public EltradeFiscalDeviceResponsePackage Send(EltradeFiscalDeviceRequestPackage package)
{
if (ReferenceEquals(null, package))
{
throw new ArgumentNullException(nameof(package));
}
response = EltradeFiscalDeviceResponsePackage.Empty;
try
{
serialPort.DataReceived += Read;
var bytes = package.Build(true);
reading = true;
log.Debug($"0x{package.Command.ToString("x2").ToUpper()} => {package.GetType().Name} {package.DataString}");
serialPort.Write(bytes, 0, bytes.Length);
var wait = 0;
while (reading && wait++ < 500) // mynkow
{
Thread.Sleep(10); // KnowHow: https://social.msdn.microsoft.com/Forums/en-US/ce8ce1a3-64ed-4f26-b9ad-e2ff1d3be0a5/serial-port-hangs-whilst-closing?forum=Vsexpressvcs
}
serialPort.DataReceived -= Read;
if (response?.Data?.Length != 0)
{
log.Debug($"0x{response.Command.ToString("x2").ToUpper()} Response => {response.GetHumanReadableData()}");
}
}
catch (IOException ex)
{
log.Warn("Repopening port", ex);
response = null;//mynkow
Dispose();
FindFiscalDevicePort();
}
catch (Exception ex)
{
log.Error("PAFA!", ex);
response = null;//mynkow
throw;
}
return(response);
}
public EltradeTransaction Enqueue(EltradeFiscalDeviceRequestPackage request, Func <EltradeFiscalDeviceResponsePackage, bool> then)
{
if (request is null)
{
throw new ArgumentNullException(nameof(request));
}
if (then is null)
{
requests.Enqueue(new RequestCallback(request));
}
else
{
requests.Enqueue(new RequestCallback(request, then));
}
return(this);
}
public RequestCallback(EltradeFiscalDeviceRequestPackage request, Func <EltradeFiscalDeviceResponsePackage, bool> then)
{
Request = request ?? throw new ArgumentNullException(nameof(request));
Then = then;
}
public EltradeTransaction Enqueue(EltradeFiscalDeviceRequestPackage request)
{
return(Enqueue(request, null));
}
public RequestCallback(EltradeFiscalDeviceRequestPackage request)
{
Request = request ?? throw new ArgumentNullException(nameof(request));
}