WebSVN – FuelGauge – Diff – /trunk/Drivers/STM32F0xx_HAL_Driver/Inc/stm32f0xx_ll_usart.h



typedef struct
{
 
  uint32_t BaudRate;                  /*!< This field defines expected Usart communication baud rate.
 
                                           This feature can be modified afterwards using unitary
                                           function @ref LL_USART_SetBaudRate().*/
 
  uint32_t DataWidth;                 /*!< Specifies the number of data bits transmitted or received in a frame.
                                           This parameter can be a value of @ref USART_LL_EC_DATAWIDTH.
 
                                           This feature can be modified afterwards using unitary
                                           function @ref LL_USART_SetDataWidth().*/
 
  uint32_t StopBits;                  /*!< Specifies the number of stop bits transmitted.
                                           This parameter can be a value of @ref USART_LL_EC_STOPBITS.
 
                                           This feature can be modified afterwards using unitary
                                           function @ref LL_USART_SetStopBitsLength().*/
 
  uint32_t Parity;                    /*!< Specifies the parity mode.
                                           This parameter can be a value of @ref USART_LL_EC_PARITY.
 
                                           This feature can be modified afterwards using unitary
                                           function @ref LL_USART_SetParity().*/
 
  uint32_t TransferDirection;         /*!< Specifies whether the Receive and/or Transmit mode is enabled or disabled.
                                           This parameter can be a value of @ref USART_LL_EC_DIRECTION.
 
                                           This feature can be modified afterwards using unitary
                                           function @ref LL_USART_SetTransferDirection().*/
 
  uint32_t HardwareFlowControl;       /*!< Specifies whether the hardware flow control mode is enabled or disabled.
                                           This parameter can be a value of @ref USART_LL_EC_HWCONTROL.
 
                                           This feature can be modified afterwards using unitary
                                           function @ref LL_USART_SetHWFlowCtrl().*/
 
  uint32_t OverSampling;              /*!< Specifies whether USART oversampling mode is 16 or 8.
                                           This parameter can be a value of @ref USART_LL_EC_OVERSAMPLING.
 
                                           This feature can be modified afterwards using unitary
                                           function @ref LL_USART_SetOverSampling().*/
 
} LL_USART_InitTypeDef;
 
/**
  * @brief LL USART Clock Init Structure definition

                                           For more details, refer to description of this function. */
 
  uint32_t ClockPolarity;             /*!< Specifies the steady state of the serial clock.
                                           This parameter can be a value of @ref USART_LL_EC_POLARITY.
 
                                           USART HW configuration can be modified afterwards using unitary
                                           functions @ref LL_USART_SetClockPolarity().
                                           For more details, refer to description of this function. */
 
  uint32_t ClockPhase;                /*!< Specifies the clock transition on which the bit capture is made.
                                           This parameter can be a value of @ref USART_LL_EC_PHASE.
 
                                           USART HW configuration can be modified afterwards using unitary
                                           functions @ref LL_USART_SetClockPhase().
                                           For more details, refer to description of this function. */
 
  uint32_t LastBitClockPulse;         /*!< Specifies whether the clock pulse corresponding to the last transmitted
                                           data bit (MSB) has to be output on the SCLK pin in synchronous mode.
                                           This parameter can be a value of @ref USART_LL_EC_LASTCLKPULSE.
 
                                           USART HW configuration can be modified afterwards using unitary
                                           functions @ref LL_USART_SetLastClkPulseOutput().
                                           For more details, refer to description of this function. */
 
} LL_USART_ClockInitTypeDef;
 
/**

 
/** @defgroup USART_LL_EC_CLEAR_FLAG Clear Flags Defines
  * @brief    Flags defines which can be used with LL_USART_WriteReg function
  * @{
  */
#define LL_USART_ICR_PECF                       USART_ICR_PECF                /*!< Parity error clear flag */
#define LL_USART_ICR_FECF                       USART_ICR_FECF                /*!< Framing error clear flag */
#define LL_USART_ICR_NCF                        USART_ICR_NCF                 /*!< Noise error detected clear flag */
#define LL_USART_ICR_ORECF                      USART_ICR_ORECF               /*!< Overrun error clear flag */
#define LL_USART_ICR_IDLECF                     USART_ICR_IDLECF              /*!< Idle line detected clear flag */
#define LL_USART_ICR_TCCF                       USART_ICR_TCCF                /*!< Transmission complete clear flag */
#if defined USART_LIN_SUPPORT
#define LL_USART_ICR_LBDCF                      USART_ICR_LBDCF               /*!< LIN break detection clear flag */
#endif /* USART_LIN_SUPPORT */
#define LL_USART_ICR_CTSCF                      USART_ICR_CTSCF               /*!< CTS clear flag */
#define LL_USART_ICR_RTOCF                      USART_ICR_RTOCF               /*!< Receiver timeout clear flag */
#if defined USART_SMARTCARD_SUPPORT
#define LL_USART_ICR_EOBCF                      USART_ICR_EOBCF               /*!< End of block clear flag */
#endif /* USART_SMARTCARD_SUPPORT */
#define LL_USART_ICR_CMCF                       USART_ICR_CMCF                /*!< Character match clear flag */
#if defined(USART_CR1_UESM)
#if defined(USART_CR3_WUFIE)
#define LL_USART_ICR_WUCF                       USART_ICR_WUCF                /*!< Wakeup from Stop mode clear flag */
#endif /* USART_CR3_WUFIE */
#endif /* USART_CR1_UESM */
/**
  * @}
  */
 

#define LL_USART_ISR_BUSY                       USART_ISR_BUSY                /*!< Busy flag */
#define LL_USART_ISR_CMF                        USART_ISR_CMF                 /*!< Character match flag */
#define LL_USART_ISR_SBKF                       USART_ISR_SBKF                /*!< Send break flag */
#define LL_USART_ISR_RWU                        USART_ISR_RWU                 /*!< Receiver wakeup from Mute mode flag */
#if defined(USART_CR1_UESM)
#if defined(USART_CR3_WUFIE)
#define LL_USART_ISR_WUF                        USART_ISR_WUF                 /*!< Wakeup from Stop mode flag */
#endif /* USART_CR3_WUFIE */
#endif /* USART_CR1_UESM */
#define LL_USART_ISR_TEACK                      USART_ISR_TEACK               /*!< Transmit enable acknowledge flag */
#define LL_USART_ISR_REACK                      USART_ISR_REACK               /*!< Receive enable acknowledge flag */
/**
  * @}

#define LL_USART_CR2_LBDIE                      USART_CR2_LBDIE               /*!< LIN break detection interrupt enable */
#endif /* USART_LIN_SUPPORT */
#define LL_USART_CR3_EIE                        USART_CR3_EIE                 /*!< Error interrupt enable */
#define LL_USART_CR3_CTSIE                      USART_CR3_CTSIE               /*!< CTS interrupt enable */
#if defined(USART_CR1_UESM)
#if defined(USART_CR3_WUFIE)
#define LL_USART_CR3_WUFIE                      USART_CR3_WUFIE               /*!< Wakeup from Stop mode interrupt enable */
#endif /* USART_CR3_WUFIE */
#endif /* USART_CR1_UESM */
/**
  * @}
  */
 

/**
  * @}
  */
 
#if defined(USART_CR1_UESM)
#if defined(USART_CR3_WUS)
/** @defgroup USART_LL_EC_WAKEUP_ON Wakeup Activation
  * @{
  */
#define LL_USART_WAKEUP_ON_ADDRESS              0x00000000U                             /*!< Wake up active on address match */
#define LL_USART_WAKEUP_ON_STARTBIT             USART_CR3_WUS_1                         /*!< Wake up active on Start bit detection */
#define LL_USART_WAKEUP_ON_RXNE                 (USART_CR3_WUS_0 | USART_CR3_WUS_1)     /*!< Wake up active on RXNE */
/**
  * @}
  */
 
#endif /* USART_CR3_WUS */
#endif /* USART_CR1_UESM */
#if defined(USART_IRDA_SUPPORT)
/** @defgroup USART_LL_EC_IRDA_POWER IrDA Power
  * @{
  */

#if defined(USART_CR1_UESM)
/**
  * @brief  USART enabled in STOP Mode.
  * @note   When this function is enabled, USART is able to wake up the MCU from Stop mode, provided that
  *         USART clock selection is HSI or LSE in RCC.
  * @note   Macro IS_UART_WAKEUP_FROMSTOP_INSTANCE(USARTx) can be used to check whether or not
  *         Wake-up from Stop mode feature is supported by the USARTx instance.
  * @rmtoll CR1          UESM          LL_USART_EnableInStopMode
  * @param  USARTx USART Instance
  * @retval None
  */
__STATIC_INLINE void LL_USART_EnableInStopMode(USART_TypeDef *USARTx)
{
  ATOMIC_SET_BIT(USARTx->CR1, USART_CR1_UESM);
}
 
/**
  * @brief  USART disabled in STOP Mode.
  * @note   When this function is disabled, USART is not able to wake up the MCU from Stop mode
  * @note   Macro IS_UART_WAKEUP_FROMSTOP_INSTANCE(USARTx) can be used to check whether or not
  *         Wake-up from Stop mode feature is supported by the USARTx instance.
  * @rmtoll CR1          UESM          LL_USART_DisableInStopMode
  * @param  USARTx USART Instance
  * @retval None
  */
__STATIC_INLINE void LL_USART_DisableInStopMode(USART_TypeDef *USARTx)
{
  ATOMIC_CLEAR_BIT(USARTx->CR1, USART_CR1_UESM);
}
 
/**
  * @brief  Indicate if USART is enabled in STOP Mode (able to wake up MCU from Stop mode or not)
  * @note   Macro IS_UART_WAKEUP_FROMSTOP_INSTANCE(USARTx) can be used to check whether or not
  *         Wake-up from Stop mode feature is supported by the USARTx instance.
  * @rmtoll CR1          UESM          LL_USART_IsEnabledInStopMode
  * @param  USARTx USART Instance
  * @retval State of bit (1 or 0).
  */

  * @param  USARTx USART Instance
  * @retval None
  */
__STATIC_INLINE void LL_USART_EnableDirectionRx(USART_TypeDef *USARTx)
{
  ATOMIC_SET_BIT(USARTx->CR1, USART_CR1_RE);
}
 
/**
  * @brief  Receiver Disable
  * @rmtoll CR1          RE            LL_USART_DisableDirectionRx
  * @param  USARTx USART Instance
  * @retval None
  */
__STATIC_INLINE void LL_USART_DisableDirectionRx(USART_TypeDef *USARTx)
{
  ATOMIC_CLEAR_BIT(USARTx->CR1, USART_CR1_RE);
}
 
/**
  * @brief  Transmitter Enable
  * @rmtoll CR1          TE            LL_USART_EnableDirectionTx
  * @param  USARTx USART Instance
  * @retval None
  */
__STATIC_INLINE void LL_USART_EnableDirectionTx(USART_TypeDef *USARTx)
{
  ATOMIC_SET_BIT(USARTx->CR1, USART_CR1_TE);
}
 
/**
  * @brief  Transmitter Disable
  * @rmtoll CR1          TE            LL_USART_DisableDirectionTx
  * @param  USARTx USART Instance
  * @retval None
  */
__STATIC_INLINE void LL_USART_DisableDirectionTx(USART_TypeDef *USARTx)
{
  ATOMIC_CLEAR_BIT(USARTx->CR1, USART_CR1_TE);
}
 
/**
  * @brief  Configure simultaneously enabled/disabled states
  *         of Transmitter and Receiver

  *         @arg @ref LL_USART_DIRECTION_TX_RX
  * @retval None
  */
__STATIC_INLINE void LL_USART_SetTransferDirection(USART_TypeDef *USARTx, uint32_t TransferDirection)
{
  ATOMIC_MODIFY_REG(USARTx->CR1, USART_CR1_RE | USART_CR1_TE, TransferDirection);
}
 
/**
  * @brief  Return enabled/disabled states of Transmitter and Receiver
  * @rmtoll CR1          RE            LL_USART_GetTransferDirection\n

  * @param  USARTx USART Instance
  * @retval None
  */
__STATIC_INLINE void LL_USART_EnableMuteMode(USART_TypeDef *USARTx)
{
  ATOMIC_SET_BIT(USARTx->CR1, USART_CR1_MME);
}
 
/**
  * @brief  Prevent Mute Mode use. Set Receiver in active mode permanently.
  * @rmtoll CR1          MME           LL_USART_DisableMuteMode
  * @param  USARTx USART Instance
  * @retval None
  */
__STATIC_INLINE void LL_USART_DisableMuteMode(USART_TypeDef *USARTx)
{
  ATOMIC_CLEAR_BIT(USARTx->CR1, USART_CR1_MME);
}
 
/**
  * @brief  Indicate if switch between Mute Mode and Active mode is allowed
  * @rmtoll CR1          MME           LL_USART_IsEnabledMuteMode

  return (uint32_t)(READ_BIT(USARTx->CR1, USART_CR1_OVER8));
}
 
/**
  * @brief  Configure if Clock pulse of the last data bit is output to the SCLK pin or not
  * @note   Macro IS_USART_INSTANCE(USARTx) can be used to check whether or not
  *         Synchronous mode is supported by the USARTx instance.
  * @rmtoll CR2          LBCL          LL_USART_SetLastClkPulseOutput
  * @param  USARTx USART Instance
  * @param  LastBitClockPulse This parameter can be one of the following values:
  *         @arg @ref LL_USART_LASTCLKPULSE_NO_OUTPUT

}
 
/**
  * @brief  Retrieve Clock pulse of the last data bit output configuration
  *         (Last bit Clock pulse output to the SCLK pin or not)
  * @note   Macro IS_USART_INSTANCE(USARTx) can be used to check whether or not
  *         Synchronous mode is supported by the USARTx instance.
  * @rmtoll CR2          LBCL          LL_USART_GetLastClkPulseOutput
  * @param  USARTx USART Instance
  * @retval Returned value can be one of the following values:
  *         @arg @ref LL_USART_LASTCLKPULSE_NO_OUTPUT

  return (uint32_t)(READ_BIT(USARTx->CR2, USART_CR2_LBCL));
}
 
/**
  * @brief  Select the phase of the clock output on the SCLK pin in synchronous mode
  * @note   Macro IS_USART_INSTANCE(USARTx) can be used to check whether or not
  *         Synchronous mode is supported by the USARTx instance.
  * @rmtoll CR2          CPHA          LL_USART_SetClockPhase
  * @param  USARTx USART Instance
  * @param  ClockPhase This parameter can be one of the following values:
  *         @arg @ref LL_USART_PHASE_1EDGE

  MODIFY_REG(USARTx->CR2, USART_CR2_CPHA, ClockPhase);
}
 
/**
  * @brief  Return phase of the clock output on the SCLK pin in synchronous mode
  * @note   Macro IS_USART_INSTANCE(USARTx) can be used to check whether or not
  *         Synchronous mode is supported by the USARTx instance.
  * @rmtoll CR2          CPHA          LL_USART_GetClockPhase
  * @param  USARTx USART Instance
  * @retval Returned value can be one of the following values:
  *         @arg @ref LL_USART_PHASE_1EDGE

  return (uint32_t)(READ_BIT(USARTx->CR2, USART_CR2_CPHA));
}
 
/**
  * @brief  Select the polarity of the clock output on the SCLK pin in synchronous mode
  * @note   Macro IS_USART_INSTANCE(USARTx) can be used to check whether or not
  *         Synchronous mode is supported by the USARTx instance.
  * @rmtoll CR2          CPOL          LL_USART_SetClockPolarity
  * @param  USARTx USART Instance
  * @param  ClockPolarity This parameter can be one of the following values:
  *         @arg @ref LL_USART_POLARITY_LOW

  MODIFY_REG(USARTx->CR2, USART_CR2_CPOL, ClockPolarity);
}
 
/**
  * @brief  Return polarity of the clock output on the SCLK pin in synchronous mode
  * @note   Macro IS_USART_INSTANCE(USARTx) can be used to check whether or not
  *         Synchronous mode is supported by the USARTx instance.
  * @rmtoll CR2          CPOL          LL_USART_GetClockPolarity
  * @param  USARTx USART Instance
  * @retval Returned value can be one of the following values:
  *         @arg @ref LL_USART_POLARITY_LOW

  return (uint32_t)(READ_BIT(USARTx->CR2, USART_CR2_CPOL));
}
 
/**
  * @brief  Configure Clock signal format (Phase Polarity and choice about output of last bit clock pulse)
  * @note   Macro IS_USART_INSTANCE(USARTx) can be used to check whether or not
  *         Synchronous mode is supported by the USARTx instance.
  * @note   Call of this function is equivalent to following function call sequence :
  *         - Clock Phase configuration using @ref LL_USART_SetClockPhase() function
  *         - Clock Polarity configuration using @ref LL_USART_SetClockPolarity() function
  *         - Output of Last bit Clock pulse configuration using @ref LL_USART_SetLastClkPulseOutput() function

  MODIFY_REG(USARTx->CR2, USART_CR2_CPHA | USART_CR2_CPOL | USART_CR2_LBCL, Phase | Polarity | LBCPOutput);
}
 
/**
  * @brief  Enable Clock output on SCLK pin
  * @note   Macro IS_USART_INSTANCE(USARTx) can be used to check whether or not
  *         Synchronous mode is supported by the USARTx instance.
  * @rmtoll CR2          CLKEN         LL_USART_EnableSCLKOutput
  * @param  USARTx USART Instance
  * @retval None
  */

  SET_BIT(USARTx->CR2, USART_CR2_CLKEN);
}
 
/**
  * @brief  Disable Clock output on SCLK pin
  * @note   Macro IS_USART_INSTANCE(USARTx) can be used to check whether or not
  *         Synchronous mode is supported by the USARTx instance.
  * @rmtoll CR2          CLKEN         LL_USART_DisableSCLKOutput
  * @param  USARTx USART Instance
  * @retval None
  */

  CLEAR_BIT(USARTx->CR2, USART_CR2_CLKEN);
}
 
/**
  * @brief  Indicate if Clock output on SCLK pin is enabled
  * @note   Macro IS_USART_INSTANCE(USARTx) can be used to check whether or not
  *         Synchronous mode is supported by the USARTx instance.
  * @rmtoll CR2          CLKEN         LL_USART_IsEnabledSCLKOutput
  * @param  USARTx USART Instance
  * @retval State of bit (1 or 0).
  */

  return (uint32_t)(READ_BIT(USARTx->CR2, USART_CR2_MSBFIRST));
}
 
/**
  * @brief  Enable Auto Baud-Rate Detection
  * @note   Macro IS_USART_AUTOBAUDRATE_DETECTION_INSTANCE(USARTx) can be used to check whether or not
  *         Auto Baud Rate detection feature is supported by the USARTx instance.
  * @rmtoll CR2          ABREN         LL_USART_EnableAutoBaudRate
  * @param  USARTx USART Instance
  * @retval None
  */

  SET_BIT(USARTx->CR2, USART_CR2_ABREN);
}
 
/**
  * @brief  Disable Auto Baud-Rate Detection
  * @note   Macro IS_USART_AUTOBAUDRATE_DETECTION_INSTANCE(USARTx) can be used to check whether or not
  *         Auto Baud Rate detection feature is supported by the USARTx instance.
  * @rmtoll CR2          ABREN         LL_USART_DisableAutoBaudRate
  * @param  USARTx USART Instance
  * @retval None
  */

  CLEAR_BIT(USARTx->CR2, USART_CR2_ABREN);
}
 
/**
  * @brief  Indicate if Auto Baud-Rate Detection mechanism is enabled
  * @note   Macro IS_USART_AUTOBAUDRATE_DETECTION_INSTANCE(USARTx) can be used to check whether or not
  *         Auto Baud Rate detection feature is supported by the USARTx instance.
  * @rmtoll CR2          ABREN         LL_USART_IsEnabledAutoBaud
  * @param  USARTx USART Instance
  * @retval State of bit (1 or 0).
  */

  return ((READ_BIT(USARTx->CR2, USART_CR2_ABREN) == (USART_CR2_ABREN)) ? 1UL : 0UL);
}
 
/**
  * @brief  Set Auto Baud-Rate mode bits
  * @note   Macro IS_USART_AUTOBAUDRATE_DETECTION_INSTANCE(USARTx) can be used to check whether or not
  *         Auto Baud Rate detection feature is supported by the USARTx instance.
  * @rmtoll CR2          ABRMODE       LL_USART_SetAutoBaudRateMode
  * @param  USARTx USART Instance
  * @param  AutoBaudRateMode This parameter can be one of the following values:
  *         @arg @ref LL_USART_AUTOBAUD_DETECT_ON_STARTBIT

  MODIFY_REG(USARTx->CR2, USART_CR2_ABRMODE, AutoBaudRateMode);
}
 
/**
  * @brief  Return Auto Baud-Rate mode
  * @note   Macro IS_USART_AUTOBAUDRATE_DETECTION_INSTANCE(USARTx) can be used to check whether or not
  *         Auto Baud Rate detection feature is supported by the USARTx instance.
  * @rmtoll CR2          ABRMODE       LL_USART_GetAutoBaudRateMode
  * @param  USARTx USART Instance
  * @retval Returned value can be one of the following values:
  *         @arg @ref LL_USART_AUTOBAUD_DETECT_ON_STARTBIT

  return (uint32_t)(READ_BIT(USARTx->CR2, USART_CR2_ADDM7));
}
 
/**
  * @brief  Enable RTS HW Flow Control
  * @note   Macro IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not
  *         Hardware Flow control feature is supported by the USARTx instance.
  * @rmtoll CR3          RTSE          LL_USART_EnableRTSHWFlowCtrl
  * @param  USARTx USART Instance
  * @retval None
  */

  SET_BIT(USARTx->CR3, USART_CR3_RTSE);
}
 
/**
  * @brief  Disable RTS HW Flow Control
  * @note   Macro IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not
  *         Hardware Flow control feature is supported by the USARTx instance.
  * @rmtoll CR3          RTSE          LL_USART_DisableRTSHWFlowCtrl
  * @param  USARTx USART Instance
  * @retval None
  */

  CLEAR_BIT(USARTx->CR3, USART_CR3_RTSE);
}
 
/**
  * @brief  Enable CTS HW Flow Control
  * @note   Macro IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not
  *         Hardware Flow control feature is supported by the USARTx instance.
  * @rmtoll CR3          CTSE          LL_USART_EnableCTSHWFlowCtrl
  * @param  USARTx USART Instance
  * @retval None
  */

  SET_BIT(USARTx->CR3, USART_CR3_CTSE);
}
 
/**
  * @brief  Disable CTS HW Flow Control
  * @note   Macro IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not
  *         Hardware Flow control feature is supported by the USARTx instance.
  * @rmtoll CR3          CTSE          LL_USART_DisableCTSHWFlowCtrl
  * @param  USARTx USART Instance
  * @retval None
  */

  CLEAR_BIT(USARTx->CR3, USART_CR3_CTSE);
}
 
/**
  * @brief  Configure HW Flow Control mode (both CTS and RTS)
  * @note   Macro IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not
  *         Hardware Flow control feature is supported by the USARTx instance.
  * @rmtoll CR3          RTSE          LL_USART_SetHWFlowCtrl\n
  *         CR3          CTSE          LL_USART_SetHWFlowCtrl
  * @param  USARTx USART Instance
  * @param  HardwareFlowControl This parameter can be one of the following values:

  MODIFY_REG(USARTx->CR3, USART_CR3_RTSE | USART_CR3_CTSE, HardwareFlowControl);
}
 
/**
  * @brief  Return HW Flow Control configuration (both CTS and RTS)
  * @note   Macro IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not
  *         Hardware Flow control feature is supported by the USARTx instance.
  * @rmtoll CR3          RTSE          LL_USART_GetHWFlowCtrl\n
  *         CR3          CTSE          LL_USART_GetHWFlowCtrl
  * @param  USARTx USART Instance
  * @retval Returned value can be one of the following values:

{
  return ((READ_BIT(USARTx->CR3, USART_CR3_OVRDIS) != USART_CR3_OVRDIS) ? 1UL : 0UL);
}
 
#if defined(USART_CR1_UESM)
#if defined(USART_CR3_WUS)
/**
  * @brief  Select event type for Wake UP Interrupt Flag (WUS[1:0] bits)
  * @note   Macro IS_UART_WAKEUP_FROMSTOP_INSTANCE(USARTx) can be used to check whether or not
  *         Wake-up from Stop mode feature is supported by the USARTx instance.
  * @rmtoll CR3          WUS           LL_USART_SetWKUPType
  * @param  USARTx USART Instance
  * @param  Type This parameter can be one of the following values:
  *         @arg @ref LL_USART_WAKEUP_ON_ADDRESS

  MODIFY_REG(USARTx->CR3, USART_CR3_WUS, Type);
}
 
/**
  * @brief  Return event type for Wake UP Interrupt Flag (WUS[1:0] bits)
  * @note   Macro IS_UART_WAKEUP_FROMSTOP_INSTANCE(USARTx) can be used to check whether or not
  *         Wake-up from Stop mode feature is supported by the USARTx instance.
  * @rmtoll CR3          WUS           LL_USART_GetWKUPType
  * @param  USARTx USART Instance
  * @retval Returned value can be one of the following values:
  *         @arg @ref LL_USART_WAKEUP_ON_ADDRESS

__STATIC_INLINE uint32_t LL_USART_GetWKUPType(USART_TypeDef *USARTx)
{
  return (uint32_t)(READ_BIT(USARTx->CR3, USART_CR3_WUS));
}
 
#endif /* USART_CR3_WUS */
#endif /* USART_CR1_UESM */
/**
  * @brief  Configure USART BRR register for achieving expected Baud Rate value.
  * @note   Compute and set USARTDIV value in BRR Register (full BRR content)
  *         according to used Peripheral Clock, Oversampling mode, and expected Baud Rate values

  */
__STATIC_INLINE void LL_USART_SetBaudRate(USART_TypeDef *USARTx, uint32_t PeriphClk, uint32_t OverSampling,
                                          uint32_t BaudRate)
{
  uint32_t usartdiv;
  uint32_t brrtemp;
 
  if (OverSampling == LL_USART_OVERSAMPLING_8)
  {
    usartdiv = (uint16_t)(__LL_USART_DIV_SAMPLING8(PeriphClk, BaudRate));
    brrtemp = usartdiv & 0xFFF0U;

  *         @arg @ref LL_USART_OVERSAMPLING_8
  * @retval Baud Rate
  */
__STATIC_INLINE uint32_t LL_USART_GetBaudRate(USART_TypeDef *USARTx, uint32_t PeriphClk, uint32_t OverSampling)
{
  uint32_t usartdiv;
  uint32_t brrresult = 0x0U;
 
  usartdiv = USARTx->BRR;
 
  if (usartdiv == 0U)
  {

  * @{
  */
 
/**
  * @brief  Enable IrDA mode
  * @note   Macro IS_IRDA_INSTANCE(USARTx) can be used to check whether or not
  *         IrDA feature is supported by the USARTx instance.
  * @rmtoll CR3          IREN          LL_USART_EnableIrda
  * @param  USARTx USART Instance
  * @retval None
  */

  SET_BIT(USARTx->CR3, USART_CR3_IREN);
}
 
/**
  * @brief  Disable IrDA mode
  * @note   Macro IS_IRDA_INSTANCE(USARTx) can be used to check whether or not
  *         IrDA feature is supported by the USARTx instance.
  * @rmtoll CR3          IREN          LL_USART_DisableIrda
  * @param  USARTx USART Instance
  * @retval None
  */

  CLEAR_BIT(USARTx->CR3, USART_CR3_IREN);
}
 
/**
  * @brief  Indicate if IrDA mode is enabled
  * @note   Macro IS_IRDA_INSTANCE(USARTx) can be used to check whether or not
  *         IrDA feature is supported by the USARTx instance.
  * @rmtoll CR3          IREN          LL_USART_IsEnabledIrda
  * @param  USARTx USART Instance
  * @retval State of bit (1 or 0).
  */

  return ((READ_BIT(USARTx->CR3, USART_CR3_IREN) == (USART_CR3_IREN)) ? 1UL : 0UL);
}
 
/**
  * @brief  Configure IrDA Power Mode (Normal or Low Power)
  * @note   Macro IS_IRDA_INSTANCE(USARTx) can be used to check whether or not
  *         IrDA feature is supported by the USARTx instance.
  * @rmtoll CR3          IRLP          LL_USART_SetIrdaPowerMode
  * @param  USARTx USART Instance
  * @param  PowerMode This parameter can be one of the following values:
  *         @arg @ref LL_USART_IRDA_POWER_NORMAL

  MODIFY_REG(USARTx->CR3, USART_CR3_IRLP, PowerMode);
}
 
/**
  * @brief  Retrieve IrDA Power Mode configuration (Normal or Low Power)
  * @note   Macro IS_IRDA_INSTANCE(USARTx) can be used to check whether or not
  *         IrDA feature is supported by the USARTx instance.
  * @rmtoll CR3          IRLP          LL_USART_GetIrdaPowerMode
  * @param  USARTx USART Instance
  * @retval Returned value can be one of the following values:
  *         @arg @ref LL_USART_IRDA_POWER_NORMAL

}
 
/**
  * @brief  Set Irda prescaler value, used for dividing the USART clock source
  *         to achieve the Irda Low Power frequency (8 bits value)
  * @note   Macro IS_IRDA_INSTANCE(USARTx) can be used to check whether or not
  *         IrDA feature is supported by the USARTx instance.
  * @rmtoll GTPR         PSC           LL_USART_SetIrdaPrescaler
  * @param  USARTx USART Instance
  * @param  PrescalerValue Value between Min_Data=0x00 and Max_Data=0xFF
  * @retval None

}
 
/**
  * @brief  Return Irda prescaler value, used for dividing the USART clock source
  *         to achieve the Irda Low Power frequency (8 bits value)
  * @note   Macro IS_IRDA_INSTANCE(USARTx) can be used to check whether or not
  *         IrDA feature is supported by the USARTx instance.
  * @rmtoll GTPR         PSC           LL_USART_GetIrdaPrescaler
  * @param  USARTx USART Instance
  * @retval Irda prescaler value (Value between Min_Data=0x00 and Max_Data=0xFF)
  */

  * @{
  */
 
/**
  * @brief  Enable Smartcard NACK transmission
  * @note   Macro IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not
  *         Smartcard feature is supported by the USARTx instance.
  * @rmtoll CR3          NACK          LL_USART_EnableSmartcardNACK
  * @param  USARTx USART Instance
  * @retval None
  */

  SET_BIT(USARTx->CR3, USART_CR3_NACK);
}
 
/**
  * @brief  Disable Smartcard NACK transmission
  * @note   Macro IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not
  *         Smartcard feature is supported by the USARTx instance.
  * @rmtoll CR3          NACK          LL_USART_DisableSmartcardNACK
  * @param  USARTx USART Instance
  * @retval None
  */

  CLEAR_BIT(USARTx->CR3, USART_CR3_NACK);
}
 
/**
  * @brief  Indicate if Smartcard NACK transmission is enabled
  * @note   Macro IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not
  *         Smartcard feature is supported by the USARTx instance.
  * @rmtoll CR3          NACK          LL_USART_IsEnabledSmartcardNACK
  * @param  USARTx USART Instance
  * @retval State of bit (1 or 0).
  */

  return ((READ_BIT(USARTx->CR3, USART_CR3_NACK) == (USART_CR3_NACK)) ? 1UL : 0UL);
}
 
/**
  * @brief  Enable Smartcard mode
  * @note   Macro IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not
  *         Smartcard feature is supported by the USARTx instance.
  * @rmtoll CR3          SCEN          LL_USART_EnableSmartcard
  * @param  USARTx USART Instance
  * @retval None
  */

  SET_BIT(USARTx->CR3, USART_CR3_SCEN);
}
 
/**
  * @brief  Disable Smartcard mode
  * @note   Macro IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not
  *         Smartcard feature is supported by the USARTx instance.
  * @rmtoll CR3          SCEN          LL_USART_DisableSmartcard
  * @param  USARTx USART Instance
  * @retval None
  */

  CLEAR_BIT(USARTx->CR3, USART_CR3_SCEN);
}
 
/**
  * @brief  Indicate if Smartcard mode is enabled
  * @note   Macro IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not
  *         Smartcard feature is supported by the USARTx instance.
  * @rmtoll CR3          SCEN          LL_USART_IsEnabledSmartcard
  * @param  USARTx USART Instance
  * @retval State of bit (1 or 0).
  */

  return ((READ_BIT(USARTx->CR3, USART_CR3_SCEN) == (USART_CR3_SCEN)) ? 1UL : 0UL);
}
 
/**
  * @brief  Set Smartcard Auto-Retry Count value (SCARCNT[2:0] bits)
  * @note   Macro IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not
  *         Smartcard feature is supported by the USARTx instance.
  * @note   This bit-field specifies the number of retries in transmit and receive, in Smartcard mode.
  *         In transmission mode, it specifies the number of automatic retransmission retries, before
  *         generating a transmission error (FE bit set).
  *         In reception mode, it specifies the number or erroneous reception trials, before generating a

  MODIFY_REG(USARTx->CR3, USART_CR3_SCARCNT, AutoRetryCount << USART_CR3_SCARCNT_Pos);
}
 
/**
  * @brief  Return Smartcard Auto-Retry Count value (SCARCNT[2:0] bits)
  * @note   Macro IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not
  *         Smartcard feature is supported by the USARTx instance.
  * @rmtoll CR3          SCARCNT       LL_USART_GetSmartcardAutoRetryCount
  * @param  USARTx USART Instance
  * @retval Smartcard Auto-Retry Count value (Value between Min_Data=0 and Max_Data=7)
  */

}
 
/**
  * @brief  Set Smartcard prescaler value, used for dividing the USART clock
  *         source to provide the SMARTCARD Clock (5 bits value)
  * @note   Macro IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not
  *         Smartcard feature is supported by the USARTx instance.
  * @rmtoll GTPR         PSC           LL_USART_SetSmartcardPrescaler
  * @param  USARTx USART Instance
  * @param  PrescalerValue Value between Min_Data=0 and Max_Data=31
  * @retval None

}
 
/**
  * @brief  Return Smartcard prescaler value, used for dividing the USART clock
  *         source to provide the SMARTCARD Clock (5 bits value)
  * @note   Macro IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not
  *         Smartcard feature is supported by the USARTx instance.
  * @rmtoll GTPR         PSC           LL_USART_GetSmartcardPrescaler
  * @param  USARTx USART Instance
  * @retval Smartcard prescaler value (Value between Min_Data=0 and Max_Data=31)
  */

}
 
/**
  * @brief  Set Smartcard Guard time value, expressed in nb of baud clocks periods
  *         (GT[7:0] bits : Guard time value)
  * @note   Macro IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not
  *         Smartcard feature is supported by the USARTx instance.
  * @rmtoll GTPR         GT            LL_USART_SetSmartcardGuardTime
  * @param  USARTx USART Instance
  * @param  GuardTime Value between Min_Data=0x00 and Max_Data=0xFF
  * @retval None

}
 
/**
  * @brief  Return Smartcard Guard time value, expressed in nb of baud clocks periods
  *         (GT[7:0] bits : Guard time value)
  * @note   Macro IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not
  *         Smartcard feature is supported by the USARTx instance.
  * @rmtoll GTPR         GT            LL_USART_GetSmartcardGuardTime
  * @param  USARTx USART Instance
  * @retval Smartcard Guard time value (Value between Min_Data=0x00 and Max_Data=0xFF)
  */

  * @{
  */
 
/**
  * @brief  Enable Single Wire Half-Duplex mode
  * @note   Macro IS_UART_HALFDUPLEX_INSTANCE(USARTx) can be used to check whether or not
  *         Half-Duplex mode is supported by the USARTx instance.
  * @rmtoll CR3          HDSEL         LL_USART_EnableHalfDuplex
  * @param  USARTx USART Instance
  * @retval None
  */

  SET_BIT(USARTx->CR3, USART_CR3_HDSEL);
}
 
/**
  * @brief  Disable Single Wire Half-Duplex mode
  * @note   Macro IS_UART_HALFDUPLEX_INSTANCE(USARTx) can be used to check whether or not
  *         Half-Duplex mode is supported by the USARTx instance.
  * @rmtoll CR3          HDSEL         LL_USART_DisableHalfDuplex
  * @param  USARTx USART Instance
  * @retval None
  */

  CLEAR_BIT(USARTx->CR3, USART_CR3_HDSEL);
}
 
/**
  * @brief  Indicate if Single Wire Half-Duplex mode is enabled
  * @note   Macro IS_UART_HALFDUPLEX_INSTANCE(USARTx) can be used to check whether or not
  *         Half-Duplex mode is supported by the USARTx instance.
  * @rmtoll CR3          HDSEL         LL_USART_IsEnabledHalfDuplex
  * @param  USARTx USART Instance
  * @retval State of bit (1 or 0).
  */

  * @{
  */
 
/**
  * @brief  Set LIN Break Detection Length
  * @note   Macro IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not
  *         LIN feature is supported by the USARTx instance.
  * @rmtoll CR2          LBDL          LL_USART_SetLINBrkDetectionLen
  * @param  USARTx USART Instance
  * @param  LINBDLength This parameter can be one of the following values:
  *         @arg @ref LL_USART_LINBREAK_DETECT_10B

  MODIFY_REG(USARTx->CR2, USART_CR2_LBDL, LINBDLength);
}
 
/**
  * @brief  Return LIN Break Detection Length
  * @note   Macro IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not
  *         LIN feature is supported by the USARTx instance.
  * @rmtoll CR2          LBDL          LL_USART_GetLINBrkDetectionLen
  * @param  USARTx USART Instance
  * @retval Returned value can be one of the following values:
  *         @arg @ref LL_USART_LINBREAK_DETECT_10B

  return (uint32_t)(READ_BIT(USARTx->CR2, USART_CR2_LBDL));
}
 
/**
  * @brief  Enable LIN mode
  * @note   Macro IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not
  *         LIN feature is supported by the USARTx instance.
  * @rmtoll CR2          LINEN         LL_USART_EnableLIN
  * @param  USARTx USART Instance
  * @retval None
  */

  SET_BIT(USARTx->CR2, USART_CR2_LINEN);
}
 
/**
  * @brief  Disable LIN mode
  * @note   Macro IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not
  *         LIN feature is supported by the USARTx instance.
  * @rmtoll CR2          LINEN         LL_USART_DisableLIN
  * @param  USARTx USART Instance
  * @retval None
  */

  CLEAR_BIT(USARTx->CR2, USART_CR2_LINEN);
}
 
/**
  * @brief  Indicate if LIN mode is enabled
  * @note   Macro IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not
  *         LIN feature is supported by the USARTx instance.
  * @rmtoll CR2          LINEN         LL_USART_IsEnabledLIN
  * @param  USARTx USART Instance
  * @retval State of bit (1 or 0).
  */

  * @{
  */
 
/**
  * @brief  Set DEDT (Driver Enable De-Assertion Time), Time value expressed on 5 bits ([4:0] bits).
  * @note   Macro IS_UART_DRIVER_ENABLE_INSTANCE(USARTx) can be used to check whether or not
  *         Driver Enable feature is supported by the USARTx instance.
  * @rmtoll CR1          DEDT          LL_USART_SetDEDeassertionTime
  * @param  USARTx USART Instance
  * @param  Time Value between Min_Data=0 and Max_Data=31
  * @retval None

  MODIFY_REG(USARTx->CR1, USART_CR1_DEDT, Time << USART_CR1_DEDT_Pos);
}
 
/**
  * @brief  Return DEDT (Driver Enable De-Assertion Time)
  * @note   Macro IS_UART_DRIVER_ENABLE_INSTANCE(USARTx) can be used to check whether or not
  *         Driver Enable feature is supported by the USARTx instance.
  * @rmtoll CR1          DEDT          LL_USART_GetDEDeassertionTime
  * @param  USARTx USART Instance
  * @retval Time value expressed on 5 bits ([4:0] bits) : Value between Min_Data=0 and Max_Data=31
  */

  return (uint32_t)(READ_BIT(USARTx->CR1, USART_CR1_DEDT) >> USART_CR1_DEDT_Pos);
}
 
/**
  * @brief  Set DEAT (Driver Enable Assertion Time), Time value expressed on 5 bits ([4:0] bits).
  * @note   Macro IS_UART_DRIVER_ENABLE_INSTANCE(USARTx) can be used to check whether or not
  *         Driver Enable feature is supported by the USARTx instance.
  * @rmtoll CR1          DEAT          LL_USART_SetDEAssertionTime
  * @param  USARTx USART Instance
  * @param  Time Value between Min_Data=0 and Max_Data=31
  * @retval None

  MODIFY_REG(USARTx->CR1, USART_CR1_DEAT, Time << USART_CR1_DEAT_Pos);
}
 
/**
  * @brief  Return DEAT (Driver Enable Assertion Time)
  * @note   Macro IS_UART_DRIVER_ENABLE_INSTANCE(USARTx) can be used to check whether or not
  *         Driver Enable feature is supported by the USARTx instance.
  * @rmtoll CR1          DEAT          LL_USART_GetDEAssertionTime
  * @param  USARTx USART Instance
  * @retval Time value expressed on 5 bits ([4:0] bits) : Value between Min_Data=0 and Max_Data=31
  */

  return (uint32_t)(READ_BIT(USARTx->CR1, USART_CR1_DEAT) >> USART_CR1_DEAT_Pos);
}
 
/**
  * @brief  Enable Driver Enable (DE) Mode
  * @note   Macro IS_UART_DRIVER_ENABLE_INSTANCE(USARTx) can be used to check whether or not
  *         Driver Enable feature is supported by the USARTx instance.
  * @rmtoll CR3          DEM           LL_USART_EnableDEMode
  * @param  USARTx USART Instance
  * @retval None
  */

  SET_BIT(USARTx->CR3, USART_CR3_DEM);
}
 
/**
  * @brief  Disable Driver Enable (DE) Mode
  * @note   Macro IS_UART_DRIVER_ENABLE_INSTANCE(USARTx) can be used to check whether or not
  *         Driver Enable feature is supported by the USARTx instance.
  * @rmtoll CR3          DEM           LL_USART_DisableDEMode
  * @param  USARTx USART Instance
  * @retval None
  */

  CLEAR_BIT(USARTx->CR3, USART_CR3_DEM);
}
 
/**
  * @brief  Indicate if Driver Enable (DE) Mode is enabled
  * @note   Macro IS_UART_DRIVER_ENABLE_INSTANCE(USARTx) can be used to check whether or not
  *         Driver Enable feature is supported by the USARTx instance.
  * @rmtoll CR3          DEM           LL_USART_IsEnabledDEMode
  * @param  USARTx USART Instance
  * @retval State of bit (1 or 0).
  */

  return ((READ_BIT(USARTx->CR3, USART_CR3_DEM) == (USART_CR3_DEM)) ? 1UL : 0UL);
}
 
/**
  * @brief  Select Driver Enable Polarity
  * @note   Macro IS_UART_DRIVER_ENABLE_INSTANCE(USARTx) can be used to check whether or not
  *         Driver Enable feature is supported by the USARTx instance.
  * @rmtoll CR3          DEP           LL_USART_SetDESignalPolarity
  * @param  USARTx USART Instance
  * @param  Polarity This parameter can be one of the following values:
  *         @arg @ref LL_USART_DE_POLARITY_HIGH

  MODIFY_REG(USARTx->CR3, USART_CR3_DEP, Polarity);
}
 
/**
  * @brief  Return Driver Enable Polarity
  * @note   Macro IS_UART_DRIVER_ENABLE_INSTANCE(USARTx) can be used to check whether or not
  *         Driver Enable feature is supported by the USARTx instance.
  * @rmtoll CR3          DEP           LL_USART_GetDESignalPolarity
  * @param  USARTx USART Instance
  * @retval Returned value can be one of the following values:
  *         @arg @ref LL_USART_DE_POLARITY_HIGH

  *           - LINEN bit in the USART_CR2 register (if LIN feature is supported),
  *           - SCEN bit in the USART_CR3 register (if Smartcard feature is supported),
  *           - IREN bit in the USART_CR3 register (if Irda feature is supported),
  *           - HDSEL bit in the USART_CR3 register.
  *         This function also sets the USART in Synchronous mode.
  * @note   Macro IS_USART_INSTANCE(USARTx) can be used to check whether or not
  *         Synchronous mode is supported by the USARTx instance.
  * @note   Call of this function is equivalent to following function call sequence :
  *         - Clear LINEN in CR2 using @ref LL_USART_DisableLIN() function (if LIN feature is supported)
  *         - Clear IREN in CR3 using @ref LL_USART_DisableIrda() function (if Irda feature is supported)
  *         - Clear SCEN in CR3 using @ref LL_USART_DisableSmartcard() function (if Smartcard feature is supported)

  *           - STOP and CLKEN bits in the USART_CR2 register,
  *           - SCEN bit in the USART_CR3 register (if Smartcard feature is supported),
  *           - IREN bit in the USART_CR3 register (if Irda feature is supported),
  *           - HDSEL bit in the USART_CR3 register.
  *         This function also set the UART/USART in LIN mode.
  * @note   Macro IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not
  *         LIN feature is supported by the USARTx instance.
  * @note   Call of this function is equivalent to following function call sequence :
  *         - Clear CLKEN in CR2 using @ref LL_USART_DisableSCLKOutput() function
  *         - Clear STOP in CR2 using @ref LL_USART_SetStopBitsLength() function
  *         - Clear SCEN in CR3 using @ref LL_USART_DisableSmartcard() function (if Smartcard feature is supported)

  *           - LINEN bit in the USART_CR2 register (if LIN feature is supported),
  *           - CLKEN bit in the USART_CR2 register,
  *           - SCEN bit in the USART_CR3 register (if Smartcard feature is supported),
  *           - IREN bit in the USART_CR3 register (if Irda feature is supported),
  *         This function also sets the UART/USART in Half Duplex mode.
  * @note   Macro IS_UART_HALFDUPLEX_INSTANCE(USARTx) can be used to check whether or not
  *         Half-Duplex mode is supported by the USARTx instance.
  * @note   Call of this function is equivalent to following function call sequence :
  *         - Clear LINEN in CR2 using @ref LL_USART_DisableLIN() function (if LIN feature is supported)
  *         - Clear CLKEN in CR2 using @ref LL_USART_DisableSCLKOutput() function
  *         - Clear SCEN in CR3 using @ref LL_USART_DisableSmartcard() function (if Smartcard feature is supported)

  *           - IREN bit in the USART_CR3 register (if Irda feature is supported),
  *           - HDSEL bit in the USART_CR3 register.
  *         This function also configures Stop bits to 1.5 bits and
  *         sets the USART in Smartcard mode (SCEN bit).
  *         Clock Output is also enabled (CLKEN).
  * @note   Macro IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not
  *         Smartcard feature is supported by the USARTx instance.
  * @note   Call of this function is equivalent to following function call sequence :
  *         - Clear LINEN in CR2 using @ref LL_USART_DisableLIN() function (if LIN feature is supported)
  *         - Clear IREN in CR3 using @ref LL_USART_DisableIrda() function (if Irda feature is supported)
  *         - Clear HDSEL in CR3 using @ref LL_USART_DisableHalfDuplex() function

  *           - LINEN bit in the USART_CR2 register (if LIN feature is supported),
  *           - STOP and CLKEN bits in the USART_CR2 register,
  *           - SCEN bit in the USART_CR3 register (if Smartcard feature is supported),
  *           - HDSEL bit in the USART_CR3 register.
  *         This function also sets the UART/USART in IRDA mode (IREN bit).
  * @note   Macro IS_IRDA_INSTANCE(USARTx) can be used to check whether or not
  *         IrDA feature is supported by the USARTx instance.
  * @note   Call of this function is equivalent to following function call sequence :
  *         - Clear LINEN in CR2 using @ref LL_USART_DisableLIN() function (if LIN feature is supported)
  *         - Clear CLKEN in CR2 using @ref LL_USART_DisableSCLKOutput() function
  *         - Clear SCEN in CR3 using @ref LL_USART_DisableSmartcard() function (if Smartcard feature is supported)

}
 
#if defined(USART_LIN_SUPPORT)
/**
  * @brief  Check if the USART LIN Break Detection Flag is set or not
  * @note   Macro IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not
  *         LIN feature is supported by the USARTx instance.
  * @rmtoll ISR          LBDF          LL_USART_IsActiveFlag_LBD
  * @param  USARTx USART Instance
  * @retval State of bit (1 or 0).
  */

}
#endif /* USART_LIN_SUPPORT */
 
/**
  * @brief  Check if the USART CTS interrupt Flag is set or not
  * @note   Macro IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not
  *         Hardware Flow control feature is supported by the USARTx instance.
  * @rmtoll ISR          CTSIF         LL_USART_IsActiveFlag_nCTS
  * @param  USARTx USART Instance
  * @retval State of bit (1 or 0).
  */

  return ((READ_BIT(USARTx->ISR, USART_ISR_CTSIF) == (USART_ISR_CTSIF)) ? 1UL : 0UL);
}
 
/**
  * @brief  Check if the USART CTS Flag is set or not
  * @note   Macro IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not
  *         Hardware Flow control feature is supported by the USARTx instance.
  * @rmtoll ISR          CTS           LL_USART_IsActiveFlag_CTS
  * @param  USARTx USART Instance
  * @retval State of bit (1 or 0).
  */

}
 
#if defined(USART_SMARTCARD_SUPPORT)
/**
  * @brief  Check if the USART End Of Block Flag is set or not
  * @note   Macro IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not
  *         Smartcard feature is supported by the USARTx instance.
  * @rmtoll ISR          EOBF          LL_USART_IsActiveFlag_EOB
  * @param  USARTx USART Instance
  * @retval State of bit (1 or 0).
  */

}
#endif /* USART_SMARTCARD_SUPPORT */
 
/**
  * @brief  Check if the USART Auto-Baud Rate Error Flag is set or not
  * @note   Macro IS_USART_AUTOBAUDRATE_DETECTION_INSTANCE(USARTx) can be used to check whether or not
  *         Auto Baud Rate detection feature is supported by the USARTx instance.
  * @rmtoll ISR          ABRE          LL_USART_IsActiveFlag_ABRE
  * @param  USARTx USART Instance
  * @retval State of bit (1 or 0).
  */

  return ((READ_BIT(USARTx->ISR, USART_ISR_ABRE) == (USART_ISR_ABRE)) ? 1UL : 0UL);
}
 
/**
  * @brief  Check if the USART Auto-Baud Rate Flag is set or not
  * @note   Macro IS_USART_AUTOBAUDRATE_DETECTION_INSTANCE(USARTx) can be used to check whether or not
  *         Auto Baud Rate detection feature is supported by the USARTx instance.
  * @rmtoll ISR          ABRF          LL_USART_IsActiveFlag_ABR
  * @param  USARTx USART Instance
  * @retval State of bit (1 or 0).
  */

{
  return ((READ_BIT(USARTx->ISR, USART_ISR_RWU) == (USART_ISR_RWU)) ? 1UL : 0UL);
}
 
#if defined(USART_CR1_UESM)
#if defined(USART_CR3_WUFIE)
/**
  * @brief  Check if the USART Wake Up from stop mode Flag is set or not
  * @note   Macro IS_UART_WAKEUP_FROMSTOP_INSTANCE(USARTx) can be used to check whether or not
  *         Wake-up from Stop mode feature is supported by the USARTx instance.
  * @rmtoll ISR          WUF           LL_USART_IsActiveFlag_WKUP
  * @param  USARTx USART Instance
  * @retval State of bit (1 or 0).
  */
__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_WKUP(USART_TypeDef *USARTx)
{
  return ((READ_BIT(USARTx->ISR, USART_ISR_WUF) == (USART_ISR_WUF)) ? 1UL : 0UL);
}
 
#endif /* USART_CR3_WUFIE */
#endif /* USART_CR1_UESM */
/**
  * @brief  Check if the USART Transmit Enable Acknowledge Flag is set or not
  * @rmtoll ISR          TEACK         LL_USART_IsActiveFlag_TEACK
  * @param  USARTx USART Instance

 
 
#if defined(USART_LIN_SUPPORT)
/**
  * @brief  Clear LIN Break Detection Flag
  * @note   Macro IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not
  *         LIN feature is supported by the USARTx instance.
  * @rmtoll ICR          LBDCF         LL_USART_ClearFlag_LBD
  * @param  USARTx USART Instance
  * @retval None
  */

}
#endif /* USART_LIN_SUPPORT */
 
/**
  * @brief  Clear CTS Interrupt Flag
  * @note   Macro IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not
  *         Hardware Flow control feature is supported by the USARTx instance.
  * @rmtoll ICR          CTSCF         LL_USART_ClearFlag_nCTS
  * @param  USARTx USART Instance
  * @retval None
  */

}
 
#if defined(USART_SMARTCARD_SUPPORT)
/**
  * @brief  Clear End Of Block Flag
  * @note   Macro IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not
  *         Smartcard feature is supported by the USARTx instance.
  * @rmtoll ICR          EOBCF         LL_USART_ClearFlag_EOB
  * @param  USARTx USART Instance
  * @retval None
  */

{
  WRITE_REG(USARTx->ICR, USART_ICR_CMCF);
}
 
#if defined(USART_CR1_UESM)
#if defined(USART_CR3_WUFIE)
/**
  * @brief  Clear Wake Up from stop mode Flag
  * @note   Macro IS_UART_WAKEUP_FROMSTOP_INSTANCE(USARTx) can be used to check whether or not
  *         Wake-up from Stop mode feature is supported by the USARTx instance.
  * @rmtoll ICR          WUCF          LL_USART_ClearFlag_WKUP
  * @param  USARTx USART Instance
  * @retval None
  */
__STATIC_INLINE void LL_USART_ClearFlag_WKUP(USART_TypeDef *USARTx)
{
  WRITE_REG(USARTx->ICR, USART_ICR_WUCF);
}
 
#endif /* USART_CR3_WUFIE */
#endif /* USART_CR1_UESM */
/**
  * @}
  */
 

  * @param  USARTx USART Instance
  * @retval None
  */
__STATIC_INLINE void LL_USART_EnableIT_IDLE(USART_TypeDef *USARTx)
{
  ATOMIC_SET_BIT(USARTx->CR1, USART_CR1_IDLEIE);
}
 
/**
  * @brief  Enable RX Not Empty Interrupt
  * @rmtoll CR1          RXNEIE        LL_USART_EnableIT_RXNE
  * @param  USARTx USART Instance
  * @retval None
  */
__STATIC_INLINE void LL_USART_EnableIT_RXNE(USART_TypeDef *USARTx)
{
  ATOMIC_SET_BIT(USARTx->CR1, USART_CR1_RXNEIE);
}
 
/**
  * @brief  Enable Transmission Complete Interrupt
  * @rmtoll CR1          TCIE          LL_USART_EnableIT_TC
  * @param  USARTx USART Instance
  * @retval None
  */
__STATIC_INLINE void LL_USART_EnableIT_TC(USART_TypeDef *USARTx)
{
  ATOMIC_SET_BIT(USARTx->CR1, USART_CR1_TCIE);
}
 
/**
  * @brief  Enable TX Empty Interrupt
  * @rmtoll CR1          TXEIE         LL_USART_EnableIT_TXE
  * @param  USARTx USART Instance
  * @retval None
  */
__STATIC_INLINE void LL_USART_EnableIT_TXE(USART_TypeDef *USARTx)
{
  ATOMIC_SET_BIT(USARTx->CR1, USART_CR1_TXEIE);
}
 
/**
  * @brief  Enable Parity Error Interrupt
  * @rmtoll CR1          PEIE          LL_USART_EnableIT_PE
  * @param  USARTx USART Instance
  * @retval None
  */
__STATIC_INLINE void LL_USART_EnableIT_PE(USART_TypeDef *USARTx)
{
  ATOMIC_SET_BIT(USARTx->CR1, USART_CR1_PEIE);
}
 
/**
  * @brief  Enable Character Match Interrupt
  * @rmtoll CR1          CMIE          LL_USART_EnableIT_CM
  * @param  USARTx USART Instance
  * @retval None
  */
__STATIC_INLINE void LL_USART_EnableIT_CM(USART_TypeDef *USARTx)
{
  ATOMIC_SET_BIT(USARTx->CR1, USART_CR1_CMIE);
}
 
/**
  * @brief  Enable Receiver Timeout Interrupt
  * @rmtoll CR1          RTOIE         LL_USART_EnableIT_RTO
  * @param  USARTx USART Instance
  * @retval None
  */
__STATIC_INLINE void LL_USART_EnableIT_RTO(USART_TypeDef *USARTx)
{
  ATOMIC_SET_BIT(USARTx->CR1, USART_CR1_RTOIE);
}
 
#if defined(USART_SMARTCARD_SUPPORT)
/**
  * @brief  Enable End Of Block Interrupt
  * @note   Macro IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not
  *         Smartcard feature is supported by the USARTx instance.
  * @rmtoll CR1          EOBIE         LL_USART_EnableIT_EOB
  * @param  USARTx USART Instance
  * @retval None
  */
__STATIC_INLINE void LL_USART_EnableIT_EOB(USART_TypeDef *USARTx)
{
  ATOMIC_SET_BIT(USARTx->CR1, USART_CR1_EOBIE);
}
#endif /* USART_SMARTCARD_SUPPORT */
 
#if defined(USART_LIN_SUPPORT)
/**
  * @brief  Enable LIN Break Detection Interrupt
  * @note   Macro IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not
  *         LIN feature is supported by the USARTx instance.
  * @rmtoll CR2          LBDIE         LL_USART_EnableIT_LBD
  * @param  USARTx USART Instance
  * @retval None
  */

  * @param  USARTx USART Instance
  * @retval None
  */
__STATIC_INLINE void LL_USART_EnableIT_ERROR(USART_TypeDef *USARTx)
{
  ATOMIC_SET_BIT(USARTx->CR3, USART_CR3_EIE);
}
 
/**
  * @brief  Enable CTS Interrupt
  * @note   Macro IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not
  *         Hardware Flow control feature is supported by the USARTx instance.
  * @rmtoll CR3          CTSIE         LL_USART_EnableIT_CTS
  * @param  USARTx USART Instance
  * @retval None
  */
__STATIC_INLINE void LL_USART_EnableIT_CTS(USART_TypeDef *USARTx)
{
  ATOMIC_SET_BIT(USARTx->CR3, USART_CR3_CTSIE);
}
 
#if defined(USART_CR1_UESM)
#if defined(USART_CR3_WUFIE)
/**
  * @brief  Enable Wake Up from Stop Mode Interrupt
  * @note   Macro IS_UART_WAKEUP_FROMSTOP_INSTANCE(USARTx) can be used to check whether or not
  *         Wake-up from Stop mode feature is supported by the USARTx instance.
  * @rmtoll CR3          WUFIE         LL_USART_EnableIT_WKUP
  * @param  USARTx USART Instance
  * @retval None
  */
__STATIC_INLINE void LL_USART_EnableIT_WKUP(USART_TypeDef *USARTx)
{
  ATOMIC_SET_BIT(USARTx->CR3, USART_CR3_WUFIE);
}
 
#endif /* USART_CR3_WUFIE */
#endif /* USART_CR1_UESM */
 
/**
  * @brief  Disable IDLE Interrupt
  * @rmtoll CR1          IDLEIE        LL_USART_DisableIT_IDLE
  * @param  USARTx USART Instance
  * @retval None
  */
__STATIC_INLINE void LL_USART_DisableIT_IDLE(USART_TypeDef *USARTx)
{
  ATOMIC_CLEAR_BIT(USARTx->CR1, USART_CR1_IDLEIE);
}
 
/**
  * @brief  Disable RX Not Empty Interrupt
  * @rmtoll CR1          RXNEIE        LL_USART_DisableIT_RXNE
  * @param  USARTx USART Instance
  * @retval None
  */
__STATIC_INLINE void LL_USART_DisableIT_RXNE(USART_TypeDef *USARTx)
{
  ATOMIC_CLEAR_BIT(USARTx->CR1, USART_CR1_RXNEIE);
}
 
/**
  * @brief  Disable Transmission Complete Interrupt
  * @rmtoll CR1          TCIE          LL_USART_DisableIT_TC
  * @param  USARTx USART Instance
  * @retval None
  */
__STATIC_INLINE void LL_USART_DisableIT_TC(USART_TypeDef *USARTx)
{
  ATOMIC_CLEAR_BIT(USARTx->CR1, USART_CR1_TCIE);
}
 
/**
  * @brief  Disable TX Empty Interrupt
  * @rmtoll CR1          TXEIE         LL_USART_DisableIT_TXE
  * @param  USARTx USART Instance
  * @retval None
  */
__STATIC_INLINE void LL_USART_DisableIT_TXE(USART_TypeDef *USARTx)
{
  ATOMIC_CLEAR_BIT(USARTx->CR1, USART_CR1_TXEIE);
}
 
/**
  * @brief  Disable Parity Error Interrupt
  * @rmtoll CR1          PEIE          LL_USART_DisableIT_PE
  * @param  USARTx USART Instance
  * @retval None
  */
__STATIC_INLINE void LL_USART_DisableIT_PE(USART_TypeDef *USARTx)
{
  ATOMIC_CLEAR_BIT(USARTx->CR1, USART_CR1_PEIE);
}
 
/**
  * @brief  Disable Character Match Interrupt
  * @rmtoll CR1          CMIE          LL_USART_DisableIT_CM
  * @param  USARTx USART Instance
  * @retval None
  */
__STATIC_INLINE void LL_USART_DisableIT_CM(USART_TypeDef *USARTx)
{
  ATOMIC_CLEAR_BIT(USARTx->CR1, USART_CR1_CMIE);
}
 
/**
  * @brief  Disable Receiver Timeout Interrupt
  * @rmtoll CR1          RTOIE         LL_USART_DisableIT_RTO
  * @param  USARTx USART Instance
  * @retval None
  */
__STATIC_INLINE void LL_USART_DisableIT_RTO(USART_TypeDef *USARTx)
{
  ATOMIC_CLEAR_BIT(USARTx->CR1, USART_CR1_RTOIE);
}
 
#if defined(USART_SMARTCARD_SUPPORT)
/**
  * @brief  Disable End Of Block Interrupt
  * @note   Macro IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not
  *         Smartcard feature is supported by the USARTx instance.
  * @rmtoll CR1          EOBIE         LL_USART_DisableIT_EOB
  * @param  USARTx USART Instance
  * @retval None
  */
__STATIC_INLINE void LL_USART_DisableIT_EOB(USART_TypeDef *USARTx)
{
  ATOMIC_CLEAR_BIT(USARTx->CR1, USART_CR1_EOBIE);
}
#endif /* USART_SMARTCARD_SUPPORT */
 
#if defined(USART_LIN_SUPPORT)
/**
  * @brief  Disable LIN Break Detection Interrupt
  * @note   Macro IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not
  *         LIN feature is supported by the USARTx instance.
  * @rmtoll CR2          LBDIE         LL_USART_DisableIT_LBD
  * @param  USARTx USART Instance
  * @retval None
  */

  * @param  USARTx USART Instance
  * @retval None
  */
__STATIC_INLINE void LL_USART_DisableIT_ERROR(USART_TypeDef *USARTx)
{
  ATOMIC_CLEAR_BIT(USARTx->CR3, USART_CR3_EIE);
}
 
/**
  * @brief  Disable CTS Interrupt
  * @note   Macro IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not
  *         Hardware Flow control feature is supported by the USARTx instance.
  * @rmtoll CR3          CTSIE         LL_USART_DisableIT_CTS
  * @param  USARTx USART Instance
  * @retval None
  */
__STATIC_INLINE void LL_USART_DisableIT_CTS(USART_TypeDef *USARTx)
{
  ATOMIC_CLEAR_BIT(USARTx->CR3, USART_CR3_CTSIE);
}
 
#if defined(USART_CR1_UESM)
#if defined(USART_CR3_WUFIE)
/**
  * @brief  Disable Wake Up from Stop Mode Interrupt
  * @note   Macro IS_UART_WAKEUP_FROMSTOP_INSTANCE(USARTx) can be used to check whether or not
  *         Wake-up from Stop mode feature is supported by the USARTx instance.
  * @rmtoll CR3          WUFIE         LL_USART_DisableIT_WKUP
  * @param  USARTx USART Instance
  * @retval None
  */
__STATIC_INLINE void LL_USART_DisableIT_WKUP(USART_TypeDef *USARTx)
{
  ATOMIC_CLEAR_BIT(USARTx->CR3, USART_CR3_WUFIE);
}
 
#endif /* USART_CR3_WUFIE */
#endif /* USART_CR1_UESM */
 
/**
  * @brief  Check if the USART IDLE Interrupt  source is enabled or disabled.
  * @rmtoll CR1          IDLEIE        LL_USART_IsEnabledIT_IDLE

}
 
#if defined(USART_SMARTCARD_SUPPORT)
/**
  * @brief  Check if the USART End Of Block Interrupt is enabled or disabled.
  * @note   Macro IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not
  *         Smartcard feature is supported by the USARTx instance.
  * @rmtoll CR1          EOBIE         LL_USART_IsEnabledIT_EOB
  * @param  USARTx USART Instance
  * @retval State of bit (1 or 0).
  */

 
#endif /* USART_SMARTCARD_SUPPORT */
#if defined(USART_LIN_SUPPORT)
/**
  * @brief  Check if the USART LIN Break Detection Interrupt is enabled or disabled.
  * @note   Macro IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not
  *         LIN feature is supported by the USARTx instance.
  * @rmtoll CR2          LBDIE         LL_USART_IsEnabledIT_LBD
  * @param  USARTx USART Instance
  * @retval State of bit (1 or 0).
  */

  return ((READ_BIT(USARTx->CR3, USART_CR3_EIE) == (USART_CR3_EIE)) ? 1UL : 0UL);
}
 
/**
  * @brief  Check if the USART CTS Interrupt is enabled or disabled.
  * @note   Macro IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not
  *         Hardware Flow control feature is supported by the USARTx instance.
  * @rmtoll CR3          CTSIE         LL_USART_IsEnabledIT_CTS
  * @param  USARTx USART Instance
  * @retval State of bit (1 or 0).
  */

{
  return ((READ_BIT(USARTx->CR3, USART_CR3_CTSIE) == (USART_CR3_CTSIE)) ? 1UL : 0UL);
}
 
#if defined(USART_CR1_UESM)
#if defined(USART_CR3_WUFIE)
/**
  * @brief  Check if the USART Wake Up from Stop Mode Interrupt is enabled or disabled.
  * @note   Macro IS_UART_WAKEUP_FROMSTOP_INSTANCE(USARTx) can be used to check whether or not
  *         Wake-up from Stop mode feature is supported by the USARTx instance.
  * @rmtoll CR3          WUFIE         LL_USART_IsEnabledIT_WKUP
  * @param  USARTx USART Instance
  * @retval State of bit (1 or 0).
  */
__STATIC_INLINE uint32_t LL_USART_IsEnabledIT_WKUP(USART_TypeDef *USARTx)
{
  return ((READ_BIT(USARTx->CR3, USART_CR3_WUFIE) == (USART_CR3_WUFIE)) ? 1UL : 0UL);
}
 
#endif /* USART_CR3_WUFIE */
#endif /* USART_CR1_UESM */
 
/**
  * @}
  */

  * @param  USARTx USART Instance
  * @retval None
  */
__STATIC_INLINE void LL_USART_EnableDMAReq_RX(USART_TypeDef *USARTx)
{
  ATOMIC_SET_BIT(USARTx->CR3, USART_CR3_DMAR);
}
 
/**
  * @brief  Disable DMA Mode for reception
  * @rmtoll CR3          DMAR          LL_USART_DisableDMAReq_RX
  * @param  USARTx USART Instance
  * @retval None
  */
__STATIC_INLINE void LL_USART_DisableDMAReq_RX(USART_TypeDef *USARTx)
{
  ATOMIC_CLEAR_BIT(USARTx->CR3, USART_CR3_DMAR);
}
 
/**
  * @brief  Check if DMA Mode is enabled for reception
  * @rmtoll CR3          DMAR          LL_USART_IsEnabledDMAReq_RX

  * @param  USARTx USART Instance
  * @retval None
  */
__STATIC_INLINE void LL_USART_EnableDMAReq_TX(USART_TypeDef *USARTx)
{
  ATOMIC_SET_BIT(USARTx->CR3, USART_CR3_DMAT);
}
 
/**
  * @brief  Disable DMA Mode for transmission
  * @rmtoll CR3          DMAT          LL_USART_DisableDMAReq_TX
  * @param  USARTx USART Instance
  * @retval None
  */
__STATIC_INLINE void LL_USART_DisableDMAReq_TX(USART_TypeDef *USARTx)
{
  ATOMIC_CLEAR_BIT(USARTx->CR3, USART_CR3_DMAT);
}
 
/**
  * @brief  Check if DMA Mode is enabled for transmission
  * @rmtoll CR3          DMAT          LL_USART_IsEnabledDMAReq_TX

  *         @arg @ref LL_USART_DMA_REG_DATA_RECEIVE
  * @retval Address of data register
  */
__STATIC_INLINE uint32_t LL_USART_DMA_GetRegAddr(USART_TypeDef *USARTx, uint32_t Direction)
{
  uint32_t data_reg_addr;
 
  if (Direction == LL_USART_DMA_REG_DATA_TRANSMIT)
  {
    /* return address of TDR register */
    data_reg_addr = (uint32_t) &(USARTx->TDR);

  * @{
  */
 
/**
  * @brief  Request an Automatic Baud Rate measurement on next received data frame
  * @note   Macro IS_USART_AUTOBAUDRATE_DETECTION_INSTANCE(USARTx) can be used to check whether or not
  *         Auto Baud Rate detection feature is supported by the USARTx instance.
  * @rmtoll RQR          ABRRQ         LL_USART_RequestAutoBaudRate
  * @param  USARTx USART Instance
  * @retval None
  */

}
 
#if defined(USART_SMARTCARD_SUPPORT)
/**
  * @brief  Request a Transmit data flush
  * @note   Macro IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not
  *         Smartcard feature is supported by the USARTx instance.
  * @rmtoll RQR          TXFRQ         LL_USART_RequestTxDataFlush
  * @param  USARTx USART Instance
  * @retval None
  */
Subversion Repositories FuelGauge

(root)/trunk/Drivers/STM32F0xx_HAL_Driver/Inc/stm32f0xx_ll_usart.h – Rev 2 → 6
