Implements a nozzle cleaning pattern generator (G12)
João Brázio
9 years ago
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/*
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* Marlin 3D Printer Firmware
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* Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
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*
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* Based on Sprinter and grbl.
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* Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef __CLEAN_NOZZLE_H__
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#define __CLEAN_NOZZLE_H__
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#include "Marlin.h"
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#include "point_t.h"
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/**
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* @brief CleanNozzle class
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*
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* @todo: Do not ignore the end.z value and allow XYZ movements
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* @todo: Currently this feature needs AUTO_BED_LEVELING_FEATURE to be active
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* due to the do_blocking_move_to*() functions.
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*/
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class CleanNozzle {
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private:
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/**
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* @brief Stroke clean pattern
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* @details Wipes the nozzle back and forth in a linear movement
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*
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* @param start point_t defining the starting point
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* @param end point_t defining the ending point
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* @param strokes number of strokes to execute
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*/
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static void stroke(point_t const &start, point_t const &end, uint8_t const &strokes)
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__attribute__ ((optimize ("Os"))) {
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// Move to the starting point
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do_blocking_move_to_xy(start.x, start.y);
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do_blocking_move_to_z(start.z);
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// Start the stroke pattern
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for (uint8_t i = 0; i < (strokes >>1); i++) {
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do_blocking_move_to_xy(end.x, end.y);
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do_blocking_move_to_xy(start.x, start.y);
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}
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}
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/**
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* @brief Zig-zag clean pattern
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* @details Apply a zig-zag cleanning pattern
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*
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* @param start point_t defining the starting point
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* @param end point_t defining the ending point
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* @param triangles number of triangles to execute
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*/
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static void zigzag(point_t const &start, point_t const &end, uint8_t const &triangles)
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__attribute__ ((optimize ("Os"))) {
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// Move to the starting point
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do_blocking_move_to_xy(start.x, start.y);
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do_blocking_move_to_z(start.z);
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// Calculate the triangle side
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float const a = fabs(end.x - start.x) / triangles;
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// Don't allow the sides (a, b) to be smaller than 5mm
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if (a < 5 || fabs(end.y - start.y) < 5) return;
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// Start the zig-zag pattern
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for (uint8_t i = 0; i < triangles; i++) {
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float const x = start.x + (a * (i + 1));
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do_blocking_move_to_xy(x, end.y);
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do_blocking_move_to_y(start.y);
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}
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}
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public:
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/**
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* @brief Clean the nozzle
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* @details Starts the selected clean procedure pattern
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*
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* @param pattern one of the available patterns
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* @param argument depends on the cleaning pattern
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*/
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static void start(uint8_t const &pattern, uint8_t const &argument)
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__attribute__ ((optimize ("Os"))) {
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switch (pattern) {
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case 1:
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CleanNozzle::zigzag(
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CLEAN_NOZZLE_START_PT,
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CLEAN_NOZZLE_END_PT, argument);
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break;
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default:
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CleanNozzle::stroke(
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CLEAN_NOZZLE_START_PT,
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CLEAN_NOZZLE_END_PT, argument);
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}
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}
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};
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#endif
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@ -0,0 +1,33 @@
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/**
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* Marlin 3D Printer Firmware
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* Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
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*
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* Based on Sprinter and grbl.
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* Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef __POINT_T__
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#define __POINT_T__
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struct point_t {
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float x;
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float y;
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float z;
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float e;
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};
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#endif
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