async Task SimpleCommandTxRxAsync(ISweepCommand cmd)
{
var buffer = new byte[cmd.ExpectedAnswerLength];
// throwaway stuff in the RX buffer!
serialPort.DiscardInBuffer();
// TX then RX
await serialPort.WriteAsync(cmd.Command.Select(x => (byte)x).ToArray(), 0, cmd.Command.Length);
var bytesRead = await serialPort.ReadAsync(buffer, 0, cmd.ExpectedAnswerLength);
if(bytesRead == cmd.ExpectedAnswerLength)
{
cmd.ProcessResponse(buffer.Select(x => (char)x).ToArray());
}
else
{
throw new SweepProtocolErrorException(
$"Answer was {bytesRead} bytes long instead of expected {cmd.ExpectedAnswerLength}",
buffer.Select(x => (char)x).ToArray());
}
}
void SimpleCommandTxRx(ISweepCommand cmd)
{
SimpleCommandTxRxAsync(cmd).Wait();
}
