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CRC Management
[SPI Exported Functions]
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 CR1 CRCL LL_SPI_GetCRCWidth. | |
| __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 CRCPR CRCPOLY LL_SPI_SetCRCPolynomial. | |
| __STATIC_INLINE uint32_t | LL_SPI_GetCRCPolynomial (SPI_TypeDef *SPIx) |
| Get polynomial for CRC calculation CRCPR CRCPOLY LL_SPI_GetCRCPolynomial. | |
| __STATIC_INLINE uint32_t | LL_SPI_GetRxCRC (SPI_TypeDef *SPIx) |
| Get Rx CRC RXCRCR RXCRC LL_SPI_GetRxCRC. | |
| __STATIC_INLINE uint32_t | LL_SPI_GetTxCRC (SPI_TypeDef *SPIx) |
| Get Tx CRC TXCRCR TXCRC LL_SPI_GetTxCRC. | |
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. CR1 CRCEN LL_SPI_DisableCRC
- Parameters:
-
SPIx SPI Instance
- Return values:
-
None
Definition at line 730 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. CR1 CRCEN LL_SPI_EnableCRC
- Parameters:
-
SPIx SPI Instance
- Return values:
-
None
Definition at line 718 of file stm32l4xx_ll_spi.h.
| __STATIC_INLINE uint32_t LL_SPI_GetCRCPolynomial | ( | SPI_TypeDef * | SPIx ) |
Get polynomial for CRC calculation 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 805 of file stm32l4xx_ll_spi.h.
| __STATIC_INLINE uint32_t LL_SPI_GetCRCWidth | ( | SPI_TypeDef * | SPIx ) |
Get CRC Length 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 770 of file stm32l4xx_ll_spi.h.
| __STATIC_INLINE uint32_t LL_SPI_GetRxCRC | ( | SPI_TypeDef * | SPIx ) |
Get Rx CRC 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 816 of file stm32l4xx_ll_spi.h.
| __STATIC_INLINE uint32_t LL_SPI_GetTxCRC | ( | SPI_TypeDef * | SPIx ) |
Get Tx CRC 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 827 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. CR1 CRCEN LL_SPI_IsEnabledCRC
- Parameters:
-
SPIx SPI Instance
- Return values:
-
State of bit (1 or 0).
Definition at line 742 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. CR1 CRCNEXT LL_SPI_SetCRCNext
- Parameters:
-
SPIx SPI Instance
- Return values:
-
None
Definition at line 782 of file stm32l4xx_ll_spi.h.
| __STATIC_INLINE void LL_SPI_SetCRCPolynomial | ( | SPI_TypeDef * | SPIx, |
| uint32_t | CRCPoly | ||
| ) |
Set polynomial for CRC calculation 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 794 of file stm32l4xx_ll_spi.h.
| __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. 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 757 of file stm32l4xx_ll_spi.h.
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