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fix throttle average nan handling (#6275)

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Co-authored-by: Samuel Sieb <samuel@sieb.net>
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Samuel Sieb 2024-02-25 10:26:35 -08:00 committed by Jesse Hills
parent e66e135a63
commit f3174c58bc
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2 changed files with 7 additions and 2 deletions
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6
esphome/components/sensor/filter.cpp
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@ -252,7 +252,9 @@ ThrottleAverageFilter::ThrottleAverageFilter(uint32_t time_period) : time_period
optional<float> ThrottleAverageFilter::new_value(float value) { optional<float> ThrottleAverageFilter::new_value(float value) {
ESP_LOGVV(TAG, "ThrottleAverageFilter(%p)::new_value(value=%f)", this, value); ESP_LOGVV(TAG, "ThrottleAverageFilter(%p)::new_value(value=%f)", this, value);
if (!std::isnan(value)) { if (std::isnan(value)) {
this->have_nan_ = true;
} else {
this->sum_ += value; this->sum_ += value;
this->n_++; this->n_++;
} }
@ -262,12 +264,14 @@ void ThrottleAverageFilter::setup() {
this->set_interval("throttle_average", this->time_period_, [this]() { this->set_interval("throttle_average", this->time_period_, [this]() {
ESP_LOGVV(TAG, "ThrottleAverageFilter(%p)::interval(sum=%f, n=%i)", this, this->sum_, this->n_); ESP_LOGVV(TAG, "ThrottleAverageFilter(%p)::interval(sum=%f, n=%i)", this, this->sum_, this->n_);
if (this->n_ == 0) { if (this->n_ == 0) {
if (this->have_nan_)
this->output(NAN); this->output(NAN);
} else { } else {
this->output(this->sum_ / this->n_); this->output(this->sum_ / this->n_);
this->sum_ = 0.0f; this->sum_ = 0.0f;
this->n_ = 0; this->n_ = 0;
} }
this->have_nan_ = false;
}); });
} }
float ThrottleAverageFilter::get_setup_priority() const { return setup_priority::HARDWARE; } float ThrottleAverageFilter::get_setup_priority() const { return setup_priority::HARDWARE; }

1
esphome/components/sensor/filter.h
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@ -245,6 +245,7 @@ class ThrottleAverageFilter : public Filter, public Component {
uint32_t time_period_; uint32_t time_period_;
float sum_{0.0f}; float sum_{0.0f};
unsigned int n_{0}; unsigned int n_{0};
bool have_nan_{false};
}; };
using lambda_filter_t = std::function<optional<float>(float)>; using lambda_filter_t = std::function<optional<float>(float)>;