Re: Mobile Broadband - init string

[Dan Williams <dcbw redhat com>]

On Fri, 2008-10-24 at 18:37 +0100, Rick Jones wrote:
> --On Friday, October 24, 2008 10:51:58 -0400 Dan Williams
> <dcbw redhat com> wrote:
> ¦ On Fri, 2008-10-24 at 11:16 +0100, Rick Jones wrote:
> ¦ > I can get the Palm software modem to work using this init string,
> with
> ¦ > no other changes:
> ¦ > 
> ¦ > AT&F\rATV1 X4 &C1 +CREG=0
> ¦ 
> ¦ The CREG gets handled later, can you try without that and let NM do
> the
> ¦ magic further on?
> 
> This was one of the first problems I encountered. Without this the
> response to +CREG? is 1,1, but NM is looking for 0,1. The first digit
> in the CREG query is the CREG mode (if that's the right term). Anyway,
> it's whatever the value +CREG= is set to. It seems most modems default
> to 0, but this one defaults to 1, so needs init'ing to 0.

Ah right, yeah.

> ¦ ModemManager (the future direction of modem handling
> ¦ with NM) will support workarounds for devices like this, provided
> that
> ¦ they can be detected somehow.
> 
> Sounds useful.
> 
> ¦ Can you report the ATI output for the modem?  That should work no
> matter
> ¦ what, or else you _really_ need to cluebat the Palm software
> provider.
> 
> Response to ATI is LowRider. ATI0 returns ERROR, ATI1 returns R01.92,
> all other ATIn return blank.

Ugh.  At least file a bug with them to return the +GCAP output in the
ATI response like most other GSM cards appear to do.  If it's a CDMA
palm, it can't hurt to return +GCAP anyway.

Dan