PROJECT=Hello.World
 SOURCES=$(PROJECT).c
 MMCU=attiny44
 F_CPU = 20000000
 

	CFLAGS=-mmcu=$(MMCU) -Wall -Os -DF_CPU=$(F_CPU)     #create set of parameters for the compiler (clock, MCU)
            
        $(PROJECT).hex: $(PROJECT).out
	        avr-objcopy -O ihex $(PROJECT).out $(PROJECT).c.hex;\      #copy and translate object files
	        avr-size --mcu=$(MMCU) --format=avr $(PROJECT).out         #size utility lists the section sizes               
            
        $(PROJECT).out: $(SOURCES)
	        avr-gcc $(CFLAGS) -I./ -o $(PROJECT).out $(SOURCES)        #to compile the file 
            
        program-fabISP: $(PROJECT).hex
	        avrdude -p t44 -P usb -c usbtiny -U flash:w:$(PROJECT).c.hex       #to upload the file
            
        program-fabISP-fuses: $(PROJECT).hex
	        avrdude -p t44 -P usb -c usbtiny -U lfuse:w:0x06:m         #to upload the settings of the fuses