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[u/mrichter/AliRoot.git] / ITS / AliITSRawStreamSPD.h
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2906f4c2 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 */
5
6/* $Id$ */
7
8///////////////////////////////////////////////////////////////////////////////
9///
10/// This class provides access to ITS SPD digits in raw data.
11///
12///////////////////////////////////////////////////////////////////////////////
13
14#include "AliITSRawStream.h"
d9c68335 15#include "AliITSRawStreamSPDErrorLog.h"
2906f4c2 16
17class AliITSRawStreamSPD: public AliITSRawStream {
18 public :
19 AliITSRawStreamSPD(AliRawReader* rawReader);
d9c68335 20 AliITSRawStreamSPD(const AliITSRawStreamSPD& rstream);
21 AliITSRawStreamSPD& operator=(const AliITSRawStreamSPD& rstream);
2906f4c2 22 virtual ~AliITSRawStreamSPD() {};
23
b696414b 24 virtual Bool_t Next();
3f917533 25 virtual Int_t ReadCalibHeader();
2906f4c2 26
c42b9ed0 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;};
31
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;};
37
53ae21ce 38 // module mapping
6727e2db 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);}
42
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);
56
4f98b62b 57 Bool_t GetFastOrSignal(UInt_t eq, UInt_t hs, UInt_t chip);
58
478d804c 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;
b696414b 64
478d804c 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;
53ae21ce 68
c42b9ed0 69 Bool_t GetHalfStavePresent(UInt_t hs);
70
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;
1fd93b67 89 Bool_t GetHminTHchipPresent(UInt_t chip) const;
d9c68335 90 void ActivateAdvancedErrorLog(Bool_t activate, AliITSRawStreamSPDErrorLog* advLogger = NULL);
91 static const Char_t* GetErrorName(UInt_t errorCode);
92
2906f4c2 93
2906f4c2 94 enum {kDDLsNumber = 20}; // number of DDLs in SPD
95 enum {kModulesPerDDL = 12}; // number of modules in each DDL
c42b9ed0 96 enum {kCalHeadLenMax = 16}; // maximum number of calib header words
d9edae7b 97 enum ESPDRawStreamError {
d9c68335 98 kTotal,
99 kHeaderMissingErr,
100 kTrailerMissingErr,
101 kTrailerWithoutHeaderErr,
102 kHeaderCountErr,
103 kTrailerCountErr,
104 kFillUnexpectErr,
105 kFillMissingErr,
106 kWrongFillWordErr,
107 kNumberHitsErr,
108 kEventCounterErr,
109 kDDLNumberErr,
110 kHSNumberErr,
111 kChipAddrErr,
b696414b 112 kCalHeaderLengthErr,
113 kAdvEventCounterErr, // used by SPDmood
4f98b62b 114 kAdvEventCounterOrderErr,// used by SPDmood
115 kTrailerErrorBitErr
d9edae7b 116 };
2906f4c2 117
118 private :
119 static const Int_t fgkDDLModuleMap[kDDLsNumber][kModulesPerDDL]; // mapping DDL/module -> module number
120
d9c68335 121 Bool_t ReadNextShort();
122 Bool_t ReadNextInt();
123 void NewEvent();
124 void CheckHeaderAndTrailerCount(Int_t ddlID);
125
126 Int_t fEventCounter; // chip event counter
478d804c 127 Short_t fEventCounterFull[20][6][10]; // chip event counter
128
d9c68335 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
134
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)
142
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
151
152 Bool_t fAdvancedErrorLog; // is the advanced error logging activated?
153 AliITSRawStreamSPDErrorLog *fAdvLogger; // pointer to special error logger object
72600597 154
4f98b62b 155 Bool_t fFastOrSignal[20][6][10]; // fastor signal bit (one per chip)
156
b696414b 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)
478d804c 159 Bool_t fActiveChip[20][6][10]; // which chips are active (found in data)
b696414b 160
2906f4c2 161 ClassDef(AliITSRawStreamSPD, 0) // class for reading ITS SPD raw digits
162};
163
164#endif