diff options
Diffstat (limited to 'Marlin/src/gcode/bedlevel/G35.cpp')
| -rw-r--r-- | Marlin/src/gcode/bedlevel/G35.cpp | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/Marlin/src/gcode/bedlevel/G35.cpp b/Marlin/src/gcode/bedlevel/G35.cpp new file mode 100644 index 0000000..46f75f2 --- /dev/null +++ b/Marlin/src/gcode/bedlevel/G35.cpp @@ -0,0 +1,167 @@ +/** + * 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(ASSISTED_TRAMMING) + +#include "../gcode.h" +#include "../../module/planner.h" +#include "../../module/probe.h" +#include "../../feature/bedlevel/bedlevel.h" + +#if HAS_MULTI_HOTEND + #include "../../module/tool_change.h" +#endif + +#define DEBUG_OUT ENABLED(DEBUG_LEVELING_FEATURE) +#include "../../core/debug_out.h" + +// +// Define tramming point names. +// + +#include "../../feature/tramming.h" + +/** + * G35: Read bed corners to help adjust bed screws + * + * S<screw_thread> + * + * Screw thread: 30 - Clockwise M3 + * 31 - Counter-Clockwise M3 + * 40 - Clockwise M4 + * 41 - Counter-Clockwise M4 + * 50 - Clockwise M5 + * 51 - Counter-Clockwise M5 + **/ +void GcodeSuite::G35() { + DEBUG_SECTION(log_G35, "G35", DEBUGGING(LEVELING)); + + if (DEBUGGING(LEVELING)) log_machine_info(); + + float z_measured[G35_PROBE_COUNT] = { 0 }; + + const uint8_t screw_thread = parser.byteval('S', TRAMMING_SCREW_THREAD); + if (!WITHIN(screw_thread, 30, 51) || screw_thread % 10 > 1) { + SERIAL_ECHOLNPGM("?(S)crew thread must be 30, 31, 40, 41, 50, or 51."); + return; + } + + // Wait for planner moves to finish! + planner.synchronize(); + + // Disable the leveling matrix before auto-aligning + #if HAS_LEVELING + TERN_(RESTORE_LEVELING_AFTER_G35, const bool leveling_was_active = planner.leveling_active); + set_bed_leveling_enabled(false); + #endif + + #if ENABLED(CNC_WORKSPACE_PLANES) + workspace_plane = PLANE_XY; + #endif + + // Always home with tool 0 active + #if HAS_MULTI_HOTEND + const uint8_t old_tool_index = active_extruder; + tool_change(0, true); + #endif + + // Disable duplication mode on homing + TERN_(HAS_DUPLICATION_MODE, set_duplication_enabled(false)); + + // Home all before this procedure + home_all_axes(); + + bool err_break = false; + + // Probe all positions + LOOP_L_N(i, G35_PROBE_COUNT) { + + // In BLTOUCH HS mode, the probe travels in a deployed state. + // Users of G35 might have a badly misaligned bed, so raise Z by the + // length of the deployed pin (BLTOUCH stroke < 7mm) + do_blocking_move_to_z((Z_CLEARANCE_BETWEEN_PROBES) + TERN0(BLTOUCH_HS_MODE, 7)); + const float z_probed_height = probe.probe_at_point(screws_tilt_adjust_pos[i], PROBE_PT_RAISE, 0, true); + + if (isnan(z_probed_height)) { + SERIAL_ECHOPAIR("G35 failed at point ", int(i), " ("); + SERIAL_ECHOPGM_P((char *)pgm_read_ptr(&tramming_point_name[i])); + SERIAL_CHAR(')'); + SERIAL_ECHOLNPAIR_P(SP_X_STR, screws_tilt_adjust_pos[i].x, SP_Y_STR, screws_tilt_adjust_pos[i].y); + err_break = true; + break; + } + + if (DEBUGGING(LEVELING)) { + DEBUG_ECHOPAIR("Probing point ", int(i), " ("); + DEBUG_PRINT_P((char *)pgm_read_ptr(&tramming_point_name[i])); + DEBUG_CHAR(')'); + DEBUG_ECHOLNPAIR_P(SP_X_STR, screws_tilt_adjust_pos[i].x, SP_Y_STR, screws_tilt_adjust_pos[i].y, SP_Z_STR, z_probed_height); + } + + z_measured[i] = z_probed_height; + } + + if (!err_break) { + const float threads_factor[] = { 0.5, 0.7, 0.8 }; + + // Calculate adjusts + LOOP_S_L_N(i, 1, G35_PROBE_COUNT) { + const float diff = z_measured[0] - z_measured[i], + adjust = abs(diff) < 0.001f ? 0 : diff / threads_factor[(screw_thread - 30) / 10]; + + const int full_turns = trunc(adjust); + const float decimal_part = adjust - float(full_turns); + const int minutes = trunc(decimal_part * 60.0f); + + SERIAL_ECHOPGM("Turn "); + SERIAL_ECHOPGM_P((char *)pgm_read_ptr(&tramming_point_name[i])); + SERIAL_ECHOPAIR(" ", (screw_thread & 1) == (adjust > 0) ? "CCW" : "CW", " by ", abs(full_turns), " turns"); + if (minutes) SERIAL_ECHOPAIR(" and ", abs(minutes), " minutes"); + if (ENABLED(REPORT_TRAMMING_MM)) SERIAL_ECHOPAIR(" (", -diff, "mm)"); + SERIAL_EOL(); + } + } + else + SERIAL_ECHOLNPGM("G35 aborted."); + + // Restore the active tool after homing + #if HAS_MULTI_HOTEND + tool_change(old_tool_index, DISABLED(PARKING_EXTRUDER)); // Fetch previous toolhead if not PARKING_EXTRUDER + #endif + + #if BOTH(HAS_LEVELING, RESTORE_LEVELING_AFTER_G35) + set_bed_leveling_enabled(leveling_was_active); + #endif + + // Stow the probe, as the last call to probe.probe_at_point(...) left + // the probe deployed if it was successful. + probe.stow(); + + move_to_tramming_wait_pos(); + + // After this operation the Z position needs correction + set_axis_never_homed(Z_AXIS); +} + +#endif // ASSISTED_TRAMMING |