More chiron fixes. Reduced memory usage and better thermal runaway values.

Marlin/Configuration.h

@@ -1683,7 +1683,7 @@
  * Normally G28 leaves leveling disabled on completion. Enable
  * this option to have G28 restore the prior leveling state.
  */
-//#define RESTORE_LEVELING_AFTER_G28 // Disabled due to some bugs regarding BLTouch leveling
+#define RESTORE_LEVELING_AFTER_G28 // Disabled due to some bugs regarding BLTouch leveling
 
 /**
  * Enable detailed logging of G28, G29, M48, etc.

Marlin/Configuration_adv.h

@@ -152,6 +152,13 @@
  * THERMAL_PROTECTION_HYSTERESIS and/or THERMAL_PROTECTION_PERIOD
  */
 #if ENABLED(THERMAL_PROTECTION_HOTENDS)
+	#if ENABLED(KNUTWURST_CHIRON)
+	  #define THERMAL_PROTECTION_PERIOD     60     // Seconds
+	  #define THERMAL_PROTECTION_HYSTERESIS 20     // Degrees Celsius		
+	  
+	  #define WATCH_TEMP_PERIOD   60               // Seconds
+	  #define WATCH_TEMP_INCREASE 10               // Degrees Celsius
+	#else
 	  #define THERMAL_PROTECTION_PERIOD 10        // Seconds
 	  #define THERMAL_PROTECTION_HYSTERESIS 15     // Degrees Celsius
 
@@ -175,11 +182,22 @@
 	  #define WATCH_TEMP_PERIOD 30                // Seconds
 	  #define WATCH_TEMP_INCREASE 3               // Degrees Celsius
 	#endif
+#endif
 
 /**
  * Thermal Protection parameters for the bed are just as above for hotends.
  */
 #if ENABLED(THERMAL_PROTECTION_BED)
+	#if ENABLED(KNUTWURST_CHIRON)
+	  #define THERMAL_PROTECTION_BED_PERIOD         40 // Seconds
+	  #define THERMAL_PROTECTION_BED_HYSTERESIS     10 // Degrees Celsius
+
+	  /**
+	   * As described above, except for the bed (M140/M190/M303).
+	   */
+	  #define WATCH_BED_TEMP_PERIOD                120 // Seconds
+	  #define WATCH_BED_TEMP_INCREASE               10 // Degrees Celsius
+	#else
 	  #define THERMAL_PROTECTION_BED_PERIOD        20 // Seconds
 	  #define THERMAL_PROTECTION_BED_HYSTERESIS     2 // Degrees Celsius
 
@@ -189,6 +207,7 @@
 	  #define WATCH_BED_TEMP_PERIOD                60 // Seconds
 	  #define WATCH_BED_TEMP_INCREASE               2 // Degrees Celsius
 	#endif
+#endif
 
 /**
  * Thermal Protection parameters for the heated chamber.
@@ -306,7 +325,13 @@
 
 // The number of consecutive low temperature errors that can occur
 // before a min_temp_error is triggered. (Shouldn't be more than 10.)
+
+
+#if ENABLED(KNUTWURST_CHIRON)
+	#define MAX_CONSECUTIVE_LOW_TEMPERATURE_ERROR_ALLOWED 3
+#else
 	//#define MAX_CONSECUTIVE_LOW_TEMPERATURE_ERROR_ALLOWED 0
+#endif
 
 // The number of milliseconds a hotend will preheat before starting to check
 // the temperature. This value should NOT be set to the time it takes the
@@ -1532,7 +1557,7 @@
 #define LIN_ADVANCE
 #if ENABLED(LIN_ADVANCE)
   //#define EXTRA_LIN_ADVANCE_K // Enable for second linear advance constants
-  #define LIN_ADVANCE_K 0	  // Unit: mm compression per 1mm/s extruder speed
+  #define LIN_ADVANCE_K 0.0	  // Unit: mm compression per 1mm/s extruder speed
   //#define LA_DEBUG          // If enabled, this will generate debug information output over USB.
 #endif
 
@@ -1577,13 +1602,6 @@
   #endif
 #endif
 
-#if ENABLED(KNUTWURST_TFT_LEVELING)
-  #define MIN_PROBE_EDGE_LEFT MIN_PROBE_EDGE
-  #define MIN_PROBE_EDGE_RIGHT (MIN_PROBE_EDGE_LEFT + 380)
-  #define MIN_PROBE_EDGE_FRONT (MIN_PROBE_EDGE + 9)
-  #define MIN_PROBE_EDGE_BACK  (MIN_PROBE_EDGE_FRONT + 380)
-#endif
-
 #if EITHER(MESH_BED_LEVELING, AUTO_BED_LEVELING_UBL)
   // Override the mesh area if the automatic (max) area is too large
   #define MESH_MIN_X MESH_INSET
@@ -1736,6 +1754,19 @@
 
 // @section hidden
 
+
+#if ENABLED(KNUTWURST_CHIRON)
+    #if ENABLED(SDSUPPORT)
+      #define BLOCK_BUFFER_SIZE 8 // SD,LCD,Buttons take more memory, block buffer needs to be smaller
+    #else
+      #define BLOCK_BUFFER_SIZE 16 // maximize block buffer
+    #endif
+
+    #define MAX_CMD_SIZE 96
+    #define BUFSIZE 4
+    #define TX_BUFFER_SIZE 0
+    #define RX_BUFFER_SIZE 64
+#else
     // The number of linear motions that can be in the plan at any give time.
     // THE BLOCK_BUFFER_SIZE NEEDS TO BE A POWER OF 2 (e.g. 8, 16, 32) because shifts and ors are used to do the ring-buffering.
     #if ENABLED(SDSUPPORT)
@@ -1757,13 +1788,14 @@
     // For debug-echo: 128 bytes for the optimal speed.
     // Other output doesn't need to be that speedy.
     // :[0, 2, 4, 8, 16, 32, 64, 128, 256]
-#define TX_BUFFER_SIZE 4
+    #define TX_BUFFER_SIZE 0
 
     // Host Receive Buffer Size
     // Without XON/XOFF flow control (see SERIAL_XON_XOFF below) 32 bytes should be enough.
     // To use flow control, set this buffer size to at least 1024 bytes.
     // :[0, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048]
     #define RX_BUFFER_SIZE 256
+#endif
 
 #if RX_BUFFER_SIZE >= 1024
   // Enable to have the controller send XON/XOFF control characters to