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  1. /**
  2.   ******************************************************************************
  3.   * @file    stm32f0xx_hal_exti.h
  4.   * @author  MCD Application Team
  5.   * @brief   Header file of EXTI HAL module.
  6.   ******************************************************************************
  7.   * @attention
  8.   *
  9.   * <h2><center>&copy; Copyright (c) 2019 STMicroelectronics.
  10.   * All rights reserved.</center></h2>
  11.   *
  12.   * This software component is licensed by ST under BSD 3-Clause license,
  13.   * the "License"; You may not use this file except in compliance with the
  14.   * License. You may obtain a copy of the License at:
  15.   *                        opensource.org/licenses/BSD-3-Clause
  16.   *
  17.   ******************************************************************************
  18.   */
  19.  
  20. /* Define to prevent recursive inclusion -------------------------------------*/
  21. #ifndef STM32F0xx_HAL_EXTI_H
  22. #define STM32F0xx_HAL_EXTI_H
  23.  
  24. #ifdef __cplusplus
  25. extern "C" {
  26. #endif
  27.  
  28. /* Includes ------------------------------------------------------------------*/
  29. #include "stm32f0xx_hal_def.h"
  30.  
  31. /** @addtogroup STM32F0xx_HAL_Driver
  32.   * @{
  33.   */
  34.  
  35. /** @defgroup EXTI EXTI
  36.   * @brief EXTI HAL module driver
  37.   * @{
  38.   */
  39.  
  40. /* Exported types ------------------------------------------------------------*/
  41.  
  42. /** @defgroup EXTI_Exported_Types EXTI Exported Types
  43.   * @{
  44.   */
  45.  
  46. /**
  47.   * @brief  HAL EXTI common Callback ID enumeration definition
  48.   */
  49. typedef enum
  50. {
  51.   HAL_EXTI_COMMON_CB_ID          = 0x00U
  52. } EXTI_CallbackIDTypeDef;
  53.  
  54. /**
  55.   * @brief  EXTI Handle structure definition
  56.   */
  57. typedef struct
  58. {
  59.   uint32_t Line;                    /*!<  Exti line number */
  60.   void (* PendingCallback)(void);   /*!<  Exti pending callback */
  61. } EXTI_HandleTypeDef;
  62.  
  63. /**
  64.   * @brief  EXTI Configuration structure definition
  65.   */
  66. typedef struct
  67. {
  68.   uint32_t Line;      /*!< The Exti line to be configured. This parameter
  69.                            can be a value of @ref EXTI_Line */
  70.   uint32_t Mode;      /*!< The Exit Mode to be configured for a core.
  71.                            This parameter can be a combination of @ref EXTI_Mode */
  72.   uint32_t Trigger;   /*!< The Exti Trigger to be configured. This parameter
  73.                            can be a value of @ref EXTI_Trigger */
  74.   uint32_t GPIOSel;   /*!< The Exti GPIO multiplexer selection to be configured.
  75.                            This parameter is only possible for line 0 to 15. It
  76.                            can be a value of @ref EXTI_GPIOSel */
  77. } EXTI_ConfigTypeDef;
  78.  
  79. /**
  80.   * @}
  81.   */
  82.  
  83. /* Exported constants --------------------------------------------------------*/
  84. /** @defgroup EXTI_Exported_Constants EXTI Exported Constants
  85.   * @{
  86.   */
  87.  
  88. /** @defgroup EXTI_Line  EXTI Line
  89.   * @{
  90.   */
  91. #define EXTI_LINE_0                        (EXTI_GPIO        | 0x00u)    /*!< External interrupt line 0 */
  92. #define EXTI_LINE_1                        (EXTI_GPIO        | 0x01u)    /*!< External interrupt line 1 */
  93. #define EXTI_LINE_2                        (EXTI_GPIO        | 0x02u)    /*!< External interrupt line 2 */
  94. #define EXTI_LINE_3                        (EXTI_GPIO        | 0x03u)    /*!< External interrupt line 3 */
  95. #define EXTI_LINE_4                        (EXTI_GPIO        | 0x04u)    /*!< External interrupt line 4 */
  96. #define EXTI_LINE_5                        (EXTI_GPIO        | 0x05u)    /*!< External interrupt line 5 */
  97. #define EXTI_LINE_6                        (EXTI_GPIO        | 0x06u)    /*!< External interrupt line 6 */
  98. #define EXTI_LINE_7                        (EXTI_GPIO        | 0x07u)    /*!< External interrupt line 7 */
  99. #define EXTI_LINE_8                        (EXTI_GPIO        | 0x08u)    /*!< External interrupt line 8 */
  100. #define EXTI_LINE_9                        (EXTI_GPIO        | 0x09u)    /*!< External interrupt line 9 */
  101. #define EXTI_LINE_10                       (EXTI_GPIO        | 0x0Au)    /*!< External interrupt line 10 */
  102. #define EXTI_LINE_11                       (EXTI_GPIO        | 0x0Bu)    /*!< External interrupt line 11 */
  103. #define EXTI_LINE_12                       (EXTI_GPIO        | 0x0Cu)    /*!< External interrupt line 12 */
  104. #define EXTI_LINE_13                       (EXTI_GPIO        | 0x0Du)    /*!< External interrupt line 13 */
  105. #define EXTI_LINE_14                       (EXTI_GPIO        | 0x0Eu)    /*!< External interrupt line 14 */
  106. #define EXTI_LINE_15                       (EXTI_GPIO        | 0x0Fu)    /*!< External interrupt line 15 */
  107.  
  108. #if defined (EXTI_IMR_MR16)
  109. #define EXTI_LINE_16                       (EXTI_CONFIG      | 0x10u)    /*!< External interrupt line 16 Connected to the PVD Output */
  110. #else
  111. #define EXTI_LINE_16                       (EXTI_RESERVED    | 0x10u)
  112. #endif /* EXTI_IMR_MR16 */
  113.  
  114. #define EXTI_LINE_17                       (EXTI_CONFIG      | 0x11u)    /*!< External interrupt line 17 Connected to the RTC Alarm event */
  115.  
  116. #if defined (EXTI_IMR_MR18)
  117. #define EXTI_LINE_18                       (EXTI_CONFIG      | 0x12u)    /*!< External interrupt line 18 Connected to the USB OTG FS Wakeup from suspend event */
  118. #else
  119. #define EXTI_LINE_18                       (EXTI_RESERVED    | 0x12u)
  120. #endif /* EXTI_IMR_MR18 */
  121.  
  122. #define EXTI_LINE_19                       (EXTI_CONFIG      | 0x13u)    /*!< External interrupt line 19 Connected to the Ethernet Wakeup event */
  123.  
  124. #if defined (EXTI_IMR_MR20)
  125. #define EXTI_LINE_20                       (EXTI_CONFIG      | 0x14u)    /*!< External interrupt line 20 Connected to the USB OTG HS (configured in FS) Wakeup event  */
  126. #else
  127. #define EXTI_LINE_20                       (EXTI_RESERVED    | 0x14u)
  128. #endif /* EXTI_IMR_MR20 */
  129.  
  130. #if defined (EXTI_IMR_MR21)
  131. #define EXTI_LINE_21                       (EXTI_CONFIG      | 0x15u)    /*!< External interrupt line 21 Connected to the Comparator 1 output */
  132. #else
  133. #define EXTI_LINE_21                       (EXTI_RESERVED    | 0x15u)
  134. #endif /* EXTI_IMR_MR21 */
  135.  
  136. #if defined (EXTI_IMR_MR22)
  137. #define EXTI_LINE_22                       (EXTI_CONFIG      | 0x16u)    /*!< External interrupt line 22 Connected to the Comparator 2 output */
  138. #else
  139. #define EXTI_LINE_22                       (EXTI_RESERVED    | 0x16u)
  140. #endif /* EXTI_IMR_MR22 */
  141.  
  142. #if defined (EXTI_IMR_MR23)
  143. #define EXTI_LINE_23                       (EXTI_DIRECT      | 0x17u)    /*!< External interrupt line 23 Connected to the internal I2C1 wakeup event  */
  144. #else
  145. #define EXTI_LINE_23                       (EXTI_RESERVED    | 0x17u)
  146. #endif /* EXTI_IMR_MR23 */
  147.  
  148. #define EXTI_LINE_24                       (EXTI_RESERVED    | 0x18u)
  149.  
  150. #if defined (EXTI_IMR_MR25)
  151. #define EXTI_LINE_25                       (EXTI_CONFIG      | 0x19u)    /*!< External interrupt line 25 Connected to the internal USART1 wakeup event  */
  152. #else
  153. #define EXTI_LINE_25                       (EXTI_RESERVED    | 0x19u)
  154. #endif /* EXTI_IMR_MR25 */
  155.  
  156. #if defined (EXTI_IMR_MR26)
  157. #define EXTI_LINE_26                       (EXTI_CONFIG      | 0x1Au)    /*!< External interrupt line 26 Connected to the internal USART2 wakeup event  */
  158. #else
  159. #define EXTI_LINE_26                       (EXTI_RESERVED    | 0x1Au)
  160. #endif /* EXTI_IMR_MR26 */
  161.  
  162. #if defined (EXTI_IMR_MR27)
  163. #define EXTI_LINE_27                       (EXTI_CONFIG      | 0x1Bu)    /*!< External interrupt line 27 Connected to the internal CEC wakeup event  */
  164. #else
  165. #define EXTI_LINE_27                       (EXTI_RESERVED    | 0x1Bu)
  166. #endif /* EXTI_IMR_MR27 */
  167.  
  168. #if defined (EXTI_IMR_MR28)
  169. #define EXTI_LINE_28                       (EXTI_CONFIG      | 0x1Cu)    /*!< External interrupt line 28 Connected to the  internal USART3 wakeup event   */
  170. #else
  171. #define EXTI_LINE_28                       (EXTI_RESERVED    | 0x1Cu)
  172. #endif /* EXTI_IMR_MR28 */
  173.  
  174. #define EXTI_LINE_29                       (EXTI_RESERVED    | 0x1Du)
  175. #define EXTI_LINE_30                       (EXTI_RESERVED    | 0x1Eu)
  176.  
  177. #if defined (EXTI_IMR_MR31)
  178. #define EXTI_LINE_31                       (EXTI_CONFIG      | 0x1Fu)    /*!< External interrupt line 31 Connected to the VDDIO2 supply comparator output  */
  179. #else
  180. #define EXTI_LINE_31                       (EXTI_RESERVED    | 0x1Fu)
  181. #endif /* EXTI_IMR_MR31 */
  182.  
  183. /**
  184.   * @}
  185.   */
  186.  
  187. /** @defgroup EXTI_Mode  EXTI Mode
  188.   * @{
  189.   */
  190. #define EXTI_MODE_NONE                      0x00000000u
  191. #define EXTI_MODE_INTERRUPT                 0x00000001u
  192. #define EXTI_MODE_EVENT                     0x00000002u
  193. /**
  194.   * @}
  195.   */
  196.  
  197. /** @defgroup EXTI_Trigger  EXTI Trigger
  198.   * @{
  199.   */
  200. #define EXTI_TRIGGER_NONE                   0x00000000u
  201. #define EXTI_TRIGGER_RISING                 0x00000001u
  202. #define EXTI_TRIGGER_FALLING                0x00000002u
  203. #define EXTI_TRIGGER_RISING_FALLING         (EXTI_TRIGGER_RISING | EXTI_TRIGGER_FALLING)
  204. /**
  205.   * @}
  206.   */
  207.  
  208. /** @defgroup EXTI_GPIOSel  EXTI GPIOSel
  209.   * @brief
  210.   * @{
  211.   */
  212. #define EXTI_GPIOA                          0x00000000u
  213. #define EXTI_GPIOB                          0x00000001u
  214. #define EXTI_GPIOC                          0x00000002u
  215. #if defined (GPIOD)
  216. #define EXTI_GPIOD                          0x00000003u
  217. #endif /* GPIOD */
  218. #if defined (GPIOE)
  219. #define EXTI_GPIOE                          0x00000004u
  220. #endif /* GPIOE */
  221. #define EXTI_GPIOF                          0x00000005u
  222. /**
  223.   * @}
  224.   */
  225.  
  226. /**
  227.   * @}
  228.   */
  229.  
  230. /* Exported macro ------------------------------------------------------------*/
  231. /** @defgroup EXTI_Exported_Macros EXTI Exported Macros
  232.   * @{
  233.   */
  234.  
  235. /**
  236.   * @}
  237.   */
  238.  
  239. /* Private constants --------------------------------------------------------*/
  240. /** @defgroup EXTI_Private_Constants EXTI Private Constants
  241.   * @{
  242.   */
  243. /**
  244.   * @brief  EXTI Line property definition
  245.   */
  246. #define EXTI_PROPERTY_SHIFT                 24u
  247. #define EXTI_DIRECT                         (0x01uL << EXTI_PROPERTY_SHIFT)
  248. #define EXTI_CONFIG                         (0x02uL << EXTI_PROPERTY_SHIFT)
  249. #define EXTI_GPIO                           ((0x04uL << EXTI_PROPERTY_SHIFT) | EXTI_CONFIG)
  250. #define EXTI_RESERVED                       (0x08uL << EXTI_PROPERTY_SHIFT)
  251. #define EXTI_PROPERTY_MASK                  (EXTI_DIRECT | EXTI_CONFIG | EXTI_GPIO)
  252.  
  253. /**
  254.   * @brief  EXTI bit usage
  255.   */
  256. #define EXTI_PIN_MASK                       0x0000001Fu
  257.  
  258. /**
  259.   * @brief  EXTI Mask for interrupt & event mode
  260.   */
  261. #define EXTI_MODE_MASK                      (EXTI_MODE_EVENT | EXTI_MODE_INTERRUPT)
  262.  
  263. /**
  264.   * @brief  EXTI Mask for trigger possibilities
  265.   */
  266. #define EXTI_TRIGGER_MASK                   (EXTI_TRIGGER_RISING | EXTI_TRIGGER_FALLING)
  267.  
  268. /**
  269.   * @brief  EXTI Line number
  270.   */
  271. #define EXTI_LINE_NB                        32uL
  272.  
  273. /**
  274.   * @}
  275.   */
  276.  
  277. /* Private macros ------------------------------------------------------------*/
  278. /** @defgroup EXTI_Private_Macros EXTI Private Macros
  279.   * @{
  280.   */
  281. #define IS_EXTI_LINE(__EXTI_LINE__)          ((((__EXTI_LINE__) & ~(EXTI_PROPERTY_MASK | EXTI_PIN_MASK)) == 0x00u) && \
  282.                                              ((((__EXTI_LINE__) & EXTI_PROPERTY_MASK) == EXTI_DIRECT)   || \
  283.                                               (((__EXTI_LINE__) & EXTI_PROPERTY_MASK) == EXTI_CONFIG)   || \
  284.                                               (((__EXTI_LINE__) & EXTI_PROPERTY_MASK) == EXTI_GPIO))    && \
  285.                                               (((__EXTI_LINE__) & EXTI_PIN_MASK) < EXTI_LINE_NB))
  286.  
  287. #define IS_EXTI_MODE(__EXTI_LINE__)          ((((__EXTI_LINE__) & EXTI_MODE_MASK) != 0x00u) && \
  288.                                               (((__EXTI_LINE__) & ~EXTI_MODE_MASK) == 0x00u))
  289.  
  290. #define IS_EXTI_TRIGGER(__EXTI_LINE__)       (((__EXTI_LINE__) & ~EXTI_TRIGGER_MASK) == 0x00u)
  291.  
  292. #define IS_EXTI_PENDING_EDGE(__EXTI_LINE__)  ((__EXTI_LINE__) == EXTI_TRIGGER_RISING_FALLING)
  293.  
  294. #define IS_EXTI_CONFIG_LINE(__EXTI_LINE__)   (((__EXTI_LINE__) & EXTI_CONFIG) != 0x00u)
  295.  
  296. #if defined (GPIOE)
  297. #define IS_EXTI_GPIO_PORT(__PORT__)     (((__PORT__) == EXTI_GPIOA) || \
  298.                                          ((__PORT__) == EXTI_GPIOB) || \
  299.                                          ((__PORT__) == EXTI_GPIOC) || \
  300.                                          ((__PORT__) == EXTI_GPIOD) || \
  301.                                          ((__PORT__) == EXTI_GPIOE) || \
  302.                                          ((__PORT__) == EXTI_GPIOF))
  303. #elif defined (GPIOD)
  304. #define IS_EXTI_GPIO_PORT(__PORT__)     (((__PORT__) == EXTI_GPIOA) || \
  305.                                          ((__PORT__) == EXTI_GPIOB) || \
  306.                                          ((__PORT__) == EXTI_GPIOC) || \
  307.                                          ((__PORT__) == EXTI_GPIOD) || \
  308.                                          ((__PORT__) == EXTI_GPIOF))
  309. #else
  310. #define IS_EXTI_GPIO_PORT(__PORT__)     (((__PORT__) == EXTI_GPIOA) || \
  311.                                          ((__PORT__) == EXTI_GPIOB) || \
  312.                                          ((__PORT__) == EXTI_GPIOC) || \
  313.                                          ((__PORT__) == EXTI_GPIOF))
  314. #endif /* GPIOE */
  315.  
  316. #define IS_EXTI_GPIO_PIN(__PIN__)       ((__PIN__) < 16u)
  317.  
  318. /**
  319.   * @}
  320.   */
  321.  
  322.  
  323. /* Exported functions --------------------------------------------------------*/
  324. /** @defgroup EXTI_Exported_Functions EXTI Exported Functions
  325.   * @brief    EXTI Exported Functions
  326.   * @{
  327.   */
  328.  
  329. /** @defgroup EXTI_Exported_Functions_Group1 Configuration functions
  330.   * @brief    Configuration functions
  331.   * @{
  332.   */
  333. /* Configuration functions ****************************************************/
  334. HAL_StatusTypeDef HAL_EXTI_SetConfigLine(EXTI_HandleTypeDef *hexti, EXTI_ConfigTypeDef *pExtiConfig);
  335. HAL_StatusTypeDef HAL_EXTI_GetConfigLine(EXTI_HandleTypeDef *hexti, EXTI_ConfigTypeDef *pExtiConfig);
  336. HAL_StatusTypeDef HAL_EXTI_ClearConfigLine(EXTI_HandleTypeDef *hexti);
  337. HAL_StatusTypeDef HAL_EXTI_RegisterCallback(EXTI_HandleTypeDef *hexti, EXTI_CallbackIDTypeDef CallbackID, void (*pPendingCbfn)(void));
  338. HAL_StatusTypeDef HAL_EXTI_GetHandle(EXTI_HandleTypeDef *hexti, uint32_t ExtiLine);
  339. /**
  340.   * @}
  341.   */
  342.  
  343. /** @defgroup EXTI_Exported_Functions_Group2 IO operation functions
  344.   * @brief    IO operation functions
  345.   * @{
  346.   */
  347. /* IO operation functions *****************************************************/
  348. void              HAL_EXTI_IRQHandler(EXTI_HandleTypeDef *hexti);
  349. uint32_t          HAL_EXTI_GetPending(EXTI_HandleTypeDef *hexti, uint32_t Edge);
  350. void              HAL_EXTI_ClearPending(EXTI_HandleTypeDef *hexti, uint32_t Edge);
  351. void              HAL_EXTI_GenerateSWI(EXTI_HandleTypeDef *hexti);
  352.  
  353. /**
  354.   * @}
  355.   */
  356.  
  357. /**
  358.   * @}
  359.   */
  360.  
  361. /**
  362.   * @}
  363.   */
  364.  
  365. /**
  366.   * @}
  367.   */
  368.  
  369. #ifdef __cplusplus
  370. }
  371. #endif
  372.  
  373. #endif /* STM32F0xx_HAL_EXTI_H */
  374.  
  375. /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
  376.