39 lines
1.6 KiB
C#
39 lines
1.6 KiB
C#
using System.ComponentModel;
|
||
|
||
namespace System.IO.Ports;
|
||
|
||
/// <summary>
|
||
/// 学生代码只用 SerialPort.GetPortNames() 填下拉框，设备读写都走 DeviceCtrlHelper。
|
||
/// 这里返回实训台上的虚拟串口；直接读写串口不在教学范围内，调用时给出提示。
|
||
/// </summary>
|
||
public class SerialPort : Component
|
||
{
|
||
/// <summary>COM2–COM5 对应实训台上的 4017、4150、ZigBee 协调器和 LED 屏，不提供电脑自带的 COM1</summary>
|
||
private static readonly string[] VirtualPorts = { "COM2", "COM3", "COM4", "COM5" };
|
||
|
||
public SerialPort() { }
|
||
|
||
public SerialPort(string portName) => PortName = portName;
|
||
|
||
public SerialPort(string portName, int baudRate) : this(portName) => BaudRate = baudRate;
|
||
|
||
public static string[] GetPortNames() => (string[])VirtualPorts.Clone();
|
||
|
||
public string PortName { get; set; } = "COM2";
|
||
public int BaudRate { get; set; } = 9600;
|
||
public int DataBits { get; set; } = 8;
|
||
public int ReadTimeout { get; set; } = -1;
|
||
public int WriteTimeout { get; set; } = -1;
|
||
public bool IsOpen { get; private set; }
|
||
|
||
public void Open() => throw NotSupported();
|
||
public void Close() => IsOpen = false;
|
||
public void Write(string text) => throw NotSupported();
|
||
public void WriteLine(string text) => throw NotSupported();
|
||
public string ReadLine() => throw NotSupported();
|
||
public string ReadExisting() => throw NotSupported();
|
||
|
||
private static NotSupportedException NotSupported() =>
|
||
new("仿真平台不支持直接读写串口，请使用 DeviceCtrlHelper 操作实训台设备。");
|
||
}
|