1 /**
2   ******************************************************************************
3   * @file    stm32f1xx_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 STM32F1xx_HAL_EXTI_H
22 #define STM32F1xx_HAL_EXTI_H
23 
24 #ifdef __cplusplus
25 extern "C" {
26 #endif
27 
28 /* Includes ------------------------------------------------------------------*/
29 #include "stm32f1xx_hal_def.h"
30 
31 /** @addtogroup STM32F1xx_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 #define EXTI_LINE_16                       (EXTI_CONFIG   | 0x10u)    /*!< External interrupt line 16 Connected to the PVD Output */
108 #define EXTI_LINE_17                       (EXTI_CONFIG   | 0x11u)    /*!< External interrupt line 17 Connected to the RTC Alarm event */
109 #if defined(EXTI_IMR_IM18)
110 #define EXTI_LINE_18                       (EXTI_CONFIG   | 0x12u)    /*!< External interrupt line 18 Connected to the USB Wakeup from suspend event */
111 #endif /* EXTI_IMR_IM18 */
112 #if defined(EXTI_IMR_IM19)
113 #define EXTI_LINE_19                       (EXTI_CONFIG   | 0x13u)    /*!< External interrupt line 19 Connected to the Ethernet Wakeup event */
114 #endif /* EXTI_IMR_IM19 */
115 
116 /**
117   * @}
118   */
119 
120 /** @defgroup EXTI_Mode  EXTI Mode
121   * @{
122   */
123 #define EXTI_MODE_NONE                      0x00000000u
124 #define EXTI_MODE_INTERRUPT                 0x00000001u
125 #define EXTI_MODE_EVENT                     0x00000002u
126 /**
127   * @}
128   */
129 
130 /** @defgroup EXTI_Trigger  EXTI Trigger
131   * @{
132   */
133 #define EXTI_TRIGGER_NONE                   0x00000000u
134 #define EXTI_TRIGGER_RISING                 0x00000001u
135 #define EXTI_TRIGGER_FALLING                0x00000002u
136 #define EXTI_TRIGGER_RISING_FALLING         (EXTI_TRIGGER_RISING | EXTI_TRIGGER_FALLING)
137 /**
138   * @}
139   */
140 
141 /** @defgroup EXTI_GPIOSel  EXTI GPIOSel
142   * @brief
143   * @{
144   */
145 #define EXTI_GPIOA                          0x00000000u
146 #define EXTI_GPIOB                          0x00000001u
147 #define EXTI_GPIOC                          0x00000002u
148 #define EXTI_GPIOD                          0x00000003u
149 #if defined (GPIOE)
150 #define EXTI_GPIOE                          0x00000004u
151 #endif /* GPIOE */
152 #if defined (GPIOF)
153 #define EXTI_GPIOF                          0x00000005u
154 #endif /* GPIOF */
155 #if defined (GPIOG)
156 #define EXTI_GPIOG                          0x00000006u
157 #endif /* GPIOG */
158 /**
159   * @}
160   */
161 
162 /**
163   * @}
164   */
165 
166 /* Exported macro ------------------------------------------------------------*/
167 /** @defgroup EXTI_Exported_Macros EXTI Exported Macros
168   * @{
169   */
170 
171 /**
172   * @}
173   */
174 
175 /* Private constants --------------------------------------------------------*/
176 /** @defgroup EXTI_Private_Constants EXTI Private Constants
177   * @{
178   */
179 /**
180   * @brief  EXTI Line property definition
181   */
182 #define EXTI_PROPERTY_SHIFT                 24u
183 #define EXTI_CONFIG                         (0x02uL << EXTI_PROPERTY_SHIFT)
184 #define EXTI_GPIO                           ((0x04uL << EXTI_PROPERTY_SHIFT) | EXTI_CONFIG)
185 #define EXTI_PROPERTY_MASK                  (EXTI_CONFIG | EXTI_GPIO)
186 
187 /**
188   * @brief  EXTI bit usage
189   */
190 #define EXTI_PIN_MASK                       0x0000001Fu
191 
192 /**
193   * @brief  EXTI Mask for interrupt & event mode
194   */
195 #define EXTI_MODE_MASK                      (EXTI_MODE_EVENT | EXTI_MODE_INTERRUPT)
196 
197 /**
198   * @brief  EXTI Mask for trigger possibilities
199   */
200 #define EXTI_TRIGGER_MASK                   (EXTI_TRIGGER_RISING | EXTI_TRIGGER_FALLING)
201 
202 /**
203   * @brief  EXTI Line number
204   */
205 #if defined(EXTI_IMR_IM19)
206 #define EXTI_LINE_NB                        20UL
207 #elif defined(EXTI_IMR_IM18)
208 #define EXTI_LINE_NB                        19UL
209 #else /* EXTI_IMR_IM17 */
210 #define EXTI_LINE_NB                        18UL
211 #endif /* EXTI_IMR_IM19 */
212 /**
213   * @}
214   */
215 
216 /* Private macros ------------------------------------------------------------*/
217 /** @defgroup EXTI_Private_Macros EXTI Private Macros
218   * @{
219   */
220 #define IS_EXTI_LINE(__EXTI_LINE__)          ((((__EXTI_LINE__) & ~(EXTI_PROPERTY_MASK | EXTI_PIN_MASK)) == 0x00u) && \
221                                              ((((__EXTI_LINE__) & EXTI_PROPERTY_MASK) == EXTI_CONFIG)   || \
222                                               (((__EXTI_LINE__) & EXTI_PROPERTY_MASK) == EXTI_GPIO))    && \
223                                               (((__EXTI_LINE__) & EXTI_PIN_MASK) < EXTI_LINE_NB))
224 
225 #define IS_EXTI_MODE(__EXTI_LINE__)          ((((__EXTI_LINE__) & EXTI_MODE_MASK) != 0x00u) && \
226                                               (((__EXTI_LINE__) & ~EXTI_MODE_MASK) == 0x00u))
227 
228 #define IS_EXTI_TRIGGER(__EXTI_LINE__)       (((__EXTI_LINE__) & ~EXTI_TRIGGER_MASK) == 0x00u)
229 
230 #define IS_EXTI_PENDING_EDGE(__EXTI_LINE__)  ((__EXTI_LINE__) == EXTI_TRIGGER_RISING_FALLING)
231 
232 #define IS_EXTI_CONFIG_LINE(__EXTI_LINE__)   (((__EXTI_LINE__) & EXTI_CONFIG) != 0x00u)
233 
234 #if defined (GPIOG)
235 #define IS_EXTI_GPIO_PORT(__PORT__)     (((__PORT__) == EXTI_GPIOA) || \
236                                          ((__PORT__) == EXTI_GPIOB) || \
237                                          ((__PORT__) == EXTI_GPIOC) || \
238                                          ((__PORT__) == EXTI_GPIOD) || \
239                                          ((__PORT__) == EXTI_GPIOE) || \
240                                          ((__PORT__) == EXTI_GPIOF) || \
241                                          ((__PORT__) == EXTI_GPIOG))
242 #elif defined (GPIOF)
243 #define IS_EXTI_GPIO_PORT(__PORT__)     (((__PORT__) == EXTI_GPIOA) || \
244                                          ((__PORT__) == EXTI_GPIOB) || \
245                                          ((__PORT__) == EXTI_GPIOC) || \
246                                          ((__PORT__) == EXTI_GPIOD) || \
247                                          ((__PORT__) == EXTI_GPIOE) || \
248                                          ((__PORT__) == EXTI_GPIOF))
249 #elif defined (GPIOE)
250 #define IS_EXTI_GPIO_PORT(__PORT__)     (((__PORT__) == EXTI_GPIOA) || \
251                                          ((__PORT__) == EXTI_GPIOB) || \
252                                          ((__PORT__) == EXTI_GPIOC) || \
253                                          ((__PORT__) == EXTI_GPIOD) || \
254                                          ((__PORT__) == EXTI_GPIOE))
255 #else
256 #define IS_EXTI_GPIO_PORT(__PORT__)     (((__PORT__) == EXTI_GPIOA) || \
257                                          ((__PORT__) == EXTI_GPIOB) || \
258                                          ((__PORT__) == EXTI_GPIOC) || \
259                                          ((__PORT__) == EXTI_GPIOD))
260 #endif /* GPIOG */
261 
262 #define IS_EXTI_GPIO_PIN(__PIN__)       ((__PIN__) < 16u)
263 
264 /**
265   * @}
266   */
267 
268 /* Exported functions --------------------------------------------------------*/
269 /** @defgroup EXTI_Exported_Functions EXTI Exported Functions
270   * @brief    EXTI Exported Functions
271   * @{
272   */
273 
274 /** @defgroup EXTI_Exported_Functions_Group1 Configuration functions
275   * @brief    Configuration functions
276   * @{
277   */
278 /* Configuration functions ****************************************************/
279 HAL_StatusTypeDef HAL_EXTI_SetConfigLine(EXTI_HandleTypeDef *hexti, EXTI_ConfigTypeDef *pExtiConfig);
280 HAL_StatusTypeDef HAL_EXTI_GetConfigLine(EXTI_HandleTypeDef *hexti, EXTI_ConfigTypeDef *pExtiConfig);
281 HAL_StatusTypeDef HAL_EXTI_ClearConfigLine(EXTI_HandleTypeDef *hexti);
282 HAL_StatusTypeDef HAL_EXTI_RegisterCallback(EXTI_HandleTypeDef *hexti, EXTI_CallbackIDTypeDef CallbackID, void (*pPendingCbfn)(void));
283 HAL_StatusTypeDef HAL_EXTI_GetHandle(EXTI_HandleTypeDef *hexti, uint32_t ExtiLine);
284 /**
285   * @}
286   */
287 
288 /** @defgroup EXTI_Exported_Functions_Group2 IO operation functions
289   * @brief    IO operation functions
290   * @{
291   */
292 /* IO operation functions *****************************************************/
293 void              HAL_EXTI_IRQHandler(EXTI_HandleTypeDef *hexti);
294 uint32_t          HAL_EXTI_GetPending(EXTI_HandleTypeDef *hexti, uint32_t Edge);
295 void              HAL_EXTI_ClearPending(EXTI_HandleTypeDef *hexti, uint32_t Edge);
296 void              HAL_EXTI_GenerateSWI(EXTI_HandleTypeDef *hexti);
297 
298 /**
299   * @}
300   */
301 
302 /**
303   * @}
304   */
305 
306 /**
307   * @}
308   */
309 
310 /**
311   * @}
312   */
313 
314 #ifdef __cplusplus
315 }
316 #endif
317 
318 #endif /* STM32F1xx_HAL_EXTI_H */
319 
320 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
321