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/**

  ******************************************************************************

  * @file    stm32l1xx_exti.h

  * @author  MCD Application Team

  * @version V1.0.0RC1

  * @date    07/02/2010

  * @brief   This file contains all the functions prototypes for the EXTI firmware

  *          library.

  ******************************************************************************

  * @copy

  *

  * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS

  * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE

  * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY

  * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING

  * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE

  * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.

  *

  * <h2><center>&copy; COPYRIGHT 2010 STMicroelectronics</center></h2>

  */

/* Define to prevent recursive inclusion -------------------------------------*/

#ifndef __STM32L1xx_EXTI_H

#define __STM32L1xx_EXTI_H

#ifdef __cplusplus

 extern "C" {

#endif

/* Includes ------------------------------------------------------------------*/

#include "stm32l1xx.h"

/** @addtogroup STM32L1xx_StdPeriph_Driver

  * @{

  */

/** @addtogroup EXTI

  * @{

  */

/** @defgroup 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;

/**

  * @}

  */

/** @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 */

#define EXTI_Line17      ((uint32_t)0x00020000)  /*!< External interrupt line 17 

                                                      Connected to the RTC Alarm

                                                      event */

#define EXTI_Line18      ((uint32_t)0x00040000)  /*!< External interrupt line 18 

                                                      Connected to the USB Device

                                                      FS Wakeup from suspend event */

#define EXTI_Line19      ((uint32_t)0x00080000)  /*!< External interrupt line 19 

                                                      Connected to the RTC Tamper

                                                      and Time Stamp events */

#define EXTI_Line20      ((uint32_t)0x00100000)  /*!< External interrupt line 20 

                                                      Connected to the RTC Wakeup

                                                      event */

#define EXTI_Line21      ((uint32_t)0x00200000)  /*!< External interrupt line 21 

                                                      Connected to the Comparator 1

                                                      event */

#define EXTI_Line22      ((uint32_t)0x00400000)  /*!< External interrupt line 22 

                                                      Connected to the Comparator 2

                                                      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))

/**

  * @}

  */

/**

  * @}

  */

/** @defgroup EXTI_Exported_Macros

  * @{

  */

/**

  * @}

  */

/** @defgroup EXTI_Exported_Functions

  * @{

  */

void EXTI_DeInit(void);

void EXTI_Init(EXTI_InitTypeDef* EXTI_InitStruct);

void EXTI_StructInit(EXTI_InitTypeDef* EXTI_InitStruct);

void EXTI_GenerateSWInterrupt(uint32_t EXTI_Line);

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 /* __STM32L1xx_EXTI_H */

/**

  * @}

  */

/**

  * @}

  */

/**

  * @}

  */

/******************* (C) COPYRIGHT 2010 STMicroelectronics *****END OF FILE****/