1
0
mirror of https://github.com/node-red/node-red-nodes.git synced 2023-10-10 13:36:58 +02:00
node-red-nodes/hardware/hue/104-hue_manage.js

185 lines
5.3 KiB
JavaScript
Raw Normal View History

2013-11-28 23:52:26 +01:00
/**
* philips_hue.js
* Basic functionality for accessing and contolling a Philips Hue wireless Lamp
* Allows for bridge/gateway and light scanning, as well as Light ON/OFF/ALERT status update
* Requires node-hue-api https://github.com/peter-murray/node-hue-api
* 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.
**/
2013-11-28 23:52:26 +01:00
//Require node-hue-api
var hue = require("node-hue-api");
var HueApi = require("node-hue-api").HueApi;
// Require main module
2013-11-28 23:52:26 +01:00
var RED = require(process.env.NODE_RED_HOME+"/red/red");
//store the IP address of the Hue Gateway
var gw_ipaddress = "";
var username, lamp_status, lamp_id, color, brightness;
2013-11-28 23:52:26 +01:00
function hexToRgb(hex) {
var result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(hex);
return result ? {
r: parseInt(result[1], 16),
g: parseInt(result[2], 16),
b: parseInt(result[3], 16)
} : null;
}
function setLights(node, myMsg) {
var msg2 = {};
msg2.topic = this.topic;
//set light status
var api = new HueApi(node.gw_ipaddress, node.username);
var lightState = hue.lightState;
var state = lightState.create();
var status;
var lamp = -1;
//check for AUTO status (lamp settings set through node input)
if(node.lamp_status=="AUTO") {
var color;
var brightness;
//get lamp id from msg.lamp:
lamp = myMsg.lamp;
//get brightness:
brightness = myMsg.brightness;
//get colour either from msg.color or msg.topic
if(myMsg.color!=null && myMsg.color.length>0) {
color = myMsg.color;
}
else if(myMsg.topic!=null && myMsg.topic.length>0) {
color = myMsg.topic;
}
//check the payload for on/off/alert:
//case of ALERT:
if(myMsg.payload=="ALERT" || myMsg.payload=="alert"){
api.setLightState(lamp, state.alert()).then(displayResult).fail(displayError).done();
}
//case of ON:
if(myMsg.payload=="ON" || myMsg.payload=="on") {
api.setLightState(lamp, state.on().rgb(hexToRgb(color).r,hexToRgb(color).g,hexToRgb(color).b).brightness(brightness)).then(displayResult).fail(displayError).done();
}
else {
api.setLightState(lamp, state.off()).then(displayResult).fail(displayError).done();
}
}
else {
//set lamp according to node settings
if(node.lamp_status=="ON") {
api.setLightState(node.lamp_id, state.on().rgb(hexToRgb(node.color).r,hexToRgb(node.color).g,hexToRgb(node.color).b).brightness(node.brightness)).then(displayResult).fail(displayError).done();
} else {
api.setLightState(node.lamp_id, state.off()).then(displayResult).fail(displayError).done();
}
}
if(lamp!=-1) {
msg2.payload = 'Light with ID: '+lamp+ ' was set to '+myMsg.payload;
} else {
msg2.payload = 'Light with ID: '+node.lamp_id+ ' was set to '+node.lamp_status;
}
node.send(msg2);
}
2013-11-28 23:52:26 +01:00
// The main node definition - most things happen in here
function HueNode(n) {
// Create a RED node
RED.nodes.createNode(this,n);
var node = this;
2013-11-28 23:52:26 +01:00
//get parameters from user
this.username = n.username;
this.lamp_status = n.lamp_status;
this.lamp_id = n.lamp_id;
this.gw_ipaddress = n.ip_address;
2013-11-28 23:52:26 +01:00
this.color = n.color;
this.brightness = n.brightness;
// Store local copies of the node configuration (as defined in the .html)
this.topic = n.topic;
2013-11-28 23:52:26 +01:00
2013-11-28 23:52:26 +01:00
var msg = {};
msg.topic = this.topic;
2013-11-28 23:52:26 +01:00
this.on("input", function(msg){
var myMsg = msg;
//set the lamp status
if (this.gw_ipaddress) {
setLights(node, myMsg);
} else {
//first locate the Hue gateway:
hue.locateBridges(function(err, result) {
if (err) { throw err; }
//check for found bridges
if(result[0]!=null) {
//save the IP address of the 1st bridge found
this.gw_ipaddress = result[0].ipaddress;
setLights(node, myMsg);
2013-11-28 23:52:26 +01:00
}
else {
//bridge not found:
var msg = {};
msg.payload = "Bridge not found!";
node.send(msg);
2013-11-28 23:52:26 +01:00
}
});
}
2013-11-28 23:52:26 +01:00
});
2013-11-28 23:52:26 +01:00
this.on("close", function() {
// Called when the node is shutdown - eg on redeploy.
// Allows ports to be closed, connections dropped etc.
// eg: this.client.disconnect();
});
}
//hue debugging on the output:
var displayResult = function(result) {
console.log(result);
};
var displayError = function(err) {
console.error(err);
};
2013-11-28 23:52:26 +01:00
// Register the node by name. This must be called before overriding any of the
// Node functions.
RED.nodes.registerType("HueNode",HueNode);