CRC-CNITT的校验是什么校验来的? 字串: 474700101E8D25AC0000000000201025000255F2 校验: CDA8请问CRC-CNITT的校验是什么校验来的?用CRC16校验不出来对应的结果来! 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 to dyzhao889你也是搞GPS的吧,那个是省标的吧,真不知他是什么校验 试一试这个函数public sealed class CRCCCITT { private static ushort[] CCITT_TABLE = { #region CRC数据表 0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50a5, 0x60c6, 0x70e7, 0x8108, 0x9129, 0xa14a, 0xb16b, 0xc18c, 0xd1ad, 0xe1ce, 0xf1ef, 0x1231, 0x0210, 0x3273, 0x2252, 0x52b5, 0x4294, 0x72f7, 0x62d6, 0x9339, 0x8318, 0xb37b, 0xa35a, 0xd3bd, 0xc39c, 0xf3ff, 0xe3de, 0x2462, 0x3443, 0x0420, 0x1401, 0x64e6, 0x74c7, 0x44a4, 0x5485, 0xa56a, 0xb54b, 0x8528, 0x9509, 0xe5ee, 0xf5cf, 0xc5ac, 0xd58d, 0x3653, 0x2672, 0x1611, 0x0630, 0x76d7, 0x66f6, 0x5695, 0x46b4, 0xb75b, 0xa77a, 0x9719, 0x8738, 0xf7df, 0xe7fe, 0xd79d, 0xc7bc, 0x48c4, 0x58e5, 0x6886, 0x78a7, 0x0840, 0x1861, 0x2802, 0x3823, 0xc9cc, 0xd9ed, 0xe98e, 0xf9af, 0x8948, 0x9969, 0xa90a, 0xb92b, 0x5af5, 0x4ad4, 0x7ab7, 0x6a96, 0x1a71, 0x0a50, 0x3a33, 0x2a12, 0xdbfd, 0xcbdc, 0xfbbf, 0xeb9e, 0x9b79, 0x8b58, 0xbb3b, 0xab1a, 0x6ca6, 0x7c87, 0x4ce4, 0x5cc5, 0x2c22, 0x3c03, 0x0c60, 0x1c41, 0xedae, 0xfd8f, 0xcdec, 0xddcd, 0xad2a, 0xbd0b, 0x8d68, 0x9d49, 0x7e97, 0x6eb6, 0x5ed5, 0x4ef4, 0x3e13, 0x2e32, 0x1e51, 0x0e70, 0xff9f, 0xefbe, 0xdfdd, 0xcffc, 0xbf1b, 0xaf3a, 0x9f59, 0x8f78, 0x9188, 0x81a9, 0xb1ca, 0xa1eb, 0xd10c, 0xc12d, 0xf14e, 0xe16f, 0x1080, 0x00a1, 0x30c2, 0x20e3, 0x5004, 0x4025, 0x7046, 0x6067, 0x83b9, 0x9398, 0xa3fb, 0xb3da, 0xc33d, 0xd31c, 0xe37f, 0xf35e, 0x02b1, 0x1290, 0x22f3, 0x32d2, 0x4235, 0x5214, 0x6277, 0x7256, 0xb5ea, 0xa5cb, 0x95a8, 0x8589, 0xf56e, 0xe54f, 0xd52c, 0xc50d, 0x34e2, 0x24c3, 0x14a0, 0x0481, 0x7466, 0x6447, 0x5424, 0x4405, 0xa7db, 0xb7fa, 0x8799, 0x97b8, 0xe75f, 0xf77e, 0xc71d, 0xd73c, 0x26d3, 0x36f2, 0x0691, 0x16b0, 0x6657, 0x7676, 0x4615, 0x5634, 0xd94c, 0xc96d, 0xf90e, 0xe92f, 0x99c8, 0x89e9, 0xb98a, 0xa9ab, 0x5844, 0x4865, 0x7806, 0x6827, 0x18c0, 0x08e1, 0x3882, 0x28a3, 0xcb7d, 0xdb5c, 0xeb3f, 0xfb1e, 0x8bf9, 0x9bd8, 0xabbb, 0xbb9a, 0x4a75, 0x5a54, 0x6a37, 0x7a16, 0x0af1, 0x1ad0, 0x2ab3, 0x3a92, 0xfd2e, 0xed0f, 0xdd6c, 0xcd4d, 0xbdaa, 0xad8b, 0x9de8, 0x8dc9, 0x7c26, 0x6c07, 0x5c64, 0x4c45, 0x3ca2, 0x2c83, 0x1ce0, 0x0cc1, 0xef1f, 0xff3e, 0xcf5d, 0xdf7c, 0xaf9b, 0xbfba, 0x8fd9, 0x9ff8, 0x6e17, 0x7e36, 0x4e55, 0x5e74, 0x2e93, 0x3eb2, 0x0ed1, 0x1ef0 #endregion }; public static ushort CRC(byte[] ABytes) { ushort Result = 0; foreach (byte vByte in ABytes) Result = (ushort)((Result >> 8) ^ CCITT_TABLE[(Result ^ vByte) & 0xff]); return Result; } }const CCITT_TABLE: array[0..256 - 1] of Word = ( $0000, $1021, $2042, $3063, $4084, $50A5, $60C6, $70E7, $8108, $9129, $A14A, $B16B, $C18C, $D1AD, $E1CE, $F1EF, $1231, $0210, $3273, $2252, $52B5, $4294, $72F7, $62D6, $9339, $8318, $B37B, $A35A, $D3BD, $C39C, $F3FF, $E3DE, $2462, $3443, $0420, $1401, $64E6, $74C7, $44A4, $5485, $A56A, $B54B, $8528, $9509, $E5EE, $F5CF, $C5AC, $D58D, $3653, $2672, $1611, $0630, $76D7, $66F6, $5695, $46B4, $B75B, $A77A, $9719, $8738, $F7DF, $E7FE, $D79D, $C7BC, $48C4, $58E5, $6886, $78A7, $0840, $1861, $2802, $3823, $C9CC, $D9ED, $E98E, $F9AF, $8948, $9969, $A90A, $B92B, $5AF5, $4AD4, $7AB7, $6A96, $1A71, $0A50, $3A33, $2A12, $DBFD, $CBDC, $FBBF, $EB9E, $9B79, $8B58, $BB3B, $AB1A, $6CA6, $7C87, $4CE4, $5CC5, $2C22, $3C03, $0C60, $1C41, $EDAE, $FD8F, $CDEC, $DDCD, $AD2A, $BD0B, $8D68, $9D49, $7E97, $6EB6, $5ED5, $4EF4, $3E13, $2E32, $1E51, $0E70, $FF9F, $EFBE, $DFDD, $CFFC, $BF1B, $AF3A, $9F59, $8F78, $9188, $81A9, $B1CA, $A1EB, $D10C, $C12D, $F14E, $E16F, $1080, $00A1, $30C2, $20E3, $5004, $4025, $7046, $6067, $83B9, $9398, $A3FB, $B3DA, $C33D, $D31C, $E37F, $F35E, $02B1, $1290, $22F3, $32D2, $4235, $5214, $6277, $7256, $B5EA, $A5CB, $95A8, $8589, $F56E, $E54F, $D52C, $C50D, $34E2, $24C3, $14A0, $0481, $7466, $6447, $5424, $4405, $A7DB, $B7FA, $8799, $97B8, $E75F, $F77E, $C71D, $D73C, $26D3, $36F2, $0691, $16B0, $6657, $7676, $4615, $5634, $D94C, $C96D, $F90E, $E92F, $99C8, $89E9, $B98A, $A9AB, $5844, $4865, $7806, $6827, $18C0, $08E1, $3882, $28A3, $CB7D, $DB5C, $EB3F, $FB1E, $8BF9, $9BD8, $ABBB, $BB9A, $4A75, $5A54, $6A37, $7A16, $0AF1, $1AD0, $2AB3, $3A92, $FD2E, $ED0F, $DD6C, $CD4D, $BDAA, $AD8B, $9DE8, $8DC9, $7C26, $6C07, $5C64, $4C45, $3CA2, $2C83, $1CE0, $0CC1, $EF1F, $FF3E, $CF5D, $DF7C, $AF9B, $BFBA, $8FD9, $9FF8, $6E17, $7E36, $4E55, $5E74, $2E93, $3EB2, $0ED1, $1EF0 );function CaleCRC16(AData: Pchar; iLen: Integer): Word;var i: Integer;begin Result := 0; for i := 0 to iLen - 1 do begin Result := ((Result shr 8) xor CCITT_TABLE[(Result xor Ord(AData^)) and $FF]); Inc(AData); end;end; 面试的问题,探讨下 如何遍历数组并写到文件 求教delphi的两个问题 数据传输问题 急等着用,请各位高手帮帮忙!!在这里先谢谢了!! 在dbgrid中动态生成column的问题 和设计期间一样,详细解释 各位大虾,如何在自定义组件中,OVERRIDE ONEXIT事件啊? 调用外部程序的问题 关于取整和取余数。 再次请教有关Delphi的3个比较有挑战性的问题,高手请进! dbgrid排序问题 indy的tcpclient和tcpserver控件的问题
你也是搞GPS的吧,
那个是省标的吧,
真不知他是什么校验
public sealed class CRCCCITT
{
private static ushort[] CCITT_TABLE =
{
#region CRC数据表
0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50a5, 0x60c6, 0x70e7,
0x8108, 0x9129, 0xa14a, 0xb16b, 0xc18c, 0xd1ad, 0xe1ce, 0xf1ef,
0x1231, 0x0210, 0x3273, 0x2252, 0x52b5, 0x4294, 0x72f7, 0x62d6,
0x9339, 0x8318, 0xb37b, 0xa35a, 0xd3bd, 0xc39c, 0xf3ff, 0xe3de,
0x2462, 0x3443, 0x0420, 0x1401, 0x64e6, 0x74c7, 0x44a4, 0x5485,
0xa56a, 0xb54b, 0x8528, 0x9509, 0xe5ee, 0xf5cf, 0xc5ac, 0xd58d,
0x3653, 0x2672, 0x1611, 0x0630, 0x76d7, 0x66f6, 0x5695, 0x46b4,
0xb75b, 0xa77a, 0x9719, 0x8738, 0xf7df, 0xe7fe, 0xd79d, 0xc7bc,
0x48c4, 0x58e5, 0x6886, 0x78a7, 0x0840, 0x1861, 0x2802, 0x3823,
0xc9cc, 0xd9ed, 0xe98e, 0xf9af, 0x8948, 0x9969, 0xa90a, 0xb92b,
0x5af5, 0x4ad4, 0x7ab7, 0x6a96, 0x1a71, 0x0a50, 0x3a33, 0x2a12,
0xdbfd, 0xcbdc, 0xfbbf, 0xeb9e, 0x9b79, 0x8b58, 0xbb3b, 0xab1a,
0x6ca6, 0x7c87, 0x4ce4, 0x5cc5, 0x2c22, 0x3c03, 0x0c60, 0x1c41,
0xedae, 0xfd8f, 0xcdec, 0xddcd, 0xad2a, 0xbd0b, 0x8d68, 0x9d49,
0x7e97, 0x6eb6, 0x5ed5, 0x4ef4, 0x3e13, 0x2e32, 0x1e51, 0x0e70,
0xff9f, 0xefbe, 0xdfdd, 0xcffc, 0xbf1b, 0xaf3a, 0x9f59, 0x8f78,
0x9188, 0x81a9, 0xb1ca, 0xa1eb, 0xd10c, 0xc12d, 0xf14e, 0xe16f,
0x1080, 0x00a1, 0x30c2, 0x20e3, 0x5004, 0x4025, 0x7046, 0x6067,
0x83b9, 0x9398, 0xa3fb, 0xb3da, 0xc33d, 0xd31c, 0xe37f, 0xf35e,
0x02b1, 0x1290, 0x22f3, 0x32d2, 0x4235, 0x5214, 0x6277, 0x7256,
0xb5ea, 0xa5cb, 0x95a8, 0x8589, 0xf56e, 0xe54f, 0xd52c, 0xc50d,
0x34e2, 0x24c3, 0x14a0, 0x0481, 0x7466, 0x6447, 0x5424, 0x4405,
0xa7db, 0xb7fa, 0x8799, 0x97b8, 0xe75f, 0xf77e, 0xc71d, 0xd73c,
0x26d3, 0x36f2, 0x0691, 0x16b0, 0x6657, 0x7676, 0x4615, 0x5634,
0xd94c, 0xc96d, 0xf90e, 0xe92f, 0x99c8, 0x89e9, 0xb98a, 0xa9ab,
0x5844, 0x4865, 0x7806, 0x6827, 0x18c0, 0x08e1, 0x3882, 0x28a3,
0xcb7d, 0xdb5c, 0xeb3f, 0xfb1e, 0x8bf9, 0x9bd8, 0xabbb, 0xbb9a,
0x4a75, 0x5a54, 0x6a37, 0x7a16, 0x0af1, 0x1ad0, 0x2ab3, 0x3a92,
0xfd2e, 0xed0f, 0xdd6c, 0xcd4d, 0xbdaa, 0xad8b, 0x9de8, 0x8dc9,
0x7c26, 0x6c07, 0x5c64, 0x4c45, 0x3ca2, 0x2c83, 0x1ce0, 0x0cc1,
0xef1f, 0xff3e, 0xcf5d, 0xdf7c, 0xaf9b, 0xbfba, 0x8fd9, 0x9ff8,
0x6e17, 0x7e36, 0x4e55, 0x5e74, 0x2e93, 0x3eb2, 0x0ed1, 0x1ef0
#endregion
};
public static ushort CRC(byte[] ABytes)
{
ushort Result = 0;
foreach (byte vByte in ABytes)
Result = (ushort)((Result >> 8) ^ CCITT_TABLE[(Result ^ vByte) & 0xff]);
return Result;
}
}
const
CCITT_TABLE: array[0..256 - 1] of Word = (
$0000, $1021, $2042, $3063, $4084, $50A5, $60C6, $70E7,
$8108, $9129, $A14A, $B16B, $C18C, $D1AD, $E1CE, $F1EF,
$1231, $0210, $3273, $2252, $52B5, $4294, $72F7, $62D6,
$9339, $8318, $B37B, $A35A, $D3BD, $C39C, $F3FF, $E3DE,
$2462, $3443, $0420, $1401, $64E6, $74C7, $44A4, $5485,
$A56A, $B54B, $8528, $9509, $E5EE, $F5CF, $C5AC, $D58D,
$3653, $2672, $1611, $0630, $76D7, $66F6, $5695, $46B4,
$B75B, $A77A, $9719, $8738, $F7DF, $E7FE, $D79D, $C7BC,
$48C4, $58E5, $6886, $78A7, $0840, $1861, $2802, $3823,
$C9CC, $D9ED, $E98E, $F9AF, $8948, $9969, $A90A, $B92B,
$5AF5, $4AD4, $7AB7, $6A96, $1A71, $0A50, $3A33, $2A12,
$DBFD, $CBDC, $FBBF, $EB9E, $9B79, $8B58, $BB3B, $AB1A,
$6CA6, $7C87, $4CE4, $5CC5, $2C22, $3C03, $0C60, $1C41,
$EDAE, $FD8F, $CDEC, $DDCD, $AD2A, $BD0B, $8D68, $9D49,
$7E97, $6EB6, $5ED5, $4EF4, $3E13, $2E32, $1E51, $0E70,
$FF9F, $EFBE, $DFDD, $CFFC, $BF1B, $AF3A, $9F59, $8F78,
$9188, $81A9, $B1CA, $A1EB, $D10C, $C12D, $F14E, $E16F,
$1080, $00A1, $30C2, $20E3, $5004, $4025, $7046, $6067,
$83B9, $9398, $A3FB, $B3DA, $C33D, $D31C, $E37F, $F35E,
$02B1, $1290, $22F3, $32D2, $4235, $5214, $6277, $7256,
$B5EA, $A5CB, $95A8, $8589, $F56E, $E54F, $D52C, $C50D,
$34E2, $24C3, $14A0, $0481, $7466, $6447, $5424, $4405,
$A7DB, $B7FA, $8799, $97B8, $E75F, $F77E, $C71D, $D73C,
$26D3, $36F2, $0691, $16B0, $6657, $7676, $4615, $5634,
$D94C, $C96D, $F90E, $E92F, $99C8, $89E9, $B98A, $A9AB,
$5844, $4865, $7806, $6827, $18C0, $08E1, $3882, $28A3,
$CB7D, $DB5C, $EB3F, $FB1E, $8BF9, $9BD8, $ABBB, $BB9A,
$4A75, $5A54, $6A37, $7A16, $0AF1, $1AD0, $2AB3, $3A92,
$FD2E, $ED0F, $DD6C, $CD4D, $BDAA, $AD8B, $9DE8, $8DC9,
$7C26, $6C07, $5C64, $4C45, $3CA2, $2C83, $1CE0, $0CC1,
$EF1F, $FF3E, $CF5D, $DF7C, $AF9B, $BFBA, $8FD9, $9FF8,
$6E17, $7E36, $4E55, $5E74, $2E93, $3EB2, $0ED1, $1EF0
);function CaleCRC16(AData: Pchar; iLen: Integer): Word;
var
i: Integer;
begin
Result := 0; for i := 0 to iLen - 1 do
begin
Result := ((Result shr 8) xor CCITT_TABLE[(Result xor Ord(AData^)) and $FF]);
Inc(AData);
end;end;