Never gonna Give you Up With Passive Buzzer!

1/*  RickRollCode
2
3    AUTHOR: Rowan Packard
4    rowanpackard@gmail.com
5
6    DISCLAIMER: The song "Never Gonna Give You Up" by Rick Astley
7    is not  the creative property of the author. This code simply
8    plays a Piezo buzzer  rendition of the song.
9*/
10
11#define  a3f    208     // 208 Hz
12#define  b3f    233     // 233 Hz
13#define  b3     247     // 247 Hz
14#define  c4     261     // 261 Hz MIDDLE C
15#define  c4s    277     // 277 Hz
16#define  e4f    311     // 311 Hz    
17#define  f4     349     // 349 Hz 
18#define  a4f    415     // 415 Hz  
19#define  b4f    466     // 466 Hz 
20#define  b4     493     //  493 Hz 
21#define  c5     523     // 523 Hz 
22#define  c5s    554     // 554  Hz
23#define  e5f    622     // 622 Hz  
24#define  f5     698     // 698 Hz 
25#define  f5s    740     // 740 Hz
26#define  a5f    831     // 831 Hz 
27
28#define  rest    -1
29
30int piezo = 9; // Connect your piezo buzzer to this pin or change  it to match your circuit!
31int led = LED_BUILTIN; 
32
33volatile int beatlength  = 100; // determines tempo
34float beatseparationconstant = 0.3;
35
36int threshold;
37
38int  a; // part index
39int b; // song index
40int c; // lyric index
41
42boolean  flag;
43
44// Parts 1 and 2 (Intro)
45
46int song1_intro_melody[] =
47{c5s,  e5f, e5f, f5, a5f, f5s, f5, e5f, c5s, e5f, rest, a4f, a4f};
48
49int song1_intro_rhythmn[]  =
50{6, 10, 6, 6, 1, 1, 1, 1, 6, 10, 4, 2, 10};
51
52// Parts 3 or 5 (Verse 1)
53
54int  song1_verse1_melody[] =
55{ rest, c4s, c4s, c4s, c4s, e4f, rest, c4, b3f, a3f,
56  rest, b3f, b3f, c4, c4s, a3f, a4f, a4f, e4f,
57  rest, b3f, b3f, c4, c4s, b3f,  c4s, e4f, rest, c4, b3f, b3f, a3f,
58  rest, b3f, b3f, c4, c4s, a3f, a3f, e4f,  e4f, e4f, f4, e4f,
59  c4s, e4f, f4, c4s, e4f, e4f, e4f, f4, e4f, a3f,
60  rest,  b3f, c4, c4s, a3f, rest, e4f, f4, e4f
61};
62
63int song1_verse1_rhythmn[] =
64{  2, 1, 1, 1, 1, 2, 1, 1, 1, 5,
65  1, 1, 1, 1, 3, 1, 2, 1, 5,
66  1, 1, 1, 1, 1,  1, 1, 2, 1, 1, 1, 1, 3,
67  1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 4,
68  5, 1, 1, 1,  1, 1, 1, 1, 2, 2,
69  2, 1, 1, 1, 3, 1, 1, 1, 3
70};
71
72const char* lyrics_verse1[]  =
73{ "We're ", "no ", "strangers ", "", "to ", "love ", "", "\
\
74",
75  "You ", "know ", "the ", "rules ", "and ", "so ", "do ", "I\
\
76",
77  "A ", "full ", "commitment's ", "", "", "what ", "I'm ", "thinking  ", "", "of", "\
\
78",
79  "You ", "wouldn't ", "", "get ", "this  ", "from ", "any ", "", "other ", "", "guy\
\
80",
81  "I ", "just  ", "wanna ", "", "tell ", "you ", "how ", "I'm ", "feeling", "\
\
82",
83  "Gotta ", "", "make ", "you ", "understand", "", "\
\
84"
85};
86
87//  Parts 4 or 6 (Chorus)
88
89int song1_chorus_melody[] =
90{ b4f, b4f, a4f, a4f,
91  f5, f5, e5f, b4f, b4f, a4f, a4f, e5f, e5f, c5s, c5, b4f,
92  c5s, c5s, c5s, c5s,
93  c5s, e5f, c5, b4f, a4f, a4f, a4f, e5f, c5s,
94  b4f, b4f, a4f, a4f,
95  f5,  f5, e5f, b4f, b4f, a4f, a4f, a5f, c5, c5s, c5, b4f,
96  c5s, c5s, c5s, c5s,
97  c5s, e5f, c5, b4f, a4f, rest, a4f, e5f, c5s, rest
98};
99
100int song1_chorus_rhythmn[]  =
101{ 1, 1, 1, 1,
102  3, 3, 6, 1, 1, 1, 1, 3, 3, 3, 1, 2,
103  1, 1, 1, 1,
104  3, 3, 3, 1, 2, 2, 2, 4, 8,
105  1, 1, 1, 1,
106  3, 3, 6, 1, 1, 1, 1, 3, 3, 3,  1, 2,
107  1, 1, 1, 1,
108  3, 3, 3, 1, 2, 2, 2, 4, 8, 4
109};
110
111const char*  lyrics_chorus[] =
112{ "Never ", "", "gonna ", "", "give ", "you ",  "up\
\
113",
114  "Never ", "", "gonna ", "", "let ", "you ", "down",  "", "\
\
115",
116  "Never ", "", "gonna ", "", "run ", "around ",  "", "", "", "and ", "desert ", "", "you\
\
117",
118  "Never ", "",  "gonna ", "", "make ", "you ", "cry\
\
119",
120  "Never ", "", "gonna  ", "", "say ", "goodbye ", "", "", "\
\
121",
122  "Never ", "",  "gonna ", "", "tell ", "a ", "lie ", "", "", "and ", "hurt ",  "you\
\
123"
124};
125
126void setup()
127{
128  pinMode(piezo, OUTPUT);
129  pinMode(led,  OUTPUT);
130
131  digitalWrite(led, LOW);
132  Serial.begin(9600);
133  flag = true;
134  a = 4;
135  b = 0;
136  c = 0;
137}
138
139void loop()
140{
141
142
143  // play  next step in song
144  if (flag == true) {
145    play();
146  }
147}
148
149void  play() {
150  int notelength;
151  if (a == 1 || a == 2) {
152    // intro
153    notelength  = beatlength * song1_intro_rhythmn[b];
154    if (song1_intro_melody[b] > 0) {
155      digitalWrite(led, HIGH);
156      tone(piezo, song1_intro_melody[b], notelength);
157    }
158    b++;
159    if (b >= sizeof(song1_intro_melody) / sizeof(int)) {
160      a++;
161      b = 0;
162      c = 0;
163    }
164  }
165  else if (a == 3  || a == 5) {
166    // verse
167    notelength = beatlength * 2 * song1_verse1_rhythmn[b];
168    if (song1_verse1_melody[b] > 0) {
169      digitalWrite(led, HIGH);
170      Serial.print(lyrics_verse1[c]);
171      tone(piezo, song1_verse1_melody[b], notelength);
172      c++;
173    }
174    b++;
175    if (b >= sizeof(song1_verse1_melody) / sizeof(int)) {
176      a++;
177      b = 0;
178      c = 0;
179    }
180  }
181  else if (a == 4 || a == 6) {
182    // chorus
183    notelength = beatlength * song1_chorus_rhythmn[b];
184    if  (song1_chorus_melody[b] > 0) {
185      digitalWrite(led, HIGH);
186      Serial.print(lyrics_chorus[c]);
187      tone(piezo, song1_chorus_melody[b], notelength);
188      c++;
189    }
190    b++;
191    if (b >= sizeof(song1_chorus_melody) / sizeof(int)) {
192      Serial.println("");
193      a++;
194      b = 0;
195      c = 0;
196    }
197  }
198  delay(notelength);
199  noTone(piezo);
200  digitalWrite(led, LOW);
201  delay(notelength * beatseparationconstant);
202  if (a == 7) { // loop back around to beginning of song
203    a = 1;
204  }
205}