2 ******************************************************************************
3 * @file stm32f30x_usart.h
4 * @author MCD Application Team
6 * @date 27-February-2014
7 * @brief This file contains all the functions prototypes for the USART
9 ******************************************************************************
12 * <h2><center>© COPYRIGHT(c) 2014 STMicroelectronics</center></h2>
14 * Redistribution and use in source and binary forms, with or without modification,
15 * are permitted provided that the following conditions are met:
16 * 1. Redistributions of source code must retain the above copyright notice,
17 * this list of conditions and the following disclaimer.
18 * 2. Redistributions in binary form must reproduce the above copyright notice,
19 * this list of conditions and the following disclaimer in the documentation
20 * and/or other materials provided with the distribution.
21 * 3. Neither the name of STMicroelectronics nor the names of its contributors
22 * may be used to endorse or promote products derived from this software
23 * without specific prior written permission.
25 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
26 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
28 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
31 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
32 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
33 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
34 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
36 ******************************************************************************
39 /* Define to prevent recursive inclusion -------------------------------------*/
40 #ifndef __STM32F30x_USART_H
41 #define __STM32F30x_USART_H
47 /* Includes ------------------------------------------------------------------*/
48 #include "stm32f30x.h"
50 /** @addtogroup STM32F30x_StdPeriph_Driver
58 /* Exported types ------------------------------------------------------------*/
63 * @brief USART Init Structure definition
68 uint32_t USART_BaudRate; /*!< This member configures the USART communication baud rate.
69 The baud rate is computed using the following formula:
70 - IntegerDivider = ((PCLKx) / (16 * (USART_InitStruct->USART_BaudRate)))
71 - FractionalDivider = ((IntegerDivider - ((uint32_t) IntegerDivider)) * 16) + 0.5 */
73 uint32_t USART_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 USART_StopBits; /*!< Specifies the number of stop bits transmitted.
77 This parameter can be a value of @ref USART_Stop_Bits */
79 uint32_t USART_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 USART_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 USART_HardwareFlowControl; /*!< Specifies wether the hardware flow control mode is enabled
91 This parameter can be a value of @ref USART_Hardware_Flow_Control*/
95 * @brief USART Clock Init Structure definition
100 uint32_t USART_Clock; /*!< Specifies whether the USART clock is enabled or disabled.
101 This parameter can be a value of @ref USART_Clock */
103 uint32_t USART_CPOL; /*!< Specifies the steady state of the serial clock.
104 This parameter can be a value of @ref USART_Clock_Polarity */
106 uint32_t USART_CPHA; /*!< Specifies the clock transition on which the bit capture is made.
107 This parameter can be a value of @ref USART_Clock_Phase */
109 uint32_t USART_LastBit; /*!< Specifies whether the clock pulse corresponding to the last transmitted
110 data bit (MSB) has to be output on the SCLK pin in synchronous mode.
111 This parameter can be a value of @ref USART_Last_Bit */
112 } USART_ClockInitTypeDef;
114 /* Exported constants --------------------------------------------------------*/
116 /** @defgroup USART_Exported_Constants
120 #define IS_USART_ALL_PERIPH(PERIPH) (((PERIPH) == USART1) || \
121 ((PERIPH) == USART2) || \
122 ((PERIPH) == USART3) || \
123 ((PERIPH) == UART4) || \
126 #define IS_USART_123_PERIPH(PERIPH) (((PERIPH) == USART1) || \
127 ((PERIPH) == USART2) || \
128 ((PERIPH) == USART3))
130 #define IS_USART_1234_PERIPH(PERIPH) (((PERIPH) == USART1) || \
131 ((PERIPH) == USART2) || \
132 ((PERIPH) == USART3) || \
136 /** @defgroup USART_Word_Length
140 #define USART_WordLength_8b ((uint32_t)0x00000000)
141 #define USART_WordLength_9b USART_CR1_M
142 #define IS_USART_WORD_LENGTH(LENGTH) (((LENGTH) == USART_WordLength_8b) || \
143 ((LENGTH) == USART_WordLength_9b))
148 /** @defgroup USART_Stop_Bits
152 #define USART_StopBits_1 ((uint32_t)0x00000000)
153 #define USART_StopBits_2 USART_CR2_STOP_1
154 #define USART_StopBits_1_5 (USART_CR2_STOP_0 | USART_CR2_STOP_1)
155 #define IS_USART_STOPBITS(STOPBITS) (((STOPBITS) == USART_StopBits_1) || \
156 ((STOPBITS) == USART_StopBits_2) || \
157 ((STOPBITS) == USART_StopBits_1_5))
162 /** @defgroup USART_Parity
166 #define USART_Parity_No ((uint32_t)0x00000000)
167 #define USART_Parity_Even USART_CR1_PCE
168 #define USART_Parity_Odd (USART_CR1_PCE | USART_CR1_PS)
169 #define IS_USART_PARITY(PARITY) (((PARITY) == USART_Parity_No) || \
170 ((PARITY) == USART_Parity_Even) || \
171 ((PARITY) == USART_Parity_Odd))
176 /** @defgroup USART_Mode
180 #define USART_Mode_Rx USART_CR1_RE
181 #define USART_Mode_Tx USART_CR1_TE
182 #define IS_USART_MODE(MODE) ((((MODE) & (uint32_t)0xFFFFFFF3) == 0x00) && \
183 ((MODE) != (uint32_t)0x00))
188 /** @defgroup USART_Hardware_Flow_Control
192 #define USART_HardwareFlowControl_None ((uint32_t)0x00000000)
193 #define USART_HardwareFlowControl_RTS USART_CR3_RTSE
194 #define USART_HardwareFlowControl_CTS USART_CR3_CTSE
195 #define USART_HardwareFlowControl_RTS_CTS (USART_CR3_RTSE | USART_CR3_CTSE)
196 #define IS_USART_HARDWARE_FLOW_CONTROL(CONTROL)\
197 (((CONTROL) == USART_HardwareFlowControl_None) || \
198 ((CONTROL) == USART_HardwareFlowControl_RTS) || \
199 ((CONTROL) == USART_HardwareFlowControl_CTS) || \
200 ((CONTROL) == USART_HardwareFlowControl_RTS_CTS))
205 /** @defgroup USART_Clock
209 #define USART_Clock_Disable ((uint32_t)0x00000000)
210 #define USART_Clock_Enable USART_CR2_CLKEN
211 #define IS_USART_CLOCK(CLOCK) (((CLOCK) == USART_Clock_Disable) || \
212 ((CLOCK) == USART_Clock_Enable))
217 /** @defgroup USART_Clock_Polarity
221 #define USART_CPOL_Low ((uint32_t)0x00000000)
222 #define USART_CPOL_High USART_CR2_CPOL
223 #define IS_USART_CPOL(CPOL) (((CPOL) == USART_CPOL_Low) || ((CPOL) == USART_CPOL_High))
229 /** @defgroup USART_Clock_Phase
233 #define USART_CPHA_1Edge ((uint32_t)0x00000000)
234 #define USART_CPHA_2Edge USART_CR2_CPHA
235 #define IS_USART_CPHA(CPHA) (((CPHA) == USART_CPHA_1Edge) || ((CPHA) == USART_CPHA_2Edge))
241 /** @defgroup USART_Last_Bit
245 #define USART_LastBit_Disable ((uint32_t)0x00000000)
246 #define USART_LastBit_Enable USART_CR2_LBCL
247 #define IS_USART_LASTBIT(LASTBIT) (((LASTBIT) == USART_LastBit_Disable) || \
248 ((LASTBIT) == USART_LastBit_Enable))
253 /** @defgroup USART_DMA_Requests
257 #define USART_DMAReq_Tx USART_CR3_DMAT
258 #define USART_DMAReq_Rx USART_CR3_DMAR
259 #define IS_USART_DMAREQ(DMAREQ) ((((DMAREQ) & (uint32_t)0xFFFFFF3F) == 0x00) && \
260 ((DMAREQ) != (uint32_t)0x00))
266 /** @defgroup USART_DMA_Recception_Error
270 #define USART_DMAOnError_Enable ((uint32_t)0x00000000)
271 #define USART_DMAOnError_Disable USART_CR3_DDRE
272 #define IS_USART_DMAONERROR(DMAERROR) (((DMAERROR) == USART_DMAOnError_Disable)|| \
273 ((DMAERROR) == USART_DMAOnError_Enable))
278 /** @defgroup USART_MuteMode_WakeUp_methods
282 #define USART_WakeUp_IdleLine ((uint32_t)0x00000000)
283 #define USART_WakeUp_AddressMark USART_CR1_WAKE
284 #define IS_USART_MUTEMODE_WAKEUP(WAKEUP) (((WAKEUP) == USART_WakeUp_IdleLine) || \
285 ((WAKEUP) == USART_WakeUp_AddressMark))
290 /** @defgroup USART_Address_Detection
294 #define USART_AddressLength_4b ((uint32_t)0x00000000)
295 #define USART_AddressLength_7b USART_CR2_ADDM7
296 #define IS_USART_ADDRESS_DETECTION(ADDRESS) (((ADDRESS) == USART_AddressLength_4b) || \
297 ((ADDRESS) == USART_AddressLength_7b))
302 /** @defgroup USART_StopMode_WakeUp_methods
306 #define USART_WakeUpSource_AddressMatch ((uint32_t)0x00000000)
307 #define USART_WakeUpSource_StartBit USART_CR3_WUS_1
308 #define USART_WakeUpSource_RXNE (uint32_t)(USART_CR3_WUS_0 | USART_CR3_WUS_1)
309 #define IS_USART_STOPMODE_WAKEUPSOURCE(SOURCE) (((SOURCE) == USART_WakeUpSource_AddressMatch) || \
310 ((SOURCE) == USART_WakeUpSource_StartBit) || \
311 ((SOURCE) == USART_WakeUpSource_RXNE))
316 /** @defgroup USART_LIN_Break_Detection_Length
320 #define USART_LINBreakDetectLength_10b ((uint32_t)0x00000000)
321 #define USART_LINBreakDetectLength_11b USART_CR2_LBDL
322 #define IS_USART_LIN_BREAK_DETECT_LENGTH(LENGTH) \
323 (((LENGTH) == USART_LINBreakDetectLength_10b) || \
324 ((LENGTH) == USART_LINBreakDetectLength_11b))
329 /** @defgroup USART_IrDA_Low_Power
333 #define USART_IrDAMode_LowPower USART_CR3_IRLP
334 #define USART_IrDAMode_Normal ((uint32_t)0x00000000)
335 #define IS_USART_IRDA_MODE(MODE) (((MODE) == USART_IrDAMode_LowPower) || \
336 ((MODE) == USART_IrDAMode_Normal))
341 /** @defgroup USART_DE_Polarity
345 #define USART_DEPolarity_High ((uint32_t)0x00000000)
346 #define USART_DEPolarity_Low USART_CR3_DEP
347 #define IS_USART_DE_POLARITY(POLARITY) (((POLARITY) == USART_DEPolarity_Low) || \
348 ((POLARITY) == USART_DEPolarity_High))
353 /** @defgroup USART_Inversion_Pins
357 #define USART_InvPin_Tx USART_CR2_TXINV
358 #define USART_InvPin_Rx USART_CR2_RXINV
359 #define IS_USART_INVERSTION_PIN(PIN) ((((PIN) & (uint32_t)0xFFFCFFFF) == 0x00) && \
360 ((PIN) != (uint32_t)0x00))
366 /** @defgroup USART_AutoBaudRate_Mode
370 #define USART_AutoBaudRate_StartBit ((uint32_t)0x00000000)
371 #define USART_AutoBaudRate_FallingEdge USART_CR2_ABRMODE_0
372 #define USART_AutoBaudRate_0x7FFrame USART_CR2_ABRMODE_1
373 #define USART_AutoBaudRate_0x55Frame (USART_CR2_ABRMODE_0 | USART_CR2_ABRMODE_1)
374 #define IS_USART_AUTOBAUDRATE_MODE(MODE) (((MODE) == USART_AutoBaudRate_StartBit) || \
375 ((MODE) == USART_AutoBaudRate_FallingEdge) || \
376 ((MODE) == USART_AutoBaudRate_0x7FFrame) || \
377 ((MODE) == USART_AutoBaudRate_0x55Frame))
382 /** @defgroup USART_OVR_DETECTION
386 #define USART_OVRDetection_Enable ((uint32_t)0x00000000)
387 #define USART_OVRDetection_Disable USART_CR3_OVRDIS
388 #define IS_USART_OVRDETECTION(OVR) (((OVR) == USART_OVRDetection_Enable)|| \
389 ((OVR) == USART_OVRDetection_Disable))
393 /** @defgroup USART_Request
397 #define USART_Request_ABRRQ USART_RQR_ABRRQ
398 #define USART_Request_SBKRQ USART_RQR_SBKRQ
399 #define USART_Request_MMRQ USART_RQR_MMRQ
400 #define USART_Request_RXFRQ USART_RQR_RXFRQ
401 #define USART_Request_TXFRQ USART_RQR_TXFRQ
403 #define IS_USART_REQUEST(REQUEST) (((REQUEST) == USART_Request_TXFRQ) || \
404 ((REQUEST) == USART_Request_RXFRQ) || \
405 ((REQUEST) == USART_Request_MMRQ) || \
406 ((REQUEST) == USART_Request_SBKRQ) || \
407 ((REQUEST) == USART_Request_ABRRQ))
412 /** @defgroup USART_Flags
415 #define USART_FLAG_REACK USART_ISR_REACK
416 #define USART_FLAG_TEACK USART_ISR_TEACK
417 #define USART_FLAG_WU USART_ISR_WUF
418 #define USART_FLAG_RWU USART_ISR_RWU
419 #define USART_FLAG_SBK USART_ISR_SBKF
420 #define USART_FLAG_CM USART_ISR_CMF
421 #define USART_FLAG_BUSY USART_ISR_BUSY
422 #define USART_FLAG_ABRF USART_ISR_ABRF
423 #define USART_FLAG_ABRE USART_ISR_ABRE
424 #define USART_FLAG_EOB USART_ISR_EOBF
425 #define USART_FLAG_RTO USART_ISR_RTOF
426 #define USART_FLAG_nCTSS USART_ISR_CTS
427 #define USART_FLAG_CTS USART_ISR_CTSIF
428 #define USART_FLAG_LBD USART_ISR_LBD
429 #define USART_FLAG_TXE USART_ISR_TXE
430 #define USART_FLAG_TC USART_ISR_TC
431 #define USART_FLAG_RXNE USART_ISR_RXNE
432 #define USART_FLAG_IDLE USART_ISR_IDLE
433 #define USART_FLAG_ORE USART_ISR_ORE
434 #define USART_FLAG_NE USART_ISR_NE
435 #define USART_FLAG_FE USART_ISR_FE
436 #define USART_FLAG_PE USART_ISR_PE
437 #define IS_USART_FLAG(FLAG) (((FLAG) == USART_FLAG_PE) || ((FLAG) == USART_FLAG_TXE) || \
438 ((FLAG) == USART_FLAG_TC) || ((FLAG) == USART_FLAG_RXNE) || \
439 ((FLAG) == USART_FLAG_IDLE) || ((FLAG) == USART_FLAG_LBD) || \
440 ((FLAG) == USART_FLAG_CTS) || ((FLAG) == USART_FLAG_ORE) || \
441 ((FLAG) == USART_FLAG_NE) || ((FLAG) == USART_FLAG_FE) || \
442 ((FLAG) == USART_FLAG_nCTSS) || ((FLAG) == USART_FLAG_RTO) || \
443 ((FLAG) == USART_FLAG_EOB) || ((FLAG) == USART_FLAG_ABRE) || \
444 ((FLAG) == USART_FLAG_ABRF) || ((FLAG) == USART_FLAG_BUSY) || \
445 ((FLAG) == USART_FLAG_CM) || ((FLAG) == USART_FLAG_SBK) || \
446 ((FLAG) == USART_FLAG_RWU) || ((FLAG) == USART_FLAG_WU) || \
447 ((FLAG) == USART_FLAG_TEACK)|| ((FLAG) == USART_FLAG_REACK))
449 #define IS_USART_CLEAR_FLAG(FLAG) (((FLAG) == USART_FLAG_WU) || ((FLAG) == USART_FLAG_TC) || \
450 ((FLAG) == USART_FLAG_IDLE) || ((FLAG) == USART_FLAG_ORE) || \
451 ((FLAG) == USART_FLAG_NE) || ((FLAG) == USART_FLAG_FE) || \
452 ((FLAG) == USART_FLAG_LBD) || ((FLAG) == USART_FLAG_CTS) || \
453 ((FLAG) == USART_FLAG_RTO) || ((FLAG) == USART_FLAG_EOB) || \
454 ((FLAG) == USART_FLAG_CM) || ((FLAG) == USART_FLAG_PE))
459 /** @defgroup USART_Interrupt_definition
460 * @brief USART Interrupt definition
461 * USART_IT possible values
462 * Elements values convention: 0xZZZZYYXX
463 * XX: Position of the corresponding Interrupt
465 * ZZZZ: Flag position
469 #define USART_IT_WU ((uint32_t)0x00140316)
470 #define USART_IT_CM ((uint32_t)0x0011010E)
471 #define USART_IT_EOB ((uint32_t)0x000C011B)
472 #define USART_IT_RTO ((uint32_t)0x000B011A)
473 #define USART_IT_PE ((uint32_t)0x00000108)
474 #define USART_IT_TXE ((uint32_t)0x00070107)
475 #define USART_IT_TC ((uint32_t)0x00060106)
476 #define USART_IT_RXNE ((uint32_t)0x00050105)
477 #define USART_IT_IDLE ((uint32_t)0x00040104)
478 #define USART_IT_LBD ((uint32_t)0x00080206)
479 #define USART_IT_CTS ((uint32_t)0x0009030A)
480 #define USART_IT_ERR ((uint32_t)0x00000300)
481 #define USART_IT_ORE ((uint32_t)0x00030300)
482 #define USART_IT_NE ((uint32_t)0x00020300)
483 #define USART_IT_FE ((uint32_t)0x00010300)
485 #define IS_USART_CONFIG_IT(IT) (((IT) == USART_IT_PE) || ((IT) == USART_IT_TXE) || \
486 ((IT) == USART_IT_TC) || ((IT) == USART_IT_RXNE) || \
487 ((IT) == USART_IT_IDLE) || ((IT) == USART_IT_LBD) || \
488 ((IT) == USART_IT_CTS) || ((IT) == USART_IT_ERR) || \
489 ((IT) == USART_IT_RTO) || ((IT) == USART_IT_EOB) || \
490 ((IT) == USART_IT_CM) || ((IT) == USART_IT_WU))
492 #define IS_USART_GET_IT(IT) (((IT) == USART_IT_PE) || ((IT) == USART_IT_TXE) || \
493 ((IT) == USART_IT_TC) || ((IT) == USART_IT_RXNE) || \
494 ((IT) == USART_IT_IDLE) || ((IT) == USART_IT_LBD) || \
495 ((IT) == USART_IT_CTS) || ((IT) == USART_IT_ORE) || \
496 ((IT) == USART_IT_NE) || ((IT) == USART_IT_FE) || \
497 ((IT) == USART_IT_RTO) || ((IT) == USART_IT_EOB) || \
498 ((IT) == USART_IT_CM) || ((IT) == USART_IT_WU))
500 #define IS_USART_CLEAR_IT(IT) (((IT) == USART_IT_TC) || ((IT) == USART_IT_PE) || \
501 ((IT) == USART_IT_FE) || ((IT) == USART_IT_NE) || \
502 ((IT) == USART_IT_ORE) || ((IT) == USART_IT_IDLE) || \
503 ((IT) == USART_IT_LBD) || ((IT) == USART_IT_CTS) || \
504 ((IT) == USART_IT_RTO) || ((IT) == USART_IT_EOB) || \
505 ((IT) == USART_IT_CM) || ((IT) == USART_IT_WU))
510 /** @defgroup USART_Global_definition
514 #define IS_USART_BAUDRATE(BAUDRATE) (((BAUDRATE) > 0) && ((BAUDRATE) < 0x005B8D81))
515 #define IS_USART_DE_ASSERTION_DEASSERTION_TIME(TIME) ((TIME) <= 0x1F)
516 #define IS_USART_AUTO_RETRY_COUNTER(COUNTER) ((COUNTER) <= 0x7)
517 #define IS_USART_TIMEOUT(TIMEOUT) ((TIMEOUT) <= 0x00FFFFFF)
518 #define IS_USART_DATA(DATA) ((DATA) <= 0x1FF)
528 /* Exported macro ------------------------------------------------------------*/
529 /* Exported functions ------------------------------------------------------- */
531 /* Initialization and Configuration functions *********************************/
532 void USART_DeInit(USART_TypeDef* USARTx);
533 void USART_Init(USART_TypeDef* USARTx, USART_InitTypeDef* USART_InitStruct);
534 void USART_StructInit(USART_InitTypeDef* USART_InitStruct);
535 void USART_ClockInit(USART_TypeDef* USARTx, USART_ClockInitTypeDef* USART_ClockInitStruct);
536 void USART_ClockStructInit(USART_ClockInitTypeDef* USART_ClockInitStruct);
537 void USART_Cmd(USART_TypeDef* USARTx, FunctionalState NewState);
538 void USART_DirectionModeCmd(USART_TypeDef* USARTx, uint32_t USART_DirectionMode, FunctionalState NewState);
539 void USART_SetPrescaler(USART_TypeDef* USARTx, uint8_t USART_Prescaler);
540 void USART_OverSampling8Cmd(USART_TypeDef* USARTx, FunctionalState NewState);
541 void USART_OneBitMethodCmd(USART_TypeDef* USARTx, FunctionalState NewState);
542 void USART_MSBFirstCmd(USART_TypeDef* USARTx, FunctionalState NewState);
543 void USART_DataInvCmd(USART_TypeDef* USARTx, FunctionalState NewState);
544 void USART_InvPinCmd(USART_TypeDef* USARTx, uint32_t USART_InvPin, FunctionalState NewState);
545 void USART_SWAPPinCmd(USART_TypeDef* USARTx, FunctionalState NewState);
546 void USART_ReceiverTimeOutCmd(USART_TypeDef* USARTx, FunctionalState NewState);
547 void USART_SetReceiverTimeOut(USART_TypeDef* USARTx, uint32_t USART_ReceiverTimeOut);
549 /* STOP Mode functions ********************************************************/
550 void USART_STOPModeCmd(USART_TypeDef* USARTx, FunctionalState NewState);
551 void USART_StopModeWakeUpSourceConfig(USART_TypeDef* USARTx, uint32_t USART_WakeUpSource);
553 /* AutoBaudRate functions *****************************************************/
554 void USART_AutoBaudRateCmd(USART_TypeDef* USARTx, FunctionalState NewState);
555 void USART_AutoBaudRateConfig(USART_TypeDef* USARTx, uint32_t USART_AutoBaudRate);
557 /* Data transfers functions ***************************************************/
558 void USART_SendData(USART_TypeDef* USARTx, uint16_t Data);
559 uint16_t USART_ReceiveData(USART_TypeDef* USARTx);
561 /* Multi-Processor Communication functions ************************************/
562 void USART_SetAddress(USART_TypeDef* USARTx, uint8_t USART_Address);
563 void USART_MuteModeWakeUpConfig(USART_TypeDef* USARTx, uint32_t USART_WakeUp);
564 void USART_MuteModeCmd(USART_TypeDef* USARTx, FunctionalState NewState);
565 void USART_AddressDetectionConfig(USART_TypeDef* USARTx, uint32_t USART_AddressLength);
566 /* LIN mode functions *********************************************************/
567 void USART_LINBreakDetectLengthConfig(USART_TypeDef* USARTx, uint32_t USART_LINBreakDetectLength);
568 void USART_LINCmd(USART_TypeDef* USARTx, FunctionalState NewState);
570 /* Half-duplex mode function **************************************************/
571 void USART_HalfDuplexCmd(USART_TypeDef* USARTx, FunctionalState NewState);
573 /* Smartcard mode functions ***************************************************/
574 void USART_SmartCardCmd(USART_TypeDef* USARTx, FunctionalState NewState);
575 void USART_SmartCardNACKCmd(USART_TypeDef* USARTx, FunctionalState NewState);
576 void USART_SetGuardTime(USART_TypeDef* USARTx, uint8_t USART_GuardTime);
577 void USART_SetAutoRetryCount(USART_TypeDef* USARTx, uint8_t USART_AutoCount);
578 void USART_SetBlockLength(USART_TypeDef* USARTx, uint8_t USART_BlockLength);
580 /* IrDA mode functions ********************************************************/
581 void USART_IrDAConfig(USART_TypeDef* USARTx, uint32_t USART_IrDAMode);
582 void USART_IrDACmd(USART_TypeDef* USARTx, FunctionalState NewState);
584 /* RS485 mode functions *******************************************************/
585 void USART_DECmd(USART_TypeDef* USARTx, FunctionalState NewState);
586 void USART_DEPolarityConfig(USART_TypeDef* USARTx, uint32_t USART_DEPolarity);
587 void USART_SetDEAssertionTime(USART_TypeDef* USARTx, uint32_t USART_DEAssertionTime);
588 void USART_SetDEDeassertionTime(USART_TypeDef* USARTx, uint32_t USART_DEDeassertionTime);
590 /* DMA transfers management functions *****************************************/
591 void USART_DMACmd(USART_TypeDef* USARTx, uint32_t USART_DMAReq, FunctionalState NewState);
592 void USART_DMAReceptionErrorConfig(USART_TypeDef* USARTx, uint32_t USART_DMAOnError);
594 /* Interrupts and flags management functions **********************************/
595 void USART_ITConfig(USART_TypeDef* USARTx, uint32_t USART_IT, FunctionalState NewState);
596 void USART_RequestCmd(USART_TypeDef* USARTx, uint32_t USART_Request, FunctionalState NewState);
597 void USART_OverrunDetectionConfig(USART_TypeDef* USARTx, uint32_t USART_OVRDetection);
598 FlagStatus USART_GetFlagStatus(USART_TypeDef* USARTx, uint32_t USART_FLAG);
599 void USART_ClearFlag(USART_TypeDef* USARTx, uint32_t USART_FLAG);
600 ITStatus USART_GetITStatus(USART_TypeDef* USARTx, uint32_t USART_IT);
601 void USART_ClearITPendingBit(USART_TypeDef* USARTx, uint32_t USART_IT);
607 #endif /* __STM32F30x_USART_H */
617 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/