unfortunately, I made the experience that the Indi driver for touptek cameras works very unreliable and I'm very frustrated now, because I have tried all kinds of problem solving attempts with no success but would really like to use Indi and EKOS for my setup. Really, I like EJOS a lot and would like to cobtinue using it.

Why do I think it is a problem of the driver?
1) it works reliably with Windows 10 and the exact same hardware (Lenovo Thinkpad, dual-boot), same cables, USB hub, other gear...
2) my two QHYCCD cameras (QHY 5II-L, QHY 168C) work fine with the same cables, USB hub, EKOS version
3) same problems with either Intel notebook or RPI4 (astroberry 2.04, 4GB RAM)

What is the problem exactly?
Usually after power on, boot , Indiserver start and connect it does work. I can take a picture with the touptek camera (usually 2x binned), plate-solve, take a picture again etc. Then I start guiding using the QHY camera and try to focus the main camera. This usually involves a changed exposure time, gain, binning and subframing. On the first attempt this usually works, sometimes the first failures (exposure timeout, rexposure attempt #2, final timeout) start to appear. Then I take the first test picture with the final imaging parameters but a short exposure time of a few seconds. In maybe 20% of the evenings this does work, but almost never as it should. The exposure starts counting down and just before download finishs a long break occurs. In lucky evenings the FITS viewer will appear and everything is fine if nothing major changes, I can do my exposure series. Unfortunately most of the time nothing will happen. The download will never start or if started will stop a few hundreths of a second before finishing. After waiting for some time, I can stop and redo the exposure. Usually with the same result. Sometimes reloading the driver, reconnecting using the Indi panel or changing some parameters will help after many, many tries but most of the time only a reboot will reliably make it wokr again for some time. Even if it works, any change like going back to focusing or plate solve will trigger the problem again.

What can I do to help solving the problem?
I have tried all kinds of permutations of hardware (new cable, hub, RPI4) and software (local Linux, remote Linux, remote Windows client) March version, January version. The error message about the exposure timeout does not help. I was unable to activate the debug mode, maybe that could help.

Any further recommendations?

Markus

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