#pragma once #include #define POLYBUZZER_MAX_TONES 2 // PolyBuzzer provides a proritized monophonic buzzer. // // A given tone will only be played when all higher priority tones have stopped. class PolyBuzzer { public: unsigned int tones[POLYBUZZER_MAX_TONES]; unsigned int playing; uint8_t pin; PolyBuzzer(uint8_t pin); void update(); void Tone(int slot, unsigned int frequency); void Note(int slot, uint8_t note); void NoTone(int slot); };