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 */
8 ///////////////////////////////////////////////////////////////////////////////
10 // This class provides access to TRD digits in raw data. //
12 ///////////////////////////////////////////////////////////////////////////////
18 class AliTRDdigitsManager;
20 class AliTRDRawStreamV2: public TObject {
25 AliTRDRawStreamV2(AliRawReader *rawReader);
26 virtual ~AliTRDRawStreamV2();
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
32 enum { kDDLOffset = 0x400 }; // Offset for DDL numbers
34 Bool_t SetRawVersion(Int_t rv);
35 Int_t GetRawVersion() const { return fRawVersion; };
36 void SetRawReader(AliRawReader *rawReader);
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; };
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; };
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 ); };
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
77 AliTRDgeometry *fGeo; // TRD geometry
79 Bool_t DecodeGTUlinkMask();
80 Bool_t DecodeNextRawWord();
84 inline void ChangeStatus(Int_t kstat);
86 /* fLastStatus = fNextStatus; */
87 /* fNextStatus = kstat; */
90 void DecodeHCheader(Int_t timeBins = 0);
91 void DecodeMCMheader();
92 void DecodeTracklet();
94 void SetRawDigitThreshold (Int_t ith)
95 { fRawDigitThreshold = ith; } // Set the naive zero suppression threshold
97 Int_t NextData(); // Get the next piece of memory
98 Int_t ChannelsToRead(Int_t ADCmask); // Get the active ADC channels from the mask (V3 and 2)
113 static const UInt_t fgkEndoftrackletmarker = 0xAAAAAAAA; // This marks the end of tracklet data words
114 static const UInt_t fgkEndofrawdatamarker = 0x00000000; // This marks the end of half-chamber-data
115 static const UInt_t fgkSizeWord = sizeof(UInt_t); // Size of a word in bytes
119 Int_t fSig[3]; // Signals in the three time bins from Data Word
120 Int_t fADC; // MCM ADC channel and Time Bin of word 1
121 Int_t fTB; // MCM ADC channel and Time Bin of word 1
122 Int_t fEv; // MCM Event number and position of current MCM on TRD chamber
123 Int_t fROB; // MCM Event number and position of current MCM on TRD chamber
124 Int_t fMCM; // MCM Event number and position of current MCM on TRD chamber
125 Int_t fSM; // Position of CURRENT half chamber in full TRD
126 Int_t fLAYER; // Position of CURRENT half chamber in full TRD
127 Int_t fSTACK; // Position of CURRENT half chamber in full TRD
128 Int_t fROC; // Position of CURRENT half chamber in full TRD
129 Int_t fSIDE; // Position of CURRENT half chamber in full TRD
130 Int_t fDCS; // DCS board number read from data (HC header)
131 Int_t fROW; // Detector Row coordinates
132 Int_t fCOL; // Detector Pad coordinates
133 Int_t fDET; // Current detector - version > 1
134 Int_t fLastDET; // Previous detector - version > 1
136 Int_t fBCctr; // Counters from HC header (>=V2)
137 Int_t fPTctr; // Counters from HC header (>=V2)
138 Int_t fPTphase; // Counters from HC header (>=V2)
139 Int_t fRVmajor; // Raw version numbers and number of additional HC headerwords (>=V2)
140 Int_t fRVminor; // Raw version numbers and number of additional HC headerwords (>=V2)
141 Int_t fHCHWords; // Raw version numbers and number of additional HC headerwords (>=V2)
142 Int_t fTBins; // Number of time bins read from HC header (>=V2)
143 Bool_t fTCon; // Filter settings read from HC header (>=V2)
144 Bool_t fPEDon; // Filter settings read from HC header (>=V2)
145 Bool_t fGAINon; // Filter settings read from HC header (>=V2)
146 Bool_t fXTon; // Filter settings read from HC header (>=V2)
147 Bool_t fNonLinOn; // Filter settings read from HC header (>=V2)
148 Bool_t fBypass; // Filter settings read from HC header (>=V2)
149 Int_t fCommonAdditive; // Common baseline additive read from HC header (>=V2)
151 Bool_t fZeroSuppressed; // Data is zero suppressed
153 Int_t fHCHctr1; // HC and MCM Header counter
154 Int_t fHCHctr2; // HC and MCM Header counter
155 Int_t fMCMHctr1; // HC and MCM Header counter
156 Int_t fMCMHctr2; // HC and MCM Header counter
157 Int_t fGTUctr1; // GTU LinkMask Counter
158 Int_t fGTUctr2; // GTU LinkMask Counter
159 Int_t fHCdataCtr; // Data Counter for half chamber
161 Float_t fTracklPID; // Tracklet parameters
162 Float_t fTracklDefL; // Tracklet parameters
163 Float_t fTracklPadPos; // Tracklet parameters
164 Int_t fTracklPadRow; // Tracklet parameters
166 UShort_t fGTUlinkMask[18][5]; // Mask with active links
168 Int_t fMCMWordCrt; // Word Counter for a single MCM
169 Int_t fMCMWordsExpected; // Expected Words from MCM
171 AliTRDRawStreamV2(const AliTRDRawStreamV2 &stream);
172 AliTRDRawStreamV2 &operator=(const AliTRDRawStreamV2 &stream);
174 AliRawReader *fRawReader; // Object for reading the raw data
176 Int_t fRawVersion; // Which version of raw data decoding is used
177 Int_t fRawDigitThreshold; // Naive "zero"(threshold) supression. Usefull for Raw Data ver 2.
179 Int_t fNextStatus; // Navigation in raw versions > 1
180 Int_t fLastStatus; // Navigation in raw versions > 1
181 UInt_t fTbSwitch; // Time Bin Switch for internal use
182 UInt_t fTbSwitchCtr; // Counter for internal use
183 UInt_t fTimeWords; // Number of Words needed to store the data of 1 ADC ch.
184 UInt_t fWordCtr; // Word Counter
186 Int_t fRowMax; // Maximum number of pad rows and columns
187 Int_t fColMax; // Maximum number of pad rows and columns
189 Bool_t fADCmask[21]; // Mask of active ADCs for zero suppression
190 UInt_t fLastADCmask; // Last ADC read out
192 UShort_t fChamberDone[540]; // Chamber was processed already (1=1HC, 2=full chamber)
194 Int_t fRetVal; // Datadecode return
195 Int_t fEqID; // Equipment id
196 UInt_t fDataSize; // Size of the data available in the current buffer
197 Bool_t fSizeOK; // Did we read anything
198 UInt_t fCountBytes; // Bytes traversed in the buffer
199 UInt_t fBufSize; // Size of the current RawReader buffer
200 Bool_t fkBufferSet; // Is the RawReader buffer available
201 UChar_t *fPos; // Position in the buffer of the RawReader
202 UInt_t *fDataWord; // The pointer to the current 32 bit data word
203 UInt_t fTimeBinsCalib; // N of time bins retrieved from calibration
205 Int_t fADClookup[32]; // Lookup for version 3 (1[entries]+1[index]+30[fADC channels] = 32)
206 Int_t fNActiveADCs; // Number of active ADC channels
207 Bool_t fEndOfDataFlag; // End of data flag
209 enum ETRDzRawStreamError {
210 kHCWordMissing = 1 //
211 ,kMCMADCMaskMissing = 2 //
212 ,kWrongMCMorROB = 3 //
213 ,kGTULinkMaskMissing = 4 //
214 ,kHCHeaderCorrupt = 5 //
215 ,kHCHeaderMissing = 6 //
216 ,kROBSideMismatch = 7 //
218 ,kWrongPadcolumn = 9 //
219 ,kTrackletRowMismatch = 10 //
220 ,kDataMaskError = 11 //
221 ,kADCNumberOverflow = 12 //
222 ,kADCChannelOverflow = 13 //
225 ClassDef(AliTRDRawStreamV2,1) // Class for reading TRD raw digits