PROGRAM = timer_demo2

MCU = atmega88

CC = avr-gcc
OBJCOPY = avr-objcopy
CFLAGS += -Wall -g -Os -mmcu=$(MCU)
LDFLAGS +=

OBJS = $(PROGRAM).o

all: $(PROGRAM)_$(MCU).hex

$(PROGRAM)_$(MCU).elf: $(PROGRAM).o
        @printf " LD $(subst $(shell pwd)/,,$(@))\n"
        $(CC) $(CFLAGS) $(LDFLAGS) -o $@ $^

$(PROGRAM)_$(MCU).hex: $(PROGRAM)_$(MCU).elf
        @printf " OBJCOPY $(subst $(shell pwd)/,,$(@))\n"
        $(OBJCOPY) -O ihex $< $@

%.o: %.c
        @printf " CC $(subst $(shell pwd)/,,$(@))\n"
        $(CC) $(CFLAGS) -o $@ -c $<

flash: $(PROGRAM)_$(MCU).hex
        @printf " FLASH $(PROGRAM)_$(MCU).hex\n"
        avrdude -c stk500v1 -P usb -p m88 -U flash:w:$(PROGRAM)_$(MCU).hex

clean:
        @printf " CLEAN $(subst $(shell pwd)/,,$(OBJS))\n"
        rm -f *.o
        @printf " CLEAN $(PROGRAM).elf\n"
        rm -f *.elf
        @printf " CLEAN $(PROGRAM).hex\n"
        rm -f *.hex