private void OnWriteableTagArrived(ProximityDevice sender, ProximityMessage message)
       {
    
           var dataWriter = new DataWriter();
           dataWriter.UnicodeEncoding = Windows.Storage.Streams.UnicodeEncoding.Utf16LE;
           string appLauncher = string.Format(@"mywaiter:MainPage?source=3");
 
           dataWriter.WriteString(appLauncher);
           pubId = sender.PublishBinaryMessage("WindowsUri:WriteTag", dataWriter.DetachBuffer());
   
       }
        /// <summary>
        /// 加密
        /// </summary>
        /// <param name="toEncrypt"></param>
        /// <param name="bufferkey"></param>
        /// <returns></returns>
        public static string Encrypt(string toEncrypt)
        {
            SymmetricKeyAlgorithmProvider aesCbcPkcs7 =
SymmetricKeyAlgorithmProvider.OpenAlgorithm(SymmetricAlgorithmNames.AesCbcPkcs7);
            var dataWriter = new DataWriter();
            dataWriter.WriteBytes(new byte[] { 65, 69, 87, 65, 49, 50, 94, 64, 35, 77, 65, 87, 40, 0, 0, 0 });
            CryptographicKey key =
              aesCbcPkcs7.CreateSymmetricKey(dataWriter.DetachBuffer());
            byte[] plainText = Encoding.UTF8.GetBytes(toEncrypt);
            byte[] cipherText = CryptographicEngine.Encrypt(
                key, plainText.AsBuffer(), dataWriter.DetachBuffer()).ToArray();
            return Convert.ToBase64String(cipherText, 0, cipherText.Length);

        }
Example #3
0
        private async Task WriteBlecOmmand(string command)
        {
            try
            {
                _commandExecuting = true;

                BluetoothLEDevice oygenBluetoothLeDevice = null;
                GattCharacteristic writeCharacteristics = null;

                oygenBluetoothLeDevice = await BluetoothLEDevice.FromBluetoothAddressAsync(0x000780067cf1);


                var srv =
                    oygenBluetoothLeDevice.GattServices.FirstOrDefault(
                        gs => gs.Uuid.ToString().Equals("2ac94b65-c8f4-48a4-804a-c03bc6960b80"));

                Debug.WriteLine(oygenBluetoothLeDevice.Name);

                writeCharacteristics =
                    srv
                        .GetAllCharacteristics()
                        .FirstOrDefault(ch => ch.Uuid.ToString().Equals("50e03f22-b496-4a73-9e85-335482ed4b12"));

                var writer = new DataWriter();

                writer.WriteString(command + "\n");

                await writeCharacteristics.WriteValueAsync(writer.DetachBuffer());
            }
            catch (Exception ex)
            {
                Debug.WriteLine("Bluetooth Problem.");
                Debug.WriteLine(ex.Message);
            }
        }
Example #4
0
        private async void ButtonAction2_Click(object sender, RoutedEventArgs e)
        {
            DevicesInformation = string.Empty;
            foreach (var rsCharacteristic in _dicCharacteristics)
            {
                DevicesInformation += $"  Try to write to {rsCharacteristic.Value.CharName}{Environment.NewLine}";
                bool writeOk = true;
                try
                {
                    var charToTest = rsCharacteristic.Value.Characteristic;
                    byte[] arr = { 4, 1, 2, 0, 1, 0 };
                    var writer = new DataWriter();
                    writer.WriteBytes(arr);
                    await charToTest.WriteClientCharacteristicConfigurationDescriptorAsync(GattClientCharacteristicConfigurationDescriptorValue.Indicate);
                    await charToTest.WriteValueAsync(writer.DetachBuffer());
                    DevicesInformation += $"  - OK{Environment.NewLine}";
                }
                catch
                {
                    DevicesInformation += $"  - ERROR{Environment.NewLine}";
                    writeOk = false;
                }

                var msg = $"{rsCharacteristic.Value.CharName}, {writeOk}, {rsCharacteristic.Value.Characteristic.CharacteristicProperties}, {rsCharacteristic.Value.Characteristic.Uuid}";
                Debug.WriteLine(msg);

                await Task.Delay(TimeSpan.FromMilliseconds(100));
            }
        }
Example #5
0
        IBuffer getBuffer(short i)
        {
            var writer = new Windows.Storage.Streams.DataWriter();

            writer.WriteInt16(i);
            return(writer.DetachBuffer());
        }
Example #6
0
            public static async void SetSensorPeriod(SensorChars sensorCharacteristics, int period)
            {
                SensorServicesCls.SensorIndexes SensorIndex = sensorCharacteristics.Sensor_Index;
                Debug.WriteLine("Begin SetSensorPeriod(): " + SensorIndex.ToString());


                try
                {
                    if (sensorCharacteristics.Charcteristics.Keys.Contains(SensorServicesCls.CharacteristicTypes.Period))
                    {
                        GattCharacteristic characteristic = sensorCharacteristics.Charcteristics[SensorServicesCls.CharacteristicTypes.Period];
                        {
                            if (characteristic.CharacteristicProperties.HasFlag(GattCharacteristicProperties.Write))
                            {
                                var writer = new Windows.Storage.Streams.DataWriter();
                                // Accelerometer period = [Input * 10]ms
                                writer.WriteByte((Byte)(period / 10));
                                await characteristic.WriteValueAsync(writer.DetachBuffer());
                            }
                        }
                    }
                }
                catch (Exception ex)
                {
                    Debug.WriteLine("Error: SetSensorPeriod(): " + SensorIndex.ToString() + " " + ex.Message);
                }
                Debug.WriteLine("End SetSensorPeriod(): " + SensorIndex.ToString());
            }
Example #7
0
        private async void SendData(GattCharacteristic characteristic, string str)
        {
            var dataWriter = new Windows.Storage.Streams.DataWriter();

            dataWriter.WriteString(str);
            await characteristic.WriteValueAsync(dataWriter.DetachBuffer());
        }
Example #8
0
        protected override void OnNavigatedTo(NavigationEventArgs e)
        {
            if (this.Frame.CanGoBack)
            {
                SystemNavigationManager.GetForCurrentView().AppViewBackButtonVisibility = AppViewBackButtonVisibility.Visible;
                SystemNavigationManager.GetForCurrentView().BackRequested += Publish_BackRequested;
            }

            this.publisher = new BluetoothLEAdvertisementPublisher();

            ushort id = 0x1234;
            var manufacturerDataWriter = new DataWriter();
            manufacturerDataWriter.WriteUInt16(id);

            var manufacturerData = new BluetoothLEManufacturerData
            {
                CompanyId = 0xFFFE,
                Data = manufacturerDataWriter.DetachBuffer()
            };

            publisher.Advertisement.ManufacturerData.Add(manufacturerData);

            this.Manufacturer = "12-34";

            publisher.Start();
        }
        private void PublishLaunchApp()
        {
            proximityDevice = Windows.Networking.Proximity.ProximityDevice.GetDefault();

            if (proximityDevice != null)
            {
                // The format of the app launch string is: "<args>\tWindows\t<AppName>".
                // The string is tab or null delimited.

                // The <args> string must have at least one character.
                string launchArgs = "user=default";

                // The format of the AppName is: PackageFamilyName!PRAID.
                string praid = "MyAppId"; // The Application Id value from your package.appxmanifest.

                string appName = Windows.ApplicationModel.Package.Current.Id.FamilyName + "!" + praid;

                string launchAppMessage = launchArgs + "\tWindows\t" + appName;

                var dataWriter = new Windows.Storage.Streams.DataWriter();
                dataWriter.UnicodeEncoding = Windows.Storage.Streams.UnicodeEncoding.Utf16LE;
                dataWriter.WriteString(launchAppMessage);
                publishedUriId =
                    proximityDevice.PublishBinaryMessage(
                        "NDEF:WriteTag", dataWriter.DetachBuffer(), proximityWriteTagLaunchAppMessageTransmitCallback);
            }
        }
        /// <summary>
        /// Extension method to SmartCardConnection class to perform a transparent exchange to the ICC
        /// </summary>
        /// <param name="connection">
        /// SmartCardConnection object
        /// </param>
        /// <param name="commandData">
        /// Command object to send to the ICC
        /// </param>
        /// <returns>Response received from the ICC</returns>
        public static async Task<byte[]> TransparentExchangeAsync(this SmartCardConnection connection, byte[] commandData)
        {
            byte[] responseData = null;
            ManageSessionResponse apduRes = await TransceiveAsync(connection, new ManageSession(new byte[2] { (byte)ManageSession.DataObjectType.StartTransparentSession, 0x00 })) as ManageSessionResponse;

            if (!apduRes.Succeeded)
            {
                throw new Exception("Failure to start transparent session, " + apduRes.ToString());
            }

            using (DataWriter dataWriter = new DataWriter())
            {
                dataWriter.WriteByte((byte)TransparentExchange.DataObjectType.Transceive);
                dataWriter.WriteByte((byte)commandData.Length);
                dataWriter.WriteBytes(commandData);

                TransparentExchangeResponse apduRes1 = await TransceiveAsync(connection, new TransparentExchange(dataWriter.DetachBuffer().ToArray())) as TransparentExchangeResponse;

                if (!apduRes1.Succeeded)
                {
                    throw new Exception("Failure transceive with card, " + apduRes1.ToString());
                }

                responseData = apduRes1.IccResponse;
            }

            ManageSessionResponse apduRes2 = await TransceiveAsync(connection, new ManageSession(new byte[2] { (byte)ManageSession.DataObjectType.EndTransparentSession, 0x00 })) as ManageSessionResponse;

            if (!apduRes2.Succeeded)
            {
                throw new Exception("Failure to end transparent session, " + apduRes2.ToString());
            }

            return responseData;
        }
Example #11
0
        // ---------------------------------------------------
        //     Hardware Configuration Helper Functions
        // ---------------------------------------------------

        // Retrieve Barometer Calibration data
        private async void calibrateBarometer()
        {
            GattDeviceService gattService = serviceList[BAROMETRIC_PRESSURE];

            if (gattService != null)
            {
                // Set Barometer configuration to 2, so that calibration data is saved
                var characteristicList = gattService.GetCharacteristics(new Guid("F000AA42-0451-4000-B000-000000000000"));
                if (characteristicList != null)
                {
                    GattCharacteristic characteristic = characteristicList[0];

                    if (characteristic.CharacteristicProperties.HasFlag(GattCharacteristicProperties.Write))
                    {
                        var writer = new Windows.Storage.Streams.DataWriter();
                        writer.WriteByte((Byte)0x02);
                        await characteristic.WriteValueAsync(writer.DetachBuffer());
                    }
                }

                // Save Barometer calibration data
                characteristicList = gattService.GetCharacteristics(new Guid("F000AA43-0451-4000-B000-000000000000"));
                if (characteristicList != null)
                {
                    GattReadResult result = await characteristicList[0].ReadValueAsync(BluetoothCacheMode.Uncached);
                    baroCalibrationData = new byte[result.Value.Length];
                    DataReader.FromBuffer(result.Value).ReadBytes(baroCalibrationData);
                }
            }
        }
Example #12
0
        public static void iBeaconSetAdvertisement(this BluetoothLEAdvertisement Advertisment, iBeaconData data)
        {
            BluetoothLEManufacturerData manufacturerData = new BluetoothLEManufacturerData();

            // Set Apple as the manufacturer data
            manufacturerData.CompanyId = 76;

            var writer = new DataWriter();
            writer.WriteUInt16(0x0215); //bytes 0 and 1 of the iBeacon advertisment indicator

            if (data!=null& data.UUID!= Guid.Empty)
            {
                //If UUID is null scanning for all iBeacons
                writer.WriteBytes( data.UUID.ToByteArray());
                if (data.Major!=0)
                {
                    //If Major not null searching with UUID and Major
                    writer.WriteBytes(BitConverter.GetBytes(data.Major).Reverse().ToArray());
                    if (data.Minor != 0)
                    {
                        //If Minor not null we are looking for a specific beacon not a class of beacons
                        writer.WriteBytes(BitConverter.GetBytes(data.Minor).Reverse().ToArray());
                        if (data.TxPower != 0)
                            writer.WriteBytes(BitConverter.GetBytes(data.TxPower));
                    }
                }
            }

            manufacturerData.Data = writer.DetachBuffer();

            Advertisment.ManufacturerData.Clear();
            Advertisment.ManufacturerData.Add(manufacturerData);
        }
Example #13
0
 public async Task<bool> Init()
 {
     var res = true;
     ClearExceptions();
     for (int i = 0; i < 20; i++)
     {
         try
         {
             var value = new byte[3];
             value[0] = 0x1;
             value[1] = (byte)(i + 1);
             value[2] = (byte)(i + 1);
             var buffer = new DataWriter();
             buffer.WriteBytes(value);
             await _initCount1To20Char.WriteValueAsync(buffer.DetachBuffer(), GattWriteOption.WriteWithoutResponse);
             await Sleep(50);
         }
         catch (Exception exception)
         {
             res = false;
             AddException(exception);
         }
     }
     return res;
 }
        // Write function for adding control points to a server
        private async Task HandleSensorControlPoint(string data)
        {
            if (!string.IsNullOrEmpty(data))
            {
                // Get current service from base class.
                var service = await GetService();
                // Get current characteristic from current service using the selected values from the base class.
                var characteristic = service.GetCharacteristics(this.SelectedService.Guid)[this.SelectedIndex];

                //Create an instance of a data writer which will write to the relevent buffer.
                DataWriter writer = new DataWriter();
                byte[] toWrite = System.Text.Encoding.UTF8.GetBytes(data);
                writer.WriteBytes(toWrite);

                // Attempt to write the data to the device, and whist doing so get the status.
                GattCommunicationStatus status = await characteristic.WriteValueAsync(writer.DetachBuffer());

                // Displays a message box to tell user if the write operation was successful or not.
                if (status == GattCommunicationStatus.Success)
                {
                    MessageHelper.DisplayBasicMessage("Sensor control point has been written.");
                }
                else
                {
                    MessageHelper.DisplayBasicMessage("There was a problem writing the sensor control value, Please try again later.");
                }
            }
        }
Example #15
0
        // ---------------------------------------------------
        //     Hardware Configuration Helper Functions
        // ---------------------------------------------------

        // Retrieve Barometer Calibration data
        private async void calibrateBarometer()
        {
            GattDeviceService service;

            if (_serviceList.TryGetValue(BAROMETRIC_PRESSURE, out service))
            {
                // Set Barometer configuration to 2, so that calibration data is saved
                var characteristicList = service.GetCharacteristics(BAROMETER_CONFIGURATION_GUID);
                if (characteristicList != null)
                {
                    GattCharacteristic characteristic = characteristicList[0];

                    if (characteristic.CharacteristicProperties.HasFlag(GattCharacteristicProperties.Write))
                    {
                        var writer = new Windows.Storage.Streams.DataWriter();
                        writer.WriteByte((Byte)0x02);
                        await characteristic.WriteValueAsync(writer.DetachBuffer());
                    }
                }

                // Save Barometer calibration data
                characteristicList = service.GetCharacteristics(BAROMETER_CALIBRATION_GUID);
                if (characteristicList != null)
                {
                    GattReadResult result = await characteristicList[0].ReadValueAsync(BluetoothCacheMode.Uncached);
                    baroCalibrationData = new byte[result.Value.Length];
                    DataReader.FromBuffer(result.Value).ReadBytes(baroCalibrationData);
                }
            }
        }
        /// <summary>
        /// Initializes the singleton application object.  This is the first line of authored code
        /// executed, and as such is the logical equivalent of main() or WinMain().
        /// </summary>
        public Scenario3_BackgroundWatcher()
        {
            this.InitializeComponent();

            // Create and initialize a new trigger to configure it.
            trigger = new BluetoothLEAdvertisementWatcherTrigger();

            // Configure the advertisement filter to look for the data advertised by the publisher in Scenario 2 or 4.
            // You need to run Scenario 2 on another Windows platform within proximity of this one for Scenario 3 to 
            // take effect.

            // Unlike the APIs in Scenario 1 which operate in the foreground. This API allows the developer to register a background
            // task to process advertisement packets in the background. It has more restrictions on valid filter configuration.
            // For example, exactly one single matching filter condition is allowed (no more or less) and the sampling interval

            // For determining the filter restrictions programatically across APIs, use the following properties:
            //      MinSamplingInterval, MaxSamplingInterval, MinOutOfRangeTimeout, MaxOutOfRangeTimeout

            // Part 1A: Configuring the advertisement filter to watch for a particular advertisement payload

            // First, let create a manufacturer data section we wanted to match for. These are the same as the one 
            // created in Scenario 2 and 4. Note that in the background only a single filter pattern is allowed per trigger.
            var manufacturerData = new BluetoothLEManufacturerData();

            // Then, set the company ID for the manufacturer data. Here we picked an unused value: 0xFFFE
            manufacturerData.CompanyId = 0xFFFE;

            // Finally set the data payload within the manufacturer-specific section
            // Here, use a 16-bit UUID: 0x1234 -> {0x34, 0x12} (little-endian)
            DataWriter writer = new DataWriter();
            writer.WriteUInt16(0x1234);

            // Make sure that the buffer length can fit within an advertisement payload. Otherwise you will get an exception.
            manufacturerData.Data = writer.DetachBuffer();

            // Add the manufacturer data to the advertisement filter on the trigger:
            trigger.AdvertisementFilter.Advertisement.ManufacturerData.Add(manufacturerData);

            // Part 1B: Configuring the signal strength filter for proximity scenarios

            // Configure the signal strength filter to only propagate events when in-range
            // Please adjust these values if you cannot receive any advertisement 
            // Set the in-range threshold to -70dBm. This means advertisements with RSSI >= -70dBm 
            // will start to be considered "in-range".
            trigger.SignalStrengthFilter.InRangeThresholdInDBm = -70;

            // Set the out-of-range threshold to -75dBm (give some buffer). Used in conjunction with OutOfRangeTimeout
            // to determine when an advertisement is no longer considered "in-range"
            trigger.SignalStrengthFilter.OutOfRangeThresholdInDBm = -75;

            // Set the out-of-range timeout to be 2 seconds. Used in conjunction with OutOfRangeThresholdInDBm
            // to determine when an advertisement is no longer considered "in-range"
            trigger.SignalStrengthFilter.OutOfRangeTimeout = TimeSpan.FromMilliseconds(2000);

            // By default, the sampling interval is set to be disabled, or the maximum sampling interval supported.
            // The sampling interval set to MaxSamplingInterval indicates that the event will only trigger once after it comes into range.
            // Here, set the sampling period to 1 second, which is the minimum supported for background.
            trigger.SignalStrengthFilter.SamplingInterval = TimeSpan.FromMilliseconds(1000);
        }
 public static IBuffer GetBufferFromByteArray(this byte[] payload)
 {
     using (var dw = new DataWriter())
     {
         dw.WriteBytes(payload);
         return dw.DetachBuffer();
     }
 }
Example #18
0
        public HidOutputReport GetFilledReport()
        {
            var dataWriter = new DataWriter();
            dataWriter.WriteByte(Id);
            dataWriter.WriteBytes(Data.Array);
            report.Data = dataWriter.DetachBuffer();

            return report;
        }
        public async Task SetAcquisitionRateAsync(UInt16 rate)
        {
            var acqusitionCharacteristic = service.GetCharacteristics(new Guid("00000EE2-0000-1000-8000-00805f9b34fb"))[0];
            DataWriter writer = new DataWriter();
            //Endianess of reciever data inverted
            writer.WriteInt16((Int16) SwapUInt16(rate));
            var status = await acqusitionCharacteristic.WriteValueAsync(writer.DetachBuffer());

        }
        private static byte[] GetDataIn(byte serviceCount, byte[] serviceCodeList, byte blockCount, byte[] blockList)
        {
            DataWriter dataWriter = new DataWriter();

            dataWriter.WriteByte(serviceCount);
            dataWriter.WriteBytes(serviceCodeList);
            dataWriter.WriteByte(blockCount);
            dataWriter.WriteBytes(blockList);

            return dataWriter.DetachBuffer().ToArray();
        }
Example #21
0
 private IBuffer GetBufferFromString(String str)
 {
     using (InMemoryRandomAccessStream memoryStream = new InMemoryRandomAccessStream())
     {
         using (DataWriter dataWriter = new DataWriter(memoryStream))
         {
             dataWriter.WriteString(str);
             return dataWriter.DetachBuffer();
         }
     }
 }
 public static IBuffer getBufferFromString(String encodedText)
 {
     using (InMemoryRandomAccessStream memoryStream = new InMemoryRandomAccessStream())
     {
         using (DataWriter dataWriter = new DataWriter(memoryStream))
         {
             byte[] decodedBytes = Convert.FromBase64String(encodedText);
             dataWriter.WriteBytes(decodedBytes);
             return dataWriter.DetachBuffer();
         }
     }
 }
Example #23
0
		public static IBuffer ToIBuffer(byte[] value) 
		{ 
			if(value == null && value.Length == 0)
				throw new ArgumentException();
			var temp = new byte[value.Length];
			Array.Copy(value, 0, temp, 0, value.Length);
			using (DataWriter writer = new DataWriter())
			{
				writer.WriteBytes(temp);
				var buffer = writer.DetachBuffer();
				return buffer;
			}
		}
        void InitializeServiceSdpAttributes(RfcommServiceProvider provider)
        {
            Windows.Storage.Streams.DataWriter writer = new Windows.Storage.Streams.DataWriter();

            // First write the attribute type
            writer.WriteByte(SERVICE_VERSION_ATTRIBUTE_TYPE);
            // Then write the data
            writer.WriteUInt32(MINIMUM_SERVICE_VERSION);

            IBuffer data = writer.DetachBuffer();

            provider.SdpRawAttributes.Add(SERVICE_VERSION_ATTRIBUTE_ID, data);
        }
Example #25
0
        public override async System.Threading.Tasks.Task<SensorBase.InitResult> Init()
        {
            var r = await base.Init();

            if (r == InitResult.Ok)
            {
                // Lecture des données de calibration

                GattCommunicationStatus s;

                using (var writer = new DataWriter())
                {
                    writer.WriteByte(2);
                    s = await pConfigurationCharacteristic.WriteValueAsync(writer.DetachBuffer());
                }

                if (s == GattCommunicationStatus.Success)
                {
                    var calib = GetCharacteristic(pDeviceService, BAROMETER_CALIBRATION_UUID);

                    if (calib != null)
                    {
                        var result = await calib.ReadValueAsync(BluetoothCacheMode.Uncached);

                        if (result.Status == GattCommunicationStatus.Success && result.Value.Length == 16)
                        {
                            byte[] b = new byte[16];
                            DataReader wReader = DataReader.FromBuffer(result.Value);

                            using (wReader)
                            {
                                wReader.ReadBytes(b);

                            }

                            pBarometerCalibrationData[0] = BitConverter.ToUInt16(b, 0);
                            pBarometerCalibrationData[1] = BitConverter.ToUInt16(b, 2);
                            pBarometerCalibrationData[2] = BitConverter.ToUInt16(b, 4);
                            pBarometerCalibrationData[3] = BitConverter.ToUInt16(b, 6);
                            pBarometerCalibrationData[4] = BitConverter.ToInt16(b, 8);
                            pBarometerCalibrationData[5] = BitConverter.ToInt16(b, 10);
                            pBarometerCalibrationData[6] = BitConverter.ToInt16(b, 12);
                            pBarometerCalibrationData[7] = BitConverter.ToInt16(b, 14);
                        }
                    }
                }
            }

            return r;
        }
Example #26
0
        static async void MainAsync(string[] args)
        {
            var baseGuid = new Guid("6e400001-b5a3-f393-e0a9-e50e24dcca9e");
            var txGuid =   new Guid("6e400002-b5a3-f393-e0a9-e50e24dcca9e");
            var rxGuid =   new Guid("6e400003-b5a3-f393-e0a9-e50e24dcca9e");



            var selector = GattDeviceService.GetDeviceSelectorFromUuid(baseGuid);
            var services = await DeviceInformation.FindAllAsync(selector);
            var id = services[0].Id;
            var name = services[0].Name;
            Console.WriteLine("Using Service: {0}", name);

            var service = await GattDeviceService.FromIdAsync(id);

            var gattTx = service.GetCharacteristics(txGuid)[0];
            var txProps = gattTx.CharacteristicProperties;
            var isWWR = txProps.HasFlag(GattCharacteristicProperties.WriteWithoutResponse);
            var isWR = txProps.HasFlag(GattCharacteristicProperties.Write);
            var isRR = txProps.HasFlag(GattCharacteristicProperties.ReliableWrites);
            var isSR = txProps.HasFlag(GattCharacteristicProperties.AuthenticatedSignedWrites);
            Console.WriteLine("Tx :" + gattTx.CharacteristicProperties);
            var gattRx = service.GetCharacteristics(rxGuid)[0];
            var rxProps = gattRx.CharacteristicProperties;
            var isIR = rxProps.HasFlag(GattCharacteristicProperties.Read);
            var isRN = rxProps.HasFlag(GattCharacteristicProperties.Notify);
            var isRI = rxProps.HasFlag(GattCharacteristicProperties.Indicate);
            var isRB = rxProps.HasFlag(GattCharacteristicProperties.Broadcast);
            Console.WriteLine("Rx :" + gattRx.CharacteristicProperties);

            gattRx.ValueChanged += GattRx_ValueChanged;
            //            var val = await gattRx.ReadValueAsync(Windows.Devices.Bluetooth.BluetoothCacheMode.Cached);

            Console.WriteLine("Callback enabled. Type stuff to send");

            string data = string.Empty;
            while (data.ToUpper() != "Q")
            {
                data = Console.ReadLine();

                var writer = new DataWriter();
                writer.WriteString(data);
                var res = await gattTx.WriteValueAsync(writer.DetachBuffer(), GattWriteOption.WriteWithResponse);

                Console.Write(data);
                Console.WriteLine(res);
            }
        }
Example #27
0
        public async void OnCommandRecived(AppServiceConnection sender, AppServiceRequestReceivedEventArgs args)
        {
            var message = args.Request.Message;
            string command = message["Command"] as string;
            if (command.Equals("BluetoothBridge"))
            {
                var value = message["Value"] as string;
                var device = message["Device"] as string;

                var writer = new DataWriter();
                writer.WriteString(value);

                await _writeCharacteristic.WriteValueAsync(writer.DetachBuffer());

            }
        }
Example #28
0
        private async void btnColor_Click(object sender, RoutedEventArgs e)
        {
            //Change the color of the NeoPixel by writing the hex color bytes to the Write characteristic
            //that is currently being monitored by our Flora sketch
            Button btnColor = (Button)sender;
            var    color    = ((SolidColorBrush)btnColor.Background).Color;

            var writer = new Windows.Storage.Streams.DataWriter();

            writer.WriteBytes(new byte[] { color.R, color.G, color.B });

            txtProgress.Text = "Writing color to Writable GATT characteristic ...";
            await _writeCharacteristic.WriteValueAsync(writer.DetachBuffer());

            txtProgress.Text = "Writable GATT characteristic written";
        }
Example #29
0
        public IAsyncOperationWithProgress<IBuffer, ulong> ReadAsBufferAsync()
        {
            return AsyncInfo.Run<IBuffer, ulong>((cancellationToken, progress) =>
            {
                return Task<IBuffer>.Run(() =>
                {
                    DataWriter writer = new DataWriter();
                    writer.WriteString(jsonValue.Stringify());

                    // Make sure that the DataWriter destructor does not free the buffer.
                    IBuffer buffer = writer.DetachBuffer();

                    // Report progress.
                    progress.Report(buffer.Length);

                    return buffer;
                });
            });
        }
Example #30
0
 public async Task<bool> Takeoff()
 {
     var result = true;
     ClearExceptions();
     try
     {
         byte[] arr = { 4, (byte)_settingsCounter, 2, 0, 1, 0 };
         var buffer = new DataWriter();
         buffer.WriteBytes(arr);
         await _datetimeChar.WriteValueAsync(buffer.DetachBuffer(), GattWriteOption.WriteWithoutResponse);
     }
     catch (Exception exception)
     {
         AddException(exception);
         result = false;
     }
     await Sleep(50);
     _settingsCounter++;
     return result;
 }
        /// <summary>
        /// Initializes the singleton application object.  This is the first line of authored code
        /// executed, and as such is the logical equivalent of main() or WinMain().
        /// </summary>
        public Scenario2_Publisher()
        {
            this.InitializeComponent();

            // Create and initialize a new publisher instance.
            publisher = new BluetoothLEAdvertisementPublisher();

            // We need to add some payload to the advertisement. A publisher without any payload
            // or with invalid ones cannot be started. We only need to configure the payload once
            // for any publisher.

            // Add a manufacturer-specific section:
            // First, let create a manufacturer data section
            var manufacturerData = new BluetoothLEManufacturerData();

            // Then, set the company ID for the manufacturer data. Here we picked an unused value: 0xFFFE
            manufacturerData.CompanyId = 0x004C;

            // Finally set the data payload within the manufacturer-specific section
            // Here, use a 16-bit UUID: 0x1234 -> {0x34, 0x12} (little-endian)
            var writer = new DataWriter();
            //UInt16 uuidData = 0x1234;
            //writer.WriteUInt16(uuidData);

            writer.WriteBytes(BleData.ReceivedData);
            // Make sure that the buffer length can fit within an advertisement payload. Otherwise you will get an exception.
            manufacturerData.Data = writer.DetachBuffer();

            // Add the manufacturer data to the advertisement publisher:
            publisher.Advertisement.ManufacturerData.Add(manufacturerData);

            // Display the information about the published payload
            PublisherPayloadBlock.Text = string.Format("Published payload information: CompanyId=0x{0}, ManufacturerData=0x{1}",
                manufacturerData.CompanyId.ToString("X"),
                BitConverter.ToString(BleData.ReceivedData));

            // Display the current status of the publisher
            PublisherStatusBlock.Text = string.Format("Published Status: {0}, Error: {1}",
                publisher.Status,
                BluetoothError.Success);
        }
Example #32
0
        // Set sensor update period
        private async void setSensorPeriod(int sensor, int period)
        {
            GattDeviceService gattService = serviceList[sensor];

            if (sensor != KEYS && gattService != null)
            {
                var characteristicList = gattService.GetCharacteristics(new Guid(SENSOR_GUID_PREFIX + sensor + SENSOR_PERIOD_GUID_SUFFFIX));
                if (characteristicList != null)
                {
                    GattCharacteristic characteristic = characteristicList[0];

                    if (characteristic.CharacteristicProperties.HasFlag(GattCharacteristicProperties.Write))
                    {
                        var writer = new Windows.Storage.Streams.DataWriter();
                        // Accelerometer period = [Input * 10]ms
                        writer.WriteByte((Byte)(period / 10));
                        await characteristic.WriteValueAsync(writer.DetachBuffer());
                    }
                }
            }
        }
Example #33
0
        public async void setSensorPeriod(int period)
        {
            GattDeviceService gattService = GattService;

            if (SensorIndex != SensorIndexes.KEYS && SensorIndex != SensorIndexes.IO_SENSOR && gattService != null)
            {
                var characteristicList = gattService.GetCharacteristics(new Guid(UUIDBase[(int)SensorIndex] + SENSOR_PERIOD_GUID_SUFFFIX));
                if (characteristicList != null)
                {
                    GattCharacteristic characteristic = characteristicList[0];

                    if (characteristic.CharacteristicProperties.HasFlag(GattCharacteristicProperties.Write))
                    {
                        var writer = new Windows.Storage.Streams.DataWriter();
                        // Accelerometer period = [Input * 10]ms
                        writer.WriteByte((Byte)(period / 10));
                        await characteristic.WriteValueAsync(writer.DetachBuffer());
                    }
                }
            }
        }
Example #34
0
        void InitializeServiceSdpAttributes(RfcommServiceProvider provider)
        {
            try
            {
                var writer = new Windows.Storage.Streams.DataWriter();

                // First write the attribute type
                writer.WriteByte(Constants.SERVICE_VERSION_ATTRIBUTE_TYPE);
                // Then write the data
                writer.WriteUInt32(Constants.SERVICE_VERSION);

                var data = writer.DetachBuffer();
                provider.SdpRawAttributes.Add(Constants.SERVICE_VERSION_ATTRIBUTE_ID, data);
                //Check attributes
                try
                {
                    var attributes = provider.SdpRawAttributes;
                    // BluetoothCacheMode.Uncached);
                    var attribute = attributes[Constants.SERVICE_VERSION_ATTRIBUTE_ID];
                    var reader    = DataReader.FromBuffer(attribute);

                    // The first byte contains the attribute' s type
                    byte attributeType = reader.ReadByte();
                    if (attributeType == Constants.SERVICE_VERSION_ATTRIBUTE_TYPE)
                    {
                        // The remainder is the data
                        uint version = reader.ReadUInt32();
                        bool ret     = (version >= Constants.MINIMUM_SERVICE_VERSION);
                    }
                }
                catch (Exception ex)
                {
                    PostMessage("OBEX_Recv.InitializeServiceSdpAttributes_Check", ex.Message);
                }
            }
            catch (Exception ex)
            {
                PostMessage("OBEX_Receiver.InitializeServiceSdpAttributes", ex.Message);
            }
        }
        /// <summary>
        /// Initializes the singleton application object.  This is the first line of authored code
        /// executed, and as such is the logical equivalent of main() or WinMain().
        /// </summary>
        public Scenario4_BackgroundPublisher()
        {
            this.InitializeComponent();

            // Create and initialize a new trigger to configure it.
            trigger = new BluetoothLEAdvertisementPublisherTrigger();

            // We need to add some payload to the advertisement. A publisher without any payload
            // or with invalid ones cannot be started. We only need to configure the payload once
            // for any publisher.

            // Add a manufacturer-specific section:
            // First, create a manufacturer data section
            var manufacturerData = new BluetoothLEManufacturerData();

            // Then, set the company ID for the manufacturer data. Here we picked an unused value: 0xFFFE
            manufacturerData.CompanyId = 0xFFFE;

            // Finally set the data payload within the manufacturer-specific section
            // Here, use a 16-bit UUID: 0x1234 -> {0x34, 0x12} (little-endian)
            var writer = new DataWriter();
            UInt16 uuidData = 0x1234;
            writer.WriteUInt16(uuidData);

            // Make sure that the buffer length can fit within an advertisement payload. Otherwise you will get an exception.
            manufacturerData.Data = writer.DetachBuffer();

            // Add the manufacturer data to the advertisement publisher:
            trigger.Advertisement.ManufacturerData.Add(manufacturerData);

            // Display the information about the published payload
            PublisherPayloadBlock.Text = string.Format("Published payload information: CompanyId=0x{0}, ManufacturerData=0x{1}",
                manufacturerData.CompanyId.ToString("X"),
                uuidData.ToString("X"));

            // Reset the displayed status of the publisher
            PublisherStatusBlock.Text = "";
        }
Example #36
0
        private async void MainPage_Loaded(object sender, RoutedEventArgs e)
        {
            var bts = await DeviceInformation.FindAllAsync();
            const string deviceId = @"\\?\BTHLEDevice#{9a66fa00-0800-9191-11e4-012d1540cb8e}_e0144d4f3d49#a&1f09a1af&0&0020#{6e3bb679-4372-40c8-9eaa-4509df260cd8}";

            var device = bts.First(di => di.Name == DeviceName && di.Id == deviceId);
            if (null == device)
                return;
            _service = await GattDeviceService.FromIdAsync(device.Id);
            if (null == _service)
                return;
            _characteristics = _service.GetAllCharacteristics();
            if (null == _characteristics || _characteristics.Count <= 0)
                return;

            var characteristic = _characteristics.First(charact => charact.Uuid == RollingSpiderCharacteristicUuids.Parrot_PowerMotors);

            try
            {
                var charName = CharacteristicUuidsResolver.GetNameFromUuid(characteristic.Uuid);
                Debug.WriteLine(charName);
                for (int i = 0; i < 255; i++)
                {
                    Debug.WriteLine(i);
                    byte[] arr = { (byte)02, (byte)40, (byte)20, (byte)0D, 00, 09, 00, 04, 00, 52, 43, 00, 04, (byte)i, 02, 00, 01, 00, };
                    var writer = new DataWriter();
                    writer.WriteBytes(arr);
                    await characteristic.WriteValueAsync(writer.DetachBuffer(), GattWriteOption.WriteWithoutResponse);

                    await Task.Delay(TimeSpan.FromSeconds(1));
                }
            }
            catch
            {
            }

        }
Example #37
0
        // Enable and subscribe to specified GATT characteristic
        private async Task enableSensor(int sensor)
        {
            Debug.WriteLine("Begin enable sensor: " + sensor.ToString());
            GattDeviceService gattService = serviceList[sensor];

            if (gattService != null)
            {
                // Turn on notifications
                IReadOnlyList <GattCharacteristic> characteristicList;
                if (sensor >= 0 && sensor <= 5)
                {
                    characteristicList = gattService.GetCharacteristics(new Guid(SENSOR_GUID_PREFIX + sensor + SENSOR_NOTIFICATION_GUID_SUFFFIX));
                }
                else
                {
                    characteristicList = gattService.GetCharacteristics(BUTTONS_NOTIFICATION_GUID);
                }

                if (characteristicList != null)
                {
                    GattCharacteristic characteristic = characteristicList[0];
                    if (characteristic.CharacteristicProperties.HasFlag(GattCharacteristicProperties.Notify))
                    {
                        switch (sensor)
                        {
                        case (IR_SENSOR):
                            characteristic.ValueChanged += tempChanged;
                            IRTitle.Foreground           = new SolidColorBrush(Colors.Green);
                            break;

                        case (ACCELEROMETER):
                            characteristic.ValueChanged += accelChanged;
                            AccelTitle.Foreground        = new SolidColorBrush(Colors.Green);
                            setSensorPeriod(ACCELEROMETER, 250);
                            break;

                        case (HUMIDITY):
                            characteristic.ValueChanged += humidChanged;
                            HumidTitle.Foreground        = new SolidColorBrush(Colors.Green);
                            break;

                        case (MAGNETOMETER):
                            characteristic.ValueChanged += magnoChanged;
                            MagnoTitle.Foreground        = new SolidColorBrush(Colors.Green);
                            break;

                        case (BAROMETRIC_PRESSURE):
                            characteristic.ValueChanged += pressureChanged;
                            BaroTitle.Foreground         = new SolidColorBrush(Colors.Green);
                            calibrateBarometer();
                            break;

                        case (GYROSCOPE):
                            characteristic.ValueChanged += gyroChanged;
                            GyroTitle.Foreground         = new SolidColorBrush(Colors.Green);
                            break;

                        case (KEYS):
                            characteristic.ValueChanged += keyChanged;
                            KeyTitle.Foreground          = new SolidColorBrush(Colors.Green);
                            break;

                        default:
                            break;
                        }

                        // Save a reference to each active characteristic, so that handlers do not get prematurely killed
                        activeCharacteristics[sensor] = characteristic;

                        // Set the notify enable flag
                        await characteristic.WriteClientCharacteristicConfigurationDescriptorAsync(GattClientCharacteristicConfigurationDescriptorValue.Notify);
                    }
                }

                // Turn on sensor
                if (sensor >= 0 && sensor <= 5)
                {
                    characteristicList = gattService.GetCharacteristics(new Guid(SENSOR_GUID_PREFIX + sensor + SENSOR_ENABLE_GUID_SUFFFIX));
                    if (characteristicList != null)
                    {
                        GattCharacteristic characteristic = characteristicList[0];
                        if (characteristic.CharacteristicProperties.HasFlag(GattCharacteristicProperties.Write))
                        {
                            var writer = new Windows.Storage.Streams.DataWriter();
                            // Special value for Gyroscope to enable all 3 axes
                            if (sensor == GYROSCOPE)
                            {
                                writer.WriteByte((Byte)0x07);
                            }
                            else
                            {
                                writer.WriteByte((Byte)0x01);
                            }

                            await characteristic.WriteValueAsync(writer.DetachBuffer());
                        }
                    }
                }
            }
            Debug.WriteLine("End enable sensor: " + sensor.ToString());
        }
Example #38
0
            public static async Task TurnOffSensor(SensorChars sensorCharacteristics)
            {
                SensorServicesCls.SensorIndexes SensorIndex = sensorCharacteristics.Sensor_Index;
                Debug.WriteLine("Begin turn off sensor: " + SensorIndex.ToString());

                try
                {
                    // Turn on sensor
                    if (SensorIndex >= 0 && SensorIndex != SensorServicesCls.SensorIndexes.KEYS && SensorIndex != SensorServicesCls.SensorIndexes.IO_SENSOR && SensorIndex != SensorServicesCls.SensorIndexes.REGISTERS)
                    {
                        if (sensorCharacteristics.Charcteristics.Keys.Contains(SensorServicesCls.CharacteristicTypes.Enable))
                        {
                            GattCharacteristic characteristic = sensorCharacteristics.Charcteristics[SensorServicesCls.CharacteristicTypes.Enable];
                            if (characteristic != null)
                            {
                                if (characteristic.CharacteristicProperties.HasFlag(GattCharacteristicProperties.Write))
                                {
                                    var writer = new Windows.Storage.Streams.DataWriter();
                                    if (SensorIndex == SensorServicesCls.SensorIndexes.MOVEMENT)
                                    {
                                        byte[] bytes = new byte[] { 0x00, 0x00 };//Fixed
                                        writer.WriteBytes(bytes);
                                    }
                                    else
                                    {
                                        writer.WriteByte((Byte)0x00);
                                    }

                                    var status = await characteristic.WriteValueAsync(writer.DetachBuffer());
                                }
                            }
                        }
                    }
                }
                catch (Exception ex)
                {
                    Debug.WriteLine("Error: TurnOffSensor(): " + SensorIndex.ToString() + " " + ex.Message);
                }
                Debug.WriteLine("End turn off sensor: " + SensorIndex.ToString());
            }
Example #39
0
        private async void ButtonAction3_Click(object sender, RoutedEventArgs e)
        {
            var writeableChars = new[]
            {"Parrot_FC1", "Parrot_D22", "Parrot_D23", "Parrot_D24", "Parrot_D52", "Parrot_D53", "Parrot_D54"};

            DevicesInformation = string.Empty;
            foreach (var writeableChar in writeableChars)
            {
                foreach (var rsCharacteristic in _dicCharacteristics.Where(rsCharacteristic => rsCharacteristic.Value.CharName == writeableChar))
                {
                    await rsCharacteristic.Value.Characteristic.WriteClientCharacteristicConfigurationDescriptorAsync(GattClientCharacteristicConfigurationDescriptorValue.Notify);

                    DevicesInformation += $"  Test write {rsCharacteristic.Value.CharName}{Environment.NewLine}";
                    try
                    {
                        var charToTest = rsCharacteristic.Value.Characteristic;
                        byte[] arr1 = { 02, 40, 20, 09, 00, 05, 00, 04, 00, 12, 0xC0, 00, 01, 00 };
                        var writer = new DataWriter();
                        writer.WriteBytes(arr1);
                        await charToTest.WriteValueAsync(writer.DetachBuffer());
                        DevicesInformation += $"  - 1 OK{Environment.NewLine}";
                        await Task.Delay(TimeSpan.FromMilliseconds(100));

                        byte[] arr2 = { 02, 40, 20, 09, 00, 05, 00, 04, 00, 12, 0xBD, 00, 01, 00 };
                        writer = new DataWriter();
                        writer.WriteBytes(arr2);
                        await charToTest.WriteValueAsync(writer.DetachBuffer());
                        DevicesInformation += $"  - 2 OK{Environment.NewLine}";
                        await Task.Delay(TimeSpan.FromMilliseconds(100));

                        byte[] arr3 = { 02, 40, 20, 09, 00, 05, 00, 04, 00, 12, 0xE4, 00, 01, 00 };
                        writer = new DataWriter();
                        writer.WriteBytes(arr3);
                        await charToTest.WriteValueAsync(writer.DetachBuffer());
                        DevicesInformation += $"  - 3 OK{Environment.NewLine}";
                        await Task.Delay(TimeSpan.FromMilliseconds(100));

                        byte[] arr4 = { 02, 40, 20, 09, 00, 05, 00, 04, 00, 12, 0xE7, 00, 01, 00 };
                        writer = new DataWriter();
                        writer.WriteBytes(arr4);
                        await charToTest.WriteValueAsync(writer.DetachBuffer());
                        DevicesInformation += $"  - 4 OK{Environment.NewLine}";
                        await Task.Delay(TimeSpan.FromMilliseconds(100));

                        byte[] arr5 = { 02, 40, 20, 09, 00, 05, 00, 04, 00, 12, 52, 16, 01, 00 };
                        writer = new DataWriter();
                        writer.WriteBytes(arr5);
                        await charToTest.WriteValueAsync(writer.DetachBuffer());
                        DevicesInformation += $"  - 5 OK{Environment.NewLine}";
                        await Task.Delay(TimeSpan.FromMilliseconds(100));

                        byte[] arr6 = { 02, 40, 20, 09, 00, 05, 00, 04, 00, 12, 52, 26, 01, 00 };
                        writer = new DataWriter();
                        writer.WriteBytes(arr6);
                        await charToTest.WriteValueAsync(writer.DetachBuffer());
                        DevicesInformation += $"  - 6 OK{Environment.NewLine}";
                        await Task.Delay(TimeSpan.FromMilliseconds(100));
                    }
                    catch
                    {
                        DevicesInformation += $"  - ERROR{Environment.NewLine}";
                    }
                }
            }
            DevicesInformation += "Done";
        }
Example #40
0
        private async Task enableSensor(int sensor)
        {
            Debug.WriteLine("Begin enable sensor: " + sensor.ToString());
            GattDeviceService gattService = serviceList[sensor];

            if (gattService != null)
            {
                // Turn on notifications
                IReadOnlyList <GattCharacteristic> characteristicList;
                if (sensor >= 0 && sensor <= 2)
                {
                    characteristicList = gattService.GetCharacteristics(new Guid(SENSOR_GUID_PREFIX + sensor + SENSOR_NOTIFICATION_GUID_SUFFFIX));
                }
                else
                {
                    characteristicList = gattService.GetCharacteristics(LUXOMETER_CONFIGURATION_GUID);
                }

                if (characteristicList != null)
                {
                    GattCharacteristic characteristic = characteristicList[0];

                    if (characteristic.CharacteristicProperties.HasFlag(GattCharacteristicProperties.Notify))
                    {
                        switch (sensor)
                        {
                        case (IR_SENSOR):
                            characteristic.ValueChanged += tempChanged;
                            break;

                        case (HUMIDITY):
                            characteristic.ValueChanged += humidChanged;
                            break;

                        case (LUXOMETER):
                            characteristic.ValueChanged += luxChanged;
                            //BaroTitle.Foreground = new SolidColorBrush(Colors.Green);
                            break;

                        default:
                            break;
                        }

                        // Save a reference to each active characteristic, so that handlers do not get prematurely killed
                        activeCharacteristics[sensor] = characteristic;

                        // Set the notify enable flag
                        await characteristic.WriteClientCharacteristicConfigurationDescriptorAsync(GattClientCharacteristicConfigurationDescriptorValue.Notify);
                    }
                }

                // Turn on sensor
                if (sensor >= 0 && sensor <= 7)
                {
                    characteristicList = gattService.GetCharacteristics(new Guid(SENSOR_GUID_PREFIX + sensor + SENSOR_ENABLE_GUID_SUFFFIX));
                    if (characteristicList != null)
                    {
                        GattCharacteristic characteristic = characteristicList[0];
                        if (characteristic.CharacteristicProperties.HasFlag(GattCharacteristicProperties.Write))
                        {
                            var writer = new Windows.Storage.Streams.DataWriter();
                            // Special value for Gyroscope to enable all 3 axes
                            writer.WriteByte((Byte)0x01);

                            await characteristic.WriteValueAsync(writer.DetachBuffer());
                        }
                    }
                }
            }
            Debug.WriteLine("End enable sensor: " + sensor.ToString());
        }
Example #41
0
        private async void ButtonAction5_Click(object sender, RoutedEventArgs e)
        {
            DevicesInformation = string.Empty;
            try
            {
                var motors = _dicCharacteristics["Parrot_PowerMotors"].Characteristic;
                await motors.WriteClientCharacteristicConfigurationDescriptorAsync(GattClientCharacteristicConfigurationDescriptorValue.Indicate);
                byte[] arr1 = { 02, 40, 20, 09, 00, 05, 00, 04, 00, 12, 0xC0, 00, 01, 00 };


                var buffer = new DataWriter();
                buffer.WriteInt16(2);
                buffer.WriteInt16(1);
                buffer.WriteInt16(2);
                buffer.WriteInt16(0);
                buffer.WriteInt16(2);
                buffer.WriteInt16(0);
                buffer.WriteInt16(1);
                buffer.WriteInt16(1);
                buffer.WriteInt16(1);
                buffer.WriteInt16(1);
                buffer.WriteInt16(1);
                buffer.WriteDouble(0);

                await motors.WriteValueAsync(buffer.DetachBuffer(), GattWriteOption.WriteWithoutResponse);
                DevicesInformation += $"  - 1 OK{Environment.NewLine}";
            }
            catch (Exception exception)
            {
                DevicesInformation += $"  - ERROR {exception.Message}{Environment.NewLine}";
            }


        }
Example #42
0
        private async Task <bool> WriteSensor(byte[] bytes, ServiceCharacteristicsEnum characteristicEnum)
        {
            bool ret = false;

            Debug.WriteLine("Begin WriteSensor: " + SensorIndex.ToString());
            try
            {
                if (GattService != null)
                {
                    GattCharacteristic           characteristic = null;
                    GattCharacteristicProperties flag           = GattCharacteristicProperties.Write;
                    switch (characteristicEnum)
                    {
                    case ServiceCharacteristicsEnum.Data:
                        characteristic = this.Data;
                        break;

                    case ServiceCharacteristicsEnum.Notification:
                        flag           = GattCharacteristicProperties.Notify;
                        characteristic = this.Notification;
                        break;

                    case ServiceCharacteristicsEnum.Configuration:
                        characteristic = this.Configuration;
                        break;

                    case ServiceCharacteristicsEnum.Period:
                        characteristic = this.GattCharacteristicPeriod;
                        break;

                    case ServiceCharacteristicsEnum.Address:
                        characteristic = this.Address;
                        break;

                    case ServiceCharacteristicsEnum.Device_Id:
                        characteristic = this.Device_Id;
                        break;
                    }
                    if (characteristic != null)
                    {
                        if (characteristic.CharacteristicProperties.HasFlag(flag))
                        {
                            var writer = new Windows.Storage.Streams.DataWriter();
                            writer.WriteBytes(bytes);

                            var status = await characteristic.WriteValueAsync(writer.DetachBuffer());

                            if (status == GattCommunicationStatus.Success)
                            {
                                ret = true;
                            }
                        }
                    }
                }
            }
            catch (Exception ex)
            {
                Debug.WriteLine("Error: WriteSensor(): " + SensorIndex.ToString() + " " + ex.Message);
            }
            Debug.WriteLine("End WriteSensor " + SensorIndex.ToString());
            return(ret);
        }
        private async void WriteBlock_Click(object sender, RoutedEventArgs e)
        {
            var fx2Device = DeviceList.Current.GetSelectedDevice();

            if (fx2Device == null)
            {
                rootPage.NotifyUser("Fx2 device not connected or accessible", NotifyType.ErrorMessage);
                return;
            }

            var button = (Button)sender;
            button.IsEnabled = false;

            // Generate a string to write to the device
            var counter = writeCounter++;
            
            // Use a data writer to convert the string into a buffer
            var dataWriter = new DataWriter();
            var msg = "This is message " + counter;
            dataWriter.WriteString(msg);

            LogMessage("Write {0} begin: {1}", counter, msg);
            var bytesRead = await fx2Device.OutputStream.WriteAsync(dataWriter.DetachBuffer());
            LogMessage("Write {0} end: {1} bytes written", counter, bytesRead);

            button.IsEnabled = true;
        }
Example #44
0
        // Enable and subscribe to specified GATT characteristic
        private async Task enableSensor(int sensor)
        {
            GattDeviceService sensorDevice;

            if (_serviceList.TryGetValue(sensor, out sensorDevice))
            {
                GattCharacteristic notification;
                lock (_notifyList)
                {
                    if (!_notifyList.TryGetValue(sensor, out notification))
                    {
                        IReadOnlyList <GattCharacteristic> notificationList;
                        if (sensor >= 0 && sensor <= 5)
                        {
                            notificationList = sensorDevice.GetCharacteristics(new Guid(SENSOR_GUID_PREFIX + sensor + SENSOR_NOTIFICATION_GUID_SUFFFIX));
                        }
                        else
                        {
                            notificationList = sensorDevice.GetCharacteristics(BUTTONS_NOTIFICATION_GUID);
                        }
                        if (notificationList != null)
                        {
                            _notifyList.Add(sensor, notificationList[0]);
                        }
                    }
                }

                if (_notifyList.TryGetValue(sensor, out notification))
                {
                    Debug.WriteLine($"Begin enable sensor {sensor} - {notification.UserDescription}");
                    if (notification.CharacteristicProperties.HasFlag(GattCharacteristicProperties.Notify))
                    {
                        switch (sensor)
                        {
                        case (IR_SENSOR):
                            notification.ValueChanged += tempChanged;
                            break;

                        case (ACCELEROMETER):
                            notification.ValueChanged += accelChanged;
                            setSensorPeriod(ACCELEROMETER, 250);
                            break;

                        case (HUMIDITY):
                            notification.ValueChanged += humidChanged;
                            break;

                        case (MAGNETOMETER):
                            notification.ValueChanged += magnoChanged;
                            break;

                        case (BAROMETRIC_PRESSURE):
                            notification.ValueChanged += pressureChanged;
                            calibrateBarometer();
                            break;

                        case (GYROSCOPE):
                            notification.ValueChanged += gyroChanged;
                            break;

                        case (KEYS):
                            notification.ValueChanged += keyChanged;
                            break;

                        default:
                            break;
                        }

                        // Set the notify enable flag
                        var unused = await notification.WriteClientCharacteristicConfigurationDescriptorAsync(GattClientCharacteristicConfigurationDescriptorValue.Notify);
                    }
                }

                // Turn on sensor
                if (sensor >= 0 && sensor <= 5)
                {
                    IReadOnlyList <GattCharacteristic> enableCharacteristicList = sensorDevice.GetCharacteristics(new Guid(SENSOR_GUID_PREFIX + sensor + SENSOR_ENABLE_GUID_SUFFFIX));
                    if (enableCharacteristicList != null)
                    {
                        GattCharacteristic characteristic = enableCharacteristicList[0];
                        if (characteristic.CharacteristicProperties.HasFlag(GattCharacteristicProperties.Write))
                        {
                            var writer = new Windows.Storage.Streams.DataWriter();
                            // Special value for Gyroscope to enable all 3 axes
                            if (sensor == GYROSCOPE)
                            {
                                writer.WriteByte((Byte)0x07);
                            }
                            else
                            {
                                writer.WriteByte((Byte)0x01);
                            }

                            await characteristic.WriteValueAsync(writer.DetachBuffer());
                        }
                    }
                }

                // update UI and set value changed
                await Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, () =>
                {
                    switch (sensor)
                    {
                    case (IR_SENSOR):
                        IRTitle.Foreground = new SolidColorBrush(Colors.Green);
                        break;

                    case (ACCELEROMETER):
                        AccelTitle.Foreground = new SolidColorBrush(Colors.Green);
                        break;

                    case (HUMIDITY):
                        HumidTitle.Foreground = new SolidColorBrush(Colors.Green);
                        break;

                    case (MAGNETOMETER):
                        MagnoTitle.Foreground = new SolidColorBrush(Colors.Green);
                        break;

                    case (BAROMETRIC_PRESSURE):
                        BaroTitle.Foreground = new SolidColorBrush(Colors.Green);
                        break;

                    case (GYROSCOPE):
                        GyroTitle.Foreground = new SolidColorBrush(Colors.Green);
                        break;

                    case (KEYS):
                        KeyTitle.Foreground = new SolidColorBrush(Colors.Green);
                        break;

                    default:
                        break;
                    }
                });
            }
        }
        // Handles PeerFinder_AdvertiseButton click
        void PeerFinder_StartAdvertising(object sender, RoutedEventArgs e)
        {
            // If PeerFinder is started, stop it, so that new properties
            // selected by the user (Role/DiscoveryData) can be updated.
            if (_peerFinderStarted)
            {
                PeerFinder.Stop();
                _peerFinderStarted = false;
            }

            rootPage.NotifyUser("", NotifyType.ErrorMessage);
            if (!_peerFinderStarted)
            {
                // attach the callback handler (there can only be one PeerConnectProgress handler).
                PeerFinder.TriggeredConnectionStateChanged += new TypedEventHandler <object, TriggeredConnectionStateChangedEventArgs>(TriggeredConnectionStateChangedEventHandler);
                // attach the incoming connection request event handler
                PeerFinder.ConnectionRequested += new TypedEventHandler <object, ConnectionRequestedEventArgs>(PeerConnectionRequested);

                // Set the PeerFinder.Role property
                if (_launchByTap)
                {
                    PeerFinder.Role = rootPage.GetLaunchRole();
                }
                else
                {
                    switch (PeerFinder_SelectRole.SelectionBoxItem.ToString())
                    {
                    case "Peer":
                        PeerFinder.Role = PeerRole.Peer;
                        break;

                    case "Host":
                        PeerFinder.Role = PeerRole.Host;
                        break;

                    case "Client":
                        PeerFinder.Role = PeerRole.Client;
                        break;
                    }
                }

                // Set DiscoveryData property if the user entered some text
                if ((PeerFinder_DiscoveryData.Text.Length > 0) && (PeerFinder_DiscoveryData.Text != "What's happening today?"))
                {
                    using (var discoveryDataWriter = new Windows.Storage.Streams.DataWriter(new Windows.Storage.Streams.InMemoryRandomAccessStream()))
                    {
                        discoveryDataWriter.WriteString(PeerFinder_DiscoveryData.Text);
                        PeerFinder.DiscoveryData = discoveryDataWriter.DetachBuffer();
                    }
                }

                // start listening for proximate peers
                PeerFinder.Start();
                _peerFinderStarted = true;
                if (_browseConnectSupported && _triggeredConnectSupported)
                {
                    rootPage.NotifyUser("Tap another device to connect to a peer or click Browse for Peers button.", NotifyType.StatusMessage);
                    PeerFinder_BrowsePeersButton.Visibility = Visibility.Visible;
                    PeerFinder_SelectRole.Visibility        = Visibility.Visible;
                    PeerFinder_DiscoveryData.Visibility     = Visibility.Visible;
                }
                else if (_triggeredConnectSupported)
                {
                    rootPage.NotifyUser("Tap another device to connect to a peer.", NotifyType.StatusMessage);
                    PeerFinder_SelectRole.Visibility = Visibility.Visible;
                }
                else if (_browseConnectSupported)
                {
                    rootPage.NotifyUser("Click Browse for Peers button.", NotifyType.StatusMessage);
                    PeerFinder_BrowsePeersButton.Visibility = Visibility.Visible;
                    PeerFinder_SelectRole.Visibility        = Visibility.Visible;
                    PeerFinder_DiscoveryData.Visibility     = Visibility.Visible;
                }
            }
        }
        public static async void Interact(anki_vehicle vehicle, GattCharacteristic readChar, GattCharacteristic writeChar)
        {
            try
            {
                var    writer   = new Windows.Storage.Streams.DataWriter();
                byte[] rawBytes = null;
                GattCommunicationStatus result;
                readChar.ValueChanged += VehicleResponse;
                if (readChar.CharacteristicProperties == (GattCharacteristicProperties.Read | GattCharacteristicProperties.Notify))
                {
                    result = await readChar.WriteClientCharacteristicConfigurationDescriptorAsync(GattClientCharacteristicConfigurationDescriptorValue.Notify);
                }

                while (true)
                {
                    Console.Write("Please enter your command: ");
                    string input = Console.ReadLine();
                    if (input == "exit")
                    {
                        return;
                    }

                    switch (input)
                    {
                    case "ping":
                    {
                        anki_vehicle_msg msg = new anki_vehicle_msg();
                        msg.size   = ANKI_VEHICLE_MSG_BASE_SIZE;
                        msg.msg_id = (byte)AnkiMessage.ANKI_VEHICLE_MSG_C2V_PING_REQUEST;
                        rawBytes   = getBytes(msg);
                        writer.WriteBytes(rawBytes);
                        result = await writeChar.WriteValueAsync(writer.DetachBuffer());

                        break;
                    }

                    case "get-version":
                    {
                        anki_vehicle_msg msg = new anki_vehicle_msg();
                        msg.size   = ANKI_VEHICLE_MSG_BASE_SIZE;
                        msg.msg_id = (byte)AnkiMessage.ANKI_VEHICLE_MSG_C2V_VERSION_REQUEST;
                        rawBytes   = getBytes(msg);
                        writer.WriteBytes(rawBytes);
                        result = await writeChar.WriteValueAsync(writer.DetachBuffer());

                        break;
                    }

                    case "get-battery":
                    {
                        anki_vehicle_msg msg = new anki_vehicle_msg();
                        msg.size   = ANKI_VEHICLE_MSG_BASE_SIZE;
                        msg.msg_id = (byte)AnkiMessage.ANKI_VEHICLE_MSG_C2V_BATTERY_LEVEL_REQUEST;
                        rawBytes   = getBytes(msg);
                        writer.WriteBytes(rawBytes);
                        result = await writeChar.WriteValueAsync(writer.DetachBuffer());

                        break;
                    }
                    }
                }
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.Message);
            }
        }
        // Enable and subscribe to specified GATT characteristic
        private async void enableSensor(int sensor)
        {
            GattDeviceService gattService = serviceList[sensor];

            if (gattService != null)
            {
                // Turn on notifications
                IReadOnlyList <GattCharacteristic> characteristicList;
                if (sensor >= 0 && sensor <= 5)
                {
                    characteristicList = gattService.GetCharacteristics(new Guid("F000AA" + sensor + "1-0451-4000-B000-000000000000"));
                }
                else
                {
                    characteristicList = gattService.GetCharacteristics(new Guid("0000FFE1-0000-1000-8000-00805F9B34FB"));
                }

                if (characteristicList != null)
                {
                    GattCharacteristic characteristic = characteristicList[0];
                    if (characteristic.CharacteristicProperties.HasFlag(GattCharacteristicProperties.Notify))
                    {
                        switch (sensor)
                        {
                        /*
                         * case (IR_SENSOR):
                         *  characteristic.ValueChanged += tempChanged;
                         *  IRTitle.Foreground = new SolidColorBrush(Colors.Green);
                         *  break;
                         * case (ACCELEROMETER):
                         *  characteristic.ValueChanged += accelChanged;
                         *  AccelTitle.Foreground = new SolidColorBrush(Colors.Green);
                         *  setSensorPeriod(ACCELEROMETER, 250);
                         *  break;
                         * case (HUMIDITY):
                         *  characteristic.ValueChanged += humidChanged;
                         *  HumidTitle.Foreground = new SolidColorBrush(Colors.Green);
                         *  break;
                         * case (MAGNETOMETER):
                         *  characteristic.ValueChanged += magnoChanged;
                         *  MagnoTitle.Foreground = new SolidColorBrush(Colors.Green);
                         *  break;
                         * case (BAROMETRIC_PRESSURE):
                         *  characteristic.ValueChanged += pressureChanged;
                         *  BaroTitle.Foreground = new SolidColorBrush(Colors.Green);
                         *  calibrateBarometer();
                         *  break;
                         * case (GYROSCOPE):
                         *  characteristic.ValueChanged += gyroChanged;
                         *  GyroTitle.Foreground = new SolidColorBrush(Colors.Green);
                         *  break;
                         */
                        case (KEYS):
                            characteristic.ValueChanged += keyChanged;
                            // KeyTitle.Foreground = new SolidColorBrush(Colors.Green);
                            break;

                        default:
                            break;
                        }

                        // Save a reference to each active characteristic, so that handlers do not get prematurely killed
                        activeCharacteristics[sensor] = characteristic;

                        // Set the notify enable flag
                        await characteristic.WriteClientCharacteristicConfigurationDescriptorAsync(GattClientCharacteristicConfigurationDescriptorValue.Notify);
                    }
                }

                // Turn on sensor
                if (sensor >= 0 && sensor <= 5)
                {
                    characteristicList = gattService.GetCharacteristics(new Guid("F000AA" + sensor + "2-0451-4000-B000-000000000000"));
                    if (characteristicList != null)
                    {
                        GattCharacteristic characteristic = characteristicList[0];
                        if (characteristic.CharacteristicProperties.HasFlag(GattCharacteristicProperties.Write))
                        {
                            var writer = new Windows.Storage.Streams.DataWriter();
                            // Special value for Gyroscope to enable all 3 axes
                            if (sensor == GYROSCOPE)
                            {
                                writer.WriteByte((Byte)0x07);
                            }
                            else
                            {
                                writer.WriteByte((Byte)0x01);
                            }

                            await characteristic.WriteValueAsync(writer.DetachBuffer());
                        }
                    }
                }
            }
        }
Example #48
0
        private async Task <bool> SendPowerOffCommand()
        {
            var   writer = new Windows.Storage.Streams.DataWriter();
            short val    = CMD_OFF;

            writer.WriteInt16(val);
            GattCommunicationStatus writeResult = await _writeCharacteristic.WriteValueAsync(writer.DetachBuffer());

            bool success = writeResult == GattCommunicationStatus.Success;

            return(success);
        }
Example #49
0
            public void StartAdvertisement(
                string serviceName,
                bool autoAccept,
                bool preferGO,
                string pin,
                IList <WiFiDirectServiceConfigurationMethod> configMethods,
                WiFiDirectServiceStatus status,
                uint customStatus,
                string serviceInfo,
                string deferredServiceInfo,
                IList <String> prefixList
                )
            {
                ThrowIfDisposed();

                // Create Advertiser object for the service
                // NOTE: service name is internally limited to up to 255 bytes in UTF-8 encoding
                // Valid characters include alpha-numeric, '.', '-', and any multi-byte character
                // characters a-z, A-Z are case-insensitive when discovering services
                WiFiDirectServiceAdvertiser advertiser = new WiFiDirectServiceAdvertiser(serviceName);

                // Auto-accept services will connect without interaction from advertiser
                // NOTE: if the config method used for a connection requires a PIN, then the advertiser will have to accept the connection
                advertiser.AutoAcceptSession = autoAccept;

                // Set the Group Owner intent to a large value so that the advertiser will try to become the group owner (GO)
                // NOTE: The GO of a P2P connection can connect to multiple clients while the client can connect to a single GO only
                advertiser.PreferGroupOwnerMode = preferGO;

                // Default status is "Available", but services may use a custom status code (value > 1) if applicable
                advertiser.ServiceStatus           = status;
                advertiser.CustomServiceStatusCode = customStatus;

                // Service information can be up to 65000 bytes.
                // Service Seeker may explicitly discover this by specifying a short buffer that is a subset of this buffer.
                // If seeker portion matches, then entire buffer is returned, otherwise, the service information is not returned to the seeker
                // This sample uses a string for the buffer but it can be any data
                if (serviceInfo != null && serviceInfo.Length > 0)
                {
                    using (var tempStream = new Windows.Storage.Streams.InMemoryRandomAccessStream())
                    {
                        using (var serviceInfoDataWriter = new Windows.Storage.Streams.DataWriter(tempStream))
                        {
                            serviceInfoDataWriter.WriteString(serviceInfo);
                            advertiser.ServiceInfo = serviceInfoDataWriter.DetachBuffer();
                        }
                    }
                }
                else
                {
                    advertiser.ServiceInfo = null;
                }

                // This is a buffer of up to 144 bytes that is sent to the seeker in case the connection is "deferred" (i.e. not auto-accepted)
                // This buffer will be sent when auto-accept is false, or if a PIN is required to complete the connection
                // For the sample, we use a string, but it can contain any data
                if (deferredServiceInfo != null && deferredServiceInfo.Length > 0)
                {
                    using (var tempStream = new Windows.Storage.Streams.InMemoryRandomAccessStream())
                    {
                        using (var deferredSessionInfoDataWriter = new Windows.Storage.Streams.DataWriter(tempStream))
                        {
                            deferredSessionInfoDataWriter.WriteString(deferredServiceInfo);
                            advertiser.DeferredSessionInfo = deferredSessionInfoDataWriter.DetachBuffer();
                        }
                    }
                }
                else
                {
                    advertiser.DeferredSessionInfo = null;
                }

                // The advertiser supported configuration methods
                // Valid values are PIN-only (either keypad entry, display, or both), or PIN (keypad entry, display, or both) and WFD Services default
                // WFD Services Default config method does not require explicit PIN entry and offers a more seamless connection experience
                // Typically, an advertiser will support PIN display (and WFD Services Default), and a seeker will connect with either PIN entry or WFD Services Default
                if (configMethods != null)
                {
                    advertiser.PreferredConfigurationMethods.Clear();
                    foreach (var configMethod in configMethods)
                    {
                        advertiser.PreferredConfigurationMethods.Add(configMethod);
                    }
                }

                // Advertiser may also be discoverable by a prefix of the service name. Must explicitly specify prefixes allowed here.
                if (prefixList != null && prefixList.Count > 0)
                {
                    advertiser.ServiceNamePrefixes.Clear();
                    foreach (var prefix in prefixList)
                    {
                        advertiser.ServiceNamePrefixes.Add(prefix);
                    }
                }

                // For this sample, we wrap the advertiser in our own object which handles the advertiser events
                AdvertisementWrapper advertiserWrapper = new AdvertisementWrapper(advertiser, this, pin);

                AddAdvertiser(advertiserWrapper);

                RootPage.NotifyUser("Starting service...", NotifyType.StatusMessage);

                try
                {
                    // This may fail if the driver is unable to handle the request or if services is not supported
                    // NOTE: this must be called from the UI thread of the app
                    advertiser.Start();
                }
                catch (Exception ex)
                {
                    RootPage.NotifyUser(String.Format(CultureInfo.InvariantCulture, "Failed to start service: {0}", ex.Message), NotifyType.ErrorMessage);
                    throw;
                }
            }
Example #50
0
        private async void ButtonAction4_Click(object sender, RoutedEventArgs e)
        {
            var writeableChars = new[]
{"Parrot_FC1", "Parrot_D22", "Parrot_D23", "Parrot_D24", "Parrot_D52", "Parrot_D53", "Parrot_D54"};

            DevicesInformation = string.Empty;
            foreach (var writeableChar in writeableChars)
            {
                foreach (var rsCharacteristic in _dicCharacteristics.Where(rsCharacteristic => rsCharacteristic.Value.CharName == writeableChar))
                {
                    await rsCharacteristic.Value.Characteristic.WriteClientCharacteristicConfigurationDescriptorAsync(GattClientCharacteristicConfigurationDescriptorValue.Notify);

                    DevicesInformation += $"  Test write {rsCharacteristic.Value.CharName}{Environment.NewLine}";
                    try
                    {

                        var gattTransaction = new GattReliableWriteTransaction();

                        var charToTest = rsCharacteristic.Value.Characteristic;
                        byte[] arr1 = { 02, 40, 20, 09, 00, 05, 00, 04, 00, 12, 0xC0, 00, 01, 00 };
                        var writer = new DataWriter();
                        writer.WriteBytes(arr1);
                        gattTransaction.WriteValue(charToTest, writer.DetachBuffer());
                        DevicesInformation += $"  - 1 OK{Environment.NewLine}";

                        byte[] arr2 = { 02, 40, 20, 09, 00, 05, 00, 04, 00, 12, 0xBD, 00, 01, 00 };
                        writer = new DataWriter();
                        writer.WriteBytes(arr2);
                        gattTransaction.WriteValue(charToTest, writer.DetachBuffer());
                        DevicesInformation += $"  - 2 OK{Environment.NewLine}";

                        byte[] arr3 = { 02, 40, 20, 09, 00, 05, 00, 04, 00, 12, 0xE4, 00, 01, 00 };
                        writer = new DataWriter();
                        writer.WriteBytes(arr3);
                        gattTransaction.WriteValue(charToTest, writer.DetachBuffer());
                        DevicesInformation += $"  - 3 OK{Environment.NewLine}";

                        byte[] arr4 = { 02, 40, 20, 09, 00, 05, 00, 04, 00, 12, 0xE7, 00, 01, 00 };
                        writer = new DataWriter();
                        writer.WriteBytes(arr4);
                        gattTransaction.WriteValue(charToTest, writer.DetachBuffer());
                        DevicesInformation += $"  - 4 OK{Environment.NewLine}";

                        byte[] arr5 = { 02, 40, 20, 09, 00, 05, 00, 04, 00, 12, 52, 16, 01, 00 };
                        writer = new DataWriter();
                        writer.WriteBytes(arr5);
                        gattTransaction.WriteValue(charToTest, writer.DetachBuffer());
                        DevicesInformation += $"  - 5 OK{Environment.NewLine}";

                        byte[] arr6 = { 02, 40, 20, 09, 00, 05, 00, 04, 00, 12, 52, 26, 01, 00 };
                        writer = new DataWriter();
                        writer.WriteBytes(arr6);
                        gattTransaction.WriteValue(charToTest, writer.DetachBuffer());
                        DevicesInformation += $"  - 6 OK{Environment.NewLine}";

                        var status = await gattTransaction.CommitAsync();
                        switch (status)
                        {
                            case GattCommunicationStatus.Success:
                                DevicesInformation += "  Writing to your device OK !";
                                break;
                            case GattCommunicationStatus.Unreachable:
                                DevicesInformation += "  Writing to your device Failed !";
                                break;
                        }
                    }
                    catch (Exception exception)
                    {
                        DevicesInformation += $"  - ERROR {exception.Message}{Environment.NewLine}";
                    }
                }
            }
            DevicesInformation += "Done";
        }
Example #51
0
        /// <summary>
        /// Initialize the Rfcomm service's SDP attributes.
        /// </summary>
        /// <param name="rfcommProvider">The Rfcomm service provider to initialize.</param>
        private void InitializeServiceSdpAttributes(RfcommServiceProvider rfcommProvider)
        {
            var sdpWriter = new DataWriter();

            // Write the Service Name Attribute.

            sdpWriter.WriteByte(SdpServiceNameAttributeType);

            // The length of the UTF-8 encoded Service Name SDP Attribute.
            sdpWriter.WriteByte((byte)SdpServiceName.Length);

            // The UTF-8 encoded Service Name value.
            sdpWriter.UnicodeEncoding = Windows.Storage.Streams.UnicodeEncoding.Utf8;
            sdpWriter.WriteString(SdpServiceName);

            // Set the SDP Attribute on the RFCOMM Service Provider.
            rfcommProvider.SdpRawAttributes.Add(SdpServiceNameAttributeId, sdpWriter.DetachBuffer());
        }
Example #52
0
        internal async Task <bool> SendBLEData(StringBuilder sbCmd)
        {
            try
            {
                if (currentCharacteristic != null)
                {
                    using (var writer = new Windows.Storage.Streams.DataWriter())
                    {
                        writer.WriteString(sbCmd.ToString());
                        GattCommunicationStatus status = await currentCharacteristic.WriteValueAsync(writer.DetachBuffer(), GattWriteOption.WriteWithoutResponse);

                        return(status == GattCommunicationStatus.Success);
                    }
                }
            }
            catch (Exception e)
            {
                Debug.WriteLine(e);
            }

            return(false);
        }