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/** |
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****************************************************************************** |
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* @file stm32f0xx_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>© COPYRIGHT(c) 2016 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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/* Define to prevent recursive inclusion -------------------------------------*/ |
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#ifndef __STM32F0xx_LL_USART_H |
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#define __STM32F0xx_LL_USART_H |
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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/* Includes ------------------------------------------------------------------*/ |
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#include "stm32f0xx.h" |
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/** @addtogroup STM32F0xx_LL_Driver |
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* @{ |
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*/ |
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#if defined (USART1) || defined (USART2) || defined (USART3) || defined (USART4) || defined (USART5) || defined (USART6) || defined (USART7) || defined (USART8) |
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/** @defgroup USART_LL USART |
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* @{ |
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*/ |
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/* Private types -------------------------------------------------------------*/ |
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/* Private variables ---------------------------------------------------------*/ |
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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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* @} |
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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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/* 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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* @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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This feature can be modified afterwards using unitary function @ref LL_USART_SetBaudRate().*/ |
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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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This feature can be modified afterwards using unitary function @ref LL_USART_SetDataWidth().*/ |
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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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This feature can be modified afterwards using unitary function @ref LL_USART_SetStopBitsLength().*/ |
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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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This feature can be modified afterwards using unitary function @ref LL_USART_SetParity().*/ |
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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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This feature can be modified afterwards using unitary function @ref LL_USART_SetTransferDirection().*/ |
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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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This feature can be modified afterwards using unitary function @ref LL_USART_SetHWFlowCtrl().*/ |
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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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This feature can be modified afterwards using unitary function @ref LL_USART_SetOverSampling().*/ |
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} LL_USART_InitTypeDef; |
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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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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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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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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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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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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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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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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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} LL_USART_ClockInitTypeDef; |
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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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/* 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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/** @defgroup USART_LL_EC_CLEAR_FLAG Clear Flags Defines |
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* @brief Flags defines which can be used with LL_USART_WriteReg function |
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* @{ |
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*/ |
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#define LL_USART_ICR_PECF USART_ICR_PECF /*!< Parity error flag */ |
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#define LL_USART_ICR_FECF USART_ICR_FECF /*!< Framing error flag */ |
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#define LL_USART_ICR_NCF USART_ICR_NCF /*!< Noise detected flag */ |
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#define LL_USART_ICR_ORECF USART_ICR_ORECF /*!< Overrun error flag */ |
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#define LL_USART_ICR_IDLECF USART_ICR_IDLECF /*!< Idle line detected flag */ |
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#define LL_USART_ICR_TCCF USART_ICR_TCCF /*!< Transmission complete flag */ |
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#if defined(USART_LIN_SUPPORT) |
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#define LL_USART_ICR_LBDCF USART_ICR_LBDCF /*!< LIN break detection flag */ |
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#endif |
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#define LL_USART_ICR_CTSCF USART_ICR_CTSCF /*!< CTS flag */ |
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#define LL_USART_ICR_RTOCF USART_ICR_RTOCF /*!< Receiver timeout flag */ |
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#if defined(USART_SMARTCARD_SUPPORT) |
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#define LL_USART_ICR_EOBCF USART_ICR_EOBCF /*!< End of block flag */ |
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#endif |
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#define LL_USART_ICR_CMCF USART_ICR_CMCF /*!< Character match flag */ |
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#if defined(USART_WUSM_SUPPORT) |
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#define LL_USART_ICR_WUCF USART_ICR_WUCF /*!< Wakeup from Stop mode flag */ |
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#endif |
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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_ISR_PE USART_ISR_PE /*!< Parity error flag */ |
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#define LL_USART_ISR_FE USART_ISR_FE /*!< Framing error flag */ |
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#define LL_USART_ISR_NE USART_ISR_NE /*!< Noise detected flag */ |
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#define LL_USART_ISR_ORE USART_ISR_ORE /*!< Overrun error flag */ |
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#define LL_USART_ISR_IDLE USART_ISR_IDLE /*!< Idle line detected flag */ |
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#define LL_USART_ISR_RXNE USART_ISR_RXNE /*!< Read data register not empty flag */ |
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#define LL_USART_ISR_TC USART_ISR_TC /*!< Transmission complete flag */ |
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#define LL_USART_ISR_TXE USART_ISR_TXE /*!< Transmit data register empty flag */ |
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#if defined(USART_LIN_SUPPORT) |
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#define LL_USART_ISR_LBDF USART_ISR_LBDF /*!< LIN break detection flag */ |
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#endif |
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#define LL_USART_ISR_CTSIF USART_ISR_CTSIF /*!< CTS interrupt flag */ |
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#define LL_USART_ISR_CTS USART_ISR_CTS /*!< CTS flag */ |
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#define LL_USART_ISR_RTOF USART_ISR_RTOF /*!< Receiver timeout flag */ |
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#if defined(USART_SMARTCARD_SUPPORT) |
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#define LL_USART_ISR_EOBF USART_ISR_EOBF /*!< End of block flag */ |
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#endif |
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#define LL_USART_ISR_ABRE USART_ISR_ABRE /*!< Auto baud rate error flag */ |
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#define LL_USART_ISR_ABRF USART_ISR_ABRF /*!< Auto baud rate flag */ |
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#define LL_USART_ISR_BUSY USART_ISR_BUSY /*!< Busy flag */ |
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#define LL_USART_ISR_CMF USART_ISR_CMF /*!< Character match flag */ |
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#define LL_USART_ISR_SBKF USART_ISR_SBKF /*!< Send break flag */ |
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#define LL_USART_ISR_RWU USART_ISR_RWU /*!< Receiver wakeup from Mute mode flag */ |
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#if defined(USART_WUSM_SUPPORT) |
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#define LL_USART_ISR_WUF USART_ISR_WUF /*!< Wakeup from Stop mode flag */ |
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#define LL_USART_ISR_TEACK USART_ISR_TEACK /*!< Transmit enable acknowledge flag */ |
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#define LL_USART_ISR_REACK USART_ISR_REACK /*!< Receive enable acknowledge flag */ |
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#endif |
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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_CR1_CMIE USART_CR1_CMIE /*!< Character match interrupt enable */ |
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#define LL_USART_CR1_RTOIE USART_CR1_RTOIE /*!< Receiver timeout interrupt enable */ |
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#if defined(USART_SMARTCARD_SUPPORT) |
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#define LL_USART_CR1_EOBIE USART_CR1_EOBIE /*!< End of Block interrupt enable */ |
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#endif |
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#if defined(USART_LIN_SUPPORT) |
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#define LL_USART_CR2_LBDIE USART_CR2_LBDIE /*!< LIN break detection interrupt enable */ |
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#endif |
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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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#if defined(USART_WUSM_SUPPORT) |
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#define LL_USART_CR3_WUFIE USART_CR3_WUFIE /*!< Wakeup from Stop mode interrupt enable */ |
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#endif |
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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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/** @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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/** @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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/** @defgroup USART_LL_EC_DATAWIDTH Datawidth |
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* @{ |
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*/ |
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#if defined(USART_7BITS_SUPPORT) |
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#define LL_USART_DATAWIDTH_7B USART_CR1_M1 /*!< 7 bits word length : Start bit, 7 data bits, n stop bits */ |
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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_M0 /*!< 9 bits word length : Start bit, 9 data bits, n stop bits */ |
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#else |
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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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#endif |
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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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#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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#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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/** @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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/** @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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/** @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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/** @defgroup USART_LL_EC_STOPBITS Stop Bits |
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* @{ |
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*/ |
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#if defined(USART_SMARTCARD_SUPPORT) |
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#define LL_USART_STOPBITS_0_5 USART_CR2_STOP_0 /*!< 0.5 stop bit */ |
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#endif |
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#define LL_USART_STOPBITS_1 0x00000000U /*!< 1 stop bit */ |
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#if defined(USART_SMARTCARD_SUPPORT) |
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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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#endif |
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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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/** @defgroup USART_LL_EC_TXRX TX RX Pins Swap |
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* @{ |
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*/ |
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#define LL_USART_TXRX_STANDARD 0x00000000U /*!< TX/RX pins are used as defined in standard pinout */ |
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#define LL_USART_TXRX_SWAPPED (USART_CR2_SWAP) /*!< TX and RX pins functions are swapped. */ |
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/** |
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* @} |
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*/ |
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/** @defgroup USART_LL_EC_RXPIN_LEVEL RX Pin Active Level Inversion |
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* @{ |
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*/ |
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#define LL_USART_RXPIN_LEVEL_STANDARD 0x00000000U /*!< RX pin signal works using the standard logic levels */ |
|
377 |
#define LL_USART_RXPIN_LEVEL_INVERTED (USART_CR2_RXINV) /*!< RX pin signal values are inverted. */ |
|
378 |
/** |
|
379 |
* @} |
|
380 |
*/ |
|
381 |
|
|
382 |
/** @defgroup USART_LL_EC_TXPIN_LEVEL TX Pin Active Level Inversion |
|
383 |
* @{ |
|
384 |
*/ |
|
385 |
#define LL_USART_TXPIN_LEVEL_STANDARD 0x00000000U /*!< TX pin signal works using the standard logic levels */ |
|
386 |
#define LL_USART_TXPIN_LEVEL_INVERTED (USART_CR2_TXINV) /*!< TX pin signal values are inverted. */ |
|
387 |
/** |
|
388 |
* @} |
|
389 |
*/ |
|
390 |
|
|
391 |
/** @defgroup USART_LL_EC_BINARY_LOGIC Binary Data Inversion |
|
392 |
* @{ |
|
393 |
*/ |
|
394 |
#define LL_USART_BINARY_LOGIC_POSITIVE 0x00000000U /*!< Logical data from the data register are send/received in positive/direct logic. (1=H, 0=L) */ |
|
395 |
#define LL_USART_BINARY_LOGIC_NEGATIVE USART_CR2_DATAINV /*!< Logical data from the data register are send/received in negative/inverse logic. (1=L, 0=H). The parity bit is also inverted. */ |
|
396 |
/** |
|
397 |
* @} |
|
398 |
*/ |
|
399 |
|
|
400 |
/** @defgroup USART_LL_EC_BITORDER Bit Order |
|
401 |
* @{ |
|
402 |
*/ |
|
403 |
#define LL_USART_BITORDER_LSBFIRST 0x00000000U /*!< data is transmitted/received with data bit 0 first, following the start bit */ |
|
404 |
#define LL_USART_BITORDER_MSBFIRST USART_CR2_MSBFIRST /*!< data is transmitted/received with the MSB first, following the start bit */ |
|
405 |
/** |
|
406 |
* @} |
|
407 |
*/ |
|
408 |
|
|
409 |
/** @defgroup USART_LL_EC_AUTOBAUD_DETECT_ON Autobaud Detection |
|
410 |
* @{ |
|
411 |
*/ |
|
412 |
#define LL_USART_AUTOBAUD_DETECT_ON_STARTBIT 0x00000000U /*!< Measurement of the start bit is used to detect the baud rate */ |
|
413 |
#define LL_USART_AUTOBAUD_DETECT_ON_FALLINGEDGE USART_CR2_ABRMODE_0 /*!< Falling edge to falling edge measurement. Received frame must start with a single bit = 1 -> Frame = Start10xxxxxx */ |
|
414 |
#if defined(USART_FABR_SUPPORT) |
|
415 |
#define LL_USART_AUTOBAUD_DETECT_ON_7F_FRAME USART_CR2_ABRMODE_1 /*!< 0x7F frame detection */ |
|
416 |
#define LL_USART_AUTOBAUD_DETECT_ON_55_FRAME (USART_CR2_ABRMODE_1 | USART_CR2_ABRMODE_0) /*!< 0x55 frame detection */ |
|
417 |
#endif |
|
418 |
/** |
|
419 |
* @} |
|
420 |
*/ |
|
421 |
|
|
422 |
/** @defgroup USART_LL_EC_ADDRESS_DETECT Address Length Detection |
|
423 |
* @{ |
|
424 |
*/ |
|
425 |
#define LL_USART_ADDRESS_DETECT_4B 0x00000000U /*!< 4-bit address detection method selected */ |
|
426 |
#define LL_USART_ADDRESS_DETECT_7B USART_CR2_ADDM7 /*!< 7-bit address detection (in 8-bit data mode) method selected */ |
|
427 |
/** |
|
428 |
* @} |
|
429 |
*/ |
|
430 |
|
|
431 |
/** @defgroup USART_LL_EC_HWCONTROL Hardware Control |
|
432 |
* @{ |
|
433 |
*/ |
|
434 |
#define LL_USART_HWCONTROL_NONE 0x00000000U /*!< CTS and RTS hardware flow control disabled */ |
|
435 |
#define LL_USART_HWCONTROL_RTS USART_CR3_RTSE /*!< RTS output enabled, data is only requested when there is space in the receive buffer */ |
|
436 |
#define LL_USART_HWCONTROL_CTS USART_CR3_CTSE /*!< CTS mode enabled, data is only transmitted when the nCTS input is asserted (tied to 0) */ |
|
437 |
#define LL_USART_HWCONTROL_RTS_CTS (USART_CR3_RTSE | USART_CR3_CTSE) /*!< CTS and RTS hardware flow control enabled */ |
|
438 |
/** |
|
439 |
* @} |
|
440 |
*/ |
|
441 |
|
|
442 |
#if defined(USART_WUSM_SUPPORT) |
|
443 |
/** @defgroup USART_LL_EC_WAKEUP_ON Wakeup Activation |
|
444 |
* @{ |
|
445 |
*/ |
|
446 |
#define LL_USART_WAKEUP_ON_ADDRESS 0x00000000U /*!< Wake up active on address match */ |
|
447 |
#define LL_USART_WAKEUP_ON_STARTBIT USART_CR3_WUS_1 /*!< Wake up active on Start bit detection */ |
|
448 |
#define LL_USART_WAKEUP_ON_RXNE (USART_CR3_WUS_0 | USART_CR3_WUS_1) /*!< Wake up active on RXNE */ |
|
449 |
/** |
|
450 |
* @} |
|
451 |
*/ |
|
452 |
#endif |
|
453 |
|
|
454 |
#if defined(USART_IRDA_SUPPORT) |
|
455 |
/** @defgroup USART_LL_EC_IRDA_POWER IrDA Power |
|
456 |
* @{ |
|
457 |
*/ |
|
458 |
#define LL_USART_IRDA_POWER_NORMAL 0x00000000U /*!< IrDA normal power mode */ |
|
459 |
#define LL_USART_IRDA_POWER_LOW USART_CR3_IRLP /*!< IrDA low power mode */ |
|
460 |
/** |
|
461 |
* @} |
|
462 |
*/ |
|
463 |
#endif |
|
464 |
|
|
465 |
#if defined(USART_LIN_SUPPORT) |
|
466 |
/** @defgroup USART_LL_EC_LINBREAK_DETECT LIN Break Detection Length |
|
467 |
* @{ |
|
468 |
*/ |
|
469 |
#define LL_USART_LINBREAK_DETECT_10B 0x00000000U /*!< 10-bit break detection method selected */ |
|
470 |
#define LL_USART_LINBREAK_DETECT_11B USART_CR2_LBDL /*!< 11-bit break detection method selected */ |
|
471 |
/** |
|
472 |
* @} |
|
473 |
*/ |
|
474 |
#endif |
|
475 |
|
|
476 |
/** @defgroup USART_LL_EC_DE_POLARITY Driver Enable Polarity |
|
477 |
* @{ |
|
478 |
*/ |
|
479 |
#define LL_USART_DE_POLARITY_HIGH 0x00000000U /*!< DE signal is active high */ |
|
480 |
#define LL_USART_DE_POLARITY_LOW USART_CR3_DEP /*!< DE signal is active low */ |
|
481 |
/** |
|
482 |
* @} |
|
483 |
*/ |
|
484 |
|
|
485 |
/** @defgroup USART_LL_EC_DMA_REG_DATA DMA Register Data |
|
486 |
* @{ |
|
487 |
*/ |
|
488 |
#define LL_USART_DMA_REG_DATA_TRANSMIT 0x00000000U /*!< Get address of data register used for transmission */ |
|
489 |
#define LL_USART_DMA_REG_DATA_RECEIVE 0x00000001U /*!< Get address of data register used for reception */ |
|
490 |
/** |
|
491 |
* @} |
|
492 |
*/ |
|
493 |
|
|
494 |
/** |
|
495 |
* @} |
|
496 |
*/ |
|
497 |
|
|
498 |
/* Exported macro ------------------------------------------------------------*/ |
|
499 |
/** @defgroup USART_LL_Exported_Macros USART Exported Macros |
|
500 |
* @{ |
|
501 |
*/ |
|
502 |
|
|
503 |
/** @defgroup USART_LL_EM_WRITE_READ Common Write and read registers Macros |
|
504 |
* @{ |
|
505 |
*/ |
|
506 |
|
|
507 |
/** |
|
508 |
* @brief Write a value in USART register |
|
509 |
* @param __INSTANCE__ USART Instance |
|
510 |
* @param __REG__ Register to be written |
|
511 |
* @param __VALUE__ Value to be written in the register |
|
512 |
* @retval None |
|
513 |
*/ |
|
514 |
#define LL_USART_WriteReg(__INSTANCE__, __REG__, __VALUE__) WRITE_REG(__INSTANCE__->__REG__, (__VALUE__)) |
|
515 |
|
|
516 |
/** |
|
517 |
* @brief Read a value in USART register |
|
518 |
* @param __INSTANCE__ USART Instance |
|
519 |
* @param __REG__ Register to be read |
|
520 |
* @retval Register value |
|
521 |
*/ |
|
522 |
#define LL_USART_ReadReg(__INSTANCE__, __REG__) READ_REG(__INSTANCE__->__REG__) |
|
523 |
/** |
|
524 |
* @} |
|
525 |
*/ |
|
526 |
|
|
527 |
/** @defgroup USART_LL_EM_Exported_Macros_Helper Exported_Macros_Helper |
|
528 |
* @{ |
|
529 |
*/ |
|
530 |
|
|
531 |
/** |
|
532 |
* @brief Compute USARTDIV value according to Peripheral Clock and |
|
533 |
* expected Baud Rate in 8 bits sampling mode (32 bits value of USARTDIV is returned) |
|
534 |
* @param __PERIPHCLK__ Peripheral Clock frequency used for USART instance |
|
535 |
* @param __BAUDRATE__ Baud rate value to achieve |
|
536 |
* @retval USARTDIV value to be used for BRR register filling in OverSampling_8 case |
|
537 |
*/ |
|
538 |
#define __LL_USART_DIV_SAMPLING8(__PERIPHCLK__, __BAUDRATE__) ((((__PERIPHCLK__)*2) + ((__BAUDRATE__)/2))/(__BAUDRATE__)) |
|
539 |
|
|
540 |
/** |
|
541 |
* @brief Compute USARTDIV value according to Peripheral Clock and |
|
542 |
* expected Baud Rate in 16 bits sampling mode (32 bits value of USARTDIV is returned) |
|
543 |
* @param __PERIPHCLK__ Peripheral Clock frequency used for USART instance |
|
544 |
* @param __BAUDRATE__ Baud rate value to achieve |
|
545 |
* @retval USARTDIV value to be used for BRR register filling in OverSampling_16 case |
|
546 |
*/ |
|
547 |
#define __LL_USART_DIV_SAMPLING16(__PERIPHCLK__, __BAUDRATE__) (((__PERIPHCLK__) + ((__BAUDRATE__)/2))/(__BAUDRATE__)) |
|
548 |
|
|
549 |
/** |
|
550 |
* @} |
|
551 |
*/ |
|
552 |
|
|
553 |
/** |
|
554 |
* @} |
|
555 |
*/ |
|
556 |
|
|
557 |
/* Exported functions --------------------------------------------------------*/ |
|
558 |
|
|
559 |
/** @defgroup USART_LL_Exported_Functions USART Exported Functions |
|
560 |
* @{ |
|
561 |
*/ |
|
562 |
|
|
563 |
/** @defgroup USART_LL_EF_Configuration Configuration functions |
|
564 |
* @{ |
|
565 |
*/ |
|
566 |
|
|
567 |
/** |
|
568 |
* @brief USART Enable |
|
569 |
* @rmtoll CR1 UE LL_USART_Enable |
|
570 |
* @param USARTx USART Instance |
|
571 |
* @retval None |
|
572 |
*/ |
|
573 |
__STATIC_INLINE void LL_USART_Enable(USART_TypeDef *USARTx) |
|
574 |
{ |
|
575 |
SET_BIT(USARTx->CR1, USART_CR1_UE); |
|
576 |
} |
|
577 |
|
|
578 |
/** |
|
579 |
* @brief USART Disable (all USART prescalers and outputs are disabled) |
|
580 |
* @note When USART is disabled, USART prescalers and outputs are stopped immediately, |
|
581 |
* and current operations are discarded. The configuration of the USART is kept, but all the status |
|
582 |
* flags, in the USARTx_ISR are set to their default values. |
|
583 |
* @rmtoll CR1 UE LL_USART_Disable |
|
584 |
* @param USARTx USART Instance |
|
585 |
* @retval None |
|
586 |
*/ |
|
587 |
__STATIC_INLINE void LL_USART_Disable(USART_TypeDef *USARTx) |
|
588 |
{ |
|
589 |
CLEAR_BIT(USARTx->CR1, USART_CR1_UE); |
|
590 |
} |
|
591 |
|
|
592 |
/** |
|
593 |
* @brief Indicate if USART is enabled |
|
594 |
* @rmtoll CR1 UE LL_USART_IsEnabled |
|
595 |
* @param USARTx USART Instance |
|
596 |
* @retval State of bit (1 or 0). |
|
597 |
*/ |
|
598 |
__STATIC_INLINE uint32_t LL_USART_IsEnabled(USART_TypeDef *USARTx) |
|
599 |
{ |
|
600 |
return (READ_BIT(USARTx->CR1, USART_CR1_UE) == (USART_CR1_UE)); |
|
601 |
} |
|
602 |
|
|
603 |
#if defined(USART_WUSM_SUPPORT) |
|
604 |
/** |
|
605 |
* @brief USART enabled in STOP Mode. |
|
606 |
* @note When this function is enabled, USART is able to wake up the MCU from Stop mode, provided that |
|
607 |
* USART clock selection is HSI or LSE in RCC. |
|
608 |
* @note Macro @ref IS_UART_WAKEUP_FROMSTOP_INSTANCE(USARTx) can be used to check whether or not |
|
609 |
* Wake-up from Stop mode feature is supported by the USARTx instance. |
|
610 |
* @rmtoll CR1 UESM LL_USART_EnableInStopMode |
|
611 |
* @param USARTx USART Instance |
|
612 |
* @retval None |
|
613 |
*/ |
|
614 |
__STATIC_INLINE void LL_USART_EnableInStopMode(USART_TypeDef *USARTx) |
|
615 |
{ |
|
616 |
SET_BIT(USARTx->CR1, USART_CR1_UESM); |
|
617 |
} |
|
618 |
|
|
619 |
/** |
|
620 |
* @brief USART disabled in STOP Mode. |
|
621 |
* @note When this function is disabled, USART is not able to wake up the MCU from Stop mode |
|
622 |
* @note Macro @ref IS_UART_WAKEUP_FROMSTOP_INSTANCE(USARTx) can be used to check whether or not |
|
623 |
* Wake-up from Stop mode feature is supported by the USARTx instance. |
|
624 |
* @rmtoll CR1 UESM LL_USART_DisableInStopMode |
|
625 |
* @param USARTx USART Instance |
|
626 |
* @retval None |
|
627 |
*/ |
|
628 |
__STATIC_INLINE void LL_USART_DisableInStopMode(USART_TypeDef *USARTx) |
|
629 |
{ |
|
630 |
CLEAR_BIT(USARTx->CR1, USART_CR1_UESM); |
|
631 |
} |
|
632 |
|
|
633 |
/** |
|
634 |
* @brief Indicate if USART is enabled in STOP Mode (able to wake up MCU from Stop mode or not) |
|
635 |
* @note Macro @ref IS_UART_WAKEUP_FROMSTOP_INSTANCE(USARTx) can be used to check whether or not |
|
636 |
* Wake-up from Stop mode feature is supported by the USARTx instance. |
|
637 |
* @rmtoll CR1 UESM LL_USART_IsEnabledInStopMode |
|
638 |
* @param USARTx USART Instance |
|
639 |
* @retval State of bit (1 or 0). |
|
640 |
*/ |
|
641 |
__STATIC_INLINE uint32_t LL_USART_IsEnabledInStopMode(USART_TypeDef *USARTx) |
|
642 |
{ |
|
643 |
return (READ_BIT(USARTx->CR1, USART_CR1_UESM) == (USART_CR1_UESM)); |
|
644 |
} |
|
645 |
#endif |
|
646 |
|
|
647 |
/** |
|
648 |
* @brief Receiver Enable (Receiver is enabled and begins searching for a start bit) |
|
649 |
* @rmtoll CR1 RE LL_USART_EnableDirectionRx |
|
650 |
* @param USARTx USART Instance |
|
651 |
* @retval None |
|
652 |
*/ |
|
653 |
__STATIC_INLINE void LL_USART_EnableDirectionRx(USART_TypeDef *USARTx) |
|
654 |
{ |
|
655 |
SET_BIT(USARTx->CR1, USART_CR1_RE); |
|
656 |
} |
|
657 |
|
|
658 |
/** |
|
659 |
* @brief Receiver Disable |
|
660 |
* @rmtoll CR1 RE LL_USART_DisableDirectionRx |
|
661 |
* @param USARTx USART Instance |
|
662 |
* @retval None |
|
663 |
*/ |
|
664 |
__STATIC_INLINE void LL_USART_DisableDirectionRx(USART_TypeDef *USARTx) |
|
665 |
{ |
|
666 |
CLEAR_BIT(USARTx->CR1, USART_CR1_RE); |
|
667 |
} |
|
668 |
|
|
669 |
/** |
|
670 |
* @brief Transmitter Enable |
|
671 |
* @rmtoll CR1 TE LL_USART_EnableDirectionTx |
|
672 |
* @param USARTx USART Instance |
|
673 |
* @retval None |
|
674 |
*/ |
|
675 |
__STATIC_INLINE void LL_USART_EnableDirectionTx(USART_TypeDef *USARTx) |
|
676 |
{ |
|
677 |
SET_BIT(USARTx->CR1, USART_CR1_TE); |
|
678 |
} |
|
679 |
|
|
680 |
/** |
|
681 |
* @brief Transmitter Disable |
|
682 |
* @rmtoll CR1 TE LL_USART_DisableDirectionTx |
|
683 |
* @param USARTx USART Instance |
|
684 |
* @retval None |
|
685 |
*/ |
|
686 |
__STATIC_INLINE void LL_USART_DisableDirectionTx(USART_TypeDef *USARTx) |
|
687 |
{ |
|
688 |
CLEAR_BIT(USARTx->CR1, USART_CR1_TE); |
|
689 |
} |
|
690 |
|
|
691 |
/** |
|
692 |
* @brief Configure simultaneously enabled/disabled states |
|
693 |
* of Transmitter and Receiver |
|
694 |
* @rmtoll CR1 RE LL_USART_SetTransferDirection\n |
|
695 |
* CR1 TE LL_USART_SetTransferDirection |
|
696 |
* @param USARTx USART Instance |
|
697 |
* @param TransferDirection This parameter can be one of the following values: |
|
698 |
* @arg @ref LL_USART_DIRECTION_NONE |
|
699 |
* @arg @ref LL_USART_DIRECTION_RX |
|
700 |
* @arg @ref LL_USART_DIRECTION_TX |
|
701 |
* @arg @ref LL_USART_DIRECTION_TX_RX |
|
702 |
* @retval None |
|
703 |
*/ |
|
704 |
__STATIC_INLINE void LL_USART_SetTransferDirection(USART_TypeDef *USARTx, uint32_t TransferDirection) |
|
705 |
{ |
|
706 |
MODIFY_REG(USARTx->CR1, USART_CR1_RE | USART_CR1_TE, TransferDirection); |
|
707 |
} |
|
708 |
|
|
709 |
/** |
|
710 |
* @brief Return enabled/disabled states of Transmitter and Receiver |
|
711 |
* @rmtoll CR1 RE LL_USART_GetTransferDirection\n |
|
712 |
* CR1 TE LL_USART_GetTransferDirection |
|
713 |
* @param USARTx USART Instance |
|
714 |
* @retval Returned value can be one of the following values: |
|
715 |
* @arg @ref LL_USART_DIRECTION_NONE |
|
716 |
* @arg @ref LL_USART_DIRECTION_RX |
|
717 |
* @arg @ref LL_USART_DIRECTION_TX |
|
718 |
* @arg @ref LL_USART_DIRECTION_TX_RX |
|
719 |
*/ |
|
720 |
__STATIC_INLINE uint32_t LL_USART_GetTransferDirection(USART_TypeDef *USARTx) |
|
721 |
{ |
|
722 |
return (uint32_t)(READ_BIT(USARTx->CR1, USART_CR1_RE | USART_CR1_TE)); |
|
723 |
} |
|
724 |
|
|
725 |
/** |
|
726 |
* @brief Configure Parity (enabled/disabled and parity mode if enabled). |
|
727 |
* @note This function selects if hardware parity control (generation and detection) is enabled or disabled. |
|
728 |
* When the parity control is enabled (Odd or Even), computed parity bit is inserted at the MSB position |
|
729 |
* (9th or 8th bit depending on data width) and parity is checked on the received data. |
|
730 |
* @rmtoll CR1 PS LL_USART_SetParity\n |
|
731 |
* CR1 PCE LL_USART_SetParity |
|
732 |
* @param USARTx USART Instance |
|
733 |
* @param Parity This parameter can be one of the following values: |
|
734 |
* @arg @ref LL_USART_PARITY_NONE |
|
735 |
* @arg @ref LL_USART_PARITY_EVEN |
|
736 |
* @arg @ref LL_USART_PARITY_ODD |
|
737 |
* @retval None |
|
738 |
*/ |
|
739 |
__STATIC_INLINE void LL_USART_SetParity(USART_TypeDef *USARTx, uint32_t Parity) |
|
740 |
{ |
|
741 |
MODIFY_REG(USARTx->CR1, USART_CR1_PS | USART_CR1_PCE, Parity); |
|
742 |
} |
|
743 |
|
|
744 |
/** |
|
745 |
* @brief Return Parity configuration (enabled/disabled and parity mode if enabled) |
|
746 |
* @rmtoll CR1 PS LL_USART_GetParity\n |
|
747 |
* CR1 PCE LL_USART_GetParity |
|
748 |
* @param USARTx USART Instance |
|
749 |
* @retval Returned value can be one of the following values: |
|
750 |
* @arg @ref LL_USART_PARITY_NONE |
|
751 |
* @arg @ref LL_USART_PARITY_EVEN |
|
752 |
* @arg @ref LL_USART_PARITY_ODD |
|
753 |
*/ |
|
754 |
__STATIC_INLINE uint32_t LL_USART_GetParity(USART_TypeDef *USARTx) |
|
755 |
{ |
|
756 |
return (uint32_t)(READ_BIT(USARTx->CR1, USART_CR1_PS | USART_CR1_PCE)); |
|
757 |
} |
|
758 |
|
|
759 |
/** |
|
760 |
* @brief Set Receiver Wake Up method from Mute mode. |
|
761 |
* @rmtoll CR1 WAKE LL_USART_SetWakeUpMethod |
|
762 |
* @param USARTx USART Instance |
|
763 |
* @param Method This parameter can be one of the following values: |
|
764 |
* @arg @ref LL_USART_WAKEUP_IDLELINE |
|
765 |
* @arg @ref LL_USART_WAKEUP_ADDRESSMARK |
|
766 |
* @retval None |
|
767 |
*/ |
|
768 |
__STATIC_INLINE void LL_USART_SetWakeUpMethod(USART_TypeDef *USARTx, uint32_t Method) |
|
769 |
{ |
|
770 |
MODIFY_REG(USARTx->CR1, USART_CR1_WAKE, Method); |
|
771 |
} |
|
772 |
|
|
773 |
/** |
|
774 |
* @brief Return Receiver Wake Up method from Mute mode |
|
775 |
* @rmtoll CR1 WAKE LL_USART_GetWakeUpMethod |
|
776 |
* @param USARTx USART Instance |
|
777 |
* @retval Returned value can be one of the following values: |
|
778 |
* @arg @ref LL_USART_WAKEUP_IDLELINE |
|
779 |
* @arg @ref LL_USART_WAKEUP_ADDRESSMARK |
|
780 |
*/ |
|
781 |
__STATIC_INLINE uint32_t LL_USART_GetWakeUpMethod(USART_TypeDef *USARTx) |
|
782 |
{ |
|
783 |
return (uint32_t)(READ_BIT(USARTx->CR1, USART_CR1_WAKE)); |
|
784 |
} |
|
785 |
|
|
786 |
/** |
|
787 |
* @brief Set Word length (i.e. nb of data bits, excluding start and stop bits) |
|
788 |
* @rmtoll CR1 M0 LL_USART_SetDataWidth\n |
|
789 |
* CR1 M1 LL_USART_SetDataWidth |
|
790 |
* @param USARTx USART Instance |
|
791 |
* @param DataWidth This parameter can be one of the following values: |
|
792 |
* @arg @ref LL_USART_DATAWIDTH_7B (*) |
|
793 |
* @arg @ref LL_USART_DATAWIDTH_8B |
|
794 |
* @arg @ref LL_USART_DATAWIDTH_9B |
|
795 |
* |
|
796 |
* (*) Values not available on all devices |
|
797 |
* @retval None |
|
798 |
*/ |
|
799 |
__STATIC_INLINE void LL_USART_SetDataWidth(USART_TypeDef *USARTx, uint32_t DataWidth) |
|
800 |
{ |
|
801 |
MODIFY_REG(USARTx->CR1, USART_CR1_M, DataWidth); |
|
802 |
} |
|
803 |
|
|
804 |
/** |
|
805 |
* @brief Return Word length (i.e. nb of data bits, excluding start and stop bits) |
|
806 |
* @rmtoll CR1 M0 LL_USART_GetDataWidth\n |
|
807 |
* CR1 M1 LL_USART_GetDataWidth |
|
808 |
* @param USARTx USART Instance |
|
809 |
* @retval Returned value can be one of the following values: |
|
810 |
* @arg @ref LL_USART_DATAWIDTH_7B (*) |
|
811 |
* @arg @ref LL_USART_DATAWIDTH_8B |
|
812 |
* @arg @ref LL_USART_DATAWIDTH_9B |
|
813 |
* |
|
814 |
* (*) Values not available on all devices |
|
815 |
*/ |
|
816 |
__STATIC_INLINE uint32_t LL_USART_GetDataWidth(USART_TypeDef *USARTx) |
|
817 |
{ |
|
818 |
return (uint32_t)(READ_BIT(USARTx->CR1, USART_CR1_M)); |
|
819 |
} |
|
820 |
|
|
821 |
/** |
|
822 |
* @brief Allow switch between Mute Mode and Active mode |
|
823 |
* @rmtoll CR1 MME LL_USART_EnableMuteMode |
|
824 |
* @param USARTx USART Instance |
|
825 |
* @retval None |
|
826 |
*/ |
|
827 |
__STATIC_INLINE void LL_USART_EnableMuteMode(USART_TypeDef *USARTx) |
|
828 |
{ |
|
829 |
SET_BIT(USARTx->CR1, USART_CR1_MME); |
|
830 |
} |
|
831 |
|
|
832 |
/** |
|
833 |
* @brief Prevent Mute Mode use. Set Receiver in active mode permanently. |
|
834 |
* @rmtoll CR1 MME LL_USART_DisableMuteMode |
|
835 |
* @param USARTx USART Instance |
|
836 |
* @retval None |
|
837 |
*/ |
|
838 |
__STATIC_INLINE void LL_USART_DisableMuteMode(USART_TypeDef *USARTx) |
|
839 |
{ |
|
840 |
CLEAR_BIT(USARTx->CR1, USART_CR1_MME); |
|
841 |
} |
|
842 |
|
|
843 |
/** |
|
844 |
* @brief Indicate if switch between Mute Mode and Active mode is allowed |
|
845 |
* @rmtoll CR1 MME LL_USART_IsEnabledMuteMode |
|
846 |
* @param USARTx USART Instance |
|
847 |
* @retval State of bit (1 or 0). |
|
848 |
*/ |
|
849 |
__STATIC_INLINE uint32_t LL_USART_IsEnabledMuteMode(USART_TypeDef *USARTx) |
|
850 |
{ |
|
851 |
return (READ_BIT(USARTx->CR1, USART_CR1_MME) == (USART_CR1_MME)); |
|
852 |
} |
|
853 |
|
|
854 |
/** |
|
855 |
* @brief Set Oversampling to 8-bit or 16-bit mode |
|
856 |
* @rmtoll CR1 OVER8 LL_USART_SetOverSampling |
|
857 |
* @param USARTx USART Instance |
|
858 |
* @param OverSampling This parameter can be one of the following values: |
|
859 |
* @arg @ref LL_USART_OVERSAMPLING_16 |
|
860 |
* @arg @ref LL_USART_OVERSAMPLING_8 |
|
861 |
* @retval None |
|
862 |
*/ |
|
863 |
__STATIC_INLINE void LL_USART_SetOverSampling(USART_TypeDef *USARTx, uint32_t OverSampling) |
|
864 |
{ |
|
865 |
MODIFY_REG(USARTx->CR1, USART_CR1_OVER8, OverSampling); |
|
866 |
} |
|
867 |
|
|
868 |
/** |
|
869 |
* @brief Return Oversampling mode |
|
870 |
* @rmtoll CR1 OVER8 LL_USART_GetOverSampling |
|
871 |
* @param USARTx USART Instance |
|
872 |
* @retval Returned value can be one of the following values: |
|
873 |
* @arg @ref LL_USART_OVERSAMPLING_16 |
|
874 |
* @arg @ref LL_USART_OVERSAMPLING_8 |
|
875 |
*/ |
|
876 |
__STATIC_INLINE uint32_t LL_USART_GetOverSampling(USART_TypeDef *USARTx) |
|
877 |
{ |
|
878 |
return (uint32_t)(READ_BIT(USARTx->CR1, USART_CR1_OVER8)); |
|
879 |
} |
|
880 |
|
|
881 |
/** |
|
882 |
* @brief Configure if Clock pulse of the last data bit is output to the SCLK pin or not |
|
883 |
* @note Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not |
|
884 |
* Synchronous mode is supported by the USARTx instance. |
|
885 |
* @rmtoll CR2 LBCL LL_USART_SetLastClkPulseOutput |
|
886 |
* @param USARTx USART Instance |
|
887 |
* @param LastBitClockPulse This parameter can be one of the following values: |
|
888 |
* @arg @ref LL_USART_LASTCLKPULSE_NO_OUTPUT |
|
889 |
* @arg @ref LL_USART_LASTCLKPULSE_OUTPUT |
|
890 |
* @retval None |
|
891 |
*/ |
|
892 |
__STATIC_INLINE void LL_USART_SetLastClkPulseOutput(USART_TypeDef *USARTx, uint32_t LastBitClockPulse) |
|
893 |
{ |
|
894 |
MODIFY_REG(USARTx->CR2, USART_CR2_LBCL, LastBitClockPulse); |
|
895 |
} |
|
896 |
|
|
897 |
/** |
|
898 |
* @brief Retrieve Clock pulse of the last data bit output configuration |
|
899 |
* (Last bit Clock pulse output to the SCLK pin or not) |
|
900 |
* @note Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not |
|
901 |
* Synchronous mode is supported by the USARTx instance. |
|
902 |
* @rmtoll CR2 LBCL LL_USART_GetLastClkPulseOutput |
|
903 |
* @param USARTx USART Instance |
|
904 |
* @retval Returned value can be one of the following values: |
|
905 |
* @arg @ref LL_USART_LASTCLKPULSE_NO_OUTPUT |
|
906 |
* @arg @ref LL_USART_LASTCLKPULSE_OUTPUT |
|
907 |
*/ |
|
908 |
__STATIC_INLINE uint32_t LL_USART_GetLastClkPulseOutput(USART_TypeDef *USARTx) |
|
909 |
{ |
|
910 |
return (uint32_t)(READ_BIT(USARTx->CR2, USART_CR2_LBCL)); |
|
911 |
} |
|
912 |
|
|
913 |
/** |
|
914 |
* @brief Select the phase of the clock output on the SCLK pin in synchronous mode |
|
915 |
* @note Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not |
|
916 |
* Synchronous mode is supported by the USARTx instance. |
|
917 |
* @rmtoll CR2 CPHA LL_USART_SetClockPhase |
|
918 |
* @param USARTx USART Instance |
|
919 |
* @param ClockPhase This parameter can be one of the following values: |
|
920 |
* @arg @ref LL_USART_PHASE_1EDGE |
|
921 |
* @arg @ref LL_USART_PHASE_2EDGE |
|
922 |
* @retval None |
|
923 |
*/ |
|
924 |
__STATIC_INLINE void LL_USART_SetClockPhase(USART_TypeDef *USARTx, uint32_t ClockPhase) |
|
925 |
{ |
|
926 |
MODIFY_REG(USARTx->CR2, USART_CR2_CPHA, ClockPhase); |
|
927 |
} |
|
928 |
|
|
929 |
/** |
|
930 |
* @brief Return phase of the clock output on the SCLK pin in synchronous mode |
|
931 |
* @note Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not |
|
932 |
* Synchronous mode is supported by the USARTx instance. |
|
933 |
* @rmtoll CR2 CPHA LL_USART_GetClockPhase |
|
934 |
* @param USARTx USART Instance |
|
935 |
* @retval Returned value can be one of the following values: |
|
936 |
* @arg @ref LL_USART_PHASE_1EDGE |
|
937 |
* @arg @ref LL_USART_PHASE_2EDGE |
|
938 |
*/ |
|
939 |
__STATIC_INLINE uint32_t LL_USART_GetClockPhase(USART_TypeDef *USARTx) |
|
940 |
{ |
|
941 |
return (uint32_t)(READ_BIT(USARTx->CR2, USART_CR2_CPHA)); |
|
942 |
} |
|
943 |
|
|
944 |
/** |
|
945 |
* @brief Select the polarity of the clock output on the SCLK pin in synchronous mode |
|
946 |
* @note Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not |
|
947 |
* Synchronous mode is supported by the USARTx instance. |
|
948 |
* @rmtoll CR2 CPOL LL_USART_SetClockPolarity |
|
949 |
* @param USARTx USART Instance |
|
950 |
* @param ClockPolarity This parameter can be one of the following values: |
|
951 |
* @arg @ref LL_USART_POLARITY_LOW |
|
952 |
* @arg @ref LL_USART_POLARITY_HIGH |
|
953 |
* @retval None |
|
954 |
*/ |
|
955 |
__STATIC_INLINE void LL_USART_SetClockPolarity(USART_TypeDef *USARTx, uint32_t ClockPolarity) |
|
956 |
{ |
|
957 |
MODIFY_REG(USARTx->CR2, USART_CR2_CPOL, ClockPolarity); |
|
958 |
} |
|
959 |
|
|
960 |
/** |
|
961 |
* @brief Return polarity of the clock output on the SCLK pin in synchronous mode |
|
962 |
* @note Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not |
|
963 |
* Synchronous mode is supported by the USARTx instance. |
|
964 |
* @rmtoll CR2 CPOL LL_USART_GetClockPolarity |
|
965 |
* @param USARTx USART Instance |
|
966 |
* @retval Returned value can be one of the following values: |
|
967 |
* @arg @ref LL_USART_POLARITY_LOW |
|
968 |
* @arg @ref LL_USART_POLARITY_HIGH |
|
969 |
*/ |
|
970 |
__STATIC_INLINE uint32_t LL_USART_GetClockPolarity(USART_TypeDef *USARTx) |
|
971 |
{ |
|
972 |
return (uint32_t)(READ_BIT(USARTx->CR2, USART_CR2_CPOL)); |
|
973 |
} |
|
974 |
|
|
975 |
/** |
|
976 |
* @brief Configure Clock signal format (Phase Polarity and choice about output of last bit clock pulse) |
|
977 |
* @note Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not |
|
978 |
* Synchronous mode is supported by the USARTx instance. |
|
979 |
* @note Call of this function is equivalent to following function call sequence : |
|
980 |
* - Clock Phase configuration using @ref LL_USART_SetClockPhase() function |
|
981 |
* - Clock Polarity configuration using @ref LL_USART_SetClockPolarity() function |
|
982 |
* - Output of Last bit Clock pulse configuration using @ref LL_USART_SetLastClkPulseOutput() function |
|
983 |
* @rmtoll CR2 CPHA LL_USART_ConfigClock\n |
|
984 |
* CR2 CPOL LL_USART_ConfigClock\n |
|
985 |
* CR2 LBCL LL_USART_ConfigClock |
|
986 |
* @param USARTx USART Instance |
|
987 |
* @param Phase This parameter can be one of the following values: |
|
988 |
* @arg @ref LL_USART_PHASE_1EDGE |
|
989 |
* @arg @ref LL_USART_PHASE_2EDGE |
|
990 |
* @param Polarity This parameter can be one of the following values: |
|
991 |
* @arg @ref LL_USART_POLARITY_LOW |
|
992 |
* @arg @ref LL_USART_POLARITY_HIGH |
|
993 |
* @param LBCPOutput This parameter can be one of the following values: |
|
994 |
* @arg @ref LL_USART_LASTCLKPULSE_NO_OUTPUT |
|
995 |
* @arg @ref LL_USART_LASTCLKPULSE_OUTPUT |
|
996 |
* @retval None |
|
997 |
*/ |
|
998 |
__STATIC_INLINE void LL_USART_ConfigClock(USART_TypeDef *USARTx, uint32_t Phase, uint32_t Polarity, uint32_t LBCPOutput) |
|
999 |
{ |
|
1000 |
MODIFY_REG(USARTx->CR2, USART_CR2_CPHA | USART_CR2_CPOL | USART_CR2_LBCL, Phase | Polarity | LBCPOutput); |
|
1001 |
} |
|
1002 |
|
|
1003 |
/** |
|
1004 |
* @brief Enable Clock output on SCLK pin |
|
1005 |
* @note Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not |
|
1006 |
* Synchronous mode is supported by the USARTx instance. |
|
1007 |
* @rmtoll CR2 CLKEN LL_USART_EnableSCLKOutput |
|
1008 |
* @param USARTx USART Instance |
|
1009 |
* @retval None |
|
1010 |
*/ |
|
1011 |
__STATIC_INLINE void LL_USART_EnableSCLKOutput(USART_TypeDef *USARTx) |
|
1012 |
{ |
|
1013 |
SET_BIT(USARTx->CR2, USART_CR2_CLKEN); |
|
1014 |
} |
|
1015 |
|
|
1016 |
/** |
|
1017 |
* @brief Disable Clock output on SCLK pin |
|
1018 |
* @note Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not |
|
1019 |
* Synchronous mode is supported by the USARTx instance. |
|
1020 |
* @rmtoll CR2 CLKEN LL_USART_DisableSCLKOutput |
|
1021 |
* @param USARTx USART Instance |
|
1022 |
* @retval None |
|
1023 |
*/ |
|
1024 |
__STATIC_INLINE void LL_USART_DisableSCLKOutput(USART_TypeDef *USARTx) |
|
1025 |
{ |
|
1026 |
CLEAR_BIT(USARTx->CR2, USART_CR2_CLKEN); |
|
1027 |
} |
|
1028 |
|
|
1029 |
/** |
|
1030 |
* @brief Indicate if Clock output on SCLK pin is enabled |
|
1031 |
* @note Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not |
|
1032 |
* Synchronous mode is supported by the USARTx instance. |
|
1033 |
* @rmtoll CR2 CLKEN LL_USART_IsEnabledSCLKOutput |
|
1034 |
* @param USARTx USART Instance |
|
1035 |
* @retval State of bit (1 or 0). |
|
1036 |
*/ |
|
1037 |
__STATIC_INLINE uint32_t LL_USART_IsEnabledSCLKOutput(USART_TypeDef *USARTx) |
|
1038 |
{ |
|
1039 |
return (READ_BIT(USARTx->CR2, USART_CR2_CLKEN) == (USART_CR2_CLKEN)); |
|
1040 |
} |
|
1041 |
|
|
1042 |
/** |
|
1043 |
* @brief Set the length of the stop bits |
|
1044 |
* @rmtoll CR2 STOP LL_USART_SetStopBitsLength |
|
1045 |
* @param USARTx USART Instance |
|
1046 |
* @param StopBits This parameter can be one of the following values: |
|
1047 |
* @arg @ref LL_USART_STOPBITS_0_5 (*) |
|
1048 |
* @arg @ref LL_USART_STOPBITS_1 |
|
1049 |
* @arg @ref LL_USART_STOPBITS_1_5 (*) |
|
1050 |
* @arg @ref LL_USART_STOPBITS_2 |
|
1051 |
* |
|
1052 |
* (*) Values not available on all devices |
|
1053 |
* @retval None |
|
1054 |
*/ |
|
1055 |
__STATIC_INLINE void LL_USART_SetStopBitsLength(USART_TypeDef *USARTx, uint32_t StopBits) |
|
1056 |
{ |
|
1057 |
MODIFY_REG(USARTx->CR2, USART_CR2_STOP, StopBits); |
|
1058 |
} |
|
1059 |
|
|
1060 |
/** |
|
1061 |
* @brief Retrieve the length of the stop bits |
|
1062 |
* @rmtoll CR2 STOP LL_USART_GetStopBitsLength |
|
1063 |
* @param USARTx USART Instance |
|
1064 |
* @retval Returned value can be one of the following values: |
|
1065 |
* @arg @ref LL_USART_STOPBITS_0_5 (*) |
|
1066 |
* @arg @ref LL_USART_STOPBITS_1 |
|
1067 |
* @arg @ref LL_USART_STOPBITS_1_5 (*) |
|
1068 |
* @arg @ref LL_USART_STOPBITS_2 |
|
1069 |
* |
|
1070 |
* (*) Values not available on all devices |
|
1071 |
*/ |
|
1072 |
__STATIC_INLINE uint32_t LL_USART_GetStopBitsLength(USART_TypeDef *USARTx) |
|
1073 |
{ |
|
1074 |
return (uint32_t)(READ_BIT(USARTx->CR2, USART_CR2_STOP)); |
|
1075 |
} |
|
1076 |
|
|
1077 |
/** |
|
1078 |
* @brief Configure Character frame format (Datawidth, Parity control, Stop Bits) |
|
1079 |
* @note Call of this function is equivalent to following function call sequence : |
|
1080 |
* - Data Width configuration using @ref LL_USART_SetDataWidth() function |
|
1081 |
* - Parity Control and mode configuration using @ref LL_USART_SetParity() function |
|
1082 |
* - Stop bits configuration using @ref LL_USART_SetStopBitsLength() function |
|
1083 |
* @rmtoll CR1 PS LL_USART_ConfigCharacter\n |
|
1084 |
* CR1 PCE LL_USART_ConfigCharacter\n |
|
1085 |
* CR1 M0 LL_USART_ConfigCharacter\n |
|
1086 |
* CR1 M1 LL_USART_ConfigCharacter\n |
|
1087 |
* CR2 STOP LL_USART_ConfigCharacter |
|
1088 |
* @param USARTx USART Instance |
|
1089 |
* @param DataWidth This parameter can be one of the following values: |
|
1090 |
* @arg @ref LL_USART_DATAWIDTH_7B (*) |
|
1091 |
* @arg @ref LL_USART_DATAWIDTH_8B |
|
1092 |
* @arg @ref LL_USART_DATAWIDTH_9B |
|
1093 |
* @param Parity This parameter can be one of the following values: |
|
1094 |
* @arg @ref LL_USART_PARITY_NONE |
|
1095 |
* @arg @ref LL_USART_PARITY_EVEN |
|
1096 |
* @arg @ref LL_USART_PARITY_ODD |
|
1097 |
* @param StopBits This parameter can be one of the following values: |
|
1098 |
* @arg @ref LL_USART_STOPBITS_0_5 (*) |
|
1099 |
* @arg @ref LL_USART_STOPBITS_1 |
|
1100 |
* @arg @ref LL_USART_STOPBITS_1_5 (*) |
|
1101 |
* @arg @ref LL_USART_STOPBITS_2 |
|
1102 |
* |
|
1103 |
* (*) Values not available on all devices |
|
1104 |
* @retval None |
|
1105 |
*/ |
|
1106 |
__STATIC_INLINE void LL_USART_ConfigCharacter(USART_TypeDef *USARTx, uint32_t DataWidth, uint32_t Parity, |
|
1107 |
uint32_t StopBits) |
|
1108 |
{ |
|
1109 |
MODIFY_REG(USARTx->CR1, USART_CR1_PS | USART_CR1_PCE | USART_CR1_M, Parity | DataWidth); |
|
1110 |
MODIFY_REG(USARTx->CR2, USART_CR2_STOP, StopBits); |
|
1111 |
} |
|
1112 |
|
|
1113 |
/** |
|
1114 |
* @brief Configure TX/RX pins swapping setting. |
|
1115 |
* @rmtoll CR2 SWAP LL_USART_SetTXRXSwap |
|
1116 |
* @param USARTx USART Instance |
|
1117 |
* @param SwapConfig This parameter can be one of the following values: |
|
1118 |
* @arg @ref LL_USART_TXRX_STANDARD |
|
1119 |
* @arg @ref LL_USART_TXRX_SWAPPED |
|
1120 |
* @retval None |
|
1121 |
*/ |
|
1122 |
__STATIC_INLINE void LL_USART_SetTXRXSwap(USART_TypeDef *USARTx, uint32_t SwapConfig) |
|
1123 |
{ |
|
1124 |
MODIFY_REG(USARTx->CR2, USART_CR2_SWAP, SwapConfig); |
|
1125 |
} |
|
1126 |
|
|
1127 |
/** |
|
1128 |
* @brief Retrieve TX/RX pins swapping configuration. |
|
1129 |
* @rmtoll CR2 SWAP LL_USART_GetTXRXSwap |
|
1130 |
* @param USARTx USART Instance |
|
1131 |
* @retval Returned value can be one of the following values: |
|
1132 |
* @arg @ref LL_USART_TXRX_STANDARD |
|
1133 |
* @arg @ref LL_USART_TXRX_SWAPPED |
|
1134 |
*/ |
|
1135 |
__STATIC_INLINE uint32_t LL_USART_GetTXRXSwap(USART_TypeDef *USARTx) |
|
1136 |
{ |
|
1137 |
return (uint32_t)(READ_BIT(USARTx->CR2, USART_CR2_SWAP)); |
|
1138 |
} |
|
1139 |
|
|
1140 |
/** |
|
1141 |
* @brief Configure RX pin active level logic |
|
1142 |
* @rmtoll CR2 RXINV LL_USART_SetRXPinLevel |
|
1143 |
* @param USARTx USART Instance |
|
1144 |
* @param PinInvMethod This parameter can be one of the following values: |
|
1145 |
* @arg @ref LL_USART_RXPIN_LEVEL_STANDARD |
|
1146 |
* @arg @ref LL_USART_RXPIN_LEVEL_INVERTED |
|
1147 |
* @retval None |
|
1148 |
*/ |
|
1149 |
__STATIC_INLINE void LL_USART_SetRXPinLevel(USART_TypeDef *USARTx, uint32_t PinInvMethod) |
|
1150 |
{ |
|
1151 |
MODIFY_REG(USARTx->CR2, USART_CR2_RXINV, PinInvMethod); |
|
1152 |
} |
|
1153 |
|
|
1154 |
/** |
|
1155 |
* @brief Retrieve RX pin active level logic configuration |
|
1156 |
* @rmtoll CR2 RXINV LL_USART_GetRXPinLevel |
|
1157 |
* @param USARTx USART Instance |
|
1158 |
* @retval Returned value can be one of the following values: |
|
1159 |
* @arg @ref LL_USART_RXPIN_LEVEL_STANDARD |
|
1160 |
* @arg @ref LL_USART_RXPIN_LEVEL_INVERTED |
|
1161 |
*/ |
|
1162 |
__STATIC_INLINE uint32_t LL_USART_GetRXPinLevel(USART_TypeDef *USARTx) |
|
1163 |
{ |
|
1164 |
return (uint32_t)(READ_BIT(USARTx->CR2, USART_CR2_RXINV)); |
|
1165 |
} |
|
1166 |
|
|
1167 |
/** |
|
1168 |
* @brief Configure TX pin active level logic |
|
1169 |
* @rmtoll CR2 TXINV LL_USART_SetTXPinLevel |
|
1170 |
* @param USARTx USART Instance |
|
1171 |
* @param PinInvMethod This parameter can be one of the following values: |
|
1172 |
* @arg @ref LL_USART_TXPIN_LEVEL_STANDARD |
|
1173 |
* @arg @ref LL_USART_TXPIN_LEVEL_INVERTED |
|
1174 |
* @retval None |
|
1175 |
*/ |
|
1176 |
__STATIC_INLINE void LL_USART_SetTXPinLevel(USART_TypeDef *USARTx, uint32_t PinInvMethod) |
|
1177 |
{ |
|
1178 |
MODIFY_REG(USARTx->CR2, USART_CR2_TXINV, PinInvMethod); |
|
1179 |
} |
|
1180 |
|
|
1181 |
/** |
|
1182 |
* @brief Retrieve TX pin active level logic configuration |
|
1183 |
* @rmtoll CR2 TXINV LL_USART_GetTXPinLevel |
|
1184 |
* @param USARTx USART Instance |
|
1185 |
* @retval Returned value can be one of the following values: |
|
1186 |
* @arg @ref LL_USART_TXPIN_LEVEL_STANDARD |
|
1187 |
* @arg @ref LL_USART_TXPIN_LEVEL_INVERTED |
|
1188 |
*/ |
|
1189 |
__STATIC_INLINE uint32_t LL_USART_GetTXPinLevel(USART_TypeDef *USARTx) |
|
1190 |
{ |
|
1191 |
return (uint32_t)(READ_BIT(USARTx->CR2, USART_CR2_TXINV)); |
|
1192 |
} |
|
1193 |
|
|
1194 |
/** |
|
1195 |
* @brief Configure Binary data logic. |
|
1196 |
* @note Allow to define how Logical data from the data register are send/received : |
|
1197 |
* either in positive/direct logic (1=H, 0=L) or in negative/inverse logic (1=L, 0=H) |
|
1198 |
* @rmtoll CR2 DATAINV LL_USART_SetBinaryDataLogic |
|
1199 |
* @param USARTx USART Instance |
|
1200 |
* @param DataLogic This parameter can be one of the following values: |
|
1201 |
* @arg @ref LL_USART_BINARY_LOGIC_POSITIVE |
|
1202 |
* @arg @ref LL_USART_BINARY_LOGIC_NEGATIVE |
|
1203 |
* @retval None |
|
1204 |
*/ |
|
1205 |
__STATIC_INLINE void LL_USART_SetBinaryDataLogic(USART_TypeDef *USARTx, uint32_t DataLogic) |
|
1206 |
{ |
|
1207 |
MODIFY_REG(USARTx->CR2, USART_CR2_DATAINV, DataLogic); |
|
1208 |
} |
|
1209 |
|
|
1210 |
/** |
|
1211 |
* @brief Retrieve Binary data configuration |
|
1212 |
* @rmtoll CR2 DATAINV LL_USART_GetBinaryDataLogic |
|
1213 |
* @param USARTx USART Instance |
|
1214 |
* @retval Returned value can be one of the following values: |
|
1215 |
* @arg @ref LL_USART_BINARY_LOGIC_POSITIVE |
|
1216 |
* @arg @ref LL_USART_BINARY_LOGIC_NEGATIVE |
|
1217 |
*/ |
|
1218 |
__STATIC_INLINE uint32_t LL_USART_GetBinaryDataLogic(USART_TypeDef *USARTx) |
|
1219 |
{ |
|
1220 |
return (uint32_t)(READ_BIT(USARTx->CR2, USART_CR2_DATAINV)); |
|
1221 |
} |
|
1222 |
|
|
1223 |
/** |
|
1224 |
* @brief Configure transfer bit order (either Less or Most Significant Bit First) |
|
1225 |
* @note MSB First means data is transmitted/received with the MSB first, following the start bit. |
|
1226 |
* LSB First means data is transmitted/received with data bit 0 first, following the start bit. |
|
1227 |
* @rmtoll CR2 MSBFIRST LL_USART_SetTransferBitOrder |
|
1228 |
* @param USARTx USART Instance |
|
1229 |
* @param BitOrder This parameter can be one of the following values: |
|
1230 |
* @arg @ref LL_USART_BITORDER_LSBFIRST |
|
1231 |
* @arg @ref LL_USART_BITORDER_MSBFIRST |
|
1232 |
* @retval None |
|
1233 |
*/ |
|
1234 |
__STATIC_INLINE void LL_USART_SetTransferBitOrder(USART_TypeDef *USARTx, uint32_t BitOrder) |
|
1235 |
{ |
|
1236 |
MODIFY_REG(USARTx->CR2, USART_CR2_MSBFIRST, BitOrder); |
|
1237 |
} |
|
1238 |
|
|
1239 |
/** |
|
1240 |
* @brief Return transfer bit order (either Less or Most Significant Bit First) |
|
1241 |
* @note MSB First means data is transmitted/received with the MSB first, following the start bit. |
|
1242 |
* LSB First means data is transmitted/received with data bit 0 first, following the start bit. |
|
1243 |
* @rmtoll CR2 MSBFIRST LL_USART_GetTransferBitOrder |
|
1244 |
* @param USARTx USART Instance |
|
1245 |
* @retval Returned value can be one of the following values: |
|
1246 |
* @arg @ref LL_USART_BITORDER_LSBFIRST |
|
1247 |
* @arg @ref LL_USART_BITORDER_MSBFIRST |
|
1248 |
*/ |
|
1249 |
__STATIC_INLINE uint32_t LL_USART_GetTransferBitOrder(USART_TypeDef *USARTx) |
|
1250 |
{ |
|
1251 |
return (uint32_t)(READ_BIT(USARTx->CR2, USART_CR2_MSBFIRST)); |
|
1252 |
} |
|
1253 |
|
|
1254 |
/** |
|
1255 |
* @brief Enable Auto Baud-Rate Detection |
|
1256 |
* @note Macro @ref IS_USART_AUTOBAUDRATE_DETECTION_INSTANCE(USARTx) can be used to check whether or not |
|
1257 |
* Auto Baud Rate detection feature is supported by the USARTx instance. |
|
1258 |
* @rmtoll CR2 ABREN LL_USART_EnableAutoBaudRate |
|
1259 |
* @param USARTx USART Instance |
|
1260 |
* @retval None |
|
1261 |
*/ |
|
1262 |
__STATIC_INLINE void LL_USART_EnableAutoBaudRate(USART_TypeDef *USARTx) |
|
1263 |
{ |
|
1264 |
SET_BIT(USARTx->CR2, USART_CR2_ABREN); |
|
1265 |
} |
|
1266 |
|
|
1267 |
/** |
|
1268 |
* @brief Disable Auto Baud-Rate Detection |
|
1269 |
* @note Macro @ref IS_USART_AUTOBAUDRATE_DETECTION_INSTANCE(USARTx) can be used to check whether or not |
|
1270 |
* Auto Baud Rate detection feature is supported by the USARTx instance. |
|
1271 |
* @rmtoll CR2 ABREN LL_USART_DisableAutoBaudRate |
|
1272 |
* @param USARTx USART Instance |
|
1273 |
* @retval None |
|
1274 |
*/ |
|
1275 |
__STATIC_INLINE void LL_USART_DisableAutoBaudRate(USART_TypeDef *USARTx) |
|
1276 |
{ |
|
1277 |
CLEAR_BIT(USARTx->CR2, USART_CR2_ABREN); |
|
1278 |
} |
|
1279 |
|
|
1280 |
/** |
|
1281 |
* @brief Indicate if Auto Baud-Rate Detection mechanism is enabled |
|
1282 |
* @note Macro @ref IS_USART_AUTOBAUDRATE_DETECTION_INSTANCE(USARTx) can be used to check whether or not |
|
1283 |
* Auto Baud Rate detection feature is supported by the USARTx instance. |
|
1284 |
* @rmtoll CR2 ABREN LL_USART_IsEnabledAutoBaud |
|
1285 |
* @param USARTx USART Instance |
|
1286 |
* @retval State of bit (1 or 0). |
|
1287 |
*/ |
|
1288 |
__STATIC_INLINE uint32_t LL_USART_IsEnabledAutoBaud(USART_TypeDef *USARTx) |
|
1289 |
{ |
|
1290 |
return (READ_BIT(USARTx->CR2, USART_CR2_ABREN) == (USART_CR2_ABREN)); |
|
1291 |
} |
|
1292 |
|
|
1293 |
/** |
|
1294 |
* @brief Set Auto Baud-Rate mode bits |
|
1295 |
* @note Macro @ref IS_USART_AUTOBAUDRATE_DETECTION_INSTANCE(USARTx) can be used to check whether or not |
|
1296 |
* Auto Baud Rate detection feature is supported by the USARTx instance. |
|
1297 |
* @rmtoll CR2 ABRMODE LL_USART_SetAutoBaudRateMode |
|
1298 |
* @param USARTx USART Instance |
|
1299 |
* @param AutoBaudRateMode This parameter can be one of the following values: |
|
1300 |
* @arg @ref LL_USART_AUTOBAUD_DETECT_ON_STARTBIT |
|
1301 |
* @arg @ref LL_USART_AUTOBAUD_DETECT_ON_FALLINGEDGE |
|
1302 |
* @arg @ref LL_USART_AUTOBAUD_DETECT_ON_7F_FRAME (*) |
|
1303 |
* @arg @ref LL_USART_AUTOBAUD_DETECT_ON_55_FRAME (*) |
|
1304 |
* |
|
1305 |
* (*) Values not available on all devices |
|
1306 |
* @retval None |
|
1307 |
*/ |
|
1308 |
__STATIC_INLINE void LL_USART_SetAutoBaudRateMode(USART_TypeDef *USARTx, uint32_t AutoBaudRateMode) |
|
1309 |
{ |
|
1310 |
MODIFY_REG(USARTx->CR2, USART_CR2_ABRMODE, AutoBaudRateMode); |
|
1311 |
} |
|
1312 |
|
|
1313 |
/** |
|
1314 |
* @brief Return Auto Baud-Rate mode |
|
1315 |
* @note Macro @ref IS_USART_AUTOBAUDRATE_DETECTION_INSTANCE(USARTx) can be used to check whether or not |
|
1316 |
* Auto Baud Rate detection feature is supported by the USARTx instance. |
|
1317 |
* @rmtoll CR2 ABRMODE LL_USART_GetAutoBaudRateMode |
|
1318 |
* @param USARTx USART Instance |
|
1319 |
* @retval Returned value can be one of the following values: |
|
1320 |
* @arg @ref LL_USART_AUTOBAUD_DETECT_ON_STARTBIT |
|
1321 |
* @arg @ref LL_USART_AUTOBAUD_DETECT_ON_FALLINGEDGE |
|
1322 |
* @arg @ref LL_USART_AUTOBAUD_DETECT_ON_7F_FRAME (*) |
|
1323 |
* @arg @ref LL_USART_AUTOBAUD_DETECT_ON_55_FRAME (*) |
|
1324 |
* |
|
1325 |
* (*) Values not available on all devices |
|
1326 |
*/ |
|
1327 |
__STATIC_INLINE uint32_t LL_USART_GetAutoBaudRateMode(USART_TypeDef *USARTx) |
|
1328 |
{ |
|
1329 |
return (uint32_t)(READ_BIT(USARTx->CR2, USART_CR2_ABRMODE)); |
|
1330 |
} |
|
1331 |
|
|
1332 |
/** |
|
1333 |
* @brief Enable Receiver Timeout |
|
1334 |
* @rmtoll CR2 RTOEN LL_USART_EnableRxTimeout |
|
1335 |
* @param USARTx USART Instance |
|
1336 |
* @retval None |
|
1337 |
*/ |
|
1338 |
__STATIC_INLINE void LL_USART_EnableRxTimeout(USART_TypeDef *USARTx) |
|
1339 |
{ |
|
1340 |
SET_BIT(USARTx->CR2, USART_CR2_RTOEN); |
|
1341 |
} |
|
1342 |
|
|
1343 |
/** |
|
1344 |
* @brief Disable Receiver Timeout |
|
1345 |
* @rmtoll CR2 RTOEN LL_USART_DisableRxTimeout |
|
1346 |
* @param USARTx USART Instance |
|
1347 |
* @retval None |
|
1348 |
*/ |
|
1349 |
__STATIC_INLINE void LL_USART_DisableRxTimeout(USART_TypeDef *USARTx) |
|
1350 |
{ |
|
1351 |
CLEAR_BIT(USARTx->CR2, USART_CR2_RTOEN); |
|
1352 |
} |
|
1353 |
|
|
1354 |
/** |
|
1355 |
* @brief Indicate if Receiver Timeout feature is enabled |
|
1356 |
* @rmtoll CR2 RTOEN LL_USART_IsEnabledRxTimeout |
|
1357 |
* @param USARTx USART Instance |
|
1358 |
* @retval State of bit (1 or 0). |
|
1359 |
*/ |
|
1360 |
__STATIC_INLINE uint32_t LL_USART_IsEnabledRxTimeout(USART_TypeDef *USARTx) |
|
1361 |
{ |
|
1362 |
return (READ_BIT(USARTx->CR2, USART_CR2_RTOEN) == (USART_CR2_RTOEN)); |
|
1363 |
} |
|
1364 |
|
|
1365 |
/** |
|
1366 |
* @brief Set Address of the USART node. |
|
1367 |
* @note This is used in multiprocessor communication during Mute mode or Stop mode, |
|
1368 |
* for wake up with address mark detection. |
|
1369 |
* @note 4bits address node is used when 4-bit Address Detection is selected in ADDM7. |
|
1370 |
* (b7-b4 should be set to 0) |
|
1371 |
* 8bits address node is used when 7-bit Address Detection is selected in ADDM7. |
|
1372 |
* (This is used in multiprocessor communication during Mute mode or Stop mode, |
|
1373 |
* for wake up with 7-bit address mark detection. |
|
1374 |
* The MSB of the character sent by the transmitter should be equal to 1. |
|
1375 |
* It may also be used for character detection during normal reception, |
|
1376 |
* Mute mode inactive (for example, end of block detection in ModBus protocol). |
|
1377 |
* In this case, the whole received character (8-bit) is compared to the ADD[7:0] |
|
1378 |
* value and CMF flag is set on match) |
|
1379 |
* @rmtoll CR2 ADD LL_USART_ConfigNodeAddress\n |
|
1380 |
* CR2 ADDM7 LL_USART_ConfigNodeAddress |
|
1381 |
* @param USARTx USART Instance |
|
1382 |
* @param AddressLen This parameter can be one of the following values: |
|
1383 |
* @arg @ref LL_USART_ADDRESS_DETECT_4B |
|
1384 |
* @arg @ref LL_USART_ADDRESS_DETECT_7B |
|
1385 |
* @param NodeAddress 4 or 7 bit Address of the USART node. |
|
1386 |
* @retval None |
|
1387 |
*/ |
|
1388 |
__STATIC_INLINE void LL_USART_ConfigNodeAddress(USART_TypeDef *USARTx, uint32_t AddressLen, uint32_t NodeAddress) |
|
1389 |
{ |
|
1390 |
MODIFY_REG(USARTx->CR2, USART_CR2_ADD | USART_CR2_ADDM7, |
|
1391 |
(uint32_t)(AddressLen | (NodeAddress << USART_CR2_ADD_Pos))); |
|
1392 |
} |
|
1393 |
|
|
1394 |
/** |
|
1395 |
* @brief Return 8 bit Address of the USART node as set in ADD field of CR2. |
|
1396 |
* @note If 4-bit Address Detection is selected in ADDM7, |
|
1397 |
* only 4bits (b3-b0) of returned value are relevant (b31-b4 are not relevant) |
|
1398 |
* If 7-bit Address Detection is selected in ADDM7, |
|
1399 |
* only 8bits (b7-b0) of returned value are relevant (b31-b8 are not relevant) |
|
1400 |
* @rmtoll CR2 ADD LL_USART_GetNodeAddress |
|
1401 |
* @param USARTx USART Instance |
|
1402 |
* @retval Address of the USART node (Value between Min_Data=0 and Max_Data=255) |
|
1403 |
*/ |
|
1404 |
__STATIC_INLINE uint32_t LL_USART_GetNodeAddress(USART_TypeDef *USARTx) |
|
1405 |
{ |
|
1406 |
return (uint32_t)(READ_BIT(USARTx->CR2, USART_CR2_ADD) >> USART_CR2_ADD_Pos); |
|
1407 |
} |
|
1408 |
|
|
1409 |
/** |
|
1410 |
* @brief Return Length of Node Address used in Address Detection mode (7-bit or 4-bit) |
|
1411 |
* @rmtoll CR2 ADDM7 LL_USART_GetNodeAddressLen |
|
1412 |
* @param USARTx USART Instance |
|
1413 |
* @retval Returned value can be one of the following values: |
|
1414 |
* @arg @ref LL_USART_ADDRESS_DETECT_4B |
|
1415 |
* @arg @ref LL_USART_ADDRESS_DETECT_7B |
|
1416 |
*/ |
|
1417 |
__STATIC_INLINE uint32_t LL_USART_GetNodeAddressLen(USART_TypeDef *USARTx) |
|
1418 |
{ |
|
1419 |
return (uint32_t)(READ_BIT(USARTx->CR2, USART_CR2_ADDM7)); |
|
1420 |
} |
|
1421 |
|
|
1422 |
/** |
|
1423 |
* @brief Enable RTS HW Flow Control |
|
1424 |
* @note Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not |
|
1425 |
* Hardware Flow control feature is supported by the USARTx instance. |
|
1426 |
* @rmtoll CR3 RTSE LL_USART_EnableRTSHWFlowCtrl |
|
1427 |
* @param USARTx USART Instance |
|
1428 |
* @retval None |
|
1429 |
*/ |
|
1430 |
__STATIC_INLINE void LL_USART_EnableRTSHWFlowCtrl(USART_TypeDef *USARTx) |
|
1431 |
{ |
|
1432 |
SET_BIT(USARTx->CR3, USART_CR3_RTSE); |
|
1433 |
} |
|
1434 |
|
|
1435 |
/** |
|
1436 |
* @brief Disable RTS HW Flow Control |
|
1437 |
* @note Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not |
|
1438 |
* Hardware Flow control feature is supported by the USARTx instance. |
|
1439 |
* @rmtoll CR3 RTSE LL_USART_DisableRTSHWFlowCtrl |
|
1440 |
* @param USARTx USART Instance |
|
1441 |
* @retval None |
|
1442 |
*/ |
|
1443 |
__STATIC_INLINE void LL_USART_DisableRTSHWFlowCtrl(USART_TypeDef *USARTx) |
|
1444 |
{ |
|
1445 |
CLEAR_BIT(USARTx->CR3, USART_CR3_RTSE); |
|
1446 |
} |
|
1447 |
|
|
1448 |
/** |
|
1449 |
* @brief Enable CTS HW Flow Control |
|
1450 |
* @note Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not |
|
1451 |
* Hardware Flow control feature is supported by the USARTx instance. |
|
1452 |
* @rmtoll CR3 CTSE LL_USART_EnableCTSHWFlowCtrl |
|
1453 |
* @param USARTx USART Instance |
|
1454 |
* @retval None |
|
1455 |
*/ |
|
1456 |
__STATIC_INLINE void LL_USART_EnableCTSHWFlowCtrl(USART_TypeDef *USARTx) |
|
1457 |
{ |
|
1458 |
SET_BIT(USARTx->CR3, USART_CR3_CTSE); |
|
1459 |
} |
|
1460 |
|
|
1461 |
/** |
|
1462 |
* @brief Disable CTS HW Flow Control |
|
1463 |
* @note Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not |
|
1464 |
* Hardware Flow control feature is supported by the USARTx instance. |
|
1465 |
* @rmtoll CR3 CTSE LL_USART_DisableCTSHWFlowCtrl |
|
1466 |
* @param USARTx USART Instance |
|
1467 |
* @retval None |
|
1468 |
*/ |
|
1469 |
__STATIC_INLINE void LL_USART_DisableCTSHWFlowCtrl(USART_TypeDef *USARTx) |
|
1470 |
{ |
|
1471 |
CLEAR_BIT(USARTx->CR3, USART_CR3_CTSE); |
|
1472 |
} |
|
1473 |
|
|
1474 |
/** |
|
1475 |
* @brief Configure HW Flow Control mode (both CTS and RTS) |
|
1476 |
* @note Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not |
|
1477 |
* Hardware Flow control feature is supported by the USARTx instance. |
|
1478 |
* @rmtoll CR3 RTSE LL_USART_SetHWFlowCtrl\n |
|
1479 |
* CR3 CTSE LL_USART_SetHWFlowCtrl |
|
1480 |
* @param USARTx USART Instance |
|
1481 |
* @param HardwareFlowControl This parameter can be one of the following values: |
|
1482 |
* @arg @ref LL_USART_HWCONTROL_NONE |
|
1483 |
* @arg @ref LL_USART_HWCONTROL_RTS |
|
1484 |
* @arg @ref LL_USART_HWCONTROL_CTS |
|
1485 |
* @arg @ref LL_USART_HWCONTROL_RTS_CTS |
|
1486 |
* @retval None |
|
1487 |
*/ |
|
1488 |
__STATIC_INLINE void LL_USART_SetHWFlowCtrl(USART_TypeDef *USARTx, uint32_t HardwareFlowControl) |
|
1489 |
{ |
|
1490 |
MODIFY_REG(USARTx->CR3, USART_CR3_RTSE | USART_CR3_CTSE, HardwareFlowControl); |
|
1491 |
} |
|
1492 |
|
|
1493 |
/** |
|
1494 |
* @brief Return HW Flow Control configuration (both CTS and RTS) |
|
1495 |
* @note Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not |
|
1496 |
* Hardware Flow control feature is supported by the USARTx instance. |
|
1497 |
* @rmtoll CR3 RTSE LL_USART_GetHWFlowCtrl\n |
|
1498 |
* CR3 CTSE LL_USART_GetHWFlowCtrl |
|
1499 |
* @param USARTx USART Instance |
|
1500 |
* @retval Returned value can be one of the following values: |
|
1501 |
* @arg @ref LL_USART_HWCONTROL_NONE |
|
1502 |
* @arg @ref LL_USART_HWCONTROL_RTS |
|
1503 |
* @arg @ref LL_USART_HWCONTROL_CTS |
|
1504 |
* @arg @ref LL_USART_HWCONTROL_RTS_CTS |
|
1505 |
*/ |
|
1506 |
__STATIC_INLINE uint32_t LL_USART_GetHWFlowCtrl(USART_TypeDef *USARTx) |
|
1507 |
{ |
|
1508 |
return (uint32_t)(READ_BIT(USARTx->CR3, USART_CR3_RTSE | USART_CR3_CTSE)); |
|
1509 |
} |
|
1510 |
|
|
1511 |
/** |
|
1512 |
* @brief Enable One bit sampling method |
|
1513 |
* @rmtoll CR3 ONEBIT LL_USART_EnableOneBitSamp |
|
1514 |
* @param USARTx USART Instance |
|
1515 |
* @retval None |
|
1516 |
*/ |
|
1517 |
__STATIC_INLINE void LL_USART_EnableOneBitSamp(USART_TypeDef *USARTx) |
|
1518 |
{ |
|
1519 |
SET_BIT(USARTx->CR3, USART_CR3_ONEBIT); |
|
1520 |
} |
|
1521 |
|
|
1522 |
/** |
|
1523 |
* @brief Disable One bit sampling method |
|
1524 |
* @rmtoll CR3 ONEBIT LL_USART_DisableOneBitSamp |
|
1525 |
* @param USARTx USART Instance |
|
1526 |
* @retval None |
|
1527 |
*/ |
|
1528 |
__STATIC_INLINE void LL_USART_DisableOneBitSamp(USART_TypeDef *USARTx) |
|
1529 |
{ |
|
1530 |
CLEAR_BIT(USARTx->CR3, USART_CR3_ONEBIT); |
|
1531 |
} |
|
1532 |
|
|
1533 |
/** |
|
1534 |
* @brief Indicate if One bit sampling method is enabled |
|
1535 |
* @rmtoll CR3 ONEBIT LL_USART_IsEnabledOneBitSamp |
|
1536 |
* @param USARTx USART Instance |
|
1537 |
* @retval State of bit (1 or 0). |
|
1538 |
*/ |
|
1539 |
__STATIC_INLINE uint32_t LL_USART_IsEnabledOneBitSamp(USART_TypeDef *USARTx) |
|
1540 |
{ |
|
1541 |
return (READ_BIT(USARTx->CR3, USART_CR3_ONEBIT) == (USART_CR3_ONEBIT)); |
|
1542 |
} |
|
1543 |
|
|
1544 |
/** |
|
1545 |
* @brief Enable Overrun detection |
|
1546 |
* @rmtoll CR3 OVRDIS LL_USART_EnableOverrunDetect |
|
1547 |
* @param USARTx USART Instance |
|
1548 |
* @retval None |
|
1549 |
*/ |
|
1550 |
__STATIC_INLINE void LL_USART_EnableOverrunDetect(USART_TypeDef *USARTx) |
|
1551 |
{ |
|
1552 |
CLEAR_BIT(USARTx->CR3, USART_CR3_OVRDIS); |
|
1553 |
} |
|
1554 |
|
|
1555 |
/** |
|
1556 |
* @brief Disable Overrun detection |
|
1557 |
* @rmtoll CR3 OVRDIS LL_USART_DisableOverrunDetect |
|
1558 |
* @param USARTx USART Instance |
|
1559 |
* @retval None |
|
1560 |
*/ |
|
1561 |
__STATIC_INLINE void LL_USART_DisableOverrunDetect(USART_TypeDef *USARTx) |
|
1562 |
{ |
|
1563 |
SET_BIT(USARTx->CR3, USART_CR3_OVRDIS); |
|
1564 |
} |
|
1565 |
|
|
1566 |
/** |
|
1567 |
* @brief Indicate if Overrun detection is enabled |
|
1568 |
* @rmtoll CR3 OVRDIS LL_USART_IsEnabledOverrunDetect |
|
1569 |
* @param USARTx USART Instance |
|
1570 |
* @retval State of bit (1 or 0). |
|
1571 |
*/ |
|
1572 |
__STATIC_INLINE uint32_t LL_USART_IsEnabledOverrunDetect(USART_TypeDef *USARTx) |
|
1573 |
{ |
|
1574 |
return (READ_BIT(USARTx->CR3, USART_CR3_OVRDIS) != USART_CR3_OVRDIS); |
|
1575 |
} |
|
1576 |
|
|
1577 |
#if defined(USART_WUSM_SUPPORT) |
|
1578 |
/** |
|
1579 |
* @brief Select event type for Wake UP Interrupt Flag (WUS[1:0] bits) |
|
1580 |
* @note Macro @ref IS_UART_WAKEUP_FROMSTOP_INSTANCE(USARTx) can be used to check whether or not |
|
1581 |
* Wake-up from Stop mode feature is supported by the USARTx instance. |
|
1582 |
* @rmtoll CR3 WUS LL_USART_SetWKUPType |
|
1583 |
* @param USARTx USART Instance |
|
1584 |
* @param Type This parameter can be one of the following values: |
|
1585 |
* @arg @ref LL_USART_WAKEUP_ON_ADDRESS |
|
1586 |
* @arg @ref LL_USART_WAKEUP_ON_STARTBIT |
|
1587 |
* @arg @ref LL_USART_WAKEUP_ON_RXNE |
|
1588 |
* @retval None |
|
1589 |
*/ |
|
1590 |
__STATIC_INLINE void LL_USART_SetWKUPType(USART_TypeDef *USARTx, uint32_t Type) |
|
1591 |
{ |
|
1592 |
MODIFY_REG(USARTx->CR3, USART_CR3_WUS, Type); |
|
1593 |
} |
|
1594 |
|
|
1595 |
/** |
|
1596 |
* @brief Return event type for Wake UP Interrupt Flag (WUS[1:0] bits) |
|
1597 |
* @note Macro @ref IS_UART_WAKEUP_FROMSTOP_INSTANCE(USARTx) can be used to check whether or not |
|
1598 |
* Wake-up from Stop mode feature is supported by the USARTx instance. |
|
1599 |
* @rmtoll CR3 WUS LL_USART_GetWKUPType |
|
1600 |
* @param USARTx USART Instance |
|
1601 |
* @retval Returned value can be one of the following values: |
|
1602 |
* @arg @ref LL_USART_WAKEUP_ON_ADDRESS |
|
1603 |
* @arg @ref LL_USART_WAKEUP_ON_STARTBIT |
|
1604 |
* @arg @ref LL_USART_WAKEUP_ON_RXNE |
|
1605 |
*/ |
|
1606 |
__STATIC_INLINE uint32_t LL_USART_GetWKUPType(USART_TypeDef *USARTx) |
|
1607 |
{ |
|
1608 |
return (uint32_t)(READ_BIT(USARTx->CR3, USART_CR3_WUS)); |
|
1609 |
} |
|
1610 |
#endif |
|
1611 |
|
|
1612 |
/** |
|
1613 |
* @brief Configure USART BRR register for achieving expected Baud Rate value. |
|
1614 |
* @note Compute and set USARTDIV value in BRR Register (full BRR content) |
|
1615 |
* according to used Peripheral Clock, Oversampling mode, and expected Baud Rate values |
|
1616 |
* @note Peripheral clock and Baud rate values provided as function parameters should be valid |
|
1617 |
* (Baud rate value != 0) |
|
1618 |
* @note In case of oversampling by 16 and 8, BRR content must be greater than or equal to 16d. |
|
1619 |
* @rmtoll BRR BRR LL_USART_SetBaudRate |
|
1620 |
* @param USARTx USART Instance |
|
1621 |
* @param PeriphClk Peripheral Clock |
|
1622 |
* @param OverSampling This parameter can be one of the following values: |
|
1623 |
* @arg @ref LL_USART_OVERSAMPLING_16 |
|
1624 |
* @arg @ref LL_USART_OVERSAMPLING_8 |
|
1625 |
* @param BaudRate Baud Rate |
|
1626 |
* @retval None |
|
1627 |
*/ |
|
1628 |
__STATIC_INLINE void LL_USART_SetBaudRate(USART_TypeDef *USARTx, uint32_t PeriphClk, uint32_t OverSampling, |
|
1629 |
uint32_t BaudRate) |
|
1630 |
{ |
|
1631 |
register uint32_t usartdiv = 0x0U; |
|
1632 |
register uint32_t brrtemp = 0x0U; |
|
1633 |
|
|
1634 |
if (OverSampling == LL_USART_OVERSAMPLING_8) |
|
1635 |
{ |
|
1636 |
usartdiv = (uint16_t)(__LL_USART_DIV_SAMPLING8(PeriphClk, BaudRate)); |
|
1637 |
brrtemp = usartdiv & 0xFFF0U; |
|
1638 |
brrtemp |= (uint16_t)((usartdiv & (uint16_t)0x000FU) >> 1U); |
|
1639 |
USARTx->BRR = brrtemp; |
|
1640 |
} |
|
1641 |
else |
|
1642 |
{ |
|
1643 |
USARTx->BRR = (uint16_t)(__LL_USART_DIV_SAMPLING16(PeriphClk, BaudRate)); |
|
1644 |
} |
|
1645 |
} |
|
1646 |
|
|
1647 |
/** |
|
1648 |
* @brief Return current Baud Rate value, according to USARTDIV present in BRR register |
|
1649 |
* (full BRR content), and to used Peripheral Clock and Oversampling mode values |
|
1650 |
* @note In case of non-initialized or invalid value stored in BRR register, value 0 will be returned. |
|
1651 |
* @note In case of oversampling by 16 and 8, BRR content must be greater than or equal to 16d. |
|
1652 |
* @rmtoll BRR BRR LL_USART_GetBaudRate |
|
1653 |
* @param USARTx USART Instance |
|
1654 |
* @param PeriphClk Peripheral Clock |
|
1655 |
* @param OverSampling This parameter can be one of the following values: |
|
1656 |
* @arg @ref LL_USART_OVERSAMPLING_16 |
|
1657 |
* @arg @ref LL_USART_OVERSAMPLING_8 |
|
1658 |
* @retval Baud Rate |
|
1659 |
*/ |
|
1660 |
__STATIC_INLINE uint32_t LL_USART_GetBaudRate(USART_TypeDef *USARTx, uint32_t PeriphClk, uint32_t OverSampling) |
|
1661 |
{ |
|
1662 |
register uint32_t usartdiv = 0x0U; |
|
1663 |
register uint32_t brrresult = 0x0U; |
|
1664 |
|
|
1665 |
usartdiv = USARTx->BRR; |
|
1666 |
|
|
1667 |
if (OverSampling == LL_USART_OVERSAMPLING_8) |
|
1668 |
{ |
|
1669 |
if ((usartdiv & 0xFFF7U) != 0U) |
|
1670 |
{ |
|
1671 |
usartdiv = (uint16_t)((usartdiv & 0xFFF0U) | ((usartdiv & 0x0007U) << 1U)) ; |
|
1672 |
brrresult = (PeriphClk * 2U) / usartdiv; |
|
1673 |
} |
|
1674 |
} |
|
1675 |
else |
|
1676 |
{ |
|
1677 |
if ((usartdiv & 0xFFFFU) != 0U) |
|
1678 |
{ |
|
1679 |
brrresult = PeriphClk / usartdiv; |
|
1680 |
} |
|
1681 |
} |
|
1682 |
return (brrresult); |
|
1683 |
} |
|
1684 |
|
|
1685 |
/** |
|
1686 |
* @brief Set Receiver Time Out Value (expressed in nb of bits duration) |
|
1687 |
* @rmtoll RTOR RTO LL_USART_SetRxTimeout |
|
1688 |
* @param USARTx USART Instance |
|
1689 |
* @param Timeout Value between Min_Data=0x00 and Max_Data=0x00FFFFFF |
|
1690 |
* @retval None |
|
1691 |
*/ |
|
1692 |
__STATIC_INLINE void LL_USART_SetRxTimeout(USART_TypeDef *USARTx, uint32_t Timeout) |
|
1693 |
{ |
|
1694 |
MODIFY_REG(USARTx->RTOR, USART_RTOR_RTO, Timeout); |
|
1695 |
} |
|
1696 |
|
|
1697 |
/** |
|
1698 |
* @brief Get Receiver Time Out Value (expressed in nb of bits duration) |
|
1699 |
* @rmtoll RTOR RTO LL_USART_GetRxTimeout |
|
1700 |
* @param USARTx USART Instance |
|
1701 |
* @retval Value between Min_Data=0x00 and Max_Data=0x00FFFFFF |
|
1702 |
*/ |
|
1703 |
__STATIC_INLINE uint32_t LL_USART_GetRxTimeout(USART_TypeDef *USARTx) |
|
1704 |
{ |
|
1705 |
return (uint32_t)(READ_BIT(USARTx->RTOR, USART_RTOR_RTO)); |
|
1706 |
} |
|
1707 |
|
|
1708 |
#if defined(USART_SMARTCARD_SUPPORT) |
|
1709 |
/** |
|
1710 |
* @brief Set Block Length value in reception |
|
1711 |
* @rmtoll RTOR BLEN LL_USART_SetBlockLength |
|
1712 |
* @param USARTx USART Instance |
|
1713 |
* @param BlockLength Value between Min_Data=0x00 and Max_Data=0xFF |
|
1714 |
* @retval None |
|
1715 |
*/ |
|
1716 |
__STATIC_INLINE void LL_USART_SetBlockLength(USART_TypeDef *USARTx, uint32_t BlockLength) |
|
1717 |
{ |
|
1718 |
MODIFY_REG(USARTx->RTOR, USART_RTOR_BLEN, BlockLength << USART_RTOR_BLEN_Pos); |
|
1719 |
} |
|
1720 |
|
|
1721 |
/** |
|
1722 |
* @brief Get Block Length value in reception |
|
1723 |
* @rmtoll RTOR BLEN LL_USART_GetBlockLength |
|
1724 |
* @param USARTx USART Instance |
|
1725 |
* @retval Value between Min_Data=0x00 and Max_Data=0xFF |
|
1726 |
*/ |
|
1727 |
__STATIC_INLINE uint32_t LL_USART_GetBlockLength(USART_TypeDef *USARTx) |
|
1728 |
{ |
|
1729 |
return (uint32_t)(READ_BIT(USARTx->RTOR, USART_RTOR_BLEN) >> USART_RTOR_BLEN_Pos); |
|
1730 |
} |
|
1731 |
#endif |
|
1732 |
|
|
1733 |
/** |
|
1734 |
* @} |
|
1735 |
*/ |
|
1736 |
|
|
1737 |
#if defined(USART_IRDA_SUPPORT) |
|
1738 |
/** @defgroup USART_LL_EF_Configuration_IRDA Configuration functions related to Irda feature |
|
1739 |
* @{ |
|
1740 |
*/ |
|
1741 |
|
|
1742 |
/** |
|
1743 |
* @brief Enable IrDA mode |
|
1744 |
* @note Macro @ref IS_IRDA_INSTANCE(USARTx) can be used to check whether or not |
|
1745 |
* IrDA feature is supported by the USARTx instance. |
|
1746 |
* @rmtoll CR3 IREN LL_USART_EnableIrda |
|
1747 |
* @param USARTx USART Instance |
|
1748 |
* @retval None |
|
1749 |
*/ |
|
1750 |
__STATIC_INLINE void LL_USART_EnableIrda(USART_TypeDef *USARTx) |
|
1751 |
{ |
|
1752 |
SET_BIT(USARTx->CR3, USART_CR3_IREN); |
|
1753 |
} |
|
1754 |
|
|
1755 |
/** |
|
1756 |
* @brief Disable IrDA mode |
|
1757 |
* @note Macro @ref IS_IRDA_INSTANCE(USARTx) can be used to check whether or not |
|
1758 |
* IrDA feature is supported by the USARTx instance. |
|
1759 |
* @rmtoll CR3 IREN LL_USART_DisableIrda |
|
1760 |
* @param USARTx USART Instance |
|
1761 |
* @retval None |
|
1762 |
*/ |
|
1763 |
__STATIC_INLINE void LL_USART_DisableIrda(USART_TypeDef *USARTx) |
|
1764 |
{ |
|
1765 |
CLEAR_BIT(USARTx->CR3, USART_CR3_IREN); |
|
1766 |
} |
|
1767 |
|
|
1768 |
/** |
|
1769 |
* @brief Indicate if IrDA mode is enabled |
|
1770 |
* @note Macro @ref IS_IRDA_INSTANCE(USARTx) can be used to check whether or not |
|
1771 |
* IrDA feature is supported by the USARTx instance. |
|
1772 |
* @rmtoll CR3 IREN LL_USART_IsEnabledIrda |
|
1773 |
* @param USARTx USART Instance |
|
1774 |
* @retval State of bit (1 or 0). |
|
1775 |
*/ |
|
1776 |
__STATIC_INLINE uint32_t LL_USART_IsEnabledIrda(USART_TypeDef *USARTx) |
|
1777 |
{ |
|
1778 |
return (READ_BIT(USARTx->CR3, USART_CR3_IREN) == (USART_CR3_IREN)); |
|
1779 |
} |
|
1780 |
|
|
1781 |
/** |
|
1782 |
* @brief Configure IrDA Power Mode (Normal or Low Power) |
|
1783 |
* @note Macro @ref IS_IRDA_INSTANCE(USARTx) can be used to check whether or not |
|
1784 |
* IrDA feature is supported by the USARTx instance. |
|
1785 |
* @rmtoll CR3 IRLP LL_USART_SetIrdaPowerMode |
|
1786 |
* @param USARTx USART Instance |
|
1787 |
* @param PowerMode This parameter can be one of the following values: |
|
1788 |
* @arg @ref LL_USART_IRDA_POWER_NORMAL |
|
1789 |
* @arg @ref LL_USART_IRDA_POWER_LOW |
|
1790 |
* @retval None |
|
1791 |
*/ |
|
1792 |
__STATIC_INLINE void LL_USART_SetIrdaPowerMode(USART_TypeDef *USARTx, uint32_t PowerMode) |
|
1793 |
{ |
|
1794 |
MODIFY_REG(USARTx->CR3, USART_CR3_IRLP, PowerMode); |
|
1795 |
} |
|
1796 |
|
|
1797 |
/** |
|
1798 |
* @brief Retrieve IrDA Power Mode configuration (Normal or Low Power) |
|
1799 |
* @note Macro @ref IS_IRDA_INSTANCE(USARTx) can be used to check whether or not |
|
1800 |
* IrDA feature is supported by the USARTx instance. |
|
1801 |
* @rmtoll CR3 IRLP LL_USART_GetIrdaPowerMode |
|
1802 |
* @param USARTx USART Instance |
|
1803 |
* @retval Returned value can be one of the following values: |
|
1804 |
* @arg @ref LL_USART_IRDA_POWER_NORMAL |
|
1805 |
* @arg @ref LL_USART_PHASE_2EDGE |
|
1806 |
*/ |
|
1807 |
__STATIC_INLINE uint32_t LL_USART_GetIrdaPowerMode(USART_TypeDef *USARTx) |
|
1808 |
{ |
|
1809 |
return (uint32_t)(READ_BIT(USARTx->CR3, USART_CR3_IRLP)); |
|
1810 |
} |
|
1811 |
|
|
1812 |
/** |
|
1813 |
* @brief Set Irda prescaler value, used for dividing the USART clock source |
|
1814 |
* to achieve the Irda Low Power frequency (8 bits value) |
|
1815 |
* @note Macro @ref IS_IRDA_INSTANCE(USARTx) can be used to check whether or not |
|
1816 |
* IrDA feature is supported by the USARTx instance. |
|
1817 |
* @rmtoll GTPR PSC LL_USART_SetIrdaPrescaler |
|
1818 |
* @param USARTx USART Instance |
|
1819 |
* @param PrescalerValue Value between Min_Data=0x00 and Max_Data=0xFF |
|
1820 |
* @retval None |
|
1821 |
*/ |
|
1822 |
__STATIC_INLINE void LL_USART_SetIrdaPrescaler(USART_TypeDef *USARTx, uint32_t PrescalerValue) |
|
1823 |
{ |
|
1824 |
MODIFY_REG(USARTx->GTPR, USART_GTPR_PSC, PrescalerValue); |
|
1825 |
} |
|
1826 |
|
|
1827 |
/** |
|
1828 |
* @brief Return Irda prescaler value, used for dividing the USART clock source |
|
1829 |
* to achieve the Irda Low Power frequency (8 bits value) |
|
1830 |
* @note Macro @ref IS_IRDA_INSTANCE(USARTx) can be used to check whether or not |
|
1831 |
* IrDA feature is supported by the USARTx instance. |
|
1832 |
* @rmtoll GTPR PSC LL_USART_GetIrdaPrescaler |
|
1833 |
* @param USARTx USART Instance |
|
1834 |
* @retval Irda prescaler value (Value between Min_Data=0x00 and Max_Data=0xFF) |
|
1835 |
*/ |
|
1836 |
__STATIC_INLINE uint32_t LL_USART_GetIrdaPrescaler(USART_TypeDef *USARTx) |
|
1837 |
{ |
|
1838 |
return (uint32_t)(READ_BIT(USARTx->GTPR, USART_GTPR_PSC)); |
|
1839 |
} |
|
1840 |
|
|
1841 |
/** |
|
1842 |
* @} |
|
1843 |
*/ |
|
1844 |
#endif |
|
1845 |
|
|
1846 |
#if defined(USART_SMARTCARD_SUPPORT) |
|
1847 |
/** @defgroup USART_LL_EF_Configuration_Smartcard Configuration functions related to Smartcard feature |
|
1848 |
* @{ |
|
1849 |
*/ |
|
1850 |
|
|
1851 |
/** |
|
1852 |
* @brief Enable Smartcard NACK transmission |
|
1853 |
* @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not |
|
1854 |
* Smartcard feature is supported by the USARTx instance. |
|
1855 |
* @rmtoll CR3 NACK LL_USART_EnableSmartcardNACK |
|
1856 |
* @param USARTx USART Instance |
|
1857 |
* @retval None |
|
1858 |
*/ |
|
1859 |
__STATIC_INLINE void LL_USART_EnableSmartcardNACK(USART_TypeDef *USARTx) |
|
1860 |
{ |
|
1861 |
SET_BIT(USARTx->CR3, USART_CR3_NACK); |
|
1862 |
} |
|
1863 |
|
|
1864 |
/** |
|
1865 |
* @brief Disable Smartcard NACK transmission |
|
1866 |
* @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not |
|
1867 |
* Smartcard feature is supported by the USARTx instance. |
|
1868 |
* @rmtoll CR3 NACK LL_USART_DisableSmartcardNACK |
|
1869 |
* @param USARTx USART Instance |
|
1870 |
* @retval None |
|
1871 |
*/ |
|
1872 |
__STATIC_INLINE void LL_USART_DisableSmartcardNACK(USART_TypeDef *USARTx) |
|
1873 |
{ |
|
1874 |
CLEAR_BIT(USARTx->CR3, USART_CR3_NACK); |
|
1875 |
} |
|
1876 |
|
|
1877 |
/** |
|
1878 |
* @brief Indicate if Smartcard NACK transmission is enabled |
|
1879 |
* @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not |
|
1880 |
* Smartcard feature is supported by the USARTx instance. |
|
1881 |
* @rmtoll CR3 NACK LL_USART_IsEnabledSmartcardNACK |
|
1882 |
* @param USARTx USART Instance |
|
1883 |
* @retval State of bit (1 or 0). |
|
1884 |
*/ |
|
1885 |
__STATIC_INLINE uint32_t LL_USART_IsEnabledSmartcardNACK(USART_TypeDef *USARTx) |
|
1886 |
{ |
|
1887 |
return (READ_BIT(USARTx->CR3, USART_CR3_NACK) == (USART_CR3_NACK)); |
|
1888 |
} |
|
1889 |
|
|
1890 |
/** |
|
1891 |
* @brief Enable Smartcard mode |
|
1892 |
* @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not |
|
1893 |
* Smartcard feature is supported by the USARTx instance. |
|
1894 |
* @rmtoll CR3 SCEN LL_USART_EnableSmartcard |
|
1895 |
* @param USARTx USART Instance |
|
1896 |
* @retval None |
|
1897 |
*/ |
|
1898 |
__STATIC_INLINE void LL_USART_EnableSmartcard(USART_TypeDef *USARTx) |
|
1899 |
{ |
|
1900 |
SET_BIT(USARTx->CR3, USART_CR3_SCEN); |
|
1901 |
} |
|
1902 |
|
|
1903 |
/** |
|
1904 |
* @brief Disable Smartcard mode |
|
1905 |
* @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not |
|
1906 |
* Smartcard feature is supported by the USARTx instance. |
|
1907 |
* @rmtoll CR3 SCEN LL_USART_DisableSmartcard |
|
1908 |
* @param USARTx USART Instance |
|
1909 |
* @retval None |
|
1910 |
*/ |
|
1911 |
__STATIC_INLINE void LL_USART_DisableSmartcard(USART_TypeDef *USARTx) |
|
1912 |
{ |
|
1913 |
CLEAR_BIT(USARTx->CR3, USART_CR3_SCEN); |
|
1914 |
} |
|
1915 |
|
|
1916 |
/** |
|
1917 |
* @brief Indicate if Smartcard mode is enabled |
|
1918 |
* @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not |
|
1919 |
* Smartcard feature is supported by the USARTx instance. |
|
1920 |
* @rmtoll CR3 SCEN LL_USART_IsEnabledSmartcard |
|
1921 |
* @param USARTx USART Instance |
|
1922 |
* @retval State of bit (1 or 0). |
|
1923 |
*/ |
|
1924 |
__STATIC_INLINE uint32_t LL_USART_IsEnabledSmartcard(USART_TypeDef *USARTx) |
|
1925 |
{ |
|
1926 |
return (READ_BIT(USARTx->CR3, USART_CR3_SCEN) == (USART_CR3_SCEN)); |
|
1927 |
} |
|
1928 |
|
|
1929 |
/** |
|
1930 |
* @brief Set Smartcard Auto-Retry Count value (SCARCNT[2:0] bits) |
|
1931 |
* @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not |
|
1932 |
* Smartcard feature is supported by the USARTx instance. |
|
1933 |
* @note This bit-field specifies the number of retries in transmit and receive, in Smartcard mode. |
|
1934 |
* In transmission mode, it specifies the number of automatic retransmission retries, before |
|
1935 |
* generating a transmission error (FE bit set). |
|
1936 |
* In reception mode, it specifies the number or erroneous reception trials, before generating a |
|
1937 |
* reception error (RXNE and PE bits set) |
|
1938 |
* @rmtoll CR3 SCARCNT LL_USART_SetSmartcardAutoRetryCount |
|
1939 |
* @param USARTx USART Instance |
|
1940 |
* @param AutoRetryCount Value between Min_Data=0 and Max_Data=7 |
|
1941 |
* @retval None |
|
1942 |
*/ |
|
1943 |
__STATIC_INLINE void LL_USART_SetSmartcardAutoRetryCount(USART_TypeDef *USARTx, uint32_t AutoRetryCount) |
|
1944 |
{ |
|
1945 |
MODIFY_REG(USARTx->CR3, USART_CR3_SCARCNT, AutoRetryCount << USART_CR3_SCARCNT_Pos); |
|
1946 |
} |
|
1947 |
|
|
1948 |
/** |
|
1949 |
* @brief Return Smartcard Auto-Retry Count value (SCARCNT[2:0] bits) |
|
1950 |
* @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not |
|
1951 |
* Smartcard feature is supported by the USARTx instance. |
|
1952 |
* @rmtoll CR3 SCARCNT LL_USART_GetSmartcardAutoRetryCount |
|
1953 |
* @param USARTx USART Instance |
|
1954 |
* @retval Smartcard Auto-Retry Count value (Value between Min_Data=0 and Max_Data=7) |
|
1955 |
*/ |
|
1956 |
__STATIC_INLINE uint32_t LL_USART_GetSmartcardAutoRetryCount(USART_TypeDef *USARTx) |
|
1957 |
{ |
|
1958 |
return (uint32_t)(READ_BIT(USARTx->CR3, USART_CR3_SCARCNT) >> USART_CR3_SCARCNT_Pos); |
|
1959 |
} |
|
1960 |
|
|
1961 |
/** |
|
1962 |
* @brief Set Smartcard prescaler value, used for dividing the USART clock |
|
1963 |
* source to provide the SMARTCARD Clock (5 bits value) |
|
1964 |
* @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not |
|
1965 |
* Smartcard feature is supported by the USARTx instance. |
|
1966 |
* @rmtoll GTPR PSC LL_USART_SetSmartcardPrescaler |
|
1967 |
* @param USARTx USART Instance |
|
1968 |
* @param PrescalerValue Value between Min_Data=0 and Max_Data=31 |
|
1969 |
* @retval None |
|
1970 |
*/ |
|
1971 |
__STATIC_INLINE void LL_USART_SetSmartcardPrescaler(USART_TypeDef *USARTx, uint32_t PrescalerValue) |
|
1972 |
{ |
|
1973 |
MODIFY_REG(USARTx->GTPR, USART_GTPR_PSC, PrescalerValue); |
|
1974 |
} |
|
1975 |
|
|
1976 |
/** |
|
1977 |
* @brief Return Smartcard prescaler value, used for dividing the USART clock |
|
1978 |
* source to provide the SMARTCARD Clock (5 bits value) |
|
1979 |
* @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not |
|
1980 |
* Smartcard feature is supported by the USARTx instance. |
|
1981 |
* @rmtoll GTPR PSC LL_USART_GetSmartcardPrescaler |
|
1982 |
* @param USARTx USART Instance |
|
1983 |
* @retval Smartcard prescaler value (Value between Min_Data=0 and Max_Data=31) |
|
1984 |
*/ |
|
1985 |
__STATIC_INLINE uint32_t LL_USART_GetSmartcardPrescaler(USART_TypeDef *USARTx) |
|
1986 |
{ |
|
1987 |
return (uint32_t)(READ_BIT(USARTx->GTPR, USART_GTPR_PSC)); |
|
1988 |
} |
|
1989 |
|
|
1990 |
/** |
|
1991 |
* @brief Set Smartcard Guard time value, expressed in nb of baud clocks periods |
|
1992 |
* (GT[7:0] bits : Guard time value) |
|
1993 |
* @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not |
|
1994 |
* Smartcard feature is supported by the USARTx instance. |
|
1995 |
* @rmtoll GTPR GT LL_USART_SetSmartcardGuardTime |
|
1996 |
* @param USARTx USART Instance |
|
1997 |
* @param GuardTime Value between Min_Data=0x00 and Max_Data=0xFF |
|
1998 |
* @retval None |
|
1999 |
*/ |
|
2000 |
__STATIC_INLINE void LL_USART_SetSmartcardGuardTime(USART_TypeDef *USARTx, uint32_t GuardTime) |
|
2001 |
{ |
|
2002 |
MODIFY_REG(USARTx->GTPR, USART_GTPR_GT, GuardTime << USART_GTPR_GT_Pos); |
|
2003 |
} |
|
2004 |
|
|
2005 |
/** |
|
2006 |
* @brief Return Smartcard Guard time value, expressed in nb of baud clocks periods |
|
2007 |
* (GT[7:0] bits : Guard time value) |
|
2008 |
* @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not |
|
2009 |
* Smartcard feature is supported by the USARTx instance. |
|
2010 |
* @rmtoll GTPR GT LL_USART_GetSmartcardGuardTime |
|
2011 |
* @param USARTx USART Instance |
|
2012 |
* @retval Smartcard Guard time value (Value between Min_Data=0x00 and Max_Data=0xFF) |
|
2013 |
*/ |
|
2014 |
__STATIC_INLINE uint32_t LL_USART_GetSmartcardGuardTime(USART_TypeDef *USARTx) |
|
2015 |
{ |
|
2016 |
return (uint32_t)(READ_BIT(USARTx->GTPR, USART_GTPR_GT) >> USART_GTPR_GT_Pos); |
|
2017 |
} |
|
2018 |
|
|
2019 |
/** |
|
2020 |
* @} |
|
2021 |
*/ |
|
2022 |
#endif |
|
2023 |
|
|
2024 |
/** @defgroup USART_LL_EF_Configuration_HalfDuplex Configuration functions related to Half Duplex feature |
|
2025 |
* @{ |
|
2026 |
*/ |
|
2027 |
|
|
2028 |
/** |
|
2029 |
* @brief Enable Single Wire Half-Duplex mode |
|
2030 |
* @note Macro @ref IS_UART_HALFDUPLEX_INSTANCE(USARTx) can be used to check whether or not |
|
2031 |
* Half-Duplex mode is supported by the USARTx instance. |
|
2032 |
* @rmtoll CR3 HDSEL LL_USART_EnableHalfDuplex |
|
2033 |
* @param USARTx USART Instance |
|
2034 |
* @retval None |
|
2035 |
*/ |
|
2036 |
__STATIC_INLINE void LL_USART_EnableHalfDuplex(USART_TypeDef *USARTx) |
|
2037 |
{ |
|
2038 |
SET_BIT(USARTx->CR3, USART_CR3_HDSEL); |
|
2039 |
} |
|
2040 |
|
|
2041 |
/** |
|
2042 |
* @brief Disable Single Wire Half-Duplex mode |
|
2043 |
* @note Macro @ref IS_UART_HALFDUPLEX_INSTANCE(USARTx) can be used to check whether or not |
|
2044 |
* Half-Duplex mode is supported by the USARTx instance. |
|
2045 |
* @rmtoll CR3 HDSEL LL_USART_DisableHalfDuplex |
|
2046 |
* @param USARTx USART Instance |
|
2047 |
* @retval None |
|
2048 |
*/ |
|
2049 |
__STATIC_INLINE void LL_USART_DisableHalfDuplex(USART_TypeDef *USARTx) |
|
2050 |
{ |
|
2051 |
CLEAR_BIT(USARTx->CR3, USART_CR3_HDSEL); |
|
2052 |
} |
|
2053 |
|
|
2054 |
/** |
|
2055 |
* @brief Indicate if Single Wire Half-Duplex mode is enabled |
|
2056 |
* @note Macro @ref IS_UART_HALFDUPLEX_INSTANCE(USARTx) can be used to check whether or not |
|
2057 |
* Half-Duplex mode is supported by the USARTx instance. |
|
2058 |
* @rmtoll CR3 HDSEL LL_USART_IsEnabledHalfDuplex |
|
2059 |
* @param USARTx USART Instance |
|
2060 |
* @retval State of bit (1 or 0). |
|
2061 |
*/ |
|
2062 |
__STATIC_INLINE uint32_t LL_USART_IsEnabledHalfDuplex(USART_TypeDef *USARTx) |
|
2063 |
{ |
|
2064 |
return (READ_BIT(USARTx->CR3, USART_CR3_HDSEL) == (USART_CR3_HDSEL)); |
|
2065 |
} |
|
2066 |
|
|
2067 |
/** |
|
2068 |
* @} |
|
2069 |
*/ |
|
2070 |
|
|
2071 |
#if defined(USART_LIN_SUPPORT) |
|
2072 |
/** @defgroup USART_LL_EF_Configuration_LIN Configuration functions related to LIN feature |
|
2073 |
* @{ |
|
2074 |
*/ |
|
2075 |
|
|
2076 |
/** |
|
2077 |
* @brief Set LIN Break Detection Length |
|
2078 |
* @note Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not |
|
2079 |
* LIN feature is supported by the USARTx instance. |
|
2080 |
* @rmtoll CR2 LBDL LL_USART_SetLINBrkDetectionLen |
|
2081 |
* @param USARTx USART Instance |
|
2082 |
* @param LINBDLength This parameter can be one of the following values: |
|
2083 |
* @arg @ref LL_USART_LINBREAK_DETECT_10B |
|
2084 |
* @arg @ref LL_USART_LINBREAK_DETECT_11B |
|
2085 |
* @retval None |
|
2086 |
*/ |
|
2087 |
__STATIC_INLINE void LL_USART_SetLINBrkDetectionLen(USART_TypeDef *USARTx, uint32_t LINBDLength) |
|
2088 |
{ |
|
2089 |
MODIFY_REG(USARTx->CR2, USART_CR2_LBDL, LINBDLength); |
|
2090 |
} |
|
2091 |
|
|
2092 |
/** |
|
2093 |
* @brief Return LIN Break Detection Length |
|
2094 |
* @note Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not |
|
2095 |
* LIN feature is supported by the USARTx instance. |
|
2096 |
* @rmtoll CR2 LBDL LL_USART_GetLINBrkDetectionLen |
|
2097 |
* @param USARTx USART Instance |
|
2098 |
* @retval Returned value can be one of the following values: |
|
2099 |
* @arg @ref LL_USART_LINBREAK_DETECT_10B |
|
2100 |
* @arg @ref LL_USART_LINBREAK_DETECT_11B |
|
2101 |
*/ |
|
2102 |
__STATIC_INLINE uint32_t LL_USART_GetLINBrkDetectionLen(USART_TypeDef *USARTx) |
|
2103 |
{ |
|
2104 |
return (uint32_t)(READ_BIT(USARTx->CR2, USART_CR2_LBDL)); |
|
2105 |
} |
|
2106 |
|
|
2107 |
/** |
|
2108 |
* @brief Enable LIN mode |
|
2109 |
* @note Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not |
|
2110 |
* LIN feature is supported by the USARTx instance. |
|
2111 |
* @rmtoll CR2 LINEN LL_USART_EnableLIN |
|
2112 |
* @param USARTx USART Instance |
|
2113 |
* @retval None |
|
2114 |
*/ |
|
2115 |
__STATIC_INLINE void LL_USART_EnableLIN(USART_TypeDef *USARTx) |
|
2116 |
{ |
|
2117 |
SET_BIT(USARTx->CR2, USART_CR2_LINEN); |
|
2118 |
} |
|
2119 |
|
|
2120 |
/** |
|
2121 |
* @brief Disable LIN mode |
|
2122 |
* @note Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not |
|
2123 |
* LIN feature is supported by the USARTx instance. |
|
2124 |
* @rmtoll CR2 LINEN LL_USART_DisableLIN |
|
2125 |
* @param USARTx USART Instance |
|
2126 |
* @retval None |
|
2127 |
*/ |
|
2128 |
__STATIC_INLINE void LL_USART_DisableLIN(USART_TypeDef *USARTx) |
|
2129 |
{ |
|
2130 |
CLEAR_BIT(USARTx->CR2, USART_CR2_LINEN); |
|
2131 |
} |
|
2132 |
|
|
2133 |
/** |
|
2134 |
* @brief Indicate if LIN mode is enabled |
|
2135 |
* @note Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not |
|
2136 |
* LIN feature is supported by the USARTx instance. |
|
2137 |
* @rmtoll CR2 LINEN LL_USART_IsEnabledLIN |
|
2138 |
* @param USARTx USART Instance |
|
2139 |
* @retval State of bit (1 or 0). |
|
2140 |
*/ |
|
2141 |
__STATIC_INLINE uint32_t LL_USART_IsEnabledLIN(USART_TypeDef *USARTx) |
|
2142 |
{ |
|
2143 |
return (READ_BIT(USARTx->CR2, USART_CR2_LINEN) == (USART_CR2_LINEN)); |
|
2144 |
} |
|
2145 |
|
|
2146 |
/** |
|
2147 |
* @} |
|
2148 |
*/ |
|
2149 |
#endif |
|
2150 |
|
|
2151 |
/** @defgroup USART_LL_EF_Configuration_DE Configuration functions related to Driver Enable feature |
|
2152 |
* @{ |
|
2153 |
*/ |
|
2154 |
|
|
2155 |
/** |
|
2156 |
* @brief Set DEDT (Driver Enable De-Assertion Time), Time value expressed on 5 bits ([4:0] bits). |
|
2157 |
* @note Macro @ref IS_UART_DRIVER_ENABLE_INSTANCE(USARTx) can be used to check whether or not |
|
2158 |
* Driver Enable feature is supported by the USARTx instance. |
|
2159 |
* @rmtoll CR1 DEDT LL_USART_SetDEDeassertionTime |
|
2160 |
* @param USARTx USART Instance |
|
2161 |
* @param Time Value between Min_Data=0 and Max_Data=31 |
|
2162 |
* @retval None |
|
2163 |
*/ |
|
2164 |
__STATIC_INLINE void LL_USART_SetDEDeassertionTime(USART_TypeDef *USARTx, uint32_t Time) |
|
2165 |
{ |
|
2166 |
MODIFY_REG(USARTx->CR1, USART_CR1_DEDT, Time << USART_CR1_DEDT_Pos); |
|
2167 |
} |
|
2168 |
|
|
2169 |
/** |
|
2170 |
* @brief Return DEDT (Driver Enable De-Assertion Time) |
|
2171 |
* @note Macro @ref IS_UART_DRIVER_ENABLE_INSTANCE(USARTx) can be used to check whether or not |
|
2172 |
* Driver Enable feature is supported by the USARTx instance. |
|
2173 |
* @rmtoll CR1 DEDT LL_USART_GetDEDeassertionTime |
|
2174 |
* @param USARTx USART Instance |
|
2175 |
* @retval Time value expressed on 5 bits ([4:0] bits) : Value between Min_Data=0 and Max_Data=31 |
|
2176 |
*/ |
|
2177 |
__STATIC_INLINE uint32_t LL_USART_GetDEDeassertionTime(USART_TypeDef *USARTx) |
|
2178 |
{ |
|
2179 |
return (uint32_t)(READ_BIT(USARTx->CR1, USART_CR1_DEDT) >> USART_CR1_DEDT_Pos); |
|
2180 |
} |
|
2181 |
|
|
2182 |
/** |
|
2183 |
* @brief Set DEAT (Driver Enable Assertion Time), Time value expressed on 5 bits ([4:0] bits). |
|
2184 |
* @note Macro @ref IS_UART_DRIVER_ENABLE_INSTANCE(USARTx) can be used to check whether or not |
|
2185 |
* Driver Enable feature is supported by the USARTx instance. |
|
2186 |
* @rmtoll CR1 DEAT LL_USART_SetDEAssertionTime |
|
2187 |
* @param USARTx USART Instance |
|
2188 |
* @param Time Value between Min_Data=0 and Max_Data=31 |
|
2189 |
* @retval None |
|
2190 |
*/ |
|
2191 |
__STATIC_INLINE void LL_USART_SetDEAssertionTime(USART_TypeDef *USARTx, uint32_t Time) |
|
2192 |
{ |
|
2193 |
MODIFY_REG(USARTx->CR1, USART_CR1_DEAT, Time << USART_CR1_DEAT_Pos); |
|
2194 |
} |
|
2195 |
|
|
2196 |
/** |
|
2197 |
* @brief Return DEAT (Driver Enable Assertion Time) |
|
2198 |
* @note Macro @ref IS_UART_DRIVER_ENABLE_INSTANCE(USARTx) can be used to check whether or not |
|
2199 |
* Driver Enable feature is supported by the USARTx instance. |
|
2200 |
* @rmtoll CR1 DEAT LL_USART_GetDEAssertionTime |
|
2201 |
* @param USARTx USART Instance |
|
2202 |
* @retval Time value expressed on 5 bits ([4:0] bits) : Value between Min_Data=0 and Max_Data=31 |
|
2203 |
*/ |
|
2204 |
__STATIC_INLINE uint32_t LL_USART_GetDEAssertionTime(USART_TypeDef *USARTx) |
|
2205 |
{ |
|
2206 |
return (uint32_t)(READ_BIT(USARTx->CR1, USART_CR1_DEAT) >> USART_CR1_DEAT_Pos); |
|
2207 |
} |
|
2208 |
|
|
2209 |
/** |
|
2210 |
* @brief Enable Driver Enable (DE) Mode |
|
2211 |
* @note Macro @ref IS_UART_DRIVER_ENABLE_INSTANCE(USARTx) can be used to check whether or not |
|
2212 |
* Driver Enable feature is supported by the USARTx instance. |
|
2213 |
* @rmtoll CR3 DEM LL_USART_EnableDEMode |
|
2214 |
* @param USARTx USART Instance |
|
2215 |
* @retval None |
|
2216 |
*/ |
|
2217 |
__STATIC_INLINE void LL_USART_EnableDEMode(USART_TypeDef *USARTx) |
|
2218 |
{ |
|
2219 |
SET_BIT(USARTx->CR3, USART_CR3_DEM); |
|
2220 |
} |
|
2221 |
|
|
2222 |
/** |
|
2223 |
* @brief Disable Driver Enable (DE) Mode |
|
2224 |
* @note Macro @ref IS_UART_DRIVER_ENABLE_INSTANCE(USARTx) can be used to check whether or not |
|
2225 |
* Driver Enable feature is supported by the USARTx instance. |
|
2226 |
* @rmtoll CR3 DEM LL_USART_DisableDEMode |
|
2227 |
* @param USARTx USART Instance |
|
2228 |
* @retval None |
|
2229 |
*/ |
|
2230 |
__STATIC_INLINE void LL_USART_DisableDEMode(USART_TypeDef *USARTx) |
|
2231 |
{ |
|
2232 |
CLEAR_BIT(USARTx->CR3, USART_CR3_DEM); |
|
2233 |
} |
|
2234 |
|
|
2235 |
/** |
|
2236 |
* @brief Indicate if Driver Enable (DE) Mode is enabled |
|
2237 |
* @note Macro @ref IS_UART_DRIVER_ENABLE_INSTANCE(USARTx) can be used to check whether or not |
|
2238 |
* Driver Enable feature is supported by the USARTx instance. |
|
2239 |
* @rmtoll CR3 DEM LL_USART_IsEnabledDEMode |
|
2240 |
* @param USARTx USART Instance |
|
2241 |
* @retval State of bit (1 or 0). |
|
2242 |
*/ |
|
2243 |
__STATIC_INLINE uint32_t LL_USART_IsEnabledDEMode(USART_TypeDef *USARTx) |
|
2244 |
{ |
|
2245 |
return (READ_BIT(USARTx->CR3, USART_CR3_DEM) == (USART_CR3_DEM)); |
|
2246 |
} |
|
2247 |
|
|
2248 |
/** |
|
2249 |
* @brief Select Driver Enable Polarity |
|
2250 |
* @note Macro @ref IS_UART_DRIVER_ENABLE_INSTANCE(USARTx) can be used to check whether or not |
|
2251 |
* Driver Enable feature is supported by the USARTx instance. |
|
2252 |
* @rmtoll CR3 DEP LL_USART_SetDESignalPolarity |
|
2253 |
* @param USARTx USART Instance |
|
2254 |
* @param Polarity This parameter can be one of the following values: |
|
2255 |
* @arg @ref LL_USART_DE_POLARITY_HIGH |
|
2256 |
* @arg @ref LL_USART_DE_POLARITY_LOW |
|
2257 |
* @retval None |
|
2258 |
*/ |
|
2259 |
__STATIC_INLINE void LL_USART_SetDESignalPolarity(USART_TypeDef *USARTx, uint32_t Polarity) |
|
2260 |
{ |
|
2261 |
MODIFY_REG(USARTx->CR3, USART_CR3_DEP, Polarity); |
|
2262 |
} |
|
2263 |
|
|
2264 |
/** |
|
2265 |
* @brief Return Driver Enable Polarity |
|
2266 |
* @note Macro @ref IS_UART_DRIVER_ENABLE_INSTANCE(USARTx) can be used to check whether or not |
|
2267 |
* Driver Enable feature is supported by the USARTx instance. |
|
2268 |
* @rmtoll CR3 DEP LL_USART_GetDESignalPolarity |
|
2269 |
* @param USARTx USART Instance |
|
2270 |
* @retval Returned value can be one of the following values: |
|
2271 |
* @arg @ref LL_USART_DE_POLARITY_HIGH |
|
2272 |
* @arg @ref LL_USART_DE_POLARITY_LOW |
|
2273 |
*/ |
|
2274 |
__STATIC_INLINE uint32_t LL_USART_GetDESignalPolarity(USART_TypeDef *USARTx) |
|
2275 |
{ |
|
2276 |
return (uint32_t)(READ_BIT(USARTx->CR3, USART_CR3_DEP)); |
|
2277 |
} |
|
2278 |
|
|
2279 |
/** |
|
2280 |
* @} |
|
2281 |
*/ |
|
2282 |
|
|
2283 |
/** @defgroup USART_LL_EF_AdvancedConfiguration Advanced Configurations services |
|
2284 |
* @{ |
|
2285 |
*/ |
|
2286 |
|
|
2287 |
/** |
|
2288 |
* @brief Perform basic configuration of USART for enabling use in Asynchronous Mode (UART) |
|
2289 |
* @note In UART mode, the following bits must be kept cleared: |
|
2290 |
* - LINEN bit in the USART_CR2 register (if LIN feature is supported), |
|
2291 |
* - CLKEN bit in the USART_CR2 register, |
|
2292 |
* - SCEN bit in the USART_CR3 register (if Smartcard feature is supported), |
|
2293 |
* - IREN bit in the USART_CR3 register (if Irda feature is supported), |
|
2294 |
* - HDSEL bit in the USART_CR3 register. |
|
2295 |
* @note Call of this function is equivalent to following function call sequence : |
|
2296 |
* - Clear LINEN in CR2 using @ref LL_USART_DisableLIN() function (if LIN feature is supported) |
|
2297 |
* - Clear CLKEN in CR2 using @ref LL_USART_DisableSCLKOutput() function |
|
2298 |
* - Clear SCEN in CR3 using @ref LL_USART_DisableSmartcard() function (if Smartcard feature is supported) |
|
2299 |
* - Clear IREN in CR3 using @ref LL_USART_DisableIrda() function (if Irda feature is supported) |
|
2300 |
* - Clear HDSEL in CR3 using @ref LL_USART_DisableHalfDuplex() function |
|
2301 |
* @note Other remaining configurations items related to Asynchronous Mode |
|
2302 |
* (as Baud Rate, Word length, Parity, ...) should be set using |
|
2303 |
* dedicated functions |
|
2304 |
* @rmtoll CR2 LINEN LL_USART_ConfigAsyncMode\n |
|
2305 |
* CR2 CLKEN LL_USART_ConfigAsyncMode\n |
|
2306 |
* CR3 SCEN LL_USART_ConfigAsyncMode\n |
|
2307 |
* CR3 IREN LL_USART_ConfigAsyncMode\n |
|
2308 |
* CR3 HDSEL LL_USART_ConfigAsyncMode |
|
2309 |
* @param USARTx USART Instance |
|
2310 |
* @retval None |
|
2311 |
*/ |
|
2312 |
__STATIC_INLINE void LL_USART_ConfigAsyncMode(USART_TypeDef *USARTx) |
|
2313 |
{ |
|
2314 |
/* In Asynchronous mode, the following bits must be kept cleared: |
|
2315 |
- LINEN (if LIN feature is supported), CLKEN bits in the USART_CR2 register, |
|
2316 |
- SCEN (if Smartcard feature is supported), IREN (if Irda feature is supported) and HDSEL bits in the USART_CR3 register.*/ |
|
2317 |
#if defined(USART_LIN_SUPPORT) |
|
2318 |
CLEAR_BIT(USARTx->CR2, (USART_CR2_LINEN | USART_CR2_CLKEN)); |
|
2319 |
#else |
|
2320 |
CLEAR_BIT(USARTx->CR2, USART_CR2_CLKEN); |
|
2321 |
#endif |
|
2322 |
#if defined(USART_SMARTCARD_SUPPORT) |
|
2323 |
#if defined(USART_IRDA_SUPPORT) |
|
2324 |
CLEAR_BIT(USARTx->CR3, (USART_CR3_SCEN | USART_CR3_IREN | USART_CR3_HDSEL)); |
|
2325 |
#else |
|
2326 |
CLEAR_BIT(USARTx->CR3, (USART_CR3_SCEN | USART_CR3_HDSEL)); |
|
2327 |
#endif |
|
2328 |
#else |
|
2329 |
#if defined(USART_IRDA_SUPPORT) |
|
2330 |
CLEAR_BIT(USARTx->CR3, (USART_CR3_IREN | USART_CR3_HDSEL)); |
|
2331 |
#else |
|
2332 |
CLEAR_BIT(USARTx->CR3, USART_CR3_HDSEL); |
|
2333 |
#endif |
|
2334 |
#endif |
|
2335 |
} |
|
2336 |
|
|
2337 |
/** |
|
2338 |
* @brief Perform basic configuration of USART for enabling use in Synchronous Mode |
|
2339 |
* @note In Synchronous mode, the following bits must be kept cleared: |
|
2340 |
* - LINEN bit in the USART_CR2 register (if LIN feature is supported), |
|
2341 |
* - SCEN bit in the USART_CR3 register (if Smartcard feature is supported), |
|
2342 |
* - IREN bit in the USART_CR3 register (if Irda feature is supported), |
|
2343 |
* - HDSEL bit in the USART_CR3 register. |
|
2344 |
* This function also sets the USART in Synchronous mode. |
|
2345 |
* @note Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not |
|
2346 |
* Synchronous mode is supported by the USARTx instance. |
|
2347 |
* @note Call of this function is equivalent to following function call sequence : |
|
2348 |
* - Clear LINEN in CR2 using @ref LL_USART_DisableLIN() function (if LIN feature is supported) |
|
2349 |
* - Clear IREN in CR3 using @ref LL_USART_DisableIrda() function (if Irda feature is supported) |
|
2350 |
* - Clear SCEN in CR3 using @ref LL_USART_DisableSmartcard() function (if Smartcard feature is supported) |
|
2351 |
* - Clear HDSEL in CR3 using @ref LL_USART_DisableHalfDuplex() function |
|
2352 |
* - Set CLKEN in CR2 using @ref LL_USART_EnableSCLKOutput() function |
|
2353 |
* @note Other remaining configurations items related to Synchronous Mode |
|
2354 |
* (as Baud Rate, Word length, Parity, Clock Polarity, ...) should be set using |
|
2355 |
* dedicated functions |
|
2356 |
* @rmtoll CR2 LINEN LL_USART_ConfigSyncMode\n |
|
2357 |
* CR2 CLKEN LL_USART_ConfigSyncMode\n |
|
2358 |
* CR3 SCEN LL_USART_ConfigSyncMode\n |
|
2359 |
* CR3 IREN LL_USART_ConfigSyncMode\n |
|
2360 |
* CR3 HDSEL LL_USART_ConfigSyncMode |
|
2361 |
* @param USARTx USART Instance |
|
2362 |
* @retval None |
|
2363 |
*/ |
|
2364 |
__STATIC_INLINE void LL_USART_ConfigSyncMode(USART_TypeDef *USARTx) |
|
2365 |
{ |
|
2366 |
/* In Synchronous mode, the following bits must be kept cleared: |
|
2367 |
- LINEN (if LIN feature is supported) bit in the USART_CR2 register, |
|
2368 |
- SCEN (if Smartcard feature is supported), IREN (if Irda feature is supported) and HDSEL bits in the USART_CR3 register.*/ |
|
2369 |
#if defined(USART_LIN_SUPPORT) |
|
2370 |
CLEAR_BIT(USARTx->CR2, (USART_CR2_LINEN)); |
|
2371 |
#endif |
|
2372 |
#if defined(USART_SMARTCARD_SUPPORT) |
|
2373 |
#if defined(USART_IRDA_SUPPORT) |
|
2374 |
CLEAR_BIT(USARTx->CR3, (USART_CR3_SCEN | USART_CR3_IREN | USART_CR3_HDSEL)); |
|
2375 |
#else |
|
2376 |
CLEAR_BIT(USARTx->CR3, (USART_CR3_SCEN | USART_CR3_HDSEL)); |
|
2377 |
#endif |
|
2378 |
#else |
|
2379 |
#if defined(USART_IRDA_SUPPORT) |
|
2380 |
CLEAR_BIT(USARTx->CR3, (USART_CR3_IREN | USART_CR3_HDSEL)); |
|
2381 |
#else |
|
2382 |
CLEAR_BIT(USARTx->CR3, USART_CR3_HDSEL); |
|
2383 |
#endif |
|
2384 |
#endif |
|
2385 |
/* set the UART/USART in Synchronous mode */ |
|
2386 |
SET_BIT(USARTx->CR2, USART_CR2_CLKEN); |
|
2387 |
} |
|
2388 |
|
|
2389 |
#if defined(USART_LIN_SUPPORT) |
|
2390 |
/** |
|
2391 |
* @brief Perform basic configuration of USART for enabling use in LIN Mode |
|
2392 |
* @note In LIN mode, the following bits must be kept cleared: |
|
2393 |
* - STOP and CLKEN bits in the USART_CR2 register, |
|
2394 |
* - SCEN bit in the USART_CR3 register (if Smartcard feature is supported), |
|
2395 |
* - IREN bit in the USART_CR3 register (if Irda feature is supported), |
|
2396 |
* - HDSEL bit in the USART_CR3 register. |
|
2397 |
* This function also set the UART/USART in LIN mode. |
|
2398 |
* @note Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not |
|
2399 |
* LIN feature is supported by the USARTx instance. |
|
2400 |
* @note Call of this function is equivalent to following function call sequence : |
|
2401 |
* - Clear CLKEN in CR2 using @ref LL_USART_DisableSCLKOutput() function |
|
2402 |
* - Clear STOP in CR2 using @ref LL_USART_SetStopBitsLength() function |
|
2403 |
* - Clear SCEN in CR3 using @ref LL_USART_DisableSmartcard() function (if Smartcard feature is supported) |
|
2404 |
* - Clear IREN in CR3 using @ref LL_USART_DisableIrda() function (if Irda feature is supported) |
|
2405 |
* - Clear HDSEL in CR3 using @ref LL_USART_DisableHalfDuplex() function |
|
2406 |
* - Set LINEN in CR2 using @ref LL_USART_EnableLIN() function |
|
2407 |
* @note Other remaining configurations items related to LIN Mode |
|
2408 |
* (as Baud Rate, Word length, LIN Break Detection Length, ...) should be set using |
|
2409 |
* dedicated functions |
|
2410 |
* @rmtoll CR2 CLKEN LL_USART_ConfigLINMode\n |
|
2411 |
* CR2 STOP LL_USART_ConfigLINMode\n |
|
2412 |
* CR2 LINEN LL_USART_ConfigLINMode\n |
|
2413 |
* CR3 IREN LL_USART_ConfigLINMode\n |
|
2414 |
* CR3 SCEN LL_USART_ConfigLINMode\n |
|
2415 |
* CR3 HDSEL LL_USART_ConfigLINMode |
|
2416 |
* @param USARTx USART Instance |
|
2417 |
* @retval None |
|
2418 |
*/ |
|
2419 |
__STATIC_INLINE void LL_USART_ConfigLINMode(USART_TypeDef *USARTx) |
|
2420 |
{ |
|
2421 |
/* In LIN mode, the following bits must be kept cleared: |
|
2422 |
- STOP and CLKEN bits in the USART_CR2 register, |
|
2423 |
- IREN (if Irda feature is supported), SCEN (if Smartcard feature is supported) and HDSEL bits in the USART_CR3 register.*/ |
|
2424 |
CLEAR_BIT(USARTx->CR2, (USART_CR2_CLKEN | USART_CR2_STOP)); |
|
2425 |
#if defined(USART_SMARTCARD_SUPPORT) |
|
2426 |
#if defined(USART_IRDA_SUPPORT) |
|
2427 |
CLEAR_BIT(USARTx->CR3, (USART_CR3_IREN | USART_CR3_SCEN | USART_CR3_HDSEL)); |
|
2428 |
#else |
|
2429 |
CLEAR_BIT(USARTx->CR3, (USART_CR3_SCEN | USART_CR3_HDSEL)); |
|
2430 |
#endif |
|
2431 |
#else |
|
2432 |
#if defined(USART_IRDA_SUPPORT) |
|
2433 |
CLEAR_BIT(USARTx->CR3, (USART_CR3_IREN | USART_CR3_HDSEL)); |
|
2434 |
#else |
|
2435 |
CLEAR_BIT(USARTx->CR3, USART_CR3_HDSEL); |
|
2436 |
#endif |
|
2437 |
#endif |
|
2438 |
/* Set the UART/USART in LIN mode */ |
|
2439 |
SET_BIT(USARTx->CR2, USART_CR2_LINEN); |
|
2440 |
} |
|
2441 |
#endif |
|
2442 |
|
|
2443 |
/** |
|
2444 |
* @brief Perform basic configuration of USART for enabling use in Half Duplex Mode |
|
2445 |
* @note In Half Duplex mode, the following bits must be kept cleared: |
|
2446 |
* - LINEN bit in the USART_CR2 register (if LIN feature is supported), |
|
2447 |
* - CLKEN bit in the USART_CR2 register, |
|
2448 |
* - SCEN bit in the USART_CR3 register (if Smartcard feature is supported), |
|
2449 |
* - IREN bit in the USART_CR3 register (if Irda feature is supported), |
|
2450 |
* This function also sets the UART/USART in Half Duplex mode. |
|
2451 |
* @note Macro @ref IS_UART_HALFDUPLEX_INSTANCE(USARTx) can be used to check whether or not |
|
2452 |
* Half-Duplex mode is supported by the USARTx instance. |
|
2453 |
* @note Call of this function is equivalent to following function call sequence : |
|
2454 |
* - Clear LINEN in CR2 using @ref LL_USART_DisableLIN() function (if LIN feature is supported) |
|
2455 |
* - Clear CLKEN in CR2 using @ref LL_USART_DisableSCLKOutput() function |
|
2456 |
* - Clear SCEN in CR3 using @ref LL_USART_DisableSmartcard() function (if Smartcard feature is supported) |
|
2457 |
* - Clear IREN in CR3 using @ref LL_USART_DisableIrda() function (if Irda feature is supported) |
|
2458 |
* - Set HDSEL in CR3 using @ref LL_USART_EnableHalfDuplex() function |
|
2459 |
* @note Other remaining configurations items related to Half Duplex Mode |
|
2460 |
* (as Baud Rate, Word length, Parity, ...) should be set using |
|
2461 |
* dedicated functions |
|
2462 |
* @rmtoll CR2 LINEN LL_USART_ConfigHalfDuplexMode\n |
|
2463 |
* CR2 CLKEN LL_USART_ConfigHalfDuplexMode\n |
|
2464 |
* CR3 HDSEL LL_USART_ConfigHalfDuplexMode\n |
|
2465 |
* CR3 SCEN LL_USART_ConfigHalfDuplexMode\n |
|
2466 |
* CR3 IREN LL_USART_ConfigHalfDuplexMode |
|
2467 |
* @param USARTx USART Instance |
|
2468 |
* @retval None |
|
2469 |
*/ |
|
2470 |
__STATIC_INLINE void LL_USART_ConfigHalfDuplexMode(USART_TypeDef *USARTx) |
|
2471 |
{ |
|
2472 |
/* In Half Duplex mode, the following bits must be kept cleared: |
|
2473 |
- LINEN (if LIN feature is supported), CLKEN bits in the USART_CR2 register, |
|
2474 |
- SCEN (if Smartcard feature is supported) and IREN (if Irda feature is supported) bits in the USART_CR3 register.*/ |
|
2475 |
#if defined(USART_LIN_SUPPORT) |
|
2476 |
CLEAR_BIT(USARTx->CR2, (USART_CR2_LINEN | USART_CR2_CLKEN)); |
|
2477 |
#else |
|
2478 |
CLEAR_BIT(USARTx->CR2, USART_CR2_CLKEN); |
|
2479 |
#endif |
|
2480 |
#if defined(USART_SMARTCARD_SUPPORT) |
|
2481 |
#if defined(USART_IRDA_SUPPORT) |
|
2482 |
CLEAR_BIT(USARTx->CR3, (USART_CR3_SCEN | USART_CR3_IREN)); |
|
2483 |
#else |
|
2484 |
CLEAR_BIT(USARTx->CR3, (USART_CR3_SCEN)); |
|
2485 |
#endif |
|
2486 |
#else |
|
2487 |
#if defined(USART_IRDA_SUPPORT) |
|
2488 |
CLEAR_BIT(USARTx->CR3, (USART_CR3_IREN)); |
|
2489 |
#endif |
|
2490 |
#endif |
|
2491 |
/* set the UART/USART in Half Duplex mode */ |
|
2492 |
SET_BIT(USARTx->CR3, USART_CR3_HDSEL); |
|
2493 |
} |
|
2494 |
|
|
2495 |
#if defined(USART_SMARTCARD_SUPPORT) |
|
2496 |
/** |
|
2497 |
* @brief Perform basic configuration of USART for enabling use in Smartcard Mode |
|
2498 |
* @note In Smartcard mode, the following bits must be kept cleared: |
|
2499 |
* - LINEN bit in the USART_CR2 register (if LIN feature is supported), |
|
2500 |
* - IREN bit in the USART_CR3 register (if Irda feature is supported), |
|
2501 |
* - HDSEL bit in the USART_CR3 register. |
|
2502 |
* This function also configures Stop bits to 1.5 bits and |
|
2503 |
* sets the USART in Smartcard mode (SCEN bit). |
|
2504 |
* Clock Output is also enabled (CLKEN). |
|
2505 |
* @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not |
|
2506 |
* Smartcard feature is supported by the USARTx instance. |
|
2507 |
* @note Call of this function is equivalent to following function call sequence : |
|
2508 |
* - Clear LINEN in CR2 using @ref LL_USART_DisableLIN() function (if LIN feature is supported) |
|
2509 |
* - Clear IREN in CR3 using @ref LL_USART_DisableIrda() function (if Irda feature is supported) |
|
2510 |
* - Clear HDSEL in CR3 using @ref LL_USART_DisableHalfDuplex() function |
|
2511 |
* - Configure STOP in CR2 using @ref LL_USART_SetStopBitsLength() function |
|
2512 |
* - Set CLKEN in CR2 using @ref LL_USART_EnableSCLKOutput() function |
|
2513 |
* - Set SCEN in CR3 using @ref LL_USART_EnableSmartcard() function |
|
2514 |
* @note Other remaining configurations items related to Smartcard Mode |
|
2515 |
* (as Baud Rate, Word length, Parity, ...) should be set using |
|
2516 |
* dedicated functions |
|
2517 |
* @rmtoll CR2 LINEN LL_USART_ConfigSmartcardMode\n |
|
2518 |
* CR2 STOP LL_USART_ConfigSmartcardMode\n |
|
2519 |
* CR2 CLKEN LL_USART_ConfigSmartcardMode\n |
|
2520 |
* CR3 HDSEL LL_USART_ConfigSmartcardMode\n |
|
2521 |
* CR3 SCEN LL_USART_ConfigSmartcardMode |
|
2522 |
* @param USARTx USART Instance |
|
2523 |
* @retval None |
|
2524 |
*/ |
|
2525 |
__STATIC_INLINE void LL_USART_ConfigSmartcardMode(USART_TypeDef *USARTx) |
|
2526 |
{ |
|
2527 |
/* In Smartcard mode, the following bits must be kept cleared: |
|
2528 |
- LINEN (if LIN feature is supported) bit in the USART_CR2 register, |
|
2529 |
- IREN (if Irda feature is supported) and HDSEL bits in the USART_CR3 register.*/ |
|
2530 |
#if defined(USART_LIN_SUPPORT) |
|
2531 |
CLEAR_BIT(USARTx->CR2, (USART_CR2_LINEN)); |
|
2532 |
#endif |
|
2533 |
#if defined(USART_IRDA_SUPPORT) |
|
2534 |
CLEAR_BIT(USARTx->CR3, (USART_CR3_IREN | USART_CR3_HDSEL)); |
|
2535 |
#else |
|
2536 |
CLEAR_BIT(USARTx->CR3, (USART_CR3_HDSEL)); |
|
2537 |
#endif |
|
2538 |
/* Configure Stop bits to 1.5 bits */ |
|
2539 |
/* Synchronous mode is activated by default */ |
|
2540 |
SET_BIT(USARTx->CR2, (USART_CR2_STOP_0 | USART_CR2_STOP_1 | USART_CR2_CLKEN)); |
|
2541 |
/* set the UART/USART in Smartcard mode */ |
|
2542 |
SET_BIT(USARTx->CR3, USART_CR3_SCEN); |
|
2543 |
} |
|
2544 |
#endif |
|
2545 |
|
|
2546 |
#if defined(USART_IRDA_SUPPORT) |
|
2547 |
/** |
|
2548 |
* @brief Perform basic configuration of USART for enabling use in Irda Mode |
|
2549 |
* @note In IRDA mode, the following bits must be kept cleared: |
|
2550 |
* - LINEN bit in the USART_CR2 register (if LIN feature is supported), |
|
2551 |
* - STOP and CLKEN bits in the USART_CR2 register, |
|
2552 |
* - SCEN bit in the USART_CR3 register (if Smartcard feature is supported), |
|
2553 |
* - HDSEL bit in the USART_CR3 register. |
|
2554 |
* This function also sets the UART/USART in IRDA mode (IREN bit). |
|
2555 |
* @note Macro @ref IS_IRDA_INSTANCE(USARTx) can be used to check whether or not |
|
2556 |
* IrDA feature is supported by the USARTx instance. |
|
2557 |
* @note Call of this function is equivalent to following function call sequence : |
|
2558 |
* - Clear LINEN in CR2 using @ref LL_USART_DisableLIN() function (if LIN feature is supported) |
|
2559 |
* - Clear CLKEN in CR2 using @ref LL_USART_DisableSCLKOutput() function |
|
2560 |
* - Clear SCEN in CR3 using @ref LL_USART_DisableSmartcard() function (if Smartcard feature is supported) |
|
2561 |
* - Clear HDSEL in CR3 using @ref LL_USART_DisableHalfDuplex() function |
|
2562 |
* - Configure STOP in CR2 using @ref LL_USART_SetStopBitsLength() function |
|
2563 |
* - Set IREN in CR3 using @ref LL_USART_EnableIrda() function |
|
2564 |
* @note Other remaining configurations items related to Irda Mode |
|
2565 |
* (as Baud Rate, Word length, Power mode, ...) should be set using |
|
2566 |
* dedicated functions |
|
2567 |
* @rmtoll CR2 LINEN LL_USART_ConfigIrdaMode\n |
|
2568 |
* CR2 CLKEN LL_USART_ConfigIrdaMode\n |
|
2569 |
* CR2 STOP LL_USART_ConfigIrdaMode\n |
|
2570 |
* CR3 SCEN LL_USART_ConfigIrdaMode\n |
|
2571 |
* CR3 HDSEL LL_USART_ConfigIrdaMode\n |
|
2572 |
* CR3 IREN LL_USART_ConfigIrdaMode |
|
2573 |
* @param USARTx USART Instance |
|
2574 |
* @retval None |
|
2575 |
*/ |
|
2576 |
__STATIC_INLINE void LL_USART_ConfigIrdaMode(USART_TypeDef *USARTx) |
|
2577 |
{ |
|
2578 |
/* In IRDA mode, the following bits must be kept cleared: |
|
2579 |
- LINEN (if LIN feature is supported), STOP and CLKEN bits in the USART_CR2 register, |
|
2580 |
- SCEN (if Smartcard feature is supported) and HDSEL bits in the USART_CR3 register.*/ |
|
2581 |
#if defined(USART_LIN_SUPPORT) |
|
2582 |
CLEAR_BIT(USARTx->CR2, (USART_CR2_LINEN | USART_CR2_CLKEN | USART_CR2_STOP)); |
|
2583 |
#else |
|
2584 |
CLEAR_BIT(USARTx->CR2, (USART_CR2_CLKEN | USART_CR2_STOP)); |
|
2585 |
#endif |
|
2586 |
#if defined(USART_SMARTCARD_SUPPORT) |
|
2587 |
CLEAR_BIT(USARTx->CR3, (USART_CR3_SCEN | USART_CR3_HDSEL)); |
|
2588 |
#else |
|
2589 |
CLEAR_BIT(USARTx->CR3, (USART_CR3_HDSEL)); |
|
2590 |
#endif |
|
2591 |
/* set the UART/USART in IRDA mode */ |
|
2592 |
SET_BIT(USARTx->CR3, USART_CR3_IREN); |
|
2593 |
} |
|
2594 |
#endif |
|
2595 |
|
|
2596 |
/** |
|
2597 |
* @brief Perform basic configuration of USART for enabling use in Multi processor Mode |
|
2598 |
* (several USARTs connected in a network, one of the USARTs can be the master, |
|
2599 |
* its TX output connected to the RX inputs of the other slaves USARTs). |
|
2600 |
* @note In MultiProcessor mode, the following bits must be kept cleared: |
|
2601 |
* - LINEN bit in the USART_CR2 register (if LIN feature is supported), |
|
2602 |
* - CLKEN bit in the USART_CR2 register, |
|
2603 |
* - SCEN bit in the USART_CR3 register (if Smartcard feature is supported), |
|
2604 |
* - IREN bit in the USART_CR3 register (if Irda feature is supported), |
|
2605 |
* - HDSEL bit in the USART_CR3 register. |
|
2606 |
* @note Call of this function is equivalent to following function call sequence : |
|
2607 |
* - Clear LINEN in CR2 using @ref LL_USART_DisableLIN() function (if LIN feature is supported) |
|
2608 |
* - Clear CLKEN in CR2 using @ref LL_USART_DisableSCLKOutput() function |
|
2609 |
* - Clear SCEN in CR3 using @ref LL_USART_DisableSmartcard() function (if Smartcard feature is supported) |
|
2610 |
* - Clear IREN in CR3 using @ref LL_USART_DisableIrda() function (if Irda feature is supported) |
|
2611 |
* - Clear HDSEL in CR3 using @ref LL_USART_DisableHalfDuplex() function |
|
2612 |
* @note Other remaining configurations items related to Multi processor Mode |
|
2613 |
* (as Baud Rate, Wake Up Method, Node address, ...) should be set using |
|
2614 |
* dedicated functions |
|
2615 |
* @rmtoll CR2 LINEN LL_USART_ConfigMultiProcessMode\n |
|
2616 |
* CR2 CLKEN LL_USART_ConfigMultiProcessMode\n |
|
2617 |
* CR3 SCEN LL_USART_ConfigMultiProcessMode\n |
|
2618 |
* CR3 HDSEL LL_USART_ConfigMultiProcessMode\n |
|
2619 |
* CR3 IREN LL_USART_ConfigMultiProcessMode |
|
2620 |
* @param USARTx USART Instance |
|
2621 |
* @retval None |
|
2622 |
*/ |
|
2623 |
__STATIC_INLINE void LL_USART_ConfigMultiProcessMode(USART_TypeDef *USARTx) |
|
2624 |
{ |
|
2625 |
/* In Multi Processor mode, the following bits must be kept cleared: |
|
2626 |
- LINEN (if LIN feature is supported) and CLKEN bits in the USART_CR2 register, |
|
2627 |
- IREN (if Irda feature is supported), SCEN (if Smartcard feature is supported) and HDSEL bits in the USART_CR3 register.*/ |
|
2628 |
#if defined(USART_LIN_SUPPORT) |
|
2629 |
CLEAR_BIT(USARTx->CR2, (USART_CR2_LINEN | USART_CR2_CLKEN)); |
|
2630 |
#else |
|
2631 |
CLEAR_BIT(USARTx->CR2, USART_CR2_CLKEN); |
|
2632 |
#endif |
|
2633 |
#if defined(USART_SMARTCARD_SUPPORT) |
|
2634 |
#if defined(USART_IRDA_SUPPORT) |
|
2635 |
CLEAR_BIT(USARTx->CR3, (USART_CR3_SCEN | USART_CR3_HDSEL | USART_CR3_IREN)); |
|
2636 |
#else |
|
2637 |
CLEAR_BIT(USARTx->CR3, (USART_CR3_SCEN | USART_CR3_HDSEL)); |
|
2638 |
#endif |
|
2639 |
#else |
|
2640 |
#if defined(USART_IRDA_SUPPORT) |
|
2641 |
CLEAR_BIT(USARTx->CR3, (USART_CR3_HDSEL | USART_CR3_IREN)); |
|
2642 |
#else |
|
2643 |
CLEAR_BIT(USARTx->CR3, (USART_CR3_HDSEL)); |
|
2644 |
#endif |
|
2645 |
#endif |
|
2646 |
} |
|
2647 |
|
|
2648 |
/** |
|
2649 |
* @} |
|
2650 |
*/ |
|
2651 |
|
|
2652 |
/** @defgroup USART_LL_EF_FLAG_Management FLAG_Management |
|
2653 |
* @{ |
|
2654 |
*/ |
|
2655 |
|
|
2656 |
/** |
|
2657 |
* @brief Check if the USART Parity Error Flag is set or not |
|
2658 |
* @rmtoll ISR PE LL_USART_IsActiveFlag_PE |
|
2659 |
* @param USARTx USART Instance |
|
2660 |
* @retval State of bit (1 or 0). |
|
2661 |
*/ |
|
2662 |
__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_PE(USART_TypeDef *USARTx) |
|
2663 |
{ |
|
2664 |
return (READ_BIT(USARTx->ISR, USART_ISR_PE) == (USART_ISR_PE)); |
|
2665 |
} |
|
2666 |
|
|
2667 |
/** |
|
2668 |
* @brief Check if the USART Framing Error Flag is set or not |
|
2669 |
* @rmtoll ISR FE LL_USART_IsActiveFlag_FE |
|
2670 |
* @param USARTx USART Instance |
|
2671 |
* @retval State of bit (1 or 0). |
|
2672 |
*/ |
|
2673 |
__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_FE(USART_TypeDef *USARTx) |
|
2674 |
{ |
|
2675 |
return (READ_BIT(USARTx->ISR, USART_ISR_FE) == (USART_ISR_FE)); |
|
2676 |
} |
|
2677 |
|
|
2678 |
/** |
|
2679 |
* @brief Check if the USART Noise error detected Flag is set or not |
|
2680 |
* @rmtoll ISR NF LL_USART_IsActiveFlag_NE |
|
2681 |
* @param USARTx USART Instance |
|
2682 |
* @retval State of bit (1 or 0). |
|
2683 |
*/ |
|
2684 |
__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_NE(USART_TypeDef *USARTx) |
|
2685 |
{ |
|
2686 |
return (READ_BIT(USARTx->ISR, USART_ISR_NE) == (USART_ISR_NE)); |
|
2687 |
} |
|
2688 |
|
|
2689 |
/** |
|
2690 |
* @brief Check if the USART OverRun Error Flag is set or not |
|
2691 |
* @rmtoll ISR ORE LL_USART_IsActiveFlag_ORE |
|
2692 |
* @param USARTx USART Instance |
|
2693 |
* @retval State of bit (1 or 0). |
|
2694 |
*/ |
|
2695 |
__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_ORE(USART_TypeDef *USARTx) |
|
2696 |
{ |
|
2697 |
return (READ_BIT(USARTx->ISR, USART_ISR_ORE) == (USART_ISR_ORE)); |
|
2698 |
} |
|
2699 |
|
|
2700 |
/** |
|
2701 |
* @brief Check if the USART IDLE line detected Flag is set or not |
|
2702 |
* @rmtoll ISR IDLE LL_USART_IsActiveFlag_IDLE |
|
2703 |
* @param USARTx USART Instance |
|
2704 |
* @retval State of bit (1 or 0). |
|
2705 |
*/ |
|
2706 |
__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_IDLE(USART_TypeDef *USARTx) |
|
2707 |
{ |
|
2708 |
return (READ_BIT(USARTx->ISR, USART_ISR_IDLE) == (USART_ISR_IDLE)); |
|
2709 |
} |
|
2710 |
|
|
2711 |
/** |
|
2712 |
* @brief Check if the USART Read Data Register Not Empty Flag is set or not |
|
2713 |
* @rmtoll ISR RXNE LL_USART_IsActiveFlag_RXNE |
|
2714 |
* @param USARTx USART Instance |
|
2715 |
* @retval State of bit (1 or 0). |
|
2716 |
*/ |
|
2717 |
__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_RXNE(USART_TypeDef *USARTx) |
|
2718 |
{ |
|
2719 |
return (READ_BIT(USARTx->ISR, USART_ISR_RXNE) == (USART_ISR_RXNE)); |
|
2720 |
} |
|
2721 |
|
|
2722 |
/** |
|
2723 |
* @brief Check if the USART Transmission Complete Flag is set or not |
|
2724 |
* @rmtoll ISR TC LL_USART_IsActiveFlag_TC |
|
2725 |
* @param USARTx USART Instance |
|
2726 |
* @retval State of bit (1 or 0). |
|
2727 |
*/ |
|
2728 |
__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_TC(USART_TypeDef *USARTx) |
|
2729 |
{ |
|
2730 |
return (READ_BIT(USARTx->ISR, USART_ISR_TC) == (USART_ISR_TC)); |
|
2731 |
} |
|
2732 |
|
|
2733 |
/** |
|
2734 |
* @brief Check if the USART Transmit Data Register Empty Flag is set or not |
|
2735 |
* @rmtoll ISR TXE LL_USART_IsActiveFlag_TXE |
|
2736 |
* @param USARTx USART Instance |
|
2737 |
* @retval State of bit (1 or 0). |
|
2738 |
*/ |
|
2739 |
__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_TXE(USART_TypeDef *USARTx) |
|
2740 |
{ |
|
2741 |
return (READ_BIT(USARTx->ISR, USART_ISR_TXE) == (USART_ISR_TXE)); |
|
2742 |
} |
|
2743 |
|
|
2744 |
#if defined(USART_LIN_SUPPORT) |
|
2745 |
/** |
|
2746 |
* @brief Check if the USART LIN Break Detection Flag is set or not |
|
2747 |
* @note Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not |
|
2748 |
* LIN feature is supported by the USARTx instance. |
|
2749 |
* @rmtoll ISR LBDF LL_USART_IsActiveFlag_LBD |
|
2750 |
* @param USARTx USART Instance |
|
2751 |
* @retval State of bit (1 or 0). |
|
2752 |
*/ |
|
2753 |
__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_LBD(USART_TypeDef *USARTx) |
|
2754 |
{ |
|
2755 |
return (READ_BIT(USARTx->ISR, USART_ISR_LBDF) == (USART_ISR_LBDF)); |
|
2756 |
} |
|
2757 |
#endif |
|
2758 |
|
|
2759 |
/** |
|
2760 |
* @brief Check if the USART CTS interrupt Flag is set or not |
|
2761 |
* @note Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not |
|
2762 |
* Hardware Flow control feature is supported by the USARTx instance. |
|
2763 |
* @rmtoll ISR CTSIF LL_USART_IsActiveFlag_nCTS |
|
2764 |
* @param USARTx USART Instance |
|
2765 |
* @retval State of bit (1 or 0). |
|
2766 |
*/ |
|
2767 |
__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_nCTS(USART_TypeDef *USARTx) |
|
2768 |
{ |
|
2769 |
return (READ_BIT(USARTx->ISR, USART_ISR_CTSIF) == (USART_ISR_CTSIF)); |
|
2770 |
} |
|
2771 |
|
|
2772 |
/** |
|
2773 |
* @brief Check if the USART CTS Flag is set or not |
|
2774 |
* @note Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not |
|
2775 |
* Hardware Flow control feature is supported by the USARTx instance. |
|
2776 |
* @rmtoll ISR CTS LL_USART_IsActiveFlag_CTS |
|
2777 |
* @param USARTx USART Instance |
|
2778 |
* @retval State of bit (1 or 0). |
|
2779 |
*/ |
|
2780 |
__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_CTS(USART_TypeDef *USARTx) |
|
2781 |
{ |
|
2782 |
return (READ_BIT(USARTx->ISR, USART_ISR_CTS) == (USART_ISR_CTS)); |
|
2783 |
} |
|
2784 |
|
|
2785 |
/** |
|
2786 |
* @brief Check if the USART Receiver Time Out Flag is set or not |
|
2787 |
* @rmtoll ISR RTOF LL_USART_IsActiveFlag_RTO |
|
2788 |
* @param USARTx USART Instance |
|
2789 |
* @retval State of bit (1 or 0). |
|
2790 |
*/ |
|
2791 |
__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_RTO(USART_TypeDef *USARTx) |
|
2792 |
{ |
|
2793 |
return (READ_BIT(USARTx->ISR, USART_ISR_RTOF) == (USART_ISR_RTOF)); |
|
2794 |
} |
|
2795 |
|
|
2796 |
#if defined(USART_SMARTCARD_SUPPORT) |
|
2797 |
/** |
|
2798 |
* @brief Check if the USART End Of Block Flag is set or not |
|
2799 |
* @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not |
|
2800 |
* Smartcard feature is supported by the USARTx instance. |
|
2801 |
* @rmtoll ISR EOBF LL_USART_IsActiveFlag_EOB |
|
2802 |
* @param USARTx USART Instance |
|
2803 |
* @retval State of bit (1 or 0). |
|
2804 |
*/ |
|
2805 |
__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_EOB(USART_TypeDef *USARTx) |
|
2806 |
{ |
|
2807 |
return (READ_BIT(USARTx->ISR, USART_ISR_EOBF) == (USART_ISR_EOBF)); |
|
2808 |
} |
|
2809 |
#endif |
|
2810 |
|
|
2811 |
/** |
|
2812 |
* @brief Check if the USART Auto-Baud Rate Error Flag is set or not |
|
2813 |
* @note Macro @ref IS_USART_AUTOBAUDRATE_DETECTION_INSTANCE(USARTx) can be used to check whether or not |
|
2814 |
* Auto Baud Rate detection feature is supported by the USARTx instance. |
|
2815 |
* @rmtoll ISR ABRE LL_USART_IsActiveFlag_ABRE |
|
2816 |
* @param USARTx USART Instance |
|
2817 |
* @retval State of bit (1 or 0). |
|
2818 |
*/ |
|
2819 |
__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_ABRE(USART_TypeDef *USARTx) |
|
2820 |
{ |
|
2821 |
return (READ_BIT(USARTx->ISR, USART_ISR_ABRE) == (USART_ISR_ABRE)); |
|
2822 |
} |
|
2823 |
|
|
2824 |
/** |
|
2825 |
* @brief Check if the USART Auto-Baud Rate Flag is set or not |
|
2826 |
* @note Macro @ref IS_USART_AUTOBAUDRATE_DETECTION_INSTANCE(USARTx) can be used to check whether or not |
|
2827 |
* Auto Baud Rate detection feature is supported by the USARTx instance. |
|
2828 |
* @rmtoll ISR ABRF LL_USART_IsActiveFlag_ABR |
|
2829 |
* @param USARTx USART Instance |
|
2830 |
* @retval State of bit (1 or 0). |
|
2831 |
*/ |
|
2832 |
__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_ABR(USART_TypeDef *USARTx) |
|
2833 |
{ |
|
2834 |
return (READ_BIT(USARTx->ISR, USART_ISR_ABRF) == (USART_ISR_ABRF)); |
|
2835 |
} |
|
2836 |
|
|
2837 |
/** |
|
2838 |
* @brief Check if the USART Busy Flag is set or not |
|
2839 |
* @rmtoll ISR BUSY LL_USART_IsActiveFlag_BUSY |
|
2840 |
* @param USARTx USART Instance |
|
2841 |
* @retval State of bit (1 or 0). |
|
2842 |
*/ |
|
2843 |
__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_BUSY(USART_TypeDef *USARTx) |
|
2844 |
{ |
|
2845 |
return (READ_BIT(USARTx->ISR, USART_ISR_BUSY) == (USART_ISR_BUSY)); |
|
2846 |
} |
|
2847 |
|
|
2848 |
/** |
|
2849 |
* @brief Check if the USART Character Match Flag is set or not |
|
2850 |
* @rmtoll ISR CMF LL_USART_IsActiveFlag_CM |
|
2851 |
* @param USARTx USART Instance |
|
2852 |
* @retval State of bit (1 or 0). |
|
2853 |
*/ |
|
2854 |
__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_CM(USART_TypeDef *USARTx) |
|
2855 |
{ |
|
2856 |
return (READ_BIT(USARTx->ISR, USART_ISR_CMF) == (USART_ISR_CMF)); |
|
2857 |
} |
|
2858 |
|
|
2859 |
/** |
|
2860 |
* @brief Check if the USART Send Break Flag is set or not |
|
2861 |
* @rmtoll ISR SBKF LL_USART_IsActiveFlag_SBK |
|
2862 |
* @param USARTx USART Instance |
|
2863 |
* @retval State of bit (1 or 0). |
|
2864 |
*/ |
|
2865 |
__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_SBK(USART_TypeDef *USARTx) |
|
2866 |
{ |
|
2867 |
return (READ_BIT(USARTx->ISR, USART_ISR_SBKF) == (USART_ISR_SBKF)); |
|
2868 |
} |
|
2869 |
|
|
2870 |
/** |
|
2871 |
* @brief Check if the USART Receive Wake Up from mute mode Flag is set or not |
|
2872 |
* @rmtoll ISR RWU LL_USART_IsActiveFlag_RWU |
|
2873 |
* @param USARTx USART Instance |
|
2874 |
* @retval State of bit (1 or 0). |
|
2875 |
*/ |
|
2876 |
__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_RWU(USART_TypeDef *USARTx) |
|
2877 |
{ |
|
2878 |
return (READ_BIT(USARTx->ISR, USART_ISR_RWU) == (USART_ISR_RWU)); |
|
2879 |
} |
|
2880 |
|
|
2881 |
#if defined(USART_WUSM_SUPPORT) |
|
2882 |
/** |
|
2883 |
* @brief Check if the USART Wake Up from stop mode Flag is set or not |
|
2884 |
* @note Macro @ref IS_UART_WAKEUP_FROMSTOP_INSTANCE(USARTx) can be used to check whether or not |
|
2885 |
* Wake-up from Stop mode feature is supported by the USARTx instance. |
|
2886 |
* @rmtoll ISR WUF LL_USART_IsActiveFlag_WKUP |
|
2887 |
* @param USARTx USART Instance |
|
2888 |
* @retval State of bit (1 or 0). |
|
2889 |
*/ |
|
2890 |
__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_WKUP(USART_TypeDef *USARTx) |
|
2891 |
{ |
|
2892 |
return (READ_BIT(USARTx->ISR, USART_ISR_WUF) == (USART_ISR_WUF)); |
|
2893 |
} |
|
2894 |
#endif |
|
2895 |
|
|
2896 |
/** |
|
2897 |
* @brief Check if the USART Transmit Enable Acknowledge Flag is set or not |
|
2898 |
* @rmtoll ISR TEACK LL_USART_IsActiveFlag_TEACK |
|
2899 |
* @param USARTx USART Instance |
|
2900 |
* @retval State of bit (1 or 0). |
|
2901 |
*/ |
|
2902 |
__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_TEACK(USART_TypeDef *USARTx) |
|
2903 |
{ |
|
2904 |
return (READ_BIT(USARTx->ISR, USART_ISR_TEACK) == (USART_ISR_TEACK)); |
|
2905 |
} |
|
2906 |
|
|
2907 |
/** |
|
2908 |
* @brief Check if the USART Receive Enable Acknowledge Flag is set or not |
|
2909 |
* @rmtoll ISR REACK LL_USART_IsActiveFlag_REACK |
|
2910 |
* @param USARTx USART Instance |
|
2911 |
* @retval State of bit (1 or 0). |
|
2912 |
*/ |
|
2913 |
__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_REACK(USART_TypeDef *USARTx) |
|
2914 |
{ |
|
2915 |
return (READ_BIT(USARTx->ISR, USART_ISR_REACK) == (USART_ISR_REACK)); |
|
2916 |
} |
|
2917 |
|
|
2918 |
|
|
2919 |
/** |
|
2920 |
* @brief Clear Parity Error Flag |
|
2921 |
* @rmtoll ICR PECF LL_USART_ClearFlag_PE |
|
2922 |
* @param USARTx USART Instance |
|
2923 |
* @retval None |
|
2924 |
*/ |
|
2925 |
__STATIC_INLINE void LL_USART_ClearFlag_PE(USART_TypeDef *USARTx) |
|
2926 |
{ |
|
2927 |
WRITE_REG(USARTx->ICR, USART_ICR_PECF); |
|
2928 |
} |
|
2929 |
|
|
2930 |
/** |
|
2931 |
* @brief Clear Framing Error Flag |
|
2932 |
* @rmtoll ICR FECF LL_USART_ClearFlag_FE |
|
2933 |
* @param USARTx USART Instance |
|
2934 |
* @retval None |
|
2935 |
*/ |
|
2936 |
__STATIC_INLINE void LL_USART_ClearFlag_FE(USART_TypeDef *USARTx) |
|
2937 |
{ |
|
2938 |
WRITE_REG(USARTx->ICR, USART_ICR_FECF); |
|
2939 |
} |
|
2940 |
|
|
2941 |
/** |
|
2942 |
* @brief Clear Noise detected Flag |
|
2943 |
* @rmtoll ICR NCF LL_USART_ClearFlag_NE |
|
2944 |
* @param USARTx USART Instance |
|
2945 |
* @retval None |
|
2946 |
*/ |
|
2947 |
__STATIC_INLINE void LL_USART_ClearFlag_NE(USART_TypeDef *USARTx) |
|
2948 |
{ |
|
2949 |
WRITE_REG(USARTx->ICR, USART_ICR_NCF); |
|
2950 |
} |
|
2951 |
|
|
2952 |
/** |
|
2953 |
* @brief Clear OverRun Error Flag |
|
2954 |
* @rmtoll ICR ORECF LL_USART_ClearFlag_ORE |
|
2955 |
* @param USARTx USART Instance |
|
2956 |
* @retval None |
|
2957 |
*/ |
|
2958 |
__STATIC_INLINE void LL_USART_ClearFlag_ORE(USART_TypeDef *USARTx) |
|
2959 |
{ |
|
2960 |
WRITE_REG(USARTx->ICR, USART_ICR_ORECF); |
|
2961 |
} |
|
2962 |
|
|
2963 |
/** |
|
2964 |
* @brief Clear IDLE line detected Flag |
|
2965 |
* @rmtoll ICR IDLECF LL_USART_ClearFlag_IDLE |
|
2966 |
* @param USARTx USART Instance |
|
2967 |
* @retval None |
|
2968 |
*/ |
|
2969 |
__STATIC_INLINE void LL_USART_ClearFlag_IDLE(USART_TypeDef *USARTx) |
|
2970 |
{ |
|
2971 |
WRITE_REG(USARTx->ICR, USART_ICR_IDLECF); |
|
2972 |
} |
|
2973 |
|
|
2974 |
/** |
|
2975 |
* @brief Clear Transmission Complete Flag |
|
2976 |
* @rmtoll ICR TCCF LL_USART_ClearFlag_TC |
|
2977 |
* @param USARTx USART Instance |
|
2978 |
* @retval None |
|
2979 |
*/ |
|
2980 |
__STATIC_INLINE void LL_USART_ClearFlag_TC(USART_TypeDef *USARTx) |
|
2981 |
{ |
|
2982 |
WRITE_REG(USARTx->ICR, USART_ICR_TCCF); |
|
2983 |
} |
|
2984 |
|
|
2985 |
|
|
2986 |
#if defined(USART_LIN_SUPPORT) |
|
2987 |
/** |
|
2988 |
* @brief Clear LIN Break Detection Flag |
|
2989 |
* @note Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not |
|
2990 |
* LIN feature is supported by the USARTx instance. |
|
2991 |
* @rmtoll ICR LBDCF LL_USART_ClearFlag_LBD |
|
2992 |
* @param USARTx USART Instance |
|
2993 |
* @retval None |
|
2994 |
*/ |
|
2995 |
__STATIC_INLINE void LL_USART_ClearFlag_LBD(USART_TypeDef *USARTx) |
|
2996 |
{ |
|
2997 |
WRITE_REG(USARTx->ICR, USART_ICR_LBDCF); |
|
2998 |
} |
|
2999 |
#endif |
|
3000 |
|
|
3001 |
/** |
|
3002 |
* @brief Clear CTS Interrupt Flag |
|
3003 |
* @note Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not |
|
3004 |
* Hardware Flow control feature is supported by the USARTx instance. |
|
3005 |
* @rmtoll ICR CTSCF LL_USART_ClearFlag_nCTS |
|
3006 |
* @param USARTx USART Instance |
|
3007 |
* @retval None |
|
3008 |
*/ |
|
3009 |
__STATIC_INLINE void LL_USART_ClearFlag_nCTS(USART_TypeDef *USARTx) |
|
3010 |
{ |
|
3011 |
WRITE_REG(USARTx->ICR, USART_ICR_CTSCF); |
|
3012 |
} |
|
3013 |
|
|
3014 |
/** |
|
3015 |
* @brief Clear Receiver Time Out Flag |
|
3016 |
* @rmtoll ICR RTOCF LL_USART_ClearFlag_RTO |
|
3017 |
* @param USARTx USART Instance |
|
3018 |
* @retval None |
|
3019 |
*/ |
|
3020 |
__STATIC_INLINE void LL_USART_ClearFlag_RTO(USART_TypeDef *USARTx) |
|
3021 |
{ |
|
3022 |
WRITE_REG(USARTx->ICR, USART_ICR_RTOCF); |
|
3023 |
} |
|
3024 |
|
|
3025 |
#if defined(USART_SMARTCARD_SUPPORT) |
|
3026 |
/** |
|
3027 |
* @brief Clear End Of Block Flag |
|
3028 |
* @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not |
|
3029 |
* Smartcard feature is supported by the USARTx instance. |
|
3030 |
* @rmtoll ICR EOBCF LL_USART_ClearFlag_EOB |
|
3031 |
* @param USARTx USART Instance |
|
3032 |
* @retval None |
|
3033 |
*/ |
|
3034 |
__STATIC_INLINE void LL_USART_ClearFlag_EOB(USART_TypeDef *USARTx) |
|
3035 |
{ |
|
3036 |
WRITE_REG(USARTx->ICR, USART_ICR_EOBCF); |
|
3037 |
} |
|
3038 |
#endif |
|
3039 |
|
|
3040 |
/** |
|
3041 |
* @brief Clear Character Match Flag |
|
3042 |
* @rmtoll ICR CMCF LL_USART_ClearFlag_CM |
|
3043 |
* @param USARTx USART Instance |
|
3044 |
* @retval None |
|
3045 |
*/ |
|
3046 |
__STATIC_INLINE void LL_USART_ClearFlag_CM(USART_TypeDef *USARTx) |
|
3047 |
{ |
|
3048 |
WRITE_REG(USARTx->ICR, USART_ICR_CMCF); |
|
3049 |
} |
|
3050 |
|
|
3051 |
#if defined(USART_WUSM_SUPPORT) |
|
3052 |
/** |
|
3053 |
* @brief Clear Wake Up from stop mode Flag |
|
3054 |
* @note Macro @ref IS_UART_WAKEUP_FROMSTOP_INSTANCE(USARTx) can be used to check whether or not |
|
3055 |
* Wake-up from Stop mode feature is supported by the USARTx instance. |
|
3056 |
* @rmtoll ICR WUCF LL_USART_ClearFlag_WKUP |
|
3057 |
* @param USARTx USART Instance |
|
3058 |
* @retval None |
|
3059 |
*/ |
|
3060 |
__STATIC_INLINE void LL_USART_ClearFlag_WKUP(USART_TypeDef *USARTx) |
|
3061 |
{ |
|
3062 |
WRITE_REG(USARTx->ICR, USART_ICR_WUCF); |
|
3063 |
} |
|
3064 |
#endif |
|
3065 |
|
|
3066 |
/** |
|
3067 |
* @} |
|
3068 |
*/ |
|
3069 |
|
|
3070 |
/** @defgroup USART_LL_EF_IT_Management IT_Management |
|
3071 |
* @{ |
|
3072 |
*/ |
|
3073 |
|
|
3074 |
/** |
|
3075 |
* @brief Enable IDLE Interrupt |
|
3076 |
* @rmtoll CR1 IDLEIE LL_USART_EnableIT_IDLE |
|
3077 |
* @param USARTx USART Instance |
|
3078 |
* @retval None |
|
3079 |
*/ |
|
3080 |
__STATIC_INLINE void LL_USART_EnableIT_IDLE(USART_TypeDef *USARTx) |
|
3081 |
{ |
|
3082 |
SET_BIT(USARTx->CR1, USART_CR1_IDLEIE); |
|
3083 |
} |
|
3084 |
|
|
3085 |
/** |
|
3086 |
* @brief Enable RX Not Empty Interrupt |
|
3087 |
* @rmtoll CR1 RXNEIE LL_USART_EnableIT_RXNE |
|
3088 |
* @param USARTx USART Instance |
|
3089 |
* @retval None |
|
3090 |
*/ |
|
3091 |
__STATIC_INLINE void LL_USART_EnableIT_RXNE(USART_TypeDef *USARTx) |
|
3092 |
{ |
|
3093 |
SET_BIT(USARTx->CR1, USART_CR1_RXNEIE); |
|
3094 |
} |
|
3095 |
|
|
3096 |
/** |
|
3097 |
* @brief Enable Transmission Complete Interrupt |
|
3098 |
* @rmtoll CR1 TCIE LL_USART_EnableIT_TC |
|
3099 |
* @param USARTx USART Instance |
|
3100 |
* @retval None |
|
3101 |
*/ |
|
3102 |
__STATIC_INLINE void LL_USART_EnableIT_TC(USART_TypeDef *USARTx) |
|
3103 |
{ |
|
3104 |
SET_BIT(USARTx->CR1, USART_CR1_TCIE); |
|
3105 |
} |
|
3106 |
|
|
3107 |
/** |
|
3108 |
* @brief Enable TX Empty Interrupt |
|
3109 |
* @rmtoll CR1 TXEIE LL_USART_EnableIT_TXE |
|
3110 |
* @param USARTx USART Instance |
|
3111 |
* @retval None |
|
3112 |
*/ |
|
3113 |
__STATIC_INLINE void LL_USART_EnableIT_TXE(USART_TypeDef *USARTx) |
|
3114 |
{ |
|
3115 |
SET_BIT(USARTx->CR1, USART_CR1_TXEIE); |
|
3116 |
} |
|
3117 |
|
|
3118 |
/** |
|
3119 |
* @brief Enable Parity Error Interrupt |
|
3120 |
* @rmtoll CR1 PEIE LL_USART_EnableIT_PE |
|
3121 |
* @param USARTx USART Instance |
|
3122 |
* @retval None |
|
3123 |
*/ |
|
3124 |
__STATIC_INLINE void LL_USART_EnableIT_PE(USART_TypeDef *USARTx) |
|
3125 |
{ |
|
3126 |
SET_BIT(USARTx->CR1, USART_CR1_PEIE); |
|
3127 |
} |
|
3128 |
|
|
3129 |
/** |
|
3130 |
* @brief Enable Character Match Interrupt |
|
3131 |
* @rmtoll CR1 CMIE LL_USART_EnableIT_CM |
|
3132 |
* @param USARTx USART Instance |
|
3133 |
* @retval None |
|
3134 |
*/ |
|
3135 |
__STATIC_INLINE void LL_USART_EnableIT_CM(USART_TypeDef *USARTx) |
|
3136 |
{ |
|
3137 |
SET_BIT(USARTx->CR1, USART_CR1_CMIE); |
|
3138 |
} |
|
3139 |
|
|
3140 |
/** |
|
3141 |
* @brief Enable Receiver Timeout Interrupt |
|
3142 |
* @rmtoll CR1 RTOIE LL_USART_EnableIT_RTO |
|
3143 |
* @param USARTx USART Instance |
|
3144 |
* @retval None |
|
3145 |
*/ |
|
3146 |
__STATIC_INLINE void LL_USART_EnableIT_RTO(USART_TypeDef *USARTx) |
|
3147 |
{ |
|
3148 |
SET_BIT(USARTx->CR1, USART_CR1_RTOIE); |
|
3149 |
} |
|
3150 |
|
|
3151 |
#if defined(USART_SMARTCARD_SUPPORT) |
|
3152 |
/** |
|
3153 |
* @brief Enable End Of Block Interrupt |
|
3154 |
* @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not |
|
3155 |
* Smartcard feature is supported by the USARTx instance. |
|
3156 |
* @rmtoll CR1 EOBIE LL_USART_EnableIT_EOB |
|
3157 |
* @param USARTx USART Instance |
|
3158 |
* @retval None |
|
3159 |
*/ |
|
3160 |
__STATIC_INLINE void LL_USART_EnableIT_EOB(USART_TypeDef *USARTx) |
|
3161 |
{ |
|
3162 |
SET_BIT(USARTx->CR1, USART_CR1_EOBIE); |
|
3163 |
} |
|
3164 |
#endif |
|
3165 |
|
|
3166 |
#if defined(USART_LIN_SUPPORT) |
|
3167 |
/** |
|
3168 |
* @brief Enable LIN Break Detection Interrupt |
|
3169 |
* @note Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not |
|
3170 |
* LIN feature is supported by the USARTx instance. |
|
3171 |
* @rmtoll CR2 LBDIE LL_USART_EnableIT_LBD |
|
3172 |
* @param USARTx USART Instance |
|
3173 |
* @retval None |
|
3174 |
*/ |
|
3175 |
__STATIC_INLINE void LL_USART_EnableIT_LBD(USART_TypeDef *USARTx) |
|
3176 |
{ |
|
3177 |
SET_BIT(USARTx->CR2, USART_CR2_LBDIE); |
|
3178 |
} |
|
3179 |
#endif |
|
3180 |
|
|
3181 |
/** |
|
3182 |
* @brief Enable Error Interrupt |
|
3183 |
* @note When set, Error Interrupt Enable Bit is enabling interrupt generation in case of a framing |
|
3184 |
* error, overrun error or noise flag (FE=1 or ORE=1 or NF=1 in the USARTx_ISR register). |
|
3185 |
* 0: Interrupt is inhibited |
|
3186 |
* 1: An interrupt is generated when FE=1 or ORE=1 or NF=1 in the USARTx_ISR register. |
|
3187 |
* @rmtoll CR3 EIE LL_USART_EnableIT_ERROR |
|
3188 |
* @param USARTx USART Instance |
|
3189 |
* @retval None |
|
3190 |
*/ |
|
3191 |
__STATIC_INLINE void LL_USART_EnableIT_ERROR(USART_TypeDef *USARTx) |
|
3192 |
{ |
|
3193 |
SET_BIT(USARTx->CR3, USART_CR3_EIE); |
|
3194 |
} |
|
3195 |
|
|
3196 |
/** |
|
3197 |
* @brief Enable CTS Interrupt |
|
3198 |
* @note Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not |
|
3199 |
* Hardware Flow control feature is supported by the USARTx instance. |
|
3200 |
* @rmtoll CR3 CTSIE LL_USART_EnableIT_CTS |
|
3201 |
* @param USARTx USART Instance |
|
3202 |
* @retval None |
|
3203 |
*/ |
|
3204 |
__STATIC_INLINE void LL_USART_EnableIT_CTS(USART_TypeDef *USARTx) |
|
3205 |
{ |
|
3206 |
SET_BIT(USARTx->CR3, USART_CR3_CTSIE); |
|
3207 |
} |
|
3208 |
|
|
3209 |
#if defined(USART_WUSM_SUPPORT) |
|
3210 |
/** |
|
3211 |
* @brief Enable Wake Up from Stop Mode Interrupt |
|
3212 |
* @note Macro @ref IS_UART_WAKEUP_FROMSTOP_INSTANCE(USARTx) can be used to check whether or not |
|
3213 |
* Wake-up from Stop mode feature is supported by the USARTx instance. |
|
3214 |
* @rmtoll CR3 WUFIE LL_USART_EnableIT_WKUP |
|
3215 |
* @param USARTx USART Instance |
|
3216 |
* @retval None |
|
3217 |
*/ |
|
3218 |
__STATIC_INLINE void LL_USART_EnableIT_WKUP(USART_TypeDef *USARTx) |
|
3219 |
{ |
|
3220 |
SET_BIT(USARTx->CR3, USART_CR3_WUFIE); |
|
3221 |
} |
|
3222 |
#endif |
|
3223 |
|
|
3224 |
|
|
3225 |
/** |
|
3226 |
* @brief Disable IDLE Interrupt |
|
3227 |
* @rmtoll CR1 IDLEIE LL_USART_DisableIT_IDLE |
|
3228 |
* @param USARTx USART Instance |
|
3229 |
* @retval None |
|
3230 |
*/ |
|
3231 |
__STATIC_INLINE void LL_USART_DisableIT_IDLE(USART_TypeDef *USARTx) |
|
3232 |
{ |
|
3233 |
CLEAR_BIT(USARTx->CR1, USART_CR1_IDLEIE); |
|
3234 |
} |
|
3235 |
|
|
3236 |
/** |
|
3237 |
* @brief Disable RX Not Empty Interrupt |
|
3238 |
* @rmtoll CR1 RXNEIE LL_USART_DisableIT_RXNE |
|
3239 |
* @param USARTx USART Instance |
|
3240 |
* @retval None |
|
3241 |
*/ |
|
3242 |
__STATIC_INLINE void LL_USART_DisableIT_RXNE(USART_TypeDef *USARTx) |
|
3243 |
{ |
|
3244 |
CLEAR_BIT(USARTx->CR1, USART_CR1_RXNEIE); |
|
3245 |
} |
|
3246 |
|
|
3247 |
/** |
|
3248 |
* @brief Disable Transmission Complete Interrupt |
|
3249 |
* @rmtoll CR1 TCIE LL_USART_DisableIT_TC |
|
3250 |
* @param USARTx USART Instance |
|
3251 |
* @retval None |
|
3252 |
*/ |
|
3253 |
__STATIC_INLINE void LL_USART_DisableIT_TC(USART_TypeDef *USARTx) |
|
3254 |
{ |
|
3255 |
CLEAR_BIT(USARTx->CR1, USART_CR1_TCIE); |
|
3256 |
} |
|
3257 |
|
|
3258 |
/** |
|
3259 |
* @brief Disable TX Empty Interrupt |
|
3260 |
* @rmtoll CR1 TXEIE LL_USART_DisableIT_TXE |
|
3261 |
* @param USARTx USART Instance |
|
3262 |
* @retval None |
|
3263 |
*/ |
|
3264 |
__STATIC_INLINE void LL_USART_DisableIT_TXE(USART_TypeDef *USARTx) |
|
3265 |
{ |
|
3266 |
CLEAR_BIT(USARTx->CR1, USART_CR1_TXEIE); |
|
3267 |
} |
|
3268 |
|
|
3269 |
/** |
|
3270 |
* @brief Disable Parity Error Interrupt |
|
3271 |
* @rmtoll CR1 PEIE LL_USART_DisableIT_PE |
|
3272 |
* @param USARTx USART Instance |
|
3273 |
* @retval None |
|
3274 |
*/ |
|
3275 |
__STATIC_INLINE void LL_USART_DisableIT_PE(USART_TypeDef *USARTx) |
|
3276 |
{ |
|
3277 |
CLEAR_BIT(USARTx->CR1, USART_CR1_PEIE); |
|
3278 |
} |
|
3279 |
|
|
3280 |
/** |
|
3281 |
* @brief Disable Character Match Interrupt |
|
3282 |
* @rmtoll CR1 CMIE LL_USART_DisableIT_CM |
|
3283 |
* @param USARTx USART Instance |
|
3284 |
* @retval None |
|
3285 |
*/ |
|
3286 |
__STATIC_INLINE void LL_USART_DisableIT_CM(USART_TypeDef *USARTx) |
|
3287 |
{ |
|
3288 |
CLEAR_BIT(USARTx->CR1, USART_CR1_CMIE); |
|
3289 |
} |
|
3290 |
|
|
3291 |
/** |
|
3292 |
* @brief Disable Receiver Timeout Interrupt |
|
3293 |
* @rmtoll CR1 RTOIE LL_USART_DisableIT_RTO |
|
3294 |
* @param USARTx USART Instance |
|
3295 |
* @retval None |
|
3296 |
*/ |
|
3297 |
__STATIC_INLINE void LL_USART_DisableIT_RTO(USART_TypeDef *USARTx) |
|
3298 |
{ |
|
3299 |
CLEAR_BIT(USARTx->CR1, USART_CR1_RTOIE); |
|
3300 |
} |
|
3301 |
|
|
3302 |
#if defined(USART_SMARTCARD_SUPPORT) |
|
3303 |
/** |
|
3304 |
* @brief Disable End Of Block Interrupt |
|
3305 |
* @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not |
|
3306 |
* Smartcard feature is supported by the USARTx instance. |
|
3307 |
* @rmtoll CR1 EOBIE LL_USART_DisableIT_EOB |
|
3308 |
* @param USARTx USART Instance |
|
3309 |
* @retval None |
|
3310 |
*/ |
|
3311 |
__STATIC_INLINE void LL_USART_DisableIT_EOB(USART_TypeDef *USARTx) |
|
3312 |
{ |
|
3313 |
CLEAR_BIT(USARTx->CR1, USART_CR1_EOBIE); |
|
3314 |
} |
|
3315 |
#endif |
|
3316 |
|
|
3317 |
#if defined(USART_LIN_SUPPORT) |
|
3318 |
/** |
|
3319 |
* @brief Disable LIN Break Detection Interrupt |
|
3320 |
* @note Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not |
|
3321 |
* LIN feature is supported by the USARTx instance. |
|
3322 |
* @rmtoll CR2 LBDIE LL_USART_DisableIT_LBD |
|
3323 |
* @param USARTx USART Instance |
|
3324 |
* @retval None |
|
3325 |
*/ |
|
3326 |
__STATIC_INLINE void LL_USART_DisableIT_LBD(USART_TypeDef *USARTx) |
|
3327 |
{ |
|
3328 |
CLEAR_BIT(USARTx->CR2, USART_CR2_LBDIE); |
|
3329 |
} |
|
3330 |
#endif |
|
3331 |
|
|
3332 |
/** |
|
3333 |
* @brief Disable Error Interrupt |
|
3334 |
* @note When set, Error Interrupt Enable Bit is enabling interrupt generation in case of a framing |
|
3335 |
* error, overrun error or noise flag (FE=1 or ORE=1 or NF=1 in the USARTx_ISR register). |
|
3336 |
* 0: Interrupt is inhibited |
|
3337 |
* 1: An interrupt is generated when FE=1 or ORE=1 or NF=1 in the USARTx_ISR register. |
|
3338 |
* @rmtoll CR3 EIE LL_USART_DisableIT_ERROR |
|
3339 |
* @param USARTx USART Instance |
|
3340 |
* @retval None |
|
3341 |
*/ |
|
3342 |
__STATIC_INLINE void LL_USART_DisableIT_ERROR(USART_TypeDef *USARTx) |
|
3343 |
{ |
|
3344 |
CLEAR_BIT(USARTx->CR3, USART_CR3_EIE); |
|
3345 |
} |
|
3346 |
|
|
3347 |
/** |
|
3348 |
* @brief Disable CTS Interrupt |
|
3349 |
* @note Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not |
|
3350 |
* Hardware Flow control feature is supported by the USARTx instance. |
|
3351 |
* @rmtoll CR3 CTSIE LL_USART_DisableIT_CTS |
|
3352 |
* @param USARTx USART Instance |
|
3353 |
* @retval None |
|
3354 |
*/ |
|
3355 |
__STATIC_INLINE void LL_USART_DisableIT_CTS(USART_TypeDef *USARTx) |
|
3356 |
{ |
|
3357 |
CLEAR_BIT(USARTx->CR3, USART_CR3_CTSIE); |
|
3358 |
} |
|
3359 |
|
|
3360 |
#if defined(USART_WUSM_SUPPORT) |
|
3361 |
/** |
|
3362 |
* @brief Disable Wake Up from Stop Mode Interrupt |
|
3363 |
* @note Macro @ref IS_UART_WAKEUP_FROMSTOP_INSTANCE(USARTx) can be used to check whether or not |
|
3364 |
* Wake-up from Stop mode feature is supported by the USARTx instance. |
|
3365 |
* @rmtoll CR3 WUFIE LL_USART_DisableIT_WKUP |
|
3366 |
* @param USARTx USART Instance |
|
3367 |
* @retval None |
|
3368 |
*/ |
|
3369 |
__STATIC_INLINE void LL_USART_DisableIT_WKUP(USART_TypeDef *USARTx) |
|
3370 |
{ |
|
3371 |
CLEAR_BIT(USARTx->CR3, USART_CR3_WUFIE); |
|
3372 |
} |
|
3373 |
#endif |
|
3374 |
|
|
3375 |
|
|
3376 |
/** |
|
3377 |
* @brief Check if the USART IDLE Interrupt source is enabled or disabled. |
|
3378 |
* @rmtoll CR1 IDLEIE LL_USART_IsEnabledIT_IDLE |
|
3379 |
* @param USARTx USART Instance |
|
3380 |
* @retval State of bit (1 or 0). |
|
3381 |
*/ |
|
3382 |
__STATIC_INLINE uint32_t LL_USART_IsEnabledIT_IDLE(USART_TypeDef *USARTx) |
|
3383 |
{ |
|
3384 |
return (READ_BIT(USARTx->CR1, USART_CR1_IDLEIE) == (USART_CR1_IDLEIE)); |
|
3385 |
} |
|
3386 |
|
|
3387 |
/** |
|
3388 |
* @brief Check if the USART RX Not Empty Interrupt is enabled or disabled. |
|
3389 |
* @rmtoll CR1 RXNEIE LL_USART_IsEnabledIT_RXNE |
|
3390 |
* @param USARTx USART Instance |
|
3391 |
* @retval State of bit (1 or 0). |
|
3392 |
*/ |
|
3393 |
__STATIC_INLINE uint32_t LL_USART_IsEnabledIT_RXNE(USART_TypeDef *USARTx) |
|
3394 |
{ |
|
3395 |
return (READ_BIT(USARTx->CR1, USART_CR1_RXNEIE) == (USART_CR1_RXNEIE)); |
|
3396 |
} |
|
3397 |
|
|
3398 |
/** |
|
3399 |
* @brief Check if the USART Transmission Complete Interrupt is enabled or disabled. |
|
3400 |
* @rmtoll CR1 TCIE LL_USART_IsEnabledIT_TC |
|
3401 |
* @param USARTx USART Instance |
|
3402 |
* @retval State of bit (1 or 0). |
|
3403 |
*/ |
|
3404 |
__STATIC_INLINE uint32_t LL_USART_IsEnabledIT_TC(USART_TypeDef *USARTx) |
|
3405 |
{ |
|
3406 |
return (READ_BIT(USARTx->CR1, USART_CR1_TCIE) == (USART_CR1_TCIE)); |
|
3407 |
} |
|
3408 |
|
|
3409 |
/** |
|
3410 |
* @brief Check if the USART TX Empty Interrupt is enabled or disabled. |
|
3411 |
* @rmtoll CR1 TXEIE LL_USART_IsEnabledIT_TXE |
|
3412 |
* @param USARTx USART Instance |
|
3413 |
* @retval State of bit (1 or 0). |
|
3414 |
*/ |
|
3415 |
__STATIC_INLINE uint32_t LL_USART_IsEnabledIT_TXE(USART_TypeDef *USARTx) |
|
3416 |
{ |
|
3417 |
return (READ_BIT(USARTx->CR1, USART_CR1_TXEIE) == (USART_CR1_TXEIE)); |
|
3418 |
} |
|
3419 |
|
|
3420 |
/** |
|
3421 |
* @brief Check if the USART Parity Error Interrupt is enabled or disabled. |
|
3422 |
* @rmtoll CR1 PEIE LL_USART_IsEnabledIT_PE |
|
3423 |
* @param USARTx USART Instance |
|
3424 |
* @retval State of bit (1 or 0). |
|
3425 |
*/ |
|
3426 |
__STATIC_INLINE uint32_t LL_USART_IsEnabledIT_PE(USART_TypeDef *USARTx) |
|
3427 |
{ |
|
3428 |
return (READ_BIT(USARTx->CR1, USART_CR1_PEIE) == (USART_CR1_PEIE)); |
|
3429 |
} |
|
3430 |
|
|
3431 |
/** |
|
3432 |
* @brief Check if the USART Character Match Interrupt is enabled or disabled. |
|
3433 |
* @rmtoll CR1 CMIE LL_USART_IsEnabledIT_CM |
|
3434 |
* @param USARTx USART Instance |
|
3435 |
* @retval State of bit (1 or 0). |
|
3436 |
*/ |
|
3437 |
__STATIC_INLINE uint32_t LL_USART_IsEnabledIT_CM(USART_TypeDef *USARTx) |
|
3438 |
{ |
|
3439 |
return (READ_BIT(USARTx->CR1, USART_CR1_CMIE) == (USART_CR1_CMIE)); |
|
3440 |
} |
|
3441 |
|
|
3442 |
/** |
|
3443 |
* @brief Check if the USART Receiver Timeout Interrupt is enabled or disabled. |
|
3444 |
* @rmtoll CR1 RTOIE LL_USART_IsEnabledIT_RTO |
|
3445 |
* @param USARTx USART Instance |
|
3446 |
* @retval State of bit (1 or 0). |
|
3447 |
*/ |
|
3448 |
__STATIC_INLINE uint32_t LL_USART_IsEnabledIT_RTO(USART_TypeDef *USARTx) |
|
3449 |
{ |
|
3450 |
return (READ_BIT(USARTx->CR1, USART_CR1_RTOIE) == (USART_CR1_RTOIE)); |
|
3451 |
} |
|
3452 |
|
|
3453 |
#if defined(USART_SMARTCARD_SUPPORT) |
|
3454 |
/** |
|
3455 |
* @brief Check if the USART End Of Block Interrupt is enabled or disabled. |
|
3456 |
* @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not |
|
3457 |
* Smartcard feature is supported by the USARTx instance. |
|
3458 |
* @rmtoll CR1 EOBIE LL_USART_IsEnabledIT_EOB |
|
3459 |
* @param USARTx USART Instance |
|
3460 |
* @retval State of bit (1 or 0). |
|
3461 |
*/ |
|
3462 |
__STATIC_INLINE uint32_t LL_USART_IsEnabledIT_EOB(USART_TypeDef *USARTx) |
|
3463 |
{ |
|
3464 |
return (READ_BIT(USARTx->CR1, USART_CR1_EOBIE) == (USART_CR1_EOBIE)); |
|
3465 |
} |
|
3466 |
#endif |
|
3467 |
|
|
3468 |
#if defined(USART_LIN_SUPPORT) |
|
3469 |
/** |
|
3470 |
* @brief Check if the USART LIN Break Detection Interrupt is enabled or disabled. |
|
3471 |
* @note Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not |
|
3472 |
* LIN feature is supported by the USARTx instance. |
|
3473 |
* @rmtoll CR2 LBDIE LL_USART_IsEnabledIT_LBD |
|
3474 |
* @param USARTx USART Instance |
|
3475 |
* @retval State of bit (1 or 0). |
|
3476 |
*/ |
|
3477 |
__STATIC_INLINE uint32_t LL_USART_IsEnabledIT_LBD(USART_TypeDef *USARTx) |
|
3478 |
{ |
|
3479 |
return (READ_BIT(USARTx->CR2, USART_CR2_LBDIE) == (USART_CR2_LBDIE)); |
|
3480 |
} |
|
3481 |
#endif |
|
3482 |
|
|
3483 |
/** |
|
3484 |
* @brief Check if the USART Error Interrupt is enabled or disabled. |
|
3485 |
* @rmtoll CR3 EIE LL_USART_IsEnabledIT_ERROR |
|
3486 |
* @param USARTx USART Instance |
|
3487 |
* @retval State of bit (1 or 0). |
|
3488 |
*/ |
|
3489 |
__STATIC_INLINE uint32_t LL_USART_IsEnabledIT_ERROR(USART_TypeDef *USARTx) |
|
3490 |
{ |
|
3491 |
return (READ_BIT(USARTx->CR3, USART_CR3_EIE) == (USART_CR3_EIE)); |
|
3492 |
} |
|
3493 |
|
|
3494 |
/** |
|
3495 |
* @brief Check if the USART CTS Interrupt is enabled or disabled. |
|
3496 |
* @note Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not |
|
3497 |
* Hardware Flow control feature is supported by the USARTx instance. |
|
3498 |
* @rmtoll CR3 CTSIE LL_USART_IsEnabledIT_CTS |
|
3499 |
* @param USARTx USART Instance |
|
3500 |
* @retval State of bit (1 or 0). |
|
3501 |
*/ |
|
3502 |
__STATIC_INLINE uint32_t LL_USART_IsEnabledIT_CTS(USART_TypeDef *USARTx) |
|
3503 |
{ |
|
3504 |
return (READ_BIT(USARTx->CR3, USART_CR3_CTSIE) == (USART_CR3_CTSIE)); |
|
3505 |
} |
|
3506 |
|
|
3507 |
#if defined(USART_WUSM_SUPPORT) |
|
3508 |
/** |
|
3509 |
* @brief Check if the USART Wake Up from Stop Mode Interrupt is enabled or disabled. |
|
3510 |
* @note Macro @ref IS_UART_WAKEUP_FROMSTOP_INSTANCE(USARTx) can be used to check whether or not |
|
3511 |
* Wake-up from Stop mode feature is supported by the USARTx instance. |
|
3512 |
* @rmtoll CR3 WUFIE LL_USART_IsEnabledIT_WKUP |
|
3513 |
* @param USARTx USART Instance |
|
3514 |
* @retval State of bit (1 or 0). |
|
3515 |
*/ |
|
3516 |
__STATIC_INLINE uint32_t LL_USART_IsEnabledIT_WKUP(USART_TypeDef *USARTx) |
|
3517 |
{ |
|
3518 |
return (READ_BIT(USARTx->CR3, USART_CR3_WUFIE) == (USART_CR3_WUFIE)); |
|
3519 |
} |
|
3520 |
#endif |
|
3521 |
|
|
3522 |
|
|
3523 |
/** |
|
3524 |
* @} |
|
3525 |
*/ |
|
3526 |
|
|
3527 |
/** @defgroup USART_LL_EF_DMA_Management DMA_Management |
|
3528 |
* @{ |
|
3529 |
*/ |
|
3530 |
|
|
3531 |
/** |
|
3532 |
* @brief Enable DMA Mode for reception |
|
3533 |
* @rmtoll CR3 DMAR LL_USART_EnableDMAReq_RX |
|
3534 |
* @param USARTx USART Instance |
|
3535 |
* @retval None |
|
3536 |
*/ |
|
3537 |
__STATIC_INLINE void LL_USART_EnableDMAReq_RX(USART_TypeDef *USARTx) |
|
3538 |
{ |
|
3539 |
SET_BIT(USARTx->CR3, USART_CR3_DMAR); |
|
3540 |
} |
|
3541 |
|
|
3542 |
/** |
|
3543 |
* @brief Disable DMA Mode for reception |
|
3544 |
* @rmtoll CR3 DMAR LL_USART_DisableDMAReq_RX |
|
3545 |
* @param USARTx USART Instance |
|
3546 |
* @retval None |
|
3547 |
*/ |
|
3548 |
__STATIC_INLINE void LL_USART_DisableDMAReq_RX(USART_TypeDef *USARTx) |
|
3549 |
{ |
|
3550 |
CLEAR_BIT(USARTx->CR3, USART_CR3_DMAR); |
|
3551 |
} |
|
3552 |
|
|
3553 |
/** |
|
3554 |
* @brief Check if DMA Mode is enabled for reception |
|
3555 |
* @rmtoll CR3 DMAR LL_USART_IsEnabledDMAReq_RX |
|
3556 |
* @param USARTx USART Instance |
|
3557 |
* @retval State of bit (1 or 0). |
|
3558 |
*/ |
|
3559 |
__STATIC_INLINE uint32_t LL_USART_IsEnabledDMAReq_RX(USART_TypeDef *USARTx) |
|
3560 |
{ |
|
3561 |
return (READ_BIT(USARTx->CR3, USART_CR3_DMAR) == (USART_CR3_DMAR)); |
|
3562 |
} |
|
3563 |
|
|
3564 |
/** |
|
3565 |
* @brief Enable DMA Mode for transmission |
|
3566 |
* @rmtoll CR3 DMAT LL_USART_EnableDMAReq_TX |
|
3567 |
* @param USARTx USART Instance |
|
3568 |
* @retval None |
|
3569 |
*/ |
|
3570 |
__STATIC_INLINE void LL_USART_EnableDMAReq_TX(USART_TypeDef *USARTx) |
|
3571 |
{ |
|
3572 |
SET_BIT(USARTx->CR3, USART_CR3_DMAT); |
|
3573 |
} |
|
3574 |
|
|
3575 |
/** |
|
3576 |
* @brief Disable DMA Mode for transmission |
|
3577 |
* @rmtoll CR3 DMAT LL_USART_DisableDMAReq_TX |
|
3578 |
* @param USARTx USART Instance |
|
3579 |
* @retval None |
|
3580 |
*/ |
|
3581 |
__STATIC_INLINE void LL_USART_DisableDMAReq_TX(USART_TypeDef *USARTx) |
|
3582 |
{ |
|
3583 |
CLEAR_BIT(USARTx->CR3, USART_CR3_DMAT); |
|
3584 |
} |
|
3585 |
|
|
3586 |
/** |
|
3587 |
* @brief Check if DMA Mode is enabled for transmission |
|
3588 |
* @rmtoll CR3 DMAT LL_USART_IsEnabledDMAReq_TX |
|
3589 |
* @param USARTx USART Instance |
|
3590 |
* @retval State of bit (1 or 0). |
|
3591 |
*/ |
|
3592 |
__STATIC_INLINE uint32_t LL_USART_IsEnabledDMAReq_TX(USART_TypeDef *USARTx) |
|
3593 |
{ |
|
3594 |
return (READ_BIT(USARTx->CR3, USART_CR3_DMAT) == (USART_CR3_DMAT)); |
|
3595 |
} |
|
3596 |
|
|
3597 |
/** |
|
3598 |
* @brief Enable DMA Disabling on Reception Error |
|
3599 |
* @rmtoll CR3 DDRE LL_USART_EnableDMADeactOnRxErr |
|
3600 |
* @param USARTx USART Instance |
|
3601 |
* @retval None |
|
3602 |
*/ |
|
3603 |
__STATIC_INLINE void LL_USART_EnableDMADeactOnRxErr(USART_TypeDef *USARTx) |
|
3604 |
{ |
|
3605 |
SET_BIT(USARTx->CR3, USART_CR3_DDRE); |
|
3606 |
} |
|
3607 |
|
|
3608 |
/** |
|
3609 |
* @brief Disable DMA Disabling on Reception Error |
|
3610 |
* @rmtoll CR3 DDRE LL_USART_DisableDMADeactOnRxErr |
|
3611 |
* @param USARTx USART Instance |
|
3612 |
* @retval None |
|
3613 |
*/ |
|
3614 |
__STATIC_INLINE void LL_USART_DisableDMADeactOnRxErr(USART_TypeDef *USARTx) |
|
3615 |
{ |
|
3616 |
CLEAR_BIT(USARTx->CR3, USART_CR3_DDRE); |
|
3617 |
} |
|
3618 |
|
|
3619 |
/** |
|
3620 |
* @brief Indicate if DMA Disabling on Reception Error is disabled |
|
3621 |
* @rmtoll CR3 DDRE LL_USART_IsEnabledDMADeactOnRxErr |
|
3622 |
* @param USARTx USART Instance |
|
3623 |
* @retval State of bit (1 or 0). |
|
3624 |
*/ |
|
3625 |
__STATIC_INLINE uint32_t LL_USART_IsEnabledDMADeactOnRxErr(USART_TypeDef *USARTx) |
|
3626 |
{ |
|
3627 |
return (READ_BIT(USARTx->CR3, USART_CR3_DDRE) == (USART_CR3_DDRE)); |
|
3628 |
} |
|
3629 |
|
|
3630 |
/** |
|
3631 |
* @brief Get the data register address used for DMA transfer |
|
3632 |
* @rmtoll RDR RDR LL_USART_DMA_GetRegAddr\n |
|
3633 |
* @rmtoll TDR TDR LL_USART_DMA_GetRegAddr |
|
3634 |
* @param USARTx USART Instance |
|
3635 |
* @param Direction This parameter can be one of the following values: |
|
3636 |
* @arg @ref LL_USART_DMA_REG_DATA_TRANSMIT |
|
3637 |
* @arg @ref LL_USART_DMA_REG_DATA_RECEIVE |
|
3638 |
* @retval Address of data register |
|
3639 |
*/ |
|
3640 |
__STATIC_INLINE uint32_t LL_USART_DMA_GetRegAddr(USART_TypeDef *USARTx, uint32_t Direction) |
|
3641 |
{ |
|
3642 |
register uint32_t data_reg_addr = 0U; |
|
3643 |
|
|
3644 |
if (Direction == LL_USART_DMA_REG_DATA_TRANSMIT) |
|
3645 |
{ |
|
3646 |
/* return address of TDR register */ |
|
3647 |
data_reg_addr = (uint32_t) &(USARTx->TDR); |
|
3648 |
} |
|
3649 |
else |
|
3650 |
{ |
|
3651 |
/* return address of RDR register */ |
|
3652 |
data_reg_addr = (uint32_t) &(USARTx->RDR); |
|
3653 |
} |
|
3654 |
|
|
3655 |
return data_reg_addr; |
|
3656 |
} |
|
3657 |
|
|
3658 |
/** |
|
3659 |
* @} |
|
3660 |
*/ |
|
3661 |
|
|
3662 |
/** @defgroup USART_LL_EF_Data_Management Data_Management |
|
3663 |
* @{ |
|
3664 |
*/ |
|
3665 |
|
|
3666 |
/** |
|
3667 |
* @brief Read Receiver Data register (Receive Data value, 8 bits) |
|
3668 |
* @rmtoll RDR RDR LL_USART_ReceiveData8 |
|
3669 |
* @param USARTx USART Instance |
|
3670 |
* @retval Value between Min_Data=0x00 and Max_Data=0xFF |
|
3671 |
*/ |
|
3672 |
__STATIC_INLINE uint8_t LL_USART_ReceiveData8(USART_TypeDef *USARTx) |
|
3673 |
{ |
|
3674 |
return (uint8_t)(READ_BIT(USARTx->RDR, USART_RDR_RDR)); |
|
3675 |
} |
|
3676 |
|
|
3677 |
/** |
|
3678 |
* @brief Read Receiver Data register (Receive Data value, 9 bits) |
|
3679 |
* @rmtoll RDR RDR LL_USART_ReceiveData9 |
|
3680 |
* @param USARTx USART Instance |
|
3681 |
* @retval Value between Min_Data=0x00 and Max_Data=0x1FF |
|
3682 |
*/ |
|
3683 |
__STATIC_INLINE uint16_t LL_USART_ReceiveData9(USART_TypeDef *USARTx) |
|
3684 |
{ |
|
3685 |
return (uint16_t)(READ_BIT(USARTx->RDR, USART_RDR_RDR)); |
|
3686 |
} |
|
3687 |
|
|
3688 |
/** |
|
3689 |
* @brief Write in Transmitter Data Register (Transmit Data value, 8 bits) |
|
3690 |
* @rmtoll TDR TDR LL_USART_TransmitData8 |
|
3691 |
* @param USARTx USART Instance |
|
3692 |
* @param Value between Min_Data=0x00 and Max_Data=0xFF |
|
3693 |
* @retval None |
|
3694 |
*/ |
|
3695 |
__STATIC_INLINE void LL_USART_TransmitData8(USART_TypeDef *USARTx, uint8_t Value) |
|
3696 |
{ |
|
3697 |
USARTx->TDR = Value; |
|
3698 |
} |
|
3699 |
|
|
3700 |
/** |
|
3701 |
* @brief Write in Transmitter Data Register (Transmit Data value, 9 bits) |
|
3702 |
* @rmtoll TDR TDR LL_USART_TransmitData9 |
|
3703 |
* @param USARTx USART Instance |
|
3704 |
* @param Value between Min_Data=0x00 and Max_Data=0x1FF |
|
3705 |
* @retval None |
|
3706 |
*/ |
|
3707 |
__STATIC_INLINE void LL_USART_TransmitData9(USART_TypeDef *USARTx, uint16_t Value) |
|
3708 |
{ |
|
3709 |
USARTx->TDR = Value & 0x1FFU; |
|
3710 |
} |
|
3711 |
|
|
3712 |
/** |
|
3713 |
* @} |
|
3714 |
*/ |
|
3715 |
|
|
3716 |
/** @defgroup USART_LL_EF_Execution Execution |
|
3717 |
* @{ |
|
3718 |
*/ |
|
3719 |
|
|
3720 |
/** |
|
3721 |
* @brief Request an Automatic Baud Rate measurement on next received data frame |
|
3722 |
* @note Macro @ref IS_USART_AUTOBAUDRATE_DETECTION_INSTANCE(USARTx) can be used to check whether or not |
|
3723 |
* Auto Baud Rate detection feature is supported by the USARTx instance. |
|
3724 |
* @rmtoll RQR ABRRQ LL_USART_RequestAutoBaudRate |
|
3725 |
* @param USARTx USART Instance |
|
3726 |
* @retval None |
|
3727 |
*/ |
|
3728 |
__STATIC_INLINE void LL_USART_RequestAutoBaudRate(USART_TypeDef *USARTx) |
|
3729 |
{ |
|
3730 |
SET_BIT(USARTx->RQR, USART_RQR_ABRRQ); |
|
3731 |
} |
|
3732 |
|
|
3733 |
/** |
|
3734 |
* @brief Request Break sending |
|
3735 |
* @rmtoll RQR SBKRQ LL_USART_RequestBreakSending |
|
3736 |
* @param USARTx USART Instance |
|
3737 |
* @retval None |
|
3738 |
*/ |
|
3739 |
__STATIC_INLINE void LL_USART_RequestBreakSending(USART_TypeDef *USARTx) |
|
3740 |
{ |
|
3741 |
SET_BIT(USARTx->RQR, USART_RQR_SBKRQ); |
|
3742 |
} |
|
3743 |
|
|
3744 |
/** |
|
3745 |
* @brief Put USART in mute mode and set the RWU flag |
|
3746 |
* @rmtoll RQR MMRQ LL_USART_RequestEnterMuteMode |
|
3747 |
* @param USARTx USART Instance |
|
3748 |
* @retval None |
|
3749 |
*/ |
|
3750 |
__STATIC_INLINE void LL_USART_RequestEnterMuteMode(USART_TypeDef *USARTx) |
|
3751 |
{ |
|
3752 |
SET_BIT(USARTx->RQR, USART_RQR_MMRQ); |
|
3753 |
} |
|
3754 |
|
|
3755 |
/** |
|
3756 |
* @brief Request a Receive Data flush |
|
3757 |
* @rmtoll RQR RXFRQ LL_USART_RequestRxDataFlush |
|
3758 |
* @param USARTx USART Instance |
|
3759 |
* @retval None |
|
3760 |
*/ |
|
3761 |
__STATIC_INLINE void LL_USART_RequestRxDataFlush(USART_TypeDef *USARTx) |
|
3762 |
{ |
|
3763 |
SET_BIT(USARTx->RQR, USART_RQR_RXFRQ); |
|
3764 |
} |
|
3765 |
|
|
3766 |
#if defined(USART_SMARTCARD_SUPPORT) |
|
3767 |
/** |
|
3768 |
* @brief Request a Transmit data flush |
|
3769 |
* @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not |
|
3770 |
* Smartcard feature is supported by the USARTx instance. |
|
3771 |
* @rmtoll RQR TXFRQ LL_USART_RequestTxDataFlush |
|
3772 |
* @param USARTx USART Instance |
|
3773 |
* @retval None |
|
3774 |
*/ |
|
3775 |
__STATIC_INLINE void LL_USART_RequestTxDataFlush(USART_TypeDef *USARTx) |
|
3776 |
{ |
|
3777 |
SET_BIT(USARTx->RQR, USART_RQR_TXFRQ); |
|
3778 |
} |
|
3779 |
#endif |
|
3780 |
|
|
3781 |
/** |
|
3782 |
* @} |
|
3783 |
*/ |
|
3784 |
|
|
3785 |
#if defined(USE_FULL_LL_DRIVER) |
|
3786 |
/** @defgroup USART_LL_EF_Init Initialization and de-initialization functions |
|
3787 |
* @{ |
|
3788 |
*/ |
|
3789 |
ErrorStatus LL_USART_DeInit(USART_TypeDef *USARTx); |
|
3790 |
ErrorStatus LL_USART_Init(USART_TypeDef *USARTx, LL_USART_InitTypeDef *USART_InitStruct); |
|
3791 |
void LL_USART_StructInit(LL_USART_InitTypeDef *USART_InitStruct); |
|
3792 |
ErrorStatus LL_USART_ClockInit(USART_TypeDef *USARTx, LL_USART_ClockInitTypeDef *USART_ClockInitStruct); |
|
3793 |
void LL_USART_ClockStructInit(LL_USART_ClockInitTypeDef *USART_ClockInitStruct); |
|
3794 |
/** |
|
3795 |
* @} |
|
3796 |
*/ |
|
3797 |
#endif /* USE_FULL_LL_DRIVER */ |
|
3798 |
|
|
3799 |
/** |
|
3800 |
* @} |
|
3801 |
*/ |
|
3802 |
|
|
3803 |
/** |
|
3804 |
* @} |
|
3805 |
*/ |
|
3806 |
|
|
3807 |
#endif /* USART1 || USART2|| USART3 || USART4 || USART5 || USART6 || USART7 || USART8 */ |
|
3808 |
|
|
3809 |
/** |
|
3810 |
* @} |
|
3811 |
*/ |
|
3812 |
|
|
3813 |
#ifdef __cplusplus |
|
3814 |
} |
|
3815 |
#endif |
|
3816 |
|
|
3817 |
#endif /* __STM32F0xx_LL_USART_H */ |
|
3818 |
|
|
3819 |
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |