diff --git a/OLEDDisplay.h b/OLEDDisplay.h index a6a25be5df7f96dbe43426f10ed217c3430dd340..81537a24fa54ba017715d4971fb094f6f6b3e791 100644 --- a/OLEDDisplay.h +++ b/OLEDDisplay.h @@ -207,7 +207,7 @@ class OLEDDisplay : public Print { void flipScreenVertically(); // Write the buffer to the display memory - virtual void display(void); + virtual void display(void) = 0; // Clear the local pixel buffer void clear(void);