[Gta04-owner] 3G internet connection

NeilBrown neilb at suse.de
Wed Apr 24 00:55:07 CEST 2013


On Wed, 24 Apr 2013 00:34:51 +0200 Sven <openmoko at maricon.de> wrote:

> Hello,
> 
> does it really work? Hermann said we need to use /dev/ttyHS_Control 
> instead of /dev/ttyHS_Modem.

I haven't found any difference between these two in terms of what commands
you can write to them. 
> 
> What's the reason for using femtocom? Isn't /dev/ttHS_Control a 
> tty-Device where one could directly do an echo to it?

Yes, you should be able to just write to it, but then you don't get the "OK"
back to be reassured that it worked.

> 
> I tried to do "apt-get install femtocom" but it couldn't find the 
> package. For compiling it by myself on the phone, I need gcc, but gcc is 

I use "miniterm.py" which is in the "python-serial" package in Debian.

NeilBrown



> not part of the QtMoko distro. So I need to apt-get install it. It says 
> that it's 29,5 MB, so with my current 2G connection would take some 
> hours only for getting it. Other possibility would be to connect the 
> phone to the internet via IP over USB. But therefor I also need to do 
> the right network setup, where I always have to look within my 
> documentation how to do it, because I cannot remember them. So what I 
> want to say is:
> 
> a) I'll try it out when I have some more time, i.e. weekend.
> 
> b) If femtocom is really needed for such things (why?), please add it to 
> the distro or at least to the repository. Handling would become much 
> more user friendly...
> 
> Best regards
>     Sven
> 
> 
> 
> On 23.04.2013 22:20, Gilles Filippini wrote:
> > Hi,
> >
> > Dr. H. Nikolaus Schaller a écrit , Le 23/04/2013 09:46:
> >> (echo "AT_OPSYS=1"; sleep 2) | femtocom /dev/ttyHS_Modem
> > I've been procrastinating a long time about digging into this setting
> > and I'm happy to confirm that the above command Just Works (tm), the *G*
> > being instantly replaced by a *3*.
> >
> > It would be worth adding it to the QtMoko setting scripts.
> >
> > BTW, wouldn't "AT_OPSYS=3" (prefer UMTS) more appropriate?
> >
> > Many thanks!
> >
> > _g.
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> >
> 
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