|  |  |  | @ -247,6 +247,9 @@ ISR(TIMER3_COMPA_vect) { | 
			
		
	
		
			
				
					|  |  |  |  |             if (note_frequency > 0) { | 
			
		
	
		
			
				
					|  |  |  |  |                 ICR3 = (int)(((double)F_CPU) / note_frequency); // Set max to the period
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					|  |  |  |  |                 OCR3A = (int)(((double)F_CPU) / note_frequency) >> 1; // Set compare to half the period
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					|  |  |  |  |             } else { | 
			
		
	
		
			
				
					|  |  |  |  |                 ICR3 = 0; | 
			
		
	
		
			
				
					|  |  |  |  |                 OCR3A = 0; | 
			
		
	
		
			
				
					|  |  |  |  |             } | 
			
		
	
		
			
				
					|  |  |  |  |         #endif | 
			
		
	
		
			
				
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