CSCCathodeLCTProcessor.h

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#ifndef L1Trigger_CSCTriggerPrimitives_CSCCathodeLCTProcessor_h
#define L1Trigger_CSCTriggerPrimitives_CSCCathodeLCTProcessor_h
 
#include "DataFormats/CSCDigi/interface/CSCComparatorDigiCollection.h"
#include "DataFormats/CSCDigi/interface/CSCCLCTDigi.h"
#include "DataFormats/CSCDigi/interface/CSCCLCTPreTriggerDigi.h"
#include "L1Trigger/CSCTriggerPrimitives/interface/CSCBaseboard.h"
#include "L1Trigger/CSCTriggerPrimitives/interface/CSCLUTReader.h"
#include "L1Trigger/CSCTriggerPrimitives/interface/LCTQualityControl.h"
#include "L1Trigger/CSCTriggerPrimitives/interface/ComparatorCodeLUT.h"
#include "L1Trigger/CSCTriggerPrimitives/interface/PulseArray.h"
 
#include <vector>
 
class CSCCathodeLCTProcessor : public CSCBaseboard {
public:
  CSCCathodeLCTProcessor(unsigned endcap,
                         unsigned station,
                         unsigned sector,
                         unsigned subsector,
                         unsigned chamber,
                         const edm::ParameterSet& conf);
 
  ~CSCCathodeLCTProcessor() override = default;
 
  void setConfigParameters(const CSCDBL1TPParameters* conf);
 
  void clear();
 
  std::vector<CSCCLCTDigi> run(const CSCComparatorDigiCollection* compdc);
 
  void run(const std::vector<int> halfstrip[CSCConstants::NUM_LAYERS][CSCConstants::MAX_NUM_HALF_STRIPS_RUN2_TRIGGER]);
 
  std::vector<CSCCLCTDigi> readoutCLCTs() const;
 
  std::vector<CSCCLCTDigi> getCLCTs() const;
 
  CSCCLCTDigi getBestCLCT(int bx) const;
  CSCCLCTDigi getSecondCLCT(int bx) const;
 
  std::vector<int> preTriggerBXs() const { return thePreTriggerBXs; }
 
  std::vector<CSCCLCTPreTriggerDigi> preTriggerDigis() const { return thePreTriggerDigis; }
 
  /* get special bits for high multiplicity triggers */
  unsigned getInTimeHMT() const { return inTimeHMT_; }
  unsigned getOutTimeHMT() const { return outTimeHMT_; }
 
protected:
  CSCCLCTDigi bestCLCT[CSCConstants::MAX_CLCT_TBINS];
 
  CSCCLCTDigi secondCLCT[CSCConstants::MAX_CLCT_TBINS];
 
  bool getDigis(const CSCComparatorDigiCollection* compdc);
  void getDigis(const CSCComparatorDigiCollection* compdc, const CSCDetId& id);
 
  void setDefaultConfigParameters();
 
  void checkConfigParameters();
 
  //---------------- Methods common to all firmware versions ------------------
  // Single-argument version for TMB07 (halfstrip-only) firmware.
  // Takes the comparator & time info and stuffs it into halfstrip vector.
  // Multiple hits on the same strip are allowed.
  void readComparatorDigis(
      std::vector<int> halfstrip[CSCConstants::NUM_LAYERS][CSCConstants::MAX_NUM_HALF_STRIPS_RUN2_TRIGGER]);
  void pulseExtension(
      const std::vector<int> time[CSCConstants::NUM_LAYERS][CSCConstants::MAX_NUM_HALF_STRIPS_RUN2_TRIGGER]);
 
  //--------------- Functions for post-2007 version of the firmware -----------
  virtual std::vector<CSCCLCTDigi> findLCTs(
      const std::vector<int> halfstrip[CSCConstants::NUM_LAYERS][CSCConstants::MAX_NUM_HALF_STRIPS_RUN2_TRIGGER]);
 
  /* Check all half-strip pattern envelopes simultaneously, on every clock cycle, for a matching pattern
     Returns true if a pretrigger was found, and the first BX of the pretrigger */
  virtual bool preTrigger(const int start_bx, int& first_bx);
 
  /* For a given clock cycle, check each half-strip if a pattern matches
     This function determines best_pid_ and nhits_ for each half-strip */
  bool patternFinding(const unsigned int bx_time,
                      std::map<int, std::map<int, CSCCLCTDigi::ComparatorContainer> >& hits_in_patterns);
 
  void cleanComparatorContainer(CSCCLCTDigi& lct) const;
 
  /* Mark the half-strips around the best half-strip as busy */
  void markBusyKeys(const int best_hstrip,
                    const int best_patid,
                    int quality[CSCConstants::MAX_NUM_HALF_STRIPS_RUN2_TRIGGER]);
 
  // build a new CLCT trigger
  CSCCLCTDigi constructCLCT(const int bx,
                            const unsigned halfstrip_withstagger,
                            const CSCCLCTDigi::ComparatorContainer& hits);
 
  // build a new CLCT pretrigger
  CSCCLCTPreTriggerDigi constructPreCLCT(const int bx, const unsigned halfstrip, const unsigned index) const;
 
  // resets ispretrig_
  void clearPreTriggers();
  //--------------------------- Auxiliary methods -----------------------------
  void dumpConfigParams() const;
 
  void dumpDigis(
      const std::vector<int> strip[CSCConstants::NUM_LAYERS][CSCConstants::MAX_NUM_HALF_STRIPS_RUN2_TRIGGER]) const;
 
  //--------------------------- Member variables -----------------------------
 
  PulseArray pulse_;
 
  /* best pattern Id for a given half-strip */
  unsigned int best_pid[CSCConstants::MAX_NUM_HALF_STRIPS_RUN2_TRIGGER];
 
  /* number of layers hit on a given half-strip */
  unsigned int nhits[CSCConstants::MAX_NUM_HALF_STRIPS_RUN2_TRIGGER];
 
  /* does a given half-strip have a pre-trigger? */
  bool ispretrig_[CSCConstants::MAX_NUM_HALF_STRIPS_RUN2_TRIGGER];
 
  // actual LUT used
  CSCPatternBank::LCTPatterns clct_pattern_ = {};
 
  /* number of strips used in this processor */
  int numStrips_;
  int numCFEBs_;
  int numHalfStrips_;
 
  /* Is the layer in the chamber staggered? */
  int stagger[CSCConstants::NUM_LAYERS];
 
  std::vector<CSCComparatorDigi> digiV[CSCConstants::NUM_LAYERS];
  std::vector<int> thePreTriggerBXs;
  std::vector<CSCCLCTPreTriggerDigi> thePreTriggerDigis;
 
  /* data members for high multiplicity triggers */
  void encodeHighMultiplicityBits(
      const std::vector<int> halfstrip[CSCConstants::NUM_LAYERS][CSCConstants::MAX_NUM_HALF_STRIPS_RUN2_TRIGGER]);
  unsigned inTimeHMT_;
  unsigned outTimeHMT_;
  std::vector<unsigned> thresholds_;
  unsigned showerMinInTBin_;
  unsigned showerMaxInTBin_;
  unsigned showerMinOutTBin_;
  unsigned showerMaxOutTBin_;
 
  unsigned int fifo_tbins, fifo_pretrig;  // only for test beam mode.
  unsigned int hit_persist, drift_delay;
  unsigned int nplanes_hit_pretrig, nplanes_hit_pattern;
  unsigned int pid_thresh_pretrig, min_separation;
  unsigned int tmb_l1a_window_size;
 
  int start_bx_shift;
 
  int early_tbins;
 
  bool readout_earliest_2;
 
  static const unsigned int def_fifo_tbins, def_fifo_pretrig;
  static const unsigned int def_hit_persist, def_drift_delay;
  static const unsigned int def_nplanes_hit_pretrig;
  static const unsigned int def_nplanes_hit_pattern;
  static const unsigned int def_pid_thresh_pretrig, def_min_separation;
  static const unsigned int def_tmb_l1a_window_size;
 
  /* quality control */
  std::unique_ptr<LCTQualityControl> qualityControl_;
 
  /* comparator-code lookup table algorithm */
  std::unique_ptr<ComparatorCodeLUT> cclut_;
};
 
#endif