private void worker_DoWork(object sender, DoWorkEventArgs e)
{
while(!worker.CancellationPending)
{
if (analyzedQueue.Count >= 12)
{
var data = analyzedQueue.Take(12).ToArray();
EcgPacket packet = new EcgPacket() { Data = data };
OnProcess(packet);
analyzedQueue.RemoveRange(12);
}
Thread.Sleep(2);
}
}
private void OnProcess(EcgPacket packet)
{
if (Processed != null)
Processed(packet);
}
private void Context_Processed(EcgPacket packet)
{
foreach (var data in packet.Data)
ecgQueue.Enqueue(data);
}
private void Redraw(EcgPacket ecgPacket)
{
foreach (var data in ecgPacket.Data)
{
double y = data;
if (ChartHeart.Series[0].Points.Count < xPoints)
{
ChartHeart.Series[0].Points.AddXY(x, y);
x += delta;
}
else
{
ChartHeart.Series[0].Points[pIndex++].YValues[0] = y;
pIndex = pIndex >= xPoints ? 0 : pIndex;
}
}
ChartHeart.Invalidate();
}
private void HeartContext_Processed(EcgPacket ecgPacket)
{
if (!this.IsHandleCreated)
return;
this.BeginInvoke(new Action(() =>
{
if (rbRedraw.Checked)
Redraw(ecgPacket);
else if (rbFeedPaper.Checked)
FeedPaper(ecgPacket);
ChartHeart.ChartAreas[0].RecalculateAxesScale();
}));
}
private void FeedPaper(EcgPacket ecgPacket)
{
foreach (var data in ecgPacket.Data)
{
double y = data;
ChartHeart.Series[0].Points.AddXY(x, y);
x += delta;
}
if (ChartHeart.Series[0].Points.Count >= xPoints)
{
for (int i = 0; i < 12; i++)
ChartHeart.Series[0].Points.RemoveAt(0);
ChartHeart.ChartAreas[0].AxisX.Minimum += 12 * delta;
ChartHeart.ChartAreas[0].AxisX.Maximum = 2 + ChartHeart.ChartAreas[0].AxisX.Minimum; // 2s
}
ChartHeart.Invalidate();
}