Makefile for Arduino

Makefile

TARGET=Blink

LIB=core.a
CORE_INC=/usr/share/arduino/hardware/arduino/cores/arduino/
PLAT_INC=/usr/share/arduino/hardware/arduino/variants/mega/
F_CPU=16000000L
FORMAT=ihex
MCU=atmega328p
ISP=arduino
PORT=/dev/ttyACM0
BAUD=115200

CC=avr-gcc
CXX=avr-g++
AS=avr-as
LD=avr-ld
OBJCOPY=avr-objcopy
OBJDUMP=avr-objdump
SIZE=avr-size
NM=avr-nm
AVRDUDE = avrdude -D
MV=mv -f
RM=rm -f

INC=-I. -I$(PLAT_INC) -I$(CORE_INC)
SOPT = -mmcu=$(MCU)
CWARN = -Wall -Wstrict-prototypes -funsigned-char -funsigned-bitfields -fpack-struct -fshort-enums -fno-exceptions -ffunction-sections -fdata-sections
CFLAGS   = $(SOPT) -DF_CPU=$(F_CPU) -MMD -DUSB_VID=null -DUSB_PID=null -DARDUINO=101 -Os $(CWARN)
CXXFLAGS = $(SOPT) -DF_CPU=$(F_CPU) -MMD -DUSB_VID=null -DUSB_PID=null -DARDUINO=101 -Os
ASFLAGS = $(SOPT)
LDFLAGS = 

OBJ=$(patsubst %.c, %.c.o, $(wildcard *.c))\
    $(patsubst %.cpp, %.cpp.o, $(wildcard *.cpp))\
    $(patsubst %.s, %.s.o, $(wildcard *.s))

$(TARGET).hex : $(TARGET)
	$(OBJCOPY) -O $(FORMAT) -R .eeprom $< $@

$(TARGET) : $(OBJ) $(LIB)
	$(CC) $(CFLAGS) -o $@ $^

%.c.o : %.c
	$(CC) -I. -I$(INC) -c $(CFLAGS) -o $@ $<

%.cpp.o : %.cpp
	$(CC) -I. -I$(INC) -c $(CXXFLAGS) -o $@ $<

%.s.o : %.s
	$(AS) $(ASFLAGS) -o $@ $<

.PHONY : clean

clean :
	$(RM) $(TARGET) $(TARGET).hex $(OBJ)


.PHONY : install

install : $(TARGET).hex
	$(AVRDUDE) -p$(MCU) -c$(ISP) -P$(PORT) -b$(BAUD) -Uflash:w:$<:i