CastorCtdcUnpacker Class Reference

#include <CastorCtdcUnpacker.h>

Public Member Functions
	CastorCtdcUnpacker (int sourceIdOffset, int beg, int end)
	for normal data More...
void	unpack (const FEDRawData &raw, const CastorElectronicsMap &emap, CastorRawCollections &conts, HcalUnpackerReport &report)

Private Attributes
int	endSample_
	last sample from fed raw data to copy (if present) More...
int	sourceIdOffset_
	number to subtract from the source id to get the dcc id More...
int	startSample_
	first sample from fed raw data to copy More...
std::set< CastorElectronicsId >	unknownIds_
std::set< CastorElectronicsId >	unknownIdsTrig_
	Recorded to limit number of times a log message is generated. More...

Detailed Description

Definition at line 14 of file CastorCtdcUnpacker.h.

Constructor & Destructor Documentation

CastorCtdcUnpacker::CastorCtdcUnpacker	(	int	sourceIdOffset,
		int	beg,
		int	end
	)

for normal data

Definition at line 12 of file CastorCtdcUnpacker.cc.

References end, endSample_, CastorDataFrame::MAXSAMPLES, and startSample_.

                                                                           : sourceIdOffset_(sourceIdOffset) {
  if (beg >= 0 && beg <= CastorDataFrame::MAXSAMPLES - 1) {
    startSample_ = beg;
  } else {
    startSample_ = 0;
  }
  if (end >= 0 && end <= CastorDataFrame::MAXSAMPLES - 1 && end >= beg) {
    endSample_ = end;
  } else {
    endSample_ = CastorDataFrame::MAXSAMPLES - 1;
  }
}

Member Function Documentation

void CastorCtdcUnpacker::unpack	(	const FEDRawData &	raw,
		const CastorElectronicsMap &	emap,
		CastorRawCollections &	conts,
		HcalUnpackerReport &	report
	)

work through all channels

Definition at line 25 of file CastorCtdcUnpacker.cc.

References CastorRawCollections::castorCont, CastorCORData::CHANNELS_PER_SPIGOT, CastorCORData::check(), HcalUnpackerReport::countSpigotFormatError(), HcalUnpackerReport::countUnmappedDigi(), FEDRawData::data(), runTauDisplay::eid, endSample_, newFWLiteAna::found, CastorCORData::getNPS(), CastorCTDCHeader::getSourceId(), CastorCTDCHeader::getSpigotData(), CastorCTDCHeader::getSpigotPresent(), CastorCORData::isHistogramEvent(), CastorElectronicsMap::lookup(), CastorCORData::MAXIMUM_SAMPLES_PER_CHANNEL, simplePhotonAnalyzer_cfi::sample, CastorDataFrame::setPresamples(), CastorDataFrame::setSample(), CastorDataFrame::setSize(), FEDRawData::size(), sourceIdOffset_, CastorCTDCHeader::SPIGOT_COUNT, startSample_, unknownIds_, and CastorCORData::unpack().

Referenced by CastorRawToDigi::produce().

                                                            {
  if (raw.size() < 16) {
    edm::LogWarning("Invalid Data") << "Empty/invalid DCC data, size = " << raw.size();
    return;
  }

  // get the CTDC header
  const CastorCTDCHeader* ctdcHeader = (const CastorCTDCHeader*)(raw.data());
  int ctdcid = ctdcHeader->getSourceId() - sourceIdOffset_;

  // space for unpacked data from one COR
  std::vector<unsigned short> precdata(CastorCORData::CHANNELS_PER_SPIGOT * CastorCORData::MAXIMUM_SAMPLES_PER_CHANNEL);
  std::vector<unsigned short> trigdata(CastorCORData::CHANNELS_PER_SPIGOT * CastorCORData::MAXIMUM_SAMPLES_PER_CHANNEL);
  std::vector<unsigned char> preclen(CastorCORData::CHANNELS_PER_SPIGOT);
  std::vector<unsigned char> triglen(CastorCORData::CHANNELS_PER_SPIGOT);

  // walk through the COR data...
  CastorCORData cor;
  for (int spigot = 0; spigot < CastorCTDCHeader::SPIGOT_COUNT; spigot++) {
    if (!ctdcHeader->getSpigotPresent(spigot))
      continue;

    int retval = ctdcHeader->getSpigotData(spigot, cor, raw.size());
    if (retval != 0) {
      if (retval == -1) {
        edm::LogWarning("Invalid Data") << "Invalid COR data (data beyond payload size) observed on spigot " << spigot
                                        << " of CTDC with source id " << ctdcHeader->getSourceId();
        report.countSpigotFormatError();
      }
      continue;
    }
    // check
    if (!cor.check()) {
      edm::LogWarning("Invalid Data") << "Invalid COR data observed on spigot " << spigot << " of CTDC with source id "
                                      << ctdcHeader->getSourceId();
      report.countSpigotFormatError();
      continue;
    }
    if (cor.isHistogramEvent()) {
      edm::LogWarning("Invalid Data") << "Histogram data passed to non-histogram unpacker on spigot " << spigot
                                      << " of CTDC with source id " << ctdcHeader->getSourceId();
      continue;
    }
    // calculate "real" number of presamples
    int nps = cor.getNPS() - startSample_;

    // new: do not use get pointers .. instead make use of CastorCORData::unpack

    cor.unpack(&(preclen[0]), &(precdata[0]), &(triglen[0]), &(trigdata[0]));

    int ichan;
    for (ichan = 0; ichan < CastorCORData::CHANNELS_PER_SPIGOT; ichan++) {
      if (preclen[ichan] == 0 || preclen[ichan] & 0xc0)
        continue;
      int fiber = ichan / 3;
      int fiberchan = ichan % 3;
      // lookup the right channel
      CastorElectronicsId partialEid(fiberchan, fiber + 1, spigot, ctdcid);
      // does this partial id exist?
      CastorElectronicsId eid;
      HcalGenericDetId did;
      bool found;
      found = emap.lookup(partialEid, eid, did);

      if (found) {
        CastorDataFrame digi = CastorDataFrame(HcalCastorDetId(did));
        // set parameters - presamples
        digi.setPresamples(nps);

        int ntaken = 0;
        for (int sample = startSample_; sample <= endSample_; sample++) {
          digi.setSample(ntaken, precdata[ichan * CastorCORData::MAXIMUM_SAMPLES_PER_CHANNEL + sample]);
          ntaken++;
        }
        digi.setSize(ntaken);
        colls.castorCont->push_back(digi);
      } else {
        report.countUnmappedDigi();
        if (unknownIds_.find(partialEid) == unknownIds_.end()) {
          edm::LogWarning("CASTOR") << "CastorCtdcUnpacker: No match found for electronics partialEid :" << partialEid;
          unknownIds_.insert(partialEid);
        }
      }
    }
  }
}

Member Data Documentation

int CastorCtdcUnpacker::endSample_

private

last sample from fed raw data to copy (if present)

Definition at line 26 of file CastorCtdcUnpacker.h.

Referenced by CastorCtdcUnpacker(), and unpack().

int CastorCtdcUnpacker::sourceIdOffset_

private

number to subtract from the source id to get the dcc id

Definition at line 24 of file CastorCtdcUnpacker.h.

Referenced by unpack().

int CastorCtdcUnpacker::startSample_

private

first sample from fed raw data to copy

Definition at line 25 of file CastorCtdcUnpacker.h.

Referenced by CastorCtdcUnpacker(), and unpack().

std::set<CastorElectronicsId> CastorCtdcUnpacker::unknownIds_

private

Definition at line 27 of file CastorCtdcUnpacker.h.

Referenced by unpack().

std::set<CastorElectronicsId> CastorCtdcUnpacker::unknownIdsTrig_

private

Recorded to limit number of times a log message is generated.

Definition at line 27 of file CastorCtdcUnpacker.h.