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Code Issues Releases Wiki Activity

Optimize SafeModeComponent memory layout to reduce padding (#9228)

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This commit is contained in:
J. Nick Koston
2025-06-27 01:25:26 +02:00
committed by GitHub
parent b182f2d544
commit 4f5aacdb3a
1 changed files with 4 additions and 1 deletions
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5
esphome/components/safe_mode/safe_mode.h
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@@ -33,12 +33,15 @@ class SafeModeComponent : public Component {
void write_rtc_(uint32_t val); void write_rtc_(uint32_t val);
uint32_t read_rtc_(); uint32_t read_rtc_();
bool boot_successful_{false}; ///< set to true after boot is considered successful // Group all 4-byte aligned members together to avoid padding
uint32_t safe_mode_boot_is_good_after_{60000}; ///< The amount of time after which the boot is considered successful uint32_t safe_mode_boot_is_good_after_{60000}; ///< The amount of time after which the boot is considered successful
uint32_t safe_mode_enable_time_{60000}; ///< The time safe mode should remain active for uint32_t safe_mode_enable_time_{60000}; ///< The time safe mode should remain active for
uint32_t safe_mode_rtc_value_{0}; uint32_t safe_mode_rtc_value_{0};
uint32_t safe_mode_start_time_{0}; ///< stores when safe mode was enabled uint32_t safe_mode_start_time_{0}; ///< stores when safe mode was enabled
// Group 1-byte members together to minimize padding
bool boot_successful_{false}; ///< set to true after boot is considered successful
uint8_t safe_mode_num_attempts_{0}; uint8_t safe_mode_num_attempts_{0};
// Larger objects at the end
ESPPreferenceObject rtc_; ESPPreferenceObject rtc_;
CallbackManager<void()> safe_mode_callback_{}; CallbackManager<void()> safe_mode_callback_{};