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[STM32][RTC] Add timeval ops for STM32 platform Sub-second timestamp.

This commit is contained in:
armink 2021-09-29 17:58:00 +08:00
parent 816a99d88e
commit 0beb9b3a07
1 changed files with 17 additions and 5 deletions
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22
bsp/stm32/libraries/HAL_Drivers/drv_rtc.c
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@ -38,7 +38,7 @@ RT_WEAK void HAL_RTCEx_BKUPWrite(RTC_HandleTypeDef *hrtc, uint32_t BackupRegiste
return; return;
} }
static time_t get_rtc_timestamp(void) static void get_rtc_timeval(struct timeval *tv)
{ {
RTC_TimeTypeDef RTC_TimeStruct = {0}; RTC_TimeTypeDef RTC_TimeStruct = {0};
RTC_DateTypeDef RTC_DateStruct = {0}; RTC_DateTypeDef RTC_DateStruct = {0};
@ -54,8 +54,11 @@ static time_t get_rtc_timestamp(void)
tm_new.tm_mon = RTC_DateStruct.Month - 1; tm_new.tm_mon = RTC_DateStruct.Month - 1;
tm_new.tm_year = RTC_DateStruct.Year + 100; tm_new.tm_year = RTC_DateStruct.Year + 100;
LOG_D("get rtc time."); tv->tv_sec = timegm(&tm_new);
return timegm(&tm_new);
#if defined(SOC_SERIES_STM32H7)
tv->tv_usec = (255.0 - RTC_TimeStruct.SubSeconds * 1.0) / 256.0 * 1000.0 * 1000.0;
#endif
} }
static rt_err_t set_rtc_time_stamp(time_t time_stamp) static rt_err_t set_rtc_time_stamp(time_t time_stamp)
@ -243,7 +246,9 @@ RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSI1;
static rt_err_t stm32_rtc_get_secs(void *args) static rt_err_t stm32_rtc_get_secs(void *args)
{ {
*(rt_uint32_t *)args = get_rtc_timestamp(); struct timeval tv;
get_rtc_timeval(&tv);
*(rt_uint32_t *) args = tv.tv_sec;
LOG_D("RTC: get rtc_time %x\n", *(rt_uint32_t *)args); LOG_D("RTC: get rtc_time %x\n", *(rt_uint32_t *)args);
return RT_EOK; return RT_EOK;
@ -262,6 +267,13 @@ static rt_err_t stm32_rtc_set_secs(void *args)
return result; return result;
} }
static rt_err_t stm32_rtc_get_timeval(void *args)
{
get_rtc_timeval((struct timeval *) args);
return RT_EOK;
}
static const struct rt_rtc_ops stm32_rtc_ops = static const struct rt_rtc_ops stm32_rtc_ops =
{ {
stm32_rtc_init, stm32_rtc_init,
@ -269,7 +281,7 @@ static const struct rt_rtc_ops stm32_rtc_ops =
stm32_rtc_set_secs, stm32_rtc_set_secs,
RT_NULL, RT_NULL,
RT_NULL, RT_NULL,
RT_NULL, stm32_rtc_get_timeval,
RT_NULL, RT_NULL,
}; };