#!/bin/sh
# base on work of: Karol Przybylski <itor@o2.pl>

. /lib/functions.sh

get_gpio() {

	local config_section="config"

	config_load 'fanctld'
	config_get FAN_GPIO "$config_section" Gpio
		[ -z "$FAN_GPIO" ] || {
			return 1
		}
		[ -f "/sys/class/gpio/$FAN_GPIO/value" ] || {
			return 1
		}
}

get_gpio
GPIO="$FAN_GPIO"

usage() {
  echo "usage: $0 [start|stop|status]"
}

fan_start() {
  echo 1 > /sys/class/gpio/$GPIO/value
}

fan_stop() {
   echo 0 > /sys/class/gpio/$GPIO/value
}

fan_status() {
  status=`cat /sys/class/gpio/$GPIO/value`
  if [ $status = 0 ]; then
	  echo "disable"
  else
	  echo "enable"
  fi
}

case $1 in
  start)
    fan_start
    ;;
  stop)
    fan_stop
    ;;
  status)
    fan_status
    ;;
  *)
    usage
    ;;
esac

exit 0