From ea944c89334fb031a540c51e6de0a1e91b7353de Mon Sep 17 00:00:00 2001
From: Lucas Bremgartner <lucas@bremis.ch>
Date: Sat, 26 Nov 2022 18:26:38 +0100
Subject: [PATCH] buzzer: no tone during rest

---
 buzzer/buzzer.go | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/buzzer/buzzer.go b/buzzer/buzzer.go
index 00822b7..04c1129 100644
--- a/buzzer/buzzer.go
+++ b/buzzer/buzzer.go
@@ -54,6 +54,12 @@ func (l *Device) Tone(hz, duration float64) (err error) {
 
 	tempo := ((60 / l.BPM) * (duration * 1000))
 
+	// no tone during rest, just let the duration pass.
+	if hz == Rest {
+		time.Sleep(time.Duration(tempo) * time.Millisecond)
+		return
+	}
+
 	for i := 0.0; i < tempo*1000; i += tone * 2.0 {
 		if err = l.On(); err != nil {
 			return