110 단어
1 분
Marathon - ep.1
0 0

First things first, we have to upload the location, right??#

What approach would be best?

Connect LTE first… then turn on GPS, get a fix, and upload — right?

Coding GIFs | Tenor

Alright, all done — now flash it and run it, and??

img_3.png

If you run LTE and GNSS at the same time, LTE steals GNSS’s time windows and GNSS can’t receive anything!

So then…

I’ll build a cycle that gets a GNSS fix first and then transmits over LTE!

And so…

img_5.png

It worked!

Easy lol For LTE connection efficiency, I set it up so PSM kicks in whenever it’s available.

The end.

Did you find this post helpful?
Marathon - ep.1
https://yeonfish.dev/en/posts/gps_tracker/2_location_push_cycle/
저자
yeonfish6040
게시일
2026-03-17
라이선스
CC BY-NC-SA 4.0