C# 继电器TCP/IP以太网客户端测试程序源码

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 Client.Properties;using System.Text.RegularExpressions;namespace Client{ public partial class Frmmain : Form { private TcpClient tclient = new TcpClient(); private NetworkStream ns1; private NetworkStream ns2; public Frmmain() { InitializeComponent(); } private void Frmmain_Load(object sender, EventArgs e) { Settings.Default.Reload(); ip1.Text = Settings.Default["ip"].ToString(); txtport.Text=Settings.Default["port"].ToString(); txtaddr.Text = Settings.Default["addr"].ToString(); txtDONum.Text = Settings.Default["donum"].ToString(); txtDINum.Text = Settings.Default["dinum"].ToString(); } private void btnopen_Click(object sender, EventArgs e) { try { if (tclient.Connected == false) { tclient.Connect(ip1.Text, Convert.ToInt32(txtport.Text)); if (tclient.Connected == true) btnopen.Text = "关闭"; ns1 = tclient.GetStream(); ns2 = tclient.GetStream(); } else { tclient.Close(); tclient = new TcpClient(); btnopen.Text = "打开"; } } catch (Exception ex) { tclient.Close(); tclient = new TcpClient(); MessageBox.Show(ex.Message); } } private void btnClear_Click(object sender, EventArgs e) { txtBoxRcv.Clear(); } private void Frmmain_FormClosed(object sender, FormClosedEventArgs e) { tclient.Close(); Settings.Default["ip"] = ip1.Text; Settings.Default["port"] = txtport.Text; Settings.Default["addr"] = txtaddr.Text; Settings.Default["donum"] = txtDONum.Text; Settings.Default["dinum"] = txtDINum.Text; Settings.Default.Save(); } private void btnDO_Click(object sender, EventArgs e) { Button btn = (sender as Button); bool isopen = (btn.ImageIndex == 0) ? false : true; int io = Convert.ToInt32(btn.Tag); btn.ImageIndex = (isopen) ? 0 : 1; byte[] info = CModbusDll.WriteDO(Convert.ToInt16(txtaddr.Text), io - 1, !isopen); byte[] rst = sendinfo(info); if (rst!=null) { btn.ImageIndex = (rst[0] == 0) ? 0 : 1; } } private void btnCloseAll_Click(object sender, EventArgs e) { byte[] info = CModbusDll.WriteAllDO(Convert.ToInt16(txtaddr.Text), Convert.ToInt16(txtDONum.Text), false); byte[] rst = sendinfo(info); if (rst != null) { btnDO1.ImageIndex = 0; btnDO2.ImageIndex = 0; btnDO3.ImageIndex = 0; btnDO4.ImageIndex = 0; btnDO5.ImageIndex = 0; btnDO6.ImageIndex = 0; btnDO7.ImageIndex = 0; btnDO8.ImageIndex = 0; } } private void btnOpenAll_Click(object sender, EventArgs e) { byte[] info = CModbusDll.WriteAllDO(Convert.ToInt16(txtaddr.Text), Convert.ToInt16(txtDONum.Text), true); byte[] rst = sendinfo(info); if (rst != null) { btnDO1.ImageIndex = 1; btnDO2.ImageIndex = 1; btnDO3.ImageIndex = 1; btnDO4.ImageIndex = 1; btnDO5.ImageIndex = 1; btnDO6.ImageIndex = 1; btnDO7.ImageIndex = 1; btnDO8.ImageIndex = 1; } } private void btnReadDO_Click(object sender, EventArgs e) { byte[] info = CModbusDll.ReadDO(Convert.ToInt16(txtaddr.Text), Convert.ToInt16(txtDONum.Text)); byte[] rst = sendinfo(info); if (rst != null) { btnDO1.ImageIndex = ((rst[0] & 0x01) == 0x00) ? 0 : 1; btnDO2.ImageIndex = ((rst[0] & 0x02) == 0x00) ? 0 : 1; btnDO3.ImageIndex = ((rst[0] & 0x04) == 0x00) ? 0 : 1; btnDO4.ImageIndex = ((rst[0] & 0x08) == 0x00) ? 0 : 1; btnDO5.ImageIndex = ((rst[0] & 0x10) == 0x00) ? 0 : 1; btnDO6.ImageIndex = ((rst[0] & 0x20) == 0x00) ? 0 : 1; btnDO7.ImageIndex = ((rst[0] & 0x40) == 0x00) ? 0 : 1; btnDO8.ImageIndex = ((rst[0] & 0x80) == 0x00) ? 0 : 1; } } private void btnReadDI_Click(object sender, EventArgs e) { byte[] info = CModbusDll.ReadDI(Convert.ToInt16(txtaddr.Text), Convert.ToInt16(txtDINum.Text)); byte[] rst = sendinfo(info); if (rst != null) { btnDI1.ImageIndex = ((rst[0] & 0x01) == 0x00) ? 0 : 1; btnDI2.ImageIndex = ((rst[0] & 0x02) == 0x00) ? 0 : 1; btnDI3.ImageIndex = ((rst[0] & 0x04) == 0x00) ? 0 : 1; btnDI4.ImageIndex = ((rst[0] & 0x08) == 0x00) ? 0 : 1; btnDI5.ImageIndex = ((rst[0] & 0x10) == 0x00) ? 0 : 1; btnDI6.ImageIndex = ((rst[0] & 0x20) == 0x00) ? 0 : 1; btnDI7.ImageIndex = ((rst[0] & 0x40) == 0x00) ? 0 : 1; btnDI8.ImageIndex = ((rst[0] & 0x80) == 0x00) ? 0 : 1; if(rst.Length>1) { btnDI9.ImageIndex = ((rst[1] & 0x01) == 0x00) ? 0 : 1; btnDI10.ImageIndex = ((rst[1] & 0x02) == 0x00) ? 0 : 1; btnDI11.ImageIndex = ((rst[1] & 0x04) == 0x00) ? 0 : 1; btnDI12.ImageIndex = ((rst[1] & 0x08) == 0x00) ? 0 : 1; btnDI13.ImageIndex = ((rst[1] & 0x10) == 0x00) ? 0 : 1; btnDI14.ImageIndex = ((rst[1] & 0x20) == 0x00) ? 0 : 1; btnDI15.ImageIndex = ((rst[1] & 0x40) == 0x00) ? 0 : 1; btnDI16.ImageIndex = ((rst[1] & 0x80) == 0x00) ? 0 : 1; } if (rst.Length > 2) { btnDI17.ImageIndex = ((rst[2] & 0x01) == 0x00) ? 0 : 1; btnDI18.ImageIndex = ((rst[2] & 0x02) == 0x00) ? 0 : 1; btnDI19.ImageIndex = ((rst[2] & 0x04) == 0x00) ? 0 : 1; btnDI20.ImageIndex = ((rst[2] & 0x08) == 0x00) ? 0 : 1; } } } private byte[] analysisRcv(byte[] src, int len) { if (len < 6) return null; if (src[0] != Convert.ToInt16(txtaddr.Text)) return null; switch(src[1]) { case 0x01: if (CMBRTU.CalculateCrc(src,6)==0x00) { byte[] dst = new byte[1]; dst[0] = src[3]; return dst; } break; case 0x02: if (CMBRTU.CalculateCrc(src, src[2] 5) == 0x00) { byte[] dst = new byte[src[2]]; for (int i = 0; i < src[2];i ) dst[i] = src[3 i]; return dst; } break; case 0x05: if (CMBRTU.CalculateCrc(src,8)==0x00) { byte[] dst = new byte[1]; dst[0] = src[4]; return dst; } break; case 0x0f: if (CMBRTU.CalculateCrc(src, 8) == 0x00) { byte[] dst = new byte[1]; dst[0] = 1; return dst; } break; } return null; } private byte[] sendinfo(byte[] info) { if (tclient.Connected == false) return null; tclient.SendTimeout = 1000; try { ns1.Write(info, 0, info.Length); DebugInfo("发送",info); byte[] data = new byte[2048]; ns2.ReadTimeout = 2000; int len = ns2.Read(data, 0, 2048); DebugInfo("接收", data, len); return analysisRcv(data,len); } catch (Exception ex) { tclient.Close(); tclient = new TcpClient(); btnopen.Text = "打开"; MessageBox.Show(ex.Message); } return null; } private void DebugInfo(string infotxt,byte[] info,int len=0) { string debuginfo; StringBuilder builder = new StringBuilder(); if(info!=null) { if (len == 0) len = info.Length; //判断是否是显示为16禁止 //依次的拼接出16进制字符串 for (int i = 0; i < len; i ) { builder.Append(info[i].ToString("X2") " "); } } debuginfo = string.Format("{0}:{1}\r\n", infotxt, builder.ToString()); builder.Clear(); //因为要访问ui资源，所以需要使用invoke方式同步ui。 this.Invoke((EventHandler)(delegate { //追加的形式添加到文本框末端，并滚动到最后。 txtBoxRcv.AppendText(debuginfo); })); } private void tmrrecv_Tick(object sender, EventArgs e) { if (tclient.Connected == false) return; if (tclient.Available <= 0) return; byte[] data = new byte[2048]; int len = ns2.Read(data, 0, 2048); } }}