2020-12-02 12:25:32 +01:00
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PRG = badge
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OBJ = main.o
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OPTIMIZE = -Os -std=gnu99
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PROGRAMMER = usbtiny
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2020-12-02 13:26:01 +01:00
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MCU_TARGET = attiny13
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2020-12-02 12:25:32 +01:00
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DEFS = -DF_CPU=1000000UL
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INCLUDES = -I.
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LIBS =
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#LFUSE =
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#HFUSE =
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#EFUSE =
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# You should not have to change anything below here.
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CC = avr-gcc
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DUDE = avrdude
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HOST_CC = gcc
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HOST_CFLAGS = -O0 -g
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HOST_LDFLAGS =
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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) $(INCLUDES)
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override LDFLAGS = -Wl,-Map,$(PRG).map
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DUDEFLAGS = -c $(PROGRAMMER) -p $(MCU_TARGET)
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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 $(OBJ) $(PRG).elf $(PRG).lst $(PRG).map $(PRG).bin $(PRG).hex $(PRG).srec $(PRG)_eeprom.bin $(PRG)_eeprom.hex $(PRG)_eeprom.srec $(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 flashing, EEPROM writing and fuse bit setting
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flash: $(PRG).hex $(PRG)_eeprom.hex
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$(DUDE) $(DUDEFLAGS) -U eeprom:w:$(PRG)_eeprom.hex:i -U flash:w:$(PRG).hex:i
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flashprg: $(PRG).hex
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$(DUDE) $(DUDEFLAGS) -U flash:w:$(PRG).hex:i
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flasheep: $(PRG)_eeprom.hex
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$(DUDE) $(DUDEFLAGS) -U eeprom:w:$(PRG)_eeprom.hex:i
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fuse:
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$(DUDE) $(DUDEFLAGS) -U hfuse:w:$(HFUSE):m -U lfuse:w:$(LFUSE):m -U efuse:w:$(EFUSE):m
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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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|| { echo empty $@ not generated; exit 0; }
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%_eeprom.srec: %.elf
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$(OBJCOPY) -j .eeprom --change-section-lma .eeprom=0 -O srec $< $@ \
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|| { echo empty $@ not generated; exit 0; }
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%_eeprom.bin: %.elf
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$(OBJCOPY) -j .eeprom --change-section-lma .eeprom=0 -O binary $< $@ \
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|| { echo empty $@ not generated; exit 0; }
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