file_name = hello.HC-SR501

device  = attiny45
F_CPU   = 8000000

object:
	 avr-gcc -g -Os -mmcu=$(device) -c $(file_name).c

link:
	 avr-gcc -g -mmcu=$(device) -o $(file_name).elf $(file_name).o

hexfile:
	 avr-objcopy -j .text -j .data -O ihex $(file_name).elf $(file_name).hex


hex: object link hexfile