Flight Core PWM ESC Calibration
Trying to follow the recommended documentation for ESC calibration
You should hear a second jingle. Wait for the second calibration jingle to complete. After the second jingle stops, press [ENTER] to proceed
There is never a second jingle.. I am not sure the calibration completed. The drone is shaking violently with the voxl flight core, but flies stable with a PX4. I switched back and forth to be sure that the extra weight is not an issue.
I've not had oscillations myself from ESC cal issue, more generally from PID tunings (I experienced the same when I tested on a tiny frame and had the m500 PID settings still on board). I really lower all PID settings (roll,pitch,yaw) and then slowly bring everything up.
Other's might chime in that are much better at tuning than myself, but here's an example of a smaller frame's settings (https://gitlab.com/voxl-public/flight-core-px4/px4-parameters/-/blob/master/platforms/v1.10/useeker_v1_config.params#L88)
Are you using the FlightCore FW that shipped with the unit or did you update it? We noticed that with v1.11 there was a change and there's this script that seems to work better.
One way around the ESC calibration is if the ESCs support DShot to use that as it's a 'digital' interface.