Ticker: invoke _function only if attached

0xc0170 · 0xc0170 · commit 406aac54f368 · 2017-09-09T18:41:01.000+02:00
diff --git a/drivers/Ticker.cpp b/drivers/Ticker.cpp
@@ -43,7 +43,9 @@ void Ticker::setup(us_timestamp_t t) {
 
 void Ticker::handler() {
     insert_absolute(event.timestamp + _delay);
-    _function();
+    if (_function) {
+        _function();
+    }
 }
 
 } // namespace mbed

Original file line number	Diff line number	Diff line change
`@@ -43,7 +43,9 @@ void Ticker::setup(us_timestamp_t t) {`
`43`	`43`
`44`	`44`	`void Ticker::handler() {`
`45`	`45`	`insert_absolute(event.timestamp + _delay);`
`46`		`- _function();`
	`46`	`+ if (_function) {`
	`47`	`+ _function();`
	`48`	`+ }`
`47`	`49`	`}`
`48`	`50`
`49`	`51`	`} // namespace mbed`