Slave Select Pin Management

Functions
__STATIC_INLINE void	LL_SPI_SetNSSMode (SPI_TypeDef *SPIx, uint32_t NSS)
	Set NSS mode.
__STATIC_INLINE uint32_t	LL_SPI_GetNSSMode (SPI_TypeDef *SPIx)
	Get NSS mode.
__STATIC_INLINE void	LL_SPI_EnableNSSPulseMgt (SPI_TypeDef *SPIx)
	Enable NSS pulse management.
__STATIC_INLINE void	LL_SPI_DisableNSSPulseMgt (SPI_TypeDef *SPIx)
	Disable NSS pulse management.
__STATIC_INLINE uint32_t	LL_SPI_IsEnabledNSSPulse (SPI_TypeDef *SPIx)
	Check if NSS pulse is enabled.

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Function Documentation

__STATIC_INLINE void LL_SPI_DisableNSSPulseMgt

(

SPI_TypeDef *

SPIx

)

Disable NSS pulse management.

Note:

This bit should not be changed when communication is ongoing. This bit is not used in SPI TI mode.

Reference Manual to LL API cross reference:

CR2 NSSP LL_SPI_DisableNSSPulseMgt

Parameters:

SPIx	SPI Instance

Return values:

None

Definition at line 891 of file stm32l4xx_ll_spi.h.

__STATIC_INLINE void LL_SPI_EnableNSSPulseMgt

(

SPI_TypeDef *

SPIx

)

Enable NSS pulse management.

Note:

This bit should not be changed when communication is ongoing. This bit is not used in SPI TI mode.

Reference Manual to LL API cross reference:

CR2 NSSP LL_SPI_EnableNSSPulseMgt

Parameters:

SPIx	SPI Instance

Return values:

None

Definition at line 879 of file stm32l4xx_ll_spi.h.

__STATIC_INLINE uint32_t LL_SPI_GetNSSMode

(

SPI_TypeDef *

SPIx

)

Get NSS mode.

Reference Manual to LL API cross reference:

CR1 SSM LL_SPI_GetNSSMode

Reference Manual to LL API cross reference:

CR2 SSOE LL_SPI_GetNSSMode

Parameters:

SPIx	SPI Instance

Return values:

Returned

value can be one of the following values: LL_SPI_NSS_SOFT LL_SPI_NSS_HARD_INPUT LL_SPI_NSS_HARD_OUTPUT

Definition at line 865 of file stm32l4xx_ll_spi.h.

__STATIC_INLINE uint32_t LL_SPI_IsEnabledNSSPulse

(

SPI_TypeDef *

SPIx

)

Check if NSS pulse is enabled.

Note:

This bit should not be changed when communication is ongoing. This bit is not used in SPI TI mode.

Reference Manual to LL API cross reference:

CR2 NSSP LL_SPI_IsEnabledNSSPulse

Parameters:

SPIx	SPI Instance

Return values:

State

of bit (1 or 0).

Definition at line 903 of file stm32l4xx_ll_spi.h.

__STATIC_INLINE void LL_SPI_SetNSSMode	(	SPI_TypeDef *	SPIx,
		uint32_t	NSS
	)

Set NSS mode.

Note:

LL_SPI_NSS_SOFT Mode is not used in SPI TI mode.

Reference Manual to LL API cross reference:

CR1 SSM LL_SPI_SetNSSMode

Reference Manual to LL API cross reference:

CR2 SSOE LL_SPI_SetNSSMode

Parameters:

SPIx	SPI Instance
NSS	This parameter can be one of the following values: LL_SPI_NSS_SOFT LL_SPI_NSS_HARD_INPUT LL_SPI_NSS_HARD_OUTPUT

Return values:

None

Definition at line 849 of file stm32l4xx_ll_spi.h.