C# 串口通信 调试工具源码

using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Threading.Tasks;using System.Windows.Forms;using System.IO.Ports;namespace 串口助手{ public partial class Form1 : Form { SerialPort sp = null; bool isOpen = false; bool isSetProperty = false; bool ishex = false; public Form1() { InitializeComponent(); } private void Form1_Load(object sender, EventArgs e) { this.MaximumSize = this.Size; this.MinimumSize = this.Size; this.MaximizeBox = false; for (int i = 0; i < 10; i ) { comboBox1.Items.Add("COM" (i 1).ToString()); } comboBox1.SelectedIndex = 0; comboBox2.Items.Add("1200"); comboBox2.Items.Add("2400"); comboBox2.Items.Add("4800"); comboBox2.Items.Add("9600"); comboBox2.Items.Add("19200"); comboBox2.Items.Add("38400"); comboBox2.Items.Add("43000"); comboBox2.Items.Add("56000"); comboBox2.Items.Add("57600"); comboBox2.Items.Add("115200"); comboBox2.SelectedIndex = 9; comboBox3.Items.Add("0"); comboBox3.Items.Add("1"); comboBox3.Items.Add("1.5"); comboBox3.Items.Add("2"); comboBox3.SelectedIndex = 1; comboBox4.Items.Add("无"); comboBox4.Items.Add("奇校验"); comboBox4.Items.Add("偶校验"); comboBox4.SelectedIndex = 0; comboBox5.Items.Add("8"); comboBox5.Items.Add("7"); comboBox5.Items.Add("6"); comboBox5.Items.Add("5"); comboBox5.SelectedIndex = 0; radioButton1.Checked = true; } private void groupBox1_Enter(object sender, EventArgs e) { } private void label1_Click(object sender, EventArgs e) { } private void radioButton2_CheckedChanged(object sender, EventArgs e) { } private void comboBox5_SelectedIndexChanged(object sender, EventArgs e) { } private void label4_Click(object sender, EventArgs e) { } private void button1_Click(object sender, EventArgs e) { bool comExistence = false; comboBox1.Items.Clear(); for (int i = 0; i < 10; i ) { try { SerialPort sp = new SerialPort("COM" (i 1).ToString()); sp.Open(); sp.Close(); comboBox1.Items.Add("COM" (i 1).ToString()); comExistence = true; } catch (Exception) { continue; } } if (comExistence) { comboBox1.SelectedIndex = 0; } else { MessageBox.Show("没有找到可用串口！","错误提示"); } } private bool CheckPortSetting() { if (comboBox1.Text.Trim() == "") return false; if (comboBox2.Text.Trim() == "") return false; if (comboBox3.Text.Trim() == "") return false; if (comboBox4.Text.Trim() == "") return false; if (comboBox5.Text.Trim() == "") return false; return true; } private bool CheckSendData() { if (textBox2.Text.Trim() == "") return false; return true; } #region 接收显示窗口 private void sp_DataReceived(object sender, SerialDataReceivedEventArgs e) { System.Threading.Thread.Sleep(100); this.Invoke((EventHandler)(delegate { if (ishex == false) { textBox1.Text = sp.ReadLine(); } else { Byte[] ReceivedData = new Byte[sp.BytesToRead]; sp.Read(ReceivedData, 0, ReceivedData.Length); String RecvDataText = null; for (int i = 0; i < ReceivedData.Length; i ) { RecvDataText = ("0x" ReceivedData[i].ToString("X2") " "); } textBox1.Text = RecvDataText; } sp.DiscardInBuffer(); })); } #endregion private void SetPortProperty() { sp = new SerialPort(); sp.PortName = comboBox1.Text.Trim(); sp.BaudRate = Convert.ToInt32(comboBox2.Text.Trim()); float f = Convert.ToSingle(comboBox3.Text.Trim()); if (f == 0) { sp.StopBits = StopBits.None; } else if(f==1.5) { sp.StopBits = StopBits.OnePointFive; } else if(f==1) { sp.StopBits = StopBits.One; } else if(f==2) { sp.StopBits = StopBits.Two; } else { sp.StopBits = StopBits.One; } sp.DataBits = Convert.ToInt16(comboBox5.Text.Trim()); string s = comboBox4.Text.Trim(); if(s.CompareTo("无")==0) { sp.Parity = Parity.None; } else if(s.CompareTo("奇校验")==0) { sp.Parity = Parity.Odd; } else if(s.CompareTo("偶校验")==0) { sp.Parity = Parity.Even; } else { sp.Parity = Parity.None; } sp.ReadTimeout = -1; sp.RtsEnable = true; sp.DataReceived = new SerialDataReceivedEventHandler(sp_DataReceived); if (radioButton2.Checked) { ishex = true; } else { ishex = false; } } private void button4_Click(object sender, EventArgs e) { if (isOpen) { try { sp.WriteLine(textBox2.Text); } catch (Exception) { MessageBox.Show("发送数据时发生错误", "错误提示"); return; } } else { MessageBox.Show("串口未打开", "错误提示"); return; } if(!CheckSendData()) { MessageBox.Show("请输入要发送的数据", "错误提示"); return; } } private void textBox2_TextChanged(object sender, EventArgs e) { } private void button2_Click(object sender, EventArgs e) { if (isOpen == false) { if (!CheckPortSetting()) { MessageBox.Show("串口未设置", "错误提示"); return; } if (!isSetProperty) { SetPortProperty(); isSetProperty = true; } try { sp.Open(); isOpen = true; button2.Text = "关闭串口"; comboBox1.Enabled = false; comboBox2.Enabled = false; comboBox3.Enabled = false; comboBox4.Enabled = false; comboBox5.Enabled = false; radioButton1.Enabled = false; radioButton2.Enabled = false; } catch (Exception) { isSetProperty = false; isOpen = false; MessageBox.Show("串口无效或已被占用", "错误提示"); } } else { try { sp.Close(); isOpen = false; isSetProperty = false; button2.Text = "打开串口"; comboBox1.Enabled = true; comboBox2.Enabled = true; comboBox3.Enabled = true; comboBox4.Enabled = true; comboBox5.Enabled = true; radioButton1.Enabled = true; radioButton2.Enabled = true; } catch (Exception) { } } } private void textBox1_TextChanged(object sender, EventArgs e) { } private void radioButton1_CheckedChanged(object sender, EventArgs e) { } private void button3_Click(object sender, EventArgs e) { textBox1.Text = ""; textBox2.Text = ""; } }}