CC=avr-gcc
CFLAGS=-Os -DF_CPU=16000000UL -mmcu=atmega2560

all: blink.out

USBPORT:=/dev/ttyACM0

%.out: %.c
	$(CC) $(CFLAGS) $< -o $@

%.hex: %.out
	avr-objcopy -O ihex -R .eeprom $< $@

install.%: %.hex
	avrdude -F -V -c arduino -C /etc/avrdude.conf -p ATmega2560 -P $(USBPORT) -b 57600 -U flash:w:$< -vvvv

clean:
	rm -f *.hex *.out