🐛 Fix UBL 'R' parameter and adjust 'P' (#22129)

Marlin/src/feature/bedlevel/ubl/ubl.cpp

@@ -164,7 +164,7 @@ static void serial_echo_column_labels(const uint8_t sp) {
  *   2: TODO: Display on Graphical LCD
  *   4: Compact Human-Readable
  */
-void unified_bed_leveling::display_map(const int map_type) {
+void unified_bed_leveling::display_map(const uint8_t map_type) {
   const bool was = gcode.set_autoreport_paused(true);
 
   constexpr uint8_t eachsp = 1 + 6 + 1,                           // [-3.567]
@@ -263,7 +263,7 @@ bool unified_bed_leveling::sanity_check() {
   void GcodeSuite::M1004() {
 
     #define ALIGN_GCODE TERN(Z_STEPPER_AUTO_ALIGN, "G34", "")
-    #define PROBE_GCODE TERN(HAS_BED_PROBE, "G29P1\nG29P3", "G29P4R255")
+    #define PROBE_GCODE TERN(HAS_BED_PROBE, "G29P1\nG29P3", "G29P4R")
 
     #if HAS_HOTEND
       if (parser.seenval('H')) {                          // Handle H# parameter to set Hotend temp

Marlin/src/feature/bedlevel/ubl/ubl.h

@@ -47,10 +47,10 @@ struct mesh_index_pair;
 
 typedef struct {
   bool      C_seen;
-  int8_t    V_verbosity,
+  int8_t    KLS_storage_slot;
+  uint8_t   R_repetition,
+            V_verbosity,
             P_phase,
-            R_repetition,
-            KLS_storage_slot,
             T_map_type;
   float     B_shim_thickness,
             C_constant;
@@ -98,7 +98,7 @@ public:
   static void report_state();
   static void save_ubl_active_state_and_disable();
   static void restore_ubl_active_state_and_leave();
-  static void display_map(const int) _O0;
+  static void display_map(const uint8_t) _O0;
   static mesh_index_pair find_closest_mesh_point_of_type(const MeshPointType, const xy_pos_t&, const bool=false, MeshFlags *done_flags=nullptr) _O0;
   static mesh_index_pair find_furthest_invalid_mesh_point() _O0;
   static void reset();

Marlin/src/feature/bedlevel/ubl/ubl_G29.cpp

@@ -305,7 +305,7 @@ void unified_bed_leveling::G29() {
   bool probe_deployed = false;
   if (G29_parse_parameters()) return; // Abort on parameter error
 
-  const int8_t p_val = parser.intval('P', -1);
+  const uint8_t p_val = parser.byteval('P');
   const bool may_move = p_val == 1 || p_val == 2 || p_val == 4 || parser.seen_test('J');
   #if ENABLED(HAS_MULTI_HOTEND)
     const uint8_t old_tool_index = active_extruder;
@@ -321,7 +321,7 @@ void unified_bed_leveling::G29() {
 
   // Invalidate one or more nearby mesh points, possibly all.
   if (parser.seen('I')) {
-    int16_t count = parser.has_value() ? parser.value_int() : 1;
+    uint8_t count = parser.has_value() ? parser.value_byte() : 1;
     bool invalidate_all = count >= GRID_MAX_POINTS;
     if (!invalidate_all) {
       while (count--) {
@@ -345,7 +345,7 @@ void unified_bed_leveling::G29() {
   }
 
   if (parser.seen('Q')) {
-    const int test_pattern = parser.has_value() ? parser.value_int() : -99;
+    const int16_t test_pattern = parser.has_value() ? parser.value_int() : -99;
     if (!WITHIN(test_pattern, -1, 2)) {
       SERIAL_ECHOLNPGM("Invalid test_pattern value. (-1 to 2)\n");
       return;
@@ -592,7 +592,7 @@ void unified_bed_leveling::G29() {
   //
 
   if (parser.seen('L')) {     // Load Current Mesh Data
-    param.KLS_storage_slot = parser.has_value() ? parser.value_int() : storage_slot;
+    param.KLS_storage_slot = parser.has_value() ? (int8_t)parser.value_int() : storage_slot;
 
     int16_t a = settings.calc_num_meshes();
 
@@ -617,10 +617,10 @@ void unified_bed_leveling::G29() {
   //
 
   if (parser.seen('S')) {     // Store (or Save) Current Mesh Data
-    param.KLS_storage_slot = parser.has_value() ? parser.value_int() : storage_slot;
+    param.KLS_storage_slot = parser.has_value() ? (int8_t)parser.value_int() : storage_slot;
 
-    if (param.KLS_storage_slot == -1)                     // Special case, the user wants to 'Export' the mesh to the
+    if (param.KLS_storage_slot == -1)               // Special case: 'Export' the mesh to the
-      return report_current_mesh();                 // host program to be saved on the user's computer
+      return report_current_mesh();                 // host so it can be saved in a file.
 
     int16_t a = settings.calc_num_meshes();
 
@@ -673,7 +673,7 @@ void unified_bed_leveling::G29() {
  */
 void unified_bed_leveling::adjust_mesh_to_mean(const bool cflag, const_float_t offset) {
   float sum = 0;
-  int n = 0;
+  uint8_t n = 0;
   GRID_LOOP(x, y)
     if (!isnan(z_values[x][y])) {
       sum += z_values[x][y];
@@ -734,7 +734,7 @@ void unified_bed_leveling::shift_mesh_height() {
     do {
       if (do_ubl_mesh_map) display_map(param.T_map_type);
 
-      const int point_num = (GRID_MAX_POINTS) - count + 1;
+      const uint8_t point_num = (GRID_MAX_POINTS - count) + 1;
       SERIAL_ECHOLNPAIR("Probing mesh point ", point_num, "/", GRID_MAX_POINTS, ".");
       TERN_(HAS_STATUS_MESSAGE, ui.status_printf_P(0, PSTR(S_FMT " %i/%i"), GET_TEXT(MSG_PROBING_MESH), point_num, int(GRID_MAX_POINTS)));
 
@@ -1083,7 +1083,7 @@ bool unified_bed_leveling::G29_parse_parameters() {
   param.R_repetition = 0;
 
   if (parser.seen('R')) {
-    param.R_repetition = parser.has_value() ? parser.value_int() : GRID_MAX_POINTS;
+    param.R_repetition = parser.has_value() ? parser.value_byte() : GRID_MAX_POINTS;
     NOMORE(param.R_repetition, GRID_MAX_POINTS);
     if (param.R_repetition < 1) {
       SERIAL_ECHOLNPGM("?(R)epetition count invalid (1+).\n");
@@ -1091,14 +1091,14 @@ bool unified_bed_leveling::G29_parse_parameters() {
     }
   }
 
-  param.V_verbosity = parser.intval('V');
+  param.V_verbosity = parser.byteval('V');
   if (!WITHIN(param.V_verbosity, 0, 4)) {
     SERIAL_ECHOLNPGM("?(V)erbose level implausible (0-4).\n");
     err_flag = true;
   }
 
   if (parser.seen('P')) {
-    const int pv = parser.value_int();
+    const uint8_t pv = parser.value_byte();
     #if !HAS_BED_PROBE
       if (pv == 1) {
         SERIAL_ECHOLNPGM("G29 P1 requires a probe.\n");
@@ -1181,7 +1181,7 @@ bool unified_bed_leveling::G29_parse_parameters() {
     }
   #endif
 
-  param.T_map_type = parser.intval('T');
+  param.T_map_type = parser.byteval('T');
   if (!WITHIN(param.T_map_type, 0, 2)) {
     SERIAL_ECHOLNPGM("Invalid map type.\n");
     return UBL_ERR;
@@ -1833,7 +1833,7 @@ void unified_bed_leveling::smart_fill_mesh() {
       return;
     }
 
-    param.KLS_storage_slot = parser.value_int();
+    param.KLS_storage_slot = (int8_t)parser.value_int();
 
     float tmp_z_values[GRID_MAX_POINTS_X][GRID_MAX_POINTS_Y];
     settings.load_mesh(param.KLS_storage_slot, &tmp_z_values);

Marlin/src/lcd/menu/menu_ubl.cpp

@@ -176,7 +176,7 @@ void _menu_ubl_height_adjust() {
 void _lcd_ubl_edit_mesh() {
   START_MENU();
   BACK_ITEM(MSG_UBL_TOOLS);
-  GCODES_ITEM(MSG_UBL_FINE_TUNE_ALL, PSTR("G29P4R999T"));
+  GCODES_ITEM(MSG_UBL_FINE_TUNE_ALL, PSTR("G29P4RT"));
   GCODES_ITEM(MSG_UBL_FINE_TUNE_CLOSEST, PSTR("G29P4T"));
   SUBMENU(MSG_UBL_MESH_HEIGHT_ADJUST, _menu_ubl_height_adjust);
   ACTION_ITEM(MSG_INFO_SCREEN, ui.return_to_status);
@@ -594,9 +594,9 @@ void _menu_ubl_tools() {
     GCODES_ITEM(MSG_UBL_1_BUILD_COLD_MESH, PSTR("G29NP1"));
     GCODES_ITEM(MSG_UBL_2_SMART_FILLIN, PSTR("G29P3T0"));
     SUBMENU(MSG_UBL_3_VALIDATE_MESH_MENU, _lcd_ubl_validate_mesh);
-    GCODES_ITEM(MSG_UBL_4_FINE_TUNE_ALL, PSTR("G29P4R999T"));
+    GCODES_ITEM(MSG_UBL_4_FINE_TUNE_ALL, PSTR("G29P4RT"));
     SUBMENU(MSG_UBL_5_VALIDATE_MESH_MENU, _lcd_ubl_validate_mesh);
-    GCODES_ITEM(MSG_UBL_6_FINE_TUNE_ALL, PSTR("G29P4R999T"));
+    GCODES_ITEM(MSG_UBL_6_FINE_TUNE_ALL, PSTR("G29P4RT"));
     ACTION_ITEM(MSG_UBL_7_SAVE_MESH, _lcd_ubl_save_mesh_cmd);
     END_MENU();
   }