1
0
mirror of https://github.com/esphome/esphome.git synced 2025-09-02 11:22:24 +01:00
Files
esphome/esphome/components/sensor/sensor.cpp
2025-07-16 04:56:49 +00:00

110 lines
3.2 KiB
C++

#include "sensor.h"
#include "esphome/core/log.h"
namespace esphome {
namespace sensor {
static const char *const TAG = "sensor";
std::string state_class_to_string(StateClass state_class) {
switch (state_class) {
case STATE_CLASS_MEASUREMENT:
return "measurement";
case STATE_CLASS_TOTAL_INCREASING:
return "total_increasing";
case STATE_CLASS_TOTAL:
return "total";
case STATE_CLASS_NONE:
default:
return "";
}
}
Sensor::Sensor() : state(NAN), raw_state(NAN) {}
int8_t Sensor::get_accuracy_decimals() {
if (this->sensor_flags_.has_accuracy_override)
return this->accuracy_decimals_;
return 0;
}
void Sensor::set_accuracy_decimals(int8_t accuracy_decimals) {
this->accuracy_decimals_ = accuracy_decimals;
this->sensor_flags_.has_accuracy_override = true;
}
void Sensor::set_state_class(StateClass state_class) {
this->state_class_ = state_class;
this->sensor_flags_.has_state_class_override = true;
}
StateClass Sensor::get_state_class() {
if (this->sensor_flags_.has_state_class_override)
return this->state_class_;
return StateClass::STATE_CLASS_NONE;
}
void Sensor::publish_state(float state) {
this->raw_state = state;
if (this->raw_callback_) {
this->raw_callback_->call(state);
}
ESP_LOGV(TAG, "'%s': Received new state %f", this->name_.c_str(), state);
if (this->filter_list_ == nullptr) {
this->internal_send_state_to_frontend(state);
} else {
this->filter_list_->input(state);
}
}
void Sensor::add_on_state_callback(std::function<void(float)> &&callback) { this->callback_.add(std::move(callback)); }
void Sensor::add_on_raw_state_callback(std::function<void(float)> &&callback) {
if (!this->raw_callback_) {
this->raw_callback_ = make_unique<CallbackManager<void(float)>>();
}
this->raw_callback_->add(std::move(callback));
}
void Sensor::add_filter(Filter *filter) {
// inefficient, but only happens once on every sensor setup and nobody's going to have massive amounts of
// filters
ESP_LOGVV(TAG, "Sensor(%p)::add_filter(%p)", this, filter);
if (this->filter_list_ == nullptr) {
this->filter_list_ = filter;
} else {
Filter *last_filter = this->filter_list_;
while (last_filter->next_ != nullptr)
last_filter = last_filter->next_;
last_filter->initialize(this, filter);
}
filter->initialize(this, nullptr);
}
void Sensor::add_filters(const std::vector<Filter *> &filters) {
for (Filter *filter : filters) {
this->add_filter(filter);
}
}
void Sensor::set_filters(const std::vector<Filter *> &filters) {
this->clear_filters();
this->add_filters(filters);
}
void Sensor::clear_filters() {
if (this->filter_list_ != nullptr) {
ESP_LOGVV(TAG, "Sensor(%p)::clear_filters()", this);
}
this->filter_list_ = nullptr;
}
float Sensor::get_state() const { return this->state; }
float Sensor::get_raw_state() const { return this->raw_state; }
void Sensor::internal_send_state_to_frontend(float state) {
this->set_has_state(true);
this->state = state;
ESP_LOGD(TAG, "'%s': Sending state %.5f %s with %d decimals of accuracy", this->get_name().c_str(), state,
this->get_unit_of_measurement().c_str(), this->get_accuracy_decimals());
this->callback_.call(state);
}
} // namespace sensor
} // namespace esphome