Merge pull request #3 from hdoukas/master

Added scanBLE node under hardware->scanBLE

hardware/scanBLE/101-scanBLE.html

@@ -0,0 +1,61 @@
+<!--
+  Copyright 2013 Charalampos Doukas.
+ 
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+ 
+  http://www.apache.org/licenses/LICENSE-2.0
+ 
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+
+
+-->
+
+<script type="text/x-red" data-template-name="scanBLE">
+  <div class="form-row">
+     <label for="node-input-topic"><i class="icon-tasks"></i> BLE Device name</label>
+    <input type="text" id="node-input-ble_name" placeholder="XXX">
+  </div>
+
+  <div class="form-row">
+     <label for="node-input-topic"><i class="icon-tasks"></i> UUID</label>
+    <input type="text" id="node-input-ble_uuid" placeholder="UUID">
+  </div>
+ 
+  <div class="form-row">
+    <label for="node-input-name"><i class="icon-tag"></i> Name</label>
+    <input type="text" id="node-input-name" placeholder="Name">
+  </div>
+</script>
+ 
+<!-- Next, some simple help text is provided for the node.                   -->
+<script type="text/x-red" data-help-name="scanBLE">
+    <p>Scans for a specific BLE Device</p>
+</script>
+ 
+<!-- Finally, the node type is registered along with all of its properties   -->
+<script type="text/javascript">
+    RED.nodes.registerType('scanBLE',{
+        category: 'advanced-input',      // the palette category
+        color:"#0076d6",
+        defaults: {             // defines the editable properties of the node
+            name: {value:""},   //  along with default values.
+            ble_name: {value:"", required:true},
+	    ble_uuid: {value: "", required:true}
+        },
+        inputs:1,                // set the number of inputs - only 0 or 1
+        outputs:1,               // set the number of outputs - 0 to n
+        icon: "arrow-in.png",    // set the icon (held in public/icons)
+        label: function() {      // sets the default label contents
+            return this.name||this.topic||"scanBLE";
+        },
+        labelStyle: function() { // sets the class to apply to the label
+            return this.name?"node_label_italic":"";
+        }
+    });
+</script>

hardware/scanBLE/101-scanBLE.js

@@ -0,0 +1,76 @@
+/**
+ * scanBLE.js
+ * Scans for a specific Bluetooth 4 (BLE) Device (by Name and UUID)
+ * Returns the Name the of Device when found and stops scanning
+ * Requires Noble: https://github.com/sandeepmistry/noble
+ * Copyright 2013 Charalampos Doukas - @BuildingIoT
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ **/
+
+
+//might need to modify accordingly
+var RED = require("../../red/red");
+
+//import noble
+var noble = require('noble');
+
+// The main node definition - most things happen in here
+function Scan(n) {      
+    // Create a RED node
+    RED.nodes.createNode(this,n);
+
+    var msg = {};
+    var ble_name; 
+    var node = this;    
+ 
+    //get name and uuid from user
+    this.ble_name = n.ble_name;
+    this.ble_uuid = n.ble_uuid;
+
+  this.on("input", function(msg){
+	noble.startScanning();
+  });
+  noble.on('scanStart', function(msg) {
+	var msg = {};
+    	msg.topic = node.topic;
+    	msg.payload = "Scanning initiated..." //debugging
+	//console.log('scanning initiated...');
+	node.send(msg);
+  });
+
+  noble.on('discover', function(peripheral) {
+
+		var msg = {};
+        	msg.topic = node.topic;
+		msg.payload = "not found";
+        	
+		//check for the device name and the UUID (first one from the UUID list)
+		if(peripheral.advertisement.localName==node.ble_name && peripheral.advertisement.serviceUuids[0]==node.ble_uuid) {
+			msg.payload=peripheral.advertisement.localName;
+			noble.stopScanning(); }
+		node.send(msg);
+});
+
+
+}
+
+// Register the node by name. This must be called before overriding any of the
+// Node functions.
+RED.nodes.registerType("scanBLE", Scan);
+
+
+Scan.prototype.close = function() {
+
+}
+