监听串口数据并触发事件

1. 转载连接： https://blog.youkuaiyun.com/li_ser/article/details/52681353
2. 
   
3. using System;  
4. using System.Text;  
5. using System.Net;  
6. using System.Net.Sockets;  
7.   
8. namespace HtTcp  
9. {  
10.     public delegate void ITCPAcsEvents_OnEventEventHandler(string _Type, string _ReturnValue);  
11.   
12.     public class HtTcpAcs  
13.     {  
14.         public event ITCPAcsEvents_OnEventEventHandler OnEvent;  
15.          
16.   
17.          
18.         public HtTcpAcs()  
19.         {  
20.   
21.         }  
22.   
23.         public void HtTcpAcsx(string IpAddress,int IpPorts)  
24.         {  
25.             Socket serverSocket;  
26.   
27.             IPEndPoint ephost = new IPEndPoint(IPAddress.Parse(IpAddress), IpPorts);  
28.             serverSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);  
29.  
30.             #region 发送接收  
31.             try  
32.             {  
33.                 int counter = 0;  
34.                 string retrunValue = "";  
35.                 string retrunType = "";  
36.                 serverSocket.Connect(ephost);  
37.                 while (true)  
38.                 {  
39.                     //接收的消息 暂定获取1M数据  
40.                     Byte[] recvBytes = new Byte[2048];  
41.                     Int32 bytes = serverSocket.Receive(recvBytes, recvBytes.Length, SocketFlags.None);  
42.   
43.                     string msg = TcpDataHelp.ToHexString(recvBytes, recvBytes.Length).ToUpper();  
44.   
45.                     //截取有效帧数据  
46.                     int i = msg.IndexOf("3A") + 2;  
47.                     int j = msg.IndexOf("0D0A");  
48.                     string strred = msg.Substring(i, j - i);  
49.                     string strxy = strred.Substring(0, strred.Length - 2);  
50.                     string strbd = strred.Substring(strred.Length - 2, 2);  
51.   
52.                     if (TcpValidate.CheckSumgz(strxy) == strbd)  
53.                     {  
54.                         //获取编码  
55.                         string funCode = strxy.Substring(2, 2);  
56.                         //判断编码 区分数据解析函数  
57.                         switch (funCode)  
58.                         {  
59.                              retrunValue = Convert.ToInt64(strxy.Substring(4, strxy.Length - 4), 16).ToString();  
60.                         }  
61.                         if (OnEvent!=null)  
62.                         {  
63.                             OnEvent(funCode, retrunValue);  
64.                         }  
65.                     }  
66.                     //Thread.Sleep(100);  
67.                 }  
68.             }  
69.             catch (Exception ex)  
70.             {  

[csharp]  view plain  copy

1. MessageBox.Show(<span style="font-family: Arial, Helvetica, sans-serif;">"连接/发送/接收过程中，发生了错误！\r\n"</span><span style="font-family: Arial, Helvetica, sans-serif;">)</span>  

[csharp]  view plain  copy

1.         }  
2.         finally  
3.         {  
4.             serverSocket.Close();  
5.         }  
6.         #endregion  
7.     }  
8.     //监听控制器  
9. }