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42ae1c63
编写于
12月 29, 2013
作者:
B
bernard
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
[Drivers] Add more debug utilities in MTD nand
上级
cb347f5a
变更
1
隐藏空白更改
内联
并排
Showing
1 changed file
with
190 addition
and
0 deletion
+190
-0
components/drivers/mtd/mtd_nand.c
components/drivers/mtd/mtd_nand.c
+190
-0
未找到文件。
components/drivers/mtd/mtd_nand.c
浏览文件 @
42ae1c63
...
...
@@ -93,5 +93,195 @@ rt_err_t rt_mtd_nand_register_device(const char *name,
return
rt_device_register
(
dev
,
name
,
RT_DEVICE_FLAG_RDWR
|
RT_DEVICE_FLAG_STANDALONE
);
}
#if defined(RT_MTD_NAND_DEBUG) && defined(RT_USING_FINSH)
#include <finsh.h>
#define __is_print(ch) ((unsigned int)((ch) - ' ') < 127u - ' ')
static
void
mtd_dump_hex
(
const
rt_uint8_t
*
ptr
,
rt_size_t
buflen
)
{
unsigned
char
*
buf
=
(
unsigned
char
*
)
ptr
;
int
i
,
j
;
for
(
i
=
0
;
i
<
buflen
;
i
+=
16
)
{
rt_kprintf
(
"%06x: "
,
i
);
for
(
j
=
0
;
j
<
16
;
j
++
)
if
(
i
+
j
<
buflen
)
rt_kprintf
(
"%02x "
,
buf
[
i
+
j
]);
else
rt_kprintf
(
" "
);
rt_kprintf
(
" "
);
for
(
j
=
0
;
j
<
16
;
j
++
)
if
(
i
+
j
<
buflen
)
rt_kprintf
(
"%c"
,
__is_print
(
buf
[
i
+
j
])
?
buf
[
i
+
j
]
:
'.'
);
rt_kprintf
(
"
\n
"
);
}
}
int
mtd_nandid
(
const
char
*
name
)
{
struct
rt_mtd_nand_device
*
nand
;
nand
=
RT_MTD_NAND_DEVICE
(
rt_device_find
(
name
));
if
(
nand
==
RT_NULL
)
{
rt_kprintf
(
"no nand device found!
\n
"
);
return
-
RT_ERROR
;
}
return
rt_mtd_nand_read_id
(
nand
);
}
FINSH_FUNCTION_EXPORT_ALIAS
(
mtd_nandid
,
nand_id
,
read
ID
-
nandid
(
name
));
int
mtd_nand_read
(
const
char
*
name
,
int
block
,
int
page
)
{
rt_err_t
result
;
rt_uint8_t
*
page_ptr
;
rt_uint8_t
*
oob_ptr
;
struct
rt_mtd_nand_device
*
nand
;
nand
=
RT_MTD_NAND_DEVICE
(
rt_device_find
(
name
));
if
(
nand
==
RT_NULL
)
{
rt_kprintf
(
"no nand device found!
\n
"
);
return
-
RT_ERROR
;
}
page_ptr
=
rt_malloc
(
nand
->
page_size
+
nand
->
oob_size
);
if
(
page_ptr
==
RT_NULL
)
{
rt_kprintf
(
"out of memory!
\n
"
);
return
-
RT_ENOMEM
;
}
oob_ptr
=
page_ptr
+
nand
->
page_size
;
rt_memset
(
page_ptr
,
0xff
,
nand
->
page_size
+
nand
->
oob_size
);
page
=
(
block
+
nand
->
block_start
)
*
nand
->
pages_per_block
+
page
;
result
=
rt_mtd_nand_read
(
nand
,
page
,
page_ptr
,
nand
->
page_size
,
oob_ptr
,
nand
->
oob_size
);
rt_kprintf
(
"read page, rc=%d
\n
"
,
result
);
mtd_dump_hex
(
page_ptr
,
nand
->
page_size
);
mtd_dump_hex
(
oob_ptr
,
nand
->
oob_size
);
rt_free
(
page_ptr
);
return
0
;
}
FINSH_FUNCTION_EXPORT_ALIAS
(
mtd_nand_read
,
nand_read
,
read
page
in
nand
-
nand_read
(
name
,
block
,
page
));
int
mtd_nand_readoob
(
const
char
*
name
,
int
block
,
int
page
)
{
struct
rt_mtd_nand_device
*
nand
;
rt_uint8_t
*
oob_ptr
;
nand
=
RT_MTD_NAND_DEVICE
(
rt_device_find
(
name
));
if
(
nand
==
RT_NULL
)
{
rt_kprintf
(
"no nand device found!
\n
"
);
return
-
RT_ERROR
;
}
oob_ptr
=
rt_malloc
(
nand
->
oob_size
);
if
(
oob_ptr
==
RT_NULL
)
{
rt_kprintf
(
"out of memory!
\n
"
);
return
-
RT_ENOMEM
;
}
page
=
(
block
+
nand
->
block_start
)
*
nand
->
pages_per_block
+
page
;
rt_mtd_nand_read
(
nand
,
page
,
RT_NULL
,
nand
->
page_size
,
oob_ptr
,
nand
->
oob_size
);
mtd_dump_hex
(
oob_ptr
,
nand
->
oob_size
);
rt_free
(
oob_ptr
);
return
0
;
}
FINSH_FUNCTION_EXPORT_ALIAS
(
mtd_nand_readoob
,
nand_readoob
,
read
spare
data
in
nand
-
nand_readoob
(
name
,
block
,
page
));
int
mtd_nand_write
(
const
char
*
name
,
int
block
,
int
page
)
{
rt_err_t
result
;
rt_uint8_t
*
page_ptr
;
rt_uint8_t
*
oob_ptr
;
rt_uint32_t
index
;
struct
rt_mtd_nand_device
*
nand
;
nand
=
RT_MTD_NAND_DEVICE
(
rt_device_find
(
name
));
if
(
nand
==
RT_NULL
)
{
rt_kprintf
(
"no nand device found!
\n
"
);
return
-
RT_ERROR
;
}
page_ptr
=
rt_malloc
(
nand
->
page_size
+
nand
->
oob_size
);
if
(
page_ptr
==
RT_NULL
)
{
rt_kprintf
(
"out of memory!
\n
"
);
return
-
RT_ENOMEM
;
}
oob_ptr
=
page_ptr
+
nand
->
page_size
;
/* prepare page data */
for
(
index
=
0
;
index
<
nand
->
page_size
;
index
++
)
{
page_ptr
[
index
]
=
index
&
0xff
;
}
/* prepare oob data */
for
(
index
=
0
;
index
<
nand
->
oob_size
;
index
++
)
{
oob_ptr
[
index
]
=
index
&
0xff
;
}
page
=
(
block
+
nand
->
block_start
)
*
nand
->
pages_per_block
+
page
;
result
=
rt_mtd_nand_write
(
nand
,
page
,
page_ptr
,
nand
->
page_size
,
oob_ptr
,
nand
->
oob_size
);
if
(
result
!=
RT_MTD_EOK
)
{
rt_kprintf
(
"write page failed!, rc=%d
\n
"
,
result
);
}
rt_free
(
page_ptr
);
return
0
;
}
FINSH_FUNCTION_EXPORT_ALIAS
(
mtd_nand_write
,
nand_write
,
write
dump
data
to
nand
-
nand_write
(
name
,
block
,
page
));
int
mtd_nand_erase
(
const
char
*
name
,
int
block
)
{
struct
rt_mtd_nand_device
*
nand
;
nand
=
RT_MTD_NAND_DEVICE
(
rt_device_find
(
name
));
if
(
nand
==
RT_NULL
)
{
rt_kprintf
(
"no nand device found!
\n
"
);
return
-
RT_ERROR
;
}
block
+=
nand
->
block_start
;
return
rt_mtd_nand_erase_block
(
nand
,
block
);
}
FINSH_FUNCTION_EXPORT_ALIAS
(
mtd_nand_erase
,
nand_erase
,
nand_erase
(
name
,
block
));
int
mtd_nand_erase_all
(
const
char
*
name
)
{
rt_uint32_t
index
=
0
;
struct
rt_mtd_nand_device
*
nand
;
nand
=
RT_MTD_NAND_DEVICE
(
rt_device_find
(
name
));
if
(
nand
==
RT_NULL
)
{
rt_kprintf
(
"no nand device found!
\n
"
);
return
-
RT_ERROR
;
}
for
(
index
=
nand
->
block_start
;
index
<
nand
->
block_end
;
index
++
)
{
rt_mtd_nand_erase_block
(
nand
,
index
);
}
return
0
;
}
FINSH_FUNCTION_EXPORT_ALIAS
(
mtd_nand_erase_all
,
nand_erase_all
,
erase
all
of
nand
device
-
nand_erase_all
(
name
,
block
));
#endif
#endif
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