public int Read(byte[] buf, int offset, int len)
{
if (!fd.HasValue || len > READING_BUFFER_SIZE)
{
throw new Exception();
}
int res = ComWrapper.com_read(fd.Value, readingBuffer, len);
if (res != -1)
{
Marshal.Copy(readingBuffer, buf, offset, res);
}
else
{
throw new Exception();
}
return(res);
}
private void StartReading()
{
if (!fd.HasValue)
{
throw new Exception();
}
while (true)
{
CancellationToken.ThrowIfCancellationRequested();
int res = ComWrapper.com_read(fd.Value, readingBuffer, READING_BUFFER_SIZE);
if (res != -1)
{
byte[] buf = new byte[res];
Marshal.Copy(readingBuffer, buf, 0, res);
OnDataReceived(buf);
}
Thread.Sleep(50);
}
}