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72 lines
2.3 KiB
72 lines
2.3 KiB
#pragma once
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#include <array>
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#include <stdexcept>
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#include "common.h"
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#include "color_off.h"
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#include "color_night_light.h"
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#include "color_white_light.h"
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#include "color_rgb_light.h"
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namespace esphome {
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namespace yeelight {
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namespace bs2 {
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/// This class translates LightColorValues into GPIO duty cycles
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/// for representing a requested light color.
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///
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/// The code handles all known light modes for the device:
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///
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/// - off: the light is off
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/// - night light: activated when brightness is at its lowest
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/// - white light: based on color temperature + brightness
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/// - RGB light: based on RGB values + brightness
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class ColorTranslator : public GPIOOutputs {
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public:
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bool set_light_color_values(light::LightColorValues v) {
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values = v;
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GPIOOutputs *delegate = nullptr;
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// Well, not much light here! Use the off "color".
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if (v.get_state() == 0.0f || v.get_brightness() == 0.0f) {
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delegate = off_light_;
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}
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// At the lowest brightness setting, switch to night light mode.
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// In the Yeelight integration in Home Assistant, this feature is
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// exposed trough a separate switch. I have found that the switch
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// is both confusing and made me run into issues when automating
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// the lights.
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// I don't simply check for a brightness at or below 0.01 (1%),
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// because the lowest brightness setting from Home Assistant
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// turns up as 0.011765 in here (which is 3/255).
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else if (v.get_brightness() < 0.012f) {
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delegate = night_light_;
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}
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// When white light is requested, then use the color temperature
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// white light mode: temperature + brightness.
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else if (v.get_white() > 0.0f) {
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delegate = white_light_;
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}
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// Otherwise, use RGB color mode: red, green, blue + brightness.
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else {
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delegate = rgb_light_;
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}
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delegate->set_light_color_values(v);
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delegate->copy_to(this);
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return true;
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}
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protected:
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GPIOOutputs *off_light_ = new ColorOff();
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GPIOOutputs *rgb_light_ = new ColorRGBLight();
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GPIOOutputs *white_light_ = new ColorWhiteLight();
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GPIOOutputs *night_light_ = new ColorNightLight();
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};
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} // namespace yeelight_bs2
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} // namespace yeelight
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} // namespace bs2
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