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Diffstat (limited to 'Marlin/src/feature/bedlevel/ubl/ubl.cpp')
-rw-r--r-- | Marlin/src/feature/bedlevel/ubl/ubl.cpp | 257 |
1 files changed, 257 insertions, 0 deletions
diff --git a/Marlin/src/feature/bedlevel/ubl/ubl.cpp b/Marlin/src/feature/bedlevel/ubl/ubl.cpp new file mode 100644 index 0000000..b0640e5 --- /dev/null +++ b/Marlin/src/feature/bedlevel/ubl/ubl.cpp @@ -0,0 +1,257 @@ +/** + * Marlin 3D Printer Firmware + * Copyright (c) 2020 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 <https://www.gnu.org/licenses/>. + * + */ + +#include "../../../inc/MarlinConfig.h" + +#if ENABLED(AUTO_BED_LEVELING_UBL) + + #include "../bedlevel.h" + + unified_bed_leveling ubl; + + #include "../../../MarlinCore.h" + #include "../../../gcode/gcode.h" + + #include "../../../module/settings.h" + #include "../../../module/planner.h" + #include "../../../module/motion.h" + #include "../../../module/probe.h" + + #if ENABLED(EXTENSIBLE_UI) + #include "../../../lcd/extui/ui_api.h" + #endif + + #include "math.h" + + void unified_bed_leveling::echo_name() { SERIAL_ECHOPGM("Unified Bed Leveling"); } + + void unified_bed_leveling::report_current_mesh() { + if (!leveling_is_valid()) return; + SERIAL_ECHO_MSG(" G29 I999"); + GRID_LOOP(x, y) + if (!isnan(z_values[x][y])) { + SERIAL_ECHO_START(); + SERIAL_ECHOPAIR(" M421 I", int(x), " J", int(y)); + SERIAL_ECHOLNPAIR_F_P(SP_Z_STR, z_values[x][y], 4); + serial_delay(75); // Prevent Printrun from exploding + } + } + + void unified_bed_leveling::report_state() { + echo_name(); + SERIAL_ECHO_TERNARY(planner.leveling_active, " System v" UBL_VERSION " ", "", "in", "active\n"); + serial_delay(50); + } + + int8_t unified_bed_leveling::storage_slot; + + float unified_bed_leveling::z_values[GRID_MAX_POINTS_X][GRID_MAX_POINTS_Y]; + + #define _GRIDPOS(A,N) (MESH_MIN_##A + N * (MESH_##A##_DIST)) + + const float + unified_bed_leveling::_mesh_index_to_xpos[GRID_MAX_POINTS_X] PROGMEM = ARRAY_N(GRID_MAX_POINTS_X, + _GRIDPOS(X, 0), _GRIDPOS(X, 1), _GRIDPOS(X, 2), _GRIDPOS(X, 3), + _GRIDPOS(X, 4), _GRIDPOS(X, 5), _GRIDPOS(X, 6), _GRIDPOS(X, 7), + _GRIDPOS(X, 8), _GRIDPOS(X, 9), _GRIDPOS(X, 10), _GRIDPOS(X, 11), + _GRIDPOS(X, 12), _GRIDPOS(X, 13), _GRIDPOS(X, 14), _GRIDPOS(X, 15) + ), + unified_bed_leveling::_mesh_index_to_ypos[GRID_MAX_POINTS_Y] PROGMEM = ARRAY_N(GRID_MAX_POINTS_Y, + _GRIDPOS(Y, 0), _GRIDPOS(Y, 1), _GRIDPOS(Y, 2), _GRIDPOS(Y, 3), + _GRIDPOS(Y, 4), _GRIDPOS(Y, 5), _GRIDPOS(Y, 6), _GRIDPOS(Y, 7), + _GRIDPOS(Y, 8), _GRIDPOS(Y, 9), _GRIDPOS(Y, 10), _GRIDPOS(Y, 11), + _GRIDPOS(Y, 12), _GRIDPOS(Y, 13), _GRIDPOS(Y, 14), _GRIDPOS(Y, 15) + ); + + volatile int16_t unified_bed_leveling::encoder_diff; + + unified_bed_leveling::unified_bed_leveling() { reset(); } + + void unified_bed_leveling::reset() { + const bool was_enabled = planner.leveling_active; + set_bed_leveling_enabled(false); + storage_slot = -1; + ZERO(z_values); + #if ENABLED(EXTENSIBLE_UI) + GRID_LOOP(x, y) ExtUI::onMeshUpdate(x, y, 0); + #endif + if (was_enabled) report_current_position(); + } + + void unified_bed_leveling::invalidate() { + set_bed_leveling_enabled(false); + set_all_mesh_points_to_value(NAN); + } + + void unified_bed_leveling::set_all_mesh_points_to_value(const float value) { + GRID_LOOP(x, y) { + z_values[x][y] = value; + TERN_(EXTENSIBLE_UI, ExtUI::onMeshUpdate(x, y, value)); + } + } + + #if ENABLED(OPTIMIZED_MESH_STORAGE) + + constexpr float mesh_store_scaling = 1000; + constexpr int16_t Z_STEPS_NAN = INT16_MAX; + + void unified_bed_leveling::set_store_from_mesh(const bed_mesh_t &in_values, mesh_store_t &stored_values) { + auto z_to_store = [](const float &z) { + if (isnan(z)) return Z_STEPS_NAN; + const int32_t z_scaled = TRUNC(z * mesh_store_scaling); + if (z_scaled == Z_STEPS_NAN || !WITHIN(z_scaled, INT16_MIN, INT16_MAX)) + return Z_STEPS_NAN; // If Z is out of range, return our custom 'NaN' + return int16_t(z_scaled); + }; + GRID_LOOP(x, y) stored_values[x][y] = z_to_store(in_values[x][y]); + } + + void unified_bed_leveling::set_mesh_from_store(const mesh_store_t &stored_values, bed_mesh_t &out_values) { + auto store_to_z = [](const int16_t z_scaled) { + return z_scaled == Z_STEPS_NAN ? NAN : z_scaled / mesh_store_scaling; + }; + GRID_LOOP(x, y) out_values[x][y] = store_to_z(stored_values[x][y]); + } + + #endif // OPTIMIZED_MESH_STORAGE + + static void serial_echo_xy(const uint8_t sp, const int16_t x, const int16_t y) { + SERIAL_ECHO_SP(sp); + SERIAL_CHAR('('); + if (x < 100) { SERIAL_CHAR(' '); if (x < 10) SERIAL_CHAR(' '); } + SERIAL_ECHO(x); + SERIAL_CHAR(','); + if (y < 100) { SERIAL_CHAR(' '); if (y < 10) SERIAL_CHAR(' '); } + SERIAL_ECHO(y); + SERIAL_CHAR(')'); + serial_delay(5); + } + + static void serial_echo_column_labels(const uint8_t sp) { + SERIAL_ECHO_SP(7); + LOOP_L_N(i, GRID_MAX_POINTS_X) { + if (i < 10) SERIAL_CHAR(' '); + SERIAL_ECHO((int)i); + SERIAL_ECHO_SP(sp); + } + serial_delay(10); + } + + /** + * Produce one of these mesh maps: + * 0: Human-readable + * 1: CSV format for spreadsheet import + * 2: TODO: Display on Graphical LCD + * 4: Compact Human-Readable + */ + void unified_bed_leveling::display_map(const int map_type) { + const bool was = gcode.set_autoreport_paused(true); + + constexpr uint8_t eachsp = 1 + 6 + 1, // [-3.567] + twixt = eachsp * (GRID_MAX_POINTS_X) - 9 * 2; // Leading 4sp, Coordinates 9sp each + + const bool human = !(map_type & 0x3), csv = map_type == 1, lcd = map_type == 2, comp = map_type & 0x4; + + SERIAL_ECHOPGM("\nBed Topography Report"); + if (human) { + SERIAL_ECHOLNPGM(":\n"); + serial_echo_xy(4, MESH_MIN_X, MESH_MAX_Y); + serial_echo_xy(twixt, MESH_MAX_X, MESH_MAX_Y); + SERIAL_EOL(); + serial_echo_column_labels(eachsp - 2); + } + else { + SERIAL_ECHOPGM(" for "); + serialprintPGM(csv ? PSTR("CSV:\n") : PSTR("LCD:\n")); + } + + // Add XY probe offset from extruder because probe.probe_at_point() subtracts them when + // moving to the XY position to be measured. This ensures better agreement between + // the current Z position after G28 and the mesh values. + const xy_int8_t curr = closest_indexes(xy_pos_t(current_position) + probe.offset_xy); + + if (!lcd) SERIAL_EOL(); + for (int8_t j = GRID_MAX_POINTS_Y - 1; j >= 0; j--) { + + // Row Label (J index) + if (human) { + if (j < 10) SERIAL_CHAR(' '); + SERIAL_ECHO(j); + SERIAL_ECHOPGM(" |"); + } + + // Row Values (I indexes) + LOOP_L_N(i, GRID_MAX_POINTS_X) { + + // Opening Brace or Space + const bool is_current = i == curr.x && j == curr.y; + if (human) SERIAL_CHAR(is_current ? '[' : ' '); + + // Z Value at current I, J + const float f = z_values[i][j]; + if (lcd) { + // TODO: Display on Graphical LCD + } + else if (isnan(f)) + serialprintPGM(human ? PSTR(" . ") : PSTR("NAN")); + else if (human || csv) { + if (human && f >= 0.0) SERIAL_CHAR(f > 0 ? '+' : ' '); // Space for positive ('-' for negative) + SERIAL_ECHO_F(f, 3); // Positive: 5 digits, Negative: 6 digits + } + if (csv && i < GRID_MAX_POINTS_X - 1) SERIAL_CHAR('\t'); + + // Closing Brace or Space + if (human) SERIAL_CHAR(is_current ? ']' : ' '); + + SERIAL_FLUSHTX(); + idle_no_sleep(); + } + if (!lcd) SERIAL_EOL(); + + // A blank line between rows (unless compact) + if (j && human && !comp) SERIAL_ECHOLNPGM(" |"); + } + + if (human) { + serial_echo_column_labels(eachsp - 2); + SERIAL_EOL(); + serial_echo_xy(4, MESH_MIN_X, MESH_MIN_Y); + serial_echo_xy(twixt, MESH_MAX_X, MESH_MIN_Y); + SERIAL_EOL(); + SERIAL_EOL(); + } + + gcode.set_autoreport_paused(was); + } + + bool unified_bed_leveling::sanity_check() { + uint8_t error_flag = 0; + + if (settings.calc_num_meshes() < 1) { + SERIAL_ECHOLNPGM("?Mesh too big for EEPROM."); + error_flag++; + } + + return !!error_flag; + } + +#endif // AUTO_BED_LEVELING_UBL |