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2906f4c2 | 1 | #ifndef ALIITSRAWSTREAMSDD_H |
2 | #define ALIITSRAWSTREAMSDD_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 | /// | |
1ba0280f | 10 | /// This class provides access to ITS SDD digits in raw data |
11 | /// (default=simulated data). | |
2906f4c2 | 12 | /////////////////////////////////////////////////////////////////////////////// |
13 | ||
14 | #include "AliITSRawStream.h" | |
979b5a5f | 15 | #include "AliITSDDLModuleMapSDD.h" |
2906f4c2 | 16 | |
17 | class AliRawReader; | |
18 | ||
19 | ||
20 | class AliITSRawStreamSDD: public AliITSRawStream { | |
21 | public : | |
22 | AliITSRawStreamSDD(AliRawReader* rawReader); | |
979b5a5f | 23 | AliITSRawStreamSDD(const AliITSRawStreamSDD& rs); |
24 | AliITSRawStreamSDD& operator=(const AliITSRawStreamSDD& rs); | |
25 | virtual ~AliITSRawStreamSDD(); | |
2906f4c2 | 26 | |
d9ed1779 | 27 | static UChar_t ReadBlockAttributes(AliRawReader* rawReader); |
28 | static AliITSRawStream* CreateRawStreamSDD(AliRawReader* rawReader, UChar_t attributes); | |
29 | static AliITSRawStream* CreateRawStreamSDD(AliRawReader* rawReader); | |
30 | ||
2906f4c2 | 31 | virtual Bool_t Next(); |
32 | ||
1ba0280f | 33 | virtual Int_t GetAnode() const {return fCoord1;} |
34 | virtual Int_t GetTime() const {return fCoord2;} | |
35 | virtual Int_t GetChannel() const {return fChannel;} | |
6297cc01 | 36 | virtual Int_t GetEightBitSignal() const {return fEightBitSignal;} |
a97b3678 | 37 | virtual Int_t GetCarlosId() const {return fCarlosId;} |
979b5a5f | 38 | virtual Int_t GetEventId() const {return fEventId;} |
e2662f55 | 39 | virtual Int_t GetJitter() const {return fJitter;} |
de075dae | 40 | |
5dfa68c5 | 41 | |
6297cc01 | 42 | virtual void SetDecompressAmbra(Bool_t deco=kTRUE){ |
43 | fDecompressAmbra=deco; | |
44 | } | |
720d923a | 45 | virtual void SetDDLModuleMap(AliITSDDLModuleMapSDD* ddlsdd){ |
46 | if(!fDDLModuleMap) fDDLModuleMap=new AliITSDDLModuleMapSDD(); | |
e2662f55 | 47 | fDDLModuleMap->SetDDLMap(ddlsdd); |
48 | } | |
83ec5e27 | 49 | virtual void SetZeroSuppLowThreshold(Int_t iMod, Int_t iSid, Int_t th) |
50 | {fLowThresholdArray[iMod][iSid]=th;} | |
979b5a5f | 51 | Int_t GetModuleNumber(UInt_t iDDL, UInt_t iModule) const { |
720d923a | 52 | if(!fDDLModuleMap) return kSPDModules+1; // dummy module number if the DDL map is not set (case of DAs) |
979b5a5f | 53 | return fDDLModuleMap->GetModuleNumber(iDDL,iModule); |
54 | } | |
a97b3678 | 55 | virtual void Reset(); |
2906f4c2 | 56 | |
83ec5e27 | 57 | enum {kSDDModules = 260}; // number of SDD modules |
58 | enum {kSPDModules = 240}; // number of SPD modules (used as offset) | |
59 | enum {kDDLsNumber = 24}; // number of DDLs in SDD | |
60 | enum {kModulesPerDDL = 12}; // number of modules in each DDL | |
765a9f95 | 61 | enum {kCarlosWords = 12}; // number of FIFOCARLOS Words |
83ec5e27 | 62 | enum {kFifoWords = 4}; // number of FIFO Words |
765a9f95 | 63 | enum ESDDRawStreamError { |
39a7c5cc | 64 | kDataError = 1, |
65 | kDataFormatErr = 2 | |
66 | }; | |
1ba0280f | 67 | protected: |
83ec5e27 | 68 | virtual Bool_t SkipHeaderWord(); |
1ba0280f | 69 | virtual UInt_t ReadBits(); |
70 | virtual Int_t DecompAmbra(Int_t value) const; | |
2906f4c2 | 71 | |
38300302 | 72 | static const UInt_t fgkCodeLength[8]; //code length |
2906f4c2 | 73 | |
979b5a5f | 74 | AliITSDDLModuleMapSDD* fDDLModuleMap; // mapping DDL/module -> module number |
2906f4c2 | 75 | UInt_t fData; // data read for file |
0cc008b8 | 76 | Bool_t fResetSkip; // flag for end of DDL data |
e2662f55 | 77 | |
a97b3678 | 78 | Int_t fEventId; // event ID from header |
14dceddf | 79 | Int_t fCarlosId; // carlos ID |
1ba0280f | 80 | Int_t fChannel; // current channel |
81 | Int_t fJitter; // jitter between L0 and pascal stop (x25ns) | |
a97b3678 | 82 | ULong64_t fChannelData[kModulesPerDDL][2];// packed data for the 2 channels |
83 | UInt_t fLastBit[kModulesPerDDL][2]; // last filled bit in fChannelData | |
84 | UInt_t fChannelCode[kModulesPerDDL][2];// current channel code | |
85 | Bool_t fReadCode[kModulesPerDDL][2]; // next bits are code or data | |
86 | UInt_t fReadBits[kModulesPerDDL][2]; // number of bits to read | |
83ec5e27 | 87 | Int_t fLowThresholdArray[kSDDModules][2]; // array with low thresholds for all modules |
e2662f55 | 88 | |
14dceddf | 89 | Int_t fNfifo[kFifoWords]; // FIFO number |
a97b3678 | 90 | Int_t fTimeBin[kModulesPerDDL][2]; // current timebin [ncarlos][nchannels] |
91 | Int_t fAnode[kModulesPerDDL][2]; // current anode [ncarlos][nchannels] | |
14dceddf | 92 | UInt_t fICarlosWord[kCarlosWords]; // Carlos words |
93 | UInt_t fIFifoWord[kFifoWords]; // FIFO words | |
94 | Int_t fICountFoot[kModulesPerDDL]; // counter for carlos footer words | |
6297cc01 | 95 | Int_t fEightBitSignal; // signal at 8 bit |
96 | Bool_t fDecompressAmbra; //flag to switch off decompression | |
97 | ||
0cc008b8 | 98 | ClassDef(AliITSRawStreamSDD, 14) // class for reading ITS SDD raw digits |
2906f4c2 | 99 | }; |
100 | ||
101 | #endif |