CbmStsDigi.cxx

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#include "CbmStsDigi.h"
 
#include "FairLogger.h"
 
 
// -----   Bit fields for charge and time stamp   --------------------------
const Int_t CbmStsDigi::fgkCharBits = 12;   // in data0
const Int_t CbmStsDigi::fgkTimeBits = 14;   // in data1
const Int_t CbmStsDigi::fgkAddrBits = 
  CbmStsDigi::fgkStatBits +
  CbmStsDigi::fgkSectBits +
  CbmStsDigi::fgkSideBits + 
  CbmStsDigi::fgkChanBits;
// -------------------------------------------------------------------------
 
 
 
// -----   Bit shift for charge and time stamp   ---------------------------
const Int_t CbmStsDigi::fgkCharShift = CbmStsDigi::fgkAddrBits;
const Int_t CbmStsDigi::fgkTimeShift = CbmStsDigi::fgkCharShift + CbmStsDigi::fgkCharBits;
// -------------------------------------------------------------------------
 
 
 
// -----   Bit masks for charge and time stamp   ---------------------------
const Long64_t CbmStsDigi::fgkAddrMask = (1 << CbmStsDigi::fgkAddrBits) - 1;
const Long64_t CbmStsDigi::fgkCharMask = (1 << CbmStsDigi::fgkCharBits) - 1;
const Long64_t CbmStsDigi::fgkTimeMask = (1 << CbmStsDigi::fgkTimeBits) - 1;
// -------------------------------------------------------------------------
 
 
 
 
 
 
// -----   Default constructor   -------------------------------------------
CbmStsDigi::CbmStsDigi() 
  : FairMultiLinkedData(),
    CbmStsDetectorId(), 
    fData(0) 
{
}
// -------------------------------------------------------------------------
 
 
 
// -----   Standard constructor   ------------------------------------------
// CbmStsDigi::CbmStsDigi(Int_t station, Int_t sector, Int_t side, 
//           Int_t channel, Int_t adc, Int_t time) 
//   : FairMultiLinkedData(),
//     CbmStsDetectorId(), 
//     fData(0) 
// {
//   AddIndex(index);
//   fData = ( (DetectorId(station, sector, side, channel) >> 4) & fgkAddrMask )
//     | ( (adc  & fgkCharMask) << fgkCharShift )
//     | ( (time & fgkTimeMask) << fgkTimeShift ) ;
//  
// }
// -------------------------------------------------------------------------
CbmStsDigi::CbmStsDigi(Int_t station, Int_t sector, Int_t side, 
           Int_t channel, Int_t adc, Int_t time) 
  : FairMultiLinkedData(),
    CbmStsDetectorId(), 
    fData(0) 
{
//   AddIndex(index,adc);
 
  // Check for ADC range
  if ( adc > GetMaxAdc() ) {
    LOG(warn) << "ADC " << adc << " exceeds ADC range " << GetMaxAdc();
    return;
  }
 
  fData = ( (DetectorId(station, sector, side, channel) >> 4) & fgkAddrMask )
    | ( (adc  & fgkCharMask) << fgkCharShift )
    | ( (time & fgkTimeMask) << fgkTimeShift ) ; 
}
 
// -----   Destructor   ----------------------------------------------------
CbmStsDigi::~CbmStsDigi() { }
// -------------------------------------------------------------------------
 
 
// -----   Add charge   ----------------------------------------------------
void CbmStsDigi::AddAdc(Int_t adc) {
  Int_t maxAdc = (1 << fgkCharBits) - 1;
  Int_t newAdc = GetAdc() + adc;
  if ( newAdc > maxAdc ) newAdc = maxAdc;
  SetAdc(newAdc);
}
// -------------------------------------------------------------------------
 
 
// -----   Set new charge   ------------------------------------------------
void CbmStsDigi::SetAdc(Int_t adc) {
 
  // First set old charge to zero
  fData = fData & ~(fgkCharMask << fgkCharShift);
 
  // Check for ADC range
  if ( adc > GetMaxAdc() ) {
    LOG(warn) << "ADC " << adc << " exceeds ADC range " << GetMaxAdc();
    return;
  }
 
  // Now set new charge
  fData = fData | ( (adc & fgkCharMask) << fgkCharShift );
 
}
// -------------------------------------------------------------------------