[u/mrichter/AliRoot.git] / HMPID / AliHMPIDRawStream.h

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

///////////////////////////////////////////////////////////////////////////////
///
/// This is a class for reading raw data digits for HMPID.
/// The data format is taken from the document provided by Paolo Martinengo.
///
/// cvetan.cheshkov@cern.ch 19/07/2007
///
///////////////////////////////////////////////////////////////////////////////

#include <TObject.h>

class AliRawReader;

class AliHMPIDRawStream: public TObject {
  public :
    AliHMPIDRawStream(AliRawReader* rawReader);
    virtual ~AliHMPIDRawStream();

    virtual void             Reset();
    virtual Bool_t           Next();
    void                     Init();

    Int_t GetDDLNumber()  const { return fDDLNumber; }  // Provide current DDL number
    Short_t GetCharge(Int_t row, Int_t dilogic, Int_t pad) const; // Provide the charge observed in certain row,dilogic,pad channel

      enum EHMPIDRawStreamError {
      kRawDataSizeErr = 1,
      kRowMarkerErr = 2,
      kWrongRowErr = 3,
      kWrongDilogicErr = 4,
      kWrongPadErr = 5,
      kEoEFlagErr = 6,
      kEoESizeErr = 7,
      kEoEDILOGICErr = 8,
      kEoERowErr = 9,
      kBadSegWordErr = 10,
      kWrongSegErr = 11
    };

    enum {
      kNRows       = 25, // Number of rows (starting from 1 !)
      kNDILOGICAdd = 11, // Number of DILOGIC addresses in a row (starting from 1 !)
      kNPadAdd     = 48, // Number of
      kNRowsPerSegment = 8 // Number of rows per segment
    };

  private :

    AliHMPIDRawStream& operator = (const AliHMPIDRawStream& stream);
    AliHMPIDRawStream(const AliHMPIDRawStream& stream);

    UInt_t           GetNextWord();

    Short_t          fCharge[kNRows][kNDILOGICAdd][kNPadAdd]; // Array for charge values for all channels in one DDL

    Int_t            fDDLNumber;    // index of current DDL number

    AliRawReader*    fRawReader;    // object for reading the raw data

    UChar_t*         fData;         // raw data

    Int_t            fPosition;     // current position in fData
    //    Int_t            fCount;        // counter of words to be read for current trailer

    ClassDef(AliHMPIDRawStream, 0)  // base class for reading HMPID raw digits
};

#endif
Commit	Line	Data
d2e2f542	1	#ifndef ALIHMPIDRAWSTREAM_H
	2	#define ALIHMPIDRAWSTREAM_H
	3	/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
	4	* See cxx source for full Copyright notice */
	5
	6	///////////////////////////////////////////////////////////////////////////////
	7	///
	8	/// This is a class for reading raw data digits for HMPID.
	9	/// The data format is taken from the document provided by Paolo Martinengo.
	10	///
	11	/// cvetan.cheshkov@cern.ch 19/07/2007
	12	///
	13	///////////////////////////////////////////////////////////////////////////////
	14
	15	#include <TObject.h>
	16
	17	class AliRawReader;
	18
	19	class AliHMPIDRawStream: public TObject {
	20	public :
	21	AliHMPIDRawStream(AliRawReader* rawReader);
	22	virtual ~AliHMPIDRawStream();
	23
	24	virtual void Reset();
	25	virtual Bool_t Next();
	26	void Init();
	27
	28	Int_t GetDDLNumber() const { return fDDLNumber; } // Provide current DDL number
	29	Short_t GetCharge(Int_t row, Int_t dilogic, Int_t pad) const; // Provide the charge observed in certain row,dilogic,pad channel
	30
	31	enum EHMPIDRawStreamError {
	32	kRawDataSizeErr = 1,
	33	kRowMarkerErr = 2,
	34	kWrongRowErr = 3,
	35	kWrongDilogicErr = 4,
	36	kWrongPadErr = 5,
	37	kEoEFlagErr = 6,
	38	kEoESizeErr = 7,
	39	kEoEDILOGICErr = 8,
	40	kEoERowErr = 9,
	41	kBadSegWordErr = 10,
	42	kWrongSegErr = 11
	43	};
	44
	45	enum {
	46	kNRows = 25, // Number of rows (starting from 1 !)
	47	kNDILOGICAdd = 11, // Number of DILOGIC addresses in a row (starting from 1 !)
	48	kNPadAdd = 48, // Number of
	49	kNRowsPerSegment = 8 // Number of rows per segment
	50	};
	51
	52	private :
	53
	54	AliHMPIDRawStream& operator = (const AliHMPIDRawStream& stream);
	55	AliHMPIDRawStream(const AliHMPIDRawStream& stream);
	56
	57	UInt_t GetNextWord();
	58
	59	Short_t fCharge[kNRows][kNDILOGICAdd][kNPadAdd]; // Array for charge values for all channels in one DDL
	60
	61	Int_t fDDLNumber; // index of current DDL number
	62
	63	AliRawReader* fRawReader; // object for reading the raw data
	64
65	UChar_t* fData; // raw data
66
67	Int_t fPosition; // current position in fData
68	// Int_t fCount; // counter of words to be read for current trailer
69
70	ClassDef(AliHMPIDRawStream, 0) // base class for reading HMPID raw digits
71	};
72
73	#endif