private void openDeviceConnection(BluetoothDevice btDevice) { try { mSocket = btDevice.CreateRfcommSocketToServiceRecord(getUUIDFromString()); mSocket.Connect(); mStream = mSocket.InputStream; mReader = new InputStreamReader(mStream); } catch (IOException e) { throw e; } }
public void Connect() { BluetoothDevice device = mBluetoothAdapter.GetRemoteDevice(address); System.Console.WriteLine("Conexion en curso" + device); mBluetoothAdapter.CancelDiscovery(); try { btSocket = device.CreateRfcommSocketToServiceRecord(MY_UUID); btSocket.Connect(); System.Console.WriteLine("Conexion Correcta"); } catch (System.Exception e) { Console.WriteLine(e.Message); try { btSocket.Close(); } catch (System.Exception) { System.Console.WriteLine("Imposible Conectar"); } System.Console.WriteLine("Socket Creado"); } beginListenForData(); var ac = FindViewById<Button>(Resource.Id.ac); var kapa = FindViewById<Button>(Resource.Id.kapa); dataToSend = new Java.Lang.String("1"); ac.Click += delegate { dataToSend = new Java.Lang.String("1"); writeData(dataToSend); }; kapa.Click += delegate { dataToSend = new Java.Lang.String("2"); writeData(dataToSend); }; writeData(dataToSend); }
public void Connect() { BluetoothDevice device = mBluetoothAdapter.GetRemoteDevice(address); System.Console.WriteLine("Conexion en curso" + device); mBluetoothAdapter.CancelDiscovery(); try { btSocket = device.CreateRfcommSocketToServiceRecord(MY_UUID); btSocket.Connect(); System.Console.WriteLine("Conexion Correcta"); } catch (System.Exception e) { Console.WriteLine (e.Message); try { btSocket.Close(); } catch (System.Exception) { System.Console.WriteLine("Imposible Conectar"); } System.Console.WriteLine("Socket Creado"); } beginListenForData(); dataToSend = new Java.Lang.String("e"); writeData(dataToSend); }
private bool TrytoConnect(BluetoothSocket mmSocket) { bool TrytoConnect = true; int count = 0; while (TrytoConnect) { try { Thread.Sleep(400); mmSocket.Connect (); TrytoConnect = false; } catch { count += 1; if (count==5) TrytoConnect = false; } } return !TrytoConnect; }
public string PrintInvSumm(BluetoothSocket mmSocket,BluetoothDevice mmDevice,DateTime printDate1,DateTime printDate2) { msg = ""; Stream mmOutputStream; try { UUID uuid = UUID.FromString ("00001101-0000-1000-8000-00805F9B34FB"); mmSocket = mmDevice.CreateInsecureRfcommSocketToServiceRecord (uuid); if (mmSocket == null) { msg = "Error creating sockect"; return msg; } if (mmDevice.BondState == Bond.Bonded) { mmSocket.Connect (); Thread.Sleep (300); mmOutputStream = mmSocket.OutputStream; byte[] charfont; if (apara.PaperSize == "58mm") { charfont = new Byte[] { 27, 33, 1 }; //Char font 9x17 mmOutputStream.Write (charfont, 0, charfont.Length); } if (apara.PaperSize == "80mm") { charfont = new Byte[] { 27, 33, 0 }; //Char font 12x24 mmOutputStream.Write (charfont, 0, charfont.Length); } string text = GetInvoiceSumm (printDate1, printDate2); //byte[] cc = ASCIIEncoding.ASCII.GetBytes(text); byte[] cc = Encoding.GetEncoding ("GB18030").GetBytes (text); int rem; int result = Math.DivRem (cc.Length, 2048, out rem); int pos = 0; for (int line = 0; line < result; line++) { IsStreamCanWrite (mmOutputStream); mmOutputStream.Write (cc, pos, 2048); pos += 2048; } if (rem > 0) mmOutputStream.Write (cc, pos, rem); //mmOutputStream.Write (cc, 0, cc.Length); Thread.Sleep (3000); mmOutputStream.Flush (); mmOutputStream.Close (); mmSocket.Close (); } } catch (Exception ex) { msg = ex.Message; } return msg; }
/// <summary> /// Connect to the device given host name /// </summary> /// <param name="deviceHostName">Raw host name of the device</param> /// <returns>True if connected successfully. Else False</returns> public async Task<bool> ConnectAsync(string deviceHostName) { if (_socket != null) { _socket.Dispose(); _socket = null; } if (!_adapter.IsEnabled) { throw new Exception("Bluetooth is off. Please turn it on from settings."); } SelectedDevice = _adapter.BondedDevices.FirstOrDefault(d => d.Address == deviceHostName); if (SelectedDevice != null) { var uuids = SelectedDevice.GetUuids(); if (uuids != null && uuids.Length > 0) { return await Task.Run<bool>(() => { _socket = SelectedDevice.CreateRfcommSocketToServiceRecord(UUID.FromString(uuids[0].ToString())); _socket.Connect(); return IsConnected; }); } } return IsConnected; }
private void TryToConnect(){ System.Threading.ThreadPool.QueueUserWorkItem (o => { BluetoothAdapter bluetoothAdapter = BluetoothAdapter.DefaultAdapter; SetStatusText("acquiring adapter..."); if (bluetoothAdapter == null) { SetStatusText("No Bluetooth Adapter found."); return; } else if (!bluetoothAdapter.IsEnabled) { SetStatusText("BlueTooth Adapter disabled."); return; } SetStatusText("finding Shelly's Garage"); var device = bluetoothAdapter.BondedDevices.FirstOrDefault (x => x.Name == "Shelly'sGarage"); if (device == null) { SetStatusText("You ain't paired with Shelly's Garage."); return; } SetStatusText("connecting..."); socket = device.CreateRfcommSocketToServiceRecord (Java.Util.UUID.FromString ("00001101-0000-1000-8000-00805f9b34fb")); try { socket.Connect (); bluetoothAdapter.Dispose(); SetStatusText("Connected to Shelly's Garage"); RunOnUiThread(()=>{ connectorButton.Text = "Disconnect"; }); } catch {//Exception ex) { SetStatusText("Connection failt."); } }); }
//Evento de conexion al Bluetooth public void Connect() { //asignamos el sensor bluetooth con el que vamos a trabajar mBluetoothAdapter = BluetoothAdapter.DefaultAdapter; //Verificamos que este habilitado if (!mBluetoothAdapter.Enable()) { Toast.MakeText(this, "Bluetooth Desactivado", ToastLength.Short).Show(); } //verificamos que no sea nulo el sensor if (mBluetoothAdapter == null) { Toast.MakeText(this, "Bluetooth No Existe o esta Ocupado", ToastLength.Short) .Show(); } //Iniciamos la conexion con el arduino BluetoothDevice device = mBluetoothAdapter.GetRemoteDevice(address); System.Console.WriteLine("Conexion en curso" + device); //Indicamos al adaptador que ya no sea visible mBluetoothAdapter.CancelDiscovery(); try { //Inicamos el socket de comunicacion con el arduino btSocket = device.CreateRfcommSocketToServiceRecord(MY_UUID); //Conectamos el socket btSocket.Connect(); System.Console.WriteLine("Conexion Correcta"); } catch (System.Exception e) { //en caso de generarnos error cerramos el socket Console.WriteLine(e.Message); try { btSocket.Close(); } catch (System.Exception) { System.Console.WriteLine("Imposible Conectar"); } System.Console.WriteLine("Socket Creado"); } //Una vez conectados al bluetooth mandamos llamar el metodo que generara el hilo //que recibira los datos del arduino beginListenForData(); //NOTA envio la letra e ya que el sketch esta configurado para funcionar cuando //recibe esta letra. //dataToSend = new Java.Lang.String("Hola"); //writeData(dataToSend); }