CRC Management

Functions
__STATIC_INLINE void	LL_SPI_EnableCRC (SPI_TypeDef *SPIx)
	Enable CRC.
__STATIC_INLINE void	LL_SPI_DisableCRC (SPI_TypeDef *SPIx)
	Disable CRC.
__STATIC_INLINE uint32_t	LL_SPI_IsEnabledCRC (SPI_TypeDef *SPIx)
	Check if CRC is enabled.
__STATIC_INLINE void	LL_SPI_SetCRCWidth (SPI_TypeDef *SPIx, uint32_t CRCLength)
	Set CRC Length.
__STATIC_INLINE uint32_t	LL_SPI_GetCRCWidth (SPI_TypeDef *SPIx)
	Get CRC Length.
__STATIC_INLINE void	LL_SPI_SetCRCNext (SPI_TypeDef *SPIx)
	Set CRCNext to transfer CRC on the line.
__STATIC_INLINE void	LL_SPI_SetCRCPolynomial (SPI_TypeDef *SPIx, uint32_t CRCPoly)
	Set polynomial for CRC calculation.
__STATIC_INLINE uint32_t	LL_SPI_GetCRCPolynomial (SPI_TypeDef *SPIx)
	Get polynomial for CRC calculation.
__STATIC_INLINE uint32_t	LL_SPI_GetRxCRC (SPI_TypeDef *SPIx)
	Get Rx CRC.
__STATIC_INLINE uint32_t	LL_SPI_GetTxCRC (SPI_TypeDef *SPIx)
	Get Tx CRC.

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Function Documentation

__STATIC_INLINE void LL_SPI_DisableCRC

(

SPI_TypeDef *

SPIx

)

Disable CRC.

Note:

This bit should be written only when SPI is disabled (SPE = 0) for correct operation.

Reference Manual to LL API cross reference:

CR1 CRCEN LL_SPI_DisableCRC

Parameters:

SPIx	SPI Instance

Return values:

None

Definition at line 710 of file stm32l4xx_ll_spi.h.

__STATIC_INLINE void LL_SPI_EnableCRC

(

SPI_TypeDef *

SPIx

)

Enable CRC.

Note:

This bit should be written only when SPI is disabled (SPE = 0) for correct operation.

Reference Manual to LL API cross reference:

CR1 CRCEN LL_SPI_EnableCRC

Parameters:

SPIx	SPI Instance

Return values:

None

Definition at line 698 of file stm32l4xx_ll_spi.h.

__STATIC_INLINE uint32_t LL_SPI_GetCRCPolynomial

(

SPI_TypeDef *

SPIx

)

Get polynomial for CRC calculation.

Reference Manual to LL API cross reference:

CRCPR CRCPOLY LL_SPI_GetCRCPolynomial

Parameters:

SPIx	SPI Instance

Return values:

Returned

value is a number between Min_Data = 0x00 and Max_Data = 0xFFFF

Definition at line 785 of file stm32l4xx_ll_spi.h.

__STATIC_INLINE uint32_t LL_SPI_GetCRCWidth

(

SPI_TypeDef *

SPIx

)

Get CRC Length.

Reference Manual to LL API cross reference:

CR1 CRCL LL_SPI_GetCRCWidth

Parameters:

SPIx	SPI Instance

Return values:

Returned

value can be one of the following values: LL_SPI_CRC_8BIT LL_SPI_CRC_16BIT

Definition at line 750 of file stm32l4xx_ll_spi.h.

__STATIC_INLINE uint32_t LL_SPI_GetRxCRC

(

SPI_TypeDef *

SPIx

)

Get Rx CRC.

Reference Manual to LL API cross reference:

RXCRCR RXCRC LL_SPI_GetRxCRC

Parameters:

SPIx	SPI Instance

Return values:

Returned

value is a number between Min_Data = 0x00 and Max_Data = 0xFFFF

Definition at line 796 of file stm32l4xx_ll_spi.h.

__STATIC_INLINE uint32_t LL_SPI_GetTxCRC

(

SPI_TypeDef *

SPIx

)

Get Tx CRC.

Reference Manual to LL API cross reference:

TXCRCR TXCRC LL_SPI_GetTxCRC

Parameters:

SPIx	SPI Instance

Return values:

Returned

value is a number between Min_Data = 0x00 and Max_Data = 0xFFFF

Definition at line 807 of file stm32l4xx_ll_spi.h.

__STATIC_INLINE uint32_t LL_SPI_IsEnabledCRC

(

SPI_TypeDef *

SPIx

)

Check if CRC is enabled.

Note:

This bit should be written only when SPI is disabled (SPE = 0) for correct operation.

Reference Manual to LL API cross reference:

CR1 CRCEN LL_SPI_IsEnabledCRC

Parameters:

SPIx	SPI Instance

Return values:

State

of bit (1 or 0).

Definition at line 722 of file stm32l4xx_ll_spi.h.

__STATIC_INLINE void LL_SPI_SetCRCNext

(

SPI_TypeDef *

SPIx

)

Set CRCNext to transfer CRC on the line.

Note:

This bit has to be written as soon as the last data is written in the SPIx_DR register.

Reference Manual to LL API cross reference:

CR1 CRCNEXT LL_SPI_SetCRCNext

Parameters:

SPIx	SPI Instance

Return values:

None

Definition at line 762 of file stm32l4xx_ll_spi.h.

__STATIC_INLINE void LL_SPI_SetCRCPolynomial	(	SPI_TypeDef *	SPIx,
		uint32_t	CRCPoly
	)

Set polynomial for CRC calculation.

Reference Manual to LL API cross reference:

CRCPR CRCPOLY LL_SPI_SetCRCPolynomial

Parameters:

SPIx	SPI Instance
CRCPoly	This parameter must be a number between Min_Data = 0x00 and Max_Data = 0xFFFF

Return values:

None

Definition at line 774 of file stm32l4xx_ll_spi.h.

Referenced by LL_SPI_Init().

__STATIC_INLINE void LL_SPI_SetCRCWidth	(	SPI_TypeDef *	SPIx,
		uint32_t	CRCLength
	)

Set CRC Length.

Note:

This bit should be written only when SPI is disabled (SPE = 0) for correct operation.

Reference Manual to LL API cross reference:

CR1 CRCL LL_SPI_SetCRCWidth

Parameters:

SPIx	SPI Instance
CRCLength	This parameter can be one of the following values: LL_SPI_CRC_8BIT LL_SPI_CRC_16BIT

Return values:

None

Definition at line 737 of file stm32l4xx_ll_spi.h.