public Task <bool> Connect(OWBaseBoard board, CancellationToken cancellationToken)
{
_requestingDisconnect = false;
_reconnecting = false;
_connectionCompletionSource = new TaskCompletionSource <bool>();
if (board.NativePeripheral is CBPeripheral peripheral)
{
_board = board;
_peripheral = peripheral;
_peripheral.WeakDelegate = this;
var options = new PeripheralConnectionOptions()
{
NotifyOnDisconnection = true,
#if __IOS__
NotifyOnConnection = true,
NotifyOnNotification = true,
#endif
};
_centralManager.ConnectPeripheral(peripheral, options);
}
else
{
_connectionCompletionSource.SetResult(false);
}
return(_connectionCompletionSource.Task);
}
public override void OnScanResult(ScanCallbackType callbackType, ScanResult result)
{
Debug.WriteLine("OnScanResult");
var board = new OWBaseBoard()
{
ID = result.Device.Address,
Name = result.Device.Name ?? "Onewheel",
IsAvailable = true,
NativePeripheral = result.Device,
};
_owble.BoardDiscovered?.Invoke(board);
}
public Task <bool> Connect(OWBaseBoard board, CancellationToken cancellationToken)
{
_board = board;
_connectTaskCompletionSource = new TaskCompletionSource <bool>();
if (board.NativePeripheral is BluetoothDevice device)
{
_gattCallback = new OWBLE_BluetoothGattCallback(this);
_bluetoothGatt = device.ConnectGatt(Xamarin.Essentials.Platform.CurrentActivity, false, _gattCallback);
}
return(_connectTaskCompletionSource.Task);
}
public void OnLeScan(BluetoothDevice device, int rssi, byte[] scanRecord)
{
Debug.WriteLine("OnLeScan");
var board = new OWBaseBoard()
{
ID = device.JniIdentityHashCode.ToString(),
Name = device.Name ?? "Onewheel",
IsAvailable = true,
NativePeripheral = device,
};
_owble.BoardDiscovered?.Invoke(board);
}
public void DiscoveredPeripheral(CBCentralManager central, CBPeripheral peripheral, NSDictionary advertisementData, NSNumber RSSI)
{
Debug.WriteLine("CentralManager_DiscoveredPeripheral: " + peripheral.Name);
var board = new OWBaseBoard()
{
ID = peripheral.Identifier.ToString(),
Name = peripheral.Name ?? "Onewheel",
IsAvailable = true,
NativePeripheral = peripheral,
};
BoardDiscovered?.Invoke(board);
}
void OWBLE_BoardDiscovered(OWBaseBoard board)
{
Debug.WriteLine($"OWBLE_BoardDiscovered: {board.Name} {board.ID}");
var boardIndex = Boards.IndexOf(board);
if (boardIndex == -1)
{
Boards.Add(board);
}
else
{
// Its odd that we set the name again, but when a board is just powered on its name is "Onewheel", not "ow123456"
Boards[boardIndex].Name = board.Name;
Boards[boardIndex].IsAvailable = true;
Boards[boardIndex].NativePeripheral = board.NativePeripheral;
}
}
public Task Disconnect()
{
if (_connectTaskCompletionSource != null && _connectTaskCompletionSource.Task.IsCanceled == false)
{
// TODO: this causes app to crash. While not ideal, this works for the current flow.
_connectTaskCompletionSource.SetCanceled();
}
// TODO: Handle is connecting.
if (_bluetoothGatt != null)
{
_bluetoothGatt.Disconnect();
}
_board = null;
return(Task.CompletedTask);
}
