Makefile_AVR

# Makefile for AVR projects

# MCU, F_CPU, and other settings
MCU = atmega2560
F_CPU = 16000000UL
BAUD_RATE = 115200
BAUD_PRESCALE = F_CPU / (16 * BAUD_RATE) - 1

# Source files
SRC = avr.c

# Compiler and linker settings
CC = avr-gcc
OBJCOPY = avr-objcopy
AVRDUDE = avrdude

CFLAGS = -Wall -Os -mmcu=$(MCU) -DF_CPU=$(F_CPU) -DBAUD=$(BAUD_RATE)

# Name for the output files
TARGET = avr
HEX_FILE = $(TARGET).hex

# Port and programmer settings for AVRDUDE
PORT = /dev/ttyACM1
PROGRAMMER = wiring

all: $(HEX_FILE)

$(HEX_FILE): $(TARGET).elf
	$(OBJCOPY) -j .text -j .data -O ihex $< $@

$(TARGET).elf: $(SRC)
	$(CC) -Wno-cpp $(CFLAGS) -o $@ $^

flash: $(HEX_FILE)
	$(AVRDUDE) -D -c $(PROGRAMMER) -p $(MCU) -P $(PORT) -b $(BAUD_RATE) -U flash:w:$(HEX_FILE)

clean:
	rm -f $(TARGET).elf $(HEX_FILE)

.PHONY: all flash clean