摘要：package test;public class test1 {public static int[] crc(int[] data) { int[] temdata = new int[data.length + 2]; // unsigned char alen = *aStr – 2; //CRC16只计算前两部分 int xda, xdapoly; int i, j, xdabit; xda = 0xFFFF; xdapoly = 0xA001; // (X**16 + X**15 + X**2 + 1) for (i = 0; i < data.lengt... 阅读全文

摘要：java udp 接收数据package udp;import java.io.IOException;import java.net.DatagramPacket;import java.net.DatagramSocket;import java.net.SocketException;public class UDPReceive {public static void main(String[] args){ Integer port = 2345; byte[] buffer = new byte[2048]; try { DatagramSocket datag... 阅读全文