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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); |
040d0012 | 28 | static UInt_t ReadAMSamplFreqFromCDH(UChar_t cdhAttr){ |
29 | if(cdhAttr&0x10) return 40; | |
30 | else return 20; | |
31 | } | |
d9ed1779 | 32 | static AliITSRawStream* CreateRawStreamSDD(AliRawReader* rawReader, UChar_t attributes); |
33 | static AliITSRawStream* CreateRawStreamSDD(AliRawReader* rawReader); | |
34 | ||
2906f4c2 | 35 | virtual Bool_t Next(); |
36 | ||
1ba0280f | 37 | virtual Int_t GetAnode() const {return fCoord1;} |
38 | virtual Int_t GetTime() const {return fCoord2;} | |
39 | virtual Int_t GetChannel() const {return fChannel;} | |
6297cc01 | 40 | virtual Int_t GetEightBitSignal() const {return fEightBitSignal;} |
a97b3678 | 41 | virtual Int_t GetCarlosId() const {return fCarlosId;} |
979b5a5f | 42 | virtual Int_t GetEventId() const {return fEventId;} |
e2662f55 | 43 | virtual Int_t GetJitter() const {return fJitter;} |
de075dae | 44 | |
5dfa68c5 | 45 | |
6297cc01 | 46 | virtual void SetDecompressAmbra(Bool_t deco=kTRUE){ |
47 | fDecompressAmbra=deco; | |
48 | } | |
720d923a | 49 | virtual void SetDDLModuleMap(AliITSDDLModuleMapSDD* ddlsdd){ |
50 | if(!fDDLModuleMap) fDDLModuleMap=new AliITSDDLModuleMapSDD(); | |
e2662f55 | 51 | fDDLModuleMap->SetDDLMap(ddlsdd); |
52 | } | |
83ec5e27 | 53 | virtual void SetZeroSuppLowThreshold(Int_t iMod, Int_t iSid, Int_t th) |
54 | {fLowThresholdArray[iMod][iSid]=th;} | |
979b5a5f | 55 | Int_t GetModuleNumber(UInt_t iDDL, UInt_t iModule) const { |
720d923a | 56 | if(!fDDLModuleMap) return kSPDModules+1; // dummy module number if the DDL map is not set (case of DAs) |
979b5a5f | 57 | return fDDLModuleMap->GetModuleNumber(iDDL,iModule); |
58 | } | |
a97b3678 | 59 | virtual void Reset(); |
2906f4c2 | 60 | |
83ec5e27 | 61 | enum {kSDDModules = 260}; // number of SDD modules |
62 | enum {kSPDModules = 240}; // number of SPD modules (used as offset) | |
63 | enum {kDDLsNumber = 24}; // number of DDLs in SDD | |
64 | enum {kModulesPerDDL = 12}; // number of modules in each DDL | |
765a9f95 | 65 | enum {kCarlosWords = 12}; // number of FIFOCARLOS Words |
83ec5e27 | 66 | enum {kFifoWords = 4}; // number of FIFO Words |
765a9f95 | 67 | enum ESDDRawStreamError { |
39a7c5cc | 68 | kDataError = 1, |
69 | kDataFormatErr = 2 | |
70 | }; | |
1ba0280f | 71 | protected: |
83ec5e27 | 72 | virtual Bool_t SkipHeaderWord(); |
1ba0280f | 73 | virtual UInt_t ReadBits(); |
74 | virtual Int_t DecompAmbra(Int_t value) const; | |
2906f4c2 | 75 | |
38300302 | 76 | static const UInt_t fgkCodeLength[8]; //code length |
2906f4c2 | 77 | |
979b5a5f | 78 | AliITSDDLModuleMapSDD* fDDLModuleMap; // mapping DDL/module -> module number |
2906f4c2 | 79 | UInt_t fData; // data read for file |
0cc008b8 | 80 | Bool_t fResetSkip; // flag for end of DDL data |
e2662f55 | 81 | |
a97b3678 | 82 | Int_t fEventId; // event ID from header |
14dceddf | 83 | Int_t fCarlosId; // carlos ID |
1ba0280f | 84 | Int_t fChannel; // current channel |
85 | Int_t fJitter; // jitter between L0 and pascal stop (x25ns) | |
a97b3678 | 86 | ULong64_t fChannelData[kModulesPerDDL][2];// packed data for the 2 channels |
87 | UInt_t fLastBit[kModulesPerDDL][2]; // last filled bit in fChannelData | |
88 | UInt_t fChannelCode[kModulesPerDDL][2];// current channel code | |
89 | Bool_t fReadCode[kModulesPerDDL][2]; // next bits are code or data | |
90 | UInt_t fReadBits[kModulesPerDDL][2]; // number of bits to read | |
83ec5e27 | 91 | Int_t fLowThresholdArray[kSDDModules][2]; // array with low thresholds for all modules |
e2662f55 | 92 | |
14dceddf | 93 | Int_t fNfifo[kFifoWords]; // FIFO number |
a97b3678 | 94 | Int_t fTimeBin[kModulesPerDDL][2]; // current timebin [ncarlos][nchannels] |
95 | Int_t fAnode[kModulesPerDDL][2]; // current anode [ncarlos][nchannels] | |
14dceddf | 96 | UInt_t fICarlosWord[kCarlosWords]; // Carlos words |
97 | UInt_t fIFifoWord[kFifoWords]; // FIFO words | |
98 | Int_t fICountFoot[kModulesPerDDL]; // counter for carlos footer words | |
6297cc01 | 99 | Int_t fEightBitSignal; // signal at 8 bit |
100 | Bool_t fDecompressAmbra; //flag to switch off decompression | |
101 | ||
0cc008b8 | 102 | ClassDef(AliITSRawStreamSDD, 14) // class for reading ITS SDD raw digits |
2906f4c2 | 103 | }; |
104 | ||
105 | #endif |