gsmd question

Joerg Reisenweber joerg at openmoko.org
Sat May 31 03:12:27 CEST 2008


Am Sa  31. Mai 2008 schrieb Bin Chen:
> On Sat, May 31, 2008 at 3:08 AM, Michael 'Mickey' Lauer
> <mickey at openmoko.org> wrote:
> > Bin Chen:
> >> I am a mobile phone developer and I am looking at the GSMd application
> >> on OpenMoko. Seems all the AT command are sent to UART without waiting
> >> the OK or ERROR response.
> >> Because the intrinsic of AT command, if you don't wait for the
> >> response of OK or ERROR, but send successive (quick enough) AT command
> >> to GSM chip, you will get multiple OK or ERROR and you can't
> >> distinguish which one is correspond to the response, because there is
> >> no ID information in the OK or ERROR.
> >
> > Correct. This is one of the design issues in gsmd that lead to our new
> > phone server (see git.freesmartphone.org).
> >
> Whats the new design? Send AT CMD one at a time and wait the OK or
> ERROR for this command?
> 
> Thanks.
> Bin
> 
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that's the way to do AT. Dunno of any better one.
/j
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