public async ValueTask DisposeAsync()
{
var stopCts = Interlocked.Exchange(ref StopCts, null !);
if (stopCts != null)
{
return;
}
try {
StopCts.Cancel();
}
catch {
// Dispose shouldn't throw exceptions
}
await ReaderTask.SuppressExceptions().ConfigureAwait(false);
await WriterTask.SuppressExceptions().ConfigureAwait(false);
try {
}
catch {
// Dispose shouldn't throw exceptions
}
finally {
if (OwnsWebSocket)
{
WebSocket.Dispose();
}
}
}
/// <summary>
/// Sets the position of the galvo.
/// </summary>
/// <param name="x"></param>
/// <param name="y"></param>
public virtual void SetPosition(double x, double y, bool async = false)
{
ConfigureTask(1);
IsWriting = true;
if (WriterTask.IsDone)
{
WriterTask.Start();
}
MCWriter.WriteSingleSample(false, new double[] { x, y });
System.Threading.Thread.Sleep(10);
IsWriting = false;
}
public virtual void WriteScan(double[,] positions, bool async = true,
string triggerSource = null, DigitalEdgeStartTriggerEdge edge = DigitalEdgeStartTriggerEdge.Rising)
{
// Go to initial position. (before the scan starts);
SetPosition(positions[0, 0], positions[0, 1]);
// Confugyre the task and force recration of the task.
ConfigureTask(positions.GetLength(1) * positions.GetLength(0), true);
// If there is a trigger source then we are currently waiting to writer trigger.
if (triggerSource != null)
{
WriterTask.Triggers.StartTrigger.ConfigureDigitalEdgeTrigger(triggerSource, edge);
IsWaitingForWriteStartEvent = false;
IsWriting = true;
}
else
{
IsWaitingForWriteStartEvent = true;
IsWriting = false;
}
// define the start action.
TotalScanTicks = positions.GetLength(1);
MCWriter.WriteMultiSample(false, positions);
//MCWriter.BeginWriteMultiSample(false, positions, (IAsyncResult rslt) =>
//{
// //CallWriteScanEnd();
//}, null);
if (WriterTask.IsDone)
{
WriterTask.Start();
}
CallStartScanEvent();
if (triggerSource != null)
{
CallStartScanEvent();
}
if (!async)
{
while (IsWriting || IsWaitingForWriteStartEvent)
{
System.Threading.Thread.Sleep(10);
}
}
}
