csu3_am335x/EVSE/Projects/DD360Audi/Apps/CSU/WatchDog.c.old

#include <stdio.h>      /*標準輸入輸出定義*/
#include <stdlib.h>     /*標準函數庫定義*/
#include <string.h>
#include <stdint.h>

#include "../Config.h"
#include "../Log/log.h"
#include "../Define/define.h"
#include "../ShareMemory/shmMem.h"

//------------------------------------------------------------------------------
static int gWatchDogfd = -1;

//------------------------------------------------------------------------------
void WriteWatchDogState(char *value)
{
    write(gWatchDogfd, value, 1);
}

static int initWatchDog(void)
{
    int fd;
    system("/usr/bin/fuser -k /dev/watchdog");
    sleep(1);
    system("echo V > /dev/watchdog");
    sleep(1);
    fd = open("/dev/watchdog", O_RDWR);

    if (fd <= 0) {
        log_error("System watch dog initial fail.\r\n");
    }

    return fd;
}

void CreateWatchdog(void)
{
    struct SysConfigData *pSysConfig = (struct SysConfigData *)GetShmSysConfigData();
    struct AlarmCodeData *pAlarmCode = (struct AlarmCodeData *)GetShmAlarmCodeData();

    if (pSysConfig->SwitchDebugFlag == NO) {
        gWatchDogfd = initWatchDog();

        if (gWatchDogfd < 0) {
            pAlarmCode->AlarmEvents.bits.CsuInitFailed = 1;
        }
    }
}