设置超时以检查是否从c#中的串口接收数据

using System;
using System.IO.Ports;

class Program
{
    static void Main(string[] args)
    {
        // 创建SerialPort对象
        SerialPort serialPort = new SerialPort("COM1", 9600, Parity.None, 8, StopBits.One);

        try
        {
            // 设置超时时间为1000毫秒
            serialPort.ReadTimeout = 1000;

            // 打开串口
            serialPort.Open();

            // 检查是否有可用的数据
            if (serialPort.BytesToRead > 0)
            {
                // 读取串口接收到的数据
                string data = serialPort.ReadExisting();
                Console.WriteLine("Received data: " + data);
            }
            else
            {
                Console.WriteLine("No data received within the timeout period.");
            }
        }
        catch (TimeoutException)
        {
            Console.WriteLine("Timeout occurred while waiting for data.");
        }
        catch (Exception ex)
        {
            Console.WriteLine("Error occurred: " + ex.Message);
        }
        finally
        {
            // 关闭串口
            serialPort.Close();
        }

        Console.ReadLine();
    }
}