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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 |