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add home assistant shim
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Jon Maddox
301
platforms/HomeAssistant.js
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301
platforms/HomeAssistant.js
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@@ -0,0 +1,301 @@
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// Home Assistant
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//
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// Current Support: lights
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//
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// This is a shim to publish lights maintained by Home Assistant.
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// Home Assistant is an open-source home automation platform.
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// URL: http://home-assistant.io
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// GitHub: https://github.com/balloob/home-assistant
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//
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// Remember to add platform to config.json. Example:
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// "platforms": [
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// {
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// "platform": "HomeAssistant",
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// "name": "HomeAssistant",
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// "host": "http://192.168.1.50:8123",
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// "password": "xxx"
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// }
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// ]
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//
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// When you attempt to add a device, it will ask for a "PIN code".
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// The default code for all HomeBridge accessories is 031-45-154.
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var types = require("HAP-NodeJS/accessories/types.js");
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var url = require('url')
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var request = require("request");
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function HomeAssistantPlatform(log, config){
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// auth info
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this.host = config["host"];
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this.password = config["password"];
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this.log = log;
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}
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HomeAssistantPlatform.prototype = {
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_request: function(method, path, options, callback) {
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var self = this
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var requestURL = this.host + '/api' + path
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options = options || {}
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options.query = options.query || {}
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var reqOpts = {
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url: url.parse(requestURL),
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method: method || 'GET',
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qs: options.query,
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body: JSON.stringify(options.body),
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headers: {
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'Accept': 'application/json',
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'Content-Type': 'application/json',
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'x-ha-access': this.password
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}
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}
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request(reqOpts, function onResponse(error, response, body) {
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if (error) {
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callback(error, response)
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return
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}
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if (response.statusCode === 401) {
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callback(new Error('You are not authenticated'), response)
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return
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}
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json = JSON.parse(body)
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callback(error, response, json)
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})
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},
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accessories: function(callback) {
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this.log("Fetching HomeAssistant devices.");
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var that = this;
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var foundAccessories = [];
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var lightsRE = /^light\./i
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this._request('GET', '/states', {}, function(error, response, data){
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for (var i = 0; i < data.length; i++) {
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entity = data[i]
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if (entity.entity_id.match(lightsRE)) {
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accessory = new HomeAssistantAccessory(that.log, entity, that)
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foundAccessories.push(accessory)
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}
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}
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callback(foundAccessories)
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})
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}
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}
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function HomeAssistantAccessory(log, data, client) {
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// device info
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this.data = data
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this.entity_id = data.entity_id
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this.name = data.attributes.friendly_name
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this.client = client
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this.log = log;
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}
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HomeAssistantAccessory.prototype = {
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_callService: function(service, service_data, callback){
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var options = {}
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options.body = service_data
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this.client._request('POST', '/services/light/' + service, options, function(error, response, data){
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if (error) {
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callback(null)
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}else{
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callback(data)
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}
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})
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},
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_fetchState: function(callback){
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this.client._request('GET', '/states/' + this.entity_id, {}, function(error, response, data){
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if (error) {
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callback(null)
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}else{
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callback(data)
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}
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})
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},
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getPowerState: function(callback){
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this.log("fetching power state for: " + this.name);
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this._fetchState(function(data){
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if (data) {
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powerState = data.state == 'on'
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callback(powerState)
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}else{
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callback(null)
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}
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})
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},
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getBrightness: function(callback){
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this.log("fetching brightness for: " + this.name);
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that = this
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this._fetchState(function(data){
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if (data && data.attributes) {
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that.log('returned brightness: ' + data.attributes.brightness)
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brightness = ((data.attributes.brightness || 0) / 255)*100
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callback(brightness)
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}else{
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callback(null)
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}
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})
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},
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setPowerState: function(powerOn) {
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var that = this;
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var service_data = {}
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service_data.entity_id = this.entity_id
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if (powerOn) {
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this.log("Setting power state on the '"+this.name+"' to on");
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this._callService('turn_on', service_data, function(data){
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if (data) {
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that.log("Successfully set power state on the '"+that.name+"' to on");
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}
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})
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}else{
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this.log("Setting power state on the '"+this.name+"' to off");
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this._callService('turn_off', service_data, function(data){
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if (data) {
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that.log("Successfully set power state on the '"+that.name+"' to off");
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}
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})
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}
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},
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setBrightness: function(level) {
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var that = this;
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var service_data = {}
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service_data.entity_id = this.entity_id
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service_data.brightness = 255*(level/100.0)
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this.log("Setting brightness on the '"+this.name+"' to " + level);
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this._callService('turn_on', service_data, function(data){
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if (data) {
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that.log("Successfully set brightness on the '"+that.name+"' to " + level);
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}
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})
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},
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getServices: function() {
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var that = this;
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return [{
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sType: types.ACCESSORY_INFORMATION_STYPE,
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characteristics: [{
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cType: types.NAME_CTYPE,
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onUpdate: null,
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perms: ["pr"],
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format: "string",
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initialValue: this.name,
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supportEvents: false,
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supportBonjour: false,
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manfDescription: "Name of the accessory",
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designedMaxLength: 255
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},{
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cType: types.MANUFACTURER_CTYPE,
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onUpdate: null,
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perms: ["pr"],
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format: "string",
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initialValue: "HomeAssistant",
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supportEvents: false,
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supportBonjour: false,
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manfDescription: "Manufacturer",
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designedMaxLength: 255
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},{
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cType: types.MODEL_CTYPE,
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onUpdate: null,
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perms: ["pr"],
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format: "string",
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initialValue: "Rev-1",
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supportEvents: false,
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supportBonjour: false,
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manfDescription: "Model",
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designedMaxLength: 255
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},{
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cType: types.SERIAL_NUMBER_CTYPE,
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onUpdate: null,
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perms: ["pr"],
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format: "string",
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initialValue: "A1S2NASF88EW",
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supportEvents: false,
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supportBonjour: false,
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manfDescription: "SN",
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designedMaxLength: 255
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},{
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cType: types.IDENTIFY_CTYPE,
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onUpdate: null,
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perms: ["pw"],
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format: "bool",
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initialValue: false,
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supportEvents: false,
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supportBonjour: false,
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manfDescription: "Identify Accessory",
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designedMaxLength: 1
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}]
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},{
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sType: types.LIGHTBULB_STYPE,
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characteristics: [{
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cType: types.NAME_CTYPE,
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onUpdate: null,
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perms: ["pr"],
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format: "string",
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initialValue: this.name,
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supportEvents: true,
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supportBonjour: false,
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manfDescription: "Name of service",
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designedMaxLength: 255
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},{
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cType: types.POWER_STATE_CTYPE,
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onUpdate: function(value) {
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that.setPowerState(value);
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},
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onRead: function(callback) {
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that.getPowerState(function(powerState){
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callback(powerState);
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});
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},
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perms: ["pw","pr","ev"],
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format: "bool",
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initialValue: 0,
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supportEvents: true,
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supportBonjour: false,
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manfDescription: "Change the power state of the Bulb",
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designedMaxLength: 1
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},{
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cType: types.BRIGHTNESS_CTYPE,
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onUpdate: function(value) {
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that.setBrightness(value);
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},
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onRead: function(callback) {
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that.getBrightness(function(level){
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callback(level);
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});
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},
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perms: ["pw","pr","ev"],
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format: "int",
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initialValue: 0,
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supportEvents: true,
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supportBonjour: false,
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manfDescription: "Adjust Brightness of Light",
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designedMinValue: 0,
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designedMaxValue: 255,
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designedMinStep: 1,
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unit: "%"
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}]
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}];
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}
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}
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module.exports.accessory = HomeAssistantAccessory;
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module.exports.platform = HomeAssistantPlatform;
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