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rt-thread-official
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局部变量tm_new未初始化，该结构体变量中的tm_isdst值为栈中残留值，不确定，该值会影响是否使用夏令时，最终表现概率性使用夏令时，出现相差1小时的问题。将其初始化为0，默认不使用夏令时

This commit is contained in:
ifreecoding 2020-05-21 17:13:36 +08:00
parent 19c01e9d5e
commit 76cd1608a7
1 changed files with 1 additions and 1 deletions
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2
bsp/stm32/libraries/HAL_Drivers/drv_rtc.c
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@ -37,7 +37,7 @@ static time_t get_rtc_timestamp(void)
{ {
RTC_TimeTypeDef RTC_TimeStruct = {0}; RTC_TimeTypeDef RTC_TimeStruct = {0};
RTC_DateTypeDef RTC_DateStruct = {0}; RTC_DateTypeDef RTC_DateStruct = {0};
struct tm tm_new; struct tm tm_new = {0};
HAL_RTC_GetTime(&RTC_Handler, &RTC_TimeStruct, RTC_FORMAT_BIN); HAL_RTC_GetTime(&RTC_Handler, &RTC_TimeStruct, RTC_FORMAT_BIN);
HAL_RTC_GetDate(&RTC_Handler, &RTC_DateStruct, RTC_FORMAT_BIN); HAL_RTC_GetDate(&RTC_Handler, &RTC_DateStruct, RTC_FORMAT_BIN);