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#pragma once
#include "../common.h"
#include "../light_hal.h"
#include "color_handler_chain.h"
#include "esphome/components/light/light_transformer.h"
#include "esphome/components/light/light_color_values.h"
namespace esphome {
namespace xiaomi {
namespace bslamp2 {
/**
* A LightTransitionTransformer class for the Xiaomi Mijia Bedside Lamp 2.
*/
class XiaomiBslamp2LightTransitionTransformer : public light::LightTransitionTransformer {
public:
explicit XiaomiBslamp2LightTransitionTransformer(
LightHAL *light,
CallbackManager<void(std::string)> light_mode_callback,
CallbackManager<void(light::LightColorValues)> state_callback) :
light_(light),
light_mode_callback_(light_mode_callback),
state_callback_(state_callback) { }
bool is_finished() override {
return force_finish_ || get_progress_() >= 1.0f;
}
void start() override {
// Determine the GPIO outputs to use for the start and end point.
// This light transition transformer will then transition linearly between them.
light_->copy_to(&start_);
end_.set_light_color_values(target_values_);
// Update the light mode of the light HAL to the target state, unless
// this is night mode. For night mode, the update is done after the
// state has been reached. This makes sure that forcing instant
// transitions for night light to night light is only done when the
// night light status has actually been reached. E.g. when in RGB mode
// and transitioning to night light in 10 seconds, interrupting this
// after 5 seconds with a new night light setting should not make the
// transition instant.
if (end_.light_mode != LIGHT_MODE_NIGHT) {
light_->set_light_mode(end_.light_mode);
}
// Run callbacks. These are normally called from the LightOutput, but
// since I don't call LightOutput::write_state() from this transformer's
// code, these callbacks must be called from this transformer instead.
light_mode_callback_.call(end_.light_mode);
state_callback_.call(target_values_);
}
optional<light::LightColorValues> apply() override {
// When transitioning between night mode light colors, then do this immediately.
// The LED driver circuitry is not capable of doing clean color or brightness
// transitions at the low levels as used for the night light.
if (end_.light_mode == LIGHT_MODE_NIGHT && start_.light_mode == LIGHT_MODE_NIGHT) {
light_->set_state(&end_);
force_finish_ = true;
}
// Otherwise perform a standard transformation.
else {
auto smoothed = light::LightTransitionTransformer::smoothed_progress(get_progress_());
light_->set_rgbw(
esphome::lerp(smoothed, start_.red, end_.red),
esphome::lerp(smoothed, start_.green, end_.green),
esphome::lerp(smoothed, start_.blue, end_.blue),
esphome::lerp(smoothed, start_.white, end_.white));
if (end_.light_mode != LIGHT_MODE_OFF) {
light_->turn_on();
}
}
if (is_finished()) {
light_->set_light_mode(end_.light_mode);
if (end_.light_mode == LIGHT_MODE_OFF) {
light_->turn_off();
}
return target_values_;
} else {
return {};
}
}
protected:
LightHAL *light_;
bool force_finish_{false};
GPIOOutputValues start_{};
ColorHandlerChain end_{};
CallbackManager<void(std::string)> light_mode_callback_{};
CallbackManager<void(light::LightColorValues)> state_callback_{};
};
} // namespace bslamp2
} // namespace xiaomi
} // namespace esphome