Quectel em12-g minimal kernel version
Alexander Dydychkin
alexander.dydychkin at vicuesoft.com
Tue Jun 29 08:41:47 UTC 2021
Alexander, thanks for your answers.
> qmi-firmware-update can only work with Sierra modules for now. For
> Quectel modules like the EM12 the procedure is slightly different, and
> they're not yet integrated there. If someone is interested in having
> that added, let me know.
Considering this I am interested. Do you have any info on how to do that?
Or initial draft (because I already saw some Quectel-specific code in the
qmi-firmware-update)?
I want to know the scope of this task to make an estimate if I can do it in
a reasonable amount of time.
вт, 29 июн. 2021 г. в 10:58, Aleksander Morgado <aleksander at aleksander.es>:
> Hey,
>
> > Nicholas Smith, how do you change the mode manually?
> > I try to:
> > sudo flock -x /dev/ttyUSB2 minicom -D /dev/ttyUSB2
> >
> > AT!ENTERCND="A710"
> > AT!USBCOMP="1,3,10D"
> > AT!RESET
> >
> > But it does not help.
>
> Those previous commands are for Sierra modules, not Quectel modules.
>
> > In addition am I correct that I can re-flash the Quectel only by using
> qmu-firmware-update?
> >
>
> qmi-firmware-update can only work with Sierra modules for now. For
> Quectel modules like the EM12 the procedure is slightly different, and
> they're not yet integrated there. If someone is interested in having
> that added, let me know.
>
> >
> > Bjørn Mork considering the qmicli:
> >
> > sudo mbimcli -d /dev/cdc-wdm2 --query-device-services
> > Service: 'qmi'
> > UUID: [d1a30bc2-f97a-6e43-bf65-c7e24fb0f0d3]:
> > DSS payload: 0
> > Max DSS instances: 0
> > CIDs: msg (1)
> >
>
> Yes.
>
> > So it seems that it should work but:
> > sudo qmicli -p -d /dev/cdc-wdm2 --device-open-mbim
> --nas-get-signal-strength
> > [/dev/cdc-wdm2] Successfully got signal strength
> > Current:
> > Network 'umts': '-110 dBm'
> > RSSI:
> > Network 'umts': '-110 dBm'
> > ECIO:
> > Network 'umts': '-15.0 dBm'
> > IO: '-106 dBm'
> > SINR (8): '9.0 dB'
> >
>
> That means QMI over MBIM actually works.
>
> > Yes, it is ok but the commands like:
> > sudo qmicli -p -d /dev/cdc-wdm2 --device-open-mbim
> --dms-list-stored-images
> > error: couldn't list stored images: QMI protocol error (57):
> 'Wms.InvalidMessageId'
> > They do not work. Is it a bug or am I doing something not correctly?
>
> That just means the module you're playing with doesn't support that
> specific DMS List Stored Images command. If it's a Quectel module, I
> would say it's common, I don't think I've seen any Quectel module
> supporting that command.
>
> --
> Aleksander
> https://aleksander.es
>
--
With best regards,
Alexander
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.freedesktop.org/archives/libqmi-devel/attachments/20210629/e7500587/attachment.htm>
More information about the libqmi-devel
mailing list