60 lines
1.6 KiB
C#
60 lines
1.6 KiB
C#
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using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Data;
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using System.Drawing;
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using System.Linq;
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using System.Text;
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using System.Windows.Forms;
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using System.IO;
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using WaveReader;
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namespace Magnetic_Card_Reader
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{
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public partial class Form1 : Form
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{
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public Form1()
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{
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InitializeComponent();
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}
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private void button1_Click(object sender, EventArgs e)
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{
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int yVal;
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int lastyVal = 0;
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int currSide = 1;
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bool currStateHi = false;
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MagneticCardReader mcReader = new MagneticCardReader();
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Stream inpFile = new StreamReader(textBox1.Text).BaseStream;
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WaveData wavData = new WaveData(inpFile);
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for (int i = 0; i < wavData.NumberOfFrames; i++)
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{
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yVal = wavData.Samples[0][i];
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if (yVal > 0x7FFF) yVal -= 0xFFFF;
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//Call addNewSignalState on zero crossing:
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if (((lastyVal < yVal && currSide < 0) || (lastyVal > yVal && currSide > 0)) && (System.Math.Abs(yVal) > 0xFF))
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{
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currSide = 0;
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currStateHi = (yVal > 0xFF);
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mcReader.addNewSignalState(i, Convert.ToInt32(currStateHi));
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}
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if (lastyVal * yVal < 1)
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{
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currSide = Convert.ToInt32(!currStateHi) * 2 - 1;
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}
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lastyVal = yVal;
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}
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textBox2.Text = mcReader.getDataString();
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inpFile.Close();
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}
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}
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}
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