JemSubBlockV2.h

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/*
  Copyright (C) 2002-2021 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef TRIGT1CALOBYTESTREAM_JEMSUBBLOCKV2_H
#define TRIGT1CALOBYTESTREAM_JEMSUBBLOCKV2_H
 
#include <stdint.h>
#include <vector>
 
#include "L1CaloSubBlock.h"
 
namespace LVL1BS {
 
class JemJetElement;
 
class JemSubBlockV2 : public L1CaloSubBlock {
 
 public:
   JemSubBlockV2();
   ~JemSubBlockV2();
 
   void clear();
 
   void setJemHeader(int version, int format, int slice, int crate,
                     int module, int timeslices);
   void fillJetElement(int slice, const JemJetElement& jetEle);
   void setEnergySubsums(int slice, unsigned int ex,
                     unsigned int ey, unsigned int et);
 
   JemJetElement jetElement(int slice, int channel) const;
   unsigned int ex(int slice)      const;
   unsigned int ey(int slice)      const;
   unsigned int et(int slice)      const;
   int  timeslices()               const;
 
   bool pack();
   bool unpack();
 
 private:
   static const int      s_wordIdVal       = 0xc;
   static const int      s_wordLength      = 32;
   //  Jet Element data word bit positions and masks
   static const int      s_dataIdBit       = 30;
   static const int      s_jeWordId        = 0x1;
   static const uint32_t s_dataIdMask      = 0x3;
   //  Energy subsum data bit positions and masks
   static const uint32_t s_energyWordId    = 0x2;
   static const int      s_sourceIdBit     = 28;
   static const uint32_t s_sourceIdMask    = 0x3;
   static const int      s_etId            = 2;
   static const int      s_exEyId          = 3;
   static const int      s_exBit           = 0;
   static const int      s_eyBit           = 14;
   static const int      s_etBit           = 14;
   static const uint32_t s_exMask          = 0x3fff;
   static const uint32_t s_eyMask          = 0x3fff;
   static const uint32_t s_etMask          = 0x3fff;
   //  Neutral format data lengths
   static const int      s_pairsPerPin       = 3;
   static const int      s_jetElementBits    = 9;
   static const int      s_jePaddingBits     = 22;
   static const int      s_energyBits        = 14;
   static const int      s_bunchCrossingBits = 12;
   static const int      s_energyPaddingBits = 12;
   static const int      s_glinkBitsPerSlice = 67;
 
   int sourceId(uint32_t word)        const;
   int dataId(uint32_t word)          const;
   int index(int slice, int channels) const;
   void resize(std::vector<uint32_t>& vec, int channels);
 
   bool packNeutral();
   bool packUncompressed();
   bool unpackNeutral();
   bool unpackUncompressed();
 
   std::vector<uint32_t> m_jeData;
   std::vector<uint32_t> m_energySubsums;
   int m_channels;
   int m_energyWords;
 
};
 
inline int JemSubBlockV2::sourceId(const uint32_t word) const
{
  return (word >> s_sourceIdBit) & s_sourceIdMask;
}
 
inline int JemSubBlockV2::dataId(const uint32_t word) const
{
  return (word >> s_dataIdBit) & s_dataIdMask;
}
 
} // end namespace
 
#endif