package/base-files/files/lib/functions/leds.sh

   1 #!/bin/sh
   2 # Copyright (C) 2013 OpenWrt.org
   3
   4 get_dt_led() {
   5         local label
   6         local ledpath
   7         local basepath="/proc/device-tree"
   8         local nodepath="$basepath/aliases/led-$1"
   9
  10         [ -f "$nodepath" ] && ledpath=$(cat "$nodepath")
  11         [ -n "$ledpath" ] && label=$(cat "$basepath$ledpath/label")
  12
  13         echo "$label"
  14 }
  15
  16 led_set_attr() {
  17         [ -f "/sys/class/leds/$1/$2" ] && echo "$3" > "/sys/class/leds/$1/$2"
  18 }
  19
  20 led_timer() {
  21         led_set_attr $1 "trigger" "timer"
  22         led_set_attr $1 "delay_on" "$2"
  23         led_set_attr $1 "delay_off" "$3"
  24 }
  25
  26 led_on() {
  27         led_set_attr $1 "trigger" "none"
  28         led_set_attr $1 "brightness" 255
  29 }
  30
  31 led_off() {
  32         led_set_attr $1 "trigger" "none"
  33         led_set_attr $1 "brightness" 0
  34 }
  35
  36 status_led_set_timer() {
  37         led_timer $status_led "$1" "$2"
  38         [ -n "$status_led2" ] && led_timer $status_led2 "$1" "$2"
  39 }
  40
  41 status_led_set_heartbeat() {
  42         led_set_attr $status_led "trigger" "heartbeat"
  43 }
  44
  45 status_led_on() {
  46         led_on $status_led
  47         [ -n "$status_led2" ] && led_on $status_led2
  48 }
  49
  50 status_led_off() {
  51         led_off $status_led
  52         [ -n "$status_led2" ] && led_off $status_led2
  53 }
  54
  55 status_led_blink_slow() {
  56         led_timer $status_led 1000 1000
  57 }
  58
  59 status_led_blink_fast() {
  60         led_timer $status_led 100 100
  61 }
  62
  63 status_led_blink_preinit() {
  64         led_timer $status_led 100 100
  65 }
  66
  67 status_led_blink_failsafe() {
  68         led_timer $status_led 50 50
  69 }
  70
  71 status_led_blink_preinit_regular() {
  72         led_timer $status_led 200 200
  73 }