comparison Common/Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_usart.h @ 128:c78bcbd5deda FlipDisplay

Added current STM32 standandard libraries in version independend folder structure
author Ideenmodellierer
date Sun, 17 Feb 2019 21:12:22 +0100
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1 /**
2 ******************************************************************************
3 * @file stm32f4xx_hal_usart.h
4 * @author MCD Application Team
5 * @brief Header file of USART HAL module.
6 ******************************************************************************
7 * @attention
8 *
9 * <h2><center>&copy; COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
10 *
11 * Redistribution and use in source and binary forms, with or without modification,
12 * are permitted provided that the following conditions are met:
13 * 1. Redistributions of source code must retain the above copyright notice,
14 * this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright notice,
16 * this list of conditions and the following disclaimer in the documentation
17 * and/or other materials provided with the distribution.
18 * 3. Neither the name of STMicroelectronics nor the names of its contributors
19 * may be used to endorse or promote products derived from this software
20 * without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
23 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
25 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
28 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
29 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 *
33 ******************************************************************************
34 */
35
36 /* Define to prevent recursive inclusion -------------------------------------*/
37 #ifndef __STM32F4xx_HAL_USART_H
38 #define __STM32F4xx_HAL_USART_H
39
40 #ifdef __cplusplus
41 extern "C" {
42 #endif
43
44 /* Includes ------------------------------------------------------------------*/
45 #include "stm32f4xx_hal_def.h"
46
47 /** @addtogroup STM32F4xx_HAL_Driver
48 * @{
49 */
50
51 /** @addtogroup USART
52 * @{
53 */
54
55 /* Exported types ------------------------------------------------------------*/
56 /** @defgroup USART_Exported_Types USART Exported Types
57 * @{
58 */
59
60 /**
61 * @brief USART Init Structure definition
62 */
63 typedef struct
64 {
65 uint32_t BaudRate; /*!< This member configures the Usart communication baud rate.
66 The baud rate is computed using the following formula:
67 - IntegerDivider = ((PCLKx) / (8 * (husart->Init.BaudRate)))
68 - FractionalDivider = ((IntegerDivider - ((uint32_t) IntegerDivider)) * 8) + 0.5 */
69
70 uint32_t WordLength; /*!< Specifies the number of data bits transmitted or received in a frame.
71 This parameter can be a value of @ref USART_Word_Length */
72
73 uint32_t StopBits; /*!< Specifies the number of stop bits transmitted.
74 This parameter can be a value of @ref USART_Stop_Bits */
75
76 uint32_t Parity; /*!< Specifies the parity mode.
77 This parameter can be a value of @ref USART_Parity
78 @note When parity is enabled, the computed parity is inserted
79 at the MSB position of the transmitted data (9th bit when
80 the word length is set to 9 data bits; 8th bit when the
81 word length is set to 8 data bits). */
82
83 uint32_t Mode; /*!< Specifies whether the Receive or Transmit mode is enabled or disabled.
84 This parameter can be a value of @ref USART_Mode */
85
86 uint32_t CLKPolarity; /*!< Specifies the steady state of the serial clock.
87 This parameter can be a value of @ref USART_Clock_Polarity */
88
89 uint32_t CLKPhase; /*!< Specifies the clock transition on which the bit capture is made.
90 This parameter can be a value of @ref USART_Clock_Phase */
91
92 uint32_t CLKLastBit; /*!< Specifies whether the clock pulse corresponding to the last transmitted
93 data bit (MSB) has to be output on the SCLK pin in synchronous mode.
94 This parameter can be a value of @ref USART_Last_Bit */
95 }USART_InitTypeDef;
96
97 /**
98 * @brief HAL State structures definition
99 */
100 typedef enum
101 {
102 HAL_USART_STATE_RESET = 0x00U, /*!< Peripheral is not yet Initialized */
103 HAL_USART_STATE_READY = 0x01U, /*!< Peripheral Initialized and ready for use */
104 HAL_USART_STATE_BUSY = 0x02U, /*!< an internal process is ongoing */
105 HAL_USART_STATE_BUSY_TX = 0x12U, /*!< Data Transmission process is ongoing */
106 HAL_USART_STATE_BUSY_RX = 0x22U, /*!< Data Reception process is ongoing */
107 HAL_USART_STATE_BUSY_TX_RX = 0x32U, /*!< Data Transmission Reception process is ongoing */
108 HAL_USART_STATE_TIMEOUT = 0x03U, /*!< Timeout state */
109 HAL_USART_STATE_ERROR = 0x04U /*!< Error */
110 }HAL_USART_StateTypeDef;
111
112 /**
113 * @brief USART handle Structure definition
114 */
115 typedef struct
116 {
117 USART_TypeDef *Instance; /* USART registers base address */
118
119 USART_InitTypeDef Init; /* Usart communication parameters */
120
121 uint8_t *pTxBuffPtr; /* Pointer to Usart Tx transfer Buffer */
122
123 uint16_t TxXferSize; /* Usart Tx Transfer size */
124
125 __IO uint16_t TxXferCount; /* Usart Tx Transfer Counter */
126
127 uint8_t *pRxBuffPtr; /* Pointer to Usart Rx transfer Buffer */
128
129 uint16_t RxXferSize; /* Usart Rx Transfer size */
130
131 __IO uint16_t RxXferCount; /* Usart Rx Transfer Counter */
132
133 DMA_HandleTypeDef *hdmatx; /* Usart Tx DMA Handle parameters */
134
135 DMA_HandleTypeDef *hdmarx; /* Usart Rx DMA Handle parameters */
136
137 HAL_LockTypeDef Lock; /* Locking object */
138
139 __IO HAL_USART_StateTypeDef State; /* Usart communication state */
140
141 __IO uint32_t ErrorCode; /* USART Error code */
142
143 }USART_HandleTypeDef;
144 /**
145 * @}
146 */
147
148 /* Exported constants --------------------------------------------------------*/
149 /** @defgroup USART_Exported_Constants USART Exported Constants
150 * @{
151 */
152
153 /** @defgroup USART_Error_Code USART Error Code
154 * @brief USART Error Code
155 * @{
156 */
157 #define HAL_USART_ERROR_NONE 0x00000000U /*!< No error */
158 #define HAL_USART_ERROR_PE 0x00000001U /*!< Parity error */
159 #define HAL_USART_ERROR_NE 0x00000002U /*!< Noise error */
160 #define HAL_USART_ERROR_FE 0x00000004U /*!< Frame error */
161 #define HAL_USART_ERROR_ORE 0x00000008U /*!< Overrun error */
162 #define HAL_USART_ERROR_DMA 0x00000010U /*!< DMA transfer error */
163 /**
164 * @}
165 */
166
167 /** @defgroup USART_Word_Length USART Word Length
168 * @{
169 */
170 #define USART_WORDLENGTH_8B 0x00000000U
171 #define USART_WORDLENGTH_9B ((uint32_t)USART_CR1_M)
172 /**
173 * @}
174 */
175
176 /** @defgroup USART_Stop_Bits USART Number of Stop Bits
177 * @{
178 */
179 #define USART_STOPBITS_1 0x00000000U
180 #define USART_STOPBITS_0_5 ((uint32_t)USART_CR2_STOP_0)
181 #define USART_STOPBITS_2 ((uint32_t)USART_CR2_STOP_1)
182 #define USART_STOPBITS_1_5 ((uint32_t)(USART_CR2_STOP_0 | USART_CR2_STOP_1))
183 /**
184 * @}
185 */
186
187 /** @defgroup USART_Parity USART Parity
188 * @{
189 */
190 #define USART_PARITY_NONE 0x00000000U
191 #define USART_PARITY_EVEN ((uint32_t)USART_CR1_PCE)
192 #define USART_PARITY_ODD ((uint32_t)(USART_CR1_PCE | USART_CR1_PS))
193 /**
194 * @}
195 */
196
197 /** @defgroup USART_Mode USART Mode
198 * @{
199 */
200 #define USART_MODE_RX ((uint32_t)USART_CR1_RE)
201 #define USART_MODE_TX ((uint32_t)USART_CR1_TE)
202 #define USART_MODE_TX_RX ((uint32_t)(USART_CR1_TE |USART_CR1_RE))
203 /**
204 * @}
205 */
206
207 /** @defgroup USART_Clock USART Clock
208 * @{
209 */
210 #define USART_CLOCK_DISABLE 0x00000000U
211 #define USART_CLOCK_ENABLE ((uint32_t)USART_CR2_CLKEN)
212 /**
213 * @}
214 */
215
216 /** @defgroup USART_Clock_Polarity USART Clock Polarity
217 * @{
218 */
219 #define USART_POLARITY_LOW 0x00000000U
220 #define USART_POLARITY_HIGH ((uint32_t)USART_CR2_CPOL)
221 /**
222 * @}
223 */
224
225 /** @defgroup USART_Clock_Phase USART Clock Phase
226 * @{
227 */
228 #define USART_PHASE_1EDGE 0x00000000U
229 #define USART_PHASE_2EDGE ((uint32_t)USART_CR2_CPHA)
230 /**
231 * @}
232 */
233
234 /** @defgroup USART_Last_Bit USART Last Bit
235 * @{
236 */
237 #define USART_LASTBIT_DISABLE 0x00000000U
238 #define USART_LASTBIT_ENABLE ((uint32_t)USART_CR2_LBCL)
239 /**
240 * @}
241 */
242
243 /** @defgroup USART_NACK_State USART NACK State
244 * @{
245 */
246 #define USART_NACK_ENABLE ((uint32_t)USART_CR3_NACK)
247 #define USART_NACK_DISABLE 0x00000000U
248 /**
249 * @}
250 */
251
252 /** @defgroup USART_Flags USART Flags
253 * Elements values convention: 0xXXXX
254 * - 0xXXXX : Flag mask in the SR register
255 * @{
256 */
257 #define USART_FLAG_TXE 0x00000080U
258 #define USART_FLAG_TC 0x00000040U
259 #define USART_FLAG_RXNE 0x00000020U
260 #define USART_FLAG_IDLE 0x00000010U
261 #define USART_FLAG_ORE 0x00000008U
262 #define USART_FLAG_NE 0x00000004U
263 #define USART_FLAG_FE 0x00000002U
264 #define USART_FLAG_PE 0x00000001U
265 /**
266 * @}
267 */
268
269 /** @defgroup USART_Interrupt_definition USART Interrupts Definition
270 * Elements values convention: 0xY000XXXX
271 * - XXXX : Interrupt mask in the XX register
272 * - Y : Interrupt source register (2bits)
273 * - 01: CR1 register
274 * - 10: CR2 register
275 * - 11: CR3 register
276 *
277 * @{
278 */
279 #define USART_IT_PE ((uint32_t)(USART_CR1_REG_INDEX << 28U | USART_CR1_PEIE))
280 #define USART_IT_TXE ((uint32_t)(USART_CR1_REG_INDEX << 28U | USART_CR1_TXEIE))
281 #define USART_IT_TC ((uint32_t)(USART_CR1_REG_INDEX << 28U | USART_CR1_TCIE))
282 #define USART_IT_RXNE ((uint32_t)(USART_CR1_REG_INDEX << 28U | USART_CR1_RXNEIE))
283 #define USART_IT_IDLE ((uint32_t)(USART_CR1_REG_INDEX << 28U | USART_CR1_IDLEIE))
284
285 #define USART_IT_LBD ((uint32_t)(USART_CR2_REG_INDEX << 28U | USART_CR2_LBDIE))
286
287 #define USART_IT_CTS ((uint32_t)(USART_CR3_REG_INDEX << 28U | USART_CR3_CTSIE))
288 #define USART_IT_ERR ((uint32_t)(USART_CR3_REG_INDEX << 28U | USART_CR3_EIE))
289 /**
290 * @}
291 */
292
293 /**
294 * @}
295 */
296
297 /* Exported macro ------------------------------------------------------------*/
298 /** @defgroup USART_Exported_Macros USART Exported Macros
299 * @{
300 */
301
302 /** @brief Reset USART handle state
303 * @param __HANDLE__ specifies the USART Handle.
304 * This parameter can be USARTx where x: 1, 2, 3 or 6 to select the USART peripheral.
305 * @retval None
306 */
307 #define __HAL_USART_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_USART_STATE_RESET)
308
309 /** @brief Checks whether the specified Smartcard flag is set or not.
310 * @param __HANDLE__ specifies the USART Handle.
311 * This parameter can be USARTx where x: 1, 2, 3 or 6 to select the USART peripheral.
312 * @param __FLAG__ specifies the flag to check.
313 * This parameter can be one of the following values:
314 * @arg USART_FLAG_TXE: Transmit data register empty flag
315 * @arg USART_FLAG_TC: Transmission Complete flag
316 * @arg USART_FLAG_RXNE: Receive data register not empty flag
317 * @arg USART_FLAG_IDLE: Idle Line detection flag
318 * @arg USART_FLAG_ORE: Overrun Error flag
319 * @arg USART_FLAG_NE: Noise Error flag
320 * @arg USART_FLAG_FE: Framing Error flag
321 * @arg USART_FLAG_PE: Parity Error flag
322 * @retval The new state of __FLAG__ (TRUE or FALSE).
323 */
324 #define __HAL_USART_GET_FLAG(__HANDLE__, __FLAG__) (((__HANDLE__)->Instance->SR & (__FLAG__)) == (__FLAG__))
325
326 /** @brief Clears the specified Smartcard pending flags.
327 * @param __HANDLE__ specifies the USART Handle.
328 * This parameter can be USARTx where x: 1, 2, 3 or 6 to select the USART peripheral.
329 * @param __FLAG__ specifies the flag to check.
330 * This parameter can be any combination of the following values:
331 * @arg USART_FLAG_TC: Transmission Complete flag.
332 * @arg USART_FLAG_RXNE: Receive data register not empty flag.
333 *
334 * @note PE (Parity error), FE (Framing error), NE (Noise error), ORE (Overrun
335 * error) and IDLE (Idle line detected) flags are cleared by software
336 * sequence: a read operation to USART_SR register followed by a read
337 * operation to USART_DR register.
338 * @note RXNE flag can be also cleared by a read to the USART_DR register.
339 * @note TC flag can be also cleared by software sequence: a read operation to
340 * USART_SR register followed by a write operation to USART_DR register.
341 * @note TXE flag is cleared only by a write to the USART_DR register.
342 *
343 * @retval None
344 */
345 #define __HAL_USART_CLEAR_FLAG(__HANDLE__, __FLAG__) ((__HANDLE__)->Instance->SR = ~(__FLAG__))
346
347 /** @brief Clear the USART PE pending flag.
348 * @param __HANDLE__ specifies the USART Handle.
349 * This parameter can be USARTx where x: 1, 2, 3 or 6 to select the USART peripheral.
350 * @retval None
351 */
352 #define __HAL_USART_CLEAR_PEFLAG(__HANDLE__) \
353 do{ \
354 __IO uint32_t tmpreg = 0x00U; \
355 tmpreg = (__HANDLE__)->Instance->SR; \
356 tmpreg = (__HANDLE__)->Instance->DR; \
357 UNUSED(tmpreg); \
358 } while(0U)
359
360 /** @brief Clear the USART FE pending flag.
361 * @param __HANDLE__ specifies the USART Handle.
362 * This parameter can be USARTx where x: 1, 2, 3 or 6 to select the USART peripheral.
363 * @retval None
364 */
365 #define __HAL_USART_CLEAR_FEFLAG(__HANDLE__) __HAL_USART_CLEAR_PEFLAG(__HANDLE__)
366
367 /** @brief Clear the USART NE pending flag.
368 * @param __HANDLE__ specifies the USART Handle.
369 * This parameter can be USARTx where x: 1, 2, 3 or 6 to select the USART peripheral.
370 * @retval None
371 */
372 #define __HAL_USART_CLEAR_NEFLAG(__HANDLE__) __HAL_USART_CLEAR_PEFLAG(__HANDLE__)
373
374 /** @brief Clear the UART ORE pending flag.
375 * @param __HANDLE__ specifies the USART Handle.
376 * This parameter can be USARTx where x: 1, 2, 3 or 6 to select the USART peripheral.
377 * @retval None
378 */
379 #define __HAL_USART_CLEAR_OREFLAG(__HANDLE__) __HAL_USART_CLEAR_PEFLAG(__HANDLE__)
380
381 /** @brief Clear the USART IDLE pending flag.
382 * @param __HANDLE__ specifies the USART Handle.
383 * This parameter can be USARTx where x: 1, 2, 3 or 6 to select the USART peripheral.
384 * @retval None
385 */
386 #define __HAL_USART_CLEAR_IDLEFLAG(__HANDLE__) __HAL_USART_CLEAR_PEFLAG(__HANDLE__)
387
388 /** @brief Enables or disables the specified USART interrupts.
389 * @param __HANDLE__ specifies the USART Handle.
390 * This parameter can be USARTx where x: 1, 2, 3 or 6 to select the USART peripheral.
391 * @param __INTERRUPT__ specifies the USART interrupt source to check.
392 * This parameter can be one of the following values:
393 * @arg USART_IT_TXE: Transmit Data Register empty interrupt
394 * @arg USART_IT_TC: Transmission complete interrupt
395 * @arg USART_IT_RXNE: Receive Data register not empty interrupt
396 * @arg USART_IT_IDLE: Idle line detection interrupt
397 * @arg USART_IT_PE: Parity Error interrupt
398 * @arg USART_IT_ERR: Error interrupt(Frame error, noise error, overrun error)
399 * This parameter can be: ENABLE or DISABLE.
400 * @retval None
401 */
402 #define __HAL_USART_ENABLE_IT(__HANDLE__, __INTERRUPT__) ((((__INTERRUPT__) >> 28U) == 1U)? ((__HANDLE__)->Instance->CR1 |= ((__INTERRUPT__) & USART_IT_MASK)): \
403 (((__INTERRUPT__) >> 28U) == 2U)? ((__HANDLE__)->Instance->CR2 |= ((__INTERRUPT__) & USART_IT_MASK)): \
404 ((__HANDLE__)->Instance->CR3 |= ((__INTERRUPT__) & USART_IT_MASK)))
405 #define __HAL_USART_DISABLE_IT(__HANDLE__, __INTERRUPT__) ((((__INTERRUPT__) >> 28U) == 1U)? ((__HANDLE__)->Instance->CR1 &= ~((__INTERRUPT__) & USART_IT_MASK)): \
406 (((__INTERRUPT__) >> 28U) == 2U)? ((__HANDLE__)->Instance->CR2 &= ~((__INTERRUPT__) & USART_IT_MASK)): \
407 ((__HANDLE__)->Instance->CR3 &= ~ ((__INTERRUPT__) & USART_IT_MASK)))
408
409 /** @brief Checks whether the specified USART interrupt has occurred or not.
410 * @param __HANDLE__ specifies the USART Handle.
411 * This parameter can be USARTx where x: 1, 2, 3 or 6 to select the USART peripheral.
412 * @param __IT__ specifies the USART interrupt source to check.
413 * This parameter can be one of the following values:
414 * @arg USART_IT_TXE: Transmit Data Register empty interrupt
415 * @arg USART_IT_TC: Transmission complete interrupt
416 * @arg USART_IT_RXNE: Receive Data register not empty interrupt
417 * @arg USART_IT_IDLE: Idle line detection interrupt
418 * @arg USART_IT_ERR: Error interrupt
419 * @arg USART_IT_PE: Parity Error interrupt
420 * @retval The new state of __IT__ (TRUE or FALSE).
421 */
422 #define __HAL_USART_GET_IT_SOURCE(__HANDLE__, __IT__) (((((__IT__) >> 28U) == 1U)? (__HANDLE__)->Instance->CR1:(((((uint32_t)(__IT__)) >> 28U) == 2U)? \
423 (__HANDLE__)->Instance->CR2 : (__HANDLE__)->Instance->CR3)) & (((uint32_t)(__IT__)) & USART_IT_MASK))
424
425 /** @brief Macro to enable the USART's one bit sample method
426 * @param __HANDLE__ specifies the USART Handle.
427 * @retval None
428 */
429 #define __HAL_USART_ONE_BIT_SAMPLE_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR3|= USART_CR3_ONEBIT)
430
431 /** @brief Macro to disable the USART's one bit sample method
432 * @param __HANDLE__ specifies the USART Handle.
433 * @retval None
434 */
435 #define __HAL_USART_ONE_BIT_SAMPLE_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR3 &= (uint16_t)~((uint16_t)USART_CR3_ONEBIT))
436
437 /** @brief Enable USART
438 * @param __HANDLE__ specifies the USART Handle.
439 * USART Handle selects the USARTx peripheral (USART availability and x value depending on device).
440 * @retval None
441 */
442 #define __HAL_USART_ENABLE(__HANDLE__) ( (__HANDLE__)->Instance->CR1 |= USART_CR1_UE)
443
444 /** @brief Disable USART
445 * @param __HANDLE__ specifies the USART Handle.
446 * USART Handle selects the USARTx peripheral (USART availability and x value depending on device).
447 * @retval None
448 */
449 #define __HAL_USART_DISABLE(__HANDLE__) ( (__HANDLE__)->Instance->CR1 &= ~USART_CR1_UE)
450
451 /**
452 * @}
453 */
454 /* Exported functions --------------------------------------------------------*/
455 /** @addtogroup USART_Exported_Functions
456 * @{
457 */
458
459 /** @addtogroup USART_Exported_Functions_Group1
460 * @{
461 */
462 /* Initialization/de-initialization functions **********************************/
463 HAL_StatusTypeDef HAL_USART_Init(USART_HandleTypeDef *husart);
464 HAL_StatusTypeDef HAL_USART_DeInit(USART_HandleTypeDef *husart);
465 void HAL_USART_MspInit(USART_HandleTypeDef *husart);
466 void HAL_USART_MspDeInit(USART_HandleTypeDef *husart);
467 /**
468 * @}
469 */
470
471 /** @addtogroup USART_Exported_Functions_Group2
472 * @{
473 */
474 /* IO operation functions *******************************************************/
475 HAL_StatusTypeDef HAL_USART_Transmit(USART_HandleTypeDef *husart, uint8_t *pTxData, uint16_t Size, uint32_t Timeout);
476 HAL_StatusTypeDef HAL_USART_Receive(USART_HandleTypeDef *husart, uint8_t *pRxData, uint16_t Size, uint32_t Timeout);
477 HAL_StatusTypeDef HAL_USART_TransmitReceive(USART_HandleTypeDef *husart, uint8_t *pTxData, uint8_t *pRxData, uint16_t Size, uint32_t Timeout);
478 HAL_StatusTypeDef HAL_USART_Transmit_IT(USART_HandleTypeDef *husart, uint8_t *pTxData, uint16_t Size);
479 HAL_StatusTypeDef HAL_USART_Receive_IT(USART_HandleTypeDef *husart, uint8_t *pRxData, uint16_t Size);
480 HAL_StatusTypeDef HAL_USART_TransmitReceive_IT(USART_HandleTypeDef *husart, uint8_t *pTxData, uint8_t *pRxData, uint16_t Size);
481 HAL_StatusTypeDef HAL_USART_Transmit_DMA(USART_HandleTypeDef *husart, uint8_t *pTxData, uint16_t Size);
482 HAL_StatusTypeDef HAL_USART_Receive_DMA(USART_HandleTypeDef *husart, uint8_t *pRxData, uint16_t Size);
483 HAL_StatusTypeDef HAL_USART_TransmitReceive_DMA(USART_HandleTypeDef *husart, uint8_t *pTxData, uint8_t *pRxData, uint16_t Size);
484 HAL_StatusTypeDef HAL_USART_DMAPause(USART_HandleTypeDef *husart);
485 HAL_StatusTypeDef HAL_USART_DMAResume(USART_HandleTypeDef *husart);
486 HAL_StatusTypeDef HAL_USART_DMAStop(USART_HandleTypeDef *husart);
487 /* Transfer Abort functions */
488 HAL_StatusTypeDef HAL_USART_Abort(USART_HandleTypeDef *husart);
489 HAL_StatusTypeDef HAL_USART_Abort_IT(USART_HandleTypeDef *husart);
490
491 void HAL_USART_IRQHandler(USART_HandleTypeDef *husart);
492 void HAL_USART_TxCpltCallback(USART_HandleTypeDef *husart);
493 void HAL_USART_TxHalfCpltCallback(USART_HandleTypeDef *husart);
494 void HAL_USART_RxCpltCallback(USART_HandleTypeDef *husart);
495 void HAL_USART_RxHalfCpltCallback(USART_HandleTypeDef *husart);
496 void HAL_USART_TxRxCpltCallback(USART_HandleTypeDef *husart);
497 void HAL_USART_ErrorCallback(USART_HandleTypeDef *husart);
498 void HAL_USART_AbortCpltCallback (USART_HandleTypeDef *husart);
499 /**
500 * @}
501 */
502
503 /** @addtogroup USART_Exported_Functions_Group3
504 * @{
505 */
506 /* Peripheral State functions ************************************************/
507 HAL_USART_StateTypeDef HAL_USART_GetState(USART_HandleTypeDef *husart);
508 uint32_t HAL_USART_GetError(USART_HandleTypeDef *husart);
509 /**
510 * @}
511 */
512
513 /**
514 * @}
515 */
516 /* Private types -------------------------------------------------------------*/
517 /* Private variables ---------------------------------------------------------*/
518 /* Private constants ---------------------------------------------------------*/
519 /** @defgroup USART_Private_Constants USART Private Constants
520 * @{
521 */
522 /** @brief USART interruptions flag mask
523 *
524 */
525 #define USART_IT_MASK ((uint32_t) USART_CR1_PEIE | USART_CR1_TXEIE | USART_CR1_TCIE | USART_CR1_RXNEIE | \
526 USART_CR1_IDLEIE | USART_CR2_LBDIE | USART_CR3_CTSIE | USART_CR3_EIE )
527
528 #define USART_CR1_REG_INDEX 1U
529 #define USART_CR2_REG_INDEX 2U
530 #define USART_CR3_REG_INDEX 3U
531 /**
532 * @}
533 */
534
535 /* Private macros ------------------------------------------------------------*/
536 /** @defgroup USART_Private_Macros USART Private Macros
537 * @{
538 */
539 #define IS_USART_NACK_STATE(NACK) (((NACK) == USART_NACK_ENABLE) || \
540 ((NACK) == USART_NACK_DISABLE))
541 #define IS_USART_LASTBIT(LASTBIT) (((LASTBIT) == USART_LASTBIT_DISABLE) || \
542 ((LASTBIT) == USART_LASTBIT_ENABLE))
543 #define IS_USART_PHASE(CPHA) (((CPHA) == USART_PHASE_1EDGE) || ((CPHA) == USART_PHASE_2EDGE))
544 #define IS_USART_POLARITY(CPOL) (((CPOL) == USART_POLARITY_LOW) || ((CPOL) == USART_POLARITY_HIGH))
545 #define IS_USART_CLOCK(CLOCK) (((CLOCK) == USART_CLOCK_DISABLE) || \
546 ((CLOCK) == USART_CLOCK_ENABLE))
547 #define IS_USART_WORD_LENGTH(LENGTH) (((LENGTH) == USART_WORDLENGTH_8B) || \
548 ((LENGTH) == USART_WORDLENGTH_9B))
549 #define IS_USART_STOPBITS(STOPBITS) (((STOPBITS) == USART_STOPBITS_1) || \
550 ((STOPBITS) == USART_STOPBITS_0_5) || \
551 ((STOPBITS) == USART_STOPBITS_1_5) || \
552 ((STOPBITS) == USART_STOPBITS_2))
553 #define IS_USART_PARITY(PARITY) (((PARITY) == USART_PARITY_NONE) || \
554 ((PARITY) == USART_PARITY_EVEN) || \
555 ((PARITY) == USART_PARITY_ODD))
556 #define IS_USART_MODE(MODE) ((((MODE) & 0xFFF3U) == 0x00U) && ((MODE) != 0x00U))
557 #define IS_USART_BAUDRATE(BAUDRATE) ((BAUDRATE) < 10500001U)
558
559 #define USART_DIV(_PCLK_, _BAUD_) (((_PCLK_)*25U)/(2U*(_BAUD_)))
560 #define USART_DIVMANT(_PCLK_, _BAUD_) (USART_DIV((_PCLK_), (_BAUD_))/100U)
561 #define USART_DIVFRAQ(_PCLK_, _BAUD_) (((USART_DIV((_PCLK_), (_BAUD_)) - (USART_DIVMANT((_PCLK_), (_BAUD_)) * 100U)) * 16U + 50U) / 100U)
562 #define USART_BRR(_PCLK_, _BAUD_) ((USART_DIVMANT((_PCLK_), (_BAUD_)) << 4U)|(USART_DIVFRAQ((_PCLK_), (_BAUD_)) & 0x0FU))
563 /**
564 * @}
565 */
566
567 /* Private functions ---------------------------------------------------------*/
568 /** @defgroup USART_Private_Functions USART Private Functions
569 * @{
570 */
571
572 /**
573 * @}
574 */
575
576 /**
577 * @}
578 */
579
580 /**
581 * @}
582 */
583
584 #ifdef __cplusplus
585 }
586 #endif
587
588 #endif /* __STM32F4xx_HAL_USART_H */
589
590 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/