pixmem.hpp

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#pragma once
 
#include "itk/itkpix/geo/geometry.hpp"
 
namespace itk::itkpix {
 
static constexpr uint NumCol = 400;
static constexpr uint NumRow = 384;
static constexpr uint NumDCol = NumCol/2; // double column
static constexpr uint NumQColPix = 8; // number of cols per qcore
static constexpr uint NumQRowPix = 2; // number of rows per qcore
static constexpr uint NumQCol = NumCol/NumQColPix; // = 50  qcore cols
static constexpr uint NumQRow = NumRow/NumQRowPix; // = 192 qcore rows
 
typedef struct {
  union{
    uint reg : 8;
    struct {
      uint enable : 1;
      uint calen  : 1;
      uint hitbus : 1;
      uint udac   : 4;
      uint sign   : 1;
    };
  };
 
  inline void set_thr(int thr) {
    udac = abs(thr) & 0xF;
    sign = (thr < 0 ? 0x1 : 0x0);
  }
 
  inline int get_thr() const {
    int thr = udac;
    if (sign) thr = -thr;
    return thr;
  }
 
  inline void set_tdac(uint8_t tdac) {
    udac = tdac & 0xF;
    sign = (tdac >> 4) & 0x1;
  }
 
  inline uint8_t get_tdac() const {
    uint8_t tdac = sign << 4 | udac;
    return tdac;
  }
 
} __attribute__((packed)) PixReg;
 
 
class PixMem {
public:
 
  virtual ~PixMem() = default;
 
  virtual PixReg get_pix(uint col, uint row) = 0;
 
  virtual void set_pix(uint col, uint row, PixReg pix) = 0;
 
  virtual void set_pix_mask(uint col, uint row, PixReg pix) = 0;
 
  virtual void set_pix_tdac(uint col, uint row, PixReg pix) = 0;
 
  virtual int get_pix_thr(uint col, uint row) = 0;
 
  virtual void set_pix_thr(uint col, uint row, int thr) = 0;
 
  virtual uint16_t get_pix_dreg(uint dcol, uint row) = 0;
 
  virtual void set_pix_dreg(uint dcol, uint row, uint16_t dreg) = 0;
 
}; // PixMem
 
} // itk::itkpix