实例介绍
【实例简介】
【实例截图】
【核心代码】
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);
}
}
}
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