CFLAGS = -O3 -Wall --std=c11
CHIP = 328p
SOURCE_FILES = $(wildcard *.c)
OBJ_FILES = $(SOURCE_FILES:%.c=%.o)
BIN = led-driver.bin
HEX = led-driver.hex

default: $(HEX)

%.o: %.c
	avr-gcc $(CFLAGS) -mmcu=atmega$(CHIP) -o $@ $<
	 
$(BIN): $(OBJ_FILES)
	avr-gcc $(CFLAGS) -o $@ $^
	
$(HEX): $(BIN)
	avr-objcopy -O ihex -j .text -j .data $^ $@

flash: $(HEX)
	avrdude -p m$(CHIP) -c arduino -B 115200 -P /dev/ttyACM0 -v -v -e flash:w:$(HEX):a

clean:
	$(RM) $(OBJ_FILES) $(BIN) $(HEX)