# Makefile for ATmegaBOOT
# E.Lins, 18.7.2005
# modified by FireWheel <firewheel@m40.coreserver.jp>
#
# Instructions
#
# To make bootloader .hex file:
# make diecimila
# make lilypad
# make ng
# etc...

# program name should not be changed...
PROGRAM    = ATmegaBOOT_168

OBJ        = $(PROGRAM).o
OPTIMIZE   = -Os

DEFS       =
LIBS       =

CC         = avr-gcc

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

override CFLAGS        = -g -Wall $(OPTIMIZE) -mmcu=$(MCU_TARGET) -DF_CPU=$(AVR_FREQ) $(DEFS)
override LDFLAGS       = -Wl,$(LDSECTION)
#override LDFLAGS       = -Wl,-Map,$(PROGRAM).map,$(LDSECTION)

OBJCOPY        = avr-objcopy
OBJDUMP        = avr-objdump

all:

atmega328_8MHz: TARGET = atmega328_8MHz
atmega328_8MHz: MCU_TARGET = atmega328p
atmega328_8MHz: CFLAGS += '-DMAX_TIME_COUNT=F_CPU>>4' '-DNUM_LED_FLASHES=1' -DBAUD_RATE=57600 -DDOUBLE_SPEED
atmega328_8MHz: AVR_FREQ = 8000000L
atmega328_8MHz: LDSECTION  = --section-start=.text=0x7800
atmega328_8MHz: $(PROGRAM)_atmega328_8MHz.hex

atmega328_1MHz: TARGET = atmega328_1MHz
atmega328_1MHz: MCU_TARGET = atmega328p
atmega328_1MHz: CFLAGS += '-DMAX_TIME_COUNT=F_CPU>>4' '-DNUM_LED_FLASHES=1' -DBAUD_RATE=9600 -DDOUBLE_SPEED
atmega328_1MHz: AVR_FREQ = 1000000L
atmega328_1MHz: LDSECTION  = --section-start=.text=0x7800
atmega328_1MHz: $(PROGRAM)_atmega328_1MHz.hex

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

clean:
	rm -rf *.o *.elf *.lst *.map *.sym *.lss *.eep *.srec *.bin *.hex

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

%.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 $< $@