text: /**
    ******************************************************************************
    * @file    stm32g0xx_hal_i2c_ex.h
    * @author  MCD Application Team
    * @brief   Header file of I2C HAL Extended module.
    ******************************************************************************
    * @attention
    *
    * <h2><center>&copy; Copyright (c) 2018 STMicroelectronics.
    * All rights reserved.</center></h2>
    *
    * This software component is licensed by ST under BSD 3-Clause license,
    * the "License"; You may not use this file except in compliance with the
    * License. You may obtain a copy of the License at:
    *                        opensource.org/licenses/BSD-3-Clause
    *
    ******************************************************************************
    */
  
  /* Define to prevent recursive inclusion -------------------------------------*/
  #ifndef STM32G0xx_HAL_I2C_EX_H
  #define STM32G0xx_HAL_I2C_EX_H
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  /* Includes ------------------------------------------------------------------*/
  #include "stm32g0xx_hal_def.h"
  
  /** @addtogroup STM32G0xx_HAL_Driver
    * @{
    */
  
  /** @addtogroup I2CEx
    * @{
    */
  
  /* Exported types ------------------------------------------------------------*/
  /* Exported constants --------------------------------------------------------*/
  
  /** @defgroup I2CEx_Exported_Constants I2C Extended Exported Constants
    * @{
    */
  
  /** @defgroup I2CEx_Analog_Filter I2C Extended Analog Filter
    * @{
    */
  #define I2C_ANALOGFILTER_ENABLE         0x00000000U
  #define I2C_ANALOGFILTER_DISABLE        I2C_CR1_ANFOFF
  /**
    * @}
    */
  
  /** @defgroup I2CEx_FastModePlus I2C Extended Fast Mode Plus
    * @{
    */
  #define I2C_FASTMODEPLUS_PA9            SYSCFG_CFGR1_I2C_PA9_FMP                        /*!< Enable Fast Mode Plus on PA9       */
  #define I2C_FASTMODEPLUS_PA10           SYSCFG_CFGR1_I2C_PA10_FMP                       /*!< Enable Fast Mode Plus on PA10      */
  #define I2C_FASTMODEPLUS_PB6            SYSCFG_CFGR1_I2C_PB6_FMP                        /*!< Enable Fast Mode Plus on PB6       */
  #define I2C_FASTMODEPLUS_PB7            SYSCFG_CFGR1_I2C_PB7_FMP                        /*!< Enable Fast Mode Plus on PB7       */
  #define I2C_FASTMODEPLUS_PB8            SYSCFG_CFGR1_I2C_PB8_FMP                        /*!< Enable Fast Mode Plus on PB8       */
  #define I2C_FASTMODEPLUS_PB9            SYSCFG_CFGR1_I2C_PB9_FMP                        /*!< Enable Fast Mode Plus on PB9       */
  #define I2C_FASTMODEPLUS_I2C1           SYSCFG_CFGR1_I2C1_FMP                           /*!< Enable Fast Mode Plus on I2C1 pins */
  #define I2C_FASTMODEPLUS_I2C2           SYSCFG_CFGR1_I2C2_FMP                           /*!< Enable Fast Mode Plus on I2C2 pins */
  /**
    * @}
    */
  
  /**
    * @}
    */
  
  /* Exported macro ------------------------------------------------------------*/
  /* Exported functions --------------------------------------------------------*/
  
  /** @addtogroup I2CEx_Exported_Functions I2C Extended Exported Functions
    * @{
    */
  
  /** @addtogroup I2CEx_Exported_Functions_Group1 Extended features functions
    * @brief    Extended features functions
    * @{
    */
  
  /* Peripheral Control functions  ************************************************/
  HAL_StatusTypeDef HAL_I2CEx_ConfigAnalogFilter(I2C_HandleTypeDef *hi2c, uint32_t AnalogFilter);
  HAL_StatusTypeDef HAL_I2CEx_ConfigDigitalFilter(I2C_HandleTypeDef *hi2c, uint32_t DigitalFilter);
  HAL_StatusTypeDef HAL_I2CEx_EnableWakeUp(I2C_HandleTypeDef *hi2c);
  HAL_StatusTypeDef HAL_I2CEx_DisableWakeUp(I2C_HandleTypeDef *hi2c);
  void HAL_I2CEx_EnableFastModePlus(uint32_t ConfigFastModePlus);
  void HAL_I2CEx_DisableFastModePlus(uint32_t ConfigFastModePlus);
  
  /* Private constants ---------------------------------------------------------*/
  /** @defgroup I2CEx_Private_Constants I2C Extended Private Constants
    * @{
    */
  
  /**
    * @}
    */
  
  /* Private macros ------------------------------------------------------------*/
  /** @defgroup I2CEx_Private_Macro I2C Extended Private Macros
    * @{
    */
  #define IS_I2C_ANALOG_FILTER(FILTER)    (((FILTER) == I2C_ANALOGFILTER_ENABLE) || \
                                            ((FILTER) == I2C_ANALOGFILTER_DISABLE))
  
  #define IS_I2C_DIGITAL_FILTER(FILTER)   ((FILTER) <= 0x0000000FU)
  
  #define IS_I2C_FASTMODEPLUS(__CONFIG__) ((((__CONFIG__) & (I2C_FASTMODEPLUS_PA9))  == I2C_FASTMODEPLUS_PA9)     || \
                                           (((__CONFIG__) & (I2C_FASTMODEPLUS_PA10)) == I2C_FASTMODEPLUS_PA10)    || \
                                           (((__CONFIG__) & (I2C_FASTMODEPLUS_PB6))  == I2C_FASTMODEPLUS_PB6)     || \
                                           (((__CONFIG__) & (I2C_FASTMODEPLUS_PB7))  == I2C_FASTMODEPLUS_PB7)     || \
                                           (((__CONFIG__) & (I2C_FASTMODEPLUS_PB8))  == I2C_FASTMODEPLUS_PB8)     || \
                                           (((__CONFIG__) & (I2C_FASTMODEPLUS_PB9))  == I2C_FASTMODEPLUS_PB9)     || \
                                           (((__CONFIG__) & (I2C_FASTMODEPLUS_I2C1)) == I2C_FASTMODEPLUS_I2C1)    || \
                                           (((__CONFIG__) & (I2C_FASTMODEPLUS_I2C2)) == I2C_FASTMODEPLUS_I2C2))
  
  
  
  /**
    * @}
    */
  
  /* Private Functions ---------------------------------------------------------*/
  /** @defgroup I2CEx_Private_Functions I2C Extended Private Functions
    * @{
    */
  /* Private functions are defined in stm32g0xx_hal_i2c_ex.c file */
  /**
    * @}
    */
  
  /**
    * @}
    */
  
  /**
    * @}
    */
  
  /**
    * @}
    */
  
  /**
    * @}
    */
  
  #ifdef __cplusplus
  }
  #endif
  
  #endif /* STM32G0xx_HAL_I2C_EX_H */
  
  /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
  