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 "AliITSRawStream.h"
15 #include "AliITSRawStreamSPDErrorLog.h"
17 class AliITSRawStreamSPD: public AliITSRawStream {
19 AliITSRawStreamSPD(AliRawReader* rawReader);
20 AliITSRawStreamSPD(const AliITSRawStreamSPD& rstream);
21 AliITSRawStreamSPD& operator=(const AliITSRawStreamSPD& rstream);
22 virtual ~AliITSRawStreamSPD() {};
24 virtual Bool_t Next();
25 virtual Int_t ReadCalibHeader();
27 // the 2 methods below are equivalent to AliITSRawStream::GetCoord1 and GetCoord2
28 // together with the AliITSRawStream::GetModuleID these are the "offline" coordinates
29 Int_t GetColumn() const {return fCoord1;};
30 Int_t GetRow() const {return fCoord2;};
32 // together with the AliRawReader::GetDDLID() these are the "online" coordinates
33 UShort_t GetHalfStaveNr() const {return fHalfStaveNr;}
34 UShort_t GetChipAddr() const {return fChipAddr;}
35 Int_t GetChipCol() const {return fCol;};
36 Int_t GetChipRow() const {return fRow;};
39 static Int_t GetModuleNumber(UInt_t iDDL, UInt_t iModule);
40 static Int_t GetModuleNumber(UInt_t iDDL, UInt_t iHS, UInt_t iChip)
41 {return GetOfflineModuleFromOnline(iDDL,iHS,iChip);}
43 // coordinate conversions:
44 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);
45 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);
46 // coordinate conversions - offline->online
47 static UInt_t GetOnlineEqIdFromOffline(UInt_t module);
48 static UInt_t GetOnlineHSFromOffline(UInt_t module);
49 static UInt_t GetOnlineChipFromOffline(UInt_t module, UInt_t colM);
50 static UInt_t GetOnlineColFromOffline(UInt_t module, UInt_t colM);
51 static UInt_t GetOnlineRowFromOffline(UInt_t module, UInt_t rowM);
52 // coordinate conversions - online->offline
53 static UInt_t GetOfflineModuleFromOnline(UInt_t eqId, UInt_t hs, UInt_t chip);
54 static UInt_t GetOfflineColFromOnline(UInt_t eqId, UInt_t hs, UInt_t chip, UInt_t col);
55 static UInt_t GetOfflineRowFromOnline(UInt_t eqId, UInt_t hs, UInt_t chip, UInt_t row);
57 Bool_t GetFastOrSignal(UInt_t eq, UInt_t hs, UInt_t chip);
59 Int_t GetEventCounter() const {return fEventCounter;} // get last read event counter value
60 Short_t GetEventCounterFullEq(UInt_t eq) const;
61 Short_t GetEventCounterFullHS(UInt_t eq, UInt_t hs) const;
62 Short_t GetEventCounterFullChip(UInt_t eq, UInt_t hs, UInt_t chip) const;
63 Bool_t IsEventCounterFullConsistent() const;
65 Bool_t IsActiveEq(UInt_t eq) const;
66 Bool_t IsActiveHS(UInt_t eq, UInt_t hs) const;
67 Bool_t IsActiveChip(UInt_t eq, UInt_t hs, UInt_t chip) const;
69 Bool_t GetHalfStavePresent(UInt_t hs);
71 // use the methods below to extract the information from the calibration header
72 UInt_t GetHrouterNr() const {return (fCalHeadWord[0] & 0x0000003f);}
73 Bool_t GetHhalfStaveScanned(UInt_t hs) const;
74 UInt_t GetHtype() const {return (Int_t)((fCalHeadWord[1]) & 0x000000ff);}
75 Bool_t GetHdataFormat() const {return (Bool_t)(((fCalHeadWord[1]) & 0x00000100)>>8);}
76 UInt_t GetHtriggers() const {return fCalHeadWord[2];}
77 Bool_t GetHchipPresent(UInt_t hs, UInt_t chip) const;
78 UInt_t GetHdacStart() const {return ((fCalHeadWord[5]>>24) & 0x000000ff);}
79 UInt_t GetHdacEnd() const {return ((fCalHeadWord[5]>>16) & 0x000000ff);}
80 UInt_t GetHdacStep() const {return ((fCalHeadWord[5]>>8) & 0x000000ff);}
81 UInt_t GetHdacId() const {return ((fCalHeadWord[5]) & 0x000000ff);}
82 UInt_t GetHrowStart() const {return (UInt_t) ((fCalHeadWord[6]>>24) & 0x000000ff);}
83 UInt_t GetHrowEnd() const {return (UInt_t) ((fCalHeadWord[6]>>16) & 0x000000ff);}
84 UInt_t GetHrowValue() const {return (UInt_t) ((fCalHeadWord[6]>> 8) & 0x000000ff);}
85 UInt_t GetHdacValue() const {return (Int_t) ((fCalHeadWord[6]) & 0x000000ff);}
86 UInt_t GetHdacHigh(UInt_t hs) const;
87 UInt_t GetHdacLow(UInt_t hs) const;
88 UInt_t GetHTPAmp(UInt_t hs) const;
89 Bool_t GetHminTHchipPresent(UInt_t chip) const;
90 void ActivateAdvancedErrorLog(Bool_t activate, AliITSRawStreamSPDErrorLog* advLogger = NULL);
91 static const Char_t* GetErrorName(UInt_t errorCode);
94 enum {kDDLsNumber = 20}; // number of DDLs in SPD
95 enum {kModulesPerDDL = 12}; // number of modules in each DDL
96 enum {kCalHeadLenMax = 16}; // maximum number of calib header words
97 enum ESPDRawStreamError {
101 kTrailerWithoutHeaderErr,
113 kAdvEventCounterErr, // used by SPDmood
114 kAdvEventCounterOrderErr,// used by SPDmood
119 static const Int_t fgkDDLModuleMap[kDDLsNumber][kModulesPerDDL]; // mapping DDL/module -> module number
121 Bool_t ReadNextShort();
122 Bool_t ReadNextInt();
124 void CheckHeaderAndTrailerCount(Int_t ddlID);
126 Int_t fEventCounter; // chip event counter
127 Short_t fEventCounterFull[20][6][10]; // chip event counter
129 UShort_t fChipAddr; // chip nr
130 UShort_t fHalfStaveNr; // half stave nr
131 UInt_t fCol; // chip column nr
132 UInt_t fRow; // chip row nr
133 UInt_t fCalHeadWord[kCalHeadLenMax]; // calibration header words
135 UShort_t fData; // 16 bit data word read
136 UInt_t fOffset; // offset for cell column
137 UInt_t fHitCount; // counter of hits
138 UChar_t fDataChar1, fDataChar2, fDataChar3, fDataChar4; // temps part of a 32bit word
139 Bool_t fFirstWord; // keeps track of which of the two 16bit words out of the 32bit word to read when ReadNextShort is called
140 Bool_t fCalHeadRead[20]; // calibration header read flags (reset at new event)
141 UInt_t fPrevEventId; // previous event id (needed to know if there is a new event)
143 UInt_t fEqPLBytesRead; // bytes read for current equipment payload
144 UInt_t fEqPLChipHeadersRead; // number of chip headers found in current equipment payload
145 UInt_t fEqPLChipTrailersRead; // number of chip trailers found in current equipment payload
146 Bool_t fHeaderOrTrailerReadLast; // in previous words, was a header (true) or a trailer (false) read last
147 UInt_t fExpectedHeaderTrailerCount; // expected number of headers and trailers for the current equipment payload
148 Bool_t fFillOutOfSynch; // has a fill word been put in the wrong place?
149 Int_t fDDLID; // ddl id
150 Int_t fLastDDLID; // ddl id for equipment read in previous words
152 Bool_t fAdvancedErrorLog; // is the advanced error logging activated?
153 AliITSRawStreamSPDErrorLog *fAdvLogger; // pointer to special error logger object
155 Bool_t fFastOrSignal[20][6][10]; // fastor signal bit (one per chip)
157 Bool_t fActiveEq[20]; // which equipments are active (found in data)
158 Bool_t fActiveHS[20][6]; // which half-staves are active (blockattribute bits)
159 Bool_t fActiveChip[20][6][10]; // which chips are active (found in data)
161 ClassDef(AliITSRawStreamSPD, 0) // class for reading ITS SPD raw digits