CPPFLAGS=-I. -I../lib
MCU=atmega168p
VPATH=../lib
all: exercise1.hex

exercise1.elf: exercise1.o  

%.o: %.c
	avr-gcc ${CPPFLAGS} -Os -mmcu=${MCU} -o $@ -c $^

%.elf: %.o
	avr-gcc -Os -mmcu=${MCU} -o $@ $^

%.hex: %.elf
	avr-objcopy -j .text -j .data -O ihex $^ $@

%.lst: %.elf
	avr-objdump -h -S $^ > $@

clean:
	rm -f *.o *.elf *.hex *.lst


program: exercise1.hex
	avrdude -p m168p -P /dev/ttyUSB0 -c avrusb500 -e -U flash:w:$^

fuses:
	avrdude -p m168p -P /dev/ttyUSB0 -c avrusb500 -e -U hfuse:w:0xDF:m
	avrdude -p m168p -P /dev/ttyUSB0 -c avrusb500 -e -U lfuse:w:0x62:m