#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/ioctl.h>
#include <fcntl.h>

#define MOTOR_MAGIC 'L'
#define FEED_DOG _IOW(MOTOR_MAGIC, 0, int)

int main()
{
    int fd, retval;
    int i = 15;
    char cmd;

    fd = open("/dev/qy_watchdog", O_RDWR);
    if (fd < 0)
    {
        perror("Open device watchdog error!\n");
        exit(1);
    }

    while (1)
    {
        sleep(1);
    }
    close(fd);
    return 0;
}