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331 lines
12 KiB
C++
331 lines
12 KiB
C++
#pragma once
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#include "esphome/core/component.h"
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#include "esphome/components/light/light_state.h"
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#include "esphome/components/light/addressable_light.h"
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namespace esphome {
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namespace light {
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inline static int16_t sin16_c(uint16_t theta) {
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static const uint16_t BASE[] = {0, 6393, 12539, 18204, 23170, 27245, 30273, 32137};
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static const uint8_t SLOPE[] = {49, 48, 44, 38, 31, 23, 14, 4};
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uint16_t offset = (theta & 0x3FFF) >> 3; // 0..2047
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if (theta & 0x4000)
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offset = 2047 - offset;
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uint8_t section = offset / 256; // 0..7
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uint16_t b = BASE[section];
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uint8_t m = SLOPE[section];
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uint8_t secoffset8 = uint8_t(offset) / 2;
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uint16_t mx = m * secoffset8;
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int16_t y = mx + b;
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if (theta & 0x8000)
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return -y;
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return y;
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}
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inline static uint8_t half_sin8(uint8_t v) { return sin16_c(uint16_t(v) * 128u) >> 8; }
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class AddressableLightEffect : public LightEffect {
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public:
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explicit AddressableLightEffect(const std::string &name) : LightEffect(name) {}
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void start_internal() override {
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this->get_addressable_()->set_effect_active(true);
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this->get_addressable_()->clear_effect_data();
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this->start();
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}
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void stop() override { this->get_addressable_()->set_effect_active(false); }
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virtual void apply(AddressableLight &it, const ESPColor ¤t_color) = 0;
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void apply() override {
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LightColorValues color = this->state_->remote_values;
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// not using any color correction etc. that will be handled by the addressable layer
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ESPColor current_color =
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ESPColor(static_cast<uint8_t>(color.get_red() * 255), static_cast<uint8_t>(color.get_green() * 255),
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static_cast<uint8_t>(color.get_blue() * 255), static_cast<uint8_t>(color.get_white() * 255));
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this->apply(*this->get_addressable_(), current_color);
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}
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protected:
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AddressableLight *get_addressable_() const { return (AddressableLight *) this->state_->get_output(); }
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};
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class AddressableLambdaLightEffect : public AddressableLightEffect {
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public:
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AddressableLambdaLightEffect(const std::string &name, const std::function<void(AddressableLight &)> &f,
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uint32_t update_interval)
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: AddressableLightEffect(name), f_(f), update_interval_(update_interval) {}
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void apply(AddressableLight &it, const ESPColor ¤t_color) override {
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const uint32_t now = millis();
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if (now - this->last_run_ >= this->update_interval_) {
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this->last_run_ = now;
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this->f_(it);
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}
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}
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protected:
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std::function<void(AddressableLight &)> f_;
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uint32_t update_interval_;
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uint32_t last_run_{0};
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};
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class AddressableRainbowLightEffect : public AddressableLightEffect {
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public:
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explicit AddressableRainbowLightEffect(const std::string &name) : AddressableLightEffect(name) {}
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void apply(AddressableLight &it, const ESPColor ¤t_color) override {
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ESPHSVColor hsv;
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hsv.value = 255;
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hsv.saturation = 240;
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uint16_t hue = (millis() * this->speed_) % 0xFFFF;
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const uint16_t add = 0xFFFF / this->width_;
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for (auto var : it) {
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hsv.hue = hue >> 8;
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var = hsv;
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hue += add;
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}
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}
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void set_speed(uint32_t speed) { this->speed_ = speed; }
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void set_width(uint16_t width) { this->width_ = width; }
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protected:
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uint32_t speed_{10};
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uint16_t width_{50};
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};
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struct AddressableColorWipeEffectColor {
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uint8_t r, g, b, w;
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bool random;
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size_t num_leds;
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};
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class AddressableColorWipeEffect : public AddressableLightEffect {
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public:
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explicit AddressableColorWipeEffect(const std::string &name) : AddressableLightEffect(name) {}
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void set_colors(const std::vector<AddressableColorWipeEffectColor> &colors) { this->colors_ = colors; }
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void set_add_led_interval(uint32_t add_led_interval) { this->add_led_interval_ = add_led_interval; }
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void set_reverse(bool reverse) { this->reverse_ = reverse; }
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void apply(AddressableLight &it, const ESPColor ¤t_color) override {
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const uint32_t now = millis();
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if (now - this->last_add_ < this->add_led_interval_)
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return;
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this->last_add_ = now;
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if (this->reverse_)
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it.shift_left(1);
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else
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it.shift_right(1);
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const AddressableColorWipeEffectColor color = this->colors_[this->at_color_];
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const ESPColor esp_color = ESPColor(color.r, color.g, color.b, color.w);
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if (!this->reverse_)
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it[-1] = esp_color;
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else
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it[0] = esp_color;
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if (++this->leds_added_ >= color.num_leds) {
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this->leds_added_ = 0;
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this->at_color_ = (this->at_color_ + 1) % this->colors_.size();
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AddressableColorWipeEffectColor &new_color = this->colors_[this->at_color_];
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if (new_color.random) {
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ESPColor c = ESPColor::random_color();
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new_color.r = c.r;
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new_color.g = c.g;
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new_color.b = c.b;
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}
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}
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}
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protected:
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std::vector<AddressableColorWipeEffectColor> colors_;
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size_t at_color_{0};
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uint32_t last_add_{0};
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uint32_t add_led_interval_{};
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size_t leds_added_{0};
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bool reverse_{};
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};
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class AddressableScanEffect : public AddressableLightEffect {
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public:
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explicit AddressableScanEffect(const std::string &name) : AddressableLightEffect(name) {}
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void set_move_interval(uint32_t move_interval) { this->move_interval_ = move_interval; }
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void apply(AddressableLight &it, const ESPColor ¤t_color) override {
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it.all() = ESPColor::BLACK;
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it[this->at_led_] = current_color;
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const uint32_t now = millis();
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if (now - this->last_move_ > this->move_interval_) {
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if (direction_) {
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this->at_led_++;
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if (this->at_led_ == it.size() - 1)
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this->direction_ = false;
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} else {
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this->at_led_--;
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if (this->at_led_ == 0)
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this->direction_ = true;
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}
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this->last_move_ = now;
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}
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}
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protected:
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uint32_t move_interval_{};
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uint32_t last_move_{0};
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int at_led_{0};
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bool direction_{true};
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};
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class AddressableTwinkleEffect : public AddressableLightEffect {
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public:
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explicit AddressableTwinkleEffect(const std::string &name) : AddressableLightEffect(name) {}
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void apply(AddressableLight &addressable, const ESPColor ¤t_color) override {
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const uint32_t now = millis();
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uint8_t pos_add = 0;
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if (now - this->last_progress_ > this->progress_interval_) {
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const uint32_t pos_add32 = (now - this->last_progress_) / this->progress_interval_;
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pos_add = pos_add32;
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this->last_progress_ += pos_add32 * this->progress_interval_;
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}
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for (auto view : addressable) {
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if (view.get_effect_data() != 0) {
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const uint8_t sine = half_sin8(view.get_effect_data());
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view = current_color * sine;
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const uint8_t new_pos = view.get_effect_data() + pos_add;
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if (new_pos < view.get_effect_data())
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view.set_effect_data(0);
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else
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view.set_effect_data(new_pos);
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} else {
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view = ESPColor::BLACK;
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}
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}
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while (random_float() < this->twinkle_probability_) {
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const size_t pos = random_uint32() % addressable.size();
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if (addressable[pos].get_effect_data() != 0)
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continue;
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addressable[pos].set_effect_data(1);
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}
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}
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void set_twinkle_probability(float twinkle_probability) { this->twinkle_probability_ = twinkle_probability; }
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void set_progress_interval(uint32_t progress_interval) { this->progress_interval_ = progress_interval; }
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protected:
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float twinkle_probability_{0.05f};
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uint32_t progress_interval_{4};
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uint32_t last_progress_{0};
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};
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class AddressableRandomTwinkleEffect : public AddressableLightEffect {
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public:
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explicit AddressableRandomTwinkleEffect(const std::string &name) : AddressableLightEffect(name) {}
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void apply(AddressableLight &it, const ESPColor ¤t_color) override {
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const uint32_t now = millis();
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uint8_t pos_add = 0;
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if (now - this->last_progress_ > this->progress_interval_) {
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pos_add = (now - this->last_progress_) / this->progress_interval_;
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this->last_progress_ = now;
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}
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uint8_t subsine = ((8 * (now - this->last_progress_)) / this->progress_interval_) & 0b111;
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for (auto view : it) {
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if (view.get_effect_data() != 0) {
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const uint8_t x = (view.get_effect_data() >> 3) & 0b11111;
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const uint8_t color = view.get_effect_data() & 0b111;
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const uint16_t sine = half_sin8((x << 3) | subsine);
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if (color == 0) {
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view = current_color * sine;
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} else {
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view = ESPColor(((color >> 2) & 1) * sine, ((color >> 1) & 1) * sine, ((color >> 0) & 1) * sine);
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}
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const uint8_t new_x = x + pos_add;
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if (new_x > 0b11111)
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view.set_effect_data(0);
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else
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view.set_effect_data((new_x << 3) | color);
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} else {
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view = ESPColor(0, 0, 0, 0);
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}
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}
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while (random_float() < this->twinkle_probability_) {
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const size_t pos = random_uint32() % it.size();
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if (it[pos].get_effect_data() != 0)
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continue;
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const uint8_t color = random_uint32() & 0b111;
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it[pos].set_effect_data(0b1000 | color);
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}
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}
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void set_twinkle_probability(float twinkle_probability) { this->twinkle_probability_ = twinkle_probability; }
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void set_progress_interval(uint32_t progress_interval) { this->progress_interval_ = progress_interval; }
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protected:
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float twinkle_probability_{};
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uint32_t progress_interval_{};
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uint32_t last_progress_{0};
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};
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class AddressableFireworksEffect : public AddressableLightEffect {
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public:
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explicit AddressableFireworksEffect(const std::string &name) : AddressableLightEffect(name) {}
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void start() override {
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auto &it = *this->get_addressable_();
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it.all() = ESPColor::BLACK;
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}
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void apply(AddressableLight &it, const ESPColor ¤t_color) override {
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const uint32_t now = millis();
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if (now - this->last_update_ < this->update_interval_)
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return;
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this->last_update_ = now;
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// "invert" the fade out parameter so that higher values make fade out faster
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const uint8_t fade_out_mult = 255u - this->fade_out_rate_;
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for (auto view : it) {
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ESPColor target = view.get() * fade_out_mult;
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if (target.r < 64)
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target *= 170;
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view = target;
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}
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int last = it.size() - 1;
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it[0].set(it[0].get() + (it[1].get() * 128));
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for (int i = 1; i < last; i++) {
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it[i] = (it[i - 1].get() * 64) + it[i].get() + (it[i + 1].get() * 64);
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}
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it[last] = it[last].get() + (it[last - 1].get() * 128);
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if (random_float() < this->spark_probability_) {
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const size_t pos = random_uint32() % it.size();
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if (this->use_random_color_) {
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it[pos] = ESPColor::random_color();
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} else {
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it[pos] = current_color;
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}
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}
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}
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void set_update_interval(uint32_t update_interval) { this->update_interval_ = update_interval; }
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void set_spark_probability(float spark_probability) { this->spark_probability_ = spark_probability; }
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void set_use_random_color(bool random_color) { this->use_random_color_ = random_color; }
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void set_fade_out_rate(uint8_t fade_out_rate) { this->fade_out_rate_ = fade_out_rate; }
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protected:
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uint8_t fade_out_rate_{};
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uint32_t update_interval_{};
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uint32_t last_update_{0};
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float spark_probability_{};
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bool use_random_color_{};
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};
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class AddressableFlickerEffect : public AddressableLightEffect {
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public:
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explicit AddressableFlickerEffect(const std::string &name) : AddressableLightEffect(name) {}
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void apply(AddressableLight &it, const ESPColor ¤t_color) override {
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const uint32_t now = millis();
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const uint8_t delta_intensity = 255 - this->intensity_;
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if (now - this->last_update_ < this->update_interval_)
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return;
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this->last_update_ = now;
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fast_random_set_seed(random_uint32());
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for (auto var : it) {
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const uint8_t flicker = fast_random_8() % this->intensity_;
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var = (var.get() * delta_intensity) + (current_color * flicker);
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}
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}
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void set_update_interval(uint32_t update_interval) { this->update_interval_ = update_interval; }
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void set_intensity(float intensity) { this->intensity_ = static_cast<uint8_t>(roundf(intensity * 255.0f)); }
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protected:
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uint32_t update_interval_{16};
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uint32_t last_update_{0};
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uint8_t intensity_{13};
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};
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} // namespace light
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} // namespace esphome
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