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| package com.base;
|
| import java.nio.ByteBuffer;
|
| public class Crc16 {
| private static final char[] auchCRCHi = { '\000', 'Á', '', '@', '\001', 'À', '', 'A', '\001', 'À', '', 'A',
| '\000', 'Á', '', '@', '\001', 'À', '', 'A', '\000', 'Á', '', '@', '\000', 'Á', '', '@', '\001', 'À',
| '', 'A', '\001', 'À', '', 'A', '\000', 'Á', '', '@', '\000', 'Á', '', '@', '\001', 'À', '', 'A',
| '\000', 'Á', '', '@', '\001', 'À', '', 'A', '\001', 'À', '', 'A', '\000', 'Á', '', '@', '\001', 'À',
| '', 'A', '\000', 'Á', '', '@', '\000', 'Á', '', '@', '\001', 'À', '', 'A', '\000', 'Á', '', '@',
| '\001', 'À', '', 'A', '\001', 'À', '', 'A', '\000', 'Á', '', '@', '\000', 'Á', '', '@', '\001', 'À',
| '', 'A', '\001', 'À', '', 'A', '\000', 'Á', '', '@', '\001', 'À', '', 'A', '\000', 'Á', '', '@',
| '\000', 'Á', '', '@', '\001', 'À', '', 'A', '\001', 'À', '', 'A', '\000', 'Á', '', '@', '\000', 'Á',
| '', '@', '\001', 'À', '', 'A', '\000', 'Á', '', '@', '\001', 'À', '', 'A', '\001', 'À', '', 'A',
| '\000', 'Á', '', '@', '\000', 'Á', '', '@', '\001', 'À', '', 'A', '\001', 'À', '', 'A', '\000', 'Á',
| '', '@', '\001', 'À', '', 'A', '\000', 'Á', '', '@', '\000', 'Á', '', '@', '\001', 'À', '', 'A',
| '\000', 'Á', '', '@', '\001', 'À', '', 'A', '\001', 'À', '', 'A', '\000', 'Á', '', '@', '\001', 'À',
| '', 'A', '\000', 'Á', '', '@', '\000', 'Á', '', '@', '\001', 'À', '', 'A', '\001', 'À', '', 'A',
| '\000', 'Á', '', '@', '\000', 'Á', '', '@', '\001', 'À', '', 'A', '\000', 'Á', '', '@', '\001', 'À',
| '', 'A', '\001', 'À', '', 'A', '\000', 'Á', '', '@' };
|
| private static final short[] auchCRCLo = { 0, 192, 193, 1, 195, 3, 2, 194, 198, 6, 7, 199, 5, 197, 196, 4, 204, 12,
| 13, 205, 15, 207, 206, 14, 10, 202, 203, 11, 201, 9, 8, 200, 216, 24, 25, 217, 27, 219, 218, 26, 30, 222,
| 223, 31, 221, 29, 28, 220, 20, 212, 213, 21, 215, 23, 22, 214, 210, 18, 19, 211, 17, 209, 208, 16, 240, 48,
| 49, 241, 51, 243, 242, 50, 54, 246, 247, 55, 245, 53, 52, 244, 60, 252, 253, 61, 255, 63, 62, 254, 250, 58,
| 59, 251, 57, 249, 248, 56, 40, 232, 233, 41, 235, 43, 42, 234, 238, 46, 47, 239, 45, 237, 236, 44, 228, 36,
| 37, 229, 39, 231, 230, 38, 34, 226, 227, 35, 225, 33, 32, 224, 160, 96, 97, 161, 99, 163, 162, 98, 102, 166,
| 167, 103, 165, 101, 100, 164, 108, 172, 173, 109, 175, 111, 110, 174, 170, 106, 107, 171, 105, 169, 168,
| 104, 120, 184, 185, 121, 187, 123, 122, 186, 190, 126, 127, 191, 125, 189, 188, 124, 180, 116, 117, 181,
| 119, 183, 182, 118, 114, 178, 179, 115, 177, 113, 112, 176, 80, 144, 145, 81, 147, 83, 82, 146, 150, 86, 87,
| 151, 85, 149, 148, 84, 156, 92, 93, 157, 95, 159, 158, 94, 90, 154, 155, 91, 153, 89, 88, 152, 136, 72, 73,
| 137, 75, 139, 138, 74, 78, 142, 143, 79, 141, 77, 76, 140, 68, 132, 133, 69, 135, 71, 70, 134, 130, 66, 67,
| 131, 65, 129, 128, 64 };
|
| public static short CalCRC16(byte[] puchMsg, int usDataLen) {
| short uchCRCHi = 255;
| short uchCRCLo = 255;
|
| for (int n = 0; n < usDataLen; n++) {
| int uIndex = uchCRCHi ^ (short) (puchMsg[n] & 0xFF);
| uchCRCHi = (short) (uchCRCLo ^ (short) (auchCRCHi[uIndex] & 0xFF));
| uchCRCLo = (short) (auchCRCLo[uIndex] & 0xFF);
| }
|
| return (short) (uchCRCLo | uchCRCHi << 8);
| }
|
| public static short CalCRC16(ByteBuffer bf, int usDataLen) {
| short uchCRCHi = 255;
| short uchCRCLo = 255;
|
| bf.position(0);
| for (int n = 0; n < usDataLen; n++) {
| int uIndex = uchCRCHi ^ (short) (bf.get() & 0xFF);
| uchCRCHi = (short) (uchCRCLo ^ (short) (auchCRCHi[uIndex] & 0xFF));
| uchCRCLo = (short) (auchCRCLo[uIndex] & 0xFF);
| }
|
| return (short) (uchCRCLo | uchCRCHi << 8);
| }
| }
|
| /*
| * Location:
| * C:\Users\LiJun\Desktop\公司各种设备资料\9600显示模块相关文件\后台程序\2018-09-07\BattFBS9600XSP.
| * jar Qualified Name: com.base.Crc16 JD-Core Version: 0.6.2
| */
|
|
