tq_wdg.h

浏览该文件的文档.

#ifndef _TQ_WDG_H_
#define _TQ_WDG_H_

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

struct watchdog_info
{
    unsigned int options;          
    unsigned int firmware_version; 
    unsigned char identity[32];    
};
#define ERROR_OK 0                 
#define ERROR_NOSUPPORT -1         

#define WATCHDOG_IOCTL_BASE 'W'    
#define WDIOC_GETSUPPORT _IOR(WATCHDOG_IOCTL_BASE, 0, struct watchdog_info) 
#define WDIOC_SETTIMEOUT _IOWR(WATCHDOG_IOCTL_BASE, 6, int)                 
#define WDIOC_GETTIMEOUT _IOR(WATCHDOG_IOCTL_BASE, 7, int)                  
#define WDIOS_DISABLECARD 0x0001                                            
#define WDIOS_ENABLECARD 0x0002                                             
#define WDIOC_SETOPTIONS _IOR(WATCHDOG_IOCTL_BASE, 4, int)                  
#define WDIOC_KEEPALIVE _IOR(WATCHDOG_IOCTL_BASE, 5, int)                   
#ifdef __cplusplus
extern "C"
{
#endif

    int EnableWtd(int TimeOut_s);

    int FeedWtd(int fd);

    int DisableWtd(int fd);
#ifdef __cplusplus
}
#endif
#endif