DEVICE     = attiny85
CLOCK      = 1000000
PROGRAMMER = usbasp
FILENAME   = main
COMPILE    = avr-gcc -std=c11  -Wall -g0 -Os -DF_CPU=$(CLOCK) -mmcu=$(DEVICE)

all: clean build upload

build:
    $(COMPILE) -c $(FILENAME).c -o $(FILENAME).o
    $(COMPILE) -o $(FILENAME).elf $(FILENAME).o
    avr-objcopy -j .text -j .data -O ihex $(FILENAME).elf $(FILENAME).hex
    avr-size --format=gnu  $(FILENAME).elf

upload:
    avrdude -v -p $(DEVICE) -c $(PROGRAMMER) -U flash:w:$(FILENAME).hex:i


clean:
    del main.o
    del main.elf
    del main.hex