WebDec 22, 2024 · SHFP=0) when PREDIV_S >= SS. You must call HAL_RTC_GetDate () after HAL_RTC_GetTime () to unlock the values in the higher-order calendar shadow registers to ensure consistency between the time and date values. Reading RTC current time locks the values in calendar shadow registers until current date is read. WebFeb 3, 2024 · 在使用STM32芯片的RTC日历功能时,偶尔有人反映读取日历时间不动、不更新甚至说RTC不运行的情况。. 前不久就有人反馈,说STM32F4和STM32L4的RTC脱机 …
STM32 REAL TIME CLOCK (RTC TUTORIAL) WITH HAL - YouTube
WebJul 29, 2024 · 版权. h7的HAL 1.8.0版本库 和1.7.0的版本都存在RTC 退出去的情况 当外部晶振不起振会出现在RTC函数出不来的情况. H7的RTC有bug的地方. 没改动之前的代码. 这 … WebA backup domain reset is generated when one of the following events occurs: (#) Software reset, triggered by setting the BDRST bit in the. RCC Backup domain control register (RCC_BDCR). (#) VDD or VBAT power on, if both supplies have previously been powered off. (#) Tamper detection event resets all data backup registers. new york law self defense
STM32のRTCの落とし穴 - 滴了庵日録
WebJan 13, 2024 · 思路重新回到软件上. 结合F103的资料对程序代码重新做细致分析,RTC的驱动程序是符合资料要做的操作流程。. 分析1:芯片时钟初始化时可能出现了对RTC寄存器计数器值的影响;. 分析2:RTC被其他初始化函数影响;. 修改办法:将RTC初始化函数放置到 … WebDec 22, 2024 · HAL_LockTypeDef RTC_HandleTypeDef::Lock. RTC locking object. Definition at line 184 of file stm32f4xx_hal_rtc.h. Referenced by HAL_RTC_Init (). __IO HAL_RTCStateTypeDef RTC_HandleTypeDef::State. Time communication state. Definition at line 186 of file stm32f4xx_hal_rtc.h. WebDec 22, 2024 · 程序中使用HAL_RTC_GetTime(),HAL_RTC_GetDate()读取时间和日期,并保存到结构体变量中,然后通过串口输出读取的时间和日期。 例程测试正常: RTC … military academy in washington dc