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Diffstat (limited to 'components/drivers/include/ipc')
-rw-r--r--components/drivers/include/ipc/ringblk_buf.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/components/drivers/include/ipc/ringblk_buf.h b/components/drivers/include/ipc/ringblk_buf.h
index 5b2971b800..df05659f3e 100644
--- a/components/drivers/include/ipc/ringblk_buf.h
+++ b/components/drivers/include/ipc/ringblk_buf.h
@@ -76,9 +76,12 @@ typedef struct rt_rbb *rt_rbb_t;
/* rbb (ring block buffer) API */
void rt_rbb_init(rt_rbb_t rbb, rt_uint8_t *buf, rt_size_t buf_size, rt_rbb_blk_t block_set, rt_size_t blk_max_num);
+rt_size_t rt_rbb_get_buf_size(rt_rbb_t rbb);
+
+#ifdef RT_USING_HEAP
rt_rbb_t rt_rbb_create(rt_size_t buf_size, rt_size_t blk_max_num);
void rt_rbb_destroy(rt_rbb_t rbb);
-rt_size_t rt_rbb_get_buf_size(rt_rbb_t rbb);
+#endif
/* rbb block API */
rt_rbb_blk_t rt_rbb_blk_alloc(rt_rbb_t rbb, rt_size_t blk_size);