Lanner LEC-3012 - Manual (Page 30)

30
Programming the Status LED
Appendix B
Embedded and Industrial Computing
#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/sled_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
#endif
/* local include file */
#include “../include/ioaccess.h”
int main( int argc, char** argv )
{
int devfd;
int value, ret;
#if ( defined(DIRECT_IO_ACCESS) && !defined(DJGPP) )
#if (defined(LINUX_ENV))
iopl(3);
#endif
#if (defined(FreeBSD_ENV))
int iofl;
SET_IOPL();
#endif
#endif
fprintf(stdout, “=== Lanner platform
miscellaneous utility ===\n”);;
fprintf(stdout, PLATFORM_NAME” Status LED
“CODE_VERSION”\n\n”);;
#ifdef DIRECT_IO_ACCESS
sled_gpio_init();
printf(“Led status 1 for 4 seconds... \n”);
set_led_status_1();