FocusLynx | Capture called while already in progress

[Hy Murveit]

Wolfgang,

FWIW, I just grepped through some logs, and I too get this message in every
log. I have a Moonlight V2 focuser.

Hy

On Wed, May 6, 2020 at 11:16 PM Wolfgang Reissenberger <
sterne-jaeger at openfuture.de> wrote:

> When running EKOS autofocus with a FocusLynx focuser, the warning "Capture
> called while already in progress“ appears in the log file. Here is a sample.
>
> [2020-05-06T22:06:56.629 CEST DEBG ][     org.kde.kstars.ekos.focus] -
> "Abs Focuser position changed to 17200"
> [2020-05-06T22:06:56.674 CEST DEBG ][   org.kde.kstars.ekos.capture] -
> setFocusStatus:  5
> [2020-05-06T22:06:56.675 CEST INFO ][     org.kde.kstars.ekos.focus] -
> "Capturing image..."
> [2020-05-06T22:06:56.676 CEST WARN ][     org.kde.kstars.ekos.focus] -
> Capture called while already in progress. Capture is ignored.
> [2020-05-06T22:06:56.726 CEST DEBG ][           org.kde.kstars.indi] - MI
> CCD G2-8300 : "[DEBUG] The Final image area is (0, 0), (3358, 2536) "
> [2020-05-06T22:06:57.624 CEST DEBG ][           org.kde.kstars.indi] - MI
> CCD G2-8300 : "[DEBUG] Taking a 5.000 seconds frame... "
> [2020-05-06T22:06:57.624 CEST DEBG ][           org.kde.kstars.indi] - MI
> CCD G2-8300 : "[DEBUG] Exposure in progress: Time left 5.00s "
> [2020-05-06T22:06:57.663 CEST DEBG ][     org.kde.kstars.ekos.focus] -
> "processFocusNumber FOCUS_TEMPERATURE ERROR"
> [2020-05-06T22:06:57.665 CEST DEBG ][     org.kde.kstars.ekos.focus] -
> "processFocusNumber ABS_FOCUS_POSITION OK"
> [2020-05-06T22:06:57.665 CEST DEBG ][     org.kde.kstars.ekos.focus] -
> "Abs Focuser position changed to 17200"
> [2020-05-06T22:06:57.673 CEST WARN ][     org.kde.kstars.ekos.focus] -
> Capture called while already in progress. Capture is ignored.
> [2020-05-06T22:06:58.626 CEST DEBG ][           org.kde.kstars.indi] - MI
> CCD G2-8300 : "[DEBUG] Exposure in progress: Time left 4.00s "
> [2020-05-06T22:06:58.673 CEST WARN ][     org.kde.kstars.ekos.focus] -
> Capture called while already in progress. Capture is ignored.
> [2020-05-06T22:06:58.700 CEST DEBG ][     org.kde.kstars.ekos.focus] -
> "processFocusNumber FOCUS_TEMPERATURE ERROR"
> [2020-05-06T22:06:58.702 CEST DEBG ][     org.kde.kstars.ekos.focus] -
> "processFocusNumber ABS_FOCUS_POSITION OK"
> [2020-05-06T22:06:58.702 CEST DEBG ][     org.kde.kstars.ekos.focus] -
> "Abs Focuser position changed to 17200"
>
> The problem seems to be that FocusLynx reports ABS_FOCUS_POSITION with
> every refresh, i.e. typically once a second, even if the position did not
> change. See
> void FocusLynxBase::TimerHit()
>
>
> On the other side, the EKOS focus module tries to issue a capture() at any
> time it receives ABS_FOCUS_POSITION with status OK:
>
> void Focus::processFocusNumber(INumberVectorProperty *nvp)
>
> {
>
> …
>
>     if (!strcmp(nvp->name, "ABS_FOCUS_POSITION"))
>
>     {
>
> …
>
>         if (canAbsMove && inAutoFocus)
>
>         {
>
>             autoFocusProcessPositionChange(nvp->s);
>
>         }
>
>
> where autoFocusProcessPositionChange() triggers
>
>             QTimer::singleShot(FocusSettleTime->value() * 1000, this, &Ekos::Focus::capture);
>
>
>
> My question here is where we should fix it. From my perspective, the behavior of FocusLynx is OK and we should capture this situation within EKOS focus.cpp
>
>
> Any opinions?
>
>
> Wolfgang
>
>
>
>
>
>
>
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