HcalTDC Class Reference

#include <HcalTDC.h>

Public Member Functions
double	getThreshold () const
unsigned int	getThresholdDAC ()
	HcalTDC (double threshold_currentTDC=0.)
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
	~HcalTDC ()

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

Detailed Description

Definition at line 17 of file HcalTDC.h.

Constructor & Destructor Documentation

HcalTDC()

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::~HcalTDC

(

)

Definition at line 10 of file HcalTDC.cc.

{}

Member Function Documentation

getThreshold()

double HcalTDC::getThreshold ( ) const

inline

Definition at line 31 of file HcalTDC.h.

{ return threshold_currentTDC_; };

Referenced by timing().

getThresholdDAC()

unsigned int HcalTDC::getThresholdDAC ( )

inline

Definition at line 30 of file HcalTDC.h.

{ return theDAC; }

References theDAC.

setDbService()

void HcalTDC::setDbService

(

const HcalDbService *

service

)

the Producer will probably update this every event

Definition at line 77 of file HcalTDC.cc.

{ theDbService = service; }

References theDbService.

Referenced by HcalElectronicsSim::setDbService().

setThresholdDAC()

void HcalTDC::setThresholdDAC ( unsigned int  DAC )

inline

Definition at line 29 of file HcalTDC.h.

{ theDAC = DAC; }

References theDAC.

timing()

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.

                                                                      {
  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 already, then TDC_RisingEdge=0 if it was low in the
    last precision bin on the previous bunch crossing, otherwise,
    TDC_RisingEdge=63 if the pulse never crosses the threshold
    having started off, then the special code is 62 and then
    one can still have a TDC_FallingEdge that is valid.  If the pulse
    never falls below threshold having started above threshold (or
    goes above threshold in the bunch crossing and doesn't come down),
    then TDC_FallingEdge=.  If the pulse never went above
    threshold, then TDC_RisingEdge=63 and
    TDC_FallingEdge=62.
    */
    // 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) {  //find the TDC time value in each TS
 
        if ((!risingReady) && (i == preciseBegin) && (i != 0)) {
          if (((lf.preciseAt(i + 1) - lf.preciseAt(i - 1)) > TDC_Threshold)) {
            TDC_RisingEdge = theTDCParameters.alreadyTransitionCode();
            break;
          } else
            risingReady = true;
        }
 
        if (risingReady) {
          if (i != (lf.size() * tdcBins - 1) && i != 0 && (lf.preciseAt(i + 1) - lf.preciseAt(i - 1)) > TDC_Threshold) {
            risingReady = false;
            TDC_RisingEdge = i - preciseBegin;
          } else if (i == 0 && (lf.preciseAt(i + 1) - lf.preciseAt(i)) / 0.5 > TDC_Threshold) {
            risingReady = false;
            TDC_RisingEdge = i - preciseBegin;
          } else if (i == (preciseEnd - 1))
            TDC_RisingEdge = theTDCParameters.noTransitionCode();
        }
 
        if ((!risingReady) && (i == (preciseEnd - 1)) && (i != (lf.size() * tdcBins - 1))) {
          if (((lf.preciseAt(i + 1) - lf.preciseAt(i - 1)) < TDC_Threshold)) {
            risingReady = true;
          }
        }
      }  //end of looping precise bins
    }
 
    // change packing to allow for special codes
    int packedTDC = TDC_RisingEdge;
    digi.setSample(ibin, digi[ibin].adc(), packedTDC, digi[ibin].soi());
 
  }  // loop over bunch crossing bins
}

References ecalMGPA::adc(), HcalTDCParameters::alreadyTransitionCode(), getThreshold(), mps_fire::i, HcalTDCParameters::nbins(), HcalTDCParameters::noTransitionCode(), CaloSamples::preciseAt(), CaloSamples::preciseSize(), QIE11DataFrame::setSample(), CaloSamples::size(), and theTDCParameters.

Referenced by HcalElectronicsSim::analogToDigital().

Member Data Documentation

lsb

const double HcalTDC::lsb

private

Definition at line 39 of file HcalTDC.h.

theDAC

unsigned int HcalTDC::theDAC

private

Definition at line 37 of file HcalTDC.h.

Referenced by getThresholdDAC(), and setThresholdDAC().

theDbService

const HcalDbService* HcalTDC::theDbService

private

Definition at line 35 of file HcalTDC.h.

Referenced by setDbService().

theTDCParameters

HcalTDCParameters HcalTDC::theTDCParameters

private

Definition at line 31 of file HcalTDC.h.

Referenced by timing().

threshold_currentTDC_

double HcalTDC::threshold_currentTDC_

private

Definition at line 38 of file HcalTDC.h.