working remoteControl via espNow

lib/LcdWrapper/LcdWrapper.h

@@ -19,6 +19,8 @@
 #define DISPLAY_WRAPPER_ROWS 16
 #define DISPLAY_WRAPPER_LINES 2
 
+typedef void (*LcdWrapperCallback) (const char data[][DISPLAY_WRAPPER_ROWS], uint8_t lines, uint8_t rows);
+
 /**
  * @brief A class for the Menu class to print information 
  * 
@@ -54,6 +56,7 @@ class LcdWrapper : public DisplayWrapper {
          * @param line 
          */
         void setCursor(uint8_t row, uint8_t line) override;
+        void setCallback(LcdWrapperCallback callback) { this->callback = callback; }
 
         /**
          * @brief Save the data to be printed
@@ -65,6 +68,7 @@ class LcdWrapper : public DisplayWrapper {
 
     private:
         LiquidCrystal_I2C* lcd;
+        LcdWrapperCallback callback = nullptr;
         char data[DISPLAY_WRAPPER_LINES][DISPLAY_WRAPPER_ROWS];
 
         uint8_t cursorRow = 0;