39 lines
1.1 KiB
C
39 lines
1.1 KiB
C
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#ifndef BUZZER_H
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#define BUZZER_H
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extern bool buzzer_enabled;
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extern unsigned long last_tone_toggle;
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extern uint16_t buzzer_delay;
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extern uint16_t last_buzzer_tone;
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void update_buzzer_tone(uint16_t hi_tone, uint16_t lo_tone) {
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if (buzzer_enabled) {
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if (millis() - last_tone_toggle >= buzzer_delay) {
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if (last_buzzer_tone == RX_HI_TONE) {
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tone(PIN_BUZZER, RX_LO_TONE);
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last_buzzer_tone = RX_LO_TONE;
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} else {
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tone(PIN_BUZZER, RX_HI_TONE);
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last_buzzer_tone = RX_HI_TONE;
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}
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buzzer_delay = ::random(MAX_BUZZER_DELAY);
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last_tone_toggle = millis();
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}
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}
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}
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void update_buzzer_notone() {
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if (buzzer_enabled) {
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if (millis() - last_tone_toggle >= buzzer_delay) {
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noTone(PIN_BUZZER);
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digitalWrite(PIN_BUZZER, LOW);
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}
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}
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}
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void toggle_buzzer_enable() {
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buzzer_enabled = !buzzer_enabled;
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update_buzzer_notone();
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}
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#endif
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