WebSVN – AFRtranscoder – Blame – /trunk/Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_ll_usart.h

Rev	Author	Line No.	Line
2	mjames	1	/**
		2	******************************************************************************
		3	* @file stm32f1xx_ll_usart.h
		4	* @author MCD Application Team
		5	* @brief Header file of USART LL module.
		6	******************************************************************************
		7	* @attention
		8	*
		9	* Copyright (c) 2016 STMicroelectronics.
		10	* All rights reserved.
		11	*
		12	* This software is licensed under terms that can be found in the LICENSE file
		13	* in the root directory of this software component.
		14	* If no LICENSE file comes with this software, it is provided AS-IS.
		15	*
		16	******************************************************************************
		17	*/
		18
		19	/* Define to prevent recursive inclusion -------------------------------------*/
		20	#ifndef __STM32F1xx_LL_USART_H
		21	#define __STM32F1xx_LL_USART_H
		22
		23	#ifdef __cplusplus
		24	extern "C" {
		25	#endif
		26
		27	/* Includes ------------------------------------------------------------------*/
		28	#include "stm32f1xx.h"
		29
		30	/** @addtogroup STM32F1xx_LL_Driver
		31	* @{
		32	*/
		33
		34	#if defined (USART1) \|\| defined (USART2) \|\| defined (USART3) \|\| defined (UART4) \|\| defined (UART5)
		35
		36	/** @defgroup USART_LL USART
		37	* @{
		38	*/
		39
		40	/* Private types -------------------------------------------------------------*/
		41	/* Private variables ---------------------------------------------------------*/
		42
		43	/* Private constants ---------------------------------------------------------*/
		44	/** @defgroup USART_LL_Private_Constants USART Private Constants
		45	* @{
		46	*/
		47
		48	/* Defines used for the bit position in the register and perform offsets*/
		49	#define USART_POSITION_GTPR_GT USART_GTPR_GT_Pos
		50	/**
		51	* @}
		52	*/
		53
		54	/* Private macros ------------------------------------------------------------*/
		55	#if defined(USE_FULL_LL_DRIVER)
		56	/** @defgroup USART_LL_Private_Macros USART Private Macros
		57	* @{
		58	*/
		59	/**
		60	* @}
		61	*/
		62	#endif /USE_FULL_LL_DRIVER/
		63
		64	/* Exported types ------------------------------------------------------------*/
		65	#if defined(USE_FULL_LL_DRIVER)
		66	/** @defgroup USART_LL_ES_INIT USART Exported Init structures
		67	* @{
		68	*/
		69
		70	/**
		71	* @brief LL USART Init Structure definition
		72	*/
		73	typedef struct
		74	{
		75	uint32_t BaudRate; /*!< This field defines expected Usart communication baud rate.
		76
		77	This feature can be modified afterwards using unitary function @ref LL_USART_SetBaudRate().*/
		78
		79	uint32_t DataWidth; /*!< Specifies the number of data bits transmitted or received in a frame.
		80	This parameter can be a value of @ref USART_LL_EC_DATAWIDTH.
		81
		82	This feature can be modified afterwards using unitary function @ref LL_USART_SetDataWidth().*/
		83
		84	uint32_t StopBits; /*!< Specifies the number of stop bits transmitted.
		85	This parameter can be a value of @ref USART_LL_EC_STOPBITS.
		86
		87	This feature can be modified afterwards using unitary function @ref LL_USART_SetStopBitsLength().*/
		88
		89	uint32_t Parity; /*!< Specifies the parity mode.
		90	This parameter can be a value of @ref USART_LL_EC_PARITY.
		91
		92	This feature can be modified afterwards using unitary function @ref LL_USART_SetParity().*/
		93
		94	uint32_t TransferDirection; /*!< Specifies whether the Receive and/or Transmit mode is enabled or disabled.
		95	This parameter can be a value of @ref USART_LL_EC_DIRECTION.
		96
		97	This feature can be modified afterwards using unitary function @ref LL_USART_SetTransferDirection().*/
		98
		99	uint32_t HardwareFlowControl; /*!< Specifies whether the hardware flow control mode is enabled or disabled.
		100	This parameter can be a value of @ref USART_LL_EC_HWCONTROL.
		101
		102	This feature can be modified afterwards using unitary function @ref LL_USART_SetHWFlowCtrl().*/
		103
		104	uint32_t OverSampling; /*!< Specifies whether USART oversampling mode is 16 or 8.
		105	This parameter can be a value of @ref USART_LL_EC_OVERSAMPLING.
		106
		107	This feature can be modified afterwards using unitary function @ref LL_USART_SetOverSampling().*/
		108
		109	} LL_USART_InitTypeDef;
		110
		111	/**
		112	* @brief LL USART Clock Init Structure definition
		113	*/
		114	typedef struct
		115	{
		116	uint32_t ClockOutput; /*!< Specifies whether the USART clock is enabled or disabled.
		117	This parameter can be a value of @ref USART_LL_EC_CLOCK.
		118
		119	USART HW configuration can be modified afterwards using unitary functions
		120	@ref LL_USART_EnableSCLKOutput() or @ref LL_USART_DisableSCLKOutput().
		121	For more details, refer to description of this function. */
		122
		123	uint32_t ClockPolarity; /*!< Specifies the steady state of the serial clock.
		124	This parameter can be a value of @ref USART_LL_EC_POLARITY.
		125
		126	USART HW configuration can be modified afterwards using unitary functions @ref LL_USART_SetClockPolarity().
		127	For more details, refer to description of this function. */
		128
		129	uint32_t ClockPhase; /*!< Specifies the clock transition on which the bit capture is made.
		130	This parameter can be a value of @ref USART_LL_EC_PHASE.
		131
		132	USART HW configuration can be modified afterwards using unitary functions @ref LL_USART_SetClockPhase().
		133	For more details, refer to description of this function. */
		134
		135	uint32_t LastBitClockPulse; /*!< Specifies whether the clock pulse corresponding to the last transmitted
		136	data bit (MSB) has to be output on the SCLK pin in synchronous mode.
		137	This parameter can be a value of @ref USART_LL_EC_LASTCLKPULSE.
		138
		139	USART HW configuration can be modified afterwards using unitary functions @ref LL_USART_SetLastClkPulseOutput().
		140	For more details, refer to description of this function. */
		141
		142	} LL_USART_ClockInitTypeDef;
		143
		144	/**
		145	* @}
		146	*/
		147	#endif /* USE_FULL_LL_DRIVER */
		148
		149	/* Exported constants --------------------------------------------------------*/
		150	/** @defgroup USART_LL_Exported_Constants USART Exported Constants
		151	* @{
		152	*/
		153
		154	/** @defgroup USART_LL_EC_GET_FLAG Get Flags Defines
		155	* @brief Flags defines which can be used with LL_USART_ReadReg function
		156	* @{
		157	*/
		158	#define LL_USART_SR_PE USART_SR_PE /!< Parity error flag /
		159	#define LL_USART_SR_FE USART_SR_FE /!< Framing error flag /
		160	#define LL_USART_SR_NE USART_SR_NE /!< Noise detected flag /
		161	#define LL_USART_SR_ORE USART_SR_ORE /!< Overrun error flag /
		162	#define LL_USART_SR_IDLE USART_SR_IDLE /!< Idle line detected flag /
		163	#define LL_USART_SR_RXNE USART_SR_RXNE /!< Read data register not empty flag /
		164	#define LL_USART_SR_TC USART_SR_TC /!< Transmission complete flag /
		165	#define LL_USART_SR_TXE USART_SR_TXE /!< Transmit data register empty flag /
		166	#define LL_USART_SR_LBD USART_SR_LBD /!< LIN break detection flag /
		167	#define LL_USART_SR_CTS USART_SR_CTS /!< CTS flag /
		168	/**
		169	* @}
		170	*/
		171
		172	/** @defgroup USART_LL_EC_IT IT Defines
		173	* @brief IT defines which can be used with LL_USART_ReadReg and LL_USART_WriteReg functions
		174	* @{
		175	*/
		176	#define LL_USART_CR1_IDLEIE USART_CR1_IDLEIE /!< IDLE interrupt enable /
		177	#define LL_USART_CR1_RXNEIE USART_CR1_RXNEIE /!< Read data register not empty interrupt enable /
		178	#define LL_USART_CR1_TCIE USART_CR1_TCIE /!< Transmission complete interrupt enable /
		179	#define LL_USART_CR1_TXEIE USART_CR1_TXEIE /!< Transmit data register empty interrupt enable /
		180	#define LL_USART_CR1_PEIE USART_CR1_PEIE /!< Parity error /
		181	#define LL_USART_CR2_LBDIE USART_CR2_LBDIE /!< LIN break detection interrupt enable /
		182	#define LL_USART_CR3_EIE USART_CR3_EIE /!< Error interrupt enable /
		183	#define LL_USART_CR3_CTSIE USART_CR3_CTSIE /!< CTS interrupt enable /
		184	/**
		185	* @}
		186	*/
		187
		188	/** @defgroup USART_LL_EC_DIRECTION Communication Direction
		189	* @{
		190	*/
		191	#define LL_USART_DIRECTION_NONE 0x00000000U /!< Transmitter and Receiver are disabled /
		192	#define LL_USART_DIRECTION_RX USART_CR1_RE /!< Transmitter is disabled and Receiver is enabled /
		193	#define LL_USART_DIRECTION_TX USART_CR1_TE /!< Transmitter is enabled and Receiver is disabled /
		194	#define LL_USART_DIRECTION_TX_RX (USART_CR1_TE \|USART_CR1_RE) /!< Transmitter and Receiver are enabled /
		195	/**
		196	* @}
		197	*/
		198
		199	/** @defgroup USART_LL_EC_PARITY Parity Control
		200	* @{
		201	*/
		202	#define LL_USART_PARITY_NONE 0x00000000U /!< Parity control disabled /
		203	#define LL_USART_PARITY_EVEN USART_CR1_PCE /!< Parity control enabled and Even Parity is selected /
		204	#define LL_USART_PARITY_ODD (USART_CR1_PCE \| USART_CR1_PS) /!< Parity control enabled and Odd Parity is selected /
		205	/**
		206	* @}
		207	*/
		208
		209	/** @defgroup USART_LL_EC_WAKEUP Wakeup
		210	* @{
		211	*/
		212	#define LL_USART_WAKEUP_IDLELINE 0x00000000U /!< USART wake up from Mute mode on Idle Line /
		213	#define LL_USART_WAKEUP_ADDRESSMARK USART_CR1_WAKE /!< USART wake up from Mute mode on Address Mark /
		214	/**
		215	* @}
		216	*/
		217
		218	/** @defgroup USART_LL_EC_DATAWIDTH Datawidth
		219	* @{
		220	*/
		221	#define LL_USART_DATAWIDTH_8B 0x00000000U /!< 8 bits word length : Start bit, 8 data bits, n stop bits /
		222	#define LL_USART_DATAWIDTH_9B USART_CR1_M /!< 9 bits word length : Start bit, 9 data bits, n stop bits /
		223	/**
		224	* @}
		225	*/
		226
		227	/** @defgroup USART_LL_EC_OVERSAMPLING Oversampling
		228	* @{
		229	*/
		230	#define LL_USART_OVERSAMPLING_16 0x00000000U /!< Oversampling by 16 /
		231	#if defined(USART_CR1_OVER8)
		232	#define LL_USART_OVERSAMPLING_8 USART_CR1_OVER8 /!< Oversampling by 8 /
		233	#endif /* USART_OverSampling_Feature */
		234	/**
		235	* @}
		236	*/
		237
		238	#if defined(USE_FULL_LL_DRIVER)
		239	/** @defgroup USART_LL_EC_CLOCK Clock Signal
		240	* @{
		241	*/
		242
		243	#define LL_USART_CLOCK_DISABLE 0x00000000U /!< Clock signal not provided /
		244	#define LL_USART_CLOCK_ENABLE USART_CR2_CLKEN /!< Clock signal provided /
		245	/**
		246	* @}
		247	*/
		248	#endif /USE_FULL_LL_DRIVER/
		249
		250	/** @defgroup USART_LL_EC_LASTCLKPULSE Last Clock Pulse
		251	* @{
		252	*/
		253	#define LL_USART_LASTCLKPULSE_NO_OUTPUT 0x00000000U /!< The clock pulse of the last data bit is not output to the SCLK pin /
		254	#define LL_USART_LASTCLKPULSE_OUTPUT USART_CR2_LBCL /!< The clock pulse of the last data bit is output to the SCLK pin /
		255	/**
		256	* @}
		257	*/
		258
		259	/** @defgroup USART_LL_EC_PHASE Clock Phase
		260	* @{
		261	*/
		262	#define LL_USART_PHASE_1EDGE 0x00000000U /!< The first clock transition is the first data capture edge /
		263	#define LL_USART_PHASE_2EDGE USART_CR2_CPHA /!< The second clock transition is the first data capture edge /
		264	/**
		265	* @}
		266	*/
		267
		268	/** @defgroup USART_LL_EC_POLARITY Clock Polarity
		269	* @{
		270	*/
		271	#define LL_USART_POLARITY_LOW 0x00000000U /!< Steady low value on SCLK pin outside transmission window/
		272	#define LL_USART_POLARITY_HIGH USART_CR2_CPOL /!< Steady high value on SCLK pin outside transmission window /
		273	/**
		274	* @}
		275	*/
		276
		277	/** @defgroup USART_LL_EC_STOPBITS Stop Bits
		278	* @{
		279	*/
		280	#define LL_USART_STOPBITS_0_5 USART_CR2_STOP_0 /!< 0.5 stop bit /
		281	#define LL_USART_STOPBITS_1 0x00000000U /!< 1 stop bit /
		282	#define LL_USART_STOPBITS_1_5 (USART_CR2_STOP_0 \| USART_CR2_STOP_1) /!< 1.5 stop bits /
		283	#define LL_USART_STOPBITS_2 USART_CR2_STOP_1 /!< 2 stop bits /
		284	/**
		285	* @}
		286	*/
		287
		288	/** @defgroup USART_LL_EC_HWCONTROL Hardware Control
		289	* @{
		290	*/
		291	#define LL_USART_HWCONTROL_NONE 0x00000000U /!< CTS and RTS hardware flow control disabled /
		292	#define LL_USART_HWCONTROL_RTS USART_CR3_RTSE /!< RTS output enabled, data is only requested when there is space in the receive buffer /
		293	#define LL_USART_HWCONTROL_CTS USART_CR3_CTSE /!< CTS mode enabled, data is only transmitted when the nCTS input is asserted (tied to 0) /
		294	#define LL_USART_HWCONTROL_RTS_CTS (USART_CR3_RTSE \| USART_CR3_CTSE) /!< CTS and RTS hardware flow control enabled /
		295	/**
		296	* @}
		297	*/
		298
		299	/** @defgroup USART_LL_EC_IRDA_POWER IrDA Power
		300	* @{
		301	*/
		302	#define LL_USART_IRDA_POWER_NORMAL 0x00000000U /!< IrDA normal power mode /
		303	#define LL_USART_IRDA_POWER_LOW USART_CR3_IRLP /!< IrDA low power mode /
		304	/**
		305	* @}
		306	*/
		307
		308	/** @defgroup USART_LL_EC_LINBREAK_DETECT LIN Break Detection Length
		309	* @{
		310	*/
		311	#define LL_USART_LINBREAK_DETECT_10B 0x00000000U /!< 10-bit break detection method selected /
		312	#define LL_USART_LINBREAK_DETECT_11B USART_CR2_LBDL /!< 11-bit break detection method selected /
		313	/**
		314	* @}
		315	*/
		316
		317	/**
		318	* @}
		319	*/
		320
		321	/* Exported macro ------------------------------------------------------------*/
		322	/** @defgroup USART_LL_Exported_Macros USART Exported Macros
		323	* @{
		324	*/
		325
		326	/** @defgroup USART_LL_EM_WRITE_READ Common Write and read registers Macros
		327	* @{
		328	*/
		329
		330	/**
		331	* @brief Write a value in USART register
		332	* @param __INSTANCE__ USART Instance
		333	* @param __REG__ Register to be written
		334	* @param __VALUE__ Value to be written in the register
		335	* @retval None
		336	*/
		337	#define LL_USART_WriteReg(__INSTANCE__, __REG__, __VALUE__) WRITE_REG(__INSTANCE__->__REG__, (__VALUE__))
		338
		339	/**
		340	* @brief Read a value in USART register
		341	* @param __INSTANCE__ USART Instance
		342	* @param __REG__ Register to be read
		343	* @retval Register value
		344	*/
		345	#define LL_USART_ReadReg(__INSTANCE__, __REG__) READ_REG(__INSTANCE__->__REG__)
		346	/**
		347	* @}
		348	*/
		349
		350	/** @defgroup USART_LL_EM_Exported_Macros_Helper Exported_Macros_Helper
		351	* @{
		352	*/
		353
		354	/**
		355	* @brief Compute USARTDIV value according to Peripheral Clock and
		356	* expected Baud Rate in 8 bits sampling mode (32 bits value of USARTDIV is returned)
		357	* @param __PERIPHCLK__ Peripheral Clock frequency used for USART instance
		358	* @param __BAUDRATE__ Baud rate value to achieve
		359	* @retval USARTDIV value to be used for BRR register filling in OverSampling_8 case
		360	*/
		361	#define __LL_USART_DIV_SAMPLING8_100(__PERIPHCLK__, __BAUDRATE__) (((__PERIPHCLK__)25)/(2(__BAUDRATE__)))
		362	#define __LL_USART_DIVMANT_SAMPLING8(__PERIPHCLK__, __BAUDRATE__) (__LL_USART_DIV_SAMPLING8_100((__PERIPHCLK__), (__BAUDRATE__))/100)
		363	#define __LL_USART_DIVFRAQ_SAMPLING8(__PERIPHCLK__, __BAUDRATE__) (((__LL_USART_DIV_SAMPLING8_100((__PERIPHCLK__), (__BAUDRATE__)) - (__LL_USART_DIVMANT_SAMPLING8((__PERIPHCLK__), (__BAUDRATE__)) * 100)) * 8\
		364	+ 50) / 100)
		365	/* UART BRR = mantissa + overflow + fraction
		366	= (UART DIVMANT << 4) + ((UART DIVFRAQ & 0xF8) << 1) + (UART DIVFRAQ & 0x07) */
		367	#define __LL_USART_DIV_SAMPLING8(__PERIPHCLK__, __BAUDRATE__) (((__LL_USART_DIVMANT_SAMPLING8((__PERIPHCLK__), (__BAUDRATE__)) << 4) + \
		368	((__LL_USART_DIVFRAQ_SAMPLING8((__PERIPHCLK__), (__BAUDRATE__)) & 0xF8) << 1)) + \
		369	(__LL_USART_DIVFRAQ_SAMPLING8((__PERIPHCLK__), (__BAUDRATE__)) & 0x07))
		370
		371	/**
		372	* @brief Compute USARTDIV value according to Peripheral Clock and
		373	* expected Baud Rate in 16 bits sampling mode (32 bits value of USARTDIV is returned)
		374	* @param __PERIPHCLK__ Peripheral Clock frequency used for USART instance
		375	* @param __BAUDRATE__ Baud rate value to achieve
		376	* @retval USARTDIV value to be used for BRR register filling in OverSampling_16 case
		377	*/
		378	#define __LL_USART_DIV_SAMPLING16_100(__PERIPHCLK__, __BAUDRATE__) (((__PERIPHCLK__)25)/(4(__BAUDRATE__)))
		379	#define __LL_USART_DIVMANT_SAMPLING16(__PERIPHCLK__, __BAUDRATE__) (__LL_USART_DIV_SAMPLING16_100((__PERIPHCLK__), (__BAUDRATE__))/100)
		380	#define __LL_USART_DIVFRAQ_SAMPLING16(__PERIPHCLK__, __BAUDRATE__) ((((__LL_USART_DIV_SAMPLING16_100((__PERIPHCLK__), (__BAUDRATE__)) - (__LL_USART_DIVMANT_SAMPLING16((__PERIPHCLK__), (__BAUDRATE__)) * 100)) * 16)\
		381	+ 50) / 100)
		382	/* USART BRR = mantissa + overflow + fraction
		383	= (USART DIVMANT << 4) + (USART DIVFRAQ & 0xF0) + (USART DIVFRAQ & 0x0F) */
		384	#define __LL_USART_DIV_SAMPLING16(__PERIPHCLK__, __BAUDRATE__) (((__LL_USART_DIVMANT_SAMPLING16((__PERIPHCLK__), (__BAUDRATE__)) << 4) + \
		385	(__LL_USART_DIVFRAQ_SAMPLING16((__PERIPHCLK__), (__BAUDRATE__)) & 0xF0)) + \
		386	(__LL_USART_DIVFRAQ_SAMPLING16((__PERIPHCLK__), (__BAUDRATE__)) & 0x0F))
		387
		388	/**
		389	* @}
		390	*/
		391
		392	/**
		393	* @}
		394	*/
		395
		396	/* Exported functions --------------------------------------------------------*/
		397
		398	/** @defgroup USART_LL_Exported_Functions USART Exported Functions
		399	* @{
		400	*/
		401
		402	/** @defgroup USART_LL_EF_Configuration Configuration functions
		403	* @{
		404	*/
		405
		406	/**
		407	* @brief USART Enable
		408	* @rmtoll CR1 UE LL_USART_Enable
		409	* @param USARTx USART Instance
		410	* @retval None
		411	*/
		412	__STATIC_INLINE void LL_USART_Enable(USART_TypeDef *USARTx)
		413	{
		414	SET_BIT(USARTx->CR1, USART_CR1_UE);
		415	}
		416
		417	/**
		418	* @brief USART Disable (all USART prescalers and outputs are disabled)
		419	* @note When USART is disabled, USART prescalers and outputs are stopped immediately,
		420	* and current operations are discarded. The configuration of the USART is kept, but all the status
		421	* flags, in the USARTx_SR are set to their default values.
		422	* @rmtoll CR1 UE LL_USART_Disable
		423	* @param USARTx USART Instance
		424	* @retval None
		425	*/
		426	__STATIC_INLINE void LL_USART_Disable(USART_TypeDef *USARTx)
		427	{
		428	CLEAR_BIT(USARTx->CR1, USART_CR1_UE);
		429	}
		430
		431	/**
		432	* @brief Indicate if USART is enabled
		433	* @rmtoll CR1 UE LL_USART_IsEnabled
		434	* @param USARTx USART Instance
		435	* @retval State of bit (1 or 0).
		436	*/
		437	__STATIC_INLINE uint32_t LL_USART_IsEnabled(const USART_TypeDef *USARTx)
		438	{
		439	return (READ_BIT(USARTx->CR1, USART_CR1_UE) == (USART_CR1_UE));
		440	}
		441
		442	/**
		443	* @brief Receiver Enable (Receiver is enabled and begins searching for a start bit)
		444	* @rmtoll CR1 RE LL_USART_EnableDirectionRx
		445	* @param USARTx USART Instance
		446	* @retval None
		447	*/
		448	__STATIC_INLINE void LL_USART_EnableDirectionRx(USART_TypeDef *USARTx)
		449	{
		450	ATOMIC_SET_BIT(USARTx->CR1, USART_CR1_RE);
		451	}
		452
		453	/**
		454	* @brief Receiver Disable
		455	* @rmtoll CR1 RE LL_USART_DisableDirectionRx
		456	* @param USARTx USART Instance
		457	* @retval None
		458	*/
		459	__STATIC_INLINE void LL_USART_DisableDirectionRx(USART_TypeDef *USARTx)
		460	{
		461	ATOMIC_CLEAR_BIT(USARTx->CR1, USART_CR1_RE);
		462	}
		463
		464	/**
		465	* @brief Transmitter Enable
		466	* @rmtoll CR1 TE LL_USART_EnableDirectionTx
		467	* @param USARTx USART Instance
		468	* @retval None
		469	*/
		470	__STATIC_INLINE void LL_USART_EnableDirectionTx(USART_TypeDef *USARTx)
		471	{
		472	ATOMIC_SET_BIT(USARTx->CR1, USART_CR1_TE);
		473	}
		474
		475	/**
		476	* @brief Transmitter Disable
		477	* @rmtoll CR1 TE LL_USART_DisableDirectionTx
		478	* @param USARTx USART Instance
		479	* @retval None
		480	*/
		481	__STATIC_INLINE void LL_USART_DisableDirectionTx(USART_TypeDef *USARTx)
		482	{
		483	ATOMIC_CLEAR_BIT(USARTx->CR1, USART_CR1_TE);
		484	}
		485
		486	/**
		487	* @brief Configure simultaneously enabled/disabled states
		488	* of Transmitter and Receiver
		489	* @rmtoll CR1 RE LL_USART_SetTransferDirection\n
		490	* CR1 TE LL_USART_SetTransferDirection
		491	* @param USARTx USART Instance
		492	* @param TransferDirection This parameter can be one of the following values:
		493	* @arg @ref LL_USART_DIRECTION_NONE
		494	* @arg @ref LL_USART_DIRECTION_RX
		495	* @arg @ref LL_USART_DIRECTION_TX
		496	* @arg @ref LL_USART_DIRECTION_TX_RX
		497	* @retval None
		498	*/
		499	__STATIC_INLINE void LL_USART_SetTransferDirection(USART_TypeDef *USARTx, uint32_t TransferDirection)
		500	{
		501	ATOMIC_MODIFY_REG(USARTx->CR1, USART_CR1_RE \| USART_CR1_TE, TransferDirection);
		502	}
		503
		504	/**
		505	* @brief Return enabled/disabled states of Transmitter and Receiver
		506	* @rmtoll CR1 RE LL_USART_GetTransferDirection\n
		507	* CR1 TE LL_USART_GetTransferDirection
		508	* @param USARTx USART Instance
		509	* @retval Returned value can be one of the following values:
		510	* @arg @ref LL_USART_DIRECTION_NONE
		511	* @arg @ref LL_USART_DIRECTION_RX
		512	* @arg @ref LL_USART_DIRECTION_TX
		513	* @arg @ref LL_USART_DIRECTION_TX_RX
		514	*/
		515	__STATIC_INLINE uint32_t LL_USART_GetTransferDirection(const USART_TypeDef *USARTx)
		516	{
		517	return (uint32_t)(READ_BIT(USARTx->CR1, USART_CR1_RE \| USART_CR1_TE));
		518	}
		519
		520	/**
		521	* @brief Configure Parity (enabled/disabled and parity mode if enabled).
		522	* @note This function selects if hardware parity control (generation and detection) is enabled or disabled.
		523	* When the parity control is enabled (Odd or Even), computed parity bit is inserted at the MSB position
		524	* (9th or 8th bit depending on data width) and parity is checked on the received data.
		525	* @rmtoll CR1 PS LL_USART_SetParity\n
		526	* CR1 PCE LL_USART_SetParity
		527	* @param USARTx USART Instance
		528	* @param Parity This parameter can be one of the following values:
		529	* @arg @ref LL_USART_PARITY_NONE
		530	* @arg @ref LL_USART_PARITY_EVEN
		531	* @arg @ref LL_USART_PARITY_ODD
		532	* @retval None
		533	*/
		534	__STATIC_INLINE void LL_USART_SetParity(USART_TypeDef *USARTx, uint32_t Parity)
		535	{
		536	MODIFY_REG(USARTx->CR1, USART_CR1_PS \| USART_CR1_PCE, Parity);
		537	}
		538
		539	/**
		540	* @brief Return Parity configuration (enabled/disabled and parity mode if enabled)
		541	* @rmtoll CR1 PS LL_USART_GetParity\n
		542	* CR1 PCE LL_USART_GetParity
		543	* @param USARTx USART Instance
		544	* @retval Returned value can be one of the following values:
		545	* @arg @ref LL_USART_PARITY_NONE
		546	* @arg @ref LL_USART_PARITY_EVEN
		547	* @arg @ref LL_USART_PARITY_ODD
		548	*/
		549	__STATIC_INLINE uint32_t LL_USART_GetParity(const USART_TypeDef *USARTx)
		550	{
		551	return (uint32_t)(READ_BIT(USARTx->CR1, USART_CR1_PS \| USART_CR1_PCE));
		552	}
		553
		554	/**
		555	* @brief Set Receiver Wake Up method from Mute mode.
		556	* @rmtoll CR1 WAKE LL_USART_SetWakeUpMethod
		557	* @param USARTx USART Instance
		558	* @param Method This parameter can be one of the following values:
		559	* @arg @ref LL_USART_WAKEUP_IDLELINE
		560	* @arg @ref LL_USART_WAKEUP_ADDRESSMARK
		561	* @retval None
		562	*/
		563	__STATIC_INLINE void LL_USART_SetWakeUpMethod(USART_TypeDef *USARTx, uint32_t Method)
		564	{
		565	MODIFY_REG(USARTx->CR1, USART_CR1_WAKE, Method);
		566	}
		567
		568	/**
		569	* @brief Return Receiver Wake Up method from Mute mode
		570	* @rmtoll CR1 WAKE LL_USART_GetWakeUpMethod
		571	* @param USARTx USART Instance
		572	* @retval Returned value can be one of the following values:
		573	* @arg @ref LL_USART_WAKEUP_IDLELINE
		574	* @arg @ref LL_USART_WAKEUP_ADDRESSMARK
		575	*/
		576	__STATIC_INLINE uint32_t LL_USART_GetWakeUpMethod(const USART_TypeDef *USARTx)
		577	{
		578	return (uint32_t)(READ_BIT(USARTx->CR1, USART_CR1_WAKE));
		579	}
		580
		581	/**
		582	* @brief Set Word length (i.e. nb of data bits, excluding start and stop bits)
		583	* @rmtoll CR1 M LL_USART_SetDataWidth
		584	* @param USARTx USART Instance
		585	* @param DataWidth This parameter can be one of the following values:
		586	* @arg @ref LL_USART_DATAWIDTH_8B
		587	* @arg @ref LL_USART_DATAWIDTH_9B
		588	* @retval None
		589	*/
		590	__STATIC_INLINE void LL_USART_SetDataWidth(USART_TypeDef *USARTx, uint32_t DataWidth)
		591	{
		592	MODIFY_REG(USARTx->CR1, USART_CR1_M, DataWidth);
		593	}
		594
		595	/**
		596	* @brief Return Word length (i.e. nb of data bits, excluding start and stop bits)
		597	* @rmtoll CR1 M LL_USART_GetDataWidth
		598	* @param USARTx USART Instance
		599	* @retval Returned value can be one of the following values:
		600	* @arg @ref LL_USART_DATAWIDTH_8B
		601	* @arg @ref LL_USART_DATAWIDTH_9B
		602	*/
		603	__STATIC_INLINE uint32_t LL_USART_GetDataWidth(const USART_TypeDef *USARTx)
		604	{
		605	return (uint32_t)(READ_BIT(USARTx->CR1, USART_CR1_M));
		606	}
		607
		608	#if defined(USART_CR1_OVER8)
		609	/**
		610	* @brief Set Oversampling to 8-bit or 16-bit mode
		611	* @rmtoll CR1 OVER8 LL_USART_SetOverSampling
		612	* @param USARTx USART Instance
		613	* @param OverSampling This parameter can be one of the following values:
		614	* @arg @ref LL_USART_OVERSAMPLING_16
		615	* @arg @ref LL_USART_OVERSAMPLING_8
		616	* @retval None
		617	*/
		618	__STATIC_INLINE void LL_USART_SetOverSampling(USART_TypeDef *USARTx, uint32_t OverSampling)
		619	{
		620	MODIFY_REG(USARTx->CR1, USART_CR1_OVER8, OverSampling);
		621	}
		622
		623	/**
		624	* @brief Return Oversampling mode
		625	* @rmtoll CR1 OVER8 LL_USART_GetOverSampling
		626	* @param USARTx USART Instance
		627	* @retval Returned value can be one of the following values:
		628	* @arg @ref LL_USART_OVERSAMPLING_16
		629	* @arg @ref LL_USART_OVERSAMPLING_8
		630	*/
		631	__STATIC_INLINE uint32_t LL_USART_GetOverSampling(const USART_TypeDef *USARTx)
		632	{
		633	return (uint32_t)(READ_BIT(USARTx->CR1, USART_CR1_OVER8));
		634	}
		635
		636	#endif /* USART_OverSampling_Feature */
		637	/**
		638	* @brief Configure if Clock pulse of the last data bit is output to the SCLK pin or not
		639	* @note Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not
		640	* Synchronous mode is supported by the USARTx instance.
		641	* @rmtoll CR2 LBCL LL_USART_SetLastClkPulseOutput
		642	* @param USARTx USART Instance
		643	* @param LastBitClockPulse This parameter can be one of the following values:
		644	* @arg @ref LL_USART_LASTCLKPULSE_NO_OUTPUT
		645	* @arg @ref LL_USART_LASTCLKPULSE_OUTPUT
		646	* @retval None
		647	*/
		648	__STATIC_INLINE void LL_USART_SetLastClkPulseOutput(USART_TypeDef *USARTx, uint32_t LastBitClockPulse)
		649	{
		650	MODIFY_REG(USARTx->CR2, USART_CR2_LBCL, LastBitClockPulse);
		651	}
		652
		653	/**
		654	* @brief Retrieve Clock pulse of the last data bit output configuration
		655	* (Last bit Clock pulse output to the SCLK pin or not)
		656	* @note Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not
		657	* Synchronous mode is supported by the USARTx instance.
		658	* @rmtoll CR2 LBCL LL_USART_GetLastClkPulseOutput
		659	* @param USARTx USART Instance
		660	* @retval Returned value can be one of the following values:
		661	* @arg @ref LL_USART_LASTCLKPULSE_NO_OUTPUT
		662	* @arg @ref LL_USART_LASTCLKPULSE_OUTPUT
		663	*/
		664	__STATIC_INLINE uint32_t LL_USART_GetLastClkPulseOutput(const USART_TypeDef *USARTx)
		665	{
		666	return (uint32_t)(READ_BIT(USARTx->CR2, USART_CR2_LBCL));
		667	}
		668
		669	/**
		670	* @brief Select the phase of the clock output on the SCLK pin in synchronous mode
		671	* @note Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not
		672	* Synchronous mode is supported by the USARTx instance.
		673	* @rmtoll CR2 CPHA LL_USART_SetClockPhase
		674	* @param USARTx USART Instance
		675	* @param ClockPhase This parameter can be one of the following values:
		676	* @arg @ref LL_USART_PHASE_1EDGE
		677	* @arg @ref LL_USART_PHASE_2EDGE
		678	* @retval None
		679	*/
		680	__STATIC_INLINE void LL_USART_SetClockPhase(USART_TypeDef *USARTx, uint32_t ClockPhase)
		681	{
		682	MODIFY_REG(USARTx->CR2, USART_CR2_CPHA, ClockPhase);
		683	}
		684
		685	/**
		686	* @brief Return phase of the clock output on the SCLK pin in synchronous mode
		687	* @note Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not
		688	* Synchronous mode is supported by the USARTx instance.
		689	* @rmtoll CR2 CPHA LL_USART_GetClockPhase
		690	* @param USARTx USART Instance
		691	* @retval Returned value can be one of the following values:
		692	* @arg @ref LL_USART_PHASE_1EDGE
		693	* @arg @ref LL_USART_PHASE_2EDGE
		694	*/
		695	__STATIC_INLINE uint32_t LL_USART_GetClockPhase(const USART_TypeDef *USARTx)
		696	{
		697	return (uint32_t)(READ_BIT(USARTx->CR2, USART_CR2_CPHA));
		698	}
		699
		700	/**
		701	* @brief Select the polarity of the clock output on the SCLK pin in synchronous mode
		702	* @note Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not
		703	* Synchronous mode is supported by the USARTx instance.
		704	* @rmtoll CR2 CPOL LL_USART_SetClockPolarity
		705	* @param USARTx USART Instance
		706	* @param ClockPolarity This parameter can be one of the following values:
		707	* @arg @ref LL_USART_POLARITY_LOW
		708	* @arg @ref LL_USART_POLARITY_HIGH
		709	* @retval None
		710	*/
		711	__STATIC_INLINE void LL_USART_SetClockPolarity(USART_TypeDef *USARTx, uint32_t ClockPolarity)
		712	{
		713	MODIFY_REG(USARTx->CR2, USART_CR2_CPOL, ClockPolarity);
		714	}
		715
		716	/**
		717	* @brief Return polarity of the clock output on the SCLK pin in synchronous mode
		718	* @note Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not
		719	* Synchronous mode is supported by the USARTx instance.
		720	* @rmtoll CR2 CPOL LL_USART_GetClockPolarity
		721	* @param USARTx USART Instance
		722	* @retval Returned value can be one of the following values:
		723	* @arg @ref LL_USART_POLARITY_LOW
		724	* @arg @ref LL_USART_POLARITY_HIGH
		725	*/
		726	__STATIC_INLINE uint32_t LL_USART_GetClockPolarity(const USART_TypeDef *USARTx)
		727	{
		728	return (uint32_t)(READ_BIT(USARTx->CR2, USART_CR2_CPOL));
		729	}
		730
		731	/**
		732	* @brief Configure Clock signal format (Phase Polarity and choice about output of last bit clock pulse)
		733	* @note Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not
		734	* Synchronous mode is supported by the USARTx instance.
		735	* @note Call of this function is equivalent to following function call sequence :
		736	* - Clock Phase configuration using @ref LL_USART_SetClockPhase() function
		737	* - Clock Polarity configuration using @ref LL_USART_SetClockPolarity() function
		738	* - Output of Last bit Clock pulse configuration using @ref LL_USART_SetLastClkPulseOutput() function
		739	* @rmtoll CR2 CPHA LL_USART_ConfigClock\n
		740	* CR2 CPOL LL_USART_ConfigClock\n
		741	* CR2 LBCL LL_USART_ConfigClock
		742	* @param USARTx USART Instance
		743	* @param Phase This parameter can be one of the following values:
		744	* @arg @ref LL_USART_PHASE_1EDGE
		745	* @arg @ref LL_USART_PHASE_2EDGE
		746	* @param Polarity This parameter can be one of the following values:
		747	* @arg @ref LL_USART_POLARITY_LOW
		748	* @arg @ref LL_USART_POLARITY_HIGH
		749	* @param LBCPOutput This parameter can be one of the following values:
		750	* @arg @ref LL_USART_LASTCLKPULSE_NO_OUTPUT
		751	* @arg @ref LL_USART_LASTCLKPULSE_OUTPUT
		752	* @retval None
		753	*/
		754	__STATIC_INLINE void LL_USART_ConfigClock(USART_TypeDef *USARTx, uint32_t Phase, uint32_t Polarity, uint32_t LBCPOutput)
		755	{
		756	MODIFY_REG(USARTx->CR2, USART_CR2_CPHA \| USART_CR2_CPOL \| USART_CR2_LBCL, Phase \| Polarity \| LBCPOutput);
		757	}
		758
		759	/**
		760	* @brief Enable Clock output on SCLK pin
		761	* @note Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not
		762	* Synchronous mode is supported by the USARTx instance.
		763	* @rmtoll CR2 CLKEN LL_USART_EnableSCLKOutput
		764	* @param USARTx USART Instance
		765	* @retval None
		766	*/
		767	__STATIC_INLINE void LL_USART_EnableSCLKOutput(USART_TypeDef *USARTx)
		768	{
		769	SET_BIT(USARTx->CR2, USART_CR2_CLKEN);
		770	}
		771
		772	/**
		773	* @brief Disable Clock output on SCLK pin
		774	* @note Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not
		775	* Synchronous mode is supported by the USARTx instance.
		776	* @rmtoll CR2 CLKEN LL_USART_DisableSCLKOutput
		777	* @param USARTx USART Instance
		778	* @retval None
		779	*/
		780	__STATIC_INLINE void LL_USART_DisableSCLKOutput(USART_TypeDef *USARTx)
		781	{
		782	CLEAR_BIT(USARTx->CR2, USART_CR2_CLKEN);
		783	}
		784
		785	/**
		786	* @brief Indicate if Clock output on SCLK pin is enabled
		787	* @note Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not
		788	* Synchronous mode is supported by the USARTx instance.
		789	* @rmtoll CR2 CLKEN LL_USART_IsEnabledSCLKOutput
		790	* @param USARTx USART Instance
		791	* @retval State of bit (1 or 0).
		792	*/
		793	__STATIC_INLINE uint32_t LL_USART_IsEnabledSCLKOutput(const USART_TypeDef *USARTx)
		794	{
		795	return (READ_BIT(USARTx->CR2, USART_CR2_CLKEN) == (USART_CR2_CLKEN));
		796	}
		797
		798	/**
		799	* @brief Set the length of the stop bits
		800	* @rmtoll CR2 STOP LL_USART_SetStopBitsLength
		801	* @param USARTx USART Instance
		802	* @param StopBits This parameter can be one of the following values:
		803	* @arg @ref LL_USART_STOPBITS_0_5
		804	* @arg @ref LL_USART_STOPBITS_1
		805	* @arg @ref LL_USART_STOPBITS_1_5
		806	* @arg @ref LL_USART_STOPBITS_2
		807	* @retval None
		808	*/
		809	__STATIC_INLINE void LL_USART_SetStopBitsLength(USART_TypeDef *USARTx, uint32_t StopBits)
		810	{
		811	MODIFY_REG(USARTx->CR2, USART_CR2_STOP, StopBits);
		812	}
		813
		814	/**
		815	* @brief Retrieve the length of the stop bits
		816	* @rmtoll CR2 STOP LL_USART_GetStopBitsLength
		817	* @param USARTx USART Instance
		818	* @retval Returned value can be one of the following values:
		819	* @arg @ref LL_USART_STOPBITS_0_5
		820	* @arg @ref LL_USART_STOPBITS_1
		821	* @arg @ref LL_USART_STOPBITS_1_5
		822	* @arg @ref LL_USART_STOPBITS_2
		823	*/
		824	__STATIC_INLINE uint32_t LL_USART_GetStopBitsLength(const USART_TypeDef *USARTx)
		825	{
		826	return (uint32_t)(READ_BIT(USARTx->CR2, USART_CR2_STOP));
		827	}
		828
		829	/**
		830	* @brief Configure Character frame format (Datawidth, Parity control, Stop Bits)
		831	* @note Call of this function is equivalent to following function call sequence :
		832	* - Data Width configuration using @ref LL_USART_SetDataWidth() function
		833	* - Parity Control and mode configuration using @ref LL_USART_SetParity() function
		834	* - Stop bits configuration using @ref LL_USART_SetStopBitsLength() function
		835	* @rmtoll CR1 PS LL_USART_ConfigCharacter\n
		836	* CR1 PCE LL_USART_ConfigCharacter\n
		837	* CR1 M LL_USART_ConfigCharacter\n
		838	* CR2 STOP LL_USART_ConfigCharacter
		839	* @param USARTx USART Instance
		840	* @param DataWidth This parameter can be one of the following values:
		841	* @arg @ref LL_USART_DATAWIDTH_8B
		842	* @arg @ref LL_USART_DATAWIDTH_9B
		843	* @param Parity This parameter can be one of the following values:
		844	* @arg @ref LL_USART_PARITY_NONE
		845	* @arg @ref LL_USART_PARITY_EVEN
		846	* @arg @ref LL_USART_PARITY_ODD
		847	* @param StopBits This parameter can be one of the following values:
		848	* @arg @ref LL_USART_STOPBITS_0_5
		849	* @arg @ref LL_USART_STOPBITS_1
		850	* @arg @ref LL_USART_STOPBITS_1_5
		851	* @arg @ref LL_USART_STOPBITS_2
		852	* @retval None
		853	*/
		854	__STATIC_INLINE void LL_USART_ConfigCharacter(USART_TypeDef *USARTx, uint32_t DataWidth, uint32_t Parity,
		855	uint32_t StopBits)
		856	{
		857	MODIFY_REG(USARTx->CR1, USART_CR1_PS \| USART_CR1_PCE \| USART_CR1_M, Parity \| DataWidth);
		858	MODIFY_REG(USARTx->CR2, USART_CR2_STOP, StopBits);
		859	}
		860
		861	/**
		862	* @brief Set Address of the USART node.
		863	* @note This is used in multiprocessor communication during Mute mode or Stop mode,
		864	* for wake up with address mark detection.
		865	* @rmtoll CR2 ADD LL_USART_SetNodeAddress
		866	* @param USARTx USART Instance
		867	* @param NodeAddress 4 bit Address of the USART node.
		868	* @retval None
		869	*/
		870	__STATIC_INLINE void LL_USART_SetNodeAddress(USART_TypeDef *USARTx, uint32_t NodeAddress)
		871	{
		872	MODIFY_REG(USARTx->CR2, USART_CR2_ADD, (NodeAddress & USART_CR2_ADD));
		873	}
		874
		875	/**
		876	* @brief Return 4 bit Address of the USART node as set in ADD field of CR2.
		877	* @note only 4bits (b3-b0) of returned value are relevant (b31-b4 are not relevant)
		878	* @rmtoll CR2 ADD LL_USART_GetNodeAddress
		879	* @param USARTx USART Instance
		880	* @retval Address of the USART node (Value between Min_Data=0 and Max_Data=255)
		881	*/
		882	__STATIC_INLINE uint32_t LL_USART_GetNodeAddress(const USART_TypeDef *USARTx)
		883	{
		884	return (uint32_t)(READ_BIT(USARTx->CR2, USART_CR2_ADD));
		885	}
		886
		887	/**
		888	* @brief Enable RTS HW Flow Control
		889	* @note Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not
		890	* Hardware Flow control feature is supported by the USARTx instance.
		891	* @rmtoll CR3 RTSE LL_USART_EnableRTSHWFlowCtrl
		892	* @param USARTx USART Instance
		893	* @retval None
		894	*/
		895	__STATIC_INLINE void LL_USART_EnableRTSHWFlowCtrl(USART_TypeDef *USARTx)
		896	{
		897	SET_BIT(USARTx->CR3, USART_CR3_RTSE);
		898	}
		899
		900	/**
		901	* @brief Disable RTS HW Flow Control
		902	* @note Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not
		903	* Hardware Flow control feature is supported by the USARTx instance.
		904	* @rmtoll CR3 RTSE LL_USART_DisableRTSHWFlowCtrl
		905	* @param USARTx USART Instance
		906	* @retval None
		907	*/
		908	__STATIC_INLINE void LL_USART_DisableRTSHWFlowCtrl(USART_TypeDef *USARTx)
		909	{
		910	CLEAR_BIT(USARTx->CR3, USART_CR3_RTSE);
		911	}
		912
		913	/**
		914	* @brief Enable CTS HW Flow Control
		915	* @note Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not
		916	* Hardware Flow control feature is supported by the USARTx instance.
		917	* @rmtoll CR3 CTSE LL_USART_EnableCTSHWFlowCtrl
		918	* @param USARTx USART Instance
		919	* @retval None
		920	*/
		921	__STATIC_INLINE void LL_USART_EnableCTSHWFlowCtrl(USART_TypeDef *USARTx)
		922	{
		923	SET_BIT(USARTx->CR3, USART_CR3_CTSE);
		924	}
		925
		926	/**
		927	* @brief Disable CTS HW Flow Control
		928	* @note Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not
		929	* Hardware Flow control feature is supported by the USARTx instance.
		930	* @rmtoll CR3 CTSE LL_USART_DisableCTSHWFlowCtrl
		931	* @param USARTx USART Instance
		932	* @retval None
		933	*/
		934	__STATIC_INLINE void LL_USART_DisableCTSHWFlowCtrl(USART_TypeDef *USARTx)
		935	{
		936	CLEAR_BIT(USARTx->CR3, USART_CR3_CTSE);
		937	}
		938
		939	/**
		940	* @brief Configure HW Flow Control mode (both CTS and RTS)
		941	* @note Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not
		942	* Hardware Flow control feature is supported by the USARTx instance.
		943	* @rmtoll CR3 RTSE LL_USART_SetHWFlowCtrl\n
		944	* CR3 CTSE LL_USART_SetHWFlowCtrl
		945	* @param USARTx USART Instance
		946	* @param HardwareFlowControl This parameter can be one of the following values:
		947	* @arg @ref LL_USART_HWCONTROL_NONE
		948	* @arg @ref LL_USART_HWCONTROL_RTS
		949	* @arg @ref LL_USART_HWCONTROL_CTS
		950	* @arg @ref LL_USART_HWCONTROL_RTS_CTS
		951	* @retval None
		952	*/
		953	__STATIC_INLINE void LL_USART_SetHWFlowCtrl(USART_TypeDef *USARTx, uint32_t HardwareFlowControl)
		954	{
		955	MODIFY_REG(USARTx->CR3, USART_CR3_RTSE \| USART_CR3_CTSE, HardwareFlowControl);
		956	}
		957
		958	/**
		959	* @brief Return HW Flow Control configuration (both CTS and RTS)
		960	* @note Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not
		961	* Hardware Flow control feature is supported by the USARTx instance.
		962	* @rmtoll CR3 RTSE LL_USART_GetHWFlowCtrl\n
		963	* CR3 CTSE LL_USART_GetHWFlowCtrl
		964	* @param USARTx USART Instance
		965	* @retval Returned value can be one of the following values:
		966	* @arg @ref LL_USART_HWCONTROL_NONE
		967	* @arg @ref LL_USART_HWCONTROL_RTS
		968	* @arg @ref LL_USART_HWCONTROL_CTS
		969	* @arg @ref LL_USART_HWCONTROL_RTS_CTS
		970	*/
		971	__STATIC_INLINE uint32_t LL_USART_GetHWFlowCtrl(const USART_TypeDef *USARTx)
		972	{
		973	return (uint32_t)(READ_BIT(USARTx->CR3, USART_CR3_RTSE \| USART_CR3_CTSE));
		974	}
		975
		976	#if defined(USART_CR3_ONEBIT)
		977	/**
		978	* @brief Enable One bit sampling method
		979	* @rmtoll CR3 ONEBIT LL_USART_EnableOneBitSamp
		980	* @param USARTx USART Instance
		981	* @retval None
		982	*/
		983	__STATIC_INLINE void LL_USART_EnableOneBitSamp(USART_TypeDef *USARTx)
		984	{
		985	SET_BIT(USARTx->CR3, USART_CR3_ONEBIT);
		986	}
		987
		988	/**
		989	* @brief Disable One bit sampling method
		990	* @rmtoll CR3 ONEBIT LL_USART_DisableOneBitSamp
		991	* @param USARTx USART Instance
		992	* @retval None
		993	*/
		994	__STATIC_INLINE void LL_USART_DisableOneBitSamp(USART_TypeDef *USARTx)
		995	{
		996	CLEAR_BIT(USARTx->CR3, USART_CR3_ONEBIT);
		997	}
		998
		999	/**
		1000	* @brief Indicate if One bit sampling method is enabled
		1001	* @rmtoll CR3 ONEBIT LL_USART_IsEnabledOneBitSamp
		1002	* @param USARTx USART Instance
		1003	* @retval State of bit (1 or 0).
		1004	*/
		1005	__STATIC_INLINE uint32_t LL_USART_IsEnabledOneBitSamp(const USART_TypeDef *USARTx)
		1006	{
		1007	return (READ_BIT(USARTx->CR3, USART_CR3_ONEBIT) == (USART_CR3_ONEBIT));
		1008	}
		1009	#endif /* USART_OneBitSampling_Feature */
		1010
		1011	#if defined(USART_CR1_OVER8)
		1012	/**
		1013	* @brief Configure USART BRR register for achieving expected Baud Rate value.
		1014	* @note Compute and set USARTDIV value in BRR Register (full BRR content)
		1015	* according to used Peripheral Clock, Oversampling mode, and expected Baud Rate values
		1016	* @note Peripheral clock and Baud rate values provided as function parameters should be valid
		1017	* (Baud rate value != 0)
		1018	* @rmtoll BRR BRR LL_USART_SetBaudRate
		1019	* @param USARTx USART Instance
		1020	* @param PeriphClk Peripheral Clock
		1021	* @param OverSampling This parameter can be one of the following values:
		1022	* @arg @ref LL_USART_OVERSAMPLING_16
		1023	* @arg @ref LL_USART_OVERSAMPLING_8
		1024	* @param BaudRate Baud Rate
		1025	* @retval None
		1026	*/
		1027	__STATIC_INLINE void LL_USART_SetBaudRate(USART_TypeDef *USARTx, uint32_t PeriphClk, uint32_t OverSampling,
		1028	uint32_t BaudRate)
		1029	{
		1030	if (OverSampling == LL_USART_OVERSAMPLING_8)
		1031	{
		1032	USARTx->BRR = (uint16_t)(__LL_USART_DIV_SAMPLING8(PeriphClk, BaudRate));
		1033	}
		1034	else
		1035	{
		1036	USARTx->BRR = (uint16_t)(__LL_USART_DIV_SAMPLING16(PeriphClk, BaudRate));
		1037	}
		1038	}
		1039
		1040	/**
		1041	* @brief Return current Baud Rate value, according to USARTDIV present in BRR register
		1042	* (full BRR content), and to used Peripheral Clock and Oversampling mode values
		1043	* @note In case of non-initialized or invalid value stored in BRR register, value 0 will be returned.
		1044	* @rmtoll BRR BRR LL_USART_GetBaudRate
		1045	* @param USARTx USART Instance
		1046	* @param PeriphClk Peripheral Clock
		1047	* @param OverSampling This parameter can be one of the following values:
		1048	* @arg @ref LL_USART_OVERSAMPLING_16
		1049	* @arg @ref LL_USART_OVERSAMPLING_8
		1050	* @retval Baud Rate
		1051	*/
		1052	__STATIC_INLINE uint32_t LL_USART_GetBaudRate(const USART_TypeDef *USARTx, uint32_t PeriphClk, uint32_t OverSampling)
		1053	{
		1054	uint32_t usartdiv = 0x0U;
		1055	uint32_t brrresult = 0x0U;
		1056
		1057	usartdiv = USARTx->BRR;
		1058
		1059	if (OverSampling == LL_USART_OVERSAMPLING_8)
		1060	{
		1061	if ((usartdiv & 0xFFF7U) != 0U)
		1062	{
		1063	usartdiv = (uint16_t)((usartdiv & 0xFFF0U) \| ((usartdiv & 0x0007U) << 1U)) ;
		1064	brrresult = (PeriphClk * 2U) / usartdiv;
		1065	}
		1066	}
		1067	else
		1068	{
		1069	if ((usartdiv & 0xFFFFU) != 0U)
		1070	{
		1071	brrresult = PeriphClk / usartdiv;
		1072	}
		1073	}
		1074	return (brrresult);
		1075	}
		1076	#else
		1077	/**
		1078	* @brief Configure USART BRR register for achieving expected Baud Rate value.
		1079	* @note Compute and set USARTDIV value in BRR Register (full BRR content)
		1080	* according to used Peripheral Clock, Oversampling mode, and expected Baud Rate values
		1081	* @note Peripheral clock and Baud rate values provided as function parameters should be valid
		1082	* (Baud rate value != 0)
		1083	* @rmtoll BRR BRR LL_USART_SetBaudRate
		1084	* @param USARTx USART Instance
		1085	* @param PeriphClk Peripheral Clock
		1086	* @param BaudRate Baud Rate
		1087	* @retval None
		1088	*/
		1089	__STATIC_INLINE void LL_USART_SetBaudRate(USART_TypeDef *USARTx, uint32_t PeriphClk, uint32_t BaudRate)
		1090	{
		1091	USARTx->BRR = (uint16_t)(__LL_USART_DIV_SAMPLING16(PeriphClk, BaudRate));
		1092	}
		1093
		1094	/**
		1095	* @brief Return current Baud Rate value, according to USARTDIV present in BRR register
		1096	* (full BRR content), and to used Peripheral Clock and Oversampling mode values
		1097	* @note In case of non-initialized or invalid value stored in BRR register, value 0 will be returned.
		1098	* @rmtoll BRR BRR LL_USART_GetBaudRate
		1099	* @param USARTx USART Instance
		1100	* @param PeriphClk Peripheral Clock
		1101	* @retval Baud Rate
		1102	*/
		1103	__STATIC_INLINE uint32_t LL_USART_GetBaudRate(const USART_TypeDef *USARTx, uint32_t PeriphClk)
		1104	{
		1105	uint32_t usartdiv = 0x0U;
		1106	uint32_t brrresult = 0x0U;
		1107
		1108	usartdiv = USARTx->BRR;
		1109
		1110	if ((usartdiv & 0xFFFFU) != 0U)
		1111	{
		1112	brrresult = PeriphClk / usartdiv;
		1113	}
		1114	return (brrresult);
		1115	}
		1116	#endif /* USART_OverSampling_Feature */
		1117
		1118	/**
		1119	* @}
		1120	*/
		1121
		1122	/** @defgroup USART_LL_EF_Configuration_IRDA Configuration functions related to Irda feature
		1123	* @{
		1124	*/
		1125
		1126	/**
		1127	* @brief Enable IrDA mode
		1128	* @note Macro @ref IS_IRDA_INSTANCE(USARTx) can be used to check whether or not
		1129	* IrDA feature is supported by the USARTx instance.
		1130	* @rmtoll CR3 IREN LL_USART_EnableIrda
		1131	* @param USARTx USART Instance
		1132	* @retval None
		1133	*/
		1134	__STATIC_INLINE void LL_USART_EnableIrda(USART_TypeDef *USARTx)
		1135	{
		1136	SET_BIT(USARTx->CR3, USART_CR3_IREN);
		1137	}
		1138
		1139	/**
		1140	* @brief Disable IrDA mode
		1141	* @note Macro @ref IS_IRDA_INSTANCE(USARTx) can be used to check whether or not
		1142	* IrDA feature is supported by the USARTx instance.
		1143	* @rmtoll CR3 IREN LL_USART_DisableIrda
		1144	* @param USARTx USART Instance
		1145	* @retval None
		1146	*/
		1147	__STATIC_INLINE void LL_USART_DisableIrda(USART_TypeDef *USARTx)
		1148	{
		1149	CLEAR_BIT(USARTx->CR3, USART_CR3_IREN);
		1150	}
		1151
		1152	/**
		1153	* @brief Indicate if IrDA mode is enabled
		1154	* @note Macro @ref IS_IRDA_INSTANCE(USARTx) can be used to check whether or not
		1155	* IrDA feature is supported by the USARTx instance.
		1156	* @rmtoll CR3 IREN LL_USART_IsEnabledIrda
		1157	* @param USARTx USART Instance
		1158	* @retval State of bit (1 or 0).
		1159	*/
		1160	__STATIC_INLINE uint32_t LL_USART_IsEnabledIrda(const USART_TypeDef *USARTx)
		1161	{
		1162	return (READ_BIT(USARTx->CR3, USART_CR3_IREN) == (USART_CR3_IREN));
		1163	}
		1164
		1165	/**
		1166	* @brief Configure IrDA Power Mode (Normal or Low Power)
		1167	* @note Macro @ref IS_IRDA_INSTANCE(USARTx) can be used to check whether or not
		1168	* IrDA feature is supported by the USARTx instance.
		1169	* @rmtoll CR3 IRLP LL_USART_SetIrdaPowerMode
		1170	* @param USARTx USART Instance
		1171	* @param PowerMode This parameter can be one of the following values:
		1172	* @arg @ref LL_USART_IRDA_POWER_NORMAL
		1173	* @arg @ref LL_USART_IRDA_POWER_LOW
		1174	* @retval None
		1175	*/
		1176	__STATIC_INLINE void LL_USART_SetIrdaPowerMode(USART_TypeDef *USARTx, uint32_t PowerMode)
		1177	{
		1178	MODIFY_REG(USARTx->CR3, USART_CR3_IRLP, PowerMode);
		1179	}
		1180
		1181	/**
		1182	* @brief Retrieve IrDA Power Mode configuration (Normal or Low Power)
		1183	* @note Macro @ref IS_IRDA_INSTANCE(USARTx) can be used to check whether or not
		1184	* IrDA feature is supported by the USARTx instance.
		1185	* @rmtoll CR3 IRLP LL_USART_GetIrdaPowerMode
		1186	* @param USARTx USART Instance
		1187	* @retval Returned value can be one of the following values:
		1188	* @arg @ref LL_USART_IRDA_POWER_NORMAL
		1189	* @arg @ref LL_USART_PHASE_2EDGE
		1190	*/
		1191	__STATIC_INLINE uint32_t LL_USART_GetIrdaPowerMode(const USART_TypeDef *USARTx)
		1192	{
		1193	return (uint32_t)(READ_BIT(USARTx->CR3, USART_CR3_IRLP));
		1194	}
		1195
		1196	/**
		1197	* @brief Set Irda prescaler value, used for dividing the USART clock source
		1198	* to achieve the Irda Low Power frequency (8 bits value)
		1199	* @note Macro @ref IS_IRDA_INSTANCE(USARTx) can be used to check whether or not
		1200	* IrDA feature is supported by the USARTx instance.
		1201	* @rmtoll GTPR PSC LL_USART_SetIrdaPrescaler
		1202	* @param USARTx USART Instance
		1203	* @param PrescalerValue Value between Min_Data=0x00 and Max_Data=0xFF
		1204	* @retval None
		1205	*/
		1206	__STATIC_INLINE void LL_USART_SetIrdaPrescaler(USART_TypeDef *USARTx, uint32_t PrescalerValue)
		1207	{
		1208	MODIFY_REG(USARTx->GTPR, USART_GTPR_PSC, PrescalerValue);
		1209	}
		1210
		1211	/**
		1212	* @brief Return Irda prescaler value, used for dividing the USART clock source
		1213	* to achieve the Irda Low Power frequency (8 bits value)
		1214	* @note Macro @ref IS_IRDA_INSTANCE(USARTx) can be used to check whether or not
		1215	* IrDA feature is supported by the USARTx instance.
		1216	* @rmtoll GTPR PSC LL_USART_GetIrdaPrescaler
		1217	* @param USARTx USART Instance
		1218	* @retval Irda prescaler value (Value between Min_Data=0x00 and Max_Data=0xFF)
		1219	*/
		1220	__STATIC_INLINE uint32_t LL_USART_GetIrdaPrescaler(const USART_TypeDef *USARTx)
		1221	{
		1222	return (uint32_t)(READ_BIT(USARTx->GTPR, USART_GTPR_PSC));
		1223	}
		1224
		1225	/**
		1226	* @}
		1227	*/
		1228
		1229	/** @defgroup USART_LL_EF_Configuration_Smartcard Configuration functions related to Smartcard feature
		1230	* @{
		1231	*/
		1232
		1233	/**
		1234	* @brief Enable Smartcard NACK transmission
		1235	* @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not
		1236	* Smartcard feature is supported by the USARTx instance.
		1237	* @rmtoll CR3 NACK LL_USART_EnableSmartcardNACK
		1238	* @param USARTx USART Instance
		1239	* @retval None
		1240	*/
		1241	__STATIC_INLINE void LL_USART_EnableSmartcardNACK(USART_TypeDef *USARTx)
		1242	{
		1243	SET_BIT(USARTx->CR3, USART_CR3_NACK);
		1244	}
		1245
		1246	/**
		1247	* @brief Disable Smartcard NACK transmission
		1248	* @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not
		1249	* Smartcard feature is supported by the USARTx instance.
		1250	* @rmtoll CR3 NACK LL_USART_DisableSmartcardNACK
		1251	* @param USARTx USART Instance
		1252	* @retval None
		1253	*/
		1254	__STATIC_INLINE void LL_USART_DisableSmartcardNACK(USART_TypeDef *USARTx)
		1255	{
		1256	CLEAR_BIT(USARTx->CR3, USART_CR3_NACK);
		1257	}
		1258
		1259	/**
		1260	* @brief Indicate if Smartcard NACK transmission is enabled
		1261	* @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not
		1262	* Smartcard feature is supported by the USARTx instance.
		1263	* @rmtoll CR3 NACK LL_USART_IsEnabledSmartcardNACK
		1264	* @param USARTx USART Instance
		1265	* @retval State of bit (1 or 0).
		1266	*/
		1267	__STATIC_INLINE uint32_t LL_USART_IsEnabledSmartcardNACK(const USART_TypeDef *USARTx)
		1268	{
		1269	return (READ_BIT(USARTx->CR3, USART_CR3_NACK) == (USART_CR3_NACK));
		1270	}
		1271
		1272	/**
		1273	* @brief Enable Smartcard mode
		1274	* @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not
		1275	* Smartcard feature is supported by the USARTx instance.
		1276	* @rmtoll CR3 SCEN LL_USART_EnableSmartcard
		1277	* @param USARTx USART Instance
		1278	* @retval None
		1279	*/
		1280	__STATIC_INLINE void LL_USART_EnableSmartcard(USART_TypeDef *USARTx)
		1281	{
		1282	SET_BIT(USARTx->CR3, USART_CR3_SCEN);
		1283	}
		1284
		1285	/**
		1286	* @brief Disable Smartcard mode
		1287	* @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not
		1288	* Smartcard feature is supported by the USARTx instance.
		1289	* @rmtoll CR3 SCEN LL_USART_DisableSmartcard
		1290	* @param USARTx USART Instance
		1291	* @retval None
		1292	*/
		1293	__STATIC_INLINE void LL_USART_DisableSmartcard(USART_TypeDef *USARTx)
		1294	{
		1295	CLEAR_BIT(USARTx->CR3, USART_CR3_SCEN);
		1296	}
		1297
		1298	/**
		1299	* @brief Indicate if Smartcard mode is enabled
		1300	* @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not
		1301	* Smartcard feature is supported by the USARTx instance.
		1302	* @rmtoll CR3 SCEN LL_USART_IsEnabledSmartcard
		1303	* @param USARTx USART Instance
		1304	* @retval State of bit (1 or 0).
		1305	*/
		1306	__STATIC_INLINE uint32_t LL_USART_IsEnabledSmartcard(const USART_TypeDef *USARTx)
		1307	{
		1308	return (READ_BIT(USARTx->CR3, USART_CR3_SCEN) == (USART_CR3_SCEN));
		1309	}
		1310
		1311	/**
		1312	* @brief Set Smartcard prescaler value, used for dividing the USART clock
		1313	* source to provide the SMARTCARD Clock (5 bits value)
		1314	* @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not
		1315	* Smartcard feature is supported by the USARTx instance.
		1316	* @rmtoll GTPR PSC LL_USART_SetSmartcardPrescaler
		1317	* @param USARTx USART Instance
		1318	* @param PrescalerValue Value between Min_Data=0 and Max_Data=31
		1319	* @retval None
		1320	*/
		1321	__STATIC_INLINE void LL_USART_SetSmartcardPrescaler(USART_TypeDef *USARTx, uint32_t PrescalerValue)
		1322	{
		1323	MODIFY_REG(USARTx->GTPR, USART_GTPR_PSC, PrescalerValue);
		1324	}
		1325
		1326	/**
		1327	* @brief Return Smartcard prescaler value, used for dividing the USART clock
		1328	* source to provide the SMARTCARD Clock (5 bits value)
		1329	* @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not
		1330	* Smartcard feature is supported by the USARTx instance.
		1331	* @rmtoll GTPR PSC LL_USART_GetSmartcardPrescaler
		1332	* @param USARTx USART Instance
		1333	* @retval Smartcard prescaler value (Value between Min_Data=0 and Max_Data=31)
		1334	*/
		1335	__STATIC_INLINE uint32_t LL_USART_GetSmartcardPrescaler(const USART_TypeDef *USARTx)
		1336	{
		1337	return (uint32_t)(READ_BIT(USARTx->GTPR, USART_GTPR_PSC));
		1338	}
		1339
		1340	/**
		1341	* @brief Set Smartcard Guard time value, expressed in nb of baud clocks periods
		1342	* (GT[7:0] bits : Guard time value)
		1343	* @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not
		1344	* Smartcard feature is supported by the USARTx instance.
		1345	* @rmtoll GTPR GT LL_USART_SetSmartcardGuardTime
		1346	* @param USARTx USART Instance
		1347	* @param GuardTime Value between Min_Data=0x00 and Max_Data=0xFF
		1348	* @retval None
		1349	*/
		1350	__STATIC_INLINE void LL_USART_SetSmartcardGuardTime(USART_TypeDef *USARTx, uint32_t GuardTime)
		1351	{
		1352	MODIFY_REG(USARTx->GTPR, USART_GTPR_GT, GuardTime << USART_POSITION_GTPR_GT);
		1353	}
		1354
		1355	/**
		1356	* @brief Return Smartcard Guard time value, expressed in nb of baud clocks periods
		1357	* (GT[7:0] bits : Guard time value)
		1358	* @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not
		1359	* Smartcard feature is supported by the USARTx instance.
		1360	* @rmtoll GTPR GT LL_USART_GetSmartcardGuardTime
		1361	* @param USARTx USART Instance
		1362	* @retval Smartcard Guard time value (Value between Min_Data=0x00 and Max_Data=0xFF)
		1363	*/
		1364	__STATIC_INLINE uint32_t LL_USART_GetSmartcardGuardTime(const USART_TypeDef *USARTx)
		1365	{
		1366	return (uint32_t)(READ_BIT(USARTx->GTPR, USART_GTPR_GT) >> USART_POSITION_GTPR_GT);
		1367	}
		1368
		1369	/**
		1370	* @}
		1371	*/
		1372
		1373	/** @defgroup USART_LL_EF_Configuration_HalfDuplex Configuration functions related to Half Duplex feature
		1374	* @{
		1375	*/
		1376
		1377	/**
		1378	* @brief Enable Single Wire Half-Duplex mode
		1379	* @note Macro @ref IS_UART_HALFDUPLEX_INSTANCE(USARTx) can be used to check whether or not
		1380	* Half-Duplex mode is supported by the USARTx instance.
		1381	* @rmtoll CR3 HDSEL LL_USART_EnableHalfDuplex
		1382	* @param USARTx USART Instance
		1383	* @retval None
		1384	*/
		1385	__STATIC_INLINE void LL_USART_EnableHalfDuplex(USART_TypeDef *USARTx)
		1386	{
		1387	SET_BIT(USARTx->CR3, USART_CR3_HDSEL);
		1388	}
		1389
		1390	/**
		1391	* @brief Disable Single Wire Half-Duplex mode
		1392	* @note Macro @ref IS_UART_HALFDUPLEX_INSTANCE(USARTx) can be used to check whether or not
		1393	* Half-Duplex mode is supported by the USARTx instance.
		1394	* @rmtoll CR3 HDSEL LL_USART_DisableHalfDuplex
		1395	* @param USARTx USART Instance
		1396	* @retval None
		1397	*/
		1398	__STATIC_INLINE void LL_USART_DisableHalfDuplex(USART_TypeDef *USARTx)
		1399	{
		1400	CLEAR_BIT(USARTx->CR3, USART_CR3_HDSEL);
		1401	}
		1402
		1403	/**
		1404	* @brief Indicate if Single Wire Half-Duplex mode is enabled
		1405	* @note Macro @ref IS_UART_HALFDUPLEX_INSTANCE(USARTx) can be used to check whether or not
		1406	* Half-Duplex mode is supported by the USARTx instance.
		1407	* @rmtoll CR3 HDSEL LL_USART_IsEnabledHalfDuplex
		1408	* @param USARTx USART Instance
		1409	* @retval State of bit (1 or 0).
		1410	*/
		1411	__STATIC_INLINE uint32_t LL_USART_IsEnabledHalfDuplex(const USART_TypeDef *USARTx)
		1412	{
		1413	return (READ_BIT(USARTx->CR3, USART_CR3_HDSEL) == (USART_CR3_HDSEL));
		1414	}
		1415
		1416	/**
		1417	* @}
		1418	*/
		1419
		1420	/** @defgroup USART_LL_EF_Configuration_LIN Configuration functions related to LIN feature
		1421	* @{
		1422	*/
		1423
		1424	/**
		1425	* @brief Set LIN Break Detection Length
		1426	* @note Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not
		1427	* LIN feature is supported by the USARTx instance.
		1428	* @rmtoll CR2 LBDL LL_USART_SetLINBrkDetectionLen
		1429	* @param USARTx USART Instance
		1430	* @param LINBDLength This parameter can be one of the following values:
		1431	* @arg @ref LL_USART_LINBREAK_DETECT_10B
		1432	* @arg @ref LL_USART_LINBREAK_DETECT_11B
		1433	* @retval None
		1434	*/
		1435	__STATIC_INLINE void LL_USART_SetLINBrkDetectionLen(USART_TypeDef *USARTx, uint32_t LINBDLength)
		1436	{
		1437	MODIFY_REG(USARTx->CR2, USART_CR2_LBDL, LINBDLength);
		1438	}
		1439
		1440	/**
		1441	* @brief Return LIN Break Detection Length
		1442	* @note Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not
		1443	* LIN feature is supported by the USARTx instance.
		1444	* @rmtoll CR2 LBDL LL_USART_GetLINBrkDetectionLen
		1445	* @param USARTx USART Instance
		1446	* @retval Returned value can be one of the following values:
		1447	* @arg @ref LL_USART_LINBREAK_DETECT_10B
		1448	* @arg @ref LL_USART_LINBREAK_DETECT_11B
		1449	*/
		1450	__STATIC_INLINE uint32_t LL_USART_GetLINBrkDetectionLen(const USART_TypeDef *USARTx)
		1451	{
		1452	return (uint32_t)(READ_BIT(USARTx->CR2, USART_CR2_LBDL));
		1453	}
		1454
		1455	/**
		1456	* @brief Enable LIN mode
		1457	* @note Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not
		1458	* LIN feature is supported by the USARTx instance.
		1459	* @rmtoll CR2 LINEN LL_USART_EnableLIN
		1460	* @param USARTx USART Instance
		1461	* @retval None
		1462	*/
		1463	__STATIC_INLINE void LL_USART_EnableLIN(USART_TypeDef *USARTx)
		1464	{
		1465	SET_BIT(USARTx->CR2, USART_CR2_LINEN);
		1466	}
		1467
		1468	/**
		1469	* @brief Disable LIN mode
		1470	* @note Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not
		1471	* LIN feature is supported by the USARTx instance.
		1472	* @rmtoll CR2 LINEN LL_USART_DisableLIN
		1473	* @param USARTx USART Instance
		1474	* @retval None
		1475	*/
		1476	__STATIC_INLINE void LL_USART_DisableLIN(USART_TypeDef *USARTx)
		1477	{
		1478	CLEAR_BIT(USARTx->CR2, USART_CR2_LINEN);
		1479	}
		1480
		1481	/**
		1482	* @brief Indicate if LIN mode is enabled
		1483	* @note Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not
		1484	* LIN feature is supported by the USARTx instance.
		1485	* @rmtoll CR2 LINEN LL_USART_IsEnabledLIN
		1486	* @param USARTx USART Instance
		1487	* @retval State of bit (1 or 0).
		1488	*/
		1489	__STATIC_INLINE uint32_t LL_USART_IsEnabledLIN(const USART_TypeDef *USARTx)
		1490	{
		1491	return (READ_BIT(USARTx->CR2, USART_CR2_LINEN) == (USART_CR2_LINEN));
		1492	}
		1493
		1494	/**
		1495	* @}
		1496	*/
		1497
		1498	/** @defgroup USART_LL_EF_AdvancedConfiguration Advanced Configurations services
		1499	* @{
		1500	*/
		1501
		1502	/**
		1503	* @brief Perform basic configuration of USART for enabling use in Asynchronous Mode (UART)
		1504	* @note In UART mode, the following bits must be kept cleared:
		1505	* - LINEN bit in the USART_CR2 register,
		1506	* - CLKEN bit in the USART_CR2 register,
		1507	* - SCEN bit in the USART_CR3 register,
		1508	* - IREN bit in the USART_CR3 register,
		1509	* - HDSEL bit in the USART_CR3 register.
		1510	* @note Call of this function is equivalent to following function call sequence :
		1511	* - Clear LINEN in CR2 using @ref LL_USART_DisableLIN() function
		1512	* - Clear CLKEN in CR2 using @ref LL_USART_DisableSCLKOutput() function
		1513	* - Clear SCEN in CR3 using @ref LL_USART_DisableSmartcard() function
		1514	* - Clear IREN in CR3 using @ref LL_USART_DisableIrda() function
		1515	* - Clear HDSEL in CR3 using @ref LL_USART_DisableHalfDuplex() function
		1516	* @note Other remaining configurations items related to Asynchronous Mode
		1517	* (as Baud Rate, Word length, Parity, ...) should be set using
		1518	* dedicated functions
		1519	* @rmtoll CR2 LINEN LL_USART_ConfigAsyncMode\n
		1520	* CR2 CLKEN LL_USART_ConfigAsyncMode\n
		1521	* CR3 SCEN LL_USART_ConfigAsyncMode\n
		1522	* CR3 IREN LL_USART_ConfigAsyncMode\n
		1523	* CR3 HDSEL LL_USART_ConfigAsyncMode
		1524	* @param USARTx USART Instance
		1525	* @retval None
		1526	*/
		1527	__STATIC_INLINE void LL_USART_ConfigAsyncMode(USART_TypeDef *USARTx)
		1528	{
		1529	/* In Asynchronous mode, the following bits must be kept cleared:
		1530	- LINEN, CLKEN bits in the USART_CR2 register,
		1531	- SCEN, IREN and HDSEL bits in the USART_CR3 register.*/
		1532	CLEAR_BIT(USARTx->CR2, (USART_CR2_LINEN \| USART_CR2_CLKEN));
		1533	CLEAR_BIT(USARTx->CR3, (USART_CR3_SCEN \| USART_CR3_IREN \| USART_CR3_HDSEL));
		1534	}
		1535
		1536	/**
		1537	* @brief Perform basic configuration of USART for enabling use in Synchronous Mode
		1538	* @note In Synchronous mode, the following bits must be kept cleared:
		1539	* - LINEN bit in the USART_CR2 register,
		1540	* - SCEN bit in the USART_CR3 register,
		1541	* - IREN bit in the USART_CR3 register,
		1542	* - HDSEL bit in the USART_CR3 register.
		1543	* This function also sets the USART in Synchronous mode.
		1544	* @note Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not
		1545	* Synchronous mode is supported by the USARTx instance.
		1546	* @note Call of this function is equivalent to following function call sequence :
		1547	* - Clear LINEN in CR2 using @ref LL_USART_DisableLIN() function
		1548	* - Clear IREN in CR3 using @ref LL_USART_DisableIrda() function
		1549	* - Clear SCEN in CR3 using @ref LL_USART_DisableSmartcard() function
		1550	* - Clear HDSEL in CR3 using @ref LL_USART_DisableHalfDuplex() function
		1551	* - Set CLKEN in CR2 using @ref LL_USART_EnableSCLKOutput() function
		1552	* @note Other remaining configurations items related to Synchronous Mode
		1553	* (as Baud Rate, Word length, Parity, Clock Polarity, ...) should be set using
		1554	* dedicated functions
		1555	* @rmtoll CR2 LINEN LL_USART_ConfigSyncMode\n
		1556	* CR2 CLKEN LL_USART_ConfigSyncMode\n
		1557	* CR3 SCEN LL_USART_ConfigSyncMode\n
		1558	* CR3 IREN LL_USART_ConfigSyncMode\n
		1559	* CR3 HDSEL LL_USART_ConfigSyncMode
		1560	* @param USARTx USART Instance
		1561	* @retval None
		1562	*/
		1563	__STATIC_INLINE void LL_USART_ConfigSyncMode(USART_TypeDef *USARTx)
		1564	{
		1565	/* In Synchronous mode, the following bits must be kept cleared:
		1566	- LINEN bit in the USART_CR2 register,
		1567	- SCEN, IREN and HDSEL bits in the USART_CR3 register.*/
		1568	CLEAR_BIT(USARTx->CR2, (USART_CR2_LINEN));
		1569	CLEAR_BIT(USARTx->CR3, (USART_CR3_SCEN \| USART_CR3_IREN \| USART_CR3_HDSEL));
		1570	/* set the UART/USART in Synchronous mode */
		1571	SET_BIT(USARTx->CR2, USART_CR2_CLKEN);
		1572	}
		1573
		1574	/**
		1575	* @brief Perform basic configuration of USART for enabling use in LIN Mode
		1576	* @note In LIN mode, the following bits must be kept cleared:
		1577	* - STOP and CLKEN bits in the USART_CR2 register,
		1578	* - SCEN bit in the USART_CR3 register,
		1579	* - IREN bit in the USART_CR3 register,
		1580	* - HDSEL bit in the USART_CR3 register.
		1581	* This function also set the UART/USART in LIN mode.
		1582	* @note Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not
		1583	* LIN feature is supported by the USARTx instance.
		1584	* @note Call of this function is equivalent to following function call sequence :
		1585	* - Clear CLKEN in CR2 using @ref LL_USART_DisableSCLKOutput() function
		1586	* - Clear STOP in CR2 using @ref LL_USART_SetStopBitsLength() function
		1587	* - Clear SCEN in CR3 using @ref LL_USART_DisableSmartcard() function
		1588	* - Clear IREN in CR3 using @ref LL_USART_DisableIrda() function
		1589	* - Clear HDSEL in CR3 using @ref LL_USART_DisableHalfDuplex() function
		1590	* - Set LINEN in CR2 using @ref LL_USART_EnableLIN() function
		1591	* @note Other remaining configurations items related to LIN Mode
		1592	* (as Baud Rate, Word length, LIN Break Detection Length, ...) should be set using
		1593	* dedicated functions
		1594	* @rmtoll CR2 CLKEN LL_USART_ConfigLINMode\n
		1595	* CR2 STOP LL_USART_ConfigLINMode\n
		1596	* CR2 LINEN LL_USART_ConfigLINMode\n
		1597	* CR3 IREN LL_USART_ConfigLINMode\n
		1598	* CR3 SCEN LL_USART_ConfigLINMode\n
		1599	* CR3 HDSEL LL_USART_ConfigLINMode
		1600	* @param USARTx USART Instance
		1601	* @retval None
		1602	*/
		1603	__STATIC_INLINE void LL_USART_ConfigLINMode(USART_TypeDef *USARTx)
		1604	{
		1605	/* In LIN mode, the following bits must be kept cleared:
		1606	- STOP and CLKEN bits in the USART_CR2 register,
		1607	- IREN, SCEN and HDSEL bits in the USART_CR3 register.*/
		1608	CLEAR_BIT(USARTx->CR2, (USART_CR2_CLKEN \| USART_CR2_STOP));
		1609	CLEAR_BIT(USARTx->CR3, (USART_CR3_IREN \| USART_CR3_SCEN \| USART_CR3_HDSEL));
		1610	/* Set the UART/USART in LIN mode */
		1611	SET_BIT(USARTx->CR2, USART_CR2_LINEN);
		1612	}
		1613
		1614	/**
		1615	* @brief Perform basic configuration of USART for enabling use in Half Duplex Mode
		1616	* @note In Half Duplex mode, the following bits must be kept cleared:
		1617	* - LINEN bit in the USART_CR2 register,
		1618	* - CLKEN bit in the USART_CR2 register,
		1619	* - SCEN bit in the USART_CR3 register,
		1620	* - IREN bit in the USART_CR3 register,
		1621	* This function also sets the UART/USART in Half Duplex mode.
		1622	* @note Macro @ref IS_UART_HALFDUPLEX_INSTANCE(USARTx) can be used to check whether or not
		1623	* Half-Duplex mode is supported by the USARTx instance.
		1624	* @note Call of this function is equivalent to following function call sequence :
		1625	* - Clear LINEN in CR2 using @ref LL_USART_DisableLIN() function
		1626	* - Clear CLKEN in CR2 using @ref LL_USART_DisableSCLKOutput() function
		1627	* - Clear SCEN in CR3 using @ref LL_USART_DisableSmartcard() function
		1628	* - Clear IREN in CR3 using @ref LL_USART_DisableIrda() function
		1629	* - Set HDSEL in CR3 using @ref LL_USART_EnableHalfDuplex() function
		1630	* @note Other remaining configurations items related to Half Duplex Mode
		1631	* (as Baud Rate, Word length, Parity, ...) should be set using
		1632	* dedicated functions
		1633	* @rmtoll CR2 LINEN LL_USART_ConfigHalfDuplexMode\n
		1634	* CR2 CLKEN LL_USART_ConfigHalfDuplexMode\n
		1635	* CR3 HDSEL LL_USART_ConfigHalfDuplexMode\n
		1636	* CR3 SCEN LL_USART_ConfigHalfDuplexMode\n
		1637	* CR3 IREN LL_USART_ConfigHalfDuplexMode
		1638	* @param USARTx USART Instance
		1639	* @retval None
		1640	*/
		1641	__STATIC_INLINE void LL_USART_ConfigHalfDuplexMode(USART_TypeDef *USARTx)
		1642	{
		1643	/* In Half Duplex mode, the following bits must be kept cleared:
		1644	- LINEN and CLKEN bits in the USART_CR2 register,
		1645	- SCEN and IREN bits in the USART_CR3 register.*/
		1646	CLEAR_BIT(USARTx->CR2, (USART_CR2_LINEN \| USART_CR2_CLKEN));
		1647	CLEAR_BIT(USARTx->CR3, (USART_CR3_SCEN \| USART_CR3_IREN));
		1648	/* set the UART/USART in Half Duplex mode */
		1649	SET_BIT(USARTx->CR3, USART_CR3_HDSEL);
		1650	}
		1651
		1652	/**
		1653	* @brief Perform basic configuration of USART for enabling use in Smartcard Mode
		1654	* @note In Smartcard mode, the following bits must be kept cleared:
		1655	* - LINEN bit in the USART_CR2 register,
		1656	* - IREN bit in the USART_CR3 register,
		1657	* - HDSEL bit in the USART_CR3 register.
		1658	* This function also configures Stop bits to 1.5 bits and
		1659	* sets the USART in Smartcard mode (SCEN bit).
		1660	* Clock Output is also enabled (CLKEN).
		1661	* @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not
		1662	* Smartcard feature is supported by the USARTx instance.
		1663	* @note Call of this function is equivalent to following function call sequence :
		1664	* - Clear LINEN in CR2 using @ref LL_USART_DisableLIN() function
		1665	* - Clear IREN in CR3 using @ref LL_USART_DisableIrda() function
		1666	* - Clear HDSEL in CR3 using @ref LL_USART_DisableHalfDuplex() function
		1667	* - Configure STOP in CR2 using @ref LL_USART_SetStopBitsLength() function
		1668	* - Set CLKEN in CR2 using @ref LL_USART_EnableSCLKOutput() function
		1669	* - Set SCEN in CR3 using @ref LL_USART_EnableSmartcard() function
		1670	* @note Other remaining configurations items related to Smartcard Mode
		1671	* (as Baud Rate, Word length, Parity, ...) should be set using
		1672	* dedicated functions
		1673	* @rmtoll CR2 LINEN LL_USART_ConfigSmartcardMode\n
		1674	* CR2 STOP LL_USART_ConfigSmartcardMode\n
		1675	* CR2 CLKEN LL_USART_ConfigSmartcardMode\n
		1676	* CR3 HDSEL LL_USART_ConfigSmartcardMode\n
		1677	* CR3 SCEN LL_USART_ConfigSmartcardMode
		1678	* @param USARTx USART Instance
		1679	* @retval None
		1680	*/
		1681	__STATIC_INLINE void LL_USART_ConfigSmartcardMode(USART_TypeDef *USARTx)
		1682	{
		1683	/* In Smartcard mode, the following bits must be kept cleared:
		1684	- LINEN bit in the USART_CR2 register,
		1685	- IREN and HDSEL bits in the USART_CR3 register.*/
		1686	CLEAR_BIT(USARTx->CR2, (USART_CR2_LINEN));
		1687	CLEAR_BIT(USARTx->CR3, (USART_CR3_IREN \| USART_CR3_HDSEL));
		1688	/* Configure Stop bits to 1.5 bits */
		1689	/* Synchronous mode is activated by default */
		1690	SET_BIT(USARTx->CR2, (USART_CR2_STOP_0 \| USART_CR2_STOP_1 \| USART_CR2_CLKEN));
		1691	/* set the UART/USART in Smartcard mode */
		1692	SET_BIT(USARTx->CR3, USART_CR3_SCEN);
		1693	}
		1694
		1695	/**
		1696	* @brief Perform basic configuration of USART for enabling use in Irda Mode
		1697	* @note In IRDA mode, the following bits must be kept cleared:
		1698	* - LINEN bit in the USART_CR2 register,
		1699	* - STOP and CLKEN bits in the USART_CR2 register,
		1700	* - SCEN bit in the USART_CR3 register,
		1701	* - HDSEL bit in the USART_CR3 register.
		1702	* This function also sets the UART/USART in IRDA mode (IREN bit).
		1703	* @note Macro @ref IS_IRDA_INSTANCE(USARTx) can be used to check whether or not
		1704	* IrDA feature is supported by the USARTx instance.
		1705	* @note Call of this function is equivalent to following function call sequence :
		1706	* - Clear LINEN in CR2 using @ref LL_USART_DisableLIN() function
		1707	* - Clear CLKEN in CR2 using @ref LL_USART_DisableSCLKOutput() function
		1708	* - Clear SCEN in CR3 using @ref LL_USART_DisableSmartcard() function
		1709	* - Clear HDSEL in CR3 using @ref LL_USART_DisableHalfDuplex() function
		1710	* - Configure STOP in CR2 using @ref LL_USART_SetStopBitsLength() function
		1711	* - Set IREN in CR3 using @ref LL_USART_EnableIrda() function
		1712	* @note Other remaining configurations items related to Irda Mode
		1713	* (as Baud Rate, Word length, Power mode, ...) should be set using
		1714	* dedicated functions
		1715	* @rmtoll CR2 LINEN LL_USART_ConfigIrdaMode\n
		1716	* CR2 CLKEN LL_USART_ConfigIrdaMode\n
		1717	* CR2 STOP LL_USART_ConfigIrdaMode\n
		1718	* CR3 SCEN LL_USART_ConfigIrdaMode\n
		1719	* CR3 HDSEL LL_USART_ConfigIrdaMode\n
		1720	* CR3 IREN LL_USART_ConfigIrdaMode
		1721	* @param USARTx USART Instance
		1722	* @retval None
		1723	*/
		1724	__STATIC_INLINE void LL_USART_ConfigIrdaMode(USART_TypeDef *USARTx)
		1725	{
		1726	/* In IRDA mode, the following bits must be kept cleared:
		1727	- LINEN, STOP and CLKEN bits in the USART_CR2 register,
		1728	- SCEN and HDSEL bits in the USART_CR3 register.*/
		1729	CLEAR_BIT(USARTx->CR2, (USART_CR2_LINEN \| USART_CR2_CLKEN \| USART_CR2_STOP));
		1730	CLEAR_BIT(USARTx->CR3, (USART_CR3_SCEN \| USART_CR3_HDSEL));
		1731	/* set the UART/USART in IRDA mode */
		1732	SET_BIT(USARTx->CR3, USART_CR3_IREN);
		1733	}
		1734
		1735	/**
		1736	* @brief Perform basic configuration of USART for enabling use in Multi processor Mode
		1737	* (several USARTs connected in a network, one of the USARTs can be the master,
		1738	* its TX output connected to the RX inputs of the other slaves USARTs).
		1739	* @note In MultiProcessor mode, the following bits must be kept cleared:
		1740	* - LINEN bit in the USART_CR2 register,
		1741	* - CLKEN bit in the USART_CR2 register,
		1742	* - SCEN bit in the USART_CR3 register,
		1743	* - IREN bit in the USART_CR3 register,
		1744	* - HDSEL bit in the USART_CR3 register.
		1745	* @note Call of this function is equivalent to following function call sequence :
		1746	* - Clear LINEN in CR2 using @ref LL_USART_DisableLIN() function
		1747	* - Clear CLKEN in CR2 using @ref LL_USART_DisableSCLKOutput() function
		1748	* - Clear SCEN in CR3 using @ref LL_USART_DisableSmartcard() function
		1749	* - Clear IREN in CR3 using @ref LL_USART_DisableIrda() function
		1750	* - Clear HDSEL in CR3 using @ref LL_USART_DisableHalfDuplex() function
		1751	* @note Other remaining configurations items related to Multi processor Mode
		1752	* (as Baud Rate, Wake Up Method, Node address, ...) should be set using
		1753	* dedicated functions
		1754	* @rmtoll CR2 LINEN LL_USART_ConfigMultiProcessMode\n
		1755	* CR2 CLKEN LL_USART_ConfigMultiProcessMode\n
		1756	* CR3 SCEN LL_USART_ConfigMultiProcessMode\n
		1757	* CR3 HDSEL LL_USART_ConfigMultiProcessMode\n
		1758	* CR3 IREN LL_USART_ConfigMultiProcessMode
		1759	* @param USARTx USART Instance
		1760	* @retval None
		1761	*/
		1762	__STATIC_INLINE void LL_USART_ConfigMultiProcessMode(USART_TypeDef *USARTx)
		1763	{
		1764	/* In Multi Processor mode, the following bits must be kept cleared:
		1765	- LINEN and CLKEN bits in the USART_CR2 register,
		1766	- IREN, SCEN and HDSEL bits in the USART_CR3 register.*/
		1767	CLEAR_BIT(USARTx->CR2, (USART_CR2_LINEN \| USART_CR2_CLKEN));
		1768	CLEAR_BIT(USARTx->CR3, (USART_CR3_SCEN \| USART_CR3_HDSEL \| USART_CR3_IREN));
		1769	}
		1770
		1771	/**
		1772	* @}
		1773	*/
		1774
		1775	/** @defgroup USART_LL_EF_FLAG_Management FLAG_Management
		1776	* @{
		1777	*/
		1778
		1779	/**
		1780	* @brief Check if the USART Parity Error Flag is set or not
		1781	* @rmtoll SR PE LL_USART_IsActiveFlag_PE
		1782	* @param USARTx USART Instance
		1783	* @retval State of bit (1 or 0).
		1784	*/
		1785	__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_PE(const USART_TypeDef *USARTx)
		1786	{
		1787	return (READ_BIT(USARTx->SR, USART_SR_PE) == (USART_SR_PE));
		1788	}
		1789
		1790	/**
		1791	* @brief Check if the USART Framing Error Flag is set or not
		1792	* @rmtoll SR FE LL_USART_IsActiveFlag_FE
		1793	* @param USARTx USART Instance
		1794	* @retval State of bit (1 or 0).
		1795	*/
		1796	__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_FE(const USART_TypeDef *USARTx)
		1797	{
		1798	return (READ_BIT(USARTx->SR, USART_SR_FE) == (USART_SR_FE));
		1799	}
		1800
		1801	/**
		1802	* @brief Check if the USART Noise error detected Flag is set or not
		1803	* @rmtoll SR NF LL_USART_IsActiveFlag_NE
		1804	* @param USARTx USART Instance
		1805	* @retval State of bit (1 or 0).
		1806	*/
		1807	__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_NE(const USART_TypeDef *USARTx)
		1808	{
		1809	return (READ_BIT(USARTx->SR, USART_SR_NE) == (USART_SR_NE));
		1810	}
		1811
		1812	/**
		1813	* @brief Check if the USART OverRun Error Flag is set or not
		1814	* @rmtoll SR ORE LL_USART_IsActiveFlag_ORE
		1815	* @param USARTx USART Instance
		1816	* @retval State of bit (1 or 0).
		1817	*/
		1818	__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_ORE(const USART_TypeDef *USARTx)
		1819	{
		1820	return (READ_BIT(USARTx->SR, USART_SR_ORE) == (USART_SR_ORE));
		1821	}
		1822
		1823	/**
		1824	* @brief Check if the USART IDLE line detected Flag is set or not
		1825	* @rmtoll SR IDLE LL_USART_IsActiveFlag_IDLE
		1826	* @param USARTx USART Instance
		1827	* @retval State of bit (1 or 0).
		1828	*/
		1829	__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_IDLE(const USART_TypeDef *USARTx)
		1830	{
		1831	return (READ_BIT(USARTx->SR, USART_SR_IDLE) == (USART_SR_IDLE));
		1832	}
		1833
		1834	/**
		1835	* @brief Check if the USART Read Data Register Not Empty Flag is set or not
		1836	* @rmtoll SR RXNE LL_USART_IsActiveFlag_RXNE
		1837	* @param USARTx USART Instance
		1838	* @retval State of bit (1 or 0).
		1839	*/
		1840	__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_RXNE(const USART_TypeDef *USARTx)
		1841	{
		1842	return (READ_BIT(USARTx->SR, USART_SR_RXNE) == (USART_SR_RXNE));
		1843	}
		1844
		1845	/**
		1846	* @brief Check if the USART Transmission Complete Flag is set or not
		1847	* @rmtoll SR TC LL_USART_IsActiveFlag_TC
		1848	* @param USARTx USART Instance
		1849	* @retval State of bit (1 or 0).
		1850	*/
		1851	__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_TC(const USART_TypeDef *USARTx)
		1852	{
		1853	return (READ_BIT(USARTx->SR, USART_SR_TC) == (USART_SR_TC));
		1854	}
		1855
		1856	/**
		1857	* @brief Check if the USART Transmit Data Register Empty Flag is set or not
		1858	* @rmtoll SR TXE LL_USART_IsActiveFlag_TXE
		1859	* @param USARTx USART Instance
		1860	* @retval State of bit (1 or 0).
		1861	*/
		1862	__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_TXE(const USART_TypeDef *USARTx)
		1863	{
		1864	return (READ_BIT(USARTx->SR, USART_SR_TXE) == (USART_SR_TXE));
		1865	}
		1866
		1867	/**
		1868	* @brief Check if the USART LIN Break Detection Flag is set or not
		1869	* @note Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not
		1870	* LIN feature is supported by the USARTx instance.
		1871	* @rmtoll SR LBD LL_USART_IsActiveFlag_LBD
		1872	* @param USARTx USART Instance
		1873	* @retval State of bit (1 or 0).
		1874	*/
		1875	__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_LBD(const USART_TypeDef *USARTx)
		1876	{
		1877	return (READ_BIT(USARTx->SR, USART_SR_LBD) == (USART_SR_LBD));
		1878	}
		1879
		1880	/**
		1881	* @brief Check if the USART CTS Flag is set or not
		1882	* @note Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not
		1883	* Hardware Flow control feature is supported by the USARTx instance.
		1884	* @rmtoll SR CTS LL_USART_IsActiveFlag_nCTS
		1885	* @param USARTx USART Instance
		1886	* @retval State of bit (1 or 0).
		1887	*/
		1888	__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_nCTS(const USART_TypeDef *USARTx)
		1889	{
		1890	return (READ_BIT(USARTx->SR, USART_SR_CTS) == (USART_SR_CTS));
		1891	}
		1892
		1893	/**
		1894	* @brief Check if the USART Send Break Flag is set or not
		1895	* @rmtoll CR1 SBK LL_USART_IsActiveFlag_SBK
		1896	* @param USARTx USART Instance
		1897	* @retval State of bit (1 or 0).
		1898	*/
		1899	__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_SBK(const USART_TypeDef *USARTx)
		1900	{
		1901	return (READ_BIT(USARTx->CR1, USART_CR1_SBK) == (USART_CR1_SBK));
		1902	}
		1903
		1904	/**
		1905	* @brief Check if the USART Receive Wake Up from mute mode Flag is set or not
		1906	* @rmtoll CR1 RWU LL_USART_IsActiveFlag_RWU
		1907	* @param USARTx USART Instance
		1908	* @retval State of bit (1 or 0).
		1909	*/
		1910	__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_RWU(const USART_TypeDef *USARTx)
		1911	{
		1912	return (READ_BIT(USARTx->CR1, USART_CR1_RWU) == (USART_CR1_RWU));
		1913	}
		1914
		1915	/**
		1916	* @brief Clear Parity Error Flag
		1917	* @note Clearing this flag is done by a read access to the USARTx_SR
		1918	* register followed by a read access to the USARTx_DR register.
		1919	* @note Please also consider that when clearing this flag, other flags as
		1920	* NE, FE, ORE, IDLE would also be cleared.
		1921	* @rmtoll SR PE LL_USART_ClearFlag_PE
		1922	* @param USARTx USART Instance
		1923	* @retval None
		1924	*/
		1925	__STATIC_INLINE void LL_USART_ClearFlag_PE(USART_TypeDef *USARTx)
		1926	{
		1927	__IO uint32_t tmpreg;
		1928	tmpreg = USARTx->SR;
		1929	(void) tmpreg;
		1930	tmpreg = USARTx->DR;
		1931	(void) tmpreg;
		1932	}
		1933
		1934	/**
		1935	* @brief Clear Framing Error Flag
		1936	* @note Clearing this flag is done by a read access to the USARTx_SR
		1937	* register followed by a read access to the USARTx_DR register.
		1938	* @note Please also consider that when clearing this flag, other flags as
		1939	* PE, NE, ORE, IDLE would also be cleared.
		1940	* @rmtoll SR FE LL_USART_ClearFlag_FE
		1941	* @param USARTx USART Instance
		1942	* @retval None
		1943	*/
		1944	__STATIC_INLINE void LL_USART_ClearFlag_FE(USART_TypeDef *USARTx)
		1945	{
		1946	__IO uint32_t tmpreg;
		1947	tmpreg = USARTx->SR;
		1948	(void) tmpreg;
		1949	tmpreg = USARTx->DR;
		1950	(void) tmpreg;
		1951	}
		1952
		1953	/**
		1954	* @brief Clear Noise detected Flag
		1955	* @note Clearing this flag is done by a read access to the USARTx_SR
		1956	* register followed by a read access to the USARTx_DR register.
		1957	* @note Please also consider that when clearing this flag, other flags as
		1958	* PE, FE, ORE, IDLE would also be cleared.
		1959	* @rmtoll SR NF LL_USART_ClearFlag_NE
		1960	* @param USARTx USART Instance
		1961	* @retval None
		1962	*/
		1963	__STATIC_INLINE void LL_USART_ClearFlag_NE(USART_TypeDef *USARTx)
		1964	{
		1965	__IO uint32_t tmpreg;
		1966	tmpreg = USARTx->SR;
		1967	(void) tmpreg;
		1968	tmpreg = USARTx->DR;
		1969	(void) tmpreg;
		1970	}
		1971
		1972	/**
		1973	* @brief Clear OverRun Error Flag
		1974	* @note Clearing this flag is done by a read access to the USARTx_SR
		1975	* register followed by a read access to the USARTx_DR register.
		1976	* @note Please also consider that when clearing this flag, other flags as
		1977	* PE, NE, FE, IDLE would also be cleared.
		1978	* @rmtoll SR ORE LL_USART_ClearFlag_ORE
		1979	* @param USARTx USART Instance
		1980	* @retval None
		1981	*/
		1982	__STATIC_INLINE void LL_USART_ClearFlag_ORE(USART_TypeDef *USARTx)
		1983	{
		1984	__IO uint32_t tmpreg;
		1985	tmpreg = USARTx->SR;
		1986	(void) tmpreg;
		1987	tmpreg = USARTx->DR;
		1988	(void) tmpreg;
		1989	}
		1990
		1991	/**
		1992	* @brief Clear IDLE line detected Flag
		1993	* @note Clearing this flag is done by a read access to the USARTx_SR
		1994	* register followed by a read access to the USARTx_DR register.
		1995	* @note Please also consider that when clearing this flag, other flags as
		1996	* PE, NE, FE, ORE would also be cleared.
		1997	* @rmtoll SR IDLE LL_USART_ClearFlag_IDLE
		1998	* @param USARTx USART Instance
		1999	* @retval None
		2000	*/
		2001	__STATIC_INLINE void LL_USART_ClearFlag_IDLE(USART_TypeDef *USARTx)
		2002	{
		2003	__IO uint32_t tmpreg;
		2004	tmpreg = USARTx->SR;
		2005	(void) tmpreg;
		2006	tmpreg = USARTx->DR;
		2007	(void) tmpreg;
		2008	}
		2009
		2010	/**
		2011	* @brief Clear Transmission Complete Flag
		2012	* @rmtoll SR TC LL_USART_ClearFlag_TC
		2013	* @param USARTx USART Instance
		2014	* @retval None
		2015	*/
		2016	__STATIC_INLINE void LL_USART_ClearFlag_TC(USART_TypeDef *USARTx)
		2017	{
		2018	WRITE_REG(USARTx->SR, ~(USART_SR_TC));
		2019	}
		2020
		2021	/**
		2022	* @brief Clear RX Not Empty Flag
		2023	* @rmtoll SR RXNE LL_USART_ClearFlag_RXNE
		2024	* @param USARTx USART Instance
		2025	* @retval None
		2026	*/
		2027	__STATIC_INLINE void LL_USART_ClearFlag_RXNE(USART_TypeDef *USARTx)
		2028	{
		2029	WRITE_REG(USARTx->SR, ~(USART_SR_RXNE));
		2030	}
		2031
		2032	/**
		2033	* @brief Clear LIN Break Detection Flag
		2034	* @note Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not
		2035	* LIN feature is supported by the USARTx instance.
		2036	* @rmtoll SR LBD LL_USART_ClearFlag_LBD
		2037	* @param USARTx USART Instance
		2038	* @retval None
		2039	*/
		2040	__STATIC_INLINE void LL_USART_ClearFlag_LBD(USART_TypeDef *USARTx)
		2041	{
		2042	WRITE_REG(USARTx->SR, ~(USART_SR_LBD));
		2043	}
		2044
		2045	/**
		2046	* @brief Clear CTS Interrupt Flag
		2047	* @note Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not
		2048	* Hardware Flow control feature is supported by the USARTx instance.
		2049	* @rmtoll SR CTS LL_USART_ClearFlag_nCTS
		2050	* @param USARTx USART Instance
		2051	* @retval None
		2052	*/
		2053	__STATIC_INLINE void LL_USART_ClearFlag_nCTS(USART_TypeDef *USARTx)
		2054	{
		2055	WRITE_REG(USARTx->SR, ~(USART_SR_CTS));
		2056	}
		2057
		2058	/**
		2059	* @}
		2060	*/
		2061
		2062	/** @defgroup USART_LL_EF_IT_Management IT_Management
		2063	* @{
		2064	*/
		2065
		2066	/**
		2067	* @brief Enable IDLE Interrupt
		2068	* @rmtoll CR1 IDLEIE LL_USART_EnableIT_IDLE
		2069	* @param USARTx USART Instance
		2070	* @retval None
		2071	*/
		2072	__STATIC_INLINE void LL_USART_EnableIT_IDLE(USART_TypeDef *USARTx)
		2073	{
		2074	ATOMIC_SET_BIT(USARTx->CR1, USART_CR1_IDLEIE);
		2075	}
		2076
		2077	/**
		2078	* @brief Enable RX Not Empty Interrupt
		2079	* @rmtoll CR1 RXNEIE LL_USART_EnableIT_RXNE
		2080	* @param USARTx USART Instance
		2081	* @retval None
		2082	*/
		2083	__STATIC_INLINE void LL_USART_EnableIT_RXNE(USART_TypeDef *USARTx)
		2084	{
		2085	ATOMIC_SET_BIT(USARTx->CR1, USART_CR1_RXNEIE);
		2086	}
		2087
		2088	/**
		2089	* @brief Enable Transmission Complete Interrupt
		2090	* @rmtoll CR1 TCIE LL_USART_EnableIT_TC
		2091	* @param USARTx USART Instance
		2092	* @retval None
		2093	*/
		2094	__STATIC_INLINE void LL_USART_EnableIT_TC(USART_TypeDef *USARTx)
		2095	{
		2096	ATOMIC_SET_BIT(USARTx->CR1, USART_CR1_TCIE);
		2097	}
		2098
		2099	/**
		2100	* @brief Enable TX Empty Interrupt
		2101	* @rmtoll CR1 TXEIE LL_USART_EnableIT_TXE
		2102	* @param USARTx USART Instance
		2103	* @retval None
		2104	*/
		2105	__STATIC_INLINE void LL_USART_EnableIT_TXE(USART_TypeDef *USARTx)
		2106	{
		2107	ATOMIC_SET_BIT(USARTx->CR1, USART_CR1_TXEIE);
		2108	}
		2109
		2110	/**
		2111	* @brief Enable Parity Error Interrupt
		2112	* @rmtoll CR1 PEIE LL_USART_EnableIT_PE
		2113	* @param USARTx USART Instance
		2114	* @retval None
		2115	*/
		2116	__STATIC_INLINE void LL_USART_EnableIT_PE(USART_TypeDef *USARTx)
		2117	{
		2118	ATOMIC_SET_BIT(USARTx->CR1, USART_CR1_PEIE);
		2119	}
		2120
		2121	/**
		2122	* @brief Enable LIN Break Detection Interrupt
		2123	* @note Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not
		2124	* LIN feature is supported by the USARTx instance.
		2125	* @rmtoll CR2 LBDIE LL_USART_EnableIT_LBD
		2126	* @param USARTx USART Instance
		2127	* @retval None
		2128	*/
		2129	__STATIC_INLINE void LL_USART_EnableIT_LBD(USART_TypeDef *USARTx)
		2130	{
		2131	SET_BIT(USARTx->CR2, USART_CR2_LBDIE);
		2132	}
		2133
		2134	/**
		2135	* @brief Enable Error Interrupt
		2136	* @note When set, Error Interrupt Enable Bit is enabling interrupt generation in case of a framing
		2137	* error, overrun error or noise flag (FE=1 or ORE=1 or NF=1 in the USARTx_SR register).
		2138	* 0: Interrupt is inhibited
		2139	* 1: An interrupt is generated when FE=1 or ORE=1 or NF=1 in the USARTx_SR register.
		2140	* @rmtoll CR3 EIE LL_USART_EnableIT_ERROR
		2141	* @param USARTx USART Instance
		2142	* @retval None
		2143	*/
		2144	__STATIC_INLINE void LL_USART_EnableIT_ERROR(USART_TypeDef *USARTx)
		2145	{
		2146	ATOMIC_SET_BIT(USARTx->CR3, USART_CR3_EIE);
		2147	}
		2148
		2149	/**
		2150	* @brief Enable CTS Interrupt
		2151	* @note Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not
		2152	* Hardware Flow control feature is supported by the USARTx instance.
		2153	* @rmtoll CR3 CTSIE LL_USART_EnableIT_CTS
		2154	* @param USARTx USART Instance
		2155	* @retval None
		2156	*/
		2157	__STATIC_INLINE void LL_USART_EnableIT_CTS(USART_TypeDef *USARTx)
		2158	{
		2159	ATOMIC_SET_BIT(USARTx->CR3, USART_CR3_CTSIE);
		2160	}
		2161
		2162	/**
		2163	* @brief Disable IDLE Interrupt
		2164	* @rmtoll CR1 IDLEIE LL_USART_DisableIT_IDLE
		2165	* @param USARTx USART Instance
		2166	* @retval None
		2167	*/
		2168	__STATIC_INLINE void LL_USART_DisableIT_IDLE(USART_TypeDef *USARTx)
		2169	{
		2170	ATOMIC_CLEAR_BIT(USARTx->CR1, USART_CR1_IDLEIE);
		2171	}
		2172
		2173	/**
		2174	* @brief Disable RX Not Empty Interrupt
		2175	* @rmtoll CR1 RXNEIE LL_USART_DisableIT_RXNE
		2176	* @param USARTx USART Instance
		2177	* @retval None
		2178	*/
		2179	__STATIC_INLINE void LL_USART_DisableIT_RXNE(USART_TypeDef *USARTx)
		2180	{
		2181	ATOMIC_CLEAR_BIT(USARTx->CR1, USART_CR1_RXNEIE);
		2182	}
		2183
		2184	/**
		2185	* @brief Disable Transmission Complete Interrupt
		2186	* @rmtoll CR1 TCIE LL_USART_DisableIT_TC
		2187	* @param USARTx USART Instance
		2188	* @retval None
		2189	*/
		2190	__STATIC_INLINE void LL_USART_DisableIT_TC(USART_TypeDef *USARTx)
		2191	{
		2192	ATOMIC_CLEAR_BIT(USARTx->CR1, USART_CR1_TCIE);
		2193	}
		2194
		2195	/**
		2196	* @brief Disable TX Empty Interrupt
		2197	* @rmtoll CR1 TXEIE LL_USART_DisableIT_TXE
		2198	* @param USARTx USART Instance
		2199	* @retval None
		2200	*/
		2201	__STATIC_INLINE void LL_USART_DisableIT_TXE(USART_TypeDef *USARTx)
		2202	{
		2203	ATOMIC_CLEAR_BIT(USARTx->CR1, USART_CR1_TXEIE);
		2204	}
		2205
		2206	/**
		2207	* @brief Disable Parity Error Interrupt
		2208	* @rmtoll CR1 PEIE LL_USART_DisableIT_PE
		2209	* @param USARTx USART Instance
		2210	* @retval None
		2211	*/
		2212	__STATIC_INLINE void LL_USART_DisableIT_PE(USART_TypeDef *USARTx)
		2213	{
		2214	ATOMIC_CLEAR_BIT(USARTx->CR1, USART_CR1_PEIE);
		2215	}
		2216
		2217	/**
		2218	* @brief Disable LIN Break Detection Interrupt
		2219	* @note Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not
		2220	* LIN feature is supported by the USARTx instance.
		2221	* @rmtoll CR2 LBDIE LL_USART_DisableIT_LBD
		2222	* @param USARTx USART Instance
		2223	* @retval None
		2224	*/
		2225	__STATIC_INLINE void LL_USART_DisableIT_LBD(USART_TypeDef *USARTx)
		2226	{
		2227	CLEAR_BIT(USARTx->CR2, USART_CR2_LBDIE);
		2228	}
		2229
		2230	/**
		2231	* @brief Disable Error Interrupt
		2232	* @note When set, Error Interrupt Enable Bit is enabling interrupt generation in case of a framing
		2233	* error, overrun error or noise flag (FE=1 or ORE=1 or NF=1 in the USARTx_SR register).
		2234	* 0: Interrupt is inhibited
		2235	* 1: An interrupt is generated when FE=1 or ORE=1 or NF=1 in the USARTx_SR register.
		2236	* @rmtoll CR3 EIE LL_USART_DisableIT_ERROR
		2237	* @param USARTx USART Instance
		2238	* @retval None
		2239	*/
		2240	__STATIC_INLINE void LL_USART_DisableIT_ERROR(USART_TypeDef *USARTx)
		2241	{
		2242	ATOMIC_CLEAR_BIT(USARTx->CR3, USART_CR3_EIE);
		2243	}
		2244
		2245	/**
		2246	* @brief Disable CTS Interrupt
		2247	* @note Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not
		2248	* Hardware Flow control feature is supported by the USARTx instance.
		2249	* @rmtoll CR3 CTSIE LL_USART_DisableIT_CTS
		2250	* @param USARTx USART Instance
		2251	* @retval None
		2252	*/
		2253	__STATIC_INLINE void LL_USART_DisableIT_CTS(USART_TypeDef *USARTx)
		2254	{
		2255	ATOMIC_CLEAR_BIT(USARTx->CR3, USART_CR3_CTSIE);
		2256	}
		2257
		2258	/**
		2259	* @brief Check if the USART IDLE Interrupt source is enabled or disabled.
		2260	* @rmtoll CR1 IDLEIE LL_USART_IsEnabledIT_IDLE
		2261	* @param USARTx USART Instance
		2262	* @retval State of bit (1 or 0).
		2263	*/
		2264	__STATIC_INLINE uint32_t LL_USART_IsEnabledIT_IDLE(const USART_TypeDef *USARTx)
		2265	{
		2266	return (READ_BIT(USARTx->CR1, USART_CR1_IDLEIE) == (USART_CR1_IDLEIE));
		2267	}
		2268
		2269	/**
		2270	* @brief Check if the USART RX Not Empty Interrupt is enabled or disabled.
		2271	* @rmtoll CR1 RXNEIE LL_USART_IsEnabledIT_RXNE
		2272	* @param USARTx USART Instance
		2273	* @retval State of bit (1 or 0).
		2274	*/
		2275	__STATIC_INLINE uint32_t LL_USART_IsEnabledIT_RXNE(const USART_TypeDef *USARTx)
		2276	{
		2277	return (READ_BIT(USARTx->CR1, USART_CR1_RXNEIE) == (USART_CR1_RXNEIE));
		2278	}
		2279
		2280	/**
		2281	* @brief Check if the USART Transmission Complete Interrupt is enabled or disabled.
		2282	* @rmtoll CR1 TCIE LL_USART_IsEnabledIT_TC
		2283	* @param USARTx USART Instance
		2284	* @retval State of bit (1 or 0).
		2285	*/
		2286	__STATIC_INLINE uint32_t LL_USART_IsEnabledIT_TC(const USART_TypeDef *USARTx)
		2287	{
		2288	return (READ_BIT(USARTx->CR1, USART_CR1_TCIE) == (USART_CR1_TCIE));
		2289	}
		2290
		2291	/**
		2292	* @brief Check if the USART TX Empty Interrupt is enabled or disabled.
		2293	* @rmtoll CR1 TXEIE LL_USART_IsEnabledIT_TXE
		2294	* @param USARTx USART Instance
		2295	* @retval State of bit (1 or 0).
		2296	*/
		2297	__STATIC_INLINE uint32_t LL_USART_IsEnabledIT_TXE(const USART_TypeDef *USARTx)
		2298	{
		2299	return (READ_BIT(USARTx->CR1, USART_CR1_TXEIE) == (USART_CR1_TXEIE));
		2300	}
		2301
		2302	/**
		2303	* @brief Check if the USART Parity Error Interrupt is enabled or disabled.
		2304	* @rmtoll CR1 PEIE LL_USART_IsEnabledIT_PE
		2305	* @param USARTx USART Instance
		2306	* @retval State of bit (1 or 0).
		2307	*/
		2308	__STATIC_INLINE uint32_t LL_USART_IsEnabledIT_PE(const USART_TypeDef *USARTx)
		2309	{
		2310	return (READ_BIT(USARTx->CR1, USART_CR1_PEIE) == (USART_CR1_PEIE));
		2311	}
		2312
		2313	/**
		2314	* @brief Check if the USART LIN Break Detection Interrupt is enabled or disabled.
		2315	* @note Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not
		2316	* LIN feature is supported by the USARTx instance.
		2317	* @rmtoll CR2 LBDIE LL_USART_IsEnabledIT_LBD
		2318	* @param USARTx USART Instance
		2319	* @retval State of bit (1 or 0).
		2320	*/
		2321	__STATIC_INLINE uint32_t LL_USART_IsEnabledIT_LBD(const USART_TypeDef *USARTx)
		2322	{
		2323	return (READ_BIT(USARTx->CR2, USART_CR2_LBDIE) == (USART_CR2_LBDIE));
		2324	}
		2325
		2326	/**
		2327	* @brief Check if the USART Error Interrupt is enabled or disabled.
		2328	* @rmtoll CR3 EIE LL_USART_IsEnabledIT_ERROR
		2329	* @param USARTx USART Instance
		2330	* @retval State of bit (1 or 0).
		2331	*/
		2332	__STATIC_INLINE uint32_t LL_USART_IsEnabledIT_ERROR(const USART_TypeDef *USARTx)
		2333	{
		2334	return (READ_BIT(USARTx->CR3, USART_CR3_EIE) == (USART_CR3_EIE));
		2335	}
		2336
		2337	/**
		2338	* @brief Check if the USART CTS Interrupt is enabled or disabled.
		2339	* @note Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not
		2340	* Hardware Flow control feature is supported by the USARTx instance.
		2341	* @rmtoll CR3 CTSIE LL_USART_IsEnabledIT_CTS
		2342	* @param USARTx USART Instance
		2343	* @retval State of bit (1 or 0).
		2344	*/
		2345	__STATIC_INLINE uint32_t LL_USART_IsEnabledIT_CTS(const USART_TypeDef *USARTx)
		2346	{
		2347	return (READ_BIT(USARTx->CR3, USART_CR3_CTSIE) == (USART_CR3_CTSIE));
		2348	}
		2349
		2350	/**
		2351	* @}
		2352	*/
		2353
		2354	/** @defgroup USART_LL_EF_DMA_Management DMA_Management
		2355	* @{
		2356	*/
		2357
		2358	/**
		2359	* @brief Enable DMA Mode for reception
		2360	* @rmtoll CR3 DMAR LL_USART_EnableDMAReq_RX
		2361	* @param USARTx USART Instance
		2362	* @retval None
		2363	*/
		2364	__STATIC_INLINE void LL_USART_EnableDMAReq_RX(USART_TypeDef *USARTx)
		2365	{
		2366	ATOMIC_SET_BIT(USARTx->CR3, USART_CR3_DMAR);
		2367	}
		2368
		2369	/**
		2370	* @brief Disable DMA Mode for reception
		2371	* @rmtoll CR3 DMAR LL_USART_DisableDMAReq_RX
		2372	* @param USARTx USART Instance
		2373	* @retval None
		2374	*/
		2375	__STATIC_INLINE void LL_USART_DisableDMAReq_RX(USART_TypeDef *USARTx)
		2376	{
		2377	ATOMIC_CLEAR_BIT(USARTx->CR3, USART_CR3_DMAR);
		2378	}
		2379
		2380	/**
		2381	* @brief Check if DMA Mode is enabled for reception
		2382	* @rmtoll CR3 DMAR LL_USART_IsEnabledDMAReq_RX
		2383	* @param USARTx USART Instance
		2384	* @retval State of bit (1 or 0).
		2385	*/
		2386	__STATIC_INLINE uint32_t LL_USART_IsEnabledDMAReq_RX(const USART_TypeDef *USARTx)
		2387	{
		2388	return (READ_BIT(USARTx->CR3, USART_CR3_DMAR) == (USART_CR3_DMAR));
		2389	}
		2390
		2391	/**
		2392	* @brief Enable DMA Mode for transmission
		2393	* @rmtoll CR3 DMAT LL_USART_EnableDMAReq_TX
		2394	* @param USARTx USART Instance
		2395	* @retval None
		2396	*/
		2397	__STATIC_INLINE void LL_USART_EnableDMAReq_TX(USART_TypeDef *USARTx)
		2398	{
		2399	ATOMIC_SET_BIT(USARTx->CR3, USART_CR3_DMAT);
		2400	}
		2401
		2402	/**
		2403	* @brief Disable DMA Mode for transmission
		2404	* @rmtoll CR3 DMAT LL_USART_DisableDMAReq_TX
		2405	* @param USARTx USART Instance
		2406	* @retval None
		2407	*/
		2408	__STATIC_INLINE void LL_USART_DisableDMAReq_TX(USART_TypeDef *USARTx)
		2409	{
		2410	ATOMIC_CLEAR_BIT(USARTx->CR3, USART_CR3_DMAT);
		2411	}
		2412
		2413	/**
		2414	* @brief Check if DMA Mode is enabled for transmission
		2415	* @rmtoll CR3 DMAT LL_USART_IsEnabledDMAReq_TX
		2416	* @param USARTx USART Instance
		2417	* @retval State of bit (1 or 0).
		2418	*/
		2419	__STATIC_INLINE uint32_t LL_USART_IsEnabledDMAReq_TX(const USART_TypeDef *USARTx)
		2420	{
		2421	return (READ_BIT(USARTx->CR3, USART_CR3_DMAT) == (USART_CR3_DMAT));
		2422	}
		2423
		2424	/**
		2425	* @brief Get the data register address used for DMA transfer
		2426	* @rmtoll DR DR LL_USART_DMA_GetRegAddr
		2427	* @note Address of Data Register is valid for both Transmit and Receive transfers.
		2428	* @param USARTx USART Instance
		2429	* @retval Address of data register
		2430	*/
		2431	__STATIC_INLINE uint32_t LL_USART_DMA_GetRegAddr(const USART_TypeDef *USARTx)
		2432	{
		2433	/* return address of DR register */
		2434	return ((uint32_t) &(USARTx->DR));
		2435	}
		2436
		2437	/**
		2438	* @}
		2439	*/
		2440
		2441	/** @defgroup USART_LL_EF_Data_Management Data_Management
		2442	* @{
		2443	*/
		2444
		2445	/**
		2446	* @brief Read Receiver Data register (Receive Data value, 8 bits)
		2447	* @rmtoll DR DR LL_USART_ReceiveData8
		2448	* @param USARTx USART Instance
		2449	* @retval Value between Min_Data=0x00 and Max_Data=0xFF
		2450	*/
		2451	__STATIC_INLINE uint8_t LL_USART_ReceiveData8(const USART_TypeDef *USARTx)
		2452	{
		2453	return (uint8_t)(READ_BIT(USARTx->DR, USART_DR_DR));
		2454	}
		2455
		2456	/**
		2457	* @brief Read Receiver Data register (Receive Data value, 9 bits)
		2458	* @rmtoll DR DR LL_USART_ReceiveData9
		2459	* @param USARTx USART Instance
		2460	* @retval Value between Min_Data=0x00 and Max_Data=0x1FF
		2461	*/
		2462	__STATIC_INLINE uint16_t LL_USART_ReceiveData9(const USART_TypeDef *USARTx)
		2463	{
		2464	return (uint16_t)(READ_BIT(USARTx->DR, USART_DR_DR));
		2465	}
		2466
		2467	/**
		2468	* @brief Write in Transmitter Data Register (Transmit Data value, 8 bits)
		2469	* @rmtoll DR DR LL_USART_TransmitData8
		2470	* @param USARTx USART Instance
		2471	* @param Value between Min_Data=0x00 and Max_Data=0xFF
		2472	* @retval None
		2473	*/
		2474	__STATIC_INLINE void LL_USART_TransmitData8(USART_TypeDef *USARTx, uint8_t Value)
		2475	{
		2476	USARTx->DR = Value;
		2477	}
		2478
		2479	/**
		2480	* @brief Write in Transmitter Data Register (Transmit Data value, 9 bits)
		2481	* @rmtoll DR DR LL_USART_TransmitData9
		2482	* @param USARTx USART Instance
		2483	* @param Value between Min_Data=0x00 and Max_Data=0x1FF
		2484	* @retval None
		2485	*/
		2486	__STATIC_INLINE void LL_USART_TransmitData9(USART_TypeDef *USARTx, uint16_t Value)
		2487	{
		2488	USARTx->DR = Value & 0x1FFU;
		2489	}
		2490
		2491	/**
		2492	* @}
		2493	*/
		2494
		2495	/** @defgroup USART_LL_EF_Execution Execution
		2496	* @{
		2497	*/
		2498
		2499	/**
		2500	* @brief Request Break sending
		2501	* @rmtoll CR1 SBK LL_USART_RequestBreakSending
		2502	* @param USARTx USART Instance
		2503	* @retval None
		2504	*/
		2505	__STATIC_INLINE void LL_USART_RequestBreakSending(USART_TypeDef *USARTx)
		2506	{
		2507	SET_BIT(USARTx->CR1, USART_CR1_SBK);
		2508	}
		2509
		2510	/**
		2511	* @brief Put USART in Mute mode
		2512	* @rmtoll CR1 RWU LL_USART_RequestEnterMuteMode
		2513	* @param USARTx USART Instance
		2514	* @retval None
		2515	*/
		2516	__STATIC_INLINE void LL_USART_RequestEnterMuteMode(USART_TypeDef *USARTx)
		2517	{
		2518	SET_BIT(USARTx->CR1, USART_CR1_RWU);
		2519	}
		2520
		2521	/**
		2522	* @brief Put USART in Active mode
		2523	* @rmtoll CR1 RWU LL_USART_RequestExitMuteMode
		2524	* @param USARTx USART Instance
		2525	* @retval None
		2526	*/
		2527	__STATIC_INLINE void LL_USART_RequestExitMuteMode(USART_TypeDef *USARTx)
		2528	{
		2529	CLEAR_BIT(USARTx->CR1, USART_CR1_RWU);
		2530	}
		2531
		2532	/**
		2533	* @}
		2534	*/
		2535
		2536	#if defined(USE_FULL_LL_DRIVER)
		2537	/** @defgroup USART_LL_EF_Init Initialization and de-initialization functions
		2538	* @{
		2539	*/
		2540	ErrorStatus LL_USART_DeInit(const USART_TypeDef *USARTx);
		2541	ErrorStatus LL_USART_Init(USART_TypeDef USARTx, const LL_USART_InitTypeDef USART_InitStruct);
		2542	void LL_USART_StructInit(LL_USART_InitTypeDef *USART_InitStruct);
		2543	ErrorStatus LL_USART_ClockInit(USART_TypeDef USARTx, const LL_USART_ClockInitTypeDef USART_ClockInitStruct);
		2544	void LL_USART_ClockStructInit(LL_USART_ClockInitTypeDef *USART_ClockInitStruct);
		2545	/**
		2546	* @}
		2547	*/
		2548	#endif /* USE_FULL_LL_DRIVER */
		2549
		2550	/**
		2551	* @}
		2552	*/
		2553
		2554	/**
		2555	* @}
		2556	*/
		2557
		2558	#endif /* USART1 \|\| USART2 \|\| USART3 \|\| UART4 \|\| UART5 */
		2559
		2560	/**
		2561	* @}
		2562	*/
		2563
		2564	#ifdef __cplusplus
		2565	}
		2566	#endif
		2567
		2568	#endif /* __STM32F1xx_LL_USART_H */
		2569

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(root)/trunk/Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_ll_usart.h – Rev 2