Control an Elgato Avea Bulb with a Puck.JS

puck-avea.js

/**
 * Control an Elgato Avea Bulb:
 * 
 * Single click - toggle on/off
 * Double click - cycle through three brightness levels
 *
 * License: MIT
 * (c) 2019 Olav Schettler <olav@schettler.net>
 */
var values = [
  [ 0x57, 0xff, 0x3 ],
  [ 0x57, 0xff, 0x7 ],
  [ 0x57, 0xff, 0xf ]
],
    brightness = 2,
    click_timer = null, 
    active_timer = null,
    click_count = 0,
    on = false,
    active = false;

function setLight(isOn) {
  if (active) {
    console.log("Ueberrannt");
    LED1.write(true);
    setTimeout(function() { LED1.write(false); }, 20);
    return;
  }
  
  active = true;
  active_timer = setTimeout(function() { 
    active = false; 
    console.log("Timeout");
  }, 10000);
  
  var gatt;
  // Paul: f4:b8:5e:95:7c:20
  NRF.connect("78:a5:04:50:d6:53").then(function(g) {
    //         ^^^^^^^^^^^^^^^^^  your light's address here
    LED2.write(true);
    setTimeout(function() { LED2.write(false); }, 20);
    console.log("Verbunden");
    gatt = g;
    return gatt.getPrimaryService("f815e810-456c-6761-746f-4d756e696368");
  }, function(e) {
    LED1.write(true);
    setTimeout(function() { LED1.write(false); }, 20);
    console.log("Nicht verbunden: " + e);
  }).then(function(service) {
    return service.getCharacteristic("f815e811-456c-6761-746f-4d756e696368");
  }).then(function(characteristic) {
    
    return characteristic.writeValue(
      isOn 
        ? values[brightness] 
        : [0x57, 0, 0]
    );
    
  }).then(function() {
    gatt.disconnect();
    clearTimeout(active_timer);
    active = false;
    console.log("Fertig!");
  });
}

setWatch(function() {
  click_count++;
  
  if (click_timer === null) {
    click_timer = setTimeout(function() {
      clearTimeout(click_timer);
      
      if (click_count < 2) {
        on = !on;
      }
      else {
        brightness++;
        if (brightness >= values.length) {
          brightness = 0;
        }
        console.log("Brightness: " + brightness);
        on = true;
      }
      setLight(on);
      click_timer = null;
      click_count = 0;
    }, 400);
  }
  
}, BTN, { repeat:true, edge:"rising", debounce:50 });

/**
 * Future: long press
 
 setWatch(function(e) {
  if(e.time-e.lastTime > 0.5){ // on long press slide goes one step back
    sendPrev();
  }
}, BTN, {edge:"falling", debounce:50, repeat:true});
 */