From d65916047b44d6d157d88d15e8e3d92555c5e6f8 Mon Sep 17 00:00:00 2001
From: John Crispin <john@openwrt.org>
Date: Wed, 8 Jul 2015 14:25:52 +0000
Subject: base-files: implemented basic GPIO control

Internal GPIO pins are used for PoE passthrough setups in multi-port
routers. This patch implemnets control over this hardware feature for
Ubiquiti Nanostations and TP-Link CPE510.

Signed-off-by: Lars Kruse <lists@sumpfralle.de>

SVN-Revision: 46271
---
 .../base-files/files/lib/functions/uci-defaults.sh | 24 ++++++++++++++++++++++
 1 file changed, 24 insertions(+)

(limited to 'package/base-files/files/lib/functions')

diff --git a/package/base-files/files/lib/functions/uci-defaults.sh b/package/base-files/files/lib/functions/uci-defaults.sh
index 5a8809d..6577ecd 100644
--- a/package/base-files/files/lib/functions/uci-defaults.sh
+++ b/package/base-files/files/lib/functions/uci-defaults.sh
@@ -2,6 +2,7 @@
 # Copyright (C) 2011 OpenWrt.org
 
 UCIDEF_LEDS_CHANGED=0
+UCIDEF_GPIO_SWITCHES_CHANGED=0
 
 ucidef_set_led_netdev() {
 	local cfg="led_$1"
@@ -180,6 +181,29 @@ ucidef_commit_leds()
 	[ "$UCIDEF_LEDS_CHANGED" = "1" ] && uci commit system
 }
 
+ucidef_set_gpio_switch() {
+	local cfg="gpio_switch_$1"
+	local name="$2"
+	local gpio_pin="$3"
+	# use "0" as default value
+	local default="${4:-0}"
+
+	uci -q get "system.$cfg" && return 0
+
+	uci batch <<EOF
+set system.$cfg='gpio_switch'
+set system.$cfg.name='$name'
+set system.$cfg.gpio_pin='$gpio_pin'
+set system.$cfg.value='$default'
+EOF
+	UCIDEF_GPIO_SWITCHES_CHANGED=1
+}
+
+ucidef_commit_gpio_switches()
+{
+	[ "$UCIDEF_GPIO_SWITCHES_CHANGED" = "1" ] && uci commit system
+}
+
 ucidef_set_interface_loopback() {
 	uci batch <<EOF
 set network.loopback='interface'
-- 
cgit v1.1