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60 lines
1.8 KiB
60 lines
1.8 KiB
CC := avr-gcc |
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LD := avr-ld |
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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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TARGET = funkboot |
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SOURCE = $(wildcard *.c) |
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BUILD_DIR = build |
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CONFIG = funkstuff168 |
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AVRDUDE_PROG := -c avr910 -b 115200 -P /dev/ispprog |
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#AVRDUDE_PROG := -c dragon_isp -P usb |
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# --------------------------------------------------------------------------- |
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ifeq ($(CONFIG), funkstuff168) |
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# (ext. crystal 16MHz, 2.7V BOD) |
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MCU = atmega168 |
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AVRDUDE_MCU=m168 -F |
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AVRDUDE_FUSES=lfuse:w:0xff:m hfuse:w:0xdd:m efuse:w:0x00:m |
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BOOTLOADER_START=0x3800 |
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endif |
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# --------------------------------------------------------------------------- |
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CFLAGS = -pipe -g -Os -mmcu=$(MCU) -Wall -fdata-sections -ffunction-sections |
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CFLAGS += -Wa,-adhlns=$(BUILD_DIR)/$(*D)/$(*F).lst -MMD -MP -MF $(BUILD_DIR)/$(*D)/$(*F).d |
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CFLAGS += -DBOOTLOADER_START=$(BOOTLOADER_START) -DCONFIG_$(CONFIG)=1 |
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LDFLAGS = -Wl,-Map,$(@:.elf=.map),--cref,--relax,--gc-sections,--section-start=.text=$(BOOTLOADER_START) |
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# --------------------------------------------------------------------------- |
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$(TARGET): $(BUILD_DIR)/$(TARGET).elf |
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@$(SIZE) -B -x --mcu=$(MCU) $< |
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$(BUILD_DIR)/$(TARGET).elf: $(patsubst %,$(BUILD_DIR)/%,$(SOURCE:.c=.o)) |
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@echo " Linking file: $@" |
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@$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $^ |
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@$(OBJDUMP) -h -S $@ > $(@:.elf=.lss) |
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@$(OBJCOPY) -j .text -j .data -O ihex $@ $(@:.elf=.hex) |
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@$(OBJCOPY) -j .text -j .data -O binary $@ $(@:.elf=.bin) |
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$(BUILD_DIR)/%.o: %.c $(MAKEFILE_LIST) |
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@echo " Building file: $<" |
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@$(shell test -d $(BUILD_DIR)/$(*D) || mkdir -p $(BUILD_DIR)/$(*D)) |
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@$(CC) $(CFLAGS) -o $@ -c $< |
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include $(shell find $(BUILD_DIR) -name \*.d 2> /dev/null) |
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clean: |
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rm -rf $(BUILD_DIR) |
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install: $(BUILD_DIR)/$(TARGET).elf |
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avrdude $(AVRDUDE_PROG) -p $(AVRDUDE_MCU) -U flash:w:$(<:.elf=.hex) |
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fuses: |
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avrdude $(AVRDUDE_PROG) -p $(AVRDUDE_MCU) $(patsubst %,-U %, $(AVRDUDE_FUSES))
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