private async Task <bool> ConnectDevice(DeviceInformation deviceInfo = null)
{
if (connected)
{
RemoveValueChangedHandler();
if (await ClearBluetoothLEDeviceAsync())
{
connected = false;
}
}
connecting = true;
bool noexp = false;
if (deviceInfo == null)
{
deviceInfo = dict[deviceQueue.Dequeue()];
noexp = true;
}
if (deviceInfo.IsEnabled)
{
Console.Write("Enabled");
}
var recon = (bluetoothLeDevice != null && bluetoothLeDevice.Equals(deviceInfo));
Update_DeviceName($"Connecting to {deviceInfo.Name}", 1);
if (bluetoothLeDevice == null)
{
bluetoothLeDevice = await BluetoothLEDevice.FromIdAsync(deviceInfo.Id);
}
else
{
var devinfolock = deviceInfo;
if (await ClearBluetoothLEDeviceAsync())
{
bluetoothLeDevice = await BluetoothLEDevice.FromIdAsync(deviceInfo.Id);
Update_DeviceList();
}
}
if (bluetoothLeDevice != null)
{
bluetoothLeDevice.ConnectionStatusChanged += ConnectionChanged;
}
else
{
if (noexp)
{
deviceQueue.Enqueue(deviceInfo.Name);
}
connecting = false;
Update_DeviceName("<Disconnected>", 2);
Console.WriteLine("Connection Failed");
return(false);
}
if (deviceInfo.Pairing.IsPaired)
{
await System.Windows.Application.Current.Dispatcher.InvokeAsync(async() =>
{
await deviceInfo.Pairing.UnpairAsync();
Process.Start(System.Windows.Application.ResourceAssembly.Location);
System.Windows.Application.Current.Shutdown();
});
return(false);
//gattgot = await GetGatt(deviceInfo);
}
else if (deviceInfo.Pairing.CanPair)
{
if (subscribedForNotifications)
{
RemoveValueChangedHandler();
}
GattDeviceServicesResult result = await bluetoothLeDevice.GetGattServicesAsync(BluetoothCacheMode.Uncached);
if (result.Status == GattCommunicationStatus.Success)
{
Update_DeviceName($"Subscribing to {deviceInfo.Name}", 1);
connected = true;
connecting = false;
return(await GetGatt(result));
}
else
{
await ClearBluetoothLEDeviceAsync();
Update_DeviceName(deviceInfo.Name + " is unreachable", 2);
if (noexp)
{
deviceQueue.Enqueue(deviceInfo.Name);
}
connecting = false;
ConnectDevice();
return(false);
}
}
else
{
bluetoothLeDevice.ConnectionStatusChanged -= ConnectionChanged;
bluetoothLeDevice?.Dispose();
if (noexp && deviceInfo.Name != string.Empty)
{
deviceQueue.Enqueue(deviceInfo.Name);
}
Update_DeviceName(deviceInfo.Name + " is unreachable", 2);
connecting = false;
}
return(false);
}