere(const lfs_gstate_t *a, - const lfs_block_t *pair) { - return lfs_tag_type1(a->tag) && lfs_pair_cmp(a->pair, pair) == 0; -} - -static inline void lfs_gstate_fromle32(lfs_gstate_t *a) { - a->tag = lfs_fromle32(a->tag); - a->pair[0] = lfs_fromle32(a->pair[0]); - a->pair[1] = lfs_fromle32(a->pair[1]); -} - -#ifndef LFS_READONLY -static inline void lfs_gstate_tole32(lfs_gstate_t *a) { - a->tag = lfs_tole32(a->tag); - a->pair[0] = lfs_tole32(a->pair[0]); - a->pair[1] = lfs_tole32(a->pair[1]); -} -#endif - -// operations on forward-CRCs used to track erased state -struct lfs_fcrc { - lfs_size_t size; - uint32_t crc; -}; - -static void lfs_fcrc_fromle32(struct lfs_fcrc *fcrc) { - fcrc->size = lfs_fromle32(fcrc->size); - fcrc->crc = lfs_fromle32(fcrc->crc); -} - -#ifndef LFS_READONLY -static void lfs_fcrc_tole32(struct lfs_fcrc *fcrc) { - fcrc->size = lfs_tole32(fcrc->size); - fcrc->crc = lfs_tole32(fcrc->crc); -} -#endif - -// other endianness operations -static void lfs_ctz_fromle32(struct lfs_ctz *ctz) { - ctz->head = lfs_fromle32(ctz->head); - ctz->size = lfs_fromle32(ctz->size); -} - -#ifndef LFS_READONLY -static void lfs_ctz_tole32(struct lfs_ctz *ctz) { - ctz->head = lfs_tole32(ctz->head); - ctz->size = lfs_tole32(ctz->size); -} -#endif - -static inline void lfs_superblock_fromle32(lfs_superblock_t *superblock) { - superblock->version = lfs_fromle32(superblock->version); - superblock->block_size = lfs_fromle32(superblock->block_size); - superblock->block_count = lfs_fromle32(superblock->block_count); - superblock->name_max = lfs_fromle32(superblock->name_max); - superblock->file_max = lfs_fromle32(superblock->file_max); - superblock->attr_max = lfs_fromle32(superblock->attr_max); -} - -#ifndef LFS_READONLY -static inline void lfs_superblock_tole32(lfs_superblock_t *superblock) { - superblock->version = lfs_tole32(superblock->version); - superblock->block_size = lfs_tole32(superblock->block_size); - superblock->block_count = lfs_tole32(superblock->block_count); - superblock->name_max = lfs_tole32(superblock->name_max); - superblock->file_max = lfs_tole32(superblock->file_max); - superblock->attr_max = lfs_tole32(superblock->attr_max); -} -#endif - -#ifndef LFS_NO_ASSERT -static bool lfs_mlist_isopen(struct lfs_mlist *head, - struct lfs_mlist *node) { - for (struct lfs_mlist **p = &head; *p; p = &(*p)->next) { - if (*p == (struct lfs_mlist*)node) { - return true; - } - } - - return false; -} -#endif - -static void lfs_mlist_remove(lfs_t *lfs, struct lfs_mlist *mlist) { - for (struct lfs_mlist **p = &lfs->mlist; *p; p = &(*p)->next) { - if (*p == mlist) { - *p = (*p)->next; - break; - } - } -} - -static void lfs_mlist_append(lfs_t *lfs, struct lfs_mlist *mlist) { - mlist->next = lfs->mlist; - lfs->mlist = mlist; -} - -// some other filesystem operations -static uint32_t lfs_fs_disk_version(lfs_t *lfs) { - (void)lfs; -#ifdef LFS_MULTIVERSION - if (lfs->cfg->disk_version) { - return lfs->cfg->disk_version; - } else -#endif - { - return LFS_DISK_VERSION; - } -} - -static uint16_t lfs_fs_disk_version_major(lfs_t *lfs) { - return 0xffff & (lfs_fs_disk_version(lfs) >> 16); - -} - -static uint16_t lfs_fs_disk_version_minor(lfs_t *lfs) { - return 0xffff & (lfs_fs_disk_version(lfs) >> 0); -} - - -/// Internal operations predeclared here /// -#ifndef LFS_READONLY -static int lfs_dir_commit(lfs_t *lfs, lfs_mdir_t *dir, - const struct lfs_mattr *attrs, int attrcount); -static int lfs_dir_compact(lfs_t *lfs, - lfs_mdir_t *dir, const struct lfs_mattr *attrs, int attrcount, - lfs_mdir_t *source, uint16_t begin, uint16_t end); -static lfs_ssize_t lfs_file_flushedwrite(lfs_t *lfs, lfs_file_t *file, - const void *buffer, lfs_size_t size); -static lfs_ssize_t lfs_file_write_(lfs_t *lfs, lfs_file_t *file, - const void *buffer, lfs_size_t size); -static int lfs_file_sync_(lfs_t *lfs, lfs_file_t *file); -static int lfs_file_outline(lfs_t *lfs, lfs_file_t *file); -static int lfs_file_flush(lfs_t *lfs, lfs_file_t *file); - -static int lfs_fs_deorphan(lfs_t *lfs, bool powerloss); -static int lfs_fs_preporphans(lfs_t *lfs, int8_t orphans); -static void lfs_fs_prepmove(lfs_t *lfs, - uint16_t id, const lfs_block_t pair[2]); -static int lfs_fs_pred(lfs_t *lfs, const lfs_block_t dir[2], - lfs_mdir_t *pdir); -static lfs_stag_t lfs_fs_parent(lfs_t *lfs, const lfs_block_t dir[2], - lfs_mdir_t *parent); -static int lfs_fs_forceconsistency(lfs_t *lfs); -#endif - -static void lfs_fs_prepsuperblock(lfs_t *lfs, bool needssuperblock); - -#ifdef LFS_MIGRATE -static int lfs1_traverse(lfs_t *lfs, - int (*cb)(void*, lfs_block_t), void *data); -#endif - -static int lfs_dir_rewind_(lfs_t *lfs, lfs_dir_t *dir); - -static lfs_ssize_t lfs_file_flushedread(lfs_t *lfs, lfs_file_t *file, - void *buffer, lfs_size_t size); -static lfs_ssize_t lfs_file_read_(lfs_t *lfs, lfs_file_t *file, - void *buffer, lfs_size_t size); -static int lfs_file_close_(lfs_t *lfs, lfs_file_t *file); -static lfs_soff_t lfs_file_size_(lfs_t *lfs, lfs_file_t *file); - -static lfs_ssize_t lfs_fs_size_(lfs_t *lfs); -static int lfs_fs_traverse_(lfs_t *lfs, - int (*cb)(void *data, lfs_block_t block), void *data, - bool includeorphans); - -static int lfs_deinit(lfs_t *lfs); -static int lfs_unmount_(lfs_t *lfs); - - -/// Block allocator /// - -// allocations should call this when all allocated blocks are committed to -// the filesystem -// -// after a checkpoint, the block allocator may realloc any untracked blocks -static void lfs_alloc_ckpoint(lfs_t *lfs) { - lfs->lookahead.ckpoint = lfs->block_count; -} - -// drop the lookahead buffer, this is done during mounting and failed -// traversals in order to avoid invalid lookahead state -static void lfs_alloc_drop(lfs_t *lfs) { - lfs->lookahead.size = 0; - lfs->lookahead.next = 0; - lfs_alloc_ckpoint(lfs); -} - -#ifndef LFS_READONLY -static int lfs_alloc_lookahead(void *p, lfs_block_t block) { - lfs_t *lfs = (lfs_t*)p; - lfs_block_t off = ((block - lfs->lookahead.start) - + lfs->block_count) % lfs->block_count; - - if (off < lfs->lookahead.size) { - lfs->lookahead.buffer[off / 8] |= 1U << (off % 8); - } - - return 0; -} -#endif - -#ifndef LFS_READONLY -static int lfs_alloc_scan(lfs_t *lfs) { - // move lookahead buffer to the first unused block - // - // note we limit the lookahead buffer to at most the amount of blocks - // checkpointed, this prevents the math in lfs_alloc from underflowing - lfs->lookahead.start = (lfs->lookahead.start + lfs->lookahead.next) - % lfs->block_count; - lfs->lookahead.next = 0; - lfs->lookahead.size = lfs_min( - 8*lfs->cfg->lookahead_size, - lfs->lookahead.ckpoint); - - // find mask of free blocks from tree - memset(lfs->lookahead.buffer, 0, lfs->cfg->lookahead_size); - int err = lfs_fs_traverse_(lfs, lfs_alloc_lookahead, lfs, true); - if (err) { - lfs_alloc_drop(lfs); - return err; - } - - return 0; -} -#endif - -#ifndef LFS_READONLY -static int lfs_alloc(lfs_t *lfs, lfs_block_t *block) { - while (true) { - // scan our lookahead buffer for free blocks - while (lfs->lookahead.next < lfs->lookahead.size) { - if (!(lfs->lookahead.buffer[lfs->lookahead.next / 8] - & (1U << (lfs->lookahead.next % 8)))) { - // found a free block - *block = (lfs->lookahead.start + lfs->lookahead.next) - % lfs->block_count; - - // eagerly find next free block to maximize how many blocks - // lfs_alloc_ckpoint makes available for scanning - while (true) { - lfs->lookahead.next += 1; - lfs->lookahead.ckpoint -= 1; - - if (lfs->lookahead.next >= lfs->lookahead.size - || !(lfs->lookahead.buffer[lfs->lookahead.next / 8] - & (1U << (lfs->lookahead.next % 8)))) { - return 0; - } - } - } - - lfs->lookahead.next += 1; - lfs->lookahead.ckpoint -= 1; - } - - // In order to keep our block allocator from spinning forever when our - // filesystem is full, we mark points where there are no in-flight - // allocations with a checkpoint before starting a set of allocations. - // - // If we've looked at all blocks since the last checkpoint, we report - // the filesystem as out of storage. - // - if (lfs->lookahead.ckpoint <= 0) { - LFS_ERROR("No more free space 0x%"PRIx32, - (lfs->lookahead.start + lfs->lookahead.next) - % lfs->block_count); - return LFS_ERR_NOSPC; - } - - // No blocks in our lookahead buffer, we need to scan the filesystem for - // unused blocks in the next lookahead window. - int err = lfs_alloc_scan(lfs); - if(err) { - return err; - } - } -} -#endif - -/// Metadata pair and directory operations /// -static lfs_stag_t lfs_dir_getslice(lfs_t *lfs, const lfs_mdir_t *dir, - lfs_tag_t gmask, lfs_tag_t gtag, - lfs_off_t goff, void *gbuffer, lfs_size_t gsize) { - lfs_off_t off = dir->off; - lfs_tag_t ntag = dir->etag; - lfs_stag_t gdiff = 0; - - // synthetic moves - if (lfs_gstate_hasmovehere(&lfs->gdisk, dir->pair) && - lfs_tag_id(gmask) != 0) { - if (lfs_tag_id(lfs->gdisk.tag) == lfs_tag_id(gtag)) { - return LFS_ERR_NOENT; - } else if (lfs_tag_id(lfs->gdisk.tag) < lfs_tag_id(gtag)) { - gdiff -= LFS_MKTAG(0, 1, 0); - } - } - - // iterate over dir block backwards (for faster lookups) - while (off >= sizeof(lfs_tag_t) + lfs_tag_dsize(ntag)) { - off -= lfs_tag_dsize(ntag); - lfs_tag_t tag = ntag; - int err = lfs_bd_read(lfs, - NULL, &lfs->rcache, sizeof(ntag), - dir->pair[0], off, &ntag, sizeof(ntag)); - if (err) { - return err; - } - - ntag = (lfs_frombe32(ntag) ^ tag) & 0x7fffffff; - - if (lfs_tag_id(gmask) != 0 && - lfs_tag_type1(tag) == LFS_TYPE_SPLICE && - lfs_tag_id(tag) <= lfs_tag_id(gtag - gdiff)) { - if (tag == (LFS_MKTAG(LFS_TYPE_CREATE, 0, 0) | - (LFS_MKTAG(0, 0x3ff, 0) & (gtag - gdiff)))) { - // found where we were created - return LFS_ERR_NOENT; - } - - // move around splices - gdiff += LFS_MKTAG(0, lfs_tag_splice(tag), 0); - } - - if ((gmask & tag) == (gmask & (gtag - gdiff))) { - if (lfs_tag_isdelete(tag)) { - return LFS_ERR_NOENT; - } - - lfs_size_t diff = lfs_min(lfs_tag_size(tag), gsize); - err = lfs_bd_read(lfs, - NULL, &lfs->rcache, diff, - dir->pair[0], off+sizeof(tag)+goff, gbuffer, diff); - if (err) { - return err; - } - - memset((uint8_t*)gbuffer + diff, 0, gsize - diff); - - return tag + gdiff; - } - } - - return LFS_ERR_NOENT; -} - -static lfs_stag_t lfs_dir_get(lfs_t *lfs, const lfs_mdir_t *dir, - lfs_tag_t gmask, lfs_tag_t gtag, void *buffer) { - return lfs_dir_getslice(lfs, dir, - gmask, gtag, - 0, buffer, lfs_tag_size(gtag)); -} - -static int lfs_dir_getread(lfs_t *lfs, const lfs_mdir_t *dir, - const lfs_cache_t *pcache, lfs_cache_t *rcache, lfs_size_t hint, - lfs_tag_t gmask, lfs_tag_t gtag, - lfs_off_t off, void *buffer, lfs_size_t size) { - uint8_t *data = buffer; - if (off+size > lfs->cfg->block_size) { - return LFS_ERR_CORRUPT; - } - - while (size > 0) { - lfs_size_t diff = size; - - if (pcache && pcache->block == LFS_BLOCK_INLINE && - off < pcache->off + pcache->size) { - if (off >= pcache->off) { - // is already in pcache? - diff = lfs_min(diff, pcache->size - (off-pcache->off)); - memcpy(data, &pcache->buffer[off-pcache->off], diff); - - data += diff; - off += diff; - size -= diff; - continue; - } - - // pcache takes priority - diff = lfs_min(diff, pcache->off-off); - } - - if (rcache->block == LFS_BLOCK_INLINE && - off < rcache->off + rcache->size) { - if (off >= rcache->off) { - // is already in rcache? - diff = lfs_min(diff, rcache->size - (off-rcache->off)); - memcpy(data, &rcache->buffer[off-rcache->off], diff); - - data += diff; - off += diff; - size -= diff; - continue; - } - - // rcache takes priority - diff = lfs_min(diff, rcache->off-off); - } - - // load to cache, first condition can no longer fail - rcache->block = LFS_BLOCK_INLINE; - rcache->off = lfs_aligndown(off, lfs->cfg->read_size); - rcache->size = lfs_min(lfs_alignup(off+hint, lfs->cfg->read_size), - lfs->cfg->cache_size); - int err = lfs_dir_getslice(lfs, dir, gmask, gtag, - rcache->off, rcache->buffer, rcache->size); - if (err < 0) { - return err; - } - } - - return 0; -} - -#ifndef LFS_READONLY -static int lfs_dir_traverse_filter(void *p, - lfs_tag_t tag, const void *buffer) { - lfs_tag_t *filtertag = p; - (void)buffer; - - // which mask depends on unique bit in tag structure - uint32_t mask = (tag & LFS_MKTAG(0x100, 0, 0)) - ? LFS_MKTAG(0x7ff, 0x3ff, 0) - : LFS_MKTAG(0x700, 0x3ff, 0); - - // check for redundancy - if ((mask & tag) == (mask & *filtertag) || - lfs_tag_isdelete(*filtertag) || - (LFS_MKTAG(0x7ff, 0x3ff, 0) & tag) == ( - LFS_MKTAG(LFS_TYPE_DELETE, 0, 0) | - (LFS_MKTAG(0, 0x3ff, 0) & *filtertag))) { - *filtertag = LFS_MKTAG(LFS_FROM_NOOP, 0, 0); - return true; - } - - // check if we need to adjust for created/deleted tags - if (lfs_tag_type1(tag) == LFS_TYPE_SPLICE && - lfs_tag_id(tag) <= lfs_tag_id(*filtertag)) { - *filtertag += LFS_MKTAG(0, lfs_tag_splice(tag), 0); - } - - return false; -} -#endif - -#ifndef LFS_READONLY -// maximum recursive depth of lfs_dir_traverse, the deepest call: -// -// traverse with commit -// '-> traverse with move -// '-> traverse with filter -// -#define LFS_DIR_TRAVERSE_DEPTH 3 - -struct lfs_dir_traverse { - const lfs_mdir_t *dir; - lfs_off_t off; - lfs_tag_t ptag; - const struct lfs_mattr *attrs; - int attrcount; - - lfs_tag_t tmask; - lfs_tag_t ttag; - uint16_t begin; - uint16_t end; - int16_t diff; - - int (*cb)(void *data, lfs_tag_t tag, const void *buffer); - void *data; - - lfs_tag_t tag; - const void *buffer; - struct lfs_diskoff disk; -}; - -static int lfs_dir_traverse(lfs_t *lfs, - const lfs_mdir_t *dir, lfs_off_t off, lfs_tag_t ptag, - const struct lfs_mattr *attrs, int attrcount, - lfs_tag_t tmask, lfs_tag_t ttag, - uint16_t begin, uint16_t end, int16_t diff, - int (*cb)(void *data, lfs_tag_t tag, const void *buffer), void *data) { - // This function in inherently recursive, but bounded. To allow tool-based - // analysis without unnecessary code-cost we use an explicit stack - struct lfs_dir_traverse stack[LFS_DIR_TRAVERSE_DEPTH-1]; - unsigned sp = 0; - int res; - - // iterate over directory and attrs - lfs_tag_t tag; - const void *buffer; - struct lfs_diskoff disk = {0}; - while (true) { - { - if (off+lfs_tag_dsize(ptag) < dir->off) { - off += lfs_tag_dsize(ptag); - int err = lfs_bd_read(lfs, - NULL, &lfs->rcache, sizeof(tag), - dir->pair[0], off, &tag, sizeof(tag)); - if (err) { - return err; - } - - tag = (lfs_frombe32(tag) ^ ptag) | 0x80000000; - disk.block = dir->pair[0]; - disk.off = off+sizeof(lfs_tag_t); - buffer = &disk; - ptag = tag; - } else if (attrcount > 0) { - tag = attrs[0].tag; - buffer = attrs[0].buffer; - attrs += 1; - attrcount -= 1; - } else { - // finished traversal, pop from stack? - res = 0; - break; - } - - // do we need to filter? - lfs_tag_t mask = LFS_MKTAG(0x7ff, 0, 0); - if ((mask & tmask & tag) != (mask & tmask & ttag)) { - continue; - } - - if (lfs_tag_id(tmask) != 0) { - LFS_ASSERT(sp < LFS_DIR_TRAVERSE_DEPTH); - // recurse, scan for duplicates, and update tag based on - // creates/deletes - stack[sp] = (struct lfs_dir_traverse){ - .dir = dir, - .off = off, - .ptag = ptag, - .attrs = attrs, - .attrcount = attrcount, - .tmask = tmask, - .ttag = ttag, - .begin = begin, - .end = end, - .diff = diff, - .cb = cb, - .data = data, - .tag = tag, - .buffer = buffer, - .disk = disk, - }; - sp += 1; - - tmask = 0; - ttag = 0; - begin = 0; - end = 0; - diff = 0; - cb = lfs_dir_traverse_filter; - data = &stack[sp-1].tag; - continue; - } - } - -popped: - // in filter range? - if (lfs_tag_id(tmask) != 0 && - !(lfs_tag_id(tag) >= begin && lfs_tag_id(tag) < end)) { - continue; - } - - // handle special cases for mcu-side operations - if (lfs_tag_type3(tag) == LFS_FROM_NOOP) { - // do nothing - } else if (lfs_tag_type3(tag) == LFS_FROM_MOVE) { - // Without this condition, lfs_dir_traverse can exhibit an - // extremely expensive O(n^3) of nested loops when renaming. - // This happens because lfs_dir_traverse tries to filter tags by - // the tags in the source directory, triggering a second - // lfs_dir_traverse with its own filter operation. - // - // traverse with commit - // '-> traverse with filter - // '-> traverse with move - // '-> traverse with filter - // - // However we don't actually care about filtering the second set of - // tags, since duplicate tags have no effect when filtering. - // - // This check skips this unnecessary recursive filtering explicitly, - // reducing this runtime from O(n^3) to O(n^2). - if (cb == lfs_dir_traverse_filter) { - continue; - } - - // recurse into move - stack[sp] = (struct lfs_dir_traverse){ - .dir = dir, - .off = off, - .ptag = ptag, - .attrs = attrs, - .attrcount = attrcount, - .tmask = tmask, - .ttag = ttag, - .begin = begin, - .end = end, - .diff = diff, - .cb = cb, - .data = data, - .tag = LFS_MKTAG(LFS_FROM_NOOP, 0, 0), - }; - sp += 1; - - uint16_t fromid = lfs_tag_size(tag); - uint16_t toid = lfs_tag_id(tag); - dir = buffer; - off = 0; - ptag = 0xffffffff; - attrs = NULL; - attrcount = 0; - tmask = LFS_MKTAG(0x600, 0x3ff, 0); - ttag = LFS_MKTAG(LFS_TYPE_STRUCT, 0, 0); - begin = fromid; - end = fromid+1; - diff = toid-fromid+diff; - } else if (lfs_tag_type3(tag) == LFS_FROM_USERATTRS) { - for (unsigned i = 0; i < lfs_tag_size(tag); i++) { - const struct lfs_attr *a = buffer; - res = cb(data, LFS_MKTAG(LFS_TYPE_USERATTR + a[i].type, - lfs_tag_id(tag) + diff, a[i].size), a[i].buffer); - if (res < 0) { - return res; - } - - if (res) { - break; - } - } - } else { - res = cb(data, tag + LFS_MKTAG(0, diff, 0), buffer); - if (res < 0) { - return res; - } - - if (res) { - break; - } - } - } - - if (sp > 0) { - // pop from the stack and return, fortunately all pops share - // a destination - dir = stack[sp-1].dir; - off = stack[sp-1].off; - ptag = stack[sp-1].ptag; - attrs = stack[sp-1].attrs; - attrcount = stack[sp-1].attrcount; - tmask = stack[sp-1].tmask; - ttag = stack[sp-1].ttag; - begin = stack[sp-1].begin; - end = stack[sp-1].end; - diff = stack[sp-1].diff; - cb = stack[sp-1].cb; - data = stack[sp-1].data; - tag = stack[sp-1].tag; - buffer = stack[sp-1].buffer; - disk = stack[sp-1].disk; - sp -= 1; - goto popped; - } else { - return res; - } -} -#endif - -static lfs_stag_t lfs_dir_fetchmatch(lfs_t *lfs, - lfs_mdir_t *dir, const lfs_block_t pair[2], - lfs_tag_t fmask, lfs_tag_t ftag, uint16_t *id, - int (*cb)(void *data, lfs_tag_t tag, const void *buffer), void *data) { - // we can find tag very efficiently during a fetch, since we're already - // scanning the entire directory - lfs_stag_t besttag = -1; - - // if either block address is invalid we return LFS_ERR_CORRUPT here, - // otherwise later writes to the pair could fail - if (lfs->block_count - && (pair[0] >= lfs->block_count || pair[1] >= lfs->block_count)) { - return LFS_ERR_CORRUPT; - } - - // find the block with the most recent revision - uint32_t revs[2] = {0, 0}; - int r = 0; - for (int i = 0; i < 2; i++) { - int err = lfs_bd_read(lfs, - NULL, &lfs->rcache, sizeof(revs[i]), - pair[i], 0, &revs[i], sizeof(revs[i])); - revs[i] = lfs_fromle32(revs[i]); - if (err && err != LFS_ERR_CORRUPT) { - return err; - } - - if (err != LFS_ERR_CORRUPT && - lfs_scmp(revs[i], revs[(i+1)%2]) > 0) { - r = i; - } - } - - dir->pair[0] = pair[(r+0)%2]; - dir->pair[1] = pair[(r+1)%2]; - dir->rev = revs[(r+0)%2]; - dir->off = 0; // nonzero = found some commits - - // now scan tags to fetch the actual dir and find possible match - for (int i = 0; i < 2; i++) { - lfs_off_t off = 0; - lfs_tag_t ptag = 0xffffffff; - - uint16_t tempcount = 0; - lfs_block_t temptail[2] = {LFS_BLOCK_NULL, LFS_BLOCK_NULL}; - bool tempsplit = false; - lfs_stag_t tempbesttag = besttag; - - // assume not erased until proven otherwise - bool maybeerased = false; - bool hasfcrc = false; - struct lfs_fcrc fcrc; - - dir->rev = lfs_tole32(dir->rev); - uint32_t crc = lfs_crc(0xffffffff, &dir->rev, sizeof(dir->rev)); - dir->rev = lfs_fromle32(dir->rev); - - while (true) { - // extract next tag - lfs_tag_t tag; - off += lfs_tag_dsize(ptag); - int err = lfs_bd_read(lfs, - NULL, &lfs->rcache, lfs->cfg->block_size, - dir->pair[0], off, &tag, sizeof(tag)); - if (err) { - if (err == LFS_ERR_CORRUPT) { - // can't continue? - break; - } - return err; - } - - crc = lfs_crc(crc, &tag, sizeof(tag)); - tag = lfs_frombe32(tag) ^ ptag; - - // next commit not yet programmed? - if (!lfs_tag_isvalid(tag)) { - // we only might be erased if the last tag was a crc - maybeerased = (lfs_tag_type2(ptag) == LFS_TYPE_CCRC); - break; - // out of range? - } else if (off + lfs_tag_dsize(tag) > lfs->cfg->block_size) { - break; - } - - ptag = tag; - - if (lfs_tag_type2(tag) == LFS_TYPE_CCRC) { - // check the crc attr - uint32_t dcrc; - err = lfs_bd_read(lfs, - NULL, &lfs->rcache, lfs->cfg->block_size, - dir->pair[0], off+sizeof(tag), &dcrc, sizeof(dcrc)); - if (err) { - if (err == LFS_ERR_CORRUPT) { - break; - } - return err; - } - dcrc = lfs_fromle32(dcrc); - - if (crc != dcrc) { - break; - } - - // reset the next bit if we need to - ptag ^= (lfs_tag_t)(lfs_tag_chunk(tag) & 1U) << 31; - - // toss our crc into the filesystem seed for - // pseudorandom numbers, note we use another crc here - // as a collection function because it is sufficiently - // random and convenient - lfs->seed = lfs_crc(lfs->seed, &crc, sizeof(crc)); - - // update with what's found so far - besttag = tempbesttag; - dir->off = off + lfs_tag_dsize(tag); - dir->etag = ptag; - dir->count = tempcount; - dir->tail[0] = temptail[0]; - dir->tail[1] = temptail[1]; - dir->split = tempsplit; - - // reset crc, hasfcrc - crc = 0xffffffff; - continue; - } - - // crc the entry first, hopefully leaving it in the cache - err = lfs_bd_crc(lfs, - NULL, &lfs->rcache, lfs->cfg->block_size, - dir->pair[0], off+sizeof(tag), - lfs_tag_dsize(tag)-sizeof(tag), &crc); - if (err) { - if (err == LFS_ERR_CORRUPT) { - break; - } - return err; - } - - // directory modification tags? - if (lfs_tag_type1(tag) == LFS_TYPE_NAME) { - // increase count of files if necessary - if (lfs_tag_id(tag) >= tempcount) { - tempcount = lfs_tag_id(tag) + 1; - } - } else if (lfs_tag_type1(tag) == LFS_TYPE_SPLICE) { - tempcount += lfs_tag_splice(tag); - - if (tag == (LFS_MKTAG(LFS_TYPE_DELETE, 0, 0) | - (LFS_MKTAG(0, 0x3ff, 0) & tempbesttag))) { - tempbesttag |= 0x80000000; - } else if (tempbesttag != -1 && - lfs_tag_id(tag) <= lfs_tag_id(tempbesttag)) { - tempbesttag += LFS_MKTAG(0, lfs_tag_splice(tag), 0); - } - } else if (lfs_tag_type1(tag) == LFS_TYPE_TAIL) { - tempsplit = (lfs_tag_chunk(tag) & 1); - - err = lfs_bd_read(lfs, - NULL, &lfs->rcache, lfs->cfg->block_size, - dir->pair[0], off+sizeof(tag), &temptail, 8); - if (err) { - if (err == LFS_ERR_CORRUPT) { - break; - } - return err; - } - lfs_pair_fromle32(temptail); - } else if (lfs_tag_type3(tag) == LFS_TYPE_FCRC) { - err = lfs_bd_read(lfs, - NULL, &lfs->rcache, lfs->cfg->block_size, - dir->pair[0], off+sizeof(tag), - &fcrc, sizeof(fcrc)); - if (err) { - if (err == LFS_ERR_CORRUPT) { - break; - } - } - - lfs_fcrc_fromle32(&fcrc); - hasfcrc = true; - } - - // found a match for our fetcher? - if ((fmask & tag) == (fmask & ftag)) { - int res = cb(data, tag, &(struct lfs_diskoff){ - dir->pair[0], off+sizeof(tag)}); - if (res < 0) { - if (res == LFS_ERR_CORRUPT) { - break; - } - return res; - } - - if (res == LFS_CMP_EQ) { - // found a match - tempbesttag = tag; - } else if ((LFS_MKTAG(0x7ff, 0x3ff, 0) & tag) == - (LFS_MKTAG(0x7ff, 0x3ff, 0) & tempbesttag)) { - // found an identical tag, but contents didn't match - // this must mean that our besttag has been overwritten - tempbesttag = -1; - } else if (res == LFS_CMP_GT && - lfs_tag_id(tag) <= lfs_tag_id(tempbesttag)) { - // found a greater match, keep track to keep things sorted - tempbesttag = tag | 0x80000000; - } - } - } - - // found no valid commits? - if (dir->off == 0) { - // try the other block? - lfs_pair_swap(dir->pair); - dir->rev = revs[(r+1)%2]; - continue; - } - - // did we end on a valid commit? we may have an erased block - dir->erased = false; - if (maybeerased && dir->off % lfs->cfg->prog_size == 0) { - #ifdef LFS_MULTIVERSION - // note versions < lfs2.1 did not have fcrc tags, if - // we're < lfs2.1 treat missing fcrc as erased data - // - // we don't strictly need to do this, but otherwise writing - // to lfs2.0 disks becomes very inefficient - if (lfs_fs_disk_version(lfs) < 0x00020001) { - dir->erased = true; - - } else - #endif - if (hasfcrc) { - // check for an fcrc matching the next prog's erased state, if - // this failed most likely a previous prog was interrupted, we - // need a new erase - uint32_t fcrc_ = 0xffffffff; - int err = lfs_bd_crc(lfs, - NULL, &lfs->rcache, lfs->cfg->block_size, - dir->pair[0], dir->off, fcrc.size, &fcrc_); - if (err && err != LFS_ERR_CORRUPT) { - return err; - } - - // found beginning of erased part? - dir->erased = (fcrc_ == fcrc.crc); - } - } - - // synthetic move - if (lfs_gstate_hasmovehere(&lfs->gdisk, dir->pair)) { - if (lfs_tag_id(lfs->gdisk.tag) == lfs_tag_id(besttag)) { - besttag |= 0x80000000; - } else if (besttag != -1 && - lfs_tag_id(lfs->gdisk.tag) < lfs_tag_id(besttag)) { - besttag -= LFS_MKTAG(0, 1, 0); - } - } - - // found tag? or found best id? - if (id) { - *id = lfs_min(lfs_tag_id(besttag), dir->count); - } - - if (lfs_tag_isvalid(besttag)) { - return besttag; - } else if (lfs_tag_id(besttag) < dir->count) { - return LFS_ERR_NOENT; - } else { - return 0; - } - } - - LFS_ERROR("Corrupted dir pair at {0x%"PRIx32", 0x%"PRIx32"}", - dir->pair[0], dir->pair[1]); - return LFS_ERR_CORRUPT; -} - -static int lfs_dir_fetch(lfs_t *lfs, - lfs_mdir_t *dir, const lfs_block_t pair[2]) { - // note, mask=-1, tag=-1 can never match a tag since this - // pattern has the invalid bit set - return (int)lfs_dir_fetchmatch(lfs, dir, pair, - (lfs_tag_t)-1, (lfs_tag_t)-1, NULL, NULL, NULL); -} - -static int lfs_dir_getgstate(lfs_t *lfs, const lfs_mdir_t *dir, - lfs_gstate_t *gstate) { - lfs_gstate_t temp; - lfs_stag_t res = lfs_dir_get(lfs, dir, LFS_MKTAG(0x7ff, 0, 0), - LFS_MKTAG(LFS_TYPE_MOVESTATE, 0, sizeof(temp)), &temp); - if (res < 0 && res != LFS_ERR_NOENT) { - return res; - } - - if (res != LFS_ERR_NOENT) { - // xor together to find resulting gstate - lfs_gstate_fromle32(&temp); - lfs_gstate_xor(gstate, &temp); - } - - return 0; -} - -static int lfs_dir_getinfo(lfs_t *lfs, lfs_mdir_t *dir, - uint16_t id, struct lfs_info *info) { - if (id == 0x3ff) { - // special case for root - strcpy(info->name, "/"); - info->type = LFS_TYPE_DIR; - return 0; - } - - lfs_stag_t tag = lfs_dir_get(lfs, dir, LFS_MKTAG(0x780, 0x3ff, 0), - LFS_MKTAG(LFS_TYPE_NAME, id, lfs->name_max+1), info->name); - if (tag < 0) { - return (int)tag; - } - - info->type = lfs_tag_type3(tag); - - struct lfs_ctz ctz; - tag = lfs_dir_get(lfs, dir, LFS_MKTAG(0x700, 0x3ff, 0), - LFS_MKTAG(LFS_TYPE_STRUCT, id, sizeof(ctz)), &ctz); - if (tag < 0) { - return (int)tag; - } - lfs_ctz_fromle32(&ctz); - - if (lfs_tag_type3(tag) == LFS_TYPE_CTZSTRUCT) { - info->size = ctz.size; - } else if (lfs_tag_type3(tag) == LFS_TYPE_INLINESTRUCT) { - info->size = lfs_tag_size(tag); - } - - return 0; -} - -struct lfs_dir_find_match { - lfs_t *lfs; - const void *name; - lfs_size_t size; -}; - -static int lfs_dir_find_match(void *data, - lfs_tag_t tag, const void *buffer) { - struct lfs_dir_find_match *name = data; - lfs_t *lfs = name->lfs; - const struct lfs_diskoff *disk = buffer; - - // compare with disk - lfs_size_t diff = lfs_min(name->size, lfs_tag_size(tag)); - int res = lfs_bd_cmp(lfs, - NULL, &lfs->rcache, diff, - disk->block, disk->off, name->name, diff); - if (res != LFS_CMP_EQ) { - return res; - } - - // only equal if our size is still the same - if (name->size != lfs_tag_size(tag)) { - return (name->size < lfs_tag_size(tag)) ? LFS_CMP_LT : LFS_CMP_GT; - } - - // found a match! - return LFS_CMP_EQ; -} - -// lfs_dir_find tries to set path and id even if file is not found -// -// returns: -// - 0 if file is found -// - LFS_ERR_NOENT if file or parent is not found -// - LFS_ERR_NOTDIR if parent is not a dir -static lfs_stag_t lfs_dir_find(lfs_t *lfs, lfs_mdir_t *dir, - const char **path, uint16_t *id) { - // we reduce path to a single name if we can find it - const char *name = *path; - - // default to root dir - lfs_stag_t tag = LFS_MKTAG(LFS_TYPE_DIR, 0x3ff, 0); - dir->tail[0] = lfs->root[0]; - dir->tail[1] = lfs->root[1]; - - // empty paths are not allowed - if (*name == '\0') { - return LFS_ERR_INVAL; - } - - while (true) { -nextname: - // skip slashes if we're a directory - if (lfs_tag_type3(tag) == LFS_TYPE_DIR) { - name += strspn(name, "/"); - } - lfs_size_t namelen = strcspn(name, "/"); - - // skip '.' - if (namelen == 1 && memcmp(name, ".", 1) == 0) { - name += namelen; - goto nextname; - } - - // error on unmatched '..', trying to go above root? - if (namelen == 2 && memcmp(name, "..", 2) == 0) { - return LFS_ERR_INVAL; - } - - // skip if matched by '..' in name - const char *suffix = name + namelen; - lfs_size_t sufflen; - int depth = 1; - while (true) { - suffix += strspn(suffix, "/"); - sufflen = strcspn(suffix, "/"); - if (sufflen == 0) { - break; - } - - if (sufflen == 1 && memcmp(suffix, ".", 1) == 0) { - // noop - } else if (sufflen == 2 && memcmp(suffix, "..", 2) == 0) { - depth -= 1; - if (depth == 0) { - name = suffix + sufflen; - goto nextname; - } - } else { - depth += 1; - } - - suffix += sufflen; - } - - // found path - if (*name == '\0') { - return tag; - } - - // update what we've found so far - *path = name; - - // only continue if we're a directory - if (lfs_tag_type3(tag) != LFS_TYPE_DIR) { - return LFS_ERR_NOTDIR; - } - - // grab the entry data - if (lfs_tag_id(tag) != 0x3ff) { - lfs_stag_t res = lfs_dir_get(lfs, dir, LFS_MKTAG(0x700, 0x3ff, 0), - LFS_MKTAG(LFS_TYPE_STRUCT, lfs_tag_id(tag), 8), dir->tail); - if (res < 0) { - return res; - } - lfs_pair_fromle32(dir->tail); - } - - // find entry matching name - while (true) { - tag = lfs_dir_fetchmatch(lfs, dir, dir->tail, - LFS_MKTAG(0x780, 0, 0), - LFS_MKTAG(LFS_TYPE_NAME, 0, namelen), - id, - lfs_dir_find_match, &(struct lfs_dir_find_match){ - lfs, name, namelen}); - if (tag < 0) { - return tag; - } - - if (tag) { - break; - } - - if (!dir->split) { - return LFS_ERR_NOENT; - } - } - - // to next name - name += namelen; - } -} - -// commit logic -struct lfs_commit { - lfs_block_t block; - lfs_off_t off; - lfs_tag_t ptag; - uint32_t crc; - - lfs_off_t begin; - lfs_off_t end; -}; - -#ifndef LFS_READONLY -static int lfs_dir_commitprog(lfs_t *lfs, struct lfs_commit *commit, - const void *buffer, lfs_size_t size) { - int err = lfs_bd_prog(lfs, - &lfs->pcache, &lfs->rcache, false, - commit->block, commit->off , - (const uint8_t*)buffer, size); - if (err) { - return err; - } - - commit->crc = lfs_crc(commit->crc, buffer, size); - commit->off += size; - return 0; -} -#endif - -#ifndef LFS_READONLY -static int lfs_dir_commitattr(lfs_t *lfs, struct lfs_commit *commit, - lfs_tag_t tag, const void *buffer) { - // check if we fit - lfs_size_t dsize = lfs_tag_dsize(tag); - if (commit->off + dsize > commit->end) { - return LFS_ERR_NOSPC; - } - - // write out tag - lfs_tag_t ntag = lfs_tobe32((tag & 0x7fffffff) ^ commit->ptag); - int err = lfs_dir_commitprog(lfs, commit, &ntag, sizeof(ntag)); - if (err) { - return err; - } - - if (!(tag & 0x80000000)) { - // from memory - err = lfs_dir_commitprog(lfs, commit, buffer, dsize-sizeof(tag)); - if (err) { - return err; - } - } else { - // from disk - const struct lfs_diskoff *disk = buffer; - for (lfs_off_t i = 0; i < dsize-sizeof(tag); i++) { - // rely on caching to make this efficient - uint8_t dat; - err = lfs_bd_read(lfs, - NULL, &lfs->rcache, dsize-sizeof(tag)-i, - disk->block, disk->off+i, &dat, 1); - if (err) { - return err; - } - - err = lfs_dir_commitprog(lfs, commit, &dat, 1); - if (err) { - return err; - } - } - } - - commit->ptag = tag & 0x7fffffff; - return 0; -} -#endif - -#ifndef LFS_READONLY - -static int lfs_dir_commitcrc(lfs_t *lfs, struct lfs_commit *commit) { - // align to program units - // - // this gets a bit complex as we have two types of crcs: - // - 5-word crc with fcrc to check following prog (middle of block) - // - 2-word crc with no following prog (end of block) - const lfs_off_t end = lfs_alignup( - lfs_min(commit->off + 5*sizeof(uint32_t), lfs->cfg->block_size), - lfs->cfg->prog_size); - - lfs_off_t off1 = 0; - uint32_t crc1 = 0; - - // create crc tags to fill up remainder of commit, note that - // padding is not crced, which lets fetches skip padding but - // makes committing a bit more complicated - while (commit->off < end) { - lfs_off_t noff = ( - lfs_min(end - (commit->off+sizeof(lfs_tag_t)), 0x3fe) - + (commit->off+sizeof(lfs_tag_t))); - // too large for crc tag? need padding commits - if (noff < end) { - noff = lfs_min(noff, end - 5*sizeof(uint32_t)); - } - - // space for fcrc? - uint8_t eperturb = (uint8_t)-1; - if (noff >= end && noff <= lfs->cfg->block_size - lfs->cfg->prog_size) { - // first read the leading byte, this always contains a bit - // we can perturb to avoid writes that don't change the fcrc - int err = lfs_bd_read(lfs, - NULL, &lfs->rcache, lfs->cfg->prog_size, - commit->block, noff, &eperturb, 1); - if (err && err != LFS_ERR_CORRUPT) { - return err; - } - - #ifdef LFS_MULTIVERSION - // unfortunately fcrcs break mdir fetching < lfs2.1, so only write - // these if we're a >= lfs2.1 filesystem - if (lfs_fs_disk_version(lfs) <= 0x00020000) { - // don't write fcrc - } else - #endif - { - // find the expected fcrc, don't bother avoiding a reread - // of the eperturb, it should still be in our cache - struct lfs_fcrc fcrc = { - .size = lfs->cfg->prog_size, - .crc = 0xffffffff - }; - err = lfs_bd_crc(lfs, - NULL, &lfs->rcache, lfs->cfg->prog_size, - commit->block, noff, fcrc.size, &fcrc.crc); - if (err && err != LFS_ERR_CORRUPT) { - return err; - } - - lfs_fcrc_tole32(&fcrc); - err = lfs_dir_commitattr(lfs, commit, - LFS_MKTAG(LFS_TYPE_FCRC, 0x3ff, sizeof(struct lfs_fcrc)), - &fcrc); - if (err) { - return err; - } - } - } - - // build commit crc - struct { - lfs_tag_t tag; - uint32_t crc; - } ccrc; - lfs_tag_t ntag = LFS_MKTAG( - LFS_TYPE_CCRC + (((uint8_t)~eperturb) >> 7), 0x3ff, - noff - (commit->off+sizeof(lfs_tag_t))); - ccrc.tag = lfs_tobe32(ntag ^ commit->ptag); - commit->crc = lfs_crc(commit->crc, &ccrc.tag, sizeof(lfs_tag_t)); - ccrc.crc = lfs_tole32(commit->crc); - - int err = lfs_bd_prog(lfs, - &lfs->pcache, &lfs->rcache, false, - commit->block, commit->off, &ccrc, sizeof(ccrc)); - if (err) { - return err; - } - - // keep track of non-padding checksum to verify - if (off1 == 0) { - off1 = commit->off + sizeof(lfs_tag_t); - crc1 = commit->crc; - } - - commit->off = noff; - // perturb valid bit? - commit->ptag = ntag ^ ((0x80UL & ~eperturb) << 24); - // reset crc for next commit - commit->crc = 0xffffffff; - - // manually flush here since we don't prog the padding, this confuses - // the caching layer - if (noff >= end || noff >= lfs->pcache.off + lfs->cfg->cache_size) { - // flush buffers - int err = lfs_bd_sync(lfs, &lfs->pcache, &lfs->rcache, false); - if (err) { - return err; - } - } - } - - // successful commit, check checksums to make sure - // - // note that we don't need to check padding commits, worst - // case if they are corrupted we would have had to compact anyways - lfs_off_t off = commit->begin; - uint32_t crc = 0xffffffff; - int err = lfs_bd_crc(lfs, - NULL, &lfs->rcache, off1+sizeof(uint32_t), - commit->block, off, off1-off, &crc); - if (err) { - return err; - } - - // check non-padding commits against known crc - if (crc != crc1) { - return LFS_ERR_CORRUPT; - } - - // make sure to check crc in case we happen to pick - // up an unrelated crc (frozen block?) - err = lfs_bd_crc(lfs, - NULL, &lfs->rcache, sizeof(uint32_t), - commit->block, off1, sizeof(uint32_t), &crc); - if (err) { - return err; - } - - if (crc != 0) { - return LFS_ERR_CORRUPT; - } - - return 0; -} -#endif - -#ifndef LFS_READONLY -static int lfs_dir_alloc(lfs_t *lfs, lfs_mdir_t *dir) { - // allocate pair of dir blocks (backwards, so we write block 1 first) - for (int i = 0; i < 2; i++) { - int err = lfs_alloc(lfs, &dir->pair[(i+1)%2]); - if (err) { - return err; - } - } - - // zero for reproducibility in case initial block is unreadable - dir->rev = 0; - - // rather than clobbering one of the blocks we just pretend - // the revision may be valid - int err = lfs_bd_read(lfs, - NULL, &lfs->rcache, sizeof(dir->rev), - dir->pair[0], 0, &dir->rev, sizeof(dir->rev)); - dir->rev = lfs_fromle32(dir->rev); - if (err && err != LFS_ERR_CORRUPT) { - return err; - } - - // to make sure we don't immediately evict, align the new revision count - // to our block_cycles modulus, see lfs_dir_compact for why our modulus - // is tweaked this way - if (lfs->cfg->block_cycles > 0) { - dir->rev = lfs_alignup(dir->rev, ((lfs->cfg->block_cycles+1)|1)); - } - - // set defaults - dir->off = sizeof(dir->rev); - dir->etag = 0xffffffff; - dir->count = 0; - dir->tail[0] = LFS_BLOCK_NULL; - dir->tail[1] = LFS_BLOCK_NULL; - dir->erased = false; - dir->split = false; - - // don't write out yet, let caller take care of that - return 0; -} -#endif - -#ifndef LFS_READONLY -static int lfs_dir_drop(lfs_t *lfs, lfs_mdir_t *dir, lfs_mdir_t *tail) { - // steal state - int err = lfs_dir_getgstate(lfs, tail, &lfs->gdelta); - if (err) { - return err; - } - - // steal tail - lfs_pair_tole32(tail->tail); - err = lfs_dir_commit(lfs, dir, LFS_MKATTRS( - {LFS_MKTAG(LFS_TYPE_TAIL + tail->split, 0x3ff, 8), tail->tail})); - lfs_pair_fromle32(tail->tail); - if (err) { - return err; - } - - return 0; -} -#endif - -#ifndef LFS_READONLY -static int lfs_dir_split(lfs_t *lfs, - lfs_mdir_t *dir, const struct lfs_mattr *attrs, int attrcount, - lfs_mdir_t *source, uint16_t split, uint16_t end) { - // create tail metadata pair - lfs_mdir_t tail; - int err = lfs_dir_alloc(lfs, &tail); - if (err) { - return err; - } - - tail.split = dir->split; - tail.tail[0] = dir->tail[0]; - tail.tail[1] = dir->tail[1]; - - // note we don't care about LFS_OK_RELOCATED - int res = lfs_dir_compact(lfs, &tail, attrs, attrcount, source, split, end); - if (res < 0) { - return res; - } - - dir->tail[0] = tail.pair[0]; - dir->tail[1] = tail.pair[1]; - dir->split = true; - - // update root if needed - if (lfs_pair_cmp(dir->pair, lfs->root) == 0 && split == 0) { - lfs->root[0] = tail.pair[0]; - lfs->root[1] = tail.pair[1]; - } - - return 0; -} -#endif - -#ifndef LFS_READONLY -static int lfs_dir_commit_size(void *p, lfs_tag_t tag, const void *buffer) { - lfs_size_t *size = p; - (void)buffer; - - *size += lfs_tag_dsize(tag); - return 0; -} -#endif - -#ifndef LFS_READONLY -struct lfs_dir_commit_commit { - lfs_t *lfs; - struct lfs_commit *commit; -}; -#endif - -#ifndef LFS_READONLY -static int lfs_dir_commit_commit(void *p, lfs_tag_t tag, const void *buffer) { - struct lfs_dir_commit_commit *commit = p; - return lfs_dir_commitattr(commit->lfs, commit->commit, tag, buffer); -} -#endif - -#ifndef LFS_READONLY -static bool lfs_dir_needsrelocation(lfs_t *lfs, lfs_mdir_t *dir) { - // If our revision count == n * block_cycles, we should force a relocation, - // this is how littlefs wear-levels at the metadata-pair level. Note that we - // actually use (block_cycles+1)|1, this is to avoid two corner cases: - // 1. block_cycles = 1, which would prevent relocations from terminating - // 2. block_cycles = 2n, which, due to aliasing, would only ever relocate - // one metadata block in the pair, effectively making this useless - return (lfs->cfg->block_cycles > 0 - && ((dir->rev + 1) % ((lfs->cfg->block_cycles+1)|1) == 0)); -} -#endif - -#ifndef LFS_READONLY -static int lfs_dir_compact(lfs_t *lfs, - lfs_mdir_t *dir, const struct lfs_mattr *attrs, int attrcount, - lfs_mdir_t *source, uint16_t begin, uint16_t end) { - // save some state in case block is bad - bool relocated = false; - bool tired = lfs_dir_needsrelocation(lfs, dir); - - // increment revision count - dir->rev += 1; - - // do not proactively relocate blocks during migrations, this - // can cause a number of failure states such: clobbering the - // v1 superblock if we relocate root, and invalidating directory - // pointers if we relocate the head of a directory. On top of - // this, relocations increase the overall complexity of - // lfs_migration, which is already a delicate operation. -#ifdef LFS_MIGRATE - if (lfs->lfs1) { - tired = false; - } -#endif - - if (tired && lfs_pair_cmp(dir->pair, (const lfs_block_t[2]){0, 1}) != 0) { - // we're writing too much, time to relocate - goto relocate; - } - - // begin loop to commit compaction to blocks until a compact sticks - while (true) { - { - // setup commit state - struct lfs_commit commit = { - .block = dir->pair[1], - .off = 0, - .ptag = 0xffffffff, - .crc = 0xffffffff, - - .begin = 0, - .end = (lfs->cfg->metadata_max ? - lfs->cfg->metadata_max : lfs->cfg->block_size) - 8, - }; - - // erase block to write to - int err = lfs_bd_erase(lfs, dir->pair[1]); - if (err) { - if (err == LFS_ERR_CORRUPT) { - goto relocate; - } - return err; - } - - // write out header - dir->rev = lfs_tole32(dir->rev); - err = lfs_dir_commitprog(lfs, &commit, - &dir->rev, sizeof(dir->rev)); - dir->rev = lfs_fromle32(dir->rev); - if (err) { - if (err == LFS_ERR_CORRUPT) { - goto relocate; - } - return err; - } - - // traverse the directory, this time writing out all unique tags - err = lfs_dir_traverse(lfs, - source, 0, 0xffffffff, attrs, attrcount, - LFS_MKTAG(0x400, 0x3ff, 0), - LFS_MKTAG(LFS_TYPE_NAME, 0, 0), - begin, end, -begin, - lfs_dir_commit_commit, &(struct lfs_dir_commit_commit){ - lfs, &commit}); - if (err) { - if (err == LFS_ERR_CORRUPT) { - goto relocate; - } - return err; - } - - // commit tail, which may be new after last size check - if (!lfs_pair_isnull(dir->tail)) { - lfs_pair_tole32(dir->tail); - err = lfs_dir_commitattr(lfs, &commit, - LFS_MKTAG(LFS_TYPE_TAIL + dir->split, 0x3ff, 8), - dir->tail); - lfs_pair_fromle32(dir->tail); - if (err) { - if (err == LFS_ERR_CORRUPT) { - goto relocate; - } - return err; - } - } - - // bring over gstate? - lfs_gstate_t delta = {0}; - if (!relocated) { - lfs_gstate_xor(&delta, &lfs->gdisk); - lfs_gstate_xor(&delta, &lfs->gstate); - } - lfs_gstate_xor(&delta, &lfs->gdelta); - delta.tag &= ~LFS_MKTAG(0, 0, 0x3ff); - - err = lfs_dir_getgstate(lfs, dir, &delta); - if (err) { - return err; - } - - if (!lfs_gstate_iszero(&delta)) { - lfs_gstate_tole32(&delta); - err = lfs_dir_commitattr(lfs, &commit, - LFS_MKTAG(LFS_TYPE_MOVESTATE, 0x3ff, - sizeof(delta)), &delta); - if (err) { - if (err == LFS_ERR_CORRUPT) { - goto relocate; - } - return err; - } - } - - // complete commit with crc - err = lfs_dir_commitcrc(lfs, &commit); - if (err) { - if (err == LFS_ERR_CORRUPT) { - goto relocate; - } - return err; - } - - // successful compaction, swap dir pair to indicate most recent - LFS_ASSERT(commit.off % lfs->cfg->prog_size == 0); - lfs_pair_swap(dir->pair); - dir->count = end - begin; - dir->off = commit.off; - dir->etag = commit.ptag; - // update gstate - lfs->gdelta = (lfs_gstate_t){0}; - if (!relocated) { - lfs->gdisk = lfs->gstate; - } - } - break; - -relocate: - // commit was corrupted, drop caches and prepare to relocate block - relocated = true; - lfs_cache_drop(lfs, &lfs->pcache); - if (!tired) { - LFS_DEBUG("Bad block at 0x%"PRIx32, dir->pair[1]); - } - - // can't relocate superblock, filesystem is now frozen - if (lfs_pair_cmp(dir->pair, (const lfs_block_t[2]){0, 1}) == 0) { - LFS_WARN("Superblock 0x%"PRIx32" has become unwritable", - dir->pair[1]); - return LFS_ERR_NOSPC; - } - - // relocate half of pair - int err = lfs_alloc(lfs, &dir->pair[1]); - if (err && (err != LFS_ERR_NOSPC || !tired)) { - return err; - } - - tired = false; - continue; - } - - return relocated ? LFS_OK_RELOCATED : 0; -} -#endif - -#ifndef LFS_READONLY -static int lfs_dir_splittingcompact(lfs_t *lfs, lfs_mdir_t *dir, - const struct lfs_mattr *attrs, int attrcount, - lfs_mdir_t *source, uint16_t begin, uint16_t end) { - while (true) { - // find size of first split, we do this by halving the split until - // the metadata is guaranteed to fit - // - // Note that this isn't a true binary search, we never increase the - // split size. This may result in poorly distributed metadata but isn't - // worth the extra code size or performance hit to fix. - lfs_size_t split = begin; - while (end - split > 1) { - lfs_size_t size = 0; - int err = lfs_dir_traverse(lfs, - source, 0, 0xffffffff, attrs, attrcount, - LFS_MKTAG(0x400, 0x3ff, 0), - LFS_MKTAG(LFS_TYPE_NAME, 0, 0), - split, end, -split, - lfs_dir_commit_size, &size); - if (err) { - return err; - } - - // space is complicated, we need room for: - // - // - tail: 4+2*4 = 12 bytes - // - gstate: 4+3*4 = 16 bytes - // - move delete: 4 = 4 bytes - // - crc: 4+4 = 8 bytes - // total = 40 bytes - // - // And we cap at half a block to avoid degenerate cases with - // nearly-full metadata blocks. - // - lfs_size_t metadata_max = (lfs->cfg->metadata_max) - ? lfs->cfg->metadata_max - : lfs->cfg->block_size; - if (end - split < 0xff - && size <= lfs_min( - metadata_max - 40, - lfs_alignup( - metadata_max/2, - lfs->cfg->prog_size))) { - break; - } - - split = split + ((end - split) / 2); - } - - if (split == begin) { - // no split needed - break; - } - - // split into two metadata pairs and continue - int err = lfs_dir_split(lfs, dir, attrs, attrcount, - source, split, end); - if (err && err != LFS_ERR_NOSPC) { - return err; - } - - if (err) { - // we can't allocate a new block, try to compact with degraded - // performance - LFS_WARN("Unable to split {0x%"PRIx32", 0x%"PRIx32"}", - dir->pair[0], dir->pair[1]); - break; - } else { - end = split; - } - } - - if (lfs_dir_needsrelocation(lfs, dir) - && lfs_pair_cmp(dir->pair, (const lfs_block_t[2]){0, 1}) == 0) { - // oh no! we're writing too much to the superblock, - // should we expand? - lfs_ssize_t size = lfs_fs_size_(lfs); - if (size < 0) { - return size; - } - - // littlefs cannot reclaim expanded superblocks, so expand cautiously - // - // if our filesystem is more than ~88% full, don't expand, this is - // somewhat arbitrary - if (lfs->block_count - size > lfs->block_count/8) { - LFS_DEBUG("Expanding superblock at rev %"PRIu32, dir->rev); - int err = lfs_dir_split(lfs, dir, attrs, attrcount, - source, begin, end); - if (err && err != LFS_ERR_NOSPC) { - return err; - } - - if (err) { - // welp, we tried, if we ran out of space there's not much - // we can do, we'll error later if we've become frozen - LFS_WARN("Unable to expand superblock"); - } else { - // duplicate the superblock entry into the new superblock - end = 1; - } - } - } - - return lfs_dir_compact(lfs, dir, attrs, attrcount, source, begin, end); -} -#endif - -#ifndef LFS_READONLY -static int lfs_dir_relocatingcommit(lfs_t *lfs, lfs_mdir_t *dir, - const lfs_block_t pair[2], - const struct lfs_mattr *attrs, int attrcount, - lfs_mdir_t *pdir) { - int state = 0; - - // calculate changes to the directory - bool hasdelete = false; - for (int i = 0; i < attrcount; i++) { - if (lfs_tag_type3(attrs[i].tag) == LFS_TYPE_CREATE) { - dir->count += 1; - } else if (lfs_tag_type3(attrs[i].tag) == LFS_TYPE_DELETE) { - LFS_ASSERT(dir->count > 0); - dir->count -= 1; - hasdelete = true; - } else if (lfs_tag_type1(attrs[i].tag) == LFS_TYPE_TAIL) { - dir->tail[0] = ((lfs_block_t*)attrs[i].buffer)[0]; - dir->tail[1] = ((lfs_block_t*)attrs[i].buffer)[1]; - dir->split = (lfs_tag_chunk(attrs[i].tag) & 1); - lfs_pair_fromle32(dir->tail); - } - } - - // should we actually drop the directory block? - if (hasdelete && dir->count == 0) { - LFS_ASSERT(pdir); - int err = lfs_fs_pred(lfs, dir->pair, pdir); - if (err && err != LFS_ERR_NOENT) { - return err; - } - - if (err != LFS_ERR_NOENT && pdir->split) { - state = LFS_OK_DROPPED; - goto fixmlist; - } - } - - if (dir->erased) { - // try to commit - struct lfs_commit commit = { - .block = dir->pair[0], - .off = dir->off, - .ptag = dir->etag, - .crc = 0xffffffff, - - .begin = dir->off, - .end = (lfs->cfg->metadata_max ? - lfs->cfg->metadata_max : lfs->cfg->block_size) - 8, - }; - - // traverse attrs that need to be written out - lfs_pair_tole32(dir->tail); - int err = lfs_dir_traverse(lfs, - dir, dir->off, dir->etag, attrs, attrcount, - 0, 0, 0, 0, 0, - lfs_dir_commit_commit, &(struct lfs_dir_commit_commit){ - lfs, &commit}); - lfs_pair_fromle32(dir->tail); - if (err) { - if (err == LFS_ERR_NOSPC || err == LFS_ERR_CORRUPT) { - goto compact; - } - return err; - } - - // commit any global diffs if we have any - lfs_gstate_t delta = {0}; - lfs_gstate_xor(&delta, &lfs->gstate); - lfs_gstate_xor(&delta, &lfs->gdisk); - lfs_gstate_xor(&delta, &lfs->gdelta); - delta.tag &= ~LFS_MKTAG(0, 0, 0x3ff); - if (!lfs_gstate_iszero(&delta)) { - err = lfs_dir_getgstate(lfs, dir, &delta); - if (err) { - return err; - } - - lfs_gstate_tole32(&delta); - err = lfs_dir_commitattr(lfs, &commit, - LFS_MKTAG(LFS_TYPE_MOVESTATE, 0x3ff, - sizeof(delta)), &delta); - if (err) { - if (err == LFS_ERR_NOSPC || err == LFS_ERR_CORRUPT) { - goto compact; - } - return err; - } - } - - // finalize commit with the crc - err = lfs_dir_commitcrc(lfs, &commit); - if (err) { - if (err == LFS_ERR_NOSPC || err == LFS_ERR_CORRUPT) { - goto compact; - } - return err; - } - - // successful commit, update dir - LFS_ASSERT(commit.off % lfs->cfg->prog_size == 0); - dir->off = commit.off; - dir->etag = commit.ptag; - // and update gstate - lfs->gdisk = lfs->gstate; - lfs->gdelta = (lfs_gstate_t){0}; - - goto fixmlist; - } - -compact: - // fall back to compaction - lfs_cache_drop(lfs, &lfs->pcache); - - state = lfs_dir_splittingcompact(lfs, dir, attrs, attrcount, - dir, 0, dir->count); - if (state < 0) { - return state; - } - - goto fixmlist; - -fixmlist:; - // this complicated bit of logic is for fixing up any active - // metadata-pairs that we may have affected - // - // note we have to make two passes since the mdir passed to - // lfs_dir_commit could also be in this list, and even then - // we need to copy the pair so they don't get clobbered if we refetch - // our mdir. - lfs_block_t oldpair[2] = {pair[0], pair[1]}; - for (struct lfs_mlist *d = lfs->mlist; d; d = d->next) { - if (lfs_pair_cmp(d->m.pair, oldpair) == 0) { - d->m = *dir; - if (d->m.pair != pair) { - for (int i = 0; i < attrcount; i++) { - if (lfs_tag_type3(attrs[i].tag) == LFS_TYPE_DELETE && - d->id == lfs_tag_id(attrs[i].tag) && - d->type != LFS_TYPE_DIR) { - d->m.pair[0] = LFS_BLOCK_NULL; - d->m.pair[1] = LFS_BLOCK_NULL; - } else if (lfs_tag_type3(attrs[i].tag) == LFS_TYPE_DELETE && - d->id > lfs_tag_id(attrs[i].tag)) { - d->id -= 1; - if (d->type == LFS_TYPE_DIR) { - ((lfs_dir_t*)d)->pos -= 1; - } - } else if (lfs_tag_type3(attrs[i].tag) == LFS_TYPE_CREATE && - d->id >= lfs_tag_id(attrs[i].tag)) { - d->id += 1; - if (d->type == LFS_TYPE_DIR) { - ((lfs_dir_t*)d)->pos += 1; - } - } - } - } - - while (d->id >= d->m.count && d->m.split) { - // we split and id is on tail now - if (lfs_pair_cmp(d->m.tail, lfs->root) != 0) { - d->id -= d->m.count; - } - int err = lfs_dir_fetch(lfs, &d->m, d->m.tail); - if (err) { - return err; - } - } - } - } - - return state; -} -#endif - -#ifndef LFS_READONLY -static int lfs_dir_orphaningcommit(lfs_t *lfs, lfs_mdir_t *dir, - const struct lfs_mattr *attrs, int attrcount) { - // check for any inline files that aren't RAM backed and - // forcefully evict them, needed for filesystem consistency - for (lfs_file_t *f = (lfs_file_t*)lfs->mlist; f; f = f->next) { - if (dir != &f->m && lfs_pair_cmp(f->m.pair, dir->pair) == 0 && - f->type == LFS_TYPE_REG && (f->flags & LFS_F_INLINE) && - f->ctz.size > lfs->cfg->cache_size) { - int err = lfs_file_outline(lfs, f); - if (err) { - return err; - } - - err = lfs_file_flush(lfs, f); - if (err) { - return err; - } - } - } - - lfs_block_t lpair[2] = {dir->pair[0], dir->pair[1]}; - lfs_mdir_t ldir = *dir; - lfs_mdir_t pdir; - int state = lfs_dir_relocatingcommit(lfs, &ldir, dir->pair, - attrs, attrcount, &pdir); - if (state < 0) { - return state; - } - - // update if we're not in mlist, note we may have already been - // updated if we are in mlist - if (lfs_pair_cmp(dir->pair, lpair) == 0) { - *dir = ldir; - } - - // commit was successful, but may require other changes in the - // filesystem, these would normally be tail recursive, but we have - // flattened them here avoid unbounded stack usage - - // need to drop? - if (state == LFS_OK_DROPPED) { - // steal state - int err = lfs_dir_getgstate(lfs, dir, &lfs->gdelta); - if (err) { - return err; - } - - // steal tail, note that this can't create a recursive drop - lpair[0] = pdir.pair[0]; - lpair[1] = pdir.pair[1]; - lfs_pair_tole32(dir->tail); - state = lfs_dir_relocatingcommit(lfs, &pdir, lpair, LFS_MKATTRS( - {LFS_MKTAG(LFS_TYPE_TAIL + dir->split, 0x3ff, 8), - dir->tail}), - NULL); - lfs_pair_fromle32(dir->tail); - if (state < 0) { - return state; - } - - ldir = pdir; - } - - // need to relocate? - bool orphans = false; - while (state == LFS_OK_RELOCATED) { - LFS_DEBUG("Relocating {0x%"PRIx32", 0x%"PRIx32"} " - "-> {0x%"PRIx32", 0x%"PRIx32"}", - lpair[0], lpair[1], ldir.pair[0], ldir.pair[1]); - state = 0; - - // update internal root - if (lfs_pair_cmp(lpair, lfs->root) == 0) { - lfs->root[0] = ldir.pair[0]; - lfs->root[1] = ldir.pair[1]; - } - - // update internally tracked dirs - for (struct lfs_mlist *d = lfs->mlist; d; d = d->next) { - if (lfs_pair_cmp(lpair, d->m.pair) == 0) { - d->m.pair[0] = ldir.pair[0]; - d->m.pair[1] = ldir.pair[1]; - } - - if (d->type == LFS_TYPE_DIR && - lfs_pair_cmp(lpair, ((lfs_dir_t*)d)->head) == 0) { - ((lfs_dir_t*)d)->head[0] = ldir.pair[0]; - ((lfs_dir_t*)d)->head[1] = ldir.pair[1]; - } - } - - // find parent - lfs_stag_t tag = lfs_fs_parent(lfs, lpair, &pdir); - if (tag < 0 && tag != LFS_ERR_NOENT) { - return tag; - } - - bool hasparent = (tag != LFS_ERR_NOENT); - if (tag != LFS_ERR_NOENT) { - // note that if we have a parent, we must have a pred, so this will - // always create an orphan - int err = lfs_fs_preporphans(lfs, +1); - if (err) { - return err; - } - - // fix pending move in this pair? this looks like an optimization but - // is in fact _required_ since relocating may outdate the move. - uint16_t moveid = 0x3ff; - if (lfs_gstate_hasmovehere(&lfs->gstate, pdir.pair)) { - moveid = lfs_tag_id(lfs->gstate.tag); - LFS_DEBUG("Fixing move while relocating " - "{0x%"PRIx32", 0x%"PRIx32"} 0x%"PRIx16"\n", - pdir.pair[0], pdir.pair[1], moveid); - lfs_fs_prepmove(lfs, 0x3ff, NULL); - if (moveid < lfs_tag_id(tag)) { - tag -= LFS_MKTAG(0, 1, 0); - } - } - - lfs_block_t ppair[2] = {pdir.pair[0], pdir.pair[1]}; - lfs_pair_tole32(ldir.pair); - state = lfs_dir_relocatingcommit(lfs, &pdir, ppair, LFS_MKATTRS( - {LFS_MKTAG_IF(moveid != 0x3ff, - LFS_TYPE_DELETE, moveid, 0), NULL}, - {tag, ldir.pair}), - NULL); - lfs_pair_fromle32(ldir.pair); - if (state < 0) { - return state; - } - - if (state == LFS_OK_RELOCATED) { - lpair[0] = ppair[0]; - lpair[1] = ppair[1]; - ldir = pdir; - orphans = true; - continue; - } - } - - // find pred - int err = lfs_fs_pred(lfs, lpair, &pdir); - if (err && err != LFS_ERR_NOENT) { - return err; - } - LFS_ASSERT(!(hasparent && err == LFS_ERR_NOENT)); - - // if we can't find dir, it must be new - if (err != LFS_ERR_NOENT) { - if (lfs_gstate_hasorphans(&lfs->gstate)) { - // next step, clean up orphans - err = lfs_fs_preporphans(lfs, -(int8_t)hasparent); - if (err) { - return err; - } - } - - // fix pending move in this pair? this looks like an optimization - // but is in fact _required_ since relocating may outdate the move. - uint16_t moveid = 0x3ff; - if (lfs_gstate_hasmovehere(&lfs->gstate, pdir.pair)) { - moveid = lfs_tag_id(lfs->gstate.tag); - LFS_DEBUG("Fixing move while relocating " - "{0x%"PRIx32", 0x%"PRIx32"} 0x%"PRIx16"\n", - pdir.pair[0], pdir.pair[1], moveid); - lfs_fs_prepmove(lfs, 0x3ff, NULL); - } - - // replace bad pair, either we clean up desync, or no desync occured - lpair[0] = pdir.pair[0]; - lpair[1] = pdir.pair[1]; - lfs_pair_tole32(ldir.pair); - state = lfs_dir_relocatingcommit(lfs, &pdir, lpair, LFS_MKATTRS( - {LFS_MKTAG_IF(moveid != 0x3ff, - LFS_TYPE_DELETE, moveid, 0), NULL}, - {LFS_MKTAG(LFS_TYPE_TAIL + pdir.split, 0x3ff, 8), - ldir.pair}), - NULL); - lfs_pair_fromle32(ldir.pair); - if (state < 0) { - return state; - } - - ldir = pdir; - } - } - - return orphans ? LFS_OK_ORPHANED : 0; -} -#endif - -#ifndef LFS_READONLY -static int lfs_dir_commit(lfs_t *lfs, lfs_mdir_t *dir, - const struct lfs_mattr *attrs, int attrcount) { - int orphans = lfs_dir_orphaningcommit(lfs, dir, attrs, attrcount); - if (orphans < 0) { - return orphans; - } - - if (orphans) { - // make sure we've removed all orphans, this is a noop if there - // are none, but if we had nested blocks failures we may have - // created some - int err = lfs_fs_deorphan(lfs, false); - if (err) { - return err; - } - } - - return 0; -} -#endif - - -/// Top level directory operations /// -#ifndef LFS_READONLY -static int lfs_mkdir_(lfs_t *lfs, const char *path) { - // deorphan if we haven't yet, needed at most once after poweron - int err = lfs_fs_forceconsistency(lfs); - if (err) { - return err; - } - - struct lfs_mlist cwd; - cwd.next = lfs->mlist; - uint16_t id; - err = lfs_dir_find(lfs, &cwd.m, &path, &id); - if (!(err == LFS_ERR_NOENT && lfs_path_islast(path))) { - return (err < 0) ? err : LFS_ERR_EXIST; - } - - // check that name fits - lfs_size_t nlen = lfs_path_namelen(path); - if (nlen > lfs->name_max) { - return LFS_ERR_NAMETOOLONG; - } - - // build up new directory - lfs_alloc_ckpoint(lfs); - lfs_mdir_t dir; - err = lfs_dir_alloc(lfs, &dir); - if (err) { - return err; - } - - // find end of list - lfs_mdir_t pred = cwd.m; - while (pred.split) { - err = lfs_dir_fetch(lfs, &pred, pred.tail); - if (err) { - return err; - } - } - - // setup dir - lfs_pair_tole32(pred.tail); - err = lfs_dir_commit(lfs, &dir, LFS_MKATTRS( - {LFS_MKTAG(LFS_TYPE_SOFTTAIL, 0x3ff, 8), pred.tail})); - lfs_pair_fromle32(pred.tail); - if (err) { - return err; - } - - // current block not end of list? - if (cwd.m.split) { - // update tails, this creates a desync - err = lfs_fs_preporphans(lfs, +1); - if (err) { - return err; - } - - // it's possible our predecessor has to be relocated, and if - // our parent is our predecessor's predecessor, this could have - // caused our parent to go out of date, fortunately we can hook - // ourselves into littlefs to catch this - cwd.type = 0; - cwd.id = 0; - lfs->mlist = &cwd; - - lfs_pair_tole32(dir.pair); - err = lfs_dir_commit(lfs, &pred, LFS_MKATTRS( - {LFS_MKTAG(LFS_TYPE_SOFTTAIL, 0x3ff, 8), dir.pair})); - lfs_pair_fromle32(dir.pair); - if (err) { - lfs->mlist = cwd.next; - return err; - } - - lfs->mlist = cwd.next; - err = lfs_fs_preporphans(lfs, -1); - if (err) { - return err; - } - } - - // now insert into our parent block - lfs_pair_tole32(dir.pair); - err = lfs_dir_commit(lfs, &cwd.m, LFS_MKATTRS( - {LFS_MKTAG(LFS_TYPE_CREATE, id, 0), NULL}, - {LFS_MKTAG(LFS_TYPE_DIR, id, nlen), path}, - {LFS_MKTAG(LFS_TYPE_DIRSTRUCT, id, 8), dir.pair}, - {LFS_MKTAG_IF(!cwd.m.split, - LFS_TYPE_SOFTTAIL, 0x3ff, 8), dir.pair})); - lfs_pair_fromle32(dir.pair); - if (err) { - return err; - } - - return 0; -} -#endif - -static int lfs_dir_open_(lfs_t *lfs, lfs_dir_t *dir, const char *path) { - lfs_stag_t tag = lfs_dir_find(lfs, &dir->m, &path, NULL); - if (tag < 0) { - return tag; - } - - if (lfs_tag_type3(tag) != LFS_TYPE_DIR) { - return LFS_ERR_NOTDIR; - } - - lfs_block_t pair[2]; - if (lfs_tag_id(tag) == 0x3ff) { - // handle root dir separately - pair[0] = lfs->root[0]; - pair[1] = lfs->root[1]; - } else { - // get dir pair from parent - lfs_stag_t res = lfs_dir_get(lfs, &dir->m, LFS_MKTAG(0x700, 0x3ff, 0), - LFS_MKTAG(LFS_TYPE_STRUCT, lfs_tag_id(tag), 8), pair); - if (res < 0) { - return res; - } - lfs_pair_fromle32(pair); - } - - // fetch first pair - int err = lfs_dir_fetch(lfs, &dir->m, pair); - if (err) { - return err; - } - - // setup entry - dir->head[0] = dir->m.pair[0]; - dir->head[1] = dir->m.pair[1]; - dir->id = 0; - dir->pos = 0; - - // add to list of mdirs - dir->type = LFS_TYPE_DIR; - lfs_mlist_append(lfs, (struct lfs_mlist *)dir); - - return 0; -} - -static int lfs_dir_close_(lfs_t *lfs, lfs_dir_t *dir) { - // remove from list of mdirs - lfs_mlist_remove(lfs, (struct lfs_mlist *)dir); - - return 0; -} - -static int lfs_dir_read_(lfs_t *lfs, lfs_dir_t *dir, struct lfs_info *info) { - memset(info, 0, sizeof(*info)); - - // special offset for '.' and '..' - if (dir->pos == 0) { - info->type = LFS_TYPE_DIR; - strcpy(info->name, "."); - dir->pos += 1; - return true; - } else if (dir->pos == 1) { - info->type = LFS_TYPE_DIR; - strcpy(info->name, ".."); - dir->pos += 1; - return true; - } - - while (true) { - if (dir->id == dir->m.count) { - if (!dir->m.split) { - return false; - } - - int err = lfs_dir_fetch(lfs, &dir->m, dir->m.tail); - if (err) { - return err; - } - - dir->id = 0; - } - - int err = lfs_dir_getinfo(lfs, &dir->m, dir->id, info); - if (err && err != LFS_ERR_NOENT) { - return err; - } - - dir->id += 1; - if (err != LFS_ERR_NOENT) { - break; - } - } - - dir->pos += 1; - return true; -} - -static int lfs_dir_seek_(lfs_t *lfs, lfs_dir_t *dir, lfs_off_t off) { - // simply walk from head dir - int err = lfs_dir_rewind_(lfs, dir); - if (err) { - return err; - } - - // first two for ./.. - dir->pos = lfs_min(2, off); - off -= dir->pos; - - // skip superblock entry - dir->id = (off > 0 && lfs_pair_cmp(dir->head, lfs->root) == 0); - - while (off > 0) { - if (dir->id == dir->m.count) { - if (!dir->m.split) { - return LFS_ERR_INVAL; - } - - err = lfs_dir_fetch(lfs, &dir->m, dir->m.tail); - if (err) { - return err; - } - - dir->id = 0; - } - - int diff = lfs_min(dir->m.count - dir->id, off); - dir->id += diff; - dir->pos += diff; - off -= diff; - } - - return 0; -} - -static lfs_soff_t lfs_dir_tell_(lfs_t *lfs, lfs_dir_t *dir) { - (void)lfs; - return dir->pos; -} - -static int lfs_dir_rewind_(lfs_t *lfs, lfs_dir_t *dir) { - // reload the head dir - int err = lfs_dir_fetch(lfs, &dir->m, dir->head); - if (err) { - return err; - } - - dir->id = 0; - dir->pos = 0; - return 0; -} - - -/// File index list operations /// -static int lfs_ctz_index(lfs_t *lfs, lfs_off_t *off) { - lfs_off_t size = *off; - lfs_off_t b = lfs->cfg->block_size - 2*4; - lfs_off_t i = size / b; - if (i == 0) { - return 0; - } - - i = (size - 4*(lfs_popc(i-1)+2)) / b; - *off = size - b*i - 4*lfs_popc(i); - return i; -} - -static int lfs_ctz_find(lfs_t *lfs, - const lfs_cache_t *pcache, lfs_cache_t *rcache, - lfs_block_t head, lfs_size_t size, - lfs_size_t pos, lfs_block_t *block, lfs_off_t *off) { - if (size == 0) { - *block = LFS_BLOCK_NULL; - *off = 0; - return 0; - } - - lfs_off_t current = lfs_ctz_index(lfs, &(lfs_off_t){size-1}); - lfs_off_t target = lfs_ctz_index(lfs, &pos); - - while (current > target) { - lfs_size_t skip = lfs_min( - lfs_npw2(current-target+1) - 1, - lfs_ctz(current)); - - int err = lfs_bd_read(lfs, - pcache, rcache, sizeof(head), - head, 4*skip, &head, sizeof(head)); - head = lfs_fromle32(head); - if (err) { - return err; - } - - current -= 1 << skip; - } - - *block = head; - *off = pos; - return 0; -} - -#ifndef LFS_READONLY -static int lfs_ctz_extend(lfs_t *lfs, - lfs_cache_t *pcache, lfs_cache_t *rcache, - lfs_block_t head, lfs_size_t size, - lfs_block_t *block, lfs_off_t *off) { - while (true) { - // go ahead and grab a block - lfs_block_t nblock; - int err = lfs_alloc(lfs, &nblock); - if (err) { - return err; - } - - { - err = lfs_bd_erase(lfs, nblock); - if (err) { - if (err == LFS_ERR_CORRUPT) { - goto relocate; - } - return err; - } - - if (size == 0) { - *block = nblock; - *off = 0; - return 0; - } - - lfs_size_t noff = size - 1; - lfs_off_t index = lfs_ctz_index(lfs, &noff); - noff = noff + 1; - - // just copy out the last block if it is incomplete - if (noff != lfs->cfg->block_size) { - for (lfs_off_t i = 0; i < noff; i++) { - uint8_t data; - err = lfs_bd_read(lfs, - NULL, rcache, noff-i, - head, i, &data, 1); - if (err) { - return err; - } - - err = lfs_bd_prog(lfs, - pcache, rcache, true, - nblock, i, &data, 1); - if (err) { - if (err == LFS_ERR_CORRUPT) { - goto relocate; - } - return err; - } - } - - *block = nblock; - *off = noff; - return 0; - } - - // append block - index += 1; - lfs_size_t skips = lfs_ctz(index) + 1; - lfs_block_t nhead = head; - for (lfs_off_t i = 0; i < skips; i++) { - nhead = lfs_tole32(nhead); - err = lfs_bd_prog(lfs, pcache, rcache, true, - nblock, 4*i, &nhead, 4); - nhead = lfs_fromle32(nhead); - if (err) { - if (err == LFS_ERR_CORRUPT) { - goto relocate; - } - return err; - } - - if (i != skips-1) { - err = lfs_bd_read(lfs, - NULL, rcache, sizeof(nhead), - nhead, 4*i, &nhead, sizeof(nhead)); - nhead = lfs_fromle32(nhead); - if (err) { - return err; - } - } - } - - *block = nblock; - *off = 4*skips; - return 0; - } - -relocate: - LFS_DEBUG("Bad block at 0x%"PRIx32, nblock); - - // just clear cache and try a new block - lfs_cache_drop(lfs, pcache); - } -} -#endif - -static int lfs_ctz_traverse(lfs_t *lfs, - const lfs_cache_t *pcache, lfs_cache_t *rcache, - lfs_block_t head, lfs_size_t size, - int (*cb)(void*, lfs_block_t), void *data) { - if (size == 0) { - return 0; - } - - lfs_off_t index = lfs_ctz_index(lfs, &(lfs_off_t){size-1}); - - while (true) { - int err = cb(data, head); - if (err) { - return err; - } - - if (index == 0) { - return 0; - } - - lfs_block_t heads[2]; - int count = 2 - (index & 1); - err = lfs_bd_read(lfs, - pcache, rcache, count*sizeof(head), - head, 0, &heads, count*sizeof(head)); - heads[0] = lfs_fromle32(heads[0]); - heads[1] = lfs_fromle32(heads[1]); - if (err) { - return err; - } - - for (int i = 0; i < count-1; i++) { - err = cb(data, heads[i]); - if (err) { - return err; - } - } - - head = heads[count-1]; - index -= count; - } -} - - -/// Top level file operations /// -static int lfs_file_opencfg_(lfs_t *lfs, lfs_file_t *file, - const char *path, int flags, - const struct lfs_file_config *cfg) { -#ifndef LFS_READONLY - // deorphan if we haven't yet, needed at most once after poweron - if ((flags & LFS_O_WRONLY) == LFS_O_WRONLY) { - int err = lfs_fs_forceconsistency(lfs); - if (err) { - return err; - } - } -#else - LFS_ASSERT((flags & LFS_O_RDONLY) == LFS_O_RDONLY); -#endif - - // setup simple file details - int err; - file->cfg = cfg; - file->flags = flags; - file->pos = 0; - file->off = 0; - file->cache.buffer = NULL; - - // allocate entry for file if it doesn't exist - lfs_stag_t tag = lfs_dir_find(lfs, &file->m, &path, &file->id); - if (tag < 0 && !(tag == LFS_ERR_NOENT && lfs_path_islast(path))) { - err = tag; - goto cleanup; - } - - // get id, add to list of mdirs to catch update changes - file->type = LFS_TYPE_REG; - lfs_mlist_append(lfs, (struct lfs_mlist *)file); - -#ifdef LFS_READONLY - if (tag == LFS_ERR_NOENT) { - err = LFS_ERR_NOENT; - goto cleanup; -#else - if (tag == LFS_ERR_NOENT) { - if (!(flags & LFS_O_CREAT)) { - err = LFS_ERR_NOENT; - goto cleanup; - } - - // don't allow trailing slashes - if (lfs_path_isdir(path)) { - err = LFS_ERR_NOTDIR; - goto cleanup; - } - - // check that name fits - lfs_size_t nlen = lfs_path_namelen(path); - if (nlen > lfs->name_max) { - err = LFS_ERR_NAMETOOLONG; - goto cleanup; - } - - // get next slot and create entry to remember name - err = lfs_dir_commit(lfs, &file->m, LFS_MKATTRS( - {LFS_MKTAG(LFS_TYPE_CREATE, file->id, 0), NULL}, - {LFS_MKTAG(LFS_TYPE_REG, file->id, nlen), path}, - {LFS_MKTAG(LFS_TYPE_INLINESTRUCT, file->id, 0), NULL})); - - // it may happen that the file name doesn't fit in the metadata blocks, e.g., a 256 byte file name will - // not fit in a 128 byte block. - err = (err == LFS_ERR_NOSPC) ? LFS_ERR_NAMETOOLONG : err; - if (err) { - goto cleanup; - } - - tag = LFS_MKTAG(LFS_TYPE_INLINESTRUCT, 0, 0); - } else if (flags & LFS_O_EXCL) { - err = LFS_ERR_EXIST; - goto cleanup; -#endif - } else if (lfs_tag_type3(tag) != LFS_TYPE_REG) { - err = LFS_ERR_ISDIR; - goto cleanup; -#ifndef LFS_READONLY - } else if (flags & LFS_O_TRUNC) { - // truncate if requested - tag = LFS_MKTAG(LFS_TYPE_INLINESTRUCT, file->id, 0); - file->flags |= LFS_F_DIRTY; -#endif - } else { - // try to load what's on disk, if it's inlined we'll fix it later - tag = lfs_dir_get(lfs, &file->m, LFS_MKTAG(0x700, 0x3ff, 0), - LFS_MKTAG(LFS_TYPE_STRUCT, file->id, 8), &file->ctz); - if (tag < 0) { - err = tag; - goto cleanup; - } - lfs_ctz_fromle32(&file->ctz); - } - - // fetch attrs - for (unsigned i = 0; i < file->cfg->attr_count; i++) { - // if opened for read / read-write operations - if ((file->flags & LFS_O_RDONLY) == LFS_O_RDONLY) { - lfs_stag_t res = lfs_dir_get(lfs, &file->m, - LFS_MKTAG(0x7ff, 0x3ff, 0), - LFS_MKTAG(LFS_TYPE_USERATTR + file->cfg->attrs[i].type, - file->id, file->cfg->attrs[i].size), - file->cfg->attrs[i].buffer); - if (res < 0 && res != LFS_ERR_NOENT) { - err = res; - goto cleanup; - } - } - -#ifndef LFS_READONLY - // if opened for write / read-write operations - if ((file->flags & LFS_O_WRONLY) == LFS_O_WRONLY) { - if (file->cfg->attrs[i].size > lfs->attr_max) { - err = LFS_ERR_NOSPC; - goto cleanup; - } - - file->flags |= LFS_F_DIRTY; - } -#endif - } - - // allocate buffer if needed - if (file->cfg->buffer) { - file->cache.buffer = file->cfg->buffer; - } else { - file->cache.buffer = lfs_malloc(lfs->cfg->cache_size); - if (!file->cache.buffer) { - err = LFS_ERR_NOMEM; - goto cleanup; - } - } - - // zero to avoid information leak - lfs_cache_zero(lfs, &file->cache); - - if (lfs_tag_type3(tag) == LFS_TYPE_INLINESTRUCT) { - // load inline files - file->ctz.head = LFS_BLOCK_INLINE; - file->ctz.size = lfs_tag_size(tag); - file->flags |= LFS_F_INLINE; - file->cache.block = file->ctz.head; - file->cache.off = 0; - file->cache.size = lfs->cfg->cache_size; - - // don't always read (may be new/trunc file) - if (file->ctz.size > 0) { - lfs_stag_t res = lfs_dir_get(lfs, &file->m, - LFS_MKTAG(0x700, 0x3ff, 0), - LFS_MKTAG(LFS_TYPE_STRUCT, file->id, - lfs_min(file->cache.size, 0x3fe)), - file->cache.buffer); - if (res < 0) { - err = res; - goto cleanup; - } - } - } - - return 0; - -cleanup: - // clean up lingering resources -#ifndef LFS_READONLY - file->flags |= LFS_F_ERRED; -#endif - lfs_file_close_(lfs, file); - return err; -} - -#ifndef LFS_NO_MALLOC -static int lfs_file_open_(lfs_t *lfs, lfs_file_t *file, - const char *path, int flags) { - static const struct lfs_file_config defaults = {0}; - int err = lfs_file_opencfg_(lfs, file, path, flags, &defaults); - return err; -} -#endif - -static int lfs_file_close_(lfs_t *lfs, lfs_file_t *file) { -#ifndef LFS_READONLY - int err = lfs_file_sync_(lfs, file); -#else - int err = 0; -#endif - - // remove from list of mdirs - lfs_mlist_remove(lfs, (struct lfs_mlist*)file); - - // clean up memory - if (!file->cfg->buffer) { - lfs_free(file->cache.buffer); - } - - return err; -} - - -#ifndef LFS_READONLY -static int lfs_file_relocate(lfs_t *lfs, lfs_file_t *file) { - while (true) { - // just relocate what exists into new block - lfs_block_t nblock; - int err = lfs_alloc(lfs, &nblock); - if (err) { - return err; - } - - err = lfs_bd_erase(lfs, nblock); - if (err) { - if (err == LFS_ERR_CORRUPT) { - goto relocate; - } - return err; - } - - // either read from dirty cache or disk - for (lfs_off_t i = 0; i < file->off; i++) { - uint8_t data; - if (file->flags & LFS_F_INLINE) { - err = lfs_dir_getread(lfs, &file->m, - // note we evict inline files before they can be dirty - NULL, &file->cache, file->off-i, - LFS_MKTAG(0xfff, 0x1ff, 0), - LFS_MKTAG(LFS_TYPE_INLINESTRUCT, file->id, 0), - i, &data, 1); - if (err) { - return err; - } - } else { - err = lfs_bd_read(lfs, - &file->cache, &lfs->rcache, file->off-i, - file->block, i, &data, 1); - if (err) { - return err; - } - } - - err = lfs_bd_prog(lfs, - &lfs->pcache, &lfs->rcache, true, - nblock, i, &data, 1); - if (err) { - if (err == LFS_ERR_CORRUPT) { - goto relocate; - } - return err; - } - } - - // copy over new state of file - memcpy(file->cache.buffer, lfs->pcache.buffer, lfs->cfg->cache_size); - file->cache.block = lfs->pcache.block; - file->cache.off = lfs->pcache.off; - file->cache.size = lfs->pcache.size; - lfs_cache_zero(lfs, &lfs->pcache); - - file->block = nblock; - file->flags |= LFS_F_WRITING; - return 0; - -relocate: - LFS_DEBUG("Bad block at 0x%"PRIx32, nblock); - - // just clear cache and try a new block - lfs_cache_drop(lfs, &lfs->pcache); - } -} -#endif - -#ifndef LFS_READONLY -static int lfs_file_outline(lfs_t *lfs, lfs_file_t *file) { - file->off = file->pos; - lfs_alloc_ckpoint(lfs); - int err = lfs_file_relocate(lfs, file); - if (err) { - return err; - } - - file->flags &= ~LFS_F_INLINE; - return 0; -} -#endif - -static int lfs_file_flush(lfs_t *lfs, lfs_file_t *file) { - if (file->flags & LFS_F_READING) { - if (!(file->flags & LFS_F_INLINE)) { - lfs_cache_drop(lfs, &file->cache); - } - file->flags &= ~LFS_F_READING; - } - -#ifndef LFS_READONLY - if (file->flags & LFS_F_WRITING) { - lfs_off_t pos = file->pos; - - if (!(file->flags & LFS_F_INLINE)) { - // copy over anything after current branch - lfs_file_t orig = { - .ctz.head = file->ctz.head, - .ctz.size = file->ctz.size, - .flags = LFS_O_RDONLY, - .pos = file->pos, - .cache = lfs->rcache, - }; - lfs_cache_drop(lfs, &lfs->rcache); - - while (file->pos < file->ctz.size) { - // copy over a byte at a time, leave it up to caching - // to make this efficient - uint8_t data; - lfs_ssize_t res = lfs_file_flushedread(lfs, &orig, &data, 1); - if (res < 0) { - return res; - } - - res = lfs_file_flushedwrite(lfs, file, &data, 1); - if (res < 0) { - return res; - } - - // keep our reference to the rcache in sync - if (lfs->rcache.block != LFS_BLOCK_NULL) { - lfs_cache_drop(lfs, &orig.cache); - lfs_cache_drop(lfs, &lfs->rcache); - } - } - - // write out what we have - while (true) { - int err = lfs_bd_flush(lfs, &file->cache, &lfs->rcache, true); - if (err) { - if (err == LFS_ERR_CORRUPT) { - goto relocate; - } - return err; - } - - break; - -relocate: - LFS_DEBUG("Bad block at 0x%"PRIx32, file->block); - err = lfs_file_relocate(lfs, file); - if (err) { - return err; - } - } - } else { - file->pos = lfs_max(file->pos, file->ctz.size); - } - - // actual file updates - file->ctz.head = file->block; - file->ctz.size = file->pos; - file->flags &= ~LFS_F_WRITING; - file->flags |= LFS_F_DIRTY; - - file->pos = pos; - } -#endif - - return 0; -} - -#ifndef LFS_READONLY -static int lfs_file_sync_(lfs_t *lfs, lfs_file_t *file) { - if (file->flags & LFS_F_ERRED) { - // it's not safe to do anything if our file errored - return 0; - } - - int err = lfs_file_flush(lfs, file); - if (err) { - file->flags |= LFS_F_ERRED; - return err; - } - - - if ((file->flags & LFS_F_DIRTY) && - !lfs_pair_isnull(file->m.pair)) { - // before we commit metadata, we need sync the disk to make sure - // data writes don't complete after metadata writes - if (!(file->flags & LFS_F_INLINE)) { - err = lfs_bd_sync(lfs, &lfs->pcache, &lfs->rcache, false); - if (err) { - return err; - } - } - - // update dir entry - uint16_t type; - const void *buffer; - lfs_size_t size; - struct lfs_ctz ctz; - if (file->flags & LFS_F_INLINE) { - // inline the whole file - type = LFS_TYPE_INLINESTRUCT; - buffer = file->cache.buffer; - size = file->ctz.size; - } else { - // update the ctz reference - type = LFS_TYPE_CTZSTRUCT; - // copy ctz so alloc will work during a relocate - ctz = file->ctz; - lfs_ctz_tole32(&ctz); - buffer = &ctz; - size = sizeof(ctz); - } - - // commit file data and attributes - err = lfs_dir_commit(lfs, &file->m, LFS_MKATTRS( - {LFS_MKTAG(type, file->id, size), buffer}, - {LFS_MKTAG(LFS_FROM_USERATTRS, file->id, - file->cfg->attr_count), file->cfg->attrs})); - if (err) { - file->flags |= LFS_F_ERRED; - return err; - } - - file->flags &= ~LFS_F_DIRTY; - } - - return 0; -} -#endif - -static lfs_ssize_t lfs_file_flushedread(lfs_t *lfs, lfs_file_t *file, - void *buffer, lfs_size_t size) { - uint8_t *data = buffer; - lfs_size_t nsize = size; - - if (file->pos >= file->ctz.size) { - // eof if past end - return 0; - } - - size = lfs_min(size, file->ctz.size - file->pos); - nsize = size; - - while (nsize > 0) { - // check if we need a new block - if (!(file->flags & LFS_F_READING) || - file->off == lfs->cfg->block_size) { - if (!(file->flags & LFS_F_INLINE)) { - int err = lfs_ctz_find(lfs, NULL, &file->cache, - file->ctz.head, file->ctz.size, - file->pos, &file->block, &file->off); - if (err) { - return err; - } - } else { - file->block = LFS_BLOCK_INLINE; - file->off = file->pos; - } - - file->flags |= LFS_F_READING; - } - - // read as much as we can in current block - lfs_size_t diff = lfs_min(nsize, lfs->cfg->block_size - file->off); - if (file->flags & LFS_F_INLINE) { - int err = lfs_dir_getread(lfs, &file->m, - NULL, &file->cache, lfs->cfg->block_size, - LFS_MKTAG(0xfff, 0x1ff, 0), - LFS_MKTAG(LFS_TYPE_INLINESTRUCT, file->id, 0), - file->off, data, diff); - if (err) { - return err; - } - } else { - int err = lfs_bd_read(lfs, - NULL, &file->cache, lfs->cfg->block_size, - file->block, file->off, data, diff); - if (err) { - return err; - } - } - - file->pos += diff; - file->off += diff; - data += diff; - nsize -= diff; - } - - return size; -} - -static lfs_ssize_t lfs_file_read_(lfs_t *lfs, lfs_file_t *file, - void *buffer, lfs_size_t size) { - LFS_ASSERT((file->flags & LFS_O_RDONLY) == LFS_O_RDONLY); - -#ifndef LFS_READONLY - if (file->flags & LFS_F_WRITING) { - // flush out any writes - int err = lfs_file_flush(lfs, file); - if (err) { - return err; - } - } -#endif - - return lfs_file_flushedread(lfs, file, buffer, size); -} - - -#ifndef LFS_READONLY -static lfs_ssize_t lfs_file_flushedwrite(lfs_t *lfs, lfs_file_t *file, - const void *buffer, lfs_size_t size) { - const uint8_t *data = buffer; - lfs_size_t nsize = size; - - if ((file->flags & LFS_F_INLINE) && - lfs_max(file->pos+nsize, file->ctz.size) > lfs->inline_max) { - // inline file doesn't fit anymore - int err = lfs_file_outline(lfs, file); - if (err) { - file->flags |= LFS_F_ERRED; - return err; - } - } - - while (nsize > 0) { - // check if we need a new block - if (!(file->flags & LFS_F_WRITING) || - file->off == lfs->cfg->block_size) { - if (!(file->flags & LFS_F_INLINE)) { - if (!(file->flags & LFS_F_WRITING) && file->pos > 0) { - // find out which block we're extending from - int err = lfs_ctz_find(lfs, NULL, &file->cache, - file->ctz.head, file->ctz.size, - file->pos-1, &file->block, &(lfs_off_t){0}); - if (err) { - file->flags |= LFS_F_ERRED; - return err; - } - - // mark cache as dirty since we may have read data into it - lfs_cache_zero(lfs, &file->cache); - } - - // extend file with new blocks - lfs_alloc_ckpoint(lfs); - int err = lfs_ctz_extend(lfs, &file->cache, &lfs->rcache, - file->block, file->pos, - &file->block, &file->off); - if (err) { - file->flags |= LFS_F_ERRED; - return err; - } - } else { - file->block = LFS_BLOCK_INLINE; - file->off = file->pos; - } - - file->flags |= LFS_F_WRITING; - } - - // program as much as we can in current block - lfs_size_t diff = lfs_min(nsize, lfs->cfg->block_size - file->off); - while (true) { - int err = lfs_bd_prog(lfs, &file->cache, &lfs->rcache, true, - file->block, file->off, data, diff); - if (err) { - if (err == LFS_ERR_CORRUPT) { - goto relocate; - } - file->flags |= LFS_F_ERRED; - return err; - } - - break; -relocate: - err = lfs_file_relocate(lfs, file); - if (err) { - file->flags |= LFS_F_ERRED; - return err; - } - } - - file->pos += diff; - file->off += diff; - data += diff; - nsize -= diff; - - lfs_alloc_ckpoint(lfs); - } - - return size; -} - -static lfs_ssize_t lfs_file_write_(lfs_t *lfs, lfs_file_t *file, - const void *buffer, lfs_size_t size) { - LFS_ASSERT((file->flags & LFS_O_WRONLY) == LFS_O_WRONLY); - - if (file->flags & LFS_F_READING) { - // drop any reads - int err = lfs_file_flush(lfs, file); - if (err) { - return err; - } - } - - if ((file->flags & LFS_O_APPEND) && file->pos < file->ctz.size) { - file->pos = file->ctz.size; - } - - if (file->pos + size > lfs->file_max) { - // Larger than file limit? - return LFS_ERR_FBIG; - } - - if (!(file->flags & LFS_F_WRITING) && file->pos > file->ctz.size) { - // fill with zeros - lfs_off_t pos = file->pos; - file->pos = file->ctz.size; - - while (file->pos < pos) { - lfs_ssize_t res = lfs_file_flushedwrite(lfs, file, &(uint8_t){0}, 1); - if (res < 0) { - return res; - } - } - } - - lfs_ssize_t nsize = lfs_file_flushedwrite(lfs, file, buffer, size); - if (nsize < 0) { - return nsize; - } - - file->flags &= ~LFS_F_ERRED; - return nsize; -} -#endif - -static lfs_soff_t lfs_file_seek_(lfs_t *lfs, lfs_file_t *file, - lfs_soff_t off, int whence) { - // find new pos - // - // fortunately for us, littlefs is limited to 31-bit file sizes, so we - // don't have to worry too much about integer overflow - lfs_off_t npos = file->pos; - if (whence == LFS_SEEK_SET) { - npos = off; - } else if (whence == LFS_SEEK_CUR) { - npos = file->pos + (lfs_off_t)off; - } else if (whence == LFS_SEEK_END) { - npos = (lfs_off_t)lfs_file_size_(lfs, file) + (lfs_off_t)off; - } - - if (npos > lfs->file_max) { - // file position out of range - return LFS_ERR_INVAL; - } - - if (file->pos == npos) { - // noop - position has not changed - return npos; - } - - // if we're only reading and our new offset is still in the file's cache - // we can avoid flushing and needing to reread the data - if ((file->flags & LFS_F_READING) - && file->off != lfs->cfg->block_size) { - int oindex = lfs_ctz_index(lfs, &(lfs_off_t){file->pos}); - lfs_off_t noff = npos; - int nindex = lfs_ctz_index(lfs, &noff); - if (oindex == nindex - && noff >= file->cache.off - && noff < file->cache.off + file->cache.size) { - file->pos = npos; - file->off = noff; - return npos; - } - } - - // write out everything beforehand, may be noop if rdonly - int err = lfs_file_flush(lfs, file); - if (err) { - return err; - } - - // update pos - file->pos = npos; - return npos; -} - -#ifndef LFS_READONLY -static int lfs_file_truncate_(lfs_t *lfs, lfs_file_t *file, lfs_off_t size) { - LFS_ASSERT((file->flags & LFS_O_WRONLY) == LFS_O_WRONLY); - - if (size > LFS_FILE_MAX) { - return LFS_ERR_INVAL; - } - - lfs_off_t pos = file->pos; - lfs_off_t oldsize = lfs_file_size_(lfs, file); - if (size < oldsize) { - // revert to inline file? - if (size <= lfs->inline_max) { - // flush+seek to head - lfs_soff_t res = lfs_file_seek_(lfs, file, 0, LFS_SEEK_SET); - if (res < 0) { - return (int)res; - } - - // read our data into rcache temporarily - lfs_cache_drop(lfs, &lfs->rcache); - res = lfs_file_flushedread(lfs, file, - lfs->rcache.buffer, size); - if (res < 0) { - return (int)res; - } - - file->ctz.head = LFS_BLOCK_INLINE; - file->ctz.size = size; - file->flags |= LFS_F_DIRTY | LFS_F_READING | LFS_F_INLINE; - file->cache.block = file->ctz.head; - file->cache.off = 0; - file->cache.size = lfs->cfg->cache_size; - memcpy(file->cache.buffer, lfs->rcache.buffer, size); - - } else { - // need to flush since directly changing metadata - int err = lfs_file_flush(lfs, file); - if (err) { - return err; - } - - // lookup new head in ctz skip list - err = lfs_ctz_find(lfs, NULL, &file->cache, - file->ctz.head, file->ctz.size, - size-1, &file->block, &(lfs_off_t){0}); - if (err) { - return err; - } - - // need to set pos/block/off consistently so seeking back to - // the old position does not get confused - file->pos = size; - file->ctz.head = file->block; - file->ctz.size = size; - file->flags |= LFS_F_DIRTY | LFS_F_READING; - } - } else if (size > oldsize) { - // flush+seek if not already at end - lfs_soff_t res = lfs_file_seek_(lfs, file, 0, LFS_SEEK_END); - if (res < 0) { - return (int)res; - } - - // fill with zeros - while (file->pos < size) { - res = lfs_file_write_(lfs, file, &(uint8_t){0}, 1); - if (res < 0) { - return (int)res; - } - } - } - - // restore pos - lfs_soff_t res = lfs_file_seek_(lfs, file, pos, LFS_SEEK_SET); - if (res < 0) { - return (int)res; - } - - return 0; -} -#endif - -static lfs_soff_t lfs_file_tell_(lfs_t *lfs, lfs_file_t *file) { - (void)lfs; - return file->pos; -} - -static int lfs_file_rewind_(lfs_t *lfs, lfs_file_t *file) { - lfs_soff_t res = lfs_file_seek_(lfs, file, 0, LFS_SEEK_SET); - if (res < 0) { - return (int)res; - } - - return 0; -} - -static lfs_soff_t lfs_file_size_(lfs_t *lfs, lfs_file_t *file) { - (void)lfs; - -#ifndef LFS_READONLY - if (file->flags & LFS_F_WRITING) { - return lfs_max(file->pos, file->ctz.size); - } -#endif - - return file->ctz.size; -} - - -/// General fs operations /// -static int lfs_stat_(lfs_t *lfs, const char *path, struct lfs_info *info) { - lfs_mdir_t cwd; - lfs_stag_t tag = lfs_dir_find(lfs, &cwd, &path, NULL); - if (tag < 0) { - return (int)tag; - } - - // only allow trailing slashes on dirs - if (strchr(path, '/') != NULL - && lfs_tag_type3(tag) != LFS_TYPE_DIR) { - return LFS_ERR_NOTDIR; - } - - return lfs_dir_getinfo(lfs, &cwd, lfs_tag_id(tag), info); -} - -#ifndef LFS_READONLY -static int lfs_remove_(lfs_t *lfs, const char *path) { - // deorphan if we haven't yet, needed at most once after poweron - int err = lfs_fs_forceconsistency(lfs); - if (err) { - return err; - } - - lfs_mdir_t cwd; - lfs_stag_t tag = lfs_dir_find(lfs, &cwd, &path, NULL); - if (tag < 0 || lfs_tag_id(tag) == 0x3ff) { - return (tag < 0) ? (int)tag : LFS_ERR_INVAL; - } - - struct lfs_mlist dir; - dir.next = lfs->mlist; - if (lfs_tag_type3(tag) == LFS_TYPE_DIR) { - // must be empty before removal - lfs_block_t pair[2]; - lfs_stag_t res = lfs_dir_get(lfs, &cwd, LFS_MKTAG(0x700, 0x3ff, 0), - LFS_MKTAG(LFS_TYPE_STRUCT, lfs_tag_id(tag), 8), pair); - if (res < 0) { - return (int)res; - } - lfs_pair_fromle32(pair); - - err = lfs_dir_fetch(lfs, &dir.m, pair); - if (err) { - return err; - } - - if (dir.m.count > 0 || dir.m.split) { - return LFS_ERR_NOTEMPTY; - } - - // mark fs as orphaned - err = lfs_fs_preporphans(lfs, +1); - if (err) { - return err; - } - - // I know it's crazy but yes, dir can be changed by our parent's - // commit (if predecessor is child) - dir.type = 0; - dir.id = 0; - lfs->mlist = &dir; - } - - // delete the entry - err = lfs_dir_commit(lfs, &cwd, LFS_MKATTRS( - {LFS_MKTAG(LFS_TYPE_DELETE, lfs_tag_id(tag), 0), NULL})); - if (err) { - lfs->mlist = dir.next; - return err; - } - - lfs->mlist = dir.next; - if (lfs_tag_type3(tag) == LFS_TYPE_DIR) { - // fix orphan - err = lfs_fs_preporphans(lfs, -1); - if (err) { - return err; - } - - err = lfs_fs_pred(lfs, dir.m.pair, &cwd); - if (err) { - return err; - } - - err = lfs_dir_drop(lfs, &cwd, &dir.m); - if (err) { - return err; - } - } - - return 0; -} -#endif - -#ifndef LFS_READONLY -static int lfs_rename_(lfs_t *lfs, const char *oldpath, const char *newpath) { - // deorphan if we haven't yet, needed at most once after poweron - int err = lfs_fs_forceconsistency(lfs); - if (err) { - return err; - } - - // find old entry - lfs_mdir_t oldcwd; - lfs_stag_t oldtag = lfs_dir_find(lfs, &oldcwd, &oldpath, NULL); - if (oldtag < 0 || lfs_tag_id(oldtag) == 0x3ff) { - return (oldtag < 0) ? (int)oldtag : LFS_ERR_INVAL; - } - - // find new entry - lfs_mdir_t newcwd; - uint16_t newid; - lfs_stag_t prevtag = lfs_dir_find(lfs, &newcwd, &newpath, &newid); - if ((prevtag < 0 || lfs_tag_id(prevtag) == 0x3ff) && - !(prevtag == LFS_ERR_NOENT && lfs_path_islast(newpath))) { - return (prevtag < 0) ? (int)prevtag : LFS_ERR_INVAL; - } - - // if we're in the same pair there's a few special cases... - bool samepair = (lfs_pair_cmp(oldcwd.pair, newcwd.pair) == 0); - uint16_t newoldid = lfs_tag_id(oldtag); - - struct lfs_mlist prevdir; - prevdir.next = lfs->mlist; - if (prevtag == LFS_ERR_NOENT) { - // if we're a file, don't allow trailing slashes - if (lfs_path_isdir(newpath) - && lfs_tag_type3(oldtag) != LFS_TYPE_DIR) { - return LFS_ERR_NOTDIR; - } - - // check that name fits - lfs_size_t nlen = lfs_path_namelen(newpath); - if (nlen > lfs->name_max) { - return LFS_ERR_NAMETOOLONG; - } - - // there is a small chance we are being renamed in the same - // directory/ to an id less than our old id, the global update - // to handle this is a bit messy - if (samepair && newid <= newoldid) { - newoldid += 1; - } - } else if (lfs_tag_type3(prevtag) != lfs_tag_type3(oldtag)) { - return (lfs_tag_type3(prevtag) == LFS_TYPE_DIR) - ? LFS_ERR_ISDIR - : LFS_ERR_NOTDIR; - } else if (samepair && newid == newoldid) { - // we're renaming to ourselves?? - return 0; - } else if (lfs_tag_type3(prevtag) == LFS_TYPE_DIR) { - // must be empty before removal - lfs_block_t prevpair[2]; - lfs_stag_t res = lfs_dir_get(lfs, &newcwd, LFS_MKTAG(0x700, 0x3ff, 0), - LFS_MKTAG(LFS_TYPE_STRUCT, newid, 8), prevpair); - if (res < 0) { - return (int)res; - } - lfs_pair_fromle32(prevpair); - - // must be empty before removal - err = lfs_dir_fetch(lfs, &prevdir.m, prevpair); - if (err) { - return err; - } - - if (prevdir.m.count > 0 || prevdir.m.split) { - return LFS_ERR_NOTEMPTY; - } - - // mark fs as orphaned - err = lfs_fs_preporphans(lfs, +1); - if (err) { - return err; - } - - // I know it's crazy but yes, dir can be changed by our parent's - // commit (if predecessor is child) - prevdir.type = 0; - prevdir.id = 0; - lfs->mlist = &prevdir; - } - - if (!samepair) { - lfs_fs_prepmove(lfs, newoldid, oldcwd.pair); - } - - // move over all attributes - err = lfs_dir_commit(lfs, &newcwd, LFS_MKATTRS( - {LFS_MKTAG_IF(prevtag != LFS_ERR_NOENT, - LFS_TYPE_DELETE, newid, 0), NULL}, - {LFS_MKTAG(LFS_TYPE_CREATE, newid, 0), NULL}, - {LFS_MKTAG(lfs_tag_type3(oldtag), - newid, lfs_path_namelen(newpath)), newpath}, - {LFS_MKTAG(LFS_FROM_MOVE, newid, lfs_tag_id(oldtag)), &oldcwd}, - {LFS_MKTAG_IF(samepair, - LFS_TYPE_DELETE, newoldid, 0), NULL})); - if (err) { - lfs->mlist = prevdir.next; - return err; - } - - // let commit clean up after move (if we're different! otherwise move - // logic already fixed it for us) - if (!samepair && lfs_gstate_hasmove(&lfs->gstate)) { - // prep gstate and delete move id - lfs_fs_prepmove(lfs, 0x3ff, NULL); - err = lfs_dir_commit(lfs, &oldcwd, LFS_MKATTRS( - {LFS_MKTAG(LFS_TYPE_DELETE, lfs_tag_id(oldtag), 0), NULL})); - if (err) { - lfs->mlist = prevdir.next; - return err; - } - } - - lfs->mlist = prevdir.next; - if (prevtag != LFS_ERR_NOENT - && lfs_tag_type3(prevtag) == LFS_TYPE_DIR) { - // fix orphan - err = lfs_fs_preporphans(lfs, -1); - if (err) { - return err; - } - - err = lfs_fs_pred(lfs, prevdir.m.pair, &newcwd); - if (err) { - return err; - } - - err = lfs_dir_drop(lfs, &newcwd, &prevdir.m); - if (err) { - return err; - } - } - - return 0; -} -#endif - -static lfs_ssize_t lfs_getattr_(lfs_t *lfs, const char *path, - uint8_t type, void *buffer, lfs_size_t size) { - lfs_mdir_t cwd; - lfs_stag_t tag = lfs_dir_find(lfs, &cwd, &path, NULL); - if (tag < 0) { - return tag; - } - - uint16_t id = lfs_tag_id(tag); - if (id == 0x3ff) { - // special case for root - id = 0; - int err = lfs_dir_fetch(lfs, &cwd, lfs->root); - if (err) { - return err; - } - } - - tag = lfs_dir_get(lfs, &cwd, LFS_MKTAG(0x7ff, 0x3ff, 0), - LFS_MKTAG(LFS_TYPE_USERATTR + type, - id, lfs_min(size, lfs->attr_max)), - buffer); - if (tag < 0) { - if (tag == LFS_ERR_NOENT) { - return LFS_ERR_NOATTR; - } - - return tag; - } - - return lfs_tag_size(tag); -} - -#ifndef LFS_READONLY -static int lfs_commitattr(lfs_t *lfs, const char *path, - uint8_t type, const void *buffer, lfs_size_t size) { - lfs_mdir_t cwd; - lfs_stag_t tag = lfs_dir_find(lfs, &cwd, &path, NULL); - if (tag < 0) { - return tag; - } - - uint16_t id = lfs_tag_id(tag); - if (id == 0x3ff) { - // special case for root - id = 0; - int err = lfs_dir_fetch(lfs, &cwd, lfs->root); - if (err) { - return err; - } - } - - return lfs_dir_commit(lfs, &cwd, LFS_MKATTRS( - {LFS_MKTAG(LFS_TYPE_USERATTR + type, id, size), buffer})); -} -#endif - -#ifndef LFS_READONLY -static int lfs_setattr_(lfs_t *lfs, const char *path, - uint8_t type, const void *buffer, lfs_size_t size) { - if (size > lfs->attr_max) { - return LFS_ERR_NOSPC; - } - - return lfs_commitattr(lfs, path, type, buffer, size); -} -#endif - -#ifndef LFS_READONLY -static int lfs_removeattr_(lfs_t *lfs, const char *path, uint8_t type) { - return lfs_commitattr(lfs, path, type, NULL, 0x3ff); -} -#endif - - -/// Filesystem operations /// - -// compile time checks, see lfs.h for why these limits exist -#if LFS_NAME_MAX > 1022 -#error "Invalid LFS_NAME_MAX, must be <= 1022" -#endif - -#if LFS_FILE_MAX > 2147483647 -#error "Invalid LFS_FILE_MAX, must be <= 2147483647" -#endif - -#if LFS_ATTR_MAX > 1022 -#error "Invalid LFS_ATTR_MAX, must be <= 1022" -#endif - -// common filesystem initialization -static int lfs_init(lfs_t *lfs, const struct lfs_config *cfg) { - lfs->cfg = cfg; - lfs->block_count = cfg->block_count; // May be 0 - int err = 0; - -#ifdef LFS_MULTIVERSION - // this driver only supports minor version < current minor version - LFS_ASSERT(!lfs->cfg->disk_version || ( - (0xffff & (lfs->cfg->disk_version >> 16)) - == LFS_DISK_VERSION_MAJOR - && (0xffff & (lfs->cfg->disk_version >> 0)) - <= LFS_DISK_VERSION_MINOR)); -#endif - - // check that bool is a truthy-preserving type - // - // note the most common reason for this failure is a before-c99 compiler, - // which littlefs currently does not support - LFS_ASSERT((bool)0x80000000); - - // check that the required io functions are provided - LFS_ASSERT(lfs->cfg->read != NULL); -#ifndef LFS_READONLY - LFS_ASSERT(lfs->cfg->prog != NULL); - LFS_ASSERT(lfs->cfg->erase != NULL); - LFS_ASSERT(lfs->cfg->sync != NULL); -#endif - - // validate that the lfs-cfg sizes were initiated properly before - // performing any arithmetic logics with them - LFS_ASSERT(lfs->cfg->read_size != 0); - LFS_ASSERT(lfs->cfg->prog_size != 0); - LFS_ASSERT(lfs->cfg->cache_size != 0); - - // check that block size is a multiple of cache size is a multiple - // of prog and read sizes - LFS_ASSERT(lfs->cfg->cache_size % lfs->cfg->read_size == 0); - LFS_ASSERT(lfs->cfg->cache_size % lfs->cfg->prog_size == 0); - LFS_ASSERT(lfs->cfg->block_size % lfs->cfg->cache_size == 0); - - // check that the block size is large enough to fit all ctz pointers - LFS_ASSERT(lfs->cfg->block_size >= 128); - // this is the exact calculation for all ctz pointers, if this fails - // and the simpler assert above does not, math must be broken - LFS_ASSERT(4*lfs_npw2(0xffffffff / (lfs->cfg->block_size-2*4)) - <= lfs->cfg->block_size); - - // block_cycles = 0 is no longer supported. - // - // block_cycles is the number of erase cycles before littlefs evicts - // metadata logs as a part of wear leveling. Suggested values are in the - // range of 100-1000, or set block_cycles to -1 to disable block-level - // wear-leveling. - LFS_ASSERT(lfs->cfg->block_cycles != 0); - - // check that compact_thresh makes sense - // - // metadata can't be compacted below block_size/2, and metadata can't - // exceed a block_size - LFS_ASSERT(lfs->cfg->compact_thresh == 0 - || lfs->cfg->compact_thresh >= lfs->cfg->block_size/2); - LFS_ASSERT(lfs->cfg->compact_thresh == (lfs_size_t)-1 - || lfs->cfg->compact_thresh <= lfs->cfg->block_size); - - // check that metadata_max is a multiple of read_size and prog_size, - // and a factor of the block_size - LFS_ASSERT(!lfs->cfg->metadata_max - || lfs->cfg->metadata_max % lfs->cfg->read_size == 0); - LFS_ASSERT(!lfs->cfg->metadata_max - || lfs->cfg->metadata_max % lfs->cfg->prog_size == 0); - LFS_ASSERT(!lfs->cfg->metadata_max - || lfs->cfg->block_size % lfs->cfg->metadata_max == 0); - - // setup read cache - if (lfs->cfg->read_buffer) { - lfs->rcache.buffer = lfs->cfg->read_buffer; - } else { - lfs->rcache.buffer = lfs_malloc(lfs->cfg->cache_size); - if (!lfs->rcache.buffer) { - err = LFS_ERR_NOMEM; - goto cleanup; - } - } - - // setup program cache - if (lfs->cfg->prog_buffer) { - lfs->pcache.buffer = lfs->cfg->prog_buffer; - } else { - lfs->pcache.buffer = lfs_malloc(lfs->cfg->cache_size); - if (!lfs->pcache.buffer) { - err = LFS_ERR_NOMEM; - goto cleanup; - } - } - - // zero to avoid information leaks - lfs_cache_zero(lfs, &lfs->rcache); - lfs_cache_zero(lfs, &lfs->pcache); - - // setup lookahead buffer, note mount finishes initializing this after - // we establish a decent pseudo-random seed - LFS_ASSERT(lfs->cfg->lookahead_size > 0); - if (lfs->cfg->lookahead_buffer) { - lfs->lookahead.buffer = lfs->cfg->lookahead_buffer; - } else { - lfs->lookahead.buffer = lfs_malloc(lfs->cfg->lookahead_size); - if (!lfs->lookahead.buffer) { - err = LFS_ERR_NOMEM; - goto cleanup; - } - } - - // check that the size limits are sane - LFS_ASSERT(lfs->cfg->name_max <= LFS_NAME_MAX); - lfs->name_max = lfs->cfg->name_max; - if (!lfs->name_max) { - lfs->name_max = LFS_NAME_MAX; - } - - LFS_ASSERT(lfs->cfg->file_max <= LFS_FILE_MAX); - lfs->file_max = lfs->cfg->file_max; - if (!lfs->file_max) { - lfs->file_max = LFS_FILE_MAX; - } - - LFS_ASSERT(lfs->cfg->attr_max <= LFS_ATTR_MAX); - lfs->attr_max = lfs->cfg->attr_max; - if (!lfs->attr_max) { - lfs->attr_max = LFS_ATTR_MAX; - } - - LFS_ASSERT(lfs->cfg->metadata_max <= lfs->cfg->block_size); - - LFS_ASSERT(lfs->cfg->inline_max == (lfs_size_t)-1 - || lfs->cfg->inline_max <= lfs->cfg->cache_size); - LFS_ASSERT(lfs->cfg->inline_max == (lfs_size_t)-1 - || lfs->cfg->inline_max <= lfs->attr_max); - LFS_ASSERT(lfs->cfg->inline_max == (lfs_size_t)-1 - || lfs->cfg->inline_max <= ((lfs->cfg->metadata_max) - ? lfs->cfg->metadata_max - : lfs->cfg->block_size)/8); - lfs->inline_max = lfs->cfg->inline_max; - if (lfs->inline_max == (lfs_size_t)-1) { - lfs->inline_max = 0; - } else if (lfs->inline_max == 0) { - lfs->inline_max = lfs_min( - lfs->cfg->cache_size, - lfs_min( - lfs->attr_max, - ((lfs->cfg->metadata_max) - ? lfs->cfg->metadata_max - : lfs->cfg->block_size)/8)); - } - - // setup default state - lfs->root[0] = LFS_BLOCK_NULL; - lfs->root[1] = LFS_BLOCK_NULL; - lfs->mlist = NULL; - lfs->seed = 0; - lfs->gdisk = (lfs_gstate_t){0}; - lfs->gstate = (lfs_gstate_t){0}; - lfs->gdelta = (lfs_gstate_t){0}; -#ifdef LFS_MIGRATE - lfs->lfs1 = NULL; -#endif - - return 0; - -cleanup: - lfs_deinit(lfs); - return err; -} - -static int lfs_deinit(lfs_t *lfs) { - // free allocated memory - if (!lfs->cfg->read_buffer) { - lfs_free(lfs->rcache.buffer); - } - - if (!lfs->cfg->prog_buffer) { - lfs_free(lfs->pcache.buffer); - } - - if (!lfs->cfg->lookahead_buffer) { - lfs_free(lfs->lookahead.buffer); - } - - return 0; -} - - - -#ifndef LFS_READONLY -static int lfs_format_(lfs_t *lfs, const struct lfs_config *cfg) { - int err = 0; - { - err = lfs_init(lfs, cfg); - if (err) { - return err; - } - - LFS_ASSERT(cfg->block_count != 0); - - // create free lookahead - memset(lfs->lookahead.buffer, 0, lfs->cfg->lookahead_size); - lfs->lookahead.start = 0; - lfs->lookahead.size = lfs_min(8*lfs->cfg->lookahead_size, - lfs->block_count); - lfs->lookahead.next = 0; - lfs_alloc_ckpoint(lfs); - - // create root dir - lfs_mdir_t root; - err = lfs_dir_alloc(lfs, &root); - if (err) { - goto cleanup; - } - - // write one superblock - lfs_superblock_t superblock = { - .version = lfs_fs_disk_version(lfs), - .block_size = lfs->cfg->block_size, - .block_count = lfs->block_count, - .name_max = lfs->name_max, - .file_max = lfs->file_max, - .attr_max = lfs->attr_max, - }; - - lfs_superblock_tole32(&superblock); - err = lfs_dir_commit(lfs, &root, LFS_MKATTRS( - {LFS_MKTAG(LFS_TYPE_CREATE, 0, 0), NULL}, - {LFS_MKTAG(LFS_TYPE_SUPERBLOCK, 0, 8), "littlefs"}, - {LFS_MKTAG(LFS_TYPE_INLINESTRUCT, 0, sizeof(superblock)), - &superblock})); - if (err) { - goto cleanup; - } - - // force compaction to prevent accidentally mounting any - // older version of littlefs that may live on disk - root.erased = false; - err = lfs_dir_commit(lfs, &root, NULL, 0); - if (err) { - goto cleanup; - } - - // sanity check that fetch works - err = lfs_dir_fetch(lfs, &root, (const lfs_block_t[2]){0, 1}); - if (err) { - goto cleanup; - } - } - -cleanup: - lfs_deinit(lfs); - return err; - -} -#endif - -struct lfs_tortoise_t { - lfs_block_t pair[2]; - lfs_size_t i; - lfs_size_t period; -}; - -static int lfs_tortoise_detectcycles( - const lfs_mdir_t *dir, struct lfs_tortoise_t *tortoise) { - // detect cycles with Brent's algorithm - if (lfs_pair_issync(dir->tail, tortoise->pair)) { - LFS_WARN("Cycle detected in tail list"); - return LFS_ERR_CORRUPT; - } - if (tortoise->i == tortoise->period) { - tortoise->pair[0] = dir->tail[0]; - tortoise->pair[1] = dir->tail[1]; - tortoise->i = 0; - tortoise->period *= 2; - } - tortoise->i += 1; - - return LFS_ERR_OK; -} - -static int lfs_mount_(lfs_t *lfs, const struct lfs_config *cfg) { - int err = lfs_init(lfs, cfg); - if (err) { - return err; - } - - // scan directory blocks for superblock and any global updates - lfs_mdir_t dir = {.tail = {0, 1}}; - struct lfs_tortoise_t tortoise = { - .pair = {LFS_BLOCK_NULL, LFS_BLOCK_NULL}, - .i = 1, - .period = 1, - }; - while (!lfs_pair_isnull(dir.tail)) { - err = lfs_tortoise_detectcycles(&dir, &tortoise); - if (err < 0) { - goto cleanup; - } - - // fetch next block in tail list - lfs_stag_t tag = lfs_dir_fetchmatch(lfs, &dir, dir.tail, - LFS_MKTAG(0x7ff, 0x3ff, 0), - LFS_MKTAG(LFS_TYPE_SUPERBLOCK, 0, 8), - NULL, - lfs_dir_find_match, &(struct lfs_dir_find_match){ - lfs, "littlefs", 8}); - if (tag < 0) { - err = tag; - goto cleanup; - } - - // has superblock? - if (tag && !lfs_tag_isdelete(tag)) { - // update root - lfs->root[0] = dir.pair[0]; - lfs->root[1] = dir.pair[1]; - - // grab superblock - lfs_superblock_t superblock; - tag = lfs_dir_get(lfs, &dir, LFS_MKTAG(0x7ff, 0x3ff, 0), - LFS_MKTAG(LFS_TYPE_INLINESTRUCT, 0, sizeof(superblock)), - &superblock); - if (tag < 0) { - err = tag; - goto cleanup; - } - lfs_superblock_fromle32(&superblock); - - // check version - uint16_t major_version = (0xffff & (superblock.version >> 16)); - uint16_t minor_version = (0xffff & (superblock.version >> 0)); - if (major_version != lfs_fs_disk_version_major(lfs) - || minor_version > lfs_fs_disk_version_minor(lfs)) { - LFS_ERROR("Invalid version " - "v%"PRIu16".%"PRIu16" != v%"PRIu16".%"PRIu16, - major_version, - minor_version, - lfs_fs_disk_version_major(lfs), - lfs_fs_disk_version_minor(lfs)); - err = LFS_ERR_INVAL; - goto cleanup; - } - - // found older minor version? set an in-device only bit in the - // gstate so we know we need to rewrite the superblock before - // the first write - bool needssuperblock = false; - if (minor_version < lfs_fs_disk_version_minor(lfs)) { - LFS_DEBUG("Found older minor version " - "v%"PRIu16".%"PRIu16" < v%"PRIu16".%"PRIu16, - major_version, - minor_version, - lfs_fs_disk_version_major(lfs), - lfs_fs_disk_version_minor(lfs)); - needssuperblock = true; - } - // note this bit is reserved on disk, so fetching more gstate - // will not interfere here - lfs_fs_prepsuperblock(lfs, needssuperblock); - - // check superblock configuration - if (superblock.name_max) { - if (superblock.name_max > lfs->name_max) { - LFS_ERROR("Unsupported name_max (%"PRIu32" > %"PRIu32")", - superblock.name_max, lfs->name_max); - err = LFS_ERR_INVAL; - goto cleanup; - } - - lfs->name_max = superblock.name_max; - } - - if (superblock.file_max) { - if (superblock.file_max > lfs->file_max) { - LFS_ERROR("Unsupported file_max (%"PRIu32" > %"PRIu32")", - superblock.file_max, lfs->file_max); - err = LFS_ERR_INVAL; - goto cleanup; - } - - lfs->file_max = superblock.file_max; - } - - if (superblock.attr_max) { - if (superblock.attr_max > lfs->attr_max) { - LFS_ERROR("Unsupported attr_max (%"PRIu32" > %"PRIu32")", - superblock.attr_max, lfs->attr_max); - err = LFS_ERR_INVAL; - goto cleanup; - } - - lfs->attr_max = superblock.attr_max; - - // we also need to update inline_max in case attr_max changed - lfs->inline_max = lfs_min(lfs->inline_max, lfs->attr_max); - } - - // this is where we get the block_count from disk if block_count=0 - if (lfs->cfg->block_count - && superblock.block_count != lfs->cfg->block_count) { - LFS_ERROR("Invalid block count (%"PRIu32" != %"PRIu32")", - superblock.block_count, lfs->cfg->block_count); - err = LFS_ERR_INVAL; - goto cleanup; - } - - lfs->block_count = superblock.block_count; - - if (superblock.block_size != lfs->cfg->block_size) { - LFS_ERROR("Invalid block size (%"PRIu32" != %"PRIu32")", - superblock.block_size, lfs->cfg->block_size); - err = LFS_ERR_INVAL; - goto cleanup; - } - } - - // has gstate? - err = lfs_dir_getgstate(lfs, &dir, &lfs->gstate); - if (err) { - goto cleanup; - } - } - - // update littlefs with gstate - if (!lfs_gstate_iszero(&lfs->gstate)) { - LFS_DEBUG("Found pending gstate 0x%08"PRIx32"%08"PRIx32"%08"PRIx32, - lfs->gstate.tag, - lfs->gstate.pair[0], - lfs->gstate.pair[1]); - } - lfs->gstate.tag += !lfs_tag_isvalid(lfs->gstate.tag); - lfs->gdisk = lfs->gstate; - - // setup free lookahead, to distribute allocations uniformly across - // boots, we start the allocator at a random location - lfs->lookahead.start = lfs->seed % lfs->block_count; - lfs_alloc_drop(lfs); - - return 0; - -cleanup: - lfs_unmount_(lfs); - return err; -} - -static int lfs_unmount_(lfs_t *lfs) { - return lfs_deinit(lfs); -} - - -/// Filesystem filesystem operations /// -static int lfs_fs_stat_(lfs_t *lfs, struct lfs_fsinfo *fsinfo) { - // if the superblock is up-to-date, we must be on the most recent - // minor version of littlefs - if (!lfs_gstate_needssuperblock(&lfs->gstate)) { - fsinfo->disk_version = lfs_fs_disk_version(lfs); - - // otherwise we need to read the minor version on disk - } else { - // fetch the superblock - lfs_mdir_t dir; - int err = lfs_dir_fetch(lfs, &dir, lfs->root); - if (err) { - return err; - } - - lfs_superblock_t superblock; - lfs_stag_t tag = lfs_dir_get(lfs, &dir, LFS_MKTAG(0x7ff, 0x3ff, 0), - LFS_MKTAG(LFS_TYPE_INLINESTRUCT, 0, sizeof(superblock)), - &superblock); - if (tag < 0) { - return tag; - } - lfs_superblock_fromle32(&superblock); - - // read the on-disk version - fsinfo->disk_version = superblock.version; - } - - // filesystem geometry - fsinfo->block_size = lfs->cfg->block_size; - fsinfo->block_count = lfs->block_count; - - // other on-disk configuration, we cache all of these for internal use - fsinfo->name_max = lfs->name_max; - fsinfo->file_max = lfs->file_max; - fsinfo->attr_max = lfs->attr_max; - - return 0; -} - -int lfs_fs_traverse_(lfs_t *lfs, - int (*cb)(void *data, lfs_block_t block), void *data, - bool includeorphans) { - // iterate over metadata pairs - lfs_mdir_t dir = {.tail = {0, 1}}; - -#ifdef LFS_MIGRATE - // also consider v1 blocks during migration - if (lfs->lfs1) { - int err = lfs1_traverse(lfs, cb, data); - if (err) { - return err; - } - - dir.tail[0] = lfs->root[0]; - dir.tail[1] = lfs->root[1]; - } -#endif - - struct lfs_tortoise_t tortoise = { - .pair = {LFS_BLOCK_NULL, LFS_BLOCK_NULL}, - .i = 1, - .period = 1, - }; - int err = LFS_ERR_OK; - while (!lfs_pair_isnull(dir.tail)) { - err = lfs_tortoise_detectcycles(&dir, &tortoise); - if (err < 0) { - return LFS_ERR_CORRUPT; - } - - for (int i = 0; i < 2; i++) { - int err = cb(data, dir.tail[i]); - if (err) { - return err; - } - } - - // iterate through ids in directory - int err = lfs_dir_fetch(lfs, &dir, dir.tail); - if (err) { - return err; - } - - for (uint16_t id = 0; id < dir.count; id++) { - struct lfs_ctz ctz; - lfs_stag_t tag = lfs_dir_get(lfs, &dir, LFS_MKTAG(0x700, 0x3ff, 0), - LFS_MKTAG(LFS_TYPE_STRUCT, id, sizeof(ctz)), &ctz); - if (tag < 0) { - if (tag == LFS_ERR_NOENT) { - continue; - } - return tag; - } - lfs_ctz_fromle32(&ctz); - - if (lfs_tag_type3(tag) == LFS_TYPE_CTZSTRUCT) { - err = lfs_ctz_traverse(lfs, NULL, &lfs->rcache, - ctz.head, ctz.size, cb, data); - if (err) { - return err; - } - } else if (includeorphans && - lfs_tag_type3(tag) == LFS_TYPE_DIRSTRUCT) { - for (int i = 0; i < 2; i++) { - err = cb(data, (&ctz.head)[i]); - if (err) { - return err; - } - } - } - } - } - -#ifndef LFS_READONLY - // iterate over any open files - for (lfs_file_t *f = (lfs_file_t*)lfs->mlist; f; f = f->next) { - if (f->type != LFS_TYPE_REG) { - continue; - } - - if ((f->flags & LFS_F_DIRTY) && !(f->flags & LFS_F_INLINE)) { - int err = lfs_ctz_traverse(lfs, &f->cache, &lfs->rcache, - f->ctz.head, f->ctz.size, cb, data); - if (err) { - return err; - } - } - - if ((f->flags & LFS_F_WRITING) && !(f->flags & LFS_F_INLINE)) { - int err = lfs_ctz_traverse(lfs, &f->cache, &lfs->rcache, - f->block, f->pos, cb, data); - if (err) { - return err; - } - } - } -#endif - - return 0; -} - -#ifndef LFS_READONLY -static int lfs_fs_pred(lfs_t *lfs, - const lfs_block_t pair[2], lfs_mdir_t *pdir) { - // iterate over all directory directory entries - pdir->tail[0] = 0; - pdir->tail[1] = 1; - struct lfs_tortoise_t tortoise = { - .pair = {LFS_BLOCK_NULL, LFS_BLOCK_NULL}, - .i = 1, - .period = 1, - }; - int err = LFS_ERR_OK; - while (!lfs_pair_isnull(pdir->tail)) { - err = lfs_tortoise_detectcycles(pdir, &tortoise); - if (err < 0) { - return LFS_ERR_CORRUPT; - } - - if (lfs_pair_cmp(pdir->tail, pair) == 0) { - return 0; - } - - int err = lfs_dir_fetch(lfs, pdir, pdir->tail); - if (err) { - return err; - } - } - - return LFS_ERR_NOENT; -} -#endif - -#ifndef LFS_READONLY -struct lfs_fs_parent_match { - lfs_t *lfs; - const lfs_block_t pair[2]; -}; -#endif - -#ifndef LFS_READONLY -static int lfs_fs_parent_match(void *data, - lfs_tag_t tag, const void *buffer) { - struct lfs_fs_parent_match *find = data; - lfs_t *lfs = find->lfs; - const struct lfs_diskoff *disk = buffer; - (void)tag; - - lfs_block_t child[2]; - int err = lfs_bd_read(lfs, - &lfs->pcache, &lfs->rcache, lfs->cfg->block_size, - disk->block, disk->off, &child, sizeof(child)); - if (err) { - return err; - } - - lfs_pair_fromle32(child); - return (lfs_pair_cmp(child, find->pair) == 0) ? LFS_CMP_EQ : LFS_CMP_LT; -} -#endif - -#ifndef LFS_READONLY -static lfs_stag_t lfs_fs_parent(lfs_t *lfs, const lfs_block_t pair[2], - lfs_mdir_t *parent) { - // use fetchmatch with callback to find pairs - parent->tail[0] = 0; - parent->tail[1] = 1; - struct lfs_tortoise_t tortoise = { - .pair = {LFS_BLOCK_NULL, LFS_BLOCK_NULL}, - .i = 1, - .period = 1, - }; - int err = LFS_ERR_OK; - while (!lfs_pair_isnull(parent->tail)) { - err = lfs_tortoise_detectcycles(parent, &tortoise); - if (err < 0) { - return err; - } - - lfs_stag_t tag = lfs_dir_fetchmatch(lfs, parent, parent->tail, - LFS_MKTAG(0x7ff, 0, 0x3ff), - LFS_MKTAG(LFS_TYPE_DIRSTRUCT, 0, 8), - NULL, - lfs_fs_parent_match, &(struct lfs_fs_parent_match){ - lfs, {pair[0], pair[1]}}); - if (tag && tag != LFS_ERR_NOENT) { - return tag; - } - } - - return LFS_ERR_NOENT; -} -#endif - -static void lfs_fs_prepsuperblock(lfs_t *lfs, bool needssuperblock) { - lfs->gstate.tag = (lfs->gstate.tag & ~LFS_MKTAG(0, 0, 0x200)) - | (uint32_t)needssuperblock << 9; -} - -#ifndef LFS_READONLY -static int lfs_fs_preporphans(lfs_t *lfs, int8_t orphans) { - LFS_ASSERT(lfs_tag_size(lfs->gstate.tag) > 0x000 || orphans >= 0); - LFS_ASSERT(lfs_tag_size(lfs->gstate.tag) < 0x1ff || orphans <= 0); - lfs->gstate.tag += orphans; - lfs->gstate.tag = ((lfs->gstate.tag & ~LFS_MKTAG(0x800, 0, 0)) | - ((uint32_t)lfs_gstate_hasorphans(&lfs->gstate) << 31)); - - return 0; -} -#endif - -#ifndef LFS_READONLY -static void lfs_fs_prepmove(lfs_t *lfs, - uint16_t id, const lfs_block_t pair[2]) { - lfs->gstate.tag = ((lfs->gstate.tag & ~LFS_MKTAG(0x7ff, 0x3ff, 0)) | - ((id != 0x3ff) ? LFS_MKTAG(LFS_TYPE_DELETE, id, 0) : 0)); - lfs->gstate.pair[0] = (id != 0x3ff) ? pair[0] : 0; - lfs->gstate.pair[1] = (id != 0x3ff) ? pair[1] : 0; -} -#endif - -#ifndef LFS_READONLY -static int lfs_fs_desuperblock(lfs_t *lfs) { - if (!lfs_gstate_needssuperblock(&lfs->gstate)) { - return 0; - } - - LFS_DEBUG("Rewriting superblock {0x%"PRIx32", 0x%"PRIx32"}", - lfs->root[0], - lfs->root[1]); - - lfs_mdir_t root; - int err = lfs_dir_fetch(lfs, &root, lfs->root); - if (err) { - return err; - } - - // write a new superblock - lfs_superblock_t superblock = { - .version = lfs_fs_disk_version(lfs), - .block_size = lfs->cfg->block_size, - .block_count = lfs->block_count, - .name_max = lfs->name_max, - .file_max = lfs->file_max, - .attr_max = lfs->attr_max, - }; - - lfs_superblock_tole32(&superblock); - err = lfs_dir_commit(lfs, &root, LFS_MKATTRS( - {LFS_MKTAG(LFS_TYPE_INLINESTRUCT, 0, sizeof(superblock)), - &superblock})); - if (err) { - return err; - } - - lfs_fs_prepsuperblock(lfs, false); - return 0; -} -#endif - -#ifndef LFS_READONLY -static int lfs_fs_demove(lfs_t *lfs) { - if (!lfs_gstate_hasmove(&lfs->gdisk)) { - return 0; - } - - // Fix bad moves - LFS_DEBUG("Fixing move {0x%"PRIx32", 0x%"PRIx32"} 0x%"PRIx16, - lfs->gdisk.pair[0], - lfs->gdisk.pair[1], - lfs_tag_id(lfs->gdisk.tag)); - - // no other gstate is supported at this time, so if we found something else - // something most likely went wrong in gstate calculation - LFS_ASSERT(lfs_tag_type3(lfs->gdisk.tag) == LFS_TYPE_DELETE); - - // fetch and delete the moved entry - lfs_mdir_t movedir; - int err = lfs_dir_fetch(lfs, &movedir, lfs->gdisk.pair); - if (err) { - return err; - } - - // prep gstate and delete move id - uint16_t moveid = lfs_tag_id(lfs->gdisk.tag); - lfs_fs_prepmove(lfs, 0x3ff, NULL); - err = lfs_dir_commit(lfs, &movedir, LFS_MKATTRS( - {LFS_MKTAG(LFS_TYPE_DELETE, moveid, 0), NULL})); - if (err) { - return err; - } - - return 0; -} -#endif - -#ifndef LFS_READONLY -static int lfs_fs_deorphan(lfs_t *lfs, bool powerloss) { - if (!lfs_gstate_hasorphans(&lfs->gstate)) { - return 0; - } - - // Check for orphans in two separate passes: - // - 1 for half-orphans (relocations) - // - 2 for full-orphans (removes/renames) - // - // Two separate passes are needed as half-orphans can contain outdated - // references to full-orphans, effectively hiding them from the deorphan - // search. - // - int pass = 0; - while (pass < 2) { - // Fix any orphans - lfs_mdir_t pdir = {.split = true, .tail = {0, 1}}; - lfs_mdir_t dir; - bool moreorphans = false; - - // iterate over all directory directory entries - while (!lfs_pair_isnull(pdir.tail)) { - int err = lfs_dir_fetch(lfs, &dir, pdir.tail); - if (err) { - return err; - } - - // check head blocks for orphans - if (!pdir.split) { - // check if we have a parent - lfs_mdir_t parent; - lfs_stag_t tag = lfs_fs_parent(lfs, pdir.tail, &parent); - if (tag < 0 && tag != LFS_ERR_NOENT) { - return tag; - } - - if (pass == 0 && tag != LFS_ERR_NOENT) { - lfs_block_t pair[2]; - lfs_stag_t state = lfs_dir_get(lfs, &parent, - LFS_MKTAG(0x7ff, 0x3ff, 0), tag, pair); - if (state < 0) { - return state; - } - lfs_pair_fromle32(pair); - - if (!lfs_pair_issync(pair, pdir.tail)) { - // we have desynced - LFS_DEBUG("Fixing half-orphan " - "{0x%"PRIx32", 0x%"PRIx32"} " - "-> {0x%"PRIx32", 0x%"PRIx32"}", - pdir.tail[0], pdir.tail[1], pair[0], pair[1]); - - // fix pending move in this pair? this looks like an - // optimization but is in fact _required_ since - // relocating may outdate the move. - uint16_t moveid = 0x3ff; - if (lfs_gstate_hasmovehere(&lfs->gstate, pdir.pair)) { - moveid = lfs_tag_id(lfs->gstate.tag); - LFS_DEBUG("Fixing move while fixing orphans " - "{0x%"PRIx32", 0x%"PRIx32"} 0x%"PRIx16"\n", - pdir.pair[0], pdir.pair[1], moveid); - lfs_fs_prepmove(lfs, 0x3ff, NULL); - } - - lfs_pair_tole32(pair); - state = lfs_dir_orphaningcommit(lfs, &pdir, LFS_MKATTRS( - {LFS_MKTAG_IF(moveid != 0x3ff, - LFS_TYPE_DELETE, moveid, 0), NULL}, - {LFS_MKTAG(LFS_TYPE_SOFTTAIL, 0x3ff, 8), - pair})); - lfs_pair_fromle32(pair); - if (state < 0) { - return state; - } - - // did our commit create more orphans? - if (state == LFS_OK_ORPHANED) { - moreorphans = true; - } - - // refetch tail - continue; - } - } - - // note we only check for full orphans if we may have had a - // power-loss, otherwise orphans are created intentionally - // during operations such as lfs_mkdir - if (pass == 1 && tag == LFS_ERR_NOENT && powerloss) { - // we are an orphan - LFS_DEBUG("Fixing orphan {0x%"PRIx32", 0x%"PRIx32"}", - pdir.tail[0], pdir.tail[1]); - - // steal state - err = lfs_dir_getgstate(lfs, &dir, &lfs->gdelta); - if (err) { - return err; - } - - // steal tail - lfs_pair_tole32(dir.tail); - int state = lfs_dir_orphaningcommit(lfs, &pdir, LFS_MKATTRS( - {LFS_MKTAG(LFS_TYPE_TAIL + dir.split, 0x3ff, 8), - dir.tail})); - lfs_pair_fromle32(dir.tail); - if (state < 0) { - return state; - } - - // did our commit create more orphans? - if (state == LFS_OK_ORPHANED) { - moreorphans = true; - } - - // refetch tail - continue; - } - } - - pdir = dir; - } - - pass = moreorphans ? 0 : pass+1; - } - - // mark orphans as fixed - return lfs_fs_preporphans(lfs, -lfs_gstate_getorphans(&lfs->gstate)); -} -#endif - -#ifndef LFS_READONLY -static int lfs_fs_forceconsistency(lfs_t *lfs) { - int err = lfs_fs_desuperblock(lfs); - if (err) { - return err; - } - - err = lfs_fs_demove(lfs); - if (err) { - return err; - } - - err = lfs_fs_deorphan(lfs, true); - if (err) { - return err; - } - - return 0; -} -#endif - -#ifndef LFS_READONLY -static int lfs_fs_mkconsistent_(lfs_t *lfs) { - // lfs_fs_forceconsistency does most of the work here - int err = lfs_fs_forceconsistency(lfs); - if (err) { - return err; - } - - // do we have any pending gstate? - lfs_gstate_t delta = {0}; - lfs_gstate_xor(&delta, &lfs->gdisk); - lfs_gstate_xor(&delta, &lfs->gstate); - if (!lfs_gstate_iszero(&delta)) { - // lfs_dir_commit will implicitly write out any pending gstate - lfs_mdir_t root; - err = lfs_dir_fetch(lfs, &root, lfs->root); - if (err) { - return err; - } - - err = lfs_dir_commit(lfs, &root, NULL, 0); - if (err) { - return err; - } - } - - return 0; -} -#endif - -static int lfs_fs_size_count(void *p, lfs_block_t block) { - (void)block; - lfs_size_t *size = p; - *size += 1; - return 0; -} - -static lfs_ssize_t lfs_fs_size_(lfs_t *lfs) { - lfs_size_t size = 0; - int err = lfs_fs_traverse_(lfs, lfs_fs_size_count, &size, false); - if (err) { - return err; - } - - return size; -} - -// explicit garbage collection -#ifndef LFS_READONLY -static int lfs_fs_gc_(lfs_t *lfs) { - // force consistency, even if we're not necessarily going to write, - // because this function is supposed to take care of janitorial work - // isn't it? - int err = lfs_fs_forceconsistency(lfs); - if (err) { - return err; - } - - // try to compact metadata pairs, note we can't really accomplish - // anything if compact_thresh doesn't at least leave a prog_size - // available - if (lfs->cfg->compact_thresh - < lfs->cfg->block_size - lfs->cfg->prog_size) { - // iterate over all mdirs - lfs_mdir_t mdir = {.tail = {0, 1}}; - while (!lfs_pair_isnull(mdir.tail)) { - err = lfs_dir_fetch(lfs, &mdir, mdir.tail); - if (err) { - return err; - } - - // not erased? exceeds our compaction threshold? - if (!mdir.erased || ((lfs->cfg->compact_thresh == 0) - ? mdir.off > lfs->cfg->block_size - lfs->cfg->block_size/8 - : mdir.off > lfs->cfg->compact_thresh)) { - // the easiest way to trigger a compaction is to mark - // the mdir as unerased and add an empty commit - mdir.erased = false; - err = lfs_dir_commit(lfs, &mdir, NULL, 0); - if (err) { - return err; - } - } - } - } - - // try to populate the lookahead buffer, unless it's already full - if (lfs->lookahead.size < 8*lfs->cfg->lookahead_size) { - err = lfs_alloc_scan(lfs); - if (err) { - return err; - } - } - - return 0; -} -#endif - -#ifndef LFS_READONLY -static int lfs_fs_grow_(lfs_t *lfs, lfs_size_t block_count) { - // shrinking is not supported - LFS_ASSERT(block_count >= lfs->block_count); - - if (block_count > lfs->block_count) { - lfs->block_count = block_count; - - // fetch the root - lfs_mdir_t root; - int err = lfs_dir_fetch(lfs, &root, lfs->root); - if (err) { - return err; - } - - // update the superblock - lfs_superblock_t superblock; - lfs_stag_t tag = lfs_dir_get(lfs, &root, LFS_MKTAG(0x7ff, 0x3ff, 0), - LFS_MKTAG(LFS_TYPE_INLINESTRUCT, 0, sizeof(superblock)), - &superblock); - if (tag < 0) { - return tag; - } - lfs_superblock_fromle32(&superblock); - - superblock.block_count = lfs->block_count; - - lfs_superblock_tole32(&superblock); - err = lfs_dir_commit(lfs, &root, LFS_MKATTRS( - {tag, &superblock})); - if (err) { - return err; - } - } - - return 0; -} -#endif - -#ifdef LFS_MIGRATE -////// Migration from littelfs v1 below this ////// - -/// Version info /// - -// Software library version -// Major (top-nibble), incremented on backwards incompatible changes -// Minor (bottom-nibble), incremented on feature additions -#define LFS1_VERSION 0x00010007 -#define LFS1_VERSION_MAJOR (0xffff & (LFS1_VERSION >> 16)) -#define LFS1_VERSION_MINOR (0xffff & (LFS1_VERSION >> 0)) - -// Version of On-disk data structures -// Major (top-nibble), incremented on backwards incompatible changes -// Minor (bottom-nibble), incremented on feature additions -#define LFS1_DISK_VERSION 0x00010001 -#define LFS1_DISK_VERSION_MAJOR (0xffff & (LFS1_DISK_VERSION >> 16)) -#define LFS1_DISK_VERSION_MINOR (0xffff & (LFS1_DISK_VERSION >> 0)) - - -/// v1 Definitions /// - -// File types -enum lfs1_type { - LFS1_TYPE_REG = 0x11, - LFS1_TYPE_DIR = 0x22, - LFS1_TYPE_SUPERBLOCK = 0x2e, -}; - -typedef struct lfs1 { - lfs_block_t root[2]; -} lfs1_t; - -typedef struct lfs1_entry { - lfs_off_t off; - - struct lfs1_disk_entry { - uint8_t type; - uint8_t elen; - uint8_t alen; - uint8_t nlen; - union { - struct { - lfs_block_t head; - lfs_size_t size; - } file; - lfs_block_t dir[2]; - } u; - } d; -} lfs1_entry_t; - -typedef struct lfs1_dir { - struct lfs1_dir *next; - lfs_block_t pair[2]; - lfs_off_t off; - - lfs_block_t head[2]; - lfs_off_t pos; - - struct lfs1_disk_dir { - uint32_t rev; - lfs_size_t size; - lfs_block_t tail[2]; - } d; -} lfs1_dir_t; - -typedef struct lfs1_superblock { - lfs_off_t off; - - struct lfs1_disk_superblock { - uint8_t type; - uint8_t elen; - uint8_t alen; - uint8_t nlen; - lfs_block_t root[2]; - uint32_t block_size; - uint32_t block_count; - uint32_t version; - char magic[8]; - } d; -} lfs1_superblock_t; - - -/// Low-level wrappers v1->v2 /// -static void lfs1_crc(uint32_t *crc, const void *buffer, size_t size) { - *crc = lfs_crc(*crc, buffer, size); -} - -static int lfs1_bd_read(lfs_t *lfs, lfs_block_t block, - lfs_off_t off, void *buffer, lfs_size_t size) { - // if we ever do more than writes to alternating pairs, - // this may need to consider pcache - return lfs_bd_read(lfs, &lfs->pcache, &lfs->rcache, size, - block, off, buffer, size); -} - -static int lfs1_bd_crc(lfs_t *lfs, lfs_block_t block, - lfs_off_t off, lfs_size_t size, uint32_t *crc) { - for (lfs_off_t i = 0; i < size; i++) { - uint8_t c; - int err = lfs1_bd_read(lfs, block, off+i, &c, 1); - if (err) { - return err; - } - - lfs1_crc(crc, &c, 1); - } - - return 0; -} - - -/// Endian swapping functions /// -static void lfs1_dir_fromle32(struct lfs1_disk_dir *d) { - d->rev = lfs_fromle32(d->rev); - d->size = lfs_fromle32(d->size); - d->tail[0] = lfs_fromle32(d->tail[0]); - d->tail[1] = lfs_fromle32(d->tail[1]); -} - -static void lfs1_dir_tole32(struct lfs1_disk_dir *d) { - d->rev = lfs_tole32(d->rev); - d->size = lfs_tole32(d->size); - d->tail[0] = lfs_tole32(d->tail[0]); - d->tail[1] = lfs_tole32(d->tail[1]); -} - -static void lfs1_entry_fromle32(struct lfs1_disk_entry *d) { - d->u.dir[0] = lfs_fromle32(d->u.dir[0]); - d->u.dir[1] = lfs_fromle32(d->u.dir[1]); -} - -static void lfs1_entry_tole32(struct lfs1_disk_entry *d) { - d->u.dir[0] = lfs_tole32(d->u.dir[0]); - d->u.dir[1] = lfs_tole32(d->u.dir[1]); -} - -static void lfs1_superblock_fromle32(struct lfs1_disk_superblock *d) { - d->root[0] = lfs_fromle32(d->root[0]); - d->root[1] = lfs_fromle32(d->root[1]); - d->block_size = lfs_fromle32(d->block_size); - d->block_count = lfs_fromle32(d->block_count); - d->version = lfs_fromle32(d->version); -} - - -///// Metadata pair and directory operations /// -static inline lfs_size_t lfs1_entry_size(const lfs1_entry_t *entry) { - return 4 + entry->d.elen + entry->d.alen + entry->d.nlen; -} - -static int lfs1_dir_fetch(lfs_t *lfs, - lfs1_dir_t *dir, const lfs_block_t pair[2]) { - // copy out pair, otherwise may be aliasing dir - const lfs_block_t tpair[2] = {pair[0], pair[1]}; - bool valid = false; - - // check both blocks for the most recent revision - for (int i = 0; i < 2; i++) { - struct lfs1_disk_dir test; - int err = lfs1_bd_read(lfs, tpair[i], 0, &test, sizeof(test)); - lfs1_dir_fromle32(&test); - if (err) { - if (err == LFS_ERR_CORRUPT) { - continue; - } - return err; - } - - if (valid && lfs_scmp(test.rev, dir->d.rev) < 0) { - continue; - } - - if ((0x7fffffff & test.size) < sizeof(test)+4 || - (0x7fffffff & test.size) > lfs->cfg->block_size) { - continue; - } - - uint32_t crc = 0xffffffff; - lfs1_dir_tole32(&test); - lfs1_crc(&crc, &test, sizeof(test)); - lfs1_dir_fromle32(&test); - err = lfs1_bd_crc(lfs, tpair[i], sizeof(test), - (0x7fffffff & test.size) - sizeof(test), &crc); - if (err) { - if (err == LFS_ERR_CORRUPT) { - continue; - } - return err; - } - - if (crc != 0) { - continue; - } - - valid = true; - - // setup dir in case it's valid - dir->pair[0] = tpair[(i+0) % 2]; - dir->pair[1] = tpair[(i+1) % 2]; - dir->off = sizeof(dir->d); - dir->d = test; - } - - if (!valid) { - LFS_ERROR("Corrupted dir pair at {0x%"PRIx32", 0x%"PRIx32"}", - tpair[0], tpair[1]); - return LFS_ERR_CORRUPT; - } - - return 0; -} - -static int lfs1_dir_next(lfs_t *lfs, lfs1_dir_t *dir, lfs1_entry_t *entry) { - while (dir->off + sizeof(entry->d) > (0x7fffffff & dir->d.size)-4) { - if (!(0x80000000 & dir->d.size)) { - entry->off = dir->off; - return LFS_ERR_NOENT; - } - - int err = lfs1_dir_fetch(lfs, dir, dir->d.tail); - if (err) { - return err; - } - - dir->off = sizeof(dir->d); - dir->pos += sizeof(dir->d) + 4; - } - - int err = lfs1_bd_read(lfs, dir->pair[0], dir->off, - &entry->d, sizeof(entry->d)); - lfs1_entry_fromle32(&entry->d); - if (err) { - return err; - } - - entry->off = dir->off; - dir->off += lfs1_entry_size(entry); - dir->pos += lfs1_entry_size(entry); - return 0; -} - -/// littlefs v1 specific operations /// -int lfs1_traverse(lfs_t *lfs, int (*cb)(void*, lfs_block_t), void *data) { - if (lfs_pair_isnull(lfs->lfs1->root)) { - return 0; - } - - // iterate over metadata pairs - lfs1_dir_t dir; - lfs1_entry_t entry; - lfs_block_t cwd[2] = {0, 1}; - - while (true) { - for (int i = 0; i < 2; i++) { - int err = cb(data, cwd[i]); - if (err) { - return err; - } - } - - int err = lfs1_dir_fetch(lfs, &dir, cwd); - if (err) { - return err; - } - - // iterate over contents - while (dir.off + sizeof(entry.d) <= (0x7fffffff & dir.d.size)-4) { - err = lfs1_bd_read(lfs, dir.pair[0], dir.off, - &entry.d, sizeof(entry.d)); - lfs1_entry_fromle32(&entry.d); - if (err) { - return err; - } - - dir.off += lfs1_entry_size(&entry); - if ((0x70 & entry.d.type) == (0x70 & LFS1_TYPE_REG)) { - err = lfs_ctz_traverse(lfs, NULL, &lfs->rcache, - entry.d.u.file.head, entry.d.u.file.size, cb, data); - if (err) { - return err; - } - } - } - - // we also need to check if we contain a threaded v2 directory - lfs_mdir_t dir2 = {.split=true, .tail={cwd[0], cwd[1]}}; - while (dir2.split) { - err = lfs_dir_fetch(lfs, &dir2, dir2.tail); - if (err) { - break; - } - - for (int i = 0; i < 2; i++) { - err = cb(data, dir2.pair[i]); - if (err) { - return err; - } - } - } - - cwd[0] = dir.d.tail[0]; - cwd[1] = dir.d.tail[1]; - - if (lfs_pair_isnull(cwd)) { - break; - } - } - - return 0; -} - -static int lfs1_moved(lfs_t *lfs, const void *e) { - if (lfs_pair_isnull(lfs->lfs1->root)) { - return 0; - } - - // skip superblock - lfs1_dir_t cwd; - int err = lfs1_dir_fetch(lfs, &cwd, (const lfs_block_t[2]){0, 1}); - if (err) { - return err; - } - - // iterate over all directory directory entries - lfs1_entry_t entry; - while (!lfs_pair_isnull(cwd.d.tail)) { - err = lfs1_dir_fetch(lfs, &cwd, cwd.d.tail); - if (err) { - return err; - } - - while (true) { - err = lfs1_dir_next(lfs, &cwd, &entry); - if (err && err != LFS_ERR_NOENT) { - return err; - } - - if (err == LFS_ERR_NOENT) { - break; - } - - if (!(0x80 & entry.d.type) && - memcmp(&entry.d.u, e, sizeof(entry.d.u)) == 0) { - return true; - } - } - } - - return false; -} - -/// Filesystem operations /// -static int lfs1_mount(lfs_t *lfs, struct lfs1 *lfs1, - const struct lfs_config *cfg) { - int err = 0; - { - err = lfs_init(lfs, cfg); - if (err) { - return err; - } - - lfs->lfs1 = lfs1; - lfs->lfs1->root[0] = LFS_BLOCK_NULL; - lfs->lfs1->root[1] = LFS_BLOCK_NULL; - - // setup free lookahead - lfs->lookahead.start = 0; - lfs->lookahead.size = 0; - lfs->lookahead.next = 0; - lfs_alloc_ckpoint(lfs); - - // load superblock - lfs1_dir_t dir; - lfs1_superblock_t superblock; - err = lfs1_dir_fetch(lfs, &dir, (const lfs_block_t[2]){0, 1}); - if (err && err != LFS_ERR_CORRUPT) { - goto cleanup; - } - - if (!err) { - err = lfs1_bd_read(lfs, dir.pair[0], sizeof(dir.d), - &superblock.d, sizeof(superblock.d)); - lfs1_superblock_fromle32(&superblock.d); - if (err) { - goto cleanup; - } - - lfs->lfs1->root[0] = superblock.d.root[0]; - lfs->lfs1->root[1] = superblock.d.root[1]; - } - - if (err || memcmp(superblock.d.magic, "littlefs", 8) != 0) { - LFS_ERROR("Invalid superblock at {0x%"PRIx32", 0x%"PRIx32"}", - 0, 1); - err = LFS_ERR_CORRUPT; - goto cleanup; - } - - uint16_t major_version = (0xffff & (superblock.d.version >> 16)); - uint16_t minor_version = (0xffff & (superblock.d.version >> 0)); - if ((major_version != LFS1_DISK_VERSION_MAJOR || - minor_version > LFS1_DISK_VERSION_MINOR)) { - LFS_ERROR("Invalid version v%d.%d", major_version, minor_version); - err = LFS_ERR_INVAL; - goto cleanup; - } - - return 0; - } - -cleanup: - lfs_deinit(lfs); - return err; -} - -static int lfs1_unmount(lfs_t *lfs) { - return lfs_deinit(lfs); -} - -/// v1 migration /// -static int lfs_migrate_(lfs_t *lfs, const struct lfs_config *cfg) { - struct lfs1 lfs1; - - // Indeterminate filesystem size not allowed for migration. - LFS_ASSERT(cfg->block_count != 0); - - int err = lfs1_mount(lfs, &lfs1, cfg); - if (err) { - return err; - } - - { - // iterate through each directory, copying over entries - // into new directory - lfs1_dir_t dir1; - lfs_mdir_t dir2; - dir1.d.tail[0] = lfs->lfs1->root[0]; - dir1.d.tail[1] = lfs->lfs1->root[1]; - while (!lfs_pair_isnull(dir1.d.tail)) { - // iterate old dir - err = lfs1_dir_fetch(lfs, &dir1, dir1.d.tail); - if (err) { - goto cleanup; - } - - // create new dir and bind as temporary pretend root - err = lfs_dir_alloc(lfs, &dir2); - if (err) { - goto cleanup; - } - - dir2.rev = dir1.d.rev; - dir1.head[0] = dir1.pair[0]; - dir1.head[1] = dir1.pair[1]; - lfs->root[0] = dir2.pair[0]; - lfs->root[1] = dir2.pair[1]; - - err = lfs_dir_commit(lfs, &dir2, NULL, 0); - if (err) { - goto cleanup; - } - - while (true) { - lfs1_entry_t entry1; - err = lfs1_dir_next(lfs, &dir1, &entry1); - if (err && err != LFS_ERR_NOENT) { - goto cleanup; - } - - if (err == LFS_ERR_NOENT) { - break; - } - - // check that entry has not been moved - if (entry1.d.type & 0x80) { - int moved = lfs1_moved(lfs, &entry1.d.u); - if (moved < 0) { - err = moved; - goto cleanup; - } - - if (moved) { - continue; - } - - entry1.d.type &= ~0x80; - } - - // also fetch name - char name[LFS_NAME_MAX+1]; - memset(name, 0, sizeof(name)); - err = lfs1_bd_read(lfs, dir1.pair[0], - entry1.off + 4+entry1.d.elen+entry1.d.alen, - name, entry1.d.nlen); - if (err) { - goto cleanup; - } - - bool isdir = (entry1.d.type == LFS1_TYPE_DIR); - - // create entry in new dir - err = lfs_dir_fetch(lfs, &dir2, lfs->root); - if (err) { - goto cleanup; - } - - uint16_t id; - err = lfs_dir_find(lfs, &dir2, &(const char*){name}, &id); - if (!(err == LFS_ERR_NOENT && id != 0x3ff)) { - err = (err < 0) ? err : LFS_ERR_EXIST; - goto cleanup; - } - - lfs1_entry_tole32(&entry1.d); - err = lfs_dir_commit(lfs, &dir2, LFS_MKATTRS( - {LFS_MKTAG(LFS_TYPE_CREATE, id, 0), NULL}, - {LFS_MKTAG_IF_ELSE(isdir, - LFS_TYPE_DIR, id, entry1.d.nlen, - LFS_TYPE_REG, id, entry1.d.nlen), - name}, - {LFS_MKTAG_IF_ELSE(isdir, - LFS_TYPE_DIRSTRUCT, id, sizeof(entry1.d.u), - LFS_TYPE_CTZSTRUCT, id, sizeof(entry1.d.u)), - &entry1.d.u})); - lfs1_entry_fromle32(&entry1.d); - if (err) { - goto cleanup; - } - } - - if (!lfs_pair_isnull(dir1.d.tail)) { - // find last block and update tail to thread into fs - err = lfs_dir_fetch(lfs, &dir2, lfs->root); - if (err) { - goto cleanup; - } - - while (dir2.split) { - err = lfs_dir_fetch(lfs, &dir2, dir2.tail); - if (err) { - goto cleanup; - } - } - - lfs_pair_tole32(dir2.pair); - err = lfs_dir_commit(lfs, &dir2, LFS_MKATTRS( - {LFS_MKTAG(LFS_TYPE_SOFTTAIL, 0x3ff, 8), dir1.d.tail})); - lfs_pair_fromle32(dir2.pair); - if (err) { - goto cleanup; - } - } - - // Copy over first block to thread into fs. Unfortunately - // if this fails there is not much we can do. - LFS_DEBUG("Migrating {0x%"PRIx32", 0x%"PRIx32"} " - "-> {0x%"PRIx32", 0x%"PRIx32"}", - lfs->root[0], lfs->root[1], dir1.head[0], dir1.head[1]); - - err = lfs_bd_erase(lfs, dir1.head[1]); - if (err) { - goto cleanup; - } - - err = lfs_dir_fetch(lfs, &dir2, lfs->root); - if (err) { - goto cleanup; - } - - for (lfs_off_t i = 0; i < dir2.off; i++) { - uint8_t dat; - err = lfs_bd_read(lfs, - NULL, &lfs->rcache, dir2.off, - dir2.pair[0], i, &dat, 1); - if (err) { - goto cleanup; - } - - err = lfs_bd_prog(lfs, - &lfs->pcache, &lfs->rcache, true, - dir1.head[1], i, &dat, 1); - if (err) { - goto cleanup; - } - } - - err = lfs_bd_flush(lfs, &lfs->pcache, &lfs->rcache, true); - if (err) { - goto cleanup; - } - } - - // Create new superblock. This marks a successful migration! - err = lfs1_dir_fetch(lfs, &dir1, (const lfs_block_t[2]){0, 1}); - if (err) { - goto cleanup; - } - - dir2.pair[0] = dir1.pair[0]; - dir2.pair[1] = dir1.pair[1]; - dir2.rev = dir1.d.rev; - dir2.off = sizeof(dir2.rev); - dir2.etag = 0xffffffff; - dir2.count = 0; - dir2.tail[0] = lfs->lfs1->root[0]; - dir2.tail[1] = lfs->lfs1->root[1]; - dir2.erased = false; - dir2.split = true; - - lfs_superblock_t superblock = { - .version = LFS_DISK_VERSION, - .block_size = lfs->cfg->block_size, - .block_count = lfs->cfg->block_count, - .name_max = lfs->name_max, - .file_max = lfs->file_max, - .attr_max = lfs->attr_max, - }; - - lfs_superblock_tole32(&superblock); - err = lfs_dir_commit(lfs, &dir2, LFS_MKATTRS( - {LFS_MKTAG(LFS_TYPE_CREATE, 0, 0), NULL}, - {LFS_MKTAG(LFS_TYPE_SUPERBLOCK, 0, 8), "littlefs"}, - {LFS_MKTAG(LFS_TYPE_INLINESTRUCT, 0, sizeof(superblock)), - &superblock})); - if (err) { - goto cleanup; - } - - // sanity check that fetch works - err = lfs_dir_fetch(lfs, &dir2, (const lfs_block_t[2]){0, 1}); - if (err) { - goto cleanup; - } - - // force compaction to prevent accidentally mounting v1 - dir2.erased = false; - err = lfs_dir_commit(lfs, &dir2, NULL, 0); - if (err) { - goto cleanup; - } - } - -cleanup: - lfs1_unmount(lfs); - return err; -} - -#endif - - -/// Public API wrappers /// - -// Here we can add tracing/thread safety easily - -// Thread-safe wrappers if enabled -#ifdef LFS_THREADSAFE -#define LFS_LOCK(cfg) cfg->lock(cfg) -#define LFS_UNLOCK(cfg) cfg->unlock(cfg) -#else -#define LFS_LOCK(cfg) ((void)cfg, 0) -#define LFS_UNLOCK(cfg) ((void)cfg) -#endif - -// Public API -#ifndef LFS_READONLY -int lfs_format(lfs_t *lfs, const struct lfs_config *cfg) { - int err = LFS_LOCK(cfg); - if (err) { - return err; - } - LFS_TRACE("lfs_format(%p, %p {.context=%p, " - ".read=%p, .prog=%p, .erase=%p, .sync=%p, " - ".read_size=%"PRIu32", .prog_size=%"PRIu32", " - ".block_size=%"PRIu32", .block_count=%"PRIu32", " - ".block_cycles=%"PRId32", .cache_size=%"PRIu32", " - ".lookahead_size=%"PRIu32", .read_buffer=%p, " - ".prog_buffer=%p, .lookahead_buffer=%p, " - ".name_max=%"PRIu32", .file_max=%"PRIu32", " - ".attr_max=%"PRIu32"})", - (void*)lfs, (void*)cfg, cfg->context, - (void*)(uintptr_t)cfg->read, (void*)(uintptr_t)cfg->prog, - (void*)(uintptr_t)cfg->erase, (void*)(uintptr_t)cfg->sync, - cfg->read_size, cfg->prog_size, cfg->block_size, cfg->block_count, - cfg->block_cycles, cfg->cache_size, cfg->lookahead_size, - cfg->read_buffer, cfg->prog_buffer, cfg->lookahead_buffer, - cfg->name_max, cfg->file_max, cfg->attr_max); - - err = lfs_format_(lfs, cfg); - - LFS_TRACE("lfs_format -> %d", err); - LFS_UNLOCK(cfg); - return err; -} -#endif - -int lfs_mount(lfs_t *lfs, const struct lfs_config *cfg) { - int err = LFS_LOCK(cfg); - if (err) { - return err; - } - LFS_TRACE("lfs_mount(%p, %p {.context=%p, " - ".read=%p, .prog=%p, .erase=%p, .sync=%p, " - ".read_size=%"PRIu32", .prog_size=%"PRIu32", " - ".block_size=%"PRIu32", .block_count=%"PRIu32", " - ".block_cycles=%"PRId32", .cache_size=%"PRIu32", " - ".lookahead_size=%"PRIu32", .read_buffer=%p, " - ".prog_buffer=%p, .lookahead_buffer=%p, " - ".name_max=%"PRIu32", .file_max=%"PRIu32", " - ".attr_max=%"PRIu32"})", - (void*)lfs, (void*)cfg, cfg->context, - (void*)(uintptr_t)cfg->read, (void*)(uintptr_t)cfg->prog, - (void*)(uintptr_t)cfg->erase, (void*)(uintptr_t)cfg->sync, - cfg->read_size, cfg->prog_size, cfg->block_size, cfg->block_count, - cfg->block_cycles, cfg->cache_size, cfg->lookahead_size, - cfg->read_buffer, cfg->prog_buffer, cfg->lookahead_buffer, - cfg->name_max, cfg->file_max, cfg->attr_max); - - err = lfs_mount_(lfs, cfg); - - LFS_TRACE("lfs_mount -> %d", err); - LFS_UNLOCK(cfg); - return err; -} - -int lfs_unmount(lfs_t *lfs) { - int err = LFS_LOCK(lfs->cfg); - if (err) { - return err; - } - LFS_TRACE("lfs_unmount(%p)", (void*)lfs); - - err = lfs_unmount_(lfs); - - LFS_TRACE("lfs_unmount -> %d", err); - LFS_UNLOCK(lfs->cfg); - return err; -} - -#ifndef LFS_READONLY -int lfs_remove(lfs_t *lfs, const char *path) { - int err = LFS_LOCK(lfs->cfg); - if (err) { - return err; - } - LFS_TRACE("lfs_remove(%p, \"%s\")", (void*)lfs, path); - - err = lfs_remove_(lfs, path); - - LFS_TRACE("lfs_remove -> %d", err); - LFS_UNLOCK(lfs->cfg); - return err; -} -#endif - -#ifndef LFS_READONLY -int lfs_rename(lfs_t *lfs, const char *oldpath, const char *newpath) { - int err = LFS_LOCK(lfs->cfg); - if (err) { - return err; - } - LFS_TRACE("lfs_rename(%p, \"%s\", \"%s\")", (void*)lfs, oldpath, newpath); - - err = lfs_rename_(lfs, oldpath, newpath); - - LFS_TRACE("lfs_rename -> %d", err); - LFS_UNLOCK(lfs->cfg); - return err; -} -#endif - -int lfs_stat(lfs_t *lfs, const char *path, struct lfs_info *info) { - int err = LFS_LOCK(lfs->cfg); - if (err) { - return err; - } - LFS_TRACE("lfs_stat(%p, \"%s\", %p)", (void*)lfs, path, (void*)info); - - err = lfs_stat_(lfs, path, info); - - LFS_TRACE("lfs_stat -> %d", err); - LFS_UNLOCK(lfs->cfg); - return err; -} - -lfs_ssize_t lfs_getattr(lfs_t *lfs, const char *path, - uint8_t type, void *buffer, lfs_size_t size) { - int err = LFS_LOCK(lfs->cfg); - if (err) { - return err; - } - LFS_TRACE("lfs_getattr(%p, \"%s\", %"PRIu8", %p, %"PRIu32")", - (void*)lfs, path, type, buffer, size); - - lfs_ssize_t res = lfs_getattr_(lfs, path, type, buffer, size); - - LFS_TRACE("lfs_getattr -> %"PRId32, res); - LFS_UNLOCK(lfs->cfg); - return res; -} - -#ifndef LFS_READONLY -int lfs_setattr(lfs_t *lfs, const char *path, - uint8_t type, const void *buffer, lfs_size_t size) { - int err = LFS_LOCK(lfs->cfg); - if (err) { - return err; - } - LFS_TRACE("lfs_setattr(%p, \"%s\", %"PRIu8", %p, %"PRIu32")", - (void*)lfs, path, type, buffer, size); - - err = lfs_setattr_(lfs, path, type, buffer, size); - - LFS_TRACE("lfs_setattr -> %d", err); - LFS_UNLOCK(lfs->cfg); - return err; -} -#endif - -#ifndef LFS_READONLY -int lfs_removeattr(lfs_t *lfs, const char *path, uint8_t type) { - int err = LFS_LOCK(lfs->cfg); - if (err) { - return err; - } - LFS_TRACE("lfs_removeattr(%p, \"%s\", %"PRIu8")", (void*)lfs, path, type); - - err = lfs_removeattr_(lfs, path, type); - - LFS_TRACE("lfs_removeattr -> %d", err); - LFS_UNLOCK(lfs->cfg); - return err; -} -#endif - -#ifndef LFS_NO_MALLOC -int lfs_file_open(lfs_t *lfs, lfs_file_t *file, const char *path, int flags) { - int err = LFS_LOCK(lfs->cfg); - if (err) { - return err; - } - LFS_TRACE("lfs_file_open(%p, %p, \"%s\", %x)", - (void*)lfs, (void*)file, path, (unsigned)flags); - LFS_ASSERT(!lfs_mlist_isopen(lfs->mlist, (struct lfs_mlist*)file)); - - err = lfs_file_open_(lfs, file, path, flags); - - LFS_TRACE("lfs_file_open -> %d", err); - LFS_UNLOCK(lfs->cfg); - return err; -} -#endif - -int lfs_file_opencfg(lfs_t *lfs, lfs_file_t *file, - const char *path, int flags, - const struct lfs_file_config *cfg) { - int err = LFS_LOCK(lfs->cfg); - if (err) { - return err; - } - LFS_TRACE("lfs_file_opencfg(%p, %p, \"%s\", %x, %p {" - ".buffer=%p, .attrs=%p, .attr_count=%"PRIu32"})", - (void*)lfs, (void*)file, path, (unsigned)flags, - (void*)cfg, cfg->buffer, (void*)cfg->attrs, cfg->attr_count); - LFS_ASSERT(!lfs_mlist_isopen(lfs->mlist, (struct lfs_mlist*)file)); - - err = lfs_file_opencfg_(lfs, file, path, flags, cfg); - - LFS_TRACE("lfs_file_opencfg -> %d", err); - LFS_UNLOCK(lfs->cfg); - return err; -} - -int lfs_file_close(lfs_t *lfs, lfs_file_t *file) { - int err = LFS_LOCK(lfs->cfg); - if (err) { - return err; - } - LFS_TRACE("lfs_file_close(%p, %p)", (void*)lfs, (void*)file); - LFS_ASSERT(lfs_mlist_isopen(lfs->mlist, (struct lfs_mlist*)file)); - - err = lfs_file_close_(lfs, file); - - LFS_TRACE("lfs_file_close -> %d", err); - LFS_UNLOCK(lfs->cfg); - return err; -} - -#ifndef LFS_READONLY -int lfs_file_sync(lfs_t *lfs, lfs_file_t *file) { - int err = LFS_LOCK(lfs->cfg); - if (err) { - return err; - } - LFS_TRACE("lfs_file_sync(%p, %p)", (void*)lfs, (void*)file); - LFS_ASSERT(lfs_mlist_isopen(lfs->mlist, (struct lfs_mlist*)file)); - - err = lfs_file_sync_(lfs, file); - - LFS_TRACE("lfs_file_sync -> %d", err); - LFS_UNLOCK(lfs->cfg); - return err; -} -#endif - -lfs_ssize_t lfs_file_read(lfs_t *lfs, lfs_file_t *file, - void *buffer, lfs_size_t size) { - int err = LFS_LOCK(lfs->cfg); - if (err) { - return err; - } - LFS_TRACE("lfs_file_read(%p, %p, %p, %"PRIu32")", - (void*)lfs, (void*)file, buffer, size); - LFS_ASSERT(lfs_mlist_isopen(lfs->mlist, (struct lfs_mlist*)file)); - - lfs_ssize_t res = lfs_file_read_(lfs, file, buffer, size); - - LFS_TRACE("lfs_file_read -> %"PRId32, res); - LFS_UNLOCK(lfs->cfg); - return res; -} - -#ifndef LFS_READONLY -lfs_ssize_t lfs_file_write(lfs_t *lfs, lfs_file_t *file, - const void *buffer, lfs_size_t size) { - int err = LFS_LOCK(lfs->cfg); - if (err) { - return err; - } - LFS_TRACE("lfs_file_write(%p, %p, %p, %"PRIu32")", - (void*)lfs, (void*)file, buffer, size); - LFS_ASSERT(lfs_mlist_isopen(lfs->mlist, (struct lfs_mlist*)file)); - - lfs_ssize_t res = lfs_file_write_(lfs, file, buffer, size); - - LFS_TRACE("lfs_file_write -> %"PRId32, res); - LFS_UNLOCK(lfs->cfg); - return res; -} -#endif - -lfs_soff_t lfs_file_seek(lfs_t *lfs, lfs_file_t *file, - lfs_soff_t off, int whence) { - int err = LFS_LOCK(lfs->cfg); - if (err) { - return err; - } - LFS_TRACE("lfs_file_seek(%p, %p, %"PRId32", %d)", - (void*)lfs, (void*)file, off, whence); - LFS_ASSERT(lfs_mlist_isopen(lfs->mlist, (struct lfs_mlist*)file)); - - lfs_soff_t res = lfs_file_seek_(lfs, file, off, whence); - - LFS_TRACE("lfs_file_seek -> %"PRId32, res); - LFS_UNLOCK(lfs->cfg); - return res; -} - -#ifndef LFS_READONLY -int lfs_file_truncate(lfs_t *lfs, lfs_file_t *file, lfs_off_t size) { - int err = LFS_LOCK(lfs->cfg); - if (err) { - return err; - } - LFS_TRACE("lfs_file_truncate(%p, %p, %"PRIu32")", - (void*)lfs, (void*)file, size); - LFS_ASSERT(lfs_mlist_isopen(lfs->mlist, (struct lfs_mlist*)file)); - - err = lfs_file_truncate_(lfs, file, size); - - LFS_TRACE("lfs_file_truncate -> %d", err); - LFS_UNLOCK(lfs->cfg); - return err; -} -#endif - -lfs_soff_t lfs_file_tell(lfs_t *lfs, lfs_file_t *file) { - int err = LFS_LOCK(lfs->cfg); - if (err) { - return err; - } - LFS_TRACE("lfs_file_tell(%p, %p)", (void*)lfs, (void*)file); - LFS_ASSERT(lfs_mlist_isopen(lfs->mlist, (struct lfs_mlist*)file)); - - lfs_soff_t res = lfs_file_tell_(lfs, file); - - LFS_TRACE("lfs_file_tell -> %"PRId32, res); - LFS_UNLOCK(lfs->cfg); - return res; -} - -int lfs_file_rewind(lfs_t *lfs, lfs_file_t *file) { - int err = LFS_LOCK(lfs->cfg); - if (err) { - return err; - } - LFS_TRACE("lfs_file_rewind(%p, %p)", (void*)lfs, (void*)file); - - err = lfs_file_rewind_(lfs, file); - - LFS_TRACE("lfs_file_rewind -> %d", err); - LFS_UNLOCK(lfs->cfg); - return err; -} - -lfs_soff_t lfs_file_size(lfs_t *lfs, lfs_file_t *file) { - int err = LFS_LOCK(lfs->cfg); - if (err) { - return err; - } - LFS_TRACE("lfs_file_size(%p, %p)", (void*)lfs, (void*)file); - LFS_ASSERT(lfs_mlist_isopen(lfs->mlist, (struct lfs_mlist*)file)); - - lfs_soff_t res = lfs_file_size_(lfs, file); - - LFS_TRACE("lfs_file_size -> %"PRIu32, res); - LFS_UNLOCK(lfs->cfg); - return res; -} - -#ifndef LFS_READONLY -int lfs_mkdir(lfs_t *lfs, const char *path) { - int err = LFS_LOCK(lfs->cfg); - if (err) { - return err; - } - LFS_TRACE("lfs_mkdir(%p, \"%s\")", (void*)lfs, path); - - err = lfs_mkdir_(lfs, path); - - LFS_TRACE("lfs_mkdir -> %d", err); - LFS_UNLOCK(lfs->cfg); - return err; -} -#endif - -int lfs_dir_open(lfs_t *lfs, lfs_dir_t *dir, const char *path) { - int err = LFS_LOCK(lfs->cfg); - if (err) { - return err; - } - LFS_TRACE("lfs_dir_open(%p, %p, \"%s\")", (void*)lfs, (void*)dir, path); - LFS_ASSERT(!lfs_mlist_isopen(lfs->mlist, (struct lfs_mlist*)dir)); - - err = lfs_dir_open_(lfs, dir, path); - - LFS_TRACE("lfs_dir_open -> %d", err); - LFS_UNLOCK(lfs->cfg); - return err; -} - -int lfs_dir_close(lfs_t *lfs, lfs_dir_t *dir) { - int err = LFS_LOCK(lfs->cfg); - if (err) { - return err; - } - LFS_TRACE("lfs_dir_close(%p, %p)", (void*)lfs, (void*)dir); - - err = lfs_dir_close_(lfs, dir); - - LFS_TRACE("lfs_dir_close -> %d", err); - LFS_UNLOCK(lfs->cfg); - return err; -} - -int lfs_dir_read(lfs_t *lfs, lfs_dir_t *dir, struct lfs_info *info) { - int err = LFS_LOCK(lfs->cfg); - if (err) { - return err; - } - LFS_TRACE("lfs_dir_read(%p, %p, %p)", - (void*)lfs, (void*)dir, (void*)info); - - err = lfs_dir_read_(lfs, dir, info); - - LFS_TRACE("lfs_dir_read -> %d", err); - LFS_UNLOCK(lfs->cfg); - return err; -} - -int lfs_dir_seek(lfs_t *lfs, lfs_dir_t *dir, lfs_off_t off) { - int err = LFS_LOCK(lfs->cfg); - if (err) { - return err; - } - LFS_TRACE("lfs_dir_seek(%p, %p, %"PRIu32")", - (void*)lfs, (void*)dir, off); - - err = lfs_dir_seek_(lfs, dir, off); - - LFS_TRACE("lfs_dir_seek -> %d", err); - LFS_UNLOCK(lfs->cfg); - return err; -} - -lfs_soff_t lfs_dir_tell(lfs_t *lfs, lfs_dir_t *dir) { - int err = LFS_LOCK(lfs->cfg); - if (err) { - return err; - } - LFS_TRACE("lfs_dir_tell(%p, %p)", (void*)lfs, (void*)dir); - - lfs_soff_t res = lfs_dir_tell_(lfs, dir); - - LFS_TRACE("lfs_dir_tell -> %"PRId32, res); - LFS_UNLOCK(lfs->cfg); - return res; -} - -int lfs_dir_rewind(lfs_t *lfs, lfs_dir_t *dir) { - int err = LFS_LOCK(lfs->cfg); - if (err) { - return err; - } - LFS_TRACE("lfs_dir_rewind(%p, %p)", (void*)lfs, (void*)dir); - - err = lfs_dir_rewind_(lfs, dir); - - LFS_TRACE("lfs_dir_rewind -> %d", err); - LFS_UNLOCK(lfs->cfg); - return err; -} - -int lfs_fs_stat(lfs_t *lfs, struct lfs_fsinfo *fsinfo) { - int err = LFS_LOCK(lfs->cfg); - if (err) { - return err; - } - LFS_TRACE("lfs_fs_stat(%p, %p)", (void*)lfs, (void*)fsinfo); - - err = lfs_fs_stat_(lfs, fsinfo); - - LFS_TRACE("lfs_fs_stat -> %d", err); - LFS_UNLOCK(lfs->cfg); - return err; -} - -lfs_ssize_t lfs_fs_size(lfs_t *lfs) { - int err = LFS_LOCK(lfs->cfg); - if (err) { - return err; - } - LFS_TRACE("lfs_fs_size(%p)", (void*)lfs); - - lfs_ssize_t res = lfs_fs_size_(lfs); - - LFS_TRACE("lfs_fs_size -> %"PRId32, res); - LFS_UNLOCK(lfs->cfg); - return res; -} - -int lfs_fs_traverse(lfs_t *lfs, int (*cb)(void *, lfs_block_t), void *data) { - int err = LFS_LOCK(lfs->cfg); - if (err) { - return err; - } - LFS_TRACE("lfs_fs_traverse(%p, %p, %p)", - (void*)lfs, (void*)(uintptr_t)cb, data); - - err = lfs_fs_traverse_(lfs, cb, data, true); - - LFS_TRACE("lfs_fs_traverse -> %d", err); - LFS_UNLOCK(lfs->cfg); - return err; -} - -#ifndef LFS_READONLY -int lfs_fs_mkconsistent(lfs_t *lfs) { - int err = LFS_LOCK(lfs->cfg); - if (err) { - return err; - } - LFS_TRACE("lfs_fs_mkconsistent(%p)", (void*)lfs); - - err = lfs_fs_mkconsistent_(lfs); - - LFS_TRACE("lfs_fs_mkconsistent -> %d", err); - LFS_UNLOCK(lfs->cfg); - return err; -} -#endif - -#ifndef LFS_READONLY -int lfs_fs_gc(lfs_t *lfs) { - int err = LFS_LOCK(lfs->cfg); - if (err) { - return err; - } - LFS_TRACE("lfs_fs_gc(%p)", (void*)lfs); - - err = lfs_fs_gc_(lfs); - - LFS_TRACE("lfs_fs_gc -> %d", err); - LFS_UNLOCK(lfs->cfg); - return err; -} -#endif - -#ifndef LFS_READONLY -int lfs_fs_grow(lfs_t *lfs, lfs_size_t block_count) { - int err = LFS_LOCK(lfs->cfg); - if (err) { - return err; - } - LFS_TRACE("lfs_fs_grow(%p, %"PRIu32")", (void*)lfs, block_count); - - err = lfs_fs_grow_(lfs, block_count); - - LFS_TRACE("lfs_fs_grow -> %d", err); - LFS_UNLOCK(lfs->cfg); - return err; -} -#endif - -#ifdef LFS_MIGRATE -int lfs_migrate(lfs_t *lfs, const struct lfs_config *cfg) { - int err = LFS_LOCK(cfg); - if (err) { - return err; - } - LFS_TRACE("lfs_migrate(%p, %p {.context=%p, " - ".read=%p, .prog=%p, .erase=%p, .sync=%p, " - ".read_size=%"PRIu32", .prog_size=%"PRIu32", " - ".block_size=%"PRIu32", .block_count=%"PRIu32", " - ".block_cycles=%"PRId32", .cache_size=%"PRIu32", " - ".lookahead_size=%"PRIu32", .read_buffer=%p, " - ".prog_buffer=%p, .lookahead_buffer=%p, " - ".name_max=%"PRIu32", .file_max=%"PRIu32", " - ".attr_max=%"PRIu32"})", - (void*)lfs, (void*)cfg, cfg->context, - (void*)(uintptr_t)cfg->read, (void*)(uintptr_t)cfg->prog, - (void*)(uintptr_t)cfg->erase, (void*)(uintptr_t)cfg->sync, - cfg->read_size, cfg->prog_size, cfg->block_size, cfg->block_count, - cfg->block_cycles, cfg->cache_size, cfg->lookahead_size, - cfg->read_buffer, cfg->prog_buffer, cfg->lookahead_buffer, - cfg->name_max, cfg->file_max, cfg->attr_max); - - err = lfs_migrate_(lfs, cfg); - - LFS_TRACE("lfs_migrate -> %d", err); - LFS_UNLOCK(cfg); - return err; -} -#endif - diff --git a/Ganesha_II_V2/Core/Src/lfs_util.c b/Ganesha_II_V2/Core/Src/lfs_util.c deleted file mode 100644 index dac72ab..0000000 --- a/Ganesha_II_V2/Core/Src/lfs_util.c +++ /dev/null @@ -1,37 +0,0 @@ -/* - * lfs util functions - * - * Copyright (c) 2022, The littlefs authors. - * Copyright (c) 2017, Arm Limited. All rights reserved. - * SPDX-License-Identifier: BSD-3-Clause - */ -#include "lfs_util.h" - -// Only compile if user does not provide custom config -#ifndef LFS_CONFIG - - -// If user provides their own CRC impl we don't need this -#ifndef LFS_CRC -// Software CRC implementation with small lookup table -uint32_t lfs_crc(uint32_t crc, const void *buffer, size_t size) { - static const uint32_t rtable[16] = { - 0x00000000, 0x1db71064, 0x3b6e20c8, 0x26d930ac, - 0x76dc4190, 0x6b6b51f4, 0x4db26158, 0x5005713c, - 0xedb88320, 0xf00f9344, 0xd6d6a3e8, 0xcb61b38c, - 0x9b64c2b0, 0x86d3d2d4, 0xa00ae278, 0xbdbdf21c, - }; - - const uint8_t *data = buffer; - - for (size_t i = 0; i < size; i++) { - crc = (crc >> 4) ^ rtable[(crc ^ (data[i] >> 0)) & 0xf]; - crc = (crc >> 4) ^ rtable[(crc ^ (data[i] >> 4)) & 0xf]; - } - - return crc; -} -#endif - - -#endif diff --git a/Ganesha_II_V2/Core/Src/main.c b/Ganesha_II_V2/Core/Src/main.c index c2e3f41..4e0981f 100644 --- a/Ganesha_II_V2/Core/Src/main.c +++ b/Ganesha_II_V2/Core/Src/main.c @@ -330,8 +330,9 @@ int main(void) if (flash_enabled) { uint32_t boot_count = flash_boot_count(&flash, false); uint32_t file_size = flash_open(&flash, &packet_file, "packets"); + const char msg[] = "Flash enabled!"; + HAL_UART_Transmit(&huart5, msg, sizeof(msg), HAL_MAX_DELAY); } - /* USER CODE END 2 */ /* Infinite loop */ @@ -399,7 +400,12 @@ int main(void) HAL_GPIO_TogglePin(GPIOD, CAM_FIRE_Pin); camera_fired ^= 1; - flash_enabled = false; + + if (flash_enabled) { + flash_enabled = false; + flash_close(&flash, &packet_file); + flash_unmount(&flash); + } } packet.status = (camera_fired == 1) ? 1 : 0; @@ -417,8 +423,10 @@ int main(void) HAL_GPIO_TogglePin(GPIOB, LED_Pin); } - flash_close(&flash, &packet_file); - flash_unmount(&flash); + if (flash_enabled) { + flash_close(&flash, &packet_file); + flash_unmount(&flash); + } /* USER CODE END 3 */ } diff --git a/Ganesha_II_V2/Makefile b/Ganesha_II_V2/Makefile index dd4e02c..2c8cef1 100644 --- a/Ganesha_II_V2/Makefile +++ b/Ganesha_II_V2/Makefile @@ -41,6 +41,7 @@ Core/Src/flash/gd5f1gq5xe.c \ Core/Src/flash/w25n01kv.c \ Core/Src/littlefs/lfs.c \ Core/Src/littlefs/lfs_util.c \ +Core/Src/orientation_estimator.c \ Core/Src/main.c \ Core/Src/CD-PA1616S.c \ Core/Src/bmi08a.c \ diff --git a/Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Class/CDC/Inc/usbd_cdc.h b/Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Class/CDC/Inc/usbd_cdc.h new file mode 100644 index 0000000..aeac6bf --- /dev/null +++ b/Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Class/CDC/Inc/usbd_cdc.h @@ -0,0 +1,184 @@ +/** + ****************************************************************************** + * @file usbd_cdc.h + * @author MCD Application Team + * @brief header file for the usbd_cdc.c file. + ****************************************************************************** + * @attention + * + * Copyright (c) 2015 STMicroelectronics. + * All rights reserved. + * + * This software is licensed under terms that can be found in the LICENSE file + * in the root directory of this software component. + * If no LICENSE file comes with this software, it is provided AS-IS. + * + ****************************************************************************** + */ + +/* Define to prevent recursive inclusion -------------------------------------*/ +#ifndef __USB_CDC_H +#define __USB_CDC_H + +#ifdef __cplusplus +extern "C" { +#endif + +/* Includes ------------------------------------------------------------------*/ +#include "usbd_ioreq.h" + +/** @addtogroup STM32_USB_DEVICE_LIBRARY + * @{ + */ + +/** @defgroup usbd_cdc + * @brief This file is the Header file for usbd_cdc.c + * @{ + */ + + +/** @defgroup usbd_cdc_Exported_Defines + * @{ + */ +#ifndef CDC_IN_EP +#define CDC_IN_EP 0x81U /* EP1 for data IN */ +#endif /* CDC_IN_EP */ +#ifndef CDC_OUT_EP +#define CDC_OUT_EP 0x01U /* EP1 for data OUT */ +#endif /* CDC_OUT_EP */ +#ifndef CDC_CMD_EP +#define CDC_CMD_EP 0x82U /* EP2 for CDC commands */ +#endif /* CDC_CMD_EP */ + +#ifndef CDC_HS_BINTERVAL +#define CDC_HS_BINTERVAL 0x10U +#endif /* CDC_HS_BINTERVAL */ + +#ifndef CDC_FS_BINTERVAL +#define CDC_FS_BINTERVAL 0x10U +#endif /* CDC_FS_BINTERVAL */ + +/* CDC Endpoints parameters: you can fine tune these values depending on the needed baudrates and performance. */ +#define CDC_DATA_HS_MAX_PACKET_SIZE 512U /* Endpoint IN & OUT Packet size */ +#define CDC_DATA_FS_MAX_PACKET_SIZE 64U /* Endpoint IN & OUT Packet size */ +#define CDC_CMD_PACKET_SIZE 8U /* Control Endpoint Packet size */ + +#define USB_CDC_CONFIG_DESC_SIZ 67U +#define CDC_DATA_HS_IN_PACKET_SIZE CDC_DATA_HS_MAX_PACKET_SIZE +#define CDC_DATA_HS_OUT_PACKET_SIZE CDC_DATA_HS_MAX_PACKET_SIZE + +#define CDC_DATA_FS_IN_PACKET_SIZE CDC_DATA_FS_MAX_PACKET_SIZE +#define CDC_DATA_FS_OUT_PACKET_SIZE CDC_DATA_FS_MAX_PACKET_SIZE + +#define CDC_REQ_MAX_DATA_SIZE 0x7U +/*---------------------------------------------------------------------*/ +/* CDC definitions */ +/*---------------------------------------------------------------------*/ +#define CDC_SEND_ENCAPSULATED_COMMAND 0x00U +#define CDC_GET_ENCAPSULATED_RESPONSE 0x01U +#define CDC_SET_COMM_FEATURE 0x02U +#define CDC_GET_COMM_FEATURE 0x03U +#define CDC_CLEAR_COMM_FEATURE 0x04U +#define CDC_SET_LINE_CODING 0x20U +#define CDC_GET_LINE_CODING 0x21U +#define CDC_SET_CONTROL_LINE_STATE 0x22U +#define CDC_SEND_BREAK 0x23U + +/** + * @} + */ + + +/** @defgroup USBD_CORE_Exported_TypesDefinitions + * @{ + */ + +/** + * @} + */ +typedef struct +{ + uint32_t bitrate; + uint8_t format; + uint8_t paritytype; + uint8_t datatype; +} USBD_CDC_LineCodingTypeDef; + +typedef struct _USBD_CDC_Itf +{ + int8_t (* Init)(void); + int8_t (* DeInit)(void); + int8_t (* Control)(uint8_t cmd, uint8_t *pbuf, uint16_t length); + int8_t (* Receive)(uint8_t *Buf, uint32_t *Len); + int8_t (* TransmitCplt)(uint8_t *Buf, uint32_t *Len, uint8_t epnum); +} USBD_CDC_ItfTypeDef; + + +typedef struct +{ + uint32_t data[CDC_DATA_HS_MAX_PACKET_SIZE / 4U]; /* Force 32-bit alignment */ + uint8_t CmdOpCode; + uint8_t CmdLength; + uint8_t *RxBuffer; + uint8_t *TxBuffer; + uint32_t RxLength; + uint32_t TxLength; + + __IO uint32_t TxState; + __IO uint32_t RxState; +} USBD_CDC_HandleTypeDef; + + + +/** @defgroup USBD_CORE_Exported_Macros + * @{ + */ + +/** + * @} + */ + +/** @defgroup USBD_CORE_Exported_Variables + * @{ + */ + +extern USBD_ClassTypeDef USBD_CDC; +#define USBD_CDC_CLASS &USBD_CDC +/** + * @} + */ + +/** @defgroup USB_CORE_Exported_Functions + * @{ + */ +uint8_t USBD_CDC_RegisterInterface(USBD_HandleTypeDef *pdev, + USBD_CDC_ItfTypeDef *fops); + +#ifdef USE_USBD_COMPOSITE +uint8_t USBD_CDC_SetTxBuffer(USBD_HandleTypeDef *pdev, uint8_t *pbuff, + uint32_t length, uint8_t ClassId); +uint8_t USBD_CDC_TransmitPacket(USBD_HandleTypeDef *pdev, uint8_t ClassId); +#else +uint8_t USBD_CDC_SetTxBuffer(USBD_HandleTypeDef *pdev, uint8_t *pbuff, + uint32_t length); +uint8_t USBD_CDC_TransmitPacket(USBD_HandleTypeDef *pdev); +#endif /* USE_USBD_COMPOSITE */ +uint8_t USBD_CDC_SetRxBuffer(USBD_HandleTypeDef *pdev, uint8_t *pbuff); +uint8_t USBD_CDC_ReceivePacket(USBD_HandleTypeDef *pdev); +/** + * @} + */ + +#ifdef __cplusplus +} +#endif + +#endif /* __USB_CDC_H */ +/** + * @} + */ + +/** + * @} + */ + diff --git a/Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Class/CDC/Src/usbd_cdc.c b/Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Class/CDC/Src/usbd_cdc.c new file mode 100644 index 0000000..ad8da25 --- /dev/null +++ b/Ganesha_II_V2/Middlewares/ST/STM32_USB_Device_Library/Class/CDC/Src/usbd_cdc.c @@ -0,0 +1,893 @@ +/** + ****************************************************************************** + * @file usbd_cdc.c + * @author MCD Application Team + * @brief This file provides the high layer firmware functions to manage the + * following functionalities of the USB CDC Class: + * - Initialization and Configuration of high and low layer + * - Enumeration as CDC Device (and enumeration for each implemented memory interface) + * - OUT/IN data transfer + * - Command IN transfer (class requests management) + * - Error management + * + ****************************************************************************** + * @attention + * + * Copyright (c) 2015 STMicroelectronics. + * All rights reserved. + * + * This software is licensed under terms that can be found in the LICENSE file + * in the root directory of this software component. + * If no LICENSE file comes with this software, it is provided AS-IS. + * + ****************************************************************************** + * @verbatim + * + * =================================================================== + * CDC Class Driver Description + * =================================================================== + * This driver manages the "Universal Serial Bus Class Definitions for Communications Devices + * Revision 1.2 November 16, 2007" and the sub-protocol specification of "Universal Serial Bus + * Communications Class Subclass Specification for PSTN Devices Revision 1.2 February 9, 2007" + * This driver implements the following aspects of the specification: + * - Device descriptor management + * - Configuration descriptor management + * - Enumeration as CDC device with 2 data endpoints (IN and OUT) and 1 command endpoint (IN) + * - Requests management (as described in section 6.2 in specification) + * - Abstract Control Model compliant + * - Union Functional collection (using 1 IN endpoint for control) + * - Data interface class + * + * These aspects may be enriched or modified for a specific user application. + * + * This driver doesn't implement the following aspects of the specification + * (but it is possible to manage these features with some modifications on this driver): + * - Any class-specific aspect relative to communication classes should be managed by user application. + * - All communication classes other than PSTN are not managed + * + * @endverbatim + * + ****************************************************************************** + */ + +/* BSPDependencies +- "stm32xxxxx_{eval}{discovery}{nucleo_144}.c" +- "stm32xxxxx_{eval}{discovery}_io.c" +EndBSPDependencies */ + +/* Includes ------------------------------------------------------------------*/ +#include "usbd_cdc.h" +#include "usbd_ctlreq.h" + + +/** @addtogroup STM32_USB_DEVICE_LIBRARY + * @{ + */ + + +/** @defgroup USBD_CDC + * @brief usbd core module + * @{ + */ + +/** @defgroup USBD_CDC_Private_TypesDefinitions + * @{ + */ +/** + * @} + */ + + +/** @defgroup USBD_CDC_Private_Defines + * @{ + */ +/** + * @} + */ + + +/** @defgroup USBD_CDC_Private_Macros + * @{ + */ + +/** + * @} + */ + + +/** @defgroup USBD_CDC_Private_FunctionPrototypes + * @{ + */ + +static uint8_t USBD_CDC_Init(USBD_HandleTypeDef *pdev, uint8_t cfgidx); +static uint8_t USBD_CDC_DeInit(USBD_HandleTypeDef *pdev, uint8_t cfgidx); +static uint8_t USBD_CDC_Setup(USBD_HandleTypeDef *pdev, USBD_SetupReqTypedef *req); +static uint8_t USBD_CDC_DataIn(USBD_HandleTypeDef *pdev, uint8_t epnum); +static uint8_t USBD_CDC_DataOut(USBD_HandleTypeDef *pdev, uint8_t epnum); +static uint8_t USBD_CDC_EP0_RxReady(USBD_HandleTypeDef *pdev); +#ifndef USE_USBD_COMPOSITE +static uint8_t *USBD_CDC_GetFSCfgDesc(uint16_t *length); +static uint8_t *USBD_CDC_GetHSCfgDesc(uint16_t *length); +static uint8_t *USBD_CDC_GetOtherSpeedCfgDesc(uint16_t *length); +uint8_t *USBD_CDC_GetDeviceQualifierDescriptor(uint16_t *length); +#endif /* USE_USBD_COMPOSITE */ + +#ifndef USE_USBD_COMPOSITE +/* USB Standard Device Descriptor */ +__ALIGN_BEGIN static uint8_t USBD_CDC_DeviceQualifierDesc[USB_LEN_DEV_QUALIFIER_DESC] __ALIGN_END = +{ + USB_LEN_DEV_QUALIFIER_DESC, + USB_DESC_TYPE_DEVICE_QUALIFIER, + 0x00, + 0x02, + 0x00, + 0x00, + 0x00, + 0x40, + 0x01, + 0x00, +}; +#endif /* USE_USBD_COMPOSITE */ +/** + * @} + */ + +/** @defgroup USBD_CDC_Private_Variables + * @{ + */ + + +/* CDC interface class callbacks structure */ +USBD_ClassTypeDef USBD_CDC = +{ + USBD_CDC_Init, + USBD_CDC_DeInit, + USBD_CDC_Setup, + NULL, /* EP0_TxSent */ + USBD_CDC_EP0_RxReady, + USBD_CDC_DataIn, + USBD_CDC_DataOut, + NULL, + NULL, + NULL, +#ifdef USE_USBD_COMPOSITE + NULL, + NULL, + NULL, + NULL, +#else + USBD_CDC_GetHSCfgDesc, + USBD_CDC_GetFSCfgDesc, + USBD_CDC_GetOtherSpeedCfgDesc, + USBD_CDC_GetDeviceQualifierDescriptor, +#endif /* USE_USBD_COMPOSITE */ +}; + +#ifndef USE_USBD_COMPOSITE +/* USB CDC device Configuration Descriptor */ +__ALIGN_BEGIN static uint8_t USBD_CDC_CfgDesc[USB_CDC_CONFIG_DESC_SIZ] __ALIGN_END = +{ + /* Configuration Descriptor */ + 0x09, /* bLength: Configuration Descriptor size */ + USB_DESC_TYPE_CONFIGURATION, /* bDescriptorType: Configuration */ + USB_CDC_CONFIG_DESC_SIZ, /* wTotalLength */ + 0x00, + 0x02, /* bNumInterfaces: 2 interfaces */ + 0x01, /* bConfigurationValue: Configuration value */ + 0x00, /* iConfiguration: Index of string descriptor + describing the configuration */ +#if (USBD_SELF_POWERED == 1U) + 0xC0, /* bmAttributes: Bus Powered according to user configuration */ +#else + 0x80, /* bmAttributes: Bus Powered according to user configuration */ +#endif /* USBD_SELF_POWERED */ + USBD_MAX_POWER, /* MaxPower (mA) */ + + /*---------------------------------------------------------------------------*/ + + /* Interface Descriptor */ + 0x09, /* bLength: Interface Descriptor size */ + USB_DESC_TYPE_INTERFACE, /* bDescriptorType: Interface */ + /* Interface descriptor type */ + 0x00, /* bInterfaceNumber: Number of Interface */ + 0x00, /* bAlternateSetting: Alternate setting */ + 0x01, /* bNumEndpoints: One endpoint used */ + 0x02, /* bInterfaceClass: Communication Interface Class */ + 0x02, /* bInterfaceSubClass: Abstract Control Model */ + 0x01, /* bInterfaceProtocol: Common AT commands */ + 0x00, /* iInterface */ + + /* Header Functional Descriptor */ + 0x05, /* bLength: Endpoint Descriptor size */ + 0x24, /* bDescriptorType: CS_INTERFACE */ + 0x00, /* bDescriptorSubtype: Header Func Desc */ + 0x10, /* bcdCDC: spec release number */ + 0x01, + + /* Call Management Functional Descriptor */ + 0x05, /* bFunctionLength */ + 0x24, /* bDescriptorType: CS_INTERFACE */ + 0x01, /* bDescriptorSubtype: Call Management Func Desc */ + 0x00, /* bmCapabilities: D0+D1 */ + 0x01, /* bDataInterface */ + + /* ACM Functional Descriptor */ + 0x04, /* bFunctionLength */ + 0x24, /* bDescriptorType: CS_INTERFACE */ + 0x02, /* bDescriptorSubtype: Abstract Control Management desc */ + 0x02, /* bmCapabilities */ + + /* Union Functional Descriptor */ + 0x05, /* bFunctionLength */ + 0x24, /* bDescriptorType: CS_INTERFACE */ + 0x06, /* bDescriptorSubtype: Union func desc */ + 0x00, /* bMasterInterface: Communication class interface */ + 0x01, /* bSlaveInterface0: Data Class Interface */ + + /* Endpoint 2 Descriptor */ + 0x07, /* bLength: Endpoint Descriptor size */ + USB_DESC_TYPE_ENDPOINT, /* bDescriptorType: Endpoint */ + CDC_CMD_EP, /* bEndpointAddress */ + 0x03, /* bmAttributes: Interrupt */ + LOBYTE(CDC_CMD_PACKET_SIZE), /* wMaxPacketSize */ + HIBYTE(CDC_CMD_PACKET_SIZE), + CDC_FS_BINTERVAL, /* bInterval */ + /*---------------------------------------------------------------------------*/ + + /* Data class interface descriptor */ + 0x09, /* bLength: Endpoint Descriptor size */ + USB_DESC_TYPE_INTERFACE, /* bDescriptorType: */ + 0x01, /* bInterfaceNumber: Number of Interface */ + 0x00, /* bAlternateSetting: Alternate setting */ + 0x02, /* bNumEndpoints: Two endpoints used */ + 0x0A, /* bInterfaceClass: CDC */ + 0x00, /* bInterfaceSubClass */ + 0x00, /* bInterfaceProtocol */ + 0x00, /* iInterface */ + + /* Endpoint OUT Descriptor */ + 0x07, /* bLength: Endpoint Descriptor size */ + USB_DESC_TYPE_ENDPOINT, /* bDescriptorType: Endpoint */ + CDC_OUT_EP, /* bEndpointAddress */ + 0x02, /* bmAttributes: Bulk */ + LOBYTE(CDC_DATA_FS_MAX_PACKET_SIZE), /* wMaxPacketSize */ + HIBYTE(CDC_DATA_FS_MAX_PACKET_SIZE), + 0x00, /* bInterval */ + + /* Endpoint IN Descriptor */ + 0x07, /* bLength: Endpoint Descriptor size */ + USB_DESC_TYPE_ENDPOINT, /* bDescriptorType: Endpoint */ + CDC_IN_EP, /* bEndpointAddress */ + 0x02, /* bmAttributes: Bulk */ + LOBYTE(CDC_DATA_FS_MAX_PACKET_SIZE), /* wMaxPacketSize */ + HIBYTE(CDC_DATA_FS_MAX_PACKET_SIZE), + 0x00 /* bInterval */ +}; +#endif /* USE_USBD_COMPOSITE */ + +static uint8_t CDCInEpAdd = CDC_IN_EP; +static uint8_t CDCOutEpAdd = CDC_OUT_EP; +static uint8_t CDCCmdEpAdd = CDC_CMD_EP; + +/** + * @} + */ + +/** @defgroup USBD_CDC_Private_Functions + * @{ + */ + +/** + * @brief USBD_CDC_Init + * Initialize the CDC interface + * @param pdev: device instance + * @param cfgidx: Configuration index + * @retval status + */ +static uint8_t USBD_CDC_Init(USBD_HandleTypeDef *pdev, uint8_t cfgidx) +{ + UNUSED(cfgidx); + USBD_CDC_HandleTypeDef *hcdc; + + hcdc = (USBD_CDC_HandleTypeDef *)USBD_malloc(sizeof(USBD_CDC_HandleTypeDef)); + + if (hcdc == NULL) + { + pdev->pClassDataCmsit[pdev->classId] = NULL; + return (uint8_t)USBD_EMEM; + } + + (void)USBD_memset(hcdc, 0, sizeof(USBD_CDC_HandleTypeDef)); + + pdev->pClassDataCmsit[pdev->classId] = (void *)hcdc; + pdev->pClassData = pdev->pClassDataCmsit[pdev->classId]; + +#ifdef USE_USBD_COMPOSITE + /* Get the Endpoints addresses allocated for this class instance */ + CDCInEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_IN, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId); + CDCOutEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_OUT, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId); + CDCCmdEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_IN, USBD_EP_TYPE_INTR, (uint8_t)pdev->classId); +#endif /* USE_USBD_COMPOSITE */ + + if (pdev->dev_speed == USBD_SPEED_HIGH) + { + /* Open EP IN */ + (void)USBD_LL_OpenEP(pdev, CDCInEpAdd, USBD_EP_TYPE_BULK, + CDC_DATA_HS_IN_PACKET_SIZE); + + pdev->ep_in[CDCInEpAdd & 0xFU].is_used = 1U; + + /* Open EP OUT */ + (void)USBD_LL_OpenEP(pdev, CDCOutEpAdd, USBD_EP_TYPE_BULK, + CDC_DATA_HS_OUT_PACKET_SIZE); + + pdev->ep_out[CDCOutEpAdd & 0xFU].is_used = 1U; + + /* Set bInterval for CDC CMD Endpoint */ + pdev->ep_in[CDCCmdEpAdd & 0xFU].bInterval = CDC_HS_BINTERVAL; + } + else + { + /* Open EP IN */ + (void)USBD_LL_OpenEP(pdev, CDCInEpAdd, USBD_EP_TYPE_BULK, + CDC_DATA_FS_IN_PACKET_SIZE); + + pdev->ep_in[CDCInEpAdd & 0xFU].is_used = 1U; + + /* Open EP OUT */ + (void)USBD_LL_OpenEP(pdev, CDCOutEpAdd, USBD_EP_TYPE_BULK, + CDC_DATA_FS_OUT_PACKET_SIZE); + + pdev->ep_out[CDCOutEpAdd & 0xFU].is_used = 1U; + + /* Set bInterval for CMD Endpoint */ + pdev->ep_in[CDCCmdEpAdd & 0xFU].bInterval = CDC_FS_BINTERVAL; + } + + /* Open Command IN EP */ + (void)USBD_LL_OpenEP(pdev, CDCCmdEpAdd, USBD_EP_TYPE_INTR, CDC_CMD_PACKET_SIZE); + pdev->ep_in[CDCCmdEpAdd & 0xFU].is_used = 1U; + + hcdc->RxBuffer = NULL; + + /* Init physical Interface components */ + ((USBD_CDC_ItfTypeDef *)pdev->pUserData[pdev->classId])->Init(); + + /* Init Xfer states */ + hcdc->TxState = 0U; + hcdc->RxState = 0U; + + if (hcdc->RxBuffer == NULL) + { + return (uint8_t)USBD_EMEM; + } + + if (pdev->dev_speed == USBD_SPEED_HIGH) + { + /* Prepare Out endpoint to receive next packet */ + (void)USBD_LL_PrepareReceive(pdev, CDCOutEpAdd, hcdc->RxBuffer, + CDC_DATA_HS_OUT_PACKET_SIZE); + } + else + { + /* Prepare Out endpoint to receive next packet */ + (void)USBD_LL_PrepareReceive(pdev, CDCOutEpAdd, hcdc->RxBuffer, + CDC_DATA_FS_OUT_PACKET_SIZE); + } + + return (uint8_t)USBD_OK; +} + +/** + * @brief USBD_CDC_Init + * DeInitialize the CDC layer + * @param pdev: device instance + * @param cfgidx: Configuration index + * @retval status + */ +static uint8_t USBD_CDC_DeInit(USBD_HandleTypeDef *pdev, uint8_t cfgidx) +{ + UNUSED(cfgidx); + + +#ifdef USE_USBD_COMPOSITE + /* Get the Endpoints addresses allocated for this CDC class instance */ + CDCInEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_IN, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId); + CDCOutEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_OUT, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId); + CDCCmdEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_IN, USBD_EP_TYPE_INTR, (uint8_t)pdev->classId); +#endif /* USE_USBD_COMPOSITE */ + + /* Close EP IN */ + (void)USBD_LL_CloseEP(pdev, CDCInEpAdd); + pdev->ep_in[CDCInEpAdd & 0xFU].is_used = 0U; + + /* Close EP OUT */ + (void)USBD_LL_CloseEP(pdev, CDCOutEpAdd); + pdev->ep_out[CDCOutEpAdd & 0xFU].is_used = 0U; + + /* Close Command IN EP */ + (void)USBD_LL_CloseEP(pdev, CDCCmdEpAdd); + pdev->ep_in[CDCCmdEpAdd & 0xFU].is_used = 0U; + pdev->ep_in[CDCCmdEpAdd & 0xFU].bInterval = 0U; + + /* DeInit physical Interface components */ + if (pdev->pClassDataCmsit[pdev->classId] != NULL) + { + ((USBD_CDC_ItfTypeDef *)pdev->pUserData[pdev->classId])->DeInit(); + (void)USBD_free(pdev->pClassDataCmsit[pdev->classId]); + pdev->pClassDataCmsit[pdev->classId] = NULL; + pdev->pClassData = NULL; + } + + return (uint8_t)USBD_OK; +} + +/** + * @brief USBD_CDC_Setup + * Handle the CDC specific requests + * @param pdev: instance + * @param req: usb requests + * @retval status + */ +static uint8_t USBD_CDC_Setup(USBD_HandleTypeDef *pdev, + USBD_SetupReqTypedef *req) +{ + USBD_CDC_HandleTypeDef *hcdc = (USBD_CDC_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; + uint16_t len; + uint8_t ifalt = 0U; + uint16_t status_info = 0U; + USBD_StatusTypeDef ret = USBD_OK; + + if (hcdc == NULL) + { + return (uint8_t)USBD_FAIL; + } + + switch (req->bmRequest & USB_REQ_TYPE_MASK) + { + case USB_REQ_TYPE_CLASS: + if (req->wLength != 0U) + { + if ((req->bmRequest & 0x80U) != 0U) + { + ((USBD_CDC_ItfTypeDef *)pdev->pUserData[pdev->classId])->Control(req->bRequest, + (uint8_t *)hcdc->data, + req->wLength); + + len = MIN(CDC_REQ_MAX_DATA_SIZE, req->wLength); + (void)USBD_CtlSendData(pdev, (uint8_t *)hcdc->data, len); + } + else + { + hcdc->CmdOpCode = req->bRequest; + hcdc->CmdLength = (uint8_t)MIN(req->wLength, USB_MAX_EP0_SIZE); + + (void)USBD_CtlPrepareRx(pdev, (uint8_t *)hcdc->data, hcdc->CmdLength); + } + } + else + { + ((USBD_CDC_ItfTypeDef *)pdev->pUserData[pdev->classId])->Control(req->bRequest, + (uint8_t *)req, 0U); + } + break; + + case USB_REQ_TYPE_STANDARD: + switch (req->bRequest) + { + case USB_REQ_GET_STATUS: + if (pdev->dev_state == USBD_STATE_CONFIGURED) + { + (void)USBD_CtlSendData(pdev, (uint8_t *)&status_info, 2U); + } + else + { + USBD_CtlError(pdev, req); + ret = USBD_FAIL; + } + break; + + case USB_REQ_GET_INTERFACE: + if (pdev->dev_state == USBD_STATE_CONFIGURED) + { + (void)USBD_CtlSendData(pdev, &ifalt, 1U); + } + else + { + USBD_CtlError(pdev, req); + ret = USBD_FAIL; + } + break; + + case USB_REQ_SET_INTERFACE: + if (pdev->dev_state != USBD_STATE_CONFIGURED) + { + USBD_CtlError(pdev, req); + ret = USBD_FAIL; + } + break; + + case USB_REQ_CLEAR_FEATURE: + break; + + default: + USBD_CtlError(pdev, req); + ret = USBD_FAIL; + break; + } + break; + + default: + USBD_CtlError(pdev, req); + ret = USBD_FAIL; + break; + } + + return (uint8_t)ret; +} + +/** + * @brief USBD_CDC_DataIn + * Data sent on non-control IN endpoint + * @param pdev: device instance + * @param epnum: endpoint number + * @retval status + */ +static uint8_t USBD_CDC_DataIn(USBD_HandleTypeDef *pdev, uint8_t epnum) +{ + USBD_CDC_HandleTypeDef *hcdc; + PCD_HandleTypeDef *hpcd = (PCD_HandleTypeDef *)pdev->pData; + + if (pdev->pClassDataCmsit[pdev->classId] == NULL) + { + return (uint8_t)USBD_FAIL; + } + + hcdc = (USBD_CDC_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; + + if ((pdev->ep_in[epnum & 0xFU].total_length > 0U) && + ((pdev->ep_in[epnum & 0xFU].total_length % hpcd->IN_ep[epnum & 0xFU].maxpacket) == 0U)) + { + /* Update the packet total length */ + pdev->ep_in[epnum & 0xFU].total_length = 0U; + + /* Send ZLP */ + (void)USBD_LL_Transmit(pdev, epnum, NULL, 0U); + } + else + { + hcdc->TxState = 0U; + + if (((USBD_CDC_ItfTypeDef *)pdev->pUserData[pdev->classId])->TransmitCplt != NULL) + { + ((USBD_CDC_ItfTypeDef *)pdev->pUserData[pdev->classId])->TransmitCplt(hcdc->TxBuffer, &hcdc->TxLength, epnum); + } + } + + return (uint8_t)USBD_OK; +} + +/** + * @brief USBD_CDC_DataOut + * Data received on non-control Out endpoint + * @param pdev: device instance + * @param epnum: endpoint number + * @retval status + */ +static uint8_t USBD_CDC_DataOut(USBD_HandleTypeDef *pdev, uint8_t epnum) +{ + USBD_CDC_HandleTypeDef *hcdc = (USBD_CDC_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; + + if (pdev->pClassDataCmsit[pdev->classId] == NULL) + { + return (uint8_t)USBD_FAIL; + } + + /* Get the received data length */ + hcdc->RxLength = USBD_LL_GetRxDataSize(pdev, epnum); + + /* USB data will be immediately processed, this allow next USB traffic being + NAKed till the end of the application Xfer */ + + ((USBD_CDC_ItfTypeDef *)pdev->pUserData[pdev->classId])->Receive(hcdc->RxBuffer, &hcdc->RxLength); + + return (uint8_t)USBD_OK; +} + +/** + * @brief USBD_CDC_EP0_RxReady + * Handle EP0 Rx Ready event + * @param pdev: device instance + * @retval status + */ +static uint8_t USBD_CDC_EP0_RxReady(USBD_HandleTypeDef *pdev) +{ + USBD_CDC_HandleTypeDef *hcdc = (USBD_CDC_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; + + if (hcdc == NULL) + { + return (uint8_t)USBD_FAIL; + } + + if ((pdev->pUserData[pdev->classId] != NULL) && (hcdc->CmdOpCode != 0xFFU)) + { + ((USBD_CDC_ItfTypeDef *)pdev->pUserData[pdev->classId])->Control(hcdc->CmdOpCode, + (uint8_t *)hcdc->data, + (uint16_t)hcdc->CmdLength); + hcdc->CmdOpCode = 0xFFU; + } + + return (uint8_t)USBD_OK; +} +#ifndef USE_USBD_COMPOSITE +/** + * @brief USBD_CDC_GetFSCfgDesc + * Return configuration descriptor + * @param length : pointer data length + * @retval pointer to descriptor buffer + */ +static uint8_t *USBD_CDC_GetFSCfgDesc(uint16_t *length) +{ + USBD_EpDescTypeDef *pEpCmdDesc = USBD_GetEpDesc(USBD_CDC_CfgDesc, CDC_CMD_EP); + USBD_EpDescTypeDef *pEpOutDesc = USBD_GetEpDesc(USBD_CDC_CfgDesc, CDC_OUT_EP); + USBD_EpDescTypeDef *pEpInDesc = USBD_GetEpDesc(USBD_CDC_CfgDesc, CDC_IN_EP); + + if (pEpCmdDesc != NULL) + { + pEpCmdDesc->bInterval = CDC_FS_BINTERVAL; + } + + if (pEpOutDesc != NULL) + { + pEpOutDesc->wMaxPacketSize = CDC_DATA_FS_MAX_PACKET_SIZE; + } + + if (pEpInDesc != NULL) + { + pEpInDesc->wMaxPacketSize = CDC_DATA_FS_MAX_PACKET_SIZE; + } + + *length = (uint16_t)sizeof(USBD_CDC_CfgDesc); + return USBD_CDC_CfgDesc; +} + +/** + * @brief USBD_CDC_GetHSCfgDesc + * Return configuration descriptor + * @param length : pointer data length + * @retval pointer to descriptor buffer + */ +static uint8_t *USBD_CDC_GetHSCfgDesc(uint16_t *length) +{ + USBD_EpDescTypeDef *pEpCmdDesc = USBD_GetEpDesc(USBD_CDC_CfgDesc, CDC_CMD_EP); + USBD_EpDescTypeDef *pEpOutDesc = USBD_GetEpDesc(USBD_CDC_CfgDesc, CDC_OUT_EP); + USBD_EpDescTypeDef *pEpInDesc = USBD_GetEpDesc(USBD_CDC_CfgDesc, CDC_IN_EP); + + if (pEpCmdDesc != NULL) + { + pEpCmdDesc->bInterval = CDC_HS_BINTERVAL; + } + + if (pEpOutDesc != NULL) + { + pEpOutDesc->wMaxPacketSize = CDC_DATA_HS_MAX_PACKET_SIZE; + } + + if (pEpInDesc != NULL) + { + pEpInDesc->wMaxPacketSize = CDC_DATA_HS_MAX_PACKET_SIZE; + } + + *length = (uint16_t)sizeof(USBD_CDC_CfgDesc); + return USBD_CDC_CfgDesc; +} + +/** + * @brief USBD_CDC_GetOtherSpeedCfgDesc + * Return configuration descriptor + * @param length : pointer data length + * @retval pointer to descriptor buffer + */ +static uint8_t *USBD_CDC_GetOtherSpeedCfgDesc(uint16_t *length) +{ + USBD_EpDescTypeDef *pEpCmdDesc = USBD_GetEpDesc(USBD_CDC_CfgDesc, CDC_CMD_EP); + USBD_EpDescTypeDef *pEpOutDesc = USBD_GetEpDesc(USBD_CDC_CfgDesc, CDC_OUT_EP); + USBD_EpDescTypeDef *pEpInDesc = USBD_GetEpDesc(USBD_CDC_CfgDesc, CDC_IN_EP); + + if (pEpCmdDesc != NULL) + { + pEpCmdDesc->bInterval = CDC_FS_BINTERVAL; + } + + if (pEpOutDesc != NULL) + { + pEpOutDesc->wMaxPacketSize = CDC_DATA_FS_MAX_PACKET_SIZE; + } + + if (pEpInDesc != NULL) + { + pEpInDesc->wMaxPacketSize = CDC_DATA_FS_MAX_PACKET_SIZE; + } + + *length = (uint16_t)sizeof(USBD_CDC_CfgDesc); + return USBD_CDC_CfgDesc; +} + +/** + * @brief USBD_CDC_GetDeviceQualifierDescriptor + * return Device Qualifier descriptor + * @param length : pointer data length + * @retval pointer to descriptor buffer + */ +uint8_t *USBD_CDC_GetDeviceQualifierDescriptor(uint16_t *length) +{ + *length = (uint16_t)sizeof(USBD_CDC_DeviceQualifierDesc); + + return USBD_CDC_DeviceQualifierDesc; +} +#endif /* USE_USBD_COMPOSITE */ +/** + * @brief USBD_CDC_RegisterInterface + * @param pdev: device instance + * @param fops: CD Interface callback + * @retval status + */ +uint8_t USBD_CDC_RegisterInterface(USBD_HandleTypeDef *pdev, + USBD_CDC_ItfTypeDef *fops) +{ + if (fops == NULL) + { + return (uint8_t)USBD_FAIL; + } + + pdev->pUserData[pdev->classId] = fops; + + return (uint8_t)USBD_OK; +} + + +/** + * @brief USBD_CDC_SetTxBuffer + * @param pdev: device instance + * @param pbuff: Tx Buffer + * @param length: length of data to be sent + * @param ClassId: The Class ID + * @retval status + */ +#ifdef USE_USBD_COMPOSITE +uint8_t USBD_CDC_SetTxBuffer(USBD_HandleTypeDef *pdev, + uint8_t *pbuff, uint32_t length, uint8_t ClassId) +{ + USBD_CDC_HandleTypeDef *hcdc = (USBD_CDC_HandleTypeDef *)pdev->pClassDataCmsit[ClassId]; +#else +uint8_t USBD_CDC_SetTxBuffer(USBD_HandleTypeDef *pdev, + uint8_t *pbuff, uint32_t length) +{ + USBD_CDC_HandleTypeDef *hcdc = (USBD_CDC_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; +#endif /* USE_USBD_COMPOSITE */ + + if (hcdc == NULL) + { + return (uint8_t)USBD_FAIL; + } + + hcdc->TxBuffer = pbuff; + hcdc->TxLength = length; + + return (uint8_t)USBD_OK; +} + +/** + * @brief USBD_CDC_SetRxBuffer + * @param pdev: device instance + * @param pbuff: Rx Buffer + * @retval status + */ +uint8_t USBD_CDC_SetRxBuffer(USBD_HandleTypeDef *pdev, uint8_t *pbuff) +{ + USBD_CDC_HandleTypeDef *hcdc = (USBD_CDC_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; + + if (hcdc == NULL) + { + return (uint8_t)USBD_FAIL; + } + + hcdc->RxBuffer = pbuff; + + return (uint8_t)USBD_OK; +} + + +/** + * @brief USBD_CDC_TransmitPacket + * Transmit packet on IN endpoint + * @param pdev: device instance + * @param ClassId: The Class ID + * @retval status + */ +#ifdef USE_USBD_COMPOSITE +uint8_t USBD_CDC_TransmitPacket(USBD_HandleTypeDef *pdev, uint8_t ClassId) +{ + USBD_CDC_HandleTypeDef *hcdc = (USBD_CDC_HandleTypeDef *)pdev->pClassDataCmsit[ClassId]; +#else +uint8_t USBD_CDC_TransmitPacket(USBD_HandleTypeDef *pdev) +{ + USBD_CDC_HandleTypeDef *hcdc = (USBD_CDC_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; +#endif /* USE_USBD_COMPOSITE */ + + USBD_StatusTypeDef ret = USBD_BUSY; + +#ifdef USE_USBD_COMPOSITE + /* Get the Endpoints addresses allocated for this class instance */ + CDCInEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_IN, USBD_EP_TYPE_BULK, ClassId); +#endif /* USE_USBD_COMPOSITE */ + + if (hcdc == NULL) + { + return (uint8_t)USBD_FAIL; + } + + if (hcdc->TxState == 0U) + { + /* Tx Transfer in progress */ + hcdc->TxState = 1U; + + /* Update the packet total length */ + pdev->ep_in[CDCInEpAdd & 0xFU].total_length = hcdc->TxLength; + + /* Transmit next packet */ + (void)USBD_LL_Transmit(pdev, CDCInEpAdd, hcdc->TxBuffer, hcdc->TxLength); + + ret = USBD_OK; + } + + return (uint8_t)ret; +} + +/** + * @brief USBD_CDC_ReceivePacket + * prepare OUT Endpoint for reception + * @param pdev: device instance + * @retval status + */ +uint8_t USBD_CDC_ReceivePacket(USBD_HandleTypeDef *pdev) +{ + USBD_CDC_HandleTypeDef *hcdc = (USBD_CDC_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; + +#ifdef USE_USBD_COMPOSITE + /* Get the Endpoints addresses allocated for this class instance */ + CDCOutEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_OUT, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId); +#endif /* USE_USBD_COMPOSITE */ + + if (pdev->pClassDataCmsit[pdev->classId] == NULL) + { + return (uint8_t)USBD_FAIL; + } + + if (pdev->dev_speed == USBD_SPEED_HIGH) + { + /* Prepare Out endpoint to receive next packet */ + (void)USBD_LL_PrepareReceive(pdev, CDCOutEpAdd, hcdc->RxBuffer, + CDC_DATA_HS_OUT_PACKET_SIZE); + } + else + { + /* Prepare Out endpoint to receive next packet */ + (void)USBD_LL_PrepareReceive(pdev, CDCOutEpAdd, hcdc->RxBuffer, + CDC_DATA_FS_OUT_PACKET_SIZE); + } + + return (uint8_t)USBD_OK; +} +/** + * @} + */ + +/** + * @} + */ + +/** + * @} + */ + diff --git a/Ganesha_II_V2/USB_DEVICE/App/usbd_cdc_if.c b/Ganesha_II_V2/USB_DEVICE/App/usbd_cdc_if.c new file mode 100644 index 0000000..2a87f66 --- /dev/null +++ b/Ganesha_II_V2/USB_DEVICE/App/usbd_cdc_if.c @@ -0,0 +1,330 @@ +/* USER CODE BEGIN Header */ +/** + ****************************************************************************** + * @file : usbd_cdc_if.c + * @version : v1.0_Cube + * @brief : Usb device for Virtual Com Port. + ****************************************************************************** + * @attention + * + * Copyright (c) 2026 STMicroelectronics. + * All rights reserved. + * + * This software is licensed under terms that can be found in the LICENSE file + * in the root directory of this software component. + * If no LICENSE file comes with this software, it is provided AS-IS. + * + ****************************************************************************** + */ +/* USER CODE END Header */ + +/* Includes ------------------------------------------------------------------*/ +#include "usbd_cdc_if.h" + +/* USER CODE BEGIN INCLUDE */ +#include "main.h" +/* USER CODE END INCLUDE */ + +/* Private typedef -----------------------------------------------------------*/ +/* Private define ------------------------------------------------------------*/ +/* Private macro -------------------------------------------------------------*/ + +/* USER CODE BEGIN PV */ +/* Private variables ---------------------------------------------------------*/ + +/* USER CODE END PV */ + +/** @addtogroup STM32_USB_OTG_DEVICE_LIBRARY + * @brief Usb device library. + * @{ + */ + +/** @addtogroup USBD_CDC_IF + * @{ + */ + +/** @defgroup USBD_CDC_IF_Private_TypesDefinitions USBD_CDC_IF_Private_TypesDefinitions + * @brief Private types. + * @{ + */ + +/* USER CODE BEGIN PRIVATE_TYPES */ + +/* USER CODE END PRIVATE_TYPES */ + +/** + * @} + */ + +/** @defgroup USBD_CDC_IF_Private_Defines USBD_CDC_IF_Private_Defines + * @brief Private defines. + * @{ + */ + +/* USER CODE BEGIN PRIVATE_DEFINES */ +/* USER CODE END PRIVATE_DEFINES */ + +/** + * @} + */ + +/** @defgroup USBD_CDC_IF_Private_Macros USBD_CDC_IF_Private_Macros + * @brief Private macros. + * @{ + */ + +/* USER CODE BEGIN PRIVATE_MACRO */ + +/* USER CODE END PRIVATE_MACRO */ + +/** + * @} + */ + +/** @defgroup USBD_CDC_IF_Private_Variables USBD_CDC_IF_Private_Variables + * @brief Private variables. + * @{ + */ +/* Create buffer for reception and transmission */ +/* It's up to user to redefine and/or remove those define */ +/** Received data over USB are stored in this buffer */ +uint8_t UserRxBufferFS[APP_RX_DATA_SIZE]; + +/** Data to send over USB CDC are stored in this buffer */ +uint8_t UserTxBufferFS[APP_TX_DATA_SIZE]; + +/* USER CODE BEGIN PRIVATE_VARIABLES */ + +/* USER CODE END PRIVATE_VARIABLES */ + +/** + * @} + */ + +/** @defgroup USBD_CDC_IF_Exported_Variables USBD_CDC_IF_Exported_Variables + * @brief Public variables. + * @{ + */ + +extern USBD_HandleTypeDef hUsbDeviceFS; + +/* USER CODE BEGIN EXPORTED_VARIABLES */ + +/* USER CODE END EXPORTED_VARIABLES */ + +/** + * @} + */ + +/** @defgroup USBD_CDC_IF_Private_FunctionPrototypes USBD_CDC_IF_Private_FunctionPrototypes + * @brief Private functions declaration. + * @{ + */ + +static int8_t CDC_Init_FS(void); +static int8_t CDC_DeInit_FS(void); +static int8_t CDC_Control_FS(uint8_t cmd, uint8_t* pbuf, uint16_t length); +static int8_t CDC_Receive_FS(uint8_t* pbuf, uint32_t *Len); +static int8_t CDC_TransmitCplt_FS(uint8_t *pbuf, uint32_t *Len, uint8_t epnum); + +/* USER CODE BEGIN PRIVATE_FUNCTIONS_DECLARATION */ + +/* USER CODE END PRIVATE_FUNCTIONS_DECLARATION */ + +/** + * @} + */ + +USBD_CDC_ItfTypeDef USBD_Interface_fops_FS = +{ + CDC_Init_FS, + CDC_DeInit_FS, + CDC_Control_FS, + CDC_Receive_FS, + CDC_TransmitCplt_FS +}; + +/* Private functions ---------------------------------------------------------*/ +/** + * @brief Initializes the CDC media low layer over the FS USB IP + * @retval USBD_OK if all operations are OK else USBD_FAIL + */ +static int8_t CDC_Init_FS(void) +{ + /* USER CODE BEGIN 3 */ + /* Set Application Buffers */ + USBD_CDC_SetTxBuffer(&hUsbDeviceFS, UserTxBufferFS, 0); + USBD_CDC_SetRxBuffer(&hUsbDeviceFS, UserRxBufferFS); + return (USBD_OK); + /* USER CODE END 3 */ +} + +/** + * @brief DeInitializes the CDC media low layer + * @retval USBD_OK if all operations are OK else USBD_FAIL + */ +static int8_t CDC_DeInit_FS(void) +{ + /* USER CODE BEGIN 4 */ + return (USBD_OK); + /* USER CODE END 4 */ +} + +/** + * @brief Manage the CDC class requests + * @param cmd: Command code + * @param pbuf: Buffer containing command data (request parameters) + * @param length: Number of data to be sent (in bytes) + * @retval Result of the operation: USBD_OK if all operations are OK else USBD_FAIL + */ +static int8_t CDC_Control_FS(uint8_t cmd, uint8_t* pbuf, uint16_t length) +{ + /* USER CODE BEGIN 5 */ + switch(cmd) + { + case CDC_SEND_ENCAPSULATED_COMMAND: + + break; + + case CDC_GET_ENCAPSULATED_RESPONSE: + + break; + + case CDC_SET_COMM_FEATURE: + + break; + + case CDC_GET_COMM_FEATURE: + + break; + + case CDC_CLEAR_COMM_FEATURE: + + break; + + /*******************************************************************************/ + /* Line Coding Structure */ + /*-----------------------------------------------------------------------------*/ + /* Offset | Field | Size | Value | Description */ + /* 0 | dwDTERate | 4 | Number |Data terminal rate, in bits per second*/ + /* 4 | bCharFormat | 1 | Number | Stop bits */ + /* 0 - 1 Stop bit */ + /* 1 - 1.5 Stop bits */ + /* 2 - 2 Stop bits */ + /* 5 | bParityType | 1 | Number | Parity */ + /* 0 - None */ + /* 1 - Odd */ + /* 2 - Even */ + /* 3 - Mark */ + /* 4 - Space */ + /* 6 | bDataBits | 1 | Number Data bits (5, 6, 7, 8 or 16). */ + /*******************************************************************************/ + case CDC_SET_LINE_CODING: + + break; + + case CDC_GET_LINE_CODING: + + break; + + case CDC_SET_CONTROL_LINE_STATE: + + break; + + case CDC_SEND_BREAK: + + break; + + default: + break; + } + + return (USBD_OK); + /* USER CODE END 5 */ +} + +/** + * @brief Data received over USB OUT endpoint are sent over CDC interface + * through this function. + * + * @note + * This function will issue a NAK packet on any OUT packet received on + * USB endpoint until exiting this function. If you exit this function + * before transfer is complete on CDC interface (ie. using DMA controller) + * it will result in receiving more data while previous ones are still + * not sent. + * + * @param Buf: Buffer of data to be received + * @param Len: Number of data received (in bytes) + * @retval Result of the operation: USBD_OK if all operations are OK else USBD_FAIL + */ +static int8_t CDC_Receive_FS(uint8_t* Buf, uint32_t *Len) +{ + /* USER CODE BEGIN 6 */ + USBD_CDC_SetRxBuffer(&hUsbDeviceFS, &Buf[0]); + USBD_CDC_ReceivePacket(&hUsbDeviceFS); + handle_usb_cdc(UserRxBufferFS, *Len); + memset(UserRxBufferFS, '\0', *Len); + return (USBD_OK); + /* USER CODE END 6 */ +} + +/** + * @brief CDC_Transmit_FS + * Data to send over USB IN endpoint are sent over CDC interface + * through this function. + * @note + * + * + * @param Buf: Buffer of data to be sent + * @param Len: Number of data to be sent (in bytes) + * @retval USBD_OK if all operations are OK else USBD_FAIL or USBD_BUSY + */ +uint8_t CDC_Transmit_FS(uint8_t* Buf, uint16_t Len) +{ + uint8_t result = USBD_OK; + /* USER CODE BEGIN 7 */ + USBD_CDC_HandleTypeDef *hcdc = (USBD_CDC_HandleTypeDef*)hUsbDeviceFS.pClassData; + if (hcdc->TxState != 0){ + return USBD_BUSY; + } + USBD_CDC_SetTxBuffer(&hUsbDeviceFS, Buf, Len); + result = USBD_CDC_TransmitPacket(&hUsbDeviceFS); + /* USER CODE END 7 */ + return result; +} + +/** + * @brief CDC_TransmitCplt_FS + * Data transmitted callback + * + * @note + * This function is IN transfer complete callback used to inform user that + * the submitted Data is successfully sent over USB. + * + * @param Buf: Buffer of data to be received + * @param Len: Number of data received (in bytes) + * @retval Result of the operation: USBD_OK if all operations are OK else USBD_FAIL + */ +static int8_t CDC_TransmitCplt_FS(uint8_t *Buf, uint32_t *Len, uint8_t epnum) +{ + uint8_t result = USBD_OK; + /* USER CODE BEGIN 13 */ + UNUSED(Buf); + UNUSED(Len); + UNUSED(epnum); + /* USER CODE END 13 */ + return result; +} + +/* USER CODE BEGIN PRIVATE_FUNCTIONS_IMPLEMENTATION */ + +/* USER CODE END PRIVATE_FUNCTIONS_IMPLEMENTATION */ + +/** + * @} + */ + +/** + * @} + */ diff --git a/Ganesha_II_V2/USB_DEVICE/App/usbd_cdc_if.h b/Ganesha_II_V2/USB_DEVICE/App/usbd_cdc_if.h new file mode 100644 index 0000000..b8ca58d --- /dev/null +++ b/Ganesha_II_V2/USB_DEVICE/App/usbd_cdc_if.h @@ -0,0 +1,132 @@ +/* USER CODE BEGIN Header */ +/** + ****************************************************************************** + * @file : usbd_cdc_if.h + * @version : v1.0_Cube + * @brief : Header for usbd_cdc_if.c file. + ****************************************************************************** + * @attention + * + * Copyright (c) 2026 STMicroelectronics. + * All rights reserved. + * + * This software is licensed under terms that can be found in the LICENSE file + * in the root directory of this software component. + * If no LICENSE file comes with this software, it is provided AS-IS. + * + ****************************************************************************** + */ +/* USER CODE END Header */ + +/* Define to prevent recursive inclusion -------------------------------------*/ + +#ifndef __USBD_CDC_IF_H__ +#define __USBD_CDC_IF_H__ + +#ifdef __cplusplus + extern "C" { +#endif + +/* Includes ------------------------------------------------------------------*/ +#include "usbd_cdc.h" + +/* USER CODE BEGIN INCLUDE */ + +/* USER CODE END INCLUDE */ + +/** @addtogroup STM32_USB_OTG_DEVICE_LIBRARY + * @brief For Usb device. + * @{ + */ + +/** @defgroup USBD_CDC_IF USBD_CDC_IF + * @brief Usb VCP device module + * @{ + */ + +/** @defgroup USBD_CDC_IF_Exported_Defines USBD_CDC_IF_Exported_Defines + * @brief Defines. + * @{ + */ +/* Define size for the receive and transmit buffer over CDC */ +#define APP_RX_DATA_SIZE 2048 +#define APP_TX_DATA_SIZE 2048 +/* USER CODE BEGIN EXPORTED_DEFINES */ + +/* USER CODE END EXPORTED_DEFINES */ + +/** + * @} + */ + +/** @defgroup USBD_CDC_IF_Exported_Types USBD_CDC_IF_Exported_Types + * @brief Types. + * @{ + */ + +/* USER CODE BEGIN EXPORTED_TYPES */ + +/* USER CODE END EXPORTED_TYPES */ + +/** + * @} + */ + +/** @defgroup USBD_CDC_IF_Exported_Macros USBD_CDC_IF_Exported_Macros + * @brief Aliases. + * @{ + */ + +/* USER CODE BEGIN EXPORTED_MACRO */ + +/* USER CODE END EXPORTED_MACRO */ + +/** + * @} + */ + +/** @defgroup USBD_CDC_IF_Exported_Variables USBD_CDC_IF_Exported_Variables + * @brief Public variables. + * @{ + */ + +/** CDC Interface callback. */ +extern USBD_CDC_ItfTypeDef USBD_Interface_fops_FS; + +/* USER CODE BEGIN EXPORTED_VARIABLES */ + +/* USER CODE END EXPORTED_VARIABLES */ + +/** + * @} + */ + +/** @defgroup USBD_CDC_IF_Exported_FunctionsPrototype USBD_CDC_IF_Exported_FunctionsPrototype + * @brief Public functions declaration. + * @{ + */ + +uint8_t CDC_Transmit_FS(uint8_t* Buf, uint16_t Len); + +/* USER CODE BEGIN EXPORTED_FUNCTIONS */ + +/* USER CODE END EXPORTED_FUNCTIONS */ + +/** + * @} + */ + +/** + * @} + */ + +/** + * @} + */ + +#ifdef __cplusplus +} +#endif + +#endif /* __USBD_CDC_IF_H__ */ +