public static MetaWearBoard getMetaWearBoardInstance(BluetoothLEDevice btleDevice)
{
MetaWearBoard board;
if (!instances.TryGetValue(btleDevice.BluetoothAddress, out board))
{
board = new MetaWearBoard(btleDevice);
instances.Add(btleDevice.BluetoothAddress, board);
}
return(board);
}
private async void ConnectButton_Click()
{
ConnectButton.IsEnabled = false;
ClearBluetoothLEDevice();
try
{
// BT_Code: BluetoothLEDevice.FromIdAsync must be called from a UI thread because it may prompt for consent.
bluetoothLeDevice = await BluetoothLEDevice.FromIdAsync(rootPage.SelectedBleDeviceId);
//Victor add device
var board = MetaWearBoard.getMetaWearBoardInstance(bluetoothLeDevice);
board.Initialize();
cppBoard = board.cppBoard;
IntPtr accSignal = mbl_mw_acc_get_acceleration_data_signal(cppBoard);
mbl_mw_datasignal_subscribe(accSignal, accDataHandler);
mbl_mw_acc_enable_acceleration_sampling(cppBoard);
mbl_mw_acc_start(cppBoard);
}
catch (Exception ex) when((uint)ex.HResult == 0x800710df)
{
// ERROR_DEVICE_NOT_AVAILABLE because the Bluetooth radio is not on.
}
if (bluetoothLeDevice != null)
{
// BT_Code: GattServices returns a list of all the supported services of the device.
// If the services supported by the device are expected to change
// during BT usage, subscribe to the GattServicesChanged event.
foreach (var service in bluetoothLeDevice.GattServices)
{
ServiceCollection.Add(new BluetoothLEAttributeDisplay(service));
}
ConnectButton.Visibility = Visibility.Collapsed;
ServiceList.Visibility = Visibility.Visible;
}
else
{
ClearBluetoothLEDevice();
rootPage.NotifyUser("Failed to connect to device.", NotifyType.ErrorMessage);
}
ConnectButton.IsEnabled = true;
}