cwg_makefile - マイコンを使った工作

Makefile

---

###############################################################################
# Makefile for the project chaotic
###############################################################################

## General Flags
PROJECT = chaotic
MCU = atmega88
TARGET = chaotic.elf
CC = avr-gcc

## Options common to compile, link and assembly rules
COMMON = -mmcu=$(MCU)

## Compile options common for all C compilation units.
CFLAGS = $(COMMON)
CFLAGS += -Wall -gdwarf-2 -O0
CFLAGS += -Wp,-M,-MP,-MT,$(*F).o,-MF,dep/$(@F).d 

## Assembly specific flags
ASMFLAGS = $(COMMON)
ASMFLAGS += -x assembler-with-cpp -Wa,-gdwarf2

## Linker flags
LDFLAGS = $(COMMON)
LDFLAGS += 


## Intel Hex file production flags
HEX_FLASH_FLAGS = -R .eeprom

HEX_EEPROM_FLAGS = -j .eeprom
HEX_EEPROM_FLAGS += --set-section-flags=.eeprom="alloc,load"
HEX_EEPROM_FLAGS += --change-section-lma .eeprom=0


## Objects that must be built in order to link
OBJECTS = main.o 

## Build
all: $(TARGET) chaotic.hex chaotic.eep size

## Compile
main.o: ../main.c
        $(CC) $(INCLUDES) $(CFLAGS) -c  $<

##Link
$(TARGET): $(OBJECTS)
         $(CC) $(LDFLAGS) $(OBJECTS) $(LIBDIRS) $(LIBS) -o $(TARGET)

%.hex: $(TARGET)
        avr-objcopy -O ihex $(HEX_FLASH_FLAGS)  $< $@

%.eep: $(TARGET)
        avr-objcopy $(HEX_EEPROM_FLAGS) -O ihex $< $@

%.lss: $(TARGET)
        avr-objdump -h -S $< > $@

size: ${TARGET}
        @echo
        @sh avr-mem.sh ${TARGET} ${MCU}

## Clean target
.PHONY: clean
clean:
        -rm -rf $(OBJECTS) chaotic.elf dep/ chaotic.hex chaotic.eep

## Other dependencies
-include $(shell mkdir dep 2>/dev/null) $(wildcard dep/*)