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196 lines
5.9 KiB
196 lines
5.9 KiB
#pragma once
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#include "esphome.h"
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#define CONSTANT_BRIGHTNESS true
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// The lamp circuitry does not support having RGB and white
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// channels active at the same time. Therefore, color interlock
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// must be enabled.
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#define COLOR_INTERLOCK true
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// Same range as supported by the original Yeelight firmware.
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#define HOME_ASSISTANT_MIRED_MIN 153
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#define HOME_ASSISTANT_MIRED_MAX 588
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namespace esphome {
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namespace rgbww {
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class YeelightBedsideLampV2LightOutput : public Component, public LightOutput
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{
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public:
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YeelightBedsideLampV2LightOutput(
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FloatOutput *r, FloatOutput *g, FloatOutput *b, FloatOutput *w,
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esphome::gpio::GPIOBinaryOutput *m1, esphome::gpio::GPIOBinaryOutput *m2) :
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red_(r), green_(g), blue_(b), white_(w), master1_(m1), master2_(m2) {}
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LightTraits get_traits() override
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{
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auto traits = LightTraits();
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traits.set_supports_rgb(true);
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traits.set_supports_color_temperature(true);
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traits.set_supports_brightness(true);
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traits.set_supports_rgb_white_value(false);
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traits.set_supports_color_interlock(COLOR_INTERLOCK);
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traits.set_min_mireds(HOME_ASSISTANT_MIRED_MIN);
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traits.set_max_mireds(HOME_ASSISTANT_MIRED_MAX);
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return traits;
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}
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void write_state(LightState *state) override
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{
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auto values = state->current_values;
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ESP_LOGD("custom", "B = State %f, RGB %f %f %f, BRI %f, TEMP %f",
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values.get_state(),
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values.get_red(), values.get_green(), values.get_blue(),
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values.get_brightness(), values.get_color_temperature());
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// Power down the light when its state is 'off'.
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if (values.get_state() == 0) {
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this->turn_off_();
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return;
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}
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// Leave it to the default tooling to figure out the basics.
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// Because of the color interlocking, there are two possible outcomes:
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// - red, green, blue zero -> the light is in color temperature mode
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// - cwhite, wwhite zero -> the light is in RGB mode
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float red, green, blue, cwhite, wwhite;
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state->current_values_as_rgbww(
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&red, &green, &blue, &cwhite, &wwhite,
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CONSTANT_BRIGHTNESS, COLOR_INTERLOCK);
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if (cwhite > 0 || wwhite > 0) {
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this->turn_on_in_color_temperature_mode_(
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values.get_color_temperature(), values.get_brightness());
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} else {
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this->turn_on_in_rgb_mode_(
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values.get_red(), values.get_green(), values.get_blue(), values.get_brightness());
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}
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}
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private:
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FloatOutput *red_;
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FloatOutput *green_;
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FloatOutput *blue_;
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FloatOutput *white_;
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esphome::gpio::GPIOBinaryOutput *master1_;
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esphome::gpio::GPIOBinaryOutput *master2_;
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void turn_off_()
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{
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master1_->turn_off();
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red_->set_level(0);
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green_->set_level(0);
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blue_->set_level(0);
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white_->set_level(0);
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}
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void turn_on_in_rgb_mode_(float red, float green, float blue, float brightness)
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{
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ESP_LOGD("custom", "Activate RGB %f, %f, %f, BRIGHTNESS %f", red, green, blue, brightness);
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// This tunes the power for the red channel a bit, to bring
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// the red=1, green=1, blue=1 color more towards white.
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// (on my lamps, there is a faint hint of red in the color)
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red = red * 0.95f;
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// Compensate for brightness.
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red = red * brightness;
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green = green * brightness;
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blue = blue * brightness;
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// Inverse the signal. The LEDs in the lamp's circuit are brighter
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// when the voltages on the GPIO pins are lower.
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red = 1.0f - red;
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green = 1.0f - green;
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blue = 1.0f - blue;
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float white = 0.0;
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ESP_LOGD("rgb_mode", "LED state : RGBW %f, %f, %f, %f", red, green, blue, white);
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// Drive the LEDs.
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red_->set_level(red);
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green_->set_level(green);
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blue_->set_level(blue);
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white_->set_level(white);
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master1_->turn_on();
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}
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void turn_on_in_color_temperature_mode_(float temperature, float brightness)
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{
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ESP_LOGD("temperature_mode", "Activate TEMPERATURE %f, BRIGHTNESS %f", temperature, brightness);
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float volt_scaler = 3.23f;
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if (temperature <= HOME_ASSISTANT_MIRED_MAX && temperature >= 371)
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{
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float start = 371;
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float end = 588;
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float band = end - start;
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float red_volt = 2.86f * (1.0f - brightness);
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float red = red_volt / volt_scaler;
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float green_1 = 2.90f + (temperature - start) * (2.97f - 2.90f) / band;
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float green_100 = 0.45f + (temperature - start) * (1.13f - 0.45f) / band;
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float green_volt = green_1 + brightness * (green_100 - green_1);
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float green = green_volt / volt_scaler;
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float blue = 1.0f;
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float white_1 = 0.28f - (temperature - start) * (0.28f - 0.19f) / band;
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float white_100 = 1.07f - (temperature - start) * (1.07f - 0.22f) / band;
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float white_volt = white_1 + brightness * (white_100 - white_1);
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float white = white_volt / volt_scaler;
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ESP_LOGD("temperature_mode", "LED state : RGBW %f, %f, %f, %f", red, green, blue, white);
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red_->set_level(red);
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green_->set_level(green);
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blue_->set_level(blue);
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white_->set_level(white);
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master2_->turn_on();
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master1_->turn_on();
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return;
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}
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else if (temperature >= 334)
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{
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float red_volt = (1.0f - brightness) * 2.86f;
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float red = red_volt / volt_scaler;
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float green_volt = 2.9f - brightness * (2.9f - 0.45f);
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float green = green_volt / volt_scaler;
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float blue = 1.0f;
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float white_volt = 0.28f + brightness * (1.07f - 0.28f);
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float white = white_volt / volt_scaler;
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ESP_LOGD("temperature_mode", "LED state : RGBW %f, %f, %f, %f", red, green, blue, white);
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red_->set_level(red);
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green_->set_level(green);
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blue_->set_level(blue);
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white_->set_level(white);
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master2_->turn_on();
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master1_->turn_on();
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return;
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} else if (temperature >= 313) {
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} else if (temperature >= 251) {
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} else if (temperature >= 223) {
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} else if (temperature >= HOME_ASSISTANT_MIRED_MIN) {
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}
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red_->set_level(0.5);
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green_->set_level(0.5);
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blue_->set_level(0.5);
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master2_->turn_off();
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master1_->turn_off();
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}
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};
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} // namespace rgbww
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} // namespace esphome
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