private void ProcessBgBle_FetchCharacteristics(BgBleDeviceService deviceClientGroup)
{
if (deviceClientGroup == null)
{
return;
}
_currentActionTokenSource = new CancellationTokenSource();
var fetchCharacteristicsTokenSource =
CancellationTokenSource.CreateLinkedTokenSource(_applicationCancellationTokenSource.Token,
_currentActionTokenSource.Token);
_logger.LogInformation($"BgBle Service: Fetching characteristics for {deviceClientGroup.ServiceId}");
_bleRepository.FetchCharacteristics(fetchCharacteristicsTokenSource.Token,
DeviceTimeout, deviceClientGroup);
}
public void Connect(CancellationToken connectToken, CancellationToken appToken,
int connectTimeoutInMilliseconds, BgBleDevice deviceToConnect)
{
try
{
var lockTaken = false;
Monitor.TryEnter(ThreadLock, 150, ref lockTaken);
if (lockTaken)
{
if (_busy)
{
return;
}
_busy = true;
Monitor.Exit(ThreadLock);
}
_device = deviceToConnect;
_currentAction = new CancellationTokenSource();
var connectToDevicesTokenSource =
CancellationTokenSource.CreateLinkedTokenSource(connectToken,
_currentAction.Token);
_bglib.SendCommand(_serialPort,
_bglib.BLECommandGAPConnectDirect(deviceToConnect.Identifier,
deviceToConnect.Advertisement.AddressType, 0x20, 0x30, 0x100, 0));
WaitHandle.WaitAny(new[] { connectToDevicesTokenSource.Token.WaitHandle }, connectTimeoutInMilliseconds);
// cleanup takes 125ms
_bglib.SendCommand(_serialPort, _bglib.BLECommandGAPEndProcedure());
WaitHandle.WaitAny(new[] { appToken.WaitHandle }, 130);
_logger.LogInformation(
$"ControlPlus Repository: Connected to device {deviceToConnect.Address} with {_device.Services.Count} services");
}
catch (Exception exception)
{
_logger.LogWarning(exception,
$"ControlPlus Repository: Unable to connect to device {deviceToConnect.Address}");
}
_deviceService = null;
_device = null;
_busy = false;
}
public void FetchCharacteristics(CancellationToken appToken, int connectTimeoutInMilliseconds,
BgBleDeviceService deviceService)
{
deviceService.Characteristics.Clear();
try
{
var lockTaken = false;
Monitor.TryEnter(ThreadLock, 150, ref lockTaken);
if (lockTaken)
{
if (_busy)
{
return;
}
_busy = true;
Monitor.Exit(ThreadLock);
}
_deviceService = deviceService;
_currentAction = new CancellationTokenSource();
var populateClientInformationTokenSource =
CancellationTokenSource.CreateLinkedTokenSource(appToken,
_currentAction.Token);
_bglib.SendCommand(_serialPort,
_bglib.BLECommandATTClientFindInformation(deviceService.ConnectionHandle, deviceService.Start,
deviceService.End));
WaitHandle.WaitAny(new[] { populateClientInformationTokenSource.Token.WaitHandle },
connectTimeoutInMilliseconds);
}
catch (Exception exception)
{
_logger.LogWarning(exception,
$"ControlPlus Repository: Unable to populate Client Information {deviceService.ServiceId}");
}
_lastCharacteristic = null;
_deviceService = null;
_device = null;
_busy = false;
}
protected virtual void Dispose(bool disposing)
{
_bgBleService = null;
_bgBleDeviceService = null;
}
public BluegigaPoweredUpBluetoothService(BgBleService bgBleService, BgBleDeviceService bgBleDeviceService)
{
_bgBleService = bgBleService;
_bgBleDeviceService = bgBleDeviceService;
}
