/**
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******************************************************************************
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* @file xl_CRC.h
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* @author software group
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* @brief This file contains all the functions prototypes for the CRC
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* firmware library.
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******************************************************************************
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* @attention
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*
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* 2019 by Chipways Communications,Inc. All Rights Reserved.
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* This software is supplied under the terms of a license
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* agreement or non-disclosure agreement with Chipways.
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* Passing on and copying of this document,and communication
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* of its contents is not permitted without prior written
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* authorization.
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*
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* <h2><center>© COPYRIGHT 2019 Chipways</center></h2>
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******************************************************************************
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*/
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#ifndef XL_CRC_H__
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#define XL_CRC_H__
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Includes ---------------------------------------------------------------*/
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#include "XL6600.h"
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/* Register define ------------------------------------------------------------*/
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/* CTRL Bit Fields */
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#define CRC_CTRL_CALC_MASK 0x1u
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#define CRC_CTRL_CALC_SHIFT 0
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#define CRC_CTRL_INIT_MASK 0x2u
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#define CRC_CTRL_INIT_SHIFT 1
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#define CRC_CTRL_TCRC_MASK 0x4u
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#define CRC_CTRL_TCRC_SHIFT 2
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#define CRC_CTRL_TOT_MASK 0x300u
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#define CRC_CTRL_TOT_SHIFT 8
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#define CRC_CTRL_INV_MASK 0x800u
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#define CRC_CTRL_INV_SHIFT 11
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#define CRC_CTRL_T16_MASK 0x1000u
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#define CRC_CTRL_T16_SHIFT 12
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/* GPOLY Bit Fields */
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#define CRC_GPOLY_LOW_MASK 0xFFFFu
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#define CRC_GPOLY_LOW_SHIFT 0
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#define CRC_GPOLY_HIGH_MASK 0xFFFF0000u
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#define CRC_GPOLY_HIGH_SHIFT 16
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/* INIT Bit Fields */
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#define CRC_INIT_LOW_MASK 0xFFFFu
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#define CRC_INIT_LOW_SHIFT 0
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#define CRC_INIT_HIGH_MASK 0xFFFF0000u
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#define CRC_INIT_HIGH_SHIFT 16
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/* DATAIN Bit Fields */
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#define CRC_DATAIN_MASK 0xFFu
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#define CRC_DATAIN_SHIFT 0
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/* DATAOUT Bit Fields */
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#define CRC_DATAOUT_LOW_MASK 0xFFFFu
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#define CRC_DATAOUT_LOW_SHIFT 0
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#define CRC_DATAOUT_HIGH_MASK 0xFFFF0000u
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#define CRC_DATAOUT_HIGH_SHIFT 16
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#define CRC_InitStatus_Failed ((uint8_t)0x00) /*!< CRC³õʼ»¯Ê§°Ü */
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#define CRC_InitStatus_Success ((uint8_t)0x01) /*!< CRC³õʼ»¯³É¹¦ */
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/** CRC - Register Layout Typedef */
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typedef struct {
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__IO uint32_t CTRL; /*!< CRCÅäÖüĴæÆ÷, offset: 0x0 */
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__IO uint32_t GPOLY; /*!< CRC¶àÏîʽ¼Ä´æÆ÷, offset: 0x4 */
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__IO uint32_t INIT; /*!< CRC³õʼֵ¼Ä´æÆ÷, offset: 0x8 */
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__O uint32_t DATAIN; /*!< CRCÊý¾ÝÊäÈë¼Ä´æÆ÷, offset: 0x0C */
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__I uint32_t DATAOUT; /*!< CRCÊý¾ÝÊä³ö¼Ä´æÆ÷, offset: 0x10 */
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} CRC_Type;
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extern CRC_Type* CRC;
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/** @addtogroup XL6600_StdPeriph_Driver
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* @{
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*/
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/** @addtogroup CRC
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* @{
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*/
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/* Exported types ------------------------------------------------------------*/
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/**
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* @brief CRC ³õʼ»¯½á¹¹Ì嶨Òå
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*/
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typedef struct
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{
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uint32_t CRC_PolyData; /*!< CRC¼ÆËãËùÐèµÄ¶àÏîʽֵ */
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uint8_t CRC_DataWidth; /*!< CRCÐÒé¿í¶È£¬0£º16λCRCÐÒé ,1£º32λCRCÐÒé */
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uint8_t CRC_WriteTranspose; /*!< дתÖà */
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uint8_t CRC_Transpose16Only; /*!< ½öÔÚ16λÊý¾ÝÄÚתÖà */
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uint8_t CRC_DataOutInvert; /*!< CRC¼ÆËã½á¹ûÈ¡·´ */
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}CRC_InitTypeDef;
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/* Exported constants --------------------------------------------------------*/
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/** @defgroup CRC_Exported_Constants CRCÄ£¿éʹÓòÎÊý¶¨Òå
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* @{
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*/
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/**
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* @defgroup CRC_Mode_Select CRCУÑéģʽѡÔñ
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* @{
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*/
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#define CRC16_TRANSPOSE_IN32 0 /*!< CRC16¼ÆËã½á¹ûÔÚ32λÊý¾ÝÄÚתÖà */
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#define CRC16_TRANSPOSE_IN16 1 /*!< CRC16¼ÆËã½á¹û½öÔÚ16λÊý¾ÝÄÚתÖà */
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/**
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* @}
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*/
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/**
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* @defgroup CRC_OutData_Invert CRCÊä³ö½á¹ûתÖÃ
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* @{
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*/
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#define CRC_DATAOUT_NoInvert 0 /*!< CRC¼ÆËã½á¹û²»È¡·´ */
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#define CRC_DATAOUT_Invert 1 /*!< CRC¼ÆËã½á¹ûÈ¡·´ */
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/**
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* @}
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*/
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/**
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* @defgroup CRC_Data_Transpose CRCÊý¾Ý·×ª
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* @{
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*/
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#define CRC_NoTranspose 0 /*!< Õý³£Êä³öCRC½á¹û£¬²»½øÐÐתÖà */
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#define CRC_TransposeBytes 1 /*!< ½ö×Ö½ÚתÖã»×Ö½ÚÖеÄλ²»×ªÖà */
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#define CRC_TransposeBits 2 /*!< ×Ö½ÚÖеÄλתÖã»×Ö½Ú²»×ªÖà */
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#define CRC_TransposeBoth 3 /*!< ×Ö½ÚÖеÄλºÍ×Ö½Ú¾ùתÖà */
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/**
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* @}
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*/
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/**
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* @defgroup CRC_Data_Width CRCÊý¾ÝУÑé¿í¶È
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* @{
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*/
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#define CRC_Width16Bits 0u /*!< 16λCRCÐÒé */
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#define CRC_Width32Bits 1u /*!< 32λCRCÐÒé */
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/**
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* @}
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*/
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/**
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* @}
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*/
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/* Exported macro ------------------------------------------------------------*/
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/* Exported functions --------------------------------------------------------*/
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void CRC_Deinit(void);
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void CRC_Init(const CRC_InitTypeDef * CRC_InitStruct);
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uint16_t CRC_Cal16(uint32_t InitValue, const uint8_t *msg, uint32_t SizeBytes);
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uint16_t CRC_Cal16_Fast(uint32_t InitValue, const uint8_t *msg, uint32_t SizeBytes);
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uint32_t CRC_Cal32(uint32_t InitValue, const uint8_t *msg, uint32_t SizeBytes);
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uint32_t CRC_Cal32Fast(uint32_t InitValue, const uint8_t *msg, uint32_t SizeBytes);
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#ifdef __cplusplus
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}
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#endif
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#endif /*__XL_CRC_H__ */
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/**
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* @}
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*/
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/**
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* @}
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*/
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