stm32l4xx_hal_gpio.h File Reference

Header file of GPIO HAL module. More...

#include "stm32l4xx_hal_def.h"
#include "stm32l4xx_hal_gpio_ex.h"

Go to the source code of this file.

Data Structures
struct	GPIO_InitTypeDef
	GPIO Init structure definition. More...
Defines
#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 */
#define	GPIO_PIN_MASK   ((uint32_t)0x0000FFFF) /* PIN mask for assert test */
#define	GPIO_MODE_INPUT   MODE_INPUT
#define	GPIO_MODE_OUTPUT_PP   (MODE_OUTPUT | OUTPUT_PP)
#define	GPIO_MODE_OUTPUT_OD   (MODE_OUTPUT | OUTPUT_OD)
#define	GPIO_MODE_AF_PP   (MODE_AF | OUTPUT_PP)
#define	GPIO_MODE_AF_OD   (MODE_AF | OUTPUT_OD)
#define	GPIO_MODE_ANALOG   MODE_ANALOG
#define	GPIO_MODE_ANALOG_ADC_CONTROL   (MODE_ANALOG | 0x8uL)
#define	GPIO_MODE_IT_RISING   (MODE_INPUT | EXTI_IT | TRIGGER_RISING)
#define	GPIO_MODE_IT_FALLING   (MODE_INPUT | EXTI_IT | TRIGGER_FALLING)
#define	GPIO_MODE_IT_RISING_FALLING   (MODE_INPUT | EXTI_IT | TRIGGER_RISING | TRIGGER_FALLING)
#define	GPIO_MODE_EVT_RISING   (MODE_INPUT | EXTI_EVT | TRIGGER_RISING)
#define	GPIO_MODE_EVT_FALLING   (MODE_INPUT | EXTI_EVT | TRIGGER_FALLING)
#define	GPIO_MODE_EVT_RISING_FALLING   (MODE_INPUT | EXTI_EVT | TRIGGER_RISING | TRIGGER_FALLING)
#define	GPIO_SPEED_FREQ_LOW   0x00000000u
#define	GPIO_SPEED_FREQ_MEDIUM   0x00000001u
#define	GPIO_SPEED_FREQ_HIGH   0x00000002u
#define	GPIO_SPEED_FREQ_VERY_HIGH   0x00000003u
#define	GPIO_NOPULL   0x00000000u
#define	GPIO_PULLUP   0x00000001u
#define	GPIO_PULLDOWN   0x00000002u
#define	__HAL_GPIO_EXTI_GET_FLAG(__EXTI_LINE__)   (EXTI->PR1 & (__EXTI_LINE__))
	Check whether the specified EXTI line flag is set or not.
#define	__HAL_GPIO_EXTI_CLEAR_FLAG(__EXTI_LINE__)   (EXTI->PR1 = (__EXTI_LINE__))
	Clear the EXTI's line pending flags.
#define	__HAL_GPIO_EXTI_GET_IT(__EXTI_LINE__)   (EXTI->PR1 & (__EXTI_LINE__))
	Check whether the specified EXTI line is asserted or not.
#define	__HAL_GPIO_EXTI_CLEAR_IT(__EXTI_LINE__)   (EXTI->PR1 = (__EXTI_LINE__))
	Clear the EXTI's line pending bits.
#define	__HAL_GPIO_EXTI_GENERATE_SWIT(__EXTI_LINE__)   (EXTI->SWIER1 |= (__EXTI_LINE__))
	Generate a Software interrupt on selected EXTI line.
#define	GPIO_MODE_Pos   0u
#define	GPIO_MODE   (0x3uL << GPIO_MODE_Pos)
#define	MODE_INPUT   (0x0uL << GPIO_MODE_Pos)
#define	MODE_OUTPUT   (0x1uL << GPIO_MODE_Pos)
#define	MODE_AF   (0x2uL << GPIO_MODE_Pos)
#define	MODE_ANALOG   (0x3uL << GPIO_MODE_Pos)
#define	OUTPUT_TYPE_Pos   4u
#define	OUTPUT_TYPE   (0x1uL << OUTPUT_TYPE_Pos)
#define	OUTPUT_PP   (0x0uL << OUTPUT_TYPE_Pos)
#define	OUTPUT_OD   (0x1uL << OUTPUT_TYPE_Pos)
#define	EXTI_MODE_Pos   16u
#define	EXTI_MODE   (0x3uL << EXTI_MODE_Pos)
#define	EXTI_IT   (0x1uL << EXTI_MODE_Pos)
#define	EXTI_EVT   (0x2uL << EXTI_MODE_Pos)
#define	TRIGGER_MODE_Pos   20u
#define	TRIGGER_MODE   (0x7uL << TRIGGER_MODE_Pos)
#define	TRIGGER_RISING   (0x1uL << TRIGGER_MODE_Pos)
#define	TRIGGER_FALLING   (0x2uL << TRIGGER_MODE_Pos)
#define	IS_GPIO_PIN_ACTION(ACTION)   (((ACTION) == GPIO_PIN_RESET) || ((ACTION) == GPIO_PIN_SET))
#define	IS_GPIO_PIN(__PIN__)
#define	IS_GPIO_MODE(__MODE__)
#define	IS_GPIO_SPEED(__SPEED__)
#define	IS_GPIO_PULL(__PULL__)
Enumerations
enum	GPIO_PinState { GPIO_PIN_RESET = 0U, GPIO_PIN_SET }
	GPIO Bit SET and Bit RESET enumeration. More...
Functions
void	HAL_GPIO_Init (GPIO_TypeDef *GPIOx, GPIO_InitTypeDef *GPIO_Init)
	Initialize the GPIOx peripheral according to the specified parameters in the GPIO_Init.
void	HAL_GPIO_DeInit (GPIO_TypeDef *GPIOx, uint32_t GPIO_Pin)
	De-initialize the GPIOx peripheral registers to their default reset values.
GPIO_PinState	HAL_GPIO_ReadPin (GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin)
	Read the specified input port pin.
void	HAL_GPIO_WritePin (GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin, GPIO_PinState PinState)
	Set or clear the selected data port bit.
void	HAL_GPIO_TogglePin (GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin)
	Toggle the specified GPIO pin.
HAL_StatusTypeDef	HAL_GPIO_LockPin (GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin)
	Lock GPIO Pins configuration registers.
void	HAL_GPIO_EXTI_IRQHandler (uint16_t GPIO_Pin)
	Handle EXTI interrupt request.
__weak void	HAL_GPIO_EXTI_Callback (uint16_t GPIO_Pin)
	EXTI line detection callback.

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Detailed Description

Header file of GPIO HAL module.

Author:

MCD Application Team

Attention:

Copyright (c) 2017 STMicroelectronics. All rights reserved.

This software is licensed under terms that can be found in the LICENSE file in the root directory of this software component. If no LICENSE file comes with this software, it is provided AS-IS.

Definition in file stm32l4xx_hal_gpio.h.