--- a/lib/unigraphic/SSD1322.h	Tue Oct 27 21:48:28 2020 +0100
+++ b/lib/unigraphic/SSD1322.h	Sun Nov 01 22:10:10 2020 +0100
@@ -44,7 +44,8 @@
 	 */
     virtual ~SSD1322() {};
 
-
+	void power_off();
+	void power_on();
 
 /////// functions that come for free, but can be overwritten///////////////////////////////////////////////////
 /////// ----------------------------------------------------///////////////////////////////////////////////////