MCU=atmega168
MCU_SPEED=16000000
PROG_TYPE=stk500v1
PROG_RATE=19200
PROG_DEV=/dev/ttyUSB0
FORMAT=ihex
CFLAGS= -Wall -mmcu=$MCU -Os -DF_CPU=$MCU_SPEED

CC=avr-gcc
LD=avr-gcc
AR=avr-ar
AVRDUDE=avrdude
AVRDUDE_CONF=/home/auchtemm/tmp/avrdude.conf
OBJCOPY=avr-objcopy

TARG=pwm
OFILES=pwm.o

default:V: $TARG.hex

%.o:: %.c
	$CC $CFLAGS -c $prereq

$TARG.a::$OFILES
	$AR rcs $target $prereq


$TARG.elf::$TARG.a
	$CC $CFLAGS -o $target $prereq

$TARG.hex::$TARG.elf
	$OBJCOPY -O $FORMAT $prereq $target

clean:QV:
	rm -f *.o $TARG.hex $TARG.a $TARG.elf

flash:V:$TARG.hex
	$AVRDUDE -V -F -C $AVRDUDE_CONF -p $MCU -P $PROG_DEV -c $PROG_TYPE -b $PROG_RATE -U flash:w:$TARG.hex