C#实现串口上位机

C# 上位机 串口通讯 

/*
 * Project:     Serial Port Interface with C#
 * Company:     StudentCompanion
 * Created:     April 2013
 * Updated:    February 2020
 * Visual Studio: 2019
 * .NET framework: 4.6.2
 * Notes:       This is a simple demontration on how to use the SerialPort control for
 *              communicating with your PC‘s  COM Port. 
 *              This is for educational purposes only and not for any commercial use. 
 *              For more on this please visit: https://www.studentcompanion.co.za/creating-a-serial-port-interface-with-c/
 * */

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;  //This is a namespace that contains the SerialPort class


namespace Serial_Communication
    {
    public partial class Form1 : Form
        {
        public Form1（）
            {
            InitializeComponent（）;
            }

        private void Form1_Load（object sender EventArgs e） 
            {
            updatePorts（）;           //Call this function everytime the page load 
                                     //to update port names
            CheckForIllegalCrossThreadCalls = false;
            }
        private void updatePorts（）
            {
            // Retrieve the list of all COM ports on your Computer
            string[] ports = SerialPort.GetPortNames（）;
            foreach （string port in ports）
                {
                cmbPortName.Items.Add（port）;
                }
            }
        private SerialPort ComPort = new SerialPort（）;  //Initialise ComPort Variable as SerialPort
        private void connect（）
            {
            bool error = false;

            // Check if all settings have been selected

            if （cmbPortName.SelectedIndex != -1 & cmbBaudRate.SelectedIndex != -1 & cmbParity.SelectedIndex != -1 & cmbDataBits.SelectedIndex != -1 & cmbStopBits.SelectedIndex != -1）
                {
                    //if yes than Set The Port‘s settings
                    ComPort.PortName = cmbPortName.Text;
                    ComPort.BaudRate = int.Parse（cmbBaudRate.Text）;      //convert Text to Integer
                    ComPort.Parity = （Parity）Enum.Parse（typeof（Parity） cmbParity.Text）; //convert Text to Parity
                    ComPort.DataBits = int.Parse（cmbDataBits.Text）;        //convert Text to Integer
                    ComPort.StopBits = （StopBits）Enum.Parse（typeof（StopBits） cmbStopBits.Text）;  //convert Text to stop bits
                    
                try  //always try to use this try and catch method to open your port. 
                     //if there is an error your program will not display a message instead of freezing.
                    {
                    //Open Port
                    ComPort.Open（）;
                    ComPort.DataReceived += SerialPortD

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2020-02-02 22:56  Serial_Communication\
     目录           0  2020-02-01 07:41  Serial_Communication\.vs\
     目录           0  2020-02-01 07:41  Serial_Communication\.vs\Serial_Communication\
     目录           0  2020-02-01 07:57  Serial_Communication\.vs\Serial_Communication\v16\
     文件       29696  2020-02-02 22:57  Serial_Communication\.vs\Serial_Communication\v16\.suo
     目录           0  2020-02-01 07:46  Serial_Communication\.vs\Serial_Communication\v16\Server\
     目录           0  2020-02-02 22:57  Serial_Communication\.vs\Serial_Communication\v16\Server\sqlite3\
     文件           0  2020-02-01 07:46  Serial_Communication\.vs\Serial_Communication\v16\Server\sqlite3\db.lock
     文件      569344  2020-02-02 22:57  Serial_Communication\.vs\Serial_Communication\v16\Server\sqlite3\storage.ide
     文件         163  2020-02-02 22:12  Serial_Communication\app.config
     目录           0  2014-02-18 21:52  Serial_Communication\bin\
     目录           0  2020-02-02 22:22  Serial_Communication\bin\Debug\
     文件       30208  2020-02-02 22:22  Serial_Communication\bin\Debug\Serial_Communication.exe
     文件         163  2020-02-02 22:12  Serial_Communication\bin\Debug\Serial_Communication.exe.config
     文件       30208  2020-02-02 22:22  Serial_Communication\bin\Debug\Serial_Communication.pdb
     文件       11600  2013-04-26 21:09  Serial_Communication\bin\Debug\Serial_Communication.vshost.exe
     文件         490  2010-03-18 04:39  Serial_Communication\bin\Debug\Serial_Communication.vshost.exe.manifest
     目录           0  2015-11-30 02:06  Serial_Communication\bin\Release\
     目录           0  2014-02-18 21:52  Serial_Communication\bin\Release\app.publish\
     目录           0  2014-02-18 21:52  Serial_Communication\bin\Release\app.publish\Application Files\
     目录           0  2014-02-18 21:52  Serial_Communication\bin\Release\app.publish\Application Files\Serial_Communication_1_0_0_0\
     文件       15872  2013-04-26 21:19  Serial_Communication\bin\Release\app.publish\Application Files\Serial_Communication_1_0_0_0\Serial_Communication.exe.deploy
     文件        6747  2013-04-26 21:20  Serial_Communication\bin\Release\app.publish\Application Files\Serial_Communication_1_0_0_0\Serial_Communication.exe.manifest
     文件        5658  2013-04-26 21:20  Serial_Communication\bin\Release\app.publish\Serial_Communication.application
     文件      428960  2013-04-26 21:20  Serial_Communication\bin\Release\app.publish\setup.exe
     文件        1938  2015-11-30 02:10  Serial_Communication\bin\Release\Serial_Communication.application
     文件       15872  2015-11-30 02:10  Serial_Communication\bin\Release\Serial_Communication.exe
     文件        3101  2015-11-30 02:10  Serial_Communication\bin\Release\Serial_Communication.exe.manifest
     文件       34304  2015-11-30 02:10  Serial_Communication\bin\Release\Serial_Communication.pdb
     文件        1938  2015-11-30 02:10  Serial_Communication\bin\Release\Serial_Communication.vshost.application
     文件       24224  2015-11-30 02:10  Serial_Communication\bin\Release\Serial_Communication.vshost.exe
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