public int StartSRActionAndWait(DataSourceIdentifier dsid, SROp op, int setpt = -1, int runtime = -1)
{
SRControlThread srct;
int res = SR.SUCCESS;
if (threads.ContainsKey(dsid))
{
srct = threads[dsid];
if (srct == null || !srct.IsBusy)
{
return(res);
}
try
{
if (setpt >= 0)
{
srct.SRCtrl.HVSet(setpt, runtime);
}
srct.op = op;
// tell caller to wait, then kick the thread into action
srct.callwait.Reset();
// tell the thread to go ahead
srct.opgate.Set();
// caller will now wait for completion
srct.callwait.Wait(srct.cts.Token);
// fire the operation completed event here, consciously placed out of the executing SR service thread context
srct.SROpCompletedEvent(srct.status);
}
catch (OperationCanceledException)
{
}
finally
{
res = srct.SRCtrl.LastMeasStatus;
}
}
return(res);
}
public void SetAction(DataSourceIdentifier dsid, SROp op)
{
SRControlThread srct;
if (threads.ContainsKey(dsid))
{
srct = threads[dsid];
if (!srct.IsBusy)
{
return;
}
srct.op = op;
// tell caller to wait, then kick the waiting thread into action
srct.callwait.Reset();
srct.opgate.Set();
}
}
public SROpCompletedEventArgs(SROp op, int statusNow, object userState)
{
Op = op;
OpStatus = statusNow;
UserState = userState;
}
public void Shutdown()
{
op = SROp.Shutdown;
CancelMe();
}
public int StartSRActionAndWait(DataSourceIdentifier dsid, SROp op, int setpt = -1, int runtime = -1)
{
SRControlThread srct;
int res = SR.SUCCESS;
if (threads.ContainsKey(dsid))
{
srct = threads[dsid];
if (srct == null || !srct.IsBusy)
return res;
try
{
if (setpt >= 0)
srct.SRCtrl.HVSet(setpt, runtime);
srct.op = op;
// tell caller to wait, then kick the thread into action
srct.callwait.Reset();
// tell the thread to go ahead
srct.opgate.Set();
// caller will now wait for completion
srct.callwait.Wait(srct.cts.Token);
// fire the operation completed event here, consciously placed out of the executing SR service thread context
srct.SROpCompletedEvent(srct.status);
}
catch (OperationCanceledException)
{
}
finally
{
res = srct.SRCtrl.LastMeasStatus;
}
}
return res;
}
// a general idea of what to do next in an SR processing sequence
public static SROp NextOp(SROp thisOp, int curStatus)
{
SROp next = SROp.Nothing;
switch (thisOp)
{
case SROp.Shutdown:
next = SROp.Nothing;
break;
case SROp.Nothing:
next = SROp.InitializeContext;
break;
case SROp.InitializeContext:
next = SROp.InitializeSR;
break;
case SROp.InitializeSR:
if (curStatus != sr_h.SR_SUCCESS) // status here is an sr.h machine code only
{
next = SROp.CloseSR;
}
else
{
next = SROp.StartSRDAQ;
}
break;
case SROp.StartSRDAQ:
if (curStatus != SR.MEAS_CONTINUE) // MEAS_ABORT or MEAS_TERMINATE
{
next = SROp.StartSRDAQ;
}
else
{
next = SROp.CloseSR;
}
break;
case SROp.WaitForResults:
if ((curStatus == SR.ZERO_COUNT_TIME) || (curStatus == SR.SR_TRY_AGAIN)) // dev note: empty cycles are eliminated by this step
{
next = SROp.StartSRDAQ;
}
else if (curStatus != SR.SUCCESS) // MEAS_ABORT or MEAS_TERMINATE
{
next = SROp.CloseSR;
}
else
{
next = SROp.CloseSR;
}
break;
case SROp.CloseSR:
next = SROp.Shutdown;
break;
}
return(next);
}
public void SetAction(DataSourceIdentifier dsid, SROp op)
{
SRControlThread srct;
if (threads.ContainsKey(dsid))
{
srct = threads[dsid];
if (!srct.IsBusy)
return;
srct.op = op;
// tell caller to wait, then kick the waiting thread into action
srct.callwait.Reset();
srct.opgate.Set();
}
}
public void Shutdown()
{
op = SROp.Shutdown;
CancelMe();
}
public SROpCompletedEventArgs(SROp op, int statusNow, object userState)
{
Op = op;
OpStatus = statusNow;
UserState = userState;
}
// a general idea of what to do next in an SR processing sequence
public static SROp NextOp(SROp thisOp, int curStatus)
{
SROp next = SROp.Nothing;
switch (thisOp)
{
case SROp.Shutdown:
next = SROp.Nothing;
break;
case SROp.Nothing:
next = SROp.InitializeContext;
break;
case SROp.InitializeContext:
next = SROp.InitializeSR;
break;
case SROp.InitializeSR:
if (curStatus != sr_h.SR_SUCCESS) // status here is an sr.h machine code only
next = SROp.CloseSR;
else
next = SROp.StartSRDAQ;
break;
case SROp.StartSRDAQ:
if (curStatus != SR.MEAS_CONTINUE) // MEAS_ABORT or MEAS_TERMINATE
next = SROp.StartSRDAQ;
else
next = SROp.CloseSR;
break;
case SROp.WaitForResults:
if ((curStatus == SR.ZERO_COUNT_TIME) || (curStatus == SR.SR_TRY_AGAIN)) // dev note: empty cycles are eliminated by this step
{
next = SROp.StartSRDAQ;
}
else if (curStatus != SR.SUCCESS) // MEAS_ABORT or MEAS_TERMINATE
{
next = SROp.CloseSR;
}
else
{
next = SROp.CloseSR;
}
break;
case SROp.CloseSR:
next = SROp.Shutdown;
break;
}
return next;
}
public SRControlThread(int count, LMLoggers.LognLM log, Measurement meas, Detector det)
{
op = SROp.Nothing;
SRCtrl = new SRControl(count, log, meas, det);
opgate = new ManualResetEventSlim(false);
callwait = new ManualResetEventSlim(false);
cts = new CancellationTokenSource();
}
