Agilent Technologies E2094S Guía de usuario descargar pdf (Pagina 61)

Programming with VISA 3

Agilent VISA User’s Guide 61

printf( "\nStray event of type 0x%lx\n",

eventType );

return VI_SUCCESS;

}

/* print the event information */

printf("\nSRQ Event Occurred!\n");

printf("...Original Device Session = %ld\n",

vi);

/* get the status byte */

viReadSTB(vi, &statusByte);

printf("...Status byte is 0x%x\n",

statusByte);

srqOccurred = 1;

return VI_SUCCESS;

}

void main(){

ViSession defaultRM,vi;

long count;

/* open session to message based VXI device */

viOpenDefaultRM(&defaultRM);

viOpen(defaultRM, "GPIB-VXI0::24::INSTR",

VI_NULL, VI_NULL, &vi);

/* Enable command error events */

viPrintf( vi, "*ESE 32\n" );

/* Enable event register interrupts */

viPrintf( vi, "*SRE 32\n" );

/* install the handler and enable it */

viInstallHandler(vi, VI_EVENT_SERVICE_REQ,

mySrqHdlr,

(ViAddr)10);

viEnableEvent(vi, VI_EVENT_SERVICE_REQ,

VI_HNDLR, VI_NULL);

srqOccurred = 0;

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Agilent Technologies E2094S Guía de usuario Pagina 61