Realistic raw-data simulation and reading. Waiting for the documents that describes...
[u/mrichter/AliRoot.git] / VZERO / AliVZERORawStream.h
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2eb38194 1#ifndef ALIVZERORAWSTREAM_H
2#define ALIVZERORAWSTREAM_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 the VZERO DDL raw data
9/// The format of the raw data corresponds to the one
10/// implemented in AliVZEROBuffer class.
11///
12///////////////////////////////////////////////////////////////////////////////
13
14#include <TObject.h>
15
16class AliRawReader;
17
18class AliVZERORawStream: public TObject {
19 public :
20 AliVZERORawStream(AliRawReader* rawReader);
21 virtual ~AliVZERORawStream();
22
23 virtual void Reset();
24 virtual Bool_t Next();
25
726d762c 26 UShort_t GetADC(Int_t channel) const
27 { return fADC[channel][kNEvOfInt/2]; }
28 UInt_t GetTime(Int_t channel) const
29 { return fTime[channel]; }
30
31 enum EVZERORawDataParams {
32 kNChannels = 64,
33 kNEvOfInt = 21, // Number of events of interest
34 kNScalers = 16,
35 kNBunches = 10
36 };
2eb38194 37
38 enum EVZERORawStreamError {
39 kRawDataSizeErr = 1
40 };
41
42 private:
43
44 AliVZERORawStream(const AliVZERORawStream& stream);
45 AliVZERORawStream& operator = (const AliVZERORawStream& stream);
46
726d762c 47 UInt_t GetNextWord();
48 UShort_t GetNextShort();
49
50 ULong64_t fBBScalers[kNChannels]; // 'Beam-Beam' scalers for all channels
51 ULong64_t fBGScalers[kNChannels]; // 'Beam-Gas' scalers for all channels
52 UInt_t fScalers[kNScalers]; // Trigger scalers
53 UInt_t fBunchNumbers[kNBunches]; // Bunch numbers for the previous 10 MB events
54 UShort_t fChargeMB[kNChannels][kNBunches]; // ADC counts for all channels for the previous 10 MB events
55 Bool_t fIsIntMB[kNChannels][kNBunches]; // 'Interaction' flag for all channels for the previous 10 MB events
56 Bool_t fIsBBMB[kNChannels][kNBunches]; // 'Beam-Beam' flag for all channels for the previous 10 MB events
57 Bool_t fIsBGMB[kNChannels][kNBunches]; // 'Beam-Gas' for all channels for the previous 10 MB events
58
59 UShort_t fADC[kNChannels][kNEvOfInt]; // ADC counts for all channels and all events of interest
60 Bool_t fIsInt[kNChannels][kNEvOfInt]; // 'Interaction' flag for all channels
61 Bool_t fIsBB[kNChannels][kNEvOfInt]; // 'Beam-Beam' flag for all channels
62 Bool_t fIsBG[kNChannels][kNEvOfInt]; // 'Beam-Gas' flag for all channels
63 Int_t fTime[kNChannels]; // leading time for all channels
64 Int_t fWidth[kNChannels]; // signal width for all channels
2eb38194 65
726d762c 66 UShort_t fTrigger; // VZERO trigger inputs
67 UShort_t fTriggerMask; // VZERO trigger inputs mask
2eb38194 68
726d762c 69 Int_t fPosition; // current position in the raw-data payload
2eb38194 70
726d762c 71 AliRawReader* fRawReader; // object for reading the raw data
2eb38194 72
726d762c 73 UChar_t* fData; // pointer to raw data payload
2eb38194 74
75 ClassDef(AliVZERORawStream, 0) // class for reading VZERO DDL raw data
76};
77
78#endif