ZdcUnpacker_impl Namespace Reference

Functions
template<class DigiClass >
const unsigned short *	unpack_compact (const unsigned short *startPoint, const unsigned short *limit, DigiClass &digi, int presamples, const HcalElectronicsId &eid, int startSample, int endSample, int expectedTime, const HcalHTRData &hhd)

Function Documentation

template<class DigiClass >

const unsigned short* ZdcUnpacker_impl::unpack_compact	(	const unsigned short *	startPoint,
		const unsigned short *	limit,
		DigiClass &	digi,
		int	presamples,
		const HcalElectronicsId &	eid,
		int	startSample,
		int	endSample,
		int	expectedTime,
		const HcalHTRData &	hhd
	)

Definition at line 19 of file ZdcUnpacker.cc.

References HcalHTRData::getFibOrbMsgBCN(), HcalHTRData::is_channel_header(), HcalHTRData::isUnsuppressed(), MessageLogger_cff::limit, compare_using_db::sample, HcalHTRData::unpack_per_channel_header(), HcalHTRData::wasMarkAndPassZS(), and HcalHTRData::zsBunchMask().

                                                                 {
    // set parameters
    digi.setPresamples(presamples);
    digi.setReadoutIds(eid);
    int flavor, error_flags, capid0, channelid;

    HcalHTRData::unpack_per_channel_header(*startPoint,flavor,error_flags,capid0,channelid);
    bool isCapRotating=!(error_flags&0x1);
    bool fiberErr=(error_flags&0x2);
    bool dataValid=!(error_flags&0x2);
    int fiberchan=channelid&0x3;
    int fiber=((channelid>>2)&0x7)+1;

    uint32_t zsmask=hhd.zsBunchMask()>>startSample;
    digi.setZSInfo(hhd.isUnsuppressed(),hhd.wasMarkAndPassZS(fiber,fiberchan),zsmask);

    if (expectedTime>=0 && !hhd.isUnsuppressed()) {
      digi.setFiberIdleOffset(hhd.getFibOrbMsgBCN(fiber)-expectedTime);
    }

    // what is my sample number?
    int ncurr=0,ntaken=0;
    const unsigned short* qie_work=startPoint;
    // we branch here between normal (flavor=5) and error mode (flavor=6)
    if (flavor==5) {
      for (qie_work++; qie_work!=limit && !HcalHTRData::is_channel_header(*qie_work); qie_work++) {
    int capidn=(isCapRotating)?((capid0+ncurr)%4):(capid0);
    int capidn1=(isCapRotating)?((capid0+ncurr+1)%4):(capid0);
    // two samples in one...
    HcalQIESample s0((*qie_work)&0x7F,capidn,fiber,fiberchan,dataValid,fiberErr);
    HcalQIESample s1(((*qie_work)>>8)&0x7F,capidn1,fiber,fiberchan,dataValid,fiberErr);
    
    if (ncurr>=startSample && ncurr<=endSample) {
      digi.setSample(ntaken,s0);
      ++ntaken;
    }
    ncurr++;
    if (ncurr>=startSample && ncurr<=endSample) {
      digi.setSample(ntaken,s1);
      ++ntaken;
    }
    ncurr++;
      }
      digi.setSize(ntaken);
    } else if (flavor==6) {
      for (qie_work++; qie_work!=limit && !HcalHTRData::is_channel_header(*qie_work); qie_work++) {
    if (ncurr>=startSample && ncurr<=endSample) {
      HcalQIESample sample((*qie_work)&0x7F,((*qie_work)>>8)&0x3,fiber,fiberchan,((*qie_work)>>10)&0x1,((*qie_work)>>11)&0x1);
      digi.setSample(ntaken,sample);
      ++ntaken;
    }
    ncurr++;
      }
      digi.setSize(ntaken);
    } else {
      edm::LogWarning("Bad Data") << "Invalid flavor " << flavor;
      qie_work=limit;
    }
    return qie_work;
  }