Method load_mesh

Marlin/src/module/settings.cpp:3181–3235

    }

    void MarlinSettings::load_mesh(const int8_t slot, void * const into/*=nullptr*/) {

      #if ENABLED(AUTO_BED_LEVELING_UBL)

        const int16_t a = settings.calc_num_meshes();

        if (!WITHIN(slot, 0, a - 1)) {
          ubl_invalid_slot(a);
          return;
        }

        int pos = mesh_slot_offset(slot);
        uint16_t crc = 0;
        #if ENABLED(OPTIMIZED_MESH_STORAGE)
          int16_t z_mesh_store[GRID_MAX_POINTS_X][GRID_MAX_POINTS_Y];
          uint8_t * const dest = (uint8_t*)&z_mesh_store;
        #else
          uint8_t * const dest = into ? (uint8_t*)into : (uint8_t*)&bedlevel.z_values;
        #endif

        persistentStore.access_start();
        uint16_t status = persistentStore.read_data(pos, dest, MESH_STORE_SIZE, &crc);
        persistentStore.access_finish();

        #if ENABLED(OPTIMIZED_MESH_STORAGE)
          if (into) {
            float z_values[GRID_MAX_POINTS_X][GRID_MAX_POINTS_Y];
            bedlevel.set_mesh_from_store(z_mesh_store, z_values);
            memcpy(into, z_values, sizeof(z_values));
          }
          else
            bedlevel.set_mesh_from_store(z_mesh_store, bedlevel.z_values);
        #endif

        #if ENABLED(DWIN_LCD_PROUI)
          status = !bedLevelTools.meshValidate();
          if (status) {
            bedlevel.invalidate();
            LCD_MESSAGE(MSG_UBL_MESH_INVALID);
          }
          else
            ui.status_printf(0, GET_TEXT_F(MSG_MESH_LOADED), bedlevel.storage_slot);
        #endif

        if (status) SERIAL_ECHOLNPGM("?Unable to load mesh data.");
        else        DEBUG_ECHOLNPGM("Mesh loaded from slot ", slot);

        EEPROM_FINISH();

      #else

        // Other mesh types

      #endif
    }

    //void MarlinSettings::delete_mesh() { return; }
    //void MarlinSettings::defrag_meshes() { return; }