GNSS with Thingy91 and Zephyr

[Frog]

I've been tinkering for several says to get GNSS working on a Thingy91 with Zephyr.

I've tried the 'location' example and have struggled to register the device on nRFcloud but I assume that shouldn't interfere with GNSS.

I've tried to build the modem_shell example but using the default settings it doesn't fit in the available flash.

I see there's a GNSS example, but this appears to be for nRF9160DK only.

Either way, so far I've been unable to get a positional fix.  I see from other questions on this site that (at least using the SDK) it's possible to get NMEA strings from the modem - I'm very familiar with other GPS/GNSS devices and so this would be helpful to do, but I don't know if it's possible with Zephyr.

At the moment I'm using the on-board antenna, although I could switch to an external active antenna if needs be.  Any advice on how to proceed would be much appreciated.

[Håkon Alseth]

Hi,

 

I see there's a GNSS example, but this appears to be for nRF9160DK only.

You should be able to run this on the thingy91 without problems.

Try selecting the gnss application, and configuring it for board thingy91_nrf9160_ns and running it.

get NMEA strings from the modem

If you only want NMEA, configure the above sample with "CONFIG_GNSS_SAMPLE_NMEA_ONLY=y"

At the moment I'm using the on-board antenna, although I could switch to an external active antenna if needs be.  Any advice on how to proceed would be much appreciated.

That should be possible. Here's the documentation on the subject: https://infocenter.nordicsemi.com/topic/ug_thingy91/UG/thingy91/hw_description/gps_thingy91_140hw.html?cp=14_0_2_2_3_1

 

Kind regards

Håkon