ArduPilot/ardupilot

Copter: move RC_Channels_Copter::save_trim to Copter class

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#32,279 opened on Feb 24, 2026

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CopterNon-Functional Changegood first issue

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Description

Feature Request

As part of reviewing PR https://github.com/ArduPilot/ardupilot/pull/32233 @peterbarker and @rmackay9 both thought that it would be best if this was moved to the Copter class. The means the code itself should be moved from RC_Channel_Copter to Copter.cpp (I think)

This shouldn't be any change in behaviour but it should be at least lightly tested in SITL.

Contributor guide

Research direction
Review PR #32233 for context on the intended change. Move the `save trim` function from `RC Channel Copter` to `Copter.cpp`, ensuring no behavior change. Test the change in SITL simulation.
Tech stack
cpp
Domain
backend
Issue type
Refactor
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
Half day
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Mostly clear
Prerequisites
C++ArduPilot codebase familiarity
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
50