1脚 stm32f405_stm32f429引脚复用
以下内容在stm32f4xx_gpio.h内
/** @defgroup GPIO_Alternat_function_selection_define
* @{
*/
/**
* @brief AF 0 selection
*/
#define GPIO_AF_RTC_50Hz ((uint8_t)0x00) /* RTC_50Hz Alternate Function mapping */
#define GPIO_AF_MCO ((uint8_t)0x00) /* MCO (MCO1 and MCO2) Alternate Function mapping */
#define GPIO_AF_TAMPER ((uint8_t)0x00) /* TAMPER (TAMPER_1 and TAMPER_2) Alternate Function mapping */
#define GPIO_AF_SWJ ((uint8_t)0x00) /* SWJ (SWD and JTAG) Alternate Function mapping */
#define GPIO_AF_TRACE ((uint8_t)0x00) /* TRACE Alternate Function mapping */
#if defined (STM32F446xx)
#define GPIO_AF0_TIM2 ((uint8_t)0x00) /* TIM2 Alternate Function mapping */
#endif /* STM32F446xx */
/**
* @brief AF 1 selection
*/
#define GPIO_AF_TIM1 ((uint8_t)0x01) /* TIM1 Alternate Function mapping */
#define GPIO_AF_TIM2 ((uint8_t)0x01) /* TIM2 Alternate Function mapping */
/**
* @brief AF 2 selection
*/
#define GPIO_AF_TIM3 ((uint8_t)0x02) /* TIM3 Alternate Function mapping */
#define GPIO_AF_TIM4 ((uint8_t)0x02) /* TIM4 Alternate Function mapping */
#define GPIO_AF_TIM5 ((uint8_t)0x02) /* TIM5 Alternate Function mapping */
/**
* @brief AF 3 selection
*/
#define GPIO_AF_TIM8 ((uint8_t)0x03) /* TIM8 Alternate Function mapping */
#define GPIO_AF_TIM9 ((uint8_t)0x03) /* TIM9 Alternate Function mapping */
#define GPIO_AF_TIM10 ((uint8_t)0x03) /* TIM10 Alternate Function mapping */
#define GPIO_AF_TIM11 ((uint8_t)0x03) /* TIM11 Alternate Function mapping */
#if defined (STM32F446xx)
#define GPIO_AF3_CEC ((uint8_t)0x03) /* CEC Alternate Function mapping */
#endif /* STM32F446xx */
/**
* @brief AF 4 selection
*/
#define GPIO_AF_I2C1 ((uint8_t)0x04) /* I2C1 Alternate Function mapping */
#define GPIO_AF_I2C2 ((uint8_t)0x04) /* I2C2 Alternate Function mapping */
#define GPIO_AF_I2C3 ((uint8_t)0x04) /* I2C3 Alternate Function mapping */
#if defined (STM32F446xx)
#define GPIO_AF4_CEC ((uint8_t)0x04) /* CEC Alternate Function mapping */
#define GPIO_AF_FMPI2C ((uint8_t)0x04) /* FMPI2C Alternate Function mapping */
#endif /* STM32F446xx */
/**
* @brief AF 5 selection
*/
#define GPIO_AF_SPI1 ((uint8_t)0x05) /* SPI1/I2S1 Alternate Function mapping */
#define GPIO_AF_SPI2 ((uint8_t)0x05) /* SPI2/I2S2 Alternate Function mapping */
#define GPIO_AF5_SPI3 ((uint8_t)0x05) /* SPI3/I2S3 Alternate Function mapping (Only for STM32F411xE Devices) */
#define GPIO_AF_SPI4 ((uint8_t)0x05) /* SPI4/I2S4 Alternate Function mapping */
#define GPIO_AF_SPI5 ((uint8_t)0x05) /* SPI5 Alternate Function mapping */
#define GPIO_AF_SPI6 ((uint8_t)0x05) /* SPI6 Alternate Function mapping */
/**
* @brief AF 6 selection
*/
#define GPIO_AF_SPI3 ((uint8_t)0x06) /* SPI3/I2S3 Alternate Function mapping */
#define GPIO_AF6_SPI2 ((uint8_t)0x06) /* SPI2 Alternate Function mapping (Only for STM32F411xE Devices) */
#define GPIO_AF6_SPI4 ((uint8_t)0x06) /* SPI4 Alternate Function mapping (Only for STM32F411xE Devices) */
#define GPIO_AF6_SPI5 ((uint8_t)0x06) /* SPI5 Alternate Function mapping (Only for STM32F411xE Devices) */
#define GPIO_AF_SAI1 ((uint8_t)0x06) /* SAI1 Alternate Function mapping */
/**
* @brief AF 7 selection
*/
#define GPIO_AF_USART1 ((uint8_t)0x07) /* USART1 Alternate Function mapping */
#define GPIO_AF_USART2 ((uint8_t)0x07) /* USART2 Alternate Function mapping */
#define GPIO_AF_USART3 ((uint8_t)0x07) /* USART3 Alternate Function mapping */
#define GPIO_AF7_SPI3 ((uint8_t)0x07) /* SPI3/I2S3ext Alternate Function mapping */
/**
* @brief AF 7 selection Legacy
*/
#define GPIO_AF_I2S3ext GPIO_AF7_SPI3
/**
* @brief AF 8 selection
*/
#define GPIO_AF_UART4 ((uint8_t)0x08) /* UART4 Alternate Function mapping */
#define GPIO_AF_UART5 ((uint8_t)0x08) /* UART5 Alternate Function mapping */
#define GPIO_AF_USART6 ((uint8_t)0x08) /* USART6 Alternate Function mapping */
#define GPIO_AF_UART7 ((uint8_t)0x08) /* UART7 Alternate Function mapping */
#define GPIO_AF_UART8 ((uint8_t)0x08) /* UART8 Alternate Function mapping */
#if defined (STM32F446xx)
#define GPIO_AF8_SAI2 ((uint8_t)0x08) /* SAI2 Alternate Function mapping */
#define GPIO_AF_SPDIF ((uint8_t)0x08) /* SPDIF Alternate Function mapping */
#endif /* STM32F446xx */
/**
* @brief AF 9 selection
*/
#define GPIO_AF_CAN1 ((uint8_t)0x09) /* CAN1 Alternate Function mapping */
#define GPIO_AF_CAN2 ((uint8_t)0x09) /* CAN2 Alternate Function mapping */
#define GPIO_AF_TIM12 ((uint8_t)0x09) /* TIM12 Alternate Function mapping */
#define GPIO_AF_TIM13 ((uint8_t)0x09) /* TIM13 Alternate Function mapping */
#define GPIO_AF_TIM14 ((uint8_t)0x09) /* TIM14 Alternate Function mapping */
#define GPIO_AF9_I2C2 ((uint8_t)0x09) /* I2C2 Alternate Function mapping (Only for STM32F401xx/STM32F411xE Devices) */
#define GPIO_AF9_I2C3 ((uint8_t)0x09) /* I2C3 Alternate Function mapping (Only for STM32F401xx/STM32F411xE Devices) */
#if defined (STM32F446xx)
#define GPIO_AF9_SAI2 ((uint8_t)0x09) /* SAI2 Alternate Function mapping */
#endif /* STM32F446xx */
#define GPIO_AF9_LTDC ((uint8_t)0x09) /* LTDC Alternate Function mapping */
#if defined (STM32F446xx)
#define GPIO_AF9_QUADSPI ((uint8_t)0x09) /* QuadSPI Alternate Function mapping */
#endif /* STM32F446xx */
/**
* @brief AF 10 selection
*/
#define GPIO_AF_OTG_FS ((uint8_t)0xA) /* OTG_FS Alternate Function mapping */
#define GPIO_AF_OTG_HS ((uint8_t)0xA) /* OTG_HS Alternate Function mapping */
#if defined (STM32F446xx)
#define GPIO_AF10_SAI2 ((uint8_t)0x0A) /* SAI2 Alternate Function mapping */
#endif /* STM32F446xx */
#if defined (STM32F446xx)
#define GPIO_AF10_QUADSPI ((uint8_t)0x0A) /* QuadSPI Alternate Function mapping */
#endif /* STM32F446xx */
/**
* @brief AF 11 selection
*/
#define GPIO_AF_ETH ((uint8_t)0x0B) /* ETHERNET Alternate Function mapping */
/**
* @brief AF 12 selection
*/
#if defined (STM32F40_41xxx)
#define GPIO_AF_FSMC ((uint8_t)0xC) /* FSMC Alternate Function mapping */
#endif /* STM32F40_41xxx */
#if defined (STM32F427_437xx) || defined (STM32F429_439xx) || defined (STM32F446xx)
#define GPIO_AF_FMC ((uint8_t)0xC) /* FMC Alternate Function mapping */
#endif /* STM32F427_437xx || STM32F429_439xx || STM32F446xx */
#define GPIO_AF_OTG_HS_FS ((uint8_t)0xC) /* OTG HS configured in FS, Alternate Function mapping */
#define GPIO_AF_SDIO ((uint8_t)0xC) /* SDIO Alternate Function mapping */
/**
* @brief AF 13 selection
*/
#define GPIO_AF_DCMI ((uint8_t)0x0D) /* DCMI Alternate Function mapping */
/**
* @brief AF 14 selection
*/
#define GPIO_AF_LTDC ((uint8_t)0x0E) /* LCD-TFT Alternate Function mapping */
/**
* @brief AF 15 selection
*/
#define GPIO_AF_EVENTOUT ((uint8_t)0x0F) /* EVENTOUT Alternate Function mapping */
#if defined (STM32F40_41xxx)
#define IS_GPIO_AF(AF) (((AF) == GPIO_AF_RTC_50Hz) || ((AF) == GPIO_AF_TIM14) || \
((AF) == GPIO_AF_MCO) || ((AF) == GPIO_AF_TAMPER) || \
((AF) == GPIO_AF_SWJ) || ((AF) == GPIO_AF_TRACE) || \
((AF) == GPIO_AF_TIM1) || ((AF) == GPIO_AF_TIM2) || \
((AF) == GPIO_AF_TIM3) || ((AF) == GPIO_AF_TIM4) || \
((AF) == GPIO_AF_TIM5) || ((AF) == GPIO_AF_TIM8) || \
((AF) == GPIO_AF_I2C1) || ((AF) == GPIO_AF_I2C2) || \
((AF) == GPIO_AF_I2C3) || ((AF) == GPIO_AF_SPI1) || \
((AF) == GPIO_AF_SPI2) || ((AF) == GPIO_AF_TIM13) || \
((AF) == GPIO_AF_SPI3) || ((AF) == GPIO_AF_TIM14) || \
((AF) == GPIO_AF_USART1) || ((AF) == GPIO_AF_USART2) || \
((AF) == GPIO_AF_USART3) || ((AF) == GPIO_AF_UART4) || \
((AF) == GPIO_AF_UART5) || ((AF) == GPIO_AF_USART6) || \
((AF) == GPIO_AF_CAN1) || ((AF) == GPIO_AF_CAN2) || \
((AF) == GPIO_AF_OTG_FS) || ((AF) == GPIO_AF_OTG_HS) || \
((AF) == GPIO_AF_ETH) || ((AF) == GPIO_AF_OTG_HS_FS) || \
((AF) == GPIO_AF_SDIO) || ((AF) == GPIO_AF_DCMI) || \
((AF) == GPIO_AF_EVENTOUT) || ((AF) == GPIO_AF_FSMC))
#endif /* STM32F40_41xxx */
#if defined (STM32F401xx)
#define IS_GPIO_AF(AF) (((AF) == GPIO_AF_RTC_50Hz) || ((AF) == GPIO_AF_TIM14) || \
((AF) == GPIO_AF_MCO) || ((AF) == GPIO_AF_TAMPER) || \
((AF) == GPIO_AF_SWJ) || ((AF) == GPIO_AF_TRACE) || \
((AF) == GPIO_AF_TIM1) || ((AF) == GPIO_AF_TIM2) || \
((AF) == GPIO_AF_TIM3) || ((AF) == GPIO_AF_TIM4) || \
((AF) == GPIO_AF_TIM5) || ((AF) == GPIO_AF_TIM8) || \
((AF) == GPIO_AF_I2C1) || ((AF) == GPIO_AF_I2C2) || \
((AF) == GPIO_AF_I2C3) || ((AF) == GPIO_AF_SPI1) || \
((AF) == GPIO_AF_SPI2) || ((AF) == GPIO_AF_TIM13) || \
((AF) == GPIO_AF_SPI3) || ((AF) == GPIO_AF_TIM14) || \
((AF) == GPIO_AF_USART1) || ((AF) == GPIO_AF_USART2) || \
((AF) == GPIO_AF_SDIO) || ((AF) == GPIO_AF_USART6) || \
((AF) == GPIO_AF_OTG_FS) || ((AF) == GPIO_AF_OTG_HS) || \
((AF) == GPIO_AF_EVENTOUT) || ((AF) == GPIO_AF_SPI4))
#endif /* STM32F401xx */
#if defined (STM32F411xE)
#define IS_GPIO_AF(AF) (((AF) < 16) && ((AF) != 11) && ((AF) != 13) && ((AF) != 14))
#endif /* STM32F411xE */
#if defined (STM32F427_437xx) || defined (STM32F429_439xx)
#define IS_GPIO_AF(AF) (((AF) == GPIO_AF_RTC_50Hz) || ((AF) == GPIO_AF_TIM14) || \
((AF) == GPIO_AF_MCO) || ((AF) == GPIO_AF_TAMPER) || \
((AF) == GPIO_AF_SWJ) || ((AF) == GPIO_AF_TRACE) || \
((AF) == GPIO_AF_TIM1) || ((AF) == GPIO_AF_TIM2) || \
((AF) == GPIO_AF_TIM3) || ((AF) == GPIO_AF_TIM4) || \
((AF) == GPIO_AF_TIM5) || ((AF) == GPIO_AF_TIM8) || \
((AF) == GPIO_AF_I2C1) || ((AF) == GPIO_AF_I2C2) || \
((AF) == GPIO_AF_I2C3) || ((AF) == GPIO_AF_SPI1) || \
((AF) == GPIO_AF_SPI2) || ((AF) == GPIO_AF_TIM13) || \
((AF) == GPIO_AF_SPI3) || ((AF) == GPIO_AF_TIM14) || \
((AF) == GPIO_AF_USART1) || ((AF) == GPIO_AF_USART2) || \
((AF) == GPIO_AF_USART3) || ((AF) == GPIO_AF_UART4) || \
((AF) == GPIO_AF_UART5) || ((AF) == GPIO_AF_USART6) || \
((AF) == GPIO_AF_CAN1) || ((AF) == GPIO_AF_CAN2) || \
((AF) == GPIO_AF_OTG_FS) || ((AF) == GPIO_AF_OTG_HS) || \
((AF) == GPIO_AF_ETH) || ((AF) == GPIO_AF_OTG_HS_FS) || \
((AF) == GPIO_AF_SDIO) || ((AF) == GPIO_AF_DCMI) || \
((AF) == GPIO_AF_EVENTOUT) || ((AF) == GPIO_AF_SPI4) || \
((AF) == GPIO_AF_SPI5) || ((AF) == GPIO_AF_SPI6) || \
((AF) == GPIO_AF_UART7) || ((AF) == GPIO_AF_UART8) || \
((AF) == GPIO_AF_FMC) || ((AF) == GPIO_AF_SAI1) || \
((AF) == GPIO_AF_LTDC))
#endif /* STM32F427_437xx || STM32F429_439xx */
#if defined (STM32F446xx)
#define IS_GPIO_AF(AF) (((AF) < 16) && ((AF) != 11) && ((AF) != 14))
#endif /* STM32F446xx */
/**
* @}
*/
/** @defgroup GPIO_Legacy
* @{
*/
#define GPIO_Mode_AIN GPIO_Mode_AN
#define GPIO_AF_OTG1_FS GPIO_AF_OTG_FS
#define GPIO_AF_OTG2_HS GPIO_AF_OTG_HS
#define GPIO_AF_OTG2_FS GPIO_AF_OTG_HS_FS
/**
* @}
*/
/**
* @}
*/