public async Task <IEnumerable <byte> > TransceiveAsync(byte[] request, CancellationToken cancellationToken)
{
var wasOpenBefore = _inner.IsOpen;
if (!wasOpenBefore)
{
_inner.Open();
}
var result = await _inner.TransceiveAsync(request, cancellationToken);
if (PortMustBeClosed(wasOpenBefore))
{
_inner.Close();
}
return(result);
}
public void Close()
{
_inner.Close();
_semaphore.Release();
}
public void Close()
{
_serialPortTransceiverImplementation.Close();
}
public void Close() => _transceiver.Close();