Add DGUS_RELOADED extui lib

Author: Desuuuu

Marlin/Configuration.h

@@ -2068,6 +2068,11 @@
 //#define DGUS_LCD_UI_FYSETC
 //#define DGUS_LCD_UI_HIPRECY
 
+//
+// Alternative DGUS LCD firmware
+//
+//#define DGUS_LCD_UI_RELOADED
+
 //
 // Touch-screen LCD for Malyan M200 printers
 //

Marlin/src/inc/Conditionals_LCD.h

@@ -358,6 +358,10 @@
 
 // Aliases for LCD features
 #if ANY(DGUS_LCD_UI_ORIGIN, DGUS_LCD_UI_FYSETC, DGUS_LCD_UI_HIPRECY)
+  #define DGUS_LCD_UI_CLASSIC
+#endif
+
+#if ANY(DGUS_LCD_UI_CLASSIC, DGUS_LCD_UI_RELOADED)
   #define HAS_DGUS_LCD 1
 #endif
 

Marlin/src/inc/SanityCheck.h

@@ -2070,6 +2070,7 @@ static_assert(Y_MAX_LENGTH >= Y_BED_SIZE, "Movement bounds (Y_MIN_POS, Y_MAX_POS
   + ENABLED(DGUS_LCD_UI_ORIGIN) \
   + ENABLED(DGUS_LCD_UI_FYSETC) \
   + ENABLED(DGUS_LCD_UI_HIPRECY) \
+  + ENABLED(DGUS_LCD_UI_RELOADED) \
   + ENABLED(MALYAN_LCD) \
   + ENABLED(TOUCH_UI_FTDI_EVE) \
   + ENABLED(FSMC_GRAPHICAL_TFT)
@@ -2833,3 +2834,28 @@ static_assert(   _ARR_TEST(3,0) && _ARR_TEST(3,1) && _ARR_TEST(3,2)
 #if SAVED_POSITIONS > 256
   #error "SAVED_POSITIONS must be an integer from 0 to 256."
 #endif
+
+/**
+ * Require certain features for DGUS_LCD_UI_RELOADED.
+ */
+#if ENABLED(DGUS_LCD_UI_RELOADED)
+  #if HOTENDS < 1
+    #error "DGUS_LCD_UI_RELOADED requires at least 1 hotend."
+  #elif EXTRUDERS < 1
+    #error "DGUS_LCD_UI_RELOADED requires at least 1 extruder."
+  #elif !HAS_HEATED_BED
+    #error "DGUS_LCD_UI_RELOADED requires a heated bed."
+  #elif FAN_COUNT < 1
+    #error "DGUS_LCD_UI_RELOADED requires a fan."
+  #elif !HAS_BED_PROBE
+    #error "DGUS_LCD_UI_RELOADED requires a bed probe."
+  #elif !HAS_MESH
+    #error "DGUS_LCD_UI_RELOADED requires mesh leveling."
+  #elif DISABLED(LEVEL_BED_CORNERS)
+    #error "DGUS_LCD_UI_RELOADED requires LEVEL_BED_CORNERS."
+  #elif DISABLED(BABYSTEP_ALWAYS_AVAILABLE)
+    #error "DGUS_LCD_UI_RELOADED requires BABYSTEP_ALWAYS_AVAILABLE."
+  #elif DISABLED(BABYSTEP_ZPROBE_OFFSET)
+    #error "DGUS_LCD_UI_RELOADED requires BABYSTEP_ZPROBE_OFFSET."
+  #endif
+#endif

Marlin/src/lcd/extui/lib/dgus/DGUSDisplay.cpp

@@ -24,7 +24,7 @@
 
 #include "../../../../inc/MarlinConfigPre.h"
 
-#if HAS_DGUS_LCD
+#if ENABLED(DGUS_LCD_UI_CLASSIC)
 
 #if HOTENDS > 2
   #error "More than 2 hotends not implemented on the Display UI design."
@@ -1352,4 +1352,4 @@ void DGUSDisplay::WritePGM(const char str[], uint8_t len) {
 // A SW memory barrier, to ensure GCC does not overoptimize loops
 #define sw_barrier() asm volatile("": : :"memory");
 
-#endif // HAS_DGUS_LCD
+#endif // DGUS_LCD_UI_CLASSIC