private void button1_Click(object sender, EventArgs e)
{
int yVal;
int lastyVal = 0;
int currSide = 1;
bool currStateHi = false;
MagneticCardReader mcReader = new MagneticCardReader();
Stream inpFile = new StreamReader(textBox1.Text).BaseStream;
WaveData wavData = new WaveData(inpFile);
for (int i = 0; i < wavData.NumberOfFrames; i++)
{
yVal = wavData.Samples[0][i];
if (yVal > 0x7FFF)
{
yVal -= 0xFFFF;
}
//Call addNewSignalState on zero crossing:
if (((lastyVal < yVal && currSide < 0) || (lastyVal > yVal && currSide > 0)) && (System.Math.Abs(yVal) > 0xFF))
{
currSide = 0;
currStateHi = (yVal > 0xFF);
mcReader.addNewSignalState(i, Convert.ToInt32(currStateHi));
}
if (lastyVal * yVal < 1)
{
currSide = Convert.ToInt32(!currStateHi) * 2 - 1;
}
lastyVal = yVal;
}
textBox2.Text = mcReader.getDataString();
inpFile.Close();
}
private void button1_Click(object sender, EventArgs e)
{
int yVal;
int lastyVal = 0;
int currSide = 1;
bool currStateHi = false;
MagneticCardReader mcReader = new MagneticCardReader();
Stream inpFile = new StreamReader(textBox1.Text).BaseStream;
WaveData wavData = new WaveData(inpFile);
for (int i = 0; i < wavData.NumberOfFrames; i++)
{
yVal = wavData.Samples[0][i];
if (yVal > 0x7FFF) yVal -= 0xFFFF;
//Call addNewSignalState on zero crossing:
if (((lastyVal < yVal && currSide < 0) || (lastyVal > yVal && currSide > 0)) && (System.Math.Abs(yVal) > 0xFF))
{
currSide = 0;
currStateHi = (yVal > 0xFF);
mcReader.addNewSignalState(i, Convert.ToInt32(currStateHi));
}
if (lastyVal * yVal < 1)
{
currSide = Convert.ToInt32(!currStateHi) * 2 - 1;
}
lastyVal = yVal;
}
textBox2.Text = mcReader.getDataString();
inpFile.Close();
}
