Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

public class Main {
    public static int get_crc16(byte[] bufData, int buflen, byte[] pcrc) {
        int ret = 0;
        int CRC = 0x0000ffff;
        int POLYNOMIAL = 0x0000a001;
        int i, j;

        if (buflen == 0) {
            return ret;
        }
        for (i = 0; i < buflen; i++) {
            CRC ^= ((int) bufData[i] & 0x000000ff);
            for (j = 0; j < 8; j++) {
                if ((CRC & 0x00000001) != 0) {
                    CRC >>= 1;
                    CRC ^= POLYNOMIAL;
                } else {
                    CRC >>= 1;
                }
            }
            // System.out.println(Integer.toHexString(CRC));
        }

        System.out.println(Integer.toHexString(CRC));
        pcrc[0] = (byte) (CRC & 0x00ff);
        pcrc[1] = (byte) (CRC >> 8);

        return ret;
    }
}