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_EnableFIFO (USART_TypeDef *USARTx)
	FIFO Mode Enable.
__STATIC_INLINE void	LL_USART_DisableFIFO (USART_TypeDef *USARTx)
	FIFO Mode Disable.
__STATIC_INLINE uint32_t	LL_USART_IsEnabledFIFO (USART_TypeDef *USARTx)
	Indicate if FIFO Mode is enabled.
__STATIC_INLINE void	LL_USART_SetTXFIFOThreshold (USART_TypeDef *USARTx, uint32_t Threshold)
	Configure TX FIFO Threshold.
__STATIC_INLINE uint32_t	LL_USART_GetTXFIFOThreshold (USART_TypeDef *USARTx)
	Return TX FIFO Threshold Configuration.
__STATIC_INLINE void	LL_USART_SetRXFIFOThreshold (USART_TypeDef *USARTx, uint32_t Threshold)
	Configure RX FIFO Threshold.
__STATIC_INLINE uint32_t	LL_USART_GetRXFIFOThreshold (USART_TypeDef *USARTx)
	Return RX FIFO Threshold Configuration.
__STATIC_INLINE void	LL_USART_ConfigFIFOsThreshold (USART_TypeDef *USARTx, uint32_t TXThreshold, uint32_t RXThreshold)
	Configure TX and RX FIFOs Threshold.
__STATIC_INLINE void	LL_USART_EnableInStopMode (USART_TypeDef *USARTx)
	USART enabled in STOP Mode.
__STATIC_INLINE void	LL_USART_DisableInStopMode (USART_TypeDef *USARTx)
	USART disabled in STOP Mode.
__STATIC_INLINE uint32_t	LL_USART_IsEnabledInStopMode (USART_TypeDef *USARTx)
	Indicate if USART is enabled in STOP Mode (able to wake up MCU from Stop mode or not)
__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_EnableMuteMode (USART_TypeDef *USARTx)
	Allow switch between Mute Mode and Active mode.
__STATIC_INLINE void	LL_USART_DisableMuteMode (USART_TypeDef *USARTx)
	Prevent Mute Mode use.
__STATIC_INLINE uint32_t	LL_USART_IsEnabledMuteMode (USART_TypeDef *USARTx)
	Indicate if switch between Mute Mode and Active mode is allowed.
__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_SetPrescaler (USART_TypeDef *USARTx, uint32_t PrescalerValue)
	Configure Clock source prescaler for baudrate generator and oversampling.
__STATIC_INLINE uint32_t	LL_USART_GetPrescaler (USART_TypeDef *USARTx)
	Retrieve the Clock source prescaler for baudrate generator and oversampling.
__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_SetTXRXSwap (USART_TypeDef *USARTx, uint32_t SwapConfig)
	Configure TX/RX pins swapping setting.
__STATIC_INLINE uint32_t	LL_USART_GetTXRXSwap (USART_TypeDef *USARTx)
	Retrieve TX/RX pins swapping configuration.
__STATIC_INLINE void	LL_USART_SetRXPinLevel (USART_TypeDef *USARTx, uint32_t PinInvMethod)
	Configure RX pin active level logic.
__STATIC_INLINE uint32_t	LL_USART_GetRXPinLevel (USART_TypeDef *USARTx)
	Retrieve RX pin active level logic configuration.
__STATIC_INLINE void	LL_USART_SetTXPinLevel (USART_TypeDef *USARTx, uint32_t PinInvMethod)
	Configure TX pin active level logic.
__STATIC_INLINE uint32_t	LL_USART_GetTXPinLevel (USART_TypeDef *USARTx)
	Retrieve TX pin active level logic configuration.
__STATIC_INLINE void	LL_USART_SetBinaryDataLogic (USART_TypeDef *USARTx, uint32_t DataLogic)
	Configure Binary data logic.
__STATIC_INLINE uint32_t	LL_USART_GetBinaryDataLogic (USART_TypeDef *USARTx)
	Retrieve Binary data configuration.
__STATIC_INLINE void	LL_USART_SetTransferBitOrder (USART_TypeDef *USARTx, uint32_t BitOrder)
	Configure transfer bit order (either Less or Most Significant Bit First)
__STATIC_INLINE uint32_t	LL_USART_GetTransferBitOrder (USART_TypeDef *USARTx)
	Return transfer bit order (either Less or Most Significant Bit First)
__STATIC_INLINE void	LL_USART_EnableAutoBaudRate (USART_TypeDef *USARTx)
	Enable Auto Baud-Rate Detection.
__STATIC_INLINE void	LL_USART_DisableAutoBaudRate (USART_TypeDef *USARTx)
	Disable Auto Baud-Rate Detection.
__STATIC_INLINE uint32_t	LL_USART_IsEnabledAutoBaud (USART_TypeDef *USARTx)
	Indicate if Auto Baud-Rate Detection mechanism is enabled.
__STATIC_INLINE void	LL_USART_SetAutoBaudRateMode (USART_TypeDef *USARTx, uint32_t AutoBaudRateMode)
	Set Auto Baud-Rate mode bits.
__STATIC_INLINE uint32_t	LL_USART_GetAutoBaudRateMode (USART_TypeDef *USARTx)
	Return Auto Baud-Rate mode.
__STATIC_INLINE void	LL_USART_EnableRxTimeout (USART_TypeDef *USARTx)
	Enable Receiver Timeout.
__STATIC_INLINE void	LL_USART_DisableRxTimeout (USART_TypeDef *USARTx)
	Disable Receiver Timeout.
__STATIC_INLINE uint32_t	LL_USART_IsEnabledRxTimeout (USART_TypeDef *USARTx)
	Indicate if Receiver Timeout feature is enabled.
__STATIC_INLINE void	LL_USART_ConfigNodeAddress (USART_TypeDef *USARTx, uint32_t AddressLen, uint32_t NodeAddress)
	Set Address of the USART node.
__STATIC_INLINE uint32_t	LL_USART_GetNodeAddress (USART_TypeDef *USARTx)
	Return 8 bit Address of the USART node as set in ADD field of CR2.
__STATIC_INLINE uint32_t	LL_USART_GetNodeAddressLen (USART_TypeDef *USARTx)
	Return Length of Node Address used in Address Detection mode (7-bit or 4-bit)
__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_EnableOverrunDetect (USART_TypeDef *USARTx)
	Enable Overrun detection.
__STATIC_INLINE void	LL_USART_DisableOverrunDetect (USART_TypeDef *USARTx)
	Disable Overrun detection.
__STATIC_INLINE uint32_t	LL_USART_IsEnabledOverrunDetect (USART_TypeDef *USARTx)
	Indicate if Overrun detection is enabled.
__STATIC_INLINE void	LL_USART_SetWKUPType (USART_TypeDef *USARTx, uint32_t Type)
	Select event type for Wake UP Interrupt Flag (WUS[1:0] bits)
__STATIC_INLINE uint32_t	LL_USART_GetWKUPType (USART_TypeDef *USARTx)
	Return event type for Wake UP Interrupt Flag (WUS[1:0] bits)
__STATIC_INLINE void	LL_USART_SetBaudRate (USART_TypeDef *USARTx, uint32_t PeriphClk, uint32_t PrescalerValue, 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 PrescalerValue, 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.
__STATIC_INLINE void	LL_USART_SetRxTimeout (USART_TypeDef *USARTx, uint32_t Timeout)
	Set Receiver Time Out Value (expressed in nb of bits duration)
__STATIC_INLINE uint32_t	LL_USART_GetRxTimeout (USART_TypeDef *USARTx)
	Get Receiver Time Out Value (expressed in nb of bits duration)
__STATIC_INLINE void	LL_USART_SetBlockLength (USART_TypeDef *USARTx, uint32_t BlockLength)
	Set Block Length value in reception.
__STATIC_INLINE uint32_t	LL_USART_GetBlockLength (USART_TypeDef *USARTx)
	Get Block Length value in reception.

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 M0 LL_USART_ConfigCharacter
CR1 M1 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_7B 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 1346 of file stm32h7xx_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 1193 of file stm32h7xx_ll_usart.h.

__STATIC_INLINE void LL_USART_ConfigFIFOsThreshold	(	USART_TypeDef *	USARTx,
		uint32_t	TXThreshold,
		uint32_t	RXThreshold
	)

Configure TX and RX FIFOs Threshold.

Note:: Macro IS_UART_FIFO_INSTANCE(USARTx) can be used to check whether or not FIFO mode feature is supported by the USARTx instance.

Reference Manual to LL API cross reference:: CR3 TXFTCFG LL_USART_ConfigFIFOsThreshold
CR3 RXFTCFG LL_USART_ConfigFIFOsThreshold

Parameters:

USARTx	USART Instance
TXThreshold	This parameter can be one of the following values: LL_USART_FIFOTHRESHOLD_1_8 LL_USART_FIFOTHRESHOLD_1_4 LL_USART_FIFOTHRESHOLD_1_2 LL_USART_FIFOTHRESHOLD_3_4 LL_USART_FIFOTHRESHOLD_7_8 LL_USART_FIFOTHRESHOLD_8_8
RXThreshold	This parameter can be one of the following values: LL_USART_FIFOTHRESHOLD_1_8 LL_USART_FIFOTHRESHOLD_1_4 LL_USART_FIFOTHRESHOLD_1_2 LL_USART_FIFOTHRESHOLD_3_4 LL_USART_FIFOTHRESHOLD_7_8 LL_USART_FIFOTHRESHOLD_8_8

Return values:

None

Definition at line 798 of file stm32h7xx_ll_usart.h.

__STATIC_INLINE void LL_USART_ConfigNodeAddress	(	USART_TypeDef *	USARTx,
		uint32_t	AddressLen,
		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.; 4bits address node is used when 4-bit Address Detection is selected in ADDM7. (b7-b4 should be set to 0) 8bits address node is used when 7-bit Address Detection is selected in ADDM7. (This is used in multiprocessor communication during Mute mode or Stop mode, for wake up with 7-bit address mark detection. The MSB of the character sent by the transmitter should be equal to 1. It may also be used for character detection during normal reception, Mute mode inactive (for example, end of block detection in ModBus protocol). In this case, the whole received character (8-bit) is compared to the ADD[7:0] value and CMF flag is set on match)

Reference Manual to LL API cross reference:: CR2 ADD LL_USART_ConfigNodeAddress
CR2 ADDM7 LL_USART_ConfigNodeAddress

Parameters:

USARTx	USART Instance
AddressLen	This parameter can be one of the following values: LL_USART_ADDRESS_DETECT_4B LL_USART_ADDRESS_DETECT_7B
NodeAddress	4 or 7 bit Address of the USART node.

Return values:

None

Definition at line 1624 of file stm32h7xx_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_ISR 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 642 of file stm32h7xx_ll_usart.h.

__STATIC_INLINE void LL_USART_DisableAutoBaudRate ( USART_TypeDef * USARTx )

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.

Reference Manual to LL API cross reference:: CR2 ABREN LL_USART_DisableAutoBaudRate

Parameters:

USARTx USART Instance

Return values:

None

Definition at line 1515 of file stm32h7xx_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 1705 of file stm32h7xx_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 863 of file stm32h7xx_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 885 of file stm32h7xx_ll_usart.h.

__STATIC_INLINE void LL_USART_DisableFIFO ( USART_TypeDef * USARTx )

FIFO Mode Disable.

Note:: Macro IS_UART_FIFO_INSTANCE(USARTx) can be used to check whether or not FIFO mode feature is supported by the USARTx instance.

Reference Manual to LL API cross reference:: CR1 FIFOEN LL_USART_DisableFIFO

Parameters:

USARTx USART Instance

Return values:

None

Definition at line 679 of file stm32h7xx_ll_usart.h.

__STATIC_INLINE void LL_USART_DisableInStopMode ( USART_TypeDef * USARTx )

USART disabled in STOP Mode.

Note:: When this function is disabled, USART is not able to wake up the MCU from Stop mode; 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.

Reference Manual to LL API cross reference:: CR1 UESM LL_USART_DisableInStopMode

Parameters:

USARTx USART Instance

Return values:

None

Definition at line 828 of file stm32h7xx_ll_usart.h.

__STATIC_INLINE void LL_USART_DisableMuteMode ( USART_TypeDef * USARTx )

Prevent Mute Mode use.

Set Receiver in active mode permanently.

Reference Manual to LL API cross reference:: CR1 MME LL_USART_DisableMuteMode

Parameters:

USARTx USART Instance

Return values:

None

Definition at line 1033 of file stm32h7xx_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 1764 of file stm32h7xx_ll_usart.h.

__STATIC_INLINE void LL_USART_DisableOverrunDetect ( USART_TypeDef * USARTx )

Disable Overrun detection.

Reference Manual to LL API cross reference:: CR3 OVRDIS LL_USART_DisableOverrunDetect

Parameters:

USARTx USART Instance

Return values:

None

Definition at line 1797 of file stm32h7xx_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 1679 of file stm32h7xx_ll_usart.h.

__STATIC_INLINE void LL_USART_DisableRxTimeout ( USART_TypeDef * USARTx )

Disable Receiver Timeout.

Reference Manual to LL API cross reference:: CR2 RTOEN LL_USART_DisableRxTimeout

Parameters:

USARTx USART Instance

Return values:

None

Definition at line 1585 of file stm32h7xx_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 1270 of file stm32h7xx_ll_usart.h.

__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 628 of file stm32h7xx_ll_usart.h.

__STATIC_INLINE void LL_USART_EnableAutoBaudRate ( USART_TypeDef * USARTx )

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.

Reference Manual to LL API cross reference:: CR2 ABREN LL_USART_EnableAutoBaudRate

Parameters:

USARTx USART Instance

Return values:

None

Definition at line 1502 of file stm32h7xx_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 1692 of file stm32h7xx_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 852 of file stm32h7xx_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 874 of file stm32h7xx_ll_usart.h.

__STATIC_INLINE void LL_USART_EnableFIFO ( USART_TypeDef * USARTx )

FIFO Mode Enable.

Note:: Macro IS_UART_FIFO_INSTANCE(USARTx) can be used to check whether or not FIFO mode feature is supported by the USARTx instance.

Reference Manual to LL API cross reference:: CR1 FIFOEN LL_USART_EnableFIFO

Parameters:

USARTx USART Instance

Return values:

None

Definition at line 666 of file stm32h7xx_ll_usart.h.

__STATIC_INLINE void LL_USART_EnableInStopMode ( USART_TypeDef * USARTx )

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.; 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.

Reference Manual to LL API cross reference:: CR1 UESM LL_USART_EnableInStopMode

Parameters:

USARTx USART Instance

Return values:

None

Definition at line 814 of file stm32h7xx_ll_usart.h.

__STATIC_INLINE void LL_USART_EnableMuteMode ( USART_TypeDef * USARTx )

Allow switch between Mute Mode and Active mode.

Reference Manual to LL API cross reference:: CR1 MME LL_USART_EnableMuteMode

Parameters:

USARTx USART Instance

Return values:

None

Definition at line 1022 of file stm32h7xx_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 1753 of file stm32h7xx_ll_usart.h.

__STATIC_INLINE void LL_USART_EnableOverrunDetect ( USART_TypeDef * USARTx )

Enable Overrun detection.

Reference Manual to LL API cross reference:: CR3 OVRDIS LL_USART_EnableOverrunDetect

Parameters:

USARTx USART Instance

Return values:

None

Definition at line 1786 of file stm32h7xx_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 1666 of file stm32h7xx_ll_usart.h.

__STATIC_INLINE void LL_USART_EnableRxTimeout ( USART_TypeDef * USARTx )

Enable Receiver Timeout.

Reference Manual to LL API cross reference:: CR2 RTOEN LL_USART_EnableRxTimeout

Parameters:

USARTx USART Instance

Return values:

None

Definition at line 1574 of file stm32h7xx_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 1257 of file stm32h7xx_ll_usart.h.

__STATIC_INLINE uint32_t LL_USART_GetAutoBaudRateMode ( USART_TypeDef * USARTx )

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.

Reference Manual to LL API cross reference:: CR2 ABRMODE LL_USART_GetAutoBaudRateMode

Parameters:

USARTx USART Instance

Return values:

Returned

value can be one of the following values:

Definition at line 1563 of file stm32h7xx_ll_usart.h.

__STATIC_INLINE uint32_t LL_USART_GetBaudRate	(	USART_TypeDef *	USARTx,
		uint32_t	PeriphClk,
		uint32_t	PrescalerValue,
		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.; In case of oversampling by 16 and 8, BRR content must be greater than or equal to 16d.

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

Parameters:

USARTx	USART Instance
PeriphClk	Peripheral Clock
PrescalerValue	This parameter can be one of the following values: LL_USART_PRESCALER_DIV1 LL_USART_PRESCALER_DIV2 LL_USART_PRESCALER_DIV4 LL_USART_PRESCALER_DIV6 LL_USART_PRESCALER_DIV8 LL_USART_PRESCALER_DIV10 LL_USART_PRESCALER_DIV12 LL_USART_PRESCALER_DIV16 LL_USART_PRESCALER_DIV32 LL_USART_PRESCALER_DIV64 LL_USART_PRESCALER_DIV128 LL_USART_PRESCALER_DIV256
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 1929 of file stm32h7xx_ll_usart.h.

References LL_USART_OVERSAMPLING_8.

__STATIC_INLINE uint32_t LL_USART_GetBinaryDataLogic ( USART_TypeDef * USARTx )

Retrieve Binary data configuration.

Reference Manual to LL API cross reference:: CR2 DATAINV LL_USART_GetBinaryDataLogic

Parameters:

USARTx USART Instance

Return values:

Returned

value can be one of the following values:

Definition at line 1458 of file stm32h7xx_ll_usart.h.

__STATIC_INLINE uint32_t LL_USART_GetBlockLength ( USART_TypeDef * USARTx )

Get Block Length value in reception.

Reference Manual to LL API cross reference:: RTOR BLEN LL_USART_GetBlockLength

Parameters:

USARTx USART Instance

Return values:

Value between Min_Data=0x00 and Max_Data=0xFF

Definition at line 2001 of file stm32h7xx_ll_usart.h.

__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 1134 of file stm32h7xx_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 1165 of file stm32h7xx_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 M0 LL_USART_GetDataWidth
CR1 M1 LL_USART_GetDataWidth

Parameters:

USARTx USART Instance

Return values:

Returned

value can be one of the following values:

Definition at line 1011 of file stm32h7xx_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 1742 of file stm32h7xx_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 1103 of file stm32h7xx_ll_usart.h.

__STATIC_INLINE uint32_t LL_USART_GetNodeAddress ( USART_TypeDef * USARTx )

Return 8 bit Address of the USART node as set in ADD field of CR2.

Note:: If 4-bit Address Detection is selected in ADDM7, only 4bits (b3-b0) of returned value are relevant (b31-b4 are not relevant) If 7-bit Address Detection is selected in ADDM7, only 8bits (b7-b0) of returned value are relevant (b31-b8 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 1640 of file stm32h7xx_ll_usart.h.

__STATIC_INLINE uint32_t LL_USART_GetNodeAddressLen ( USART_TypeDef * USARTx )

Return Length of Node Address used in Address Detection mode (7-bit or 4-bit)

Reference Manual to LL API cross reference:: CR2 ADDM7 LL_USART_GetNodeAddressLen

Parameters:

USARTx USART Instance

Return values:

Returned

value can be one of the following values:

Definition at line 1653 of file stm32h7xx_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 1071 of file stm32h7xx_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 953 of file stm32h7xx_ll_usart.h.

__STATIC_INLINE uint32_t LL_USART_GetPrescaler ( USART_TypeDef * USARTx )

Retrieve the Clock source prescaler for baudrate generator and oversampling.

Note:: Macro IS_UART_FIFO_INSTANCE(USARTx) can be used to check whether or not FIFO mode feature is supported by the USARTx instance.

Reference Manual to LL API cross reference:: PRESC PRESCALER LL_USART_GetPrescaler

Parameters:

USARTx USART Instance

Return values:

Returned

value can be one of the following values:

Definition at line 1244 of file stm32h7xx_ll_usart.h.

__STATIC_INLINE uint32_t LL_USART_GetRXFIFOThreshold ( USART_TypeDef * USARTx )

Return RX FIFO Threshold Configuration.

Note:: Macro IS_UART_FIFO_INSTANCE(USARTx) can be used to check whether or not FIFO mode feature is supported by the USARTx instance.

Reference Manual to LL API cross reference:: CR3 RXFTCFG LL_USART_GetRXFIFOThreshold

Parameters:

USARTx USART Instance

Return values:

Returned

value can be one of the following values:

Definition at line 770 of file stm32h7xx_ll_usart.h.

__STATIC_INLINE uint32_t LL_USART_GetRXPinLevel ( USART_TypeDef * USARTx )

Retrieve RX pin active level logic configuration.

Reference Manual to LL API cross reference:: CR2 RXINV LL_USART_GetRXPinLevel

Parameters:

USARTx USART Instance

Return values:

Returned

value can be one of the following values:

Definition at line 1402 of file stm32h7xx_ll_usart.h.

__STATIC_INLINE uint32_t LL_USART_GetRxTimeout ( USART_TypeDef * USARTx )

Get Receiver Time Out Value (expressed in nb of bits duration)

Reference Manual to LL API cross reference:: RTOR RTO LL_USART_GetRxTimeout

Parameters:

USARTx USART Instance

Return values:

Value between Min_Data=0x00 and Max_Data=0x00FFFFFF

Definition at line 1978 of file stm32h7xx_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 1314 of file stm32h7xx_ll_usart.h.

__STATIC_INLINE uint32_t LL_USART_GetTransferBitOrder ( USART_TypeDef * USARTx )

Return transfer bit order (either Less or Most Significant Bit First)

Note:: MSB First means data is transmitted/received with the MSB first, following the start bit. LSB First means data is transmitted/received with data bit 0 first, following the start bit.

Reference Manual to LL API cross reference:: CR2 MSBFIRST LL_USART_GetTransferBitOrder

Parameters:

USARTx USART Instance

Return values:

Returned

value can be one of the following values:

Definition at line 1489 of file stm32h7xx_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 919 of file stm32h7xx_ll_usart.h.

__STATIC_INLINE uint32_t LL_USART_GetTXFIFOThreshold ( USART_TypeDef * USARTx )

Return TX FIFO Threshold Configuration.

Note:: Macro IS_UART_FIFO_INSTANCE(USARTx) can be used to check whether or not FIFO mode feature is supported by the USARTx instance.

Reference Manual to LL API cross reference:: CR3 TXFTCFG LL_USART_GetTXFIFOThreshold

Parameters:

USARTx USART Instance

Return values:

Returned

value can be one of the following values:

Definition at line 731 of file stm32h7xx_ll_usart.h.

__STATIC_INLINE uint32_t LL_USART_GetTXPinLevel ( USART_TypeDef * USARTx )

Retrieve TX pin active level logic configuration.

Reference Manual to LL API cross reference:: CR2 TXINV LL_USART_GetTXPinLevel

Parameters:

USARTx USART Instance

Return values:

Returned

value can be one of the following values:

Definition at line 1429 of file stm32h7xx_ll_usart.h.

__STATIC_INLINE uint32_t LL_USART_GetTXRXSwap ( USART_TypeDef * USARTx )

Retrieve TX/RX pins swapping configuration.

Reference Manual to LL API cross reference:: CR2 SWAP LL_USART_GetTXRXSwap

Parameters:

USARTx USART Instance

Return values:

Returned

value can be one of the following values:

Definition at line 1375 of file stm32h7xx_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 980 of file stm32h7xx_ll_usart.h.

__STATIC_INLINE uint32_t LL_USART_GetWKUPType ( USART_TypeDef * USARTx )

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.

Reference Manual to LL API cross reference:: CR3 WUS LL_USART_GetWKUPType

Parameters:

USARTx USART Instance

Return values:

Returned

value can be one of the following values:

Definition at line 1841 of file stm32h7xx_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 653 of file stm32h7xx_ll_usart.h.

Referenced by LL_USART_ClockInit(), and LL_USART_Init().

__STATIC_INLINE uint32_t LL_USART_IsEnabledAutoBaud ( USART_TypeDef * USARTx )

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.

Reference Manual to LL API cross reference:: CR2 ABREN LL_USART_IsEnabledAutoBaud

Parameters:

USARTx USART Instance

Return values:

State of bit (1 or 0).

Definition at line 1528 of file stm32h7xx_ll_usart.h.

__STATIC_INLINE uint32_t LL_USART_IsEnabledFIFO ( USART_TypeDef * USARTx )

Indicate if FIFO Mode is enabled.

Note:: Macro IS_UART_FIFO_INSTANCE(USARTx) can be used to check whether or not FIFO mode feature is supported by the USARTx instance.

Reference Manual to LL API cross reference:: CR1 FIFOEN LL_USART_IsEnabledFIFO

Parameters:

USARTx USART Instance

Return values:

State of bit (1 or 0).

Definition at line 692 of file stm32h7xx_ll_usart.h.

__STATIC_INLINE uint32_t LL_USART_IsEnabledInStopMode ( USART_TypeDef * USARTx )

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.

Reference Manual to LL API cross reference:: CR1 UESM LL_USART_IsEnabledInStopMode

Parameters:

USARTx USART Instance

Return values:

State of bit (1 or 0).

Definition at line 841 of file stm32h7xx_ll_usart.h.

__STATIC_INLINE uint32_t LL_USART_IsEnabledMuteMode ( USART_TypeDef * USARTx )

Indicate if switch between Mute Mode and Active mode is allowed.

Reference Manual to LL API cross reference:: CR1 MME LL_USART_IsEnabledMuteMode

Parameters:

USARTx USART Instance

Return values:

State of bit (1 or 0).

Definition at line 1044 of file stm32h7xx_ll_usart.h.

__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 1775 of file stm32h7xx_ll_usart.h.

__STATIC_INLINE uint32_t LL_USART_IsEnabledOverrunDetect ( USART_TypeDef * USARTx )

Indicate if Overrun detection is enabled.

Reference Manual to LL API cross reference:: CR3 OVRDIS LL_USART_IsEnabledOverrunDetect

Parameters:

USARTx USART Instance

Return values:

State of bit (1 or 0).

Definition at line 1808 of file stm32h7xx_ll_usart.h.

__STATIC_INLINE uint32_t LL_USART_IsEnabledRxTimeout ( USART_TypeDef * USARTx )

Indicate if Receiver Timeout feature is enabled.

Reference Manual to LL API cross reference:: CR2 RTOEN LL_USART_IsEnabledRxTimeout

Parameters:

USARTx USART Instance

Return values:

State of bit (1 or 0).

Definition at line 1596 of file stm32h7xx_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 1283 of file stm32h7xx_ll_usart.h.

__STATIC_INLINE void LL_USART_SetAutoBaudRateMode	(	USART_TypeDef *	USARTx,
		uint32_t	AutoBaudRateMode
	)

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.

Reference Manual to LL API cross reference:: CR2 ABRMODE LL_USART_SetAutoBaudRateMode

Parameters:

USARTx	USART Instance
AutoBaudRateMode	This parameter can be one of the following values: LL_USART_AUTOBAUD_DETECT_ON_STARTBIT LL_USART_AUTOBAUD_DETECT_ON_FALLINGEDGE LL_USART_AUTOBAUD_DETECT_ON_7F_FRAME LL_USART_AUTOBAUD_DETECT_ON_55_FRAME

Return values:

None

Definition at line 1546 of file stm32h7xx_ll_usart.h.

__STATIC_INLINE void LL_USART_SetBaudRate	(	USART_TypeDef *	USARTx,
		uint32_t	PeriphClk,
		uint32_t	PrescalerValue,
		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); In case of oversampling by 16 and 8, BRR content must be greater than or equal to 16d.

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

Parameters:

USARTx	USART Instance
PeriphClk	Peripheral Clock
PrescalerValue	This parameter can be one of the following values: LL_USART_PRESCALER_DIV1 LL_USART_PRESCALER_DIV2 LL_USART_PRESCALER_DIV4 LL_USART_PRESCALER_DIV6 LL_USART_PRESCALER_DIV8 LL_USART_PRESCALER_DIV10 LL_USART_PRESCALER_DIV12 LL_USART_PRESCALER_DIV16 LL_USART_PRESCALER_DIV32 LL_USART_PRESCALER_DIV64 LL_USART_PRESCALER_DIV128 LL_USART_PRESCALER_DIV256
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 1875 of file stm32h7xx_ll_usart.h.

References __LL_USART_DIV_SAMPLING16, __LL_USART_DIV_SAMPLING8, LL_USART_OVERSAMPLING_8, and LL_USART_PRESCALER_DIV256.

Referenced by LL_USART_Init().

__STATIC_INLINE void LL_USART_SetBinaryDataLogic	(	USART_TypeDef *	USARTx,
		uint32_t	DataLogic
	)

Configure Binary data logic.

Note:: Allow to define how Logical data from the data register are send/received : either in positive/direct logic (1=H, 0=L) or in negative/inverse logic (1=L, 0=H)

Reference Manual to LL API cross reference:: CR2 DATAINV LL_USART_SetBinaryDataLogic

Parameters:

USARTx	USART Instance
DataLogic	This parameter can be one of the following values: LL_USART_BINARY_LOGIC_POSITIVE LL_USART_BINARY_LOGIC_NEGATIVE

Return values:

None

Definition at line 1445 of file stm32h7xx_ll_usart.h.

__STATIC_INLINE void LL_USART_SetBlockLength	(	USART_TypeDef *	USARTx,
		uint32_t	BlockLength
	)

Set Block Length value in reception.

Reference Manual to LL API cross reference:: RTOR BLEN LL_USART_SetBlockLength

Parameters:

USARTx	USART Instance
BlockLength	Value between Min_Data=0x00 and Max_Data=0xFF

Return values:

None

Definition at line 1990 of file stm32h7xx_ll_usart.h.

__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 1119 of file stm32h7xx_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 1150 of file stm32h7xx_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 M0 LL_USART_SetDataWidth
CR1 M1 LL_USART_SetDataWidth

Parameters:

USARTx	USART Instance
DataWidth	This parameter can be one of the following values: LL_USART_DATAWIDTH_7B LL_USART_DATAWIDTH_8B LL_USART_DATAWIDTH_9B

Return values:

None

Definition at line 996 of file stm32h7xx_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 1724 of file stm32h7xx_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 1087 of file stm32h7xx_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 1058 of file stm32h7xx_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 938 of file stm32h7xx_ll_usart.h.

__STATIC_INLINE void LL_USART_SetPrescaler	(	USART_TypeDef *	USARTx,
		uint32_t	PrescalerValue
	)

Configure Clock source prescaler for baudrate generator and oversampling.

Note:: Macro IS_UART_FIFO_INSTANCE(USARTx) can be used to check whether or not FIFO mode feature is supported by the USARTx instance.

Reference Manual to LL API cross reference:: PRESC PRESCALER LL_USART_SetPrescaler

Parameters:

USARTx	USART Instance
PrescalerValue	This parameter can be one of the following values: LL_USART_PRESCALER_DIV1 LL_USART_PRESCALER_DIV2 LL_USART_PRESCALER_DIV4 LL_USART_PRESCALER_DIV6 LL_USART_PRESCALER_DIV8 LL_USART_PRESCALER_DIV10 LL_USART_PRESCALER_DIV12 LL_USART_PRESCALER_DIV16 LL_USART_PRESCALER_DIV32 LL_USART_PRESCALER_DIV64 LL_USART_PRESCALER_DIV128 LL_USART_PRESCALER_DIV256

Return values:

None

Definition at line 1219 of file stm32h7xx_ll_usart.h.

Referenced by LL_USART_Init().

__STATIC_INLINE void LL_USART_SetRXFIFOThreshold	(	USART_TypeDef *	USARTx,
		uint32_t	Threshold
	)

Configure RX FIFO Threshold.

Note:: Macro IS_UART_FIFO_INSTANCE(USARTx) can be used to check whether or not FIFO mode feature is supported by the USARTx instance.

Reference Manual to LL API cross reference:: CR3 RXFTCFG LL_USART_SetRXFIFOThreshold

Parameters:

USARTx	USART Instance
Threshold	This parameter can be one of the following values: LL_USART_FIFOTHRESHOLD_1_8 LL_USART_FIFOTHRESHOLD_1_4 LL_USART_FIFOTHRESHOLD_1_2 LL_USART_FIFOTHRESHOLD_3_4 LL_USART_FIFOTHRESHOLD_7_8 LL_USART_FIFOTHRESHOLD_8_8

Return values:

None

Definition at line 751 of file stm32h7xx_ll_usart.h.

__STATIC_INLINE void LL_USART_SetRXPinLevel	(	USART_TypeDef *	USARTx,
		uint32_t	PinInvMethod
	)

Configure RX pin active level logic.

Reference Manual to LL API cross reference:: CR2 RXINV LL_USART_SetRXPinLevel

Parameters:

USARTx	USART Instance
PinInvMethod	This parameter can be one of the following values: LL_USART_RXPIN_LEVEL_STANDARD LL_USART_RXPIN_LEVEL_INVERTED

Return values:

None

Definition at line 1389 of file stm32h7xx_ll_usart.h.

__STATIC_INLINE void LL_USART_SetRxTimeout	(	USART_TypeDef *	USARTx,
		uint32_t	Timeout
	)

Set Receiver Time Out Value (expressed in nb of bits duration)

Reference Manual to LL API cross reference:: RTOR RTO LL_USART_SetRxTimeout

Parameters:

USARTx	USART Instance
Timeout	Value between Min_Data=0x00 and Max_Data=0x00FFFFFF

Return values:

None

Definition at line 1967 of file stm32h7xx_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 1299 of file stm32h7xx_ll_usart.h.

Referenced by LL_USART_Init().

__STATIC_INLINE void LL_USART_SetTransferBitOrder	(	USART_TypeDef *	USARTx,
		uint32_t	BitOrder
	)

Configure transfer bit order (either Less or Most Significant Bit First)

Note:: MSB First means data is transmitted/received with the MSB first, following the start bit. LSB First means data is transmitted/received with data bit 0 first, following the start bit.

Reference Manual to LL API cross reference:: CR2 MSBFIRST LL_USART_SetTransferBitOrder

Parameters:

USARTx	USART Instance
BitOrder	This parameter can be one of the following values: LL_USART_BITORDER_LSBFIRST LL_USART_BITORDER_MSBFIRST

Return values:

None

Definition at line 1474 of file stm32h7xx_ll_usart.h.

__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 903 of file stm32h7xx_ll_usart.h.

__STATIC_INLINE void LL_USART_SetTXFIFOThreshold	(	USART_TypeDef *	USARTx,
		uint32_t	Threshold
	)

Configure TX FIFO Threshold.

Note:: Macro IS_UART_FIFO_INSTANCE(USARTx) can be used to check whether or not FIFO mode feature is supported by the USARTx instance.

Reference Manual to LL API cross reference:: CR3 TXFTCFG LL_USART_SetTXFIFOThreshold

Parameters:

USARTx	USART Instance
Threshold	This parameter can be one of the following values: LL_USART_FIFOTHRESHOLD_1_8 LL_USART_FIFOTHRESHOLD_1_4 LL_USART_FIFOTHRESHOLD_1_2 LL_USART_FIFOTHRESHOLD_3_4 LL_USART_FIFOTHRESHOLD_7_8 LL_USART_FIFOTHRESHOLD_8_8

Return values:

None

Definition at line 712 of file stm32h7xx_ll_usart.h.

__STATIC_INLINE void LL_USART_SetTXPinLevel	(	USART_TypeDef *	USARTx,
		uint32_t	PinInvMethod
	)

Configure TX pin active level logic.

Reference Manual to LL API cross reference:: CR2 TXINV LL_USART_SetTXPinLevel

Parameters:

USARTx	USART Instance
PinInvMethod	This parameter can be one of the following values: LL_USART_TXPIN_LEVEL_STANDARD LL_USART_TXPIN_LEVEL_INVERTED

Return values:

None

Definition at line 1416 of file stm32h7xx_ll_usart.h.

__STATIC_INLINE void LL_USART_SetTXRXSwap	(	USART_TypeDef *	USARTx,
		uint32_t	SwapConfig
	)

Configure TX/RX pins swapping setting.

Reference Manual to LL API cross reference:: CR2 SWAP LL_USART_SetTXRXSwap

Parameters:

USARTx	USART Instance
SwapConfig	This parameter can be one of the following values: LL_USART_TXRX_STANDARD LL_USART_TXRX_SWAPPED

Return values:

None

Definition at line 1362 of file stm32h7xx_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 967 of file stm32h7xx_ll_usart.h.

__STATIC_INLINE void LL_USART_SetWKUPType	(	USART_TypeDef *	USARTx,
		uint32_t	Type
	)

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.

Reference Manual to LL API cross reference:: CR3 WUS LL_USART_SetWKUPType

Parameters:

USARTx	USART Instance
Type	This parameter can be one of the following values: LL_USART_WAKEUP_ON_ADDRESS LL_USART_WAKEUP_ON_STARTBIT LL_USART_WAKEUP_ON_RXNE

Return values:

None

Definition at line 1825 of file stm32h7xx_ll_usart.h.

Functions

Function Documentation