} //GetMessage
/// <summary>
/// Transmit message to the remote unit.
/// </summary>
/// <param name="Txmsg">Message to be transmitted</param>
/// <returns>
/// ALRes_Success:
/// Operation accomplished successfully
/// ALRes_DisInd:
/// Disconnect indication – connection has been shut down remotely or lost because of
/// communication error. Data is unavailable
/// </returns>
protected override AL_ReadData_Result TransmitMessage(MBUS_message Txmsg)
{
Flush(((MBUS_ProtocolParameters)GetProtocolParameters).InterframeGapSpan);
GetIProtocolParent.IncStTxFrameCounter();
switch (GetICommunicationLayer.FrameEndSignal(Txmsg))
{
case TFrameEndSignalRes.Success:
break;
case TFrameEndSignalRes.DisInd:
return(AL_ReadData_Result.ALRes_DisInd);
}
return(AL_ReadData_Result.ALRes_Success);
}
/// <summary>
/// Transmit message to the remote unit.
/// </summary>
/// <param name="toSendMessage">Message to be transmitted</param>
/// <returns>
/// ALRes_Success: Operation accomplished successfully
/// ALRes_DatTransferErrr: Data transfer is imposible because of a communication error – loss of
/// communication with a station
/// ALRes_DisInd: Disconnect indication – connection has been shut down remotely or lost because of
/// communication error. Data is unavailable
/// </returns>
protected override AL_ReadData_Result TransmitMessage(FrameStateMachine toSendMessage)
{
FrameStateMachine preparedToSend = m_Pool.GetEmptyISesDBuffer();
//tworzymy nowego message'a do wyslania- bedzie on zawieral dodatkowo bajty sumy kontrolna i wstawione znaki
preparedToSend.PrepareFrameToBeSend(toSendMessage);
switch (GetICommunicationLayer.FrameEndSignal(preparedToSend))
{
case TFrameEndSignalRes.Success:
GetIProtocolParent.IncStTxFrameCounter(); //uzupelniamy statystyki
break;
case TFrameEndSignalRes.DisInd:
return(AL_ReadData_Result.ALRes_DisInd);
}
preparedToSend.ReturnEmptyEnvelope();
return(AL_ReadData_Result.ALRes_Success);
}
/// <summary>
/// Transmit message to the remote unit.
/// </summary>
/// <param name="message">Message to be transmitted</param>
/// <returns>
/// ALRes_Success:
/// Operation accomplished successfully
/// ALRes_DisInd:
/// Disconnect indication – connection has been shut down remotely or lost because of
/// communication error. Data is unavailable
/// </returns>
protected override AL_ReadData_Result TransmitMessage(ModBusMessage message)
{
try
{
Flush(((ModBus_ProtocolParameters)GetProtocolParameters).Timeout35Span);
//flush may throw DisconnectException
}
catch (DisconnectException ex)
{
AssemblyTraceEvent.Tracer.TraceEvent(TraceEventType.Information, 130, $"ModBusProtocol.TransmitMessage.Flush: exception has been caught {ex.Message}");
return(AL_ReadData_Result.ALRes_DisInd);
}
GetIProtocolParent.IncStTxFrameCounter();
switch (GetICommunicationLayer.FrameEndSignal(message))
{
case TFrameEndSignalRes.Success:
break;
case TFrameEndSignalRes.DisInd:
return(AL_ReadData_Result.ALRes_DisInd);
}
return(AL_ReadData_Result.ALRes_Success);
}
