CastorPacker Class Reference

#include <CastorPacker.h>

Static Public Member Functions
static void	pack (int fedid, int dccnumber, int nl1a, int orbitn, int bcn, const CastorCollections &inputs, const CastorElectronicsMap &emap, FEDRawData &output)

Static Private Member Functions
static int	findSamples (const DetId &did, const CastorCollections &inputs, unsigned short *buffer, int &presamples)

Detailed Description

Author

J. Mans - Minnesota

Definition at line 13 of file CastorPacker.h.

Member Function Documentation

int CastorPacker::findSamples ( const DetId &  did, const CastorCollections &  inputs, unsigned short *  buffer, int &  presamples  )

staticprivate

Definition at line 27 of file CastorPacker.cc.

References edmScanValgrind::buffer, DetId::Calo, CastorCollections::castorCont, DetId::det(), and findQualityFiles::size.

Referenced by pack().

                                               {
  if (did.det() != DetId::Calo)
    return 0;
  int size = 0;
  HcalCastorDetId genId(did);

  size = process<CastorDigiCollection, HcalCastorDetId>(inputs.castorCont, did, buffer, presamples);

  return size;
}

void CastorPacker::pack ( int  fedid, int  dccnumber, int  nl1a, int  orbitn, int  bcn, const CastorCollections &  inputs, const CastorElectronicsMap &  emap, FEDRawData &  output  )

static

pack into HcalHTRData

Definition at line 41 of file CastorPacker.cc.

References HcalHTRData::allocate(), HcalHTRData::CHANNELS_PER_SPIGOT, HcalDCCHeader::clear(), evf::compute_crc(), HcalDCCHeader::copySpigotData(), FEDRawData::data(), findSamples(), HcalHTRData::getRawLength(), CastorElectronicsId::htrSlot(), CastorElectronicsId::htrTopBottom(), cuy::ii, linear(), CastorElectronicsMap::lookup(), HcalHTRData::MAXIMUM_SAMPLES_PER_CHANNEL, HcalHTRData::pack(), HcalHTRData::packHeaderTrailer(), HcalQIESample::raw(), CastorElectronicsId::readoutVMECrateId(), FEDRawData::resize(), FEDTrailer::set(), HcalDCCHeader::setHeader(), and FEDRawData::size().

Referenced by CastorDigiToRaw::produce().

                                            {
  std::vector<unsigned short> precdata(HcalHTRData::CHANNELS_PER_SPIGOT * HcalHTRData::MAXIMUM_SAMPLES_PER_CHANNEL);
  std::vector<unsigned short> trigdata(HcalHTRData::CHANNELS_PER_SPIGOT * HcalHTRData::MAXIMUM_SAMPLES_PER_CHANNEL);
  std::vector<unsigned char> preclen(HcalHTRData::CHANNELS_PER_SPIGOT);
  std::vector<unsigned char> triglen(HcalHTRData::CHANNELS_PER_SPIGOT);
  constexpr int HTRFormatVersion = 3;

  HcalHTRData spigots[15];
  // loop over all valid channels in the given dcc, spigot by spigot.
  for (int spigot = 0; spigot < 15; spigot++) {
    spigots[spigot].allocate(HTRFormatVersion);
    CastorElectronicsId exampleEId;
    int npresent = 0;
    int presamples = -1, samples = -1;
    for (int fiber = 1; fiber <= 8; fiber++)
      for (int fiberchan = 0; fiberchan < 3; fiberchan++) {
        int linear = (fiber - 1) * 3 + fiberchan;
        HcalQIESample chanSample(0, 0, fiber, fiberchan, false, false);
        unsigned short chanid = chanSample.raw() & 0xF800;
        preclen[linear] = 0;

        CastorElectronicsId partialEid(fiberchan, fiber, spigot, dccnumber);
        // does this partial id exist?
        CastorElectronicsId fullEid;
        HcalGenericDetId genId;
        if (!emap.lookup(partialEid, fullEid, genId))
          continue;

        // next, see if there is a digi with this id
        unsigned short* database = &(precdata[linear * HcalHTRData::MAXIMUM_SAMPLES_PER_CHANNEL]);
        int mypresamples;
        int mysamples = findSamples(genId, inputs, database, mypresamples);

        if (mysamples > 0) {
          if (samples < 0)
            samples = mysamples;
          else if (samples != mysamples) {
            edm::LogError("CASTOR") << "Mismatch of samples in a single HTR (unsupported) " << mysamples
                                    << " != " << samples;
            continue;
          }
          if (presamples < 0) {
            presamples = mypresamples;
            exampleEId = fullEid;
          } else if (mypresamples != presamples) {
            edm::LogError("CASTOR") << "Mismatch of presamples in a single HTR (unsupported) " << mypresamples
                                    << " != " << presamples;
            continue;
          }
          for (int ii = 0; ii < samples; ii++)
            database[ii] = (database[ii] & 0x7FF) | chanid;
          preclen[linear] = (unsigned char)(samples);
          npresent++;
        }
      }
    if (npresent > 0) {
      spigots[spigot].pack(&(preclen[0]), &(precdata[0]), &(triglen[0]), &(trigdata[0]), false);
      constexpr int pipeline = 0x22;
      constexpr int firmwareRev = 0;
      int submodule = exampleEId.htrTopBottom() & 0x1;
      submodule |= (exampleEId.htrSlot() & 0x1F) << 1;
      submodule |= (exampleEId.readoutVMECrateId() & 0x1f) << 6;
      spigots[spigot].packHeaderTrailer(nl1a, bcn, submodule, orbitn, pipeline, samples, presamples, firmwareRev);
    }
  }
  // calculate the total length, and resize the FEDRawData
  int theSize = 0;
  for (int spigot = 0; spigot < 15; spigot++) {
    theSize += spigots[spigot].getRawLength() * sizeof(unsigned short);
  }
  theSize += sizeof(HcalDCCHeader) + 8;  // 8 for trailer
  theSize += (8 - (theSize % 8)) % 8;    // even number of 64-bit words.
  output.resize(theSize);

  // construct the bare DCC Header
  HcalDCCHeader* dcc = (HcalDCCHeader*)(output.data());
  dcc->clear();
  dcc->setHeader(fedid, bcn, nl1a, orbitn);

  // pack the HTR data into the FEDRawData block using HcalDCCHeader
  for (int spigot = 0; spigot < 15; spigot++) {
    if (spigots[spigot].getRawLength() > 0)
      dcc->copySpigotData(spigot, spigots[spigot], true, 0);
  }
  // trailer
  FEDTrailer fedTrailer(output.data() + (output.size() - 8));
  fedTrailer.set(
      output.data() + (output.size() - 8), output.size() / 8, evf::compute_crc(output.data(), output.size()), 0, 0);
}