Functions
__STATIC_INLINE void	LL_I2S_SetDataFormat (SPI_TypeDef *SPIx, uint32_t DataLength)
	Set I2S Data frame format.
__STATIC_INLINE uint32_t	LL_I2S_GetDataFormat (SPI_TypeDef *SPIx)
	Get I2S Data frame format.
__STATIC_INLINE void	LL_I2S_SetChannelLengthType (SPI_TypeDef *SPIx, uint32_t ChannelLengthType)
	Set I2S Channel Length Type.
__STATIC_INLINE uint32_t	LL_I2S_GetChannelLengthType (SPI_TypeDef *SPIx)
	Get I2S Channel Length Type.
__STATIC_INLINE void	LL_I2S_EnableWordSelectInversion (SPI_TypeDef *SPIx)
	Invert the default polarity of WS signal.
__STATIC_INLINE void	LL_I2S_DisableWordSelectInversion (SPI_TypeDef *SPIx)
	Use the default polarity of WS signal.
__STATIC_INLINE uint32_t	LL_I2S_IsEnabledWordSelectInversion (SPI_TypeDef *SPIx)
	Check if polarity of WS signal is inverted.
__STATIC_INLINE void	LL_I2S_SetClockPolarity (SPI_TypeDef *SPIx, uint32_t ClockPolarity)
	Set 2S Clock Polarity.
__STATIC_INLINE uint32_t	LL_I2S_GetClockPolarity (SPI_TypeDef *SPIx)
	Get 2S Clock Polarity.
__STATIC_INLINE void	LL_I2S_SetStandard (SPI_TypeDef *SPIx, uint32_t Standard)
	Set I2S standard.
__STATIC_INLINE uint32_t	LL_I2S_GetStandard (SPI_TypeDef *SPIx)
	Get I2S standard.
__STATIC_INLINE void	LL_I2S_SetTransferMode (SPI_TypeDef *SPIx, uint32_t Standard)
	Set I2S config.
__STATIC_INLINE uint32_t	LL_I2S_GetTransferMode (SPI_TypeDef *SPIx)
	Get I2S config.
__STATIC_INLINE void	LL_I2S_Enable (SPI_TypeDef *SPIx)
	Select I2S mode and Enable I2S peripheral.
__STATIC_INLINE void	LL_I2S_Disable (SPI_TypeDef *SPIx)
	Disable I2S peripheral and disable I2S mode.
__STATIC_INLINE void	LL_I2S_EnableIOSwap (SPI_TypeDef *SPIx)
	Swap the SDO and SDI pin.
__STATIC_INLINE void	LL_I2S_DisableIOSwap (SPI_TypeDef *SPIx)
	Restore default function for SDO and SDI pin.
__STATIC_INLINE uint32_t	LL_I2S_IsEnabledIOSwap (SPI_TypeDef *SPIx)
	Check if SDO and SDI pin are swapped.
__STATIC_INLINE void	LL_I2S_EnableGPIOControl (SPI_TypeDef *SPIx)
	Enable GPIO control.
__STATIC_INLINE void	LL_I2S_DisableGPIOControl (SPI_TypeDef *SPIx)
	Disable GPIO control.
__STATIC_INLINE uint32_t	LL_I2S_IsEnabledGPIOControl (SPI_TypeDef *SPIx)
	Check if GPIO control is active.
__STATIC_INLINE void	LL_I2S_EnableIOLock (SPI_TypeDef *SPIx)
	Lock the AF configuration of associated IOs.
__STATIC_INLINE uint32_t	LL_I2S_IsEnabledIOLock (SPI_TypeDef *SPIx)
	Check if the the SPI_CFG2 register is locked.
__STATIC_INLINE void	LL_I2S_SetTransferBitOrder (SPI_TypeDef *SPIx, uint32_t BitOrder)
	Set Transfer Bit Order.
__STATIC_INLINE uint32_t	LL_I2S_GetTransferBitOrder (SPI_TypeDef *SPIx)
	Get Transfer Bit Order.
__STATIC_INLINE void	LL_I2S_StartTransfer (SPI_TypeDef *SPIx)
	Start effective transfer on wire.
__STATIC_INLINE uint32_t	LL_I2S_IsActiveTransfer (SPI_TypeDef *SPIx)
	Check if there is an unfinished transfer.
__STATIC_INLINE void	LL_I2S_SetFIFOThreshold (SPI_TypeDef *SPIx, uint32_t Threshold)
	Set threshold of FIFO that triggers a transfer event.
__STATIC_INLINE uint32_t	LL_I2S_GetFIFOThreshold (SPI_TypeDef *SPIx)
	Get threshold of FIFO that triggers a transfer event.
__STATIC_INLINE void	LL_I2S_SetPrescalerLinear (SPI_TypeDef *SPIx, uint32_t PrescalerLinear)
	Set I2S linear prescaler.
__STATIC_INLINE uint32_t	LL_I2S_GetPrescalerLinear (SPI_TypeDef *SPIx)
	Get I2S linear prescaler.
__STATIC_INLINE void	LL_I2S_SetPrescalerParity (SPI_TypeDef *SPIx, uint32_t PrescalerParity)
	Set I2S parity prescaler.
__STATIC_INLINE uint32_t	LL_I2S_GetPrescalerParity (SPI_TypeDef *SPIx)
	Get I2S parity prescaler.
__STATIC_INLINE void	LL_I2S_EnableMasterClock (SPI_TypeDef *SPIx)
	Enable the Master Clock Output (Pin MCK)
__STATIC_INLINE void	LL_I2S_DisableMasterClock (SPI_TypeDef *SPIx)
	Disable the Master Clock Output (Pin MCK)
__STATIC_INLINE uint32_t	LL_I2S_IsEnabledMasterClock (SPI_TypeDef *SPIx)
	Check if the master clock output (Pin MCK) is enabled.

Function Documentation

__STATIC_INLINE void LL_I2S_Disable ( SPI_TypeDef * SPIx )

Disable I2S peripheral and disable I2S mode.

Reference Manual to LL API cross reference:: CR1 SPE LL_I2S_Disable
I2SCFGR I2SMOD LL_I2S_Disable

Parameters:

SPIx	SPI Handle

Return values:

None

Definition at line 3043 of file stm32h7xx_ll_spi.h.

__STATIC_INLINE void LL_I2S_DisableGPIOControl ( SPI_TypeDef * SPIx )

Disable GPIO control.

Note:: This configuration can not be changed when I2S is enabled.

Reference Manual to LL API cross reference:: CFG2 AFCNTR LL_I2S_DisableGPIOControl

Parameters:

SPIx	SPI Instance

Return values:

None

Definition at line 3103 of file stm32h7xx_ll_spi.h.

References LL_SPI_DisableGPIOControl().

__STATIC_INLINE void LL_I2S_DisableIOSwap ( SPI_TypeDef * SPIx )

Restore default function for SDO and SDI pin.

Note:: This configuration can not be changed when I2S is enabled.

Reference Manual to LL API cross reference:: CFG2 IOSWP LL_I2S_DisableIOSwap

Parameters:

SPIx	SPI Instance

Return values:

None

Definition at line 3068 of file stm32h7xx_ll_spi.h.

References LL_SPI_DisableIOSwap().

__STATIC_INLINE void LL_I2S_DisableMasterClock ( SPI_TypeDef * SPIx )

Disable the Master Clock Output (Pin MCK)

Reference Manual to LL API cross reference:: I2SCFGR MCKOE LL_I2S_DisableMasterClock

Parameters:

SPIx	SPI Handle

Return values:

None

Definition at line 3300 of file stm32h7xx_ll_spi.h.

__STATIC_INLINE void LL_I2S_DisableWordSelectInversion ( SPI_TypeDef * SPIx )

Use the default polarity of WS signal.

Reference Manual to LL API cross reference:: I2SCFGR WSINV LL_I2S_DisableWordSelectInversion

Parameters:

SPIx	SPI Handle

Return values:

None

Definition at line 2910 of file stm32h7xx_ll_spi.h.

__STATIC_INLINE void LL_I2S_Enable ( SPI_TypeDef * SPIx )

Select I2S mode and Enable I2S peripheral.

Reference Manual to LL API cross reference:: I2SCFGR I2SMOD LL_I2S_Enable
CR1 SPE LL_I2S_Enable

Parameters:

SPIx	SPI Handle

Return values:

None

Definition at line 3030 of file stm32h7xx_ll_spi.h.

__STATIC_INLINE void LL_I2S_EnableGPIOControl ( SPI_TypeDef * SPIx )

Enable GPIO control.

Note:: This configuration can not be changed when I2S is enabled.

Reference Manual to LL API cross reference:: CFG2 AFCNTR LL_I2S_EnableGPIOControl

Parameters:

SPIx	SPI Instance

Return values:

None

Definition at line 3091 of file stm32h7xx_ll_spi.h.

References LL_SPI_EnableGPIOControl().

__STATIC_INLINE void LL_I2S_EnableIOLock ( SPI_TypeDef * SPIx )

Lock the AF configuration of associated IOs.

Note:: Once this bit is set, the SPI_CFG2 register content can not be modified until a hardware reset occurs. The reset of the IOLock bit is done by hardware. for that, LL_SPI_DisableIOLock can not exist.

Reference Manual to LL API cross reference:: CR1 IOLOCK LL_SPI_EnableIOLock

Parameters:

SPIx	SPI Instance

Return values:

None

Definition at line 3127 of file stm32h7xx_ll_spi.h.

References LL_SPI_EnableIOLock().

__STATIC_INLINE void LL_I2S_EnableIOSwap ( SPI_TypeDef * SPIx )

Swap the SDO and SDI pin.

Note:: This configuration can not be changed when I2S is enabled.

Reference Manual to LL API cross reference:: CFG2 IOSWP LL_I2S_EnableIOSwap

Parameters:

SPIx	SPI Instance

Return values:

None

Definition at line 3056 of file stm32h7xx_ll_spi.h.

References LL_SPI_EnableIOSwap().

__STATIC_INLINE void LL_I2S_EnableMasterClock ( SPI_TypeDef * SPIx )

Enable the Master Clock Output (Pin MCK)

Reference Manual to LL API cross reference:: I2SCFGR MCKOE LL_I2S_EnableMasterClock

Parameters:

SPIx	SPI Handle

Return values:

None

Definition at line 3289 of file stm32h7xx_ll_spi.h.

__STATIC_INLINE void LL_I2S_EnableWordSelectInversion ( SPI_TypeDef * SPIx )

Invert the default polarity of WS signal.

Reference Manual to LL API cross reference:: I2SCFGR WSINV LL_I2S_EnableWordSelectInversion

Parameters:

SPIx	SPI Handle

Return values:

None

Definition at line 2899 of file stm32h7xx_ll_spi.h.

__STATIC_INLINE uint32_t LL_I2S_GetChannelLengthType ( SPI_TypeDef * SPIx )

Get I2S Channel Length Type.

Note:: This feature is useful with SLAVE only

Reference Manual to LL API cross reference:: I2SCFGR FIXCH LL_I2S_GetChannelLengthType

Parameters:

SPIx	SPI Handle

Return values:

Return

value can be one of the following values:

Definition at line 2888 of file stm32h7xx_ll_spi.h.

__STATIC_INLINE uint32_t LL_I2S_GetClockPolarity ( SPI_TypeDef * SPIx )

Get 2S Clock Polarity.

Reference Manual to LL API cross reference:: I2SCFGR CKPOL LL_I2S_GetClockPolarity

Parameters:

SPIx	SPI Handle

Return values:

Return

value can be one of the following values:

Definition at line 2948 of file stm32h7xx_ll_spi.h.

__STATIC_INLINE uint32_t LL_I2S_GetDataFormat ( SPI_TypeDef * SPIx )

Get I2S Data frame format.

Reference Manual to LL API cross reference:: I2SCFGR DATLEN LL_I2S_GetDataFormat
I2SCFGR CHLEN LL_I2S_GetDataFormat
I2SCFGR DATFMT LL_I2S_GetDataFormat

Parameters:

SPIx	SPI Handle

Return values:

Return

value can be one of the following values:

Definition at line 2859 of file stm32h7xx_ll_spi.h.

__STATIC_INLINE uint32_t LL_I2S_GetFIFOThreshold ( SPI_TypeDef * SPIx )

Get threshold of FIFO that triggers a transfer event.

Reference Manual to LL API cross reference:: CFG1 FTHLV LL_I2S_GetFIFOThreshold

Parameters:

SPIx	SPI Instance

Return values:

Returned

value can be one of the following values:

Definition at line 3227 of file stm32h7xx_ll_spi.h.

References LL_SPI_GetFIFOThreshold().

__STATIC_INLINE uint32_t LL_I2S_GetPrescalerLinear ( SPI_TypeDef * SPIx )

Get I2S linear prescaler.

Reference Manual to LL API cross reference:: I2SCFGR I2SDIV LL_I2S_GetPrescalerLinear

Parameters:

SPIx	SPI Instance

Return values:

PrescalerLinear Value between Min_Data=0x00 and Max_Data=0xFF

Definition at line 3251 of file stm32h7xx_ll_spi.h.

__STATIC_INLINE uint32_t LL_I2S_GetPrescalerParity ( SPI_TypeDef * SPIx )

Get I2S parity prescaler.

Reference Manual to LL API cross reference:: I2SCFGR ODD LL_I2S_GetPrescalerParity

Parameters:

SPIx	SPI Instance

Return values:

Returned

value can be one of the following values:

Definition at line 3278 of file stm32h7xx_ll_spi.h.

__STATIC_INLINE uint32_t LL_I2S_GetStandard ( SPI_TypeDef * SPIx )

Get I2S standard.

Reference Manual to LL API cross reference:: I2SCFGR I2SSTD LL_I2S_GetStandard
I2SCFGR PCMSYNC LL_I2S_GetStandard

Parameters:

SPIx	SPI Handle

Return values:

Return

value can be one of the following values:

Definition at line 2983 of file stm32h7xx_ll_spi.h.

__STATIC_INLINE uint32_t LL_I2S_GetTransferBitOrder ( SPI_TypeDef * SPIx )

Get Transfer Bit Order.

Reference Manual to LL API cross reference:: CFG2 LSBFRST LL_I2S_GetTransferBitOrder

Parameters:

SPIx	SPI Instance

Return values:

Returned

value can be one of the following values:

Definition at line 3165 of file stm32h7xx_ll_spi.h.

References LL_SPI_GetTransferBitOrder().

__STATIC_INLINE uint32_t LL_I2S_GetTransferMode ( SPI_TypeDef * SPIx )

Get I2S config.

Reference Manual to LL API cross reference:: I2SCFGR I2SCFG LL_I2S_GetTransferMode

Parameters:

SPIx	SPI Handle

Return values:

Return

value can be one of the following values:

Definition at line 3018 of file stm32h7xx_ll_spi.h.

__STATIC_INLINE uint32_t LL_I2S_IsActiveTransfer ( SPI_TypeDef * SPIx )

Check if there is an unfinished transfer.

Reference Manual to LL API cross reference:: CR1 CSTART LL_I2S_IsTransferActive

Parameters:

SPIx	SPI Instance

Return values:

State of bit (1 or 0)

Definition at line 3187 of file stm32h7xx_ll_spi.h.

References LL_SPI_IsActiveMasterTransfer().

__STATIC_INLINE uint32_t LL_I2S_IsEnabledGPIOControl ( SPI_TypeDef * SPIx )

Check if GPIO control is active.

Reference Manual to LL API cross reference:: CFG2 AFCNTR LL_I2S_IsEnabledGPIOControl

Parameters:

SPIx	SPI Instance

Return values:

State of bit (1 or 0)

Definition at line 3114 of file stm32h7xx_ll_spi.h.

References LL_SPI_IsEnabledGPIOControl().

__STATIC_INLINE uint32_t LL_I2S_IsEnabledIOLock ( SPI_TypeDef * SPIx )

Check if the the SPI_CFG2 register is locked.

Reference Manual to LL API cross reference:: CR1 IOLOCK LL_I2S_IsEnabledIOLock

Parameters:

SPIx	SPI Instance

Return values:

State of bit (1 or 0)

Definition at line 3138 of file stm32h7xx_ll_spi.h.

References LL_SPI_IsEnabledIOLock().

__STATIC_INLINE uint32_t LL_I2S_IsEnabledIOSwap ( SPI_TypeDef * SPIx )

Check if SDO and SDI pin are swapped.

Reference Manual to LL API cross reference:: CFG2 IOSWP LL_I2S_IsEnabledIOSwap

Parameters:

SPIx	SPI Instance

Return values:

State of bit (1 or 0)

Definition at line 3079 of file stm32h7xx_ll_spi.h.

References LL_SPI_IsEnabledIOSwap().

__STATIC_INLINE uint32_t LL_I2S_IsEnabledMasterClock ( SPI_TypeDef * SPIx )

Check if the master clock output (Pin MCK) is enabled.

Reference Manual to LL API cross reference:: I2SCFGR MCKOE LL_I2S_IsEnabledMasterClock

Parameters:

SPIx	SPI Instance

Return values:

State of bit (1 or 0)

Definition at line 3311 of file stm32h7xx_ll_spi.h.

__STATIC_INLINE uint32_t LL_I2S_IsEnabledWordSelectInversion ( SPI_TypeDef * SPIx )

Check if polarity of WS signal is inverted.

Reference Manual to LL API cross reference:: I2SCFGR WSINV LL_I2S_IsEnabledWordSelectInversion

Parameters:

SPIx	SPI Handle

Return values:

State of bit (1 or 0)

Definition at line 2921 of file stm32h7xx_ll_spi.h.

__STATIC_INLINE void LL_I2S_SetChannelLengthType	(	SPI_TypeDef *	SPIx,
		uint32_t	ChannelLengthType
	)

Set I2S Channel Length Type.

Note:: This feature is useful with SLAVE only

Reference Manual to LL API cross reference:: I2SCFGR FIXCH LL_I2S_SetChannelLengthType

Parameters:

SPIx	SPI Handle
ChannelLengthType	This parameter can be one of the following values: LL_I2S_SLAVE_VARIABLE_CH_LENGTH LL_I2S_SLAVE_FIXED_CH_LENGTH

Return values:

None

Definition at line 2874 of file stm32h7xx_ll_spi.h.

__STATIC_INLINE void LL_I2S_SetClockPolarity	(	SPI_TypeDef *	SPIx,
		uint32_t	ClockPolarity
	)

Set 2S Clock Polarity.

Reference Manual to LL API cross reference:: I2SCFGR CKPOL LL_I2S_SetClockPolarity

Parameters:

SPIx	SPI Handle
ClockPolarity	This parameter can be one of the following values: LL_I2S_POLARITY_LOW LL_I2S_POLARITY_HIGH

Return values:

None

Definition at line 2935 of file stm32h7xx_ll_spi.h.

__STATIC_INLINE void LL_I2S_SetDataFormat	(	SPI_TypeDef *	SPIx,
		uint32_t	DataLength
	)

Set I2S Data frame format.

Reference Manual to LL API cross reference:: I2SCFGR DATLEN LL_I2S_SetDataFormat
I2SCFGR CHLEN LL_I2S_SetDataFormat
I2SCFGR DATFMT LL_I2S_SetDataFormat

Parameters:

SPIx	SPI Handle
DataLength	This parameter can be one of the following values: LL_I2S_DATAFORMAT_16B LL_I2S_DATAFORMAT_16B_EXTENDED LL_I2S_DATAFORMAT_24B LL_I2S_DATAFORMAT_24B_LEFT_ALIGNED LL_I2S_DATAFORMAT_32B

Return values:

None

Definition at line 2841 of file stm32h7xx_ll_spi.h.

__STATIC_INLINE void LL_I2S_SetFIFOThreshold	(	SPI_TypeDef *	SPIx,
		uint32_t	Threshold
	)

Set threshold of FIFO that triggers a transfer event.

Note:: This configuration can not be changed when I2S is enabled.

Reference Manual to LL API cross reference:: CFG1 FTHLV LL_I2S_SetFIFOThreshold

Parameters:

SPIx	SPI Instance
Threshold	This parameter can be one of the following values: LL_I2S_FIFO_TH_01DATA LL_I2S_FIFO_TH_02DATA LL_I2S_FIFO_TH_03DATA LL_I2S_FIFO_TH_04DATA LL_I2S_FIFO_TH_05DATA LL_I2S_FIFO_TH_06DATA LL_I2S_FIFO_TH_07DATA LL_I2S_FIFO_TH_08DATA

Return values:

None

Definition at line 3208 of file stm32h7xx_ll_spi.h.

References LL_SPI_SetFIFOThreshold().

__STATIC_INLINE void LL_I2S_SetPrescalerLinear	(	SPI_TypeDef *	SPIx,
		uint32_t	PrescalerLinear
	)

Set I2S linear prescaler.

Reference Manual to LL API cross reference:: I2SCFGR I2SDIV LL_I2S_SetPrescalerLinear

Parameters:

SPIx	SPI Instance
PrescalerLinear	Value between Min_Data=0x00 and Max_Data=0xFF

Note:: PrescalerLinear '1' is not authorized with parity LL_I2S_PRESCALER_PARITY_ODD

Return values:

None

Definition at line 3240 of file stm32h7xx_ll_spi.h.

__STATIC_INLINE void LL_I2S_SetPrescalerParity	(	SPI_TypeDef *	SPIx,
		uint32_t	PrescalerParity
	)

Set I2S parity prescaler.

Reference Manual to LL API cross reference:: I2SCFGR ODD LL_I2S_SetPrescalerParity

Parameters:

SPIx	SPI Instance
PrescalerParity	This parameter can be one of the following values: LL_I2S_PRESCALER_PARITY_EVEN LL_I2S_PRESCALER_PARITY_ODD

Return values:

None

Definition at line 3265 of file stm32h7xx_ll_spi.h.

__STATIC_INLINE void LL_I2S_SetStandard	(	SPI_TypeDef *	SPIx,
		uint32_t	Standard
	)

Set I2S standard.

Reference Manual to LL API cross reference:: I2SCFGR I2SSTD LL_I2S_SetStandard
I2SCFGR PCMSYNC LL_I2S_SetStandard

Parameters:

SPIx	SPI Handle
Standard	This parameter can be one of the following values: LL_I2S_STANDARD_PHILIPS LL_I2S_STANDARD_MSB LL_I2S_STANDARD_LSB LL_I2S_STANDARD_PCM_SHORT LL_I2S_STANDARD_PCM_LONG

Return values:

None

Definition at line 2966 of file stm32h7xx_ll_spi.h.

__STATIC_INLINE void LL_I2S_SetTransferBitOrder	(	SPI_TypeDef *	SPIx,
		uint32_t	BitOrder
	)

Set Transfer Bit Order.

Note:: This configuration can not be changed when I2S is enabled.

Reference Manual to LL API cross reference:: CFG2 LSBFRST LL_I2S_SetTransferBitOrder

Parameters:

SPIx	SPI Instance
BitOrder	This parameter can be one of the following values: LL_I2S_LSB_FIRST LL_I2S_MSB_FIRST

Return values:

None

Definition at line 3153 of file stm32h7xx_ll_spi.h.

References LL_SPI_SetTransferBitOrder().

__STATIC_INLINE void LL_I2S_SetTransferMode	(	SPI_TypeDef *	SPIx,
		uint32_t	Standard
	)

Set I2S config.

Reference Manual to LL API cross reference:: I2SCFGR I2SCFG LL_I2S_SetTransferMode

Parameters:

SPIx	SPI Handle
Standard	This parameter can be one of the following values: LL_I2S_MODE_SLAVE_TX LL_I2S_MODE_SLAVE_RX LL_I2S_MODE_SLAVE_FULL_DUPLEX LL_I2S_MODE_MASTER_TX LL_I2S_MODE_MASTER_RX LL_I2S_MODE_MASTER_FULL_DUPLEX

Return values:

None

Definition at line 3001 of file stm32h7xx_ll_spi.h.

__STATIC_INLINE void LL_I2S_StartTransfer ( SPI_TypeDef * SPIx )

Start effective transfer on wire.

Reference Manual to LL API cross reference:: CR1 CSTART LL_I2S_StartTransfer

Parameters:

SPIx	SPI Instance

Return values:

None

Definition at line 3176 of file stm32h7xx_ll_spi.h.

References LL_SPI_StartMasterTransfer().

Functions

Function Documentation