VFATdata.h

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#ifndef EventFilter_GEMRawToDigi_VFATdata_h
#define EventFilter_GEMRawToDigi_VFATdata_h

#include <stdint.h>

namespace gem {
  class VFATdata 
  {
  public:    
    VFATdata(){}
    ~VFATdata(){}
  VFATdata(const uint8_t b1010_, 
       const uint16_t BC_,
       const uint8_t b1100_,
       const uint8_t EC_,
       const uint8_t Flag_,
       const uint8_t b1110_,
       const uint16_t ChipID_,
       const uint64_t lsData_,
       const uint64_t msData_,
       const uint16_t crc_,
       const uint16_t crc_calc_,
       const int SlotNumber_,
       const bool isBlockGood_) : 
    m_b1010(b1010_),
      m_BC(BC_),
      m_b1100(b1100_),
      m_EC(EC_),
      m_Flag(Flag_),
      m_b1110(b1110_),
      m_ChipID(ChipID_),
      m_lsData(lsData_),
      m_msData(msData_),
      m_crc(crc_),
      m_crc_calc(crc_calc_),
      m_SlotNumber(SlotNumber_),
      m_isBlockGood(isBlockGood_){
    if (m_crc == 0)
      m_crc = this->checkCRC();
      }

    void read_fw(uint64_t word)
    {
      m_b1010 = 0x0f & (word >> 60);
      m_BC = 0x0fff & (word >> 48);
      m_b1100 = 0x0f & (word >> 44);
      m_EC = word >> 36;
      m_Flag = 0x0f & (word >> 32);
      m_b1110 = 0x0f & (word >> 28);
      m_ChipID = 0x0fff & (word >> 16);
      m_msData = 0xffff000000000000 & (word << 48);
    }
    uint64_t get_fw() const
    {
      return
    (static_cast<uint64_t>(m_b1010 & 0x0f) <<  60) |
    (static_cast<uint64_t>(m_BC & 0x0fff) <<  48) |
    (static_cast<uint64_t>(m_b1100 & 0x0f) <<  44) |
    (static_cast<uint64_t>(m_EC) <<  36) |
    (static_cast<uint64_t>(m_Flag & 0x0f) <<  32) |
    (static_cast<uint64_t>(m_b1110 & 0x0f) <<  28) |
    (static_cast<uint64_t>(m_ChipID & 0x0fff) <<  16) |
    (static_cast<uint64_t>(m_msData & 0xffff000000000000) >> 48);
    }

    void read_sw(uint64_t word)
    {
      m_msData = m_msData | (0x0000ffffffffffff & word >> 16);
      m_lsData = 0xffff000000000000 & (word << 48);
    }
    uint64_t get_sw() const
    {
      return
    (static_cast<uint64_t>(m_msData & 0x0000ffffffffffff) <<  16) |
    (static_cast<uint64_t>(m_lsData & 0xffff000000000000) >>  48);
    }
    
    void read_tw(uint64_t word)
    {
      m_lsData = m_lsData | (0x0000ffffffffffff & word >> 16);
      m_crc = word;
    }
    // make write_word function
    uint64_t get_tw() const
    {
      return
    (static_cast<uint64_t>(m_lsData & 0x0000ffffffffffff) <<  16) |
    (static_cast<uint64_t>(m_crc));
    }
        
    uint8_t   b1010      () const { return m_b1010;      }
    uint16_t  bc         () const { return m_BC;         }
    uint8_t   b1100      () const { return m_b1100;      }
    uint8_t   ec         () const { return m_EC;         }
    uint8_t   flag       () const { return m_Flag;       }
    uint8_t   b1110      () const { return m_b1110;      }
    uint16_t  chipID     () const { return m_ChipID;     }
    uint64_t  lsData     () const { return m_lsData;     }
    uint64_t  msData     () const { return m_msData;     }
    uint16_t  crc        () const { return m_crc;        }
    uint16_t  crc_calc   () const { return m_crc_calc;   }
    int       slotNumber () const { return m_SlotNumber; }
    bool      isBlockGood() const { return m_isBlockGood;}

    uint16_t crc_cal(uint16_t crc_in, uint16_t dato)
    {
      uint16_t v = 0x0001;
      uint16_t mask = 0x0001;
      uint16_t d=0x0000;
      uint16_t crc_temp = crc_in;
      unsigned char datalen = 16;
      for (int i=0; i<datalen; i++){
    if (dato & v) d = 0x0001;
    else d = 0x0000;
    if ((crc_temp & mask)^d) crc_temp = crc_temp>>1 ^ 0x8408;
    else crc_temp = crc_temp>>1;
    v<<=1;
      }
      return(crc_temp);
    }
    
    uint16_t checkCRC()
    {
      uint16_t vfatBlockWords[12];
      vfatBlockWords[11] = ((0x000f & m_b1010)<<12) | m_BC;
      vfatBlockWords[10] = ((0x000f & m_b1100)<<12) | ((0x00ff & m_EC) <<4) | (0x000f & m_Flag);
      vfatBlockWords[9]  = ((0x000f & m_b1110)<<12) | m_ChipID;
      vfatBlockWords[8]  = (0xffff000000000000 & m_msData) >> 48;
      vfatBlockWords[7]  = (0x0000ffff00000000 & m_msData) >> 32;
      vfatBlockWords[6]  = (0x00000000ffff0000 & m_msData) >> 16;
      vfatBlockWords[5]  = (0x000000000000ffff & m_msData);
      vfatBlockWords[4]  = (0xffff000000000000 & m_lsData) >> 48;
      vfatBlockWords[3]  = (0x0000ffff00000000 & m_lsData) >> 32;
      vfatBlockWords[2]  = (0x00000000ffff0000 & m_lsData) >> 16;
      vfatBlockWords[1]  = (0x000000000000ffff & m_lsData);

      uint16_t crc_fin = 0xffff;
      for (int i = 11; i >= 1; i--){
    crc_fin = this->crc_cal(crc_fin, vfatBlockWords[i]);
      }
      return(crc_fin);
    }
    
    uint16_t checkCRC(uint8_t b1010, uint16_t BC, uint8_t b1100,
              uint8_t EC, uint8_t Flag, uint8_t b1110,
              uint16_t ChipID, uint64_t msData, uint64_t lsData)
    {
      uint16_t vfatBlockWords[12];
      vfatBlockWords[11] = ((0x000f & b1010)<<12) | BC;
      vfatBlockWords[10] = ((0x000f & b1100)<<12) | ((0x00ff & EC) <<4) | (0x000f & Flag);
      vfatBlockWords[9]  = ((0x000f & b1110)<<12) | ChipID;
      vfatBlockWords[8]  = (0xffff000000000000 & msData) >> 48;
      vfatBlockWords[7]  = (0x0000ffff00000000 & msData) >> 32;
      vfatBlockWords[6]  = (0x00000000ffff0000 & msData) >> 16;
      vfatBlockWords[5]  = (0x000000000000ffff & msData);
      vfatBlockWords[4]  = (0xffff000000000000 & lsData) >> 48;
      vfatBlockWords[3]  = (0x0000ffff00000000 & lsData) >> 32;
      vfatBlockWords[2]  = (0x00000000ffff0000 & lsData) >> 16;
      vfatBlockWords[1]  = (0x000000000000ffff & lsData);

      uint16_t crc_fin = 0xffff;
      for (int i = 11; i >= 1; i--){
    crc_fin = this->crc_cal(crc_fin, vfatBlockWords[i]);
      }
      return(crc_fin);
    }
    
    uint16_t checkCRC(const VFATdata * vfatData)
    {
      uint16_t vfatBlockWords[12]; 
      vfatBlockWords[11] = ((0x000f & vfatData->b1010())<<12) | vfatData->bc();
      vfatBlockWords[10] = ((0x000f & vfatData->b1100())<<12) | ((0x00ff & vfatData->ec()) <<4) | (0x000f & vfatData->flag());
      vfatBlockWords[9]  = ((0x000f & vfatData->b1110())<<12) | vfatData->chipID();
      vfatBlockWords[8]  = (0xffff000000000000 & vfatData->msData()) >> 48;
      vfatBlockWords[7]  = (0x0000ffff00000000 & vfatData->msData()) >> 32;
      vfatBlockWords[6]  = (0x00000000ffff0000 & vfatData->msData()) >> 16;
      vfatBlockWords[5]  = (0x000000000000ffff & vfatData->msData());
      vfatBlockWords[4]  = (0xffff000000000000 & vfatData->lsData()) >> 48;
      vfatBlockWords[3]  = (0x0000ffff00000000 & vfatData->lsData()) >> 32;
      vfatBlockWords[2]  = (0x00000000ffff0000 & vfatData->lsData()) >> 16;
      vfatBlockWords[1]  = (0x000000000000ffff & vfatData->lsData());

      uint16_t crc_fin = 0xffff;
      for (int i = 11; i >= 1; i--){
    crc_fin = this->crc_cal(crc_fin, vfatBlockWords[i]);
      }
      return(crc_fin);
    }    

    static const int nChannels = 128;
    static const int sizeChipID = 12;
    
  private:
    
    uint8_t  m_b1010;                   
    uint16_t m_BC;                      
    uint8_t  m_b1100;                   
    uint8_t  m_EC;                      
    uint8_t  m_Flag;                    
    uint8_t  m_b1110;                   
    uint16_t m_ChipID;                  
    uint64_t m_lsData;                  
    uint64_t m_msData;                  
    uint16_t m_crc;                     
    uint16_t m_crc_calc;                
    int      m_SlotNumber;              
    bool     m_isBlockGood;             
  
  };
}

#endif