PRG = example OBJECTS = example.o DOC = howto-avr.html EXTRACTDOC = # atmega8, atmega8535, atmega128... MCU_TARGET = atmega8 # -O2 : speed # -Os : size OPTIMIZE = -O2 DEFS = LIBS = # You should not have to change anything below here. CC = avr-gcc CFLAGS = -g -Wall $(OPTIMIZE) -mmcu=$(MCU_TARGET) CPPFLAGS = $(DEFS) LDFLAGS = -Wl,-Map,$(PRG).map OBJCOPY = avr-objcopy OBJDUMP = avr-objdump all: elf lst hex elf: $(PRG).elf lst: $(PRG).lst $(PRG).elf: $(OBJECTS) $(CC) $(CFLAGS) $(LDFLAGS) -o $@ $^ $(LIBS) %.lst: %.elf $(OBJDUMP) -h -S $< > $@ clean: rm -f *.o $(PRG).elf *.bak $(DOC) *.exd rm -f *.lst *.map $(EXTRA_CLEAN_FILES) rm -f $(PRG).hex $(PRG).bin $(PRG).srec $(PRG)_eeprom.hex $(PRG)_eeprom.bin $(PRG)_eeprom.srec # Rules for building the doc. doc: $(DOC) %.html: %.txt %.exd aft $< %.exd: $(EXTRACTDOC) test -n "$^" && extractdoc $^ > $@ || true # 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 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 $< $@