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

Rev	Author	Line No.	Line
2	mjames	1	/**
		2	******************************************************************************
		3	* @file stm32f1xx_ll_usart.h
		4	* @author MCD Application Team
		5	* @brief Header file of USART LL module.
		6	******************************************************************************
		7	* @attention
		8	*
		9	* <h2><center>© COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
		10	*
		11	* Redistribution and use in source and binary forms, with or without modification,
		12	* are permitted provided that the following conditions are met:
		13	* 1. Redistributions of source code must retain the above copyright notice,
		14	* this list of conditions and the following disclaimer.
		15	* 2. Redistributions in binary form must reproduce the above copyright notice,
		16	* this list of conditions and the following disclaimer in the documentation
		17	* and/or other materials provided with the distribution.
		18	* 3. Neither the name of STMicroelectronics nor the names of its contributors
		19	* may be used to endorse or promote products derived from this software
		20	* without specific prior written permission.
		21	*
		22	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
		23	* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
		24	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
		25	* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
		26	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
		27	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
		28	* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
		29	* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
		30	* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
		31	* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
		32	*
		33	******************************************************************************
		34	*/
		35
		36	/* Define to prevent recursive inclusion -------------------------------------*/
		37	#ifndef __STM32F1xx_LL_USART_H
		38	#define __STM32F1xx_LL_USART_H
		39
		40	#ifdef __cplusplus
		41	extern "C" {
		42	#endif
		43
		44	/* Includes ------------------------------------------------------------------*/
		45	#include "stm32f1xx.h"
		46
		47	/** @addtogroup STM32F1xx_LL_Driver
		48	* @{
		49	*/
		50
		51	#if defined (USART1) \|\| defined (USART2) \|\| defined (USART3) \|\| defined (UART4) \|\| defined (UART5)
		52
		53	/** @defgroup USART_LL USART
		54	* @{
		55	*/
		56
		57	/* Private types -------------------------------------------------------------*/
		58	/* Private variables ---------------------------------------------------------*/
		59
		60	/* Private constants ---------------------------------------------------------*/
		61	/** @defgroup USART_LL_Private_Constants USART Private Constants
		62	* @{
		63	*/
		64
		65	/* Defines used for the bit position in the register and perform offsets*/
		66	#define USART_POSITION_GTPR_GT USART_GTPR_GT_Pos
		67	/**
		68	* @}
		69	*/
		70
		71	/* Private macros ------------------------------------------------------------*/
		72	#if defined(USE_FULL_LL_DRIVER)
		73	/** @defgroup USART_LL_Private_Macros USART Private Macros
		74	* @{
		75	*/
		76	/**
		77	* @}
		78	*/
		79	#endif /USE_FULL_LL_DRIVER/
		80
		81	/* Exported types ------------------------------------------------------------*/
		82	#if defined(USE_FULL_LL_DRIVER)
		83	/** @defgroup USART_LL_ES_INIT USART Exported Init structures
		84	* @{
		85	*/
		86
		87	/**
		88	* @brief LL USART Init Structure definition
		89	*/
		90	typedef struct
		91	{
		92	uint32_t BaudRate; /*!< This field defines expected Usart communication baud rate.
		93
		94	This feature can be modified afterwards using unitary function @ref LL_USART_SetBaudRate().*/
		95
		96	uint32_t DataWidth; /*!< Specifies the number of data bits transmitted or received in a frame.
		97	This parameter can be a value of @ref USART_LL_EC_DATAWIDTH.
		98
		99	This feature can be modified afterwards using unitary function @ref LL_USART_SetDataWidth().*/
		100
		101	uint32_t StopBits; /*!< Specifies the number of stop bits transmitted.
		102	This parameter can be a value of @ref USART_LL_EC_STOPBITS.
		103
		104	This feature can be modified afterwards using unitary function @ref LL_USART_SetStopBitsLength().*/
		105
		106	uint32_t Parity; /*!< Specifies the parity mode.
		107	This parameter can be a value of @ref USART_LL_EC_PARITY.
		108
		109	This feature can be modified afterwards using unitary function @ref LL_USART_SetParity().*/
		110
		111	uint32_t TransferDirection; /*!< Specifies whether the Receive and/or Transmit mode is enabled or disabled.
		112	This parameter can be a value of @ref USART_LL_EC_DIRECTION.
		113
		114	This feature can be modified afterwards using unitary function @ref LL_USART_SetTransferDirection().*/
		115
		116	uint32_t HardwareFlowControl; /*!< Specifies whether the hardware flow control mode is enabled or disabled.
		117	This parameter can be a value of @ref USART_LL_EC_HWCONTROL.
		118
		119	This feature can be modified afterwards using unitary function @ref LL_USART_SetHWFlowCtrl().*/
		120
		121	#if defined(USART_CR1_OVER8)
		122	uint32_t OverSampling; /*!< Specifies whether USART oversampling mode is 16 or 8.
		123	This parameter can be a value of @ref USART_LL_EC_OVERSAMPLING.
		124
		125	This feature can be modified afterwards using unitary function @ref LL_USART_SetOverSampling().*/
		126
		127	#endif /* USART_OverSampling_Feature */
		128	} LL_USART_InitTypeDef;
		129
		130	/**
		131	* @brief LL USART Clock Init Structure definition
		132	*/
		133	typedef struct
		134	{
		135	uint32_t ClockOutput; /*!< Specifies whether the USART clock is enabled or disabled.
		136	This parameter can be a value of @ref USART_LL_EC_CLOCK.
		137
		138	USART HW configuration can be modified afterwards using unitary functions
		139	@ref LL_USART_EnableSCLKOutput() or @ref LL_USART_DisableSCLKOutput().
		140	For more details, refer to description of this function. */
		141
		142	uint32_t ClockPolarity; /*!< Specifies the steady state of the serial clock.
		143	This parameter can be a value of @ref USART_LL_EC_POLARITY.
		144
		145	USART HW configuration can be modified afterwards using unitary functions @ref LL_USART_SetClockPolarity().
		146	For more details, refer to description of this function. */
		147
		148	uint32_t ClockPhase; /*!< Specifies the clock transition on which the bit capture is made.
		149	This parameter can be a value of @ref USART_LL_EC_PHASE.
		150
		151	USART HW configuration can be modified afterwards using unitary functions @ref LL_USART_SetClockPhase().
		152	For more details, refer to description of this function. */
		153
		154	uint32_t LastBitClockPulse; /*!< Specifies whether the clock pulse corresponding to the last transmitted
		155	data bit (MSB) has to be output on the SCLK pin in synchronous mode.
		156	This parameter can be a value of @ref USART_LL_EC_LASTCLKPULSE.
		157
		158	USART HW configuration can be modified afterwards using unitary functions @ref LL_USART_SetLastClkPulseOutput().
		159	For more details, refer to description of this function. */
		160
		161	} LL_USART_ClockInitTypeDef;
		162
		163	/**
		164	* @}
		165	*/
		166	#endif /* USE_FULL_LL_DRIVER */
		167
		168	/* Exported constants --------------------------------------------------------*/
		169	/** @defgroup USART_LL_Exported_Constants USART Exported Constants
		170	* @{
		171	*/
		172
		173	/** @defgroup USART_LL_EC_GET_FLAG Get Flags Defines
		174	* @brief Flags defines which can be used with LL_USART_ReadReg function
		175	* @{
		176	*/
		177	#define LL_USART_SR_PE USART_SR_PE /!< Parity error flag /
		178	#define LL_USART_SR_FE USART_SR_FE /!< Framing error flag /
		179	#define LL_USART_SR_NE USART_SR_NE /!< Noise detected flag /
		180	#define LL_USART_SR_ORE USART_SR_ORE /!< Overrun error flag /
		181	#define LL_USART_SR_IDLE USART_SR_IDLE /!< Idle line detected flag /
		182	#define LL_USART_SR_RXNE USART_SR_RXNE /!< Read data register not empty flag /
		183	#define LL_USART_SR_TC USART_SR_TC /!< Transmission complete flag /
		184	#define LL_USART_SR_TXE USART_SR_TXE /!< Transmit data register empty flag /
		185	#define LL_USART_SR_LBD USART_SR_LBD /!< LIN break detection flag /
		186	#define LL_USART_SR_CTS USART_SR_CTS /!< CTS flag /
		187	/**
		188	* @}
		189	*/
		190
		191	/** @defgroup USART_LL_EC_IT IT Defines
		192	* @brief IT defines which can be used with LL_USART_ReadReg and LL_USART_WriteReg functions
		193	* @{
		194	*/
		195	#define LL_USART_CR1_IDLEIE USART_CR1_IDLEIE /!< IDLE interrupt enable /
		196	#define LL_USART_CR1_RXNEIE USART_CR1_RXNEIE /!< Read data register not empty interrupt enable /
		197	#define LL_USART_CR1_TCIE USART_CR1_TCIE /!< Transmission complete interrupt enable /
		198	#define LL_USART_CR1_TXEIE USART_CR1_TXEIE /!< Transmit data register empty interrupt enable /
		199	#define LL_USART_CR1_PEIE USART_CR1_PEIE /!< Parity error /
		200	#define LL_USART_CR2_LBDIE USART_CR2_LBDIE /!< LIN break detection interrupt enable /
		201	#define LL_USART_CR3_EIE USART_CR3_EIE /!< Error interrupt enable /
		202	#define LL_USART_CR3_CTSIE USART_CR3_CTSIE /!< CTS interrupt enable /
		203	/**
		204	* @}
		205	*/
		206
		207	/** @defgroup USART_LL_EC_DIRECTION Communication Direction
		208	* @{
		209	*/
		210	#define LL_USART_DIRECTION_NONE 0x00000000U /!< Transmitter and Receiver are disabled /
		211	#define LL_USART_DIRECTION_RX USART_CR1_RE /!< Transmitter is disabled and Receiver is enabled /
		212	#define LL_USART_DIRECTION_TX USART_CR1_TE /!< Transmitter is enabled and Receiver is disabled /
		213	#define LL_USART_DIRECTION_TX_RX (USART_CR1_TE \|USART_CR1_RE) /!< Transmitter and Receiver are enabled /
		214	/**
		215	* @}
		216	*/
		217
		218	/** @defgroup USART_LL_EC_PARITY Parity Control
		219	* @{
		220	*/
		221	#define LL_USART_PARITY_NONE 0x00000000U /!< Parity control disabled /
		222	#define LL_USART_PARITY_EVEN USART_CR1_PCE /!< Parity control enabled and Even Parity is selected /
		223	#define LL_USART_PARITY_ODD (USART_CR1_PCE \| USART_CR1_PS) /!< Parity control enabled and Odd Parity is selected /
		224	/**
		225	* @}
		226	*/
		227
		228	/** @defgroup USART_LL_EC_WAKEUP Wakeup
		229	* @{
		230	*/
		231	#define LL_USART_WAKEUP_IDLELINE 0x00000000U /!< USART wake up from Mute mode on Idle Line /
		232	#define LL_USART_WAKEUP_ADDRESSMARK USART_CR1_WAKE /!< USART wake up from Mute mode on Address Mark /
		233	/**
		234	* @}
		235	*/
		236
		237	/** @defgroup USART_LL_EC_DATAWIDTH Datawidth
		238	* @{
		239	*/
		240	#define LL_USART_DATAWIDTH_8B 0x00000000U /!< 8 bits word length : Start bit, 8 data bits, n stop bits /
		241	#define LL_USART_DATAWIDTH_9B USART_CR1_M /!< 9 bits word length : Start bit, 9 data bits, n stop bits /
		242	/**
		243	* @}
		244	*/
		245
		246	#if defined(USART_CR1_OVER8)
		247	/** @defgroup USART_LL_EC_OVERSAMPLING Oversampling
		248	* @{
		249	*/
		250	#define LL_USART_OVERSAMPLING_16 0x00000000U /!< Oversampling by 16 /
		251	#define LL_USART_OVERSAMPLING_8 USART_CR1_OVER8 /!< Oversampling by 8 /
		252	/**
		253	* @}
		254	*/
		255
		256	#endif /* USART_OverSampling_Feature */
		257	#if defined(USE_FULL_LL_DRIVER)
		258	/** @defgroup USART_LL_EC_CLOCK Clock Signal
		259	* @{
		260	*/
		261
		262	#define LL_USART_CLOCK_DISABLE 0x00000000U /!< Clock signal not provided /
		263	#define LL_USART_CLOCK_ENABLE USART_CR2_CLKEN /!< Clock signal provided /
		264	/**
		265	* @}
		266	*/
		267	#endif /USE_FULL_LL_DRIVER/
		268
		269	/** @defgroup USART_LL_EC_LASTCLKPULSE Last Clock Pulse
		270	* @{
		271	*/
		272	#define LL_USART_LASTCLKPULSE_NO_OUTPUT 0x00000000U /!< The clock pulse of the last data bit is not output to the SCLK pin /
		273	#define LL_USART_LASTCLKPULSE_OUTPUT USART_CR2_LBCL /!< The clock pulse of the last data bit is output to the SCLK pin /
		274	/**
		275	* @}
		276	*/
		277
		278	/** @defgroup USART_LL_EC_PHASE Clock Phase
		279	* @{
		280	*/
		281	#define LL_USART_PHASE_1EDGE 0x00000000U /!< The first clock transition is the first data capture edge /
		282	#define LL_USART_PHASE_2EDGE USART_CR2_CPHA /!< The second clock transition is the first data capture edge /
		283	/**
		284	* @}
		285	*/
		286
		287	/** @defgroup USART_LL_EC_POLARITY Clock Polarity
		288	* @{
		289	*/
		290	#define LL_USART_POLARITY_LOW 0x00000000U /!< Steady low value on SCLK pin outside transmission window/
		291	#define LL_USART_POLARITY_HIGH USART_CR2_CPOL /!< Steady high value on SCLK pin outside transmission window /
		292	/**
		293	* @}
		294	*/
		295
		296	/** @defgroup USART_LL_EC_STOPBITS Stop Bits
		297	* @{
		298	*/
		299	#define LL_USART_STOPBITS_0_5 USART_CR2_STOP_0 /!< 0.5 stop bit /
		300	#define LL_USART_STOPBITS_1 0x00000000U /!< 1 stop bit /
		301	#define LL_USART_STOPBITS_1_5 (USART_CR2_STOP_0 \| USART_CR2_STOP_1) /!< 1.5 stop bits /
		302	#define LL_USART_STOPBITS_2 USART_CR2_STOP_1 /!< 2 stop bits /
		303	/**
		304	* @}
		305	*/
		306
		307	/** @defgroup USART_LL_EC_HWCONTROL Hardware Control
		308	* @{
		309	*/
		310	#define LL_USART_HWCONTROL_NONE 0x00000000U /!< CTS and RTS hardware flow control disabled /
		311	#define LL_USART_HWCONTROL_RTS USART_CR3_RTSE /!< RTS output enabled, data is only requested when there is space in the receive buffer /
		312	#define LL_USART_HWCONTROL_CTS USART_CR3_CTSE /!< CTS mode enabled, data is only transmitted when the nCTS input is asserted (tied to 0) /
		313	#define LL_USART_HWCONTROL_RTS_CTS (USART_CR3_RTSE \| USART_CR3_CTSE) /!< CTS and RTS hardware flow control enabled /
		314	/**
		315	* @}
		316	*/
		317
		318	/** @defgroup USART_LL_EC_IRDA_POWER IrDA Power
		319	* @{
		320	*/
		321	#define LL_USART_IRDA_POWER_NORMAL 0x00000000U /!< IrDA normal power mode /
		322	#define LL_USART_IRDA_POWER_LOW USART_CR3_IRLP /!< IrDA low power mode /
		323	/**
		324	* @}
		325	*/
		326
		327	/** @defgroup USART_LL_EC_LINBREAK_DETECT LIN Break Detection Length
		328	* @{
		329	*/
		330	#define LL_USART_LINBREAK_DETECT_10B 0x00000000U /!< 10-bit break detection method selected /
		331	#define LL_USART_LINBREAK_DETECT_11B USART_CR2_LBDL /!< 11-bit break detection method selected /
		332	/**
		333	* @}
		334	*/
		335
		336	/**
		337	* @}
		338	*/
		339
		340	/* Exported macro ------------------------------------------------------------*/
		341	/** @defgroup USART_LL_Exported_Macros USART Exported Macros
		342	* @{
		343	*/
		344
		345	/** @defgroup USART_LL_EM_WRITE_READ Common Write and read registers Macros
		346	* @{
		347	*/
		348
		349	/**
		350	* @brief Write a value in USART register
		351	* @param __INSTANCE__ USART Instance
		352	* @param __REG__ Register to be written
		353	* @param __VALUE__ Value to be written in the register
		354	* @retval None
		355	*/
		356	#define LL_USART_WriteReg(__INSTANCE__, __REG__, __VALUE__) WRITE_REG(__INSTANCE__->__REG__, (__VALUE__))
		357
		358	/**
		359	* @brief Read a value in USART register
		360	* @param __INSTANCE__ USART Instance
		361	* @param __REG__ Register to be read
		362	* @retval Register value
		363	*/
		364	#define LL_USART_ReadReg(__INSTANCE__, __REG__) READ_REG(__INSTANCE__->__REG__)
		365	/**
		366	* @}
		367	*/
		368
		369	/** @defgroup USART_LL_EM_Exported_Macros_Helper Exported_Macros_Helper
		370	* @{
		371	*/
		372
		373	/**
		374	* @brief Compute USARTDIV value according to Peripheral Clock and
		375	* expected Baud Rate in 8 bits sampling mode (32 bits value of USARTDIV is returned)
		376	* @param __PERIPHCLK__ Peripheral Clock frequency used for USART instance
		377	* @param __BAUDRATE__ Baud rate value to achieve
		378	* @retval USARTDIV value to be used for BRR register filling in OverSampling_8 case
		379	*/
		380	#define __LL_USART_DIV_SAMPLING8_100(__PERIPHCLK__, __BAUDRATE__) (((__PERIPHCLK__)25)/(2(__BAUDRATE__)))
		381	#define __LL_USART_DIVMANT_SAMPLING8(__PERIPHCLK__, __BAUDRATE__) (__LL_USART_DIV_SAMPLING8_100((__PERIPHCLK__), (__BAUDRATE__))/100)
		382	#define __LL_USART_DIVFRAQ_SAMPLING8(__PERIPHCLK__, __BAUDRATE__) (((__LL_USART_DIV_SAMPLING8_100((__PERIPHCLK__), (__BAUDRATE__)) - (__LL_USART_DIVMANT_SAMPLING8((__PERIPHCLK__), (__BAUDRATE__)) * 100)) * 8 + 50) / 100)
		383	/* UART BRR = mantissa + overflow + fraction
		384	= (UART DIVMANT << 4) + ((UART DIVFRAQ & 0xF8) << 1) + (UART DIVFRAQ & 0x07) */
		385	#define __LL_USART_DIV_SAMPLING8(__PERIPHCLK__, __BAUDRATE__) (((__LL_USART_DIVMANT_SAMPLING8((__PERIPHCLK__), (__BAUDRATE__)) << 4) + \
		386	((__LL_USART_DIVFRAQ_SAMPLING8((__PERIPHCLK__), (__BAUDRATE__)) & 0xF8) << 1)) + \
		387	(__LL_USART_DIVFRAQ_SAMPLING8((__PERIPHCLK__), (__BAUDRATE__)) & 0x07))
		388
		389	/**
		390	* @brief Compute USARTDIV value according to Peripheral Clock and
		391	* expected Baud Rate in 16 bits sampling mode (32 bits value of USARTDIV is returned)
		392	* @param __PERIPHCLK__ Peripheral Clock frequency used for USART instance
		393	* @param __BAUDRATE__ Baud rate value to achieve
		394	* @retval USARTDIV value to be used for BRR register filling in OverSampling_16 case
		395	*/
		396	#define __LL_USART_DIV_SAMPLING16_100(__PERIPHCLK__, __BAUDRATE__) (((__PERIPHCLK__)25)/(4(__BAUDRATE__)))
		397	#define __LL_USART_DIVMANT_SAMPLING16(__PERIPHCLK__, __BAUDRATE__) (__LL_USART_DIV_SAMPLING16_100((__PERIPHCLK__), (__BAUDRATE__))/100)
		398	#define __LL_USART_DIVFRAQ_SAMPLING16(__PERIPHCLK__, __BAUDRATE__) (((__LL_USART_DIV_SAMPLING16_100((__PERIPHCLK__), (__BAUDRATE__)) - (__LL_USART_DIVMANT_SAMPLING16((__PERIPHCLK__), (__BAUDRATE__)) * 100)) * 16 + 50) / 100)
		399	/* USART BRR = mantissa + overflow + fraction
		400	= (USART DIVMANT << 4) + (USART DIVFRAQ & 0xF0) + (USART DIVFRAQ & 0x0F) */
		401	#define __LL_USART_DIV_SAMPLING16(__PERIPHCLK__, __BAUDRATE__) (((__LL_USART_DIVMANT_SAMPLING16((__PERIPHCLK__), (__BAUDRATE__)) << 4) + \
		402	(__LL_USART_DIVFRAQ_SAMPLING16((__PERIPHCLK__), (__BAUDRATE__)) & 0xF0)) + \
		403	(__LL_USART_DIVFRAQ_SAMPLING16((__PERIPHCLK__), (__BAUDRATE__)) & 0x0F))
		404
		405	/**
		406	* @}
		407	*/
		408
		409	/**
		410	* @}
		411	*/
		412
		413	/* Exported functions --------------------------------------------------------*/
		414
		415	/** @defgroup USART_LL_Exported_Functions USART Exported Functions
		416	* @{
		417	*/
		418
		419	/** @defgroup USART_LL_EF_Configuration Configuration functions
		420	* @{
		421	*/
		422
		423	/**
		424	* @brief USART Enable
		425	* @rmtoll CR1 UE LL_USART_Enable
		426	* @param USARTx USART Instance
		427	* @retval None
		428	*/
		429	__STATIC_INLINE void LL_USART_Enable(USART_TypeDef *USARTx)
		430	{
		431	SET_BIT(USARTx->CR1, USART_CR1_UE);
		432	}
		433
		434	/**
		435	* @brief USART Disable (all USART prescalers and outputs are disabled)
		436	* @note When USART is disabled, USART prescalers and outputs are stopped immediately,
		437	* and current operations are discarded. The configuration of the USART is kept, but all the status
		438	* flags, in the USARTx_SR are set to their default values.
		439	* @rmtoll CR1 UE LL_USART_Disable
		440	* @param USARTx USART Instance
		441	* @retval None
		442	*/
		443	__STATIC_INLINE void LL_USART_Disable(USART_TypeDef *USARTx)
		444	{
		445	CLEAR_BIT(USARTx->CR1, USART_CR1_UE);
		446	}
		447
		448	/**
		449	* @brief Indicate if USART is enabled
		450	* @rmtoll CR1 UE LL_USART_IsEnabled
		451	* @param USARTx USART Instance
		452	* @retval State of bit (1 or 0).
		453	*/
		454	__STATIC_INLINE uint32_t LL_USART_IsEnabled(USART_TypeDef *USARTx)
		455	{
		456	return (READ_BIT(USARTx->CR1, USART_CR1_UE) == (USART_CR1_UE));
		457	}
		458
		459	/**
		460	* @brief Receiver Enable (Receiver is enabled and begins searching for a start bit)
		461	* @rmtoll CR1 RE LL_USART_EnableDirectionRx
		462	* @param USARTx USART Instance
		463	* @retval None
		464	*/
		465	__STATIC_INLINE void LL_USART_EnableDirectionRx(USART_TypeDef *USARTx)
		466	{
		467	SET_BIT(USARTx->CR1, USART_CR1_RE);
		468	}
		469
		470	/**
		471	* @brief Receiver Disable
		472	* @rmtoll CR1 RE LL_USART_DisableDirectionRx
		473	* @param USARTx USART Instance
		474	* @retval None
		475	*/
		476	__STATIC_INLINE void LL_USART_DisableDirectionRx(USART_TypeDef *USARTx)
		477	{
		478	CLEAR_BIT(USARTx->CR1, USART_CR1_RE);
		479	}
		480
		481	/**
		482	* @brief Transmitter Enable
		483	* @rmtoll CR1 TE LL_USART_EnableDirectionTx
		484	* @param USARTx USART Instance
		485	* @retval None
		486	*/
		487	__STATIC_INLINE void LL_USART_EnableDirectionTx(USART_TypeDef *USARTx)
		488	{
		489	SET_BIT(USARTx->CR1, USART_CR1_TE);
		490	}
		491
		492	/**
		493	* @brief Transmitter Disable
		494	* @rmtoll CR1 TE LL_USART_DisableDirectionTx
		495	* @param USARTx USART Instance
		496	* @retval None
		497	*/
		498	__STATIC_INLINE void LL_USART_DisableDirectionTx(USART_TypeDef *USARTx)
		499	{
		500	CLEAR_BIT(USARTx->CR1, USART_CR1_TE);
		501	}
		502
		503	/**
		504	* @brief Configure simultaneously enabled/disabled states
		505	* of Transmitter and Receiver
		506	* @rmtoll CR1 RE LL_USART_SetTransferDirection\n
		507	* CR1 TE LL_USART_SetTransferDirection
		508	* @param USARTx USART Instance
		509	* @param TransferDirection This parameter can be one of the following values:
		510	* @arg @ref LL_USART_DIRECTION_NONE
		511	* @arg @ref LL_USART_DIRECTION_RX
		512	* @arg @ref LL_USART_DIRECTION_TX
		513	* @arg @ref LL_USART_DIRECTION_TX_RX
		514	* @retval None
		515	*/
		516	__STATIC_INLINE void LL_USART_SetTransferDirection(USART_TypeDef *USARTx, uint32_t TransferDirection)
		517	{
		518	MODIFY_REG(USARTx->CR1, USART_CR1_RE \| USART_CR1_TE, TransferDirection);
		519	}
		520
		521	/**
		522	* @brief Return enabled/disabled states of Transmitter and Receiver
		523	* @rmtoll CR1 RE LL_USART_GetTransferDirection\n
		524	* CR1 TE LL_USART_GetTransferDirection
		525	* @param USARTx USART Instance
		526	* @retval Returned value can be one of the following values:
		527	* @arg @ref LL_USART_DIRECTION_NONE
		528	* @arg @ref LL_USART_DIRECTION_RX
		529	* @arg @ref LL_USART_DIRECTION_TX
		530	* @arg @ref LL_USART_DIRECTION_TX_RX
		531	*/
		532	__STATIC_INLINE uint32_t LL_USART_GetTransferDirection(USART_TypeDef *USARTx)
		533	{
		534	return (uint32_t)(READ_BIT(USARTx->CR1, USART_CR1_RE \| USART_CR1_TE));
		535	}
		536
		537	/**
		538	* @brief Configure Parity (enabled/disabled and parity mode if enabled).
		539	* @note This function selects if hardware parity control (generation and detection) is enabled or disabled.
		540	* When the parity control is enabled (Odd or Even), computed parity bit is inserted at the MSB position
		541	* (9th or 8th bit depending on data width) and parity is checked on the received data.
		542	* @rmtoll CR1 PS LL_USART_SetParity\n
		543	* CR1 PCE LL_USART_SetParity
		544	* @param USARTx USART Instance
		545	* @param Parity This parameter can be one of the following values:
		546	* @arg @ref LL_USART_PARITY_NONE
		547	* @arg @ref LL_USART_PARITY_EVEN
		548	* @arg @ref LL_USART_PARITY_ODD
		549	* @retval None
		550	*/
		551	__STATIC_INLINE void LL_USART_SetParity(USART_TypeDef *USARTx, uint32_t Parity)
		552	{
		553	MODIFY_REG(USARTx->CR1, USART_CR1_PS \| USART_CR1_PCE, Parity);
		554	}
		555
		556	/**
		557	* @brief Return Parity configuration (enabled/disabled and parity mode if enabled)
		558	* @rmtoll CR1 PS LL_USART_GetParity\n
		559	* CR1 PCE LL_USART_GetParity
		560	* @param USARTx USART Instance
		561	* @retval Returned value can be one of the following values:
		562	* @arg @ref LL_USART_PARITY_NONE
		563	* @arg @ref LL_USART_PARITY_EVEN
		564	* @arg @ref LL_USART_PARITY_ODD
		565	*/
		566	__STATIC_INLINE uint32_t LL_USART_GetParity(USART_TypeDef *USARTx)
		567	{
		568	return (uint32_t)(READ_BIT(USARTx->CR1, USART_CR1_PS \| USART_CR1_PCE));
		569	}
		570
		571	/**
		572	* @brief Set Receiver Wake Up method from Mute mode.
		573	* @rmtoll CR1 WAKE LL_USART_SetWakeUpMethod
		574	* @param USARTx USART Instance
		575	* @param Method This parameter can be one of the following values:
		576	* @arg @ref LL_USART_WAKEUP_IDLELINE
		577	* @arg @ref LL_USART_WAKEUP_ADDRESSMARK
		578	* @retval None
		579	*/
		580	__STATIC_INLINE void LL_USART_SetWakeUpMethod(USART_TypeDef *USARTx, uint32_t Method)
		581	{
		582	MODIFY_REG(USARTx->CR1, USART_CR1_WAKE, Method);
		583	}
		584
		585	/**
		586	* @brief Return Receiver Wake Up method from Mute mode
		587	* @rmtoll CR1 WAKE LL_USART_GetWakeUpMethod
		588	* @param USARTx USART Instance
		589	* @retval Returned value can be one of the following values:
		590	* @arg @ref LL_USART_WAKEUP_IDLELINE
		591	* @arg @ref LL_USART_WAKEUP_ADDRESSMARK
		592	*/
		593	__STATIC_INLINE uint32_t LL_USART_GetWakeUpMethod(USART_TypeDef *USARTx)
		594	{
		595	return (uint32_t)(READ_BIT(USARTx->CR1, USART_CR1_WAKE));
		596	}
		597
		598	/**
		599	* @brief Set Word length (i.e. nb of data bits, excluding start and stop bits)
		600	* @rmtoll CR1 M LL_USART_SetDataWidth
		601	* @param USARTx USART Instance
		602	* @param DataWidth This parameter can be one of the following values:
		603	* @arg @ref LL_USART_DATAWIDTH_8B
		604	* @arg @ref LL_USART_DATAWIDTH_9B
		605	* @retval None
		606	*/
		607	__STATIC_INLINE void LL_USART_SetDataWidth(USART_TypeDef *USARTx, uint32_t DataWidth)
		608	{
		609	MODIFY_REG(USARTx->CR1, USART_CR1_M, DataWidth);
		610	}
		611
		612	/**
		613	* @brief Return Word length (i.e. nb of data bits, excluding start and stop bits)
		614	* @rmtoll CR1 M LL_USART_GetDataWidth
		615	* @param USARTx USART Instance
		616	* @retval Returned value can be one of the following values:
		617	* @arg @ref LL_USART_DATAWIDTH_8B
		618	* @arg @ref LL_USART_DATAWIDTH_9B
		619	*/
		620	__STATIC_INLINE uint32_t LL_USART_GetDataWidth(USART_TypeDef *USARTx)
		621	{
		622	return (uint32_t)(READ_BIT(USARTx->CR1, USART_CR1_M));
		623	}
		624
		625	#if defined(USART_CR1_OVER8)
		626	/**
		627	* @brief Set Oversampling to 8-bit or 16-bit mode
		628	* @rmtoll CR1 OVER8 LL_USART_SetOverSampling
		629	* @param USARTx USART Instance
		630	* @param OverSampling This parameter can be one of the following values:
		631	* @arg @ref LL_USART_OVERSAMPLING_16
		632	* @arg @ref LL_USART_OVERSAMPLING_8
		633	* @retval None
		634	*/
		635	__STATIC_INLINE void LL_USART_SetOverSampling(USART_TypeDef *USARTx, uint32_t OverSampling)
		636	{
		637	MODIFY_REG(USARTx->CR1, USART_CR1_OVER8, OverSampling);
		638	}
		639
		640	/**
		641	* @brief Return Oversampling mode
		642	* @rmtoll CR1 OVER8 LL_USART_GetOverSampling
		643	* @param USARTx USART Instance
		644	* @retval Returned value can be one of the following values:
		645	* @arg @ref LL_USART_OVERSAMPLING_16
		646	* @arg @ref LL_USART_OVERSAMPLING_8
		647	*/
		648	__STATIC_INLINE uint32_t LL_USART_GetOverSampling(USART_TypeDef *USARTx)
		649	{
		650	return (uint32_t)(READ_BIT(USARTx->CR1, USART_CR1_OVER8));
		651	}
		652
		653	#endif /* USART_OverSampling_Feature */
		654	/**
		655	* @brief Configure if Clock pulse of the last data bit is output to the SCLK pin or not
		656	* @note Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not
		657	* Synchronous mode is supported by the USARTx instance.
		658	* @rmtoll CR2 LBCL LL_USART_SetLastClkPulseOutput
		659	* @param USARTx USART Instance
		660	* @param LastBitClockPulse This parameter can be one of the following values:
		661	* @arg @ref LL_USART_LASTCLKPULSE_NO_OUTPUT
		662	* @arg @ref LL_USART_LASTCLKPULSE_OUTPUT
		663	* @retval None
		664	*/
		665	__STATIC_INLINE void LL_USART_SetLastClkPulseOutput(USART_TypeDef *USARTx, uint32_t LastBitClockPulse)
		666	{
		667	MODIFY_REG(USARTx->CR2, USART_CR2_LBCL, LastBitClockPulse);
		668	}
		669
		670	/**
		671	* @brief Retrieve Clock pulse of the last data bit output configuration
		672	* (Last bit Clock pulse output to the SCLK pin or not)
		673	* @note Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not
		674	* Synchronous mode is supported by the USARTx instance.
		675	* @rmtoll CR2 LBCL LL_USART_GetLastClkPulseOutput
		676	* @param USARTx USART Instance
		677	* @retval Returned value can be one of the following values:
		678	* @arg @ref LL_USART_LASTCLKPULSE_NO_OUTPUT
		679	* @arg @ref LL_USART_LASTCLKPULSE_OUTPUT
		680	*/
		681	__STATIC_INLINE uint32_t LL_USART_GetLastClkPulseOutput(USART_TypeDef *USARTx)
		682	{
		683	return (uint32_t)(READ_BIT(USARTx->CR2, USART_CR2_LBCL));
		684	}
		685
		686	/**
		687	* @brief Select the phase of the clock output on the SCLK pin in synchronous mode
		688	* @note Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not
		689	* Synchronous mode is supported by the USARTx instance.
		690	* @rmtoll CR2 CPHA LL_USART_SetClockPhase
		691	* @param USARTx USART Instance
		692	* @param ClockPhase This parameter can be one of the following values:
		693	* @arg @ref LL_USART_PHASE_1EDGE
		694	* @arg @ref LL_USART_PHASE_2EDGE
		695	* @retval None
		696	*/
		697	__STATIC_INLINE void LL_USART_SetClockPhase(USART_TypeDef *USARTx, uint32_t ClockPhase)
		698	{
		699	MODIFY_REG(USARTx->CR2, USART_CR2_CPHA, ClockPhase);
		700	}
		701
		702	/**
		703	* @brief Return phase of the clock output on the SCLK pin in synchronous mode
		704	* @note Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not
		705	* Synchronous mode is supported by the USARTx instance.
		706	* @rmtoll CR2 CPHA LL_USART_GetClockPhase
		707	* @param USARTx USART Instance
		708	* @retval Returned value can be one of the following values:
		709	* @arg @ref LL_USART_PHASE_1EDGE
		710	* @arg @ref LL_USART_PHASE_2EDGE
		711	*/
		712	__STATIC_INLINE uint32_t LL_USART_GetClockPhase(USART_TypeDef *USARTx)
		713	{
		714	return (uint32_t)(READ_BIT(USARTx->CR2, USART_CR2_CPHA));
		715	}
		716
		717	/**
		718	* @brief Select the polarity of the clock output on the SCLK pin in synchronous mode
		719	* @note Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not
		720	* Synchronous mode is supported by the USARTx instance.
		721	* @rmtoll CR2 CPOL LL_USART_SetClockPolarity
		722	* @param USARTx USART Instance
		723	* @param ClockPolarity This parameter can be one of the following values:
		724	* @arg @ref LL_USART_POLARITY_LOW
		725	* @arg @ref LL_USART_POLARITY_HIGH
		726	* @retval None
		727	*/
		728	__STATIC_INLINE void LL_USART_SetClockPolarity(USART_TypeDef *USARTx, uint32_t ClockPolarity)
		729	{
		730	MODIFY_REG(USARTx->CR2, USART_CR2_CPOL, ClockPolarity);
		731	}
		732
		733	/**
		734	* @brief Return polarity of the clock output on the SCLK pin in synchronous mode
		735	* @note Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not
		736	* Synchronous mode is supported by the USARTx instance.
		737	* @rmtoll CR2 CPOL LL_USART_GetClockPolarity
		738	* @param USARTx USART Instance
		739	* @retval Returned value can be one of the following values:
		740	* @arg @ref LL_USART_POLARITY_LOW
		741	* @arg @ref LL_USART_POLARITY_HIGH
		742	*/
		743	__STATIC_INLINE uint32_t LL_USART_GetClockPolarity(USART_TypeDef *USARTx)
		744	{
		745	return (uint32_t)(READ_BIT(USARTx->CR2, USART_CR2_CPOL));
		746	}
		747
		748	/**
		749	* @brief Configure Clock signal format (Phase Polarity and choice about output of last bit clock pulse)
		750	* @note Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not
		751	* Synchronous mode is supported by the USARTx instance.
		752	* @note Call of this function is equivalent to following function call sequence :
		753	* - Clock Phase configuration using @ref LL_USART_SetClockPhase() function
		754	* - Clock Polarity configuration using @ref LL_USART_SetClockPolarity() function
		755	* - Output of Last bit Clock pulse configuration using @ref LL_USART_SetLastClkPulseOutput() function
		756	* @rmtoll CR2 CPHA LL_USART_ConfigClock\n
		757	* CR2 CPOL LL_USART_ConfigClock\n
		758	* CR2 LBCL LL_USART_ConfigClock
		759	* @param USARTx USART Instance
		760	* @param Phase This parameter can be one of the following values:
		761	* @arg @ref LL_USART_PHASE_1EDGE
		762	* @arg @ref LL_USART_PHASE_2EDGE
		763	* @param Polarity This parameter can be one of the following values:
		764	* @arg @ref LL_USART_POLARITY_LOW
		765	* @arg @ref LL_USART_POLARITY_HIGH
		766	* @param LBCPOutput This parameter can be one of the following values:
		767	* @arg @ref LL_USART_LASTCLKPULSE_NO_OUTPUT
		768	* @arg @ref LL_USART_LASTCLKPULSE_OUTPUT
		769	* @retval None
		770	*/
		771	__STATIC_INLINE void LL_USART_ConfigClock(USART_TypeDef *USARTx, uint32_t Phase, uint32_t Polarity, uint32_t LBCPOutput)
		772	{
		773	MODIFY_REG(USARTx->CR2, USART_CR2_CPHA \| USART_CR2_CPOL \| USART_CR2_LBCL, Phase \| Polarity \| LBCPOutput);
		774	}
		775
		776	/**
		777	* @brief Enable Clock output on SCLK pin
		778	* @note Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not
		779	* Synchronous mode is supported by the USARTx instance.
		780	* @rmtoll CR2 CLKEN LL_USART_EnableSCLKOutput
		781	* @param USARTx USART Instance
		782	* @retval None
		783	*/
		784	__STATIC_INLINE void LL_USART_EnableSCLKOutput(USART_TypeDef *USARTx)
		785	{
		786	SET_BIT(USARTx->CR2, USART_CR2_CLKEN);
		787	}
		788
		789	/**
		790	* @brief Disable Clock output on SCLK pin
		791	* @note Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not
		792	* Synchronous mode is supported by the USARTx instance.
		793	* @rmtoll CR2 CLKEN LL_USART_DisableSCLKOutput
		794	* @param USARTx USART Instance
		795	* @retval None
		796	*/
		797	__STATIC_INLINE void LL_USART_DisableSCLKOutput(USART_TypeDef *USARTx)
		798	{
		799	CLEAR_BIT(USARTx->CR2, USART_CR2_CLKEN);
		800	}
		801
		802	/**
		803	* @brief Indicate if Clock output on SCLK pin is enabled
		804	* @note Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not
		805	* Synchronous mode is supported by the USARTx instance.
		806	* @rmtoll CR2 CLKEN LL_USART_IsEnabledSCLKOutput
		807	* @param USARTx USART Instance
		808	* @retval State of bit (1 or 0).
		809	*/
		810	__STATIC_INLINE uint32_t LL_USART_IsEnabledSCLKOutput(USART_TypeDef *USARTx)
		811	{
		812	return (READ_BIT(USARTx->CR2, USART_CR2_CLKEN) == (USART_CR2_CLKEN));
		813	}
		814
		815	/**
		816	* @brief Set the length of the stop bits
		817	* @rmtoll CR2 STOP LL_USART_SetStopBitsLength
		818	* @param USARTx USART Instance
		819	* @param StopBits This parameter can be one of the following values:
		820	* @arg @ref LL_USART_STOPBITS_0_5
		821	* @arg @ref LL_USART_STOPBITS_1
		822	* @arg @ref LL_USART_STOPBITS_1_5
		823	* @arg @ref LL_USART_STOPBITS_2
		824	* @retval None
		825	*/
		826	__STATIC_INLINE void LL_USART_SetStopBitsLength(USART_TypeDef *USARTx, uint32_t StopBits)
		827	{
		828	MODIFY_REG(USARTx->CR2, USART_CR2_STOP, StopBits);
		829	}
		830
		831	/**
		832	* @brief Retrieve the length of the stop bits
		833	* @rmtoll CR2 STOP LL_USART_GetStopBitsLength
		834	* @param USARTx USART Instance
		835	* @retval Returned value can be one of the following values:
		836	* @arg @ref LL_USART_STOPBITS_0_5
		837	* @arg @ref LL_USART_STOPBITS_1
		838	* @arg @ref LL_USART_STOPBITS_1_5
		839	* @arg @ref LL_USART_STOPBITS_2
		840	*/
		841	__STATIC_INLINE uint32_t LL_USART_GetStopBitsLength(USART_TypeDef *USARTx)
		842	{
		843	return (uint32_t)(READ_BIT(USARTx->CR2, USART_CR2_STOP));
		844	}
		845
		846	/**
		847	* @brief Configure Character frame format (Datawidth, Parity control, Stop Bits)
		848	* @note Call of this function is equivalent to following function call sequence :
		849	* - Data Width configuration using @ref LL_USART_SetDataWidth() function
		850	* - Parity Control and mode configuration using @ref LL_USART_SetParity() function
		851	* - Stop bits configuration using @ref LL_USART_SetStopBitsLength() function
		852	* @rmtoll CR1 PS LL_USART_ConfigCharacter\n
		853	* CR1 PCE LL_USART_ConfigCharacter\n
		854	* CR1 M LL_USART_ConfigCharacter\n
		855	* CR2 STOP LL_USART_ConfigCharacter
		856	* @param USARTx USART Instance
		857	* @param DataWidth This parameter can be one of the following values:
		858	* @arg @ref LL_USART_DATAWIDTH_8B
		859	* @arg @ref LL_USART_DATAWIDTH_9B
		860	* @param Parity This parameter can be one of the following values:
		861	* @arg @ref LL_USART_PARITY_NONE
		862	* @arg @ref LL_USART_PARITY_EVEN
		863	* @arg @ref LL_USART_PARITY_ODD
		864	* @param StopBits This parameter can be one of the following values:
		865	* @arg @ref LL_USART_STOPBITS_0_5
		866	* @arg @ref LL_USART_STOPBITS_1
		867	* @arg @ref LL_USART_STOPBITS_1_5
		868	* @arg @ref LL_USART_STOPBITS_2
		869	* @retval None
		870	*/
		871	__STATIC_INLINE void LL_USART_ConfigCharacter(USART_TypeDef *USARTx, uint32_t DataWidth, uint32_t Parity,
		872	uint32_t StopBits)
		873	{
		874	MODIFY_REG(USARTx->CR1, USART_CR1_PS \| USART_CR1_PCE \| USART_CR1_M, Parity \| DataWidth);
		875	MODIFY_REG(USARTx->CR2, USART_CR2_STOP, StopBits);
		876	}
		877
		878	/**
		879	* @brief Set Address of the USART node.
		880	* @note This is used in multiprocessor communication during Mute mode or Stop mode,
		881	* for wake up with address mark detection.
		882	* @rmtoll CR2 ADD LL_USART_SetNodeAddress
		883	* @param USARTx USART Instance
		884	* @param NodeAddress 4 bit Address of the USART node.
		885	* @retval None
		886	*/
		887	__STATIC_INLINE void LL_USART_SetNodeAddress(USART_TypeDef *USARTx, uint32_t NodeAddress)
		888	{
		889	MODIFY_REG(USARTx->CR2, USART_CR2_ADD, (NodeAddress & USART_CR2_ADD));
		890	}
		891
		892	/**
		893	* @brief Return 4 bit Address of the USART node as set in ADD field of CR2.
		894	* @note only 4bits (b3-b0) of returned value are relevant (b31-b4 are not relevant)
		895	* @rmtoll CR2 ADD LL_USART_GetNodeAddress
		896	* @param USARTx USART Instance
		897	* @retval Address of the USART node (Value between Min_Data=0 and Max_Data=255)
		898	*/
		899	__STATIC_INLINE uint32_t LL_USART_GetNodeAddress(USART_TypeDef *USARTx)
		900	{
		901	return (uint32_t)(READ_BIT(USARTx->CR2, USART_CR2_ADD));
		902	}
		903
		904	/**
		905	* @brief Enable RTS HW Flow Control
		906	* @note Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not
		907	* Hardware Flow control feature is supported by the USARTx instance.
		908	* @rmtoll CR3 RTSE LL_USART_EnableRTSHWFlowCtrl
		909	* @param USARTx USART Instance
		910	* @retval None
		911	*/
		912	__STATIC_INLINE void LL_USART_EnableRTSHWFlowCtrl(USART_TypeDef *USARTx)
		913	{
		914	SET_BIT(USARTx->CR3, USART_CR3_RTSE);
		915	}
		916
		917	/**
		918	* @brief Disable RTS HW Flow Control
		919	* @note Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not
		920	* Hardware Flow control feature is supported by the USARTx instance.
		921	* @rmtoll CR3 RTSE LL_USART_DisableRTSHWFlowCtrl
		922	* @param USARTx USART Instance
		923	* @retval None
		924	*/
		925	__STATIC_INLINE void LL_USART_DisableRTSHWFlowCtrl(USART_TypeDef *USARTx)
		926	{
		927	CLEAR_BIT(USARTx->CR3, USART_CR3_RTSE);
		928	}
		929
		930	/**
		931	* @brief Enable CTS HW Flow Control
		932	* @note Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not
		933	* Hardware Flow control feature is supported by the USARTx instance.
		934	* @rmtoll CR3 CTSE LL_USART_EnableCTSHWFlowCtrl
		935	* @param USARTx USART Instance
		936	* @retval None
		937	*/
		938	__STATIC_INLINE void LL_USART_EnableCTSHWFlowCtrl(USART_TypeDef *USARTx)
		939	{
		940	SET_BIT(USARTx->CR3, USART_CR3_CTSE);
		941	}
		942
		943	/**
		944	* @brief Disable CTS HW Flow Control
		945	* @note Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not
		946	* Hardware Flow control feature is supported by the USARTx instance.
		947	* @rmtoll CR3 CTSE LL_USART_DisableCTSHWFlowCtrl
		948	* @param USARTx USART Instance
		949	* @retval None
		950	*/
		951	__STATIC_INLINE void LL_USART_DisableCTSHWFlowCtrl(USART_TypeDef *USARTx)
		952	{
		953	CLEAR_BIT(USARTx->CR3, USART_CR3_CTSE);
		954	}
		955
		956	/**
		957	* @brief Configure HW Flow Control mode (both CTS and RTS)
		958	* @note Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not
		959	* Hardware Flow control feature is supported by the USARTx instance.
		960	* @rmtoll CR3 RTSE LL_USART_SetHWFlowCtrl\n
		961	* CR3 CTSE LL_USART_SetHWFlowCtrl
		962	* @param USARTx USART Instance
		963	* @param HardwareFlowControl This parameter can be one of the following values:
		964	* @arg @ref LL_USART_HWCONTROL_NONE
		965	* @arg @ref LL_USART_HWCONTROL_RTS
		966	* @arg @ref LL_USART_HWCONTROL_CTS
		967	* @arg @ref LL_USART_HWCONTROL_RTS_CTS
		968	* @retval None
		969	*/
		970	__STATIC_INLINE void LL_USART_SetHWFlowCtrl(USART_TypeDef *USARTx, uint32_t HardwareFlowControl)
		971	{
		972	MODIFY_REG(USARTx->CR3, USART_CR3_RTSE \| USART_CR3_CTSE, HardwareFlowControl);
		973	}
		974
		975	/**
		976	* @brief Return HW Flow Control configuration (both CTS and RTS)
		977	* @note Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not
		978	* Hardware Flow control feature is supported by the USARTx instance.
		979	* @rmtoll CR3 RTSE LL_USART_GetHWFlowCtrl\n
		980	* CR3 CTSE LL_USART_GetHWFlowCtrl
		981	* @param USARTx USART Instance
		982	* @retval Returned value can be one of the following values:
		983	* @arg @ref LL_USART_HWCONTROL_NONE
		984	* @arg @ref LL_USART_HWCONTROL_RTS
		985	* @arg @ref LL_USART_HWCONTROL_CTS
		986	* @arg @ref LL_USART_HWCONTROL_RTS_CTS
		987	*/
		988	__STATIC_INLINE uint32_t LL_USART_GetHWFlowCtrl(USART_TypeDef *USARTx)
		989	{
		990	return (uint32_t)(READ_BIT(USARTx->CR3, USART_CR3_RTSE \| USART_CR3_CTSE));
		991	}
		992
		993	#if defined(USART_CR3_ONEBIT)
		994	/**
		995	* @brief Enable One bit sampling method
		996	* @rmtoll CR3 ONEBIT LL_USART_EnableOneBitSamp
		997	* @param USARTx USART Instance
		998	* @retval None
		999	*/
		1000	__STATIC_INLINE void LL_USART_EnableOneBitSamp(USART_TypeDef *USARTx)
		1001	{
		1002	SET_BIT(USARTx->CR3, USART_CR3_ONEBIT);
		1003	}
		1004
		1005	/**
		1006	* @brief Disable One bit sampling method
		1007	* @rmtoll CR3 ONEBIT LL_USART_DisableOneBitSamp
		1008	* @param USARTx USART Instance
		1009	* @retval None
		1010	*/
		1011	__STATIC_INLINE void LL_USART_DisableOneBitSamp(USART_TypeDef *USARTx)
		1012	{
		1013	CLEAR_BIT(USARTx->CR3, USART_CR3_ONEBIT);
		1014	}
		1015
		1016	/**
		1017	* @brief Indicate if One bit sampling method is enabled
		1018	* @rmtoll CR3 ONEBIT LL_USART_IsEnabledOneBitSamp
		1019	* @param USARTx USART Instance
		1020	* @retval State of bit (1 or 0).
		1021	*/
		1022	__STATIC_INLINE uint32_t LL_USART_IsEnabledOneBitSamp(USART_TypeDef *USARTx)
		1023	{
		1024	return (READ_BIT(USARTx->CR3, USART_CR3_ONEBIT) == (USART_CR3_ONEBIT));
		1025	}
		1026	#endif /* USART_OneBitSampling_Feature */
		1027
		1028	#if defined(USART_CR1_OVER8)
		1029	/**
		1030	* @brief Configure USART BRR register for achieving expected Baud Rate value.
		1031	* @note Compute and set USARTDIV value in BRR Register (full BRR content)
		1032	* according to used Peripheral Clock, Oversampling mode, and expected Baud Rate values
		1033	* @note Peripheral clock and Baud rate values provided as function parameters should be valid
		1034	* (Baud rate value != 0)
		1035	* @rmtoll BRR BRR LL_USART_SetBaudRate
		1036	* @param USARTx USART Instance
		1037	* @param PeriphClk Peripheral Clock
		1038	* @param OverSampling This parameter can be one of the following values:
		1039	* @arg @ref LL_USART_OVERSAMPLING_16
		1040	* @arg @ref LL_USART_OVERSAMPLING_8
		1041	* @param BaudRate Baud Rate
		1042	* @retval None
		1043	*/
		1044	__STATIC_INLINE void LL_USART_SetBaudRate(USART_TypeDef *USARTx, uint32_t PeriphClk, uint32_t OverSampling,
		1045	uint32_t BaudRate)
		1046	{
		1047	if (OverSampling == LL_USART_OVERSAMPLING_8)
		1048	{
		1049	USARTx->BRR = (uint16_t)(__LL_USART_DIV_SAMPLING8(PeriphClk, BaudRate));
		1050	}
		1051	else
		1052	{
		1053	USARTx->BRR = (uint16_t)(__LL_USART_DIV_SAMPLING16(PeriphClk, BaudRate));
		1054	}
		1055	}
		1056
		1057	/**
		1058	* @brief Return current Baud Rate value, according to USARTDIV present in BRR register
		1059	* (full BRR content), and to used Peripheral Clock and Oversampling mode values
		1060	* @note In case of non-initialized or invalid value stored in BRR register, value 0 will be returned.
		1061	* @rmtoll BRR BRR LL_USART_GetBaudRate
		1062	* @param USARTx USART Instance
		1063	* @param PeriphClk Peripheral Clock
		1064	* @param OverSampling This parameter can be one of the following values:
		1065	* @arg @ref LL_USART_OVERSAMPLING_16
		1066	* @arg @ref LL_USART_OVERSAMPLING_8
		1067	* @retval Baud Rate
		1068	*/
		1069	__STATIC_INLINE uint32_t LL_USART_GetBaudRate(USART_TypeDef *USARTx, uint32_t PeriphClk, uint32_t OverSampling)
		1070	{
		1071	register uint32_t usartdiv = 0x0U;
		1072	register uint32_t brrresult = 0x0U;
		1073
		1074	usartdiv = USARTx->BRR;
		1075
		1076	if (OverSampling == LL_USART_OVERSAMPLING_8)
		1077	{
		1078	if ((usartdiv & 0xFFF7U) != 0U)
		1079	{
		1080	usartdiv = (uint16_t)((usartdiv & 0xFFF0U) \| ((usartdiv & 0x0007U) << 1U)) ;
		1081	brrresult = (PeriphClk * 2U) / usartdiv;
		1082	}
		1083	}
		1084	else
		1085	{
		1086	if ((usartdiv & 0xFFFFU) != 0U)
		1087	{
		1088	brrresult = PeriphClk / usartdiv;
		1089	}
		1090	}
		1091	return (brrresult);
		1092	}
		1093	#else
		1094	/**
		1095	* @brief Configure USART BRR register for achieving expected Baud Rate value.
		1096	* @note Compute and set USARTDIV value in BRR Register (full BRR content)
		1097	* according to used Peripheral Clock, Oversampling mode, and expected Baud Rate values
		1098	* @note Peripheral clock and Baud rate values provided as function parameters should be valid
		1099	* (Baud rate value != 0)
		1100	* @rmtoll BRR BRR LL_USART_SetBaudRate
		1101	* @param USARTx USART Instance
		1102	* @param PeriphClk Peripheral Clock
		1103	* @param BaudRate Baud Rate
		1104	* @retval None
		1105	*/
		1106	__STATIC_INLINE void LL_USART_SetBaudRate(USART_TypeDef *USARTx, uint32_t PeriphClk, uint32_t BaudRate)
		1107	{
		1108	USARTx->BRR = (uint16_t)(__LL_USART_DIV_SAMPLING16(PeriphClk, BaudRate));
		1109	}
		1110
		1111	/**
		1112	* @brief Return current Baud Rate value, according to USARTDIV present in BRR register
		1113	* (full BRR content), and to used Peripheral Clock and Oversampling mode values
		1114	* @note In case of non-initialized or invalid value stored in BRR register, value 0 will be returned.
		1115	* @rmtoll BRR BRR LL_USART_GetBaudRate
		1116	* @param USARTx USART Instance
		1117	* @param PeriphClk Peripheral Clock
		1118	* @retval Baud Rate
		1119	*/
		1120	__STATIC_INLINE uint32_t LL_USART_GetBaudRate(USART_TypeDef *USARTx, uint32_t PeriphClk)
		1121	{
		1122	register uint32_t usartdiv = 0x0U;
		1123	register uint32_t brrresult = 0x0U;
		1124
		1125	usartdiv = USARTx->BRR;
		1126
		1127	if ((usartdiv & 0xFFFFU) != 0U)
		1128	{
		1129	brrresult = PeriphClk / usartdiv;
		1130	}
		1131	return (brrresult);
		1132	}
		1133	#endif /* USART_OverSampling_Feature */
		1134
		1135	/**
		1136	* @}
		1137	*/
		1138
		1139	/** @defgroup USART_LL_EF_Configuration_IRDA Configuration functions related to Irda feature
		1140	* @{
		1141	*/
		1142
		1143	/**
		1144	* @brief Enable IrDA mode
		1145	* @note Macro @ref IS_IRDA_INSTANCE(USARTx) can be used to check whether or not
		1146	* IrDA feature is supported by the USARTx instance.
		1147	* @rmtoll CR3 IREN LL_USART_EnableIrda
		1148	* @param USARTx USART Instance
		1149	* @retval None
		1150	*/
		1151	__STATIC_INLINE void LL_USART_EnableIrda(USART_TypeDef *USARTx)
		1152	{
		1153	SET_BIT(USARTx->CR3, USART_CR3_IREN);
		1154	}
		1155
		1156	/**
		1157	* @brief Disable IrDA mode
		1158	* @note Macro @ref IS_IRDA_INSTANCE(USARTx) can be used to check whether or not
		1159	* IrDA feature is supported by the USARTx instance.
		1160	* @rmtoll CR3 IREN LL_USART_DisableIrda
		1161	* @param USARTx USART Instance
		1162	* @retval None
		1163	*/
		1164	__STATIC_INLINE void LL_USART_DisableIrda(USART_TypeDef *USARTx)
		1165	{
		1166	CLEAR_BIT(USARTx->CR3, USART_CR3_IREN);
		1167	}
		1168
		1169	/**
		1170	* @brief Indicate if IrDA mode is enabled
		1171	* @note Macro @ref IS_IRDA_INSTANCE(USARTx) can be used to check whether or not
		1172	* IrDA feature is supported by the USARTx instance.
		1173	* @rmtoll CR3 IREN LL_USART_IsEnabledIrda
		1174	* @param USARTx USART Instance
		1175	* @retval State of bit (1 or 0).
		1176	*/
		1177	__STATIC_INLINE uint32_t LL_USART_IsEnabledIrda(USART_TypeDef *USARTx)
		1178	{
		1179	return (READ_BIT(USARTx->CR3, USART_CR3_IREN) == (USART_CR3_IREN));
		1180	}
		1181
		1182	/**
		1183	* @brief Configure IrDA Power Mode (Normal or Low Power)
		1184	* @note Macro @ref IS_IRDA_INSTANCE(USARTx) can be used to check whether or not
		1185	* IrDA feature is supported by the USARTx instance.
		1186	* @rmtoll CR3 IRLP LL_USART_SetIrdaPowerMode
		1187	* @param USARTx USART Instance
		1188	* @param PowerMode This parameter can be one of the following values:
		1189	* @arg @ref LL_USART_IRDA_POWER_NORMAL
		1190	* @arg @ref LL_USART_IRDA_POWER_LOW
		1191	* @retval None
		1192	*/
		1193	__STATIC_INLINE void LL_USART_SetIrdaPowerMode(USART_TypeDef *USARTx, uint32_t PowerMode)
		1194	{
		1195	MODIFY_REG(USARTx->CR3, USART_CR3_IRLP, PowerMode);
		1196	}
		1197
		1198	/**
		1199	* @brief Retrieve IrDA Power Mode configuration (Normal or Low Power)
		1200	* @note Macro @ref IS_IRDA_INSTANCE(USARTx) can be used to check whether or not
		1201	* IrDA feature is supported by the USARTx instance.
		1202	* @rmtoll CR3 IRLP LL_USART_GetIrdaPowerMode
		1203	* @param USARTx USART Instance
		1204	* @retval Returned value can be one of the following values:
		1205	* @arg @ref LL_USART_IRDA_POWER_NORMAL
		1206	* @arg @ref LL_USART_PHASE_2EDGE
		1207	*/
		1208	__STATIC_INLINE uint32_t LL_USART_GetIrdaPowerMode(USART_TypeDef *USARTx)
		1209	{
		1210	return (uint32_t)(READ_BIT(USARTx->CR3, USART_CR3_IRLP));
		1211	}
		1212
		1213	/**
		1214	* @brief Set Irda prescaler value, used for dividing the USART clock source
		1215	* to achieve the Irda Low Power frequency (8 bits value)
		1216	* @note Macro @ref IS_IRDA_INSTANCE(USARTx) can be used to check whether or not
		1217	* IrDA feature is supported by the USARTx instance.
		1218	* @rmtoll GTPR PSC LL_USART_SetIrdaPrescaler
		1219	* @param USARTx USART Instance
		1220	* @param PrescalerValue Value between Min_Data=0x00 and Max_Data=0xFF
		1221	* @retval None
		1222	*/
		1223	__STATIC_INLINE void LL_USART_SetIrdaPrescaler(USART_TypeDef *USARTx, uint32_t PrescalerValue)
		1224	{
		1225	MODIFY_REG(USARTx->GTPR, USART_GTPR_PSC, PrescalerValue);
		1226	}
		1227
		1228	/**
		1229	* @brief Return Irda prescaler value, used for dividing the USART clock source
		1230	* to achieve the Irda Low Power frequency (8 bits value)
		1231	* @note Macro @ref IS_IRDA_INSTANCE(USARTx) can be used to check whether or not
		1232	* IrDA feature is supported by the USARTx instance.
		1233	* @rmtoll GTPR PSC LL_USART_GetIrdaPrescaler
		1234	* @param USARTx USART Instance
		1235	* @retval Irda prescaler value (Value between Min_Data=0x00 and Max_Data=0xFF)
		1236	*/
		1237	__STATIC_INLINE uint32_t LL_USART_GetIrdaPrescaler(USART_TypeDef *USARTx)
		1238	{
		1239	return (uint32_t)(READ_BIT(USARTx->GTPR, USART_GTPR_PSC));
		1240	}
		1241
		1242	/**
		1243	* @}
		1244	*/
		1245
		1246	/** @defgroup USART_LL_EF_Configuration_Smartcard Configuration functions related to Smartcard feature
		1247	* @{
		1248	*/
		1249
		1250	/**
		1251	* @brief Enable Smartcard NACK transmission
		1252	* @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not
		1253	* Smartcard feature is supported by the USARTx instance.
		1254	* @rmtoll CR3 NACK LL_USART_EnableSmartcardNACK
		1255	* @param USARTx USART Instance
		1256	* @retval None
		1257	*/
		1258	__STATIC_INLINE void LL_USART_EnableSmartcardNACK(USART_TypeDef *USARTx)
		1259	{
		1260	SET_BIT(USARTx->CR3, USART_CR3_NACK);
		1261	}
		1262
		1263	/**
		1264	* @brief Disable Smartcard NACK transmission
		1265	* @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not
		1266	* Smartcard feature is supported by the USARTx instance.
		1267	* @rmtoll CR3 NACK LL_USART_DisableSmartcardNACK
		1268	* @param USARTx USART Instance
		1269	* @retval None
		1270	*/
		1271	__STATIC_INLINE void LL_USART_DisableSmartcardNACK(USART_TypeDef *USARTx)
		1272	{
		1273	CLEAR_BIT(USARTx->CR3, USART_CR3_NACK);
		1274	}
		1275
		1276	/**
		1277	* @brief Indicate if Smartcard NACK transmission is enabled
		1278	* @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not
		1279	* Smartcard feature is supported by the USARTx instance.
		1280	* @rmtoll CR3 NACK LL_USART_IsEnabledSmartcardNACK
		1281	* @param USARTx USART Instance
		1282	* @retval State of bit (1 or 0).
		1283	*/
		1284	__STATIC_INLINE uint32_t LL_USART_IsEnabledSmartcardNACK(USART_TypeDef *USARTx)
		1285	{
		1286	return (READ_BIT(USARTx->CR3, USART_CR3_NACK) == (USART_CR3_NACK));
		1287	}
		1288
		1289	/**
		1290	* @brief Enable Smartcard mode
		1291	* @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not
		1292	* Smartcard feature is supported by the USARTx instance.
		1293	* @rmtoll CR3 SCEN LL_USART_EnableSmartcard
		1294	* @param USARTx USART Instance
		1295	* @retval None
		1296	*/
		1297	__STATIC_INLINE void LL_USART_EnableSmartcard(USART_TypeDef *USARTx)
		1298	{
		1299	SET_BIT(USARTx->CR3, USART_CR3_SCEN);
		1300	}
		1301
		1302	/**
		1303	* @brief Disable Smartcard mode
		1304	* @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not
		1305	* Smartcard feature is supported by the USARTx instance.
		1306	* @rmtoll CR3 SCEN LL_USART_DisableSmartcard
		1307	* @param USARTx USART Instance
		1308	* @retval None
		1309	*/
		1310	__STATIC_INLINE void LL_USART_DisableSmartcard(USART_TypeDef *USARTx)
		1311	{
		1312	CLEAR_BIT(USARTx->CR3, USART_CR3_SCEN);
		1313	}
		1314
		1315	/**
		1316	* @brief Indicate if Smartcard mode is enabled
		1317	* @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not
		1318	* Smartcard feature is supported by the USARTx instance.
		1319	* @rmtoll CR3 SCEN LL_USART_IsEnabledSmartcard
		1320	* @param USARTx USART Instance
		1321	* @retval State of bit (1 or 0).
		1322	*/
		1323	__STATIC_INLINE uint32_t LL_USART_IsEnabledSmartcard(USART_TypeDef *USARTx)
		1324	{
		1325	return (READ_BIT(USARTx->CR3, USART_CR3_SCEN) == (USART_CR3_SCEN));
		1326	}
		1327
		1328	/**
		1329	* @brief Set Smartcard prescaler value, used for dividing the USART clock
		1330	* source to provide the SMARTCARD Clock (5 bits value)
		1331	* @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not
		1332	* Smartcard feature is supported by the USARTx instance.
		1333	* @rmtoll GTPR PSC LL_USART_SetSmartcardPrescaler
		1334	* @param USARTx USART Instance
		1335	* @param PrescalerValue Value between Min_Data=0 and Max_Data=31
		1336	* @retval None
		1337	*/
		1338	__STATIC_INLINE void LL_USART_SetSmartcardPrescaler(USART_TypeDef *USARTx, uint32_t PrescalerValue)
		1339	{
		1340	MODIFY_REG(USARTx->GTPR, USART_GTPR_PSC, PrescalerValue);
		1341	}
		1342
		1343	/**
		1344	* @brief Return Smartcard prescaler value, used for dividing the USART clock
		1345	* source to provide the SMARTCARD Clock (5 bits value)
		1346	* @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not
		1347	* Smartcard feature is supported by the USARTx instance.
		1348	* @rmtoll GTPR PSC LL_USART_GetSmartcardPrescaler
		1349	* @param USARTx USART Instance
		1350	* @retval Smartcard prescaler value (Value between Min_Data=0 and Max_Data=31)
		1351	*/
		1352	__STATIC_INLINE uint32_t LL_USART_GetSmartcardPrescaler(USART_TypeDef *USARTx)
		1353	{
		1354	return (uint32_t)(READ_BIT(USARTx->GTPR, USART_GTPR_PSC));
		1355	}
		1356
		1357	/**
		1358	* @brief Set Smartcard Guard time value, expressed in nb of baud clocks periods
		1359	* (GT[7:0] bits : Guard time value)
		1360	* @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not
		1361	* Smartcard feature is supported by the USARTx instance.
		1362	* @rmtoll GTPR GT LL_USART_SetSmartcardGuardTime
		1363	* @param USARTx USART Instance
		1364	* @param GuardTime Value between Min_Data=0x00 and Max_Data=0xFF
		1365	* @retval None
		1366	*/
		1367	__STATIC_INLINE void LL_USART_SetSmartcardGuardTime(USART_TypeDef *USARTx, uint32_t GuardTime)
		1368	{
		1369	MODIFY_REG(USARTx->GTPR, USART_GTPR_GT, GuardTime << USART_POSITION_GTPR_GT);
		1370	}
		1371
		1372	/**
		1373	* @brief Return Smartcard Guard time value, expressed in nb of baud clocks periods
		1374	* (GT[7:0] bits : Guard time value)
		1375	* @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not
		1376	* Smartcard feature is supported by the USARTx instance.
		1377	* @rmtoll GTPR GT LL_USART_GetSmartcardGuardTime
		1378	* @param USARTx USART Instance
		1379	* @retval Smartcard Guard time value (Value between Min_Data=0x00 and Max_Data=0xFF)
		1380	*/
		1381	__STATIC_INLINE uint32_t LL_USART_GetSmartcardGuardTime(USART_TypeDef *USARTx)
		1382	{
		1383	return (uint32_t)(READ_BIT(USARTx->GTPR, USART_GTPR_GT) >> USART_POSITION_GTPR_GT);
		1384	}
		1385
		1386	/**
		1387	* @}
		1388	*/
		1389
		1390	/** @defgroup USART_LL_EF_Configuration_HalfDuplex Configuration functions related to Half Duplex feature
		1391	* @{
		1392	*/
		1393
		1394	/**
		1395	* @brief Enable Single Wire Half-Duplex mode
		1396	* @note Macro @ref IS_UART_HALFDUPLEX_INSTANCE(USARTx) can be used to check whether or not
		1397	* Half-Duplex mode is supported by the USARTx instance.
		1398	* @rmtoll CR3 HDSEL LL_USART_EnableHalfDuplex
		1399	* @param USARTx USART Instance
		1400	* @retval None
		1401	*/
		1402	__STATIC_INLINE void LL_USART_EnableHalfDuplex(USART_TypeDef *USARTx)
		1403	{
		1404	SET_BIT(USARTx->CR3, USART_CR3_HDSEL);
		1405	}
		1406
		1407	/**
		1408	* @brief Disable Single Wire Half-Duplex mode
		1409	* @note Macro @ref IS_UART_HALFDUPLEX_INSTANCE(USARTx) can be used to check whether or not
		1410	* Half-Duplex mode is supported by the USARTx instance.
		1411	* @rmtoll CR3 HDSEL LL_USART_DisableHalfDuplex
		1412	* @param USARTx USART Instance
		1413	* @retval None
		1414	*/
		1415	__STATIC_INLINE void LL_USART_DisableHalfDuplex(USART_TypeDef *USARTx)
		1416	{
		1417	CLEAR_BIT(USARTx->CR3, USART_CR3_HDSEL);
		1418	}
		1419
		1420	/**
		1421	* @brief Indicate if Single Wire Half-Duplex mode is enabled
		1422	* @note Macro @ref IS_UART_HALFDUPLEX_INSTANCE(USARTx) can be used to check whether or not
		1423	* Half-Duplex mode is supported by the USARTx instance.
		1424	* @rmtoll CR3 HDSEL LL_USART_IsEnabledHalfDuplex
		1425	* @param USARTx USART Instance
		1426	* @retval State of bit (1 or 0).
		1427	*/
		1428	__STATIC_INLINE uint32_t LL_USART_IsEnabledHalfDuplex(USART_TypeDef *USARTx)
		1429	{
		1430	return (READ_BIT(USARTx->CR3, USART_CR3_HDSEL) == (USART_CR3_HDSEL));
		1431	}
		1432
		1433	/**
		1434	* @}
		1435	*/
		1436
		1437	/** @defgroup USART_LL_EF_Configuration_LIN Configuration functions related to LIN feature
		1438	* @{
		1439	*/
		1440
		1441	/**
		1442	* @brief Set LIN Break Detection Length
		1443	* @note Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not
		1444	* LIN feature is supported by the USARTx instance.
		1445	* @rmtoll CR2 LBDL LL_USART_SetLINBrkDetectionLen
		1446	* @param USARTx USART Instance
		1447	* @param LINBDLength This parameter can be one of the following values:
		1448	* @arg @ref LL_USART_LINBREAK_DETECT_10B
		1449	* @arg @ref LL_USART_LINBREAK_DETECT_11B
		1450	* @retval None
		1451	*/
		1452	__STATIC_INLINE void LL_USART_SetLINBrkDetectionLen(USART_TypeDef *USARTx, uint32_t LINBDLength)
		1453	{
		1454	MODIFY_REG(USARTx->CR2, USART_CR2_LBDL, LINBDLength);
		1455	}
		1456
		1457	/**
		1458	* @brief Return LIN Break Detection Length
		1459	* @note Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not
		1460	* LIN feature is supported by the USARTx instance.
		1461	* @rmtoll CR2 LBDL LL_USART_GetLINBrkDetectionLen
		1462	* @param USARTx USART Instance
		1463	* @retval Returned value can be one of the following values:
		1464	* @arg @ref LL_USART_LINBREAK_DETECT_10B
		1465	* @arg @ref LL_USART_LINBREAK_DETECT_11B
		1466	*/
		1467	__STATIC_INLINE uint32_t LL_USART_GetLINBrkDetectionLen(USART_TypeDef *USARTx)
		1468	{
		1469	return (uint32_t)(READ_BIT(USARTx->CR2, USART_CR2_LBDL));
		1470	}
		1471
		1472	/**
		1473	* @brief Enable LIN mode
		1474	* @note Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not
		1475	* LIN feature is supported by the USARTx instance.
		1476	* @rmtoll CR2 LINEN LL_USART_EnableLIN
		1477	* @param USARTx USART Instance
		1478	* @retval None
		1479	*/
		1480	__STATIC_INLINE void LL_USART_EnableLIN(USART_TypeDef *USARTx)
		1481	{
		1482	SET_BIT(USARTx->CR2, USART_CR2_LINEN);
		1483	}
		1484
		1485	/**
		1486	* @brief Disable LIN mode
		1487	* @note Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not
		1488	* LIN feature is supported by the USARTx instance.
		1489	* @rmtoll CR2 LINEN LL_USART_DisableLIN
		1490	* @param USARTx USART Instance
		1491	* @retval None
		1492	*/
		1493	__STATIC_INLINE void LL_USART_DisableLIN(USART_TypeDef *USARTx)
		1494	{
		1495	CLEAR_BIT(USARTx->CR2, USART_CR2_LINEN);
		1496	}
		1497
		1498	/**
		1499	* @brief Indicate if LIN mode is enabled
		1500	* @note Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not
		1501	* LIN feature is supported by the USARTx instance.
		1502	* @rmtoll CR2 LINEN LL_USART_IsEnabledLIN
		1503	* @param USARTx USART Instance
		1504	* @retval State of bit (1 or 0).
		1505	*/
		1506	__STATIC_INLINE uint32_t LL_USART_IsEnabledLIN(USART_TypeDef *USARTx)
		1507	{
		1508	return (READ_BIT(USARTx->CR2, USART_CR2_LINEN) == (USART_CR2_LINEN));
		1509	}
		1510
		1511	/**
		1512	* @}
		1513	*/
		1514
		1515	/** @defgroup USART_LL_EF_AdvancedConfiguration Advanced Configurations services
		1516	* @{
		1517	*/
		1518
		1519	/**
		1520	* @brief Perform basic configuration of USART for enabling use in Asynchronous Mode (UART)
		1521	* @note In UART mode, the following bits must be kept cleared:
		1522	* - LINEN bit in the USART_CR2 register,
		1523	* - CLKEN bit in the USART_CR2 register,
		1524	* - SCEN bit in the USART_CR3 register,
		1525	* - IREN bit in the USART_CR3 register,
		1526	* - HDSEL bit in the USART_CR3 register.
		1527	* @note Call of this function is equivalent to following function call sequence :
		1528	* - Clear LINEN in CR2 using @ref LL_USART_DisableLIN() function
		1529	* - Clear CLKEN in CR2 using @ref LL_USART_DisableSCLKOutput() function
		1530	* - Clear SCEN in CR3 using @ref LL_USART_DisableSmartcard() function
		1531	* - Clear IREN in CR3 using @ref LL_USART_DisableIrda() function
		1532	* - Clear HDSEL in CR3 using @ref LL_USART_DisableHalfDuplex() function
		1533	* @note Other remaining configurations items related to Asynchronous Mode
		1534	* (as Baud Rate, Word length, Parity, ...) should be set using
		1535	* dedicated functions
		1536	* @rmtoll CR2 LINEN LL_USART_ConfigAsyncMode\n
		1537	* CR2 CLKEN LL_USART_ConfigAsyncMode\n
		1538	* CR3 SCEN LL_USART_ConfigAsyncMode\n
		1539	* CR3 IREN LL_USART_ConfigAsyncMode\n
		1540	* CR3 HDSEL LL_USART_ConfigAsyncMode
		1541	* @param USARTx USART Instance
		1542	* @retval None
		1543	*/
		1544	__STATIC_INLINE void LL_USART_ConfigAsyncMode(USART_TypeDef *USARTx)
		1545	{
		1546	/* In Asynchronous mode, the following bits must be kept cleared:
		1547	- LINEN, CLKEN bits in the USART_CR2 register,
		1548	- SCEN, IREN and HDSEL bits in the USART_CR3 register.*/
		1549	CLEAR_BIT(USARTx->CR2, (USART_CR2_LINEN \| USART_CR2_CLKEN));
		1550	CLEAR_BIT(USARTx->CR3, (USART_CR3_SCEN \| USART_CR3_IREN \| USART_CR3_HDSEL));
		1551	}
		1552
		1553	/**
		1554	* @brief Perform basic configuration of USART for enabling use in Synchronous Mode
		1555	* @note In Synchronous mode, the following bits must be kept cleared:
		1556	* - LINEN bit in the USART_CR2 register,
		1557	* - SCEN bit in the USART_CR3 register,
		1558	* - IREN bit in the USART_CR3 register,
		1559	* - HDSEL bit in the USART_CR3 register.
		1560	* This function also sets the USART in Synchronous mode.
		1561	* @note Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not
		1562	* Synchronous mode is supported by the USARTx instance.
		1563	* @note Call of this function is equivalent to following function call sequence :
		1564	* - Clear LINEN in CR2 using @ref LL_USART_DisableLIN() function
		1565	* - Clear IREN in CR3 using @ref LL_USART_DisableIrda() function
		1566	* - Clear SCEN in CR3 using @ref LL_USART_DisableSmartcard() function
		1567	* - Clear HDSEL in CR3 using @ref LL_USART_DisableHalfDuplex() function
		1568	* - Set CLKEN in CR2 using @ref LL_USART_EnableSCLKOutput() function
		1569	* @note Other remaining configurations items related to Synchronous Mode
		1570	* (as Baud Rate, Word length, Parity, Clock Polarity, ...) should be set using
		1571	* dedicated functions
		1572	* @rmtoll CR2 LINEN LL_USART_ConfigSyncMode\n
		1573	* CR2 CLKEN LL_USART_ConfigSyncMode\n
		1574	* CR3 SCEN LL_USART_ConfigSyncMode\n
		1575	* CR3 IREN LL_USART_ConfigSyncMode\n
		1576	* CR3 HDSEL LL_USART_ConfigSyncMode
		1577	* @param USARTx USART Instance
		1578	* @retval None
		1579	*/
		1580	__STATIC_INLINE void LL_USART_ConfigSyncMode(USART_TypeDef *USARTx)
		1581	{
		1582	/* In Synchronous mode, the following bits must be kept cleared:
		1583	- LINEN bit in the USART_CR2 register,
		1584	- SCEN, IREN and HDSEL bits in the USART_CR3 register.*/
		1585	CLEAR_BIT(USARTx->CR2, (USART_CR2_LINEN));
		1586	CLEAR_BIT(USARTx->CR3, (USART_CR3_SCEN \| USART_CR3_IREN \| USART_CR3_HDSEL));
		1587	/* set the UART/USART in Synchronous mode */
		1588	SET_BIT(USARTx->CR2, USART_CR2_CLKEN);
		1589	}
		1590
		1591	/**
		1592	* @brief Perform basic configuration of USART for enabling use in LIN Mode
		1593	* @note In LIN mode, the following bits must be kept cleared:
		1594	* - STOP and CLKEN bits in the USART_CR2 register,
		1595	* - SCEN bit in the USART_CR3 register,
		1596	* - IREN bit in the USART_CR3 register,
		1597	* - HDSEL bit in the USART_CR3 register.
		1598	* This function also set the UART/USART in LIN mode.
		1599	* @note Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not
		1600	* LIN feature is supported by the USARTx instance.
		1601	* @note Call of this function is equivalent to following function call sequence :
		1602	* - Clear CLKEN in CR2 using @ref LL_USART_DisableSCLKOutput() function
		1603	* - Clear STOP in CR2 using @ref LL_USART_SetStopBitsLength() function
		1604	* - Clear SCEN in CR3 using @ref LL_USART_DisableSmartcard() function
		1605	* - Clear IREN in CR3 using @ref LL_USART_DisableIrda() function
		1606	* - Clear HDSEL in CR3 using @ref LL_USART_DisableHalfDuplex() function
		1607	* - Set LINEN in CR2 using @ref LL_USART_EnableLIN() function
		1608	* @note Other remaining configurations items related to LIN Mode
		1609	* (as Baud Rate, Word length, LIN Break Detection Length, ...) should be set using
		1610	* dedicated functions
		1611	* @rmtoll CR2 CLKEN LL_USART_ConfigLINMode\n
		1612	* CR2 STOP LL_USART_ConfigLINMode\n
		1613	* CR2 LINEN LL_USART_ConfigLINMode\n
		1614	* CR3 IREN LL_USART_ConfigLINMode\n
		1615	* CR3 SCEN LL_USART_ConfigLINMode\n
		1616	* CR3 HDSEL LL_USART_ConfigLINMode
		1617	* @param USARTx USART Instance
		1618	* @retval None
		1619	*/
		1620	__STATIC_INLINE void LL_USART_ConfigLINMode(USART_TypeDef *USARTx)
		1621	{
		1622	/* In LIN mode, the following bits must be kept cleared:
		1623	- STOP and CLKEN bits in the USART_CR2 register,
		1624	- IREN, SCEN and HDSEL bits in the USART_CR3 register.*/
		1625	CLEAR_BIT(USARTx->CR2, (USART_CR2_CLKEN \| USART_CR2_STOP));
		1626	CLEAR_BIT(USARTx->CR3, (USART_CR3_IREN \| USART_CR3_SCEN \| USART_CR3_HDSEL));
		1627	/* Set the UART/USART in LIN mode */
		1628	SET_BIT(USARTx->CR2, USART_CR2_LINEN);
		1629	}
		1630
		1631	/**
		1632	* @brief Perform basic configuration of USART for enabling use in Half Duplex Mode
		1633	* @note In Half Duplex mode, the following bits must be kept cleared:
		1634	* - LINEN bit in the USART_CR2 register,
		1635	* - CLKEN bit in the USART_CR2 register,
		1636	* - SCEN bit in the USART_CR3 register,
		1637	* - IREN bit in the USART_CR3 register,
		1638	* This function also sets the UART/USART in Half Duplex mode.
		1639	* @note Macro @ref IS_UART_HALFDUPLEX_INSTANCE(USARTx) can be used to check whether or not
		1640	* Half-Duplex mode is supported by the USARTx instance.
		1641	* @note Call of this function is equivalent to following function call sequence :
		1642	* - Clear LINEN in CR2 using @ref LL_USART_DisableLIN() function
		1643	* - Clear CLKEN in CR2 using @ref LL_USART_DisableSCLKOutput() function
		1644	* - Clear SCEN in CR3 using @ref LL_USART_DisableSmartcard() function
		1645	* - Clear IREN in CR3 using @ref LL_USART_DisableIrda() function
		1646	* - Set HDSEL in CR3 using @ref LL_USART_EnableHalfDuplex() function
		1647	* @note Other remaining configurations items related to Half Duplex Mode
		1648	* (as Baud Rate, Word length, Parity, ...) should be set using
		1649	* dedicated functions
		1650	* @rmtoll CR2 LINEN LL_USART_ConfigHalfDuplexMode\n
		1651	* CR2 CLKEN LL_USART_ConfigHalfDuplexMode\n
		1652	* CR3 HDSEL LL_USART_ConfigHalfDuplexMode\n
		1653	* CR3 SCEN LL_USART_ConfigHalfDuplexMode\n
		1654	* CR3 IREN LL_USART_ConfigHalfDuplexMode
		1655	* @param USARTx USART Instance
		1656	* @retval None
		1657	*/
		1658	__STATIC_INLINE void LL_USART_ConfigHalfDuplexMode(USART_TypeDef *USARTx)
		1659	{
		1660	/* In Half Duplex mode, the following bits must be kept cleared:
		1661	- LINEN and CLKEN bits in the USART_CR2 register,
		1662	- SCEN and IREN bits in the USART_CR3 register.*/
		1663	CLEAR_BIT(USARTx->CR2, (USART_CR2_LINEN \| USART_CR2_CLKEN));
		1664	CLEAR_BIT(USARTx->CR3, (USART_CR3_SCEN \| USART_CR3_IREN));
		1665	/* set the UART/USART in Half Duplex mode */
		1666	SET_BIT(USARTx->CR3, USART_CR3_HDSEL);
		1667	}
		1668
		1669	/**
		1670	* @brief Perform basic configuration of USART for enabling use in Smartcard Mode
		1671	* @note In Smartcard mode, the following bits must be kept cleared:
		1672	* - LINEN bit in the USART_CR2 register,
		1673	* - IREN bit in the USART_CR3 register,
		1674	* - HDSEL bit in the USART_CR3 register.
		1675	* This function also configures Stop bits to 1.5 bits and
		1676	* sets the USART in Smartcard mode (SCEN bit).
		1677	* Clock Output is also enabled (CLKEN).
		1678	* @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not
		1679	* Smartcard feature is supported by the USARTx instance.
		1680	* @note Call of this function is equivalent to following function call sequence :
		1681	* - Clear LINEN in CR2 using @ref LL_USART_DisableLIN() function
		1682	* - Clear IREN in CR3 using @ref LL_USART_DisableIrda() function
		1683	* - Clear HDSEL in CR3 using @ref LL_USART_DisableHalfDuplex() function
		1684	* - Configure STOP in CR2 using @ref LL_USART_SetStopBitsLength() function
		1685	* - Set CLKEN in CR2 using @ref LL_USART_EnableSCLKOutput() function
		1686	* - Set SCEN in CR3 using @ref LL_USART_EnableSmartcard() function
		1687	* @note Other remaining configurations items related to Smartcard Mode
		1688	* (as Baud Rate, Word length, Parity, ...) should be set using
		1689	* dedicated functions
		1690	* @rmtoll CR2 LINEN LL_USART_ConfigSmartcardMode\n
		1691	* CR2 STOP LL_USART_ConfigSmartcardMode\n
		1692	* CR2 CLKEN LL_USART_ConfigSmartcardMode\n
		1693	* CR3 HDSEL LL_USART_ConfigSmartcardMode\n
		1694	* CR3 SCEN LL_USART_ConfigSmartcardMode
		1695	* @param USARTx USART Instance
		1696	* @retval None
		1697	*/
		1698	__STATIC_INLINE void LL_USART_ConfigSmartcardMode(USART_TypeDef *USARTx)
		1699	{
		1700	/* In Smartcard mode, the following bits must be kept cleared:
		1701	- LINEN bit in the USART_CR2 register,
		1702	- IREN and HDSEL bits in the USART_CR3 register.*/
		1703	CLEAR_BIT(USARTx->CR2, (USART_CR2_LINEN));
		1704	CLEAR_BIT(USARTx->CR3, (USART_CR3_IREN \| USART_CR3_HDSEL));
		1705	/* Configure Stop bits to 1.5 bits */
		1706	/* Synchronous mode is activated by default */
		1707	SET_BIT(USARTx->CR2, (USART_CR2_STOP_0 \| USART_CR2_STOP_1 \| USART_CR2_CLKEN));
		1708	/* set the UART/USART in Smartcard mode */
		1709	SET_BIT(USARTx->CR3, USART_CR3_SCEN);
		1710	}
		1711
		1712	/**
		1713	* @brief Perform basic configuration of USART for enabling use in Irda Mode
		1714	* @note In IRDA mode, the following bits must be kept cleared:
		1715	* - LINEN bit in the USART_CR2 register,
		1716	* - STOP and CLKEN bits in the USART_CR2 register,
		1717	* - SCEN bit in the USART_CR3 register,
		1718	* - HDSEL bit in the USART_CR3 register.
		1719	* This function also sets the UART/USART in IRDA mode (IREN bit).
		1720	* @note Macro @ref IS_IRDA_INSTANCE(USARTx) can be used to check whether or not
		1721	* IrDA feature is supported by the USARTx instance.
		1722	* @note Call of this function is equivalent to following function call sequence :
		1723	* - Clear LINEN in CR2 using @ref LL_USART_DisableLIN() function
		1724	* - Clear CLKEN in CR2 using @ref LL_USART_DisableSCLKOutput() function
		1725	* - Clear SCEN in CR3 using @ref LL_USART_DisableSmartcard() function
		1726	* - Clear HDSEL in CR3 using @ref LL_USART_DisableHalfDuplex() function
		1727	* - Configure STOP in CR2 using @ref LL_USART_SetStopBitsLength() function
		1728	* - Set IREN in CR3 using @ref LL_USART_EnableIrda() function
		1729	* @note Other remaining configurations items related to Irda Mode
		1730	* (as Baud Rate, Word length, Power mode, ...) should be set using
		1731	* dedicated functions
		1732	* @rmtoll CR2 LINEN LL_USART_ConfigIrdaMode\n
		1733	* CR2 CLKEN LL_USART_ConfigIrdaMode\n
		1734	* CR2 STOP LL_USART_ConfigIrdaMode\n
		1735	* CR3 SCEN LL_USART_ConfigIrdaMode\n
		1736	* CR3 HDSEL LL_USART_ConfigIrdaMode\n
		1737	* CR3 IREN LL_USART_ConfigIrdaMode
		1738	* @param USARTx USART Instance
		1739	* @retval None
		1740	*/
		1741	__STATIC_INLINE void LL_USART_ConfigIrdaMode(USART_TypeDef *USARTx)
		1742	{
		1743	/* In IRDA mode, the following bits must be kept cleared:
		1744	- LINEN, STOP and CLKEN bits in the USART_CR2 register,
		1745	- SCEN and HDSEL bits in the USART_CR3 register.*/
		1746	CLEAR_BIT(USARTx->CR2, (USART_CR2_LINEN \| USART_CR2_CLKEN \| USART_CR2_STOP));
		1747	CLEAR_BIT(USARTx->CR3, (USART_CR3_SCEN \| USART_CR3_HDSEL));
		1748	/* set the UART/USART in IRDA mode */
		1749	SET_BIT(USARTx->CR3, USART_CR3_IREN);
		1750	}
		1751
		1752	/**
		1753	* @brief Perform basic configuration of USART for enabling use in Multi processor Mode
		1754	* (several USARTs connected in a network, one of the USARTs can be the master,
		1755	* its TX output connected to the RX inputs of the other slaves USARTs).
		1756	* @note In MultiProcessor mode, the following bits must be kept cleared:
		1757	* - LINEN bit in the USART_CR2 register,
		1758	* - CLKEN bit in the USART_CR2 register,
		1759	* - SCEN bit in the USART_CR3 register,
		1760	* - IREN bit in the USART_CR3 register,
		1761	* - HDSEL bit in the USART_CR3 register.
		1762	* @note Call of this function is equivalent to following function call sequence :
		1763	* - Clear LINEN in CR2 using @ref LL_USART_DisableLIN() function
		1764	* - Clear CLKEN in CR2 using @ref LL_USART_DisableSCLKOutput() function
		1765	* - Clear SCEN in CR3 using @ref LL_USART_DisableSmartcard() function
		1766	* - Clear IREN in CR3 using @ref LL_USART_DisableIrda() function
		1767	* - Clear HDSEL in CR3 using @ref LL_USART_DisableHalfDuplex() function
		1768	* @note Other remaining configurations items related to Multi processor Mode
		1769	* (as Baud Rate, Wake Up Method, Node address, ...) should be set using
		1770	* dedicated functions
		1771	* @rmtoll CR2 LINEN LL_USART_ConfigMultiProcessMode\n
		1772	* CR2 CLKEN LL_USART_ConfigMultiProcessMode\n
		1773	* CR3 SCEN LL_USART_ConfigMultiProcessMode\n
		1774	* CR3 HDSEL LL_USART_ConfigMultiProcessMode\n
		1775	* CR3 IREN LL_USART_ConfigMultiProcessMode
		1776	* @param USARTx USART Instance
		1777	* @retval None
		1778	*/
		1779	__STATIC_INLINE void LL_USART_ConfigMultiProcessMode(USART_TypeDef *USARTx)
		1780	{
		1781	/* In Multi Processor mode, the following bits must be kept cleared:
		1782	- LINEN and CLKEN bits in the USART_CR2 register,
		1783	- IREN, SCEN and HDSEL bits in the USART_CR3 register.*/
		1784	CLEAR_BIT(USARTx->CR2, (USART_CR2_LINEN \| USART_CR2_CLKEN));
		1785	CLEAR_BIT(USARTx->CR3, (USART_CR3_SCEN \| USART_CR3_HDSEL \| USART_CR3_IREN));
		1786	}
		1787
		1788	/**
		1789	* @}
		1790	*/
		1791
		1792	/** @defgroup USART_LL_EF_FLAG_Management FLAG_Management
		1793	* @{
		1794	*/
		1795
		1796	/**
		1797	* @brief Check if the USART Parity Error Flag is set or not
		1798	* @rmtoll SR PE LL_USART_IsActiveFlag_PE
		1799	* @param USARTx USART Instance
		1800	* @retval State of bit (1 or 0).
		1801	*/
		1802	__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_PE(USART_TypeDef *USARTx)
		1803	{
		1804	return (READ_BIT(USARTx->SR, USART_SR_PE) == (USART_SR_PE));
		1805	}
		1806
		1807	/**
		1808	* @brief Check if the USART Framing Error Flag is set or not
		1809	* @rmtoll SR FE LL_USART_IsActiveFlag_FE
		1810	* @param USARTx USART Instance
		1811	* @retval State of bit (1 or 0).
		1812	*/
		1813	__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_FE(USART_TypeDef *USARTx)
		1814	{
		1815	return (READ_BIT(USARTx->SR, USART_SR_FE) == (USART_SR_FE));
		1816	}
		1817
		1818	/**
		1819	* @brief Check if the USART Noise error detected Flag is set or not
		1820	* @rmtoll SR NF LL_USART_IsActiveFlag_NE
		1821	* @param USARTx USART Instance
		1822	* @retval State of bit (1 or 0).
		1823	*/
		1824	__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_NE(USART_TypeDef *USARTx)
		1825	{
		1826	return (READ_BIT(USARTx->SR, USART_SR_NE) == (USART_SR_NE));
		1827	}
		1828
		1829	/**
		1830	* @brief Check if the USART OverRun Error Flag is set or not
		1831	* @rmtoll SR ORE LL_USART_IsActiveFlag_ORE
		1832	* @param USARTx USART Instance
		1833	* @retval State of bit (1 or 0).
		1834	*/
		1835	__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_ORE(USART_TypeDef *USARTx)
		1836	{
		1837	return (READ_BIT(USARTx->SR, USART_SR_ORE) == (USART_SR_ORE));
		1838	}
		1839
		1840	/**
		1841	* @brief Check if the USART IDLE line detected Flag is set or not
		1842	* @rmtoll SR IDLE LL_USART_IsActiveFlag_IDLE
		1843	* @param USARTx USART Instance
		1844	* @retval State of bit (1 or 0).
		1845	*/
		1846	__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_IDLE(USART_TypeDef *USARTx)
		1847	{
		1848	return (READ_BIT(USARTx->SR, USART_SR_IDLE) == (USART_SR_IDLE));
		1849	}
		1850
		1851	/**
		1852	* @brief Check if the USART Read Data Register Not Empty Flag is set or not
		1853	* @rmtoll SR RXNE LL_USART_IsActiveFlag_RXNE
		1854	* @param USARTx USART Instance
		1855	* @retval State of bit (1 or 0).
		1856	*/
		1857	__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_RXNE(USART_TypeDef *USARTx)
		1858	{
		1859	return (READ_BIT(USARTx->SR, USART_SR_RXNE) == (USART_SR_RXNE));
		1860	}
		1861
		1862	/**
		1863	* @brief Check if the USART Transmission Complete Flag is set or not
		1864	* @rmtoll SR TC LL_USART_IsActiveFlag_TC
		1865	* @param USARTx USART Instance
		1866	* @retval State of bit (1 or 0).
		1867	*/
		1868	__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_TC(USART_TypeDef *USARTx)
		1869	{
		1870	return (READ_BIT(USARTx->SR, USART_SR_TC) == (USART_SR_TC));
		1871	}
		1872
		1873	/**
		1874	* @brief Check if the USART Transmit Data Register Empty Flag is set or not
		1875	* @rmtoll SR TXE LL_USART_IsActiveFlag_TXE
		1876	* @param USARTx USART Instance
		1877	* @retval State of bit (1 or 0).
		1878	*/
		1879	__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_TXE(USART_TypeDef *USARTx)
		1880	{
		1881	return (READ_BIT(USARTx->SR, USART_SR_TXE) == (USART_SR_TXE));
		1882	}
		1883
		1884	/**
		1885	* @brief Check if the USART LIN Break Detection Flag is set or not
		1886	* @note Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not
		1887	* LIN feature is supported by the USARTx instance.
		1888	* @rmtoll SR LBD LL_USART_IsActiveFlag_LBD
		1889	* @param USARTx USART Instance
		1890	* @retval State of bit (1 or 0).
		1891	*/
		1892	__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_LBD(USART_TypeDef *USARTx)
		1893	{
		1894	return (READ_BIT(USARTx->SR, USART_SR_LBD) == (USART_SR_LBD));
		1895	}
		1896
		1897	/**
		1898	* @brief Check if the USART CTS Flag is set or not
		1899	* @note Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not
		1900	* Hardware Flow control feature is supported by the USARTx instance.
		1901	* @rmtoll SR CTS LL_USART_IsActiveFlag_nCTS
		1902	* @param USARTx USART Instance
		1903	* @retval State of bit (1 or 0).
		1904	*/
		1905	__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_nCTS(USART_TypeDef *USARTx)
		1906	{
		1907	return (READ_BIT(USARTx->SR, USART_SR_CTS) == (USART_SR_CTS));
		1908	}
		1909
		1910	/**
		1911	* @brief Check if the USART Send Break Flag is set or not
		1912	* @rmtoll CR1 SBK LL_USART_IsActiveFlag_SBK
		1913	* @param USARTx USART Instance
		1914	* @retval State of bit (1 or 0).
		1915	*/
		1916	__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_SBK(USART_TypeDef *USARTx)
		1917	{
		1918	return (READ_BIT(USARTx->CR1, USART_CR1_SBK) == (USART_CR1_SBK));
		1919	}
		1920
		1921	/**
		1922	* @brief Check if the USART Receive Wake Up from mute mode Flag is set or not
		1923	* @rmtoll CR1 RWU LL_USART_IsActiveFlag_RWU
		1924	* @param USARTx USART Instance
		1925	* @retval State of bit (1 or 0).
		1926	*/
		1927	__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_RWU(USART_TypeDef *USARTx)
		1928	{
		1929	return (READ_BIT(USARTx->CR1, USART_CR1_RWU) == (USART_CR1_RWU));
		1930	}
		1931
		1932	/**
		1933	* @brief Clear Parity Error Flag
		1934	* @note Clearing this flag is done by a read access to the USARTx_SR
		1935	* register followed by a read access to the USARTx_DR register.
		1936	* @note Please also consider that when clearing this flag, other flags as
		1937	* NE, FE, ORE, IDLE would also be cleared.
		1938	* @rmtoll SR PE LL_USART_ClearFlag_PE
		1939	* @param USARTx USART Instance
		1940	* @retval None
		1941	*/
		1942	__STATIC_INLINE void LL_USART_ClearFlag_PE(USART_TypeDef *USARTx)
		1943	{
		1944	__IO uint32_t tmpreg;
		1945	tmpreg = USARTx->SR;
		1946	(void) tmpreg;
		1947	tmpreg = USARTx->DR;
		1948	(void) tmpreg;
		1949	}
		1950
		1951	/**
		1952	* @brief Clear Framing Error Flag
		1953	* @note Clearing this flag is done by a read access to the USARTx_SR
		1954	* register followed by a read access to the USARTx_DR register.
		1955	* @note Please also consider that when clearing this flag, other flags as
		1956	* PE, NE, ORE, IDLE would also be cleared.
		1957	* @rmtoll SR FE LL_USART_ClearFlag_FE
		1958	* @param USARTx USART Instance
		1959	* @retval None
		1960	*/
		1961	__STATIC_INLINE void LL_USART_ClearFlag_FE(USART_TypeDef *USARTx)
		1962	{
		1963	__IO uint32_t tmpreg;
		1964	tmpreg = USARTx->SR;
		1965	(void) tmpreg;
		1966	tmpreg = USARTx->DR;
		1967	(void) tmpreg;
		1968	}
		1969
		1970	/**
		1971	* @brief Clear Noise detected Flag
		1972	* @note Clearing this flag is done by a read access to the USARTx_SR
		1973	* register followed by a read access to the USARTx_DR register.
		1974	* @note Please also consider that when clearing this flag, other flags as
		1975	* PE, FE, ORE, IDLE would also be cleared.
		1976	* @rmtoll SR NF LL_USART_ClearFlag_NE
		1977	* @param USARTx USART Instance
		1978	* @retval None
		1979	*/
		1980	__STATIC_INLINE void LL_USART_ClearFlag_NE(USART_TypeDef *USARTx)
		1981	{
		1982	__IO uint32_t tmpreg;
		1983	tmpreg = USARTx->SR;
		1984	(void) tmpreg;
		1985	tmpreg = USARTx->DR;
		1986	(void) tmpreg;
		1987	}
		1988
		1989	/**
		1990	* @brief Clear OverRun Error Flag
		1991	* @note Clearing this flag is done by a read access to the USARTx_SR
		1992	* register followed by a read access to the USARTx_DR register.
		1993	* @note Please also consider that when clearing this flag, other flags as
		1994	* PE, NE, FE, IDLE would also be cleared.
		1995	* @rmtoll SR ORE LL_USART_ClearFlag_ORE
		1996	* @param USARTx USART Instance
		1997	* @retval None
		1998	*/
		1999	__STATIC_INLINE void LL_USART_ClearFlag_ORE(USART_TypeDef *USARTx)
		2000	{
		2001	__IO uint32_t tmpreg;
		2002	tmpreg = USARTx->SR;
		2003	(void) tmpreg;
		2004	tmpreg = USARTx->DR;
		2005	(void) tmpreg;
		2006	}
		2007
		2008	/**
		2009	* @brief Clear IDLE line detected Flag
		2010	* @note Clearing this flag is done by a read access to the USARTx_SR
		2011	* register followed by a read access to the USARTx_DR register.
		2012	* @note Please also consider that when clearing this flag, other flags as
		2013	* PE, NE, FE, ORE would also be cleared.
		2014	* @rmtoll SR IDLE LL_USART_ClearFlag_IDLE
		2015	* @param USARTx USART Instance
		2016	* @retval None
		2017	*/
		2018	__STATIC_INLINE void LL_USART_ClearFlag_IDLE(USART_TypeDef *USARTx)
		2019	{
		2020	__IO uint32_t tmpreg;
		2021	tmpreg = USARTx->SR;
		2022	(void) tmpreg;
		2023	tmpreg = USARTx->DR;
		2024	(void) tmpreg;
		2025	}
		2026
		2027	/**
		2028	* @brief Clear Transmission Complete Flag
		2029	* @rmtoll SR TC LL_USART_ClearFlag_TC
		2030	* @param USARTx USART Instance
		2031	* @retval None
		2032	*/
		2033	__STATIC_INLINE void LL_USART_ClearFlag_TC(USART_TypeDef *USARTx)
		2034	{
		2035	WRITE_REG(USARTx->SR , ~(USART_SR_TC));
		2036	}
		2037
		2038	/**
		2039	* @brief Clear RX Not Empty Flag
		2040	* @rmtoll SR RXNE LL_USART_ClearFlag_RXNE
		2041	* @param USARTx USART Instance
		2042	* @retval None
		2043	*/
		2044	__STATIC_INLINE void LL_USART_ClearFlag_RXNE(USART_TypeDef *USARTx)
		2045	{
		2046	WRITE_REG(USARTx->SR , ~(USART_SR_RXNE));
		2047	}
		2048
		2049	/**
		2050	* @brief Clear LIN Break Detection Flag
		2051	* @note Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not
		2052	* LIN feature is supported by the USARTx instance.
		2053	* @rmtoll SR LBD LL_USART_ClearFlag_LBD
		2054	* @param USARTx USART Instance
		2055	* @retval None
		2056	*/
		2057	__STATIC_INLINE void LL_USART_ClearFlag_LBD(USART_TypeDef *USARTx)
		2058	{
		2059	WRITE_REG(USARTx->SR , ~(USART_SR_LBD));
		2060	}
		2061
		2062	/**
		2063	* @brief Clear CTS Interrupt Flag
		2064	* @note Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not
		2065	* Hardware Flow control feature is supported by the USARTx instance.
		2066	* @rmtoll SR CTS LL_USART_ClearFlag_nCTS
		2067	* @param USARTx USART Instance
		2068	* @retval None
		2069	*/
		2070	__STATIC_INLINE void LL_USART_ClearFlag_nCTS(USART_TypeDef *USARTx)
		2071	{
		2072	WRITE_REG(USARTx->SR , ~(USART_SR_CTS));
		2073	}
		2074
		2075	/**
		2076	* @}
		2077	*/
		2078
		2079	/** @defgroup USART_LL_EF_IT_Management IT_Management
		2080	* @{
		2081	*/
		2082
		2083	/**
		2084	* @brief Enable IDLE Interrupt
		2085	* @rmtoll CR1 IDLEIE LL_USART_EnableIT_IDLE
		2086	* @param USARTx USART Instance
		2087	* @retval None
		2088	*/
		2089	__STATIC_INLINE void LL_USART_EnableIT_IDLE(USART_TypeDef *USARTx)
		2090	{
		2091	SET_BIT(USARTx->CR1, USART_CR1_IDLEIE);
		2092	}
		2093
		2094	/**
		2095	* @brief Enable RX Not Empty Interrupt
		2096	* @rmtoll CR1 RXNEIE LL_USART_EnableIT_RXNE
		2097	* @param USARTx USART Instance
		2098	* @retval None
		2099	*/
		2100	__STATIC_INLINE void LL_USART_EnableIT_RXNE(USART_TypeDef *USARTx)
		2101	{
		2102	SET_BIT(USARTx->CR1, USART_CR1_RXNEIE);
		2103	}
		2104
		2105	/**
		2106	* @brief Enable Transmission Complete Interrupt
		2107	* @rmtoll CR1 TCIE LL_USART_EnableIT_TC
		2108	* @param USARTx USART Instance
		2109	* @retval None
		2110	*/
		2111	__STATIC_INLINE void LL_USART_EnableIT_TC(USART_TypeDef *USARTx)
		2112	{
		2113	SET_BIT(USARTx->CR1, USART_CR1_TCIE);
		2114	}
		2115
		2116	/**
		2117	* @brief Enable TX Empty Interrupt
		2118	* @rmtoll CR1 TXEIE LL_USART_EnableIT_TXE
		2119	* @param USARTx USART Instance
		2120	* @retval None
		2121	*/
		2122	__STATIC_INLINE void LL_USART_EnableIT_TXE(USART_TypeDef *USARTx)
		2123	{
		2124	SET_BIT(USARTx->CR1, USART_CR1_TXEIE);
		2125	}
		2126
		2127	/**
		2128	* @brief Enable Parity Error Interrupt
		2129	* @rmtoll CR1 PEIE LL_USART_EnableIT_PE
		2130	* @param USARTx USART Instance
		2131	* @retval None
		2132	*/
		2133	__STATIC_INLINE void LL_USART_EnableIT_PE(USART_TypeDef *USARTx)
		2134	{
		2135	SET_BIT(USARTx->CR1, USART_CR1_PEIE);
		2136	}
		2137
		2138	/**
		2139	* @brief Enable LIN Break Detection Interrupt
		2140	* @note Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not
		2141	* LIN feature is supported by the USARTx instance.
		2142	* @rmtoll CR2 LBDIE LL_USART_EnableIT_LBD
		2143	* @param USARTx USART Instance
		2144	* @retval None
		2145	*/
		2146	__STATIC_INLINE void LL_USART_EnableIT_LBD(USART_TypeDef *USARTx)
		2147	{
		2148	SET_BIT(USARTx->CR2, USART_CR2_LBDIE);
		2149	}
		2150
		2151	/**
		2152	* @brief Enable Error Interrupt
		2153	* @note When set, Error Interrupt Enable Bit is enabling interrupt generation in case of a framing
		2154	* error, overrun error or noise flag (FE=1 or ORE=1 or NF=1 in the USARTx_SR register).
		2155	* 0: Interrupt is inhibited
		2156	* 1: An interrupt is generated when FE=1 or ORE=1 or NF=1 in the USARTx_SR register.
		2157	* @rmtoll CR3 EIE LL_USART_EnableIT_ERROR
		2158	* @param USARTx USART Instance
		2159	* @retval None
		2160	*/
		2161	__STATIC_INLINE void LL_USART_EnableIT_ERROR(USART_TypeDef *USARTx)
		2162	{
		2163	SET_BIT(USARTx->CR3, USART_CR3_EIE);
		2164	}
		2165
		2166	/**
		2167	* @brief Enable CTS Interrupt
		2168	* @note Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not
		2169	* Hardware Flow control feature is supported by the USARTx instance.
		2170	* @rmtoll CR3 CTSIE LL_USART_EnableIT_CTS
		2171	* @param USARTx USART Instance
		2172	* @retval None
		2173	*/
		2174	__STATIC_INLINE void LL_USART_EnableIT_CTS(USART_TypeDef *USARTx)
		2175	{
		2176	SET_BIT(USARTx->CR3, USART_CR3_CTSIE);
		2177	}
		2178
		2179	/**
		2180	* @brief Disable IDLE Interrupt
		2181	* @rmtoll CR1 IDLEIE LL_USART_DisableIT_IDLE
		2182	* @param USARTx USART Instance
		2183	* @retval None
		2184	*/
		2185	__STATIC_INLINE void LL_USART_DisableIT_IDLE(USART_TypeDef *USARTx)
		2186	{
		2187	CLEAR_BIT(USARTx->CR1, USART_CR1_IDLEIE);
		2188	}
		2189
		2190	/**
		2191	* @brief Disable RX Not Empty Interrupt
		2192	* @rmtoll CR1 RXNEIE LL_USART_DisableIT_RXNE
		2193	* @param USARTx USART Instance
		2194	* @retval None
		2195	*/
		2196	__STATIC_INLINE void LL_USART_DisableIT_RXNE(USART_TypeDef *USARTx)
		2197	{
		2198	CLEAR_BIT(USARTx->CR1, USART_CR1_RXNEIE);
		2199	}
		2200
		2201	/**
		2202	* @brief Disable Transmission Complete Interrupt
		2203	* @rmtoll CR1 TCIE LL_USART_DisableIT_TC
		2204	* @param USARTx USART Instance
		2205	* @retval None
		2206	*/
		2207	__STATIC_INLINE void LL_USART_DisableIT_TC(USART_TypeDef *USARTx)
		2208	{
		2209	CLEAR_BIT(USARTx->CR1, USART_CR1_TCIE);
		2210	}
		2211
		2212	/**
		2213	* @brief Disable TX Empty Interrupt
		2214	* @rmtoll CR1 TXEIE LL_USART_DisableIT_TXE
		2215	* @param USARTx USART Instance
		2216	* @retval None
		2217	*/
		2218	__STATIC_INLINE void LL_USART_DisableIT_TXE(USART_TypeDef *USARTx)
		2219	{
		2220	CLEAR_BIT(USARTx->CR1, USART_CR1_TXEIE);
		2221	}
		2222
		2223	/**
		2224	* @brief Disable Parity Error Interrupt
		2225	* @rmtoll CR1 PEIE LL_USART_DisableIT_PE
		2226	* @param USARTx USART Instance
		2227	* @retval None
		2228	*/
		2229	__STATIC_INLINE void LL_USART_DisableIT_PE(USART_TypeDef *USARTx)
		2230	{
		2231	CLEAR_BIT(USARTx->CR1, USART_CR1_PEIE);
		2232	}
		2233
		2234	/**
		2235	* @brief Disable LIN Break Detection Interrupt
		2236	* @note Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not
		2237	* LIN feature is supported by the USARTx instance.
		2238	* @rmtoll CR2 LBDIE LL_USART_DisableIT_LBD
		2239	* @param USARTx USART Instance
		2240	* @retval None
		2241	*/
		2242	__STATIC_INLINE void LL_USART_DisableIT_LBD(USART_TypeDef *USARTx)
		2243	{
		2244	CLEAR_BIT(USARTx->CR2, USART_CR2_LBDIE);
		2245	}
		2246
		2247	/**
		2248	* @brief Disable Error Interrupt
		2249	* @note When set, Error Interrupt Enable Bit is enabling interrupt generation in case of a framing
		2250	* error, overrun error or noise flag (FE=1 or ORE=1 or NF=1 in the USARTx_SR register).
		2251	* 0: Interrupt is inhibited
		2252	* 1: An interrupt is generated when FE=1 or ORE=1 or NF=1 in the USARTx_SR register.
		2253	* @rmtoll CR3 EIE LL_USART_DisableIT_ERROR
		2254	* @param USARTx USART Instance
		2255	* @retval None
		2256	*/
		2257	__STATIC_INLINE void LL_USART_DisableIT_ERROR(USART_TypeDef *USARTx)
		2258	{
		2259	CLEAR_BIT(USARTx->CR3, USART_CR3_EIE);
		2260	}
		2261
		2262	/**
		2263	* @brief Disable CTS Interrupt
		2264	* @note Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not
		2265	* Hardware Flow control feature is supported by the USARTx instance.
		2266	* @rmtoll CR3 CTSIE LL_USART_DisableIT_CTS
		2267	* @param USARTx USART Instance
		2268	* @retval None
		2269	*/
		2270	__STATIC_INLINE void LL_USART_DisableIT_CTS(USART_TypeDef *USARTx)
		2271	{
		2272	CLEAR_BIT(USARTx->CR3, USART_CR3_CTSIE);
		2273	}
		2274
		2275	/**
		2276	* @brief Check if the USART IDLE Interrupt source is enabled or disabled.
		2277	* @rmtoll CR1 IDLEIE LL_USART_IsEnabledIT_IDLE
		2278	* @param USARTx USART Instance
		2279	* @retval State of bit (1 or 0).
		2280	*/
		2281	__STATIC_INLINE uint32_t LL_USART_IsEnabledIT_IDLE(USART_TypeDef *USARTx)
		2282	{
		2283	return (READ_BIT(USARTx->CR1, USART_CR1_IDLEIE) == (USART_CR1_IDLEIE));
		2284	}
		2285
		2286	/**
		2287	* @brief Check if the USART RX Not Empty Interrupt is enabled or disabled.
		2288	* @rmtoll CR1 RXNEIE LL_USART_IsEnabledIT_RXNE
		2289	* @param USARTx USART Instance
		2290	* @retval State of bit (1 or 0).
		2291	*/
		2292	__STATIC_INLINE uint32_t LL_USART_IsEnabledIT_RXNE(USART_TypeDef *USARTx)
		2293	{
		2294	return (READ_BIT(USARTx->CR1, USART_CR1_RXNEIE) == (USART_CR1_RXNEIE));
		2295	}
		2296
		2297	/**
		2298	* @brief Check if the USART Transmission Complete Interrupt is enabled or disabled.
		2299	* @rmtoll CR1 TCIE LL_USART_IsEnabledIT_TC
		2300	* @param USARTx USART Instance
		2301	* @retval State of bit (1 or 0).
		2302	*/
		2303	__STATIC_INLINE uint32_t LL_USART_IsEnabledIT_TC(USART_TypeDef *USARTx)
		2304	{
		2305	return (READ_BIT(USARTx->CR1, USART_CR1_TCIE) == (USART_CR1_TCIE));
		2306	}
		2307
		2308	/**
		2309	* @brief Check if the USART TX Empty Interrupt is enabled or disabled.
		2310	* @rmtoll CR1 TXEIE LL_USART_IsEnabledIT_TXE
		2311	* @param USARTx USART Instance
		2312	* @retval State of bit (1 or 0).
		2313	*/
		2314	__STATIC_INLINE uint32_t LL_USART_IsEnabledIT_TXE(USART_TypeDef *USARTx)
		2315	{
		2316	return (READ_BIT(USARTx->CR1, USART_CR1_TXEIE) == (USART_CR1_TXEIE));
		2317	}
		2318
		2319	/**
		2320	* @brief Check if the USART Parity Error Interrupt is enabled or disabled.
		2321	* @rmtoll CR1 PEIE LL_USART_IsEnabledIT_PE
		2322	* @param USARTx USART Instance
		2323	* @retval State of bit (1 or 0).
		2324	*/
		2325	__STATIC_INLINE uint32_t LL_USART_IsEnabledIT_PE(USART_TypeDef *USARTx)
		2326	{
		2327	return (READ_BIT(USARTx->CR1, USART_CR1_PEIE) == (USART_CR1_PEIE));
		2328	}
		2329
		2330	/**
		2331	* @brief Check if the USART LIN Break Detection Interrupt is enabled or disabled.
		2332	* @note Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not
		2333	* LIN feature is supported by the USARTx instance.
		2334	* @rmtoll CR2 LBDIE LL_USART_IsEnabledIT_LBD
		2335	* @param USARTx USART Instance
		2336	* @retval State of bit (1 or 0).
		2337	*/
		2338	__STATIC_INLINE uint32_t LL_USART_IsEnabledIT_LBD(USART_TypeDef *USARTx)
		2339	{
		2340	return (READ_BIT(USARTx->CR2, USART_CR2_LBDIE) == (USART_CR2_LBDIE));
		2341	}
		2342
		2343	/**
		2344	* @brief Check if the USART Error Interrupt is enabled or disabled.
		2345	* @rmtoll CR3 EIE LL_USART_IsEnabledIT_ERROR
		2346	* @param USARTx USART Instance
		2347	* @retval State of bit (1 or 0).
		2348	*/
		2349	__STATIC_INLINE uint32_t LL_USART_IsEnabledIT_ERROR(USART_TypeDef *USARTx)
		2350	{
		2351	return (READ_BIT(USARTx->CR3, USART_CR3_EIE) == (USART_CR3_EIE));
		2352	}
		2353
		2354	/**
		2355	* @brief Check if the USART CTS Interrupt is enabled or disabled.
		2356	* @note Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not
		2357	* Hardware Flow control feature is supported by the USARTx instance.
		2358	* @rmtoll CR3 CTSIE LL_USART_IsEnabledIT_CTS
		2359	* @param USARTx USART Instance
		2360	* @retval State of bit (1 or 0).
		2361	*/
		2362	__STATIC_INLINE uint32_t LL_USART_IsEnabledIT_CTS(USART_TypeDef *USARTx)
		2363	{
		2364	return (READ_BIT(USARTx->CR3, USART_CR3_CTSIE) == (USART_CR3_CTSIE));
		2365	}
		2366
		2367	/**
		2368	* @}
		2369	*/
		2370
		2371	/** @defgroup USART_LL_EF_DMA_Management DMA_Management
		2372	* @{
		2373	*/
		2374
		2375	/**
		2376	* @brief Enable DMA Mode for reception
		2377	* @rmtoll CR3 DMAR LL_USART_EnableDMAReq_RX
		2378	* @param USARTx USART Instance
		2379	* @retval None
		2380	*/
		2381	__STATIC_INLINE void LL_USART_EnableDMAReq_RX(USART_TypeDef *USARTx)
		2382	{
		2383	SET_BIT(USARTx->CR3, USART_CR3_DMAR);
		2384	}
		2385
		2386	/**
		2387	* @brief Disable DMA Mode for reception
		2388	* @rmtoll CR3 DMAR LL_USART_DisableDMAReq_RX
		2389	* @param USARTx USART Instance
		2390	* @retval None
		2391	*/
		2392	__STATIC_INLINE void LL_USART_DisableDMAReq_RX(USART_TypeDef *USARTx)
		2393	{
		2394	CLEAR_BIT(USARTx->CR3, USART_CR3_DMAR);
		2395	}
		2396
		2397	/**
		2398	* @brief Check if DMA Mode is enabled for reception
		2399	* @rmtoll CR3 DMAR LL_USART_IsEnabledDMAReq_RX
		2400	* @param USARTx USART Instance
		2401	* @retval State of bit (1 or 0).
		2402	*/
		2403	__STATIC_INLINE uint32_t LL_USART_IsEnabledDMAReq_RX(USART_TypeDef *USARTx)
		2404	{
		2405	return (READ_BIT(USARTx->CR3, USART_CR3_DMAR) == (USART_CR3_DMAR));
		2406	}
		2407
		2408	/**
		2409	* @brief Enable DMA Mode for transmission
		2410	* @rmtoll CR3 DMAT LL_USART_EnableDMAReq_TX
		2411	* @param USARTx USART Instance
		2412	* @retval None
		2413	*/
		2414	__STATIC_INLINE void LL_USART_EnableDMAReq_TX(USART_TypeDef *USARTx)
		2415	{
		2416	SET_BIT(USARTx->CR3, USART_CR3_DMAT);
		2417	}
		2418
		2419	/**
		2420	* @brief Disable DMA Mode for transmission
		2421	* @rmtoll CR3 DMAT LL_USART_DisableDMAReq_TX
		2422	* @param USARTx USART Instance
		2423	* @retval None
		2424	*/
		2425	__STATIC_INLINE void LL_USART_DisableDMAReq_TX(USART_TypeDef *USARTx)
		2426	{
		2427	CLEAR_BIT(USARTx->CR3, USART_CR3_DMAT);
		2428	}
		2429
		2430	/**
		2431	* @brief Check if DMA Mode is enabled for transmission
		2432	* @rmtoll CR3 DMAT LL_USART_IsEnabledDMAReq_TX
		2433	* @param USARTx USART Instance
		2434	* @retval State of bit (1 or 0).
		2435	*/
		2436	__STATIC_INLINE uint32_t LL_USART_IsEnabledDMAReq_TX(USART_TypeDef *USARTx)
		2437	{
		2438	return (READ_BIT(USARTx->CR3, USART_CR3_DMAT) == (USART_CR3_DMAT));
		2439	}
		2440
		2441	/**
		2442	* @brief Get the data register address used for DMA transfer
		2443	* @rmtoll DR DR LL_USART_DMA_GetRegAddr
		2444	* @note Address of Data Register is valid for both Transmit and Receive transfers.
		2445	* @param USARTx USART Instance
		2446	* @retval Address of data register
		2447	*/
		2448	__STATIC_INLINE uint32_t LL_USART_DMA_GetRegAddr(USART_TypeDef *USARTx)
		2449	{
		2450	/* return address of DR register */
		2451	return ((uint32_t) &(USARTx->DR));
		2452	}
		2453
		2454	/**
		2455	* @}
		2456	*/
		2457
		2458	/** @defgroup USART_LL_EF_Data_Management Data_Management
		2459	* @{
		2460	*/
		2461
		2462	/**
		2463	* @brief Read Receiver Data register (Receive Data value, 8 bits)
		2464	* @rmtoll DR DR LL_USART_ReceiveData8
		2465	* @param USARTx USART Instance
		2466	* @retval Value between Min_Data=0x00 and Max_Data=0xFF
		2467	*/
		2468	__STATIC_INLINE uint8_t LL_USART_ReceiveData8(USART_TypeDef *USARTx)
		2469	{
		2470	return (uint8_t)(READ_BIT(USARTx->DR, USART_DR_DR));
		2471	}
		2472
		2473	/**
		2474	* @brief Read Receiver Data register (Receive Data value, 9 bits)
		2475	* @rmtoll DR DR LL_USART_ReceiveData9
		2476	* @param USARTx USART Instance
		2477	* @retval Value between Min_Data=0x00 and Max_Data=0x1FF
		2478	*/
		2479	__STATIC_INLINE uint16_t LL_USART_ReceiveData9(USART_TypeDef *USARTx)
		2480	{
		2481	return (uint16_t)(READ_BIT(USARTx->DR, USART_DR_DR));
		2482	}
		2483
		2484	/**
		2485	* @brief Write in Transmitter Data Register (Transmit Data value, 8 bits)
		2486	* @rmtoll DR DR LL_USART_TransmitData8
		2487	* @param USARTx USART Instance
		2488	* @param Value between Min_Data=0x00 and Max_Data=0xFF
		2489	* @retval None
		2490	*/
		2491	__STATIC_INLINE void LL_USART_TransmitData8(USART_TypeDef *USARTx, uint8_t Value)
		2492	{
		2493	USARTx->DR = Value;
		2494	}
		2495
		2496	/**
		2497	* @brief Write in Transmitter Data Register (Transmit Data value, 9 bits)
		2498	* @rmtoll DR DR LL_USART_TransmitData9
		2499	* @param USARTx USART Instance
		2500	* @param Value between Min_Data=0x00 and Max_Data=0x1FF
		2501	* @retval None
		2502	*/
		2503	__STATIC_INLINE void LL_USART_TransmitData9(USART_TypeDef *USARTx, uint16_t Value)
		2504	{
		2505	USARTx->DR = Value & 0x1FFU;
		2506	}
		2507
		2508	/**
		2509	* @}
		2510	*/
		2511
		2512	/** @defgroup USART_LL_EF_Execution Execution
		2513	* @{
		2514	*/
		2515
		2516	/**
		2517	* @brief Request Break sending
		2518	* @rmtoll CR1 SBK LL_USART_RequestBreakSending
		2519	* @param USARTx USART Instance
		2520	* @retval None
		2521	*/
		2522	__STATIC_INLINE void LL_USART_RequestBreakSending(USART_TypeDef *USARTx)
		2523	{
		2524	SET_BIT(USARTx->CR1, USART_CR1_SBK);
		2525	}
		2526
		2527	/**
		2528	* @brief Put USART in Mute mode
		2529	* @rmtoll CR1 RWU LL_USART_RequestEnterMuteMode
		2530	* @param USARTx USART Instance
		2531	* @retval None
		2532	*/
		2533	__STATIC_INLINE void LL_USART_RequestEnterMuteMode(USART_TypeDef *USARTx)
		2534	{
		2535	SET_BIT(USARTx->CR1, USART_CR1_RWU);
		2536	}
		2537
		2538	/**
		2539	* @brief Put USART in Active mode
		2540	* @rmtoll CR1 RWU LL_USART_RequestExitMuteMode
		2541	* @param USARTx USART Instance
		2542	* @retval None
		2543	*/
		2544	__STATIC_INLINE void LL_USART_RequestExitMuteMode(USART_TypeDef *USARTx)
		2545	{
		2546	CLEAR_BIT(USARTx->CR1, USART_CR1_RWU);
		2547	}
		2548
		2549	/**
		2550	* @}
		2551	*/
		2552
		2553	#if defined(USE_FULL_LL_DRIVER)
		2554	/** @defgroup USART_LL_EF_Init Initialization and de-initialization functions
		2555	* @{
		2556	*/
		2557	ErrorStatus LL_USART_DeInit(USART_TypeDef *USARTx);
		2558	ErrorStatus LL_USART_Init(USART_TypeDef USARTx, LL_USART_InitTypeDef USART_InitStruct);
		2559	void LL_USART_StructInit(LL_USART_InitTypeDef *USART_InitStruct);
		2560	ErrorStatus LL_USART_ClockInit(USART_TypeDef USARTx, LL_USART_ClockInitTypeDef USART_ClockInitStruct);
		2561	void LL_USART_ClockStructInit(LL_USART_ClockInitTypeDef *USART_ClockInitStruct);
		2562	/**
		2563	* @}
		2564	*/
		2565	#endif /* USE_FULL_LL_DRIVER */
		2566
		2567	/**
		2568	* @}
		2569	*/
		2570
		2571	/**
		2572	* @}
		2573	*/
		2574
		2575	#endif /* USART1 \|\| USART2 \|\| USART3 \|\| UART4 \|\| UART5 */
		2576
		2577	/**
		2578	* @}
		2579	*/
		2580
		2581	#ifdef __cplusplus
		2582	}
		2583	#endif
		2584
		2585	#endif /* __STM32F1xx_LL_USART_H */
		2586
		2587	/********************** (C) COPYRIGHT STMicroelectronics *END OF FILE**/

Subversion Repositories LedShow

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