GSM detection/identification

[Matt]

Paul Buede wrote:
> Matt Joyce wrote:
>   
>> The wiki has some interesting info on GSM :
>> http://wiki.openmoko.org/wiki/Gsm
>>
>> The AT commands to interact with the hardware are here :
>> http://wiki.openmoko.org/wiki/Hardware:AT_Commands
>> (I wonder if they are an extension of the earlier dial up modem
>> commands ala Hayes?)
>>
>> here's how you use the commands:
>> http://wiki.openmoko.org/wiki/Gsmd#Usage_of_shell_mode
>>
>> these command may work for you :
>>
>>         r       Register to network
>>         R       Register to given operator (R=number)
>>         U       Unregister from netowrk
>>         P       Print current operator
>>         N       Print current operator in numeric
>>         L       List available operators
>>         Q       Read signal quality
>>         nr      Query network registration
>>
>> As I mentioned, I wanted to find all contactable sites, but didn't
>> find a command for that.
>>
>>   
>>     
> That was a huge help. What I need now is a way to pass commands from the
> cli and have it return values to the cli rather than operating in the
> shell. So then I can write a script to do it and log to a file. I want
> it to run while I drive around, so I don't have to stop on tap on the
> tiny keyboard. Any suggestions?
>
> I was able to do the following today, from home:
>
> root at om-gta02:/var/volatile/log# libgsmd-tool -m shell
> libgsm-tool - (C) 2006-2007 by Harald Welte and OpenMoko, Inc.
> This program is Free Software and has ABSOLUTELY NO WARRANTY
>
> L
> # # List operators
> 31026 T - Mobile, T - Mob for short, is our current operator
> 31056 Cellular One DC, Cell On for short, is available
> 31041 Cingular, Cingula for short, is available
>
>
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>
>   
I think you want is :

For your operator
echo -e "AT+COPS\n" | libgsmd-tool -m atcmd

For availabel operators
echo -e "AT+COPS=?\n" | libgsmd-tool -m atcmd

Please report back if this helps.


Matt