Add FYSETC 2.42 inch OLED support (#18485)

Marlin/Configuration.h

@@ -2091,6 +2091,11 @@
 //
 //#define OVERLORD_OLED
 
+//
+// FYSETC OLED 2.42" 128 × 64 FULL GRAPHICS CONTROLLER with WS2812 RGB
+// Where to find : https://www.aliexpress.com/item/4000345255731.html
+//#define FYSETC_242_OLED_12864   // Uses the SSD1309 controller
+
 //=============================================================================
 //========================== Extensible UI Displays ===========================
 //=============================================================================

Marlin/src/inc/Conditionals_LCD.h

@@ -120,6 +120,27 @@
   #define IS_RRD_SC
   #define IS_U8GLIB_SSD1306
 
+#elif ENABLED(FYSETC_242_OLED_12864)
+      
+  #define IS_RRD_SC
+  #define U8GLIB_SH1106
+    
+  #define LED_CONTROL_MENU
+  #define NEOPIXEL_LED
+  #undef NEOPIXEL_TYPE
+  #define NEOPIXEL_TYPE       NEO_RGB
+  #if NEOPIXEL_PIXELS < 3
+    #undef NEOPIXELS_PIXELS
+    #define NEOPIXEL_PIXELS     3
+  #endif
+  #ifndef NEOPIXEL_BRIGHTNESS
+    #define NEOPIXEL_BRIGHTNESS 127
+  #endif
+    
+  #if ENABLED(PSU_CONTROL)
+    #define LED_BACKLIGHT_TIMEOUT 10000
+  #endif
+
 #elif ANY(FYSETC_MINI_12864_X_X, FYSETC_MINI_12864_1_2, FYSETC_MINI_12864_2_0, FYSETC_MINI_12864_2_1, FYSETC_GENERIC_12864_1_1)
 
   #define FYSETC_MINI_12864

Marlin/src/inc/Conditionals_adv.h

@@ -208,7 +208,7 @@
   #endif
 #endif
 
-#if ENABLED(FYSETC_MINI_12864_2_1)
+#if ENABLED(FYSETC_MINI_12864_2_1, FYSETC_242_OLED_12864)
   #define LED_CONTROL_MENU
   #define LED_USER_PRESET_STARTUP
   #define LED_COLOR_PRESETS

Marlin/src/lcd/dogm/ultralcd_DOGM.cpp

@@ -246,7 +246,7 @@ void MarlinUI::init_lcd() {
       OUT_WRITE(LCD_BACKLIGHT_PIN, DISABLED(DELAYED_BACKLIGHT_INIT)); // Illuminate after reset or right away
     #endif
 
-    #if EITHER(MKS_12864OLED, MKS_12864OLED_SSD1306)
+    #if EITHER(MKS_12864OLED, MKS_12864OLED_SSD1306, FYSETC_242_OLED_12864)
       SET_OUTPUT(LCD_PINS_DC);
       #ifndef LCD_RESET_PIN
         #define LCD_RESET_PIN LCD_PINS_RS

Marlin/src/lcd/dogm/ultralcd_DOGM.h

@@ -123,6 +123,18 @@
     #define U8G_CLASS U8GLIB_SH1106_128X64                      // 8 stripes
   #endif
 
+#elif ENABLED(FYSETC_242_OLED_12864)
+  
+  // FYSETC OLED 2.42" 128 × 64 FULL GRAPHICS CONTROLLER
+      
+  #define FORCE_SOFT_SPI                                        // SW-SPI
+  
+  #if ENABLED(ALTERNATIVE_LCD)
+    #define U8G_CLASS U8GLIB_SSD1306_128X64_2X                  // 4 stripes
+  #else
+    #define U8G_CLASS U8GLIB_SSD1306_128X64                     // 8 stripes
+  #endif
+
 #elif ENABLED(U8GLIB_SH1106)
 
   // Generic SH1106 OLED I2C LCD

Marlin/src/pins/ramps/pins_FYSETC_F6_13.h

@@ -211,10 +211,28 @@
 //
 // LCDs and Controllers
 //
-#define BEEPER_PIN                            37
 #define SD_DETECT_PIN                         49
 
-#if ENABLED(FYSETC_MINI_12864)
+#if ENABLED(FYSETC_242_OLED_12864)
+  #define BTN_EN1                             37
+  #define BTN_EN2                             29
+  #define BTN_ENC                             35
+  #define BEEPER_PIN                          31
+
+  #define LCD_PINS_DC                         25
+  #define LCD_PINS_RS                         33
+  #define DOGLCD_CS                           16
+  #define DOGLCD_MOSI                         23
+  #define DOGLCD_SCK                          17
+  #define DOGLCD_A0                  LCD_PINS_DC
+
+  #define KILL_PIN                            -1  // NC
+  #define NEOPIXEL_PIN                        27
+
+#else
+  #define BEEPER_PIN                          37
+
+  #if ENABLED(FYSETC_MINI_12864)
     //
     // See https://wiki.fysetc.com/Mini12864_Panel/?fbclid=IwAR1FyjuNdVOOy9_xzky3qqo_WeM5h-4gpRnnWhQr_O1Ef3h0AFnFXmCehK8
     //
@@ -243,7 +261,7 @@
       #define NEOPIXEL_PIN                    25
     #endif
 
-#elif HAS_GRAPHICAL_LCD
+  #elif HAS_GRAPHICAL_LCD
 
     #define LCD_PINS_RS                       16
     #define LCD_PINS_ENABLE                   17
@@ -257,12 +275,13 @@
       #define DOGLCD_A0                       27
     #endif
 
-#endif
+  #endif
 
-#if ENABLED(NEWPANEL)
+  #if ENABLED(NEWPANEL)
     #define BTN_EN1                           31
     #define BTN_EN2                           33
     #define BTN_ENC                           35
+  #endif
 #endif
 
 #ifndef RGB_LED_R_PIN