mirror of
https://git.openwrt.org/openwrt/openwrt.git
synced 2024-11-27 23:34:30 +00:00
e814acc599
The 'label' property in led node has been deprecated and we'd better to avoid using it. This patch allows us to extract DT OF LED name from the newly introduced LED properties "color", "function" and "function-enumerator". Signed-off-by: Shiji Yang <yangshiji66@qq.com>
126 lines
2.5 KiB
Bash
126 lines
2.5 KiB
Bash
# Copyright (C) 2013 OpenWrt.org
|
|
|
|
get_dt_led_path() {
|
|
local ledpath
|
|
local basepath="/proc/device-tree"
|
|
local nodepath="$basepath/aliases/led-$1"
|
|
|
|
[ -f "$nodepath" ] && ledpath=$(cat "$nodepath")
|
|
[ -n "$ledpath" ] && ledpath="$basepath$ledpath"
|
|
|
|
echo "$ledpath"
|
|
}
|
|
|
|
get_dt_led_color_func() {
|
|
local enum
|
|
local func
|
|
local idx
|
|
local label
|
|
|
|
[ -e "$1/function" ] && func=$(cat "$1/function")
|
|
[ -e "$1/color" ] && idx=$((0x$(hexdump -n 4 -e '4/1 "%02x"' "$1/color")))
|
|
[ -e "$1/function-enumerator" ] && \
|
|
enum=$((0x$(hexdump -n 4 -e '4/1 "%02x"' "$1/function-enumerator")))
|
|
|
|
[ -z "$idx" ] && [ -z "$func" ] && return 2
|
|
|
|
if [ -n "$idx" ]; then
|
|
for color in "white" "red" "green" "blue" "amber" \
|
|
"violet" "yellow" "ir" "multicolor" "rgb" \
|
|
"purple" "orange" "pink" "cyan" "lime"
|
|
do
|
|
[ $idx -eq 0 ] && label="$color" && break
|
|
idx=$((idx-1))
|
|
done
|
|
fi
|
|
|
|
label="$label:$func"
|
|
[ -n "$enum" ] && label="$label-$enum"
|
|
echo "$label"
|
|
|
|
return 0
|
|
}
|
|
|
|
get_dt_led() {
|
|
local label
|
|
local ledpath=$(get_dt_led_path $1)
|
|
|
|
[ -n "$ledpath" ] && \
|
|
label=$(cat "$ledpath/label" 2>/dev/null) || \
|
|
label=$(cat "$ledpath/chan-name" 2>/dev/null) || \
|
|
label=$(get_dt_led_color_func "$ledpath") || \
|
|
label=$(basename "$ledpath")
|
|
|
|
echo "$label"
|
|
}
|
|
|
|
led_set_attr() {
|
|
[ -f "/sys/class/leds/$1/$2" ] && echo "$3" > "/sys/class/leds/$1/$2"
|
|
}
|
|
|
|
led_timer() {
|
|
led_set_attr $1 "trigger" "timer"
|
|
led_set_attr $1 "delay_on" "$2"
|
|
led_set_attr $1 "delay_off" "$3"
|
|
}
|
|
|
|
led_on() {
|
|
led_set_attr $1 "trigger" "none"
|
|
led_set_attr $1 "brightness" 255
|
|
}
|
|
|
|
led_off() {
|
|
led_set_attr $1 "trigger" "none"
|
|
led_set_attr $1 "brightness" 0
|
|
}
|
|
|
|
status_led_restore_trigger() {
|
|
local trigger
|
|
local ledpath=$(get_dt_led_path $1)
|
|
|
|
[ -n "$ledpath" ] && \
|
|
trigger=$(cat "$ledpath/linux,default-trigger" 2>/dev/null)
|
|
|
|
[ -n "$trigger" ] && \
|
|
led_set_attr "$(get_dt_led $1)" "trigger" "$trigger"
|
|
}
|
|
|
|
status_led_set_timer() {
|
|
led_timer $status_led "$1" "$2"
|
|
[ -n "$status_led2" ] && led_timer $status_led2 "$1" "$2"
|
|
}
|
|
|
|
status_led_set_heartbeat() {
|
|
led_set_attr $status_led "trigger" "heartbeat"
|
|
}
|
|
|
|
status_led_on() {
|
|
led_on $status_led
|
|
[ -n "$status_led2" ] && led_on $status_led2
|
|
}
|
|
|
|
status_led_off() {
|
|
led_off $status_led
|
|
[ -n "$status_led2" ] && led_off $status_led2
|
|
}
|
|
|
|
status_led_blink_slow() {
|
|
led_timer $status_led 1000 1000
|
|
}
|
|
|
|
status_led_blink_fast() {
|
|
led_timer $status_led 100 100
|
|
}
|
|
|
|
status_led_blink_preinit() {
|
|
led_timer $status_led 100 100
|
|
}
|
|
|
|
status_led_blink_failsafe() {
|
|
led_timer $status_led 50 50
|
|
}
|
|
|
|
status_led_blink_preinit_regular() {
|
|
led_timer $status_led 200 200
|
|
}
|