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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 |