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[rp2040] Use full flash for sketch in testing mode

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In testing mode, set filesystem_size to 0m so the full 2MB flash is
available for the sketch partition. This prevents linker overflow when
CI groups many components into a single build, matching the approach
used by ESP8266's testing mode.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
J. Nick Koston
2026-03-12 13:34:20 -10:00
co-authored by Claude Opus 4.6
parent 05d285ba86
commit ce2e0381c1
1 changed files with 6 additions and 1 deletions
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esphome/components/rp2040/__init__.py
+6 -1
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@@ -203,7 +203,12 @@ async def to_code(config):
cg.add_build_flag(f"-Wl,--wrap={symbol}")
cg.add_platformio_option("board_build.core", "earlephilhower")
cg.add_platformio_option("board_build.filesystem_size", "1m")
# In testing mode, use all flash for sketch to allow linking grouped component tests.
# Real RP2040 hardware uses 1MB filesystem + 1MB sketch, but CI tests may combine
# many components that exceed the 1MB sketch partition.
cg.add_platformio_option(
"board_build.filesystem_size", "0m" if CORE.testing_mode else "1m"
)
ver: cv.Version = CORE.data[KEY_CORE][KEY_FRAMEWORK_VERSION]
cg.add_define(