using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.IO.Ports;
using System.Threading;
namespace Read
{
public partial class Form1 : Form. {
public SerialPort serialPort2;
delegate void HandleInterfaceUpdateDelegate(string text); //委托，此为重点
HandleInterfaceUpdateDelegate interfaceUpdateHandle;
public Form1()
{
InitializeComponent();
InitCOM("COM4");
}
/// <summary>
/// 串口接收通信配置方法
/// </summary>
/// <param name="PortName"></param>
public void InitCOM(string PortName)
{
interfaceUpdateHandle = new HandleInterfaceUpdateDelegate(UpdateTextBox); //实例化委托对象
serialPort2 = new SerialPort(PortName, 9600, Parity.None, 8, StopBits.One);
serialPort2.DataReceived += new SerialDataReceivedEventHandler(serialPort2_DataReceived);//DataReceived事件委托
serialPort2.ReceivedBytesThreshold = 1;
serialPort2.RtsEnable = true;
OpenPort();
label1.Text = label1.Text+serialPort2.PortName;
label2.Text = label2.Text + serialPort2.BaudRate.ToString();
label3.Text = label3.Text + serialPort2.DataBits.ToString();
label4.Text = label4.Text + serialPort2.StopBits.ToString();
label5.Text = label5.Text + serialPort2.Parity.ToString();
comboBox1.Text = serialPort2.PortName;
comboBox2.Text = serialPort2.BaudRate.ToString();
comboBox3.Text = serialPort2.DataBits.ToString();
comboBox4.Text = serialPort2.StopBits.ToString();
comboBox5.Text = serialPort2.Parity.ToString();
}
/// <summary>
/// 数据显示方法
/// </summary>
/// <param name="text"></param>
private void UpdateTextBox(string text)
{
textBox1.Text = text;
}
/// <summary>
/// 数据接收事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void serialPort2_DataReceived(object sender, SerialDataReceivedEventArgs e)
{
Thread.Sleep(2000);
byte[] readBuffer = new byte[serialPort2.ReadBufferSize];
serialPort2.Read(readBuffer, 0, readBuffer.Length);
this.Invoke(interfaceUpdateHandle, new string[] { Encoding.UTF8.GetString(readBuffer, 0, 100) });
}
//public static string ByteArrayToHexString(byte[] data)//字节数组转为十六进制字符串
//{
// StringBuilder sb = new StringBuilder(data.Length * 3);
// foreach (byte b in data)
// sb.Append(Convert.ToString(b, 16).PadLeft(2, '0').PadRight(3, ' '));
// return sb.ToString().ToUpper();
//}
//打开串口的方法
public void OpenPort()
{
try
{
serialPort2.Open();
}
catch { }
if (serialPort2.IsOpen)
{
Console.WriteLine("the port is opened!");
}
else
{
Console.WriteLine("failure to open the port!");
}
}
//关闭串口的方法
public void ClosePort()
{
serialPort2.Close();
if (!serialPort2.IsOpen)
{
Console.WriteLine("the port is already closed!");
}
}
/// <summary>
/// 窗体加载事件
/// </summary>
/// <param name="sender">事件参数</param>
/// <param name="e">窗体</param>
private void Form1_Load(object sender, EventArgs e)
{
}
private void button1_Click(object sender, EventArgs e)
{
try
{
SendCommand(textBox2.Text);
textBox1.Text = "";
MessageBox.Show("数据发送成功！", "系统提示");
}
catch
{
MessageBox.Show("发送失败！");
}
}
//向串口发送数据
public void SendCommand(string CommandString)
{
byte[] WriteBuffer = Encoding.ASCII.GetBytes(CommandString);
serialPort2.Write(WriteBuffer, 0, WriteBuffer.Length);
}
}
}
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.IO.Ports;
using System.Threading;
namespace Send
{
public partial class Form1 : Form. {
public SerialPort serialPort2;
public Form1()
{
InitializeComponent();
InitCOM("COM4");
}
/// <summary>
/// 串口发送通信配置方法
/// </summary>
/// <param name="PortName"></param>
public void InitCOM(string PortName)
{
serialPort2 = new SerialPort(PortName,9600,Parity.None,8,StopBits.One);
OpenPort();
comboBox1.Text = serialPort2.PortName;
comboBox2.Text = serialPort2.BaudRate.ToString();
comboBox3.Text = serialPort2.DataBits.ToString();
comboBox4.Text = serialPort2.StopBits.ToString();
comboBox5.Text = serialPort2.Parity.ToString();
}
/// <summary>
/// 发送按钮事件
/// </summary>
/// <param name="sender">事件参数</param>
/// <param name="e">按钮</param>
private void button1_Click(object sender, EventArgs e)
{
try
{
SendCommand(textBox1.Text);
textBox1.Text = "";
MessageBox.Show("数据发送成功！", "系统提示");
}
catch
{
MessageBox.Show("发送失败！");
}
}
//打开串口的方法
public void OpenPort()
{
try
{
serialPort2.Open();
}
catch { }
if (serialPort2.IsOpen)
{
Console.WriteLine("the port is opened!");
}
else
{
Console.WriteLine("failure to open the port!");
}
}
//关闭串口的方法
public void ClosePort()
{
serialPort2.Close();
if (!serialPort2.IsOpen)
{
Console.WriteLine("the port is already closed!");
}
}
//向串口发送数据
public void SendCommand(string CommandString)
{
byte[] WriteBuffer = Encoding.ASCII.GetBytes(CommandString);
serialPort2.Write(WriteBuffer, 0, WriteBuffer.Length);
}
/// <summary>
/// 窗体加载事件
/// </summary>
/// <param name="sender">事件参数</param>
/// <param name="e">窗体</param>
private void Form1_Load(object sender, EventArgs e)
{
}
}
}
admin - 1年前