QR display of DEVEUI (experimental)

include/display.h

@@ -2,12 +2,15 @@
 #define _DISPLAY_H
 
 #include "cyclic.h"
+#include "qrcode.h"
 
 extern uint8_t DisplayIsOn;
 
-void init_display(void);
 void refreshTheDisplay(bool nextPage = false);
+void init_display(void);
 void draw_page(time_t t, uint8_t page);
 void dp_printf(int x, int y, int font, int inv, const char *format, ...);
+void dp_printqr(int offset_x, int offset_y, const char *Message);
+void oledfillRect(int x, int y, int width, int height, int bRender);
 
 #endif