Digitizer: improved access to CDB for multievent jobs. Memory leak fixed in AliITSDet...

[u/mrichter/AliRoot.git] / ITS / AliITSRawStreamSSDv1.cxx

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 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
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 * Author: The ALICE Off-line Project.                                    *
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/* $Id$ */
///////////////////////////////////////////////////////////////////////////////
///
/// This class provides access to beam test ITS SSD digits in raw data.
//  Modified by Enrico Fragiacomo, October 2004, for beamtest analysis
///
///////////////////////////////////////////////////////////////////////////////

#include "AliITSRawStreamSSDv1.h"
#include "AliRawReader.h"

ClassImp(AliITSRawStreamSSDv1)


AliITSRawStreamSSDv1::AliITSRawStreamSSDv1(AliRawReader* rawReader) :
  AliITSRawStreamSSD(rawReader)
{
// create an object to read ITS SSD raw digits

  fADC =0;
  fADModule=0;
  fRawReader->Select(3);
  fRawReader->SelectEquipment(17,102,102);
}


Bool_t AliITSRawStreamSSDv1::Next()
{
// read the next raw digit
// returns kFALSE if there is no digit left

  Int_t seq=0;

  fPrevModuleID = fModuleID;

  if (!fRawReader->ReadNextInt(fData)) return kFALSE;

  fADModule = (fData >> 27) & 0x0000000F;
  fADC       = (fData >> 23) & 0x0000000F;

  // seq 0 (first 768 strips) or 1 are obtained from fCoord2
  fCoord2    = (fData >> 12) & 0x000007FF;
  seq    = (fCoord2 >= 768) ? 1 : 0; 
  if(seq) fCoord2 = 1535 - fCoord2;

  if((fCoord2<0)||(fCoord2>=768)) return kFALSE;

  // ADModule 2 -> layer 5
  // fCoord1 is set according to the cabling map
  if(fADModule==2) {
    if ((fADC==0)&&(seq==0)) {fModuleID = 10; fCoord1=1;}
    else if ((fADC==0)&&(seq==1)) {fModuleID = 11; fCoord1=1;}
    else if ((fADC==1)&&(seq==0)) {fModuleID = 11; fCoord1=0;}
    else if ((fADC==1)&&(seq==1)) {fModuleID = 10; fCoord1=0;}
  }
  // ADModule 6 -> layer 6
  // fCoord1 is set according to the cabling map
  else if(fADModule==6) {
    if ((fADC==0)&&(seq==0)) {fModuleID = 12; fCoord1=0;}
    else if ((fADC==0)&&(seq==1)) {fModuleID = 13; fCoord1=0;}
    else if ((fADC==1)&&(seq==0)) {fModuleID = 13; fCoord1=1;}
    else if ((fADC==1)&&(seq==1)) {fModuleID = 12; fCoord1=1;}
  }

  fSignal    = (fData & 0x00000FFF);

  if(fSignal>=2048) fSignal-=4096;

  return kTRUE;
}