How To Log Results - Agilent Technologies 8163A Programming Manual

How to Log Results

Agilent 8163A/B, 8164A/B & 8166A/B Mainframes, Fifth Edition

How to Log Results

This example demonstrates how to use logging functions.
Install a Power Sensor in Slot 1, before executing this example.
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <visa.h>
#define MAX_LOG_VALUES 4000 /* max number of values the
instrument is able to log */
#define HEADER_SIZE
/* function prototypes for this examples/*
/* function for a simple error handling explained in example 1 */
void checkError(ViStatus session, ViStatus err_status );
/* initialize the visa interface */
ViStatus InitVisa ( ViSession *iHandle);
/*globals*/
static unsigned char logBuffer[MAX_LOG_VALUES * sizeof(ViReal64) +
HEADER_SIZE];
/*array for the float results */
static ViReal32 logResults[MAX_LOG_VALUES];
void main (void)
{
ViStatus errStatus;
ViSession vi;
ViChar replyBuf[256]; /* buffer holding answers from the
instrument */
ViChar c;
ViInt32 slot;
plugged */
ViInt32 chan;
ViInt32 i;
ViInt32 noOfValues;
ViReal64 averagingTime; /* aveaging time used in a logging cycle
*/
ViPChar replySubStr;
instruments reply */
VISA Programming Examples
7 /* includes 6 bytes header and 1 CR */
/* returned error code from visa call */
/* current session handle */
/* used in the keyboard wait loop */
/* slot number where the power meter is
/* channel to be logged */
/* loop counter */
/* number of values to be logged*/
/* pointer to a substring of the
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