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104 lines
3.5 KiB
104 lines
3.5 KiB
#pragma once
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#include "../common.h"
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#include "../light_hal.h"
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#include "color_handler_chain.h"
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#include "esphome/components/light/light_transition.h"
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#include "esphome/components/light/transitions.h"
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#include "esphome/components/light/light_color_values.h"
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namespace esphome {
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namespace xiaomi {
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namespace bslamp2 {
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/**
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* A LightTransition class for the Xiaomi Mijia Bedside Lamp 2.
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*/
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class XiaomiBslamp2LightTransition : public light::LightTransition {
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public:
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explicit XiaomiBslamp2LightTransition(std::string name, LightHAL *light) :
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light::LightTransition(name),
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light_(light) { }
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// TODO deprecate or compile for 2018.8.* only.
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bool is_finished() {
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return is_completed();
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}
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bool is_completed() override {
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return force_finish_ || get_progress_() >= 1.0f;
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}
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void start() override {
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// Determine the GPIO outputs to use for the start and end point.
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// This light transition transformer will then transition linearly between them.
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light_->copy_to(start_);
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end_->set_light_color_values(target_values_);
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// Update the light mode of the light HAL to the target state, unless
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// this is night mode. For night mode, the update is done after the
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// state has been reached. This makes sure that forcing instant
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// transitions for night light to night light is only done when the
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// night light status has actually been reached. E.g. when in RGB mode
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// and transitioning to night light in 10 seconds, interrupting this
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// after 5 seconds with a new night light setting should not make the
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// transition instant.
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if (end_->light_mode != LIGHT_MODE_NIGHT) {
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light_->set_light_mode(end_->light_mode);
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}
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// Run callbacks. These are normally called from the LightOutput, but
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// since I don't call LightOutput::write_state() from this transformer's
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// code, these callbacks must be called from this transformer as well.
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light_->do_light_mode_callback(end_->light_mode);
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light_->do_state_callback(target_values_);
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}
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optional<light::LightColorValues> apply() override {
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// When transitioning between night mode light colors, then do this immediately.
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// The LED driver circuitry is not capable of doing clean color or brightness
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// transitions at the low levels as used for the night light.
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if (end_->light_mode == LIGHT_MODE_NIGHT && start_->light_mode == LIGHT_MODE_NIGHT) {
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light_->set_state(end_);
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force_finish_ = true;
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}
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// Otherwise perform a standard transformation.
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else {
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auto smoothed = smoothed_progress_(get_progress_());
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light_->set_rgbw(
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esphome::lerp(smoothed, start_->red, end_->red),
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esphome::lerp(smoothed, start_->green, end_->green),
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esphome::lerp(smoothed, start_->blue, end_->blue),
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esphome::lerp(smoothed, start_->white, end_->white));
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if (end_->light_mode != LIGHT_MODE_OFF) {
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light_->turn_on();
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}
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}
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if (is_finished()) {
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light_->set_light_mode(end_->light_mode);
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if (end_->light_mode == LIGHT_MODE_OFF) {
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light_->turn_off();
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}
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return target_values_;
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} else {
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return {};
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}
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}
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protected:
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LightHAL *light_;
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bool force_finish_{false};
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GPIOOutputValues *start_ = new GPIOOutputValues();
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ColorHandler *end_ = new ColorHandlerChain();
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protected:
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static float smoothed_progress_(float x) {
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return x * x * x * (x * (x * 6.0f - 15.0f) + 10.0f);
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}
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};
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} // namespace bslamp2
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} // namespace xiaomi
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} // namespace esphome
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