async function scanStop() {
  if (this.scanTimer) {
    clearTimeout(this.scanTimer);
    this.scanTimer = undefined;
  }
  this.scanCounter = 0;

  logger.debug(`Bluetooth: stop scanning`);

  this.scanning = false;
  this.broadcastStatus();
}
@description When the Bluetooth stops scanning.
@example
bluetooth.on('startStop', this.scanStop);