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90 gunterl 1
PRG            = main
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OBJ            = main.o \
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MCU_TARGET     = atmega8
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OPTIMIZE       = -O1
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DEFS           =
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LIBS           =
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# You should not have to change anything below here.
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CC             = avr-gcc
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# Override is only needed by avr-lib build system.
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override CFLAGS        = -g -Wall $(OPTIMIZE) -mmcu=$(MCU_TARGET) $(DEFS)
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override LDFLAGS       = -Wl,-Map,$(PRG).map
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OBJCOPY        = avr-objcopy
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OBJDUMP        = avr-objdump
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all: $(PRG).elf lst text eeprom
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$(PRG).elf: $(OBJ)
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	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $^ $(LIBS)
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clean:
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	rm -rf *.o $(PRG).elf *.eps *.png *.pdf *.bak
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	rm -rf *.lst *.map $(EXTRA_CLEAN_FILES)
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lst:  $(PRG).lst
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%.lst: %.elf
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	$(OBJDUMP) -h -S $< > $@
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# Rules for building the .text rom images
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text: hex bin srec
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hex:  $(PRG).hex
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bin:  $(PRG).bin
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srec: $(PRG).srec
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%.hex: %.elf
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	$(OBJCOPY) -j .text -j .data -O ihex $< $@
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%.srec: %.elf
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	$(OBJCOPY) -j .text -j .data -O srec $< $@
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%.bin: %.elf
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	$(OBJCOPY) -j .text -j .data -O binary $< $@
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# Rules for building the .eeprom rom images
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eeprom: ehex ebin esrec
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ehex:  $(PRG)_eeprom.hex
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ebin:  $(PRG)_eeprom.bin
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esrec: $(PRG)_eeprom.srec
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%_eeprom.hex: %.elf
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	$(OBJCOPY) -j .eeprom --change-section-lma .eeprom=0 -O ihex $< $@
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%_eeprom.srec: %.elf
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	$(OBJCOPY) -j .eeprom --change-section-lma .eeprom=0 -O srec $< $@
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%_eeprom.bin: %.elf
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	$(OBJCOPY) -j .eeprom --change-section-lma .eeprom=0 -O binary $< $@
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# Every thing below here is used by avr-libc's build system and can be ignored
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# by the casual user.
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FIG2DEV                 = fig2dev
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EXTRA_CLEAN_FILES       = *.bin *.srec
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dox: eps png pdf
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eps: $(PRG).eps
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png: $(PRG).png
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pdf: $(PRG).pdf
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%.eps: %.fig
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	$(FIG2DEV) -L eps $< $@
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%.pdf: %.fig
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	$(FIG2DEV) -L pdf $< $@
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%.png: %.fig
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	$(FIG2DEV) -L png $< $@
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