Function rt_dm_ida_take

components/drivers/core/dm.c:96–115

* @brief This function will take (force) an id in an IDA object * * @param ida is the IDA object * * @param id is the id that want to take * * @return the result of taking */

 * @return the result of taking
 */
rt_bool_t rt_dm_ida_take(struct rt_dm_ida *ida, int id)
{
    RT_ASSERT(ida != RT_NULL);
    RT_ASSERT(id >= 0);

    rt_spin_lock(&ida->lock);

    if (!rt_bitmap_test_bit(ida->map, id))
    {
        rt_bitmap_set_bit(ida->map, id);
    }
    else
    {
        id = RT_DM_IDA_NUM;
    }

    rt_spin_unlock(&ida->lock);

    return id != RT_DM_IDA_NUM;
}

/**
 * @brief This function will release an id in an IDA object