gsmd question

Bin Chen binary.chen at gmail.com
Sat May 31 01:43:48 CEST 2008


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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