CDC-ACM fix flush() API

Bogdan Pricop · calvinatintel · commit 4f1a71a77685 · 2015-09-23T13:14:24.000-07:00
Signed-off-by: Bogdan Pricop &lt;bogdan.pricop@emutex.com&gt;
diff --git a/cores/arduino/CDCSerialClass.cpp b/cores/arduino/CDCSerialClass.cpp
@@ -112,7 +112,9 @@ int CDCSerialClass::read( void )
 
 void CDCSerialClass::flush( void )
 {
-    while (_tx_buffer->_iTail != _tx_buffer->_iHead);
+    while (_tx_buffer->_iTail != _tx_buffer->_iHead) {
+	    delayMicroseconds(1);
+    }
 }
 
 size_t CDCSerialClass::write( const uint8_t uc_data )

Original file line number	Diff line number	Diff line change
`@@ -112,7 +112,9 @@ int CDCSerialClass::read( void )`
`112`	`112`
`113`	`113`	`void CDCSerialClass::flush( void )`
`114`	`114`	`{`
`115`		`- while (_tx_buffer->_iTail != _tx_buffer->_iHead);`
	`115`	`+ while (_tx_buffer->_iTail != _tx_buffer->_iHead) {`
	`116`	`+ delayMicroseconds(1);`
	`117`	`+ }`
`116`	`118`	`}`
`117`	`119`
`118`	`120`	`size_t CDCSerialClass::write( const uint8_t uc_data )`