Thingy:91 External GPS Antenna - User Guide Outdated?

[Joao Dullius]

Hello,

I was trying to get a Thingy:91 to run asset_tracker_v2 with an external GPS antenna connected to the U.FL.

NCS 1.7.0.

Based on the Thingy:91, I was trying to modify the LNA configuration as follows:

But, the application would always set the default COEX0 on the gps_module.lna_configure.

I was only able to get it changed by adding the CONFIG_GPS_MODULE_ANTENNA_EXTERNAL to the .conf file.

Should the UG be updated accordly?

[JONATHAN LL]

Hi,

The application setts the config in asset_tracker_v2. So CONFIG_GPS_MODULE_ANTENNA_EXTERNAL=y is the correct way. The documentation still refers to how it is done in the original asset_tracker.

config GPS_MODULE_AT_MAGPIO
string "AT%XMAGPIO command"
default "AT\%XMAGPIO=1,0,0,1,1,1574,1577" if BOARD_NRF9160DK_NRF9160_NS
default "AT\%XMAGPIO=1,1,1,7,1,746,803,2,698,748,2,1710,2200,3,824,894,4,880,960,5,791,849,7,1565,1586" if BOARD_THINGY91_NRF9160_NS
help
Defines what is the AT%XMAGPIO command to be sent to GNSS module. Leave
empty if this command should not be sent.

config GPS_MODULE_AT_COEX0
string "AT%XCOEX0 command"
default "AT\%XCOEX0=1,1,1565,1586" if (BOARD_NRF9160DK_NRF9160_NS || BOARD_THINGY91_NRF9160_NS) && GPS_MODULE_ANTENNA_ONBOARD
default "AT\%XCOEX0" if (BOARD_NRF9160DK_NRF9160_NS || BOARD_THINGY91_NRF9160_NS) && GPS_MODULE_ANTENNA_EXTERNAL
help
Defines what is the AT%XCOEX0 command to be sent to GNSS module. Leave
empty if this command should not be sent.


Regards,
Jonathan