How To Measure Power Using Fetch And Read - Agilent Technologies 8163A Programming Manual

How to Measure Power using FETCh and READ

/* close the session */
viClose(vi);
}
void checkError(ViSession session, ViStatus err_status )
{
ViStatus error;
ViChar errMsg[256];
error = viQueryf(session,"SYST:ERR?\n","%t",errMsg);
if (error == VI_ERROR_TMO)
{
printf("System Error!\n") ;
exit(1);
}
else
{
/* only errors should be displayed */
if(errMsg[0] != '+')
printf("error:%ld --> %s\n", err_status,errMsg) ;
}
}
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <visa.h>
/* function prototypes for this examples */
/* function for a simple error handling explained in example 1 */
Agilent 8163A Lightwave Multimeter, Agilent 8164A Lightwave Measurement System, & Agilent 8166A Lightwave Multichannel
System, Third Edition
How to Measure Power using
FETCh and READ
The example shows the difference between a "FETCh" and a "READ"
command.
Install a power meter in Slot 1, before executing this example.
VISA Programming Examples
139