<m2:DeviceCapability Name="bluetooth.genericAttributeProfile"><m2:Device Id="any"><m2:Function Type="serviceId:6006" /></m2:Device></m2:DeviceCapability></Capabilities>

 GattDeviceService gattDeviceService;GattCharacteristic characteristic;GattCharacteristic writeCharateristic;#region 蓝牙管理public async Task<bool> Connect(string deviceName = "mydevice"){if (IsConnected) return true;bool result = false;if (gattDeviceService != null)gattDeviceService = null;try{var devices = await GetDevices();string s = "";foreach (var item in devices){s += item.Name + "   ,";}P(s);foreach (var item in devices){if (item.Name.ToLower().Contains(deviceName.ToLower())){//已经配对 如果找不到提示用户先去蓝牙设置配对gattDeviceService = await GattDeviceService.FromIdAsync(item.Id);if (gattDeviceService != null){var status = await Config();if (status == GattCommunicationStatus.Success)return true;else{characteristic = null;return false;}}else{//提示用户  无法连接
                        }}}}catch{}return result;}public bool IsBluetoothOpened{get{return isBlueBootoothOpend();}}internal bool IsConnected{get { return characteristic != null; }}/// <summary>/// 判断蓝牙是否打开/// </summary>/// <returns></returns>private bool isBlueBootoothOpend(){try{try{PeerFinder.AlternateIdentities["Bluetooth:Paired"] = "";var peers = PeerFinder.FindAllPeersAsync().AsTask().Result;return true;}catch (Exception ex){if ((uint)ex.HResult == 0x8007048F || ex.HResult == -2146233088){return false;}return true;}}catch{return false;}}internal async Task<DeviceInformationCollection> GetDevices(){var serverID = @"00008009-0000-1000-7000-00805f9b8875";  //Serive IDvar zeCircleGUID = GattDeviceService.GetDeviceSelectorFromUuid(Guid.Parse(serverID));var devices = await Windows.Devices.Enumeration.DeviceInformation.FindAllAsync(zeCircleGUID);return devices;}private async Task<GattCommunicationStatus> Config(){GattCommunicationStatus status = GattCommunicationStatus.Unreachable;characteristic = null;characteristic = gattDeviceService.GetCharacteristics(Guid.Parse("00008002-0000-1000-8000-00805f9b34fb"))[0];writeCharateristic = gattDeviceService.GetCharacteristics(Guid.Parse("00008001-0000-1000-8000-00805f9b34fb"))[0];if (characteristic != null){var currentDescriptorValue = await characteristic.ReadClientCharacteristicConfigurationDescriptorAsync();if (currentDescriptorValue.Status == GattCommunicationStatus.Success){status = await characteristic.WriteClientCharacteristicConfigurationDescriptorAsync(GattClientCharacteristicConfigurationDescriptorValue.Notify);if (status == GattCommunicationStatus.Success)characteristic.ValueChanged += characteristic_ValueChanged;}}return status;}#endregion

 public event EventHandler OnConnectionFailed;static UInt16 ReSendCount = 0;List<byte> receivedData = new List<byte>();private bool IsEnableReconnect = true;//数据处理public void characteristic_ValueChanged(GattCharacteristic sender, GattValueChangedEventArgs args){byte[] data = new byte[args.CharacteristicValue.Length];DataReader.FromBuffer(args.CharacteristicValue).ReadBytes(data); //读取数据
            receivedData.AddRange(data);}