stm32lib/STM32L1xx_HAL_Driver/Inc/stm32l1xx_ll_rcc.h

/**
  ******************************************************************************
  * @file    stm32l1xx_ll_rcc.h
  * @author  MCD Application Team
  * @brief   Header file of RCC LL module.
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; Copyright(c) 2017 STMicroelectronics.
  * All rights reserved.</center></h2>
  *
  * This software component is licensed by ST under BSD 3-Clause license,
  * the "License"; You may not use this file except in compliance with the
  * License. You may obtain a copy of the License at:
  *                        opensource.org/licenses/BSD-3-Clause
  *
  ******************************************************************************
  */

/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __STM32L1xx_LL_RCC_H
#define __STM32L1xx_LL_RCC_H

#ifdef __cplusplus
extern "C" {
#endif

/* Includes ------------------------------------------------------------------*/
#include "stm32l1xx.h"

/** @addtogroup STM32L1xx_LL_Driver
  * @{
  */

#if defined(RCC)

/** @defgroup RCC_LL RCC
  * @{
  */

/* Private types -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Private constants ---------------------------------------------------------*/
/* Private macros ------------------------------------------------------------*/
/* Exported types ------------------------------------------------------------*/
#if defined(USE_FULL_LL_DRIVER)
/** @defgroup RCC_LL_Exported_Types RCC Exported Types
  * @{
  */

/** @defgroup LL_ES_CLOCK_FREQ Clocks Frequency Structure
  * @{
  */

/**
  * @brief  RCC Clocks Frequency Structure
  */
typedef struct
{
  uint32_t SYSCLK_Frequency;        /*!< SYSCLK clock frequency */
  uint32_t HCLK_Frequency;          /*!< HCLK clock frequency */
  uint32_t PCLK1_Frequency;         /*!< PCLK1 clock frequency */
  uint32_t PCLK2_Frequency;         /*!< PCLK2 clock frequency */
} LL_RCC_ClocksTypeDef;

/**
  * @}
  */

/**
  * @}
  */
#endif /* USE_FULL_LL_DRIVER */

/* Exported constants --------------------------------------------------------*/
/** @defgroup RCC_LL_Exported_Constants RCC Exported Constants
  * @{
  */

/** @defgroup RCC_LL_EC_OSC_VALUES Oscillator Values adaptation
  * @brief    Defines used to adapt values of different oscillators
  * @note     These values could be modified in the user environment according to
  *           HW set-up.
  * @{
  */
#if !defined  (HSE_VALUE)
#define HSE_VALUE    8000000U  /*!< Value of the HSE oscillator in Hz */
#endif /* HSE_VALUE */

#if !defined  (HSI_VALUE)
#define HSI_VALUE    16000000U  /*!< Value of the HSI oscillator in Hz */
#endif /* HSI_VALUE */

#if !defined  (LSE_VALUE)
#define LSE_VALUE    32768U    /*!< Value of the LSE oscillator in Hz */
#endif /* LSE_VALUE */

#if !defined  (LSI_VALUE)
#define LSI_VALUE    37000U    /*!< Value of the LSI oscillator in Hz */
#endif /* LSI_VALUE */
/**
  * @}
  */

/** @defgroup RCC_LL_EC_CLEAR_FLAG Clear Flags Defines
  * @brief    Flags defines which can be used with LL_RCC_WriteReg function
  * @{
  */
#define LL_RCC_CIR_LSIRDYC                RCC_CIR_LSIRDYC     /*!< LSI Ready Interrupt Clear */
#define LL_RCC_CIR_LSERDYC                RCC_CIR_LSERDYC     /*!< LSE Ready Interrupt Clear */
#define LL_RCC_CIR_HSIRDYC                RCC_CIR_HSIRDYC     /*!< HSI Ready Interrupt Clear */
#define LL_RCC_CIR_HSERDYC                RCC_CIR_HSERDYC     /*!< HSE Ready Interrupt Clear */
#define LL_RCC_CIR_PLLRDYC                RCC_CIR_PLLRDYC     /*!< PLL Ready Interrupt Clear */
#define LL_RCC_CIR_MSIRDYC                RCC_CIR_MSIRDYC     /*!< MSI Ready Interrupt Clear */
#if defined(RCC_LSECSS_SUPPORT)
#define LL_RCC_CIR_LSECSSC                RCC_CIR_LSECSSC     /*!< LSE Clock Security System Interrupt Clear */
#endif /* RCC_LSECSS_SUPPORT */
#define LL_RCC_CIR_CSSC                   RCC_CIR_CSSC        /*!< Clock Security System Interrupt Clear */
/**
  * @}
  */

/** @defgroup RCC_LL_EC_GET_FLAG Get Flags Defines
  * @brief    Flags defines which can be used with LL_RCC_ReadReg function
  * @{
  */
#define LL_RCC_CIR_LSIRDYF                RCC_CIR_LSIRDYF     /*!< LSI Ready Interrupt flag */
#define LL_RCC_CIR_LSERDYF                RCC_CIR_LSERDYF     /*!< LSE Ready Interrupt flag */
#define LL_RCC_CIR_HSIRDYF                RCC_CIR_HSIRDYF     /*!< HSI Ready Interrupt flag */
#define LL_RCC_CIR_HSERDYF                RCC_CIR_HSERDYF     /*!< HSE Ready Interrupt flag */
#define LL_RCC_CIR_PLLRDYF                RCC_CIR_PLLRDYF     /*!< PLL Ready Interrupt flag */
#define LL_RCC_CIR_MSIRDYF                RCC_CIR_MSIRDYF     /*!< MSI Ready Interrupt flag */
#if defined(RCC_LSECSS_SUPPORT)
#define LL_RCC_CIR_LSECSSF                RCC_CIR_LSECSSF    /*!< LSE Clock Security System Interrupt flag */
#endif /* RCC_LSECSS_SUPPORT */
#define LL_RCC_CIR_CSSF                   RCC_CIR_CSSF       /*!< Clock Security System Interrupt flag */
#define LL_RCC_CSR_OBLRSTF                RCC_CSR_OBLRSTF         /*!< OBL reset flag */
#define LL_RCC_CSR_PINRSTF                RCC_CSR_PINRSTF         /*!< PIN reset flag */
#define LL_RCC_CSR_PORRSTF                RCC_CSR_PORRSTF         /*!< POR/PDR reset flag */
#define LL_RCC_CSR_SFTRSTF                RCC_CSR_SFTRSTF         /*!< Software Reset flag */
#define LL_RCC_CSR_IWDGRSTF               RCC_CSR_IWDGRSTF        /*!< Independent Watchdog reset flag */
#define LL_RCC_CSR_WWDGRSTF               RCC_CSR_WWDGRSTF        /*!< Window watchdog reset flag */
#define LL_RCC_CSR_LPWRRSTF               RCC_CSR_LPWRRSTF        /*!< Low-Power reset flag */
/**
  * @}
  */

/** @defgroup RCC_LL_EC_IT IT Defines
  * @brief    IT defines which can be used with LL_RCC_ReadReg and  LL_RCC_WriteReg functions
  * @{
  */
#define LL_RCC_CIR_LSIRDYIE               RCC_CIR_LSIRDYIE      /*!< LSI Ready Interrupt Enable */
#define LL_RCC_CIR_LSERDYIE               RCC_CIR_LSERDYIE      /*!< LSE Ready Interrupt Enable */
#define LL_RCC_CIR_HSIRDYIE               RCC_CIR_HSIRDYIE      /*!< HSI Ready Interrupt Enable */
#define LL_RCC_CIR_HSERDYIE               RCC_CIR_HSERDYIE      /*!< HSE Ready Interrupt Enable */
#define LL_RCC_CIR_PLLRDYIE               RCC_CIR_PLLRDYIE      /*!< PLL Ready Interrupt Enable */
#define LL_RCC_CIR_MSIRDYIE               RCC_CIR_MSIRDYIE      /*!< MSI Ready Interrupt Enable */
#if defined(RCC_LSECSS_SUPPORT)
#define LL_RCC_CIR_LSECSSIE               RCC_CIR_LSECSSIE      /*!< LSE CSS Interrupt Enable */
#endif /* RCC_LSECSS_SUPPORT */
/**
  * @}
  */

/** @defgroup RCC_LL_EC_RTC_HSE_DIV RTC HSE Prescaler
  * @{
  */
#define LL_RCC_RTC_HSE_DIV_2               0x00000000U          /*!< HSE is divided by 2 for RTC clock  */
#define LL_RCC_RTC_HSE_DIV_4               RCC_CR_RTCPRE_0      /*!< HSE is divided by 4 for RTC clock  */
#define LL_RCC_RTC_HSE_DIV_8               RCC_CR_RTCPRE_1      /*!< HSE is divided by 8 for RTC clock  */
#define LL_RCC_RTC_HSE_DIV_16              RCC_CR_RTCPRE        /*!< HSE is divided by 16 for RTC clock */
/**
  * @}
  */

/** @defgroup RCC_LL_EC_MSIRANGE  MSI clock ranges
  * @{
  */
#define LL_RCC_MSIRANGE_0                  RCC_ICSCR_MSIRANGE_0  /*!< MSI = 65.536 KHz */
#define LL_RCC_MSIRANGE_1                  RCC_ICSCR_MSIRANGE_1  /*!< MSI = 131.072 KHz*/
#define LL_RCC_MSIRANGE_2                  RCC_ICSCR_MSIRANGE_2  /*!< MSI = 262.144 KHz */
#define LL_RCC_MSIRANGE_3                  RCC_ICSCR_MSIRANGE_3  /*!< MSI = 524.288 KHz */
#define LL_RCC_MSIRANGE_4                  RCC_ICSCR_MSIRANGE_4  /*!< MSI = 1.048 MHz */
#define LL_RCC_MSIRANGE_5                  RCC_ICSCR_MSIRANGE_5  /*!< MSI = 2.097 MHz */
#define LL_RCC_MSIRANGE_6                  RCC_ICSCR_MSIRANGE_6  /*!< MSI = 4.194 MHz */
/**
  * @}
  */

/** @defgroup RCC_LL_EC_SYS_CLKSOURCE  System clock switch
  * @{
  */
#define LL_RCC_SYS_CLKSOURCE_MSI           RCC_CFGR_SW_MSI    /*!< MSI selection as system clock */
#define LL_RCC_SYS_CLKSOURCE_HSI           RCC_CFGR_SW_HSI    /*!< HSI selection as system clock */
#define LL_RCC_SYS_CLKSOURCE_HSE           RCC_CFGR_SW_HSE    /*!< HSE selection as system clock */
#define LL_RCC_SYS_CLKSOURCE_PLL           RCC_CFGR_SW_PLL    /*!< PLL selection as system clock */
/**
  * @}
  */

/** @defgroup RCC_LL_EC_SYS_CLKSOURCE_STATUS  System clock switch status
  * @{
  */
#define LL_RCC_SYS_CLKSOURCE_STATUS_MSI    RCC_CFGR_SWS_MSI   /*!< MSI used as system clock */
#define LL_RCC_SYS_CLKSOURCE_STATUS_HSI    RCC_CFGR_SWS_HSI   /*!< HSI used as system clock */
#define LL_RCC_SYS_CLKSOURCE_STATUS_HSE    RCC_CFGR_SWS_HSE   /*!< HSE used as system clock */
#define LL_RCC_SYS_CLKSOURCE_STATUS_PLL    RCC_CFGR_SWS_PLL   /*!< PLL used as system clock */
/**
  * @}
  */

/** @defgroup RCC_LL_EC_SYSCLK_DIV  AHB prescaler
  * @{
  */
#define LL_RCC_SYSCLK_DIV_1                RCC_CFGR_HPRE_DIV1   /*!< SYSCLK not divided */
#define LL_RCC_SYSCLK_DIV_2                RCC_CFGR_HPRE_DIV2   /*!< SYSCLK divided by 2 */
#define LL_RCC_SYSCLK_DIV_4                RCC_CFGR_HPRE_DIV4   /*!< SYSCLK divided by 4 */
#define LL_RCC_SYSCLK_DIV_8                RCC_CFGR_HPRE_DIV8   /*!< SYSCLK divided by 8 */
#define LL_RCC_SYSCLK_DIV_16               RCC_CFGR_HPRE_DIV16  /*!< SYSCLK divided by 16 */
#define LL_RCC_SYSCLK_DIV_64               RCC_CFGR_HPRE_DIV64  /*!< SYSCLK divided by 64 */
#define LL_RCC_SYSCLK_DIV_128              RCC_CFGR_HPRE_DIV128 /*!< SYSCLK divided by 128 */
#define LL_RCC_SYSCLK_DIV_256              RCC_CFGR_HPRE_DIV256 /*!< SYSCLK divided by 256 */
#define LL_RCC_SYSCLK_DIV_512              RCC_CFGR_HPRE_DIV512 /*!< SYSCLK divided by 512 */
/**
  * @}
  */

/** @defgroup RCC_LL_EC_APB1_DIV  APB low-speed prescaler (APB1)
  * @{
  */
#define LL_RCC_APB1_DIV_1                  RCC_CFGR_PPRE1_DIV1  /*!< HCLK not divided */
#define LL_RCC_APB1_DIV_2                  RCC_CFGR_PPRE1_DIV2  /*!< HCLK divided by 2 */
#define LL_RCC_APB1_DIV_4                  RCC_CFGR_PPRE1_DIV4  /*!< HCLK divided by 4 */
#define LL_RCC_APB1_DIV_8                  RCC_CFGR_PPRE1_DIV8  /*!< HCLK divided by 8 */
#define LL_RCC_APB1_DIV_16                 RCC_CFGR_PPRE1_DIV16 /*!< HCLK divided by 16 */
/**
  * @}
  */

/** @defgroup RCC_LL_EC_APB2_DIV  APB high-speed prescaler (APB2)
  * @{
  */
#define LL_RCC_APB2_DIV_1                  RCC_CFGR_PPRE2_DIV1  /*!< HCLK not divided */
#define LL_RCC_APB2_DIV_2                  RCC_CFGR_PPRE2_DIV2  /*!< HCLK divided by 2 */
#define LL_RCC_APB2_DIV_4                  RCC_CFGR_PPRE2_DIV4  /*!< HCLK divided by 4 */
#define LL_RCC_APB2_DIV_8                  RCC_CFGR_PPRE2_DIV8  /*!< HCLK divided by 8 */
#define LL_RCC_APB2_DIV_16                 RCC_CFGR_PPRE2_DIV16 /*!< HCLK divided by 16 */
/**
  * @}
  */

/** @defgroup RCC_LL_EC_MCO1SOURCE  MCO1 SOURCE selection
  * @{
  */
#define LL_RCC_MCO1SOURCE_NOCLOCK          RCC_CFGR_MCOSEL_NOCLOCK      /*!< MCO output disabled, no clock on MCO */
#define LL_RCC_MCO1SOURCE_SYSCLK           RCC_CFGR_MCOSEL_SYSCLK       /*!< SYSCLK selection as MCO source */
#define LL_RCC_MCO1SOURCE_HSI              RCC_CFGR_MCOSEL_HSI          /*!< HSI selection as MCO source */
#define LL_RCC_MCO1SOURCE_MSI              RCC_CFGR_MCOSEL_MSI          /*!< MSI selection as MCO source */
#define LL_RCC_MCO1SOURCE_HSE              RCC_CFGR_MCOSEL_HSE          /*!< HSE selection as MCO source */
#define LL_RCC_MCO1SOURCE_LSI              RCC_CFGR_MCOSEL_LSI          /*!< LSI selection as MCO source */
#define LL_RCC_MCO1SOURCE_LSE              RCC_CFGR_MCOSEL_LSE          /*!< LSE selection as MCO source */
#define LL_RCC_MCO1SOURCE_PLLCLK           RCC_CFGR_MCOSEL_PLL          /*!< PLLCLK selection as MCO source */
/**
  * @}
  */

/** @defgroup RCC_LL_EC_MCO1_DIV  MCO1 prescaler
  * @{
  */
#define LL_RCC_MCO1_DIV_1                  RCC_CFGR_MCOPRE_DIV1  /*!< MCO Clock divided by 1  */
#define LL_RCC_MCO1_DIV_2                  RCC_CFGR_MCOPRE_DIV2  /*!< MCO Clock divided by 2  */
#define LL_RCC_MCO1_DIV_4                  RCC_CFGR_MCOPRE_DIV4  /*!< MCO Clock divided by 4  */
#define LL_RCC_MCO1_DIV_8                  RCC_CFGR_MCOPRE_DIV8  /*!< MCO Clock divided by 8  */
#define LL_RCC_MCO1_DIV_16                 RCC_CFGR_MCOPRE_DIV16 /*!< MCO Clock divided by 16 */
/**
  * @}
  */
#if defined(USE_FULL_LL_DRIVER)
/** @defgroup RCC_LL_EC_PERIPH_FREQUENCY Peripheral clock frequency
  * @{
  */
#define LL_RCC_PERIPH_FREQUENCY_NO         0x00000000U      /*!< No clock enabled for the peripheral            */
#define LL_RCC_PERIPH_FREQUENCY_NA         0xFFFFFFFFU      /*!< Frequency cannot be provided as external clock */
/**
  * @}
  */
#endif /* USE_FULL_LL_DRIVER */



/** @defgroup RCC_LL_EC_RTC_CLKSOURCE  RTC clock source selection
  * @{
  */
#define LL_RCC_RTC_CLKSOURCE_NONE          0x00000000U                   /*!< No clock used as RTC clock */
#define LL_RCC_RTC_CLKSOURCE_LSE           RCC_CSR_RTCSEL_LSE            /*!< LSE oscillator clock used as RTC clock */
#define LL_RCC_RTC_CLKSOURCE_LSI           RCC_CSR_RTCSEL_LSI            /*!< LSI oscillator clock used as RTC clock */
#define LL_RCC_RTC_CLKSOURCE_HSE           RCC_CSR_RTCSEL_HSE            /*!< HSE oscillator clock divided by a programmable prescaler
                                                                             (selection through @ref LL_RCC_SetRTC_HSEPrescaler function ) */
/**
  * @}
  */

/** @defgroup RCC_LL_EC_PLL_MUL PLL Multiplicator factor
  * @{
  */
#define LL_RCC_PLL_MUL_3                   RCC_CFGR_PLLMUL3  /*!< PLL input clock * 3  */
#define LL_RCC_PLL_MUL_4                   RCC_CFGR_PLLMUL4  /*!< PLL input clock * 4  */
#define LL_RCC_PLL_MUL_6                   RCC_CFGR_PLLMUL6  /*!< PLL input clock * 6  */
#define LL_RCC_PLL_MUL_8                   RCC_CFGR_PLLMUL8  /*!< PLL input clock * 8  */
#define LL_RCC_PLL_MUL_12                  RCC_CFGR_PLLMUL12 /*!< PLL input clock * 12 */
#define LL_RCC_PLL_MUL_16                  RCC_CFGR_PLLMUL16 /*!< PLL input clock * 16 */
#define LL_RCC_PLL_MUL_24                  RCC_CFGR_PLLMUL24 /*!< PLL input clock * 24 */
#define LL_RCC_PLL_MUL_32                  RCC_CFGR_PLLMUL32 /*!< PLL input clock * 32 */
#define LL_RCC_PLL_MUL_48                  RCC_CFGR_PLLMUL48 /*!< PLL input clock * 48 */
/**
  * @}
  */

/** @defgroup RCC_LL_EC_PLL_DIV PLL division factor
  * @{
  */
#define LL_RCC_PLL_DIV_2                   RCC_CFGR_PLLDIV2 /*!< PLL clock output = PLLVCO / 2 */
#define LL_RCC_PLL_DIV_3                   RCC_CFGR_PLLDIV3 /*!< PLL clock output = PLLVCO / 3 */
#define LL_RCC_PLL_DIV_4                   RCC_CFGR_PLLDIV4 /*!< PLL clock output = PLLVCO / 4 */
/**
  * @}
  */

/** @defgroup RCC_LL_EC_PLLSOURCE PLL SOURCE
  * @{
  */
#define LL_RCC_PLLSOURCE_HSI               RCC_CFGR_PLLSRC_HSI                           /*!< HSI clock selected as PLL entry clock source */
#define LL_RCC_PLLSOURCE_HSE               RCC_CFGR_PLLSRC_HSE                           /*!< HSE clock selected as PLL entry clock source */
/**
  * @}
  */

/**
  * @}
  */

/* Exported macro ------------------------------------------------------------*/
/** @defgroup RCC_LL_Exported_Macros RCC Exported Macros
  * @{
  */

/** @defgroup RCC_LL_EM_WRITE_READ Common Write and read registers Macros
  * @{
  */

/**
  * @brief  Write a value in RCC register
  * @param  __REG__ Register to be written
  * @param  __VALUE__ Value to be written in the register
  * @retval None
  */
#define LL_RCC_WriteReg(__REG__, __VALUE__) WRITE_REG(RCC->__REG__, (__VALUE__))

/**
  * @brief  Read a value in RCC register
  * @param  __REG__ Register to be read
  * @retval Register value
  */
#define LL_RCC_ReadReg(__REG__) READ_REG(RCC->__REG__)
/**
  * @}
  */

/** @defgroup RCC_LL_EM_CALC_FREQ Calculate frequencies
  * @{
  */

/**
  * @brief  Helper macro to calculate the PLLCLK frequency
  * @note ex: @ref __LL_RCC_CALC_PLLCLK_FREQ (HSE_VALUE,
  *                                      @ref LL_RCC_PLL_GetMultiplicator (),
  *                                      @ref LL_RCC_PLL_GetDivider ());
  * @param  __INPUTFREQ__ PLL Input frequency (based on MSI/HSE/HSI)
  * @param  __PLLMUL__ This parameter can be one of the following values:
  *         @arg @ref LL_RCC_PLL_MUL_3
  *         @arg @ref LL_RCC_PLL_MUL_4
  *         @arg @ref LL_RCC_PLL_MUL_6
  *         @arg @ref LL_RCC_PLL_MUL_8
  *         @arg @ref LL_RCC_PLL_MUL_12
  *         @arg @ref LL_RCC_PLL_MUL_16
  *         @arg @ref LL_RCC_PLL_MUL_24
  *         @arg @ref LL_RCC_PLL_MUL_32
  *         @arg @ref LL_RCC_PLL_MUL_48
  * @param  __PLLDIV__ This parameter can be one of the following values:
  *         @arg @ref LL_RCC_PLL_DIV_2
  *         @arg @ref LL_RCC_PLL_DIV_3
  *         @arg @ref LL_RCC_PLL_DIV_4
  * @retval PLL clock frequency (in Hz)
  */
#define __LL_RCC_CALC_PLLCLK_FREQ(__INPUTFREQ__, __PLLMUL__,  __PLLDIV__) ((__INPUTFREQ__) * (PLLMulTable[(__PLLMUL__) >> RCC_CFGR_PLLMUL_Pos]) / (((__PLLDIV__) >> RCC_CFGR_PLLDIV_Pos)+1U))

/**
  * @brief  Helper macro to calculate the HCLK frequency
  * @note: __AHBPRESCALER__ be retrieved by @ref LL_RCC_GetAHBPrescaler
  *        ex: __LL_RCC_CALC_HCLK_FREQ(LL_RCC_GetAHBPrescaler())
  * @param  __SYSCLKFREQ__ SYSCLK frequency (based on MSI/HSE/HSI/PLLCLK)
  * @param  __AHBPRESCALER__ This parameter can be one of the following values:
  *         @arg @ref LL_RCC_SYSCLK_DIV_1
  *         @arg @ref LL_RCC_SYSCLK_DIV_2
  *         @arg @ref LL_RCC_SYSCLK_DIV_4
  *         @arg @ref LL_RCC_SYSCLK_DIV_8
  *         @arg @ref LL_RCC_SYSCLK_DIV_16
  *         @arg @ref LL_RCC_SYSCLK_DIV_64
  *         @arg @ref LL_RCC_SYSCLK_DIV_128
  *         @arg @ref LL_RCC_SYSCLK_DIV_256
  *         @arg @ref LL_RCC_SYSCLK_DIV_512
  * @retval HCLK clock frequency (in Hz)
  */
#define __LL_RCC_CALC_HCLK_FREQ(__SYSCLKFREQ__, __AHBPRESCALER__) ((__SYSCLKFREQ__) >> AHBPrescTable[((__AHBPRESCALER__) & RCC_CFGR_HPRE) >>  RCC_CFGR_HPRE_Pos])

/**
  * @brief  Helper macro to calculate the PCLK1 frequency (ABP1)
  * @note: __APB1PRESCALER__ be retrieved by @ref LL_RCC_GetAPB1Prescaler
  *        ex: __LL_RCC_CALC_PCLK1_FREQ(LL_RCC_GetAPB1Prescaler())
  * @param  __HCLKFREQ__ HCLK frequency
  * @param  __APB1PRESCALER__ This parameter can be one of the following values:
  *         @arg @ref LL_RCC_APB1_DIV_1
  *         @arg @ref LL_RCC_APB1_DIV_2
  *         @arg @ref LL_RCC_APB1_DIV_4
  *         @arg @ref LL_RCC_APB1_DIV_8
  *         @arg @ref LL_RCC_APB1_DIV_16
  * @retval PCLK1 clock frequency (in Hz)
  */
#define __LL_RCC_CALC_PCLK1_FREQ(__HCLKFREQ__, __APB1PRESCALER__) ((__HCLKFREQ__) >> APBPrescTable[(__APB1PRESCALER__) >>  RCC_CFGR_PPRE1_Pos])

/**
  * @brief  Helper macro to calculate the PCLK2 frequency (ABP2)
  * @note: __APB2PRESCALER__ be retrieved by @ref LL_RCC_GetAPB2Prescaler
  *        ex: __LL_RCC_CALC_PCLK2_FREQ(LL_RCC_GetAPB2Prescaler())
  * @param  __HCLKFREQ__ HCLK frequency
  * @param  __APB2PRESCALER__ This parameter can be one of the following values:
  *         @arg @ref LL_RCC_APB2_DIV_1
  *         @arg @ref LL_RCC_APB2_DIV_2
  *         @arg @ref LL_RCC_APB2_DIV_4
  *         @arg @ref LL_RCC_APB2_DIV_8
  *         @arg @ref LL_RCC_APB2_DIV_16
  * @retval PCLK2 clock frequency (in Hz)
  */
#define __LL_RCC_CALC_PCLK2_FREQ(__HCLKFREQ__, __APB2PRESCALER__) ((__HCLKFREQ__) >> APBPrescTable[(__APB2PRESCALER__) >>  RCC_CFGR_PPRE2_Pos])

/**
  * @brief  Helper macro to calculate the MSI frequency (in Hz)
  * @note: __MSIRANGE__can be retrieved by @ref LL_RCC_MSI_GetRange
  *        ex: __LL_RCC_CALC_MSI_FREQ(LL_RCC_MSI_GetRange())
  * @param  __MSIRANGE__ This parameter can be one of the following values:
  *         @arg @ref LL_RCC_MSIRANGE_0
  *         @arg @ref LL_RCC_MSIRANGE_1
  *         @arg @ref LL_RCC_MSIRANGE_2
  *         @arg @ref LL_RCC_MSIRANGE_3
  *         @arg @ref LL_RCC_MSIRANGE_4
  *         @arg @ref LL_RCC_MSIRANGE_5
  *         @arg @ref LL_RCC_MSIRANGE_6
  * @retval MSI clock frequency (in Hz)
  */
#define __LL_RCC_CALC_MSI_FREQ(__MSIRANGE__) ((32768U * ( 1UL << (((__MSIRANGE__) >> RCC_ICSCR_MSIRANGE_Pos) + 1U))))

/**
  * @}
  */

/**
  * @}
  */

/* Exported functions --------------------------------------------------------*/
/** @defgroup RCC_LL_Exported_Functions RCC Exported Functions
  * @{
  */

/** @defgroup RCC_LL_EF_HSE HSE
  * @{
  */

/**
  * @brief  Enable the Clock Security System.
  * @rmtoll CR           CSSON         LL_RCC_HSE_EnableCSS
  * @retval None
  */
__STATIC_INLINE void LL_RCC_HSE_EnableCSS(void)
{
  SET_BIT(RCC->CR, RCC_CR_CSSON);
}

/**
  * @brief  Disable the Clock Security System.
  * @note Cannot be disabled in HSE is ready (only by hardware)
  * @rmtoll CR           CSSON         LL_RCC_HSE_DisableCSS
  * @retval None
  */
__STATIC_INLINE void LL_RCC_HSE_DisableCSS(void)
{
  CLEAR_BIT(RCC->CR, RCC_CR_CSSON);
}

/**
  * @brief  Enable HSE external oscillator (HSE Bypass)
  * @rmtoll CR           HSEBYP        LL_RCC_HSE_EnableBypass
  * @retval None
  */
__STATIC_INLINE void LL_RCC_HSE_EnableBypass(void)
{
  SET_BIT(RCC->CR, RCC_CR_HSEBYP);
}

/**
  * @brief  Disable HSE external oscillator (HSE Bypass)
  * @rmtoll CR           HSEBYP        LL_RCC_HSE_DisableBypass
  * @retval None
  */
__STATIC_INLINE void LL_RCC_HSE_DisableBypass(void)
{
  CLEAR_BIT(RCC->CR, RCC_CR_HSEBYP);
}

/**
  * @brief  Enable HSE crystal oscillator (HSE ON)
  * @rmtoll CR           HSEON         LL_RCC_HSE_Enable
  * @retval None
  */
__STATIC_INLINE void LL_RCC_HSE_Enable(void)
{
  SET_BIT(RCC->CR, RCC_CR_HSEON);
}

/**
  * @brief  Disable HSE crystal oscillator (HSE ON)
  * @rmtoll CR           HSEON         LL_RCC_HSE_Disable
  * @retval None
  */
__STATIC_INLINE void LL_RCC_HSE_Disable(void)
{
  CLEAR_BIT(RCC->CR, RCC_CR_HSEON);
}

/**
  * @brief  Check if HSE oscillator Ready
  * @rmtoll CR           HSERDY        LL_RCC_HSE_IsReady
  * @retval State of bit (1 or 0).
  */
__STATIC_INLINE uint32_t LL_RCC_HSE_IsReady(void)
{
  return ((READ_BIT(RCC->CR, RCC_CR_HSERDY) == RCC_CR_HSERDY) ? 1UL : 0UL);
}

/**
  * @brief  Configure the RTC prescaler (divider)
  * @rmtoll CR           RTCPRE        LL_RCC_SetRTC_HSEPrescaler
  * @param  Div This parameter can be one of the following values:
  *         @arg @ref LL_RCC_RTC_HSE_DIV_2
  *         @arg @ref LL_RCC_RTC_HSE_DIV_4
  *         @arg @ref LL_RCC_RTC_HSE_DIV_8
  *         @arg @ref LL_RCC_RTC_HSE_DIV_16
  * @retval None
  */
__STATIC_INLINE void LL_RCC_SetRTC_HSEPrescaler(uint32_t Div)
{
  MODIFY_REG(RCC->CR, RCC_CR_RTCPRE, Div);
}

/**
  * @brief  Get the RTC divider (prescaler)
  * @rmtoll CR           RTCPRE        LL_RCC_GetRTC_HSEPrescaler
  * @retval Returned value can be one of the following values:
  *         @arg @ref LL_RCC_RTC_HSE_DIV_2
  *         @arg @ref LL_RCC_RTC_HSE_DIV_4
  *         @arg @ref LL_RCC_RTC_HSE_DIV_8
  *         @arg @ref LL_RCC_RTC_HSE_DIV_16
  */
__STATIC_INLINE uint32_t LL_RCC_GetRTC_HSEPrescaler(void)
{
  return (uint32_t)(READ_BIT(RCC->CR, RCC_CR_RTCPRE));
}

/**
  * @}
  */

/** @defgroup RCC_LL_EF_HSI HSI
  * @{
  */

/**
  * @brief  Enable HSI oscillator
  * @rmtoll CR           HSION         LL_RCC_HSI_Enable
  * @retval None
  */
__STATIC_INLINE void LL_RCC_HSI_Enable(void)
{
  SET_BIT(RCC->CR, RCC_CR_HSION);
}

/**
  * @brief  Disable HSI oscillator
  * @rmtoll CR           HSION         LL_RCC_HSI_Disable
  * @retval None
  */
__STATIC_INLINE void LL_RCC_HSI_Disable(void)
{
  CLEAR_BIT(RCC->CR, RCC_CR_HSION);
}

/**
  * @brief  Check if HSI clock is ready
  * @rmtoll CR           HSIRDY        LL_RCC_HSI_IsReady
  * @retval State of bit (1 or 0).
  */
__STATIC_INLINE uint32_t LL_RCC_HSI_IsReady(void)
{
  return ((READ_BIT(RCC->CR, RCC_CR_HSIRDY) == RCC_CR_HSIRDY) ? 1UL : 0UL);
}

/**
  * @brief  Get HSI Calibration value
  * @note When HSITRIM is written, HSICAL is updated with the sum of
  *       HSITRIM and the factory trim value
  * @rmtoll ICSCR        HSICAL        LL_RCC_HSI_GetCalibration
  * @retval Between Min_Data = 0x00 and Max_Data = 0xFF
  */
__STATIC_INLINE uint32_t LL_RCC_HSI_GetCalibration(void)
{
  return (uint32_t)(READ_BIT(RCC->ICSCR, RCC_ICSCR_HSICAL) >> RCC_ICSCR_HSICAL_Pos);
}

/**
  * @brief  Set HSI Calibration trimming
  * @note user-programmable trimming value that is added to the HSICAL
  * @note Default value is 16, which, when added to the HSICAL value,
  *       should trim the HSI to 16 MHz +/- 1 %
  * @rmtoll ICSCR        HSITRIM       LL_RCC_HSI_SetCalibTrimming
  * @param  Value between Min_Data = 0x00 and Max_Data = 0x1F
  * @retval None
  */
__STATIC_INLINE void LL_RCC_HSI_SetCalibTrimming(uint32_t Value)
{
  MODIFY_REG(RCC->ICSCR, RCC_ICSCR_HSITRIM, Value << RCC_ICSCR_HSITRIM_Pos);
}

/**
  * @brief  Get HSI Calibration trimming
  * @rmtoll ICSCR        HSITRIM       LL_RCC_HSI_GetCalibTrimming
  * @retval Between Min_Data = 0x00 and Max_Data = 0x1F
  */
__STATIC_INLINE uint32_t LL_RCC_HSI_GetCalibTrimming(void)
{
  return (uint32_t)(READ_BIT(RCC->ICSCR, RCC_ICSCR_HSITRIM) >> RCC_ICSCR_HSITRIM_Pos);
}

/**
  * @}
  */

/** @defgroup RCC_LL_EF_LSE LSE
  * @{
  */

/**
  * @brief  Enable  Low Speed External (LSE) crystal.
  * @rmtoll CSR         LSEON         LL_RCC_LSE_Enable
  * @retval None
  */
__STATIC_INLINE void LL_RCC_LSE_Enable(void)
{
  SET_BIT(RCC->CSR, RCC_CSR_LSEON);
}

/**
  * @brief  Disable  Low Speed External (LSE) crystal.
  * @rmtoll CSR         LSEON         LL_RCC_LSE_Disable
  * @retval None
  */
__STATIC_INLINE void LL_RCC_LSE_Disable(void)
{
  CLEAR_BIT(RCC->CSR, RCC_CSR_LSEON);
}

/**
  * @brief  Enable external clock source (LSE bypass).
  * @rmtoll CSR         LSEBYP        LL_RCC_LSE_EnableBypass
  * @retval None
  */
__STATIC_INLINE void LL_RCC_LSE_EnableBypass(void)
{
  SET_BIT(RCC->CSR, RCC_CSR_LSEBYP);
}

/**
  * @brief  Disable external clock source (LSE bypass).
  * @rmtoll CSR         LSEBYP        LL_RCC_LSE_DisableBypass
  * @retval None
  */
__STATIC_INLINE void LL_RCC_LSE_DisableBypass(void)
{
  CLEAR_BIT(RCC->CSR, RCC_CSR_LSEBYP);
}

#if defined(RCC_LSECSS_SUPPORT)
/**
  * @brief  Enable Clock security system on LSE.
  * @rmtoll CSR         LSECSSON      LL_RCC_LSE_EnableCSS
  * @retval None
  */
__STATIC_INLINE void LL_RCC_LSE_EnableCSS(void)
{
  SET_BIT(RCC->CSR, RCC_CSR_LSECSSON);
}

/**
  * @brief  Disable Clock security system on LSE.
  * @note   Clock security system can be disabled only after a LSE
  *         failure detection. In that case it MUST be disabled by software.
  * @rmtoll CSR          LSECSSON      LL_RCC_LSE_DisableCSS
  * @retval None
  */
__STATIC_INLINE void LL_RCC_LSE_DisableCSS(void)
{
  CLEAR_BIT(RCC->CSR, RCC_CSR_LSECSSON);
}

#endif /* RCC_LSECSS_SUPPORT */
/**
  * @brief  Check if LSE oscillator Ready
  * @rmtoll CSR         LSERDY        LL_RCC_LSE_IsReady
  * @retval State of bit (1 or 0).
  */
__STATIC_INLINE uint32_t LL_RCC_LSE_IsReady(void)
{
  return ((READ_BIT(RCC->CSR, RCC_CSR_LSERDY) == RCC_CSR_LSERDY) ? 1UL : 0UL);
}

#if defined(RCC_LSECSS_SUPPORT)
/**
  * @brief  Check if CSS on LSE failure Detection
  * @rmtoll CSR         LSECSSD       LL_RCC_LSE_IsCSSDetected
  * @retval State of bit (1 or 0).
  */
__STATIC_INLINE uint32_t LL_RCC_LSE_IsCSSDetected(void)
{
  return ((READ_BIT(RCC->CSR, RCC_CSR_LSECSSD) == RCC_CSR_LSECSSD) ? 1UL : 0UL);
}

#endif /* RCC_LSECSS_SUPPORT */
/**
  * @}
  */

/** @defgroup RCC_LL_EF_LSI LSI
  * @{
  */

/**
  * @brief  Enable LSI Oscillator
  * @rmtoll CSR          LSION         LL_RCC_LSI_Enable
  * @retval None
  */
__STATIC_INLINE void LL_RCC_LSI_Enable(void)
{
  SET_BIT(RCC->CSR, RCC_CSR_LSION);
}

/**
  * @brief  Disable LSI Oscillator
  * @rmtoll CSR          LSION         LL_RCC_LSI_Disable
  * @retval None
  */
__STATIC_INLINE void LL_RCC_LSI_Disable(void)
{
  CLEAR_BIT(RCC->CSR, RCC_CSR_LSION);
}

/**
  * @brief  Check if LSI is Ready
  * @rmtoll CSR          LSIRDY        LL_RCC_LSI_IsReady
  * @retval State of bit (1 or 0).
  */
__STATIC_INLINE uint32_t LL_RCC_LSI_IsReady(void)
{
  return ((READ_BIT(RCC->CSR, RCC_CSR_LSIRDY) == RCC_CSR_LSIRDY) ? 1UL : 0UL);
}

/**
  * @}
  */

/** @defgroup RCC_LL_EF_MSI MSI
  * @{
  */

/**
  * @brief  Enable MSI oscillator
  * @rmtoll CR           MSION         LL_RCC_MSI_Enable
  * @retval None
  */
__STATIC_INLINE void LL_RCC_MSI_Enable(void)
{
  SET_BIT(RCC->CR, RCC_CR_MSION);
}

/**
  * @brief  Disable MSI oscillator
  * @rmtoll CR           MSION         LL_RCC_MSI_Disable
  * @retval None
  */
__STATIC_INLINE void LL_RCC_MSI_Disable(void)
{
  CLEAR_BIT(RCC->CR, RCC_CR_MSION);
}

/**
  * @brief  Check if MSI oscillator Ready
  * @rmtoll CR           MSIRDY        LL_RCC_MSI_IsReady
  * @retval State of bit (1 or 0).
  */
__STATIC_INLINE uint32_t LL_RCC_MSI_IsReady(void)
{
  return ((READ_BIT(RCC->CR, RCC_CR_MSIRDY) == RCC_CR_MSIRDY) ? 1UL : 0UL);
}

/**
  * @brief  Configure the Internal Multi Speed oscillator (MSI) clock range in run mode.
  * @rmtoll ICSCR           MSIRANGE      LL_RCC_MSI_SetRange
  * @param  Range This parameter can be one of the following values:
  *         @arg @ref LL_RCC_MSIRANGE_0
  *         @arg @ref LL_RCC_MSIRANGE_1
  *         @arg @ref LL_RCC_MSIRANGE_2
  *         @arg @ref LL_RCC_MSIRANGE_3
  *         @arg @ref LL_RCC_MSIRANGE_4
  *         @arg @ref LL_RCC_MSIRANGE_5
  *         @arg @ref LL_RCC_MSIRANGE_6
  * @retval None
  */
__STATIC_INLINE void LL_RCC_MSI_SetRange(uint32_t Range)
{
  MODIFY_REG(RCC->ICSCR, RCC_ICSCR_MSIRANGE, Range);
}

/**
  * @brief  Get the Internal Multi Speed oscillator (MSI) clock range in run mode.
  * @rmtoll ICSCR           MSIRANGE      LL_RCC_MSI_GetRange
  * @retval Returned value can be one of the following values:
  *         @arg @ref LL_RCC_MSIRANGE_0
  *         @arg @ref LL_RCC_MSIRANGE_1
  *         @arg @ref LL_RCC_MSIRANGE_2
  *         @arg @ref LL_RCC_MSIRANGE_3
  *         @arg @ref LL_RCC_MSIRANGE_4
  *         @arg @ref LL_RCC_MSIRANGE_5
  *         @arg @ref LL_RCC_MSIRANGE_6
  */
__STATIC_INLINE uint32_t LL_RCC_MSI_GetRange(void)
{
  return (uint32_t)(READ_BIT(RCC->ICSCR, RCC_ICSCR_MSIRANGE));
}

/**
  * @brief  Get MSI Calibration value
  * @note When MSITRIM is written, MSICAL is updated with the sum of
  *       MSITRIM and the factory trim value
  * @rmtoll ICSCR        MSICAL        LL_RCC_MSI_GetCalibration
  * @retval Between Min_Data = 0x00 and Max_Data = 0xFF
  */
__STATIC_INLINE uint32_t LL_RCC_MSI_GetCalibration(void)
{
  return (uint32_t)(READ_BIT(RCC->ICSCR, RCC_ICSCR_MSICAL) >> RCC_ICSCR_MSICAL_Pos);
}

/**
  * @brief  Set MSI Calibration trimming
  * @note user-programmable trimming value that is added to the MSICAL
  * @rmtoll ICSCR        MSITRIM       LL_RCC_MSI_SetCalibTrimming
  * @param  Value between Min_Data = 0x00 and Max_Data = 0xFF
  * @retval None
  */
__STATIC_INLINE void LL_RCC_MSI_SetCalibTrimming(uint32_t Value)
{
  MODIFY_REG(RCC->ICSCR, RCC_ICSCR_MSITRIM, Value << RCC_ICSCR_MSITRIM_Pos);
}

/**
  * @brief  Get MSI Calibration trimming
  * @rmtoll ICSCR        MSITRIM       LL_RCC_MSI_GetCalibTrimming
  * @retval Between Min_Data = 0x00 and Max_Data = 0xFF
  */
__STATIC_INLINE uint32_t LL_RCC_MSI_GetCalibTrimming(void)
{
  return (uint32_t)(READ_BIT(RCC->ICSCR, RCC_ICSCR_MSITRIM) >> RCC_ICSCR_MSITRIM_Pos);
}

/**
  * @}
  */

/** @defgroup RCC_LL_EF_System System
  * @{
  */

/**
  * @brief  Configure the system clock source
  * @rmtoll CFGR         SW            LL_RCC_SetSysClkSource
  * @param  Source This parameter can be one of the following values:
  *         @arg @ref LL_RCC_SYS_CLKSOURCE_MSI
  *         @arg @ref LL_RCC_SYS_CLKSOURCE_HSI
  *         @arg @ref LL_RCC_SYS_CLKSOURCE_HSE
  *         @arg @ref LL_RCC_SYS_CLKSOURCE_PLL
  * @retval None
  */
__STATIC_INLINE void LL_RCC_SetSysClkSource(uint32_t Source)
{
  MODIFY_REG(RCC->CFGR, RCC_CFGR_SW, Source);
}

/**
  * @brief  Get the system clock source
  * @rmtoll CFGR         SWS           LL_RCC_GetSysClkSource
  * @retval Returned value can be one of the following values:
  *         @arg @ref LL_RCC_SYS_CLKSOURCE_STATUS_MSI
  *         @arg @ref LL_RCC_SYS_CLKSOURCE_STATUS_HSI
  *         @arg @ref LL_RCC_SYS_CLKSOURCE_STATUS_HSE
  *         @arg @ref LL_RCC_SYS_CLKSOURCE_STATUS_PLL
  */
__STATIC_INLINE uint32_t LL_RCC_GetSysClkSource(void)
{
  return (uint32_t)(READ_BIT(RCC->CFGR, RCC_CFGR_SWS));
}

/**
  * @brief  Set AHB prescaler
  * @rmtoll CFGR         HPRE          LL_RCC_SetAHBPrescaler
  * @param  Prescaler This parameter can be one of the following values:
  *         @arg @ref LL_RCC_SYSCLK_DIV_1
  *         @arg @ref LL_RCC_SYSCLK_DIV_2
  *         @arg @ref LL_RCC_SYSCLK_DIV_4
  *         @arg @ref LL_RCC_SYSCLK_DIV_8
  *         @arg @ref LL_RCC_SYSCLK_DIV_16
  *         @arg @ref LL_RCC_SYSCLK_DIV_64
  *         @arg @ref LL_RCC_SYSCLK_DIV_128
  *         @arg @ref LL_RCC_SYSCLK_DIV_256
  *         @arg @ref LL_RCC_SYSCLK_DIV_512
  * @retval None
  */
__STATIC_INLINE void LL_RCC_SetAHBPrescaler(uint32_t Prescaler)
{
  MODIFY_REG(RCC->CFGR, RCC_CFGR_HPRE, Prescaler);
}

/**
  * @brief  Set APB1 prescaler
  * @rmtoll CFGR         PPRE1         LL_RCC_SetAPB1Prescaler
  * @param  Prescaler This parameter can be one of the following values:
  *         @arg @ref LL_RCC_APB1_DIV_1
  *         @arg @ref LL_RCC_APB1_DIV_2
  *         @arg @ref LL_RCC_APB1_DIV_4
  *         @arg @ref LL_RCC_APB1_DIV_8
  *         @arg @ref LL_RCC_APB1_DIV_16
  * @retval None
  */
__STATIC_INLINE void LL_RCC_SetAPB1Prescaler(uint32_t Prescaler)
{
  MODIFY_REG(RCC->CFGR, RCC_CFGR_PPRE1, Prescaler);
}

/**
  * @brief  Set APB2 prescaler
  * @rmtoll CFGR         PPRE2         LL_RCC_SetAPB2Prescaler
  * @param  Prescaler This parameter can be one of the following values:
  *         @arg @ref LL_RCC_APB2_DIV_1
  *         @arg @ref LL_RCC_APB2_DIV_2
  *         @arg @ref LL_RCC_APB2_DIV_4
  *         @arg @ref LL_RCC_APB2_DIV_8
  *         @arg @ref LL_RCC_APB2_DIV_16
  * @retval None
  */
__STATIC_INLINE void LL_RCC_SetAPB2Prescaler(uint32_t Prescaler)
{
  MODIFY_REG(RCC->CFGR, RCC_CFGR_PPRE2, Prescaler);
}

/**
  * @brief  Get AHB prescaler
  * @rmtoll CFGR         HPRE          LL_RCC_GetAHBPrescaler
  * @retval Returned value can be one of the following values:
  *         @arg @ref LL_RCC_SYSCLK_DIV_1
  *         @arg @ref LL_RCC_SYSCLK_DIV_2
  *         @arg @ref LL_RCC_SYSCLK_DIV_4
  *         @arg @ref LL_RCC_SYSCLK_DIV_8
  *         @arg @ref LL_RCC_SYSCLK_DIV_16
  *         @arg @ref LL_RCC_SYSCLK_DIV_64
  *         @arg @ref LL_RCC_SYSCLK_DIV_128
  *         @arg @ref LL_RCC_SYSCLK_DIV_256
  *         @arg @ref LL_RCC_SYSCLK_DIV_512
  */
__STATIC_INLINE uint32_t LL_RCC_GetAHBPrescaler(void)
{
  return (uint32_t)(READ_BIT(RCC->CFGR, RCC_CFGR_HPRE));
}

/**
  * @brief  Get APB1 prescaler
  * @rmtoll CFGR         PPRE1         LL_RCC_GetAPB1Prescaler
  * @retval Returned value can be one of the following values:
  *         @arg @ref LL_RCC_APB1_DIV_1
  *         @arg @ref LL_RCC_APB1_DIV_2
  *         @arg @ref LL_RCC_APB1_DIV_4
  *         @arg @ref LL_RCC_APB1_DIV_8
  *         @arg @ref LL_RCC_APB1_DIV_16
  */
__STATIC_INLINE uint32_t LL_RCC_GetAPB1Prescaler(void)
{
  return (uint32_t)(READ_BIT(RCC->CFGR, RCC_CFGR_PPRE1));
}

/**
  * @brief  Get APB2 prescaler
  * @rmtoll CFGR         PPRE2         LL_RCC_GetAPB2Prescaler
  * @retval Returned value can be one of the following values:
  *         @arg @ref LL_RCC_APB2_DIV_1
  *         @arg @ref LL_RCC_APB2_DIV_2
  *         @arg @ref LL_RCC_APB2_DIV_4
  *         @arg @ref LL_RCC_APB2_DIV_8
  *         @arg @ref LL_RCC_APB2_DIV_16
  */
__STATIC_INLINE uint32_t LL_RCC_GetAPB2Prescaler(void)
{
  return (uint32_t)(READ_BIT(RCC->CFGR, RCC_CFGR_PPRE2));
}

/**
  * @}
  */

/** @defgroup RCC_LL_EF_MCO MCO
  * @{
  */

/**
  * @brief  Configure MCOx
  * @rmtoll CFGR         MCOSEL        LL_RCC_ConfigMCO\n
  *         CFGR         MCOPRE        LL_RCC_ConfigMCO
  * @param  MCOxSource This parameter can be one of the following values:
  *         @arg @ref LL_RCC_MCO1SOURCE_NOCLOCK
  *         @arg @ref LL_RCC_MCO1SOURCE_SYSCLK
  *         @arg @ref LL_RCC_MCO1SOURCE_HSI
  *         @arg @ref LL_RCC_MCO1SOURCE_MSI
  *         @arg @ref LL_RCC_MCO1SOURCE_HSE
  *         @arg @ref LL_RCC_MCO1SOURCE_PLLCLK
  *         @arg @ref LL_RCC_MCO1SOURCE_LSI
  *         @arg @ref LL_RCC_MCO1SOURCE_LSE
  * @param  MCOxPrescaler This parameter can be one of the following values:
  *         @arg @ref LL_RCC_MCO1_DIV_1
  *         @arg @ref LL_RCC_MCO1_DIV_2
  *         @arg @ref LL_RCC_MCO1_DIV_4
  *         @arg @ref LL_RCC_MCO1_DIV_8
  *         @arg @ref LL_RCC_MCO1_DIV_16
  * @retval None
  */
__STATIC_INLINE void LL_RCC_ConfigMCO(uint32_t MCOxSource, uint32_t MCOxPrescaler)
{
  MODIFY_REG(RCC->CFGR, RCC_CFGR_MCOSEL | RCC_CFGR_MCOPRE, MCOxSource | MCOxPrescaler);
}

/**
  * @}
  */



/** @defgroup RCC_LL_EF_RTC RTC
  * @{
  */

/**
  * @brief  Set RTC Clock Source
  * @note Once the RTC clock source has been selected, it cannot be changed any more unless
  *       the Backup domain is reset, or unless a failure is detected on LSE (LSECSSD is
  *       set). The RTCRST bit can be used to reset them.
  * @rmtoll CSR         RTCSEL        LL_RCC_SetRTCClockSource
  * @param  Source This parameter can be one of the following values:
  *         @arg @ref LL_RCC_RTC_CLKSOURCE_NONE
  *         @arg @ref LL_RCC_RTC_CLKSOURCE_LSE
  *         @arg @ref LL_RCC_RTC_CLKSOURCE_LSI
  *         @arg @ref LL_RCC_RTC_CLKSOURCE_HSE
  * @retval None
  */
__STATIC_INLINE void LL_RCC_SetRTCClockSource(uint32_t Source)
{
  MODIFY_REG(RCC->CSR, RCC_CSR_RTCSEL, Source);
}

/**
  * @brief  Get RTC Clock Source
  * @rmtoll CSR         RTCSEL        LL_RCC_GetRTCClockSource
  * @retval Returned value can be one of the following values:
  *         @arg @ref LL_RCC_RTC_CLKSOURCE_NONE
  *         @arg @ref LL_RCC_RTC_CLKSOURCE_LSE
  *         @arg @ref LL_RCC_RTC_CLKSOURCE_LSI
  *         @arg @ref LL_RCC_RTC_CLKSOURCE_HSE
  */
__STATIC_INLINE uint32_t LL_RCC_GetRTCClockSource(void)
{
  return (uint32_t)(READ_BIT(RCC->CSR, RCC_CSR_RTCSEL));
}

/**
  * @brief  Enable RTC
  * @rmtoll CSR         RTCEN         LL_RCC_EnableRTC
  * @retval None
  */
__STATIC_INLINE void LL_RCC_EnableRTC(void)
{
  SET_BIT(RCC->CSR, RCC_CSR_RTCEN);
}

/**
  * @brief  Disable RTC
  * @rmtoll CSR         RTCEN         LL_RCC_DisableRTC
  * @retval None
  */
__STATIC_INLINE void LL_RCC_DisableRTC(void)
{
  CLEAR_BIT(RCC->CSR, RCC_CSR_RTCEN);
}

/**
  * @brief  Check if RTC has been enabled or not
  * @rmtoll CSR         RTCEN         LL_RCC_IsEnabledRTC
  * @retval State of bit (1 or 0).
  */
__STATIC_INLINE uint32_t LL_RCC_IsEnabledRTC(void)
{
  return ((READ_BIT(RCC->CSR, RCC_CSR_RTCEN) == RCC_CSR_RTCEN) ? 1UL : 0UL);
}

/**
  * @brief  Force the Backup domain reset
  * @rmtoll CSR         RTCRST         LL_RCC_ForceBackupDomainReset
  * @retval None
  */
__STATIC_INLINE void LL_RCC_ForceBackupDomainReset(void)
{
  SET_BIT(RCC->CSR, RCC_CSR_RTCRST);
}

/**
  * @brief  Release the Backup domain reset
  * @rmtoll CSR         RTCRST         LL_RCC_ReleaseBackupDomainReset
  * @retval None
  */
__STATIC_INLINE void LL_RCC_ReleaseBackupDomainReset(void)
{
  CLEAR_BIT(RCC->CSR, RCC_CSR_RTCRST);
}

/**
  * @}
  */

/** @defgroup RCC_LL_EF_PLL PLL
  * @{
  */

/**
  * @brief  Enable PLL
  * @rmtoll CR           PLLON         LL_RCC_PLL_Enable
  * @retval None
  */
__STATIC_INLINE void LL_RCC_PLL_Enable(void)
{
  SET_BIT(RCC->CR, RCC_CR_PLLON);
}

/**
  * @brief  Disable PLL
  * @note Cannot be disabled if the PLL clock is used as the system clock
  * @rmtoll CR           PLLON         LL_RCC_PLL_Disable
  * @retval None
  */
__STATIC_INLINE void LL_RCC_PLL_Disable(void)
{
  CLEAR_BIT(RCC->CR, RCC_CR_PLLON);
}

/**
  * @brief  Check if PLL Ready
  * @rmtoll CR           PLLRDY        LL_RCC_PLL_IsReady
  * @retval State of bit (1 or 0).
  */
__STATIC_INLINE uint32_t LL_RCC_PLL_IsReady(void)
{
  return ((READ_BIT(RCC->CR, RCC_CR_PLLRDY) == RCC_CR_PLLRDY) ? 1UL : 0UL);
}

/**
  * @brief  Configure PLL used for SYSCLK Domain
  * @rmtoll CFGR         PLLSRC        LL_RCC_PLL_ConfigDomain_SYS\n
  *         CFGR         PLLMUL        LL_RCC_PLL_ConfigDomain_SYS\n
  *         CFGR         PLLDIV        LL_RCC_PLL_ConfigDomain_SYS
  * @param  Source This parameter can be one of the following values:
  *         @arg @ref LL_RCC_PLLSOURCE_HSI
  *         @arg @ref LL_RCC_PLLSOURCE_HSE
  * @param  PLLMul This parameter can be one of the following values:
  *         @arg @ref LL_RCC_PLL_MUL_3
  *         @arg @ref LL_RCC_PLL_MUL_4
  *         @arg @ref LL_RCC_PLL_MUL_6
  *         @arg @ref LL_RCC_PLL_MUL_8
  *         @arg @ref LL_RCC_PLL_MUL_12
  *         @arg @ref LL_RCC_PLL_MUL_16
  *         @arg @ref LL_RCC_PLL_MUL_24
  *         @arg @ref LL_RCC_PLL_MUL_32
  *         @arg @ref LL_RCC_PLL_MUL_48
  * @param  PLLDiv This parameter can be one of the following values:
  *         @arg @ref LL_RCC_PLL_DIV_2
  *         @arg @ref LL_RCC_PLL_DIV_3
  *         @arg @ref LL_RCC_PLL_DIV_4
  * @retval None
  */
__STATIC_INLINE void LL_RCC_PLL_ConfigDomain_SYS(uint32_t Source, uint32_t PLLMul, uint32_t PLLDiv)
{
  MODIFY_REG(RCC->CFGR, RCC_CFGR_PLLSRC | RCC_CFGR_PLLMUL | RCC_CFGR_PLLDIV, Source | PLLMul | PLLDiv);
}

/**
  * @brief  Configure PLL clock source
  * @rmtoll CFGR         PLLSRC        LL_RCC_PLL_SetMainSource
  * @param  PLLSource This parameter can be one of the following values:
  *         @arg @ref LL_RCC_PLLSOURCE_HSI
  *         @arg @ref LL_RCC_PLLSOURCE_HSE
  * @retval None
  */
__STATIC_INLINE void LL_RCC_PLL_SetMainSource(uint32_t PLLSource)
{
  MODIFY_REG(RCC->CFGR, RCC_CFGR_PLLSRC, PLLSource);
}

/**
  * @brief  Get the oscillator used as PLL clock source.
  * @rmtoll CFGR         PLLSRC        LL_RCC_PLL_GetMainSource
  * @retval Returned value can be one of the following values:
  *         @arg @ref LL_RCC_PLLSOURCE_HSI
  *         @arg @ref LL_RCC_PLLSOURCE_HSE
  */
__STATIC_INLINE uint32_t LL_RCC_PLL_GetMainSource(void)
{
  return (uint32_t)(READ_BIT(RCC->CFGR, RCC_CFGR_PLLSRC));
}

/**
  * @brief  Get PLL multiplication Factor
  * @rmtoll CFGR         PLLMUL        LL_RCC_PLL_GetMultiplicator
  * @retval Returned value can be one of the following values:
  *         @arg @ref LL_RCC_PLL_MUL_3
  *         @arg @ref LL_RCC_PLL_MUL_4
  *         @arg @ref LL_RCC_PLL_MUL_6
  *         @arg @ref LL_RCC_PLL_MUL_8
  *         @arg @ref LL_RCC_PLL_MUL_12
  *         @arg @ref LL_RCC_PLL_MUL_16
  *         @arg @ref LL_RCC_PLL_MUL_24
  *         @arg @ref LL_RCC_PLL_MUL_32
  *         @arg @ref LL_RCC_PLL_MUL_48
  */
__STATIC_INLINE uint32_t LL_RCC_PLL_GetMultiplicator(void)
{
  return (uint32_t)(READ_BIT(RCC->CFGR, RCC_CFGR_PLLMUL));
}

/**
  * @brief  Get Division factor for the main PLL and other PLL
  * @rmtoll CFGR         PLLDIV        LL_RCC_PLL_GetDivider
  * @retval Returned value can be one of the following values:
  *         @arg @ref LL_RCC_PLL_DIV_2
  *         @arg @ref LL_RCC_PLL_DIV_3
  *         @arg @ref LL_RCC_PLL_DIV_4
  */
__STATIC_INLINE uint32_t LL_RCC_PLL_GetDivider(void)
{
  return (uint32_t)(READ_BIT(RCC->CFGR, RCC_CFGR_PLLDIV));
}

/**
  * @}
  */

/** @defgroup RCC_LL_EF_FLAG_Management FLAG Management
  * @{
  */

/**
  * @brief  Clear LSI ready interrupt flag
  * @rmtoll CIR         LSIRDYC       LL_RCC_ClearFlag_LSIRDY
  * @retval None
  */
__STATIC_INLINE void LL_RCC_ClearFlag_LSIRDY(void)
{
  SET_BIT(RCC->CIR, RCC_CIR_LSIRDYC);
}

/**
  * @brief  Clear LSE ready interrupt flag
  * @rmtoll CIR         LSERDYC       LL_RCC_ClearFlag_LSERDY
  * @retval None
  */
__STATIC_INLINE void LL_RCC_ClearFlag_LSERDY(void)
{
  SET_BIT(RCC->CIR, RCC_CIR_LSERDYC);
}

/**
  * @brief  Clear MSI ready interrupt flag
  * @rmtoll CIR         MSIRDYC       LL_RCC_ClearFlag_MSIRDY
  * @retval None
  */
__STATIC_INLINE void LL_RCC_ClearFlag_MSIRDY(void)
{
  SET_BIT(RCC->CIR, RCC_CIR_MSIRDYC);
}

/**
  * @brief  Clear HSI ready interrupt flag
  * @rmtoll CIR         HSIRDYC       LL_RCC_ClearFlag_HSIRDY
  * @retval None
  */
__STATIC_INLINE void LL_RCC_ClearFlag_HSIRDY(void)
{
  SET_BIT(RCC->CIR, RCC_CIR_HSIRDYC);
}

/**
  * @brief  Clear HSE ready interrupt flag
  * @rmtoll CIR         HSERDYC       LL_RCC_ClearFlag_HSERDY
  * @retval None
  */
__STATIC_INLINE void LL_RCC_ClearFlag_HSERDY(void)
{
  SET_BIT(RCC->CIR, RCC_CIR_HSERDYC);
}

/**
  * @brief  Clear PLL ready interrupt flag
  * @rmtoll CIR         PLLRDYC       LL_RCC_ClearFlag_PLLRDY
  * @retval None
  */
__STATIC_INLINE void LL_RCC_ClearFlag_PLLRDY(void)
{
  SET_BIT(RCC->CIR, RCC_CIR_PLLRDYC);
}

/**
  * @brief  Clear Clock security system interrupt flag
  * @rmtoll CIR         CSSC          LL_RCC_ClearFlag_HSECSS
  * @retval None
  */
__STATIC_INLINE void LL_RCC_ClearFlag_HSECSS(void)
{
  SET_BIT(RCC->CIR, RCC_CIR_CSSC);
}

#if defined(RCC_LSECSS_SUPPORT)
/**
  * @brief  Clear LSE Clock security system interrupt flag
  * @rmtoll CIR         LSECSSC       LL_RCC_ClearFlag_LSECSS
  * @retval None
  */
__STATIC_INLINE void LL_RCC_ClearFlag_LSECSS(void)
{
  SET_BIT(RCC->CIR, RCC_CIR_LSECSSC);
}

#endif /* RCC_LSECSS_SUPPORT */
/**
  * @brief  Check if LSI ready interrupt occurred or not
  * @rmtoll CIR         LSIRDYF       LL_RCC_IsActiveFlag_LSIRDY
  * @retval State of bit (1 or 0).
  */
__STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_LSIRDY(void)
{
  return ((READ_BIT(RCC->CIR, RCC_CIR_LSIRDYF) == RCC_CIR_LSIRDYF) ? 1UL : 0UL);
}

/**
  * @brief  Check if LSE ready interrupt occurred or not
  * @rmtoll CIR         LSERDYF       LL_RCC_IsActiveFlag_LSERDY
  * @retval State of bit (1 or 0).
  */
__STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_LSERDY(void)
{
  return ((READ_BIT(RCC->CIR, RCC_CIR_LSERDYF) == RCC_CIR_LSERDYF) ? 1UL : 0UL);
}

/**
  * @brief  Check if MSI ready interrupt occurred or not
  * @rmtoll CIR         MSIRDYF       LL_RCC_IsActiveFlag_MSIRDY
  * @retval State of bit (1 or 0).
  */
__STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_MSIRDY(void)
{
  return ((READ_BIT(RCC->CIR, RCC_CIR_MSIRDYF) == RCC_CIR_MSIRDYF) ? 1UL : 0UL);
}

/**
  * @brief  Check if HSI ready interrupt occurred or not
  * @rmtoll CIR         HSIRDYF       LL_RCC_IsActiveFlag_HSIRDY
  * @retval State of bit (1 or 0).
  */
__STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_HSIRDY(void)
{
  return ((READ_BIT(RCC->CIR, RCC_CIR_HSIRDYF) == RCC_CIR_HSIRDYF) ? 1UL : 0UL);
}

/**
  * @brief  Check if HSE ready interrupt occurred or not
  * @rmtoll CIR         HSERDYF       LL_RCC_IsActiveFlag_HSERDY
  * @retval State of bit (1 or 0).
  */
__STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_HSERDY(void)
{
  return ((READ_BIT(RCC->CIR, RCC_CIR_HSERDYF) == RCC_CIR_HSERDYF) ? 1UL : 0UL);
}

/**
  * @brief  Check if PLL ready interrupt occurred or not
  * @rmtoll CIR         PLLRDYF       LL_RCC_IsActiveFlag_PLLRDY
  * @retval State of bit (1 or 0).
  */
__STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_PLLRDY(void)
{
  return ((READ_BIT(RCC->CIR, RCC_CIR_PLLRDYF) == RCC_CIR_PLLRDYF) ? 1UL : 0UL);
}

/**
  * @brief  Check if Clock security system interrupt occurred or not
  * @rmtoll CIR         CSSF          LL_RCC_IsActiveFlag_HSECSS
  * @retval State of bit (1 or 0).
  */
__STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_HSECSS(void)
{
  return ((READ_BIT(RCC->CIR, RCC_CIR_CSSF) == RCC_CIR_CSSF) ? 1UL : 0UL);
}

#if defined(RCC_LSECSS_SUPPORT)
/**
  * @brief  Check if LSE Clock security system interrupt occurred or not
  * @rmtoll CIR         LSECSSF       LL_RCC_IsActiveFlag_LSECSS
  * @retval State of bit (1 or 0).
  */
__STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_LSECSS(void)
{
  return ((READ_BIT(RCC->CIR, RCC_CIR_LSECSSF) == RCC_CIR_LSECSSF) ? 1UL : 0UL);
}
#endif /* RCC_LSECSS_SUPPORT */

/**
  * @brief  Check if RCC flag Independent Watchdog reset is set or not.
  * @rmtoll CSR          IWDGRSTF      LL_RCC_IsActiveFlag_IWDGRST
  * @retval State of bit (1 or 0).
  */
__STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_IWDGRST(void)
{
  return ((READ_BIT(RCC->CSR, RCC_CSR_IWDGRSTF) == RCC_CSR_IWDGRSTF) ? 1UL : 0UL);
}

/**
  * @brief  Check if RCC flag Low Power reset is set or not.
  * @rmtoll CSR          LPWRRSTF      LL_RCC_IsActiveFlag_LPWRRST
  * @retval State of bit (1 or 0).
  */
__STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_LPWRRST(void)
{
  return ((READ_BIT(RCC->CSR, RCC_CSR_LPWRRSTF) == RCC_CSR_LPWRRSTF) ? 1UL : 0UL);
}

/**
  * @brief  Check if RCC flag is set or not.
  * @rmtoll CSR          OBLRSTF       LL_RCC_IsActiveFlag_OBLRST
  * @retval State of bit (1 or 0).
  */
__STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_OBLRST(void)
{
  return ((READ_BIT(RCC->CSR, RCC_CSR_OBLRSTF) == RCC_CSR_OBLRSTF) ? 1UL : 0UL);
}

/**
  * @brief  Check if RCC flag Pin reset is set or not.
  * @rmtoll CSR          PINRSTF       LL_RCC_IsActiveFlag_PINRST
  * @retval State of bit (1 or 0).
  */
__STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_PINRST(void)
{
  return ((READ_BIT(RCC->CSR, RCC_CSR_PINRSTF) == RCC_CSR_PINRSTF) ? 1UL : 0UL);
}

/**
  * @brief  Check if RCC flag POR/PDR reset is set or not.
  * @rmtoll CSR          PORRSTF       LL_RCC_IsActiveFlag_PORRST
  * @retval State of bit (1 or 0).
  */
__STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_PORRST(void)
{
  return ((READ_BIT(RCC->CSR, RCC_CSR_PORRSTF) == RCC_CSR_PORRSTF) ? 1UL : 0UL);
}

/**
  * @brief  Check if RCC flag Software reset is set or not.
  * @rmtoll CSR          SFTRSTF       LL_RCC_IsActiveFlag_SFTRST
  * @retval State of bit (1 or 0).
  */
__STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_SFTRST(void)
{
  return ((READ_BIT(RCC->CSR, RCC_CSR_SFTRSTF) == RCC_CSR_SFTRSTF) ? 1UL : 0UL);
}

/**
  * @brief  Check if RCC flag Window Watchdog reset is set or not.
  * @rmtoll CSR          WWDGRSTF      LL_RCC_IsActiveFlag_WWDGRST
  * @retval State of bit (1 or 0).
  */
__STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_WWDGRST(void)
{
  return ((READ_BIT(RCC->CSR, RCC_CSR_WWDGRSTF) == RCC_CSR_WWDGRSTF) ? 1UL : 0UL);
}

/**
  * @brief  Set RMVF bit to clear the reset flags.
  * @rmtoll CSR          RMVF          LL_RCC_ClearResetFlags
  * @retval None
  */
__STATIC_INLINE void LL_RCC_ClearResetFlags(void)
{
  SET_BIT(RCC->CSR, RCC_CSR_RMVF);
}

/**
  * @}
  */

/** @defgroup RCC_LL_EF_IT_Management IT Management
  * @{
  */

/**
  * @brief  Enable LSI ready interrupt
  * @rmtoll CIR         LSIRDYIE      LL_RCC_EnableIT_LSIRDY
  * @retval None
  */
__STATIC_INLINE void LL_RCC_EnableIT_LSIRDY(void)
{
  SET_BIT(RCC->CIR, RCC_CIR_LSIRDYIE);
}

/**
  * @brief  Enable LSE ready interrupt
  * @rmtoll CIR         LSERDYIE      LL_RCC_EnableIT_LSERDY
  * @retval None
  */
__STATIC_INLINE void LL_RCC_EnableIT_LSERDY(void)
{
  SET_BIT(RCC->CIR, RCC_CIR_LSERDYIE);
}

/**
  * @brief  Enable MSI ready interrupt
  * @rmtoll CIR         MSIRDYIE      LL_RCC_EnableIT_MSIRDY
  * @retval None
  */
__STATIC_INLINE void LL_RCC_EnableIT_MSIRDY(void)
{
  SET_BIT(RCC->CIR, RCC_CIR_MSIRDYIE);
}

/**
  * @brief  Enable HSI ready interrupt
  * @rmtoll CIR         HSIRDYIE      LL_RCC_EnableIT_HSIRDY
  * @retval None
  */
__STATIC_INLINE void LL_RCC_EnableIT_HSIRDY(void)
{
  SET_BIT(RCC->CIR, RCC_CIR_HSIRDYIE);
}

/**
  * @brief  Enable HSE ready interrupt
  * @rmtoll CIR         HSERDYIE      LL_RCC_EnableIT_HSERDY
  * @retval None
  */
__STATIC_INLINE void LL_RCC_EnableIT_HSERDY(void)
{
  SET_BIT(RCC->CIR, RCC_CIR_HSERDYIE);
}

/**
  * @brief  Enable PLL ready interrupt
  * @rmtoll CIR         PLLRDYIE      LL_RCC_EnableIT_PLLRDY
  * @retval None
  */
__STATIC_INLINE void LL_RCC_EnableIT_PLLRDY(void)
{
  SET_BIT(RCC->CIR, RCC_CIR_PLLRDYIE);
}

#if defined(RCC_LSECSS_SUPPORT)
/**
  * @brief  Enable LSE clock security system interrupt
  * @rmtoll CIR         LSECSSIE      LL_RCC_EnableIT_LSECSS
  * @retval None
  */
__STATIC_INLINE void LL_RCC_EnableIT_LSECSS(void)
{
  SET_BIT(RCC->CIR, RCC_CIR_LSECSSIE);
}
#endif /* RCC_LSECSS_SUPPORT */

/**
  * @brief  Disable LSI ready interrupt
  * @rmtoll CIR         LSIRDYIE      LL_RCC_DisableIT_LSIRDY
  * @retval None
  */
__STATIC_INLINE void LL_RCC_DisableIT_LSIRDY(void)
{
  CLEAR_BIT(RCC->CIR, RCC_CIR_LSIRDYIE);
}

/**
  * @brief  Disable LSE ready interrupt
  * @rmtoll CIR         LSERDYIE      LL_RCC_DisableIT_LSERDY
  * @retval None
  */
__STATIC_INLINE void LL_RCC_DisableIT_LSERDY(void)
{
  CLEAR_BIT(RCC->CIR, RCC_CIR_LSERDYIE);
}

/**
  * @brief  Disable MSI ready interrupt
  * @rmtoll CIR         MSIRDYIE      LL_RCC_DisableIT_MSIRDY
  * @retval None
  */
__STATIC_INLINE void LL_RCC_DisableIT_MSIRDY(void)
{
  CLEAR_BIT(RCC->CIR, RCC_CIR_MSIRDYIE);
}

/**
  * @brief  Disable HSI ready interrupt
  * @rmtoll CIR         HSIRDYIE      LL_RCC_DisableIT_HSIRDY
  * @retval None
  */
__STATIC_INLINE void LL_RCC_DisableIT_HSIRDY(void)
{
  CLEAR_BIT(RCC->CIR, RCC_CIR_HSIRDYIE);
}

/**
  * @brief  Disable HSE ready interrupt
  * @rmtoll CIR         HSERDYIE      LL_RCC_DisableIT_HSERDY
  * @retval None
  */
__STATIC_INLINE void LL_RCC_DisableIT_HSERDY(void)
{
  CLEAR_BIT(RCC->CIR, RCC_CIR_HSERDYIE);
}

/**
  * @brief  Disable PLL ready interrupt
  * @rmtoll CIR         PLLRDYIE      LL_RCC_DisableIT_PLLRDY
  * @retval None
  */
__STATIC_INLINE void LL_RCC_DisableIT_PLLRDY(void)
{
  CLEAR_BIT(RCC->CIR, RCC_CIR_PLLRDYIE);
}

#if defined(RCC_LSECSS_SUPPORT)
/**
  * @brief  Disable LSE clock security system interrupt
  * @rmtoll CIR         LSECSSIE      LL_RCC_DisableIT_LSECSS
  * @retval None
  */
__STATIC_INLINE void LL_RCC_DisableIT_LSECSS(void)
{
  CLEAR_BIT(RCC->CIR, RCC_CIR_LSECSSIE);
}
#endif /* RCC_LSECSS_SUPPORT */

/**
  * @brief  Checks if LSI ready interrupt source is enabled or disabled.
  * @rmtoll CIR         LSIRDYIE      LL_RCC_IsEnabledIT_LSIRDY
  * @retval State of bit (1 or 0).
  */
__STATIC_INLINE uint32_t LL_RCC_IsEnabledIT_LSIRDY(void)
{
  return ((READ_BIT(RCC->CIR, RCC_CIR_LSIRDYIE) == RCC_CIR_LSIRDYIE) ? 1UL : 0UL);
}

/**
  * @brief  Checks if LSE ready interrupt source is enabled or disabled.
  * @rmtoll CIR         LSERDYIE      LL_RCC_IsEnabledIT_LSERDY
  * @retval State of bit (1 or 0).
  */
__STATIC_INLINE uint32_t LL_RCC_IsEnabledIT_LSERDY(void)
{
  return ((READ_BIT(RCC->CIR, RCC_CIR_LSERDYIE) == RCC_CIR_LSERDYIE) ? 1UL : 0UL);
}

/**
  * @brief  Checks if MSI ready interrupt source is enabled or disabled.
  * @rmtoll CIR         MSIRDYIE      LL_RCC_IsEnabledIT_MSIRDY
  * @retval State of bit (1 or 0).
  */
__STATIC_INLINE uint32_t LL_RCC_IsEnabledIT_MSIRDY(void)
{
  return ((READ_BIT(RCC->CIR, RCC_CIR_MSIRDYIE) == RCC_CIR_MSIRDYIE) ? 1UL : 0UL);
}

/**
  * @brief  Checks if HSI ready interrupt source is enabled or disabled.
  * @rmtoll CIR         HSIRDYIE      LL_RCC_IsEnabledIT_HSIRDY
  * @retval State of bit (1 or 0).
  */
__STATIC_INLINE uint32_t LL_RCC_IsEnabledIT_HSIRDY(void)
{
  return ((READ_BIT(RCC->CIR, RCC_CIR_HSIRDYIE) == RCC_CIR_HSIRDYIE) ? 1UL : 0UL);
}

/**
  * @brief  Checks if HSE ready interrupt source is enabled or disabled.
  * @rmtoll CIR         HSERDYIE      LL_RCC_IsEnabledIT_HSERDY
  * @retval State of bit (1 or 0).
  */
__STATIC_INLINE uint32_t LL_RCC_IsEnabledIT_HSERDY(void)
{
  return ((READ_BIT(RCC->CIR, RCC_CIR_HSERDYIE) == RCC_CIR_HSERDYIE) ? 1UL : 0UL);
}

/**
  * @brief  Checks if PLL ready interrupt source is enabled or disabled.
  * @rmtoll CIR         PLLRDYIE      LL_RCC_IsEnabledIT_PLLRDY
  * @retval State of bit (1 or 0).
  */
__STATIC_INLINE uint32_t LL_RCC_IsEnabledIT_PLLRDY(void)
{
  return ((READ_BIT(RCC->CIR, RCC_CIR_PLLRDYIE) == RCC_CIR_PLLRDYIE) ? 1UL : 0UL);
}

#if defined(RCC_LSECSS_SUPPORT)
/**
  * @brief  Checks if LSECSS interrupt source is enabled or disabled.
  * @rmtoll CIR         LSECSSIE      LL_RCC_IsEnabledIT_LSECSS
  * @retval State of bit (1 or 0).
  */
__STATIC_INLINE uint32_t LL_RCC_IsEnabledIT_LSECSS(void)
{
  return ((READ_BIT(RCC->CIR, RCC_CIR_LSECSSIE) == RCC_CIR_LSECSSIE) ? 1UL : 0UL);
}
#endif /* RCC_LSECSS_SUPPORT */

/**
  * @}
  */

#if defined(USE_FULL_LL_DRIVER)
/** @defgroup RCC_LL_EF_Init De-initialization function
  * @{
  */
ErrorStatus LL_RCC_DeInit(void);
/**
  * @}
  */

/** @defgroup RCC_LL_EF_Get_Freq Get system and peripherals clocks frequency functions
  * @{
  */
void        LL_RCC_GetSystemClocksFreq(LL_RCC_ClocksTypeDef *RCC_Clocks);
/**
  * @}
  */
#endif /* USE_FULL_LL_DRIVER */

/**
  * @}
  */

/**
  * @}
  */

#endif /* RCC */

/**
  * @}
  */

#ifdef __cplusplus
}
#endif

#endif /* __STM32L1xx_LL_RCC_H */

/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/