stm32f10x_exti.h

00001 /**
00002   ******************************************************************************
00003   * @file    stm32f10x_exti.h
00004   * @author  MCD Application Team
00005   * @version V3.5.0
00006   * @date    11-March-2011
00007   * @brief   This file contains all the functions prototypes for the EXTI firmware
00008   *          library.
00009   ******************************************************************************
00010   * @attention
00011   *
00012   * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
00013   * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
00014   * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
00015   * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
00016   * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
00017   * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
00018   *
00019   * <h2><center>&copy; COPYRIGHT 2011 STMicroelectronics</center></h2>
00020   ******************************************************************************
00021   */
00022 
00023 /* Define to prevent recursive inclusion -------------------------------------*/
00024 #ifndef __STM32F10x_EXTI_H
00025 #define __STM32F10x_EXTI_H
00026 
00027 #ifdef __cplusplus
00028  extern "C" {
00029 #endif
00030 
00031 /* Includes ------------------------------------------------------------------*/
00032 #include "stm32f10x.h"
00033 
00034 /** @addtogroup STM32F10x_StdPeriph_Driver
00035   * @{
00036   */
00037 
00038 /** @addtogroup EXTI
00039   * @{
00040   */
00041 
00042 /** @defgroup EXTI_Exported_Types
00043   * @{
00044   */
00045 
00046 /** 
00047   * @brief  EXTI mode enumeration  
00048   */
00049 
00050 typedef enum
00051 {
00052   EXTI_Mode_Interrupt = 0x00,
00053   EXTI_Mode_Event = 0x04
00054 }EXTIMode_TypeDef;
00055 
00056 #define IS_EXTI_MODE(MODE) (((MODE) == EXTI_Mode_Interrupt) || ((MODE) == EXTI_Mode_Event))
00057 
00058 /** 
00059   * @brief  EXTI Trigger enumeration  
00060   */
00061 
00062 typedef enum
00063 {
00064   EXTI_Trigger_Rising = 0x08,
00065   EXTI_Trigger_Falling = 0x0C,  
00066   EXTI_Trigger_Rising_Falling = 0x10
00067 }EXTITrigger_TypeDef;
00068 
00069 #define IS_EXTI_TRIGGER(TRIGGER) (((TRIGGER) == EXTI_Trigger_Rising) || \
00070                                   ((TRIGGER) == EXTI_Trigger_Falling) || \
00071                                   ((TRIGGER) == EXTI_Trigger_Rising_Falling))
00072 /** 
00073   * @brief  EXTI Init Structure definition  
00074   */
00075 
00076 typedef struct
00077 {
00078   uint32_t EXTI_Line;               /*!< Specifies the EXTI lines to be enabled or disabled.
00079                                          This parameter can be any combination of @ref EXTI_Lines */
00080    
00081   EXTIMode_TypeDef EXTI_Mode;       /*!< Specifies the mode for the EXTI lines.
00082                                          This parameter can be a value of @ref EXTIMode_TypeDef */
00083 
00084   EXTITrigger_TypeDef EXTI_Trigger; /*!< Specifies the trigger signal active edge for the EXTI lines.
00085                                          This parameter can be a value of @ref EXTIMode_TypeDef */
00086 
00087   FunctionalState EXTI_LineCmd;     /*!< Specifies the new state of the selected EXTI lines.
00088                                          This parameter can be set either to ENABLE or DISABLE */ 
00089 }EXTI_InitTypeDef;
00090 
00091 /**
00092   * @}
00093   */
00094 
00095 /** @defgroup EXTI_Exported_Constants
00096   * @{
00097   */
00098 
00099 /** @defgroup EXTI_Lines 
00100   * @{
00101   */
00102 
00103 #define EXTI_Line0       ((uint32_t)0x00001)  /*!< External interrupt line 0 */
00104 #define EXTI_Line1       ((uint32_t)0x00002)  /*!< External interrupt line 1 */
00105 #define EXTI_Line2       ((uint32_t)0x00004)  /*!< External interrupt line 2 */
00106 #define EXTI_Line3       ((uint32_t)0x00008)  /*!< External interrupt line 3 */
00107 #define EXTI_Line4       ((uint32_t)0x00010)  /*!< External interrupt line 4 */
00108 #define EXTI_Line5       ((uint32_t)0x00020)  /*!< External interrupt line 5 */
00109 #define EXTI_Line6       ((uint32_t)0x00040)  /*!< External interrupt line 6 */
00110 #define EXTI_Line7       ((uint32_t)0x00080)  /*!< External interrupt line 7 */
00111 #define EXTI_Line8       ((uint32_t)0x00100)  /*!< External interrupt line 8 */
00112 #define EXTI_Line9       ((uint32_t)0x00200)  /*!< External interrupt line 9 */
00113 #define EXTI_Line10      ((uint32_t)0x00400)  /*!< External interrupt line 10 */
00114 #define EXTI_Line11      ((uint32_t)0x00800)  /*!< External interrupt line 11 */
00115 #define EXTI_Line12      ((uint32_t)0x01000)  /*!< External interrupt line 12 */
00116 #define EXTI_Line13      ((uint32_t)0x02000)  /*!< External interrupt line 13 */
00117 #define EXTI_Line14      ((uint32_t)0x04000)  /*!< External interrupt line 14 */
00118 #define EXTI_Line15      ((uint32_t)0x08000)  /*!< External interrupt line 15 */
00119 #define EXTI_Line16      ((uint32_t)0x10000)  /*!< External interrupt line 16 Connected to the PVD Output */
00120 #define EXTI_Line17      ((uint32_t)0x20000)  /*!< External interrupt line 17 Connected to the RTC Alarm event */
00121 #define EXTI_Line18      ((uint32_t)0x40000)  /*!< External interrupt line 18 Connected to the USB Device/USB OTG FS
00122                                                    Wakeup from suspend event */                                    
00123 #define EXTI_Line19      ((uint32_t)0x80000)  /*!< External interrupt line 19 Connected to the Ethernet Wakeup event */
00124                                           
00125 #define IS_EXTI_LINE(LINE) ((((LINE) & (uint32_t)0xFFF00000) == 0x00) && ((LINE) != (uint16_t)0x00))
00126 #define IS_GET_EXTI_LINE(LINE) (((LINE) == EXTI_Line0) || ((LINE) == EXTI_Line1) || \
00127                             ((LINE) == EXTI_Line2) || ((LINE) == EXTI_Line3) || \
00128                             ((LINE) == EXTI_Line4) || ((LINE) == EXTI_Line5) || \
00129                             ((LINE) == EXTI_Line6) || ((LINE) == EXTI_Line7) || \
00130                             ((LINE) == EXTI_Line8) || ((LINE) == EXTI_Line9) || \
00131                             ((LINE) == EXTI_Line10) || ((LINE) == EXTI_Line11) || \
00132                             ((LINE) == EXTI_Line12) || ((LINE) == EXTI_Line13) || \
00133                             ((LINE) == EXTI_Line14) || ((LINE) == EXTI_Line15) || \
00134                             ((LINE) == EXTI_Line16) || ((LINE) == EXTI_Line17) || \
00135                             ((LINE) == EXTI_Line18) || ((LINE) == EXTI_Line19))
00136 
00137                     
00138 /**
00139   * @}
00140   */
00141 
00142 /**
00143   * @}
00144   */
00145 
00146 /** @defgroup EXTI_Exported_Macros
00147   * @{
00148   */
00149 
00150 /**
00151   * @}
00152   */
00153 
00154 /** @defgroup EXTI_Exported_Functions
00155   * @{
00156   */
00157 
00158 void EXTI_DeInit(void);
00159 void EXTI_Init(EXTI_InitTypeDef* EXTI_InitStruct);
00160 void EXTI_StructInit(EXTI_InitTypeDef* EXTI_InitStruct);
00161 void EXTI_GenerateSWInterrupt(uint32_t EXTI_Line);
00162 FlagStatus EXTI_GetFlagStatus(uint32_t EXTI_Line);
00163 void EXTI_ClearFlag(uint32_t EXTI_Line);
00164 ITStatus EXTI_GetITStatus(uint32_t EXTI_Line);
00165 void EXTI_ClearITPendingBit(uint32_t EXTI_Line);
00166 
00167 #ifdef __cplusplus
00168 }
00169 #endif
00170 
00171 #endif /* __STM32F10x_EXTI_H */
00172 /**
00173   * @}
00174   */
00175 
00176 /**
00177   * @}
00178   */
00179 
00180 /**
00181   * @}
00182   */
00183 
00184 /******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/