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f9a7b479
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体验新版 GitCode,发现更多精彩内容 >>
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f9a7b479
编写于
5月 29, 2019
作者:
armink_ztl
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电子邮件补丁
差异文件
[DeviceDrivers][i2c] Remove the fm24clxx driver in i2c.
上级
5a3cb253
变更
2
隐藏空白更改
内联
并排
Showing
2 changed file
with
0 addition
and
186 deletion
+0
-186
components/drivers/i2c/fm24clxx.c
components/drivers/i2c/fm24clxx.c
+0
-160
components/drivers/i2c/fm24clxx.h
components/drivers/i2c/fm24clxx.h
+0
-26
未找到文件。
components/drivers/i2c/fm24clxx.c
已删除
100644 → 0
浏览文件 @
5a3cb253
/*
* Copyright (c) 2006-2018, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2017-07-14 aubr.cool 1st version
*/
#include <rtthread.h>
#include <rtdevice.h>
#include "fm24clxx.h"
struct
fm24clxx_device
{
struct
rt_device
parent
;
struct
rt_i2c_bus_device
*
bus
;
};
/* RT-Thread device interface */
static
rt_err_t
fm24clxx_init
(
rt_device_t
dev
)
{
return
RT_EOK
;
}
static
rt_err_t
fm24clxx_open
(
rt_device_t
dev
,
rt_uint16_t
oflag
)
{
return
RT_EOK
;
}
static
rt_err_t
fm24clxx_close
(
rt_device_t
dev
)
{
return
RT_EOK
;
}
static
rt_err_t
fm24clxx_control
(
rt_device_t
dev
,
int
cmd
,
void
*
args
)
{
return
RT_EOK
;
}
static
rt_size_t
fm24clxx_read
(
rt_device_t
dev
,
rt_off_t
pos
,
void
*
buffer
,
rt_size_t
size
)
{
struct
fm24clxx_device
*
fm24clxx
;
const
struct
fm24clxx_config
*
cfg
;
struct
rt_i2c_msg
msg
[
2
];
rt_uint8_t
mem_addr
[
2
]
=
{
0
,};
rt_size_t
ret
=
0
;
RT_ASSERT
(
dev
!=
0
);
fm24clxx
=
(
struct
fm24clxx_device
*
)
dev
;
RT_ASSERT
(
fm24clxx
->
parent
.
user_data
!=
0
);
cfg
=
(
const
struct
fm24clxx_config
*
)
fm24clxx
->
parent
.
user_data
;
if
(
pos
>
cfg
->
size
)
{
return
0
;
}
if
(
pos
+
size
>
cfg
->
size
)
{
size
=
cfg
->
size
-
pos
;
}
msg
[
0
].
addr
=
cfg
->
addr
;
msg
[
0
].
flags
=
cfg
->
flags
|
RT_I2C_WR
;
mem_addr
[
0
]
=
(
pos
>>
8
);
mem_addr
[
1
]
=
(
rt_uint8_t
)
pos
;
msg
[
0
].
buf
=
(
rt_uint8_t
*
)
mem_addr
;
msg
[
0
].
len
=
2
;
msg
[
1
].
addr
=
cfg
->
addr
;
msg
[
1
].
flags
=
cfg
->
flags
|
RT_I2C_RD
;
msg
[
1
].
buf
=
(
rt_uint8_t
*
)
buffer
;
msg
[
1
].
len
=
size
;
ret
=
rt_i2c_transfer
(
fm24clxx
->
bus
,
msg
,
2
);
return
(
ret
==
2
)
?
size
:
0
;
}
static
rt_size_t
fm24clxx_write
(
rt_device_t
dev
,
rt_off_t
pos
,
const
void
*
buffer
,
rt_size_t
size
)
{
struct
fm24clxx_device
*
fm24clxx
;
const
struct
fm24clxx_config
*
cfg
;
struct
rt_i2c_msg
msg
[
2
];
rt_uint8_t
mem_addr
[
2
]
=
{
0
,};
rt_size_t
ret
=
0
;
RT_ASSERT
(
dev
!=
0
);
fm24clxx
=
(
struct
fm24clxx_device
*
)
dev
;
RT_ASSERT
(
fm24clxx
->
parent
.
user_data
!=
0
);
cfg
=
(
const
struct
fm24clxx_config
*
)
fm24clxx
->
parent
.
user_data
;
if
(
pos
>
cfg
->
size
)
{
return
0
;
}
if
(
pos
+
size
>
cfg
->
size
)
{
size
=
cfg
->
size
-
pos
;
}
msg
[
0
].
addr
=
cfg
->
addr
;
msg
[
0
].
flags
=
cfg
->
flags
|
RT_I2C_WR
;
mem_addr
[
0
]
=
(
pos
>>
8
);
mem_addr
[
1
]
=
(
rt_uint8_t
)
pos
;
msg
[
0
].
buf
=
(
rt_uint8_t
*
)
mem_addr
;
msg
[
0
].
len
=
2
;
msg
[
1
].
addr
=
cfg
->
addr
;
msg
[
1
].
flags
=
cfg
->
flags
|
RT_I2C_WR
|
RT_I2C_NO_START
;
msg
[
1
].
buf
=
(
rt_uint8_t
*
)
buffer
;
msg
[
1
].
len
=
size
;
ret
=
rt_i2c_transfer
(
fm24clxx
->
bus
,
msg
,
2
);
return
(
ret
==
2
)
?
size
:
0
;
}
#ifdef RT_USING_DEVICE_OPS
const
static
struct
rt_device
fm24clxx_ops
=
{
fm24clxx_init
,
fm24clxx_open
,
fm24clxx_close
,
fm24clxx_read
,
fm24clxx_write
,
fm24clxx_control
};
#endif
rt_err_t
fm24clxx_register
(
const
char
*
fm_device_name
,
const
char
*
i2c_bus
,
void
*
user_data
)
{
static
struct
fm24clxx_device
fm24clxx_drv
;
struct
rt_i2c_bus_device
*
bus
;
bus
=
rt_i2c_bus_device_find
(
i2c_bus
);
if
(
bus
==
RT_NULL
)
{
return
RT_ENOSYS
;
}
fm24clxx_drv
.
bus
=
bus
;
fm24clxx_drv
.
parent
.
type
=
RT_Device_Class_Block
;
#ifdef RT_USING_DEVICE_OPS
fm24clxx_drv
.
parent
.
ops
=
&
fm24clxx_ops
;
#else
fm24clxx_drv
.
parent
.
init
=
fm24clxx_init
;
fm24clxx_drv
.
parent
.
open
=
fm24clxx_open
;
fm24clxx_drv
.
parent
.
close
=
fm24clxx_close
;
fm24clxx_drv
.
parent
.
read
=
fm24clxx_read
;
fm24clxx_drv
.
parent
.
write
=
fm24clxx_write
;
fm24clxx_drv
.
parent
.
control
=
fm24clxx_control
;
#endif
fm24clxx_drv
.
parent
.
user_data
=
user_data
;
return
rt_device_register
(
&
fm24clxx_drv
.
parent
,
fm_device_name
,
RT_DEVICE_FLAG_RDWR
);
}
\ No newline at end of file
components/drivers/i2c/fm24clxx.h
已删除
100644 → 0
浏览文件 @
5a3cb253
/*
* Copyright (c) 2006-2018, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2017-07-14 aubr.cool 1st version
*/
#ifndef __FM24CLXX_H__
#define __FM24CLXX_H__
#include <rtthread.h>
struct
fm24clxx_config
{
rt_uint32_t
size
;
rt_uint16_t
addr
;
rt_uint16_t
flags
;
};
extern
rt_err_t
fm24clxx_register
(
const
char
*
e2m_device_name
,
const
char
*
i2c_bus
,
void
*
user_data
);
#endif
/*__FM24CLXX_H__*/
\ No newline at end of file
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