#include <Adafruit_NeoPixel.h>    // 声明调用灯带库
#include "WS2812_Definitions.h"

#define PIN 7
#define LED_COUNT 30
Adafruit_NeoPixel leds = Adafruit_NeoPixel(LED_COUNT, PIN, NEO_GRB + NEO_KHZ800);

#include <Servo.h>           // 声明调用Servo库
Servo myservo;               // 创建一个舵机对象
int potpin = 0;              // 连接到模拟口0               
int val;                     //变量val用来存储从模拟口0读到的值

#include <SoftwareSerial.h>
#include <DFRobotDFPlayerMini.h>
SoftwareSerial mp3SoftwareSerial(10, 11);
DFRobotDFPlayerMini myDFPlayer; //实例化对象



void setup() {
  Serial.begin(9600);  // 设置串口波特率为9600
   pinMode(2,OUTPUT);//路线1
   pinMode(3,OUTPUT);//路线2
   pinMode(4,OUTPUT);//路线3
   pinMode(5,OUTPUT); //路线4
   pinMode(6,OUTPUT); //路线5

   //控制罗盘灯的部分
    leds.begin();  // Call this to start up the LED strip.
    clearLEDs();   // This function, defined below, turns all LEDs off...
    leds.show();   // ...but the LEDs don't actually update until you call this.

   //控制舵机旋转部分
       myservo.attach(9);          // 将引脚9上的舵机与声明的舵机对象连接起来

       pinMode(A0, INPUT);
       mp3SoftwareSerial.begin(9600);
  
  myDFPlayer.begin(mp3SoftwareSerial);
  myDFPlayer.volume(30);  //Set volume value. From 0 to 30
  myDFPlayer.play(1);
  delay(3 * 1000);
}

void loop() {


       val = analogRead(potpin);         //从模拟口0读值，并通过val记录    
       Serial.println(String("电位器返回")+analogRead(A0)); //将读取的A0模拟值输出到串口监视器
ledSensor();
       val = map(val, 0, 1023, 0, 179);  //通过map函数进行数值转换    
       myservo.write(val);               // 给舵机写入角度  
       delay(15);                        // 延时15ms让舵机转到指定位置  


    //设定（1，70）是回家的部分，从50以后起航
  if ((70< analogRead(A0)) && (analogRead(A0)< 225)) { //路线1
    Serial.println(222);
    digitalWrite(2,HIGH);
     digitalWrite(3,LOW);
     digitalWrite(4,LOW);
     digitalWrite(5,LOW);
     digitalWrite(6,LOW);
    myDFPlayer.play(3); //俄罗斯
    delay(23 * 1000); //时长21s
  }
  else if ((225< analogRead(A0)) && (analogRead(A0)< 425)) {//路线2
    Serial.println(333);
    digitalWrite(2,LOW);
     digitalWrite(3,HIGH);
     digitalWrite(4,LOW);
     digitalWrite(5,LOW);
     digitalWrite(6,LOW);
    myDFPlayer.play(5); //地中海
    delay(25 * 1000); //时长24s
  }
  else if ((425< analogRead(A0)) && (analogRead(A0)< 625)) {//路线3
    Serial.println(444);
    digitalWrite(2,LOW);
     digitalWrite(3,LOW);
     digitalWrite(4,HIGH);
     digitalWrite(5,LOW);
     digitalWrite(6,LOW);
    myDFPlayer.play(7); //东南亚
    delay(25 * 1000);//时长23s
  }
  else if ((625< analogRead(A0)) && (analogRead(A0)< 825))  {//路线4
    Serial.println(555);
    digitalWrite(2,LOW);
     digitalWrite(3,LOW);
     digitalWrite(4,LOW);
     digitalWrite(5,HIGH);
     digitalWrite(6,LOW);
    myDFPlayer.play(9); //印度洋
    delay(20 * 1000);//时长17s
  }
  else if ((825< analogRead(A0)) && (analogRead(A0)< 1023))  {//路线5
    Serial.println(666);
   digitalWrite(2,LOW);
     digitalWrite(3,LOW);
     digitalWrite(4,LOW);
     digitalWrite(5,LOW);
     digitalWrite(6,HIGH);
    myDFPlayer.play(11); //南太平洋
    delay(24 * 1000);//时长20s
  }

}

void cylon(unsigned long color, int mm)
{
  // weight determines how much lighter the outer "eye" colors are
  const byte weight = 4;  
  byte red = (color & 0xFF0000) >> 16;
  byte green = (color & 0x00FF00) >> 8;
  byte blue = (color & 0x0000FF);

    clearLEDs();
    leds.setPixelColor(mm, red, green, blue);  // Set the bright middle eye
    // Now set two eyes to each side to get progressively dimmer
    for (int j=1; j<=mm; j++)
    {
      if (mm-j >= 0)
        leds.setPixelColor(mm-j, red/(weight*j), green/(weight*j), blue/(weight*j));
    }
    leds.show();  // Turn the LEDs on

  
  // Now we go back to where we came. Do the same thing.
 
}

// Cascades a single direction. One time.

void clearLEDs()
{
  for (int i=0; i<LED_COUNT; i++)
  {
    leds.setPixelColor(i, 0);
  }
}

void ledSensor(){
    int sensorValue = analogRead(A0);
    int m=sensorValue/35;
    cylon(INDIGO, m);  // Indigo cylon eye!
}