Unity Modbus Tcp 通讯协议

Posted 2023-03-28 Art@sir

unity Modbus Tcp/IP 通讯协议

提示：unity通过Modbus Tcp协议进行工控软件的交互
前段时间自己有个需求需要unity通过Modbus协议去读取数据，然后在网上找了很多博客实现方法很多，但是Modbus依赖的DLL文件再CSDN很多前辈都在收费搞得很是头大，进过几番周折才搞到Nmodbus4.dll这个程序集，为乐方便后来者直接给你们免费挂上，坚决杜绝那种有点东西就乱收费的现象。

---

文章目录

• unity Modbus Tcp/IP 通讯协议
• 一、NModbus4.DLL下载链接
• 二、讲dll导入Unity中
• • 1.引入库 放置Assets下创建Plugins文件夹下
  • 2.脚本中引用 Modbus.Device;

---

---

废话不多说，直接上连接

一、NModbus4.DLL下载链接

链接：https://pan.baidu.com/s/1sRUmpzfzYlbHERdE8VW-Lg?pwd=zll8
提取码：zll8

二、讲dll导入Unity中

1.引入库 放置Assets下创建Plugins文件夹下

2.脚本中引用 Modbus.Device;

实现代码如下：

代码如下（示例）：

using Modbus.Device;
using System;
using System.Collections;
using System.Collections.Generic;
using System.Net;
using System.Net.Sockets;
using System.Text;
using System.Threading;
using UnityEngine;
using UnityEngine.UI;
/// <summary>
/// Modbus Tcp/IP
/// </summary>
public class Concent_ : MonoBehaviour

    public ModbusMaster modbusIpMaster;
    public TcpClient tcpClient;
    IPAddress Address = new IPAddress(new byte[]  127, 0, 0, 1 ); 
    public int Port = 502;
    public bool Conen = false;
    public bool Reda_White;
    private ushort[] Udata = new ushort[] 0x03;
    private ushort star = 1;
    Thread mythread;
    public bool isconect = false;


    public Button Connect_Bt;
    public Button Read_Bt;
    public InputField Ip_;
    public InputField Port_;
    public Text Sta_;
    public Text Data_;
    // Start is called before the first frame update
    void Start()
    
        Connect_Bt.onClick.AddListener(() =>
        
            if (Ip_.textComponent.text=="")
            
                Debug.Log(Ip_.textComponent.text + "     " + Port_.textComponent.text);
            
            OpenConnect_(Ip_.textComponent.text, int.Parse(Port_.textComponent.text));
        );
        Read_Bt.onClick.AddListener(()=> 
            Data_.text = null;
            ushort[] AoData = modbusIpMaster.ReadHoldingRegisters(0x00, 0, 0x14);
            //string str = AoData.ToString();
            //Debug.Log(AoData.Length);
            foreach (var item in AoData)
            
                //Debug.Log();
                Data_.text += "数据:" + item;
            
        );
    


    public void OpenConnect_(string ip,int port)
    
        
        if (Connect(ip, port))
        
            Debug.Log("连接成功");
            Sta_.text = "连接成功";
            Sta_.color = Color.green;
            Read_Bt.interactable = true;
        
        else
        
            Debug.Log("连接失败");
            Sta_.text = "连接失败";
            Sta_.color = Color.red;
        
    
    public bool Connect(string ip,int port)
    
        try
        
            tcpClient = new TcpClient(ip, port);

            tcpClient.SendTimeout = 1;
            modbusIpMaster = ModbusIpMaster.CreateIp(tcpClient);

            mythread = new Thread(WriteMessageFromClient);

            mythread.Start();
            Conen = true;
            return true;
        
        catch(Exception ex)
        
            tcpClient.Close();
            Debug.LogError(ex.Message);
            return false;
        
    
    public void WriteMessageFromClient()
    
        while (Conen)
        
            try
            
                if (Reda_White)
                
                    Write_jiChunQi(star,Udata);
                    Debug.Log("发送成功");
                
                if (kuse)
                
                    //READ HOLDING REGISTER
                    ushort[] msg = modbusIpMaster.ReadHoldingRegisters(0x01, 1, 0x01);
                
            
            catch
            
                break;
            
        
        tcpClient.Close();
    
    public void Write_jiChunQi(ushort star, ushort[] data)
    
        modbusIpMaster.WriteMultipleRegisters(1, star, data);
    
    private byte GetHex(string msg)
    
        byte hex = Convert.ToByte(msg);
        return hex;
    
    public int GetDexx(string msg)
    
        int res = Convert.ToInt32(msg, 16);
        return res;
    
    private void OnApplicationQuit()
    
        tcpClient.Close();
    
    public bool kuse = false;
    // Update is called once per frame
    void Update()
    
        //if (Input.GetMouseButtonDown(0))
        //
        //    modbusIpMaster.WriteMultipleRegisters(0x01, star, Udata);
        //    Debug.Log("发送成功");
        //
        //if (Input.GetKeyDown(KeyCode.Space))
        //
        //    ushort[] msg = modbusIpMaster.ReadInputRegisters(0x01, 1, 0x06);
        //    foreach (var item in msg)
        //    
        //        Debug.Log(item);
        //    
        //
        //if (Input.GetKeyDown(KeyCode.W))
        //
        //    ushort[] AoData = modbusIpMaster.ReadHoldingRegisters(0x00, 0, 0x14);
        //    //string str = AoData.ToString();
        //    //Debug.Log(AoData.Length);
        //    foreach (var item in AoData)
        //    
        //        Debug.Log("读取到的数据:"+item);
        //    
        //
    



后期调试工具Modbus Slave 以及Modbus Poll下载链接：

链接：https://pan.baidu.com/s/1RwLHzXKKxpgPAHm5O0So6Q?pwd=16t1 
提取码：16t1

   

以上就是今天要讲的内容，希望能帮到大家，同时呢也不要吝啬手中的赞哦！