public void Start()
{
logger.Trace("Starting collecting the waveform");
device = new Device(0, new Address(12, 96));
device.Write("*IDN?");
string data = device.ReadString();
logger.Trace(String.Format("the scope infomation:{0}",data));
string channel = "CH1";
device.Reset();
device.Write(string.Format("DAT:SOU {0}",channel));
device.Write("DAT:ENC RIB;WID 1");
device.Write("DAT:STAR 1");
device.Write("DAT:STOP 2500");
device.Write("HEAD OFF");
device.Write("ACQ:STATE RUN");
logger.Trace(string.Format("Waveform from {0}", channel));
///get wave parameters
CurveMetaData meta = new CurveMetaData();
device.Write("WFMPre:WFId?");
meta.CurveId = device.ReadString();
device.Write("WFMPre:Xincr?");
meta.Xincr = Convert.ToDouble(device.ReadString());
device.Write("WFMPre:Xzero?");
meta.Xzero = Convert.ToDouble(device.ReadString());
device.Write("WFMPre:PT_Off?");
meta.Ptoff = Convert.ToDouble(device.ReadString());
device.Write("WFMPre:Ymult?");
meta.YMult = Convert.ToDouble(device.ReadString());
device.Write("WFMPre:Yoff?");
meta.Yoff = Convert.ToDouble(device.ReadString());
device.Write("WFMPre:YZero?");
meta.Yzero = Convert.ToDouble(device.ReadString());
logger.Trace(string.Format("Waveform metadata : {0}", JsonConvert.SerializeObject(meta)));
cts = new CancellationTokenSource();
ct = cts.Token;
curveNumber = 0;
Task.Factory.StartNew(() =>
{
while (true)
{
if (!ct.IsCancellationRequested)
{
try
{
device.Write("Curv?");
device.ReadByteArray(1);
int count = Convert.ToInt32(System.Text.Encoding.ASCII.GetString(device.ReadByteArray(1)));
int npt = Convert.ToInt32(System.Text.Encoding.ASCII.GetString(device.ReadByteArray(count)));
Byte[] waveform = device.ReadByteArray(npt);
data = device.ReadString();
CurveData curvedata = new CurveData()
{
MetaData = meta,
Points = new List<CurvePoint>(),
Orginal = new List<int>()
};
// int length = Convert.ToInt32(data[1].ToString());
for (int j = 0; j < npt; j++)
{
int pointData = (int)waveform[j];
curvedata.Orginal.Add(pointData);
CurvePoint point = new CurvePoint()
{
X = meta.Xzero + meta.Xincr * (j-meta.Ptoff),
Y = meta.Yzero + meta.YMult * (pointData - meta.Yoff)
};
curvedata.Points.Add(point);
//sum up
if (curveNumber == 0)
{
sumDData.Add(point);
}
else
{
sumDData[j].Y += point.Y;
}
}
logger.Trace(string.Format("raw:{0}", JsonConvert.SerializeObject(curvedata.Orginal)));
logger.Trace(string.Format("converted:{0}", JsonConvert.SerializeObject(curvedata.Points)));
Clients.All.getData(curvedata);
curveNumber++;
}
catch (Exception)
{
}
finally
{
device.Clear();
Thread.Sleep(1000);
}
}
else
{
Debug.WriteLine("cancelled!");
break;
}
}
}, ct);
}
public void Start()
{
logger.Trace("Starting collecting the waveform");
device = new Device(0, new Address(12, 96));
device.Write("*IDN?");
string data = device.ReadString();
logger.Trace(String.Format("the scope infomation:{0}", data));
string channel = "CH1";
device.Reset();
device.Write(string.Format("DAT:SOU {0}", channel));
device.Write("DAT:ENC RIB;WID 1");
device.Write("DAT:STAR 1");
device.Write("DAT:STOP 2500");
device.Write("HEAD OFF");
device.Write("ACQ:STATE RUN");
logger.Trace(string.Format("Waveform from {0}", channel));
///get wave parameters
CurveMetaData meta = new CurveMetaData();
device.Write("WFMPre:WFId?");
meta.CurveId = device.ReadString();
device.Write("WFMPre:Xincr?");
meta.Xincr = Convert.ToDouble(device.ReadString());
device.Write("WFMPre:Xzero?");
meta.Xzero = Convert.ToDouble(device.ReadString());
device.Write("WFMPre:PT_Off?");
meta.Ptoff = Convert.ToDouble(device.ReadString());
device.Write("WFMPre:Ymult?");
meta.YMult = Convert.ToDouble(device.ReadString());
device.Write("WFMPre:Yoff?");
meta.Yoff = Convert.ToDouble(device.ReadString());
device.Write("WFMPre:YZero?");
meta.Yzero = Convert.ToDouble(device.ReadString());
logger.Trace(string.Format("Waveform metadata : {0}", JsonConvert.SerializeObject(meta)));
cts = new CancellationTokenSource();
ct = cts.Token;
curveNumber = 0;
Task.Factory.StartNew(() =>
{
while (true)
{
if (!ct.IsCancellationRequested)
{
try
{
device.Write("Curv?");
device.ReadByteArray(1);
int count = Convert.ToInt32(System.Text.Encoding.ASCII.GetString(device.ReadByteArray(1)));
int npt = Convert.ToInt32(System.Text.Encoding.ASCII.GetString(device.ReadByteArray(count)));
Byte[] waveform = device.ReadByteArray(npt);
data = device.ReadString();
CurveData curvedata = new CurveData()
{
MetaData = meta,
Points = new List <CurvePoint>(),
Orginal = new List <int>()
};
// int length = Convert.ToInt32(data[1].ToString());
for (int j = 0; j < npt; j++)
{
int pointData = (int)waveform[j];
curvedata.Orginal.Add(pointData);
CurvePoint point = new CurvePoint()
{
X = meta.Xzero + meta.Xincr * (j - meta.Ptoff),
Y = meta.Yzero + meta.YMult * (pointData - meta.Yoff)
};
curvedata.Points.Add(point);
//sum up
if (curveNumber == 0)
{
sumDData.Add(point);
}
else
{
sumDData[j].Y += point.Y;
}
}
logger.Trace(string.Format("raw:{0}", JsonConvert.SerializeObject(curvedata.Orginal)));
logger.Trace(string.Format("converted:{0}", JsonConvert.SerializeObject(curvedata.Points)));
Clients.All.getData(curvedata);
curveNumber++;
}
catch (Exception)
{
}
finally
{
device.Clear();
Thread.Sleep(1000);
}
}
else
{
Debug.WriteLine("cancelled!");
break;
}
}
}, ct);
}