101 lines
2.9 KiB
C#
101 lines
2.9 KiB
C#
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using System;
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using System.Diagnostics;
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using System.Threading;
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using System.IO.Ports;
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using System.Text.RegularExpressions;
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namespace RfidClass
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{
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public class RFIDReaderClass
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{
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private Thread t;
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private SerialPort s;
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private long id;
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private bool _stop;
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private Exception e;
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public RFIDReaderClass(string com)
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{
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this.t = new Thread(this.reader);
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s = new SerialPort(com, 9600, Parity.None, 8, StopBits.One);
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}
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private void reader()
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{
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while (!_stop)
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{
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Process r = new Process();
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r.StartInfo.FileName = "librfid-tool.exe";
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r.StartInfo.Arguments = "-s";
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r.StartInfo.UseShellExecute = false;
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r.StartInfo.RedirectStandardOutput = true;
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r.StartInfo.RedirectStandardError = true;
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try
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{
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r.Start();
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}
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catch (Exception exeption)
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{
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this.e = exeption;
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return;
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}
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string a = r.StandardOutput.ReadToEnd();
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string err = r.StandardError.ReadToEnd();
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if (err.Contains("No OpenPCD found either"))
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{
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this.e = new Exception("No OpenPCD found");
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return;
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}
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if (a.Contains("Layer 2 success") && a.Contains("Protocol success"))
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{
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string ids = a.Substring(a.IndexOf("):")+2,13);
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ids = Regex.Replace(ids.Trim(), @"[^0-9a-fA-F]", "");
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try
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{
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this.id = Int64.Parse(ids, System.Globalization.NumberStyles.HexNumber);
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}
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catch (Exception exeption)
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{
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this.e = exeption;
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return;
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}
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}
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Thread.Sleep(1000);
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}
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}
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public long readKey()
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{
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this.t = new Thread(this.reader);
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this.id = 0;
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this._stop = false;
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try
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{
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this.s.Open();
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}
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catch (Exception exeption)
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{
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//throw exeption;
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}
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this.t.Start();
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while (!this.t.IsAlive) ;
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while (this.t.IsAlive)
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{
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if (this.id != 0 || this.e != null)
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{
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this._stop = true;
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}
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}
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if (this.e != null)
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{
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throw this.e;
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}
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return this.id;
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}
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public void abort()
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{
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this._stop = true;
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}
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}
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}
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