Consolidate "bedlevel" code

Marlin/src/feature/bedlevel/bedlevel.h

@@ -0,0 +1,72 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef __BEDLEVEL_H__
+#define __BEDLEVEL_H__
+
+#include "../../inc/MarlinConfig.h"
+
+#if ENABLED(MESH_BED_LEVELING)
+  #include "mbl/mesh_bed_leveling.h"
+#elif ENABLED(AUTO_BED_LEVELING_UBL)
+  #include "ubl/ubl.h"
+#elif HAS_ABL
+  #include "abl/abl.h"
+#endif
+
+#if ENABLED(PROBE_MANUALLY)
+  extern bool g29_in_progress;
+#else
+  constexpr bool g29_in_progress = false;
+#endif
+
+bool leveling_is_valid();
+bool leveling_is_active();
+void set_bed_leveling_enabled(const bool enable=true);
+void reset_bed_level();
+
+#if ENABLED(ENABLE_LEVELING_FADE_HEIGHT)
+  void set_z_fade_height(const float zfh);
+#endif
+
+#if ENABLED(AUTO_BED_LEVELING_BILINEAR) || ENABLED(MESH_BED_LEVELING)
+
+  #include <stdint.h>
+
+  typedef float (*element_2d_fn)(const uint8_t, const uint8_t);
+
+  /**
+   * Print calibration results for plotting or manual frame adjustment.
+   */
+  void print_2d_array(const uint8_t sx, const uint8_t sy, const uint8_t precision, element_2d_fn fn);
+
+#endif
+
+#if ENABLED(MESH_BED_LEVELING) || ENABLED(PROBE_MANUALLY)
+  void _manual_goto_xy(const float &x, const float &y);
+#endif
+
+#if HAS_PROBING_PROCEDURE
+  void out_of_range_error(const char* p_edge);
+#endif
+
+#endif // __BEDLEVEL_H__