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hbridge_light_output.h
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hbridge_light_output.h
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#pragma once
#include "esphome/core/component.h"
#include "esphome/components/output/float_output.h"
#include "esphome/components/light/light_output.h"
#include "esphome/core/log.h"
namespace esphome {
namespace hbridge {
// Using PollingComponent as the updates are more consistent and reduces flickering
class HBridgeLightOutput : public PollingComponent, public light::LightOutput {
public:
HBridgeLightOutput() : PollingComponent(1) {}
void set_pina_pin(output::FloatOutput *pina_pin) { pina_pin_ = pina_pin; }
void set_pinb_pin(output::FloatOutput *pinb_pin) { pinb_pin_ = pinb_pin; }
light::LightTraits get_traits() override {
auto traits = light::LightTraits();
traits.set_supported_color_modes({light::ColorMode::COLD_WARM_WHITE});
traits.set_min_mireds(153);
traits.set_max_mireds(500);
return traits;
}
void setup() override { this->forward_direction_ = false; }
void update() override {
// This method runs around 60 times per second
// We cannot do the PWM ourselves so we are reliant on the hardware PWM
if (!this->forward_direction_) { // First LED Direction
this->pina_pin_->set_level(this->pina_duty_);
this->pinb_pin_->set_level(0);
this->forward_direction_ = true;
} else { // Second LED Direction
this->pina_pin_->set_level(0);
this->pinb_pin_->set_level(this->pinb_duty_);
this->forward_direction_ = false;
}
}
float get_setup_priority() const override { return setup_priority::HARDWARE; }
void write_state(light::LightState *state) override {
state->current_values_as_cwww(&this->pina_duty_, &this->pinb_duty_, false);
}
protected:
output::FloatOutput *pina_pin_;
output::FloatOutput *pinb_pin_;
float pina_duty_ = 0;
float pinb_duty_ = 0;
bool forward_direction_ = false;
};
} // namespace hbridge
} // namespace esphome