STM32F072-Template/Libraries/STM32F0xx_StdPeriph_Driver/inc/stm32f0xx_exti.h

209 lines
9.8 KiB
C

/**
******************************************************************************
* @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 */
/**
* @}
*/
/**
* @}
*/