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refactor(editor): extract editor + display into host-testable crates

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Move the editor core out of the firmware crate (pinned to the xtensa
target, so it can't run `cargo test`) into a standalone `editor` crate,
with the panel framebuffer + geometry split into a `display` crate. Both
depend only on embedded-graphics + keymap, so the editor is now
host-buildable and unit-tested (8 characterization tests). Firmware links
them and re-exports the geometry from epd.rs; behaviour is unchanged.

The xtensa firmware build was not verified in this environment.
This commit is contained in:
Julien Calixte
2026-07-11 00:28:37 +02:00
parent 875658a661
commit e8063a2b13
7 changed files with 189 additions and 65 deletions
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10
display/Cargo.toml Normal file
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@@ -0,0 +1,10 @@
[package]
name = "display"
version = "0.1.0"
edition = "2021"
description = "The GDEY0579T93 panel's geometry plus an in-memory drawable Frame (an embedded-graphics DrawTarget), split out of the hardware driver so the driver and the host-testable editor crate share one framebuffer definition without pulling in esp-idf."
# Pure embedded-graphics — no esp/std hardware deps — so the editor crate that
# renders onto Frame stays host-buildable and testable off the xtensa target.
[dependencies]
embedded-graphics = "0.8"