BOARD = adafruit:avr:leonardo
PORT = /dev/ttyACM0

SRC := main.c

CC = avr-gcc

INCLUDE := /usr/avr
CFLAGS := -mmcu=atmega32u4 -DF_CPU=16000000UL -I$(INCLUDE)

all:
	$(CC) $(CFLAGS) -Os $(SRC) -o main.elf
	avr-objcopy -O ihex main.elf main.hex

upload: all
	sudo avrdude -p atmega32u4 -c avr109 -P /dev/ttyACM0 -U flash:w:main.hex