f476c9a745
GPIOs are exported as active high to the sysfs, hence the logic need to be
inverted.
Fixes: e66c47fb14 ("base-files: gpio switch: set output value with
direction")
Signed-off-by: Mathias Kresin <dev@kresin.me>
41 lines
794 B
Bash
Executable file
41 lines
794 B
Bash
Executable file
#!/bin/sh /etc/rc.common
|
|
# Copyright (C) 2015 OpenWrt.org
|
|
|
|
START=94
|
|
STOP=10
|
|
USE_PROCD=1
|
|
|
|
|
|
load_gpio_switch()
|
|
{
|
|
local name
|
|
local gpio_pin
|
|
local value
|
|
|
|
config_get gpio_pin "$1" gpio_pin
|
|
config_get name "$1" name
|
|
config_get value "$1" value 0
|
|
|
|
local gpio_path="/sys/class/gpio/gpio${gpio_pin}"
|
|
# export GPIO pin for access
|
|
[ -d "$gpio_path" ] || {
|
|
echo "$gpio_pin" >/sys/class/gpio/export
|
|
# we need to wait a bit until the GPIO appears
|
|
[ -d "$gpio_path" ] || sleep 1
|
|
}
|
|
# set the pin to output with high or low pin value
|
|
{ [ "$value" = "0" ] && echo "low" || echo "high"; } >"$gpio_path/direction"
|
|
}
|
|
|
|
service_triggers()
|
|
{
|
|
procd_add_reload_trigger "system"
|
|
}
|
|
|
|
start_service()
|
|
{
|
|
[ -e /sys/class/gpio/ ] && {
|
|
config_load system
|
|
config_foreach load_gpio_switch gpio_switch
|
|
}
|
|
}
|