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         config_get gpio $1 gpio "0"
  30         config_get inverted $1 inverted "0"
  31
  32         if [ "$trigger" = "rssi" ]; then
  33                 # handled by rssileds userspace process
  34                 return
  35         fi
  36
  37         [ -e /sys/class/leds/${sysfs}/brightness ] && {
  38                 echo "setting up led ${name}"
  39
  40                 [ "$default" = 0 ] &&
  41                         echo 0 >/sys/class/leds/${sysfs}/brightness
  42
  43                 echo $trigger > /sys/class/leds/${sysfs}/trigger 2> /dev/null
  44                 ret="$?"
  45
  46                 [ $default = 1 ] &&
  47                         cat /sys/class/leds/${sysfs}/max_brightness > /sys/class/leds/${sysfs}/brightness
  48
  49                 [ $ret = 0 ] || {
  50                         echo >&2 "Skipping trigger '$trigger' for led '$name' due to missing kernel module"
  51                         return 1
  52                 }
  53                 case "$trigger" in
  54                 "netdev")
  55                         [ -n "$dev" ] && {
  56                                 echo $dev > /sys/class/leds/${sysfs}/device_name
  57                                 echo $mode > /sys/class/leds/${sysfs}/mode
  58                         }
  59                         ;;
  60
  61                 "timer")
  62                         [ -n "$delayon" ] && \
  63                                 echo $delayon > /sys/class/leds/${sysfs}/delay_on
  64                         [ -n "$delayoff" ] && \
  65                                 echo $delayoff > /sys/class/leds/${sysfs}/delay_off
  66                         ;;
  67
  68                 "usbdev")
  69                         [ -n "$dev" ] && {
  70                                 echo $dev > /sys/class/leds/${sysfs}/device_name
  71                                 echo $interval > /sys/class/leds/${sysfs}/activity_interval
  72                         }
  73                         ;;
  74
  75                 "port_state")
  76                         [ -n "$port_state" ] && \
  77                                 echo $port_state > /sys/class/leds/${sysfs}/port_state
  78                         ;;
  79
  80                 "morse")
  81                         echo $message > /sys/class/leds/${sysfs}/message
  82                         echo $delay > /sys/class/leds/${sysfs}/delay
  83                         ;;
  84
  85                 "gpio")
  86                         echo $gpio > /sys/class/leds/${sysfs}/gpio
  87                         echo $inverted > /sys/class/leds/${sysfs}/inverted
  88                         ;;
  89
  90                 switch[0-9]*)
  91                         local port_mask speed_mask
  92
  93                         config_get port_mask $1 port_mask
  94                         [ -n "$port_mask" ] && \
  95                                 echo $port_mask > /sys/class/leds/${sysfs}/port_mask
  96                         config_get speed_mask $1 speed_mask
  97                         [ -n "$speed_mask" ] && \
  98                                 echo $speed_mask > /sys/class/leds/${sysfs}/speed_mask
  99                         ;;
 100                 esac
 101         }
 102 }
 103
 104 start() {
 105         [ -e /sys/class/leds/ ] && {
 106                 local led
 107                 for led in /sys/class/leds/*; do
 108                         [ -e "$led/trigger" ] && echo "none" > "$led/trigger"
 109                         [ -e "$led/brightness" ] && echo "0" > "$led/brightness"
 110                 done
 111
 112                 config_load system
 113                 config_foreach load_led led
 114         }
 115 }