🧑‍💻 Add AXIS_COLLISION to catch broken parameters

\

Marlin/src/core/types.h

@@ -64,6 +64,8 @@ struct IF<true, L, R> { typedef L type; };
   #define GANG_ITEM_E(N)
 #endif
 
+#define AXIS_COLLISION(L) (AXIS4_NAME == L || AXIS5_NAME == L || AXIS6_NAME == L)
+
 //
 // Enumerated axis indices
 //

Marlin/src/gcode/config/M200-M205.cpp

@@ -253,7 +253,7 @@ void GcodeSuite::M205() {
   if (parser.seenval('S')) planner.settings.min_feedrate_mm_s = parser.value_linear_units();
   if (parser.seenval('T')) planner.settings.min_travel_feedrate_mm_s = parser.value_linear_units();
   #if HAS_JUNCTION_DEVIATION
-    #if HAS_CLASSIC_JERK && (AXIS4_NAME == 'J' || AXIS5_NAME == 'J' || AXIS6_NAME == 'J')
+    #if HAS_CLASSIC_JERK && AXIS_COLLISION('J')
       #error "Can't set_max_jerk for 'J' axis because 'J' is used for Junction Deviation."
     #endif
     if (parser.seenval('J')) {

Marlin/src/gcode/feature/L6470/M906.cpp

@@ -24,6 +24,10 @@
 
 #if HAS_L64XX
 
+#if AXIS_COLLISION('I')
+  #error "M906 parameter collision with axis name."
+#endif
+
 #include "../../gcode.h"
 #include "../../../libs/L64XX/L64XX_Marlin.h"
 #include "../../../module/stepper/indirection.h"

Marlin/src/gcode/feature/trinamic/M569.cpp

@@ -24,6 +24,10 @@
 
 #if HAS_STEALTHCHOP
 
+#if AXIS_COLLISION('I')
+  #error "M569 parameter collision with axis name."
+#endif
+
 #include "../../gcode.h"
 #include "../../../feature/tmc_util.h"
 #include "../../../module/stepper/indirection.h"

Marlin/src/gcode/motion/G5.cpp

@@ -24,6 +24,10 @@
 
 #if ENABLED(BEZIER_CURVE_SUPPORT)
 
+#if AXIS_COLLISION('I') || AXIS_COLLISION('J')
+  #error "G5 parameter collision with axis name."
+#endif
+
 #include "../../module/motion.h"
 #include "../../module/planner_bezier.h"