HP 132A Manual de usuario descargar pdf (Pagina 160)

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101

Chapter 3 Programming Your Universal Counter for Remote Operation

Programming Examples

3-92 Programming Guide

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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HP 132A Manual de usuario Pagina 160

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