HFRecHitAuxSetter.cc

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#include <algorithm>
#include <type_traits>

#include "DataFormats/HcalRecHit/interface/CaloRecHitAuxSetter.h"

#include "RecoLocalCalo/HcalRecAlgos/interface/HFAnodeStatus.h"
#include "RecoLocalCalo/HcalRecAlgos/interface/HFRecHitAuxSetter.h"


void HFRecHitAuxSetter::setAux(const HFPreRecHit& prehit,
                               const unsigned anodeStates[2],
                               const unsigned u_soiPhase,
                               HFRecHit* rechit)
{
    using namespace CaloRecHitAuxSetter;

    const int wantedPhase = u_soiPhase < 2U ? u_soiPhase : 2U;

    for (unsigned ianode=0; ianode<2; ++ianode)
    {
        uint32_t aux = 0;
        const HFQIE10Info* anodeInfo = prehit.getHFQIE10Info(ianode);
        if (anodeInfo)
        {
            const int nRaw = anodeInfo->nRaw();
            const int soiStored = anodeInfo->soi();
            if (soiStored < nRaw)
            {
                // SOI is in the raw data. Figure out a good
                // way to map ADCs into the three bytes available.
                int shift = 0;
                int nStore = nRaw;
                if (nRaw > 3)
                {
                    nStore = 3;
                    if (soiStored > wantedPhase)
                        shift = soiStored - wantedPhase;
                    if (shift + nStore > nRaw)
                        shift = nRaw - nStore;
                }

                // Fill out the ADC fields
                for (int iadc=0; iadc<nStore; ++iadc)
                {
                    const int istored = iadc + shift;
                    const QIE10DataFrame::Sample ts(anodeInfo->getRaw(istored));
                    setField(&aux, 0xff, iadc*8, ts.adc());
                    if (istored == soiStored)
                        setField(&aux, MASK_CAPID, OFF_CAPID, ts.capid());
                }
                setField(&aux, MASK_SOI, OFF_SOI, soiStored-shift);
            }
            else
                setField(&aux, MASK_SOI, OFF_SOI, 3U);
        }

        // Remember anode status
        static_assert(HFAnodeStatus::N_POSSIBLE_STATES <= MASK_STATUS+1,
                      "Possible states enum must fit into the bit field");
        setField(&aux, MASK_STATUS, OFF_STATUS, anodeStates[ianode]);

        // Fill the aux field in the rechit
        if (ianode)
            rechit->setAuxHF(aux);
        else
            rechit->setAux(aux);
    }
}