stm32f4xx_exti.h 7.6 KB

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  1. /**
  2. ******************************************************************************
  3. * @file stm32f4xx_exti.h
  4. * @author MCD Application Team
  5. * @version V1.5.0
  6. * @date 06-March-2015
  7. * @brief This file contains all the functions prototypes for the EXTI firmware
  8. * library.
  9. ******************************************************************************
  10. * @attention
  11. *
  12. * <h2><center>&copy; COPYRIGHT 2015 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. /* Define to prevent recursive inclusion -------------------------------------*/
  29. #ifndef __STM32F4xx_EXTI_H
  30. #define __STM32F4xx_EXTI_H
  31. #ifdef __cplusplus
  32. extern "C" {
  33. #endif
  34. /* Includes ------------------------------------------------------------------*/
  35. #include "stm32f4xx.h"
  36. /** @addtogroup STM32F4xx_StdPeriph_Driver
  37. * @{
  38. */
  39. /** @addtogroup EXTI
  40. * @{
  41. */
  42. /* Exported types ------------------------------------------------------------*/
  43. /**
  44. * @brief EXTI mode enumeration
  45. */
  46. typedef enum
  47. {
  48. EXTI_Mode_Interrupt = 0x00,
  49. EXTI_Mode_Event = 0x04
  50. }EXTIMode_TypeDef;
  51. #define IS_EXTI_MODE(MODE) (((MODE) == EXTI_Mode_Interrupt) || ((MODE) == EXTI_Mode_Event))
  52. /**
  53. * @brief EXTI Trigger enumeration
  54. */
  55. typedef enum
  56. {
  57. EXTI_Trigger_Rising = 0x08,
  58. EXTI_Trigger_Falling = 0x0C,
  59. EXTI_Trigger_Rising_Falling = 0x10
  60. }EXTITrigger_TypeDef;
  61. #define IS_EXTI_TRIGGER(TRIGGER) (((TRIGGER) == EXTI_Trigger_Rising) || \
  62. ((TRIGGER) == EXTI_Trigger_Falling) || \
  63. ((TRIGGER) == EXTI_Trigger_Rising_Falling))
  64. /**
  65. * @brief EXTI Init Structure definition
  66. */
  67. typedef struct
  68. {
  69. uint32_t EXTI_Line; /*!< Specifies the EXTI lines to be enabled or disabled.
  70. This parameter can be any combination value of @ref EXTI_Lines */
  71. EXTIMode_TypeDef EXTI_Mode; /*!< Specifies the mode for the EXTI lines.
  72. This parameter can be a value of @ref EXTIMode_TypeDef */
  73. EXTITrigger_TypeDef EXTI_Trigger; /*!< Specifies the trigger signal active edge for the EXTI lines.
  74. This parameter can be a value of @ref EXTITrigger_TypeDef */
  75. FunctionalState EXTI_LineCmd; /*!< Specifies the new state of the selected EXTI lines.
  76. This parameter can be set either to ENABLE or DISABLE */
  77. }EXTI_InitTypeDef;
  78. /* Exported constants --------------------------------------------------------*/
  79. /** @defgroup EXTI_Exported_Constants
  80. * @{
  81. */
  82. /** @defgroup EXTI_Lines
  83. * @{
  84. */
  85. #define EXTI_Line0 ((uint32_t)0x00001) /*!< External interrupt line 0 */
  86. #define EXTI_Line1 ((uint32_t)0x00002) /*!< External interrupt line 1 */
  87. #define EXTI_Line2 ((uint32_t)0x00004) /*!< External interrupt line 2 */
  88. #define EXTI_Line3 ((uint32_t)0x00008) /*!< External interrupt line 3 */
  89. #define EXTI_Line4 ((uint32_t)0x00010) /*!< External interrupt line 4 */
  90. #define EXTI_Line5 ((uint32_t)0x00020) /*!< External interrupt line 5 */
  91. #define EXTI_Line6 ((uint32_t)0x00040) /*!< External interrupt line 6 */
  92. #define EXTI_Line7 ((uint32_t)0x00080) /*!< External interrupt line 7 */
  93. #define EXTI_Line8 ((uint32_t)0x00100) /*!< External interrupt line 8 */
  94. #define EXTI_Line9 ((uint32_t)0x00200) /*!< External interrupt line 9 */
  95. #define EXTI_Line10 ((uint32_t)0x00400) /*!< External interrupt line 10 */
  96. #define EXTI_Line11 ((uint32_t)0x00800) /*!< External interrupt line 11 */
  97. #define EXTI_Line12 ((uint32_t)0x01000) /*!< External interrupt line 12 */
  98. #define EXTI_Line13 ((uint32_t)0x02000) /*!< External interrupt line 13 */
  99. #define EXTI_Line14 ((uint32_t)0x04000) /*!< External interrupt line 14 */
  100. #define EXTI_Line15 ((uint32_t)0x08000) /*!< External interrupt line 15 */
  101. #define EXTI_Line16 ((uint32_t)0x10000) /*!< External interrupt line 16 Connected to the PVD Output */
  102. #define EXTI_Line17 ((uint32_t)0x20000) /*!< External interrupt line 17 Connected to the RTC Alarm event */
  103. #define EXTI_Line18 ((uint32_t)0x40000) /*!< External interrupt line 18 Connected to the USB OTG FS Wakeup from suspend event */
  104. #define EXTI_Line19 ((uint32_t)0x80000) /*!< External interrupt line 19 Connected to the Ethernet Wakeup event */
  105. #define EXTI_Line20 ((uint32_t)0x00100000) /*!< External interrupt line 20 Connected to the USB OTG HS (configured in FS) Wakeup event */
  106. #define EXTI_Line21 ((uint32_t)0x00200000) /*!< External interrupt line 21 Connected to the RTC Tamper and Time Stamp events */
  107. #define EXTI_Line22 ((uint32_t)0x00400000) /*!< External interrupt line 22 Connected to the RTC Wakeup event */
  108. #define IS_EXTI_LINE(LINE) ((((LINE) & (uint32_t)0xFF800000) == 0x00) && ((LINE) != (uint16_t)0x00))
  109. #define IS_GET_EXTI_LINE(LINE) (((LINE) == EXTI_Line0) || ((LINE) == EXTI_Line1) || \
  110. ((LINE) == EXTI_Line2) || ((LINE) == EXTI_Line3) || \
  111. ((LINE) == EXTI_Line4) || ((LINE) == EXTI_Line5) || \
  112. ((LINE) == EXTI_Line6) || ((LINE) == EXTI_Line7) || \
  113. ((LINE) == EXTI_Line8) || ((LINE) == EXTI_Line9) || \
  114. ((LINE) == EXTI_Line10) || ((LINE) == EXTI_Line11) || \
  115. ((LINE) == EXTI_Line12) || ((LINE) == EXTI_Line13) || \
  116. ((LINE) == EXTI_Line14) || ((LINE) == EXTI_Line15) || \
  117. ((LINE) == EXTI_Line16) || ((LINE) == EXTI_Line17) || \
  118. ((LINE) == EXTI_Line18) || ((LINE) == EXTI_Line19) || \
  119. ((LINE) == EXTI_Line20) || ((LINE) == EXTI_Line21) ||\
  120. ((LINE) == EXTI_Line22))
  121. /**
  122. * @}
  123. */
  124. /**
  125. * @}
  126. */
  127. /* Exported macro ------------------------------------------------------------*/
  128. /* Exported functions --------------------------------------------------------*/
  129. /* Function used to set the EXTI configuration to the default reset state *****/
  130. void EXTI_DeInit(void);
  131. /* Initialization and Configuration functions *********************************/
  132. void EXTI_Init(EXTI_InitTypeDef* EXTI_InitStruct);
  133. void EXTI_StructInit(EXTI_InitTypeDef* EXTI_InitStruct);
  134. void EXTI_GenerateSWInterrupt(uint32_t EXTI_Line);
  135. /* Interrupts and flags management functions **********************************/
  136. FlagStatus EXTI_GetFlagStatus(uint32_t EXTI_Line);
  137. void EXTI_ClearFlag(uint32_t EXTI_Line);
  138. ITStatus EXTI_GetITStatus(uint32_t EXTI_Line);
  139. void EXTI_ClearITPendingBit(uint32_t EXTI_Line);
  140. #ifdef __cplusplus
  141. }
  142. #endif
  143. #endif /* __STM32F4xx_EXTI_H */
  144. /**
  145. * @}
  146. */
  147. /**
  148. * @}
  149. */
  150. /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/