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[fastled_base] Fix RMT5 intr_priority conflict (#17072)

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Jonathan Swoboda
2026-06-19 23:19:17 -04:00
parent 8d77051b9a
commit fe794a26e8
1 changed files with 5 additions and 0 deletions
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5
esphome/components/fastled_base/__init__.py
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@@ -50,6 +50,11 @@ async def new_fastled_light(config):
ref="d44c800a9e876a8394caefc2ce4915dd96dac77b",
)
cg.add_library("SPI", None)
# FastLED's RMT5 driver hard-codes intr_priority=3, which conflicts with
# esphome's RMT channels (remote_transmitter etc., priority 0): the IDF
# driver rejects FastLED's channel and show() then hangs ~3s with no
# output. Override to 0 so it shares the interrupt. See #17063.
cg.add_build_flag("-DFL_RMT5_INTERRUPT_LEVEL=0")
else:
cg.add_library("fastled/FastLED", "3.9.16")
await light.register_light(var, config)