Re: basler camera on firewire
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From: Stefan R. <st...@s5...> - 2011-11-07 21:45:19
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On Nov 07 Stefan Richter wrote: > Old 1394-1995 hardware used to react with a short burst of bus resets every > time when something was plugged in to or out of a bus, and this burst was > followed by a self-ID-complete event. With 1394a-2000/ 1394b-2002/ > 1394-2008 compliant hardware, you typically get just one, maybe two bus > resets and then a self-ID-complete event. PS, for completeness: Briefly after this, there is often another pair of bus reset and self-ID-complete. This is when a bus manager software, e.g. the Linux driver, reconfigures the bus with better asynchronous arbitration gap settings or selected a different root node to ensure proper isochronous arbitration. Or/ and there may be another pair of bus reset and self-ID-complete when a newly switched-on node finished its boot sequence and signals to the rest of the bus that its higher functions are now ready for access. (Just to describe what kind of events should normally be seen; obviously that's not at all happening with your camera.) -- Stefan Richter -=====-==-== =-== --=== http://arcgraph.de/sr/ |