Use the base class to optimize screen display code.

src/helpers/ui/E213Display.h

@@ -6,27 +6,19 @@
 #include <Wire.h>
 #include <heltec-eink-modules.h>
 
-enum EInkDetectionResult {
-    V_LCMEN213EFC1 = 0, // Initial version
-    V_E0213A367 = 1,    // E213 PCB marked V1.1 (Mid 2025)
-};
-
 // Display driver for E213 e-ink display
 class E213Display : public DisplayDriver {
-#ifdef VISION_MASTER_E213
-  EInkDisplay_VisionMasterE213 display;
-  EInkDisplay_VisionMasterE213V1_1 display1;
-#else
-  EInkDisplay_WirelessPaperV1_1 display;
-  EInkDisplay_WirelessPaperV1_1_1 display1;
-#endif
-  EInkDetectionResult _version =V_LCMEN213EFC1;
+  BaseDisplay* display=NULL;
   bool _init = false;
   bool _isOn = false;
 
 public:
   E213Display() : DisplayDriver(250, 122) {}
-
+  ~E213Display(){
+    if(display!=NULL) {
+      delete display;
+    }
+  }
   bool begin();
   bool isOn() override { return _isOn; }
   void turnOn() override;
@@ -44,7 +36,7 @@ public:
   void endFrame() override;
 
 private:
-  EInkDetectionResult detectEInk();
+  BaseDisplay* detectEInk();
   void powerOn();
   void powerOff();
 };