Changes needed to properly add and subtract the SDD low threshold with data compresse...

[u/mrichter/AliRoot.git] / ITS / AliITSRawStreamSDD.h

diff --git a/ITS/AliITSRawStreamSDD.h b/ITS/AliITSRawStreamSDD.h
index b966a529e208b4ea588b34b479dd1e80660f276a..d9fcf5229f18c227dcfb5be7398ee81fdf4ca420 100644 (file)
--- a/ITS/AliITSRawStreamSDD.h
+++ b/ITS/AliITSRawStreamSDD.h
@@ -9,10 +9,10 @@
 ///
 /// This class provides access to ITS SDD digits in raw data 
 /// (default=simulated data).
-///
 ///////////////////////////////////////////////////////////////////////////////
 
 #include "AliITSRawStream.h"
+#include "AliITSDDLModuleMapSDD.h"
 
 class AliRawReader;
 
@@ -20,50 +20,72 @@ class AliRawReader;
 class AliITSRawStreamSDD: public AliITSRawStream {
   public :
     AliITSRawStreamSDD(AliRawReader* rawReader);
-    virtual ~AliITSRawStreamSDD() {};
+    AliITSRawStreamSDD(const AliITSRawStreamSDD& rs);
+    AliITSRawStreamSDD& operator=(const AliITSRawStreamSDD& rs);
+    virtual ~AliITSRawStreamSDD();
 
     virtual Bool_t   Next();
 
     virtual Int_t    GetAnode() const {return fCoord1;}
     virtual Int_t    GetTime() const {return fCoord2;}
     virtual Int_t    GetChannel() const {return fChannel;}
-    virtual Int_t    ReadJitter() {return 0;}
-
-    virtual void     SetLowCarlosThreshold(Int_t th, Int_t i) {fLowThreshold[i]=th;}
-
-    static  Int_t    GetModuleNumber(UInt_t iDDL, UInt_t iModule)
-                     {return fgkDDLModuleMap[iDDL][iModule];}
-
-    enum {kDDLOffset = 0x200};    // offset for DDL numbers
-    enum {kDDLsNumber = 12};      // number of DDLs in SDD
-    enum {kModulesPerDDL = 22};   // number of modules in each DDL 
-
- 
+    virtual Int_t    ReadJitter() const {return 0;}
+    virtual Int_t    GetCarlosId() const {return fCarlosId;}
+    virtual Int_t    GetEventId() const {return fEventId;}
+
+    virtual void SetDDLModuleMap(AliITSDDLModuleMapSDD* ddlsdd){fDDLModuleMap->SetDDLMap(ddlsdd);}
+    virtual void     SetLowCarlosThreshold(Int_t th, Int_t i)
+      {fLowThreshold[i]=th;}
+    virtual void     SetZeroSuppLowThreshold(Int_t iMod, Int_t iSid, Int_t th) 
+      {fLowThresholdArray[iMod][iSid]=th;}
+    virtual void     SetNCarlos(Int_t nC=12){fNCarlos=nC;}
+    Int_t   GetModuleNumber(UInt_t iDDL, UInt_t iModule) const {
+      return fDDLModuleMap->GetModuleNumber(iDDL,iModule);
+    }
+    virtual void     Reset(); 
+
+    enum {kSDDModules = 260};      // number of SDD modules
+    enum {kSPDModules = 240};      // number of SPD modules (used as offset)
+    enum {kDDLsNumber = 24};       // number of DDLs in SDD
+    enum {kModulesPerDDL = 12};    // number of modules in each DDL 
+    enum {kCarlosWords = 12};      // number of FIFOCARLOS Words
+    enum {kFifoWords =  4};        // number of FIFO Words
+    enum ESDDRawStreamError { 
+      kDataError = 1,
+      kDataFormatErr = 2
+    };
   protected:
-    static const Int_t fgkDDLModuleMap[kDDLsNumber][kModulesPerDDL]; //  mapping DDL/module -> module number
-
+    virtual Bool_t   SkipHeaderWord(); 
     virtual UInt_t   ReadBits();
     virtual Int_t    DecompAmbra(Int_t value) const;
 
     static const UInt_t fgkCodeLength[8]; //code length
 
+    AliITSDDLModuleMapSDD* fDDLModuleMap; // mapping DDL/module -> module number 
     UInt_t           fData;         // data read for file
-    Int_t            fSkip;         // number of skipped words
-    Int_t            fEventId;      // event ID from the header
-    Int_t            fCarlosId;     // carlos ID from the header
+    Int_t            fSkip[kDDLsNumber];// obsolete -- needed to compile AliITSRawStreamSDDv2
+    Int_t            fEventId;      // event ID from header
+    Int_t            fCarlosId;     // carlos ID
     Int_t            fChannel;      // current channel
     Int_t            fJitter;          // jitter between L0 and pascal stop (x25ns)
-    ULong64_t        fChannelData[2];  // packed data for the 2 channels
-    UInt_t           fLastBit[2];      // last filled bit in fChannelData
-    UInt_t           fChannelCode[2];  // current channel code
-    Bool_t           fReadCode[2];     // next bits are code or data
-    UInt_t           fReadBits[2];     // number of bits to read
-    Int_t            fTimeBin[2];      // current time bin
-    Int_t            fAnode[2];        // current anode number
-    Int_t            fLowThreshold[2]; // low Carlos threshold
-    
-
-    ClassDef(AliITSRawStreamSDD, 1) // class for reading ITS SDD raw digits
+    ULong64_t        fChannelData[kModulesPerDDL][2];// packed data for the 2 channels
+    UInt_t           fLastBit[kModulesPerDDL][2];    // last filled bit in fChannelData
+    UInt_t           fChannelCode[kModulesPerDDL][2];// current channel code
+    Bool_t           fReadCode[kModulesPerDDL][2];   // next bits are code or data
+    UInt_t           fReadBits[kModulesPerDDL][2];   // number of bits to read
+    Int_t            fLowThresholdArray[kSDDModules][2]; // array with low thresholds for all modules
+    Int_t            fLowThreshold[2];    // obsolete -- needed to compile AliITSRawStreamSDDv2
+    Int_t            fNCarlos;         // number of Carlos 
+    Int_t            fNfifo[kFifoWords];  // FIFO number
+    Int_t            fTimeBin[kModulesPerDDL][2];  // current timebin [ncarlos][nchannels]
+    Int_t            fAnode[kModulesPerDDL][2]; // current anode [ncarlos][nchannels]
+    Int_t            fDDL;        //current ddl number
+    UInt_t           fICarlosWord[kCarlosWords]; // Carlos words
+    UInt_t           fIFifoWord[kFifoWords];     // FIFO words
+    Int_t            fICountFoot[kModulesPerDDL]; // counter for carlos footer words
+    Int_t            fEndWords;      //number of 3f1f1f1f
+    Int_t            fResetSkip;     //if it is 0, the ResetSkip Funcion is called
+    ClassDef(AliITSRawStreamSDD, 8) // class for reading ITS SDD raw digits
 };
 
 #endif