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[sensor] Fix bug in percentage based delta filter (#8157)

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Co-authored-by: J. Nick Koston <nick@koston.org>
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Jonathan Swoboda 2025-07-31 22:15:56 -04:00 committed by GitHub
parent f13e742bd5
commit 0954a6185c
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1 changed files with 2 additions and 4 deletions
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6
esphome/components/sensor/filter.cpp
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@ -375,13 +375,11 @@ optional<float> DeltaFilter::new_value(float value) {
if (std::isnan(this->last_value_)) { if (std::isnan(this->last_value_)) {
return {}; return {};
} else { } else {
if (this->percentage_mode_) {
this->current_delta_ = fabsf(value * this->delta_);
}
return this->last_value_ = value; return this->last_value_ = value;
} }
} }
if (std::isnan(this->last_value_) || fabsf(value - this->last_value_) >= this->current_delta_) { float diff = fabsf(value - this->last_value_);
if (std::isnan(this->last_value_) || (diff > 0.0f && diff >= this->current_delta_)) {
if (this->percentage_mode_) { if (this->percentage_mode_) {
this->current_delta_ = fabsf(value * this->delta_); this->current_delta_ = fabsf(value * this->delta_);
} }