BicycleControl/Musical.cpp

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2017-02-17 08:07:59 +00:00
#include "Musical.h"
Musical::Musical()
{
}
Musical::~Musical()
{
}
void Musical::setBPM(short newBPM)
{
BPM = newBPM;
Q = 60000 / BPM;
H = Q * 2;
E = Q / 2;
S = Q / 4;
W = Q * 4;
}
void Musical::setBuzzerPin(short pinNumber)
{
pin = pinNumber;
}
void Musical::playNote(int note, int duration)
{
tone(pin, note, duration);
}
//Plays an array as a musical sequence. Array is: {bpm, note1, time1, note2, time2, ...} Length is the number of notes.
void Musical::playSequence(short * sequence, int length)
{
setBPM(sequence[0]);
currentSong = sequence;
songLength = length;
currentNote = 0;
lastNoteTime = 0;
}
//Updates the playing song to allow multitasking.
void Musical::update()
{
if (lastNoteTime > millis() && currentNote < songLength) {
//It is necessary to play the next note.
playNote(currentSong[currentNote * 2 + 1], currentSong[currentNote * 2 + 2]);
lastNoteTime = millis();
currentNote++;
}
}