
With more than 200 parameters to "tweak", the ardupilot-mega system can be a bit intimidating. Documentation is critical, but in a fast-moving project like APM, it is almost impossible for the documentation to keep up with the code. A major improvement in the code was the addition of inline documentation for the configuration parameters, several months ago. This documentation has been visible recently in the superb new configuration screen in Mission Planner, which provides a detailed description, units, defaults etc. for many key parameters.
Now, this documentation can also be found in the Wiki. Best of all, this wiki page is dynamically generated with every single new revision of the code, just like in Mission Planner. As new parameters are added, or existing ones modified, the developers can change a few lines of comments and the wiki page will update to reflect that change, instantly, from code to wiki.
Visit the new dynamic wiki page Parameters and their meaning
This is an incredibly useful tool. Huge kudos to Andreas!
Comment by Greg Fletcher on July 8, 2012 at 9:11pm Excellent work.
Alt Hold RTL is described twice (?)

@Dror Correct, once in ArduPlane and once in ArduCopter. There is some overlap, but also some subtle differences. That is why it is organized by vehicle.
No, under arducopter, one is for RTL and one is for approach.

Yup, that's a bug in the documentation of the code. Will be fixed ASAP (and then the wiki will update live).
Already pushed some fixes to ArduPlane flight mode documentation.. should appear in a few minutes
Hi Andreas, what's your suggestion for document localization?
Comment by Hein du Plessis on July 8, 2012 at 10:32pm Thank you!!
Comment by Perecastor on July 9, 2012 at 12:53am thanks a lot!
good job for this wiki!
Comment by Adrian Thomas on July 9, 2012 at 8:40am Very useful. Shows up anomolies very easily. Two things.
Firstly, centidegrees. Hundreds of a degree or 0.01 degrees might be clearer, at least to me.
Secondly, under flight modes you have:
| Value | Meaning |
| 0 | Manual |
| 1 | CIRCLE |
| 2 | STABILIZE |
| 5 | FBWA |
| 6 | FBWB |
| 10 | Auto |
| 11 | RTL |
| 12 | Loiter |
| 15 | Guided |
The last is a puzzle. It crops up in the Wiki under Geofencing, but I can't find it defined. What is 'Guided' mode, and how does it differ from, say, Auto or RTL?
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