private bool UpdateConnectOpen()
{
BluetoothUtils.UpdateClient();
try
{
BluetoothClient.Connect(CurrentBluetoothDeviceInfo.DeviceAddress, BluetoothService.SerialPort);
}
catch
{
return(false);
}
return(Open());
}
/// <summary> Connects to a serial port defined through the current settings. </summary>
/// <returns> true if it succeeds, false if it fails. </returns>
public bool Connect()
{
// Reconnecting to the same device seems to fail a lot of the time, so see
// if we can remain connected
if (_runningBluetoothDeviceInfo != null && _runningBluetoothDeviceInfo.DeviceAddress == CurrentBluetoothDeviceInfo.DeviceAddress && _lazyReconnect)
{
CurrentBluetoothDeviceInfo = _runningBluetoothDeviceInfo;
}
else
{
_runningBluetoothDeviceInfo = CurrentBluetoothDeviceInfo;
//BluetoothClient.Close();
}
// Closing serial port if it is open
//_stream = null;
// set pin of device to connect with
// check if device is paired
//CurrentBluetoothDeviceInfo.Refresh();
try
{
if (!CurrentBluetoothDeviceInfo.Authenticated)
{
//Console.WriteLine("Not authenticated");
_showAsConnected = false;
return(_showAsConnected);
}
if (BluetoothClient.Connected && !LazyReconnect)
{
//Previously connected, setting up new connection"
BluetoothUtils.UpdateClient();
}
// synchronous connection method
if (!BluetoothClient.Connected || !_lazyReconnect)
{
BluetoothClient.Connect(CurrentBluetoothDeviceInfo.DeviceAddress, BluetoothService.SerialPort);
}
if (!Open())
{
// Desperate attempt: try full reset and open
_showAsConnected = UpdateConnectOpen();
return(_showAsConnected);
}
// Check worker is not running as a precaution. This needs to be rechecked.
if (!_worker.IsRunning)
{
_worker.Start();
}
_showAsConnected = true;
return(_showAsConnected);
}
catch (SocketException)
{
return(false);
}
catch (InvalidOperationException)
{
// Desperate attempt: try full reset and open
_showAsConnected = UpdateConnectOpen();
return(_showAsConnected);
}
}
// Find the pin code for a Bluetooth adress
private string FindPin(string adress)
{
return((from devicePin in DevicePins where BluetoothUtils.StripBluetoothAdress(devicePin.Key) == adress select devicePin.Value).FirstOrDefault());
}
