gsmd correctness question

Joerg Reisenweber joerg at openmoko.org
Mon Jun 2 16:45:19 CEST 2008


Am Mo  2. Juni 2008 schrieb Michael 'Mickey' Lauer:
> On Monday 02 June 2008 11:34:07 Bin Chen wrote:
> > I am just looking at the code of gsmd2, I doubt whether a condition
> > has been processed. Suppose a command is send but during the wait time
> > of the response, another unsolicited command sent to the AP and the
> > name is the same:
> >
> > AT+CREG?
> >
> > +CREG: 2  (1)
> >
> > +CREG: 0,1 (2)
> >
> > The (1) is an unsolicited command from BP side but the (2) is the
> > actual response for the AT+CREG? command, if this case happens, has
> > gsmd2 processed it correctly?
> 
> I don't know about gsmd2 offhand, however in general there are two ways to 
> deal with this problem:
> 
> 1.) Disable sending unsolicited responses between commands. There's a 07.07 
> command to control that.
> 
> 2.) Allow sending unsolicited responses at all times (this is better for 
> latency) and dedicate an own GSM channel for unsolicited responses.

Which latency?

/j
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