From d1bd7347ab8b865797eb51139163082db062721e Mon Sep 17 00:00:00 2001
From: Ivan Mikhaylov <ivan.mikhaylov@siemens.com>
Date: Mon, 1 Aug 2022 11:41:57 -0400
Subject: [PATCH] mraa-gpio-led: add led

This patch introduces LED node in GPIO category.

Signed-off-by: zengchao <chao.zeng@siemens.com>
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Ivan Mikhaylov <ivan.mikhaylov@siemens.com>
---
 hardware/intel/mraa-gpio-led.html | 77 +++++++++++++++++++++++++++++
 hardware/intel/mraa-gpio-led.js   | 82 +++++++++++++++++++++++++++++++
 hardware/intel/package.json       |  3 +-
 3 files changed, 161 insertions(+), 1 deletion(-)
 create mode 100644 hardware/intel/mraa-gpio-led.html
 create mode 100644 hardware/intel/mraa-gpio-led.js

diff --git a/hardware/intel/mraa-gpio-led.html b/hardware/intel/mraa-gpio-led.html
new file mode 100644
index 00000000..66c0c19c
--- /dev/null
+++ b/hardware/intel/mraa-gpio-led.html
@@ -0,0 +1,77 @@
+
+<script type="text/javascript">
+    RED.nodes.registerType('mraa-gpio-led',{
+        category: 'GPIO',
+        color: '#a6bbcf',
+        paletteLabel: 'led',
+        defaults: {
+            name: {value:""},
+            pin:  {value:"", required: true},
+        },
+        inputs:1,
+        outputs:0,
+        icon: "arrow.png",
+        align: "right",
+        label: function() {
+            return this.name || "led";
+        },
+        labelStyle: function() {
+            return this.name?"node_label_italic":"";
+        },
+        oneditprepare: function() {
+            var pinnow = this.pin;
+            $.getJSON('mraa-gpio/'+this.id,function(data) {
+                var t = "unknown";
+                if (data === 0) { t = "Galileo v1"; }
+                if (data === 1) { t = "Galileo v2"; }
+                if (data === 2) { t = "Edison Fab C"; }
+                if (data === 3) { t = "DE3813 Baytrail"; }
+                if (data === 4) { t = "Minnow Max"; }
+                if (data === 5) { t = "Raspberry Pi"; }
+                if (data === 6) { t = "Beaglebone"; }
+                if (data === 7) { t = "Banana"; }
+                if (data === 25) { t = "IOT2050"; }
+                $('#btype').text(t);
+                $('#node-input-pin').val(pinnow);
+            });
+            $.getJSON('mraa-version/'+this.id,function(data) {
+                $('#ver-tip').text(data);
+            });
+
+            var setstate = function () {
+                if ($('#node-input-set').is(":checked")) {
+                    $("#node-set-state").show();
+                } else {
+                    $("#node-set-state").hide();
+                }
+            };
+            $("#node-input-set").change(function () { setstate(); });
+            setstate();
+        }
+    });
+</script>
+
+<script type="text/x-red" data-template-name="mraa-gpio-led">
+    <div class="form-row">
+        <label for="node-input-pin"><i class="fa fa-circle"></i> Led</label>
+        <select type="text" id="node-input-pin" style="width: 250px;">
+            <option value='' disabled selected style='display:none;'><span data-i18n="rpi-gpio.label.selectpin"></span></option>
+            <option value="0">User1 Led Green</option>
+            <option value="1">User1 Led Red</option>
+            <option value="2">User1 Led Orange</option>
+            <option value="3">User2 Led Green</option>
+            <option value="4">User2 Led Red</option>
+            <option value="5">User2 Led Orange</option>
+        </select>
+    </div>
+    <div class="form-row">
+        <label for="node-input-name"><i class="fa fa-tag"></i> Name</label>
+        <input type="text" id="node-input-name" placeholder="Name" style="width: 250px;">
+    </div>
+    <div class="form-tips">Board : <span id="btype">n/a</span><br/>mraa version : <span id="ver-tip">n/a</span></div>
+</script>
+
+<script type="text/x-red" data-help-name="mraa-gpio-led">
+    <p>Led Control for a board.</p>
+    <p>The <code>msg.payload</code> should contain the value 0 or 1.</p>
+</script>
diff --git a/hardware/intel/mraa-gpio-led.js b/hardware/intel/mraa-gpio-led.js
new file mode 100644
index 00000000..d809c64d
--- /dev/null
+++ b/hardware/intel/mraa-gpio-led.js
@@ -0,0 +1,82 @@
+module.exports = function(RED) {
+    var m = require('mraa');
+    function LEDNode(n) {
+        RED.nodes.createNode(this, n);
+        this.pin = Number(n.pin);
+        this.led0 = new m.Led(0); /*user-led1-green*/
+        this.led1 = new m.Led(1); /*user-led1-red*/
+        this.led2 = new m.Led(2); /*user-led2-green*/
+        this.led3 = new m.Led(3); /*user-led2-red*/
+        this.on("input", function(msg) {
+            if (msg.payload == "1") {
+                switch(this.pin)
+                {
+                    case 0: /*User0 Led Green*/
+                            this.led0.setBrightness(1);
+                        break;
+                    case 1: /*User0 Led Red*/
+                            this.led1.setBrightness(1);
+                        break;
+                    case 2: /*User0 Orange*/
+                            this.led0.setBrightness(1);
+                            this.led1.setBrightness(1);
+                        break;
+                    case 3: /*User1 Led Green*/
+                            this.led2.setBrightness(1);
+                        break;
+                    case 4: /*User1 Led Red*/
+                            this.led3.setBrightness(1);
+                        break;
+                    case 5: /*User1 Orange*/
+                            this.led2.setBrightness(1);
+                            this.led3.setBrightness(1);
+                        break;
+                    default:
+                        break;
+                }
+            }
+            else {
+                switch(this.pin)
+                {
+                    case 0: /*User1 Led Green*/
+                            this.led0.setBrightness(0);
+                        break;
+                    case 1: /*User1 Led Red*/
+                            this.led1.setBrightness(0);
+                        break;
+                    case 2: /*User1 Orange*/
+                            this.led0.setBrightness(0);
+                            this.led1.setBrightness(0);
+                        break;
+                    case 3: /*User2 Led Green*/
+                            this.led2.setBrightness(0);
+                        break;
+                    case 4: /*User2 Led Red*/
+                            this.led3.setBrightness(0);
+                        break;
+                    case 5: /*User2 Orange*/
+                            this.led2.setBrightness(0);
+                            this.led3.setBrightness(0);
+                        break;
+                    default:
+                        break;
+                }
+            }
+        });
+        this.on('close', function() {
+            this.led0.close();
+            this.led1.close();
+            this.led2.close();
+            this.led3.close();
+        });
+    }
+    RED.nodes.registerType("mraa-gpio-led", LEDNode);
+
+    RED.httpAdmin.get('/mraa-gpio/:id', RED.auth.needsPermission('mraa-gpio.read'), function(req,res) {
+        res.json(m.getPlatformType());
+    });
+
+    RED.httpAdmin.get('/mraa-version/:id', RED.auth.needsPermission('mraa-version.read'), function(req,res) {
+        res.json(m.getVersion());
+    });
+}
diff --git a/hardware/intel/package.json b/hardware/intel/package.json
index 0d1c7d5b..0af217e7 100644
--- a/hardware/intel/package.json
+++ b/hardware/intel/package.json
@@ -16,7 +16,8 @@
             "mraa-gpio-ain": "mraa-gpio-ain.js",
             "mraa-gpio-din": "mraa-gpio-din.js",
             "mraa-gpio-dout": "mraa-gpio-dout.js",
-            "mraa-gpio-pwm": "mraa-gpio-pwm.js"
+	    "mraa-gpio-pwm": "mraa-gpio-pwm.js",
+            "mraa-gpio-led": "mraa-gpio-led.js"
         }
     },
     "author": {