45 lines
1006 B
C++
45 lines
1006 B
C++
#include <Arduino.h>
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#include "polybuzzer.h"
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#include "equal_temperament.h"
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PolyBuzzer::PolyBuzzer(uint8_t pin) {
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for (int i = 0; i < POLYBUZZER_MAX_TONES; i++) {
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this->tones[i] = 0;
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}
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this->playing = 0;
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this->pin = pin;
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pinMode(pin, OUTPUT);
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}
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void PolyBuzzer::update() {
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for (int i = 0; i < POLYBUZZER_MAX_TONES; i++) {
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if (this->tones[i]) {
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if (this->playing != this->tones[i]) {
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this->playing = this->tones[i];
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tone(this->pin, this->tones[i]);
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}
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return;
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}
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}
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this->playing = 0;
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noTone(this->pin);
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}
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void PolyBuzzer::Tone(int slot, unsigned int frequency) {
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this->tones[slot] = frequency;
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this->update();
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}
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void PolyBuzzer::Note(int slot, uint8_t note) {
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if (note > 127) {
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note = 127;
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}
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this->Tone(slot, equalTemperamentNote[note]);
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}
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void PolyBuzzer::NoTone(int slot) {
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tones[slot] = 0;
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this->update();
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}
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