1 /**
2 ******************************************************************************
3 * @file stm32f1xx_ll_exti.h
4 * @author MCD Application Team
5 * @brief Header file of EXTI LL module.
6 ******************************************************************************
7 * @attention
8 *
9 * Copyright (c) 2016 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.
15 *
16 ******************************************************************************
17 */
18
19 /* Define to prevent recursive inclusion -------------------------------------*/
20 #ifndef STM32F1xx_LL_EXTI_H
21 #define STM32F1xx_LL_EXTI_H
22
23 #ifdef __cplusplus
24 extern "C" {
25 #endif
26
27 /* Includes ------------------------------------------------------------------*/
28 #include "stm32f1xx.h"
29
30 /** @addtogroup STM32F1xx_LL_Driver
31 * @{
32 */
33
34 #if defined (EXTI)
35
36 /** @defgroup EXTI_LL EXTI
37 * @{
38 */
39
40 /* Private types -------------------------------------------------------------*/
41 /* Private variables ---------------------------------------------------------*/
42 /* Private constants ---------------------------------------------------------*/
43 /* Private Macros ------------------------------------------------------------*/
44 #if defined(USE_FULL_LL_DRIVER)
45 /** @defgroup EXTI_LL_Private_Macros EXTI Private Macros
46 * @{
47 */
48 /**
49 * @}
50 */
51 #endif /*USE_FULL_LL_DRIVER*/
52 /* Exported types ------------------------------------------------------------*/
53 #if defined(USE_FULL_LL_DRIVER)
54 /** @defgroup EXTI_LL_ES_INIT EXTI Exported Init structure
55 * @{
56 */
57 typedef struct
58 {
59
60 uint32_t Line_0_31; /*!< Specifies the EXTI lines to be enabled or disabled for Lines in range 0 to 31
61 This parameter can be any combination of @ref EXTI_LL_EC_LINE */
62
63 FunctionalState LineCommand; /*!< Specifies the new state of the selected EXTI lines.
64 This parameter can be set either to ENABLE or DISABLE */
65
66 uint8_t Mode; /*!< Specifies the mode for the EXTI lines.
67 This parameter can be a value of @ref EXTI_LL_EC_MODE. */
68
69 uint8_t Trigger; /*!< Specifies the trigger signal active edge for the EXTI lines.
70 This parameter can be a value of @ref EXTI_LL_EC_TRIGGER. */
71 } LL_EXTI_InitTypeDef;
72
73 /**
74 * @}
75 */
76 #endif /*USE_FULL_LL_DRIVER*/
77
78 /* Exported constants --------------------------------------------------------*/
79 /** @defgroup EXTI_LL_Exported_Constants EXTI Exported Constants
80 * @{
81 */
82
83 /** @defgroup EXTI_LL_EC_LINE LINE
84 * @{
85 */
86 #define LL_EXTI_LINE_0 EXTI_IMR_IM0 /*!< Extended line 0 */
87 #define LL_EXTI_LINE_1 EXTI_IMR_IM1 /*!< Extended line 1 */
88 #define LL_EXTI_LINE_2 EXTI_IMR_IM2 /*!< Extended line 2 */
89 #define LL_EXTI_LINE_3 EXTI_IMR_IM3 /*!< Extended line 3 */
90 #define LL_EXTI_LINE_4 EXTI_IMR_IM4 /*!< Extended line 4 */
91 #define LL_EXTI_LINE_5 EXTI_IMR_IM5 /*!< Extended line 5 */
92 #define LL_EXTI_LINE_6 EXTI_IMR_IM6 /*!< Extended line 6 */
93 #define LL_EXTI_LINE_7 EXTI_IMR_IM7 /*!< Extended line 7 */
94 #define LL_EXTI_LINE_8 EXTI_IMR_IM8 /*!< Extended line 8 */
95 #define LL_EXTI_LINE_9 EXTI_IMR_IM9 /*!< Extended line 9 */
96 #define LL_EXTI_LINE_10 EXTI_IMR_IM10 /*!< Extended line 10 */
97 #define LL_EXTI_LINE_11 EXTI_IMR_IM11 /*!< Extended line 11 */
98 #define LL_EXTI_LINE_12 EXTI_IMR_IM12 /*!< Extended line 12 */
99 #define LL_EXTI_LINE_13 EXTI_IMR_IM13 /*!< Extended line 13 */
100 #define LL_EXTI_LINE_14 EXTI_IMR_IM14 /*!< Extended line 14 */
101 #define LL_EXTI_LINE_15 EXTI_IMR_IM15 /*!< Extended line 15 */
102 #if defined(EXTI_IMR_IM16)
103 #define LL_EXTI_LINE_16 EXTI_IMR_IM16 /*!< Extended line 16 */
104 #endif
105 #define LL_EXTI_LINE_17 EXTI_IMR_IM17 /*!< Extended line 17 */
106 #if defined(EXTI_IMR_IM18)
107 #define LL_EXTI_LINE_18 EXTI_IMR_IM18 /*!< Extended line 18 */
108 #endif
109 #if defined(EXTI_IMR_IM19)
110 #define LL_EXTI_LINE_19 EXTI_IMR_IM19 /*!< Extended line 19 */
111 #endif
112 #if defined(EXTI_IMR_IM20)
113 #define LL_EXTI_LINE_20 EXTI_IMR_IM20 /*!< Extended line 20 */
114 #endif
115 #if defined(EXTI_IMR_IM21)
116 #define LL_EXTI_LINE_21 EXTI_IMR_IM21 /*!< Extended line 21 */
117 #endif
118 #if defined(EXTI_IMR_IM22)
119 #define LL_EXTI_LINE_22 EXTI_IMR_IM22 /*!< Extended line 22 */
120 #endif
121 #if defined(EXTI_IMR_IM23)
122 #define LL_EXTI_LINE_23 EXTI_IMR_IM23 /*!< Extended line 23 */
123 #endif
124 #if defined(EXTI_IMR_IM24)
125 #define LL_EXTI_LINE_24 EXTI_IMR_IM24 /*!< Extended line 24 */
126 #endif
127 #if defined(EXTI_IMR_IM25)
128 #define LL_EXTI_LINE_25 EXTI_IMR_IM25 /*!< Extended line 25 */
129 #endif
130 #if defined(EXTI_IMR_IM26)
131 #define LL_EXTI_LINE_26 EXTI_IMR_IM26 /*!< Extended line 26 */
132 #endif
133 #if defined(EXTI_IMR_IM27)
134 #define LL_EXTI_LINE_27 EXTI_IMR_IM27 /*!< Extended line 27 */
135 #endif
136 #if defined(EXTI_IMR_IM28)
137 #define LL_EXTI_LINE_28 EXTI_IMR_IM28 /*!< Extended line 28 */
138 #endif
139 #if defined(EXTI_IMR_IM29)
140 #define LL_EXTI_LINE_29 EXTI_IMR_IM29 /*!< Extended line 29 */
141 #endif
142 #if defined(EXTI_IMR_IM30)
143 #define LL_EXTI_LINE_30 EXTI_IMR_IM30 /*!< Extended line 30 */
144 #endif
145 #if defined(EXTI_IMR_IM31)
146 #define LL_EXTI_LINE_31 EXTI_IMR_IM31 /*!< Extended line 31 */
147 #endif
148 #define LL_EXTI_LINE_ALL_0_31 EXTI_IMR_IM /*!< All Extended line not reserved*/
149
150
151 #define LL_EXTI_LINE_ALL (0xFFFFFFFFU) /*!< All Extended line */
152
153 #if defined(USE_FULL_LL_DRIVER)
154 #define LL_EXTI_LINE_NONE (0x00000000U) /*!< None Extended line */
155 #endif /*USE_FULL_LL_DRIVER*/
156
157 /**
158 * @}
159 */
160 #if defined(USE_FULL_LL_DRIVER)
161
162 /** @defgroup EXTI_LL_EC_MODE Mode
163 * @{
164 */
165 #define LL_EXTI_MODE_IT ((uint8_t)0x00) /*!< Interrupt Mode */
166 #define LL_EXTI_MODE_EVENT ((uint8_t)0x01) /*!< Event Mode */
167 #define LL_EXTI_MODE_IT_EVENT ((uint8_t)0x02) /*!< Interrupt & Event Mode */
168 /**
169 * @}
170 */
171
172 /** @defgroup EXTI_LL_EC_TRIGGER Edge Trigger
173 * @{
174 */
175 #define LL_EXTI_TRIGGER_NONE ((uint8_t)0x00) /*!< No Trigger Mode */
176 #define LL_EXTI_TRIGGER_RISING ((uint8_t)0x01) /*!< Trigger Rising Mode */
177 #define LL_EXTI_TRIGGER_FALLING ((uint8_t)0x02) /*!< Trigger Falling Mode */
178 #define LL_EXTI_TRIGGER_RISING_FALLING ((uint8_t)0x03) /*!< Trigger Rising & Falling Mode */
179
180 /**
181 * @}
182 */
183
184
185 #endif /*USE_FULL_LL_DRIVER*/
186
187
188 /**
189 * @}
190 */
191
192 /* Exported macro ------------------------------------------------------------*/
193 /** @defgroup EXTI_LL_Exported_Macros EXTI Exported Macros
194 * @{
195 */
196
197 /** @defgroup EXTI_LL_EM_WRITE_READ Common Write and read registers Macros
198 * @{
199 */
200
201 /**
202 * @brief Write a value in EXTI register
203 * @param __REG__ Register to be written
204 * @param __VALUE__ Value to be written in the register
205 * @retval None
206 */
207 #define LL_EXTI_WriteReg(__REG__, __VALUE__) WRITE_REG(EXTI->__REG__, (__VALUE__))
208
209 /**
210 * @brief Read a value in EXTI register
211 * @param __REG__ Register to be read
212 * @retval Register value
213 */
214 #define LL_EXTI_ReadReg(__REG__) READ_REG(EXTI->__REG__)
215 /**
216 * @}
217 */
218
219
220 /**
221 * @}
222 */
223
224
225
226 /* Exported functions --------------------------------------------------------*/
227 /** @defgroup EXTI_LL_Exported_Functions EXTI Exported Functions
228 * @{
229 */
230 /** @defgroup EXTI_LL_EF_IT_Management IT_Management
231 * @{
232 */
233
234 /**
235 * @brief Enable ExtiLine Interrupt request for Lines in range 0 to 31
236 * @note The reset value for the direct or internal lines (see RM)
237 * is set to 1 in order to enable the interrupt by default.
238 * Bits are set automatically at Power on.
239 * @rmtoll IMR IMx LL_EXTI_EnableIT_0_31
240 * @param ExtiLine This parameter can be one of the following values:
241 * @arg @ref LL_EXTI_LINE_0
242 * @arg @ref LL_EXTI_LINE_1
243 * @arg @ref LL_EXTI_LINE_2
244 * @arg @ref LL_EXTI_LINE_3
245 * @arg @ref LL_EXTI_LINE_4
246 * @arg @ref LL_EXTI_LINE_5
247 * @arg @ref LL_EXTI_LINE_6
248 * @arg @ref LL_EXTI_LINE_7
249 * @arg @ref LL_EXTI_LINE_8
250 * @arg @ref LL_EXTI_LINE_9
251 * @arg @ref LL_EXTI_LINE_10
252 * @arg @ref LL_EXTI_LINE_11
253 * @arg @ref LL_EXTI_LINE_12
254 * @arg @ref LL_EXTI_LINE_13
255 * @arg @ref LL_EXTI_LINE_14
256 * @arg @ref LL_EXTI_LINE_15
257 * @arg @ref LL_EXTI_LINE_16
258 * @arg @ref LL_EXTI_LINE_17
259 * @arg @ref LL_EXTI_LINE_18
260 * @arg @ref LL_EXTI_LINE_19
261 * @arg @ref LL_EXTI_LINE_ALL_0_31
262 * @note Please check each device line mapping for EXTI Line availability
263 * @retval None
264 */
LL_EXTI_EnableIT_0_31(uint32_t ExtiLine)265 __STATIC_INLINE void LL_EXTI_EnableIT_0_31(uint32_t ExtiLine)
266 {
267 SET_BIT(EXTI->IMR, ExtiLine);
268 }
269
270 /**
271 * @brief Disable ExtiLine Interrupt request for Lines in range 0 to 31
272 * @note The reset value for the direct or internal lines (see RM)
273 * is set to 1 in order to enable the interrupt by default.
274 * Bits are set automatically at Power on.
275 * @rmtoll IMR IMx LL_EXTI_DisableIT_0_31
276 * @param ExtiLine This parameter can be one of the following values:
277 * @arg @ref LL_EXTI_LINE_0
278 * @arg @ref LL_EXTI_LINE_1
279 * @arg @ref LL_EXTI_LINE_2
280 * @arg @ref LL_EXTI_LINE_3
281 * @arg @ref LL_EXTI_LINE_4
282 * @arg @ref LL_EXTI_LINE_5
283 * @arg @ref LL_EXTI_LINE_6
284 * @arg @ref LL_EXTI_LINE_7
285 * @arg @ref LL_EXTI_LINE_8
286 * @arg @ref LL_EXTI_LINE_9
287 * @arg @ref LL_EXTI_LINE_10
288 * @arg @ref LL_EXTI_LINE_11
289 * @arg @ref LL_EXTI_LINE_12
290 * @arg @ref LL_EXTI_LINE_13
291 * @arg @ref LL_EXTI_LINE_14
292 * @arg @ref LL_EXTI_LINE_15
293 * @arg @ref LL_EXTI_LINE_16
294 * @arg @ref LL_EXTI_LINE_17
295 * @arg @ref LL_EXTI_LINE_18
296 * @arg @ref LL_EXTI_LINE_19
297 * @arg @ref LL_EXTI_LINE_ALL_0_31
298 * @note Please check each device line mapping for EXTI Line availability
299 * @retval None
300 */
LL_EXTI_DisableIT_0_31(uint32_t ExtiLine)301 __STATIC_INLINE void LL_EXTI_DisableIT_0_31(uint32_t ExtiLine)
302 {
303 CLEAR_BIT(EXTI->IMR, ExtiLine);
304 }
305
306
307 /**
308 * @brief Indicate if ExtiLine Interrupt request is enabled for Lines in range 0 to 31
309 * @note The reset value for the direct or internal lines (see RM)
310 * is set to 1 in order to enable the interrupt by default.
311 * Bits are set automatically at Power on.
312 * @rmtoll IMR IMx LL_EXTI_IsEnabledIT_0_31
313 * @param ExtiLine This parameter can be one of the following values:
314 * @arg @ref LL_EXTI_LINE_0
315 * @arg @ref LL_EXTI_LINE_1
316 * @arg @ref LL_EXTI_LINE_2
317 * @arg @ref LL_EXTI_LINE_3
318 * @arg @ref LL_EXTI_LINE_4
319 * @arg @ref LL_EXTI_LINE_5
320 * @arg @ref LL_EXTI_LINE_6
321 * @arg @ref LL_EXTI_LINE_7
322 * @arg @ref LL_EXTI_LINE_8
323 * @arg @ref LL_EXTI_LINE_9
324 * @arg @ref LL_EXTI_LINE_10
325 * @arg @ref LL_EXTI_LINE_11
326 * @arg @ref LL_EXTI_LINE_12
327 * @arg @ref LL_EXTI_LINE_13
328 * @arg @ref LL_EXTI_LINE_14
329 * @arg @ref LL_EXTI_LINE_15
330 * @arg @ref LL_EXTI_LINE_16
331 * @arg @ref LL_EXTI_LINE_17
332 * @arg @ref LL_EXTI_LINE_18
333 * @arg @ref LL_EXTI_LINE_19
334 * @arg @ref LL_EXTI_LINE_ALL_0_31
335 * @note Please check each device line mapping for EXTI Line availability
336 * @retval State of bit (1 or 0).
337 */
LL_EXTI_IsEnabledIT_0_31(uint32_t ExtiLine)338 __STATIC_INLINE uint32_t LL_EXTI_IsEnabledIT_0_31(uint32_t ExtiLine)
339 {
340 return (READ_BIT(EXTI->IMR, ExtiLine) == (ExtiLine));
341 }
342
343
344 /**
345 * @}
346 */
347
348 /** @defgroup EXTI_LL_EF_Event_Management Event_Management
349 * @{
350 */
351
352 /**
353 * @brief Enable ExtiLine Event request for Lines in range 0 to 31
354 * @rmtoll EMR EMx LL_EXTI_EnableEvent_0_31
355 * @param ExtiLine This parameter can be one of the following values:
356 * @arg @ref LL_EXTI_LINE_0
357 * @arg @ref LL_EXTI_LINE_1
358 * @arg @ref LL_EXTI_LINE_2
359 * @arg @ref LL_EXTI_LINE_3
360 * @arg @ref LL_EXTI_LINE_4
361 * @arg @ref LL_EXTI_LINE_5
362 * @arg @ref LL_EXTI_LINE_6
363 * @arg @ref LL_EXTI_LINE_7
364 * @arg @ref LL_EXTI_LINE_8
365 * @arg @ref LL_EXTI_LINE_9
366 * @arg @ref LL_EXTI_LINE_10
367 * @arg @ref LL_EXTI_LINE_11
368 * @arg @ref LL_EXTI_LINE_12
369 * @arg @ref LL_EXTI_LINE_13
370 * @arg @ref LL_EXTI_LINE_14
371 * @arg @ref LL_EXTI_LINE_15
372 * @arg @ref LL_EXTI_LINE_16
373 * @arg @ref LL_EXTI_LINE_17
374 * @arg @ref LL_EXTI_LINE_18
375 * @arg @ref LL_EXTI_LINE_19
376 * @arg @ref LL_EXTI_LINE_ALL_0_31
377 * @note Please check each device line mapping for EXTI Line availability
378 * @retval None
379 */
LL_EXTI_EnableEvent_0_31(uint32_t ExtiLine)380 __STATIC_INLINE void LL_EXTI_EnableEvent_0_31(uint32_t ExtiLine)
381 {
382 SET_BIT(EXTI->EMR, ExtiLine);
383
384 }
385
386
387 /**
388 * @brief Disable ExtiLine Event request for Lines in range 0 to 31
389 * @rmtoll EMR EMx LL_EXTI_DisableEvent_0_31
390 * @param ExtiLine This parameter can be one of the following values:
391 * @arg @ref LL_EXTI_LINE_0
392 * @arg @ref LL_EXTI_LINE_1
393 * @arg @ref LL_EXTI_LINE_2
394 * @arg @ref LL_EXTI_LINE_3
395 * @arg @ref LL_EXTI_LINE_4
396 * @arg @ref LL_EXTI_LINE_5
397 * @arg @ref LL_EXTI_LINE_6
398 * @arg @ref LL_EXTI_LINE_7
399 * @arg @ref LL_EXTI_LINE_8
400 * @arg @ref LL_EXTI_LINE_9
401 * @arg @ref LL_EXTI_LINE_10
402 * @arg @ref LL_EXTI_LINE_11
403 * @arg @ref LL_EXTI_LINE_12
404 * @arg @ref LL_EXTI_LINE_13
405 * @arg @ref LL_EXTI_LINE_14
406 * @arg @ref LL_EXTI_LINE_15
407 * @arg @ref LL_EXTI_LINE_16
408 * @arg @ref LL_EXTI_LINE_17
409 * @arg @ref LL_EXTI_LINE_18
410 * @arg @ref LL_EXTI_LINE_19
411 * @arg @ref LL_EXTI_LINE_ALL_0_31
412 * @note Please check each device line mapping for EXTI Line availability
413 * @retval None
414 */
LL_EXTI_DisableEvent_0_31(uint32_t ExtiLine)415 __STATIC_INLINE void LL_EXTI_DisableEvent_0_31(uint32_t ExtiLine)
416 {
417 CLEAR_BIT(EXTI->EMR, ExtiLine);
418 }
419
420
421 /**
422 * @brief Indicate if ExtiLine Event request is enabled for Lines in range 0 to 31
423 * @rmtoll EMR EMx LL_EXTI_IsEnabledEvent_0_31
424 * @param ExtiLine This parameter can be one of the following values:
425 * @arg @ref LL_EXTI_LINE_0
426 * @arg @ref LL_EXTI_LINE_1
427 * @arg @ref LL_EXTI_LINE_2
428 * @arg @ref LL_EXTI_LINE_3
429 * @arg @ref LL_EXTI_LINE_4
430 * @arg @ref LL_EXTI_LINE_5
431 * @arg @ref LL_EXTI_LINE_6
432 * @arg @ref LL_EXTI_LINE_7
433 * @arg @ref LL_EXTI_LINE_8
434 * @arg @ref LL_EXTI_LINE_9
435 * @arg @ref LL_EXTI_LINE_10
436 * @arg @ref LL_EXTI_LINE_11
437 * @arg @ref LL_EXTI_LINE_12
438 * @arg @ref LL_EXTI_LINE_13
439 * @arg @ref LL_EXTI_LINE_14
440 * @arg @ref LL_EXTI_LINE_15
441 * @arg @ref LL_EXTI_LINE_16
442 * @arg @ref LL_EXTI_LINE_17
443 * @arg @ref LL_EXTI_LINE_18
444 * @arg @ref LL_EXTI_LINE_19
445 * @arg @ref LL_EXTI_LINE_ALL_0_31
446 * @note Please check each device line mapping for EXTI Line availability
447 * @retval State of bit (1 or 0).
448 */
LL_EXTI_IsEnabledEvent_0_31(uint32_t ExtiLine)449 __STATIC_INLINE uint32_t LL_EXTI_IsEnabledEvent_0_31(uint32_t ExtiLine)
450 {
451 return (READ_BIT(EXTI->EMR, ExtiLine) == (ExtiLine));
452
453 }
454
455
456 /**
457 * @}
458 */
459
460 /** @defgroup EXTI_LL_EF_Rising_Trigger_Management Rising_Trigger_Management
461 * @{
462 */
463
464 /**
465 * @brief Enable ExtiLine Rising Edge Trigger for Lines in range 0 to 31
466 * @note The configurable wakeup lines are edge-triggered. No glitch must be
467 * generated on these lines. If a rising edge on a configurable interrupt
468 * line occurs during a write operation in the EXTI_RTSR register, the
469 * pending bit is not set.
470 * Rising and falling edge triggers can be set for
471 * the same interrupt line. In this case, both generate a trigger
472 * condition.
473 * @rmtoll RTSR RTx LL_EXTI_EnableRisingTrig_0_31
474 * @param ExtiLine This parameter can be a combination of the following values:
475 * @arg @ref LL_EXTI_LINE_0
476 * @arg @ref LL_EXTI_LINE_1
477 * @arg @ref LL_EXTI_LINE_2
478 * @arg @ref LL_EXTI_LINE_3
479 * @arg @ref LL_EXTI_LINE_4
480 * @arg @ref LL_EXTI_LINE_5
481 * @arg @ref LL_EXTI_LINE_6
482 * @arg @ref LL_EXTI_LINE_7
483 * @arg @ref LL_EXTI_LINE_8
484 * @arg @ref LL_EXTI_LINE_9
485 * @arg @ref LL_EXTI_LINE_10
486 * @arg @ref LL_EXTI_LINE_11
487 * @arg @ref LL_EXTI_LINE_12
488 * @arg @ref LL_EXTI_LINE_13
489 * @arg @ref LL_EXTI_LINE_14
490 * @arg @ref LL_EXTI_LINE_15
491 * @arg @ref LL_EXTI_LINE_16
492 * @arg @ref LL_EXTI_LINE_18
493 * @arg @ref LL_EXTI_LINE_19
494 * @note Please check each device line mapping for EXTI Line availability
495 * @retval None
496 */
LL_EXTI_EnableRisingTrig_0_31(uint32_t ExtiLine)497 __STATIC_INLINE void LL_EXTI_EnableRisingTrig_0_31(uint32_t ExtiLine)
498 {
499 SET_BIT(EXTI->RTSR, ExtiLine);
500
501 }
502
503
504 /**
505 * @brief Disable ExtiLine Rising Edge Trigger for Lines in range 0 to 31
506 * @note The configurable wakeup lines are edge-triggered. No glitch must be
507 * generated on these lines. If a rising edge on a configurable interrupt
508 * line occurs during a write operation in the EXTI_RTSR register, the
509 * pending bit is not set.
510 * Rising and falling edge triggers can be set for
511 * the same interrupt line. In this case, both generate a trigger
512 * condition.
513 * @rmtoll RTSR RTx LL_EXTI_DisableRisingTrig_0_31
514 * @param ExtiLine This parameter can be a combination of the following values:
515 * @arg @ref LL_EXTI_LINE_0
516 * @arg @ref LL_EXTI_LINE_1
517 * @arg @ref LL_EXTI_LINE_2
518 * @arg @ref LL_EXTI_LINE_3
519 * @arg @ref LL_EXTI_LINE_4
520 * @arg @ref LL_EXTI_LINE_5
521 * @arg @ref LL_EXTI_LINE_6
522 * @arg @ref LL_EXTI_LINE_7
523 * @arg @ref LL_EXTI_LINE_8
524 * @arg @ref LL_EXTI_LINE_9
525 * @arg @ref LL_EXTI_LINE_10
526 * @arg @ref LL_EXTI_LINE_11
527 * @arg @ref LL_EXTI_LINE_12
528 * @arg @ref LL_EXTI_LINE_13
529 * @arg @ref LL_EXTI_LINE_14
530 * @arg @ref LL_EXTI_LINE_15
531 * @arg @ref LL_EXTI_LINE_16
532 * @arg @ref LL_EXTI_LINE_18
533 * @arg @ref LL_EXTI_LINE_19
534 * @note Please check each device line mapping for EXTI Line availability
535 * @retval None
536 */
LL_EXTI_DisableRisingTrig_0_31(uint32_t ExtiLine)537 __STATIC_INLINE void LL_EXTI_DisableRisingTrig_0_31(uint32_t ExtiLine)
538 {
539 CLEAR_BIT(EXTI->RTSR, ExtiLine);
540
541 }
542
543
544 /**
545 * @brief Check if rising edge trigger is enabled for Lines in range 0 to 31
546 * @rmtoll RTSR RTx LL_EXTI_IsEnabledRisingTrig_0_31
547 * @param ExtiLine This parameter can be a combination of the following values:
548 * @arg @ref LL_EXTI_LINE_0
549 * @arg @ref LL_EXTI_LINE_1
550 * @arg @ref LL_EXTI_LINE_2
551 * @arg @ref LL_EXTI_LINE_3
552 * @arg @ref LL_EXTI_LINE_4
553 * @arg @ref LL_EXTI_LINE_5
554 * @arg @ref LL_EXTI_LINE_6
555 * @arg @ref LL_EXTI_LINE_7
556 * @arg @ref LL_EXTI_LINE_8
557 * @arg @ref LL_EXTI_LINE_9
558 * @arg @ref LL_EXTI_LINE_10
559 * @arg @ref LL_EXTI_LINE_11
560 * @arg @ref LL_EXTI_LINE_12
561 * @arg @ref LL_EXTI_LINE_13
562 * @arg @ref LL_EXTI_LINE_14
563 * @arg @ref LL_EXTI_LINE_15
564 * @arg @ref LL_EXTI_LINE_16
565 * @arg @ref LL_EXTI_LINE_18
566 * @arg @ref LL_EXTI_LINE_19
567 * @note Please check each device line mapping for EXTI Line availability
568 * @retval State of bit (1 or 0).
569 */
LL_EXTI_IsEnabledRisingTrig_0_31(uint32_t ExtiLine)570 __STATIC_INLINE uint32_t LL_EXTI_IsEnabledRisingTrig_0_31(uint32_t ExtiLine)
571 {
572 return (READ_BIT(EXTI->RTSR, ExtiLine) == (ExtiLine));
573 }
574
575
576 /**
577 * @}
578 */
579
580 /** @defgroup EXTI_LL_EF_Falling_Trigger_Management Falling_Trigger_Management
581 * @{
582 */
583
584 /**
585 * @brief Enable ExtiLine Falling Edge Trigger for Lines in range 0 to 31
586 * @note The configurable wakeup lines are edge-triggered. No glitch must be
587 * generated on these lines. If a falling edge on a configurable interrupt
588 * line occurs during a write operation in the EXTI_FTSR register, the
589 * pending bit is not set.
590 * Rising and falling edge triggers can be set for
591 * the same interrupt line. In this case, both generate a trigger
592 * condition.
593 * @rmtoll FTSR FTx LL_EXTI_EnableFallingTrig_0_31
594 * @param ExtiLine This parameter can be a combination of the following values:
595 * @arg @ref LL_EXTI_LINE_0
596 * @arg @ref LL_EXTI_LINE_1
597 * @arg @ref LL_EXTI_LINE_2
598 * @arg @ref LL_EXTI_LINE_3
599 * @arg @ref LL_EXTI_LINE_4
600 * @arg @ref LL_EXTI_LINE_5
601 * @arg @ref LL_EXTI_LINE_6
602 * @arg @ref LL_EXTI_LINE_7
603 * @arg @ref LL_EXTI_LINE_8
604 * @arg @ref LL_EXTI_LINE_9
605 * @arg @ref LL_EXTI_LINE_10
606 * @arg @ref LL_EXTI_LINE_11
607 * @arg @ref LL_EXTI_LINE_12
608 * @arg @ref LL_EXTI_LINE_13
609 * @arg @ref LL_EXTI_LINE_14
610 * @arg @ref LL_EXTI_LINE_15
611 * @arg @ref LL_EXTI_LINE_16
612 * @arg @ref LL_EXTI_LINE_18
613 * @arg @ref LL_EXTI_LINE_19
614 * @note Please check each device line mapping for EXTI Line availability
615 * @retval None
616 */
LL_EXTI_EnableFallingTrig_0_31(uint32_t ExtiLine)617 __STATIC_INLINE void LL_EXTI_EnableFallingTrig_0_31(uint32_t ExtiLine)
618 {
619 SET_BIT(EXTI->FTSR, ExtiLine);
620 }
621
622
623 /**
624 * @brief Disable ExtiLine Falling Edge Trigger for Lines in range 0 to 31
625 * @note The configurable wakeup lines are edge-triggered. No glitch must be
626 * generated on these lines. If a Falling edge on a configurable interrupt
627 * line occurs during a write operation in the EXTI_FTSR register, the
628 * pending bit is not set.
629 * Rising and falling edge triggers can be set for the same interrupt line.
630 * In this case, both generate a trigger condition.
631 * @rmtoll FTSR FTx LL_EXTI_DisableFallingTrig_0_31
632 * @param ExtiLine This parameter can be a combination of the following values:
633 * @arg @ref LL_EXTI_LINE_0
634 * @arg @ref LL_EXTI_LINE_1
635 * @arg @ref LL_EXTI_LINE_2
636 * @arg @ref LL_EXTI_LINE_3
637 * @arg @ref LL_EXTI_LINE_4
638 * @arg @ref LL_EXTI_LINE_5
639 * @arg @ref LL_EXTI_LINE_6
640 * @arg @ref LL_EXTI_LINE_7
641 * @arg @ref LL_EXTI_LINE_8
642 * @arg @ref LL_EXTI_LINE_9
643 * @arg @ref LL_EXTI_LINE_10
644 * @arg @ref LL_EXTI_LINE_11
645 * @arg @ref LL_EXTI_LINE_12
646 * @arg @ref LL_EXTI_LINE_13
647 * @arg @ref LL_EXTI_LINE_14
648 * @arg @ref LL_EXTI_LINE_15
649 * @arg @ref LL_EXTI_LINE_16
650 * @arg @ref LL_EXTI_LINE_18
651 * @arg @ref LL_EXTI_LINE_19
652 * @note Please check each device line mapping for EXTI Line availability
653 * @retval None
654 */
LL_EXTI_DisableFallingTrig_0_31(uint32_t ExtiLine)655 __STATIC_INLINE void LL_EXTI_DisableFallingTrig_0_31(uint32_t ExtiLine)
656 {
657 CLEAR_BIT(EXTI->FTSR, ExtiLine);
658 }
659
660
661 /**
662 * @brief Check if falling edge trigger is enabled for Lines in range 0 to 31
663 * @rmtoll FTSR FTx LL_EXTI_IsEnabledFallingTrig_0_31
664 * @param ExtiLine This parameter can be a combination of the following values:
665 * @arg @ref LL_EXTI_LINE_0
666 * @arg @ref LL_EXTI_LINE_1
667 * @arg @ref LL_EXTI_LINE_2
668 * @arg @ref LL_EXTI_LINE_3
669 * @arg @ref LL_EXTI_LINE_4
670 * @arg @ref LL_EXTI_LINE_5
671 * @arg @ref LL_EXTI_LINE_6
672 * @arg @ref LL_EXTI_LINE_7
673 * @arg @ref LL_EXTI_LINE_8
674 * @arg @ref LL_EXTI_LINE_9
675 * @arg @ref LL_EXTI_LINE_10
676 * @arg @ref LL_EXTI_LINE_11
677 * @arg @ref LL_EXTI_LINE_12
678 * @arg @ref LL_EXTI_LINE_13
679 * @arg @ref LL_EXTI_LINE_14
680 * @arg @ref LL_EXTI_LINE_15
681 * @arg @ref LL_EXTI_LINE_16
682 * @arg @ref LL_EXTI_LINE_18
683 * @arg @ref LL_EXTI_LINE_19
684 * @note Please check each device line mapping for EXTI Line availability
685 * @retval State of bit (1 or 0).
686 */
LL_EXTI_IsEnabledFallingTrig_0_31(uint32_t ExtiLine)687 __STATIC_INLINE uint32_t LL_EXTI_IsEnabledFallingTrig_0_31(uint32_t ExtiLine)
688 {
689 return (READ_BIT(EXTI->FTSR, ExtiLine) == (ExtiLine));
690 }
691
692
693 /**
694 * @}
695 */
696
697 /** @defgroup EXTI_LL_EF_Software_Interrupt_Management Software_Interrupt_Management
698 * @{
699 */
700
701 /**
702 * @brief Generate a software Interrupt Event for Lines in range 0 to 31
703 * @note If the interrupt is enabled on this line in the EXTI_IMR, writing a 1 to
704 * this bit when it is at '0' sets the corresponding pending bit in EXTI_PR
705 * resulting in an interrupt request generation.
706 * This bit is cleared by clearing the corresponding bit in the EXTI_PR
707 * register (by writing a 1 into the bit)
708 * @rmtoll SWIER SWIx LL_EXTI_GenerateSWI_0_31
709 * @param ExtiLine This parameter can be a combination of the following values:
710 * @arg @ref LL_EXTI_LINE_0
711 * @arg @ref LL_EXTI_LINE_1
712 * @arg @ref LL_EXTI_LINE_2
713 * @arg @ref LL_EXTI_LINE_3
714 * @arg @ref LL_EXTI_LINE_4
715 * @arg @ref LL_EXTI_LINE_5
716 * @arg @ref LL_EXTI_LINE_6
717 * @arg @ref LL_EXTI_LINE_7
718 * @arg @ref LL_EXTI_LINE_8
719 * @arg @ref LL_EXTI_LINE_9
720 * @arg @ref LL_EXTI_LINE_10
721 * @arg @ref LL_EXTI_LINE_11
722 * @arg @ref LL_EXTI_LINE_12
723 * @arg @ref LL_EXTI_LINE_13
724 * @arg @ref LL_EXTI_LINE_14
725 * @arg @ref LL_EXTI_LINE_15
726 * @arg @ref LL_EXTI_LINE_16
727 * @arg @ref LL_EXTI_LINE_18
728 * @arg @ref LL_EXTI_LINE_19
729 * @note Please check each device line mapping for EXTI Line availability
730 * @retval None
731 */
LL_EXTI_GenerateSWI_0_31(uint32_t ExtiLine)732 __STATIC_INLINE void LL_EXTI_GenerateSWI_0_31(uint32_t ExtiLine)
733 {
734 SET_BIT(EXTI->SWIER, ExtiLine);
735 }
736
737
738 /**
739 * @}
740 */
741
742 /** @defgroup EXTI_LL_EF_Flag_Management Flag_Management
743 * @{
744 */
745
746 /**
747 * @brief Check if the ExtLine Flag is set or not for Lines in range 0 to 31
748 * @note This bit is set when the selected edge event arrives on the interrupt
749 * line. This bit is cleared by writing a 1 to the bit.
750 * @rmtoll PR PIFx LL_EXTI_IsActiveFlag_0_31
751 * @param ExtiLine This parameter can be a combination of the following values:
752 * @arg @ref LL_EXTI_LINE_0
753 * @arg @ref LL_EXTI_LINE_1
754 * @arg @ref LL_EXTI_LINE_2
755 * @arg @ref LL_EXTI_LINE_3
756 * @arg @ref LL_EXTI_LINE_4
757 * @arg @ref LL_EXTI_LINE_5
758 * @arg @ref LL_EXTI_LINE_6
759 * @arg @ref LL_EXTI_LINE_7
760 * @arg @ref LL_EXTI_LINE_8
761 * @arg @ref LL_EXTI_LINE_9
762 * @arg @ref LL_EXTI_LINE_10
763 * @arg @ref LL_EXTI_LINE_11
764 * @arg @ref LL_EXTI_LINE_12
765 * @arg @ref LL_EXTI_LINE_13
766 * @arg @ref LL_EXTI_LINE_14
767 * @arg @ref LL_EXTI_LINE_15
768 * @arg @ref LL_EXTI_LINE_16
769 * @arg @ref LL_EXTI_LINE_18
770 * @arg @ref LL_EXTI_LINE_19
771 * @note Please check each device line mapping for EXTI Line availability
772 * @retval State of bit (1 or 0).
773 */
LL_EXTI_IsActiveFlag_0_31(uint32_t ExtiLine)774 __STATIC_INLINE uint32_t LL_EXTI_IsActiveFlag_0_31(uint32_t ExtiLine)
775 {
776 return (READ_BIT(EXTI->PR, ExtiLine) == (ExtiLine));
777 }
778
779
780 /**
781 * @brief Read ExtLine Combination Flag for Lines in range 0 to 31
782 * @note This bit is set when the selected edge event arrives on the interrupt
783 * line. This bit is cleared by writing a 1 to the bit.
784 * @rmtoll PR PIFx LL_EXTI_ReadFlag_0_31
785 * @param ExtiLine This parameter can be a combination of the following values:
786 * @arg @ref LL_EXTI_LINE_0
787 * @arg @ref LL_EXTI_LINE_1
788 * @arg @ref LL_EXTI_LINE_2
789 * @arg @ref LL_EXTI_LINE_3
790 * @arg @ref LL_EXTI_LINE_4
791 * @arg @ref LL_EXTI_LINE_5
792 * @arg @ref LL_EXTI_LINE_6
793 * @arg @ref LL_EXTI_LINE_7
794 * @arg @ref LL_EXTI_LINE_8
795 * @arg @ref LL_EXTI_LINE_9
796 * @arg @ref LL_EXTI_LINE_10
797 * @arg @ref LL_EXTI_LINE_11
798 * @arg @ref LL_EXTI_LINE_12
799 * @arg @ref LL_EXTI_LINE_13
800 * @arg @ref LL_EXTI_LINE_14
801 * @arg @ref LL_EXTI_LINE_15
802 * @arg @ref LL_EXTI_LINE_16
803 * @arg @ref LL_EXTI_LINE_18
804 * @arg @ref LL_EXTI_LINE_19
805 * @note Please check each device line mapping for EXTI Line availability
806 * @retval @note This bit is set when the selected edge event arrives on the interrupt
807 */
LL_EXTI_ReadFlag_0_31(uint32_t ExtiLine)808 __STATIC_INLINE uint32_t LL_EXTI_ReadFlag_0_31(uint32_t ExtiLine)
809 {
810 return (uint32_t)(READ_BIT(EXTI->PR, ExtiLine));
811 }
812
813
814 /**
815 * @brief Clear ExtLine Flags for Lines in range 0 to 31
816 * @note This bit is set when the selected edge event arrives on the interrupt
817 * line. This bit is cleared by writing a 1 to the bit.
818 * @rmtoll PR PIFx LL_EXTI_ClearFlag_0_31
819 * @param ExtiLine This parameter can be a combination of the following values:
820 * @arg @ref LL_EXTI_LINE_0
821 * @arg @ref LL_EXTI_LINE_1
822 * @arg @ref LL_EXTI_LINE_2
823 * @arg @ref LL_EXTI_LINE_3
824 * @arg @ref LL_EXTI_LINE_4
825 * @arg @ref LL_EXTI_LINE_5
826 * @arg @ref LL_EXTI_LINE_6
827 * @arg @ref LL_EXTI_LINE_7
828 * @arg @ref LL_EXTI_LINE_8
829 * @arg @ref LL_EXTI_LINE_9
830 * @arg @ref LL_EXTI_LINE_10
831 * @arg @ref LL_EXTI_LINE_11
832 * @arg @ref LL_EXTI_LINE_12
833 * @arg @ref LL_EXTI_LINE_13
834 * @arg @ref LL_EXTI_LINE_14
835 * @arg @ref LL_EXTI_LINE_15
836 * @arg @ref LL_EXTI_LINE_16
837 * @arg @ref LL_EXTI_LINE_18
838 * @arg @ref LL_EXTI_LINE_19
839 * @note Please check each device line mapping for EXTI Line availability
840 * @retval None
841 */
LL_EXTI_ClearFlag_0_31(uint32_t ExtiLine)842 __STATIC_INLINE void LL_EXTI_ClearFlag_0_31(uint32_t ExtiLine)
843 {
844 WRITE_REG(EXTI->PR, ExtiLine);
845 }
846
847
848 /**
849 * @}
850 */
851
852 #if defined(USE_FULL_LL_DRIVER)
853 /** @defgroup EXTI_LL_EF_Init Initialization and de-initialization functions
854 * @{
855 */
856
857 uint32_t LL_EXTI_Init(LL_EXTI_InitTypeDef *EXTI_InitStruct);
858 uint32_t LL_EXTI_DeInit(void);
859 void LL_EXTI_StructInit(LL_EXTI_InitTypeDef *EXTI_InitStruct);
860
861
862 /**
863 * @}
864 */
865 #endif /* USE_FULL_LL_DRIVER */
866
867 /**
868 * @}
869 */
870
871 /**
872 * @}
873 */
874
875 #endif /* EXTI */
876
877 /**
878 * @}
879 */
880
881 #ifdef __cplusplus
882 }
883 #endif
884
885 #endif /* STM32F1xx_LL_EXTI_H */
886
887
