CmmCpSubBlock.h

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/*
  Copyright (C) 2002-2017 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef TRIGT1CALOBYTESTREAM_CMMCPSUBBLOCK_H
#define TRIGT1CALOBYTESTREAM_CMMCPSUBBLOCK_H
 
#include <stdint.h>
#include <vector>
 
#include "CmmSubBlock.h"
 
namespace LVL1BS {
 
class CmmCpSubBlock : public CmmSubBlock {
 
 public:
   //  Note - because CPMs are numbered 1-14 these are one more
   //  than the stored source ID and corresponding G-Link pin.
   enum SourceId { REMOTE_0 = 15, REMOTE_1 = 16, REMOTE_2 = 17,
                   LOCAL = 18, TOTAL = 19, MAX_SOURCE_ID };
 
   CmmCpSubBlock();
   ~CmmCpSubBlock();
 
   void clear();
 
   unsigned int hits(int slice, int source) const;
   int hitsError(int slice, int source)     const;
 
   void setHits(int slice, int source, unsigned int hits, int error);
 
   bool pack();
   bool unpack();
 
 private:
   static const int      s_wordLength      = 32;
   //  Jet hit counts bit positions and masks
   static const int      s_threshBit       = 0;
   static const int      s_threshErrorBit  = 24;
   static const int      s_sourceIdBit     = 25;
   static const int      s_dataWordIdBit   = 30;
   static const int      s_dataWordId      = 0;
   static const int      s_maxHits         = 19;
   static const uint32_t s_threshMask      = 0xffffff;
   static const uint32_t s_errorMask       = 0x1;
   static const uint32_t s_sourceIdMask    = 0x1f;
   //  Neutral format
   static const int      s_hitsBits          = 24;
   static const int      s_hitsErrorBits     = 1;
   static const int      s_bunchCrossingBits = 12;
   static const int      s_paddingBits       = 8;
   static const int      s_fifoOverflowPin   = 13;
 
   int  sourceId(uint32_t word)      const;
   int  index(int slice, int source) const;
   void resize();
 
   bool packNeutral();
   bool packUncompressed();
   bool unpackNeutral();
   bool unpackUncompressed();
 
   std::vector<uint32_t> m_hitsData;
 
};
 
inline int CmmCpSubBlock::sourceId(const uint32_t word) const
{
  return (word >> s_sourceIdBit) & s_sourceIdMask;
}
 
} // end namespace
 
#endif