1 /** 2 ****************************************************************************** 3 * @file stm32c0xx_hal_uart.h 4 * @author MCD Application Team 5 * @brief Header file of UART HAL module. 6 ****************************************************************************** 7 * @attention 8 * 9 * Copyright (c) 2022 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 STM32C0xx_HAL_UART_H 21 #define STM32C0xx_HAL_UART_H 22 23 #ifdef __cplusplus 24 extern "C" { 25 #endif 26 27 /* Includes ------------------------------------------------------------------*/ 28 #include "stm32c0xx_hal_def.h" 29 30 /** @addtogroup STM32C0xx_HAL_Driver 31 * @{ 32 */ 33 34 /** @addtogroup UART 35 * @{ 36 */ 37 38 /* Exported types ------------------------------------------------------------*/ 39 /** @defgroup UART_Exported_Types UART Exported Types 40 * @{ 41 */ 42 43 /** 44 * @brief UART Init Structure definition 45 */ 46 typedef struct 47 { 48 uint32_t BaudRate; /*!< This member configures the UART communication baud rate. 49 The baud rate register is computed using the following formula: 50 - If oversampling is 16 or in LIN mode, 51 Baud Rate Register = ((uart_ker_ckpres) / ((huart->Init.BaudRate))) 52 - If oversampling is 8, 53 Baud Rate Register[15:4] = ((2 * uart_ker_ckpres) / 54 ((huart->Init.BaudRate)))[15:4] 55 Baud Rate Register[3] = 0 56 Baud Rate Register[2:0] = (((2 * uart_ker_ckpres) / 57 ((huart->Init.BaudRate)))[3:0]) >> 1 58 where uart_ker_ck_pres is the UART input clock divided by a prescaler */ 59 60 uint32_t WordLength; /*!< Specifies the number of data bits transmitted or received in a frame. 61 This parameter can be a value of @ref UARTEx_Word_Length. */ 62 63 uint32_t StopBits; /*!< Specifies the number of stop bits transmitted. 64 This parameter can be a value of @ref UART_Stop_Bits. */ 65 66 uint32_t Parity; /*!< Specifies the parity mode. 67 This parameter can be a value of @ref UART_Parity 68 @note When parity is enabled, the computed parity is inserted 69 at the MSB position of the transmitted data (9th bit when 70 the word length is set to 9 data bits; 8th bit when the 71 word length is set to 8 data bits). */ 72 73 uint32_t Mode; /*!< Specifies whether the Receive or Transmit mode is enabled or disabled. 74 This parameter can be a value of @ref UART_Mode. */ 75 76 uint32_t HwFlowCtl; /*!< Specifies whether the hardware flow control mode is enabled 77 or disabled. 78 This parameter can be a value of @ref UART_Hardware_Flow_Control. */ 79 80 uint32_t OverSampling; /*!< Specifies whether the Over sampling 8 is enabled or disabled, 81 to achieve higher speed (up to f_PCLK/8). 82 This parameter can be a value of @ref UART_Over_Sampling. */ 83 84 uint32_t OneBitSampling; /*!< Specifies whether a single sample or three samples' majority vote is selected. 85 Selecting the single sample method increases the receiver tolerance to clock 86 deviations. This parameter can be a value of @ref UART_OneBit_Sampling. */ 87 88 uint32_t ClockPrescaler; /*!< Specifies the prescaler value used to divide the UART clock source. 89 This parameter can be a value of @ref UART_ClockPrescaler. */ 90 91 } UART_InitTypeDef; 92 93 /** 94 * @brief UART Advanced Features initialization structure definition 95 */ 96 typedef struct 97 { 98 uint32_t AdvFeatureInit; /*!< Specifies which advanced UART features is initialized. Several 99 Advanced Features may be initialized at the same time . 100 This parameter can be a value of 101 @ref UART_Advanced_Features_Initialization_Type. */ 102 103 uint32_t TxPinLevelInvert; /*!< Specifies whether the TX pin active level is inverted. 104 This parameter can be a value of @ref UART_Tx_Inv. */ 105 106 uint32_t RxPinLevelInvert; /*!< Specifies whether the RX pin active level is inverted. 107 This parameter can be a value of @ref UART_Rx_Inv. */ 108 109 uint32_t DataInvert; /*!< Specifies whether data are inverted (positive/direct logic 110 vs negative/inverted logic). 111 This parameter can be a value of @ref UART_Data_Inv. */ 112 113 uint32_t Swap; /*!< Specifies whether TX and RX pins are swapped. 114 This parameter can be a value of @ref UART_Rx_Tx_Swap. */ 115 116 uint32_t OverrunDisable; /*!< Specifies whether the reception overrun detection is disabled. 117 This parameter can be a value of @ref UART_Overrun_Disable. */ 118 119 uint32_t DMADisableonRxError; /*!< Specifies whether the DMA is disabled in case of reception error. 120 This parameter can be a value of @ref UART_DMA_Disable_on_Rx_Error. */ 121 122 uint32_t AutoBaudRateEnable; /*!< Specifies whether auto Baud rate detection is enabled. 123 This parameter can be a value of @ref UART_AutoBaudRate_Enable. */ 124 125 uint32_t AutoBaudRateMode; /*!< If auto Baud rate detection is enabled, specifies how the rate 126 detection is carried out. 127 This parameter can be a value of @ref UART_AutoBaud_Rate_Mode. */ 128 129 uint32_t MSBFirst; /*!< Specifies whether MSB is sent first on UART line. 130 This parameter can be a value of @ref UART_MSB_First. */ 131 } UART_AdvFeatureInitTypeDef; 132 133 /** 134 * @brief HAL UART State definition 135 * @note HAL UART State value is a combination of 2 different substates: 136 * gState and RxState (see @ref UART_State_Definition). 137 * - gState contains UART state information related to global Handle management 138 * and also information related to Tx operations. 139 * gState value coding follow below described bitmap : 140 * b7-b6 Error information 141 * 00 : No Error 142 * 01 : (Not Used) 143 * 10 : Timeout 144 * 11 : Error 145 * b5 Peripheral initialization status 146 * 0 : Reset (Peripheral not initialized) 147 * 1 : Init done (Peripheral initialized. HAL UART Init function already called) 148 * b4-b3 (not used) 149 * xx : Should be set to 00 150 * b2 Intrinsic process state 151 * 0 : Ready 152 * 1 : Busy (Peripheral busy with some configuration or internal operations) 153 * b1 (not used) 154 * x : Should be set to 0 155 * b0 Tx state 156 * 0 : Ready (no Tx operation ongoing) 157 * 1 : Busy (Tx operation ongoing) 158 * - RxState contains information related to Rx operations. 159 * RxState value coding follow below described bitmap : 160 * b7-b6 (not used) 161 * xx : Should be set to 00 162 * b5 Peripheral initialization status 163 * 0 : Reset (Peripheral not initialized) 164 * 1 : Init done (Peripheral initialized) 165 * b4-b2 (not used) 166 * xxx : Should be set to 000 167 * b1 Rx state 168 * 0 : Ready (no Rx operation ongoing) 169 * 1 : Busy (Rx operation ongoing) 170 * b0 (not used) 171 * x : Should be set to 0. 172 */ 173 typedef uint32_t HAL_UART_StateTypeDef; 174 175 /** 176 * @brief UART clock sources definition 177 */ 178 typedef enum 179 { 180 UART_CLOCKSOURCE_PCLK1 = 0x00U, /*!< PCLK1 clock source */ 181 UART_CLOCKSOURCE_HSI = 0x02U, /*!< HSI clock source */ 182 UART_CLOCKSOURCE_SYSCLK = 0x04U, /*!< SYSCLK clock source */ 183 UART_CLOCKSOURCE_LSE = 0x08U, /*!< LSE clock source */ 184 UART_CLOCKSOURCE_UNDEFINED = 0x10U /*!< Undefined clock source */ 185 } UART_ClockSourceTypeDef; 186 187 /** 188 * @brief HAL UART Reception type definition 189 * @note HAL UART Reception type value aims to identify which type of Reception is ongoing. 190 * It is expected to admit following values : 191 * HAL_UART_RECEPTION_STANDARD = 0x00U, 192 * HAL_UART_RECEPTION_TOIDLE = 0x01U, 193 * HAL_UART_RECEPTION_TORTO = 0x02U, 194 * HAL_UART_RECEPTION_TOCHARMATCH = 0x03U, 195 */ 196 typedef uint32_t HAL_UART_RxTypeTypeDef; 197 198 /** 199 * @brief UART handle Structure definition 200 */ 201 typedef struct __UART_HandleTypeDef 202 { 203 USART_TypeDef *Instance; /*!< UART registers base address */ 204 205 UART_InitTypeDef Init; /*!< UART communication parameters */ 206 207 UART_AdvFeatureInitTypeDef AdvancedInit; /*!< UART Advanced Features initialization parameters */ 208 209 const uint8_t *pTxBuffPtr; /*!< Pointer to UART Tx transfer Buffer */ 210 211 uint16_t TxXferSize; /*!< UART Tx Transfer size */ 212 213 __IO uint16_t TxXferCount; /*!< UART Tx Transfer Counter */ 214 215 uint8_t *pRxBuffPtr; /*!< Pointer to UART Rx transfer Buffer */ 216 217 uint16_t RxXferSize; /*!< UART Rx Transfer size */ 218 219 __IO uint16_t RxXferCount; /*!< UART Rx Transfer Counter */ 220 221 uint16_t Mask; /*!< UART Rx RDR register mask */ 222 223 uint32_t FifoMode; /*!< Specifies if the FIFO mode is being used. 224 This parameter can be a value of @ref UARTEx_FIFO_mode. */ 225 226 uint16_t NbRxDataToProcess; /*!< Number of data to process during RX ISR execution */ 227 228 uint16_t NbTxDataToProcess; /*!< Number of data to process during TX ISR execution */ 229 230 __IO HAL_UART_RxTypeTypeDef ReceptionType; /*!< Type of ongoing reception */ 231 232 void (*RxISR)(struct __UART_HandleTypeDef *huart); /*!< Function pointer on Rx IRQ handler */ 233 234 void (*TxISR)(struct __UART_HandleTypeDef *huart); /*!< Function pointer on Tx IRQ handler */ 235 236 DMA_HandleTypeDef *hdmatx; /*!< UART Tx DMA Handle parameters */ 237 238 DMA_HandleTypeDef *hdmarx; /*!< UART Rx DMA Handle parameters */ 239 240 HAL_LockTypeDef Lock; /*!< Locking object */ 241 242 __IO HAL_UART_StateTypeDef gState; /*!< UART state information related to global Handle management 243 and also related to Tx operations. This parameter 244 can be a value of @ref HAL_UART_StateTypeDef */ 245 246 __IO HAL_UART_StateTypeDef RxState; /*!< UART state information related to Rx operations. This 247 parameter can be a value of @ref HAL_UART_StateTypeDef */ 248 249 __IO uint32_t ErrorCode; /*!< UART Error code */ 250 251 #if (USE_HAL_UART_REGISTER_CALLBACKS == 1) 252 void (* TxHalfCpltCallback)(struct __UART_HandleTypeDef *huart); /*!< UART Tx Half Complete Callback */ 253 void (* TxCpltCallback)(struct __UART_HandleTypeDef *huart); /*!< UART Tx Complete Callback */ 254 void (* RxHalfCpltCallback)(struct __UART_HandleTypeDef *huart); /*!< UART Rx Half Complete Callback */ 255 void (* RxCpltCallback)(struct __UART_HandleTypeDef *huart); /*!< UART Rx Complete Callback */ 256 void (* ErrorCallback)(struct __UART_HandleTypeDef *huart); /*!< UART Error Callback */ 257 void (* AbortCpltCallback)(struct __UART_HandleTypeDef *huart); /*!< UART Abort Complete Callback */ 258 void (* AbortTransmitCpltCallback)(struct __UART_HandleTypeDef *huart); /*!< UART Abort Transmit Complete Callback */ 259 void (* AbortReceiveCpltCallback)(struct __UART_HandleTypeDef *huart); /*!< UART Abort Receive Complete Callback */ 260 void (* WakeupCallback)(struct __UART_HandleTypeDef *huart); /*!< UART Wakeup Callback */ 261 void (* RxFifoFullCallback)(struct __UART_HandleTypeDef *huart); /*!< UART Rx Fifo Full Callback */ 262 void (* TxFifoEmptyCallback)(struct __UART_HandleTypeDef *huart); /*!< UART Tx Fifo Empty Callback */ 263 void (* RxEventCallback)(struct __UART_HandleTypeDef *huart, uint16_t Pos); /*!< UART Reception Event Callback */ 264 265 void (* MspInitCallback)(struct __UART_HandleTypeDef *huart); /*!< UART Msp Init callback */ 266 void (* MspDeInitCallback)(struct __UART_HandleTypeDef *huart); /*!< UART Msp DeInit callback */ 267 #endif /* USE_HAL_UART_REGISTER_CALLBACKS */ 268 269 } UART_HandleTypeDef; 270 271 #if (USE_HAL_UART_REGISTER_CALLBACKS == 1) 272 /** 273 * @brief HAL UART Callback ID enumeration definition 274 */ 275 typedef enum 276 { 277 HAL_UART_TX_HALFCOMPLETE_CB_ID = 0x00U, /*!< UART Tx Half Complete Callback ID */ 278 HAL_UART_TX_COMPLETE_CB_ID = 0x01U, /*!< UART Tx Complete Callback ID */ 279 HAL_UART_RX_HALFCOMPLETE_CB_ID = 0x02U, /*!< UART Rx Half Complete Callback ID */ 280 HAL_UART_RX_COMPLETE_CB_ID = 0x03U, /*!< UART Rx Complete Callback ID */ 281 HAL_UART_ERROR_CB_ID = 0x04U, /*!< UART Error Callback ID */ 282 HAL_UART_ABORT_COMPLETE_CB_ID = 0x05U, /*!< UART Abort Complete Callback ID */ 283 HAL_UART_ABORT_TRANSMIT_COMPLETE_CB_ID = 0x06U, /*!< UART Abort Transmit Complete Callback ID */ 284 HAL_UART_ABORT_RECEIVE_COMPLETE_CB_ID = 0x07U, /*!< UART Abort Receive Complete Callback ID */ 285 HAL_UART_WAKEUP_CB_ID = 0x08U, /*!< UART Wakeup Callback ID */ 286 HAL_UART_RX_FIFO_FULL_CB_ID = 0x09U, /*!< UART Rx Fifo Full Callback ID */ 287 HAL_UART_TX_FIFO_EMPTY_CB_ID = 0x0AU, /*!< UART Tx Fifo Empty Callback ID */ 288 289 HAL_UART_MSPINIT_CB_ID = 0x0BU, /*!< UART MspInit callback ID */ 290 HAL_UART_MSPDEINIT_CB_ID = 0x0CU /*!< UART MspDeInit callback ID */ 291 292 } HAL_UART_CallbackIDTypeDef; 293 294 /** 295 * @brief HAL UART Callback pointer definition 296 */ 297 typedef void (*pUART_CallbackTypeDef)(UART_HandleTypeDef *huart); /*!< pointer to an UART callback function */ 298 typedef void (*pUART_RxEventCallbackTypeDef) 299 (struct __UART_HandleTypeDef *huart, uint16_t Pos); /*!< pointer to a UART Rx Event specific callback function */ 300 301 #endif /* USE_HAL_UART_REGISTER_CALLBACKS */ 302 303 /** 304 * @} 305 */ 306 307 /* Exported constants --------------------------------------------------------*/ 308 /** @defgroup UART_Exported_Constants UART Exported Constants 309 * @{ 310 */ 311 312 /** @defgroup UART_State_Definition UART State Code Definition 313 * @{ 314 */ 315 #define HAL_UART_STATE_RESET 0x00000000U /*!< Peripheral is not initialized 316 Value is allowed for gState and RxState */ 317 #define HAL_UART_STATE_READY 0x00000020U /*!< Peripheral Initialized and ready for use 318 Value is allowed for gState and RxState */ 319 #define HAL_UART_STATE_BUSY 0x00000024U /*!< an internal process is ongoing 320 Value is allowed for gState only */ 321 #define HAL_UART_STATE_BUSY_TX 0x00000021U /*!< Data Transmission process is ongoing 322 Value is allowed for gState only */ 323 #define HAL_UART_STATE_BUSY_RX 0x00000022U /*!< Data Reception process is ongoing 324 Value is allowed for RxState only */ 325 #define HAL_UART_STATE_BUSY_TX_RX 0x00000023U /*!< Data Transmission and Reception process is ongoing 326 Not to be used for neither gState nor RxState.Value is result 327 of combination (Or) between gState and RxState values */ 328 #define HAL_UART_STATE_TIMEOUT 0x000000A0U /*!< Timeout state 329 Value is allowed for gState only */ 330 #define HAL_UART_STATE_ERROR 0x000000E0U /*!< Error 331 Value is allowed for gState only */ 332 /** 333 * @} 334 */ 335 336 /** @defgroup UART_Error_Definition UART Error Definition 337 * @{ 338 */ 339 #define HAL_UART_ERROR_NONE (0x00000000U) /*!< No error */ 340 #define HAL_UART_ERROR_PE (0x00000001U) /*!< Parity error */ 341 #define HAL_UART_ERROR_NE (0x00000002U) /*!< Noise error */ 342 #define HAL_UART_ERROR_FE (0x00000004U) /*!< Frame error */ 343 #define HAL_UART_ERROR_ORE (0x00000008U) /*!< Overrun error */ 344 #define HAL_UART_ERROR_DMA (0x00000010U) /*!< DMA transfer error */ 345 #define HAL_UART_ERROR_RTO (0x00000020U) /*!< Receiver Timeout error */ 346 347 #if (USE_HAL_UART_REGISTER_CALLBACKS == 1) 348 #define HAL_UART_ERROR_INVALID_CALLBACK (0x00000040U) /*!< Invalid Callback error */ 349 #endif /* USE_HAL_UART_REGISTER_CALLBACKS */ 350 /** 351 * @} 352 */ 353 354 /** @defgroup UART_Stop_Bits UART Number of Stop Bits 355 * @{ 356 */ 357 #define UART_STOPBITS_0_5 USART_CR2_STOP_0 /*!< UART frame with 0.5 stop bit */ 358 #define UART_STOPBITS_1 0x00000000U /*!< UART frame with 1 stop bit */ 359 #define UART_STOPBITS_1_5 (USART_CR2_STOP_0 | USART_CR2_STOP_1) /*!< UART frame with 1.5 stop bits */ 360 #define UART_STOPBITS_2 USART_CR2_STOP_1 /*!< UART frame with 2 stop bits */ 361 /** 362 * @} 363 */ 364 365 /** @defgroup UART_Parity UART Parity 366 * @{ 367 */ 368 #define UART_PARITY_NONE 0x00000000U /*!< No parity */ 369 #define UART_PARITY_EVEN USART_CR1_PCE /*!< Even parity */ 370 #define UART_PARITY_ODD (USART_CR1_PCE | USART_CR1_PS) /*!< Odd parity */ 371 /** 372 * @} 373 */ 374 375 /** @defgroup UART_Hardware_Flow_Control UART Hardware Flow Control 376 * @{ 377 */ 378 #define UART_HWCONTROL_NONE 0x00000000U /*!< No hardware control */ 379 #define UART_HWCONTROL_RTS USART_CR3_RTSE /*!< Request To Send */ 380 #define UART_HWCONTROL_CTS USART_CR3_CTSE /*!< Clear To Send */ 381 #define UART_HWCONTROL_RTS_CTS (USART_CR3_RTSE | USART_CR3_CTSE) /*!< Request and Clear To Send */ 382 /** 383 * @} 384 */ 385 386 /** @defgroup UART_Mode UART Transfer Mode 387 * @{ 388 */ 389 #define UART_MODE_RX USART_CR1_RE /*!< RX mode */ 390 #define UART_MODE_TX USART_CR1_TE /*!< TX mode */ 391 #define UART_MODE_TX_RX (USART_CR1_TE |USART_CR1_RE) /*!< RX and TX mode */ 392 /** 393 * @} 394 */ 395 396 /** @defgroup UART_State UART State 397 * @{ 398 */ 399 #define UART_STATE_DISABLE 0x00000000U /*!< UART disabled */ 400 #define UART_STATE_ENABLE USART_CR1_UE /*!< UART enabled */ 401 /** 402 * @} 403 */ 404 405 /** @defgroup UART_Over_Sampling UART Over Sampling 406 * @{ 407 */ 408 #define UART_OVERSAMPLING_16 0x00000000U /*!< Oversampling by 16 */ 409 #define UART_OVERSAMPLING_8 USART_CR1_OVER8 /*!< Oversampling by 8 */ 410 /** 411 * @} 412 */ 413 414 /** @defgroup UART_OneBit_Sampling UART One Bit Sampling Method 415 * @{ 416 */ 417 #define UART_ONE_BIT_SAMPLE_DISABLE 0x00000000U /*!< One-bit sampling disable */ 418 #define UART_ONE_BIT_SAMPLE_ENABLE USART_CR3_ONEBIT /*!< One-bit sampling enable */ 419 /** 420 * @} 421 */ 422 423 /** @defgroup UART_ClockPrescaler UART Clock Prescaler 424 * @{ 425 */ 426 #define UART_PRESCALER_DIV1 0x00000000U /*!< fclk_pres = fclk */ 427 #define UART_PRESCALER_DIV2 0x00000001U /*!< fclk_pres = fclk/2 */ 428 #define UART_PRESCALER_DIV4 0x00000002U /*!< fclk_pres = fclk/4 */ 429 #define UART_PRESCALER_DIV6 0x00000003U /*!< fclk_pres = fclk/6 */ 430 #define UART_PRESCALER_DIV8 0x00000004U /*!< fclk_pres = fclk/8 */ 431 #define UART_PRESCALER_DIV10 0x00000005U /*!< fclk_pres = fclk/10 */ 432 #define UART_PRESCALER_DIV12 0x00000006U /*!< fclk_pres = fclk/12 */ 433 #define UART_PRESCALER_DIV16 0x00000007U /*!< fclk_pres = fclk/16 */ 434 #define UART_PRESCALER_DIV32 0x00000008U /*!< fclk_pres = fclk/32 */ 435 #define UART_PRESCALER_DIV64 0x00000009U /*!< fclk_pres = fclk/64 */ 436 #define UART_PRESCALER_DIV128 0x0000000AU /*!< fclk_pres = fclk/128 */ 437 #define UART_PRESCALER_DIV256 0x0000000BU /*!< fclk_pres = fclk/256 */ 438 /** 439 * @} 440 */ 441 442 /** @defgroup UART_AutoBaud_Rate_Mode UART Advanced Feature AutoBaud Rate Mode 443 * @{ 444 */ 445 #define UART_ADVFEATURE_AUTOBAUDRATE_ONSTARTBIT 0x00000000U /*!< Auto Baud rate detection 446 on start bit */ 447 #define UART_ADVFEATURE_AUTOBAUDRATE_ONFALLINGEDGE USART_CR2_ABRMODE_0 /*!< Auto Baud rate detection 448 on falling edge */ 449 #define UART_ADVFEATURE_AUTOBAUDRATE_ON0X7FFRAME USART_CR2_ABRMODE_1 /*!< Auto Baud rate detection 450 on 0x7F frame detection */ 451 #define UART_ADVFEATURE_AUTOBAUDRATE_ON0X55FRAME USART_CR2_ABRMODE /*!< Auto Baud rate detection 452 on 0x55 frame detection */ 453 /** 454 * @} 455 */ 456 457 /** @defgroup UART_Receiver_Timeout UART Receiver Timeout 458 * @{ 459 */ 460 #define UART_RECEIVER_TIMEOUT_DISABLE 0x00000000U /*!< UART Receiver Timeout disable */ 461 #define UART_RECEIVER_TIMEOUT_ENABLE USART_CR2_RTOEN /*!< UART Receiver Timeout enable */ 462 /** 463 * @} 464 */ 465 466 /** @defgroup UART_LIN UART Local Interconnection Network mode 467 * @{ 468 */ 469 #define UART_LIN_DISABLE 0x00000000U /*!< Local Interconnect Network disable */ 470 #define UART_LIN_ENABLE USART_CR2_LINEN /*!< Local Interconnect Network enable */ 471 /** 472 * @} 473 */ 474 475 /** @defgroup UART_LIN_Break_Detection UART LIN Break Detection 476 * @{ 477 */ 478 #define UART_LINBREAKDETECTLENGTH_10B 0x00000000U /*!< LIN 10-bit break detection length */ 479 #define UART_LINBREAKDETECTLENGTH_11B USART_CR2_LBDL /*!< LIN 11-bit break detection length */ 480 /** 481 * @} 482 */ 483 484 /** @defgroup UART_DMA_Tx UART DMA Tx 485 * @{ 486 */ 487 #define UART_DMA_TX_DISABLE 0x00000000U /*!< UART DMA TX disabled */ 488 #define UART_DMA_TX_ENABLE USART_CR3_DMAT /*!< UART DMA TX enabled */ 489 /** 490 * @} 491 */ 492 493 /** @defgroup UART_DMA_Rx UART DMA Rx 494 * @{ 495 */ 496 #define UART_DMA_RX_DISABLE 0x00000000U /*!< UART DMA RX disabled */ 497 #define UART_DMA_RX_ENABLE USART_CR3_DMAR /*!< UART DMA RX enabled */ 498 /** 499 * @} 500 */ 501 502 /** @defgroup UART_Half_Duplex_Selection UART Half Duplex Selection 503 * @{ 504 */ 505 #define UART_HALF_DUPLEX_DISABLE 0x00000000U /*!< UART half-duplex disabled */ 506 #define UART_HALF_DUPLEX_ENABLE USART_CR3_HDSEL /*!< UART half-duplex enabled */ 507 /** 508 * @} 509 */ 510 511 /** @defgroup UART_WakeUp_Methods UART WakeUp Methods 512 * @{ 513 */ 514 #define UART_WAKEUPMETHOD_IDLELINE 0x00000000U /*!< UART wake-up on idle line */ 515 #define UART_WAKEUPMETHOD_ADDRESSMARK USART_CR1_WAKE /*!< UART wake-up on address mark */ 516 /** 517 * @} 518 */ 519 520 /** @defgroup UART_Request_Parameters UART Request Parameters 521 * @{ 522 */ 523 #define UART_AUTOBAUD_REQUEST USART_RQR_ABRRQ /*!< Auto-Baud Rate Request */ 524 #define UART_SENDBREAK_REQUEST USART_RQR_SBKRQ /*!< Send Break Request */ 525 #define UART_MUTE_MODE_REQUEST USART_RQR_MMRQ /*!< Mute Mode Request */ 526 #define UART_RXDATA_FLUSH_REQUEST USART_RQR_RXFRQ /*!< Receive Data flush Request */ 527 #define UART_TXDATA_FLUSH_REQUEST USART_RQR_TXFRQ /*!< Transmit data flush Request */ 528 /** 529 * @} 530 */ 531 532 /** @defgroup UART_Advanced_Features_Initialization_Type UART Advanced Feature Initialization Type 533 * @{ 534 */ 535 #define UART_ADVFEATURE_NO_INIT 0x00000000U /*!< No advanced feature initialization */ 536 #define UART_ADVFEATURE_TXINVERT_INIT 0x00000001U /*!< TX pin active level inversion */ 537 #define UART_ADVFEATURE_RXINVERT_INIT 0x00000002U /*!< RX pin active level inversion */ 538 #define UART_ADVFEATURE_DATAINVERT_INIT 0x00000004U /*!< Binary data inversion */ 539 #define UART_ADVFEATURE_SWAP_INIT 0x00000008U /*!< TX/RX pins swap */ 540 #define UART_ADVFEATURE_RXOVERRUNDISABLE_INIT 0x00000010U /*!< RX overrun disable */ 541 #define UART_ADVFEATURE_DMADISABLEONERROR_INIT 0x00000020U /*!< DMA disable on Reception Error */ 542 #define UART_ADVFEATURE_AUTOBAUDRATE_INIT 0x00000040U /*!< Auto Baud rate detection initialization */ 543 #define UART_ADVFEATURE_MSBFIRST_INIT 0x00000080U /*!< Most significant bit sent/received first */ 544 /** 545 * @} 546 */ 547 548 /** @defgroup UART_Tx_Inv UART Advanced Feature TX Pin Active Level Inversion 549 * @{ 550 */ 551 #define UART_ADVFEATURE_TXINV_DISABLE 0x00000000U /*!< TX pin active level inversion disable */ 552 #define UART_ADVFEATURE_TXINV_ENABLE USART_CR2_TXINV /*!< TX pin active level inversion enable */ 553 /** 554 * @} 555 */ 556 557 /** @defgroup UART_Rx_Inv UART Advanced Feature RX Pin Active Level Inversion 558 * @{ 559 */ 560 #define UART_ADVFEATURE_RXINV_DISABLE 0x00000000U /*!< RX pin active level inversion disable */ 561 #define UART_ADVFEATURE_RXINV_ENABLE USART_CR2_RXINV /*!< RX pin active level inversion enable */ 562 /** 563 * @} 564 */ 565 566 /** @defgroup UART_Data_Inv UART Advanced Feature Binary Data Inversion 567 * @{ 568 */ 569 #define UART_ADVFEATURE_DATAINV_DISABLE 0x00000000U /*!< Binary data inversion disable */ 570 #define UART_ADVFEATURE_DATAINV_ENABLE USART_CR2_DATAINV /*!< Binary data inversion enable */ 571 /** 572 * @} 573 */ 574 575 /** @defgroup UART_Rx_Tx_Swap UART Advanced Feature RX TX Pins Swap 576 * @{ 577 */ 578 #define UART_ADVFEATURE_SWAP_DISABLE 0x00000000U /*!< TX/RX pins swap disable */ 579 #define UART_ADVFEATURE_SWAP_ENABLE USART_CR2_SWAP /*!< TX/RX pins swap enable */ 580 /** 581 * @} 582 */ 583 584 /** @defgroup UART_Overrun_Disable UART Advanced Feature Overrun Disable 585 * @{ 586 */ 587 #define UART_ADVFEATURE_OVERRUN_ENABLE 0x00000000U /*!< RX overrun enable */ 588 #define UART_ADVFEATURE_OVERRUN_DISABLE USART_CR3_OVRDIS /*!< RX overrun disable */ 589 /** 590 * @} 591 */ 592 593 /** @defgroup UART_AutoBaudRate_Enable UART Advanced Feature Auto BaudRate Enable 594 * @{ 595 */ 596 #define UART_ADVFEATURE_AUTOBAUDRATE_DISABLE 0x00000000U /*!< RX Auto Baud rate detection enable */ 597 #define UART_ADVFEATURE_AUTOBAUDRATE_ENABLE USART_CR2_ABREN /*!< RX Auto Baud rate detection disable */ 598 /** 599 * @} 600 */ 601 602 /** @defgroup UART_DMA_Disable_on_Rx_Error UART Advanced Feature DMA Disable On Rx Error 603 * @{ 604 */ 605 #define UART_ADVFEATURE_DMA_ENABLEONRXERROR 0x00000000U /*!< DMA enable on Reception Error */ 606 #define UART_ADVFEATURE_DMA_DISABLEONRXERROR USART_CR3_DDRE /*!< DMA disable on Reception Error */ 607 /** 608 * @} 609 */ 610 611 /** @defgroup UART_MSB_First UART Advanced Feature MSB First 612 * @{ 613 */ 614 #define UART_ADVFEATURE_MSBFIRST_DISABLE 0x00000000U /*!< Most significant bit sent/received 615 first disable */ 616 #define UART_ADVFEATURE_MSBFIRST_ENABLE USART_CR2_MSBFIRST /*!< Most significant bit sent/received 617 first enable */ 618 /** 619 * @} 620 */ 621 622 /** @defgroup UART_Stop_Mode_Enable UART Advanced Feature Stop Mode Enable 623 * @{ 624 */ 625 #define UART_ADVFEATURE_STOPMODE_DISABLE 0x00000000U /*!< UART stop mode disable */ 626 #define UART_ADVFEATURE_STOPMODE_ENABLE USART_CR1_UESM /*!< UART stop mode enable */ 627 /** 628 * @} 629 */ 630 631 /** @defgroup UART_Mute_Mode UART Advanced Feature Mute Mode Enable 632 * @{ 633 */ 634 #define UART_ADVFEATURE_MUTEMODE_DISABLE 0x00000000U /*!< UART mute mode disable */ 635 #define UART_ADVFEATURE_MUTEMODE_ENABLE USART_CR1_MME /*!< UART mute mode enable */ 636 /** 637 * @} 638 */ 639 640 /** @defgroup UART_CR2_ADDRESS_LSB_POS UART Address-matching LSB Position In CR2 Register 641 * @{ 642 */ 643 #define UART_CR2_ADDRESS_LSB_POS 24U /*!< UART address-matching LSB position in CR2 register */ 644 /** 645 * @} 646 */ 647 648 /** @defgroup UART_WakeUp_from_Stop_Selection UART WakeUp From Stop Selection 649 * @{ 650 */ 651 #define UART_WAKEUP_ON_ADDRESS 0x00000000U /*!< UART wake-up on address */ 652 #define UART_WAKEUP_ON_STARTBIT USART_CR3_WUS_1 /*!< UART wake-up on start bit */ 653 #define UART_WAKEUP_ON_READDATA_NONEMPTY USART_CR3_WUS /*!< UART wake-up on receive data register 654 not empty or RXFIFO is not empty */ 655 /** 656 * @} 657 */ 658 659 /** @defgroup UART_DriverEnable_Polarity UART DriverEnable Polarity 660 * @{ 661 */ 662 #define UART_DE_POLARITY_HIGH 0x00000000U /*!< Driver enable signal is active high */ 663 #define UART_DE_POLARITY_LOW USART_CR3_DEP /*!< Driver enable signal is active low */ 664 /** 665 * @} 666 */ 667 668 /** @defgroup UART_CR1_DEAT_ADDRESS_LSB_POS UART Driver Enable Assertion Time LSB Position In CR1 Register 669 * @{ 670 */ 671 #define UART_CR1_DEAT_ADDRESS_LSB_POS 21U /*!< UART Driver Enable assertion time LSB 672 position in CR1 register */ 673 /** 674 * @} 675 */ 676 677 /** @defgroup UART_CR1_DEDT_ADDRESS_LSB_POS UART Driver Enable DeAssertion Time LSB Position In CR1 Register 678 * @{ 679 */ 680 #define UART_CR1_DEDT_ADDRESS_LSB_POS 16U /*!< UART Driver Enable de-assertion time LSB 681 position in CR1 register */ 682 /** 683 * @} 684 */ 685 686 /** @defgroup UART_Interruption_Mask UART Interruptions Flag Mask 687 * @{ 688 */ 689 #define UART_IT_MASK 0x001FU /*!< UART interruptions flags mask */ 690 /** 691 * @} 692 */ 693 694 /** @defgroup UART_TimeOut_Value UART polling-based communications time-out value 695 * @{ 696 */ 697 #define HAL_UART_TIMEOUT_VALUE 0x1FFFFFFU /*!< UART polling-based communications time-out value */ 698 /** 699 * @} 700 */ 701 702 /** @defgroup UART_Flags UART Status Flags 703 * Elements values convention: 0xXXXX 704 * - 0xXXXX : Flag mask in the ISR register 705 * @{ 706 */ 707 #define UART_FLAG_TXFT USART_ISR_TXFT /*!< UART TXFIFO threshold flag */ 708 #define UART_FLAG_RXFT USART_ISR_RXFT /*!< UART RXFIFO threshold flag */ 709 #define UART_FLAG_RXFF USART_ISR_RXFF /*!< UART RXFIFO Full flag */ 710 #define UART_FLAG_TXFE USART_ISR_TXFE /*!< UART TXFIFO Empty flag */ 711 #define UART_FLAG_REACK USART_ISR_REACK /*!< UART receive enable acknowledge flag */ 712 #define UART_FLAG_TEACK USART_ISR_TEACK /*!< UART transmit enable acknowledge flag */ 713 #define UART_FLAG_WUF USART_ISR_WUF /*!< UART wake-up from stop mode flag */ 714 #define UART_FLAG_RWU USART_ISR_RWU /*!< UART receiver wake-up from mute mode flag */ 715 #define UART_FLAG_SBKF USART_ISR_SBKF /*!< UART send break flag */ 716 #define UART_FLAG_CMF USART_ISR_CMF /*!< UART character match flag */ 717 #define UART_FLAG_BUSY USART_ISR_BUSY /*!< UART busy flag */ 718 #define UART_FLAG_ABRF USART_ISR_ABRF /*!< UART auto Baud rate flag */ 719 #define UART_FLAG_ABRE USART_ISR_ABRE /*!< UART auto Baud rate error */ 720 #define UART_FLAG_RTOF USART_ISR_RTOF /*!< UART receiver timeout flag */ 721 #define UART_FLAG_CTS USART_ISR_CTS /*!< UART clear to send flag */ 722 #define UART_FLAG_CTSIF USART_ISR_CTSIF /*!< UART clear to send interrupt flag */ 723 #define UART_FLAG_LBDF USART_ISR_LBDF /*!< UART LIN break detection flag */ 724 #define UART_FLAG_TXE USART_ISR_TXE_TXFNF /*!< UART transmit data register empty */ 725 #define UART_FLAG_TXFNF USART_ISR_TXE_TXFNF /*!< UART TXFIFO not full */ 726 #define UART_FLAG_TC USART_ISR_TC /*!< UART transmission complete */ 727 #define UART_FLAG_RXNE USART_ISR_RXNE_RXFNE /*!< UART read data register not empty */ 728 #define UART_FLAG_RXFNE USART_ISR_RXNE_RXFNE /*!< UART RXFIFO not empty */ 729 #define UART_FLAG_IDLE USART_ISR_IDLE /*!< UART idle flag */ 730 #define UART_FLAG_ORE USART_ISR_ORE /*!< UART overrun error */ 731 #define UART_FLAG_NE USART_ISR_NE /*!< UART noise error */ 732 #define UART_FLAG_FE USART_ISR_FE /*!< UART frame error */ 733 #define UART_FLAG_PE USART_ISR_PE /*!< UART parity error */ 734 /** 735 * @} 736 */ 737 738 /** @defgroup UART_Interrupt_definition UART Interrupts Definition 739 * Elements values convention: 000ZZZZZ0XXYYYYYb 740 * - YYYYY : Interrupt source position in the XX register (5bits) 741 * - XX : Interrupt source register (2bits) 742 * - 01: CR1 register 743 * - 10: CR2 register 744 * - 11: CR3 register 745 * - ZZZZZ : Flag position in the ISR register(5bits) 746 * Elements values convention: 000000000XXYYYYYb 747 * - YYYYY : Interrupt source position in the XX register (5bits) 748 * - XX : Interrupt source register (2bits) 749 * - 01: CR1 register 750 * - 10: CR2 register 751 * - 11: CR3 register 752 * Elements values convention: 0000ZZZZ00000000b 753 * - ZZZZ : Flag position in the ISR register(4bits) 754 * @{ 755 */ 756 #define UART_IT_PE 0x0028U /*!< UART parity error interruption */ 757 #define UART_IT_TXE 0x0727U /*!< UART transmit data register empty interruption */ 758 #define UART_IT_TXFNF 0x0727U /*!< UART TX FIFO not full interruption */ 759 #define UART_IT_TC 0x0626U /*!< UART transmission complete interruption */ 760 #define UART_IT_RXNE 0x0525U /*!< UART read data register not empty interruption */ 761 #define UART_IT_RXFNE 0x0525U /*!< UART RXFIFO not empty interruption */ 762 #define UART_IT_IDLE 0x0424U /*!< UART idle interruption */ 763 #define UART_IT_LBD 0x0846U /*!< UART LIN break detection interruption */ 764 #define UART_IT_CTS 0x096AU /*!< UART CTS interruption */ 765 #define UART_IT_CM 0x112EU /*!< UART character match interruption */ 766 #define UART_IT_WUF 0x1476U /*!< UART wake-up from stop mode interruption */ 767 #define UART_IT_RXFF 0x183FU /*!< UART RXFIFO full interruption */ 768 #define UART_IT_TXFE 0x173EU /*!< UART TXFIFO empty interruption */ 769 #define UART_IT_RXFT 0x1A7CU /*!< UART RXFIFO threshold reached interruption */ 770 #define UART_IT_TXFT 0x1B77U /*!< UART TXFIFO threshold reached interruption */ 771 #define UART_IT_RTO 0x0B3AU /*!< UART receiver timeout interruption */ 772 773 #define UART_IT_ERR 0x0060U /*!< UART error interruption */ 774 775 #define UART_IT_ORE 0x0300U /*!< UART overrun error interruption */ 776 #define UART_IT_NE 0x0200U /*!< UART noise error interruption */ 777 #define UART_IT_FE 0x0100U /*!< UART frame error interruption */ 778 /** 779 * @} 780 */ 781 782 /** @defgroup UART_IT_CLEAR_Flags UART Interruption Clear Flags 783 * @{ 784 */ 785 #define UART_CLEAR_PEF USART_ICR_PECF /*!< Parity Error Clear Flag */ 786 #define UART_CLEAR_FEF USART_ICR_FECF /*!< Framing Error Clear Flag */ 787 #define UART_CLEAR_NEF USART_ICR_NECF /*!< Noise Error detected Clear Flag */ 788 #define UART_CLEAR_OREF USART_ICR_ORECF /*!< Overrun Error Clear Flag */ 789 #define UART_CLEAR_IDLEF USART_ICR_IDLECF /*!< IDLE line detected Clear Flag */ 790 #define UART_CLEAR_TXFECF USART_ICR_TXFECF /*!< TXFIFO empty clear flag */ 791 #define UART_CLEAR_TCF USART_ICR_TCCF /*!< Transmission Complete Clear Flag */ 792 #define UART_CLEAR_LBDF USART_ICR_LBDCF /*!< LIN Break Detection Clear Flag */ 793 #define UART_CLEAR_CTSF USART_ICR_CTSCF /*!< CTS Interrupt Clear Flag */ 794 #define UART_CLEAR_CMF USART_ICR_CMCF /*!< Character Match Clear Flag */ 795 #define UART_CLEAR_WUF USART_ICR_WUCF /*!< Wake Up from stop mode Clear Flag */ 796 #define UART_CLEAR_RTOF USART_ICR_RTOCF /*!< UART receiver timeout clear flag */ 797 /** 798 * @} 799 */ 800 801 /** @defgroup UART_RECEPTION_TYPE_Values UART Reception type values 802 * @{ 803 */ 804 #define HAL_UART_RECEPTION_STANDARD (0x00000000U) /*!< Standard reception */ 805 #define HAL_UART_RECEPTION_TOIDLE (0x00000001U) /*!< Reception till completion or IDLE event */ 806 #define HAL_UART_RECEPTION_TORTO (0x00000002U) /*!< Reception till completion or RTO event */ 807 #define HAL_UART_RECEPTION_TOCHARMATCH (0x00000003U) /*!< Reception till completion or CM event */ 808 /** 809 * @} 810 */ 811 812 /** 813 * @} 814 */ 815 816 /* Exported macros -----------------------------------------------------------*/ 817 /** @defgroup UART_Exported_Macros UART Exported Macros 818 * @{ 819 */ 820 821 /** @brief Reset UART handle states. 822 * @param __HANDLE__ UART handle. 823 * @retval None 824 */ 825 #if (USE_HAL_UART_REGISTER_CALLBACKS == 1) 826 #define __HAL_UART_RESET_HANDLE_STATE(__HANDLE__) do{ \ 827 (__HANDLE__)->gState = HAL_UART_STATE_RESET; \ 828 (__HANDLE__)->RxState = HAL_UART_STATE_RESET; \ 829 (__HANDLE__)->MspInitCallback = NULL; \ 830 (__HANDLE__)->MspDeInitCallback = NULL; \ 831 } while(0U) 832 #else 833 #define __HAL_UART_RESET_HANDLE_STATE(__HANDLE__) do{ \ 834 (__HANDLE__)->gState = HAL_UART_STATE_RESET; \ 835 (__HANDLE__)->RxState = HAL_UART_STATE_RESET; \ 836 } while(0U) 837 #endif /*USE_HAL_UART_REGISTER_CALLBACKS */ 838 839 /** @brief Flush the UART Data registers. 840 * @param __HANDLE__ specifies the UART Handle. 841 * @retval None 842 */ 843 #define __HAL_UART_FLUSH_DRREGISTER(__HANDLE__) \ 844 do{ \ 845 SET_BIT((__HANDLE__)->Instance->RQR, UART_RXDATA_FLUSH_REQUEST); \ 846 SET_BIT((__HANDLE__)->Instance->RQR, UART_TXDATA_FLUSH_REQUEST); \ 847 } while(0U) 848 849 /** @brief Clear the specified UART pending flag. 850 * @param __HANDLE__ specifies the UART Handle. 851 * @param __FLAG__ specifies the flag to check. 852 * This parameter can be any combination of the following values: 853 * @arg @ref UART_CLEAR_PEF Parity Error Clear Flag 854 * @arg @ref UART_CLEAR_FEF Framing Error Clear Flag 855 * @arg @ref UART_CLEAR_NEF Noise detected Clear Flag 856 * @arg @ref UART_CLEAR_OREF Overrun Error Clear Flag 857 * @arg @ref UART_CLEAR_IDLEF IDLE line detected Clear Flag 858 * @arg @ref UART_CLEAR_TXFECF TXFIFO empty clear Flag 859 * @arg @ref UART_CLEAR_TCF Transmission Complete Clear Flag 860 * @arg @ref UART_CLEAR_RTOF Receiver Timeout clear flag 861 * @arg @ref UART_CLEAR_LBDF LIN Break Detection Clear Flag 862 * @arg @ref UART_CLEAR_CTSF CTS Interrupt Clear Flag 863 * @arg @ref UART_CLEAR_CMF Character Match Clear Flag 864 * @arg @ref UART_CLEAR_WUF Wake Up from stop mode Clear Flag 865 * @retval None 866 */ 867 #define __HAL_UART_CLEAR_FLAG(__HANDLE__, __FLAG__) ((__HANDLE__)->Instance->ICR = (__FLAG__)) 868 869 /** @brief Clear the UART PE pending flag. 870 * @param __HANDLE__ specifies the UART Handle. 871 * @retval None 872 */ 873 #define __HAL_UART_CLEAR_PEFLAG(__HANDLE__) __HAL_UART_CLEAR_FLAG((__HANDLE__), UART_CLEAR_PEF) 874 875 /** @brief Clear the UART FE pending flag. 876 * @param __HANDLE__ specifies the UART Handle. 877 * @retval None 878 */ 879 #define __HAL_UART_CLEAR_FEFLAG(__HANDLE__) __HAL_UART_CLEAR_FLAG((__HANDLE__), UART_CLEAR_FEF) 880 881 /** @brief Clear the UART NE pending flag. 882 * @param __HANDLE__ specifies the UART Handle. 883 * @retval None 884 */ 885 #define __HAL_UART_CLEAR_NEFLAG(__HANDLE__) __HAL_UART_CLEAR_FLAG((__HANDLE__), UART_CLEAR_NEF) 886 887 /** @brief Clear the UART ORE pending flag. 888 * @param __HANDLE__ specifies the UART Handle. 889 * @retval None 890 */ 891 #define __HAL_UART_CLEAR_OREFLAG(__HANDLE__) __HAL_UART_CLEAR_FLAG((__HANDLE__), UART_CLEAR_OREF) 892 893 /** @brief Clear the UART IDLE pending flag. 894 * @param __HANDLE__ specifies the UART Handle. 895 * @retval None 896 */ 897 #define __HAL_UART_CLEAR_IDLEFLAG(__HANDLE__) __HAL_UART_CLEAR_FLAG((__HANDLE__), UART_CLEAR_IDLEF) 898 899 /** @brief Clear the UART TX FIFO empty clear flag. 900 * @param __HANDLE__ specifies the UART Handle. 901 * @retval None 902 */ 903 #define __HAL_UART_CLEAR_TXFECF(__HANDLE__) __HAL_UART_CLEAR_FLAG((__HANDLE__), UART_CLEAR_TXFECF) 904 905 /** @brief Check whether the specified UART flag is set or not. 906 * @param __HANDLE__ specifies the UART Handle. 907 * @param __FLAG__ specifies the flag to check. 908 * This parameter can be one of the following values: 909 * @arg @ref UART_FLAG_TXFT TXFIFO threshold flag 910 * @arg @ref UART_FLAG_RXFT RXFIFO threshold flag 911 * @arg @ref UART_FLAG_RXFF RXFIFO Full flag 912 * @arg @ref UART_FLAG_TXFE TXFIFO Empty flag 913 * @arg @ref UART_FLAG_REACK Receive enable acknowledge flag 914 * @arg @ref UART_FLAG_TEACK Transmit enable acknowledge flag 915 * @arg @ref UART_FLAG_WUF Wake up from stop mode flag 916 * @arg @ref UART_FLAG_RWU Receiver wake up flag (if the UART in mute mode) 917 * @arg @ref UART_FLAG_SBKF Send Break flag 918 * @arg @ref UART_FLAG_CMF Character match flag 919 * @arg @ref UART_FLAG_BUSY Busy flag 920 * @arg @ref UART_FLAG_ABRF Auto Baud rate detection flag 921 * @arg @ref UART_FLAG_ABRE Auto Baud rate detection error flag 922 * @arg @ref UART_FLAG_CTS CTS Change flag 923 * @arg @ref UART_FLAG_LBDF LIN Break detection flag 924 * @arg @ref UART_FLAG_TXE Transmit data register empty flag 925 * @arg @ref UART_FLAG_TXFNF UART TXFIFO not full flag 926 * @arg @ref UART_FLAG_TC Transmission Complete flag 927 * @arg @ref UART_FLAG_RXNE Receive data register not empty flag 928 * @arg @ref UART_FLAG_RXFNE UART RXFIFO not empty flag 929 * @arg @ref UART_FLAG_RTOF Receiver Timeout flag 930 * @arg @ref UART_FLAG_IDLE Idle Line detection flag 931 * @arg @ref UART_FLAG_ORE Overrun Error flag 932 * @arg @ref UART_FLAG_NE Noise Error flag 933 * @arg @ref UART_FLAG_FE Framing Error flag 934 * @arg @ref UART_FLAG_PE Parity Error flag 935 * @retval The new state of __FLAG__ (TRUE or FALSE). 936 */ 937 #define __HAL_UART_GET_FLAG(__HANDLE__, __FLAG__) (((__HANDLE__)->Instance->ISR & (__FLAG__)) == (__FLAG__)) 938 939 /** @brief Enable the specified UART interrupt. 940 * @param __HANDLE__ specifies the UART Handle. 941 * @param __INTERRUPT__ specifies the UART interrupt source to enable. 942 * This parameter can be one of the following values: 943 * @arg @ref UART_IT_RXFF RXFIFO Full interrupt 944 * @arg @ref UART_IT_TXFE TXFIFO Empty interrupt 945 * @arg @ref UART_IT_RXFT RXFIFO threshold interrupt 946 * @arg @ref UART_IT_TXFT TXFIFO threshold interrupt 947 * @arg @ref UART_IT_WUF Wakeup from stop mode interrupt 948 * @arg @ref UART_IT_CM Character match interrupt 949 * @arg @ref UART_IT_CTS CTS change interrupt 950 * @arg @ref UART_IT_LBD LIN Break detection interrupt 951 * @arg @ref UART_IT_TXE Transmit Data Register empty interrupt 952 * @arg @ref UART_IT_TXFNF TX FIFO not full interrupt 953 * @arg @ref UART_IT_TC Transmission complete interrupt 954 * @arg @ref UART_IT_RXNE Receive Data register not empty interrupt 955 * @arg @ref UART_IT_RXFNE RXFIFO not empty interrupt 956 * @arg @ref UART_IT_RTO Receive Timeout interrupt 957 * @arg @ref UART_IT_IDLE Idle line detection interrupt 958 * @arg @ref UART_IT_PE Parity Error interrupt 959 * @arg @ref UART_IT_ERR Error interrupt (frame error, noise error, overrun error) 960 * @retval None 961 */ 962 #define __HAL_UART_ENABLE_IT(__HANDLE__, __INTERRUPT__) (\ 963 ((((uint8_t)(__INTERRUPT__)) >> 5U) == 1U)?\ 964 ((__HANDLE__)->Instance->CR1 |= (1U <<\ 965 ((__INTERRUPT__) & UART_IT_MASK))): \ 966 ((((uint8_t)(__INTERRUPT__)) >> 5U) == 2U)?\ 967 ((__HANDLE__)->Instance->CR2 |= (1U <<\ 968 ((__INTERRUPT__) & UART_IT_MASK))): \ 969 ((__HANDLE__)->Instance->CR3 |= (1U <<\ 970 ((__INTERRUPT__) & UART_IT_MASK)))) 971 972 /** @brief Disable the specified UART interrupt. 973 * @param __HANDLE__ specifies the UART Handle. 974 * @param __INTERRUPT__ specifies the UART interrupt source to disable. 975 * This parameter can be one of the following values: 976 * @arg @ref UART_IT_RXFF RXFIFO Full interrupt 977 * @arg @ref UART_IT_TXFE TXFIFO Empty interrupt 978 * @arg @ref UART_IT_RXFT RXFIFO threshold interrupt 979 * @arg @ref UART_IT_TXFT TXFIFO threshold interrupt 980 * @arg @ref UART_IT_WUF Wakeup from stop mode interrupt 981 * @arg @ref UART_IT_CM Character match interrupt 982 * @arg @ref UART_IT_CTS CTS change interrupt 983 * @arg @ref UART_IT_LBD LIN Break detection interrupt 984 * @arg @ref UART_IT_TXE Transmit Data Register empty interrupt 985 * @arg @ref UART_IT_TXFNF TX FIFO not full interrupt 986 * @arg @ref UART_IT_TC Transmission complete interrupt 987 * @arg @ref UART_IT_RXNE Receive Data register not empty interrupt 988 * @arg @ref UART_IT_RXFNE RXFIFO not empty interrupt 989 * @arg @ref UART_IT_RTO Receive Timeout interrupt 990 * @arg @ref UART_IT_IDLE Idle line detection interrupt 991 * @arg @ref UART_IT_PE Parity Error interrupt 992 * @arg @ref UART_IT_ERR Error interrupt (Frame error, noise error, overrun error) 993 * @retval None 994 */ 995 #define __HAL_UART_DISABLE_IT(__HANDLE__, __INTERRUPT__) (\ 996 ((((uint8_t)(__INTERRUPT__)) >> 5U) == 1U)?\ 997 ((__HANDLE__)->Instance->CR1 &= ~ (1U <<\ 998 ((__INTERRUPT__) & UART_IT_MASK))): \ 999 ((((uint8_t)(__INTERRUPT__)) >> 5U) == 2U)?\ 1000 ((__HANDLE__)->Instance->CR2 &= ~ (1U <<\ 1001 ((__INTERRUPT__) & UART_IT_MASK))): \ 1002 ((__HANDLE__)->Instance->CR3 &= ~ (1U <<\ 1003 ((__INTERRUPT__) & UART_IT_MASK)))) 1004 1005 /** @brief Check whether the specified UART interrupt has occurred or not. 1006 * @param __HANDLE__ specifies the UART Handle. 1007 * @param __INTERRUPT__ specifies the UART interrupt to check. 1008 * This parameter can be one of the following values: 1009 * @arg @ref UART_IT_RXFF RXFIFO Full interrupt 1010 * @arg @ref UART_IT_TXFE TXFIFO Empty interrupt 1011 * @arg @ref UART_IT_RXFT RXFIFO threshold interrupt 1012 * @arg @ref UART_IT_TXFT TXFIFO threshold interrupt 1013 * @arg @ref UART_IT_WUF Wakeup from stop mode interrupt 1014 * @arg @ref UART_IT_CM Character match interrupt 1015 * @arg @ref UART_IT_CTS CTS change interrupt 1016 * @arg @ref UART_IT_LBD LIN Break detection interrupt 1017 * @arg @ref UART_IT_TXE Transmit Data Register empty interrupt 1018 * @arg @ref UART_IT_TXFNF TX FIFO not full interrupt 1019 * @arg @ref UART_IT_TC Transmission complete interrupt 1020 * @arg @ref UART_IT_RXNE Receive Data register not empty interrupt 1021 * @arg @ref UART_IT_RXFNE RXFIFO not empty interrupt 1022 * @arg @ref UART_IT_RTO Receive Timeout interrupt 1023 * @arg @ref UART_IT_IDLE Idle line detection interrupt 1024 * @arg @ref UART_IT_PE Parity Error interrupt 1025 * @arg @ref UART_IT_ERR Error interrupt (Frame error, noise error, overrun error) 1026 * @retval The new state of __INTERRUPT__ (SET or RESET). 1027 */ 1028 #define __HAL_UART_GET_IT(__HANDLE__, __INTERRUPT__) ((((__HANDLE__)->Instance->ISR\ 1029 & (1U << ((__INTERRUPT__)>> 8U))) != RESET) ? SET : RESET) 1030 1031 /** @brief Check whether the specified UART interrupt source is enabled or not. 1032 * @param __HANDLE__ specifies the UART Handle. 1033 * @param __INTERRUPT__ specifies the UART interrupt source to check. 1034 * This parameter can be one of the following values: 1035 * @arg @ref UART_IT_RXFF RXFIFO Full interrupt 1036 * @arg @ref UART_IT_TXFE TXFIFO Empty interrupt 1037 * @arg @ref UART_IT_RXFT RXFIFO threshold interrupt 1038 * @arg @ref UART_IT_TXFT TXFIFO threshold interrupt 1039 * @arg @ref UART_IT_WUF Wakeup from stop mode interrupt 1040 * @arg @ref UART_IT_CM Character match interrupt 1041 * @arg @ref UART_IT_CTS CTS change interrupt 1042 * @arg @ref UART_IT_LBD LIN Break detection interrupt 1043 * @arg @ref UART_IT_TXE Transmit Data Register empty interrupt 1044 * @arg @ref UART_IT_TXFNF TX FIFO not full interrupt 1045 * @arg @ref UART_IT_TC Transmission complete interrupt 1046 * @arg @ref UART_IT_RXNE Receive Data register not empty interrupt 1047 * @arg @ref UART_IT_RXFNE RXFIFO not empty interrupt 1048 * @arg @ref UART_IT_RTO Receive Timeout interrupt 1049 * @arg @ref UART_IT_IDLE Idle line detection interrupt 1050 * @arg @ref UART_IT_PE Parity Error interrupt 1051 * @arg @ref UART_IT_ERR Error interrupt (Frame error, noise error, overrun error) 1052 * @retval The new state of __INTERRUPT__ (SET or RESET). 1053 */ 1054 #define __HAL_UART_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__) ((((((((uint8_t)(__INTERRUPT__)) >> 5U) == 1U) ?\ 1055 (__HANDLE__)->Instance->CR1 : \ 1056 (((((uint8_t)(__INTERRUPT__)) >> 5U) == 2U) ?\ 1057 (__HANDLE__)->Instance->CR2 : \ 1058 (__HANDLE__)->Instance->CR3)) & (1U <<\ 1059 (((uint16_t)(__INTERRUPT__)) &\ 1060 UART_IT_MASK))) != RESET) ? SET : RESET) 1061 1062 /** @brief Clear the specified UART ISR flag, in setting the proper ICR register flag. 1063 * @param __HANDLE__ specifies the UART Handle. 1064 * @param __IT_CLEAR__ specifies the interrupt clear register flag that needs to be set 1065 * to clear the corresponding interrupt 1066 * This parameter can be one of the following values: 1067 * @arg @ref UART_CLEAR_PEF Parity Error Clear Flag 1068 * @arg @ref UART_CLEAR_FEF Framing Error Clear Flag 1069 * @arg @ref UART_CLEAR_NEF Noise detected Clear Flag 1070 * @arg @ref UART_CLEAR_OREF Overrun Error Clear Flag 1071 * @arg @ref UART_CLEAR_IDLEF IDLE line detected Clear Flag 1072 * @arg @ref UART_CLEAR_RTOF Receiver timeout clear flag 1073 * @arg @ref UART_CLEAR_TXFECF TXFIFO empty Clear Flag 1074 * @arg @ref UART_CLEAR_TCF Transmission Complete Clear Flag 1075 * @arg @ref UART_CLEAR_LBDF LIN Break Detection Clear Flag 1076 * @arg @ref UART_CLEAR_CTSF CTS Interrupt Clear Flag 1077 * @arg @ref UART_CLEAR_CMF Character Match Clear Flag 1078 * @arg @ref UART_CLEAR_WUF Wake Up from stop mode Clear Flag 1079 * @retval None 1080 */ 1081 #define __HAL_UART_CLEAR_IT(__HANDLE__, __IT_CLEAR__) ((__HANDLE__)->Instance->ICR = (uint32_t)(__IT_CLEAR__)) 1082 1083 /** @brief Set a specific UART request flag. 1084 * @param __HANDLE__ specifies the UART Handle. 1085 * @param __REQ__ specifies the request flag to set 1086 * This parameter can be one of the following values: 1087 * @arg @ref UART_AUTOBAUD_REQUEST Auto-Baud Rate Request 1088 * @arg @ref UART_SENDBREAK_REQUEST Send Break Request 1089 * @arg @ref UART_MUTE_MODE_REQUEST Mute Mode Request 1090 * @arg @ref UART_RXDATA_FLUSH_REQUEST Receive Data flush Request 1091 * @arg @ref UART_TXDATA_FLUSH_REQUEST Transmit data flush Request 1092 * @retval None 1093 */ 1094 #define __HAL_UART_SEND_REQ(__HANDLE__, __REQ__) ((__HANDLE__)->Instance->RQR |= (uint16_t)(__REQ__)) 1095 1096 /** @brief Enable the UART one bit sample method. 1097 * @param __HANDLE__ specifies the UART Handle. 1098 * @retval None 1099 */ 1100 #define __HAL_UART_ONE_BIT_SAMPLE_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR3|= USART_CR3_ONEBIT) 1101 1102 /** @brief Disable the UART one bit sample method. 1103 * @param __HANDLE__ specifies the UART Handle. 1104 * @retval None 1105 */ 1106 #define __HAL_UART_ONE_BIT_SAMPLE_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR3 &= ~USART_CR3_ONEBIT) 1107 1108 /** @brief Enable UART. 1109 * @param __HANDLE__ specifies the UART Handle. 1110 * @retval None 1111 */ 1112 #define __HAL_UART_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR1 |= USART_CR1_UE) 1113 1114 /** @brief Disable UART. 1115 * @param __HANDLE__ specifies the UART Handle. 1116 * @retval None 1117 */ 1118 #define __HAL_UART_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR1 &= ~USART_CR1_UE) 1119 1120 /** @brief Enable CTS flow control. 1121 * @note This macro allows to enable CTS hardware flow control for a given UART instance, 1122 * without need to call HAL_UART_Init() function. 1123 * As involving direct access to UART registers, usage of this macro should be fully endorsed by user. 1124 * @note As macro is expected to be used for modifying CTS Hw flow control feature activation, without need 1125 * for USART instance Deinit/Init, following conditions for macro call should be fulfilled : 1126 * - UART instance should have already been initialised (through call of HAL_UART_Init() ) 1127 * - macro could only be called when corresponding UART instance is disabled 1128 * (i.e. __HAL_UART_DISABLE(__HANDLE__)) and should be followed by an Enable 1129 * macro (i.e. __HAL_UART_ENABLE(__HANDLE__)). 1130 * @param __HANDLE__ specifies the UART Handle. 1131 * @retval None 1132 */ 1133 #define __HAL_UART_HWCONTROL_CTS_ENABLE(__HANDLE__) \ 1134 do{ \ 1135 ATOMIC_SET_BIT((__HANDLE__)->Instance->CR3, USART_CR3_CTSE); \ 1136 (__HANDLE__)->Init.HwFlowCtl |= USART_CR3_CTSE; \ 1137 } while(0U) 1138 1139 /** @brief Disable CTS flow control. 1140 * @note This macro allows to disable CTS hardware flow control for a given UART instance, 1141 * without need to call HAL_UART_Init() function. 1142 * As involving direct access to UART registers, usage of this macro should be fully endorsed by user. 1143 * @note As macro is expected to be used for modifying CTS Hw flow control feature activation, without need 1144 * for USART instance Deinit/Init, following conditions for macro call should be fulfilled : 1145 * - UART instance should have already been initialised (through call of HAL_UART_Init() ) 1146 * - macro could only be called when corresponding UART instance is disabled 1147 * (i.e. __HAL_UART_DISABLE(__HANDLE__)) and should be followed by an Enable 1148 * macro (i.e. __HAL_UART_ENABLE(__HANDLE__)). 1149 * @param __HANDLE__ specifies the UART Handle. 1150 * @retval None 1151 */ 1152 #define __HAL_UART_HWCONTROL_CTS_DISABLE(__HANDLE__) \ 1153 do{ \ 1154 ATOMIC_CLEAR_BIT((__HANDLE__)->Instance->CR3, USART_CR3_CTSE); \ 1155 (__HANDLE__)->Init.HwFlowCtl &= ~(USART_CR3_CTSE); \ 1156 } while(0U) 1157 1158 /** @brief Enable RTS flow control. 1159 * @note This macro allows to enable RTS hardware flow control for a given UART instance, 1160 * without need to call HAL_UART_Init() function. 1161 * As involving direct access to UART registers, usage of this macro should be fully endorsed by user. 1162 * @note As macro is expected to be used for modifying RTS Hw flow control feature activation, without need 1163 * for USART instance Deinit/Init, following conditions for macro call should be fulfilled : 1164 * - UART instance should have already been initialised (through call of HAL_UART_Init() ) 1165 * - macro could only be called when corresponding UART instance is disabled 1166 * (i.e. __HAL_UART_DISABLE(__HANDLE__)) and should be followed by an Enable 1167 * macro (i.e. __HAL_UART_ENABLE(__HANDLE__)). 1168 * @param __HANDLE__ specifies the UART Handle. 1169 * @retval None 1170 */ 1171 #define __HAL_UART_HWCONTROL_RTS_ENABLE(__HANDLE__) \ 1172 do{ \ 1173 ATOMIC_SET_BIT((__HANDLE__)->Instance->CR3, USART_CR3_RTSE); \ 1174 (__HANDLE__)->Init.HwFlowCtl |= USART_CR3_RTSE; \ 1175 } while(0U) 1176 1177 /** @brief Disable RTS flow control. 1178 * @note This macro allows to disable RTS hardware flow control for a given UART instance, 1179 * without need to call HAL_UART_Init() function. 1180 * As involving direct access to UART registers, usage of this macro should be fully endorsed by user. 1181 * @note As macro is expected to be used for modifying RTS Hw flow control feature activation, without need 1182 * for USART instance Deinit/Init, following conditions for macro call should be fulfilled : 1183 * - UART instance should have already been initialised (through call of HAL_UART_Init() ) 1184 * - macro could only be called when corresponding UART instance is disabled 1185 * (i.e. __HAL_UART_DISABLE(__HANDLE__)) and should be followed by an Enable 1186 * macro (i.e. __HAL_UART_ENABLE(__HANDLE__)). 1187 * @param __HANDLE__ specifies the UART Handle. 1188 * @retval None 1189 */ 1190 #define __HAL_UART_HWCONTROL_RTS_DISABLE(__HANDLE__) \ 1191 do{ \ 1192 ATOMIC_CLEAR_BIT((__HANDLE__)->Instance->CR3, USART_CR3_RTSE);\ 1193 (__HANDLE__)->Init.HwFlowCtl &= ~(USART_CR3_RTSE); \ 1194 } while(0U) 1195 /** 1196 * @} 1197 */ 1198 1199 /* Private macros --------------------------------------------------------*/ 1200 /** @defgroup UART_Private_Macros UART Private Macros 1201 * @{ 1202 */ 1203 /** @brief Get UART clok division factor from clock prescaler value. 1204 * @param __CLOCKPRESCALER__ UART prescaler value. 1205 * @retval UART clock division factor 1206 */ 1207 #define UART_GET_DIV_FACTOR(__CLOCKPRESCALER__) \ 1208 (((__CLOCKPRESCALER__) == UART_PRESCALER_DIV1) ? 1U : \ 1209 ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV2) ? 2U : \ 1210 ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV4) ? 4U : \ 1211 ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV6) ? 6U : \ 1212 ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV8) ? 8U : \ 1213 ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV10) ? 10U : \ 1214 ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV12) ? 12U : \ 1215 ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV16) ? 16U : \ 1216 ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV32) ? 32U : \ 1217 ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV64) ? 64U : \ 1218 ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV128) ? 128U : \ 1219 ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV256) ? 256U : 1U) 1220 1221 1222 /** @brief BRR division operation to set BRR register in 8-bit oversampling mode. 1223 * @param __PCLK__ UART clock. 1224 * @param __BAUD__ Baud rate set by the user. 1225 * @param __CLOCKPRESCALER__ UART prescaler value. 1226 * @retval Division result 1227 */ 1228 #define UART_DIV_SAMPLING8(__PCLK__, __BAUD__, __CLOCKPRESCALER__) \ 1229 (((((__PCLK__)/UARTPrescTable[(__CLOCKPRESCALER__)])*2U) + ((__BAUD__)/2U)) / (__BAUD__)) 1230 1231 /** @brief BRR division operation to set BRR register in 16-bit oversampling mode. 1232 * @param __PCLK__ UART clock. 1233 * @param __BAUD__ Baud rate set by the user. 1234 * @param __CLOCKPRESCALER__ UART prescaler value. 1235 * @retval Division result 1236 */ 1237 #define UART_DIV_SAMPLING16(__PCLK__, __BAUD__, __CLOCKPRESCALER__) \ 1238 ((((__PCLK__)/UARTPrescTable[(__CLOCKPRESCALER__)]) + ((__BAUD__)/2U)) / (__BAUD__)) 1239 1240 1241 /** @brief Check UART Baud rate. 1242 * @param __BAUDRATE__ Baudrate specified by the user. 1243 * The maximum Baud Rate is derived from the maximum clock on C0 (i.e. 48 MHz) 1244 * divided by the smallest oversampling used on the USART (i.e. 8) 1245 * @retval SET (__BAUDRATE__ is valid) or RESET (__BAUDRATE__ is invalid) 1246 */ 1247 #define IS_UART_BAUDRATE(__BAUDRATE__) ((__BAUDRATE__) < 8000001U) 1248 1249 /** @brief Check UART assertion time. 1250 * @param __TIME__ 5-bit value assertion time. 1251 * @retval Test result (TRUE or FALSE). 1252 */ 1253 #define IS_UART_ASSERTIONTIME(__TIME__) ((__TIME__) <= 0x1FU) 1254 1255 /** @brief Check UART deassertion time. 1256 * @param __TIME__ 5-bit value deassertion time. 1257 * @retval Test result (TRUE or FALSE). 1258 */ 1259 #define IS_UART_DEASSERTIONTIME(__TIME__) ((__TIME__) <= 0x1FU) 1260 1261 /** 1262 * @brief Ensure that UART frame number of stop bits is valid. 1263 * @param __STOPBITS__ UART frame number of stop bits. 1264 * @retval SET (__STOPBITS__ is valid) or RESET (__STOPBITS__ is invalid) 1265 */ 1266 #define IS_UART_STOPBITS(__STOPBITS__) (((__STOPBITS__) == UART_STOPBITS_0_5) || \ 1267 ((__STOPBITS__) == UART_STOPBITS_1) || \ 1268 ((__STOPBITS__) == UART_STOPBITS_1_5) || \ 1269 ((__STOPBITS__) == UART_STOPBITS_2)) 1270 1271 1272 /** 1273 * @brief Ensure that UART frame parity is valid. 1274 * @param __PARITY__ UART frame parity. 1275 * @retval SET (__PARITY__ is valid) or RESET (__PARITY__ is invalid) 1276 */ 1277 #define IS_UART_PARITY(__PARITY__) (((__PARITY__) == UART_PARITY_NONE) || \ 1278 ((__PARITY__) == UART_PARITY_EVEN) || \ 1279 ((__PARITY__) == UART_PARITY_ODD)) 1280 1281 /** 1282 * @brief Ensure that UART hardware flow control is valid. 1283 * @param __CONTROL__ UART hardware flow control. 1284 * @retval SET (__CONTROL__ is valid) or RESET (__CONTROL__ is invalid) 1285 */ 1286 #define IS_UART_HARDWARE_FLOW_CONTROL(__CONTROL__)\ 1287 (((__CONTROL__) == UART_HWCONTROL_NONE) || \ 1288 ((__CONTROL__) == UART_HWCONTROL_RTS) || \ 1289 ((__CONTROL__) == UART_HWCONTROL_CTS) || \ 1290 ((__CONTROL__) == UART_HWCONTROL_RTS_CTS)) 1291 1292 /** 1293 * @brief Ensure that UART communication mode is valid. 1294 * @param __MODE__ UART communication mode. 1295 * @retval SET (__MODE__ is valid) or RESET (__MODE__ is invalid) 1296 */ 1297 #define IS_UART_MODE(__MODE__) ((((__MODE__) & (~((uint32_t)(UART_MODE_TX_RX)))) == 0x00U) && ((__MODE__) != 0x00U)) 1298 1299 /** 1300 * @brief Ensure that UART state is valid. 1301 * @param __STATE__ UART state. 1302 * @retval SET (__STATE__ is valid) or RESET (__STATE__ is invalid) 1303 */ 1304 #define IS_UART_STATE(__STATE__) (((__STATE__) == UART_STATE_DISABLE) || \ 1305 ((__STATE__) == UART_STATE_ENABLE)) 1306 1307 /** 1308 * @brief Ensure that UART oversampling is valid. 1309 * @param __SAMPLING__ UART oversampling. 1310 * @retval SET (__SAMPLING__ is valid) or RESET (__SAMPLING__ is invalid) 1311 */ 1312 #define IS_UART_OVERSAMPLING(__SAMPLING__) (((__SAMPLING__) == UART_OVERSAMPLING_16) || \ 1313 ((__SAMPLING__) == UART_OVERSAMPLING_8)) 1314 1315 /** 1316 * @brief Ensure that UART frame sampling is valid. 1317 * @param __ONEBIT__ UART frame sampling. 1318 * @retval SET (__ONEBIT__ is valid) or RESET (__ONEBIT__ is invalid) 1319 */ 1320 #define IS_UART_ONE_BIT_SAMPLE(__ONEBIT__) (((__ONEBIT__) == UART_ONE_BIT_SAMPLE_DISABLE) || \ 1321 ((__ONEBIT__) == UART_ONE_BIT_SAMPLE_ENABLE)) 1322 1323 /** 1324 * @brief Ensure that UART auto Baud rate detection mode is valid. 1325 * @param __MODE__ UART auto Baud rate detection mode. 1326 * @retval SET (__MODE__ is valid) or RESET (__MODE__ is invalid) 1327 */ 1328 #define IS_UART_ADVFEATURE_AUTOBAUDRATEMODE(__MODE__) (((__MODE__) == UART_ADVFEATURE_AUTOBAUDRATE_ONSTARTBIT) || \ 1329 ((__MODE__) == UART_ADVFEATURE_AUTOBAUDRATE_ONFALLINGEDGE) || \ 1330 ((__MODE__) == UART_ADVFEATURE_AUTOBAUDRATE_ON0X7FFRAME) || \ 1331 ((__MODE__) == UART_ADVFEATURE_AUTOBAUDRATE_ON0X55FRAME)) 1332 1333 /** 1334 * @brief Ensure that UART receiver timeout setting is valid. 1335 * @param __TIMEOUT__ UART receiver timeout setting. 1336 * @retval SET (__TIMEOUT__ is valid) or RESET (__TIMEOUT__ is invalid) 1337 */ 1338 #define IS_UART_RECEIVER_TIMEOUT(__TIMEOUT__) (((__TIMEOUT__) == UART_RECEIVER_TIMEOUT_DISABLE) || \ 1339 ((__TIMEOUT__) == UART_RECEIVER_TIMEOUT_ENABLE)) 1340 1341 /** @brief Check the receiver timeout value. 1342 * @note The maximum UART receiver timeout value is 0xFFFFFF. 1343 * @param __TIMEOUTVALUE__ receiver timeout value. 1344 * @retval Test result (TRUE or FALSE) 1345 */ 1346 #define IS_UART_RECEIVER_TIMEOUT_VALUE(__TIMEOUTVALUE__) ((__TIMEOUTVALUE__) <= 0xFFFFFFU) 1347 1348 /** 1349 * @brief Ensure that UART LIN state is valid. 1350 * @param __LIN__ UART LIN state. 1351 * @retval SET (__LIN__ is valid) or RESET (__LIN__ is invalid) 1352 */ 1353 #define IS_UART_LIN(__LIN__) (((__LIN__) == UART_LIN_DISABLE) || \ 1354 ((__LIN__) == UART_LIN_ENABLE)) 1355 1356 /** 1357 * @brief Ensure that UART LIN break detection length is valid. 1358 * @param __LENGTH__ UART LIN break detection length. 1359 * @retval SET (__LENGTH__ is valid) or RESET (__LENGTH__ is invalid) 1360 */ 1361 #define IS_UART_LIN_BREAK_DETECT_LENGTH(__LENGTH__) (((__LENGTH__) == UART_LINBREAKDETECTLENGTH_10B) || \ 1362 ((__LENGTH__) == UART_LINBREAKDETECTLENGTH_11B)) 1363 1364 /** 1365 * @brief Ensure that UART DMA TX state is valid. 1366 * @param __DMATX__ UART DMA TX state. 1367 * @retval SET (__DMATX__ is valid) or RESET (__DMATX__ is invalid) 1368 */ 1369 #define IS_UART_DMA_TX(__DMATX__) (((__DMATX__) == UART_DMA_TX_DISABLE) || \ 1370 ((__DMATX__) == UART_DMA_TX_ENABLE)) 1371 1372 /** 1373 * @brief Ensure that UART DMA RX state is valid. 1374 * @param __DMARX__ UART DMA RX state. 1375 * @retval SET (__DMARX__ is valid) or RESET (__DMARX__ is invalid) 1376 */ 1377 #define IS_UART_DMA_RX(__DMARX__) (((__DMARX__) == UART_DMA_RX_DISABLE) || \ 1378 ((__DMARX__) == UART_DMA_RX_ENABLE)) 1379 1380 /** 1381 * @brief Ensure that UART half-duplex state is valid. 1382 * @param __HDSEL__ UART half-duplex state. 1383 * @retval SET (__HDSEL__ is valid) or RESET (__HDSEL__ is invalid) 1384 */ 1385 #define IS_UART_HALF_DUPLEX(__HDSEL__) (((__HDSEL__) == UART_HALF_DUPLEX_DISABLE) || \ 1386 ((__HDSEL__) == UART_HALF_DUPLEX_ENABLE)) 1387 1388 /** 1389 * @brief Ensure that UART wake-up method is valid. 1390 * @param __WAKEUP__ UART wake-up method . 1391 * @retval SET (__WAKEUP__ is valid) or RESET (__WAKEUP__ is invalid) 1392 */ 1393 #define IS_UART_WAKEUPMETHOD(__WAKEUP__) (((__WAKEUP__) == UART_WAKEUPMETHOD_IDLELINE) || \ 1394 ((__WAKEUP__) == UART_WAKEUPMETHOD_ADDRESSMARK)) 1395 1396 /** 1397 * @brief Ensure that UART request parameter is valid. 1398 * @param __PARAM__ UART request parameter. 1399 * @retval SET (__PARAM__ is valid) or RESET (__PARAM__ is invalid) 1400 */ 1401 #define IS_UART_REQUEST_PARAMETER(__PARAM__) (((__PARAM__) == UART_AUTOBAUD_REQUEST) || \ 1402 ((__PARAM__) == UART_SENDBREAK_REQUEST) || \ 1403 ((__PARAM__) == UART_MUTE_MODE_REQUEST) || \ 1404 ((__PARAM__) == UART_RXDATA_FLUSH_REQUEST) || \ 1405 ((__PARAM__) == UART_TXDATA_FLUSH_REQUEST)) 1406 1407 /** 1408 * @brief Ensure that UART advanced features initialization is valid. 1409 * @param __INIT__ UART advanced features initialization. 1410 * @retval SET (__INIT__ is valid) or RESET (__INIT__ is invalid) 1411 */ 1412 #define IS_UART_ADVFEATURE_INIT(__INIT__) ((__INIT__) <= (UART_ADVFEATURE_NO_INIT | \ 1413 UART_ADVFEATURE_TXINVERT_INIT | \ 1414 UART_ADVFEATURE_RXINVERT_INIT | \ 1415 UART_ADVFEATURE_DATAINVERT_INIT | \ 1416 UART_ADVFEATURE_SWAP_INIT | \ 1417 UART_ADVFEATURE_RXOVERRUNDISABLE_INIT | \ 1418 UART_ADVFEATURE_DMADISABLEONERROR_INIT | \ 1419 UART_ADVFEATURE_AUTOBAUDRATE_INIT | \ 1420 UART_ADVFEATURE_MSBFIRST_INIT)) 1421 1422 /** 1423 * @brief Ensure that UART frame TX inversion setting is valid. 1424 * @param __TXINV__ UART frame TX inversion setting. 1425 * @retval SET (__TXINV__ is valid) or RESET (__TXINV__ is invalid) 1426 */ 1427 #define IS_UART_ADVFEATURE_TXINV(__TXINV__) (((__TXINV__) == UART_ADVFEATURE_TXINV_DISABLE) || \ 1428 ((__TXINV__) == UART_ADVFEATURE_TXINV_ENABLE)) 1429 1430 /** 1431 * @brief Ensure that UART frame RX inversion setting is valid. 1432 * @param __RXINV__ UART frame RX inversion setting. 1433 * @retval SET (__RXINV__ is valid) or RESET (__RXINV__ is invalid) 1434 */ 1435 #define IS_UART_ADVFEATURE_RXINV(__RXINV__) (((__RXINV__) == UART_ADVFEATURE_RXINV_DISABLE) || \ 1436 ((__RXINV__) == UART_ADVFEATURE_RXINV_ENABLE)) 1437 1438 /** 1439 * @brief Ensure that UART frame data inversion setting is valid. 1440 * @param __DATAINV__ UART frame data inversion setting. 1441 * @retval SET (__DATAINV__ is valid) or RESET (__DATAINV__ is invalid) 1442 */ 1443 #define IS_UART_ADVFEATURE_DATAINV(__DATAINV__) (((__DATAINV__) == UART_ADVFEATURE_DATAINV_DISABLE) || \ 1444 ((__DATAINV__) == UART_ADVFEATURE_DATAINV_ENABLE)) 1445 1446 /** 1447 * @brief Ensure that UART frame RX/TX pins swap setting is valid. 1448 * @param __SWAP__ UART frame RX/TX pins swap setting. 1449 * @retval SET (__SWAP__ is valid) or RESET (__SWAP__ is invalid) 1450 */ 1451 #define IS_UART_ADVFEATURE_SWAP(__SWAP__) (((__SWAP__) == UART_ADVFEATURE_SWAP_DISABLE) || \ 1452 ((__SWAP__) == UART_ADVFEATURE_SWAP_ENABLE)) 1453 1454 /** 1455 * @brief Ensure that UART frame overrun setting is valid. 1456 * @param __OVERRUN__ UART frame overrun setting. 1457 * @retval SET (__OVERRUN__ is valid) or RESET (__OVERRUN__ is invalid) 1458 */ 1459 #define IS_UART_OVERRUN(__OVERRUN__) (((__OVERRUN__) == UART_ADVFEATURE_OVERRUN_ENABLE) || \ 1460 ((__OVERRUN__) == UART_ADVFEATURE_OVERRUN_DISABLE)) 1461 1462 /** 1463 * @brief Ensure that UART auto Baud rate state is valid. 1464 * @param __AUTOBAUDRATE__ UART auto Baud rate state. 1465 * @retval SET (__AUTOBAUDRATE__ is valid) or RESET (__AUTOBAUDRATE__ is invalid) 1466 */ 1467 #define IS_UART_ADVFEATURE_AUTOBAUDRATE(__AUTOBAUDRATE__) (((__AUTOBAUDRATE__) == \ 1468 UART_ADVFEATURE_AUTOBAUDRATE_DISABLE) || \ 1469 ((__AUTOBAUDRATE__) == UART_ADVFEATURE_AUTOBAUDRATE_ENABLE)) 1470 1471 /** 1472 * @brief Ensure that UART DMA enabling or disabling on error setting is valid. 1473 * @param __DMA__ UART DMA enabling or disabling on error setting. 1474 * @retval SET (__DMA__ is valid) or RESET (__DMA__ is invalid) 1475 */ 1476 #define IS_UART_ADVFEATURE_DMAONRXERROR(__DMA__) (((__DMA__) == UART_ADVFEATURE_DMA_ENABLEONRXERROR) || \ 1477 ((__DMA__) == UART_ADVFEATURE_DMA_DISABLEONRXERROR)) 1478 1479 /** 1480 * @brief Ensure that UART frame MSB first setting is valid. 1481 * @param __MSBFIRST__ UART frame MSB first setting. 1482 * @retval SET (__MSBFIRST__ is valid) or RESET (__MSBFIRST__ is invalid) 1483 */ 1484 #define IS_UART_ADVFEATURE_MSBFIRST(__MSBFIRST__) (((__MSBFIRST__) == UART_ADVFEATURE_MSBFIRST_DISABLE) || \ 1485 ((__MSBFIRST__) == UART_ADVFEATURE_MSBFIRST_ENABLE)) 1486 1487 /** 1488 * @brief Ensure that UART stop mode state is valid. 1489 * @param __STOPMODE__ UART stop mode state. 1490 * @retval SET (__STOPMODE__ is valid) or RESET (__STOPMODE__ is invalid) 1491 */ 1492 #define IS_UART_ADVFEATURE_STOPMODE(__STOPMODE__) (((__STOPMODE__) == UART_ADVFEATURE_STOPMODE_DISABLE) || \ 1493 ((__STOPMODE__) == UART_ADVFEATURE_STOPMODE_ENABLE)) 1494 1495 /** 1496 * @brief Ensure that UART mute mode state is valid. 1497 * @param __MUTE__ UART mute mode state. 1498 * @retval SET (__MUTE__ is valid) or RESET (__MUTE__ is invalid) 1499 */ 1500 #define IS_UART_MUTE_MODE(__MUTE__) (((__MUTE__) == UART_ADVFEATURE_MUTEMODE_DISABLE) || \ 1501 ((__MUTE__) == UART_ADVFEATURE_MUTEMODE_ENABLE)) 1502 1503 /** 1504 * @brief Ensure that UART wake-up selection is valid. 1505 * @param __WAKE__ UART wake-up selection. 1506 * @retval SET (__WAKE__ is valid) or RESET (__WAKE__ is invalid) 1507 */ 1508 #define IS_UART_WAKEUP_SELECTION(__WAKE__) (((__WAKE__) == UART_WAKEUP_ON_ADDRESS) || \ 1509 ((__WAKE__) == UART_WAKEUP_ON_STARTBIT) || \ 1510 ((__WAKE__) == UART_WAKEUP_ON_READDATA_NONEMPTY)) 1511 1512 /** 1513 * @brief Ensure that UART driver enable polarity is valid. 1514 * @param __POLARITY__ UART driver enable polarity. 1515 * @retval SET (__POLARITY__ is valid) or RESET (__POLARITY__ is invalid) 1516 */ 1517 #define IS_UART_DE_POLARITY(__POLARITY__) (((__POLARITY__) == UART_DE_POLARITY_HIGH) || \ 1518 ((__POLARITY__) == UART_DE_POLARITY_LOW)) 1519 1520 /** 1521 * @brief Ensure that UART Prescaler is valid. 1522 * @param __CLOCKPRESCALER__ UART Prescaler value. 1523 * @retval SET (__CLOCKPRESCALER__ is valid) or RESET (__CLOCKPRESCALER__ is invalid) 1524 */ 1525 #define IS_UART_PRESCALER(__CLOCKPRESCALER__) (((__CLOCKPRESCALER__) == UART_PRESCALER_DIV1) || \ 1526 ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV2) || \ 1527 ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV4) || \ 1528 ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV6) || \ 1529 ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV8) || \ 1530 ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV10) || \ 1531 ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV12) || \ 1532 ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV16) || \ 1533 ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV32) || \ 1534 ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV64) || \ 1535 ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV128) || \ 1536 ((__CLOCKPRESCALER__) == UART_PRESCALER_DIV256)) 1537 1538 /** 1539 * @} 1540 */ 1541 1542 /* Include UART HAL Extended module */ 1543 #include "stm32c0xx_hal_uart_ex.h" 1544 1545 /* Exported functions --------------------------------------------------------*/ 1546 /** @addtogroup UART_Exported_Functions UART Exported Functions 1547 * @{ 1548 */ 1549 1550 /** @addtogroup UART_Exported_Functions_Group1 Initialization and de-initialization functions 1551 * @{ 1552 */ 1553 1554 /* Initialization and de-initialization functions ****************************/ 1555 HAL_StatusTypeDef HAL_UART_Init(UART_HandleTypeDef *huart); 1556 HAL_StatusTypeDef HAL_HalfDuplex_Init(UART_HandleTypeDef *huart); 1557 HAL_StatusTypeDef HAL_LIN_Init(UART_HandleTypeDef *huart, uint32_t BreakDetectLength); 1558 HAL_StatusTypeDef HAL_MultiProcessor_Init(UART_HandleTypeDef *huart, uint8_t Address, uint32_t WakeUpMethod); 1559 HAL_StatusTypeDef HAL_UART_DeInit(UART_HandleTypeDef *huart); 1560 void HAL_UART_MspInit(UART_HandleTypeDef *huart); 1561 void HAL_UART_MspDeInit(UART_HandleTypeDef *huart); 1562 1563 /* Callbacks Register/UnRegister functions ***********************************/ 1564 #if (USE_HAL_UART_REGISTER_CALLBACKS == 1) 1565 HAL_StatusTypeDef HAL_UART_RegisterCallback(UART_HandleTypeDef *huart, HAL_UART_CallbackIDTypeDef CallbackID, 1566 pUART_CallbackTypeDef pCallback); 1567 HAL_StatusTypeDef HAL_UART_UnRegisterCallback(UART_HandleTypeDef *huart, HAL_UART_CallbackIDTypeDef CallbackID); 1568 1569 HAL_StatusTypeDef HAL_UART_RegisterRxEventCallback(UART_HandleTypeDef *huart, pUART_RxEventCallbackTypeDef pCallback); 1570 HAL_StatusTypeDef HAL_UART_UnRegisterRxEventCallback(UART_HandleTypeDef *huart); 1571 #endif /* USE_HAL_UART_REGISTER_CALLBACKS */ 1572 1573 /** 1574 * @} 1575 */ 1576 1577 /** @addtogroup UART_Exported_Functions_Group2 IO operation functions 1578 * @{ 1579 */ 1580 1581 /* IO operation functions *****************************************************/ 1582 HAL_StatusTypeDef HAL_UART_Transmit(UART_HandleTypeDef *huart, const uint8_t *pData, uint16_t Size, uint32_t Timeout); 1583 HAL_StatusTypeDef HAL_UART_Receive(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size, uint32_t Timeout); 1584 HAL_StatusTypeDef HAL_UART_Transmit_IT(UART_HandleTypeDef *huart, const uint8_t *pData, uint16_t Size); 1585 HAL_StatusTypeDef HAL_UART_Receive_IT(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size); 1586 HAL_StatusTypeDef HAL_UART_Transmit_DMA(UART_HandleTypeDef *huart, const uint8_t *pData, uint16_t Size); 1587 HAL_StatusTypeDef HAL_UART_Receive_DMA(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size); 1588 HAL_StatusTypeDef HAL_UART_DMAPause(UART_HandleTypeDef *huart); 1589 HAL_StatusTypeDef HAL_UART_DMAResume(UART_HandleTypeDef *huart); 1590 HAL_StatusTypeDef HAL_UART_DMAStop(UART_HandleTypeDef *huart); 1591 /* Transfer Abort functions */ 1592 HAL_StatusTypeDef HAL_UART_Abort(UART_HandleTypeDef *huart); 1593 HAL_StatusTypeDef HAL_UART_AbortTransmit(UART_HandleTypeDef *huart); 1594 HAL_StatusTypeDef HAL_UART_AbortReceive(UART_HandleTypeDef *huart); 1595 HAL_StatusTypeDef HAL_UART_Abort_IT(UART_HandleTypeDef *huart); 1596 HAL_StatusTypeDef HAL_UART_AbortTransmit_IT(UART_HandleTypeDef *huart); 1597 HAL_StatusTypeDef HAL_UART_AbortReceive_IT(UART_HandleTypeDef *huart); 1598 1599 void HAL_UART_IRQHandler(UART_HandleTypeDef *huart); 1600 void HAL_UART_TxHalfCpltCallback(UART_HandleTypeDef *huart); 1601 void HAL_UART_TxCpltCallback(UART_HandleTypeDef *huart); 1602 void HAL_UART_RxHalfCpltCallback(UART_HandleTypeDef *huart); 1603 void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart); 1604 void HAL_UART_ErrorCallback(UART_HandleTypeDef *huart); 1605 void HAL_UART_AbortCpltCallback(UART_HandleTypeDef *huart); 1606 void HAL_UART_AbortTransmitCpltCallback(UART_HandleTypeDef *huart); 1607 void HAL_UART_AbortReceiveCpltCallback(UART_HandleTypeDef *huart); 1608 1609 void HAL_UARTEx_RxEventCallback(UART_HandleTypeDef *huart, uint16_t Size); 1610 1611 /** 1612 * @} 1613 */ 1614 1615 /** @addtogroup UART_Exported_Functions_Group3 Peripheral Control functions 1616 * @{ 1617 */ 1618 1619 /* Peripheral Control functions ************************************************/ 1620 void HAL_UART_ReceiverTimeout_Config(UART_HandleTypeDef *huart, uint32_t TimeoutValue); 1621 HAL_StatusTypeDef HAL_UART_EnableReceiverTimeout(UART_HandleTypeDef *huart); 1622 HAL_StatusTypeDef HAL_UART_DisableReceiverTimeout(UART_HandleTypeDef *huart); 1623 1624 HAL_StatusTypeDef HAL_LIN_SendBreak(UART_HandleTypeDef *huart); 1625 HAL_StatusTypeDef HAL_MultiProcessor_EnableMuteMode(UART_HandleTypeDef *huart); 1626 HAL_StatusTypeDef HAL_MultiProcessor_DisableMuteMode(UART_HandleTypeDef *huart); 1627 void HAL_MultiProcessor_EnterMuteMode(UART_HandleTypeDef *huart); 1628 HAL_StatusTypeDef HAL_HalfDuplex_EnableTransmitter(UART_HandleTypeDef *huart); 1629 HAL_StatusTypeDef HAL_HalfDuplex_EnableReceiver(UART_HandleTypeDef *huart); 1630 1631 /** 1632 * @} 1633 */ 1634 1635 /** @addtogroup UART_Exported_Functions_Group4 Peripheral State and Error functions 1636 * @{ 1637 */ 1638 1639 /* Peripheral State and Errors functions **************************************************/ 1640 HAL_UART_StateTypeDef HAL_UART_GetState(UART_HandleTypeDef *huart); 1641 uint32_t HAL_UART_GetError(UART_HandleTypeDef *huart); 1642 1643 /** 1644 * @} 1645 */ 1646 1647 /** 1648 * @} 1649 */ 1650 1651 /* Private functions -----------------------------------------------------------*/ 1652 /** @addtogroup UART_Private_Functions UART Private Functions 1653 * @{ 1654 */ 1655 #if (USE_HAL_UART_REGISTER_CALLBACKS == 1) 1656 void UART_InitCallbacksToDefault(UART_HandleTypeDef *huart); 1657 #endif /* USE_HAL_UART_REGISTER_CALLBACKS */ 1658 HAL_StatusTypeDef UART_SetConfig(UART_HandleTypeDef *huart); 1659 HAL_StatusTypeDef UART_CheckIdleState(UART_HandleTypeDef *huart); 1660 HAL_StatusTypeDef UART_WaitOnFlagUntilTimeout(UART_HandleTypeDef *huart, uint32_t Flag, FlagStatus Status, 1661 uint32_t Tickstart, uint32_t Timeout); 1662 void UART_AdvFeatureConfig(UART_HandleTypeDef *huart); 1663 HAL_StatusTypeDef UART_Start_Receive_IT(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size); 1664 HAL_StatusTypeDef UART_Start_Receive_DMA(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size); 1665 1666 /** 1667 * @} 1668 */ 1669 1670 /* Private variables -----------------------------------------------------------*/ 1671 /** @defgroup UART_Private_variables UART Private variables 1672 * @{ 1673 */ 1674 /* Prescaler Table used in BRR computation macros. 1675 Declared as extern here to allow use of private UART macros, outside of HAL UART functions */ 1676 extern const uint16_t UARTPrescTable[12]; 1677 /** 1678 * @} 1679 */ 1680 1681 /** 1682 * @} 1683 */ 1684 1685 /** 1686 * @} 1687 */ 1688 1689 #ifdef __cplusplus 1690 } 1691 #endif 1692 1693 #endif /* STM32C0xx_HAL_UART_H */ 1694 1695
