//--------------------------------------------//
#endregion
#region DataReceived
//--------------------------------------------//
private void port_DataReceived(object sender, SerialDataReceivedEventArgs e)
{
SerialPort currentPort = (SerialPort)sender;
Thread.Sleep(200);
try
{
String sign = currentPort.ReadLine();
switch (sign)
{
case "a": //port parmeters changed
currentPort.DiscardInBuffer(); // discard current data, if exsist
TopMessageBox.AppendText("Controller Parameters changed !");
closePort(); //close the port
ChangePara.Enabled = true; // enabled change in pc parametrs
SendPara.Enabled = false;
ControllerParaChange = true; // the controller has change his parameters
break;
case "l": //recieve list of files
FileListBox.BeginInvoke(new EventHandler(delegate { FileListBox.Items.Clear(); }));
string list = currentPort.ReadLine();
if (list == " ")
{
FileListBox.Items.Add("No files");
}
else
{
while (list != ">") // ='>'.
{
FileListBox.BeginInvoke(new EventHandler(delegate { FileListBox.Items.Add(list.ToString()); }));
Thread.Sleep(150);
list = currentPort.ReadLine();
}
}
break;
case "U": // Recieve controler port parameters - optional
string parameters = "Baud rate : " + currentPort.ReadLine() + " BPS, "
+ currentPort.ReadLine() + " Data bits,";
parameters += " 1 Start," + StopBit.ToString() + " Stop bit,";
currentPort.ReadLine();
parameters += currentPort.ReadLine() + " Parity";
sign = currentPort.ReadLine(); // for the final signal '>'
TopMessageBox.AppendText(parameters);
break;
case "S": // Recieve file
string current = currentPort.ReadExisting();
current = current.Substring(0, current.Length - 3); // dont save the last char '>' and 0x1A
string path = PathBox.Text;
string namefile = FileName.Text + ".txt";
int Duplicate = 0;
try
{
while (File.Exists(Path.Combine(path, namefile)))
{
Duplicate++;
namefile = FileName.Text + Duplicate.ToString() + ".txt";
}
using (FileStream fileToSave = File.Create(Path.Combine(path, namefile)))
{
Byte[] data = new UTF8Encoding(true).GetBytes(current);
fileToSave.Write(data, 0, data.Length);
}
TopMessageBox.AppendText("File saved !");
}
catch { TopMessageBox.AppendText("Error oucerd !"); }
break;
case "D":
TopMessageBox.AppendText("File saved in the controller ! \n");
currentPort.ReadLine();
break;
default: // discard current data, if exsist
currentPort.ReadExisting();
break;
}
}
catch { port.DiscardInBuffer(); }
}