132 lines
4.6 KiB
C#
132 lines
4.6 KiB
C#
using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Data;
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using System.Drawing;
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using System.IO.Ports;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows.Forms;
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namespace 测试串口收发
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{
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public partial class Form1 : Form
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{
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private SerialPort serialPort;
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private SerialPort serialPort2;
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public Form1()
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{
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InitializeComponent();
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// 初始化SerialPort对象
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serialPort = new SerialPort();
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serialPort2=new SerialPort();
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// 配置串口参数
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serialPort.PortName = "COM5"; // 替换为你的串口端口号
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serialPort.BaudRate = 9600;
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serialPort.Parity = Parity.None;
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serialPort.DataBits = 8;
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serialPort.StopBits = StopBits.One;
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// 订阅DataReceived事件（可选，用于接收数据）
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serialPort.DataReceived += new SerialDataReceivedEventHandler(SerialPort_DataReceived);
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serialPort2.PortName = "COM6"; // 替换为你的串口端口号
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serialPort2.BaudRate = 9600;
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serialPort2.Parity = Parity.None;
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serialPort2.DataBits = 8;
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serialPort2.StopBits = StopBits.One;
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// 订阅DataReceived事件（可选，用于接收数据）
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serialPort2.DataReceived += new SerialDataReceivedEventHandler(SerialPort_DataReceived2);
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// 获取所有显示屏的信息
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var screens = Screen.AllScreens;
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// 检查是否有至少两块显示屏
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if (screens.Length >= 2)
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{
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// 获取第二块显示屏的信息
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var secondScreen = screens[1];
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// 设置窗口在第二块显示屏上的位置和大小
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this.StartPosition = FormStartPosition.Manual;
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this.Location = new System.Drawing.Point(secondScreen.Bounds.X, secondScreen.Bounds.Y);
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// 可选：调整窗口大小以匹配第二块显示屏（如果需要）
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// this.Size = secondScreen.Bounds.Size;
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}
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else
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{
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// 如果没有第二块显示屏，则默认在主屏幕上显示
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this.StartPosition = FormStartPosition.CenterScreen;
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}
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}
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private void SerialPort_DataReceived(object sender, SerialDataReceivedEventArgs e)
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{
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string data = serialPort.ReadExisting();
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this.Invoke(new Action(() =>
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{
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textBox1.Text = data;
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}));
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// 注意：这里使用MessageBox只是为了演示，实际使用时可能需要更新UI控件，注意线程安全
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}
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private void SerialPort_DataReceived2(object sender, SerialDataReceivedEventArgs e)
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{
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string data = serialPort2.ReadExisting();
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this.Invoke(new Action(() =>
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{
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textBox2.Text = data;
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}));
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// 注意：这里使用MessageBox只是为了演示，实际使用时可能需要更新UI控件，注意线程安全
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}
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private void button1_Click(object sender, EventArgs e)
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{
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if (serialPort.IsOpen)
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{
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// 发送字符"X"
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serialPort.WriteLine("X");
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serialPort2.WriteLine("X");
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// 如果需要发送单个字符，可以使用 serialPort.Write("X"[0]); 或 serialPort.Write('X');
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MessageBox.Show("已发送字符'X'！");
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}
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else
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{
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MessageBox.Show("串口未打开！");
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}
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}
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private void button3_Click(object sender, EventArgs e)
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{
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// 打开串口
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try
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{
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serialPort.Open();
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serialPort2.Open();
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MessageBox.Show("串口已打开！");
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}
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catch (Exception ex)
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{
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MessageBox.Show("打开串口失败：" + ex.Message);
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}
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}
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private void button2_Click(object sender, EventArgs e)
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{
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if (serialPort.IsOpen)
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{
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// 发送字符"X"
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serialPort.WriteLine("Z");
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serialPort2.WriteLine("Z");
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// 如果需要发送单个字符，可以使用 serialPort.Write("X"[0]); 或 serialPort.Write('X');
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MessageBox.Show("已发送字符'Z'！");
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}
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else
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{
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MessageBox.Show("串口未打开！");
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}
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}
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}
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}
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