mbed library sources. Supersedes mbed-src.

Dependents:   Nucleo_Hello_Encoder BLE_iBeaconScan AM1805_DEMO DISCO-F429ZI_ExportTemplate1 ... more

Revision:
149:156823d33999
Parent:
144:ef7eb2e8f9f7
Child:
156:95d6b41a828b
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/targets/TARGET_STM/TARGET_STM32F0/device/stm32f0xx_hal_rcc.h	Fri Oct 28 11:17:30 2016 +0100
@@ -0,0 +1,1704 @@
+/**
+  ******************************************************************************
+  * @file    stm32f0xx_hal_rcc.h
+  * @author  MCD Application Team
+  * @version V1.4.0
+  * @date    27-May-2016
+  * @brief   Header file of RCC HAL module.
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
+  *
+  * Redistribution and use in source and binary forms, with or without modification,
+  * are permitted provided that the following conditions are met:
+  *   1. Redistributions of source code must retain the above copyright notice,
+  *      this list of conditions and the following disclaimer.
+  *   2. Redistributions in binary form must reproduce the above copyright notice,
+  *      this list of conditions and the following disclaimer in the documentation
+  *      and/or other materials provided with the distribution.
+  *   3. Neither the name of STMicroelectronics nor the names of its contributors
+  *      may be used to endorse or promote products derived from this software
+  *      without specific prior written permission.
+  *
+  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+  *
+  ******************************************************************************
+  */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __STM32F0xx_HAL_RCC_H
+#define __STM32F0xx_HAL_RCC_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx_hal_def.h"
+
+/** @addtogroup STM32F0xx_HAL_Driver
+  * @{
+  */
+
+/** @addtogroup RCC
+  * @{
+  */
+
+/** @addtogroup RCC_Private_Constants
+  * @{
+  */
+
+/** @defgroup RCC_Timeout RCC Timeout
+  * @{
+  */ 
+  
+/* Disable Backup domain write protection state change timeout */
+#define RCC_DBP_TIMEOUT_VALUE  ((uint32_t)100)       /* 100 ms */
+/* LSE state change timeout */
+#define RCC_LSE_TIMEOUT_VALUE      LSE_STARTUP_TIMEOUT
+#define CLOCKSWITCH_TIMEOUT_VALUE  ((uint32_t)5000)  /* 5 s    */
+#define HSE_TIMEOUT_VALUE          HSE_STARTUP_TIMEOUT
+#define HSI_TIMEOUT_VALUE         ((uint32_t)2)      /* 2 ms (minimum Tick + 1) */
+#define LSI_TIMEOUT_VALUE         ((uint32_t)2)      /* 2 ms (minimum Tick + 1) */
+#define PLL_TIMEOUT_VALUE         ((uint32_t)2)      /* 2 ms (minimum Tick + 1) */
+#define HSI14_TIMEOUT_VALUE       ((uint32_t)2)      /* 2 ms (minimum Tick + 1) */
+#if defined(RCC_HSI48_SUPPORT)
+#define HSI48_TIMEOUT_VALUE       ((uint32_t)2)      /* 2 ms (minimum Tick + 1) */
+#endif /* RCC_HSI48_SUPPORT */
+/**
+  * @}
+  */
+  
+/** @defgroup RCC_Register_Offset Register offsets
+  * @{
+  */
+#define RCC_OFFSET                (RCC_BASE - PERIPH_BASE)
+#define RCC_CR_OFFSET             0x00
+#define RCC_CFGR_OFFSET           0x04
+#define RCC_CIR_OFFSET            0x08
+#define RCC_BDCR_OFFSET           0x20
+#define RCC_CSR_OFFSET            0x24
+
+/**
+  * @}
+  */
+
+  
+/* CR register byte 2 (Bits[23:16]) base address */
+#define RCC_CR_BYTE2_ADDRESS          ((uint32_t)(RCC_BASE + RCC_CR_OFFSET + 0x02))
+
+/* CIR register byte 1 (Bits[15:8]) base address */
+#define RCC_CIR_BYTE1_ADDRESS     ((uint32_t)(RCC_BASE + RCC_CIR_OFFSET + 0x01))
+
+/* CIR register byte 2 (Bits[23:16]) base address */
+#define RCC_CIR_BYTE2_ADDRESS     ((uint32_t)(RCC_BASE + RCC_CIR_OFFSET + 0x02))
+
+/* Defines used for Flags */
+#define CR_REG_INDEX                     ((uint8_t)1)
+#define CR2_REG_INDEX                    ((uint8_t)2)
+#define BDCR_REG_INDEX                   ((uint8_t)3)
+#define CSR_REG_INDEX                    ((uint8_t)4)
+
+/* Bits position in  in the CFGR register */
+#define RCC_CFGR_PLLMUL_BITNUMBER         18U
+#define RCC_CFGR_HPRE_BITNUMBER           4U
+#define RCC_CFGR_PPRE_BITNUMBER           8U
+/* Flags in the CFGR2 register */
+#define RCC_CFGR2_PREDIV_BITNUMBER        0
+/* Flags in the CR register */
+#define RCC_CR_HSIRDY_BitNumber           1
+#define RCC_CR_HSERDY_BitNumber           17
+#define RCC_CR_PLLRDY_BitNumber           25
+/* Flags in the CR2 register */
+#define RCC_CR2_HSI14RDY_BitNumber        1
+#define RCC_CR2_HSI48RDY_BitNumber       16
+/* Flags in the BDCR register */
+#define RCC_BDCR_LSERDY_BitNumber         1
+/* Flags in the CSR register */
+#define RCC_CSR_LSIRDY_BitNumber          1
+#define RCC_CSR_V18PWRRSTF_BitNumber      23
+#define RCC_CSR_RMVF_BitNumber            24
+#define RCC_CSR_OBLRSTF_BitNumber         25
+#define RCC_CSR_PINRSTF_BitNumber         26
+#define RCC_CSR_PORRSTF_BitNumber         27
+#define RCC_CSR_SFTRSTF_BitNumber         28
+#define RCC_CSR_IWDGRSTF_BitNumber        29
+#define RCC_CSR_WWDGRSTF_BitNumber        30
+#define RCC_CSR_LPWRRSTF_BitNumber        31
+/* Flags in the HSITRIM register */
+#define RCC_CR_HSITRIM_BitNumber          3
+#define RCC_HSI14TRIM_BIT_NUMBER          3
+#define RCC_FLAG_MASK                    ((uint8_t)0x1F)
+
+/**
+  * @}
+  */
+
+/** @addtogroup RCC_Private_Macros
+  * @{
+  */
+#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_HSI14(__HSI14__) (((__HSI14__) == RCC_HSI14_OFF) || ((__HSI14__) == RCC_HSI14_ON) || ((__HSI14__) == RCC_HSI14_ADC_CONTROL))
+#define IS_RCC_CALIBRATION_VALUE(__VALUE__) ((__VALUE__) <= 0x1F)
+#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_PREDIV(__PREDIV__) (((__PREDIV__) == RCC_PREDIV_DIV1)  || ((__PREDIV__) == RCC_PREDIV_DIV2)   || \
+                                  ((__PREDIV__) == RCC_PREDIV_DIV3)  || ((__PREDIV__) == RCC_PREDIV_DIV4)   || \
+                                  ((__PREDIV__) == RCC_PREDIV_DIV5)  || ((__PREDIV__) == RCC_PREDIV_DIV6)   || \
+                                  ((__PREDIV__) == RCC_PREDIV_DIV7)  || ((__PREDIV__) == RCC_PREDIV_DIV8)   || \
+                                  ((__PREDIV__) == RCC_PREDIV_DIV9)  || ((__PREDIV__) == RCC_PREDIV_DIV10)  || \
+                                  ((__PREDIV__) == RCC_PREDIV_DIV11) || ((__PREDIV__) == RCC_PREDIV_DIV12)  || \
+                                  ((__PREDIV__) == RCC_PREDIV_DIV13) || ((__PREDIV__) == RCC_PREDIV_DIV14)  || \
+                                  ((__PREDIV__) == RCC_PREDIV_DIV15) || ((__PREDIV__) == RCC_PREDIV_DIV16))
+
+#define IS_RCC_PLL_MUL(__MUL__) (((__MUL__) == RCC_PLL_MUL2)  || ((__MUL__) == RCC_PLL_MUL3)   || \
+                                 ((__MUL__) == RCC_PLL_MUL4)  || ((__MUL__) == RCC_PLL_MUL5)   || \
+                                 ((__MUL__) == RCC_PLL_MUL6)  || ((__MUL__) == RCC_PLL_MUL7)   || \
+                                 ((__MUL__) == RCC_PLL_MUL8)  || ((__MUL__) == RCC_PLL_MUL9)   || \
+                                 ((__MUL__) == RCC_PLL_MUL10) || ((__MUL__) == RCC_PLL_MUL11)  || \
+                                 ((__MUL__) == RCC_PLL_MUL12) || ((__MUL__) == RCC_PLL_MUL13)  || \
+                                 ((__MUL__) == RCC_PLL_MUL14) || ((__MUL__) == RCC_PLL_MUL15)  || \
+                                 ((__MUL__) == RCC_PLL_MUL16))
+#define IS_RCC_CLOCKTYPE(__CLK__) ((((__CLK__) & RCC_CLOCKTYPE_SYSCLK) == RCC_CLOCKTYPE_SYSCLK) || \
+                                   (((__CLK__) & RCC_CLOCKTYPE_HCLK)   == RCC_CLOCKTYPE_HCLK)   || \
+                                   (((__CLK__) & RCC_CLOCKTYPE_PCLK1)  == RCC_CLOCKTYPE_PCLK1))
+#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_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(__MCO__)  ((__MCO__) == RCC_MCO)
+#define IS_RCC_RTCCLKSOURCE(__SOURCE__)  (((__SOURCE__) == RCC_RTCCLKSOURCE_NO_CLK) || \
+                                          ((__SOURCE__) == RCC_RTCCLKSOURCE_LSE)  || \
+                                          ((__SOURCE__) == RCC_RTCCLKSOURCE_LSI)  || \
+                                          ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV32))
+#define IS_RCC_USART1CLKSOURCE(__SOURCE__)  (((__SOURCE__) == RCC_USART1CLKSOURCE_PCLK1)  || \
+                                             ((__SOURCE__) == RCC_USART1CLKSOURCE_SYSCLK) || \
+                                             ((__SOURCE__) == RCC_USART1CLKSOURCE_LSE)    || \
+                                             ((__SOURCE__) == RCC_USART1CLKSOURCE_HSI))
+#define IS_RCC_I2C1CLKSOURCE(__SOURCE__)  (((__SOURCE__) == RCC_I2C1CLKSOURCE_HSI) || \
+                                           ((__SOURCE__) == RCC_I2C1CLKSOURCE_SYSCLK))
+
+/**
+  * @}
+  */
+
+/* Exported types ------------------------------------------------------------*/
+
+/** @defgroup RCC_Exported_Types RCC Exported Types
+  * @{
+  */
+
+/** 
+  * @brief  RCC PLL configuration structure definition  
+  */
+typedef struct
+{
+  uint32_t PLLState;      /*!< PLLState: The new state of the PLL.
+                              This parameter can be a value of @ref RCC_PLL_Config */
+
+  uint32_t PLLSource;     /*!< PLLSource: PLL entry clock source.
+                              This parameter must be a value of @ref RCC_PLL_Clock_Source */          
+
+  uint32_t PLLMUL;        /*!< PLLMUL: Multiplication factor for PLL VCO input clock
+                              This parameter must be a value of @ref RCC_PLL_Multiplication_Factor*/
+
+  uint32_t PREDIV;        /*!< PREDIV: Predivision factor for PLL VCO input clock
+                              This parameter must be a value of @ref RCC_PLL_Prediv_Factor */
+
+} 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 HSI calibration trimming value (default is RCC_HSICALIBRATION_DEFAULT).
+                                       This parameter must be a number between Min_Data = 0x00 and Max_Data = 0x1F */
+
+  uint32_t HSI14State;             /*!< The new state of the HSI14.
+                                        This parameter can be a value of @ref RCC_HSI14_Config */
+
+  uint32_t HSI14CalibrationValue;  /*!< The HSI14 calibration trimming value (default is RCC_HSI14CALIBRATION_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 */
+
+  uint32_t HSI48State;            /*!< The new state of the HSI48.
+                                       This parameter can be a value of @ref RCC_HSI48_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_Clock_Source */
+
+} RCC_ClkInitTypeDef;
+
+/**
+  * @}
+  */
+
+/* Exported constants --------------------------------------------------------*/
+/** @defgroup RCC_Exported_Constants RCC Exported Constants
+  * @{
+  */
+
+/** @defgroup RCC_PLL_Clock_Source PLL Clock Source
+  * @{
+  */
+
+#define RCC_PLLSOURCE_HSE           RCC_CFGR_PLLSRC_HSE_PREDIV /*!< HSE clock selected as PLL entry clock source */
+
+/**
+  * @}
+  */
+
+/** @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)
+#define RCC_OSCILLATORTYPE_HSI14           ((uint32_t)0x00000010)
+#if defined(RCC_HSI48_SUPPORT)
+#define RCC_OSCILLATORTYPE_HSI48           ((uint32_t)0x00000020)
+#endif /* RCC_HSI48_SUPPORT */
+/**
+  * @}
+  */
+
+/** @defgroup RCC_HSE_Config HSE Config
+  * @{
+  */
+#define RCC_HSE_OFF                      ((uint32_t)0x00000000)                     /*!< HSE clock deactivation */
+#define RCC_HSE_ON                       ((uint32_t)0x00000001)                     /*!< HSE clock activation */
+#define RCC_HSE_BYPASS                   ((uint32_t)0x00000005)                     /*!< External clock source for HSE clock */
+/**
+  * @}
+  */
+
+/** @defgroup RCC_LSE_Config LSE Config
+  * @{
+  */
+#define RCC_LSE_OFF                      ((uint32_t)0x00000000)                       /*!< LSE clock deactivation */
+#define RCC_LSE_ON                       ((uint32_t)0x00000001)                       /*!< LSE clock activation */
+#define RCC_LSE_BYPASS                   ((uint32_t)0x00000005)                       /*!< External clock source for LSE clock */
+
+/**
+  * @}
+  */
+
+/** @defgroup RCC_HSI_Config HSI Config
+  * @{
+  */
+#define RCC_HSI_OFF                      ((uint32_t)0x00000000)           /*!< HSI clock deactivation */
+#define RCC_HSI_ON                       RCC_CR_HSION                     /*!< HSI clock activation */
+
+#define RCC_HSICALIBRATION_DEFAULT       ((uint32_t)0x10)         /* Default HSI calibration trimming value */
+
+/**
+  * @}
+  */
+
+/** @defgroup RCC_HSI14_Config RCC HSI14 Config
+  * @{
+  */
+#define RCC_HSI14_OFF                    ((uint32_t)0x00)
+#define RCC_HSI14_ON                     RCC_CR2_HSI14ON
+#define RCC_HSI14_ADC_CONTROL            (~RCC_CR2_HSI14DIS)
+
+#define RCC_HSI14CALIBRATION_DEFAULT     ((uint32_t)0x10)   /* Default HSI14 calibration trimming value */
+/**
+  * @}
+  */
+  
+/** @defgroup RCC_LSI_Config LSI Config
+  * @{
+  */
+#define RCC_LSI_OFF                      ((uint32_t)0x00000000)   /*!< LSI clock deactivation */
+#define RCC_LSI_ON                       RCC_CSR_LSION            /*!< LSI clock activation */
+
+/**
+  * @}
+  */
+
+#if defined(RCC_HSI48_SUPPORT)
+/** @defgroup RCC_HSI48_Config HSI48 Config
+  * @{
+  */
+#define RCC_HSI48_OFF               ((uint8_t)0x00)
+#define RCC_HSI48_ON                ((uint8_t)0x01)
+
+/**
+  * @}
+  */
+#endif /* RCC_HSI48_SUPPORT */
+
+/** @defgroup RCC_PLL_Config PLL Config
+  * @{
+  */
+#define RCC_PLL_NONE                      ((uint32_t)0x00000000)  /*!< PLL is not configured */
+#define RCC_PLL_OFF                       ((uint32_t)0x00000001)  /*!< PLL deactivation */
+#define RCC_PLL_ON                        ((uint32_t)0x00000002)  /*!< PLL activation */
+
+/**
+  * @}
+  */
+
+/** @defgroup RCC_System_Clock_Type System Clock Type
+  * @{
+  */
+#define RCC_CLOCKTYPE_SYSCLK             ((uint32_t)0x00000001) /*!< SYSCLK to configure */
+#define RCC_CLOCKTYPE_HCLK               ((uint32_t)0x00000002) /*!< HCLK to configure */
+#define RCC_CLOCKTYPE_PCLK1              ((uint32_t)0x00000004) /*!< PCLK1 to configure */
+
+/**
+  * @}
+  */
+
+/** @defgroup RCC_System_Clock_Source System Clock Source
+  * @{
+  */
+#define RCC_SYSCLKSOURCE_HSI             RCC_CFGR_SW_HSI /*!< HSI selected as system clock */
+#define RCC_SYSCLKSOURCE_HSE             RCC_CFGR_SW_HSE /*!< HSE selected as system clock */
+#define RCC_SYSCLKSOURCE_PLLCLK          RCC_CFGR_SW_PLL /*!< PLL selected as system clock */
+
+/**
+  * @}
+  */
+
+/** @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 AHB Clock Source
+  * @{
+  */
+#define RCC_SYSCLK_DIV1                  RCC_CFGR_HPRE_DIV1   /*!< SYSCLK not divided */
+#define RCC_SYSCLK_DIV2                  RCC_CFGR_HPRE_DIV2   /*!< SYSCLK divided by 2 */
+#define RCC_SYSCLK_DIV4                  RCC_CFGR_HPRE_DIV4   /*!< SYSCLK divided by 4 */
+#define RCC_SYSCLK_DIV8                  RCC_CFGR_HPRE_DIV8   /*!< SYSCLK divided by 8 */
+#define RCC_SYSCLK_DIV16                 RCC_CFGR_HPRE_DIV16  /*!< SYSCLK divided by 16 */
+#define RCC_SYSCLK_DIV64                 RCC_CFGR_HPRE_DIV64  /*!< SYSCLK divided by 64 */
+#define RCC_SYSCLK_DIV128                RCC_CFGR_HPRE_DIV128 /*!< SYSCLK divided by 128 */
+#define RCC_SYSCLK_DIV256                RCC_CFGR_HPRE_DIV256 /*!< SYSCLK divided by 256 */
+#define RCC_SYSCLK_DIV512                RCC_CFGR_HPRE_DIV512 /*!< SYSCLK divided by 512 */
+
+/**
+  * @}
+  */
+  
+/** @defgroup RCC_APB1_Clock_Source RCC APB1 Clock Source
+  * @{
+  */
+#define RCC_HCLK_DIV1                    RCC_CFGR_PPRE_DIV1  /*!< HCLK not divided */
+#define RCC_HCLK_DIV2                    RCC_CFGR_PPRE_DIV2  /*!< HCLK divided by 2 */
+#define RCC_HCLK_DIV4                    RCC_CFGR_PPRE_DIV4  /*!< HCLK divided by 4 */
+#define RCC_HCLK_DIV8                    RCC_CFGR_PPRE_DIV8  /*!< HCLK divided by 8 */
+#define RCC_HCLK_DIV16                   RCC_CFGR_PPRE_DIV16 /*!< HCLK divided by 16 */
+
+/**
+  * @}
+  */
+
+/** @defgroup RCC_RTC_Clock_Source RTC Clock Source
+  * @{
+  */
+#define RCC_RTCCLKSOURCE_NO_CLK          ((uint32_t)0x00000000)                 /*!< No clock */
+#define RCC_RTCCLKSOURCE_LSE             RCC_BDCR_RTCSEL_LSE                  /*!< LSE oscillator clock used as RTC clock */
+#define RCC_RTCCLKSOURCE_LSI             RCC_BDCR_RTCSEL_LSI                  /*!< LSI oscillator clock used as RTC clock */
+#define RCC_RTCCLKSOURCE_HSE_DIV32       RCC_BDCR_RTCSEL_HSE                    /*!< HSE oscillator clock divided by 32 used as RTC clock */
+/**
+  * @}
+  */
+
+/** @defgroup RCC_PLL_Multiplication_Factor RCC PLL Multiplication Factor
+  * @{
+  */
+#define RCC_PLL_MUL2                     RCC_CFGR_PLLMUL2
+#define RCC_PLL_MUL3                     RCC_CFGR_PLLMUL3
+#define RCC_PLL_MUL4                     RCC_CFGR_PLLMUL4
+#define RCC_PLL_MUL5                     RCC_CFGR_PLLMUL5
+#define RCC_PLL_MUL6                     RCC_CFGR_PLLMUL6
+#define RCC_PLL_MUL7                     RCC_CFGR_PLLMUL7
+#define RCC_PLL_MUL8                     RCC_CFGR_PLLMUL8
+#define RCC_PLL_MUL9                     RCC_CFGR_PLLMUL9
+#define RCC_PLL_MUL10                    RCC_CFGR_PLLMUL10
+#define RCC_PLL_MUL11                    RCC_CFGR_PLLMUL11
+#define RCC_PLL_MUL12                    RCC_CFGR_PLLMUL12
+#define RCC_PLL_MUL13                    RCC_CFGR_PLLMUL13
+#define RCC_PLL_MUL14                    RCC_CFGR_PLLMUL14
+#define RCC_PLL_MUL15                    RCC_CFGR_PLLMUL15
+#define RCC_PLL_MUL16                    RCC_CFGR_PLLMUL16
+
+/**
+  * @}
+  */
+
+/** @defgroup RCC_PLL_Prediv_Factor RCC PLL Prediv Factor
+  * @{
+  */
+
+#define RCC_PREDIV_DIV1                  RCC_CFGR2_PREDIV_DIV1
+#define RCC_PREDIV_DIV2                  RCC_CFGR2_PREDIV_DIV2
+#define RCC_PREDIV_DIV3                  RCC_CFGR2_PREDIV_DIV3
+#define RCC_PREDIV_DIV4                  RCC_CFGR2_PREDIV_DIV4
+#define RCC_PREDIV_DIV5                  RCC_CFGR2_PREDIV_DIV5
+#define RCC_PREDIV_DIV6                  RCC_CFGR2_PREDIV_DIV6
+#define RCC_PREDIV_DIV7                  RCC_CFGR2_PREDIV_DIV7
+#define RCC_PREDIV_DIV8                  RCC_CFGR2_PREDIV_DIV8
+#define RCC_PREDIV_DIV9                  RCC_CFGR2_PREDIV_DIV9
+#define RCC_PREDIV_DIV10                 RCC_CFGR2_PREDIV_DIV10
+#define RCC_PREDIV_DIV11                 RCC_CFGR2_PREDIV_DIV11
+#define RCC_PREDIV_DIV12                 RCC_CFGR2_PREDIV_DIV12
+#define RCC_PREDIV_DIV13                 RCC_CFGR2_PREDIV_DIV13
+#define RCC_PREDIV_DIV14                 RCC_CFGR2_PREDIV_DIV14
+#define RCC_PREDIV_DIV15                 RCC_CFGR2_PREDIV_DIV15
+#define RCC_PREDIV_DIV16                 RCC_CFGR2_PREDIV_DIV16
+
+/**
+  * @}
+  */
+  
+
+/** @defgroup RCC_USART1_Clock_Source RCC USART1 Clock Source
+  * @{
+  */
+#define RCC_USART1CLKSOURCE_PCLK1        RCC_CFGR3_USART1SW_PCLK
+#define RCC_USART1CLKSOURCE_SYSCLK       RCC_CFGR3_USART1SW_SYSCLK
+#define RCC_USART1CLKSOURCE_LSE          RCC_CFGR3_USART1SW_LSE
+#define RCC_USART1CLKSOURCE_HSI          RCC_CFGR3_USART1SW_HSI
+
+/**
+  * @}
+  */
+
+/** @defgroup RCC_I2C1_Clock_Source RCC I2C1 Clock Source
+  * @{
+  */
+#define RCC_I2C1CLKSOURCE_HSI            RCC_CFGR3_I2C1SW_HSI
+#define RCC_I2C1CLKSOURCE_SYSCLK         RCC_CFGR3_I2C1SW_SYSCLK
+
+/**
+  * @}
+  */
+/** @defgroup RCC_MCO_Index MCO Index
+  * @{
+  */
+#define RCC_MCO1                         ((uint32_t)0x00000000)
+#define RCC_MCO                          RCC_MCO1               /*!< MCO1 to be compliant with other families with 2 MCOs*/
+
+/**
+  * @}
+  */
+
+/** @defgroup RCC_MCO_Clock_Source RCC MCO Clock Source
+  * @{
+  */
+#define RCC_MCO1SOURCE_NOCLOCK            RCC_CFGR_MCO_NOCLOCK
+#define RCC_MCO1SOURCE_LSI                RCC_CFGR_MCO_LSI
+#define RCC_MCO1SOURCE_LSE                RCC_CFGR_MCO_LSE
+#define RCC_MCO1SOURCE_SYSCLK             RCC_CFGR_MCO_SYSCLK
+#define RCC_MCO1SOURCE_HSI                RCC_CFGR_MCO_HSI
+#define RCC_MCO1SOURCE_HSE                RCC_CFGR_MCO_HSE
+#define RCC_MCO1SOURCE_PLLCLK_DIV2        RCC_CFGR_MCO_PLL
+#define RCC_MCO1SOURCE_HSI14              RCC_CFGR_MCO_HSI14
+
+/**
+  * @}
+  */
+  
+/** @defgroup RCC_Interrupt Interrupts
+  * @{
+  */
+#define RCC_IT_LSIRDY                    ((uint8_t)RCC_CIR_LSIRDYF)   /*!< LSI Ready Interrupt flag */
+#define RCC_IT_LSERDY                    ((uint8_t)RCC_CIR_LSERDYF)   /*!< LSE Ready Interrupt flag */
+#define RCC_IT_HSIRDY                    ((uint8_t)RCC_CIR_HSIRDYF)   /*!< HSI Ready Interrupt flag */
+#define RCC_IT_HSERDY                    ((uint8_t)RCC_CIR_HSERDYF)   /*!< HSE Ready Interrupt flag */
+#define RCC_IT_PLLRDY                    ((uint8_t)RCC_CIR_PLLRDYF)   /*!< PLL Ready Interrupt flag */
+#define RCC_IT_HSI14RDY                  ((uint8_t)RCC_CIR_HSI14RDYF) /*!< HSI14 Ready Interrupt flag */
+#if defined(RCC_CIR_HSI48RDYF)
+#define RCC_IT_HSI48RDY                  ((uint8_t)RCC_CIR_HSI48RDYF) /*!< HSI48 Ready Interrupt flag */
+#endif
+#define RCC_IT_CSS                       ((uint8_t)RCC_CIR_CSSF)      /*!< Clock Security System Interrupt flag */
+/**
+  * @}
+  */ 
+  
+/** @defgroup RCC_Flag Flags
+  *        Elements values convention: XXXYYYYYb
+  *           - YYYYY  : Flag position in the register
+  *           - XXX  : Register index
+  *                 - 001: CR register
+  *                 - 010: CR2 register
+  *                 - 011: BDCR register
+  *                 - 0100: CSR register
+  * @{
+  */
+/* Flags in the CR register */
+#define RCC_FLAG_HSIRDY                  ((uint8_t)((CR_REG_INDEX << 5) | RCC_CR_HSIRDY_BitNumber))
+#define RCC_FLAG_HSERDY                  ((uint8_t)((CR_REG_INDEX << 5) | RCC_CR_HSERDY_BitNumber))
+#define RCC_FLAG_PLLRDY                  ((uint8_t)((CR_REG_INDEX << 5) | RCC_CR_PLLRDY_BitNumber))
+/* Flags in the CR2 register */
+#define RCC_FLAG_HSI14RDY                ((uint8_t)((CR2_REG_INDEX << 5) | RCC_CR2_HSI14RDY_BitNumber))
+
+/* Flags in the CSR register */
+#define RCC_FLAG_LSIRDY                  ((uint8_t)((CSR_REG_INDEX << 5) | RCC_CSR_LSIRDY_BitNumber))
+#if   defined(RCC_CSR_V18PWRRSTF)
+#define RCC_FLAG_V18PWRRST               ((uint8_t)((CSR_REG_INDEX << 5) | RCC_CSR_V18PWRRSTF_BitNumber))
+#endif
+#define RCC_FLAG_OBLRST                  ((uint8_t)((CSR_REG_INDEX << 5) | RCC_CSR_OBLRSTF_BitNumber))
+#define RCC_FLAG_PINRST                  ((uint8_t)((CSR_REG_INDEX << 5) | RCC_CSR_PINRSTF_BitNumber))      /*!< PIN reset flag */
+#define RCC_FLAG_PORRST                  ((uint8_t)((CSR_REG_INDEX << 5) | RCC_CSR_PORRSTF_BitNumber))      /*!< POR/PDR reset flag */
+#define RCC_FLAG_SFTRST                  ((uint8_t)((CSR_REG_INDEX << 5) | RCC_CSR_SFTRSTF_BitNumber))      /*!< Software Reset flag */
+#define RCC_FLAG_IWDGRST                 ((uint8_t)((CSR_REG_INDEX << 5) | RCC_CSR_IWDGRSTF_BitNumber))     /*!< Independent Watchdog reset flag */
+#define RCC_FLAG_WWDGRST                 ((uint8_t)((CSR_REG_INDEX << 5) | RCC_CSR_WWDGRSTF_BitNumber))     /*!< Window watchdog reset flag */
+#define RCC_FLAG_LPWRRST                 ((uint8_t)((CSR_REG_INDEX << 5) | RCC_CSR_LPWRRSTF_BitNumber))     /*!< Low-Power reset flag */
+
+/* Flags in the BDCR register */
+#define RCC_FLAG_LSERDY                  ((uint8_t)((BDCR_REG_INDEX << 5) | RCC_BDCR_LSERDY_BitNumber))     /*!< External Low Speed oscillator Ready */
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+/* Exported macro ------------------------------------------------------------*/
+
+/** @defgroup RCC_Exported_Macros RCC Exported Macros
+  * @{
+  */
+
+/** @defgroup RCC_AHB_Clock_Enable_Disable RCC AHB Clock Enable Disable
+  * @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.
+  * @{  
+  */
+#define __HAL_RCC_GPIOA_CLK_ENABLE()   do { \
+                                        __IO uint32_t tmpreg; \
+                                        SET_BIT(RCC->AHBENR, RCC_AHBENR_GPIOAEN);\
+                                        /* Delay after an RCC peripheral clock enabling */\
+                                        tmpreg = READ_BIT(RCC->AHBENR, RCC_AHBENR_GPIOAEN);\
+                                        UNUSED(tmpreg); \
+                                      } while(0)
+#define __HAL_RCC_GPIOB_CLK_ENABLE()   do { \
+                                        __IO uint32_t tmpreg; \
+                                        SET_BIT(RCC->AHBENR, RCC_AHBENR_GPIOBEN);\
+                                        /* Delay after an RCC peripheral clock enabling */\
+                                        tmpreg = READ_BIT(RCC->AHBENR, RCC_AHBENR_GPIOBEN);\
+                                        UNUSED(tmpreg); \
+                                      } while(0)
+#define __HAL_RCC_GPIOC_CLK_ENABLE()   do { \
+                                        __IO uint32_t tmpreg; \
+                                        SET_BIT(RCC->AHBENR, RCC_AHBENR_GPIOCEN);\
+                                        /* Delay after an RCC peripheral clock enabling */\
+                                        tmpreg = READ_BIT(RCC->AHBENR, RCC_AHBENR_GPIOCEN);\
+                                        UNUSED(tmpreg); \
+                                      } while(0)
+#define __HAL_RCC_GPIOF_CLK_ENABLE()   do { \
+                                        __IO uint32_t tmpreg; \
+                                        SET_BIT(RCC->AHBENR, RCC_AHBENR_GPIOFEN);\
+                                        /* Delay after an RCC peripheral clock enabling */\
+                                        tmpreg = READ_BIT(RCC->AHBENR, RCC_AHBENR_GPIOFEN);\
+                                        UNUSED(tmpreg); \
+                                      } while(0)
+#define __HAL_RCC_CRC_CLK_ENABLE()   do { \
+                                        __IO uint32_t tmpreg; \
+                                        SET_BIT(RCC->AHBENR, RCC_AHBENR_CRCEN);\
+                                        /* Delay after an RCC peripheral clock enabling */\
+                                        tmpreg = READ_BIT(RCC->AHBENR, RCC_AHBENR_CRCEN);\
+                                        UNUSED(tmpreg); \
+                                      } while(0)
+#define __HAL_RCC_DMA1_CLK_ENABLE()   do { \
+                                        __IO uint32_t tmpreg; \
+                                        SET_BIT(RCC->AHBENR, RCC_AHBENR_DMA1EN);\
+                                        /* Delay after an RCC peripheral clock enabling */\
+                                        tmpreg = READ_BIT(RCC->AHBENR, RCC_AHBENR_DMA1EN);\
+                                        UNUSED(tmpreg); \
+                                      } while(0)
+#define __HAL_RCC_SRAM_CLK_ENABLE()   do { \
+                                        __IO uint32_t tmpreg; \
+                                        SET_BIT(RCC->AHBENR, RCC_AHBENR_SRAMEN);\
+                                        /* Delay after an RCC peripheral clock enabling */\
+                                        tmpreg = READ_BIT(RCC->AHBENR, RCC_AHBENR_SRAMEN);\
+                                        UNUSED(tmpreg); \
+                                      } while(0)
+#define __HAL_RCC_FLITF_CLK_ENABLE()   do { \
+                                        __IO uint32_t tmpreg; \
+                                        SET_BIT(RCC->AHBENR, RCC_AHBENR_FLITFEN);\
+                                        /* Delay after an RCC peripheral clock enabling */\
+                                        tmpreg = READ_BIT(RCC->AHBENR, RCC_AHBENR_FLITFEN);\
+                                        UNUSED(tmpreg); \
+                                      } while(0)
+
+#define __HAL_RCC_GPIOA_CLK_DISABLE()        (RCC->AHBENR &= ~(RCC_AHBENR_GPIOAEN))
+#define __HAL_RCC_GPIOB_CLK_DISABLE()        (RCC->AHBENR &= ~(RCC_AHBENR_GPIOBEN))
+#define __HAL_RCC_GPIOC_CLK_DISABLE()        (RCC->AHBENR &= ~(RCC_AHBENR_GPIOCEN))
+#define __HAL_RCC_GPIOF_CLK_DISABLE()        (RCC->AHBENR &= ~(RCC_AHBENR_GPIOFEN))
+#define __HAL_RCC_CRC_CLK_DISABLE()          (RCC->AHBENR &= ~(RCC_AHBENR_CRCEN))
+#define __HAL_RCC_DMA1_CLK_DISABLE()         (RCC->AHBENR &= ~(RCC_AHBENR_DMA1EN))
+#define __HAL_RCC_SRAM_CLK_DISABLE()         (RCC->AHBENR &= ~(RCC_AHBENR_SRAMEN))
+#define __HAL_RCC_FLITF_CLK_DISABLE()        (RCC->AHBENR &= ~(RCC_AHBENR_FLITFEN))
+/**
+  * @}
+  */
+
+/** @defgroup RCC_AHB_Peripheral_Clock_Enable_Disable_Status AHB Peripheral Clock Enable Disable Status
+  * @brief  Get the enable or disable status of 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.
+  * @{
+  */
+#define __HAL_RCC_GPIOA_IS_CLK_ENABLED()     ((RCC->AHBENR & (RCC_AHBENR_GPIOAEN)) != RESET)
+#define __HAL_RCC_GPIOB_IS_CLK_ENABLED()     ((RCC->AHBENR & (RCC_AHBENR_GPIOBEN)) != RESET)
+#define __HAL_RCC_GPIOC_IS_CLK_ENABLED()     ((RCC->AHBENR & (RCC_AHBENR_GPIOCEN)) != RESET)
+#define __HAL_RCC_GPIOF_IS_CLK_ENABLED()     ((RCC->AHBENR & (RCC_AHBENR_GPIOFEN)) != RESET)
+#define __HAL_RCC_CRC_IS_CLK_ENABLED()       ((RCC->AHBENR & (RCC_AHBENR_CRCEN))   != RESET)
+#define __HAL_RCC_DMA1_IS_CLK_ENABLED()      ((RCC->AHBENR & (RCC_AHBENR_DMA1EN))  != RESET)
+#define __HAL_RCC_SRAM_IS_CLK_ENABLED()      ((RCC->AHBENR & (RCC_AHBENR_SRAMEN))  != RESET)
+#define __HAL_RCC_FLITF_IS_CLK_ENABLED()     ((RCC->AHBENR & (RCC_AHBENR_FLITFEN)) != RESET)
+#define __HAL_RCC_GPIOA_IS_CLK_DISABLED()    ((RCC->AHBENR & (RCC_AHBENR_GPIOAEN)) == RESET)
+#define __HAL_RCC_GPIOB_IS_CLK_DISABLED()    ((RCC->AHBENR & (RCC_AHBENR_GPIOBEN)) == RESET)
+#define __HAL_RCC_GPIOC_IS_CLK_DISABLED()    ((RCC->AHBENR & (RCC_AHBENR_GPIOCEN)) == RESET)
+#define __HAL_RCC_GPIOF_IS_CLK_DISABLED()    ((RCC->AHBENR & (RCC_AHBENR_GPIOFEN)) == RESET)
+#define __HAL_RCC_CRC_IS_CLK_DISABLED()      ((RCC->AHBENR & (RCC_AHBENR_CRCEN))   == RESET)
+#define __HAL_RCC_DMA1_IS_CLK_DISABLED()     ((RCC->AHBENR & (RCC_AHBENR_DMA1EN))  == RESET)
+#define __HAL_RCC_SRAM_IS_CLK_DISABLED()     ((RCC->AHBENR & (RCC_AHBENR_SRAMEN))  == RESET)
+#define __HAL_RCC_FLITF_IS_CLK_DISABLED()    ((RCC->AHBENR & (RCC_AHBENR_FLITFEN)) == RESET)
+/**
+  * @}
+  */
+  
+/** @defgroup RCC_APB1_Clock_Enable_Disable RCC APB1 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_TIM3_CLK_ENABLE()   do { \
+                                        __IO uint32_t tmpreg; \
+                                        SET_BIT(RCC->APB1ENR, RCC_APB1ENR_TIM3EN);\
+                                        /* Delay after an RCC peripheral clock enabling */\
+                                        tmpreg = READ_BIT(RCC->APB1ENR, RCC_APB1ENR_TIM3EN);\
+                                        UNUSED(tmpreg); \
+                                      } while(0)
+#define __HAL_RCC_TIM14_CLK_ENABLE()   do { \
+                                        __IO uint32_t tmpreg; \
+                                        SET_BIT(RCC->APB1ENR, RCC_APB1ENR_TIM14EN);\
+                                        /* Delay after an RCC peripheral clock enabling */\
+                                        tmpreg = READ_BIT(RCC->APB1ENR, RCC_APB1ENR_TIM14EN);\
+                                        UNUSED(tmpreg); \
+                                      } while(0)
+#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_I2C1_CLK_ENABLE()   do { \
+                                        __IO uint32_t tmpreg; \
+                                        SET_BIT(RCC->APB1ENR, RCC_APB1ENR_I2C1EN);\
+                                        /* Delay after an RCC peripheral clock enabling */\
+                                        tmpreg = READ_BIT(RCC->APB1ENR, RCC_APB1ENR_I2C1EN);\
+                                        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_TIM3_CLK_DISABLE()   (RCC->APB1ENR &= ~(RCC_APB1ENR_TIM3EN))
+#define __HAL_RCC_TIM14_CLK_DISABLE()  (RCC->APB1ENR &= ~(RCC_APB1ENR_TIM14EN))
+#define __HAL_RCC_WWDG_CLK_DISABLE()   (RCC->APB1ENR &= ~(RCC_APB1ENR_WWDGEN))
+#define __HAL_RCC_I2C1_CLK_DISABLE()   (RCC->APB1ENR &= ~(RCC_APB1ENR_I2C1EN))
+#define __HAL_RCC_PWR_CLK_DISABLE()    (RCC->APB1ENR &= ~(RCC_APB1ENR_PWREN))
+/**
+  * @}
+  */
+
+/** @defgroup RCC_APB1_Peripheral_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_TIM3_IS_CLK_ENABLED()   ((RCC->APB1ENR & (RCC_APB1ENR_TIM3EN))  != RESET)
+#define __HAL_RCC_TIM14_IS_CLK_ENABLED()  ((RCC->APB1ENR & (RCC_APB1ENR_TIM14EN)) != RESET)
+#define __HAL_RCC_WWDG_IS_CLK_ENABLED()   ((RCC->APB1ENR & (RCC_APB1ENR_WWDGEN))  != RESET)
+#define __HAL_RCC_I2C1_IS_CLK_ENABLED()   ((RCC->APB1ENR & (RCC_APB1ENR_I2C1EN))  != RESET)
+#define __HAL_RCC_PWR_IS_CLK_ENABLED()    ((RCC->APB1ENR & (RCC_APB1ENR_PWREN))   != RESET)
+#define __HAL_RCC_TIM3_IS_CLK_DISABLED()  ((RCC->APB1ENR & (RCC_APB1ENR_TIM3EN))  == RESET)
+#define __HAL_RCC_TIM14_IS_CLK_DISABLED() ((RCC->APB1ENR & (RCC_APB1ENR_TIM14EN)) == RESET)
+#define __HAL_RCC_WWDG_IS_CLK_DISABLED()  ((RCC->APB1ENR & (RCC_APB1ENR_WWDGEN))  == RESET)
+#define __HAL_RCC_I2C1_IS_CLK_DISABLED()  ((RCC->APB1ENR & (RCC_APB1ENR_I2C1EN))  == RESET)
+#define __HAL_RCC_PWR_IS_CLK_DISABLED()   ((RCC->APB1ENR & (RCC_APB1ENR_PWREN))   == RESET)
+/**
+  * @}
+  */
+  
+  
+/** @defgroup RCC_APB2_Clock_Enable_Disable RCC APB2 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_ADC1_CLK_ENABLE()   do { \
+                                        __IO uint32_t tmpreg; \
+                                        SET_BIT(RCC->APB2ENR, RCC_APB2ENR_ADC1EN);\
+                                        /* Delay after an RCC peripheral clock enabling */\
+                                        tmpreg = READ_BIT(RCC->APB2ENR, RCC_APB2ENR_ADC1EN);\
+                                        UNUSED(tmpreg); \
+                                      } while(0)
+#define __HAL_RCC_TIM1_CLK_ENABLE()   do { \
+                                        __IO uint32_t tmpreg; \
+                                        SET_BIT(RCC->APB2ENR, RCC_APB2ENR_TIM1EN);\
+                                        /* Delay after an RCC peripheral clock enabling */\
+                                        tmpreg = READ_BIT(RCC->APB2ENR, RCC_APB2ENR_TIM1EN);\
+                                        UNUSED(tmpreg); \
+                                      } while(0)
+#define __HAL_RCC_SPI1_CLK_ENABLE()   do { \
+                                        __IO uint32_t tmpreg; \
+                                        SET_BIT(RCC->APB2ENR, RCC_APB2ENR_SPI1EN);\
+                                        /* Delay after an RCC peripheral clock enabling */\
+                                        tmpreg = READ_BIT(RCC->APB2ENR, RCC_APB2ENR_SPI1EN);\
+                                        UNUSED(tmpreg); \
+                                      } while(0)
+#define __HAL_RCC_TIM16_CLK_ENABLE()   do { \
+                                        __IO uint32_t tmpreg; \
+                                        SET_BIT(RCC->APB2ENR, RCC_APB2ENR_TIM16EN);\
+                                        /* Delay after an RCC peripheral clock enabling */\
+                                        tmpreg = READ_BIT(RCC->APB2ENR, RCC_APB2ENR_TIM16EN);\
+                                        UNUSED(tmpreg); \
+                                      } while(0)
+#define __HAL_RCC_TIM17_CLK_ENABLE()   do { \
+                                        __IO uint32_t tmpreg; \
+                                        SET_BIT(RCC->APB2ENR, RCC_APB2ENR_TIM17EN);\
+                                        /* Delay after an RCC peripheral clock enabling */\
+                                        tmpreg = READ_BIT(RCC->APB2ENR, RCC_APB2ENR_TIM17EN);\
+                                        UNUSED(tmpreg); \
+                                      } while(0)
+#define __HAL_RCC_USART1_CLK_ENABLE()   do { \
+                                        __IO uint32_t tmpreg; \
+                                        SET_BIT(RCC->APB2ENR, RCC_APB2ENR_USART1EN);\
+                                        /* Delay after an RCC peripheral clock enabling */\
+                                        tmpreg = READ_BIT(RCC->APB2ENR, RCC_APB2ENR_USART1EN);\
+                                        UNUSED(tmpreg); \
+                                      } while(0)
+#define __HAL_RCC_DBGMCU_CLK_ENABLE()   do { \
+                                        __IO uint32_t tmpreg; \
+                                        SET_BIT(RCC->APB2ENR, RCC_APB2ENR_DBGMCUEN);\
+                                        /* Delay after an RCC peripheral clock enabling */\
+                                        tmpreg = READ_BIT(RCC->APB2ENR, RCC_APB2ENR_DBGMCUEN);\
+                                        UNUSED(tmpreg); \
+                                      } while(0)
+
+#define __HAL_RCC_SYSCFG_CLK_DISABLE() (RCC->APB2ENR &= ~(RCC_APB2ENR_SYSCFGEN))
+#define __HAL_RCC_ADC1_CLK_DISABLE()   (RCC->APB2ENR &= ~(RCC_APB2ENR_ADC1EN))
+#define __HAL_RCC_TIM1_CLK_DISABLE()   (RCC->APB2ENR &= ~(RCC_APB2ENR_TIM1EN))
+#define __HAL_RCC_SPI1_CLK_DISABLE()   (RCC->APB2ENR &= ~(RCC_APB2ENR_SPI1EN))
+#define __HAL_RCC_TIM16_CLK_DISABLE()  (RCC->APB2ENR &= ~(RCC_APB2ENR_TIM16EN))
+#define __HAL_RCC_TIM17_CLK_DISABLE()  (RCC->APB2ENR &= ~(RCC_APB2ENR_TIM17EN))
+#define __HAL_RCC_USART1_CLK_DISABLE() (RCC->APB2ENR &= ~(RCC_APB2ENR_USART1EN))
+#define __HAL_RCC_DBGMCU_CLK_DISABLE() (RCC->APB2ENR &= ~(RCC_APB2ENR_DBGMCUEN))
+/**
+  * @}
+  */
+
+/** @defgroup RCC_APB2_Peripheral_Clock_Enable_Disable_Status APB2 Peripheral Clock Enable Disable Status
+  * @brief  Get 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_ADC1_IS_CLK_ENABLED()       ((RCC->APB2ENR & (RCC_APB2ENR_ADC1EN))   != RESET)
+#define __HAL_RCC_TIM1_IS_CLK_ENABLED()       ((RCC->APB2ENR & (RCC_APB2ENR_TIM1EN))   != RESET)
+#define __HAL_RCC_SPI1_IS_CLK_ENABLED()       ((RCC->APB2ENR & (RCC_APB2ENR_SPI1EN))   != RESET)
+#define __HAL_RCC_TIM16_IS_CLK_ENABLED()      ((RCC->APB2ENR & (RCC_APB2ENR_TIM16EN))  != RESET)
+#define __HAL_RCC_TIM17_IS_CLK_ENABLED()      ((RCC->APB2ENR & (RCC_APB2ENR_TIM17EN))  != RESET)
+#define __HAL_RCC_USART1_IS_CLK_ENABLED()     ((RCC->APB2ENR & (RCC_APB2ENR_USART1EN)) != RESET)
+#define __HAL_RCC_DBGMCU_IS_CLK_ENABLED()     ((RCC->APB2ENR & (RCC_APB2ENR_DBGMCUEN)) != RESET)
+#define __HAL_RCC_SYSCFG_IS_CLK_DISABLED()    ((RCC->APB2ENR & (RCC_APB2ENR_SYSCFGEN)) == RESET)
+#define __HAL_RCC_ADC1_IS_CLK_DISABLED()      ((RCC->APB2ENR & (RCC_APB2ENR_ADC1EN))   == RESET)
+#define __HAL_RCC_TIM1_IS_CLK_DISABLED()      ((RCC->APB2ENR & (RCC_APB2ENR_TIM1EN))   == RESET)
+#define __HAL_RCC_SPI1_IS_CLK_DISABLED()      ((RCC->APB2ENR & (RCC_APB2ENR_SPI1EN))   == RESET)
+#define __HAL_RCC_TIM16_IS_CLK_DISABLED()     ((RCC->APB2ENR & (RCC_APB2ENR_TIM16EN))  == RESET)
+#define __HAL_RCC_TIM17_IS_CLK_DISABLED()     ((RCC->APB2ENR & (RCC_APB2ENR_TIM17EN))  == RESET)
+#define __HAL_RCC_USART1_IS_CLK_DISABLED()    ((RCC->APB2ENR & (RCC_APB2ENR_USART1EN)) == RESET)
+#define __HAL_RCC_DBGMCU_IS_CLK_DISABLED()    ((RCC->APB2ENR & (RCC_APB2ENR_DBGMCUEN)) == RESET)
+/**
+  * @}
+  */
+  
+/** @defgroup RCC_AHB_Force_Release_Reset RCC AHB Force Release Reset
+  * @brief  Force or release AHB peripheral reset.
+  * @{   
+  */ 
+#define __HAL_RCC_AHB_FORCE_RESET()     (RCC->AHBRSTR = 0xFFFFFFFFU)
+#define __HAL_RCC_GPIOA_FORCE_RESET()   (RCC->AHBRSTR |= (RCC_AHBRSTR_GPIOARST))
+#define __HAL_RCC_GPIOB_FORCE_RESET()   (RCC->AHBRSTR |= (RCC_AHBRSTR_GPIOBRST))
+#define __HAL_RCC_GPIOC_FORCE_RESET()   (RCC->AHBRSTR |= (RCC_AHBRSTR_GPIOCRST))
+#define __HAL_RCC_GPIOF_FORCE_RESET()   (RCC->AHBRSTR |= (RCC_AHBRSTR_GPIOFRST))
+
+#define __HAL_RCC_AHB_RELEASE_RESET()   (RCC->AHBRSTR = 0x00)
+#define __HAL_RCC_GPIOA_RELEASE_RESET() (RCC->AHBRSTR &= ~(RCC_AHBRSTR_GPIOARST))
+#define __HAL_RCC_GPIOB_RELEASE_RESET() (RCC->AHBRSTR &= ~(RCC_AHBRSTR_GPIOBRST))
+#define __HAL_RCC_GPIOC_RELEASE_RESET() (RCC->AHBRSTR &= ~(RCC_AHBRSTR_GPIOCRST))
+#define __HAL_RCC_GPIOF_RELEASE_RESET() (RCC->AHBRSTR &= ~(RCC_AHBRSTR_GPIOFRST))
+/**
+  * @}
+  */
+
+/** @defgroup RCC_APB1_Force_Release_Reset RCC APB1 Force Release Reset
+  * @brief  Force or release APB1 peripheral reset.
+  * @{   
+  */  
+#define __HAL_RCC_APB1_FORCE_RESET()     (RCC->APB1RSTR = 0xFFFFFFFFU)
+#define __HAL_RCC_TIM3_FORCE_RESET()     (RCC->APB1RSTR |= (RCC_APB1RSTR_TIM3RST))
+#define __HAL_RCC_TIM14_FORCE_RESET()    (RCC->APB1RSTR |= (RCC_APB1RSTR_TIM14RST))
+#define __HAL_RCC_WWDG_FORCE_RESET()     (RCC->APB1RSTR |= (RCC_APB1RSTR_WWDGRST))
+#define __HAL_RCC_I2C1_FORCE_RESET()     (RCC->APB1RSTR |= (RCC_APB1RSTR_I2C1RST))
+#define __HAL_RCC_PWR_FORCE_RESET()      (RCC->APB1RSTR |= (RCC_APB1RSTR_PWRRST))
+
+#define __HAL_RCC_APB1_RELEASE_RESET()   (RCC->APB1RSTR = 0x00)
+#define __HAL_RCC_TIM3_RELEASE_RESET()   (RCC->APB1RSTR &= ~(RCC_APB1RSTR_TIM3RST))
+#define __HAL_RCC_TIM14_RELEASE_RESET()  (RCC->APB1RSTR &= ~(RCC_APB1RSTR_TIM14RST))
+#define __HAL_RCC_WWDG_RELEASE_RESET()   (RCC->APB1RSTR &= ~(RCC_APB1RSTR_WWDGRST))
+#define __HAL_RCC_I2C1_RELEASE_RESET()   (RCC->APB1RSTR &= ~(RCC_APB1RSTR_I2C1RST))
+#define __HAL_RCC_PWR_RELEASE_RESET()    (RCC->APB1RSTR &= ~(RCC_APB1RSTR_PWRRST))
+/**
+  * @}
+  */
+
+/** @defgroup RCC_APB2_Force_Release_Reset RCC APB2 Force Release Reset
+  * @brief  Force or release APB2 peripheral reset.
+  * @{   
+  */    
+#define __HAL_RCC_APB2_FORCE_RESET()     (RCC->APB2RSTR = 0xFFFFFFFFU)
+#define __HAL_RCC_SYSCFG_FORCE_RESET()   (RCC->APB2RSTR |= (RCC_APB2RSTR_SYSCFGRST))
+#define __HAL_RCC_ADC1_FORCE_RESET()     (RCC->APB2RSTR |= (RCC_APB2RSTR_ADC1RST))
+#define __HAL_RCC_TIM1_FORCE_RESET()     (RCC->APB2RSTR |= (RCC_APB2RSTR_TIM1RST))
+#define __HAL_RCC_SPI1_FORCE_RESET()     (RCC->APB2RSTR |= (RCC_APB2RSTR_SPI1RST))
+#define __HAL_RCC_USART1_FORCE_RESET()   (RCC->APB2RSTR |= (RCC_APB2RSTR_USART1RST))
+#define __HAL_RCC_TIM16_FORCE_RESET()    (RCC->APB2RSTR |= (RCC_APB2RSTR_TIM16RST))
+#define __HAL_RCC_TIM17_FORCE_RESET()    (RCC->APB2RSTR |= (RCC_APB2RSTR_TIM17RST))
+#define __HAL_RCC_DBGMCU_FORCE_RESET()   (RCC->APB2RSTR |= (RCC_APB2RSTR_DBGMCURST))
+
+#define __HAL_RCC_APB2_RELEASE_RESET()   (RCC->APB2RSTR = 0x00)
+#define __HAL_RCC_SYSCFG_RELEASE_RESET() (RCC->APB2RSTR &= ~(RCC_APB2RSTR_SYSCFGRST))
+#define __HAL_RCC_ADC1_RELEASE_RESET()   (RCC->APB2RSTR &= ~(RCC_APB2RSTR_ADC1RST))
+#define __HAL_RCC_TIM1_RELEASE_RESET()   (RCC->APB2RSTR &= ~(RCC_APB2RSTR_TIM1RST))
+#define __HAL_RCC_SPI1_RELEASE_RESET()   (RCC->APB2RSTR &= ~(RCC_APB2RSTR_SPI1RST))
+#define __HAL_RCC_USART1_RELEASE_RESET() (RCC->APB2RSTR &= ~(RCC_APB2RSTR_USART1RST))
+#define __HAL_RCC_TIM16_RELEASE_RESET()  (RCC->APB2RSTR &= ~(RCC_APB2RSTR_TIM16RST))
+#define __HAL_RCC_TIM17_RELEASE_RESET()  (RCC->APB2RSTR &= ~(RCC_APB2RSTR_TIM17RST))
+#define __HAL_RCC_DBGMCU_RELEASE_RESET() (RCC->APB2RSTR &= ~(RCC_APB2RSTR_DBGMCURST))
+/**
+  * @}
+  */
+/** @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.
+  * @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()  SET_BIT(RCC->CR, RCC_CR_HSION)
+#define __HAL_RCC_HSI_DISABLE() CLEAR_BIT(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.
+  *         (default is RCC_HSICALIBRATION_DEFAULT).
+  *         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_) << RCC_CR_HSITRIM_BitNumber)
+
+/**
+  * @}
+  */
+
+/** @defgroup RCC_LSI_Configuration  LSI Configuration
+  * @{   
+  */
+
+/** @brief Macro to enable 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.
+  */
+#define __HAL_RCC_LSI_ENABLE() SET_BIT(RCC->CSR, RCC_CSR_LSION)
+
+/** @brief Macro to disable the Internal Low Speed oscillator (LSI).
+  * @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_DISABLE() CLEAR_BIT(RCC->CSR, RCC_CSR_LSION)
+
+/**
+  * @}
+  */
+
+/** @defgroup RCC_HSE_Configuration HSE Configuration
+  * @{   
+  */
+
+/**
+  * @brief  Macro to configure the External High Speed oscillator (HSE).
+  * @note   Transition HSE Bypass to HSE On and HSE On to HSE Bypass are not
+  *         supported by this macro. User should request a transition to HSE Off
+  *         first and then HSE On or HSE Bypass.
+  * @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 @ref RCC_HSE_OFF turn OFF the HSE oscillator, HSERDY flag goes low after
+  *                              6 HSE oscillator clock cycles.
+  *            @arg @ref RCC_HSE_ON turn ON the HSE oscillator
+  *            @arg @ref RCC_HSE_BYPASS HSE oscillator bypassed with external clock
+  */
+#define __HAL_RCC_HSE_CONFIG(__STATE__)                                     \
+                    do{                                                     \
+                      if ((__STATE__) == RCC_HSE_ON)                        \
+                      {                                                     \
+                        SET_BIT(RCC->CR, RCC_CR_HSEON);                     \
+                      }                                                     \
+                      else if ((__STATE__) == RCC_HSE_OFF)                  \
+                      {                                                     \
+                        CLEAR_BIT(RCC->CR, RCC_CR_HSEON);                   \
+                        CLEAR_BIT(RCC->CR, RCC_CR_HSEBYP);                  \
+                      }                                                     \
+                      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_HSEON);                   \
+                        CLEAR_BIT(RCC->CR, RCC_CR_HSEBYP);                  \
+                      }                                                     \
+                    }while(0)
+
+/**
+  * @brief  Macro to configure the External High Speed oscillator (HSE) Predivision factor for PLL.
+  * @note   Predivision factor can not be changed if PLL is used as system clock
+  *         In this case, you have to select another source of the system clock, disable the PLL and
+  *         then change the HSE predivision factor.
+  * @param  __HSE_PREDIV_VALUE__ specifies the division value applied to HSE.
+  *         This parameter must be a number between RCC_HSE_PREDIV_DIV1 and RCC_HSE_PREDIV_DIV16.
+  */
+#define __HAL_RCC_HSE_PREDIV_CONFIG(__HSE_PREDIV_VALUE__) \
+                  MODIFY_REG(RCC->CFGR2, RCC_CFGR2_PREDIV, (uint32_t)(__HSE_PREDIV_VALUE__))
+
+/**
+  * @}
+  */
+
+/** @defgroup RCC_LSE_Configuration LSE Configuration
+  * @{   
+  */
+
+/**
+  * @brief  Macro to configure the External Low Speed oscillator (LSE).
+  * @note Transitions LSE Bypass to LSE On and LSE On to LSE Bypass are not supported by this macro. 
+  * @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 
+  *         @ref 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 @ref RCC_LSE_OFF turn OFF the LSE oscillator, LSERDY flag goes low after
+  *                              6 LSE oscillator clock cycles.
+  *            @arg @ref RCC_LSE_ON turn ON the LSE oscillator.
+  *            @arg @ref RCC_LSE_BYPASS LSE oscillator bypassed with external clock.
+  */
+#define __HAL_RCC_LSE_CONFIG(__STATE__)                                     \
+                    do{                                                     \
+                      if ((__STATE__) == RCC_LSE_ON)                        \
+                      {                                                     \
+                        SET_BIT(RCC->BDCR, RCC_BDCR_LSEON);                   \
+                      }                                                     \
+                      else if ((__STATE__) == RCC_LSE_OFF)                  \
+                      {                                                     \
+                        CLEAR_BIT(RCC->BDCR, RCC_BDCR_LSEON);                 \
+                        CLEAR_BIT(RCC->BDCR, RCC_BDCR_LSEBYP);                \
+                      }                                                     \
+                      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_LSEON);                 \
+                        CLEAR_BIT(RCC->BDCR, RCC_BDCR_LSEBYP);                \
+                      }                                                     \
+                    }while(0)
+
+/**
+  * @}
+  */
+
+/** @defgroup RCC_HSI14_Configuration RCC_HSI14_Configuration
+  * @{   
+  */
+    
+/** @brief  Macro to enable the Internal 14Mhz High Speed oscillator (HSI14).
+  * @note   After enabling the HSI14 with @ref __HAL_RCC_HSI14_ENABLE(), the application software 
+  *         should wait on HSI14RDY flag to be set indicating that HSI clock is stable and can be 
+  *         used as system clock source. This is not necessary if @ref HAL_RCC_OscConfig() is used.
+  *         clock cycles.
+  */
+#define __HAL_RCC_HSI14_ENABLE()  SET_BIT(RCC->CR2, RCC_CR2_HSI14ON)
+
+/** @brief  Macro to disable the Internal 14Mhz High Speed oscillator (HSI14).
+  * @note   The HSI14 is stopped by hardware when entering STOP and STANDBY modes.
+  * @note   HSI14 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   When the HSI14 is stopped, HSI14RDY flag goes low after 6 HSI14 oscillator
+  *         clock cycles.
+  */
+#define __HAL_RCC_HSI14_DISABLE() CLEAR_BIT(RCC->CR2, RCC_CR2_HSI14ON)
+
+/** @brief Macro to enable the Internal 14Mhz High Speed oscillator (HSI14) used by ADC.
+  */
+#define __HAL_RCC_HSI14ADC_ENABLE()  CLEAR_BIT(RCC->CR2, RCC_CR2_HSI14DIS)
+  
+/** @brief Macro to disable the Internal 14Mhz High Speed oscillator (HSI14) used by ADC.
+  */
+#define __HAL_RCC_HSI14ADC_DISABLE() SET_BIT(RCC->CR2, RCC_CR2_HSI14DIS)
+  
+/** @brief  Macro to adjust the Internal 14Mhz 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 HSI14 RC.
+  * @param  __HSI14CALIBRATIONVALUE__ specifies the calibration trimming value 
+  *         (default is RCC_HSI14CALIBRATION_DEFAULT).
+  *         This parameter must be a number between 0 and 0x1F.
+  */
+#define __HAL_RCC_HSI14_CALIBRATIONVALUE_ADJUST(__HSI14CALIBRATIONVALUE__) \
+                  MODIFY_REG(RCC->CR2, RCC_CR2_HSI14TRIM, (uint32_t)(__HSI14CALIBRATIONVALUE__) << RCC_HSI14TRIM_BIT_NUMBER)
+/**
+  * @}
+  */
+
+/** @defgroup RCC_USARTx_Clock_Config RCC USARTx Clock Config
+  * @{   
+  */
+    
+/** @brief  Macro to configure the USART1 clock (USART1CLK).
+  * @param  __USART1CLKSOURCE__ specifies the USART1 clock source.
+  *         This parameter can be one of the following values:
+  *            @arg @ref RCC_USART1CLKSOURCE_PCLK1 PCLK1 selected as USART1 clock
+  *            @arg @ref RCC_USART1CLKSOURCE_HSI HSI selected as USART1 clock
+  *            @arg @ref RCC_USART1CLKSOURCE_SYSCLK System Clock selected as USART1 clock
+  *            @arg @ref RCC_USART1CLKSOURCE_LSE LSE selected as USART1 clock
+  */
+#define __HAL_RCC_USART1_CONFIG(__USART1CLKSOURCE__) \
+                  MODIFY_REG(RCC->CFGR3, RCC_CFGR3_USART1SW, (uint32_t)(__USART1CLKSOURCE__))
+
+/** @brief  Macro to get the USART1 clock source.
+  * @retval The clock source can be one of the following values:
+  *            @arg @ref RCC_USART1CLKSOURCE_PCLK1 PCLK1 selected as USART1 clock
+  *            @arg @ref RCC_USART1CLKSOURCE_HSI HSI selected as USART1 clock
+  *            @arg @ref RCC_USART1CLKSOURCE_SYSCLK System Clock selected as USART1 clock
+  *            @arg @ref RCC_USART1CLKSOURCE_LSE LSE selected as USART1 clock
+  */
+#define __HAL_RCC_GET_USART1_SOURCE() ((uint32_t)(READ_BIT(RCC->CFGR3, RCC_CFGR3_USART1SW)))
+
+/**
+  * @}
+  */
+
+/** @defgroup RCC_I2Cx_Clock_Config RCC I2Cx Clock Config
+  * @{   
+  */
+
+/** @brief  Macro to configure the I2C1 clock (I2C1CLK).
+  * @param  __I2C1CLKSOURCE__ specifies the I2C1 clock source.
+  *         This parameter can be one of the following values:
+  *            @arg @ref RCC_I2C1CLKSOURCE_HSI HSI selected as I2C1 clock
+  *            @arg @ref RCC_I2C1CLKSOURCE_SYSCLK System Clock selected as I2C1 clock
+  */
+#define __HAL_RCC_I2C1_CONFIG(__I2C1CLKSOURCE__) \
+                  MODIFY_REG(RCC->CFGR3, RCC_CFGR3_I2C1SW, (uint32_t)(__I2C1CLKSOURCE__))
+
+/** @brief  Macro to get the I2C1 clock source.
+  * @retval The clock source can be one of the following values:
+  *            @arg @ref RCC_I2C1CLKSOURCE_HSI HSI selected as I2C1 clock
+  *            @arg @ref RCC_I2C1CLKSOURCE_SYSCLK System Clock selected as I2C1 clock
+  */
+#define __HAL_RCC_GET_I2C1_SOURCE() ((uint32_t)(READ_BIT(RCC->CFGR3, RCC_CFGR3_I2C1SW)))
+/**
+  * @}
+  */
+
+/** @defgroup RCC_PLL_Configuration PLL Configuration
+  * @{   
+  */
+
+/** @brief Macro to enable 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 is disabled by hardware when entering STOP and STANDBY modes.
+  */
+#define __HAL_RCC_PLL_ENABLE() SET_BIT(RCC->CR, RCC_CR_PLLON)
+
+/** @brief Macro to disable the main PLL.
+  * @note   The main PLL can not be disabled if it is used as system clock source
+  */
+#define __HAL_RCC_PLL_DISABLE() CLEAR_BIT(RCC->CR, RCC_CR_PLLON)
+
+/** @brief  Macro to configure the 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 @ref RCC_PLLSOURCE_HSI HSI oscillator clock selected as PLL clock entry
+  *            @arg @ref RCC_PLLSOURCE_HSE HSE oscillator clock selected as PLL clock entry
+  * @param  __PLLMUL__ specifies the multiplication factor for PLL VCO output clock
+  *          This parameter can be one of the following values:
+  *         This parameter must be a number between RCC_PLL_MUL2 and RCC_PLL_MUL16.
+  * @param  __PREDIV__ specifies the predivider factor for PLL VCO input clock
+  *         This parameter must be a number between RCC_PREDIV_DIV1 and RCC_PREDIV_DIV16.
+  *   
+  */
+#define __HAL_RCC_PLL_CONFIG(__RCC_PLLSOURCE__ , __PREDIV__, __PLLMUL__) \
+                  do { \
+                    MODIFY_REG(RCC->CFGR2, RCC_CFGR2_PREDIV, (__PREDIV__)); \
+                    MODIFY_REG(RCC->CFGR, RCC_CFGR_PLLMUL | RCC_CFGR_PLLSRC, (uint32_t)((__PLLMUL__)|(__RCC_PLLSOURCE__))); \
+                  } while(0)
+
+
+/** @brief  Get oscillator clock selected as PLL input clock
+  * @retval The clock source used for PLL entry. The returned value can be one
+  *         of the following:
+  *             @arg @ref RCC_PLLSOURCE_HSE HSE oscillator clock selected as PLL input clock
+  */
+#define __HAL_RCC_GET_PLL_OSCSOURCE() ((uint32_t)(READ_BIT(RCC->CFGR, RCC_CFGR_PLLSRC)))
+
+/**
+  * @}
+  */
+
+/** @defgroup RCC_Get_Clock_source Get Clock source
+  * @{   
+  */
+
+/**
+  * @brief  Macro to configure the system clock source.
+  * @param  __SYSCLKSOURCE__ specifies the system clock source.
+  *          This parameter can be one of the following values:
+  *              @arg @ref RCC_SYSCLKSOURCE_HSI HSI oscillator is used as system clock source.
+  *              @arg @ref RCC_SYSCLKSOURCE_HSE HSE oscillator is used as system clock source.
+  *              @arg @ref RCC_SYSCLKSOURCE_PLLCLK PLL output is used as system clock source.
+  */
+#define __HAL_RCC_SYSCLK_CONFIG(__SYSCLKSOURCE__) \
+                  MODIFY_REG(RCC->CFGR, RCC_CFGR_SW, (__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:
+  *             @arg @ref RCC_SYSCLKSOURCE_STATUS_HSI HSI used as system clock
+  *             @arg @ref RCC_SYSCLKSOURCE_STATUS_HSE HSE used as system clock
+  *             @arg @ref RCC_SYSCLKSOURCE_STATUS_PLLCLK PLL used as system clock
+  */
+#define __HAL_RCC_GET_SYSCLK_SOURCE() ((uint32_t)(READ_BIT(RCC->CFGR,RCC_CFGR_SWS)))
+
+/**
+  * @}
+  */
+
+/** @defgroup RCCEx_MCOx_Clock_Config RCC Extended MCOx Clock Config
+  * @{   
+  */ 
+
+#if defined(RCC_CFGR_MCOPRE)
+/** @brief  Macro to configure the MCO clock.
+  * @param  __MCOCLKSOURCE__ specifies the MCO clock source.
+  *          This parameter can be one of the following values:
+  *            @arg @ref RCC_MCO1SOURCE_NOCLOCK      No clock selected as MCO clock
+  *            @arg @ref RCC_MCO1SOURCE_SYSCLK       System Clock selected as MCO clock
+  *            @arg @ref RCC_MCO1SOURCE_HSI          HSI oscillator clock selected as MCO clock
+  *            @arg @ref RCC_MCO1SOURCE_HSE          HSE selected as MCO clock
+  *            @arg @ref RCC_MCO1SOURCE_LSI          LSI selected as MCO clock
+  *            @arg @ref RCC_MCO1SOURCE_LSE          LSE selected as MCO clock
+  *            @arg @ref RCC_MCO1SOURCE_HSI14        HSI14 selected as MCO clock
+  @if STM32F042x6
+  *            @arg @ref RCC_MCO1SOURCE_HSI48       HSI48 selected as MCO clock
+  *            @arg @ref RCC_MCO1SOURCE_PLLCLK      PLLCLK selected as MCO clock
+  @elseif STM32F048xx
+  *            @arg @ref RCC_MCO1SOURCE_HSI48       HSI48 selected as MCO clock
+  *            @arg @ref RCC_MCO1SOURCE_PLLCLK      PLLCLK selected as MCO clock
+  @elseif STM32F071xB
+  *            @arg @ref RCC_MCO1SOURCE_HSI48       HSI48 selected as MCO clock
+  *            @arg @ref RCC_MCO1SOURCE_PLLCLK      PLLCLK selected as MCO clock
+  @elseif STM32F072xB
+  *            @arg @ref RCC_MCO1SOURCE_HSI48       HSI48 selected as MCO clock
+  *            @arg @ref RCC_MCO1SOURCE_PLLCLK      PLLCLK selected as MCO clock
+  @elseif STM32F078xx
+  *            @arg @ref RCC_MCO1SOURCE_HSI48       HSI48 selected as MCO clock
+  *            @arg @ref RCC_MCO1SOURCE_PLLCLK      PLLCLK selected as MCO clock
+  @elseif STM32F091xC
+  *            @arg @ref RCC_MCO1SOURCE_HSI48       HSI48 selected as MCO clock
+  *            @arg @ref RCC_MCO1SOURCE_PLLCLK      PLLCLK selected as MCO clock
+  @elseif STM32F098xx
+  *            @arg @ref RCC_MCO1SOURCE_HSI48       HSI48 selected as MCO clock
+  *            @arg @ref RCC_MCO1SOURCE_PLLCLK      PLLCLK selected as MCO clock
+  @elseif STM32F030x6
+  *            @arg @ref RCC_MCO1SOURCE_PLLCLK      PLLCLK selected as MCO clock
+  @elseif STM32F030xC
+  *            @arg @ref RCC_MCO1SOURCE_PLLCLK      PLLCLK selected as MCO clock
+  @elseif STM32F031x6
+  *            @arg @ref RCC_MCO1SOURCE_PLLCLK      PLLCLK selected as MCO clock
+  @elseif STM32F038xx
+  *            @arg @ref RCC_MCO1SOURCE_PLLCLK      PLLCLK selected as MCO clock
+  @elseif STM32F070x6
+  *            @arg @ref RCC_MCO1SOURCE_PLLCLK      PLLCLK selected as MCO clock
+  @elseif STM32F070xB
+  *            @arg @ref RCC_MCO1SOURCE_PLLCLK      PLLCLK selected as MCO clock
+  @endif
+  *            @arg @ref RCC_MCO1SOURCE_PLLCLK_DIV2  PLLCLK Divided by 2 selected as MCO clock
+  * @param  __MCODIV__ specifies the MCO clock prescaler.
+  *          This parameter can be one of the following values:
+  *            @arg @ref RCC_MCODIV_1   MCO clock source is divided by 1
+  *            @arg @ref RCC_MCODIV_2   MCO clock source is divided by 2
+  *            @arg @ref RCC_MCODIV_4   MCO clock source is divided by 4
+  *            @arg @ref RCC_MCODIV_8   MCO clock source is divided by 8
+  *            @arg @ref RCC_MCODIV_16  MCO clock source is divided by 16
+  *            @arg @ref RCC_MCODIV_32  MCO clock source is divided by 32
+  *            @arg @ref RCC_MCODIV_64  MCO clock source is divided by 64
+  *            @arg @ref RCC_MCODIV_128 MCO clock source is divided by 128
+  */
+#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 @ref RCC_MCO1SOURCE_NOCLOCK     No clock selected as MCO clock
+  *            @arg @ref RCC_MCO1SOURCE_SYSCLK      System Clock selected as MCO clock
+  *            @arg @ref RCC_MCO1SOURCE_HSI         HSI selected as MCO clock
+  *            @arg @ref RCC_MCO1SOURCE_HSE         HSE selected as MCO clock
+  *            @arg @ref RCC_MCO1SOURCE_LSI         LSI selected as MCO clock
+  *            @arg @ref RCC_MCO1SOURCE_LSE         LSE selected as MCO clock
+  *            @arg @ref RCC_MCO1SOURCE_HSI14       HSI14 selected as MCO clock
+  *            @arg @ref RCC_MCO1SOURCE_PLLCLK_DIV2 PLLCLK Divided by 2 selected as MCO clock
+  * @param  __MCODIV__ specifies the MCO clock prescaler.
+  *         This parameter can be one of the following values:
+  *            @arg @ref RCC_MCODIV_1 No division applied on MCO clock source
+  */
+#endif
+#if   defined(RCC_CFGR_MCOPRE)
+#define __HAL_RCC_MCO1_CONFIG(__MCOCLKSOURCE__, __MCODIV__) \
+                 MODIFY_REG(RCC->CFGR, (RCC_CFGR_MCO | RCC_CFGR_MCOPRE), ((__MCOCLKSOURCE__) | (__MCODIV__)))
+#else
+
+#define __HAL_RCC_MCO1_CONFIG(__MCOCLKSOURCE__, __MCODIV__) \
+                 MODIFY_REG(RCC->CFGR, RCC_CFGR_MCO, (__MCOCLKSOURCE__))
+
+#endif
+
+/**
+  * @}
+  */
+
+  /** @defgroup RCC_RTC_Clock_Configuration RCC RTC Clock Configuration
+  * @{   
+  */
+
+/** @brief Macro 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 @ref __HAL_RCC_BACKUPRESET_FORCE() macro, or by
+  *         a Power On Reset (POR).
+  *
+  * @param  __RTC_CLKSOURCE__ specifies the RTC clock source.
+  *          This parameter can be one of the following values:
+  *             @arg @ref RCC_RTCCLKSOURCE_NO_CLK No clock selected as RTC clock
+  *             @arg @ref RCC_RTCCLKSOURCE_LSE LSE selected as RTC clock
+  *             @arg @ref RCC_RTCCLKSOURCE_LSI LSI selected as RTC clock
+  *             @arg @ref RCC_RTCCLKSOURCE_HSE_DIV32 HSE clock divided by 32
+  * @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 LSI clock and HSE clock divided by 32 is used as RTC clock source,
+  *         the RTC cannot be used in STOP and STANDBY modes.
+  * @note   The system must always be configured so as to get a PCLK frequency greater than or
+  *             equal to the RTCCLK frequency for a proper operation of the RTC.
+  */
+#define __HAL_RCC_RTC_CONFIG(__RTC_CLKSOURCE__) MODIFY_REG(RCC->BDCR, RCC_BDCR_RTCSEL, (__RTC_CLKSOURCE__))
+                                                   
+/** @brief Macro to get the RTC clock source.
+  * @retval The clock source can be one of the following values:
+  *            @arg @ref RCC_RTCCLKSOURCE_NO_CLK No clock selected as RTC clock
+  *            @arg @ref RCC_RTCCLKSOURCE_LSE LSE selected as RTC clock
+  *            @arg @ref RCC_RTCCLKSOURCE_LSI LSI selected as RTC clock
+  *            @arg @ref RCC_RTCCLKSOURCE_HSE_DIV32 HSE clock divided by 32
+  */
+#define __HAL_RCC_GET_RTC_SOURCE() (READ_BIT(RCC->BDCR, RCC_BDCR_RTCSEL))
+
+/** @brief Macro to enable the the RTC clock.
+  * @note   These macros must be used only after the RTC clock source was selected.
+  */
+#define __HAL_RCC_RTC_ENABLE() SET_BIT(RCC->BDCR, RCC_BDCR_RTCEN)
+
+/** @brief Macro to disable the the RTC clock.
+  * @note  These macros must be used only after the RTC clock source was selected.
+  */
+#define __HAL_RCC_RTC_DISABLE() CLEAR_BIT(RCC->BDCR, RCC_BDCR_RTCEN)
+
+/** @brief  Macro to force the Backup domain reset.
+  * @note   This function resets the RTC peripheral (including the backup registers)
+  *         and the RTC clock source selection in RCC_BDCR register.
+  */
+#define __HAL_RCC_BACKUPRESET_FORCE()  SET_BIT(RCC->BDCR, RCC_BDCR_BDRST) 
+
+/** @brief  Macros to release the Backup domain reset.
+  */
+#define __HAL_RCC_BACKUPRESET_RELEASE() CLEAR_BIT(RCC->BDCR, RCC_BDCR_BDRST) 
+
+/**
+  * @}
+  */
+
+/** @defgroup RCC_Flags_Interrupts_Management Flags Interrupts Management
+  * @brief macros to manage the specified RCC Flags and interrupts.
+  * @{
+  */
+
+/** @brief Enable RCC interrupt.
+  * @param  __INTERRUPT__ specifies the RCC interrupt sources to be enabled.
+  *          This parameter can be any combination of the following values:
+  *            @arg @ref RCC_IT_LSIRDY LSI ready interrupt
+  *            @arg @ref RCC_IT_LSERDY LSE ready interrupt
+  *            @arg @ref RCC_IT_HSIRDY HSI ready interrupt
+  *            @arg @ref RCC_IT_HSERDY HSE ready interrupt
+  *            @arg @ref RCC_IT_PLLRDY main PLL ready interrupt
+  *            @arg @ref RCC_IT_HSI14RDY HSI14 ready interrupt
+  @if STM32F042x6
+  *            @arg @ref RCC_IT_HSI48RDY HSI48 ready interrupt
+  @elseif STM32F048xx
+  *            @arg @ref RCC_IT_HSI48RDY HSI48 ready interrupt
+  @elseif STM32F071xB
+  *            @arg @ref RCC_IT_HSI48RDY HSI48 ready interrupt
+  @elseif STM32F072xB
+  *            @arg @ref RCC_IT_HSI48RDY HSI48 ready interrupt
+  @elseif STM32F078xx
+  *            @arg @ref RCC_IT_HSI48RDY HSI48 ready interrupt
+  @elseif STM32F091xC
+  *            @arg @ref RCC_IT_HSI48RDY HSI48 ready interrupt
+  @elseif STM32F098xx
+  *            @arg @ref RCC_IT_HSI48RDY HSI48 ready interrupt
+  @endif
+  */
+#define __HAL_RCC_ENABLE_IT(__INTERRUPT__) (*(__IO uint8_t *) RCC_CIR_BYTE1_ADDRESS |= (__INTERRUPT__))
+
+/** @brief Disable RCC interrupt.
+  * @param  __INTERRUPT__ specifies the RCC interrupt sources to be disabled.
+  *          This parameter can be any combination of the following values:
+  *            @arg @ref RCC_IT_LSIRDY LSI ready interrupt
+  *            @arg @ref RCC_IT_LSERDY LSE ready interrupt
+  *            @arg @ref RCC_IT_HSIRDY HSI ready interrupt
+  *            @arg @ref RCC_IT_HSERDY HSE ready interrupt
+  *            @arg @ref RCC_IT_PLLRDY main PLL ready interrupt
+  *            @arg @ref RCC_IT_HSI14RDY HSI14 ready interrupt
+  @if STM32F042x6
+  *            @arg @ref RCC_IT_HSI48RDY HSI48 ready interrupt
+  @elseif STM32F048xx
+  *            @arg @ref RCC_IT_HSI48RDY HSI48 ready interrupt
+  @elseif STM32F071xB
+  *            @arg @ref RCC_IT_HSI48RDY HSI48 ready interrupt
+  @elseif STM32F072xB
+  *            @arg @ref RCC_IT_HSI48RDY HSI48 ready interrupt
+  @elseif STM32F078xx
+  *            @arg @ref RCC_IT_HSI48RDY HSI48 ready interrupt
+  @elseif STM32F091xC
+  *            @arg @ref RCC_IT_HSI48RDY HSI48 ready interrupt
+  @elseif STM32F098xx
+  *            @arg @ref RCC_IT_HSI48RDY HSI48 ready interrupt
+  @endif
+  */
+#define __HAL_RCC_DISABLE_IT(__INTERRUPT__) (*(__IO uint8_t *) RCC_CIR_BYTE1_ADDRESS &= (uint8_t)(~(__INTERRUPT__)))
+
+/** @brief Clear the RCC's interrupt pending bits.
+  * @param  __INTERRUPT__ specifies the interrupt pending bit to clear.
+  *          This parameter can be any combination of the following values:
+  *            @arg @ref RCC_IT_LSIRDY LSI ready interrupt.
+  *            @arg @ref RCC_IT_LSERDY LSE ready interrupt.
+  *            @arg @ref RCC_IT_HSIRDY HSI ready interrupt.
+  *            @arg @ref RCC_IT_HSERDY HSE ready interrupt.
+  *            @arg @ref RCC_IT_PLLRDY Main PLL ready interrupt.
+  *            @arg @ref RCC_IT_CSS Clock Security System interrupt
+  *            @arg @ref RCC_IT_HSI14RDY HSI14 ready interrupt
+  @if STM32F042x6
+  *            @arg @ref RCC_IT_HSI48RDY HSI48 ready interrupt
+  @elseif STM32F048xx
+  *            @arg @ref RCC_IT_HSI48RDY HSI48 ready interrupt
+  @elseif STM32F071xB
+  *            @arg @ref RCC_IT_HSI48RDY HSI48 ready interrupt
+  @elseif STM32F072xB
+  *            @arg @ref RCC_IT_HSI48RDY HSI48 ready interrupt
+  @elseif STM32F078xx
+  *            @arg @ref RCC_IT_HSI48RDY HSI48 ready interrupt
+  @elseif STM32F091xC
+  *            @arg @ref RCC_IT_HSI48RDY HSI48 ready interrupt
+  @elseif STM32F098xx
+  *            @arg @ref RCC_IT_HSI48RDY HSI48 ready interrupt
+  @endif
+  */
+#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 @ref RCC_IT_LSIRDY LSI ready interrupt.
+  *            @arg @ref RCC_IT_LSERDY LSE ready interrupt.
+  *            @arg @ref RCC_IT_HSIRDY HSI ready interrupt.
+  *            @arg @ref RCC_IT_HSERDY HSE ready interrupt.
+  *            @arg @ref RCC_IT_PLLRDY Main PLL ready interrupt.
+  *            @arg @ref RCC_IT_CSS Clock Security System interrupt
+  *            @arg @ref RCC_IT_HSI14RDY HSI14 ready interrupt enable
+  @if STM32F042x6
+  *            @arg @ref RCC_IT_HSI48RDY HSI48 ready interrupt
+  @elseif STM32F048xx
+  *            @arg @ref RCC_IT_HSI48RDY HSI48 ready interrupt
+  @elseif STM32F071xB
+  *            @arg @ref RCC_IT_HSI48RDY HSI48 ready interrupt
+  @elseif STM32F072xB
+  *            @arg @ref RCC_IT_HSI48RDY HSI48 ready interrupt
+  @elseif STM32F078xx
+  *            @arg @ref RCC_IT_HSI48RDY HSI48 ready interrupt
+  @elseif STM32F091xC
+  *            @arg @ref RCC_IT_HSI48RDY HSI48 ready interrupt
+  @elseif STM32F098xx
+  *            @arg @ref RCC_IT_HSI48RDY HSI48 ready interrupt
+  @endif
+  * @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.
+  *         The reset flags are RCC_FLAG_PINRST, RCC_FLAG_PORRST, RCC_FLAG_SFTRST,
+  *         RCC_FLAG_OBLRST, RCC_FLAG_IWDGRST, RCC_FLAG_WWDGRST, 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 @ref RCC_FLAG_HSIRDY HSI oscillator clock ready.
+  *            @arg @ref RCC_FLAG_HSERDY HSE oscillator clock ready.
+  *            @arg @ref RCC_FLAG_PLLRDY Main PLL clock ready.
+  *            @arg @ref RCC_FLAG_HSI14RDY HSI14 oscillator clock ready
+  @if STM32F038xx
+  *            @arg @ref RCC_FLAG_V18PWRRST Reset flag of the 1.8 V domain
+  @elseif STM32F042x6
+  *            @arg @ref RCC_FLAG_HSI48RDY HSI48 oscillator clock ready
+  @elseif STM32F048xx
+  *            @arg @ref RCC_FLAG_HSI48RDY HSI48 oscillator clock ready
+  *            @arg @ref RCC_FLAG_V18PWRRST Reset flag of the 1.8 V domain
+  @elseif STM32F058xx
+  *            @arg @ref RCC_FLAG_V18PWRRST Reset flag of the 1.8 V domain
+  @elseif STM32F071xB
+  *            @arg @ref RCC_FLAG_HSI48RDY HSI48 oscillator clock ready
+  @elseif STM32F072xB
+  *            @arg @ref RCC_FLAG_HSI48RDY HSI48 oscillator clock ready
+  @elseif STM32F078xx
+  *            @arg @ref RCC_FLAG_HSI48RDY HSI48 oscillator clock ready
+  *            @arg @ref RCC_FLAG_V18PWRRST Reset flag of the 1.8 V domain
+  @elseif STM32F091xC
+  *            @arg @ref RCC_FLAG_HSI48RDY HSI48 oscillator clock ready
+  @elseif STM32F098xx
+  *            @arg @ref RCC_FLAG_HSI48RDY HSI48 oscillator clock ready
+  *            @arg @ref RCC_FLAG_V18PWRRST Reset flag of the 1.8 V domain
+  @endif
+  *            @arg @ref RCC_FLAG_LSERDY LSE oscillator clock ready.
+  *            @arg @ref RCC_FLAG_LSIRDY LSI oscillator clock ready.
+  *            @arg @ref RCC_FLAG_OBLRST Option Byte Load reset
+  *            @arg @ref RCC_FLAG_PINRST  Pin reset.
+  *            @arg @ref RCC_FLAG_PORRST  POR/PDR reset.
+  *            @arg @ref RCC_FLAG_SFTRST  Software reset.
+  *            @arg @ref RCC_FLAG_IWDGRST Independent Watchdog reset.
+  *            @arg @ref RCC_FLAG_WWDGRST Window Watchdog reset.
+  *            @arg @ref RCC_FLAG_LPWRRST Low Power reset.
+  * @retval The new state of __FLAG__ (TRUE or FALSE).
+  */
+#define __HAL_RCC_GET_FLAG(__FLAG__) (((((__FLAG__) >> 5) == CR_REG_INDEX)? RCC->CR :      \
+                                       (((__FLAG__) >> 5) == CR2_REG_INDEX)? RCC->CR2 :    \
+                                       (((__FLAG__) >> 5) == BDCR_REG_INDEX) ? RCC->BDCR : \
+                                       RCC->CSR) & ((uint32_t)1 << ((__FLAG__) & RCC_FLAG_MASK)))
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+/* Include RCC HAL Extension module */
+#include "stm32f0xx_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);
+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);
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+  
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __STM32F0xx_HAL_RCC_H */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
+