public override void read(InputBuffer ib, int channel)
{
String line = "";
decimal signal, time;
try
{
try
{
reader = new StreamReader(filename);
}
catch (Exception e1)
{
// Izuzetak pri vec otvorenom ili
// neuspjesno pokrenutim StreamReader objektom
}
line = reader.ReadLine();
while (!(line.Contains("0.000"))) //Dio koda koji pronalazi prvu liniju sa korisnim
{ //inforamcijama o vrijednosti signala tj. tacne
if (line == null) //registrovane vrijednosti signala.
{
break;
}
try
{
line = reader.ReadLine();
}
catch (Exception e2)
{
return;
}
}
do
{
signal = (decimal.Parse(line.Split('\t')[channel]));
time = (decimal.Parse(line.Split('\t')[0]));
signal = signal / 1000;
time = time / 1000; // signal je cjelobrojni na 11 bita - dijeli se sa 1000 - mV
ib.Write(time, signal); // simulacija cekanja na prekid od ulaznog uredjaja -
} while ((line = reader.ReadLine()) != null); // kad istekne vrijeme ucita sesljedeca vrijednost EKG signala
stop();
}
catch (Exception e)
{
// Catch blok glavnog try scopa
}
}
public override void read(InputBuffer ib, int channel)
{
long fileLength = 0;
try
{
file = new FileStream(filename, FileMode.Open);
reader = new BinaryReader(file);
}
catch (Exception e1)
{
MessageBox.Show(e1.ToString());
}
decimal timeStep = 1 / samplingFrequency;
fileLength = file.Length;
short flag = 0;
Int64 low = 0, high = 0;
byte[] buf = new byte[] { 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 e2)
{
return;
}
low = buf[1] & 0x0F;
high = buf[1] & 0xF0;
if (channel == j)
{
if (low > 7)
{
while (!ib.Write(sampleNum * timeStep, convertValue(buf[0] + (low << 8) - 4096, zeroADC, channelGain)))
{
;
}
}
else
{
while (!ib.Write(sampleNum * timeStep, convertValue((buf[0] + (low << 8)), zeroADC, channelGain)))
{
;
}
}
}
flag = 1;
break;
case 1:
if (channel == j)
{
if (high > 127)
{
while (!ib.Write(sampleNum * timeStep, convertValue(buf[2] + (high << 4) - 4096, zeroADC, channelGain)))
{
;
}
}
else
{
while (!ib.Write(sampleNum * timeStep, convertValue((buf[2] + (high << 4)), zeroADC, channelGain)))
{
;
}
}
}
flag = 0;
break;
}
}
}
stop();
}
