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57 lines
2.0 KiB
57 lines
2.0 KiB
#pragma once
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#include "common.h"
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#include "gpio_outputs.h"
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namespace esphome {
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namespace yeelight {
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namespace bs2 {
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/**
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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, the light will switch to night light
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* mode. 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 is both
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* confusing and made me run into issues when automating the lights.
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* Using the lowest brightness for triggering the night light feels a lot
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* more natural.
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*/
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class ColorNightLight : public GPIOOutputs {
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protected:
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bool set_light_color_values(light::LightColorValues v) {
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// Note: I do not check for a brightness at or below 0.01 (1%) here,
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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 and not 1/100).
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if (v.get_brightness() >= 0.012f) {
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return false;
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}
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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 = esphome::lerp(v.get_red(), 0.9997f, 0.9680f);
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green = esphome::lerp(v.get_green(), 0.9997f, 0.9680f);
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auto blue_scale = (v.get_red() + v.get_green()) / 2.0f;
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auto blue_max = esphome::lerp(blue_scale, 0.9640f, 0.9720f);
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blue = esphome::lerp(v.get_blue(), 0.9997f, blue_max);
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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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