116 lines
2.6 KiB
Makefile
116 lines
2.6 KiB
Makefile
# Compile flags
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CC = avr-g++
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COMMON = -mmcu=$(MCU) -flto -fwhole-program
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CFLAGS += $(COMMON)
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CFLAGS += -Wall -Werror
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CFLAGS += -Wno-error=strict-aliasing # for _invsqrt
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CFLAGS += -std=gnu++98 -DF_CPU=$(CLOCK)UL -O3
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CFLAGS += -funsigned-bitfields -fpack-struct -fshort-enums -funsigned-char
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CFLAGS += -MD -MP -MT $@ -MF build/dep/$(@F).d
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CFLAGS += -D__STDC_LIMIT_MACROS
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# Linker flags
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LDFLAGS += $(COMMON) -Wl,-u,vfprintf -lprintf_flt -lm
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LIBS += -lm
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# EEPROM flags
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EEFLAGS += -j .eeprom
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EEFLAGS += --set-section-flags=.eeprom="alloc,load"
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EEFLAGS += --change-section-lma .eeprom=0 --no-change-warnings
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# Programming flags
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ifndef (PROGRAMMER)
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PROGRAMMER = avrispmkII
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#PROGRAMMER = jtag3pdi
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endif
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PDEV = usb
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AVRDUDE_OPTS = -c $(PROGRAMMER) -p $(MCU) -P $(PDEV)
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FUSE0=0xff
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FUSE1=0x00
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FUSE2=0xbe
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FUSE4=0xff
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FUSE5=0xeb
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# Compile
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build/%.o: src/%.c
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@mkdir -p $(shell dirname $@)
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$(CC) $(CFLAGS) -c -o $@ $<
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build/%.o: src/%.cpp
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@mkdir -p $(shell dirname $@)
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$(CC) $(CFLAGS) -c -o $@ $<
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build/%.o: src/%.S
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@mkdir -p $(shell dirname $@)
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$(CC) $(CFLAGS) -c -o $@ $<
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# Link
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%.hex: %.elf
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avr-objcopy -O ihex -R .eeprom -R .fuse -R .lock -R .signature $< $@
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%.eep: %.elf
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avr-objcopy $(EEFLAGS) -O ihex $< $@
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%.lss: %.elf
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avr-objdump -h -S $< > $@
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size: $(PROJECT).elf
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@for X in A B C; do\
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echo '****************************************************************' ;\
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avr-size -$$X --mcu=$(MCU) $(PROJECT).elf ;\
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done
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data-usage: $(PROJECT).elf
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avr-nm -CS --size-sort -t decimal $(PROJECT).elf | grep ' [BbDd] '
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prog-usage: $(PROJECT).elf
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avr-nm -CS --size-sort -t decimal $(PROJECT).elf | grep -v ' [BbDd] '
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# Program
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reset:
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avrdude $(AVRDUDE_OPTS)
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erase:
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avrdude $(AVRDUDE_OPTS) -e
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program: $(PROJECT).hex
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avrdude $(AVRDUDE_OPTS) -U flash:w:$(PROJECT).hex:i
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verify: $(PROJECT).hex
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avrdude $(AVRDUDE_OPTS) -U flash:v:$(PROJECT).hex:i
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fuses:
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avrdude $(AVRDUDE_OPTS) -U fuse0:w:$(FUSE0):m -U fuse1:w:$(FUSE1):m \
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-U fuse2:w:$(FUSE2):m -U fuse4:w:$(FUSE4):m -U fuse5:w:$(FUSE5):m
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read_fuses:
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avrdude $(AVRDUDE_OPTS) -q -q -U fuse0:r:-:h -U fuse1:r:-:h -U fuse2:r:-:h \
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-U fuse4:r:-:h -U fuse5:r:-:h
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signature:
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avrdude $(AVRDUDE_OPTS) -q -q -U signature:r:-:h
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prodsig:
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avrdude $(AVRDUDE_OPTS) -q -q -U prodsig:r:-:h
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usersig:
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avrdude $(AVRDUDE_OPTS) -q -q -U usersig:r:-:h
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# Clean
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tidy:
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rm -f $(shell find -name \*~ -o -name \#\*)
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clean: tidy
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rm -rf $(PROJECT).elf $(PROJECT).hex $(PROJECT).eep $(PROJECT).lss \
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$(PROJECT).map build
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.PHONY: tidy clean size reset erase program fuses read_fuses prodsig
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.PHONY: signature usersig data-usage prog-usage
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# Dependencies
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-include $(shell mkdir -p build/dep) $(wildcard build/dep/*)
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