VFATFrame.h

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/**********************************************************
*
* This is a part of the TOTEM offline software.
* Authors:
*    Jan Kaspar (jan.kaspar@gmail.com)
*
**********************************************************/

#ifndef EventFilter_CTPPSRawToDigi_VFATFrame
#define EventFilter_CTPPSRawToDigi_VFATFrame

#include <vector>
#include <cstddef>
#include <stdint.h>

class VFATFrame
{
  public:
    typedef uint16_t word;
  public:
    VFATFrame(const word* _data = NULL);

    VFATFrame(const VFATFrame& copy)
    {
      setData(copy.data);
      presenceFlags = copy.presenceFlags;
      daqErrorFlags = copy.daqErrorFlags;
      numberOfClusters = copy.numberOfClusters;

    }

    virtual ~VFATFrame() {}

    void setData(const word *_data);

    VFATFrame::word* getData()
    {
      return data;
    }

    VFATFrame::word getBC() const
    {
      return data[11] & 0x0FFF;
    }

    VFATFrame::word getEC() const
    {
      return (data[10] & 0x0FF0) >> 4;
    }

    VFATFrame::word getFlags() const
    {
      return data[10] & 0x000F;
    }

    VFATFrame::word getChipID() const
    {
      return data[9] & 0x0FFF;
    }

    VFATFrame::word getCRC() const
    {
      return data[0];
    }
   

    void setPresenceFlags(uint8_t v)
    {
      presenceFlags = v;
    }

    bool isBCPresent() const
    {
      return presenceFlags & 0x1;
    }

    bool isECPresent() const
    {
      return presenceFlags & 0x2;
    }

    bool isIDPresent() const
    {
      return presenceFlags & 0x4;
    }

    bool isCRCPresent() const
    {
      return presenceFlags & 0x8;
    }

    bool isNumberOfClustersPresent() const
    {
      return presenceFlags & 0x10;
    }

    void setDAQErrorFlags(uint8_t v)
    {
      daqErrorFlags = v;
    }

    void setNumberOfClusters(uint8_t v)
    {
      numberOfClusters = v;
    }

    uint8_t getNumberOfClusters() const
    {
      return numberOfClusters;
    }

    bool checkFootprint() const;


    virtual bool checkCRC() const;

    virtual bool channelActive(unsigned char channel) const
    {
      return ( data[1 + (channel / 16)] & (1 << (channel % 16)) ) ? 1 : 0;
    }

    virtual std::vector<unsigned char> getActiveChannels() const;

    void Print(bool binary = false) const;

  protected:
    word data[12];
  private: 
    uint8_t presenceFlags;

    uint8_t daqErrorFlags;

    uint8_t numberOfClusters;

    static word calculateCRC(word crc_in, word dato);
};                                                                     

#endif