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INDI Library v1.9.2 Released (14 Sep 2021)

Bimonthly Stable INDI Library release introduces new drivers and fixes for existing ones.

Pegasus DMFC: No Backlash setting [SOLVED]

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Hi,
I just installed my new Pegasus DMFC. It works with the indi_dmfc_focus Version 1.0. So I tried to setup the backlash... BUT there is no setting for it. On the INDI webside there should be a button for backlash.

     

Perhaps someone can help me to find the settings for backlash.

I'm using stellarmate with the current updates (kstars 3.5.3, Indi 1.9.0)
3 months 4 days ago #72377
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+1
It used to be there, but is gone since a while. I still have it defined in my profile, so I get a warning on connect
2021-06-19T21:33:29: [WARNING] Focuser backlash must be enabled first. 
But as for you, there's no button to enable/set it anywhere :(
openSUSE Tumbleweed KStars git INDI git
GPDX+EQMOD, CEM60EC, ASI2600/1600/290mini+EFW+EAF
3 months 1 day ago #72486

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Maybe you need to use "Pegasus FocusCube" and not "Pegasus DMFC" ?
Jasem Mutlaq
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3 months 1 day ago #72487

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Hmm, I seem to remember that the two differ in some commands, and the DMFC doesn't work with that driver. But I'll have a try (after tonights session).

Though I wouldn't understand why it has been removed from the DMFC driver (I've used it for 3 years or so, with BL).
openSUSE Tumbleweed KStars git INDI git
GPDX+EQMOD, CEM60EC, ASI2600/1600/290mini+EFW+EAF
3 months 1 day ago #72488

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I first tried the FocusCube driver but it was not possible to connect to the device. I think this is a correct behaviour, because in that case I use a DMFC and not a Focus Cube. I use this combination:
www.astroshop.de/motoren-steuerungen/peg...ermotor-dmfc/p,53309
www.astroshop.de/motoren-steuerungen/peg...2-universal-/p,63045

The dmfc driver works well with the setup except the fact that backlash (and backward/forward) doesnt exist.
3 months 1 day ago #72504

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@jasem
The focus cube and the DMFC are two completely different devices and so are the drivers, you can’t use the focus cube driver with a bare motor, you need the DMFC driver, and the guys are correct, the backlash setting has gone….
Stellarmate OS on Raspberry pi4b
Skywatcher EQ8 pro, on steel pier
Takahashi FSQ85, FS60cb & Meade 8” SCT (de-forked)
Starlight Xpress SXVR H18, SXVR M25c, Lodestar x2 Guide Camera
Pegasus Ultimate Hub V2 for all USB & Power
Pegasus focus motors on all scopes
Last edit: 3 months 1 day ago by AstroNerd.
3 months 1 day ago #72506

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Is it possible to (re-)integrate the backlash? Maybe it would be good to also (re-)integrate the "normal/reverse" function? It is still shown on the INDI webside indilib.org/focusers/pegasus-dmfc.html
 
3 months 1 day ago #72508
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OK, some additional info.  I compile my stuff as RPM packages, and keep them around for a while.  So I used the old versions to connect to the DMFC using
indiserver indi_dmfc_focus
followed by some
indi_setprop "Pegasus DMFC.CONNECTION.CONNECT=On"
indi_getprop
Old versions still list both settings:
Pegasus DMFC.FOCUS_REVERSE_MOTION.INDI_ENABLED=Off
Pegasus DMFC.FOCUS_REVERSE_MOTION.INDI_DISABLED=On
Pegasus DMFC.FOCUS_BACKLASH_TOGGLE.INDI_ENABLED=Off
Pegasus DMFC.FOCUS_BACKLASH_TOGGLE.INDI_DISABLED=On
Pegasus DMFC.FOCUS_BACKLASH_STEPS.FOCUS_BACKLASH_VALUE=1
The last version that does this is called libindi-1.9.0-21_gd9a5e309, i.e., based on commit d9a5e309 as of March 11.
The following one i have, 1.9.0-92_gbd9110b4 (April 1), has the device renamed to "Pegasus DMFC Device", but I cannot get it to connect to the DMFC.  Next one is 1.9.0-106_g95a492dc (Apr 18).  There the name is back to "Pegasus DMFC", it connects, but both REVERSE and BACKLASH settings are gone.
Hope that makes it easier to pin down the guilty commit.
 
openSUSE Tumbleweed KStars git INDI git
GPDX+EQMOD, CEM60EC, ASI2600/1600/290mini+EFW+EAF
3 months 1 day ago #72510

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Is it possible to get this fixed in INDI 1.9.1? I'm planning to buy another Pegasus Focus Kit for my DMFC... I dont know if I would need the reverse and backlash function in the new setup...
2 months 4 weeks ago #72607

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I just tried indi 1.9.1, still the same, no backlash and reverse button.

Was the change only in the nightly?
2 months 3 weeks ago #72721

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This is very odd, I just tested here and can see both backlash and reverse. Make sure you don't have anything lurking in /usr/local/bin
Jasem Mutlaq
Support INDI & Ekos; Get StellarMate Astrophotography Gadget.
How to Submit Logs when you have problems?
Add your observatory info
Last edit: 2 months 3 weeks ago by Jasem Mutlaq.
2 months 3 weeks ago #72778

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Yesterday I tried both the stable channel (with all updates so far, I'm using stellarmate) and the beta channel. Same outcome: no backlash and reverse.
2 months 3 weeks ago #72786

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