Diff: targets/TARGET_STM/TARGET_STM32L4/device/stm32l4xx_ll_crs.h

Revision:

149:156823d33999

Parent:

144:ef7eb2e8f9f7

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/targets/TARGET_STM/TARGET_STM32L4/device/stm32l4xx_ll_crs.h	Fri Oct 28 11:17:30 2016 +0100
@@ -0,0 +1,816 @@
+/**
+  ******************************************************************************
+  * @file    stm32l4xx_ll_crs.h
+  * @author  MCD Application Team
+  * @version V1.5.1
+  * @date    31-May-2016
+  * @brief   Header file of CRS LL module.
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
+  *
+  * Redistribution and use in source and binary forms, with or without modification,
+  * are permitted provided that the following conditions are met:
+  *   1. Redistributions of source code must retain the above copyright notice,
+  *      this list of conditions and the following disclaimer.
+  *   2. Redistributions in binary form must reproduce the above copyright notice,
+  *      this list of conditions and the following disclaimer in the documentation
+  *      and/or other materials provided with the distribution.
+  *   3. Neither the name of STMicroelectronics nor the names of its contributors
+  *      may be used to endorse or promote products derived from this software
+  *      without specific prior written permission.
+  *
+  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+  *
+  ******************************************************************************
+  */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __STM32L4xx_LL_CRS_H
+#define __STM32L4xx_LL_CRS_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32l4xx.h"
+
+/** @addtogroup STM32L4xx_LL_Driver
+  * @{
+  */
+
+#if defined(CRS)
+
+/** @defgroup CRS_LL CRS
+  * @{
+  */
+
+/* Private types -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+
+/* Private constants ---------------------------------------------------------*/
+/** @defgroup CRS_LL_Private_Constants CRS Private Constants
+  * @{
+  */
+
+/* Defines used for the bit position in the register and perform offsets*/
+#define CRS_POSITION_TRIM        (uint32_t)POSITION_VAL(CRS_CR_TRIM)    /* bit position in CR reg */
+#define CRS_POSITION_FECAP       (uint32_t)POSITION_VAL(CRS_ISR_FECAP)  /* bit position in ISR reg */
+#define CRS_POSITION_FELIM       (uint32_t)POSITION_VAL(CRS_CFGR_FELIM) /* bit position in CFGR reg */
+
+
+/**
+  * @}
+  */
+
+/* Private macros ------------------------------------------------------------*/
+
+/* Exported types ------------------------------------------------------------*/
+/* Exported constants --------------------------------------------------------*/
+/** @defgroup CRS_LL_Exported_Constants CRS Exported Constants
+  * @{
+  */
+
+/** @defgroup CRS_LL_EC_GET_FLAG Get Flags Defines
+  * @brief    Flags defines which can be used with LL_CRS_ReadReg function
+  * @{
+  */
+#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
+/**
+  * @}
+  */
+
+/** @defgroup CRS_LL_EC_IT IT Defines
+  * @brief    IT defines which can be used with LL_CRS_ReadReg and  LL_CRS_WriteReg functions
+  * @{
+  */
+#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
+/**
+  * @}
+  */
+
+/** @defgroup CRS_LL_EC_SYNC_DIV Synchronization Signal Divider
+  * @{
+  */
+#define LL_CRS_SYNC_DIV_1                  ((uint32_t)0x00U)                         /*!< Synchro Signal not divided (default) */
+#define LL_CRS_SYNC_DIV_2                  CRS_CFGR_SYNCDIV_0                        /*!< Synchro Signal divided by 2 */
+#define LL_CRS_SYNC_DIV_4                  CRS_CFGR_SYNCDIV_1                        /*!< Synchro Signal divided by 4 */
+#define LL_CRS_SYNC_DIV_8                  (CRS_CFGR_SYNCDIV_1 | CRS_CFGR_SYNCDIV_0) /*!< Synchro Signal divided by 8 */
+#define LL_CRS_SYNC_DIV_16                 CRS_CFGR_SYNCDIV_2                        /*!< Synchro Signal divided by 16 */
+#define LL_CRS_SYNC_DIV_32                 (CRS_CFGR_SYNCDIV_2 | CRS_CFGR_SYNCDIV_0) /*!< Synchro Signal divided by 32 */
+#define LL_CRS_SYNC_DIV_64                 (CRS_CFGR_SYNCDIV_2 | CRS_CFGR_SYNCDIV_1) /*!< Synchro Signal divided by 64 */
+#define LL_CRS_SYNC_DIV_128                CRS_CFGR_SYNCDIV                          /*!< Synchro Signal divided by 128 */
+/**
+  * @}
+  */
+
+/** @defgroup CRS_LL_EC_SYNC_SOURCE Synchronization Signal Source
+  * @{
+  */
+#define LL_CRS_SYNC_SOURCE_GPIO            ((uint32_t)0x00U)       /*!< Synchro Signal soucre GPIO */
+#define LL_CRS_SYNC_SOURCE_LSE             CRS_CFGR_SYNCSRC_0      /*!< Synchro Signal source LSE */
+#define LL_CRS_SYNC_SOURCE_USB             CRS_CFGR_SYNCSRC_1      /*!< Synchro Signal source USB SOF (default)*/
+/**
+  * @}
+  */
+
+/** @defgroup CRS_LL_EC_SYNC_POLARITY Synchronization Signal Polarity
+  * @{
+  */
+#define LL_CRS_SYNC_POLARITY_RISING        ((uint32_t)0x00U)     /*!< Synchro Active on rising edge (default) */
+#define LL_CRS_SYNC_POLARITY_FALLING       CRS_CFGR_SYNCPOL      /*!< Synchro Active on falling edge */
+/**
+  * @}
+  */
+
+/** @defgroup CRS_LL_EC_FREQERRORDIR Frequency Error Direction
+  * @{
+  */
+#define LL_CRS_FREQ_ERROR_DIR_UP             ((uint32_t)0x00U)         /*!< Upcounting direction, the actual frequency is above the target */
+#define LL_CRS_FREQ_ERROR_DIR_DOWN           ((uint32_t)CRS_ISR_FEDIR) /*!< Downcounting direction, the actual frequency is below the target */
+/**
+  * @}
+  */
+
+/** @defgroup CRS_LL_EC_DEFAULTVALUES Default Values
+  * @{
+  */
+/**
+  * @brief Reset value of the RELOAD field
+  * @note The reset value of the RELOAD field corresponds to a target frequency of 48 MHz
+  *       and a synchronization signal frequency of 1 kHz (SOF signal from USB)
+  */
+#define LL_CRS_RELOADVALUE_DEFAULT         ((uint32_t)0xBB7FU)      
+
+/**
+  * @brief Reset value of Frequency error limit.
+  */
+#define LL_CRS_ERRORLIMIT_DEFAULT          ((uint32_t)0x22U)      
+
+/**
+  * @brief Reset value of the HSI48 Calibration field
+  * @note The default value is 32, which corresponds to the middle of the trimming interval. 
+  *       The trimming step is around 67 kHz between two consecutive TRIM steps. 
+  *       A higher TRIM value corresponds to a higher output frequency
+  */
+#define LL_CRS_HSI48CALIBRATION_DEFAULT    ((uint32_t)0x20U)      
+/**
+  * @}
+  */ 
+  
+/**
+  * @}
+  */
+
+/* Exported macro ------------------------------------------------------------*/
+/** @defgroup CRS_LL_Exported_Macros CRS Exported Macros
+  * @{
+  */
+
+/** @defgroup CRS_LL_EM_WRITE_READ Common Write and read registers Macros
+  * @{
+  */
+
+/**
+  * @brief  Write a value in CRS register
+  * @param  __INSTANCE__ CRS Instance
+  * @param  __REG__ Register to be written
+  * @param  __VALUE__ Value to be written in the register
+  * @retval None
+  */
+#define LL_CRS_WriteReg(__INSTANCE__, __REG__, __VALUE__) WRITE_REG(__INSTANCE__->__REG__, (__VALUE__))
+
+/**
+  * @brief  Read a value in CRS register
+  * @param  __INSTANCE__ CRS Instance
+  * @param  __REG__ Register to be read
+  * @retval Register value
+  */
+#define LL_CRS_ReadReg(__INSTANCE__, __REG__) READ_REG(__INSTANCE__->__REG__)
+/**
+  * @}
+  */
+
+/** @defgroup CRS_LL_EM_Exported_Macros_Calculate_Reload Exported_Macros_Calculate_Reload
+  * @{
+  */
+
+/**
+  * @brief  Macro to calculate reload value to be set in CRS register according to target and sync frequencies
+  * @note   The RELOAD value should be selected according to the ratio between 
+  *         the target frequency and the frequency of the synchronization source after
+  *         prescaling. It is then decreased by one in order to reach the expected
+  *         synchronization on the zero value. The formula is the following:
+  *              RELOAD = (fTARGET / fSYNC) -1
+  * @param  __FTARGET__ Target frequency (value in Hz)
+  * @param  __FSYNC__ Synchronization signal frequency (value in Hz)
+  * @retval Reload value (in Hz)
+  */
+#define __LL_CRS_CALC_CALCULATE_RELOADVALUE(__FTARGET__, __FSYNC__) (((__FTARGET__) / (__FSYNC__)) - 1U)
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+/* Exported functions --------------------------------------------------------*/
+/** @defgroup CRS_LL_Exported_Functions CRS Exported Functions
+  * @{
+  */
+
+/** @defgroup CRS_LL_EF_Configuration Configuration
+  * @{
+  */
+
+/**
+  * @brief  Enable Frequency error counter
+  * @note When this bit is set, the CRS_CFGR register is write-protected and cannot be modified
+  * @rmtoll CR           CEN           LL_CRS_EnableFreqErrorCounter
+  * @retval None
+  */
+__STATIC_INLINE void LL_CRS_EnableFreqErrorCounter(void)
+{
+  SET_BIT(CRS->CR, CRS_CR_CEN);
+}
+
+/**
+  * @brief  Disable Frequency error counter
+  * @rmtoll CR           CEN           LL_CRS_DisableFreqErrorCounter
+  * @retval None
+  */
+__STATIC_INLINE void LL_CRS_DisableFreqErrorCounter(void)
+{
+  CLEAR_BIT(CRS->CR, CRS_CR_CEN);
+}
+
+/**
+  * @brief  Check if Frequency error counter is enabled or not
+  * @rmtoll CR           CEN           LL_CRS_IsEnabledFreqErrorCounter
+  * @retval State of bit (1 or 0).
+  */
+__STATIC_INLINE uint32_t LL_CRS_IsEnabledFreqErrorCounter(void)
+{
+  return (READ_BIT(CRS->CR, CRS_CR_CEN) == (CRS_CR_CEN));
+}
+
+/**
+  * @brief  Enable Automatic trimming counter
+  * @rmtoll CR           AUTOTRIMEN    LL_CRS_EnableAutoTrimming
+  * @retval None
+  */
+__STATIC_INLINE void LL_CRS_EnableAutoTrimming(void)
+{
+  SET_BIT(CRS->CR, CRS_CR_AUTOTRIMEN);
+}
+
+/**
+  * @brief  Disable Automatic trimming counter
+  * @rmtoll CR           AUTOTRIMEN    LL_CRS_DisableAutoTrimming
+  * @retval None
+  */
+__STATIC_INLINE void LL_CRS_DisableAutoTrimming(void)
+{
+  CLEAR_BIT(CRS->CR, CRS_CR_AUTOTRIMEN);
+}
+
+/**
+  * @brief  Check if Automatic trimming is enabled or not
+  * @rmtoll CR           AUTOTRIMEN    LL_CRS_IsEnabledAutoTrimming
+  * @retval State of bit (1 or 0).
+  */
+__STATIC_INLINE uint32_t LL_CRS_IsEnabledAutoTrimming(void)
+{
+  return (READ_BIT(CRS->CR, CRS_CR_AUTOTRIMEN) == (CRS_CR_AUTOTRIMEN));
+}
+
+/**
+  * @brief  Set HSI48 oscillator smooth trimming
+  * @note   When the AUTOTRIMEN bit is set, this field is controlled by hardware and is read-only
+  * @rmtoll CR           TRIM          LL_CRS_SetHSI48SmoothTrimming
+  * @param  Value a number between Min_Data = 0 and Max_Data = 63
+  * @note   Default value can be set thanks to @ref LL_CRS_HSI48CALIBRATION_DEFAULT 
+  * @retval None
+  */
+__STATIC_INLINE void LL_CRS_SetHSI48SmoothTrimming(uint32_t Value)
+{
+  MODIFY_REG(CRS->CR, CRS_CR_TRIM, Value << CRS_POSITION_TRIM);
+}
+
+/**
+  * @brief  Get HSI48 oscillator smooth trimming
+  * @rmtoll CR           TRIM          LL_CRS_GetHSI48SmoothTrimming
+  * @retval a number between Min_Data = 0 and Max_Data = 63
+  */
+__STATIC_INLINE uint32_t LL_CRS_GetHSI48SmoothTrimming(void)
+{
+  return (uint32_t)(READ_BIT(CRS->CR, CRS_CR_TRIM) >> CRS_POSITION_TRIM);
+}
+
+/**
+  * @brief  Set counter reload value
+  * @rmtoll CFGR         RELOAD        LL_CRS_SetReloadCounter
+  * @param  Value a number between Min_Data = 0 and Max_Data = 0xFFFF
+  * @note   Default value can be set thanks to @ref LL_CRS_RELOADVALUE_DEFAULT 
+  *         Otherwise it can be calculated in using macro @ref __LL_CRS_CALC_CALCULATE_RELOADVALUE (_FTARGET_, _FSYNC_)
+  * @retval None
+  */
+__STATIC_INLINE void LL_CRS_SetReloadCounter(uint32_t Value)
+{
+  MODIFY_REG(CRS->CFGR, CRS_CFGR_RELOAD, Value);
+}
+
+/**
+  * @brief  Get counter reload value
+  * @rmtoll CFGR         RELOAD        LL_CRS_GetReloadCounter
+  * @retval a number between Min_Data = 0 and Max_Data = 0xFFFF
+  */
+__STATIC_INLINE uint32_t LL_CRS_GetReloadCounter(void)
+{
+  return (uint32_t)(READ_BIT(CRS->CFGR, CRS_CFGR_RELOAD));
+}
+
+/**
+  * @brief  Set frequency error limit
+  * @rmtoll CFGR         FELIM         LL_CRS_SetFreqErrorLimit
+  * @param  Value a number between Min_Data = 0 and Max_Data = 255
+  * @note   Default value can be set thanks to @ref LL_CRS_ERRORLIMIT_DEFAULT 
+  * @retval None
+  */
+__STATIC_INLINE void LL_CRS_SetFreqErrorLimit(uint32_t Value)
+{
+  MODIFY_REG(CRS->CFGR, CRS_CFGR_FELIM, Value << CRS_POSITION_FELIM);
+}
+
+/**
+  * @brief  Get frequency error limit
+  * @rmtoll CFGR         FELIM         LL_CRS_GetFreqErrorLimit
+  * @retval A number between Min_Data = 0 and Max_Data = 255
+  */
+__STATIC_INLINE uint32_t LL_CRS_GetFreqErrorLimit(void)
+{
+  return (uint32_t)(READ_BIT(CRS->CFGR, CRS_CFGR_FELIM) >> CRS_POSITION_FELIM);
+}
+
+/**
+  * @brief  Set division factor for SYNC signal
+  * @rmtoll CFGR         SYNCDIV       LL_CRS_SetSyncDivider
+  * @param  Divider This parameter can be one of the following values:
+  *         @arg @ref LL_CRS_SYNC_DIV_1
+  *         @arg @ref LL_CRS_SYNC_DIV_2
+  *         @arg @ref LL_CRS_SYNC_DIV_4
+  *         @arg @ref LL_CRS_SYNC_DIV_8
+  *         @arg @ref LL_CRS_SYNC_DIV_16
+  *         @arg @ref LL_CRS_SYNC_DIV_32
+  *         @arg @ref LL_CRS_SYNC_DIV_64
+  *         @arg @ref LL_CRS_SYNC_DIV_128
+  * @retval None
+  */
+__STATIC_INLINE void LL_CRS_SetSyncDivider(uint32_t Divider)
+{
+  MODIFY_REG(CRS->CFGR, CRS_CFGR_SYNCDIV, Divider);
+}
+
+/**
+  * @brief  Get division factor for SYNC signal
+  * @rmtoll CFGR         SYNCDIV       LL_CRS_GetSyncDivider
+  * @retval Returned value can be one of the following values:
+  *         @arg @ref LL_CRS_SYNC_DIV_1
+  *         @arg @ref LL_CRS_SYNC_DIV_2
+  *         @arg @ref LL_CRS_SYNC_DIV_4
+  *         @arg @ref LL_CRS_SYNC_DIV_8
+  *         @arg @ref LL_CRS_SYNC_DIV_16
+  *         @arg @ref LL_CRS_SYNC_DIV_32
+  *         @arg @ref LL_CRS_SYNC_DIV_64
+  *         @arg @ref LL_CRS_SYNC_DIV_128
+  */
+__STATIC_INLINE uint32_t LL_CRS_GetSyncDivider(void)
+{
+  return (uint32_t)(READ_BIT(CRS->CFGR, CRS_CFGR_SYNCDIV));
+}
+
+/**
+  * @brief  Set SYNC signal source
+  * @rmtoll CFGR         SYNCSRC       LL_CRS_SetSyncSignalSource
+  * @param  Source This parameter can be one of the following values:
+  *         @arg @ref LL_CRS_SYNC_SOURCE_GPIO
+  *         @arg @ref LL_CRS_SYNC_SOURCE_LSE
+  *         @arg @ref LL_CRS_SYNC_SOURCE_USB
+  * @retval None
+  */
+__STATIC_INLINE void LL_CRS_SetSyncSignalSource(uint32_t Source)
+{
+  MODIFY_REG(CRS->CFGR, CRS_CFGR_SYNCSRC, Source);
+}
+
+/**
+  * @brief  Get SYNC signal source
+  * @rmtoll CFGR         SYNCSRC       LL_CRS_GetSyncSignalSource
+  * @retval Returned value can be one of the following values:
+  *         @arg @ref LL_CRS_SYNC_SOURCE_GPIO
+  *         @arg @ref LL_CRS_SYNC_SOURCE_LSE
+  *         @arg @ref LL_CRS_SYNC_SOURCE_USB
+  */
+__STATIC_INLINE uint32_t LL_CRS_GetSyncSignalSource(void)
+{
+  return (uint32_t)(READ_BIT(CRS->CFGR, CRS_CFGR_SYNCSRC));
+}
+
+/**
+  * @brief  Set input polarity for the SYNC signal source
+  * @rmtoll CFGR         SYNCPOL       LL_CRS_SetSyncPolarity
+  * @param  Polarity This parameter can be one of the following values:
+  *         @arg @ref LL_CRS_SYNC_POLARITY_RISING
+  *         @arg @ref LL_CRS_SYNC_POLARITY_FALLING
+  * @retval None
+  */
+__STATIC_INLINE void LL_CRS_SetSyncPolarity(uint32_t Polarity)
+{
+  MODIFY_REG(CRS->CFGR, CRS_CFGR_SYNCPOL, Polarity);
+}
+
+/**
+  * @brief  Get input polarity for the SYNC signal source
+  * @rmtoll CFGR         SYNCPOL       LL_CRS_GetSyncPolarity
+  * @retval Returned value can be one of the following values:
+  *         @arg @ref LL_CRS_SYNC_POLARITY_RISING
+  *         @arg @ref LL_CRS_SYNC_POLARITY_FALLING
+  */
+__STATIC_INLINE uint32_t LL_CRS_GetSyncPolarity(void)
+{
+  return (uint32_t)(READ_BIT(CRS->CFGR, CRS_CFGR_SYNCPOL));
+}
+
+/**
+  * @brief  Configure CRS for the synchronization
+  * @rmtoll CR           TRIM          LL_CRS_ConfigSynchronization\n
+  *         CFGR         RELOAD        LL_CRS_ConfigSynchronization\n
+  *         CFGR         FELIM         LL_CRS_ConfigSynchronization\n
+  *         CFGR         SYNCDIV       LL_CRS_ConfigSynchronization\n
+  *         CFGR         SYNCSRC       LL_CRS_ConfigSynchronization\n
+  *         CFGR         SYNCPOL       LL_CRS_ConfigSynchronization
+  * @param  HSI48CalibrationValue a number between Min_Data = 0 and Max_Data = 63
+  * @param  ErrorLimitValue a number between Min_Data = 0 and Max_Data = 0xFFFF
+  * @param  ReloadValue a number between Min_Data = 0 and Max_Data = 255
+  * @param  Settings This parameter can be a combination of the following values:
+  *         @arg @ref LL_CRS_SYNC_DIV_1 or @ref LL_CRS_SYNC_DIV_2 or @ref LL_CRS_SYNC_DIV_4 or @ref LL_CRS_SYNC_DIV_8
+  *              or @ref LL_CRS_SYNC_DIV_16 or @ref LL_CRS_SYNC_DIV_32 or @ref LL_CRS_SYNC_DIV_64 or @ref LL_CRS_SYNC_DIV_128
+  *         @arg @ref LL_CRS_SYNC_SOURCE_GPIO or @ref LL_CRS_SYNC_SOURCE_LSE or @ref LL_CRS_SYNC_SOURCE_USB
+  *         @arg @ref LL_CRS_SYNC_POLARITY_RISING or @ref LL_CRS_SYNC_POLARITY_FALLING
+  * @retval None
+  */
+__STATIC_INLINE void LL_CRS_ConfigSynchronization(uint32_t HSI48CalibrationValue, uint32_t ErrorLimitValue, uint32_t ReloadValue, uint32_t Settings)
+{
+  MODIFY_REG(CRS->CR, CRS_CR_TRIM, HSI48CalibrationValue);
+  MODIFY_REG(CRS->CFGR, 
+             CRS_CFGR_RELOAD | CRS_CFGR_FELIM | CRS_CFGR_SYNCDIV | CRS_CFGR_SYNCSRC | CRS_CFGR_SYNCPOL, 
+             ReloadValue | (ErrorLimitValue << CRS_POSITION_FELIM) | Settings);
+}
+
+/**
+  * @}
+  */
+
+/** @defgroup CRS_LL_EF_CRS_Management CRS_Management
+  * @{
+  */
+
+/**
+  * @brief  Generate software SYNC event
+  * @rmtoll CR           SWSYNC        LL_CRS_GenerateEvent_SWSYNC
+  * @retval None
+  */
+__STATIC_INLINE void LL_CRS_GenerateEvent_SWSYNC(void)
+{
+  SET_BIT(CRS->CR, CRS_CR_SWSYNC);
+}
+
+/**
+  * @brief  Get the frequency error direction latched in the time of the last 
+  * SYNC event
+  * @rmtoll ISR          FEDIR         LL_CRS_GetFreqErrorDirection
+  * @retval Returned value can be one of the following values:
+  *         @arg @ref LL_CRS_FREQ_ERROR_DIR_UP
+  *         @arg @ref LL_CRS_FREQ_ERROR_DIR_DOWN
+  */
+__STATIC_INLINE uint32_t LL_CRS_GetFreqErrorDirection(void)
+{
+  return (uint32_t)(READ_BIT(CRS->ISR, CRS_ISR_FEDIR));
+}
+
+/**
+  * @brief  Get the frequency error counter value latched in the time of the last SYNC event
+  * @rmtoll ISR          FECAP         LL_CRS_GetFreqErrorCapture
+  * @retval A number between Min_Data = 0x0000 and Max_Data = 0xFFFF
+  */
+__STATIC_INLINE uint32_t LL_CRS_GetFreqErrorCapture(void)
+{
+  return (uint32_t)(READ_BIT(CRS->ISR, CRS_ISR_FECAP) >> CRS_POSITION_FECAP);
+}
+
+/**
+  * @}
+  */
+
+/** @defgroup CRS_LL_EF_FLAG_Management FLAG_Management
+  * @{
+  */
+
+/**
+  * @brief  Check if SYNC event OK signal occurred or not
+  * @rmtoll ISR          SYNCOKF       LL_CRS_IsActiveFlag_SYNCOK
+  * @retval State of bit (1 or 0).
+  */
+__STATIC_INLINE uint32_t LL_CRS_IsActiveFlag_SYNCOK(void)
+{
+  return (READ_BIT(CRS->ISR, CRS_ISR_SYNCOKF) == (CRS_ISR_SYNCOKF));
+}
+
+/**
+  * @brief  Check if SYNC warning signal occurred or not
+  * @rmtoll ISR          SYNCWARNF     LL_CRS_IsActiveFlag_SYNCWARN
+  * @retval State of bit (1 or 0).
+  */
+__STATIC_INLINE uint32_t LL_CRS_IsActiveFlag_SYNCWARN(void)
+{
+  return (READ_BIT(CRS->ISR, CRS_ISR_SYNCWARNF) == (CRS_ISR_SYNCWARNF));
+}
+
+/**
+  * @brief  Check if Synchronization or trimming error signal occurred or not
+  * @rmtoll ISR          ERRF          LL_CRS_IsActiveFlag_ERR
+  * @retval State of bit (1 or 0).
+  */
+__STATIC_INLINE uint32_t LL_CRS_IsActiveFlag_ERR(void)
+{
+  return (READ_BIT(CRS->ISR, CRS_ISR_ERRF) == (CRS_ISR_ERRF));
+}
+
+/**
+  * @brief  Check if Expected SYNC signal occurred or not
+  * @rmtoll ISR          ESYNCF        LL_CRS_IsActiveFlag_ESYNC
+  * @retval State of bit (1 or 0).
+  */
+__STATIC_INLINE uint32_t LL_CRS_IsActiveFlag_ESYNC(void)
+{
+  return (READ_BIT(CRS->ISR, CRS_ISR_ESYNCF) == (CRS_ISR_ESYNCF));
+}
+
+/**
+  * @brief  Check if SYNC error signal occurred or not
+  * @rmtoll ISR          SYNCERR       LL_CRS_IsActiveFlag_SYNCERR
+  * @retval State of bit (1 or 0).
+  */
+__STATIC_INLINE uint32_t LL_CRS_IsActiveFlag_SYNCERR(void)
+{
+  return (READ_BIT(CRS->ISR, CRS_ISR_SYNCERR) == (CRS_ISR_SYNCERR));
+}
+
+/**
+  * @brief  Check if SYNC missed error signal occurred or not
+  * @rmtoll ISR          SYNCMISS      LL_CRS_IsActiveFlag_SYNCMISS
+  * @retval State of bit (1 or 0).
+  */
+__STATIC_INLINE uint32_t LL_CRS_IsActiveFlag_SYNCMISS(void)
+{
+  return (READ_BIT(CRS->ISR, CRS_ISR_SYNCMISS) == (CRS_ISR_SYNCMISS));
+}
+
+/**
+  * @brief  Check if Trimming overflow or underflow occurred or not
+  * @rmtoll ISR          TRIMOVF       LL_CRS_IsActiveFlag_TRIMOVF
+  * @retval State of bit (1 or 0).
+  */
+__STATIC_INLINE uint32_t LL_CRS_IsActiveFlag_TRIMOVF(void)
+{
+  return (READ_BIT(CRS->ISR, CRS_ISR_TRIMOVF) == (CRS_ISR_TRIMOVF));
+}
+
+/**
+  * @brief  Clear the SYNC event OK flag
+  * @rmtoll ICR          SYNCOKC       LL_CRS_ClearFlag_SYNCOK
+  * @retval None
+  */
+__STATIC_INLINE void LL_CRS_ClearFlag_SYNCOK(void)
+{
+  WRITE_REG(CRS->ICR, CRS_ICR_SYNCOKC);
+}
+
+/**
+  * @brief  Clear the  SYNC warning flag
+  * @rmtoll ICR          SYNCWARNC     LL_CRS_ClearFlag_SYNCWARN
+  * @retval None
+  */
+__STATIC_INLINE void LL_CRS_ClearFlag_SYNCWARN(void)
+{
+  WRITE_REG(CRS->ICR, CRS_ICR_SYNCWARNC);
+}
+
+/**
+  * @brief  Clear TRIMOVF, SYNCMISS and SYNCERR bits and consequently also 
+  * the ERR flag
+  * @rmtoll ICR          ERRC          LL_CRS_ClearFlag_ERR
+  * @retval None
+  */
+__STATIC_INLINE void LL_CRS_ClearFlag_ERR(void)
+{
+  WRITE_REG(CRS->ICR, CRS_ICR_ERRC);
+}
+
+/**
+  * @brief  Clear Expected SYNC flag
+  * @rmtoll ICR          ESYNCC        LL_CRS_ClearFlag_ESYNC
+  * @retval None
+  */
+__STATIC_INLINE void LL_CRS_ClearFlag_ESYNC(void)
+{
+  WRITE_REG(CRS->ICR, CRS_ICR_ESYNCC);
+}
+
+/**
+  * @}
+  */
+
+/** @defgroup CRS_LL_EF_IT_Management IT_Management
+  * @{
+  */
+
+/**
+  * @brief  Enable SYNC event OK interrupt
+  * @rmtoll CR           SYNCOKIE      LL_CRS_EnableIT_SYNCOK
+  * @retval None
+  */
+__STATIC_INLINE void LL_CRS_EnableIT_SYNCOK(void)
+{
+  SET_BIT(CRS->CR, CRS_CR_SYNCOKIE);
+}
+
+/**
+  * @brief  Disable SYNC event OK interrupt
+  * @rmtoll CR           SYNCOKIE      LL_CRS_DisableIT_SYNCOK
+  * @retval None
+  */
+__STATIC_INLINE void LL_CRS_DisableIT_SYNCOK(void)
+{
+  CLEAR_BIT(CRS->CR, CRS_CR_SYNCOKIE);
+}
+
+/**
+  * @brief  Check if SYNC event OK interrupt is enabled or not
+  * @rmtoll CR           SYNCOKIE      LL_CRS_IsEnabledIT_SYNCOK
+  * @retval State of bit (1 or 0).
+  */
+__STATIC_INLINE uint32_t LL_CRS_IsEnabledIT_SYNCOK(void)
+{
+  return (READ_BIT(CRS->CR, CRS_CR_SYNCOKIE) == (CRS_CR_SYNCOKIE));
+}
+
+/**
+  * @brief  Enable SYNC warning interrupt
+  * @rmtoll CR           SYNCWARNIE    LL_CRS_EnableIT_SYNCWARN
+  * @retval None
+  */
+__STATIC_INLINE void LL_CRS_EnableIT_SYNCWARN(void)
+{
+  SET_BIT(CRS->CR, CRS_CR_SYNCWARNIE);
+}
+
+/**
+  * @brief  Disable SYNC warning interrupt
+  * @rmtoll CR           SYNCWARNIE    LL_CRS_DisableIT_SYNCWARN
+  * @retval None
+  */
+__STATIC_INLINE void LL_CRS_DisableIT_SYNCWARN(void)
+{
+  CLEAR_BIT(CRS->CR, CRS_CR_SYNCWARNIE);
+}
+
+/**
+  * @brief  Check if SYNC warning interrupt is enabled or not
+  * @rmtoll CR           SYNCWARNIE    LL_CRS_IsEnabledIT_SYNCWARN
+  * @retval State of bit (1 or 0).
+  */
+__STATIC_INLINE uint32_t LL_CRS_IsEnabledIT_SYNCWARN(void)
+{
+  return (READ_BIT(CRS->CR, CRS_CR_SYNCWARNIE) == (CRS_CR_SYNCWARNIE));
+}
+
+/**
+  * @brief  Enable Synchronization or trimming error interrupt
+  * @rmtoll CR           ERRIE         LL_CRS_EnableIT_ERR
+  * @retval None
+  */
+__STATIC_INLINE void LL_CRS_EnableIT_ERR(void)
+{
+  SET_BIT(CRS->CR, CRS_CR_ERRIE);
+}
+
+/**
+  * @brief  Disable Synchronization or trimming error interrupt
+  * @rmtoll CR           ERRIE         LL_CRS_DisableIT_ERR
+  * @retval None
+  */
+__STATIC_INLINE void LL_CRS_DisableIT_ERR(void)
+{
+  CLEAR_BIT(CRS->CR, CRS_CR_ERRIE);
+}
+
+/**
+  * @brief  Check if Synchronization or trimming error interrupt is enabled or not
+  * @rmtoll CR           ERRIE         LL_CRS_IsEnabledIT_ERR
+  * @retval State of bit (1 or 0).
+  */
+__STATIC_INLINE uint32_t LL_CRS_IsEnabledIT_ERR(void)
+{
+  return (READ_BIT(CRS->CR, CRS_CR_ERRIE) == (CRS_CR_ERRIE));
+}
+
+/**
+  * @brief  Enable Expected SYNC interrupt
+  * @rmtoll CR           ESYNCIE       LL_CRS_EnableIT_ESYNC
+  * @retval None
+  */
+__STATIC_INLINE void LL_CRS_EnableIT_ESYNC(void)
+{
+  SET_BIT(CRS->CR, CRS_CR_ESYNCIE);
+}
+
+/**
+  * @brief  Disable Expected SYNC interrupt
+  * @rmtoll CR           ESYNCIE       LL_CRS_DisableIT_ESYNC
+  * @retval None
+  */
+__STATIC_INLINE void LL_CRS_DisableIT_ESYNC(void)
+{
+  CLEAR_BIT(CRS->CR, CRS_CR_ESYNCIE);
+}
+
+/**
+  * @brief  Check if Expected SYNC interrupt is enabled or not
+  * @rmtoll CR           ESYNCIE       LL_CRS_IsEnabledIT_ESYNC
+  * @retval State of bit (1 or 0).
+  */
+__STATIC_INLINE uint32_t LL_CRS_IsEnabledIT_ESYNC(void)
+{
+  return (READ_BIT(CRS->CR, CRS_CR_ESYNCIE) == (CRS_CR_ESYNCIE));
+}
+
+/**
+  * @}
+  */
+
+#if defined(USE_FULL_LL_DRIVER)
+/** @defgroup CRS_LL_EF_Init Initialization and de-initialization functions
+  * @{
+  */
+  
+ErrorStatus LL_CRS_DeInit(void);
+
+/**
+  * @}
+  */
+#endif /* USE_FULL_LL_DRIVER */
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+#endif /* defined(CRS) */
+
+/**
+  * @}
+  */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __STM32L4xx_LL_CRS_H */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/