public SerialDataFrame AsSerialDataFrame()
{
if (Header != SerialFrameHeader.SOF || Data == null)
{
throw new InvalidOperationException("Not a data frame");
}
var result = new SerialDataFrame(Data);
return(result);
}
public async Task Write(SerialDataFrame frame, CancellationToken cancellationToken = default)
{
log.Information("Sending DataFrame for command {command}", frame.Command);
await writeSemaphore.WaitAsync(cancellationToken);
try
{
frame.UpdateCheckSum();
frameBeingSent = new TransmitedFrame(frame);
log.Verbose("Sending bytes for command {command}", frame.Command);
await frameStream.WriteAsync(frame.AsSerialFrame(), cancellationToken);
log.Verbose("Awaiting ACK for command {command}", frame.Command);
await frameBeingSent.Value.CompletionSource.Task;
frameBeingSent = null;
}
finally
{
writeSemaphore.Release();
}
log.Information("Sent with success");
}
public TransmitedFrame(SerialDataFrame data)
{
Data = data;
CompletionSource = new TaskCompletionSource <bool>();
}