55 lines
1,009 B
Makefile
55 lines
1,009 B
Makefile
.SUFFIXES:
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MCU := atmega328p
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PROGRAMMER := usbasp
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SPEED := 8000000UL
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TARGET := main.hex
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EEP := main.eep
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BIN := main.elf
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OBJ := main.o
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LOW_FUSE := 0xE2
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HIGH_FUSE := 0xD6
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SHELL := sh
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CC := avr-gcc
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OBJCOPY := avr-objcopy
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SIZE := avr-size
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AVRDUDE := avrdude
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CFLAGS := -mmcu=$(MCU) -D F_CPU=$(SPEED) -Os -Wall -Werror -Wextra -Wpedantic
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all: $(TARGET) $(EEP)
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$(TARGET): $(BIN)
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${OBJCOPY} -O ihex -j .text -j .data $< $@
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$(EEP): $(BIN)
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${OBJCOPY} --change-section-lma .eeprom=0 -O ihex -j .eeprom $< $@
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$(BIN): $(OBJ)
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$(CC) $(CFLAGS) $< -o $@
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%.o: %.c
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$(CC) $(CFLAGS) -c $< -o $@
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.PHONY: flash eeprom fuses clean check size
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flash: $(TARGET) size
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$(AVRDUDE) -p $(MCU) -c $(PROGRAMMER) -U flash:w:$<:a
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eeprom: $(EEP) size
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$(AVRDUDE) -p $(MCU) -c $(PROGRAMMER) -U eeprom:w:$<:a
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fuses:
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$(AVRDUDE) -p $(MCU) -c $(PROGRAMMER) -U lfuse:w:$(LOW_FUSE):m -U hfuse:w:$(HIGH_FUSE):m
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clean:
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$(RM) $(TARGET) $(EEP) $(BIN) $(OBJ)
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check:
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cppcheck main.c
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size: $(BIN)
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$(SIZE) --format=avr --mcu=$(MCU) $<
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