324 lines
14 KiB
C
324 lines
14 KiB
C
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/**
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******************************************************************************
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* @file stm32l4xx_hal_gpio.h
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* @author MCD Application Team
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* @brief Header file of GPIO HAL module.
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******************************************************************************
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* @attention
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*
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* Copyright (c) 2017 STMicroelectronics.
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* All rights reserved.
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*
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* This software is licensed under terms that can be found in the LICENSE file
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* in the root directory of this software component.
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* If no LICENSE file comes with this software, it is provided AS-IS.
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*
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******************************************************************************
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*/
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/* Define to prevent recursive inclusion -------------------------------------*/
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#ifndef STM32L4xx_HAL_GPIO_H
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#define STM32L4xx_HAL_GPIO_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Includes ------------------------------------------------------------------*/
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#include "stm32l4xx_hal_def.h"
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/** @addtogroup STM32L4xx_HAL_Driver
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* @{
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*/
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/** @addtogroup GPIO
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* @{
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*/
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/* Exported types ------------------------------------------------------------*/
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/** @defgroup GPIO_Exported_Types GPIO Exported Types
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* @{
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*/
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/**
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* @brief GPIO Init structure definition
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*/
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typedef struct
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{
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uint32_t Pin; /*!< Specifies the GPIO pins to be configured.
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This parameter can be any value of @ref GPIO_pins */
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uint32_t Mode; /*!< Specifies the operating mode for the selected pins.
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This parameter can be a value of @ref GPIO_mode */
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uint32_t Pull; /*!< Specifies the Pull-up or Pull-Down activation for the selected pins.
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This parameter can be a value of @ref GPIO_pull */
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uint32_t Speed; /*!< Specifies the speed for the selected pins.
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This parameter can be a value of @ref GPIO_speed */
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uint32_t Alternate; /*!< Peripheral to be connected to the selected pins
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This parameter can be a value of @ref GPIOEx_Alternate_function_selection */
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} GPIO_InitTypeDef;
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/**
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* @brief GPIO Bit SET and Bit RESET enumeration
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*/
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typedef enum
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{
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GPIO_PIN_RESET = 0U,
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GPIO_PIN_SET
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} GPIO_PinState;
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/**
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* @}
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*/
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/* Exported constants --------------------------------------------------------*/
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/** @defgroup GPIO_Exported_Constants GPIO Exported Constants
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* @{
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*/
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/** @defgroup GPIO_pins GPIO pins
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* @{
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*/
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#define GPIO_PIN_0 ((uint16_t)0x0001) /* Pin 0 selected */
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#define GPIO_PIN_1 ((uint16_t)0x0002) /* Pin 1 selected */
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#define GPIO_PIN_2 ((uint16_t)0x0004) /* Pin 2 selected */
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#define GPIO_PIN_3 ((uint16_t)0x0008) /* Pin 3 selected */
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#define GPIO_PIN_4 ((uint16_t)0x0010) /* Pin 4 selected */
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#define GPIO_PIN_5 ((uint16_t)0x0020) /* Pin 5 selected */
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#define GPIO_PIN_6 ((uint16_t)0x0040) /* Pin 6 selected */
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#define GPIO_PIN_7 ((uint16_t)0x0080) /* Pin 7 selected */
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#define GPIO_PIN_8 ((uint16_t)0x0100) /* Pin 8 selected */
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#define GPIO_PIN_9 ((uint16_t)0x0200) /* Pin 9 selected */
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#define GPIO_PIN_10 ((uint16_t)0x0400) /* Pin 10 selected */
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#define GPIO_PIN_11 ((uint16_t)0x0800) /* Pin 11 selected */
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#define GPIO_PIN_12 ((uint16_t)0x1000) /* Pin 12 selected */
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#define GPIO_PIN_13 ((uint16_t)0x2000) /* Pin 13 selected */
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#define GPIO_PIN_14 ((uint16_t)0x4000) /* Pin 14 selected */
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#define GPIO_PIN_15 ((uint16_t)0x8000) /* Pin 15 selected */
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#define GPIO_PIN_All ((uint16_t)0xFFFF) /* All pins selected */
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#define GPIO_PIN_MASK ((uint32_t)0x0000FFFF) /* PIN mask for assert test */
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/**
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* @}
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*/
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/** @defgroup GPIO_mode GPIO mode
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* @brief GPIO Configuration Mode
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* Elements values convention: 0x00WX00YZ
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* - W : EXTI trigger detection on 3 bits
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* - X : EXTI mode (IT or Event) on 2 bits
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* - Y : Output type (Push Pull or Open Drain) on 1 bit
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* - Z : GPIO mode (Input, Output, Alternate or Analog) on 2 bits
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* @{
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*/
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#define GPIO_MODE_INPUT MODE_INPUT /*!< Input Floating Mode */
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#define GPIO_MODE_OUTPUT_PP (MODE_OUTPUT | OUTPUT_PP) /*!< Output Push Pull Mode */
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#define GPIO_MODE_OUTPUT_OD (MODE_OUTPUT | OUTPUT_OD) /*!< Output Open Drain Mode */
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#define GPIO_MODE_AF_PP (MODE_AF | OUTPUT_PP) /*!< Alternate Function Push Pull Mode */
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#define GPIO_MODE_AF_OD (MODE_AF | OUTPUT_OD) /*!< Alternate Function Open Drain Mode */
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#define GPIO_MODE_ANALOG MODE_ANALOG /*!< Analog Mode */
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#define GPIO_MODE_ANALOG_ADC_CONTROL (MODE_ANALOG | 0x8uL) /*!< Analog Mode for ADC conversion (0x0000000Bu)*/
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#define GPIO_MODE_IT_RISING (MODE_INPUT | EXTI_IT | TRIGGER_RISING) /*!< External Interrupt Mode with Rising edge trigger detection */
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#define GPIO_MODE_IT_FALLING (MODE_INPUT | EXTI_IT | TRIGGER_FALLING) /*!< External Interrupt Mode with Falling edge trigger detection */
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#define GPIO_MODE_IT_RISING_FALLING (MODE_INPUT | EXTI_IT | TRIGGER_RISING | TRIGGER_FALLING) /*!< External Interrupt Mode with Rising/Falling edge trigger detection */
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#define GPIO_MODE_EVT_RISING (MODE_INPUT | EXTI_EVT | TRIGGER_RISING) /*!< External Event Mode with Rising edge trigger detection */
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#define GPIO_MODE_EVT_FALLING (MODE_INPUT | EXTI_EVT | TRIGGER_FALLING) /*!< External Event Mode with Falling edge trigger detection */
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#define GPIO_MODE_EVT_RISING_FALLING (MODE_INPUT | EXTI_EVT | TRIGGER_RISING | TRIGGER_FALLING) /*!< External Event Mode with Rising/Falling edge trigger detection */
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/**
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* @}
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*/
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/** @defgroup GPIO_speed GPIO speed
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* @brief GPIO Output Maximum frequency
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* @{
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*/
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#define GPIO_SPEED_FREQ_LOW 0x00000000u /*!< Low speed */
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#define GPIO_SPEED_FREQ_MEDIUM 0x00000001u /*!< Medium speed */
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#define GPIO_SPEED_FREQ_HIGH 0x00000002u /*!< High speed */
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#define GPIO_SPEED_FREQ_VERY_HIGH 0x00000003u /*!< Very high speed */
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/**
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* @}
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*/
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/** @defgroup GPIO_pull GPIO pull
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* @brief GPIO Pull-Up or Pull-Down Activation
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* @{
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*/
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#define GPIO_NOPULL 0x00000000u /*!< No Pull-up or Pull-down activation */
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#define GPIO_PULLUP 0x00000001u /*!< Pull-up activation */
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#define GPIO_PULLDOWN 0x00000002u /*!< Pull-down activation */
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/**
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* @}
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*/
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/**
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* @}
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*/
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/* Exported macro ------------------------------------------------------------*/
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/** @defgroup GPIO_Exported_Macros GPIO Exported Macros
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* @{
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*/
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/**
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* @brief Check whether the specified EXTI line flag is set or not.
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* @param __EXTI_LINE__ specifies the EXTI line flag to check.
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* This parameter can be GPIO_PIN_x where x can be(0..15)
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* @retval The new state of __EXTI_LINE__ (SET or RESET).
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*/
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#define __HAL_GPIO_EXTI_GET_FLAG(__EXTI_LINE__) (EXTI->PR1 & (__EXTI_LINE__))
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/**
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* @brief Clear the EXTI's line pending flags.
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* @param __EXTI_LINE__ specifies the EXTI lines flags to clear.
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* This parameter can be any combination of GPIO_PIN_x where x can be (0..15)
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* @retval None
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*/
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#define __HAL_GPIO_EXTI_CLEAR_FLAG(__EXTI_LINE__) (EXTI->PR1 = (__EXTI_LINE__))
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/**
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* @brief Check whether the specified EXTI line is asserted or not.
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* @param __EXTI_LINE__ specifies the EXTI line to check.
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* This parameter can be GPIO_PIN_x where x can be(0..15)
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* @retval The new state of __EXTI_LINE__ (SET or RESET).
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*/
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#define __HAL_GPIO_EXTI_GET_IT(__EXTI_LINE__) (EXTI->PR1 & (__EXTI_LINE__))
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/**
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* @brief Clear the EXTI's line pending bits.
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* @param __EXTI_LINE__ specifies the EXTI lines to clear.
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* This parameter can be any combination of GPIO_PIN_x where x can be (0..15)
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* @retval None
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*/
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#define __HAL_GPIO_EXTI_CLEAR_IT(__EXTI_LINE__) (EXTI->PR1 = (__EXTI_LINE__))
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/**
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* @brief Generate a Software interrupt on selected EXTI line.
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* @param __EXTI_LINE__ specifies the EXTI line to check.
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* This parameter can be GPIO_PIN_x where x can be(0..15)
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* @retval None
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*/
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#define __HAL_GPIO_EXTI_GENERATE_SWIT(__EXTI_LINE__) (EXTI->SWIER1 |= (__EXTI_LINE__))
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/**
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* @}
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*/
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/* Private macros ------------------------------------------------------------*/
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/** @defgroup GPIO_Private_Constants GPIO Private Constants
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* @{
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*/
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#define GPIO_MODE_Pos 0u
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#define GPIO_MODE (0x3uL << GPIO_MODE_Pos)
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#define MODE_INPUT (0x0uL << GPIO_MODE_Pos)
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#define MODE_OUTPUT (0x1uL << GPIO_MODE_Pos)
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#define MODE_AF (0x2uL << GPIO_MODE_Pos)
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#define MODE_ANALOG (0x3uL << GPIO_MODE_Pos)
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#define OUTPUT_TYPE_Pos 4u
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#define OUTPUT_TYPE (0x1uL << OUTPUT_TYPE_Pos)
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#define OUTPUT_PP (0x0uL << OUTPUT_TYPE_Pos)
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#define OUTPUT_OD (0x1uL << OUTPUT_TYPE_Pos)
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#define EXTI_MODE_Pos 16u
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#define EXTI_MODE (0x3uL << EXTI_MODE_Pos)
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#define EXTI_IT (0x1uL << EXTI_MODE_Pos)
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#define EXTI_EVT (0x2uL << EXTI_MODE_Pos)
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#define TRIGGER_MODE_Pos 20u
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#define TRIGGER_MODE (0x7uL << TRIGGER_MODE_Pos)
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#define TRIGGER_RISING (0x1uL << TRIGGER_MODE_Pos)
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#define TRIGGER_FALLING (0x2uL << TRIGGER_MODE_Pos)
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/**
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* @}
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*/
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/** @addtogroup GPIO_Private_Macros GPIO Private Macros
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* @{
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*/
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#define IS_GPIO_PIN_ACTION(ACTION) (((ACTION) == GPIO_PIN_RESET) || ((ACTION) == GPIO_PIN_SET))
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#define IS_GPIO_PIN(__PIN__) ((((uint32_t)(__PIN__) & GPIO_PIN_MASK) != 0x00U) &&\
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(((uint32_t)(__PIN__) & ~GPIO_PIN_MASK) == 0x00U))
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#define IS_GPIO_MODE(__MODE__) (((__MODE__) == GPIO_MODE_INPUT) ||\
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((__MODE__) == GPIO_MODE_OUTPUT_PP) ||\
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((__MODE__) == GPIO_MODE_OUTPUT_OD) ||\
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((__MODE__) == GPIO_MODE_AF_PP) ||\
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((__MODE__) == GPIO_MODE_AF_OD) ||\
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((__MODE__) == GPIO_MODE_IT_RISING) ||\
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((__MODE__) == GPIO_MODE_IT_FALLING) ||\
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((__MODE__) == GPIO_MODE_IT_RISING_FALLING) ||\
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((__MODE__) == GPIO_MODE_EVT_RISING) ||\
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((__MODE__) == GPIO_MODE_EVT_FALLING) ||\
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((__MODE__) == GPIO_MODE_EVT_RISING_FALLING) ||\
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((__MODE__) == GPIO_MODE_ANALOG) ||\
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((__MODE__) == GPIO_MODE_ANALOG_ADC_CONTROL))
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#define IS_GPIO_SPEED(__SPEED__) (((__SPEED__) == GPIO_SPEED_FREQ_LOW) ||\
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((__SPEED__) == GPIO_SPEED_FREQ_MEDIUM) ||\
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((__SPEED__) == GPIO_SPEED_FREQ_HIGH) ||\
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((__SPEED__) == GPIO_SPEED_FREQ_VERY_HIGH))
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#define IS_GPIO_PULL(__PULL__) (((__PULL__) == GPIO_NOPULL) ||\
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((__PULL__) == GPIO_PULLUP) || \
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((__PULL__) == GPIO_PULLDOWN))
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/**
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* @}
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*/
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/* Include GPIO HAL Extended module */
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#include "stm32l4xx_hal_gpio_ex.h"
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/* Exported functions --------------------------------------------------------*/
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/** @addtogroup GPIO_Exported_Functions GPIO Exported Functions
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* @{
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*/
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/** @addtogroup GPIO_Exported_Functions_Group1 Initialization/de-initialization functions
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* @brief Initialization and Configuration functions
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* @{
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*/
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/* Initialization and de-initialization functions *****************************/
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void HAL_GPIO_Init(GPIO_TypeDef *GPIOx, GPIO_InitTypeDef *GPIO_Init);
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void HAL_GPIO_DeInit(GPIO_TypeDef *GPIOx, uint32_t GPIO_Pin);
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/**
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* @}
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*/
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/** @addtogroup GPIO_Exported_Functions_Group2 IO operation functions
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* @{
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*/
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/* IO operation functions *****************************************************/
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GPIO_PinState HAL_GPIO_ReadPin(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin);
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void HAL_GPIO_WritePin(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin, GPIO_PinState PinState);
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void HAL_GPIO_TogglePin(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin);
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HAL_StatusTypeDef HAL_GPIO_LockPin(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin);
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void HAL_GPIO_EXTI_IRQHandler(uint16_t GPIO_Pin);
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void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin);
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/**
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* @}
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*/
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/**
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* @}
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*/
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/**
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* @}
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*/
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/**
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* @}
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*/
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#ifdef __cplusplus
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}
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#endif
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#endif /* STM32L4xx_HAL_GPIO_H */
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