/* $Id$ */
///////////////////////////////////////////////////////////////////////////////
-///
-/// This class provides access to TRD digits in raw data.
-///
+// //
+// This class provides access to TRD digits in raw data. //
+// //
///////////////////////////////////////////////////////////////////////////////
#include <TObject.h>
+class AliTRDgeometry;
class AliRawReader;
-class AliTRDparameter;
+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 {
+
public :
- AliTRDRawStream(AliRawReader* rawReader);
+
+ AliTRDRawStream();
+ AliTRDRawStream(AliRawReader *rawReader);
virtual ~AliTRDRawStream();
- virtual Bool_t Next();
+ virtual Bool_t Next(); // Read the next data
+ virtual Int_t NextChamber(AliTRDdigitsManager *man); // read next chamber data
+ virtual Int_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; };
- 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;};
+ // 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; };
- enum {kDDLOffset = 0x400}; // offset for DDL numbers
+ // 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() { return 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 on TRD chamber
+ Int_t GetROB() const { return fROB;} // MCM Event number and position of current MCM on TRD chamber
+ Int_t GetMCM() const { return fMCM;} // MCM Event number and position of current MCM on TRD chamber
+ 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;}
private :
- AliTRDRawStream(const AliTRDRawStream& stream);
- AliTRDRawStream& operator = (const AliTRDRawStream& stream);
- AliRawReader* fRawReader; // object for reading the raw data
+ 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 fCount; // counter of bytes to be read for current detector
+ 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)
- 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
+ Bool_t fZeroSuppressed; // Data is zero suppressed
- ClassDef(AliTRDRawStream, 1) // class for reading TRD raw digits
-};
+ 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 fkBufferSet; // 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 //
+ };
+
+ 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 { fkStart, fkStop, fkWordOK, fkNoMoreData, fkNextSM, fkNextHC, fkSeekNonEoTracklet, fkDecodeHC, fkNextMCM, fkNextData, fkReading};
+
+ ClassDef(AliTRDRawStream, 5) // Class for reading TRD raw digits
+
+};
#endif
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff