♻️ Refactor PROBE_PT_[123]

Marlin/Configuration_adv.h

@@ -2152,13 +2152,10 @@
  * Points to probe for all 3-point Leveling procedures.
  * Override if the automatically selected points are inadequate.
  */
-#if EITHER(AUTO_BED_LEVELING_3POINT, AUTO_BED_LEVELING_UBL)
-  //#define PROBE_PT_1_X 15
-  //#define PROBE_PT_1_Y 180
-  //#define PROBE_PT_2_X 15
-  //#define PROBE_PT_2_Y 20
-  //#define PROBE_PT_3_X 170
-  //#define PROBE_PT_3_Y 20
+#if NEEDS_THREE_PROBE_POINTS
+  //#define PROBE_PT_1 {  15, 180 }   // (mm) { x, y }
+  //#define PROBE_PT_2 {  15,  20 }
+  //#define PROBE_PT_3 { 170,  20 }
 #endif
 
 /**

Marlin/src/inc/Conditionals_post.h

@@ -3188,13 +3188,9 @@
   #undef MESH_MAX_Y
 #endif
 
-#define _POINT_COUNT (defined(PROBE_PT_1_X) + defined(PROBE_PT_2_X) + defined(PROBE_PT_3_X) + defined(PROBE_PT_1_Y) + defined(PROBE_PT_2_Y) + defined(PROBE_PT_3_Y))
-#if _POINT_COUNT == 6
-  #define HAS_FIXED_3POINT 1
-#elif _POINT_COUNT > 0
-  #error "For 3-Point Leveling all XY points must be defined (or none for the defaults)."
+#if NEEDS_THREE_PROBE_POINTS && defined(PROBE_PT_1)
+  #define HAS_FIXED_3POINT 1  // Points are defined for ABL/UBL. Else calculated in probe.get_three_points.
 #endif
-#undef _POINT_COUNT
 
 /**
  * Buzzer/Speaker

Marlin/src/inc/SanityCheck.h

@@ -676,6 +676,8 @@
   #error "DISABLE_INACTIVE_E is now set with DISABLE_INACTIVE_EXTRUDER."
 #elif defined(INVERT_X_STEP_PIN) || defined(INVERT_Y_STEP_PIN) || defined(INVERT_Z_STEP_PIN) || defined(INVERT_I_STEP_PIN) || defined(INVERT_J_STEP_PIN) || defined(INVERT_K_STEP_PIN) || defined(INVERT_U_STEP_PIN) || defined(INVERT_V_STEP_PIN) || defined(INVERT_W_STEP_PIN) || defined(INVERT_E_STEP_PIN)
   #error "INVERT_*_STEP_PIN true is now STEP_STATE_* LOW, and INVERT_*_STEP_PIN false is now STEP_STATE_* HIGH."
+#elif defined(PROBE_PT_1_X) || defined(PROBE_PT_1_Y) || defined(PROBE_PT_2_X) || defined(PROBE_PT_2_Y) || defined(PROBE_PT_3_X) || defined(PROBE_PT_3_Y)
+  #error "PROBE_PT_[123]_[XY] is now defined using PROBE_PT_[123] with an array { x, y }."
 #endif
 
 // L64xx stepper drivers have been removed
@@ -2102,6 +2104,12 @@ static_assert(X_MAX_LENGTH >= X_BED_SIZE, "Movement bounds (X_MIN_POS, X_MAX_POS
 
 #endif
 
+#define _POINT_COUNT (defined(PROBE_PT_1) + defined(PROBE_PT_2) + defined(PROBE_PT_3))
+#if _POINT_COUNT != 0 && _POINT_COUNT != 3
+  #error "For 3-Point Procedures all XY points must be defined (or none for the defaults)."
+#endif
+#undef _POINT_COUNT
+
 #if ALL(HAS_LEVELING, RESTORE_LEVELING_AFTER_G28, ENABLE_LEVELING_AFTER_G28)
   #error "Only enable RESTORE_LEVELING_AFTER_G28 or ENABLE_LEVELING_AFTER_G28, but not both."
 #endif

Marlin/src/module/probe.h

@@ -294,12 +294,12 @@ public:
       template <typename T>
       static void get_three_points(T points[3]) {
         #if HAS_FIXED_3POINT
-          #define VALIDATE_PROBE_PT(N) static_assert(Probe::build_time::can_reach(xy_pos_t{PROBE_PT_##N##_X, PROBE_PT_##N##_Y}), \
-            "PROBE_PT_" STRINGIFY(N) "_(X|Y) is unreachable using default NOZZLE_TO_PROBE_OFFSET and PROBING_MARGIN");
+          #define VALIDATE_PROBE_PT(N) static_assert(Probe::build_time::can_reach(xy_pos_t(PROBE_PT_##N)), \
+            "PROBE_PT_" STRINGIFY(N) " is unreachable using default NOZZLE_TO_PROBE_OFFSET and PROBING_MARGIN.");
           VALIDATE_PROBE_PT(1); VALIDATE_PROBE_PT(2); VALIDATE_PROBE_PT(3);
-          points[0] = xy_float_t({ PROBE_PT_1_X, PROBE_PT_1_Y });
-          points[1] = xy_float_t({ PROBE_PT_2_X, PROBE_PT_2_Y });
-          points[2] = xy_float_t({ PROBE_PT_3_X, PROBE_PT_3_Y });
+          points[0] = xy_float_t(PROBE_PT_1);
+          points[1] = xy_float_t(PROBE_PT_2);
+          points[2] = xy_float_t(PROBE_PT_3);
         #else
           #if IS_KINEMATIC
             constexpr float SIN0 = 0.0, SIN120 = 0.866025, SIN240 = -0.866025,

buildroot/tests/mega2560

@@ -62,7 +62,8 @@ opt_set MOTHERBOARD BOARD_AZTEEG_X3_PRO NUM_SERVOS 1 \
         NUM_RUNOUT_SENSORS 5 FIL_RUNOUT2_PIN 44 FIL_RUNOUT3_PIN 45 FIL_RUNOUT4_PIN 46 FIL_RUNOUT5_PIN 47 \
         FIL_RUNOUT3_STATE HIGH FILAMENT_RUNOUT_SCRIPT '"M600 T%c"'
 opt_enable VIKI2 BOOT_MARLIN_LOGO_ANIMATED SDSUPPORT AUTO_REPORT_SD_STATUS \
-           Z_PROBE_SERVO_NR Z_SERVO_ANGLES DEACTIVATE_SERVOS_AFTER_MOVE AUTO_BED_LEVELING_3POINT DEBUG_LEVELING_FEATURE \
+           Z_PROBE_SERVO_NR Z_SERVO_ANGLES DEACTIVATE_SERVOS_AFTER_MOVE \
+           AUTO_BED_LEVELING_3POINT DEBUG_LEVELING_FEATURE PROBE_PT_1 PROBE_PT_2 PROBE_PT_3 \
            EEPROM_SETTINGS EEPROM_CHITCHAT M114_DETAIL AUTO_REPORT_POSITION \
            NO_VOLUMETRICS EXTENDED_CAPABILITIES_REPORT AUTO_REPORT_TEMPERATURES AUTOTEMP G38_PROBE_TARGET JOYSTICK \
            DIRECT_STEPPING DETECT_BROKEN_ENDSTOP \