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Rev	Author	Line No.	Line
56	mjames	1	/**
		2	******************************************************************************
		3	* @file stm32l1xx_ll_usart.h
		4	* @author MCD Application Team
		5	* @brief Header file of USART LL module.
		6	******************************************************************************
		7	* @attention
		8	*
		9	* <h2><center>© Copyright (c) 2016 STMicroelectronics.
		10	* All rights reserved.</center></h2>
		11	*
		12	* This software component is licensed by ST under BSD 3-Clause license,
		13	* the "License"; You may not use this file except in compliance with the
		14	* License. You may obtain a copy of the License at:
		15	* opensource.org/licenses/BSD-3-Clause
		16	*
		17	******************************************************************************
		18	*/
		19
		20	/* Define to prevent recursive inclusion -------------------------------------*/
		21	#ifndef __STM32L1xx_LL_USART_H
		22	#define __STM32L1xx_LL_USART_H
		23
		24	#ifdef __cplusplus
		25	extern "C" {
		26	#endif
		27
		28	/* Includes ------------------------------------------------------------------*/
		29	#include "stm32l1xx.h"
		30
		31	/** @addtogroup STM32L1xx_LL_Driver
		32	* @{
		33	*/
		34
		35	#if defined (USART1) \|\| defined (USART2) \|\| defined (USART3) \|\| defined (UART4) \|\| defined (UART5)
		36
		37	/** @defgroup USART_LL USART
		38	* @{
		39	*/
		40
		41	/* Private types -------------------------------------------------------------*/
		42	/* Private variables ---------------------------------------------------------*/
		43
		44	/* Private constants ---------------------------------------------------------*/
		45	/** @defgroup USART_LL_Private_Constants USART Private Constants
		46	* @{
		47	*/
		48
		49	/* Defines used for the bit position in the register and perform offsets*/
		50	#define USART_POSITION_GTPR_GT USART_GTPR_GT_Pos
		51	/**
		52	* @}
		53	*/
		54
		55	/* Private macros ------------------------------------------------------------*/
		56	#if defined(USE_FULL_LL_DRIVER)
		57	/** @defgroup USART_LL_Private_Macros USART Private Macros
		58	* @{
		59	*/
		60	/**
		61	* @}
		62	*/
		63	#endif /USE_FULL_LL_DRIVER/
		64
		65	/* Exported types ------------------------------------------------------------*/
		66	#if defined(USE_FULL_LL_DRIVER)
		67	/** @defgroup USART_LL_ES_INIT USART Exported Init structures
		68	* @{
		69	*/
		70
		71	/**
		72	* @brief LL USART Init Structure definition
		73	*/
		74	typedef struct
		75	{
		76	uint32_t BaudRate; /*!< This field defines expected Usart communication baud rate.
		77
		78	This feature can be modified afterwards using unitary function @ref LL_USART_SetBaudRate().*/
		79
		80	uint32_t DataWidth; /*!< Specifies the number of data bits transmitted or received in a frame.
		81	This parameter can be a value of @ref USART_LL_EC_DATAWIDTH.
		82
		83	This feature can be modified afterwards using unitary function @ref LL_USART_SetDataWidth().*/
		84
		85	uint32_t StopBits; /*!< Specifies the number of stop bits transmitted.
		86	This parameter can be a value of @ref USART_LL_EC_STOPBITS.
		87
		88	This feature can be modified afterwards using unitary function @ref LL_USART_SetStopBitsLength().*/
		89
		90	uint32_t Parity; /*!< Specifies the parity mode.
		91	This parameter can be a value of @ref USART_LL_EC_PARITY.
		92
		93	This feature can be modified afterwards using unitary function @ref LL_USART_SetParity().*/
		94
		95	uint32_t TransferDirection; /*!< Specifies whether the Receive and/or Transmit mode is enabled or disabled.
		96	This parameter can be a value of @ref USART_LL_EC_DIRECTION.
		97
		98	This feature can be modified afterwards using unitary function @ref LL_USART_SetTransferDirection().*/
		99
		100	uint32_t HardwareFlowControl; /*!< Specifies whether the hardware flow control mode is enabled or disabled.
		101	This parameter can be a value of @ref USART_LL_EC_HWCONTROL.
		102
		103	This feature can be modified afterwards using unitary function @ref LL_USART_SetHWFlowCtrl().*/
		104
		105	uint32_t OverSampling; /*!< Specifies whether USART oversampling mode is 16 or 8.
		106	This parameter can be a value of @ref USART_LL_EC_OVERSAMPLING.
		107
		108	This feature can be modified afterwards using unitary function @ref LL_USART_SetOverSampling().*/
		109
		110	} LL_USART_InitTypeDef;
		111
		112	/**
		113	* @brief LL USART Clock Init Structure definition
		114	*/
		115	typedef struct
		116	{
		117	uint32_t ClockOutput; /*!< Specifies whether the USART clock is enabled or disabled.
		118	This parameter can be a value of @ref USART_LL_EC_CLOCK.
		119
		120	USART HW configuration can be modified afterwards using unitary functions
		121	@ref LL_USART_EnableSCLKOutput() or @ref LL_USART_DisableSCLKOutput().
		122	For more details, refer to description of this function. */
		123
		124	uint32_t ClockPolarity; /*!< Specifies the steady state of the serial clock.
		125	This parameter can be a value of @ref USART_LL_EC_POLARITY.
		126
		127	USART HW configuration can be modified afterwards using unitary functions @ref LL_USART_SetClockPolarity().
		128	For more details, refer to description of this function. */
		129
		130	uint32_t ClockPhase; /*!< Specifies the clock transition on which the bit capture is made.
		131	This parameter can be a value of @ref USART_LL_EC_PHASE.
		132
		133	USART HW configuration can be modified afterwards using unitary functions @ref LL_USART_SetClockPhase().
		134	For more details, refer to description of this function. */
		135
		136	uint32_t LastBitClockPulse; /*!< Specifies whether the clock pulse corresponding to the last transmitted
		137	data bit (MSB) has to be output on the SCLK pin in synchronous mode.
		138	This parameter can be a value of @ref USART_LL_EC_LASTCLKPULSE.
		139
		140	USART HW configuration can be modified afterwards using unitary functions @ref LL_USART_SetLastClkPulseOutput().
		141	For more details, refer to description of this function. */
		142
		143	} LL_USART_ClockInitTypeDef;
		144
		145	/**
		146	* @}
		147	*/
		148	#endif /* USE_FULL_LL_DRIVER */
		149
		150	/* Exported constants --------------------------------------------------------*/
		151	/** @defgroup USART_LL_Exported_Constants USART Exported Constants
		152	* @{
		153	*/
		154
		155	/** @defgroup USART_LL_EC_GET_FLAG Get Flags Defines
		156	* @brief Flags defines which can be used with LL_USART_ReadReg function
		157	* @{
		158	*/
		159	#define LL_USART_SR_PE USART_SR_PE /!< Parity error flag /
		160	#define LL_USART_SR_FE USART_SR_FE /!< Framing error flag /
		161	#define LL_USART_SR_NE USART_SR_NE /!< Noise detected flag /
		162	#define LL_USART_SR_ORE USART_SR_ORE /!< Overrun error flag /
		163	#define LL_USART_SR_IDLE USART_SR_IDLE /!< Idle line detected flag /
		164	#define LL_USART_SR_RXNE USART_SR_RXNE /!< Read data register not empty flag /
		165	#define LL_USART_SR_TC USART_SR_TC /!< Transmission complete flag /
		166	#define LL_USART_SR_TXE USART_SR_TXE /!< Transmit data register empty flag /
		167	#define LL_USART_SR_LBD USART_SR_LBD /!< LIN break detection flag /
		168	#define LL_USART_SR_CTS USART_SR_CTS /!< CTS flag /
		169	/**
		170	* @}
		171	*/
		172
		173	/** @defgroup USART_LL_EC_IT IT Defines
		174	* @brief IT defines which can be used with LL_USART_ReadReg and LL_USART_WriteReg functions
		175	* @{
		176	*/
		177	#define LL_USART_CR1_IDLEIE USART_CR1_IDLEIE /!< IDLE interrupt enable /
		178	#define LL_USART_CR1_RXNEIE USART_CR1_RXNEIE /!< Read data register not empty interrupt enable /
		179	#define LL_USART_CR1_TCIE USART_CR1_TCIE /!< Transmission complete interrupt enable /
		180	#define LL_USART_CR1_TXEIE USART_CR1_TXEIE /!< Transmit data register empty interrupt enable /
		181	#define LL_USART_CR1_PEIE USART_CR1_PEIE /!< Parity error /
		182	#define LL_USART_CR2_LBDIE USART_CR2_LBDIE /!< LIN break detection interrupt enable /
		183	#define LL_USART_CR3_EIE USART_CR3_EIE /!< Error interrupt enable /
		184	#define LL_USART_CR3_CTSIE USART_CR3_CTSIE /!< CTS interrupt enable /
		185	/**
		186	* @}
		187	*/
		188
		189	/** @defgroup USART_LL_EC_DIRECTION Communication Direction
		190	* @{
		191	*/
		192	#define LL_USART_DIRECTION_NONE 0x00000000U /!< Transmitter and Receiver are disabled /
		193	#define LL_USART_DIRECTION_RX USART_CR1_RE /!< Transmitter is disabled and Receiver is enabled /
		194	#define LL_USART_DIRECTION_TX USART_CR1_TE /!< Transmitter is enabled and Receiver is disabled /
		195	#define LL_USART_DIRECTION_TX_RX (USART_CR1_TE \|USART_CR1_RE) /!< Transmitter and Receiver are enabled /
		196	/**
		197	* @}
		198	*/
		199
		200	/** @defgroup USART_LL_EC_PARITY Parity Control
		201	* @{
		202	*/
		203	#define LL_USART_PARITY_NONE 0x00000000U /!< Parity control disabled /
		204	#define LL_USART_PARITY_EVEN USART_CR1_PCE /!< Parity control enabled and Even Parity is selected /
		205	#define LL_USART_PARITY_ODD (USART_CR1_PCE \| USART_CR1_PS) /!< Parity control enabled and Odd Parity is selected /
		206	/**
		207	* @}
		208	*/
		209
		210	/** @defgroup USART_LL_EC_WAKEUP Wakeup
		211	* @{
		212	*/
		213	#define LL_USART_WAKEUP_IDLELINE 0x00000000U /!< USART wake up from Mute mode on Idle Line /
		214	#define LL_USART_WAKEUP_ADDRESSMARK USART_CR1_WAKE /!< USART wake up from Mute mode on Address Mark /
		215	/**
		216	* @}
		217	*/
		218
		219	/** @defgroup USART_LL_EC_DATAWIDTH Datawidth
		220	* @{
		221	*/
		222	#define LL_USART_DATAWIDTH_8B 0x00000000U /!< 8 bits word length : Start bit, 8 data bits, n stop bits /
		223	#define LL_USART_DATAWIDTH_9B USART_CR1_M /!< 9 bits word length : Start bit, 9 data bits, n stop bits /
		224	/**
		225	* @}
		226	*/
		227
		228	/** @defgroup USART_LL_EC_OVERSAMPLING Oversampling
		229	* @{
		230	*/
		231	#define LL_USART_OVERSAMPLING_16 0x00000000U /!< Oversampling by 16 /
		232	#define LL_USART_OVERSAMPLING_8 USART_CR1_OVER8 /!< Oversampling by 8 /
		233	/**
		234	* @}
		235	*/
		236
		237	#if defined(USE_FULL_LL_DRIVER)
		238	/** @defgroup USART_LL_EC_CLOCK Clock Signal
		239	* @{
		240	*/
		241
		242	#define LL_USART_CLOCK_DISABLE 0x00000000U /!< Clock signal not provided /
		243	#define LL_USART_CLOCK_ENABLE USART_CR2_CLKEN /!< Clock signal provided /
		244	/**
		245	* @}
		246	*/
		247	#endif /USE_FULL_LL_DRIVER/
		248
		249	/** @defgroup USART_LL_EC_LASTCLKPULSE Last Clock Pulse
		250	* @{
		251	*/
		252	#define LL_USART_LASTCLKPULSE_NO_OUTPUT 0x00000000U /!< The clock pulse of the last data bit is not output to the SCLK pin /
		253	#define LL_USART_LASTCLKPULSE_OUTPUT USART_CR2_LBCL /!< The clock pulse of the last data bit is output to the SCLK pin /
		254	/**
		255	* @}
		256	*/
		257
		258	/** @defgroup USART_LL_EC_PHASE Clock Phase
		259	* @{
		260	*/
		261	#define LL_USART_PHASE_1EDGE 0x00000000U /!< The first clock transition is the first data capture edge /
		262	#define LL_USART_PHASE_2EDGE USART_CR2_CPHA /!< The second clock transition is the first data capture edge /
		263	/**
		264	* @}
		265	*/
		266
		267	/** @defgroup USART_LL_EC_POLARITY Clock Polarity
		268	* @{
		269	*/
		270	#define LL_USART_POLARITY_LOW 0x00000000U /!< Steady low value on SCLK pin outside transmission window/
		271	#define LL_USART_POLARITY_HIGH USART_CR2_CPOL /!< Steady high value on SCLK pin outside transmission window /
		272	/**
		273	* @}
		274	*/
		275
		276	/** @defgroup USART_LL_EC_STOPBITS Stop Bits
		277	* @{
		278	*/
		279	#define LL_USART_STOPBITS_0_5 USART_CR2_STOP_0 /!< 0.5 stop bit /
		280	#define LL_USART_STOPBITS_1 0x00000000U /!< 1 stop bit /
		281	#define LL_USART_STOPBITS_1_5 (USART_CR2_STOP_0 \| USART_CR2_STOP_1) /!< 1.5 stop bits /
		282	#define LL_USART_STOPBITS_2 USART_CR2_STOP_1 /!< 2 stop bits /
		283	/**
		284	* @}
		285	*/
		286
		287	/** @defgroup USART_LL_EC_HWCONTROL Hardware Control
		288	* @{
		289	*/
		290	#define LL_USART_HWCONTROL_NONE 0x00000000U /!< CTS and RTS hardware flow control disabled /
		291	#define LL_USART_HWCONTROL_RTS USART_CR3_RTSE /!< RTS output enabled, data is only requested when there is space in the receive buffer /
		292	#define LL_USART_HWCONTROL_CTS USART_CR3_CTSE /!< CTS mode enabled, data is only transmitted when the nCTS input is asserted (tied to 0) /
		293	#define LL_USART_HWCONTROL_RTS_CTS (USART_CR3_RTSE \| USART_CR3_CTSE) /!< CTS and RTS hardware flow control enabled /
		294	/**
		295	* @}
		296	*/
		297
		298	/** @defgroup USART_LL_EC_IRDA_POWER IrDA Power
		299	* @{
		300	*/
		301	#define LL_USART_IRDA_POWER_NORMAL 0x00000000U /!< IrDA normal power mode /
		302	#define LL_USART_IRDA_POWER_LOW USART_CR3_IRLP /!< IrDA low power mode /
		303	/**
		304	* @}
		305	*/
		306
		307	/** @defgroup USART_LL_EC_LINBREAK_DETECT LIN Break Detection Length
		308	* @{
		309	*/
		310	#define LL_USART_LINBREAK_DETECT_10B 0x00000000U /!< 10-bit break detection method selected /
		311	#define LL_USART_LINBREAK_DETECT_11B USART_CR2_LBDL /!< 11-bit break detection method selected /
		312	/**
		313	* @}
		314	*/
		315
		316	/**
		317	* @}
		318	*/
		319
		320	/* Exported macro ------------------------------------------------------------*/
		321	/** @defgroup USART_LL_Exported_Macros USART Exported Macros
		322	* @{
		323	*/
		324
		325	/** @defgroup USART_LL_EM_WRITE_READ Common Write and read registers Macros
		326	* @{
		327	*/
		328
		329	/**
		330	* @brief Write a value in USART register
		331	* @param __INSTANCE__ USART Instance
		332	* @param __REG__ Register to be written
		333	* @param __VALUE__ Value to be written in the register
		334	* @retval None
		335	*/
		336	#define LL_USART_WriteReg(__INSTANCE__, __REG__, __VALUE__) WRITE_REG(__INSTANCE__->__REG__, (__VALUE__))
		337
		338	/**
		339	* @brief Read a value in USART register
		340	* @param __INSTANCE__ USART Instance
		341	* @param __REG__ Register to be read
		342	* @retval Register value
		343	*/
		344	#define LL_USART_ReadReg(__INSTANCE__, __REG__) READ_REG(__INSTANCE__->__REG__)
		345	/**
		346	* @}
		347	*/
		348
		349	/** @defgroup USART_LL_EM_Exported_Macros_Helper Exported_Macros_Helper
		350	* @{
		351	*/
		352
		353	/**
		354	* @brief Compute USARTDIV value according to Peripheral Clock and
		355	* expected Baud Rate in 8 bits sampling mode (32 bits value of USARTDIV is returned)
		356	* @param __PERIPHCLK__ Peripheral Clock frequency used for USART instance
		357	* @param __BAUDRATE__ Baud rate value to achieve
		358	* @retval USARTDIV value to be used for BRR register filling in OverSampling_8 case
		359	*/
		360	#define __LL_USART_DIV_SAMPLING8_100(__PERIPHCLK__, __BAUDRATE__) (((__PERIPHCLK__)25)/(2(__BAUDRATE__)))
		361	#define __LL_USART_DIVMANT_SAMPLING8(__PERIPHCLK__, __BAUDRATE__) (__LL_USART_DIV_SAMPLING8_100((__PERIPHCLK__), (__BAUDRATE__))/100)
		362	#define __LL_USART_DIVFRAQ_SAMPLING8(__PERIPHCLK__, __BAUDRATE__) (((__LL_USART_DIV_SAMPLING8_100((__PERIPHCLK__), (__BAUDRATE__)) - (__LL_USART_DIVMANT_SAMPLING8((__PERIPHCLK__), (__BAUDRATE__)) * 100)) * 8 + 50) / 100)
		363	/* UART BRR = mantissa + overflow + fraction
		364	= (UART DIVMANT << 4) + ((UART DIVFRAQ & 0xF8) << 1) + (UART DIVFRAQ & 0x07) */
		365	#define __LL_USART_DIV_SAMPLING8(__PERIPHCLK__, __BAUDRATE__) (((__LL_USART_DIVMANT_SAMPLING8((__PERIPHCLK__), (__BAUDRATE__)) << 4) + \
		366	((__LL_USART_DIVFRAQ_SAMPLING8((__PERIPHCLK__), (__BAUDRATE__)) & 0xF8) << 1)) + \
		367	(__LL_USART_DIVFRAQ_SAMPLING8((__PERIPHCLK__), (__BAUDRATE__)) & 0x07))
		368
		369	/**
		370	* @brief Compute USARTDIV value according to Peripheral Clock and
		371	* expected Baud Rate in 16 bits sampling mode (32 bits value of USARTDIV is returned)
		372	* @param __PERIPHCLK__ Peripheral Clock frequency used for USART instance
		373	* @param __BAUDRATE__ Baud rate value to achieve
		374	* @retval USARTDIV value to be used for BRR register filling in OverSampling_16 case
		375	*/
		376	#define __LL_USART_DIV_SAMPLING16_100(__PERIPHCLK__, __BAUDRATE__) (((__PERIPHCLK__)25)/(4(__BAUDRATE__)))
		377	#define __LL_USART_DIVMANT_SAMPLING16(__PERIPHCLK__, __BAUDRATE__) (__LL_USART_DIV_SAMPLING16_100((__PERIPHCLK__), (__BAUDRATE__))/100)
		378	#define __LL_USART_DIVFRAQ_SAMPLING16(__PERIPHCLK__, __BAUDRATE__) ((((__LL_USART_DIV_SAMPLING16_100((__PERIPHCLK__), (__BAUDRATE__)) - (__LL_USART_DIVMANT_SAMPLING16((__PERIPHCLK__), (__BAUDRATE__)) * 100)) * 16) + 50) / 100)
		379	/* USART BRR = mantissa + overflow + fraction
		380	= (USART DIVMANT << 4) + (USART DIVFRAQ & 0xF0) + (USART DIVFRAQ & 0x0F) */
		381	#define __LL_USART_DIV_SAMPLING16(__PERIPHCLK__, __BAUDRATE__) (((__LL_USART_DIVMANT_SAMPLING16((__PERIPHCLK__), (__BAUDRATE__)) << 4) + \
		382	(__LL_USART_DIVFRAQ_SAMPLING16((__PERIPHCLK__), (__BAUDRATE__)) & 0xF0)) + \
		383	(__LL_USART_DIVFRAQ_SAMPLING16((__PERIPHCLK__), (__BAUDRATE__)) & 0x0F))
		384
		385	/**
		386	* @}
		387	*/
		388
		389	/**
		390	* @}
		391	*/
		392
		393	/* Exported functions --------------------------------------------------------*/
		394
		395	/** @defgroup USART_LL_Exported_Functions USART Exported Functions
		396	* @{
		397	*/
		398
		399	/** @defgroup USART_LL_EF_Configuration Configuration functions
		400	* @{
		401	*/
		402
		403	/**
		404	* @brief USART Enable
		405	* @rmtoll CR1 UE LL_USART_Enable
		406	* @param USARTx USART Instance
		407	* @retval None
		408	*/
		409	__STATIC_INLINE void LL_USART_Enable(USART_TypeDef *USARTx)
		410	{
		411	SET_BIT(USARTx->CR1, USART_CR1_UE);
		412	}
		413
		414	/**
		415	* @brief USART Disable (all USART prescalers and outputs are disabled)
		416	* @note When USART is disabled, USART prescalers and outputs are stopped immediately,
		417	* and current operations are discarded. The configuration of the USART is kept, but all the status
		418	* flags, in the USARTx_SR are set to their default values.
		419	* @rmtoll CR1 UE LL_USART_Disable
		420	* @param USARTx USART Instance
		421	* @retval None
		422	*/
		423	__STATIC_INLINE void LL_USART_Disable(USART_TypeDef *USARTx)
		424	{
		425	CLEAR_BIT(USARTx->CR1, USART_CR1_UE);
		426	}
		427
		428	/**
		429	* @brief Indicate if USART is enabled
		430	* @rmtoll CR1 UE LL_USART_IsEnabled
		431	* @param USARTx USART Instance
		432	* @retval State of bit (1 or 0).
		433	*/
		434	__STATIC_INLINE uint32_t LL_USART_IsEnabled(USART_TypeDef *USARTx)
		435	{
		436	return (READ_BIT(USARTx->CR1, USART_CR1_UE) == (USART_CR1_UE));
		437	}
		438
		439	/**
		440	* @brief Receiver Enable (Receiver is enabled and begins searching for a start bit)
		441	* @rmtoll CR1 RE LL_USART_EnableDirectionRx
		442	* @param USARTx USART Instance
		443	* @retval None
		444	*/
		445	__STATIC_INLINE void LL_USART_EnableDirectionRx(USART_TypeDef *USARTx)
		446	{
		447	SET_BIT(USARTx->CR1, USART_CR1_RE);
		448	}
		449
		450	/**
		451	* @brief Receiver Disable
		452	* @rmtoll CR1 RE LL_USART_DisableDirectionRx
		453	* @param USARTx USART Instance
		454	* @retval None
		455	*/
		456	__STATIC_INLINE void LL_USART_DisableDirectionRx(USART_TypeDef *USARTx)
		457	{
		458	CLEAR_BIT(USARTx->CR1, USART_CR1_RE);
		459	}
		460
		461	/**
		462	* @brief Transmitter Enable
		463	* @rmtoll CR1 TE LL_USART_EnableDirectionTx
		464	* @param USARTx USART Instance
		465	* @retval None
		466	*/
		467	__STATIC_INLINE void LL_USART_EnableDirectionTx(USART_TypeDef *USARTx)
		468	{
		469	SET_BIT(USARTx->CR1, USART_CR1_TE);
		470	}
		471
		472	/**
		473	* @brief Transmitter Disable
		474	* @rmtoll CR1 TE LL_USART_DisableDirectionTx
		475	* @param USARTx USART Instance
		476	* @retval None
		477	*/
		478	__STATIC_INLINE void LL_USART_DisableDirectionTx(USART_TypeDef *USARTx)
		479	{
		480	CLEAR_BIT(USARTx->CR1, USART_CR1_TE);
		481	}
		482
		483	/**
		484	* @brief Configure simultaneously enabled/disabled states
		485	* of Transmitter and Receiver
		486	* @rmtoll CR1 RE LL_USART_SetTransferDirection\n
		487	* CR1 TE LL_USART_SetTransferDirection
		488	* @param USARTx USART Instance
		489	* @param TransferDirection This parameter can be one of the following values:
		490	* @arg @ref LL_USART_DIRECTION_NONE
		491	* @arg @ref LL_USART_DIRECTION_RX
		492	* @arg @ref LL_USART_DIRECTION_TX
		493	* @arg @ref LL_USART_DIRECTION_TX_RX
		494	* @retval None
		495	*/
		496	__STATIC_INLINE void LL_USART_SetTransferDirection(USART_TypeDef *USARTx, uint32_t TransferDirection)
		497	{
		498	MODIFY_REG(USARTx->CR1, USART_CR1_RE \| USART_CR1_TE, TransferDirection);
		499	}
		500
		501	/**
		502	* @brief Return enabled/disabled states of Transmitter and Receiver
		503	* @rmtoll CR1 RE LL_USART_GetTransferDirection\n
		504	* CR1 TE LL_USART_GetTransferDirection
		505	* @param USARTx USART Instance
		506	* @retval Returned value can be one of the following values:
		507	* @arg @ref LL_USART_DIRECTION_NONE
		508	* @arg @ref LL_USART_DIRECTION_RX
		509	* @arg @ref LL_USART_DIRECTION_TX
		510	* @arg @ref LL_USART_DIRECTION_TX_RX
		511	*/
		512	__STATIC_INLINE uint32_t LL_USART_GetTransferDirection(USART_TypeDef *USARTx)
		513	{
		514	return (uint32_t)(READ_BIT(USARTx->CR1, USART_CR1_RE \| USART_CR1_TE));
		515	}
		516
		517	/**
		518	* @brief Configure Parity (enabled/disabled and parity mode if enabled).
		519	* @note This function selects if hardware parity control (generation and detection) is enabled or disabled.
		520	* When the parity control is enabled (Odd or Even), computed parity bit is inserted at the MSB position
		521	* (9th or 8th bit depending on data width) and parity is checked on the received data.
		522	* @rmtoll CR1 PS LL_USART_SetParity\n
		523	* CR1 PCE LL_USART_SetParity
		524	* @param USARTx USART Instance
		525	* @param Parity This parameter can be one of the following values:
		526	* @arg @ref LL_USART_PARITY_NONE
		527	* @arg @ref LL_USART_PARITY_EVEN
		528	* @arg @ref LL_USART_PARITY_ODD
		529	* @retval None
		530	*/
		531	__STATIC_INLINE void LL_USART_SetParity(USART_TypeDef *USARTx, uint32_t Parity)
		532	{
		533	MODIFY_REG(USARTx->CR1, USART_CR1_PS \| USART_CR1_PCE, Parity);
		534	}
		535
		536	/**
		537	* @brief Return Parity configuration (enabled/disabled and parity mode if enabled)
		538	* @rmtoll CR1 PS LL_USART_GetParity\n
		539	* CR1 PCE LL_USART_GetParity
		540	* @param USARTx USART Instance
		541	* @retval Returned value can be one of the following values:
		542	* @arg @ref LL_USART_PARITY_NONE
		543	* @arg @ref LL_USART_PARITY_EVEN
		544	* @arg @ref LL_USART_PARITY_ODD
		545	*/
		546	__STATIC_INLINE uint32_t LL_USART_GetParity(USART_TypeDef *USARTx)
		547	{
		548	return (uint32_t)(READ_BIT(USARTx->CR1, USART_CR1_PS \| USART_CR1_PCE));
		549	}
		550
		551	/**
		552	* @brief Set Receiver Wake Up method from Mute mode.
		553	* @rmtoll CR1 WAKE LL_USART_SetWakeUpMethod
		554	* @param USARTx USART Instance
		555	* @param Method This parameter can be one of the following values:
		556	* @arg @ref LL_USART_WAKEUP_IDLELINE
		557	* @arg @ref LL_USART_WAKEUP_ADDRESSMARK
		558	* @retval None
		559	*/
		560	__STATIC_INLINE void LL_USART_SetWakeUpMethod(USART_TypeDef *USARTx, uint32_t Method)
		561	{
		562	MODIFY_REG(USARTx->CR1, USART_CR1_WAKE, Method);
		563	}
		564
		565	/**
		566	* @brief Return Receiver Wake Up method from Mute mode
		567	* @rmtoll CR1 WAKE LL_USART_GetWakeUpMethod
		568	* @param USARTx USART Instance
		569	* @retval Returned value can be one of the following values:
		570	* @arg @ref LL_USART_WAKEUP_IDLELINE
		571	* @arg @ref LL_USART_WAKEUP_ADDRESSMARK
		572	*/
		573	__STATIC_INLINE uint32_t LL_USART_GetWakeUpMethod(USART_TypeDef *USARTx)
		574	{
		575	return (uint32_t)(READ_BIT(USARTx->CR1, USART_CR1_WAKE));
		576	}
		577
		578	/**
		579	* @brief Set Word length (i.e. nb of data bits, excluding start and stop bits)
		580	* @rmtoll CR1 M LL_USART_SetDataWidth
		581	* @param USARTx USART Instance
		582	* @param DataWidth This parameter can be one of the following values:
		583	* @arg @ref LL_USART_DATAWIDTH_8B
		584	* @arg @ref LL_USART_DATAWIDTH_9B
		585	* @retval None
		586	*/
		587	__STATIC_INLINE void LL_USART_SetDataWidth(USART_TypeDef *USARTx, uint32_t DataWidth)
		588	{
		589	MODIFY_REG(USARTx->CR1, USART_CR1_M, DataWidth);
		590	}
		591
		592	/**
		593	* @brief Return Word length (i.e. nb of data bits, excluding start and stop bits)
		594	* @rmtoll CR1 M LL_USART_GetDataWidth
		595	* @param USARTx USART Instance
		596	* @retval Returned value can be one of the following values:
		597	* @arg @ref LL_USART_DATAWIDTH_8B
		598	* @arg @ref LL_USART_DATAWIDTH_9B
		599	*/
		600	__STATIC_INLINE uint32_t LL_USART_GetDataWidth(USART_TypeDef *USARTx)
		601	{
		602	return (uint32_t)(READ_BIT(USARTx->CR1, USART_CR1_M));
		603	}
		604
		605	/**
		606	* @brief Set Oversampling to 8-bit or 16-bit mode
		607	* @rmtoll CR1 OVER8 LL_USART_SetOverSampling
		608	* @param USARTx USART Instance
		609	* @param OverSampling This parameter can be one of the following values:
		610	* @arg @ref LL_USART_OVERSAMPLING_16
		611	* @arg @ref LL_USART_OVERSAMPLING_8
		612	* @retval None
		613	*/
		614	__STATIC_INLINE void LL_USART_SetOverSampling(USART_TypeDef *USARTx, uint32_t OverSampling)
		615	{
		616	MODIFY_REG(USARTx->CR1, USART_CR1_OVER8, OverSampling);
		617	}
		618
		619	/**
		620	* @brief Return Oversampling mode
		621	* @rmtoll CR1 OVER8 LL_USART_GetOverSampling
		622	* @param USARTx USART Instance
		623	* @retval Returned value can be one of the following values:
		624	* @arg @ref LL_USART_OVERSAMPLING_16
		625	* @arg @ref LL_USART_OVERSAMPLING_8
		626	*/
		627	__STATIC_INLINE uint32_t LL_USART_GetOverSampling(USART_TypeDef *USARTx)
		628	{
		629	return (uint32_t)(READ_BIT(USARTx->CR1, USART_CR1_OVER8));
		630	}
		631
		632	/**
		633	* @brief Configure if Clock pulse of the last data bit is output to the SCLK pin or not
		634	* @note Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not
		635	* Synchronous mode is supported by the USARTx instance.
		636	* @rmtoll CR2 LBCL LL_USART_SetLastClkPulseOutput
		637	* @param USARTx USART Instance
		638	* @param LastBitClockPulse This parameter can be one of the following values:
		639	* @arg @ref LL_USART_LASTCLKPULSE_NO_OUTPUT
		640	* @arg @ref LL_USART_LASTCLKPULSE_OUTPUT
		641	* @retval None
		642	*/
		643	__STATIC_INLINE void LL_USART_SetLastClkPulseOutput(USART_TypeDef *USARTx, uint32_t LastBitClockPulse)
		644	{
		645	MODIFY_REG(USARTx->CR2, USART_CR2_LBCL, LastBitClockPulse);
		646	}
		647
		648	/**
		649	* @brief Retrieve Clock pulse of the last data bit output configuration
		650	* (Last bit Clock pulse output to the SCLK pin or not)
		651	* @note Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not
		652	* Synchronous mode is supported by the USARTx instance.
		653	* @rmtoll CR2 LBCL LL_USART_GetLastClkPulseOutput
		654	* @param USARTx USART Instance
		655	* @retval Returned value can be one of the following values:
		656	* @arg @ref LL_USART_LASTCLKPULSE_NO_OUTPUT
		657	* @arg @ref LL_USART_LASTCLKPULSE_OUTPUT
		658	*/
		659	__STATIC_INLINE uint32_t LL_USART_GetLastClkPulseOutput(USART_TypeDef *USARTx)
		660	{
		661	return (uint32_t)(READ_BIT(USARTx->CR2, USART_CR2_LBCL));
		662	}
		663
		664	/**
		665	* @brief Select the phase of the clock output on the SCLK pin in synchronous mode
		666	* @note Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not
		667	* Synchronous mode is supported by the USARTx instance.
		668	* @rmtoll CR2 CPHA LL_USART_SetClockPhase
		669	* @param USARTx USART Instance
		670	* @param ClockPhase This parameter can be one of the following values:
		671	* @arg @ref LL_USART_PHASE_1EDGE
		672	* @arg @ref LL_USART_PHASE_2EDGE
		673	* @retval None
		674	*/
		675	__STATIC_INLINE void LL_USART_SetClockPhase(USART_TypeDef *USARTx, uint32_t ClockPhase)
		676	{
		677	MODIFY_REG(USARTx->CR2, USART_CR2_CPHA, ClockPhase);
		678	}
		679
		680	/**
		681	* @brief Return phase of the clock output on the SCLK pin in synchronous mode
		682	* @note Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not
		683	* Synchronous mode is supported by the USARTx instance.
		684	* @rmtoll CR2 CPHA LL_USART_GetClockPhase
		685	* @param USARTx USART Instance
		686	* @retval Returned value can be one of the following values:
		687	* @arg @ref LL_USART_PHASE_1EDGE
		688	* @arg @ref LL_USART_PHASE_2EDGE
		689	*/
		690	__STATIC_INLINE uint32_t LL_USART_GetClockPhase(USART_TypeDef *USARTx)
		691	{
		692	return (uint32_t)(READ_BIT(USARTx->CR2, USART_CR2_CPHA));
		693	}
		694
		695	/**
		696	* @brief Select the polarity of the clock output on the SCLK pin in synchronous mode
		697	* @note Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not
		698	* Synchronous mode is supported by the USARTx instance.
		699	* @rmtoll CR2 CPOL LL_USART_SetClockPolarity
		700	* @param USARTx USART Instance
		701	* @param ClockPolarity This parameter can be one of the following values:
		702	* @arg @ref LL_USART_POLARITY_LOW
		703	* @arg @ref LL_USART_POLARITY_HIGH
		704	* @retval None
		705	*/
		706	__STATIC_INLINE void LL_USART_SetClockPolarity(USART_TypeDef *USARTx, uint32_t ClockPolarity)
		707	{
		708	MODIFY_REG(USARTx->CR2, USART_CR2_CPOL, ClockPolarity);
		709	}
		710
		711	/**
		712	* @brief Return polarity of the clock output on the SCLK pin in synchronous mode
		713	* @note Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not
		714	* Synchronous mode is supported by the USARTx instance.
		715	* @rmtoll CR2 CPOL LL_USART_GetClockPolarity
		716	* @param USARTx USART Instance
		717	* @retval Returned value can be one of the following values:
		718	* @arg @ref LL_USART_POLARITY_LOW
		719	* @arg @ref LL_USART_POLARITY_HIGH
		720	*/
		721	__STATIC_INLINE uint32_t LL_USART_GetClockPolarity(USART_TypeDef *USARTx)
		722	{
		723	return (uint32_t)(READ_BIT(USARTx->CR2, USART_CR2_CPOL));
		724	}
		725
		726	/**
		727	* @brief Configure Clock signal format (Phase Polarity and choice about output of last bit clock pulse)
		728	* @note Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not
		729	* Synchronous mode is supported by the USARTx instance.
		730	* @note Call of this function is equivalent to following function call sequence :
		731	* - Clock Phase configuration using @ref LL_USART_SetClockPhase() function
		732	* - Clock Polarity configuration using @ref LL_USART_SetClockPolarity() function
		733	* - Output of Last bit Clock pulse configuration using @ref LL_USART_SetLastClkPulseOutput() function
		734	* @rmtoll CR2 CPHA LL_USART_ConfigClock\n
		735	* CR2 CPOL LL_USART_ConfigClock\n
		736	* CR2 LBCL LL_USART_ConfigClock
		737	* @param USARTx USART Instance
		738	* @param Phase This parameter can be one of the following values:
		739	* @arg @ref LL_USART_PHASE_1EDGE
		740	* @arg @ref LL_USART_PHASE_2EDGE
		741	* @param Polarity This parameter can be one of the following values:
		742	* @arg @ref LL_USART_POLARITY_LOW
		743	* @arg @ref LL_USART_POLARITY_HIGH
		744	* @param LBCPOutput This parameter can be one of the following values:
		745	* @arg @ref LL_USART_LASTCLKPULSE_NO_OUTPUT
		746	* @arg @ref LL_USART_LASTCLKPULSE_OUTPUT
		747	* @retval None
		748	*/
		749	__STATIC_INLINE void LL_USART_ConfigClock(USART_TypeDef *USARTx, uint32_t Phase, uint32_t Polarity, uint32_t LBCPOutput)
		750	{
		751	MODIFY_REG(USARTx->CR2, USART_CR2_CPHA \| USART_CR2_CPOL \| USART_CR2_LBCL, Phase \| Polarity \| LBCPOutput);
		752	}
		753
		754	/**
		755	* @brief Enable Clock output on SCLK pin
		756	* @note Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not
		757	* Synchronous mode is supported by the USARTx instance.
		758	* @rmtoll CR2 CLKEN LL_USART_EnableSCLKOutput
		759	* @param USARTx USART Instance
		760	* @retval None
		761	*/
		762	__STATIC_INLINE void LL_USART_EnableSCLKOutput(USART_TypeDef *USARTx)
		763	{
		764	SET_BIT(USARTx->CR2, USART_CR2_CLKEN);
		765	}
		766
		767	/**
		768	* @brief Disable Clock output on SCLK pin
		769	* @note Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not
		770	* Synchronous mode is supported by the USARTx instance.
		771	* @rmtoll CR2 CLKEN LL_USART_DisableSCLKOutput
		772	* @param USARTx USART Instance
		773	* @retval None
		774	*/
		775	__STATIC_INLINE void LL_USART_DisableSCLKOutput(USART_TypeDef *USARTx)
		776	{
		777	CLEAR_BIT(USARTx->CR2, USART_CR2_CLKEN);
		778	}
		779
		780	/**
		781	* @brief Indicate if Clock output on SCLK pin is enabled
		782	* @note Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not
		783	* Synchronous mode is supported by the USARTx instance.
		784	* @rmtoll CR2 CLKEN LL_USART_IsEnabledSCLKOutput
		785	* @param USARTx USART Instance
		786	* @retval State of bit (1 or 0).
		787	*/
		788	__STATIC_INLINE uint32_t LL_USART_IsEnabledSCLKOutput(USART_TypeDef *USARTx)
		789	{
		790	return (READ_BIT(USARTx->CR2, USART_CR2_CLKEN) == (USART_CR2_CLKEN));
		791	}
		792
		793	/**
		794	* @brief Set the length of the stop bits
		795	* @rmtoll CR2 STOP LL_USART_SetStopBitsLength
		796	* @param USARTx USART Instance
		797	* @param StopBits This parameter can be one of the following values:
		798	* @arg @ref LL_USART_STOPBITS_0_5
		799	* @arg @ref LL_USART_STOPBITS_1
		800	* @arg @ref LL_USART_STOPBITS_1_5
		801	* @arg @ref LL_USART_STOPBITS_2
		802	* @retval None
		803	*/
		804	__STATIC_INLINE void LL_USART_SetStopBitsLength(USART_TypeDef *USARTx, uint32_t StopBits)
		805	{
		806	MODIFY_REG(USARTx->CR2, USART_CR2_STOP, StopBits);
		807	}
		808
		809	/**
		810	* @brief Retrieve the length of the stop bits
		811	* @rmtoll CR2 STOP LL_USART_GetStopBitsLength
		812	* @param USARTx USART Instance
		813	* @retval Returned value can be one of the following values:
		814	* @arg @ref LL_USART_STOPBITS_0_5
		815	* @arg @ref LL_USART_STOPBITS_1
		816	* @arg @ref LL_USART_STOPBITS_1_5
		817	* @arg @ref LL_USART_STOPBITS_2
		818	*/
		819	__STATIC_INLINE uint32_t LL_USART_GetStopBitsLength(USART_TypeDef *USARTx)
		820	{
		821	return (uint32_t)(READ_BIT(USARTx->CR2, USART_CR2_STOP));
		822	}
		823
		824	/**
		825	* @brief Configure Character frame format (Datawidth, Parity control, Stop Bits)
		826	* @note Call of this function is equivalent to following function call sequence :
		827	* - Data Width configuration using @ref LL_USART_SetDataWidth() function
		828	* - Parity Control and mode configuration using @ref LL_USART_SetParity() function
		829	* - Stop bits configuration using @ref LL_USART_SetStopBitsLength() function
		830	* @rmtoll CR1 PS LL_USART_ConfigCharacter\n
		831	* CR1 PCE LL_USART_ConfigCharacter\n
		832	* CR1 M LL_USART_ConfigCharacter\n
		833	* CR2 STOP LL_USART_ConfigCharacter
		834	* @param USARTx USART Instance
		835	* @param DataWidth This parameter can be one of the following values:
		836	* @arg @ref LL_USART_DATAWIDTH_8B
		837	* @arg @ref LL_USART_DATAWIDTH_9B
		838	* @param Parity This parameter can be one of the following values:
		839	* @arg @ref LL_USART_PARITY_NONE
		840	* @arg @ref LL_USART_PARITY_EVEN
		841	* @arg @ref LL_USART_PARITY_ODD
		842	* @param StopBits This parameter can be one of the following values:
		843	* @arg @ref LL_USART_STOPBITS_0_5
		844	* @arg @ref LL_USART_STOPBITS_1
		845	* @arg @ref LL_USART_STOPBITS_1_5
		846	* @arg @ref LL_USART_STOPBITS_2
		847	* @retval None
		848	*/
		849	__STATIC_INLINE void LL_USART_ConfigCharacter(USART_TypeDef *USARTx, uint32_t DataWidth, uint32_t Parity,
		850	uint32_t StopBits)
		851	{
		852	MODIFY_REG(USARTx->CR1, USART_CR1_PS \| USART_CR1_PCE \| USART_CR1_M, Parity \| DataWidth);
		853	MODIFY_REG(USARTx->CR2, USART_CR2_STOP, StopBits);
		854	}
		855
		856	/**
		857	* @brief Set Address of the USART node.
		858	* @note This is used in multiprocessor communication during Mute mode or Stop mode,
		859	* for wake up with address mark detection.
		860	* @rmtoll CR2 ADD LL_USART_SetNodeAddress
		861	* @param USARTx USART Instance
		862	* @param NodeAddress 4 bit Address of the USART node.
		863	* @retval None
		864	*/
		865	__STATIC_INLINE void LL_USART_SetNodeAddress(USART_TypeDef *USARTx, uint32_t NodeAddress)
		866	{
		867	MODIFY_REG(USARTx->CR2, USART_CR2_ADD, (NodeAddress & USART_CR2_ADD));
		868	}
		869
		870	/**
		871	* @brief Return 4 bit Address of the USART node as set in ADD field of CR2.
		872	* @note only 4bits (b3-b0) of returned value are relevant (b31-b4 are not relevant)
		873	* @rmtoll CR2 ADD LL_USART_GetNodeAddress
		874	* @param USARTx USART Instance
		875	* @retval Address of the USART node (Value between Min_Data=0 and Max_Data=255)
		876	*/
		877	__STATIC_INLINE uint32_t LL_USART_GetNodeAddress(USART_TypeDef *USARTx)
		878	{
		879	return (uint32_t)(READ_BIT(USARTx->CR2, USART_CR2_ADD));
		880	}
		881
		882	/**
		883	* @brief Enable RTS HW Flow Control
		884	* @note Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not
		885	* Hardware Flow control feature is supported by the USARTx instance.
		886	* @rmtoll CR3 RTSE LL_USART_EnableRTSHWFlowCtrl
		887	* @param USARTx USART Instance
		888	* @retval None
		889	*/
		890	__STATIC_INLINE void LL_USART_EnableRTSHWFlowCtrl(USART_TypeDef *USARTx)
		891	{
		892	SET_BIT(USARTx->CR3, USART_CR3_RTSE);
		893	}
		894
		895	/**
		896	* @brief Disable RTS HW Flow Control
		897	* @note Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not
		898	* Hardware Flow control feature is supported by the USARTx instance.
		899	* @rmtoll CR3 RTSE LL_USART_DisableRTSHWFlowCtrl
		900	* @param USARTx USART Instance
		901	* @retval None
		902	*/
		903	__STATIC_INLINE void LL_USART_DisableRTSHWFlowCtrl(USART_TypeDef *USARTx)
		904	{
		905	CLEAR_BIT(USARTx->CR3, USART_CR3_RTSE);
		906	}
		907
		908	/**
		909	* @brief Enable CTS HW Flow Control
		910	* @note Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not
		911	* Hardware Flow control feature is supported by the USARTx instance.
		912	* @rmtoll CR3 CTSE LL_USART_EnableCTSHWFlowCtrl
		913	* @param USARTx USART Instance
		914	* @retval None
		915	*/
		916	__STATIC_INLINE void LL_USART_EnableCTSHWFlowCtrl(USART_TypeDef *USARTx)
		917	{
		918	SET_BIT(USARTx->CR3, USART_CR3_CTSE);
		919	}
		920
		921	/**
		922	* @brief Disable CTS HW Flow Control
		923	* @note Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not
		924	* Hardware Flow control feature is supported by the USARTx instance.
		925	* @rmtoll CR3 CTSE LL_USART_DisableCTSHWFlowCtrl
		926	* @param USARTx USART Instance
		927	* @retval None
		928	*/
		929	__STATIC_INLINE void LL_USART_DisableCTSHWFlowCtrl(USART_TypeDef *USARTx)
		930	{
		931	CLEAR_BIT(USARTx->CR3, USART_CR3_CTSE);
		932	}
		933
		934	/**
		935	* @brief Configure HW Flow Control mode (both CTS and RTS)
		936	* @note Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not
		937	* Hardware Flow control feature is supported by the USARTx instance.
		938	* @rmtoll CR3 RTSE LL_USART_SetHWFlowCtrl\n
		939	* CR3 CTSE LL_USART_SetHWFlowCtrl
		940	* @param USARTx USART Instance
		941	* @param HardwareFlowControl This parameter can be one of the following values:
		942	* @arg @ref LL_USART_HWCONTROL_NONE
		943	* @arg @ref LL_USART_HWCONTROL_RTS
		944	* @arg @ref LL_USART_HWCONTROL_CTS
		945	* @arg @ref LL_USART_HWCONTROL_RTS_CTS
		946	* @retval None
		947	*/
		948	__STATIC_INLINE void LL_USART_SetHWFlowCtrl(USART_TypeDef *USARTx, uint32_t HardwareFlowControl)
		949	{
		950	MODIFY_REG(USARTx->CR3, USART_CR3_RTSE \| USART_CR3_CTSE, HardwareFlowControl);
		951	}
		952
		953	/**
		954	* @brief Return HW Flow Control configuration (both CTS and RTS)
		955	* @note Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not
		956	* Hardware Flow control feature is supported by the USARTx instance.
		957	* @rmtoll CR3 RTSE LL_USART_GetHWFlowCtrl\n
		958	* CR3 CTSE LL_USART_GetHWFlowCtrl
		959	* @param USARTx USART Instance
		960	* @retval Returned value can be one of the following values:
		961	* @arg @ref LL_USART_HWCONTROL_NONE
		962	* @arg @ref LL_USART_HWCONTROL_RTS
		963	* @arg @ref LL_USART_HWCONTROL_CTS
		964	* @arg @ref LL_USART_HWCONTROL_RTS_CTS
		965	*/
		966	__STATIC_INLINE uint32_t LL_USART_GetHWFlowCtrl(USART_TypeDef *USARTx)
		967	{
		968	return (uint32_t)(READ_BIT(USARTx->CR3, USART_CR3_RTSE \| USART_CR3_CTSE));
		969	}
		970
		971	/**
		972	* @brief Enable One bit sampling method
		973	* @rmtoll CR3 ONEBIT LL_USART_EnableOneBitSamp
		974	* @param USARTx USART Instance
		975	* @retval None
		976	*/
		977	__STATIC_INLINE void LL_USART_EnableOneBitSamp(USART_TypeDef *USARTx)
		978	{
		979	SET_BIT(USARTx->CR3, USART_CR3_ONEBIT);
		980	}
		981
		982	/**
		983	* @brief Disable One bit sampling method
		984	* @rmtoll CR3 ONEBIT LL_USART_DisableOneBitSamp
		985	* @param USARTx USART Instance
		986	* @retval None
		987	*/
		988	__STATIC_INLINE void LL_USART_DisableOneBitSamp(USART_TypeDef *USARTx)
		989	{
		990	CLEAR_BIT(USARTx->CR3, USART_CR3_ONEBIT);
		991	}
		992
		993	/**
		994	* @brief Indicate if One bit sampling method is enabled
		995	* @rmtoll CR3 ONEBIT LL_USART_IsEnabledOneBitSamp
		996	* @param USARTx USART Instance
		997	* @retval State of bit (1 or 0).
		998	*/
		999	__STATIC_INLINE uint32_t LL_USART_IsEnabledOneBitSamp(USART_TypeDef *USARTx)
		1000	{
		1001	return (READ_BIT(USARTx->CR3, USART_CR3_ONEBIT) == (USART_CR3_ONEBIT));
		1002	}
		1003
		1004	/**
		1005	* @brief Configure USART BRR register for achieving expected Baud Rate value.
		1006	* @note Compute and set USARTDIV value in BRR Register (full BRR content)
		1007	* according to used Peripheral Clock, Oversampling mode, and expected Baud Rate values
		1008	* @note Peripheral clock and Baud rate values provided as function parameters should be valid
		1009	* (Baud rate value != 0)
		1010	* @rmtoll BRR BRR LL_USART_SetBaudRate
		1011	* @param USARTx USART Instance
		1012	* @param PeriphClk Peripheral Clock
		1013	* @param OverSampling This parameter can be one of the following values:
		1014	* @arg @ref LL_USART_OVERSAMPLING_16
		1015	* @arg @ref LL_USART_OVERSAMPLING_8
		1016	* @param BaudRate Baud Rate
		1017	* @retval None
		1018	*/
		1019	__STATIC_INLINE void LL_USART_SetBaudRate(USART_TypeDef *USARTx, uint32_t PeriphClk, uint32_t OverSampling,
		1020	uint32_t BaudRate)
		1021	{
		1022	if (OverSampling == LL_USART_OVERSAMPLING_8)
		1023	{
		1024	USARTx->BRR = (uint16_t)(__LL_USART_DIV_SAMPLING8(PeriphClk, BaudRate));
		1025	}
		1026	else
		1027	{
		1028	USARTx->BRR = (uint16_t)(__LL_USART_DIV_SAMPLING16(PeriphClk, BaudRate));
		1029	}
		1030	}
		1031
		1032	/**
		1033	* @brief Return current Baud Rate value, according to USARTDIV present in BRR register
		1034	* (full BRR content), and to used Peripheral Clock and Oversampling mode values
		1035	* @note In case of non-initialized or invalid value stored in BRR register, value 0 will be returned.
		1036	* @rmtoll BRR BRR LL_USART_GetBaudRate
		1037	* @param USARTx USART Instance
		1038	* @param PeriphClk Peripheral Clock
		1039	* @param OverSampling This parameter can be one of the following values:
		1040	* @arg @ref LL_USART_OVERSAMPLING_16
		1041	* @arg @ref LL_USART_OVERSAMPLING_8
		1042	* @retval Baud Rate
		1043	*/
		1044	__STATIC_INLINE uint32_t LL_USART_GetBaudRate(USART_TypeDef *USARTx, uint32_t PeriphClk, uint32_t OverSampling)
		1045	{
		1046	uint32_t usartdiv = 0x0U;
		1047	uint32_t brrresult = 0x0U;
		1048
		1049	usartdiv = USARTx->BRR;
		1050
		1051	if (OverSampling == LL_USART_OVERSAMPLING_8)
		1052	{
		1053	if ((usartdiv & 0xFFF7U) != 0U)
		1054	{
		1055	usartdiv = (uint16_t)((usartdiv & 0xFFF0U) \| ((usartdiv & 0x0007U) << 1U)) ;
		1056	brrresult = (PeriphClk * 2U) / usartdiv;
		1057	}
		1058	}
		1059	else
		1060	{
		1061	if ((usartdiv & 0xFFFFU) != 0U)
		1062	{
		1063	brrresult = PeriphClk / usartdiv;
		1064	}
		1065	}
		1066	return (brrresult);
		1067	}
		1068
		1069	/**
		1070	* @}
		1071	*/
		1072
		1073	/** @defgroup USART_LL_EF_Configuration_IRDA Configuration functions related to Irda feature
		1074	* @{
		1075	*/
		1076
		1077	/**
		1078	* @brief Enable IrDA mode
		1079	* @note Macro @ref IS_IRDA_INSTANCE(USARTx) can be used to check whether or not
		1080	* IrDA feature is supported by the USARTx instance.
		1081	* @rmtoll CR3 IREN LL_USART_EnableIrda
		1082	* @param USARTx USART Instance
		1083	* @retval None
		1084	*/
		1085	__STATIC_INLINE void LL_USART_EnableIrda(USART_TypeDef *USARTx)
		1086	{
		1087	SET_BIT(USARTx->CR3, USART_CR3_IREN);
		1088	}
		1089
		1090	/**
		1091	* @brief Disable IrDA mode
		1092	* @note Macro @ref IS_IRDA_INSTANCE(USARTx) can be used to check whether or not
		1093	* IrDA feature is supported by the USARTx instance.
		1094	* @rmtoll CR3 IREN LL_USART_DisableIrda
		1095	* @param USARTx USART Instance
		1096	* @retval None
		1097	*/
		1098	__STATIC_INLINE void LL_USART_DisableIrda(USART_TypeDef *USARTx)
		1099	{
		1100	CLEAR_BIT(USARTx->CR3, USART_CR3_IREN);
		1101	}
		1102
		1103	/**
		1104	* @brief Indicate if IrDA mode is enabled
		1105	* @note Macro @ref IS_IRDA_INSTANCE(USARTx) can be used to check whether or not
		1106	* IrDA feature is supported by the USARTx instance.
		1107	* @rmtoll CR3 IREN LL_USART_IsEnabledIrda
		1108	* @param USARTx USART Instance
		1109	* @retval State of bit (1 or 0).
		1110	*/
		1111	__STATIC_INLINE uint32_t LL_USART_IsEnabledIrda(USART_TypeDef *USARTx)
		1112	{
		1113	return (READ_BIT(USARTx->CR3, USART_CR3_IREN) == (USART_CR3_IREN));
		1114	}
		1115
		1116	/**
		1117	* @brief Configure IrDA Power Mode (Normal or Low Power)
		1118	* @note Macro @ref IS_IRDA_INSTANCE(USARTx) can be used to check whether or not
		1119	* IrDA feature is supported by the USARTx instance.
		1120	* @rmtoll CR3 IRLP LL_USART_SetIrdaPowerMode
		1121	* @param USARTx USART Instance
		1122	* @param PowerMode This parameter can be one of the following values:
		1123	* @arg @ref LL_USART_IRDA_POWER_NORMAL
		1124	* @arg @ref LL_USART_IRDA_POWER_LOW
		1125	* @retval None
		1126	*/
		1127	__STATIC_INLINE void LL_USART_SetIrdaPowerMode(USART_TypeDef *USARTx, uint32_t PowerMode)
		1128	{
		1129	MODIFY_REG(USARTx->CR3, USART_CR3_IRLP, PowerMode);
		1130	}
		1131
		1132	/**
		1133	* @brief Retrieve IrDA Power Mode configuration (Normal or Low Power)
		1134	* @note Macro @ref IS_IRDA_INSTANCE(USARTx) can be used to check whether or not
		1135	* IrDA feature is supported by the USARTx instance.
		1136	* @rmtoll CR3 IRLP LL_USART_GetIrdaPowerMode
		1137	* @param USARTx USART Instance
		1138	* @retval Returned value can be one of the following values:
		1139	* @arg @ref LL_USART_IRDA_POWER_NORMAL
		1140	* @arg @ref LL_USART_PHASE_2EDGE
		1141	*/
		1142	__STATIC_INLINE uint32_t LL_USART_GetIrdaPowerMode(USART_TypeDef *USARTx)
		1143	{
		1144	return (uint32_t)(READ_BIT(USARTx->CR3, USART_CR3_IRLP));
		1145	}
		1146
		1147	/**
		1148	* @brief Set Irda prescaler value, used for dividing the USART clock source
		1149	* to achieve the Irda Low Power frequency (8 bits value)
		1150	* @note Macro @ref IS_IRDA_INSTANCE(USARTx) can be used to check whether or not
		1151	* IrDA feature is supported by the USARTx instance.
		1152	* @rmtoll GTPR PSC LL_USART_SetIrdaPrescaler
		1153	* @param USARTx USART Instance
		1154	* @param PrescalerValue Value between Min_Data=0x00 and Max_Data=0xFF
		1155	* @retval None
		1156	*/
		1157	__STATIC_INLINE void LL_USART_SetIrdaPrescaler(USART_TypeDef *USARTx, uint32_t PrescalerValue)
		1158	{
		1159	MODIFY_REG(USARTx->GTPR, USART_GTPR_PSC, PrescalerValue);
		1160	}
		1161
		1162	/**
		1163	* @brief Return Irda prescaler value, used for dividing the USART clock source
		1164	* to achieve the Irda Low Power frequency (8 bits value)
		1165	* @note Macro @ref IS_IRDA_INSTANCE(USARTx) can be used to check whether or not
		1166	* IrDA feature is supported by the USARTx instance.
		1167	* @rmtoll GTPR PSC LL_USART_GetIrdaPrescaler
		1168	* @param USARTx USART Instance
		1169	* @retval Irda prescaler value (Value between Min_Data=0x00 and Max_Data=0xFF)
		1170	*/
		1171	__STATIC_INLINE uint32_t LL_USART_GetIrdaPrescaler(USART_TypeDef *USARTx)
		1172	{
		1173	return (uint32_t)(READ_BIT(USARTx->GTPR, USART_GTPR_PSC));
		1174	}
		1175
		1176	/**
		1177	* @}
		1178	*/
		1179
		1180	/** @defgroup USART_LL_EF_Configuration_Smartcard Configuration functions related to Smartcard feature
		1181	* @{
		1182	*/
		1183
		1184	/**
		1185	* @brief Enable Smartcard NACK transmission
		1186	* @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not
		1187	* Smartcard feature is supported by the USARTx instance.
		1188	* @rmtoll CR3 NACK LL_USART_EnableSmartcardNACK
		1189	* @param USARTx USART Instance
		1190	* @retval None
		1191	*/
		1192	__STATIC_INLINE void LL_USART_EnableSmartcardNACK(USART_TypeDef *USARTx)
		1193	{
		1194	SET_BIT(USARTx->CR3, USART_CR3_NACK);
		1195	}
		1196
		1197	/**
		1198	* @brief Disable Smartcard NACK transmission
		1199	* @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not
		1200	* Smartcard feature is supported by the USARTx instance.
		1201	* @rmtoll CR3 NACK LL_USART_DisableSmartcardNACK
		1202	* @param USARTx USART Instance
		1203	* @retval None
		1204	*/
		1205	__STATIC_INLINE void LL_USART_DisableSmartcardNACK(USART_TypeDef *USARTx)
		1206	{
		1207	CLEAR_BIT(USARTx->CR3, USART_CR3_NACK);
		1208	}
		1209
		1210	/**
		1211	* @brief Indicate if Smartcard NACK transmission is enabled
		1212	* @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not
		1213	* Smartcard feature is supported by the USARTx instance.
		1214	* @rmtoll CR3 NACK LL_USART_IsEnabledSmartcardNACK
		1215	* @param USARTx USART Instance
		1216	* @retval State of bit (1 or 0).
		1217	*/
		1218	__STATIC_INLINE uint32_t LL_USART_IsEnabledSmartcardNACK(USART_TypeDef *USARTx)
		1219	{
		1220	return (READ_BIT(USARTx->CR3, USART_CR3_NACK) == (USART_CR3_NACK));
		1221	}
		1222
		1223	/**
		1224	* @brief Enable Smartcard mode
		1225	* @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not
		1226	* Smartcard feature is supported by the USARTx instance.
		1227	* @rmtoll CR3 SCEN LL_USART_EnableSmartcard
		1228	* @param USARTx USART Instance
		1229	* @retval None
		1230	*/
		1231	__STATIC_INLINE void LL_USART_EnableSmartcard(USART_TypeDef *USARTx)
		1232	{
		1233	SET_BIT(USARTx->CR3, USART_CR3_SCEN);
		1234	}
		1235
		1236	/**
		1237	* @brief Disable Smartcard mode
		1238	* @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not
		1239	* Smartcard feature is supported by the USARTx instance.
		1240	* @rmtoll CR3 SCEN LL_USART_DisableSmartcard
		1241	* @param USARTx USART Instance
		1242	* @retval None
		1243	*/
		1244	__STATIC_INLINE void LL_USART_DisableSmartcard(USART_TypeDef *USARTx)
		1245	{
		1246	CLEAR_BIT(USARTx->CR3, USART_CR3_SCEN);
		1247	}
		1248
		1249	/**
		1250	* @brief Indicate if Smartcard mode is enabled
		1251	* @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not
		1252	* Smartcard feature is supported by the USARTx instance.
		1253	* @rmtoll CR3 SCEN LL_USART_IsEnabledSmartcard
		1254	* @param USARTx USART Instance
		1255	* @retval State of bit (1 or 0).
		1256	*/
		1257	__STATIC_INLINE uint32_t LL_USART_IsEnabledSmartcard(USART_TypeDef *USARTx)
		1258	{
		1259	return (READ_BIT(USARTx->CR3, USART_CR3_SCEN) == (USART_CR3_SCEN));
		1260	}
		1261
		1262	/**
		1263	* @brief Set Smartcard prescaler value, used for dividing the USART clock
		1264	* source to provide the SMARTCARD Clock (5 bits value)
		1265	* @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not
		1266	* Smartcard feature is supported by the USARTx instance.
		1267	* @rmtoll GTPR PSC LL_USART_SetSmartcardPrescaler
		1268	* @param USARTx USART Instance
		1269	* @param PrescalerValue Value between Min_Data=0 and Max_Data=31
		1270	* @retval None
		1271	*/
		1272	__STATIC_INLINE void LL_USART_SetSmartcardPrescaler(USART_TypeDef *USARTx, uint32_t PrescalerValue)
		1273	{
		1274	MODIFY_REG(USARTx->GTPR, USART_GTPR_PSC, PrescalerValue);
		1275	}
		1276
		1277	/**
		1278	* @brief Return Smartcard prescaler value, used for dividing the USART clock
		1279	* source to provide the SMARTCARD Clock (5 bits value)
		1280	* @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not
		1281	* Smartcard feature is supported by the USARTx instance.
		1282	* @rmtoll GTPR PSC LL_USART_GetSmartcardPrescaler
		1283	* @param USARTx USART Instance
		1284	* @retval Smartcard prescaler value (Value between Min_Data=0 and Max_Data=31)
		1285	*/
		1286	__STATIC_INLINE uint32_t LL_USART_GetSmartcardPrescaler(USART_TypeDef *USARTx)
		1287	{
		1288	return (uint32_t)(READ_BIT(USARTx->GTPR, USART_GTPR_PSC));
		1289	}
		1290
		1291	/**
		1292	* @brief Set Smartcard Guard time value, expressed in nb of baud clocks periods
		1293	* (GT[7:0] bits : Guard time value)
		1294	* @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not
		1295	* Smartcard feature is supported by the USARTx instance.
		1296	* @rmtoll GTPR GT LL_USART_SetSmartcardGuardTime
		1297	* @param USARTx USART Instance
		1298	* @param GuardTime Value between Min_Data=0x00 and Max_Data=0xFF
		1299	* @retval None
		1300	*/
		1301	__STATIC_INLINE void LL_USART_SetSmartcardGuardTime(USART_TypeDef *USARTx, uint32_t GuardTime)
		1302	{
		1303	MODIFY_REG(USARTx->GTPR, USART_GTPR_GT, GuardTime << USART_POSITION_GTPR_GT);
		1304	}
		1305
		1306	/**
		1307	* @brief Return Smartcard Guard time value, expressed in nb of baud clocks periods
		1308	* (GT[7:0] bits : Guard time value)
		1309	* @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not
		1310	* Smartcard feature is supported by the USARTx instance.
		1311	* @rmtoll GTPR GT LL_USART_GetSmartcardGuardTime
		1312	* @param USARTx USART Instance
		1313	* @retval Smartcard Guard time value (Value between Min_Data=0x00 and Max_Data=0xFF)
		1314	*/
		1315	__STATIC_INLINE uint32_t LL_USART_GetSmartcardGuardTime(USART_TypeDef *USARTx)
		1316	{
		1317	return (uint32_t)(READ_BIT(USARTx->GTPR, USART_GTPR_GT) >> USART_POSITION_GTPR_GT);
		1318	}
		1319
		1320	/**
		1321	* @}
		1322	*/
		1323
		1324	/** @defgroup USART_LL_EF_Configuration_HalfDuplex Configuration functions related to Half Duplex feature
		1325	* @{
		1326	*/
		1327
		1328	/**
		1329	* @brief Enable Single Wire Half-Duplex mode
		1330	* @note Macro @ref IS_UART_HALFDUPLEX_INSTANCE(USARTx) can be used to check whether or not
		1331	* Half-Duplex mode is supported by the USARTx instance.
		1332	* @rmtoll CR3 HDSEL LL_USART_EnableHalfDuplex
		1333	* @param USARTx USART Instance
		1334	* @retval None
		1335	*/
		1336	__STATIC_INLINE void LL_USART_EnableHalfDuplex(USART_TypeDef *USARTx)
		1337	{
		1338	SET_BIT(USARTx->CR3, USART_CR3_HDSEL);
		1339	}
		1340
		1341	/**
		1342	* @brief Disable Single Wire Half-Duplex mode
		1343	* @note Macro @ref IS_UART_HALFDUPLEX_INSTANCE(USARTx) can be used to check whether or not
		1344	* Half-Duplex mode is supported by the USARTx instance.
		1345	* @rmtoll CR3 HDSEL LL_USART_DisableHalfDuplex
		1346	* @param USARTx USART Instance
		1347	* @retval None
		1348	*/
		1349	__STATIC_INLINE void LL_USART_DisableHalfDuplex(USART_TypeDef *USARTx)
		1350	{
		1351	CLEAR_BIT(USARTx->CR3, USART_CR3_HDSEL);
		1352	}
		1353
		1354	/**
		1355	* @brief Indicate if Single Wire Half-Duplex mode is enabled
		1356	* @note Macro @ref IS_UART_HALFDUPLEX_INSTANCE(USARTx) can be used to check whether or not
		1357	* Half-Duplex mode is supported by the USARTx instance.
		1358	* @rmtoll CR3 HDSEL LL_USART_IsEnabledHalfDuplex
		1359	* @param USARTx USART Instance
		1360	* @retval State of bit (1 or 0).
		1361	*/
		1362	__STATIC_INLINE uint32_t LL_USART_IsEnabledHalfDuplex(USART_TypeDef *USARTx)
		1363	{
		1364	return (READ_BIT(USARTx->CR3, USART_CR3_HDSEL) == (USART_CR3_HDSEL));
		1365	}
		1366
		1367	/**
		1368	* @}
		1369	*/
		1370
		1371	/** @defgroup USART_LL_EF_Configuration_LIN Configuration functions related to LIN feature
		1372	* @{
		1373	*/
		1374
		1375	/**
		1376	* @brief Set LIN Break Detection Length
		1377	* @note Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not
		1378	* LIN feature is supported by the USARTx instance.
		1379	* @rmtoll CR2 LBDL LL_USART_SetLINBrkDetectionLen
		1380	* @param USARTx USART Instance
		1381	* @param LINBDLength This parameter can be one of the following values:
		1382	* @arg @ref LL_USART_LINBREAK_DETECT_10B
		1383	* @arg @ref LL_USART_LINBREAK_DETECT_11B
		1384	* @retval None
		1385	*/
		1386	__STATIC_INLINE void LL_USART_SetLINBrkDetectionLen(USART_TypeDef *USARTx, uint32_t LINBDLength)
		1387	{
		1388	MODIFY_REG(USARTx->CR2, USART_CR2_LBDL, LINBDLength);
		1389	}
		1390
		1391	/**
		1392	* @brief Return LIN Break Detection Length
		1393	* @note Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not
		1394	* LIN feature is supported by the USARTx instance.
		1395	* @rmtoll CR2 LBDL LL_USART_GetLINBrkDetectionLen
		1396	* @param USARTx USART Instance
		1397	* @retval Returned value can be one of the following values:
		1398	* @arg @ref LL_USART_LINBREAK_DETECT_10B
		1399	* @arg @ref LL_USART_LINBREAK_DETECT_11B
		1400	*/
		1401	__STATIC_INLINE uint32_t LL_USART_GetLINBrkDetectionLen(USART_TypeDef *USARTx)
		1402	{
		1403	return (uint32_t)(READ_BIT(USARTx->CR2, USART_CR2_LBDL));
		1404	}
		1405
		1406	/**
		1407	* @brief Enable LIN mode
		1408	* @note Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not
		1409	* LIN feature is supported by the USARTx instance.
		1410	* @rmtoll CR2 LINEN LL_USART_EnableLIN
		1411	* @param USARTx USART Instance
		1412	* @retval None
		1413	*/
		1414	__STATIC_INLINE void LL_USART_EnableLIN(USART_TypeDef *USARTx)
		1415	{
		1416	SET_BIT(USARTx->CR2, USART_CR2_LINEN);
		1417	}
		1418
		1419	/**
		1420	* @brief Disable LIN mode
		1421	* @note Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not
		1422	* LIN feature is supported by the USARTx instance.
		1423	* @rmtoll CR2 LINEN LL_USART_DisableLIN
		1424	* @param USARTx USART Instance
		1425	* @retval None
		1426	*/
		1427	__STATIC_INLINE void LL_USART_DisableLIN(USART_TypeDef *USARTx)
		1428	{
		1429	CLEAR_BIT(USARTx->CR2, USART_CR2_LINEN);
		1430	}
		1431
		1432	/**
		1433	* @brief Indicate if LIN mode is enabled
		1434	* @note Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not
		1435	* LIN feature is supported by the USARTx instance.
		1436	* @rmtoll CR2 LINEN LL_USART_IsEnabledLIN
		1437	* @param USARTx USART Instance
		1438	* @retval State of bit (1 or 0).
		1439	*/
		1440	__STATIC_INLINE uint32_t LL_USART_IsEnabledLIN(USART_TypeDef *USARTx)
		1441	{
		1442	return (READ_BIT(USARTx->CR2, USART_CR2_LINEN) == (USART_CR2_LINEN));
		1443	}
		1444
		1445	/**
		1446	* @}
		1447	*/
		1448
		1449	/** @defgroup USART_LL_EF_AdvancedConfiguration Advanced Configurations services
		1450	* @{
		1451	*/
		1452
		1453	/**
		1454	* @brief Perform basic configuration of USART for enabling use in Asynchronous Mode (UART)
		1455	* @note In UART mode, the following bits must be kept cleared:
		1456	* - LINEN bit in the USART_CR2 register,
		1457	* - CLKEN bit in the USART_CR2 register,
		1458	* - SCEN bit in the USART_CR3 register,
		1459	* - IREN bit in the USART_CR3 register,
		1460	* - HDSEL bit in the USART_CR3 register.
		1461	* @note Call of this function is equivalent to following function call sequence :
		1462	* - Clear LINEN in CR2 using @ref LL_USART_DisableLIN() function
		1463	* - Clear CLKEN in CR2 using @ref LL_USART_DisableSCLKOutput() function
		1464	* - Clear SCEN in CR3 using @ref LL_USART_DisableSmartcard() function
		1465	* - Clear IREN in CR3 using @ref LL_USART_DisableIrda() function
		1466	* - Clear HDSEL in CR3 using @ref LL_USART_DisableHalfDuplex() function
		1467	* @note Other remaining configurations items related to Asynchronous Mode
		1468	* (as Baud Rate, Word length, Parity, ...) should be set using
		1469	* dedicated functions
		1470	* @rmtoll CR2 LINEN LL_USART_ConfigAsyncMode\n
		1471	* CR2 CLKEN LL_USART_ConfigAsyncMode\n
		1472	* CR3 SCEN LL_USART_ConfigAsyncMode\n
		1473	* CR3 IREN LL_USART_ConfigAsyncMode\n
		1474	* CR3 HDSEL LL_USART_ConfigAsyncMode
		1475	* @param USARTx USART Instance
		1476	* @retval None
		1477	*/
		1478	__STATIC_INLINE void LL_USART_ConfigAsyncMode(USART_TypeDef *USARTx)
		1479	{
		1480	/* In Asynchronous mode, the following bits must be kept cleared:
		1481	- LINEN, CLKEN bits in the USART_CR2 register,
		1482	- SCEN, IREN and HDSEL bits in the USART_CR3 register.*/
		1483	CLEAR_BIT(USARTx->CR2, (USART_CR2_LINEN \| USART_CR2_CLKEN));
		1484	CLEAR_BIT(USARTx->CR3, (USART_CR3_SCEN \| USART_CR3_IREN \| USART_CR3_HDSEL));
		1485	}
		1486
		1487	/**
		1488	* @brief Perform basic configuration of USART for enabling use in Synchronous Mode
		1489	* @note In Synchronous mode, the following bits must be kept cleared:
		1490	* - LINEN bit in the USART_CR2 register,
		1491	* - SCEN bit in the USART_CR3 register,
		1492	* - IREN bit in the USART_CR3 register,
		1493	* - HDSEL bit in the USART_CR3 register.
		1494	* This function also sets the USART in Synchronous mode.
		1495	* @note Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not
		1496	* Synchronous mode is supported by the USARTx instance.
		1497	* @note Call of this function is equivalent to following function call sequence :
		1498	* - Clear LINEN in CR2 using @ref LL_USART_DisableLIN() function
		1499	* - Clear IREN in CR3 using @ref LL_USART_DisableIrda() function
		1500	* - Clear SCEN in CR3 using @ref LL_USART_DisableSmartcard() function
		1501	* - Clear HDSEL in CR3 using @ref LL_USART_DisableHalfDuplex() function
		1502	* - Set CLKEN in CR2 using @ref LL_USART_EnableSCLKOutput() function
		1503	* @note Other remaining configurations items related to Synchronous Mode
		1504	* (as Baud Rate, Word length, Parity, Clock Polarity, ...) should be set using
		1505	* dedicated functions
		1506	* @rmtoll CR2 LINEN LL_USART_ConfigSyncMode\n
		1507	* CR2 CLKEN LL_USART_ConfigSyncMode\n
		1508	* CR3 SCEN LL_USART_ConfigSyncMode\n
		1509	* CR3 IREN LL_USART_ConfigSyncMode\n
		1510	* CR3 HDSEL LL_USART_ConfigSyncMode
		1511	* @param USARTx USART Instance
		1512	* @retval None
		1513	*/
		1514	__STATIC_INLINE void LL_USART_ConfigSyncMode(USART_TypeDef *USARTx)
		1515	{
		1516	/* In Synchronous mode, the following bits must be kept cleared:
		1517	- LINEN bit in the USART_CR2 register,
		1518	- SCEN, IREN and HDSEL bits in the USART_CR3 register.*/
		1519	CLEAR_BIT(USARTx->CR2, (USART_CR2_LINEN));
		1520	CLEAR_BIT(USARTx->CR3, (USART_CR3_SCEN \| USART_CR3_IREN \| USART_CR3_HDSEL));
		1521	/* set the UART/USART in Synchronous mode */
		1522	SET_BIT(USARTx->CR2, USART_CR2_CLKEN);
		1523	}
		1524
		1525	/**
		1526	* @brief Perform basic configuration of USART for enabling use in LIN Mode
		1527	* @note In LIN mode, the following bits must be kept cleared:
		1528	* - STOP and CLKEN bits in the USART_CR2 register,
		1529	* - SCEN bit in the USART_CR3 register,
		1530	* - IREN bit in the USART_CR3 register,
		1531	* - HDSEL bit in the USART_CR3 register.
		1532	* This function also set the UART/USART in LIN mode.
		1533	* @note Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not
		1534	* LIN feature is supported by the USARTx instance.
		1535	* @note Call of this function is equivalent to following function call sequence :
		1536	* - Clear CLKEN in CR2 using @ref LL_USART_DisableSCLKOutput() function
		1537	* - Clear STOP in CR2 using @ref LL_USART_SetStopBitsLength() function
		1538	* - Clear SCEN in CR3 using @ref LL_USART_DisableSmartcard() function
		1539	* - Clear IREN in CR3 using @ref LL_USART_DisableIrda() function
		1540	* - Clear HDSEL in CR3 using @ref LL_USART_DisableHalfDuplex() function
		1541	* - Set LINEN in CR2 using @ref LL_USART_EnableLIN() function
		1542	* @note Other remaining configurations items related to LIN Mode
		1543	* (as Baud Rate, Word length, LIN Break Detection Length, ...) should be set using
		1544	* dedicated functions
		1545	* @rmtoll CR2 CLKEN LL_USART_ConfigLINMode\n
		1546	* CR2 STOP LL_USART_ConfigLINMode\n
		1547	* CR2 LINEN LL_USART_ConfigLINMode\n
		1548	* CR3 IREN LL_USART_ConfigLINMode\n
		1549	* CR3 SCEN LL_USART_ConfigLINMode\n
		1550	* CR3 HDSEL LL_USART_ConfigLINMode
		1551	* @param USARTx USART Instance
		1552	* @retval None
		1553	*/
		1554	__STATIC_INLINE void LL_USART_ConfigLINMode(USART_TypeDef *USARTx)
		1555	{
		1556	/* In LIN mode, the following bits must be kept cleared:
		1557	- STOP and CLKEN bits in the USART_CR2 register,
		1558	- IREN, SCEN and HDSEL bits in the USART_CR3 register.*/
		1559	CLEAR_BIT(USARTx->CR2, (USART_CR2_CLKEN \| USART_CR2_STOP));
		1560	CLEAR_BIT(USARTx->CR3, (USART_CR3_IREN \| USART_CR3_SCEN \| USART_CR3_HDSEL));
		1561	/* Set the UART/USART in LIN mode */
		1562	SET_BIT(USARTx->CR2, USART_CR2_LINEN);
		1563	}
		1564
		1565	/**
		1566	* @brief Perform basic configuration of USART for enabling use in Half Duplex Mode
		1567	* @note In Half Duplex mode, the following bits must be kept cleared:
		1568	* - LINEN bit in the USART_CR2 register,
		1569	* - CLKEN bit in the USART_CR2 register,
		1570	* - SCEN bit in the USART_CR3 register,
		1571	* - IREN bit in the USART_CR3 register,
		1572	* This function also sets the UART/USART in Half Duplex mode.
		1573	* @note Macro @ref IS_UART_HALFDUPLEX_INSTANCE(USARTx) can be used to check whether or not
		1574	* Half-Duplex mode is supported by the USARTx instance.
		1575	* @note Call of this function is equivalent to following function call sequence :
		1576	* - Clear LINEN in CR2 using @ref LL_USART_DisableLIN() function
		1577	* - Clear CLKEN in CR2 using @ref LL_USART_DisableSCLKOutput() function
		1578	* - Clear SCEN in CR3 using @ref LL_USART_DisableSmartcard() function
		1579	* - Clear IREN in CR3 using @ref LL_USART_DisableIrda() function
		1580	* - Set HDSEL in CR3 using @ref LL_USART_EnableHalfDuplex() function
		1581	* @note Other remaining configurations items related to Half Duplex Mode
		1582	* (as Baud Rate, Word length, Parity, ...) should be set using
		1583	* dedicated functions
		1584	* @rmtoll CR2 LINEN LL_USART_ConfigHalfDuplexMode\n
		1585	* CR2 CLKEN LL_USART_ConfigHalfDuplexMode\n
		1586	* CR3 HDSEL LL_USART_ConfigHalfDuplexMode\n
		1587	* CR3 SCEN LL_USART_ConfigHalfDuplexMode\n
		1588	* CR3 IREN LL_USART_ConfigHalfDuplexMode
		1589	* @param USARTx USART Instance
		1590	* @retval None
		1591	*/
		1592	__STATIC_INLINE void LL_USART_ConfigHalfDuplexMode(USART_TypeDef *USARTx)
		1593	{
		1594	/* In Half Duplex mode, the following bits must be kept cleared:
		1595	- LINEN and CLKEN bits in the USART_CR2 register,
		1596	- SCEN and IREN bits in the USART_CR3 register.*/
		1597	CLEAR_BIT(USARTx->CR2, (USART_CR2_LINEN \| USART_CR2_CLKEN));
		1598	CLEAR_BIT(USARTx->CR3, (USART_CR3_SCEN \| USART_CR3_IREN));
		1599	/* set the UART/USART in Half Duplex mode */
		1600	SET_BIT(USARTx->CR3, USART_CR3_HDSEL);
		1601	}
		1602
		1603	/**
		1604	* @brief Perform basic configuration of USART for enabling use in Smartcard Mode
		1605	* @note In Smartcard mode, the following bits must be kept cleared:
		1606	* - LINEN bit in the USART_CR2 register,
		1607	* - IREN bit in the USART_CR3 register,
		1608	* - HDSEL bit in the USART_CR3 register.
		1609	* This function also configures Stop bits to 1.5 bits and
		1610	* sets the USART in Smartcard mode (SCEN bit).
		1611	* Clock Output is also enabled (CLKEN).
		1612	* @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not
		1613	* Smartcard feature is supported by the USARTx instance.
		1614	* @note Call of this function is equivalent to following function call sequence :
		1615	* - Clear LINEN in CR2 using @ref LL_USART_DisableLIN() function
		1616	* - Clear IREN in CR3 using @ref LL_USART_DisableIrda() function
		1617	* - Clear HDSEL in CR3 using @ref LL_USART_DisableHalfDuplex() function
		1618	* - Configure STOP in CR2 using @ref LL_USART_SetStopBitsLength() function
		1619	* - Set CLKEN in CR2 using @ref LL_USART_EnableSCLKOutput() function
		1620	* - Set SCEN in CR3 using @ref LL_USART_EnableSmartcard() function
		1621	* @note Other remaining configurations items related to Smartcard Mode
		1622	* (as Baud Rate, Word length, Parity, ...) should be set using
		1623	* dedicated functions
		1624	* @rmtoll CR2 LINEN LL_USART_ConfigSmartcardMode\n
		1625	* CR2 STOP LL_USART_ConfigSmartcardMode\n
		1626	* CR2 CLKEN LL_USART_ConfigSmartcardMode\n
		1627	* CR3 HDSEL LL_USART_ConfigSmartcardMode\n
		1628	* CR3 SCEN LL_USART_ConfigSmartcardMode
		1629	* @param USARTx USART Instance
		1630	* @retval None
		1631	*/
		1632	__STATIC_INLINE void LL_USART_ConfigSmartcardMode(USART_TypeDef *USARTx)
		1633	{
		1634	/* In Smartcard mode, the following bits must be kept cleared:
		1635	- LINEN bit in the USART_CR2 register,
		1636	- IREN and HDSEL bits in the USART_CR3 register.*/
		1637	CLEAR_BIT(USARTx->CR2, (USART_CR2_LINEN));
		1638	CLEAR_BIT(USARTx->CR3, (USART_CR3_IREN \| USART_CR3_HDSEL));
		1639	/* Configure Stop bits to 1.5 bits */
		1640	/* Synchronous mode is activated by default */
		1641	SET_BIT(USARTx->CR2, (USART_CR2_STOP_0 \| USART_CR2_STOP_1 \| USART_CR2_CLKEN));
		1642	/* set the UART/USART in Smartcard mode */
		1643	SET_BIT(USARTx->CR3, USART_CR3_SCEN);
		1644	}
		1645
		1646	/**
		1647	* @brief Perform basic configuration of USART for enabling use in Irda Mode
		1648	* @note In IRDA mode, the following bits must be kept cleared:
		1649	* - LINEN bit in the USART_CR2 register,
		1650	* - STOP and CLKEN bits in the USART_CR2 register,
		1651	* - SCEN bit in the USART_CR3 register,
		1652	* - HDSEL bit in the USART_CR3 register.
		1653	* This function also sets the UART/USART in IRDA mode (IREN bit).
		1654	* @note Macro @ref IS_IRDA_INSTANCE(USARTx) can be used to check whether or not
		1655	* IrDA feature is supported by the USARTx instance.
		1656	* @note Call of this function is equivalent to following function call sequence :
		1657	* - Clear LINEN in CR2 using @ref LL_USART_DisableLIN() function
		1658	* - Clear CLKEN in CR2 using @ref LL_USART_DisableSCLKOutput() function
		1659	* - Clear SCEN in CR3 using @ref LL_USART_DisableSmartcard() function
		1660	* - Clear HDSEL in CR3 using @ref LL_USART_DisableHalfDuplex() function
		1661	* - Configure STOP in CR2 using @ref LL_USART_SetStopBitsLength() function
		1662	* - Set IREN in CR3 using @ref LL_USART_EnableIrda() function
		1663	* @note Other remaining configurations items related to Irda Mode
		1664	* (as Baud Rate, Word length, Power mode, ...) should be set using
		1665	* dedicated functions
		1666	* @rmtoll CR2 LINEN LL_USART_ConfigIrdaMode\n
		1667	* CR2 CLKEN LL_USART_ConfigIrdaMode\n
		1668	* CR2 STOP LL_USART_ConfigIrdaMode\n
		1669	* CR3 SCEN LL_USART_ConfigIrdaMode\n
		1670	* CR3 HDSEL LL_USART_ConfigIrdaMode\n
		1671	* CR3 IREN LL_USART_ConfigIrdaMode
		1672	* @param USARTx USART Instance
		1673	* @retval None
		1674	*/
		1675	__STATIC_INLINE void LL_USART_ConfigIrdaMode(USART_TypeDef *USARTx)
		1676	{
		1677	/* In IRDA mode, the following bits must be kept cleared:
		1678	- LINEN, STOP and CLKEN bits in the USART_CR2 register,
		1679	- SCEN and HDSEL bits in the USART_CR3 register.*/
		1680	CLEAR_BIT(USARTx->CR2, (USART_CR2_LINEN \| USART_CR2_CLKEN \| USART_CR2_STOP));
		1681	CLEAR_BIT(USARTx->CR3, (USART_CR3_SCEN \| USART_CR3_HDSEL));
		1682	/* set the UART/USART in IRDA mode */
		1683	SET_BIT(USARTx->CR3, USART_CR3_IREN);
		1684	}
		1685
		1686	/**
		1687	* @brief Perform basic configuration of USART for enabling use in Multi processor Mode
		1688	* (several USARTs connected in a network, one of the USARTs can be the master,
		1689	* its TX output connected to the RX inputs of the other slaves USARTs).
		1690	* @note In MultiProcessor mode, the following bits must be kept cleared:
		1691	* - LINEN bit in the USART_CR2 register,
		1692	* - CLKEN bit in the USART_CR2 register,
		1693	* - SCEN bit in the USART_CR3 register,
		1694	* - IREN bit in the USART_CR3 register,
		1695	* - HDSEL bit in the USART_CR3 register.
		1696	* @note Call of this function is equivalent to following function call sequence :
		1697	* - Clear LINEN in CR2 using @ref LL_USART_DisableLIN() function
		1698	* - Clear CLKEN in CR2 using @ref LL_USART_DisableSCLKOutput() function
		1699	* - Clear SCEN in CR3 using @ref LL_USART_DisableSmartcard() function
		1700	* - Clear IREN in CR3 using @ref LL_USART_DisableIrda() function
		1701	* - Clear HDSEL in CR3 using @ref LL_USART_DisableHalfDuplex() function
		1702	* @note Other remaining configurations items related to Multi processor Mode
		1703	* (as Baud Rate, Wake Up Method, Node address, ...) should be set using
		1704	* dedicated functions
		1705	* @rmtoll CR2 LINEN LL_USART_ConfigMultiProcessMode\n
		1706	* CR2 CLKEN LL_USART_ConfigMultiProcessMode\n
		1707	* CR3 SCEN LL_USART_ConfigMultiProcessMode\n
		1708	* CR3 HDSEL LL_USART_ConfigMultiProcessMode\n
		1709	* CR3 IREN LL_USART_ConfigMultiProcessMode
		1710	* @param USARTx USART Instance
		1711	* @retval None
		1712	*/
		1713	__STATIC_INLINE void LL_USART_ConfigMultiProcessMode(USART_TypeDef *USARTx)
		1714	{
		1715	/* In Multi Processor mode, the following bits must be kept cleared:
		1716	- LINEN and CLKEN bits in the USART_CR2 register,
		1717	- IREN, SCEN and HDSEL bits in the USART_CR3 register.*/
		1718	CLEAR_BIT(USARTx->CR2, (USART_CR2_LINEN \| USART_CR2_CLKEN));
		1719	CLEAR_BIT(USARTx->CR3, (USART_CR3_SCEN \| USART_CR3_HDSEL \| USART_CR3_IREN));
		1720	}
		1721
		1722	/**
		1723	* @}
		1724	*/
		1725
		1726	/** @defgroup USART_LL_EF_FLAG_Management FLAG_Management
		1727	* @{
		1728	*/
		1729
		1730	/**
		1731	* @brief Check if the USART Parity Error Flag is set or not
		1732	* @rmtoll SR PE LL_USART_IsActiveFlag_PE
		1733	* @param USARTx USART Instance
		1734	* @retval State of bit (1 or 0).
		1735	*/
		1736	__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_PE(USART_TypeDef *USARTx)
		1737	{
		1738	return (READ_BIT(USARTx->SR, USART_SR_PE) == (USART_SR_PE));
		1739	}
		1740
		1741	/**
		1742	* @brief Check if the USART Framing Error Flag is set or not
		1743	* @rmtoll SR FE LL_USART_IsActiveFlag_FE
		1744	* @param USARTx USART Instance
		1745	* @retval State of bit (1 or 0).
		1746	*/
		1747	__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_FE(USART_TypeDef *USARTx)
		1748	{
		1749	return (READ_BIT(USARTx->SR, USART_SR_FE) == (USART_SR_FE));
		1750	}
		1751
		1752	/**
		1753	* @brief Check if the USART Noise error detected Flag is set or not
		1754	* @rmtoll SR NF LL_USART_IsActiveFlag_NE
		1755	* @param USARTx USART Instance
		1756	* @retval State of bit (1 or 0).
		1757	*/
		1758	__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_NE(USART_TypeDef *USARTx)
		1759	{
		1760	return (READ_BIT(USARTx->SR, USART_SR_NE) == (USART_SR_NE));
		1761	}
		1762
		1763	/**
		1764	* @brief Check if the USART OverRun Error Flag is set or not
		1765	* @rmtoll SR ORE LL_USART_IsActiveFlag_ORE
		1766	* @param USARTx USART Instance
		1767	* @retval State of bit (1 or 0).
		1768	*/
		1769	__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_ORE(USART_TypeDef *USARTx)
		1770	{
		1771	return (READ_BIT(USARTx->SR, USART_SR_ORE) == (USART_SR_ORE));
		1772	}
		1773
		1774	/**
		1775	* @brief Check if the USART IDLE line detected Flag is set or not
		1776	* @rmtoll SR IDLE LL_USART_IsActiveFlag_IDLE
		1777	* @param USARTx USART Instance
		1778	* @retval State of bit (1 or 0).
		1779	*/
		1780	__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_IDLE(USART_TypeDef *USARTx)
		1781	{
		1782	return (READ_BIT(USARTx->SR, USART_SR_IDLE) == (USART_SR_IDLE));
		1783	}
		1784
		1785	/**
		1786	* @brief Check if the USART Read Data Register Not Empty Flag is set or not
		1787	* @rmtoll SR RXNE LL_USART_IsActiveFlag_RXNE
		1788	* @param USARTx USART Instance
		1789	* @retval State of bit (1 or 0).
		1790	*/
		1791	__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_RXNE(USART_TypeDef *USARTx)
		1792	{
		1793	return (READ_BIT(USARTx->SR, USART_SR_RXNE) == (USART_SR_RXNE));
		1794	}
		1795
		1796	/**
		1797	* @brief Check if the USART Transmission Complete Flag is set or not
		1798	* @rmtoll SR TC LL_USART_IsActiveFlag_TC
		1799	* @param USARTx USART Instance
		1800	* @retval State of bit (1 or 0).
		1801	*/
		1802	__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_TC(USART_TypeDef *USARTx)
		1803	{
		1804	return (READ_BIT(USARTx->SR, USART_SR_TC) == (USART_SR_TC));
		1805	}
		1806
		1807	/**
		1808	* @brief Check if the USART Transmit Data Register Empty Flag is set or not
		1809	* @rmtoll SR TXE LL_USART_IsActiveFlag_TXE
		1810	* @param USARTx USART Instance
		1811	* @retval State of bit (1 or 0).
		1812	*/
		1813	__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_TXE(USART_TypeDef *USARTx)
		1814	{
		1815	return (READ_BIT(USARTx->SR, USART_SR_TXE) == (USART_SR_TXE));
		1816	}
		1817
		1818	/**
		1819	* @brief Check if the USART LIN Break Detection Flag is set or not
		1820	* @note Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not
		1821	* LIN feature is supported by the USARTx instance.
		1822	* @rmtoll SR LBD LL_USART_IsActiveFlag_LBD
		1823	* @param USARTx USART Instance
		1824	* @retval State of bit (1 or 0).
		1825	*/
		1826	__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_LBD(USART_TypeDef *USARTx)
		1827	{
		1828	return (READ_BIT(USARTx->SR, USART_SR_LBD) == (USART_SR_LBD));
		1829	}
		1830
		1831	/**
		1832	* @brief Check if the USART CTS Flag is set or not
		1833	* @note Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not
		1834	* Hardware Flow control feature is supported by the USARTx instance.
		1835	* @rmtoll SR CTS LL_USART_IsActiveFlag_nCTS
		1836	* @param USARTx USART Instance
		1837	* @retval State of bit (1 or 0).
		1838	*/
		1839	__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_nCTS(USART_TypeDef *USARTx)
		1840	{
		1841	return (READ_BIT(USARTx->SR, USART_SR_CTS) == (USART_SR_CTS));
		1842	}
		1843
		1844	/**
		1845	* @brief Check if the USART Send Break Flag is set or not
		1846	* @rmtoll CR1 SBK LL_USART_IsActiveFlag_SBK
		1847	* @param USARTx USART Instance
		1848	* @retval State of bit (1 or 0).
		1849	*/
		1850	__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_SBK(USART_TypeDef *USARTx)
		1851	{
		1852	return (READ_BIT(USARTx->CR1, USART_CR1_SBK) == (USART_CR1_SBK));
		1853	}
		1854
		1855	/**
		1856	* @brief Check if the USART Receive Wake Up from mute mode Flag is set or not
		1857	* @rmtoll CR1 RWU LL_USART_IsActiveFlag_RWU
		1858	* @param USARTx USART Instance
		1859	* @retval State of bit (1 or 0).
		1860	*/
		1861	__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_RWU(USART_TypeDef *USARTx)
		1862	{
		1863	return (READ_BIT(USARTx->CR1, USART_CR1_RWU) == (USART_CR1_RWU));
		1864	}
		1865
		1866	/**
		1867	* @brief Clear Parity Error Flag
		1868	* @note Clearing this flag is done by a read access to the USARTx_SR
		1869	* register followed by a read access to the USARTx_DR register.
		1870	* @note Please also consider that when clearing this flag, other flags as
		1871	* NE, FE, ORE, IDLE would also be cleared.
		1872	* @rmtoll SR PE LL_USART_ClearFlag_PE
		1873	* @param USARTx USART Instance
		1874	* @retval None
		1875	*/
		1876	__STATIC_INLINE void LL_USART_ClearFlag_PE(USART_TypeDef *USARTx)
		1877	{
		1878	__IO uint32_t tmpreg;
		1879	tmpreg = USARTx->SR;
		1880	(void) tmpreg;
		1881	tmpreg = USARTx->DR;
		1882	(void) tmpreg;
		1883	}
		1884
		1885	/**
		1886	* @brief Clear Framing Error Flag
		1887	* @note Clearing this flag is done by a read access to the USARTx_SR
		1888	* register followed by a read access to the USARTx_DR register.
		1889	* @note Please also consider that when clearing this flag, other flags as
		1890	* PE, NE, ORE, IDLE would also be cleared.
		1891	* @rmtoll SR FE LL_USART_ClearFlag_FE
		1892	* @param USARTx USART Instance
		1893	* @retval None
		1894	*/
		1895	__STATIC_INLINE void LL_USART_ClearFlag_FE(USART_TypeDef *USARTx)
		1896	{
		1897	__IO uint32_t tmpreg;
		1898	tmpreg = USARTx->SR;
		1899	(void) tmpreg;
		1900	tmpreg = USARTx->DR;
		1901	(void) tmpreg;
		1902	}
		1903
		1904	/**
		1905	* @brief Clear Noise detected Flag
		1906	* @note Clearing this flag is done by a read access to the USARTx_SR
		1907	* register followed by a read access to the USARTx_DR register.
		1908	* @note Please also consider that when clearing this flag, other flags as
		1909	* PE, FE, ORE, IDLE would also be cleared.
		1910	* @rmtoll SR NF LL_USART_ClearFlag_NE
		1911	* @param USARTx USART Instance
		1912	* @retval None
		1913	*/
		1914	__STATIC_INLINE void LL_USART_ClearFlag_NE(USART_TypeDef *USARTx)
		1915	{
		1916	__IO uint32_t tmpreg;
		1917	tmpreg = USARTx->SR;
		1918	(void) tmpreg;
		1919	tmpreg = USARTx->DR;
		1920	(void) tmpreg;
		1921	}
		1922
		1923	/**
		1924	* @brief Clear OverRun Error Flag
		1925	* @note Clearing this flag is done by a read access to the USARTx_SR
		1926	* register followed by a read access to the USARTx_DR register.
		1927	* @note Please also consider that when clearing this flag, other flags as
		1928	* PE, NE, FE, IDLE would also be cleared.
		1929	* @rmtoll SR ORE LL_USART_ClearFlag_ORE
		1930	* @param USARTx USART Instance
		1931	* @retval None
		1932	*/
		1933	__STATIC_INLINE void LL_USART_ClearFlag_ORE(USART_TypeDef *USARTx)
		1934	{
		1935	__IO uint32_t tmpreg;
		1936	tmpreg = USARTx->SR;
		1937	(void) tmpreg;
		1938	tmpreg = USARTx->DR;
		1939	(void) tmpreg;
		1940	}
		1941
		1942	/**
		1943	* @brief Clear IDLE line detected Flag
		1944	* @note Clearing this flag is done by a read access to the USARTx_SR
		1945	* register followed by a read access to the USARTx_DR register.
		1946	* @note Please also consider that when clearing this flag, other flags as
		1947	* PE, NE, FE, ORE would also be cleared.
		1948	* @rmtoll SR IDLE LL_USART_ClearFlag_IDLE
		1949	* @param USARTx USART Instance
		1950	* @retval None
		1951	*/
		1952	__STATIC_INLINE void LL_USART_ClearFlag_IDLE(USART_TypeDef *USARTx)
		1953	{
		1954	__IO uint32_t tmpreg;
		1955	tmpreg = USARTx->SR;
		1956	(void) tmpreg;
		1957	tmpreg = USARTx->DR;
		1958	(void) tmpreg;
		1959	}
		1960
		1961	/**
		1962	* @brief Clear Transmission Complete Flag
		1963	* @rmtoll SR TC LL_USART_ClearFlag_TC
		1964	* @param USARTx USART Instance
		1965	* @retval None
		1966	*/
		1967	__STATIC_INLINE void LL_USART_ClearFlag_TC(USART_TypeDef *USARTx)
		1968	{
		1969	WRITE_REG(USARTx->SR, ~(USART_SR_TC));
		1970	}
		1971
		1972	/**
		1973	* @brief Clear RX Not Empty Flag
		1974	* @rmtoll SR RXNE LL_USART_ClearFlag_RXNE
		1975	* @param USARTx USART Instance
		1976	* @retval None
		1977	*/
		1978	__STATIC_INLINE void LL_USART_ClearFlag_RXNE(USART_TypeDef *USARTx)
		1979	{
		1980	WRITE_REG(USARTx->SR, ~(USART_SR_RXNE));
		1981	}
		1982
		1983	/**
		1984	* @brief Clear LIN Break Detection Flag
		1985	* @note Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not
		1986	* LIN feature is supported by the USARTx instance.
		1987	* @rmtoll SR LBD LL_USART_ClearFlag_LBD
		1988	* @param USARTx USART Instance
		1989	* @retval None
		1990	*/
		1991	__STATIC_INLINE void LL_USART_ClearFlag_LBD(USART_TypeDef *USARTx)
		1992	{
		1993	WRITE_REG(USARTx->SR, ~(USART_SR_LBD));
		1994	}
		1995
		1996	/**
		1997	* @brief Clear CTS Interrupt Flag
		1998	* @note Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not
		1999	* Hardware Flow control feature is supported by the USARTx instance.
		2000	* @rmtoll SR CTS LL_USART_ClearFlag_nCTS
		2001	* @param USARTx USART Instance
		2002	* @retval None
		2003	*/
		2004	__STATIC_INLINE void LL_USART_ClearFlag_nCTS(USART_TypeDef *USARTx)
		2005	{
		2006	WRITE_REG(USARTx->SR, ~(USART_SR_CTS));
		2007	}
		2008
		2009	/**
		2010	* @}
		2011	*/
		2012
		2013	/** @defgroup USART_LL_EF_IT_Management IT_Management
		2014	* @{
		2015	*/
		2016
		2017	/**
		2018	* @brief Enable IDLE Interrupt
		2019	* @rmtoll CR1 IDLEIE LL_USART_EnableIT_IDLE
		2020	* @param USARTx USART Instance
		2021	* @retval None
		2022	*/
		2023	__STATIC_INLINE void LL_USART_EnableIT_IDLE(USART_TypeDef *USARTx)
		2024	{
		2025	SET_BIT(USARTx->CR1, USART_CR1_IDLEIE);
		2026	}
		2027
		2028	/**
		2029	* @brief Enable RX Not Empty Interrupt
		2030	* @rmtoll CR1 RXNEIE LL_USART_EnableIT_RXNE
		2031	* @param USARTx USART Instance
		2032	* @retval None
		2033	*/
		2034	__STATIC_INLINE void LL_USART_EnableIT_RXNE(USART_TypeDef *USARTx)
		2035	{
		2036	SET_BIT(USARTx->CR1, USART_CR1_RXNEIE);
		2037	}
		2038
		2039	/**
		2040	* @brief Enable Transmission Complete Interrupt
		2041	* @rmtoll CR1 TCIE LL_USART_EnableIT_TC
		2042	* @param USARTx USART Instance
		2043	* @retval None
		2044	*/
		2045	__STATIC_INLINE void LL_USART_EnableIT_TC(USART_TypeDef *USARTx)
		2046	{
		2047	SET_BIT(USARTx->CR1, USART_CR1_TCIE);
		2048	}
		2049
		2050	/**
		2051	* @brief Enable TX Empty Interrupt
		2052	* @rmtoll CR1 TXEIE LL_USART_EnableIT_TXE
		2053	* @param USARTx USART Instance
		2054	* @retval None
		2055	*/
		2056	__STATIC_INLINE void LL_USART_EnableIT_TXE(USART_TypeDef *USARTx)
		2057	{
		2058	SET_BIT(USARTx->CR1, USART_CR1_TXEIE);
		2059	}
		2060
		2061	/**
		2062	* @brief Enable Parity Error Interrupt
		2063	* @rmtoll CR1 PEIE LL_USART_EnableIT_PE
		2064	* @param USARTx USART Instance
		2065	* @retval None
		2066	*/
		2067	__STATIC_INLINE void LL_USART_EnableIT_PE(USART_TypeDef *USARTx)
		2068	{
		2069	SET_BIT(USARTx->CR1, USART_CR1_PEIE);
		2070	}
		2071
		2072	/**
		2073	* @brief Enable LIN Break Detection Interrupt
		2074	* @note Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not
		2075	* LIN feature is supported by the USARTx instance.
		2076	* @rmtoll CR2 LBDIE LL_USART_EnableIT_LBD
		2077	* @param USARTx USART Instance
		2078	* @retval None
		2079	*/
		2080	__STATIC_INLINE void LL_USART_EnableIT_LBD(USART_TypeDef *USARTx)
		2081	{
		2082	SET_BIT(USARTx->CR2, USART_CR2_LBDIE);
		2083	}
		2084
		2085	/**
		2086	* @brief Enable Error Interrupt
		2087	* @note When set, Error Interrupt Enable Bit is enabling interrupt generation in case of a framing
		2088	* error, overrun error or noise flag (FE=1 or ORE=1 or NF=1 in the USARTx_SR register).
		2089	* 0: Interrupt is inhibited
		2090	* 1: An interrupt is generated when FE=1 or ORE=1 or NF=1 in the USARTx_SR register.
		2091	* @rmtoll CR3 EIE LL_USART_EnableIT_ERROR
		2092	* @param USARTx USART Instance
		2093	* @retval None
		2094	*/
		2095	__STATIC_INLINE void LL_USART_EnableIT_ERROR(USART_TypeDef *USARTx)
		2096	{
		2097	SET_BIT(USARTx->CR3, USART_CR3_EIE);
		2098	}
		2099
		2100	/**
		2101	* @brief Enable CTS Interrupt
		2102	* @note Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not
		2103	* Hardware Flow control feature is supported by the USARTx instance.
		2104	* @rmtoll CR3 CTSIE LL_USART_EnableIT_CTS
		2105	* @param USARTx USART Instance
		2106	* @retval None
		2107	*/
		2108	__STATIC_INLINE void LL_USART_EnableIT_CTS(USART_TypeDef *USARTx)
		2109	{
		2110	SET_BIT(USARTx->CR3, USART_CR3_CTSIE);
		2111	}
		2112
		2113	/**
		2114	* @brief Disable IDLE Interrupt
		2115	* @rmtoll CR1 IDLEIE LL_USART_DisableIT_IDLE
		2116	* @param USARTx USART Instance
		2117	* @retval None
		2118	*/
		2119	__STATIC_INLINE void LL_USART_DisableIT_IDLE(USART_TypeDef *USARTx)
		2120	{
		2121	CLEAR_BIT(USARTx->CR1, USART_CR1_IDLEIE);
		2122	}
		2123
		2124	/**
		2125	* @brief Disable RX Not Empty Interrupt
		2126	* @rmtoll CR1 RXNEIE LL_USART_DisableIT_RXNE
		2127	* @param USARTx USART Instance
		2128	* @retval None
		2129	*/
		2130	__STATIC_INLINE void LL_USART_DisableIT_RXNE(USART_TypeDef *USARTx)
		2131	{
		2132	CLEAR_BIT(USARTx->CR1, USART_CR1_RXNEIE);
		2133	}
		2134
		2135	/**
		2136	* @brief Disable Transmission Complete Interrupt
		2137	* @rmtoll CR1 TCIE LL_USART_DisableIT_TC
		2138	* @param USARTx USART Instance
		2139	* @retval None
		2140	*/
		2141	__STATIC_INLINE void LL_USART_DisableIT_TC(USART_TypeDef *USARTx)
		2142	{
		2143	CLEAR_BIT(USARTx->CR1, USART_CR1_TCIE);
		2144	}
		2145
		2146	/**
		2147	* @brief Disable TX Empty Interrupt
		2148	* @rmtoll CR1 TXEIE LL_USART_DisableIT_TXE
		2149	* @param USARTx USART Instance
		2150	* @retval None
		2151	*/
		2152	__STATIC_INLINE void LL_USART_DisableIT_TXE(USART_TypeDef *USARTx)
		2153	{
		2154	CLEAR_BIT(USARTx->CR1, USART_CR1_TXEIE);
		2155	}
		2156
		2157	/**
		2158	* @brief Disable Parity Error Interrupt
		2159	* @rmtoll CR1 PEIE LL_USART_DisableIT_PE
		2160	* @param USARTx USART Instance
		2161	* @retval None
		2162	*/
		2163	__STATIC_INLINE void LL_USART_DisableIT_PE(USART_TypeDef *USARTx)
		2164	{
		2165	CLEAR_BIT(USARTx->CR1, USART_CR1_PEIE);
		2166	}
		2167
		2168	/**
		2169	* @brief Disable LIN Break Detection Interrupt
		2170	* @note Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not
		2171	* LIN feature is supported by the USARTx instance.
		2172	* @rmtoll CR2 LBDIE LL_USART_DisableIT_LBD
		2173	* @param USARTx USART Instance
		2174	* @retval None
		2175	*/
		2176	__STATIC_INLINE void LL_USART_DisableIT_LBD(USART_TypeDef *USARTx)
		2177	{
		2178	CLEAR_BIT(USARTx->CR2, USART_CR2_LBDIE);
		2179	}
		2180
		2181	/**
		2182	* @brief Disable Error Interrupt
		2183	* @note When set, Error Interrupt Enable Bit is enabling interrupt generation in case of a framing
		2184	* error, overrun error or noise flag (FE=1 or ORE=1 or NF=1 in the USARTx_SR register).
		2185	* 0: Interrupt is inhibited
		2186	* 1: An interrupt is generated when FE=1 or ORE=1 or NF=1 in the USARTx_SR register.
		2187	* @rmtoll CR3 EIE LL_USART_DisableIT_ERROR
		2188	* @param USARTx USART Instance
		2189	* @retval None
		2190	*/
		2191	__STATIC_INLINE void LL_USART_DisableIT_ERROR(USART_TypeDef *USARTx)
		2192	{
		2193	CLEAR_BIT(USARTx->CR3, USART_CR3_EIE);
		2194	}
		2195
		2196	/**
		2197	* @brief Disable CTS Interrupt
		2198	* @note Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not
		2199	* Hardware Flow control feature is supported by the USARTx instance.
		2200	* @rmtoll CR3 CTSIE LL_USART_DisableIT_CTS
		2201	* @param USARTx USART Instance
		2202	* @retval None
		2203	*/
		2204	__STATIC_INLINE void LL_USART_DisableIT_CTS(USART_TypeDef *USARTx)
		2205	{
		2206	CLEAR_BIT(USARTx->CR3, USART_CR3_CTSIE);
		2207	}
		2208
		2209	/**
		2210	* @brief Check if the USART IDLE Interrupt source is enabled or disabled.
		2211	* @rmtoll CR1 IDLEIE LL_USART_IsEnabledIT_IDLE
		2212	* @param USARTx USART Instance
		2213	* @retval State of bit (1 or 0).
		2214	*/
		2215	__STATIC_INLINE uint32_t LL_USART_IsEnabledIT_IDLE(USART_TypeDef *USARTx)
		2216	{
		2217	return (READ_BIT(USARTx->CR1, USART_CR1_IDLEIE) == (USART_CR1_IDLEIE));
		2218	}
		2219
		2220	/**
		2221	* @brief Check if the USART RX Not Empty Interrupt is enabled or disabled.
		2222	* @rmtoll CR1 RXNEIE LL_USART_IsEnabledIT_RXNE
		2223	* @param USARTx USART Instance
		2224	* @retval State of bit (1 or 0).
		2225	*/
		2226	__STATIC_INLINE uint32_t LL_USART_IsEnabledIT_RXNE(USART_TypeDef *USARTx)
		2227	{
		2228	return (READ_BIT(USARTx->CR1, USART_CR1_RXNEIE) == (USART_CR1_RXNEIE));
		2229	}
		2230
		2231	/**
		2232	* @brief Check if the USART Transmission Complete Interrupt is enabled or disabled.
		2233	* @rmtoll CR1 TCIE LL_USART_IsEnabledIT_TC
		2234	* @param USARTx USART Instance
		2235	* @retval State of bit (1 or 0).
		2236	*/
		2237	__STATIC_INLINE uint32_t LL_USART_IsEnabledIT_TC(USART_TypeDef *USARTx)
		2238	{
		2239	return (READ_BIT(USARTx->CR1, USART_CR1_TCIE) == (USART_CR1_TCIE));
		2240	}
		2241
		2242	/**
		2243	* @brief Check if the USART TX Empty Interrupt is enabled or disabled.
		2244	* @rmtoll CR1 TXEIE LL_USART_IsEnabledIT_TXE
		2245	* @param USARTx USART Instance
		2246	* @retval State of bit (1 or 0).
		2247	*/
		2248	__STATIC_INLINE uint32_t LL_USART_IsEnabledIT_TXE(USART_TypeDef *USARTx)
		2249	{
		2250	return (READ_BIT(USARTx->CR1, USART_CR1_TXEIE) == (USART_CR1_TXEIE));
		2251	}
		2252
		2253	/**
		2254	* @brief Check if the USART Parity Error Interrupt is enabled or disabled.
		2255	* @rmtoll CR1 PEIE LL_USART_IsEnabledIT_PE
		2256	* @param USARTx USART Instance
		2257	* @retval State of bit (1 or 0).
		2258	*/
		2259	__STATIC_INLINE uint32_t LL_USART_IsEnabledIT_PE(USART_TypeDef *USARTx)
		2260	{
		2261	return (READ_BIT(USARTx->CR1, USART_CR1_PEIE) == (USART_CR1_PEIE));
		2262	}
		2263
		2264	/**
		2265	* @brief Check if the USART LIN Break Detection Interrupt is enabled or disabled.
		2266	* @note Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not
		2267	* LIN feature is supported by the USARTx instance.
		2268	* @rmtoll CR2 LBDIE LL_USART_IsEnabledIT_LBD
		2269	* @param USARTx USART Instance
		2270	* @retval State of bit (1 or 0).
		2271	*/
		2272	__STATIC_INLINE uint32_t LL_USART_IsEnabledIT_LBD(USART_TypeDef *USARTx)
		2273	{
		2274	return (READ_BIT(USARTx->CR2, USART_CR2_LBDIE) == (USART_CR2_LBDIE));
		2275	}
		2276
		2277	/**
		2278	* @brief Check if the USART Error Interrupt is enabled or disabled.
		2279	* @rmtoll CR3 EIE LL_USART_IsEnabledIT_ERROR
		2280	* @param USARTx USART Instance
		2281	* @retval State of bit (1 or 0).
		2282	*/
		2283	__STATIC_INLINE uint32_t LL_USART_IsEnabledIT_ERROR(USART_TypeDef *USARTx)
		2284	{
		2285	return (READ_BIT(USARTx->CR3, USART_CR3_EIE) == (USART_CR3_EIE));
		2286	}
		2287
		2288	/**
		2289	* @brief Check if the USART CTS Interrupt is enabled or disabled.
		2290	* @note Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not
		2291	* Hardware Flow control feature is supported by the USARTx instance.
		2292	* @rmtoll CR3 CTSIE LL_USART_IsEnabledIT_CTS
		2293	* @param USARTx USART Instance
		2294	* @retval State of bit (1 or 0).
		2295	*/
		2296	__STATIC_INLINE uint32_t LL_USART_IsEnabledIT_CTS(USART_TypeDef *USARTx)
		2297	{
		2298	return (READ_BIT(USARTx->CR3, USART_CR3_CTSIE) == (USART_CR3_CTSIE));
		2299	}
		2300
		2301	/**
		2302	* @}
		2303	*/
		2304
		2305	/** @defgroup USART_LL_EF_DMA_Management DMA_Management
		2306	* @{
		2307	*/
		2308
		2309	/**
		2310	* @brief Enable DMA Mode for reception
		2311	* @rmtoll CR3 DMAR LL_USART_EnableDMAReq_RX
		2312	* @param USARTx USART Instance
		2313	* @retval None
		2314	*/
		2315	__STATIC_INLINE void LL_USART_EnableDMAReq_RX(USART_TypeDef *USARTx)
		2316	{
		2317	SET_BIT(USARTx->CR3, USART_CR3_DMAR);
		2318	}
		2319
		2320	/**
		2321	* @brief Disable DMA Mode for reception
		2322	* @rmtoll CR3 DMAR LL_USART_DisableDMAReq_RX
		2323	* @param USARTx USART Instance
		2324	* @retval None
		2325	*/
		2326	__STATIC_INLINE void LL_USART_DisableDMAReq_RX(USART_TypeDef *USARTx)
		2327	{
		2328	CLEAR_BIT(USARTx->CR3, USART_CR3_DMAR);
		2329	}
		2330
		2331	/**
		2332	* @brief Check if DMA Mode is enabled for reception
		2333	* @rmtoll CR3 DMAR LL_USART_IsEnabledDMAReq_RX
		2334	* @param USARTx USART Instance
		2335	* @retval State of bit (1 or 0).
		2336	*/
		2337	__STATIC_INLINE uint32_t LL_USART_IsEnabledDMAReq_RX(USART_TypeDef *USARTx)
		2338	{
		2339	return (READ_BIT(USARTx->CR3, USART_CR3_DMAR) == (USART_CR3_DMAR));
		2340	}
		2341
		2342	/**
		2343	* @brief Enable DMA Mode for transmission
		2344	* @rmtoll CR3 DMAT LL_USART_EnableDMAReq_TX
		2345	* @param USARTx USART Instance
		2346	* @retval None
		2347	*/
		2348	__STATIC_INLINE void LL_USART_EnableDMAReq_TX(USART_TypeDef *USARTx)
		2349	{
		2350	SET_BIT(USARTx->CR3, USART_CR3_DMAT);
		2351	}
		2352
		2353	/**
		2354	* @brief Disable DMA Mode for transmission
		2355	* @rmtoll CR3 DMAT LL_USART_DisableDMAReq_TX
		2356	* @param USARTx USART Instance
		2357	* @retval None
		2358	*/
		2359	__STATIC_INLINE void LL_USART_DisableDMAReq_TX(USART_TypeDef *USARTx)
		2360	{
		2361	CLEAR_BIT(USARTx->CR3, USART_CR3_DMAT);
		2362	}
		2363
		2364	/**
		2365	* @brief Check if DMA Mode is enabled for transmission
		2366	* @rmtoll CR3 DMAT LL_USART_IsEnabledDMAReq_TX
		2367	* @param USARTx USART Instance
		2368	* @retval State of bit (1 or 0).
		2369	*/
		2370	__STATIC_INLINE uint32_t LL_USART_IsEnabledDMAReq_TX(USART_TypeDef *USARTx)
		2371	{
		2372	return (READ_BIT(USARTx->CR3, USART_CR3_DMAT) == (USART_CR3_DMAT));
		2373	}
		2374
		2375	/**
		2376	* @brief Get the data register address used for DMA transfer
		2377	* @rmtoll DR DR LL_USART_DMA_GetRegAddr
		2378	* @note Address of Data Register is valid for both Transmit and Receive transfers.
		2379	* @param USARTx USART Instance
		2380	* @retval Address of data register
		2381	*/
		2382	__STATIC_INLINE uint32_t LL_USART_DMA_GetRegAddr(USART_TypeDef *USARTx)
		2383	{
		2384	/* return address of DR register */
		2385	return ((uint32_t) & (USARTx->DR));
		2386	}
		2387
		2388	/**
		2389	* @}
		2390	*/
		2391
		2392	/** @defgroup USART_LL_EF_Data_Management Data_Management
		2393	* @{
		2394	*/
		2395
		2396	/**
		2397	* @brief Read Receiver Data register (Receive Data value, 8 bits)
		2398	* @rmtoll DR DR LL_USART_ReceiveData8
		2399	* @param USARTx USART Instance
		2400	* @retval Value between Min_Data=0x00 and Max_Data=0xFF
		2401	*/
		2402	__STATIC_INLINE uint8_t LL_USART_ReceiveData8(USART_TypeDef *USARTx)
		2403	{
		2404	return (uint8_t)(READ_BIT(USARTx->DR, USART_DR_DR));
		2405	}
		2406
		2407	/**
		2408	* @brief Read Receiver Data register (Receive Data value, 9 bits)
		2409	* @rmtoll DR DR LL_USART_ReceiveData9
		2410	* @param USARTx USART Instance
		2411	* @retval Value between Min_Data=0x00 and Max_Data=0x1FF
		2412	*/
		2413	__STATIC_INLINE uint16_t LL_USART_ReceiveData9(USART_TypeDef *USARTx)
		2414	{
		2415	return (uint16_t)(READ_BIT(USARTx->DR, USART_DR_DR));
		2416	}
		2417
		2418	/**
		2419	* @brief Write in Transmitter Data Register (Transmit Data value, 8 bits)
		2420	* @rmtoll DR DR LL_USART_TransmitData8
		2421	* @param USARTx USART Instance
		2422	* @param Value between Min_Data=0x00 and Max_Data=0xFF
		2423	* @retval None
		2424	*/
		2425	__STATIC_INLINE void LL_USART_TransmitData8(USART_TypeDef *USARTx, uint8_t Value)
		2426	{
		2427	USARTx->DR = Value;
		2428	}
		2429
		2430	/**
		2431	* @brief Write in Transmitter Data Register (Transmit Data value, 9 bits)
		2432	* @rmtoll DR DR LL_USART_TransmitData9
		2433	* @param USARTx USART Instance
		2434	* @param Value between Min_Data=0x00 and Max_Data=0x1FF
		2435	* @retval None
		2436	*/
		2437	__STATIC_INLINE void LL_USART_TransmitData9(USART_TypeDef *USARTx, uint16_t Value)
		2438	{
		2439	USARTx->DR = Value & 0x1FFU;
		2440	}
		2441
		2442	/**
		2443	* @}
		2444	*/
		2445
		2446	/** @defgroup USART_LL_EF_Execution Execution
		2447	* @{
		2448	*/
		2449
		2450	/**
		2451	* @brief Request Break sending
		2452	* @rmtoll CR1 SBK LL_USART_RequestBreakSending
		2453	* @param USARTx USART Instance
		2454	* @retval None
		2455	*/
		2456	__STATIC_INLINE void LL_USART_RequestBreakSending(USART_TypeDef *USARTx)
		2457	{
		2458	SET_BIT(USARTx->CR1, USART_CR1_SBK);
		2459	}
		2460
		2461	/**
		2462	* @brief Put USART in Mute mode
		2463	* @rmtoll CR1 RWU LL_USART_RequestEnterMuteMode
		2464	* @param USARTx USART Instance
		2465	* @retval None
		2466	*/
		2467	__STATIC_INLINE void LL_USART_RequestEnterMuteMode(USART_TypeDef *USARTx)
		2468	{
		2469	SET_BIT(USARTx->CR1, USART_CR1_RWU);
		2470	}
		2471
		2472	/**
		2473	* @brief Put USART in Active mode
		2474	* @rmtoll CR1 RWU LL_USART_RequestExitMuteMode
		2475	* @param USARTx USART Instance
		2476	* @retval None
		2477	*/
		2478	__STATIC_INLINE void LL_USART_RequestExitMuteMode(USART_TypeDef *USARTx)
		2479	{
		2480	CLEAR_BIT(USARTx->CR1, USART_CR1_RWU);
		2481	}
		2482
		2483	/**
		2484	* @}
		2485	*/
		2486
		2487	#if defined(USE_FULL_LL_DRIVER)
		2488	/** @defgroup USART_LL_EF_Init Initialization and de-initialization functions
		2489	* @{
		2490	*/
		2491	ErrorStatus LL_USART_DeInit(USART_TypeDef *USARTx);
		2492	ErrorStatus LL_USART_Init(USART_TypeDef USARTx, LL_USART_InitTypeDef USART_InitStruct);
		2493	void LL_USART_StructInit(LL_USART_InitTypeDef *USART_InitStruct);
		2494	ErrorStatus LL_USART_ClockInit(USART_TypeDef USARTx, LL_USART_ClockInitTypeDef USART_ClockInitStruct);
		2495	void LL_USART_ClockStructInit(LL_USART_ClockInitTypeDef *USART_ClockInitStruct);
		2496	/**
		2497	* @}
		2498	*/
		2499	#endif /* USE_FULL_LL_DRIVER */
		2500
		2501	/**
		2502	* @}
		2503	*/
		2504
		2505	/**
		2506	* @}
		2507	*/
		2508
		2509	#endif /* USART1 \|\| USART2\|\| USART3 \|\| UART4 \|\| UART5 */
		2510
		2511	/**
		2512	* @}
		2513	*/
		2514
		2515	#ifdef __cplusplus
		2516	}
		2517	#endif
		2518
		2519	#endif /* __STM32L1xx_LL_USART_H */
		2520
		2521	/********************** (C) COPYRIGHT STMicroelectronics *END OF FILE**/

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