FTE-denshi / Mbed 2 deprecated FTE-06

東北大学学友会準加盟団体 From The Earth の高高度ロケットFTE-06（通称：海豚）にて使用したソフトウェアです．ご自由にお使いください．このプログラムによって生じた損害について当団体は一切責任を負いません．また，各モジュールのライブラリは当団体が作成したものではないので再配布は禁止します．

Dependencies:   mbed FATFileSystem

Fork of FTE-06 by Tetsushi Amano

SDFileSystem/SDCRC.cpp@57:d78497a079cf, 2017-08-25 (annotated)

Committer:
mizuki_akaike
Date:
Fri Aug 25 03:42:30 2017 +0000
Revision:
57:d78497a079cf
Parent:
22:b2e90f18ea55 
??????

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mizuki_akaike 22:b2e90f18ea55 1 /* SD/MMC File System Library
mizuki_akaike 22:b2e90f18ea55 2 * Copyright (c) 2016 Neil Thiessen
mizuki_akaike 22:b2e90f18ea55 3 *
mizuki_akaike 22:b2e90f18ea55 4 * Licensed under the Apache License, Version 2.0 (the "License");
mizuki_akaike 22:b2e90f18ea55 5 * you may not use this file except in compliance with the License.
mizuki_akaike 22:b2e90f18ea55 6 * You may obtain a copy of the License at
mizuki_akaike 22:b2e90f18ea55 7 *
mizuki_akaike 22:b2e90f18ea55 8 * http://www.apache.org/licenses/LICENSE-2.0
mizuki_akaike 22:b2e90f18ea55 9 *
mizuki_akaike 22:b2e90f18ea55 10 * Unless required by applicable law or agreed to in writing, software
mizuki_akaike 22:b2e90f18ea55 11 * distributed under the License is distributed on an "AS IS" BASIS,
mizuki_akaike 22:b2e90f18ea55 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
mizuki_akaike 22:b2e90f18ea55 13 * See the License for the specific language governing permissions and
mizuki_akaike 22:b2e90f18ea55 14 * limitations under the License.
mizuki_akaike 22:b2e90f18ea55 15 */
mizuki_akaike 22:b2e90f18ea55 16
mizuki_akaike 22:b2e90f18ea55 17 #include "SDCRC.h"
mizuki_akaike 22:b2e90f18ea55 18
mizuki_akaike 22:b2e90f18ea55 19 namespace SDCRC
mizuki_akaike 22:b2e90f18ea55 20 {
mizuki_akaike 22:b2e90f18ea55 21
mizuki_akaike 22:b2e90f18ea55 22 namespace
mizuki_akaike 22:b2e90f18ea55 23 {
mizuki_akaike 22:b2e90f18ea55 24 const char m_Crc7Table[] = {
mizuki_akaike 22:b2e90f18ea55 25 0x00, 0x09, 0x12, 0x1B, 0x24, 0x2D, 0x36, 0x3F,
mizuki_akaike 22:b2e90f18ea55 26 0x48, 0x41, 0x5A, 0x53, 0x6C, 0x65, 0x7E, 0x77,
mizuki_akaike 22:b2e90f18ea55 27 0x19, 0x10, 0x0B, 0x02, 0x3D, 0x34, 0x2F, 0x26,
mizuki_akaike 22:b2e90f18ea55 28 0x51, 0x58, 0x43, 0x4A, 0x75, 0x7C, 0x67, 0x6E,
mizuki_akaike 22:b2e90f18ea55 29 0x32, 0x3B, 0x20, 0x29, 0x16, 0x1F, 0x04, 0x0D,
mizuki_akaike 22:b2e90f18ea55 30 0x7A, 0x73, 0x68, 0x61, 0x5E, 0x57, 0x4C, 0x45,
mizuki_akaike 22:b2e90f18ea55 31 0x2B, 0x22, 0x39, 0x30, 0x0F, 0x06, 0x1D, 0x14,
mizuki_akaike 22:b2e90f18ea55 32 0x63, 0x6A, 0x71, 0x78, 0x47, 0x4E, 0x55, 0x5C,
mizuki_akaike 22:b2e90f18ea55 33 0x64, 0x6D, 0x76, 0x7F, 0x40, 0x49, 0x52, 0x5B,
mizuki_akaike 22:b2e90f18ea55 34 0x2C, 0x25, 0x3E, 0x37, 0x08, 0x01, 0x1A, 0x13,
mizuki_akaike 22:b2e90f18ea55 35 0x7D, 0x74, 0x6F, 0x66, 0x59, 0x50, 0x4B, 0x42,
mizuki_akaike 22:b2e90f18ea55 36 0x35, 0x3C, 0x27, 0x2E, 0x11, 0x18, 0x03, 0x0A,
mizuki_akaike 22:b2e90f18ea55 37 0x56, 0x5F, 0x44, 0x4D, 0x72, 0x7B, 0x60, 0x69,
mizuki_akaike 22:b2e90f18ea55 38 0x1E, 0x17, 0x0C, 0x05, 0x3A, 0x33, 0x28, 0x21,
mizuki_akaike 22:b2e90f18ea55 39 0x4F, 0x46, 0x5D, 0x54, 0x6B, 0x62, 0x79, 0x70,
mizuki_akaike 22:b2e90f18ea55 40 0x07, 0x0E, 0x15, 0x1C, 0x23, 0x2A, 0x31, 0x38,
mizuki_akaike 22:b2e90f18ea55 41 0x41, 0x48, 0x53, 0x5A, 0x65, 0x6C, 0x77, 0x7E,
mizuki_akaike 22:b2e90f18ea55 42 0x09, 0x00, 0x1B, 0x12, 0x2D, 0x24, 0x3F, 0x36,
mizuki_akaike 22:b2e90f18ea55 43 0x58, 0x51, 0x4A, 0x43, 0x7C, 0x75, 0x6E, 0x67,
mizuki_akaike 22:b2e90f18ea55 44 0x10, 0x19, 0x02, 0x0B, 0x34, 0x3D, 0x26, 0x2F,
mizuki_akaike 22:b2e90f18ea55 45 0x73, 0x7A, 0x61, 0x68, 0x57, 0x5E, 0x45, 0x4C,
mizuki_akaike 22:b2e90f18ea55 46 0x3B, 0x32, 0x29, 0x20, 0x1F, 0x16, 0x0D, 0x04,
mizuki_akaike 22:b2e90f18ea55 47 0x6A, 0x63, 0x78, 0x71, 0x4E, 0x47, 0x5C, 0x55,
mizuki_akaike 22:b2e90f18ea55 48 0x22, 0x2B, 0x30, 0x39, 0x06, 0x0F, 0x14, 0x1D,
mizuki_akaike 22:b2e90f18ea55 49 0x25, 0x2C, 0x37, 0x3E, 0x01, 0x08, 0x13, 0x1A,
mizuki_akaike 22:b2e90f18ea55 50 0x6D, 0x64, 0x7F, 0x76, 0x49, 0x40, 0x5B, 0x52,
mizuki_akaike 22:b2e90f18ea55 51 0x3C, 0x35, 0x2E, 0x27, 0x18, 0x11, 0x0A, 0x03,
mizuki_akaike 22:b2e90f18ea55 52 0x74, 0x7D, 0x66, 0x6F, 0x50, 0x59, 0x42, 0x4B,
mizuki_akaike 22:b2e90f18ea55 53 0x17, 0x1E, 0x05, 0x0C, 0x33, 0x3A, 0x21, 0x28,
mizuki_akaike 22:b2e90f18ea55 54 0x5F, 0x56, 0x4D, 0x44, 0x7B, 0x72, 0x69, 0x60,
mizuki_akaike 22:b2e90f18ea55 55 0x0E, 0x07, 0x1C, 0x15, 0x2A, 0x23, 0x38, 0x31,
mizuki_akaike 22:b2e90f18ea55 56 0x46, 0x4F, 0x54, 0x5D, 0x62, 0x6B, 0x70, 0x79
mizuki_akaike 22:b2e90f18ea55 57 };
mizuki_akaike 22:b2e90f18ea55 58
mizuki_akaike 22:b2e90f18ea55 59 const unsigned short m_Crc16Table[256] = {
mizuki_akaike 22:b2e90f18ea55 60 0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50A5, 0x60C6, 0x70E7,
mizuki_akaike 22:b2e90f18ea55 61 0x8108, 0x9129, 0xA14A, 0xB16B, 0xC18C, 0xD1AD, 0xE1CE, 0xF1EF,
mizuki_akaike 22:b2e90f18ea55 62 0x1231, 0x0210, 0x3273, 0x2252, 0x52B5, 0x4294, 0x72F7, 0x62D6,
mizuki_akaike 22:b2e90f18ea55 63 0x9339, 0x8318, 0xB37B, 0xA35A, 0xD3BD, 0xC39C, 0xF3FF, 0xE3DE,
mizuki_akaike 22:b2e90f18ea55 64 0x2462, 0x3443, 0x0420, 0x1401, 0x64E6, 0x74C7, 0x44A4, 0x5485,
mizuki_akaike 22:b2e90f18ea55 65 0xA56A, 0xB54B, 0x8528, 0x9509, 0xE5EE, 0xF5CF, 0xC5AC, 0xD58D,
mizuki_akaike 22:b2e90f18ea55 66 0x3653, 0x2672, 0x1611, 0x0630, 0x76D7, 0x66F6, 0x5695, 0x46B4,
mizuki_akaike 22:b2e90f18ea55 67 0xB75B, 0xA77A, 0x9719, 0x8738, 0xF7DF, 0xE7FE, 0xD79D, 0xC7BC,
mizuki_akaike 22:b2e90f18ea55 68 0x48C4, 0x58E5, 0x6886, 0x78A7, 0x0840, 0x1861, 0x2802, 0x3823,
mizuki_akaike 22:b2e90f18ea55 69 0xC9CC, 0xD9ED, 0xE98E, 0xF9AF, 0x8948, 0x9969, 0xA90A, 0xB92B,
mizuki_akaike 22:b2e90f18ea55 70 0x5AF5, 0x4AD4, 0x7AB7, 0x6A96, 0x1A71, 0x0A50, 0x3A33, 0x2A12,
mizuki_akaike 22:b2e90f18ea55 71 0xDBFD, 0xCBDC, 0xFBBF, 0xEB9E, 0x9B79, 0x8B58, 0xBB3B, 0xAB1A,
mizuki_akaike 22:b2e90f18ea55 72 0x6CA6, 0x7C87, 0x4CE4, 0x5CC5, 0x2C22, 0x3C03, 0x0C60, 0x1C41,
mizuki_akaike 22:b2e90f18ea55 73 0xEDAE, 0xFD8F, 0xCDEC, 0xDDCD, 0xAD2A, 0xBD0B, 0x8D68, 0x9D49,
mizuki_akaike 22:b2e90f18ea55 74 0x7E97, 0x6EB6, 0x5ED5, 0x4EF4, 0x3E13, 0x2E32, 0x1E51, 0x0E70,
mizuki_akaike 22:b2e90f18ea55 75 0xFF9F, 0xEFBE, 0xDFDD, 0xCFFC, 0xBF1B, 0xAF3A, 0x9F59, 0x8F78,
mizuki_akaike 22:b2e90f18ea55 76 0x9188, 0x81A9, 0xB1CA, 0xA1EB, 0xD10C, 0xC12D, 0xF14E, 0xE16F,
mizuki_akaike 22:b2e90f18ea55 77 0x1080, 0x00A1, 0x30C2, 0x20E3, 0x5004, 0x4025, 0x7046, 0x6067,
mizuki_akaike 22:b2e90f18ea55 78 0x83B9, 0x9398, 0xA3FB, 0xB3DA, 0xC33D, 0xD31C, 0xE37F, 0xF35E,
mizuki_akaike 22:b2e90f18ea55 79 0x02B1, 0x1290, 0x22F3, 0x32D2, 0x4235, 0x5214, 0x6277, 0x7256,
mizuki_akaike 22:b2e90f18ea55 80 0xB5EA, 0xA5CB, 0x95A8, 0x8589, 0xF56E, 0xE54F, 0xD52C, 0xC50D,
mizuki_akaike 22:b2e90f18ea55 81 0x34E2, 0x24C3, 0x14A0, 0x0481, 0x7466, 0x6447, 0x5424, 0x4405,
mizuki_akaike 22:b2e90f18ea55 82 0xA7DB, 0xB7FA, 0x8799, 0x97B8, 0xE75F, 0xF77E, 0xC71D, 0xD73C,
mizuki_akaike 22:b2e90f18ea55 83 0x26D3, 0x36F2, 0x0691, 0x16B0, 0x6657, 0x7676, 0x4615, 0x5634,
mizuki_akaike 22:b2e90f18ea55 84 0xD94C, 0xC96D, 0xF90E, 0xE92F, 0x99C8, 0x89E9, 0xB98A, 0xA9AB,
mizuki_akaike 22:b2e90f18ea55 85 0x5844, 0x4865, 0x7806, 0x6827, 0x18C0, 0x08E1, 0x3882, 0x28A3,
mizuki_akaike 22:b2e90f18ea55 86 0xCB7D, 0xDB5C, 0xEB3F, 0xFB1E, 0x8BF9, 0x9BD8, 0xABBB, 0xBB9A,
mizuki_akaike 22:b2e90f18ea55 87 0x4A75, 0x5A54, 0x6A37, 0x7A16, 0x0AF1, 0x1AD0, 0x2AB3, 0x3A92,
mizuki_akaike 22:b2e90f18ea55 88 0xFD2E, 0xED0F, 0xDD6C, 0xCD4D, 0xBDAA, 0xAD8B, 0x9DE8, 0x8DC9,
mizuki_akaike 22:b2e90f18ea55 89 0x7C26, 0x6C07, 0x5C64, 0x4C45, 0x3CA2, 0x2C83, 0x1CE0, 0x0CC1,
mizuki_akaike 22:b2e90f18ea55 90 0xEF1F, 0xFF3E, 0xCF5D, 0xDF7C, 0xAF9B, 0xBFBA, 0x8FD9, 0x9FF8,
mizuki_akaike 22:b2e90f18ea55 91 0x6E17, 0x7E36, 0x4E55, 0x5E74, 0x2E93, 0x3EB2, 0x0ED1, 0x1EF0
mizuki_akaike 22:b2e90f18ea55 92 };
mizuki_akaike 22:b2e90f18ea55 93 }
mizuki_akaike 22:b2e90f18ea55 94
mizuki_akaike 22:b2e90f18ea55 95 char crc7(const char* data, int length)
mizuki_akaike 22:b2e90f18ea55 96 {
mizuki_akaike 22:b2e90f18ea55 97 //Calculate the CRC7 checksum for the specified data block
mizuki_akaike 22:b2e90f18ea55 98 char crc = 0;
mizuki_akaike 22:b2e90f18ea55 99 for (int i = 0; i < length; i++) {
mizuki_akaike 22:b2e90f18ea55 100 crc = m_Crc7Table[(crc << 1) ^ data[i]];
mizuki_akaike 22:b2e90f18ea55 101 }
mizuki_akaike 22:b2e90f18ea55 102
mizuki_akaike 22:b2e90f18ea55 103 //Return the calculated checksum
mizuki_akaike 22:b2e90f18ea55 104 return crc;
mizuki_akaike 22:b2e90f18ea55 105 }
mizuki_akaike 22:b2e90f18ea55 106
mizuki_akaike 22:b2e90f18ea55 107 unsigned short crc16(const char* data, int length)
mizuki_akaike 22:b2e90f18ea55 108 {
mizuki_akaike 22:b2e90f18ea55 109 //Calculate the CRC16 checksum for the specified data block
mizuki_akaike 22:b2e90f18ea55 110 unsigned short crc = 0;
mizuki_akaike 22:b2e90f18ea55 111 for (int i = 0; i < length; i++) {
mizuki_akaike 22:b2e90f18ea55 112 crc = (crc << 8) ^ m_Crc16Table[((crc >> 8) ^ data[i]) & 0x00FF];
mizuki_akaike 22:b2e90f18ea55 113 }
mizuki_akaike 22:b2e90f18ea55 114
mizuki_akaike 22:b2e90f18ea55 115 //Return the calculated checksum
mizuki_akaike 22:b2e90f18ea55 116 return crc;
mizuki_akaike 22:b2e90f18ea55 117 }
mizuki_akaike 22:b2e90f18ea55 118
mizuki_akaike 22:b2e90f18ea55 119 }