First OsmocomBB Connection Tests (Unsuccessful)

Gianni Tedesco gianni at scaramanga.co.uk
Mon May 30 22:52:41 UTC 2011


On Tue, 2011-05-31 at 00:36 +0200, Drasko DRASKOVIC wrote:
> On Tue, May 31, 2011 at 12:30 AM, Gianni Tedesco
> <gianni at scaramanga.co.uk> wrote:
> > On Tue, 2011-05-31 at 00:24 +0200, Drasko DRASKOVIC wrote:
> >> On Tue, May 31, 2011 at 12:09 AM, Gianni Tedesco
> >> <gianni at scaramanga.co.uk> wrote:
> >> >> Synchronize_TDMA
> >> >> LOST 3054!
> >> >>
> >> >> What would this LOST 3054! say ? It does not sound good anyway, but at
> >> >> this point I am not skilled enough to read OsmocomBB logs.
> >> >
> >> > That's fine/normal.
> >>
> >> OK, good. Sounds scary, though. I would prefer FIND message when
> >> things go righth :).
> >>
> >>
> >> >
> >> > ...
> >> >> PLMN selection in state 'A6 no SIM inserted'
> >> >>
> >> >>
> >> >> Can somebody explain me what the hell is happening here ?
> >> >
> >> > No SIM inserted ;)
> >> >
> >> > You have 3 options:
> >> > 1. Check out sylvain's testing branch for a working on-phone SIM driver
> >> > 2. Use the SAP interface to a PC/SC smartcard reader with SIM inserted.
> >> > 3. If you want to use GSM test set instead of real network, use test sim
> >> >   functionality of mobile
> >>
> >> Hmm.. I was convinced that there was some kind of SIM card simulation
> >> implemented in the software and that for basic connection no physical
> >> SIM card was needed...
> >
> > Hrm, for cell_log I don't think you need a SIM but when mobile starts it
> > tries to register with the network which requires a subscription.
> >
> >> So, as I understood, to have a cell attachment and to have some
> >> packets exchange I will need to pull Sylvain's branch, as I have no
> >> network nor PC/SC SIM card reader...
> >
> > Yes, if you want to register on a network, make/receive calls, etc.
> No, no.. I can not start with that - seems too advanced for a
> beginning... Just a simple connection. The simplest stuff possible.
> 
> > For
> > just finding cells and catching announcements on the beacon channel, you
> > may be better off starting with cell_log
> 
> Yes great. I'd like to start only with that. So I guess current master
> is able to do this, I do not need SIM...
> I prefer to try this for a gentle introduction.

Should be fine with master with no modifications afaik.

Happy hacking!

Gianni





More information about the baseband-devel mailing list