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<span style="font-family:"Segoe UI", "Segoe UI Web (West European)", "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, "Helvetica Neue", sans-serif;font-size:14.6667px;background-color:rgb(255, 255, 255);display:inline !important">>></span><br>
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<span style="font-family:"Segoe UI", "Segoe UI Web (West European)", "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, "Helvetica Neue", sans-serif;font-size:14.6667px;background-color:rgb(255, 255, 255);display:inline !important">>> Ok thanks for the
tips, should I issue a merge request with the modified threshold ?</span><br style="font-family:"Segoe UI", "Segoe UI Web (West European)", "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, "Helvetica Neue", sans-serif;font-size:14.6667px;background-color:rgb(255, 255, 255)">
<span style="font-family:"Segoe UI", "Segoe UI Web (West European)", "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, "Helvetica Neue", sans-serif;font-size:14.6667px;background-color:rgb(255, 255, 255);display:inline !important">>></span><br style="font-family:"Segoe UI", "Segoe UI Web (West European)", "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, "Helvetica Neue", sans-serif;font-size:14.6667px;background-color:rgb(255, 255, 255)">
<br style="font-family:"Segoe UI", "Segoe UI Web (West European)", "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, "Helvetica Neue", sans-serif;font-size:14.6667px;background-color:rgb(255, 255, 255)">
<span style="font-family:"Segoe UI", "Segoe UI Web (West European)", "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, "Helvetica Neue", sans-serif;font-size:14.6667px;background-color:rgb(255, 255, 255);display:inline !important">> Yes please, that would
be good.</span><br>
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Here we go: <a href="https://gitlab.freedesktop.org/mobile-broadband/ModemManager/-/merge_requests/634" id="LPlnk">https://gitlab.freedesktop.org/mobile-broadband/ModemManager/-/merge_requests/634</a></div>
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<a target="_blank" id="LPUrlAnchor722850" href="https://gitlab.freedesktop.org/mobile-broadband/ModemManager/-/merge_requests/634" style="text-decoration: none; color: var(--themePrimary);">Update signal strength indicator thresholds (!634) · Merge requests
· Mobile broadband connectivity / ModemManager</a></div>
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These are thresholds for RSSI so nothing is expected to be greater than 0. This will allow to have a better granularity (even if with some modem, we...</div>
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gitlab.freedesktop.org</div>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" color="#000000" style="font-size:11pt"><b>From:</b> Aleksander Morgado <aleksander@aleksander.es><br>
<b>Sent:</b> Saturday, October 2, 2021 12:11 AM<br>
<b>To:</b> Frederic Martinsons <frederic.martinsons@sigfox.com><br>
<b>Cc:</b> modemmanager-devel@lists.freedesktop.org <modemmanager-devel@lists.freedesktop.org><br>
<b>Subject:</b> Re: Signal quality not updated with Quectel EG25 through QMI</font>
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<div class="PlainText">Hey<br>
<br>
On Fri, Oct 1, 2021 at 3:50 PM Frederic Martinsons<br>
<frederic.martinsons@sigfox.com> wrote:<br>
><br>
> Ok thanks for the tips, should I issue a merge request with the modified threshold ?<br>
><br>
<br>
Yes please, that would be good.<br>
<br>
><br>
> I my application needs to have a rapid refresh rate of signal quality, do you think it will be correct (I means without impact on modem connectivity/stability) to send regularly mmcli --signal-get (the equivalent DBus method at least) at a regular rate ?<br>
><br>
<br>
Please note that the rate at which that info is updated in the Signal<br>
interface is the one you choose with the Setup method, not the rate at<br>
which you read the DBus property.<br>
<br>
> If so, can you tell me how I can get the signal quality percentage from the raw RSSI value ?<br>
<br>
See in mm-broadband-modem-qmi.c:<br>
<br>
/* Limit the value betweeen [-113,-51] and scale it to a percentage */<br>
#define STRENGTH_TO_QUALITY(strength) \<br>
(guint8)(100 - ((CLAMP (strength, -113, -51) + 51) * 100 / (-113 + 51)))<br>
<br>
<br>
-- <br>
Aleksander<br>
<a href="https://aleksander.es">https://aleksander.es</a><br>
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