:: Re: [maemo-leste] Tony's ofono vers…
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Autor: Pavel Machek
Data:  
Para: Tony Lindgren
CC: Merlijn Wajer, Sebastian Reichel, maemo-leste
Assunto: Re: [maemo-leste] Tony's ofono version, usb networking was Re: Hack for ofono gobi qmi interface for droid4
HI!

> > > > Outgoing is easy. Incoming may be more tricky.
> > > >
> > > > We should really switch the code not to use AT code at all.
> > >
> > > Based on my experiments we cannot re-route the notifications
> > > away from the /dev/motmdm* devices to the qmimodem. So it seems
> > > at least incoming voice and sms need to be handled via /dev/motmdm*.
> > > Probably also USSD.
> >
> > That was not what I meant.
> >
> > We are currently using /dev/motmdm <-> ofono/gatchat "AT parsing" <-> ofono/drivers/motorolamodem .
> >
> > But the motmdm does not really talk AT commands, they just happen to
> > have "AT" in them. gatchat really does more harm than good. We should
> > avoid using it.
>
> Ah OK yes I agree the modem is not AT compatible.


It is not... and gatchat is unsuitable for this modem. But we are
using it :-(, and it causes subtle/nasty problems.

> > > > _USB_ networking. I need that to do any hacking on the phone.
> > >
> > > Oh I see via the OTG port, not qmicli using the modem over
> > > OCHI :)
> > >
> > > I guess you could just configure acm and ecm on the OTG interface
> > > via configfs and have your phone charged while you do that.
> >
> > I don't know what acm/ecm is, but I have USB networking working, and
> > that includes 500mA charge from the USB port. Not _great_, but...
>
> Sounds like you're still using the old style USB gadgets. You can
> configure a multi function gadget with using configfs where g_acm
> is a USB serial port and g_ecm is a USB ethernet port.


Yes, I'm. I'm quite happy with ssh. Dmesg would not go over g_acm, anyway?

> > Unfortunately USB networking still disconnects rather often; lets say
> > 5 times an hour. Still usable, but a bit annoying.
>
> Hmm maybe you have a broken micro-USB connector?


I don't think it is mechanical. It sounds more like some kind of power
problems really. Do you have rock solid connection with recent
kernels?

Best regards,
                                Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html