Slave Select Pin Management

Collaboration diagram for Slave Select Pin Management:

Functions
__STATIC_INLINE void	LL_SPI_SetNSSMode (SPI_TypeDef *SPIx, uint32_t NSS)
	Set NSS mode. More...
__STATIC_INLINE uint32_t	LL_SPI_GetNSSMode (const SPI_TypeDef *SPIx)
	Get NSS mode @rmtoll CR1 SSM LL_SPI_GetNSSMode @rmtoll CR2 SSOE LL_SPI_GetNSSMode. More...

Detailed Description

Function Documentation

LL_SPI_GetNSSMode()

__STATIC_INLINE uint32_t LL_SPI_GetNSSMode

(

const SPI_TypeDef *

SPIx

)

Get NSS mode @rmtoll CR1 SSM LL_SPI_GetNSSMode
@rmtoll 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 710 of file stm32f4xx_ll_spi.h.

LL_SPI_SetNSSMode()

__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. @rmtoll CR1 SSM LL_SPI_SetNSSMode
@rmtoll 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 694 of file stm32f4xx_ll_spi.h.