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47350505
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体验新版 GitCode,发现更多精彩内容 >>
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47350505
编写于
8月 13, 2019
作者:
T
tangweikang
浏览文件
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浏览文件
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电子邮件补丁
差异文件
[components][drivers] add capture driven framework
上级
3b252d5b
变更
5
隐藏空白更改
内联
并排
Showing
5 changed file
with
262 addition
and
0 deletion
+262
-0
components/drivers/Kconfig
components/drivers/Kconfig
+10
-0
components/drivers/include/drivers/rt_capture.h
components/drivers/include/drivers/rt_capture.h
+61
-0
components/drivers/include/rtdevice.h
components/drivers/include/rtdevice.h
+4
-0
components/drivers/misc/SConscript
components/drivers/misc/SConscript
+3
-0
components/drivers/misc/rt_capture.c
components/drivers/misc/rt_capture.c
+184
-0
未找到文件。
components/drivers/Kconfig
浏览文件 @
47350505
...
@@ -438,6 +438,16 @@ config RT_USING_ENCODER
...
@@ -438,6 +438,16 @@ config RT_USING_ENCODER
bool "Using ENCODER device drivers"
bool "Using ENCODER device drivers"
default n
default n
config RT_USING_CAPTURE
bool "Using CAPTURE device drivers"
default n
if RT_USING_CAPTURE
config RT_CAPTURE_RB_SIZE
int "Set capture rinbuffer size"
default 100
endif
menuconfig RT_USING_WIFI
menuconfig RT_USING_WIFI
bool "Using Wi-Fi framework"
bool "Using Wi-Fi framework"
default n
default n
...
...
components/drivers/include/drivers/rt_capture.h
0 → 100644
浏览文件 @
47350505
/*
* Copyright (c) 2006-2018, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2019-08-13 balanceTWK first version.
*/
#ifndef __RT_CAPTURE_H__
#define __RT_CAPTURE_H__
#include <rtthread.h>
#include <rtdevice.h>
#ifdef __cplusplus
extern
"C"
{
#endif
/* capture control command */
#define CAPTURE_CMD_CLEAR_BUF (128 + 0)
/* clear capture buf */
#define CAPTURE_CMD_SET_WATERMARK (128 + 1)
/* Set the callback threshold */
struct
capture_data_struct
{
rt_bool_t
is_high
;
rt_uint32_t
pulsewidth_us
;
};
struct
rt_capture_device
{
struct
rt_device
parent
;
const
struct
rt_capture_ops
*
ops
;
struct
rt_ringbuffer
*
ringbuff
;
rt_size_t
watermark
;
};
/**
* capture operators
*/
struct
rt_capture_ops
{
rt_err_t
(
*
init
)(
struct
rt_capture_device
*
capture
);
rt_err_t
(
*
open
)(
struct
rt_capture_device
*
capture
);
rt_err_t
(
*
close
)(
struct
rt_capture_device
*
capture
);
rt_err_t
(
*
get_pulsewidth
)(
struct
rt_capture_device
*
capture
,
rt_uint32_t
*
pulsewidth_us
);
};
void
rt_hw_capture_isr
(
struct
rt_capture_device
*
capture
,
rt_bool_t
level
);
rt_err_t
rt_hw_capture_register
(
struct
rt_capture_device
*
capture
,
const
char
*
name
,
rt_uint32_t
flag
,
void
*
data
);
#ifdef __cplusplus
}
#endif
#endif
/* __RT_CAPTURE_H__ */
components/drivers/include/rtdevice.h
浏览文件 @
47350505
...
@@ -130,6 +130,10 @@ extern "C" {
...
@@ -130,6 +130,10 @@ extern "C" {
#include "drivers/encoder.h"
#include "drivers/encoder.h"
#endif
#endif
#ifdef RT_USING_CAPTURE
#include "drivers/rt_capture.h"
#endif
#ifdef __cplusplus
#ifdef __cplusplus
}
}
#endif
#endif
...
...
components/drivers/misc/SConscript
浏览文件 @
47350505
...
@@ -17,6 +17,9 @@ if GetDepend(['RT_USING_PWM']):
...
@@ -17,6 +17,9 @@ if GetDepend(['RT_USING_PWM']):
if
GetDepend
([
'RT_USING_ENCODER'
]):
if
GetDepend
([
'RT_USING_ENCODER'
]):
src
=
src
+
[
'encoder.c'
]
src
=
src
+
[
'encoder.c'
]
if
GetDepend
([
'RT_USING_CAPTURE'
]):
src
=
src
+
[
'rt_capture.c'
]
if
len
(
src
):
if
len
(
src
):
group
=
DefineGroup
(
'DeviceDrivers'
,
src
,
depend
=
[
''
],
CPPPATH
=
CPPPATH
)
group
=
DefineGroup
(
'DeviceDrivers'
,
src
,
depend
=
[
''
],
CPPPATH
=
CPPPATH
)
...
...
components/drivers/misc/rt_capture.c
0 → 100644
浏览文件 @
47350505
/*
* Copyright (c) 2006-2018, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2019-08-13 balanceTWK the first version
*/
#include <rtthread.h>
#include <rtdevice.h>
static
rt_err_t
rt_capture_init
(
struct
rt_device
*
dev
)
{
struct
rt_capture_device
*
capture
;
RT_ASSERT
(
dev
!=
RT_NULL
);
capture
=
(
struct
rt_capture_device
*
)
dev
;
capture
->
watermark
=
RT_CAPTURE_RB_SIZE
/
2
;
if
(
capture
->
ops
->
init
)
{
return
capture
->
ops
->
init
(
capture
);
}
else
{
return
-
RT_ENOSYS
;
}
}
static
rt_err_t
rt_capture_open
(
struct
rt_device
*
dev
,
rt_uint16_t
oflag
)
{
struct
rt_capture_device
*
capture
;
RT_ASSERT
(
dev
!=
RT_NULL
);
capture
=
(
struct
rt_capture_device
*
)
dev
;
if
(
capture
->
ringbuff
==
RT_NULL
)
{
capture
->
ringbuff
=
rt_ringbuffer_create
(
sizeof
(
struct
capture_data_struct
)
*
RT_CAPTURE_RB_SIZE
);
}
if
(
capture
->
ops
->
open
)
{
return
capture
->
ops
->
open
(
capture
);
}
else
{
return
-
RT_ENOSYS
;
}
}
static
rt_err_t
rt_capture_close
(
struct
rt_device
*
dev
)
{
rt_err_t
ret
;
struct
rt_capture_device
*
capture
;
RT_ASSERT
(
dev
!=
RT_NULL
);
ret
=
-
RT_ERROR
;
capture
=
(
struct
rt_capture_device
*
)
dev
;
if
(
capture
->
ops
->
close
)
{
ret
=
capture
->
ops
->
close
(
capture
);
}
else
{
return
-
RT_ENOSYS
;
}
if
(
ret
==
RT_EOK
)
{
if
(
capture
->
ringbuff
)
{
rt_ringbuffer_destroy
(
capture
->
ringbuff
);
capture
->
ringbuff
=
RT_NULL
;
}
}
return
ret
;
}
static
rt_size_t
rt_capture_read
(
struct
rt_device
*
dev
,
rt_off_t
pos
,
void
*
buffer
,
rt_size_t
size
)
{
rt_size_t
receive_size
;
struct
rt_capture_device
*
capture
;
RT_ASSERT
(
dev
!=
RT_NULL
);
capture
=
(
struct
rt_capture_device
*
)
dev
;
receive_size
=
rt_ringbuffer_get
(
capture
->
ringbuff
,
(
rt_uint8_t
*
)
buffer
,
sizeof
(
struct
capture_data_struct
)
*
size
);
return
receive_size
/
sizeof
(
struct
capture_data_struct
);
}
static
rt_err_t
rt_capture_control
(
struct
rt_device
*
dev
,
int
cmd
,
void
*
args
)
{
rt_err_t
result
;
struct
rt_capture_device
*
capture
;
RT_ASSERT
(
dev
!=
RT_NULL
);
result
=
RT_EOK
;
capture
=
(
struct
rt_capture_device
*
)
dev
;
switch
(
cmd
)
{
case
CAPTURE_CMD_CLEAR_BUF
:
rt_ringbuffer_reset
(
capture
->
ringbuff
);
break
;
case
CAPTURE_CMD_SET_WATERMARK
:
capture
->
watermark
=
*
(
rt_size_t
*
)
args
;
break
;
default:
result
=
-
RT_ENOSYS
;
break
;
}
return
result
;
}
#ifdef RT_USING_DEVICE_OPS
const
static
struct
rt_device_ops
capture_ops
=
{
rt_capture_init
,
rt_capture_open
,
rt_capture_close
,
rt_capture_read
,
RT_NULL
,
rt_capture_control
};
#endif
rt_err_t
rt_device_capture_register
(
struct
rt_capture_device
*
capture
,
const
char
*
name
,
void
*
user_data
)
{
struct
rt_device
*
device
;
RT_ASSERT
(
capture
!=
RT_NULL
);
RT_ASSERT
(
capture
->
ops
!=
RT_NULL
);
device
=
&
(
capture
->
parent
);
device
->
type
=
RT_Device_Class_Miscellaneous
;
device
->
rx_indicate
=
RT_NULL
;
device
->
tx_complete
=
RT_NULL
;
#ifdef RT_USING_DEVICE_OPS
device
->
ops
=
&
capture_ops
;
#else
device
->
init
=
rt_capture_init
;
device
->
open
=
rt_capture_open
;
device
->
close
=
rt_capture_close
;
device
->
read
=
rt_capture_read
;
device
->
write
=
RT_NULL
;
device
->
control
=
rt_capture_control
;
#endif
device
->
user_data
=
user_data
;
return
rt_device_register
(
device
,
name
,
RT_DEVICE_FLAG_RDONLY
|
RT_DEVICE_FLAG_STANDALONE
);
}
/* ISR for capture interrupt */
void
rt_hw_capture_isr
(
struct
rt_capture_device
*
capture
,
rt_bool_t
level
)
{
struct
capture_data_struct
data
;
rt_size_t
receive_size
;
if
(
capture
->
ops
->
get_pulsewidth
(
capture
,
&
data
.
pulsewidth_us
)
!=
RT_EOK
)
{
return
;
}
data
.
is_high
=
level
;
rt_ringbuffer_put
(
capture
->
ringbuff
,
(
rt_uint8_t
*
)
&
data
.
pulsewidth_us
,
sizeof
(
rt_uint32_t
));
receive_size
=
rt_ringbuffer_data_len
(
capture
->
ringbuff
);
if
(
receive_size
>=
capture
->
watermark
)
{
/* indicate to upper layer application */
if
(
capture
->
parent
.
rx_indicate
!=
RT_NULL
)
capture
->
parent
.
rx_indicate
(
&
capture
->
parent
,
receive_size
);
}
}
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