add gpio and rtc function

NexText.cpp

@@ -232,3 +232,5 @@ bool NexText::Set_background_image_pic(uint32_t number)
 }
 
 
+
+

NexText.h

@@ -162,7 +162,8 @@ public: /* methods */
      * @param number - To set up the data
      * @return true if success, false for failure
      */
-    bool Set_background_image_pic(uint32_t number);			
+    bool Set_background_image_pic(uint32_t number);	
+    
 };
 
 /**

Nextion.h

@@ -39,6 +39,7 @@
 #include "NexCheckbox.h"
 #include "NexRadio.h"
 #include "NexScrolltext.h"
-
+#include "NexGpio.h"
+#include "NexRtc.h"
 
 #endif /* #ifndef __NEXTION_H__ */