/**+
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  ******************************************************************************+
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  * @file    stm32f4xx_ll_usart.h+
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  * @author  MCD Application Team+
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  * @brief   Header file of USART LL module.+
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  ******************************************************************************+
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  * @attention+
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  *+
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  * <h2><center>&copy; COPYRIGHT(c) 2017 STMicroelectronics</center></h2>+
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  *+
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  * Redistribution and use in source and binary forms, with or without modification,+
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  * are permitted provided that the following conditions are met:+
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  *   1. Redistributions of source code must retain the above copyright notice,+
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  *      this list of conditions and the following disclaimer.+
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  *   2. Redistributions in binary form must reproduce the above copyright notice,+
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  *      this list of conditions and the following disclaimer in the documentation+
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  *      and/or other materials provided with the distribution.+
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  *   3. Neither the name of STMicroelectronics nor the names of its contributors+
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  *      may be used to endorse or promote products derived from this software+
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  *      without specific prior written permission.+
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  *+
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  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"+
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  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE+
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  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE+
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  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE+
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  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL+
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  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR+
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  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER+
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  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,+
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  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE+
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  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.+
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  *+
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  ******************************************************************************+
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  */+
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+
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/* Define to prevent recursive inclusion -------------------------------------*/+
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#ifndef __STM32F4xx_LL_USART_H+
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#define __STM32F4xx_LL_USART_H+
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+
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#ifdef __cplusplus+
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extern "C" {+
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#endif+
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+
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/* Includes ------------------------------------------------------------------*/+
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#include "stm32f4xx.h"+
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+
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/** @addtogroup STM32F4xx_LL_Driver+
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  * @{+
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  */+
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+
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#if defined (USART1) || defined (USART2) || defined (USART3) || defined (USART6) || defined (UART4) || defined (UART5) || defined (UART7) || defined (UART8) || defined (UART9) || defined (UART10)+
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+
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/** @defgroup USART_LL USART+
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  * @{+
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  */+
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+
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/* Private types -------------------------------------------------------------*/+
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/* Private variables ---------------------------------------------------------*/+
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+
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/* Private constants ---------------------------------------------------------*/+
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/** @defgroup USART_LL_Private_Constants USART Private Constants+
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  * @{+
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  */+
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+
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/* Defines used for the bit position in the register and perform offsets*/+
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#define USART_POSITION_GTPR_GT                  USART_GTPR_GT_Pos+
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/**+
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  * @}+
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  */+
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+
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/* Private macros ------------------------------------------------------------*/+
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#if defined(USE_FULL_LL_DRIVER)+
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/** @defgroup USART_LL_Private_Macros USART Private Macros+
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  * @{+
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  */+
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/**+
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  * @}+
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  */+
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#endif /*USE_FULL_LL_DRIVER*/+
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+
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/* Exported types ------------------------------------------------------------*/+
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#if defined(USE_FULL_LL_DRIVER)+
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/** @defgroup USART_LL_ES_INIT USART Exported Init structures+
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  * @{+
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  */+
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+
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/**+
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  * @brief LL USART Init Structure definition+
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  */+
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typedef struct+
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{+
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  uint32_t BaudRate;                  /*!< This field defines expected Usart communication baud rate.+
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+
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                                           This feature can be modified afterwards using unitary function @ref LL_USART_SetBaudRate().*/+
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+
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  uint32_t DataWidth;                 /*!< Specifies the number of data bits transmitted or received in a frame.+
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                                           This parameter can be a value of @ref USART_LL_EC_DATAWIDTH.+
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+
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                                           This feature can be modified afterwards using unitary function @ref LL_USART_SetDataWidth().*/+
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+
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  uint32_t StopBits;                  /*!< Specifies the number of stop bits transmitted.+
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                                           This parameter can be a value of @ref USART_LL_EC_STOPBITS.+
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+
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                                           This feature can be modified afterwards using unitary function @ref LL_USART_SetStopBitsLength().*/+
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+
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  uint32_t Parity;                    /*!< Specifies the parity mode.+
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                                           This parameter can be a value of @ref USART_LL_EC_PARITY.+
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+
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                                           This feature can be modified afterwards using unitary function @ref LL_USART_SetParity().*/+
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+
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  uint32_t TransferDirection;         /*!< Specifies whether the Receive and/or Transmit mode is enabled or disabled.+
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                                           This parameter can be a value of @ref USART_LL_EC_DIRECTION.+
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+
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                                           This feature can be modified afterwards using unitary function @ref LL_USART_SetTransferDirection().*/+
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+
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  uint32_t HardwareFlowControl;       /*!< Specifies whether the hardware flow control mode is enabled or disabled.+
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                                           This parameter can be a value of @ref USART_LL_EC_HWCONTROL.+
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+
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                                           This feature can be modified afterwards using unitary function @ref LL_USART_SetHWFlowCtrl().*/+
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+
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  uint32_t OverSampling;              /*!< Specifies whether USART oversampling mode is 16 or 8.+
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                                           This parameter can be a value of @ref USART_LL_EC_OVERSAMPLING.+
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+
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                                           This feature can be modified afterwards using unitary function @ref LL_USART_SetOverSampling().*/+
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+
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} LL_USART_InitTypeDef;+
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+
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/**+
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  * @brief LL USART Clock Init Structure definition+
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  */+
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typedef struct+
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{+
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  uint32_t ClockOutput;               /*!< Specifies whether the USART clock is enabled or disabled.+
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                                           This parameter can be a value of @ref USART_LL_EC_CLOCK.+
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+
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                                           USART HW configuration can be modified afterwards using unitary functions+
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                                           @ref LL_USART_EnableSCLKOutput() or @ref LL_USART_DisableSCLKOutput().+
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                                           For more details, refer to description of this function. */+
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+
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  uint32_t ClockPolarity;             /*!< Specifies the steady state of the serial clock.+
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                                           This parameter can be a value of @ref USART_LL_EC_POLARITY.+
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+
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                                           USART HW configuration can be modified afterwards using unitary functions @ref LL_USART_SetClockPolarity().+
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                                           For more details, refer to description of this function. */+
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+
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  uint32_t ClockPhase;                /*!< Specifies the clock transition on which the bit capture is made.+
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                                           This parameter can be a value of @ref USART_LL_EC_PHASE.+
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+
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                                           USART HW configuration can be modified afterwards using unitary functions @ref LL_USART_SetClockPhase().+
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                                           For more details, refer to description of this function. */+
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+
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  uint32_t LastBitClockPulse;         /*!< Specifies whether the clock pulse corresponding to the last transmitted+
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                                           data bit (MSB) has to be output on the SCLK pin in synchronous mode.+
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                                           This parameter can be a value of @ref USART_LL_EC_LASTCLKPULSE.+
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+
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                                           USART HW configuration can be modified afterwards using unitary functions @ref LL_USART_SetLastClkPulseOutput().+
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                                           For more details, refer to description of this function. */+
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+
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} LL_USART_ClockInitTypeDef;+
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+
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/**+
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  * @}+
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  */+
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#endif /* USE_FULL_LL_DRIVER */+
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+
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/* Exported constants --------------------------------------------------------*/+
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/** @defgroup USART_LL_Exported_Constants USART Exported Constants+
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  * @{+
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  */+
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+
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/** @defgroup USART_LL_EC_GET_FLAG Get Flags Defines+
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  * @brief    Flags defines which can be used with LL_USART_ReadReg function+
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  * @{+
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  */+
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#define LL_USART_SR_PE                          USART_SR_PE                   /*!< Parity error flag */+
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#define LL_USART_SR_FE                          USART_SR_FE                   /*!< Framing error flag */+
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#define LL_USART_SR_NE                          USART_SR_NE                   /*!< Noise detected flag */+
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#define LL_USART_SR_ORE                         USART_SR_ORE                  /*!< Overrun error flag */+
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#define LL_USART_SR_IDLE                        USART_SR_IDLE                 /*!< Idle line detected flag */+
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#define LL_USART_SR_RXNE                        USART_SR_RXNE                 /*!< Read data register not empty flag */+
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#define LL_USART_SR_TC                          USART_SR_TC                   /*!< Transmission complete flag */+
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#define LL_USART_SR_TXE                         USART_SR_TXE                  /*!< Transmit data register empty flag */+
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#define LL_USART_SR_LBD                         USART_SR_LBD                  /*!< LIN break detection flag */+
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#define LL_USART_SR_CTS                         USART_SR_CTS                  /*!< CTS flag */+
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/**+
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  * @}+
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  */+
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+
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/** @defgroup USART_LL_EC_IT IT Defines+
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  * @brief    IT defines which can be used with LL_USART_ReadReg and  LL_USART_WriteReg functions+
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  * @{+
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  */+
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#define LL_USART_CR1_IDLEIE                     USART_CR1_IDLEIE              /*!< IDLE interrupt enable */+
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#define LL_USART_CR1_RXNEIE                     USART_CR1_RXNEIE              /*!< Read data register not empty interrupt enable */+
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#define LL_USART_CR1_TCIE                       USART_CR1_TCIE                /*!< Transmission complete interrupt enable */+
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#define LL_USART_CR1_TXEIE                      USART_CR1_TXEIE               /*!< Transmit data register empty interrupt enable */+
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#define LL_USART_CR1_PEIE                       USART_CR1_PEIE                /*!< Parity error */+
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#define LL_USART_CR2_LBDIE                      USART_CR2_LBDIE               /*!< LIN break detection interrupt enable */+
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#define LL_USART_CR3_EIE                        USART_CR3_EIE                 /*!< Error interrupt enable */+
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#define LL_USART_CR3_CTSIE                      USART_CR3_CTSIE               /*!< CTS interrupt enable */+
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/**+
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  * @}+
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  */+
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+
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/** @defgroup USART_LL_EC_DIRECTION Communication Direction+
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  * @{+
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  */+
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#define LL_USART_DIRECTION_NONE                 0x00000000U                        /*!< Transmitter and Receiver are disabled */+
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#define LL_USART_DIRECTION_RX                   USART_CR1_RE                       /*!< Transmitter is disabled and Receiver is enabled */+
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#define LL_USART_DIRECTION_TX                   USART_CR1_TE                       /*!< Transmitter is enabled and Receiver is disabled */+
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#define LL_USART_DIRECTION_TX_RX                (USART_CR1_TE |USART_CR1_RE)       /*!< Transmitter and Receiver are enabled */+
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/**+
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  * @}+
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  */+
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+
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/** @defgroup USART_LL_EC_PARITY Parity Control+
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  * @{+
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  */ +
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#define LL_USART_PARITY_NONE                    0x00000000U                          /*!< Parity control disabled */+
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#define LL_USART_PARITY_EVEN                    USART_CR1_PCE                        /*!< Parity control enabled and Even Parity is selected */+
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#define LL_USART_PARITY_ODD                     (USART_CR1_PCE | USART_CR1_PS)       /*!< Parity control enabled and Odd Parity is selected */+
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/**+
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  * @}+
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  */+
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+
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/** @defgroup USART_LL_EC_WAKEUP Wakeup+
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  * @{+
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  */+
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#define LL_USART_WAKEUP_IDLELINE                0x00000000U           /*!<  USART wake up from Mute mode on Idle Line */+
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#define LL_USART_WAKEUP_ADDRESSMARK             USART_CR1_WAKE        /*!<  USART wake up from Mute mode on Address Mark */+
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/**+
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  * @}+
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  */+
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+
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/** @defgroup USART_LL_EC_DATAWIDTH Datawidth+
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  * @{+
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  */+
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#define LL_USART_DATAWIDTH_8B                   0x00000000U             /*!< 8 bits word length : Start bit, 8 data bits, n stop bits */+
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#define LL_USART_DATAWIDTH_9B                   USART_CR1_M             /*!< 9 bits word length : Start bit, 9 data bits, n stop bits */+
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/**+
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  * @}+
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  */+
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+
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/** @defgroup USART_LL_EC_OVERSAMPLING Oversampling+
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  * @{+
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  */+
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#define LL_USART_OVERSAMPLING_16                0x00000000U            /*!< Oversampling by 16 */+
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#define LL_USART_OVERSAMPLING_8                 USART_CR1_OVER8        /*!< Oversampling by 8 */+
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/**+
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  * @}+
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  */+
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+
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#if defined(USE_FULL_LL_DRIVER)+
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/** @defgroup USART_LL_EC_CLOCK Clock Signal+
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  * @{+
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  */+
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+
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#define LL_USART_CLOCK_DISABLE                  0x00000000U            /*!< Clock signal not provided */+
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#define LL_USART_CLOCK_ENABLE                   USART_CR2_CLKEN        /*!< Clock signal provided */+
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/**+
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  * @}+
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  */+
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#endif /*USE_FULL_LL_DRIVER*/+
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+
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/** @defgroup USART_LL_EC_LASTCLKPULSE Last Clock Pulse+
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  * @{+
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  */+
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#define LL_USART_LASTCLKPULSE_NO_OUTPUT         0x00000000U           /*!< The clock pulse of the last data bit is not output to the SCLK pin */+
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#define LL_USART_LASTCLKPULSE_OUTPUT            USART_CR2_LBCL        /*!< The clock pulse of the last data bit is output to the SCLK pin */+
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/**+
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  * @}+
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  */+
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+
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/** @defgroup USART_LL_EC_PHASE Clock Phase+
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  * @{+
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  */+
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#define LL_USART_PHASE_1EDGE                    0x00000000U           /*!< The first clock transition is the first data capture edge */+
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#define LL_USART_PHASE_2EDGE                    USART_CR2_CPHA        /*!< The second clock transition is the first data capture edge */+
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/**+
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  * @}+
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  */+
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+
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/** @defgroup USART_LL_EC_POLARITY Clock Polarity+
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  * @{+
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  */+
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#define LL_USART_POLARITY_LOW                   0x00000000U           /*!< Steady low value on SCLK pin outside transmission window*/+
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#define LL_USART_POLARITY_HIGH                  USART_CR2_CPOL        /*!< Steady high value on SCLK pin outside transmission window */+
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/**+
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  * @}+
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  */+
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+
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/** @defgroup USART_LL_EC_STOPBITS Stop Bits+
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  * @{+
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  */+
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#define LL_USART_STOPBITS_0_5                   USART_CR2_STOP_0                           /*!< 0.5 stop bit */+
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#define LL_USART_STOPBITS_1                     0x00000000U                                /*!< 1 stop bit */+
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#define LL_USART_STOPBITS_1_5                   (USART_CR2_STOP_0 | USART_CR2_STOP_1)      /*!< 1.5 stop bits */+
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#define LL_USART_STOPBITS_2                     USART_CR2_STOP_1                           /*!< 2 stop bits */+
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/**+
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  * @}+
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  */+
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+
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/** @defgroup USART_LL_EC_HWCONTROL Hardware Control+
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  * @{+
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  */+
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#define LL_USART_HWCONTROL_NONE                 0x00000000U                          /*!< CTS and RTS hardware flow control disabled */+
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#define LL_USART_HWCONTROL_RTS                  USART_CR3_RTSE                       /*!< RTS output enabled, data is only requested when there is space in the receive buffer */+
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#define LL_USART_HWCONTROL_CTS                  USART_CR3_CTSE                       /*!< CTS mode enabled, data is only transmitted when the nCTS input is asserted (tied to 0) */+
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#define LL_USART_HWCONTROL_RTS_CTS              (USART_CR3_RTSE | USART_CR3_CTSE)    /*!< CTS and RTS hardware flow control enabled */+
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/**+
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  * @}+
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  */+
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+
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/** @defgroup USART_LL_EC_IRDA_POWER IrDA Power+
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  * @{+
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  */+
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#define LL_USART_IRDA_POWER_NORMAL              0x00000000U           /*!< IrDA normal power mode */+
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#define LL_USART_IRDA_POWER_LOW                 USART_CR3_IRLP        /*!< IrDA low power mode */+
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/**+
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  * @}+
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  */+
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+
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/** @defgroup USART_LL_EC_LINBREAK_DETECT LIN Break Detection Length+
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  * @{+
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  */+
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#define LL_USART_LINBREAK_DETECT_10B            0x00000000U           /*!< 10-bit break detection method selected */+
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#define LL_USART_LINBREAK_DETECT_11B            USART_CR2_LBDL        /*!< 11-bit break detection method selected */+
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/**+
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  * @}+
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  */+
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+
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/**+
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  * @}+
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  */+
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+
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/* Exported macro ------------------------------------------------------------*/+
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/** @defgroup USART_LL_Exported_Macros USART Exported Macros+
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  * @{+
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  */+
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+
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/** @defgroup USART_LL_EM_WRITE_READ Common Write and read registers Macros+
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  * @{+
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  */+
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+
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/**+
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  * @brief  Write a value in USART register+
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  * @param  __INSTANCE__ USART Instance+
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  * @param  __REG__ Register to be written+
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  * @param  __VALUE__ Value to be written in the register+
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  * @retval None+
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  */+
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#define LL_USART_WriteReg(__INSTANCE__, __REG__, __VALUE__) WRITE_REG(__INSTANCE__->__REG__, (__VALUE__))+
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+
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/**+
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  * @brief  Read a value in USART register+
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  * @param  __INSTANCE__ USART Instance+
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  * @param  __REG__ Register to be read+
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  * @retval Register value+
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  */+
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#define LL_USART_ReadReg(__INSTANCE__, __REG__) READ_REG(__INSTANCE__->__REG__)+
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/**+
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  * @}+
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  */+
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+
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/** @defgroup USART_LL_EM_Exported_Macros_Helper Exported_Macros_Helper+
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  * @{+
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  */+
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+
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/**+
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  * @brief  Compute USARTDIV value according to Peripheral Clock and+
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  *         expected Baud Rate in 8 bits sampling mode (32 bits value of USARTDIV is returned)+
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  * @param  __PERIPHCLK__ Peripheral Clock frequency used for USART instance+
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  * @param  __BAUDRATE__ Baud rate value to achieve+
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  * @retval USARTDIV value to be used for BRR register filling in OverSampling_8 case+
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  */+
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#define __LL_USART_DIV_SAMPLING8_100(__PERIPHCLK__, __BAUDRATE__)      (((__PERIPHCLK__)*25)/(2*(__BAUDRATE__)))+
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#define __LL_USART_DIVMANT_SAMPLING8(__PERIPHCLK__, __BAUDRATE__)      (__LL_USART_DIV_SAMPLING8_100((__PERIPHCLK__), (__BAUDRATE__))/100)+
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#define __LL_USART_DIVFRAQ_SAMPLING8(__PERIPHCLK__, __BAUDRATE__)      (((__LL_USART_DIV_SAMPLING8_100((__PERIPHCLK__), (__BAUDRATE__)) - (__LL_USART_DIVMANT_SAMPLING8((__PERIPHCLK__), (__BAUDRATE__)) * 100)) * 8 + 50) / 100)+
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/* UART BRR = mantissa + overflow + fraction+
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            = (UART DIVMANT << 4) + ((UART DIVFRAQ & 0xF8) << 1) + (UART DIVFRAQ & 0x07) */+
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#define __LL_USART_DIV_SAMPLING8(__PERIPHCLK__, __BAUDRATE__)             (((__LL_USART_DIVMANT_SAMPLING8((__PERIPHCLK__), (__BAUDRATE__)) << 4) + \+
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                                                                           ((__LL_USART_DIVFRAQ_SAMPLING8((__PERIPHCLK__), (__BAUDRATE__)) & 0xF8) << 1)) + \+
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                                                                           (__LL_USART_DIVFRAQ_SAMPLING8((__PERIPHCLK__), (__BAUDRATE__)) & 0x07))+
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+
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/**+
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  * @brief  Compute USARTDIV value according to Peripheral Clock and+
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  *         expected Baud Rate in 16 bits sampling mode (32 bits value of USARTDIV is returned)+
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  * @param  __PERIPHCLK__ Peripheral Clock frequency used for USART instance+
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  * @param  __BAUDRATE__ Baud rate value to achieve+
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  * @retval USARTDIV value to be used for BRR register filling in OverSampling_16 case+
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  */+
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#define __LL_USART_DIV_SAMPLING16_100(__PERIPHCLK__, __BAUDRATE__)     (((__PERIPHCLK__)*25)/(4*(__BAUDRATE__)))+
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#define __LL_USART_DIVMANT_SAMPLING16(__PERIPHCLK__, __BAUDRATE__)     (__LL_USART_DIV_SAMPLING16_100((__PERIPHCLK__), (__BAUDRATE__))/100)+
−
#define __LL_USART_DIVFRAQ_SAMPLING16(__PERIPHCLK__, __BAUDRATE__)     (((__LL_USART_DIV_SAMPLING16_100((__PERIPHCLK__), (__BAUDRATE__)) - (__LL_USART_DIVMANT_SAMPLING16((__PERIPHCLK__), (__BAUDRATE__)) * 100)) * 16 + 50) / 100)+
−
/* USART BRR = mantissa + overflow + fraction+
−
            = (USART DIVMANT << 4) + (USART DIVFRAQ & 0xF0) + (USART DIVFRAQ & 0x0F) */+
−
#define __LL_USART_DIV_SAMPLING16(__PERIPHCLK__, __BAUDRATE__)            (((__LL_USART_DIVMANT_SAMPLING16((__PERIPHCLK__), (__BAUDRATE__)) << 4) + \+
−
                                                                           (__LL_USART_DIVFRAQ_SAMPLING16((__PERIPHCLK__), (__BAUDRATE__)) & 0xF0)) + \+
−
                                                                           (__LL_USART_DIVFRAQ_SAMPLING16((__PERIPHCLK__), (__BAUDRATE__)) & 0x0F))+
−
+
−
/**+
−
  * @}+
−
  */+
−
+
−
/**+
−
  * @}+
−
  */+
−
+
−
/* Exported functions --------------------------------------------------------*/+
−
+
−
/** @defgroup USART_LL_Exported_Functions USART Exported Functions+
−
  * @{+
−
  */+
−
+
−
/** @defgroup USART_LL_EF_Configuration Configuration functions+
−
  * @{+
−
  */+
−
+
−
/**+
−
  * @brief  USART Enable+
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  * @rmtoll CR1          UE            LL_USART_Enable+
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  * @param  USARTx USART Instance+
−
  * @retval None+
−
  */+
−
__STATIC_INLINE void LL_USART_Enable(USART_TypeDef *USARTx)+
−
{+
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  SET_BIT(USARTx->CR1, USART_CR1_UE);+
−
}+
−
+
−
/**+
−
  * @brief  USART Disable (all USART prescalers and outputs are disabled)+
−
  * @note   When USART is disabled, USART prescalers and outputs are stopped immediately,+
−
  *         and current operations are discarded. The configuration of the USART is kept, but all the status+
−
  *         flags, in the USARTx_SR are set to their default values.+
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  * @rmtoll CR1          UE            LL_USART_Disable+
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  * @param  USARTx USART Instance+
−
  * @retval None+
−
  */+
−
__STATIC_INLINE void LL_USART_Disable(USART_TypeDef *USARTx)+
−
{+
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  CLEAR_BIT(USARTx->CR1, USART_CR1_UE);+
−
}+
−
+
−
/**+
−
  * @brief  Indicate if USART is enabled+
−
  * @rmtoll CR1          UE            LL_USART_IsEnabled+
−
  * @param  USARTx USART Instance+
−
  * @retval State of bit (1 or 0).+
−
  */+
−
__STATIC_INLINE uint32_t LL_USART_IsEnabled(USART_TypeDef *USARTx)+
−
{+
−
  return (READ_BIT(USARTx->CR1, USART_CR1_UE) == (USART_CR1_UE));+
−
}+
−
+
−
/**+
−
  * @brief  Receiver Enable (Receiver is enabled and begins searching for a start bit)+
−
  * @rmtoll CR1          RE            LL_USART_EnableDirectionRx+
−
  * @param  USARTx USART Instance+
−
  * @retval None+
−
  */+
−
__STATIC_INLINE void LL_USART_EnableDirectionRx(USART_TypeDef *USARTx)+
−
{+
−
  SET_BIT(USARTx->CR1, USART_CR1_RE);+
−
}+
−
+
−
/**+
−
  * @brief  Receiver Disable+
−
  * @rmtoll CR1          RE            LL_USART_DisableDirectionRx+
−
  * @param  USARTx USART Instance+
−
  * @retval None+
−
  */+
−
__STATIC_INLINE void LL_USART_DisableDirectionRx(USART_TypeDef *USARTx)+
−
{+
−
  CLEAR_BIT(USARTx->CR1, USART_CR1_RE);+
−
}+
−
+
−
/**+
−
  * @brief  Transmitter Enable+
−
  * @rmtoll CR1          TE            LL_USART_EnableDirectionTx+
−
  * @param  USARTx USART Instance+
−
  * @retval None+
−
  */+
−
__STATIC_INLINE void LL_USART_EnableDirectionTx(USART_TypeDef *USARTx)+
−
{+
−
  SET_BIT(USARTx->CR1, USART_CR1_TE);+
−
}+
−
+
−
/**+
−
  * @brief  Transmitter Disable+
−
  * @rmtoll CR1          TE            LL_USART_DisableDirectionTx+
−
  * @param  USARTx USART Instance+
−
  * @retval None+
−
  */+
−
__STATIC_INLINE void LL_USART_DisableDirectionTx(USART_TypeDef *USARTx)+
−
{+
−
  CLEAR_BIT(USARTx->CR1, USART_CR1_TE);+
−
}+
−
+
−
/**+
−
  * @brief  Configure simultaneously enabled/disabled states+
−
  *         of Transmitter and Receiver+
−
  * @rmtoll CR1          RE            LL_USART_SetTransferDirection\n+
−
  *         CR1          TE            LL_USART_SetTransferDirection+
−
  * @param  USARTx USART Instance+
−
  * @param  TransferDirection This parameter can be one of the following values:+
−
  *         @arg @ref LL_USART_DIRECTION_NONE+
−
  *         @arg @ref LL_USART_DIRECTION_RX+
−
  *         @arg @ref LL_USART_DIRECTION_TX+
−
  *         @arg @ref LL_USART_DIRECTION_TX_RX+
−
  * @retval None+
−
  */+
−
__STATIC_INLINE void LL_USART_SetTransferDirection(USART_TypeDef *USARTx, uint32_t TransferDirection)+
−
{+
−
  MODIFY_REG(USARTx->CR1, USART_CR1_RE | USART_CR1_TE, TransferDirection);+
−
}+
−
+
−
/**+
−
  * @brief  Return enabled/disabled states of Transmitter and Receiver+
−
  * @rmtoll CR1          RE            LL_USART_GetTransferDirection\n+
−
  *         CR1          TE            LL_USART_GetTransferDirection+
−
  * @param  USARTx USART Instance+
−
  * @retval Returned value can be one of the following values:+
−
  *         @arg @ref LL_USART_DIRECTION_NONE+
−
  *         @arg @ref LL_USART_DIRECTION_RX+
−
  *         @arg @ref LL_USART_DIRECTION_TX+
−
  *         @arg @ref LL_USART_DIRECTION_TX_RX+
−
  */+
−
__STATIC_INLINE uint32_t LL_USART_GetTransferDirection(USART_TypeDef *USARTx)+
−
{+
−
  return (uint32_t)(READ_BIT(USARTx->CR1, USART_CR1_RE | USART_CR1_TE));+
−
}+
−
+
−
/**+
−
  * @brief  Configure Parity (enabled/disabled and parity mode if enabled).+
−
  * @note   This function selects if hardware parity control (generation and detection) is enabled or disabled.+
−
  *         When the parity control is enabled (Odd or Even), computed parity bit is inserted at the MSB position+
−
  *         (9th or 8th bit depending on data width) and parity is checked on the received data.+
−
  * @rmtoll CR1          PS            LL_USART_SetParity\n+
−
  *         CR1          PCE           LL_USART_SetParity+
−
  * @param  USARTx USART Instance+
−
  * @param  Parity This parameter can be one of the following values:+
−
  *         @arg @ref LL_USART_PARITY_NONE+
−
  *         @arg @ref LL_USART_PARITY_EVEN+
−
  *         @arg @ref LL_USART_PARITY_ODD+
−
  * @retval None+
−
  */+
−
__STATIC_INLINE void LL_USART_SetParity(USART_TypeDef *USARTx, uint32_t Parity)+
−
{+
−
  MODIFY_REG(USARTx->CR1, USART_CR1_PS | USART_CR1_PCE, Parity);+
−
}+
−
+
−
/**+
−
  * @brief  Return Parity configuration (enabled/disabled and parity mode if enabled)+
−
  * @rmtoll CR1          PS            LL_USART_GetParity\n+
−
  *         CR1          PCE           LL_USART_GetParity+
−
  * @param  USARTx USART Instance+
−
  * @retval Returned value can be one of the following values:+
−
  *         @arg @ref LL_USART_PARITY_NONE+
−
  *         @arg @ref LL_USART_PARITY_EVEN+
−
  *         @arg @ref LL_USART_PARITY_ODD+
−
  */+
−
__STATIC_INLINE uint32_t LL_USART_GetParity(USART_TypeDef *USARTx)+
−
{+
−
  return (uint32_t)(READ_BIT(USARTx->CR1, USART_CR1_PS | USART_CR1_PCE));+
−
}+
−
+
−
/**+
−
  * @brief  Set Receiver Wake Up method from Mute mode.+
−
  * @rmtoll CR1          WAKE          LL_USART_SetWakeUpMethod+
−
  * @param  USARTx USART Instance+
−
  * @param  Method This parameter can be one of the following values:+
−
  *         @arg @ref LL_USART_WAKEUP_IDLELINE+
−
  *         @arg @ref LL_USART_WAKEUP_ADDRESSMARK+
−
  * @retval None+
−
  */+
−
__STATIC_INLINE void LL_USART_SetWakeUpMethod(USART_TypeDef *USARTx, uint32_t Method)+
−
{+
−
  MODIFY_REG(USARTx->CR1, USART_CR1_WAKE, Method);+
−
}+
−
+
−
/**+
−
  * @brief  Return Receiver Wake Up method from Mute mode+
−
  * @rmtoll CR1          WAKE          LL_USART_GetWakeUpMethod+
−
  * @param  USARTx USART Instance+
−
  * @retval Returned value can be one of the following values:+
−
  *         @arg @ref LL_USART_WAKEUP_IDLELINE+
−
  *         @arg @ref LL_USART_WAKEUP_ADDRESSMARK+
−
  */+
−
__STATIC_INLINE uint32_t LL_USART_GetWakeUpMethod(USART_TypeDef *USARTx)+
−
{+
−
  return (uint32_t)(READ_BIT(USARTx->CR1, USART_CR1_WAKE));+
−
}+
−
+
−
/**+
−
  * @brief  Set Word length (i.e. nb of data bits, excluding start and stop bits)+
−
  * @rmtoll CR1          M             LL_USART_SetDataWidth+
−
  * @param  USARTx USART Instance+
−
  * @param  DataWidth This parameter can be one of the following values:+
−
  *         @arg @ref LL_USART_DATAWIDTH_8B+
−
  *         @arg @ref LL_USART_DATAWIDTH_9B+
−
  * @retval None+
−
  */+
−
__STATIC_INLINE void LL_USART_SetDataWidth(USART_TypeDef *USARTx, uint32_t DataWidth)+
−
{+
−
  MODIFY_REG(USARTx->CR1, USART_CR1_M, DataWidth);+
−
}+
−
+
−
/**+
−
  * @brief  Return Word length (i.e. nb of data bits, excluding start and stop bits)+
−
  * @rmtoll CR1          M             LL_USART_GetDataWidth+
−
  * @param  USARTx USART Instance+
−
  * @retval Returned value can be one of the following values:+
−
  *         @arg @ref LL_USART_DATAWIDTH_8B+
−
  *         @arg @ref LL_USART_DATAWIDTH_9B+
−
  */+
−
__STATIC_INLINE uint32_t LL_USART_GetDataWidth(USART_TypeDef *USARTx)+
−
{+
−
  return (uint32_t)(READ_BIT(USARTx->CR1, USART_CR1_M));+
−
}+
−
+
−
/**+
−
  * @brief  Set Oversampling to 8-bit or 16-bit mode+
−
  * @rmtoll CR1          OVER8         LL_USART_SetOverSampling+
−
  * @param  USARTx USART Instance+
−
  * @param  OverSampling This parameter can be one of the following values:+
−
  *         @arg @ref LL_USART_OVERSAMPLING_16+
−
  *         @arg @ref LL_USART_OVERSAMPLING_8+
−
  * @retval None+
−
  */+
−
__STATIC_INLINE void LL_USART_SetOverSampling(USART_TypeDef *USARTx, uint32_t OverSampling)+
−
{+
−
  MODIFY_REG(USARTx->CR1, USART_CR1_OVER8, OverSampling);+
−
}+
−
+
−
/**+
−
  * @brief  Return Oversampling mode+
−
  * @rmtoll CR1          OVER8         LL_USART_GetOverSampling+
−
  * @param  USARTx USART Instance+
−
  * @retval Returned value can be one of the following values:+
−
  *         @arg @ref LL_USART_OVERSAMPLING_16+
−
  *         @arg @ref LL_USART_OVERSAMPLING_8+
−
  */+
−
__STATIC_INLINE uint32_t LL_USART_GetOverSampling(USART_TypeDef *USARTx)+
−
{+
−
  return (uint32_t)(READ_BIT(USARTx->CR1, USART_CR1_OVER8));+
−
}+
−
+
−
/**+
−
  * @brief  Configure if Clock pulse of the last data bit is output to the SCLK pin or not+
−
  * @note   Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not+
−
  *         Synchronous mode is supported by the USARTx instance.+
−
  * @rmtoll CR2          LBCL          LL_USART_SetLastClkPulseOutput+
−
  * @param  USARTx USART Instance+
−
  * @param  LastBitClockPulse This parameter can be one of the following values:+
−
  *         @arg @ref LL_USART_LASTCLKPULSE_NO_OUTPUT+
−
  *         @arg @ref LL_USART_LASTCLKPULSE_OUTPUT+
−
  * @retval None+
−
  */+
−
__STATIC_INLINE void LL_USART_SetLastClkPulseOutput(USART_TypeDef *USARTx, uint32_t LastBitClockPulse)+
−
{+
−
  MODIFY_REG(USARTx->CR2, USART_CR2_LBCL, LastBitClockPulse);+
−
}+
−
+
−
/**+
−
  * @brief  Retrieve Clock pulse of the last data bit output configuration+
−
  *         (Last bit Clock pulse output to the SCLK pin or not)+
−
  * @note   Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not+
−
  *         Synchronous mode is supported by the USARTx instance.+
−
  * @rmtoll CR2          LBCL          LL_USART_GetLastClkPulseOutput+
−
  * @param  USARTx USART Instance+
−
  * @retval Returned value can be one of the following values:+
−
  *         @arg @ref LL_USART_LASTCLKPULSE_NO_OUTPUT+
−
  *         @arg @ref LL_USART_LASTCLKPULSE_OUTPUT+
−
  */+
−
__STATIC_INLINE uint32_t LL_USART_GetLastClkPulseOutput(USART_TypeDef *USARTx)+
−
{+
−
  return (uint32_t)(READ_BIT(USARTx->CR2, USART_CR2_LBCL));+
−
}+
−
+
−
/**+
−
  * @brief  Select the phase of the clock output on the SCLK pin in synchronous mode+
−
  * @note   Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not+
−
  *         Synchronous mode is supported by the USARTx instance.+
−
  * @rmtoll CR2          CPHA          LL_USART_SetClockPhase+
−
  * @param  USARTx USART Instance+
−
  * @param  ClockPhase This parameter can be one of the following values:+
−
  *         @arg @ref LL_USART_PHASE_1EDGE+
−
  *         @arg @ref LL_USART_PHASE_2EDGE+
−
  * @retval None+
−
  */+
−
__STATIC_INLINE void LL_USART_SetClockPhase(USART_TypeDef *USARTx, uint32_t ClockPhase)+
−
{+
−
  MODIFY_REG(USARTx->CR2, USART_CR2_CPHA, ClockPhase);+
−
}+
−
+
−
/**+
−
  * @brief  Return phase of the clock output on the SCLK pin in synchronous mode+
−
  * @note   Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not+
−
  *         Synchronous mode is supported by the USARTx instance.+
−
  * @rmtoll CR2          CPHA          LL_USART_GetClockPhase+
−
  * @param  USARTx USART Instance+
−
  * @retval Returned value can be one of the following values:+
−
  *         @arg @ref LL_USART_PHASE_1EDGE+
−
  *         @arg @ref LL_USART_PHASE_2EDGE+
−
  */+
−
__STATIC_INLINE uint32_t LL_USART_GetClockPhase(USART_TypeDef *USARTx)+
−
{+
−
  return (uint32_t)(READ_BIT(USARTx->CR2, USART_CR2_CPHA));+
−
}+
−
+
−
/**+
−
  * @brief  Select the polarity of the clock output on the SCLK pin in synchronous mode+
−
  * @note   Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not+
−
  *         Synchronous mode is supported by the USARTx instance.+
−
  * @rmtoll CR2          CPOL          LL_USART_SetClockPolarity+
−
  * @param  USARTx USART Instance+
−
  * @param  ClockPolarity This parameter can be one of the following values:+
−
  *         @arg @ref LL_USART_POLARITY_LOW+
−
  *         @arg @ref LL_USART_POLARITY_HIGH+
−
  * @retval None+
−
  */+
−
__STATIC_INLINE void LL_USART_SetClockPolarity(USART_TypeDef *USARTx, uint32_t ClockPolarity)+
−
{+
−
  MODIFY_REG(USARTx->CR2, USART_CR2_CPOL, ClockPolarity);+
−
}+
−
+
−
/**+
−
  * @brief  Return polarity of the clock output on the SCLK pin in synchronous mode+
−
  * @note   Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not+
−
  *         Synchronous mode is supported by the USARTx instance.+
−
  * @rmtoll CR2          CPOL          LL_USART_GetClockPolarity+
−
  * @param  USARTx USART Instance+
−
  * @retval Returned value can be one of the following values:+
−
  *         @arg @ref LL_USART_POLARITY_LOW+
−
  *         @arg @ref LL_USART_POLARITY_HIGH+
−
  */+
−
__STATIC_INLINE uint32_t LL_USART_GetClockPolarity(USART_TypeDef *USARTx)+
−
{+
−
  return (uint32_t)(READ_BIT(USARTx->CR2, USART_CR2_CPOL));+
−
}+
−
+
−
/**+
−
  * @brief  Configure Clock signal format (Phase Polarity and choice about output of last bit clock pulse)+
−
  * @note   Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not+
−
  *         Synchronous mode is supported by the USARTx instance.+
−
  * @note   Call of this function is equivalent to following function call sequence :+
−
  *         - Clock Phase configuration using @ref LL_USART_SetClockPhase() function+
−
  *         - Clock Polarity configuration using @ref LL_USART_SetClockPolarity() function+
−
  *         - Output of Last bit Clock pulse configuration using @ref LL_USART_SetLastClkPulseOutput() function+
−
  * @rmtoll CR2          CPHA          LL_USART_ConfigClock\n+
−
  *         CR2          CPOL          LL_USART_ConfigClock\n+
−
  *         CR2          LBCL          LL_USART_ConfigClock+
−
  * @param  USARTx USART Instance+
−
  * @param  Phase This parameter can be one of the following values:+
−
  *         @arg @ref LL_USART_PHASE_1EDGE+
−
  *         @arg @ref LL_USART_PHASE_2EDGE+
−
  * @param  Polarity This parameter can be one of the following values:+
−
  *         @arg @ref LL_USART_POLARITY_LOW+
−
  *         @arg @ref LL_USART_POLARITY_HIGH+
−
  * @param  LBCPOutput This parameter can be one of the following values:+
−
  *         @arg @ref LL_USART_LASTCLKPULSE_NO_OUTPUT+
−
  *         @arg @ref LL_USART_LASTCLKPULSE_OUTPUT+
−
  * @retval None+
−
  */+
−
__STATIC_INLINE void LL_USART_ConfigClock(USART_TypeDef *USARTx, uint32_t Phase, uint32_t Polarity, uint32_t LBCPOutput)+
−
{+
−
  MODIFY_REG(USARTx->CR2, USART_CR2_CPHA | USART_CR2_CPOL | USART_CR2_LBCL, Phase | Polarity | LBCPOutput);+
−
}+
−
+
−
/**+
−
  * @brief  Enable Clock output on SCLK pin+
−
  * @note   Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not+
−
  *         Synchronous mode is supported by the USARTx instance.+
−
  * @rmtoll CR2          CLKEN         LL_USART_EnableSCLKOutput+
−
  * @param  USARTx USART Instance+
−
  * @retval None+
−
  */+
−
__STATIC_INLINE void LL_USART_EnableSCLKOutput(USART_TypeDef *USARTx)+
−
{+
−
  SET_BIT(USARTx->CR2, USART_CR2_CLKEN);+
−
}+
−
+
−
/**+
−
  * @brief  Disable Clock output on SCLK pin+
−
  * @note   Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not+
−
  *         Synchronous mode is supported by the USARTx instance.+
−
  * @rmtoll CR2          CLKEN         LL_USART_DisableSCLKOutput+
−
  * @param  USARTx USART Instance+
−
  * @retval None+
−
  */+
−
__STATIC_INLINE void LL_USART_DisableSCLKOutput(USART_TypeDef *USARTx)+
−
{+
−
  CLEAR_BIT(USARTx->CR2, USART_CR2_CLKEN);+
−
}+
−
+
−
/**+
−
  * @brief  Indicate if Clock output on SCLK pin is enabled+
−
  * @note   Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not+
−
  *         Synchronous mode is supported by the USARTx instance.+
−
  * @rmtoll CR2          CLKEN         LL_USART_IsEnabledSCLKOutput+
−
  * @param  USARTx USART Instance+
−
  * @retval State of bit (1 or 0).+
−
  */+
−
__STATIC_INLINE uint32_t LL_USART_IsEnabledSCLKOutput(USART_TypeDef *USARTx)+
−
{+
−
  return (READ_BIT(USARTx->CR2, USART_CR2_CLKEN) == (USART_CR2_CLKEN));+
−
}+
−
+
−
/**+
−
  * @brief  Set the length of the stop bits+
−
  * @rmtoll CR2          STOP          LL_USART_SetStopBitsLength+
−
  * @param  USARTx USART Instance+
−
  * @param  StopBits This parameter can be one of the following values:+
−
  *         @arg @ref LL_USART_STOPBITS_0_5+
−
  *         @arg @ref LL_USART_STOPBITS_1+
−
  *         @arg @ref LL_USART_STOPBITS_1_5+
−
  *         @arg @ref LL_USART_STOPBITS_2+
−
  * @retval None+
−
  */+
−
__STATIC_INLINE void LL_USART_SetStopBitsLength(USART_TypeDef *USARTx, uint32_t StopBits)+
−
{+
−
  MODIFY_REG(USARTx->CR2, USART_CR2_STOP, StopBits);+
−
}+
−
+
−
/**+
−
  * @brief  Retrieve the length of the stop bits+
−
  * @rmtoll CR2          STOP          LL_USART_GetStopBitsLength+
−
  * @param  USARTx USART Instance+
−
  * @retval Returned value can be one of the following values:+
−
  *         @arg @ref LL_USART_STOPBITS_0_5+
−
  *         @arg @ref LL_USART_STOPBITS_1+
−
  *         @arg @ref LL_USART_STOPBITS_1_5+
−
  *         @arg @ref LL_USART_STOPBITS_2+
−
  */+
−
__STATIC_INLINE uint32_t LL_USART_GetStopBitsLength(USART_TypeDef *USARTx)+
−
{+
−
  return (uint32_t)(READ_BIT(USARTx->CR2, USART_CR2_STOP));+
−
}+
−
+
−
/**+
−
  * @brief  Configure Character frame format (Datawidth, Parity control, Stop Bits)+
−
  * @note   Call of this function is equivalent to following function call sequence :+
−
  *         - Data Width configuration using @ref LL_USART_SetDataWidth() function+
−
  *         - Parity Control and mode configuration using @ref LL_USART_SetParity() function+
−
  *         - Stop bits configuration using @ref LL_USART_SetStopBitsLength() function+
−
  * @rmtoll CR1          PS            LL_USART_ConfigCharacter\n+
−
  *         CR1          PCE           LL_USART_ConfigCharacter\n+
−
  *         CR1          M             LL_USART_ConfigCharacter\n+
−
  *         CR2          STOP          LL_USART_ConfigCharacter+
−
  * @param  USARTx USART Instance+
−
  * @param  DataWidth This parameter can be one of the following values:+
−
  *         @arg @ref LL_USART_DATAWIDTH_8B+
−
  *         @arg @ref LL_USART_DATAWIDTH_9B+
−
  * @param  Parity This parameter can be one of the following values:+
−
  *         @arg @ref LL_USART_PARITY_NONE+
−
  *         @arg @ref LL_USART_PARITY_EVEN+
−
  *         @arg @ref LL_USART_PARITY_ODD+
−
  * @param  StopBits This parameter can be one of the following values:+
−
  *         @arg @ref LL_USART_STOPBITS_0_5+
−
  *         @arg @ref LL_USART_STOPBITS_1+
−
  *         @arg @ref LL_USART_STOPBITS_1_5+
−
  *         @arg @ref LL_USART_STOPBITS_2+
−
  * @retval None+
−
  */+
−
__STATIC_INLINE void LL_USART_ConfigCharacter(USART_TypeDef *USARTx, uint32_t DataWidth, uint32_t Parity,+
−
                                              uint32_t StopBits)+
−
{+
−
  MODIFY_REG(USARTx->CR1, USART_CR1_PS | USART_CR1_PCE | USART_CR1_M, Parity | DataWidth);+
−
  MODIFY_REG(USARTx->CR2, USART_CR2_STOP, StopBits);+
−
}+
−
+
−
/**+
−
  * @brief  Set Address of the USART node.+
−
  * @note   This is used in multiprocessor communication during Mute mode or Stop mode,+
−
  *         for wake up with address mark detection.+
−
  * @rmtoll CR2          ADD           LL_USART_SetNodeAddress+
−
  * @param  USARTx USART Instance+
−
  * @param  NodeAddress 4 bit Address of the USART node.+
−
  * @retval None+
−
  */+
−
__STATIC_INLINE void LL_USART_SetNodeAddress(USART_TypeDef *USARTx, uint32_t NodeAddress)+
−
{+
−
  MODIFY_REG(USARTx->CR2, USART_CR2_ADD, (NodeAddress & USART_CR2_ADD));+
−
}+
−
+
−
/**+
−
  * @brief  Return 4 bit Address of the USART node as set in ADD field of CR2.+
−
  * @note   only 4bits (b3-b0) of returned value are relevant (b31-b4 are not relevant)+
−
  * @rmtoll CR2          ADD           LL_USART_GetNodeAddress+
−
  * @param  USARTx USART Instance+
−
  * @retval Address of the USART node (Value between Min_Data=0 and Max_Data=255)+
−
  */+
−
__STATIC_INLINE uint32_t LL_USART_GetNodeAddress(USART_TypeDef *USARTx)+
−
{+
−
  return (uint32_t)(READ_BIT(USARTx->CR2, USART_CR2_ADD));+
−
}+
−
+
−
/**+
−
  * @brief  Enable RTS HW Flow Control+
−
  * @note   Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not+
−
  *         Hardware Flow control feature is supported by the USARTx instance.+
−
  * @rmtoll CR3          RTSE          LL_USART_EnableRTSHWFlowCtrl+
−
  * @param  USARTx USART Instance+
−
  * @retval None+
−
  */+
−
__STATIC_INLINE void LL_USART_EnableRTSHWFlowCtrl(USART_TypeDef *USARTx)+
−
{+
−
  SET_BIT(USARTx->CR3, USART_CR3_RTSE);+
−
}+
−
+
−
/**+
−
  * @brief  Disable RTS HW Flow Control+
−
  * @note   Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not+
−
  *         Hardware Flow control feature is supported by the USARTx instance.+
−
  * @rmtoll CR3          RTSE          LL_USART_DisableRTSHWFlowCtrl+
−
  * @param  USARTx USART Instance+
−
  * @retval None+
−
  */+
−
__STATIC_INLINE void LL_USART_DisableRTSHWFlowCtrl(USART_TypeDef *USARTx)+
−
{+
−
  CLEAR_BIT(USARTx->CR3, USART_CR3_RTSE);+
−
}+
−
+
−
/**+
−
  * @brief  Enable CTS HW Flow Control+
−
  * @note   Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not+
−
  *         Hardware Flow control feature is supported by the USARTx instance.+
−
  * @rmtoll CR3          CTSE          LL_USART_EnableCTSHWFlowCtrl+
−
  * @param  USARTx USART Instance+
−
  * @retval None+
−
  */+
−
__STATIC_INLINE void LL_USART_EnableCTSHWFlowCtrl(USART_TypeDef *USARTx)+
−
{+
−
  SET_BIT(USARTx->CR3, USART_CR3_CTSE);+
−
}+
−
+
−
/**+
−
  * @brief  Disable CTS HW Flow Control+
−
  * @note   Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not+
−
  *         Hardware Flow control feature is supported by the USARTx instance.+
−
  * @rmtoll CR3          CTSE          LL_USART_DisableCTSHWFlowCtrl+
−
  * @param  USARTx USART Instance+
−
  * @retval None+
−
  */+
−
__STATIC_INLINE void LL_USART_DisableCTSHWFlowCtrl(USART_TypeDef *USARTx)+
−
{+
−
  CLEAR_BIT(USARTx->CR3, USART_CR3_CTSE);+
−
}+
−
+
−
/**+
−
  * @brief  Configure HW Flow Control mode (both CTS and RTS)+
−
  * @note   Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not+
−
  *         Hardware Flow control feature is supported by the USARTx instance.+
−
  * @rmtoll CR3          RTSE          LL_USART_SetHWFlowCtrl\n+
−
  *         CR3          CTSE          LL_USART_SetHWFlowCtrl+
−
  * @param  USARTx USART Instance+
−
  * @param  HardwareFlowControl This parameter can be one of the following values:+
−
  *         @arg @ref LL_USART_HWCONTROL_NONE+
−
  *         @arg @ref LL_USART_HWCONTROL_RTS+
−
  *         @arg @ref LL_USART_HWCONTROL_CTS+
−
  *         @arg @ref LL_USART_HWCONTROL_RTS_CTS+
−
  * @retval None+
−
  */+
−
__STATIC_INLINE void LL_USART_SetHWFlowCtrl(USART_TypeDef *USARTx, uint32_t HardwareFlowControl)+
−
{+
−
  MODIFY_REG(USARTx->CR3, USART_CR3_RTSE | USART_CR3_CTSE, HardwareFlowControl);+
−
}+
−
+
−
/**+
−
  * @brief  Return HW Flow Control configuration (both CTS and RTS)+
−
  * @note   Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not+
−
  *         Hardware Flow control feature is supported by the USARTx instance.+
−
  * @rmtoll CR3          RTSE          LL_USART_GetHWFlowCtrl\n+
−
  *         CR3          CTSE          LL_USART_GetHWFlowCtrl+
−
  * @param  USARTx USART Instance+
−
  * @retval Returned value can be one of the following values:+
−
  *         @arg @ref LL_USART_HWCONTROL_NONE+
−
  *         @arg @ref LL_USART_HWCONTROL_RTS+
−
  *         @arg @ref LL_USART_HWCONTROL_CTS+
−
  *         @arg @ref LL_USART_HWCONTROL_RTS_CTS+
−
  */+
−
__STATIC_INLINE uint32_t LL_USART_GetHWFlowCtrl(USART_TypeDef *USARTx)+
−
{+
−
  return (uint32_t)(READ_BIT(USARTx->CR3, USART_CR3_RTSE | USART_CR3_CTSE));+
−
}+
−
+
−
/**+
−
  * @brief  Enable One bit sampling method+
−
  * @rmtoll CR3          ONEBIT        LL_USART_EnableOneBitSamp+
−
  * @param  USARTx USART Instance+
−
  * @retval None+
−
  */+
−
__STATIC_INLINE void LL_USART_EnableOneBitSamp(USART_TypeDef *USARTx)+
−
{+
−
  SET_BIT(USARTx->CR3, USART_CR3_ONEBIT);+
−
}+
−
+
−
/**+
−
  * @brief  Disable One bit sampling method+
−
  * @rmtoll CR3          ONEBIT        LL_USART_DisableOneBitSamp+
−
  * @param  USARTx USART Instance+
−
  * @retval None+
−
  */+
−
__STATIC_INLINE void LL_USART_DisableOneBitSamp(USART_TypeDef *USARTx)+
−
{+
−
  CLEAR_BIT(USARTx->CR3, USART_CR3_ONEBIT);+
−
}+
−
+
−
/**+
−
  * @brief  Indicate if One bit sampling method is enabled+
−
  * @rmtoll CR3          ONEBIT        LL_USART_IsEnabledOneBitSamp+
−
  * @param  USARTx USART Instance+
−
  * @retval State of bit (1 or 0).+
−
  */+
−
__STATIC_INLINE uint32_t LL_USART_IsEnabledOneBitSamp(USART_TypeDef *USARTx)+
−
{+
−
  return (READ_BIT(USARTx->CR3, USART_CR3_ONEBIT) == (USART_CR3_ONEBIT));+
−
}+
−
+
−
/**+
−
  * @brief  Configure USART BRR register for achieving expected Baud Rate value.+
−
  * @note   Compute and set USARTDIV value in BRR Register (full BRR content)+
−
  *         according to used Peripheral Clock, Oversampling mode, and expected Baud Rate values+
−
  * @note   Peripheral clock and Baud rate values provided as function parameters should be valid+
−
  *         (Baud rate value != 0)+
−
  * @rmtoll BRR          BRR           LL_USART_SetBaudRate+
−
  * @param  USARTx USART Instance+
−
  * @param  PeriphClk Peripheral Clock+
−
  * @param  OverSampling This parameter can be one of the following values:+
−
  *         @arg @ref LL_USART_OVERSAMPLING_16+
−
  *         @arg @ref LL_USART_OVERSAMPLING_8+
−
  * @param  BaudRate Baud Rate+
−
  * @retval None+
−
  */+
−
__STATIC_INLINE void LL_USART_SetBaudRate(USART_TypeDef *USARTx, uint32_t PeriphClk, uint32_t OverSampling,+
−
                                          uint32_t BaudRate)+
−
{+
−
  if (OverSampling == LL_USART_OVERSAMPLING_8)+
−
  {+
−
    USARTx->BRR = (uint16_t)(__LL_USART_DIV_SAMPLING8(PeriphClk, BaudRate));+
−
  }+
−
  else+
−
  {+
−
    USARTx->BRR = (uint16_t)(__LL_USART_DIV_SAMPLING16(PeriphClk, BaudRate));+
−
  }+
−
}+
−
+
−
/**+
−
  * @brief  Return current Baud Rate value, according to USARTDIV present in BRR register+
−
  *         (full BRR content), and to used Peripheral Clock and Oversampling mode values+
−
  * @note   In case of non-initialized or invalid value stored in BRR register, value 0 will be returned.+
−
  * @rmtoll BRR          BRR           LL_USART_GetBaudRate+
−
  * @param  USARTx USART Instance+
−
  * @param  PeriphClk Peripheral Clock+
−
  * @param  OverSampling This parameter can be one of the following values:+
−
  *         @arg @ref LL_USART_OVERSAMPLING_16+
−
  *         @arg @ref LL_USART_OVERSAMPLING_8+
−
  * @retval Baud Rate+
−
  */+
−
__STATIC_INLINE uint32_t LL_USART_GetBaudRate(USART_TypeDef *USARTx, uint32_t PeriphClk, uint32_t OverSampling)+
−
{+
−
  register uint32_t usartdiv = 0x0U;+
−
  register uint32_t brrresult = 0x0U;+
−
+
−
  usartdiv = USARTx->BRR;+
−
+
−
  if (OverSampling == LL_USART_OVERSAMPLING_8)+
−
  {+
−
    if ((usartdiv & 0xFFF7U) != 0U)+
−
    {+
−
      usartdiv = (uint16_t)((usartdiv & 0xFFF0U) | ((usartdiv & 0x0007U) << 1U)) ;+
−
      brrresult = (PeriphClk * 2U) / usartdiv;+
−
    }+
−
  }+
−
  else+
−
  {+
−
    if ((usartdiv & 0xFFFFU) != 0U)+
−
    {+
−
      brrresult = PeriphClk / usartdiv;+
−
    }+
−
  }+
−
  return (brrresult);+
−
}+
−
+
−
/**+
−
  * @}+
−
  */+
−
+
−
/** @defgroup USART_LL_EF_Configuration_IRDA Configuration functions related to Irda feature+
−
  * @{+
−
  */+
−
+
−
/**+
−
  * @brief  Enable IrDA mode+
−
  * @note   Macro @ref IS_IRDA_INSTANCE(USARTx) can be used to check whether or not+
−
  *         IrDA feature is supported by the USARTx instance.+
−
  * @rmtoll CR3          IREN          LL_USART_EnableIrda+
−
  * @param  USARTx USART Instance+
−
  * @retval None+
−
  */+
−
__STATIC_INLINE void LL_USART_EnableIrda(USART_TypeDef *USARTx)+
−
{+
−
  SET_BIT(USARTx->CR3, USART_CR3_IREN);+
−
}+
−
+
−
/**+
−
  * @brief  Disable IrDA mode+
−
  * @note   Macro @ref IS_IRDA_INSTANCE(USARTx) can be used to check whether or not+
−
  *         IrDA feature is supported by the USARTx instance.+
−
  * @rmtoll CR3          IREN          LL_USART_DisableIrda+
−
  * @param  USARTx USART Instance+
−
  * @retval None+
−
  */+
−
__STATIC_INLINE void LL_USART_DisableIrda(USART_TypeDef *USARTx)+
−
{+
−
  CLEAR_BIT(USARTx->CR3, USART_CR3_IREN);+
−
}+
−
+
−
/**+
−
  * @brief  Indicate if IrDA mode is enabled+
−
  * @note   Macro @ref IS_IRDA_INSTANCE(USARTx) can be used to check whether or not+
−
  *         IrDA feature is supported by the USARTx instance.+
−
  * @rmtoll CR3          IREN          LL_USART_IsEnabledIrda+
−
  * @param  USARTx USART Instance+
−
  * @retval State of bit (1 or 0).+
−
  */+
−
__STATIC_INLINE uint32_t LL_USART_IsEnabledIrda(USART_TypeDef *USARTx)+
−
{+
−
  return (READ_BIT(USARTx->CR3, USART_CR3_IREN) == (USART_CR3_IREN));+
−
}+
−
+
−
/**+
−
  * @brief  Configure IrDA Power Mode (Normal or Low Power)+
−
  * @note   Macro @ref IS_IRDA_INSTANCE(USARTx) can be used to check whether or not+
−
  *         IrDA feature is supported by the USARTx instance.+
−
  * @rmtoll CR3          IRLP          LL_USART_SetIrdaPowerMode+
−
  * @param  USARTx USART Instance+
−
  * @param  PowerMode This parameter can be one of the following values:+
−
  *         @arg @ref LL_USART_IRDA_POWER_NORMAL+
−
  *         @arg @ref LL_USART_IRDA_POWER_LOW+
−
  * @retval None+
−
  */+
−
__STATIC_INLINE void LL_USART_SetIrdaPowerMode(USART_TypeDef *USARTx, uint32_t PowerMode)+
−
{+
−
  MODIFY_REG(USARTx->CR3, USART_CR3_IRLP, PowerMode);+
−
}+
−
+
−
/**+
−
  * @brief  Retrieve IrDA Power Mode configuration (Normal or Low Power)+
−
  * @note   Macro @ref IS_IRDA_INSTANCE(USARTx) can be used to check whether or not+
−
  *         IrDA feature is supported by the USARTx instance.+
−
  * @rmtoll CR3          IRLP          LL_USART_GetIrdaPowerMode+
−
  * @param  USARTx USART Instance+
−
  * @retval Returned value can be one of the following values:+
−
  *         @arg @ref LL_USART_IRDA_POWER_NORMAL+
−
  *         @arg @ref LL_USART_PHASE_2EDGE+
−
  */+
−
__STATIC_INLINE uint32_t LL_USART_GetIrdaPowerMode(USART_TypeDef *USARTx)+
−
{+
−
  return (uint32_t)(READ_BIT(USARTx->CR3, USART_CR3_IRLP));+
−
}+
−
+
−
/**+
−
  * @brief  Set Irda prescaler value, used for dividing the USART clock source+
−
  *         to achieve the Irda Low Power frequency (8 bits value)+
−
  * @note   Macro @ref IS_IRDA_INSTANCE(USARTx) can be used to check whether or not+
−
  *         IrDA feature is supported by the USARTx instance.+
−
  * @rmtoll GTPR         PSC           LL_USART_SetIrdaPrescaler+
−
  * @param  USARTx USART Instance+
−
  * @param  PrescalerValue Value between Min_Data=0x00 and Max_Data=0xFF+
−
  * @retval None+
−
  */+
−
__STATIC_INLINE void LL_USART_SetIrdaPrescaler(USART_TypeDef *USARTx, uint32_t PrescalerValue)+
−
{+
−
  MODIFY_REG(USARTx->GTPR, USART_GTPR_PSC, PrescalerValue);+
−
}+
−
+
−
/**+
−
  * @brief  Return Irda prescaler value, used for dividing the USART clock source+
−
  *         to achieve the Irda Low Power frequency (8 bits value)+
−
  * @note   Macro @ref IS_IRDA_INSTANCE(USARTx) can be used to check whether or not+
−
  *         IrDA feature is supported by the USARTx instance.+
−
  * @rmtoll GTPR         PSC           LL_USART_GetIrdaPrescaler+
−
  * @param  USARTx USART Instance+
−
  * @retval Irda prescaler value (Value between Min_Data=0x00 and Max_Data=0xFF)+
−
  */+
−
__STATIC_INLINE uint32_t LL_USART_GetIrdaPrescaler(USART_TypeDef *USARTx)+
−
{+
−
  return (uint32_t)(READ_BIT(USARTx->GTPR, USART_GTPR_PSC));+
−
}+
−
+
−
/**+
−
  * @}+
−
  */+
−
+
−
/** @defgroup USART_LL_EF_Configuration_Smartcard Configuration functions related to Smartcard feature+
−
  * @{+
−
  */+
−
+
−
/**+
−
  * @brief  Enable Smartcard NACK transmission+
−
  * @note   Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not+
−
  *         Smartcard feature is supported by the USARTx instance.+
−
  * @rmtoll CR3          NACK          LL_USART_EnableSmartcardNACK+
−
  * @param  USARTx USART Instance+
−
  * @retval None+
−
  */+
−
__STATIC_INLINE void LL_USART_EnableSmartcardNACK(USART_TypeDef *USARTx)+
−
{+
−
  SET_BIT(USARTx->CR3, USART_CR3_NACK);+
−
}+
−
+
−
/**+
−
  * @brief  Disable Smartcard NACK transmission+
−
  * @note   Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not+
−
  *         Smartcard feature is supported by the USARTx instance.+
−
  * @rmtoll CR3          NACK          LL_USART_DisableSmartcardNACK+
−
  * @param  USARTx USART Instance+
−
  * @retval None+
−
  */+
−
__STATIC_INLINE void LL_USART_DisableSmartcardNACK(USART_TypeDef *USARTx)+
−
{+
−
  CLEAR_BIT(USARTx->CR3, USART_CR3_NACK);+
−
}+
−
+
−
/**+
−
  * @brief  Indicate if Smartcard NACK transmission is enabled+
−
  * @note   Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not+
−
  *         Smartcard feature is supported by the USARTx instance.+
−
  * @rmtoll CR3          NACK          LL_USART_IsEnabledSmartcardNACK+
−
  * @param  USARTx USART Instance+
−
  * @retval State of bit (1 or 0).+
−
  */+
−
__STATIC_INLINE uint32_t LL_USART_IsEnabledSmartcardNACK(USART_TypeDef *USARTx)+
−
{+
−
  return (READ_BIT(USARTx->CR3, USART_CR3_NACK) == (USART_CR3_NACK));+
−
}+
−
+
−
/**+
−
  * @brief  Enable Smartcard mode+
−
  * @note   Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not+
−
  *         Smartcard feature is supported by the USARTx instance.+
−
  * @rmtoll CR3          SCEN          LL_USART_EnableSmartcard+
−
  * @param  USARTx USART Instance+
−
  * @retval None+
−
  */+
−
__STATIC_INLINE void LL_USART_EnableSmartcard(USART_TypeDef *USARTx)+
−
{+
−
  SET_BIT(USARTx->CR3, USART_CR3_SCEN);+
−
}+
−
+
−
/**+
−
  * @brief  Disable Smartcard mode+
−
  * @note   Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not+
−
  *         Smartcard feature is supported by the USARTx instance.+
−
  * @rmtoll CR3          SCEN          LL_USART_DisableSmartcard+
−
  * @param  USARTx USART Instance+
−
  * @retval None+
−
  */+
−
__STATIC_INLINE void LL_USART_DisableSmartcard(USART_TypeDef *USARTx)+
−
{+
−
  CLEAR_BIT(USARTx->CR3, USART_CR3_SCEN);+
−
}+
−
+
−
/**+
−
  * @brief  Indicate if Smartcard mode is enabled+
−
  * @note   Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not+
−
  *         Smartcard feature is supported by the USARTx instance.+
−
  * @rmtoll CR3          SCEN          LL_USART_IsEnabledSmartcard+
−
  * @param  USARTx USART Instance+
−
  * @retval State of bit (1 or 0).+
−
  */+
−
__STATIC_INLINE uint32_t LL_USART_IsEnabledSmartcard(USART_TypeDef *USARTx)+
−
{+
−
  return (READ_BIT(USARTx->CR3, USART_CR3_SCEN) == (USART_CR3_SCEN));+
−
}+
−
+
−
/**+
−
  * @brief  Set Smartcard prescaler value, used for dividing the USART clock+
−
  *         source to provide the SMARTCARD Clock (5 bits value)+
−
  * @note   Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not+
−
  *         Smartcard feature is supported by the USARTx instance.+
−
  * @rmtoll GTPR         PSC           LL_USART_SetSmartcardPrescaler+
−
  * @param  USARTx USART Instance+
−
  * @param  PrescalerValue Value between Min_Data=0 and Max_Data=31+
−
  * @retval None+
−
  */+
−
__STATIC_INLINE void LL_USART_SetSmartcardPrescaler(USART_TypeDef *USARTx, uint32_t PrescalerValue)+
−
{+
−
  MODIFY_REG(USARTx->GTPR, USART_GTPR_PSC, PrescalerValue);+
−
}+
−
+
−
/**+
−
  * @brief  Return Smartcard prescaler value, used for dividing the USART clock+
−
  *         source to provide the SMARTCARD Clock (5 bits value)+
−
  * @note   Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not+
−
  *         Smartcard feature is supported by the USARTx instance.+
−
  * @rmtoll GTPR         PSC           LL_USART_GetSmartcardPrescaler+
−
  * @param  USARTx USART Instance+
−
  * @retval Smartcard prescaler value (Value between Min_Data=0 and Max_Data=31)+
−
  */+
−
__STATIC_INLINE uint32_t LL_USART_GetSmartcardPrescaler(USART_TypeDef *USARTx)+
−
{+
−
  return (uint32_t)(READ_BIT(USARTx->GTPR, USART_GTPR_PSC));+
−
}+
−
+
−
/**+
−
  * @brief  Set Smartcard Guard time value, expressed in nb of baud clocks periods+
−
  *         (GT[7:0] bits : Guard time value)+
−
  * @note   Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not+
−
  *         Smartcard feature is supported by the USARTx instance.+
−
  * @rmtoll GTPR         GT            LL_USART_SetSmartcardGuardTime+
−
  * @param  USARTx USART Instance+
−
  * @param  GuardTime Value between Min_Data=0x00 and Max_Data=0xFF+
−
  * @retval None+
−
  */+
−
__STATIC_INLINE void LL_USART_SetSmartcardGuardTime(USART_TypeDef *USARTx, uint32_t GuardTime)+
−
{+
−
  MODIFY_REG(USARTx->GTPR, USART_GTPR_GT, GuardTime << USART_POSITION_GTPR_GT);+
−
}+
−
+
−
/**+
−
  * @brief  Return Smartcard Guard time value, expressed in nb of baud clocks periods+
−
  *         (GT[7:0] bits : Guard time value)+
−
  * @note   Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not+
−
  *         Smartcard feature is supported by the USARTx instance.+
−
  * @rmtoll GTPR         GT            LL_USART_GetSmartcardGuardTime+
−
  * @param  USARTx USART Instance+
−
  * @retval Smartcard Guard time value (Value between Min_Data=0x00 and Max_Data=0xFF)+
−
  */+
−
__STATIC_INLINE uint32_t LL_USART_GetSmartcardGuardTime(USART_TypeDef *USARTx)+
−
{+
−
  return (uint32_t)(READ_BIT(USARTx->GTPR, USART_GTPR_GT) >> USART_POSITION_GTPR_GT);+
−
}+
−
+
−
/**+
−
  * @}+
−
  */+
−
+
−
/** @defgroup USART_LL_EF_Configuration_HalfDuplex Configuration functions related to Half Duplex feature+
−
  * @{+
−
  */+
−
+
−
/**+
−
  * @brief  Enable Single Wire Half-Duplex mode+
−
  * @note   Macro @ref IS_UART_HALFDUPLEX_INSTANCE(USARTx) can be used to check whether or not+
−
  *         Half-Duplex mode is supported by the USARTx instance.+
−
  * @rmtoll CR3          HDSEL         LL_USART_EnableHalfDuplex+
−
  * @param  USARTx USART Instance+
−
  * @retval None+
−
  */+
−
__STATIC_INLINE void LL_USART_EnableHalfDuplex(USART_TypeDef *USARTx)+
−
{+
−
  SET_BIT(USARTx->CR3, USART_CR3_HDSEL);+
−
}+
−
+
−
/**+
−
  * @brief  Disable Single Wire Half-Duplex mode+
−
  * @note   Macro @ref IS_UART_HALFDUPLEX_INSTANCE(USARTx) can be used to check whether or not+
−
  *         Half-Duplex mode is supported by the USARTx instance.+
−
  * @rmtoll CR3          HDSEL         LL_USART_DisableHalfDuplex+
−
  * @param  USARTx USART Instance+
−
  * @retval None+
−
  */+
−
__STATIC_INLINE void LL_USART_DisableHalfDuplex(USART_TypeDef *USARTx)+
−
{+
−
  CLEAR_BIT(USARTx->CR3, USART_CR3_HDSEL);+
−
}+
−
+
−
/**+
−
  * @brief  Indicate if Single Wire Half-Duplex mode is enabled+
−
  * @note   Macro @ref IS_UART_HALFDUPLEX_INSTANCE(USARTx) can be used to check whether or not+
−
  *         Half-Duplex mode is supported by the USARTx instance.+
−
  * @rmtoll CR3          HDSEL         LL_USART_IsEnabledHalfDuplex+
−
  * @param  USARTx USART Instance+
−
  * @retval State of bit (1 or 0).+
−
  */+
−
__STATIC_INLINE uint32_t LL_USART_IsEnabledHalfDuplex(USART_TypeDef *USARTx)+
−
{+
−
  return (READ_BIT(USARTx->CR3, USART_CR3_HDSEL) == (USART_CR3_HDSEL));+
−
}+
−
+
−
/**+
−
  * @}+
−
  */+
−
+
−
/** @defgroup USART_LL_EF_Configuration_LIN Configuration functions related to LIN feature+
−
  * @{+
−
  */+
−
+
−
/**+
−
  * @brief  Set LIN Break Detection Length+
−
  * @note   Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not+
−
  *         LIN feature is supported by the USARTx instance.+
−
  * @rmtoll CR2          LBDL          LL_USART_SetLINBrkDetectionLen+
−
  * @param  USARTx USART Instance+
−
  * @param  LINBDLength This parameter can be one of the following values:+
−
  *         @arg @ref LL_USART_LINBREAK_DETECT_10B+
−
  *         @arg @ref LL_USART_LINBREAK_DETECT_11B+
−
  * @retval None+
−
  */+
−
__STATIC_INLINE void LL_USART_SetLINBrkDetectionLen(USART_TypeDef *USARTx, uint32_t LINBDLength)+
−
{+
−
  MODIFY_REG(USARTx->CR2, USART_CR2_LBDL, LINBDLength);+
−
}+
−
+
−
/**+
−
  * @brief  Return LIN Break Detection Length+
−
  * @note   Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not+
−
  *         LIN feature is supported by the USARTx instance.+
−
  * @rmtoll CR2          LBDL          LL_USART_GetLINBrkDetectionLen+
−
  * @param  USARTx USART Instance+
−
  * @retval Returned value can be one of the following values:+
−
  *         @arg @ref LL_USART_LINBREAK_DETECT_10B+
−
  *         @arg @ref LL_USART_LINBREAK_DETECT_11B+
−
  */+
−
__STATIC_INLINE uint32_t LL_USART_GetLINBrkDetectionLen(USART_TypeDef *USARTx)+
−
{+
−
  return (uint32_t)(READ_BIT(USARTx->CR2, USART_CR2_LBDL));+
−
}+
−
+
−
/**+
−
  * @brief  Enable LIN mode+
−
  * @note   Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not+
−
  *         LIN feature is supported by the USARTx instance.+
−
  * @rmtoll CR2          LINEN         LL_USART_EnableLIN+
−
  * @param  USARTx USART Instance+
−
  * @retval None+
−
  */+
−
__STATIC_INLINE void LL_USART_EnableLIN(USART_TypeDef *USARTx)+
−
{+
−
  SET_BIT(USARTx->CR2, USART_CR2_LINEN);+
−
}+
−
+
−
/**+
−
  * @brief  Disable LIN mode+
−
  * @note   Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not+
−
  *         LIN feature is supported by the USARTx instance.+
−
  * @rmtoll CR2          LINEN         LL_USART_DisableLIN+
−
  * @param  USARTx USART Instance+
−
  * @retval None+
−
  */+
−
__STATIC_INLINE void LL_USART_DisableLIN(USART_TypeDef *USARTx)+
−
{+
−
  CLEAR_BIT(USARTx->CR2, USART_CR2_LINEN);+
−
}+
−
+
−
/**+
−
  * @brief  Indicate if LIN mode is enabled+
−
  * @note   Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not+
−
  *         LIN feature is supported by the USARTx instance.+
−
  * @rmtoll CR2          LINEN         LL_USART_IsEnabledLIN+
−
  * @param  USARTx USART Instance+
−
  * @retval State of bit (1 or 0).+
−
  */+
−
__STATIC_INLINE uint32_t LL_USART_IsEnabledLIN(USART_TypeDef *USARTx)+
−
{+
−
  return (READ_BIT(USARTx->CR2, USART_CR2_LINEN) == (USART_CR2_LINEN));+
−
}+
−
+
−
/**+
−
  * @}+
−
  */+
−
+
−
/** @defgroup USART_LL_EF_AdvancedConfiguration Advanced Configurations services+
−
  * @{+
−
  */+
−
+
−
/**+
−
  * @brief  Perform basic configuration of USART for enabling use in Asynchronous Mode (UART)+
−
  * @note   In UART mode, the following bits must be kept cleared:+
−
  *           - LINEN bit in the USART_CR2 register,+
−
  *           - CLKEN bit in the USART_CR2 register,+
−
  *           - SCEN bit in the USART_CR3 register,+
−
  *           - IREN bit in the USART_CR3 register,+
−
  *           - HDSEL bit in the USART_CR3 register.+
−
  * @note   Call of this function is equivalent to following function call sequence :+
−
  *         - Clear LINEN in CR2 using @ref LL_USART_DisableLIN() function+
−
  *         - Clear CLKEN in CR2 using @ref LL_USART_DisableSCLKOutput() function+
−
  *         - Clear SCEN in CR3 using @ref LL_USART_DisableSmartcard() function+
−
  *         - Clear IREN in CR3 using @ref LL_USART_DisableIrda() function+
−
  *         - Clear HDSEL in CR3 using @ref LL_USART_DisableHalfDuplex() function+
−
  * @note   Other remaining configurations items related to Asynchronous Mode+
−
  *         (as Baud Rate, Word length, Parity, ...) should be set using+
−
  *         dedicated functions+
−
  * @rmtoll CR2          LINEN         LL_USART_ConfigAsyncMode\n+
−
  *         CR2          CLKEN         LL_USART_ConfigAsyncMode\n+
−
  *         CR3          SCEN          LL_USART_ConfigAsyncMode\n+
−
  *         CR3          IREN          LL_USART_ConfigAsyncMode\n+
−
  *         CR3          HDSEL         LL_USART_ConfigAsyncMode+
−
  * @param  USARTx USART Instance+
−
  * @retval None+
−
  */+
−
__STATIC_INLINE void LL_USART_ConfigAsyncMode(USART_TypeDef *USARTx)+
−
{+
−
  /* In Asynchronous mode, the following bits must be kept cleared:+
−
  - LINEN, CLKEN bits in the USART_CR2 register,+
−
  - SCEN, IREN and HDSEL bits in the USART_CR3 register.*/+
−
  CLEAR_BIT(USARTx->CR2, (USART_CR2_LINEN | USART_CR2_CLKEN));+
−
  CLEAR_BIT(USARTx->CR3, (USART_CR3_SCEN | USART_CR3_IREN | USART_CR3_HDSEL));+
−
}+
−
+
−
/**+
−
  * @brief  Perform basic configuration of USART for enabling use in Synchronous Mode+
−
  * @note   In Synchronous mode, the following bits must be kept cleared:+
−
  *           - LINEN bit in the USART_CR2 register,+
−
  *           - SCEN bit in the USART_CR3 register,+
−
  *           - IREN bit in the USART_CR3 register,+
−
  *           - HDSEL bit in the USART_CR3 register.+
−
  *         This function also sets the USART in Synchronous mode.+
−
  * @note   Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not+
−
  *         Synchronous mode is supported by the USARTx instance.+
−
  * @note   Call of this function is equivalent to following function call sequence :+
−
  *         - Clear LINEN in CR2 using @ref LL_USART_DisableLIN() function+
−
  *         - Clear IREN in CR3 using @ref LL_USART_DisableIrda() function+
−
  *         - Clear SCEN in CR3 using @ref LL_USART_DisableSmartcard() function+
−
  *         - Clear HDSEL in CR3 using @ref LL_USART_DisableHalfDuplex() function+
−
  *         - Set CLKEN in CR2 using @ref LL_USART_EnableSCLKOutput() function+
−
  * @note   Other remaining configurations items related to Synchronous Mode+
−
  *         (as Baud Rate, Word length, Parity, Clock Polarity, ...) should be set using+
−
  *         dedicated functions+
−
  * @rmtoll CR2          LINEN         LL_USART_ConfigSyncMode\n+
−
  *         CR2          CLKEN         LL_USART_ConfigSyncMode\n+
−
  *         CR3          SCEN          LL_USART_ConfigSyncMode\n+
−
  *         CR3          IREN          LL_USART_ConfigSyncMode\n+
−
  *         CR3          HDSEL         LL_USART_ConfigSyncMode+
−
  * @param  USARTx USART Instance+
−
  * @retval None+
−
  */+
−
__STATIC_INLINE void LL_USART_ConfigSyncMode(USART_TypeDef *USARTx)+
−
{+
−
  /* In Synchronous mode, the following bits must be kept cleared:+
−
  - LINEN bit in the USART_CR2 register,+
−
  - SCEN, IREN and HDSEL bits in the USART_CR3 register.*/+
−
  CLEAR_BIT(USARTx->CR2, (USART_CR2_LINEN));+
−
  CLEAR_BIT(USARTx->CR3, (USART_CR3_SCEN | USART_CR3_IREN | USART_CR3_HDSEL));+
−
  /* set the UART/USART in Synchronous mode */+
−
  SET_BIT(USARTx->CR2, USART_CR2_CLKEN);+
−
}+
−
+
−
/**+
−
  * @brief  Perform basic configuration of USART for enabling use in LIN Mode+
−
  * @note   In LIN mode, the following bits must be kept cleared:+
−
  *           - STOP and CLKEN bits in the USART_CR2 register,+
−
  *           - SCEN bit in the USART_CR3 register,+
−
  *           - IREN bit in the USART_CR3 register,+
−
  *           - HDSEL bit in the USART_CR3 register.+
−
  *         This function also set the UART/USART in LIN mode.+
−
  * @note   Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not+
−
  *         LIN feature is supported by the USARTx instance.+
−
  * @note   Call of this function is equivalent to following function call sequence :+
−
  *         - Clear CLKEN in CR2 using @ref LL_USART_DisableSCLKOutput() function+
−
  *         - Clear STOP in CR2 using @ref LL_USART_SetStopBitsLength() function+
−
  *         - Clear SCEN in CR3 using @ref LL_USART_DisableSmartcard() function+
−
  *         - Clear IREN in CR3 using @ref LL_USART_DisableIrda() function+
−
  *         - Clear HDSEL in CR3 using @ref LL_USART_DisableHalfDuplex() function+
−
  *         - Set LINEN in CR2 using @ref LL_USART_EnableLIN() function+
−
  * @note   Other remaining configurations items related to LIN Mode+
−
  *         (as Baud Rate, Word length, LIN Break Detection Length, ...) should be set using+
−
  *         dedicated functions+
−
  * @rmtoll CR2          CLKEN         LL_USART_ConfigLINMode\n+
−
  *         CR2          STOP          LL_USART_ConfigLINMode\n+
−
  *         CR2          LINEN         LL_USART_ConfigLINMode\n+
−
  *         CR3          IREN          LL_USART_ConfigLINMode\n+
−
  *         CR3          SCEN          LL_USART_ConfigLINMode\n+
−
  *         CR3          HDSEL         LL_USART_ConfigLINMode+
−
  * @param  USARTx USART Instance+
−
  * @retval None+
−
  */+
−
__STATIC_INLINE void LL_USART_ConfigLINMode(USART_TypeDef *USARTx)+
−
{+
−
  /* In LIN mode, the following bits must be kept cleared:+
−
  - STOP and CLKEN bits in the USART_CR2 register,+
−
  - IREN, SCEN and HDSEL bits in the USART_CR3 register.*/+
−
  CLEAR_BIT(USARTx->CR2, (USART_CR2_CLKEN | USART_CR2_STOP));+
−
  CLEAR_BIT(USARTx->CR3, (USART_CR3_IREN | USART_CR3_SCEN | USART_CR3_HDSEL));+
−
  /* Set the UART/USART in LIN mode */+
−
  SET_BIT(USARTx->CR2, USART_CR2_LINEN);+
−
}+
−
+
−
/**+
−
  * @brief  Perform basic configuration of USART for enabling use in Half Duplex Mode+
−
  * @note   In Half Duplex mode, the following bits must be kept cleared:+
−
  *           - LINEN bit in the USART_CR2 register,+
−
  *           - CLKEN bit in the USART_CR2 register,+
−
  *           - SCEN bit in the USART_CR3 register,+
−
  *           - IREN bit in the USART_CR3 register,+
−
  *         This function also sets the UART/USART in Half Duplex mode.+
−
  * @note   Macro @ref IS_UART_HALFDUPLEX_INSTANCE(USARTx) can be used to check whether or not+
−
  *         Half-Duplex mode is supported by the USARTx instance.+
−
  * @note   Call of this function is equivalent to following function call sequence :+
−
  *         - Clear LINEN in CR2 using @ref LL_USART_DisableLIN() function+
−
  *         - Clear CLKEN in CR2 using @ref LL_USART_DisableSCLKOutput() function+
−
  *         - Clear SCEN in CR3 using @ref LL_USART_DisableSmartcard() function+
−
  *         - Clear IREN in CR3 using @ref LL_USART_DisableIrda() function+
−
  *         - Set HDSEL in CR3 using @ref LL_USART_EnableHalfDuplex() function+
−
  * @note   Other remaining configurations items related to Half Duplex Mode+
−
  *         (as Baud Rate, Word length, Parity, ...) should be set using+
−
  *         dedicated functions+
−
  * @rmtoll CR2          LINEN         LL_USART_ConfigHalfDuplexMode\n+
−
  *         CR2          CLKEN         LL_USART_ConfigHalfDuplexMode\n+
−
  *         CR3          HDSEL         LL_USART_ConfigHalfDuplexMode\n+
−
  *         CR3          SCEN          LL_USART_ConfigHalfDuplexMode\n+
−
  *         CR3          IREN          LL_USART_ConfigHalfDuplexMode+
−
  * @param  USARTx USART Instance+
−
  * @retval None+
−
  */+
−
__STATIC_INLINE void LL_USART_ConfigHalfDuplexMode(USART_TypeDef *USARTx)+
−
{+
−
  /* In Half Duplex mode, the following bits must be kept cleared:+
−
  - LINEN and CLKEN bits in the USART_CR2 register,+
−
  - SCEN and IREN bits in the USART_CR3 register.*/+
−
  CLEAR_BIT(USARTx->CR2, (USART_CR2_LINEN | USART_CR2_CLKEN));+
−
  CLEAR_BIT(USARTx->CR3, (USART_CR3_SCEN | USART_CR3_IREN));+
−
  /* set the UART/USART in Half Duplex mode */+
−
  SET_BIT(USARTx->CR3, USART_CR3_HDSEL);+
−
}+
−
+
−
/**+
−
  * @brief  Perform basic configuration of USART for enabling use in Smartcard Mode+
−
  * @note   In Smartcard mode, the following bits must be kept cleared:+
−
  *           - LINEN bit in the USART_CR2 register,+
−
  *           - IREN bit in the USART_CR3 register,+
−
  *           - HDSEL bit in the USART_CR3 register.+
−
  *         This function also configures Stop bits to 1.5 bits and+
−
  *         sets the USART in Smartcard mode (SCEN bit).+
−
  *         Clock Output is also enabled (CLKEN).+
−
  * @note   Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not+
−
  *         Smartcard feature is supported by the USARTx instance.+
−
  * @note   Call of this function is equivalent to following function call sequence :+
−
  *         - Clear LINEN in CR2 using @ref LL_USART_DisableLIN() function+
−
  *         - Clear IREN in CR3 using @ref LL_USART_DisableIrda() function+
−
  *         - Clear HDSEL in CR3 using @ref LL_USART_DisableHalfDuplex() function+
−
  *         - Configure STOP in CR2 using @ref LL_USART_SetStopBitsLength() function+
−
  *         - Set CLKEN in CR2 using @ref LL_USART_EnableSCLKOutput() function+
−
  *         - Set SCEN in CR3 using @ref LL_USART_EnableSmartcard() function+
−
  * @note   Other remaining configurations items related to Smartcard Mode+
−
  *         (as Baud Rate, Word length, Parity, ...) should be set using+
−
  *         dedicated functions+
−
  * @rmtoll CR2          LINEN         LL_USART_ConfigSmartcardMode\n+
−
  *         CR2          STOP          LL_USART_ConfigSmartcardMode\n+
−
  *         CR2          CLKEN         LL_USART_ConfigSmartcardMode\n+
−
  *         CR3          HDSEL         LL_USART_ConfigSmartcardMode\n+
−
  *         CR3          SCEN          LL_USART_ConfigSmartcardMode+
−
  * @param  USARTx USART Instance+
−
  * @retval None+
−
  */+
−
__STATIC_INLINE void LL_USART_ConfigSmartcardMode(USART_TypeDef *USARTx)+
−
{+
−
  /* In Smartcard mode, the following bits must be kept cleared:+
−
  - LINEN bit in the USART_CR2 register,+
−
  - IREN and HDSEL bits in the USART_CR3 register.*/+
−
  CLEAR_BIT(USARTx->CR2, (USART_CR2_LINEN));+
−
  CLEAR_BIT(USARTx->CR3, (USART_CR3_IREN | USART_CR3_HDSEL));+
−
  /* Configure Stop bits to 1.5 bits */+
−
  /* Synchronous mode is activated by default */+
−
  SET_BIT(USARTx->CR2, (USART_CR2_STOP_0 | USART_CR2_STOP_1 | USART_CR2_CLKEN));+
−
  /* set the UART/USART in Smartcard mode */+
−
  SET_BIT(USARTx->CR3, USART_CR3_SCEN);+
−
}+
−
+
−
/**+
−
  * @brief  Perform basic configuration of USART for enabling use in Irda Mode+
−
  * @note   In IRDA mode, the following bits must be kept cleared:+
−
  *           - LINEN bit in the USART_CR2 register,+
−
  *           - STOP and CLKEN bits in the USART_CR2 register,+
−
  *           - SCEN bit in the USART_CR3 register,+
−
  *           - HDSEL bit in the USART_CR3 register.+
−
  *         This function also sets the UART/USART in IRDA mode (IREN bit).+
−
  * @note   Macro @ref IS_IRDA_INSTANCE(USARTx) can be used to check whether or not+
−
  *         IrDA feature is supported by the USARTx instance.+
−
  * @note   Call of this function is equivalent to following function call sequence :+
−
  *         - Clear LINEN in CR2 using @ref LL_USART_DisableLIN() function+
−
  *         - Clear CLKEN in CR2 using @ref LL_USART_DisableSCLKOutput() function+
−
  *         - Clear SCEN in CR3 using @ref LL_USART_DisableSmartcard() function+
−
  *         - Clear HDSEL in CR3 using @ref LL_USART_DisableHalfDuplex() function+
−
  *         - Configure STOP in CR2 using @ref LL_USART_SetStopBitsLength() function+
−
  *         - Set IREN in CR3 using @ref LL_USART_EnableIrda() function+
−
  * @note   Other remaining configurations items related to Irda Mode+
−
  *         (as Baud Rate, Word length, Power mode, ...) should be set using+
−
  *         dedicated functions+
−
  * @rmtoll CR2          LINEN         LL_USART_ConfigIrdaMode\n+
−
  *         CR2          CLKEN         LL_USART_ConfigIrdaMode\n+
−
  *         CR2          STOP          LL_USART_ConfigIrdaMode\n+
−
  *         CR3          SCEN          LL_USART_ConfigIrdaMode\n+
−
  *         CR3          HDSEL         LL_USART_ConfigIrdaMode\n+
−
  *         CR3          IREN          LL_USART_ConfigIrdaMode+
−
  * @param  USARTx USART Instance+
−
  * @retval None+
−
  */+
−
__STATIC_INLINE void LL_USART_ConfigIrdaMode(USART_TypeDef *USARTx)+
−
{+
−
  /* In IRDA mode, the following bits must be kept cleared:+
−
  - LINEN, STOP and CLKEN bits in the USART_CR2 register,+
−
  - SCEN and HDSEL bits in the USART_CR3 register.*/+
−
  CLEAR_BIT(USARTx->CR2, (USART_CR2_LINEN | USART_CR2_CLKEN | USART_CR2_STOP));+
−
  CLEAR_BIT(USARTx->CR3, (USART_CR3_SCEN | USART_CR3_HDSEL));+
−
  /* set the UART/USART in IRDA mode */+
−
  SET_BIT(USARTx->CR3, USART_CR3_IREN);+
−
}+
−
+
−
/**+
−
  * @brief  Perform basic configuration of USART for enabling use in Multi processor Mode+
−
  *         (several USARTs connected in a network, one of the USARTs can be the master,+
−
  *         its TX output connected to the RX inputs of the other slaves USARTs).+
−
  * @note   In MultiProcessor mode, the following bits must be kept cleared:+
−
  *           - LINEN bit in the USART_CR2 register,+
−
  *           - CLKEN bit in the USART_CR2 register,+
−
  *           - SCEN bit in the USART_CR3 register,+
−
  *           - IREN bit in the USART_CR3 register,+
−
  *           - HDSEL bit in the USART_CR3 register.+
−
  * @note   Call of this function is equivalent to following function call sequence :+
−
  *         - Clear LINEN in CR2 using @ref LL_USART_DisableLIN() function+
−
  *         - Clear CLKEN in CR2 using @ref LL_USART_DisableSCLKOutput() function+
−
  *         - Clear SCEN in CR3 using @ref LL_USART_DisableSmartcard() function+
−
  *         - Clear IREN in CR3 using @ref LL_USART_DisableIrda() function+
−
  *         - Clear HDSEL in CR3 using @ref LL_USART_DisableHalfDuplex() function+
−
  * @note   Other remaining configurations items related to Multi processor Mode+
−
  *         (as Baud Rate, Wake Up Method, Node address, ...) should be set using+
−
  *         dedicated functions+
−
  * @rmtoll CR2          LINEN         LL_USART_ConfigMultiProcessMode\n+
−
  *         CR2          CLKEN         LL_USART_ConfigMultiProcessMode\n+
−
  *         CR3          SCEN          LL_USART_ConfigMultiProcessMode\n+
−
  *         CR3          HDSEL         LL_USART_ConfigMultiProcessMode\n+
−
  *         CR3          IREN          LL_USART_ConfigMultiProcessMode+
−
  * @param  USARTx USART Instance+
−
  * @retval None+
−
  */+
−
__STATIC_INLINE void LL_USART_ConfigMultiProcessMode(USART_TypeDef *USARTx)+
−
{+
−
  /* In Multi Processor mode, the following bits must be kept cleared:+
−
  - LINEN and CLKEN bits in the USART_CR2 register,+
−
  - IREN, SCEN and HDSEL bits in the USART_CR3 register.*/+
−
  CLEAR_BIT(USARTx->CR2, (USART_CR2_LINEN | USART_CR2_CLKEN));+
−
  CLEAR_BIT(USARTx->CR3, (USART_CR3_SCEN | USART_CR3_HDSEL | USART_CR3_IREN));+
−
}+
−
+
−
/**+
−
  * @}+
−
  */+
−
+
−
/** @defgroup USART_LL_EF_FLAG_Management FLAG_Management+
−
  * @{+
−
  */+
−
+
−
/**+
−
  * @brief  Check if the USART Parity Error Flag is set or not+
−
  * @rmtoll SR           PE            LL_USART_IsActiveFlag_PE+
−
  * @param  USARTx USART Instance+
−
  * @retval State of bit (1 or 0).+
−
  */+
−
__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_PE(USART_TypeDef *USARTx)+
−
{+
−
  return (READ_BIT(USARTx->SR, USART_SR_PE) == (USART_SR_PE));+
−
}+
−
+
−
/**+
−
  * @brief  Check if the USART Framing Error Flag is set or not+
−
  * @rmtoll SR           FE            LL_USART_IsActiveFlag_FE+
−
  * @param  USARTx USART Instance+
−
  * @retval State of bit (1 or 0).+
−
  */+
−
__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_FE(USART_TypeDef *USARTx)+
−
{+
−
  return (READ_BIT(USARTx->SR, USART_SR_FE) == (USART_SR_FE));+
−
}+
−
+
−
/**+
−
  * @brief  Check if the USART Noise error detected Flag is set or not+
−
  * @rmtoll SR           NF            LL_USART_IsActiveFlag_NE+
−
  * @param  USARTx USART Instance+
−
  * @retval State of bit (1 or 0).+
−
  */+
−
__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_NE(USART_TypeDef *USARTx)+
−
{+
−
  return (READ_BIT(USARTx->SR, USART_SR_NE) == (USART_SR_NE));+
−
}+
−
+
−
/**+
−
  * @brief  Check if the USART OverRun Error Flag is set or not+
−
  * @rmtoll SR           ORE           LL_USART_IsActiveFlag_ORE+
−
  * @param  USARTx USART Instance+
−
  * @retval State of bit (1 or 0).+
−
  */+
−
__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_ORE(USART_TypeDef *USARTx)+
−
{+
−
  return (READ_BIT(USARTx->SR, USART_SR_ORE) == (USART_SR_ORE));+
−
}+
−
+
−
/**+
−
  * @brief  Check if the USART IDLE line detected Flag is set or not+
−
  * @rmtoll SR           IDLE          LL_USART_IsActiveFlag_IDLE+
−
  * @param  USARTx USART Instance+
−
  * @retval State of bit (1 or 0).+
−
  */+
−
__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_IDLE(USART_TypeDef *USARTx)+
−
{+
−
  return (READ_BIT(USARTx->SR, USART_SR_IDLE) == (USART_SR_IDLE));+
−
}+
−
+
−
/**+
−
  * @brief  Check if the USART Read Data Register Not Empty Flag is set or not+
−
  * @rmtoll SR           RXNE          LL_USART_IsActiveFlag_RXNE+
−
  * @param  USARTx USART Instance+
−
  * @retval State of bit (1 or 0).+
−
  */+
−
__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_RXNE(USART_TypeDef *USARTx)+
−
{+
−
  return (READ_BIT(USARTx->SR, USART_SR_RXNE) == (USART_SR_RXNE));+
−
}+
−
+
−
/**+
−
  * @brief  Check if the USART Transmission Complete Flag is set or not+
−
  * @rmtoll SR           TC            LL_USART_IsActiveFlag_TC+
−
  * @param  USARTx USART Instance+
−
  * @retval State of bit (1 or 0).+
−
  */+
−
__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_TC(USART_TypeDef *USARTx)+
−
{+
−
  return (READ_BIT(USARTx->SR, USART_SR_TC) == (USART_SR_TC));+
−
}+
−
+
−
/**+
−
  * @brief  Check if the USART Transmit Data Register Empty Flag is set or not+
−
  * @rmtoll SR           TXE           LL_USART_IsActiveFlag_TXE+
−
  * @param  USARTx USART Instance+
−
  * @retval State of bit (1 or 0).+
−
  */+
−
__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_TXE(USART_TypeDef *USARTx)+
−
{+
−
  return (READ_BIT(USARTx->SR, USART_SR_TXE) == (USART_SR_TXE));+
−
}+
−
+
−
/**+
−
  * @brief  Check if the USART LIN Break Detection Flag is set or not+
−
  * @note   Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not+
−
  *         LIN feature is supported by the USARTx instance.+
−
  * @rmtoll SR           LBD           LL_USART_IsActiveFlag_LBD+
−
  * @param  USARTx USART Instance+
−
  * @retval State of bit (1 or 0).+
−
  */+
−
__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_LBD(USART_TypeDef *USARTx)+
−
{+
−
  return (READ_BIT(USARTx->SR, USART_SR_LBD) == (USART_SR_LBD));+
−
}+
−
+
−
/**+
−
  * @brief  Check if the USART CTS Flag is set or not+
−
  * @note   Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not+
−
  *         Hardware Flow control feature is supported by the USARTx instance.+
−
  * @rmtoll SR           CTS           LL_USART_IsActiveFlag_nCTS+
−
  * @param  USARTx USART Instance+
−
  * @retval State of bit (1 or 0).+
−
  */+
−
__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_nCTS(USART_TypeDef *USARTx)+
−
{+
−
  return (READ_BIT(USARTx->SR, USART_SR_CTS) == (USART_SR_CTS));+
−
}+
−
+
−
/**+
−
  * @brief  Check if the USART Send Break Flag is set or not+
−
  * @rmtoll CR1          SBK           LL_USART_IsActiveFlag_SBK+
−
  * @param  USARTx USART Instance+
−
  * @retval State of bit (1 or 0).+
−
  */+
−
__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_SBK(USART_TypeDef *USARTx)+
−
{+
−
  return (READ_BIT(USARTx->CR1, USART_CR1_SBK) == (USART_CR1_SBK));+
−
}+
−
+
−
/**+
−
  * @brief  Check if the USART Receive Wake Up from mute mode Flag is set or not+
−
  * @rmtoll CR1          RWU           LL_USART_IsActiveFlag_RWU+
−
  * @param  USARTx USART Instance+
−
  * @retval State of bit (1 or 0).+
−
  */+
−
__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_RWU(USART_TypeDef *USARTx)+
−
{+
−
  return (READ_BIT(USARTx->CR1, USART_CR1_RWU) == (USART_CR1_RWU));+
−
}+
−
+
−
/**+
−
  * @brief  Clear Parity Error Flag+
−
  * @note   Clearing this flag is done by a read access to the USARTx_SR+
−
  *         register followed by a read access to the USARTx_DR register.+
−
  * @note   Please also consider that when clearing this flag, other flags as +
−
  *         NE, FE, ORE, IDLE would also be cleared.+
−
  * @rmtoll SR           PE            LL_USART_ClearFlag_PE+
−
  * @param  USARTx USART Instance+
−
  * @retval None+
−
  */+
−
__STATIC_INLINE void LL_USART_ClearFlag_PE(USART_TypeDef *USARTx)+
−
{+
−
  __IO uint32_t tmpreg;+
−
  tmpreg = USARTx->SR;+
−
  (void) tmpreg;+
−
  tmpreg = USARTx->DR;+
−
  (void) tmpreg;+
−
}+
−
+
−
/**+
−
  * @brief  Clear Framing Error Flag+
−
  * @note   Clearing this flag is done by a read access to the USARTx_SR+
−
  *         register followed by a read access to the USARTx_DR register.+
−
  * @note   Please also consider that when clearing this flag, other flags as +
−
  *         PE, NE, ORE, IDLE would also be cleared.+
−
  * @rmtoll SR           FE            LL_USART_ClearFlag_FE+
−
  * @param  USARTx USART Instance+
−
  * @retval None+
−
  */+
−
__STATIC_INLINE void LL_USART_ClearFlag_FE(USART_TypeDef *USARTx)+
−
{+
−
  __IO uint32_t tmpreg;+
−
  tmpreg = USARTx->SR;+
−
  (void) tmpreg;+
−
  tmpreg = USARTx->DR;+
−
  (void) tmpreg;+
−
}+
−
+
−
/**+
−
  * @brief  Clear Noise detected Flag+
−
  * @note   Clearing this flag is done by a read access to the USARTx_SR+
−
  *         register followed by a read access to the USARTx_DR register.+
−
  * @note   Please also consider that when clearing this flag, other flags as +
−
  *         PE, FE, ORE, IDLE would also be cleared.+
−
  * @rmtoll SR           NF            LL_USART_ClearFlag_NE+
−
  * @param  USARTx USART Instance+
−
  * @retval None+
−
  */+
−
__STATIC_INLINE void LL_USART_ClearFlag_NE(USART_TypeDef *USARTx)+
−
{+
−
  __IO uint32_t tmpreg;+
−
  tmpreg = USARTx->SR;+
−
  (void) tmpreg;+
−
  tmpreg = USARTx->DR;+
−
  (void) tmpreg;+
−
}+
−
+
−
/**+
−
  * @brief  Clear OverRun Error Flag+
−
  * @note   Clearing this flag is done by a read access to the USARTx_SR+
−
  *         register followed by a read access to the USARTx_DR register.+
−
  * @note   Please also consider that when clearing this flag, other flags as +
−
  *         PE, NE, FE, IDLE would also be cleared.+
−
  * @rmtoll SR           ORE           LL_USART_ClearFlag_ORE+
−
  * @param  USARTx USART Instance+
−
  * @retval None+
−
  */+
−
__STATIC_INLINE void LL_USART_ClearFlag_ORE(USART_TypeDef *USARTx)+
−
{+
−
  __IO uint32_t tmpreg;+
−
  tmpreg = USARTx->SR;+
−
  (void) tmpreg;+
−
  tmpreg = USARTx->DR;+
−
  (void) tmpreg;+
−
}+
−
+
−
/**+
−
  * @brief  Clear IDLE line detected Flag+
−
  * @note   Clearing this flag is done by a read access to the USARTx_SR+
−
  *         register followed by a read access to the USARTx_DR register.+
−
  * @note   Please also consider that when clearing this flag, other flags as +
−
  *         PE, NE, FE, ORE would also be cleared.+
−
  * @rmtoll SR           IDLE          LL_USART_ClearFlag_IDLE+
−
  * @param  USARTx USART Instance+
−
  * @retval None+
−
  */+
−
__STATIC_INLINE void LL_USART_ClearFlag_IDLE(USART_TypeDef *USARTx)+
−
{+
−
  __IO uint32_t tmpreg;+
−
  tmpreg = USARTx->SR;+
−
  (void) tmpreg;+
−
  tmpreg = USARTx->DR;+
−
  (void) tmpreg;+
−
}+
−
+
−
/**+
−
  * @brief  Clear Transmission Complete Flag+
−
  * @rmtoll SR           TC            LL_USART_ClearFlag_TC+
−
  * @param  USARTx USART Instance+
−
  * @retval None+
−
  */+
−
__STATIC_INLINE void LL_USART_ClearFlag_TC(USART_TypeDef *USARTx)+
−
{+
−
  WRITE_REG(USARTx->SR , ~(USART_SR_TC));+
−
}+
−
+
−
/**+
−
  * @brief  Clear RX Not Empty Flag+
−
  * @rmtoll SR           RXNE          LL_USART_ClearFlag_RXNE+
−
  * @param  USARTx USART Instance+
−
  * @retval None+
−
  */+
−
__STATIC_INLINE void LL_USART_ClearFlag_RXNE(USART_TypeDef *USARTx)+
−
{+
−
  WRITE_REG(USARTx->SR , ~(USART_SR_RXNE));+
−
}+
−
+
−
/**+
−
  * @brief  Clear LIN Break Detection Flag+
−
  * @note   Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not+
−
  *         LIN feature is supported by the USARTx instance.+
−
  * @rmtoll SR           LBD           LL_USART_ClearFlag_LBD+
−
  * @param  USARTx USART Instance+
−
  * @retval None+
−
  */+
−
__STATIC_INLINE void LL_USART_ClearFlag_LBD(USART_TypeDef *USARTx)+
−
{+
−
  WRITE_REG(USARTx->SR , ~(USART_SR_LBD));+
−
}+
−
+
−
/**+
−
  * @brief  Clear CTS Interrupt Flag+
−
  * @note   Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not+
−
  *         Hardware Flow control feature is supported by the USARTx instance.+
−
  * @rmtoll SR           CTS           LL_USART_ClearFlag_nCTS+
−
  * @param  USARTx USART Instance+
−
  * @retval None+
−
  */+
−
__STATIC_INLINE void LL_USART_ClearFlag_nCTS(USART_TypeDef *USARTx)+
−
{+
−
  WRITE_REG(USARTx->SR , ~(USART_SR_CTS));+
−
}+
−
+
−
/**+
−
  * @}+
−
  */+
−
+
−
/** @defgroup USART_LL_EF_IT_Management IT_Management+
−
  * @{+
−
  */+
−
+
−
/**+
−
  * @brief  Enable IDLE Interrupt+
−
  * @rmtoll CR1          IDLEIE        LL_USART_EnableIT_IDLE+
−
  * @param  USARTx USART Instance+
−
  * @retval None+
−
  */+
−
__STATIC_INLINE void LL_USART_EnableIT_IDLE(USART_TypeDef *USARTx)+
−
{+
−
  SET_BIT(USARTx->CR1, USART_CR1_IDLEIE);+
−
}+
−
+
−
/**+
−
  * @brief  Enable RX Not Empty Interrupt+
−
  * @rmtoll CR1          RXNEIE        LL_USART_EnableIT_RXNE+
−
  * @param  USARTx USART Instance+
−
  * @retval None+
−
  */+
−
__STATIC_INLINE void LL_USART_EnableIT_RXNE(USART_TypeDef *USARTx)+
−
{+
−
  SET_BIT(USARTx->CR1, USART_CR1_RXNEIE);+
−
}+
−
+
−
/**+
−
  * @brief  Enable Transmission Complete Interrupt+
−
  * @rmtoll CR1          TCIE          LL_USART_EnableIT_TC+
−
  * @param  USARTx USART Instance+
−
  * @retval None+
−
  */+
−
__STATIC_INLINE void LL_USART_EnableIT_TC(USART_TypeDef *USARTx)+
−
{+
−
  SET_BIT(USARTx->CR1, USART_CR1_TCIE);+
−
}+
−
+
−
/**+
−
  * @brief  Enable TX Empty Interrupt+
−
  * @rmtoll CR1          TXEIE         LL_USART_EnableIT_TXE+
−
  * @param  USARTx USART Instance+
−
  * @retval None+
−
  */+
−
__STATIC_INLINE void LL_USART_EnableIT_TXE(USART_TypeDef *USARTx)+
−
{+
−
  SET_BIT(USARTx->CR1, USART_CR1_TXEIE);+
−
}+
−
+
−
/**+
−
  * @brief  Enable Parity Error Interrupt+
−
  * @rmtoll CR1          PEIE          LL_USART_EnableIT_PE+
−
  * @param  USARTx USART Instance+
−
  * @retval None+
−
  */+
−
__STATIC_INLINE void LL_USART_EnableIT_PE(USART_TypeDef *USARTx)+
−
{+
−
  SET_BIT(USARTx->CR1, USART_CR1_PEIE);+
−
}+
−
+
−
/**+
−
  * @brief  Enable LIN Break Detection Interrupt+
−
  * @note   Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not+
−
  *         LIN feature is supported by the USARTx instance.+
−
  * @rmtoll CR2          LBDIE         LL_USART_EnableIT_LBD+
−
  * @param  USARTx USART Instance+
−
  * @retval None+
−
  */+
−
__STATIC_INLINE void LL_USART_EnableIT_LBD(USART_TypeDef *USARTx)+
−
{+
−
  SET_BIT(USARTx->CR2, USART_CR2_LBDIE);+
−
}+
−
+
−
/**+
−
  * @brief  Enable Error Interrupt+
−
  * @note   When set, Error Interrupt Enable Bit is enabling interrupt generation in case of a framing+
−
  *         error, overrun error or noise flag (FE=1 or ORE=1 or NF=1 in the USARTx_SR register).+
−
  *           0: Interrupt is inhibited+
−
  *           1: An interrupt is generated when FE=1 or ORE=1 or NF=1 in the USARTx_SR register.+
−
  * @rmtoll CR3          EIE           LL_USART_EnableIT_ERROR+
−
  * @param  USARTx USART Instance+
−
  * @retval None+
−
  */+
−
__STATIC_INLINE void LL_USART_EnableIT_ERROR(USART_TypeDef *USARTx)+
−
{+
−
  SET_BIT(USARTx->CR3, USART_CR3_EIE);+
−
}+
−
+
−
/**+
−
  * @brief  Enable CTS Interrupt+
−
  * @note   Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not+
−
  *         Hardware Flow control feature is supported by the USARTx instance.+
−
  * @rmtoll CR3          CTSIE         LL_USART_EnableIT_CTS+
−
  * @param  USARTx USART Instance+
−
  * @retval None+
−
  */+
−
__STATIC_INLINE void LL_USART_EnableIT_CTS(USART_TypeDef *USARTx)+
−
{+
−
  SET_BIT(USARTx->CR3, USART_CR3_CTSIE);+
−
}+
−
+
−
/**+
−
  * @brief  Disable IDLE Interrupt+
−
  * @rmtoll CR1          IDLEIE        LL_USART_DisableIT_IDLE+
−
  * @param  USARTx USART Instance+
−
  * @retval None+
−
  */+
−
__STATIC_INLINE void LL_USART_DisableIT_IDLE(USART_TypeDef *USARTx)+
−
{+
−
  CLEAR_BIT(USARTx->CR1, USART_CR1_IDLEIE);+
−
}+
−
+
−
/**+
−
  * @brief  Disable RX Not Empty Interrupt+
−
  * @rmtoll CR1          RXNEIE        LL_USART_DisableIT_RXNE+
−
  * @param  USARTx USART Instance+
−
  * @retval None+
−
  */+
−
__STATIC_INLINE void LL_USART_DisableIT_RXNE(USART_TypeDef *USARTx)+
−
{+
−
  CLEAR_BIT(USARTx->CR1, USART_CR1_RXNEIE);+
−
}+
−
+
−
/**+
−
  * @brief  Disable Transmission Complete Interrupt+
−
  * @rmtoll CR1          TCIE          LL_USART_DisableIT_TC+
−
  * @param  USARTx USART Instance+
−
  * @retval None+
−
  */+
−
__STATIC_INLINE void LL_USART_DisableIT_TC(USART_TypeDef *USARTx)+
−
{+
−
  CLEAR_BIT(USARTx->CR1, USART_CR1_TCIE);+
−
}+
−
+
−
/**+
−
  * @brief  Disable TX Empty Interrupt+
−
  * @rmtoll CR1          TXEIE         LL_USART_DisableIT_TXE+
−
  * @param  USARTx USART Instance+
−
  * @retval None+
−
  */+
−
__STATIC_INLINE void LL_USART_DisableIT_TXE(USART_TypeDef *USARTx)+
−
{+
−
  CLEAR_BIT(USARTx->CR1, USART_CR1_TXEIE);+
−
}+
−
+
−
/**+
−
  * @brief  Disable Parity Error Interrupt+
−
  * @rmtoll CR1          PEIE          LL_USART_DisableIT_PE+
−
  * @param  USARTx USART Instance+
−
  * @retval None+
−
  */+
−
__STATIC_INLINE void LL_USART_DisableIT_PE(USART_TypeDef *USARTx)+
−
{+
−
  CLEAR_BIT(USARTx->CR1, USART_CR1_PEIE);+
−
}+
−
+
−
/**+
−
  * @brief  Disable LIN Break Detection Interrupt+
−
  * @note   Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not+
−
  *         LIN feature is supported by the USARTx instance.+
−
  * @rmtoll CR2          LBDIE         LL_USART_DisableIT_LBD+
−
  * @param  USARTx USART Instance+
−
  * @retval None+
−
  */+
−
__STATIC_INLINE void LL_USART_DisableIT_LBD(USART_TypeDef *USARTx)+
−
{+
−
  CLEAR_BIT(USARTx->CR2, USART_CR2_LBDIE);+
−
}+
−
+
−
/**+
−
  * @brief  Disable Error Interrupt+
−
  * @note   When set, Error Interrupt Enable Bit is enabling interrupt generation in case of a framing+
−
  *         error, overrun error or noise flag (FE=1 or ORE=1 or NF=1 in the USARTx_SR register).+
−
  *           0: Interrupt is inhibited+
−
  *           1: An interrupt is generated when FE=1 or ORE=1 or NF=1 in the USARTx_SR register.+
−
  * @rmtoll CR3          EIE           LL_USART_DisableIT_ERROR+
−
  * @param  USARTx USART Instance+
−
  * @retval None+
−
  */+
−
__STATIC_INLINE void LL_USART_DisableIT_ERROR(USART_TypeDef *USARTx)+
−
{+
−
  CLEAR_BIT(USARTx->CR3, USART_CR3_EIE);+
−
}+
−
+
−
/**+
−
  * @brief  Disable CTS Interrupt+
−
  * @note   Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not+
−
  *         Hardware Flow control feature is supported by the USARTx instance.+
−
  * @rmtoll CR3          CTSIE         LL_USART_DisableIT_CTS+
−
  * @param  USARTx USART Instance+
−
  * @retval None+
−
  */+
−
__STATIC_INLINE void LL_USART_DisableIT_CTS(USART_TypeDef *USARTx)+
−
{+
−
  CLEAR_BIT(USARTx->CR3, USART_CR3_CTSIE);+
−
}+
−
+
−
/**+
−
  * @brief  Check if the USART IDLE Interrupt  source is enabled or disabled.+
−
  * @rmtoll CR1          IDLEIE        LL_USART_IsEnabledIT_IDLE+
−
  * @param  USARTx USART Instance+
−
  * @retval State of bit (1 or 0).+
−
  */+
−
__STATIC_INLINE uint32_t LL_USART_IsEnabledIT_IDLE(USART_TypeDef *USARTx)+
−
{+
−
  return (READ_BIT(USARTx->CR1, USART_CR1_IDLEIE) == (USART_CR1_IDLEIE));+
−
}+
−
+
−
/**+
−
  * @brief  Check if the USART RX Not Empty Interrupt is enabled or disabled.+
−
  * @rmtoll CR1          RXNEIE        LL_USART_IsEnabledIT_RXNE+
−
  * @param  USARTx USART Instance+
−
  * @retval State of bit (1 or 0).+
−
  */+
−
__STATIC_INLINE uint32_t LL_USART_IsEnabledIT_RXNE(USART_TypeDef *USARTx)+
−
{+
−
  return (READ_BIT(USARTx->CR1, USART_CR1_RXNEIE) == (USART_CR1_RXNEIE));+
−
}+
−
+
−
/**+
−
  * @brief  Check if the USART Transmission Complete Interrupt is enabled or disabled.+
−
  * @rmtoll CR1          TCIE          LL_USART_IsEnabledIT_TC+
−
  * @param  USARTx USART Instance+
−
  * @retval State of bit (1 or 0).+
−
  */+
−
__STATIC_INLINE uint32_t LL_USART_IsEnabledIT_TC(USART_TypeDef *USARTx)+
−
{+
−
  return (READ_BIT(USARTx->CR1, USART_CR1_TCIE) == (USART_CR1_TCIE));+
−
}+
−
+
−
/**+
−
  * @brief  Check if the USART TX Empty Interrupt is enabled or disabled.+
−
  * @rmtoll CR1          TXEIE         LL_USART_IsEnabledIT_TXE+
−
  * @param  USARTx USART Instance+
−
  * @retval State of bit (1 or 0).+
−
  */+
−
__STATIC_INLINE uint32_t LL_USART_IsEnabledIT_TXE(USART_TypeDef *USARTx)+
−
{+
−
  return (READ_BIT(USARTx->CR1, USART_CR1_TXEIE) == (USART_CR1_TXEIE));+
−
}+
−
+
−
/**+
−
  * @brief  Check if the USART Parity Error Interrupt is enabled or disabled.+
−
  * @rmtoll CR1          PEIE          LL_USART_IsEnabledIT_PE+
−
  * @param  USARTx USART Instance+
−
  * @retval State of bit (1 or 0).+
−
  */+
−
__STATIC_INLINE uint32_t LL_USART_IsEnabledIT_PE(USART_TypeDef *USARTx)+
−
{+
−
  return (READ_BIT(USARTx->CR1, USART_CR1_PEIE) == (USART_CR1_PEIE));+
−
}+
−
+
−
/**+
−
  * @brief  Check if the USART LIN Break Detection Interrupt is enabled or disabled.+
−
  * @note   Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not+
−
  *         LIN feature is supported by the USARTx instance.+
−
  * @rmtoll CR2          LBDIE         LL_USART_IsEnabledIT_LBD+
−
  * @param  USARTx USART Instance+
−
  * @retval State of bit (1 or 0).+
−
  */+
−
__STATIC_INLINE uint32_t LL_USART_IsEnabledIT_LBD(USART_TypeDef *USARTx)+
−
{+
−
  return (READ_BIT(USARTx->CR2, USART_CR2_LBDIE) == (USART_CR2_LBDIE));+
−
}+
−
+
−
/**+
−
  * @brief  Check if the USART Error Interrupt is enabled or disabled.+
−
  * @rmtoll CR3          EIE           LL_USART_IsEnabledIT_ERROR+
−
  * @param  USARTx USART Instance+
−
  * @retval State of bit (1 or 0).+
−
  */+
−
__STATIC_INLINE uint32_t LL_USART_IsEnabledIT_ERROR(USART_TypeDef *USARTx)+
−
{+
−
  return (READ_BIT(USARTx->CR3, USART_CR3_EIE) == (USART_CR3_EIE));+
−
}+
−
+
−
/**+
−
  * @brief  Check if the USART CTS Interrupt is enabled or disabled.+
−
  * @note   Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not+
−
  *         Hardware Flow control feature is supported by the USARTx instance.+
−
  * @rmtoll CR3          CTSIE         LL_USART_IsEnabledIT_CTS+
−
  * @param  USARTx USART Instance+
−
  * @retval State of bit (1 or 0).+
−
  */+
−
__STATIC_INLINE uint32_t LL_USART_IsEnabledIT_CTS(USART_TypeDef *USARTx)+
−
{+
−
  return (READ_BIT(USARTx->CR3, USART_CR3_CTSIE) == (USART_CR3_CTSIE));+
−
}+
−
+
−
/**+
−
  * @}+
−
  */+
−
+
−
/** @defgroup USART_LL_EF_DMA_Management DMA_Management+
−
  * @{+
−
  */+
−
+
−
/**+
−
  * @brief  Enable DMA Mode for reception+
−
  * @rmtoll CR3          DMAR          LL_USART_EnableDMAReq_RX+
−
  * @param  USARTx USART Instance+
−
  * @retval None+
−
  */+
−
__STATIC_INLINE void LL_USART_EnableDMAReq_RX(USART_TypeDef *USARTx)+
−
{+
−
  SET_BIT(USARTx->CR3, USART_CR3_DMAR);+
−
}+
−
+
−
/**+
−
  * @brief  Disable DMA Mode for reception+
−
  * @rmtoll CR3          DMAR          LL_USART_DisableDMAReq_RX+
−
  * @param  USARTx USART Instance+
−
  * @retval None+
−
  */+
−
__STATIC_INLINE void LL_USART_DisableDMAReq_RX(USART_TypeDef *USARTx)+
−
{+
−
  CLEAR_BIT(USARTx->CR3, USART_CR3_DMAR);+
−
}+
−
+
−
/**+
−
  * @brief  Check if DMA Mode is enabled for reception+
−
  * @rmtoll CR3          DMAR          LL_USART_IsEnabledDMAReq_RX+
−
  * @param  USARTx USART Instance+
−
  * @retval State of bit (1 or 0).+
−
  */+
−
__STATIC_INLINE uint32_t LL_USART_IsEnabledDMAReq_RX(USART_TypeDef *USARTx)+
−
{+
−
  return (READ_BIT(USARTx->CR3, USART_CR3_DMAR) == (USART_CR3_DMAR));+
−
}+
−
+
−
/**+
−
  * @brief  Enable DMA Mode for transmission+
−
  * @rmtoll CR3          DMAT          LL_USART_EnableDMAReq_TX+
−
  * @param  USARTx USART Instance+
−
  * @retval None+
−
  */+
−
__STATIC_INLINE void LL_USART_EnableDMAReq_TX(USART_TypeDef *USARTx)+
−
{+
−
  SET_BIT(USARTx->CR3, USART_CR3_DMAT);+
−
}+
−
+
−
/**+
−
  * @brief  Disable DMA Mode for transmission+
−
  * @rmtoll CR3          DMAT          LL_USART_DisableDMAReq_TX+
−
  * @param  USARTx USART Instance+
−
  * @retval None+
−
  */+
−
__STATIC_INLINE void LL_USART_DisableDMAReq_TX(USART_TypeDef *USARTx)+
−
{+
−
  CLEAR_BIT(USARTx->CR3, USART_CR3_DMAT);+
−
}+
−
+
−
/**+
−
  * @brief  Check if DMA Mode is enabled for transmission+
−
  * @rmtoll CR3          DMAT          LL_USART_IsEnabledDMAReq_TX+
−
  * @param  USARTx USART Instance+
−
  * @retval State of bit (1 or 0).+
−
  */+
−
__STATIC_INLINE uint32_t LL_USART_IsEnabledDMAReq_TX(USART_TypeDef *USARTx)+
−
{+
−
  return (READ_BIT(USARTx->CR3, USART_CR3_DMAT) == (USART_CR3_DMAT));+
−
}+
−
+
−
/**+
−
  * @brief  Get the data register address used for DMA transfer+
−
  * @rmtoll DR           DR            LL_USART_DMA_GetRegAddr+
−
  * @note   Address of Data Register is valid for both Transmit and Receive transfers.+
−
  * @param  USARTx USART Instance+
−
  * @retval Address of data register+
−
  */+
−
__STATIC_INLINE uint32_t LL_USART_DMA_GetRegAddr(USART_TypeDef *USARTx)+
−
{+
−
  /* return address of DR register */+
−
  return ((uint32_t) &(USARTx->DR));+
−
}+
−
+
−
/**+
−
  * @}+
−
  */+
−
+
−
/** @defgroup USART_LL_EF_Data_Management Data_Management+
−
  * @{+
−
  */+
−
+
−
/**+
−
  * @brief  Read Receiver Data register (Receive Data value, 8 bits)+
−
  * @rmtoll DR           DR            LL_USART_ReceiveData8+
−
  * @param  USARTx USART Instance+
−
  * @retval Value between Min_Data=0x00 and Max_Data=0xFF+
−
  */+
−
__STATIC_INLINE uint8_t LL_USART_ReceiveData8(USART_TypeDef *USARTx)+
−
{+
−
  return (uint8_t)(READ_BIT(USARTx->DR, USART_DR_DR));+
−
}+
−
+
−
/**+
−
  * @brief  Read Receiver Data register (Receive Data value, 9 bits)+
−
  * @rmtoll DR           DR            LL_USART_ReceiveData9+
−
  * @param  USARTx USART Instance+
−
  * @retval Value between Min_Data=0x00 and Max_Data=0x1FF+
−
  */+
−
__STATIC_INLINE uint16_t LL_USART_ReceiveData9(USART_TypeDef *USARTx)+
−
{+
−
  return (uint16_t)(READ_BIT(USARTx->DR, USART_DR_DR));+
−
}+
−
+
−
/**+
−
  * @brief  Write in Transmitter Data Register (Transmit Data value, 8 bits)+
−
  * @rmtoll DR           DR            LL_USART_TransmitData8+
−
  * @param  USARTx USART Instance+
−
  * @param  Value between Min_Data=0x00 and Max_Data=0xFF+
−
  * @retval None+
−
  */+
−
__STATIC_INLINE void LL_USART_TransmitData8(USART_TypeDef *USARTx, uint8_t Value)+
−
{+
−
  USARTx->DR = Value;+
−
}+
−
+
−
/**+
−
  * @brief  Write in Transmitter Data Register (Transmit Data value, 9 bits)+
−
  * @rmtoll DR           DR            LL_USART_TransmitData9+
−
  * @param  USARTx USART Instance+
−
  * @param  Value between Min_Data=0x00 and Max_Data=0x1FF+
−
  * @retval None+
−
  */+
−
__STATIC_INLINE void LL_USART_TransmitData9(USART_TypeDef *USARTx, uint16_t Value)+
−
{+
−
  USARTx->DR = Value & 0x1FFU;+
−
}+
−
+
−
/**+
−
  * @}+
−
  */+
−
+
−
/** @defgroup USART_LL_EF_Execution Execution+
−
  * @{+
−
  */+
−
+
−
/**+
−
  * @brief  Request Break sending+
−
  * @rmtoll CR1          SBK           LL_USART_RequestBreakSending+
−
  * @param  USARTx USART Instance+
−
  * @retval None+
−
  */+
−
__STATIC_INLINE void LL_USART_RequestBreakSending(USART_TypeDef *USARTx)+
−
{+
−
  SET_BIT(USARTx->CR1, USART_CR1_SBK);+
−
}+
−
+
−
/**+
−
  * @brief  Put USART in Mute mode+
−
  * @rmtoll CR1          RWU           LL_USART_RequestEnterMuteMode+
−
  * @param  USARTx USART Instance+
−
  * @retval None+
−
  */+
−
__STATIC_INLINE void LL_USART_RequestEnterMuteMode(USART_TypeDef *USARTx)+
−
{+
−
  SET_BIT(USARTx->CR1, USART_CR1_RWU);+
−
}+
−
+
−
/**+
−
  * @brief  Put USART in Active mode+
−
  * @rmtoll CR1          RWU           LL_USART_RequestExitMuteMode+
−
  * @param  USARTx USART Instance+
−
  * @retval None+
−
  */+
−
__STATIC_INLINE void LL_USART_RequestExitMuteMode(USART_TypeDef *USARTx)+
−
{+
−
  CLEAR_BIT(USARTx->CR1, USART_CR1_RWU);+
−
}+
−
+
−
/**+
−
  * @}+
−
  */+
−
+
−
#if defined(USE_FULL_LL_DRIVER)+
−
/** @defgroup USART_LL_EF_Init Initialization and de-initialization functions+
−
  * @{+
−
  */+
−
ErrorStatus LL_USART_DeInit(USART_TypeDef *USARTx);+
−
ErrorStatus LL_USART_Init(USART_TypeDef *USARTx, LL_USART_InitTypeDef *USART_InitStruct);+
−
void        LL_USART_StructInit(LL_USART_InitTypeDef *USART_InitStruct);+
−
ErrorStatus LL_USART_ClockInit(USART_TypeDef *USARTx, LL_USART_ClockInitTypeDef *USART_ClockInitStruct);+
−
void        LL_USART_ClockStructInit(LL_USART_ClockInitTypeDef *USART_ClockInitStruct);+
−
/**+
−
  * @}+
−
  */+
−
#endif /* USE_FULL_LL_DRIVER */+
−
+
−
/**+
−
  * @}+
−
  */+
−
+
−
/**+
−
  * @}+
−
  */+
−
+
−
#endif /* USART1 || USART2 || USART3 || USART6 || UART4 || UART5 || UART7 || UART8 || UART9 || UART10 */+
−
+
−
/**+
−
  * @}+
−
  */+
−
+
−
#ifdef __cplusplus+
−
}+
−
#endif+
−
+
−
#endif /* __STM32F4xx_LL_USART_H */+
−
+
−
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/+
−