#include <Adafruit_NeoPixel.h> //8 6 4 5 

#define LED_PIN     8   // WS2812连接的引脚
#define NUM_LEDS    24   // WS2812的数量
int PRESS = 0;
int LIGHT = 0;

Adafruit_NeoPixel strip = Adafruit_NeoPixel(NUM_LEDS, LED_PIN, NEO_GRB + NEO_KHZ800);

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  pinMode(6, INPUT_PULLUP);
  pinMode(16, INPUT_PULLUP);//左转
  pinMode(17, INPUT_PULLUP); //右转
  strip.begin();
  strip.show(); // 初始化所有像素为'off'
}

void loop() {
  if (!digitalRead(6)) {
    int n = 0;
    while (digitalRead(16) == LOW) {
      strip.setPixelColor(n, strip.Color(255, 255, 0));
      strip.show();
      n++;
      if (n == 24) {
        n = 0;
        delay(70);
        setColor(0, 0, 0);
      }
      delay(60);
    }
    if (digitalRead(16) != digitalRead(17)) {
      setColor(0, 0, 0);
    }
    n = 24;
    while (digitalRead(17) == LOW) {//右转
      Serial.println(n);
      n--;
      strip.setPixelColor(n, strip.Color(255, 255, 0));
      strip.show();
      if (n == 0) {
        n = 24;
        delay(70);
        setColor(0, 0, 0);
      }
      delay(60);
    }
    if (digitalRead(16) != digitalRead(17)) {
      setColor(0, 0, 0);
    }
    if (digitalRead(16) == digitalRead(17)) {
      //////////////////////////////////////////////////////////////////////////////////////
      PRESS = analogRead(4);
      LIGHT = analogRead(5);
      Serial.print(LIGHT);
      Serial.print("L P");
      Serial.println(PRESS);
      if (LIGHT < 2000) {
        if (PRESS > 100) {
          breatheEffect(90); // 调用呼吸效果函数，频率为90次每秒
        } else {
          setColor(255, 0, 0); // 设置为常亮红色
        }
      }
      else {
        if (PRESS > 200) {
          breatheEffect(90); // 调用呼吸效果函数，频率为90次每秒
        }
        else {
          setColor(0, 0, 0);
        }
      }
    }
  }
  else
  {
    delay(20);
  }
}

void setColor(uint8_t r, uint8_t g, uint8_t b) {
  for (int i = 0; i < strip.numPixels(); i++) {
    strip.setPixelColor(i, strip.Color(r, g, b)); // 设置每个像素的颜色
  }
  strip.show(); // 显示更新后的颜色
}

void breatheEffect(int frequency) {
  unsigned long interval = 1000 / (frequency * 2); // 计算每次呼吸的时间间隔（毫秒），乘2因为包含了淡入和淡出

  for (int brightness = 0; brightness < 256; brightness++) {
    setColor(brightness, 0, 0); // 呼吸效果的亮度控制
    delay(interval);
  }
  for (int brightness = 255; brightness >= 0; brightness--) {
    setColor(brightness, 0, 0); // 呼吸效果的亮度控制
    delay(interval);
  }
}