ST STM32F31xx

UM1581
Real-time clock (RTC)
DocID023800 Rev 1
365/584
 RTC_TamperPinsPrechargeDuration()
 RTC_TimeStampOnTamperDetectionCmd()
 RTC_TamperPullUpCmd()
19.2.20 Initialization and Configuration functions
19.2.20.1 RTC_DeInit
Function Name
ErrorStatus RTC_DeInit ( void )
Function Description
Deinitializes the RTC registers to their default reset values.
Parameters
 None.
Return values
 An ErrorStatus enumeration value:
 SUCCESS: RTC registers are deinitialized
 ERROR: RTC registers are not deinitialized
Notes
 This function doesn't reset the RTC Clock source and RTC
Backup Data registers.
19.2.20.2 RTC_Init
Function Name
ErrorStatus RTC_Init ( RTC_InitTypeDef * RTC_InitStruct)
Function Description
Initializes the RTC registers according to the specified parameters
in RTC_InitStruct.
Parameters
 RTC_InitStruct : pointer to a RTC_InitTypeDef structure that
contains the configuration information for the RTC peripheral.
Return values
 An ErrorStatus enumeration value:
 SUCCESS: RTC registers are initialized
 ERROR: RTC registers are not initialized
Notes
 The RTC Prescaler register is write protected and can be
written in initialization mode only.
19.2.20.3 RTC_StructInit