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体验新版 GitCode,发现更多精彩内容 >>
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74232f2d
编写于
11月 22, 2018
作者:
armink_ztl
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电子邮件补丁
差异文件
[DeviceDriver][rbb] Add some comments and rt_rbb_blk_size/rt_rbb_blk_buf API.
Signed-off-by:
armink
<
armink.ztl@gmail.com
>
上级
8ea5b770
变更
2
显示空白变更内容
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2 changed file
with
39 addition
and
3 deletion
+39
-3
components/drivers/include/ipc/ringblk_buf.h
components/drivers/include/ipc/ringblk_buf.h
+2
-0
components/drivers/src/ringblk_buf.c
components/drivers/src/ringblk_buf.c
+37
-3
未找到文件。
components/drivers/include/ipc/ringblk_buf.h
浏览文件 @
74232f2d
...
...
@@ -84,6 +84,8 @@ rt_size_t rt_rbb_get_buf_size(rt_rbb_t rbb);
rt_rbb_blk_t
rt_rbb_blk_alloc
(
rt_rbb_t
rbb
,
rt_size_t
blk_size
);
void
rt_rbb_blk_put
(
rt_rbb_blk_t
block
);
rt_rbb_blk_t
rt_rbb_blk_get
(
rt_rbb_t
rbb
);
rt_size_t
rt_rbb_blk_size
(
rt_rbb_blk_t
block
);
rt_uint8_t
*
rt_rbb_blk_buf
(
rt_rbb_blk_t
block
);
void
rt_rbb_blk_free
(
rt_rbb_t
rbb
,
rt_rbb_blk_t
block
);
/* rbb block queue API */
...
...
components/drivers/src/ringblk_buf.c
浏览文件 @
74232f2d
...
...
@@ -18,8 +18,10 @@
* @param rbb ring block buffer object
* @param buf buffer
* @param buf_size buffer size
* @param block_set
* @param blk_max_num
* @param block_set block set
* @param blk_max_num max block number
*
* @note When your application need align access, please make the buffer address is aligned.
*/
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
)
{
...
...
@@ -123,6 +125,8 @@ static rt_rbb_blk_t find_empty_blk_in_set(rt_rbb_t rbb)
* @param rbb ring block buffer object
* @param blk_size block size
*
* @note When your application need align access, please make the blk_szie is aligned.
*
* @return != NULL: allocated block
* NULL: allocate failed
*/
...
...
@@ -133,7 +137,7 @@ rt_rbb_blk_t rt_rbb_blk_alloc(rt_rbb_t rbb, rt_size_t blk_size)
rt_rbb_blk_t
head
,
tail
,
new
=
NULL
;
RT_ASSERT
(
rbb
);
RT_ASSERT
(
blk_size
<
1L
<<
24
);
RT_ASSERT
(
blk_size
<
(
1L
<<
24
)
);
level
=
rt_hw_interrupt_disable
();
...
...
@@ -277,6 +281,36 @@ __exit:
}
RTM_EXPORT
(
rt_rbb_blk_get
);
/**
* return the block size
*
* @param block the block
*
* @return block size
*/
rt_size_t
rt_rbb_blk_size
(
rt_rbb_blk_t
block
)
{
RT_ASSERT
(
block
);
return
block
->
size
;
}
RTM_EXPORT
(
rt_rbb_blk_size
);
/**
* return the block buffer
*
* @param block the block
*
* @return block buffer
*/
rt_uint8_t
*
rt_rbb_blk_buf
(
rt_rbb_blk_t
block
)
{
RT_ASSERT
(
block
);
return
block
->
buf
;
}
RTM_EXPORT
(
rt_rbb_blk_buf
);
/**
* free the block
*
...
...
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