private void WriterTask_SampleClock(object sender, SampleClockEventArgs e)
{
try
{
if (IsWaitingForWriteStartEvent)
{
IsWaitingForWriteStartEvent = false;
IsWriting = true;
CallStartScanEvent();
return;
}
if (!IsWriting)
{
return;
}
if (!WriterTask.IsDone)
{
ScanPosition = WriterTask.Stream.TotalSamplesGeneratedPerChannel;
}
if (ScanPosition >= TotalScanTicks)
{
CallWriteScanEnd();
}
}
catch (Exception ex)
{
LastError = ex;
}
}
/// <summary>
/// This event handler will be called when a task on this server receives a sample clock.
/// We only want to consume the first such event. It will be used to start and software timed
/// operations on this server.
///
/// NOTE: This method never worked well, and is not no longer in use. Polling the buffer position with a monitoring
/// thread ended up working much better. See softwareTaskTriggerPollingFunction()
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
void triggerSoftwareTimedTasks(object sender, SampleClockEventArgs e)
{
messageLog(this, new MessageEvent("******** triggerSoftwareTimedTasks(...) was called. This function is no longer supported. How did you get here? ********"));
displayError();
/*
lock (softTrigLock)
{
if (!softwareTimedTasksTriggered)
{
lock (softwareTriggeringTaskLock)
{
// first order of business is to remove this event handler so it doesn't get overwhelmed
softwareTriggeringTask.SampleClock -= triggerSoftwareTimedTasks;
}
softwareTimedTasksTriggered = true;
//ok. Now trigger the tasks.
foreach (GpibTask gp in gpibTasks.Values)
{
gp.Start();
}
foreach (RS232Task rs in rs232Tasks.Values)
{
rs.Start();
}
foreach (RfsgTask rf in rfsgTasks.Values)
{
rf.Start();
}
messageLog(this, new MessageEvent("Software timed tasks triggered by " + serverSettings.DeviceToSyncSoftwareTimedTasksTo));
}
else
{
softwareTimedTriggerCount++;
if (softwareTimedTriggerCount % 10 == 0)
{
messageLog(this, new MessageEvent("Ignored " + softwareTimedTriggerCount + " duplicate software-timed task triggers."));
}
}
}*/
}
