DCCSRPBlock.cc

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#include "EventFilter/EcalRawToDigi/interface/DCCSRPBlock.h"
#include "EventFilter/EcalRawToDigi/interface/DCCEventBlock.h"
#include "EventFilter/EcalRawToDigi/interface/EcalElectronicsMapper.h"
#include "EventFilter/EcalRawToDigi/interface/DCCDataUnpacker.h"

DCCSRPBlock::DCCSRPBlock(DCCDataUnpacker* u, EcalElectronicsMapper* m, DCCEventBlock* e, bool unpack)
    : DCCDataBlockPrototype(u, m, e, unpack) {
  // Todo : include data integrity collections
  blockLength_ = SRP_BLOCKLENGTH;
  // Set SR flags to zero
  for (unsigned int i = 0; i < SRP_NUMBFLAGS; i++) {
    srFlags_[i] = 0;
  }
}

int DCCSRPBlock::unpack(const uint64_t** data, unsigned int* dwToEnd, unsigned int numbFlags) {
  // Set SR flags to zero
  for (unsigned int i = 0; i < SRP_NUMBFLAGS; i++) {
    srFlags_[i] = 0;
  }

  expNumbSrFlags_ = numbFlags;
  error_ = false;
  datap_ = data;
  data_ = *data;
  dwToEnd_ = dwToEnd;

  // Check SRP Length
  if ((*dwToEnd_) < blockLength_) {
    if (!DCCDataUnpacker::silentMode_) {
      edm::LogWarning("IncorrectEvent") << "\n Event " << l1_ << "\n Unable to unpack SRP block for event "
                                        << event_->l1A() << " in fed <<" << mapper_->getActiveDCC() << "\n Only "
                                        << ((*dwToEnd_) * 8) << " bytes are available while " << (blockLength_ * 8)
                                        << " are needed!";
    }

    //Note : add to error collection

    return STOP_EVENT_UNPACKING;
  }

  // Point to begin of block
  data_++;

  srpId_ = (*data_) & SRP_ID_MASK;
  bx_ = (*data_ >> SRP_BX_B) & SRP_BX_MASK;
  l1_ = (*data_ >> SRP_L1_B) & SRP_L1_MASK;
  nSRFlags_ = (*data_ >> SRP_NFLAGS_B) & SRP_NFLAGS_MASK;

  event_->setSRPSyncNumbers(l1_, bx_);

  if (!checkSrpIdAndNumbSRFlags()) {
    //return  STOP_EVENT_UNPACKING;
    updateEventPointers();
    return SKIP_BLOCK_UNPACKING;
  }

  // Check synchronization
  if (sync_) {
    const unsigned int dccL1 = (event_->l1A()) & SRP_L1_MASK;
    const unsigned int dccBx = (event_->bx()) & SRP_BX_MASK;
    const unsigned int fov = (event_->fov()) & H_FOV_MASK;

    if (!isSynced(dccBx, bx_, dccL1, l1_, TCC_SRP, fov)) {
      if (!DCCDataUnpacker::silentMode_) {
        edm::LogWarning("IncorrectEvent")
            << "Synchronization error for SRP block"
            << " (L1A " << event_->l1A() << " bx " << event_->bx() << " fed " << mapper_->getActiveDCC() << ")\n"
            << "  dccBx = " << dccBx << " bx_ = " << bx_ << " dccL1 = " << dccL1 << " l1_ = " << l1_ << "\n"
            << "  => Stop event unpacking";
      }
      //Note : add to error collection ?
      //       return STOP_EVENT_UNPACKING;
      updateEventPointers();
      return SKIP_BLOCK_UNPACKING;
    }
  }

  // initialize array, protecting in case of inconsistently formatted data
  for (int dccCh = 0; dccCh < SRP_NUMBFLAGS; dccCh++)
    srFlags_[dccCh] = 0;

  //display(cout);
  addSRFlagToCollection();

  updateEventPointers();

  return true;
}

void DCCSRPBlock::display(std::ostream& o) {
  o << "\n Unpacked Info for SRP Block"
    << "\n DW1 ============================="
    << "\n SRP Id " << srpId_ << "\n Numb Flags " << nSRFlags_ << "\n Bx " << bx_ << "\n L1 " << l1_;

  for (unsigned int i = 0; i < SRP_NUMBFLAGS; i++) {
    o << "\n SR flag " << (i + 1) << " = " << (srFlags_[i]);
  }
}