[u/mrichter/AliRoot.git] / RAW / AliITSRawStreamSDDv2.h

#ifndef ALIITSRAWSTREAMSDDV2_H
#define ALIITSRAWSTREAMSDDV2_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 test beam raw data.
///
///////////////////////////////////////////////////////////////////////////////

#include "AliITSRawStream.h"

class AliRawReader;


class AliITSRawStreamSDDv2: public AliITSRawStream {
  public :
    AliITSRawStreamSDDv2(AliRawReader* rawReader);
    virtual ~AliITSRawStreamSDDv2() {};

    virtual Bool_t   Next();

    Int_t            GetAnode() const {return fCoord1;};
    Int_t            GetTimeBin() const {return fCoord2;};

  private :
    UInt_t           ReadBits();
    Int_t            DecompAmbra(Int_t value) const;

    UInt_t           fData;         // data read for file

    static const UInt_t fgkCodeLength[8];  // length of coded data word
    Int_t            fSkip;            // number of skipped words
    Int_t            fEventId;         // event ID from the header
    Int_t            fCarlosId;        // carlos ID from the header
    Int_t            fChannel;         // current channel
    ULong64_t        fChannelData[2];  // packed data for the 2 channels
    UInt_t           fLastBit[2];      // last filled bit in fChannelData
    UInt_t           fChannelCode[2];  // current channel code
    Bool_t           fReadCode[2];     // next bits are code or data
    UInt_t           fReadBits[2];     // number of bits to read
    Int_t            fTimeBin[2];      // current time bin
    Int_t            fAnode[2];        // current anode number
    Int_t            fLowThreshold[2]; // low Carlos threshold

    ClassDef(AliITSRawStreamSDDv2, 0) // class for reading ITS SDD raw digits
};

#endif
Commit	Line	Data
dd1b1dd1	1	#ifndef ALIITSRAWSTREAMSDDV2_H
	2	#define ALIITSRAWSTREAMSDDV2_H
	3	/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
	4	* See cxx source for full Copyright notice */
	5
bea6b2a4	6	/* $Id$ */
	7
	8	///////////////////////////////////////////////////////////////////////////////
	9	///
	10	/// This class provides access to ITS SDD digits in test beam raw data.
	11	///
	12	///////////////////////////////////////////////////////////////////////////////
	13
dd1b1dd1	14	#include "AliITSRawStream.h"
	15
	16	class AliRawReader;
	17
	18
	19	class AliITSRawStreamSDDv2: public AliITSRawStream {
	20	public :
	21	AliITSRawStreamSDDv2(AliRawReader* rawReader);
	22	virtual ~AliITSRawStreamSDDv2() {};
	23
	24	virtual Bool_t Next();
	25
	26	Int_t GetAnode() const {return fCoord1;};
	27	Int_t GetTimeBin() const {return fCoord2;};
	28
	29	private :
	30	UInt_t ReadBits();
	31	Int_t DecompAmbra(Int_t value) const;
	32
	33	UInt_t fData; // data read for file
	34
	35	static const UInt_t fgkCodeLength[8]; // length of coded data word
	36	Int_t fSkip; // number of skipped words
	37	Int_t fEventId; // event ID from the header
	38	Int_t fCarlosId; // carlos ID from the header
	39	Int_t fChannel; // current channel
	40	ULong64_t fChannelData[2]; // packed data for the 2 channels
	41	UInt_t fLastBit[2]; // last filled bit in fChannelData
	42	UInt_t fChannelCode[2]; // current channel code
	43	Bool_t fReadCode[2]; // next bits are code or data
	44	UInt_t fReadBits[2]; // number of bits to read
	45	Int_t fTimeBin[2]; // current time bin
	46	Int_t fAnode[2]; // current anode number
	47	Int_t fLowThreshold[2]; // low Carlos threshold
	48
	49	ClassDef(AliITSRawStreamSDDv2, 0) // class for reading ITS SDD raw digits
	50	};
	51
	52	#endif