Functions
__STATIC_INLINE void	LL_USART_Enable (USART_TypeDef *USARTx)
	USART Enable.
__STATIC_INLINE void	LL_USART_Disable (USART_TypeDef *USARTx)
	USART Disable (all USART prescalers and outputs are disabled)
__STATIC_INLINE uint32_t	LL_USART_IsEnabled (USART_TypeDef *USARTx)
	Indicate if USART is enabled.
__STATIC_INLINE void	LL_USART_EnableDirectionRx (USART_TypeDef *USARTx)
	Receiver Enable (Receiver is enabled and begins searching for a start bit)
__STATIC_INLINE void	LL_USART_DisableDirectionRx (USART_TypeDef *USARTx)
	Receiver Disable.
__STATIC_INLINE void	LL_USART_EnableDirectionTx (USART_TypeDef *USARTx)
	Transmitter Enable.
__STATIC_INLINE void	LL_USART_DisableDirectionTx (USART_TypeDef *USARTx)
	Transmitter Disable.
__STATIC_INLINE void	LL_USART_SetTransferDirection (USART_TypeDef *USARTx, uint32_t TransferDirection)
	Configure simultaneously enabled/disabled states of Transmitter and Receiver.
__STATIC_INLINE uint32_t	LL_USART_GetTransferDirection (USART_TypeDef *USARTx)
	Return enabled/disabled states of Transmitter and Receiver.
__STATIC_INLINE void	LL_USART_SetParity (USART_TypeDef *USARTx, uint32_t Parity)
	Configure Parity (enabled/disabled and parity mode if enabled).
__STATIC_INLINE uint32_t	LL_USART_GetParity (USART_TypeDef *USARTx)
	Return Parity configuration (enabled/disabled and parity mode if enabled)
__STATIC_INLINE void	LL_USART_SetWakeUpMethod (USART_TypeDef *USARTx, uint32_t Method)
	Set Receiver Wake Up method from Mute mode.
__STATIC_INLINE uint32_t	LL_USART_GetWakeUpMethod (USART_TypeDef *USARTx)
	Return Receiver Wake Up method from Mute mode.
__STATIC_INLINE void	LL_USART_SetDataWidth (USART_TypeDef *USARTx, uint32_t DataWidth)
	Set Word length (i.e.
__STATIC_INLINE uint32_t	LL_USART_GetDataWidth (USART_TypeDef *USARTx)
	Return Word length (i.e.
__STATIC_INLINE void	LL_USART_SetOverSampling (USART_TypeDef *USARTx, uint32_t OverSampling)
	Set Oversampling to 8-bit or 16-bit mode.
__STATIC_INLINE uint32_t	LL_USART_GetOverSampling (USART_TypeDef *USARTx)
	Return Oversampling mode.
__STATIC_INLINE void	LL_USART_SetLastClkPulseOutput (USART_TypeDef *USARTx, uint32_t LastBitClockPulse)
	Configure if Clock pulse of the last data bit is output to the SCLK pin or not.
__STATIC_INLINE uint32_t	LL_USART_GetLastClkPulseOutput (USART_TypeDef *USARTx)
	Retrieve Clock pulse of the last data bit output configuration (Last bit Clock pulse output to the SCLK pin or not)
__STATIC_INLINE void	LL_USART_SetClockPhase (USART_TypeDef *USARTx, uint32_t ClockPhase)
	Select the phase of the clock output on the SCLK pin in synchronous mode.
__STATIC_INLINE uint32_t	LL_USART_GetClockPhase (USART_TypeDef *USARTx)
	Return phase of the clock output on the SCLK pin in synchronous mode.
__STATIC_INLINE void	LL_USART_SetClockPolarity (USART_TypeDef *USARTx, uint32_t ClockPolarity)
	Select the polarity of the clock output on the SCLK pin in synchronous mode.
__STATIC_INLINE uint32_t	LL_USART_GetClockPolarity (USART_TypeDef *USARTx)
	Return polarity of the clock output on the SCLK pin in synchronous mode.
__STATIC_INLINE void	LL_USART_ConfigClock (USART_TypeDef *USARTx, uint32_t Phase, uint32_t Polarity, uint32_t LBCPOutput)
	Configure Clock signal format (Phase Polarity and choice about output of last bit clock pulse)
__STATIC_INLINE void	LL_USART_EnableSCLKOutput (USART_TypeDef *USARTx)
	Enable Clock output on SCLK pin.
__STATIC_INLINE void	LL_USART_DisableSCLKOutput (USART_TypeDef *USARTx)
	Disable Clock output on SCLK pin.
__STATIC_INLINE uint32_t	LL_USART_IsEnabledSCLKOutput (USART_TypeDef *USARTx)
	Indicate if Clock output on SCLK pin is enabled.
__STATIC_INLINE void	LL_USART_SetStopBitsLength (USART_TypeDef *USARTx, uint32_t StopBits)
	Set the length of the stop bits.
__STATIC_INLINE uint32_t	LL_USART_GetStopBitsLength (USART_TypeDef *USARTx)
	Retrieve the length of the stop bits.
__STATIC_INLINE void	LL_USART_ConfigCharacter (USART_TypeDef *USARTx, uint32_t DataWidth, uint32_t Parity, uint32_t StopBits)
	Configure Character frame format (Datawidth, Parity control, Stop Bits)
__STATIC_INLINE void	LL_USART_SetNodeAddress (USART_TypeDef *USARTx, uint32_t NodeAddress)
	Set Address of the USART node.
__STATIC_INLINE uint32_t	LL_USART_GetNodeAddress (USART_TypeDef *USARTx)
	Return 4 bit Address of the USART node as set in ADD field of CR2.
__STATIC_INLINE void	LL_USART_EnableRTSHWFlowCtrl (USART_TypeDef *USARTx)
	Enable RTS HW Flow Control.
__STATIC_INLINE void	LL_USART_DisableRTSHWFlowCtrl (USART_TypeDef *USARTx)
	Disable RTS HW Flow Control.
__STATIC_INLINE void	LL_USART_EnableCTSHWFlowCtrl (USART_TypeDef *USARTx)
	Enable CTS HW Flow Control.
__STATIC_INLINE void	LL_USART_DisableCTSHWFlowCtrl (USART_TypeDef *USARTx)
	Disable CTS HW Flow Control.
__STATIC_INLINE void	LL_USART_SetHWFlowCtrl (USART_TypeDef *USARTx, uint32_t HardwareFlowControl)
	Configure HW Flow Control mode (both CTS and RTS)
__STATIC_INLINE uint32_t	LL_USART_GetHWFlowCtrl (USART_TypeDef *USARTx)
	Return HW Flow Control configuration (both CTS and RTS)
__STATIC_INLINE void	LL_USART_EnableOneBitSamp (USART_TypeDef *USARTx)
	Enable One bit sampling method.
__STATIC_INLINE void	LL_USART_DisableOneBitSamp (USART_TypeDef *USARTx)
	Disable One bit sampling method.
__STATIC_INLINE uint32_t	LL_USART_IsEnabledOneBitSamp (USART_TypeDef *USARTx)
	Indicate if One bit sampling method is enabled.
__STATIC_INLINE void	LL_USART_SetBaudRate (USART_TypeDef *USARTx, uint32_t PeriphClk, uint32_t OverSampling, uint32_t BaudRate)
	Configure USART BRR register for achieving expected Baud Rate value.
__STATIC_INLINE uint32_t	LL_USART_GetBaudRate (USART_TypeDef *USARTx, uint32_t PeriphClk, uint32_t OverSampling)
	Return current Baud Rate value, according to USARTDIV present in BRR register (full BRR content), and to used Peripheral Clock and Oversampling mode values.

Function Documentation

__STATIC_INLINE void LL_USART_ConfigCharacter	(	USART_TypeDef *	USARTx,
		uint32_t	DataWidth,
		uint32_t	Parity,
		uint32_t	StopBits
	)

Configure Character frame format (Datawidth, Parity control, Stop Bits)

Note:

Call of this function is equivalent to following function call sequence :

Data Width configuration using LL_USART_SetDataWidth() function
Parity Control and mode configuration using LL_USART_SetParity() function
Stop bits configuration using LL_USART_SetStopBitsLength() function

Reference Manual to LL API cross reference:: CR1 PS LL_USART_ConfigCharacter
CR1 PCE LL_USART_ConfigCharacter
CR1 M LL_USART_ConfigCharacter
CR2 STOP LL_USART_ConfigCharacter

Parameters:

USARTx	USART Instance
DataWidth	This parameter can be one of the following values: LL_USART_DATAWIDTH_8B LL_USART_DATAWIDTH_9B
Parity	This parameter can be one of the following values: LL_USART_PARITY_NONE LL_USART_PARITY_EVEN LL_USART_PARITY_ODD
StopBits	This parameter can be one of the following values: LL_USART_STOPBITS_0_5 LL_USART_STOPBITS_1 LL_USART_STOPBITS_1_5 LL_USART_STOPBITS_2

Return values:

None

Definition at line 851 of file stm32f4xx_ll_usart.h.

__STATIC_INLINE void LL_USART_ConfigClock	(	USART_TypeDef *	USARTx,
		uint32_t	Phase,
		uint32_t	Polarity,
		uint32_t	LBCPOutput
	)

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.

Call of this function is equivalent to following function call sequence :

Clock Phase configuration using LL_USART_SetClockPhase() function
Clock Polarity configuration using LL_USART_SetClockPolarity() function
Output of Last bit Clock pulse configuration using LL_USART_SetLastClkPulseOutput() function

Reference Manual to LL API cross reference:: CR2 CPHA LL_USART_ConfigClock
CR2 CPOL LL_USART_ConfigClock
CR2 LBCL LL_USART_ConfigClock

Parameters:

USARTx	USART Instance
Phase	This parameter can be one of the following values: LL_USART_PHASE_1EDGE LL_USART_PHASE_2EDGE
Polarity	This parameter can be one of the following values: LL_USART_POLARITY_LOW LL_USART_POLARITY_HIGH
LBCPOutput	This parameter can be one of the following values: LL_USART_LASTCLKPULSE_NO_OUTPUT LL_USART_LASTCLKPULSE_OUTPUT

Return values:

None

Definition at line 751 of file stm32f4xx_ll_usart.h.

__STATIC_INLINE void LL_USART_Disable ( USART_TypeDef * USARTx )

USART Disable (all USART prescalers and outputs are disabled)

Note:: When USART is disabled, USART prescalers and outputs are stopped immediately, and current operations are discarded. The configuration of the USART is kept, but all the status flags, in the USARTx_SR are set to their default values.

Reference Manual to LL API cross reference:: CR1 UE LL_USART_Disable

Parameters:

USARTx USART Instance

Return values:

None

Definition at line 425 of file stm32f4xx_ll_usart.h.

__STATIC_INLINE void LL_USART_DisableCTSHWFlowCtrl ( USART_TypeDef * USARTx )

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.

Reference Manual to LL API cross reference:: CR3 CTSE LL_USART_DisableCTSHWFlowCtrl

Parameters:

USARTx USART Instance

Return values:

None

Definition at line 931 of file stm32f4xx_ll_usart.h.

__STATIC_INLINE void LL_USART_DisableDirectionRx ( USART_TypeDef * USARTx )

Receiver Disable.

Reference Manual to LL API cross reference:: CR1 RE LL_USART_DisableDirectionRx

Parameters:

USARTx USART Instance

Return values:

None

Definition at line 458 of file stm32f4xx_ll_usart.h.

__STATIC_INLINE void LL_USART_DisableDirectionTx ( USART_TypeDef * USARTx )

Transmitter Disable.

Reference Manual to LL API cross reference:: CR1 TE LL_USART_DisableDirectionTx

Parameters:

USARTx USART Instance

Return values:

None

Definition at line 480 of file stm32f4xx_ll_usart.h.

__STATIC_INLINE void LL_USART_DisableOneBitSamp ( USART_TypeDef * USARTx )

Disable One bit sampling method.

Reference Manual to LL API cross reference:: CR3 ONEBIT LL_USART_DisableOneBitSamp

Parameters:

USARTx USART Instance

Return values:

None

Definition at line 990 of file stm32f4xx_ll_usart.h.

__STATIC_INLINE void LL_USART_DisableRTSHWFlowCtrl ( USART_TypeDef * USARTx )

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.

Reference Manual to LL API cross reference:: CR3 RTSE LL_USART_DisableRTSHWFlowCtrl

Parameters:

USARTx USART Instance

Return values:

None

Definition at line 905 of file stm32f4xx_ll_usart.h.

__STATIC_INLINE void LL_USART_DisableSCLKOutput ( USART_TypeDef * USARTx )

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.

Reference Manual to LL API cross reference:: CR2 CLKEN LL_USART_DisableSCLKOutput

Parameters:

USARTx USART Instance

Return values:

None

Definition at line 777 of file stm32f4xx_ll_usart.h.

Referenced by LL_USART_ClockInit().

__STATIC_INLINE void LL_USART_Enable ( USART_TypeDef * USARTx )

USART Enable.

Reference Manual to LL API cross reference:: CR1 UE LL_USART_Enable

Parameters:

USARTx USART Instance

Return values:

None

Definition at line 411 of file stm32f4xx_ll_usart.h.

__STATIC_INLINE void LL_USART_EnableCTSHWFlowCtrl ( USART_TypeDef * USARTx )

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.

Reference Manual to LL API cross reference:: CR3 CTSE LL_USART_EnableCTSHWFlowCtrl

Parameters:

USARTx USART Instance

Return values:

None

Definition at line 918 of file stm32f4xx_ll_usart.h.

__STATIC_INLINE void LL_USART_EnableDirectionRx ( USART_TypeDef * USARTx )

Receiver Enable (Receiver is enabled and begins searching for a start bit)

Reference Manual to LL API cross reference:: CR1 RE LL_USART_EnableDirectionRx

Parameters:

USARTx USART Instance

Return values:

None

Definition at line 447 of file stm32f4xx_ll_usart.h.

__STATIC_INLINE void LL_USART_EnableDirectionTx ( USART_TypeDef * USARTx )

Transmitter Enable.

Reference Manual to LL API cross reference:: CR1 TE LL_USART_EnableDirectionTx

Parameters:

USARTx USART Instance

Return values:

None

Definition at line 469 of file stm32f4xx_ll_usart.h.

__STATIC_INLINE void LL_USART_EnableOneBitSamp ( USART_TypeDef * USARTx )

Enable One bit sampling method.

Reference Manual to LL API cross reference:: CR3 ONEBIT LL_USART_EnableOneBitSamp

Parameters:

USARTx USART Instance

Return values:

None

Definition at line 979 of file stm32f4xx_ll_usart.h.

__STATIC_INLINE void LL_USART_EnableRTSHWFlowCtrl ( USART_TypeDef * USARTx )

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.

Reference Manual to LL API cross reference:: CR3 RTSE LL_USART_EnableRTSHWFlowCtrl

Parameters:

USARTx USART Instance

Return values:

None

Definition at line 892 of file stm32f4xx_ll_usart.h.

__STATIC_INLINE void LL_USART_EnableSCLKOutput ( USART_TypeDef * USARTx )

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.

Reference Manual to LL API cross reference:: CR2 CLKEN LL_USART_EnableSCLKOutput

Parameters:

USARTx USART Instance

Return values:

None

Definition at line 764 of file stm32f4xx_ll_usart.h.

__STATIC_INLINE uint32_t LL_USART_GetBaudRate	(	USART_TypeDef *	USARTx,
		uint32_t	PeriphClk,
		uint32_t	OverSampling
	)

Return current Baud Rate value, according to USARTDIV present in BRR register (full BRR content), and to used Peripheral Clock and Oversampling mode values.

Note:: In case of non-initialized or invalid value stored in BRR register, value 0 will be returned.

Reference Manual to LL API cross reference:: BRR BRR LL_USART_GetBaudRate

Parameters:

USARTx	USART Instance
PeriphClk	Peripheral Clock
OverSampling	This parameter can be one of the following values: LL_USART_OVERSAMPLING_16 LL_USART_OVERSAMPLING_8

Return values:

Baud Rate

Definition at line 1046 of file stm32f4xx_ll_usart.h.

References LL_USART_OVERSAMPLING_8.

__STATIC_INLINE uint32_t LL_USART_GetClockPhase ( USART_TypeDef * USARTx )

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.

Reference Manual to LL API cross reference:: CR2 CPHA LL_USART_GetClockPhase

Parameters:

USARTx USART Instance

Return values:

Returned

value can be one of the following values:

Definition at line 692 of file stm32f4xx_ll_usart.h.

__STATIC_INLINE uint32_t LL_USART_GetClockPolarity ( USART_TypeDef * USARTx )

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.

Reference Manual to LL API cross reference:: CR2 CPOL LL_USART_GetClockPolarity

Parameters:

USARTx USART Instance

Return values:

Returned

value can be one of the following values:

Definition at line 723 of file stm32f4xx_ll_usart.h.

__STATIC_INLINE uint32_t LL_USART_GetDataWidth ( USART_TypeDef * USARTx )

Return Word length (i.e.

nb of data bits, excluding start and stop bits)

Reference Manual to LL API cross reference:: CR1 M LL_USART_GetDataWidth

Parameters:

USARTx USART Instance

Return values:

Returned

value can be one of the following values:

Definition at line 602 of file stm32f4xx_ll_usart.h.

__STATIC_INLINE uint32_t LL_USART_GetHWFlowCtrl ( USART_TypeDef * USARTx )

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.

Reference Manual to LL API cross reference:: CR3 RTSE LL_USART_GetHWFlowCtrl
CR3 CTSE LL_USART_GetHWFlowCtrl

Parameters:

USARTx USART Instance

Return values:

Returned

value can be one of the following values:

Definition at line 968 of file stm32f4xx_ll_usart.h.

__STATIC_INLINE uint32_t LL_USART_GetLastClkPulseOutput ( USART_TypeDef * USARTx )

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.

Reference Manual to LL API cross reference:: CR2 LBCL LL_USART_GetLastClkPulseOutput

Parameters:

USARTx USART Instance

Return values:

Returned

value can be one of the following values:

Definition at line 661 of file stm32f4xx_ll_usart.h.

__STATIC_INLINE uint32_t LL_USART_GetNodeAddress ( USART_TypeDef * USARTx )

Return 4 bit Address of the USART node as set in ADD field of CR2.

Note:: only 4bits (b3-b0) of returned value are relevant (b31-b4 are not relevant)

Reference Manual to LL API cross reference:: CR2 ADD LL_USART_GetNodeAddress

Parameters:

USARTx USART Instance

Return values:

Address of the USART node (Value between Min_Data=0 and Max_Data=255)

Definition at line 879 of file stm32f4xx_ll_usart.h.

__STATIC_INLINE uint32_t LL_USART_GetOverSampling ( USART_TypeDef * USARTx )

Return Oversampling mode.

Reference Manual to LL API cross reference:: CR1 OVER8 LL_USART_GetOverSampling

Parameters:

USARTx USART Instance

Return values:

Returned

value can be one of the following values:

Definition at line 629 of file stm32f4xx_ll_usart.h.

__STATIC_INLINE uint32_t LL_USART_GetParity ( USART_TypeDef * USARTx )

Return Parity configuration (enabled/disabled and parity mode if enabled)

Reference Manual to LL API cross reference:: CR1 PS LL_USART_GetParity
CR1 PCE LL_USART_GetParity

Parameters:

USARTx USART Instance

Return values:

Returned

value can be one of the following values:

Definition at line 548 of file stm32f4xx_ll_usart.h.

__STATIC_INLINE uint32_t LL_USART_GetStopBitsLength ( USART_TypeDef * USARTx )

Retrieve the length of the stop bits.

Reference Manual to LL API cross reference:: CR2 STOP LL_USART_GetStopBitsLength

Parameters:

USARTx USART Instance

Return values:

Returned

value can be one of the following values:

Definition at line 821 of file stm32f4xx_ll_usart.h.

__STATIC_INLINE uint32_t LL_USART_GetTransferDirection ( USART_TypeDef * USARTx )

Return enabled/disabled states of Transmitter and Receiver.

Reference Manual to LL API cross reference:: CR1 RE LL_USART_GetTransferDirection
CR1 TE LL_USART_GetTransferDirection

Parameters:

USARTx USART Instance

Return values:

Returned

value can be one of the following values:

Definition at line 514 of file stm32f4xx_ll_usart.h.

__STATIC_INLINE uint32_t LL_USART_GetWakeUpMethod ( USART_TypeDef * USARTx )

Return Receiver Wake Up method from Mute mode.

Reference Manual to LL API cross reference:: CR1 WAKE LL_USART_GetWakeUpMethod

Parameters:

USARTx USART Instance

Return values:

Returned

value can be one of the following values:

Definition at line 575 of file stm32f4xx_ll_usart.h.

__STATIC_INLINE uint32_t LL_USART_IsEnabled ( USART_TypeDef * USARTx )

Indicate if USART is enabled.

Reference Manual to LL API cross reference:: CR1 UE LL_USART_IsEnabled

Parameters:

USARTx USART Instance

Return values:

State of bit (1 or 0).

Definition at line 436 of file stm32f4xx_ll_usart.h.

Referenced by LL_USART_ClockInit(), and LL_USART_Init().

__STATIC_INLINE uint32_t LL_USART_IsEnabledOneBitSamp ( USART_TypeDef * USARTx )

Indicate if One bit sampling method is enabled.

Reference Manual to LL API cross reference:: CR3 ONEBIT LL_USART_IsEnabledOneBitSamp

Parameters:

USARTx USART Instance

Return values:

State of bit (1 or 0).

Definition at line 1001 of file stm32f4xx_ll_usart.h.

__STATIC_INLINE uint32_t LL_USART_IsEnabledSCLKOutput ( USART_TypeDef * USARTx )

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.

Reference Manual to LL API cross reference:: CR2 CLKEN LL_USART_IsEnabledSCLKOutput

Parameters:

USARTx USART Instance

Return values:

State of bit (1 or 0).

Definition at line 790 of file stm32f4xx_ll_usart.h.

__STATIC_INLINE void LL_USART_SetBaudRate	(	USART_TypeDef *	USARTx,
		uint32_t	PeriphClk,
		uint32_t	OverSampling,
		uint32_t	BaudRate
	)

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; Peripheral clock and Baud rate values provided as function parameters should be valid (Baud rate value != 0)

Reference Manual to LL API cross reference:: BRR BRR LL_USART_SetBaudRate

Parameters:

USARTx	USART Instance
PeriphClk	Peripheral Clock
OverSampling	This parameter can be one of the following values: LL_USART_OVERSAMPLING_16 LL_USART_OVERSAMPLING_8
BaudRate	Baud Rate

Return values:

None

Definition at line 1021 of file stm32f4xx_ll_usart.h.

References __LL_USART_DIV_SAMPLING16, __LL_USART_DIV_SAMPLING8, and LL_USART_OVERSAMPLING_8.

Referenced by LL_USART_Init().

__STATIC_INLINE void LL_USART_SetClockPhase	(	USART_TypeDef *	USARTx,
		uint32_t	ClockPhase
	)

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.

Reference Manual to LL API cross reference:: CR2 CPHA LL_USART_SetClockPhase

Parameters:

USARTx	USART Instance
ClockPhase	This parameter can be one of the following values: LL_USART_PHASE_1EDGE LL_USART_PHASE_2EDGE

Return values:

None

Definition at line 677 of file stm32f4xx_ll_usart.h.

__STATIC_INLINE void LL_USART_SetClockPolarity	(	USART_TypeDef *	USARTx,
		uint32_t	ClockPolarity
	)

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.

Reference Manual to LL API cross reference:: CR2 CPOL LL_USART_SetClockPolarity

Parameters:

USARTx	USART Instance
ClockPolarity	This parameter can be one of the following values: LL_USART_POLARITY_LOW LL_USART_POLARITY_HIGH

Return values:

None

Definition at line 708 of file stm32f4xx_ll_usart.h.

__STATIC_INLINE void LL_USART_SetDataWidth	(	USART_TypeDef *	USARTx,
		uint32_t	DataWidth
	)

Set Word length (i.e.

nb of data bits, excluding start and stop bits)

Reference Manual to LL API cross reference:: CR1 M LL_USART_SetDataWidth

Parameters:

USARTx	USART Instance
DataWidth	This parameter can be one of the following values: LL_USART_DATAWIDTH_8B LL_USART_DATAWIDTH_9B

Return values:

None

Definition at line 589 of file stm32f4xx_ll_usart.h.

__STATIC_INLINE void LL_USART_SetHWFlowCtrl	(	USART_TypeDef *	USARTx,
		uint32_t	HardwareFlowControl
	)

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.

Reference Manual to LL API cross reference:: CR3 RTSE LL_USART_SetHWFlowCtrl
CR3 CTSE LL_USART_SetHWFlowCtrl

Parameters:

USARTx	USART Instance
HardwareFlowControl	This parameter can be one of the following values: LL_USART_HWCONTROL_NONE LL_USART_HWCONTROL_RTS LL_USART_HWCONTROL_CTS LL_USART_HWCONTROL_RTS_CTS

Return values:

None

Definition at line 950 of file stm32f4xx_ll_usart.h.

Referenced by LL_USART_Init().

__STATIC_INLINE void LL_USART_SetLastClkPulseOutput	(	USART_TypeDef *	USARTx,
		uint32_t	LastBitClockPulse
	)

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.

Reference Manual to LL API cross reference:: CR2 LBCL LL_USART_SetLastClkPulseOutput

Parameters:

USARTx	USART Instance
LastBitClockPulse	This parameter can be one of the following values: LL_USART_LASTCLKPULSE_NO_OUTPUT LL_USART_LASTCLKPULSE_OUTPUT

Return values:

None

Definition at line 645 of file stm32f4xx_ll_usart.h.

__STATIC_INLINE void LL_USART_SetNodeAddress	(	USART_TypeDef *	USARTx,
		uint32_t	NodeAddress
	)

Set Address of the USART node.

Note:: This is used in multiprocessor communication during Mute mode or Stop mode, for wake up with address mark detection.

Reference Manual to LL API cross reference:: CR2 ADD LL_USART_SetNodeAddress

Parameters:

USARTx	USART Instance
NodeAddress	4 bit Address of the USART node.

Return values:

None

Definition at line 867 of file stm32f4xx_ll_usart.h.

__STATIC_INLINE void LL_USART_SetOverSampling	(	USART_TypeDef *	USARTx,
		uint32_t	OverSampling
	)

Set Oversampling to 8-bit or 16-bit mode.

Reference Manual to LL API cross reference:: CR1 OVER8 LL_USART_SetOverSampling

Parameters:

USARTx	USART Instance
OverSampling	This parameter can be one of the following values: LL_USART_OVERSAMPLING_16 LL_USART_OVERSAMPLING_8

Return values:

None

Definition at line 616 of file stm32f4xx_ll_usart.h.

__STATIC_INLINE void LL_USART_SetParity	(	USART_TypeDef *	USARTx,
		uint32_t	Parity
	)

Configure Parity (enabled/disabled and parity mode if enabled).

Note:: This function selects if hardware parity control (generation and detection) is enabled or disabled. When the parity control is enabled (Odd or Even), computed parity bit is inserted at the MSB position (9th or 8th bit depending on data width) and parity is checked on the received data.

Reference Manual to LL API cross reference:: CR1 PS LL_USART_SetParity
CR1 PCE LL_USART_SetParity

Parameters:

USARTx	USART Instance
Parity	This parameter can be one of the following values: LL_USART_PARITY_NONE LL_USART_PARITY_EVEN LL_USART_PARITY_ODD

Return values:

None

Definition at line 533 of file stm32f4xx_ll_usart.h.

__STATIC_INLINE void LL_USART_SetStopBitsLength	(	USART_TypeDef *	USARTx,
		uint32_t	StopBits
	)

Set the length of the stop bits.

Reference Manual to LL API cross reference:: CR2 STOP LL_USART_SetStopBitsLength

Parameters:

USARTx	USART Instance
StopBits	This parameter can be one of the following values: LL_USART_STOPBITS_0_5 LL_USART_STOPBITS_1 LL_USART_STOPBITS_1_5 LL_USART_STOPBITS_2

Return values:

None

Definition at line 806 of file stm32f4xx_ll_usart.h.

Referenced by LL_USART_Init().

__STATIC_INLINE void LL_USART_SetTransferDirection	(	USART_TypeDef *	USARTx,
		uint32_t	TransferDirection
	)

Configure simultaneously enabled/disabled states of Transmitter and Receiver.

Reference Manual to LL API cross reference:: CR1 RE LL_USART_SetTransferDirection
CR1 TE LL_USART_SetTransferDirection

Parameters:

USARTx	USART Instance
TransferDirection	This parameter can be one of the following values: LL_USART_DIRECTION_NONE LL_USART_DIRECTION_RX LL_USART_DIRECTION_TX LL_USART_DIRECTION_TX_RX

Return values:

None

Definition at line 498 of file stm32f4xx_ll_usart.h.

__STATIC_INLINE void LL_USART_SetWakeUpMethod	(	USART_TypeDef *	USARTx,
		uint32_t	Method
	)

Set Receiver Wake Up method from Mute mode.

Reference Manual to LL API cross reference:: CR1 WAKE LL_USART_SetWakeUpMethod

Parameters:

USARTx	USART Instance
Method	This parameter can be one of the following values: LL_USART_WAKEUP_IDLELINE LL_USART_WAKEUP_ADDRESSMARK

Return values:

None

Definition at line 562 of file stm32f4xx_ll_usart.h.

Functions

Function Documentation