1 /**
2   ******************************************************************************
3   * @file    stm32f4xx_hal_exti.h
4   * @author  MCD Application Team
5   * @brief   Header file of EXTI HAL module.
6   ******************************************************************************
7   * @attention
8   *
9   * Copyright (c) 2018 STMicroelectronics.
10   * All rights reserved.
11   *
12   * This software is licensed under terms that can be found in the LICENSE file
13   * in the root directory of this software component.
14   * If no LICENSE file comes with this software, it is provided AS-IS.Clause
15   *
16   ******************************************************************************
17   */
18 
19 /* Define to prevent recursive inclusion -------------------------------------*/
20 #ifndef STM32f4xx_HAL_EXTI_H
21 #define STM32f4xx_HAL_EXTI_H
22 
23 #ifdef __cplusplus
24 extern "C" {
25 #endif
26 
27 /* Includes ------------------------------------------------------------------*/
28 #include "stm32f4xx_hal_def.h"
29 
30 /** @addtogroup STM32F4xx_HAL_Driver
31   * @{
32   */
33 
34 /** @defgroup EXTI EXTI
35   * @brief EXTI HAL module driver
36   * @{
37   */
38 
39 /* Exported types ------------------------------------------------------------*/
40 
41 /** @defgroup EXTI_Exported_Types EXTI Exported Types
42   * @{
43   */
44 typedef enum
45 {
46   HAL_EXTI_COMMON_CB_ID          = 0x00U
47 } EXTI_CallbackIDTypeDef;
48 
49 /**
50   * @brief  EXTI Handle structure definition
51   */
52 typedef struct
53 {
54   uint32_t Line;                    /*!<  Exti line number */
55   void (* PendingCallback)(void);   /*!<  Exti pending callback */
56 } EXTI_HandleTypeDef;
57 
58 /**
59   * @brief  EXTI Configuration structure definition
60   */
61 typedef struct
62 {
63   uint32_t Line;      /*!< The Exti line to be configured. This parameter
64                            can be a value of @ref EXTI_Line */
65   uint32_t Mode;      /*!< The Exit Mode to be configured for a core.
66                            This parameter can be a combination of @ref EXTI_Mode */
67   uint32_t Trigger;   /*!< The Exti Trigger to be configured. This parameter
68                            can be a value of @ref EXTI_Trigger */
69   uint32_t GPIOSel;   /*!< The Exti GPIO multiplexer selection to be configured.
70                            This parameter is only possible for line 0 to 15. It
71                            can be a value of @ref EXTI_GPIOSel */
72 } EXTI_ConfigTypeDef;
73 
74 /**
75   * @}
76   */
77 
78 /* Exported constants --------------------------------------------------------*/
79 /** @defgroup EXTI_Exported_Constants EXTI Exported Constants
80   * @{
81   */
82 
83 /** @defgroup EXTI_Line  EXTI Line
84   * @{
85   */
86 #define EXTI_LINE_0                        (EXTI_GPIO       | 0x00u)    /*!< External interrupt line 0 */
87 #define EXTI_LINE_1                        (EXTI_GPIO       | 0x01u)    /*!< External interrupt line 1 */
88 #define EXTI_LINE_2                        (EXTI_GPIO       | 0x02u)    /*!< External interrupt line 2 */
89 #define EXTI_LINE_3                        (EXTI_GPIO       | 0x03u)    /*!< External interrupt line 3 */
90 #define EXTI_LINE_4                        (EXTI_GPIO       | 0x04u)    /*!< External interrupt line 4 */
91 #define EXTI_LINE_5                        (EXTI_GPIO       | 0x05u)    /*!< External interrupt line 5 */
92 #define EXTI_LINE_6                        (EXTI_GPIO       | 0x06u)    /*!< External interrupt line 6 */
93 #define EXTI_LINE_7                        (EXTI_GPIO       | 0x07u)    /*!< External interrupt line 7 */
94 #define EXTI_LINE_8                        (EXTI_GPIO       | 0x08u)    /*!< External interrupt line 8 */
95 #define EXTI_LINE_9                        (EXTI_GPIO       | 0x09u)    /*!< External interrupt line 9 */
96 #define EXTI_LINE_10                       (EXTI_GPIO       | 0x0Au)    /*!< External interrupt line 10 */
97 #define EXTI_LINE_11                       (EXTI_GPIO       | 0x0Bu)    /*!< External interrupt line 11 */
98 #define EXTI_LINE_12                       (EXTI_GPIO       | 0x0Cu)    /*!< External interrupt line 12 */
99 #define EXTI_LINE_13                       (EXTI_GPIO       | 0x0Du)    /*!< External interrupt line 13 */
100 #define EXTI_LINE_14                       (EXTI_GPIO       | 0x0Eu)    /*!< External interrupt line 14 */
101 #define EXTI_LINE_15                       (EXTI_GPIO       | 0x0Fu)    /*!< External interrupt line 15 */
102 #define EXTI_LINE_16                       (EXTI_CONFIG     | 0x10u)    /*!< External interrupt line 16 Connected to the PVD Output */
103 #define EXTI_LINE_17                       (EXTI_CONFIG     | 0x11u)    /*!< External interrupt line 17 Connected to the RTC Alarm event */
104 #if defined(EXTI_IMR_IM18)
105 #define EXTI_LINE_18                       (EXTI_CONFIG     | 0x12u)    /*!< External interrupt line 18 Connected to the USB OTG FS Wakeup from suspend event */
106 #else
107 #define EXTI_LINE_18                       (EXTI_RESERVED   | 0x12u)    /*!< No interrupt supported in this line */
108 #endif /* EXTI_IMR_IM18 */
109 #if defined(EXTI_IMR_IM19)
110 #define EXTI_LINE_19                       (EXTI_CONFIG     | 0x13u)    /*!< External interrupt line 19 Connected to the Ethernet Wakeup event */
111 #else
112 #define EXTI_LINE_19                       (EXTI_RESERVED   | 0x13u)    /*!< No interrupt supported in this line */
113 #endif /* EXTI_IMR_IM19 */
114 #if defined(EXTI_IMR_IM20)
115 #define EXTI_LINE_20                       (EXTI_CONFIG     | 0x14u)    /*!< External interrupt line 20 Connected to the USB OTG HS (configured in FS) Wakeup event  */
116 #else
117 #define EXTI_LINE_20                       (EXTI_RESERVED   | 0x14u)    /*!< No interrupt supported in this line */
118 #endif /* EXTI_IMR_IM20 */
119 #define EXTI_LINE_21                       (EXTI_CONFIG     | 0x15u)    /*!< External interrupt line 21 Connected to the RTC Tamper and Time Stamp events */
120 #define EXTI_LINE_22                       (EXTI_CONFIG     | 0x16u)    /*!< External interrupt line 22 Connected to the RTC Wakeup event */
121 #if defined(EXTI_IMR_IM23)
122 #define EXTI_LINE_23                       (EXTI_CONFIG     | 0x17u)    /*!< External interrupt line 23 Connected to the LPTIM1 asynchronous event */
123 #endif /* EXTI_IMR_IM23 */
124 
125 /**
126   * @}
127   */
128 
129 /** @defgroup EXTI_Mode  EXTI Mode
130   * @{
131   */
132 #define EXTI_MODE_NONE                      0x00000000u
133 #define EXTI_MODE_INTERRUPT                 0x00000001u
134 #define EXTI_MODE_EVENT                     0x00000002u
135 /**
136   * @}
137   */
138 
139 /** @defgroup EXTI_Trigger  EXTI Trigger
140   * @{
141   */
142 
143 #define EXTI_TRIGGER_NONE                   0x00000000u
144 #define EXTI_TRIGGER_RISING                 0x00000001u
145 #define EXTI_TRIGGER_FALLING                0x00000002u
146 #define EXTI_TRIGGER_RISING_FALLING         (EXTI_TRIGGER_RISING | EXTI_TRIGGER_FALLING)
147 /**
148   * @}
149   */
150 
151 /** @defgroup EXTI_GPIOSel  EXTI GPIOSel
152   * @brief
153   * @{
154   */
155 #define EXTI_GPIOA                          0x00000000u
156 #define EXTI_GPIOB                          0x00000001u
157 #define EXTI_GPIOC                          0x00000002u
158 #if defined (GPIOD)
159 #define EXTI_GPIOD                          0x00000003u
160 #endif /* GPIOD */
161 #if defined (GPIOE)
162 #define EXTI_GPIOE                          0x00000004u
163 #endif /* GPIOE */
164 #if defined (GPIOF)
165 #define EXTI_GPIOF                          0x00000005u
166 #endif /* GPIOF */
167 #if defined (GPIOG)
168 #define EXTI_GPIOG                          0x00000006u
169 #endif /* GPIOG */
170 #if defined (GPIOH)
171 #define EXTI_GPIOH                          0x00000007u
172 #endif /* GPIOH */
173 #if defined (GPIOI)
174 #define EXTI_GPIOI                          0x00000008u
175 #endif /* GPIOI */
176 #if defined (GPIOJ)
177 #define EXTI_GPIOJ                          0x00000009u
178 #endif /* GPIOJ */
179 #if defined (GPIOK)
180 #define EXTI_GPIOK                          0x0000000Au
181 #endif /* GPIOK */
182 
183 /**
184   * @}
185   */
186 
187 /**
188   * @}
189   */
190 
191 /* Exported macro ------------------------------------------------------------*/
192 /** @defgroup EXTI_Exported_Macros EXTI Exported Macros
193   * @{
194   */
195 
196 /**
197   * @}
198   */
199 
200 /* Private constants --------------------------------------------------------*/
201 /** @defgroup EXTI_Private_Constants EXTI Private Constants
202   * @{
203   */
204 /**
205   * @brief  EXTI Line property definition
206   */
207 #define EXTI_PROPERTY_SHIFT                  24u
208 #define EXTI_CONFIG                         (0x02uL << EXTI_PROPERTY_SHIFT)
209 #define EXTI_GPIO                           ((0x04uL << EXTI_PROPERTY_SHIFT) | EXTI_CONFIG)
210 #define EXTI_RESERVED                       (0x08uL << EXTI_PROPERTY_SHIFT)
211 #define EXTI_PROPERTY_MASK                  (EXTI_CONFIG | EXTI_GPIO)
212 
213 /**
214   * @brief  EXTI bit usage
215   */
216 #define EXTI_PIN_MASK                       0x0000001Fu
217 
218 /**
219   * @brief  EXTI Mask for interrupt & event mode
220   */
221 #define EXTI_MODE_MASK                      (EXTI_MODE_EVENT | EXTI_MODE_INTERRUPT)
222 
223 /**
224   * @brief  EXTI Mask for trigger possibilities
225   */
226 #define EXTI_TRIGGER_MASK                   (EXTI_TRIGGER_RISING | EXTI_TRIGGER_FALLING)
227 
228 /**
229   * @brief  EXTI Line number
230   */
231 #if defined(EXTI_IMR_IM23)
232 #define EXTI_LINE_NB                        24UL
233 #else
234 #define EXTI_LINE_NB                        23UL
235 #endif /* EXTI_IMR_IM23 */
236 
237 /**
238   * @}
239   */
240 
241 /* Private macros ------------------------------------------------------------*/
242 /** @defgroup EXTI_Private_Macros EXTI Private Macros
243   * @{
244   */
245 #define IS_EXTI_LINE(__EXTI_LINE__)          ((((__EXTI_LINE__) & ~(EXTI_PROPERTY_MASK | EXTI_PIN_MASK)) == 0x00u) && \
246                                              ((((__EXTI_LINE__) & EXTI_PROPERTY_MASK) == EXTI_CONFIG)              || \
247                                               (((__EXTI_LINE__) & EXTI_PROPERTY_MASK) == EXTI_GPIO))               && \
248                                               (((__EXTI_LINE__) & EXTI_PIN_MASK) < EXTI_LINE_NB))
249 
250 #define IS_EXTI_MODE(__EXTI_LINE__)          ((((__EXTI_LINE__) & EXTI_MODE_MASK) != 0x00u) && \
251                                               (((__EXTI_LINE__) & ~EXTI_MODE_MASK) == 0x00u))
252 
253 #define IS_EXTI_TRIGGER(__EXTI_LINE__)       (((__EXTI_LINE__)  & ~EXTI_TRIGGER_MASK) == 0x00u)
254 
255 #define IS_EXTI_PENDING_EDGE(__EXTI_LINE__)  ((__EXTI_LINE__) == EXTI_TRIGGER_RISING_FALLING)
256 
257 #define IS_EXTI_CONFIG_LINE(__EXTI_LINE__)   (((__EXTI_LINE__) & EXTI_CONFIG) != 0x00u)
258 
259 #if !defined (GPIOD)
260 #define IS_EXTI_GPIO_PORT(__PORT__)     (((__PORT__) == EXTI_GPIOA) || \
261                                          ((__PORT__) == EXTI_GPIOB) || \
262                                          ((__PORT__) == EXTI_GPIOC) || \
263                                          ((__PORT__) == EXTI_GPIOH))
264 #elif !defined (GPIOE)
265 #define IS_EXTI_GPIO_PORT(__PORT__)     (((__PORT__) == EXTI_GPIOA) || \
266                                          ((__PORT__) == EXTI_GPIOB) || \
267                                          ((__PORT__) == EXTI_GPIOC) || \
268                                          ((__PORT__) == EXTI_GPIOD) || \
269                                          ((__PORT__) == EXTI_GPIOH))
270 #elif !defined (GPIOF)
271 #define IS_EXTI_GPIO_PORT(__PORT__)     (((__PORT__) == EXTI_GPIOA) || \
272                                          ((__PORT__) == EXTI_GPIOB) || \
273                                          ((__PORT__) == EXTI_GPIOC) || \
274                                          ((__PORT__) == EXTI_GPIOD) || \
275                                          ((__PORT__) == EXTI_GPIOE) || \
276                                          ((__PORT__) == EXTI_GPIOH))
277 #elif !defined (GPIOI)
278 #define IS_EXTI_GPIO_PORT(__PORT__)     (((__PORT__) == EXTI_GPIOA) || \
279                                          ((__PORT__) == EXTI_GPIOB) || \
280                                          ((__PORT__) == EXTI_GPIOC) || \
281                                          ((__PORT__) == EXTI_GPIOD) || \
282                                          ((__PORT__) == EXTI_GPIOE) || \
283                                          ((__PORT__) == EXTI_GPIOF) || \
284                                          ((__PORT__) == EXTI_GPIOG) || \
285                                          ((__PORT__) == EXTI_GPIOH))
286 #elif !defined (GPIOJ)
287 #define IS_EXTI_GPIO_PORT(__PORT__)     (((__PORT__) == EXTI_GPIOA) || \
288                                          ((__PORT__) == EXTI_GPIOB) || \
289                                          ((__PORT__) == EXTI_GPIOC) || \
290                                          ((__PORT__) == EXTI_GPIOD) || \
291                                          ((__PORT__) == EXTI_GPIOE) || \
292                                          ((__PORT__) == EXTI_GPIOF) || \
293                                          ((__PORT__) == EXTI_GPIOG) || \
294                                          ((__PORT__) == EXTI_GPIOH) || \
295                                          ((__PORT__) == EXTI_GPIOI))
296 #else
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                                          ((__PORT__) == EXTI_GPIOG) || \
304                                          ((__PORT__) == EXTI_GPIOH) || \
305                                          ((__PORT__) == EXTI_GPIOI) || \
306                                          ((__PORT__) == EXTI_GPIOJ) || \
307                                          ((__PORT__) == EXTI_GPIOK))
308 #endif /* GPIOD */
309 
310 #define IS_EXTI_GPIO_PIN(__PIN__)       ((__PIN__) < 16U)
311 /**
312   * @}
313   */
314 
315 /* Exported functions --------------------------------------------------------*/
316 /** @defgroup EXTI_Exported_Functions EXTI Exported Functions
317   * @brief    EXTI Exported Functions
318   * @{
319   */
320 
321 /** @defgroup EXTI_Exported_Functions_Group1 Configuration functions
322   * @brief    Configuration functions
323   * @{
324   */
325 /* Configuration functions ****************************************************/
326 HAL_StatusTypeDef HAL_EXTI_SetConfigLine(EXTI_HandleTypeDef *hexti, EXTI_ConfigTypeDef *pExtiConfig);
327 HAL_StatusTypeDef HAL_EXTI_GetConfigLine(EXTI_HandleTypeDef *hexti, EXTI_ConfigTypeDef *pExtiConfig);
328 HAL_StatusTypeDef HAL_EXTI_ClearConfigLine(EXTI_HandleTypeDef *hexti);
329 HAL_StatusTypeDef HAL_EXTI_RegisterCallback(EXTI_HandleTypeDef *hexti, EXTI_CallbackIDTypeDef CallbackID, void (*pPendingCbfn)(void));
330 HAL_StatusTypeDef HAL_EXTI_GetHandle(EXTI_HandleTypeDef *hexti, uint32_t ExtiLine);
331 /**
332   * @}
333   */
334 
335 /** @defgroup EXTI_Exported_Functions_Group2 IO operation functions
336   * @brief    IO operation functions
337   * @{
338   */
339 /* IO operation functions *****************************************************/
340 void HAL_EXTI_IRQHandler(EXTI_HandleTypeDef *hexti);
341 uint32_t HAL_EXTI_GetPending(EXTI_HandleTypeDef *hexti, uint32_t Edge);
342 void HAL_EXTI_ClearPending(EXTI_HandleTypeDef *hexti, uint32_t Edge);
343 void HAL_EXTI_GenerateSWI(EXTI_HandleTypeDef *hexti);
344 
345 /**
346   * @}
347   */
348 
349 /**
350   * @}
351   */
352 
353 /**
354   * @}
355   */
356 
357 /**
358   * @}
359   */
360 
361 #ifdef __cplusplus
362 }
363 #endif
364 
365 #endif /* STM32f4xx_HAL_EXTI_H */
366 
367