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1 | #ifndef ALIALTRORAWSTREAM_H | |
2 | #define ALIALTRORAWSTREAM_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 is a base class for reading raw data digits in Altro format | |
11 | /// | |
12 | /////////////////////////////////////////////////////////////////////////////// | |
13 | ||
14 | #include <TObject.h> | |
15 | ||
16 | class AliRawReader; | |
17 | ||
18 | class AliAltroRawStream: public TObject { | |
19 | public : | |
20 | AliAltroRawStream(AliRawReader* rawReader); | |
21 | virtual ~AliAltroRawStream(); | |
22 | ||
23 | virtual void Reset(); | |
24 | virtual Bool_t Next(); | |
25 | ||
26 | inline Int_t GetDDLNumber() const { return fDDLNumber; } // Provide current DDL number | |
27 | inline Int_t GetPrevDDLNumber() const { return fPrevDDLNumber; }// Provide previous DDL number | |
28 | inline Bool_t IsNewDDLNumber() const {return (fDDLNumber != fPrevDDLNumber);}; | |
29 | inline Int_t GetHWAddress() const { return fHWAddress; } // Provide current hardware address | |
30 | inline Int_t GetPrevHWAddress() const { return fPrevHWAddress; } // Provide previous hardware address | |
31 | inline Bool_t IsNewHWAddress() const {return (fHWAddress != fPrevHWAddress) || IsNewDDLNumber();}; | |
32 | inline Int_t GetTime() const { return fTime; } // Provide index of current time bin | |
33 | inline Int_t GetPrevTime() const { return fPrevTime; } // Provide index of previous time bin | |
34 | inline Bool_t IsNewTime() const {return (fTime != fPrevTime) || IsNewHWAddress();}; | |
35 | inline Int_t GetSignal() const { return fSignal; } // Provide signal in ADC counts | |
36 | inline Int_t GetTimeLength() const { return fTimeBunch; } // Provide total length of current time bunch | |
37 | ||
38 | void SelectRawData(Int_t detId); // Select raw data for specific detector id | |
39 | ||
40 | protected: | |
41 | AliAltroRawStream(const AliAltroRawStream& stream); | |
42 | AliAltroRawStream& operator = (const AliAltroRawStream& stream); | |
43 | ||
44 | Bool_t fNoAltroMapping; // temporary flag in case of no altro mapping is provided | |
45 | Short_t fSegmentation[3]; // temporary container for the dummy trailer, to be removed | |
46 | ||
47 | private : | |
48 | ||
49 | UShort_t GetNextWord(); | |
50 | Bool_t ReadTrailer(); | |
51 | Bool_t ReadDummyTrailer(); | |
52 | void ReadBunch(); | |
53 | void ReadAmplitude(); | |
54 | Int_t GetPosition(); | |
55 | ||
56 | Int_t fDDLNumber; // index of current DDL number | |
57 | Int_t fPrevDDLNumber;// index of current DDL number | |
58 | Short_t fHWAddress; // current hardware address | |
59 | Short_t fPrevHWAddress;// previous hardware address | |
60 | Int_t fTime; // index of current time bin | |
61 | Int_t fPrevTime; // index of previous time bin | |
62 | Int_t fSignal; // signal in ADC counts | |
63 | Int_t fTimeBunch; // total length of the current time bunch | |
64 | ||
65 | AliRawReader* fRawReader; // object for reading the raw data | |
66 | ||
67 | ||
68 | UChar_t* fData; // raw data | |
69 | ||
70 | Int_t fPosition; // current (10 bit) position in fData | |
71 | Int_t fCount; // counter of words to be read for current trailer | |
72 | Int_t fBunchLength; // remaining number of signal bins in the current bunch | |
73 | ||
74 | ClassDef(AliAltroRawStream, 0) // base class for reading Altro raw digits | |
75 | }; | |
76 | ||
77 | #endif |