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| using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
namespace SimpleSerial
{
public partial class Form1 : Form
{
// Add this variable
string RxString;
public Form1()
{
InitializeComponent();
}
private void buttonStart_Click(object sender, EventArgs e)
{
serialPort1.PortName = "COM2";
serialPort1.BaudRate = 9600;
label1.Text = "Control Temperature : OK";
serialPort1.Open();
if (serialPort1.IsOpen)
{
buttonStart.Enabled = false;
buttonStop.Enabled = true;
textBox1.ReadOnly = false;
textBox2.ReadOnly = false;
textBox3.ReadOnly = false;
textBox4.ReadOnly = false;
}
}
private void buttonStop_Click(object sender, EventArgs e)
{
if (serialPort1.IsOpen)
{
serialPort1.Close();
buttonStart.Enabled = true;
buttonStop.Enabled = false;
textBox1.ReadOnly = true;
textBox2.ReadOnly = true;
textBox3.ReadOnly = true;
textBox4.ReadOnly = true;
led1.Value = false;
led2.Value = false;
led3.Value = false;
}
}
private void Form1_FormClosing(object sender, FormClosingEventArgs e)
{
if (serialPort1.IsOpen) serialPort1.Close();
}
public void DiscardOutBuffer() { }
private void DisplayText(object sender, EventArgs e)
{
textBox1.AppendText(RxString);
long x = Convert.ToInt64(RxString);
serialPort1.DiscardInBuffer();
thermometer1.Value = Convert.ToInt64(x);
}
private void serialPort1_DataReceived(object sender, System.IO.Ports.SerialDataReceivedEventArgs e)
{
RxString = serialPort1.ReadExisting();
this.Invoke(new EventHandler(DisplayText));
}
private void Form1_Load(object sender, EventArgs e)
{
}
private void textBox2_TextChanged(object sender, EventArgs e)
{
}
}
} |
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