stm32l4xx_ll_crs.h File Reference

CRS LL module driver. More...

#include "stm32l4xx.h"

Go to the source code of this file.

Defines
#define	LL_CRS_ISR_SYNCOKF   CRS_ISR_SYNCOKF
#define	LL_CRS_ISR_SYNCWARNF   CRS_ISR_SYNCWARNF
#define	LL_CRS_ISR_ERRF   CRS_ISR_ERRF
#define	LL_CRS_ISR_ESYNCF   CRS_ISR_ESYNCF
#define	LL_CRS_ISR_SYNCERR   CRS_ISR_SYNCERR
#define	LL_CRS_ISR_SYNCMISS   CRS_ISR_SYNCMISS
#define	LL_CRS_ISR_TRIMOVF   CRS_ISR_TRIMOVF
#define	LL_CRS_CR_SYNCOKIE   CRS_CR_SYNCOKIE
#define	LL_CRS_CR_SYNCWARNIE   CRS_CR_SYNCWARNIE
#define	LL_CRS_CR_ERRIE   CRS_CR_ERRIE
#define	LL_CRS_CR_ESYNCIE   CRS_CR_ESYNCIE
#define	LL_CRS_SYNC_DIV_1   ((uint32_t)0x00U)
#define	LL_CRS_SYNC_DIV_2   CRS_CFGR_SYNCDIV_0
#define	LL_CRS_SYNC_DIV_4   CRS_CFGR_SYNCDIV_1
#define	LL_CRS_SYNC_DIV_8   (CRS_CFGR_SYNCDIV_1 | CRS_CFGR_SYNCDIV_0)
#define	LL_CRS_SYNC_DIV_16   CRS_CFGR_SYNCDIV_2
#define	LL_CRS_SYNC_DIV_32   (CRS_CFGR_SYNCDIV_2 | CRS_CFGR_SYNCDIV_0)
#define	LL_CRS_SYNC_DIV_64   (CRS_CFGR_SYNCDIV_2 | CRS_CFGR_SYNCDIV_1)
#define	LL_CRS_SYNC_DIV_128   CRS_CFGR_SYNCDIV
#define	LL_CRS_SYNC_SOURCE_GPIO   ((uint32_t)0x00U)
#define	LL_CRS_SYNC_SOURCE_LSE   CRS_CFGR_SYNCSRC_0
#define	LL_CRS_SYNC_SOURCE_USB   CRS_CFGR_SYNCSRC_1
#define	LL_CRS_SYNC_POLARITY_RISING   ((uint32_t)0x00U)
#define	LL_CRS_SYNC_POLARITY_FALLING   CRS_CFGR_SYNCPOL
#define	LL_CRS_FREQ_ERROR_DIR_UP   ((uint32_t)0x00U)
#define	LL_CRS_FREQ_ERROR_DIR_DOWN   ((uint32_t)CRS_ISR_FEDIR)
#define	LL_CRS_RELOADVALUE_DEFAULT   ((uint32_t)0xBB7FU)
	Reset value of the RELOAD field.
#define	LL_CRS_ERRORLIMIT_DEFAULT   ((uint32_t)0x22U)
	Reset value of Frequency error limit.
#define	LL_CRS_HSI48CALIBRATION_DEFAULT   ((uint32_t)32U)
	Reset value of the HSI48 Calibration field.
#define	LL_CRS_WriteReg(__INSTANCE__, __REG__, __VALUE__)   WRITE_REG(__INSTANCE__->__REG__, (__VALUE__))
	Write a value in CRS register.
#define	LL_CRS_ReadReg(__INSTANCE__, __REG__)   READ_REG(__INSTANCE__->__REG__)
	Read a value in CRS register.
#define	__LL_CRS_CALC_CALCULATE_RELOADVALUE(__FTARGET__, __FSYNC__)   (((__FTARGET__) / (__FSYNC__)) - 1U)
	Macro to calculate reload value to be set in CRS register according to target and sync frequencies.
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.
__STATIC_INLINE void	LL_CRS_GenerateEvent_SWSYNC (void)
	Generate software SYNC event.
__STATIC_INLINE uint32_t	LL_CRS_GetFreqErrorDirection (void)
	Get the frequency error direction latched in the time of the last SYNC event.
__STATIC_INLINE uint32_t	LL_CRS_GetFreqErrorCapture (void)
	Get the frequency error counter value latched in the time of the last SYNC event.
__STATIC_INLINE uint32_t	LL_CRS_IsActiveFlag_SYNCOK (void)
	Check if SYNC event OK signal occurred or not.
__STATIC_INLINE uint32_t	LL_CRS_IsActiveFlag_SYNCWARN (void)
	Check if SYNC warning signal occurred or not.
__STATIC_INLINE uint32_t	LL_CRS_IsActiveFlag_ERR (void)
	Check if Synchronization or trimming error signal occurred or not.
__STATIC_INLINE uint32_t	LL_CRS_IsActiveFlag_ESYNC (void)
	Check if Expected SYNC signal occurred or not.
__STATIC_INLINE uint32_t	LL_CRS_IsActiveFlag_SYNCERR (void)
	Check if SYNC error signal occurred or not.
__STATIC_INLINE uint32_t	LL_CRS_IsActiveFlag_SYNCMISS (void)
	Check if SYNC missed error signal occurred or not.
__STATIC_INLINE uint32_t	LL_CRS_IsActiveFlag_TRIMOVF (void)
	Check if Trimming overflow or underflow occurred or not.
__STATIC_INLINE void	LL_CRS_ClearFlag_SYNCOK (void)
	Clear the SYNC event OK flag.
__STATIC_INLINE void	LL_CRS_ClearFlag_SYNCWARN (void)
	Clear the SYNC warning flag.
__STATIC_INLINE void	LL_CRS_ClearFlag_ERR (void)
	Clear TRIMOVF, SYNCMISS and SYNCERR bits and consequently also the ERR flag.
__STATIC_INLINE void	LL_CRS_ClearFlag_ESYNC (void)
	Clear Expected SYNC flag.
__STATIC_INLINE void	LL_CRS_EnableIT_SYNCOK (void)
	Enable SYNC event OK interrupt.
__STATIC_INLINE void	LL_CRS_DisableIT_SYNCOK (void)
	Disable SYNC event OK interrupt.
__STATIC_INLINE uint32_t	LL_CRS_IsEnabledIT_SYNCOK (void)
	Check if SYNC event OK interrupt is enabled or not.
__STATIC_INLINE void	LL_CRS_EnableIT_SYNCWARN (void)
	Enable SYNC warning interrupt.
__STATIC_INLINE void	LL_CRS_DisableIT_SYNCWARN (void)
	Disable SYNC warning interrupt.
__STATIC_INLINE uint32_t	LL_CRS_IsEnabledIT_SYNCWARN (void)
	Check if SYNC warning interrupt is enabled or not.
__STATIC_INLINE void	LL_CRS_EnableIT_ERR (void)
	Enable Synchronization or trimming error interrupt.
__STATIC_INLINE void	LL_CRS_DisableIT_ERR (void)
	Disable Synchronization or trimming error interrupt.
__STATIC_INLINE uint32_t	LL_CRS_IsEnabledIT_ERR (void)
	Check if Synchronization or trimming error interrupt is enabled or not.
__STATIC_INLINE void	LL_CRS_EnableIT_ESYNC (void)
	Enable Expected SYNC interrupt.
__STATIC_INLINE void	LL_CRS_DisableIT_ESYNC (void)
	Disable Expected SYNC interrupt.
__STATIC_INLINE uint32_t	LL_CRS_IsEnabledIT_ESYNC (void)
	Check if Expected SYNC interrupt is enabled or not.
ErrorStatus	LL_CRS_DeInit (void)
	De-Initializes CRS peripheral registers to their default reset values.

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Detailed Description

CRS LL module driver.

Header file of CRS LL module.

Author:

MCD Application Team

Attention:

Copyright (c) 2017 STMicroelectronics. All rights reserved.

This software is licensed under terms that can be found in the LICENSE file in the root directory of this software component. If no LICENSE file comes with this software, it is provided AS-IS.

Definition in file stm32l4xx_ll_crs.h.