Configuration

Functions
__STATIC_INLINE void	LL_CRS_EnableFreqErrorCounter (void)
	Enable Frequency error counter.
__STATIC_INLINE void	LL_CRS_DisableFreqErrorCounter (void)
	Disable Frequency error counter.
__STATIC_INLINE uint32_t	LL_CRS_IsEnabledFreqErrorCounter (void)
	Check if Frequency error counter is enabled or not.
__STATIC_INLINE void	LL_CRS_EnableAutoTrimming (void)
	Enable Automatic trimming counter.
__STATIC_INLINE void	LL_CRS_DisableAutoTrimming (void)
	Disable Automatic trimming counter.
__STATIC_INLINE uint32_t	LL_CRS_IsEnabledAutoTrimming (void)
	Check if Automatic trimming is enabled or not.
__STATIC_INLINE void	LL_CRS_SetHSI48SmoothTrimming (uint32_t Value)
	Set HSI48 oscillator smooth trimming.
__STATIC_INLINE uint32_t	LL_CRS_GetHSI48SmoothTrimming (void)
	Get HSI48 oscillator smooth trimming.
__STATIC_INLINE void	LL_CRS_SetReloadCounter (uint32_t Value)
	Set counter reload value.
__STATIC_INLINE uint32_t	LL_CRS_GetReloadCounter (void)
	Get counter reload value.
__STATIC_INLINE void	LL_CRS_SetFreqErrorLimit (uint32_t Value)
	Set frequency error limit.
__STATIC_INLINE uint32_t	LL_CRS_GetFreqErrorLimit (void)
	Get frequency error limit.
__STATIC_INLINE void	LL_CRS_SetSyncDivider (uint32_t Divider)
	Set division factor for SYNC signal.
__STATIC_INLINE uint32_t	LL_CRS_GetSyncDivider (void)
	Get division factor for SYNC signal.
__STATIC_INLINE void	LL_CRS_SetSyncSignalSource (uint32_t Source)
	Set SYNC signal source.
__STATIC_INLINE uint32_t	LL_CRS_GetSyncSignalSource (void)
	Get SYNC signal source.
__STATIC_INLINE void	LL_CRS_SetSyncPolarity (uint32_t Polarity)
	Set input polarity for the SYNC signal source.
__STATIC_INLINE uint32_t	LL_CRS_GetSyncPolarity (void)
	Get input polarity for the SYNC signal source.
__STATIC_INLINE void	LL_CRS_ConfigSynchronization (uint32_t HSI48CalibrationValue, uint32_t ErrorLimitValue, uint32_t ReloadValue, uint32_t Settings)
	Configure CRS for the synchronization.

---

Function Documentation

__STATIC_INLINE void LL_CRS_ConfigSynchronization	(	uint32_t	HSI48CalibrationValue,
		uint32_t	ErrorLimitValue,
		uint32_t	ReloadValue,
		uint32_t	Settings
	)

Configure CRS for the synchronization.

Reference Manual to LL API cross reference:

CR TRIM LL_CRS_ConfigSynchronization
CFGR RELOAD LL_CRS_ConfigSynchronization
CFGR FELIM LL_CRS_ConfigSynchronization
CFGR SYNCDIV LL_CRS_ConfigSynchronization
CFGR SYNCSRC LL_CRS_ConfigSynchronization
CFGR SYNCPOL LL_CRS_ConfigSynchronization

Parameters:

HSI48CalibrationValue	a number between Min_Data = 0 and Max_Data = 63
ErrorLimitValue	a number between Min_Data = 0 and Max_Data = 0xFFFF
ReloadValue	a number between Min_Data = 0 and Max_Data = 255
Settings	This parameter can be a combination of the following values: LL_CRS_SYNC_DIV_1 or LL_CRS_SYNC_DIV_2 or LL_CRS_SYNC_DIV_4 or LL_CRS_SYNC_DIV_8 or LL_CRS_SYNC_DIV_16 or LL_CRS_SYNC_DIV_32 or LL_CRS_SYNC_DIV_64 or LL_CRS_SYNC_DIV_128 LL_CRS_SYNC_SOURCE_GPIO or LL_CRS_SYNC_SOURCE_LSE or LL_CRS_SYNC_SOURCE_USB LL_CRS_SYNC_POLARITY_RISING or LL_CRS_SYNC_POLARITY_FALLING

Return values:

None

Definition at line 450 of file stm32h7xx_ll_crs.h.

__STATIC_INLINE void LL_CRS_DisableAutoTrimming

(

void

)

Disable Automatic trimming counter.

Reference Manual to LL API cross reference:

CR AUTOTRIMEN LL_CRS_DisableAutoTrimming

Return values:

None

Definition at line 260 of file stm32h7xx_ll_crs.h.

__STATIC_INLINE void LL_CRS_DisableFreqErrorCounter

(

void

)

Disable Frequency error counter.

Reference Manual to LL API cross reference:

CR CEN LL_CRS_DisableFreqErrorCounter

Return values:

None

Definition at line 230 of file stm32h7xx_ll_crs.h.

__STATIC_INLINE void LL_CRS_EnableAutoTrimming

(

void

)

Enable Automatic trimming counter.

Reference Manual to LL API cross reference:

CR AUTOTRIMEN LL_CRS_EnableAutoTrimming

Return values:

None

Definition at line 250 of file stm32h7xx_ll_crs.h.

__STATIC_INLINE void LL_CRS_EnableFreqErrorCounter

(

void

)

Enable Frequency error counter.

Note:

When this bit is set, the CRS_CFGR register is write-protected and cannot be modified

Reference Manual to LL API cross reference:

CR CEN LL_CRS_EnableFreqErrorCounter

Return values:

None

Definition at line 220 of file stm32h7xx_ll_crs.h.

__STATIC_INLINE uint32_t LL_CRS_GetFreqErrorLimit

(

void

)

Get frequency error limit.

Reference Manual to LL API cross reference:

CFGR FELIM LL_CRS_GetFreqErrorLimit

Return values:

A	number between Min_Data = 0 and Max_Data = 255

Definition at line 338 of file stm32h7xx_ll_crs.h.

__STATIC_INLINE uint32_t LL_CRS_GetHSI48SmoothTrimming

(

void

)

Get HSI48 oscillator smooth trimming.

Reference Manual to LL API cross reference:

CR TRIM LL_CRS_GetHSI48SmoothTrimming

Return values:

a	number between Min_Data = 0 and Max_Data = 127

Definition at line 293 of file stm32h7xx_ll_crs.h.

__STATIC_INLINE uint32_t LL_CRS_GetReloadCounter

(

void

)

Get counter reload value.

Reference Manual to LL API cross reference:

CFGR RELOAD LL_CRS_GetReloadCounter

Return values:

a	number between Min_Data = 0 and Max_Data = 0xFFFF

Definition at line 316 of file stm32h7xx_ll_crs.h.

__STATIC_INLINE uint32_t LL_CRS_GetSyncDivider

(

void

)

Get division factor for SYNC signal.

Reference Manual to LL API cross reference:

CFGR SYNCDIV LL_CRS_GetSyncDivider

Return values:

Returned

value can be one of the following values: LL_CRS_SYNC_DIV_1 LL_CRS_SYNC_DIV_2 LL_CRS_SYNC_DIV_4 LL_CRS_SYNC_DIV_8 LL_CRS_SYNC_DIV_16 LL_CRS_SYNC_DIV_32 LL_CRS_SYNC_DIV_64 LL_CRS_SYNC_DIV_128

Definition at line 375 of file stm32h7xx_ll_crs.h.

__STATIC_INLINE uint32_t LL_CRS_GetSyncPolarity

(

void

)

Get input polarity for the SYNC signal source.

Reference Manual to LL API cross reference:

CFGR SYNCPOL LL_CRS_GetSyncPolarity

Return values:

Returned

value can be one of the following values: LL_CRS_SYNC_POLARITY_RISING LL_CRS_SYNC_POLARITY_FALLING

Definition at line 427 of file stm32h7xx_ll_crs.h.

__STATIC_INLINE uint32_t LL_CRS_GetSyncSignalSource

(

void

)

Get SYNC signal source.

Reference Manual to LL API cross reference:

CFGR SYNCSRC LL_CRS_GetSyncSignalSource

Return values:

Returned

value can be one of the following values: LL_CRS_SYNC_SOURCE_GPIO LL_CRS_SYNC_SOURCE_LSE LL_CRS_SYNC_SOURCE_USB

Definition at line 402 of file stm32h7xx_ll_crs.h.

__STATIC_INLINE uint32_t LL_CRS_IsEnabledAutoTrimming

(

void

)

Check if Automatic trimming is enabled or not.

Reference Manual to LL API cross reference:

CR AUTOTRIMEN LL_CRS_IsEnabledAutoTrimming

Return values:

State

of bit (1 or 0).

Definition at line 270 of file stm32h7xx_ll_crs.h.

__STATIC_INLINE uint32_t LL_CRS_IsEnabledFreqErrorCounter

(

void

)

Check if Frequency error counter is enabled or not.

Reference Manual to LL API cross reference:

CR CEN LL_CRS_IsEnabledFreqErrorCounter

Return values:

State

of bit (1 or 0).

Definition at line 240 of file stm32h7xx_ll_crs.h.

__STATIC_INLINE void LL_CRS_SetFreqErrorLimit

(

uint32_t

Value

)

Set frequency error limit.

Reference Manual to LL API cross reference:

CFGR FELIM LL_CRS_SetFreqErrorLimit

Parameters:

Value

a number between Min_Data = 0 and Max_Data = 255

Note:

Default value can be set thanks to LL_CRS_ERRORLIMIT_DEFAULT

Return values:

None

Definition at line 328 of file stm32h7xx_ll_crs.h.

__STATIC_INLINE void LL_CRS_SetHSI48SmoothTrimming

(

uint32_t

Value

)

Set HSI48 oscillator smooth trimming.

Note:

When the AUTOTRIMEN bit is set, this field is controlled by hardware and is read-only

Reference Manual to LL API cross reference:

CR TRIM LL_CRS_SetHSI48SmoothTrimming

Parameters:

Value

a number between Min_Data = 0 and Max_Data = 127

Note:

Default value can be set thanks to LL_CRS_HSI48CALIBRATION_DEFAULT

Return values:

None

Definition at line 283 of file stm32h7xx_ll_crs.h.

__STATIC_INLINE void LL_CRS_SetReloadCounter

(

uint32_t

Value

)

Set counter reload value.

Reference Manual to LL API cross reference:

CFGR RELOAD LL_CRS_SetReloadCounter

Parameters:

Value

a number between Min_Data = 0 and Max_Data = 0xFFFF

Note:

Default value can be set thanks to LL_CRS_RELOADVALUE_DEFAULT Otherwise it can be calculated in using macro __LL_CRS_CALC_CALCULATE_RELOADVALUE (_FTARGET_, _FSYNC_)

Return values:

None

Definition at line 306 of file stm32h7xx_ll_crs.h.

__STATIC_INLINE void LL_CRS_SetSyncDivider

(

uint32_t

Divider

)

Set division factor for SYNC signal.

Reference Manual to LL API cross reference:

CFGR SYNCDIV LL_CRS_SetSyncDivider

Parameters:

Divider

This parameter can be one of the following values: LL_CRS_SYNC_DIV_1 LL_CRS_SYNC_DIV_2 LL_CRS_SYNC_DIV_4 LL_CRS_SYNC_DIV_8 LL_CRS_SYNC_DIV_16 LL_CRS_SYNC_DIV_32 LL_CRS_SYNC_DIV_64 LL_CRS_SYNC_DIV_128

Return values:

None

Definition at line 357 of file stm32h7xx_ll_crs.h.

__STATIC_INLINE void LL_CRS_SetSyncPolarity

(

uint32_t

Polarity

)

Set input polarity for the SYNC signal source.

Reference Manual to LL API cross reference:

CFGR SYNCPOL LL_CRS_SetSyncPolarity

Parameters:

Polarity

This parameter can be one of the following values: LL_CRS_SYNC_POLARITY_RISING LL_CRS_SYNC_POLARITY_FALLING

Return values:

None

Definition at line 415 of file stm32h7xx_ll_crs.h.

__STATIC_INLINE void LL_CRS_SetSyncSignalSource

(

uint32_t

Source

)

Set SYNC signal source.

Reference Manual to LL API cross reference:

CFGR SYNCSRC LL_CRS_SetSyncSignalSource

Parameters:

Source

This parameter can be one of the following values: LL_CRS_SYNC_SOURCE_GPIO LL_CRS_SYNC_SOURCE_LSE LL_CRS_SYNC_SOURCE_USB

Return values:

None

Definition at line 389 of file stm32h7xx_ll_crs.h.