From 72d7bbbbf67b53100c66f203c0b0f7ef9124f57f Mon Sep 17 00:00:00 2001
From: Scott Lahteine <github@thinkyhead.com>
Date: Sun, 5 Sep 2021 20:32:29 -0500
Subject: [PATCH] =?UTF-8?q?=F0=9F=94=A7=20Sanity=20checks=20for=20Ender=20?=
 =?UTF-8?q?3=20V2?=
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---
 Marlin/src/inc/SanityCheck.h          | 25 +++++++++++++++++++++----
 Marlin/src/lcd/e3v2/creality/dwin.cpp |  2 +-
 2 files changed, 22 insertions(+), 5 deletions(-)

diff --git a/Marlin/src/inc/SanityCheck.h b/Marlin/src/inc/SanityCheck.h
index d6f911cd4c..01fdaa3451 100644
--- a/Marlin/src/inc/SanityCheck.h
+++ b/Marlin/src/inc/SanityCheck.h
@@ -1750,8 +1750,8 @@ static_assert(Y_MAX_LENGTH >= Y_BED_SIZE, "Movement bounds (Y_MIN_POS, Y_MAX_POS
  * LCD_BED_LEVELING requirements
  */
 #if ENABLED(LCD_BED_LEVELING)
-  #if !HAS_LCD_MENU
-    #error "LCD_BED_LEVELING requires a programmable LCD controller."
+  #if NONE(HAS_LCD_MENU, DWIN_CREALITY_LCD)
+    #error "LCD_BED_LEVELING is not supported by the selected LCD controller."
   #elif !(ENABLED(MESH_BED_LEVELING) || HAS_ABL_NOT_UBL)
     #error "LCD_BED_LEVELING requires MESH_BED_LEVELING or AUTO_BED_LEVELING."
   #elif ENABLED(MESH_EDIT_MENU) && !HAS_MESH
@@ -2656,8 +2656,8 @@ static_assert(Y_MAX_LENGTH >= Y_BED_SIZE, "Movement bounds (Y_MIN_POS, Y_MAX_POS
   + (ENABLED(IS_LEGACY_TFT) && COUNT_ENABLED(TFT_320x240, TFT_320x240_SPI, TFT_480x320, TFT_480x320_SPI)) \
   + COUNT_ENABLED(ANYCUBIC_LCD_I3MEGA, ANYCUBIC_LCD_CHIRON, ANYCUBIC_TFT35) \
   + COUNT_ENABLED(DGUS_LCD_UI_ORIGIN, DGUS_LCD_UI_FYSETC, DGUS_LCD_UI_HIPRECY, DGUS_LCD_UI_MKS) \
-  + COUNT_ENABLED(ENDER2_STOCKDISPLAY, CR10_STOCKDISPLAY, DWIN_CREALITY_LCD) \
-  + COUNT_ENABLED(DWIN_MARLINUI_PORTRAIT, DWIN_MARLINUI_LANDSCAPE) \
+  + COUNT_ENABLED(ENDER2_STOCKDISPLAY, CR10_STOCKDISPLAY) \
+  + COUNT_ENABLED(DWIN_CREALITY_LCD, DWIN_MARLINUI_PORTRAIT, DWIN_MARLINUI_LANDSCAPE) \
   + COUNT_ENABLED(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) \
   + COUNT_ENABLED(LCD_SAINSMART_I2C_1602, LCD_SAINSMART_I2C_2004) \
   + COUNT_ENABLED(MKS_12864OLED, MKS_12864OLED_SSD1306) \
@@ -2750,6 +2750,23 @@ static_assert(Y_MAX_LENGTH >= Y_BED_SIZE, "Movement bounds (Y_MIN_POS, Y_MAX_POS
   #error "Please select only one of CHIRON_TFT_STANDARD or CHIRON_TFT_NEW."
 #endif
 
+/**
+ * Ender 3 V2 controller has some limitations
+ */
+#if ENABLED(DWIN_CREALITY_LCD)
+  #if DISABLED(SDSUPPORT)
+    #error "DWIN_CREALITY_LCD requires SDSUPPORT to be enabled."
+  #elif ENABLED(PID_EDIT_MENU)
+    #error "DWIN_CREALITY_LCD does not support PID_EDIT_MENU."
+  #elif ENABLED(PID_AUTOTUNE_MENU)
+    #error "DWIN_CREALITY_LCD does not support PID_AUTOTUNE_MENU."
+  #elif ENABLED(LEVEL_BED_CORNERS)
+    #error "DWIN_CREALITY_LCD does not support LEVEL_BED_CORNERS."
+  #elif BOTH(LCD_BED_LEVELING, PROBE_MANUALLY)
+    #error "DWIN_CREALITY_LCD does not support LCD_BED_LEVELING with PROBE_MANUALLY."
+  #endif
+#endif
+
 /**
  * Some boards forbid the use of -1 Native USB
  */
diff --git a/Marlin/src/lcd/e3v2/creality/dwin.cpp b/Marlin/src/lcd/e3v2/creality/dwin.cpp
index 5ddc231817..a6218609df 100644
--- a/Marlin/src/lcd/e3v2/creality/dwin.cpp
+++ b/Marlin/src/lcd/e3v2/creality/dwin.cpp
@@ -30,7 +30,7 @@
 
 #include "dwin.h"
 
-#if ANY(AUTO_BED_LEVELING_BILINEAR, AUTO_BED_LEVELING_LINEAR, AUTO_BED_LEVELING_3POINT) && DISABLED(PROBE_MANUALLY)
+#if ENABLED(LCD_BED_LEVELING) && DISABLED(PROBE_MANUALLY) && ANY(AUTO_BED_LEVELING_BILINEAR, AUTO_BED_LEVELING_LINEAR, AUTO_BED_LEVELING_3POINT)
   #define HAS_ONESTEP_LEVELING 1
 #endif