CSCComparatorData.h

Go to the documentation of this file.

#ifndef EventFilter_CSCRawToDigi_CSCComparatorData_h
#define EventFilter_CSCRawToDigi_CSCComparatorData_h
#include "DataFormats/CSCDigi/interface/CSCComparatorDigi.h"
#include "DataFormats/MuonDetId/interface/CSCDetId.h"
#include <vector>
#include <cassert>

#ifndef LOCAL_UNPACK
#include <atomic>
#endif

struct CSCComparatorDataWord {
  CSCComparatorDataWord(unsigned cfeb, unsigned tbin, unsigned data) : data_(data), tbin_(tbin), cfeb_(cfeb) {}
  bool value(int distrip) { return (data_ >> distrip) & 0x1; }
  void set(int distrip, bool value) { data_ |= (value << distrip); }
  unsigned short data_ : 8;
  unsigned short tbin_ : 4;
  unsigned short cfeb_ : 4;
};

class CSCTMBHeader;

class CSCComparatorData {
public:
  explicit CSCComparatorData(const CSCTMBHeader *tmbHeader);
  CSCComparatorData(int ncfebs, int ntbins, int firmware_version = 2007);
  CSCComparatorData(int ncfebs, int ntbins, const unsigned short *e0bbuf, int firmware_version = 2007);

  static void setDebug(const bool value) { debug = value; };

  std::vector<CSCComparatorDigi> comparatorDigis(int layer);

  std::vector<CSCComparatorDigi> comparatorDigis(uint32_t idlayer, unsigned icfeb);

  unsigned short *data() { return theData; }
  int sizeInWords() const { return size_; }
  int nlines() const { return ncfebs_ * ntbins_ * 6; }

  void add(const CSCComparatorDigi &digi, int layer);
  void add(const CSCComparatorDigi &digi, const CSCDetId &id);

  CSCComparatorDataWord &dataWord(int iline) const {
#ifdef ASSERTS
    assert(iline < nlines());
#endif
    union dataPtr {
      const unsigned short *s;
      CSCComparatorDataWord *d;
    } mptr;
    mptr.s = theData + iline;
    return *(mptr.d);
  }

  CSCComparatorDataWord &dataWord(int cfeb, int tbin, int layer) const {
    int iline = (layer - 1) + tbin * 6 + cfeb * 6 * ntbins_;
    return dataWord(iline);
  }

  bool bitValue(int cfeb, int tbin, int layer, int distrip) { return dataWord(cfeb, tbin, layer).value(distrip); }

  // checks that the CFEB number and time bins are correct
  bool check() const;

  // hex dump
  void dump() const;

  // checks packing and unpacking
  static void selfTest();

private:
  // helper for constructors
  void zero();

#ifdef LOCAL_UNPACK
  static bool debug;
#else
  static std::atomic<bool> debug;
#endif

  int ncfebs_;
  int ntbins_;
  int size_;
  unsigned short theData[7 * 6 * 32];
  int theFirmwareVersion;
};

#endif