/// <summary> Wait for reply from the device. </summary>
/// <param name="structSize"> Size of the structure. </param>
/// <param name="timeout"> The timeout. </param>
/// <returns> returns received byte[] array. </returns>
public byte[] WaitForReply(int structSize, int timeout)
{
// set reference time for timeout
DateTime refTime = DateTime.Now + TimeSpan.FromMilliseconds(timeout);
// loop, waiting for the response to be available
while (_device.NumberOfBytesInRxBuffer() < structSize)
{
// check for timeout
Thread.Sleep(100);
if (DateTime.Now > refTime)
{
return(null);
}
}
// read the bytes into a new byte array
int bytesRead;
byte[] byteArray = new byte[structSize];
_device.Read(ref byteArray, structSize, out bytesRead);
return(byteArray);
}