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First implementation of neural network PID
[u/mrichter/AliRoot.git] / TRD / AliTRDRawStream.h
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b864d801 1#ifndef ALITRDRAWSTREAM_H
2#define ALITRDRAWSTREAM_H
3/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
5
6/* $Id$ */
7
8///////////////////////////////////////////////////////////////////////////////
2745a409 9// //
10// This class provides access to TRD digits in raw data. //
11// //
b864d801 12///////////////////////////////////////////////////////////////////////////////
13
14#include <TObject.h>
15
7925de54 16class AliTRDgeometry;
b864d801 17class AliRawReader;
ca21baaa 18class AliTRDdigitsManager;
7925de54 19
20// Some constants:
bd63bf88 21const UInt_t kEndoftrackletmarker = 0xAAAAAAAA; /*This marks the end of tracklet data words*/
22const UInt_t kEndofrawdatamarker = 0x00000000; /*This marks the end of half-chamber-data*/
50378239 23const UInt_t kSizeWord = sizeof(UInt_t);
b864d801 24
25class AliTRDRawStream: public TObject {
2745a409 26
b864d801 27 public :
2745a409 28
29 AliTRDRawStream();
7925de54 30 AliTRDRawStream(AliRawReader *rawReader);
b864d801 31 virtual ~AliTRDRawStream();
32
50378239 33 virtual Bool_t Next(); // Read the next data
ca21baaa 34 virtual Int_t NextChamber(AliTRDdigitsManager *man); // read next chamber data
50378239 35 virtual Int_t Init(); // Init for the fRawVersion > 1
7925de54 36
37 enum { kDDLOffset = 0x400 }; // Offset for DDL numbers
38
7925de54 39 Bool_t SetRawVersion(Int_t rv);
40 Int_t GetRawVersion() const { return fRawVersion; };
50378239 41 void SetRawReader(AliRawReader *rawReader);
7925de54 42
bd63bf88 43 // Get Filter settings (does not make a lot of sense):
41235089 44 Int_t TRAPfilterTCon() const { return fTCon; };
45 Int_t TRAPfilterPEDon() const { return fPEDon; };
46 Int_t TRAPfilterGAINon() const { return fGAINon; };
bd63bf88 47 Int_t TRAPsendsUnfilteredData() const { return fBypass; };
41235089 48
bd63bf88 49 // Get Tracklet parameters (does not make a lot of sense):
41235089 50 Float_t GetTrackletPID() const { return fTracklPID; };
51 Float_t GetTrackletDeflLength() const { return fTracklDefL; };
52 Float_t GetTrackletPadPos() const { return fTracklPadPos; };
bd63bf88 53 Int_t GetTrackletPadRow() const { return fTracklPadRow; };
41235089 54
7925de54 55 // Check if the link has optical power (HC sends data)
56 Bool_t IsGTULinkActive(Int_t sm, Int_t la, Int_t sta, Int_t side)
41235089 57 { return ( ((fGTUlinkMask[sm][sta]) >> (2*la+side)) & 0x1 ); };
58
50378239 59 Int_t *GetSignals() { return fSig;} // Signals in the three time bins from Data Word
60 Int_t GetADC() const { return fADC;} // MCM ADC channel and Time Bin of word 1
61 Int_t GetTimeBin() const { return fTB - 3;} // MCM ADC channel and Time Bin of word 1
62 Int_t GetEventNumber() const { return fEv;} // MCM Event number and position of current MCM on TRD chamber
63 Int_t GetROB() const { return fROB;} // MCM Event number and position of current MCM on TRD chamber
64 Int_t GetMCM() const { return fMCM;} // MCM Event number and position of current MCM on TRD chamber
65 Int_t GetSM() const { return fSM;} // Position of CURRENT half chamber in full TRD
66 Int_t GetLayer() const { return fLAYER;} // PLANE = Position of CURRENT half chamber in full TRD
67 Int_t GetStack() const { return fSTACK;} // CHAMBER = Position of CURRENT half chamber in full TRD
68 Int_t GetROC() const { return fROC;} // Position of CURRENT half chamber in full TRD
69 Int_t GetSide() const { return fSIDE;} // Position of CURRENT half chamber in full TRD
70 Int_t GetDCS() const { return fDCS;} // DCS board number read from data (HC header)
71 Int_t GetRow() const { return fROW;}
72 Int_t GetCol() const { return fCOL;} // Detector Pad coordinates
73 Int_t GetDet() const { return fDET;} // helper
ca21baaa 74 Int_t GetLastDet() const { return fLastDET;} // helper
50378239 75 Int_t GetMaxRow() const { return fRowMax;}
76 Int_t GetMaxCol() const { return fColMax;}
77 Int_t GetNumberOfTimeBins() const {return fTBins;}
7925de54 78
41235089 79 private :
7925de54 80
81 Int_t fSig[3]; // Signals in the three time bins from Data Word
82 Int_t fADC; // MCM ADC channel and Time Bin of word 1
83 Int_t fTB; // MCM ADC channel and Time Bin of word 1
84 Int_t fEv; // MCM Event number and position of current MCM on TRD chamber
85 Int_t fROB; // MCM Event number and position of current MCM on TRD chamber
86 Int_t fMCM; // MCM Event number and position of current MCM on TRD chamber
87 Int_t fSM; // Position of CURRENT half chamber in full TRD
88 Int_t fLAYER; // Position of CURRENT half chamber in full TRD
89 Int_t fSTACK; // Position of CURRENT half chamber in full TRD
90 Int_t fROC; // Position of CURRENT half chamber in full TRD
91 Int_t fSIDE; // Position of CURRENT half chamber in full TRD
92 Int_t fDCS; // DCS board number read from data (HC header)
50378239 93 Int_t fROW; // Detector Row coordinates
7925de54 94 Int_t fCOL; // Detector Pad coordinates
50378239 95 Int_t fDET; // Current detector - version > 1
ca21baaa 96 Int_t fLastDET; // Previous detector - version > 1
7925de54 97
98 Int_t fBCctr; // Counters from HC header (>=V2)
99 Int_t fPTctr; // Counters from HC header (>=V2)
100 Int_t fPTphase; // Counters from HC header (>=V2)
101 Int_t fRVmajor; // Raw version numbers and number of additional HC headerwords (>=V2)
102 Int_t fRVminor; // Raw version numbers and number of additional HC headerwords (>=V2)
103 Int_t fHCHWords; // Raw version numbers and number of additional HC headerwords (>=V2)
104 Int_t fTBins; // Number of time bins read from HC header (>=V2)
bd63bf88 105 Bool_t fTCon; // Filter settings read from HC header (>=V2)
106 Bool_t fPEDon; // Filter settings read from HC header (>=V2)
107 Bool_t fGAINon; // Filter settings read from HC header (>=V2)
108 Bool_t fXTon; // Filter settings read from HC header (>=V2)
109 Bool_t fNonLinOn; // Filter settings read from HC header (>=V2)
110 Bool_t fBypass; // Filter settings read from HC header (>=V2)
111 Int_t fCommonAdditive; // Common baseline additive read from HC header (>=V2)
112
113 Bool_t fZeroSuppressed; // Data is zero suppressed
7925de54 114
115 Int_t fHCHctr1; // HC and MCM Header counter
116 Int_t fHCHctr2; // HC and MCM Header counter
117 Int_t fMCMHctr1; // HC and MCM Header counter
118 Int_t fMCMHctr2; // HC and MCM Header counter
119 Int_t fGTUctr1; // GTU LinkMask Counter
120 Int_t fGTUctr2; // GTU LinkMask Counter
bd63bf88 121 Int_t fHCdataCtr; // Data Counter for half chamber
7925de54 122
123 Float_t fTracklPID; // Tracklet parameters
124 Float_t fTracklDefL; // Tracklet parameters
125 Float_t fTracklPadPos; // Tracklet parameters
126 Int_t fTracklPadRow; // Tracklet parameters
127
128 UShort_t fGTUlinkMask[18][5]; // Mask with active links
b864d801 129
2745a409 130 AliTRDRawStream(const AliTRDRawStream &stream);
131 AliTRDRawStream &operator=(const AliTRDRawStream &stream);
132
7925de54 133 AliRawReader *fRawReader; // Object for reading the raw data
2745a409 134
7925de54 135 Int_t fRawVersion; // Which version of raw data decoding is used
50378239 136
137 Int_t fNextStatus; // Navigation in raw versions > 1
bd63bf88 138 UInt_t fTbSwitch; // Time Bin Switch for internal use
139 UInt_t fTbSwitchCtr; // Counter for internal use
140 UInt_t fTimeWords; // Number of Words needed to store the data of 1 ADC ch.
141 UInt_t fWordCtr; // Word Counter
b864d801 142
7925de54 143 Int_t fRowMax; // Maximum number of pad rows and columns
144 Int_t fColMax; // Maximum number of pad rows and columns
bd63bf88 145
146 Bool_t fADCmask[21]; // Mask of active ADCs for zero suppression
147 UShort_t fChamberDone[540]; // Chamber was processed already (1=1HC, 2=full chamber)
b864d801 148
f162af62 149 Int_t fRetVal; // Datadecode return
150 Int_t fEqID; // Equipment id
151 UInt_t fDataSize; // Size of the data available in the current buffer
152 Bool_t fSizeOK; // Did we read anything
50378239 153 UInt_t fCountBytes; // Bytes traversed in the buffer
154 UInt_t fBufSize; // Size of the current RawReader buffer
155 Bool_t fkBufferSet; // Is the RawReader buffer available
f162af62 156 UChar_t *fPos; // Position in the buffer of the RawReader
157 UInt_t *fDataWord; // The pointer to the current 32 bit data word
50378239 158 UInt_t fTimeBinsCalib; // N of time bins retrieved from calibration
159
160 enum ETRDzRawStreamError {
161 kHCWordMissing = 1 //
162 ,kMCMADCMaskMissing = 2 //
163 ,kWrongMCMorROB = 3 //
164 ,kGTULinkMaskMissing = 4 //
165 ,kHCHeaderCorrupt = 5 //
166 ,kHCHeaderMissing = 6 //
167 ,kROBSideMismatch = 7 //
168 ,kWrongPadrow = 8 //
169 ,kWrongPadcolumn = 9 //
170 ,kTrackletRowMismatch = 10 //
171 ,kDataMaskError = 11 //
172 ,kADCNumberOverflow = 12 //
173 ,kADCChannelOverflow = 13 //
174 };
175
7925de54 176 protected:
177
178 AliTRDgeometry *fGeo; // TRD geometry
179
7925de54 180 void DecodeHCheader(Int_t timeBins);
7925de54 181 void DecodeMCMheader();
7925de54 182 void DecodeTracklet();
7925de54 183 void DecodeGTUlinkMask();
bd63bf88 184 Int_t DecodeDataWord();
50378239 185 Int_t DecodeDataWordV1V2(); // Valid for fRawversion = 1, 2, ...
186 Int_t DecodeDataWordV3(); // Valid for fRawversion = 3, ...
187
188 Int_t NextData(); // get the next piece of memory
7925de54 189
50378239 190 enum { fkStart, fkStop, fkWordOK, fkNoMoreData, fkNextSM, fkNextHC, fkSeekNonEoTracklet, fkDecodeHC, fkNextMCM, fkNextData, fkReading};
191
f162af62 192 ClassDef(AliTRDRawStream, 5) // Class for reading TRD raw digits
7925de54 193
194};
b864d801 195#endif