stm32f1xx_hal_usart.h 26.5 KB
Newer Older
Sebastian Renner committed
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593
/**
  ******************************************************************************
  * @file    stm32f1xx_hal_usart.h
  * @author  MCD Application Team
  * @brief   Header file of USART HAL module.
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
  *
  * Redistribution and use in source and binary forms, with or without modification,
  * are permitted provided that the following conditions are met:
  *   1. Redistributions of source code must retain the above copyright notice,
  *      this list of conditions and the following disclaimer.
  *   2. Redistributions in binary form must reproduce the above copyright notice,
  *      this list of conditions and the following disclaimer in the documentation
  *      and/or other materials provided with the distribution.
  *   3. Neither the name of STMicroelectronics nor the names of its contributors
  *      may be used to endorse or promote products derived from this software
  *      without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
  ******************************************************************************
  */

/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __STM32F1xx_HAL_USART_H
#define __STM32F1xx_HAL_USART_H

#ifdef __cplusplus
 extern "C" {
#endif

/* Includes ------------------------------------------------------------------*/
#include "stm32f1xx_hal_def.h"

/** @addtogroup STM32F1xx_HAL_Driver
  * @{
  */

/** @addtogroup USART
  * @{
  */

/* Exported types ------------------------------------------------------------*/ 
/** @defgroup USART_Exported_Types USART Exported Types
  * @{
  */

/**
  * @brief USART Init Structure definition
  */
typedef struct
{
  uint32_t BaudRate;                  /*!< This member configures the Usart communication baud rate.
                                           The baud rate is computed using the following formula:
                                           - IntegerDivider = ((PCLKx) / (16 * (husart->Init.BaudRate)))
                                           - FractionalDivider = ((IntegerDivider - ((uint32_t) IntegerDivider)) * 16) + 0.5 */

  uint32_t WordLength;                /*!< Specifies the number of data bits transmitted or received in a frame.
                                           This parameter can be a value of @ref USART_Word_Length */

  uint32_t StopBits;                  /*!< Specifies the number of stop bits transmitted.
                                           This parameter can be a value of @ref USART_Stop_Bits */

  uint32_t Parity;                    /*!< Specifies the parity mode.
                                           This parameter can be a value of @ref USART_Parity
                                           @note When parity is enabled, the computed parity is inserted
                                                 at the MSB position of the transmitted data (9th bit when
                                                 the word length is set to 9 data bits; 8th bit when the
                                                 word length is set to 8 data bits). */

  uint32_t Mode;                      /*!< Specifies whether the Receive or Transmit mode is enabled or disabled.
                                           This parameter can be a value of @ref USART_Mode */

  uint32_t CLKPolarity;               /*!< Specifies the steady state of the serial clock.
                                           This parameter can be a value of @ref USART_Clock_Polarity */

  uint32_t CLKPhase;                  /*!< Specifies the clock transition on which the bit capture is made.
                                           This parameter can be a value of @ref USART_Clock_Phase */

  uint32_t CLKLastBit;                /*!< Specifies whether the clock pulse corresponding to the last transmitted
                                           data bit (MSB) has to be output on the SCLK pin in synchronous mode.
                                           This parameter can be a value of @ref USART_Last_Bit */
}USART_InitTypeDef;

/** 
  * @brief HAL State structures definition
  */ 
typedef enum
{
  HAL_USART_STATE_RESET             = 0x00U,    /*!< Peripheral is not yet initialized   */
  HAL_USART_STATE_READY             = 0x01U,    /*!< Peripheral Initialized and ready for use */
  HAL_USART_STATE_BUSY              = 0x02U,    /*!< an internal process is ongoing */   
  HAL_USART_STATE_BUSY_TX           = 0x12U,    /*!< Data Transmission process is ongoing */ 
  HAL_USART_STATE_BUSY_RX           = 0x22U,    /*!< Data Reception process is ongoing */
  HAL_USART_STATE_BUSY_TX_RX        = 0x32U,    /*!< Data Transmission Reception process is ongoing */
  HAL_USART_STATE_TIMEOUT           = 0x03U,    /*!< Timeout state */
  HAL_USART_STATE_ERROR             = 0x04U     /*!< Error */
}HAL_USART_StateTypeDef;

/** 
  * @brief  USART handle Structure definition  
  */  
typedef struct
{
  USART_TypeDef                 *Instance;        /*!< USART registers base address        */

  USART_InitTypeDef             Init;             /*!< Usart communication parameters      */

  uint8_t                       *pTxBuffPtr;      /*!< Pointer to Usart Tx transfer Buffer */

  uint16_t                      TxXferSize;       /*!< Usart Tx Transfer size              */

  __IO uint16_t                 TxXferCount;      /*!< Usart Tx Transfer Counter           */

  uint8_t                       *pRxBuffPtr;      /*!< Pointer to Usart Rx transfer Buffer */

  uint16_t                      RxXferSize;       /*!< Usart Rx Transfer size              */

  __IO uint16_t                 RxXferCount;      /*!< Usart Rx Transfer Counter           */

  DMA_HandleTypeDef             *hdmatx;          /*!< Usart Tx DMA Handle parameters      */

  DMA_HandleTypeDef             *hdmarx;          /*!< Usart Rx DMA Handle parameters      */

  HAL_LockTypeDef               Lock;             /*!< Locking object                      */
  
  __IO HAL_USART_StateTypeDef   State;            /*!< Usart communication state           */
  
  __IO uint32_t                 ErrorCode;        /*!< USART Error code                    */
}USART_HandleTypeDef;
/**
  * @}
  */

/* Exported constants --------------------------------------------------------*/
/** @defgroup USART_Exported_Constants USART Exported Constants
  * @{
  */

/** @defgroup USART_Error_Code USART Error Code
  * @brief    USART Error Code
  * @{
  */
#define HAL_USART_ERROR_NONE         0x00000000U   /*!< No error            */
#define HAL_USART_ERROR_PE           0x00000001U   /*!< Parity error        */
#define HAL_USART_ERROR_NE           0x00000002U   /*!< Noise error         */
#define HAL_USART_ERROR_FE           0x00000004U   /*!< Frame error         */
#define HAL_USART_ERROR_ORE          0x00000008U   /*!< Overrun error       */
#define HAL_USART_ERROR_DMA          0x00000010U   /*!< DMA transfer error  */
/**
  * @}
  */

/** @defgroup USART_Word_Length USART Word Length
  * @{
  */
#define USART_WORDLENGTH_8B                  0x00000000U
#define USART_WORDLENGTH_9B                  ((uint32_t)USART_CR1_M)
/**
  * @}
  */

/** @defgroup USART_Stop_Bits USART Number of Stop Bits
  * @{
  */
#define USART_STOPBITS_1                     0x00000000U
#define USART_STOPBITS_0_5                   ((uint32_t)USART_CR2_STOP_0)
#define USART_STOPBITS_2                     ((uint32_t)USART_CR2_STOP_1)
#define USART_STOPBITS_1_5                   ((uint32_t)(USART_CR2_STOP_0 | USART_CR2_STOP_1))
/**
  * @}
  */ 

/** @defgroup USART_Parity USART Parity
  * @{
  */ 
#define USART_PARITY_NONE                    0x00000000U
#define USART_PARITY_EVEN                    ((uint32_t)USART_CR1_PCE)
#define USART_PARITY_ODD                     ((uint32_t)(USART_CR1_PCE | USART_CR1_PS))
/**
  * @}
  */ 

/** @defgroup USART_Mode USART Mode
  * @{
  */ 
#define USART_MODE_RX                        ((uint32_t)USART_CR1_RE)
#define USART_MODE_TX                        ((uint32_t)USART_CR1_TE)
#define USART_MODE_TX_RX                     ((uint32_t)(USART_CR1_TE |USART_CR1_RE))
/**
  * @}
  */
    
/** @defgroup USART_Clock USART Clock
  * @{
  */ 
#define USART_CLOCK_DISABLE                 0x00000000U
#define USART_CLOCK_ENABLE                  ((uint32_t)USART_CR2_CLKEN)
/**
  * @}
  */ 

/** @defgroup USART_Clock_Polarity USART Clock Polarity
  * @{
  */
#define USART_POLARITY_LOW                   0x00000000U
#define USART_POLARITY_HIGH                  ((uint32_t)USART_CR2_CPOL)
/**
  * @}
  */ 

/** @defgroup USART_Clock_Phase USART Clock Phase
  * @{
  */
#define USART_PHASE_1EDGE                    0x00000000U
#define USART_PHASE_2EDGE                    ((uint32_t)USART_CR2_CPHA)
/**
  * @}
  */

/** @defgroup USART_Last_Bit USART Last Bit
  * @{
  */
#define USART_LASTBIT_DISABLE                0x00000000U
#define USART_LASTBIT_ENABLE                 ((uint32_t)USART_CR2_LBCL)
/**
  * @}
  */

/** @defgroup USART_NACK_State USART NACK State
  * @{
  */
#define USART_NACK_ENABLE           ((uint32_t)USART_CR3_NACK)
#define USART_NACK_DISABLE          0x00000000U
/**
  * @}
  */

/** @defgroup USART_Flags USART Flags
  *        Elements values convention: 0xXXXX
  *           - 0xXXXX  : Flag mask in the SR register
  * @{
  */
#define USART_FLAG_TXE                  ((uint32_t)USART_SR_TXE)
#define USART_FLAG_TC                   ((uint32_t)USART_SR_TC)
#define USART_FLAG_RXNE                 ((uint32_t)USART_SR_RXNE)
#define USART_FLAG_IDLE                 ((uint32_t)USART_SR_IDLE)
#define USART_FLAG_ORE                  ((uint32_t)USART_SR_ORE)
#define USART_FLAG_NE                   ((uint32_t)USART_SR_NE)
#define USART_FLAG_FE                   ((uint32_t)USART_SR_FE)
#define USART_FLAG_PE                   ((uint32_t)USART_SR_PE)
/**
  * @}
  */

/** @defgroup USART_Interrupt_definition USART Interrupts Definition
  *        Elements values convention: 0xY000XXXX
  *           - XXXX  : Interrupt mask in the XX register
  *           - Y  : Interrupt source register (2bits)
  *                 - 01: CR1 register
  *                 - 10: CR2 register
  *                 - 11: CR3 register
  *
  * @{
  */

#define USART_IT_PE                     ((uint32_t)(USART_CR1_REG_INDEX << 28U | USART_CR1_PEIE))
#define USART_IT_TXE                    ((uint32_t)(USART_CR1_REG_INDEX << 28U | USART_CR1_TXEIE))
#define USART_IT_TC                     ((uint32_t)(USART_CR1_REG_INDEX << 28U | USART_CR1_TCIE))
#define USART_IT_RXNE                   ((uint32_t)(USART_CR1_REG_INDEX << 28U | USART_CR1_RXNEIE))
#define USART_IT_IDLE                   ((uint32_t)(USART_CR1_REG_INDEX << 28U | USART_CR1_IDLEIE))

#define USART_IT_LBD                    ((uint32_t)(USART_CR2_REG_INDEX << 28U | USART_CR2_LBDIE))

#define USART_IT_CTS                    ((uint32_t)(USART_CR3_REG_INDEX << 28U | USART_CR3_CTSIE))
#define USART_IT_ERR                    ((uint32_t)(USART_CR3_REG_INDEX << 28U | USART_CR3_EIE))
/**
  * @}
  */

/**
  * @}
  */

/* Exported macro ------------------------------------------------------------*/
/** @defgroup USART_Exported_Macros USART Exported Macros
  * @{
  */

/** @brief Reset USART handle state
  * @param  __HANDLE__: specifies the USART Handle.
  *         USART Handle selects the USARTx peripheral (USART availability and x value depending on device).
  */
#define __HAL_USART_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_USART_STATE_RESET)

/** @brief  Checks whether the specified USART flag is set or not.
  * @param  __HANDLE__: specifies the USART Handle.
  *         USART Handle selects the USARTx peripheral (USART availability and x value depending on device).
  * @param  __FLAG__: specifies the flag to check.
  *        This parameter can be one of the following values:
  *            @arg USART_FLAG_TXE:  Transmit data register empty flag
  *            @arg USART_FLAG_TC:   Transmission Complete flag
  *            @arg USART_FLAG_RXNE: Receive data register not empty flag
  *            @arg USART_FLAG_IDLE: Idle Line detection flag
  *            @arg USART_FLAG_ORE:  OverRun Error flag
  *            @arg USART_FLAG_NE:   Noise Error flag
  *            @arg USART_FLAG_FE:   Framing Error flag
  *            @arg USART_FLAG_PE:   Parity Error flag
  * @retval The new state of __FLAG__ (TRUE or FALSE).
  */
#define __HAL_USART_GET_FLAG(__HANDLE__, __FLAG__) (((__HANDLE__)->Instance->SR & (__FLAG__)) == (__FLAG__))

/** @brief  Clears the specified USART pending flags.
  * @param  __HANDLE__: specifies the USART Handle.
  *         USART Handle selects the USARTx peripheral (USART availability and x value depending on device).
  * @param  __FLAG__: specifies the flag to check.
  *          This parameter can be any combination of the following values:
  *            @arg USART_FLAG_TC:   Transmission Complete flag.
  *            @arg USART_FLAG_RXNE: Receive data register not empty flag.
  *   
  * @note   PE (Parity error), FE (Framing error), NE (Noise error), ORE (OverRun
  *          error) and IDLE (Idle line detected) flags are cleared by software
  *          sequence: a read operation to USART_SR register followed by a read
  *          operation to USART_DR register.
  * @note   RXNE flag can be also cleared by a read to the USART_DR register.
  * @note   TC flag can be also cleared by software sequence: a read operation to
  *          USART_SR register followed by a write operation to USART_DR register
  * @note   TXE flag is cleared only by a write to the USART_DR register
  *   
  */
#define __HAL_USART_CLEAR_FLAG(__HANDLE__, __FLAG__) ((__HANDLE__)->Instance->SR = ~(__FLAG__))

/** @brief  Clear the USART PE pending flag.
  * @param  __HANDLE__: specifies the USART Handle.
  *         USART Handle selects the USARTx peripheral (USART availability and x value depending on device).
  */
#define __HAL_USART_CLEAR_PEFLAG(__HANDLE__)    \
  do{                                           \
    __IO uint32_t tmpreg = 0x00U;               \
    tmpreg = (__HANDLE__)->Instance->SR;        \
    tmpreg = (__HANDLE__)->Instance->DR;        \
    UNUSED(tmpreg);                             \
  } while(0U)

/** @brief  Clear the USART FE pending flag.
  * @param  __HANDLE__: specifies the USART Handle.
  *         USART Handle selects the USARTx peripheral (USART availability and x value depending on device).
  */
#define __HAL_USART_CLEAR_FEFLAG(__HANDLE__) __HAL_USART_CLEAR_PEFLAG(__HANDLE__)

/** @brief  Clear the USART NE pending flag.
  * @param  __HANDLE__: specifies the USART Handle.
  *         USART Handle selects the USARTx peripheral (USART availability and x value depending on device).
  */
#define __HAL_USART_CLEAR_NEFLAG(__HANDLE__) __HAL_USART_CLEAR_PEFLAG(__HANDLE__)

/** @brief  Clear the USART ORE pending flag.
  * @param  __HANDLE__: specifies the USART Handle.
  *         USART Handle selects the USARTx peripheral (USART availability and x value depending on device).

  */
#define __HAL_USART_CLEAR_OREFLAG(__HANDLE__) __HAL_USART_CLEAR_PEFLAG(__HANDLE__)

/** @brief  Clear the USART IDLE pending flag.
  * @param  __HANDLE__: specifies the USART Handle.
  *         USART Handle selects the USARTx peripheral (USART availability and x value depending on device).
  */
#define __HAL_USART_CLEAR_IDLEFLAG(__HANDLE__) __HAL_USART_CLEAR_PEFLAG(__HANDLE__)

/** @brief  Enable the specified USART interrupts.
  * @param  __HANDLE__: specifies the USART Handle.
  *         USART Handle selects the USARTx peripheral (USART availability and x value depending on device).
  * @param  __INTERRUPT__: specifies the USART interrupt source to enable.
  *          This parameter can be one of the following values:
  *            @arg USART_IT_TXE:  Transmit Data Register empty interrupt
  *            @arg USART_IT_TC:   Transmission complete interrupt
  *            @arg USART_IT_RXNE: Receive Data register not empty interrupt
  *            @arg USART_IT_IDLE: Idle line detection interrupt
  *            @arg USART_IT_PE:   Parity Error interrupt
  *            @arg USART_IT_ERR:  Error interrupt(Frame error, noise error, overrun error)
  *          This parameter can be: ENABLE or DISABLE.
  */
#define __HAL_USART_ENABLE_IT(__HANDLE__, __INTERRUPT__)   ((((__INTERRUPT__) >> 28U) == USART_CR1_REG_INDEX)? ((__HANDLE__)->Instance->CR1 |= ((__INTERRUPT__) & USART_IT_MASK)): \
                                                            (((__INTERRUPT__) >> 28U) == USART_CR2_REG_INDEX)? ((__HANDLE__)->Instance->CR2 |=  ((__INTERRUPT__) & USART_IT_MASK)): \
                                                            ((__HANDLE__)->Instance->CR3 |= ((__INTERRUPT__) & USART_IT_MASK)))

/** @brief  Disable the specified USART interrupts.
  * @param  __HANDLE__: specifies the USART Handle.
  *         USART Handle selects the USARTx peripheral (USART availability and x value depending on device).
  * @param  __INTERRUPT__: specifies the USART interrupt source to disable.
  *          This parameter can be one of the following values:
  *            @arg USART_IT_TXE:  Transmit Data Register empty interrupt
  *            @arg USART_IT_TC:   Transmission complete interrupt
  *            @arg USART_IT_RXNE: Receive Data register not empty interrupt
  *            @arg USART_IT_IDLE: Idle line detection interrupt
  *            @arg USART_IT_PE:   Parity Error interrupt
  *            @arg USART_IT_ERR:  Error interrupt(Frame error, noise error, overrun error)
  *          This parameter can be: ENABLE or DISABLE.
  */
#define __HAL_USART_DISABLE_IT(__HANDLE__, __INTERRUPT__)  ((((__INTERRUPT__) >> 28U) == USART_CR1_REG_INDEX)? ((__HANDLE__)->Instance->CR1 &= ~((__INTERRUPT__) & USART_IT_MASK)): \
                                                            (((__INTERRUPT__) >> 28U) == USART_CR2_REG_INDEX)? ((__HANDLE__)->Instance->CR2 &= ~((__INTERRUPT__) & USART_IT_MASK)): \
                                                             ((__HANDLE__)->Instance->CR3 &= ~ ((__INTERRUPT__) & USART_IT_MASK)))

/** @brief  Checks whether the specified USART interrupt has occurred or not.
  * @param  __HANDLE__: specifies the USART Handle.
  *         USART Handle selects the USARTx peripheral (USART availability and x value depending on device).
  * @param  __IT__: specifies the USART interrupt source to check.
  *          This parameter can be one of the following values:
  *            @arg USART_IT_TXE: Transmit Data Register empty interrupt
  *            @arg USART_IT_TC:  Transmission complete interrupt
  *            @arg USART_IT_RXNE: Receive Data register not empty interrupt
  *            @arg USART_IT_IDLE: Idle line detection interrupt
  *            @arg USART_IT_ERR: Error interrupt
  *            @arg USART_IT_PE: Parity Error interrupt
  * @retval The new state of __IT__ (TRUE or FALSE).
  */
#define __HAL_USART_GET_IT_SOURCE(__HANDLE__, __IT__) (((((__IT__) >> 28U) == USART_CR1_REG_INDEX)? (__HANDLE__)->Instance->CR1:(((((uint32_t)(__IT__)) >> 28U) == USART_CR2_REG_INDEX)? \
                                                      (__HANDLE__)->Instance->CR2 : (__HANDLE__)->Instance->CR3)) & (((uint32_t)(__IT__)) & USART_IT_MASK))

/** @brief  Enable USART
  * @param  __HANDLE__: specifies the USART Handle.
  *         USART Handle selects the USARTx peripheral (USART availability and x value depending on device).
  */
#define __HAL_USART_ENABLE(__HANDLE__)               SET_BIT((__HANDLE__)->Instance->CR1,(USART_CR1_UE)) 

/** @brief  Disable USART
  * @param  __HANDLE__: specifies the USART Handle.
  *         USART Handle selects the USARTx peripheral (USART availability and x value depending on device).
  */ 
#define __HAL_USART_DISABLE(__HANDLE__)              CLEAR_BIT((__HANDLE__)->Instance->CR1,(USART_CR1_UE)) 
/**
  * @}
  */
/* Exported functions --------------------------------------------------------*/
/** @addtogroup USART_Exported_Functions
  * @{
  */

/** @addtogroup USART_Exported_Functions_Group1
  * @{
  */
/* Initialization/de-initialization functions  **********************************/
HAL_StatusTypeDef HAL_USART_Init(USART_HandleTypeDef *husart);
HAL_StatusTypeDef HAL_USART_DeInit(USART_HandleTypeDef *husart);
void HAL_USART_MspInit(USART_HandleTypeDef *husart);
void HAL_USART_MspDeInit(USART_HandleTypeDef *husart);
/**
  * @}
  */

/** @addtogroup USART_Exported_Functions_Group2
  * @{
  */
/* IO operation functions *******************************************************/
HAL_StatusTypeDef HAL_USART_Transmit(USART_HandleTypeDef *husart, uint8_t *pTxData, uint16_t Size, uint32_t Timeout);
HAL_StatusTypeDef HAL_USART_Receive(USART_HandleTypeDef *husart, uint8_t *pRxData, uint16_t Size, uint32_t Timeout);
HAL_StatusTypeDef HAL_USART_TransmitReceive(USART_HandleTypeDef *husart, uint8_t *pTxData, uint8_t *pRxData, uint16_t Size, uint32_t Timeout);
HAL_StatusTypeDef HAL_USART_Transmit_IT(USART_HandleTypeDef *husart, uint8_t *pTxData, uint16_t Size);
HAL_StatusTypeDef HAL_USART_Receive_IT(USART_HandleTypeDef *husart, uint8_t *pRxData, uint16_t Size);
HAL_StatusTypeDef HAL_USART_TransmitReceive_IT(USART_HandleTypeDef *husart, uint8_t *pTxData, uint8_t *pRxData,  uint16_t Size);
HAL_StatusTypeDef HAL_USART_Transmit_DMA(USART_HandleTypeDef *husart, uint8_t *pTxData, uint16_t Size);
HAL_StatusTypeDef HAL_USART_Receive_DMA(USART_HandleTypeDef *husart, uint8_t *pRxData, uint16_t Size);
HAL_StatusTypeDef HAL_USART_TransmitReceive_DMA(USART_HandleTypeDef *husart, uint8_t *pTxData, uint8_t *pRxData, uint16_t Size);
HAL_StatusTypeDef HAL_USART_DMAPause(USART_HandleTypeDef *husart);
HAL_StatusTypeDef HAL_USART_DMAResume(USART_HandleTypeDef *husart);
HAL_StatusTypeDef HAL_USART_DMAStop(USART_HandleTypeDef *husart);
/* Transfer Abort functions */
HAL_StatusTypeDef HAL_USART_Abort(USART_HandleTypeDef *husart);
HAL_StatusTypeDef HAL_USART_Abort_IT(USART_HandleTypeDef *husart);

void HAL_USART_IRQHandler(USART_HandleTypeDef *husart);
void HAL_USART_TxCpltCallback(USART_HandleTypeDef *husart);
void HAL_USART_TxHalfCpltCallback(USART_HandleTypeDef *husart);
void HAL_USART_RxCpltCallback(USART_HandleTypeDef *husart);
void HAL_USART_RxHalfCpltCallback(USART_HandleTypeDef *husart);
void HAL_USART_TxRxCpltCallback(USART_HandleTypeDef *husart);
void HAL_USART_ErrorCallback(USART_HandleTypeDef *husart);
void HAL_USART_AbortCpltCallback (USART_HandleTypeDef *husart);
/**
  * @}
  */

/** @addtogroup USART_Exported_Functions_Group3
  * @{
  */
/* Peripheral State functions  ************************************************/
HAL_USART_StateTypeDef HAL_USART_GetState(USART_HandleTypeDef *husart);
uint32_t               HAL_USART_GetError(USART_HandleTypeDef *husart);
/**
  * @}
  */ 

/**
  * @}
  */
/* Private types -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Private constants ---------------------------------------------------------*/
/** @defgroup USART_Private_Constants USART Private Constants
  * @{
  */
/** @brief USART interruptions flag mask
  * 
  */
#define USART_IT_MASK                   0x0000FFFFU

#define USART_CR1_REG_INDEX             1U
#define USART_CR2_REG_INDEX             2U
#define USART_CR3_REG_INDEX             3U
/**
  * @}
  */

/* Private macros ------------------------------------------------------------*/
/** @defgroup USART_Private_Macros USART Private Macros
  * @{
  */
#define IS_USART_NACK_STATE(NACK) (((NACK) == USART_NACK_ENABLE) || \
                                   ((NACK) == USART_NACK_DISABLE))

#define IS_USART_LASTBIT(LASTBIT) (((LASTBIT) == USART_LASTBIT_DISABLE) || \
                                   ((LASTBIT) == USART_LASTBIT_ENABLE))

#define IS_USART_PHASE(CPHA) (((CPHA) == USART_PHASE_1EDGE) || ((CPHA) == USART_PHASE_2EDGE))

#define IS_USART_POLARITY(CPOL) (((CPOL) == USART_POLARITY_LOW) || ((CPOL) == USART_POLARITY_HIGH))

#define IS_USART_CLOCK(CLOCK) (((CLOCK) == USART_CLOCK_DISABLE) || \
                               ((CLOCK) == USART_CLOCK_ENABLE))

#define IS_USART_WORD_LENGTH(LENGTH) (((LENGTH) == USART_WORDLENGTH_8B) || \
                                      ((LENGTH) == USART_WORDLENGTH_9B))

#define IS_USART_STOPBITS(STOPBITS) (((STOPBITS) == USART_STOPBITS_1)   || \
                                     ((STOPBITS) == USART_STOPBITS_0_5) || \
                                     ((STOPBITS) == USART_STOPBITS_1_5) || \
                                     ((STOPBITS) == USART_STOPBITS_2))

#define IS_USART_PARITY(PARITY) (((PARITY) == USART_PARITY_NONE) || \
                                 ((PARITY) == USART_PARITY_EVEN) || \
                                 ((PARITY) == USART_PARITY_ODD))

#define IS_USART_MODE(MODE) ((((MODE) & 0xFFF3U) == 0x00U) && ((MODE) != 0x00U))

#define IS_USART_BAUDRATE(BAUDRATE) ((BAUDRATE) < 4500001U)

#define USART_DIV(_PCLK_, _BAUD_) (((_PCLK_)*25U)/(2U*(_BAUD_)))

#define USART_DIVMANT(_PCLK_, _BAUD_) (USART_DIV((_PCLK_), (_BAUD_))/100U)

#define USART_DIVFRAQ(_PCLK_, _BAUD_) (((USART_DIV((_PCLK_), (_BAUD_)) - (USART_DIVMANT((_PCLK_), (_BAUD_)) * 100U)) * 16U + 50U) / 100U)

#define USART_BRR(_PCLK_, _BAUD_) ((USART_DIVMANT((_PCLK_), (_BAUD_)) << 4U)|(USART_DIVFRAQ((_PCLK_), (_BAUD_)) & 0x0FU))
/**
  * @}
  */

/* Private functions ---------------------------------------------------------*/
/** @defgroup USART_Private_Functions USART Private Functions
  * @{
  */

/**
  * @}
  */

/**
  * @}
  */ 

/**
  * @}
  */

#ifdef __cplusplus
}
#endif

#endif /* __STM32F1xx_HAL_USART_H */

/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/