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#ifdef PIN_BUZZER
#include "buzzer.h"
void genericBuzzer::begin() {
// Serial.print("DBG: Setting up buzzer on pin ");
// Serial.println(PIN_BUZZER);
#ifdef PIN_BUZZER_EN
pinMode(PIN_BUZZER_EN, OUTPUT);
digitalWrite(PIN_BUZZER_EN, HIGH);
#endif
quiet(false);
pinMode(PIN_BUZZER, OUTPUT);
digitalWrite(PIN_BUZZER, LOW); // need to pull low by default to avoid extreme power draw
startup();
}
void genericBuzzer::play(const char *melody) {
if (isPlaying()) // interrupt existing
{
rtttl::stop();
}
if (_is_quiet) return;
rtttl::begin(PIN_BUZZER,melody);
// Serial.print("DBG: Playing melody - isQuiet: ");
// Serial.println(isQuiet());
}
bool genericBuzzer::isPlaying() {
return rtttl::isPlaying();
}
void genericBuzzer::loop() {
if (!rtttl::done()) rtttl::play();
}
void genericBuzzer::startup() {
play(startup_song);
}
void genericBuzzer::shutdown() {
play(shutdown_song);
}
void genericBuzzer::quiet(bool buzzer_state) {
_is_quiet = buzzer_state;
#ifdef PIN_BUZZER_EN
if (_is_quiet) {
digitalWrite(PIN_BUZZER_EN, LOW);
} else {
digitalWrite(PIN_BUZZER_EN, HIGH);
}
#endif
}
bool genericBuzzer::isQuiet() {
return _is_quiet;
}
#endif // ifdef PIN_BUZZER
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