Play Polyphonic Tones!

1/*Example for the MusicWithoutDelay Library by Nathan Ramanathan. nathan6ramanathan@gmail.com
2   This sketch puts all the functions to the test.
3
4*/
5//To learn more  about this project go to https://github.com/nathanRamaNoodles/MusicWithoutDelay-LIbrary
6#include  <MusicWithoutDelay.h>
7#include <Button.h>  //https://github.com/JChristensen/Button  acquired by JChristensen's popular button library
8#include <Tone.h>                //https://github.com/bhagman/Tone
9char  *Soprano  = "Zelda:o=5,b=160,f=aeb:4b,4f+8.f,16b,16b,16c1,16d1,16e1,2f1,8p,8f1,12f1,12g_1,12a1,2b1,12p,12b1,12b1,12b1,12a1,12g_1,8.a1,16g_1,2f1,4f1,8e1,16e1,16f1,2g_1,8f1,8e1,8d_1,16d_1,16e1,2f1,8e1,8d_1,8c1,16c1,16d1,2e#1,4g1,8f1,16f,16f,8f,16f,16f,8f,16f,16f,8f,8f";
10char  *Bass     = ":b=160,f=aeb:4d,12d,12d,12c,8.d,16d,16d,16e,16f,16g,8.a,16b,16b,16c1,16d1,16e1,4f1,12a,12b,12c1,8.d_1,16g_,16g_,16a,16b,16c1,12d_1,12p,12d_1,12d_1,12c1,12b,8.d_,16a,12a,12a,12g_,8.a,16a,12a,12g_,12a,8g_,16g_,16f,8g_,16g_,16a,4b,8a,8g_,8f,16f,16e,8f,16f,16g_,4a,8g_,8f,4e#,8e#,16e#,16f,8g,16g,16a#,8b,8c1,8a#,16a#-1,16a#-1,8a#-1,16a#-1,16a#-1,8a#-1,16a#-1,16a#-1,8a#-1,8a#-1";
11MusicWithoutDelay  instrument(Soprano);          //o=5 means that the instrument will play at the 5th  Octave. o=4 is default
12MusicWithoutDelay instrument2(Bass);          //f=aeb,  means all a's, e's, and b's are flats
13Tone myTone;                                    //b=160,  means the bpm(tempo) is 160, default is 100
14Tone myTone2;
15#define BUTTON_PIN  2       //Connect a tactile button switch (or something similar) from Arduino pin  2 to ground.
16#define BUTTON_PIN2 3       //Connect a tactile button switch (or  something similar) from Arduino pin 3 to ground.
17#define BUTTON_PIN3 4       //Connect  a tactile button switch (or something similar) from Arduino pin 3 to ground.
18
19#define  PULLUP true        //To keep things simple, we use the Arduino's internal pullup  resistor.
20#define INVERT true        //Since the pullup resistor will keep the  pin high
21#define DEBOUNCE_MS 70     //A debounce time of 70 milliseconds usually  works well for noisy button switches. if not, try 20.
22Button pauseButton(BUTTON_PIN,  PULLUP, INVERT, DEBOUNCE_MS);    //Declare the button
23Button randomSkipButton(BUTTON_PIN2,  PULLUP, INVERT, DEBOUNCE_MS);
24Button reverseButton(BUTTON_PIN3, PULLUP, INVERT,  DEBOUNCE_MS);
25
26const int potPin = A1;
27const int vibratingMotor = A0;
28unsigned  long motorMillis = 0;
29
30int rgbLeds[] = {13, 12, 11};
31int ledCursor = 0;
32bool  pState;
33bool state;
34bool stopped = true;
35void setup() {
36  // put your  setup code here, to run once:
37  myTone.begin(7);        //attach both pins to  same speaker with one 1k resistor to pin 11,
38  myTone2.begin(6);       //and  another 1k resistor to pin 10.
39  for (int i = 0; i < 3; i++) {
40    pinMode(rgbLeds[i],  OUTPUT);
41  }
42  pinMode(vibratingMotor, OUTPUT);
43}
44
45void loop() {
46  // put your main code here, to run repeatedly:
47  unsigned long cMillis = millis();
48  instrument.play(cMillis, myTone);
49  instrument2.play(cMillis, myTone2);
50  pauseButton.read();
51  randomSkipButton.read();
52  reverseButton.read();
53  boundsCheck(instrument);
54  boundsCheck(instrument2);
55  if (instrument.isPaused()  && instrument2.isPaused() && stopped) {
56    Pause();
57  }
58  if (pauseButton.wasPressed())  {
59    Pause();        // stop or play song
60    stopped = false;
61  }
62  if (reverseButton.wasPressed()) {
63    instrument.reverse();         //reverse  direction of song
64    instrument2.reverse();
65  }
66  if (randomSkipButton.wasPressed())  {   //skip to location in song depending on value of potentiometer
67    int val  = analogRead(potPin);
68    val = map(val, 0, 1023, 0, instrument.getTotalTime());
69    instrument.skipTo(val);
70    val = analogRead(potPin);
71    val = map(val,  0, 1023, 0, instrument2.getTotalTime());
72    instrument2.skipTo(val);
73  }
74  if (instrument2.isNote()) {
75    digitalWrite(vibratingMotor, HIGH);
76    motorMillis  = cMillis;
77  }
78  if (cMillis - motorMillis >= 40) {
79    digitalWrite(vibratingMotor,  LOW);
80  }
81  state = instrument.isNote();
82  if (state != pState) {
83    pState  = state;
84    if (pState) {
85      digitalWrite(rgbLeds[ledCursor], LOW);
86    }
87    else {
88      digitalWrite(rgbLeds[ledCursor], LOW);
89      ledCursor++;
90      if (ledCursor == 3) {
91        ledCursor = 0;
92      }
93      digitalWrite(rgbLeds[ledCursor],  HIGH);
94    }
95  }
96  if (instrument.isRest()) {
97    digitalWrite(rgbLeds[ledCursor],  LOW);
98  }
99}
100void boundsCheck(MusicWithoutDelay &m) {  //This function fixes  songs that may have multiple instruments containing different TotalTimes
101  if  (m.isEnd()) {
102    m.pause();
103    stopped = true;
104  }
105}
106void Pause()  {
107  instrument.pause();
108  instrument2.pause();
109}
110