//YWROBOT
//Compatible with the Arduino IDE 1.0
//Library version:1.1
#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x27,16,2);  // set the LCD address to 0x27 for a 16 chars and 2 line display

void play_tone(int pin, float f, long len){
  const float dc=0.5;
  long p=1000000/f;
  int d1=p*dc;
  int count=len/p;
  for (int c=0;c<count;++c){
    digitalWrite(pin, HIGH);
    delayMicroseconds(d1);
    digitalWrite(pin, LOW);
    delayMicroseconds(d1);
  }
}

void setup()
{
  lcd.init();                      // initialize the lcd
  // Print a message to the LCD.
  lcd.backlight();
  pinMode(8, OUTPUT);
}


void loop()
{
  const long len1 = 1000000;
  int long b4 = 493.88;
  int long c5 = 523.25;
  int long d5 = 587.33;
  int long d5r = 623.295;
  int long e5 = 659.26;
  int long f5 = 698.46;
  int long f5r = 741.225;
  int long g5 = 783.99;
  int long a5 = 880.00;
  int long a5b = 831.995;
  int long b5 = 987.77;
  int long c6 = 1046.5;
  int long d6b = 1097.1;
  int long d6 = 1174.7;
  int long a5r = 933.885;
  int long a4r = 466.94;
  tone(8, b4, len1);
  delay(250);
  tone(8, e5, len1);
  delay(500);
  tone(8, g5, len1);
  delay(125);
  tone(8, f5r, len1);
  delay(250);
  tone(8, e5, len1);
  delay(500);
  tone(8, b5, len1);
  delay(250);
  tone(8, a5, len1);
  delay(1000);
  tone(8, f5r, len1);
  delay(1000);
  tone(8, e5, len1);
  delay(500);
  tone(8, g5, len1);
  delay(125);
  tone(8, f5r, len1);
  delay(250);
  tone(8, d5r, len1);
  delay(500);
  tone(8, f5, len1);
  delay(250);
  tone(8, b4, len1);
  delay(1000);
  tone(8, b4, len1);
  delay(250);
  tone(8, e5, len1);
  delay(500);
  tone(8, g5, len1);
  delay(125);
  tone(8, f5r, len1);
  delay(250);
  tone(8, e5, len1);
  delay(500);
  tone(8, b5, len1);
  delay(250);
  tone(8, d6, len1);
  delay(500);
  tone(8, d6b, len1);
  delay(250);
  tone(8, c6, len1);
  delay(500);
  tone(8, a5b, len1);
  delay(250);
  tone(8, c6, len1);
  delay(500);
  tone(8, b5, len1);
  delay(125);
  tone(8, a5r, len1);
  delay(250);
  tone(8, a4r, len1);
  delay(500);
  tone(8, g5, len1);
  delay(250);
  tone(8, e5, len1);
  delay(1000);
}