Tom Hastie
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Tom Hastie's Discussions

ArduPilot Sketch Freezing

Started this discussion. Last reply by Patrick Mccabe Jul 10, 2010. 6 Replies

Hey Everyone, I'm back fiddling with my ArduPilot after an absence caused by a couple of crashes and just being busy with summer. Anyways, I'm having an issue with my ArduPilot board that is starting…Continue

Where does Waypoint Radius Get Written to the EEPROM?

Started this discussion. Last reply by jasonshort Jun 19, 2010. 2 Replies

I've been working on getting Ardupilot 2.6 working. I've never had any other Ardupilot load running on this particular board. One strange thing I've found is that when I switch to any auto mode (RTL,…Continue

Is the AP_STICK MIXING Reversed in ArduPilot 2.6?

Started this discussion. Last reply by cholo Apr 27, 2010. 10 Replies

Hi, I've been working with ArduPilot 2.6 load currently in the repository. In my particular airframe, I need to reverse both the ailerons and the elevator, so in my header file, I have REVERSE_ROLL…Continue

Four Channels In/Out on ArduPilot Board

Started this discussion. Last reply by jasonshort Apr 9, 2010. 11 Replies

Hey all, I was hoping for some tips. I'm trying to get 4 channels (ail/ele/thr/rud) of input and output working on my ArduPilot Board. I'm starting with the recent 2.6 version of the code. I've…Continue

 

Tom Hastie's Page

Latest Activity

Tom Hastie commented on Chris Anderson's blog post ArduCopter makes the Colbert Report!
Mar 30, 2012
Tom Hastie replied to Hyon Lim's discussion Have anyone used Castle ESCs?
"Yep... all the Castle Creations ESCs I have had have been auto calibrating by default.   What this means is each time they boot, they watch your throttle stick to fine tune the end points. This isn't a big problem on most airplanes that…"
Aug 3, 2011
Tom Hastie commented on jasonshort's blog post Arducopter Beta 2.0.38
"Cool. Thanks for the answer. Is 0.37 the "old way"? Or the "new way". I only got my quad back in the air last night after a month of no flying, so I'm using 0.37 which was the latest available via the Mission…"
Aug 3, 2011
Tom Hastie commented on jasonshort's blog post Arducopter Beta 2.0.38
"I'm looking around for a good description of the changes to the ground start logic, and the differences between 2.0.37 and 38. I haven't found anything specific so here goes:   -What is the exent of the ground start alignment? Is it…"
Aug 3, 2011
Tom Hastie replied to jasonshort's discussion Arducopter 2.0.24b
"Haha... now I don't feel so bad... I did the same thing, but it was because I had the wrong model memory selected. :P   I bet your flight looked something like this:   http://youtu.be/gQhgZ0jWGvo"
Jun 24, 2011
Tom Hastie replied to Mike Jacobs's discussion Testing Raw Sensors with Mission Planner - What should Yaw results look like?
"This might explain something I ran into yesterday... After doing a couple of fast rectangular laps in "Simple" mode, the Arducopter seemed to become confused about direction. "Forward" was no longer "Forward - still in…"
May 30, 2011
Tom Hastie replied to Grant Maxwell's discussion counter rotating propellers
"Slow flyer are fatter blades and generally lower pitch. They are more efficient on slow flying aircraft. They also tend to warp if you spin them too fast.   Electric probs are designed for faster more powerful aircraft. They are stiffer,…"
May 27, 2011
Tom Hastie replied to John C.'s discussion How do I balance a quad?
"Was the quad level when you did option "i" in the CLI?   See here: http://code.google.com/p/ardupirates/wiki/CLI   Option "i" calibrates the accelerometer offsets. If you didn't do this right, then the will thing…"
May 19, 2011
Tom Hastie commented on Alpo Hassinen's blog post TaigaCam, ROBUST plane for aerial photography
"You, sir, have anger issues.   :)"
May 17, 2011
Tom Hastie commented on Markus Jahn's blog post Arducopter with 8 motors - First aerial photos
"Hi Markus,   Have you had any issues with the ArduPilot Mega and IMU shield operating in cold temperatures? It's also winter here in Canada, and I've noticed some "odd" behaviour with my ArduCopter using ArduPiratesNG…"
Feb 22, 2011
Tom Hastie replied to dimitris's discussion uploading ArdupiratesNG code help!!!
"I wrestled with this last night actually. In the end I found a post in KinderKram's RCGroups Thread that stated that you need to delete the existing libraries before copying over the new libraries. For some reason, the copy, and overwrite in…"
Feb 9, 2011
Florin Mingireanu commented on Tom Hastie's blog post More ArduIMU Fun
"Hi Tom Hastie, Have you tried more with Arduimu on gas planes? How did you manage to damp the vibration issues? @Morli: did you try waypoints using Arduimu on gas plane? Did it work reliably? Thanks!"
Nov 6, 2010
Tom Hastie replied to Darren Ng's discussion GPS program
"The divide by 100 on the parameters is because of memory issues on the processor. It takes alot more time and memory for a processor to work with a floating point (decimal) numbers than with integers. To get around this, things like altitude (in…"
Sep 9, 2010
Philippe faul commented on Tom Hastie's blog post Closed loop Simulation with X-Plane and ArduPilot
"It's possible to have the code to send and receive UDP message beetwen XPlane and Labview? (I wrote the receive code like the labview example, but not the sender) Philippe"
Aug 31, 2010
Tom Hastie commented on Nathaniel Caner's blog post "From The Ground Up" : One persons experience with DIY drones and ArduPilot - Part One
"If I didn't know better, I'd say that the first picture looks like the NEAT fair grounds near Downsville N.Y? Ever been to NEAT? Tom"
Aug 16, 2010

Developer
jasonshort commented on Tom Hastie's blog post ArduPilot Channel 4 Code
"Tom, I have a new version of 2.7 to upload soon that has double the CH3 and CH4 resolution - 4µs steps. You should be able to try it by tomorrow if testing goes well."
Aug 3, 2010

Tom Hastie's Blog

First Flight with Ardupilot 2.6

Posted on April 14, 2010 at 7:52pm 6 Comments

I had a couple of very brief flights with my slightly modified ArduPilot 2.6 code this evening.

I only had the chance to do a couple of passes in fly by wire mode, but the initial results are promising.

Still some gain tuning to do, but this isn't bad for a first attempt.

In the plot below:

Blue line is bank angle

Red line is pitch

Green is heading.

Blue DOTS indicate times when the Ardupilot was in Fly By Wire…

Continue

ArduPilot Channel 4 Code

Posted on April 14, 2010 at 7:00pm 10 Comments

In case it is useful to anyone, here is my code for controlling the 4th channel through the Ardupilot board.

The main thing that stumped me for a while is you need to change timer2 from CTC mode to Normal mode. The default Ardupilot code has Timer 2 in CTC mode which resets the counter every time the throttle compare interrupt is captured. To drive two channels you need to be in Normal mode allowing the timer to go all the way to 255 before resetting.

Channels 3…

Continue

OpenLog Resetting Issues

Posted on March 31, 2010 at 8:30am 0 Comments

I think I've debugged one of the issues I was having with my OpenLog connecting to Ardupilot. This will probably be blatantly obvious to you veteran Arduino Programmers, but it got me, so I figured I'd post in case it helps anyone else.

After a few flights with only the open log and the ArduIMU, I decided to integrate the ArduPilot board and move the logger to the Ardupilot board. My ArduIMU was now talking to the…

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