HFRecHitAuxSetter.h

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#ifndef RecoLocalCalo_HcalRecAlgos_HFRecHitAuxSetter_h_
#define RecoLocalCalo_HcalRecAlgos_HFRecHitAuxSetter_h_

#include "DataFormats/HcalRecHit/interface/HFRecHit.h"
#include "DataFormats/HcalRecHit/interface/HFPreRecHit.h"

//
// Set rechit "auxiliary words" for the dual-anode HF reco
//
struct HFRecHitAuxSetter
{
    // We will store up to three 8-bit ADC values
    static const unsigned MASK_ADC = 0xffffff;
    static const unsigned OFF_ADC = 0;

    // Which byte is used by the sample of interest.
    // Normally 0, 1, or 2. Value of 3 means that
    // something went wrong, and SOI was not stored
    // in the HFPreRecHit.
    static const unsigned MASK_SOI = 0x3;
    static const unsigned OFF_SOI = 24;

    // CAPID for the sample of interest.
    // Will be correct only if the SOI value
    // is less than 3.
    static const unsigned MASK_CAPID = 0x3;
    static const unsigned OFF_CAPID = 26;

    // Anode status value. It is assumed that
    // the possible anode status values are
    // defined in the HFAnodeStatus.h header.
    static const unsigned MASK_STATUS = 0xf;
    static const unsigned OFF_STATUS = 28;

    // Main function for setting the aux words.
    //
    // "soiPhase" argument tells us the byte into
    // which the sample of interest should be placed
    // in the aux word. "soiPhase" should be 0, 1, or 2.
    // The number of presamples stored will normally
    // be equal "soiPhase" and the number of postsamples
    // (2 - soiPhase).
    //
    static void setAux(const HFPreRecHit& prehit,
                       const unsigned anodeStates[2],
                       unsigned soiPhase,
                       HFRecHit* rechit);
};

#endif // RecoLocalCalo_HcalRecAlgos_HFRecHitAuxSetter_h_