-32763.0 dBm

Bjørn Mork bjorn at mork.no
Thu Sep 27 04:28:45 PDT 2012


Aleksander Morgado <aleksander at lanedo.com> writes:

> Ec/Io is supposed to be given as negative 0.5dBm increments. This seems
> to be true for Get Signal Strength, where the value is given as a uint8;
> but is probably wrong for the newer Get Signal Info where the value is a
> 16bit integer, so probably is signed; e.g. it should be a 'gint16'
> instead of a 'guint16'. What I don't know is whether it is still given
> in 0.5dBm increments or not.
>
> Can you try the attached patch and see if it gives more appropriate values?

I still have no idea what the appropriate values are, but the patch puts
the value inside a 0 to -100 dBm scale at least:

bjorn at nemi:/usr/local/src/git/libqmi$ cli/qmicli -d /dev/cdc-wdm0   --nas-get-signal-info
[/dev/cdc-wdm0] Successfully got signal info
WCDMA:
        RSSI: '-84 dBm'
        ECIO: '-2.0 dBm'



Bjørn


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