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Diffstat (limited to 'lib/hal-stm32f1/include/stm32f1xx_ll_usart.h')
| -rw-r--r-- | lib/hal-stm32f1/include/stm32f1xx_ll_usart.h | 2589 |
1 files changed, 2589 insertions, 0 deletions
diff --git a/lib/hal-stm32f1/include/stm32f1xx_ll_usart.h b/lib/hal-stm32f1/include/stm32f1xx_ll_usart.h new file mode 100644 index 00000000..db6ffaa4 --- /dev/null +++ b/lib/hal-stm32f1/include/stm32f1xx_ll_usart.h @@ -0,0 +1,2589 @@ +/**
+ ******************************************************************************
+ * @file stm32f1xx_ll_usart.h
+ * @author MCD Application Team
+ * @version V1.1.1
+ * @date 12-May-2017
+ * @brief Header file of USART LL module.
+ ******************************************************************************
+ * @attention
+ *
+ * <h2><center>© COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. Neither the name of STMicroelectronics nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ ******************************************************************************
+ */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __STM32F1xx_LL_USART_H
+#define __STM32F1xx_LL_USART_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f1xx.h"
+
+/** @addtogroup STM32F1xx_LL_Driver
+ * @{
+ */
+
+#if defined (USART1) || defined (USART2) || defined (USART3) || defined (UART4) || defined (UART5)
+
+/** @defgroup USART_LL USART
+ * @{
+ */
+
+/* Private types -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+
+/* Private constants ---------------------------------------------------------*/
+/** @defgroup USART_LL_Private_Constants USART Private Constants
+ * @{
+ */
+
+/* Defines used for the bit position in the register and perform offsets*/
+#define USART_POSITION_GTPR_GT USART_GTPR_GT_Pos
+/**
+ * @}
+ */
+
+/* Private macros ------------------------------------------------------------*/
+#if defined(USE_FULL_LL_DRIVER)
+/** @defgroup USART_LL_Private_Macros USART Private Macros
+ * @{
+ */
+/**
+ * @}
+ */
+#endif /*USE_FULL_LL_DRIVER*/
+
+/* Exported types ------------------------------------------------------------*/
+#if defined(USE_FULL_LL_DRIVER)
+/** @defgroup USART_LL_ES_INIT USART Exported Init structures
+ * @{
+ */
+
+/**
+ * @brief LL USART Init Structure definition
+ */
+typedef struct
+{
+ uint32_t BaudRate; /*!< This field defines expected Usart communication baud rate.
+
+ This feature can be modified afterwards using unitary function @ref LL_USART_SetBaudRate().*/
+
+ uint32_t DataWidth; /*!< Specifies the number of data bits transmitted or received in a frame.
+ This parameter can be a value of @ref USART_LL_EC_DATAWIDTH.
+
+ This feature can be modified afterwards using unitary function @ref LL_USART_SetDataWidth().*/
+
+ uint32_t StopBits; /*!< Specifies the number of stop bits transmitted.
+ This parameter can be a value of @ref USART_LL_EC_STOPBITS.
+
+ This feature can be modified afterwards using unitary function @ref LL_USART_SetStopBitsLength().*/
+
+ uint32_t Parity; /*!< Specifies the parity mode.
+ This parameter can be a value of @ref USART_LL_EC_PARITY.
+
+ This feature can be modified afterwards using unitary function @ref LL_USART_SetParity().*/
+
+ uint32_t TransferDirection; /*!< Specifies whether the Receive and/or Transmit mode is enabled or disabled.
+ This parameter can be a value of @ref USART_LL_EC_DIRECTION.
+
+ This feature can be modified afterwards using unitary function @ref LL_USART_SetTransferDirection().*/
+
+ uint32_t HardwareFlowControl; /*!< Specifies whether the hardware flow control mode is enabled or disabled.
+ This parameter can be a value of @ref USART_LL_EC_HWCONTROL.
+
+ This feature can be modified afterwards using unitary function @ref LL_USART_SetHWFlowCtrl().*/
+
+#if defined(USART_CR1_OVER8)
+ uint32_t OverSampling; /*!< Specifies whether USART oversampling mode is 16 or 8.
+ This parameter can be a value of @ref USART_LL_EC_OVERSAMPLING.
+
+ This feature can be modified afterwards using unitary function @ref LL_USART_SetOverSampling().*/
+
+#endif /* USART_OverSampling_Feature */
+} LL_USART_InitTypeDef;
+
+/**
+ * @brief LL USART Clock Init Structure definition
+ */
+typedef struct
+{
+ uint32_t ClockOutput; /*!< Specifies whether the USART clock is enabled or disabled.
+ This parameter can be a value of @ref USART_LL_EC_CLOCK.
+
+ USART HW configuration can be modified afterwards using unitary functions
+ @ref LL_USART_EnableSCLKOutput() or @ref LL_USART_DisableSCLKOutput().
+ For more details, refer to description of this function. */
+
+ uint32_t ClockPolarity; /*!< Specifies the steady state of the serial clock.
+ This parameter can be a value of @ref USART_LL_EC_POLARITY.
+
+ USART HW configuration can be modified afterwards using unitary functions @ref LL_USART_SetClockPolarity().
+ For more details, refer to description of this function. */
+
+ uint32_t ClockPhase; /*!< Specifies the clock transition on which the bit capture is made.
+ This parameter can be a value of @ref USART_LL_EC_PHASE.
+
+ USART HW configuration can be modified afterwards using unitary functions @ref LL_USART_SetClockPhase().
+ For more details, refer to description of this function. */
+
+ uint32_t LastBitClockPulse; /*!< Specifies whether the clock pulse corresponding to the last transmitted
+ data bit (MSB) has to be output on the SCLK pin in synchronous mode.
+ This parameter can be a value of @ref USART_LL_EC_LASTCLKPULSE.
+
+ USART HW configuration can be modified afterwards using unitary functions @ref LL_USART_SetLastClkPulseOutput().
+ For more details, refer to description of this function. */
+
+} LL_USART_ClockInitTypeDef;
+
+/**
+ * @}
+ */
+#endif /* USE_FULL_LL_DRIVER */
+
+/* Exported constants --------------------------------------------------------*/
+/** @defgroup USART_LL_Exported_Constants USART Exported Constants
+ * @{
+ */
+
+/** @defgroup USART_LL_EC_GET_FLAG Get Flags Defines
+ * @brief Flags defines which can be used with LL_USART_ReadReg function
+ * @{
+ */
+#define LL_USART_SR_PE USART_SR_PE /*!< Parity error flag */
+#define LL_USART_SR_FE USART_SR_FE /*!< Framing error flag */
+#define LL_USART_SR_NE USART_SR_NE /*!< Noise detected flag */
+#define LL_USART_SR_ORE USART_SR_ORE /*!< Overrun error flag */
+#define LL_USART_SR_IDLE USART_SR_IDLE /*!< Idle line detected flag */
+#define LL_USART_SR_RXNE USART_SR_RXNE /*!< Read data register not empty flag */
+#define LL_USART_SR_TC USART_SR_TC /*!< Transmission complete flag */
+#define LL_USART_SR_TXE USART_SR_TXE /*!< Transmit data register empty flag */
+#define LL_USART_SR_LBD USART_SR_LBD /*!< LIN break detection flag */
+#define LL_USART_SR_CTS USART_SR_CTS /*!< CTS flag */
+/**
+ * @}
+ */
+
+/** @defgroup USART_LL_EC_IT IT Defines
+ * @brief IT defines which can be used with LL_USART_ReadReg and LL_USART_WriteReg functions
+ * @{
+ */
+#define LL_USART_CR1_IDLEIE USART_CR1_IDLEIE /*!< IDLE interrupt enable */
+#define LL_USART_CR1_RXNEIE USART_CR1_RXNEIE /*!< Read data register not empty interrupt enable */
+#define LL_USART_CR1_TCIE USART_CR1_TCIE /*!< Transmission complete interrupt enable */
+#define LL_USART_CR1_TXEIE USART_CR1_TXEIE /*!< Transmit data register empty interrupt enable */
+#define LL_USART_CR1_PEIE USART_CR1_PEIE /*!< Parity error */
+#define LL_USART_CR2_LBDIE USART_CR2_LBDIE /*!< LIN break detection interrupt enable */
+#define LL_USART_CR3_EIE USART_CR3_EIE /*!< Error interrupt enable */
+#define LL_USART_CR3_CTSIE USART_CR3_CTSIE /*!< CTS interrupt enable */
+/**
+ * @}
+ */
+
+/** @defgroup USART_LL_EC_DIRECTION Communication Direction
+ * @{
+ */
+#define LL_USART_DIRECTION_NONE 0x00000000U /*!< Transmitter and Receiver are disabled */
+#define LL_USART_DIRECTION_RX USART_CR1_RE /*!< Transmitter is disabled and Receiver is enabled */
+#define LL_USART_DIRECTION_TX USART_CR1_TE /*!< Transmitter is enabled and Receiver is disabled */
+#define LL_USART_DIRECTION_TX_RX (USART_CR1_TE |USART_CR1_RE) /*!< Transmitter and Receiver are enabled */
+/**
+ * @}
+ */
+
+/** @defgroup USART_LL_EC_PARITY Parity Control
+ * @{
+ */
+#define LL_USART_PARITY_NONE 0x00000000U /*!< Parity control disabled */
+#define LL_USART_PARITY_EVEN USART_CR1_PCE /*!< Parity control enabled and Even Parity is selected */
+#define LL_USART_PARITY_ODD (USART_CR1_PCE | USART_CR1_PS) /*!< Parity control enabled and Odd Parity is selected */
+/**
+ * @}
+ */
+
+/** @defgroup USART_LL_EC_WAKEUP Wakeup
+ * @{
+ */
+#define LL_USART_WAKEUP_IDLELINE 0x00000000U /*!< USART wake up from Mute mode on Idle Line */
+#define LL_USART_WAKEUP_ADDRESSMARK USART_CR1_WAKE /*!< USART wake up from Mute mode on Address Mark */
+/**
+ * @}
+ */
+
+/** @defgroup USART_LL_EC_DATAWIDTH Datawidth
+ * @{
+ */
+#define LL_USART_DATAWIDTH_8B 0x00000000U /*!< 8 bits word length : Start bit, 8 data bits, n stop bits */
+#define LL_USART_DATAWIDTH_9B USART_CR1_M /*!< 9 bits word length : Start bit, 9 data bits, n stop bits */
+/**
+ * @}
+ */
+
+#if defined(USART_CR1_OVER8)
+/** @defgroup USART_LL_EC_OVERSAMPLING Oversampling
+ * @{
+ */
+#define LL_USART_OVERSAMPLING_16 0x00000000U /*!< Oversampling by 16 */
+#define LL_USART_OVERSAMPLING_8 USART_CR1_OVER8 /*!< Oversampling by 8 */
+/**
+ * @}
+ */
+
+#endif /* USART_OverSampling_Feature */
+#if defined(USE_FULL_LL_DRIVER)
+/** @defgroup USART_LL_EC_CLOCK Clock Signal
+ * @{
+ */
+
+#define LL_USART_CLOCK_DISABLE 0x00000000U /*!< Clock signal not provided */
+#define LL_USART_CLOCK_ENABLE USART_CR2_CLKEN /*!< Clock signal provided */
+/**
+ * @}
+ */
+#endif /*USE_FULL_LL_DRIVER*/
+
+/** @defgroup USART_LL_EC_LASTCLKPULSE Last Clock Pulse
+ * @{
+ */
+#define LL_USART_LASTCLKPULSE_NO_OUTPUT 0x00000000U /*!< The clock pulse of the last data bit is not output to the SCLK pin */
+#define LL_USART_LASTCLKPULSE_OUTPUT USART_CR2_LBCL /*!< The clock pulse of the last data bit is output to the SCLK pin */
+/**
+ * @}
+ */
+
+/** @defgroup USART_LL_EC_PHASE Clock Phase
+ * @{
+ */
+#define LL_USART_PHASE_1EDGE 0x00000000U /*!< The first clock transition is the first data capture edge */
+#define LL_USART_PHASE_2EDGE USART_CR2_CPHA /*!< The second clock transition is the first data capture edge */
+/**
+ * @}
+ */
+
+/** @defgroup USART_LL_EC_POLARITY Clock Polarity
+ * @{
+ */
+#define LL_USART_POLARITY_LOW 0x00000000U /*!< Steady low value on SCLK pin outside transmission window*/
+#define LL_USART_POLARITY_HIGH USART_CR2_CPOL /*!< Steady high value on SCLK pin outside transmission window */
+/**
+ * @}
+ */
+
+/** @defgroup USART_LL_EC_STOPBITS Stop Bits
+ * @{
+ */
+#define LL_USART_STOPBITS_0_5 USART_CR2_STOP_0 /*!< 0.5 stop bit */
+#define LL_USART_STOPBITS_1 0x00000000U /*!< 1 stop bit */
+#define LL_USART_STOPBITS_1_5 (USART_CR2_STOP_0 | USART_CR2_STOP_1) /*!< 1.5 stop bits */
+#define LL_USART_STOPBITS_2 USART_CR2_STOP_1 /*!< 2 stop bits */
+/**
+ * @}
+ */
+
+/** @defgroup USART_LL_EC_HWCONTROL Hardware Control
+ * @{
+ */
+#define LL_USART_HWCONTROL_NONE 0x00000000U /*!< CTS and RTS hardware flow control disabled */
+#define LL_USART_HWCONTROL_RTS USART_CR3_RTSE /*!< RTS output enabled, data is only requested when there is space in the receive buffer */
+#define LL_USART_HWCONTROL_CTS USART_CR3_CTSE /*!< CTS mode enabled, data is only transmitted when the nCTS input is asserted (tied to 0) */
+#define LL_USART_HWCONTROL_RTS_CTS (USART_CR3_RTSE | USART_CR3_CTSE) /*!< CTS and RTS hardware flow control enabled */
+/**
+ * @}
+ */
+
+/** @defgroup USART_LL_EC_IRDA_POWER IrDA Power
+ * @{
+ */
+#define LL_USART_IRDA_POWER_NORMAL 0x00000000U /*!< IrDA normal power mode */
+#define LL_USART_IRDA_POWER_LOW USART_CR3_IRLP /*!< IrDA low power mode */
+/**
+ * @}
+ */
+
+/** @defgroup USART_LL_EC_LINBREAK_DETECT LIN Break Detection Length
+ * @{
+ */
+#define LL_USART_LINBREAK_DETECT_10B 0x00000000U /*!< 10-bit break detection method selected */
+#define LL_USART_LINBREAK_DETECT_11B USART_CR2_LBDL /*!< 11-bit break detection method selected */
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/* Exported macro ------------------------------------------------------------*/
+/** @defgroup USART_LL_Exported_Macros USART Exported Macros
+ * @{
+ */
+
+/** @defgroup USART_LL_EM_WRITE_READ Common Write and read registers Macros
+ * @{
+ */
+
+/**
+ * @brief Write a value in USART register
+ * @param __INSTANCE__ USART Instance
+ * @param __REG__ Register to be written
+ * @param __VALUE__ Value to be written in the register
+ * @retval None
+ */
+#define LL_USART_WriteReg(__INSTANCE__, __REG__, __VALUE__) WRITE_REG(__INSTANCE__->__REG__, (__VALUE__))
+
+/**
+ * @brief Read a value in USART register
+ * @param __INSTANCE__ USART Instance
+ * @param __REG__ Register to be read
+ * @retval Register value
+ */
+#define LL_USART_ReadReg(__INSTANCE__, __REG__) READ_REG(__INSTANCE__->__REG__)
+/**
+ * @}
+ */
+
+/** @defgroup USART_LL_EM_Exported_Macros_Helper Exported_Macros_Helper
+ * @{
+ */
+
+/**
+ * @brief Compute USARTDIV value according to Peripheral Clock and
+ * expected Baud Rate in 8 bits sampling mode (32 bits value of USARTDIV is returned)
+ * @param __PERIPHCLK__ Peripheral Clock frequency used for USART instance
+ * @param __BAUDRATE__ Baud rate value to achieve
+ * @retval USARTDIV value to be used for BRR register filling in OverSampling_8 case
+ */
+#define __LL_USART_DIV_SAMPLING8_100(__PERIPHCLK__, __BAUDRATE__) (((__PERIPHCLK__)*25)/(2*(__BAUDRATE__)))
+#define __LL_USART_DIVMANT_SAMPLING8(__PERIPHCLK__, __BAUDRATE__) (__LL_USART_DIV_SAMPLING8_100((__PERIPHCLK__), (__BAUDRATE__))/100)
+#define __LL_USART_DIVFRAQ_SAMPLING8(__PERIPHCLK__, __BAUDRATE__) (((__LL_USART_DIV_SAMPLING8_100((__PERIPHCLK__), (__BAUDRATE__)) - (__LL_USART_DIVMANT_SAMPLING8((__PERIPHCLK__), (__BAUDRATE__)) * 100)) * 8 + 50) / 100)
+/* UART BRR = mantissa + overflow + fraction
+ = (UART DIVMANT << 4) + ((UART DIVFRAQ & 0xF8) << 1) + (UART DIVFRAQ & 0x07) */
+#define __LL_USART_DIV_SAMPLING8(__PERIPHCLK__, __BAUDRATE__) (((__LL_USART_DIVMANT_SAMPLING8((__PERIPHCLK__), (__BAUDRATE__)) << 4) + \
+ ((__LL_USART_DIVFRAQ_SAMPLING8((__PERIPHCLK__), (__BAUDRATE__)) & 0xF8) << 1)) + \
+ (__LL_USART_DIVFRAQ_SAMPLING8((__PERIPHCLK__), (__BAUDRATE__)) & 0x07))
+
+/**
+ * @brief Compute USARTDIV value according to Peripheral Clock and
+ * expected Baud Rate in 16 bits sampling mode (32 bits value of USARTDIV is returned)
+ * @param __PERIPHCLK__ Peripheral Clock frequency used for USART instance
+ * @param __BAUDRATE__ Baud rate value to achieve
+ * @retval USARTDIV value to be used for BRR register filling in OverSampling_16 case
+ */
+#define __LL_USART_DIV_SAMPLING16_100(__PERIPHCLK__, __BAUDRATE__) (((__PERIPHCLK__)*25)/(4*(__BAUDRATE__)))
+#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
+ * @rmtoll CR1 UE LL_USART_Enable
+ * @param USARTx USART Instance
+ * @retval None
+ */
+__STATIC_INLINE void LL_USART_Enable(USART_TypeDef *USARTx)
+{
+ 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.
+ * @rmtoll CR1 UE LL_USART_Disable
+ * @param USARTx USART Instance
+ * @retval None
+ */
+__STATIC_INLINE void LL_USART_Disable(USART_TypeDef *USARTx)
+{
+ 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));
+}
+
+#if defined(USART_CR1_OVER8)
+/**
+ * @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));
+}
+
+#endif /* USART_OverSampling_Feature */
+/**
+ * @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));
+}
+
+#if defined(USART_CR3_ONEBIT)
+/**
+ * @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));
+}
+#endif /* USART_OneBitSampling_Feature */
+
+#if defined(USART_CR1_OVER8)
+/**
+ * @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);
+}
+#else
+/**
+ * @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 BaudRate Baud Rate
+ * @retval None
+ */
+__STATIC_INLINE void LL_USART_SetBaudRate(USART_TypeDef *USARTx, uint32_t PeriphClk, uint32_t BaudRate)
+{
+ 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
+ * @retval Baud Rate
+ */
+__STATIC_INLINE uint32_t LL_USART_GetBaudRate(USART_TypeDef *USARTx, uint32_t PeriphClk)
+{
+ register uint32_t usartdiv = 0x0U;
+ register uint32_t brrresult = 0x0U;
+
+ usartdiv = USARTx->BRR;
+
+ if ((usartdiv & 0xFFFFU) != 0U)
+ {
+ brrresult = PeriphClk / usartdiv;
+ }
+ return (brrresult);
+}
+#endif /* USART_OverSampling_Feature */
+
+/**
+ * @}
+ */
+
+/** @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 || UART4 || UART5 */
+
+/**
+ * @}
+ */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __STM32F1xx_LL_USART_H */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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