esphome/esphome/components/sigma_delta_output/sigma_delta_output.h

67 lines
1.8 KiB
C++

#pragma once
#include "esphome/core/component.h"
#include "esphome/components/output/float_output.h"
namespace esphome {
namespace sigma_delta_output {
class SigmaDeltaOutput : public PollingComponent, public output::FloatOutput {
public:
Trigger<> *get_turn_on_trigger() {
if (!this->turn_on_trigger_)
this->turn_on_trigger_ = make_unique<Trigger<>>();
return this->turn_on_trigger_.get();
}
Trigger<> *get_turn_off_trigger() {
if (!this->turn_off_trigger_)
this->turn_off_trigger_ = make_unique<Trigger<>>();
return this->turn_off_trigger_.get();
}
Trigger<bool> *get_state_change_trigger() {
if (!this->state_change_trigger_)
this->state_change_trigger_ = make_unique<Trigger<bool>>();
return this->state_change_trigger_.get();
}
void set_pin(GPIOPin *pin) { this->pin_ = pin; };
void write_state(float state) override { this->state_ = state; }
void update() override {
this->accum_ += this->state_;
const bool next_value = this->accum_ > 0;
if (next_value) {
this->accum_ -= 1.;
}
if (next_value != this->value_) {
this->value_ = next_value;
if (this->pin_) {
this->pin_->digital_write(next_value);
}
if (this->state_change_trigger_) {
this->state_change_trigger_->trigger(next_value);
}
if (next_value && this->turn_on_trigger_) {
this->turn_on_trigger_->trigger();
} else if (!next_value && this->turn_off_trigger_) {
this->turn_off_trigger_->trigger();
}
}
}
protected:
GPIOPin *pin_{nullptr};
std::unique_ptr<Trigger<>> turn_on_trigger_{nullptr};
std::unique_ptr<Trigger<>> turn_off_trigger_{nullptr};
std::unique_ptr<Trigger<bool>> state_change_trigger_{nullptr};
float accum_{0};
float state_{0.};
bool value_{false};
};
} // namespace sigma_delta_output
} // namespace esphome