LegacyEtSumUnpacker.cc

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

#include "CaloCollections.h"
#include "LegacyEtSumUnpacker.h"

namespace l1t {
   namespace stage1 {
      namespace legacy {
         bool
         EtSumUnpacker::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 res_ = static_cast<CaloCollections*>(coll)->getEtSums();
            res_->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 totet=candbit[0] & 0xFFF;
               int overflowtotet=(candbit[0]>>12) & 0x1;
               int etmiss=candbit[1] & 0xFFF;
               int overflowetmiss=(candbit[1]>>12) & 0x1;
               int totht=candbit[2] & 0xFFF;
               int overflowtotht=(candbit[2]>>12) & 0x1;
               int etmissphi=candbit[3] & 0x7F;

               l1t::EtSum et = l1t::EtSum();
               et.setHwPt(totet);
               et.setType(l1t::EtSum::kTotalEt);      
               int flagtotet=et.hwQual();
               flagtotet|= overflowtotet;
               et.setHwQual(flagtotet);       
               LogDebug("L1T") << "ET: pT " << et.hwPt()<<"is overflow "<<overflowtotet<<std::endl;
               res_->push_back(bx,et);

               l1t::EtSum ht = l1t::EtSum();
               ht.setHwPt(totht);
               ht.setType(l1t::EtSum::kTotalHt);       
               int flagtotht=ht.hwQual();
               flagtotht|= overflowtotht;
               ht.setHwQual(flagtotht);       
               LogDebug("L1T") << "HT: pT " << ht.hwPt()<<"is overflow "<<overflowtotht<<std::endl;
               res_->push_back(bx,ht);

               l1t::EtSum met = l1t::EtSum();
               met.setHwPt(etmiss);
               met.setHwPhi(etmissphi);
               met.setType(l1t::EtSum::kMissingEt);   
               int flagetmiss=met.hwQual();
               flagetmiss|= overflowetmiss;
               met.setHwQual(flagetmiss);       
               LogDebug("L1T") << "MET: pT " << met.hwPt()<<"is overflow "<<overflowetmiss<<std::endl;
               res_->push_back(bx,met);

            }

            return true;

         }
      }
   }
}

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