#!/bin/sh
PATH=/sbin:/usr/sbin:/bin:/usr/bin
PROG="`basename "$0"`"
DEV="/dev/rtc1"

usage() {
   echo >&2 "Usage: $PROG [start|status|restart|force-reload|status]"
   exit 2 # "invalid or excess arguments"
}

if [ $# -ne 1 ] ; then usage ; fi

start() {
   if [ ! -c "$DEV" ] ; then
      echo ds3231 0x68 >/sys/class/i2c-adapter/i2c-2/new_device
      if [ $? -ne 0 -o ! -c "$DEV" ] ; then
         echo >&2 "failed to load RTC driver"
         exit 1
      fi
   fi

   pidof ntpd >/dev/null
   if [ $? -eq 0 ] ; then return ; fi

   hwclock -f "$DEV" --hctosys 
}

case "$1" in
   start)
      start
      ;;
   stop)
      ;;
   restart)
      start
      ;;
   force-reload)
      start
      ;;
   status)
      ;;
   *)
      usage
      ;;
esac

exit 0