HardwareSerial's flush() method to override the method of the base class Print (#2254)

ilolis · web-flow · commit 49b8eef6d1a7 · 2024-01-22T16:53:20.000+01:00
* add flush() method to HardwareSerial

* remove default argument
diff --git a/cores/arduino/HardwareSerial.cpp b/cores/arduino/HardwareSerial.cpp
@@ -487,6 +487,11 @@ int HardwareSerial::availableForWrite(void)
   return tail - head - 1;
 }
 
+void HardwareSerial::flush()
+{
+  flush(0);
+}
+
 void HardwareSerial::flush(uint32_t timeout)
 {
   // If we have never written a byte, no need to flush. This special
diff --git a/cores/arduino/HardwareSerial.h b/cores/arduino/HardwareSerial.h
@@ -125,7 +125,8 @@ class HardwareSerial : public Stream {
     virtual int peek(void);
     virtual int read(void);
     int availableForWrite(void);
-    virtual void flush(uint32_t timeout = 0);
+    virtual void flush();
+    void flush(uint32_t timeout);
     virtual size_t write(uint8_t);
     inline size_t write(unsigned long n)
     {

Original file line number	Diff line number	Diff line change
`@@ -487,6 +487,11 @@ int HardwareSerial::availableForWrite(void)`
`487`	`487`	`return tail - head - 1;`
`488`	`488`	`}`
`489`	`489`
	`490`	`+void HardwareSerial::flush()`
	`491`	`+{`
	`492`	`+ flush(0);`
	`493`	`+}`
	`494`	`+`
`490`	`495`	`void HardwareSerial::flush(uint32_t timeout)`
`491`	`496`	`{`
`492`	`497`	`// If we have never written a byte, no need to flush. This special`