stm32的GPIO程序

更新时间:2024-05-04 00:54:01 阅读量: 综合文库 文档下载

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/* Define to prevent recursive inclusion -------------------------------------*/ #ifndef __STM32F4xx_GPIO_H #define __STM32F4xx_GPIO_H

#ifdef __cplusplus extern \#endif

/* Includes ------------------------------------------------------------------*/ #include \

#define IS_GPIO_ALL_PERIPH(PERIPH) (((PERIPH) == GPIOA) || \\ ((PERIPH) == GPIOB) || \\ ((PERIPH) == GPIOC) || \\ ((PERIPH) == GPIOD) || \\ ((PERIPH) == GPIOE) || \\ ((PERIPH) == GPIOF) || \\ ((PERIPH) == GPIOG) || \\ ((PERIPH) == GPIOH) || \\ ((PERIPH) == GPIOI))

/**

* @brief GPIO Configuration Mode enumeration */

typedef enum {

GPIO_Mode_IN = 0x00, /*!< GPIO Input Mode */ GPIO_Mode_OUT = 0x01, /*!< GPIO Output Mode */

GPIO_Mode_AF = 0x02, /*!< GPIO Alternate function Mode */ GPIO_Mode_AN = 0x03 /*!< GPIO Analog Mode */ }GPIOMode_TypeDef;

#define IS_GPIO_MODE(MODE) (((MODE) == GPIO_Mode_IN) GPIO_Mode_OUT) || \\

((MODE) == GPIO_Mode_AF)|| GPIO_Mode_AN)) /**

* @brief GPIO Output type enumeration */

typedef enum {

GPIO_OType_PP = 0x00,

1

|| ((MODE) ((MODE) == == GPIO_OType_OD = 0x01 }GPIOOType_TypeDef;

#define IS_GPIO_OTYPE(OTYPE) (((OTYPE) == GPIO_OType_PP) || ((OTYPE) == GPIO_OType_OD)) /**

* @brief GPIO Output Maximum frequency enumeration */

typedef enum {

GPIO_Speed_2MHz = 0x00, /*!< Low speed */ GPIO_Speed_25MHz = 0x01, /*!< Medium speed */ GPIO_Speed_50MHz = 0x02, /*!< Fast speed */

GPIO_Speed_100MHz = 0x03 /*!< High speed on 30 pF (80 MHz Output max speed on 15 pF) */

}GPIOSpeed_TypeDef;

#define IS_GPIO_SPEED(SPEED) (((SPEED) == GPIO_Speed_2MHz) || ((SPEED) == GPIO_Speed_25MHz) || \\

((SPEED) == GPIO_Speed_50MHz)|| ((SPEED) == GPIO_Speed_100MHz)) /**

* @brief GPIO Configuration PullUp PullDown enumeration */

typedef enum {

GPIO_PuPd_NOPULL = 0x00, GPIO_PuPd_UP = 0x01, GPIO_PuPd_DOWN = 0x02 }GPIOPuPd_TypeDef;

#define IS_GPIO_PUPD(PUPD) (((PUPD) == GPIO_PuPd_NOPULL) || ((PUPD) == GPIO_PuPd_UP) || \\

((PUPD) == GPIO_PuPd_DOWN)) /**

* @brief GPIO Bit SET and Bit RESET enumeration */

typedef enum {

Bit_RESET = 0, Bit_SET }BitAction;

#define IS_GPIO_BIT_ACTION(ACTION) (((ACTION) == Bit_RESET) || ((ACTION) ==

2

Bit_SET)) /**

* @brief GPIO Init structure definition */

typedef struct {

uint32_t GPIO_Pin; /*!< Specifies the GPIO pins to be configured.

This parameter can be any value of @ref GPIO_pins_define */

GPIOMode_TypeDef GPIO_Mode; /*!< Specifies the operating mode for the selected pins.

This parameter can be a value of @ref GPIOMode_TypeDef */

GPIOSpeed_TypeDef GPIO_Speed; /*!< Specifies the speed for the selected pins.

This parameter can be a value of @ref GPIOSpeed_TypeDef */

GPIOOType_TypeDef GPIO_OType; /*!< Specifies the operating output type for the selected pins.

This parameter can be a value of @ref GPIOOType_TypeDef */

GPIOPuPd_TypeDef GPIO_PuPd; /*!< Specifies the operating Pull-up/Pull down for the selected pins.

This parameter can be a value of @ref GPIOPuPd_TypeDef */ }GPIO_InitTypeDef;

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

/** @defgroup GPIO_Exported_Constants * @{ */

/** @defgroup GPIO_pins_define * @{ */

#define GPIO_Pin_0 ((uint16_t)0x0001) /* Pin 0 selected */ #define GPIO_Pin_1 ((uint16_t)0x0002) /* Pin 1 selected */ #define GPIO_Pin_2 ((uint16_t)0x0004) /* Pin 2 selected */

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#define GPIO_Pin_3 ((uint16_t)0x0008) /* Pin 3 selected */ #define GPIO_Pin_4 ((uint16_t)0x0010) /* Pin 4 selected */ #define GPIO_Pin_5 ((uint16_t)0x0020) /* Pin 5 selected */ #define GPIO_Pin_6 ((uint16_t)0x0040) /* Pin 6 selected */ #define GPIO_Pin_7 ((uint16_t)0x0080) /* Pin 7 selected */ #define GPIO_Pin_8 ((uint16_t)0x0100) /* Pin 8 selected */ #define GPIO_Pin_9 ((uint16_t)0x0200) /* Pin 9 selected */ #define GPIO_Pin_10 ((uint16_t)0x0400) /* Pin 10 selected */ #define GPIO_Pin_11 ((uint16_t)0x0800) /* Pin 11 selected */ #define GPIO_Pin_12 ((uint16_t)0x1000) /* Pin 12 selected */ #define GPIO_Pin_13 ((uint16_t)0x2000) /* Pin 13 selected */ #define GPIO_Pin_14 ((uint16_t)0x4000) /* Pin 14 selected */ #define GPIO_Pin_15 ((uint16_t)0x8000) /* Pin 15 selected */ #define GPIO_Pin_All ((uint16_t)0xFFFF) /* All pins selected */

#define IS_GPIO_PIN(PIN) ((((PIN) & (uint16_t)0x00) == 0x00) && ((PIN) != (uint16_t)0x00)) #define IS_GET_GPIO_PIN(PIN) (((PIN) == GPIO_Pin_0) || \\ ((PIN) == GPIO_Pin_1) || \\ ((PIN) == GPIO_Pin_2) || \\ ((PIN) == GPIO_Pin_3) || \\ ((PIN) == GPIO_Pin_4) || \\ ((PIN) == GPIO_Pin_5) || \\ ((PIN) == GPIO_Pin_6) || \\ ((PIN) == GPIO_Pin_7) || \\ ((PIN) == GPIO_Pin_8) || \\ ((PIN) == GPIO_Pin_9) || \\ ((PIN) == GPIO_Pin_10) || \\ ((PIN) == GPIO_Pin_11) || \\ ((PIN) == GPIO_Pin_12) || \\ ((PIN) == GPIO_Pin_13) || \\ ((PIN) == GPIO_Pin_14) || \\ ((PIN) == GPIO_Pin_15)) /** * @} */

/** @defgroup GPIO_Pin_sources * @{ */

#define GPIO_PinSource0 ((uint8_t)0x00) #define GPIO_PinSource1 ((uint8_t)0x01) #define GPIO_PinSource2 ((uint8_t)0x02) #define GPIO_PinSource3 ((uint8_t)0x03)

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#define GPIO_PinSource4 ((uint8_t)0x04) #define GPIO_PinSource5 ((uint8_t)0x05) #define GPIO_PinSource6 ((uint8_t)0x06) #define GPIO_PinSource7 ((uint8_t)0x07) #define GPIO_PinSource8 ((uint8_t)0x08) #define GPIO_PinSource9 ((uint8_t)0x09) #define GPIO_PinSource10 ((uint8_t)0x0A) #define GPIO_PinSource11 ((uint8_t)0x0B) #define GPIO_PinSource12 ((uint8_t)0x0C) #define GPIO_PinSource13 ((uint8_t)0x0D) #define GPIO_PinSource14 ((uint8_t)0x0E) #define GPIO_PinSource15 ((uint8_t)0x0F)

#define IS_GPIO_PIN_SOURCE(PINSOURCE) (((PINSOURCE) == GPIO_PinSource0) || \\ ((PINSOURCE) == GPIO_PinSource1) || \\ ((PINSOURCE) == GPIO_PinSource2) || \\ ((PINSOURCE) == GPIO_PinSource3) || \\ ((PINSOURCE) == GPIO_PinSource4) || \\ ((PINSOURCE) == GPIO_PinSource5) || \\ ((PINSOURCE) == GPIO_PinSource6) || \\ ((PINSOURCE) == GPIO_PinSource7) || \\ ((PINSOURCE) == GPIO_PinSource8) || \\ ((PINSOURCE) == GPIO_PinSource9) || \\ ((PINSOURCE) == GPIO_PinSource10) || \\ ((PINSOURCE) == GPIO_PinSource11) || \\ ((PINSOURCE) == GPIO_PinSource12) || \\ ((PINSOURCE) == GPIO_PinSource13) || \\ ((PINSOURCE) == GPIO_PinSource14) || \\ ((PINSOURCE) == GPIO_PinSource15)) /** * @} */

/** @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

5

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 */ /**

* @brief AF 1 selection */

#define GPIO_AF_TIM1 #define GPIO_AF_TIM2 /**

* @brief AF 2 selection */

#define GPIO_AF_TIM3 #define GPIO_AF_TIM4 #define GPIO_AF_TIM5 /**

* @brief AF 3 selection */

#define GPIO_AF_TIM8 #define GPIO_AF_TIM9 #define GPIO_AF_TIM10 #define GPIO_AF_TIM11 /**

* @brief AF 4 selection */

#define GPIO_AF_I2C1 #define GPIO_AF_I2C2 #define GPIO_AF_I2C3 /**

* @brief AF 5 selection */

#define GPIO_AF_SPI1 #define GPIO_AF_SPI2 */ /**

* @brief AF 6 selection */

((uint8_t)0x01) /* TIM1 Alternate Function mapping */ ((uint8_t)0x01) /* TIM2 Alternate Function mapping */ ((uint8_t)0x02) /* TIM3 Alternate Function mapping */ ((uint8_t)0x02) /* TIM4 Alternate Function mapping */ ((uint8_t)0x02) /* TIM5 Alternate Function mapping */ ((uint8_t)0x03) /* TIM8 Alternate Function mapping */ ((uint8_t)0x03) /* TIM9 Alternate Function mapping */ ((uint8_t)0x03) /* TIM10 Alternate Function mapping */ ((uint8_t)0x03) /* TIM11 Alternate Function mapping */ ((uint8_t)0x04) /* I2C1 Alternate Function mapping */ ((uint8_t)0x04) /* I2C2 Alternate Function mapping */ ((uint8_t)0x04) /* I2C3 Alternate Function mapping */ ((uint8_t)0x05) /* SPI1 Alternate Function mapping */

((uint8_t)0x05) /* SPI2/I2S2 Alternate Function mapping 6

#define GPIO_AF_SPI3 ((uint8_t)0x06) /* SPI3/I2S3 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 */

#define GPIO_AF_I2S3ext /**

* @brief AF 8 selection */

#define GPIO_AF_UART4 #define GPIO_AF_UART5 #define GPIO_AF_USART6 */ /**

* @brief AF 9 selection */

#define GPIO_AF_CAN1 #define GPIO_AF_CAN2 #define GPIO_AF_TIM12 #define GPIO_AF_TIM13 #define GPIO_AF_TIM14 /**

* @brief AF 10 selection */

#define GPIO_AF_OTG_FS */

#define GPIO_AF_OTG_HS */ /**

* @brief AF 11 selection */

#define GPIO_AF_ETH mapping */

((uint8_t)0x07) /* USART3 Alternate Function mapping ((uint8_t)0x07) /* I2S3ext Alternate Function mapping */ ((uint8_t)0x08) /* UART4 Alternate Function mapping */ ((uint8_t)0x08) /* UART5 Alternate Function mapping */ ((uint8_t)0x08) /* USART6 Alternate Function mapping ((uint8_t)0x09) /* CAN1 Alternate Function mapping */ ((uint8_t)0x09) /* CAN2 Alternate Function mapping */ ((uint8_t)0x09) /* TIM12 Alternate Function mapping */ ((uint8_t)0x09) /* TIM13 Alternate Function mapping */ ((uint8_t)0x09) /* TIM14 Alternate Function mapping */ ((uint8_t)0xA) /* OTG_FS Alternate Function mapping ((uint8_t)0xA) /* OTG_HS Alternate Function mapping ((uint8_t)0x0B) /* ETHERNET Alternate Function 7

/**

* @brief AF 12 selection */

#define GPIO_AF_FSMC ((uint8_t)0xC) /* FSMC Alternate Function mapping */

#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 15 selection */

#define GPIO_AF_EVENTOUT ((uint8_t)0x0F) /* EVENTOUT Alternate Function mapping */

#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) ==

8

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_FSMC) || \\

((AF) == GPIO_AF_OTG_HS_FS) || ((AF) == GPIO_AF_SDIO) || \\

((AF) == GPIO_AF_DCMI) || ((AF) == GPIO_AF_EVENTOUT)) /** * @} */

/** @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 /** * @} */ /** * @} */

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

/* Function used to set the GPIO configuration to the default reset state ****/ void GPIO_DeInit(GPIO_TypeDef* GPIOx);

/* Initialization and Configuration functions *********************************/ void GPIO_Init(GPIO_TypeDef* GPIOx, GPIO_InitTypeDef* GPIO_InitStruct); void GPIO_StructInit(GPIO_InitTypeDef* GPIO_InitStruct);

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void GPIO_PinLockConfig(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin);

/* GPIO Read and Write functions **********************************************/ uint8_t GPIO_ReadInputDataBit(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin); uint16_t GPIO_ReadInputData(GPIO_TypeDef* GPIOx);

uint8_t GPIO_ReadOutputDataBit(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin); uint16_t GPIO_ReadOutputData(GPIO_TypeDef* GPIOx);

void GPIO_SetBits(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin); void GPIO_ResetBits(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin);

void GPIO_WriteBit(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin, BitAction BitVal); void GPIO_Write(GPIO_TypeDef* GPIOx, uint16_t PortVal);

void GPIO_ToggleBits(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin);

/* GPIO Alternate functions configuration function ****************************/

void GPIO_PinAFConfig(GPIO_TypeDef* GPIOx, uint16_t GPIO_PinSource, uint8_t GPIO_AF);

#ifdef __cplusplus }

#endif

#endif /*__STM32F4xx_GPIO_H */ /** * @} */ /** * @} */

/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/

typedef struct {

__IO uint32_t MODER; /*!< GPIO port mode register, Address offset: 0x00 */

__IO uint32_t OTYPER; /*!< GPIO port output type register, Address offset: 0x04 */

__IO uint32_t OSPEEDR; /*!< GPIO port output speed register, Address offset: 0x08

10

*/

__IO uint32_t PUPDR; /*!< GPIO port pull-up/pull-down register, Address offset: 0x0C */

__IO uint32_t IDR; /*!< GPIO port input data register, Address offset: 0x10 */

__IO uint32_t ODR; /*!< GPIO port output data register, Address offset: 0x14 */

__IO uint16_t BSRRL; /*!< GPIO port bit set/reset low register, Address offset: 0x18 */

__IO uint16_t BSRRH; */

__IO uint32_t LCKR; */

__IO uint32_t AFR[2]; 0x20-0x24 */ } GPIO_TypeDef;

/*!< GPIO port bit set/reset high register, Address offset: 0x1A /*!< GPIO port configuration lock register, Address offset: 0x1C /*!< GPIO alternate function registers, Address offset: 11

*/

__IO uint32_t PUPDR; /*!< GPIO port pull-up/pull-down register, Address offset: 0x0C */

__IO uint32_t IDR; /*!< GPIO port input data register, Address offset: 0x10 */

__IO uint32_t ODR; /*!< GPIO port output data register, Address offset: 0x14 */

__IO uint16_t BSRRL; /*!< GPIO port bit set/reset low register, Address offset: 0x18 */

__IO uint16_t BSRRH; */

__IO uint32_t LCKR; */

__IO uint32_t AFR[2]; 0x20-0x24 */ } GPIO_TypeDef;

/*!< GPIO port bit set/reset high register, Address offset: 0x1A /*!< GPIO port configuration lock register, Address offset: 0x1C /*!< GPIO alternate function registers, Address offset: 11

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