CbmPsdAddress.h

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#ifndef CBMPSDADDRESS_H
#define CBMPSDADDRESS_H 1
 
#include "CbmDefs.h"     // for ECbmModuleId::kPsd
#include <RtypesCore.h>  // for UInt_t, Int_t
#include <cassert>       // for assert
 
class CbmPsdAddress {
public:
  static UInt_t GetAddress(Int_t moduleId, Int_t sectionId) {
    assert(!(moduleId < 0 || moduleId > fgkModuleIdLength || sectionId < 0
             || sectionId > fgkSectionIdLength));
    return (ToIntegralType(ECbmModuleId::kPsd) << fgkSystemIdShift)
           | (moduleId << fgkModuleIdShift) | (sectionId << fgkSectionIdShift);
  }
 
  static UInt_t GetSystemId(UInt_t address) {
    return (address & (fgkSystemIdLength << fgkSystemIdShift))
           >> fgkSystemIdShift;
  }
 
  static UInt_t GetModuleId(UInt_t address) {
    return (address & (fgkModuleIdLength << fgkModuleIdShift))
           >> fgkModuleIdShift;
  }
 
  static UInt_t GetSectionId(UInt_t address) {
    return (address & (fgkSectionIdLength << fgkSectionIdShift))
           >> fgkSectionIdShift;
  }
 
  static UInt_t SetModuleId(UInt_t address, Int_t newModuleId) {
    assert(!(newModuleId < 0 || newModuleId > fgkModuleIdLength));
    return GetAddress(newModuleId, GetSectionId(address));
  }
 
  static UInt_t SetSectionId(UInt_t address, Int_t newSectionId) {
    assert(!(newSectionId < 0 || newSectionId > fgkSectionIdLength));
    return GetAddress(GetModuleId(address), newSectionId);
  }
 
 
private:
  // Length of the index of the corresponding volume
  static const Int_t fgkSystemIdLength  = 15;  // 2^4 - 1
  static const Int_t fgkModuleIdLength  = 63;  // 2^6 - 1
  static const Int_t fgkSectionIdLength = 31;  // 2^5 - 1
 
  // Number of a start bit for each volume
  static const Int_t fgkSystemIdShift  = 0;
  static const Int_t fgkModuleIdShift  = 4;
  static const Int_t fgkSectionIdShift = 10;
};
 
#endif