Functions
ErrorStatus	LL_RTC_DeInit (RTC_TypeDef *RTCx)
	De-Initializes the RTC registers to their default reset values.
ErrorStatus	LL_RTC_Init (RTC_TypeDef RTCx, LL_RTC_InitTypeDef RTC_InitStruct)
	Initializes the RTC registers according to the specified parameters in RTC_InitStruct.
void	LL_RTC_StructInit (LL_RTC_InitTypeDef *RTC_InitStruct)
	Set each LL_RTC_InitTypeDef field to default value.
ErrorStatus	LL_RTC_TIME_Init (RTC_TypeDef RTCx, uint32_t RTC_Format, LL_RTC_TimeTypeDef RTC_TimeStruct)
	Set the RTC current time.
void	LL_RTC_TIME_StructInit (LL_RTC_TimeTypeDef *RTC_TimeStruct)
	Set each LL_RTC_TimeTypeDef field to default value (Time = 00h:00min:00sec).
ErrorStatus	LL_RTC_ALARM_Init (RTC_TypeDef RTCx, uint32_t RTC_Format, LL_RTC_AlarmTypeDef RTC_AlarmStruct)
	Set the RTC Alarm.
void	LL_RTC_ALARM_StructInit (LL_RTC_AlarmTypeDef *RTC_AlarmStruct)
	Set each LL_RTC_AlarmTypeDef of ALARM field to default value (Time = 00h:00mn:00sec / Day = 1st day of the month/Mask = all fields are masked).
ErrorStatus	LL_RTC_EnterInitMode (RTC_TypeDef *RTCx)
	Enters the RTC Initialization mode.
ErrorStatus	LL_RTC_ExitInitMode (RTC_TypeDef *RTCx)
	Exit the RTC Initialization mode.
ErrorStatus	LL_RTC_TIME_SetCounter (RTC_TypeDef *RTCx, uint32_t TimeCounter)
	Set the Time Counter.
ErrorStatus	LL_RTC_ALARM_SetCounter (RTC_TypeDef *RTCx, uint32_t AlarmCounter)
	Set Alarm Counter.
ErrorStatus	LL_RTC_WaitForSynchro (RTC_TypeDef *RTCx)
	Waits until the RTC registers are synchronized with RTC APB clock.

Function Documentation

ErrorStatus LL_RTC_ALARM_Init	(	RTC_TypeDef *	RTCx,
		uint32_t	RTC_Format,
		LL_RTC_AlarmTypeDef *	RTC_AlarmStruct
	)

Set the RTC Alarm.

Parameters:

RTCx	RTC Instance
RTC_Format	This parameter can be one of the following values: LL_RTC_FORMAT_BIN LL_RTC_FORMAT_BCD
RTC_AlarmStruct	pointer to a LL_RTC_AlarmTypeDef structure that contains the alarm configuration parameters.

Note:: the user should call LL_RTC_ALARM_StructInit() or the structure of Alarm need to be initialized before Alarm init()

Return values:

An	ErrorStatus enumeration value: SUCCESS: ALARM registers are configured ERROR: ALARM registers are not configured

Definition at line 297 of file stm32f1xx_ll_rtc.c.

References __LL_RTC_CONVERT_BCD2BIN, LL_RTC_AlarmTypeDef::AlarmTime, assert_param, LL_RTC_TimeTypeDef::Hours, IS_LL_RTC_FORMAT, IS_LL_RTC_HOUR24, IS_LL_RTC_MINUTES, IS_LL_RTC_SECONDS, LL_RTC_ALARM_Set(), LL_RTC_EnterInitMode(), LL_RTC_ExitInitMode(), LL_RTC_FORMAT_BIN, LL_RTC_TimeTypeDef::Minutes, and LL_RTC_TimeTypeDef::Seconds.

ErrorStatus LL_RTC_ALARM_SetCounter	(	RTC_TypeDef *	RTCx,
		uint32_t	AlarmCounter
	)

Set Alarm Counter.

Parameters:

RTCx	RTC Instance
AlarmCounter	this value can be from 0 to 0xFFFFFFFF

Return values:

An	ErrorStatus enumeration value: SUCCESS: RTC exited from in Init mode ERROR: Not applicable

Definition at line 467 of file stm32f1xx_ll_rtc.c.

References assert_param, LL_RTC_ALARM_Set(), LL_RTC_EnterInitMode(), and LL_RTC_ExitInitMode().

void LL_RTC_ALARM_StructInit ( LL_RTC_AlarmTypeDef * RTC_AlarmStruct )

Set each LL_RTC_AlarmTypeDef of ALARM field to default value (Time = 00h:00mn:00sec / Day = 1st day of the month/Mask = all fields are masked).

Parameters:

RTC_AlarmStruct pointer to a LL_RTC_AlarmTypeDef structure which will be initialized.

Return values:

None

Definition at line 350 of file stm32f1xx_ll_rtc.c.

References LL_RTC_AlarmTypeDef::AlarmTime, LL_RTC_TimeTypeDef::Hours, LL_RTC_TimeTypeDef::Minutes, and LL_RTC_TimeTypeDef::Seconds.

ErrorStatus LL_RTC_DeInit ( RTC_TypeDef * RTCx )

De-Initializes the RTC registers to their default reset values.

Note:: This function doesn't reset the RTC Clock source and RTC Backup Data registers.

Parameters:

RTCx	RTC Instance

Return values:

An	ErrorStatus enumeration value: SUCCESS: RTC registers are de-initialized ERROR: RTC registers are not de-initialized

Definition at line 96 of file stm32f1xx_ll_rtc.c.

References assert_param, LL_RTC_ClearFlag_RS(), LL_RTC_DisableWriteProtection(), LL_RTC_EnableWriteProtection(), LL_RTC_EnterInitMode(), LL_RTC_ExitInitMode(), LL_RTC_WaitForSynchro(), and LL_RTC_WriteReg.

ErrorStatus LL_RTC_EnterInitMode ( RTC_TypeDef * RTCx )

Enters the RTC Initialization mode.

Parameters:

RTCx	RTC Instance

Return values:

An	ErrorStatus enumeration value: SUCCESS: RTC is in Init mode ERROR: RTC is not in Init mode

Definition at line 365 of file stm32f1xx_ll_rtc.c.

References assert_param, LL_RTC_DisableWriteProtection(), LL_RTC_IsActiveFlag_RTOF(), LL_SYSTICK_IsActiveCounterFlag(), and RTC_INITMODE_TIMEOUT.

Referenced by LL_RTC_ALARM_Init(), LL_RTC_ALARM_SetCounter(), LL_RTC_DeInit(), LL_RTC_Init(), LL_RTC_TIME_Init(), and LL_RTC_TIME_SetCounter().

ErrorStatus LL_RTC_ExitInitMode ( RTC_TypeDef * RTCx )

Exit the RTC Initialization mode.

Note:: When the initialization sequence is complete, the calendar restarts counting after 4 RTCCLK cycles.

Parameters:

RTCx	RTC Instance

Return values:

An	ErrorStatus enumeration value: SUCCESS: RTC exited from in Init mode ERROR: Not applicable

Definition at line 404 of file stm32f1xx_ll_rtc.c.

References assert_param, LL_RTC_EnableWriteProtection(), LL_RTC_IsActiveFlag_RTOF(), LL_SYSTICK_IsActiveCounterFlag(), and RTC_INITMODE_TIMEOUT.

Referenced by LL_RTC_ALARM_Init(), LL_RTC_ALARM_SetCounter(), LL_RTC_DeInit(), LL_RTC_Init(), LL_RTC_TIME_Init(), and LL_RTC_TIME_SetCounter().

ErrorStatus LL_RTC_Init	(	RTC_TypeDef *	RTCx,
		LL_RTC_InitTypeDef *	RTC_InitStruct
	)

Initializes the RTC registers according to the specified parameters in RTC_InitStruct.

Parameters:

RTCx	RTC Instance
RTC_InitStruct	pointer to a LL_RTC_InitTypeDef structure that contains the configuration information for the RTC peripheral.

Note:: The RTC Prescaler register is write protected and can be written in initialization mode only.; the user should call LL_RTC_StructInit() or the structure of Prescaler need to be initialized before RTC init()

Return values:

An	ErrorStatus enumeration value: SUCCESS: RTC registers are initialized ERROR: RTC registers are not initialized

Definition at line 157 of file stm32f1xx_ll_rtc.c.

References assert_param, LL_RTC_InitTypeDef::AsynchPrescaler, IS_LL_RTC_ASYNCH_PREDIV, IS_LL_RTC_CALIB_OUTPUT, LL_RTC_CALIB_OUTPUT_NONE, LL_RTC_ClearFlag_ALR(), LL_RTC_ClearFlag_OW(), LL_RTC_ClearFlag_SEC(), LL_RTC_EnterInitMode(), LL_RTC_ExitInitMode(), LL_RTC_SetAsynchPrescaler(), LL_RTC_SetOutputSource(), LL_RTC_TAMPER_Disable(), LL_RTC_WaitForSynchro(), and LL_RTC_InitTypeDef::OutPutSource.

void LL_RTC_StructInit ( LL_RTC_InitTypeDef * RTC_InitStruct )

Set each LL_RTC_InitTypeDef field to default value.

Parameters:

RTC_InitStruct pointer to a LL_RTC_InitTypeDef structure which will be initialized.

Return values:

None

Definition at line 201 of file stm32f1xx_ll_rtc.c.

References LL_RTC_InitTypeDef::AsynchPrescaler, LL_RTC_CALIB_OUTPUT_NONE, LL_RTC_InitTypeDef::OutPutSource, and RTC_ASYNCH_PRESC_DEFAULT.

ErrorStatus LL_RTC_TIME_Init	(	RTC_TypeDef *	RTCx,
		uint32_t	RTC_Format,
		LL_RTC_TimeTypeDef *	RTC_TimeStruct
	)

Set the RTC current time.

Parameters:

RTCx	RTC Instance
RTC_Format	This parameter can be one of the following values: LL_RTC_FORMAT_BIN LL_RTC_FORMAT_BCD
RTC_TimeStruct	pointer to a RTC_TimeTypeDef structure that contains the time configuration information for the RTC.

Note:: The user should call LL_RTC_TIME_StructInit() or the structure of time need to be initialized before time init()

Return values:

An	ErrorStatus enumeration value: SUCCESS: RTC Time register is configured ERROR: RTC Time register is not configured

Definition at line 222 of file stm32f1xx_ll_rtc.c.

References __LL_RTC_CONVERT_BCD2BIN, assert_param, LL_RTC_TimeTypeDef::Hours, IS_LL_RTC_FORMAT, IS_LL_RTC_HOUR24, IS_LL_RTC_MINUTES, IS_LL_RTC_SECONDS, LL_RTC_EnterInitMode(), LL_RTC_ExitInitMode(), LL_RTC_FORMAT_BIN, LL_RTC_TIME_Set(), LL_RTC_TimeTypeDef::Minutes, and LL_RTC_TimeTypeDef::Seconds.

ErrorStatus LL_RTC_TIME_SetCounter	(	RTC_TypeDef *	RTCx,
		uint32_t	TimeCounter
	)

Set the Time Counter.

Parameters:

RTCx	RTC Instance
TimeCounter	this value can be from 0 to 0xFFFFFFFF

Return values:

An	ErrorStatus enumeration value: SUCCESS: RTC Counter register configured ERROR: Not applicable

Definition at line 441 of file stm32f1xx_ll_rtc.c.

References assert_param, LL_RTC_EnterInitMode(), LL_RTC_ExitInitMode(), and LL_RTC_TIME_Set().

void LL_RTC_TIME_StructInit ( LL_RTC_TimeTypeDef * RTC_TimeStruct )

Set each LL_RTC_TimeTypeDef field to default value (Time = 00h:00min:00sec).

Parameters:

RTC_TimeStruct pointer to a LL_RTC_TimeTypeDef structure which will be initialized.

Return values:

None

Definition at line 275 of file stm32f1xx_ll_rtc.c.

References LL_RTC_TimeTypeDef::Hours, LL_RTC_TimeTypeDef::Minutes, and LL_RTC_TimeTypeDef::Seconds.

ErrorStatus LL_RTC_WaitForSynchro ( RTC_TypeDef * RTCx )

Waits until the RTC registers are synchronized with RTC APB clock.

Note:: The RTC Resynchronization mode is write protected, use the LL_RTC_DisableWriteProtection before calling this function.

Parameters:

RTCx	RTC Instance

Return values:

An	ErrorStatus enumeration value: SUCCESS: RTC registers are synchronised ERROR: RTC registers are not synchronised

Definition at line 494 of file stm32f1xx_ll_rtc.c.

References assert_param, LL_RTC_ClearFlag_RS(), LL_RTC_IsActiveFlag_RS(), LL_SYSTICK_IsActiveCounterFlag(), and RTC_SYNCHRO_TIMEOUT.

Referenced by LL_RTC_DeInit(), and LL_RTC_Init().

Functions

Function Documentation