After a bit of debugging it seems the problems are not related to firecapture for the QHY5III462C camera:

1. cam freeze after a short period of time
2. only 30 fps

Debugging the freezing.

This helped to make it work for more than a few frames, though still breaks down after a few seconds:though, after a single stalled libusb transfer the only thing to get the camera working again is plugging it in again.
This means it's "dead"I debugged it via modifying the testapp/LiveFrameMode example from the SDK to compile on a modern linux and make it actually show more than one frame.
(I've uploaded the code for people who need it here: gist.github.com/gebi/f85de8444d81961fb432d3fa1f23ddeb )
Then set debug output to true in qhyccd.iniPartial log (full log attached)I'm at a bit of a loss here, seems really like some problem with the transfer, then the camera does not recognize the cmd and then there is the error recovering missing in the lib and possible cam firmware to get it working again sad.png
 

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