private void ReadThread()
{
try
{
byte[] timingCode = new byte[DeviceBuffer];
int codeLength = 0;
int returnCode;
DoSetInfraBufferEmpty();
while (true)
{
returnCode = DoGetInfraCode(ref timingCode, ref codeLength);
switch (returnCode)
{
case NO_ERROR:
byte[] data = new byte[codeLength];
Array.Copy(timingCode, data, codeLength);
int[] timingData = GetTimingData(data);
IrDecoder.DecodeIR(timingData, RemoteEvent, null, null);
Thread.Sleep(100);
DoSetInfraBufferEmpty();
break;
case NO_DATA_AVAILABLE:
continue;
case DEVICE_NOT_PRESENT:
throw new IOException("Device not present");
case INVALID_BAUDRATE:
throw new IOException("Invalid baud rate");
case OVERRUN_ERROR:
throw new IOException("Overrun error");
default:
throw new IOException(String.Format("Unknown error ({0})", returnCode));
}
}
}
#if TRACE
catch (ThreadAbortException ex)
{
Trace.WriteLine(ex.ToString());
}
#else
catch (ThreadAbortException)
{
}
#endif
}
private static IntermediateRepresentation DecodeIr(byte[] buffer)
{
var irDecoder = new IrDecoder(buffer);
return(irDecoder.Decode());
}
/// <summary>
/// Device read thread method.
/// </summary>
private void ReadThread()
{
byte[] packetBytes;
WaitHandle waitHandle = new ManualResetEvent(false);
SafeHandle safeWaitHandle = waitHandle.SafeWaitHandle;
WaitHandle[] waitHandles = new WaitHandle[] { waitHandle, _stopReadThread };
IntPtr deviceBufferPtr = IntPtr.Zero;
bool success = false;
safeWaitHandle.DangerousAddRef(ref success);
if (!success)
{
throw new InvalidOperationException("Failed to initialize safe wait handle");
}
try
{
IntPtr dangerousWaitHandle = safeWaitHandle.DangerousGetHandle();
DeviceIoOverlapped overlapped = new DeviceIoOverlapped();
overlapped.ClearAndSetEvent(dangerousWaitHandle);
deviceBufferPtr = Marshal.AllocHGlobal(DeviceBufferSize);
while (_readThreadMode != ReadThreadMode.Stop)
{
int lastError;
int bytesRead;
bool readDevice = ReadFile(_readHandle, deviceBufferPtr, DeviceBufferSize, out bytesRead,
overlapped.Overlapped);
lastError = Marshal.GetLastWin32Error();
if (!readDevice)
{
if (lastError != ErrorSuccess && lastError != ErrorIoPending)
{
throw new Win32Exception(lastError);
}
while (true)
{
int handle = WaitHandle.WaitAny(waitHandles, 2 * PacketTimeout, false);
if (handle == ErrorWaitTimeout)
{
continue;
}
if (handle == 0)
{
break;
}
if (handle == 1)
{
throw new ThreadInterruptedException("Read thread stopping by request");
}
throw new InvalidOperationException(String.Format("Invalid wait handle return: {0}", handle));
}
bool getOverlapped = GetOverlappedResult(_readHandle, overlapped.Overlapped, out bytesRead, true);
lastError = Marshal.GetLastWin32Error();
if (!getOverlapped && lastError != ErrorSuccess)
{
throw new Win32Exception(lastError);
}
}
if (bytesRead == 0)
{
continue;
}
packetBytes = new byte[bytesRead];
Marshal.Copy(deviceBufferPtr, packetBytes, 0, bytesRead);
DebugWrite("Received bytes ({0}): ", bytesRead);
DebugDump(packetBytes);
int[] timingData = null;
if (_decodeCarry != 0 || packetBytes[0] >= 0x81 && packetBytes[0] <= 0x9E)
{
timingData = GetTimingDataFromPacket(packetBytes);
}
else
{
double firmware = 0.0;
int indexOfFF = Array.IndexOf(packetBytes, (byte)0xFF);
while (indexOfFF != -1)
{
if (packetBytes.Length > indexOfFF + 2 && packetBytes[indexOfFF + 1] == 0x0B) // FF 0B XY - Firmware X.Y00
{
byte b1 = packetBytes[indexOfFF + 2];
firmware += (b1 >> 4) + (0.1 * (b1 & 0x0F));
DebugWriteLine("Firmware: {0}", firmware);
}
if (packetBytes.Length > indexOfFF + 2 && packetBytes[indexOfFF + 1] == 0x1B) // FF 1B XY - Firmware 0.0XY
{
byte b1 = packetBytes[indexOfFF + 2];
firmware += (0.01 * (b1 >> 4)) + (0.001 * (b1 & 0x0F));
DebugWriteLine("Firmware: {0}", firmware);
}
if (packetBytes.Length > indexOfFF + 1)
{
indexOfFF = Array.IndexOf(packetBytes, (byte)0xFF, indexOfFF + 1);
}
else
{
break;
}
}
}
switch (_readThreadMode)
{
case ReadThreadMode.Receiving:
{
IrDecoder.DecodeIR(timingData, _remoteCallback, _keyboardCallback, _mouseCallback);
break;
}
case ReadThreadMode.Learning:
{
if (timingData == null)
{
if (_learningCode.TimingData.Length > 0)
{
_learningCode = null;
_readThreadMode = ReadThreadMode.LearningFailed;
}
break;
}
if (_learningCode == null)
{
throw new InvalidOperationException("Learning not initialised correctly, _learningCode object is null");
}
_learningCode.AddTimingData(timingData);
// Example: 9F 01 02 9F 15 00 BE 80
int indexOf9F = Array.IndexOf(packetBytes, (byte)0x9F);
while (indexOf9F != -1)
{
if (packetBytes.Length > indexOf9F + 3 && packetBytes[indexOf9F + 1] == 0x15) // 9F 15 XX XX
{
byte b1 = packetBytes[indexOf9F + 2];
byte b2 = packetBytes[indexOf9F + 3];
int onTime, onCount;
GetIrCodeLengths(_learningCode, out onTime, out onCount);
double carrierCount = (b1 * 256) + b2;
if (carrierCount / onCount < 2.0)
{
_learningCode.Carrier = IrCode.CarrierFrequencyDCMode;
}
else
{
double carrier = 1000000 * carrierCount / onTime;
// TODO: Double-Check this calculation.
if (carrier > 32000)
{
_learningCode.Carrier = (int)(carrier + 0.05 * carrier - 0.666667);
// was: _learningCode.Carrier = (int) (carrier + 0.05*carrier - 32000/48000);
}
else
{
_learningCode.Carrier = (int)carrier;
}
}
_readThreadMode = ReadThreadMode.LearningDone;
break;
}
if (packetBytes.Length > indexOf9F + 1)
{
indexOf9F = Array.IndexOf(packetBytes, (byte)0x9F, indexOf9F + 1);
}
else
{
_readThreadMode = ReadThreadMode.LearningFailed;
break;
}
}
break;
}
}
}
}
catch (ThreadInterruptedException ex)
{
DebugWriteLine(ex.Message);
if (_readHandle != null)
{
CancelIo(_readHandle);
}
}
catch (Exception ex)
{
DebugWriteLine(ex.ToString());
if (_readHandle != null)
{
CancelIo(_readHandle);
}
}
finally
{
if (deviceBufferPtr != IntPtr.Zero)
{
Marshal.FreeHGlobal(deviceBufferPtr);
}
safeWaitHandle.DangerousRelease();
waitHandle.Close();
}
DebugWriteLine("Read Thread Ended");
}
private void buttonAttemptDecode_Click(object sender, EventArgs e)
{
// NOTES:
// All start with a correct RC6 0xFCA93 header.
/*
* int[][] timingData = new int[][]
* {
*
* new int[] { 2800, -750, 550, -350, 500, -400, 500, -800, 550, -800, 1400, -800, 550, -350, 500, -400, 500, -400, 500, -350, 500, -400, 500, -400, 500, -400, 500, -350, 500, -400, 500, -400, 950, -350, 500, -400, 500, -400, 500, -850, 450, -400, 500, -400, 500, -400, 6550, -850, 450, -400, 500, -400, 500, -850, 500, -800, 1400, -850, 500, -400, 450, -400, 500, -400, 500, -400, 500, -400, 450, -400, 500, -400, 500, -400, 500, -2800, 350, -400, 500, -400, 450, -450, 900, -25400 },
*
* new int[] { 2800, -750, 550, -350, 550, -350, 500, -800, 550, -800, 1400, -800, 550, -350, 550, -350, 500, -400, 500, -350, 550, -350, 500, -400, 500, -400, 500, -350, 550, -350, 500, -3750, 250, -400, 500, -800, 500, -400, 500, -400, 500, -400, 900, -850, 500, -400, 500, -400, 500, -350, 500, -400, 500, -400, 500, -400, 500, -350, 500, -400, 950, -31550 },
*
* new int[] { 2700, -850, 500, -400, 450, -400, 500, -850, 500, -850, 1350, -850, 500, -400, 500, -400, 450, -400, 500, -400, 500, -400, 500, -400, 450, -400, 500, -400, 500, -400, 500, -400, 900, -400, 500, -400, 500, -400, 450, -450, 450, -850, 500, -400, 450, -31750 },
*
* new int[] { 2700, -850, 450, -400, 500, -400, 500, -850, 450, -850, 1400, -850, 450, -450, 450, -400, 500, -400, 450, -450, 450, -450, 450, -400, 500, -400, 450, -450, 450, -450, 1850, -400, 500, -400, 450, -450, 450, -450, 900, -25400 },
*
* new int[] { 2700, -850, 450, -400, 500, -400, 450, -900, 450, -900, 1350, -850, 450, -450, 450, -400, 500, -400, 450, -450, 450, -450, 450, -400, 500, -400, 450, -5350, 450, -400, 500, -850, 450, -450, 450, -400, 500, -400, 900, -900, 450, -400, 500, -400, 450, -450, 450, -450, 450, -400, 500, -400, 450, -450, 450, -450, 900, -31750 },
*
* new int[] { 2700, -850, 450, -450, 450, -400, 500, -850, 450, -900, 1350, -850, 450, -450, 450, -450, 450, -400, 450, -450, 450, -450, 450, -450, 450, -400, 450, -450, 450, -450, 1100, -300, 450, -450, 450, -450, 450, -400, 500, -400, 900, -25400, },
*
* new int[] { 2700, -850, 450, -450, 450, -400, 500, -850, 450, -900, 1350, -850, 450, -450, 450, -450, 450, -400, 500, -400, 450, -450, 450, -450, 450, -400, 500, -4400, 450, -450, 450, -450, 450, -900, 400, -450, 450, -450, 450, -400, 950, -850, 450, -450, 450, -450, 450, -400, 450, -450, 450, -450, 450, -450, 450, -400, 450, -31750 },
*
* new int[] { 2650, -900, 450, -400, 500, -400, 450, -900, 450, -900, 1300, -900, 450, -450, 450, -400, 500, -400, 450, -450, 450, -450, 450, -400, 500, -400, 450, -450, 450, -450, 450, -400, 900, -450, 450, -450, 450, -450, 450, -400, 500, -850, 5150, -31750 },
*
* new int[] { 2650, -900, 450, -400, 500, -400, 450, -900, 450, -900, 1300, -900, 450, -400, 500, -400, 450, -450, 450, -450, 450, -400, 500, -400, 450, -450, 450, -450, 450, -950, 450, -450, 450, -400, 500, -400, 450, -450, 450, -450, 900, -25400 },
*
* new int[] { 2700, -900, 400, -450, 450, -450, 450, -900, 450, -850, 1350, -900, 450, -400, 450, -450, 450, -450, 450, -400, 500, -400, 450, -450, 450, -450, 450, -3750, 250, -400, 500, -400, 450, -450, 450, -900, 450, -400, 500, -400, 450, -450, 900, -900, 450, -400, 450, -450, 450, -450, 450, -400, 500, -400, 450, -450, 450, -31750 },
*
* new int[] { 2700, -900, 400, -450, 450, -450, 450, -850, 450, -900, 1350, -900, 400, -450, 450, -450, 450, -450, 450, -400, 450, -450, 450, -450, 450, -450, 450, -400, 500, -400, 450, -450, 900, -400, 500, -400, 450, -450, 450, -450, 450, -31750 },
*
* new int[] { 2700, -850, 450, -450, 450, -450, 450, -850, 450, -900, 1350, -900, 400, -450, 450, -450, 450, -400, 500, -400, 450, -450, 450, -450, 450, -450, 450, -400, 1000, -400, 450, -450, 450, -450, 450, -450, 450, -400, 500, -400, 900, -25400 },
*
* new int[] { 2700, -850, 450, -400, 500, -400, 450, -900, 450, -900, 1350, -850, 450, -450, 450, -400, 500, -400, 450, -450, 450, -450, 450, -400, 500, -400, 450, -3550, 450, -450, 450, -450, 450, -400, 500, -850, 450, -450, 450, -400, 500, -400, 900, -900, 450, -400, 500, -400, 450, -450, 450, -450, 450, -400, 500, -400, 450, -31750 },
*
* new int[] { 2700, -900, 450, -400, 450, -450, 450, -900, 450, -850, 1350, -900, 450, -400, 450, -450, 450, -450, 450, -450, 450, -400, 450, -450, 450, -450, 450, -450, 450, -400, 450, -450, 900, -450, 450, -400, 500, -400, 450, -450, 5300, -31750 },
*
* new int[] { 2700, -850, 450, -450, 450, -450, 450, -900, 400, -900, 1350, -900, 400, -450, 450, -450, 450, -400, 500, -400, 450, -450, 450, -450, 450, -400, 500, -400, 450, -12900, 450, -400, 500, -400, 450, -450, 450, -450, 450, -400, 500, -400, 900, -25400 },
*
* new int[] { 2700, -850, 450, -450, 450, -400, 450, -900, 450, -900, 1350, -850, 450, -450, 450, -400, 500, -400, 450, -450, 450, -450, 450, -400, 500, -400, 450, -2500, 650, -400, 450, -450, 450, -450, 450, -400, 500, -850, 450, -450, 450, -400, 500, -400, 900, -900, 450, -400, 500, -400, 450, -450, 450, -450, 450, -450, 450, -31750 },
*
* new int[] { 2700, -850, 450, -400, 500, -400, 450, -900, 450, -900, 1350, -850, 450, -450, 450, -400, 500, -400, 450, -450, 450, -450, 450, -400, 500, -400, 450, -450, 450, -450, 450, -400, 950, -400, 450, -450, 450, -450, 450, -400, 4650, -31750 },
*
* new int[] { 2700, -900, 400, -450, 450, -450, 450, -900, 450, -850, 1350, -900, 450, -400, 500, -400, 450, -450, 450, -450, 450, -400, 500, -400, 450, -450, 450, -450, 450, -11950, 450, -450, 450, -450, 450, -400, 500, -400, 450, -450, 450, -450, 450, -400, 900, -19050 },
*
* new int[] { 2700, -850, 450, -450, 450, -400, 500, -850, 450, -900, 1350, -850, 450, -450, 450, -450, 450, -400, 500, -400, 450, -450, 450, -450, 450, -400, 2400, -300, 900, -400, 500, -400, 450, -450, 450, -450, 450, -900, 400, -450, 450, -450, 450, -400, 950, -850, 450, -450, 450, -400, 500, -400, 450, -450, 450, -450, 4700, -31750 },
*
* new int[] { 2650, -900, 450, -400, 500, -400, 450, -900, 450, -900, 1300, -900, 450, -450, 450, -400, 500, -400, 450, -450, 450, -450, 450, -400, 500, -400, 450, -450, 450, -450, 450, -400, 950, -400, 450, -450, 450, -450, 450, -31750 },
*
* new int[] { 2700, -900, 450, -400, 450, -450, 450, -900, 450, -850, 1350, -900, 450, -400, 500, -400, 450, -450, 450, -450, 450, -400, 500, -400, 450, -450, 450, -450, 5350, -31750 },
*
* new int[] { 2700, -900, 400, -450, 450, -450, 450, -900, 450, -850, 1350, -900, 450, -400, 450, -450, 450, -450, 450, -400, 500, -400, 450, -450, 450, -450, 450, -1300, 450, -450, 900, -450, 450, -400, 500, -400, 450, -450, 450, -900, 450, -400, 450, -450, 450, -450, 900, -900, 400, -450, 450, -450, 450, -450, 450, -400, 450, -31750 },
*
* new int[] { 2700, -850, 450, -450, 450, -400, 500, -850, 450, -900, 1350, -850, 450, -450, 450, -450, 450, -400, 500, -400, 450, -450, 450, -450, 450, -400, 500, -400, 450, -450, 450, -450, 900, -400, 500, -400, 450, -450, 450, -31750 },
*
* new int[] { 2700, -850, 450, -400, 500, -400, 450, -900, 450, -900, 1300, -900, 450, -450, 450, -400, 500, -400, 450, -450, 450, -450, 450, -400, 500, -400, 450, -450, 4700, -450, 450, -400, 500, -400, 450, -450, 450, -450, 450, -400, 500, -400, 450, -450, 450, -450, 900, -19050 },
*
* new int[] { 2700, -900, 450, -400, 450, -450, 450, -900, 450, -850, 1350, -900, 450, -400, 500, -400, 450, -450, 450, -450, 450, 3350, 350, -900, 1350, -900, 450, -400, 450, -450, 450, -450, 450, -400, 500, -400, 450, -450, 450, -450, 450, -400, 500, -400, 450, -450, 900, -400, 500, -400, 450, -31750 },
*
* new int[] { 2650, -900, 450, -400, 500, -400, 450, -900, 450, -900, 1300, -900, 450, -450, 450, -400, 500, -400, 450, -450, 450, -450, 450, -400, 500, -400, 450, -450, 10650, -900, 450, -400, 500, -400, 450, -450, 450, -450, 450, -400, 500, -400, 450, -450, 450, -450, 900, -19050 },
*
* new int[] { 2700, -900, 450, -400, 450, -450, 450, -900, 450, -850, 1350, -900, 450, -400, 450, -450, 450, -450, 450, -450, 450, -400, 450, -450, 450, -450, 550, -350, 450, -400, 450, -450, 900, -450, 450, -400, 500, -400, 450, -450, 450, -900, 450, -400, 450, -450, 450, -450, 900, -900, 450, -400, 450, -450, 450, -450, 4700, -31750 },
*
* new int[] { 2700, -850, 450, -450, 450, -400, 500, -850, 450, -900, 1350, -900, 400, -450, 450, -450, 450, -450, 450, -400, 450, -450, 450, -450, 450, -450, 450, -400, 450, -450, 450, -450, 900, -400, 500, -400, 450, -31750 },
*
* new int[] { 2650, -900, 450, -400, 500, -400, 450, -900, 450, -900, 1300, -900, 450, -450, 450, -400, 500, -400, 450, -450, 450, -450, 450, -400, 500, -400, 450, -450, 10650, -900, 450, -400, 500, -400, 450, -450, 450, -450, 450, -400, 500, -400, 450, -450, 450, -450, 900, -19050 },
*
* new int[] { 2700, -900, 450, -400, 450, -450, 450, -900, 450, -850, 1350, -900, 450, -400, 500, -400, 450, -450, 450, -450, 450, -400, 500, -400, 450, -450, 450, -450, 450, -400, 500, -400, 900, -450, 450, -450, 450, -400, 500, -400, 450, -900, 450, -400, 500, -400, 450, -450, 900, -900, 450, -400, 450, -450, 450, -31750 },
*
* new int[] { 2700, -900, 400, -450, 450, -450, 450, -900, 450, -850, 1350, -900, 450, -400, 450, -450, 450, -450, 450, -400, 500, -400, 450, -450, 450, -450, 450, -400, 500, -400, 450, -450, 900, -450, 450, -400, 3350, -31750 },
*
* new int[] { 2650, -900, 450, -400, 450, -450, 450, -900, 450, -900, 1300, -900, 450, -400, 500, -400, 450, -450, 450, -450, 450, -400, 500, -400, 450, -450, 450, -450, 450, 2400, 50, -450, 900, -900, 450, -400, 450, -450, 450, -450, 450, -450, 450, -400, 450, -450, 450, -450, 450, -450, 900, -19050 },
*
* new int[] { 2700, -900, 400, -450, 450, -450, 450, -900, 450, -850, 1350, -900, 450, -400, 450, -450, 450, -450, 450, -400, 500, -400, 450, -450, 450, -450, 450, -400, 500, -400, 450, -450, 900, -450, 450, -400, 500, -400, 450, -450, 450, -900, 450, -400, 450, -450, 450, -450, 900, -900, 400, -450, 450, -450, 4300, -31750 },
*
* new int[] { 2700, -900, 400, -450, 450, -450, 450, -900, 450, -850, 1350, -900, 450, -400, 450, -450, 450, -450, 450, -400, 500, -400, 450, -450, 450, -450, 450, -400, 500, -400, 450, -450, 900, -450, 3600, -31750 },
*
* new int[] { 2700, -850, 450, -450, 450, -400, 500, -850, 450, -900, 1350, -850, 450, -450, 450, -450, 450, -400, 500, -400, 450, -450, 450, -450, 450, -400, 500, -400, 2300, -200, 450, -400, 900, -900, 450, -450, 450, -400, 500, -400, 450, -450, 450, -450, 450, -400, 500, -400, 450, -450, 900, -19050 },
*
* new int[] { 2650, -900, 450, -400, 450, -450, 450, -900, 450, -900, 1300, -900, 450, -400, 500, -400, 450, -450, 450, -450, 450, -400, 500, -400, 450, -450, 450, -450, 450, -400, 500, -400, 900, -450, 450, -450, 450, -400, 500, -400, 450, -900, 450, -400, 500, -400, 450, -450, 900, -900, 450, -400, 4650, -31750 },
*
* new int[] { 2700, -900, 400, -450, 450, -450, 450, -900, 400, -900, 1350, -900, 450, -400, 450, -450, 450, -450, 450, -400, 500, -400, 450, -450, 450, -450, 450, -400, 500, -400, 450, -450, 900, -3500, 550, -25400 },
*
* };
*
* for (int index = 0; index < timingData.GetLength(0); index++)
* {
* IrDecoder.DecodeIR(timingData[index], new RemoteCallback(RemoteEvent), new KeyboardCallback(KeyboardEvent), new MouseCallback(MouseEvent));
*
* //IrCode newCode = new IrCode(timingData[index]);
* //Pronto.WriteProntoFile(String.Format("C:\\{0}.ir", index), Pronto.ConvertIrCodeToProntoRaw(newCode));
* }
*/
IrDecoder.DecodeIR(_code.TimingData, RemoteEvent, KeyboardEvent, MouseEvent);
}
