ICOP VDX2 WD2 Linux

realy working  WDT1 Linux Example for ICOP Vortex86, оказалочь что в примере инструкции небольшая синтаксическая ошибка в определении define outport, да еще  kbhit характерна только для старого доброго DOS, хорошо что все рашаемо:

=========== wd2.c ====

#include <stdio.h>
#include <curses.h>
#include <sys/io.h>
#include <sys/select.h>

#define outp(a,b) outb(b,a)
#define inp(a) inb(a)

int kbhit(void)
{
  struct timeval tv;
  fd_set read_fd;
  /* Do not wait at all, not even a microsecond */
  tv.tv_sec=0;
  tv.tv_usec=0;
  /* Must be done first to initialize read_fd */
  FD_ZERO(&read_fd);
  /* Makes select() ask if input is ready:
   * 0 is the file descriptor for stdin    */
  FD_SET(0,&read_fd);
  /* The first parameter is the number of the
   * largest file descriptor to check + 1. */
  if(select(1, &read_fd,NULL, /*No writes*/NULL, /*No exceptions*/&tv) == -1)
    return 0;  /* An error occured */
  /*  read_fd now holds a bit map of files that are
   * readable. We test the entry for the standard
   * input (file 0). */
if(FD_ISSET(0,&read_fd))
    /* Character pending on stdin */
    return 1;
  /* no characters were pending */
  return 0;
}
 
int main(void)
{
iopl(3);
unsigned char c;
unsigned long lTime;
// 500 mini-second
//lTime = 0x20L * 500L;
lTime = 0x20L * 512000L;
outp(0x6c, (lTime >> 16) & 0xff);
outp(0x6b, (lTime >> 8) & 0xff);
outp(0x6a, (lTime >> 0) & 0xff);
// Reset system. For example, 0x50 to trigger IRQ7
outp(0x69, 0xd0);
// Enable watchdog timer
c = inp(0x68);
c |= 0x40;
outp(0x68, c);
printf("Press any key to stop trigger timer.\n");
while(!kbhit())
outp(0x67, 0x00);
printf("System will reboot after 500 milli-seconds.\n");
return 0;
}

=========== gcc -Wall wd2.c -o wd2.o

однако программу надо запускать через сервисы, там уже не нужен вывод на экран

попытка №2

1. #include <stdio.h>
2. #include <curses.h>
3. #include <unistd.h>
4. #include <time.h>
5. #include <sys/io.h>
6. #include <sys/select.h>
7.  
8. #define outp(a,b) outb(b,a)
9. #define inp(a) inb(a)
10.  
11. int main(void)
12. {
13. iopl(3);
14. unsigned char c;
15. unsigned long lTime;
16. unsigned int i;
17. i=1;
18. // 500 mini-second
19. //lTime = 0x20L * 500L;
20. lTime = 0x20L * 512000L;
21. outp(0x6c, (lTime >> 16) & 0xff);
22. outp(0x6b, (lTime >> 8) & 0xff);
23. outp(0x6a, (lTime >> 0) & 0xff);
24. // Reset system. For example, 0x50 to trigger IRQ7
25. outp(0x69, 0xd0);
26. // Enable watchdog timer
27. c = inp(0x68);
28. c |= 0x40;
29. outp(0x68, c);
30. while(i!=0){
31. outp(0x67, 0x00);
32. //usleep(10000000);//10 sec
33. //usleep(300000000);//300 sec
34. sleep(300);
35. }
36. return 0;
37. }