/* $Id$ */
-///////////////////////////////////////////////////////////////////////////////
-// //
-// This class provides access to TRD digits in raw data. //
-// //
-///////////////////////////////////////////////////////////////////////////////
+////////////////////////////////////////////////////////////////////////////
+// //
+// This class provides access to TRD digits in raw data. //
+// //
+////////////////////////////////////////////////////////////////////////////
#include <TObject.h>
+#include "AliTRDrawStreamBase.h"
class AliRawReader;
-class AliTRDparameter;
-class AliTRDRawStream: public TObject {
+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);
+ AliTRDRawStream(AliRawReader *rawReader);
virtual ~AliTRDRawStream();
- virtual Bool_t Next();
-
- Int_t GetDetector() const { return fDetector; };
- Int_t GetPrevDetector() const { return fPrevDetector; };
- Bool_t IsNewDetector() const { return fDetector != fPrevDetector; };
- Int_t GetNPads() const { return fNPads; };
- Int_t GetRow() const { return fRow; };
- Int_t GetPrevRow() const { return fPrevRow; };
- Bool_t IsNewRow() const { return (fRow != fPrevRow) || IsNewDetector(); };
- Int_t GetColumn() const { return fColumn; };
- Int_t GetPrevColumn() const { return fPrevColumn; };
- Bool_t IsNewColumn() const { return (fColumn != fPrevColumn) || IsNewRow(); };
- Int_t GetTime() const { return fTime-1; };
- Int_t GetSignal() const { return fSignal; };
-
- enum {kDDLOffset = 0x400}; // offset for DDL numbers
+ 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 fCount; // Counter of bytes to be read for current detector
-
- Int_t fDetector; // Index of current detector
- Int_t fPrevDetector; // Index of previous detector
- Int_t fNPads; // Number of active pads
- Int_t fRow; // Index of current pad row
- Int_t fPrevRow; // Index of previous pad row
- Int_t fColumn; // Index of current pad column
- Int_t fPrevColumn; // Index of previous pad column
- Int_t fTime; // Index of current time bin
- Int_t fSignal; // Signal in ADC counts
-
- ClassDef(AliTRDRawStream, 1) // Class for reading TRD raw digits
+ 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
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