/*
Joginder
hobbyprojects
10-05-2022 
Waqt_Ne_Kiya_Kya_Haseen_Sitam.ino
*/

/*
Waqt Ne Kiya Kya Haseen Sitam
Tum Rahe Na Tum, Hum Rahe Na Hum

Waqt Ne Kiya...

Beqaraar Dil Iss Tarah Mile
Jis Tarah Kabhi, Hum Juda Na The

Tum Bhi Kho Gaye, Hum Bhi Kho Gaye
Ek Raah Par Chal Ke Do Qadam

Waqt Ne Kiya Kya Haseen Sitam
Tum Rahe Na Tum, Hum Rahe Na Hum

Waqt Ne Kiya...
*/


#define note_F3  175
#define note_F3s 185
#define note_G3  196
#define note_G3s 208
#define note_A3  220
#define note_A3s 233
#define note_B3  247
#define note_C4  262
#define note_C4s 277
#define note_D4  294
#define note_D4s 311
#define note_E4  330
#define note_F4  349
#define note_F4s 370
#define note_G4  392
#define note_G4s 415
#define note_A4  440
#define note_A4s 466
#define note_B4  494
#define note_C5  523
#define note_C5s 554
#define note_D5  587
#define note_D5s 622
#define note_E5  659
#define note_F5  698
#define note_F5s 740
#define note_G5  784
#define note_G5s 831
#define note_A5  880
#define note_A5s 932
#define note_B5  988
#define note_C6  1047

#define silent 0

const int key_G4s = 2;  // G4 sharp
const int key_B4 = 3;
const int key_C5s = 4;
const int key_D5s = 5;
const int key_E5 = 6;
const int key_F5 = 7;
const int key_F5s = 8;
const int key_G5s = 9;
const int key_A5s = 10;
const int key_B5 = 11;

const int key_Demo = A5;

const int speaker = 12;
const int LED = 13;

int n;

int DEMO_notes[] = {
                    note_G4s,400, note_B4,300, note_C5s,400, silent, 100, note_C5s,100, silent, 60, note_C5s,800, silent, 500, note_E5,500, note_D5s,230,
                    note_C5s,400, silent, 60, note_B4,180, silent, 50, note_B4,800, silent, 300, note_C5s,450, note_D5s,200, note_F5,360, silent, 120,
                    note_F5,120, silent, 120, note_F5,900, silent, 425, note_F5s,435, note_F5,270, note_D5s,450, note_C5s,110, silent, 130, note_C5s,740,
                    note_B4,500, silent, 200, note_G4s,400, note_B4,300, note_C5s,400, silent, 100, note_C5s,100, silent, 60, note_C5s,700, silent, 600,
                    note_C5s,460, note_D5s,300, note_F5,450, silent, 100, note_F5,180, silent, 100, note_F5,730, silent, 250, note_F5,280, note_D5s,350,
                    silent, 30, note_F5,260, note_F5s,480, note_F5,260, note_F5s,570, silent, 400, note_F5,460, note_F5s,250, note_G5s,350, silent, 60,
                    note_G5s,150, silent, 60, note_G5s,690, silent, 470, note_B5,300, silent, 100, note_B5,200, note_A5s,400, note_G5s,100, silent, 140,
                    note_G5s,670, silent, 300, note_A5s,445, note_G5s,250, note_A5s,310, silent, 55, note_F5,240, note_F5s,690, silent, 300,note_G5s,445,
                    note_F5s,250, note_G5s,310, silent, 55, note_D5s,240, note_E5,690, silent, 425, note_D5s,400, note_C5s,200, note_D5s,400,note_C5s,200,
                    note_D5s,750, silent, 400, note_F5s,435, note_F5,270, note_D5s,450, note_C5s,110, silent, 130, note_C5s,740, note_B4,500, silent, 200,
                    note_G4s,400, note_B4,300, note_C5s,400, silent, 100, note_C5s,100, silent, 60, note_C5s,800, silent, 500, note_E5,500, note_D5s,230,
                    note_C5s,400, silent, 60, note_B4,180, silent, 50, note_B4,800, silent, 300, note_C5s,450, note_D5s,200, note_F5,360, silent, 120,
                    note_F5,120, silent, 120, note_F5,900, silent, 425, note_F5s,435, note_F5,270, note_D5s,450, note_C5s,110, silent, 130, note_C5s,740,
                    note_B4,500, silent, 200, note_G4s,400, note_B4,300, note_C5s,400, silent, 100, note_C5s,100, silent, 60, note_C5s,700, 0xFF};

void setup() 
{
  pinMode(key_G4s, INPUT_PULLUP);
  pinMode(key_B4, INPUT_PULLUP);
  pinMode(key_C5s, INPUT_PULLUP);
  pinMode(key_D5s, INPUT_PULLUP);
  pinMode(key_E5, INPUT_PULLUP);
  pinMode(key_F5, INPUT_PULLUP);
  pinMode(key_F5s, INPUT_PULLUP);
  pinMode(key_G5s, INPUT_PULLUP);
  pinMode(key_A5s, INPUT_PULLUP);
  pinMode(key_B5, INPUT_PULLUP);

  pinMode(key_Demo, INPUT_PULLUP);

  pinMode(LED, OUTPUT);  
  digitalWrite(LED,LOW);
  
}

void loop() 
{

  while(digitalRead(key_Demo) == LOW)
  {
  digitalWrite(LED,HIGH);    
  play_notes();
  digitalWrite(LED,LOW);   
  delay(2000);
  } 

  while(digitalRead(key_G4s) == LOW)
  {
    tone(speaker,note_G4s);
    digitalWrite(LED,HIGH);    
  }

  while(digitalRead(key_B4) == LOW)
  {
    tone(speaker,note_B4);
    digitalWrite(LED,HIGH);    
  }

  while(digitalRead(key_C5s) == LOW)
  {
    tone(speaker,note_C5s);
    digitalWrite(LED,HIGH);    
  }
  
  while(digitalRead(key_D5s) == LOW)
  {
    tone(speaker,note_D5s);
    digitalWrite(LED,HIGH);    
  }

  while(digitalRead(key_E5) == LOW)
  {
    tone(speaker,note_E5);
    digitalWrite(LED,HIGH);    
  }

  while(digitalRead(key_F5) == LOW)
  {
    tone(speaker,note_F5);
    digitalWrite(LED,HIGH);    
  }

  while(digitalRead(key_F5s) == LOW)
  {
    tone(speaker,note_F5s);
    digitalWrite(LED,HIGH);    
  }

  while(digitalRead(key_G5s) == LOW)
  {
    tone(speaker,note_G5s);
    digitalWrite(LED,HIGH);    
  }

  while(digitalRead(key_A5s) == LOW)
  {
    tone(speaker,note_A5s);
    digitalWrite(LED,HIGH);    
  }

  while(digitalRead(key_B5) == LOW)
  {
    tone(speaker,note_B5);
    digitalWrite(LED,HIGH);    
  }

  noTone(speaker);
  digitalWrite(LED,LOW);  
}

void play_notes()
{
    n = 0;
    while (DEMO_notes[n] != 0xFF) {
    tone(speaker, DEMO_notes[n], DEMO_notes[n+1]);  
    delay(DEMO_notes[n+1] * 1.10);
    noTone(speaker);      
    n = n + 2;
}
  
}