private async Task <GattDescriptorsResult> GetDescriptorsAsyncImpl(BluetoothCacheMode cacheMode)
{
IReadOnlyList <GattDescriptor> descriptors = null;
List <GattDescriptor> found = new List <GattDescriptor>();
#if WIN32
foreach (Windows.Devices.Bluetooth.GenericAttributeProfile.GattDescriptor d in _characteristic.GetAllDescriptors())
{
found.Add(d);
}
#else
// Update for Creators Update
var result = await _characteristic.GetDescriptorsAsync();
if (result != null)
{
foreach (Windows.Devices.Bluetooth.GenericAttributeProfile.GattDescriptor d in result.Descriptors)
{
found.Add(d);
}
}
#endif
if (found.Count > 0)
{
descriptors = found.AsReadOnly();
}
return(new GattDescriptorsResult(descriptors));
}
protected async Task <object> PollNow(string deviceId, BluetoothCacheMode mode)
{
try
{
using (var device = await CreateDevice(deviceId))
{
var characteristic = await CreateCharacteristic(device, mode);
GattReadResult result = await characteristic.ReadValueAsync(mode);
if (result.Status != GattCommunicationStatus.Success)
{
throw result.ToException();
}
// force descriptors
var r = await characteristic.GetDescriptorsAsync();
// presentation format - first if available
var format = characteristic.PresentationFormats.FirstOrDefault();
if (format == null)
{
return(result.ToValue(DefaultPresentationFormat));
}
return(result.ToValue(format));
}
}
catch (ArgumentException)
{
return(null);
}
}
public async Task <byte> ReadBatteryLevelAsync(BluetoothCacheMode cacheMode = BluetoothCacheMode.Uncached)
{
GattStatus gattStatus = GattStatus.Unsupported;
var batteryLevelCharacteristic = this.GetCharacteristic(GattCharacteristicUuids.BatteryLevel);
if (batteryLevelCharacteristic == null)
{
gattStatus = GattStatus.UnknownCharacteristic;
}
else
{
GattReadResult readResult = await batteryLevelCharacteristic.ReadValueAsync(cacheMode);
gattStatus = (GattStatus)readResult.Status;
if (gattStatus == GattStatus.Success)
{
using (DataReader reader = DataReader.FromBuffer(readResult.Value))
{
return(reader.ReadByte());
}
}
}
OnError("ReadBatteryLevelAsync:" + gattStatus.ToString());
return(0);
}
/// <summary>
/// Reads data
/// </summary>
/// <param name="cacheMode">Caching mode. Often for data we want uncached data.</param>
/// <returns>BCValueList of results; each result is named based on the name in the characteristic string. E.G. U8|Hex|Red will be named Red</returns>
public async Task <BCBasic.BCValueList> ReadQWIIC(BluetoothCacheMode cacheMode = BluetoothCacheMode.Uncached)
{
if (!await EnsureCharacteristicAsync())
{
return(null);
}
IBuffer result = await ReadAsync(5, "QWIIC", cacheMode);
if (result == null)
{
return(null);
}
var datameaning = "OEB U8|HEX|Sensor U16|HEX|Channel1 U16|HEX|Channel2 U16|HEX|Channel3 U16|HEX|Channel4 U16|HEX|Channel5";
var parseResult = BluetoothDeviceController.BleEditor.ValueParser.Parse(result, datameaning);
QWIIC_Sensor = parseResult.ValueList.GetValue("Sensor").AsDouble;
QWIIC_Channel1 = parseResult.ValueList.GetValue("Channel1").AsDouble;
QWIIC_Channel2 = parseResult.ValueList.GetValue("Channel2").AsDouble;
QWIIC_Channel3 = parseResult.ValueList.GetValue("Channel3").AsDouble;
QWIIC_Channel4 = parseResult.ValueList.GetValue("Channel4").AsDouble;
QWIIC_Channel5 = parseResult.ValueList.GetValue("Channel5").AsDouble;
// Hint: get the data that's been read with e.g.
// var value = parseResult.ValueList.GetValue("LightRaw").AsDouble;
return(parseResult.ValueList);
}
private async Task <RfcommDeviceServicesResult> GetRfcommServicesAsyncImpl(BluetoothCacheMode cacheMode)
{
BluetoothError error = BluetoothError.Success;
List <RfcommDeviceService> services = new List <RfcommDeviceService>();
return(new RfcommDeviceServicesResult(error, services.AsReadOnly()));
}
public async Task <byte[]> ReadCharacteristicBytes(Guid characteristicGuid, BluetoothCacheMode cacheMode)
{
var ch = GetCharacteristic(characteristicGuid);
if (ch != null)
{
var properties = ch.CharacteristicProperties;
if ((properties & GattCharacteristicProperties.Read) != 0)
{
var result = await ch.ReadValueAsync(cacheMode);
var status = result.Status;
if (status != GattCommunicationStatus.Success)
{
throw new Exception("Read failed: " + status.ToString());
}
IBuffer buffer = result.Value;
uint size = buffer.Length;
DataReader reader = DataReader.FromBuffer(buffer);
byte[] data = new byte[size];
reader.ReadBytes(data);
return(data);
}
else
{
throw new Exception(string.Format("Characteristic '{0}' does not support GattCharacteristicProperties.Read"));
}
}
else
{
throw new Exception(string.Format("Characteristic '{0}' not found", characteristicGuid.ToString()));
}
}
/// <summary>
/// Reads data
/// </summary>
/// <param name="cacheMode">Caching mode. Often for data we want uncached data.</param>
/// <returns>BCValueList of results; each result is named based on the name in the characteristic string. E.G. U8|Hex|Red will be named Red</returns>
public async Task <BCBasic.BCValueList> ReadRegulatory_List(BluetoothCacheMode cacheMode = BluetoothCacheMode.Uncached)
{
if (!await EnsureCharacteristicAsync())
{
return(null);
}
IBuffer result = await ReadAsync(13, "Regulatory_List", cacheMode);
if (result == null)
{
return(null);
}
var datameaning = "U8|HEX|BodyType U8|HEX|BodyStructure STRING|ASCII|Data";
var parseResult = BluetoothDeviceController.BleEditor.ValueParser.Parse(result, datameaning);
Regulatory_List_BodyType = parseResult.ValueList.GetValue("BodyType").AsDouble;
Regulatory_List_BodyStructure = parseResult.ValueList.GetValue("BodyStructure").AsDouble;
Regulatory_List_Data = parseResult.ValueList.GetValue("Data").AsString;
// Hint: get the data that's been read with e.g.
// var value = parseResult.ValueList.GetValue("LightRaw").AsDouble;
return(parseResult.ValueList);
}
/// <summary>
/// Initializes a new instance of the <see cref="ObservableGattDeviceService" /> class.
/// </summary>
/// <param name="service">The service this class wraps</param>
public ObservableGattDeviceService(GattDeviceService service, BluetoothCacheMode cacheMode)
{
CacheMode = cacheMode;
Service = service;
Name = GattServiceUuidHelper.ConvertUuidToName(service.Uuid);
UUID = Service.Uuid.ToString();
GetAllCharacteristics();
}
private async Task <GattReadResult> DoReadValueAsync(BluetoothCacheMode cacheMode)
{
try
{
return(new GattReadResult(GattCommunicationStatus.Success, _characteristic.Value.ToArray()));
}
catch
{
return(new GattReadResult(GattCommunicationStatus.Unreachable, null));
}
}
private async Task <GattReadResult> DoReadValueAsync(BluetoothCacheMode cacheMode)
{
try
{
return(new GattReadResult(GattCommunicationStatus.Success, ((NSData)_descriptor.Value).ToArray()));
}
catch
{
return(new GattReadResult(GattCommunicationStatus.Unreachable, null));
}
}
private async Task <bool> GetAllPrimaryServices(BluetoothCacheMode cacheMode)
{
var succeeded = false;
string debugMsg = String.Format("GetAllPrimaryServices: ");
Debug.WriteLine(debugMsg + "Entering");
// Get all the services for this device
var result = await BluetoothLEDevice.GetGattServicesAsync(cacheMode);
if (result.Status == GattCommunicationStatus.Success)
{
System.Diagnostics.Debug.WriteLine(debugMsg + "GetGattServiceAsync SUCCESS");
lock (Services)
{
foreach (var serv in result.Services)
{
if (!GattServiceUuidHelper.IsReserved(serv.Uuid))
{
var temp = new ObservableGattDeviceService(serv);
// This isn't awaited so that the user can disconnect while the services are still being enumerated
temp.Initialize();
Services.Add(temp);
}
else
{
serv.Dispose();
}
}
ServiceCount = Services.Count();
}
succeeded = true;
}
else if (result.Status == GattCommunicationStatus.ProtocolError)
{
ErrorText = debugMsg + "GetGattServiceAsync Error: Protocol Error - " + result.ProtocolError.Value;
System.Diagnostics.Debug.WriteLine(ErrorText);
string msg = "Connection protocol error: " + result.ProtocolError.Value.ToString();
var messageDialog = new MessageDialog(msg, "Connection failures");
await messageDialog.ShowAsync();
}
else if (result.Status == GattCommunicationStatus.Unreachable)
{
ErrorText = debugMsg + "GetGattServiceAsync Error: Unreachable";
System.Diagnostics.Debug.WriteLine(ErrorText);
string msg = "Device unreachable";
var messageDialog = new MessageDialog(msg, "Connection failures");
await messageDialog.ShowAsync();
}
return(succeeded);
}
private async Task <RfcommDeviceServicesResult> GetRfcommServicesAsyncImpl(BluetoothCacheMode cacheMode)
{
BluetoothError error = BluetoothError.Success;
List <RfcommDeviceService> services = new List <Rfcomm.RfcommDeviceService>();
foreach (Guid g in GetRfcommServices(ref _info))
{
services.Add(new Rfcomm.RfcommDeviceService(this, Rfcomm.RfcommServiceId.FromUuid(g)));
}
return(new Rfcomm.RfcommDeviceServicesResult(error, services.AsReadOnly()));
}
private async Task <GattReadResult> DoReadValueAsync(BluetoothCacheMode cacheMode)
{
bool success = true;
if (cacheMode == BluetoothCacheMode.Uncached)
{
success = _service.Device._bluetoothGatt.ReadCharacteristic(_characteristic);
_readHandle.WaitOne();
}
return(new GattReadResult(success ? GattCommunicationStatus.Success : GattCommunicationStatus.Unreachable, _characteristic.GetValue()));
}
public static SDPCacheMode ToBluetoothSDPCacheMode(this BluetoothCacheMode mode)
{
switch (mode)
{
default:
case BluetoothCacheMode.Cached:
return(SDPCacheMode.Cached);
case BluetoothCacheMode.Uncached:
return(SDPCacheMode.Uncached);
}
}
private async Task ReadBatteryLevel(BluetoothLEDevice device, BluetoothCacheMode cacheMode)
{
try
{
batteryLevel = await ReadBluetoothValueByte(device, Constants.BTLESvcGuidBattery, Constants.BTLEChrGuidBattery, cacheMode);
}
catch (Exception)
{
batteryLevel = -1;
}
OnNotifyPropertyChanged($"{nameof(BatteryLevel)}");
OnNotifyPropertyChanged($"{nameof(BatteryIconGlyph)}");
OnNotifyPropertyChanged($"{nameof(BatteryIconColor)}");
}
private async Task ReadAllStatus(BluetoothLEDevice device, BluetoothCacheMode cacheMode)
{
try
{
await ReadBatteryLevel(device, cacheMode);
await ReadTemperature(device, cacheMode);
await ReadMode(device, cacheMode);
//isConnected = device.ConnectionStatus == BluetoothConnectionStatus.Connected;
isConnected = true;
}
catch (Exception)
{
isConnected = false;
}
}
private Task <GattDescriptorsResult> GetDescriptorsAsyncImpl(BluetoothCacheMode cacheMode)
{
List <GattDescriptor> descriptors = new List <GattDescriptor>();
try
{
foreach (BluetoothGattDescriptor descriptor in _characteristic.Descriptors)
{
descriptors.Add(new GattDescriptor(this, descriptor));
}
return(Task.FromResult(new GattDescriptorsResult(GattCommunicationStatus.Success, descriptors.AsReadOnly())));
}
catch
{
return(Task.FromResult(new GattDescriptorsResult(GattCommunicationStatus.Unreachable, null)));
}
}
private async Task ReadMode(BluetoothLEDevice device, BluetoothCacheMode cacheMode)
{
try
{
this.mode = await ReadBluetoothValueByte(device, Constants.BTLESvcGuidLight, Constants.BTLEChrGuidMode, cacheMode);
}
catch (Exception)
{
this.mode = 255;
}
foreach (var m in modes)
{
m.Active = m.ID == this.mode;
}
OnNotifyPropertyChanged($"{nameof(Mode)}");
}
private Task <GattDescriptorsResult> GetDescriptorsAsyncImpl(BluetoothCacheMode cacheMode)
{
IReadOnlyList <GattDescriptor> descriptors = null;
// Update for Creators Update
var result = _characteristic.GetAllDescriptors();
if (result != null)
{
List <GattDescriptor> found = new List <GattDescriptor>();
foreach (Windows.Devices.Bluetooth.GenericAttributeProfile.GattDescriptor d in result)
{
found.Add(d);
}
descriptors = found.AsReadOnly();
}
return(Task.FromResult(new GattDescriptorsResult(descriptors)));
}
private async Task <RfcommDeviceServicesResult> GetRfcommServicesAsyncImpl(BluetoothCacheMode cacheMode)
{
BluetoothError error = BluetoothError.Success;
List <RfcommDeviceService> services = new List <RfcommDeviceService>();
if (cacheMode == BluetoothCacheMode.Uncached)
{
error = _device.FetchUuidsWithSdp() ? BluetoothError.Success : BluetoothError.DeviceNotConnected;
}
ParcelUuid[] uuids = _device.GetUuids();
if (uuids != null)
{
foreach (ParcelUuid g in uuids)
{
services.Add(new RfcommDeviceService(this, RfcommServiceId.FromUuid(new Guid(g.Uuid.ToString()))));
}
}
return(new RfcommDeviceServicesResult(error, services.AsReadOnly()));
}
private async Task <RfcommDeviceServicesResult> GetRfcommServicesAsyncImpl(BluetoothCacheMode cacheMode)
{
BluetoothError error = BluetoothError.Success;
List <RfcommDeviceService> services = new List <RfcommDeviceService>();
#if WINDOWS_PHONE_APP || WINDOWS_PHONE
foreach (RfcommDeviceService service in _device.RfcommServices)
{
services.Add(service);
}
#else
var result = await _device.GetRfcommServicesAsync((Windows.Devices.Bluetooth.BluetoothCacheMode)((int)cacheMode));
error = (BluetoothError)((int)result.Error);
foreach (Windows.Devices.Bluetooth.Rfcomm.RfcommDeviceService service in result.Services)
{
services.Add(service);
}
#endif
return(new RfcommDeviceServicesResult(error, services.AsReadOnly()));
}
/// <summary>
/// Reads data
/// </summary>
/// <param name="cacheMode">Caching mode. Often for data we want uncached data.</param>
/// <returns>BCValueList of results; each result is named based on the name in the characteristic string. E.G. U8|Hex|Red will be named Red</returns>
public async Task <BCBasic.BCValueList> ReadBatteryLevel(BluetoothCacheMode cacheMode = BluetoothCacheMode.Uncached)
{
if (!await EnsureCharacteristicAsync())
{
return(null);
}
IBuffer result = await ReadAsync(15, "BatteryLevel", cacheMode);
if (result == null)
{
return(null);
}
var datameaning = "I8|DEC|BatteryLevel|%";
var parseResult = BluetoothDeviceController.BleEditor.ValueParser.Parse(result, datameaning);
BatteryLevel = parseResult.ValueList.GetValue("BatteryLevel").AsDouble;
// Hint: get the data that's been read with e.g.
// var value = parseResult.ValueList.GetValue("LightRaw").AsDouble;
return(parseResult.ValueList);
}
/// <summary>
/// Reads data
/// </summary>
/// <param name="cacheMode">Caching mode. Often for data we want uncached data.</param>
/// <returns>BCValueList of results; each result is named based on the name in the characteristic string. E.G. U8|Hex|Red will be named Red</returns>
public async Task <BCBasic.BCValueList> ReadAmbientLight(BluetoothCacheMode cacheMode = BluetoothCacheMode.Uncached)
{
if (!await EnsureCharacteristicAsync())
{
return(null);
}
IBuffer result = await ReadAsync(7, "AmbientLight", cacheMode);
if (result == null)
{
return(null);
}
var datameaning = "OEB U16|HEX|AmbientLight|Lux";
var parseResult = BluetoothDeviceController.BleEditor.ValueParser.Parse(result, datameaning);
AmbientLight_AmbientLight = parseResult.ValueList.GetValue("AmbientLight").AsDouble;
// Hint: get the data that's been read with e.g.
// var value = parseResult.ValueList.GetValue("LightRaw").AsDouble;
return(parseResult.ValueList);
}
/// <summary>
/// Reads data
/// </summary>
/// <param name="cacheMode">Caching mode. Often for data we want uncached data.</param>
/// <returns>BCValueList of results; each result is named based on the name in the characteristic string. E.G. U8|Hex|Red will be named Red</returns>
public async Task <BCBasic.BCValueList> ReadCentral_Address_Resolution(BluetoothCacheMode cacheMode = BluetoothCacheMode.Uncached)
{
if (!await EnsureCharacteristicAsync())
{
return(null);
}
IBuffer result = await ReadAsync(3, "Central_Address_Resolution", cacheMode);
if (result == null)
{
return(null);
}
var datameaning = "U8|DEC|AddressResolutionSupported";
var parseResult = BluetoothDeviceController.BleEditor.ValueParser.Parse(result, datameaning);
Central_Address_Resolution = parseResult.ValueList.GetValue("AddressResolutionSupported").AsDouble;
// Hint: get the data that's been read with e.g.
// var value = parseResult.ValueList.GetValue("LightRaw").AsDouble;
return(parseResult.ValueList);
}
/// <summary>
/// Reads data
/// </summary>
/// <param name="cacheMode">Caching mode. Often for data we want uncached data.</param>
/// <returns>BCValueList of results; each result is named based on the name in the characteristic string. E.G. U8|Hex|Red will be named Red</returns>
public async Task <BCBasic.BCValueList> ReadConnection_Parameter(BluetoothCacheMode cacheMode = BluetoothCacheMode.Uncached)
{
if (!await EnsureCharacteristicAsync())
{
return(null);
}
IBuffer result = await ReadAsync(2, "Connection_Parameter", cacheMode);
if (result == null)
{
return(null);
}
var datameaning = "BYTES|HEX|ConnectionParameter";
var parseResult = BluetoothDeviceController.BleEditor.ValueParser.Parse(result, datameaning);
Connection_Parameter = parseResult.ValueList.GetValue("ConnectionParameter").AsString;
// Hint: get the data that's been read with e.g.
// var value = parseResult.ValueList.GetValue("LightRaw").AsDouble;
return(parseResult.ValueList);
}
/// <summary>
/// Reads data
/// </summary>
/// <param name="cacheMode">Caching mode. Often for data we want uncached data.</param>
/// <returns>BCValueList of results; each result is named based on the name in the characteristic string. E.G. U8|Hex|Red will be named Red</returns>
public async Task <BCBasic.BCValueList> ReadAppearance(BluetoothCacheMode cacheMode = BluetoothCacheMode.Uncached)
{
if (!await EnsureCharacteristicAsync())
{
return(null);
}
IBuffer result = await ReadAsync(1, "Appearance", cacheMode);
if (result == null)
{
return(null);
}
var datameaning = "U16|Speciality^Appearance|Appearance";
var parseResult = BluetoothDeviceController.BleEditor.ValueParser.Parse(result, datameaning);
Appearance = parseResult.ValueList.GetValue("Appearance").AsDouble;
// Hint: get the data that's been read with e.g.
// var value = parseResult.ValueList.GetValue("LightRaw").AsDouble;
return(parseResult.ValueList);
}
/// <summary>
/// Reads data
/// </summary>
/// <param name="cacheMode">Caching mode. Often for data we want uncached data.</param>
/// <returns>BCValueList of results; each result is named based on the name in the characteristic string. E.G. U8|Hex|Red will be named Red</returns>
public async Task <BCBasic.BCValueList> ReadDevice_Name(BluetoothCacheMode cacheMode = BluetoothCacheMode.Uncached)
{
if (!await EnsureCharacteristicAsync())
{
return(null);
}
IBuffer result = await ReadAsync(0, "Device_Name", cacheMode);
if (result == null)
{
return(null);
}
var datameaning = "STRING|ASCII|Device_Name";
var parseResult = BluetoothDeviceController.BleEditor.ValueParser.Parse(result, datameaning);
Device_Name = parseResult.ValueList.GetValue("Device_Name").AsString;
// Hint: get the data that's been read with e.g.
// var value = parseResult.ValueList.GetValue("LightRaw").AsDouble;
return(parseResult.ValueList);
}
private async Task ReadTemperature(BluetoothLEDevice device, BluetoothCacheMode cacheMode)
{
try
{
var buffer = await ReadBluetoothValue(device, Constants.BTLESvcGuidLight, Constants.BTLEChrGuidTemperature, cacheMode);
if (buffer[2] != 0)
{
temperature = buffer[3] / 10.0;
}
else
{
temperature = double.NaN;
}
}
catch (Exception)
{
temperature = double.NaN;
}
OnNotifyPropertyChanged($"{nameof(Temperature)}");
OnNotifyPropertyChanged($"{nameof(HasTemperature)}");
OnNotifyPropertyChanged($"{nameof(TemperatureText)}");
}
private Task <GattDescriptorsResult> GetDescriptorsAsyncImpl(BluetoothCacheMode cacheMode)
{
List <GattDescriptor> descriptors = new List <GattDescriptor>();
try
{
if (cacheMode == BluetoothCacheMode.Uncached)
{
_service.Device.Peripheral.DiscoverDescriptors(_characteristic);
}
foreach (CBDescriptor d in _characteristic.Descriptors)
{
descriptors.Add(d);
}
return(Task.FromResult(new GattDescriptorsResult(GattCommunicationStatus.Success, descriptors.AsReadOnly())));
}
catch
{
return(Task.FromResult(new GattDescriptorsResult(GattCommunicationStatus.Unreachable, null)));
}
}
protected async Task <GattCharacteristic> CreateCharacteristic(BluetoothLEDevice deveice, BluetoothCacheMode mode)
{
var serviceResult = await deveice.GetGattServicesForUuidAsync(Service);
if (serviceResult.Status != GattCommunicationStatus.Success)
{
//TODO process proper result message
return(null);
}
foreach (var service in serviceResult.Services)
{
var result = await service.GetCharacteristicsForUuidAsync(Characteristic);
if (result.Status == GattCommunicationStatus.Success)
{
return(result.Characteristics.FirstOrDefault());
}
}
return(null);
}