Andrew Tridgell's Blog (61)

APM:Plane 3.2.3 and 3.3.0beta1 released

The ArduPilot development team has a special treat for fixed wing users today - a double release!

  • A new stable 3.2.3 release with 3 fixes for 3.2.2
  • A new 3.3.0beta1 release with a lot more changes for wider testing

The 3.2.3 release is a minor update to 3.2.2 with 3…

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Added by Andrew Tridgell on February 22, 2015 at 9:47pm — 28 Comments

APM:Plane 3.2.2 released

The Ardupilot development team has released version 3.2.2 of APM:Plane. This is a bugfix release for some important bugs found by users of the 3.2.1 release.



The changes in this release are:

  • fixed a bug that could cause short term loss of RC control with some receiver systems and configurations
  • allowed for shorter sync pulse widths for PPM-SUM…
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Added by Andrew Tridgell on February 9, 2015 at 4:00pm — 12 Comments

APM:Plane 3.2.1 released

The ardupilot development team is proud to announce the release of version 3.2.1 of APM:Plane. This is primarily intended as a bugfix release, but does have some new features.



The major changes in this release are:

  • fixed a mission handling bug that could cause a crash if jump commands form…
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Added by Andrew Tridgell on February 5, 2015 at 3:25am — 46 Comments

Embedded Linux Conference - submit a paper!

There are only a few days left to submit a paper for the Embedded Linux Conference in San Jose in March. This is the first conference with a Drone specific track organised under…

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Added by Andrew Tridgell on January 5, 2015 at 5:38pm — No Comments

Learning the ArduPilot codebase

I've put together a wiki page on learning the ArduPilot code base. Perhaps you are a ArduPilot user who is looking for something to occupy them while recovering from too much turkey this weekend? Try some of the exercises on this wiki page as a sure fire cure for the effects of…
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Added by Andrew Tridgell on November 27, 2014 at 8:04pm — 18 Comments

APM:Plane 3.2.0 released

The ardupilot development team is proud to announce the release of version 3.2.0 of APM:Plane. This is a major release with a lot of new features.



The changes span a lot of different areas of the code, but arguably the most important changes are:…
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Added by Andrew Tridgell on November 24, 2014 at 8:20pm — 56 Comments

CanberraUAV Outback Challenge 2014 Debrief

We've now had a few days to get back into a normal routine after the excitement of the Outback Challenge last week, so I thought this is a good time to write up a report on how things went for team I was part of, CanberraUAV. There have been plenty of posts already about the competition results, so I will concentrate on the technical details of our OBC entry, what went right and what went…

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Added by Andrew Tridgell on October 3, 2014 at 7:14pm — 32 Comments

APM:Plane 3.1.1 released

The ardupilot development team is proud to announce the release of version 3.1.1 of APM:Plane. This is primarily a bugfix release with a small number of new features.



The main bug fixed in this release is a bug that could affect saving parameters and mission items in the FRAM/eeprom storage of…

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Added by Andrew Tridgell on September 11, 2014 at 6:55pm — 12 Comments

Lidar landing with APM:Plane

Over the last couple of days I have been testing the Lidar based auto-landing code that will be in the upcoming 3.1.1 release of APM:Plane. I'm delighted to say that it has gone very well!

Testing has been done on two planes - one is a Meridian…

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Added by Andrew Tridgell on August 29, 2014 at 2:04am — 31 Comments

APM:Rover 2.46 released

The ardupilot development team is proud to announce the release of version 2.46 of APM:Rover. This is a major release with a lot of new features and bug fixes.



This release is based on a lot of development and testing…

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Added by Andrew Tridgell on August 25, 2014 at 3:04pm — 5 Comments

APM:Plane 3.1.0 released

The ardupilot development team is proud to announce the release of version 3.1.0 of APM:Plane. This is a major release with a lot of new features and bug fixes.



The biggest change in this release is the addition of automatic terrain following. Terrain following allows the autopilot to guide the aircraft…

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Added by Andrew Tridgell on August 25, 2014 at 1:54pm — 24 Comments

First flight of ArduPilot on Linux

I'm delighted to announce that the effort to port ArduPilot to Linux reached an important milestone yesterday with the first flight of a fixed wing aircraft on a Linux based autopilot running ArduPilot.

As I mentioned in a…

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Added by Andrew Tridgell on August 19, 2014 at 8:59pm — 43 Comments

Terrain following added to APM:Plane

In preparation for the upcoming APM:Plane 3.1.0 release I thought it would be useful to showcase some of the new features that have been added.

The biggest new feature in this release is automatic terrain following. That is something I have wanted to add for a long time, and it is now finally done, prompted…

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Added by Andrew Tridgell on August 6, 2014 at 9:41pm — 44 Comments

APM:Plane 3.0.3 released

The ardupilot development team is proud to announce the release of version 3.0.3 of APM:Plane. This release contains some important bug fixes for all supported boards.



The key bug fixes in this release are:

  • fixed handling of filter divergence in the EKF…
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Added by Andrew Tridgell on May 18, 2014 at 5:12pm — 22 Comments

APM:Plane 3.0.2 released

The ardupilot development team is proud to announce the release of version 3.0.2 of APM:Plane. This release combines some important bug fixes with some new features.



I2C bug fix



The most important change for…
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Added by Andrew Tridgell on May 3, 2014 at 11:51pm — 28 Comments

An open letter to Paul from witespy

Hi Paul,

I don't know if you know me. I'm a lead developer for the ardupilot project. You know, the project that you just accused of not being open source in an interview on http://thecrashcast.com/. I write about half the code for the project, so maybe you've heard of me.

If you've been following my work for the last 4 years on ardupilot then you would know that I'm generally a pretty mild mannered person. I try to keep my posts…

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Added by Andrew Tridgell on April 30, 2014 at 7:00am — 120 Comments

APM:Plane 3.0.0 released

The ardupilot development team is proud to announce the release of version 3.0.0 of APM:Plane. This is a major release with a lot of new features.

For each release I try to highlight the two or 3 key new features…

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Added by Andrew Tridgell on April 7, 2014 at 5:42pm — 43 Comments

A peek into the future of ardupilot

At the recent LCA'2014 conference in Perth I gave a couple of talks about research projects I'm working on with ardupilot. These show a couple of the things that we are working towards with APM.

The first is a talk on differential GPS which is part of a collaboration between Ben Nizette at ANU and…

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Added by Andrew Tridgell on January 30, 2014 at 6:00pm — 60 Comments

APM:Plane 2.78 released

I've just released APM:Plane 2.78

This is a bug fix release for a number of important issues found in the 2.77 release. 

The changes in this release are

Fixed sensor start-up on the APM1…

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Added by Andrew Tridgell on January 29, 2014 at 8:30pm — 15 Comments

Advances in airspeed handling

With the release of the 2.74 version of APM:Plane and the introduction of TECS, the ability of APM to…

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Added by Andrew Tridgell on September 17, 2013 at 9:02pm — 43 Comments

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Season Two of the Trust Time Trial (T3) Contest 
A list of all T3 contests is here. The current round, the Vertical Horizontal one, is here

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