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#ifndef DataFormats_HcalRecHit_HBHERecHitAuxSetter_h_
#define DataFormats_HcalRecHit_HBHERecHitAuxSetter_h_
#include "DataFormats/HcalRecHit/interface/HBHERecHit.h"
#include "DataFormats/HcalRecHit/interface/HBHEChannelInfo.h"
#include "DataFormats/HcalRecHit/interface/CaloRecHitAuxSetter.h"
//
// Set rechit "auxiliary words" for the Phase 1 HBHE reco.
//
// The standars CaloRecHit "aux" word contains ADC values 0-3.
//
// The "auxHBHE" word of HBHERecHit contains ADC values 4-7.
//
// The "auxPhase1" word of HBHERecHit contains ADC values 8-9
// and other info, as specified by the masks and offsets below.
//
struct HBHERecHitAuxSetter {
static const unsigned MASK_ADC = 0xffff;
static const unsigned OFF_ADC = 0;
// How many ADC values are actually stored
static const unsigned MASK_NSAMPLES = 0xf;
static const unsigned OFF_NSAMPLES = 16;
// Which ADC corresponds to the sample of interest.
static const unsigned MASK_SOI = 0xf;
static const unsigned OFF_SOI = 20;
// CAPID for the sample of interest.
static const unsigned MASK_CAPID = 0x3;
static const unsigned OFF_CAPID = 24;
// Various status bits (pack bools from HBHEChannelInfo)
static const unsigned OFF_TDC_TIME = 26;
static const unsigned OFF_DROPPED = 27;
static const unsigned OFF_LINK_ERR = 28;
static const unsigned OFF_CAPID_ERR = 29;
// Flag identifying combined "Plan 1" rechits
static const unsigned OFF_COMBINED = 30;
// Main function for setting the aux words.
constexpr static void setAux(const HBHEChannelInfo& info, HBHERecHit* rechit);
};
constexpr void HBHERecHitAuxSetter::setAux(const HBHEChannelInfo& info, HBHERecHit* rechit) {
using namespace CaloRecHitAuxSetter;
uint32_t aux = 0, auxHBHE = 0, auxPhase1 = 0;
// Pack ADC values
unsigned nSamples = info.nSamples();
if (nSamples > 10)
nSamples = 10;
for (unsigned i = 0; i < 4 && i < nSamples; ++i)
setField(&aux, 0xff, i * 8, info.tsAdc(i));
for (unsigned i = 4; i < 8 && i < nSamples; ++i)
setField(&auxHBHE, 0xff, (i - 4) * 8, info.tsAdc(i));
for (unsigned i = 8; i < nSamples; ++i)
setField(&auxPhase1, 0xff, (i - 8) * 8, info.tsAdc(i));
// Pack other fields
setField(&auxPhase1, MASK_NSAMPLES, OFF_NSAMPLES, nSamples);
unsigned soi = info.soi();
if (soi > 10)
soi = 10;
setField(&auxPhase1, MASK_SOI, OFF_SOI, soi);
setField(&auxPhase1, MASK_CAPID, OFF_CAPID, info.capid());
// Pack status bits
setBit(&auxPhase1, OFF_TDC_TIME, info.hasTimeInfo());
setBit(&auxPhase1, OFF_DROPPED, info.isDropped());
setBit(&auxPhase1, OFF_LINK_ERR, info.hasLinkError());
setBit(&auxPhase1, OFF_CAPID_ERR, info.hasCapidError());
// Copy the aux words into the rechit
rechit->setAux(aux);
rechit->setAuxHBHE(auxHBHE);
rechit->setAuxPhase1(auxPhase1);
}
#endif // DataFormats_HcalRecHit_HBHERecHitAuxSetter_h_
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