Hi everyone,
Following on Sébastien's previous mail, it seems that this "HID
slowness" is not restricted to the HIMS eMotion brailledisplay. I
actually managed to produce the same issue using a Brailliant BI 20X and
40X models from HumanWare, that also use HID Braille protocols.
Therefore, does anyone on this list has a HumanWare Brailliant BI
20X/40X display, and if so, is this issue reproducible on your device?
(meaning, having a 1-second delay between a keypress on the display, and
the corresponding action being done).
If not, I'm trying to find some time to borrow a HID-Braille device to
do some more tests, maybe in a few weeks.
Cheers,
Yannick
Le 04/03/2025 à 09:11, Mattia Scattolin a écrit :
Hello,
I have a Braille emotion and find the same problem.
Also there is a problem with multi key navigation for example to go at
beginning of screen the multi key doesn’t work in both modes
Il giorno 3 mar 2025, alle ore 17:15, Sébastien Hinderer
<[email protected]> ha scritto:
Hello,
Yannick and I happened to meet at one of our national distributor's
office. We tested an eMotion device from HIMS whichwe found rather nice,
ergonomically speaking.
In terms of USB connectivity, two modes of connection are supported:
legacy and HID. Although both modes do work with BRLTTY, we noticed
that, in HID mode there is considerably more latency than in USB legacy
mode. For example, the round-trip time between a keypress and the
corresponding update of the braille display nears the second while it is
much shorter in USB (without being of great reactiveness but we think
this is an internal problem).
Any suggestion on what could be done to improve the situation?
Best wishes,
Seb.
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