/// <summary>
/// Starts scanning for LE devices.
/// Example: BetterScanner.StartScanner(0, 29, 29)
/// </summary>
/// <param name="scanType">0 = Passive, 1 = Active</param>
/// <param name="scanInterval">Interval in 0.625 ms units</param>
/// <param name="scanWindow">Window in 0.625 ms units</param>
public static void StartScanner(int scanType, ushort scanInterval, ushort scanWindow)
{
var thread = new Thread(() =>
{
BLUETOOTH_FIND_RADIO_PARAM param = new BLUETOOTH_FIND_RADIO_PARAM();
param.Initialize();
IntPtr handle;
BluetoothFindFirstRadio(ref param, out handle);
uint outsize;
LE_SCAN_REQUEST req = new LE_SCAN_REQUEST {
scanType = scanType, scanInterval = scanInterval, scanWindow = scanWindow
};
DeviceIoControl(handle, 0x41118c, ref req, 8, IntPtr.Zero, 0, out outsize, IntPtr.Zero);
});
thread.Start();
}
/// <summary>
/// Starts scanning for LE devices.
/// Example: BetterScanner.StartScanner(0, 29, 29)
/// </summary>
/// <param name="scanType">0 = Passive, 1 = Active</param>
/// <param name="scanInterval">Interval in 0.625 ms units</param>
/// <param name="scanWindow">Window in 0.625 ms units</param>
public static void StartScanner(int scanType, ushort scanInterval, ushort scanWindow)
{
Action <object> action = (object obj) => {
BLUETOOTH_FIND_RADIO_PARAM param = new BLUETOOTH_FIND_RADIO_PARAM();
param.Initialize();
IntPtr handle;
BluetoothFindFirstRadio(ref param, out handle);
uint outsize;
LE_SCAN_REQUEST req = new LE_SCAN_REQUEST
{
scanType = scanType,
scanInterval = scanInterval,
scanWindow = scanWindow
};
DeviceIoControl(handle, 0x41118c, ref req, 8, IntPtr.Zero, 0, out outsize, IntPtr.Zero);
};
Task task = new Task(action, "nothing");
task.Start();
}
static extern bool DeviceIoControl(IntPtr hDevice, uint dwIoControlCode,
ref LE_SCAN_REQUEST lpInBuffer, uint nInBufferSize,
IntPtr lpOutBuffer, uint nOutBufferSize,
out uint lpBytesReturned, IntPtr lpOverlapped);
private static extern bool DeviceIoControl_(SafeFileHandle hDevice, uint dwIoControlCode, ref LE_SCAN_REQUEST lpInBuffer, uint nInBufferSize, IntPtr lpOutBuffer, uint nOutBufferSize, out uint lpBytesReturned, ref NativeOverlapped lpOverlapped);
/// <summary></summary>
public static bool DeviceIoControl(SafeFileHandle hDevice, uint dwIoControlCode, ref LE_SCAN_REQUEST ble_scan_request, IntPtr lpOutBuffer, uint nOutBufferSize, out uint lpBytesReturned, NativeOverlapped?overlapped)
{
var ovr = overlapped ?? new NativeOverlapped();
return(DeviceIoControl_(hDevice, dwIoControlCode, ref ble_scan_request, (uint)Marshal.SizeOf <LE_SCAN_REQUEST>(), lpOutBuffer, nOutBufferSize, out lpBytesReturned, ref ovr));
}
