STM32_HAL_GPIO

STM32_HAL_GPIO

功能：设置GPIO及其控制输入输出。

结构体

/**
  * @brief GPIO结构体定义
  */
typedef struct
{
  uint32_t Pin;       /*!< Specifies the GPIO pins to be configured.
                           This parameter can be any value of @ref GPIO_pins_define */

  uint32_t Mode;      /*!< Specifies the operating mode for the selected pins.
                           This parameter can be a value of @ref GPIO_mode_define */

  uint32_t Pull;      /*!< Specifies the Pull-up or Pull-Down activation for the selected pins.
                           This parameter can be a value of @ref GPIO_pull_define */

  uint32_t Speed;     /*!< Specifies the speed for the selected pins.
                           This parameter can be a value of @ref GPIO_speed_define */
} GPIO_InitTypeDef;

枚举

/**
  * @brief  GPIO Bit SET and Bit RESET enumeration
  */
typedef enum
{
  GPIO_PIN_RESET = 0u,
  GPIO_PIN_SET
} GPIO_PinState;

宏定义

输出引脚

/** @defgroup GPIO_Exported_Constants GPIO Exported Constants
  * @{
  */

/** @defgroup GPIO_pins_define 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    */
#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 */

输入/输出模式

/** @defgroup GPIO_mode_define GPIO mode define
  * @brief GPIO Configuration Mode
  *        Elements values convention: 0xX0yz00YZ
  *           - X  : GPIO mode or EXTI Mode
  *           - y  : External IT or Event trigger detection
  *           - z  : IO configuration on External IT or Event
  *           - Y  : Output type (Push Pull or Open Drain)
  *           - Z  : IO Direction mode (Input, Output, Alternate or Analog)
  * @{
  */
#define  GPIO_MODE_INPUT                        0x00000000u   /*!< Input Floating Mode                   */
#define  GPIO_MODE_OUTPUT_PP                    0x00000001u   /*!< Output Push Pull Mode                 */
#define  GPIO_MODE_OUTPUT_OD                    0x00000011u   /*!< Output Open Drain Mode                */
#define  GPIO_MODE_AF_PP                        0x00000002u   /*!< Alternate Function Push Pull Mode     */
#define  GPIO_MODE_AF_OD                        0x00000012u   /*!< Alternate Function Open Drain Mode    */
#define  GPIO_MODE_AF_INPUT                     GPIO_MODE_INPUT          /*!< Alternate Function Input Mode         */

#define  GPIO_MODE_ANALOG                       0x00000003u   /*!< Analog Mode  */

#define  GPIO_MODE_IT_RISING                    0x10110000u   /*!< External Interrupt Mode with Rising edge trigger detection          */
#define  GPIO_MODE_IT_FALLING                   0x10210000u   /*!< External Interrupt Mode with Falling edge trigger detection         */
#define  GPIO_MODE_IT_RISING_FALLING            0x10310000u   /*!< External Interrupt Mode with Rising/Falling edge trigger detection  */

#define  GPIO_MODE_EVT_RISING                   0x10120000u   /*!< External Event Mode with Rising edge trigger detection               */
#define  GPIO_MODE_EVT_FALLING                  0x10220000u   /*!< External Event Mode with Falling edge trigger detection              */
#define  GPIO_MODE_EVT_RISING_FALLING           0x10320000u   /*!< External Event Mode with Rising/Falling edge trigger detection       */

输出速度

#define  GPIO_SPEED_FREQ_LOW              (GPIO_CRL_MODE0_1) /*!< Low speed */
#define  GPIO_SPEED_FREQ_MEDIUM           (GPIO_CRL_MODE0_0) /*!< Medium speed */
#define  GPIO_SPEED_FREQ_HIGH             (GPIO_CRL_MODE0)   /*!< High speed */

函数

 


/* Initialization and de-initialization functions *****************************/
void  HAL_GPIO_Init(GPIO_TypeDef  *GPIOx, GPIO_InitTypeDef *GPIO_Init);
void  HAL_GPIO_DeInit(GPIO_TypeDef  *GPIOx, uint32_t GPIO_Pin);
/* IO operation functions *****************************************************/
GPIO_PinState HAL_GPIO_ReadPin(GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin);
void HAL_GPIO_WritePin(GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin, GPIO_PinState PinState);
void HAL_GPIO_TogglePin(GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin);
HAL_StatusTypeDef HAL_GPIO_LockPin(GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin);
void HAL_GPIO_EXTI_IRQHandler(uint16_t GPIO_Pin);
void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin);

TODO