Agilent Technologies FS2010 Guía de usuario descargar pdf (Pagina 79)

Programming with VISA 3

Agilent VISA User’s Guide 79

/* print the event information */

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

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

vi);

/* get trigger that fired */

viGetAttribute(eventVi, VI_ATTR_RECV_TRIG_ID,

&trigId);

printf("Trigger that fired: ");

switch(trigId){

case VI_TRIG_TTL0:

printf("TTL0");

break;

default:

printf("<other 0x%x>",trigId);

break;

}

printf("\n");

/* close the context before continuing */

viClose(eventVi);

/* get second event */

err=viWaitOnEvent(vi, VI_EVENT_TRIG, 10000,

&eventType, &eventVi);

if(err==VI_ERROR_TMO){

printf("Timeout Occurred! Event not

received.\n");

return;

}

printf("Got second event\n");

/* close the context before continuing */

viClose(eventVi);

/* disable event */

viDisableEvent(vi, VI_EVENT_TRIG, VI_QUEUE);

/* close the sessions */

viClose(vi);

viClose(defaultRM);

}

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Agilent Technologies FS2010 Guía de usuario Pagina 79