void ConnectionDimFTM::UpdateDynamicData ( )

inlineprivatevirtual

Reimplemented from ConnectionFTM.

Definition at line 1296 of file ftmctrl.cc.

References data, first, fTimeStamp, fTriggerCounter, FTM::kFtmStates, DimService::setQuality(), DimDescribedService::Update(), and ConnectionFTM::UpdateDynamicData().

    {
        ConnectionFTM::UpdateDynamicData();

        const FTM::DimDynamicData data(fHeader, fDynamicData, fStaticData);
        fDimDynamicData.setQuality(fHeader.fState);
        fDimDynamicData.Update(data);

        uint64_t odiff = fDynamicData.fOnTimeCounter;
        uint32_t cdiff = fHeader.fTriggerCounter;
        uint64_t tdiff = fHeader.fTimeStamp;

        // The easiest way to detect whether the counters have been
        // reset or not is to detect a state change, because with
        // every state change they are reset. However, there are cases
        // when the trigger is switched on already (data run) and
        // the trigger is turned off ans switched on again within
        // a very short time, that the state of the previous and the
        // new report is the same. So in addition we have to check
        // for other indications. Any counter decreasing is a hint.
        // None of them should ever decrease. So all three are checked.
        const uint8_t state = fHeader.fState & FTM::States::kFtmStates;

        const bool first = state!=fPrevState ||
            fHeader.fTimeStamp<fTimeStamp ||
            fHeader.fTriggerCounter<fTriggerCounter ||
            fDynamicData.fOnTimeCounter<fTimeStampOn;

        if (!first)
        {
            tdiff -= fTimeStamp;
            odiff -= fTimeStampOn;
            cdiff -= fTriggerCounter;
        }

        // The observation time calculated in the first report is most likely
        // too large because the previous report is taken as reference,
        // but this is the best what could be done.
        const float rate = tdiff==0 ? 0 : 1e6*cdiff/tdiff;

        fTimeStamp      = fHeader.fTimeStamp;
        fTimeStampOn    = fDynamicData.fOnTimeCounter;
        fTriggerCounter = fHeader.fTriggerCounter;
        fPrevState      = state;

        const FTM::DimTriggerRates rates(fHeader, fDynamicData, fStaticData,
                                         rate, tdiff*1e-6, odiff*1e-6);

        fDimTriggerRates.setQuality(fHeader.fState);
        fDimTriggerRates.Update(rates);
    }

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