]> git.uio.no Git - u/mrichter/AliRoot.git/blame - TRD/AliTRDRawStreamV2.h
git://git.uio.no / u / mrichter / AliRoot.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
Latest version of zero suppressed raw data by Ken and Mateusz
[u/mrichter/AliRoot.git] / TRD / AliTRDRawStreamV2.h
CommitLineData
ecf39416 1#ifndef ALITRDRAWSTREAMV2_H
2#define ALITRDRAWSTREAMV2_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///////////////////////////////////////////////////////////////////////////////
9// //
10// This class provides access to TRD digits in raw data. //
11// //
12///////////////////////////////////////////////////////////////////////////////
13
14#include <TObject.h>
15
16class AliTRDgeometry;
17class AliRawReader;
18class AliTRDdigitsManager;
19
20class AliTRDRawStreamV2: public TObject {
21
22 public :
23
24 AliTRDRawStreamV2();
25 AliTRDRawStreamV2(AliRawReader *rawReader);
26 virtual ~AliTRDRawStreamV2();
27
28 virtual Bool_t Next(); // Read the next data
29 virtual Int_t NextChamber(AliTRDdigitsManager *man); // read next chamber data
30 virtual Int_t Init(); // Init for the fRawVersion > 1
31
32 enum { kDDLOffset = 0x400 }; // Offset for DDL numbers
33
34 Bool_t SetRawVersion(Int_t rv);
35 Int_t GetRawVersion() const { return fRawVersion; };
36 void SetRawReader(AliRawReader *rawReader);
37
38 // Get Filter settings (does not make a lot of sense):
39 Int_t TRAPfilterTCon() const { return fTCon; };
40 Int_t TRAPfilterPEDon() const { return fPEDon; };
41 Int_t TRAPfilterGAINon() const { return fGAINon; };
42 Int_t TRAPsendsUnfilteredData() const { return fBypass; };
43
44 // Get Tracklet parameters (does not make a lot of sense):
45 Float_t GetTrackletPID() const { return fTracklPID; };
46 Float_t GetTrackletDeflLength() const { return fTracklDefL; };
47 Float_t GetTrackletPadPos() const { return fTracklPadPos; };
48 Int_t GetTrackletPadRow() const { return fTracklPadRow; };
49
50 // Check if the link has optical power (HC sends data)
51 Bool_t IsGTULinkActive(Int_t sm, Int_t la, Int_t sta, Int_t side)
52 { return ( ((fGTUlinkMask[sm][sta]) >> (2*la+side)) & 0x1 ); };
53
54 Int_t *GetSignals() { return fSig;} // Signals in the three time bins from Data Word
55 Int_t GetADC() const { return fADC;} // MCM ADC channel and Time Bin of word 1
56 Int_t GetTimeBin() const { return fTB - 3;} // MCM ADC channel and Time Bin of word 1
57 Int_t GetEventNumber() const { return fEv;} // MCM Event number and position of current MCM on TRD chamber
58 Int_t GetROB() const { return fROB;} // MCM Event number and position of current MCM on TRD chamber
59 Int_t GetMCM() const { return fMCM;} // MCM Event number and position of current MCM on TRD chamber
60 Int_t GetSM() const { return fSM;} // Position of CURRENT half chamber in full TRD
61 Int_t GetLayer() const { return fLAYER;} // PLANE = Position of CURRENT half chamber in full TRD
62 Int_t GetStack() const { return fSTACK;} // CHAMBER = Position of CURRENT half chamber in full TRD
63 Int_t GetROC() const { return fROC;} // Position of CURRENT half chamber in full TRD
64 Int_t GetSide() const { return fSIDE;} // Position of CURRENT half chamber in full TRD
65 Int_t GetDCS() const { return fDCS;} // DCS board number read from data (HC header)
66 Int_t GetRow() const { return fROW;}
67 Int_t GetCol() const { return fCOL;} // Detector Pad coordinates
68 Int_t GetDet() const { return fDET;} // helper
69 Int_t GetLastDet() const { return fLastDET;} // helper
70 Int_t GetMaxRow() const { return fRowMax;}
71 Int_t GetMaxCol() const { return fColMax;}
72 Int_t GetNumberOfTimeBins() const {return fTBins;}
73
74 private :
75
76 Int_t fSig[3]; // Signals in the three time bins from Data Word
77 Int_t fADC; // MCM ADC channel and Time Bin of word 1
78 Int_t fTB; // MCM ADC channel and Time Bin of word 1
79 Int_t fEv; // MCM Event number and position of current MCM on TRD chamber
80 Int_t fROB; // MCM Event number and position of current MCM on TRD chamber
81 Int_t fMCM; // MCM Event number and position of current MCM on TRD chamber
82 Int_t fSM; // Position of CURRENT half chamber in full TRD
83 Int_t fLAYER; // Position of CURRENT half chamber in full TRD
84 Int_t fSTACK; // Position of CURRENT half chamber in full TRD
85 Int_t fROC; // Position of CURRENT half chamber in full TRD
86 Int_t fSIDE; // Position of CURRENT half chamber in full TRD
87 Int_t fDCS; // DCS board number read from data (HC header)
88 Int_t fROW; // Detector Row coordinates
89 Int_t fCOL; // Detector Pad coordinates
90 Int_t fDET; // Current detector - version > 1
91 Int_t fLastDET; // Previous detector - version > 1
92
93 Int_t fBCctr; // Counters from HC header (>=V2)
94 Int_t fPTctr; // Counters from HC header (>=V2)
95 Int_t fPTphase; // Counters from HC header (>=V2)
96 Int_t fRVmajor; // Raw version numbers and number of additional HC headerwords (>=V2)
97 Int_t fRVminor; // Raw version numbers and number of additional HC headerwords (>=V2)
98 Int_t fHCHWords; // Raw version numbers and number of additional HC headerwords (>=V2)
99 Int_t fTBins; // Number of time bins read from HC header (>=V2)
100 Bool_t fTCon; // Filter settings read from HC header (>=V2)
101 Bool_t fPEDon; // Filter settings read from HC header (>=V2)
102 Bool_t fGAINon; // Filter settings read from HC header (>=V2)
103 Bool_t fXTon; // Filter settings read from HC header (>=V2)
104 Bool_t fNonLinOn; // Filter settings read from HC header (>=V2)
105 Bool_t fBypass; // Filter settings read from HC header (>=V2)
106 Int_t fCommonAdditive; // Common baseline additive read from HC header (>=V2)
107
108 Bool_t fZeroSuppressed; // Data is zero suppressed
109
110 Int_t fHCHctr1; // HC and MCM Header counter
111 Int_t fHCHctr2; // HC and MCM Header counter
112 Int_t fMCMHctr1; // HC and MCM Header counter
113 Int_t fMCMHctr2; // HC and MCM Header counter
114 Int_t fGTUctr1; // GTU LinkMask Counter
115 Int_t fGTUctr2; // GTU LinkMask Counter
116 Int_t fHCdataCtr; // Data Counter for half chamber
117
118 Float_t fTracklPID; // Tracklet parameters
119 Float_t fTracklDefL; // Tracklet parameters
120 Float_t fTracklPadPos; // Tracklet parameters
121 Int_t fTracklPadRow; // Tracklet parameters
122
123 UShort_t fGTUlinkMask[18][5]; // Mask with active links
124
125 Int_t fMCMWordCrt; // Word Counter for a single MCM
126 Int_t fMCMWordsExpected; // Expected Words from MCM
127
128 AliTRDRawStreamV2(const AliTRDRawStreamV2 &stream);
129 AliTRDRawStreamV2 &operator=(const AliTRDRawStreamV2 &stream);
130
131 AliRawReader *fRawReader; // Object for reading the raw data
132
133 Int_t fRawVersion; // Which version of raw data decoding is used
134 Int_t fRawDigitThreshold; // Naive "zero"(threshold) supression. Usefull for Raw Data ver 2.
135
136 Int_t fNextStatus; // Navigation in raw versions > 1
137 Int_t fLastStatus; // Navigation in raw versions > 1
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
142
143 Int_t fRowMax; // Maximum number of pad rows and columns
144 Int_t fColMax; // Maximum number of pad rows and columns
145
146 Bool_t fADCmask[21]; // Mask of active ADCs for zero suppression
147 UInt_t fLastADCmask; // Last ADC read out
148
149 UShort_t fChamberDone[540]; // Chamber was processed already (1=1HC, 2=full chamber)
150
151 Int_t fRetVal; // Datadecode return
152 Int_t fEqID; // Equipment id
153 UInt_t fDataSize; // Size of the data available in the current buffer
154 Bool_t fSizeOK; // Did we read anything
155 UInt_t fCountBytes; // Bytes traversed in the buffer
156 UInt_t fBufSize; // Size of the current RawReader buffer
157 Bool_t fkBufferSet; // Is the RawReader buffer available
158 UChar_t *fPos; // Position in the buffer of the RawReader
159 UInt_t *fDataWord; // The pointer to the current 32 bit data word
160 UInt_t fTimeBinsCalib; // N of time bins retrieved from calibration
161
162 Int_t fADClookup[32]; // Lookup for version 3 (1[entries]+1[index]+30[fADC channels] = 32)
163 Int_t fNActiveADCs; // Number of active ADC channels
164 Bool_t fEndOfDataFlag; // End of data flag
165
166 enum ETRDzRawStreamError {
167 kHCWordMissing = 1 //
168 ,kMCMADCMaskMissing = 2 //
169 ,kWrongMCMorROB = 3 //
170 ,kGTULinkMaskMissing = 4 //
171 ,kHCHeaderCorrupt = 5 //
172 ,kHCHeaderMissing = 6 //
173 ,kROBSideMismatch = 7 //
174 ,kWrongPadrow = 8 //
175 ,kWrongPadcolumn = 9 //
176 ,kTrackletRowMismatch = 10 //
177 ,kDataMaskError = 11 //
178 ,kADCNumberOverflow = 12 //
179 ,kADCChannelOverflow = 13 //
180 };
181
182 protected:
183
184 AliTRDgeometry *fGeo; // TRD geometry
185
186 Bool_t DecodeGTUlinkMask();
187 Bool_t DecodeNextRawWord();
188 Bool_t DecodeMCM();
189 Bool_t DecodeHC();
190 Bool_t DecodeSM();
191 inline void ChangeStatus(Int_t kstat);
192/* { */
193/* fLastStatus = fNextStatus; */
194/* fNextStatus = kstat; */
195/* } */
196
197 void DecodeHCheader(Int_t timeBins = 0);
198 void DecodeMCMheader();
199 void DecodeTracklet();
200
201 void SetRawDigitThreshold (Int_t ith) {fRawDigitThreshold = ith;} // set the naive zero suppression threshold
202
203 Int_t NextData(); // get the next piece of memory
204
205 Int_t ChannelsToRead(Int_t ADCmask); // Get the active ADC channels from the mask (V3 and 2)
206
207 enum { fkStart, fkStop, fkWordOK, fkNoMoreData, fkNextSM, fkNextHC, fkSeekNonEoTracklet, fkDecodeHC, fkNextMCM, fkNextData, fkReading};
208
209 // Some constants:
210 static const UInt_t kEndoftrackletmarker = 0xAAAAAAAA; /*This marks the end of tracklet data words*/
211 static const UInt_t kEndofrawdatamarker = 0x00000000; /*This marks the end of half-chamber-data*/
212 static const UInt_t kSizeWord = sizeof(UInt_t); // size of a word in bytes
213
214 ClassDef(AliTRDRawStreamV2, 1) // Class for reading TRD raw digits
215
216};
217#endif