James Pike
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  • Waterloo, Ontario
  • Canada
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Mavproxy cmd_rc actually blocks rc commands - how should this be used

Started this discussion. Last reply by Stephen Dade Jul 30, 2016. 1 Reply

Hi  I'm trying to reproduce an intermittent flyaway bug and I found some behavior that surprised me.  We have a quad that we wanted to control strictly through mavproxy (sometimes no rc receiver…Continue

Tags: programming, Mavproxy

 

James Pike's Page

Latest Activity

James Pike commented on Chris Anderson's blog post Intel cancels Edison, Joule boards
"I wouldn't touch an Intel SBC now.  I never seriously considered it because it was ITAR restricted but now that Intel abandons a platform and its evolved cousins so soon after hyping it?  Cya Intel."
Jun 23
James Pike commented on Chris Anderson's blog post Simulation of a drone/airplane collision
"While the test might show a phantom the rules aren't phantom specific.  They apply to any UAV including heavy walled carbon fiber / aluminum lawnmowers.  The concern is mostly within control areas when commercial aircraft are…"
Nov 23, 2016
James Pike commented on Chris Anderson's blog post Simulation of a drone/airplane collision
"Kind of a crazy debate.  Even if 10 phantoms went through a jet engine without a catastrophic failure nobody here wants to be flying in the 11th.  Beyond that there is a huge variety of construction materials and geometries in drones so…"
Nov 22, 2016
James Pike commented on Chris Anderson's blog post Inexpensive laser time-of-flight sensor with 2m range
"  I worked at a company that used a cheap ground proximity sensor (sonar).   It was the cause of a large percentage of the crashes we had.  I would guess 50%.  I think linking the logic to the altimeter to reduce the chance of…"
Aug 15, 2016
Stephen Dade replied to James Pike's discussion Mavproxy cmd_rc actually blocks rc commands - how should this be used
"That is expected behaviour. Use self.module('rc').cmd_rc([3, 0]) to reinstate the RC access to the channel. See the documentation at http://dronecode.github.io/MAVProxy/html/uav_configuration/system.html#rc"
Jul 30, 2016
James Pike posted a discussion

Mavproxy cmd_rc actually blocks rc commands - how should this be used

Hi  I'm trying to reproduce an intermittent flyaway bug and I found some behavior that surprised me.  We have a quad that we wanted to control strictly through mavproxy (sometimes no rc receiver plugged in).  When we unplugged the RC we found that some channels could have noise induced values and could cause random yawing or leaning one way or another.  If we used the self.module('rc').cmd_rc([3, 1050])  - Throttle in this case we could keep the channel voltage from free wheeling.  If you do…See More
Jul 29, 2016
James Pike replied to HighVoltage's discussion Price of industrial drones
"  What a great thread.  The "higher end" drone companies are in a tough spot actually.  They have to jump through all the regulatory hoops (battery certifications are particularly nasty) and any changes they make require…"
Apr 4, 2016
James Pike commented on Rob_Lefebvre's blog post NOVAerial Robotics Ground Control Station
"Great setup Rob.  Very impressive.  Of course I would expect no less."
Mar 24, 2016
James Pike commented on Chris Anderson's blog post 3DR's evolution from micro to mass
"earthpatrol:  What a fantastically insightful post.  In this industry there is a great deal of throwing a lot of crap at the wall and watching where it sticks.  When it sticks somehow that is proof that it is good enough.  Even…"
Nov 2, 2015
James Pike replied to befinitiv's discussion 3+km HD FPV system using commodity hardware
"It would be great if you could test the WN822 to see if it supports monitor mode for the rest of us.  It would be great to have a dual antenna output on the vehicle end since there is almost always a blind side with a single antenna."
May 26, 2015
James Pike replied to befinitiv's discussion 3+km HD FPV system using commodity hardware
"Very cool.  I am definitely interested in this."
May 15, 2015
James Pike commented on Matthew Coleman's blog post The uNode
"Pixhawk replacement.  I would prefer an offboard barometer/mag- allows for better weather sealing and mag isolation.  Redundancy on the pixhawk seems lame considering how reliable processors are compared with the rest of the vehicle.…"
May 4, 2015
James Pike commented on Matthew Coleman's blog post The uNode
"I would be very interested in this board."
May 4, 2015
James Pike replied to Justin Ackermann's discussion Iris+ Random Crash In Flight - Lost In Water in the group IRIS
"  Thanks for letting everybody learn from this event.  It is almost destiny for flying machines to crash given the chance.   I find a lot of RC flying is minimizing risk and managing trust.  Batteries seem to be the most fickle…"
Apr 8, 2015
James Pike replied to Randy's discussion ArduCopter-3.2.1 Beta Testing
"Might be worth disabling the RTL gain in altitude if the vehicle is closer than 30 feet (even better if it is a user selectable distance) from its return location.  Having it climb is a very useful feature but it can cause problems in some…"
Apr 4, 2015
James Pike replied to Gábor Zoltán's discussion Adding extra functions to MinimOSD
"Sorry but this would be awesome."
Mar 29, 2015

Profile Information

About Me:
Software Designer and Director of Customer Support for A e r y o n Labs 5 years ending February 2014
Please tell us a bit about your UAV interest
I presently am designing and testing UAVs using APM and Pixhawk
Hometown:
Waterloo

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