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 */
6 ///////////////////////////////////////////////////////////////////////////////
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.
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 !!!
18 ///////////////////////////////////////////////////////////////////////////////
25 class AliVZERORawStream: public TObject {
27 AliVZERORawStream(AliRawReader* rawReader);
28 virtual ~AliVZERORawStream();
31 virtual Bool_t Next();
33 // Getters of various scalers and Minimum Bias flags :
35 ULong64_t GetBBScalers(Int_t channel) const
36 { return fBBScalers[channel]; }
37 ULong64_t GetBGScalers(Int_t channel) const
38 { return fBGScalers[channel]; }
39 UInt_t GetTriggerScalers(Int_t num_scaler) const
40 { return fScalers[num_scaler]; }
41 UInt_t GetBunchNumbersMB(Int_t num_bunch) const
42 { return fBunchNumbers[num_bunch]; }
43 UShort_t GetChargeMB(Int_t channel, Int_t num_bunch) const
44 { return fChargeMB[channel][num_bunch]; }
45 Bool_t GetIntMBFlag(Int_t channel, Int_t num_bunch) const
46 { return fIsIntMB[channel][num_bunch]; }
47 Bool_t GetBBMBFlag(Int_t channel, Int_t num_bunch) const
48 { return fIsBBMB[channel][num_bunch]; }
49 Bool_t GetBGMBFlag(Int_t channel, Int_t num_bunch) const
50 { return fIsBGMB[channel][num_bunch]; }
52 // Getters of ADC signals, ADC pedestals, time information and corresponding flags :
54 Float_t GetADC(Int_t channel) const
55 { return TMath::MaxElement(kNEvOfInt, fADC[channel]); } // maximum value instead of central clock
56 // { return fADC[channel][kNEvOfInt/2]; }
58 Float_t GetPedestal(Int_t channel, Int_t event) const
59 { return fADC[channel][event]; }
60 Bool_t GetIntegratorFlag(Int_t channel, Int_t event) const
61 { return fIsInt[channel][event]; }
62 Bool_t GetBBFlag(Int_t channel, Int_t event) const
63 { return fIsBB[channel][event]; }
64 Bool_t GetBGFlag(Int_t channel, Int_t event) const
65 { return fIsBG[channel][event]; }
66 Float_t GetTime(Int_t channel) const
67 { return fTime[channel]; }
68 Float_t GetWidth(Int_t channel) const
69 { return fWidth[channel]; }
71 UShort_t GetTriggerInputs() const
73 UShort_t GetTriggerInputsMask() const
74 { return fTriggerMask; }
76 // Getter of Offline Channel number as used in aliroot (defined by aliroot
77 // numbering convention) from FEE channel (electronic channel number given
78 // by the V0 electronics readout) - See comment above -
80 Int_t GetOfflineChannel(Int_t channel) const
81 { Int_t fOfflineChannel[64] = {39, 38, 37, 36, 35, 34, 33, 32,
82 47, 46, 45, 44, 43, 42, 41, 40,
83 55, 54, 53, 52, 51, 50, 49, 48,
84 63, 62, 61, 60, 59, 58, 57, 56,
85 7, 6, 5, 4, 3, 2, 1, 0,
86 15, 14, 13, 12, 11, 10, 9, 8,
87 23, 22, 21, 20, 19, 18, 17, 16,
88 31, 30, 29, 28, 27, 26, 25, 24};
89 return fOfflineChannel[channel]; }
91 enum EVZERORawDataParams {
92 kNChannels = 64, // number of electronic channels in V0 (FEE numbering)
93 kNEvOfInt = 21, // number of events of interest
94 kNScalers = 16, // number of scalers
95 kNBunches = 10 // number of bunches used in Minimum Bias information
98 enum EVZERORawStreamError {
104 AliVZERORawStream(const AliVZERORawStream& stream);
105 AliVZERORawStream& operator = (const AliVZERORawStream& stream);
107 UInt_t GetNextWord();
108 UShort_t GetNextShort();
110 ULong64_t fBBScalers[kNChannels]; // 'Beam-Beam' scalers for all channels
111 ULong64_t fBGScalers[kNChannels]; // 'Beam-Gas' scalers for all channels
112 UInt_t fScalers[kNScalers]; // Trigger scalers
113 UInt_t fBunchNumbers[kNBunches]; // Bunch numbers for the previous 10 MB events
114 UShort_t fChargeMB[kNChannels][kNBunches]; // ADC counts for all channels for the previous 10 MB events
115 Bool_t fIsIntMB[kNChannels][kNBunches]; // 'Integrator' flag for all channels for the previous 10 MB events
116 Bool_t fIsBBMB[kNChannels][kNBunches]; // 'Beam-Beam' flag for all channels for the previous 10 MB events
117 Bool_t fIsBGMB[kNChannels][kNBunches]; // 'Beam-Gas' for all channels for the previous 10 MB events
119 Float_t fADC[kNChannels][kNEvOfInt]; // ADC counts for all channels and all events of interest
120 Bool_t fIsInt[kNChannels][kNEvOfInt]; // 'Integrator' flag for all channels
121 Bool_t fIsBB[kNChannels][kNEvOfInt]; // 'Beam-Beam' flag for all channels
122 Bool_t fIsBG[kNChannels][kNEvOfInt]; // 'Beam-Gas' flag for all channels
123 Float_t fTime[kNChannels]; // leading time for all channels - from HPTDC - in nanoseconds
124 Float_t fWidth[kNChannels]; // pulse width for all channels - from HPTDC - in nanoseconds
126 UShort_t fTrigger; // VZERO trigger inputs
127 UShort_t fTriggerMask; // VZERO trigger inputs mask
129 Int_t fPosition; // current position in the raw-data payload
132 AliRawReader* fRawReader; // object for reading the raw data
134 UChar_t* fData; // pointer to raw data payload
136 ClassDef(AliVZERORawStream, 0) // class for reading VZERO DDL raw data