nRF Cloud Map + AGPS sample

RE: nRF Cloud Map + AGPS sample

Jared — Thu, 24 Sep 2020 11:36:17 GMT

Got it! I'll see if I can add that in or adopt the asset tracker for the nRF9160 Feather.

RE: nRF Cloud Map + AGPS sample

Martin Lesund — Thu, 24 Sep 2020 11:29:24 GMT

Hi Jared,

Thank you very much for the additional information.
The limitation looks to be on the cloud front end unfortunately.
The reason is that it is missing a "deviceinfo" object in the shadow in the nrf cloud UI-code.
The workaround is that you run the asset_tracker from a later stage (e.g. the master branch) first so it can send the "deviceInfo"-object to the shadow.

So after you have connected with the asset_tracker application and then try out your sample you should be able to see the map info.

I will report this internally to see if we can figure out how we can solve this on the cloud side.

Thank you.

best regards,

Martin L.

RE: nRF Cloud Map + AGPS sample

Jared — Thu, 24 Sep 2020 11:03:02 GMT

Hey Martin,

It seems to be acquiring a fix. The cloud also appears to be receiving the data as well.

[quote userid="66115" url="~/f/nordic-q-a/66309/nrf-cloud-map-agps-sample/271286"]I suspect that this has to do with SIM + network configuration.[/quote]

I'm running on Verizon at the moment which is a bit different than my first round of testing.

[quote userid="66115" url="~/f/nordic-q-a/66309/nrf-cloud-map-agps-sample/271286"][/quote]

The nrf cloud agps sample tries to request and get PSM, but some networks can refuse this.
Therefore I suggest that you try to run the sample without requesting PSM to see if this could be the case.

You could also set this to false then you get LTE to send whenever it can.

Let me try these suggestions and I'll get back to you. Hopefully it will fix it!

RE: nRF Cloud Map + AGPS sample

Martin Lesund — Thu, 24 Sep 2020 10:15:11 GMT

Hi Jared,

[quote userid="3604" url="~/f/nordic-q-a/66309/nrf-cloud-map-agps-sample"]the map does not appear as it did back in July.[/quote]

Do you mean that the map do no appear at all? (just a blank screen)

If the device do not send the GPS position to nRF Cloud then the map does not appear at all.

e.g. A successful GPS FIX.

I: ---------       FIX       ---------
I: Time to fix: 20 seconds
I: Longitude:  5.399481
Latitude:   61.362466
Altitude:   10.276114
Speed:      0.118597
Heading:    0.000000
Date:       09-07-2020
Time (UTC): 08:52:29

I: -----------------------------------
D: Tracking SV 29:     used,     healthy
D: Tracking SV  5:     used,     healthy
D: Tracking SV  9:     used,     healthy
D: Tracking SV 21: not used,     healthy
D: Tracking SV 26:     used,     healthy
D: Tracking: 5 Using: 4 Unhealthy: 0
D: Seconds since last fix 0
D: NMEA: Position fix
I: GPS position sent to cloud

If you take a modem trace we can exactly see why this is.

I suspect that this has to do with SIM + network configuration.

The nrf cloud agps sample tries to request and get PSM, but some networks can refuse this.
Therefore I suggest that you try to run the sample without requesting PSM to see if this could be the case.

You could also set this to false then you get LTE to send whenever it can.

Best regards,
Martin L.