stm32f4xx_hal_gpio_ex.h 41 KB
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/**
  ******************************************************************************
  * @file    stm32f4xx_hal_gpio_ex.h
  * @author  MCD Application Team
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  * @version V1.1.0
  * @date    19-June-2014
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  * @brief   Header file of GPIO 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 __STM32F4xx_HAL_GPIO_EX_H
#define __STM32F4xx_HAL_GPIO_EX_H

#ifdef __cplusplus
 extern "C" {
#endif

/* Includes ------------------------------------------------------------------*/
#include "stm32f4xx_hal_def.h"

/** @addtogroup STM32F4xx_HAL_Driver
  * @{
  */

/** @addtogroup GPIO
  * @{
  */ 

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

/* Exported constants --------------------------------------------------------*/

/** @defgroup GPIO_Exported_Constants
  * @{
  */ 
  
/** @defgroup GPIO_Alternat_function_selection 
  * @{
  */
  
/*------------------------- STM32F429xx/STM32F439xx---------------------------*/ 
#if defined (STM32F429xx) || defined (STM32F439xx)
/** 
  * @brief   AF 0 selection  
  */ 
#define GPIO_AF0_RTC_50Hz      ((uint8_t)0x00)  /* RTC_50Hz Alternate Function mapping                       */
#define GPIO_AF0_MCO           ((uint8_t)0x00)  /* MCO (MCO1 and MCO2) Alternate Function mapping            */
#define GPIO_AF0_TAMPER        ((uint8_t)0x00)  /* TAMPER (TAMPER_1 and TAMPER_2) Alternate Function mapping */
#define GPIO_AF0_SWJ           ((uint8_t)0x00)  /* SWJ (SWD and JTAG) Alternate Function mapping             */
#define GPIO_AF0_TRACE         ((uint8_t)0x00)  /* TRACE Alternate Function mapping                          */

/** 
  * @brief   AF 1 selection  
  */ 
#define GPIO_AF1_TIM1          ((uint8_t)0x01)  /* TIM1 Alternate Function mapping */
#define GPIO_AF1_TIM2          ((uint8_t)0x01)  /* TIM2 Alternate Function mapping */

/** 
  * @brief   AF 2 selection  
  */ 
#define GPIO_AF2_TIM3          ((uint8_t)0x02)  /* TIM3 Alternate Function mapping */
#define GPIO_AF2_TIM4          ((uint8_t)0x02)  /* TIM4 Alternate Function mapping */
#define GPIO_AF2_TIM5          ((uint8_t)0x02)  /* TIM5 Alternate Function mapping */

/** 
  * @brief   AF 3 selection  
  */ 
#define GPIO_AF3_TIM8          ((uint8_t)0x03)  /* TIM8 Alternate Function mapping  */
#define GPIO_AF3_TIM9          ((uint8_t)0x03)  /* TIM9 Alternate Function mapping  */
#define GPIO_AF3_TIM10         ((uint8_t)0x03)  /* TIM10 Alternate Function mapping */
#define GPIO_AF3_TIM11         ((uint8_t)0x03)  /* TIM11 Alternate Function mapping */

/** 
  * @brief   AF 4 selection  
  */ 
#define GPIO_AF4_I2C1          ((uint8_t)0x04)  /* I2C1 Alternate Function mapping */
#define GPIO_AF4_I2C2          ((uint8_t)0x04)  /* I2C2 Alternate Function mapping */
#define GPIO_AF4_I2C3          ((uint8_t)0x04)  /* I2C3 Alternate Function mapping */

/** 
  * @brief   AF 5 selection  
  */ 
#define GPIO_AF5_SPI1          ((uint8_t)0x05)  /* SPI1 Alternate Function mapping        */
#define GPIO_AF5_SPI2          ((uint8_t)0x05)  /* SPI2/I2S2 Alternate Function mapping   */
#define GPIO_AF5_SPI4          ((uint8_t)0x05)  /* SPI4 Alternate Function mapping        */
#define GPIO_AF5_SPI5          ((uint8_t)0x05)  /* SPI5 Alternate Function mapping        */
#define GPIO_AF5_SPI6          ((uint8_t)0x05)  /* SPI6 Alternate Function mapping        */
#define GPIO_AF5_I2S3ext       ((uint8_t)0x05)  /* I2S3ext_SD Alternate Function mapping  */

/** 
  * @brief   AF 6 selection  
  */ 
#define GPIO_AF6_SPI3          ((uint8_t)0x06)  /* SPI3/I2S3 Alternate Function mapping  */
#define GPIO_AF6_I2S2ext       ((uint8_t)0x06)  /* I2S2ext_SD Alternate Function mapping */
#define GPIO_AF6_SAI1          ((uint8_t)0x06)  /* SAI1 Alternate Function mapping       */

/** 
  * @brief   AF 7 selection  
  */ 
#define GPIO_AF7_USART1        ((uint8_t)0x07)  /* USART1 Alternate Function mapping     */
#define GPIO_AF7_USART2        ((uint8_t)0x07)  /* USART2 Alternate Function mapping     */
#define GPIO_AF7_USART3        ((uint8_t)0x07)  /* USART3 Alternate Function mapping     */
#define GPIO_AF7_I2S3ext       ((uint8_t)0x07)  /* I2S3ext_SD Alternate Function mapping */

/** 
  * @brief   AF 8 selection  
  */ 
#define GPIO_AF8_UART4         ((uint8_t)0x08)  /* UART4 Alternate Function mapping  */
#define GPIO_AF8_UART5         ((uint8_t)0x08)  /* UART5 Alternate Function mapping  */
#define GPIO_AF8_USART6        ((uint8_t)0x08)  /* USART6 Alternate Function mapping */
#define GPIO_AF8_UART7         ((uint8_t)0x08)  /* UART7 Alternate Function mapping  */
#define GPIO_AF8_UART8         ((uint8_t)0x08)  /* UART8 Alternate Function mapping  */

/** 
  * @brief   AF 9 selection 
  */ 
#define GPIO_AF9_CAN1          ((uint8_t)0x09)  /* CAN1 Alternate Function mapping    */
#define GPIO_AF9_CAN2          ((uint8_t)0x09)  /* CAN2 Alternate Function mapping    */
#define GPIO_AF9_TIM12         ((uint8_t)0x09)  /* TIM12 Alternate Function mapping   */
#define GPIO_AF9_TIM13         ((uint8_t)0x09)  /* TIM13 Alternate Function mapping   */
#define GPIO_AF9_TIM14         ((uint8_t)0x09)  /* TIM14 Alternate Function mapping   */
#define GPIO_AF9_LTDC          ((uint8_t)0x09)  /* LCD-TFT Alternate Function mapping */

/** 
  * @brief   AF 10 selection  
  */ 
#define GPIO_AF10_OTG_FS        ((uint8_t)0xA)  /* OTG_FS Alternate Function mapping */
#define GPIO_AF10_OTG_HS        ((uint8_t)0xA)  /* OTG_HS Alternate Function mapping */

/** 
  * @brief   AF 11 selection  
  */ 
#define GPIO_AF11_ETH           ((uint8_t)0x0B)  /* ETHERNET Alternate Function mapping */

/** 
  * @brief   AF 12 selection  
  */ 
#define GPIO_AF12_FMC           ((uint8_t)0xC)  /* FMC Alternate Function mapping                      */
#define GPIO_AF12_OTG_HS_FS     ((uint8_t)0xC)  /* OTG HS configured in FS, Alternate Function mapping */
#define GPIO_AF12_SDIO          ((uint8_t)0xC)  /* SDIO Alternate Function mapping                     */

/** 
  * @brief   AF 13 selection  
  */ 
#define GPIO_AF13_DCMI          ((uint8_t)0x0D)  /* DCMI Alternate Function mapping */

/** 
  * @brief   AF 14 selection  
  */
#define GPIO_AF14_LTDC          ((uint8_t)0x0E)  /* LCD-TFT Alternate Function mapping */

/** 
  * @brief   AF 15 selection  
  */ 
#define GPIO_AF15_EVENTOUT      ((uint8_t)0x0F)  /* EVENTOUT Alternate Function mapping */

#define IS_GPIO_AF(AF)   (((AF) == GPIO_AF0_RTC_50Hz)   || ((AF) == GPIO_AF9_TIM14)      || \
                          ((AF) == GPIO_AF0_MCO)        || ((AF) == GPIO_AF0_TAMPER)     || \
                          ((AF) == GPIO_AF0_SWJ)        || ((AF) == GPIO_AF0_TRACE)      || \
                          ((AF) == GPIO_AF1_TIM1)       || ((AF) == GPIO_AF1_TIM2)       || \
                          ((AF) == GPIO_AF2_TIM3)       || ((AF) == GPIO_AF2_TIM4)       || \
                          ((AF) == GPIO_AF2_TIM5)       || ((AF) == GPIO_AF3_TIM8)       || \
                          ((AF) == GPIO_AF4_I2C1)       || ((AF) == GPIO_AF4_I2C2)       || \
                          ((AF) == GPIO_AF4_I2C3)       || ((AF) == GPIO_AF5_SPI1)       || \
                          ((AF) == GPIO_AF5_SPI2)       || ((AF) == GPIO_AF9_TIM13)      || \
                          ((AF) == GPIO_AF6_SPI3)       || ((AF) == GPIO_AF9_TIM12)      || \
                          ((AF) == GPIO_AF7_USART1)     || ((AF) == GPIO_AF7_USART2)     || \
                          ((AF) == GPIO_AF7_USART3)     || ((AF) == GPIO_AF8_UART4)      || \
                          ((AF) == GPIO_AF8_UART5)      || ((AF) == GPIO_AF8_USART6)     || \
                          ((AF) == GPIO_AF9_CAN1)       || ((AF) == GPIO_AF9_CAN2)       || \
                          ((AF) == GPIO_AF10_OTG_FS)    || ((AF) == GPIO_AF10_OTG_HS)    || \
                          ((AF) == GPIO_AF11_ETH)       || ((AF) == GPIO_AF12_OTG_HS_FS) || \
                          ((AF) == GPIO_AF12_SDIO)      || ((AF) == GPIO_AF13_DCMI)      || \
                          ((AF) == GPIO_AF15_EVENTOUT)  || ((AF) == GPIO_AF5_SPI4)       || \
                          ((AF) == GPIO_AF5_SPI5)       || ((AF) == GPIO_AF5_SPI6)       || \
                          ((AF) == GPIO_AF8_UART7)      || ((AF) == GPIO_AF8_UART8)      || \
                          ((AF) == GPIO_AF12_FMC)       ||  ((AF) == GPIO_AF6_SAI1)      || \
                          ((AF) == GPIO_AF14_LTDC))

#endif /* STM32F429xx || STM32F439xx */
/*------------------------------------------------------------------------------------------*/

/*---------------------------------- STM32F427xx/STM32F437xx--------------------------------*/
#if defined (STM32F427xx) || defined (STM32F437xx)
/** 
  * @brief   AF 0 selection  
  */ 
#define GPIO_AF0_RTC_50Hz      ((uint8_t)0x00)  /* RTC_50Hz Alternate Function mapping                       */
#define GPIO_AF0_MCO           ((uint8_t)0x00)  /* MCO (MCO1 and MCO2) Alternate Function mapping            */
#define GPIO_AF0_TAMPER        ((uint8_t)0x00)  /* TAMPER (TAMPER_1 and TAMPER_2) Alternate Function mapping */
#define GPIO_AF0_SWJ           ((uint8_t)0x00)  /* SWJ (SWD and JTAG) Alternate Function mapping             */
#define GPIO_AF0_TRACE         ((uint8_t)0x00)  /* TRACE Alternate Function mapping                          */

/** 
  * @brief   AF 1 selection  
  */ 
#define GPIO_AF1_TIM1          ((uint8_t)0x01)  /* TIM1 Alternate Function mapping */
#define GPIO_AF1_TIM2          ((uint8_t)0x01)  /* TIM2 Alternate Function mapping */

/** 
  * @brief   AF 2 selection  
  */ 
#define GPIO_AF2_TIM3          ((uint8_t)0x02)  /* TIM3 Alternate Function mapping */
#define GPIO_AF2_TIM4          ((uint8_t)0x02)  /* TIM4 Alternate Function mapping */
#define GPIO_AF2_TIM5          ((uint8_t)0x02)  /* TIM5 Alternate Function mapping */

/** 
  * @brief   AF 3 selection  
  */ 
#define GPIO_AF3_TIM8          ((uint8_t)0x03)  /* TIM8 Alternate Function mapping  */
#define GPIO_AF3_TIM9          ((uint8_t)0x03)  /* TIM9 Alternate Function mapping  */
#define GPIO_AF3_TIM10         ((uint8_t)0x03)  /* TIM10 Alternate Function mapping */
#define GPIO_AF3_TIM11         ((uint8_t)0x03)  /* TIM11 Alternate Function mapping */

/** 
  * @brief   AF 4 selection  
  */ 
#define GPIO_AF4_I2C1          ((uint8_t)0x04)  /* I2C1 Alternate Function mapping */
#define GPIO_AF4_I2C2          ((uint8_t)0x04)  /* I2C2 Alternate Function mapping */
#define GPIO_AF4_I2C3          ((uint8_t)0x04)  /* I2C3 Alternate Function mapping */

/** 
  * @brief   AF 5 selection  
  */ 
#define GPIO_AF5_SPI1          ((uint8_t)0x05)  /* SPI1 Alternate Function mapping        */
#define GPIO_AF5_SPI2          ((uint8_t)0x05)  /* SPI2/I2S2 Alternate Function mapping   */
#define GPIO_AF5_SPI4          ((uint8_t)0x05)  /* SPI4 Alternate Function mapping        */
#define GPIO_AF5_SPI5          ((uint8_t)0x05)  /* SPI5 Alternate Function mapping        */
#define GPIO_AF5_SPI6          ((uint8_t)0x05)  /* SPI6 Alternate Function mapping        */
#define GPIO_AF5_I2S3ext       ((uint8_t)0x05)  /* I2S3ext_SD Alternate Function mapping  */

/** 
  * @brief   AF 6 selection  
  */ 
#define GPIO_AF6_SPI3          ((uint8_t)0x06)  /* SPI3/I2S3 Alternate Function mapping  */
#define GPIO_AF6_I2S2ext       ((uint8_t)0x06)  /* I2S2ext_SD Alternate Function mapping */
#define GPIO_AF6_SAI1          ((uint8_t)0x06)  /* SAI1 Alternate Function mapping       */

/** 
  * @brief   AF 7 selection  
  */ 
#define GPIO_AF7_USART1        ((uint8_t)0x07)  /* USART1 Alternate Function mapping     */
#define GPIO_AF7_USART2        ((uint8_t)0x07)  /* USART2 Alternate Function mapping     */
#define GPIO_AF7_USART3        ((uint8_t)0x07)  /* USART3 Alternate Function mapping     */
#define GPIO_AF7_I2S3ext       ((uint8_t)0x07)  /* I2S3ext_SD Alternate Function mapping */

/** 
  * @brief   AF 8 selection  
  */ 
#define GPIO_AF8_UART4         ((uint8_t)0x08)  /* UART4 Alternate Function mapping  */
#define GPIO_AF8_UART5         ((uint8_t)0x08)  /* UART5 Alternate Function mapping  */
#define GPIO_AF8_USART6        ((uint8_t)0x08)  /* USART6 Alternate Function mapping */
#define GPIO_AF8_UART7         ((uint8_t)0x08)  /* UART7 Alternate Function mapping  */
#define GPIO_AF8_UART8         ((uint8_t)0x08)  /* UART8 Alternate Function mapping  */

/** 
  * @brief   AF 9 selection 
  */ 
#define GPIO_AF9_CAN1          ((uint8_t)0x09)  /* CAN1 Alternate Function mapping  */
#define GPIO_AF9_CAN2          ((uint8_t)0x09)  /* CAN2 Alternate Function mapping  */
#define GPIO_AF9_TIM12         ((uint8_t)0x09)  /* TIM12 Alternate Function mapping */
#define GPIO_AF9_TIM13         ((uint8_t)0x09)  /* TIM13 Alternate Function mapping */
#define GPIO_AF9_TIM14         ((uint8_t)0x09)  /* TIM14 Alternate Function mapping */

/** 
  * @brief   AF 10 selection  
  */ 
#define GPIO_AF10_OTG_FS        ((uint8_t)0xA)  /* OTG_FS Alternate Function mapping */
#define GPIO_AF10_OTG_HS        ((uint8_t)0xA)  /* OTG_HS Alternate Function mapping */

/** 
  * @brief   AF 11 selection  
  */ 
#define GPIO_AF11_ETH           ((uint8_t)0x0B)  /* ETHERNET Alternate Function mapping */

/** 
  * @brief   AF 12 selection  
  */ 
#define GPIO_AF12_FMC           ((uint8_t)0xC)  /* FMC Alternate Function mapping                      */
#define GPIO_AF12_OTG_HS_FS     ((uint8_t)0xC)  /* OTG HS configured in FS, Alternate Function mapping */
#define GPIO_AF12_SDIO          ((uint8_t)0xC)  /* SDIO Alternate Function mapping                     */

/** 
  * @brief   AF 13 selection  
  */ 
#define GPIO_AF13_DCMI          ((uint8_t)0x0D)  /* DCMI Alternate Function mapping */

/** 
  * @brief   AF 15 selection  
  */ 
#define GPIO_AF15_EVENTOUT      ((uint8_t)0x0F)  /* EVENTOUT Alternate Function mapping */

#define IS_GPIO_AF(AF)   (((AF) == GPIO_AF0_RTC_50Hz)   || ((AF) == GPIO_AF9_TIM14)      || \
                          ((AF) == GPIO_AF0_MCO)        || ((AF) == GPIO_AF0_TAMPER)     || \
                          ((AF) == GPIO_AF0_SWJ)        || ((AF) == GPIO_AF0_TRACE)      || \
                          ((AF) == GPIO_AF1_TIM1)       || ((AF) == GPIO_AF1_TIM2)       || \
                          ((AF) == GPIO_AF2_TIM3)       || ((AF) == GPIO_AF2_TIM4)       || \
                          ((AF) == GPIO_AF2_TIM5)       || ((AF) == GPIO_AF3_TIM8)       || \
                          ((AF) == GPIO_AF4_I2C1)       || ((AF) == GPIO_AF4_I2C2)       || \
                          ((AF) == GPIO_AF4_I2C3)       || ((AF) == GPIO_AF5_SPI1)       || \
                          ((AF) == GPIO_AF5_SPI2)       || ((AF) == GPIO_AF9_TIM13)      || \
                          ((AF) == GPIO_AF6_SPI3)       || ((AF) == GPIO_AF9_TIM12)      || \
                          ((AF) == GPIO_AF7_USART1)     || ((AF) == GPIO_AF7_USART2)     || \
                          ((AF) == GPIO_AF7_USART3)     || ((AF) == GPIO_AF8_UART4)      || \
                          ((AF) == GPIO_AF8_UART5)      || ((AF) == GPIO_AF8_USART6)     || \
                          ((AF) == GPIO_AF9_CAN1)       || ((AF) == GPIO_AF9_CAN2)       || \
                          ((AF) == GPIO_AF10_OTG_FS)    || ((AF) == GPIO_AF10_OTG_HS)    || \
                          ((AF) == GPIO_AF11_ETH)       || ((AF) == GPIO_AF12_OTG_HS_FS) || \
                          ((AF) == GPIO_AF12_SDIO)      || ((AF) == GPIO_AF13_DCMI)      || \
                          ((AF) == GPIO_AF15_EVENTOUT)  || ((AF) == GPIO_AF5_SPI4)       || \
                          ((AF) == GPIO_AF5_SPI5)       || ((AF) == GPIO_AF5_SPI6)       || \
                          ((AF) == GPIO_AF8_UART7)      || ((AF) == GPIO_AF8_UART8)      || \
                          ((AF) == GPIO_AF12_FMC)       ||  ((AF) == GPIO_AF6_SAI1))

#endif /* STM32F427xx || STM32F437xx */
/*------------------------------------------------------------------------------------------*/

/*---------------------------------- STM32F407xx/STM32F417xx--------------------------------*/
#if defined (STM32F407xx) || defined (STM32F417xx)
/** 
  * @brief   AF 0 selection  
  */ 
#define GPIO_AF0_RTC_50Hz      ((uint8_t)0x00)  /* RTC_50Hz Alternate Function mapping                       */
#define GPIO_AF0_MCO           ((uint8_t)0x00)  /* MCO (MCO1 and MCO2) Alternate Function mapping            */
#define GPIO_AF0_TAMPER        ((uint8_t)0x00)  /* TAMPER (TAMPER_1 and TAMPER_2) Alternate Function mapping */
#define GPIO_AF0_SWJ           ((uint8_t)0x00)  /* SWJ (SWD and JTAG) Alternate Function mapping             */
#define GPIO_AF0_TRACE         ((uint8_t)0x00)  /* TRACE Alternate Function mapping                          */

/** 
  * @brief   AF 1 selection  
  */ 
#define GPIO_AF1_TIM1          ((uint8_t)0x01)  /* TIM1 Alternate Function mapping */
#define GPIO_AF1_TIM2          ((uint8_t)0x01)  /* TIM2 Alternate Function mapping */

/** 
  * @brief   AF 2 selection  
  */ 
#define GPIO_AF2_TIM3          ((uint8_t)0x02)  /* TIM3 Alternate Function mapping */
#define GPIO_AF2_TIM4          ((uint8_t)0x02)  /* TIM4 Alternate Function mapping */
#define GPIO_AF2_TIM5          ((uint8_t)0x02)  /* TIM5 Alternate Function mapping */

/** 
  * @brief   AF 3 selection  
  */ 
#define GPIO_AF3_TIM8          ((uint8_t)0x03)  /* TIM8 Alternate Function mapping  */
#define GPIO_AF3_TIM9          ((uint8_t)0x03)  /* TIM9 Alternate Function mapping  */
#define GPIO_AF3_TIM10         ((uint8_t)0x03)  /* TIM10 Alternate Function mapping */
#define GPIO_AF3_TIM11         ((uint8_t)0x03)  /* TIM11 Alternate Function mapping */

/** 
  * @brief   AF 4 selection  
  */ 
#define GPIO_AF4_I2C1          ((uint8_t)0x04)  /* I2C1 Alternate Function mapping */
#define GPIO_AF4_I2C2          ((uint8_t)0x04)  /* I2C2 Alternate Function mapping */
#define GPIO_AF4_I2C3          ((uint8_t)0x04)  /* I2C3 Alternate Function mapping */

/** 
  * @brief   AF 5 selection  
  */ 
#define GPIO_AF5_SPI1          ((uint8_t)0x05)  /* SPI1 Alternate Function mapping        */
#define GPIO_AF5_SPI2          ((uint8_t)0x05)  /* SPI2/I2S2 Alternate Function mapping   */
#define GPIO_AF5_I2S3ext       ((uint8_t)0x05)  /* I2S3ext_SD Alternate Function mapping  */

/** 
  * @brief   AF 6 selection  
  */ 
#define GPIO_AF6_SPI3          ((uint8_t)0x06)  /* SPI3/I2S3 Alternate Function mapping  */
#define GPIO_AF6_I2S2ext       ((uint8_t)0x06)  /* I2S2ext_SD Alternate Function mapping */

/** 
  * @brief   AF 7 selection  
  */ 
#define GPIO_AF7_USART1        ((uint8_t)0x07)  /* USART1 Alternate Function mapping     */
#define GPIO_AF7_USART2        ((uint8_t)0x07)  /* USART2 Alternate Function mapping     */
#define GPIO_AF7_USART3        ((uint8_t)0x07)  /* USART3 Alternate Function mapping     */
#define GPIO_AF7_I2S3ext       ((uint8_t)0x07)  /* I2S3ext_SD Alternate Function mapping */

/** 
  * @brief   AF 8 selection  
  */ 
#define GPIO_AF8_UART4         ((uint8_t)0x08)  /* UART4 Alternate Function mapping  */
#define GPIO_AF8_UART5         ((uint8_t)0x08)  /* UART5 Alternate Function mapping  */
#define GPIO_AF8_USART6        ((uint8_t)0x08)  /* USART6 Alternate Function mapping */

/** 
  * @brief   AF 9 selection 
  */ 
#define GPIO_AF9_CAN1          ((uint8_t)0x09)  /* CAN1 Alternate Function mapping  */
#define GPIO_AF9_CAN2          ((uint8_t)0x09)  /* CAN2 Alternate Function mapping  */
#define GPIO_AF9_TIM12         ((uint8_t)0x09)  /* TIM12 Alternate Function mapping */
#define GPIO_AF9_TIM13         ((uint8_t)0x09)  /* TIM13 Alternate Function mapping */
#define GPIO_AF9_TIM14         ((uint8_t)0x09)  /* TIM14 Alternate Function mapping */

/** 
  * @brief   AF 10 selection  
  */ 
#define GPIO_AF10_OTG_FS        ((uint8_t)0xA)  /* OTG_FS Alternate Function mapping */
#define GPIO_AF10_OTG_HS        ((uint8_t)0xA)  /* OTG_HS Alternate Function mapping */

/** 
  * @brief   AF 11 selection  
  */ 
#define GPIO_AF11_ETH           ((uint8_t)0x0B)  /* ETHERNET Alternate Function mapping */

/** 
  * @brief   AF 12 selection  
  */ 
#define GPIO_AF12_FSMC          ((uint8_t)0xC)  /* FSMC Alternate Function mapping                     */
#define GPIO_AF12_OTG_HS_FS     ((uint8_t)0xC)  /* OTG HS configured in FS, Alternate Function mapping */
#define GPIO_AF12_SDIO          ((uint8_t)0xC)  /* SDIO Alternate Function mapping                     */

/** 
  * @brief   AF 13 selection  
  */ 
#define GPIO_AF13_DCMI          ((uint8_t)0x0D)  /* DCMI Alternate Function mapping */

/** 
  * @brief   AF 15 selection  
  */ 
#define GPIO_AF15_EVENTOUT      ((uint8_t)0x0F)  /* EVENTOUT Alternate Function mapping */

#define IS_GPIO_AF(AF)   (((AF) == GPIO_AF0_RTC_50Hz)   || ((AF) == GPIO_AF9_TIM14)      || \
                          ((AF) == GPIO_AF0_MCO)        || ((AF) == GPIO_AF0_TAMPER)     || \
                          ((AF) == GPIO_AF0_SWJ)        || ((AF) == GPIO_AF0_TRACE)      || \
                          ((AF) == GPIO_AF1_TIM1)       || ((AF) == GPIO_AF1_TIM2)       || \
                          ((AF) == GPIO_AF2_TIM3)       || ((AF) == GPIO_AF2_TIM4)       || \
                          ((AF) == GPIO_AF2_TIM5)       || ((AF) == GPIO_AF3_TIM8)       || \
                          ((AF) == GPIO_AF4_I2C1)       || ((AF) == GPIO_AF4_I2C2)       || \
                          ((AF) == GPIO_AF4_I2C3)       || ((AF) == GPIO_AF5_SPI1)       || \
                          ((AF) == GPIO_AF5_SPI2)       || ((AF) == GPIO_AF9_TIM13)      || \
                          ((AF) == GPIO_AF6_SPI3)       || ((AF) == GPIO_AF9_TIM12)      || \
                          ((AF) == GPIO_AF7_USART1)     || ((AF) == GPIO_AF7_USART2)     || \
                          ((AF) == GPIO_AF7_USART3)     || ((AF) == GPIO_AF8_UART4)      || \
                          ((AF) == GPIO_AF8_UART5)      || ((AF) == GPIO_AF8_USART6)     || \
                          ((AF) == GPIO_AF9_CAN1)       || ((AF) == GPIO_AF9_CAN2)       || \
                          ((AF) == GPIO_AF10_OTG_FS)    || ((AF) == GPIO_AF10_OTG_HS)    || \
                          ((AF) == GPIO_AF11_ETH)       || ((AF) == GPIO_AF12_OTG_HS_FS) || \
                          ((AF) == GPIO_AF12_SDIO)      || ((AF) == GPIO_AF13_DCMI)      || \
                          ((AF) == GPIO_AF12_FSMC)      || ((AF) == GPIO_AF15_EVENTOUT))

#endif /* STM32F407xx || STM32F417xx */
/*------------------------------------------------------------------------------------------*/

/*---------------------------------- STM32F405xx/STM32F415xx--------------------------------*/
#if defined (STM32F405xx) || defined (STM32F415xx)
/** 
  * @brief   AF 0 selection  
  */ 
#define GPIO_AF0_RTC_50Hz      ((uint8_t)0x00)  /* RTC_50Hz Alternate Function mapping                       */
#define GPIO_AF0_MCO           ((uint8_t)0x00)  /* MCO (MCO1 and MCO2) Alternate Function mapping            */
#define GPIO_AF0_TAMPER        ((uint8_t)0x00)  /* TAMPER (TAMPER_1 and TAMPER_2) Alternate Function mapping */
#define GPIO_AF0_SWJ           ((uint8_t)0x00)  /* SWJ (SWD and JTAG) Alternate Function mapping             */
#define GPIO_AF0_TRACE         ((uint8_t)0x00)  /* TRACE Alternate Function mapping                          */

/** 
  * @brief   AF 1 selection  
  */ 
#define GPIO_AF1_TIM1          ((uint8_t)0x01)  /* TIM1 Alternate Function mapping */
#define GPIO_AF1_TIM2          ((uint8_t)0x01)  /* TIM2 Alternate Function mapping */

/** 
  * @brief   AF 2 selection  
  */ 
#define GPIO_AF2_TIM3          ((uint8_t)0x02)  /* TIM3 Alternate Function mapping */
#define GPIO_AF2_TIM4          ((uint8_t)0x02)  /* TIM4 Alternate Function mapping */
#define GPIO_AF2_TIM5          ((uint8_t)0x02)  /* TIM5 Alternate Function mapping */

/** 
  * @brief   AF 3 selection  
  */ 
#define GPIO_AF3_TIM8          ((uint8_t)0x03)  /* TIM8 Alternate Function mapping  */
#define GPIO_AF3_TIM9          ((uint8_t)0x03)  /* TIM9 Alternate Function mapping  */
#define GPIO_AF3_TIM10         ((uint8_t)0x03)  /* TIM10 Alternate Function mapping */
#define GPIO_AF3_TIM11         ((uint8_t)0x03)  /* TIM11 Alternate Function mapping */

/** 
  * @brief   AF 4 selection  
  */ 
#define GPIO_AF4_I2C1          ((uint8_t)0x04)  /* I2C1 Alternate Function mapping */
#define GPIO_AF4_I2C2          ((uint8_t)0x04)  /* I2C2 Alternate Function mapping */
#define GPIO_AF4_I2C3          ((uint8_t)0x04)  /* I2C3 Alternate Function mapping */

/** 
  * @brief   AF 5 selection  
  */ 
#define GPIO_AF5_SPI1          ((uint8_t)0x05)  /* SPI1 Alternate Function mapping        */
#define GPIO_AF5_SPI2          ((uint8_t)0x05)  /* SPI2/I2S2 Alternate Function mapping   */
#define GPIO_AF5_I2S3ext       ((uint8_t)0x05)  /* I2S3ext_SD Alternate Function mapping  */

/** 
  * @brief   AF 6 selection  
  */ 
#define GPIO_AF6_SPI3          ((uint8_t)0x06)  /* SPI3/I2S3 Alternate Function mapping  */
#define GPIO_AF6_I2S2ext      ((uint8_t)0x06)  /* I2S2ext_SD Alternate Function mapping */

/** 
  * @brief   AF 7 selection  
  */ 
#define GPIO_AF7_USART1        ((uint8_t)0x07)  /* USART1 Alternate Function mapping     */
#define GPIO_AF7_USART2        ((uint8_t)0x07)  /* USART2 Alternate Function mapping     */
#define GPIO_AF7_USART3        ((uint8_t)0x07)  /* USART3 Alternate Function mapping     */
#define GPIO_AF7_I2S3ext       ((uint8_t)0x07)  /* I2S3ext_SD Alternate Function mapping */

/** 
  * @brief   AF 8 selection  
  */ 
#define GPIO_AF8_UART4         ((uint8_t)0x08)  /* UART4 Alternate Function mapping  */
#define GPIO_AF8_UART5         ((uint8_t)0x08)  /* UART5 Alternate Function mapping  */
#define GPIO_AF8_USART6        ((uint8_t)0x08)  /* USART6 Alternate Function mapping */

/** 
  * @brief   AF 9 selection 
  */ 
#define GPIO_AF9_CAN1          ((uint8_t)0x09)  /* CAN1 Alternate Function mapping  */
#define GPIO_AF9_CAN2          ((uint8_t)0x09)  /* CAN2 Alternate Function mapping  */
#define GPIO_AF9_TIM12         ((uint8_t)0x09)  /* TIM12 Alternate Function mapping */
#define GPIO_AF9_TIM13         ((uint8_t)0x09)  /* TIM13 Alternate Function mapping */
#define GPIO_AF9_TIM14         ((uint8_t)0x09)  /* TIM14 Alternate Function mapping */

/** 
  * @brief   AF 10 selection  
  */ 
#define GPIO_AF10_OTG_FS        ((uint8_t)0xA)  /* OTG_FS Alternate Function mapping */
#define GPIO_AF10_OTG_HS        ((uint8_t)0xA)  /* OTG_HS Alternate Function mapping */

/** 
  * @brief   AF 12 selection  
  */ 
#define GPIO_AF12_FSMC          ((uint8_t)0xC)  /* FSMC Alternate Function mapping                     */
#define GPIO_AF12_OTG_HS_FS     ((uint8_t)0xC)  /* OTG HS configured in FS, Alternate Function mapping */
#define GPIO_AF12_SDIO          ((uint8_t)0xC)  /* SDIO Alternate Function mapping                     */

/** 
  * @brief   AF 15 selection  
  */ 
#define GPIO_AF15_EVENTOUT      ((uint8_t)0x0F)  /* EVENTOUT Alternate Function mapping */

#define IS_GPIO_AF(AF)   (((AF) == GPIO_AF0_RTC_50Hz)   || ((AF) == GPIO_AF9_TIM14)      || \
                          ((AF) == GPIO_AF0_MCO)        || ((AF) == GPIO_AF0_TAMPER)     || \
                          ((AF) == GPIO_AF0_SWJ)        || ((AF) == GPIO_AF0_TRACE)      || \
                          ((AF) == GPIO_AF1_TIM1)       || ((AF) == GPIO_AF1_TIM2)       || \
                          ((AF) == GPIO_AF2_TIM3)       || ((AF) == GPIO_AF2_TIM4)       || \
                          ((AF) == GPIO_AF2_TIM5)       || ((AF) == GPIO_AF3_TIM8)       || \
                          ((AF) == GPIO_AF4_I2C1)       || ((AF) == GPIO_AF4_I2C2)       || \
                          ((AF) == GPIO_AF4_I2C3)       || ((AF) == GPIO_AF5_SPI1)       || \
                          ((AF) == GPIO_AF5_SPI2)       || ((AF) == GPIO_AF9_TIM13)      || \
                          ((AF) == GPIO_AF6_SPI3)       || ((AF) == GPIO_AF9_TIM12)      || \
                          ((AF) == GPIO_AF7_USART1)     || ((AF) == GPIO_AF7_USART2)     || \
                          ((AF) == GPIO_AF7_USART3)     || ((AF) == GPIO_AF8_UART4)      || \
                          ((AF) == GPIO_AF8_UART5)      || ((AF) == GPIO_AF8_USART6)     || \
                          ((AF) == GPIO_AF9_CAN1)       || ((AF) == GPIO_AF9_CAN2)       || \
                          ((AF) == GPIO_AF10_OTG_FS)    || ((AF) == GPIO_AF10_OTG_HS)    || \
                          ((AF) == GPIO_AF12_OTG_HS_FS) || ((AF) == GPIO_AF12_SDIO)      || \
                          ((AF) == GPIO_AF12_FSMC)      || ((AF) == GPIO_AF15_EVENTOUT))

#endif /* STM32F405xx || STM32F415xx */

/*------------------------------------------------------------------------------------------*/

/*---------------------------------------- STM32F401xx--------------------------------------*/
#if defined(STM32F401xC) || defined(STM32F401xE) 
/** 
  * @brief   AF 0 selection  
  */ 
#define GPIO_AF0_RTC_50Hz      ((uint8_t)0x00)  /* RTC_50Hz Alternate Function mapping                       */
#define GPIO_AF0_MCO           ((uint8_t)0x00)  /* MCO (MCO1 and MCO2) Alternate Function mapping            */
#define GPIO_AF0_TAMPER        ((uint8_t)0x00)  /* TAMPER (TAMPER_1 and TAMPER_2) Alternate Function mapping */
#define GPIO_AF0_SWJ           ((uint8_t)0x00)  /* SWJ (SWD and JTAG) Alternate Function mapping             */
#define GPIO_AF0_TRACE         ((uint8_t)0x00)  /* TRACE Alternate Function mapping                          */

/** 
  * @brief   AF 1 selection  
  */ 
#define GPIO_AF1_TIM1          ((uint8_t)0x01)  /* TIM1 Alternate Function mapping */
#define GPIO_AF1_TIM2          ((uint8_t)0x01)  /* TIM2 Alternate Function mapping */

/** 
  * @brief   AF 2 selection  
  */ 
#define GPIO_AF2_TIM3          ((uint8_t)0x02)  /* TIM3 Alternate Function mapping */
#define GPIO_AF2_TIM4          ((uint8_t)0x02)  /* TIM4 Alternate Function mapping */
#define GPIO_AF2_TIM5          ((uint8_t)0x02)  /* TIM5 Alternate Function mapping */

/** 
  * @brief   AF 3 selection  
  */ 
#define GPIO_AF3_TIM9          ((uint8_t)0x03)  /* TIM9 Alternate Function mapping  */
#define GPIO_AF3_TIM10         ((uint8_t)0x03)  /* TIM10 Alternate Function mapping */
#define GPIO_AF3_TIM11         ((uint8_t)0x03)  /* TIM11 Alternate Function mapping */

/** 
  * @brief   AF 4 selection  
  */ 
#define GPIO_AF4_I2C1          ((uint8_t)0x04)  /* I2C1 Alternate Function mapping */
#define GPIO_AF4_I2C2          ((uint8_t)0x04)  /* I2C2 Alternate Function mapping */
#define GPIO_AF4_I2C3          ((uint8_t)0x04)  /* I2C3 Alternate Function mapping */

/** 
  * @brief   AF 5 selection  
  */ 
#define GPIO_AF5_SPI1          ((uint8_t)0x05)  /* SPI1 Alternate Function mapping        */
#define GPIO_AF5_SPI2          ((uint8_t)0x05)  /* SPI2/I2S2 Alternate Function mapping   */
#define GPIO_AF5_SPI4          ((uint8_t)0x05)  /* SPI4 Alternate Function mapping        */
#define GPIO_AF5_I2S3ext      ((uint8_t)0x05)  /* I2S3ext_SD Alternate Function mapping  */

/** 
  * @brief   AF 6 selection  
  */ 
#define GPIO_AF6_SPI3          ((uint8_t)0x06)  /* SPI3/I2S3 Alternate Function mapping  */
#define GPIO_AF6_I2S2ext      ((uint8_t)0x06)  /* I2S2ext_SD Alternate Function mapping */

/** 
  * @brief   AF 7 selection  
  */ 
#define GPIO_AF7_USART1        ((uint8_t)0x07)  /* USART1 Alternate Function mapping     */
#define GPIO_AF7_USART2        ((uint8_t)0x07)  /* USART2 Alternate Function mapping     */
#define GPIO_AF7_I2S3ext       ((uint8_t)0x07)  /* I2S3ext_SD Alternate Function mapping */

/** 
  * @brief   AF 8 selection  
  */ 
#define GPIO_AF8_USART6        ((uint8_t)0x08)  /* USART6 Alternate Function mapping */

/** 
  * @brief   AF 9 selection 
  */ 
#define GPIO_AF9_TIM14         ((uint8_t)0x09)  /* TIM14 Alternate Function mapping */
#define GPIO_AF9_I2C2          ((uint8_t)0x09)  /* I2C2 Alternate Function mapping  */
#define GPIO_AF9_I2C3          ((uint8_t)0x09)  /* I2C3 Alternate Function mapping  */


/** 
  * @brief   AF 10 selection  
  */ 
#define GPIO_AF10_OTG_FS        ((uint8_t)0xA)  /* OTG_FS Alternate Function mapping */

/** 
  * @brief   AF 12 selection  
  */ 
#define GPIO_AF12_SDIO          ((uint8_t)0xC)  /* SDIO Alternate Function mapping  */

/** 
  * @brief   AF 15 selection  
  */ 
#define GPIO_AF15_EVENTOUT      ((uint8_t)0x0F)  /* EVENTOUT Alternate Function mapping */

#define IS_GPIO_AF(AF)   (((AF) == GPIO_AF0_RTC_50Hz)   || ((AF) == GPIO_AF9_TIM14)      || \
                          ((AF) == GPIO_AF0_MCO)        || ((AF) == GPIO_AF0_TAMPER)     || \
                          ((AF) == GPIO_AF0_SWJ)        || ((AF) == GPIO_AF0_TRACE)      || \
                          ((AF) == GPIO_AF1_TIM1)       || ((AF) == GPIO_AF1_TIM2)       || \
                          ((AF) == GPIO_AF2_TIM3)       || ((AF) == GPIO_AF2_TIM4)       || \
                          ((AF) == GPIO_AF2_TIM5)       || ((AF) == GPIO_AF4_I2C1)       || \
                          ((AF) == GPIO_AF4_I2C2)       || ((AF) == GPIO_AF4_I2C3)       || \
                          ((AF) == GPIO_AF5_SPI1)       || ((AF) == GPIO_AF5_SPI2)       || \
                          ((AF) == GPIO_AF6_SPI3)       || ((AF) == GPIO_AF5_SPI4)       || \
                          ((AF) == GPIO_AF7_USART1)     || ((AF) == GPIO_AF7_USART2)     || \
                          ((AF) == GPIO_AF8_USART6)     || ((AF) == GPIO_AF10_OTG_FS)    || \
                          ((AF) == GPIO_AF9_I2C2)       || ((AF) == GPIO_AF9_I2C3)       || \
                          ((AF) == GPIO_AF12_SDIO)      || ((AF) == GPIO_AF15_EVENTOUT))

#endif /* STM32F401xC || STM32F401xE */
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/*------------------------------------------------------------------------------------------*/

/*---------------------------------------- STM32F411xx--------------------------------------*/
#if defined(STM32F411xE) 
/** 
  * @brief   AF 0 selection  
  */ 
#define GPIO_AF0_RTC_50Hz      ((uint8_t)0x00)  /* RTC_50Hz Alternate Function mapping                       */
#define GPIO_AF0_MCO           ((uint8_t)0x00)  /* MCO (MCO1 and MCO2) Alternate Function mapping            */
#define GPIO_AF0_TAMPER        ((uint8_t)0x00)  /* TAMPER (TAMPER_1 and TAMPER_2) Alternate Function mapping */
#define GPIO_AF0_SWJ           ((uint8_t)0x00)  /* SWJ (SWD and JTAG) Alternate Function mapping             */
#define GPIO_AF0_TRACE         ((uint8_t)0x00)  /* TRACE Alternate Function mapping                          */

/** 
  * @brief   AF 1 selection  
  */ 
#define GPIO_AF1_TIM1          ((uint8_t)0x01)  /* TIM1 Alternate Function mapping */
#define GPIO_AF1_TIM2          ((uint8_t)0x01)  /* TIM2 Alternate Function mapping */

/** 
  * @brief   AF 2 selection  
  */ 
#define GPIO_AF2_TIM3          ((uint8_t)0x02)  /* TIM3 Alternate Function mapping */
#define GPIO_AF2_TIM4          ((uint8_t)0x02)  /* TIM4 Alternate Function mapping */
#define GPIO_AF2_TIM5          ((uint8_t)0x02)  /* TIM5 Alternate Function mapping */

/** 
  * @brief   AF 3 selection  
  */ 
#define GPIO_AF3_TIM9          ((uint8_t)0x03)  /* TIM9 Alternate Function mapping  */
#define GPIO_AF3_TIM10         ((uint8_t)0x03)  /* TIM10 Alternate Function mapping */
#define GPIO_AF3_TIM11         ((uint8_t)0x03)  /* TIM11 Alternate Function mapping */

/** 
  * @brief   AF 4 selection  
  */ 
#define GPIO_AF4_I2C1          ((uint8_t)0x04)  /* I2C1 Alternate Function mapping */
#define GPIO_AF4_I2C2          ((uint8_t)0x04)  /* I2C2 Alternate Function mapping */
#define GPIO_AF4_I2C3          ((uint8_t)0x04)  /* I2C3 Alternate Function mapping */

/** 
  * @brief   AF 5 selection  
  */ 
#define GPIO_AF5_SPI1          ((uint8_t)0x05)  /* SPI1/I2S1 Alternate Function mapping   */
#define GPIO_AF5_SPI2          ((uint8_t)0x05)  /* SPI2/I2S2 Alternate Function mapping   */
#define GPIO_AF5_SPI3          ((uint8_t)0x05)  /* SPI3/I2S3 Alternate Function mapping   */
#define GPIO_AF5_SPI4          ((uint8_t)0x05)  /* SPI4 Alternate Function mapping        */
#define GPIO_AF5_I2S3ext       ((uint8_t)0x05)  /* I2S3ext_SD Alternate Function mapping  */

/** 
  * @brief   AF 6 selection  
  */
#define GPIO_AF6_SPI2          ((uint8_t)0x06)  /* I2S2 Alternate Function mapping       */ 
#define GPIO_AF6_SPI3          ((uint8_t)0x06)  /* SPI3/I2S3 Alternate Function mapping  */
#define GPIO_AF6_SPI4          ((uint8_t)0x06)  /* SPI4/I2S4 Alternate Function mapping  */
#define GPIO_AF6_SPI5          ((uint8_t)0x06)  /* SPI5/I2S5 Alternate Function mapping  */
#define GPIO_AF6_I2S2ext       ((uint8_t)0x06)  /* I2S2ext_SD Alternate Function mapping */
/** 
  * @brief   AF 7 selection  
  */ 
#define GPIO_AF7_SPI3          ((uint8_t)0x07)  /* SPI3/I2S3 Alternate Function mapping  */
#define GPIO_AF7_USART1        ((uint8_t)0x07)  /* USART1 Alternate Function mapping     */
#define GPIO_AF7_USART2        ((uint8_t)0x07)  /* USART2 Alternate Function mapping     */
#define GPIO_AF7_I2S3ext       ((uint8_t)0x07)  /* I2S3ext_SD Alternate Function mapping */

/** 
  * @brief   AF 8 selection  
  */ 
#define GPIO_AF8_USART6        ((uint8_t)0x08)  /* USART6 Alternate Function mapping */

/** 
  * @brief   AF 9 selection 
  */ 
#define GPIO_AF9_TIM14         ((uint8_t)0x09)  /* TIM14 Alternate Function mapping */
#define GPIO_AF9_I2C2          ((uint8_t)0x09)  /* I2C2 Alternate Function mapping  */
#define GPIO_AF9_I2C3          ((uint8_t)0x09)  /* I2C3 Alternate Function mapping  */


/** 
  * @brief   AF 10 selection  
  */ 
#define GPIO_AF10_OTG_FS        ((uint8_t)0xA)  /* OTG_FS Alternate Function mapping */

/** 
  * @brief   AF 12 selection  
  */ 
#define GPIO_AF12_SDIO          ((uint8_t)0xC)  /* SDIO Alternate Function mapping  */

/** 
  * @brief   AF 15 selection  
  */ 
#define GPIO_AF15_EVENTOUT      ((uint8_t)0x0F)  /* EVENTOUT Alternate Function mapping */

#define IS_GPIO_AF(AF)   (((AF) == GPIO_AF0_RTC_50Hz)   || ((AF) == GPIO_AF9_TIM14)      || \
                          ((AF) == GPIO_AF0_MCO)        || ((AF) == GPIO_AF0_TAMPER)     || \
                          ((AF) == GPIO_AF0_SWJ)        || ((AF) == GPIO_AF0_TRACE)      || \
                          ((AF) == GPIO_AF1_TIM1)       || ((AF) == GPIO_AF1_TIM2)       || \
                          ((AF) == GPIO_AF2_TIM3)       || ((AF) == GPIO_AF2_TIM4)       || \
                          ((AF) == GPIO_AF2_TIM5)       || ((AF) == GPIO_AF4_I2C1)       || \
                          ((AF) == GPIO_AF4_I2C2)       || ((AF) == GPIO_AF4_I2C3)       || \
                          ((AF) == GPIO_AF5_SPI1)       || ((AF) == GPIO_AF5_SPI2)       || \
                          ((AF) == GPIO_AF5_SPI3)       || ((AF) == GPIO_AF6_SPI4)       || \
                          ((AF) == GPIO_AF6_SPI3)       || ((AF) == GPIO_AF5_SPI4)       || \
                          ((AF) == GPIO_AF6_SPI5)       || ((AF) == GPIO_AF7_SPI3)       || \
                          ((AF) == GPIO_AF7_USART1)     || ((AF) == GPIO_AF7_USART2)     || \
                          ((AF) == GPIO_AF8_USART6)     || ((AF) == GPIO_AF10_OTG_FS)    || \
                          ((AF) == GPIO_AF9_I2C2)       || ((AF) == GPIO_AF9_I2C3)       || \
                          ((AF) == GPIO_AF12_SDIO)      || ((AF) == GPIO_AF15_EVENTOUT))

#endif /* STM32F411xE */
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/**
  * @}
  */ 

/**
  * @}
  */

/* Exported macro ------------------------------------------------------------*/
/* Exported functions --------------------------------------------------------*/ 


/**
  * @}
  */ 

/**
  * @}
  */ 
  
#ifdef __cplusplus
}
#endif

#endif /* __STM32F4xx_HAL_GPIO_EX_H */

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