private IQcdmCommandResponse WriteCommandAndReadResponse(IQcdmCommandRequest request, byte[] data, bool logCommands)
{
IQcdmCommandResponse response = null;
var counter = 10;
while (!TryWriteCommandAndReadResponse(request, data, logCommands, ref response))
{
--counter;
if (counter <= 0)
{
throw new QcdmManagerException(Strings.InvalidResponseCrc);
}
}
return(response);
}
private bool TryWriteCommandAndReadResponse(IQcdmCommandRequest request, byte[] data, bool logCommands, ref IQcdmCommandResponse response)
{
try
{
_port.Write(data);
var doRead = true;
var counter = 30;
while (doRead)
{
var responseData = _port.Read();
if (logCommands)
{
LogCommandResponseDebug(request.Command, responseData);
}
response = CreateResponse(responseData);
doRead = response.Command != request.Command &&
response.Command != QcdmCommand.BadCmd &&
response.Command != QcdmCommand.BadLen &&
response.Command != QcdmCommand.BadParm;
if (doRead)
{
ProcessLogResponse(_logger, response);
}
--counter;
if (counter <= 0)
{
throw new QcdmManagerException(Strings.QcdmManyLogLines);
}
}
return(true);
}
catch (HdlcEncoderException ex)
{
if (ex.IsInvalidCrc)
{
return(false);
}
throw ex;
}
}
public IQcdmCommandResponse ExecuteQcdmCommandRequest(IQcdmCommandRequest request)
{
if (!IsOpen)
{
throw new QcdmManagerException(Strings.QcdmSerialPortIsNotOpen);
}
var logCommands = false; //Debugger.IsAttached;
var data = request.GetData();
if (logCommands)
{
LogCommandRequestDebug(request.Command, data);
}
var response = WriteCommandAndReadResponse(request, data, logCommands);
return(response);
}
public IQcdmCommandResponse ExecuteQcdmCommandRequest(IQcdmCommandRequest request)
{
if (!IsOpen)
{
throw new QcdmManagerException(Strings.QcdmSerialPortIsNotOpen);
}
var logCommands = false; //Debugger.IsAttached;
var data = request.GetData();
if (logCommands)
{
LogCommandRequestDebug(request.Command, data);
}
_port.Write(data);
var doRead = true;
IQcdmCommandResponse response = null;
var counter = 0;
while (doRead)
{
var responseData = _port.Read();
if (logCommands)
{
LogCommandResponseDebug(request.Command, responseData);
}
response = CreateResponse(responseData);
doRead = response.Command != request.Command;
++counter;
if (counter > 15)
{
throw new QcdmManagerException(Strings.QcdmManyLogLines);
}
}
return(response);
}
public T ExecuteQcdmCommandRequest <T>(IQcdmCommandRequest request) where T : class, IQcdmCommandResponse
{
var response = ExecuteQcdmCommandRequest(request);
return(response as T);
}
