/**
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******************************************************************************
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* @file fm33a0xxev_crc.h
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* @author FM33A0XXEV Application Team
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* @version V1.0.0
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* @date 16-April-2020
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* @brief This file contains all the functions prototypes for the CRC firmware library.
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******************************************************************************
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*/
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/* Define to prevent recursive inclusion -------------------------------------*/
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#ifndef __FM33A0XXEV_CRC_H
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#define __FM33A0XXEV_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 "FM33A0XXEV.h"
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typedef struct
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{
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uint32_t CRCSEL; /*!<CRCУÑé¶àÏîʽλ¿íÑ¡Ôñ*/
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uint32_t OPWD; /*!<WORD²Ù×÷ʹÄÜ*/
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uint32_t PARA; /*!<CRC¿ìËÙ¼ÆËãʹÄÜ*/
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uint32_t RFLTIN; /*!<CRCÊäÈ뷴ת¿ØÖÆ*/
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uint32_t RFLTO; /*!<CRCÊä³ö·´×ª¿ØÖÆ*/
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FunState XOR; /*!<Êä³öÒì»òʹÄÜ*/
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uint32_t CRC_XOR; /*!<ÔËËã½á¹ûÒì»ò¼Ä´æÆ÷*/
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uint32_t CRCPOLY; /*!<CRC¶àÏîʽ¼Ä´æÆ÷*/
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uint32_t LFSR; /*!<CRC³õʼֵ*/
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}CRC_InitTypeDef;
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#define CRC_DR_DR_Pos 0 /* CRCDRÓÃÓÚ×÷ΪÊý¾ÝÊäÈë¼Ä´æÆ÷£¬²¢ÇÒÔÚÔËËã½áÊøºó±£´æCRC¼ÆËã½á¹û¡£(CRC Data Register)
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×÷ΪÊäÈëʱ£ºÈôword²Ù×÷ʹÄÜ£¬Ôò¶ÔCRCDR[31:0]½øÐмÆË㣬¹²4´ÎbyteÔËË㣨Óɵ͵½¸ß£©£»·ñÔò¶ÔCRCDR[7:0]½øÐмÆË㣬¹²1´ÎbyteÔËËã¡£
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±£´æ½á¹ûʱ£ºÈôΪ7λ¶àÏîʽ½á¹û±£´æÔÚCRCDR[6:0]£¬ÈôΪ8λ¶àÏîʽ½á¹û±£´æÔÚCRCDR[7:0]£¬ÈôΪ16λ¶àÏîʽ½á¹û±£´æÔÚCRCDR[15:0]£¬ÈôΪ32λ¶àÏîʽ½á¹û±£´æÔÚCRCDR[31:0]¡£ */
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#define CRC_DR_DR_Msk (0xffffffffU << CRC_DR_DR_Pos)
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#define CRC_CR_OPWD_Pos 9 /* WORD²Ù×÷ʹÄÜ (Operation by Word)
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0£º×Ö½Ú²Ù×÷£¬CRC¼ÆËã½öÕë¶ÔCRCDR×îµÍ×Ö½Ú½øÐÐ
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1£º×Ö²Ù×÷£¬CRC¼ÆËãÕë¶ÔCRCDRÈ«²¿4×Ö½Ú½øÐÐ */
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#define CRC_CR_OPWD_Msk (0x1U << CRC_CR_OPWD_Pos)
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#define CRC_CR_OPWD_BYTE (0x0U << CRC_CR_OPWD_Pos) /* ×Ö½Ú²Ù×÷£¬CRC¼ÆËã½öÕë¶ÔCRCDR×îµÍ×Ö½Ú½øÐÐ */
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#define CRC_CR_OPWD_WORD (0x1U << CRC_CR_OPWD_Pos) /* ×Ö²Ù×÷£¬CRC¼ÆËãÕë¶ÔCRCDRÈ«²¿4×Ö½Ú½øÐÐ */
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#define CRC_CR_PARA_Pos 8 /* CRC¿ìËÙ¼ÆËãʹÄÜ (Parallel Calculation)
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0£º´®ÐÐÔËË㣬¼ÆËã1¸ö×Ö½ÚÐèÒª8¸öʱÖÓÖÜÆÚ
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1£º²¢ÐмÆË㣬¼ÆËã1¸ö×Ö½ÚÐèÒª1¸öʱÖÓÖÜÆÚ */
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#define CRC_CR_PARA_Msk (0x1U << CRC_CR_PARA_Pos)
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#define CRC_CR_PARA_SERIAL (0x0U << CRC_CR_PARA_Pos) /* ´®ÐÐÔËË㣬¼ÆËã1¸ö×Ö½ÚÐèÒª8¸öʱÖÓÖÜÆÚ */
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#define CRC_CR_PARA_PARALLEL (0x1U << CRC_CR_PARA_Pos) /* ²¢ÐмÆË㣬¼ÆËã1¸ö×Ö½ÚÐèÒª1¸öʱÖÓÖÜÆÚ */
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#define CRC_CR_RFLTIN_Pos 6 /* CRCÊäÈ뷴ת¿ØÖÆ (Reflected Input)
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00£ºÊäÈë²»·´×ª
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01£ºÊäÈë°´×Ö½Ú·´×ª
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10£ºÊäÈë°´°ë×Ö·´×ª
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11£ºÊäÈë°´×Ö·´×ª
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ÀýÈ磺¼ÆËãÊý¾ÝΪ0x11223344£¬
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Èç¹ûRFLTIN==01£¬Ôò½«Êý¾Ý±äΪ0x8844CC22£¬ÔÙ½øÐмÆËã Èç¹ûRFLTIN==10£¬Ôò½«Êý¾Ý±äΪ0x448822CC£¬ÔÙ½øÐмÆËã
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Èç¹ûRFLTIN==11£¬Ôò½«Êý¾Ý±äΪ0x22CC4488£¬ÔÙ½øÐмÆËã */
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#define CRC_CR_RFLTIN_Msk (0x3U << CRC_CR_RFLTIN_Pos)
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#define CRC_CR_RFLTIN_NONE (0x0U << CRC_CR_RFLTIN_Pos) /* ÊäÈë²»·´×ª */
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#define CRC_CR_RFLTIN_BYTE (0x1U << CRC_CR_RFLTIN_Pos) /* ÊäÈë°´×Ö½Ú·´×ª */
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#define CRC_CR_RFLTIN_HALFWORD (0x2U << CRC_CR_RFLTIN_Pos) /* ÊäÈë°´°ë×Ö·´×ª */
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#define CRC_CR_RFLTIN_WORD (0x3U << CRC_CR_RFLTIN_Pos) /* ÊäÈë°´×Ö·´×ª */
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#define CRC_CR_RFLTO_Pos 5 /* CRCÊä³ö·´×ª¿ØÖÆ (Reflected Output)
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0£ºÊäÈë²»·´×ª
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1£ºÊäÈë°´×Ö½Ú·´×ª
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ÀýÈ磺
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Èç¹ûRFLTO==1£¬Èôµ±Ç°¼ÆËãµÄCRC½á¹ûΪ0x1234£¬ÔòÊä³öµÄ½á¹ûΪ0x2C48 Èç¹û RFLTO==0£¬ÔòÖ±½ÓÊä³ö0x1234 ×¢Ò⣺´Ë½á¹û²»Ò»¶¨Îª×îÖÕÊä³ö½á¹û£¬»¹ÐèÒª¿´XORÊÇ·ñΪ1£¬Ïê¼û±¾¼Ä´æÆ÷bit2˵Ã÷ */
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#define CRC_CR_RFLTO_Msk (0x1U << CRC_CR_RFLTO_Pos)
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#define CRC_CR_RFLTO_NON (0x0U << CRC_CR_RFLTO_Pos) /* ÊäÈë²»·´×ª */
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#define CRC_CR_RFLTO_BYTE (0x1U << CRC_CR_RFLTO_Pos) /* ÊäÈë°´×Ö½Ú·´×ª */
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#define CRC_CR_RES_Pos 4 /* CRC½á¹û±ê־λ£¬Ö»¶Á (Result Flag)
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0£ºCRC½á¹ûΪ0
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1£ºCRC½á¹û·ÇÈ«0 */
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#define CRC_CR_RES_Msk (0x1U << CRC_CR_RES_Pos)
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#define CRC_CR_BUSY_Pos 3 /* CRCÔËËã±ê־λ£¬Ö»¶Á (Busy)
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0£ºCRCÔËËã½áÊø
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1£ºCRCÔËËã½øÐÐÖÐ */
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#define CRC_CR_BUSY_Msk (0x1U << CRC_CR_BUSY_Pos)
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#define CRC_CR_XOR_Pos 2 /* Êä³öÒì»òʹÄÜ (Output XORed with CRC_XOR register enable)
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0£ºÊä³ö²»Òì»òCRC_XOR¼Ä´æÆ÷
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1£ºÊä³öÒì»òCRC_XOR¼Ä´æÆ÷ */
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#define CRC_CR_XOR_Msk (0x1U << CRC_CR_XOR_Pos)
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/* Êä³ö²»Òì»òCRC_XOR¼Ä´æÆ÷ */
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/* Êä³öÒì»òCRC_XOR¼Ä´æÆ÷ */
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#define CRC_CR_SEL_Pos 0 /* CRC¶àÏîʽλ¿íÑ¡Ôñ (Polynomial width Selection)
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00£º32λ
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01£º16λ
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10£º8λ
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11£º7λ */
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#define CRC_CR_SEL_Msk (0x3U << CRC_CR_SEL_Pos)
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#define CRC_CR_SEL_CRC32 (0x0U << CRC_CR_SEL_Pos) /* 32λ */
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#define CRC_CR_SEL_CRC16 (0x1U << CRC_CR_SEL_Pos) /* 16λ */
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#define CRC_CR_SEL_CRC8 (0x2U << CRC_CR_SEL_Pos) /* 8λ */
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#define CRC_CR_SEL_CRC7 (0x3U << CRC_CR_SEL_Pos) /* 7λ */
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#define CRC_LFSR_LFSR_Pos 0 /* CRCÏßÐÔ·´À¡ÒÆλ¼Ä´æÆ÷ (Linear Feedback Shift Register)
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ÔËË㿪ʼǰ¿ÉÒÔÓÉÈí¼þдÈëCRC³õʼֵ */
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#define CRC_LFSR_LFSR_Msk (0xffffffffU << CRC_LFSR_LFSR_Pos)
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#define CRC_XOR_XOR_Pos 0 /* CRCÔËËã½á¹ûÒì»ò¼Ä´æÆ÷ (eXclusive OR)
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µ±CRC_CR.XORΪ1ʱ£¬CRC½á¹ûÊä³öÇ°½«Òì»ò´Ë¼Ä´æÆ÷µÄÊý¾Ý¡£ */
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#define CRC_XOR_XOR_Msk (0xffffffffU << CRC_XOR_XOR_Pos)
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#define CRC_POLY_POLY_Pos 0 /* CRCÔËËã¶àÏîʽϵÊý (CRC Polynominals) */
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#define CRC_POLY_POLY_Msk (0xffffffffU << CRC_POLY_POLY_Pos)
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//Macro_End
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/* Exported functions --------------------------------------------------------*/
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extern void CRC_Deinit(void);
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/* CRCDRÓÃÓÚ×÷ΪÊý¾ÝÊäÈë¼Ä´æÆ÷£¬²¢ÇÒÔÚÔËËã½áÊøºó±£´æCRC¼ÆËã½á¹û¡£(CRC Data Register)
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×÷ΪÊäÈëʱ£ºÈôword²Ù×÷ʹÄÜ£¬Ôò¶ÔCRCDR[31:0]½øÐмÆË㣬¹²4´ÎbyteÔËË㣨Óɵ͵½¸ß£©£»·ñÔò¶ÔCRCDR[7:0]½øÐмÆË㣬¹²1´ÎbyteÔËËã¡£
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±£´æ½á¹ûʱ£ºÈôΪ7λ¶àÏîʽ½á¹û±£´æÔÚCRCDR[6:0]£¬ÈôΪ8λ¶àÏîʽ½á¹û±£´æÔÚCRCDR[7:0]£¬ÈôΪ16λ¶àÏîʽ½á¹û±£´æÔÚCRCDR[15:0]£¬ÈôΪ32λ¶àÏîʽ½á¹û±£´æÔÚCRCDR[31:0]¡£ Ïà¹Øº¯Êý */
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extern void CRC_DR_Write(uint32_t SetValue);
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extern uint32_t CRC_DR_Read(void);
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/* WORD²Ù×÷ʹÄÜ (Operation by Word)
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0£º×Ö½Ú²Ù×÷£¬CRC¼ÆËã½öÕë¶ÔCRCDR×îµÍ×Ö½Ú½øÐÐ
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1£º×Ö²Ù×÷£¬CRC¼ÆËãÕë¶ÔCRCDRÈ«²¿4×Ö½Ú½øÐÐ Ïà¹Øº¯Êý */
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extern void CRC_CR_OPWD_Set(uint32_t SetValue);
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extern uint32_t CRC_CR_OPWD_Get(void);
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/* CRC¿ìËÙ¼ÆËãʹÄÜ (Parallel Calculation)
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0£º´®ÐÐÔËË㣬¼ÆËã1¸ö×Ö½ÚÐèÒª8¸öʱÖÓÖÜÆÚ
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1£º²¢ÐмÆË㣬¼ÆËã1¸ö×Ö½ÚÐèÒª1¸öʱÖÓÖÜÆÚ Ïà¹Øº¯Êý */
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extern void CRC_CR_PARA_Set(uint32_t SetValue);
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extern uint32_t CRC_CR_PARA_Get(void);
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/* CRCÊäÈ뷴ת¿ØÖÆ (Reflected Input)
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00£ºÊäÈë²»·´×ª
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01£ºÊäÈë°´×Ö½Ú·´×ª
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10£ºÊäÈë°´°ë×Ö·´×ª
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11£ºÊäÈë°´×Ö·´×ª
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ÀýÈ磺¼ÆËãÊý¾ÝΪ0x11223344£¬
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Èç¹ûRFLTIN==01£¬Ôò½«Êý¾Ý±äΪ0x8844CC22£¬ÔÙ½øÐмÆËã Èç¹ûRFLTIN==10£¬Ôò½«Êý¾Ý±äΪ0x448822CC£¬ÔÙ½øÐмÆËã
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Èç¹ûRFLTIN==11£¬Ôò½«Êý¾Ý±äΪ0x22CC4488£¬ÔÙ½øÐмÆËã Ïà¹Øº¯Êý */
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extern void CRC_CR_RFLTIN_Set(uint32_t SetValue);
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extern uint32_t CRC_CR_RFLTIN_Get(void);
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/* CRCÊä³ö·´×ª¿ØÖÆ (Reflected Output)
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0£ºÊäÈë²»·´×ª
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1£ºÊäÈë°´×Ö½Ú·´×ª
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ÀýÈ磺
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Èç¹ûRFLTO==1£¬Èôµ±Ç°¼ÆËãµÄCRC½á¹ûΪ0x1234£¬ÔòÊä³öµÄ½á¹ûΪ0x2C48 Èç¹û RFLTO==0£¬ÔòÖ±½ÓÊä³ö0x1234 ×¢Ò⣺´Ë½á¹û²»Ò»¶¨Îª×îÖÕÊä³ö½á¹û£¬»¹ÐèÒª¿´XORÊÇ·ñΪ1£¬Ïê¼û±¾¼Ä´æÆ÷bit2˵Ã÷ Ïà¹Øº¯Êý */
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extern void CRC_CR_RFLTO_Set(uint32_t SetValue);
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extern uint32_t CRC_CR_RFLTO_Get(void);
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/* CRC½á¹û±ê־λ£¬Ö»¶Á (Result Flag)
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0£ºCRC½á¹ûΪ0
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1£ºCRC½á¹û·ÇÈ«0 Ïà¹Øº¯Êý */
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extern FlagStatus CRC_CR_RES_Chk(void);
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/* CRCÔËËã±ê־λ£¬Ö»¶Á (Busy)
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0£ºCRCÔËËã½áÊø
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1£ºCRCÔËËã½øÐÐÖÐ Ïà¹Øº¯Êý */
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extern FlagStatus CRC_CR_BUSY_Chk(void);
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/* Êä³öÒì»òʹÄÜ (Output XORed with CRC_XOR register enable)
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0£ºÊä³ö²»Òì»òCRC_XOR¼Ä´æÆ÷
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1£ºÊä³öÒì»òCRC_XOR¼Ä´æÆ÷ Ïà¹Øº¯Êý */
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extern void CRC_CR_XOR_Setable(FunState NewState);
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extern FunState CRC_CR_XOR_Getable(void);
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/* CRC¶àÏîʽλ¿íÑ¡Ôñ (Polynomial width Selection)
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00£º32λ
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01£º16λ
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10£º8λ
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11£º7λ Ïà¹Øº¯Êý */
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extern void CRC_CR_SEL_Set(uint32_t SetValue);
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extern uint32_t CRC_CR_SEL_Get(void);
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/* CRCÏßÐÔ·´À¡ÒÆλ¼Ä´æÆ÷ (Linear Feedback Shift Register)
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ÔËË㿪ʼǰ¿ÉÒÔÓÉÈí¼þдÈëCRC³õʼֵ Ïà¹Øº¯Êý */
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extern void CRC_LFSR_Write(uint32_t SetValue);
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extern uint32_t CRC_LFSR_Read(void);
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/* CRCÔËËã½á¹ûÒì»ò¼Ä´æÆ÷ (eXclusive OR)
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µ±CRC_CR.XORΪ1ʱ£¬CRC½á¹ûÊä³öÇ°½«Òì»ò´Ë¼Ä´æÆ÷µÄÊý¾Ý¡£ Ïà¹Øº¯Êý */
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extern void CRC_XOR_Write(uint32_t SetValue);
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extern uint32_t CRC_XOR_Read(void);
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/* CRCÔËËã¶àÏîʽϵÊý (CRC Polynominals) Ïà¹Øº¯Êý */
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extern void CRC_POLY_Write(uint32_t SetValue);
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extern uint32_t CRC_POLY_Read(void);
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//Announce_End
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extern void CRC_Init(CRC_InitTypeDef* para);
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#ifdef __cplusplus
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}
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#endif
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#endif /* __FM33A0XXEV_CRC_H */
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