ambilight/examples/controlHUEs.js

An API library for Node.js that interacts with a Philips Ambilight TV.

var ambilight = require('../'),
    expect = require("chai").expect,
    hue_api = require("node-hue-api"),
    HueApi = hue_api.HueApi,
    testValues = {"host": "192.168.0.13", "username": "285f8c2185732b733d90dde40fe2c3"},
    c = require('colors'),
    pJ = require('prettyjson'),
    bLightsOn = false,
    _TIMEOUT = 500,
    _GOTO_BED = 50000,
    getMeasuredLight = function (obj, light) {
      for (var o in obj) {
        if (o == light) {
          return obj[o];
        }
      }
    },
    controlHUE = function (measured) {
      if (measured && expect(measured.layer1).to.be.an('object')) {
        // I have two HUE Lights (1 and 2)
        var state1, state2;
        var states = hue_api.lightState;

        if (!bLightsOn) {
          console.log("");
          console.log("Ambilight Server is up and runnging ...".green);
          bLightsOn = !bLightsOn;
          state1 = states.create().on();
          state2 = states.create().on();

          hue.setLightState(1, state1);
          hue.setLightState(2, state2);
        }

        // set the left HUE to the value of the lower left ambilight values  (4)
        // and the right HUE to the values of the middle ambilight values (2)
        var color1 = getMeasuredLight(measured.layer1.left, 4);
        var color2 = getMeasuredLight(measured.layer1.right, 2);
        // console.log("1:" + JSON.stringify(color1) + ", :" + JSON.stringify(color2) + "\n--");
        state1 = states.create().transition(_TIMEOUT / 1000).rgb(color1.r, color1.g, color1.b);
        state2 = states.create().transition(_TIMEOUT / 1000).rgb(color2.r, color2.g, color2.b);

        hue.setLightState(1, state1);
        hue.setLightState(2, state2);
      }
    },
    host = "192.168.0.11", // Ambilight TV
    ambi = new ambilight.AmbilightApi(host),
    hue = new HueApi(testValues.host, testValues.username); // HUE Bridge

hue.getVersion().then(function (result) {
  console.log("HUE Connection: \r\n".yellow + pJ.render(result));
}).done();

ambi.getSystemName().then(function (result) {
  console.log("Ambilight TV Connection: ".yellow + pJ.render(result));
}).
    then(ambi.getSystemSoftwareversion().then(function (result) {
      console.log("Ambilight TV Connection: ".yellow + pJ.render(result));
    })).
    then(ambi.getSystemModel().then(function (result) {
      console.log("Ambilight TV Connection: ".yellow + pJ.render(result));
    })).
    then(ambi.getSystemSerialnumber().then(function (result) {
      console.log("Ambilight TV Connection: ".yellow + pJ.render(result));
    })).
    done();

// Using a Promise
setInterval(function () {
  ambi.getProcessed()
      .then(controlHUE)
      .catch(function (error) {
        // we got logged off, Ambilight is down, so the TV is down,
        // turn off hues in 50 seconds and go to bed,
        // forever will find when the TV is back on hueston
        var states = hue_api.lightState;
        hue.setLightState(1, states.create().transition(60).off());
        hue.setLightState(2, states.create().transition(60).off());
        setTimeout(function () {
          hue.setLightState(1, states.create().off());
          hue.setLightState(2, states.create().off());
        }, _GOTO_BED);
        console.log("HUEston has a problem.");
      })
      .done();
}, _TIMEOUT);