1 /** 2 ****************************************************************************** 3 * @file stm32f3xx_hal_uart_ex.h 4 * @author MCD Application Team 5 * @brief Header file of UART HAL Extended 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 STM32F3xx_HAL_UART_EX_H 21 #define STM32F3xx_HAL_UART_EX_H 22 23 #ifdef __cplusplus 24 extern "C" { 25 #endif 26 27 /* Includes ------------------------------------------------------------------*/ 28 #include "stm32f3xx_hal_def.h" 29 30 /** @addtogroup STM32F3xx_HAL_Driver 31 * @{ 32 */ 33 34 /** @addtogroup UARTEx 35 * @{ 36 */ 37 38 /* Exported types ------------------------------------------------------------*/ 39 /** @defgroup UARTEx_Exported_Types UARTEx Exported Types 40 * @{ 41 */ 42 43 /** 44 * @brief UART wake up from stop mode parameters 45 */ 46 typedef struct 47 { 48 uint32_t WakeUpEvent; /*!< Specifies which event will activate the Wakeup from Stop mode flag (WUF). 49 This parameter can be a value of @ref UART_WakeUp_from_Stop_Selection. 50 If set to UART_WAKEUP_ON_ADDRESS, the two other fields below must 51 be filled up. */ 52 53 uint16_t AddressLength; /*!< Specifies whether the address is 4 or 7-bit long. 54 This parameter can be a value of @ref UARTEx_WakeUp_Address_Length. */ 55 56 uint8_t Address; /*!< UART/USART node address (7-bit long max). */ 57 } UART_WakeUpTypeDef; 58 59 /** 60 * @} 61 */ 62 63 /* Exported constants --------------------------------------------------------*/ 64 /** @defgroup UARTEx_Exported_Constants UARTEx Exported Constants 65 * @{ 66 */ 67 68 /** @defgroup UARTEx_Word_Length UARTEx Word Length 69 * @{ 70 */ 71 #if defined(USART_CR1_M1) 72 #define UART_WORDLENGTH_7B USART_CR1_M1 /*!< 7-bit long UART frame */ 73 #endif /* USART_CR1_M1 */ 74 #define UART_WORDLENGTH_8B 0x00000000U /*!< 8-bit long UART frame */ 75 #if defined (USART_CR1_M0) 76 #define UART_WORDLENGTH_9B USART_CR1_M0 /*!< 9-bit long UART frame */ 77 #else 78 #define UART_WORDLENGTH_9B USART_CR1_M /*!< 9-bit long UART frame */ 79 #endif /* USART_CR1_M0 */ 80 /** 81 * @} 82 */ 83 84 /** @defgroup UARTEx_WakeUp_Address_Length UARTEx WakeUp Address Length 85 * @{ 86 */ 87 #define UART_ADDRESS_DETECT_4B 0x00000000U /*!< 4-bit long wake-up address */ 88 #define UART_ADDRESS_DETECT_7B USART_CR2_ADDM7 /*!< 7-bit long wake-up address */ 89 /** 90 * @} 91 */ 92 93 /** 94 * @} 95 */ 96 97 /* Exported macros -----------------------------------------------------------*/ 98 /* Exported functions --------------------------------------------------------*/ 99 /** @addtogroup UARTEx_Exported_Functions 100 * @{ 101 */ 102 103 /** @addtogroup UARTEx_Exported_Functions_Group1 104 * @{ 105 */ 106 107 /* Initialization and de-initialization functions ****************************/ 108 HAL_StatusTypeDef HAL_RS485Ex_Init(UART_HandleTypeDef *huart, uint32_t Polarity, uint32_t AssertionTime, 109 uint32_t DeassertionTime); 110 111 /** 112 * @} 113 */ 114 115 /** @addtogroup UARTEx_Exported_Functions_Group2 116 * @{ 117 */ 118 119 void HAL_UARTEx_WakeupCallback(UART_HandleTypeDef *huart); 120 121 /** 122 * @} 123 */ 124 125 /** @addtogroup UARTEx_Exported_Functions_Group3 126 * @{ 127 */ 128 129 /* Peripheral Control functions **********************************************/ 130 HAL_StatusTypeDef HAL_UARTEx_StopModeWakeUpSourceConfig(UART_HandleTypeDef *huart, UART_WakeUpTypeDef WakeUpSelection); 131 HAL_StatusTypeDef HAL_UARTEx_EnableStopMode(UART_HandleTypeDef *huart); 132 HAL_StatusTypeDef HAL_UARTEx_DisableStopMode(UART_HandleTypeDef *huart); 133 134 HAL_StatusTypeDef HAL_MultiProcessorEx_AddressLength_Set(UART_HandleTypeDef *huart, uint32_t AddressLength); 135 136 137 HAL_StatusTypeDef HAL_UARTEx_ReceiveToIdle(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size, uint16_t *RxLen, 138 uint32_t Timeout); 139 HAL_StatusTypeDef HAL_UARTEx_ReceiveToIdle_IT(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size); 140 HAL_StatusTypeDef HAL_UARTEx_ReceiveToIdle_DMA(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size); 141 142 HAL_UART_RxEventTypeTypeDef HAL_UARTEx_GetRxEventType(const UART_HandleTypeDef *huart); 143 144 145 /** 146 * @} 147 */ 148 149 /** 150 * @} 151 */ 152 153 /* Private macros ------------------------------------------------------------*/ 154 /** @defgroup UARTEx_Private_Macros UARTEx Private Macros 155 * @{ 156 */ 157 158 /** @brief Report the UART clock source. 159 * @param __HANDLE__ specifies the UART Handle. 160 * @param __CLOCKSOURCE__ output variable. 161 * @retval UART clocking source, written in __CLOCKSOURCE__. 162 */ 163 #if defined(STM32F302xE) || defined(STM32F303xE) || defined(STM32F398xx) || defined(STM32F302xC) \ 164 || defined(STM32F303xC) || defined(STM32F358xx) 165 #define UART_GETCLOCKSOURCE(__HANDLE__,__CLOCKSOURCE__) \ 166 do { \ 167 if((__HANDLE__)->Instance == USART1) \ 168 { \ 169 switch(__HAL_RCC_GET_USART1_SOURCE()) \ 170 { \ 171 case RCC_USART1CLKSOURCE_PCLK2: \ 172 (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK2; \ 173 break; \ 174 case RCC_USART1CLKSOURCE_HSI: \ 175 (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI; \ 176 break; \ 177 case RCC_USART1CLKSOURCE_SYSCLK: \ 178 (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK; \ 179 break; \ 180 case RCC_USART1CLKSOURCE_LSE: \ 181 (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE; \ 182 break; \ 183 default: \ 184 (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED; \ 185 break; \ 186 } \ 187 } \ 188 else if((__HANDLE__)->Instance == USART2) \ 189 { \ 190 switch(__HAL_RCC_GET_USART2_SOURCE()) \ 191 { \ 192 case RCC_USART2CLKSOURCE_PCLK1: \ 193 (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1; \ 194 break; \ 195 case RCC_USART2CLKSOURCE_HSI: \ 196 (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI; \ 197 break; \ 198 case RCC_USART2CLKSOURCE_SYSCLK: \ 199 (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK; \ 200 break; \ 201 case RCC_USART2CLKSOURCE_LSE: \ 202 (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE; \ 203 break; \ 204 default: \ 205 (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED; \ 206 break; \ 207 } \ 208 } \ 209 else if((__HANDLE__)->Instance == USART3) \ 210 { \ 211 switch(__HAL_RCC_GET_USART3_SOURCE()) \ 212 { \ 213 case RCC_USART3CLKSOURCE_PCLK1: \ 214 (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1; \ 215 break; \ 216 case RCC_USART3CLKSOURCE_HSI: \ 217 (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI; \ 218 break; \ 219 case RCC_USART3CLKSOURCE_SYSCLK: \ 220 (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK; \ 221 break; \ 222 case RCC_USART3CLKSOURCE_LSE: \ 223 (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE; \ 224 break; \ 225 default: \ 226 (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED; \ 227 break; \ 228 } \ 229 } \ 230 else if((__HANDLE__)->Instance == UART4) \ 231 { \ 232 switch(__HAL_RCC_GET_UART4_SOURCE()) \ 233 { \ 234 case RCC_UART4CLKSOURCE_PCLK1: \ 235 (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1; \ 236 break; \ 237 case RCC_UART4CLKSOURCE_HSI: \ 238 (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI; \ 239 break; \ 240 case RCC_UART4CLKSOURCE_SYSCLK: \ 241 (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK; \ 242 break; \ 243 case RCC_UART4CLKSOURCE_LSE: \ 244 (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE; \ 245 break; \ 246 default: \ 247 (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED; \ 248 break; \ 249 } \ 250 } \ 251 else if ((__HANDLE__)->Instance == UART5) \ 252 { \ 253 switch(__HAL_RCC_GET_UART5_SOURCE()) \ 254 { \ 255 case RCC_UART5CLKSOURCE_PCLK1: \ 256 (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1; \ 257 break; \ 258 case RCC_UART5CLKSOURCE_HSI: \ 259 (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI; \ 260 break; \ 261 case RCC_UART5CLKSOURCE_SYSCLK: \ 262 (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK; \ 263 break; \ 264 case RCC_UART5CLKSOURCE_LSE: \ 265 (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE; \ 266 break; \ 267 default: \ 268 (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED; \ 269 break; \ 270 } \ 271 } \ 272 else \ 273 { \ 274 (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED; \ 275 } \ 276 } while(0U) 277 #elif defined(STM32F303x8) || defined(STM32F334x8) || defined(STM32F328xx) || defined(STM32F301x8) \ 278 || defined(STM32F302x8) || defined(STM32F318xx) 279 #define UART_GETCLOCKSOURCE(__HANDLE__,__CLOCKSOURCE__) \ 280 do { \ 281 if((__HANDLE__)->Instance == USART1) \ 282 { \ 283 switch(__HAL_RCC_GET_USART1_SOURCE()) \ 284 { \ 285 case RCC_USART1CLKSOURCE_PCLK1: \ 286 (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1; \ 287 break; \ 288 case RCC_USART1CLKSOURCE_HSI: \ 289 (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI; \ 290 break; \ 291 case RCC_USART1CLKSOURCE_SYSCLK: \ 292 (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK; \ 293 break; \ 294 case RCC_USART1CLKSOURCE_LSE: \ 295 (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE; \ 296 break; \ 297 default: \ 298 (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED; \ 299 break; \ 300 } \ 301 } \ 302 else if((__HANDLE__)->Instance == USART2) \ 303 { \ 304 (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1; \ 305 } \ 306 else if((__HANDLE__)->Instance == USART3) \ 307 { \ 308 (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1; \ 309 } \ 310 else \ 311 { \ 312 (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED; \ 313 } \ 314 } while(0U) 315 #else 316 #define UART_GETCLOCKSOURCE(__HANDLE__,__CLOCKSOURCE__) \ 317 do { \ 318 if((__HANDLE__)->Instance == USART1) \ 319 { \ 320 switch(__HAL_RCC_GET_USART1_SOURCE()) \ 321 { \ 322 case RCC_USART1CLKSOURCE_PCLK2: \ 323 (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK2; \ 324 break; \ 325 case RCC_USART1CLKSOURCE_HSI: \ 326 (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI; \ 327 break; \ 328 case RCC_USART1CLKSOURCE_SYSCLK: \ 329 (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK; \ 330 break; \ 331 case RCC_USART1CLKSOURCE_LSE: \ 332 (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE; \ 333 break; \ 334 default: \ 335 (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED; \ 336 break; \ 337 } \ 338 } \ 339 else if((__HANDLE__)->Instance == USART2) \ 340 { \ 341 switch(__HAL_RCC_GET_USART2_SOURCE()) \ 342 { \ 343 case RCC_USART2CLKSOURCE_PCLK1: \ 344 (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1; \ 345 break; \ 346 case RCC_USART2CLKSOURCE_HSI: \ 347 (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI; \ 348 break; \ 349 case RCC_USART2CLKSOURCE_SYSCLK: \ 350 (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK; \ 351 break; \ 352 case RCC_USART2CLKSOURCE_LSE: \ 353 (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE; \ 354 break; \ 355 default: \ 356 (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED; \ 357 break; \ 358 } \ 359 } \ 360 else if((__HANDLE__)->Instance == USART3) \ 361 { \ 362 switch(__HAL_RCC_GET_USART3_SOURCE()) \ 363 { \ 364 case RCC_USART3CLKSOURCE_PCLK1: \ 365 (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1; \ 366 break; \ 367 case RCC_USART3CLKSOURCE_HSI: \ 368 (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI; \ 369 break; \ 370 case RCC_USART3CLKSOURCE_SYSCLK: \ 371 (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK; \ 372 break; \ 373 case RCC_USART3CLKSOURCE_LSE: \ 374 (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE; \ 375 break; \ 376 default: \ 377 (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED; \ 378 break; \ 379 } \ 380 } \ 381 else \ 382 { \ 383 (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED; \ 384 } \ 385 } while(0U) 386 #endif /* STM32F302xE || STM32F303xE || STM32F398xx || STM32F302xC || STM32F303xC || STM32F358xx */ 387 388 /** @brief Report the UART mask to apply to retrieve the received data 389 * according to the word length and to the parity bits activation. 390 * @note If PCE = 1, the parity bit is not included in the data extracted 391 * by the reception API(). 392 * This masking operation is not carried out in the case of 393 * DMA transfers. 394 * @param __HANDLE__ specifies the UART Handle. 395 * @retval None, the mask to apply to UART RDR register is stored in (__HANDLE__)->Mask field. 396 */ 397 #if defined (USART_CR1_M1) 398 #define UART_MASK_COMPUTATION(__HANDLE__) \ 399 do { \ 400 if ((__HANDLE__)->Init.WordLength == UART_WORDLENGTH_9B) \ 401 { \ 402 if ((__HANDLE__)->Init.Parity == UART_PARITY_NONE) \ 403 { \ 404 (__HANDLE__)->Mask = 0x01FFU ; \ 405 } \ 406 else \ 407 { \ 408 (__HANDLE__)->Mask = 0x00FFU ; \ 409 } \ 410 } \ 411 else if ((__HANDLE__)->Init.WordLength == UART_WORDLENGTH_8B) \ 412 { \ 413 if ((__HANDLE__)->Init.Parity == UART_PARITY_NONE) \ 414 { \ 415 (__HANDLE__)->Mask = 0x00FFU ; \ 416 } \ 417 else \ 418 { \ 419 (__HANDLE__)->Mask = 0x007FU ; \ 420 } \ 421 } \ 422 else if ((__HANDLE__)->Init.WordLength == UART_WORDLENGTH_7B) \ 423 { \ 424 if ((__HANDLE__)->Init.Parity == UART_PARITY_NONE) \ 425 { \ 426 (__HANDLE__)->Mask = 0x007FU ; \ 427 } \ 428 else \ 429 { \ 430 (__HANDLE__)->Mask = 0x003FU ; \ 431 } \ 432 } \ 433 else \ 434 { \ 435 (__HANDLE__)->Mask = 0x0000U; \ 436 } \ 437 } while(0U) 438 439 #else 440 #define UART_MASK_COMPUTATION(__HANDLE__) \ 441 do { \ 442 if ((__HANDLE__)->Init.WordLength == UART_WORDLENGTH_9B) \ 443 { \ 444 if ((__HANDLE__)->Init.Parity == UART_PARITY_NONE) \ 445 { \ 446 (__HANDLE__)->Mask = 0x01FFU ; \ 447 } \ 448 else \ 449 { \ 450 (__HANDLE__)->Mask = 0x00FFU ; \ 451 } \ 452 } \ 453 else if ((__HANDLE__)->Init.WordLength == UART_WORDLENGTH_8B) \ 454 { \ 455 if ((__HANDLE__)->Init.Parity == UART_PARITY_NONE) \ 456 { \ 457 (__HANDLE__)->Mask = 0x00FFU ; \ 458 } \ 459 else \ 460 { \ 461 (__HANDLE__)->Mask = 0x007FU ; \ 462 } \ 463 } \ 464 else \ 465 { \ 466 (__HANDLE__)->Mask = 0x0000U; \ 467 } \ 468 } while(0U) 469 470 #endif /* USART_CR1_M1 */ 471 472 /** 473 * @brief Ensure that UART frame length is valid. 474 * @param __LENGTH__ UART frame length. 475 * @retval SET (__LENGTH__ is valid) or RESET (__LENGTH__ is invalid) 476 */ 477 #if defined (USART_CR1_M1) 478 #define IS_UART_WORD_LENGTH(__LENGTH__) (((__LENGTH__) == UART_WORDLENGTH_7B) || \ 479 ((__LENGTH__) == UART_WORDLENGTH_8B) || \ 480 ((__LENGTH__) == UART_WORDLENGTH_9B)) 481 #else 482 #define IS_UART_WORD_LENGTH(__LENGTH__) (((__LENGTH__) == UART_WORDLENGTH_8B) || \ 483 ((__LENGTH__) == UART_WORDLENGTH_9B)) 484 #endif /* USART_CR1_M1 */ 485 486 /** 487 * @brief Ensure that UART wake-up address length is valid. 488 * @param __ADDRESS__ UART wake-up address length. 489 * @retval SET (__ADDRESS__ is valid) or RESET (__ADDRESS__ is invalid) 490 */ 491 #define IS_UART_ADDRESSLENGTH_DETECT(__ADDRESS__) (((__ADDRESS__) == UART_ADDRESS_DETECT_4B) || \ 492 ((__ADDRESS__) == UART_ADDRESS_DETECT_7B)) 493 494 /** 495 * @} 496 */ 497 498 /* Private functions ---------------------------------------------------------*/ 499 500 /** 501 * @} 502 */ 503 504 /** 505 * @} 506 */ 507 508 #ifdef __cplusplus 509 } 510 #endif 511 512 #endif /* STM32F3xx_HAL_UART_EX_H */ 513 514
