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