[RFC] Keeping send-delay for all RS232 ttys only?

Daniele Palmas dnlplm at gmail.com
Tue May 4 15:01:40 UTC 2021


Hi Aleksander,

Il giorno mar 4 mag 2021 alle ore 00:34 Aleksander Morgado
<aleksander at aleksander.es> ha scritto:
>
> Hey Dan & all,
>
> The send-delay property allows us to send the characters in an AT
> command one by one, with some delay in between them. Right now the
> default configuration of the send-delay property is 100ms unless
> explicitly disabled, as it's done in several plugins.
>
> I'm wondering whether it makes sense to keep this logic as it is, or
> change the defaults a bit; e.g. we could keep the logic for plain
> RS232 modems but assume that all USB/PCI modems will be fine without
> the send delay.
>
> What do you all think?
>

I agree, USB modems should be working fine without the send delay.

> P.S. this comes in the context of this bug, which to me is due to a
> firmware issue or limitation, but anyway:
> https://gitlab.freedesktop.org/mobile-broadband/ModemManager/-/issues/354
>

Odd, I did not see this with FN980: wondering if this is something
related to a specific Qualcomm baseline...

Regards,
Daniele

> --
> Aleksander
> https://aleksander.es
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