Makefile

### vvv EDIT BELOW vvv ###

MCU_TARGET     = atmega1280
### other examples:
# MCU_TARGET     = at90s2313
# MCU_TARGET     = atmega1284p
# MCU_TARGET     = attiny2313

SERIAL_PORT     = /dev/tty.usbserial-A600aiI4
CLK_FREQ        = 16000000L

### ^^^ EDIT ABOVE ^^^ ###

PRG            = main
OBJ            = main.o

### AVRDUDE OPTIONS
DUDE_OPTIONS = -p $(MCU_TARGET) -P $(SERIAL_PORT) -c stk500v1 -b 57600 -F

### GCC OPTIONS
CC             = avr-gcc
OPTIMIZE       = -O2
DEFS           = -DF_CPU=$(CLK_FREQ)
LIBS           =


# Override is only needed by avr-lib build system.

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

OBJCOPY        = avr-objcopy
OBJDUMP        = avr-objdump


all: $(PRG).elf lst text eeprom


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


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


upload: hex
	avrdude  $(DUDE_OPTIONS) -U flash:w:$(PRG).hex
	
	
lst:  $(PRG).lst

%.lst: %.elf
	$(OBJDUMP) -h -S $< > $@

# Rules for building the .text rom images

text: hex bin srec

hex:  $(PRG).hex
bin:  $(PRG).bin
srec: $(PRG).srec

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

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

%.bin: %.elf
	$(OBJCOPY) -j .text -j .data -O binary $< $@

# Rules for building the .eeprom rom images

eeprom: ehex ebin esrec

ehex:  $(PRG)_eeprom.hex
ebin:  $(PRG)_eeprom.bin
esrec: $(PRG)_eeprom.srec

%_eeprom.hex: %.elf
	$(OBJCOPY) -j .eeprom --change-section-lma .eeprom=0 -O ihex $< $@ \
	|| { echo empty $@ not generated; exit 0; }

%_eeprom.srec: %.elf
	$(OBJCOPY) -j .eeprom --change-section-lma .eeprom=0 -O srec $< $@ \
	|| { echo empty $@ not generated; exit 0; }

%_eeprom.bin: %.elf
	$(OBJCOPY) -j .eeprom --change-section-lma .eeprom=0 -O binary $< $@ \
	|| { echo empty $@ not generated; exit 0; }

# Every thing below here is used by avr-libc's build system and can be ignored
# by the casual user.

FIG2DEV                 = fig2dev
EXTRA_CLEAN_FILES       = *.hex *.bin *.srec

dox: eps png pdf

eps: $(PRG).eps
png: $(PRG).png
pdf: $(PRG).pdf

%.eps: %.fig
	$(FIG2DEV) -L eps $< $@

%.pdf: %.fig
	$(FIG2DEV) -L pdf $< $@

%.png: %.fig
	$(FIG2DEV) -L png $< $@