54 lines
1.2 KiB
C#
54 lines
1.2 KiB
C#
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using System;
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using System.IO.Ports;
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namespace OMControl.Services;
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public class SerialPortService : IDisposable
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{
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private SerialPort? _serialPort;
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public bool IsOpen => _serialPort?.IsOpen == true;
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public event Action<string>? DataReceived;
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public void Open(string portName, int baudRate = 9600)
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{
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if (IsOpen) return;
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_serialPort = new SerialPort(portName, baudRate)
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{
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NewLine = "\n",
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ReadTimeout = 1000,
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WriteTimeout = 1000
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};
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_serialPort.DataReceived += OnDataReceived;
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_serialPort.Open();
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}
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public void Close()
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{
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if (_serialPort == null) return;
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_serialPort.DataReceived -= OnDataReceived;
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_serialPort.Close();
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_serialPort.Dispose();
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_serialPort = null;
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}
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public void Send(string data)
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{
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if (!IsOpen || _serialPort == null) return;
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_serialPort.WriteLine(data);
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}
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private void OnDataReceived(object sender, SerialDataReceivedEventArgs e)
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{
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try
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{
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var data = _serialPort?.ReadLine();
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if (data != null) DataReceived?.Invoke(data);
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}
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catch { }
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}
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public void Dispose() => Close();
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}
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