PROG = main

MCU = atmega328p

CC = avr-gcc
CFLAGS += -mmcu=$(MCU)
CFLAGS += -DF_CPU=16000000UL
CFLAGS += -Os
CFLAGS += -w

LDFLAGS += -mmcu=$(MCU)

AVDFLAGS += -p m328p
AVDFLAGS += -c arduino
AVDFLAGS += -b 115200
AVDFLAGS += -P /dev/ttyACM0


upload: .upload

.upload: $(PROG).hex
	avrdude $(AVDFLAGS) -U flash:w:$<
	touch $@

$(PROG).hex: $(PROG)
	avr-objcopy -O ihex -R .eeprom -R .fuse -R .lock -R .signature $< $@

main: main.o avr.o

#main.o: avr.h
#avr.o: avr.h

clean:
	rm -f $(PROG) *.o *.hex .upload