105 lines
3.1 KiB
JavaScript
105 lines
3.1 KiB
JavaScript
/**
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* philips_hue.js
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* Basic functionality for accessing a Philips Hue wireless Lamp
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* Allows for bridge/gateway detection and light scanning.
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* Requires node-hue-api https://github.com/peter-murray/node-hue-api
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* Copyright 2013 Charalampos Doukas - @BuildingIoT
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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**/
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//Require node-hue-api
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var hue = require("node-hue-api");
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var HueApi = require("node-hue-api").HueApi;
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// Require main module
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var RED = require(process.env.NODE_RED_HOME+"/red/red");
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//store the IP address of the Hue Gateway
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var gw_ipaddress = "";
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var username;
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// The main node definition - most things happen in here
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function HueNodeDiscovery(n) {
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// Create a RED node
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RED.nodes.createNode(this,n);
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var node = this;
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//get username from user input
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this.username = n.username;
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// Store local copies of the node configuration (as defined in the .html)
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this.topic = n.topic;
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this.on("input", function(msg){
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//start with detecting the IP address of the Hue gateway in the local network:
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hue.locateBridges(function(err, result) {
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var msg = {};
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if (err) { throw err; }
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//check for found bridges
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if(result[0]!=null) {
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//save the IP address of the 1st bridge found
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this.gw_ipaddress = result[0].ipaddress;
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msg.payload = this.gw_ipaddress;
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//get light info:
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var api = new HueApi(this.gw_ipaddress, node.username);
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api.lights(function(err, lights) {
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var msg2 = {};
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if (err) { throw err; }
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var lights_discovered = JSON.stringify(lights, null, 2);
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msg2.topic = "Lights";
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msg2.payload = lights_discovered;
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node.send([msg, msg2]);
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});
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}
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else {
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//bridge not found:
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msg = {};
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msg.payload = "Bridge not found!";
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node.send(msg);
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}
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});
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});
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this.on("close", function() {
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// Called when the node is shutdown - eg on redeploy.
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// Allows ports to be closed, connections dropped etc.
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// eg: this.client.disconnect();
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});
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}
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//hue debugging on the output:
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var displayResult = function(result) {
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console.log(result);
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};
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var displayError = function(err) {
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console.error(err);
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};
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// Register the node by name. This must be called before overriding any of the
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// Node functions.
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RED.nodes.registerType("Discover",HueNodeDiscovery);
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