rt_device_init_all() 导致hard fault on thread: (NULL)

发布于 2014-02-25 18:14:23 浏览：2167 订阅该版

我在lpc1768的板子上做lwip， 启动了UART0，UART2，然后出现如下错误，请问大侠们到底是什么原因导致的？
```  | /
- RT -     Thread Operating System
 / |      1.1.1 build Feb 25 2014
 2006 - 2013 Copyright by rt-thread team
psr: 0x00000000
 pc: 0x00000000
 lr: 0x00000000
r12: 0x00000000
r03: 0x00000000
r02: 0x00000000
r01: 0x00000000
r00: 0x00000000
hard fault on thread: (NULL)
 thread  pri  status      sp     stack size max used   left tick  error
-------- ---- ------- ---------- ---------- ---------- ---------- ---```

```
 rt_err_t rt_device_init_all(void)
{
    struct rt_device *device;
    struct rt_list_node *node;
    struct rt_object_information *information;
    register rt_err_t result;

extern struct rt_object_information rt_object_container[];

information = &rt_object_container[RT_Object_Class_Device];

/* for each device */
    for (node  = information->object_list.next;
         node != &(information->object_list);
         node  = node->next)
    {
        rt_err_t (*init)(rt_device_t dev);
        device = (struct rt_device *)rt_list_entry(node,
                                                   struct rt_object,
                                                   list);

/* get device init handler */
        init = device->init;
        if (init != RT_NULL && !(device->flag & RT_DEVICE_FLAG_ACTIVATED))
        {

result = init(device);   //运行语句时导致的                                                       //运行语句时导致的

if (result != RT_EOK)
            {
                rt_kprintf("To initialize device:%s failed. The error code is %d
",
                           device->parent.name, result);
            }
            else
            {
                device->flag |= RT_DEVICE_FLAG_ACTIVATED;
            }
        }
    }

return RT_EOK;
}
```