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Code Issues Releases Wiki Activity

Reduce memory required for sensor entities (#9201)

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Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
This commit is contained in:
J. Nick Koston
2025-06-26 01:15:59 +02:00
committed by GitHub
parent 6d0c6329ad
commit 17497eec43
4 changed files with 49 additions and 11 deletions
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18
esphome/components/sensor/sensor.h
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@@ -80,9 +80,9 @@ class Sensor : public EntityBase, public EntityBase_DeviceClass, public EntityBa
* state changes to the database when they are published, even if the state is the
* same as before.
*/
bool get_force_update() const { return force_update_; }
bool get_force_update() const { return sensor_flags_.force_update; }
/// Set force update mode.
void set_force_update(bool force_update) { force_update_ = force_update; }
void set_force_update(bool force_update) { sensor_flags_.force_update = force_update; }
/// Add a filter to the filter chain. Will be appended to the back.
void add_filter(Filter *filter);
@@ -155,9 +155,17 @@ class Sensor : public EntityBase, public EntityBase_DeviceClass, public EntityBa
Filter *filter_list_{nullptr}; ///< Store all active filters.
optional<int8_t> accuracy_decimals_; ///< Accuracy in decimals override
optional<StateClass> state_class_{STATE_CLASS_NONE}; ///< State class override
bool force_update_{false}; ///< Force update mode
// Group small members together to avoid padding
int8_t accuracy_decimals_{-1}; ///< Accuracy in decimals (-1 = not set)
StateClass state_class_{STATE_CLASS_NONE}; ///< State class (STATE_CLASS_NONE = not set)
// Bit-packed flags for sensor-specific settings
struct SensorFlags {
uint8_t has_accuracy_override : 1;
uint8_t has_state_class_override : 1;
uint8_t force_update : 1;
uint8_t reserved : 5; // Reserved for future use
} sensor_flags_{};
};
} // namespace sensor