1 /** 2 ****************************************************************************** 3 * @file stm32g0xx_hal_usart.h 4 * @author MCD Application Team 5 * @brief Header file of USART HAL module. 6 ****************************************************************************** 7 * @attention 8 * 9 * Copyright (c) 2018 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 STM32G0xx_HAL_USART_H 21 #define STM32G0xx_HAL_USART_H 22 23 #ifdef __cplusplus 24 extern "C" { 25 #endif 26 27 /* Includes ------------------------------------------------------------------*/ 28 #include "stm32g0xx_hal_def.h" 29 30 /** @addtogroup STM32G0xx_HAL_Driver 31 * @{ 32 */ 33 34 /** @addtogroup USART 35 * @{ 36 */ 37 38 /* Exported types ------------------------------------------------------------*/ 39 /** @defgroup USART_Exported_Types USART Exported Types 40 * @{ 41 */ 42 43 /** 44 * @brief USART Init Structure definition 45 */ 46 typedef struct 47 { 48 uint32_t BaudRate; /*!< This member configures the Usart communication baud rate. 49 The baud rate is computed using the following formula: 50 Baud Rate Register[15:4] = ((2 * fclk_pres) / 51 ((huart->Init.BaudRate)))[15:4] 52 Baud Rate Register[3] = 0 53 Baud Rate Register[2:0] = (((2 * fclk_pres) / 54 ((huart->Init.BaudRate)))[3:0]) >> 1 55 where fclk_pres is the USART input clock frequency (fclk) 56 divided by a prescaler. 57 @note Oversampling by 8 is systematically applied to 58 achieve high baud rates. */ 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 USARTEx_Word_Length. */ 62 63 uint32_t StopBits; /*!< Specifies the number of stop bits transmitted. 64 This parameter can be a value of @ref USART_Stop_Bits. */ 65 66 uint32_t Parity; /*!< Specifies the parity mode. 67 This parameter can be a value of @ref USART_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 USART_Mode. */ 75 76 uint32_t CLKPolarity; /*!< Specifies the steady state of the serial clock. 77 This parameter can be a value of @ref USART_Clock_Polarity. */ 78 79 uint32_t CLKPhase; /*!< Specifies the clock transition on which the bit capture is made. 80 This parameter can be a value of @ref USART_Clock_Phase. */ 81 82 uint32_t CLKLastBit; /*!< Specifies whether the clock pulse corresponding to the last transmitted 83 data bit (MSB) has to be output on the SCLK pin in synchronous mode. 84 This parameter can be a value of @ref USART_Last_Bit. */ 85 86 uint32_t ClockPrescaler; /*!< Specifies the prescaler value used to divide the USART clock source. 87 This parameter can be a value of @ref USART_ClockPrescaler. */ 88 } USART_InitTypeDef; 89 90 /** 91 * @brief HAL USART State structures definition 92 */ 93 typedef enum 94 { 95 HAL_USART_STATE_RESET = 0x00U, /*!< Peripheral is not initialized */ 96 HAL_USART_STATE_READY = 0x01U, /*!< Peripheral Initialized and ready for use */ 97 HAL_USART_STATE_BUSY = 0x02U, /*!< an internal process is ongoing */ 98 HAL_USART_STATE_BUSY_TX = 0x12U, /*!< Data Transmission process is ongoing */ 99 HAL_USART_STATE_BUSY_RX = 0x22U, /*!< Data Reception process is ongoing */ 100 HAL_USART_STATE_BUSY_TX_RX = 0x32U, /*!< Data Transmission Reception process is ongoing */ 101 HAL_USART_STATE_TIMEOUT = 0x03U, /*!< Timeout state */ 102 HAL_USART_STATE_ERROR = 0x04U /*!< Error */ 103 } HAL_USART_StateTypeDef; 104 105 /** 106 * @brief USART clock sources definitions 107 */ 108 typedef enum 109 { 110 USART_CLOCKSOURCE_PCLK1 = 0x00U, /*!< PCLK1 clock source */ 111 USART_CLOCKSOURCE_HSI = 0x02U, /*!< HSI clock source */ 112 USART_CLOCKSOURCE_SYSCLK = 0x04U, /*!< SYSCLK clock source */ 113 USART_CLOCKSOURCE_LSE = 0x08U, /*!< LSE clock source */ 114 USART_CLOCKSOURCE_UNDEFINED = 0x10U /*!< Undefined clock source */ 115 } USART_ClockSourceTypeDef; 116 117 /** 118 * @brief USART handle Structure definition 119 */ 120 typedef struct __USART_HandleTypeDef 121 { 122 USART_TypeDef *Instance; /*!< USART registers base address */ 123 124 USART_InitTypeDef Init; /*!< USART communication parameters */ 125 126 const uint8_t *pTxBuffPtr; /*!< Pointer to USART Tx transfer Buffer */ 127 128 uint16_t TxXferSize; /*!< USART Tx Transfer size */ 129 130 __IO uint16_t TxXferCount; /*!< USART Tx Transfer Counter */ 131 132 uint8_t *pRxBuffPtr; /*!< Pointer to USART Rx transfer Buffer */ 133 134 uint16_t RxXferSize; /*!< USART Rx Transfer size */ 135 136 __IO uint16_t RxXferCount; /*!< USART Rx Transfer Counter */ 137 138 uint16_t Mask; /*!< USART Rx RDR register mask */ 139 140 uint16_t NbRxDataToProcess; /*!< Number of data to process during RX ISR execution */ 141 142 uint16_t NbTxDataToProcess; /*!< Number of data to process during TX ISR execution */ 143 144 uint32_t SlaveMode; /*!< Enable/Disable UART SPI Slave Mode. This parameter can be a value 145 of @ref USARTEx_Slave_Mode */ 146 147 uint32_t FifoMode; /*!< Specifies if the FIFO mode will be used. This parameter can be a value 148 of @ref USARTEx_FIFO_mode. */ 149 150 void (*RxISR)(struct __USART_HandleTypeDef *husart); /*!< Function pointer on Rx IRQ handler */ 151 152 void (*TxISR)(struct __USART_HandleTypeDef *husart); /*!< Function pointer on Tx IRQ handler */ 153 154 DMA_HandleTypeDef *hdmatx; /*!< USART Tx DMA Handle parameters */ 155 156 DMA_HandleTypeDef *hdmarx; /*!< USART Rx DMA Handle parameters */ 157 158 HAL_LockTypeDef Lock; /*!< Locking object */ 159 160 __IO HAL_USART_StateTypeDef State; /*!< USART communication state */ 161 162 __IO uint32_t ErrorCode; /*!< USART Error code */ 163 164 #if (USE_HAL_USART_REGISTER_CALLBACKS == 1) 165 void (* TxHalfCpltCallback)(struct __USART_HandleTypeDef *husart); /*!< USART Tx Half Complete Callback */ 166 void (* TxCpltCallback)(struct __USART_HandleTypeDef *husart); /*!< USART Tx Complete Callback */ 167 void (* RxHalfCpltCallback)(struct __USART_HandleTypeDef *husart); /*!< USART Rx Half Complete Callback */ 168 void (* RxCpltCallback)(struct __USART_HandleTypeDef *husart); /*!< USART Rx Complete Callback */ 169 void (* TxRxCpltCallback)(struct __USART_HandleTypeDef *husart); /*!< USART Tx Rx Complete Callback */ 170 void (* ErrorCallback)(struct __USART_HandleTypeDef *husart); /*!< USART Error Callback */ 171 void (* AbortCpltCallback)(struct __USART_HandleTypeDef *husart); /*!< USART Abort Complete Callback */ 172 void (* RxFifoFullCallback)(struct __USART_HandleTypeDef *husart); /*!< USART Rx Fifo Full Callback */ 173 void (* TxFifoEmptyCallback)(struct __USART_HandleTypeDef *husart); /*!< USART Tx Fifo Empty Callback */ 174 175 void (* MspInitCallback)(struct __USART_HandleTypeDef *husart); /*!< USART Msp Init callback */ 176 void (* MspDeInitCallback)(struct __USART_HandleTypeDef *husart); /*!< USART Msp DeInit callback */ 177 #endif /* USE_HAL_USART_REGISTER_CALLBACKS */ 178 179 } USART_HandleTypeDef; 180 181 #if (USE_HAL_USART_REGISTER_CALLBACKS == 1) 182 /** 183 * @brief HAL USART Callback ID enumeration definition 184 */ 185 typedef enum 186 { 187 HAL_USART_TX_HALFCOMPLETE_CB_ID = 0x00U, /*!< USART Tx Half Complete Callback ID */ 188 HAL_USART_TX_COMPLETE_CB_ID = 0x01U, /*!< USART Tx Complete Callback ID */ 189 HAL_USART_RX_HALFCOMPLETE_CB_ID = 0x02U, /*!< USART Rx Half Complete Callback ID */ 190 HAL_USART_RX_COMPLETE_CB_ID = 0x03U, /*!< USART Rx Complete Callback ID */ 191 HAL_USART_TX_RX_COMPLETE_CB_ID = 0x04U, /*!< USART Tx Rx Complete Callback ID */ 192 HAL_USART_ERROR_CB_ID = 0x05U, /*!< USART Error Callback ID */ 193 HAL_USART_ABORT_COMPLETE_CB_ID = 0x06U, /*!< USART Abort Complete Callback ID */ 194 HAL_USART_RX_FIFO_FULL_CB_ID = 0x07U, /*!< USART Rx Fifo Full Callback ID */ 195 HAL_USART_TX_FIFO_EMPTY_CB_ID = 0x08U, /*!< USART Tx Fifo Empty Callback ID */ 196 197 HAL_USART_MSPINIT_CB_ID = 0x09U, /*!< USART MspInit callback ID */ 198 HAL_USART_MSPDEINIT_CB_ID = 0x0AU /*!< USART MspDeInit callback ID */ 199 200 } HAL_USART_CallbackIDTypeDef; 201 202 /** 203 * @brief HAL USART Callback pointer definition 204 */ 205 typedef void (*pUSART_CallbackTypeDef)(USART_HandleTypeDef *husart); /*!< pointer to an USART callback function */ 206 207 #endif /* USE_HAL_USART_REGISTER_CALLBACKS */ 208 209 /** 210 * @} 211 */ 212 213 /* Exported constants --------------------------------------------------------*/ 214 /** @defgroup USART_Exported_Constants USART Exported Constants 215 * @{ 216 */ 217 218 /** @defgroup USART_Error_Definition USART Error Definition 219 * @{ 220 */ 221 #define HAL_USART_ERROR_NONE (0x00000000U) /*!< No error */ 222 #define HAL_USART_ERROR_PE (0x00000001U) /*!< Parity error */ 223 #define HAL_USART_ERROR_NE (0x00000002U) /*!< Noise error */ 224 #define HAL_USART_ERROR_FE (0x00000004U) /*!< Frame error */ 225 #define HAL_USART_ERROR_ORE (0x00000008U) /*!< Overrun error */ 226 #define HAL_USART_ERROR_DMA (0x00000010U) /*!< DMA transfer error */ 227 #define HAL_USART_ERROR_UDR (0x00000020U) /*!< SPI slave underrun error */ 228 #if (USE_HAL_USART_REGISTER_CALLBACKS == 1) 229 #define HAL_USART_ERROR_INVALID_CALLBACK (0x00000040U) /*!< Invalid Callback error */ 230 #endif /* USE_HAL_USART_REGISTER_CALLBACKS */ 231 #define HAL_USART_ERROR_RTO (0x00000080U) /*!< Receiver Timeout error */ 232 /** 233 * @} 234 */ 235 236 /** @defgroup USART_Stop_Bits USART Number of Stop Bits 237 * @{ 238 */ 239 #define USART_STOPBITS_0_5 USART_CR2_STOP_0 /*!< USART frame with 0.5 stop bit */ 240 #define USART_STOPBITS_1 0x00000000U /*!< USART frame with 1 stop bit */ 241 #define USART_STOPBITS_1_5 (USART_CR2_STOP_0 | USART_CR2_STOP_1) /*!< USART frame with 1.5 stop bits */ 242 #define USART_STOPBITS_2 USART_CR2_STOP_1 /*!< USART frame with 2 stop bits */ 243 /** 244 * @} 245 */ 246 247 /** @defgroup USART_Parity USART Parity 248 * @{ 249 */ 250 #define USART_PARITY_NONE 0x00000000U /*!< No parity */ 251 #define USART_PARITY_EVEN USART_CR1_PCE /*!< Even parity */ 252 #define USART_PARITY_ODD (USART_CR1_PCE | USART_CR1_PS) /*!< Odd parity */ 253 /** 254 * @} 255 */ 256 257 /** @defgroup USART_Mode USART Mode 258 * @{ 259 */ 260 #define USART_MODE_RX USART_CR1_RE /*!< RX mode */ 261 #define USART_MODE_TX USART_CR1_TE /*!< TX mode */ 262 #define USART_MODE_TX_RX (USART_CR1_TE |USART_CR1_RE) /*!< RX and TX mode */ 263 /** 264 * @} 265 */ 266 267 /** @defgroup USART_Clock USART Clock 268 * @{ 269 */ 270 #define USART_CLOCK_DISABLE 0x00000000U /*!< USART clock disable */ 271 #define USART_CLOCK_ENABLE USART_CR2_CLKEN /*!< USART clock enable */ 272 /** 273 * @} 274 */ 275 276 /** @defgroup USART_Clock_Polarity USART Clock Polarity 277 * @{ 278 */ 279 #define USART_POLARITY_LOW 0x00000000U /*!< Driver enable signal is active high */ 280 #define USART_POLARITY_HIGH USART_CR2_CPOL /*!< Driver enable signal is active low */ 281 /** 282 * @} 283 */ 284 285 /** @defgroup USART_Clock_Phase USART Clock Phase 286 * @{ 287 */ 288 #define USART_PHASE_1EDGE 0x00000000U /*!< USART frame phase on first clock transition */ 289 #define USART_PHASE_2EDGE USART_CR2_CPHA /*!< USART frame phase on second clock transition */ 290 /** 291 * @} 292 */ 293 294 /** @defgroup USART_Last_Bit USART Last Bit 295 * @{ 296 */ 297 #define USART_LASTBIT_DISABLE 0x00000000U /*!< USART frame last data bit clock pulse not output to SCLK pin */ 298 #define USART_LASTBIT_ENABLE USART_CR2_LBCL /*!< USART frame last data bit clock pulse output to SCLK pin */ 299 /** 300 * @} 301 */ 302 303 /** @defgroup USART_ClockPrescaler USART Clock Prescaler 304 * @{ 305 */ 306 #define USART_PRESCALER_DIV1 0x00000000U /*!< fclk_pres = fclk */ 307 #define USART_PRESCALER_DIV2 0x00000001U /*!< fclk_pres = fclk/2 */ 308 #define USART_PRESCALER_DIV4 0x00000002U /*!< fclk_pres = fclk/4 */ 309 #define USART_PRESCALER_DIV6 0x00000003U /*!< fclk_pres = fclk/6 */ 310 #define USART_PRESCALER_DIV8 0x00000004U /*!< fclk_pres = fclk/8 */ 311 #define USART_PRESCALER_DIV10 0x00000005U /*!< fclk_pres = fclk/10 */ 312 #define USART_PRESCALER_DIV12 0x00000006U /*!< fclk_pres = fclk/12 */ 313 #define USART_PRESCALER_DIV16 0x00000007U /*!< fclk_pres = fclk/16 */ 314 #define USART_PRESCALER_DIV32 0x00000008U /*!< fclk_pres = fclk/32 */ 315 #define USART_PRESCALER_DIV64 0x00000009U /*!< fclk_pres = fclk/64 */ 316 #define USART_PRESCALER_DIV128 0x0000000AU /*!< fclk_pres = fclk/128 */ 317 #define USART_PRESCALER_DIV256 0x0000000BU /*!< fclk_pres = fclk/256 */ 318 319 /** 320 * @} 321 */ 322 323 /** @defgroup USART_Request_Parameters USART Request Parameters 324 * @{ 325 */ 326 #define USART_RXDATA_FLUSH_REQUEST USART_RQR_RXFRQ /*!< Receive Data flush Request */ 327 #define USART_TXDATA_FLUSH_REQUEST USART_RQR_TXFRQ /*!< Transmit data flush Request */ 328 /** 329 * @} 330 */ 331 332 /** @defgroup USART_Flags USART Flags 333 * Elements values convention: 0xXXXX 334 * - 0xXXXX : Flag mask in the ISR register 335 * @{ 336 */ 337 #define USART_FLAG_TXFT USART_ISR_TXFT /*!< USART TXFIFO threshold flag */ 338 #define USART_FLAG_RXFT USART_ISR_RXFT /*!< USART RXFIFO threshold flag */ 339 #define USART_FLAG_RXFF USART_ISR_RXFF /*!< USART RXFIFO Full flag */ 340 #define USART_FLAG_TXFE USART_ISR_TXFE /*!< USART TXFIFO Empty flag */ 341 #define USART_FLAG_REACK USART_ISR_REACK /*!< USART receive enable acknowledge flag */ 342 #define USART_FLAG_TEACK USART_ISR_TEACK /*!< USART transmit enable acknowledge flag */ 343 #define USART_FLAG_BUSY USART_ISR_BUSY /*!< USART busy flag */ 344 #define USART_FLAG_UDR USART_ISR_UDR /*!< SPI slave underrun error flag */ 345 #define USART_FLAG_TXE USART_ISR_TXE_TXFNF /*!< USART transmit data register empty */ 346 #define USART_FLAG_TXFNF USART_ISR_TXE_TXFNF /*!< USART TXFIFO not full */ 347 #define USART_FLAG_RTOF USART_ISR_RTOF /*!< USART receiver timeout flag */ 348 #define USART_FLAG_TC USART_ISR_TC /*!< USART transmission complete */ 349 #define USART_FLAG_RXNE USART_ISR_RXNE_RXFNE /*!< USART read data register not empty */ 350 #define USART_FLAG_RXFNE USART_ISR_RXNE_RXFNE /*!< USART RXFIFO not empty */ 351 #define USART_FLAG_IDLE USART_ISR_IDLE /*!< USART idle flag */ 352 #define USART_FLAG_ORE USART_ISR_ORE /*!< USART overrun error */ 353 #define USART_FLAG_NE USART_ISR_NE /*!< USART noise error */ 354 #define USART_FLAG_FE USART_ISR_FE /*!< USART frame error */ 355 #define USART_FLAG_PE USART_ISR_PE /*!< USART parity error */ 356 /** 357 * @} 358 */ 359 360 /** @defgroup USART_Interrupt_definition USART Interrupts Definition 361 * Elements values convention: 0000ZZZZ0XXYYYYYb 362 * - YYYYY : Interrupt source position in the XX register (5bits) 363 * - XX : Interrupt source register (2bits) 364 * - 01: CR1 register 365 * - 10: CR2 register 366 * - 11: CR3 register 367 * - ZZZZ : Flag position in the ISR register(4bits) 368 * @{ 369 */ 370 371 #define USART_IT_PE 0x0028U /*!< USART parity error interruption */ 372 #define USART_IT_TXE 0x0727U /*!< USART transmit data register empty interruption */ 373 #define USART_IT_TXFNF 0x0727U /*!< USART TX FIFO not full interruption */ 374 #define USART_IT_TC 0x0626U /*!< USART transmission complete interruption */ 375 #define USART_IT_RXNE 0x0525U /*!< USART read data register not empty interruption */ 376 #define USART_IT_RXFNE 0x0525U /*!< USART RXFIFO not empty interruption */ 377 #define USART_IT_IDLE 0x0424U /*!< USART idle interruption */ 378 #define USART_IT_ERR 0x0060U /*!< USART error interruption */ 379 #define USART_IT_ORE 0x0300U /*!< USART overrun error interruption */ 380 #define USART_IT_NE 0x0200U /*!< USART noise error interruption */ 381 #define USART_IT_FE 0x0100U /*!< USART frame error interruption */ 382 #define USART_IT_RXFF 0x183FU /*!< USART RXFIFO full interruption */ 383 #define USART_IT_TXFE 0x173EU /*!< USART TXFIFO empty interruption */ 384 #define USART_IT_RXFT 0x1A7CU /*!< USART RXFIFO threshold reached interruption */ 385 #define USART_IT_TXFT 0x1B77U /*!< USART TXFIFO threshold reached interruption */ 386 387 /** 388 * @} 389 */ 390 391 /** @defgroup USART_IT_CLEAR_Flags USART Interruption Clear Flags 392 * @{ 393 */ 394 #define USART_CLEAR_PEF USART_ICR_PECF /*!< Parity Error Clear Flag */ 395 #define USART_CLEAR_FEF USART_ICR_FECF /*!< Framing Error Clear Flag */ 396 #define USART_CLEAR_NEF USART_ICR_NECF /*!< Noise Error detected Clear Flag */ 397 #define USART_CLEAR_OREF USART_ICR_ORECF /*!< OverRun Error Clear Flag */ 398 #define USART_CLEAR_IDLEF USART_ICR_IDLECF /*!< IDLE line detected Clear Flag */ 399 #define USART_CLEAR_TCF USART_ICR_TCCF /*!< Transmission Complete Clear Flag */ 400 #define USART_CLEAR_UDRF USART_ICR_UDRCF /*!< SPI slave underrun error Clear Flag */ 401 #define USART_CLEAR_TXFECF USART_ICR_TXFECF /*!< TXFIFO Empty Clear Flag */ 402 #define USART_CLEAR_RTOF USART_ICR_RTOCF /*!< USART receiver timeout clear flag */ 403 /** 404 * @} 405 */ 406 407 /** @defgroup USART_Interruption_Mask USART Interruption Flags Mask 408 * @{ 409 */ 410 #define USART_IT_MASK 0x001FU /*!< USART interruptions flags mask */ 411 #define USART_CR_MASK 0x00E0U /*!< USART control register mask */ 412 #define USART_CR_POS 5U /*!< USART control register position */ 413 #define USART_ISR_MASK 0x1F00U /*!< USART ISR register mask */ 414 #define USART_ISR_POS 8U /*!< USART ISR register position */ 415 /** 416 * @} 417 */ 418 419 /** 420 * @} 421 */ 422 423 /* Exported macros -----------------------------------------------------------*/ 424 /** @defgroup USART_Exported_Macros USART Exported Macros 425 * @{ 426 */ 427 428 /** @brief Reset USART handle state. 429 * @param __HANDLE__ USART handle. 430 * @retval None 431 */ 432 #if (USE_HAL_USART_REGISTER_CALLBACKS == 1) 433 #define __HAL_USART_RESET_HANDLE_STATE(__HANDLE__) do{ \ 434 (__HANDLE__)->State = HAL_USART_STATE_RESET; \ 435 (__HANDLE__)->MspInitCallback = NULL; \ 436 (__HANDLE__)->MspDeInitCallback = NULL; \ 437 } while(0U) 438 #else 439 #define __HAL_USART_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_USART_STATE_RESET) 440 #endif /* USE_HAL_USART_REGISTER_CALLBACKS */ 441 442 /** @brief Check whether the specified USART flag is set or not. 443 * @param __HANDLE__ specifies the USART Handle 444 * @param __FLAG__ specifies the flag to check. 445 * This parameter can be one of the following values: 446 * @arg @ref USART_FLAG_TXFT TXFIFO threshold flag 447 * @arg @ref USART_FLAG_RXFT RXFIFO threshold flag 448 * @arg @ref USART_FLAG_RXFF RXFIFO Full flag 449 * @arg @ref USART_FLAG_TXFE TXFIFO Empty flag 450 * @arg @ref USART_FLAG_REACK Receive enable acknowledge flag 451 * @arg @ref USART_FLAG_TEACK Transmit enable acknowledge flag 452 * @arg @ref USART_FLAG_BUSY Busy flag 453 * @arg @ref USART_FLAG_UDR SPI slave underrun error flag 454 * @arg @ref USART_FLAG_TXE Transmit data register empty flag 455 * @arg @ref USART_FLAG_TXFNF TXFIFO not full flag 456 * @arg @ref USART_FLAG_TC Transmission Complete flag 457 * @arg @ref USART_FLAG_RXNE Receive data register not empty flag 458 * @arg @ref USART_FLAG_RXFNE RXFIFO not empty flag 459 * @arg @ref USART_FLAG_RTOF Receiver Timeout flag 460 * @arg @ref USART_FLAG_IDLE Idle Line detection flag 461 * @arg @ref USART_FLAG_ORE OverRun Error flag 462 * @arg @ref USART_FLAG_NE Noise Error flag 463 * @arg @ref USART_FLAG_FE Framing Error flag 464 * @arg @ref USART_FLAG_PE Parity Error flag 465 * @retval The new state of __FLAG__ (TRUE or FALSE). 466 */ 467 #define __HAL_USART_GET_FLAG(__HANDLE__, __FLAG__) (((__HANDLE__)->Instance->ISR & (__FLAG__)) == (__FLAG__)) 468 469 /** @brief Clear the specified USART pending flag. 470 * @param __HANDLE__ specifies the USART Handle. 471 * @param __FLAG__ specifies the flag to check. 472 * This parameter can be any combination of the following values: 473 * @arg @ref USART_CLEAR_PEF Parity Error Clear Flag 474 * @arg @ref USART_CLEAR_FEF Framing Error Clear Flag 475 * @arg @ref USART_CLEAR_NEF Noise detected Clear Flag 476 * @arg @ref USART_CLEAR_OREF Overrun Error Clear Flag 477 * @arg @ref USART_CLEAR_IDLEF IDLE line detected Clear Flag 478 * @arg @ref USART_CLEAR_TXFECF TXFIFO empty clear Flag 479 * @arg @ref USART_CLEAR_TCF Transmission Complete Clear Flag 480 * @arg @ref USART_CLEAR_RTOF Receiver Timeout clear flag 481 * @arg @ref USART_CLEAR_UDRF SPI slave underrun error Clear Flag 482 * @retval None 483 */ 484 #define __HAL_USART_CLEAR_FLAG(__HANDLE__, __FLAG__) ((__HANDLE__)->Instance->ICR = (__FLAG__)) 485 486 /** @brief Clear the USART PE pending flag. 487 * @param __HANDLE__ specifies the USART Handle. 488 * @retval None 489 */ 490 #define __HAL_USART_CLEAR_PEFLAG(__HANDLE__) __HAL_USART_CLEAR_FLAG((__HANDLE__), USART_CLEAR_PEF) 491 492 /** @brief Clear the USART FE pending flag. 493 * @param __HANDLE__ specifies the USART Handle. 494 * @retval None 495 */ 496 #define __HAL_USART_CLEAR_FEFLAG(__HANDLE__) __HAL_USART_CLEAR_FLAG((__HANDLE__), USART_CLEAR_FEF) 497 498 /** @brief Clear the USART NE pending flag. 499 * @param __HANDLE__ specifies the USART Handle. 500 * @retval None 501 */ 502 #define __HAL_USART_CLEAR_NEFLAG(__HANDLE__) __HAL_USART_CLEAR_FLAG((__HANDLE__), USART_CLEAR_NEF) 503 504 /** @brief Clear the USART ORE pending flag. 505 * @param __HANDLE__ specifies the USART Handle. 506 * @retval None 507 */ 508 #define __HAL_USART_CLEAR_OREFLAG(__HANDLE__) __HAL_USART_CLEAR_FLAG((__HANDLE__), USART_CLEAR_OREF) 509 510 /** @brief Clear the USART IDLE pending flag. 511 * @param __HANDLE__ specifies the USART Handle. 512 * @retval None 513 */ 514 #define __HAL_USART_CLEAR_IDLEFLAG(__HANDLE__) __HAL_USART_CLEAR_FLAG((__HANDLE__), USART_CLEAR_IDLEF) 515 516 /** @brief Clear the USART TX FIFO empty clear flag. 517 * @param __HANDLE__ specifies the USART Handle. 518 * @retval None 519 */ 520 #define __HAL_USART_CLEAR_TXFECF(__HANDLE__) __HAL_USART_CLEAR_FLAG((__HANDLE__), USART_CLEAR_TXFECF) 521 522 /** @brief Clear SPI slave underrun error flag. 523 * @param __HANDLE__ specifies the USART Handle. 524 * @retval None 525 */ 526 #define __HAL_USART_CLEAR_UDRFLAG(__HANDLE__) __HAL_USART_CLEAR_FLAG((__HANDLE__), USART_CLEAR_UDRF) 527 528 /** @brief Enable the specified USART interrupt. 529 * @param __HANDLE__ specifies the USART Handle. 530 * @param __INTERRUPT__ specifies the USART interrupt source to enable. 531 * This parameter can be one of the following values: 532 * @arg @ref USART_IT_RXFF RXFIFO Full interrupt 533 * @arg @ref USART_IT_TXFE TXFIFO Empty interrupt 534 * @arg @ref USART_IT_RXFT RXFIFO threshold interrupt 535 * @arg @ref USART_IT_TXFT TXFIFO threshold interrupt 536 * @arg @ref USART_IT_TXE Transmit Data Register empty interrupt 537 * @arg @ref USART_IT_TXFNF TX FIFO not full interrupt 538 * @arg @ref USART_IT_TC Transmission complete interrupt 539 * @arg @ref USART_IT_RXNE Receive Data register not empty interrupt 540 * @arg @ref USART_IT_RXFNE RXFIFO not empty interrupt 541 * @arg @ref USART_IT_IDLE Idle line detection interrupt 542 * @arg @ref USART_IT_PE Parity Error interrupt 543 * @arg @ref USART_IT_ERR Error interrupt(Frame error, noise error, overrun error) 544 * @retval None 545 */ 546 #define __HAL_USART_ENABLE_IT(__HANDLE__, __INTERRUPT__)\ 547 (((((__INTERRUPT__) & USART_CR_MASK) >> USART_CR_POS) == 1U)?\ 548 ((__HANDLE__)->Instance->CR1 |= (1U << ((__INTERRUPT__) & USART_IT_MASK))): \ 549 ((((__INTERRUPT__) & USART_CR_MASK) >> USART_CR_POS) == 2U)?\ 550 ((__HANDLE__)->Instance->CR2 |= (1U << ((__INTERRUPT__) & USART_IT_MASK))): \ 551 ((__HANDLE__)->Instance->CR3 |= (1U << ((__INTERRUPT__) & USART_IT_MASK)))) 552 553 /** @brief Disable the specified USART interrupt. 554 * @param __HANDLE__ specifies the USART Handle. 555 * @param __INTERRUPT__ specifies the USART interrupt source to disable. 556 * This parameter can be one of the following values: 557 * @arg @ref USART_IT_RXFF RXFIFO Full interrupt 558 * @arg @ref USART_IT_TXFE TXFIFO Empty interrupt 559 * @arg @ref USART_IT_RXFT RXFIFO threshold interrupt 560 * @arg @ref USART_IT_TXFT TXFIFO threshold interrupt 561 * @arg @ref USART_IT_TXE Transmit Data Register empty interrupt 562 * @arg @ref USART_IT_TXFNF TX FIFO not full interrupt 563 * @arg @ref USART_IT_TC Transmission complete interrupt 564 * @arg @ref USART_IT_RXNE Receive Data register not empty interrupt 565 * @arg @ref USART_IT_RXFNE RXFIFO not empty interrupt 566 * @arg @ref USART_IT_IDLE Idle line detection interrupt 567 * @arg @ref USART_IT_PE Parity Error interrupt 568 * @arg @ref USART_IT_ERR Error interrupt(Frame error, noise error, overrun error) 569 * @retval None 570 */ 571 #define __HAL_USART_DISABLE_IT(__HANDLE__, __INTERRUPT__)\ 572 (((((__INTERRUPT__) & USART_CR_MASK) >> USART_CR_POS) == 1U)?\ 573 ((__HANDLE__)->Instance->CR1 &= ~ (1U << ((__INTERRUPT__) & USART_IT_MASK))): \ 574 ((((__INTERRUPT__) & USART_CR_MASK) >> USART_CR_POS) == 2U)?\ 575 ((__HANDLE__)->Instance->CR2 &= ~ (1U << ((__INTERRUPT__) & USART_IT_MASK))): \ 576 ((__HANDLE__)->Instance->CR3 &= ~ (1U << ((__INTERRUPT__) & USART_IT_MASK)))) 577 578 /** @brief Check whether the specified USART interrupt has occurred or not. 579 * @param __HANDLE__ specifies the USART Handle. 580 * @param __INTERRUPT__ specifies the USART interrupt source to check. 581 * This parameter can be one of the following values: 582 * @arg @ref USART_IT_RXFF RXFIFO Full interrupt 583 * @arg @ref USART_IT_TXFE TXFIFO Empty interrupt 584 * @arg @ref USART_IT_RXFT RXFIFO threshold interrupt 585 * @arg @ref USART_IT_TXFT TXFIFO threshold interrupt 586 * @arg @ref USART_IT_TXE Transmit Data Register empty interrupt 587 * @arg @ref USART_IT_TXFNF TX FIFO not full interrupt 588 * @arg @ref USART_IT_TC Transmission complete interrupt 589 * @arg @ref USART_IT_RXNE Receive Data register not empty interrupt 590 * @arg @ref USART_IT_RXFNE RXFIFO not empty interrupt 591 * @arg @ref USART_IT_IDLE Idle line detection interrupt 592 * @arg @ref USART_IT_ORE OverRun Error interrupt 593 * @arg @ref USART_IT_NE Noise Error interrupt 594 * @arg @ref USART_IT_FE Framing Error interrupt 595 * @arg @ref USART_IT_PE Parity Error interrupt 596 * @retval The new state of __INTERRUPT__ (SET or RESET). 597 */ 598 #define __HAL_USART_GET_IT(__HANDLE__, __INTERRUPT__) ((((__HANDLE__)->Instance->ISR\ 599 & (0x01U << (((__INTERRUPT__) & USART_ISR_MASK)>>\ 600 USART_ISR_POS))) != 0U) ? SET : RESET) 601 602 /** @brief Check whether the specified USART interrupt source is enabled or not. 603 * @param __HANDLE__ specifies the USART Handle. 604 * @param __INTERRUPT__ specifies the USART interrupt source to check. 605 * This parameter can be one of the following values: 606 * @arg @ref USART_IT_RXFF RXFIFO Full interrupt 607 * @arg @ref USART_IT_TXFE TXFIFO Empty interrupt 608 * @arg @ref USART_IT_RXFT RXFIFO threshold interrupt 609 * @arg @ref USART_IT_TXFT TXFIFO threshold interrupt 610 * @arg @ref USART_IT_TXE Transmit Data Register empty interrupt 611 * @arg @ref USART_IT_TXFNF TX FIFO not full interrupt 612 * @arg @ref USART_IT_TC Transmission complete interrupt 613 * @arg @ref USART_IT_RXNE Receive Data register not empty interrupt 614 * @arg @ref USART_IT_RXFNE RXFIFO not empty interrupt 615 * @arg @ref USART_IT_IDLE Idle line detection interrupt 616 * @arg @ref USART_IT_ORE OverRun Error interrupt 617 * @arg @ref USART_IT_NE Noise Error interrupt 618 * @arg @ref USART_IT_FE Framing Error interrupt 619 * @arg @ref USART_IT_PE Parity Error interrupt 620 * @retval The new state of __INTERRUPT__ (SET or RESET). 621 */ 622 #define __HAL_USART_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__) ((((((((uint8_t)(__INTERRUPT__)) >> 0x05U) == 0x01U) ?\ 623 (__HANDLE__)->Instance->CR1 : \ 624 (((((uint8_t)(__INTERRUPT__)) >> 0x05U) == 0x02U) ?\ 625 (__HANDLE__)->Instance->CR2 : \ 626 (__HANDLE__)->Instance->CR3)) & (0x01U <<\ 627 (((uint16_t)(__INTERRUPT__)) &\ 628 USART_IT_MASK))) != 0U) ? SET : RESET) 629 630 /** @brief Clear the specified USART ISR flag, in setting the proper ICR register flag. 631 * @param __HANDLE__ specifies the USART Handle. 632 * @param __IT_CLEAR__ specifies the interrupt clear register flag that needs to be set 633 * to clear the corresponding interrupt. 634 * This parameter can be one of the following values: 635 * @arg @ref USART_CLEAR_PEF Parity Error Clear Flag 636 * @arg @ref USART_CLEAR_FEF Framing Error Clear Flag 637 * @arg @ref USART_CLEAR_NEF Noise detected Clear Flag 638 * @arg @ref USART_CLEAR_OREF Overrun Error Clear Flag 639 * @arg @ref USART_CLEAR_IDLEF IDLE line detected Clear Flag 640 * @arg @ref USART_CLEAR_RTOF Receiver timeout clear flag 641 * @arg @ref USART_CLEAR_TXFECF TXFIFO empty clear Flag 642 * @arg @ref USART_CLEAR_TCF Transmission Complete Clear Flag 643 * @retval None 644 */ 645 #define __HAL_USART_CLEAR_IT(__HANDLE__, __IT_CLEAR__) ((__HANDLE__)->Instance->ICR = (uint32_t)(__IT_CLEAR__)) 646 647 /** @brief Set a specific USART request flag. 648 * @param __HANDLE__ specifies the USART Handle. 649 * @param __REQ__ specifies the request flag to set. 650 * This parameter can be one of the following values: 651 * @arg @ref USART_RXDATA_FLUSH_REQUEST Receive Data flush Request 652 * @arg @ref USART_TXDATA_FLUSH_REQUEST Transmit data flush Request 653 * 654 * @retval None 655 */ 656 #define __HAL_USART_SEND_REQ(__HANDLE__, __REQ__) ((__HANDLE__)->Instance->RQR |= (uint16_t)(__REQ__)) 657 658 /** @brief Enable the USART one bit sample method. 659 * @param __HANDLE__ specifies the USART Handle. 660 * @retval None 661 */ 662 #define __HAL_USART_ONE_BIT_SAMPLE_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR3|= USART_CR3_ONEBIT) 663 664 /** @brief Disable the USART one bit sample method. 665 * @param __HANDLE__ specifies the USART Handle. 666 * @retval None 667 */ 668 #define __HAL_USART_ONE_BIT_SAMPLE_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR3 &= ~USART_CR3_ONEBIT) 669 670 /** @brief Enable USART. 671 * @param __HANDLE__ specifies the USART Handle. 672 * @retval None 673 */ 674 #define __HAL_USART_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR1 |= USART_CR1_UE) 675 676 /** @brief Disable USART. 677 * @param __HANDLE__ specifies the USART Handle. 678 * @retval None 679 */ 680 #define __HAL_USART_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR1 &= ~USART_CR1_UE) 681 682 /** 683 * @} 684 */ 685 686 /* Private macros --------------------------------------------------------*/ 687 /** @defgroup USART_Private_Macros USART Private Macros 688 * @{ 689 */ 690 691 /** @brief Get USART clock division factor from clock prescaler value. 692 * @param __CLOCKPRESCALER__ USART prescaler value. 693 * @retval USART clock division factor 694 */ 695 #define USART_GET_DIV_FACTOR(__CLOCKPRESCALER__) \ 696 (((__CLOCKPRESCALER__) == USART_PRESCALER_DIV1) ? 1U : \ 697 ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV2) ? 2U : \ 698 ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV4) ? 4U : \ 699 ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV6) ? 6U : \ 700 ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV8) ? 8U : \ 701 ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV10) ? 10U : \ 702 ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV12) ? 12U : \ 703 ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV16) ? 16U : \ 704 ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV32) ? 32U : \ 705 ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV64) ? 64U : \ 706 ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV128) ? 128U : \ 707 ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV256) ? 256U : 1U) 708 709 /** @brief BRR division operation to set BRR register in 8-bit oversampling mode. 710 * @param __PCLK__ USART clock. 711 * @param __BAUD__ Baud rate set by the user. 712 * @param __CLOCKPRESCALER__ USART prescaler value. 713 * @retval Division result 714 */ 715 #define USART_DIV_SAMPLING8(__PCLK__, __BAUD__, __CLOCKPRESCALER__)\ 716 (((((__PCLK__)/USART_GET_DIV_FACTOR(__CLOCKPRESCALER__))*2U)\ 717 + ((__BAUD__)/2U)) / (__BAUD__)) 718 719 /** @brief Check USART Baud rate. 720 * @param __BAUDRATE__ Baudrate specified by the user. 721 * The maximum Baud Rate is derived from the maximum clock on G0 (i.e. 64 MHz) 722 * divided by the smallest oversampling used on the USART (i.e. 8) 723 * @retval SET (__BAUDRATE__ is valid) or RESET (__BAUDRATE__ is invalid) */ 724 #define IS_USART_BAUDRATE(__BAUDRATE__) ((__BAUDRATE__) <= 8000000U) 725 726 /** 727 * @brief Ensure that USART frame number of stop bits is valid. 728 * @param __STOPBITS__ USART frame number of stop bits. 729 * @retval SET (__STOPBITS__ is valid) or RESET (__STOPBITS__ is invalid) 730 */ 731 #define IS_USART_STOPBITS(__STOPBITS__) (((__STOPBITS__) == USART_STOPBITS_0_5) || \ 732 ((__STOPBITS__) == USART_STOPBITS_1) || \ 733 ((__STOPBITS__) == USART_STOPBITS_1_5) || \ 734 ((__STOPBITS__) == USART_STOPBITS_2)) 735 736 /** 737 * @brief Ensure that USART frame parity is valid. 738 * @param __PARITY__ USART frame parity. 739 * @retval SET (__PARITY__ is valid) or RESET (__PARITY__ is invalid) 740 */ 741 #define IS_USART_PARITY(__PARITY__) (((__PARITY__) == USART_PARITY_NONE) || \ 742 ((__PARITY__) == USART_PARITY_EVEN) || \ 743 ((__PARITY__) == USART_PARITY_ODD)) 744 745 /** 746 * @brief Ensure that USART communication mode is valid. 747 * @param __MODE__ USART communication mode. 748 * @retval SET (__MODE__ is valid) or RESET (__MODE__ is invalid) 749 */ 750 #define IS_USART_MODE(__MODE__) ((((__MODE__) & 0xFFFFFFF3U) == 0x00U) && ((__MODE__) != 0x00U)) 751 752 /** 753 * @brief Ensure that USART clock state is valid. 754 * @param __CLOCK__ USART clock state. 755 * @retval SET (__CLOCK__ is valid) or RESET (__CLOCK__ is invalid) 756 */ 757 #define IS_USART_CLOCK(__CLOCK__) (((__CLOCK__) == USART_CLOCK_DISABLE) || \ 758 ((__CLOCK__) == USART_CLOCK_ENABLE)) 759 760 /** 761 * @brief Ensure that USART frame polarity is valid. 762 * @param __CPOL__ USART frame polarity. 763 * @retval SET (__CPOL__ is valid) or RESET (__CPOL__ is invalid) 764 */ 765 #define IS_USART_POLARITY(__CPOL__) (((__CPOL__) == USART_POLARITY_LOW) || ((__CPOL__) == USART_POLARITY_HIGH)) 766 767 /** 768 * @brief Ensure that USART frame phase is valid. 769 * @param __CPHA__ USART frame phase. 770 * @retval SET (__CPHA__ is valid) or RESET (__CPHA__ is invalid) 771 */ 772 #define IS_USART_PHASE(__CPHA__) (((__CPHA__) == USART_PHASE_1EDGE) || ((__CPHA__) == USART_PHASE_2EDGE)) 773 774 /** 775 * @brief Ensure that USART frame last bit clock pulse setting is valid. 776 * @param __LASTBIT__ USART frame last bit clock pulse setting. 777 * @retval SET (__LASTBIT__ is valid) or RESET (__LASTBIT__ is invalid) 778 */ 779 #define IS_USART_LASTBIT(__LASTBIT__) (((__LASTBIT__) == USART_LASTBIT_DISABLE) || \ 780 ((__LASTBIT__) == USART_LASTBIT_ENABLE)) 781 782 /** 783 * @brief Ensure that USART request parameter is valid. 784 * @param __PARAM__ USART request parameter. 785 * @retval SET (__PARAM__ is valid) or RESET (__PARAM__ is invalid) 786 */ 787 #define IS_USART_REQUEST_PARAMETER(__PARAM__) (((__PARAM__) == USART_RXDATA_FLUSH_REQUEST) || \ 788 ((__PARAM__) == USART_TXDATA_FLUSH_REQUEST)) 789 790 /** 791 * @brief Ensure that USART Prescaler is valid. 792 * @param __CLOCKPRESCALER__ USART Prescaler value. 793 * @retval SET (__CLOCKPRESCALER__ is valid) or RESET (__CLOCKPRESCALER__ is invalid) 794 */ 795 #define IS_USART_PRESCALER(__CLOCKPRESCALER__) (((__CLOCKPRESCALER__) == USART_PRESCALER_DIV1) || \ 796 ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV2) || \ 797 ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV4) || \ 798 ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV6) || \ 799 ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV8) || \ 800 ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV10) || \ 801 ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV12) || \ 802 ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV16) || \ 803 ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV32) || \ 804 ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV64) || \ 805 ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV128) || \ 806 ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV256)) 807 808 /** 809 * @} 810 */ 811 812 /* Include USART HAL Extended module */ 813 #include "stm32g0xx_hal_usart_ex.h" 814 815 /* Exported functions --------------------------------------------------------*/ 816 /** @addtogroup USART_Exported_Functions USART Exported Functions 817 * @{ 818 */ 819 820 /** @addtogroup USART_Exported_Functions_Group1 Initialization and de-initialization functions 821 * @{ 822 */ 823 824 /* Initialization and de-initialization functions ****************************/ 825 HAL_StatusTypeDef HAL_USART_Init(USART_HandleTypeDef *husart); 826 HAL_StatusTypeDef HAL_USART_DeInit(USART_HandleTypeDef *husart); 827 void HAL_USART_MspInit(USART_HandleTypeDef *husart); 828 void HAL_USART_MspDeInit(USART_HandleTypeDef *husart); 829 830 /* Callbacks Register/UnRegister functions ***********************************/ 831 #if (USE_HAL_USART_REGISTER_CALLBACKS == 1) 832 HAL_StatusTypeDef HAL_USART_RegisterCallback(USART_HandleTypeDef *husart, HAL_USART_CallbackIDTypeDef CallbackID, 833 pUSART_CallbackTypeDef pCallback); 834 HAL_StatusTypeDef HAL_USART_UnRegisterCallback(USART_HandleTypeDef *husart, HAL_USART_CallbackIDTypeDef CallbackID); 835 #endif /* USE_HAL_USART_REGISTER_CALLBACKS */ 836 837 /** 838 * @} 839 */ 840 841 /** @addtogroup USART_Exported_Functions_Group2 IO operation functions 842 * @{ 843 */ 844 845 /* IO operation functions *****************************************************/ 846 HAL_StatusTypeDef HAL_USART_Transmit(USART_HandleTypeDef *husart, const uint8_t *pTxData, uint16_t Size, 847 uint32_t Timeout); 848 HAL_StatusTypeDef HAL_USART_Receive(USART_HandleTypeDef *husart, uint8_t *pRxData, uint16_t Size, uint32_t Timeout); 849 HAL_StatusTypeDef HAL_USART_TransmitReceive(USART_HandleTypeDef *husart, const uint8_t *pTxData, uint8_t *pRxData, 850 uint16_t Size, uint32_t Timeout); 851 HAL_StatusTypeDef HAL_USART_Transmit_IT(USART_HandleTypeDef *husart, const uint8_t *pTxData, uint16_t Size); 852 HAL_StatusTypeDef HAL_USART_Receive_IT(USART_HandleTypeDef *husart, uint8_t *pRxData, uint16_t Size); 853 HAL_StatusTypeDef HAL_USART_TransmitReceive_IT(USART_HandleTypeDef *husart, const uint8_t *pTxData, uint8_t *pRxData, 854 uint16_t Size); 855 HAL_StatusTypeDef HAL_USART_Transmit_DMA(USART_HandleTypeDef *husart, const uint8_t *pTxData, uint16_t Size); 856 HAL_StatusTypeDef HAL_USART_Receive_DMA(USART_HandleTypeDef *husart, uint8_t *pRxData, uint16_t Size); 857 HAL_StatusTypeDef HAL_USART_TransmitReceive_DMA(USART_HandleTypeDef *husart, const uint8_t *pTxData, uint8_t *pRxData, 858 uint16_t Size); 859 HAL_StatusTypeDef HAL_USART_DMAPause(USART_HandleTypeDef *husart); 860 HAL_StatusTypeDef HAL_USART_DMAResume(USART_HandleTypeDef *husart); 861 HAL_StatusTypeDef HAL_USART_DMAStop(USART_HandleTypeDef *husart); 862 /* Transfer Abort functions */ 863 HAL_StatusTypeDef HAL_USART_Abort(USART_HandleTypeDef *husart); 864 HAL_StatusTypeDef HAL_USART_Abort_IT(USART_HandleTypeDef *husart); 865 866 void HAL_USART_IRQHandler(USART_HandleTypeDef *husart); 867 void HAL_USART_TxHalfCpltCallback(USART_HandleTypeDef *husart); 868 void HAL_USART_TxCpltCallback(USART_HandleTypeDef *husart); 869 void HAL_USART_RxCpltCallback(USART_HandleTypeDef *husart); 870 void HAL_USART_RxHalfCpltCallback(USART_HandleTypeDef *husart); 871 void HAL_USART_TxRxCpltCallback(USART_HandleTypeDef *husart); 872 void HAL_USART_ErrorCallback(USART_HandleTypeDef *husart); 873 void HAL_USART_AbortCpltCallback(USART_HandleTypeDef *husart); 874 875 /** 876 * @} 877 */ 878 879 /** @addtogroup USART_Exported_Functions_Group4 Peripheral State and Error functions 880 * @{ 881 */ 882 883 /* Peripheral State and Error functions ***************************************/ 884 HAL_USART_StateTypeDef HAL_USART_GetState(const USART_HandleTypeDef *husart); 885 uint32_t HAL_USART_GetError(const USART_HandleTypeDef *husart); 886 887 /** 888 * @} 889 */ 890 891 /** 892 * @} 893 */ 894 895 /** 896 * @} 897 */ 898 899 /** 900 * @} 901 */ 902 903 #ifdef __cplusplus 904 } 905 #endif 906 907 #endif /* STM32G0xx_HAL_USART_H */ 908 909
