makefile

# List all source files to be compiled; separate with space
SOURCE_FILES := main.c drivers/uart.c drivers/xmem.c utils.c drivers/timer.c drivers/adc.c drivers/io.c drivers/spi.c fonts.c drivers/menu.c drivers/can.c drivers/controller.c

# Set this flag to "yes" (no quotes) to use JTAG; otherwise ISP (SPI) is used
PROGRAM_WITH_JTAG := yes

# Feel free to ignore anything below this line
PROGRAMMER := atmelice_isp
ifeq ($(PROGRAM_WITH_JTAG), yes)
	PROGRAMMER := atmelice
endif

BUILD_DIR := build
TARGET_CPU := atmega162
TARGET_DEVICE := m162

CLOCK := 4915200 # Default clock speed at lab - can 
                 # be overwritten by passing flag 
                 # CLOCK=<speed> to make command

LOG := LOG_LEVEL_CRITICAL # Log level

CC := avr-gcc
CFLAGS := -Iinclude -O -std=c11 -mmcu=$(TARGET_CPU) -ggdb -DF_CPU=$(CLOCK) -DLOG_LEVEL=${LOG}

OBJECT_FILES = $(SOURCE_FILES:%.c=$(BUILD_DIR)/%.o)

.DEFAULT_GOAL := $(BUILD_DIR)/main.hex

$(BUILD_DIR):
	mkdir $(BUILD_DIR)

$(BUILD_DIR)/%.o: %.c
	@mkdir -p $(dir $@)
	$(CC) $(CFLAGS) -c $< -o $@

$(BUILD_DIR)/a.out: $(OBJECT_FILES) | $(BUILD_DIR)
	$(CC) $(CFLAGS) $(OBJECT_FILES) -o $(BUILD_DIR)/a.out

$(BUILD_DIR)/main.hex: $(BUILD_DIR)/a.out
	avr-objcopy -j .text -j .data -O ihex $(BUILD_DIR)/a.out $(BUILD_DIR)/main.hex

.PHONY: flash
flash: $(BUILD_DIR)/main.hex
	avrdude -p $(TARGET_DEVICE) -c $(PROGRAMMER) -U flash:w:$(BUILD_DIR)/main.hex:i
	@avr-size -C -x --mcu=$(TARGET_CPU) $(BUILD_DIR)/a.out

.PHONY: ram
ram: $(BUILD_DIR)/a.out
	@avr-size -C -x --mcu=$(TARGET_CPU) $(BUILD_DIR)/a.out

.PHONY: clean
clean:
	@rm -rf $(BUILD_DIR)

.PHONY: erase
erase:
	avrdude -p $(TARGET_DEVICE) -c $(PROGRAMMER) -e

.PHONY: compiledb
compiledb:
	@bear -- make
	
.PHONY: debug
debug:
	if pgrep avarice; then pkill avarice; fi
	avrdude -p $(TARGET_DEVICE) -c $(PROGRAMMER) -U flash:w:$(BUILD_DIR)/main.hex:i
	x-terminal-emulator -e avarice --edbg --ignore-intr :4242
	sleep 2
	avr-gdb -tui -iex "target remote localhost:4242" $(BUILD_DIR)/a.out
	killall -s 9 avarice