HcalTDC Class Reference

#include <HcalTDC.h>

Public Member Functions
double	getThreshold () const
unsigned int	getThresholdDAC ()
	HcalTDC (double threshold_currentTDC=0.)
std::vector< int >	leadingEdgeTDC (const CaloSamples &lf) const
void	setDbService (const HcalDbService *service)
	the Producer will probably update this every event More...
void	setThresholdDAC (unsigned int DAC)
void	timing (const CaloSamples &lf, QIE11DataFrame &digi) const
void	timing (const CaloSamples &lf, QIE10DataFrame &digi) const
	~HcalTDC ()

Private Attributes
double const	lsb
unsigned int	theDAC
const HcalDbService *	theDbService
HcalTDCParameters	theTDCParameters
double	threshold_currentTDC_

Detailed Description

Definition at line 18 of file HcalTDC.h.

Constructor & Destructor Documentation

HcalTDC::HcalTDC

(

double

threshold_currentTDC = 0.

)

Definition at line 7 of file HcalTDC.cc.

    : theTDCParameters(), theDbService(nullptr), threshold_currentTDC_(threshold_currentTDC), lsb(3.74) {}

HcalTDC::~HcalTDC

(

)

Definition at line 10 of file HcalTDC.cc.

{}

Member Function Documentation

double HcalTDC::getThreshold ( ) const

inline

Definition at line 35 of file HcalTDC.h.

Referenced by leadingEdgeTDC().

{ return threshold_currentTDC_; };

unsigned int HcalTDC::getThresholdDAC ( )

inline

Definition at line 34 of file HcalTDC.h.

References theDAC.

{ return theDAC; }

std::vector< int > HcalTDC::leadingEdgeTDC

(

const CaloSamples &

lf

)

const

Definition at line 33 of file HcalTDC.cc.

References HcalTDCParameters::alreadyTransitionCode(), HcalTDCParameters::deltaT(), getThreshold(), mps_fire::i, HcalTDCParameters::nbins(), HcalTDCParameters::noTransitionCode(), CaloSamples::preciseAt(), CaloSamples::preciseSize(), mps_fire::result, CaloSamples::size(), and theTDCParameters.

Referenced by timing().

                                                                  {
  std::vector<int> result;

  float const TDC_Threshold(getThreshold());
  bool risingReady(true);
  int tdcBins = theTDCParameters.nbins();
  bool hasTDCValues = true;
  if (lf.preciseSize() == 0)
    hasTDCValues = false;

  for (int ibin = 0; ibin < lf.size(); ++ibin) {
    /*
    If in a given 25ns bunch/time sample, the pulse is above
    TDC_Thresh, then TDC_RisingEdge set to time when threshold
    was crossed.
    TDC_RisingEdge=0 if it was low in the last precision bin 
    on the previous bunch crossing, but above by first precision
    bin in current bunch crossing.
    TDC_RisingEdge=62 if pulse starts above threshold by end of
    previous bunch crossing and stays above threshold in current 
    bunch crossing. 
    TDC_RisingEdge=63 if the pulse never crosses the threshold.
    */
    // special codes
    int TDC_RisingEdge = (risingReady) ? theTDCParameters.noTransitionCode() : theTDCParameters.alreadyTransitionCode();
    int preciseBegin = ibin * tdcBins;
    int preciseEnd = preciseBegin + tdcBins;

    if (hasTDCValues) {
      for (int i = preciseBegin; i < preciseEnd; ++i) {
        if ((!risingReady) && (i == preciseBegin) && (i != 0)) {
          if (lf.preciseAt(i) / theTDCParameters.deltaT() > TDC_Threshold) {
            TDC_RisingEdge = theTDCParameters.alreadyTransitionCode();
          } else {
            risingReady = true;
          }
        }

        if (risingReady) {
          if (lf.preciseAt(i) / theTDCParameters.deltaT() > TDC_Threshold) {
            TDC_RisingEdge = i - preciseBegin;
            risingReady = false;
          } else if (i == (preciseEnd - 1)) {
            TDC_RisingEdge = theTDCParameters.noTransitionCode();
          }
        }

        if ((!risingReady) && (i == (preciseEnd - 1))) {
          if (lf.preciseAt(i) / theTDCParameters.deltaT() < TDC_Threshold) {
            risingReady = true;
          }
        }

      }  //end of looping precise bins
    }

    // change packing to allow for special codes
    int packedTDC = TDC_RisingEdge;

    result.push_back(packedTDC);

  }  // loop over bunch crossing bins

  return result;
}

void HcalTDC::setDbService

(

const HcalDbService *

service

)

the Producer will probably update this every event

Definition at line 99 of file HcalTDC.cc.

References theDbService.

Referenced by HcalElectronicsSim::setDbService().

{ theDbService = service; }

void HcalTDC::setThresholdDAC ( unsigned int  DAC )

inline

Definition at line 33 of file HcalTDC.h.

References theDAC.

{ theDAC = DAC; }

void HcalTDC::timing	(	const CaloSamples &	lf,
		QIE11DataFrame &	digi
	)		const

adds timing information to the digi template <class digi>="">

Definition at line 13 of file HcalTDC.cc.

References gpuClustering::adc, leadingEdgeTDC(), QIE11DataFrame::setSample(), and CaloSamples::size().

Referenced by HcalElectronicsSim::analogToDigital().

                                                                      {
  std::vector<int> packedTDCs = leadingEdgeTDC(lf);

  for (int ibin = 0; ibin < lf.size(); ++ibin) {
    digi.setSample(ibin, digi[ibin].adc(), packedTDCs[ibin], digi[ibin].soi());

  }  // loop over bunch crossing bins
}

void HcalTDC::timing	(	const CaloSamples &	lf,
		QIE10DataFrame &	digi
	)		const

Definition at line 22 of file HcalTDC.cc.

References QIE10DataFrame::Sample::adc(), QIE10DataFrame::Sample::capid(), leadingEdgeTDC(), QIE10DataFrame::Sample::ok(), QIE10DataFrame::setSample(), CaloSamples::size(), and QIE10DataFrame::Sample::soi().

                                                                      {
  std::vector<int> packedTDCs = leadingEdgeTDC(lf);

  for (int ibin = 0; ibin < lf.size(); ++ibin) {
    QIE10DataFrame::Sample sam = digi[ibin];
    digi.setSample(ibin, sam.adc(), packedTDCs[ibin] /*LE TDC*/, 0. /*TE TDC*/, sam.capid(), sam.soi(), sam.ok());

  }  // loop over bunch crossing bins
}

Member Data Documentation

double const HcalTDC::lsb

private

Definition at line 43 of file HcalTDC.h.

unsigned int HcalTDC::theDAC

private

Definition at line 41 of file HcalTDC.h.

Referenced by getThresholdDAC(), and setThresholdDAC().

const HcalDbService* HcalTDC::theDbService

private

Definition at line 39 of file HcalTDC.h.

Referenced by setDbService().

HcalTDCParameters HcalTDC::theTDCParameters

private

Definition at line 35 of file HcalTDC.h.

Referenced by leadingEdgeTDC().

double HcalTDC::threshold_currentTDC_

private

Definition at line 42 of file HcalTDC.h.