C# 读取电能表度数 DLT645协议

本程序采用C#实现能够读取电能表电表数据，电能表需具有485模块，通过485转232串口线和232转usb串口线与电脑相链接，安装相应的驱动程序，即可在电脑上读出电能表的数据。对嵌入式程序的设计，串口通讯等方面的编程具有重要意义。

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.IO.Ports;
using System.Collections;
using System.IO;
using System.Text.Regularexpressions;
using System.Reflection;
using System.Threading;

namespace WindowsFormsApplication21
{
    public partial class Form1 : Form
    {
        int count = 0;//发送的次数
        int sendcount = 0;
        int getcount = 0;
      
        public Form1（）
        {
            InitializeComponent（）;
        }
       //串口界面初始化
        private void Form1_Load（object sender EventArgs e）
        {
            //如果有配置 则读取配置文件
            if （File.Exists（Application.StartupPath + @“\SerConfig.wjs“））
            {
                using （StreamReader sr = new StreamReader（Application.StartupPath + @“\SerConfig.wjs“ Encoding.UTF8））
                {
                    comboBox1.SelectedItem = sr.ReadLine（）;
                    comboBox2.SelectedItem = sr.ReadLine（）;
                    comboBox3.SelectedItem = sr.ReadLine（）;
                    comboBox4.SelectedItem = sr.ReadLine（）;
                    comboBox5.SelectedItem = sr.ReadLine（）;
                    textBox4.Text = sr.ReadLine（）;
                }
            }
            else 
            {
                //初始化
                comboBox1.SelectedIndex = 4;
                comboBox2.SelectedIndex = 5;
                comboBox3.SelectedIndex = 0;
                comboBox4.SelectedIndex = 2;
                comboBox5.SelectedIndex = 0;
            }
            Version version = System.Reflection.Assembly.GetExecutingAssembly（）.GetName（）.Version;
          //  this.Text = this.Text + “V“ + version.Major + “.“ + version.Minor;

            //扫描串口函数
            SearchAndAddSerialToComboBox（serialPort1comboBox1）;
        }

        //扫描端口函数
        private void SearchAndAddSerialToComboBox（SerialPort MyPort ComboBox MyBox）
        {
            String Buffer;
            MyBox.Items.Clear（）;//清空列表
            for （int i = 1; i <= 10; i++）//测试每一个串口
            {
                try
                {
                    Buffer = “COM“ + i.ToString（）;
                    MyPort.PortName = Buffer;//对端口赋值
                    MyPort.Open（）;
                    MyBox.Items.Add（Buffer）;//添加到下拉列表里
                    MyPort.Close（）;
                }
                catch （Exception）//不能打开运行这里进入下个i
                {

                }
            }
        }

        //设置串口名函数（当改变选中项时发生）
        private void comboBox1_SelectedIndexChanged（object sender EventArgs e）
        {
            if （serialPort1.IsOpen）
            {
                CloseSet（）;
                serialPort1.PortName = comboBox1.Text;
                OpenSet（）;
            }
            else 
            {
                serialPort1.PortName = comboBox1.Text;
     

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----

     文件         77  2016-04-12 10:09  读电表（自编）\WindowsFormsApplication21\app.config

     文件         70  2016-04-02 22:18  读电表（自编）\WindowsFormsApplication21\bin\Debug\SerConfig.wjs

     文件      27648  2016-04-12 10:11  读电表（自编）\WindowsFormsApplication21\bin\Debug\WindowsFormsApplication21.dll

     文件         77  2016-04-12 10:09  读电表（自编）\WindowsFormsApplication21\bin\Debug\WindowsFormsApplication21.dll.config

     文件      81408  2016-04-12 10:11  读电表（自编）\WindowsFormsApplication21\bin\Debug\WindowsFormsApplication21.pdb

     文件      11600  2016-04-12 10:05  读电表（自编）\WindowsFormsApplication21\bin\Debug\WindowsFormsApplication21.vshost.exe

     文件        490  2010-03-17 22:39  读电表（自编）\WindowsFormsApplication21\bin\Debug\WindowsFormsApplication21.vshost.exe.manifest

     文件      16950  2016-01-16 12:27  读电表（自编）\WindowsFormsApplication21\Form1.cs

     文件      31254  2016-01-06 17:22  读电表（自编）\WindowsFormsApplication21\Form1.Designer.cs

     文件       6612  2016-01-06 17:22  读电表（自编）\WindowsFormsApplication21\Form1.resx

     文件        645  2016-01-02 22:04  读电表（自编）\WindowsFormsApplication21\Form2.cs

     文件       6847  2016-01-02 22:04  读电表（自编）\WindowsFormsApplication21\Form2.Designer.cs

     文件       5817  2016-01-02 22:04  读电表（自编）\WindowsFormsApplication21\Form2.resx

     文件       4440  2015-12-26 13:44  读电表（自编）\WindowsFormsApplication21\obj\x86\Debug\DesignTimeResolveAssemblyReferences.cache

     文件       6753  2016-04-12 10:11  读电表（自编）\WindowsFormsApplication21\obj\x86\Debug\DesignTimeResolveAssemblyReferencesInput.cache

     文件       2834  2016-04-12 10:11  读电表（自编）\WindowsFormsApplication21\obj\x86\Debug\GenerateResource.read.1.tlog

     文件       7886  2016-04-12 10:11  读电表（自编）\WindowsFormsApplication21\obj\x86\Debug\GenerateResource.write.1.tlog

     文件       7897  2015-12-30 09:06  读电表（自编）\WindowsFormsApplication21\obj\x86\Debug\ResolveAssemblyReference.cache

     文件       7702  2016-04-12 10:11  读电表（自编）\WindowsFormsApplication21\obj\x86\Debug\WindowsFormsApplication21.csproj.FileListAbsolute.txt

     文件      27648  2016-04-12 10:11  读电表（自编）\WindowsFormsApplication21\obj\x86\Debug\WindowsFormsApplication21.dll

     文件        180  2016-04-12 10:11  读电表（自编）\WindowsFormsApplication21\obj\x86\Debug\WindowsFormsApplication21.Form1.resources

     文件        180  2016-04-12 10:11  读电表（自编）\WindowsFormsApplication21\obj\x86\Debug\WindowsFormsApplication21.Form2.resources

     文件      81408  2016-04-12 10:11  读电表（自编）\WindowsFormsApplication21\obj\x86\Debug\WindowsFormsApplication21.pdb

     文件        180  2016-04-12 10:11  读电表（自编）\WindowsFormsApplication21\obj\x86\Debug\WindowsFormsApplication21.Properties.Resources.resources

     文件        506  2015-12-24 10:11  读电表（自编）\WindowsFormsApplication21\Program.cs

     文件       1398  2016-01-02 10:12  读电表（自编）\WindowsFormsApplication21\Properties\AssemblyInfo.cs

     文件       2898  2015-12-24 10:11  读电表（自编）\WindowsFormsApplication21\Properties\Resources.Designer.cs

     文件       5612  2015-12-24 10:11  读电表（自编）\WindowsFormsApplication21\Properties\Resources.resx

     文件       1108  2015-12-24 10:11  读电表（自编）\WindowsFormsApplication21\Properties\Settings.Designer.cs

     文件        249  2015-12-24 10:11  读电表（自编）\WindowsFormsApplication21\Properties\Settings.settings

............此处省略17个文件信息