#ifndef ALITRDRAWSTREAM_H #define ALITRDRAWSTREAM_H /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * * See cxx source for full Copyright notice */ /* $Id$ */ //////////////////////////////////////////////////////////////////////////// // // // This class provides access to TRD digits in raw data. // // // //////////////////////////////////////////////////////////////////////////// #include #include "AliTRDrawStreamBase.h" class AliRawReader; class AliTRDgeometry; class AliTRDdigitsManager; // Some constants: const UInt_t kEndoftrackletmarker = 0xAAAAAAAA; /*This marks the end of tracklet data words*/ const UInt_t kEndofrawdatamarker = 0x00000000; /*This marks the end of half-chamber-data*/ const UInt_t kSizeWord = sizeof(UInt_t); //class AliTRDRawStream: public TObject { class AliTRDRawStream: public AliTRDrawStreamBase { public : AliTRDRawStream(); AliTRDRawStream(AliRawReader *rawReader); virtual ~AliTRDRawStream(); virtual Bool_t Next(); // Read the next data virtual Int_t NextChamber(AliTRDdigitsManager *man, UInt_t **trackletContainer); // Read next chamber data virtual Bool_t Init(); // Init for the fRawVersion > 1 enum { kDDLOffset = 0x400 }; // Offset for DDL numbers Bool_t SetRawVersion(Int_t rv); Int_t GetRawVersion() const { return fRawVersion; }; void SetRawReader(AliRawReader *rawReader); // Get Filter settings (does not make a lot of sense): Int_t TRAPfilterTCon() const { return fTCon; }; Int_t TRAPfilterPEDon() const { return fPEDon; }; Int_t TRAPfilterGAINon() const { return fGAINon; }; Int_t TRAPsendsUnfilteredData() const { return fBypass; }; // Get Tracklet parameters (does not make a lot of sense): Float_t GetTrackletPID() const { return fTracklPID; }; Float_t GetTrackletDeflLength() const { return fTracklDefL; }; Float_t GetTrackletPadPos() const { return fTracklPadPos; }; Int_t GetTrackletPadRow() const { return fTracklPadRow; }; // Check if the link has optical power (HC sends data) Bool_t IsGTULinkActive(Int_t sm, Int_t la, Int_t sta, Int_t side) { return ( ((fGTUlinkMask[sm][sta]) >> (2*la+side)) & 0x1 ); }; Int_t *GetSignals() const { return (Int_t*)fSig; } // Signals in the three time bins from Data Word Int_t GetADC() const { return fADC; } // MCM ADC channel and Time Bin of word 1 Int_t GetTimeBin() const { return fTB - 3; } // MCM ADC channel and Time Bin of word 1 Int_t GetEventNumber() const { return fEv; } // MCM Event number and position of current MCM Int_t GetROB() const { return fROB; } // MCM Event number and position of current MCM Int_t GetMCM() const { return fMCM; } // MCM Event number and position of current MCM Int_t GetSM() const { return fSM; } // Position of CURRENT half chamber in full TRD Int_t GetLayer() const { return fLAYER; } // PLANE = Position of CURRENT half chamber in full TRD Int_t GetStack() const { return fSTACK; } // CHAMBER = Position of CURRENT half chamber in full TRD Int_t GetROC() const { return fROC; } // Position of CURRENT half chamber in full TRD Int_t GetSide() const { return fSIDE; } // Position of CURRENT half chamber in full TRD Int_t GetDCS() const { return fDCS; } // DCS board number read from data (HC header) Int_t GetRow() const { return fROW; } Int_t GetCol() const { return fCOL; } // Detector Pad coordinates Int_t GetDet() const { return fDET; } // Helper Int_t GetLastDet() const { return fLastDET; } // Helper Int_t GetMaxRow() const { return fRowMax; } Int_t GetMaxCol() const { return fColMax; } Int_t GetNumberOfTimeBins() const { return fTBins; } protected: AliTRDgeometry *fGeo; // TRD geometry void DecodeHCheader(Int_t timeBins); void DecodeMCMheader(); void DecodeTracklet(); void DecodeGTUlinkMask(); Int_t DecodeDataWord(); Int_t DecodeDataWordV1V2(); // Valid for fRawversion = 1, 2, ... Int_t DecodeDataWordV3(); // Valid for fRawversion = 3, ... Int_t NextData(); // Get the next piece of memory enum { kStart , kStop , kWordOK , kNoMoreData , kNextSM , kNextHC , kSeekNonEoTracklet , kDecodeHC , kNextMCM , kNextData , kReading }; private : Int_t fSig[3]; // Signals in the three time bins from Data Word Int_t fADC; // MCM ADC channel and Time Bin of word 1 Int_t fTB; // MCM ADC channel and Time Bin of word 1 Int_t fEv; // MCM Event number and position of current MCM on TRD chamber Int_t fROB; // MCM Event number and position of current MCM on TRD chamber Int_t fMCM; // MCM Event number and position of current MCM on TRD chamber Int_t fSM; // Position of CURRENT half chamber in full TRD Int_t fLAYER; // Position of CURRENT half chamber in full TRD Int_t fSTACK; // Position of CURRENT half chamber in full TRD Int_t fROC; // Position of CURRENT half chamber in full TRD Int_t fSIDE; // Position of CURRENT half chamber in full TRD Int_t fDCS; // DCS board number read from data (HC header) Int_t fROW; // Detector Row coordinates Int_t fCOL; // Detector Pad coordinates Int_t fDET; // Current detector - version > 1 Int_t fLastDET; // Previous detector - version > 1 Int_t fBCctr; // Counters from HC header (>=V2) Int_t fPTctr; // Counters from HC header (>=V2) Int_t fPTphase; // Counters from HC header (>=V2) Int_t fRVmajor; // Raw version numbers and number of additional HC headerwords (>=V2) Int_t fRVminor; // Raw version numbers and number of additional HC headerwords (>=V2) Int_t fHCHWords; // Raw version numbers and number of additional HC headerwords (>=V2) Int_t fTBins; // Number of time bins read from HC header (>=V2) Bool_t fTCon; // Filter settings read from HC header (>=V2) Bool_t fPEDon; // Filter settings read from HC header (>=V2) Bool_t fGAINon; // Filter settings read from HC header (>=V2) Bool_t fXTon; // Filter settings read from HC header (>=V2) Bool_t fNonLinOn; // Filter settings read from HC header (>=V2) Bool_t fBypass; // Filter settings read from HC header (>=V2) Int_t fCommonAdditive; // Common baseline additive read from HC header (>=V2) Bool_t fZeroSuppressed; // Data is zero suppressed Int_t fHCHctr1; // HC and MCM Header counter Int_t fHCHctr2; // HC and MCM Header counter Int_t fMCMHctr1; // HC and MCM Header counter Int_t fMCMHctr2; // HC and MCM Header counter Int_t fGTUctr1; // GTU LinkMask Counter Int_t fGTUctr2; // GTU LinkMask Counter Int_t fHCdataCtr; // Data Counter for half chamber Float_t fTracklPID; // Tracklet parameters Float_t fTracklDefL; // Tracklet parameters Float_t fTracklPadPos; // Tracklet parameters Int_t fTracklPadRow; // Tracklet parameters UShort_t fGTUlinkMask[18][5]; // Mask with active links AliTRDRawStream(const AliTRDRawStream &stream); AliTRDRawStream &operator=(const AliTRDRawStream &stream); AliRawReader *fRawReader; // Object for reading the raw data Int_t fRawVersion; // Which version of raw data decoding is used Int_t fNextStatus; // Navigation in raw versions > 1 UInt_t fTbSwitch; // Time Bin Switch for internal use UInt_t fTbSwitchCtr; // Counter for internal use UInt_t fTimeWords; // Number of Words needed to store the data of 1 ADC ch. UInt_t fWordCtr; // Word Counter Int_t fRowMax; // Maximum number of pad rows and columns Int_t fColMax; // Maximum number of pad rows and columns Bool_t fADCmask[21]; // Mask of active ADCs for zero suppression UShort_t fChamberDone[540]; // Chamber was processed already (1=1HC, 2=full chamber) Int_t fRetVal; // Datadecode return Int_t fEqID; // Equipment id UInt_t fDataSize; // Size of the data available in the current buffer Bool_t fSizeOK; // Did we read anything UInt_t fCountBytes; // Bytes traversed in the buffer UInt_t fBufSize; // Size of the current RawReader buffer Bool_t fBufferSet; // Is the RawReader buffer available UChar_t *fPos; // Position in the buffer of the RawReader UInt_t *fDataWord; // The pointer to the current 32 bit data word UInt_t fTimeBinsCalib; // N of time bins retrieved from calibration enum ETRDzRawStreamError { kHCWordMissing = 1 // ,kMCMADCMaskMissing = 2 // ,kWrongMCMorROB = 3 // ,kGTULinkMaskMissing = 4 // ,kHCHeaderCorrupt = 5 // ,kHCHeaderMissing = 6 // ,kROBSideMismatch = 7 // ,kWrongPadrow = 8 // ,kWrongPadcolumn = 9 // ,kTrackletRowMismatch = 10 // ,kDataMaskError = 11 // ,kADCNumberOverflow = 12 // ,kADCChannelOverflow = 13 // }; ClassDef(AliTRDRawStream, 6) // Class for reading TRD raw digits }; #endif