all: sologse.hex mtr3gse.hex

CPU_sologse=
CPU_mtr3gse=atmega644

MCU = atmega644

pMCU-atmega16m1 = m16
pMCU-atmega16   = m16
pMCU-atmega644  = m644

CC=avr-gcc -Wall -MMD -std=c99 -O3 -mmcu=$(MCU) \
  -funsigned-char \
  -funsigned-bitfields \
  -fpack-struct \
  -fshort-enums

SN=1
CFLAGS = $($*_CFLAGS) $(DEBUG) -I. -DSN="$(SN)"

C_FILES = adc.c hex.c io_base.c io_spi.c io_usart.c sologse.c timer.c
OBJS = $(patsubst %.c, %.o, $(C_FILES))

%.s: %.c
	$(CC) $(CFLAGS) -S $<

%.o: %.c
	$(CC) -gstabs $(CFLAGS) -c $<

-include *.d

LDFLAGS =

sologse.elf: solo.o
mtr3gse.elf: mtr3.o
%.elf: $(OBJS)
	$(CC) $(CFLAGS) -Wl,-Map=$*.map,--cref $^ --output $@ $(LDFLAGS)

OBJCOPY = avr-objcopy

%.hex: %.elf
	$(OBJCOPY) -O ihex -R .eeprom $< $@


AVRDUDE = avrdude
AVRDUDE_PROGRAMMER = avrispmkii
AVRDUDE_PORT = usb
AVRDUDE_WRITE_FLASH = -U flash:w:$<

%.burn: %.hex
	$(AVRDUDE) -p $(pMCU-$(MCU)) -P $(AVRDUDE_PORT) -c $(AVRDUDE_PROGRAMMER) \
        -U flash:w:$<

lfuse_LCD=0xff

# CKDIV8 : no
# CKOUT: yes, on PB1, pin 41
# SUT: max
# CLKSEL: external clock

lfuse_sologse=0xA0
lfuse_mtr3gse=0xA0

%.lfuse:
	$(AVRDUDE) -p $(pMCU-$(MCU)) -P $(AVRDUDE_PORT) -c $(AVRDUDE_PROGRAMMER) \
        -B 5 -U lfuse:w:$(lfuse_$*):m

clean:
	rm -f *.hex *.o *.s *.map *.elf *.d