Replicating SimOSGetPos function on LoRaWAN_End_Node firmware

[AFidi.1]

I'm trying to replicate X-CUBE GNSS SimOSGetPos function on my lora_app.c, but the program just stuck on infinite loop after OTAA join.

The function is run as my expectation if I didn't use LoRaWAN middleware (able to get and parse data from my Teseo LIV3FL.