SIMATIC WinCC Open Architecture Forum

Code: Select all

dpTestName = CharString("_MtmDriver.State.NumBytesTx:_original.._value");
DEBUG_MSG("MtmDriverIntDp::getDpName4Query dpTestName is : " << dpTestName);
if (DrvManager::getId(dpTestName, dpIdBytesTx)) {
	DEBUG_MSG("MtmDriverIntDp::getDpName4Query BytesTxAddr Address: " << dpIdBytesTx.getDp());

	if (!dpIdBytesTx.isNull())
		DrvManager::dpSet(dpIdBytesTx, IntegerVar(2));
	}
	else {
		DEBUG_MSG("MtmDriverIntDp::getDpName4Query BytesTxAddr GetID Failed.");
	}

Code: Select all

// impl just to signal the framework, that we want the DPIdTable
class WrapDrvPluginHdl : public DrvPluginHdl
{
  bool needDpContainer() override
  {
    // yes, give us the table
    return true;
  }
  void processValue(
    DpIdentifier &DpId,
    Variable *Var,
    BitVec &BitFlags,
    TimeVar &tm,
    PtrList &beforeValue,
    PtrList &afterValue
  ) override {
  // stub
  }
};

// then place following line into your DrvManager CTor
drvPluginHdl = new WrapDrvPluginHdl();