コマンドをシリアル ポートのリストに送信し、戻り値を RichTextBox に表示するシステムがあります。私が 10 個のシリアル ポートを持っていたとき、プログラムはうまく機能していましたが、現在は約 60 個のポートを使用しており、次のエラーが返されます。
Problem signature:
Problem Event Name: CLR20r3
Problem Signature 01: jporttestot.exe
Problem Signature 02: 1.0.0.0
Problem Signature 03: 51db05c7
Problem Signature 04: System
Problem Signature 05: 4.0.0.0
Problem Signature 06: 4ba1dff4
Problem Signature 07: 3140
Problem Signature 08: b3
Problem Signature 09: System.TimeoutException
OS Version: 6.1.7601.2.1.0.256.1
Locale ID: 1046
Additional Information 1: 0a9e
Additional Information 2: 0a9e372d3b4ad19135b953a78882e789
Additional Information 3: 0a9e
Additional Information 4: 0a9e372d3b4ad19135b953a78882e789
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以下は私のコードです：
public partial class Form1 : Form
{
List<SerialPort> serialPort = new List<SerialPort>();
private delegate void SetTextDeleg(string text);
public Form1()
{
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e)
{
int baudRate = Convert.ToInt32(txtBaudRate.Text);
var portNames = SerialPort.GetPortNames();
foreach (var port in portNames)
{
SerialPort sp;
sp = new SerialPort(port, baudRate, Parity.None, 8, StopBits.One);
sp.Handshake = Handshake.None;
sp.DataReceived += new SerialDataReceivedEventHandler(sp_DataReceived);
sp.ReadTimeout = 500;
sp.WriteTimeout = 500;
serialPort.Add(sp);
listPorts.Items.Add(port);
}
}
private void listPorts_SelectedIndexChanged(object sender, EventArgs e)
{
}
private void button1_Click_1(object sender, EventArgs e)
{
boxLogs.Text = "";
String comando = txtComando.Text.Trim();
foreach (var sp in serialPort)
{
// Open port
try
{
if (!sp.IsOpen)
sp.Open();
//sp.Write("at\r\n");
sp.Write("at\r\n");
}
catch (Exception ex)
{
boxLogs.Text = "Erro ao abrir/escrever na porta serial :: " + ex.Message +"\n";
}
}
}
void sp_DataReceived(object sender, SerialDataReceivedEventArgs e)
{
Thread.Sleep(500);
SerialPort sp = (SerialPort)sender;
string data = sp.ReadLine();
data = sp.ReadLine();
this.BeginInvoke(new SetTextDeleg(si_DataReceived), new object[] { sp.PortName + " - Retorno: " + data });
}
private void si_DataReceived(string data)
{
String retorno = data.Trim();
boxLogs.Text += retorno + "\n";
}
private void txtComando_TextChanged(object sender, EventArgs e)
{
}
private void txtBaudRate_TextChanged(object sender, EventArgs e)
{
}
}