Reorganizes the tree so adding a new panel is purely additive — drop in a
new src/panels/{vendor}/v{N}/ folder and a new platformio.ini env block,
no surgery to existing files.
Layout:
src/ shared across all panels
src/panels/waveshare73/v1/ V1 driver, version, README
data/waveshare73-v1/ LittleFS payload at this panel's size
src/config.h still defines the panel-agnostic bits (NVS keys, color
palette, network, sync-fail border) but EPD_WIDTH / EPD_HEIGHT / pin
assignments now come from each env's -D flags. Strict #error guards in
production builds; native tests get the V1 defaults via UNIT_TEST.
build_src_filter per env picks the right driver:
waveshare73-v1 main + panels/waveshare73/v1/
test-display test_display + panels/waveshare73/v1/
sim-yellow sim_border + panels/waveshare73/v1/
sim-red sim_border + panels/waveshare73/v1/
native-test unchanged
When V2 hardware lands, the diff is a new env block, a new
src/panels/waveshare133/v1/epd_driver.cpp, and regenerated screens at
data/waveshare133-v1/. Existing V1 envs stay frozen — re-flashing old
units remains a one-liner.
scripts/gen_screens.py takes --panel to target the correct
data/{panel}/ subfolder; defaults to waveshare73-v1.
29/29 native tests pass. All four hardware envs build clean.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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