/// <summary>
/// Start device discovery
/// </summary>
public void StartDeviceDiscovery()
{
_logger?.LogDebug("Start device discovery");
_bgLib.BLEEventGAPScanResponse += OnScanResponse;
_bgLib.SendCommand(_bleModuleConnection.SerialPort, _bgLib.BLECommandGAPSetScanParameters(0xC8, 0xC8, 1));
_bgLib.SendCommand(_bleModuleConnection.SerialPort, _bgLib.BLECommandGAPDiscover(1));
}
/// <summary>
/// Send command to serialPort.
/// </summary>
private void SendCommand(byte[] cmd)
{
if (!CheckPortOpened())
{
return;
}
try
{
bglib.SendCommand(serialPort, cmd);
}
catch (Exception ex)
{
WriteTxtLog($"Serial port write failed: {ex.Message}");
}
}
public void AttachCharacteristic(CancellationToken appToken, int connectTimeoutInMilliseconds,
Action <BgBleDeviceAttribute> attributeNotifications, BgBleDeviceCharacteristic deviceCharacteristic)
{
if (deviceCharacteristic.ClientCharacteristicConfiguratorDescriptorHandle == 0)
{
return;
}
try
{
var lockTaken = false;
Monitor.TryEnter(ThreadLock, 150, ref lockTaken);
if (lockTaken)
{
if (_busy)
{
return;
}
_busy = true;
Monitor.Exit(ThreadLock);
}
_attributeNotifications = attributeNotifications;
_currentAction = new CancellationTokenSource();
var attachCharacteristicTokenSource =
CancellationTokenSource.CreateLinkedTokenSource(appToken,
_currentAction.Token);
_bglib.SendCommand(_serialPort,
_bglib.BLECommandATTClientAttributeWrite(deviceCharacteristic.ConnectionHandle,
deviceCharacteristic.ClientCharacteristicConfiguratorDescriptorHandle, new byte[] { 0x01, 0x00 }));
WaitHandle.WaitAny(new[] { attachCharacteristicTokenSource.Token.WaitHandle },
connectTimeoutInMilliseconds);
}
catch (Exception exception)
{
_logger.LogWarning(exception,
$"ControlPlus Repository: Unable to attach characteristic {deviceCharacteristic.CharacteristicId}");
}
_busy = false;
}
