Merge pull request #59 from facchinm/tone_infinite

facchinm · web-flow · commit 548a18edadff · 2020-04-07T12:18:15.000+02:00
Tone: allow running indefinitely when called without duration
diff --git a/cores/arduino/Tone.cpp b/cores/arduino/Tone.cpp
@@ -21,7 +21,9 @@ class Tone {
 
     void start(void) {
         ticker.attach(mbed::callback(this, &Tone::toggle), 0.5f / float(frequency));
-        start_timeout();
+        if (duration != 0) {
+            start_timeout();
+        }
     }
 
     void toggle() {

Original file line number	Diff line number	Diff line change
`@@ -21,7 +21,9 @@ class Tone {`
`21`	`21`
`22`	`22`	`void start(void) {`
`23`	`23`	`ticker.attach(mbed::callback(this, &Tone::toggle), 0.5f / float(frequency));`
`24`		`- start_timeout();`
	`24`	`+ if (duration != 0) {`
	`25`	`+ start_timeout();`
	`26`	`+ }`
`25`	`27`	`}`
`26`	`28`
`27`	`29`	`void toggle() {`