MCU=atmega328p CFLAGS=-g -Wall -mcall-prologues -mmcu=$(MCU) -Os -DF_CPU=16000000 LDFLAGS=-Wl,-gc-sections -Wl,-relax CC=avr-gcc TARGET=main OBJECT_FILES=main.o all: $(TARGET).hex clean: rm -f *.o *.hex *.obj *.hex %.hex: %.obj avr-objcopy -R .eeprom -O ihex $< $@ %.obj: $(OBJECT_FILES) $(CC) $(CFLAGS) $(OBJECT_FILES) $(LDFLAGS) -o $@ program: $(TARGET).hex avrdude -p $(MCU) -P /dev/ttyUSB1 -c arduino -b 57600 -U flash:w:$(TARGET).hex