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Meridian Flip not triggering

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Replied by Chad on topic Meridian Flip not triggering

OnStep asked me to document how i got my flip too work with Ekos. If people have time read this over and make sure it is accurate.

docs.google.com/document/d/11NlWvWyI5RxN...91M/edit?usp=sharing
2 years 7 months ago #74669

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Replied by JAMIE FLINN on topic Meridian Flip not triggering

Good doc - unfortunately I have all those bases covered - been flipping for a long while and whatever is happening now is random and new - I am currently rebuilding code to see if that helps but I can tell there a race or bug in here somewhere - it seems like all the moving parts (capture/scheduler/guide etc) all need to be working perfectly for a flip to happen instead of the parts seeing the flags set and pausing operation , they juts plow on though as if a flip is not even requested - the back end of my log is nuts! - non-stop flip requests to 4 am or so when I think KSTARS crashed - luckily my limits on the mount kick in well and stop damage to the gear...but it really is odd
2 years 7 months ago #74680

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Replied by Jasem Mutlaq on topic Meridian Flip not triggering


I see the meridian flip stuck perpetually in capture and mount modules and appear to be going in some sort of loop. Not sure why, would check with Wolfgang as he might have a better idea on what's going on.
2 years 7 months ago #74683

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Replied by Wolfgang Reissenberger on topic Meridian Flip not triggering

Hi Jamie,
at 00:42:19, the mount changes from tracking to idle:
[2021-08-20T00:42:19.635 EDT DEBG ][     org.kde.kstars.ekos.mount] - Mount status changed from  "Tracking"  to  "Idle"
Are the stars in your frames really OK or do you have star trails?

If the mount is not tracking, a meridian flip is not issued - therefore the state switches back to "planned". But I think we should issue a warning message if something like this happens.
Cheers
Wolfgang
2 years 7 months ago #74684

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Replied by JAMIE FLINN on topic Meridian Flip not triggering

Last good image was prior to that - after 23:54 things go odd - so had finish 25 good frames of HA and was now moving to OIII for focus - it is intersting what you say as there IS a known issue being working on and I have JUST built form master related to state in LX200_OnStep - if the mount is not understood that could cause problems - FYI the mount itself via app control is always consitent but the known issue was that park and other status in EKOS would get screwed up..... it is really strange as juts last week with no code changes I was shooting the same area - 3 filter chages and a good flip - hence my though there is a race to check status somewhere depending on some input condiition
2 years 7 months ago #74685

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Replied by JAMIE FLINN on topic Meridian Flip not triggering

It is possible that the focus routine itself interrupts the flip and it can never get out of the loop - I will set up a test of a single filter that will not required any other work than to pause the captures and flip (like 60x300 - all night in HA for instance) - if that operates it points to an orchestration problem
2 years 7 months ago #74686

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Replied by Euripides on topic Meridian Flip not triggering

First night with stable 3.6 yesterday and I've faced a few issues. The major one was the MF that never occurred and I can see the same issue as written here. In the end, Ekos crashed.
I'm gonna watch it tonight (I was not present yesterday) but any idea would be much appreciated.

EDIT: Sorry, but system does not recognise the text as code, so I've putted as spoiler.


Warning: Spoiler!
Last edit: 1 year 8 months ago by Euripides.
1 year 8 months ago #84918

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Replied by Wolfgang Reissenberger on topic Meridian Flip not triggering

The behavior is strange. Could you please post the entire log file (maybe zipped) so that I could take a closer look?

It seems like the scope connection was lost or the scope wasn't in tracking state, therefore the meridian flip stage jumps back and forth from FLIP_PLANNED and FLIP_ACCEPTED.

But without the entire log file it's difficult to give advice.

Cheers
Wolfgang
1 year 8 months ago #84932

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Replied by Euripides on topic Meridian Flip not triggering

Yes sure, why not. Here you are.

File Attachment:

File Name: log_21-31-58.txt.zip
File Size:1,106 KB
1 year 8 months ago #84936
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Replied by Wolfgang Reissenberger on topic Meridian Flip not triggering

As expected:

[2022-08-01T23:10:19.841 EEST DEBG ][ org.kde.kstars.ekos.mount] - Mount status changed from "Tracking" to "Idle"

While the capture was running, the mount stopped tracking, that explains why nothing happened.

Nevertheless, it seems like we need to take a closer look to this situation, because it looks like KStars runs into an endless loop and might freeze.

Wolfgang
1 year 8 months ago #84937

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Replied by Euripides on topic Meridian Flip not triggering

Yoy've got to be right. Yesterday's last image when the MF should happened.



Today again, while the sky is clear, no clouds, obstructions etc. when the MF should took place I got this (I've stopped it and retarget to continue my session. :



@Jasem, is it possible by any chance this to happen after tinkering the iOptron drivers for the WIFI connection?

PS., For the record the MF to the hand controller is "flip at 0" and into Ekos Flip >0,02. I have those settings for the past year and I had no issues with the MF till now.
Last edit: 1 year 8 months ago by Euripides.
1 year 8 months ago #84944
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Replied by Jasem Mutlaq on topic Meridian Flip not triggering

Is it set to flip? I read this in the logs:

iOptron GEM28 : "[INFO] Mount Meridian Behavior: When mount reaches 0 degrees past meridian, it will stop. "
The following user(s) said Thank You: Wolfgang Reissenberger
1 year 8 months ago #84951

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