/**
******************************************************************************
* @file stm32l1xx_hal_gpio.h
* @author MCD Application Team
* @brief Header file of GPIO HAL module.
******************************************************************************
* @attention
*
* <h2><center>© Copyright (c) 2017 STMicroelectronics.
* All rights reserved.</center></h2>
*
* This software component is licensed by ST under BSD 3-Clause license,
* the "License"; You may not use this file except in compliance with the
* License. You may obtain a copy of the License at:
* opensource.org/licenses/BSD-3-Clause
*
******************************************************************************
*/
/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __STM32L1xx_HAL_GPIO_H
#define __STM32L1xx_HAL_GPIO_H
#ifdef __cplusplus
extern "C" {
#endif
/* Includes ------------------------------------------------------------------*/
#include "stm32l1xx_hal_def.h"
/** @addtogroup STM32L1xx_HAL_Driver
* @{
*/
/** @defgroup GPIO GPIO
* @brief GPIO HAL module driver
* @{
*/
/* Exported types ------------------------------------------------------------*/
/** @defgroup GPIO_Exported_Types GPIO Exported Types
* @{
*/
/**
* @brief GPIO Init structure definition
*/
typedef struct
{
uint32_t Pin; /*!< Specifies the GPIO pins to be configured.
This parameter can be any value of @ref GPIO_pins */
uint32_t Mode; /*!< Specifies the operating mode for the selected pins.
This parameter can be a value of @ref GPIO_mode */
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 */
uint32_t Speed; /*!< Specifies the speed for the selected pins.
This parameter can be a value of @ref GPIO_speed */
uint32_t Alternate; /*!< Peripheral to be connected to the selected pins
This parameter can be a value of @ref GPIOEx_Alternate_function_selection */
} GPIO_InitTypeDef;
/**
* @brief GPIO Bit SET and Bit RESET enumeration
*/
typedef enum
{
GPIO_PIN_RESET = 0,
GPIO_PIN_SET
} GPIO_PinState;
/**
* @}
*/
/* Exported constants --------------------------------------------------------*/
/** @defgroup GPIO_Exported_Constants GPIO Exported Constants
* @{
*/
/** @defgroup GPIO_pins GPIO pins
* @{
*/
#define GPIO_PIN_0 ((uint16_t)0x0001U) /* Pin 0 selected */
#define GPIO_PIN_1 ((uint16_t)0x0002U) /* Pin 1 selected */
#define GPIO_PIN_2 ((uint16_t)0x0004U) /* Pin 2 selected */
#define GPIO_PIN_3 ((uint16_t)0x0008U) /* Pin 3 selected */
#define GPIO_PIN_4 ((uint16_t)0x0010U) /* Pin 4 selected */
#define GPIO_PIN_5 ((uint16_t)0x0020U) /* Pin 5 selected */
#define GPIO_PIN_6 ((uint16_t)0x0040U) /* Pin 6 selected */
#define GPIO_PIN_7 ((uint16_t)0x0080U) /* Pin 7 selected */
#define GPIO_PIN_8 ((uint16_t)0x0100U) /* Pin 8 selected */
#define GPIO_PIN_9 ((uint16_t)0x0200U) /* Pin 9 selected */
#define GPIO_PIN_10 ((uint16_t)0x0400U) /* Pin 10 selected */
#define GPIO_PIN_11 ((uint16_t)0x0800U) /* Pin 11 selected */
#define GPIO_PIN_12 ((uint16_t)0x1000U) /* Pin 12 selected */
#define GPIO_PIN_13 ((uint16_t)0x2000U) /* Pin 13 selected */
#define GPIO_PIN_14 ((uint16_t)0x4000U) /* Pin 14 selected */
#define GPIO_PIN_15 ((uint16_t)0x8000U) /* Pin 15 selected */
#define GPIO_PIN_All ((uint16_t)0xFFFFU) /* All pins selected */
#define GPIO_PIN_MASK (0x0000FFFFU) /* PIN mask for assert test */
/**
* @}
*/
/** @defgroup GPIO_mode GPIO mode
* @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_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 */
/**
* @}
*/
/** @defgroup GPIO_speed GPIO speed
* @brief GPIO Output Maximum frequency
* @{
*/
#define GPIO_SPEED_FREQ_LOW (0x00000000U) /*!< max: 400 KHz, please refer to the product datasheet */
#define GPIO_SPEED_FREQ_MEDIUM (0x00000001U) /*!< max: 1 MHz to 2 MHz, please refer to the product datasheet */
#define GPIO_SPEED_FREQ_HIGH (0x00000002U) /*!< max: 2 MHz to 10 MHz, please refer to the product datasheet */
#define GPIO_SPEED_FREQ_VERY_HIGH (0x00000003U) /*!< max: 8 MHz to 50 MHz, please refer to the product datasheet */
/**
* @}
*/
/** @defgroup GPIO_pull GPIO pull
* @brief GPIO Pull-Up or Pull-Down Activation
* @{
*/
#define GPIO_NOPULL (0x00000000U) /*!< No Pull-up or Pull-down activation */
#define GPIO_PULLUP (0x00000001U) /*!< Pull-up activation */
#define GPIO_PULLDOWN (0x00000002U) /*!< Pull-down activation */
/**
* @}
*/
/**
* @}
*/
/* Private constants ---------------------------------------------------------*/
/** @defgroup GPIO_Private_Constants GPIO Private Constants
* @{
*/
/**
* @}
*/
/* Private macros --------------------------------------------------------*/
/** @defgroup GPIO_Private_Macros GPIO Private Macros
* @{
*/
#define IS_GPIO_PIN_ACTION(ACTION) (((ACTION) == GPIO_PIN_RESET) || ((ACTION) == GPIO_PIN_SET))
#define IS_GPIO_PIN(__PIN__) ((((uint32_t)(__PIN__) & GPIO_PIN_MASK) != 0x00U) &&\
(((uint32_t)(__PIN__) & ~GPIO_PIN_MASK) == 0x00U))
#define IS_GPIO_PULL(PULL) (((PULL) == GPIO_NOPULL) || ((PULL) == GPIO_PULLUP) || \
((PULL) == GPIO_PULLDOWN))
#define IS_GPIO_SPEED(SPEED) (((SPEED) == GPIO_SPEED_FREQ_LOW) || ((SPEED) == GPIO_SPEED_FREQ_MEDIUM) || \
((SPEED) == GPIO_SPEED_FREQ_HIGH) || ((SPEED) == GPIO_SPEED_FREQ_VERY_HIGH))
#define IS_GPIO_MODE(MODE) (((MODE) == GPIO_MODE_INPUT) ||\
((MODE) == GPIO_MODE_OUTPUT_PP) ||\
((MODE) == GPIO_MODE_OUTPUT_OD) ||\
((MODE) == GPIO_MODE_AF_PP) ||\
((MODE) == GPIO_MODE_AF_OD) ||\
((MODE) == GPIO_MODE_IT_RISING) ||\
((MODE) == GPIO_MODE_IT_FALLING) ||\
((MODE) == GPIO_MODE_IT_RISING_FALLING) ||\
((MODE) == GPIO_MODE_EVT_RISING) ||\
((MODE) == GPIO_MODE_EVT_FALLING) ||\
((MODE) == GPIO_MODE_EVT_RISING_FALLING) ||\
((MODE) == GPIO_MODE_ANALOG))
/**
* @}
*/
/* Exported macro ------------------------------------------------------------*/
/** @defgroup GPIO_Exported_Macros GPIO Exported Macros
* @{
*/
/**
* @brief Checks whether the specified EXTI line flag is set or not.
* @param __EXTI_LINE__ specifies the EXTI line flag to check.
* This parameter can be GPIO_PIN_x where x can be(0..15)
* @retval The new state of __EXTI_LINE__ (SET or RESET).
*/
#define __HAL_GPIO_EXTI_GET_FLAG(__EXTI_LINE__) (EXTI->PR & (__EXTI_LINE__))
/**
* @brief Clears the EXTI's line pending flags.
* @param __EXTI_LINE__ specifies the EXTI lines flags to clear.
* This parameter can be any combination of GPIO_PIN_x where x can be (0..15)
* @retval None
*/
#define __HAL_GPIO_EXTI_CLEAR_FLAG(__EXTI_LINE__) (EXTI->PR = (__EXTI_LINE__))
/**
* @brief Checks whether the specified EXTI line is asserted or not.
* @param __EXTI_LINE__ specifies the EXTI line to check.
* This parameter can be GPIO_PIN_x where x can be(0..15)
* @retval The new state of __EXTI_LINE__ (SET or RESET).
*/
#define __HAL_GPIO_EXTI_GET_IT(__EXTI_LINE__) (EXTI->PR & (__EXTI_LINE__))
/**
* @brief Clears the EXTI's line pending bits.
* @param __EXTI_LINE__ specifies the EXTI lines to clear.
* This parameter can be any combination of GPIO_PIN_x where x can be (0..15)
* @retval None
*/
#define __HAL_GPIO_EXTI_CLEAR_IT(__EXTI_LINE__) (EXTI->PR = (__EXTI_LINE__))
/**
* @brief Generates a Software interrupt on selected EXTI line.
* @param __EXTI_LINE__ specifies the EXTI line to check.
* This parameter can be GPIO_PIN_x where x can be(0..15)
* @retval None
*/
#define __HAL_GPIO_EXTI_GENERATE_SWIT(__EXTI_LINE__) (EXTI->SWIER |= (__EXTI_LINE__))
/**
* @}
*/
/* Include GPIO HAL Extension module */
#include "stm32l1xx_hal_gpio_ex.h"
/* Exported functions --------------------------------------------------------*/
/** @defgroup GPIO_Exported_Functions GPIO Exported Functions
* @brief GPIO Exported Functions
* @{
*/
/** @defgroup GPIO_Exported_Functions_Group1 Initialization and Configuration functions
* @brief Initialization and Configuration functions
* @{
*/
/* 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);
/**
* @}
*/
/** @defgroup GPIO_Exported_Functions_Group2 IO operation functions
* @brief IO operation functions
* @{
*/
/* 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);
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
#ifdef __cplusplus
}
#endif
#endif /* __STM32L1xx_HAL_GPIO_H */
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/