I'm still trying to get the HP5328B counter to work with GPIB. I don't have
any problems talking, however I can't receive data.
I think the basic (HP/Agilent) hardware/software are ok, with a similar type
of program I am able to send/receive to a 34401 Digital Multimeter.
It "seems" like it should be pretty straight forward to implement but I can't
figure out where I'm going wrong. There is a test oscillator driving the
counter at ~5MHz, The Oscillator drifts a bit, so I can see every time it
captures a new measurement. The counter is not in "talk only mode"
#include <visa.h>
#include <stdio.h>
#include <windows.h>
#include <string.h>
void main () {
ViSession defaultRM, vi;
char buf[25] = {0};
char buf1[25] = {"Press Return to exit"};
/* Open session to GPIB device */
viOpenDefaultRM (&defaultRM);
viOpen (defaultRM, "GPIB0::3::INSTR", VI_NULL,VI_NULL, &vi); //This is
for USB to GPIB adapter
viPrintf(vi, "PF4G6S024R, \n"); // Frequencey
measurement, CH#A, 1Hz res, single measurement,
// Wait to output; Service request at end of meas. Output at end of Measure.
Sleep(2000);
viPrintf(vi, "T, \n"); // Trigger
Sleep(2000);
viScanf(vi, "%t", buf); // read results
printf("DATA string 1: %s\n", buf); // Print results
viClose (vi); // Close session
viClose (defaultRM);
printf(buf1);
gets(buf1); // Program exit after RETURN
}
Thanks to all those who responded last week.
Best regards,
Jerome KC6ENE
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