QMI Message for Network Survey

Daniele Palmas dnlplm at gmail.com
Fri Jun 16 07:44:58 UTC 2023


Hi Richard,

Il giorno ven 16 giu 2023 alle ore 08:36 Richard Genoud
<richard.genoud at gmail.com> ha scritto:
>
> Hi,
>
> Le 15/06/2023 à 12:18, Richard Genoud a écrit :
> > Le 15/06/2023 à 09:36, Daniele Palmas a écrit :
> >> Hello Richard,
> >>
> >> Il giorno mer 14 giu 2023 alle ore 14:52 Richard Genoud
> >> <richard.genoud at gmail.com> ha scritto:
> >>>
> >>> Hi all,
> >>>
> >>> On Telit modems, there's an AT command AT#CSURVC that dumps informations
> >>> on all surrounding cells.
> >>> e.g. :
> >>> <uarfcn>,<rxLev>,<mcc>,<mnc>,<scrcode>,<cellId>,<lac>,<cellStat>,<rscp>,<ecio>
> >>>
> >>> I tried to find some specification on the Qualcomm MSM Interface listing
> >>> the messages IDs but without success.
> >>>
> >>> Do anyone has access to this kind of information ?
> >>>
> >>
> >> I suggest you send this request to Telit technical support: maybe the
> >> information you are looking for is available also on a custom Telit
> >> QMI request, so it would be easy to add support for that in libqmi.
> >>
> >> If, instead, they are related to Qualcomm requests, it could be more
> >> difficult due to NDA/licensing issues.
>
> For the record, I contacted Telit tech-support and they told me that it
> can't be done with QMI.
>
> They just proposed to use modemmanager in debug mode and issue the
> AT#CSURVC command :/
>
> Anyway, I guess I'll have to stop modemmanager, issue the command and
> restart it after.
>

if you are using one of the high-cat models (e.g. FN990, FN980...) MR
at https://gitlab.freedesktop.org/mobile-broadband/libqmi/-/merge_requests/365
could probably help you.

The ATR service is, however, not yet supported in low-cat ones (e.g. LE910Cx).

Regards,
Daniele


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