/*****************************************************************************/
/* crc_tbl.h                                                                 */
/*                                                                           */
/* PRELIMINARY - SUBJECT TO CHANGE                                           */
/* Specification of CRC table data structures which can be automatically     */
/* generated by the linker (using the crc_table() operator in the linker     */
/* command file).                                                            */
/*****************************************************************************/
/*  The CRC generator used by the linker is based on concepts from the       */
/*  document:                                                                */
/*     "A Painless Guide to CRC Error Detection Algorithms"                  */
/*                                                                           */
/* Author : Ross Williams (ross@guest.adelaide.edu.au.).                     */
/* Date   : 3 June 1993.                                                     */
/* Status : Public domain (C code).                                          */
/*                                                                           */
/* Description : For more information on the Rocksoft^tm Model CRC           */
/* Algorithm, see the document titled "A Painless Guide to CRC Error         */
/* Detection Algorithms" by Ross Williams (ross@guest.adelaide.edu.au.).     */
/* This document is likely to be in "ftp.adelaide.edu.au/pub/rocksoft" or    */
/* at http:www.ross.net/crc/download/crc_v3.txt.                             */
/*                                                                           */
/* Note: Rocksoft is a trademark of Rocksoft Pty Ltd, Adelaide, Australia.   */
/*****************************************************************************/
#include <stdint.h>        /* For uintXX_t */
/*****************************************************************************/
/* CRC Algorithm Specifiers                                                  */
/*                                                                           */
/* The following specifications, based on the above cited document, are used */
/* by the linker to generate CRC values.                                     */
/*                                                                           */
/* ID  Name          Order  Polynomial   Initial     Ref Ref  CRC XOR   Zero */
/*                                       Value       In  Out  Value     Pad  */
/*-------------------------------------------------------------------------- */
/* 0, "CRC32_PRIME",    32, 0x04c11db7,  0x00000000,  0,  0, 0x00000000,  1  */
/* 1, "CRC16_802_15_4", 16, 0x00001021,  0x00000000,  0,  0, 0x00000000,  1  */
/* 2, "CRC16_ALT",      16, 0x00008005,  0x00000000,  0,  0, 0x00000000,  1  */
/* 3, "CRC8_PRIME",      8, 0x00000007,  0x00000000,  0,  0, 0x00000000,  1  */
/*                                                                           */
/* Users should specify the name, such as CRC32_PRIME, in the linker command */
/* file.  The resulting CRC_RECORD structure will contain the corresponding  */
/* ID value in the crc_alg_ID field.                                         */
/*****************************************************************************/
#define CRC32_PRIME       0     /* Poly = 0x04c11db7 */ /* DEFAULT ALGORITHM */
#define CRC16_802_15_4    1     /* Poly = 0x00001021 */
#define CRC16_ALT         2     /* Poly = 0x00008005 */
#define CRC8_PRIME        3     /* Poly = 0x00000007 */
/*********************************************************/
/* CRC Record Data Structure                             */
/* NOTE: The list of fields and the size of each field   */
/*       varies by target and memory model.              */
/*********************************************************/
typedef struct crc_record
{
uint16_t         crc_alg_ID;    /* CRC algorithm ID             */
uint16_t         page_id;       /* page number of data          */
uint32_t         addr;          /* Starting address             */
uint32_t         size;          /* size of data in 16-bit units */
uint32_t         crc_value;
} CRC_RECORD;
/*********************************************************/
/* CRC Table Data Structure                              */
/*********************************************************/
typedef struct crc_table
{
uint16_t         rec_size;
uint16_t         num_recs;
CRC_RECORD       recs[1];
} CRC_TABLE;