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3d - Printworx

Extending time on Naze auto disarm.

Started by Panther, Monday,March 30, 2015, 10:45:29

Previous topic - Next topic

Panther

I have looked through the CLI to see if I could extend the time before the Naze disarms itself.
I find it a pain when the Quad has to be armed to allow the GPS to iniialize and 6 seconds is just not long enough. It times out before GPS locks.
Even 10 seconds would help a lot.
Any ideas anyone?

Hands0n

Eh? Thats not how it should work.

Assuming the GPS has a full 3D lock (wait up to 3 minutes after power on*) then immediately you arm the FC it will take its present position as home. The GPS is already giving out continual and correct location info.

NB* - A good spec GPs board should have a battery back up to retain the localised satellite information in memory for a short period of time. So as long as you don';t change location position significantly, that information will survive a battery swap.  The battery either recharges from the main power or it is a long-life Lithium cell that lasts several years.
--
Danny
"Its better than bad, its good"

Current FCs: Pixhawk, APM 2.6, Naza M V2, Naze32, Flip32+ CC3D, KK2.1.5
Aircraft: miniMax Hex, DJI 550 (clone) TBS Disco, 450 Firefly, 250 Pro, ZMR250, Hubsan X4, Bixler 2

quadfather

What Danny said.  The GPS does positioning as soon as you give it juice, not once the FC is armed.  If you can confirm that it does indeed not acquire satellites until the board is armed I would consider it a bug.

The CLI command to change the auto disarm delay is set auto_disarm_delay = s, where s is the time in seconds.
-rw-rw-rw-  –  The Number of the Beast

Panther

Ah, OK. I will look closer. It is a 10Hz GPS 115200 baud rate and has a lithium back-up battery so it locks fairly quick normally. Maybe between looking at my TX and trying to see the Naze blink I have got confused.
It only takes a few seconds after a battery change to fire up again.
And thanks for that CLI command.
P

Panther

Ok all sorted.
The GPS does lock without the board being armed, but only displays on my TX after I arm the Quad.