From 234be5373fdac04a3af609baf2d8ea918676b91f Mon Sep 17 00:00:00 2001
From: Knutwurst <36196269+knutwurst@users.noreply.github.com>
Date: Tue, 13 Oct 2020 18:05:49 +0200
Subject: [PATCH] Special Menu and/or the SD card requirement can be disabled.

---
 Marlin/Configuration.h                  |  2 ++
 Marlin/src/lcd/anycubic_touchscreen.cpp | 44 ++++++++++++++++++-------
 2 files changed, 34 insertions(+), 12 deletions(-)

diff --git a/Marlin/Configuration.h b/Marlin/Configuration.h
index c190f39b..ddd2273b 100755
--- a/Marlin/Configuration.h
+++ b/Marlin/Configuration.h
@@ -40,6 +40,8 @@
 
 #define ANYCUBIC_TOUCHSCREEN
 #define ANYCUBIC_FILAMENT_RUNOUT_SENSOR
+#define KNUTWURST_SPECIAL_MENU
+#define KNUTWURST_SPECIAL_MENU_WO_SD
 //#define ANYCUBIC_TFT_DEBUG
 //#define POWER_OUTAGE_TEST
 
diff --git a/Marlin/src/lcd/anycubic_touchscreen.cpp b/Marlin/src/lcd/anycubic_touchscreen.cpp
index 2be95cae..2dc95246 100755
--- a/Marlin/src/lcd/anycubic_touchscreen.cpp
+++ b/Marlin/src/lcd/anycubic_touchscreen.cpp
@@ -440,6 +440,7 @@ bool AnycubicTouchscreenClass::CodeSeen(char code)
 
 void AnycubicTouchscreenClass::HandleSpecialMenu()
 {
+#if ENABLED(KNUTWURST_SPECIAL_MENU)
 #ifdef ANYCUBIC_TFT_DEBUG
     SERIAL_ECHOPAIR(" DEBUG: Special Menu Selection: ", currentTouchscreenSelection);
     SERIAL_EOL();
@@ -693,11 +694,13 @@ void AnycubicTouchscreenClass::HandleSpecialMenu()
     LevelMenu = false;
     queue.inject_P(PSTR("G90\nG1 Z10\nG1 X15 Y15 F4000"));
   }
+#endif
 }
 
 
 void AnycubicTouchscreenClass::PrintList()
 {
+#if ENABLED(KNUTWURST_SPECIAL_MENU)
   if(MMLMenu)
   {
     switch (filenumber)
@@ -842,8 +845,13 @@ void AnycubicTouchscreenClass::PrintList()
       break;
     }
   }
+  #endif
   #ifdef SDSUPPORT
+#if ENABLED(KNUTWURST_SPECIAL_MENU)
   else if (card.isMounted())
+#else
+  if (card.isMounted())
+#endif
   {
     uint16_t count = filenumber;
     uint16_t max_files;
@@ -959,8 +967,10 @@ void AnycubicTouchscreenClass::PrintList()
 #endif
   else
   {
-    HARDWARE_SERIAL_PROTOCOLLNPGM(SM_SPECIAL_MENU_S);
-    HARDWARE_SERIAL_PROTOCOLLNPGM(SM_SPECIAL_MENU_L);
+      #if ENABLED(KNUTWURST_SPECIAL_MENU_WO_SD)
+      HARDWARE_SERIAL_PROTOCOLLNPGM(SM_SPECIAL_MENU_S);
+      HARDWARE_SERIAL_PROTOCOLLNPGM(SM_SPECIAL_MENU_L);
+      #endif
   }
 }
 
@@ -1372,17 +1382,27 @@ void AnycubicTouchscreenClass::GetCommandFromTFT()
         }
         case 8: // A8 GET SD LIST
 #ifdef SDSUPPORT
-          currentTouchscreenSelection[0] = 0;
-
-          if (CodeSeen('S'))
-            filenumber = CodeValue();
-            
-          HARDWARE_SERIAL_PROTOCOLPGM("FN "); // Filelist start
-          HARDWARE_SERIAL_ENTER();
-          PrintList();
-          HARDWARE_SERIAL_PROTOCOLPGM("END"); // Filelist stop
-          HARDWARE_SERIAL_ENTER();
           
+          currentTouchscreenSelection[0] = 0;
+#if ENABLED(KNUTWURST_SPECIAL_MENU_WO_SD)
+          if (!IS_SD_INSERTED())
+          {
+            HARDWARE_SERIAL_PROTOCOLPGM("J02");
+            HARDWARE_SERIAL_ENTER();
+          }
+          else
+#endif
+          {
+            if (CodeSeen('S'))
+              filenumber = CodeValue();
+              
+            HARDWARE_SERIAL_PROTOCOLPGM("FN "); // Filelist start
+            HARDWARE_SERIAL_ENTER();
+            PrintList();
+            HARDWARE_SERIAL_PROTOCOLPGM("END"); // Filelist stop
+            HARDWARE_SERIAL_ENTER();
+          }
+    
 #endif
           break;
         case 9: // A9 pause sd print