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

#ifndef ALIITSRAWSTREAMSPD_H
#define ALIITSRAWSTREAMSPD_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 SPD digits in raw data.
///
///////////////////////////////////////////////////////////////////////////////

#include "AliITSRawStream.h"


class AliITSRawStreamSPD: public AliITSRawStream {
  public :
    AliITSRawStreamSPD(AliRawReader* rawReader);
    virtual ~AliITSRawStreamSPD() {};

    virtual Bool_t   Next();
    virtual void     SkipCalibHeader();

    Int_t            GetRow() const {return fCoord2;};
    Int_t            GetColumn() const {return fCoord1;};

    enum {kDDLsNumber = 20};      // number of DDLs in SPD
    enum {kModulesPerDDL = 12};   // number of modules in each DDL

    static Int_t     GetModuleNumber(UInt_t iDDL, UInt_t iModule)
      {return fgkDDLModuleMap[iDDL][iModule];}

  private :
    static const Int_t fgkDDLModuleMap[kDDLsNumber][kModulesPerDDL];  // mapping DDL/module -> module number

    UShort_t         fData;         // data read for file
    Int_t            fDDLNumber;    // current DDL number
    Int_t            fEventNumber;  // event trigger number
    UInt_t           fOffset;       // offset for cell column
    UInt_t           fHitCount;     // counter of hits

    UChar_t          fDataChar1, fDataChar2, fDataChar3, fDataChar4; // temps part of a 32bit word
    Bool_t           fFirstWord;      // keeps track of which of the two 16bit words out of the 32bit word to read
    Bool_t           ReadNextShort();

    ClassDef(AliITSRawStreamSPD, 0) // class for reading ITS SPD raw digits
};

#endif
Commit	Line	Data
2906f4c2	1	#ifndef ALIITSRAWSTREAMSPD_H
	2	#define ALIITSRAWSTREAMSPD_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 SPD digits in raw data.
	11	///
	12	///////////////////////////////////////////////////////////////////////////////
	13
	14	#include "AliITSRawStream.h"
	15
	16
	17	class AliITSRawStreamSPD: public AliITSRawStream {
	18	public :
	19	AliITSRawStreamSPD(AliRawReader* rawReader);
	20	virtual ~AliITSRawStreamSPD() {};
	21
	22	virtual Bool_t Next();
72600597	23	virtual void SkipCalibHeader();
2906f4c2	24
	25	Int_t GetRow() const {return fCoord2;};
	26	Int_t GetColumn() const {return fCoord1;};
	27
2906f4c2	28	enum {kDDLsNumber = 20}; // number of DDLs in SPD
	29	enum {kModulesPerDDL = 12}; // number of modules in each DDL
	30
	31	static Int_t GetModuleNumber(UInt_t iDDL, UInt_t iModule)
	32	{return fgkDDLModuleMap[iDDL][iModule];}
	33
	34	private :
	35	static const Int_t fgkDDLModuleMap[kDDLsNumber][kModulesPerDDL]; // mapping DDL/module -> module number
	36
	37	UShort_t fData; // data read for file
	38	Int_t fDDLNumber; // current DDL number
	39	Int_t fEventNumber; // event trigger number
2906f4c2	40	UInt_t fOffset; // offset for cell column
	41	UInt_t fHitCount; // counter of hits
	42
72600597	43	UChar_t fDataChar1, fDataChar2, fDataChar3, fDataChar4; // temps part of a 32bit word
	44	Bool_t fFirstWord; // keeps track of which of the two 16bit words out of the 32bit word to read
	45	Bool_t ReadNextShort();
	46
2906f4c2	47	ClassDef(AliITSRawStreamSPD, 0) // class for reading ITS SPD raw digits
	48	};
	49
	50	#endif