HP E1429A Manuel d'utilisateur télécharger pdf (Page 38)

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101

MEAS.C

/* MEAS.C - This program demonstrates how to take readings using the */

/* digitizer’s MEASure command. In this program, MEASure configures the */

/* digitizer to take 10 readings on the 5V range, using the differential */

/* input port. */

/* Include the following header files */

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include <malloc.h>

#include <cfunc.h> /* This file is from the HP-IB Command Library Disk */

#define ADDR 70905L /* I/O path from PC to the digitizer, via the E1406 */

/* Function Prototypes */

void rst_clr(void);

void ad_meas(void);

void check_error(char *func_tion);

/****************************************************************************/

void main(void) /* run the program */

{

rst_clr(); /* reset the digitizer */

ad_meas(); /* function which configures the digitizer and makes */

/* the measurement */

}

/****************************************************************************/

void ad_meas(void)

{

int i = 0, readings = 10;

float *rdgs;

/* dynamically allocate memory for readings */

rdgs = malloc(10 * sizeof(float));

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HP E1429A Manuel d'utilisateur Page 38

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