Lanner LEC-2110 Uživatelský manuál stáhnout pdf (Strana 27)

Programming Watchdog Timer

Embedded and Industrial Computing

Appendix A

Watch Dog sample code:

#include “../include/config.h”

#include “../include/version.h”

/* standard include file */

#include <stdio.h>

#include <stdlib.h>

#include <unistd.h>

#ifdef DJGPP

/* For DOS DJGPP */

#include <dos.h>

#include <inlines/pc.h>

#ifndef DIRECT_IO_ACCESS

#error ***Error: define DIRECT_IO_ACCESS in config.h for

DOS ***

#endif

#else

/* For Linux */

#if defined(LINUX_ENV)

#include <sys/io.h>

#endif

#if defined(FreeBSD_ENV)

#define SET_IOPL() (iofl=open(“/dev/io”,000))

#define RESET_IOPL() close(iofl)

#include <machine/cpufunc.h>

#endif

#include <time.h>

#include <stdint.h>

#include <fcntl.h>

#include <errno.h>

#include <string.h>

#include “../include/wd_ioctl.h”

#define delay(x) usleep(x)

#ifdef DIRECT_IO_ACCESS

#warning ***** Note: You build with DIRECT_IO_ACCESS

defined *****

#warning ***** Note: undefine this to build for driver code

*****

#endif

/* local include file */

#include “../include/ioaccess.h”

#ifndef BYPASS_PAIR_NUMBER

#error “You should defined PAIR_NUMBER in include/

config.h”

#endif

#if BYPASS_PAIR_NUMBER == 1

char pair_str[16]=”[1]”;

#endif

#if BYPASS_PAIR_NUMBER == 2

char pair_str[16]=”[1|2]”;

#endif

#if BYPASS_PAIR_NUMBER == 3

char pair_str[16]=”[1|2|3]”;

#endif

#if BYPASS_PAIR_NUMBER == 4

char pair_str[16]=”[1|2|3|4]”;

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