Refactor Inkplate instance and update method calls

Author: JosipKuci

examples/Inkplate6/Advanced/IO/InternalExpander/InternalExpander.ino

@@ -55,25 +55,25 @@
 #define LED_PIN 15
 
 // Create an instance of the Inkplate object
-Inkplate display;
+Inkplate inkplate(INKPLATE_1BIT);
 
 void setup()
 {
     // Init Inkplate library and LVGL in PARTIAL render mode
-    display.begin(LV_DISP_RENDER_MODE_PARTIAL);
+    inkplate.begin(LV_DISP_RENDER_MODE_PARTIAL);
 
     // Set P1-7 (GPB7) as output on the *internal* IO expander
     // Only pins 9–15 are safe to use on the internal expander.
-    display.internalIO.pinMode(LED_PIN, OUTPUT);
+    inkplate.internalIO.pinMode(LED_PIN, OUTPUT);
 }
 
 void loop()
 {
     // Set output to LOW (LED off)
-    display.internalIO.digitalWrite(LED_PIN, LOW);
+    inkplate.internalIO.digitalWrite(LED_PIN, LOW);
     delay(1000); // Wait for one second
 
     // Set output to HIGH (LED on)
-    display.internalIO.digitalWrite(LED_PIN, HIGH);
+    inkplate.internalIO.digitalWrite(LED_PIN, HIGH);
     delay(1000); // Wait for one second
 }