Makefile
MCU=atmega328p
F_CPU=16000000
CC=avr-gcc #CC=avr-g++
OBJCOPY=avr-objcopy
STD=-std=c99  #STD=-std=gnu99
CFLAGS=-Wall -Os -mmcu=${MCU} -DF_CPU=${F_CPU} -I.
TARGET=main
MAIN=main.c 
#USB_DEV=/dev/ttyACM0 
USB_DEV=/dev/ttyUSB0
BAUDRATE=115200 #BAUDRATE=19200 
CAT_BAUDRATE=9600
#CAT_BAUDRATE=19200
#CAT_BAUDRATE=57600
#CAT_BAUDRATE=115200
#ECHO_DUDE=-n

CFLAGS += -Wall -Wstrict-prototypes
CFLAGS += $(STD)

build: clean avr_mmcp uart pff main diskio.o
	${CC} ${CFLAGS} ${LDFLAGS} ${TARGET}.o mmc_avr_spi.o diskio.o ff.o uart.o -o ${TARGET}.bin 
	${OBJCOPY} ${LDFLAGS} ${OBJFLAGS} -O ihex ${TARGET}.bin ${TARGET}.hex	

avr_mmcp:
	${CC} ${CFLAGS} -c mmc_avr_spi.c

pff:
	${CC} ${CFLAGS} -c ff.c

diskio.o:
	${CC} ${CFLAGS} -c diskio.c

uart: 
	${CC} ${CFLAGS} -c -o uart.o uart.c #-DBAUD=${CAT_BAUDRATE}

main: 
	${CC} ${CFLAGS} -c -o ${TARGET}.o ${MAIN} 
	
flash:
	avrdude ${ECHO_DUDE}  -v -p ${MCU} -c arduino -P ${USB_DEV} -b ${BAUDRATE} -D -U flash:w:${TARGET}.hex:i

clean:
	rm -f *.bin *.hex *.o

capture:
	avrdude ${ECHO_DUDE} -v -v -v -p ${MCU} -c arduino -P ${USB_DEV} -b ${BAUDRATE} -U flash:r:"/tmp/arduino.hex":r
	cp -v /tmp/arduino.hex .

cat: 
	stty -F ${USB_DEV} ${CAT_BAUDRATE}
	cat ${USB_DEV}

remake: clean build