[u/mrichter/AliRoot.git] / ITS / AliITSRawStreamSDD.h

#ifndef ALIITSRAWSTREAMSDD_H
#define ALIITSRAWSTREAMSDD_H
/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
 * See cxx source for full Copyright notice                               */

/* $Id$ */

///////////////////////////////////////////////////////////////////////////////
///
/// This class provides access to ITS SDD digits in raw data 
/// (default=simulated data).
///////////////////////////////////////////////////////////////////////////////

#include "AliITSRawStream.h"
#include "AliITSDDLModuleMapSDD.h"

class AliRawReader;


class AliITSRawStreamSDD: public AliITSRawStream {
  public :
    AliITSRawStreamSDD(AliRawReader* rawReader);
    AliITSRawStreamSDD(const AliITSRawStreamSDD& rs);
    AliITSRawStreamSDD& operator=(const AliITSRawStreamSDD& rs);
    virtual ~AliITSRawStreamSDD();

    virtual Bool_t   Next();

    virtual Int_t    GetAnode() const {return fCoord1;}
    virtual Int_t    GetTime() const {return fCoord2;}
    virtual Int_t    GetChannel() const {return fChannel;}
    virtual Int_t    ReadJitter() const {return 0;}
    virtual Int_t    GetCarlosId() const {return fCarlosId;}
    virtual Int_t    GetEventId() const {return fEventId;}

    virtual void SetDDLModuleMap(AliITSDDLModuleMapSDD* ddlsdd){fDDLModuleMap->SetDDLMap(ddlsdd);}
    virtual void     SetLowCarlosThreshold(Int_t th, Int_t i) 
      {fLowThreshold[i]=th;}
    virtual void     SetNCarlos(Int_t nC=12){fNCarlos=nC;}
    Int_t   GetModuleNumber(UInt_t iDDL, UInt_t iModule) const {
      return fDDLModuleMap->GetModuleNumber(iDDL,iModule);
    }
    virtual void     Reset(); 
    virtual Bool_t   ResetSkip(Int_t ddln); 

    enum {kDDLsNumber = 24};      // number of DDLs in SDD
    enum {kModulesPerDDL = 12};   // number of modules in each DDL 
    enum {kCarlosWords = 12};      // number of FIFOCARLOS Words
    enum {kFifoWords =  4};      // number of FIFO Words
    enum ESDDRawStreamError { 
      kDataError = 1,
      kDataFormatErr = 2
    };
  protected:
    virtual UInt_t   ReadBits();
    virtual Int_t    DecompAmbra(Int_t value) const;

    static const UInt_t fgkCodeLength[8]; //code length

    AliITSDDLModuleMapSDD* fDDLModuleMap; // mapping DDL/module -> module number 
    UInt_t           fData;         // data read for file
    Int_t            fSkip[kDDLsNumber];// number of skipped words
    Int_t            fEventId;      // event ID from header
    Int_t            fCarlosId;     // carlos ID
    Int_t            fChannel;      // current channel
    Int_t            fJitter;          // jitter between L0 and pascal stop (x25ns)
    ULong64_t        fChannelData[kModulesPerDDL][2];// packed data for the 2 channels
    UInt_t           fLastBit[kModulesPerDDL][2];    // last filled bit in fChannelData
    UInt_t           fChannelCode[kModulesPerDDL][2];// current channel code
    Bool_t           fReadCode[kModulesPerDDL][2];   // next bits are code or data
    UInt_t           fReadBits[kModulesPerDDL][2];   // number of bits to read
    Int_t            fLowThreshold[2]; // low Carlos threshold
    Int_t            fNCarlos;         // number of Carlos 
    Int_t            fNfifo[kFifoWords];  // FIFO number
    Int_t            fTimeBin[kModulesPerDDL][2];  // current timebin [ncarlos][nchannels]
    Int_t            fAnode[kModulesPerDDL][2]; // current anode [ncarlos][nchannels]
    Int_t            fDDL;        //current ddl number
    UInt_t           fICarlosWord[kCarlosWords]; // Carlos words
    UInt_t           fIFifoWord[kFifoWords];     // FIFO words
    Int_t            fICountFoot[kModulesPerDDL]; // counter for carlos footer words
    Int_t            fEndWords;      //number of 3f1f1f1f
    Int_t            fResetSkip;     //if it is 0, the ResetSkip Funcion is called
    ClassDef(AliITSRawStreamSDD, 7) // class for reading ITS SDD raw digits
};

#endif
Commit	Line	Data
	1	#ifndef ALIITSRAWSTREAMSDD_H
	2	#define ALIITSRAWSTREAMSDD_H
	3	/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
	4	* See cxx source for full Copyright notice */
	5
	6	/* $Id$ */
	7
	8	///////////////////////////////////////////////////////////////////////////////
	9	///
	10	/// This class provides access to ITS SDD digits in raw data
	11	/// (default=simulated data).
	12	///////////////////////////////////////////////////////////////////////////////
	13
	14	#include "AliITSRawStream.h"
	15	#include "AliITSDDLModuleMapSDD.h"
	16
	17	class AliRawReader;
	18
	19
	20	class AliITSRawStreamSDD: public AliITSRawStream {
	21	public :
	22	AliITSRawStreamSDD(AliRawReader* rawReader);
	23	AliITSRawStreamSDD(const AliITSRawStreamSDD& rs);
	24	AliITSRawStreamSDD& operator=(const AliITSRawStreamSDD& rs);
	25	virtual ~AliITSRawStreamSDD();
	26
	27	virtual Bool_t Next();
	28
	29	virtual Int_t GetAnode() const {return fCoord1;}
	30	virtual Int_t GetTime() const {return fCoord2;}
	31	virtual Int_t GetChannel() const {return fChannel;}
	32	virtual Int_t ReadJitter() const {return 0;}
	33	virtual Int_t GetCarlosId() const {return fCarlosId;}
	34	virtual Int_t GetEventId() const {return fEventId;}
	35
	36	virtual void SetDDLModuleMap(AliITSDDLModuleMapSDD* ddlsdd){fDDLModuleMap->SetDDLMap(ddlsdd);}
	37	virtual void SetLowCarlosThreshold(Int_t th, Int_t i)
	38	{fLowThreshold[i]=th;}
	39	virtual void SetNCarlos(Int_t nC=12){fNCarlos=nC;}
	40	Int_t GetModuleNumber(UInt_t iDDL, UInt_t iModule) const {
	41	return fDDLModuleMap->GetModuleNumber(iDDL,iModule);
	42	}
	43	virtual void Reset();
	44	virtual Bool_t ResetSkip(Int_t ddln);
	45
	46	enum {kDDLsNumber = 24}; // number of DDLs in SDD
	47	enum {kModulesPerDDL = 12}; // number of modules in each DDL
	48	enum {kCarlosWords = 12}; // number of FIFOCARLOS Words
	49	enum {kFifoWords = 4}; // number of FIFO Words
	50	enum ESDDRawStreamError {
	51	kDataError = 1,
	52	kDataFormatErr = 2
	53	};
	54	protected:
	55	virtual UInt_t ReadBits();
	56	virtual Int_t DecompAmbra(Int_t value) const;
	57
	58	static const UInt_t fgkCodeLength[8]; //code length
	59
	60	AliITSDDLModuleMapSDD* fDDLModuleMap; // mapping DDL/module -> module number
	61	UInt_t fData; // data read for file
	62	Int_t fSkip[kDDLsNumber];// number of skipped words
	63	Int_t fEventId; // event ID from header
	64	Int_t fCarlosId; // carlos ID
	65	Int_t fChannel; // current channel
	66	Int_t fJitter; // jitter between L0 and pascal stop (x25ns)
	67	ULong64_t fChannelData[kModulesPerDDL][2];// packed data for the 2 channels
	68	UInt_t fLastBit[kModulesPerDDL][2]; // last filled bit in fChannelData
	69	UInt_t fChannelCode[kModulesPerDDL][2];// current channel code
	70	Bool_t fReadCode[kModulesPerDDL][2]; // next bits are code or data
	71	UInt_t fReadBits[kModulesPerDDL][2]; // number of bits to read
	72	Int_t fLowThreshold[2]; // low Carlos threshold
	73	Int_t fNCarlos; // number of Carlos
	74	Int_t fNfifo[kFifoWords]; // FIFO number
	75	Int_t fTimeBin[kModulesPerDDL][2]; // current timebin [ncarlos][nchannels]
	76	Int_t fAnode[kModulesPerDDL][2]; // current anode [ncarlos][nchannels]
	77	Int_t fDDL; //current ddl number
	78	UInt_t fICarlosWord[kCarlosWords]; // Carlos words
	79	UInt_t fIFifoWord[kFifoWords]; // FIFO words
	80	Int_t fICountFoot[kModulesPerDDL]; // counter for carlos footer words
	81	Int_t fEndWords; //number of 3f1f1f1f
	82	Int_t fResetSkip; //if it is 0, the ResetSkip Funcion is called
	83	ClassDef(AliITSRawStreamSDD, 7) // class for reading ITS SDD raw digits
	84	};
	85
	86	#endif