stm32f4xx_exti.h
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r44 | /** | |||
****************************************************************************** | ||||
* @file stm32f4xx_exti.h | ||||
* @author MCD Application Team | ||||
* @version V1.0.2 | ||||
* @date 05-March-2012 | ||||
* @brief This file contains all the functions prototypes for the EXTI firmware | ||||
* library. | ||||
****************************************************************************** | ||||
* @attention | ||||
* | ||||
* <h2><center>© COPYRIGHT 2012 STMicroelectronics</center></h2> | ||||
* | ||||
* Licensed under MCD-ST Liberty SW License Agreement V2, (the "License"); | ||||
* You may not use this file except in compliance with the License. | ||||
* You may obtain a copy of the License at: | ||||
* | ||||
* http://www.st.com/software_license_agreement_liberty_v2 | ||||
* | ||||
* Unless required by applicable law or agreed to in writing, software | ||||
* distributed under the License is distributed on an "AS IS" BASIS, | ||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||||
* See the License for the specific language governing permissions and | ||||
* limitations under the License. | ||||
* | ||||
****************************************************************************** | ||||
*/ | ||||
/* Define to prevent recursive inclusion -------------------------------------*/ | ||||
#ifndef __STM32F4xx_EXTI_H | ||||
#define __STM32F4xx_EXTI_H | ||||
#ifdef __cplusplus | ||||
extern "C" { | ||||
#endif | ||||
/* Includes ------------------------------------------------------------------*/ | ||||
#include "stm32f4xx.h" | ||||
/** @addtogroup STM32F4xx_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 value 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 EXTITrigger_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)0x00001) /*!< External interrupt line 0 */ | ||||
#define EXTI_Line1 ((uint32_t)0x00002) /*!< External interrupt line 1 */ | ||||
#define EXTI_Line2 ((uint32_t)0x00004) /*!< External interrupt line 2 */ | ||||
#define EXTI_Line3 ((uint32_t)0x00008) /*!< External interrupt line 3 */ | ||||
#define EXTI_Line4 ((uint32_t)0x00010) /*!< External interrupt line 4 */ | ||||
#define EXTI_Line5 ((uint32_t)0x00020) /*!< External interrupt line 5 */ | ||||
#define EXTI_Line6 ((uint32_t)0x00040) /*!< External interrupt line 6 */ | ||||
#define EXTI_Line7 ((uint32_t)0x00080) /*!< External interrupt line 7 */ | ||||
#define EXTI_Line8 ((uint32_t)0x00100) /*!< External interrupt line 8 */ | ||||
#define EXTI_Line9 ((uint32_t)0x00200) /*!< External interrupt line 9 */ | ||||
#define EXTI_Line10 ((uint32_t)0x00400) /*!< External interrupt line 10 */ | ||||
#define EXTI_Line11 ((uint32_t)0x00800) /*!< External interrupt line 11 */ | ||||
#define EXTI_Line12 ((uint32_t)0x01000) /*!< External interrupt line 12 */ | ||||
#define EXTI_Line13 ((uint32_t)0x02000) /*!< External interrupt line 13 */ | ||||
#define EXTI_Line14 ((uint32_t)0x04000) /*!< External interrupt line 14 */ | ||||
#define EXTI_Line15 ((uint32_t)0x08000) /*!< External interrupt line 15 */ | ||||
#define EXTI_Line16 ((uint32_t)0x10000) /*!< External interrupt line 16 Connected to the PVD Output */ | ||||
#define EXTI_Line17 ((uint32_t)0x20000) /*!< External interrupt line 17 Connected to the RTC Alarm event */ | ||||
#define EXTI_Line18 ((uint32_t)0x40000) /*!< External interrupt line 18 Connected to the USB OTG FS Wakeup from suspend event */ | ||||
#define EXTI_Line19 ((uint32_t)0x80000) /*!< External interrupt line 19 Connected to the Ethernet Wakeup event */ | ||||
#define EXTI_Line20 ((uint32_t)0x00100000) /*!< External interrupt line 20 Connected to the USB OTG HS (configured in FS) Wakeup event */ | ||||
#define EXTI_Line21 ((uint32_t)0x00200000) /*!< External interrupt line 21 Connected to the RTC Tamper and Time Stamp events */ | ||||
#define EXTI_Line22 ((uint32_t)0x00400000) /*!< External interrupt line 22 Connected to the RTC Wakeup event */ | ||||
#define IS_EXTI_LINE(LINE) ((((LINE) & (uint32_t)0xFF800000) == 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)) | ||||
/** | ||||
* @} | ||||
*/ | ||||
/** | ||||
* @} | ||||
*/ | ||||
/* 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 /* __STM32F4xx_EXTI_H */ | ||||
/** | ||||
* @} | ||||
*/ | ||||
/** | ||||
* @} | ||||
*/ | ||||
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ | ||||