13 replies

Weird timestamps on wireless Corne

I noticed some weird duplicated keys from time to time and started investigate with

wev

wev

. I have two keyboards, a typeractive wireless Corne, which is the one with the bug, and another one, fully wired. I type

st

st

on my keyboard by pressing s, pressing t, releasing s and releasing t. Both keyboards use similar debounce values, hold on other key press, etc.

Here is the

wev

wev

output for the wired keyboard:

[        16:     wl_keyboard] key: serial: 5594128; time: 133721911; key: 45; state: 1 (pressed)
                      sym: s            (115), utf8: 's'
[        16:     wl_keyboard] key: serial: 5594129; time: 133721912; key: 44; state: 1 (pressed)
                      sym: t            (116), utf8: 't'
[        16:     wl_keyboard] key: serial: 5594130; time: 133721913; key: 45; state: 0 (released)
                      sym: s            (115), utf8: ''
[        16:     wl_keyboard] key: serial: 5594131; time: 133721931; key: 44; state: 0 (released)
                      sym: t            (116), utf8: ''

[        16:     wl_keyboard] key: serial: 5594128; time: 133721911; key: 45; state: 1 (pressed)
                      sym: s            (115), utf8: 's'
[        16:     wl_keyboard] key: serial: 5594129; time: 133721912; key: 44; state: 1 (pressed)
                      sym: t            (116), utf8: 't'
[        16:     wl_keyboard] key: serial: 5594130; time: 133721913; key: 45; state: 0 (released)
                      sym: s            (115), utf8: ''
[        16:     wl_keyboard] key: serial: 5594131; time: 133721931; key: 44; state: 0 (released)
                      sym: t            (116), utf8: ''

Notice how the timestamps of each key are strictly increasing.

Here is the output for the wired keyboard:

[        16:     wl_keyboard] key: serial: 5596547; time: 133780271; key: 45; state: 1 (pressed)
                      sym: s            (115), utf8: 's'
[        16:     wl_keyboard] key: serial: 5596548; time: 133780271; key: 44; state: 1 (pressed)
                      sym: t            (116), utf8: 't'
[        16:     wl_keyboard] key: serial: 5596549; time: 133780271; key: 45; state: 0 (released)
                      sym: s            (115), utf8: ''
[        16:     wl_keyboard] key: serial: 5596550; time: 133780301; key: 44; state: 0 (released)
                      sym: t            (116), utf8: ''

[        16:     wl_keyboard] key: serial: 5596547; time: 133780271; key: 45; state: 1 (pressed)
                      sym: s            (115), utf8: 's'
[        16:     wl_keyboard] key: serial: 5596548; time: 133780271; key: 44; state: 1 (pressed)
                      sym: t            (116), utf8: 't'
[        16:     wl_keyboard] key: serial: 5596549; time: 133780271; key: 45; state: 0 (released)
                      sym: s            (115), utf8: ''
[        16:     wl_keyboard] key: serial: 5596550; time: 133780301; key: 44; state: 0 (released)
                      sym: t            (116), utf8: ''

Notice how three keys have the exact same timestamp. I highly suspect that this is causing issues in software, as I already found some weird behavior on wayland applications. I thought it was a bluetooth bug, but maybe it’s time?

Typeractive.xyz•2mo ago•

13 replies

hadronized

Weird timestamps on wireless Corne

I noticed some weird duplicated keys from time to time and started investigate with

wev

wev

. I have two keyboards, a typeractive wireless Corne, which is the one with the bug, and another one, fully wired. I type

st

st

on my keyboard by pressing s, pressing t, releasing s and releasing t. Both keyboards use similar debounce values, hold on other key press, etc.

Here is the

wev

wev

output for the wired keyboard:

[        16:     wl_keyboard] key: serial: 5594128; time: 133721911; key: 45; state: 1 (pressed)
                      sym: s            (115), utf8: 's'
[        16:     wl_keyboard] key: serial: 5594129; time: 133721912; key: 44; state: 1 (pressed)
                      sym: t            (116), utf8: 't'
[        16:     wl_keyboard] key: serial: 5594130; time: 133721913; key: 45; state: 0 (released)
                      sym: s            (115), utf8: ''
[        16:     wl_keyboard] key: serial: 5594131; time: 133721931; key: 44; state: 0 (released)
                      sym: t            (116), utf8: ''

[        16:     wl_keyboard] key: serial: 5594128; time: 133721911; key: 45; state: 1 (pressed)
                      sym: s            (115), utf8: 's'
[        16:     wl_keyboard] key: serial: 5594129; time: 133721912; key: 44; state: 1 (pressed)
                      sym: t            (116), utf8: 't'
[        16:     wl_keyboard] key: serial: 5594130; time: 133721913; key: 45; state: 0 (released)
                      sym: s            (115), utf8: ''
[        16:     wl_keyboard] key: serial: 5594131; time: 133721931; key: 44; state: 0 (released)
                      sym: t            (116), utf8: ''

Notice how the timestamps of each key are strictly increasing.

Here is the output for the wired keyboard:

[        16:     wl_keyboard] key: serial: 5596547; time: 133780271; key: 45; state: 1 (pressed)
                      sym: s            (115), utf8: 's'
[        16:     wl_keyboard] key: serial: 5596548; time: 133780271; key: 44; state: 1 (pressed)
                      sym: t            (116), utf8: 't'
[        16:     wl_keyboard] key: serial: 5596549; time: 133780271; key: 45; state: 0 (released)
                      sym: s            (115), utf8: ''
[        16:     wl_keyboard] key: serial: 5596550; time: 133780301; key: 44; state: 0 (released)
                      sym: t            (116), utf8: ''

[        16:     wl_keyboard] key: serial: 5596547; time: 133780271; key: 45; state: 1 (pressed)
                      sym: s            (115), utf8: 's'
[        16:     wl_keyboard] key: serial: 5596548; time: 133780271; key: 44; state: 1 (pressed)
                      sym: t            (116), utf8: 't'
[        16:     wl_keyboard] key: serial: 5596549; time: 133780271; key: 45; state: 0 (released)
                      sym: s            (115), utf8: ''
[        16:     wl_keyboard] key: serial: 5596550; time: 133780301; key: 44; state: 0 (released)
                      sym: t            (116), utf8: ''

Weird timestamps on wireless Corne

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