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SerialTerminal.cs
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SerialTerminal.cs
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using System;
using System.IO.Ports;
namespace DotCOM
{
public class SerialTerminal : Terminal
{
private const int READ_TIMEOUT_MS = 2000;
private SerialPort serialPort;
private readonly bool echo;
public LineEnd LineEnding { get; set; }
public SerialTerminal(ref SerialPort port, LineEnd lineEnd, bool echo)
{
serialPort = port;
serialPort.ReadTimeout = READ_TIMEOUT_MS;
serialPort.DataReceived += new SerialDataReceivedEventHandler(OnReceiveData);
LineEnding = lineEnd;
this.echo = echo;
}
public override void Init(params string[] welcomeMessages)
{
base.Init(welcomeMessages);
serialPort.Open();
string lineEnd = ConsoleUtils.GetLineEnd(LineEnding);
while (CaptureLine())
{
serialPort.Write(Buffer + lineEnd);
if (echo)
{
if (String.IsNullOrEmpty(Buffer))
{
Print("<Empty>");
}
else
{
Print(Buffer);
}
}
}
Close();
}
public override void Close()
{
IsOpen = false;
serialPort.Close();
base.Close();
}
private void OnReceiveData(object sender, SerialDataReceivedEventArgs args)
{
var port = (SerialPort) sender;
if (!port.IsOpen) return;
var data = port.ReadExisting();
if (!IsOpen) return;
Print(data);
}
}
}