# Makefile for ATmegaBOOT
# E.Lins, 18.7.2005

# version
BUILD      = 050815

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

# enter the product name for which you want to build the bootloader/monitor
#PRODUCT    = CRUMB8
PRODUCT    = CRUMB128
#PRODUCT    = CRUMB168
#PRODUCT    = PROBOMEGA128
#PRODUCT    = SAVVY128

# enter the target CPU frequency
#AVR_FREQ   = F3686400
#AVR_FREQ   = F7372800
#AVR_FREQ   = F8000000
#AVR_FREQ   = F14745600
AVR_FREQ   = F16000000
#AVR_FREQ   = F20000000

# enter the parameters for the UISP isp tool
# for an stk500 at com1
#ISPTOOL	   = stk500
#ISPPORT	   = com1
#ISPSPEED   = -b 115200
# or an stk200 at lpt1
ISPTOOL    = stk200
ISPPORT    = lpt1
ISPSPEED   = 


############################################################
# You should not have to change anything below here.
############################################################

ifeq ($(PRODUCT),CRUMB8)
MCU_TARGET = atmega8
LDSECTION  = --section-start=.text=0x1800
ISPFUSES    = avrdude -c $(ISPTOOL) -p m8 -P $(ISPPORT) $(ISPSPEED) -u -U hfuse:w:0xc8:m -U lfuse:w:0xdf:m
ISPFLASH    = avrdude -c $(ISPTOOL) -p m8 -P $(ISPPORT) $(ISPSPEED) -V -U flash:w:$(PROGRAM)_$(PRODUCT)_$(BUILD).hex
endif

ifeq ($(PRODUCT),CRUMB168)
MCU_TARGET = atmega168
LDSECTION  = --section-start=.text=0x3800
ISPFUSES    = avrdude -c $(ISPTOOL) -p m168 -P $(ISPPORT) $(ISPSPEED) -u -U efuse:w:0xf8:m -U hfuse:w:0xd7:m -U lfuse:w:0xaf:m
ISPFLASH    = avrdude -c $(ISPTOOL) -p m168 -P $(ISPPORT) $(ISPSPEED) -V -U flash:w:$(PROGRAM)_$(PRODUCT)_$(BUILD).hex
endif

ifeq ($(PRODUCT),CRUMB128)
MCU_TARGET = atmega128
#MCU_TARGET     = at90can128	
LDSECTION  = --section-start=.text=0x1E000
ISPFUSES    = avrdude -c $(ISPTOOL) -p m128 -P $(ISPPORT) $(ISPSPEED) -u -U efuse:w:0xff:m -U hfuse:w:0xc8:m -U lfuse:w:0xdf:m
ISPFLASH    = avrdude -c $(ISPTOOL) -p m128 -P $(ISPPORT) $(ISPSPEED) -V -U flash:w:$(PROGRAM)_$(PRODUCT)_$(BUILD).hex
endif

ifeq ($(PRODUCT),PROBOMEGA128)
MCU_TARGET = atmega128
LDSECTION  = --section-start=.text=0x1E000
ISPFUSES    = avrdude -c $(ISPTOOL) -p m128 -P $(ISPPORT) $(ISPSPEED) -u -U efuse:w:0xff:m -U hfuse:w:0xc8:m -U lfuse:w:0xdf:m
ISPFLASH    = avrdude -c $(ISPTOOL) -p m128 -P $(ISPPORT) $(ISPSPEED) -V -U flash:w:$(PROGRAM)_$(PRODUCT)_$(BUILD).hex
endif

ifeq ($(PRODUCT),SAVVY128)
MCU_TARGET = atmega128
LDSECTION  = --section-start=.text=0x1E000
ISPFUSES    = avrdude -c $(ISPTOOL) -p m128 -P $(ISPPORT) $(ISPSPEED) -u -U efuse:w:0xff:m -U hfuse:w:0xd8:m -U lfuse:w:0xe4:m
ISPFLASH    = avrdude -c $(ISPTOOL) -p m128 -P $(ISPPORT) $(ISPSPEED) -V -U flash:w:$(PROGRAM)_$(PRODUCT)_$(BUILD).hex
endif

OBJ        = $(PROGRAM).o
OPTIMIZE   = -O2

DEFS       =
LIBS       =

CC         = avr-gcc


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

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

OBJCOPY        = avr-objcopy
OBJDUMP        = avr-objdump

all: $(PROGRAM).elf lst text

isp: $(PROGRAM).hex
	$(ISPFUSES)
	$(ISPFLASH)

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

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

lst:  $(PROGRAM).lst

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

# Rules for building the .text rom images

text: hex bin srec

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

%.hex: %.elf
	$(OBJCOPY) -j .text -j .data -O ihex $< $@
	cp $@ $(PROGRAM)_$(PRODUCT)_$(AVR_FREQ)_$(BUILD).hex

%.srec: %.elf
	$(OBJCOPY) -j .text -j .data -O srec $< $@
	cp $@ $(PROGRAM)_$(PRODUCT)_$(AVR_FREQ)_$(BUILD).srec

%.bin: %.elf
	$(OBJCOPY) -j .text -j .data -O binary $< $@
	cp $@ $(PROGRAM)_$(PRODUCT)_$(AVR_FREQ)_$(BUILD).bin