forked from gatsby/df_datalink
440 lines
18 KiB
C
440 lines
18 KiB
C
/*****************************************************************************/
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/**
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* Description: CRC implementation file
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*
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* Author: Hao Fan
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* Date: 2021-11-16 00:50
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* LastEditors: Hao Fan
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* LastEditTime: 2022-07-17 20:53
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* Revisions: Rev 0.0
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* History:
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* [2022-07-17]: Add CRC16_0x8005 CRC8_0x31.
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* [2022-01-06]: Initial verion (Basic CRC-16).
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*
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* Copyright(c) 2021 Beijing Institute of Technology.
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* Lab of Communication and Networking
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*
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******************************************************************************/
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#include "util.h"
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#include "error.h"
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#ifdef __CRC_LSB
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// CRC-16-CCITT G(X)=X16+X12+X5+1
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// Reversed
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static const uint16_t crc16_1021_lsb_lut[256] =
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{
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0x0000, 0x1189, 0x2312, 0x329B, 0x4624, 0x57AD, 0x6536, 0x74BF,
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0x8C48, 0x9DC1, 0xAF5A, 0xBED3, 0xCA6C, 0xDBE5, 0xE97E, 0xF8F7,
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0x1081, 0x0108, 0x3393, 0x221A, 0x56A5, 0x472C, 0x75B7, 0x643E,
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0x9CC9, 0x8D40, 0xBFDB, 0xAE52, 0xDAED, 0xCB64, 0xF9FF, 0xE876,
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0x2102, 0x308B, 0x0210, 0x1399, 0x6726, 0x76AF, 0x4434, 0x55BD,
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0xAD4A, 0xBCC3, 0x8E58, 0x9FD1, 0xEB6E, 0xFAE7, 0xC87C, 0xD9F5,
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0x3183, 0x200A, 0x1291, 0x0318, 0x77A7, 0x662E, 0x54B5, 0x453C,
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0xBDCB, 0xAC42, 0x9ED9, 0x8F50, 0xFBEF, 0xEA66, 0xD8FD, 0xC974,
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0x4204, 0x538D, 0x6116, 0x709F, 0x0420, 0x15A9, 0x2732, 0x36BB,
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0xCE4C, 0xDFC5, 0xED5E, 0xFCD7, 0x8868, 0x99E1, 0xAB7A, 0xBAF3,
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0x5285, 0x430C, 0x7197, 0x601E, 0x14A1, 0x0528, 0x37B3, 0x263A,
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0xDECD, 0xCF44, 0xFDDF, 0xEC56, 0x98E9, 0x8960, 0xBBFB, 0xAA72,
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0x6306, 0x728F, 0x4014, 0x519D, 0x2522, 0x34AB, 0x0630, 0x17B9,
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0xEF4E, 0xFEC7, 0xCC5C, 0xDDD5, 0xA96A, 0xB8E3, 0x8A78, 0x9BF1,
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0x7387, 0x620E, 0x5095, 0x411C, 0x35A3, 0x242A, 0x16B1, 0x0738,
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0xFFCF, 0xEE46, 0xDCDD, 0xCD54, 0xB9EB, 0xA862, 0x9AF9, 0x8B70,
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0x8408, 0x9581, 0xA71A, 0xB693, 0xC22C, 0xD3A5, 0xE13E, 0xF0B7,
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0x0840, 0x19C9, 0x2B52, 0x3ADB, 0x4E64, 0x5FED, 0x6D76, 0x7CFF,
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0x9489, 0x8500, 0xB79B, 0xA612, 0xD2AD, 0xC324, 0xF1BF, 0xE036,
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0x18C1, 0x0948, 0x3BD3, 0x2A5A, 0x5EE5, 0x4F6C, 0x7DF7, 0x6C7E,
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0xA50A, 0xB483, 0x8618, 0x9791, 0xE32E, 0xF2A7, 0xC03C, 0xD1B5,
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0x2942, 0x38CB, 0x0A50, 0x1BD9, 0x6F66, 0x7EEF, 0x4C74, 0x5DFD,
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0xB58B, 0xA402, 0x9699, 0x8710, 0xF3AF, 0xE226, 0xD0BD, 0xC134,
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0x39C3, 0x284A, 0x1AD1, 0x0B58, 0x7FE7, 0x6E6E, 0x5CF5, 0x4D7C,
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0xC60C, 0xD785, 0xE51E, 0xF497, 0x8028, 0x91A1, 0xA33A, 0xB2B3,
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0x4A44, 0x5BCD, 0x6956, 0x78DF, 0x0C60, 0x1DE9, 0x2F72, 0x3EFB,
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0xD68D, 0xC704, 0xF59F, 0xE416, 0x90A9, 0x8120, 0xB3BB, 0xA232,
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0x5AC5, 0x4B4C, 0x79D7, 0x685E, 0x1CE1, 0x0D68, 0x3FF3, 0x2E7A,
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0xE70E, 0xF687, 0xC41C, 0xD595, 0xA12A, 0xB0A3, 0x8238, 0x93B1,
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0x6B46, 0x7ACF, 0x4854, 0x59DD, 0x2D62, 0x3CEB, 0x0E70, 0x1FF9,
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0xF78F, 0xE606, 0xD49D, 0xC514, 0xB1AB, 0xA022, 0x92B9, 0x8330,
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0x7BC7, 0x6A4E, 0x58D5, 0x495C, 0x3DE3, 0x2C6A, 0x1EF1, 0x0F78
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};
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// CRC-16-MAXIM G(X)=X16+X15+X2+1
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const uint16_t crc16_8005_lsb_lut[256] =
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{
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0x0000, 0xC0C1, 0xC181, 0x0140, 0xC301, 0x03C0, 0x0280, 0xC241,
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0xC601, 0x06C0, 0x0780, 0xC741, 0x0500, 0xC5C1, 0xC481, 0x0440,
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0xCC01, 0x0CC0, 0x0D80, 0xCD41, 0x0F00, 0xCFC1, 0xCE81, 0x0E40,
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0x0A00, 0xCAC1, 0xCB81, 0x0B40, 0xC901, 0x09C0, 0x0880, 0xC841,
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0xD801, 0x18C0, 0x1980, 0xD941, 0x1B00, 0xDBC1, 0xDA81, 0x1A40,
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0x1E00, 0xDEC1, 0xDF81, 0x1F40, 0xDD01, 0x1DC0, 0x1C80, 0xDC41,
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0x1400, 0xD4C1, 0xD581, 0x1540, 0xD701, 0x17C0, 0x1680, 0xD641,
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0xD201, 0x12C0, 0x1380, 0xD341, 0x1100, 0xD1C1, 0xD081, 0x1040,
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0xF001, 0x30C0, 0x3180, 0xF141, 0x3300, 0xF3C1, 0xF281, 0x3240,
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0x3600, 0xF6C1, 0xF781, 0x3740, 0xF501, 0x35C0, 0x3480, 0xF441,
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0x3C00, 0xFCC1, 0xFD81, 0x3D40, 0xFF01, 0x3FC0, 0x3E80, 0xFE41,
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0xFA01, 0x3AC0, 0x3B80, 0xFB41, 0x3900, 0xF9C1, 0xF881, 0x3840,
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0x2800, 0xE8C1, 0xE981, 0x2940, 0xEB01, 0x2BC0, 0x2A80, 0xEA41,
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0xEE01, 0x2EC0, 0x2F80, 0xEF41, 0x2D00, 0xEDC1, 0xEC81, 0x2C40,
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0xE401, 0x24C0, 0x2580, 0xE541, 0x2700, 0xE7C1, 0xE681, 0x2640,
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0x2200, 0xE2C1, 0xE381, 0x2340, 0xE101, 0x21C0, 0x2080, 0xE041,
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0xA001, 0x60C0, 0x6180, 0xA141, 0x6300, 0xA3C1, 0xA281, 0x6240,
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0x6600, 0xA6C1, 0xA781, 0x6740, 0xA501, 0x65C0, 0x6480, 0xA441,
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0x6C00, 0xACC1, 0xAD81, 0x6D40, 0xAF01, 0x6FC0, 0x6E80, 0xAE41,
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0xAA01, 0x6AC0, 0x6B80, 0xAB41, 0x6900, 0xA9C1, 0xA881, 0x6840,
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0x7800, 0xB8C1, 0xB981, 0x7940, 0xBB01, 0x7BC0, 0x7A80, 0xBA41,
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0xBE01, 0x7EC0, 0x7F80, 0xBF41, 0x7D00, 0xBDC1, 0xBC81, 0x7C40,
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0xB401, 0x74C0, 0x7580, 0xB541, 0x7700, 0xB7C1, 0xB681, 0x7640,
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0x7200, 0xB2C1, 0xB381, 0x7340, 0xB101, 0x71C0, 0x7080, 0xB041,
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0x5000, 0x90C1, 0x9181, 0x5140, 0x9301, 0x53C0, 0x5280, 0x9241,
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0x9601, 0x56C0, 0x5780, 0x9741, 0x5500, 0x95C1, 0x9481, 0x5440,
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0x9C01, 0x5CC0, 0x5D80, 0x9D41, 0x5F00, 0x9FC1, 0x9E81, 0x5E40,
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0x5A00, 0x9AC1, 0x9B81, 0x5B40, 0x9901, 0x59C0, 0x5880, 0x9841,
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0x8801, 0x48C0, 0x4980, 0x8941, 0x4B00, 0x8BC1, 0x8A81, 0x4A40,
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0x4E00, 0x8EC1, 0x8F81, 0x4F40, 0x8D01, 0x4DC0, 0x4C80, 0x8C41,
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0x4400, 0x84C1, 0x8581, 0x4540, 0x8701, 0x47C0, 0x4680, 0x8641,
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0x8201, 0x42C0, 0x4380, 0x8341, 0x4100, 0x81C1, 0x8081, 0x4040
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};
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// CRC-8-MAXIM G(X)=X8+X5+X4+1
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const uint8_t crc8_31_lsb_lut[256] =
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{
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0x00, 0x5E, 0xBC, 0xE2, 0x61, 0x3F, 0xDD, 0x83,
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0xC2, 0x9C, 0x7E, 0x20, 0xA3, 0xFD, 0x1F, 0x41,
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0x9D, 0xC3, 0x21, 0x7F, 0xFC, 0xA2, 0x40, 0x1E,
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0x5F, 0x01, 0xE3, 0xBD, 0x3E, 0x60, 0x82, 0xDC,
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0x23, 0x7D, 0x9F, 0xC1, 0x42, 0x1C, 0xFE, 0xA0,
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0xE1, 0xBF, 0x5D, 0x03, 0x80, 0xDE, 0x3C, 0x62,
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0xBE, 0xE0, 0x02, 0x5C, 0xDF, 0x81, 0x63, 0x3D,
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0x7C, 0x22, 0xC0, 0x9E, 0x1D, 0x43, 0xA1, 0xFF,
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0x46, 0x18, 0xFA, 0xA4, 0x27, 0x79, 0x9B, 0xC5,
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0x84, 0xDA, 0x38, 0x66, 0xE5, 0xBB, 0x59, 0x07,
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0xDB, 0x85, 0x67, 0x39, 0xBA, 0xE4, 0x06, 0x58,
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0x19, 0x47, 0xA5, 0xFB, 0x78, 0x26, 0xC4, 0x9A,
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0x65, 0x3B, 0xD9, 0x87, 0x04, 0x5A, 0xB8, 0xE6,
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0xA7, 0xF9, 0x1B, 0x45, 0xC6, 0x98, 0x7A, 0x24,
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0xF8, 0xA6, 0x44, 0x1A, 0x99, 0xC7, 0x25, 0x7B,
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0x3A, 0x64, 0x86, 0xD8, 0x5B, 0x05, 0xE7, 0xB9,
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0x8C, 0xD2, 0x30, 0x6E, 0xED, 0xB3, 0x51, 0x0F,
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0x4E, 0x10, 0xF2, 0xAC, 0x2F, 0x71, 0x93, 0xCD,
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0x11, 0x4F, 0xAD, 0xF3, 0x70, 0x2E, 0xCC, 0x92,
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0xD3, 0x8D, 0x6F, 0x31, 0xB2, 0xEC, 0x0E, 0x50,
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0xAF, 0xF1, 0x13, 0x4D, 0xCE, 0x90, 0x72, 0x2C,
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0x6D, 0x33, 0xD1, 0x8F, 0x0C, 0x52, 0xB0, 0xEE,
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0x32, 0x6C, 0x8E, 0xD0, 0x53, 0x0D, 0xEF, 0xB1,
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0xF0, 0xAE, 0x4C, 0x12, 0x91, 0xCF, 0x2D, 0x73,
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0xCA, 0x94, 0x76, 0x28, 0xAB, 0xF5, 0x17, 0x49,
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0x08, 0x56, 0xB4, 0xEA, 0x69, 0x37, 0xD5, 0x8B,
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0x57, 0x09, 0xEB, 0xB5, 0x36, 0x68, 0x8A, 0xD4,
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0x95, 0xCB, 0x29, 0x77, 0xF4, 0xAA, 0x48, 0x16,
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0xE9, 0xB7, 0x55, 0x0B, 0x88, 0xD6, 0x34, 0x6A,
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0x2B, 0x75, 0x97, 0xC9, 0x4A, 0x14, 0xF6, 0xA8,
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0x74, 0x2A, 0xC8, 0x96, 0x15, 0x4B, 0xA9, 0xF7,
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0xB6, 0xE8, 0x0A, 0x54, 0xD7, 0x89, 0x6B, 0x35
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};
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#else
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// CRC-16-CCITT G(X)=X16+X12+X5+1
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static const uint16_t crc16_1021_msb_lut[256] =
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{
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0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50A5, 0x60C6, 0x70E7,
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0x8108, 0x9129, 0xA14A, 0xB16B, 0xC18C, 0xD1AD, 0xE1CE, 0xF1EF,
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0x1231, 0x0210, 0x3273, 0x2252, 0x52B5, 0x4294, 0x72F7, 0x62D6,
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0x9339, 0x8318, 0xB37B, 0xA35A, 0xD3BD, 0xC39C, 0xF3FF, 0xE3DE,
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0x2462, 0x3443, 0x0420, 0x1401, 0x64E6, 0x74C7, 0x44A4, 0x5485,
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0xA56A, 0xB54B, 0x8528, 0x9509, 0xE5EE, 0xF5CF, 0xC5AC, 0xD58D,
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0x3653, 0x2672, 0x1611, 0x0630, 0x76D7, 0x66F6, 0x5695, 0x46B4,
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0xB75B, 0xA77A, 0x9719, 0x8738, 0xF7DF, 0xE7FE, 0xD79D, 0xC7BC,
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0x48C4, 0x58E5, 0x6886, 0x78A7, 0x0840, 0x1861, 0x2802, 0x3823,
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0xC9CC, 0xD9ED, 0xE98E, 0xF9AF, 0x8948, 0x9969, 0xA90A, 0xB92B,
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0x5AF5, 0x4AD4, 0x7AB7, 0x6A96, 0x1A71, 0x0A50, 0x3A33, 0x2A12,
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0xDBFD, 0xCBDC, 0xFBBF, 0xEB9E, 0x9B79, 0x8B58, 0xBB3B, 0xAB1A,
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0x6CA6, 0x7C87, 0x4CE4, 0x5CC5, 0x2C22, 0x3C03, 0x0C60, 0x1C41,
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0xEDAE, 0xFD8F, 0xCDEC, 0xDDCD, 0xAD2A, 0xBD0B, 0x8D68, 0x9D49,
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0x7E97, 0x6EB6, 0x5ED5, 0x4EF4, 0x3E13, 0x2E32, 0x1E51, 0x0E70,
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0xFF9F, 0xEFBE, 0xDFDD, 0xCFFC, 0xBF1B, 0xAF3A, 0x9F59, 0x8F78,
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0x9188, 0x81A9, 0xB1CA, 0xA1EB, 0xD10C, 0xC12D, 0xF14E, 0xE16F,
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0x1080, 0x00A1, 0x30C2, 0x20E3, 0x5004, 0x4025, 0x7046, 0x6067,
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0x83B9, 0x9398, 0xA3FB, 0xB3DA, 0xC33D, 0xD31C, 0xE37F, 0xF35E,
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0x02B1, 0x1290, 0x22F3, 0x32D2, 0x4235, 0x5214, 0x6277, 0x7256,
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0xB5EA, 0xA5CB, 0x95A8, 0x8589, 0xF56E, 0xE54F, 0xD52C, 0xC50D,
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0x34E2, 0x24C3, 0x14A0, 0x0481, 0x7466, 0x6447, 0x5424, 0x4405,
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0xA7DB, 0xB7FA, 0x8799, 0x97B8, 0xE75F, 0xF77E, 0xC71D, 0xD73C,
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0x26D3, 0x36F2, 0x0691, 0x16B0, 0x6657, 0x7676, 0x4615, 0x5634,
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0xD94C, 0xC96D, 0xF90E, 0xE92F, 0x99C8, 0x89E9, 0xB98A, 0xA9AB,
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0x5844, 0x4865, 0x7806, 0x6827, 0x18C0, 0x08E1, 0x3882, 0x28A3,
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0xCB7D, 0xDB5C, 0xEB3F, 0xFB1E, 0x8BF9, 0x9BD8, 0xABBB, 0xBB9A,
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0x4A75, 0x5A54, 0x6A37, 0x7A16, 0x0AF1, 0x1AD0, 0x2AB3, 0x3A92,
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0xFD2E, 0xED0F, 0xDD6C, 0xCD4D, 0xBDAA, 0xAD8B, 0x9DE8, 0x8DC9,
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0x7C26, 0x6C07, 0x5C64, 0x4C45, 0x3CA2, 0x2C83, 0x1CE0, 0x0CC1,
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0xEF1F, 0xFF3E, 0xCF5D, 0xDF7C, 0xAF9B, 0xBFBA, 0x8FD9, 0x9FF8,
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0x6E17, 0x7E36, 0x4E55, 0x5E74, 0x2E93, 0x3EB2, 0x0ED1, 0x1EF0
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};
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// CRC-16-MAXIM G(X)=X16+X15+X2+1
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const uint16_t crc16_8005_msb_lut[256] =
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{
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0x0000, 0x8005, 0x800F, 0x000A, 0x801B, 0x001E, 0x0014, 0x8011,
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0x8033, 0x0036, 0x003C, 0x8039, 0x0028, 0x802D, 0x8027, 0x0022,
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0x8063, 0x0066, 0x006C, 0x8069, 0x0078, 0x807D, 0x8077, 0x0072,
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0x0050, 0x8055, 0x805F, 0x005A, 0x804B, 0x004E, 0x0044, 0x8041,
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0x80C3, 0x00C6, 0x00CC, 0x80C9, 0x00D8, 0x80DD, 0x80D7, 0x00D2,
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0x00F0, 0x80F5, 0x80FF, 0x00FA, 0x80EB, 0x00EE, 0x00E4, 0x80E1,
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0x00A0, 0x80A5, 0x80AF, 0x00AA, 0x80BB, 0x00BE, 0x00B4, 0x80B1,
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0x8093, 0x0096, 0x009C, 0x8099, 0x0088, 0x808D, 0x8087, 0x0082,
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0x8183, 0x0186, 0x018C, 0x8189, 0x0198, 0x819D, 0x8197, 0x0192,
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0x01B0, 0x81B5, 0x81BF, 0x01BA, 0x81AB, 0x01AE, 0x01A4, 0x81A1,
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0x01E0, 0x81E5, 0x81EF, 0x01EA, 0x81FB, 0x01FE, 0x01F4, 0x81F1,
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0x81D3, 0x01D6, 0x01DC, 0x81D9, 0x01C8, 0x81CD, 0x81C7, 0x01C2,
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0x0140, 0x8145, 0x814F, 0x014A, 0x815B, 0x015E, 0x0154, 0x8151,
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0x8173, 0x0176, 0x017C, 0x8179, 0x0168, 0x816D, 0x8167, 0x0162,
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0x8123, 0x0126, 0x012C, 0x8129, 0x0138, 0x813D, 0x8137, 0x0132,
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0x0110, 0x8115, 0x811F, 0x011A, 0x810B, 0x010E, 0x0104, 0x8101,
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0x8303, 0x0306, 0x030C, 0x8309, 0x0318, 0x831D, 0x8317, 0x0312,
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0x0330, 0x8335, 0x833F, 0x033A, 0x832B, 0x032E, 0x0324, 0x8321,
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0x0360, 0x8365, 0x836F, 0x036A, 0x837B, 0x037E, 0x0374, 0x8371,
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0x8353, 0x0356, 0x035C, 0x8359, 0x0348, 0x834D, 0x8347, 0x0342,
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0x03C0, 0x83C5, 0x83CF, 0x03CA, 0x83DB, 0x03DE, 0x03D4, 0x83D1,
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0x83F3, 0x03F6, 0x03FC, 0x83F9, 0x03E8, 0x83ED, 0x83E7, 0x03E2,
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0x83A3, 0x03A6, 0x03AC, 0x83A9, 0x03B8, 0x83BD, 0x83B7, 0x03B2,
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0x0390, 0x8395, 0x839F, 0x039A, 0x838B, 0x038E, 0x0384, 0x8381,
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0x0280, 0x8285, 0x828F, 0x028A, 0x829B, 0x029E, 0x0294, 0x8291,
|
|
0x82B3, 0x02B6, 0x02BC, 0x82B9, 0x02A8, 0x82AD, 0x82A7, 0x02A2,
|
|
0x82E3, 0x02E6, 0x02EC, 0x82E9, 0x02F8, 0x82FD, 0x82F7, 0x02F2,
|
|
0x02D0, 0x82D5, 0x82DF, 0x02DA, 0x82CB, 0x02CE, 0x02C4, 0x82C1,
|
|
0x8243, 0x0246, 0x024C, 0x8249, 0x0258, 0x825D, 0x8257, 0x0252,
|
|
0x0270, 0x8275, 0x827F, 0x027A, 0x826B, 0x026E, 0x0264, 0x8261,
|
|
0x0220, 0x8225, 0x822F, 0x022A, 0x823B, 0x023E, 0x0234, 0x8231,
|
|
0x8213, 0x0216, 0x021C, 0x8219, 0x0208, 0x820D, 0x8207, 0x0202
|
|
};
|
|
|
|
// CRC-8-MAXIM G(X)=X8+X5+X4+1
|
|
const uint8_t crc8_31_msb_lut[256] =
|
|
{
|
|
0x00, 0x31, 0x62, 0x53, 0xC4, 0xF5, 0xA6, 0x97,
|
|
0xB9, 0x88, 0xDB, 0xEA, 0x7D, 0x4C, 0x1F, 0x2E,
|
|
0x43, 0x72, 0x21, 0x10, 0x87, 0xB6, 0xE5, 0xD4,
|
|
0xFA, 0xCB, 0x98, 0xA9, 0x3E, 0x0F, 0x5C, 0x6D,
|
|
0x86, 0xB7, 0xE4, 0xD5, 0x42, 0x73, 0x20, 0x11,
|
|
0x3F, 0x0E, 0x5D, 0x6C, 0xFB, 0xCA, 0x99, 0xA8,
|
|
0xC5, 0xF4, 0xA7, 0x96, 0x01, 0x30, 0x63, 0x52,
|
|
0x7C, 0x4D, 0x1E, 0x2F, 0xB8, 0x89, 0xDA, 0xEB,
|
|
0x3D, 0x0C, 0x5F, 0x6E, 0xF9, 0xC8, 0x9B, 0xAA,
|
|
0x84, 0xB5, 0xE6, 0xD7, 0x40, 0x71, 0x22, 0x13,
|
|
0x7E, 0x4F, 0x1C, 0x2D, 0xBA, 0x8B, 0xD8, 0xE9,
|
|
0xC7, 0xF6, 0xA5, 0x94, 0x03, 0x32, 0x61, 0x50,
|
|
0xBB, 0x8A, 0xD9, 0xE8, 0x7F, 0x4E, 0x1D, 0x2C,
|
|
0x02, 0x33, 0x60, 0x51, 0xC6, 0xF7, 0xA4, 0x95,
|
|
0xF8, 0xC9, 0x9A, 0xAB, 0x3C, 0x0D, 0x5E, 0x6F,
|
|
0x41, 0x70, 0x23, 0x12, 0x85, 0xB4, 0xE7, 0xD6,
|
|
0x7A, 0x4B, 0x18, 0x29, 0xBE, 0x8F, 0xDC, 0xED,
|
|
0xC3, 0xF2, 0xA1, 0x90, 0x07, 0x36, 0x65, 0x54,
|
|
0x39, 0x08, 0x5B, 0x6A, 0xFD, 0xCC, 0x9F, 0xAE,
|
|
0x80, 0xB1, 0xE2, 0xD3, 0x44, 0x75, 0x26, 0x17,
|
|
0xFC, 0xCD, 0x9E, 0xAF, 0x38, 0x09, 0x5A, 0x6B,
|
|
0x45, 0x74, 0x27, 0x16, 0x81, 0xB0, 0xE3, 0xD2,
|
|
0xBF, 0x8E, 0xDD, 0xEC, 0x7B, 0x4A, 0x19, 0x28,
|
|
0x06, 0x37, 0x64, 0x55, 0xC2, 0xF3, 0xA0, 0x91,
|
|
0x47, 0x76, 0x25, 0x14, 0x83, 0xB2, 0xE1, 0xD0,
|
|
0xFE, 0xCF, 0x9C, 0xAD, 0x3A, 0x0B, 0x58, 0x69,
|
|
0x04, 0x35, 0x66, 0x57, 0xC0, 0xF1, 0xA2, 0x93,
|
|
0xBD, 0x8C, 0xDF, 0xEE, 0x79, 0x48, 0x1B, 0x2A,
|
|
0xC1, 0xF0, 0xA3, 0x92, 0x05, 0x34, 0x67, 0x56,
|
|
0x78, 0x49, 0x1A, 0x2B, 0xBC, 0x8D, 0xDE, 0xEF,
|
|
0x82, 0xB3, 0xE0, 0xD1, 0x46, 0x77, 0x24, 0x15,
|
|
0x3B, 0x0A, 0x59, 0x68, 0xFF, 0xCE, 0x9D, 0xAC
|
|
};
|
|
#endif
|
|
|
|
/* CRC lookup table algorithm
|
|
#define CRC_BIT_NUM 8u/16u/32u/64u
|
|
#define BITS_IN_BYTE 8u
|
|
uint8_t dataBuff[ARRAY_SIZE] = { 0x32, 0x33, …};
|
|
uint8_t/uint16_t/uint32_t crc_val = 0x0;
|
|
// LSB
|
|
for(int i = 0; i < sizeof(dataBuff); i++)
|
|
{
|
|
crc_val = (crc_val >> BITS_IN_BYTE) ^ crc_lsb_lut[(uint8)(crc_val^dataBuff[i])];
|
|
}
|
|
// MSB
|
|
for(int i = 0; i < sizeof(dataBuff); i++)
|
|
{
|
|
crc_val = (crc_val << BITS_IN_BYTE) ^ crc_msb_lut[(uint8)((crc_val>>8)^dataBuff[i])];
|
|
}
|
|
*/
|
|
|
|
/*****************************************************************************/
|
|
/**
|
|
* @brief CRC8 generator
|
|
*
|
|
* @param buffPtr data buffer pointer.
|
|
* @param dataLen data length
|
|
* @param poly polynomials of crc
|
|
* @param crcVal a pointer to store generated crc value
|
|
*
|
|
* @return SUCCESS
|
|
* FAILURE
|
|
*
|
|
******************************************************************************/
|
|
int crc8_gen(uint8_t *buffPtr, uint32_t dataLen, uint16_t poly, uint8_t *crcVal)
|
|
{
|
|
uint8_t crc = CRC8_INIT;
|
|
const uint8_t *crc_lut = NULL;
|
|
|
|
switch (poly)
|
|
{
|
|
#ifdef __CRC_LSB
|
|
case 0x31:
|
|
crc_lut = crc8_31_lsb_lut;
|
|
break;
|
|
default:
|
|
return FAILURE;
|
|
#else
|
|
case 0x31:
|
|
crc_lut = crc8_31_msb_lut;
|
|
break;
|
|
default:
|
|
return FAILURE;
|
|
#endif
|
|
}
|
|
|
|
for (int i = 0; i < dataLen; i++)
|
|
{
|
|
crc = crc_lut[(uint8_t)(crc ^ buffPtr[i])];
|
|
}
|
|
*crcVal = crc;
|
|
return SUCCESS;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/**
|
|
* @brief CRC16 generator
|
|
*
|
|
* @param buffPtr data buffer pointer.
|
|
* @param dataLen data length
|
|
* @param poly polynomials of crc
|
|
* @param crcVal a pointer to store generated crc value
|
|
*
|
|
* @return SUCCESS
|
|
* FAILURE
|
|
*
|
|
******************************************************************************/
|
|
int crc16_gen(uint8_t *buffPtr, uint32_t dataLen, uint16_t poly, uint16_t *crcVal)
|
|
{
|
|
uint16_t crc = CRC16_INIT;
|
|
const uint16_t *crc_lut = NULL;
|
|
switch (poly)
|
|
{
|
|
#ifdef __CRC_LSB
|
|
case 0x8005:
|
|
crc_lut = crc16_8005_lsb_lut;
|
|
break;
|
|
case 0x1021:
|
|
crc_lut = crc16_1021_lsb_lut;
|
|
break;
|
|
default:
|
|
return FAILURE;
|
|
#else
|
|
case 0x8005:
|
|
crc_lut = crc16_8005_msb_lut;
|
|
break;
|
|
case 0x1021:
|
|
crc_lut = crc16_1021_msb_lut;
|
|
break;
|
|
default:
|
|
return FAILURE;
|
|
#endif
|
|
}
|
|
for (int i = 0; i < dataLen; i++)
|
|
{
|
|
#ifdef __CRC_LSB
|
|
crc = (crc >> 8) ^ crc_lut[(uint8_t)(crc ^ buffPtr[i])];
|
|
#else
|
|
crc = (crc << 8) ^ crc_lut[(uint8_t)((crc >> 8) ^ buffPtr[i])];
|
|
#endif
|
|
}
|
|
*crcVal = crc;
|
|
return SUCCESS;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/**
|
|
* @brief CRC8 compare cheker
|
|
*
|
|
* @param buffPtr data buffer pointer.
|
|
* @param dataLen data length
|
|
* @param crcOffset byte offset of crc stored position.
|
|
* @param poly polynomials of crc
|
|
*
|
|
* @return true
|
|
* false
|
|
*
|
|
******************************************************************************/
|
|
bool crc8_check(uint8_t *buffPtr, uint32_t dataLen, uint32_t crcOffset, uint16_t poly)
|
|
{
|
|
int Status = SUCCESS;
|
|
uint8_t crc_comp;
|
|
uint8_t crc;
|
|
if (dataLen == 0)
|
|
{
|
|
return false;
|
|
}
|
|
crc_comp = (uint8_t)(*(buffPtr + crcOffset));
|
|
Status = crc8_gen(buffPtr, dataLen, poly, &crc);
|
|
if (Status == SUCCESS)
|
|
{
|
|
if (crc == crc_comp)
|
|
{
|
|
return true;
|
|
}
|
|
else
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/**
|
|
* @brief CRC16 compare cheker
|
|
*
|
|
* @param buffPtr data buffer pointer.
|
|
* @param dataLen data length
|
|
* @param crcOffset byte offset of crc stored position.
|
|
* @param poly polynomials of crc
|
|
*
|
|
* @return true
|
|
* fasle
|
|
*
|
|
******************************************************************************/
|
|
bool crc16_check(uint8_t *buffPtr, uint32_t dataLen, uint32_t crcOffset, uint16_t poly)
|
|
{
|
|
int Status = SUCCESS;
|
|
uint16_t crc_comp;
|
|
uint16_t crc;
|
|
if (dataLen == 0)
|
|
{
|
|
return false;
|
|
}
|
|
crc_comp = (uint16_t)(*(buffPtr + crcOffset));
|
|
crc_comp |= (uint16_t)((*(buffPtr + crcOffset + 1)) << 8);
|
|
Status = crc16_gen(buffPtr, dataLen, poly, &crc);
|
|
if (Status == SUCCESS)
|
|
{
|
|
if (crc == crc_comp)
|
|
{
|
|
return true;
|
|
}
|
|
else
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
return false;
|
|
}
|
|
}
|