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/**
******************************************************************************
* @file stm32l0xx_hal_gpio.h
* @author MCD Application Team
* @brief Header file of GPIO HAL module.
******************************************************************************
* @attention
*
* <h2><center>&copy; Copyright(c) 2016 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 __STM32L0xx_HAL_GPIO_H
#define __STM32L0xx_HAL_GPIO_H
#ifdef __cplusplus
extern "C" {
#endif
/* Includes ------------------------------------------------------------------*/
#include "stm32l0xx_hal_def.h"
/** @addtogroup STM32L0xx_HAL_Driver
* @{
*/
/** @defgroup GPIO GPIO
* @{
*/
/******************************************************************************/
/* Exported types ------------------------------------------------------------*/
/******************************************************************************/
/** @defgroup GPIO_Exported_Types GPIO Exported Types
* @{
*/
/** @defgroup GPIO_Init_Configuration GPIO init configuration structure
* @{
*/
/**
* @brief GPIO Init structure definition
*/
typedef struct
{
uint32_t Pin; /*!< Specifies the GPIO pins to be configured.
This parameter can be a combination 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 */
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;
/**
* @}
*/
/** @defgroup GPIO_SetReset_Definition GPIO set reset definition
* @{
*/
/**
* @brief GPIO Bit SET and Bit RESET enumeration
*/
typedef enum
{
GPIO_PIN_RESET = 0U,
GPIO_PIN_SET
} GPIO_PinState;
/**
* @}
*/
#define IS_GPIO_PIN_ACTION(__ACTION__) (((__ACTION__) == GPIO_PIN_RESET) || ((__ACTION__) == GPIO_PIN_SET))
/**
* @}
*/
/******************************************************************************/
/* Exported constants --------------------------------------------------------*/
/******************************************************************************/
/** @defgroup GPIO_Exported_Constants GPIO Exported Constants
* @{
*/
/** @defgroup GPIO_pins_define Pin definition
* @{
*/
#define GPIO_PIN_0 (0x0001U) /* Pin 0 selected */
#define GPIO_PIN_1 (0x0002U) /* Pin 1 selected */
#define GPIO_PIN_2 (0x0004U) /* Pin 2 selected */
#define GPIO_PIN_3 (0x0008U) /* Pin 3 selected */
#define GPIO_PIN_4 (0x0010U) /* Pin 4 selected */
#define GPIO_PIN_5 (0x0020U) /* Pin 5 selected */
#define GPIO_PIN_6 (0x0040U) /* Pin 6 selected */
#define GPIO_PIN_7 (0x0080U) /* Pin 7 selected */
#define GPIO_PIN_8 (0x0100U) /* Pin 8 selected */
#define GPIO_PIN_9 (0x0200U) /* Pin 9 selected */
#define GPIO_PIN_10 (0x0400U) /* Pin 10 selected */
#define GPIO_PIN_11 (0x0800U) /* Pin 11 selected */
#define GPIO_PIN_12 (0x1000U) /* Pin 12 selected */
#define GPIO_PIN_13 (0x2000U) /* Pin 13 selected */
#define GPIO_PIN_14 (0x4000U) /* Pin 14 selected */
#define GPIO_PIN_15 (0x8000U) /* Pin 15 selected */
#define GPIO_PIN_All (0xFFFFU) /* All pins selected */
/**
* @}
*/
#define GPIO_PIN_MASK (0x0000FFFFU) /* PIN mask for assert test */
#define IS_GPIO_PIN(__PIN__) ((((uint32_t)(__PIN__) & GPIO_PIN_MASK) != 0x00U) &&\
(((uint32_t)(__PIN__) & ~GPIO_PIN_MASK) == 0x00U))
/** @defgroup GPIO_mode_define Mode definition
* @brief GPIO Configuration Mode
* Elements values convention: 0x00WX00YZ
* - W : EXTI trigger detection on 3 bits
* - X : EXTI mode (IT or Event) on 2 bits
* - Y : Output type (Push Pull or Open Drain) on 1 bit
* - Z : GPIO mode (Input, Output, Alternate or Analog) on 2 bits
* @{
*/
#define GPIO_MODE_INPUT MODE_INPUT /*!< Input Floating Mode */
#define GPIO_MODE_OUTPUT_PP (MODE_OUTPUT | OUTPUT_PP) /*!< Output Push Pull Mode */
#define GPIO_MODE_OUTPUT_OD (MODE_OUTPUT | OUTPUT_OD) /*!< Output Open Drain Mode */
#define GPIO_MODE_AF_PP (MODE_AF | OUTPUT_PP) /*!< Alternate Function Push Pull Mode */
#define GPIO_MODE_AF_OD (MODE_AF | OUTPUT_OD) /*!< Alternate Function Open Drain Mode */
#define GPIO_MODE_ANALOG MODE_ANALOG /*!< Analog Mode */
#define GPIO_MODE_IT_RISING (MODE_INPUT | EXTI_IT | TRIGGER_RISING) /*!< External Interrupt Mode with Rising edge trigger detection */
#define GPIO_MODE_IT_FALLING (MODE_INPUT | EXTI_IT | TRIGGER_FALLING) /*!< External Interrupt Mode with Falling edge trigger detection */
#define GPIO_MODE_IT_RISING_FALLING (MODE_INPUT | EXTI_IT | TRIGGER_RISING | TRIGGER_FALLING) /*!< External Interrupt Mode with Rising/Falling edge trigger detection */
#define GPIO_MODE_EVT_RISING (MODE_INPUT | EXTI_EVT | TRIGGER_RISING) /*!< External Event Mode with Rising edge trigger detection */
#define GPIO_MODE_EVT_FALLING (MODE_INPUT | EXTI_EVT | TRIGGER_FALLING) /*!< External Event Mode with Falling edge trigger detection */
#define GPIO_MODE_EVT_RISING_FALLING (MODE_INPUT | EXTI_EVT | TRIGGER_RISING | TRIGGER_FALLING) /*!< External Event Mode with Rising/Falling edge trigger detection */
/**
* @}
*/
#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))
/** @defgroup GPIO_speed_define Speed definition
* @brief GPIO Output Maximum frequency
* @{
*/
#define GPIO_SPEED_FREQ_LOW (0x00000000U) /*!< range up to 0.4 MHz, please refer to the product datasheet */
#define GPIO_SPEED_FREQ_MEDIUM (0x00000001U) /*!< range 0.4 MHz to 2 MHz, please refer to the product datasheet */
#define GPIO_SPEED_FREQ_HIGH (0x00000002U) /*!< range 2 MHz to 10 MHz, please refer to the product datasheet */
#define GPIO_SPEED_FREQ_VERY_HIGH (0x00000003U) /*!< range 10 MHz to 35 MHz, please refer to the product datasheet */
/**
* @}
*/
#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))
/** @defgroup GPIO_pull_define Pull definition
* @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 */
/**
* @}
*/
#define IS_GPIO_PULL(__PULL__) (((__PULL__) == GPIO_NOPULL) || ((__PULL__) == GPIO_PULLUP) || \
((__PULL__) == GPIO_PULLDOWN))
/**
* @}
*/
/******************************************************************************/
/* Exported macro ------------------------------------------------------------*/
/******************************************************************************/
/* Exported macro ------------------------------------------------------------*/
/** @defgroup GPIO_Exported_Macro 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 "stm32l0xx_hal_gpio_ex.h"
/******************************************************************************/
/* Exported functions --------------------------------------------------------*/
/******************************************************************************/
/* Exported functions --------------------------------------------------------*/
/** @defgroup GPIO_Exported_Functions GPIO Exported Functions
* @{
*/
/* Initialization and de-initialization functions *******************************/
/** @defgroup GPIO_Exported_Functions_Group1 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 *******************************************************/
/** @defgroup GPIO_Exported_Functions_Group2 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);
/**
* @}
*/
/**
* @}
*/
/* Define the private group ***********************************/
/**************************************************************/
/** @defgroup GPIO_Private GPIO Private
* @{
*/
#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)
/**
* @}
*/
/**************************************************************/
/**
* @}
*/
/**
* @}
*/
#ifdef __cplusplus
}
#endif
#endif /* __STM32L0xx_HAL_GPIO_H */
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/