42 lines
586 B
Makefile
42 lines
586 B
Makefile
PROG = main
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MCU = attiny84
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CC = avr-gcc
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CFLAGS += -mmcu=$(MCU)
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CFLAGS += -Os
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CFLAGS += -w
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LDFLAGS += -mmcu=$(MCU)
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AVDFLAGS += -p $(MCU)
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AVDFLAGS += -c usbtiny
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CLOCK_HZ = 1600000
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FUSES += -U lfuse:w:0x7f:m
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FUSES += -U hfuse:w:0xdd:m
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FUSES += -U efuse:w:0xff:m
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upload: .upload
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.upload: $(PROG).hex
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avrdude $(AVDFLAGS) -U flash:w:$<
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touch $@
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fuses:
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avrdude $(AVDFLAGS) $(FUSES)
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main: main.o avr.o
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avr.o: CFLAGS += -DCLOCK_HZ=$(CLOCK_HZ)
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$(PROG).hex: $(PROG)
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avr-objcopy -O ihex -R .eeprom -R .fuse -R .lock -R .signature $< $@
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clean:
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rm -f $(PROG) *.o *.hex .upload
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