if [ ! -d "/sys/class/gpio/gpio49" ]
then
echo 49 > /sys/class/gpio/export
fi
if [ ! -d "/sys/class/gpio/gpio50" ]
then
echo 50 > /sys/class/gpio/export
fi

echo out > /sys/class/gpio/gpio49/direction
echo out > /sys/class/gpio/gpio50/direction

echo 0 > /sys/class/gpio/gpio49/active_low
echo 0 > /sys/class/gpio/gpio50/active_low


echo 0 > /sys/class/gpio/gpio49/value

usleep 10000

echo $1 > /sys/class/gpio/gpio49/value
echo $2 > /sys/class/gpio/gpio50/value


usleep 10000
echo 0 > /sys/class/gpio/gpio49/value
echo 0 > /sys/class/gpio/gpio50/value