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

   1 #!/bin/sh
   2 # Copyright (C) 2007 OpenWrt.org
   3
   4 # This setup gives us 4.5 distinguishable states:
   5 #
   6 # Solid OFF:  Bootloader running, or kernel hung (timer task stalled)
   7 # Solid ON:   Kernel hung (timer task stalled)
   8 # 5Hz blink:  preinit
   9 # 10Hz blink: failsafe
  10 # Heartbeat:  normal operation
  11
  12 set_state() {
  13         case "$1" in
  14                 preinit)
  15                         [ -d /sys/class/leds/status ] && {
  16                                 echo timer >/sys/class/leds/status/trigger
  17                                 echo 100 >/sys/class/leds/status/delay_on
  18                                 echo 100 >/sys/class/leds/status/delay_off
  19                         }
  20                 ;;
  21                 failsafe)
  22                         [ -d /sys/class/leds/status ] && {
  23                                 echo timer >/sys/class/leds/status/trigger
  24                                 echo 50 >/sys/class/leds/status/delay_on
  25                                 echo 50 >/sys/class/leds/status/delay_off
  26                         }
  27                 ;;
  28                 done)
  29                         [ -d /sys/class/leds/status ] && {
  30                                 echo heartbeat >/sys/class/leds/status/trigger
  31                         }
  32                 ;;
  33         esac
  34 }