[Letux-kernel] pyra wwan

Michael Mrozek EvilDragon at openpandora.org
Fri Aug 2 17:56:55 CEST 2019


Am Freitag, den 02.08.2019, 16:50 +0200 schrieb H. Nikolaus Schaller:

Hi,

here is a thread about the ModemManager and the Cinterion PLS8 from
2013:
https://lists.freedesktop.org/archives/modemmanager-devel/2015-August/002162.html

Just follow the "Next Message" threads.
They got it to work, just didn't have ModemManager properly setup.

Maybe that helps :)

> Hi,
> 
> > Am 02.08.2019 um 16:17 schrieb aTc <atc at k-n-p.org>:
> > 
> > Hi,
> > 
> > I got some extra sim cards to play with the modem a bit, but can't
> > really find any docs on how to get a data connection going.
> > 
> > I found the AT command specification, and the hardware interface
> > description, and from that side everything seems to connect and
> > respond fine, but nothing really for the steps required after that
> > on the linux side of things.
> > 
> > The letux wwan script also doesn't help here, with just a #todo and
> > it sending a command to get the module voltage in the pyra section.
> > 
> > It would be nice to know what all these ttyACM and wwan0/1 ethernet
> > ports are for, and how to use them properly.
> > 
> > Do you have any more docs/sdk stuff from gemalto on this ?
> 
> Unfortunatley, there isn't much more than the AT commands. And the
> 3GPP standards.
> The ttyACM ports are for AT commands - some do echo others don't. And
> some can send unsolicited messages.
> Allare more or less running in parallel. They have some predefined
> purposes "Application", "NMEA", "Modem".
> 
> So usually user-space uses some middleware taking care of all the AT
> commands and talking to the modem though one of the ttyACM ports.
> Examples of such middleware are FSO and ofono or RIL (Android).
> 
> The root/pin, root/dial and root/tam scripts do that with pure shell
> scripts and show several commands.
> 
> There is also https://github.com/akemnade/simple-gsmgui
> 
> But this all is for telephony and not data.
> 
> There is the root/wwan script and indeed it has only a stub for the
> Gemalto modem because I didn't find time to finish it and setup data
> connections myself.
> 
> The wwan ports seem to be instantiated automatically by the kernel
> because the module appears to support some standard-USB protocol.
> There is no special setup to make that happen. Maybe Ethernet over
> USB? But I do not know. I think dmesg and maybe /sys reveals
> something about these network interfaces and which driver is
> responsible.
> 
> So I think it could suffice to ifconfig up and add some routing table
> to make them work.
> Maybe it also needs some AT command to connect in 2G, 3G or 4G data
> mode. This should be in the list of AT commands.
> 
> The general approach should not be extremely different from the
> OPTION GTM601, just the vendor private AT commands differ.
> 
> Hope this helps to move a little forward.
> 
> BR,
> Nikolaus
> 
> _______________________________________________
> Kernel mailing list
> Kernel at pyra-handheld.com
> http://pyra-handheld.com/cgi-bin/mailman/listinfo/kernel
> 
-- 
Mit freundlichen Grüßen,

Michael Mrozek

-----------------------
OpenPandora GmbH
Geschäftsführer: Michael Mrozek

Schäffbräustr. 11
85049 Ingolstadt
Deutschland
Tel.: 0841 / 990 5548
http://www.openpandora.de/
HRB 4879, Amtsgericht Ingolstadt
-----------------------
eMail: mrozek at openpandora.org



More information about the Letux-kernel mailing list