unity Android 串口通讯完整项目实例

最新推荐文章于 2025-06-29 11:44:35 发布

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最新推荐文章于 2025-06-29 11:44:35 发布

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CC 4.0 BY-SA版权

分类专栏： Unity3D

本文链接：https://blog.youkuaiyun.com/qq1149375949/article/details/79101153

这是一个关于Unity Android应用程序实现串口通讯的项目实例，包括打开ttyS1和ttyS3端口，数据发送与接收，以及串口重置等功能。通过创建ServerSocket进行数据交换，使用`ComPort`类进行串口操作，并与Unity交互。

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package com.unity.sp;
 
 
  
  
import java.io.BufferedReader;
import java.io.DataOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.ServerSocket;
import java.net.Socket;
 
import com.unity3d.player.UnityPlayer;
import com.unity3d.player.UnityPlayerActivity;
  
 
  
 
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.os.PowerManager;
import android_serialport_api.ComPort;
 
 
 
//import android.serialport.sample.R;
  
 
 
public class MyserialActivity extends UnityPlayerActivity {
        public static ComPort mComPort;
        public static ComPort mComPort3;
         
  
         private static final int Port = 5281;
    @Override
    public void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
            Intent intent = new Intent();  
                 intent.setAction("android.intent.action.HIDE_NAVIGATION_BAR");  
                 MyserialActivity.this.sendBroadcast(intent); 
                   
    }
     
     
    public void OpenttyS1()
        {  
            if(mComPort == null)
            {
                    mComPort = new ComPort();
            }
                 
                mComPort.Start("ttyS1");
        }
     
     
    public void OpenttyS3()
           {  
               if(mComPort3 == null)
               {
                       mComPort3 = new ComPort();
               }
                    
               mComPort3.Start("ttyS3");
           }
     
     
     
    public static String bytes2HexString(byte[] b, int len) {
                  String ret = "";
                  for (int i = 0; i < len; i++) {
                   String hex = Integer.toHexString(b[ i ] & 0xFF);
                   if (hex.length() == 1) {
                    hex = '0' + hex;
                   }
                   ret += hex.toUpperCase();
                  }
                  return ret;
                }
         
        public static byte uniteBytes(byte src0, byte src1) { 
                byte _b0 = Byte.decode("0x" + new String(new byte[]{src0})).byteValue(); 
                _b0 = (byte)(_b0 << 4); 
                byte _b1 = Byte.decode("0x" + new String(new byte[]{src1})).byteValue(); 
                byte ret = (byte)(_b0 ^ _b1); 
                return ret; 
                } 
         
        public   void ttyS1Send(byte[] data,int length)
        {        
                mComPort.SendData(data, length);
        }
         
        public   void ttyS3Send(byte[] data,int length)
        {         
  
                mComPort3.SendData(data, length);
        }
         
        public void RestartSystem()
        {
                new ServerThread().start();
        }
                        class ServerThread extends Thread {
                                    ServerSocket serversocket = null;
                                    @Override
                                    public void run() 
                                    {
                                            super.run();
                                        try {
                                            serversocket = new ServerSocket(Port);
                                            Socket socket = serversocket.accept();
                                            while (true) {
                                 
                                 
                                             //   OutputStream ou = socket.getOutputStream();
                                                DataOutputStream wirter = new DataOutputStream(socket.getOutputStream());
                                                BufferedReader buffer = new BufferedReader(
                                                        new InputStreamReader(socket.getInputStream()));
                                 
                                 
                                                wirter.writeBytes("reboot\n");