1 # Copyright (C) 2013 OpenWrt.org
5 local basepath
="/proc/device-tree"
6 local nodepath
="$basepath/aliases/led-$1"
8 [ -f "$nodepath" ] && ledpath
=$
(cat "$nodepath")
9 [ -n "$ledpath" ] && ledpath
="$basepath$ledpath"
14 get_dt_led_color_func
() {
20 [ -e "$1/function" ] && func
=$
(cat "$1/function")
21 [ -e "$1/color" ] && idx
=$
((0x$
(hexdump -n 4 -e '4/1 "%02x"' "$1/color")))
22 [ -e "$1/function-enumerator" ] && \
23 enum
=$
((0x$
(hexdump -n 4 -e '4/1 "%02x"' "$1/function-enumerator")))
25 [ -z "$idx" ] && [ -z "$func" ] && return 2
27 if [ -n "$idx" ]; then
28 for color
in "white" "red" "green" "blue" "amber" \
29 "violet" "yellow" "ir" "multicolor" "rgb" \
30 "purple" "orange" "pink" "cyan" "lime"
32 [ $idx -eq 0 ] && label
="$color" && break
38 [ -n "$enum" ] && label
="$label-$enum"
46 local ledpath
=$
(get_dt_led_path
$1)
48 [ -n "$ledpath" ] && \
49 label
=$
(cat "$ledpath/label" 2>/dev
/null
) || \
50 label
=$
(cat "$ledpath/chan-name" 2>/dev
/null
) || \
51 label
=$
(get_dt_led_color_func
"$ledpath") || \
52 label
=$
(basename "$ledpath")
58 [ -f "/sys/class/leds/$1/$2" ] && echo "$3" > "/sys/class/leds/$1/$2"
62 led_set_attr
$1 "trigger" "timer"
63 led_set_attr
$1 "delay_on" "$2"
64 led_set_attr
$1 "delay_off" "$3"
68 led_set_attr
$1 "trigger" "none"
69 led_set_attr
$1 "brightness" 255
73 led_set_attr
$1 "trigger" "none"
74 led_set_attr
$1 "brightness" 0
77 status_led_restore_trigger
() {
79 local ledpath
=$
(get_dt_led_path
$1)
81 [ -n "$ledpath" ] && \
82 trigger
=$
(cat "$ledpath/linux,default-trigger" 2>/dev
/null
)
84 [ -n "$trigger" ] && \
85 led_set_attr
"$(get_dt_led $1)" "trigger" "$trigger"
88 status_led_set_timer
() {
89 led_timer
$status_led "$1" "$2"
90 [ -n "$status_led2" ] && led_timer
$status_led2 "$1" "$2"
93 status_led_set_heartbeat
() {
94 led_set_attr
$status_led "trigger" "heartbeat"
99 [ -n "$status_led2" ] && led_on
$status_led2
104 [ -n "$status_led2" ] && led_off
$status_led2
107 status_led_blink_slow
() {
108 led_timer
$status_led 1000 1000
111 status_led_blink_fast
() {
112 led_timer
$status_led 100 100
115 status_led_blink_preinit
() {
116 led_timer
$status_led 100 100
119 status_led_blink_failsafe
() {
120 led_timer
$status_led 50 50
123 status_led_blink_preinit_regular
() {
124 led_timer
$status_led 200 200