iotgateway/Plugins/Drivers/DriverModbusTCP/NModbus4/SerialPortAdapter.cs

72 lines
1.7 KiB
C#

namespace Modbus.Serial
{
using System;
using System.Diagnostics;
using System.IO.Ports;
using global::Modbus.IO;
/// <summary>
/// Concrete Implementor - http://en.wikipedia.org/wiki/Bridge_Pattern
/// </summary>
public class SerialPortAdapter : IStreamResource
{
private const string NewLine = "\r\n";
private SerialPort _serialPort;
public SerialPortAdapter(SerialPort serialPort)
{
Debug.Assert(serialPort != null, "Argument serialPort cannot be null.");
_serialPort = serialPort;
_serialPort.NewLine = NewLine;
}
public int InfiniteTimeout
{
get { return SerialPort.InfiniteTimeout; }
}
public int ReadTimeout
{
get { return _serialPort.ReadTimeout; }
set { _serialPort.ReadTimeout = value; }
}
public int WriteTimeout
{
get { return _serialPort.WriteTimeout; }
set { _serialPort.WriteTimeout = value; }
}
public void DiscardInBuffer()
{
_serialPort.DiscardInBuffer();
}
public int Read(byte[] buffer, int offset, int count)
{
return _serialPort.Read(buffer, offset, count);
}
public void Write(byte[] buffer, int offset, int count)
{
_serialPort.Write(buffer, offset, count);
}
public void Dispose()
{
Dispose(true);
GC.SuppressFinalize(this);
}
protected virtual void Dispose(bool disposing)
{
if (disposing)
{
_serialPort?.Dispose();
_serialPort = null;
}
}
}
}