串口通讯测试程序的源代码_百度文库

1、using System;using System.Drawing;using System.Collections;using System.ComponentModel;using System.Data;using System.Threading;namespace BusApp/ / Form1 的摘要说明。/ public int iPort=1; /1,2,3,4public int iRate=9600; /1200,2400,4800,9600public byte bSize=8; /8 bitspublic byte bParity=0; / 0-4=no,odd,eve

2、n,mark,space public byte bStopBits=1; / 0,1,2 = 1, 1.5, 2 public int iTimeout=1000;public mycom mycom1=new mycom(;public byte recb;/ / 必需的设计器变量。/ public Form1(InitializeComponent(;/ / 清理所有正在使用的资源。/ protected override void Dispose( bool disposing if( disposing if (components != null components.Dispos

3、e(;base.Dispose( disposing ;#region Windows 窗体设计器生成的代码/ / 设计器支持所需的方法 - 不要使用代码编辑器修改/ 此方法的内容。/ private void InitializeComponent(this.SuspendLayout(;/ / msg/ / / label1/ / / label2/ / / t_send/ / / button1/ / / groupBox1/ / / button2/ / / t_port/ / / label3/ / / t_rate/ / / label4/ / / t_bytesize/ / /

4、label5/ / / t_stopbyte/ / / label6/ / / t_parity/ / / button3/ / / button4/ / / textBox8/ / / label7/ / / button5/ / / Form1/ this.Name = "Form1"this.Text = "串口通讯（小y设计）"this.Load += new System.EventHandler(this.Form1_Load;this.ResumeLayout(false;#endregion/ / 应用程序的主入口点。/ </sum

5、mary>STAThreadstatic void Main( Application.Run(new Form1(;/程序开启，串口初始化private void Form1_Load(object sender, System.EventArgs emycom1.PortNum=iPort;mycom1.BaudRate=iRate;mycom1.ByteSize=bSize;mycom1.Parity=bParity;mycom1.StopBits=bStopBits;mycom1.ReadTimeout=iTimeout;if(this.OpenCom(msg.AppendTex

6、t("串口初始化成功rn"elsemsg.AppendText("串口初始化失败！rn"/显示包信息public string dis_package(byte rebstring temp=""foreach(byte b in rebtemp+=b.ToString("X2"+" "return temp;/开串口public bool OpenCom(try if (mycom1.Opened mycom1.Close(; mycom1.Open(; /打开串口 else mycom1.O

7、pen(;/打开串口 return true;catch(Exception e MessageBox.Show("错误：" + e.Message; return false;/发送按钮private void button1_Click(object sender, System.EventArgs eif(t_send.Text=""MessageBox.Show("发送数据为空！"return;byte temp1=mysendb(;int sendnumb=0;trysendnumb=mycom1.Write(temp1;m

8、sg.AppendText("rn发送数据("+sendnumb+"："+dis_package(temp1;recb=mycom1.Read(50;/if(recb.Length!=0msg.AppendText("rn接收到数据包："+dis_package(recb;catchmsg.AppendText("rn发送失败！"return;/OpenCom(;/去掉发送数组中的空格public string delspace(string putinstring putout=""for(i

9、nt i=0;i if(putini!=' 'putout+=putini;return putout;/提取数据包public byte mysendb(string temps=delspace(t_send.Text;byte tempb=new byte50;int j=0;for(int i=0;i tempbj=Convert.ToByte(temps.Substring(i,2,16;byte send=new bytej;Array.Copy(tempb,send,j;return send;/清空按钮private void button3_Click(obj

10、ect sender, System.EventArgs et_send.Text=string.Empty;msg.Text=string.Empty;/参数设置private void button2_Click(object sender, System.EventArgs emycom1.PortNum=Convert.ToInt16(t_port.Text; /1,2,3,4mycom1.BaudRate=Convert.ToInt16(t_rate.Text; /1200,2400,4800,9600mycom1.ByteSize=Convert.ToByte(t_bytesize

11、.Text,10; /8 bitsmycom1.Parity=Convert.ToByte(t_parity.Text,10; / 0-4=no,odd,even,mark,spacemycom1.StopBits=Convert.ToByte(t_stopbyte.Text,10; / 0,1,2 = 1, 1.5, 2 /iTimeout=3;if(this.OpenCom(msg.AppendText("串口初始化成功rn"elsemsg.AppendText("串口初始化失败！rn"/程序关闭，结束串口mycom1.Close(;private void button5_Click(object sender, System.EventArgs