Added reading storage for text and current position, ability to copy from SD Card.

main/core/display.c

@@ -111,3 +111,11 @@ void display_sleep()
 {
     EPD_PowerOff();
 }
+
+void display_alert(char* text)
+{
+    EPD_clearStringRect(CENTER, CENTER, text);
+    EPD_print(text, CENTER, CENTER);
+    EPD_frameStringRect(CENTER, CENTER, text);
+    EPD_UpdateScreen();
+}

main/core/display.h

@@ -14,6 +14,8 @@ void display_update();
 void display_wake();
 void display_sleep();
 
+void display_alert(char* text);
+
 #ifdef __cplusplus
 }
 #endif