ST STM32F2

HAL RTC Extension Driver
UM1940
494/1371
DocID028236 Rev 2
Parameters
hrtc: pointer to a RTC_HandleTypeDef structure that
contains the configuration information for RTC.
Return values
HAL: status
HAL_RTCEx_DeactivateRefClock
Function name
HAL_StatusTypeDef HAL_RTCEx_DeactivateRefClock
(RTC_HandleTypeDef * hrtc)
Function description
Disable the RTC reference clock detection.
Parameters
hrtc: pointer to a RTC_HandleTypeDef structure that
contains the configuration information for RTC.
Return values
HAL: status
HAL_RTCEx_AlarmBEventCallback
Function name
void HAL_RTCEx_AlarmBEventCallback
(RTC_HandleTypeDef * hrtc)
Function description
Alarm B callback.
Parameters
hrtc: pointer to a RTC_HandleTypeDef structure that
contains the configuration information for RTC.
Return values
None:
HAL_RTCEx_PollForAlarmBEvent
Function name
HAL_StatusTypeDef HAL_RTCEx_PollForAlarmBEvent
(RTC_HandleTypeDef * hrtc, uint32_t Timeout)
Function description
This function handles AlarmB Polling request.
Parameters
hrtc: pointer to a RTC_HandleTypeDef structure that
contains the configuration information for RTC.
Timeout: Timeout duration
Return values
HAL: status
40.3 RTCEx Firmware driver defines
40.3.1 RTCEx
RTC Backup Registers Definitions
RTC_BKP_DR0
RTC_BKP_DR1
RTC_BKP_DR2
RTC_BKP_DR3
RTC_BKP_DR4
RTC_BKP_DR5
RTC_BKP_DR6