/data/refman/pasoursint/CMSSW_4_1_8_patch12/src/RecoLocalTracker/SiStripZeroSuppression/interface/SiStripFedZeroSuppression.h

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#ifndef RECOLOCALTRACKER_SISTRIPZEROSUPPRESSION_SISTRIPZEROSUPPRESSOR_H
#define RECOLOCALTRACKER_SISTRIPZEROSUPPRESSION_SISTRIPZEROSUPPRESSOR_H

#include "DataFormats/Common/interface/DetSetVector.h"
#include "DataFormats/SiStripDigi/interface/SiStripDigi.h"
#include "DataFormats/SiStripDigi/interface/SiStripRawDigi.h"
#include "FWCore/MessageLogger/interface/MessageLogger.h"

#include "FWCore/Framework/interface/EventSetup.h"
#include "FWCore/Framework/interface/ESHandle.h"

#include <vector>
class SiStripNoises;
class SiStripThreshold;


class SiStripFedZeroSuppression {
  
  friend class SiStripRawProcessingFactory;
  
 public:
  
  SiStripFedZeroSuppression(uint16_t fedalgo, bool trunc=true):  
    noise_cache_id(0), 
    threshold_cache_id(0),
    theFEDalgorithm(fedalgo),
    doTruncate(trunc) {}
  ~SiStripFedZeroSuppression() {};
  void init(const edm::EventSetup& es);
  void suppress(const std::vector<SiStripDigi>&,std::vector<SiStripDigi>&,const uint32_t&,
                edm::ESHandle<SiStripNoises> &,edm::ESHandle<SiStripThreshold> &);
  void suppress(const std::vector<SiStripDigi>&,std::vector<SiStripDigi>&,const uint32_t&);
  void suppress(const edm::DetSet<SiStripRawDigi>&,edm::DetSet<SiStripDigi>&);
  void suppress(const std::vector<int16_t>&,edm::DetSet<SiStripDigi>&);
  
  bool IsAValidDigi();
  
 private:
  
  inline uint16_t truncate(int16_t adc) const{
    if(adc>253 && doTruncate) return ((adc==1023) ? 255 : 254);
    return adc;
  };
  
  edm::ESHandle<SiStripNoises> noiseHandle;
  edm::ESHandle<SiStripThreshold> thresholdHandle;
  uint32_t noise_cache_id, threshold_cache_id;
  
  uint16_t theFEDalgorithm;
  bool doTruncate;

  int16_t  theFEDlowThresh;
  int16_t  theFEDhighThresh;
  
  int16_t adc;
  int16_t adcPrev;
  int16_t adcNext;
  int16_t adcMaxNeigh;
  int16_t adcPrev2;
  int16_t adcNext2;
  
  int16_t thePrevFEDlowThresh;
  int16_t thePrevFEDhighThresh;
  int16_t theNextFEDlowThresh;
  int16_t theNextFEDhighThresh;
  
  int16_t theNeighFEDlowThresh;
  int16_t theNeighFEDhighThresh;
  
  int16_t thePrev2FEDlowThresh;
  int16_t theNext2FEDlowThresh;
  
  // working caches
  std::vector<int16_t>   highThr_,   lowThr_;   // thresholds in adc counts
  std::vector<float>     highThrSN_, lowThrSN_; // thresholds as S/N
  std::vector<float>     noises_;
  
  void fillThresholds_(const uint32_t detID, size_t size) ;
  
};
#endif