JemJetElement.h

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/*
  Copyright (C) 2002-2017 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef TRIGT1CALOBYTESTREAM_JEMJETELEMENT_H
#define TRIGT1CALOBYTESTREAM_JEMJETELEMENT_H
 
#include <stdint.h>
 
namespace LVL1BS {

 
class JemJetElement {
 
 public:
   JemJetElement(uint32_t word);
   JemJetElement(int chan, int emDat, int hadDat,
                 int emParErr, int hadParErr, int linkErr);
 
   //  Return jet element data
   int      channel()   const;
   int      emData()    const;
   int      hadData()   const;
   int      emParity()  const;
   int      hadParity() const;
   int      linkError() const;
   int      pair()      const;
   int      pin()       const;
   int      wordId()    const;
   uint32_t data()      const;
 
 private:
   //  Jet Element data word bit positions and masks
   static const int      s_emDataBit     = 0;
   static const int      s_emParityBit   = 9;
   static const int      s_hadDataBit    = 10;
   static const int      s_hadParityBit  = 19;
   static const int      s_linkErrorBit  = 20;
   static const int      s_pairBit       = 23;
   static const int      s_pinBit        = 25;
   static const int      s_wordIdBit     = 30;
   static const int      s_jeWordId      = 0x1;
   static const int      s_pairsPerPin   = 3;
   static const int      s_pairOffset    = 1;
   static const uint32_t s_emDataMask    = 0x1ff;
   static const uint32_t s_emParityMask  = 0x1;
   static const uint32_t s_hadDataMask   = 0x1ff;
   static const uint32_t s_hadParityMask = 0x1;
   static const uint32_t s_linkErrorMask = 0x3;
   static const uint32_t s_pairMask      = 0x3;
   static const uint32_t s_pinMask       = 0x1f;
   static const uint32_t s_wordIdMask    = 0x3;

   uint32_t m_data;
 
};
 
inline int JemJetElement::channel() const
{
  return s_pairsPerPin * pin() + pair() - s_pairOffset;
}
 
inline int JemJetElement::emData() const
{
  return (m_data >> s_emDataBit) & s_emDataMask;
}
 
inline int JemJetElement::hadData() const
{
  return (m_data >> s_hadDataBit) & s_hadDataMask;
}
 
inline int JemJetElement::emParity() const
{
  return (m_data >> s_emParityBit) & s_emParityMask;
}
 
inline int JemJetElement::hadParity() const
{
  return (m_data >> s_hadParityBit) & s_hadParityMask;
}
 
inline int JemJetElement::linkError() const
{
  return (m_data >> s_linkErrorBit) & s_linkErrorMask;
}
 
inline int JemJetElement::pair() const
{
  return (m_data >> s_pairBit) & s_pairMask;
}
 
inline int JemJetElement::pin() const
{
  return (m_data >> s_pinBit) & s_pinMask;
}
 
inline int JemJetElement::wordId() const
{
  return (m_data >> s_wordIdBit) & s_wordIdMask;
}
 
inline uint32_t JemJetElement::data() const
{
  return m_data;
}
 
} // end namespace
 
#endif