stm32f4xx_exti.h

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/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __STM32F4xx_EXTI_H
#define __STM32F4xx_EXTI_H

#ifdef __cplusplus
 extern "C" {
#endif

/* Includes ------------------------------------------------------------------*/
#include "stm32f4xx.h"

/* Exported types ------------------------------------------------------------*/

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))

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))

typedef struct
{
  uint32_t EXTI_Line;               
  EXTIMode_TypeDef EXTI_Mode;       
  EXTITrigger_TypeDef EXTI_Trigger; 
  FunctionalState EXTI_LineCmd;     
}EXTI_InitTypeDef;

/* Exported constants --------------------------------------------------------*/

#define EXTI_Line0       ((uint32_t)0x00001)     
#define EXTI_Line1       ((uint32_t)0x00002)     
#define EXTI_Line2       ((uint32_t)0x00004)     
#define EXTI_Line3       ((uint32_t)0x00008)     
#define EXTI_Line4       ((uint32_t)0x00010)     
#define EXTI_Line5       ((uint32_t)0x00020)     
#define EXTI_Line6       ((uint32_t)0x00040)     
#define EXTI_Line7       ((uint32_t)0x00080)     
#define EXTI_Line8       ((uint32_t)0x00100)     
#define EXTI_Line9       ((uint32_t)0x00200)     
#define EXTI_Line10      ((uint32_t)0x00400)     
#define EXTI_Line11      ((uint32_t)0x00800)     
#define EXTI_Line12      ((uint32_t)0x01000)     
#define EXTI_Line13      ((uint32_t)0x02000)     
#define EXTI_Line14      ((uint32_t)0x04000)     
#define EXTI_Line15      ((uint32_t)0x08000)     
#define EXTI_Line16      ((uint32_t)0x10000)     
#define EXTI_Line17      ((uint32_t)0x20000)     
#define EXTI_Line18      ((uint32_t)0x40000)     
#define EXTI_Line19      ((uint32_t)0x80000)     
#define EXTI_Line20      ((uint32_t)0x00100000)  
#define EXTI_Line21      ((uint32_t)0x00200000)  
#define EXTI_Line22      ((uint32_t)0x00400000)  
#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****/