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2301_76519099
rt-thread
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79ec8895
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rt-thread
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体验新版 GitCode,发现更多精彩内容 >>
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79ec8895
编写于
2月 20, 2021
作者:
H
haocg
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电子邮件补丁
差异文件
DAC little bug
上级
3b003937
变更
1
隐藏空白更改
内联
并排
Showing
1 changed file
with
44 addition
and
22 deletion
+44
-22
bsp/stm32/libraries/HAL_Drivers/drv_dac.c
bsp/stm32/libraries/HAL_Drivers/drv_dac.c
+44
-22
未找到文件。
bsp/stm32/libraries/HAL_Drivers/drv_dac.c
浏览文件 @
79ec8895
...
...
@@ -37,14 +37,45 @@ struct stm32_dac
static
struct
stm32_dac
stm32_dac_obj
[
sizeof
(
dac_config
)
/
sizeof
(
dac_config
[
0
])];
static
rt_uint32_t
stm32_dac_get_channel
(
rt_uint32_t
channel
)
{
rt_uint32_t
stm32_channel
=
0
;
switch
(
channel
)
{
case
1
:
stm32_channel
=
DAC_CHANNEL_1
;
break
;
case
2
:
stm32_channel
=
DAC_CHANNEL_2
;
break
;
default:
RT_ASSERT
(
0
);
break
;
}
return
stm32_channel
;
}
static
rt_err_t
stm32_dac_enabled
(
struct
rt_dac_device
*
device
,
rt_uint32_t
channel
)
{
uint32_t
dac_channel
;
DAC_HandleTypeDef
*
stm32_dac_handler
;
RT_ASSERT
(
device
!=
RT_NULL
);
stm32_dac_handler
=
device
->
parent
.
user_data
;
#if defined(SOC_SERIES_STM32MP1) || defined(SOC_SERIES_STM32H7) || defined(SOC_SERIES_STM32L4) || defined(SOC_SERIES_STM32F4)
HAL_DAC_Start
(
stm32_dac_handler
,
channel
);
if
((
channel
<=
2
)
&&
(
channel
>
0
))
{
/* set stm32 dac channel */
dac_channel
=
stm32_dac_get_channel
(
channel
);
}
else
{
LOG_E
(
"dac channel must be 1 or 2."
);
return
-
RT_ERROR
;
}
HAL_DAC_Start
(
stm32_dac_handler
,
dac_channel
);
#endif
return
RT_EOK
;
...
...
@@ -52,37 +83,28 @@ static rt_err_t stm32_dac_enabled(struct rt_dac_device *device, rt_uint32_t chan
static
rt_err_t
stm32_dac_disabled
(
struct
rt_dac_device
*
device
,
rt_uint32_t
channel
)
{
uint32_t
dac_channel
;
DAC_HandleTypeDef
*
stm32_dac_handler
;
RT_ASSERT
(
device
!=
RT_NULL
);
stm32_dac_handler
=
device
->
parent
.
user_data
;
#if defined(SOC_SERIES_STM32MP1) || defined(SOC_SERIES_STM32H7) || defined(SOC_SERIES_STM32L4) || defined(SOC_SERIES_STM32F4)
HAL_DAC_Stop
(
stm32_dac_handler
,
channel
);
if
((
channel
<=
2
)
&&
(
channel
>
0
))
{
/* set stm32 dac channel */
dac_channel
=
stm32_dac_get_channel
(
channel
);
}
else
{
LOG_E
(
"dac channel must be 1 or 2."
);
return
-
RT_ERROR
;
}
HAL_DAC_Stop
(
stm32_dac_handler
,
dac_channel
);
#endif
return
RT_EOK
;
}
static
rt_uint32_t
stm32_dac_get_channel
(
rt_uint32_t
channel
)
{
rt_uint32_t
stm32_channel
=
0
;
switch
(
channel
)
{
case
1
:
stm32_channel
=
DAC_CHANNEL_1
;
break
;
case
2
:
stm32_channel
=
DAC_CHANNEL_2
;
break
;
default:
RT_ASSERT
(
0
);
break
;
}
return
stm32_channel
;
}
static
rt_err_t
stm32_set_dac_value
(
struct
rt_dac_device
*
device
,
rt_uint32_t
channel
,
rt_uint32_t
*
value
)
{
uint32_t
dac_channel
;
...
...
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