Exemplo n.º 1
0
        private void ClearBluetoothLEDevice()
        {
            GattService?.Dispose();
            GattService = null;


            if (ControlPoint != null)
            {
                ControlPoint = null;
            }

            if (NotificationSource != null)
            {
                NotificationSource.ValueChanged -= NotificationSource_ValueChanged;
                NotificationSource = null;
            }

            if (DataSource != null)
            {
                DataSource.NotificationAttributesReceived -= DataSource_NotificationAttributesReceived;
                DataSource = null;
            }

            try
            {
                bluetoothLeDevice.ConnectionStatusChanged -= BluetoothLeDevice_ConnectionStatusChanged;
            }
            catch (Exception ex)
            {
                // Do nothing
            }

            bluetoothLeDevice?.Dispose();
            bluetoothLeDevice = null;
        }
Exemplo n.º 2
0
        public async void Connect()
        {
            ClearBluetoothLEDevice();

            try
            {
                // BT_Code: BluetoothLEDevice.FromIdAsync must be called from a UI thread because it may prompt for consent.
                bluetoothLeDevice = await BluetoothLEDevice.FromIdAsync(BluetoothLEDeviceId);

                bluetoothLeDevice.ConnectionStatusChanged += BluetoothLeDevice_ConnectionStatusChanged;
            }
            catch (Exception ex) when((uint)ex.HResult == 0x800710df)
            {
                // ERROR_DEVICE_NOT_AVAILABLE because the Bluetooth radio is not on.
            }

            if (bluetoothLeDevice != null)
            {
                Guid ancsUuid = new Guid("7905F431-B5CE-4E99-A40F-4B1E122D00D0");

                try
                {
                    GattService = bluetoothLeDevice.GetGattService(ancsUuid);
                }
                catch (Exception ex)
                {
                    throw new Exception("Apple Notification Center Service not found.");
                }


                if (GattService == null)
                {
                    throw new Exception("Apple Notification Center Service not found.");
                }
                else
                {
                    Guid notificationSourceUuid = new Guid("9FBF120D-6301-42D9-8C58-25E699A21DBD");
                    Guid controlPointUuid       = new Guid("69D1D8F3-45E1-49A8-9821-9BBDFDAAD9D9");
                    Guid dataSourceUuid         = new Guid("22EAC6E9-24D6-4BB5-BE44-B36ACE7C7BFB");

                    try
                    {
                        ControlPoint       = new ControlPoint(GattService.GetCharacteristics(controlPointUuid).First());
                        DataSource         = new DataSource(GattService.GetCharacteristics(dataSourceUuid).First());
                        NotificationSource = new NotificationSource(GattService.GetCharacteristics(notificationSourceUuid).First());
                    }
                    catch (Exception ex)
                    {
                        throw new Exception(ex.Message);
                    }
                }
            }
            else
            {
                ClearBluetoothLEDevice();
                throw new Exception("Failed to connect to device.");
            }
        }