LegacyHFRingUnpacker.cc

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#include "FWCore/MessageLogger/interface/MessageLogger.h"
#include "EventFilter/L1TRawToDigi/plugins/UnpackerFactory.h"

#include "CaloCollections.h"
#include "LegacyHFRingUnpacker.h"

namespace l1t {
  namespace stage1 {
    namespace legacy {
      bool HFRingUnpacker::unpack(const Block& block, UnpackerCollections* coll) {
        LogDebug("L1T") << "Block ID  = " << block.header().getID() << " size = " << block.header().getSize();

        int nBX, firstBX, lastBX;
        nBX = int(ceil(block.header().getSize() / 2.));
        getBXRange(nBX, firstBX, lastBX);

        auto resHFBitCounts_ = static_cast<CaloCollections*>(coll)->getCaloSpareHFBitCounts();
        resHFBitCounts_->setBXRange(firstBX, lastBX);

        auto resHFRingSums_ = static_cast<CaloCollections*>(coll)->getCaloSpareHFRingSums();
        resHFRingSums_->setBXRange(firstBX, lastBX);

        auto reset_ = static_cast<CaloCollections*>(coll)->getEtSums();
        reset_->setBXRange(firstBX, lastBX);

        LogDebug("L1T") << "nBX = " << nBX << " first BX = " << firstBX << " lastBX = " << lastBX;

        // Initialise index
        int unsigned i = 0;

        // Loop over multiple BX and then number of jets filling jet collection
        for (int bx = firstBX; bx <= lastBX; bx++) {
          uint32_t raw_data0 = block.payload()[i++];
          uint32_t raw_data1 = block.payload()[i++];

          /* if (raw_data0 == 0 || raw_data1==0) continue; */

          uint16_t candbit[4];
          candbit[0] = raw_data0 & 0xFFFF;
          candbit[1] = (raw_data0 >> 16) & 0xFFFF;
          candbit[2] = raw_data1 & 0xFFFF;
          candbit[3] = (raw_data1 >> 16) & 0xFFFF;

          int hfbitcount = candbit[0] & 0xFFF;
          int hfringsum = ((candbit[0] >> 12) & 0x7) | ((candbit[2] & 0x1FF) << 3);
          int htmissphi = candbit[1] & 0x1F;
          int htmiss = (candbit[1] >> 5) & 0x7F;
          int overflowhtmiss = (candbit[1] >> 12) & 0x1;

          l1t::CaloSpare hfbc = l1t::CaloSpare();
          hfbc.setHwPt(hfbitcount);
          hfbc.setType(l1t::CaloSpare::HFBitCount);
          LogDebug("L1T") << "hfbc pT " << hfbc.hwPt();
          resHFBitCounts_->push_back(bx, hfbc);

          l1t::CaloSpare hfrs = l1t::CaloSpare();
          hfrs.setHwPt(hfringsum);
          hfrs.setType(l1t::CaloSpare::HFRingSum);
          LogDebug("L1T") << "hfrs pT " << hfrs.hwPt();
          resHFRingSums_->push_back(bx, hfrs);

          l1t::EtSum mht{l1t::EtSum::kMissingHt};
          mht.setHwPt(htmiss);
          mht.setHwPhi(htmissphi);
          int flaghtmiss = mht.hwQual();
          flaghtmiss |= overflowhtmiss;
          mht.setHwQual(flaghtmiss);
          LogDebug("L1T") << "MHT: pT " << mht.hwPt() << "is overflow " << overflowhtmiss << std::endl;
          reset_->push_back(bx, mht);
        }

        return true;
      }
    }  // namespace legacy
  }    // namespace stage1
}  // namespace l1t

DEFINE_L1T_UNPACKER(l1t::stage1::legacy::HFRingUnpacker);