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Rev	Author	Line No.	Line
2	mjames	1	/**
		2	******************************************************************************
		3	* @file stm32f1xx_ll_usart.h
		4	* @author MCD Application Team
		5	* @brief Header file of USART LL module.
		6	******************************************************************************
		7	* @attention
		8	*
9	mjames	9	* <h2><center>© Copyright (c) 2016 STMicroelectronics.
		10	* All rights reserved.</center></h2>
2	mjames	11	*
9	mjames	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
2	mjames	16	*
		17	******************************************************************************
		18	*/
		19
		20	/* Define to prevent recursive inclusion -------------------------------------*/
		21	#ifndef __STM32F1xx_LL_USART_H
		22	#define __STM32F1xx_LL_USART_H
		23
		24	#ifdef __cplusplus
		25	extern "C" {
		26	#endif
		27
		28	/* Includes ------------------------------------------------------------------*/
		29	#include "stm32f1xx.h"
		30
		31	/** @addtogroup STM32F1xx_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	* @{
9	mjames	202	*/
2	mjames	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 /
9	mjames	232	#if defined(USART_CR1_OVER8)
2	mjames	233	#define LL_USART_OVERSAMPLING_8 USART_CR1_OVER8 /!< Oversampling by 8 /
9	mjames	234	#endif /* USART_OverSampling_Feature */
2	mjames	235	/**
		236	* @}
		237	*/
		238
		239	#if defined(USE_FULL_LL_DRIVER)
		240	/** @defgroup USART_LL_EC_CLOCK Clock Signal
		241	* @{
		242	*/
		243
		244	#define LL_USART_CLOCK_DISABLE 0x00000000U /!< Clock signal not provided /
		245	#define LL_USART_CLOCK_ENABLE USART_CR2_CLKEN /!< Clock signal provided /
		246	/**
		247	* @}
		248	*/
		249	#endif /USE_FULL_LL_DRIVER/
		250
		251	/** @defgroup USART_LL_EC_LASTCLKPULSE Last Clock Pulse
		252	* @{
		253	*/
		254	#define LL_USART_LASTCLKPULSE_NO_OUTPUT 0x00000000U /!< The clock pulse of the last data bit is not output to the SCLK pin /
		255	#define LL_USART_LASTCLKPULSE_OUTPUT USART_CR2_LBCL /!< The clock pulse of the last data bit is output to the SCLK pin /
		256	/**
		257	* @}
		258	*/
		259
		260	/** @defgroup USART_LL_EC_PHASE Clock Phase
		261	* @{
		262	*/
		263	#define LL_USART_PHASE_1EDGE 0x00000000U /!< The first clock transition is the first data capture edge /
		264	#define LL_USART_PHASE_2EDGE USART_CR2_CPHA /!< The second clock transition is the first data capture edge /
		265	/**
		266	* @}
		267	*/
		268
		269	/** @defgroup USART_LL_EC_POLARITY Clock Polarity
		270	* @{
		271	*/
		272	#define LL_USART_POLARITY_LOW 0x00000000U /!< Steady low value on SCLK pin outside transmission window/
		273	#define LL_USART_POLARITY_HIGH USART_CR2_CPOL /!< Steady high value on SCLK pin outside transmission window /
		274	/**
		275	* @}
		276	*/
		277
		278	/** @defgroup USART_LL_EC_STOPBITS Stop Bits
		279	* @{
		280	*/
		281	#define LL_USART_STOPBITS_0_5 USART_CR2_STOP_0 /!< 0.5 stop bit /
		282	#define LL_USART_STOPBITS_1 0x00000000U /!< 1 stop bit /
		283	#define LL_USART_STOPBITS_1_5 (USART_CR2_STOP_0 \| USART_CR2_STOP_1) /!< 1.5 stop bits /
		284	#define LL_USART_STOPBITS_2 USART_CR2_STOP_1 /!< 2 stop bits /
		285	/**
		286	* @}
		287	*/
		288
		289	/** @defgroup USART_LL_EC_HWCONTROL Hardware Control
		290	* @{
		291	*/
		292	#define LL_USART_HWCONTROL_NONE 0x00000000U /!< CTS and RTS hardware flow control disabled /
		293	#define LL_USART_HWCONTROL_RTS USART_CR3_RTSE /!< RTS output enabled, data is only requested when there is space in the receive buffer /
		294	#define LL_USART_HWCONTROL_CTS USART_CR3_CTSE /!< CTS mode enabled, data is only transmitted when the nCTS input is asserted (tied to 0) /
		295	#define LL_USART_HWCONTROL_RTS_CTS (USART_CR3_RTSE \| USART_CR3_CTSE) /!< CTS and RTS hardware flow control enabled /
		296	/**
		297	* @}
		298	*/
		299
		300	/** @defgroup USART_LL_EC_IRDA_POWER IrDA Power
		301	* @{
		302	*/
		303	#define LL_USART_IRDA_POWER_NORMAL 0x00000000U /!< IrDA normal power mode /
		304	#define LL_USART_IRDA_POWER_LOW USART_CR3_IRLP /!< IrDA low power mode /
		305	/**
		306	* @}
		307	*/
		308
		309	/** @defgroup USART_LL_EC_LINBREAK_DETECT LIN Break Detection Length
		310	* @{
		311	*/
		312	#define LL_USART_LINBREAK_DETECT_10B 0x00000000U /!< 10-bit break detection method selected /
		313	#define LL_USART_LINBREAK_DETECT_11B USART_CR2_LBDL /!< 11-bit break detection method selected /
		314	/**
		315	* @}
		316	*/
		317
		318	/**
		319	* @}
		320	*/
		321
		322	/* Exported macro ------------------------------------------------------------*/
		323	/** @defgroup USART_LL_Exported_Macros USART Exported Macros
		324	* @{
		325	*/
		326
		327	/** @defgroup USART_LL_EM_WRITE_READ Common Write and read registers Macros
		328	* @{
		329	*/
		330
		331	/**
		332	* @brief Write a value in USART register
		333	* @param __INSTANCE__ USART Instance
		334	* @param __REG__ Register to be written
		335	* @param __VALUE__ Value to be written in the register
		336	* @retval None
		337	*/
		338	#define LL_USART_WriteReg(__INSTANCE__, __REG__, __VALUE__) WRITE_REG(__INSTANCE__->__REG__, (__VALUE__))
		339
		340	/**
		341	* @brief Read a value in USART register
		342	* @param __INSTANCE__ USART Instance
		343	* @param __REG__ Register to be read
		344	* @retval Register value
		345	*/
		346	#define LL_USART_ReadReg(__INSTANCE__, __REG__) READ_REG(__INSTANCE__->__REG__)
		347	/**
		348	* @}
		349	*/
		350
		351	/** @defgroup USART_LL_EM_Exported_Macros_Helper Exported_Macros_Helper
		352	* @{
		353	*/
		354
		355	/**
		356	* @brief Compute USARTDIV value according to Peripheral Clock and
		357	* expected Baud Rate in 8 bits sampling mode (32 bits value of USARTDIV is returned)
		358	* @param __PERIPHCLK__ Peripheral Clock frequency used for USART instance
		359	* @param __BAUDRATE__ Baud rate value to achieve
		360	* @retval USARTDIV value to be used for BRR register filling in OverSampling_8 case
		361	*/
		362	#define __LL_USART_DIV_SAMPLING8_100(__PERIPHCLK__, __BAUDRATE__) (((__PERIPHCLK__)25)/(2(__BAUDRATE__)))
		363	#define __LL_USART_DIVMANT_SAMPLING8(__PERIPHCLK__, __BAUDRATE__) (__LL_USART_DIV_SAMPLING8_100((__PERIPHCLK__), (__BAUDRATE__))/100)
		364	#define __LL_USART_DIVFRAQ_SAMPLING8(__PERIPHCLK__, __BAUDRATE__) (((__LL_USART_DIV_SAMPLING8_100((__PERIPHCLK__), (__BAUDRATE__)) - (__LL_USART_DIVMANT_SAMPLING8((__PERIPHCLK__), (__BAUDRATE__)) * 100)) * 8 + 50) / 100)
		365	/* UART BRR = mantissa + overflow + fraction
		366	= (UART DIVMANT << 4) + ((UART DIVFRAQ & 0xF8) << 1) + (UART DIVFRAQ & 0x07) */
		367	#define __LL_USART_DIV_SAMPLING8(__PERIPHCLK__, __BAUDRATE__) (((__LL_USART_DIVMANT_SAMPLING8((__PERIPHCLK__), (__BAUDRATE__)) << 4) + \
		368	((__LL_USART_DIVFRAQ_SAMPLING8((__PERIPHCLK__), (__BAUDRATE__)) & 0xF8) << 1)) + \
		369	(__LL_USART_DIVFRAQ_SAMPLING8((__PERIPHCLK__), (__BAUDRATE__)) & 0x07))
		370
		371	/**
		372	* @brief Compute USARTDIV value according to Peripheral Clock and
		373	* expected Baud Rate in 16 bits sampling mode (32 bits value of USARTDIV is returned)
		374	* @param __PERIPHCLK__ Peripheral Clock frequency used for USART instance
		375	* @param __BAUDRATE__ Baud rate value to achieve
		376	* @retval USARTDIV value to be used for BRR register filling in OverSampling_16 case
		377	*/
		378	#define __LL_USART_DIV_SAMPLING16_100(__PERIPHCLK__, __BAUDRATE__) (((__PERIPHCLK__)25)/(4(__BAUDRATE__)))
		379	#define __LL_USART_DIVMANT_SAMPLING16(__PERIPHCLK__, __BAUDRATE__) (__LL_USART_DIV_SAMPLING16_100((__PERIPHCLK__), (__BAUDRATE__))/100)
9	mjames	380	#define __LL_USART_DIVFRAQ_SAMPLING16(__PERIPHCLK__, __BAUDRATE__) ((((__LL_USART_DIV_SAMPLING16_100((__PERIPHCLK__), (__BAUDRATE__)) - (__LL_USART_DIVMANT_SAMPLING16((__PERIPHCLK__), (__BAUDRATE__)) * 100)) * 16) + 50) / 100)
2	mjames	381	/* USART BRR = mantissa + overflow + fraction
		382	= (USART DIVMANT << 4) + (USART DIVFRAQ & 0xF0) + (USART DIVFRAQ & 0x0F) */
		383	#define __LL_USART_DIV_SAMPLING16(__PERIPHCLK__, __BAUDRATE__) (((__LL_USART_DIVMANT_SAMPLING16((__PERIPHCLK__), (__BAUDRATE__)) << 4) + \
		384	(__LL_USART_DIVFRAQ_SAMPLING16((__PERIPHCLK__), (__BAUDRATE__)) & 0xF0)) + \
		385	(__LL_USART_DIVFRAQ_SAMPLING16((__PERIPHCLK__), (__BAUDRATE__)) & 0x0F))
		386
		387	/**
		388	* @}
		389	*/
		390
		391	/**
		392	* @}
		393	*/
		394
		395	/* Exported functions --------------------------------------------------------*/
		396
		397	/** @defgroup USART_LL_Exported_Functions USART Exported Functions
		398	* @{
		399	*/
		400
		401	/** @defgroup USART_LL_EF_Configuration Configuration functions
		402	* @{
		403	*/
		404
		405	/**
		406	* @brief USART Enable
		407	* @rmtoll CR1 UE LL_USART_Enable
		408	* @param USARTx USART Instance
		409	* @retval None
		410	*/
		411	__STATIC_INLINE void LL_USART_Enable(USART_TypeDef *USARTx)
		412	{
		413	SET_BIT(USARTx->CR1, USART_CR1_UE);
		414	}
		415
		416	/**
		417	* @brief USART Disable (all USART prescalers and outputs are disabled)
		418	* @note When USART is disabled, USART prescalers and outputs are stopped immediately,
		419	* and current operations are discarded. The configuration of the USART is kept, but all the status
		420	* flags, in the USARTx_SR are set to their default values.
		421	* @rmtoll CR1 UE LL_USART_Disable
		422	* @param USARTx USART Instance
		423	* @retval None
		424	*/
		425	__STATIC_INLINE void LL_USART_Disable(USART_TypeDef *USARTx)
		426	{
		427	CLEAR_BIT(USARTx->CR1, USART_CR1_UE);
		428	}
		429
		430	/**
		431	* @brief Indicate if USART is enabled
		432	* @rmtoll CR1 UE LL_USART_IsEnabled
		433	* @param USARTx USART Instance
		434	* @retval State of bit (1 or 0).
		435	*/
		436	__STATIC_INLINE uint32_t LL_USART_IsEnabled(USART_TypeDef *USARTx)
		437	{
		438	return (READ_BIT(USARTx->CR1, USART_CR1_UE) == (USART_CR1_UE));
		439	}
		440
		441	/**
		442	* @brief Receiver Enable (Receiver is enabled and begins searching for a start bit)
		443	* @rmtoll CR1 RE LL_USART_EnableDirectionRx
		444	* @param USARTx USART Instance
		445	* @retval None
		446	*/
		447	__STATIC_INLINE void LL_USART_EnableDirectionRx(USART_TypeDef *USARTx)
		448	{
		449	SET_BIT(USARTx->CR1, USART_CR1_RE);
		450	}
		451
		452	/**
		453	* @brief Receiver Disable
		454	* @rmtoll CR1 RE LL_USART_DisableDirectionRx
		455	* @param USARTx USART Instance
		456	* @retval None
		457	*/
		458	__STATIC_INLINE void LL_USART_DisableDirectionRx(USART_TypeDef *USARTx)
		459	{
		460	CLEAR_BIT(USARTx->CR1, USART_CR1_RE);
		461	}
		462
		463	/**
		464	* @brief Transmitter Enable
		465	* @rmtoll CR1 TE LL_USART_EnableDirectionTx
		466	* @param USARTx USART Instance
		467	* @retval None
		468	*/
		469	__STATIC_INLINE void LL_USART_EnableDirectionTx(USART_TypeDef *USARTx)
		470	{
		471	SET_BIT(USARTx->CR1, USART_CR1_TE);
		472	}
		473
		474	/**
		475	* @brief Transmitter Disable
		476	* @rmtoll CR1 TE LL_USART_DisableDirectionTx
		477	* @param USARTx USART Instance
		478	* @retval None
		479	*/
		480	__STATIC_INLINE void LL_USART_DisableDirectionTx(USART_TypeDef *USARTx)
		481	{
		482	CLEAR_BIT(USARTx->CR1, USART_CR1_TE);
		483	}
		484
		485	/**
		486	* @brief Configure simultaneously enabled/disabled states
		487	* of Transmitter and Receiver
		488	* @rmtoll CR1 RE LL_USART_SetTransferDirection\n
		489	* CR1 TE LL_USART_SetTransferDirection
		490	* @param USARTx USART Instance
		491	* @param TransferDirection This parameter can be one of the following values:
		492	* @arg @ref LL_USART_DIRECTION_NONE
		493	* @arg @ref LL_USART_DIRECTION_RX
		494	* @arg @ref LL_USART_DIRECTION_TX
		495	* @arg @ref LL_USART_DIRECTION_TX_RX
		496	* @retval None
		497	*/
		498	__STATIC_INLINE void LL_USART_SetTransferDirection(USART_TypeDef *USARTx, uint32_t TransferDirection)
		499	{
		500	MODIFY_REG(USARTx->CR1, USART_CR1_RE \| USART_CR1_TE, TransferDirection);
		501	}
		502
		503	/**
		504	* @brief Return enabled/disabled states of Transmitter and Receiver
		505	* @rmtoll CR1 RE LL_USART_GetTransferDirection\n
		506	* CR1 TE LL_USART_GetTransferDirection
		507	* @param USARTx USART Instance
		508	* @retval Returned value can be one of the following values:
		509	* @arg @ref LL_USART_DIRECTION_NONE
		510	* @arg @ref LL_USART_DIRECTION_RX
		511	* @arg @ref LL_USART_DIRECTION_TX
		512	* @arg @ref LL_USART_DIRECTION_TX_RX
		513	*/
		514	__STATIC_INLINE uint32_t LL_USART_GetTransferDirection(USART_TypeDef *USARTx)
		515	{
		516	return (uint32_t)(READ_BIT(USARTx->CR1, USART_CR1_RE \| USART_CR1_TE));
		517	}
		518
		519	/**
		520	* @brief Configure Parity (enabled/disabled and parity mode if enabled).
		521	* @note This function selects if hardware parity control (generation and detection) is enabled or disabled.
		522	* When the parity control is enabled (Odd or Even), computed parity bit is inserted at the MSB position
		523	* (9th or 8th bit depending on data width) and parity is checked on the received data.
		524	* @rmtoll CR1 PS LL_USART_SetParity\n
		525	* CR1 PCE LL_USART_SetParity
		526	* @param USARTx USART Instance
		527	* @param Parity This parameter can be one of the following values:
		528	* @arg @ref LL_USART_PARITY_NONE
		529	* @arg @ref LL_USART_PARITY_EVEN
		530	* @arg @ref LL_USART_PARITY_ODD
		531	* @retval None
		532	*/
		533	__STATIC_INLINE void LL_USART_SetParity(USART_TypeDef *USARTx, uint32_t Parity)
		534	{
		535	MODIFY_REG(USARTx->CR1, USART_CR1_PS \| USART_CR1_PCE, Parity);
		536	}
		537
		538	/**
		539	* @brief Return Parity configuration (enabled/disabled and parity mode if enabled)
		540	* @rmtoll CR1 PS LL_USART_GetParity\n
		541	* CR1 PCE LL_USART_GetParity
		542	* @param USARTx USART Instance
		543	* @retval Returned value can be one of the following values:
		544	* @arg @ref LL_USART_PARITY_NONE
		545	* @arg @ref LL_USART_PARITY_EVEN
		546	* @arg @ref LL_USART_PARITY_ODD
		547	*/
		548	__STATIC_INLINE uint32_t LL_USART_GetParity(USART_TypeDef *USARTx)
		549	{
		550	return (uint32_t)(READ_BIT(USARTx->CR1, USART_CR1_PS \| USART_CR1_PCE));
		551	}
		552
		553	/**
		554	* @brief Set Receiver Wake Up method from Mute mode.
		555	* @rmtoll CR1 WAKE LL_USART_SetWakeUpMethod
		556	* @param USARTx USART Instance
		557	* @param Method This parameter can be one of the following values:
		558	* @arg @ref LL_USART_WAKEUP_IDLELINE
		559	* @arg @ref LL_USART_WAKEUP_ADDRESSMARK
		560	* @retval None
		561	*/
		562	__STATIC_INLINE void LL_USART_SetWakeUpMethod(USART_TypeDef *USARTx, uint32_t Method)
		563	{
		564	MODIFY_REG(USARTx->CR1, USART_CR1_WAKE, Method);
		565	}
		566
		567	/**
		568	* @brief Return Receiver Wake Up method from Mute mode
		569	* @rmtoll CR1 WAKE LL_USART_GetWakeUpMethod
		570	* @param USARTx USART Instance
		571	* @retval Returned value can be one of the following values:
		572	* @arg @ref LL_USART_WAKEUP_IDLELINE
		573	* @arg @ref LL_USART_WAKEUP_ADDRESSMARK
		574	*/
		575	__STATIC_INLINE uint32_t LL_USART_GetWakeUpMethod(USART_TypeDef *USARTx)
		576	{
		577	return (uint32_t)(READ_BIT(USARTx->CR1, USART_CR1_WAKE));
		578	}
		579
		580	/**
		581	* @brief Set Word length (i.e. nb of data bits, excluding start and stop bits)
		582	* @rmtoll CR1 M LL_USART_SetDataWidth
		583	* @param USARTx USART Instance
		584	* @param DataWidth This parameter can be one of the following values:
		585	* @arg @ref LL_USART_DATAWIDTH_8B
		586	* @arg @ref LL_USART_DATAWIDTH_9B
		587	* @retval None
		588	*/
		589	__STATIC_INLINE void LL_USART_SetDataWidth(USART_TypeDef *USARTx, uint32_t DataWidth)
		590	{
		591	MODIFY_REG(USARTx->CR1, USART_CR1_M, DataWidth);
		592	}
		593
		594	/**
		595	* @brief Return Word length (i.e. nb of data bits, excluding start and stop bits)
		596	* @rmtoll CR1 M LL_USART_GetDataWidth
		597	* @param USARTx USART Instance
		598	* @retval Returned value can be one of the following values:
		599	* @arg @ref LL_USART_DATAWIDTH_8B
		600	* @arg @ref LL_USART_DATAWIDTH_9B
		601	*/
		602	__STATIC_INLINE uint32_t LL_USART_GetDataWidth(USART_TypeDef *USARTx)
		603	{
		604	return (uint32_t)(READ_BIT(USARTx->CR1, USART_CR1_M));
		605	}
		606
		607	#if defined(USART_CR1_OVER8)
		608	/**
		609	* @brief Set Oversampling to 8-bit or 16-bit mode
		610	* @rmtoll CR1 OVER8 LL_USART_SetOverSampling
		611	* @param USARTx USART Instance
		612	* @param OverSampling This parameter can be one of the following values:
		613	* @arg @ref LL_USART_OVERSAMPLING_16
		614	* @arg @ref LL_USART_OVERSAMPLING_8
		615	* @retval None
		616	*/
		617	__STATIC_INLINE void LL_USART_SetOverSampling(USART_TypeDef *USARTx, uint32_t OverSampling)
		618	{
		619	MODIFY_REG(USARTx->CR1, USART_CR1_OVER8, OverSampling);
		620	}
		621
		622	/**
		623	* @brief Return Oversampling mode
		624	* @rmtoll CR1 OVER8 LL_USART_GetOverSampling
		625	* @param USARTx USART Instance
		626	* @retval Returned value can be one of the following values:
		627	* @arg @ref LL_USART_OVERSAMPLING_16
		628	* @arg @ref LL_USART_OVERSAMPLING_8
		629	*/
		630	__STATIC_INLINE uint32_t LL_USART_GetOverSampling(USART_TypeDef *USARTx)
		631	{
		632	return (uint32_t)(READ_BIT(USARTx->CR1, USART_CR1_OVER8));
		633	}
		634
		635	#endif /* USART_OverSampling_Feature */
		636	/**
		637	* @brief Configure if Clock pulse of the last data bit is output to the SCLK pin or not
		638	* @note Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not
		639	* Synchronous mode is supported by the USARTx instance.
		640	* @rmtoll CR2 LBCL LL_USART_SetLastClkPulseOutput
		641	* @param USARTx USART Instance
		642	* @param LastBitClockPulse This parameter can be one of the following values:
		643	* @arg @ref LL_USART_LASTCLKPULSE_NO_OUTPUT
		644	* @arg @ref LL_USART_LASTCLKPULSE_OUTPUT
		645	* @retval None
		646	*/
		647	__STATIC_INLINE void LL_USART_SetLastClkPulseOutput(USART_TypeDef *USARTx, uint32_t LastBitClockPulse)
		648	{
		649	MODIFY_REG(USARTx->CR2, USART_CR2_LBCL, LastBitClockPulse);
		650	}
		651
		652	/**
		653	* @brief Retrieve Clock pulse of the last data bit output configuration
		654	* (Last bit Clock pulse output to the SCLK pin or not)
		655	* @note Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not
		656	* Synchronous mode is supported by the USARTx instance.
		657	* @rmtoll CR2 LBCL LL_USART_GetLastClkPulseOutput
		658	* @param USARTx USART Instance
		659	* @retval Returned value can be one of the following values:
		660	* @arg @ref LL_USART_LASTCLKPULSE_NO_OUTPUT
		661	* @arg @ref LL_USART_LASTCLKPULSE_OUTPUT
		662	*/
		663	__STATIC_INLINE uint32_t LL_USART_GetLastClkPulseOutput(USART_TypeDef *USARTx)
		664	{
		665	return (uint32_t)(READ_BIT(USARTx->CR2, USART_CR2_LBCL));
		666	}
		667
		668	/**
		669	* @brief Select the phase of the clock output on the SCLK pin in synchronous mode
		670	* @note Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not
		671	* Synchronous mode is supported by the USARTx instance.
		672	* @rmtoll CR2 CPHA LL_USART_SetClockPhase
		673	* @param USARTx USART Instance
		674	* @param ClockPhase This parameter can be one of the following values:
		675	* @arg @ref LL_USART_PHASE_1EDGE
		676	* @arg @ref LL_USART_PHASE_2EDGE
		677	* @retval None
		678	*/
		679	__STATIC_INLINE void LL_USART_SetClockPhase(USART_TypeDef *USARTx, uint32_t ClockPhase)
		680	{
		681	MODIFY_REG(USARTx->CR2, USART_CR2_CPHA, ClockPhase);
		682	}
		683
		684	/**
		685	* @brief Return phase of the clock output on the SCLK pin in synchronous mode
		686	* @note Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not
		687	* Synchronous mode is supported by the USARTx instance.
		688	* @rmtoll CR2 CPHA LL_USART_GetClockPhase
		689	* @param USARTx USART Instance
		690	* @retval Returned value can be one of the following values:
		691	* @arg @ref LL_USART_PHASE_1EDGE
		692	* @arg @ref LL_USART_PHASE_2EDGE
		693	*/
		694	__STATIC_INLINE uint32_t LL_USART_GetClockPhase(USART_TypeDef *USARTx)
		695	{
		696	return (uint32_t)(READ_BIT(USARTx->CR2, USART_CR2_CPHA));
		697	}
		698
		699	/**
		700	* @brief Select the polarity of the clock output on the SCLK pin in synchronous mode
		701	* @note Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not
		702	* Synchronous mode is supported by the USARTx instance.
		703	* @rmtoll CR2 CPOL LL_USART_SetClockPolarity
		704	* @param USARTx USART Instance
		705	* @param ClockPolarity This parameter can be one of the following values:
		706	* @arg @ref LL_USART_POLARITY_LOW
		707	* @arg @ref LL_USART_POLARITY_HIGH
		708	* @retval None
		709	*/
		710	__STATIC_INLINE void LL_USART_SetClockPolarity(USART_TypeDef *USARTx, uint32_t ClockPolarity)
		711	{
		712	MODIFY_REG(USARTx->CR2, USART_CR2_CPOL, ClockPolarity);
		713	}
		714
		715	/**
		716	* @brief Return polarity of the clock output on the SCLK pin in synchronous mode
		717	* @note Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not
		718	* Synchronous mode is supported by the USARTx instance.
		719	* @rmtoll CR2 CPOL LL_USART_GetClockPolarity
		720	* @param USARTx USART Instance
		721	* @retval Returned value can be one of the following values:
		722	* @arg @ref LL_USART_POLARITY_LOW
		723	* @arg @ref LL_USART_POLARITY_HIGH
		724	*/
		725	__STATIC_INLINE uint32_t LL_USART_GetClockPolarity(USART_TypeDef *USARTx)
		726	{
		727	return (uint32_t)(READ_BIT(USARTx->CR2, USART_CR2_CPOL));
		728	}
		729
		730	/**
		731	* @brief Configure Clock signal format (Phase Polarity and choice about output of last bit clock pulse)
		732	* @note Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not
		733	* Synchronous mode is supported by the USARTx instance.
		734	* @note Call of this function is equivalent to following function call sequence :
		735	* - Clock Phase configuration using @ref LL_USART_SetClockPhase() function
		736	* - Clock Polarity configuration using @ref LL_USART_SetClockPolarity() function
		737	* - Output of Last bit Clock pulse configuration using @ref LL_USART_SetLastClkPulseOutput() function
		738	* @rmtoll CR2 CPHA LL_USART_ConfigClock\n
		739	* CR2 CPOL LL_USART_ConfigClock\n
		740	* CR2 LBCL LL_USART_ConfigClock
		741	* @param USARTx USART Instance
		742	* @param Phase This parameter can be one of the following values:
		743	* @arg @ref LL_USART_PHASE_1EDGE
		744	* @arg @ref LL_USART_PHASE_2EDGE
		745	* @param Polarity This parameter can be one of the following values:
		746	* @arg @ref LL_USART_POLARITY_LOW
		747	* @arg @ref LL_USART_POLARITY_HIGH
		748	* @param LBCPOutput This parameter can be one of the following values:
		749	* @arg @ref LL_USART_LASTCLKPULSE_NO_OUTPUT
		750	* @arg @ref LL_USART_LASTCLKPULSE_OUTPUT
		751	* @retval None
		752	*/
		753	__STATIC_INLINE void LL_USART_ConfigClock(USART_TypeDef *USARTx, uint32_t Phase, uint32_t Polarity, uint32_t LBCPOutput)
		754	{
		755	MODIFY_REG(USARTx->CR2, USART_CR2_CPHA \| USART_CR2_CPOL \| USART_CR2_LBCL, Phase \| Polarity \| LBCPOutput);
		756	}
		757
		758	/**
		759	* @brief Enable Clock output on SCLK pin
		760	* @note Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not
		761	* Synchronous mode is supported by the USARTx instance.
		762	* @rmtoll CR2 CLKEN LL_USART_EnableSCLKOutput
		763	* @param USARTx USART Instance
		764	* @retval None
		765	*/
		766	__STATIC_INLINE void LL_USART_EnableSCLKOutput(USART_TypeDef *USARTx)
		767	{
		768	SET_BIT(USARTx->CR2, USART_CR2_CLKEN);
		769	}
		770
		771	/**
		772	* @brief Disable Clock output on SCLK pin
		773	* @note Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not
		774	* Synchronous mode is supported by the USARTx instance.
		775	* @rmtoll CR2 CLKEN LL_USART_DisableSCLKOutput
		776	* @param USARTx USART Instance
		777	* @retval None
		778	*/
		779	__STATIC_INLINE void LL_USART_DisableSCLKOutput(USART_TypeDef *USARTx)
		780	{
		781	CLEAR_BIT(USARTx->CR2, USART_CR2_CLKEN);
		782	}
		783
		784	/**
		785	* @brief Indicate if Clock output on SCLK pin is enabled
		786	* @note Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not
		787	* Synchronous mode is supported by the USARTx instance.
		788	* @rmtoll CR2 CLKEN LL_USART_IsEnabledSCLKOutput
		789	* @param USARTx USART Instance
		790	* @retval State of bit (1 or 0).
		791	*/
		792	__STATIC_INLINE uint32_t LL_USART_IsEnabledSCLKOutput(USART_TypeDef *USARTx)
		793	{
		794	return (READ_BIT(USARTx->CR2, USART_CR2_CLKEN) == (USART_CR2_CLKEN));
		795	}
		796
		797	/**
		798	* @brief Set the length of the stop bits
		799	* @rmtoll CR2 STOP LL_USART_SetStopBitsLength
		800	* @param USARTx USART Instance
		801	* @param StopBits This parameter can be one of the following values:
		802	* @arg @ref LL_USART_STOPBITS_0_5
		803	* @arg @ref LL_USART_STOPBITS_1
		804	* @arg @ref LL_USART_STOPBITS_1_5
		805	* @arg @ref LL_USART_STOPBITS_2
		806	* @retval None
		807	*/
		808	__STATIC_INLINE void LL_USART_SetStopBitsLength(USART_TypeDef *USARTx, uint32_t StopBits)
		809	{
		810	MODIFY_REG(USARTx->CR2, USART_CR2_STOP, StopBits);
		811	}
		812
		813	/**
		814	* @brief Retrieve the length of the stop bits
		815	* @rmtoll CR2 STOP LL_USART_GetStopBitsLength
		816	* @param USARTx USART Instance
		817	* @retval Returned value can be one of the following values:
		818	* @arg @ref LL_USART_STOPBITS_0_5
		819	* @arg @ref LL_USART_STOPBITS_1
		820	* @arg @ref LL_USART_STOPBITS_1_5
		821	* @arg @ref LL_USART_STOPBITS_2
		822	*/
		823	__STATIC_INLINE uint32_t LL_USART_GetStopBitsLength(USART_TypeDef *USARTx)
		824	{
		825	return (uint32_t)(READ_BIT(USARTx->CR2, USART_CR2_STOP));
		826	}
		827
		828	/**
		829	* @brief Configure Character frame format (Datawidth, Parity control, Stop Bits)
		830	* @note Call of this function is equivalent to following function call sequence :
		831	* - Data Width configuration using @ref LL_USART_SetDataWidth() function
		832	* - Parity Control and mode configuration using @ref LL_USART_SetParity() function
		833	* - Stop bits configuration using @ref LL_USART_SetStopBitsLength() function
		834	* @rmtoll CR1 PS LL_USART_ConfigCharacter\n
		835	* CR1 PCE LL_USART_ConfigCharacter\n
		836	* CR1 M LL_USART_ConfigCharacter\n
		837	* CR2 STOP LL_USART_ConfigCharacter
		838	* @param USARTx USART Instance
		839	* @param DataWidth This parameter can be one of the following values:
		840	* @arg @ref LL_USART_DATAWIDTH_8B
		841	* @arg @ref LL_USART_DATAWIDTH_9B
		842	* @param Parity This parameter can be one of the following values:
		843	* @arg @ref LL_USART_PARITY_NONE
		844	* @arg @ref LL_USART_PARITY_EVEN
		845	* @arg @ref LL_USART_PARITY_ODD
		846	* @param StopBits This parameter can be one of the following values:
		847	* @arg @ref LL_USART_STOPBITS_0_5
		848	* @arg @ref LL_USART_STOPBITS_1
		849	* @arg @ref LL_USART_STOPBITS_1_5
		850	* @arg @ref LL_USART_STOPBITS_2
		851	* @retval None
		852	*/
		853	__STATIC_INLINE void LL_USART_ConfigCharacter(USART_TypeDef *USARTx, uint32_t DataWidth, uint32_t Parity,
		854	uint32_t StopBits)
		855	{
		856	MODIFY_REG(USARTx->CR1, USART_CR1_PS \| USART_CR1_PCE \| USART_CR1_M, Parity \| DataWidth);
		857	MODIFY_REG(USARTx->CR2, USART_CR2_STOP, StopBits);
		858	}
		859
		860	/**
		861	* @brief Set Address of the USART node.
		862	* @note This is used in multiprocessor communication during Mute mode or Stop mode,
		863	* for wake up with address mark detection.
		864	* @rmtoll CR2 ADD LL_USART_SetNodeAddress
		865	* @param USARTx USART Instance
		866	* @param NodeAddress 4 bit Address of the USART node.
		867	* @retval None
		868	*/
		869	__STATIC_INLINE void LL_USART_SetNodeAddress(USART_TypeDef *USARTx, uint32_t NodeAddress)
		870	{
		871	MODIFY_REG(USARTx->CR2, USART_CR2_ADD, (NodeAddress & USART_CR2_ADD));
		872	}
		873
		874	/**
		875	* @brief Return 4 bit Address of the USART node as set in ADD field of CR2.
		876	* @note only 4bits (b3-b0) of returned value are relevant (b31-b4 are not relevant)
		877	* @rmtoll CR2 ADD LL_USART_GetNodeAddress
		878	* @param USARTx USART Instance
		879	* @retval Address of the USART node (Value between Min_Data=0 and Max_Data=255)
		880	*/
		881	__STATIC_INLINE uint32_t LL_USART_GetNodeAddress(USART_TypeDef *USARTx)
		882	{
		883	return (uint32_t)(READ_BIT(USARTx->CR2, USART_CR2_ADD));
		884	}
		885
		886	/**
		887	* @brief Enable RTS HW Flow Control
		888	* @note Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not
		889	* Hardware Flow control feature is supported by the USARTx instance.
		890	* @rmtoll CR3 RTSE LL_USART_EnableRTSHWFlowCtrl
		891	* @param USARTx USART Instance
		892	* @retval None
		893	*/
		894	__STATIC_INLINE void LL_USART_EnableRTSHWFlowCtrl(USART_TypeDef *USARTx)
		895	{
		896	SET_BIT(USARTx->CR3, USART_CR3_RTSE);
		897	}
		898
		899	/**
		900	* @brief Disable RTS HW Flow Control
		901	* @note Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not
		902	* Hardware Flow control feature is supported by the USARTx instance.
		903	* @rmtoll CR3 RTSE LL_USART_DisableRTSHWFlowCtrl
		904	* @param USARTx USART Instance
		905	* @retval None
		906	*/
		907	__STATIC_INLINE void LL_USART_DisableRTSHWFlowCtrl(USART_TypeDef *USARTx)
		908	{
		909	CLEAR_BIT(USARTx->CR3, USART_CR3_RTSE);
		910	}
		911
		912	/**
		913	* @brief Enable CTS HW Flow Control
		914	* @note Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not
		915	* Hardware Flow control feature is supported by the USARTx instance.
		916	* @rmtoll CR3 CTSE LL_USART_EnableCTSHWFlowCtrl
		917	* @param USARTx USART Instance
		918	* @retval None
		919	*/
		920	__STATIC_INLINE void LL_USART_EnableCTSHWFlowCtrl(USART_TypeDef *USARTx)
		921	{
		922	SET_BIT(USARTx->CR3, USART_CR3_CTSE);
		923	}
		924
		925	/**
		926	* @brief Disable CTS HW Flow Control
		927	* @note Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not
		928	* Hardware Flow control feature is supported by the USARTx instance.
		929	* @rmtoll CR3 CTSE LL_USART_DisableCTSHWFlowCtrl
		930	* @param USARTx USART Instance
		931	* @retval None
		932	*/
		933	__STATIC_INLINE void LL_USART_DisableCTSHWFlowCtrl(USART_TypeDef *USARTx)
		934	{
		935	CLEAR_BIT(USARTx->CR3, USART_CR3_CTSE);
		936	}
		937
		938	/**
		939	* @brief Configure HW Flow Control mode (both CTS and RTS)
		940	* @note Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not
		941	* Hardware Flow control feature is supported by the USARTx instance.
		942	* @rmtoll CR3 RTSE LL_USART_SetHWFlowCtrl\n
		943	* CR3 CTSE LL_USART_SetHWFlowCtrl
		944	* @param USARTx USART Instance
		945	* @param HardwareFlowControl This parameter can be one of the following values:
		946	* @arg @ref LL_USART_HWCONTROL_NONE
		947	* @arg @ref LL_USART_HWCONTROL_RTS
		948	* @arg @ref LL_USART_HWCONTROL_CTS
		949	* @arg @ref LL_USART_HWCONTROL_RTS_CTS
		950	* @retval None
		951	*/
		952	__STATIC_INLINE void LL_USART_SetHWFlowCtrl(USART_TypeDef *USARTx, uint32_t HardwareFlowControl)
		953	{
		954	MODIFY_REG(USARTx->CR3, USART_CR3_RTSE \| USART_CR3_CTSE, HardwareFlowControl);
		955	}
		956
		957	/**
		958	* @brief Return HW Flow Control configuration (both CTS and RTS)
		959	* @note Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not
		960	* Hardware Flow control feature is supported by the USARTx instance.
		961	* @rmtoll CR3 RTSE LL_USART_GetHWFlowCtrl\n
		962	* CR3 CTSE LL_USART_GetHWFlowCtrl
		963	* @param USARTx USART Instance
		964	* @retval Returned value can be one of the following values:
		965	* @arg @ref LL_USART_HWCONTROL_NONE
		966	* @arg @ref LL_USART_HWCONTROL_RTS
		967	* @arg @ref LL_USART_HWCONTROL_CTS
		968	* @arg @ref LL_USART_HWCONTROL_RTS_CTS
		969	*/
		970	__STATIC_INLINE uint32_t LL_USART_GetHWFlowCtrl(USART_TypeDef *USARTx)
		971	{
		972	return (uint32_t)(READ_BIT(USARTx->CR3, USART_CR3_RTSE \| USART_CR3_CTSE));
		973	}
		974
		975	#if defined(USART_CR3_ONEBIT)
		976	/**
		977	* @brief Enable One bit sampling method
		978	* @rmtoll CR3 ONEBIT LL_USART_EnableOneBitSamp
		979	* @param USARTx USART Instance
		980	* @retval None
		981	*/
		982	__STATIC_INLINE void LL_USART_EnableOneBitSamp(USART_TypeDef *USARTx)
		983	{
		984	SET_BIT(USARTx->CR3, USART_CR3_ONEBIT);
		985	}
		986
		987	/**
		988	* @brief Disable One bit sampling method
		989	* @rmtoll CR3 ONEBIT LL_USART_DisableOneBitSamp
		990	* @param USARTx USART Instance
		991	* @retval None
		992	*/
		993	__STATIC_INLINE void LL_USART_DisableOneBitSamp(USART_TypeDef *USARTx)
		994	{
		995	CLEAR_BIT(USARTx->CR3, USART_CR3_ONEBIT);
		996	}
		997
		998	/**
		999	* @brief Indicate if One bit sampling method is enabled
		1000	* @rmtoll CR3 ONEBIT LL_USART_IsEnabledOneBitSamp
		1001	* @param USARTx USART Instance
		1002	* @retval State of bit (1 or 0).
		1003	*/
		1004	__STATIC_INLINE uint32_t LL_USART_IsEnabledOneBitSamp(USART_TypeDef *USARTx)
		1005	{
		1006	return (READ_BIT(USARTx->CR3, USART_CR3_ONEBIT) == (USART_CR3_ONEBIT));
		1007	}
		1008	#endif /* USART_OneBitSampling_Feature */
		1009
		1010	#if defined(USART_CR1_OVER8)
		1011	/**
		1012	* @brief Configure USART BRR register for achieving expected Baud Rate value.
		1013	* @note Compute and set USARTDIV value in BRR Register (full BRR content)
		1014	* according to used Peripheral Clock, Oversampling mode, and expected Baud Rate values
		1015	* @note Peripheral clock and Baud rate values provided as function parameters should be valid
		1016	* (Baud rate value != 0)
		1017	* @rmtoll BRR BRR LL_USART_SetBaudRate
		1018	* @param USARTx USART Instance
		1019	* @param PeriphClk Peripheral Clock
		1020	* @param OverSampling This parameter can be one of the following values:
		1021	* @arg @ref LL_USART_OVERSAMPLING_16
		1022	* @arg @ref LL_USART_OVERSAMPLING_8
		1023	* @param BaudRate Baud Rate
		1024	* @retval None
		1025	*/
		1026	__STATIC_INLINE void LL_USART_SetBaudRate(USART_TypeDef *USARTx, uint32_t PeriphClk, uint32_t OverSampling,
		1027	uint32_t BaudRate)
		1028	{
		1029	if (OverSampling == LL_USART_OVERSAMPLING_8)
		1030	{
		1031	USARTx->BRR = (uint16_t)(__LL_USART_DIV_SAMPLING8(PeriphClk, BaudRate));
		1032	}
		1033	else
		1034	{
		1035	USARTx->BRR = (uint16_t)(__LL_USART_DIV_SAMPLING16(PeriphClk, BaudRate));
		1036	}
		1037	}
		1038
		1039	/**
		1040	* @brief Return current Baud Rate value, according to USARTDIV present in BRR register
		1041	* (full BRR content), and to used Peripheral Clock and Oversampling mode values
		1042	* @note In case of non-initialized or invalid value stored in BRR register, value 0 will be returned.
		1043	* @rmtoll BRR BRR LL_USART_GetBaudRate
		1044	* @param USARTx USART Instance
		1045	* @param PeriphClk Peripheral Clock
		1046	* @param OverSampling This parameter can be one of the following values:
		1047	* @arg @ref LL_USART_OVERSAMPLING_16
		1048	* @arg @ref LL_USART_OVERSAMPLING_8
		1049	* @retval Baud Rate
		1050	*/
		1051	__STATIC_INLINE uint32_t LL_USART_GetBaudRate(USART_TypeDef *USARTx, uint32_t PeriphClk, uint32_t OverSampling)
		1052	{
9	mjames	1053	uint32_t usartdiv = 0x0U;
		1054	uint32_t brrresult = 0x0U;
2	mjames	1055
		1056	usartdiv = USARTx->BRR;
		1057
		1058	if (OverSampling == LL_USART_OVERSAMPLING_8)
		1059	{
		1060	if ((usartdiv & 0xFFF7U) != 0U)
		1061	{
		1062	usartdiv = (uint16_t)((usartdiv & 0xFFF0U) \| ((usartdiv & 0x0007U) << 1U)) ;
		1063	brrresult = (PeriphClk * 2U) / usartdiv;
		1064	}
		1065	}
		1066	else
		1067	{
		1068	if ((usartdiv & 0xFFFFU) != 0U)
		1069	{
		1070	brrresult = PeriphClk / usartdiv;
		1071	}
		1072	}
		1073	return (brrresult);
		1074	}
		1075	#else
		1076	/**
		1077	* @brief Configure USART BRR register for achieving expected Baud Rate value.
		1078	* @note Compute and set USARTDIV value in BRR Register (full BRR content)
		1079	* according to used Peripheral Clock, Oversampling mode, and expected Baud Rate values
		1080	* @note Peripheral clock and Baud rate values provided as function parameters should be valid
		1081	* (Baud rate value != 0)
		1082	* @rmtoll BRR BRR LL_USART_SetBaudRate
		1083	* @param USARTx USART Instance
		1084	* @param PeriphClk Peripheral Clock
		1085	* @param BaudRate Baud Rate
		1086	* @retval None
		1087	*/
		1088	__STATIC_INLINE void LL_USART_SetBaudRate(USART_TypeDef *USARTx, uint32_t PeriphClk, uint32_t BaudRate)
		1089	{
9	mjames	1090	USARTx->BRR = (uint16_t)(__LL_USART_DIV_SAMPLING16(PeriphClk, BaudRate));
2	mjames	1091	}
		1092
		1093	/**
		1094	* @brief Return current Baud Rate value, according to USARTDIV present in BRR register
		1095	* (full BRR content), and to used Peripheral Clock and Oversampling mode values
		1096	* @note In case of non-initialized or invalid value stored in BRR register, value 0 will be returned.
		1097	* @rmtoll BRR BRR LL_USART_GetBaudRate
		1098	* @param USARTx USART Instance
		1099	* @param PeriphClk Peripheral Clock
		1100	* @retval Baud Rate
		1101	*/
		1102	__STATIC_INLINE uint32_t LL_USART_GetBaudRate(USART_TypeDef *USARTx, uint32_t PeriphClk)
		1103	{
9	mjames	1104	uint32_t usartdiv = 0x0U;
		1105	uint32_t brrresult = 0x0U;
2	mjames	1106
		1107	usartdiv = USARTx->BRR;
		1108
		1109	if ((usartdiv & 0xFFFFU) != 0U)
		1110	{
		1111	brrresult = PeriphClk / usartdiv;
		1112	}
		1113	return (brrresult);
		1114	}
		1115	#endif /* USART_OverSampling_Feature */
		1116
		1117	/**
		1118	* @}
		1119	*/
		1120
		1121	/** @defgroup USART_LL_EF_Configuration_IRDA Configuration functions related to Irda feature
		1122	* @{
		1123	*/
		1124
		1125	/**
		1126	* @brief Enable IrDA mode
		1127	* @note Macro @ref IS_IRDA_INSTANCE(USARTx) can be used to check whether or not
		1128	* IrDA feature is supported by the USARTx instance.
		1129	* @rmtoll CR3 IREN LL_USART_EnableIrda
		1130	* @param USARTx USART Instance
		1131	* @retval None
		1132	*/
		1133	__STATIC_INLINE void LL_USART_EnableIrda(USART_TypeDef *USARTx)
		1134	{
		1135	SET_BIT(USARTx->CR3, USART_CR3_IREN);
		1136	}
		1137
		1138	/**
		1139	* @brief Disable IrDA mode
		1140	* @note Macro @ref IS_IRDA_INSTANCE(USARTx) can be used to check whether or not
		1141	* IrDA feature is supported by the USARTx instance.
		1142	* @rmtoll CR3 IREN LL_USART_DisableIrda
		1143	* @param USARTx USART Instance
		1144	* @retval None
		1145	*/
		1146	__STATIC_INLINE void LL_USART_DisableIrda(USART_TypeDef *USARTx)
		1147	{
		1148	CLEAR_BIT(USARTx->CR3, USART_CR3_IREN);
		1149	}
		1150
		1151	/**
		1152	* @brief Indicate if IrDA mode is enabled
		1153	* @note Macro @ref IS_IRDA_INSTANCE(USARTx) can be used to check whether or not
		1154	* IrDA feature is supported by the USARTx instance.
		1155	* @rmtoll CR3 IREN LL_USART_IsEnabledIrda
		1156	* @param USARTx USART Instance
		1157	* @retval State of bit (1 or 0).
		1158	*/
		1159	__STATIC_INLINE uint32_t LL_USART_IsEnabledIrda(USART_TypeDef *USARTx)
		1160	{
		1161	return (READ_BIT(USARTx->CR3, USART_CR3_IREN) == (USART_CR3_IREN));
		1162	}
		1163
		1164	/**
		1165	* @brief Configure IrDA Power Mode (Normal or Low Power)
		1166	* @note Macro @ref IS_IRDA_INSTANCE(USARTx) can be used to check whether or not
		1167	* IrDA feature is supported by the USARTx instance.
		1168	* @rmtoll CR3 IRLP LL_USART_SetIrdaPowerMode
		1169	* @param USARTx USART Instance
		1170	* @param PowerMode This parameter can be one of the following values:
		1171	* @arg @ref LL_USART_IRDA_POWER_NORMAL
		1172	* @arg @ref LL_USART_IRDA_POWER_LOW
		1173	* @retval None
		1174	*/
		1175	__STATIC_INLINE void LL_USART_SetIrdaPowerMode(USART_TypeDef *USARTx, uint32_t PowerMode)
		1176	{
		1177	MODIFY_REG(USARTx->CR3, USART_CR3_IRLP, PowerMode);
		1178	}
		1179
		1180	/**
		1181	* @brief Retrieve IrDA Power Mode configuration (Normal or Low Power)
		1182	* @note Macro @ref IS_IRDA_INSTANCE(USARTx) can be used to check whether or not
		1183	* IrDA feature is supported by the USARTx instance.
		1184	* @rmtoll CR3 IRLP LL_USART_GetIrdaPowerMode
		1185	* @param USARTx USART Instance
		1186	* @retval Returned value can be one of the following values:
		1187	* @arg @ref LL_USART_IRDA_POWER_NORMAL
		1188	* @arg @ref LL_USART_PHASE_2EDGE
		1189	*/
		1190	__STATIC_INLINE uint32_t LL_USART_GetIrdaPowerMode(USART_TypeDef *USARTx)
		1191	{
		1192	return (uint32_t)(READ_BIT(USARTx->CR3, USART_CR3_IRLP));
		1193	}
		1194
		1195	/**
		1196	* @brief Set Irda prescaler value, used for dividing the USART clock source
		1197	* to achieve the Irda Low Power frequency (8 bits value)
		1198	* @note Macro @ref IS_IRDA_INSTANCE(USARTx) can be used to check whether or not
		1199	* IrDA feature is supported by the USARTx instance.
		1200	* @rmtoll GTPR PSC LL_USART_SetIrdaPrescaler
		1201	* @param USARTx USART Instance
		1202	* @param PrescalerValue Value between Min_Data=0x00 and Max_Data=0xFF
		1203	* @retval None
		1204	*/
		1205	__STATIC_INLINE void LL_USART_SetIrdaPrescaler(USART_TypeDef *USARTx, uint32_t PrescalerValue)
		1206	{
		1207	MODIFY_REG(USARTx->GTPR, USART_GTPR_PSC, PrescalerValue);
		1208	}
		1209
		1210	/**
		1211	* @brief Return Irda prescaler value, used for dividing the USART clock source
		1212	* to achieve the Irda Low Power frequency (8 bits value)
		1213	* @note Macro @ref IS_IRDA_INSTANCE(USARTx) can be used to check whether or not
		1214	* IrDA feature is supported by the USARTx instance.
		1215	* @rmtoll GTPR PSC LL_USART_GetIrdaPrescaler
		1216	* @param USARTx USART Instance
		1217	* @retval Irda prescaler value (Value between Min_Data=0x00 and Max_Data=0xFF)
		1218	*/
		1219	__STATIC_INLINE uint32_t LL_USART_GetIrdaPrescaler(USART_TypeDef *USARTx)
		1220	{
		1221	return (uint32_t)(READ_BIT(USARTx->GTPR, USART_GTPR_PSC));
		1222	}
		1223
		1224	/**
		1225	* @}
		1226	*/
		1227
		1228	/** @defgroup USART_LL_EF_Configuration_Smartcard Configuration functions related to Smartcard feature
		1229	* @{
		1230	*/
		1231
		1232	/**
		1233	* @brief Enable Smartcard NACK transmission
		1234	* @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not
		1235	* Smartcard feature is supported by the USARTx instance.
		1236	* @rmtoll CR3 NACK LL_USART_EnableSmartcardNACK
		1237	* @param USARTx USART Instance
		1238	* @retval None
		1239	*/
		1240	__STATIC_INLINE void LL_USART_EnableSmartcardNACK(USART_TypeDef *USARTx)
		1241	{
		1242	SET_BIT(USARTx->CR3, USART_CR3_NACK);
		1243	}
		1244
		1245	/**
		1246	* @brief Disable Smartcard NACK transmission
		1247	* @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not
		1248	* Smartcard feature is supported by the USARTx instance.
		1249	* @rmtoll CR3 NACK LL_USART_DisableSmartcardNACK
		1250	* @param USARTx USART Instance
		1251	* @retval None
		1252	*/
		1253	__STATIC_INLINE void LL_USART_DisableSmartcardNACK(USART_TypeDef *USARTx)
		1254	{
		1255	CLEAR_BIT(USARTx->CR3, USART_CR3_NACK);
		1256	}
		1257
		1258	/**
		1259	* @brief Indicate if Smartcard NACK transmission is enabled
		1260	* @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not
		1261	* Smartcard feature is supported by the USARTx instance.
		1262	* @rmtoll CR3 NACK LL_USART_IsEnabledSmartcardNACK
		1263	* @param USARTx USART Instance
		1264	* @retval State of bit (1 or 0).
		1265	*/
		1266	__STATIC_INLINE uint32_t LL_USART_IsEnabledSmartcardNACK(USART_TypeDef *USARTx)
		1267	{
		1268	return (READ_BIT(USARTx->CR3, USART_CR3_NACK) == (USART_CR3_NACK));
		1269	}
		1270
		1271	/**
		1272	* @brief Enable Smartcard mode
		1273	* @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not
		1274	* Smartcard feature is supported by the USARTx instance.
		1275	* @rmtoll CR3 SCEN LL_USART_EnableSmartcard
		1276	* @param USARTx USART Instance
		1277	* @retval None
		1278	*/
		1279	__STATIC_INLINE void LL_USART_EnableSmartcard(USART_TypeDef *USARTx)
		1280	{
		1281	SET_BIT(USARTx->CR3, USART_CR3_SCEN);
		1282	}
		1283
		1284	/**
		1285	* @brief Disable Smartcard mode
		1286	* @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not
		1287	* Smartcard feature is supported by the USARTx instance.
		1288	* @rmtoll CR3 SCEN LL_USART_DisableSmartcard
		1289	* @param USARTx USART Instance
		1290	* @retval None
		1291	*/
		1292	__STATIC_INLINE void LL_USART_DisableSmartcard(USART_TypeDef *USARTx)
		1293	{
		1294	CLEAR_BIT(USARTx->CR3, USART_CR3_SCEN);
		1295	}
		1296
		1297	/**
		1298	* @brief Indicate if Smartcard mode is enabled
		1299	* @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not
		1300	* Smartcard feature is supported by the USARTx instance.
		1301	* @rmtoll CR3 SCEN LL_USART_IsEnabledSmartcard
		1302	* @param USARTx USART Instance
		1303	* @retval State of bit (1 or 0).
		1304	*/
		1305	__STATIC_INLINE uint32_t LL_USART_IsEnabledSmartcard(USART_TypeDef *USARTx)
		1306	{
		1307	return (READ_BIT(USARTx->CR3, USART_CR3_SCEN) == (USART_CR3_SCEN));
		1308	}
		1309
		1310	/**
		1311	* @brief Set Smartcard prescaler value, used for dividing the USART clock
		1312	* source to provide the SMARTCARD Clock (5 bits value)
		1313	* @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not
		1314	* Smartcard feature is supported by the USARTx instance.
		1315	* @rmtoll GTPR PSC LL_USART_SetSmartcardPrescaler
		1316	* @param USARTx USART Instance
		1317	* @param PrescalerValue Value between Min_Data=0 and Max_Data=31
		1318	* @retval None
		1319	*/
		1320	__STATIC_INLINE void LL_USART_SetSmartcardPrescaler(USART_TypeDef *USARTx, uint32_t PrescalerValue)
		1321	{
		1322	MODIFY_REG(USARTx->GTPR, USART_GTPR_PSC, PrescalerValue);
		1323	}
		1324
		1325	/**
		1326	* @brief Return Smartcard prescaler value, used for dividing the USART clock
		1327	* source to provide the SMARTCARD Clock (5 bits value)
		1328	* @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not
		1329	* Smartcard feature is supported by the USARTx instance.
		1330	* @rmtoll GTPR PSC LL_USART_GetSmartcardPrescaler
		1331	* @param USARTx USART Instance
		1332	* @retval Smartcard prescaler value (Value between Min_Data=0 and Max_Data=31)
		1333	*/
		1334	__STATIC_INLINE uint32_t LL_USART_GetSmartcardPrescaler(USART_TypeDef *USARTx)
		1335	{
		1336	return (uint32_t)(READ_BIT(USARTx->GTPR, USART_GTPR_PSC));
		1337	}
		1338
		1339	/**
		1340	* @brief Set Smartcard Guard time value, expressed in nb of baud clocks periods
		1341	* (GT[7:0] bits : Guard time value)
		1342	* @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not
		1343	* Smartcard feature is supported by the USARTx instance.
		1344	* @rmtoll GTPR GT LL_USART_SetSmartcardGuardTime
		1345	* @param USARTx USART Instance
		1346	* @param GuardTime Value between Min_Data=0x00 and Max_Data=0xFF
		1347	* @retval None
		1348	*/
		1349	__STATIC_INLINE void LL_USART_SetSmartcardGuardTime(USART_TypeDef *USARTx, uint32_t GuardTime)
		1350	{
		1351	MODIFY_REG(USARTx->GTPR, USART_GTPR_GT, GuardTime << USART_POSITION_GTPR_GT);
		1352	}
		1353
		1354	/**
		1355	* @brief Return Smartcard Guard time value, expressed in nb of baud clocks periods
		1356	* (GT[7:0] bits : Guard time value)
		1357	* @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not
		1358	* Smartcard feature is supported by the USARTx instance.
		1359	* @rmtoll GTPR GT LL_USART_GetSmartcardGuardTime
		1360	* @param USARTx USART Instance
		1361	* @retval Smartcard Guard time value (Value between Min_Data=0x00 and Max_Data=0xFF)
		1362	*/
		1363	__STATIC_INLINE uint32_t LL_USART_GetSmartcardGuardTime(USART_TypeDef *USARTx)
		1364	{
		1365	return (uint32_t)(READ_BIT(USARTx->GTPR, USART_GTPR_GT) >> USART_POSITION_GTPR_GT);
		1366	}
		1367
		1368	/**
		1369	* @}
		1370	*/
		1371
		1372	/** @defgroup USART_LL_EF_Configuration_HalfDuplex Configuration functions related to Half Duplex feature
		1373	* @{
		1374	*/
		1375
		1376	/**
		1377	* @brief Enable Single Wire Half-Duplex mode
		1378	* @note Macro @ref IS_UART_HALFDUPLEX_INSTANCE(USARTx) can be used to check whether or not
		1379	* Half-Duplex mode is supported by the USARTx instance.
		1380	* @rmtoll CR3 HDSEL LL_USART_EnableHalfDuplex
		1381	* @param USARTx USART Instance
		1382	* @retval None
		1383	*/
		1384	__STATIC_INLINE void LL_USART_EnableHalfDuplex(USART_TypeDef *USARTx)
		1385	{
		1386	SET_BIT(USARTx->CR3, USART_CR3_HDSEL);
		1387	}
		1388
		1389	/**
		1390	* @brief Disable Single Wire Half-Duplex mode
		1391	* @note Macro @ref IS_UART_HALFDUPLEX_INSTANCE(USARTx) can be used to check whether or not
		1392	* Half-Duplex mode is supported by the USARTx instance.
		1393	* @rmtoll CR3 HDSEL LL_USART_DisableHalfDuplex
		1394	* @param USARTx USART Instance
		1395	* @retval None
		1396	*/
		1397	__STATIC_INLINE void LL_USART_DisableHalfDuplex(USART_TypeDef *USARTx)
		1398	{
		1399	CLEAR_BIT(USARTx->CR3, USART_CR3_HDSEL);
		1400	}
		1401
		1402	/**
		1403	* @brief Indicate if Single Wire Half-Duplex mode is enabled
		1404	* @note Macro @ref IS_UART_HALFDUPLEX_INSTANCE(USARTx) can be used to check whether or not
		1405	* Half-Duplex mode is supported by the USARTx instance.
		1406	* @rmtoll CR3 HDSEL LL_USART_IsEnabledHalfDuplex
		1407	* @param USARTx USART Instance
		1408	* @retval State of bit (1 or 0).
		1409	*/
		1410	__STATIC_INLINE uint32_t LL_USART_IsEnabledHalfDuplex(USART_TypeDef *USARTx)
		1411	{
		1412	return (READ_BIT(USARTx->CR3, USART_CR3_HDSEL) == (USART_CR3_HDSEL));
		1413	}
		1414
		1415	/**
		1416	* @}
		1417	*/
		1418
		1419	/** @defgroup USART_LL_EF_Configuration_LIN Configuration functions related to LIN feature
		1420	* @{
		1421	*/
		1422
		1423	/**
		1424	* @brief Set LIN Break Detection Length
		1425	* @note Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not
		1426	* LIN feature is supported by the USARTx instance.
		1427	* @rmtoll CR2 LBDL LL_USART_SetLINBrkDetectionLen
		1428	* @param USARTx USART Instance
		1429	* @param LINBDLength This parameter can be one of the following values:
		1430	* @arg @ref LL_USART_LINBREAK_DETECT_10B
		1431	* @arg @ref LL_USART_LINBREAK_DETECT_11B
		1432	* @retval None
		1433	*/
		1434	__STATIC_INLINE void LL_USART_SetLINBrkDetectionLen(USART_TypeDef *USARTx, uint32_t LINBDLength)
		1435	{
		1436	MODIFY_REG(USARTx->CR2, USART_CR2_LBDL, LINBDLength);
		1437	}
		1438
		1439	/**
		1440	* @brief Return LIN Break Detection Length
		1441	* @note Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not
		1442	* LIN feature is supported by the USARTx instance.
		1443	* @rmtoll CR2 LBDL LL_USART_GetLINBrkDetectionLen
		1444	* @param USARTx USART Instance
		1445	* @retval Returned value can be one of the following values:
		1446	* @arg @ref LL_USART_LINBREAK_DETECT_10B
		1447	* @arg @ref LL_USART_LINBREAK_DETECT_11B
		1448	*/
		1449	__STATIC_INLINE uint32_t LL_USART_GetLINBrkDetectionLen(USART_TypeDef *USARTx)
		1450	{
		1451	return (uint32_t)(READ_BIT(USARTx->CR2, USART_CR2_LBDL));
		1452	}
		1453
		1454	/**
		1455	* @brief Enable LIN mode
		1456	* @note Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not
		1457	* LIN feature is supported by the USARTx instance.
		1458	* @rmtoll CR2 LINEN LL_USART_EnableLIN
		1459	* @param USARTx USART Instance
		1460	* @retval None
		1461	*/
		1462	__STATIC_INLINE void LL_USART_EnableLIN(USART_TypeDef *USARTx)
		1463	{
		1464	SET_BIT(USARTx->CR2, USART_CR2_LINEN);
		1465	}
		1466
		1467	/**
		1468	* @brief Disable LIN mode
		1469	* @note Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not
		1470	* LIN feature is supported by the USARTx instance.
		1471	* @rmtoll CR2 LINEN LL_USART_DisableLIN
		1472	* @param USARTx USART Instance
		1473	* @retval None
		1474	*/
		1475	__STATIC_INLINE void LL_USART_DisableLIN(USART_TypeDef *USARTx)
		1476	{
		1477	CLEAR_BIT(USARTx->CR2, USART_CR2_LINEN);
		1478	}
		1479
		1480	/**
		1481	* @brief Indicate if LIN mode is enabled
		1482	* @note Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not
		1483	* LIN feature is supported by the USARTx instance.
		1484	* @rmtoll CR2 LINEN LL_USART_IsEnabledLIN
		1485	* @param USARTx USART Instance
		1486	* @retval State of bit (1 or 0).
		1487	*/
		1488	__STATIC_INLINE uint32_t LL_USART_IsEnabledLIN(USART_TypeDef *USARTx)
		1489	{
		1490	return (READ_BIT(USARTx->CR2, USART_CR2_LINEN) == (USART_CR2_LINEN));
		1491	}
		1492
		1493	/**
		1494	* @}
		1495	*/
		1496
		1497	/** @defgroup USART_LL_EF_AdvancedConfiguration Advanced Configurations services
		1498	* @{
		1499	*/
		1500
		1501	/**
		1502	* @brief Perform basic configuration of USART for enabling use in Asynchronous Mode (UART)
		1503	* @note In UART mode, the following bits must be kept cleared:
		1504	* - LINEN bit in the USART_CR2 register,
		1505	* - CLKEN bit in the USART_CR2 register,
		1506	* - SCEN bit in the USART_CR3 register,
		1507	* - IREN bit in the USART_CR3 register,
		1508	* - HDSEL bit in the USART_CR3 register.
		1509	* @note Call of this function is equivalent to following function call sequence :
		1510	* - Clear LINEN in CR2 using @ref LL_USART_DisableLIN() function
		1511	* - Clear CLKEN in CR2 using @ref LL_USART_DisableSCLKOutput() function
		1512	* - Clear SCEN in CR3 using @ref LL_USART_DisableSmartcard() function
		1513	* - Clear IREN in CR3 using @ref LL_USART_DisableIrda() function
		1514	* - Clear HDSEL in CR3 using @ref LL_USART_DisableHalfDuplex() function
		1515	* @note Other remaining configurations items related to Asynchronous Mode
		1516	* (as Baud Rate, Word length, Parity, ...) should be set using
		1517	* dedicated functions
		1518	* @rmtoll CR2 LINEN LL_USART_ConfigAsyncMode\n
		1519	* CR2 CLKEN LL_USART_ConfigAsyncMode\n
		1520	* CR3 SCEN LL_USART_ConfigAsyncMode\n
		1521	* CR3 IREN LL_USART_ConfigAsyncMode\n
		1522	* CR3 HDSEL LL_USART_ConfigAsyncMode
		1523	* @param USARTx USART Instance
		1524	* @retval None
		1525	*/
		1526	__STATIC_INLINE void LL_USART_ConfigAsyncMode(USART_TypeDef *USARTx)
		1527	{
		1528	/* In Asynchronous mode, the following bits must be kept cleared:
		1529	- LINEN, CLKEN bits in the USART_CR2 register,
		1530	- SCEN, IREN and HDSEL bits in the USART_CR3 register.*/
		1531	CLEAR_BIT(USARTx->CR2, (USART_CR2_LINEN \| USART_CR2_CLKEN));
		1532	CLEAR_BIT(USARTx->CR3, (USART_CR3_SCEN \| USART_CR3_IREN \| USART_CR3_HDSEL));
		1533	}
		1534
		1535	/**
		1536	* @brief Perform basic configuration of USART for enabling use in Synchronous Mode
		1537	* @note In Synchronous mode, the following bits must be kept cleared:
		1538	* - LINEN bit in the USART_CR2 register,
		1539	* - SCEN bit in the USART_CR3 register,
		1540	* - IREN bit in the USART_CR3 register,
		1541	* - HDSEL bit in the USART_CR3 register.
		1542	* This function also sets the USART in Synchronous mode.
		1543	* @note Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not
		1544	* Synchronous mode is supported by the USARTx instance.
		1545	* @note Call of this function is equivalent to following function call sequence :
		1546	* - Clear LINEN in CR2 using @ref LL_USART_DisableLIN() function
		1547	* - Clear IREN in CR3 using @ref LL_USART_DisableIrda() function
		1548	* - Clear SCEN in CR3 using @ref LL_USART_DisableSmartcard() function
		1549	* - Clear HDSEL in CR3 using @ref LL_USART_DisableHalfDuplex() function
		1550	* - Set CLKEN in CR2 using @ref LL_USART_EnableSCLKOutput() function
		1551	* @note Other remaining configurations items related to Synchronous Mode
		1552	* (as Baud Rate, Word length, Parity, Clock Polarity, ...) should be set using
		1553	* dedicated functions
		1554	* @rmtoll CR2 LINEN LL_USART_ConfigSyncMode\n
		1555	* CR2 CLKEN LL_USART_ConfigSyncMode\n
		1556	* CR3 SCEN LL_USART_ConfigSyncMode\n
		1557	* CR3 IREN LL_USART_ConfigSyncMode\n
		1558	* CR3 HDSEL LL_USART_ConfigSyncMode
		1559	* @param USARTx USART Instance
		1560	* @retval None
		1561	*/
		1562	__STATIC_INLINE void LL_USART_ConfigSyncMode(USART_TypeDef *USARTx)
		1563	{
		1564	/* In Synchronous mode, the following bits must be kept cleared:
		1565	- LINEN bit in the USART_CR2 register,
		1566	- SCEN, IREN and HDSEL bits in the USART_CR3 register.*/
		1567	CLEAR_BIT(USARTx->CR2, (USART_CR2_LINEN));
		1568	CLEAR_BIT(USARTx->CR3, (USART_CR3_SCEN \| USART_CR3_IREN \| USART_CR3_HDSEL));
		1569	/* set the UART/USART in Synchronous mode */
		1570	SET_BIT(USARTx->CR2, USART_CR2_CLKEN);
		1571	}
		1572
		1573	/**
		1574	* @brief Perform basic configuration of USART for enabling use in LIN Mode
		1575	* @note In LIN mode, the following bits must be kept cleared:
		1576	* - STOP and CLKEN bits in the USART_CR2 register,
		1577	* - SCEN bit in the USART_CR3 register,
		1578	* - IREN bit in the USART_CR3 register,
		1579	* - HDSEL bit in the USART_CR3 register.
		1580	* This function also set the UART/USART in LIN mode.
		1581	* @note Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not
		1582	* LIN feature is supported by the USARTx instance.
		1583	* @note Call of this function is equivalent to following function call sequence :
		1584	* - Clear CLKEN in CR2 using @ref LL_USART_DisableSCLKOutput() function
		1585	* - Clear STOP in CR2 using @ref LL_USART_SetStopBitsLength() function
		1586	* - Clear SCEN in CR3 using @ref LL_USART_DisableSmartcard() function
		1587	* - Clear IREN in CR3 using @ref LL_USART_DisableIrda() function
		1588	* - Clear HDSEL in CR3 using @ref LL_USART_DisableHalfDuplex() function
		1589	* - Set LINEN in CR2 using @ref LL_USART_EnableLIN() function
		1590	* @note Other remaining configurations items related to LIN Mode
		1591	* (as Baud Rate, Word length, LIN Break Detection Length, ...) should be set using
		1592	* dedicated functions
		1593	* @rmtoll CR2 CLKEN LL_USART_ConfigLINMode\n
		1594	* CR2 STOP LL_USART_ConfigLINMode\n
		1595	* CR2 LINEN LL_USART_ConfigLINMode\n
		1596	* CR3 IREN LL_USART_ConfigLINMode\n
		1597	* CR3 SCEN LL_USART_ConfigLINMode\n
		1598	* CR3 HDSEL LL_USART_ConfigLINMode
		1599	* @param USARTx USART Instance
		1600	* @retval None
		1601	*/
		1602	__STATIC_INLINE void LL_USART_ConfigLINMode(USART_TypeDef *USARTx)
		1603	{
		1604	/* In LIN mode, the following bits must be kept cleared:
		1605	- STOP and CLKEN bits in the USART_CR2 register,
		1606	- IREN, SCEN and HDSEL bits in the USART_CR3 register.*/
		1607	CLEAR_BIT(USARTx->CR2, (USART_CR2_CLKEN \| USART_CR2_STOP));
		1608	CLEAR_BIT(USARTx->CR3, (USART_CR3_IREN \| USART_CR3_SCEN \| USART_CR3_HDSEL));
		1609	/* Set the UART/USART in LIN mode */
		1610	SET_BIT(USARTx->CR2, USART_CR2_LINEN);
		1611	}
		1612
		1613	/**
		1614	* @brief Perform basic configuration of USART for enabling use in Half Duplex Mode
		1615	* @note In Half Duplex mode, the following bits must be kept cleared:
		1616	* - LINEN bit in the USART_CR2 register,
		1617	* - CLKEN bit in the USART_CR2 register,
		1618	* - SCEN bit in the USART_CR3 register,
		1619	* - IREN bit in the USART_CR3 register,
		1620	* This function also sets the UART/USART in Half Duplex mode.
		1621	* @note Macro @ref IS_UART_HALFDUPLEX_INSTANCE(USARTx) can be used to check whether or not
		1622	* Half-Duplex mode is supported by the USARTx instance.
		1623	* @note Call of this function is equivalent to following function call sequence :
		1624	* - Clear LINEN in CR2 using @ref LL_USART_DisableLIN() function
		1625	* - Clear CLKEN in CR2 using @ref LL_USART_DisableSCLKOutput() function
		1626	* - Clear SCEN in CR3 using @ref LL_USART_DisableSmartcard() function
		1627	* - Clear IREN in CR3 using @ref LL_USART_DisableIrda() function
		1628	* - Set HDSEL in CR3 using @ref LL_USART_EnableHalfDuplex() function
		1629	* @note Other remaining configurations items related to Half Duplex Mode
		1630	* (as Baud Rate, Word length, Parity, ...) should be set using
		1631	* dedicated functions
		1632	* @rmtoll CR2 LINEN LL_USART_ConfigHalfDuplexMode\n
		1633	* CR2 CLKEN LL_USART_ConfigHalfDuplexMode\n
		1634	* CR3 HDSEL LL_USART_ConfigHalfDuplexMode\n
		1635	* CR3 SCEN LL_USART_ConfigHalfDuplexMode\n
		1636	* CR3 IREN LL_USART_ConfigHalfDuplexMode
		1637	* @param USARTx USART Instance
		1638	* @retval None
		1639	*/
		1640	__STATIC_INLINE void LL_USART_ConfigHalfDuplexMode(USART_TypeDef *USARTx)
		1641	{
		1642	/* In Half Duplex mode, the following bits must be kept cleared:
		1643	- LINEN and CLKEN bits in the USART_CR2 register,
		1644	- SCEN and IREN bits in the USART_CR3 register.*/
		1645	CLEAR_BIT(USARTx->CR2, (USART_CR2_LINEN \| USART_CR2_CLKEN));
		1646	CLEAR_BIT(USARTx->CR3, (USART_CR3_SCEN \| USART_CR3_IREN));
		1647	/* set the UART/USART in Half Duplex mode */
		1648	SET_BIT(USARTx->CR3, USART_CR3_HDSEL);
		1649	}
		1650
		1651	/**
		1652	* @brief Perform basic configuration of USART for enabling use in Smartcard Mode
		1653	* @note In Smartcard mode, the following bits must be kept cleared:
		1654	* - LINEN bit in the USART_CR2 register,
		1655	* - IREN bit in the USART_CR3 register,
		1656	* - HDSEL bit in the USART_CR3 register.
		1657	* This function also configures Stop bits to 1.5 bits and
		1658	* sets the USART in Smartcard mode (SCEN bit).
		1659	* Clock Output is also enabled (CLKEN).
		1660	* @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not
		1661	* Smartcard feature is supported by the USARTx instance.
		1662	* @note Call of this function is equivalent to following function call sequence :
		1663	* - Clear LINEN in CR2 using @ref LL_USART_DisableLIN() function
		1664	* - Clear IREN in CR3 using @ref LL_USART_DisableIrda() function
		1665	* - Clear HDSEL in CR3 using @ref LL_USART_DisableHalfDuplex() function
		1666	* - Configure STOP in CR2 using @ref LL_USART_SetStopBitsLength() function
		1667	* - Set CLKEN in CR2 using @ref LL_USART_EnableSCLKOutput() function
		1668	* - Set SCEN in CR3 using @ref LL_USART_EnableSmartcard() function
		1669	* @note Other remaining configurations items related to Smartcard Mode
		1670	* (as Baud Rate, Word length, Parity, ...) should be set using
		1671	* dedicated functions
		1672	* @rmtoll CR2 LINEN LL_USART_ConfigSmartcardMode\n
		1673	* CR2 STOP LL_USART_ConfigSmartcardMode\n
		1674	* CR2 CLKEN LL_USART_ConfigSmartcardMode\n
		1675	* CR3 HDSEL LL_USART_ConfigSmartcardMode\n
		1676	* CR3 SCEN LL_USART_ConfigSmartcardMode
		1677	* @param USARTx USART Instance
		1678	* @retval None
		1679	*/
		1680	__STATIC_INLINE void LL_USART_ConfigSmartcardMode(USART_TypeDef *USARTx)
		1681	{
		1682	/* In Smartcard mode, the following bits must be kept cleared:
		1683	- LINEN bit in the USART_CR2 register,
		1684	- IREN and HDSEL bits in the USART_CR3 register.*/
		1685	CLEAR_BIT(USARTx->CR2, (USART_CR2_LINEN));
		1686	CLEAR_BIT(USARTx->CR3, (USART_CR3_IREN \| USART_CR3_HDSEL));
		1687	/* Configure Stop bits to 1.5 bits */
		1688	/* Synchronous mode is activated by default */
		1689	SET_BIT(USARTx->CR2, (USART_CR2_STOP_0 \| USART_CR2_STOP_1 \| USART_CR2_CLKEN));
		1690	/* set the UART/USART in Smartcard mode */
		1691	SET_BIT(USARTx->CR3, USART_CR3_SCEN);
		1692	}
		1693
		1694	/**
		1695	* @brief Perform basic configuration of USART for enabling use in Irda Mode
		1696	* @note In IRDA mode, the following bits must be kept cleared:
		1697	* - LINEN bit in the USART_CR2 register,
		1698	* - STOP and CLKEN bits in the USART_CR2 register,
		1699	* - SCEN bit in the USART_CR3 register,
		1700	* - HDSEL bit in the USART_CR3 register.
		1701	* This function also sets the UART/USART in IRDA mode (IREN bit).
		1702	* @note Macro @ref IS_IRDA_INSTANCE(USARTx) can be used to check whether or not
		1703	* IrDA feature is supported by the USARTx instance.
		1704	* @note Call of this function is equivalent to following function call sequence :
		1705	* - Clear LINEN in CR2 using @ref LL_USART_DisableLIN() function
		1706	* - Clear CLKEN in CR2 using @ref LL_USART_DisableSCLKOutput() function
		1707	* - Clear SCEN in CR3 using @ref LL_USART_DisableSmartcard() function
		1708	* - Clear HDSEL in CR3 using @ref LL_USART_DisableHalfDuplex() function
		1709	* - Configure STOP in CR2 using @ref LL_USART_SetStopBitsLength() function
		1710	* - Set IREN in CR3 using @ref LL_USART_EnableIrda() function
		1711	* @note Other remaining configurations items related to Irda Mode
		1712	* (as Baud Rate, Word length, Power mode, ...) should be set using
		1713	* dedicated functions
		1714	* @rmtoll CR2 LINEN LL_USART_ConfigIrdaMode\n
		1715	* CR2 CLKEN LL_USART_ConfigIrdaMode\n
		1716	* CR2 STOP LL_USART_ConfigIrdaMode\n
		1717	* CR3 SCEN LL_USART_ConfigIrdaMode\n
		1718	* CR3 HDSEL LL_USART_ConfigIrdaMode\n
		1719	* CR3 IREN LL_USART_ConfigIrdaMode
		1720	* @param USARTx USART Instance
		1721	* @retval None
		1722	*/
		1723	__STATIC_INLINE void LL_USART_ConfigIrdaMode(USART_TypeDef *USARTx)
		1724	{
		1725	/* In IRDA mode, the following bits must be kept cleared:
		1726	- LINEN, STOP and CLKEN bits in the USART_CR2 register,
		1727	- SCEN and HDSEL bits in the USART_CR3 register.*/
		1728	CLEAR_BIT(USARTx->CR2, (USART_CR2_LINEN \| USART_CR2_CLKEN \| USART_CR2_STOP));
		1729	CLEAR_BIT(USARTx->CR3, (USART_CR3_SCEN \| USART_CR3_HDSEL));
		1730	/* set the UART/USART in IRDA mode */
		1731	SET_BIT(USARTx->CR3, USART_CR3_IREN);
		1732	}
		1733
		1734	/**
		1735	* @brief Perform basic configuration of USART for enabling use in Multi processor Mode
		1736	* (several USARTs connected in a network, one of the USARTs can be the master,
		1737	* its TX output connected to the RX inputs of the other slaves USARTs).
		1738	* @note In MultiProcessor mode, the following bits must be kept cleared:
		1739	* - LINEN bit in the USART_CR2 register,
		1740	* - CLKEN bit in the USART_CR2 register,
		1741	* - SCEN bit in the USART_CR3 register,
		1742	* - IREN bit in the USART_CR3 register,
		1743	* - HDSEL bit in the USART_CR3 register.
		1744	* @note Call of this function is equivalent to following function call sequence :
		1745	* - Clear LINEN in CR2 using @ref LL_USART_DisableLIN() function
		1746	* - Clear CLKEN in CR2 using @ref LL_USART_DisableSCLKOutput() function
		1747	* - Clear SCEN in CR3 using @ref LL_USART_DisableSmartcard() function
		1748	* - Clear IREN in CR3 using @ref LL_USART_DisableIrda() function
		1749	* - Clear HDSEL in CR3 using @ref LL_USART_DisableHalfDuplex() function
		1750	* @note Other remaining configurations items related to Multi processor Mode
		1751	* (as Baud Rate, Wake Up Method, Node address, ...) should be set using
		1752	* dedicated functions
		1753	* @rmtoll CR2 LINEN LL_USART_ConfigMultiProcessMode\n
		1754	* CR2 CLKEN LL_USART_ConfigMultiProcessMode\n
		1755	* CR3 SCEN LL_USART_ConfigMultiProcessMode\n
		1756	* CR3 HDSEL LL_USART_ConfigMultiProcessMode\n
		1757	* CR3 IREN LL_USART_ConfigMultiProcessMode
		1758	* @param USARTx USART Instance
		1759	* @retval None
		1760	*/
		1761	__STATIC_INLINE void LL_USART_ConfigMultiProcessMode(USART_TypeDef *USARTx)
		1762	{
		1763	/* In Multi Processor mode, the following bits must be kept cleared:
		1764	- LINEN and CLKEN bits in the USART_CR2 register,
		1765	- IREN, SCEN and HDSEL bits in the USART_CR3 register.*/
		1766	CLEAR_BIT(USARTx->CR2, (USART_CR2_LINEN \| USART_CR2_CLKEN));
		1767	CLEAR_BIT(USARTx->CR3, (USART_CR3_SCEN \| USART_CR3_HDSEL \| USART_CR3_IREN));
		1768	}
		1769
		1770	/**
		1771	* @}
		1772	*/
		1773
		1774	/** @defgroup USART_LL_EF_FLAG_Management FLAG_Management
		1775	* @{
		1776	*/
		1777
		1778	/**
		1779	* @brief Check if the USART Parity Error Flag is set or not
		1780	* @rmtoll SR PE LL_USART_IsActiveFlag_PE
		1781	* @param USARTx USART Instance
		1782	* @retval State of bit (1 or 0).
		1783	*/
		1784	__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_PE(USART_TypeDef *USARTx)
		1785	{
		1786	return (READ_BIT(USARTx->SR, USART_SR_PE) == (USART_SR_PE));
		1787	}
		1788
		1789	/**
		1790	* @brief Check if the USART Framing Error Flag is set or not
		1791	* @rmtoll SR FE LL_USART_IsActiveFlag_FE
		1792	* @param USARTx USART Instance
		1793	* @retval State of bit (1 or 0).
		1794	*/
		1795	__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_FE(USART_TypeDef *USARTx)
		1796	{
		1797	return (READ_BIT(USARTx->SR, USART_SR_FE) == (USART_SR_FE));
		1798	}
		1799
		1800	/**
		1801	* @brief Check if the USART Noise error detected Flag is set or not
		1802	* @rmtoll SR NF LL_USART_IsActiveFlag_NE
		1803	* @param USARTx USART Instance
		1804	* @retval State of bit (1 or 0).
		1805	*/
		1806	__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_NE(USART_TypeDef *USARTx)
		1807	{
		1808	return (READ_BIT(USARTx->SR, USART_SR_NE) == (USART_SR_NE));
		1809	}
		1810
		1811	/**
		1812	* @brief Check if the USART OverRun Error Flag is set or not
		1813	* @rmtoll SR ORE LL_USART_IsActiveFlag_ORE
		1814	* @param USARTx USART Instance
		1815	* @retval State of bit (1 or 0).
		1816	*/
		1817	__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_ORE(USART_TypeDef *USARTx)
		1818	{
		1819	return (READ_BIT(USARTx->SR, USART_SR_ORE) == (USART_SR_ORE));
		1820	}
		1821
		1822	/**
		1823	* @brief Check if the USART IDLE line detected Flag is set or not
		1824	* @rmtoll SR IDLE LL_USART_IsActiveFlag_IDLE
		1825	* @param USARTx USART Instance
		1826	* @retval State of bit (1 or 0).
		1827	*/
		1828	__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_IDLE(USART_TypeDef *USARTx)
		1829	{
		1830	return (READ_BIT(USARTx->SR, USART_SR_IDLE) == (USART_SR_IDLE));
		1831	}
		1832
		1833	/**
		1834	* @brief Check if the USART Read Data Register Not Empty Flag is set or not
		1835	* @rmtoll SR RXNE LL_USART_IsActiveFlag_RXNE
		1836	* @param USARTx USART Instance
		1837	* @retval State of bit (1 or 0).
		1838	*/
		1839	__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_RXNE(USART_TypeDef *USARTx)
		1840	{
		1841	return (READ_BIT(USARTx->SR, USART_SR_RXNE) == (USART_SR_RXNE));
		1842	}
		1843
		1844	/**
		1845	* @brief Check if the USART Transmission Complete Flag is set or not
		1846	* @rmtoll SR TC LL_USART_IsActiveFlag_TC
		1847	* @param USARTx USART Instance
		1848	* @retval State of bit (1 or 0).
		1849	*/
		1850	__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_TC(USART_TypeDef *USARTx)
		1851	{
		1852	return (READ_BIT(USARTx->SR, USART_SR_TC) == (USART_SR_TC));
		1853	}
		1854
		1855	/**
		1856	* @brief Check if the USART Transmit Data Register Empty Flag is set or not
		1857	* @rmtoll SR TXE LL_USART_IsActiveFlag_TXE
		1858	* @param USARTx USART Instance
		1859	* @retval State of bit (1 or 0).
		1860	*/
		1861	__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_TXE(USART_TypeDef *USARTx)
		1862	{
		1863	return (READ_BIT(USARTx->SR, USART_SR_TXE) == (USART_SR_TXE));
		1864	}
		1865
		1866	/**
		1867	* @brief Check if the USART LIN Break Detection Flag is set or not
		1868	* @note Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not
		1869	* LIN feature is supported by the USARTx instance.
		1870	* @rmtoll SR LBD LL_USART_IsActiveFlag_LBD
		1871	* @param USARTx USART Instance
		1872	* @retval State of bit (1 or 0).
		1873	*/
		1874	__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_LBD(USART_TypeDef *USARTx)
		1875	{
		1876	return (READ_BIT(USARTx->SR, USART_SR_LBD) == (USART_SR_LBD));
		1877	}
		1878
		1879	/**
		1880	* @brief Check if the USART CTS Flag is set or not
		1881	* @note Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not
		1882	* Hardware Flow control feature is supported by the USARTx instance.
		1883	* @rmtoll SR CTS LL_USART_IsActiveFlag_nCTS
		1884	* @param USARTx USART Instance
		1885	* @retval State of bit (1 or 0).
		1886	*/
		1887	__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_nCTS(USART_TypeDef *USARTx)
		1888	{
		1889	return (READ_BIT(USARTx->SR, USART_SR_CTS) == (USART_SR_CTS));
		1890	}
		1891
		1892	/**
		1893	* @brief Check if the USART Send Break Flag is set or not
		1894	* @rmtoll CR1 SBK LL_USART_IsActiveFlag_SBK
		1895	* @param USARTx USART Instance
		1896	* @retval State of bit (1 or 0).
		1897	*/
		1898	__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_SBK(USART_TypeDef *USARTx)
		1899	{
		1900	return (READ_BIT(USARTx->CR1, USART_CR1_SBK) == (USART_CR1_SBK));
		1901	}
		1902
		1903	/**
		1904	* @brief Check if the USART Receive Wake Up from mute mode Flag is set or not
		1905	* @rmtoll CR1 RWU LL_USART_IsActiveFlag_RWU
		1906	* @param USARTx USART Instance
		1907	* @retval State of bit (1 or 0).
		1908	*/
		1909	__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_RWU(USART_TypeDef *USARTx)
		1910	{
		1911	return (READ_BIT(USARTx->CR1, USART_CR1_RWU) == (USART_CR1_RWU));
		1912	}
		1913
		1914	/**
		1915	* @brief Clear Parity Error Flag
		1916	* @note Clearing this flag is done by a read access to the USARTx_SR
		1917	* register followed by a read access to the USARTx_DR register.
9	mjames	1918	* @note Please also consider that when clearing this flag, other flags as
2	mjames	1919	* NE, FE, ORE, IDLE would also be cleared.
		1920	* @rmtoll SR PE LL_USART_ClearFlag_PE
		1921	* @param USARTx USART Instance
		1922	* @retval None
		1923	*/
		1924	__STATIC_INLINE void LL_USART_ClearFlag_PE(USART_TypeDef *USARTx)
		1925	{
		1926	__IO uint32_t tmpreg;
		1927	tmpreg = USARTx->SR;
		1928	(void) tmpreg;
		1929	tmpreg = USARTx->DR;
		1930	(void) tmpreg;
		1931	}
		1932
		1933	/**
		1934	* @brief Clear Framing Error Flag
		1935	* @note Clearing this flag is done by a read access to the USARTx_SR
		1936	* register followed by a read access to the USARTx_DR register.
9	mjames	1937	* @note Please also consider that when clearing this flag, other flags as
2	mjames	1938	* PE, NE, ORE, IDLE would also be cleared.
		1939	* @rmtoll SR FE LL_USART_ClearFlag_FE
		1940	* @param USARTx USART Instance
		1941	* @retval None
		1942	*/
		1943	__STATIC_INLINE void LL_USART_ClearFlag_FE(USART_TypeDef *USARTx)
		1944	{
		1945	__IO uint32_t tmpreg;
		1946	tmpreg = USARTx->SR;
		1947	(void) tmpreg;
		1948	tmpreg = USARTx->DR;
		1949	(void) tmpreg;
		1950	}
		1951
		1952	/**
		1953	* @brief Clear Noise detected Flag
		1954	* @note Clearing this flag is done by a read access to the USARTx_SR
		1955	* register followed by a read access to the USARTx_DR register.
9	mjames	1956	* @note Please also consider that when clearing this flag, other flags as
2	mjames	1957	* PE, FE, ORE, IDLE would also be cleared.
		1958	* @rmtoll SR NF LL_USART_ClearFlag_NE
		1959	* @param USARTx USART Instance
		1960	* @retval None
		1961	*/
		1962	__STATIC_INLINE void LL_USART_ClearFlag_NE(USART_TypeDef *USARTx)
		1963	{
		1964	__IO uint32_t tmpreg;
		1965	tmpreg = USARTx->SR;
		1966	(void) tmpreg;
		1967	tmpreg = USARTx->DR;
		1968	(void) tmpreg;
		1969	}
		1970
		1971	/**
		1972	* @brief Clear OverRun Error Flag
		1973	* @note Clearing this flag is done by a read access to the USARTx_SR
		1974	* register followed by a read access to the USARTx_DR register.
9	mjames	1975	* @note Please also consider that when clearing this flag, other flags as
2	mjames	1976	* PE, NE, FE, IDLE would also be cleared.
		1977	* @rmtoll SR ORE LL_USART_ClearFlag_ORE
		1978	* @param USARTx USART Instance
		1979	* @retval None
		1980	*/
		1981	__STATIC_INLINE void LL_USART_ClearFlag_ORE(USART_TypeDef *USARTx)
		1982	{
		1983	__IO uint32_t tmpreg;
		1984	tmpreg = USARTx->SR;
		1985	(void) tmpreg;
		1986	tmpreg = USARTx->DR;
		1987	(void) tmpreg;
		1988	}
		1989
		1990	/**
		1991	* @brief Clear IDLE line detected Flag
		1992	* @note Clearing this flag is done by a read access to the USARTx_SR
		1993	* register followed by a read access to the USARTx_DR register.
9	mjames	1994	* @note Please also consider that when clearing this flag, other flags as
2	mjames	1995	* PE, NE, FE, ORE would also be cleared.
		1996	* @rmtoll SR IDLE LL_USART_ClearFlag_IDLE
		1997	* @param USARTx USART Instance
		1998	* @retval None
		1999	*/
		2000	__STATIC_INLINE void LL_USART_ClearFlag_IDLE(USART_TypeDef *USARTx)
		2001	{
		2002	__IO uint32_t tmpreg;
		2003	tmpreg = USARTx->SR;
		2004	(void) tmpreg;
		2005	tmpreg = USARTx->DR;
		2006	(void) tmpreg;
		2007	}
		2008
		2009	/**
		2010	* @brief Clear Transmission Complete Flag
		2011	* @rmtoll SR TC LL_USART_ClearFlag_TC
		2012	* @param USARTx USART Instance
		2013	* @retval None
		2014	*/
		2015	__STATIC_INLINE void LL_USART_ClearFlag_TC(USART_TypeDef *USARTx)
		2016	{
9	mjames	2017	WRITE_REG(USARTx->SR, ~(USART_SR_TC));
2	mjames	2018	}
		2019
		2020	/**
		2021	* @brief Clear RX Not Empty Flag
		2022	* @rmtoll SR RXNE LL_USART_ClearFlag_RXNE
		2023	* @param USARTx USART Instance
		2024	* @retval None
		2025	*/
		2026	__STATIC_INLINE void LL_USART_ClearFlag_RXNE(USART_TypeDef *USARTx)
		2027	{
9	mjames	2028	WRITE_REG(USARTx->SR, ~(USART_SR_RXNE));
2	mjames	2029	}
		2030
		2031	/**
		2032	* @brief Clear LIN Break Detection Flag
		2033	* @note Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not
		2034	* LIN feature is supported by the USARTx instance.
		2035	* @rmtoll SR LBD LL_USART_ClearFlag_LBD
		2036	* @param USARTx USART Instance
		2037	* @retval None
		2038	*/
		2039	__STATIC_INLINE void LL_USART_ClearFlag_LBD(USART_TypeDef *USARTx)
		2040	{
9	mjames	2041	WRITE_REG(USARTx->SR, ~(USART_SR_LBD));
2	mjames	2042	}
		2043
		2044	/**
		2045	* @brief Clear CTS Interrupt Flag
		2046	* @note Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not
		2047	* Hardware Flow control feature is supported by the USARTx instance.
		2048	* @rmtoll SR CTS LL_USART_ClearFlag_nCTS
		2049	* @param USARTx USART Instance
		2050	* @retval None
		2051	*/
		2052	__STATIC_INLINE void LL_USART_ClearFlag_nCTS(USART_TypeDef *USARTx)
		2053	{
9	mjames	2054	WRITE_REG(USARTx->SR, ~(USART_SR_CTS));
2	mjames	2055	}
		2056
		2057	/**
		2058	* @}
		2059	*/
		2060
		2061	/** @defgroup USART_LL_EF_IT_Management IT_Management
		2062	* @{
		2063	*/
		2064
		2065	/**
		2066	* @brief Enable IDLE Interrupt
		2067	* @rmtoll CR1 IDLEIE LL_USART_EnableIT_IDLE
		2068	* @param USARTx USART Instance
		2069	* @retval None
		2070	*/
		2071	__STATIC_INLINE void LL_USART_EnableIT_IDLE(USART_TypeDef *USARTx)
		2072	{
		2073	SET_BIT(USARTx->CR1, USART_CR1_IDLEIE);
		2074	}
		2075
		2076	/**
		2077	* @brief Enable RX Not Empty Interrupt
		2078	* @rmtoll CR1 RXNEIE LL_USART_EnableIT_RXNE
		2079	* @param USARTx USART Instance
		2080	* @retval None
		2081	*/
		2082	__STATIC_INLINE void LL_USART_EnableIT_RXNE(USART_TypeDef *USARTx)
		2083	{
		2084	SET_BIT(USARTx->CR1, USART_CR1_RXNEIE);
		2085	}
		2086
		2087	/**
		2088	* @brief Enable Transmission Complete Interrupt
		2089	* @rmtoll CR1 TCIE LL_USART_EnableIT_TC
		2090	* @param USARTx USART Instance
		2091	* @retval None
		2092	*/
		2093	__STATIC_INLINE void LL_USART_EnableIT_TC(USART_TypeDef *USARTx)
		2094	{
		2095	SET_BIT(USARTx->CR1, USART_CR1_TCIE);
		2096	}
		2097
		2098	/**
		2099	* @brief Enable TX Empty Interrupt
		2100	* @rmtoll CR1 TXEIE LL_USART_EnableIT_TXE
		2101	* @param USARTx USART Instance
		2102	* @retval None
		2103	*/
		2104	__STATIC_INLINE void LL_USART_EnableIT_TXE(USART_TypeDef *USARTx)
		2105	{
		2106	SET_BIT(USARTx->CR1, USART_CR1_TXEIE);
		2107	}
		2108
		2109	/**
		2110	* @brief Enable Parity Error Interrupt
		2111	* @rmtoll CR1 PEIE LL_USART_EnableIT_PE
		2112	* @param USARTx USART Instance
		2113	* @retval None
		2114	*/
		2115	__STATIC_INLINE void LL_USART_EnableIT_PE(USART_TypeDef *USARTx)
		2116	{
		2117	SET_BIT(USARTx->CR1, USART_CR1_PEIE);
		2118	}
		2119
		2120	/**
		2121	* @brief Enable LIN Break Detection Interrupt
		2122	* @note Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not
		2123	* LIN feature is supported by the USARTx instance.
		2124	* @rmtoll CR2 LBDIE LL_USART_EnableIT_LBD
		2125	* @param USARTx USART Instance
		2126	* @retval None
		2127	*/
		2128	__STATIC_INLINE void LL_USART_EnableIT_LBD(USART_TypeDef *USARTx)
		2129	{
		2130	SET_BIT(USARTx->CR2, USART_CR2_LBDIE);
		2131	}
		2132
		2133	/**
		2134	* @brief Enable Error Interrupt
		2135	* @note When set, Error Interrupt Enable Bit is enabling interrupt generation in case of a framing
		2136	* error, overrun error or noise flag (FE=1 or ORE=1 or NF=1 in the USARTx_SR register).
		2137	* 0: Interrupt is inhibited
		2138	* 1: An interrupt is generated when FE=1 or ORE=1 or NF=1 in the USARTx_SR register.
		2139	* @rmtoll CR3 EIE LL_USART_EnableIT_ERROR
		2140	* @param USARTx USART Instance
		2141	* @retval None
		2142	*/
		2143	__STATIC_INLINE void LL_USART_EnableIT_ERROR(USART_TypeDef *USARTx)
		2144	{
		2145	SET_BIT(USARTx->CR3, USART_CR3_EIE);
		2146	}
		2147
		2148	/**
		2149	* @brief Enable CTS Interrupt
		2150	* @note Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not
		2151	* Hardware Flow control feature is supported by the USARTx instance.
		2152	* @rmtoll CR3 CTSIE LL_USART_EnableIT_CTS
		2153	* @param USARTx USART Instance
		2154	* @retval None
		2155	*/
		2156	__STATIC_INLINE void LL_USART_EnableIT_CTS(USART_TypeDef *USARTx)
		2157	{
		2158	SET_BIT(USARTx->CR3, USART_CR3_CTSIE);
		2159	}
		2160
		2161	/**
		2162	* @brief Disable IDLE Interrupt
		2163	* @rmtoll CR1 IDLEIE LL_USART_DisableIT_IDLE
		2164	* @param USARTx USART Instance
		2165	* @retval None
		2166	*/
		2167	__STATIC_INLINE void LL_USART_DisableIT_IDLE(USART_TypeDef *USARTx)
		2168	{
		2169	CLEAR_BIT(USARTx->CR1, USART_CR1_IDLEIE);
		2170	}
		2171
		2172	/**
		2173	* @brief Disable RX Not Empty Interrupt
		2174	* @rmtoll CR1 RXNEIE LL_USART_DisableIT_RXNE
		2175	* @param USARTx USART Instance
		2176	* @retval None
		2177	*/
		2178	__STATIC_INLINE void LL_USART_DisableIT_RXNE(USART_TypeDef *USARTx)
		2179	{
		2180	CLEAR_BIT(USARTx->CR1, USART_CR1_RXNEIE);
		2181	}
		2182
		2183	/**
		2184	* @brief Disable Transmission Complete Interrupt
		2185	* @rmtoll CR1 TCIE LL_USART_DisableIT_TC
		2186	* @param USARTx USART Instance
		2187	* @retval None
		2188	*/
		2189	__STATIC_INLINE void LL_USART_DisableIT_TC(USART_TypeDef *USARTx)
		2190	{
		2191	CLEAR_BIT(USARTx->CR1, USART_CR1_TCIE);
		2192	}
		2193
		2194	/**
		2195	* @brief Disable TX Empty Interrupt
		2196	* @rmtoll CR1 TXEIE LL_USART_DisableIT_TXE
		2197	* @param USARTx USART Instance
		2198	* @retval None
		2199	*/
		2200	__STATIC_INLINE void LL_USART_DisableIT_TXE(USART_TypeDef *USARTx)
		2201	{
		2202	CLEAR_BIT(USARTx->CR1, USART_CR1_TXEIE);
		2203	}
		2204
		2205	/**
		2206	* @brief Disable Parity Error Interrupt
		2207	* @rmtoll CR1 PEIE LL_USART_DisableIT_PE
		2208	* @param USARTx USART Instance
		2209	* @retval None
		2210	*/
		2211	__STATIC_INLINE void LL_USART_DisableIT_PE(USART_TypeDef *USARTx)
		2212	{
		2213	CLEAR_BIT(USARTx->CR1, USART_CR1_PEIE);
		2214	}
		2215
		2216	/**
		2217	* @brief Disable LIN Break Detection Interrupt
		2218	* @note Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not
		2219	* LIN feature is supported by the USARTx instance.
		2220	* @rmtoll CR2 LBDIE LL_USART_DisableIT_LBD
		2221	* @param USARTx USART Instance
		2222	* @retval None
		2223	*/
		2224	__STATIC_INLINE void LL_USART_DisableIT_LBD(USART_TypeDef *USARTx)
		2225	{
		2226	CLEAR_BIT(USARTx->CR2, USART_CR2_LBDIE);
		2227	}
		2228
		2229	/**
		2230	* @brief Disable Error Interrupt
		2231	* @note When set, Error Interrupt Enable Bit is enabling interrupt generation in case of a framing
		2232	* error, overrun error or noise flag (FE=1 or ORE=1 or NF=1 in the USARTx_SR register).
		2233	* 0: Interrupt is inhibited
		2234	* 1: An interrupt is generated when FE=1 or ORE=1 or NF=1 in the USARTx_SR register.
		2235	* @rmtoll CR3 EIE LL_USART_DisableIT_ERROR
		2236	* @param USARTx USART Instance
		2237	* @retval None
		2238	*/
		2239	__STATIC_INLINE void LL_USART_DisableIT_ERROR(USART_TypeDef *USARTx)
		2240	{
		2241	CLEAR_BIT(USARTx->CR3, USART_CR3_EIE);
		2242	}
		2243
		2244	/**
		2245	* @brief Disable CTS Interrupt
		2246	* @note Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not
		2247	* Hardware Flow control feature is supported by the USARTx instance.
		2248	* @rmtoll CR3 CTSIE LL_USART_DisableIT_CTS
		2249	* @param USARTx USART Instance
		2250	* @retval None
		2251	*/
		2252	__STATIC_INLINE void LL_USART_DisableIT_CTS(USART_TypeDef *USARTx)
		2253	{
		2254	CLEAR_BIT(USARTx->CR3, USART_CR3_CTSIE);
		2255	}
		2256
		2257	/**
		2258	* @brief Check if the USART IDLE Interrupt source is enabled or disabled.
		2259	* @rmtoll CR1 IDLEIE LL_USART_IsEnabledIT_IDLE
		2260	* @param USARTx USART Instance
		2261	* @retval State of bit (1 or 0).
		2262	*/
		2263	__STATIC_INLINE uint32_t LL_USART_IsEnabledIT_IDLE(USART_TypeDef *USARTx)
		2264	{
		2265	return (READ_BIT(USARTx->CR1, USART_CR1_IDLEIE) == (USART_CR1_IDLEIE));
		2266	}
		2267
		2268	/**
		2269	* @brief Check if the USART RX Not Empty Interrupt is enabled or disabled.
		2270	* @rmtoll CR1 RXNEIE LL_USART_IsEnabledIT_RXNE
		2271	* @param USARTx USART Instance
		2272	* @retval State of bit (1 or 0).
		2273	*/
		2274	__STATIC_INLINE uint32_t LL_USART_IsEnabledIT_RXNE(USART_TypeDef *USARTx)
		2275	{
		2276	return (READ_BIT(USARTx->CR1, USART_CR1_RXNEIE) == (USART_CR1_RXNEIE));
		2277	}
		2278
		2279	/**
		2280	* @brief Check if the USART Transmission Complete Interrupt is enabled or disabled.
		2281	* @rmtoll CR1 TCIE LL_USART_IsEnabledIT_TC
		2282	* @param USARTx USART Instance
		2283	* @retval State of bit (1 or 0).
		2284	*/
		2285	__STATIC_INLINE uint32_t LL_USART_IsEnabledIT_TC(USART_TypeDef *USARTx)
		2286	{
		2287	return (READ_BIT(USARTx->CR1, USART_CR1_TCIE) == (USART_CR1_TCIE));
		2288	}
		2289
		2290	/**
		2291	* @brief Check if the USART TX Empty Interrupt is enabled or disabled.
		2292	* @rmtoll CR1 TXEIE LL_USART_IsEnabledIT_TXE
		2293	* @param USARTx USART Instance
		2294	* @retval State of bit (1 or 0).
		2295	*/
		2296	__STATIC_INLINE uint32_t LL_USART_IsEnabledIT_TXE(USART_TypeDef *USARTx)
		2297	{
		2298	return (READ_BIT(USARTx->CR1, USART_CR1_TXEIE) == (USART_CR1_TXEIE));
		2299	}
		2300
		2301	/**
		2302	* @brief Check if the USART Parity Error Interrupt is enabled or disabled.
		2303	* @rmtoll CR1 PEIE LL_USART_IsEnabledIT_PE
		2304	* @param USARTx USART Instance
		2305	* @retval State of bit (1 or 0).
		2306	*/
		2307	__STATIC_INLINE uint32_t LL_USART_IsEnabledIT_PE(USART_TypeDef *USARTx)
		2308	{
		2309	return (READ_BIT(USARTx->CR1, USART_CR1_PEIE) == (USART_CR1_PEIE));
		2310	}
		2311
		2312	/**
		2313	* @brief Check if the USART LIN Break Detection Interrupt is enabled or disabled.
		2314	* @note Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not
		2315	* LIN feature is supported by the USARTx instance.
		2316	* @rmtoll CR2 LBDIE LL_USART_IsEnabledIT_LBD
		2317	* @param USARTx USART Instance
		2318	* @retval State of bit (1 or 0).
		2319	*/
		2320	__STATIC_INLINE uint32_t LL_USART_IsEnabledIT_LBD(USART_TypeDef *USARTx)
		2321	{
		2322	return (READ_BIT(USARTx->CR2, USART_CR2_LBDIE) == (USART_CR2_LBDIE));
		2323	}
		2324
		2325	/**
		2326	* @brief Check if the USART Error Interrupt is enabled or disabled.
		2327	* @rmtoll CR3 EIE LL_USART_IsEnabledIT_ERROR
		2328	* @param USARTx USART Instance
		2329	* @retval State of bit (1 or 0).
		2330	*/
		2331	__STATIC_INLINE uint32_t LL_USART_IsEnabledIT_ERROR(USART_TypeDef *USARTx)
		2332	{
		2333	return (READ_BIT(USARTx->CR3, USART_CR3_EIE) == (USART_CR3_EIE));
		2334	}
		2335
		2336	/**
		2337	* @brief Check if the USART CTS Interrupt is enabled or disabled.
		2338	* @note Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not
		2339	* Hardware Flow control feature is supported by the USARTx instance.
		2340	* @rmtoll CR3 CTSIE LL_USART_IsEnabledIT_CTS
		2341	* @param USARTx USART Instance
		2342	* @retval State of bit (1 or 0).
		2343	*/
		2344	__STATIC_INLINE uint32_t LL_USART_IsEnabledIT_CTS(USART_TypeDef *USARTx)
		2345	{
		2346	return (READ_BIT(USARTx->CR3, USART_CR3_CTSIE) == (USART_CR3_CTSIE));
		2347	}
		2348
		2349	/**
		2350	* @}
		2351	*/
		2352
		2353	/** @defgroup USART_LL_EF_DMA_Management DMA_Management
		2354	* @{
		2355	*/
		2356
		2357	/**
		2358	* @brief Enable DMA Mode for reception
		2359	* @rmtoll CR3 DMAR LL_USART_EnableDMAReq_RX
		2360	* @param USARTx USART Instance
		2361	* @retval None
		2362	*/
		2363	__STATIC_INLINE void LL_USART_EnableDMAReq_RX(USART_TypeDef *USARTx)
		2364	{
		2365	SET_BIT(USARTx->CR3, USART_CR3_DMAR);
		2366	}
		2367
		2368	/**
		2369	* @brief Disable DMA Mode for reception
		2370	* @rmtoll CR3 DMAR LL_USART_DisableDMAReq_RX
		2371	* @param USARTx USART Instance
		2372	* @retval None
		2373	*/
		2374	__STATIC_INLINE void LL_USART_DisableDMAReq_RX(USART_TypeDef *USARTx)
		2375	{
		2376	CLEAR_BIT(USARTx->CR3, USART_CR3_DMAR);
		2377	}
		2378
		2379	/**
		2380	* @brief Check if DMA Mode is enabled for reception
		2381	* @rmtoll CR3 DMAR LL_USART_IsEnabledDMAReq_RX
		2382	* @param USARTx USART Instance
		2383	* @retval State of bit (1 or 0).
		2384	*/
		2385	__STATIC_INLINE uint32_t LL_USART_IsEnabledDMAReq_RX(USART_TypeDef *USARTx)
		2386	{
		2387	return (READ_BIT(USARTx->CR3, USART_CR3_DMAR) == (USART_CR3_DMAR));
		2388	}
		2389
		2390	/**
		2391	* @brief Enable DMA Mode for transmission
		2392	* @rmtoll CR3 DMAT LL_USART_EnableDMAReq_TX
		2393	* @param USARTx USART Instance
		2394	* @retval None
		2395	*/
		2396	__STATIC_INLINE void LL_USART_EnableDMAReq_TX(USART_TypeDef *USARTx)
		2397	{
		2398	SET_BIT(USARTx->CR3, USART_CR3_DMAT);
		2399	}
		2400
		2401	/**
		2402	* @brief Disable DMA Mode for transmission
		2403	* @rmtoll CR3 DMAT LL_USART_DisableDMAReq_TX
		2404	* @param USARTx USART Instance
		2405	* @retval None
		2406	*/
		2407	__STATIC_INLINE void LL_USART_DisableDMAReq_TX(USART_TypeDef *USARTx)
		2408	{
		2409	CLEAR_BIT(USARTx->CR3, USART_CR3_DMAT);
		2410	}
		2411
		2412	/**
		2413	* @brief Check if DMA Mode is enabled for transmission
		2414	* @rmtoll CR3 DMAT LL_USART_IsEnabledDMAReq_TX
		2415	* @param USARTx USART Instance
		2416	* @retval State of bit (1 or 0).
		2417	*/
		2418	__STATIC_INLINE uint32_t LL_USART_IsEnabledDMAReq_TX(USART_TypeDef *USARTx)
		2419	{
		2420	return (READ_BIT(USARTx->CR3, USART_CR3_DMAT) == (USART_CR3_DMAT));
		2421	}
		2422
		2423	/**
		2424	* @brief Get the data register address used for DMA transfer
		2425	* @rmtoll DR DR LL_USART_DMA_GetRegAddr
		2426	* @note Address of Data Register is valid for both Transmit and Receive transfers.
		2427	* @param USARTx USART Instance
		2428	* @retval Address of data register
		2429	*/
		2430	__STATIC_INLINE uint32_t LL_USART_DMA_GetRegAddr(USART_TypeDef *USARTx)
		2431	{
		2432	/* return address of DR register */
9	mjames	2433	return ((uint32_t) & (USARTx->DR));
2	mjames	2434	}
		2435
		2436	/**
		2437	* @}
		2438	*/
		2439
		2440	/** @defgroup USART_LL_EF_Data_Management Data_Management
		2441	* @{
		2442	*/
		2443
		2444	/**
		2445	* @brief Read Receiver Data register (Receive Data value, 8 bits)
		2446	* @rmtoll DR DR LL_USART_ReceiveData8
		2447	* @param USARTx USART Instance
		2448	* @retval Value between Min_Data=0x00 and Max_Data=0xFF
		2449	*/
		2450	__STATIC_INLINE uint8_t LL_USART_ReceiveData8(USART_TypeDef *USARTx)
		2451	{
		2452	return (uint8_t)(READ_BIT(USARTx->DR, USART_DR_DR));
		2453	}
		2454
		2455	/**
		2456	* @brief Read Receiver Data register (Receive Data value, 9 bits)
		2457	* @rmtoll DR DR LL_USART_ReceiveData9
		2458	* @param USARTx USART Instance
		2459	* @retval Value between Min_Data=0x00 and Max_Data=0x1FF
		2460	*/
		2461	__STATIC_INLINE uint16_t LL_USART_ReceiveData9(USART_TypeDef *USARTx)
		2462	{
		2463	return (uint16_t)(READ_BIT(USARTx->DR, USART_DR_DR));
		2464	}
		2465
		2466	/**
		2467	* @brief Write in Transmitter Data Register (Transmit Data value, 8 bits)
		2468	* @rmtoll DR DR LL_USART_TransmitData8
		2469	* @param USARTx USART Instance
		2470	* @param Value between Min_Data=0x00 and Max_Data=0xFF
		2471	* @retval None
		2472	*/
		2473	__STATIC_INLINE void LL_USART_TransmitData8(USART_TypeDef *USARTx, uint8_t Value)
		2474	{
		2475	USARTx->DR = Value;
		2476	}
		2477
		2478	/**
		2479	* @brief Write in Transmitter Data Register (Transmit Data value, 9 bits)
		2480	* @rmtoll DR DR LL_USART_TransmitData9
		2481	* @param USARTx USART Instance
		2482	* @param Value between Min_Data=0x00 and Max_Data=0x1FF
		2483	* @retval None
		2484	*/
		2485	__STATIC_INLINE void LL_USART_TransmitData9(USART_TypeDef *USARTx, uint16_t Value)
		2486	{
		2487	USARTx->DR = Value & 0x1FFU;
		2488	}
		2489
		2490	/**
		2491	* @}
		2492	*/
		2493
		2494	/** @defgroup USART_LL_EF_Execution Execution
		2495	* @{
		2496	*/
		2497
		2498	/**
		2499	* @brief Request Break sending
		2500	* @rmtoll CR1 SBK LL_USART_RequestBreakSending
		2501	* @param USARTx USART Instance
		2502	* @retval None
		2503	*/
		2504	__STATIC_INLINE void LL_USART_RequestBreakSending(USART_TypeDef *USARTx)
		2505	{
		2506	SET_BIT(USARTx->CR1, USART_CR1_SBK);
		2507	}
		2508
		2509	/**
		2510	* @brief Put USART in Mute mode
		2511	* @rmtoll CR1 RWU LL_USART_RequestEnterMuteMode
		2512	* @param USARTx USART Instance
		2513	* @retval None
		2514	*/
		2515	__STATIC_INLINE void LL_USART_RequestEnterMuteMode(USART_TypeDef *USARTx)
		2516	{
		2517	SET_BIT(USARTx->CR1, USART_CR1_RWU);
		2518	}
		2519
		2520	/**
		2521	* @brief Put USART in Active mode
		2522	* @rmtoll CR1 RWU LL_USART_RequestExitMuteMode
		2523	* @param USARTx USART Instance
		2524	* @retval None
		2525	*/
		2526	__STATIC_INLINE void LL_USART_RequestExitMuteMode(USART_TypeDef *USARTx)
		2527	{
		2528	CLEAR_BIT(USARTx->CR1, USART_CR1_RWU);
		2529	}
		2530
		2531	/**
		2532	* @}
		2533	*/
		2534
		2535	#if defined(USE_FULL_LL_DRIVER)
		2536	/** @defgroup USART_LL_EF_Init Initialization and de-initialization functions
		2537	* @{
		2538	*/
		2539	ErrorStatus LL_USART_DeInit(USART_TypeDef *USARTx);
		2540	ErrorStatus LL_USART_Init(USART_TypeDef USARTx, LL_USART_InitTypeDef USART_InitStruct);
		2541	void LL_USART_StructInit(LL_USART_InitTypeDef *USART_InitStruct);
		2542	ErrorStatus LL_USART_ClockInit(USART_TypeDef USARTx, LL_USART_ClockInitTypeDef USART_ClockInitStruct);
		2543	void LL_USART_ClockStructInit(LL_USART_ClockInitTypeDef *USART_ClockInitStruct);
		2544	/**
		2545	* @}
		2546	*/
		2547	#endif /* USE_FULL_LL_DRIVER */
		2548
		2549	/**
		2550	* @}
		2551	*/
		2552
		2553	/**
		2554	* @}
		2555	*/
		2556
		2557	#endif /* USART1 \|\| USART2 \|\| USART3 \|\| UART4 \|\| UART5 */
		2558
		2559	/**
		2560	* @}
		2561	*/
		2562
		2563	#ifdef __cplusplus
		2564	}
		2565	#endif
		2566
		2567	#endif /* __STM32F1xx_LL_USART_H */
		2568
		2569	/********************** (C) COPYRIGHT STMicroelectronics *END OF FILE**/

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(root)/trunk/Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_ll_usart.h – Rev 9