add silent notes

9 years ago · 976d0a327b
parent a90d68739a
commit 976d0a327b
1 changed files with 3 additions and 0 deletions
--- 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