CpmSubBlock.h

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/*
  Copyright (C) 2002-2021 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef TRIGT1CALOBYTESTREAM_CPMSUBBLOCK_H
#define TRIGT1CALOBYTESTREAM_CPMSUBBLOCK_H
 
#include <stdint.h>
#include <vector>
 
#include "L1CaloSubBlock.h"
 
namespace LVL1BS {

 
class CpmSubBlock : public L1CaloSubBlock {
 
 public:
   CpmSubBlock();
   ~CpmSubBlock();

   void clear();

   void setCpmHeader(int version, int format, int slice, int crate,
                     int module, int timeslices);
   void fillTowerData(int slice, int channel, int em, int had,
                                          int emErr, int hadErr);
   void setHits(int slice, unsigned int hit0, unsigned int hit1);

   int  emData(int slice, int channel)   const;
   int  hadData(int slice, int channel)  const;
   int  emError(int slice, int channel)  const;
   int  hadError(int slice, int channel) const;
   unsigned int hits0(int slice)         const;
   unsigned int hits1(int slice)         const;
   int  timeslices()                     const;
   bool anyTowerData(int channel)        const;

   bool pack();
   bool unpack();
 
 private:
   static const int      s_wordIdVal       = 0xc;
   static const int      s_wordLength      = 32;
   //  Trigger tower data word bit positions and masks
   static const int      s_ttDataABit      = 0;
   static const int      s_ttDataBBit      = 9;
   static const int      s_parityABit      = 8;
   static const int      s_parityBBit      = 17;
   static const int      s_linkDownABit    = 19;
   static const int      s_linkDownBBit    = 20;
   static const int      s_pairBit         = 21;
   static const int      s_fpgaBit         = 23;
   static const int      s_dataIdBit       = 30;
   static const int      s_ttWordId        = 0x1;
   static const uint32_t s_ttDataMask      = 0xff;
   static const uint32_t s_pairPinMask     = 0x7f;
   static const uint32_t s_dataIdMask      = 0x3;
   //  Hit counts bit positions and masks
   static const int      s_indicatorBit    = 24;
   static const uint32_t s_threshWordId    = 0x2;
   static const uint32_t s_threshMask      = 0xffffff;
   //  G-Link/Neutral format
   static const int      s_pairsPerPin       = 4;
   static const int      s_wordsPerPin       = 8;
   static const int      s_ttBits            = 8;
   static const int      s_errBits           = 2;
   static const int      s_hitBits           = 3;
   static const int      s_hitWords          = 8;
   static const int      s_glinkPins         = 20;
   static const int      s_glinkBitsPerSlice = 84;

   int  dataId(uint32_t word) const;
   int  data(int slice, int channel, int offset)  const;
   int  error(int slice, int channel, int offset) const;
   unsigned int hits(int slice, int offset)       const;
   int  index(int slice)      const;
   void resize(std::vector<uint32_t>& vec, int channels);

   bool packNeutral();
   bool packUncompressed();
   bool unpackNeutral();
   bool unpackUncompressed();

   std::vector<uint32_t> m_ttData;
   std::vector<uint32_t> m_hitData;
   std::vector<int> m_chanPresent;
   int m_channels;
 
};
 
inline int CpmSubBlock::dataId(const uint32_t word) const
{
  return (word >> s_dataIdBit) & s_dataIdMask;
}
 
inline bool CpmSubBlock::anyTowerData(const int channel) const
{
  return m_chanPresent[channel];
}
 
} // end namespace
 
#endif