Function rt_event_init

src/ipc.c:1788–1808

* @brief The function will initialize a static event object. * * @note For the static event object, its memory space is allocated by the compiler during compiling, * and shall placed on the read-write data segment or on the uninitialized data segment. * By contrast, the rt_event_create() function will allocate memory space automatically * and initialize th

 * @warning  This function can ONLY be called from threads.
 */
rt_err_t rt_event_init(rt_event_t event, const char *name, rt_uint8_t flag)
{
    /* parameter check */
    RT_ASSERT(event != RT_NULL);
    RT_ASSERT((flag == RT_IPC_FLAG_FIFO) || (flag == RT_IPC_FLAG_PRIO));

    /* initialize object */
    rt_object_init(&(event->parent.parent), RT_Object_Class_Event, name);

    /* set parent flag */
    event->parent.parent.flag = flag;

    /* initialize ipc object */
    _ipc_object_init(&(event->parent));

    /* initialize event */
    event->set = 0;
    rt_spin_lock_init(&(event->spinlock));

    return RT_EOK;
}
RTM_EXPORT(rt_event_init);