MissEtPacker.cc

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

#include "CaloTokens.h"
#include "MissEtPacker.h"

namespace l1t {
  namespace stage1 {
    Blocks MissEtPacker::pack(const edm::Event& event, const PackerTokens* toks) {
      edm::Handle<EtSumBxCollection> etSums;
      event.getByToken(static_cast<const CaloTokens*>(toks)->getEtSumToken(), etSums);

      std::vector<uint32_t> load;

      for (int i = etSums->getFirstBX(); i <= etSums->getLastBX(); ++i) {
        int n = 0;

        uint16_t objectMissingEt = 0;
        uint16_t objectMissingEtPhi = 0;

        int flagMissingEt = 0;

        for (auto j = etSums->begin(i); j != etSums->end(i) && n < 4; ++j, ++n) {
          if (j->getType() == l1t::EtSum::kMissingEt) {
            flagMissingEt = j->hwQual() & 0x1;
            objectMissingEt = std::min(j->hwPt(), 0xFFF) | (flagMissingEt << 12);
            objectMissingEtPhi = std::min(j->hwPhi(), 0x7F);
          }
        }

        uint32_t word0 = (objectMissingEt & 0xFFFF);
        uint32_t word1 = (objectMissingEtPhi & 0xFFFF);

        word0 |= (1 << 15);
        word1 |= ((i == 0) << 15);

        load.push_back(word0);
        load.push_back(word1);
      }

      return {Block(95, load)};
    }
  }  // namespace stage1
}  // namespace l1t

DEFINE_L1T_PACKER(l1t::stage1::MissEtPacker);