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Guard the AutorepeatFilterTiming field types read from flash

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J. Nick Koston
2026-10-02 20:59:52 -05:00
parent 15936f9a55
commit eae1b99232
1 changed files with 7 additions and 0 deletions
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esphome/components/binary_sensor/filter.h
+7
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@@ -1,6 +1,8 @@
#pragma once
#include "esphome/core/defines.h"
#include <type_traits>
#ifdef USE_BINARY_SENSOR_FILTER
#include "esphome/core/automation.h"
@@ -85,6 +87,11 @@ struct AutorepeatFilterTiming {
uint32_t time_off;
uint32_t time_on;
};
// Read straight from flash on ESP8266, so every field must stay a word.
static_assert(std::is_same_v<decltype(AutorepeatFilterTiming::delay), uint32_t> &&
std::is_same_v<decltype(AutorepeatFilterTiming::time_off), uint32_t> &&
std::is_same_v<decltype(AutorepeatFilterTiming::time_on), uint32_t>,
"AutorepeatFilterTiming fields must stay uint32_t");
/// Timings live in a PROGMEM table emitted by codegen. Every field is uint32_t, so aligned
/// loads straight from flash are safe on ESP8266.