PX4 + rover + mission

PX4 Autopilot Rover đźš—
1

Hello,

for about a year I am playing with my huge lawn mover machine… controlled by Pixhawk 4 + Sabertooth Dual + FLySky + SikRadio and QGC…

I am able to control my ROVER with RC FLySky… I can connect and see all parameters through QGC… and I am almost there to have RTK fix (need to find good location for base gps antenna).

What I am unable to do is to start any mission… even simple one like “Go to location” in QGC…

What I see in mavproxy logs (it is in the middle between QGC and Pixhawk) is:

Got COMMAND_ACK: DO_REPOSITION: ACCEPTED
LOITER> Mode LOITER

Please… I have Pixhawk4 with PX4 Rover firmware and I can do all except missions… it always go to LOITER…

Here is an uploaded log: https://logs.px4.io/plot_app?log=478425c2-998c-4fb5-8f60-0f519b1cd4e8

Maybe it will help with configuration mess?

2

Anyone to help a newbie?

3

@Dawid_Szymanski Mission mode only supports global navigation, meaning you need a global position estimate. This is because mission mode essentially navigates through waypoints that are defined in global coordinates.

From the log it appears that you don’t have a global position fix and therefore cannot use offboard navigation

1 Like
4

@Jaeyoung-Lim thank you for response… that is strange as I am sure that I have a GPS fix - koz I see my rover on map when I am driving it manually…
Unless you mean something else by writing “global position estimate” or there is some setting that may affect quality … I am in forest area.

5

HI @Jaeyoung-Lim I ve added another log:

https://logs.px4.io/plot_app?log=9116545c-2380-4325-9691-743ae4f495d5

I have RTK fix (float) on position but still nothing…

How to debug it;?

6

I think here is more valuable data:

https://logs.px4.io/plot_app?log=3dd6d4fb-00d1-4e26-ac8a-e42390b7b0b1