model=attiny85
BIN=t85flicker
DEVICE =t85
PROGRAMMER =usbasp
#all: comp
${BIN}.hex : ${BIN}.elf
	avr-objcopy -j .text -j .data -O ihex ${BIN}.elf ${BIN}.hex
${BIN}.elf : ${BIN}.o
	avr-gcc -g -mmcu=${model} -o ${BIN}.elf ${BIN}.o
	avr-size -B ${BIN}.elf
${BIN}.o : ${BIN}.c
	avr-gcc -g -Os -mmcu=${model} -c ${BIN}.c
#comp: ${BIN}.c
#	avr-gcc -g -Os -mmcu=${model} -c ${BIN}.c
#	avr-gcc -g -mmcu=${model} -o ${BIN}.elf ${BIN}.o
#	avr-size -B ${BIN}.elf
#	avr-objcopy -j .text -j .data -O ihex ${BIN}.elf ${BIN}.hex

upload:
	avrdude -p $(DEVICE) -c $(PROGRAMMER) -e -U flash:w:$(BIN).hex
#u must use tab to make a space for the first line of each section
#use make upload to use avrdude