/// <summary>
/// Start the I/O thread.
/// </summary>
public void Start(SerialBuffer buffer, string name)
{
m_Buffer = buffer;
m_Name = name;
m_IsRunning = true;
try {
// Set the time outs
NativeMethods.COMMTIMEOUTS timeouts = new NativeMethods.COMMTIMEOUTS()
{
// We read only the data that is buffered
#if PL2303_WORKAROUNDS
// Time out if data hasn't arrived in 10ms, or if the read takes longer than 100ms in total
ReadIntervalTimeout = 10,
ReadTotalTimeoutConstant = 100,
ReadTotalTimeoutMultiplier = 0,
#else
// Non-asynchronous behaviour
ReadIntervalTimeout = System.Threading.Timeout.Infinite,
ReadTotalTimeoutConstant = 0,
ReadTotalTimeoutMultiplier = 0,
#endif
// We have no time outs when writing
WriteTotalTimeoutMultiplier = 0,
WriteTotalTimeoutConstant = 500
};
bool result = UnsafeNativeMethods.SetCommTimeouts(m_ComPortHandle, ref timeouts);
if (!result)
{
throw new IOException("Couldn't set CommTimeouts", Marshal.GetLastWin32Error());
}
m_Thread = new Thread(new ThreadStart(OverlappedIoThread))
{
Name = "SerialPortStream_" + m_Name,
IsBackground = true
};
m_Thread.Start();
} catch {
m_IsRunning = false;
throw;
}
}
public static extern bool SetCommTimeouts(SafeFileHandle hFile,
[In] ref NativeMethods.COMMTIMEOUTS lpCommTimeouts);