BNC 1105 Universal Counter - Manual (Page 189)

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stat = viWrite(sesn, (unsigned char *)("TRAC:DATA OFFSET,5MHz"), 21,
&ret);
/*----------------------------------------------------------------------------------*/
/*------------------------------- Read From Device ------------------------------*/
stat = viWrite(sesn, (unsigned char *)("FETC?"), 5, &ret);
// stat = viWrite(sesn, "READ?", 5, &ret);
// stat = viWrite(sesn, "MEAS:FREQ?", 10, &ret);
// stat = viWrite(sesn, "SENS:DATA?", 10, &ret);
/*----------------------------------------------------------------------------------*/
stat=viRead(sesn,(unsigned char *)readin,128,&ret);
printf ("Read : %s",readin);
stat = viSetAttribute(sesn, VI_ATTR_TMO_VALUE, tmo);
stat = viGpibControlREN(sesn, VI_GPIB_REN_ADDRESS_GTL);
viClose (flist);
viClose (defaultRM);
return 0;
}
Using the Limit to Measurement
Example 6 Limit Modes
// Limit.cpp : Defines the entry point for the console application.
#include "stdafx.h"
#include "visa.h"//include visa32.lib first to the probject.
#define MAX_COUNT 200
#include "stdio.h"
int main(int argc, char* argv[])
{
ViStatus stat; /* For checking errors */
ViSession defaultRM; /* Communication channels */
ViSession sesn; /* Communication channel */
ViChar rsrcName[VI_FIND_BUFLEN]; /* Serial resource name */
ViChar intfDesc[VI_FIND_BUFLEN]; /* Port binding description */
ViUInt32 ret; /* To hold number of resources */