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path: root/components/drivers/src/ringblk_buf.c
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Diffstat (limited to 'components/drivers/src/ringblk_buf.c')
-rw-r--r--components/drivers/src/ringblk_buf.c4
1 files changed, 4 insertions, 0 deletions
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;