void worker_DoWork(object sender, DoWorkEventArgs e)
{
string line = "";
double signal;
try
{
try
{
file = new StreamReader(fileName);
}
catch (Exception)
{
// vec je otvoren fajl
}
line = file.ReadLine();
while (!(line.Contains("0.000")))
{
if (line == null)
{
break;
}
try
{
line = file.ReadLine();
}
catch (Exception)
{
return;
}
}
do
{
signal = (double.Parse(line.Split('\t')[channel]));
signal = signal / 1000;
while (!UlazniBuffer.Write(signal))
{
System.Threading.Thread.Sleep(sleepInterval);
}
} while ((line = file.ReadLine()) != null);
while (!UlazniBuffer.Write(double.PositiveInfinity))
{
System.Threading.Thread.Sleep(sleepInterval);
}
}
catch
{
}
Stop();
}
private void button2_Click(object sender, EventArgs e)
{
Int16 chan = Convert.ToInt16(textBox1.Text);
clearChart();
tip = inputfile.Split('.').Last();
UlazniBuffer.Close();
if (tip == "txt")
{
UlazniBuffer.Open(inputfile, chan, EKGFileType.TEXT);
}
else
{
UlazniBuffer.Open(inputfile, chan, EKGFileType.BINARY);
}
timer1.Start();
i = 0;
t = 0;
}
private void timer1_Tick(object sender, EventArgs e)
{
double[] a = new double[15];
UlazniBuffer.ReadMany(out a, 15);
double x;
if (tip == "dat")
{
x = (a.Last() - 1024) * 0.005;
}
else
{
x = a.Last();
}
t += 0.04;
bool check = detektor.QRSCheck(x);
if (chart1.Series[0].Points.Count < 250)
{
chart1.Series[0].Points.AddY(x);
if (check)
{
chart1.Series[0].Points.Last().Label = "QRS";
chart1.Series[0].Points.Last().LabelAngle = 90;
i++;
RR[i] = t;
BPM = (int)(60 / (RR.Sum() / 9));
t = 0;
BPMMetar.Text = BPM.ToString() + " BPM";
if (i == 9)
{
i = 0;
}
}
//ako je true dodaj marker na vrijednost kao Qrs
}
else
{
for (int i = 0; i < chart1.Series[0].Points.Count - 1; i++)
{
chart1.Series[0].Points[i] = chart1.Series[0].Points[i + 1];
}
chart1.Series[0].Points.RemoveAt(249);
chart1.Series[0].Points.AddY(x);
if (check)
{
chart1.Series[0].Points.Last().Label = "QRS";
chart1.Series[0].Points.Last().LabelAngle = 90;
i++;
RR[i] = t;
BPM = (int)(60 / (RR.Sum() / 9));
BPMMetar.Text = BPM.ToString() + " BPM";
t = 0;
if (i == 9)
{
i = 0;
}
}
//Ako je true dodaj marker na vrijednost kao Qrs
}
chart1.Update();
}
void worker_DoWork(object sender, DoWorkEventArgs e)
{
long fileLength = 0;
try
{
file = new FileStream(fileName, FileMode.Open);
reader = new BinaryReader(file);
}
catch (Exception)
{
// vec je otvoren fajl, sve je OK
}
fileLength = file.Length;
short flag = 0;
long low = 0, high = 0;
byte[] buf = { 0, 0, 0 };
for (int i = 0; i < fileLength / 3; i++)
{
for (short j = 1; j <= 2; j++)
{
switch (flag)
{
case 0:
try
{
buf = reader.ReadBytes(3);
}
catch (Exception)
{
return;
}
low = buf[1] & 0x0F;
high = buf[1] & 0xF0;
if (channel == j)
{
if (low > 7)
{
while (!UlazniBuffer.Write(Convert.ToDouble((buf[0] + (low << 8) - 4096))))
{
System.Threading.Thread.Sleep(sleepInterval);
}
}
else
{
while (!UlazniBuffer.Write(Convert.ToDouble((buf[0] + (low << 8)))))
{
System.Threading.Thread.Sleep(sleepInterval);
}
}
}
flag = 1;
break;
case 1:
if (channel == j)
{
if (high > 127)
{
while (!UlazniBuffer.Write(Convert.ToDouble(buf[2] + (high << 4) - 4096)))
{
System.Threading.Thread.Sleep(sleepInterval);
}
}
else
{
while (!UlazniBuffer.Write(Convert.ToDouble((buf[2] + (high << 4)))))
{
System.Threading.Thread.Sleep(sleepInterval);
}
}
}
flag = 0;
break;
}
}
}
while (!UlazniBuffer.Write(Double.PositiveInfinity))
{
System.Threading.Thread.Sleep(sleepInterval);
}
Stop();
}
