GlobalAlgBlkPacker.cc

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#include "FWCore/Framework/interface/Event.h"
#include "EventFilter/L1TRawToDigi/plugins/PackerFactory.h"

#include "GTTokens.h"
#include "GlobalAlgBlkPacker.h"

namespace l1t {
  namespace stage2 {
    Blocks GlobalAlgBlkPacker::pack(const edm::Event& event, const PackerTokens* toks) {
      edm::Handle<GlobalAlgBlkBxCollection> algs;
      event.getByToken(static_cast<const GTTokens*>(toks)->getAlgToken(), algs);

      unsigned int wdPerBX = 6;  //should this be configured someplace else?

      Blocks res;

      for (int blk = 0; blk < 9; blk++) {
        unsigned int blkID = blk * 2 + 33;

        unsigned int algOffset = (2 * blk + 1) / 2;
        algOffset = (algOffset % 3) * 192;

        //vector of words
        std::vector<uint32_t> load;

        for (int i = algs->getFirstBX(); i <= algs->getLastBX(); ++i) {
          for (auto j = algs->begin(i); j != algs->end(i); ++j) {
            for (unsigned int wd = 0; wd < wdPerBX; wd++) {
              uint32_t word = 0;

              if ((blk + 1) % 3 > 0 || wd < 4) {
                unsigned int startAlg = wd * 32 + algOffset;
                for (unsigned bt = 0; bt < 32; bt++) {
                  if (blk < 3) {
                    if (j->getAlgoDecisionInitial(bt + startAlg))
                      word |= (0x1 << bt);
                  } else if (blk < 6) {
                    if (j->getAlgoDecisionInterm(bt + startAlg))
                      word |= (0x1 << bt);
                  } else {
                    if (j->getAlgoDecisionFinal(bt + startAlg))
                      word |= (0x1 << bt);
                  }
                }

              } else if (blk == 2 && (wd == 4 || wd == 5)) {
                //putting hashed values of the menu name and firmware uuid into record.
                if (wd == 4)
                  word |= (j->getL1MenuUUID() & 0xFFFFFFFF);
                if (wd == 5)
                  word |= (j->getL1FirmwareUUID() & 0xFFFFFFFF);

              } else if (blk == 8) {
                if (wd == 4) {
                  if (j->getFinalOR())
                    word |= (0x1 << 16);
                  if (j->getFinalORVeto())
                    word |= (0x1 << 8);
                  if (j->getFinalORPreVeto())
                    word |= (0x1 << 0);
                } else if (wd == 5) {
                  word |= (j->getPreScColumn() & 0xFF);
                }
              }  //if on blk

              load.push_back(word);
            }  //loop over words

          }  //end loop over alg objects.(trivial one per BX)

        }  //end loop over bx

        res.push_back(Block(blkID, load));

      }  //loop over blks

      return res;
    }
  }  // namespace stage2
}  // namespace l1t

DEFINE_L1T_PACKER(l1t::stage2::GlobalAlgBlkPacker);