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);
}
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);
}
}
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));
}
}
IBuffer getBuffer(short i)
{
var writer = new Windows.Storage.Streams.DataWriter();
writer.WriteInt16(i);
return(writer.DetachBuffer());
}
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());
}
private async void SendData(GattCharacteristic characteristic, string str)
{
var dataWriter = new Windows.Storage.Streams.DataWriter();
dataWriter.WriteString(str);
await characteristic.WriteValueAsync(dataWriter.DetachBuffer());
}
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;
}
// ---------------------------------------------------
// 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);
}
}
}
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);
}
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.");
}
}
}
// ---------------------------------------------------
// 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();
}
}
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();
}
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();
}
}
}
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);
}
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;
}
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);
}
}
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());
}
}
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";
}
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;
});
});
}
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);
}
// 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());
}
}
}
}
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());
}
}
}
}
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 = "";
}
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
{
}
}
// 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());
}
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());
}
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";
}
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());
}
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}";
}
}
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;
}
// 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());
}
}
}
}
}
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);
}
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;
}
}
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";
}
/// <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());
}
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);
}
