rt-thread/bsp/stm32f7-disco/Libraries/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_rcc.h

/**
  ******************************************************************************
  * @file    stm32f7xx_hal_rcc.h
  * @author  MCD Application Team
  * @version V1.0.1
  * @date    25-June-2015
  * @brief   Header file of RCC HAL module.
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; COPYRIGHT(c) 2015 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 __STM32F7xx_HAL_RCC_H
#define __STM32F7xx_HAL_RCC_H

#ifdef __cplusplus
 extern "C" {
#endif

/* Includes ------------------------------------------------------------------*/
#include "stm32f7xx_hal_def.h"

/** @addtogroup STM32F7xx_HAL_Driver
  * @{
  */

/** @addtogroup RCC
  * @{
  */

/* Exported types ------------------------------------------------------------*/ 

/** @defgroup RCC_Exported_Types RCC Exported Types
  * @{
  */

/** 
  * @brief  RCC PLL configuration structure definition  
  */
typedef struct
{
  uint32_t PLLState;   /*!< The new state of the PLL.
                            This parameter can be a value of @ref RCC_PLL_Config                      */

  uint32_t PLLSource;  /*!< RCC_PLLSource: PLL entry clock source.
                            This parameter must be a value of @ref RCC_PLL_Clock_Source               */           

  uint32_t PLLM;       /*!< PLLM: Division factor for PLL VCO input clock.
                            This parameter must be a number between Min_Data = 2 and Max_Data = 63    */        

  uint32_t PLLN;       /*!< PLLN: Multiplication factor for PLL VCO output clock.
                            This parameter must be a number between Min_Data = 192 and Max_Data = 432 */

  uint32_t PLLP;       /*!< PLLP: Division factor for main system clock (SYSCLK).
                            This parameter must be a value of @ref RCC_PLLP_Clock_Divider             */

  uint32_t PLLQ;       /*!< PLLQ: Division factor for OTG FS, SDMMC and RNG clocks.
                            This parameter must be a number between Min_Data = 2 and Max_Data = 15    */

}RCC_PLLInitTypeDef;

/**
  * @brief  RCC Internal/External Oscillator (HSE, HSI, LSE and LSI) configuration structure definition  
  */
typedef struct
{
  uint32_t OscillatorType;       /*!< The oscillators to be configured.
                                      This parameter can be a value of @ref RCC_Oscillator_Type                   */

  uint32_t HSEState;             /*!< The new state of the HSE.
                                      This parameter can be a value of @ref RCC_HSE_Config                        */

  uint32_t LSEState;             /*!< The new state of the LSE.
                                      This parameter can be a value of @ref RCC_LSE_Config                        */
                                          
  uint32_t HSIState;             /*!< The new state of the HSI.
                                      This parameter can be a value of @ref RCC_HSI_Config                        */

  uint32_t HSICalibrationValue;   /*!< The calibration trimming value (default is RCC_HSICALIBRATION_DEFAULT).
                                       This parameter must be a number between Min_Data = 0x00 and Max_Data = 0x1F */
                               
  uint32_t LSIState;             /*!< The new state of the LSI.
                                      This parameter can be a value of @ref RCC_LSI_Config                        */

  RCC_PLLInitTypeDef PLL;        /*!< PLL structure parameters                                                    */      

}RCC_OscInitTypeDef;

/**
  * @brief  RCC System, AHB and APB busses clock configuration structure definition  
  */
typedef struct
{
  uint32_t ClockType;             /*!< The clock to be configured.
                                       This parameter can be a value of @ref RCC_System_Clock_Type */
  
  uint32_t SYSCLKSource;          /*!< The clock source (SYSCLKS) used as system clock.
                                       This parameter can be a value of @ref RCC_System_Clock_Source    */

  uint32_t AHBCLKDivider;         /*!< The AHB clock (HCLK) divider. This clock is derived from the system clock (SYSCLK).
                                       This parameter can be a value of @ref RCC_AHB_Clock_Source       */

  uint32_t APB1CLKDivider;        /*!< The APB1 clock (PCLK1) divider. This clock is derived from the AHB clock (HCLK).
                                       This parameter can be a value of @ref RCC_APB1_APB2_Clock_Source */

  uint32_t APB2CLKDivider;        /*!< The APB2 clock (PCLK2) divider. This clock is derived from the AHB clock (HCLK).
                                       This parameter can be a value of @ref RCC_APB1_APB2_Clock_Source */

}RCC_ClkInitTypeDef;

/**
  * @}
  */

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

/** @defgroup RCC_Oscillator_Type Oscillator Type
  * @{
  */
#define RCC_OSCILLATORTYPE_NONE            ((uint32_t)0x00000000)
#define RCC_OSCILLATORTYPE_HSE             ((uint32_t)0x00000001)
#define RCC_OSCILLATORTYPE_HSI             ((uint32_t)0x00000002)
#define RCC_OSCILLATORTYPE_LSE             ((uint32_t)0x00000004)
#define RCC_OSCILLATORTYPE_LSI             ((uint32_t)0x00000008)
/**
  * @}
  */

/** @defgroup RCC_HSE_Config RCC HSE Config
  * @{
  */
#define RCC_HSE_OFF                      ((uint32_t)0x00000000)
#define RCC_HSE_ON                       RCC_CR_HSEON
#define RCC_HSE_BYPASS                   ((uint32_t)(RCC_CR_HSEBYP | RCC_CR_HSEON))
/**
  * @}
  */

/** @defgroup RCC_LSE_Config RCC LSE Config
  * @{
  */
#define RCC_LSE_OFF                    ((uint32_t)0x00000000)
#define RCC_LSE_ON                     RCC_BDCR_LSEON
#define RCC_LSE_BYPASS                 ((uint32_t)(RCC_BDCR_LSEBYP | RCC_BDCR_LSEON))
/**
  * @}
  */

/** @defgroup RCC_HSI_Config RCC HSI Config
  * @{
  */
#define RCC_HSI_OFF                    ((uint32_t)0x00000000)
#define RCC_HSI_ON                     RCC_CR_HSION
/**
  * @}
  */

/** @defgroup RCC_LSI_Config RCC LSI Config
  * @{
  */
#define RCC_LSI_OFF                    ((uint32_t)0x00000000)
#define RCC_LSI_ON                     RCC_CSR_LSION
/**
  * @}
  */

/** @defgroup RCC_PLL_Config RCC PLL Config
  * @{
  */
#define RCC_PLL_NONE                   ((uint32_t)0x00000000)
#define RCC_PLL_OFF                    ((uint32_t)0x00000001)
#define RCC_PLL_ON                     ((uint32_t)0x00000002)
/**
  * @}
  */

/** @defgroup RCC_PLLP_Clock_Divider PLLP Clock Divider
  * @{
  */
#define RCC_PLLP_DIV2                  ((uint32_t)0x00000002)
#define RCC_PLLP_DIV4                  ((uint32_t)0x00000004)
#define RCC_PLLP_DIV6                  ((uint32_t)0x00000006)
#define RCC_PLLP_DIV8                  ((uint32_t)0x00000008)
/**
  * @}
  */

/** @defgroup RCC_PLL_Clock_Source PLL Clock Source
  * @{
  */
#define RCC_PLLSOURCE_HSI                RCC_PLLCFGR_PLLSRC_HSI
#define RCC_PLLSOURCE_HSE                RCC_PLLCFGR_PLLSRC_HSE
/**
  * @}
  */

/** @defgroup RCC_System_Clock_Type RCC System Clock Type
  * @{
  */
#define RCC_CLOCKTYPE_SYSCLK             ((uint32_t)0x00000001)
#define RCC_CLOCKTYPE_HCLK               ((uint32_t)0x00000002)
#define RCC_CLOCKTYPE_PCLK1              ((uint32_t)0x00000004)
#define RCC_CLOCKTYPE_PCLK2              ((uint32_t)0x00000008)
/**
  * @}
  */
  
/** @defgroup RCC_System_Clock_Source RCC System Clock Source
  * @{
  */
#define RCC_SYSCLKSOURCE_HSI             RCC_CFGR_SW_HSI
#define RCC_SYSCLKSOURCE_HSE             RCC_CFGR_SW_HSE
#define RCC_SYSCLKSOURCE_PLLCLK          RCC_CFGR_SW_PLL
/**
  * @}
  */


/** @defgroup RCC_System_Clock_Source_Status System Clock Source Status
  * @{
  */
#define RCC_SYSCLKSOURCE_STATUS_HSI      RCC_CFGR_SWS_HSI   /*!< HSI used as system clock */
#define RCC_SYSCLKSOURCE_STATUS_HSE      RCC_CFGR_SWS_HSE   /*!< HSE used as system clock */
#define RCC_SYSCLKSOURCE_STATUS_PLLCLK   RCC_CFGR_SWS_PLL   /*!< PLL used as system clock */
/**
  * @}
  */

/** @defgroup RCC_AHB_Clock_Source RCC AHB Clock Source
  * @{
  */
#define RCC_SYSCLK_DIV1                  RCC_CFGR_HPRE_DIV1
#define RCC_SYSCLK_DIV2                  RCC_CFGR_HPRE_DIV2
#define RCC_SYSCLK_DIV4                  RCC_CFGR_HPRE_DIV4
#define RCC_SYSCLK_DIV8                  RCC_CFGR_HPRE_DIV8
#define RCC_SYSCLK_DIV16                 RCC_CFGR_HPRE_DIV16
#define RCC_SYSCLK_DIV64                 RCC_CFGR_HPRE_DIV64
#define RCC_SYSCLK_DIV128                RCC_CFGR_HPRE_DIV128
#define RCC_SYSCLK_DIV256                RCC_CFGR_HPRE_DIV256
#define RCC_SYSCLK_DIV512                RCC_CFGR_HPRE_DIV512
/**
  * @}
  */ 
  
/** @defgroup RCC_APB1_APB2_Clock_Source RCC APB1/APB2 Clock Source
  * @{
  */
#define RCC_HCLK_DIV1                    RCC_CFGR_PPRE1_DIV1
#define RCC_HCLK_DIV2                    RCC_CFGR_PPRE1_DIV2
#define RCC_HCLK_DIV4                    RCC_CFGR_PPRE1_DIV4
#define RCC_HCLK_DIV8                    RCC_CFGR_PPRE1_DIV8
#define RCC_HCLK_DIV16                   RCC_CFGR_PPRE1_DIV16
/**
  * @}
  */ 

/** @defgroup RCC_RTC_Clock_Source RCC RTC Clock Source
  * @{
  */
#define RCC_RTCCLKSOURCE_LSE             ((uint32_t)0x00000100)
#define RCC_RTCCLKSOURCE_LSI             ((uint32_t)0x00000200)
#define RCC_RTCCLKSOURCE_HSE_DIV2        ((uint32_t)0x00020300)
#define RCC_RTCCLKSOURCE_HSE_DIV3        ((uint32_t)0x00030300)
#define RCC_RTCCLKSOURCE_HSE_DIV4        ((uint32_t)0x00040300)
#define RCC_RTCCLKSOURCE_HSE_DIV5        ((uint32_t)0x00050300)
#define RCC_RTCCLKSOURCE_HSE_DIV6        ((uint32_t)0x00060300)
#define RCC_RTCCLKSOURCE_HSE_DIV7        ((uint32_t)0x00070300)
#define RCC_RTCCLKSOURCE_HSE_DIV8        ((uint32_t)0x00080300)
#define RCC_RTCCLKSOURCE_HSE_DIV9        ((uint32_t)0x00090300)
#define RCC_RTCCLKSOURCE_HSE_DIV10       ((uint32_t)0x000A0300)
#define RCC_RTCCLKSOURCE_HSE_DIV11       ((uint32_t)0x000B0300)
#define RCC_RTCCLKSOURCE_HSE_DIV12       ((uint32_t)0x000C0300)
#define RCC_RTCCLKSOURCE_HSE_DIV13       ((uint32_t)0x000D0300)
#define RCC_RTCCLKSOURCE_HSE_DIV14       ((uint32_t)0x000E0300)
#define RCC_RTCCLKSOURCE_HSE_DIV15       ((uint32_t)0x000F0300)
#define RCC_RTCCLKSOURCE_HSE_DIV16       ((uint32_t)0x00100300)
#define RCC_RTCCLKSOURCE_HSE_DIV17       ((uint32_t)0x00110300)
#define RCC_RTCCLKSOURCE_HSE_DIV18       ((uint32_t)0x00120300)
#define RCC_RTCCLKSOURCE_HSE_DIV19       ((uint32_t)0x00130300)
#define RCC_RTCCLKSOURCE_HSE_DIV20       ((uint32_t)0x00140300)
#define RCC_RTCCLKSOURCE_HSE_DIV21       ((uint32_t)0x00150300)
#define RCC_RTCCLKSOURCE_HSE_DIV22       ((uint32_t)0x00160300)
#define RCC_RTCCLKSOURCE_HSE_DIV23       ((uint32_t)0x00170300)
#define RCC_RTCCLKSOURCE_HSE_DIV24       ((uint32_t)0x00180300)
#define RCC_RTCCLKSOURCE_HSE_DIV25       ((uint32_t)0x00190300)
#define RCC_RTCCLKSOURCE_HSE_DIV26       ((uint32_t)0x001A0300)
#define RCC_RTCCLKSOURCE_HSE_DIV27       ((uint32_t)0x001B0300)
#define RCC_RTCCLKSOURCE_HSE_DIV28       ((uint32_t)0x001C0300)
#define RCC_RTCCLKSOURCE_HSE_DIV29       ((uint32_t)0x001D0300)
#define RCC_RTCCLKSOURCE_HSE_DIV30       ((uint32_t)0x001E0300)
#define RCC_RTCCLKSOURCE_HSE_DIV31       ((uint32_t)0x001F0300)
/**
  * @}
  */



/** @defgroup RCC_MCO_Index RCC MCO Index
  * @{
  */
#define RCC_MCO1                         ((uint32_t)0x00000000)
#define RCC_MCO2                         ((uint32_t)0x00000001)
/**
  * @}
  */

/** @defgroup RCC_MCO1_Clock_Source RCC MCO1 Clock Source
  * @{
  */
#define RCC_MCO1SOURCE_HSI               ((uint32_t)0x00000000)
#define RCC_MCO1SOURCE_LSE               RCC_CFGR_MCO1_0
#define RCC_MCO1SOURCE_HSE               RCC_CFGR_MCO1_1
#define RCC_MCO1SOURCE_PLLCLK            RCC_CFGR_MCO1
/**
  * @}
  */

/** @defgroup RCC_MCO2_Clock_Source RCC MCO2 Clock Source
  * @{
  */
#define RCC_MCO2SOURCE_SYSCLK            ((uint32_t)0x00000000)
#define RCC_MCO2SOURCE_PLLI2SCLK         RCC_CFGR_MCO2_0
#define RCC_MCO2SOURCE_HSE               RCC_CFGR_MCO2_1
#define RCC_MCO2SOURCE_PLLCLK            RCC_CFGR_MCO2
/**
  * @}
  */

/** @defgroup RCC_MCOx_Clock_Prescaler RCC MCO1 Clock Prescaler
  * @{
  */
#define RCC_MCODIV_1                    ((uint32_t)0x00000000)
#define RCC_MCODIV_2                    RCC_CFGR_MCO1PRE_2
#define RCC_MCODIV_3                    ((uint32_t)RCC_CFGR_MCO1PRE_0 | RCC_CFGR_MCO1PRE_2)
#define RCC_MCODIV_4                    ((uint32_t)RCC_CFGR_MCO1PRE_1 | RCC_CFGR_MCO1PRE_2)
#define RCC_MCODIV_5                    RCC_CFGR_MCO1PRE
/**
  * @}
  */

/** @defgroup RCC_Interrupt RCC Interrupt 
  * @{
  */
#define RCC_IT_LSIRDY                    ((uint8_t)0x01)
#define RCC_IT_LSERDY                    ((uint8_t)0x02)
#define RCC_IT_HSIRDY                    ((uint8_t)0x04)
#define RCC_IT_HSERDY                    ((uint8_t)0x08)
#define RCC_IT_PLLRDY                    ((uint8_t)0x10)
#define RCC_IT_PLLI2SRDY                 ((uint8_t)0x20)
#define RCC_IT_PLLSAIRDY                 ((uint8_t)0x40)
#define RCC_IT_CSS                       ((uint8_t)0x80)
/**
  * @}
  */
  
/** @defgroup RCC_Flag RCC Flags
  *        Elements values convention: 0XXYYYYYb
  *           - YYYYY  : Flag position in the register
  *           - 0XX  : Register index
  *                 - 01: CR register
  *                 - 10: BDCR register
  *                 - 11: CSR register
  * @{
  */
/* Flags in the CR register */
#define RCC_FLAG_HSIRDY                  ((uint8_t)0x21)
#define RCC_FLAG_HSERDY                  ((uint8_t)0x31)
#define RCC_FLAG_PLLRDY                  ((uint8_t)0x39)
#define RCC_FLAG_PLLI2SRDY               ((uint8_t)0x3B)
#define RCC_FLAG_PLLSAIRDY               ((uint8_t)0x3C)

/* Flags in the BDCR register */
#define RCC_FLAG_LSERDY                  ((uint8_t)0x41)

/* Flags in the CSR register */
#define RCC_FLAG_LSIRDY                  ((uint8_t)0x61)
#define RCC_FLAG_BORRST                  ((uint8_t)0x79)
#define RCC_FLAG_PINRST                  ((uint8_t)0x7A)
#define RCC_FLAG_PORRST                  ((uint8_t)0x7B)
#define RCC_FLAG_SFTRST                  ((uint8_t)0x7C)
#define RCC_FLAG_IWDGRST                 ((uint8_t)0x7D)
#define RCC_FLAG_WWDGRST                 ((uint8_t)0x7E)
#define RCC_FLAG_LPWRRST                 ((uint8_t)0x7F)
/**
  * @}
  */ 

/** @defgroup RCC_LSEDrive_Configuration RCC LSE Drive configurations
  * @{
  */
#define RCC_LSEDRIVE_LOW                 ((uint32_t)0x00000000)
#define RCC_LSEDRIVE_MEDIUMLOW           RCC_BDCR_LSEDRV_1
#define RCC_LSEDRIVE_MEDIUMHIGH          RCC_BDCR_LSEDRV_0
#define RCC_LSEDRIVE_HIGH                RCC_BDCR_LSEDRV
/**
  * @}
  */
  
/**
  * @}
  */
   
/* Exported macro ------------------------------------------------------------*/
/** @defgroup RCC_Exported_Macros RCC Exported Macros
  * @{
  */

/** @defgroup RCC_AHB1_Clock_Enable_Disable AHB1 Peripheral Clock Enable Disable
  * @brief  Enable or disable the AHB1 peripheral clock.
  * @note   After reset, the peripheral clock (used for registers read/write access)
  *         is disabled and the application software has to enable this clock before 
  *         using it.   
  * @{
  */
#define __HAL_RCC_CRC_CLK_ENABLE()   do { \
                                        __IO uint32_t tmpreg; \
                                        SET_BIT(RCC->AHB1ENR, RCC_AHB1ENR_CRCEN);\
                                        /* Delay after an RCC peripheral clock enabling */ \
                                        tmpreg = READ_BIT(RCC->AHB1ENR, RCC_AHB1ENR_CRCEN);\
                                        UNUSED(tmpreg); \
                                      } while(0)
									  
#define __HAL_RCC_DMA1_CLK_ENABLE()   do { \
                                        __IO uint32_t tmpreg; \
                                        SET_BIT(RCC->AHB1ENR, RCC_AHB1ENR_DMA1EN);\
                                        /* Delay after an RCC peripheral clock enabling */ \
                                        tmpreg = READ_BIT(RCC->AHB1ENR, RCC_AHB1ENR_DMA1EN);\
                                        UNUSED(tmpreg); \
                                      } while(0)

#define __HAL_RCC_CRC_CLK_DISABLE()          (RCC->AHB1ENR &= ~(RCC_AHB1ENR_CRCEN))
#define __HAL_RCC_DMA1_CLK_DISABLE()         (RCC->AHB1ENR &= ~(RCC_AHB1ENR_DMA1EN))

/**
  * @}
  */

/** @defgroup RCC_APB1_Clock_Enable_Disable APB1 Peripheral Clock Enable Disable
  * @brief  Enable or disable the Low Speed APB (APB1) peripheral clock.
  * @note   After reset, the peripheral clock (used for registers read/write access)
  *         is disabled and the application software has to enable this clock before
  *         using it.
  * @{
  */
#define __HAL_RCC_WWDG_CLK_ENABLE()   do { \
                                        __IO uint32_t tmpreg; \
                                        SET_BIT(RCC->APB1ENR, RCC_APB1ENR_WWDGEN);\
                                        /* Delay after an RCC peripheral clock enabling */ \
                                        tmpreg = READ_BIT(RCC->APB1ENR, RCC_APB1ENR_WWDGEN);\
                                        UNUSED(tmpreg); \
                                      } while(0)
									  
#define __HAL_RCC_PWR_CLK_ENABLE()   do { \
                                        __IO uint32_t tmpreg; \
                                        SET_BIT(RCC->APB1ENR, RCC_APB1ENR_PWREN);\
                                        /* Delay after an RCC peripheral clock enabling */ \
                                        tmpreg = READ_BIT(RCC->APB1ENR, RCC_APB1ENR_PWREN);\
                                        UNUSED(tmpreg); \
                                      } while(0)									  

#define __HAL_RCC_WWDG_CLK_DISABLE()   (RCC->APB1ENR &= ~(RCC_APB1ENR_WWDGEN))
#define __HAL_RCC_PWR_CLK_DISABLE()    (RCC->APB1ENR &= ~(RCC_APB1ENR_PWREN)) 
/**
  * @}
  */

/** @defgroup RCC_APB2_Clock_Enable_Disable APB2 Peripheral Clock Enable Disable                                      
  * @brief  Enable or disable the High Speed APB (APB2) peripheral clock.
  * @note   After reset, the peripheral clock (used for registers read/write access)
  *         is disabled and the application software has to enable this clock before 
  *         using it.
  * @{
  */
#define __HAL_RCC_SYSCFG_CLK_ENABLE()   do { \
                                        __IO uint32_t tmpreg; \
                                        SET_BIT(RCC->APB2ENR, RCC_APB2ENR_SYSCFGEN);\
                                        /* Delay after an RCC peripheral clock enabling */ \
                                        tmpreg = READ_BIT(RCC->APB2ENR, RCC_APB2ENR_SYSCFGEN);\
                                        UNUSED(tmpreg); \
                                      } while(0)
									  
#define __HAL_RCC_SYSCFG_CLK_DISABLE() (RCC->APB2ENR &= ~(RCC_APB2ENR_SYSCFGEN))

/**
  * @}
  */
  
/** @defgroup RCC_AHB1_Peripheral_Clock_Enable_Disable_Status AHB1 Peripheral Clock Enable Disable Status
  * @brief  Get the enable or disable status of the AHB1 peripheral clock.
  * @note   After reset, the peripheral clock (used for registers read/write access)
  *         is disabled and the application software has to enable this clock before
  *         using it.
  * @{
  */
#define __HAL_RCC_CRC_IS_CLK_ENABLED()         ((RCC->AHB1ENR & (RCC_AHB1ENR_CRCEN)) != RESET)  
#define __HAL_RCC_DMA1_IS_CLK_ENABLED()        ((RCC->AHB1ENR & (RCC_AHB1ENR_DMA1EN)) != RESET)

#define __HAL_RCC_CRC_IS_CLK_DISABLED()        ((RCC->AHB1ENR & (RCC_AHB1ENR_CRCEN)) == RESET)
#define __HAL_RCC_DMA1_IS_CLK_DISABLED()       ((RCC->AHB1ENR & (RCC_AHB1ENR_DMA1EN)) == RESET)
/**
  * @}
  */
  
/** @defgroup RCC_APB1_Clock_Enable_Disable_Status APB1 Peripheral Clock Enable Disable  Status
  * @brief  Get the enable or disable status of the APB1 peripheral clock.
  * @note   After reset, the peripheral clock (used for registers read/write access)
  *         is disabled and the application software has to enable this clock before
  *         using it.
  * @{
  */
#define __HAL_RCC_WWDG_IS_CLK_ENABLED()        ((RCC->APB1ENR & (RCC_APB1ENR_WWDGEN)) != RESET)
#define __HAL_RCC_PWR_IS_CLK_ENABLED()         ((RCC->APB1ENR & (RCC_APB1ENR_PWREN)) != RESET)

#define __HAL_RCC_WWDG_IS_CLK_DISABLED()       ((RCC->APB1ENR & (RCC_APB1ENR_WWDGEN)) == RESET)
#define __HAL_RCC_PWR_IS_CLK_DISABLED()        ((RCC->APB1ENR & (RCC_APB1ENR_PWREN)) == RESET)
/**
  * @}
  */  

/** @defgroup RCC_APB2_Clock_Enable_Disable_Status APB2 Peripheral Clock Enable Disable Status
  * @brief  EGet the enable or disable status of the APB2 peripheral clock.
  * @note   After reset, the peripheral clock (used for registers read/write access)
  *         is disabled and the application software has to enable this clock before
  *         using it.
  * @{
  */
#define __HAL_RCC_SYSCFG_IS_CLK_ENABLED()      ((RCC->APB2ENR & (RCC_APB2ENR_SYSCFGEN)) != RESET)
#define __HAL_RCC_SYSCFG_IS_CLK_DISABLED()     ((RCC->APB2ENR & (RCC_APB2ENR_SYSCFGEN)) == RESET)
/**
  * @}
  */  
  
/** @defgroup RCC_Peripheral_Clock_Force_Release RCC Peripheral Clock Force Release
  * @brief  Force or release AHB peripheral reset.
  * @{
  */  
#define __HAL_RCC_AHB1_FORCE_RESET()    (RCC->AHB1RSTR = 0xFFFFFFFF)
#define __HAL_RCC_CRC_FORCE_RESET()     (RCC->AHB1RSTR |= (RCC_AHB1RSTR_CRCRST))
#define __HAL_RCC_DMA1_FORCE_RESET()    (RCC->AHB1RSTR |= (RCC_AHB1RSTR_DMA1RST))

#define __HAL_RCC_AHB1_RELEASE_RESET()  (RCC->AHB1RSTR = 0x00)
#define __HAL_RCC_CRC_RELEASE_RESET()   (RCC->AHB1RSTR &= ~(RCC_AHB1RSTR_CRCRST))
#define __HAL_RCC_DMA1_RELEASE_RESET()  (RCC->AHB1RSTR &= ~(RCC_AHB1RSTR_DMA1RST))
/**
  * @}
  */

/** @defgroup RCC_APB1_Force_Release_Reset APB1 Force Release Reset 
  * @brief  Force or release APB1 peripheral reset.
  * @{
  */
#define __HAL_RCC_APB1_FORCE_RESET()     (RCC->APB1RSTR = 0xFFFFFFFF)  
#define __HAL_RCC_WWDG_FORCE_RESET()     (RCC->APB1RSTR |= (RCC_APB1RSTR_WWDGRST))
#define __HAL_RCC_PWR_FORCE_RESET()      (RCC->APB1RSTR |= (RCC_APB1RSTR_PWRRST))

#define __HAL_RCC_APB1_RELEASE_RESET()   (RCC->APB1RSTR = 0x00) 
#define __HAL_RCC_WWDG_RELEASE_RESET()   (RCC->APB1RSTR &= ~(RCC_APB1RSTR_WWDGRST))
#define __HAL_RCC_PWR_RELEASE_RESET()    (RCC->APB1RSTR &= ~(RCC_APB1RSTR_PWRRST))
/**
  * @}
  */

/** @defgroup RCC_APB2_Force_Release_Reset APB2 Force Release Reset 
  * @brief  Force or release APB2 peripheral reset.
  * @{
  */
#define __HAL_RCC_APB2_FORCE_RESET()     (RCC->APB2RSTR = 0xFFFFFFFF)  
#define __HAL_RCC_SYSCFG_FORCE_RESET()   (RCC->APB2RSTR |= (RCC_APB2RSTR_SYSCFGRST))

#define __HAL_RCC_APB2_RELEASE_RESET()   (RCC->APB2RSTR = 0x00)
#define __HAL_RCC_SYSCFG_RELEASE_RESET() (RCC->APB2RSTR &= ~(RCC_APB2RSTR_SYSCFGRST))

/**
  * @}
  */

/** @defgroup RCC_Peripheral_Clock_Sleep_Enable_Disable RCC Peripheral Clock Sleep Enable Disable
  * @note   Peripheral clock gating in SLEEP mode can be used to further reduce
  *         power consumption.
  * @note   After wakeup from SLEEP mode, the peripheral clock is enabled again.
  * @note   By default, all peripheral clocks are enabled during SLEEP mode.
  * @{
  */
#define __HAL_RCC_CRC_CLK_SLEEP_ENABLE()      (RCC->AHB1LPENR |= (RCC_AHB1LPENR_CRCLPEN))
#define __HAL_RCC_DMA1_CLK_SLEEP_ENABLE()     (RCC->AHB1LPENR |= (RCC_AHB1LPENR_DMA1LPEN))

#define __HAL_RCC_CRC_CLK_SLEEP_DISABLE()     (RCC->AHB1LPENR &= ~(RCC_AHB1LPENR_CRCLPEN))
#define __HAL_RCC_DMA1_CLK_SLEEP_DISABLE()    (RCC->AHB1LPENR &= ~(RCC_AHB1LPENR_DMA1LPEN))

/** @brief  Enable or disable the APB1 peripheral clock during Low Power (Sleep) mode.
  * @note   Peripheral clock gating in SLEEP mode can be used to further reduce
  *         power consumption.
  * @note   After wakeup from SLEEP mode, the peripheral clock is enabled again.
  * @note   By default, all peripheral clocks are enabled during SLEEP mode.
  */
#define __HAL_RCC_WWDG_CLK_SLEEP_ENABLE()    (RCC->APB1LPENR |= (RCC_APB1LPENR_WWDGLPEN))
#define __HAL_RCC_PWR_CLK_SLEEP_ENABLE()     (RCC->APB1LPENR |= (RCC_APB1LPENR_PWRLPEN))

#define __HAL_RCC_WWDG_CLK_SLEEP_DISABLE()   (RCC->APB1LPENR &= ~(RCC_APB1LPENR_WWDGLPEN))
#define __HAL_RCC_PWR_CLK_SLEEP_DISABLE()    (RCC->APB1LPENR &= ~(RCC_APB1LPENR_PWRLPEN))

/** @brief  Enable or disable the APB2 peripheral clock during Low Power (Sleep) mode.
  * @note   Peripheral clock gating in SLEEP mode can be used to further reduce
  *         power consumption.
  * @note   After wakeup from SLEEP mode, the peripheral clock is enabled again.
  * @note   By default, all peripheral clocks are enabled during SLEEP mode.
  */
#define __HAL_RCC_SYSCFG_CLK_SLEEP_ENABLE()  (RCC->APB2LPENR |= (RCC_APB2LPENR_SYSCFGLPEN))
#define __HAL_RCC_SYSCFG_CLK_SLEEP_DISABLE() (RCC->APB2LPENR &= ~(RCC_APB2LPENR_SYSCFGLPEN))

/**
  * @}
  */
  
/** @defgroup RCC_AHB1_Clock_Sleep_Enable_Disable_Status AHB1 Peripheral Clock Sleep Enable Disable Status
  * @brief  Get the enable or disable status of the AHB1 peripheral clock during Low Power (Sleep) mode.
  * @note   Peripheral clock gating in SLEEP mode can be used to further reduce
  *         power consumption.
  * @note   After wakeup from SLEEP mode, the peripheral clock is enabled again.
  * @note   By default, all peripheral clocks are enabled during SLEEP mode.
  * @{
  */
#define __HAL_RCC_CRC_IS_CLK_SLEEP_ENABLED()     ((RCC->AHB1LPENR & (RCC_AHB1LPENR_CRCLPEN)) != RESET)
#define __HAL_RCC_DMA1_IS_CLK_SLEEP_ENABLED()    ((RCC->AHB1LPENR & (RCC_AHB1LPENR_DMA1LPEN)) != RESET)

#define __HAL_RCC_CRC_IS_CLK_SLEEP_DISABLED()    ((RCC->AHB1LPENR & (RCC_AHB1LPENR_CRCLPEN)) == RESET)
#define __HAL_RCC_DMA1_IS_CLK_SLEEP_DISABLED()   ((RCC->AHB1LPENR & (RCC_AHB1LPENR_DMA1LPEN)) == RESET)
/**
  * @}
  */

/** @defgroup RCC_APB1_Clock_Sleep_Enable_Disable_Status APB1 Peripheral Clock Sleep Enable Disable Status
  * @brief  Get the enable or disable status of the APB1 peripheral clock during Low Power (Sleep) mode.
  * @note   Peripheral clock gating in SLEEP mode can be used to further reduce
  *         power consumption.
  * @note   After wakeup from SLEEP mode, the peripheral clock is enabled again.
  * @note   By default, all peripheral clocks are enabled during SLEEP mode.
  * @{
  */
#define __HAL_RCC_WWDG_IS_CLK_SLEEP_ENABLED()      ((RCC->APB1LPENR & (RCC_APB1LPENR_WWDGLPEN)) != RESET)
#define __HAL_RCC_PWR_IS_CLK_SLEEP_ENABLED()       ((RCC->APB1LPENR & (RCC_APB1LPENR_PWRLPEN)) != RESET)

#define __HAL_RCC_WWDG_IS_CLK_SLEEP_DISABLED()     ((RCC->APB1LPENR & (RCC_APB1LPENR_WWDGLPEN)) == RESET)
#define __HAL_RCC_PWR_IS_CLK_SLEEP_DISABLED()      ((RCC->APB1LPENR & (RCC_APB1LPENR_PWRLPEN)) == RESET)
/**
  * @}
  */

/** @defgroup RCC_APB2_Clock_Sleep_Enable_Disable_Status APB2 Peripheral Clock Sleep Enable Disable Status
  * @brief  Get the enable or disable status of the APB2 peripheral clock during Low Power (Sleep) mode.
  * @note   Peripheral clock gating in SLEEP mode can be used to further reduce
  *         power consumption.
  * @note   After wakeup from SLEEP mode, the peripheral clock is enabled again.
  * @note   By default, all peripheral clocks are enabled during SLEEP mode.
  * @{
  */
#define __HAL_RCC_SYSCFG_IS_CLK_SLEEP_ENABLED()    ((RCC->APB2LPENR & (RCC_APB2LPENR_SYSCFGLPEN)) != RESET)
#define __HAL_RCC_SYSCFG_IS_CLK_SLEEP_DISABLED()   ((RCC->APB2LPENR & (RCC_APB2LPENR_SYSCFGLPEN)) == RESET)
/**
  * @}
  */  

/** @defgroup RCC_HSI_Configuration HSI Configuration
  * @{   
  */ 
                                      
/** @brief  Macros to enable or disable the Internal High Speed oscillator (HSI).
  * @note   The HSI is stopped by hardware when entering STOP and STANDBY modes.
  *         It is used (enabled by hardware) as system clock source after startup
  *         from Reset, wakeup from STOP and STANDBY mode, or in case of failure
  *         of the HSE used directly or indirectly as system clock (if the Clock
  *         Security System CSS is enabled).             
  * @note   HSI can not be stopped if it is used as system clock source. In this case,
  *         you have to select another source of the system clock then stop the HSI.  
  * @note   After enabling the HSI, the application software should wait on HSIRDY
  *         flag to be set indicating that HSI clock is stable and can be used as
  *         system clock source.  
  * @note   When the HSI is stopped, HSIRDY flag goes low after 6 HSI oscillator
  *         clock cycles.  
  */
#define __HAL_RCC_HSI_ENABLE() (RCC->CR |= (RCC_CR_HSION))
#define __HAL_RCC_HSI_DISABLE() (RCC->CR &= ~(RCC_CR_HSION))

/** @brief  Macro to adjust the Internal High Speed oscillator (HSI) calibration value.
  * @note   The calibration is used to compensate for the variations in voltage
  *         and temperature that influence the frequency of the internal HSI RC.
  * @param  __HSICALIBRATIONVALUE__: specifies the calibration trimming value.
  *         This parameter must be a number between 0 and 0x1F.
  */
#define __HAL_RCC_HSI_CALIBRATIONVALUE_ADJUST(__HSICALIBRATIONVALUE__) (MODIFY_REG(RCC->CR,\
        RCC_CR_HSITRIM, (uint32_t)(__HSICALIBRATIONVALUE__) << POSITION_VAL(RCC_CR_HSITRIM)))
/**
  * @}
  */

/** @defgroup RCC_LSI_Configuration LSI Configuration
  * @{   
  */ 

/** @brief  Macros to enable or disable the Internal Low Speed oscillator (LSI).
  * @note   After enabling the LSI, the application software should wait on 
  *         LSIRDY flag to be set indicating that LSI clock is stable and can
  *         be used to clock the IWDG and/or the RTC.
  * @note   LSI can not be disabled if the IWDG is running.
  * @note   When the LSI is stopped, LSIRDY flag goes low after 6 LSI oscillator
  *         clock cycles. 
  */
#define __HAL_RCC_LSI_ENABLE()  (RCC->CSR |= (RCC_CSR_LSION))
#define __HAL_RCC_LSI_DISABLE() (RCC->CSR &= ~(RCC_CSR_LSION))
/**
  * @}
  */

/** @defgroup RCC_HSE_Configuration HSE Configuration
  * @{   
  */ 
/**
  * @brief  Macro to configure the External High Speed oscillator (__HSE__).
  * @note   After enabling the HSE (RCC_HSE_ON or RCC_HSE_Bypass), the application
  *         software should wait on HSERDY flag to be set indicating that HSE clock
  *         is stable and can be used to clock the PLL and/or system clock.
  * @note   HSE state can not be changed if it is used directly or through the
  *         PLL as system clock. In this case, you have to select another source
  *         of the system clock then change the HSE state (ex. disable it).
  * @note   The HSE is stopped by hardware when entering STOP and STANDBY modes.  
  * @note   This function reset the CSSON bit, so if the clock security system(CSS)
  *         was previously enabled you have to enable it again after calling this
  *         function.    
  * @param  __STATE__: specifies the new state of the HSE.
  *         This parameter can be one of the following values:
  *            @arg RCC_HSE_OFF: turn OFF the HSE oscillator, HSERDY flag goes low after
  *                              6 HSE oscillator clock cycles.
  *            @arg RCC_HSE_ON: turn ON the HSE oscillator.
  *            @arg RCC_HSE_BYPASS: HSE oscillator bypassed with external clock.
  */
#define __HAL_RCC_HSE_CONFIG(__STATE__) \
                    do {                                     \
                      CLEAR_BIT(RCC->CR, RCC_CR_HSEON);      \
                      if((__STATE__) == RCC_HSE_ON)          \
                      {                                      \
                        CLEAR_BIT(RCC->CR, RCC_CR_HSEBYP);   \
                        SET_BIT(RCC->CR, RCC_CR_HSEON);      \
                      }                                      \
                      else if((__STATE__) == RCC_HSE_BYPASS) \
                      {                                      \
                        SET_BIT(RCC->CR, RCC_CR_HSEBYP);     \
                        SET_BIT(RCC->CR, RCC_CR_HSEON);      \
                      }                                      \
                      else                                   \
                      {                                      \
                        CLEAR_BIT(RCC->CR, RCC_CR_HSEBYP);   \
                        CLEAR_BIT(RCC->CR, RCC_CR_HSEON);    \
                        }                                    \
                    } while(0)
/**
  * @}
  */

/** @defgroup RCC_LSE_Configuration LSE Configuration
  * @{   
  */

/**
  * @brief  Macro to configure the External Low Speed oscillator (LSE).
  * @note   Transition LSE Bypass to LSE On and LSE On to LSE Bypass are not supported by this macro. 
  *         User should request a transition to LSE Off first and then LSE On or LSE Bypass.  
  * @note   As the LSE is in the Backup domain and write access is denied to
  *         this domain after reset, you have to enable write access using 
  *         HAL_PWR_EnableBkUpAccess() function before to configure the LSE
  *         (to be done once after reset).  
  * @note   After enabling the LSE (RCC_LSE_ON or RCC_LSE_BYPASS), the application
  *         software should wait on LSERDY flag to be set indicating that LSE clock
  *         is stable and can be used to clock the RTC.
  * @param  __STATE__: specifies the new state of the LSE.
  *         This parameter can be one of the following values:
  *            @arg RCC_LSE_OFF: turn OFF the LSE oscillator, LSERDY flag goes low after
  *                              6 LSE oscillator clock cycles.
  *            @arg RCC_LSE_ON: turn ON the LSE oscillator.
  *            @arg RCC_LSE_BYPASS: LSE oscillator bypassed with external clock.
  */
#define __HAL_RCC_LSE_CONFIG(__STATE__) \
                    do {                                       \
                      CLEAR_BIT(RCC->BDCR, RCC_BDCR_LSEON);    \
                      if((__STATE__) == RCC_LSE_ON)            \
                      {                                        \
                        CLEAR_BIT(RCC->BDCR, RCC_BDCR_LSEBYP); \
                        SET_BIT(RCC->BDCR, RCC_BDCR_LSEON);    \
                      }                                        \
                      else if((__STATE__) == RCC_LSE_BYPASS)   \
                      {                                        \
                        SET_BIT(RCC->BDCR, RCC_BDCR_LSEBYP);   \
                        SET_BIT(RCC->BDCR, RCC_BDCR_LSEON);    \
                      }                                        \
                      else                                     \
                      {                                        \
                        CLEAR_BIT(RCC->BDCR, RCC_BDCR_LSEBYP); \
                        CLEAR_BIT(RCC->BDCR, RCC_BDCR_LSEON);  \
                      }                                        \
                    } while(0)
/**
  * @}
  */

/** @defgroup RCC_Internal_RTC_Clock_Configuration RTC Clock Configuration
  * @{   
  */

/** @brief  Macros to enable or disable the RTC clock.
  * @note   These macros must be used only after the RTC clock source was selected.
  */
#define __HAL_RCC_RTC_ENABLE()  (RCC->BDCR |= (RCC_BDCR_RTCEN))
#define __HAL_RCC_RTC_DISABLE() (RCC->BDCR &= ~(RCC_BDCR_RTCEN))

/** @brief  Macros to configure the RTC clock (RTCCLK).
  * @note   As the RTC clock configuration bits are in the Backup domain and write
  *         access is denied to this domain after reset, you have to enable write
  *         access using the Power Backup Access macro before to configure
  *         the RTC clock source (to be done once after reset).    
  * @note   Once the RTC clock is configured it can't be changed unless the  
  *         Backup domain is reset using __HAL_RCC_BackupReset_RELEASE() macro, or by
  *         a Power On Reset (POR).
  * @param  __RTCCLKSource__: specifies the RTC clock source.
  *         This parameter can be one of the following values:
  *            @arg RCC_RTCCLKSOURCE_LSE: LSE selected as RTC clock.
  *            @arg RCC_RTCCLKSOURCE_LSI: LSI selected as RTC clock.
  *            @arg RCC_RTCCLKSOURCE_HSE_DIVx: HSE clock divided by x selected
  *                                            as RTC clock, where x:[2,31]
  * @note   If the LSE or LSI is used as RTC clock source, the RTC continues to
  *         work in STOP and STANDBY modes, and can be used as wakeup source.
  *         However, when the HSE clock is used as RTC clock source, the RTC
  *         cannot be used in STOP and STANDBY modes.    
  * @note   The maximum input clock frequency for RTC is 1MHz (when using HSE as
  *         RTC clock source).
  */
#define __HAL_RCC_RTC_CLKPRESCALER(__RTCCLKSource__) (((__RTCCLKSource__) & RCC_BDCR_RTCSEL) == RCC_BDCR_RTCSEL) ?    \
                                                 MODIFY_REG(RCC->CFGR, RCC_CFGR_RTCPRE, ((__RTCCLKSource__) & 0xFFFFCFF)) : CLEAR_BIT(RCC->CFGR, RCC_CFGR_RTCPRE)
                                                   
#define __HAL_RCC_RTC_CONFIG(__RTCCLKSource__) do { __HAL_RCC_RTC_CLKPRESCALER(__RTCCLKSource__);    \
                                                    RCC->BDCR |= ((__RTCCLKSource__) & 0x00000FFF);  \
                                                   } while (0)

/** @brief  Macros to force or release the Backup domain reset.
  * @note   This function resets the RTC peripheral (including the backup registers)
  *         and the RTC clock source selection in RCC_CSR register.
  * @note   The BKPSRAM is not affected by this reset.   
  */
#define __HAL_RCC_BACKUPRESET_FORCE()   (RCC->BDCR |= (RCC_BDCR_BDRST))
#define __HAL_RCC_BACKUPRESET_RELEASE() (RCC->BDCR &= ~(RCC_BDCR_BDRST))
/**
  * @}
  */

/** @defgroup RCC_PLL_Configuration PLL Configuration
  * @{   
  */

/** @brief  Macros to enable or disable the main PLL.
  * @note   After enabling the main PLL, the application software should wait on 
  *         PLLRDY flag to be set indicating that PLL clock is stable and can
  *         be used as system clock source.
  * @note   The main PLL can not be disabled if it is used as system clock source
  * @note   The main PLL is disabled by hardware when entering STOP and STANDBY modes.
  */
#define __HAL_RCC_PLL_ENABLE() SET_BIT(RCC->CR, RCC_CR_PLLON)
#define __HAL_RCC_PLL_DISABLE() CLEAR_BIT(RCC->CR, RCC_CR_PLLON)


/** @brief  Macro to configure the main PLL clock source, multiplication and division factors.
  * @note   This function must be used only when the main PLL is disabled.
  * @param  __RCC_PLLSource__: specifies the PLL entry clock source.
  *         This parameter can be one of the following values:
  *            @arg RCC_PLLSOURCE_HSI: HSI oscillator clock selected as PLL clock entry
  *            @arg RCC_PLLSOURCE_HSE: HSE oscillator clock selected as PLL clock entry
  * @note   This clock source (RCC_PLLSource) is common for the main PLL and PLLI2S.  
  * @param  __PLLM__: specifies the division factor for PLL VCO input clock
  *         This parameter must be a number between Min_Data = 2 and Max_Data = 63.
  * @note   You have to set the PLLM parameter correctly to ensure that the VCO input
  *         frequency ranges from 1 to 2 MHz. It is recommended to select a frequency
  *         of 2 MHz to limit PLL jitter.
  * @param  __PLLN__: specifies the multiplication factor for PLL VCO output clock
  *         This parameter must be a number between Min_Data = 192 and Max_Data = 432.
  * @note   You have to set the PLLN parameter correctly to ensure that the VCO
  *         output frequency is between 192 and 432 MHz.
  * @param  __PLLP__: specifies the division factor for main system clock (SYSCLK)
  *         This parameter must be a number in the range {2, 4, 6, or 8}.
  * @note   You have to set the PLLP parameter correctly to not exceed 216 MHz on
  *         the System clock frequency.
  * @param  __PLLQ__: specifies the division factor for OTG FS, SDMMC and RNG clocks
  *         This parameter must be a number between Min_Data = 2 and Max_Data = 15.
  * @note   If the USB OTG FS is used in your application, you have to set the
  *         PLLQ parameter correctly to have 48 MHz clock for the USB. However,
  *         the SDMMC and RNG need a frequency lower than or equal to 48 MHz to work
  *         correctly.
  */
#define __HAL_RCC_PLL_CONFIG(__RCC_PLLSource__, __PLLM__, __PLLN__, __PLLP__, __PLLQ__)\
                            (RCC->PLLCFGR = (0x20000000 | (__PLLM__) | ((__PLLN__) << POSITION_VAL(RCC_PLLCFGR_PLLN)) | \
                            ((((__PLLP__) >> 1) -1) << POSITION_VAL(RCC_PLLCFGR_PLLP)) | (__RCC_PLLSource__) | \
                            ((__PLLQ__) << POSITION_VAL(RCC_PLLCFGR_PLLQ))))
                            
/** @brief  Macro to configure the PLL clock source.
  * @note   This function must be used only when the main PLL is disabled.
  * @param  __PLLSOURCE__: specifies the PLL entry clock source.
  *         This parameter can be one of the following values:
  *            @arg RCC_PLLSOURCE_HSI: HSI oscillator clock selected as PLL clock entry
  *            @arg RCC_PLLSOURCE_HSE: HSE oscillator clock selected as PLL clock entry
  *      
  */
#define __HAL_RCC_PLL_PLLSOURCE_CONFIG(__PLLSOURCE__) MODIFY_REG(RCC->PLLCFGR, RCC_PLLCFGR_PLLSRC, (__PLLSOURCE__))

/** @brief  Macro to configure the PLL multiplication factor.
  * @note   This function must be used only when the main PLL is disabled.
  * @param  __PLLM__: specifies the division factor for PLL VCO input clock
  *         This parameter must be a number between Min_Data = 2 and Max_Data = 63.
  * @note   You have to set the PLLM parameter correctly to ensure that the VCO input
  *         frequency ranges from 1 to 2 MHz. It is recommended to select a frequency
  *         of 2 MHz to limit PLL jitter.
  *      
  */
#define __HAL_RCC_PLL_PLLM_CONFIG(__PLLM__) MODIFY_REG(RCC->PLLCFGR, RCC_PLLCFGR_PLLM, (__PLLM__))
/**
  * @}
  */

/** @defgroup RCC_PLL_I2S_Configuration PLL I2S Configuration
  * @{   
  */

/** @brief  Macro to configure the I2S clock source (I2SCLK).
  * @note   This function must be called before enabling the I2S APB clock.
  * @param  __SOURCE__: specifies the I2S clock source.
  *         This parameter can be one of the following values:
  *            @arg RCC_I2SCLKSOURCE_PLLI2S: PLLI2S clock used as I2S clock source.
  *            @arg RCC_I2SCLKSOURCE_EXT: External clock mapped on the I2S_CKIN pin
  *                                       used as I2S clock source.
  */
#define __HAL_RCC_I2S_CONFIG(__SOURCE__) do {RCC->CFGR &= ~(RCC_CFGR_I2SSRC); \
                                          RCC->CFGR |= (__SOURCE__); \
                                         }while(0)

/** @brief Macros to enable or disable the PLLI2S. 
  * @note  The PLLI2S is disabled by hardware when entering STOP and STANDBY modes.
  */
#define __HAL_RCC_PLLI2S_ENABLE() (RCC->CR |= (RCC_CR_PLLI2SON))
#define __HAL_RCC_PLLI2S_DISABLE() (RCC->CR &= ~(RCC_CR_PLLI2SON))
/**
  * @}
  */

/** @defgroup RCC_Get_Clock_source Get Clock source
  * @{   
  */
/**
  * @brief Macro to configure the system clock source.
  * @param __RCC_SYSCLKSOURCE__: specifies the system clock source.
  * This parameter can be one of the following values:
  *              - RCC_SYSCLKSOURCE_HSI: HSI oscillator is used as system clock source.
  *              - RCC_SYSCLKSOURCE_HSE: HSE oscillator is used as system clock source.
  *              - RCC_SYSCLKSOURCE_PLLCLK: PLL output is used as system clock source.
  */
#define __HAL_RCC_SYSCLK_CONFIG(__RCC_SYSCLKSOURCE__) MODIFY_REG(RCC->CFGR, RCC_CFGR_SW, (__RCC_SYSCLKSOURCE__))

/** @brief  Macro to get the clock source used as system clock.
  * @retval The clock source used as system clock. The returned value can be one
  *         of the following:
  *              - RCC_SYSCLKSOURCE_STATUS_HSI: HSI used as system clock.
  *              - RCC_SYSCLKSOURCE_STATUS_HSE: HSE used as system clock.
  *              - RCC_SYSCLKSOURCE_STATUS_PLLCLK: PLL used as system clock.
  */     
#define __HAL_RCC_GET_SYSCLK_SOURCE() ((uint32_t)(RCC->CFGR & RCC_CFGR_SWS))

/**
  * @brief  Macro to configures the External Low Speed oscillator (LSE) drive capability.
  * @note   As the LSE is in the Backup domain and write access is denied to
  *         this domain after reset, you have to enable write access using
  *         HAL_PWR_EnableBkUpAccess() function before to configure the LSE
  *         (to be done once after reset).
  * @param  __RCC_LSEDRIVE__: specifies the new state of the LSE drive capability.
  *          This parameter can be one of the following values:
  *            @arg RCC_LSEDRIVE_LOW: LSE oscillator low drive capability.
  *            @arg RCC_LSEDRIVE_MEDIUMLOW: LSE oscillator medium low drive capability.
  *            @arg RCC_LSEDRIVE_MEDIUMHIGH: LSE oscillator medium high drive capability.
  *            @arg RCC_LSEDRIVE_HIGH: LSE oscillator high drive capability.
  * @retval None
  */
#define __HAL_RCC_LSEDRIVE_CONFIG(__RCC_LSEDRIVE__) \
                  (MODIFY_REG(RCC->BDCR, RCC_BDCR_LSEDRV, (uint32_t)(__RCC_LSEDRIVE__) ))

/** @brief  Macro to get the oscillator used as PLL clock source.
  * @retval The oscillator used as PLL clock source. The returned value can be one
  *         of the following:
  *              - RCC_PLLSOURCE_HSI: HSI oscillator is used as PLL clock source.
  *              - RCC_PLLSOURCE_HSE: HSE oscillator is used as PLL clock source.
  */
#define __HAL_RCC_GET_PLL_OSCSOURCE() ((uint32_t)(RCC->PLLCFGR & RCC_PLLCFGR_PLLSRC))
/**
  * @}
  */

/** @defgroup RCC_Flags_Interrupts_Management Flags Interrupts Management
  * @brief macros to manage the specified RCC Flags and interrupts.
  * @{
  */

/** @brief  Enable RCC interrupt (Perform Byte access to RCC_CIR[14:8] bits to enable
  *         the selected interrupts).
  * @param  __INTERRUPT__: specifies the RCC interrupt sources to be enabled.
  *         This parameter can be any combination of the following values:
  *            @arg RCC_IT_LSIRDY: LSI ready interrupt.
  *            @arg RCC_IT_LSERDY: LSE ready interrupt.
  *            @arg RCC_IT_HSIRDY: HSI ready interrupt.
  *            @arg RCC_IT_HSERDY: HSE ready interrupt.
  *            @arg RCC_IT_PLLRDY: Main PLL ready interrupt.
  *            @arg RCC_IT_PLLI2SRDY: PLLI2S ready interrupt.
  */
#define __HAL_RCC_ENABLE_IT(__INTERRUPT__) (*(__IO uint8_t *) RCC_CIR_BYTE1_ADDRESS |= (__INTERRUPT__))

/** @brief Disable RCC interrupt (Perform Byte access to RCC_CIR[14:8] bits to disable 
  *        the selected interrupts).
  * @param  __INTERRUPT__: specifies the RCC interrupt sources to be disabled.
  *         This parameter can be any combination of the following values:
  *            @arg RCC_IT_LSIRDY: LSI ready interrupt.
  *            @arg RCC_IT_LSERDY: LSE ready interrupt.
  *            @arg RCC_IT_HSIRDY: HSI ready interrupt.
  *            @arg RCC_IT_HSERDY: HSE ready interrupt.
  *            @arg RCC_IT_PLLRDY: Main PLL ready interrupt.
  *            @arg RCC_IT_PLLI2SRDY: PLLI2S ready interrupt.
  */
#define __HAL_RCC_DISABLE_IT(__INTERRUPT__) (*(__IO uint8_t *) RCC_CIR_BYTE1_ADDRESS &= ~(__INTERRUPT__))

/** @brief  Clear the RCC's interrupt pending bits (Perform Byte access to RCC_CIR[23:16]
  *         bits to clear the selected interrupt pending bits.
  * @param  __INTERRUPT__: specifies the interrupt pending bit to clear.
  *         This parameter can be any combination of the following values:
  *            @arg RCC_IT_LSIRDY: LSI ready interrupt.
  *            @arg RCC_IT_LSERDY: LSE ready interrupt.
  *            @arg RCC_IT_HSIRDY: HSI ready interrupt.
  *            @arg RCC_IT_HSERDY: HSE ready interrupt.
  *            @arg RCC_IT_PLLRDY: Main PLL ready interrupt.
  *            @arg RCC_IT_PLLI2SRDY: PLLI2S ready interrupt.  
  *            @arg RCC_IT_CSS: Clock Security System interrupt
  */
#define __HAL_RCC_CLEAR_IT(__INTERRUPT__) (*(__IO uint8_t *) RCC_CIR_BYTE2_ADDRESS = (__INTERRUPT__))

/** @brief  Check the RCC's interrupt has occurred or not.
  * @param  __INTERRUPT__: specifies the RCC interrupt source to check.
  *         This parameter can be one of the following values:
  *            @arg RCC_IT_LSIRDY: LSI ready interrupt.
  *            @arg RCC_IT_LSERDY: LSE ready interrupt.
  *            @arg RCC_IT_HSIRDY: HSI ready interrupt.
  *            @arg RCC_IT_HSERDY: HSE ready interrupt.
  *            @arg RCC_IT_PLLRDY: Main PLL ready interrupt.
  *            @arg RCC_IT_PLLI2SRDY: PLLI2S ready interrupt.
  *            @arg RCC_IT_CSS: Clock Security System interrupt
  * @retval The new state of __INTERRUPT__ (TRUE or FALSE).
  */
#define __HAL_RCC_GET_IT(__INTERRUPT__) ((RCC->CIR & (__INTERRUPT__)) == (__INTERRUPT__))

/** @brief Set RMVF bit to clear the reset flags: RCC_FLAG_PINRST, RCC_FLAG_PORRST, 
  *        RCC_FLAG_SFTRST, RCC_FLAG_IWDGRST, RCC_FLAG_WWDGRST and RCC_FLAG_LPWRRST.
  */
#define __HAL_RCC_CLEAR_RESET_FLAGS() (RCC->CSR |= RCC_CSR_RMVF)

/** @brief  Check RCC flag is set or not.
  * @param  __FLAG__: specifies the flag to check.
  *         This parameter can be one of the following values:
  *            @arg RCC_FLAG_HSIRDY: HSI oscillator clock ready.
  *            @arg RCC_FLAG_HSERDY: HSE oscillator clock ready.
  *            @arg RCC_FLAG_PLLRDY: Main PLL clock ready.
  *            @arg RCC_FLAG_PLLI2SRDY: PLLI2S clock ready.
  *            @arg RCC_FLAG_LSERDY: LSE oscillator clock ready.
  *            @arg RCC_FLAG_LSIRDY: LSI oscillator clock ready.
  *            @arg RCC_FLAG_BORRST: POR/PDR or BOR reset.
  *            @arg RCC_FLAG_PINRST: Pin reset.
  *            @arg RCC_FLAG_PORRST: POR/PDR reset.
  *            @arg RCC_FLAG_SFTRST: Software reset.
  *            @arg RCC_FLAG_IWDGRST: Independent Watchdog reset.
  *            @arg RCC_FLAG_WWDGRST: Window Watchdog reset.
  *            @arg RCC_FLAG_LPWRRST: Low Power reset.
  * @retval The new state of __FLAG__ (TRUE or FALSE).
  */
#define RCC_FLAG_MASK  ((uint8_t)0x1F)
#define __HAL_RCC_GET_FLAG(__FLAG__) (((((((__FLAG__) >> 5) == 1)? RCC->CR :((((__FLAG__) >> 5) == 2) ? RCC->BDCR :((((__FLAG__) >> 5) == 3)? RCC->CSR :RCC->CIR))) & ((uint32_t)1 << ((__FLAG__) & RCC_FLAG_MASK)))!= 0)? 1 : 0)

/**
  * @}
  */
     
/**
  * @}
  */

/* Include RCC HAL Extension module */
#include "stm32f7xx_hal_rcc_ex.h"

/* Exported functions --------------------------------------------------------*/
 /** @addtogroup RCC_Exported_Functions
  * @{
  */

/** @addtogroup RCC_Exported_Functions_Group1
  * @{
  */                             
/* Initialization and de-initialization functions  ******************************/
void HAL_RCC_DeInit(void);
HAL_StatusTypeDef HAL_RCC_OscConfig(RCC_OscInitTypeDef *RCC_OscInitStruct);
HAL_StatusTypeDef HAL_RCC_ClockConfig(RCC_ClkInitTypeDef *RCC_ClkInitStruct, uint32_t FLatency);
/**
  * @}
  */

/** @addtogroup RCC_Exported_Functions_Group2
  * @{
  */
/* Peripheral Control functions  ************************************************/
void     HAL_RCC_MCOConfig(uint32_t RCC_MCOx, uint32_t RCC_MCOSource, uint32_t RCC_MCODiv);
void     HAL_RCC_EnableCSS(void);
void     HAL_RCC_DisableCSS(void);
uint32_t HAL_RCC_GetSysClockFreq(void);
uint32_t HAL_RCC_GetHCLKFreq(void);
uint32_t HAL_RCC_GetPCLK1Freq(void);
uint32_t HAL_RCC_GetPCLK2Freq(void);
void     HAL_RCC_GetOscConfig(RCC_OscInitTypeDef *RCC_OscInitStruct);
void     HAL_RCC_GetClockConfig(RCC_ClkInitTypeDef *RCC_ClkInitStruct, uint32_t *pFLatency);

/* CSS NMI IRQ handler */
void HAL_RCC_NMI_IRQHandler(void);

/* User Callbacks in non blocking mode (IT mode) */ 
void HAL_RCC_CSSCallback(void);
/**
  * @}
  */

/**
  * @}
  */

/* Private types -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Private constants ---------------------------------------------------------*/
/** @defgroup RCC_Private_Constants RCC Private Constants
  * @{
  */
#define HSE_TIMEOUT_VALUE          HSE_STARTUP_TIMEOUT
#define HSI_TIMEOUT_VALUE          ((uint32_t)100)  /* 100 ms */
#define LSI_TIMEOUT_VALUE          ((uint32_t)100)  /* 100 ms */
#define PLL_TIMEOUT_VALUE          ((uint32_t)100)  /* 100 ms */
#define CLOCKSWITCH_TIMEOUT_VALUE  ((uint32_t)5000) /* 5 s    */ 

/** @defgroup RCC_BitAddress_Alias RCC BitAddress Alias
  * @brief RCC registers bit address alias
  * @{
  */
/* CIR register byte 2 (Bits[15:8]) base address */
#define RCC_CIR_BYTE1_ADDRESS         ((uint32_t)(RCC_BASE + 0x0C + 0x01))

/* CIR register byte 3 (Bits[23:16]) base address */
#define RCC_CIR_BYTE2_ADDRESS         ((uint32_t)(RCC_BASE + 0x0C + 0x02))

#define RCC_DBP_TIMEOUT_VALUE      ((uint32_t)100)
#define RCC_LSE_TIMEOUT_VALUE      ((uint32_t)5000)
/**
  * @}
  */
/**
  * @}
  */

/* Private macros ------------------------------------------------------------*/
/** @addtogroup RCC_Private_Macros RCC Private Macros
  * @{
  */
    
/** @defgroup RCC_IS_RCC_Definitions RCC Private macros to check input parameters
  * @{
  */  
#define IS_RCC_OSCILLATORTYPE(OSCILLATOR) ((OSCILLATOR) <= 15)

#define IS_RCC_HSE(HSE) (((HSE) == RCC_HSE_OFF) || ((HSE) == RCC_HSE_ON) || \
                         ((HSE) == RCC_HSE_BYPASS))

#define IS_RCC_LSE(LSE) (((LSE) == RCC_LSE_OFF) || ((LSE) == RCC_LSE_ON) || \
                         ((LSE) == RCC_LSE_BYPASS))

#define IS_RCC_HSI(HSI) (((HSI) == RCC_HSI_OFF) || ((HSI) == RCC_HSI_ON))

#define IS_RCC_LSI(LSI) (((LSI) == RCC_LSI_OFF) || ((LSI) == RCC_LSI_ON))

#define IS_RCC_PLL(PLL) (((PLL) == RCC_PLL_NONE) ||((PLL) == RCC_PLL_OFF) || ((PLL) == RCC_PLL_ON))

#define IS_RCC_PLLSOURCE(SOURCE) (((SOURCE) == RCC_PLLSOURCE_HSI) || \
                                  ((SOURCE) == RCC_PLLSOURCE_HSE))

#define IS_RCC_SYSCLKSOURCE(SOURCE) (((SOURCE) == RCC_SYSCLKSOURCE_HSI) || \
                                     ((SOURCE) == RCC_SYSCLKSOURCE_HSE) || \
                                     ((SOURCE) == RCC_SYSCLKSOURCE_PLLCLK))
#define IS_RCC_PLLM_VALUE(VALUE) ((2 <= (VALUE)) && ((VALUE) <= 63))

#define IS_RCC_PLLN_VALUE(VALUE) ((192 <= (VALUE)) && ((VALUE) <= 432))

#define IS_RCC_PLLP_VALUE(VALUE) (((VALUE) == RCC_PLLP_DIV2) || ((VALUE) == RCC_PLLP_DIV4) || \
                                  ((VALUE) == RCC_PLLP_DIV6) || ((VALUE) == RCC_PLLP_DIV8))
#define IS_RCC_PLLQ_VALUE(VALUE) ((2 <= (VALUE)) && ((VALUE) <= 15))

#define IS_RCC_HCLK(HCLK) (((HCLK) == RCC_SYSCLK_DIV1)   || ((HCLK) == RCC_SYSCLK_DIV2)   || \
                           ((HCLK) == RCC_SYSCLK_DIV4)   || ((HCLK) == RCC_SYSCLK_DIV8)   || \
                           ((HCLK) == RCC_SYSCLK_DIV16)  || ((HCLK) == RCC_SYSCLK_DIV64)  || \
                           ((HCLK) == RCC_SYSCLK_DIV128) || ((HCLK) == RCC_SYSCLK_DIV256) || \
                           ((HCLK) == RCC_SYSCLK_DIV512))

#define IS_RCC_CLOCKTYPE(CLK) ((1 <= (CLK)) && ((CLK) <= 15))

#define IS_RCC_PCLK(PCLK) (((PCLK) == RCC_HCLK_DIV1) || ((PCLK) == RCC_HCLK_DIV2) || \
                           ((PCLK) == RCC_HCLK_DIV4) || ((PCLK) == RCC_HCLK_DIV8) || \
                           ((PCLK) == RCC_HCLK_DIV16))

#define IS_RCC_MCO(MCOX) (((MCOX) == RCC_MCO1) || ((MCOX) == RCC_MCO2))


#define IS_RCC_MCO1SOURCE(SOURCE) (((SOURCE) == RCC_MCO1SOURCE_HSI) || ((SOURCE) == RCC_MCO1SOURCE_LSE) || \
                                   ((SOURCE) == RCC_MCO1SOURCE_HSE) || ((SOURCE) == RCC_MCO1SOURCE_PLLCLK))

#define IS_RCC_MCO2SOURCE(SOURCE) (((SOURCE) == RCC_MCO2SOURCE_SYSCLK) || ((SOURCE) == RCC_MCO2SOURCE_PLLI2SCLK)|| \
                                   ((SOURCE) == RCC_MCO2SOURCE_HSE)    || ((SOURCE) == RCC_MCO2SOURCE_PLLCLK))

#define IS_RCC_MCODIV(DIV) (((DIV) == RCC_MCODIV_1)  || ((DIV) == RCC_MCODIV_2) || \
                             ((DIV) == RCC_MCODIV_3) || ((DIV) == RCC_MCODIV_4) || \
                             ((DIV) == RCC_MCODIV_5)) 
#define IS_RCC_CALIBRATION_VALUE(VALUE) ((VALUE) <= 0x1F)

#define IS_RCC_RTCCLKSOURCE(SOURCE) (((SOURCE) == RCC_RTCCLKSOURCE_LSE) || ((SOURCE) == RCC_RTCCLKSOURCE_LSI) || \
                                     ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV2) || ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV3) || \
                                     ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV4) || ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV5) || \
                                     ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV6) || ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV7) || \
                                     ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV8) || ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV9) || \
                                     ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV10) || ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV11) || \
                                     ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV12) || ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV13) || \
                                     ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV14) || ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV15) || \
                                     ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV16) || ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV17) || \
                                     ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV18) || ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV19) || \
                                     ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV20) || ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV21) || \
                                     ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV22) || ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV23) || \
                                     ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV24) || ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV25) || \
                                     ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV26) || ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV27) || \
                                     ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV28) || ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV29) || \
                                     ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV30) || ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV31))


#define IS_RCC_LSE_DRIVE(DRIVE) (((DRIVE) == RCC_LSEDRIVE_LOW)        || \
                                     ((DRIVE) == RCC_LSEDRIVE_MEDIUMLOW)  || \
                                     ((DRIVE) == RCC_LSEDRIVE_MEDIUMHIGH) || \
                                     ((DRIVE) == RCC_LSEDRIVE_HIGH))
/**
  * @}
  */

/**
  * @}
  */

/**
  * @}
  */ 

/**
  * @}
  */

#ifdef __cplusplus
}
#endif

#endif /* __STM32F7xx_HAL_RCC_H */

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