Move T (tool change) to cpp

Marlin/src/gcode/control/T.cpp

@@ -20,15 +20,20 @@
  *
  */
 
+#include "../gcode.h"
 #include "../../module/tool_change.h"
 
+#if ENABLED(DEBUG_LEVELING_FEATURE) || HOTENDS > 1
+  #include "../../module/motion.h"
+#endif
+
 /**
  * T0-T3: Switch tool, usually switching extruders
  *
  *   F[units/min] Set the movement feedrate
  *   S1           Don't move the tool in XY after change
  */
-void gcode_T(uint8_t tmp_extruder) {
+void GcodeSuite::T(const uint8_t tmp_extruder) {
 
   #if ENABLED(DEBUG_LEVELING_FEATURE)
     if (DEBUGGING(LEVELING)) {

Marlin/src/gcode/gcode.cpp

@@ -116,8 +116,6 @@ void GcodeSuite::dwell(millis_t time) {
 //
 // Placeholders for non-migrated codes
 //
-extern void gcode_T(uint8_t tmp_extruder);
-
 #if ENABLED(M100_FREE_MEMORY_WATCHER)
   extern void M100_dump_routine(const char * const title, const char *start, const char *end);
 #endif
@@ -690,9 +688,7 @@ void GcodeSuite::process_next_command() {
     }
     break;
 
-    case 'T':
-      gcode_T(parser.codenum);
-      break;
+    case 'T': T(parser.codenum); break; // Tn: Tool Change
 
     default: parser.unknown_command_error();
   }

Marlin/src/gcode/gcode.h

@@ -722,7 +722,7 @@ private:
 
   static void M999();
 
-  static void T(uint8_t tmp_extruder);
+  static void T(const uint8_t tmp_extruder);
 
 };