[Gta04-owner] GTA04 in the press
neilb at suse.de
Wed Feb 2 22:40:44 CET 2011
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On Wed, 02 Feb 2011 17:24:16 +0100 Lukas Märdian
<lukasmaerdian at googlemail.com> wrote:
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> I was suprised today, when I saw an article about the GTA04 flying into
> my feedreader.
> The german linux-news portal "Pro-Linux.de" wrote an article  about
> the GTA04.
> Another article can be found in the "Openmoko Community Updates"  of
> this month.
> Maybe we should collect all GTA04 related press articles in this thread,
> to have an overview of what the people out there think about our nice
>  http://wiki.openmoko.org/wiki/Community_Updates/2011-02-01
where one commenter claims
The baseband is apparently an Option-rebranded Qualcomm Gobi device. Which sucks, since Qualcomm is about the most unfriendly when it comes to open-source, especially in the baseband division.
While I'm not sure what changes Option has been allowed to make to the Gobi firmware (an Option engineer told me they can't make many) the Gobi devices expose only one AT port, a GPS port (that can't be used for AT commands), a DIAG port, and a QMI port.
The DIAG and QMI protocols are proprietary and only partially reverse-engineered. QMI requires a proprietary, closed userspace helper library for things as simple as SMS and getting the current access technology (ie GPRS, EDGE, UMTS, HSPA, etc).
So going with a Gobi (even if it's coming from Option) is a strange choice for a project that built it's reputation on openness. Especially if the modules don't support a full suite of AT commands on multiple ports, which the Gobi parts don't with normal Qualcomm firmware.
Only one 'AT' port sounds unfortunate - unless it can be multiplexed...
Is there any detailed documentation available on how to use to 4 ports
that the Option device makes available?
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