MMCU=atmega32u4
MMCU_DUDE=m32u4

.PHONY: all clean

all: flash

compile:
	avr-gcc -g -O1 -mmcu=$(MMCU) -c led.c

link: compile
	avr-gcc -g -mmcu=$(MMCU) -o led.elf led.o

assemble: link
	avr-objcopy -j .text -j .data -O ihex led.elf led.hex

flash: assemble
	avrdude -p $(MMCU_DUDE) -c stk500 -P /dev/cu.usbserial-114230 -U flash:w:led.hex:i

clean:
	rm *.o
	rm *.elf
	rm *.hex