ESPHome 2026.2.3
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esphome::sensor::DeltaFilter Class Reference

#include <filter.h>

Inheritance diagram for esphome::sensor::DeltaFilter:
esphome::sensor::Filter

Public Member Functions

 DeltaFilter (float min_a0, float min_a1, float max_a0, float max_a1)
 
void set_baseline (float(*fn)(float))
 
optional< float > new_value (float value) override
 
- Public Member Functions inherited from esphome::sensor::Filter
virtual void initialize (Sensor *parent, Filter *next)
 Initialize this filter, please note this can be called more than once.
 
void input (float value)
 
void output (float value)
 

Protected Attributes

float min_a0_
 
float min_a1_
 
float max_a0_
 
float max_a1_
 
float(* baseline_ )(float) = [](float last_value) { return last_value; }
 
float last_value_ {NAN}
 
- Protected Attributes inherited from esphome::sensor::Filter
friend Sensor
 
Filternext_ {nullptr}
 
Sensorparent_ {nullptr}
 

Detailed Description

Definition at line 453 of file filter.h.

Constructor & Destructor Documentation

◆ DeltaFilter()

esphome::sensor::DeltaFilter::DeltaFilter ( float min_a0,
float min_a1,
float max_a0,
float max_a1 )
explicit

Definition at line 299 of file filter.cpp.

Member Function Documentation

◆ new_value()

optional< float > esphome::sensor::DeltaFilter::new_value ( float value)
overridevirtual

Implements esphome::sensor::Filter.

Definition at line 304 of file filter.cpp.

◆ set_baseline()

void esphome::sensor::DeltaFilter::set_baseline ( float(* fn )(float))

Definition at line 302 of file filter.cpp.

Field Documentation

◆ baseline_

float(* esphome::sensor::DeltaFilter::baseline_) (float) = [](float last_value) { return last_value; }
protected

Definition at line 467 of file filter.h.

◆ last_value_

float esphome::sensor::DeltaFilter::last_value_ {NAN}
protected

Definition at line 469 of file filter.h.

◆ max_a0_

float esphome::sensor::DeltaFilter::max_a0_
protected

Definition at line 465 of file filter.h.

◆ max_a1_

float esphome::sensor::DeltaFilter::max_a1_
protected

Definition at line 465 of file filter.h.

◆ min_a0_

float esphome::sensor::DeltaFilter::min_a0_
protected

Definition at line 465 of file filter.h.

◆ min_a1_

float esphome::sensor::DeltaFilter::min_a1_
protected

Definition at line 465 of file filter.h.


The documentation for this class was generated from the following files: