| # 참고동영상 |
| https://www.youtube.com/watch?v=4yDbBJLhVso |
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.IO.Ports;
namespace ComPort
{
public partial class Form1 : Form
{
string dataOUT;
string dataIN;
public Form1()
{
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e)
{
string[] ports = SerialPort.GetPortNames();
cBoxCOMPORT.Items.AddRange(ports);
}
private void btnOpen_Click(object sender, EventArgs e)
{
try
{
serialPort1.PortName = cBoxCOMPORT.Text;
serialPort1.BaudRate = Convert.ToInt32(cBoxBaudRate.Text);
serialPort1.DataBits = Convert.ToInt32(cBoxDataBits.Text);
serialPort1.StopBits = (StopBits)Enum.Parse(typeof(StopBits), cBoxStopBits.Text);
serialPort1.Parity = (Parity)Enum.Parse(typeof(Parity), cBoxParityBits.Text);
serialPort1.DataReceived += new SerialDataReceivedEventHandler(serialPort1_DataReceived);
serialPort1.Open();
progressBar1.Value = 100;
}
catch (Exception err)
{
MessageBox.Show(err.Message,"Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
private void btnCLose_Click(object sender, EventArgs e)
{
if(serialPort1.IsOpen)
{
serialPort1.Close();
progressBar1.Value = 0;
}
}
private void btnSendData_Click(object sender, EventArgs e)
{
if (serialPort1.IsOpen)
{
dataOUT = tBoxDataOut.Text;
serialPort1.Write(dataOUT);
}
}
private void serialPort1_DataReceived(object sender, SerialDataReceivedEventArgs e)
{
dataIN = serialPort1.ReadExisting();
this.Invoke(new EventHandler(ShowData));
}
private void ShowData(object sender, EventArgs e)
{
tBoxDataIn.Text += dataIN;
}
}
}
