C# OMRON FINS UDP通信
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Net;
using System.Net.Sockets;
using System.Threading;
namespace WindowsFormsApplication2
{
public partial class Form1 : Form
{
UdpClient udpClient;
byte Registertype=0x82;
IPAddress locateIp;
IPEndPoint locatePoint;
IPAddress remoteIp;
IPEndPoint remotePoint;
public Form1()
{
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e)
{
txtLocateIP.Text = getIPAddress();
txtRemoteIP.Text = getIPAddress();
//禁止夸线程监视
Control.CheckForIllegalCrossThreadCalls = false;//这种方法不好，只是方便，不提倡
}
private void btnServer_Click(object sender, EventArgs e)
{
if (udpClient != null)
return;
locateIp = IPAddress.Parse(txtLocateIP.Text);
locatePoint = new IPEndPoint(locateIp, Convert.ToInt32(txtLocatePort.Text));
udpClient = new UdpClient(locatePoint);
remoteIp = IPAddress.Parse(txtRemoteIP.Text);
remotePoint = new IPEndPoint(remoteIp, Convert.ToInt32(txtRemotePort.Text));
//监听创建好后，就开始接收信息，并创建一个线程
Thread th = new Thread(Receive);
th.IsBackground = true;
th.Start();
}
/// <summary>
/// 接收线程方法
/// </summary>
void Receive()
{
byte[] recBuffer;
//远端IP
IPEndPoint remotePoint = new IPEndPoint(IPAddress.Any, 0);
while (true)
{
try
{
recBuffer = udpClient.Receive(ref remotePoint);
if (cBoxHex.Checked)
{
rtxtRec.AppendText(StringtoHex(recBuffer) "\r\n");
}
else {
if (recBuffer != null)
{
byte[] Num = new byte[2] { recBuffer[recBuffer.Length-2], recBuffer[recBuffer.Length-1] };
string zas = StringtoHex(Num);
Int32 xx = Convert.ToInt32(zas, 16);
rtxtRec.AppendText(xx "\r\n");
}
}
}
catch (Exception e)
{
MessageBox.Show(e.ToString());
}
}
}
string StringtoHex(byte[] myBytes)
{
string result=null;
foreach (byte b in myBytes)
{
string val = b.ToString("X");
result = (val.Length == 2 ? val : "0" val);
}
return result;
}
private void btnSend_Click(object sender, EventArgs e)
{
if (string.IsNullOrEmpty(rtxtSend.Text.Trim()))
return;
byte[] buffer = System.Text.Encoding.UTF8.GetBytes(rtxtSend.Text.Trim());
udpClient.Send(buffer, buffer.Length, remotePoint);
}
/// <summary>
/// 获取本地IP的方法
/// </summary>
/// <returns></returns>
private string getIPAddress()
{
//获取本地所有IP地址
IPHostEntry ipe = Dns.GetHostEntry(Dns.GetHostName());
IPAddress[] ip = ipe.AddressList;
for (int i = 0; i < ip.Length; i )
{
if (ip[i].AddressFamily.ToString().Equals("InterNetwork"))
{
return ip[i].ToString();
}
}
return null;
}
private void btnwriter_Click(object sender, EventArgs e)
{
byte waddressL = Convert.ToByte((Convert.ToUInt16(wtxtaddress.Text) % 256).ToString());
byte waddressH= Convert.ToByte(((Convert.ToUInt16(wtxtaddress.Text) /256)%256).ToString());
byte wCountL = Convert.ToByte((Convert.ToUInt16(wtxtCount.Text) % 256).ToString());
byte wCountH = Convert.ToByte(((Convert.ToUInt16(wtxtCount.Text) / 256) % 256).ToString());
byte wdataL = Convert.ToByte((Convert.ToUInt16(wdata.Text) % 256).ToString());
byte wdataH = Convert.ToByte(((Convert.ToUInt16(wdata.Text) / 256) % 256).ToString());
IPAddress remoteIp = IPAddress.Parse(txtRemoteIP.Text);
IPEndPoint remotePoint = new IPEndPoint(remoteIp, Convert.ToInt32(txtRemotePort.Text));
byte[] wbuffer = { 0x80, 0x00, 0x02, 0x00, remoteIp.GetAddressBytes()[3], 0x00, 0x00, locateIp.GetAddressBytes()[3], 0x00, 0x00, 0x01, 0x02, Registertype, waddressH, waddressL, 0x00, wCountH, wCountL, wdataH, wdataL };
udpClient.Send(wbuffer, wbuffer.Length, remotePoint);
rtxtSend.Text = Convert.ToString(BitConverter.ToString(wbuffer, 0));
}
private void cnbRegistertype_SelectedIndexChanged(object sender, EventArgs e)
{
switch (cnbRegistertype.Text)
{
case "DR": Registertype = 0x82; break;
case "WR": Registertype = 0xB1; break;
case "CIO": Registertype = 0xB0;break;
case "ER": Registertype = 0xA0; break;
case "TIM": Registertype = 0x89;break;
case "CNT": Registertype = 0x89;break;
default: Registertype = 0x82; break;
}
}
private void btnread_Click(object sender, EventArgs e)
{
// 800002000100002800000101820068000001
byte RaddressL = Convert.ToByte((Convert.ToUInt16(Rtxtaddress.Text) % 256).ToString());
byte RaddressH = Convert.ToByte(((Convert.ToUInt16(Rtxtaddress.Text) / 256) % 256).ToString());
byte wCountL = Convert.ToByte((Convert.ToUInt16(RtxtCount.Text) % 256).ToString());
byte RCountH = Convert.ToByte(((Convert.ToUInt16(RtxtCount.Text) / 256) % 256).ToString());
// byte RdataL = Convert.ToByte((Convert.ToUInt16(Rdata.Text) % 256).ToString());
// byte RdataH = Convert.ToByte(((Convert.ToUInt16(Rdata.Text) / 256) % 256).ToString());
IPAddress remoteIp = IPAddress.Parse(txtRemoteIP.Text);
IPEndPoint remotePoint = new IPEndPoint(remoteIp, Convert.ToInt32(txtRemotePort.Text));
byte[] Rbuffer = { 0x80, 0x00, 0x02, 0x00, remoteIp.GetAddressBytes()[3], 0x00, 0x00, locateIp.GetAddressBytes()[3], 0x00, 0x00, 0x01, 0x01, Registertype, RaddressH, RaddressL, 0x00, RCountH, wCountL };
udpClient.Send(Rbuffer, Rbuffer.Length, remotePoint);
}
}
}
资源文件列表
UDPClient/UDPClient/bin/Debug/WindowsFormsApplication2.exe , 18432
UDPClient/UDPClient/bin/Debug/WindowsFormsApplication2.pdb , 32256
UDPClient/UDPClient/bin/Debug/WindowsFormsApplication2.vshost.exe , 21464
UDPClient/UDPClient/bin/Debug/WindowsFormsApplication2.vshost.exe.manifest , 490
UDPClient/UDPClient/obj/Debug/DesignTimeResolveAssemblyReferences.cache , 1229
UDPClient/UDPClient/obj/Debug/DesignTimeResolveAssemblyReferencesInput.cache , 6873
UDPClient/UDPClient/obj/Debug/UDPClient.csproj.FileListAbsolute.txt , 2540
UDPClient/UDPClient/obj/Debug/UDPClient.csproj.GenerateResource.Cache , 851
UDPClient/UDPClient/obj/Debug/UDPClient.csprojResolveAssemblyReference.cache , 1757
UDPClient/UDPClient/obj/Debug/WindowsFormsApplication2.exe , 18432
UDPClient/UDPClient/obj/Debug/WindowsFormsApplication2.Form1.resources , 180
UDPClient/UDPClient/obj/Debug/WindowsFormsApplication2.pdb , 32256
UDPClient/UDPClient/obj/Debug/WindowsFormsApplication2.Properties.Resources.resources , 180
UDPClient/UDPClient/Program.cs , 505
UDPClient/UDPClient/Properties/AssemblyInfo.cs , 1372
UDPClient/UDPClient/Properties/Resources.Designer.cs , 2900
UDPClient/UDPClient/Properties/Resources.resx , 5612
UDPClient/UDPClient/Properties/Settings.Designer.cs , 1111
UDPClient/UDPClient/Properties/Settings.settings , 249
UDPClient/UDPClient/UDPClient.cs , 7196
UDPClient/UDPClient/UDPClient.csproj , 3736
UDPClient/UDPClient/UDPClient.Designer.cs , 19978
UDPClient/UDPClient/UDPClient.resx , 5817
UDPClient/UDPClient/UDPClient.sln , 907
UDPClient/UDPClient/UDPClient.v11.suo , 45056
UDPClient/UDPClient.sln , 1011
UDPClient/UDPClient.suo , 10752
UDPClient/UDPClient.v12.suo , 31744