firmware-nucleo/Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_ll_exti.h (31206B)
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 */ 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 */ 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 */ 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 */ 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 */ 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 */ 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 */ 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 */ 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 */ 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 */ 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 */ 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 */ 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 */ 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 */ 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 */ 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 */ 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