Functions
__STATIC_INLINE void	LL_RTC_SetHourFormat (RTC_TypeDef *RTCx, uint32_t HourFormat)
	Set Hours format (24 hour/day or AM/PM hour format) More...

__STATIC_INLINE uint32_t	LL_RTC_GetHourFormat (RTC_TypeDef *RTCx)
	Get Hours format (24 hour/day or AM/PM hour format) RTC_CR FMT LL_RTC_GetHourFormat. More...

__STATIC_INLINE void	LL_RTC_SetAlarmOutEvent (RTC_TypeDef *RTCx, uint32_t AlarmOutput)
	Select the flag to be routed to RTC_ALARM output. More...

__STATIC_INLINE uint32_t	LL_RTC_GetAlarmOutEvent (RTC_TypeDef *RTCx)
	Get the flag to be routed to RTC_ALARM output RTC_CR OSEL LL_RTC_GetAlarmOutEvent. More...

__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) RTC_CR TAMPALRM_TYPE LL_RTC_SetAlarmOutputType. More...

__STATIC_INLINE uint32_t	LL_RTC_GetAlarmOutputType (RTC_TypeDef *RTCx)
	Get RTC_ALARM output type (ALARM in push-pull or open-drain output) RTC_CR TAMPALRM_TYPE LL_RTC_SetAlarmOutputType. More...

__STATIC_INLINE void	LL_RTC_EnableInitMode (RTC_TypeDef *RTCx)
	Enable initialization mode. More...

__STATIC_INLINE void	LL_RTC_DisableInitMode (RTC_TypeDef *RTCx)
	Disable initialization mode (Free running mode) RTC_ICSR INIT LL_RTC_DisableInitMode. More...

__STATIC_INLINE void	LL_RTC_SetOutputPolarity (RTC_TypeDef *RTCx, uint32_t Polarity)
	Set Output polarity (pin is low when ALRAF/ALRBF/WUTF is asserted) More...

__STATIC_INLINE uint32_t	LL_RTC_GetOutputPolarity (RTC_TypeDef *RTCx)
	Get Output polarity RTC_CR POL LL_RTC_GetOutputPolarity. More...

__STATIC_INLINE void	LL_RTC_EnableShadowRegBypass (RTC_TypeDef *RTCx)
	Enable Bypass the shadow registers. More...

__STATIC_INLINE void	LL_RTC_DisableShadowRegBypass (RTC_TypeDef *RTCx)
	Disable Bypass the shadow registers RTC_CR BYPSHAD LL_RTC_DisableShadowRegBypass. More...

__STATIC_INLINE uint32_t	LL_RTC_IsShadowRegBypassEnabled (RTC_TypeDef *RTCx)
	Check if Shadow registers bypass is enabled or not. RTC_CR BYPSHAD LL_RTC_IsShadowRegBypassEnabled. More...

__STATIC_INLINE void	LL_RTC_EnableRefClock (RTC_TypeDef *RTCx)
	Enable RTC_REFIN reference clock detection (50 or 60 Hz) More...

__STATIC_INLINE void	LL_RTC_DisableRefClock (RTC_TypeDef *RTCx)
	Disable RTC_REFIN reference clock detection (50 or 60 Hz) More...

__STATIC_INLINE void	LL_RTC_SetAsynchPrescaler (RTC_TypeDef *RTCx, uint32_t AsynchPrescaler)
	Set Asynchronous prescaler factor RTC_PRER PREDIV_A LL_RTC_SetAsynchPrescaler. More...

__STATIC_INLINE void	LL_RTC_SetSynchPrescaler (RTC_TypeDef *RTCx, uint32_t SynchPrescaler)
	Set Synchronous prescaler factor RTC_PRER PREDIV_S LL_RTC_SetSynchPrescaler. More...

__STATIC_INLINE uint32_t	LL_RTC_GetAsynchPrescaler (RTC_TypeDef *RTCx)
	Get Asynchronous prescaler factor RTC_PRER PREDIV_A LL_RTC_GetAsynchPrescaler. More...

__STATIC_INLINE uint32_t	LL_RTC_GetSynchPrescaler (RTC_TypeDef *RTCx)
	Get Synchronous prescaler factor RTC_PRER PREDIV_S LL_RTC_GetSynchPrescaler. More...

__STATIC_INLINE void	LL_RTC_EnableWriteProtection (RTC_TypeDef *RTCx)
	Enable the write protection for RTC registers. RTC_WPR KEY LL_RTC_EnableWriteProtection. More...

__STATIC_INLINE void	LL_RTC_DisableWriteProtection (RTC_TypeDef *RTCx)
	Disable the write protection for RTC registers. RTC_WPR KEY LL_RTC_DisableWriteProtection. More...

__STATIC_INLINE void	LL_RTC_EnableTamperOutput (RTC_TypeDef *RTCx)
	Enable tamper output. More...

__STATIC_INLINE void	LL_RTC_DisableTamperOutput (RTC_TypeDef *RTCx)
	Disable tamper output. RTC_CR TAMPOE LL_RTC_DisableTamperOutput. More...

__STATIC_INLINE uint32_t	LL_RTC_IsTamperOutputEnabled (RTC_TypeDef *RTCx)
	Check if tamper output is enabled or not. RTC_CR TAMPOE LL_RTC_IsTamperOutputEnabled. More...

__STATIC_INLINE void	LL_RTC_EnableAlarmPullUp (RTC_TypeDef *RTCx)
	Enable internal pull-up in output mode. RTC_CR TAMPALRM_PU LL_RTC_EnableAlarmPullUp. More...

__STATIC_INLINE void	LL_RTC_DisableAlarmPullUp (RTC_TypeDef *RTCx)
	Disable internal pull-up in output mode. RTC_CR TAMPALRM_PU LL_RTC_EnableAlarmPullUp. More...

__STATIC_INLINE uint32_t	LL_RTC_IsAlarmPullUpEnabled (RTC_TypeDef *RTCx)
	Check if internal pull-up in output mode is enabled or not. RTC_CR TAMPALRM_PU LL_RTC_IsAlarmPullUpEnabled. More...

__STATIC_INLINE void	LL_RTC_EnableOutput2 (RTC_TypeDef *RTCx)
	Enable RTC_OUT2 output. More...

__STATIC_INLINE void	LL_RTC_DisableOutput2 (RTC_TypeDef *RTCx)
	Disable RTC_OUT2 output RTC_CR OUT2EN LL_RTC_DisableOutput2. More...

__STATIC_INLINE uint32_t	LL_RTC_IsOutput2Enabled (RTC_TypeDef *RTCx)
	Check if RTC_OUT2 output is enabled or not. RTC_CR OUT2EN LL_RTC_IsOutput2Enabled. More...

__STATIC_INLINE void	LL_RTC_EnableOutRemap (RTC_TypeDef *RTCx)
	Enable RTC_OUT remap OR OUT_RMP LL_RTC_EnableOutRemap. More...

__STATIC_INLINE void	LL_RTC_DisableOutRemap (RTC_TypeDef *RTCx)
	Disable RTC_OUT remap OR OUT_RMP LL_RTC_DisableOutRemap. More...

Detailed Description

Function Documentation

◆ LL_RTC_DisableAlarmPullUp()

__STATIC_INLINE void LL_RTC_DisableAlarmPullUp ( RTC_TypeDef * RTCx )

Disable internal pull-up in output mode. RTC_CR TAMPALRM_PU LL_RTC_EnableAlarmPullUp.

Parameters

RTCx	RTC Instance

Return values

None

Definition at line 1263 of file stm32l4xx_ll_rtc.h.

 {
   CLEAR_BIT(RTCx->CR, RTC_CR_TAMPALRM_PU);
 }

◆ LL_RTC_DisableInitMode()

__STATIC_INLINE void LL_RTC_DisableInitMode ( RTC_TypeDef * RTCx )

Disable initialization mode (Free running mode) RTC_ICSR INIT LL_RTC_DisableInitMode.

Disable initialization mode (Free running mode) ISR INIT LL_RTC_DisableInitMode.

Parameters

RTCx	RTC Instance

Return values

None

Definition at line 988 of file stm32l4xx_ll_rtc.h.

 {
   /* Exit Initialization mode */
   WRITE_REG(RTCx->ICSR, (uint32_t)~RTC_ICSR_INIT);
 }

◆ LL_RTC_DisableOutput2()

__STATIC_INLINE void LL_RTC_DisableOutput2 ( RTC_TypeDef * RTCx )

Disable RTC_OUT2 output RTC_CR OUT2EN LL_RTC_DisableOutput2.

Parameters

RTCx	RTC Instance

Return values

None

Definition at line 1299 of file stm32l4xx_ll_rtc.h.

 {
   CLEAR_BIT(RTCx->CR, RTC_CR_OUT2EN);
 }

◆ LL_RTC_DisableOutRemap()

__STATIC_INLINE void LL_RTC_DisableOutRemap ( RTC_TypeDef * RTCx )

Disable RTC_OUT remap OR OUT_RMP LL_RTC_DisableOutRemap.

Parameters

RTCx	RTC Instance

Return values

None

Definition at line 1334 of file stm32l4xx_ll_rtc.h.

 {
   CLEAR_BIT(RTCx->OR, RTC_OR_OUT_RMP);
 }

◆ LL_RTC_DisableRefClock()

__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) RTC_CR REFCKON LL_RTC_DisableRefClock

Parameters

RTCx	RTC Instance

Return values

None

Definition at line 1136 of file stm32l4xx_ll_rtc.h.

 {
   CLEAR_BIT(RTCx->CR, RTC_CR_REFCKON);
 }

◆ LL_RTC_DisableShadowRegBypass()

__STATIC_INLINE void LL_RTC_DisableShadowRegBypass ( RTC_TypeDef * RTCx )

Disable Bypass the shadow registers RTC_CR BYPSHAD LL_RTC_DisableShadowRegBypass.

Parameters

RTCx	RTC Instance

Return values

None

Definition at line 1099 of file stm32l4xx_ll_rtc.h.

 {
   CLEAR_BIT(RTCx->CR, RTC_CR_BYPSHAD);
 }

◆ LL_RTC_DisableTamperOutput()

__STATIC_INLINE void LL_RTC_DisableTamperOutput ( RTC_TypeDef * RTCx )

Disable tamper output. RTC_CR TAMPOE LL_RTC_DisableTamperOutput.

Parameters

RTCx	RTC Instance

Return values

None

Definition at line 1230 of file stm32l4xx_ll_rtc.h.

 {
   CLEAR_BIT(RTCx->CR, RTC_CR_TAMPOE);
 }

◆ LL_RTC_DisableWriteProtection()

__STATIC_INLINE void LL_RTC_DisableWriteProtection ( RTC_TypeDef * RTCx )

Disable the write protection for RTC registers. RTC_WPR KEY LL_RTC_DisableWriteProtection.

Parameters

RTCx	RTC Instance

Return values

None

Definition at line 1204 of file stm32l4xx_ll_rtc.h.

 {
   WRITE_REG(RTCx->WPR, RTC_WRITE_PROTECTION_ENABLE_1);
   WRITE_REG(RTCx->WPR, RTC_WRITE_PROTECTION_ENABLE_2);
 }

◆ LL_RTC_EnableAlarmPullUp()

__STATIC_INLINE void LL_RTC_EnableAlarmPullUp ( RTC_TypeDef * RTCx )

Enable internal pull-up in output mode. RTC_CR TAMPALRM_PU LL_RTC_EnableAlarmPullUp.

Parameters

RTCx	RTC Instance

Return values

None

Definition at line 1252 of file stm32l4xx_ll_rtc.h.

 {
   SET_BIT(RTCx->CR, RTC_CR_TAMPALRM_PU);
 }

◆ LL_RTC_EnableInitMode()

__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. RTC_ICSR INIT LL_RTC_EnableInitMode

Parameters

RTCx	RTC Instance

Return values

None

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. ISR INIT LL_RTC_EnableInitMode

Parameters

RTCx	RTC Instance

Return values

None

Definition at line 976 of file stm32l4xx_ll_rtc.h.

 {
   /* Set the Initialization mode */
   WRITE_REG(RTCx->ICSR, RTC_LL_INIT_MASK);
 }

◆ LL_RTC_EnableOutput2()

__STATIC_INLINE void LL_RTC_EnableOutput2 ( RTC_TypeDef * RTCx )

Enable RTC_OUT2 output.

Note: RTC_OUT2 mapping depends on both OSEL (LL_RTC_SetAlarmOutEvent) and COE (LL_RTC_CAL_SetOutputFreq) settings.; RTC_OUT2 isn't available ins VBAT mode. RTC_CR OUT2EN LL_RTC_EnableOutput2

Parameters

RTCx	RTC Instance

Return values

None

Definition at line 1288 of file stm32l4xx_ll_rtc.h.

 {
   SET_BIT(RTCx->CR, RTC_CR_OUT2EN);
 }

◆ LL_RTC_EnableOutRemap()

__STATIC_INLINE void LL_RTC_EnableOutRemap ( RTC_TypeDef * RTCx )

Enable RTC_OUT remap OR OUT_RMP LL_RTC_EnableOutRemap.

Parameters

RTCx	RTC Instance

Return values

None

Definition at line 1323 of file stm32l4xx_ll_rtc.h.

 {
   SET_BIT(RTCx->OR, RTC_OR_OUT_RMP);
 }

◆ LL_RTC_EnableRefClock()

__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) RTC_CR REFCKON LL_RTC_EnableRefClock

Parameters

RTCx	RTC Instance

Return values

None

Definition at line 1123 of file stm32l4xx_ll_rtc.h.

 {
   SET_BIT(RTCx->CR, RTC_CR_REFCKON);
 }

◆ LL_RTC_EnableShadowRegBypass()

__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. RTC_CR BYPSHAD LL_RTC_EnableShadowRegBypass

Parameters

RTCx	RTC Instance

Return values

None

Definition at line 1088 of file stm32l4xx_ll_rtc.h.

 {
   SET_BIT(RTCx->CR, RTC_CR_BYPSHAD);
 }

◆ LL_RTC_EnableTamperOutput()

__STATIC_INLINE void LL_RTC_EnableTamperOutput ( RTC_TypeDef * RTCx )

Enable tamper output.

Note: When the tamper output is enabled, all external and internal tamper flags are ORed and routed to the TAMPALRM output. RTC_CR TAMPOE LL_RTC_EnableTamperOutput

Parameters

RTCx	RTC Instance

Return values

None

Definition at line 1219 of file stm32l4xx_ll_rtc.h.

 {
   SET_BIT(RTCx->CR, RTC_CR_TAMPOE);
 }

◆ LL_RTC_EnableWriteProtection()

__STATIC_INLINE void LL_RTC_EnableWriteProtection ( RTC_TypeDef * RTCx )

Enable the write protection for RTC registers. RTC_WPR KEY LL_RTC_EnableWriteProtection.

Parameters

RTCx	RTC Instance

Return values

None

Definition at line 1193 of file stm32l4xx_ll_rtc.h.

 {
   WRITE_REG(RTCx->WPR, RTC_WRITE_PROTECTION_DISABLE);
 }

◆ LL_RTC_GetAlarmOutEvent()

__STATIC_INLINE uint32_t LL_RTC_GetAlarmOutEvent ( RTC_TypeDef * RTCx )

Get the flag to be routed to RTC_ALARM output RTC_CR OSEL LL_RTC_GetAlarmOutEvent.

Parameters

RTCx	RTC Instance

Return values

Returned

value can be one of the following values:

LL_RTC_ALARMOUT_DISABLE
LL_RTC_ALARMOUT_ALMA
LL_RTC_ALARMOUT_ALMB
LL_RTC_ALARMOUT_WAKEUP

Definition at line 934 of file stm32l4xx_ll_rtc.h.

 {
   return (uint32_t)(READ_BIT(RTCx->CR, RTC_CR_OSEL));
 }

◆ LL_RTC_GetAlarmOutputType()

__STATIC_INLINE uint32_t LL_RTC_GetAlarmOutputType ( RTC_TypeDef * RTCx )

Get RTC_ALARM output type (ALARM in push-pull or open-drain output) RTC_CR TAMPALRM_TYPE LL_RTC_SetAlarmOutputType.

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

Parameters

RTCx	RTC Instance

Return values

Returned

value can be one of the following values:

LL_RTC_ALARM_OUTPUTTYPE_OPENDRAIN
LL_RTC_ALARM_OUTPUTTYPE_PUSHPULL

Note: used only when RTC_ALARM is mapped on PC13 OR ALARMOUTTYPE LL_RTC_GetAlarmOutputType

Parameters

RTCx	RTC Instance

Return values

Returned

value can be one of the following values:

LL_RTC_ALARM_OUTPUTTYPE_OPENDRAIN
LL_RTC_ALARM_OUTPUTTYPE_PUSHPULL

Definition at line 962 of file stm32l4xx_ll_rtc.h.

 {
   return (uint32_t)(READ_BIT(RTCx->CR, RTC_CR_TAMPALRM_TYPE));
 }

◆ LL_RTC_GetAsynchPrescaler()

__STATIC_INLINE uint32_t LL_RTC_GetAsynchPrescaler ( RTC_TypeDef * RTCx )

Get Asynchronous prescaler factor RTC_PRER PREDIV_A LL_RTC_GetAsynchPrescaler.

Parameters

RTCx	RTC Instance

Return values

Value between Min_Data = 0 and Max_Data = 0x7F

Definition at line 1171 of file stm32l4xx_ll_rtc.h.

 {
   return (uint32_t)(READ_BIT(RTCx->PRER, RTC_PRER_PREDIV_A) >> RTC_PRER_PREDIV_A_Pos);
 }

◆ LL_RTC_GetHourFormat()

__STATIC_INLINE uint32_t LL_RTC_GetHourFormat ( RTC_TypeDef * RTCx )

Get Hours format (24 hour/day or AM/PM hour format) RTC_CR FMT LL_RTC_GetHourFormat.

Parameters

RTCx	RTC Instance

Return values

Returned

value can be one of the following values:

LL_RTC_HOURFORMAT_24HOUR
LL_RTC_HOURFORMAT_AMPM

Definition at line 902 of file stm32l4xx_ll_rtc.h.

 {
   return (uint32_t)(READ_BIT(RTCx->CR, RTC_CR_FMT));
 }

◆ LL_RTC_GetOutputPolarity()

__STATIC_INLINE uint32_t LL_RTC_GetOutputPolarity ( RTC_TypeDef * RTCx )

Get Output polarity RTC_CR POL LL_RTC_GetOutputPolarity.

Parameters

RTCx	RTC Instance

Return values

Returned

value can be one of the following values:

LL_RTC_OUTPUTPOLARITY_PIN_HIGH
LL_RTC_OUTPUTPOLARITY_PIN_LOW

Definition at line 1076 of file stm32l4xx_ll_rtc.h.

 {
   return (uint32_t)(READ_BIT(RTCx->CR, RTC_CR_POL));
 }

◆ LL_RTC_GetSynchPrescaler()

__STATIC_INLINE uint32_t LL_RTC_GetSynchPrescaler ( RTC_TypeDef * RTCx )

Get Synchronous prescaler factor RTC_PRER PREDIV_S LL_RTC_GetSynchPrescaler.

Parameters

RTCx	RTC Instance

Return values

Value between Min_Data = 0 and Max_Data = 0x7FFF

Definition at line 1182 of file stm32l4xx_ll_rtc.h.

 {
   return (uint32_t)(READ_BIT(RTCx->PRER, RTC_PRER_PREDIV_S));
 }

◆ LL_RTC_IsAlarmPullUpEnabled()

__STATIC_INLINE uint32_t LL_RTC_IsAlarmPullUpEnabled ( RTC_TypeDef * RTCx )

Check if internal pull-up in output mode is enabled or not. RTC_CR TAMPALRM_PU LL_RTC_IsAlarmPullUpEnabled.

Parameters

RTCx	RTC Instance

Return values

State of bit (1 or 0).

Definition at line 1274 of file stm32l4xx_ll_rtc.h.

 {
   return (READ_BIT(RTCx->CR, RTC_CR_TAMPALRM_PU) == (RTC_CR_TAMPALRM_PU));
 }

◆ LL_RTC_IsOutput2Enabled()

__STATIC_INLINE uint32_t LL_RTC_IsOutput2Enabled ( RTC_TypeDef * RTCx )

Check if RTC_OUT2 output is enabled or not. RTC_CR OUT2EN LL_RTC_IsOutput2Enabled.

Parameters

RTCx	RTC Instance

Return values

State of bit (1 or 0).

Definition at line 1310 of file stm32l4xx_ll_rtc.h.

 {
   return (READ_BIT(RTCx->CR, RTC_CR_OUT2EN) == (RTC_CR_OUT2EN));
 }

◆ LL_RTC_IsShadowRegBypassEnabled()

__STATIC_INLINE uint32_t LL_RTC_IsShadowRegBypassEnabled ( RTC_TypeDef * RTCx )

Check if Shadow registers bypass is enabled or not. RTC_CR BYPSHAD LL_RTC_IsShadowRegBypassEnabled.

Parameters

RTCx	RTC Instance

Return values

State of bit (1 or 0).

Definition at line 1110 of file stm32l4xx_ll_rtc.h.

 {
   return (READ_BIT(RTCx->CR, RTC_CR_BYPSHAD) == (RTC_CR_BYPSHAD));
 }

◆ LL_RTC_IsTamperOutputEnabled()

__STATIC_INLINE uint32_t LL_RTC_IsTamperOutputEnabled ( RTC_TypeDef * RTCx )

Check if tamper output is enabled or not. RTC_CR TAMPOE LL_RTC_IsTamperOutputEnabled.

Parameters

RTCx	RTC Instance

Return values

State of bit (1 or 0).

Definition at line 1241 of file stm32l4xx_ll_rtc.h.

 {
   return (READ_BIT(RTCx->CR, RTC_CR_TAMPOE) == (RTC_CR_TAMPOE));
 }

◆ LL_RTC_SetAlarmOutEvent()

__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. RTC_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 919 of file stm32l4xx_ll_rtc.h.

 {
   MODIFY_REG(RTCx->CR, RTC_CR_OSEL, AlarmOutput);
 }

◆ LL_RTC_SetAlarmOutputType()

__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) RTC_CR TAMPALRM_TYPE LL_RTC_SetAlarmOutputType.

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

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

Note: Used only when RTC_ALARM is mapped on PC13 OR 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 949 of file stm32l4xx_ll_rtc.h.

 {
   MODIFY_REG(RTCx->CR, RTC_CR_TAMPALRM_TYPE, Output);
 }

◆ LL_RTC_SetAsynchPrescaler()

__STATIC_INLINE void LL_RTC_SetAsynchPrescaler	(	RTC_TypeDef *	RTCx,
		uint32_t	AsynchPrescaler
	)

Set Asynchronous prescaler factor RTC_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 1148 of file stm32l4xx_ll_rtc.h.

 {
   MODIFY_REG(RTCx->PRER, RTC_PRER_PREDIV_A, AsynchPrescaler << RTC_PRER_PREDIV_A_Pos);
 }

◆ LL_RTC_SetHourFormat()

__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) RTC_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 889 of file stm32l4xx_ll_rtc.h.

 {
   MODIFY_REG(RTCx->CR, RTC_CR_FMT, HourFormat);
 }

◆ LL_RTC_SetOutputPolarity()

__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. RTC_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 1063 of file stm32l4xx_ll_rtc.h.

 {
   MODIFY_REG(RTCx->CR, RTC_CR_POL, Polarity);
 }

◆ LL_RTC_SetSynchPrescaler()

__STATIC_INLINE void LL_RTC_SetSynchPrescaler	(	RTC_TypeDef *	RTCx,
		uint32_t	SynchPrescaler
	)

Set Synchronous prescaler factor RTC_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 1160 of file stm32l4xx_ll_rtc.h.

 {
   MODIFY_REG(RTCx->PRER, RTC_PRER_PREDIV_S, SynchPrescaler);
 }

Functions

Detailed Description

Function Documentation

◆ LL_RTC_DisableAlarmPullUp()

◆ LL_RTC_DisableInitMode()

◆ LL_RTC_DisableOutput2()

◆ LL_RTC_DisableOutRemap()

◆ LL_RTC_DisableRefClock()

◆ LL_RTC_DisableShadowRegBypass()

◆ LL_RTC_DisableTamperOutput()

◆ LL_RTC_DisableWriteProtection()

◆ LL_RTC_EnableAlarmPullUp()

◆ LL_RTC_EnableInitMode()

◆ LL_RTC_EnableOutput2()

◆ LL_RTC_EnableOutRemap()

◆ LL_RTC_EnableRefClock()

◆ LL_RTC_EnableShadowRegBypass()

◆ LL_RTC_EnableTamperOutput()

◆ LL_RTC_EnableWriteProtection()

◆ LL_RTC_GetAlarmOutEvent()

◆ LL_RTC_GetAlarmOutputType()

◆ LL_RTC_GetAsynchPrescaler()

◆ LL_RTC_GetHourFormat()

◆ LL_RTC_GetOutputPolarity()

◆ LL_RTC_GetSynchPrescaler()

◆ LL_RTC_IsAlarmPullUpEnabled()

◆ LL_RTC_IsOutput2Enabled()

◆ LL_RTC_IsShadowRegBypassEnabled()

◆ LL_RTC_IsTamperOutputEnabled()

◆ LL_RTC_SetAlarmOutEvent()

◆ LL_RTC_SetAlarmOutputType()

◆ LL_RTC_SetAsynchPrescaler()

◆ LL_RTC_SetHourFormat()

◆ LL_RTC_SetOutputPolarity()

◆ LL_RTC_SetSynchPrescaler()