1 #ifndef ALIITSRAWSTREAMSPD_H
2 #define ALIITSRAWSTREAMSPD_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 ITS SPD digits in raw data.
12 ///////////////////////////////////////////////////////////////////////////////
14 #include "AliRawReader.h"
15 #include "AliITSRawStream.h"
16 #include "AliITSRawStreamSPDErrorLog.h"
18 class AliITSRawStreamSPD: public AliITSRawStream {
20 AliITSRawStreamSPD(AliRawReader* rawReader);
21 AliITSRawStreamSPD(const AliITSRawStreamSPD& rstream);
22 AliITSRawStreamSPD& operator=(const AliITSRawStreamSPD& rstream);
23 virtual ~AliITSRawStreamSPD() {};
25 virtual Bool_t Next();
26 virtual Int_t ReadCalibHeader();
28 // the 2 methods below are equivalent to AliITSRawStream::GetCoord1 and GetCoord2
29 // together with the AliITSRawStream::GetModuleID these are the "offline" coordinates
30 Int_t GetColumn() const {return fCoord1;};
31 Int_t GetRow() const {return fCoord2;};
33 // together with the AliRawReader::GetDDLID() these are the "online" coordinates
34 UShort_t GetHalfStaveNr() const {return fHalfStaveNr;}
35 UShort_t GetChipAddr() const {return fChipAddr;}
36 Int_t GetChipCol() const {return fCol;};
37 Int_t GetChipRow() const {return fRow;};
40 static Int_t GetModuleNumber(UInt_t iDDL, UInt_t iModule);
41 static Int_t GetModuleNumber(UInt_t iDDL, UInt_t iHS, UInt_t iChip)
42 {return GetOfflineModuleFromOnline(iDDL,iHS,iChip);}
44 // coordinate conversions:
45 static Bool_t OfflineToOnline(UInt_t module, UInt_t colM, UInt_t RowM, UInt_t& eq, UInt_t& hs, UInt_t& chip, UInt_t& col, UInt_t& row);
46 static Bool_t OnlineToOffline(UInt_t eq, UInt_t hs, UInt_t chip, UInt_t col, UInt_t row, UInt_t& module, UInt_t& colM, UInt_t& rowM);
47 // coordinate conversions - offline->online
48 static UInt_t GetOnlineEqIdFromOffline(UInt_t module);
49 static UInt_t GetOnlineHSFromOffline(UInt_t module);
50 static UInt_t GetOnlineChipFromOffline(UInt_t module, UInt_t colM);
51 static UInt_t GetOnlineColFromOffline(UInt_t module, UInt_t colM);
52 static UInt_t GetOnlineRowFromOffline(UInt_t module, UInt_t rowM);
53 // coordinate conversions - online->offline
54 static UInt_t GetOfflineModuleFromOnline(UInt_t eqId, UInt_t hs, UInt_t chip);
55 static UInt_t GetOfflineChipKeyFromOnline(UInt_t eqId, UInt_t hs, UInt_t chip);
56 static UInt_t GetOfflineColFromOnline(UInt_t eqId, UInt_t hs, UInt_t chip, UInt_t col);
57 static UInt_t GetOfflineRowFromOnline(UInt_t eqId, UInt_t hs, UInt_t chip, UInt_t row);
59 Bool_t GetFastOrSignal(UInt_t eq, UInt_t hs, UInt_t chip);
61 Int_t GetEventCounter() const {return fEventCounter;} // get last read event counter value
62 Short_t GetEventCounterFullEq(UInt_t eq) const;
63 Short_t GetEventCounterFullHS(UInt_t eq, UInt_t hs) const;
64 Short_t GetEventCounterFullChip(UInt_t eq, UInt_t hs, UInt_t chip) const;
65 Bool_t IsEventCounterFullConsistent() const;
67 Bool_t IsActiveEq(UInt_t eq) const;
68 Bool_t IsActiveHS(UInt_t eq, UInt_t hs) const;
69 Bool_t IsActiveChip(UInt_t eq, UInt_t hs, UInt_t chip) const;
71 Bool_t GetHalfStavePresent(UInt_t hs);
73 Int_t GetHword(UInt_t index);
74 // use the methods below to extract the information from the scan calibration header:
75 UInt_t GetHrouterNr() const {return (fCalHeadWord[0] & 0x0000003f);}
76 Bool_t GetHhalfStaveScanned(UInt_t hs) const;
77 UInt_t GetHtype() const {return (Int_t)((fCalHeadWord[1]) & 0x000000ff);}
78 Bool_t GetHdataFormat() const {return (Bool_t)(((fCalHeadWord[1]) & 0x00000100)>>8);}
79 UInt_t GetHtriggers() const {return fCalHeadWord[2];}
80 Bool_t GetHchipPresent(UInt_t hs, UInt_t chip) const;
81 UInt_t GetHdacStart() const {return ((fCalHeadWord[5]>>24) & 0x000000ff);}
82 UInt_t GetHdacEnd() const {return ((fCalHeadWord[5]>>16) & 0x000000ff);}
83 UInt_t GetHdacStep() const {return ((fCalHeadWord[5]>>8) & 0x000000ff);}
84 UInt_t GetHdacId() const {return ((fCalHeadWord[5]) & 0x000000ff);}
85 UInt_t GetHrowStart() const {return (UInt_t) ((fCalHeadWord[6]>>24) & 0x000000ff);}
86 UInt_t GetHrowEnd() const {return (UInt_t) ((fCalHeadWord[6]>>16) & 0x000000ff);}
87 UInt_t GetHrowValue() const {return (UInt_t) ((fCalHeadWord[6]>> 8) & 0x000000ff);}
88 UInt_t GetHrowSpan() const {return (UInt_t) ((fCalHeadWord[6]) & 0x000000ff);}
89 UInt_t GetHdacValue() const {return (Int_t) ((fCalHeadWord[6]) & 0x000000ff);}
90 UInt_t GetHdacHigh(UInt_t hs) const;
91 UInt_t GetHdacLow(UInt_t hs) const;
92 UInt_t GetHTPAmp(UInt_t hs) const;
93 Bool_t GetHminTHchipPresent(UInt_t chip) const;
94 UInt_t GetHglobalDBversion() const {return fCalHeadWord[16];}
95 // use the methods below to extract the information from the fo calibration header:
96 UInt_t GetFOHrouterNr() const {return GetHrouterNr();}
97 UInt_t GetFOHtype() const {return GetHtype();}
98 UInt_t GetFOHtriggers() const {return GetHtriggers();}
99 Bool_t GetFOHchipPresent(UInt_t hs, UInt_t chip) const {return GetHchipPresent(hs,chip);}
100 UInt_t GetFOHglobalDBversion() const {return fCalHeadWord[5];}
101 UInt_t GetFOHMatrixID() const {return fCalHeadWord[6] & 0x0000000f;}
102 UInt_t GetFOHpixelCol() const {return (fCalHeadWord[6] >> 20) & 0x0000001f;}
103 UInt_t GetFOHpixelRow() const {return (fCalHeadWord[6] >> 10) & 0x000000ff;}
104 UInt_t GetFOHnumDacs() const;
105 UInt_t GetFOHdacIndex(UInt_t index) const;
106 UInt_t GetFOHdacValue(UInt_t index) const;
107 UInt_t GetFOHchipCount(UInt_t hs, UInt_t chip) const;
109 void ActivateAdvancedErrorLog(Bool_t activate, AliITSRawStreamSPDErrorLog* advLogger = NULL);
110 AliITSRawStreamSPDErrorLog* GetAdvancedErrorLog() {return fAdvLogger;}
112 static const Char_t* GetErrorName(UInt_t errorCode);
114 enum {kDDLsNumber = 20}; // number of DDLs in SPD
115 enum {kModulesPerDDL = 12}; // number of modules in each DDL
116 enum {kCalHeadLenMax = 64}; // maximum number of calib header words
117 enum ESPDRawStreamError {
121 kTrailerWithoutHeaderErr,
133 kAdvEventCounterErr, // used by SPDmood
134 kAdvEventCounterOrderErr,// used by SPDmood
136 kLinkRxDetectorFatalErr,
138 kHighMultiplicityFlag
142 static const Int_t fgkDDLModuleMap[kDDLsNumber][kModulesPerDDL]; // mapping DDL/module -> module number
144 Bool_t ReadNextShort();
145 Bool_t ReadNextInt();
147 void CheckHeaderAndTrailerCount(Int_t ddlID);
149 Int_t fEventCounter; // chip event counter
150 Short_t fEventCounterFull[20][6][10]; // chip event counter
152 UShort_t fChipAddr; // chip nr
153 UShort_t fHalfStaveNr; // half stave nr
154 UInt_t fCol; // chip column nr
155 UInt_t fRow; // chip row nr
156 UInt_t fCalHeadWord[kCalHeadLenMax]; // calibration header words
157 UInt_t fCalHeadLen; // calibration header length
159 UShort_t fData; // 16 bit data word read
160 UInt_t fOffset; // offset for cell column
161 UInt_t fHitCount; // counter of hits
162 UChar_t fDataChar1, fDataChar2, fDataChar3, fDataChar4; // temps part of a 32bit word
163 Bool_t fFirstWord; // keeps track of which of the two 16bit words out of the 32bit word to read when ReadNextShort is called
164 Bool_t fCalHeadRead[20]; // calibration header read flags (reset at new event)
165 UInt_t fPrevEventId; // previous event id (needed to know if there is a new event)
167 UInt_t fEqPLBytesRead; // bytes read for current equipment payload
168 UInt_t fEqPLChipHeadersRead; // number of chip headers found in current equipment payload
169 UInt_t fEqPLChipTrailersRead; // number of chip trailers found in current equipment payload
170 Bool_t fHeaderOrTrailerReadLast; // in previous words, was a header (true) or a trailer (false) read last
171 UInt_t fExpectedHeaderTrailerCount; // expected number of headers and trailers for the current equipment payload
172 Bool_t fFillOutOfSynch; // has a fill word been put in the wrong place?
173 Int_t fDDLID; // ddl id
174 Int_t fLastDDLID; // ddl id for equipment read in previous words
176 Bool_t fAdvancedErrorLog; // is the advanced error logging activated?
177 AliITSRawStreamSPDErrorLog *fAdvLogger; // pointer to special error logger object
179 Bool_t fFastOrSignal[20][6][10]; // fastor signal bit (one per chip)
181 Bool_t fActiveEq[20]; // which equipments are active (found in data)
182 Bool_t fActiveHS[20][6]; // which half-staves are active (blockattribute bits)
183 Bool_t fActiveChip[20][6][10]; // which chips are active (found in data)
185 ClassDef(AliITSRawStreamSPD, 0) // class for reading ITS SPD raw digits