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12b7634c
编写于
9月 26, 2018
作者:
G
guozhanxin
浏览文件
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电子邮件补丁
差异文件
[components][drivers][pwm] Add rt_pwm_disable function and API Interface
上级
bc42d5ba
变更
2
隐藏空白更改
内联
并排
Showing
2 changed file
with
78 addition
and
21 deletion
+78
-21
components/drivers/include/drivers/rt_drv_pwm.h
components/drivers/include/drivers/rt_drv_pwm.h
+8
-1
components/drivers/misc/rt_drv_pwm.c
components/drivers/misc/rt_drv_pwm.c
+70
-20
未找到文件。
components/drivers/include/drivers/rt_drv_pwm.h
浏览文件 @
12b7634c
...
...
@@ -25,6 +25,9 @@
#ifndef __DRV_PWM_H_INCLUDE__
#define __DRV_PWM_H_INCLUDE__
#include <rtthread.h>
#include <rtdevice.h>
#define PWM_CMD_ENABLE (128 + 0)
#define PWM_CMD_DISABLE (128 + 1)
#define PWM_CMD_SET (128 + 2)
...
...
@@ -49,6 +52,10 @@ struct rt_device_pwm
const
struct
rt_pwm_ops
*
ops
;
};
extern
rt_err_t
rt_device_pwm_register
(
struct
rt_device_pwm
*
device
,
const
char
*
name
,
const
struct
rt_pwm_ops
*
ops
,
const
void
*
user_data
);
rt_err_t
rt_device_pwm_register
(
struct
rt_device_pwm
*
device
,
const
char
*
name
,
const
struct
rt_pwm_ops
*
ops
,
const
void
*
user_data
);
rt_err_t
rt_pwm_enable
(
struct
rt_device_pwm
*
device
,
int
channel
);
rt_err_t
rt_pwm_disable
(
struct
rt_device_pwm
*
device
,
int
channel
);
rt_err_t
rt_pwm_set
(
struct
rt_device_pwm
*
device
,
int
channel
,
rt_uint32_t
period
,
rt_uint32_t
pulse
);
#endif
/* __DRV_PWM_H_INCLUDE__ */
components/drivers/misc/rt_drv_pwm.c
浏览文件 @
12b7634c
...
...
@@ -24,9 +24,7 @@
#include <string.h>
#include <rtthread.h>
#include <rtdevice.h>
#include <drivers/rt_drv_pwm.h>
static
rt_err_t
_pwm_control
(
rt_device_t
dev
,
int
cmd
,
void
*
args
)
{
...
...
@@ -99,7 +97,6 @@ static rt_size_t _pwm_write(rt_device_t dev, rt_off_t pos, const void *buffer, r
{
return
0
;
}
}
return
size
;
...
...
@@ -128,10 +125,25 @@ rt_err_t rt_device_pwm_register(struct rt_device_pwm *device, const char *name,
return
result
;
}
rt_err_t
rt_pwm_enable
(
int
channel
)
rt_err_t
rt_pwm_enable
(
struct
rt_device_pwm
*
device
,
int
channel
)
{
rt_err_t
result
=
RT_EOK
;
struct
rt_pwm_configuration
configuration
=
{
0
};
if
(
!
device
)
{
return
-
RT_EIO
;
}
configuration
.
channel
=
channel
;
result
=
rt_device_control
(
&
device
->
parent
,
PWM_CMD_ENABLE
,
&
configuration
);
return
result
;
}
rt_err_t
rt_pwm_disable
(
struct
rt_device_pwm
*
device
,
int
channel
)
{
rt_err_t
result
=
RT_EOK
;
struct
rt_device
*
device
=
rt_device_find
(
"pwm"
);
struct
rt_pwm_configuration
configuration
=
{
0
};
if
(
!
device
)
...
...
@@ -140,15 +152,14 @@ rt_err_t rt_pwm_enable(int channel)
}
configuration
.
channel
=
channel
;
result
=
rt_device_control
(
device
,
PWM_CMD_EN
ABLE
,
&
configuration
);
result
=
rt_device_control
(
&
device
->
parent
,
PWM_CMD_DIS
ABLE
,
&
configuration
);
return
result
;
}
rt_err_t
rt_pwm_set
(
int
channel
,
rt_uint32_t
period
,
rt_uint32_t
pulse
)
rt_err_t
rt_pwm_set
(
struct
rt_device_pwm
*
device
,
int
channel
,
rt_uint32_t
period
,
rt_uint32_t
pulse
)
{
rt_err_t
result
=
RT_EOK
;
struct
rt_device
*
device
=
rt_device_find
(
"pwm"
);
struct
rt_pwm_configuration
configuration
=
{
0
};
if
(
!
device
)
...
...
@@ -159,12 +170,11 @@ rt_err_t rt_pwm_set(int channel, rt_uint32_t period, rt_uint32_t pulse)
configuration
.
channel
=
channel
;
configuration
.
period
=
period
;
configuration
.
pulse
=
pulse
;
result
=
rt_device_control
(
device
,
PWM_CMD_SET
,
&
configuration
);
result
=
rt_device_control
(
&
device
->
parent
,
PWM_CMD_SET
,
&
configuration
);
return
result
;
}
#ifdef RT_USING_FINSH
#include <finsh.h>
...
...
@@ -175,33 +185,75 @@ FINSH_FUNCTION_EXPORT_ALIAS(rt_pwm_set, pwm_set, set pwm.);
static
int
pwm_enable
(
int
argc
,
char
**
argv
)
{
int
result
=
0
;
struct
rt_device_pwm
*
device
=
RT_NULL
;
if
(
argc
!=
2
)
if
(
argc
!=
3
)
{
rt_kprintf
(
"Usage: pwm_enable 1
\n
"
);
rt_kprintf
(
"Usage: pwm_enable
pwm1
1
\n
"
);
result
=
-
RT_ERROR
;
goto
_exit
;
}
result
=
rt_pwm_enable
(
atoi
(
argv
[
1
]));
device
=
(
struct
rt_device_pwm
*
)
rt_device_find
(
argv
[
1
]);
if
(
!
device
)
{
result
=
-
RT_EIO
;
goto
_exit
;
}
result
=
rt_pwm_enable
(
device
,
atoi
(
argv
[
2
]));
_exit:
return
result
;
}
MSH_CMD_EXPORT
(
pwm_enable
,
pwm_enable
1
);
MSH_CMD_EXPORT
(
pwm_enable
,
pwm_enable
pwm1
1
);
static
int
pwm_disable
(
int
argc
,
char
**
argv
)
{
int
result
=
0
;
struct
rt_device_pwm
*
device
=
RT_NULL
;
if
(
argc
!=
3
)
{
rt_kprintf
(
"Usage: pwm_enable pwm1 1
\n
"
);
result
=
-
RT_ERROR
;
goto
_exit
;
}
device
=
(
struct
rt_device_pwm
*
)
rt_device_find
(
argv
[
1
]);
if
(
!
device
)
{
result
=
-
RT_EIO
;
goto
_exit
;
}
result
=
rt_pwm_disable
(
device
,
atoi
(
argv
[
2
]));
_exit:
return
result
;
}
MSH_CMD_EXPORT
(
pwm_disable
,
pwm_disable
pwm1
1
);
static
int
pwm_set
(
int
argc
,
char
**
argv
)
{
int
result
=
0
;
struct
rt_device_pwm
*
device
=
RT_NULL
;
if
(
argc
!=
4
)
if
(
argc
!=
5
)
{
rt_kprintf
(
"Usage: pwm_set 1 100 50
\n
"
);
rt_kprintf
(
"Usage: pwm_set
pwm1
1 100 50
\n
"
);
result
=
-
RT_ERROR
;
goto
_exit
;
}
result
=
rt_pwm_set
(
atoi
(
argv
[
1
]),
atoi
(
argv
[
2
]),
atoi
(
argv
[
3
]));
device
=
(
struct
rt_device_pwm
*
)
rt_device_find
(
argv
[
1
]);
if
(
!
device
)
{
result
=
-
RT_EIO
;
goto
_exit
;
}
result
=
rt_pwm_set
(
device
,
atoi
(
argv
[
2
]),
atoi
(
argv
[
3
]),
atoi
(
argv
[
4
]));
_exit:
return
result
;
...
...
@@ -209,6 +261,4 @@ _exit:
MSH_CMD_EXPORT
(
pwm_set
,
pwm_set
1
100
50
);
#endif
/* FINSH_USING_MSH */
#endif
/* RT_USING_FINSH */
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