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55 lines
1.9 KiB
55 lines
1.9 KiB
#pragma once
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#include "common.h"
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namespace esphome {
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namespace yeelight {
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namespace bs2 {
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class ColorNightLight : public GPIOOutputs {
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public:
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bool set_light_color_values(light::LightColorValues v) {
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// This class can handle the GPIO outputs for the night light mode.
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//
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// At the lowest brightness setting, switch to night light mode. In
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// the Yeelight integration in Home Assistant, this feature is
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// exposed trough a separate switch. I have found that the switch is
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// both confusing and made me run into issues when automating the
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// lights.
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//
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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 turns
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// up as 0.011765 in here (which is 3/255).
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if (v.get_brightness() >= 0.012f) {
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return false;
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}
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values = v;
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// This night light mode is activated when white light is selected.
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// Based on measurements using the original device firmware, so it
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// matches the night light of the original firmware.
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if (v.get_white() > 0) {
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red = 0.968f;
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green = 0.968f;
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blue = 0.972f;
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white = 0.0f;
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}
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// In RGB mode, the selected color is used to give the night light a
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// specific color, instead of the default. This is a nice extra for
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// this firmware, as the original firmware does not support it.
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else {
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red = 0.9997f - v.get_red() * (0.9997f - 0.9680f);
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green = 0.9997f - v.get_green() * (0.9997f - 0.9680f);
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auto blue_on = 0.9720f + (0.9640f - 0.9720f) * (1.0f - (v.get_red() + v.get_green())/2.0f);
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blue = 0.9997f - v.get_blue() * (0.9997f - blue_on);
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white = 0.0f;
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}
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return true;
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}
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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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