73 lines
2.3 KiB
Makefile
73 lines
2.3 KiB
Makefile
PROJECT = main
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LOCAL_SOURCE_DIR = src
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BUILD_DIR = build
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MCU = attiny2313
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# internal oscillator
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# LFUSE = 0xe4
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# crystal
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LFUSE = 0xff
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HFUSE = 0xdf
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EFUSE = 0xff
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FORMAT = ihex
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LOCAL_SOURCES = $(wildcard $(LOCAL_SOURCE_DIR)/*.c)
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CFLAGS = -mmcu=$(MCU) -Wall -Wstrict-prototypes -gstabs -std=gnu99 -funsigned-char -funsigned-bitfields -fpack-struct -fshort-enums -Os -lm
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RM = rm -f
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CC = avr-gcc
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NM = avr-nm
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AVRDUDE = avrdude
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OBJCOPY = avr-objcopy
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OBJDUMP = avr-objdump
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SIZE = avr-size
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LOCAL_OBJECTS = $(patsubst $(LOCAL_SOURCE_DIR)/%.c, $(BUILD_DIR)/%.o, $(LOCAL_SOURCES))
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OBJECTS = $(LOCAL_OBJECTS)
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LOCAL_DEPENDS = $(patsubst $(LOCAL_SOURCE_DIR)/%.c, $(BUILD_DIR)/%.d, $(LOCAL_SOURCES))
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.DEFAULT_GOAL = all
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.DELETE_ON_ERROR:
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$(LOCAL_OBJECTS): $(BUILD_DIR)/%.o: $(LOCAL_SOURCE_DIR)/%.c
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$(CC) $^ -c -o $@ $(CFLAGS)
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$(LOCAL_DEPENDS): $(BUILD_DIR)/%.d: $(LOCAL_SOURCE_DIR)/%.c
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@set -e; rm -f $@; $(CC) -MM $(CFLAGS) $< > $@.$$$$; sed 's,\($*\)\.o[ :]*,\1.o $@ : ,g' < $@.$$$$ > $@; rm -f $@.$$$$
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include $(LOCAL_DEPENDS)
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$(BUILD_DIR)/$(PROJECT).elf: $(OBJECTS) | $(BUILD_DIR)
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$(CC) $(OBJECTS) $(CFLAGS) --output $@
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$(BUILD_DIR)/$(PROJECT).hex: $(BUILD_DIR)/$(PROJECT).elf | $(BUILD_DIR)
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$(OBJCOPY) -O $(FORMAT) -R .eeprom $< $@
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$(BUILD_DIR)/$(PROJECT).eep: $(BUILD_DIR)/$(PROJECT).elf | $(BUILD_DIR)
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-$(OBJCOPY) -j .eeprom --set-section-flags=.eeprom="alloc,load" --change-section-lma .eeprom=0 -O $(FORMAT) $< $@
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$(BUILD_DIR)/$(PROJECT).lss: $(BUILD_DIR)/$(PROJECT).elf | $(BUILD_DIR)
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$(OBJDUMP) -h -S $< > $@
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$(BUILD_DIR)/$(PROJECT).sym: $(BUILD_DIR)/$(PROJECT).elf | $(BUILD_DIR)
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$(NM) -n $< > $@
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$(LOCAL_DEPENDS): | $(BUILD_DIR)
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$(BUILD_DIR):
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if [ ! -d "$(BUILD_DIR)" ]; then mkdir "$(BUILD_DIR)"; fi
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.PHONY: all
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all: $(BUILD_DIR) $(OBJECTS) $(BUILD_DIR)/$(PROJECT).elf $(BUILD_DIR)/$(PROJECT).hex $(BUILD_DIR)/$(PROJECT).eep $(BUILD_DIR)/$(PROJECT).lss $(BUILD_DIR)/$(PROJECT).sym
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$(SIZE) $(BUILD_DIR)/$(PROJECT).elf
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.PHONY: program
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program: $(BUILD_DIR)/$(PROJECT).hex
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avrdude -c usbasp -p $(MCU) -U flash:w:$(BUILD_DIR)/$(PROJECT).hex -U lfuse:w:$(LFUSE):m -U hfuse:w:$(HFUSE):m -U efuse:w:$(EFUSE):m
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# avrdude -c usbasp -p $(MCU) -U flash:w:$(BUILD_DIR)/$(PROJECT).hex -U eeprom:w:$(BUILD_DIR)/$(PROJECT).eep -U lfuse:w:$(LFUSE):m -U hfuse:w:$(HFUSE):m -U efuse:w:$(EFUSE):m
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.PHONY: clean
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clean:
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$(RM) $(BUILD_DIR)/*
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