大家好，给大家分享一个本人集合了****各方的代码做成了一个基于C#的串口助手，学了两三天，还是挺不错的，该有的功能都有，给大家看下界面。
设计的思路也很简单
获取串口号：这边使用定时器来获取，可以达到实时更新串口号的效果，点击选择串口定时器就关闭， 关闭串口就会继续开始获取串口号。
自动发送功能，再增加了一个定时器来搞。
其它的就大同小异了。
字符串转16 字节转16进制的都给大家写好了，可以直接拿来用的C#串口助手，界面美观，注释多VS2022开发资源-****文库
想要工程源码的我也给大家上传到
下面来给大家分享源码。这里就不一一教大家去做了，可以写好界面直接参考代码
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading;
using System.IO.Ports;
using System.Threading.Tasks;
using System.Windows.Forms;
using static System.Windows.Forms.VisualStyles.VisualStyleElement;
using static System.Windows.Forms.VisualStyles.VisualStyleElement.Button;
namespace WindowsFormsApp1
{
public partial class Form1 : Form
{
private DateTime current_time = new DateTime();
public Form1()
{
InitializeComponent();
//Thread autoSendThread = new Thread(AutoSendMethod);
timer1.Start();
//设置ComboBox框的初始值
Band_comboBox.SelectedIndex = 7;
Data_comboBox.SelectedIndex = 3;
Stop_comboBox.SelectedIndex = 1;
Check_comboBox.SelectedIndex = 0;
}
private void timer1_Tick(object sender, EventArgs e)
{
string[] ports = SerialPort.GetPortNames();
Sp_comboBox.Items.Clear();
foreach (string port in ports)
{
Sp_comboBox.Items.Add(port);
}
Sp_comboBox.SelectedIndex = 0;
}
private void openSp_Btn_Click(object sender, EventArgs e)
{
if (openSp_Btn.Tag == "1")
{
if (!serialPort1.IsOpen)
{
serialPort1.PortName = Sp_comboBox.Text;
serialPort1.BaudRate = int.Parse(Band_comboBox.Text);
//数据位
serialPort1.DataBits = int.Parse(Data_comboBox.Text);
//停止位
switch (Stop_comboBox.Text)
{
case "0":
serialPort1.StopBits = StopBits.None;
break;
case "1":
serialPort1.StopBits = StopBits.One;
break;
case "2":
serialPort1.StopBits = StopBits.Two;
break;
}
switch (Check_comboBox.Text)
{
case "0":
serialPort1.Parity = Parity.None;
break;
case "1":
serialPort1.Parity = Parity.Odd;
break;
case "2":
serialPort1.Parity = Parity.Even;
break;
}
try
{
//禁止操作组件
Band_comboBox.Enabled = false;
Sp_comboBox.Enabled = false;
Data_comboBox.Enabled = false;
Stop_comboBox.Enabled = false;
Check_comboBox.Enabled = false;
serialPort1.Open(); //设置完参数后打开串口
openSp_Btn.Tag = "0";
timer1.Stop();
openSp_Btn.Text = "关闭串口";
}
catch (Exception ex)
{
MessageBox.Show("串口打开失败1！" + ex.Message);
}
//serialPort1.DataReceived += new SerialDataReceivedEventHandler(SerialDataReceive); //打开串口后绑定数据接收
}
}
else
{
try
{
Sp_comboBox.Enabled = true;
Band_comboBox.Enabled = true;
Data_comboBox.Enabled = true;
Stop_comboBox.Enabled = true;
Check_comboBox.Enabled = true;
//.Enabled = true;
serialPort1.DiscardInBuffer(); //清除缓冲区的数据
serialPort1.Close();
openSp_Btn.Text = "打开串口"; //更改Close按钮文本内容
openSp_Btn.Tag = "1";
timer1.Start(); //允许操作组件
}
catch
{
MessageBox.Show("串口打开失败！");
}
}
}
//接受消息
private void serialPort1_DataReceived(object sender, SerialDataReceivedEventArgs e)
{
int len = serialPort1.BytesToRead;//获取可以读取的字节数
byte[] buff = new byte[len];//创建缓存数据数组
serialPort1.Read(buff, 0, len);//把数据读取到buff数组
string str = Encoding.Default.GetString(buff);//Byte值根据ASCII码表转为 String
current_time = System.DateTime.Now;
Invoke((new Action(() => //C# 3.0以后代替委托的新方法
{
if (HexShow_checkBox.Checked)
{
if (ShowTime_checkBox.Checked)
Show_richTextBox.AppendText("[" + current_time.ToString("yyyy-MM-dd HH:mm:ss") +
"]收→" + byteToHexStr(buff) + "\r\n");
else
Show_richTextBox.AppendText(byteToHexStr(buff));
}
else
{
if (ShowTime_checkBox.Checked)
Show_richTextBox.AppendText("[" + current_time.ToString("yyyy-MM-dd HH:mm:ss") +
"]收→" + str + "\r\n");//对话框追加显示数据
else
Show_richTextBox.AppendText(str);
}
})));
}
//清屏
private void Clear_Btn_Click(object sender, EventArgs e)
{
Show_richTextBox.Clear();
}
//字节转16进制
public static string byteToHexStr(byte[] bytes)
{
string returnStr = "";
try
{
if (bytes != null)
{
for (int i = 0; i < bytes.Length; i++)
{
returnStr += bytes[i].ToString("X2");
returnStr += " ";//两个16进制用空格隔开,方便看数据
}
}
return returnStr;
}
catch (Exception)
{
return returnStr;
}
}
//字符串转字节
private static byte[] strToToHexByte(String hexString)
{
int i;
hexString = hexString.Replace(" ", "");//清除空格
if ((hexString.Length % 2) != 0)//奇数个
{
byte[] returnBytes = new byte[(hexString.Length + 1) / 2];
try
{
for (i = 0; i < (hexString.Length - 1) / 2; i++)
{
returnBytes[i] = Convert.ToByte(hexString.Substring(i * 2, 2), 16);
}
returnBytes[returnBytes.Length - 1] = Convert.ToByte(hexString.Substring(hexString.Length - 1, 1).PadLeft(2, '0'), 16);
}
catch
{
MessageBox.Show("含有非16进制字符", "提示");
return null;
}
return returnBytes;
}
else
{
byte[] returnBytes = new byte[(hexString.Length) / 2];
try
{
for (i = 0; i < returnBytes.Length; i++)
{
returnBytes[i] = Convert.ToByte(hexString.Substring(i * 2, 2), 16);
}
}
catch
{
MessageBox.Show("含有非16进制字符", "提示");
return null;
}
return returnBytes;
}
}
//发送消息
private void Send_Btn_Click(object sender, EventArgs e)
{
sendData();
}
private void timer2_Tick(object sender, EventArgs e)
{
sendData();
}
private void AutoSend_checkBox_CheckedChanged(object sender, EventArgs e)
{
if (AutoSend_checkBox.Checked == true)
{
int time;
if (int.TryParse(AutoTime_textBox.Text, out time))
{
timer2.Interval = time;
timer2.Start();
}
else
{
// 转换失败，文本框中的内容不是有效的整数，可以进行错误处理
MessageBox.Show("请输入有效的整数作为时间值。");
AutoSend_checkBox.Checked = false;
}
}
else
{
timer2.Stop();
}
}
public void sendData()
{
current_time = System.DateTime.Now;
String Str = Send_textBox.Text.ToString();//获取发送文本框里面的数据
//if (Rn_checkBox.Checked)
// Str += "\r\n";
try
{
if (Str.Length > 0)
{
if (!HexSend_checkBox.Checked)
{
if(Rn_checkBox.Checked)
serialPort1.Write(Str + "\r\n");//串口发送数据
else
serialPort1.Write(Str);
if (ShowTime_checkBox.Checked)
Show_richTextBox.AppendText("[" + current_time.ToString("yyyy-MM-dd HH:mm:ss") +
"]发→" + Str + "\r\n");
else
Show_richTextBox.AppendText("发→" + Str);
}
else
{
byte[] byt = strToToHexByte(Str);
serialPort1.Write(byt, 0, byt.Length);
string hexString = BitConverter.ToString(byt).Replace("-", " ");
if (!ShowTime_checkBox.Checked)
Show_richTextBox.AppendText("发→" + hexString + Environment.NewLine);
else
Show_richTextBox.AppendText("[" + current_time.ToString("yyyy-MM-dd HH:mm:ss") +
"]发→" + hexString + Environment.NewLine + "\r\n");
}
}
}
catch (Exception) { }
}
private void Sp_comboBox_SelectedIndexChanged(object sender, EventArgs e)
{
timer1.Stop();
}
}
}