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 ${name}"
  37                 [ "$default" != nil ] && {
  38                         [ $default -eq 1 ] &&
  39                                 echo 1 >/sys/class/leds/${sysfs}/brightness
  40                         [ $default -eq 1 ] ||
  41                                 echo 0 >/sys/class/leds/${sysfs}/brightness
  42                 }
  43                 echo $trigger > /sys/class/leds/${sysfs}/trigger 2> /dev/null
  44                 [ $? = 0 ] || {
  45                         echo >&2 "Skipping trigger '$trigger' for led '$name' due to missing kernel module"
  46                         return 1
  47                 }
  48                 case "$trigger" in
  49                 "netdev")
  50                         [ -n "$dev" ] && {
  51                                 echo $dev > /sys/class/leds/${sysfs}/device_name
  52                                 echo $mode > /sys/class/leds/${sysfs}/mode
  53                         }
  54                         ;;
  55
  56                 "timer")
  57                         [ -n "$delayon" ] && \
  58                                 echo $delayon > /sys/class/leds/${sysfs}/delay_on
  59                         [ -n "$delayoff" ] && \
  60                                 echo $delayoff > /sys/class/leds/${sysfs}/delay_off
  61                         ;;
  62
  63                 "usbdev")
  64                         [ -n "$dev" ] && {
  65                                 echo $dev > /sys/class/leds/${sysfs}/device_name
  66                                 echo $interval > /sys/class/leds/${sysfs}/activity_interval
  67                         }
  68                         ;;
  69
  70                 "port_state")
  71                         [ -n "$port_state" ] && \
  72                                 echo $port_state > /sys/class/leds/${sysfs}/port_state
  73                         ;;
  74
  75                 "morse")
  76                         echo $message > /sys/class/leds/${sysfs}/message
  77                         echo $delay > /sys/class/leds/${sysfs}/delay
  78                         ;;
  79
  80                 switch[0-9]*)
  81                         local port_mask
  82
  83                         config_get port_mask $1 port_mask
  84                         [ -n "$port_mask" ] && \
  85                                 echo $port_mask > /sys/class/leds/${sysfs}/port_mask
  86                         ;;
  87                 esac
  88         }
  89 }
  90
  91 start() {
  92         [ -e /sys/class/leds/ ] && {
  93                 config_load system
  94                 config_foreach load_led led
  95         }
  96 }