#!/bin/sh # Activy power button /bin/stty 38400 < /dev/ttyS0 if [ "$1" = "0" ] ; then printf "\x94\x21" > /dev/ttyS0 printf "\x94\x30" > /dev/ttyS0 else printf "\x94\x12" > /dev/ttyS0 printf "\x94\x03" > /dev/ttyS0 fi