Seven Note Keyboard

1/*
2  Seven notes keyboard + 4 songs + rec and play functions
3  Hacking  of Arduino Starter Kit example Project 7 - Keyboard created 13 Sep 2012 by Scott  Fitzgerald
4
5  created February 2022
6  by Roberto Zaffanella
7
8*/
9
10//  create an array of notes
11int notes[] = {0, 262, 294, 330, 349, 392, 440, 494,  196};
12//                DO4  RE4  MI4  FA4  SOL4 LA4  SI4  SOL3 
13
14int rgb[9][3]  = {{0,0,0}, {0,0,255}, {255,0,140}, {255,0,0}, {0,255,0}, {255,165,0}, {255,92,203},  {255,255,0}, {255,165,0}};
15//                OFF       BLUE       PURPLE       RED        GREEN      ORANGE       PINK          YELLOW       ORANGE
16
17// Oh!  When the saints go marchinig'in (first digit is the note , the second one is the  note duration)
18int song_1[32][2] = {{1,1}, {3,1}, {4,1}, {5,5}, {1,1}, {3,1},  {4,1}, {5,5}, 
19                     {1,1}, {3,1}, {4,1}, {5,2}, {3,2}, {1,2},  {3,2}, {2,5},
20                     {3,1}, {3,1}, {2,1}, {1,3}, {1,1}, {3,2},
21                     {5,2}, {5,1}, {4,5}, 
22                     {3,1}, {4,1},  {5,2}, {3,2}, {1,2}, {2,2}, {1,5}};
23
24// Jingle Bells
25int song_2[30][2]  = {{3,1}, {3,1}, {3,2}, {3,1}, {3,1}, {3,2}, 
26                     {3,1}, {5,1},  {1,1}, {2,1}, {3,4},
27                     {4,1}, {4,1}, {4,1}, {4,1}, {4,1},  {3,1}, {3,1}, {3,1},
28                     {3,1}, {2,1}, {2,1}, {3,1}, {2,2},  {5,2}, 
29                     {5,1}, {5,1}, {4,1}, {2,1}, {1,2}};                                                      
30
31//  Oh! Susanna
32int song_3[52][2] = {{1,1}, {3,1}, {5,1}, {5,1}, {6,1}, {5,1}, {3,1},  {1,1}, {2,1}, {3,1}, {3,1}, {2,1}, {1,1}, {2,3},
33                     {1,1},  {3,1}, {5,1}, {5,1}, {6,1}, {5,1}, {3,1}, {1,1}, {2,1}, {3,1}, {3,1}, {2,1}, {2,1},  {1,4}, 
34                     {4,2}, {4,2}, {6,1}, {6,2}, {6,1}, {5,1}, {5,1},  {3,1}, {1,1}, {2,3}, 
35                     {1,1}, {3,1}, {5,1}, {5,1}, {6,1},  {5,1}, {3,1}, {1,1}, {2,1}, {3,1}, {3,1}, {2,1}, {2,1}, {1,4}};
36
37// Ode to  Joy (require SOL3 more than basic notes so SOL3 has been added as exception to notes  list and also in rgb list color as orange like SOL4)
38int song_4[62][2] = {{3,2},  {3,2}, {4,2}, {5,2}, {5,2}, {4,2}, {3,2}, {2,2},
39                   {1,2}, {1,2},  {2,2}, {3,2}, {3,3}, {2,1}, {2,4},
40                   {3,2}, {3,2}, {4,2}, {5,2},  {5,2}, {4,2}, {3,2}, {2,2},
41                   {1,2}, {1,2}, {2,2}, {3,2}, {2,3},  {1,1}, {1,4},
42                   {2,2}, {2,2}, {3,2}, {1,2}, {2,2}, {3,1}, {4,1},  {3,2}, {1,2},
43                   {2,2}, {3,1}, {4,1}, {3,2}, {2,2}, {1,2}, {2,2},  {8,2},
44                   {3,4}, {3,2}, {4,2}, {5,2}, {5,2}, {4,2}, {3,2}, {2,2},
45                   {1,2}, {1,2}, {2,2}, {3,2}, {2,3}, {1,1}, {1,4}};
46
47int  rec[110][2] = {};  //first digit is the note (0 for nothing played) and second digit  is the duration
48const int greenLEDPin = 10;
49const int redLEDPin = 11;
50const  int blueLEDPin = 9;
51const int photoresistor = A3;
52int btn = 0; // 0 = no buttons  are pressed
53int j = 0; // recording index
54int current_btn = 0;
55
56void  setup() {
57  pinMode(2,INPUT); // Button 7
58  pinMode(greenLEDPin,OUTPUT);
59  pinMode(redLEDPin,OUTPUT);
60  pinMode(blueLEDPin,OUTPUT);
61  Serial.begin(9600);
62}
63
64void  loop() {
65  btn = read_btn();
66  delay (50); //without this delay first note  not sound good
67  // store the duration of pressed button and also the pauses  between notes
68  if (current_btn != btn && btn<8){
69    current_btn = btn;
70    rec[j][0] = btn; rec[j][1] = millis();
71    j++;
72    if (j>110){j=0; rec[110][2]  = {};} // reset recording buffer if full
73  }
74  if (btn==8){led_off();noTone(8);delay(2000);play_song_1();btn=0;}  
75  if (btn==9){led_off();noTone(8);delay(2000);play_song_2();btn=0;}  
76  if  (btn==10){led_off();noTone(8);delay(2000);play_song_3();btn=0;} 
77  if (btn==11){led_off();noTone(8);delay(2000);play_song_4();btn=0;}  
78  //if (btn==12){delay(1000); Serial.println(j); j=0; btn=0;}  //  button 12  can be used for further needs  
79  //if (btn==13){led_off();noTone(8);delay(2000);  play_rec();btn=0;}  //  button 13 can be used for further needs  
80  if (btn==14){led_off();noTone(8);delay(2000);  play_rec();btn=0;}  // play the performance played on keyboard
81  play_note();
82  btn=0;
83}
84
85int read_btn(){
86  int keyVal = analogRead(A0);
87  //recognize  which button has been pressed
88  if (keyVal == 1023) {btn=1;} 
89  if (keyVal  >= 990 && keyVal <= 1010) {btn=2;} 
90  if (keyVal >= 965 && keyVal <= 975) {btn=3;}  
91  if (keyVal >= 690 && keyVal <= 700) {btn=4;}
92  if (keyVal >= 505 && keyVal  <= 515) {btn=5;} 
93  if (keyVal >= 5 && keyVal <= 12) {btn=6;}
94  if (digitalRead(2)  == HIGH && btn==0) {btn =7;}
95  if (digitalRead(2) == HIGH && btn==1) {btn =8;}  // for button 8, press both button 1 and 7
96  if (digitalRead(2) == HIGH && btn==2)  {btn =9;}  // for button 9, press both button 2 and 7 
97  if (digitalRead(2) ==  HIGH && btn==3) {btn =10;}  // for button 10, press both button 3 and 7
98  if  (digitalRead(2) == HIGH && btn==4) {btn =11;}  // for button 11, press both button  4 and 7
99  if (digitalRead(2) == HIGH && btn==5) {btn =12;}  // for button 12,  press both button 5 and 7
100  if (digitalRead(2) == HIGH && btn==6) {btn =13;}  // for button 13, press both button 6 and 7
101  if (analogRead(photoresistor)  < 11) {btn =14;}   // for button 14, cover the photoresistor
102  //Serial.println  (analogRead(playPin));
103  //delay (300);
104  return (btn);
105}
106
107void play_note(){
108  if (btn==0){
109    noTone(8);
110    led_off();
111  }
112  else {
113    led_on  (btn);
114    tone(8, notes[btn]);
115  } 
116}
117
118int play_note_song(int note_num,  int duration){
119  led_on (note_num);
120  tone(8, notes[note_num], duration);
121  delay (duration);
122  led_off();
123}
124
125int led_on (int btn){
126  analogWrite(redLEDPin,  rgb[btn][0]);
127  analogWrite(greenLEDPin, rgb[btn][1]);
128  analogWrite(blueLEDPin,  rgb[btn][2]);
129}
130
131void led_off(){
132  analogWrite(redLEDPin, rgb[0][0]);
133  analogWrite(greenLEDPin, rgb[0][1]);
134  analogWrite(blueLEDPin, rgb[0][2]);
135}
136
137void  play_song_1(){
138  for (int i=0;i<32; i++) {
139      play_note_song (song_1[i][0],  song_1[i][1]*200);
140      delay (100); //pause between a note and the other
141  }
142}
143
144void play_song_2(){
145  for (int i=0;i<30; i++) {
146      play_note_song  (song_2[i][0], song_2[i][1]*200);
147      delay (100); //pause between a note and  the other
148  }
149}
150
151void play_song_3(){
152  for (int i=0;i<52; i++) {
153      play_note_song (song_3[i][0], song_3[i][1]*200);
154      delay (100); //pause  between a note and the other
155  }
156}
157
158void play_song_4(){
159  for (int  i=0;i<62; i++) {
160      play_note_song (song_4[i][0], song_4[i][1]*200);
161      delay  (100); //pause between a note and the other
162  }
163}
164
165void play_rec(){
166  int duration;
167  
168  for (int i=0; i<j; i++){
169    duration = rec[i+1][1]  - rec[i][1];   
170    if (duration>1000){duration=777;}
171    if (duration<0){duration=888;}  
172    if (rec[i][0]==0){delay(duration);}
173    else {play_note_song(rec[i][0],  duration);}
174    // next instructions are to debug recording and play feature
175    //Serial.print (i);
176    //Serial.print ("---");
177    //Serial.print (rec[i][0]);
178    //Serial.print (" ");
179    //Serial.println (duration);
180  }
181  //Serial.print  ("exit j=");
182  //Serial.println (j);
183}
184

1/*
2  Seven notes keyboard + 4 songs + rec and play functions
3  Hacking
4  of Arduino Starter Kit example Project 7 - Keyboard created 13 Sep 2012 by Scott
5  Fitzgerald
6
7  created February 2022
8  by Roberto Zaffanella
9
10*/
11
12//
13  create an array of notes
14int notes[] = {0, 262, 294, 330, 349, 392, 440, 494,
15  196};
16//                DO4  RE4  MI4  FA4  SOL4 LA4  SI4  SOL3 
17
18int rgb[9][3]
19  = {{0,0,0}, {0,0,255}, {255,0,140}, {255,0,0}, {0,255,0}, {255,165,0}, {255,92,203},
20  {255,255,0}, {255,165,0}};
21//                OFF       BLUE       PURPLE       RED
22        GREEN      ORANGE       PINK          YELLOW       ORANGE
23
24// Oh!
25  When the saints go marchinig'in (first digit is the note , the second one is the
26  note duration)
27int song_1[32][2] = {{1,1}, {3,1}, {4,1}, {5,5}, {1,1}, {3,1},
28  {4,1}, {5,5}, 
29                     {1,1}, {3,1}, {4,1}, {5,2}, {3,2}, {1,2},
30  {3,2}, {2,5},
31                     {3,1}, {3,1}, {2,1}, {1,3}, {1,1}, {3,2},
32
33                     {5,2}, {5,1}, {4,5}, 
34                     {3,1}, {4,1},
35  {5,2}, {3,2}, {1,2}, {2,2}, {1,5}};
36
37// Jingle Bells
38int song_2[30][2]
39  = {{3,1}, {3,1}, {3,2}, {3,1}, {3,1}, {3,2}, 
40                     {3,1}, {5,1},
41  {1,1}, {2,1}, {3,4},
42                     {4,1}, {4,1}, {4,1}, {4,1}, {4,1},
43  {3,1}, {3,1}, {3,1},
44                     {3,1}, {2,1}, {2,1}, {3,1}, {2,2},
45  {5,2}, 
46                     {5,1}, {5,1}, {4,1}, {2,1}, {1,2}};                                                      
47
48//
49  Oh! Susanna
50int song_3[52][2] = {{1,1}, {3,1}, {5,1}, {5,1}, {6,1}, {5,1}, {3,1},
51  {1,1}, {2,1}, {3,1}, {3,1}, {2,1}, {1,1}, {2,3},
52                     {1,1},
53  {3,1}, {5,1}, {5,1}, {6,1}, {5,1}, {3,1}, {1,1}, {2,1}, {3,1}, {3,1}, {2,1}, {2,1},
54  {1,4}, 
55                     {4,2}, {4,2}, {6,1}, {6,2}, {6,1}, {5,1}, {5,1},
56  {3,1}, {1,1}, {2,3}, 
57                     {1,1}, {3,1}, {5,1}, {5,1}, {6,1},
58  {5,1}, {3,1}, {1,1}, {2,1}, {3,1}, {3,1}, {2,1}, {2,1}, {1,4}};
59
60// Ode to
61  Joy (require SOL3 more than basic notes so SOL3 has been added as exception to notes
62  list and also in rgb list color as orange like SOL4)
63int song_4[62][2] = {{3,2},
64  {3,2}, {4,2}, {5,2}, {5,2}, {4,2}, {3,2}, {2,2},
65                   {1,2}, {1,2},
66  {2,2}, {3,2}, {3,3}, {2,1}, {2,4},
67                   {3,2}, {3,2}, {4,2}, {5,2},
68  {5,2}, {4,2}, {3,2}, {2,2},
69                   {1,2}, {1,2}, {2,2}, {3,2}, {2,3},
70  {1,1}, {1,4},
71                   {2,2}, {2,2}, {3,2}, {1,2}, {2,2}, {3,1}, {4,1},
72  {3,2}, {1,2},
73                   {2,2}, {3,1}, {4,1}, {3,2}, {2,2}, {1,2}, {2,2},
74  {8,2},
75                   {3,4}, {3,2}, {4,2}, {5,2}, {5,2}, {4,2}, {3,2}, {2,2},
76
77                   {1,2}, {1,2}, {2,2}, {3,2}, {2,3}, {1,1}, {1,4}};
78
79int
80  rec[110][2] = {};  //first digit is the note (0 for nothing played) and second digit
81  is the duration
82const int greenLEDPin = 10;
83const int redLEDPin = 11;
84const
85  int blueLEDPin = 9;
86const int photoresistor = A3;
87int btn = 0; // 0 = no buttons
88  are pressed
89int j = 0; // recording index
90int current_btn = 0;
91
92void
93  setup() {
94  pinMode(2,INPUT); // Button 7
95  pinMode(greenLEDPin,OUTPUT);
96
97  pinMode(redLEDPin,OUTPUT);
98  pinMode(blueLEDPin,OUTPUT);
99  Serial.begin(9600);
100}
101
102void
103  loop() {
104  btn = read_btn();
105  delay (50); //without this delay first note
106  not sound good
107  // store the duration of pressed button and also the pauses
108  between notes
109  if (current_btn != btn && btn<8){
110    current_btn = btn;
111
112    rec[j][0] = btn; rec[j][1] = millis();
113    j++;
114    if (j>110){j=0; rec[110][2]
115  = {};} // reset recording buffer if full
116  }
117  if (btn==8){led_off();noTone(8);delay(2000);play_song_1();btn=0;}
118  
119  if (btn==9){led_off();noTone(8);delay(2000);play_song_2();btn=0;}  
120  if
121  (btn==10){led_off();noTone(8);delay(2000);play_song_3();btn=0;} 
122  if (btn==11){led_off();noTone(8);delay(2000);play_song_4();btn=0;}
123  
124  //if (btn==12){delay(1000); Serial.println(j); j=0; btn=0;}  //  button 12
125  can be used for further needs  
126  //if (btn==13){led_off();noTone(8);delay(2000);
127  play_rec();btn=0;}  //  button 13 can be used for further needs  
128  if (btn==14){led_off();noTone(8);delay(2000);
129  play_rec();btn=0;}  // play the performance played on keyboard
130  play_note();
131
132  btn=0;
133}
134
135int read_btn(){
136  int keyVal = analogRead(A0);
137  //recognize
138  which button has been pressed
139  if (keyVal == 1023) {btn=1;} 
140  if (keyVal
141  >= 990 && keyVal <= 1010) {btn=2;} 
142  if (keyVal >= 965 && keyVal <= 975) {btn=3;}
143  
144  if (keyVal >= 690 && keyVal <= 700) {btn=4;}
145  if (keyVal >= 505 && keyVal
146  <= 515) {btn=5;} 
147  if (keyVal >= 5 && keyVal <= 12) {btn=6;}
148  if (digitalRead(2)
149  == HIGH && btn==0) {btn =7;}
150  if (digitalRead(2) == HIGH && btn==1) {btn =8;}
151  // for button 8, press both button 1 and 7
152  if (digitalRead(2) == HIGH && btn==2)
153  {btn =9;}  // for button 9, press both button 2 and 7 
154  if (digitalRead(2) ==
155  HIGH && btn==3) {btn =10;}  // for button 10, press both button 3 and 7
156  if
157  (digitalRead(2) == HIGH && btn==4) {btn =11;}  // for button 11, press both button
158  4 and 7
159  if (digitalRead(2) == HIGH && btn==5) {btn =12;}  // for button 12,
160  press both button 5 and 7
161  if (digitalRead(2) == HIGH && btn==6) {btn =13;}
162  // for button 13, press both button 6 and 7
163  if (analogRead(photoresistor)
164  < 11) {btn =14;}   // for button 14, cover the photoresistor
165  //Serial.println
166  (analogRead(playPin));
167  //delay (300);
168  return (btn);
169}
170
171void play_note(){
172
173  if (btn==0){
174    noTone(8);
175    led_off();
176  }
177  else {
178    led_on
179  (btn);
180    tone(8, notes[btn]);
181  } 
182}
183
184int play_note_song(int note_num,
185  int duration){
186  led_on (note_num);
187  tone(8, notes[note_num], duration);
188
189  delay (duration);
190  led_off();
191}
192
193int led_on (int btn){
194  analogWrite(redLEDPin,
195  rgb[btn][0]);
196  analogWrite(greenLEDPin, rgb[btn][1]);
197  analogWrite(blueLEDPin,
198  rgb[btn][2]);
199}
200
201void led_off(){
202  analogWrite(redLEDPin, rgb[0][0]);
203
204  analogWrite(greenLEDPin, rgb[0][1]);
205  analogWrite(blueLEDPin, rgb[0][2]);
206}
207
208void
209  play_song_1(){
210  for (int i=0;i<32; i++) {
211      play_note_song (song_1[i][0],
212  song_1[i][1]*200);
213      delay (100); //pause between a note and the other
214
215  }
216}
217
218void play_song_2(){
219  for (int i=0;i<30; i++) {
220      play_note_song
221  (song_2[i][0], song_2[i][1]*200);
222      delay (100); //pause between a note and
223  the other
224  }
225}
226
227void play_song_3(){
228  for (int i=0;i<52; i++) {
229
230      play_note_song (song_3[i][0], song_3[i][1]*200);
231      delay (100); //pause
232  between a note and the other
233  }
234}
235
236void play_song_4(){
237  for (int
238  i=0;i<62; i++) {
239      play_note_song (song_4[i][0], song_4[i][1]*200);
240      delay
241  (100); //pause between a note and the other
242  }
243}
244
245void play_rec(){
246
247  int duration;
248  
249  for (int i=0; i<j; i++){
250    duration = rec[i+1][1]
251  - rec[i][1];   
252    if (duration>1000){duration=777;}
253    if (duration<0){duration=888;}
254  
255    if (rec[i][0]==0){delay(duration);}
256    else {play_note_song(rec[i][0],
257  duration);}
258    // next instructions are to debug recording and play feature
259
260    //Serial.print (i);
261    //Serial.print ("---");
262    //Serial.print (rec[i][0]);
263
264    //Serial.print (" ");
265    //Serial.println (duration);
266  }
267  //Serial.print
268  ("exit j=");
269  //Serial.println (j);
270}
271