ارتباط با پورت سریال در سی شارپ
سلام
ارتباط با پورت سریال در سی شارپ
شاید این تاپیک تکراری باشد فقط به منظور دسترسی راحتر در اختیار دوستان قرار داه شده است
public partial class Form1 : Form
{
SerialPort _serialPort;
// delegate is used to write to a UI control from a non-UI thread
private delegate void SetTextDeleg(string text);
private void Form1_Load(object sender, EventArgs e)
{
// all of the options for a serial device
// can be sent through the constructor of the SerialPort class
// PortName = "COM1", Baud Rate = 19200, Parity = None,
// Data Bits = 8, Stop Bits = One, Handshake = None
_serialPort = new SerialPort("COM1", 19200, Parity.None, 8, StopBits.One);
_serialPort.Handshake = Handshake.None;
_serialPort.DataReceived += new SerialDataReceivedEventHandler(sp_DataReceived);
_serialPort.ReadTimeout = 500;
_serialPort.WriteTimeout = 500;
_serialPort.Open();
}
private void btnStart_Click(object sender, EventArgs e)
{
// Makes sure serial port is open before trying to write
try
{
if(!_serialPort.IsOpen)
_serialPort.Open();
_serialPort.Write("SI\r\n");
}
catch (Exception ex)
{
MessageBox.Show("Error opening/writing to serial port :: " + ex.Message, "Error!");
}
}
void sp_DataReceived(object sender, SerialDataReceivedEventArgs e)
{
Thread.Sleep(500);
string data = _serialPort.ReadLine();
this.BeginInvoke(new SetTextDeleg(si_DataReceived), new object[] { data });
}
private void si_DataReceived(string data)
{
textBox1.Text = data.Trim();
}
}
لینک منبع
http://www.kaksouri.blogfa.com/post-143.aspx
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