connect static method

Future<bool> connect({ required String macAddress, })

Implementation

static Future<bool> connect({required String macAddress}) async {
  if (_macAddressConnect.isNotEmpty) return true; // Ya está conectado.

  Completer<bool> connectionCompleter = Completer<bool>();

  if (_connectionStream != null) _connectionStream!.cancel();
  _connectionStream = WinBle.connectionStreamOf(macAddress).listen((bool status) async {
    if (status) {
      //_macAddressConnect = macAddress;
      connectionCompleter.complete(true);
      print("connect status: $status");
    } else {
      //print("Finalizó el stream $event");
      if (!connectionCompleter.isCompleted) connectionCompleter.complete(true); // Completar con error la Future en caso de desconexión.
    }
  });

  // Realizar la conexión
  await WinBle.connect(macAddress);

  // Esperar que la conexion finalice
  await connectionCompleter.future;
  //cancelar el stream
  if (_connectionStream != null) _connectionStream?.cancel();

  //print("complete ${DateTime.now().toString()}");
  //buscar el servicio y caracteristica para imprimir
  List<String> services = await WinBle.discoverServices(macAddress);
  //print("Services: ${services.length}");
  for (String service in services) {
    //print("service: $service");
    List<BleCharacteristic> bleCharacteristics = await WinBle.discoverCharacteristics(address: macAddress, serviceId: service);
    //print("bleCharacteristics: ${bleCharacteristics.length}");
    for (BleCharacteristic characteristic in bleCharacteristics) {
      //print("service: $service -> bleCharacteristic: ${characteristic.properties.toJson()}");
      if (characteristic.properties.write ?? false) {
        _serviceSelect = service;
        _bleCharacteristicSelect = characteristic;
        _macAddressConnect = macAddress;
        print("macAddress: $macAddress service: $service");
        break;
      }
    }
  }
  //return if not empty si success connection
  return _macAddressConnect.isNotEmpty;
}