/** ****************************************************************************** * @file stm32f0xx_exti.h * @author MCD Application Team * @version V1.5.1 * @date 13-October-2021 * @brief This file contains all the functions prototypes for the EXTI * firmware library ****************************************************************************** * @attention * * Copyright (c) 2014 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. * ****************************************************************************** */ /* Define to prevent recursive inclusion -------------------------------------*/ #ifndef __STM32F0XX_EXTI_H #define __STM32F0XX_EXTI_H #ifdef __cplusplus extern "C" { #endif /* Includes ------------------------------------------------------------------*/ #include "stm32f0xx.h" /** @addtogroup STM32F0xx_StdPeriph_Driver * @{ */ /** @addtogroup EXTI * @{ */ /* Exported types ------------------------------------------------------------*/ /** * @brief EXTI mode enumeration */ typedef enum { EXTI_Mode_Interrupt = 0x00, EXTI_Mode_Event = 0x04 }EXTIMode_TypeDef; #define IS_EXTI_MODE(MODE) (((MODE) == EXTI_Mode_Interrupt) || ((MODE) == EXTI_Mode_Event)) /** * @brief EXTI Trigger enumeration */ typedef enum { EXTI_Trigger_Rising = 0x08, EXTI_Trigger_Falling = 0x0C, EXTI_Trigger_Rising_Falling = 0x10 }EXTITrigger_TypeDef; #define IS_EXTI_TRIGGER(TRIGGER) (((TRIGGER) == EXTI_Trigger_Rising) || \ ((TRIGGER) == EXTI_Trigger_Falling) || \ ((TRIGGER) == EXTI_Trigger_Rising_Falling)) /** * @brief EXTI Init Structure definition */ typedef struct { uint32_t EXTI_Line; /*!< Specifies the EXTI lines to be enabled or disabled. This parameter can be any combination of @ref EXTI_Lines */ EXTIMode_TypeDef EXTI_Mode; /*!< Specifies the mode for the EXTI lines. This parameter can be a value of @ref EXTIMode_TypeDef */ EXTITrigger_TypeDef EXTI_Trigger; /*!< Specifies the trigger signal active edge for the EXTI lines. This parameter can be a value of @ref EXTIMode_TypeDef */ FunctionalState EXTI_LineCmd; /*!< Specifies the new state of the selected EXTI lines. This parameter can be set either to ENABLE or DISABLE */ }EXTI_InitTypeDef; /* Exported constants --------------------------------------------------------*/ /** @defgroup EXTI_Exported_Constants * @{ */ /** @defgroup EXTI_Lines * @{ */ #define EXTI_Line0 ((uint32_t)0x00000001) /*!< External interrupt line 0 */ #define EXTI_Line1 ((uint32_t)0x00000002) /*!< External interrupt line 1 */ #define EXTI_Line2 ((uint32_t)0x00000004) /*!< External interrupt line 2 */ #define EXTI_Line3 ((uint32_t)0x00000008) /*!< External interrupt line 3 */ #define EXTI_Line4 ((uint32_t)0x00000010) /*!< External interrupt line 4 */ #define EXTI_Line5 ((uint32_t)0x00000020) /*!< External interrupt line 5 */ #define EXTI_Line6 ((uint32_t)0x00000040) /*!< External interrupt line 6 */ #define EXTI_Line7 ((uint32_t)0x00000080) /*!< External interrupt line 7 */ #define EXTI_Line8 ((uint32_t)0x00000100) /*!< External interrupt line 8 */ #define EXTI_Line9 ((uint32_t)0x00000200) /*!< External interrupt line 9 */ #define EXTI_Line10 ((uint32_t)0x00000400) /*!< External interrupt line 10 */ #define EXTI_Line11 ((uint32_t)0x00000800) /*!< External interrupt line 11 */ #define EXTI_Line12 ((uint32_t)0x00001000) /*!< External interrupt line 12 */ #define EXTI_Line13 ((uint32_t)0x00002000) /*!< External interrupt line 13 */ #define EXTI_Line14 ((uint32_t)0x00004000) /*!< External interrupt line 14 */ #define EXTI_Line15 ((uint32_t)0x00008000) /*!< External interrupt line 15 */ #define EXTI_Line16 ((uint32_t)0x00010000) /*!< External interrupt line 16 Connected to the PVD Output, not applicable for STM32F030 devices */ #define EXTI_Line17 ((uint32_t)0x00020000) /*!< Internal interrupt line 17 Connected to the RTC Alarm event */ #define EXTI_Line18 ((uint32_t)0x00040000) /*!< Internal interrupt line 18 Connected to the USB event, only applicable for STM32F072 devices */ #define EXTI_Line19 ((uint32_t)0x00080000) /*!< Internal interrupt line 19 Connected to the RTC Tamper and Time Stamp events */ #define EXTI_Line20 ((uint32_t)0x00100000) /*!< Internal interrupt line 20 Connected to the RTC wakeup event, only applicable for STM32F072 devices */ #define EXTI_Line21 ((uint32_t)0x00200000) /*!< Internal interrupt line 21 Connected to the Comparator 1 event, only applicable for STM32F051 ans STM32F072 devices */ #define EXTI_Line22 ((uint32_t)0x00400000) /*!< Internal interrupt line 22 Connected to the Comparator 2 event, only applicable for STM32F051 and STM32F072 devices */ #define EXTI_Line23 ((uint32_t)0x00800000) /*!< Internal interrupt line 23 Connected to the I2C1 wakeup event, not applicable for STM32F030 devices */ #define EXTI_Line25 ((uint32_t)0x02000000) /*!< Internal interrupt line 25 Connected to the USART1 wakeup event, not applicable for STM32F030 devices */ #define EXTI_Line26 ((uint32_t)0x04000000) /*!< Internal interrupt line 26 Connected to the USART2 wakeup event, applicable only for STM32F072 devices */ #define EXTI_Line27 ((uint32_t)0x08000000) /*!< Internal interrupt line 27 Connected to the CEC wakeup event, applicable only for STM32F051 and STM32F072 devices */ #define EXTI_Line31 ((uint32_t)0x80000000) /*!< Internal interrupt line 31 Connected to the VDD USB monitor event, applicable only for STM32F072 devices */ #define IS_EXTI_LINE(LINE) ((((LINE) & (uint32_t)0x71000000) == 0x00) && ((LINE) != (uint16_t)0x00)) #define IS_GET_EXTI_LINE(LINE) (((LINE) == EXTI_Line0) || ((LINE) == EXTI_Line1) || \ ((LINE) == EXTI_Line2) || ((LINE) == EXTI_Line3) || \ ((LINE) == EXTI_Line4) || ((LINE) == EXTI_Line5) || \ ((LINE) == EXTI_Line6) || ((LINE) == EXTI_Line7) || \ ((LINE) == EXTI_Line8) || ((LINE) == EXTI_Line9) || \ ((LINE) == EXTI_Line10) || ((LINE) == EXTI_Line11) || \ ((LINE) == EXTI_Line12) || ((LINE) == EXTI_Line13) || \ ((LINE) == EXTI_Line14) || ((LINE) == EXTI_Line15) || \ ((LINE) == EXTI_Line16) || ((LINE) == EXTI_Line17) || \ ((LINE) == EXTI_Line18) || ((LINE) == EXTI_Line19) || \ ((LINE) == EXTI_Line20) || ((LINE) == EXTI_Line21) || \ ((LINE) == EXTI_Line22) || ((LINE) == EXTI_Line23) || \ ((LINE) == EXTI_Line25) || ((LINE) == EXTI_Line26) || \ ((LINE) == EXTI_Line27) || ((LINE) == EXTI_Line31)) /** * @} */ /** * @} */ /* Exported macro ------------------------------------------------------------*/ /* Exported functions ------------------------------------------------------- */ /* Function used to set the EXTI configuration to the default reset state *****/ void EXTI_DeInit(void); /* Initialization and Configuration functions *********************************/ void EXTI_Init(EXTI_InitTypeDef* EXTI_InitStruct); void EXTI_StructInit(EXTI_InitTypeDef* EXTI_InitStruct); void EXTI_GenerateSWInterrupt(uint32_t EXTI_Line); /* Interrupts and flags management functions **********************************/ FlagStatus EXTI_GetFlagStatus(uint32_t EXTI_Line); void EXTI_ClearFlag(uint32_t EXTI_Line); ITStatus EXTI_GetITStatus(uint32_t EXTI_Line); void EXTI_ClearITPendingBit(uint32_t EXTI_Line); #ifdef __cplusplus } #endif #endif /* __STM32F0XX_EXTI_H */ /** * @} */ /** * @} */