PRG            = rgbyteclock
OBJ            = rgbyteclock.o timer.o lcd.o main.o rtc.o spi.o ringbuffer.o crc.o ledcontroller.o
MCU_TARGET     = atmega164a
OPTIMIZE       = -Os

DEFS           =
LIBS           =

CC             = avr-gcc

override CFLAGS        = -g -Wall $(OPTIMIZE) -DF_CPU=16000000UL -std=gnu99 -mmcu=$(MCU_TARGET) $(DEFS)
override LDFLAGS       = -Wl,-Map,$(PRG).map

OBJCOPY        = avr-objcopy
OBJDUMP        = avr-objdump
SIZE           = avr-size -A


all: $(PRG).hex

$(PRG).elf: $(OBJ)
	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $^ $(LIBS)
	@echo
	@$(SIZE) $@ 
	@echo

# dependency:
rgbyteclock.o: timer.o lcd.o rgbyteclock.h rtc.o spi.o ledcontroller.o
main.o: rgbyteclock.o lcd.o spi.o led1642gw.o
timer.o: timer.h
lcd.o: lcd.h timer.o
rtc.o: rtc.h
spi.o: spi.h crc.o ringbuffer.o
ringbuffer.o: ringbuffer.h
crc.o: crc.h
ledcontroller.o: ledcontroller.h

clean:
	rm -rf *.o $(PRG).elf *.eps *.png *.pdf *.bak 
	rm -rf *.lst *.map $(EXTRA_CLEAN_FILES)

hex:  $(PRG).hex

%.hex: %.elf
	$(OBJCOPY) -j .text -j .data -O ihex $< $@