TotemTimingConversions Class Reference

#include <TotemTimingConversions.h>

Public Member Functions
const float	getTimeOfFirstSample (const TotemTimingDigi &digi) const
std::vector< float >	getTimeSamples (const TotemTimingDigi &digi) const
const float	getTriggerTime (const TotemTimingDigi &digi) const
std::vector< float >	getVoltSamples (const TotemTimingDigi &digi) const
void	openCalibrationFile (const std::string &calibrationFile="/dev/null")
	TotemTimingConversions ()
	TotemTimingConversions (const std::string &calibrationFile)

Private Attributes
std::string	calibrationFile_
bool	calibrationFileOk_

Static Private Attributes
static const float	SAMPIC_ADC_V = 1. / 256
static const int	SAMPIC_DEFAULT_OFFSET = 30
static const int	SAMPIC_MAX_NUMBER_OF_SAMPLES = 64
static const float	SAMPIC_SAMPLING_PERIOD_NS = 1. / 7.8

Detailed Description

Definition at line 18 of file TotemTimingConversions.h.

Constructor & Destructor Documentation

TotemTimingConversions::TotemTimingConversions

(

)

Definition at line 21 of file TotemTimingConversions.cc.

    : calibrationFileOk_(false), calibrationFile_("/dev/null") {}

TotemTimingConversions::TotemTimingConversions

(

const std::string &

calibrationFile

)

Definition at line 26 of file TotemTimingConversions.cc.

    : calibrationFileOk_(false), calibrationFile_(calibrationFile) {}

Member Function Documentation

const float TotemTimingConversions::getTimeOfFirstSample

(

const TotemTimingDigi &

digi

)

const

Definition at line 48 of file TotemTimingConversions.cc.

References TotemTimingDigi::getCellInfo(), TotemTimingDigi::getEventInfo(), TotemTimingDigi::getFPGATimestamp(), TotemTimingEventInfo::getL1ALatency(), TotemTimingEventInfo::getL1ATimestamp(), TotemTimingEventInfo::getOffsetOfSamples(), TotemTimingDigi::getTimestampA(), TotemTimingDigi::getTimestampB(), SAMPIC_DEFAULT_OFFSET, SAMPIC_MAX_NUMBER_OF_SAMPLES, SAMPIC_SAMPLING_PERIOD_NS, and cond::timestamp.

Referenced by getTimeSamples(), and getTriggerTime().

{
  unsigned int offsetOfSamples = digi.getEventInfo().getOffsetOfSamples();
  if (offsetOfSamples == 0)
    offsetOfSamples = SAMPIC_DEFAULT_OFFSET; // FW 0 is not sending this, FW > 0 yes
  int cell0TimeClock;
  float cell0TimeInstant;       // Time of first cell
  float firstCellTimeInstant; // Time of triggered cell

  unsigned int timestamp = digi.getCellInfo() <= SAMPIC_MAX_NUMBER_OF_SAMPLES/2 ?
                                                      digi.getTimestampA()
                                                    : digi.getTimestampB();

  cell0TimeClock = timestamp +
                   ((digi.getFPGATimestamp() - timestamp) & 0xFFFFFFF000) -
                   digi.getEventInfo().getL1ATimestamp() +
                   digi.getEventInfo().getL1ALatency();

  cell0TimeInstant = SAMPIC_MAX_NUMBER_OF_SAMPLES *
                     SAMPIC_SAMPLING_PERIOD_NS * cell0TimeClock;

  if (digi.getCellInfo() < offsetOfSamples)
    firstCellTimeInstant =
        cell0TimeInstant + digi.getCellInfo() * SAMPIC_SAMPLING_PERIOD_NS;
  else
    firstCellTimeInstant =
        cell0TimeInstant -
        (SAMPIC_MAX_NUMBER_OF_SAMPLES - digi.getCellInfo()) *
            SAMPIC_SAMPLING_PERIOD_NS;

  return firstCellTimeInstant;
}

std::vector< float > TotemTimingConversions::getTimeSamples

(

const TotemTimingDigi &

digi

)

const

Definition at line 98 of file TotemTimingConversions.cc.

References calibrationFileOk_, TotemTimingDigi::getNumberOfSamples(), getTimeOfFirstSample(), mps_fire::i, SAMPIC_SAMPLING_PERIOD_NS, and ntuplemaker::time.

Referenced by TotemTimingRecHitProducerAlgorithm::build().

{
  std::vector<float> time(digi.getNumberOfSamples());
  // firstCellTimeInstant = 0;
  if (!calibrationFileOk_)
  {
    for (unsigned int i = 0; i < time.size(); ++i)
      time.at(i) = getTimeOfFirstSample(digi) + i * SAMPIC_SAMPLING_PERIOD_NS;
  }
  return time;
}

const float TotemTimingConversions::getTriggerTime

(

const TotemTimingDigi &

digi

)

const

Definition at line 83 of file TotemTimingConversions.cc.

References TotemTimingDigi::getEventInfo(), TotemTimingEventInfo::getOffsetOfSamples(), getTimeOfFirstSample(), SAMPIC_MAX_NUMBER_OF_SAMPLES, and SAMPIC_SAMPLING_PERIOD_NS.

Referenced by TotemTimingRecHitProducerAlgorithm::build().

{
  unsigned int offsetOfSamples = digi.getEventInfo().getOffsetOfSamples();
  if (offsetOfSamples == 0)
    offsetOfSamples = 30; // FW 0 is not sending this, FW > 0 yes

  float triggerCellTimeInstant = getTimeOfFirstSample(digi) +
        (SAMPIC_MAX_NUMBER_OF_SAMPLES - offsetOfSamples) *
        SAMPIC_SAMPLING_PERIOD_NS;

  return triggerCellTimeInstant;
}

std::vector< float > TotemTimingConversions::getVoltSamples

(

const TotemTimingDigi &

digi

)

const

Definition at line 112 of file TotemTimingConversions.cc.

References calibrationFileOk_, data, TotemTimingDigi::getSamplesBegin(), TotemTimingDigi::getSamplesEnd(), and SAMPIC_ADC_V.

Referenced by TotemTimingRecHitProducerAlgorithm::build().

{
  std::vector<float> data;
  if (!calibrationFileOk_)
  {
    for (auto it = digi.getSamplesBegin(); it != digi.getSamplesEnd(); ++it)
      data.emplace_back(SAMPIC_ADC_V * (*it));
  }
  return data;
}

void TotemTimingConversions::openCalibrationFile

(

const std::string &

calibrationFile = "/dev/null"

)

Definition at line 31 of file TotemTimingConversions.cc.

References calibrationFile_, and calibrationFileOk_.

{
  if (calibrationFile!="/dev/null") // if given, the filename here overwrites the filename in the ctor
  {
    calibrationFile_ = calibrationFile;
  }

  if (calibrationFile_!="/dev/null")
  {
    // Open File TODO
    calibrationFileOk_ = true;
  }

}

Member Data Documentation

std::string TotemTimingConversions::calibrationFile_

private

Definition at line 40 of file TotemTimingConversions.h.

Referenced by openCalibrationFile().

bool TotemTimingConversions::calibrationFileOk_

private

Definition at line 39 of file TotemTimingConversions.h.

Referenced by getTimeSamples(), getVoltSamples(), and openCalibrationFile().

const float TotemTimingConversions::SAMPIC_ADC_V = 1. / 256

staticprivate

Definition at line 35 of file TotemTimingConversions.h.

Referenced by getVoltSamples().

const int TotemTimingConversions::SAMPIC_DEFAULT_OFFSET = 30

staticprivate

Definition at line 37 of file TotemTimingConversions.h.

Referenced by getTimeOfFirstSample().

const int TotemTimingConversions::SAMPIC_MAX_NUMBER_OF_SAMPLES = 64

staticprivate

Definition at line 36 of file TotemTimingConversions.h.

Referenced by getTimeOfFirstSample(), and getTriggerTime().

const float TotemTimingConversions::SAMPIC_SAMPLING_PERIOD_NS = 1. / 7.8

staticprivate

Definition at line 34 of file TotemTimingConversions.h.

Referenced by getTimeOfFirstSample(), getTimeSamples(), and getTriggerTime().