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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 | /// PLEASE NOTE that Int_t channel is here the FEE channel from 0 to 63 in the | |
13 | /// order defined by Yannick Zoccarato which is not the same order as the order | |
14 | /// defined in aliroot by the naming and numbering conventions. | |
15 | /// Therefore one has to go from FEE_Channel to AliRoot_Channel using | |
16 | /// GetOfflineChannel(Int_t channel) when going from Online to Offline !!! | |
17 | /// | |
18 | /////////////////////////////////////////////////////////////////////////////// | |
19 | ||
20 | #include <TObject.h> | |
21 | #include <TMath.h> | |
22 | ||
23 | class AliRawReader; | |
24 | class AliVZEROTriggerData; | |
25 | ||
26 | class AliVZERORawStream: public TObject { | |
27 | public : | |
28 | AliVZERORawStream(AliRawReader* rawReader); | |
29 | virtual ~AliVZERORawStream(); | |
30 | ||
31 | virtual void Reset(); | |
32 | virtual Bool_t Next(); | |
33 | ||
34 | // Getters of various scalers and Minimum Bias flags : | |
35 | ||
36 | ULong64_t GetBBScalers(Int_t channel) const | |
37 | { return fBBScalers[channel]; } | |
38 | ULong64_t GetBGScalers(Int_t channel) const | |
39 | { return fBGScalers[channel]; } | |
40 | UInt_t GetTriggerScalers(Int_t num_scaler) const | |
41 | { return fScalers[num_scaler]; } | |
42 | UInt_t GetBunchNumbersMB(Int_t num_bunch) const | |
43 | { return fBunchNumbers[num_bunch]; } | |
44 | UShort_t GetChargeMB(Int_t channel, Int_t num_bunch) const | |
45 | { return fChargeMB[channel][num_bunch]; } | |
46 | Bool_t GetIntMBFlag(Int_t channel, Int_t num_bunch) const | |
47 | { return fIsIntMB[channel][num_bunch]; } | |
48 | Bool_t GetBBMBFlag(Int_t channel, Int_t num_bunch) const | |
49 | { return fIsBBMB[channel][num_bunch]; } | |
50 | Bool_t GetBGMBFlag(Int_t channel, Int_t num_bunch) const | |
51 | { return fIsBGMB[channel][num_bunch]; } | |
52 | ||
53 | // Getters of ADC signals, ADC pedestals, time information and corresponding flags : | |
54 | ||
55 | Short_t GetADC(Int_t channel) const | |
56 | { return TMath::MaxElement(kNEvOfInt, fADC[channel]); } // maximum value instead of central clock | |
57 | // { return fADC[channel][kNEvOfInt/2]; } | |
58 | ||
59 | Short_t GetPedestal(Int_t channel, Int_t event) const | |
60 | { return fADC[channel][event]; } | |
61 | Bool_t GetIntegratorFlag(Int_t channel, Int_t event) const | |
62 | { return fIsInt[channel][event]; } | |
63 | Bool_t GetBBFlag(Int_t channel, Int_t event) const | |
64 | { return fIsBB[channel][event]; } | |
65 | Bool_t GetBGFlag(Int_t channel, Int_t event) const | |
66 | { return fIsBG[channel][event]; } | |
67 | Short_t GetTime(Int_t channel) const | |
68 | { return fTime[channel]; } | |
69 | Short_t GetWidth(Int_t channel) const | |
70 | { return fWidth[channel]; } | |
71 | ||
72 | UShort_t GetTriggerInputs() const | |
73 | { return fTrigger; } | |
74 | UShort_t GetTriggerInputsMask() const | |
75 | { return fTriggerMask; } | |
76 | ||
77 | void CalculateChargeForCentrTriggers(AliVZEROTriggerData *triggerData, | |
78 | UShort_t &chargeA, UShort_t &chargeC) const; | |
79 | ||
80 | // Getter of Offline Channel number as used in aliroot (defined by aliroot | |
81 | // numbering convention) from FEE channel (electronic channel number given | |
82 | // by the V0 electronics readout) - See comment above - | |
83 | ||
84 | Int_t GetOfflineChannel(Int_t channel) const | |
85 | { Int_t fOfflineChannel[64] = {39, 38, 37, 36, 35, 34, 33, 32, | |
86 | 47, 46, 45, 44, 43, 42, 41, 40, | |
87 | 55, 54, 53, 52, 51, 50, 49, 48, | |
88 | 63, 62, 61, 60, 59, 58, 57, 56, | |
89 | 7, 6, 5, 4, 3, 2, 1, 0, | |
90 | 15, 14, 13, 12, 11, 10, 9, 8, | |
91 | 23, 22, 21, 20, 19, 18, 17, 16, | |
92 | 31, 30, 29, 28, 27, 26, 25, 24}; | |
93 | return fOfflineChannel[channel]; } | |
94 | ||
95 | enum EVZERORawDataParams { | |
96 | kNChannels = 64, // number of electronic channels in V0 (FEE numbering) | |
97 | kNEvOfInt = 21, // number of events of interest | |
98 | kNScalers = 16, // number of scalers | |
99 | kNBunches = 10 // number of bunches used in Minimum Bias information | |
100 | }; | |
101 | ||
102 | enum EVZERORawStreamError { | |
103 | kRawDataSizeErr = 1 | |
104 | }; | |
105 | ||
106 | private: | |
107 | ||
108 | AliVZERORawStream(const AliVZERORawStream& stream); | |
109 | AliVZERORawStream& operator = (const AliVZERORawStream& stream); | |
110 | ||
111 | UInt_t GetNextWord(); | |
112 | UShort_t GetNextShort(); | |
113 | ||
114 | ULong64_t fBBScalers[kNChannels]; // 'Beam-Beam' scalers for all channels | |
115 | ULong64_t fBGScalers[kNChannels]; // 'Beam-Gas' scalers for all channels | |
116 | UInt_t fScalers[kNScalers]; // Trigger scalers | |
117 | UInt_t fBunchNumbers[kNBunches]; // Bunch numbers for the previous 10 MB events | |
118 | UShort_t fChargeMB[kNChannels][kNBunches]; // ADC counts for all channels for the previous 10 MB events | |
119 | Bool_t fIsIntMB[kNChannels][kNBunches]; // 'Integrator' flag for all channels for the previous 10 MB events | |
120 | Bool_t fIsBBMB[kNChannels][kNBunches]; // 'Beam-Beam' flag for all channels for the previous 10 MB events | |
121 | Bool_t fIsBGMB[kNChannels][kNBunches]; // 'Beam-Gas' for all channels for the previous 10 MB events | |
122 | ||
123 | Short_t fADC[kNChannels][kNEvOfInt]; // ADC counts for all channels and all events of interest | |
124 | Bool_t fIsInt[kNChannels][kNEvOfInt]; // 'Integrator' flag for all channels | |
125 | Bool_t fIsBB[kNChannels][kNEvOfInt]; // 'Beam-Beam' flag for all channels | |
126 | Bool_t fIsBG[kNChannels][kNEvOfInt]; // 'Beam-Gas' flag for all channels | |
127 | Short_t fTime[kNChannels]; // leading time for all channels - from HPTDC - in HPTDC units | |
128 | Short_t fWidth[kNChannels]; // pulse width for all channels - from HPTDC - in HPTDC units | |
129 | ||
130 | UShort_t fTrigger; // VZERO trigger inputs | |
131 | UShort_t fTriggerMask; // VZERO trigger inputs mask | |
132 | ||
133 | Int_t fPosition; // current position in the raw-data payload | |
134 | ||
135 | ||
136 | AliRawReader* fRawReader; // object for reading the raw data | |
137 | ||
138 | UChar_t* fData; // pointer to raw data payload | |
139 | ||
140 | ClassDef(AliVZERORawStream, 0) // class for reading VZERO DDL raw data | |
141 | }; | |
142 | ||
143 | #endif |