/**
   Mini piano for Arduino.

   You can control the colorful buttons with your keyboard:
   After starting the simulation, click anywhere in the diagram to focus it.
   Then press any key between 1 and 8 to play the piano (1 is the lowest note,
   8 is the highest).

   Copyright (C) 2021, Uri Shaked. Released under the MIT License.
*/

// 2017/5/13
// Faya-Nugget 範例程式 (EMBuzzer_3.ino)
// 單元: 模組介紹-faya蜂鳴器模組
// 網址: http://fayalab.blogspot.com/2017/05/faya_11.html 
// 目標 (1) 利用Arduino所提供的pitch.h音階列表，撥放小星星

// 接線: Arduino ==> faya模組
//             8 ==> BZ (蜂鳴器模組)

#include "pitches.h"

// 蜂鳴器腳位設定
int Buzzer_Pin_BZ = 8;

//小星星的音階
int star[]={NOTE_C4,NOTE_C4,NOTE_G4,NOTE_G4,NOTE_A4,NOTE_A4,NOTE_G4, \
            NOTE_F4,NOTE_F4,NOTE_E4,NOTE_E4,NOTE_D4,NOTE_D4,NOTE_C4, \
            NOTE_G4,NOTE_G4,NOTE_F4,NOTE_F4,NOTE_E4,NOTE_E4,NOTE_D4, \
            NOTE_G4,NOTE_G4,NOTE_F4,NOTE_F4,NOTE_E4,NOTE_E4,NOTE_D4, \             
            NOTE_C4,NOTE_C4,NOTE_G4,NOTE_G4,NOTE_A4,NOTE_A4,NOTE_G4, \
            NOTE_F4,NOTE_F4,NOTE_E4,NOTE_E4,NOTE_D4,NOTE_D4,NOTE_C4};

//每個音階的長度
int beat[]={ 2,2,2,2,  2,2,1,  \
             2,2,2,2,  2,2,1,  \
             2,2,2,2,  2,2,1,  \
             2,2,2,2,  2,2,1,  \
             2,2,2,2,  2,2,1,  \
             2,2,2,2,  2,2,1,};

void setup()
{
  pinMode(Buzzer_Pin_BZ,OUTPUT);
}

void loop() {
  for(int i=0; i<=41; i++)
     {
       int duration = 1000/beat[i];
       tone(Buzzer_Pin_BZ, star[i], duration);  // 播放C5,D5,E5,F5,G5,A5,B5,C6,各0.5秒
       int pauseBetweenNote=duration * 1.15;
       delay(pauseBetweenNote);   // 每個音間隔0.2秒
     }
}