I can't find loop or setup in ardupilot.cpp

ArduPlane Plane 4.0
1

I can’t find loop or setup in arduplane.cpp.I konw setup , loop and fastloop are in ardupilot.cpp in the old edition. Where are they now?

2

Have you found the dev wiki?

https://ardupilot.org/dev/docs/learning-the-ardupilot-codebase.html

3

Thank you,I will go to have a look.

4

Have you found the fastloop or something like that? Thanks!