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USB HID events sometimes dropped, missing key releases, etc. #84

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petejohanson opened this issue Aug 11, 2020 · 1 comment
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USB HID events sometimes dropped, missing key releases, etc. #84

petejohanson opened this issue Aug 11, 2020 · 1 comment
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bug Something isn't working core Core functionality/behavior of ZMK

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@petejohanson
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The Zephyr USB stack doesn't implement any queue-ing of endpoint writes, so if ZMK attempts to send any HID updates while there's an active write occurring, it may fail. There is a small "retry" tried, but no real queue that is saved while waiting for the write to complete.

Implementing this will help be sure no USB updates are dropped.
@petejohanson petejohanson added bug Something isn't working core Core functionality/behavior of ZMK labels Aug 11, 2020
@careyk007 careyk007 mentioned this issue Aug 16, 2020
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@petejohanson
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Fixed by #93, thanks @careyk007 !

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