Function rt_pic_dynamic_cast

components/drivers/pic/pic.c:97–125

}

struct rt_pic *rt_pic_dynamic_cast(void *ptr)
{
    struct rt_pic *pic = RT_NULL, *tmp = RT_NULL;

    if (ptr)
    {
        struct rt_object *obj = ptr;

        if (obj->type == RT_Object_Class_Unknown)
        {
            tmp = (void *)obj;
        }
        else if (obj->type == RT_Object_Class_Device)
        {
            tmp = (void *)obj + sizeof(struct rt_device);
        }
        else
        {
            tmp = (void *)obj + sizeof(struct rt_object);
        }

        if (tmp && !rt_strcmp(tmp->parent.name, "PIC"))
        {
            pic = tmp;
        }
    }

    return pic;
}

rt_err_t rt_pic_linear_irq(struct rt_pic *pic, rt_size_t irq_nr)
{