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 ///////////////////////////////////////////////////////////////////////////////
24 class AliVZEROTriggerData;
26 class AliVZERORawStream: public TObject {
28 AliVZERORawStream(AliRawReader* rawReader);
29 virtual ~AliVZERORawStream();
32 virtual Bool_t Next();
34 // Getters of various scalers and Minimum Bias flags :
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]; }
53 // Getters of ADC signals, ADC pedestals, time information and corresponding flags :
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]; }
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]; }
72 UShort_t GetTriggerInputs() const
74 UShort_t GetTriggerInputsMask() const
75 { return fTriggerMask; }
77 void CalculateChargeForCentrTriggers(AliVZEROTriggerData *triggerData,
78 UShort_t &chargeA, UShort_t &chargeC) const;
79 void CalculateBBandBGFlags(AliVZEROTriggerData *triggerData,
80 UChar_t &nBBA, UChar_t &nBBC,
81 UChar_t &nBGA, UChar_t &nBGC) const;
82 void FillTriggerBits(AliVZEROTriggerData *triggerData);
84 // Getter of Offline Channel number as used in aliroot (defined by aliroot
85 // numbering convention) from FEE channel (electronic channel number given
86 // by the V0 electronics readout) - See comment above -
88 Int_t GetOfflineChannel(Int_t channel) const
89 { Int_t fOfflineChannel[64] = {39, 38, 37, 36, 35, 34, 33, 32,
90 47, 46, 45, 44, 43, 42, 41, 40,
91 55, 54, 53, 52, 51, 50, 49, 48,
92 63, 62, 61, 60, 59, 58, 57, 56,
93 7, 6, 5, 4, 3, 2, 1, 0,
94 15, 14, 13, 12, 11, 10, 9, 8,
95 23, 22, 21, 20, 19, 18, 17, 16,
96 31, 30, 29, 28, 27, 26, 25, 24};
97 return fOfflineChannel[channel]; }
99 enum EVZERORawDataParams {
100 kNChannels = 64, // number of electronic channels in V0 (FEE numbering)
101 kNEvOfInt = 21, // number of events of interest
102 kNScalers = 16, // number of scalers
103 kNBunches = 10 // number of bunches used in Minimum Bias information
106 enum EVZERORawStreamError {
112 AliVZERORawStream(const AliVZERORawStream& stream);
113 AliVZERORawStream& operator = (const AliVZERORawStream& stream);
115 UInt_t GetNextWord();
116 UShort_t GetNextShort();
118 ULong64_t fBBScalers[kNChannels]; // 'Beam-Beam' scalers for all channels
119 ULong64_t fBGScalers[kNChannels]; // 'Beam-Gas' scalers for all channels
120 UInt_t fScalers[kNScalers]; // Trigger scalers
121 UInt_t fBunchNumbers[kNBunches]; // Bunch numbers for the previous 10 MB events
122 UShort_t fChargeMB[kNChannels][kNBunches]; // ADC counts for all channels for the previous 10 MB events
123 Bool_t fIsIntMB[kNChannels][kNBunches]; // 'Integrator' flag for all channels for the previous 10 MB events
124 Bool_t fIsBBMB[kNChannels][kNBunches]; // 'Beam-Beam' flag for all channels for the previous 10 MB events
125 Bool_t fIsBGMB[kNChannels][kNBunches]; // 'Beam-Gas' for all channels for the previous 10 MB events
127 Short_t fADC[kNChannels][kNEvOfInt]; // ADC counts for all channels and all events of interest
128 Bool_t fIsInt[kNChannels][kNEvOfInt]; // 'Integrator' flag for all channels
129 Bool_t fIsBB[kNChannels][kNEvOfInt]; // 'Beam-Beam' flag for all channels
130 Bool_t fIsBG[kNChannels][kNEvOfInt]; // 'Beam-Gas' flag for all channels
131 Short_t fTime[kNChannels]; // leading time for all channels - from HPTDC - in HPTDC units
132 Short_t fWidth[kNChannels]; // pulse width for all channels - from HPTDC - in HPTDC units
134 UShort_t fTrigger; // VZERO trigger inputs
135 UShort_t fTriggerMask; // VZERO trigger inputs mask
137 Int_t fPosition; // current position in the raw-data payload
140 AliRawReader* fRawReader; // object for reading the raw data
142 UChar_t* fData; // pointer to raw data payload
144 ClassDef(AliVZERORawStream, 0) // class for reading VZERO DDL raw data