Function rt_ringbuffer_create

components/drivers/ipc/ringbuffer.c:425–449

* @brief Create a ring buffer object with a given size. * * @param size The size of the buffer in bytes. * * @return Return a pointer to ring buffer object. When the return value is RT_NULL, it means this creation failed. */

 * @return Return a pointer to ring buffer object. When the return value is RT_NULL, it means this creation failed.
 */
struct rt_ringbuffer *rt_ringbuffer_create(rt_uint32_t size)
{
    struct rt_ringbuffer *rb;
    rt_uint8_t *pool;

    RT_ASSERT(size > 0);

    size = RT_ALIGN_DOWN(size, RT_ALIGN_SIZE);

    rb = (struct rt_ringbuffer *)rt_malloc(sizeof(struct rt_ringbuffer));
    if (rb == RT_NULL)
        goto exit;

    pool = (rt_uint8_t *)rt_malloc(size);
    if (pool == RT_NULL)
    {
        rt_free(rb);
        rb = RT_NULL;
        goto exit;
    }
    rt_ringbuffer_init(rb, pool, size);

exit:
    return rb;
}
RTM_EXPORT(rt_ringbuffer_create);

/**