DSCCR

Structure containing information on all counters. This is used for functions operating on 82C54 counters (all boards except Quartz-MM).

Structure Definition

typedef struct {

    BYTE control_code;
    BYTE counter_number;
    DWORD counter_data;
    DSCCS counter0;
    DSCCS counter1;
    DSCCS counter2;
    BOOL CtrClock;
    BOOL CtrOutEn;
    BOOL CtrOutPol;
    BOOL CtrCountDir;
    BOOL CtrReload;
    FLOAT Rate;
    BOOL ctrOutWidth;
    BOOL CtrCmd;
    BOOL CtrCmdData;
    FLOAT ActRate;
    BOOL Start;
    BOOL GateEn;
    
} DSCCR;

Structure Members

Name	Description	Applicable Boards
control_code	Control code to write to or read from the control word register	Diamond-MM-16-AT,Diamond-MM-16RP-AT,Diamond-MM-AT,Helix,Onyx-MM,Zeta,Diamond-MM-32DX-AT,Diamond-MM-32X-AT
counter_number	Selected counter, 0-2	Ruby-MM-1616,Diamond-MM-16-AT,Diamond-MM-16RP-AT,Diamond-MM-AT,Helix,Onyx-MM,Zeta,Diamond-MM-32DX-AT,Diamond-MM-32X-AT,Aries,P104-GPIO96,DS-MPE-DAQ0804,DS-MPE-GPIO
counter_data	Counter divisor value, 0-65535	Ruby-MM-1616,Diamond-MM-16-AT,Diamond-MM-16RP-AT,Diamond-MM-AT,Onyx-MM ,Diamond-MM-32DX-AT,Diamond-MM-32X-AT,Aries,P104-GPIO96,Helix,DS-MPE-DAQ0804,DS-MPE-GPIO,Zeta
counter0	Status and data read from counter 0	Diamond-MM-16-AT,Diamond-MM-16RP-AT,Diamond-MM-AT,Onyx-MM
counter1	Status and data read from counter 1	Diamond-MM-16-AT,Diamond-MM-16RP-AT,Diamond-MM-AT,Onyx-MM
counter2	Status and data read from counter 2	Diamond-MM-16-AT,Diamond-MM-16RP-AT,Diamond-MM-AT,Onyx-MM
CtrClock	Clock source	Ruby-MM-1616,Aries,Helix,DS-MPE-DAQ0804,DS-MPE-GPIO,Zeta,P104-GPIO96
CtrOutEn	Enable and disable output onto corresponding I/O pin	Ruby-MM-1616,Aries,P104-GPIO96,DS-MPE-DAQ0804,DS-MPE-GPIO,Helix,DS-MPE-GPIO,Zeta
CtrOutPol	Output pulses high or low only used if CtrOutEn = 1	Ruby-MM-1616,Aries,DS-MPE-DAQ0804,DS-MPE-GPIO,Helix,Zeta
CtrCountDir	Setting counter direction	Ruby-MM-1616,P104-GPIO96,Helix,DS-MPE-DAQ0804,Zeta,Aries,DS-MPE-GPIO
CtrReload	Setting auto reload	Ruby-MM-1616,Helix,DS-MPE-DAQ0804,DS-MPE-GPIO,Zeta,P104-GPIO96,Aries
Rate	Desired output rate, Hz	Aries,P104-GPIO96,DS-MPE-DAQ0804,DS-MPE-GPIO,Helix,Ruby-MM-1616,Zeta
ctrOutWidth	Counter output width in terms of clock	Aries,DS-MPE-DAQ0804,DS-MPE-GPIO,Helix,Zeta
CtrCmd	Counter commands	P104-GPIO96,Aries,Helix,Ruby-MM-1616,Zeta,DS-MPE-DAQ0804
CtrCmdData	Auxiliary data for counter command	Aries,Helix,Ruby-MM-1616,Zeta,DS-MPE-DAQ0804,P104-GPIO96
ActRate	Actual rate resulting from the closest divisor available for the desired rate	Helix,Zeta
Start	To start the counter	Helix,Zeta
GateEn	To enable external gate in RMM1616	Ruby-MM-1616