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[drivers][rtc] Optimize execution efficiency

This commit is contained in:
tyx 2022-04-04 23:26:35 +08:00 committed by guo
parent 0ef4560030
commit 9a4bd20149
1 changed files with 38 additions and 27 deletions
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65
components/drivers/rtc/rtc.c
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@ -14,7 +14,6 @@
* 2021-07-30 Meco Man move rtc_core.c to rtc.c * 2021-07-30 Meco Man move rtc_core.c to rtc.c
*/ */
#include <sys/time.h>
#include <string.h> #include <string.h>
#include <stdlib.h> #include <stdlib.h>
#include <rtthread.h> #include <rtthread.h>
@ -22,6 +21,7 @@
#ifdef RT_USING_RTC #ifdef RT_USING_RTC
static rt_device_t _rtc_device;
/* /*
* This function initializes rtc_core * 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) rt_err_t set_date(rt_uint32_t year, rt_uint32_t month, rt_uint32_t day)
{ {
time_t now; time_t now, old_timestamp = 0;
struct tm tm_new; struct tm tm_new = {0};
rt_device_t device;
rt_err_t ret = -RT_ERROR; 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 */ /* 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. */ /* converts calendar time into local time. */
localtime_r(&now, &tm_new); localtime_r(&old_timestamp, &tm_new);
/* update date. */ /* update date. */
tm_new.tm_year = year - 1900; 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. */ /* converts the local time into the calendar time. */
now = mktime(&tm_new); now = mktime(&tm_new);
device = rt_device_find("rtc");
if (device == RT_NULL)
{
return -RT_ERROR;
}
/* update to RTC device. */ /* 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; 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) rt_err_t set_time(rt_uint32_t hour, rt_uint32_t minute, rt_uint32_t second)
{ {
time_t now; time_t now, old_timestamp = 0;
struct tm tm_new; struct tm tm_new = {0};
rt_device_t device;
rt_err_t ret = -RT_ERROR; 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 */ /* 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. */ /* converts calendar time into local time. */
localtime_r(&now, &tm_new); localtime_r(&old_timestamp, &tm_new);
/* update time. */ /* update time. */
tm_new.tm_hour = hour; 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. */ /* converts the local time into the calendar time. */
now = mktime(&tm_new); now = mktime(&tm_new);
device = rt_device_find("rtc");
if (device == RT_NULL)
{
return -RT_ERROR;
}
/* update to RTC device. */ /* 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; return ret;
} }
#ifdef RT_USING_FINSH #ifdef RT_USING_FINSH
#include <finsh.h> #include <finsh.h>
/** /**