package/base-files/files/etc/init.d/led

   1 #!/bin/sh /etc/rc.common
   2 # Copyright (C) 2008 OpenWrt.org
   3
   4 START=96
   5
   6 load_led() {
   7         local name
   8         local sysfs
   9         local trigger
  10         local dev
  11         local mode
  12         local default
  13         local delayon
  14         local delayoff
  15         local interval
  16
  17         config_get sysfs $1 sysfs
  18         config_get name $1 name "$sysfs"
  19         config_get trigger $1 trigger "none"
  20         config_get dev $1 dev
  21         config_get mode $1 mode "link"
  22         config_get_bool default $1 default "nil"
  23         config_get delayon $1 delayon
  24         config_get delayoff $1 delayoff
  25         config_get interval $1 interval "50"
  26         config_get port_state $1 port_state
  27         config_get delay $1 delay "150"
  28         config_get message $1 message ""
  29
  30         if [ "$trigger" = "rssi" ]; then
  31                 # handled by rssileds userspace process
  32                 return
  33         fi
  34
  35         [ -e /sys/class/leds/${sysfs}/brightness ] && {
  36                 echo "setting up led ${name}"
  37
  38                 [ "$default" = 0 ] ||
  39                         echo 0 >/sys/class/leds/${sysfs}/brightness
  40
  41                 echo $trigger > /sys/class/leds/${sysfs}/trigger 2> /dev/null
  42                 ret="$?"
  43
  44                 [ $default = 1 ] &&
  45                         echo 1 >/sys/class/leds/${sysfs}/brightness
  46
  47                 [ $ret = 0 ] || {
  48                         echo >&2 "Skipping trigger '$trigger' for led '$name' due to missing kernel module"
  49                         return 1
  50                 }
  51                 case "$trigger" in
  52                 "netdev")
  53                         [ -n "$dev" ] && {
  54                                 echo $dev > /sys/class/leds/${sysfs}/device_name
  55                                 echo $mode > /sys/class/leds/${sysfs}/mode
  56                         }
  57                         ;;
  58
  59                 "timer")
  60                         [ -n "$delayon" ] && \
  61                                 echo $delayon > /sys/class/leds/${sysfs}/delay_on
  62                         [ -n "$delayoff" ] && \
  63                                 echo $delayoff > /sys/class/leds/${sysfs}/delay_off
  64                         ;;
  65
  66                 "usbdev")
  67                         [ -n "$dev" ] && {
  68                                 echo $dev > /sys/class/leds/${sysfs}/device_name
  69                                 echo $interval > /sys/class/leds/${sysfs}/activity_interval
  70                         }
  71                         ;;
  72
  73                 "port_state")
  74                         [ -n "$port_state" ] && \
  75                                 echo $port_state > /sys/class/leds/${sysfs}/port_state
  76                         ;;
  77
  78                 "morse")
  79                         echo $message > /sys/class/leds/${sysfs}/message
  80                         echo $delay > /sys/class/leds/${sysfs}/delay
  81                         ;;
  82
  83                 switch[0-9]*)
  84                         local port_mask
  85
  86                         config_get port_mask $1 port_mask
  87                         [ -n "$port_mask" ] && \
  88                                 echo $port_mask > /sys/class/leds/${sysfs}/port_mask
  89                         ;;
  90                 esac
  91         }
  92 }
  93
  94 start() {
  95         [ -e /sys/class/leds/ ] && {
  96                 config_load system
  97                 config_foreach load_led led
  98         }
  99 }