Add odometer to OSD

[MrD-RC]

Fixes #8980

Adds the ability to show the total flight distance odometer in the OSD. This needs stats enabled to work.

Odometer shown lower left of OSD.

Requires configurator: iNavFlight/inav-configurator#1836

[rts18]

@MrD-RC
If STATS = ON.
When the craft is disarmed any ESC using Dshot protocol will reboot.

@breadoven This causes grief with multirotor inflight emergency rearming. #9254
Tested with two F405 flight controllers.

Someone else has reported this matter. Now it has come to a head, with bad results.
#8945 (comment)

@Jetrell I guess you never discovered this problem when testing. Maybe because you've never used the stats again. Wise move!!

@DzikuVx If this matter can not be resolved before the 7.0.0 release. May I ask that the release notes make mention of it ?

[MrD-RC]

@rts18 this should really be it’s own issue for visibility.

[Jetrell]

I guess you never discovered this problem when testing. Maybe because you've never used the stats again. Wise move!!

I haven't used Stats on any of my models since I wrote that post... I'd actually forgotten about it when I was testing inflight rearming.. But I wouldn't have enable it, to prove what I already knew.

I'm sorry if it caused a crash.. Sometimes things slip through the cracks.

[breadoven]

@rts18 what do you mean by grief where emergency in flight rearming is concerned, other than the fact it obviously won't work if the FC reboots ?

[rts18]

this should really be it’s own issue for visibility.

I was hoping to get some clarity here first. Of why this matter seemed to have been over looked.

But I wouldn't have enable it, to prove what I already knew.

Fair enough.

other than the fact it obviously won't work if the FC reboots ?

It wasn't caused by the inflight rearming software. And it wasn't the flight controller that rebooted after disarming. It was the 4 ESCs.
This obviously takes between 2 to 4 seconds for them to play their tune in the reboot sequence. With some reinitializing faster than others.
That in turn sent the quad into a spinning tumble. With great similarity to issue 8945.

For what its worth. I did test the inflight rearming on this quad before I stupidly trusted turning on the stats. And it worked with no hitches.