Functions
__STATIC_INLINE void	LL_RTC_SetHourFormat (RTC_TypeDef *RTCx, uint32_t HourFormat)
	Set Hours format (24 hour/day or AM/PM hour format)
__STATIC_INLINE uint32_t	LL_RTC_GetHourFormat (RTC_TypeDef *RTCx)
	Get Hours format (24 hour/day or AM/PM hour format)
__STATIC_INLINE void	LL_RTC_SetAlarmOutEvent (RTC_TypeDef *RTCx, uint32_t AlarmOutput)
	Select the flag to be routed to RTC_ALARM output.
__STATIC_INLINE uint32_t	LL_RTC_GetAlarmOutEvent (RTC_TypeDef *RTCx)
	Get the flag to be routed to RTC_ALARM output.
__STATIC_INLINE void	LL_RTC_SetAlarmOutputType (RTC_TypeDef *RTCx, uint32_t Output)
	Set RTC_ALARM output type (ALARM in push-pull or open-drain output)
__STATIC_INLINE uint32_t	LL_RTC_GetAlarmOutputType (RTC_TypeDef *RTCx)
	Get RTC_ALARM output type (ALARM in push-pull or open-drain output)
__STATIC_INLINE void	LL_RTC_EnablePushPullMode (RTC_TypeDef *RTCx, uint32_t PinMask)
	Enable push-pull output on PC13, PC14 and/or PC15.
__STATIC_INLINE void	LL_RTC_DisablePushPullMode (RTC_TypeDef *RTCx, uint32_t PinMask)
	Disable push-pull output on PC13, PC14 and/or PC15.
__STATIC_INLINE void	LL_RTC_SetOutputPin (RTC_TypeDef *RTCx, uint32_t PinMask)
	Set PC14 and/or PC15 to high level.
__STATIC_INLINE void	LL_RTC_ResetOutputPin (RTC_TypeDef *RTCx, uint32_t PinMask)
	Set PC14 and/or PC15 to low level.
__STATIC_INLINE void	LL_RTC_EnableInitMode (RTC_TypeDef *RTCx)
	Enable initialization mode.
__STATIC_INLINE void	LL_RTC_DisableInitMode (RTC_TypeDef *RTCx)
	Disable initialization mode (Free running mode)
__STATIC_INLINE void	LL_RTC_SetOutputPolarity (RTC_TypeDef *RTCx, uint32_t Polarity)
	Set Output polarity (pin is low when ALRAF/ALRBF/WUTF is asserted)
__STATIC_INLINE uint32_t	LL_RTC_GetOutputPolarity (RTC_TypeDef *RTCx)
	Get Output polarity.
__STATIC_INLINE void	LL_RTC_EnableShadowRegBypass (RTC_TypeDef *RTCx)
	Enable Bypass the shadow registers.
__STATIC_INLINE void	LL_RTC_DisableShadowRegBypass (RTC_TypeDef *RTCx)
	Disable Bypass the shadow registers.
__STATIC_INLINE uint32_t	LL_RTC_IsShadowRegBypassEnabled (RTC_TypeDef *RTCx)
	Check if Shadow registers bypass is enabled or not.
__STATIC_INLINE void	LL_RTC_EnableRefClock (RTC_TypeDef *RTCx)
	Enable RTC_REFIN reference clock detection (50 or 60 Hz)
__STATIC_INLINE void	LL_RTC_DisableRefClock (RTC_TypeDef *RTCx)
	Disable RTC_REFIN reference clock detection (50 or 60 Hz)
__STATIC_INLINE void	LL_RTC_SetAsynchPrescaler (RTC_TypeDef *RTCx, uint32_t AsynchPrescaler)
	Set Asynchronous prescaler factor.
__STATIC_INLINE void	LL_RTC_SetSynchPrescaler (RTC_TypeDef *RTCx, uint32_t SynchPrescaler)
	Set Synchronous prescaler factor.
__STATIC_INLINE uint32_t	LL_RTC_GetAsynchPrescaler (RTC_TypeDef *RTCx)
	Get Asynchronous prescaler factor.
__STATIC_INLINE uint32_t	LL_RTC_GetSynchPrescaler (RTC_TypeDef *RTCx)
	Get Synchronous prescaler factor.
__STATIC_INLINE void	LL_RTC_EnableWriteProtection (RTC_TypeDef *RTCx)
	Enable the write protection for RTC registers.
__STATIC_INLINE void	LL_RTC_DisableWriteProtection (RTC_TypeDef *RTCx)
	Disable the write protection for RTC registers.

Function Documentation

__STATIC_INLINE void LL_RTC_DisableInitMode ( RTC_TypeDef * RTCx )

Disable initialization mode (Free running mode)

Reference Manual to LL API cross reference:: ISR INIT LL_RTC_DisableInitMode

Parameters:

RTCx	RTC Instance

Return values:

None

Definition at line 961 of file stm32f4xx_ll_rtc.h.

Referenced by LL_RTC_DATE_Init(), LL_RTC_ExitInitMode(), LL_RTC_Init(), and LL_RTC_TIME_Init().

__STATIC_INLINE void LL_RTC_DisablePushPullMode	(	RTC_TypeDef *	RTCx,
		uint32_t	PinMask
	)

Disable push-pull output on PC13, PC14 and/or PC15.

Note:: PC13, PC14 and/or PC15 are controlled by the GPIO configuration registers. Consequently PC13, PC14 and/or PC15 are floating in Standby mode.

Reference Manual to LL API cross reference:: TAFCR PC13MODE LL_RTC_DisablePushPullMode
TAFCR PC14MODE LL_RTC_DisablePushPullMode
TAFCR PC15MODE LL_RTC_DisablePushPullMode

Parameters:

RTCx	RTC Instance
PinMask	This parameter can be a combination of the following values: LL_RTC_PIN_PC13 LL_RTC_PIN_PC14 LL_RTC_PIN_PC15

Return values:

None

Definition at line 903 of file stm32f4xx_ll_rtc.h.

__STATIC_INLINE void LL_RTC_DisableRefClock ( RTC_TypeDef * RTCx )

Disable RTC_REFIN reference clock detection (50 or 60 Hz)

Note:: Bit is write-protected. LL_RTC_DisableWriteProtection function should be called before.; It can be written in initialization mode only (LL_RTC_EnableInitMode function)

Reference Manual to LL API cross reference:: CR REFCKON LL_RTC_DisableRefClock

Parameters:

RTCx	RTC Instance

Return values:

None

Definition at line 1050 of file stm32f4xx_ll_rtc.h.

__STATIC_INLINE void LL_RTC_DisableShadowRegBypass ( RTC_TypeDef * RTCx )

Disable Bypass the shadow registers.

Reference Manual to LL API cross reference:: CR BYPSHAD LL_RTC_DisableShadowRegBypass

Parameters:

RTCx	RTC Instance

Return values:

None

Definition at line 1013 of file stm32f4xx_ll_rtc.h.

__STATIC_INLINE void LL_RTC_DisableWriteProtection ( RTC_TypeDef * RTCx )

Disable the write protection for RTC registers.

Reference Manual to LL API cross reference:: WPR KEY LL_RTC_DisableWriteProtection

Parameters:

RTCx	RTC Instance

Return values:

None

Definition at line 1118 of file stm32f4xx_ll_rtc.h.

References RTC_WRITE_PROTECTION_ENABLE_1, and RTC_WRITE_PROTECTION_ENABLE_2.

Referenced by LL_RTC_ALMA_Init(), LL_RTC_ALMB_Init(), LL_RTC_DATE_Init(), LL_RTC_DeInit(), LL_RTC_Init(), and LL_RTC_TIME_Init().

__STATIC_INLINE void LL_RTC_EnableInitMode ( RTC_TypeDef * RTCx )

Enable initialization mode.

Note:: Initialization mode is used to program time and date register (RTC_TR and RTC_DR) and prescaler register (RTC_PRER). Counters are stopped and start counting from the new value when INIT is reset.

Reference Manual to LL API cross reference:: ISR INIT LL_RTC_EnableInitMode

Parameters:

RTCx	RTC Instance

Return values:

None

Definition at line 949 of file stm32f4xx_ll_rtc.h.

References RTC_INIT_MASK.

Referenced by LL_RTC_EnterInitMode().

__STATIC_INLINE void LL_RTC_EnablePushPullMode	(	RTC_TypeDef *	RTCx,
		uint32_t	PinMask
	)

Enable push-pull output on PC13, PC14 and/or PC15.

Note:: PC13 forced to push-pull output if all RTC alternate functions are disabled; PC14 and PC15 forced to push-pull output if LSE is disabled

Reference Manual to LL API cross reference:: TAFCR PC13MODE LL_RTC_EnablePushPullMode

Reference Manual to LL API cross reference:: TAFCR PC14MODE LL_RTC_EnablePushPullMode

Reference Manual to LL API cross reference:: TAFCR PC15MODE LL_RTC_EnablePushPullMode

Parameters:

RTCx	RTC Instance
PinMask	This parameter can be a combination of the following values: LL_RTC_PIN_PC13 LL_RTC_PIN_PC14 LL_RTC_PIN_PC15

Return values:

None

Definition at line 884 of file stm32f4xx_ll_rtc.h.

__STATIC_INLINE void LL_RTC_EnableRefClock ( RTC_TypeDef * RTCx )

Enable RTC_REFIN reference clock detection (50 or 60 Hz)

Note:: Bit is write-protected. LL_RTC_DisableWriteProtection function should be called before.; It can be written in initialization mode only (LL_RTC_EnableInitMode function)

Reference Manual to LL API cross reference:: CR REFCKON LL_RTC_EnableRefClock

Parameters:

RTCx	RTC Instance

Return values:

None

Definition at line 1037 of file stm32f4xx_ll_rtc.h.

__STATIC_INLINE void LL_RTC_EnableShadowRegBypass ( RTC_TypeDef * RTCx )

Enable Bypass the shadow registers.

Note:: Bit is write-protected. LL_RTC_DisableWriteProtection function should be called before.

Reference Manual to LL API cross reference:: CR BYPSHAD LL_RTC_EnableShadowRegBypass

Parameters:

RTCx	RTC Instance

Return values:

None

Definition at line 1002 of file stm32f4xx_ll_rtc.h.

__STATIC_INLINE void LL_RTC_EnableWriteProtection ( RTC_TypeDef * RTCx )

Enable the write protection for RTC registers.

Reference Manual to LL API cross reference:: WPR KEY LL_RTC_EnableWriteProtection

Parameters:

RTCx	RTC Instance

Return values:

None

Definition at line 1107 of file stm32f4xx_ll_rtc.h.

References RTC_WRITE_PROTECTION_DISABLE.

Referenced by LL_RTC_ALMA_Init(), LL_RTC_ALMB_Init(), LL_RTC_DATE_Init(), LL_RTC_DeInit(), LL_RTC_Init(), and LL_RTC_TIME_Init().

__STATIC_INLINE uint32_t LL_RTC_GetAlarmOutEvent ( RTC_TypeDef * RTCx )

Get the flag to be routed to RTC_ALARM output.

Reference Manual to LL API cross reference:: CR OSEL LL_RTC_GetAlarmOutEvent

Parameters:

RTCx	RTC Instance

Return values:

Returned

value can be one of the following values:

Definition at line 832 of file stm32f4xx_ll_rtc.h.

__STATIC_INLINE uint32_t LL_RTC_GetAlarmOutputType ( RTC_TypeDef * RTCx )

Get RTC_ALARM output type (ALARM in push-pull or open-drain output)

Note:: used only when RTC_ALARM is mapped on PC13; If all RTC alternate functions are disabled and PC13MODE = 1, PC13VALUE configures the PC13 output data

Reference Manual to LL API cross reference:: TAFCR ALARMOUTTYPE LL_RTC_GetAlarmOutputType

Parameters:

RTCx	RTC Instance

Return values:

Returned

value can be one of the following values:

Definition at line 865 of file stm32f4xx_ll_rtc.h.

__STATIC_INLINE uint32_t LL_RTC_GetAsynchPrescaler ( RTC_TypeDef * RTCx )

Get Asynchronous prescaler factor.

Reference Manual to LL API cross reference:: PRER PREDIV_A LL_RTC_GetAsynchPrescaler

Parameters:

RTCx	RTC Instance

Return values:

Value between Min_Data = 0 and Max_Data = 0x7F

Definition at line 1085 of file stm32f4xx_ll_rtc.h.

__STATIC_INLINE uint32_t LL_RTC_GetHourFormat ( RTC_TypeDef * RTCx )

Get Hours format (24 hour/day or AM/PM hour format)

Reference Manual to LL API cross reference:: CR FMT LL_RTC_GetHourFormat

Parameters:

RTCx	RTC Instance

Return values:

Returned

value can be one of the following values:

Definition at line 800 of file stm32f4xx_ll_rtc.h.

Referenced by LL_RTC_ALMA_Init(), LL_RTC_ALMB_Init(), and LL_RTC_TIME_Init().

__STATIC_INLINE uint32_t LL_RTC_GetOutputPolarity ( RTC_TypeDef * RTCx )

Get Output polarity.

Reference Manual to LL API cross reference:: CR POL LL_RTC_GetOutputPolarity

Parameters:

RTCx	RTC Instance

Return values:

Returned

value can be one of the following values:

Definition at line 990 of file stm32f4xx_ll_rtc.h.

__STATIC_INLINE uint32_t LL_RTC_GetSynchPrescaler ( RTC_TypeDef * RTCx )

Get Synchronous prescaler factor.

Reference Manual to LL API cross reference:: PRER PREDIV_S LL_RTC_GetSynchPrescaler

Parameters:

RTCx	RTC Instance

Return values:

Value between Min_Data = 0 and Max_Data = 0x7FFF

Definition at line 1096 of file stm32f4xx_ll_rtc.h.

__STATIC_INLINE uint32_t LL_RTC_IsShadowRegBypassEnabled ( RTC_TypeDef * RTCx )

Check if Shadow registers bypass is enabled or not.

Reference Manual to LL API cross reference:: CR BYPSHAD LL_RTC_IsShadowRegBypassEnabled

Parameters:

RTCx	RTC Instance

Return values:

State of bit (1 or 0).

Definition at line 1024 of file stm32f4xx_ll_rtc.h.

Referenced by LL_RTC_DATE_Init(), and LL_RTC_TIME_Init().

__STATIC_INLINE void LL_RTC_ResetOutputPin	(	RTC_TypeDef *	RTCx,
		uint32_t	PinMask
	)

Set PC14 and/or PC15 to low level.

Note:: Output data configuration is possible if the LSE is disabled and PushPull output is enabled (through LL_RTC_EnablePushPullMode)

Reference Manual to LL API cross reference:: TAFCR PC14VALUE LL_RTC_ResetOutputPin
TAFCR PC15VALUE LL_RTC_ResetOutputPin

Parameters:

RTCx	RTC Instance
PinMask	This parameter can be a combination of the following values: LL_RTC_PIN_PC14 LL_RTC_PIN_PC15

Return values:

None

Definition at line 935 of file stm32f4xx_ll_rtc.h.

__STATIC_INLINE void LL_RTC_SetAlarmOutEvent	(	RTC_TypeDef *	RTCx,
		uint32_t	AlarmOutput
	)

Select the flag to be routed to RTC_ALARM output.

Note:: Bit is write-protected. LL_RTC_DisableWriteProtection function should be called before.

Reference Manual to LL API cross reference:: CR OSEL LL_RTC_SetAlarmOutEvent

Parameters:

RTCx	RTC Instance
AlarmOutput	This parameter can be one of the following values: LL_RTC_ALARMOUT_DISABLE LL_RTC_ALARMOUT_ALMA LL_RTC_ALARMOUT_ALMB LL_RTC_ALARMOUT_WAKEUP

Return values:

None

Definition at line 817 of file stm32f4xx_ll_rtc.h.

__STATIC_INLINE void LL_RTC_SetAlarmOutputType	(	RTC_TypeDef *	RTCx,
		uint32_t	Output
	)

Set RTC_ALARM output type (ALARM in push-pull or open-drain output)

Note:: Used only when RTC_ALARM is mapped on PC13; If all RTC alternate functions are disabled and PC13MODE = 1, PC13VALUE configures the PC13 output data

Reference Manual to LL API cross reference:: TAFCR ALARMOUTTYPE LL_RTC_SetAlarmOutputType

Parameters:

RTCx	RTC Instance
Output	This parameter can be one of the following values: LL_RTC_ALARM_OUTPUTTYPE_OPENDRAIN LL_RTC_ALARM_OUTPUTTYPE_PUSHPULL

Return values:

None

Definition at line 849 of file stm32f4xx_ll_rtc.h.

__STATIC_INLINE void LL_RTC_SetAsynchPrescaler	(	RTC_TypeDef *	RTCx,
		uint32_t	AsynchPrescaler
	)

Set Asynchronous prescaler factor.

Reference Manual to LL API cross reference:: PRER PREDIV_A LL_RTC_SetAsynchPrescaler

Parameters:

RTCx	RTC Instance
AsynchPrescaler	Value between Min_Data = 0 and Max_Data = 0x7F

Return values:

None

Definition at line 1062 of file stm32f4xx_ll_rtc.h.

Referenced by LL_RTC_Init().

__STATIC_INLINE void LL_RTC_SetHourFormat	(	RTC_TypeDef *	RTCx,
		uint32_t	HourFormat
	)

Set Hours format (24 hour/day or AM/PM hour format)

Note:: Bit is write-protected. LL_RTC_DisableWriteProtection function should be called before.; It can be written in initialization mode only (LL_RTC_EnableInitMode function)

Reference Manual to LL API cross reference:: CR FMT LL_RTC_SetHourFormat

Parameters:

RTCx	RTC Instance
HourFormat	This parameter can be one of the following values: LL_RTC_HOURFORMAT_24HOUR LL_RTC_HOURFORMAT_AMPM

Return values:

None

Definition at line 787 of file stm32f4xx_ll_rtc.h.

Referenced by LL_RTC_Init().

__STATIC_INLINE void LL_RTC_SetOutputPin	(	RTC_TypeDef *	RTCx,
		uint32_t	PinMask
	)

Set PC14 and/or PC15 to high level.

Note:: Output data configuration is possible if the LSE is disabled and PushPull output is enabled (through LL_RTC_EnablePushPullMode)

Reference Manual to LL API cross reference:: TAFCR PC14VALUE LL_RTC_SetOutputPin
TAFCR PC15VALUE LL_RTC_SetOutputPin

Parameters:

RTCx	RTC Instance
PinMask	This parameter can be a combination of the following values: LL_RTC_PIN_PC14 LL_RTC_PIN_PC15

Return values:

None

Definition at line 919 of file stm32f4xx_ll_rtc.h.

__STATIC_INLINE void LL_RTC_SetOutputPolarity	(	RTC_TypeDef *	RTCx,
		uint32_t	Polarity
	)

Set Output polarity (pin is low when ALRAF/ALRBF/WUTF is asserted)

Note:: Bit is write-protected. LL_RTC_DisableWriteProtection function should be called before.

Reference Manual to LL API cross reference:: CR POL LL_RTC_SetOutputPolarity

Parameters:

RTCx	RTC Instance
Polarity	This parameter can be one of the following values: LL_RTC_OUTPUTPOLARITY_PIN_HIGH LL_RTC_OUTPUTPOLARITY_PIN_LOW

Return values:

None

Definition at line 977 of file stm32f4xx_ll_rtc.h.

__STATIC_INLINE void LL_RTC_SetSynchPrescaler	(	RTC_TypeDef *	RTCx,
		uint32_t	SynchPrescaler
	)

Set Synchronous prescaler factor.

Reference Manual to LL API cross reference:: PRER PREDIV_S LL_RTC_SetSynchPrescaler

Parameters:

RTCx	RTC Instance
SynchPrescaler	Value between Min_Data = 0 and Max_Data = 0x7FFF

Return values:

None

Definition at line 1074 of file stm32f4xx_ll_rtc.h.

Referenced by LL_RTC_Init().

Functions

Function Documentation