Unexpected COPS format

Colin Helliwell colin.helliwell at ln-systems.com
Fri Mar 17 15:02:06 UTC 2017


> On 17 March 2017 at 14:16 colin.helliwell at ln-systems.com wrote:
> 
> I’m reviewing the info fetched on my modems, and one of them is giving an unusual format for “AT+COPS=3,2;+COPS?” :
> 
>    +COPS: 0,2,"00320033003400310035",0
> 
> This seems to be some sort of ‘wide char’ hex representation of “23415” [which is what I’d expect].
> 
> The modem’s AT spec doesn’t say anything about it coming back in the form, but I just wondered if it was a format anyone had encountered elsewhere?
> 
>

Doing a bit of comparison between them:

BGS2 -
[src/mm-broadband-modem.c:3496] modem_3gpp_load_operator_code(): loading Operator Code...
[src/mm-port-serial-at.c:459] debug_log(): (ttyMux1): --> 'AT+COPS=3,2;+COPS?<CR>'
[src/mm-port-serial-at.c:459] debug_log(): (ttyMux1): <-- '<CR><LF>+COPS: 0,2,"23415"<CR><LF><CR><LF>OK<CR><LF>'
[src/mm-broadband-modem.c:3487] modem_3gpp_load_operator_code_finish(): loaded Operator Code: 23415
[src/mm-broadband-modem.c:3539] modem_3gpp_load_operator_name(): loading Operator Name...
[src/mm-port-serial-at.c:459] debug_log(): (ttyMux1): --> 'AT+COPS=3,0;+COPS?<CR>'
[src/mm-port-serial-at.c:459] debug_log(): (ttyMux1): <-- '<CR><LF>+COPS: 0,0,"vodafone UK"<CR><LF><CR><LF>OK<CR><LF>'
[src/mm-broadband-modem.c:3530] modem_3gpp_load_operator_name_finish(): loaded Operator Name: vodafone UK

EHS5 - 

[src/mm-broadband-modem.c:3496] modem_3gpp_load_operator_code(): loading Operator Code...
[src/mm-port-serial-at.c:459] debug_log(): (ttyMux1): --> 'AT+COPS=3,2;+COPS?<CR>'
[src/mm-port-serial-at.c:459] debug_log(): (ttyMux1): <-- '<CR><LF>+COPS: 0,2,"00320033003400310035",0<CR><LF>'
[src/mm-port-serial-at.c:459] debug_log(): (ttyMux1): <-- '<CR><LF>OK<CR><LF>'
[src/mm-broadband-modem.c:3487] modem_3gpp_load_operator_code_finish(): loaded Operator Code: 00320033003400310035
[src/mm-iface-modem-3gpp.c:874] parse_mcc_mnc(): Unexpected MCC/MNC string '00320033003400310035'
[src/mm-broadband-modem.c:3539] modem_3gpp_load_operator_name(): loading Operator Name...
[src/mm-port-serial-at.c:459] debug_log(): (ttyMux1): --> 'AT+COPS=3,0;+COPS?<CR>'
[src/mm-port-serial-at.c:459] debug_log(): (ttyMux1): <-- '<CR><LF>+COPS: 0,0,"0076006F006400610066006F006E006500200055004B",0<CR><LF><CR><LF>OK<CR><LF>'
[src/mm-broadband-modem.c:3530] modem_3gpp_load_operator_name_finish(): loaded Operator Name: vodafone UK


I notice that modem_3gpp_load_operator_name_finish() has a 'mm_3gpp_normalize_operator_name()' step; maybe same needed on modem_3gpp_load_operator_code_finish()?


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