HP 132A, 53131A To Make a Frequency Measurement (Turbo C) (Continued)

Chapter 3 Programming Your Universal Counter for Remote Operation

Programming Examples

To Make a Frequency Measurement (Turbo C) (Continued)

for (i=1; i<=samples ;i++)
{
sendhp("INIT");	/* Start a measurement */
sendhp("FETCH:FREQUENCY?");
IOENTERS(ctr,freq,&length);	/* fetch the data */
length=strlen(freq);	/* Get length of result so */
freq[length-1]='\0';	/* the linefeed can be removed */

printf ("Frequency %d = %s Hz\n",i,freq);

}

printf("Press a key to continue\n"); getch();

}

/* Function to send command to HP 53131A */

void sendhp(hpib_cmd) char *hpib_cmd;

{

char hpcmd[80];	/* Variables used by function */
int length;
strcpy(hpcmd,hpib_cmd);
length=strlen(hpcmd);
error=IOOUTPUTS(ctr,hpcmd,length);	/* Send command to HP 53131A */
if (error!=0)

printf("Error during HP-IB: %d Command %s\n",error,hpcmd);

}

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