stm32l4xx_ll_crc.h File Reference

Header file of CRC LL module. More...

#include "stm32l4xx.h"

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Defines
#define	LL_CRC_POLYLENGTH_32B   0x00000000U
#define	LL_CRC_POLYLENGTH_16B   CRC_CR_POLYSIZE_0
#define	LL_CRC_POLYLENGTH_8B   CRC_CR_POLYSIZE_1
#define	LL_CRC_POLYLENGTH_7B   (CRC_CR_POLYSIZE_1 | CRC_CR_POLYSIZE_0)
#define	LL_CRC_INDATA_REVERSE_NONE   0x00000000U
#define	LL_CRC_INDATA_REVERSE_BYTE   CRC_CR_REV_IN_0
#define	LL_CRC_INDATA_REVERSE_HALFWORD   CRC_CR_REV_IN_1
#define	LL_CRC_INDATA_REVERSE_WORD   (CRC_CR_REV_IN_1 | CRC_CR_REV_IN_0)
#define	LL_CRC_OUTDATA_REVERSE_NONE   0x00000000U
#define	LL_CRC_OUTDATA_REVERSE_BIT   CRC_CR_REV_OUT
#define	LL_CRC_DEFAULT_CRC32_POLY   0x04C11DB7U
#define	LL_CRC_DEFAULT_CRC_INITVALUE   0xFFFFFFFFU
#define	LL_CRC_WriteReg(__INSTANCE__, __REG__, __VALUE__)   WRITE_REG(__INSTANCE__->__REG__, __VALUE__)
	Write a value in CRC register.
#define	LL_CRC_ReadReg(__INSTANCE__, __REG__)   READ_REG(__INSTANCE__->__REG__)
	Read a value in CRC register.
Functions
__STATIC_INLINE void	LL_CRC_ResetCRCCalculationUnit (CRC_TypeDef *CRCx)
	Reset the CRC calculation unit.
__STATIC_INLINE void	LL_CRC_SetPolynomialSize (CRC_TypeDef *CRCx, uint32_t PolySize)
	Configure size of the polynomial.
__STATIC_INLINE uint32_t	LL_CRC_GetPolynomialSize (CRC_TypeDef *CRCx)
	Return size of the polynomial.
__STATIC_INLINE void	LL_CRC_SetInputDataReverseMode (CRC_TypeDef *CRCx, uint32_t ReverseMode)
	Configure the reversal of the bit order of the input data.
__STATIC_INLINE uint32_t	LL_CRC_GetInputDataReverseMode (CRC_TypeDef *CRCx)
	Return type of reversal for input data bit order.
__STATIC_INLINE void	LL_CRC_SetOutputDataReverseMode (CRC_TypeDef *CRCx, uint32_t ReverseMode)
	Configure the reversal of the bit order of the Output data.
__STATIC_INLINE uint32_t	LL_CRC_GetOutputDataReverseMode (CRC_TypeDef *CRCx)
	Return type of reversal of the bit order of the Output data.
__STATIC_INLINE void	LL_CRC_SetInitialData (CRC_TypeDef *CRCx, uint32_t InitCrc)
	Initialize the Programmable initial CRC value.
__STATIC_INLINE uint32_t	LL_CRC_GetInitialData (CRC_TypeDef *CRCx)
	Return current Initial CRC value.
__STATIC_INLINE void	LL_CRC_SetPolynomialCoef (CRC_TypeDef *CRCx, uint32_t PolynomCoef)
	Initialize the Programmable polynomial value (coefficients of the polynomial to be used for CRC calculation).
__STATIC_INLINE uint32_t	LL_CRC_GetPolynomialCoef (CRC_TypeDef *CRCx)
	Return current Programmable polynomial value.
__STATIC_INLINE void	LL_CRC_FeedData32 (CRC_TypeDef *CRCx, uint32_t InData)
	Write given 32-bit data to the CRC calculator.
__STATIC_INLINE void	LL_CRC_FeedData16 (CRC_TypeDef *CRCx, uint16_t InData)
	Write given 16-bit data to the CRC calculator.
__STATIC_INLINE void	LL_CRC_FeedData8 (CRC_TypeDef *CRCx, uint8_t InData)
	Write given 8-bit data to the CRC calculator.
__STATIC_INLINE uint32_t	LL_CRC_ReadData32 (CRC_TypeDef *CRCx)
	Return current CRC calculation result.
__STATIC_INLINE uint16_t	LL_CRC_ReadData16 (CRC_TypeDef *CRCx)
	Return current CRC calculation result.
__STATIC_INLINE uint8_t	LL_CRC_ReadData8 (CRC_TypeDef *CRCx)
	Return current CRC calculation result.
__STATIC_INLINE uint8_t	LL_CRC_ReadData7 (CRC_TypeDef *CRCx)
	Return current CRC calculation result.
__STATIC_INLINE uint32_t	LL_CRC_Read_IDR (CRC_TypeDef *CRCx)
	Return data stored in the Independent Data(IDR) register.
__STATIC_INLINE void	LL_CRC_Write_IDR (CRC_TypeDef *CRCx, uint32_t InData)
	Store data in the Independent Data(IDR) register.
ErrorStatus	LL_CRC_DeInit (CRC_TypeDef *CRCx)
	De-initialize CRC registers (Registers restored to their default values).

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Detailed Description

Header file of CRC LL module.

Author:

MCD Application Team

Attention:

Copyright (c) 2017 STMicroelectronics. All rights reserved.

This software is licensed under terms that can be found in the LICENSE file in the root directory of this software component. If no LICENSE file comes with this software, it is provided AS-IS.

Definition in file stm32l4xx_ll_crc.h.