diff options
| -rw-r--r-- | quantum/audio.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/quantum/audio.c b/quantum/audio.c index 3a3a1a491..f29d941d7 100644 --- a/quantum/audio.c +++ b/quantum/audio.c @@ -247,6 +247,9 @@ ISR(TIMER3_COMPA_vect) { if (note_frequency > 0) { ICR3 = (int)(((double)F_CPU) / note_frequency); // Set max to the period OCR3A = (int)(((double)F_CPU) / note_frequency) >> 1; // Set compare to half the period + } else { + ICR3 = 0; + OCR3A = 0; } #endif |