From 5fb6cb8b4159d8913e2b6dcd6d61f3a005204ddc Mon Sep 17 00:00:00 2001
From: malongwei <2544047213@qq.com>
Date: Wed, 1 Sep 2021 19:58:23 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8Dringblk=5Fbuf=E5=9C=A8?=
 =?UTF-8?q?=E4=B8=8D=E4=BD=BF=E7=94=A8=E5=8A=A8=E6=80=81=E5=86=85=E5=AD=98?=
 =?UTF-8?q?=E6=97=B6=E6=8A=A5=E9=94=99=E7=9A=84=E9=97=AE=E9=A2=98?=
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---
 components/drivers/include/ipc/ringblk_buf.h | 5 ++++-
 components/drivers/src/ringblk_buf.c         | 4 ++++
 2 files changed, 8 insertions(+), 1 deletion(-)

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);
diff --git a/components/drivers/src/ringblk_buf.c b/components/drivers/src/ringblk_buf.c
index c6688b3d2b..b966da3d36 100644
--- a/components/drivers/src/ringblk_buf.c
+++ b/components/drivers/src/ringblk_buf.c
@@ -44,6 +44,8 @@ void rt_rbb_init(rt_rbb_t rbb, rt_uint8_t *buf, rt_size_t buf_size, rt_rbb_blk_t
 }
 RTM_EXPORT(rt_rbb_init);
 
+#ifdef RT_USING_HEAP
+
 /**
  * ring block buffer object create
  *
@@ -102,6 +104,8 @@ void rt_rbb_destroy(rt_rbb_t rbb)
 }
 RTM_EXPORT(rt_rbb_destroy);
 
+#endif
+
 static rt_rbb_blk_t find_empty_blk_in_set(rt_rbb_t rbb)
 {
     rt_size_t i;