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index.js
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index.js
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const mqtt = require("mqtt");
const ping = require("ping");
const packageJson = require('./package.json');
const PLUGIN_NAME = 'homebridge-mq-tv';
const PLATFORM_NAME = 'MqttTelevision';
module.exports = (api) => {
api.registerPlatform(PLATFORM_NAME, TVPlatform);
}
class TVPlatform {
constructor(log, config, api) {
this.log = log;
this.config = config;
this.api = api;
this.Service = api.hap.Service;
this.Characteristic = api.hap.Characteristic;
// get the name
const tvName = this.config.name || 'MQTT TV';
// get mqtt details
var mqttCfg = config["mqtt"];
var mqttHost = "mqtt://" + (mqttCfg && mqttCfg['server'] || "127.0.0.1") + ":" + (mqttCfg && mqttCfg['port'] || "1883");
var mqttUsername = mqttCfg && mqttCfg['username'] || "";
var mqttPassword = mqttCfg && mqttCfg['password'] || "";
const inputList = this.config.inputs || [];
this.pinghost = config.pinghost;
this.model = config.tv && config.tv.mode || "Sony Bravia";
var mqttOptions = {
clientId: 'mqtt_tv_' + Math.random().toString(16).substring(2, 8),
username: mqttUsername,
password: mqttPassword
};
const setActiveTopic = this.config.setActive || "";
const getActiveTopic = this.config.getActive || "";
const setActiveInputTopic = this.config.setActiveInput || "";
const getActiveInputTopic = this.config.getActiveInput || "";
const setRemoteKeyTopic = this.config.setRemoteKey || "";
const settingsTopic = this.config.settingsTopic || "";
const infoTopic = this.config.infoTopic || "";
// generate a UUID
const uuid = this.api.hap.uuid.generate('homebridge:mq-tv-' + tvName);
// create the accessory
this.tvAccessory = new api.platformAccessory(tvName, uuid);
// set the accessory category
this.tvAccessory.category = this.api.hap.Categories.TELEVISION;
// add the tv service
const tvService = this.tvAccessory.addService(this.Service.Television);
tvService.setCharacteristic(this.Characteristic.Manufacturer, packageJson.name);
tvService.setCharacteristic(this.Characteristic.Model, this.model);
tvService.setCharacteristic(this.Characteristic.SerialNumber, packageJson.version);
// set the tv name
tvService.setCharacteristic(this.Characteristic.ConfiguredName, tvName);
tvService.setCharacteristic(this.Characteristic.ActiveIdentifier, 1);
// set sleep discovery characteristic
tvService.setCharacteristic(this.Characteristic.SleepDiscoveryMode, this.Characteristic.SleepDiscoveryMode.ALWAYS_DISCOVERABLE);
var that = this;
try {
this.mqttClient = mqtt.connect(mqttHost, mqttOptions);
this.mqttClient.publish(getActiveInputTopic, "");
this.mqttClient.subscribe(settingsTopic);
this.mqttClient.subscribe(infoTopic);
this.mqttClient.subscribe(getActiveInputTopic);
if (this.pinghost) {
this.mqttClient.publish(settingsTopic, "DISABLE_STATUS_CHECK");
setInterval(() => {
ping.promise.probe(this.pinghost.ip)
.then(function (res, err) {
var ping_resp = 0;
if (res.alive) {
ping_resp = 1;
}
tvService
.getCharacteristic(Characteristic.Active).updateValue(ping_resp);
that.mqttClient.publish(getActiveTopic, ping_resp.toString());
});
}, this.pinghost.interval || 30000);
} else {
this.mqttClient.subscribe(getActiveTopic);
}
} catch (e) {
this.log.error('Error connecting to MQTT/ping:' + e.toString());
};
this.mqttClient.on('message', (topic, message) => {
if (topic == getActiveTopic) {
var msg = parseInt(message.toString());
tvService.updateCharacteristic(this.Characteristic.Active, msg);
}
if (topic == settingsTopic) {
var msg = message.toString();
if (msg == "") {
this.log.info('Settings requested!');
if (this.pinghost) {
this.mqttClient.publish(settingsTopic, "DISABLE_STATUS_CHECK");
}
}
}
if (topic == infoTopic) {
var msg = message.toString();
this.log.info('TV connected: ' + msg);
}
if (topic == getActiveInputTopic) {
var activeInput = message.toString();
if (activeInput != "") {
for (var i = 0; i < inputList.length; i++) {
if (inputList[i]['value'] == activeInput) {
tvService.getCharacteristic(this.Characteristic.ActiveIdentifier).updateValue(i + 1);
break;
}
}
} else {
var val_index = tvService.getCharacteristic(this.Characteristic.ActiveIdentifier).value;
this.mqttClient.publish(getActiveInputTopic, inputList[val_index - 1]['value']);
}
}
});
// handle on / off events using the Active(POWER) characteristic
tvService.getCharacteristic(this.Characteristic.Active)
.onSet((newValue) => {
if (newValue != tvService.getCharacteristic(this.Characteristic.Active.value)) {
this.mqttClient.publish(setActiveTopic, newValue.toString());
}
});
// handle input source changes
tvService.getCharacteristic(this.Characteristic.ActiveIdentifier)
.onSet((newValue) => {
this.mqttClient.publish(setActiveInputTopic, inputList[newValue - 1]['value']);
});
// handle remote control input
tvService.getCharacteristic(this.Characteristic.RemoteKey)
.onSet((newValue) => {
switch (newValue) {
case this.Characteristic.RemoteKey.REWIND: {
this.mqttClient.publish(setRemoteKeyTopic, 'REWIND');
break;
}
case this.Characteristic.RemoteKey.FAST_FORWARD: {
this.mqttClient.publish(setRemoteKeyTopic, 'FORWARD');
break;
}
case this.Characteristic.RemoteKey.NEXT_TRACK: {
this.mqttClient.publish(setRemoteKeyTopic, 'NEXT_TRACK');
break;
}
case this.Characteristic.RemoteKey.PREVIOUS_TRACK: {
this.mqttClient.publish(setRemoteKeyTopic, 'PREVIOUS_TRACK');
break;
}
case this.Characteristic.RemoteKey.ARROW_UP: {
this.mqttClient.publish(setRemoteKeyTopic, 'UP');
break;
}
case this.Characteristic.RemoteKey.ARROW_DOWN: {
this.mqttClient.publish(setRemoteKeyTopic, 'DOWN');
break;
}
case this.Characteristic.RemoteKey.ARROW_LEFT: {
this.mqttClient.publish(setRemoteKeyTopic, 'LEFT');
break;
}
case this.Characteristic.RemoteKey.ARROW_RIGHT: {
this.mqttClient.publish(setRemoteKeyTopic, 'RIGHT');
break;
}
case this.Characteristic.RemoteKey.SELECT: {
this.mqttClient.publish(setRemoteKeyTopic, 'SELECT');
break;
}
case this.Characteristic.RemoteKey.BACK: {
this.mqttClient.publish(setRemoteKeyTopic, 'BACK');
break;
}
case this.Characteristic.RemoteKey.EXIT: {
this.mqttClient.publish(setRemoteKeyTopic, 'EXIT');
break;
}
case this.Characteristic.RemoteKey.PLAY_PAUSE: {
this.mqttClient.publish(setRemoteKeyTopic, 'KEY_PLAY_PAUSE');
break;
}
case this.Characteristic.RemoteKey.INFORMATION: {
this.mqttClient.publish(setRemoteKeyTopic, 'INFO');
break;
}
}
});
/**
* Create a speaker service to allow volume control
*/
const speakerService = this.tvAccessory.addService(this.Service.TelevisionSpeaker);
speakerService
.setCharacteristic(this.Characteristic.Active, this.Characteristic.Active.ACTIVE)
.setCharacteristic(this.Characteristic.VolumeControlType, this.Characteristic.VolumeControlType.ABSOLUTE);
// handle volume control
speakerService.getCharacteristic(this.Characteristic.VolumeSelector)
.onSet((newValue) => {
var val = "VOLUME_UP";
if (newValue == 1) {
val = "VOLUME_DOWN";
}
this.mqttClient.publish(setRemoteKeyTopic, val);
});
// handle mute
speakerService.getCharacteristic(this.Characteristic.Mute)
.onSet((newValue) => {
var val = "MUTE";
this.mqttClient.publish(setRemoteKeyTopic, val);
});
/**
* Create TV Input Source Services
* These are the inputs the user can select from.
* When a user selected an input the corresponding Identifier Characteristic
* is sent to the TV Service ActiveIdentifier Characteristic handler.
*/
const activeServices = {};
for (var i = 0; i < inputList.length; i++) {
var val = inputList[i]['value'].toString();
activeServices[val] = this.tvAccessory.addService(this.Service.InputSource, inputList[i]['value'].toString(), inputList[i]['name'].toString());
activeServices[val]
.setCharacteristic(this.Characteristic.Identifier, i + 1)
.setCharacteristic(this.Characteristic.ConfiguredName, inputList[i]['name'].toString())
.setCharacteristic(this.Characteristic.IsConfigured, this.Characteristic.IsConfigured.CONFIGURED)
.setCharacteristic(this.Characteristic.InputSourceType, this.Characteristic.InputSourceType.HDMI);
tvService.addLinkedService(activeServices[val]);
}
/**
* Publish as external accessory
* Only one TV can exist per bridge, to bypass this limitation, you should
* publish your TV as an external accessory.
*/
this.api.publishExternalAccessories(PLUGIN_NAME, [this.tvAccessory]);
}
}