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PRG            = main
OBJ            = main.o
MCU_TARGET     = atmega8
OPTIMIZE       = -O2

DEFS           =
LIBS           =

# You should not have to change anything below here.

CC             = avr-gcc

# 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
SIZE           = avr-size
SZFLAGS        = 
UPLOAD         = uisp
ULFLAGS        = -dpart=$(MCU_TARGET) -dprog=avr910 -dserial=/dev/ttyS0 -dspeed=115200 --erase --upload --verify if=$(PRG).hex

default: $(PRG).elf lst
    @$(SIZE) $(SZFLAGS) $(PRG).elf

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)

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 uploading rom images to flash

install: hex
    $(UPLOAD) $(ULFLAGS)

# 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 $< $@

%_eeprom.srec: %.elf
    $(OBJCOPY) -j .eeprom --change-section-lma .eeprom=0 -O srec $< $@

%_eeprom.bin: %.elf
    $(OBJCOPY) -j .eeprom --change-section-lma .eeprom=0 -O binary $< $@

# 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 $< $@