SmartPDCode/485/src/main.c

#include <stdio.h>
#include <pthread.h>

#include "common.h"
#include "modbus_handle.h"
#include "sqlite_handle.h"

#include "list.h"
#include "switch_ctrl.h"
#include "app.h"
#include "shell.h"



#include <linux/watchdog.h>

#include "errno.h"

#include "fcntl.h"




static int wdog_fd=-1;

static int wdog_init(void)
{
    int r =0;
    char *path="/dev/watchdog";
    if(wdog_fd<0) {
        wdog_fd = open(path, O_RDWR);   //O_WRONLY
        log_d("wdog_fd = %d\n",wdog_fd);
        if(wdog_fd<0) {
            printf("___ %s open failed\n", path);
            return -1;
        }
    }

    int i,option,timeout;
    struct watchdog_info info;
    
    option = WDIOS_DISABLECARD;
    r = ioctl(wdog_fd, WDIOC_SETOPTIONS, &option);

    r = ioctl(wdog_fd, WDIOC_GETSUPPORT, &info);
    if(r<0) {
        printf("___ %s getsupport failed\n", path);
        return -1;
    }
    printf("___ watchdog options: 0x%x\n", info.options&WDIOC_SETTIMEOUT);

    timeout = 40;
    r = ioctl(wdog_fd, WDIOC_SETTIMEOUT, &timeout);
    if(r) {
        printf("______set__________ wdog set timeout: %d failed, errno: %d\n", timeout, errno);
    }

    option = WDIOS_ENABLECARD;
    r = ioctl(wdog_fd, WDIOC_SETOPTIONS, &option);

//    }

return r;
}

static int wdog_feed(void)
{
    int r=0;

    //if(wdog_is_en()) {
        r = ioctl(wdog_fd, WDIOC_KEEPALIVE, 0);

        //int t1=200,t2=0;
        //r = ioctl(wdog_fd, WDIOC_SETTIMEOUT, &t1);
        //printf("______set__________ wdog timeout: %d, errno: %d\n", r, errno);
        
        //r = ioctl(wdog_fd, WDIOC_GETTIMEOUT, &t2);
        //printf("________________ wdog timeout: %d\n", t2);
    //}

    return r;
}

void * _global_feed_dog(void* arg)
{
    while(1)
    {
        wdog_feed();
        sleep(1);
    }
    pthread_exit(NULL);
}



//主函数
int main(int argc,char* argv[])
{
    pthread_t pthread_wg = 0;
    initLogger();
    wdog_init();
    pthread_create(&pthread_wg, NULL, _global_feed_dog, NULL);

    //初始化系统
    _global_device_manage_init(&__globalDeviceManage);

    return 0;
}