Puck-JS iBeacon

var lightSwitch = 0;
var persist = 30000;
var beaconService = require("ble_ibeacon");
var timerId = null;
var flasherId = null;
const blinkPattern = [100, 150, 100, 150];

function beaconData() {
  return {
    uuid : [0xb1, 0xae, 0x51, 0x2b, 0x97, 0x03, 0x4a, 0xe2, 0xb9, 0xc3, 0x9e, 0x26, 0x0c, 0xa7, 0xb3, 0x99],
    major : lightSwitch ? 0x0001 : 0x0000,
    minor : 0x0000,
    rssi : -67
  };
}

function startLedFlashing() {
  flasherId = setInterval(function() {
    digitalPulse(4,0,blinkPattern);
  }, 1000);
  digitalPulse(4,0,blinkPattern);
}

function switchOn() {
  console.log('switchOn');
  if (timerId) {
    clearTimeout(timerId);
    console.log('switchOn cleared timeout');
    return switchOff();
  }
  startLedFlashing();
  lightSwitch = 1;
  setAdvertising();
  timerId = setTimeout(switchOff, persist);
}

function switchOff() {
  console.log('switchOff');
  lightSwitch = 0;
  timerId = null;
  if (flasherId) {
    clearInterval(flasherId);
    flasherId = null;
  }
  digitalPulse(3,1,500);
  setAdvertising();
}

setWatch(function() {
  try {
    console.log('timerId',timerId);
    switchOn();
  } catch(e) {
    console.log(e);
    digitalPulse(1,1,500);
  }
}, BTN, {edge:"rising", repeat:1, debounce:50});

function setAdvertising() {
  NRF.setAdvertising([beaconService.get(beaconData())], {name: 'PuckJS', interval: 100});
}

setAdvertising();