lib/main/STM32F4/Drivers/STM32F4xx_StdPeriph_Driver/inc/stm32f4xx_exti.h

   1 /**
   2   ******************************************************************************
   3   * @file    stm32f4xx_exti.h
   4   * @author  MCD Application Team
   5   * @version V1.7.1
   6   * @date    20-May-2016
   7   * @brief   This file contains all the functions prototypes for the EXTI firmware
   8   *          library.
   9   ******************************************************************************
  10   * @attention
  11   *
  12   * <h2><center>&copy; COPYRIGHT 2016 STMicroelectronics</center></h2>
  13   *
  14   * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
  15   * You may not use this file except in compliance with the License.
  16   * You may obtain a copy of the License at:
  17   *
  18   *        http://www.st.com/software_license_agreement_liberty_v2
  19   *
  20   * Unless required by applicable law or agreed to in writing, software
  21   * distributed under the License is distributed on an "AS IS" BASIS,
  22   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  23   * See the License for the specific language governing permissions and
  24   * limitations under the License.
  25   *
  26   ******************************************************************************
  27   */
  28
  29 /* Define to prevent recursive inclusion -------------------------------------*/
  30 #ifndef __STM32F4xx_EXTI_H
  31 #define __STM32F4xx_EXTI_H
  32
  33 #ifdef __cplusplus
  34  extern "C" {
  35 #endif
  36
  37 /* Includes ------------------------------------------------------------------*/
  38 #include "stm32f4xx.h"
  39
  40 /** @addtogroup STM32F4xx_StdPeriph_Driver
  41   * @{
  42   */
  43
  44 /** @addtogroup EXTI
  45   * @{
  46   */
  47
  48 /* Exported types ------------------------------------------------------------*/
  49
  50 /**
  51   * @brief  EXTI mode enumeration
  52   */
  53
  54 typedef enum
  55 {
  56   EXTI_Mode_Interrupt = 0x00,
  57   EXTI_Mode_Event = 0x04
  58 }EXTIMode_TypeDef;
  59
  60 #define IS_EXTI_MODE(MODE) (((MODE) == EXTI_Mode_Interrupt) || ((MODE) == EXTI_Mode_Event))
  61
  62 /**
  63   * @brief  EXTI Trigger enumeration
  64   */
  65
  66 typedef enum
  67 {
  68   EXTI_Trigger_Rising = 0x08,
  69   EXTI_Trigger_Falling = 0x0C,
  70   EXTI_Trigger_Rising_Falling = 0x10
  71 }EXTITrigger_TypeDef;
  72
  73 #define IS_EXTI_TRIGGER(TRIGGER) (((TRIGGER) == EXTI_Trigger_Rising) || \
  74                                   ((TRIGGER) == EXTI_Trigger_Falling) || \
  75                                   ((TRIGGER) == EXTI_Trigger_Rising_Falling))
  76 /**
  77   * @brief  EXTI Init Structure definition
  78   */
  79
  80 typedef struct
  81 {
  82   uint32_t EXTI_Line;               /*!< Specifies the EXTI lines to be enabled or disabled.
  83                                          This parameter can be any combination value of @ref EXTI_Lines */
  84
  85   EXTIMode_TypeDef EXTI_Mode;       /*!< Specifies the mode for the EXTI lines.
  86                                          This parameter can be a value of @ref EXTIMode_TypeDef */
  87
  88   EXTITrigger_TypeDef EXTI_Trigger; /*!< Specifies the trigger signal active edge for the EXTI lines.
  89                                          This parameter can be a value of @ref EXTITrigger_TypeDef */
  90
  91   FunctionalState EXTI_LineCmd;     /*!< Specifies the new state of the selected EXTI lines.
  92                                          This parameter can be set either to ENABLE or DISABLE */
  93 }EXTI_InitTypeDef;
  94
  95 /* Exported constants --------------------------------------------------------*/
  96
  97 /** @defgroup EXTI_Exported_Constants
  98   * @{
  99   */
 100
 101 /** @defgroup EXTI_Lines
 102   * @{
 103   */
 104
 105 #define EXTI_Line0       ((uint32_t)0x00001)     /*!< External interrupt line 0 */
 106 #define EXTI_Line1       ((uint32_t)0x00002)     /*!< External interrupt line 1 */
 107 #define EXTI_Line2       ((uint32_t)0x00004)     /*!< External interrupt line 2 */
 108 #define EXTI_Line3       ((uint32_t)0x00008)     /*!< External interrupt line 3 */
 109 #define EXTI_Line4       ((uint32_t)0x00010)     /*!< External interrupt line 4 */
 110 #define EXTI_Line5       ((uint32_t)0x00020)     /*!< External interrupt line 5 */
 111 #define EXTI_Line6       ((uint32_t)0x00040)     /*!< External interrupt line 6 */
 112 #define EXTI_Line7       ((uint32_t)0x00080)     /*!< External interrupt line 7 */
 113 #define EXTI_Line8       ((uint32_t)0x00100)     /*!< External interrupt line 8 */
 114 #define EXTI_Line9       ((uint32_t)0x00200)     /*!< External interrupt line 9 */
 115 #define EXTI_Line10      ((uint32_t)0x00400)     /*!< External interrupt line 10 */
 116 #define EXTI_Line11      ((uint32_t)0x00800)     /*!< External interrupt line 11 */
 117 #define EXTI_Line12      ((uint32_t)0x01000)     /*!< External interrupt line 12 */
 118 #define EXTI_Line13      ((uint32_t)0x02000)     /*!< External interrupt line 13 */
 119 #define EXTI_Line14      ((uint32_t)0x04000)     /*!< External interrupt line 14 */
 120 #define EXTI_Line15      ((uint32_t)0x08000)     /*!< External interrupt line 15 */
 121 #define EXTI_Line16      ((uint32_t)0x10000)     /*!< External interrupt line 16 Connected to the PVD Output */
 122 #define EXTI_Line17      ((uint32_t)0x20000)     /*!< External interrupt line 17 Connected to the RTC Alarm event */
 123 #define EXTI_Line18      ((uint32_t)0x40000)     /*!< External interrupt line 18 Connected to the USB OTG FS Wakeup from suspend event */
 124 #define EXTI_Line19      ((uint32_t)0x80000)     /*!< External interrupt line 19 Connected to the Ethernet Wakeup event */
 125 #define EXTI_Line20      ((uint32_t)0x00100000)  /*!< External interrupt line 20 Connected to the USB OTG HS (configured in FS) Wakeup event  */
 126 #define EXTI_Line21      ((uint32_t)0x00200000)  /*!< External interrupt line 21 Connected to the RTC Tamper and Time Stamp events */
 127 #define EXTI_Line22      ((uint32_t)0x00400000)  /*!< External interrupt line 22 Connected to the RTC Wakeup event */
 128 #define EXTI_Line23      ((uint32_t)0x00800000)  /*!< External interrupt line 23 Connected to the LPTIM Wakeup event */
 129
 130
 131 #define IS_EXTI_LINE(LINE) ((((LINE) & (uint32_t)0xFF800000) == 0x00) && ((LINE) != (uint16_t)0x00))
 132
 133 #define IS_GET_EXTI_LINE(LINE) (((LINE) == EXTI_Line0) || ((LINE) == EXTI_Line1) || \
 134                                 ((LINE) == EXTI_Line2) || ((LINE) == EXTI_Line3) || \
 135                                 ((LINE) == EXTI_Line4) || ((LINE) == EXTI_Line5) || \
 136                                 ((LINE) == EXTI_Line6) || ((LINE) == EXTI_Line7) || \
 137                                 ((LINE) == EXTI_Line8) || ((LINE) == EXTI_Line9) || \
 138                                 ((LINE) == EXTI_Line10) || ((LINE) == EXTI_Line11) || \
 139                                 ((LINE) == EXTI_Line12) || ((LINE) == EXTI_Line13) || \
 140                                 ((LINE) == EXTI_Line14) || ((LINE) == EXTI_Line15) || \
 141                                 ((LINE) == EXTI_Line16) || ((LINE) == EXTI_Line17) || \
 142                                 ((LINE) == EXTI_Line18) || ((LINE) == EXTI_Line19) || \
 143                                 ((LINE) == EXTI_Line20) || ((LINE) == EXTI_Line21) ||\
 144                                 ((LINE) == EXTI_Line22) || ((LINE) == EXTI_Line23))
 145
 146 /**
 147   * @}
 148   */
 149
 150 /**
 151   * @}
 152   */
 153
 154 /* Exported macro ------------------------------------------------------------*/
 155 /* Exported functions --------------------------------------------------------*/
 156
 157 /*  Function used to set the EXTI configuration to the default reset state *****/
 158 void EXTI_DeInit(void);
 159
 160 /* Initialization and Configuration functions *********************************/
 161 void EXTI_Init(EXTI_InitTypeDef* EXTI_InitStruct);
 162 void EXTI_StructInit(EXTI_InitTypeDef* EXTI_InitStruct);
 163 void EXTI_GenerateSWInterrupt(uint32_t EXTI_Line);
 164
 165 /* Interrupts and flags management functions **********************************/
 166 FlagStatus EXTI_GetFlagStatus(uint32_t EXTI_Line);
 167 void EXTI_ClearFlag(uint32_t EXTI_Line);
 168 ITStatus EXTI_GetITStatus(uint32_t EXTI_Line);
 169 void EXTI_ClearITPendingBit(uint32_t EXTI_Line);
 170
 171 #ifdef __cplusplus
 172 }
 173 #endif
 174
 175 #endif /* __STM32F4xx_EXTI_H */
 176
 177 /**
 178   * @}
 179   */
 180
 181 /**
 182   * @}
 183   */
 184
 185 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/