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pdlsurya/README.md

Hi, I'm Surya

Embedded software developer focused on RTOS-based applications, device drivers, BLE, wireless communication, and wireless sensor network systems.

RTOS BLE IoT Wireless Sensor Networks C C++ Zephyr FreeRTOS ESP32 STM32 nRF52 Raspberry Pi Pico RISC-V

About Me

  • Embedded software developer working on applications built around RTOS-based systems, device drivers, BLE, and wireless communication.
  • Experienced in IoT devices and wireless sensor network style applications, with hands-on work across SPI, I2C, UART, displays, radios, and other embedded peripherals.
  • I build lower-level projects such as an RTOS, a custom BLE stack, and a bare-metal SDK to strengthen my understanding of system internals and improve the way I design application-layer firmware.
  • Interested in practical embedded systems where application logic, communication behavior, and hardware interaction are designed cohesively.

Project Portfolio

SanoRTOS

A lightweight RTOS project built to explore task scheduling, synchronization primitives, and core kernel behavior.

Focus: RTOS internals, task scheduling, kernel objects, synchronization primitives, inter-task communication

esp32-rv-bare-metal-sdk

A bare-metal SDK for ESP32 RISC-V targets created to better understand low-level platform support, startup flow, and driver integration.

Focus: bring-up, platform code, low-level firmware

ZephyrRTOS-OOT

Out-of-tree Zephyr module containing custom drivers, subsystems, and board-level demos for practical application development.

Focus: Zephyr integration, drivers, subsystem design

stm32f4-sd-bootloader

STM32F4 bootloader that loads firmware from SD card using Intel HEX parsing and flash update logic.

Focus: boot flow, flash programming, firmware update paths

nrf-ble-stack

A custom BLE stack project used to explore link-layer behavior, protocol flow, and low-level wireless communication on Nordic hardware.

Focus: BLE, wireless communication, protocol design

sdFat32

An embedded FAT32 project built to better understand low-level storage behavior and practical SD card file handling.

Focus: embedded storage, FAT32 internals, SD card access

Technical Interests

  • RTOS-based embedded applications and firmware architecture
  • Device driver development and peripheral integration
  • Bluetooth Low Energy and custom wireless communication stacks
  • IoT devices, wireless sensor networks, and connected edge systems
  • Bare-metal system internals, bring-up, and platform understanding

Current Focus

  • RTOS-based application development for embedded and connected devices
  • BLE, wireless communication, and sensor-node oriented systems
  • Reusable driver and subsystem design for practical firmware projects
  • Continuing lower-level exploration through RTOS, BLE stack, and bare-metal SDK work

Popular repositories Loading

  1. esp32-riscv-bare-metal-sdk esp32-riscv-bare-metal-sdk Public

    Minimal bare metal sdk for ESP32 RISC-V microcontrollers.

    C 24 2

  2. sanoRTOS sanoRTOS Public

    Minimal RTOS implementation for ARM Cortex-M and RISC-V Microcontrollers.

    C 12

  3. nrf-ble-stack nrf-ble-stack Public

    Minimal Bluetooth Low Energy(BLE) stack for nRF52 series SoCs

    C 2

  4. stm32f4-sd-bootloader stm32f4-sd-bootloader Public

    A minimal STM32F4 bootloader that reads Intel HEX file from SD/microSD card and updates the application firmware.

    C 1

  5. ZephyrRTOS-OOT ZephyrRTOS-OOT Public

    Out of Tree(OOT) drivers, subsystems, and application samples for ZephyrRTOS.

    C

  6. sdFat32 sdFat32 Public

    A lightweight FAT32 library for SD card access using SPI mode.

    C