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					@ -89,15 +89,15 @@ void audio_init()
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					    }
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					    audio_config.raw = eeconfig_read_audio();
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						// Set port PC6 (OC3A and /OC4A) as output
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					    // Set port PC6 (OC3A and /OC4A) as output
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					    DDRC |= _BV(PORTC6);
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					    DISABLE_AUDIO_COUNTER_3_ISR;
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						// TCCR3A / TCCR3B: Timer/Counter #3 Control Registers
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						// Compare Output Mode (COM3An) = 0b00 = Normal port operation, OC3A disconnected from PC6
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						// Waveform Generation Mode (WGM3n) = 0b1110 = Fast PWM Mode 14 (Period = ICR3, Duty Cycle = OCR3A)
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						// Clock Select (CS3n) = 0b010 = Clock / 8
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					    // TCCR3A / TCCR3B: Timer/Counter #3 Control Registers
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					    // Compare Output Mode (COM3An) = 0b00 = Normal port operation, OC3A disconnected from PC6
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					    // Waveform Generation Mode (WGM3n) = 0b1110 = Fast PWM Mode 14 (Period = ICR3, Duty Cycle = OCR3A)
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					    // Clock Select (CS3n) = 0b010 = Clock / 8
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					    TCCR3A = (0 << COM3A1) | (0 << COM3A0) | (1 << WGM31) | (0 << WGM30);
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					    TCCR3B = (1 << WGM33)  | (1 << WGM32)  | (0 << CS32)  | (1 << CS31) | (0 << CS30);
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					@ -106,6 +106,8 @@ void audio_init()
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					void stop_all_notes()
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					{
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					    dprintf("audio stop all notes");
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					    if (!audio_initialized) {
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					        audio_init();
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					    }
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					@ -128,6 +130,8 @@ void stop_all_notes()
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					void stop_note(float freq)
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					{
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					    dprintf("audio stop note freq=%d", (int)freq);
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					    if (playing_note) {
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					        if (!audio_initialized) {
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					            audio_init();
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					@ -183,159 +187,161 @@ float vibrato(float average_freq) {
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					ISR(TIMER3_COMPA_vect)
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					{
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						float freq;
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						if (playing_note) {
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							if (voices > 0) {
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								if (polyphony_rate > 0) {
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									if (voices > 1) {
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										voice_place %= voices;
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										if (place++ > (frequencies[voice_place] / polyphony_rate / CPU_PRESCALER)) {
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											voice_place = (voice_place + 1) % voices;
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											place = 0.0;
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										}
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									}
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									#ifdef VIBRATO_ENABLE
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										if (vibrato_strength > 0) {
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											freq = vibrato(frequencies[voice_place]);
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										} else {
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											freq = frequencies[voice_place];
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										}
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									#else
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										freq = frequencies[voice_place];
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									#endif
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								} else {
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									if (glissando) {
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										if (frequency != 0 && frequency < frequencies[voices - 1] && frequency < frequencies[voices - 1] * pow(2, -440/frequencies[voices - 1]/12/2)) {
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											frequency = frequency * pow(2, 440/frequency/12/2);
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										} else if (frequency != 0 && frequency > frequencies[voices - 1] && frequency > frequencies[voices - 1] * pow(2, 440/frequencies[voices - 1]/12/2)) {
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											frequency = frequency * pow(2, -440/frequency/12/2);
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										} else {
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											frequency = frequencies[voices - 1];
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										}
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									} else {
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										frequency = frequencies[voices - 1];
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									}				
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									#ifdef VIBRATO_ENABLE
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										if (vibrato_strength > 0) {
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											freq = vibrato(frequency);
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										} else {
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											freq = frequency;
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										}
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									#else
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										freq = frequency;
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									#endif
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								}
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								if (envelope_index < 65535) {
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									envelope_index++;
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								}
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								freq = voice_envelope(freq);
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								if (freq < 30.517578125) {
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									freq = 30.52;
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								}
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								TIMER_3_PERIOD = (uint16_t)(((float)F_CPU) / (freq * CPU_PRESCALER));
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								TIMER_3_DUTY_CYCLE = (uint16_t)((((float)F_CPU) / (freq * CPU_PRESCALER)) * note_timbre);
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							}
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						}
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						if (playing_notes) {
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							if (note_frequency > 0) {
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								#ifdef VIBRATO_ENABLE
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									if (vibrato_strength > 0) {
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										freq = vibrato(note_frequency);
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									} else {
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										freq = note_frequency;
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									}
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								#else
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										freq = note_frequency;
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								#endif
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								if (envelope_index < 65535) {
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									envelope_index++;
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								}
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								freq = voice_envelope(freq);
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								TIMER_3_PERIOD = (uint16_t)(((float)F_CPU) / (freq * CPU_PRESCALER));
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								TIMER_3_DUTY_CYCLE = (uint16_t)((((float)F_CPU) / (freq * CPU_PRESCALER)) * note_timbre);
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							} else {
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								TIMER_3_PERIOD = 0;
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								TIMER_3_DUTY_CYCLE = 0;
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							}
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							note_position++;
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							bool end_of_note = false;
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							if (TIMER_3_PERIOD > 0) {
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								end_of_note = (note_position >= (note_length / TIMER_3_PERIOD * 0xFFFF));
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							} else {
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								end_of_note = (note_position >= (note_length * 0x7FF));
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							}
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							if (end_of_note) {
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								current_note++;
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								if (current_note >= notes_count) {
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									if (notes_repeat) {
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										current_note = 0;
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									} else {
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										DISABLE_AUDIO_COUNTER_3_ISR;
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										DISABLE_AUDIO_COUNTER_3_OUTPUT;
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										playing_notes = false;
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										return;
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									}
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								}
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								if (!note_resting && (notes_rest > 0)) {
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									note_resting = true;
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									note_frequency = 0;
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									note_length = notes_rest;
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									current_note--;
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								} else {
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									note_resting = false;
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									envelope_index = 0;
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									note_frequency = (*notes_pointer)[current_note][0];
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									note_length = ((*notes_pointer)[current_note][1] / 4) * (((float)note_tempo) / 100);
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								}
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								note_position = 0;
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							}
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						}
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						if (!audio_config.enable) {
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							playing_notes = false;
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							playing_note = false;
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						}
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					    float freq;
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					    if (playing_note) {
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					        if (voices > 0) {
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					            if (polyphony_rate > 0) {
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					                if (voices > 1) {
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					                    voice_place %= voices;
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					                    if (place++ > (frequencies[voice_place] / polyphony_rate / CPU_PRESCALER)) {
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					                        voice_place = (voice_place + 1) % voices;
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					                        place = 0.0;
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					                    }
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					                }
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					                #ifdef VIBRATO_ENABLE
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					                    if (vibrato_strength > 0) {
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					                        freq = vibrato(frequencies[voice_place]);
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					                    } else {
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					                        freq = frequencies[voice_place];
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					                    }
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					                #else
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					                    freq = frequencies[voice_place];
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					                #endif
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					            } else {
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					                if (glissando) {
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					                    if (frequency != 0 && frequency < frequencies[voices - 1] && frequency < frequencies[voices - 1] * pow(2, -440/frequencies[voices - 1]/12/2)) {
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					                        frequency = frequency * pow(2, 440/frequency/12/2);
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					                    } else if (frequency != 0 && frequency > frequencies[voices - 1] && frequency > frequencies[voices - 1] * pow(2, 440/frequencies[voices - 1]/12/2)) {
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					                        frequency = frequency * pow(2, -440/frequency/12/2);
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					                    } else {
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					                        frequency = frequencies[voices - 1];
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					                    }
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					                } else {
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					                    frequency = frequencies[voices - 1];
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					                }
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					                #ifdef VIBRATO_ENABLE
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					                    if (vibrato_strength > 0) {
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					                        freq = vibrato(frequency);
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					                    } else {
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					                        freq = frequency;
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					                    }
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					                #else
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					                    freq = frequency;
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					                #endif
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					            }
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					            if (envelope_index < 65535) {
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					                envelope_index++;
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					            }
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					            freq = voice_envelope(freq);
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					            if (freq < 30.517578125) {
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					                freq = 30.52;
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					            }
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					            TIMER_3_PERIOD = (uint16_t)(((float)F_CPU) / (freq * CPU_PRESCALER));
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					            TIMER_3_DUTY_CYCLE = (uint16_t)((((float)F_CPU) / (freq * CPU_PRESCALER)) * note_timbre);
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					        }
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					    }
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					    if (playing_notes) {
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					        if (note_frequency > 0) {
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					            #ifdef VIBRATO_ENABLE
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					                if (vibrato_strength > 0) {
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					                    freq = vibrato(note_frequency);
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					                } else {
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					                    freq = note_frequency;
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					                }
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					            #else
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					                    freq = note_frequency;
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					            #endif
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					            if (envelope_index < 65535) {
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					                envelope_index++;
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					            }
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					            freq = voice_envelope(freq);
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					            TIMER_3_PERIOD = (uint16_t)(((float)F_CPU) / (freq * CPU_PRESCALER));
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					            TIMER_3_DUTY_CYCLE = (uint16_t)((((float)F_CPU) / (freq * CPU_PRESCALER)) * note_timbre);
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					        } else {
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					            TIMER_3_PERIOD = 0;
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					            TIMER_3_DUTY_CYCLE = 0;
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					        }
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					        note_position++;
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					        bool end_of_note = false;
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					        if (TIMER_3_PERIOD > 0) {
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					            end_of_note = (note_position >= (note_length / TIMER_3_PERIOD * 0xFFFF));
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					        } else {
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					            end_of_note = (note_position >= (note_length * 0x7FF));
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					        }
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					        if (end_of_note) {
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					            current_note++;
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					            if (current_note >= notes_count) {
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					                if (notes_repeat) {
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					                    current_note = 0;
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					                } else {
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					                    DISABLE_AUDIO_COUNTER_3_ISR;
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					                    DISABLE_AUDIO_COUNTER_3_OUTPUT;
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					                    playing_notes = false;
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					                    return;
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					                }
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					            }
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					            if (!note_resting && (notes_rest > 0)) {
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					                note_resting = true;
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					                note_frequency = 0;
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					                note_length = notes_rest;
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					                current_note--;
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					            } else {
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					                note_resting = false;
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					                envelope_index = 0;
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					                note_frequency = (*notes_pointer)[current_note][0];
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					                note_length = ((*notes_pointer)[current_note][1] / 4) * (((float)note_tempo) / 100);
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					            }
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					            note_position = 0;
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					        }
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					    }
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					    if (!audio_config.enable) {
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					        playing_notes = false;
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					        playing_note = false;
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					    }
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					}
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					void play_note(float freq, int vol) {
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					    dprintf("audio play note freq=%d vol=%d", (int)freq, vol);
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					    if (!audio_initialized) {
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					        audio_init();
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					    }
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
						if (audio_config.enable && voices < 8) {
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
						    DISABLE_AUDIO_COUNTER_3_ISR;
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					    if (audio_config.enable && voices < 8) {
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					        DISABLE_AUDIO_COUNTER_3_ISR;
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
						    // Cancel notes if notes are playing
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
						    if (playing_notes)
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
						        stop_all_notes();
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					        // Cancel notes if notes are playing
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					        if (playing_notes)
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					            stop_all_notes();
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
						    playing_note = true;
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					        playing_note = true;
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
						    envelope_index = 0;
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					        envelope_index = 0;
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
						    if (freq > 0) {
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
						        frequencies[voices] = freq;
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
						        volumes[voices] = vol;
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
						        voices++;
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
						    }
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					        if (freq > 0) {
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					            frequencies[voices] = freq;
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					            volumes[voices] = vol;
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					            voices++;
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					        }
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					        ENABLE_AUDIO_COUNTER_3_ISR;
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					        ENABLE_AUDIO_COUNTER_3_OUTPUT;
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
						}
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					    }
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					}
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					
 | 
				
			
			
		
	
	
		
			
				
					| 
						
						
						
							
								
							
						
					 | 
				
				 | 
				 | 
				
					@ -346,37 +352,37 @@ void play_notes(float (*np)[][2], uint16_t n_count, bool n_repeat, float n_rest)
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					        audio_init();
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					    }
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
						if (audio_config.enable) {
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					    if (audio_config.enable) {
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
						    DISABLE_AUDIO_COUNTER_3_ISR;
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					        DISABLE_AUDIO_COUNTER_3_ISR;
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
							// Cancel note if a note is playing
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
						    if (playing_note)
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
						        stop_all_notes();
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					        // Cancel note if a note is playing
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					        if (playing_note)
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					            stop_all_notes();
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
						    playing_notes = true;
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					        playing_notes = true;
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
						    notes_pointer = np;
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
						    notes_count = n_count;
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
						    notes_repeat = n_repeat;
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
						    notes_rest = n_rest;
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					        notes_pointer = np;
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					        notes_count = n_count;
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					        notes_repeat = n_repeat;
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					        notes_rest = n_rest;
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
						    place = 0;
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
						    current_note = 0;
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					        place = 0;
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					        current_note = 0;
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					        note_frequency = (*notes_pointer)[current_note][0];
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					        note_length = ((*notes_pointer)[current_note][1] / 4) * (((float)note_tempo) / 100);
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
						    note_position = 0;
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					        note_position = 0;
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					        ENABLE_AUDIO_COUNTER_3_ISR;
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					        ENABLE_AUDIO_COUNTER_3_OUTPUT;
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
						}
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					    }
 | 
				
			
			
		
	
		
			
				
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					}
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					bool is_playing_notes(void) {
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						return playing_notes;
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					    return playing_notes;
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					}
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					bool is_audio_on(void) {
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					| 
						
							
								
							
						
						
						
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