private void _device_Inserted()
{
_timer.Stop();
if (EndPoint == null)
{
EndPoint = HidLibrary.HidDevices.Enumerate(21324).FirstOrDefault();
}
Attached?.Invoke(this, null);
}
private void _timer_Elapsed(object sender, System.Timers.ElapsedEventArgs e)
{
EndPoint = HidLibrary.HidDevices.Enumerate(21324).FirstOrDefault();
if (EndPoint == null)
{
return;
}
EndPoint.Removed += _device_Removed;
EndPoint.Inserted += _device_Inserted;
EndPoint.MonitorDeviceEvents = true;
}
public static (ReadStatus Status, byte[] Output) FastRead(this HidLibrary.HidDevice device)
{
try
{
var data = new byte[device.Capabilities.OutputReportByteLength];
uint bytesRead;
if (ReadFile(device.Handle, data, (uint)data.Length, out bytesRead, IntPtr.Zero))
{
return(ReadStatus.Success, data);
}
else
{
return(ReadStatus.NoDataRead, new byte[0]);
}
}
catch (Exception)
{
return(ReadStatus.ReadError, new byte[0]);
}
}
public static bool FastWrite(this HidLibrary.HidDevice device, byte[] buffer)
{
var deviceByteLength = device?.Capabilities.InputReportByteLength ?? 0;
var arrayLength = Math.Min(buffer.Length, deviceByteLength);
try
{
if (deviceByteLength > 0)
{
var outputBuffer = new byte[device.Capabilities.InputReportByteLength];
Array.Copy(buffer, outputBuffer, Math.Min(buffer.Length, device.Capabilities.InputReportByteLength));
var overlapped = new NativeOverlapped();
if (WriteFile(device.Handle, outputBuffer, (uint)outputBuffer.Length, out _, ref overlapped))
{
return(true);
}
}
return(false);
}
catch
{
return(false);
}
}
private void _device_Removed()
{
EndPoint = null;
Detached?.Invoke(this, null);
}