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rt-thread
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9a4bd201
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体验新版 GitCode,发现更多精彩内容 >>
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9a4bd201
编写于
4月 04, 2022
作者:
还_没_想_好
提交者:
guo
4月 06, 2022
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差异文件
[drivers][rtc] Optimize execution efficiency
上级
0ef45600
变更
1
隐藏空白更改
内联
并排
Showing
1 changed file
with
38 addition
and
27 deletion
+38
-27
components/drivers/rtc/rtc.c
components/drivers/rtc/rtc.c
+38
-27
未找到文件。
components/drivers/rtc/rtc.c
浏览文件 @
9a4bd201
...
...
@@ -14,7 +14,6 @@
* 2021-07-30 Meco Man move rtc_core.c to rtc.c
*/
#include <sys/time.h>
#include <string.h>
#include <stdlib.h>
#include <rtthread.h>
...
...
@@ -22,6 +21,7 @@
#ifdef RT_USING_RTC
static
rt_device_t
_rtc_device
;
/*
* This function initializes rtc_core
*/
...
...
@@ -145,16 +145,28 @@ rt_err_t rt_hw_rtc_register(rt_rtc_dev_t *rtc,
*/
rt_err_t
set_date
(
rt_uint32_t
year
,
rt_uint32_t
month
,
rt_uint32_t
day
)
{
time_t
now
;
struct
tm
tm_new
;
rt_device_t
device
;
time_t
now
,
old_timestamp
=
0
;
struct
tm
tm_new
=
{
0
};
rt_err_t
ret
=
-
RT_ERROR
;
if
(
_rtc_device
==
RT_NULL
)
{
_rtc_device
=
rt_device_find
(
"rtc"
);
if
(
_rtc_device
==
RT_NULL
)
{
return
-
RT_ERROR
;
}
}
/* get current time */
now
=
time
(
RT_NULL
);
ret
=
rt_device_control
(
_rtc_device
,
RT_DEVICE_CTRL_RTC_GET_TIME
,
&
old_timestamp
);
if
(
ret
!=
RT_EOK
)
{
return
ret
;
}
/* converts calendar time into local time. */
localtime_r
(
&
now
,
&
tm_new
);
localtime_r
(
&
old_timestamp
,
&
tm_new
);
/* update date. */
tm_new
.
tm_year
=
year
-
1900
;
...
...
@@ -164,15 +176,8 @@ rt_err_t set_date(rt_uint32_t year, rt_uint32_t month, rt_uint32_t day)
/* converts the local time into the calendar time. */
now
=
mktime
(
&
tm_new
);
device
=
rt_device_find
(
"rtc"
);
if
(
device
==
RT_NULL
)
{
return
-
RT_ERROR
;
}
/* update to RTC device. */
ret
=
rt_device_control
(
device
,
RT_DEVICE_CTRL_RTC_SET_TIME
,
&
now
);
ret
=
rt_device_control
(
_rtc_device
,
RT_DEVICE_CTRL_RTC_SET_TIME
,
&
now
);
return
ret
;
}
...
...
@@ -187,16 +192,28 @@ rt_err_t set_date(rt_uint32_t year, rt_uint32_t month, rt_uint32_t day)
*/
rt_err_t
set_time
(
rt_uint32_t
hour
,
rt_uint32_t
minute
,
rt_uint32_t
second
)
{
time_t
now
;
struct
tm
tm_new
;
rt_device_t
device
;
time_t
now
,
old_timestamp
=
0
;
struct
tm
tm_new
=
{
0
};
rt_err_t
ret
=
-
RT_ERROR
;
if
(
_rtc_device
==
RT_NULL
)
{
_rtc_device
=
rt_device_find
(
"rtc"
);
if
(
_rtc_device
==
RT_NULL
)
{
return
-
RT_ERROR
;
}
}
/* get current time */
now
=
time
(
RT_NULL
);
ret
=
rt_device_control
(
_rtc_device
,
RT_DEVICE_CTRL_RTC_GET_TIME
,
&
old_timestamp
);
if
(
ret
!=
RT_EOK
)
{
return
ret
;
}
/* converts calendar time into local time. */
localtime_r
(
&
now
,
&
tm_new
);
localtime_r
(
&
old_timestamp
,
&
tm_new
);
/* update time. */
tm_new
.
tm_hour
=
hour
;
...
...
@@ -206,18 +223,12 @@ rt_err_t set_time(rt_uint32_t hour, rt_uint32_t minute, rt_uint32_t second)
/* converts the local time into the calendar time. */
now
=
mktime
(
&
tm_new
);
device
=
rt_device_find
(
"rtc"
);
if
(
device
==
RT_NULL
)
{
return
-
RT_ERROR
;
}
/* update to RTC device. */
ret
=
rt_device_control
(
device
,
RT_DEVICE_CTRL_RTC_SET_TIME
,
&
now
);
ret
=
rt_device_control
(
_rtc_device
,
RT_DEVICE_CTRL_RTC_SET_TIME
,
&
now
);
return
ret
;
}
#ifdef RT_USING_FINSH
#include <finsh.h>
/**
...
...
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