2 ******************************************************************************
3 * @file stm32f1xx_hal_usart.h
4 * @author MCD Application Team
6 * @date 15-December-2014
7 * @brief Header file of USART HAL module.
8 ******************************************************************************
11 * <h2><center>© COPYRIGHT(c) 2014 STMicroelectronics</center></h2>
13 * Redistribution and use in source and binary forms, with or without modification,
14 * are permitted provided that the following conditions are met:
15 * 1. Redistributions of source code must retain the above copyright notice,
16 * this list of conditions and the following disclaimer.
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18 * this list of conditions and the following disclaimer in the documentation
19 * and/or other materials provided with the distribution.
20 * 3. Neither the name of STMicroelectronics nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
27 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
35 ******************************************************************************
38 /* Define to prevent recursive inclusion -------------------------------------*/
39 #ifndef __STM32F1xx_HAL_USART_H
40 #define __STM32F1xx_HAL_USART_H
46 /* Includes ------------------------------------------------------------------*/
47 #include "stm32f1xx_hal_def.h"
49 /** @addtogroup STM32F1xx_HAL_Driver
57 /* Exported types ------------------------------------------------------------*/
58 /** @defgroup USART_Exported_Types USART Exported Types
64 * @brief USART Init Structure definition
68 uint32_t BaudRate; /*!< This member configures the Usart communication baud rate.
69 The baud rate is computed using the following formula:
70 - IntegerDivider = ((PCLKx) / (16 * (husart->Init.BaudRate)))
71 - FractionalDivider = ((IntegerDivider - ((uint32_t) IntegerDivider)) * 16) + 0.5 */
73 uint32_t WordLength; /*!< Specifies the number of data bits transmitted or received in a frame.
74 This parameter can be a value of @ref USART_Word_Length */
76 uint32_t StopBits; /*!< Specifies the number of stop bits transmitted.
77 This parameter can be a value of @ref USART_Stop_Bits */
79 uint32_t Parity; /*!< Specifies the parity mode.
80 This parameter can be a value of @ref USART_Parity
81 @note When parity is enabled, the computed parity is inserted
82 at the MSB position of the transmitted data (9th bit when
83 the word length is set to 9 data bits; 8th bit when the
84 word length is set to 8 data bits). */
86 uint32_t Mode; /*!< Specifies wether the Receive or Transmit mode is enabled or disabled.
87 This parameter can be a value of @ref USART_Mode */
89 uint32_t CLKPolarity; /*!< Specifies the steady state of the serial clock.
90 This parameter can be a value of @ref USART_Clock_Polarity */
92 uint32_t CLKPhase; /*!< Specifies the clock transition on which the bit capture is made.
93 This parameter can be a value of @ref USART_Clock_Phase */
95 uint32_t CLKLastBit; /*!< Specifies whether the clock pulse corresponding to the last transmitted
96 data bit (MSB) has to be output on the SCLK pin in synchronous mode.
97 This parameter can be a value of @ref USART_Last_Bit */
101 * @brief HAL State structures definition
105 HAL_USART_STATE_RESET = 0x00, /*!< Peripheral is not initialized */
106 HAL_USART_STATE_READY = 0x01, /*!< Peripheral Initialized and ready for use */
107 HAL_USART_STATE_BUSY = 0x02, /*!< an internal process is ongoing */
108 HAL_USART_STATE_BUSY_TX = 0x12, /*!< Data Transmission process is ongoing */
109 HAL_USART_STATE_BUSY_RX = 0x22, /*!< Data Reception process is ongoing */
110 HAL_USART_STATE_BUSY_TX_RX = 0x32, /*!< Data Transmission Reception process is ongoing */
111 HAL_USART_STATE_TIMEOUT = 0x03, /*!< Timeout state */
112 HAL_USART_STATE_ERROR = 0x04 /*!< Error */
113 }HAL_USART_StateTypeDef;
117 * @brief USART handle Structure definition
121 USART_TypeDef *Instance; /*!< USART registers base address */
123 USART_InitTypeDef Init; /*!< Usart communication parameters */
125 uint8_t *pTxBuffPtr; /*!< Pointer to Usart Tx transfer Buffer */
127 uint16_t TxXferSize; /*!< Usart Tx Transfer size */
129 __IO uint16_t TxXferCount; /*!< Usart Tx Transfer Counter */
131 uint8_t *pRxBuffPtr; /*!< Pointer to Usart Rx transfer Buffer */
133 uint16_t RxXferSize; /*!< Usart Rx Transfer size */
135 __IO uint16_t RxXferCount; /*!< Usart Rx Transfer Counter */
137 DMA_HandleTypeDef *hdmatx; /*!< Usart Tx DMA Handle parameters */
139 DMA_HandleTypeDef *hdmarx; /*!< Usart Rx DMA Handle parameters */
141 HAL_LockTypeDef Lock; /*!< Locking object */
143 __IO HAL_USART_StateTypeDef State; /*!< Usart communication state */
145 __IO uint32_t ErrorCode; /*!< USART Error code */
147 }USART_HandleTypeDef;
153 /* Exported constants --------------------------------------------------------*/
154 /** @defgroup USART_Exported_Constants USART Exported constants
158 /** @defgroup USART_Error_Codes USART Error Codes
161 #define HAL_USART_ERROR_NONE ((uint32_t)0x00) /*!< No error */
162 #define HAL_USART_ERROR_PE ((uint32_t)0x01) /*!< Parity error */
163 #define HAL_USART_ERROR_NE ((uint32_t)0x02) /*!< Noise error */
164 #define HAL_USART_ERROR_FE ((uint32_t)0x04) /*!< frame error */
165 #define HAL_USART_ERROR_ORE ((uint32_t)0x08) /*!< Overrun error */
166 #define HAL_USART_ERROR_DMA ((uint32_t)0x10) /*!< DMA transfer error */
171 /** @defgroup USART_Word_Length USART Word Length
174 #define USART_WORDLENGTH_8B ((uint32_t)0x00000000)
175 #define USART_WORDLENGTH_9B ((uint32_t)USART_CR1_M)
180 /** @defgroup USART_Stop_Bits USART Number of Stop Bits
183 #define USART_STOPBITS_1 ((uint32_t)0x00000000)
184 #define USART_STOPBITS_0_5 ((uint32_t)USART_CR2_STOP_0)
185 #define USART_STOPBITS_2 ((uint32_t)USART_CR2_STOP_1)
186 #define USART_STOPBITS_1_5 ((uint32_t)(USART_CR2_STOP_0 | USART_CR2_STOP_1))
191 /** @defgroup USART_Parity USART Parity
194 #define USART_PARITY_NONE ((uint32_t)0x00000000)
195 #define USART_PARITY_EVEN ((uint32_t)USART_CR1_PCE)
196 #define USART_PARITY_ODD ((uint32_t)(USART_CR1_PCE | USART_CR1_PS))
201 /** @defgroup USART_Mode USART Mode
204 #define USART_MODE_RX ((uint32_t)USART_CR1_RE)
205 #define USART_MODE_TX ((uint32_t)USART_CR1_TE)
206 #define USART_MODE_TX_RX ((uint32_t)(USART_CR1_TE |USART_CR1_RE))
212 /** @defgroup USART_Clock USART Clock
215 #define USART_CLOCK_DISABLE ((uint32_t)0x00000000)
216 #define USART_CLOCK_ENABLE ((uint32_t)USART_CR2_CLKEN)
221 /** @defgroup USART_Clock_Polarity USART Clock Polarity
224 #define USART_POLARITY_LOW ((uint32_t)0x00000000)
225 #define USART_POLARITY_HIGH ((uint32_t)USART_CR2_CPOL)
230 /** @defgroup USART_Clock_Phase USART Clock Phase
233 #define USART_PHASE_1EDGE ((uint32_t)0x00000000)
234 #define USART_PHASE_2EDGE ((uint32_t)USART_CR2_CPHA)
239 /** @defgroup USART_Last_Bit USART Last Bit
242 #define USART_LASTBIT_DISABLE ((uint32_t)0x00000000)
243 #define USART_LASTBIT_ENABLE ((uint32_t)USART_CR2_LBCL)
248 /** @defgroup USART_NACK_State USART NACK State
251 #define USART_NACK_ENABLE ((uint32_t)USART_CR3_NACK)
252 #define USART_NACK_DISABLE ((uint32_t)0x00000000)
257 /** @defgroup USART_Flags USART Flags
258 * Elements values convention: 0xXXXX
259 * - 0xXXXX : Flag mask in the SR register
263 #define USART_FLAG_CTS ((uint32_t)USART_SR_CTS)
264 #define USART_FLAG_LBD ((uint32_t)USART_SR_LBD)
265 #define USART_FLAG_TXE ((uint32_t)USART_SR_TXE)
266 #define USART_FLAG_TC ((uint32_t)USART_SR_TC)
267 #define USART_FLAG_RXNE ((uint32_t)USART_SR_RXNE)
268 #define USART_FLAG_IDLE ((uint32_t)USART_SR_IDLE)
269 #define USART_FLAG_ORE ((uint32_t)USART_SR_ORE)
270 #define USART_FLAG_NE ((uint32_t)USART_SR_NE)
271 #define USART_FLAG_FE ((uint32_t)USART_SR_FE)
272 #define USART_FLAG_PE ((uint32_t)USART_SR_PE)
277 /** @defgroup USART_Interrupt_definition USART Interrupts Definition
278 * Elements values convention: 0xY000XXXX
279 * - XXXX : Interrupt mask (16 bits) in the Y register
280 * - Y : Interrupt source register (4bits)
281 * - 0001: CR1 register
282 * - 0010: CR2 register
283 * - 0011: CR3 register
288 #define USART_IT_PE ((uint32_t)(USART_CR1_REG_INDEX << 28 | USART_CR1_PEIE))
289 #define USART_IT_TXE ((uint32_t)(USART_CR1_REG_INDEX << 28 | USART_CR1_TXEIE))
290 #define USART_IT_TC ((uint32_t)(USART_CR1_REG_INDEX << 28 | USART_CR1_TCIE))
291 #define USART_IT_RXNE ((uint32_t)(USART_CR1_REG_INDEX << 28 | USART_CR1_RXNEIE))
292 #define USART_IT_IDLE ((uint32_t)(USART_CR1_REG_INDEX << 28 | USART_CR1_IDLEIE))
294 #define USART_IT_LBD ((uint32_t)(USART_CR2_REG_INDEX << 28 | USART_CR2_LBDIE))
296 #define USART_IT_CTS ((uint32_t)(USART_CR3_REG_INDEX << 28 | USART_CR3_CTSIE))
297 #define USART_IT_ERR ((uint32_t)(USART_CR3_REG_INDEX << 28 | USART_CR3_EIE))
309 /* Exported macro ------------------------------------------------------------*/
310 /** @defgroup USART_Exported_Macros USART Exported Macros
315 /** @brief Reset USART handle state
316 * @param __HANDLE__: specifies the USART Handle.
317 * USART Handle selects the USARTx peripheral (USART availability and x value depending on device).
320 #define __HAL_USART_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_USART_STATE_RESET)
322 /** @brief Check whether the specified USART flag is set or not.
323 * @param __HANDLE__: specifies the USART Handle.
324 * USART Handle selects the USARTx peripheral (USART availability and x value depending on device).
325 * @param __FLAG__: specifies the flag to check.
326 * This parameter can be one of the following values:
327 * @arg USART_FLAG_TXE: Transmit data register empty flag
328 * @arg USART_FLAG_TC: Transmission Complete flag
329 * @arg USART_FLAG_RXNE: Receive data register not empty flag
330 * @arg USART_FLAG_IDLE: Idle Line detection flag
331 * @arg USART_FLAG_ORE: OverRun Error flag
332 * @arg USART_FLAG_NE: Noise Error flag
333 * @arg USART_FLAG_FE: Framing Error flag
334 * @arg USART_FLAG_PE: Parity Error flag
335 * @retval The new state of __FLAG__ (TRUE or FALSE).
338 #define __HAL_USART_GET_FLAG(__HANDLE__, __FLAG__) (((__HANDLE__)->Instance->SR & (__FLAG__)) == (__FLAG__))
340 /** @brief Clear the specified USART pending flags.
341 * @param __HANDLE__: specifies the USART Handle.
342 * USART Handle selects the USARTx peripheral (USART availability and x value depending on device).
343 * @param __FLAG__: specifies the flag to check.
344 * This parameter can be any combination of the following values:
345 * @arg USART_FLAG_TC: Transmission Complete flag.
346 * @arg USART_FLAG_RXNE: Receive data register not empty flag.
348 * @note PE (Parity error), FE (Framing error), NE (Noise error), ORE (OverRun
349 * error) and IDLE (Idle line detected) flags are cleared by software
350 * sequence: a read operation to USART_SR register followed by a read
351 * operation to USART_DR register.
352 * @note RXNE flag can be also cleared by a read to the USART_DR register.
353 * @note TC flag can be also cleared by software sequence: a read operation to
354 * USART_SR register followed by a write operation to USART_DR register.
355 * @note TXE flag is cleared only by a write to the USART_DR register.
359 #define __HAL_USART_CLEAR_FLAG(__HANDLE__, __FLAG__) ((__HANDLE__)->Instance->SR = ~(__FLAG__))
361 /** @brief Clear the USART PE pending flag.
362 * @param __HANDLE__: specifies the USART Handle.
363 * USART Handle selects the USARTx peripheral (USART availability and x value depending on device).
366 #define __HAL_USART_CLEAR_PEFLAG(__HANDLE__) \
368 __IO uint32_t tmpreg; \
369 tmpreg = (__HANDLE__)->Instance->SR; \
370 tmpreg = (__HANDLE__)->Instance->DR; \
375 /** @brief Clear the USART FE pending flag.
376 * @param __HANDLE__: specifies the USART Handle.
377 * USART Handle selects the USARTx peripheral (USART availability and x value depending on device).
380 #define __HAL_USART_CLEAR_FEFLAG(__HANDLE__) __HAL_USART_CLEAR_PEFLAG(__HANDLE__)
382 /** @brief Clear the USART NE pending flag.
383 * @param __HANDLE__: specifies the USART Handle.
384 * USART Handle selects the USARTx peripheral (USART availability and x value depending on device).
387 #define __HAL_USART_CLEAR_NEFLAG(__HANDLE__) __HAL_USART_CLEAR_PEFLAG(__HANDLE__)
389 /** @brief Clear the USART ORE pending flag.
390 * @param __HANDLE__: specifies the USART Handle.
391 * USART Handle selects the USARTx peripheral (USART availability and x value depending on device).
394 #define __HAL_USART_CLEAR_OREFLAG(__HANDLE__) __HAL_USART_CLEAR_PEFLAG(__HANDLE__)
396 /** @brief Clear the USART IDLE pending flag.
397 * @param __HANDLE__: specifies the USART Handle.
398 * USART Handle selects the USARTx peripheral (USART availability and x value depending on device).
401 #define __HAL_USART_CLEAR_IDLEFLAG(__HANDLE__) __HAL_USART_CLEAR_PEFLAG(__HANDLE__)
403 /** @brief Enable the specified Usart interrupts.
404 * @param __HANDLE__: specifies the USART Handle.
405 * USART Handle selects the USARTx peripheral (USART availability and x value depending on device).
406 * @param __INTERRUPT__: specifies the USART interrupt source to enable.
407 * This parameter can be one of the following values:
408 * @arg USART_IT_TXE: Transmit Data Register empty interrupt
409 * @arg USART_IT_TC: Transmission complete interrupt
410 * @arg USART_IT_RXNE: Receive Data register not empty interrupt
411 * @arg USART_IT_IDLE: Idle line detection interrupt
412 * @arg USART_IT_PE: Parity Error interrupt
413 * @arg USART_IT_ERR: Error interrupt(Frame error, noise error, overrun error)
416 #define __HAL_USART_ENABLE_IT(__HANDLE__, __INTERRUPT__) ((((__INTERRUPT__) >> 28) == USART_CR1_REG_INDEX)? ((__HANDLE__)->Instance->CR1 |= ((__INTERRUPT__) & USART_IT_MASK)): \
417 (((__INTERRUPT__) >> 28) == USART_CR2_REG_INDEX)? ((__HANDLE__)->Instance->CR2 |= ((__INTERRUPT__) & USART_IT_MASK)): \
418 ((__HANDLE__)->Instance->CR3 |= ((__INTERRUPT__) & USART_IT_MASK)))
421 /** @brief Disable the specified Usart interrupts.
422 * @param __HANDLE__: specifies the USART Handle.
423 * USART Handle selects the USARTx peripheral (USART availability and x value depending on device).
424 * @param __INTERRUPT__: specifies the USART interrupt source to disable.
425 * This parameter can be one of the following values:
426 * @arg USART_IT_TXE: Transmit Data Register empty interrupt
427 * @arg USART_IT_TC: Transmission complete interrupt
428 * @arg USART_IT_RXNE: Receive Data register not empty interrupt
429 * @arg USART_IT_IDLE: Idle line detection interrupt
430 * @arg USART_IT_PE: Parity Error interrupt
431 * @arg USART_IT_ERR: Error interrupt(Frame error, noise error, overrun error)
434 #define __HAL_USART_DISABLE_IT(__HANDLE__, __INTERRUPT__) ((((__INTERRUPT__) >> 28) == USART_CR1_REG_INDEX)? ((__HANDLE__)->Instance->CR1 &= ~((__INTERRUPT__) & USART_IT_MASK)): \
435 (((__INTERRUPT__) >> 28) == USART_CR2_REG_INDEX)? ((__HANDLE__)->Instance->CR2 &= ~((__INTERRUPT__) & USART_IT_MASK)): \
436 ((__HANDLE__)->Instance->CR3 &= ~ ((__INTERRUPT__) & USART_IT_MASK)))
440 /** @brief Check whether the specified Usart interrupt has occurred or not.
441 * @param __HANDLE__: specifies the USART Handle.
442 * USART Handle selects the USARTx peripheral (USART availability and x value depending on device).
443 * @param __IT__: specifies the USART interrupt source to check.
444 * This parameter can be one of the following values:
445 * @arg USART_IT_TXE: Transmit Data Register empty interrupt
446 * @arg USART_IT_TC: Transmission complete interrupt
447 * @arg USART_IT_RXNE: Receive Data register not empty interrupt
448 * @arg USART_IT_IDLE: Idle line detection interrupt
449 * @arg USART_IT_ERR: Error interrupt
450 * @arg USART_IT_PE: Parity Error interrupt
451 * @retval The new state of __IT__ (TRUE or FALSE).
453 #define __HAL_USART_GET_IT_SOURCE(__HANDLE__, __IT__) (((((__IT__) >> 28) == USART_CR1_REG_INDEX)? (__HANDLE__)->Instance->CR1:(((((uint32_t)(__IT__)) >> 28) == USART_CR2_REG_INDEX)? \
454 (__HANDLE__)->Instance->CR2 : (__HANDLE__)->Instance->CR3)) & (((uint32_t)(__IT__)) & USART_IT_MASK))
456 /** @brief Enable USART
457 * @param __HANDLE__: specifies the USART Handle.
458 * USART Handle selects the USARTx peripheral (USART availability and x value depending on device).
461 #define __HAL_USART_ENABLE(__HANDLE__) SET_BIT((__HANDLE__)->Instance->CR1,(USART_CR1_UE))
463 /** @brief Disable USART
464 * @param __HANDLE__: specifies the USART Handle.
465 * USART Handle selects the USARTx peripheral (USART availability and x value depending on device).
468 #define __HAL_USART_DISABLE(__HANDLE__) CLEAR_BIT((__HANDLE__)->Instance->CR1,(USART_CR1_UE))
476 /* Private macros --------------------------------------------------------*/
477 /** @defgroup USART_Private_Macros USART Private Macros
481 #define USART_CR1_REG_INDEX 1
482 #define USART_CR2_REG_INDEX 2
483 #define USART_CR3_REG_INDEX 3
485 #define USART_DIV(__PCLK__, __BAUD__) (((__PCLK__)*25)/(4*(__BAUD__)))
486 #define USART_DIVMANT(__PCLK__, __BAUD__) (USART_DIV((__PCLK__), (__BAUD__))/100)
487 #define USART_DIVFRAQ(__PCLK__, __BAUD__) (((USART_DIV((__PCLK__), (__BAUD__)) - (USART_DIVMANT((__PCLK__), (__BAUD__)) * 100)) * 16 + 50) / 100)
488 #define USART_BRR(__PCLK__, __BAUD__) ((USART_DIVMANT((__PCLK__), (__BAUD__)) << 4)|(USART_DIVFRAQ((__PCLK__), (__BAUD__)) & 0x0F))
490 /** Check USART Baud rate
491 * __BAUDRATE__: Baudrate specified by the user
492 * The maximum Baud Rate is derived from the maximum clock on APB (i.e. 72 MHz)
493 * divided by the smallest oversampling used on the USART (i.e. 16)
494 * return : TRUE or FALSE
496 #define IS_USART_BAUDRATE(__BAUDRATE__) ((__BAUDRATE__) < 4500001)
498 #define IS_USART_WORD_LENGTH(LENGTH) (((LENGTH) == USART_WORDLENGTH_8B) || \
499 ((LENGTH) == USART_WORDLENGTH_9B))
501 #define IS_USART_STOPBITS(STOPBITS) (((STOPBITS) == USART_STOPBITS_1) || \
502 ((STOPBITS) == USART_STOPBITS_0_5) || \
503 ((STOPBITS) == USART_STOPBITS_1_5) || \
504 ((STOPBITS) == USART_STOPBITS_2))
506 #define IS_USART_PARITY(PARITY) (((PARITY) == USART_PARITY_NONE) || \
507 ((PARITY) == USART_PARITY_EVEN) || \
508 ((PARITY) == USART_PARITY_ODD))
510 #define IS_USART_MODE(MODE) ((((MODE) & (~((uint32_t)USART_MODE_TX_RX))) == 0x00) && ((MODE) != (uint32_t)0x00000000))
512 #define IS_USART_CLOCK(CLOCK) (((CLOCK) == USART_CLOCK_DISABLE) || \
513 ((CLOCK) == USART_CLOCK_ENABLE))
515 #define IS_USART_POLARITY(CPOL) (((CPOL) == USART_POLARITY_LOW) || ((CPOL) == USART_POLARITY_HIGH))
517 #define IS_USART_PHASE(CPHA) (((CPHA) == USART_PHASE_1EDGE) || ((CPHA) == USART_PHASE_2EDGE))
519 #define IS_USART_LASTBIT(LASTBIT) (((LASTBIT) == USART_LASTBIT_DISABLE) || \
520 ((LASTBIT) == USART_LASTBIT_ENABLE))
522 #define IS_USART_NACK_STATE(NACK) (((NACK) == USART_NACK_ENABLE) || \
523 ((NACK) == USART_NACK_DISABLE))
525 /** USART interruptions flag mask
528 #define USART_IT_MASK ((uint32_t) USART_CR1_PEIE | USART_CR1_TXEIE | USART_CR1_TCIE | USART_CR1_RXNEIE | \
529 USART_CR1_IDLEIE | USART_CR2_LBDIE | USART_CR3_CTSIE | USART_CR3_EIE )
536 /* Exported functions --------------------------------------------------------*/
538 /** @addtogroup USART_Exported_Functions USART Exported Functions
542 /** @addtogroup USART_Exported_Functions_Group1 Initialization and de-initialization functions
546 /* Initialization and de-initialization functions ******************************/
547 HAL_StatusTypeDef HAL_USART_Init(USART_HandleTypeDef *husart);
548 HAL_StatusTypeDef HAL_USART_DeInit(USART_HandleTypeDef *husart);
549 void HAL_USART_MspInit(USART_HandleTypeDef *husart);
550 void HAL_USART_MspDeInit(USART_HandleTypeDef *husart);
556 /** @addtogroup USART_Exported_Functions_Group2 IO operation functions
560 /* IO operation functions *******************************************************/
561 HAL_StatusTypeDef HAL_USART_Transmit(USART_HandleTypeDef *husart, uint8_t *pTxData, uint16_t Size, uint32_t Timeout);
562 HAL_StatusTypeDef HAL_USART_Receive(USART_HandleTypeDef *husart, uint8_t *pRxData, uint16_t Size, uint32_t Timeout);
563 HAL_StatusTypeDef HAL_USART_TransmitReceive(USART_HandleTypeDef *husart, uint8_t *pTxData, uint8_t *pRxData, uint16_t Size, uint32_t Timeout);
564 HAL_StatusTypeDef HAL_USART_Transmit_IT(USART_HandleTypeDef *husart, uint8_t *pTxData, uint16_t Size);
565 HAL_StatusTypeDef HAL_USART_Receive_IT(USART_HandleTypeDef *husart, uint8_t *pRxData, uint16_t Size);
566 HAL_StatusTypeDef HAL_USART_TransmitReceive_IT(USART_HandleTypeDef *husart, uint8_t *pTxData, uint8_t *pRxData, uint16_t Size);
567 HAL_StatusTypeDef HAL_USART_Transmit_DMA(USART_HandleTypeDef *husart, uint8_t *pTxData, uint16_t Size);
568 HAL_StatusTypeDef HAL_USART_Receive_DMA(USART_HandleTypeDef *husart, uint8_t *pRxData, uint16_t Size);
569 HAL_StatusTypeDef HAL_USART_TransmitReceive_DMA(USART_HandleTypeDef *husart, uint8_t *pTxData, uint8_t *pRxData, uint16_t Size);
570 HAL_StatusTypeDef HAL_USART_DMAPause(USART_HandleTypeDef *husart);
571 HAL_StatusTypeDef HAL_USART_DMAResume(USART_HandleTypeDef *husart);
572 HAL_StatusTypeDef HAL_USART_DMAStop(USART_HandleTypeDef *husart);
573 void HAL_USART_IRQHandler(USART_HandleTypeDef *husart);
574 void HAL_USART_TxCpltCallback(USART_HandleTypeDef *husart);
575 void HAL_USART_TxHalfCpltCallback(USART_HandleTypeDef *husart);
576 void HAL_USART_RxCpltCallback(USART_HandleTypeDef *husart);
577 void HAL_USART_RxHalfCpltCallback(USART_HandleTypeDef *husart);
578 void HAL_USART_TxRxCpltCallback(USART_HandleTypeDef *husart);
579 void HAL_USART_ErrorCallback(USART_HandleTypeDef *husart);
585 /* Peripheral Control functions ***********************************************/
587 /** @addtogroup USART_Exported_Functions_Group3 Peripheral State and Errors functions
591 /* Peripheral State and Error functions ***************************************/
592 HAL_USART_StateTypeDef HAL_USART_GetState(USART_HandleTypeDef *husart);
593 uint32_t HAL_USART_GetError(USART_HandleTypeDef *husart);
615 #endif /* __STM32F1xx_HAL_USART_H */
617 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/