Optimize target_extruder, ignore T with mixing (#12432)

* Optimize target_extruder, ignore T with mixing * Give G-code Tn parity with tool_change
2018-11-14 17:33:04 -06:00
parent 5e586a6b39
commit d2bb53702a
18 changed files with 150 additions and 138 deletions
--- a/Marlin/src/gcode/feature/pause/M603.cpp
+++ b/Marlin/src/gcode/feature/pause/M603.cpp
@@ -43,7 +43,8 @@
 */
 void GcodeSuite::M603() {

-  if (get_target_extruder_from_command()) return;
+  const int8_t target_extruder = get_target_extruder_from_command();
+  if (target_extruder < 0) return;

  // Unload length
  if (parser.seen('U')) {