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Code Issues Releases Wiki Activity

Add ADC sampling method option (#8131)

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Co-authored-by: Djordje Mandic <6750655+DjordjeMandic@users.noreply.github.com>
This commit is contained in:
Igor Novgorodov
2025-02-10 05:32:54 +01:00
committed by GitHub
parent 0d13e2040d
commit 1ab1768b6a
9 changed files with 132 additions and 30 deletions
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55
esphome/components/adc/adc_sensor_common.cpp
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@@ -6,6 +6,59 @@ namespace adc {
static const char *const TAG = "adc.common";
const LogString *sampling_mode_to_str(SamplingMode mode) {
switch (mode) {
case SamplingMode::AVG:
return LOG_STR("average");
case SamplingMode::MIN:
return LOG_STR("minimum");
case SamplingMode::MAX:
return LOG_STR("maximum");
}
return LOG_STR("unknown");
}
Aggregator::Aggregator(SamplingMode mode) {
this->mode_ = mode;
// set to max uint if mode is "min"
if (mode == SamplingMode::MIN) {
this->aggr_ = UINT32_MAX;
}
}
void Aggregator::add_sample(uint32_t value) {
this->samples_ += 1;
switch (this->mode_) {
case SamplingMode::AVG:
this->aggr_ += value;
break;
case SamplingMode::MIN:
if (value < this->aggr_) {
this->aggr_ = value;
}
break;
case SamplingMode::MAX:
if (value > this->aggr_) {
this->aggr_ = value;
}
}
}
uint32_t Aggregator::aggregate() {
if (this->mode_ == SamplingMode::AVG) {
if (this->samples_ == 0) {
return this->aggr_;
}
return (this->aggr_ + (this->samples_ >> 1)) / this->samples_; // NOLINT(clang-analyzer-core.DivideZero)
}
return this->aggr_;
}
void ADCSensor::update() {
float value_v = this->sample();
ESP_LOGV(TAG, "'%s': Got voltage=%.4fV", this->get_name().c_str(), value_v);
@@ -18,6 +71,8 @@ void ADCSensor::set_sample_count(uint8_t sample_count) {
}
}
void ADCSensor::set_sampling_mode(SamplingMode sampling_mode) { this->sampling_mode_ = sampling_mode; }
float ADCSensor::get_setup_priority() const { return setup_priority::DATA; }
} // namespace adc