[PATCH 1/3] atmodem: add signal strength support for huawei

Kalle Valo kalle.valo at canonical.com
Mon Apr 26 03:45:54 PDT 2010


Denis Kenzior <denkenz at gmail.com> writes:

> Hi Kalle,

Hi Denis,

>> >> Huawei doesn't support CIND indications, so use CSQ instead. But
>> >> naturally the response from modem is not according to standard:
>> >
>> > is this true for all Huawei modems?
>> 
>
> CSQ is not unsolicited, so you'd need to poll it.  Not a good idea.

Agreed.

>> >> ofonod[6401]: < \r\n^BOOT:38645652,0,0,0,87\r\n
>> >> ofonod[6401]: < \r\n^RSSI:23\r\n
>
> I suggest you simply support this ^RSSI notification, it looks like it
> has the same 0-31 range as CSQ. Also, sometimes values from
> vendor-specific commands differ from CSQ, so if a query of ^RSSI is
> supported, use that.

I'll do that.

Thank you for the help.

-- 
Kalle Valo


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