target/linux/ar7/base-files/etc/diag.sh

   1 #!/bin/sh
   2 # Copyright (C) 2007-2013 OpenWrt.org
   3
   4 # This setup gives us 4.5 distinguishable states:
   5 #
   6 # (1-LED) Solid OFF:    Bootloader running, or kernel hung (timer task stalled)
   7 # (1-LED) Solid ON:     Kernel hung (timer task stalled)
   8 # (2-LED) Solid RED:    Bootloader running, or kernel hung (timer task stalled)
   9 # (2-LED) Solid YELLOW: Kernel hung (timer task stalled)
  10 # 5Hz blink:            preinit
  11 # 10Hz blink:           failsafe
  12 # (1-LED) Heartbeat:    normal operation
  13 # (2-LED) Solid GREEN:  normal operation
  14
  15 . /lib/functions/leds.sh
  16
  17 get_status_led() {
  18         [ -d "/sys/class/leds/status" ] && status_led="status"
  19         [ -d "/sys/class/leds/power:green" ] && status_led="power:green"
  20 }
  21
  22 set_state() {
  23         get_status_led
  24
  25         case "$1" in
  26         preinit)
  27                 status_led_set_timer 100 100
  28                 ;;
  29         failsafe)
  30                 status_led_set_timer 50 50
  31                 ;;
  32         done)
  33                 [ "$status_led" = "status" ] && {
  34                         status_led_set_heartbeat
  35                 }
  36                 [ "$status_led" = "power:green" ] && {
  37                         status_led_set_on
  38                         led_off "power:red"
  39                 }
  40                 ;;
  41         esac
  42 }