Hi all.
Recently appears on APM wiki in section “optional hardware-rangefinder lidar lite” a message that say “i2c has serious BUG, use pwm instead”
that’s ok, but PWM drivers works only with AC3,3 PLANE. It does not work with COPTER VERSION.
Is it possible To implement the pwm driver in AC 3,2 COPTER also?
Many thanks for any help. We need TO use the lidar with copter.
F.
@fabietto_91,
Read this thread which has a solution for the LIDAR Lite being used on the I2C bus: https://groups.google.com/forum/#!topic/drones-discuss/yBVeykPoZBk
Regards,
TCIII GM
Thank you fore reply TCIII,
I have read in other topic that the problem is into the lidar firmware version…
here
https://groups.google.com/forum/#!searchin/drones-discuss/lidar$20lite$20|sort:date/drones-discuss/kooryErgtUA/iLQIVCEhpokJ
and here https://groups.google.com/forum/#!topic/pulsedlight3d/JOjvyywFyWg
BTW, in the wiki (here http://copter.ardupilot.com/wiki/common-optional-hardware/common-rangefinder-landingpage/common-rangefinder-lidarlite/)
I read “NOTE: Serious bugs have been found in Lidars made before March 2015 that make the I2C interface unreliable. See the PWM alternative connection option below.”
Pwm works correctly on APM:Plane 3.3 ( tried right now). I only hope that the same driver used on APM:Plane could be implemented in APM:Copter.
Have you any suggestions?