BmnTrigUnion.h

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#ifndef BMNTRIGUNION_H
#define BMNTRIGUNION_H
 
/**
 * Struct BmnTrigStructPeriod7SetupBMN
 * Struct for trigger logic state
 *
 * for example:
 *  BC1 and BC2 and not VETO and BD>=2 and SI >=3 :
 *  BmnTrigStruct s;
 *  s.BC1 = true;
 *  s.BC2 = true;
 *  s.VETO = true;
 *  s.ThrBD = 2;
 *  s.ThrSI = 3;
 *
 * By default all fields are zero/false.
 * Each zero field means independence on this trigger.
 */
struct __attribute__((packed)) BmnTrigStructPeriod7SetupBMN
{
    bool BC1 : 1;
    bool BC2 : 1;
    bool BC3 : 1;
    bool VETO : 1;   ///<- means not VETO
    UShort_t : 7;    // not used
    bool IsSpecial : 1;
    UShort_t ThrBD : 5;
    UShort_t ThrSI : 5;
    UShort_t : 10;   // not used
};
 
struct __attribute__((packed)) BmnTrigStructPeriod7SetupSRC
{
    bool BC1 : 1;
    bool BC2 : 1;
    bool AntiBC3Hi : 1;
    bool BC3Hi : 1;
    bool VETO : 1;   ///<- means not VETO
    bool X1 : 1;
    bool Y1 : 1;
    bool X1Y1_and_X2Y2 : 1;   ///<- 1 - and, 0 - or
    bool X2 : 1;
    bool Y2 : 1;
    UShort_t : 1;   // not used
    bool IsSpecial : 1;
    UInt_t : 20;   // not used
};
 
struct __attribute__((packed)) BmnTrigStructPeriod6
{
    bool BC1 : 1;
    bool BC2 : 1;
    bool T0 : 1;
    bool VETO : 1;   ///<- means not VETO
    UShort_t : 7;    // not used
    bool IsSpecial : 1;
    UShort_t ThrBD : 5;
    UShort_t : 15;   // not used
};
/** union containing trigger state depending on current experimental setup */
union BmnTrigUnion {
    BmnTrigStructPeriod7SetupBMN Period7BMN;
    BmnTrigStructPeriod7SetupSRC Period7SRC;
    BmnTrigStructPeriod6 Period6;
    UInt_t storage;
    BmnTrigUnion() { memset(this, 0, sizeof(BmnTrigUnion)); }
    BmnTrigUnion(const BmnTrigUnion& v) { this->storage = v.storage; }
    Bool_t isSpecial() { return (storage & (1 << 11)) > 0; }
};
 
#endif /* BMNTRIGUNION_H */