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Child:
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/TARGET_NUCLEO_F072RB/stm32f0xx_hal_rcc_ex.h	Wed Jun 11 15:14:05 2014 +0100
@@ -0,0 +1,1375 @@
+/**
+  ******************************************************************************
+  * @file    stm32f0xx_hal_rcc_ex.h
+  * @author  MCD Application Team
+  * @version V1.0.0
+  * @date    28-May-2014
+  * @brief   Header file of RCC HAL Extension module.
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; COPYRIGHT(c) 2014 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 __STM32F0xx_HAL_RCC_EX_H
+#define __STM32F0xx_HAL_RCC_EX_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx_hal_def.h"
+
+/** @addtogroup STM32F0xx_HAL_Driver
+  * @{
+  */
+
+/** @addtogroup RCCEx
+  * @{
+  */
+
+/* Exported types ------------------------------------------------------------*/
+
+/**
+  * @brief  RCC extended clocks structure definition  
+  */
+#if defined(STM32F030x6) || defined(STM32F030x8) || defined(STM32F031x6) || defined(STM32F038xx)
+typedef struct
+{
+  uint32_t PeriphClockSelection; /*!< The Extended Clock to be configured.
+                                      This parameter can be a value of @ref RCCEx_Periph_Clock_Selection */
+
+  uint32_t RTCClockSelection;    /*!< Specifies RTC Clock Prescalers Selection 
+                                      This parameter can be a value of @ref RCC_RTC_Clock_Source */
+
+  uint32_t Usart1ClockSelection; /*!< USART1 clock source
+                                      This parameter can be a value of @ref RCC_USART1_Clock_Source */
+
+  uint32_t I2c1ClockSelection;   /*!< I2C1 clock source
+                                      This parameter can be a value of @ref RCC_I2C1_Clock_Source */
+
+}RCC_PeriphCLKInitTypeDef;
+#endif /* STM32F030x6 || STM32F030x8 || STM32F031x6 || STM32F038xx */
+
+#if defined(STM32F042x6) || defined(STM32F048xx)
+typedef struct
+{
+  uint32_t PeriphClockSelection; /*!< The Extended Clock to be configured.
+                                      This parameter can be a value of @ref RCCEx_Periph_Clock_Selection */
+
+  uint32_t RTCClockSelection;    /*!< Specifies RTC Clock Prescalers Selection 
+                                      This parameter can be a value of @ref RCC_RTC_Clock_Source */
+
+  uint32_t Usart1ClockSelection; /*!< USART1 clock source
+                                      This parameter can be a value of @ref RCC_USART1_Clock_Source */
+
+  uint32_t I2c1ClockSelection;   /*!< I2C1 clock source
+                                      This parameter can be a value of @ref RCC_I2C1_Clock_Source */
+
+  uint32_t CecClockSelection;    /*!< HDMI CEC clock source
+                                      This parameter can be a value of @ref RCCEx_CEC_Clock_Source */
+
+  uint32_t UsbClockSelection;    /*!< USB clock source
+                                      This parameter can be a value of @ref RCCEx_USB_Clock_Source */
+
+}RCC_PeriphCLKInitTypeDef;
+#endif /* STM32F042x6 || STM32F048xx */
+
+#if defined(STM32F051x8) || defined(STM32F058xx)
+typedef struct
+{
+  uint32_t PeriphClockSelection; /*!< The Extended Clock to be configured.
+                                      This parameter can be a value of @ref RCCEx_Periph_Clock_Selection */
+
+  uint32_t RTCClockSelection;    /*!< Specifies RTC Clock Prescalers Selection 
+                                      This parameter can be a value of @ref RCC_RTC_Clock_Source */
+
+  uint32_t Usart1ClockSelection; /*!< USART1 clock source
+                                      This parameter can be a value of @ref RCC_USART1_Clock_Source */
+
+  uint32_t I2c1ClockSelection;   /*!< I2C1 clock source
+                                      This parameter can be a value of @ref RCC_I2C1_Clock_Source */
+
+  uint32_t CecClockSelection;    /*!< HDMI CEC clock source
+                                      This parameter can be a value of @ref RCCEx_CEC_Clock_Source */
+
+}RCC_PeriphCLKInitTypeDef;
+#endif /* STM32F051x8 || STM32F058xx */
+
+#if defined(STM32F071xB)
+typedef struct
+{
+  uint32_t PeriphClockSelection; /*!< The Extended Clock to be configured.
+                                      This parameter can be a value of @ref RCCEx_Periph_Clock_Selection */
+
+  uint32_t RTCClockSelection;    /*!< Specifies RTC Clock Prescalers Selection 
+                                      This parameter can be a value of @ref RCC_RTC_Clock_Source */
+
+  uint32_t Usart1ClockSelection; /*!< USART1 clock source
+                                      This parameter can be a value of @ref RCC_USART1_Clock_Source */
+
+  uint32_t Usart2ClockSelection; /*!< USART2 clock source
+                                      This parameter can be a value of @ref RCCEx_USART2_Clock_Source */
+
+  uint32_t I2c1ClockSelection;   /*!< I2C1 clock source
+                                      This parameter can be a value of @ref RCC_I2C1_Clock_Source */
+
+  uint32_t CecClockSelection;    /*!< HDMI CEC clock source
+                                      This parameter can be a value of @ref RCCEx_CEC_Clock_Source */
+
+}RCC_PeriphCLKInitTypeDef;
+#endif /* STM32F071xB */
+
+#if defined(STM32F072xB)
+typedef struct
+{
+  uint32_t PeriphClockSelection; /*!< The Extended Clock to be configured.
+                                      This parameter can be a value of @ref RCCEx_Periph_Clock_Selection */
+
+  uint32_t RTCClockSelection;    /*!< Specifies RTC Clock Prescalers Selection 
+                                      This parameter can be a value of @ref RCC_RTC_Clock_Source */
+
+  uint32_t Usart1ClockSelection; /*!< USART1 clock source
+                                      This parameter can be a value of @ref RCC_USART1_Clock_Source */
+
+  uint32_t Usart2ClockSelection; /*!< USART2 clock source
+                                      This parameter can be a value of @ref RCCEx_USART2_Clock_Source */
+
+  uint32_t I2c1ClockSelection;   /*!< I2C1 clock source
+                                      This parameter can be a value of @ref RCC_I2C1_Clock_Source */
+
+  uint32_t CecClockSelection;    /*!< HDMI CEC clock source
+                                      This parameter can be a value of @ref RCCEx_CEC_Clock_Source */
+
+  uint32_t UsbClockSelection;    /*!< USB clock source
+                                      This parameter can be a value of @ref RCCEx_USB_Clock_Source */
+
+}RCC_PeriphCLKInitTypeDef;
+#endif /* STM32F072xB */
+
+#if defined(STM32F078xx)
+typedef struct
+{
+  uint32_t PeriphClockSelection; /*!< The Extended Clock to be configured.
+                                      This parameter can be a value of @ref RCCEx_Periph_Clock_Selection */
+
+  uint32_t RTCClockSelection;    /*!< Specifies RTC Clock Prescalers Selection 
+                                      This parameter can be a value of @ref RCC_RTC_Clock_Source */
+
+  uint32_t Usart1ClockSelection; /*!< USART1 clock source
+                                      This parameter can be a value of @ref RCC_USART1_Clock_Source */
+
+  uint32_t Usart2ClockSelection; /*!< USART2 clock source
+                                      This parameter can be a value of @ref RCCEx_USART2_Clock_Source */
+
+  uint32_t I2c1ClockSelection;   /*!< I2C1 clock source
+                                      This parameter can be a value of @ref RCC_I2C1_Clock_Source */
+
+  uint32_t CecClockSelection;    /*!< HDMI CEC clock source
+                                      This parameter can be a value of @ref RCCEx_CEC_Clock_Source */
+
+}RCC_PeriphCLKInitTypeDef;
+#endif /* STM32F078xx */
+
+
+#if defined(STM32F042x6) || defined(STM32F048xx) || \
+    defined(STM32F071xB) || defined(STM32F072xB) || defined(STM32F078xx)
+/** 
+  * @brief  RCC CRS Status structures definition  
+  */  
+typedef enum 
+{
+  RCC_CRS_NONE      = 0x00,
+  RCC_CRS_TIMEOUT   = 0x01,
+  RCC_CRS_SYNCOK    = 0x02,
+  RCC_CRS_SYNCWARM  = 0x04,
+  RCC_CRS_SYNCERR   = 0x08,
+  RCC_CRS_SYNCMISS  = 0x10,
+  RCC_CRS_TRIMOV    = 0x20
+} RCC_CRSStatusTypeDef;
+
+/** 
+  * @brief RCC_CRS Init structure definition  
+  */
+typedef struct
+{
+  uint32_t Prescaler;             /*!< Specifies the division factor of the SYNC signal.
+                                     This parameter can be a value of @ref RCCEx_CRS_SynchroDivider */
+
+  uint32_t Source;                /*!< Specifies the SYNC signal source.
+                                     This parameter can be a value of @ref RCCEx_CRS_SynchroSource */
+
+  uint32_t Polarity;              /*!< Specifies the input polarity for the SYNC signal source.
+                                     This parameter can be a value of @ref RCCEx_CRS_SynchroPolarity */
+
+  uint32_t ReloadValue;           /*!< Specifies the value to be loaded in the frequency error counter with each SYNC event.
+                                      It can be calculated in using macro __HAL_RCC_CRS_CALCULATE_RELOADVALUE(_FTARGET_, _FSYNC_)
+                                     This parameter must be a number between 0 and 0xFFFF or a value of @ref RCCEx_CRS_ReloadValueDefault .*/
+
+  uint32_t ErrorLimitValue;       /*!< Specifies the value to be used to evaluate the captured frequency error value.
+                                     This parameter must be a number between 0 and 0xFF or a value of @ref RCCEx_CRS_ErrorLimitDefault */
+
+  uint32_t HSI48CalibrationValue; /*!< Specifies a user-programmable trimming value to the HSI48 oscillator.
+                                     This parameter must be a number between 0 and 0x3F or a value of @ref RCCEx_CRS_HSI48CalibrationDefault */
+   
+}RCC_CRSInitTypeDef;
+
+/** 
+  * @brief RCC_CRS Synchronization structure definition  
+  */
+typedef struct
+{
+  uint32_t ReloadValue;           /*!< Specifies the value loaded in the Counter reload value.
+                                     This parameter must be a number between 0 and 0xFFFF*/
+
+  uint32_t HSI48CalibrationValue; /*!< Specifies value loaded in HSI48 oscillator smooth trimming.
+                                     This parameter must be a number between 0 and 0x3F */
+   
+  uint32_t FreqErrorCapture;      /*!< Specifies the value loaded in the .FECAP, the frequency error counter 
+                                                                    value latched in the time of the last SYNC event.
+                                    This parameter must be a number between 0 and 0xFFFF */
+                                    
+  uint32_t FreqErrorDirection;    /*!< Specifies the value loaded in the .FEDIR, the counting direction of the 
+                                                                    frequency error counter latched in the time of the last SYNC event. 
+                                                                    It shows whether the actual frequency is below or above the target.
+                                    This parameter must be a value of @ref RCCEx_CRS_FreqErrorDirection*/
+
+}RCC_CRSSynchroInfoTypeDef;
+
+#endif /* STM32F042x6 || */
+       /* STM32F071xB || STM32F072xB || STM32F078xx */
+
+/* Exported constants --------------------------------------------------------*/
+/** @defgroup RCCEx_Exported_Constants
+  * @{
+  */
+
+/** @defgroup RCCEx_Periph_Clock_Selection
+  * @{
+  */
+#if defined(STM32F030x6) || defined(STM32F030x8) || defined(STM32F031x6) || defined(STM32F038xx)
+#define RCC_PERIPHCLK_USART1           ((uint32_t)0x00000001)
+#define RCC_PERIPHCLK_I2C1             ((uint32_t)0x00000020)
+#define RCC_PERIPHCLK_RTC              ((uint32_t)0x00010000)
+
+#define IS_RCC_PERIPHCLK(SELECTION) ((SELECTION) <= (RCC_PERIPHCLK_USART1 | RCC_PERIPHCLK_I2C1 | \
+                                                     RCC_PERIPHCLK_RTC))
+#endif /* STM32F030x6 || STM32F030x8 || STM32F031x6 */
+
+#if defined(STM32F051x8) || defined(STM32F058xx)
+#define RCC_PERIPHCLK_USART1           ((uint32_t)0x00000001)
+#define RCC_PERIPHCLK_I2C1             ((uint32_t)0x00000020)
+#define RCC_PERIPHCLK_CEC              ((uint32_t)0x00000400)
+#define RCC_PERIPHCLK_RTC              ((uint32_t)0x00010000)
+
+#define IS_RCC_PERIPHCLK(SELECTION) ((SELECTION) <= (RCC_PERIPHCLK_USART1 | RCC_PERIPHCLK_I2C1   | \
+                                                     RCC_PERIPHCLK_CEC    | RCC_PERIPHCLK_RTC))
+#endif /* STM32F051x8 || STM32F058xx */
+
+#if defined(STM32F071xB)
+#define RCC_PERIPHCLK_USART1           ((uint32_t)0x00000001)
+#define RCC_PERIPHCLK_USART2           ((uint32_t)0x00000002)
+#define RCC_PERIPHCLK_I2C1             ((uint32_t)0x00000020)
+#define RCC_PERIPHCLK_CEC              ((uint32_t)0x00000400)
+#define RCC_PERIPHCLK_RTC              ((uint32_t)0x00010000)
+
+#define IS_RCC_PERIPHCLK(SELECTION) ((SELECTION) <= (RCC_PERIPHCLK_USART1 | RCC_PERIPHCLK_USART2 | \
+                                                     RCC_PERIPHCLK_I2C1   | RCC_PERIPHCLK_CEC    | \
+                                                     RCC_PERIPHCLK_RTC))
+#endif /* STM32F071xB */
+
+#if defined(STM32F042x6) || defined(STM32F048xx)
+#define RCC_PERIPHCLK_USART1           ((uint32_t)0x00000001)
+#define RCC_PERIPHCLK_I2C1             ((uint32_t)0x00000020)
+#define RCC_PERIPHCLK_CEC              ((uint32_t)0x00000400)
+#define RCC_PERIPHCLK_RTC              ((uint32_t)0x00010000)
+#define RCC_PERIPHCLK_USB              ((uint32_t)0x00020000)
+
+#define IS_RCC_PERIPHCLK(SELECTION) ((SELECTION) <= (RCC_PERIPHCLK_USART1 | RCC_PERIPHCLK_I2C1   | \
+                                                     RCC_PERIPHCLK_CEC    | RCC_PERIPHCLK_RTC    | \
+                                                     RCC_PERIPHCLK_USB))
+#endif /* STM32F042x6 || STM32F048xx */
+
+#if defined(STM32F072xB)
+#define RCC_PERIPHCLK_USART1           ((uint32_t)0x00000001)
+#define RCC_PERIPHCLK_USART2           ((uint32_t)0x00000002)
+#define RCC_PERIPHCLK_I2C1             ((uint32_t)0x00000020)
+#define RCC_PERIPHCLK_CEC              ((uint32_t)0x00000400)
+#define RCC_PERIPHCLK_RTC              ((uint32_t)0x00010000)
+#define RCC_PERIPHCLK_USB              ((uint32_t)0x00020000)
+
+#define IS_RCC_PERIPHCLK(SELECTION) ((SELECTION) <= (RCC_PERIPHCLK_USART1 | RCC_PERIPHCLK_USART2 | \
+                                                     RCC_PERIPHCLK_I2C1   | RCC_PERIPHCLK_CEC    | \
+                                                     RCC_PERIPHCLK_RTC    | RCC_PERIPHCLK_USB))
+#endif /* STM32F072xB */
+
+#if defined(STM32F078xx)
+#define RCC_PERIPHCLK_USART1           ((uint32_t)0x00000001)
+#define RCC_PERIPHCLK_USART2           ((uint32_t)0x00000002)
+#define RCC_PERIPHCLK_I2C1             ((uint32_t)0x00000020)
+#define RCC_PERIPHCLK_CEC              ((uint32_t)0x00000400)
+#define RCC_PERIPHCLK_RTC              ((uint32_t)0x00010000)
+
+#define IS_RCC_PERIPHCLK(SELECTION) ((SELECTION) <= (RCC_PERIPHCLK_USART1 | RCC_PERIPHCLK_USART2 | \
+                                                     RCC_PERIPHCLK_I2C1   | RCC_PERIPHCLK_CEC    | \
+                                                     RCC_PERIPHCLK_RTC))
+#endif /* STM32F078xx */
+
+/**
+  * @}
+  */
+
+#if defined(STM32F030x6) || defined(STM32F031x6) || defined(STM32F038xx)
+
+/** @defgroup RCCEx_MCO_Clock_Source
+  * @{
+  */
+#define RCC_MCOSOURCE_PLLCLK_NODIV       (RCC_CFGR_MCO_PLL | RCC_CFGR_PLLNODIV)
+
+#define IS_RCC_MCOSOURCE(SOURCE)  (((SOURCE) == RCC_MCOSOURCE_NONE)         || \
+                                   ((SOURCE) == RCC_MCOSOURCE_LSI)          || \
+                                   ((SOURCE) == RCC_MCOSOURCE_LSE)          || \
+                                   ((SOURCE) == RCC_MCOSOURCE_SYSCLK)       || \
+                                   ((SOURCE) == RCC_MCOSOURCE_HSI)          || \
+                                   ((SOURCE) == RCC_MCOSOURCE_HSE)          || \
+                                   ((SOURCE) == RCC_MCOSOURCE_PLLCLK_NODIV) || \
+                                   ((SOURCE) == RCC_MCOSOURCE_PLLCLK_DIV2)  || \
+                                   ((SOURCE) == RCC_MCOSOURCE_HSI14))
+/**
+  * @}
+  */
+
+#endif /* STM32F030x6 || STM32F031x6 || STM32F038xx */
+
+#if defined(STM32F030x8) || defined(STM32F051x8) || defined(STM32F058xx)
+
+/** @defgroup RCCEx_MCO_Clock_Source
+  * @{
+  */
+#define IS_RCC_MCOSOURCE(SOURCE)  (((SOURCE) == RCC_MCOSOURCE_NONE)         || \
+                                   ((SOURCE) == RCC_MCOSOURCE_LSI)          || \
+                                   ((SOURCE) == RCC_MCOSOURCE_LSE)          || \
+                                   ((SOURCE) == RCC_MCOSOURCE_SYSCLK)       || \
+                                   ((SOURCE) == RCC_MCOSOURCE_HSI)          || \
+                                   ((SOURCE) == RCC_MCOSOURCE_HSE)          || \
+                                   ((SOURCE) == RCC_MCOSOURCE_PLLCLK_DIV2)  || \
+                                   ((SOURCE) == RCC_MCOSOURCE_HSI14))
+/**
+  * @}
+  */
+
+#endif /* STM32F030x8 || STM32F051x8 || STM32F058xx */
+
+#if defined(STM32F042x6) || defined(STM32F048xx) || \
+    defined(STM32F071xB) || defined(STM32F072xB) || defined(STM32F078xx)
+/** @defgroup RCCEx_MCO_Clock_Source
+  * @{
+  */
+#define RCC_MCOSOURCE_HSI48              RCC_CFGR_MCO_HSI48
+#define RCC_MCOSOURCE_PLLCLK_NODIV       (RCC_CFGR_MCO_PLL | RCC_CFGR_PLLNODIV)
+
+#define IS_RCC_MCOSOURCE(SOURCE)  (((SOURCE) == RCC_MCOSOURCE_NONE)         || \
+                                   ((SOURCE) == RCC_MCOSOURCE_LSI)          || \
+                                   ((SOURCE) == RCC_MCOSOURCE_LSE)          || \
+                                   ((SOURCE) == RCC_MCOSOURCE_SYSCLK)       || \
+                                   ((SOURCE) == RCC_MCOSOURCE_HSI)          || \
+                                   ((SOURCE) == RCC_MCOSOURCE_HSE)          || \
+                                   ((SOURCE) == RCC_MCOSOURCE_PLLCLK_NODIV) || \
+                                   ((SOURCE) == RCC_MCOSOURCE_PLLCLK_DIV2)  || \
+                                   ((SOURCE) == RCC_MCOSOURCE_HSI14)        || \
+                                   ((SOURCE) == RCC_MCOSOURCE_HSI48))
+/**
+  * @}
+  */
+
+/** @defgroup RCCEx_Interrupt
+  * @{
+  */
+#define RCC_IT_HSI48                     ((uint8_t)0x40)
+/**
+  * @}
+  */
+
+/* Flags in the CR2 register */
+#define RCC_CR2_HSI48RDY_BitNumber       16
+
+#define RCC_FLAG_HSI48RDY                ((uint8_t)((CR2_REG_INDEX << 5) | RCC_CR2_HSI48RDY_BitNumber))
+
+#endif /* STM32F042x6 || */
+       /* STM32F071xB || STM32F072xB || STM32F078xx */
+
+#if defined(STM32F042x6) || defined(STM32F048xx) || defined(STM32F072xB)
+
+/** @defgroup RCCEx_USB_Clock_Source
+  * @{
+  */
+#define RCC_USBCLKSOURCE_HSI48           RCC_CFGR3_USBSW_HSI48
+#define RCC_USBCLKSOURCE_PLLCLK          RCC_CFGR3_USBSW_PLLCLK
+
+#define IS_RCC_USBCLKSOURCE(SOURCE)  (((SOURCE) == RCC_USBCLKSOURCE_HSI48) || \
+                                      ((SOURCE) == RCC_USBCLKSOURCE_PLLCLK))
+/**
+  * @}
+  */
+
+#endif /* STM32F042x6 || STM32F072xB */
+
+#if defined(STM32F071xB) || defined(STM32F072xB) || defined(STM32F078xx)
+
+/** @defgroup RCCEx_USART2_Clock_Source
+  * @{
+  */
+#define RCC_USART2CLKSOURCE_PCLK1        RCC_CFGR3_USART2SW_PCLK
+#define RCC_USART2CLKSOURCE_SYSCLK       RCC_CFGR3_USART2SW_SYSCLK
+#define RCC_USART2CLKSOURCE_LSE          RCC_CFGR3_USART2SW_LSE
+#define RCC_USART2CLKSOURCE_HSI          RCC_CFGR3_USART2SW_HSI
+
+#define IS_RCC_USART2CLKSOURCE(SOURCE)  (((SOURCE) == RCC_USART2CLKSOURCE_PCLK1)  || \
+                                         ((SOURCE) == RCC_USART2CLKSOURCE_SYSCLK) || \
+                                         ((SOURCE) == RCC_USART2CLKSOURCE_LSE)    || \
+                                         ((SOURCE) == RCC_USART2CLKSOURCE_HSI))
+/**
+  * @}
+  */
+
+#endif /* STM32F071xB || STM32F072xB || STM32F078xx */
+
+#if defined(STM32F042x6) || defined(STM32F048xx) ||                         \
+    defined(STM32F051x8) || defined(STM32F058xx) ||                         \
+    defined(STM32F071xB) || defined(STM32F072xB) || defined(STM32F078xx)
+
+/** @defgroup RCCEx_CEC_Clock_Source
+  * @{
+  */
+#define RCC_CECCLKSOURCE_HSI             RCC_CFGR3_CECSW_HSI_DIV244
+#define RCC_CECCLKSOURCE_LSE             RCC_CFGR3_CECSW_LSE
+
+#define IS_RCC_CECCLKSOURCE(SOURCE)  (((SOURCE) == RCC_CECCLKSOURCE_HSI) || \
+                                      ((SOURCE) == RCC_CECCLKSOURCE_LSE))
+/**
+  * @}
+  */
+
+#endif /* STM32F042x6 ||                               */
+       /* STM32F051x8 || STM32F058xx ||                */
+       /* STM32F071xB || STM32F072xB || STM32F078xx    */
+
+#if defined(STM32F042x6) || defined(STM32F048xx) || \
+    defined(STM32F071xB) || defined(STM32F072xB) || defined(STM32F078xx)
+/** @addtogroup RCC_PLL_Clock_Source
+  * @{
+  */
+#define RCC_PLLSOURCE_HSI                RCC_CFGR_PLLSRC_HSI_PREDIV
+#define RCC_PLLSOURCE_HSI48              RCC_CFGR_PLLSRC_HSI48_PREDIV
+
+#define IS_RCC_PLLSOURCE(SOURCE) (((SOURCE) == RCC_PLLSOURCE_HSI)   || \
+                                  ((SOURCE) == RCC_PLLSOURCE_HSI48) || \
+                                  ((SOURCE) == RCC_PLLSOURCE_HSE))
+/**
+  * @}
+  */
+
+/** @addtogroup RCC_System_Clock_Source
+  * @{
+  */
+#define RCC_SYSCLKSOURCE_HSI48           RCC_CFGR_SW_HSI48
+
+#define IS_RCC_SYSCLKSOURCE(SOURCE)  (((SOURCE) == RCC_SYSCLKSOURCE_HSI)    || \
+                                      ((SOURCE) == RCC_SYSCLKSOURCE_HSE)    || \
+                                      ((SOURCE) == RCC_SYSCLKSOURCE_PLLCLK) || \
+                                      ((SOURCE) == RCC_SYSCLKSOURCE_HSI48))
+/**
+  * @}
+  */
+
+/** @addtogroup RCC_System_Clock_Source_Status
+  * @{
+  */
+#define RCC_SYSCLKSOURCE_STATUS_HSI48    RCC_CFGR_SWS_HSI48
+
+#define IS_RCC_SYSCLKSOURCE_STATUS(SOURCE) (((SOURCE) == RCC_SYSCLKSOURCE_STATUS_HSI)    || \
+                                            ((SOURCE) == RCC_SYSCLKSOURCE_STATUS_HSE)    || \
+                                            ((SOURCE) == RCC_SYSCLKSOURCE_STATUS_PLLCLK) || \
+                                            ((SOURCE) == RCC_SYSCLKSOURCE_STATUS_HSI48))
+/**
+  * @}
+  */
+
+/** @defgroup RCCEx_HSI48_Config
+  * @{
+  */
+#define RCC_HSI48_OFF                    ((uint8_t)0x00)
+#define RCC_HSI48_ON                     ((uint8_t)0x01)
+
+#define IS_RCC_HSI48(HSI48) (((HSI48) == RCC_HSI48_OFF) || ((HSI48) == RCC_HSI48_ON))
+/**
+  * @}
+  */
+
+#else
+/** @addtogroup RCC_PLL_Clock_Source
+  * @{
+  */
+#define RCC_PLLSOURCE_HSI                RCC_CFGR_PLLSRC_HSI_DIV2
+ /**
+  * @}
+  */
+
+/** @addtogroup RCC_PLL_Clock_Source
+  * @{
+  */
+#define IS_RCC_PLLSOURCE(SOURCE) (((SOURCE) == RCC_PLLSOURCE_HSI)   || \
+                                  ((SOURCE) == RCC_PLLSOURCE_HSE))
+/**
+  * @}
+  */
+/** @addtogroup RCC_System_Clock_Source
+  * @{
+  */
+#define IS_RCC_SYSCLKSOURCE(SOURCE)  (((SOURCE) == RCC_SYSCLKSOURCE_HSI)    || \
+                                      ((SOURCE) == RCC_SYSCLKSOURCE_HSE)    || \
+                                      ((SOURCE) == RCC_SYSCLKSOURCE_PLLCLK))
+/**
+  * @}
+  */
+
+/** @addtogroup RCC_System_Clock_Source_Status
+  * @{
+  */
+#define IS_RCC_SYSCLKSOURCE_STATUS(SOURCE) (((SOURCE) == RCC_SYSCLKSOURCE_STATUS_HSI)    || \
+                                            ((SOURCE) == RCC_SYSCLKSOURCE_STATUS_HSE)    || \
+                                            ((SOURCE) == RCC_SYSCLKSOURCE_STATUS_PLLCLK))
+/**
+  * @}
+  */
+
+/** @defgroup RCCEx_HSI48_Config
+  * @{
+  */
+#define RCC_HSI48_OFF                    ((uint8_t)0x00)
+
+#define IS_RCC_HSI48(HSI48) (((HSI48) == RCC_HSI48_OFF))
+/**
+  * @}
+  */
+
+#endif /* STM32F042x6 || */
+       /* STM32F071xB || STM32F072xB || STM32F078xx */
+
+
+#if defined(STM32F030x8) || defined(STM32F051x8) || defined(STM32F058xx)
+
+/** @defgroup RCCEx_MCOx_Clock_Prescaler
+  * @{
+  */
+#define RCC_MCO_NODIV                    ((uint32_t)0x00000000)
+
+#define IS_RCC_MCODIV(DIV) (((DIV) == RCC_MCO_NODIV))
+/**
+  * @}
+  */
+
+#endif /* STM32F030x8 || STM32F051x8 || STM32F058xx */
+
+#if defined(STM32F030x6) || defined(STM32F031x6) || defined(STM32F038xx) || \
+    defined(STM32F042x6) || defined(STM32F048xx) || defined(STM32F071xB) || \
+    defined(STM32F072xB) || defined(STM32F078xx)
+
+/** @defgroup RCCEx_MCOx_Clock_Prescaler
+  * @{
+  */
+#define RCC_MCO_DIV1                     ((uint32_t)0x00000000)
+#define RCC_MCO_DIV2                     ((uint32_t)0x10000000)
+#define RCC_MCO_DIV4                     ((uint32_t)0x20000000)
+#define RCC_MCO_DIV8                     ((uint32_t)0x30000000)
+#define RCC_MCO_DIV16                    ((uint32_t)0x40000000)
+#define RCC_MCO_DIV32                    ((uint32_t)0x50000000)
+#define RCC_MCO_DIV64                    ((uint32_t)0x60000000)
+#define RCC_MCO_DIV128                   ((uint32_t)0x70000000)
+
+#define IS_RCC_MCODIV(DIV) (((DIV) == RCC_MCO_DIV1)  || ((DIV) == RCC_MCO_DIV2)   || \
+                            ((DIV) == RCC_MCO_DIV4)  || ((DIV) == RCC_MCO_DIV8)   || \
+                            ((DIV) == RCC_MCO_DIV16) || ((DIV) == RCC_MCO_DIV32)  || \
+                            ((DIV) == RCC_MCO_DIV64) || ((DIV) == RCC_MCO_DIV128))
+/**
+  * @}
+  */
+
+#endif /* STM32F030x6 || STM32F031x6 || STM32F038xx || STM32F042x6 || STM32F048xx || */
+       /* STM32F071xB || STM32F072xB || STM32F078xx */
+
+#if defined(STM32F042x6) || defined(STM32F048xx) || \
+    defined(STM32F071xB) || defined(STM32F072xB) || defined(STM32F078xx)
+/** @defgroup RCCEx_CRS_SynchroSource
+  * @{
+  */
+#define RCC_CRS_SYNC_SOURCE_GPIO       ((uint32_t)0x00)        /*!< Synchro Signal soucre GPIO */
+#define RCC_CRS_SYNC_SOURCE_LSE        CRS_CFGR_SYNCSRC_0      /*!< Synchro Signal source LSE */
+#define RCC_CRS_SYNC_SOURCE_USB        CRS_CFGR_SYNCSRC_1      /*!< Synchro Signal source USB SOF (default)*/
+  
+#define IS_RCC_CRS_SYNC_SOURCE(_SOURCE_) (((_SOURCE_) == RCC_CRS_SYNC_SOURCE_GPIO) || \
+                                      ((_SOURCE_) == RCC_CRS_SYNC_SOURCE_LSE) ||\
+                                      ((_SOURCE_) == RCC_CRS_SYNC_SOURCE_USB))
+/**
+  * @}
+  */
+
+/** @defgroup RCCEx_CRS_SynchroDivider
+  * @{
+  */
+#define RCC_CRS_SYNC_DIV1        ((uint32_t)0x00)                          /*!< Synchro Signal not divided (default) */
+#define RCC_CRS_SYNC_DIV2        CRS_CFGR_SYNCDIV_0                        /*!< Synchro Signal divided by 2 */
+#define RCC_CRS_SYNC_DIV4        CRS_CFGR_SYNCDIV_1                        /*!< Synchro Signal divided by 4 */
+#define RCC_CRS_SYNC_DIV8        (CRS_CFGR_SYNCDIV_1 | CRS_CFGR_SYNCDIV_0) /*!< Synchro Signal divided by 8 */
+#define RCC_CRS_SYNC_DIV16       CRS_CFGR_SYNCDIV_2                        /*!< Synchro Signal divided by 16 */
+#define RCC_CRS_SYNC_DIV32       (CRS_CFGR_SYNCDIV_2 | CRS_CFGR_SYNCDIV_0) /*!< Synchro Signal divided by 32 */
+#define RCC_CRS_SYNC_DIV64       (CRS_CFGR_SYNCDIV_2 | CRS_CFGR_SYNCDIV_1) /*!< Synchro Signal divided by 64 */
+#define RCC_CRS_SYNC_DIV128      CRS_CFGR_SYNCDIV                          /*!< Synchro Signal divided by 128 */
+  
+#define IS_RCC_CRS_SYNC_DIV(_DIV_) (((_DIV_) == RCC_CRS_SYNC_DIV1) || ((_DIV_) == RCC_CRS_SYNC_DIV2)   ||\
+                                ((_DIV_) == RCC_CRS_SYNC_DIV4) || ((_DIV_) == RCC_CRS_SYNC_DIV8)   || \
+                                ((_DIV_) == RCC_CRS_SYNC_DIV16) || ((_DIV_) == RCC_CRS_SYNC_DIV32) || \
+                                ((_DIV_) == RCC_CRS_SYNC_DIV64) || ((_DIV_) == RCC_CRS_SYNC_DIV128))
+/**
+  * @}
+  */
+
+/** @defgroup RCCEx_CRS_SynchroPolarity
+  * @{
+  */
+#define RCC_CRS_SYNC_POLARITY_RISING        ((uint32_t)0x00)      /*!< Synchro Active on rising edge (default) */
+#define RCC_CRS_SYNC_POLARITY_FALLING       CRS_CFGR_SYNCPOL      /*!< Synchro Active on falling edge */
+  
+#define IS_RCC_CRS_SYNC_POLARITY(_POLARITY_) (((_POLARITY_) == RCC_CRS_SYNC_POLARITY_RISING) || \
+                                      ((_POLARITY_) == RCC_CRS_SYNC_POLARITY_FALLING))
+/**
+  * @}
+  */
+  
+/** @defgroup RCCEx_CRS_ReloadValueDefault
+  * @{
+  */
+#define RCC_CRS_RELOADVALUE_DEFAULT         ((uint32_t)0xBB7F)      /*!< The reset value of the RELOAD field corresponds 
+                                                              to a target frequency of 48 MHz and a synchronization signal frequency of 1 kHz (SOF signal from USB). */
+    
+#define IS_RCC_CRS_RELOADVALUE(_VALUE_) (((_VALUE_) <= 0xFFFF))
+/**
+  * @}
+  */
+  
+/** @defgroup RCCEx_CRS_ErrorLimitDefault
+  * @{
+  */
+#define RCC_CRS_ERRORLIMIT_DEFAULT          ((uint32_t)0x22)      /*!< Default Frequency error limit */
+    
+#define IS_RCC_CRS_ERRORLIMIT(_VALUE_) (((_VALUE_) <= 0xFF))
+/**
+  * @}
+  */
+
+/** @defgroup RCCEx_CRS_HSI48CalibrationDefault
+  * @{
+  */
+#define RCC_CRS_HSI48CALIBRATION_DEFAULT    ((uint32_t)0x20)      /*!< The default value is 32, which corresponds to the middle of the trimming interval. 
+                                                                The trimming step is around 67 kHz between two consecutive TRIM steps. A higher TRIM value
+                                                                corresponds to a higher output frequency */
+    
+#define IS_RCC_CRS_HSI48CALIBRATION(_VALUE_) (((_VALUE_) <= 0x3F))
+/**
+  * @}
+  */
+
+/** @defgroup RCCEx_CRS_FreqErrorDirection
+  * @{
+  */
+#define RCC_CRS_FREQERRORDIR_UP             ((uint32_t)0x00)          /*!< Upcounting direction, the actual frequency is above the target */
+#define RCC_CRS_FREQERRORDIR_DOWN           ((uint32_t)CRS_ISR_FEDIR) /*!< Downcounting direction, the actual frequency is below the target */
+    
+#define IS_RCC_CRS_FREQERRORDIR(_DIR_) (((_DIR_) == RCC_CRS_FREQERRORDIR_UP) || \
+                                      ((_DIR_) == RCC_CRS_FREQERRORDIR_DOWN))
+/**
+  * @}
+  */
+
+/** @defgroup RCCEx_CRS_Interrupt_Sources
+  * @{
+  */
+#define RCC_CRS_IT_SYNCOK             CRS_ISR_SYNCOKF    /*!< SYNC event OK */
+#define RCC_CRS_IT_SYNCWARN           CRS_ISR_SYNCWARNF  /*!< SYNC warning */
+#define RCC_CRS_IT_ERR                CRS_ISR_ERRF       /*!< error */
+#define RCC_CRS_IT_ESYNC              CRS_ISR_ESYNCF     /*!< Expected SYNC */
+#define RCC_CRS_IT_TRIMOVF            CRS_ISR_TRIMOVF    /*!< Trimming overflow or underflow */
+#define RCC_CRS_IT_SYNCERR            CRS_ISR_SYNCERR    /*!< SYNC error */
+#define RCC_CRS_IT_SYNCMISS           CRS_ISR_SYNCMISS    /*!< SYNC missed*/
+
+/**
+  * @}
+  */
+  
+/** @defgroup RCCEx_CRS_Flags
+  * @{
+  */
+#define RCC_CRS_FLAG_SYNCOK             CRS_ISR_SYNCOKF     /* SYNC event OK flag     */
+#define RCC_CRS_FLAG_SYNCWARN           CRS_ISR_SYNCWARNF   /* SYNC warning flag      */
+#define RCC_CRS_FLAG_ERR                CRS_ISR_ERRF        /* Error flag        */
+#define RCC_CRS_FLAG_ESYNC              CRS_ISR_ESYNCF      /* Expected SYNC flag     */
+#define RCC_CRS_FLAG_TRIMOVF            CRS_ISR_TRIMOVF     /*!< Trimming overflow or underflow */
+#define RCC_CRS_FLAG_SYNCERR            CRS_ISR_SYNCERR     /*!< SYNC error */
+#define RCC_CRS_FLAG_SYNCMISS           CRS_ISR_SYNCMISS    /*!< SYNC missed*/
+
+/**
+  * @}
+  */
+
+#endif /* STM32F042x6 || */
+       /* STM32F071xB || STM32F072xB || STM32F078xx */
+
+/**
+  * @}
+  */
+
+/* Exported macros -----------------------------------------------------------*/
+/** @defgroup RCCEx_Exported_Macros
+  * @{
+  */
+
+/** @brief  Enable or disable the AHB 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.
+  */
+#if defined(STM32F030x6) || defined(STM32F030x8) ||                         \
+    defined(STM32F051x8) || defined(STM32F058xx) ||                         \
+    defined(STM32F071xB) || defined(STM32F072xB) || defined(STM32F078xx)
+
+#define __GPIOD_CLK_ENABLE()         (RCC->AHBENR |= (RCC_AHBENR_GPIODEN))
+
+#define __GPIOD_CLK_DISABLE()        (RCC->AHBENR &= ~(RCC_AHBENR_GPIODEN))
+
+#endif /* STM32F030x6 || STM32F030x8 ||                */
+       /* STM32F051x8 || STM32F058xx ||                */
+       /* STM32F071xB || STM32F072xB || STM32F078xx    */
+
+#if defined(STM32F071xB) || defined(STM32F072xB) || defined(STM32F078xx)
+
+#define __GPIOE_CLK_ENABLE()         (RCC->AHBENR |= (RCC_AHBENR_GPIOEEN))
+
+#define __GPIOE_CLK_DISABLE()        (RCC->AHBENR &= ~(RCC_AHBENR_GPIOEEN))
+
+#endif /* STM32F071xB || STM32F072xB || STM32F078xx */
+
+#if defined(STM32F042x6) || defined(STM32F048xx) ||                                                 \
+    defined(STM32F051x8) || defined(STM32F058xx) ||                         \
+    defined(STM32F071xB) || defined(STM32F072xB) || defined(STM32F078xx)
+      
+#define __TSC_CLK_ENABLE()           (RCC->AHBENR |= (RCC_AHBENR_TSCEN))
+
+#define __TSC_CLK_DISABLE()          (RCC->AHBENR &= ~(RCC_AHBENR_TSCEN))
+
+#endif /* STM32F042x6 ||                               */
+       /* STM32F051x8 || STM32F058xx ||                */
+       /* STM32F071xB || STM32F072xB || STM32F078xx    */
+
+/** @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.
+  */
+#if defined(STM32F030x8) ||                                                 \
+    defined(STM32F042x6) || defined(STM32F048xx) ||                                                 \
+    defined(STM32F051x8) || defined(STM32F058xx) ||                         \
+    defined(STM32F071xB) || defined(STM32F072xB) || defined(STM32F078xx)
+
+#define __USART2_CLK_ENABLE()  (RCC->APB1ENR |= (RCC_APB1ENR_USART2EN))
+#define __SPI2_CLK_ENABLE()    (RCC->APB1ENR |= (RCC_APB1ENR_SPI2EN))
+
+#define __USART2_CLK_DISABLE() (RCC->APB1ENR &= ~(RCC_APB1ENR_USART2EN))
+#define __SPI2_CLK_DISABLE()   (RCC->APB1ENR &= ~(RCC_APB1ENR_SPI2EN))
+
+#endif /* STM32F030x8 || STM32F042x6 || STM32F048xx ||                */
+       /* STM32F051x8 || STM32F058xx ||                */
+       /* STM32F071xB || STM32F072xB || STM32F078xx    */
+
+#if defined(STM32F031x6) || defined(STM32F038xx) ||                         \
+    defined(STM32F042x6) || defined(STM32F048xx) ||                                                 \
+    defined(STM32F051x8) || defined(STM32F058xx) ||                         \
+    defined(STM32F071xB) || defined(STM32F072xB) || defined(STM32F078xx)
+
+#define __TIM2_CLK_ENABLE()    (RCC->APB1ENR |= (RCC_APB1ENR_TIM2EN))
+
+#define __TIM2_CLK_DISABLE()   (RCC->APB1ENR &= ~(RCC_APB1ENR_TIM2EN))
+
+#endif /* STM32F031x6 || STM32F038xx || STM32F042x6 || STM32F048xx || STM32F051x8 || STM32F058xx || */
+       /* STM32F071xB || STM32F072xB || STM32F078xx */
+
+#if defined(STM32F030x8) ||                                                 \
+    defined(STM32F051x8) || defined(STM32F058xx) ||                         \
+    defined(STM32F071xB) || defined(STM32F072xB) || defined(STM32F078xx)
+
+#define __TIM6_CLK_ENABLE()    (RCC->APB1ENR |= (RCC_APB1ENR_TIM6EN))
+#define __I2C2_CLK_ENABLE()    (RCC->APB1ENR |= (RCC_APB1ENR_I2C2EN))
+
+#define __TIM6_CLK_DISABLE()   (RCC->APB1ENR &= ~(RCC_APB1ENR_TIM6EN))
+#define __I2C2_CLK_DISABLE()   (RCC->APB1ENR &= ~(RCC_APB1ENR_I2C2EN))
+
+#endif /* STM32F030x8 ||                               */
+       /* STM32F051x8 || STM32F058xx ||                */
+       /* STM32F071xB || STM32F072xB || STM32F078xx    */
+
+#if defined(STM32F051x8) || defined(STM32F058xx) ||                         \
+    defined(STM32F071xB) || defined(STM32F072xB) || defined(STM32F078xx)
+
+#define __DAC1_CLK_ENABLE()    (RCC->APB1ENR |= (RCC_APB1ENR_DACEN))
+
+#define __DAC1_CLK_DISABLE()   (RCC->APB1ENR &= ~(RCC_APB1ENR_DACEN))
+
+#endif /* STM32F051x8 || STM32F058xx ||                */
+       /* STM32F071xB || STM32F072xB || STM32F078xx    */
+
+#if defined(STM32F042x6) || defined(STM32F048xx) ||                                                 \
+    defined(STM32F051x8) || defined(STM32F058xx) ||                         \
+    defined(STM32F071xB) || defined(STM32F072xB) || defined(STM32F078xx)
+
+#define __CEC_CLK_ENABLE()     (RCC->APB1ENR |= (RCC_APB1ENR_CECEN))
+
+#define __CEC_CLK_DISABLE()    (RCC->APB1ENR &= ~(RCC_APB1ENR_CECEN))
+
+#endif /* STM32F042x6 ||                               */
+       /* STM32F051x8 || STM32F058xx ||                */
+       /* STM32F071xB || STM32F072xB || STM32F078xx    */
+
+#if defined(STM32F071xB) || defined(STM32F072xB) || defined(STM32F078xx)
+
+#define __TIM7_CLK_ENABLE()    (RCC->APB1ENR |= (RCC_APB1ENR_TIM7EN))
+#define __USART3_CLK_ENABLE()  (RCC->APB1ENR |= (RCC_APB1ENR_USART3EN))
+#define __USART4_CLK_ENABLE()  (RCC->APB1ENR |= (RCC_APB1ENR_USART4EN))
+
+#define __TIM7_CLK_DISABLE()   (RCC->APB1ENR &= ~(RCC_APB1ENR_TIM7EN))
+#define __USART3_CLK_DISABLE() (RCC->APB1ENR &= ~(RCC_APB1ENR_USART3EN))
+#define __USART4_CLK_DISABLE() (RCC->APB1ENR &= ~(RCC_APB1ENR_USART4EN))
+
+#endif /* STM32F071xB || STM32F072xB || STM32F078xx */
+
+#if defined(STM32F042x6) || defined(STM32F048xx) || defined(STM32F072xB)
+
+#define __USB_CLK_ENABLE()     (RCC->APB1ENR |= (RCC_APB1ENR_USBEN))
+
+#define __USB_CLK_DISABLE()    (RCC->APB1ENR &= ~(RCC_APB1ENR_USBEN))
+
+#endif /* STM32F042x6 || STM32F072xB */
+
+#if defined(STM32F042x6) || defined(STM32F048xx) || defined(STM32F072xB)
+
+#define __CAN_CLK_ENABLE()     (RCC->APB1ENR |= (RCC_APB1ENR_CANEN))
+#define __CAN_CLK_DISABLE()    (RCC->APB1ENR &= ~(RCC_APB1ENR_CANEN))
+
+#endif /* STM32F042x6 || STM32F072xB */
+
+#if defined(STM32F042x6) || defined(STM32F048xx) ||                                                 \
+    defined(STM32F071xB) || defined(STM32F072xB) || defined(STM32F078xx)
+
+#define __CRS_CLK_ENABLE()     (RCC->APB1ENR |= (RCC_APB1ENR_CRSEN))
+
+#define __CRS_CLK_DISABLE()    (RCC->APB1ENR &= ~(RCC_APB1ENR_CRSEN))
+
+#endif /* STM32F042x6 ||                            */
+       /* STM32F071xB || STM32F072xB || STM32F078xx */
+
+/** @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.
+  */
+#if defined(STM32F030x8) || defined(STM32F042x6) || defined(STM32F048xx) ||                         \
+    defined(STM32F051x8) || defined(STM32F058xx) ||                         \
+    defined(STM32F071xB) || defined(STM32F072xB) || defined(STM32F078xx)
+
+#define __TIM15_CLK_ENABLE()    (RCC->APB2ENR |= (RCC_APB2ENR_TIM15EN))
+
+#define __TIM15_CLK_DISABLE()   (RCC->APB2ENR &= ~(RCC_APB2ENR_TIM15EN))
+
+#endif /* STM32F030x8 || STM32F042x6 || STM32F048xx ||                */
+       /* STM32F051x8 || STM32F058xx ||                */
+       /* STM32F071xB || STM32F072xB || STM32F078xx    */
+
+/** @brief  Force or release AHB peripheral reset.
+  */
+#if defined(STM32F030x6) || defined(STM32F030x8) ||                         \
+    defined(STM32F051x8) || defined(STM32F058xx) ||                         \
+    defined(STM32F071xB) || defined(STM32F072xB) || defined(STM32F078xx)
+
+#define __GPIOD_FORCE_RESET()   (RCC->AHBRSTR |= (RCC_AHBRSTR_GPIODRST))
+
+#define __GPIOD_RELEASE_RESET() (RCC->AHBRSTR &= ~(RCC_AHBRSTR_GPIODRST))
+
+#endif /* STM32F030x6 || STM32F030x8 ||                */
+       /* STM32F051x8 || STM32F058xx ||                */
+       /* STM32F071xB || STM32F072xB || STM32F078xx    */
+
+#if defined(STM32F071xB) || defined(STM32F072xB) || defined(STM32F078xx)
+
+#define __GPIOE_FORCE_RESET()   (RCC->AHBRSTR |= (RCC_AHBRSTR_GPIOERST))
+
+#define __GPIOE_RELEASE_RESET() (RCC->AHBRSTR &= ~(RCC_AHBRSTR_GPIOERST))
+
+#endif /* STM32F071xB || STM32F072xB || STM32F078xx */
+
+#if defined(STM32F042x6) || defined(STM32F048xx) ||                                                 \
+    defined(STM32F051x8) || defined(STM32F058xx) ||                         \
+    defined(STM32F071xB) || defined(STM32F072xB) || defined(STM32F078xx)
+      
+#define __TSC_FORCE_RESET()     (RCC->AHBRSTR |= (RCC_AHBRSTR_TSCRST))
+
+#define __TSC_RELEASE_RESET()   (RCC->AHBRSTR &= ~(RCC_AHBRSTR_TSCRST))
+
+#endif /* STM32F042x6 ||                               */
+       /* STM32F051x8 || STM32F058xx ||                */
+       /* STM32F071xB || STM32F072xB || STM32F078xx    */
+
+/** @brief  Force or release APB1 peripheral reset.
+  */
+#if defined(STM32F030x8) ||                                                 \
+    defined(STM32F042x6) || defined(STM32F048xx) ||                                                 \
+    defined(STM32F051x8) || defined(STM32F058xx) ||                         \
+    defined(STM32F071xB) || defined(STM32F072xB) || defined(STM32F078xx)
+
+#define __USART2_FORCE_RESET()   (RCC->APB1RSTR |= (RCC_APB1RSTR_USART2RST))
+#define __SPI2_FORCE_RESET()     (RCC->APB1RSTR |= (RCC_APB1RSTR_SPI2RST))
+
+#define __USART2_RELEASE_RESET() (RCC->APB1RSTR &= ~(RCC_APB1RSTR_USART2RST))
+#define __SPI2_RELEASE_RESET()   (RCC->APB1RSTR &= ~(RCC_APB1RSTR_SPI2RST))
+
+#endif /* STM32F030x8 || STM32F042x6 || STM32F048xx ||                */
+       /* STM32F051x8 || STM32F058xx ||                */
+       /* STM32F071xB || STM32F072xB || STM32F078xx    */
+
+#if defined(STM32F031x6) || defined(STM32F038xx) ||                         \
+    defined(STM32F042x6) || defined(STM32F048xx) ||                                                 \
+    defined(STM32F051x8) || defined(STM32F058xx) ||                         \
+    defined(STM32F071xB) || defined(STM32F072xB) || defined(STM32F078xx)
+
+#define __TIM2_FORCE_RESET()     (RCC->APB1RSTR |= (RCC_APB1RSTR_TIM2RST))
+
+#define __TIM2_RELEASE_RESET()   (RCC->APB1RSTR &= ~(RCC_APB1RSTR_TIM2RST))
+
+#endif /* STM32F031x6 || STM32F038xx || STM32F042x6 || STM32F048xx || STM32F051x8 || STM32F058xx || */
+       /* STM32F071xB || STM32F072xB || STM32F078xx */
+
+#if defined(STM32F030x8) ||                                                 \
+    defined(STM32F051x8) || defined(STM32F058xx) ||                         \
+    defined(STM32F071xB) || defined(STM32F072xB) || defined(STM32F078xx)
+
+#define __TIM6_FORCE_RESET()     (RCC->APB1RSTR |= (RCC_APB1RSTR_TIM6RST))
+#define __I2C2_FORCE_RESET()     (RCC->APB1RSTR |= (RCC_APB1RSTR_I2C2RST))
+
+#define __TIM6_RELEASE_RESET()   (RCC->APB1RSTR &= ~(RCC_APB1RSTR_TIM6RST))
+#define __I2C2_RELEASE_RESET()   (RCC->APB1RSTR &= ~(RCC_APB1RSTR_I2C2RST))
+
+#endif /* STM32F030x8 ||                               */
+       /* STM32F051x8 || STM32F058xx ||                */
+       /* STM32F071xB || STM32F072xB || STM32F078xx    */
+
+#if defined(STM32F051x8) || defined(STM32F058xx) ||                         \
+    defined(STM32F071xB) || defined(STM32F072xB) || defined(STM32F078xx)
+
+#define __DAC1_FORCE_RESET()     (RCC->APB1RSTR |= (RCC_APB1RSTR_DACRST))
+
+#define __DAC1_RELEASE_RESET()   (RCC->APB1RSTR &= ~(RCC_APB1RSTR_DACRST))
+
+#endif /* STM32F051x8 || STM32F058xx ||                */
+       /* STM32F071xB || STM32F072xB || STM32F078xx    */
+
+#if defined(STM32F042x6) || defined(STM32F048xx) ||                                                 \
+    defined(STM32F051x8) || defined(STM32F058xx) ||                         \
+    defined(STM32F071xB) || defined(STM32F072xB) || defined(STM32F078xx)
+
+#define __CEC_FORCE_RESET()      (RCC->APB1RSTR |= (RCC_APB1RSTR_CECRST))
+
+#define __CEC_RELEASE_RESET()    (RCC->APB1RSTR &= ~(RCC_APB1RSTR_CECRST))
+
+#endif /* STM32F042x6 ||                               */
+       /* STM32F051x8 || STM32F058xx ||                */
+       /* STM32F071xB || STM32F072xB || STM32F078xx    */
+
+#if defined(STM32F071xB) || defined(STM32F072xB) || defined(STM32F078xx)
+
+#define __TIM7_FORCE_RESET()     (RCC->APB1RSTR |= (RCC_APB1RSTR_TIM7RST))
+#define __USART3_FORCE_RESET()   (RCC->APB1RSTR |= (RCC_APB1RSTR_USART3RST))
+#define __USART4_FORCE_RESET()   (RCC->APB1RSTR |= (RCC_APB1RSTR_USART4RST))
+
+#define __TIM7_RELEASE_RESET()   (RCC->APB1RSTR &= ~(RCC_APB1RSTR_TIM7RST))
+#define __USART3_RELEASE_RESET() (RCC->APB1RSTR &= ~(RCC_APB1RSTR_USART3RST))
+#define __USART4_RELEASE_RESET() (RCC->APB1RSTR &= ~(RCC_APB1RSTR_USART4RST))
+
+#endif /* STM32F071xB || STM32F072xB || STM32F078xx */
+
+#if defined(STM32F042x6) || defined(STM32F048xx) || defined(STM32F072xB)
+
+#define __USB_FORCE_RESET()      (RCC->APB1RSTR |= (RCC_APB1RSTR_USBRST))
+
+#define __USB_RELEASE_RESET()    (RCC->APB1RSTR &= ~(RCC_APB1RSTR_USBRST))
+
+#endif /* STM32F042x6 || STM32F072xB */
+
+#if defined(STM32F042x6) || defined(STM32F048xx) || defined(STM32F072xB)
+
+#define __CAN_FORCE_RESET()      (RCC->APB1RSTR |= (RCC_APB1RSTR_CANRST))
+
+#define __CAN_RELEASE_RESET()    (RCC->APB1RSTR &= ~(RCC_APB1RSTR_CANRST))
+
+#endif /* STM32F042x6 || STM32F072xB */
+
+#if defined(STM32F042x6) || defined(STM32F048xx) ||                                                 \
+    defined(STM32F071xB) || defined(STM32F072xB) || defined(STM32F078xx)
+
+#define __CRS_FORCE_RESET()      (RCC->APB1RSTR |= (RCC_APB1RSTR_CRSRST))
+
+#define __CRS_RELEASE_RESET()    (RCC->APB1RSTR &= ~(RCC_APB1RSTR_CRSRST))
+
+#endif /* STM32F042x6 ||                            */
+       /* STM32F071xB || STM32F072xB || STM32F078xx */
+
+
+/** @brief  Force or release APB2 peripheral reset.
+  */
+#if defined(STM32F030x8) || defined(STM32F042x6) || defined(STM32F048xx) ||                         \
+    defined(STM32F051x8) || defined(STM32F058xx) ||                         \
+    defined(STM32F071xB) || defined(STM32F072xB) || defined(STM32F078xx)
+
+#define __TIM15_FORCE_RESET()    (RCC->APB2RSTR |= (RCC_APB2RSTR_TIM15RST))
+
+#define __TIM15_RELEASE_RESET()  (RCC->APB2RSTR &= ~(RCC_APB2RSTR_TIM15RST))
+
+#endif /* STM32F030x8 || STM32F042x6 || STM32F048xx ||                */
+       /* STM32F051x8 || STM32F058xx ||                */
+       /* STM32F071xB || STM32F072xB || STM32F078xx    */
+
+#if defined(STM32F042x6) || defined(STM32F048xx) ||                                                 \
+    defined(STM32F071xB) || defined(STM32F072xB) || defined(STM32F078xx)
+    
+/** @brief  Macros to enable or disable the Internal 48Mhz High Speed oscillator (HSI48).
+  * @note   The HSI48 is stopped by hardware when entering STOP and STANDBY modes.
+  * @note   HSI48 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 HSI14.
+  * @note   After enabling the HSI48 with __HAL_RCC_HSI48_ENABLE(), the application software
+  *         should wait on HSI48RDY flag to be set indicating that HSI48 clock is stable and can be
+  *         used as system clock source. This is not necessary if HAL_RCC_OscConfig() is used.
+  * @note   When the HSI48 is stopped, HSI48RDY flag goes low after 6 HSI48 oscillator
+  *         clock cycles.
+  */
+#define __HAL_RCC_HSI48_ENABLE()  SET_BIT(RCC->CR2, RCC_CR2_HSI48ON)
+#define __HAL_RCC_HSI48_DISABLE() CLEAR_BIT(RCC->CR2, RCC_CR2_HSI48ON)
+
+/** @brief  Macro to get the Internal 48Mhz High Speed oscillator (HSI48) state.
+  * @retval The clock source can be one of the following values:
+  *            @arg RCC_HSI48_ON:  HSI48 enabled
+  *            @arg RCC_HSI48_OFF: HSI48 disabled
+  */
+#define __HAL_RCC_GET_HSI48_STATE() \
+                  (((uint32_t)(READ_BIT(RCC->CFGR3, RCC_CR2_HSI48ON)) != RESET) ? RCC_HSI48_ON : RCC_HSI48_OFF)  
+
+#else
+
+/** @brief  Macro to get the Internal 48Mhz High Speed oscillator (HSI48) state.
+  * @retval The clock source can be one of the following values:
+  *            @arg RCC_HSI_OFF: HSI48 disabled
+  */
+#define __HAL_RCC_GET_HSI48_STATE()   RCC_HSI_OFF 
+
+#endif /* STM32F042x6 ||                            */
+       /* STM32F071xB || STM32F072xB || STM32F078xx */
+
+#if defined(STM32F042x6) || defined(STM32F048xx) || defined(STM32F072xB)
+
+/** @brief  Macro to configure the USB clock (USBCLK).
+  * @param  __USBCLKSource__: specifies the USB clock source.
+  *         This parameter can be one of the following values:
+  *            @arg RCC_USBCLKSOURCE_HSI48:  HSI48 selected as USB clock
+  *            @arg RCC_USBCLKSOURCE_PLLCLK: PLL Clock selected as USB clock
+  */
+#define __HAL_RCC_USB_CONFIG(__USBCLKSource__) \
+                  MODIFY_REG(RCC->CFGR3, RCC_CFGR3_USBSW, (uint32_t)(__USBCLKSource__))
+
+/** @brief  Macro to get the USB clock source.
+  * @retval The clock source can be one of the following values:
+  *            @arg RCC_USBCLKSOURCE_HSI48:  HSI48 selected as USB clock
+  *            @arg RCC_USBCLKSOURCE_PLLCLK: PLL Clock selected as USB clock
+  */
+#define __HAL_RCC_GET_USB_SOURCE() ((uint32_t)(READ_BIT(RCC->CFGR3, RCC_CFGR3_USBSW)))
+
+#endif /* STM32F042x6 || STM32F072xB */
+
+#if defined(STM32F042x6) || defined(STM32F048xx) ||                                                 \
+    defined(STM32F051x8) || defined(STM32F058xx) ||                         \
+    defined(STM32F071xB) || defined(STM32F072xB) || defined(STM32F078xx)
+
+/** @brief  Macro to configure the CEC clock.
+  * @param  __CECCLKSource__: specifies the CEC clock source.
+  *         This parameter can be one of the following values:
+  *            @arg RCC_CECCLKSOURCE_HSI: HSI selected as CEC clock
+  *            @arg RCC_CECCLKSOURCE_LSE: LSE selected as CEC clock
+  */
+#define __HAL_RCC_CEC_CONFIG(__CECCLKSource__) \
+                  MODIFY_REG(RCC->CFGR3, RCC_CFGR3_CECSW, (uint32_t)(__CECCLKSource__))
+
+/** @brief  Macro to get the HDMI CEC clock source.
+  * @retval The clock source can be one of the following values:
+  *            @arg RCC_CECCLKSOURCE_HSI: HSI selected as CEC clock
+  *            @arg RCC_CECCLKSOURCE_LSE: LSE selected as CEC clock
+  */
+#define __HAL_RCC_GET_CEC_SOURCE() ((uint32_t)(READ_BIT(RCC->CFGR3, RCC_CFGR3_CECSW)))
+
+#endif /* STM32F042x6 ||                               */
+       /* STM32F051x8 || STM32F058xx ||                */
+       /* STM32F071xB || STM32F072xB || STM32F078xx    */
+
+#if defined(STM32F030x6) || defined(STM32F031x6) || defined(STM32F038xx) || \
+    defined(STM32F042x6) || defined(STM32F048xx) || defined(STM32F071xB) || \
+    defined(STM32F072xB) || defined(STM32F078xx)
+
+/** @brief  Macro to configure the MCO clock.
+  * @param  __MCOCLKSource__: specifies the MCO clock source.
+  *         This parameter can be one of the following values:
+  *            @arg RCC_MCOSOURCE_HSI: HSI selected as MCO clock
+  *            @arg RCC_MCOSOURCE_HSE: HSE selected as MCO clock
+  *            @arg RCC_MCOSOURCE_LSI: LSI selected as MCO clock
+  *            @arg RCC_MCOSOURCE_LSE: LSE selected as MCO clock
+  *            @arg RCC_MCOSOURCE_PLLCLK_NODIV: PLLCLK selected as MCO clock
+  *            @arg RCC_MCOSOURCE_PLLCLK_DIV2: PLLCLK Divided by 2 selected as MCO clock
+  *            @arg RCC_MCOSOURCE_SYSCLK: System Clock selected as MCO clock
+  *            @arg RCC_MCOSOURCE_HSI14: HSI14 selected as MCO clock
+  *            @arg RCC_MCOSOURCE_HSI48: HSI48 selected as MCO clock
+  * @param  __MCODiv__: specifies the MCO clock prescaler.
+  *          This parameter can be one of the following values:
+  *            @arg RCC_MCO_DIV1: MCO clock source is divided by 1
+  *            @arg RCC_MCO_DIV2: MCO clock source is divided by 2
+  *            @arg RCC_MCO_DIV4: MCO clock source is divided by 4
+  *            @arg RCC_MCO_DIV8: MCO clock source is divided by 8
+  *            @arg RCC_MCO_DIV16: MCO clock source is divided by 16
+  *            @arg RCC_MCO_DIV32: MCO clock source is divided by 32
+  *            @arg RCC_MCO_DIV64: MCO clock source is divided by 64
+  *            @arg RCC_MCO_DIV128: MCO clock source is divided by 128
+  */
+#define __HAL_RCC_MCO_CONFIG(__MCOCLKSource__, __MCODiv__) \
+                 MODIFY_REG(RCC->CFGR, (RCC_CFGR_MCO | RCC_CFGR_MCOPRE), ((__MCOCLKSource__) | (__MCODiv__)))
+#else
+
+/** @brief  Macro to configure the MCO clock.
+  * @param  __MCOCLKSource__: specifies the MCO clock source.
+  *         This parameter can be one of the following values:
+  *            @arg RCC_MCOSOURCE_HSI: HSI selected as MCO clock
+  *            @arg RCC_MCOSOURCE_HSE: HSE selected as MCO clock
+  *            @arg RCC_MCOSOURCE_LSI: LSI selected as MCO clock
+  *            @arg RCC_MCOSOURCE_LSE: LSE selected as MCO clock
+  *            @arg RCC_MCOSOURCE_PLLCLK_DIV2: PLLCLK Divided by 2 selected as MCO clock
+  *            @arg RCC_MCOSOURCE_SYSCLK: System Clock selected as MCO clock
+  *            @arg RCC_MCOSOURCE_HSI14: HSI14 selected as MCO clock
+  *            @arg RCC_MCOSOURCE_HSI48: HSI48 selected as MCO clock
+  * @param  __MCODiv__: specifies the MCO clock prescaler.
+  *         This parameter can be one of the following values:
+  *            @arg RCC_MCO_NODIV: No division applied on MCO clock source
+  */
+#define __HAL_RCC_MCO_CONFIG(__MCOCLKSource__, __MCODiv__) \
+                 MODIFY_REG(RCC->CFGR, RCC_CFGR_MCO, __MCOCLKSource__)
+
+#endif /* STM32F030x6 || STM32F031x6 || STM32F038xx || */
+       /* STM32F042x6 || STM32F071xB || */
+       /* STM32F072xB || STM32F078xx    */
+
+#if defined(STM32F042x6) || defined(STM32F048xx) ||                                                 \
+    defined(STM32F071xB) || defined(STM32F072xB) || defined(STM32F078xx)
+/* Interrupt & Flag management */
+
+/**
+  * @brief  Enables the specified CRS interrupts.
+  * @param  __INTERRUPT__: specifies the CRS interrupt sources to be enabled.
+  *          This parameter can be any combination of the following values:
+  *              @arg RCC_CRS_IT_SYNCOK
+  *              @arg RCC_CRS_IT_SYNCWARN
+  *              @arg RCC_CRS_IT_ERR
+  *              @arg RCC_CRS_IT_ESYNC
+  * @retval None
+  */
+#define __HAL_RCC_CRS_ENABLE_IT(__INTERRUPT__)   (CRS->CR |= (__INTERRUPT__))
+
+/**
+  * @brief  Disables the specified CRS interrupts.
+  * @param  __INTERRUPT__: specifies the CRS interrupt sources to be disabled.
+  *          This parameter can be any combination of the following values:
+  *              @arg RCC_CRS_IT_SYNCOK
+  *              @arg RCC_CRS_IT_SYNCWARN
+  *              @arg RCC_CRS_IT_ERR
+  *              @arg RCC_CRS_IT_ESYNC
+  * @retval None
+  */
+#define __HAL_RCC_CRS_DISABLE_IT(__INTERRUPT__)  (CRS->CR &= ~(__INTERRUPT__))
+
+/** @brief  Check the CRS's interrupt has occurred or not.
+  * @param  __INTERRUPT__: specifies the CRS interrupt source to check.
+  *         This parameter can be one of the following values:
+  *              @arg RCC_CRS_IT_SYNCOK
+  *              @arg RCC_CRS_IT_SYNCWARN
+  *              @arg RCC_CRS_IT_ERR
+  *              @arg RCC_CRS_IT_ESYNC
+  * @retval The new state of __INTERRUPT__ (SET or RESET).
+  */
+#define __HAL_RCC_CRS_GET_IT_SOURCE(__INTERRUPT__)     ((CRS->CR & (__INTERRUPT__))? SET : RESET)
+
+/** @brief  Clear the CRS's interrupt pending bits
+  *         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_CRS_IT_SYNCOK
+  *              @arg RCC_CRS_IT_SYNCWARN
+  *              @arg RCC_CRS_IT_ERR
+  *              @arg RCC_CRS_IT_ESYNC
+  *              @arg RCC_CRS_IT_TRIMOVF
+  *              @arg RCC_CRS_IT_SYNCERR
+  *              @arg RCC_CRS_IT_SYNCMISS
+  */
+/* CRS IT Error Mask */
+#define  RCC_CRS_IT_ERROR_MASK                 ((uint32_t)(RCC_CRS_IT_TRIMOVF | RCC_CRS_IT_SYNCERR | RCC_CRS_IT_SYNCMISS))
+
+#define __HAL_RCC_CRS_CLEAR_IT(__INTERRUPT__)   ((((__INTERRUPT__) &  RCC_CRS_IT_ERROR_MASK)!= 0) ? (CRS->ICR |= CRS_ICR_ERRC) : \
+                                            (CRS->ICR |= (__INTERRUPT__)))
+
+/**
+  * @brief  Checks whether the specified CRS flag is set or not.
+  * @param  _FLAG_: specifies the flag to check.
+  *          This parameter can be one of the following values:
+  *              @arg RCC_CRS_FLAG_SYNCOK
+  *              @arg RCC_CRS_FLAG_SYNCWARN
+  *              @arg RCC_CRS_FLAG_ERR
+  *              @arg RCC_CRS_FLAG_ESYNC
+  *              @arg RCC_CRS_FLAG_TRIMOVF
+  *              @arg RCC_CRS_FLAG_SYNCERR
+  *              @arg RCC_CRS_FLAG_SYNCMISS
+  * @retval The new state of _FLAG_ (TRUE or FALSE).
+  */
+#define __HAL_RCC_CRS_GET_FLAG(_FLAG_)  ((CRS->ISR & (_FLAG_)) == (_FLAG_))
+
+/**
+  * @brief  Clears the CRS specified FLAG.
+  * @param _FLAG_: specifies the flag to clear.
+  *          This parameter can be one of the following values:
+  *              @arg RCC_CRS_FLAG_SYNCOK
+  *              @arg RCC_CRS_FLAG_SYNCWARN
+  *              @arg RCC_CRS_FLAG_ERR
+  *              @arg RCC_CRS_FLAG_ESYNC
+  *              @arg RCC_CRS_FLAG_TRIMOVF
+  *              @arg RCC_CRS_FLAG_SYNCERR
+  *              @arg RCC_CRS_FLAG_SYNCMISS
+  * @retval None
+  */
+
+/* CRS Flag Error Mask */
+#define RCC_CRS_FLAG_ERROR_MASK                 ((uint32_t)(RCC_CRS_FLAG_TRIMOVF | RCC_CRS_FLAG_SYNCERR | RCC_CRS_FLAG_SYNCMISS))
+
+#define __HAL_RCC_CRS_CLEAR_FLAG(__FLAG__)   ((((__FLAG__) & RCC_CRS_FLAG_ERROR_MASK)!= 0) ? (CRS->ICR |= CRS_ICR_ERRC) : \
+                                            (CRS->ICR |= (__FLAG__)))
+
+
+/**
+  * @brief  Enables the oscillator clock for frequency error counter.
+  * @note   when the CEN bit is set the CRS_CFGR register becomes write-protected.
+  * @param  None
+  * @retval None
+  */
+#define __HAL_RCC_CRS_ENABLE_FREQ_ERROR_COUNTER() (CRS->CR |= CRS_CR_CEN)
+
+/**
+  * @brief  Disables the oscillator clock for frequency error counter.
+  * @param  None
+  * @retval None
+  */
+#define __HAL_RCC_CRS_DISABLE_FREQ_ERROR_COUNTER()  (CRS->CR &= ~CRS_CR_CEN)
+
+/**
+  * @brief  Enables the automatic hardware adjustement of TRIM bits.
+  * @note   When the AUTOTRIMEN bit is set the CRS_CFGR register becomes write-protected.
+  * @param  None
+  * @retval None
+  */
+#define __HAL_RCC_CRS_ENABLE_AUTOMATIC_CALIB()  (CRS->CR |= CRS_CR_AUTOTRIMEN)
+
+/**
+  * @brief  Enables or disables the automatic hardware adjustement of TRIM bits.
+  * @param  None
+  * @retval None
+  */
+#define __HAL_RCC_CRS_DISABLE_AUTOMATIC_CALIB()  (CRS->CR &= ~CRS_CR_AUTOTRIMEN)
+
+/**
+  * @brief  Macro to calculate reload value to be set in CRS register according to target and sync frequencies
+  * @note   The RELOAD value should be selected according to the ratio between the target frequency and the frequency 
+  *             of the synchronization source after prescaling. It is then decreased by one in order to 
+  *             reach the expected synchronization on the zero value. The formula is the following:
+  *             RELOAD = (fTARGET / fSYNC) -1
+  * @param  _FTARGET_ Target frequency (value in Hz)
+  * @param  _FSYNC_ Synchronization signal frequency (value in Hz)
+  * @retval None
+  */
+#define __HAL_RCC_CRS_CALCULATE_RELOADVALUE(_FTARGET_, _FSYNC_)  (((_FTARGET_) / (_FSYNC_)) - 1)
+
+#endif /* STM32F042x6 ||                            */
+       /* STM32F071xB || STM32F072xB || STM32F078xx */
+
+/**
+  * @}
+  */   
+
+/* Exported functions --------------------------------------------------------*/
+HAL_StatusTypeDef     HAL_RCCEx_PeriphCLKConfig(RCC_PeriphCLKInitTypeDef  *PeriphClkInit);
+void                  HAL_RCCEx_GetPeriphCLKConfig(RCC_PeriphCLKInitTypeDef  *PeriphClkInit);
+
+#if defined(STM32F042x6) || defined(STM32F048xx) ||                                                 \
+    defined(STM32F071xB) || defined(STM32F072xB) || defined(STM32F078xx)
+void                  HAL_RCCEx_CRSConfig(RCC_CRSInitTypeDef *pInit);
+void                  HAL_RCCEx_CRSSoftwareSynchronizationGenerate(void);
+void                  HAL_RCCEx_CRSGetSynchronizationInfo(RCC_CRSSynchroInfoTypeDef *pSynchroInfo);
+RCC_CRSStatusTypeDef  HAL_RCCEx_CRSWaitSynchronization(uint32_t Timeout);
+#endif /* STM32F042x6 || */
+       /* STM32F071xB || STM32F072xB || STM32F078xx */
+
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __STM32F0xx_HAL_RCC_EX_H */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/