518 lines
16 KiB
C++
518 lines
16 KiB
C++
#include "GCodeWriter.hpp"
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#include "CustomGCode.hpp"
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#include <algorithm>
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#include <iomanip>
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#include <iostream>
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#include <map>
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#include <assert.h>
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#define FLAVOR_IS(val) this->config.gcode_flavor == val
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#define FLAVOR_IS_NOT(val) this->config.gcode_flavor != val
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#define COMMENT(comment) if (this->config.gcode_comments && !comment.empty()) gcode << " ; " << comment;
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#define PRECISION(val, precision) std::fixed << std::setprecision(precision) << val
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#define XYZF_NUM(val) PRECISION(val, 3)
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#define E_NUM(val) PRECISION(val, 5)
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namespace Slic3r {
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void GCodeWriter::apply_print_config(const PrintConfig &print_config)
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{
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this->config.apply(print_config, true);
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m_extrusion_axis = this->config.get_extrusion_axis();
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m_single_extruder_multi_material = print_config.single_extruder_multi_material.value;
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m_max_acceleration = std::lrint((print_config.gcode_flavor.value == gcfMarlin) ?
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print_config.machine_max_acceleration_extruding.values.front() : 0);
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}
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void GCodeWriter::set_extruders(std::vector<unsigned int> extruder_ids)
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{
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std::sort(extruder_ids.begin(), extruder_ids.end());
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m_extruders.clear();
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m_extruders.reserve(extruder_ids.size());
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for (unsigned int extruder_id : extruder_ids)
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m_extruders.emplace_back(Extruder(extruder_id, &this->config));
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/* we enable support for multiple extruder if any extruder greater than 0 is used
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(even if prints only uses that one) since we need to output Tx commands
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first extruder has index 0 */
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this->multiple_extruders = (*std::max_element(extruder_ids.begin(), extruder_ids.end())) > 0;
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}
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std::string GCodeWriter::preamble()
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{
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std::ostringstream gcode;
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if (FLAVOR_IS_NOT(gcfMakerWare)) {
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gcode << "G21 ; set units to millimeters\n";
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gcode << "G90 ; use absolute coordinates\n";
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}
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if (FLAVOR_IS(gcfRepRap) || FLAVOR_IS(gcfMarlin) || FLAVOR_IS(gcfTeacup) || FLAVOR_IS(gcfRepetier) || FLAVOR_IS(gcfSmoothie)) {
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if (this->config.use_relative_e_distances) {
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gcode << "M83 ; use relative distances for extrusion\n";
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} else {
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gcode << "M82 ; use absolute distances for extrusion\n";
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}
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gcode << this->reset_e(true);
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}
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return gcode.str();
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}
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std::string GCodeWriter::postamble() const
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{
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std::ostringstream gcode;
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if (FLAVOR_IS(gcfMachinekit))
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gcode << "M2 ; end of program\n";
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return gcode.str();
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}
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std::string GCodeWriter::set_temperature(unsigned int temperature, bool wait, int tool) const
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{
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if (wait && (FLAVOR_IS(gcfMakerWare) || FLAVOR_IS(gcfSailfish)))
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return "";
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std::string code, comment;
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if (wait && FLAVOR_IS_NOT(gcfTeacup)) {
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code = "M109";
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comment = "set temperature and wait for it to be reached";
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} else {
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code = "M104";
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comment = "set temperature";
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}
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std::ostringstream gcode;
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gcode << code << " ";
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if (FLAVOR_IS(gcfMach3) || FLAVOR_IS(gcfMachinekit)) {
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gcode << "P";
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} else {
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gcode << "S";
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}
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gcode << temperature;
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if (tool != -1 &&
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( (this->multiple_extruders && ! m_single_extruder_multi_material) ||
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FLAVOR_IS(gcfMakerWare) || FLAVOR_IS(gcfSailfish)) ) {
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gcode << " T" << tool;
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}
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gcode << " ; " << comment << "\n";
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if (FLAVOR_IS(gcfTeacup) && wait)
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gcode << "M116 ; wait for temperature to be reached\n";
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return gcode.str();
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}
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std::string GCodeWriter::set_bed_temperature(unsigned int temperature, bool wait)
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{
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if (temperature == m_last_bed_temperature && (! wait || m_last_bed_temperature_reached))
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return std::string();
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m_last_bed_temperature = temperature;
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m_last_bed_temperature_reached = wait;
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std::string code, comment;
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if (wait && FLAVOR_IS_NOT(gcfTeacup)) {
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if (FLAVOR_IS(gcfMakerWare) || FLAVOR_IS(gcfSailfish)) {
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code = "M109";
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} else {
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code = "M190";
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}
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comment = "set bed temperature and wait for it to be reached";
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} else {
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code = "M140";
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comment = "set bed temperature";
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}
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std::ostringstream gcode;
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gcode << code << " ";
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if (FLAVOR_IS(gcfMach3) || FLAVOR_IS(gcfMachinekit)) {
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gcode << "P";
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} else {
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gcode << "S";
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}
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gcode << temperature << " ; " << comment << "\n";
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if (FLAVOR_IS(gcfTeacup) && wait)
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gcode << "M116 ; wait for bed temperature to be reached\n";
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return gcode.str();
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}
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std::string GCodeWriter::set_fan(unsigned int speed, bool dont_save)
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{
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std::ostringstream gcode;
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if (m_last_fan_speed != speed || dont_save) {
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if (!dont_save) m_last_fan_speed = speed;
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if (speed == 0) {
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if (FLAVOR_IS(gcfTeacup)) {
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gcode << "M106 S0";
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} else if (FLAVOR_IS(gcfMakerWare) || FLAVOR_IS(gcfSailfish)) {
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gcode << "M127";
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} else {
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gcode << "M107";
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}
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if (this->config.gcode_comments) gcode << " ; disable fan";
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gcode << "\n";
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} else {
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if (FLAVOR_IS(gcfMakerWare) || FLAVOR_IS(gcfSailfish)) {
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gcode << "M126";
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} else {
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gcode << "M106 ";
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if (FLAVOR_IS(gcfMach3) || FLAVOR_IS(gcfMachinekit)) {
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gcode << "P";
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} else {
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gcode << "S";
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}
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gcode << (255.0 * speed / 100.0);
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}
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if (this->config.gcode_comments) gcode << " ; enable fan";
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gcode << "\n";
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}
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}
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return gcode.str();
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}
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std::string GCodeWriter::set_acceleration(unsigned int acceleration)
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{
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// Clamp the acceleration to the allowed maximum.
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if (m_max_acceleration > 0 && acceleration > m_max_acceleration)
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acceleration = m_max_acceleration;
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if (acceleration == 0 || acceleration == m_last_acceleration)
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return std::string();
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m_last_acceleration = acceleration;
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std::ostringstream gcode;
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if (FLAVOR_IS(gcfRepetier)) {
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// M201: Set max printing acceleration
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gcode << "M201 X" << acceleration << " Y" << acceleration;
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if (this->config.gcode_comments) gcode << " ; adjust acceleration";
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gcode << "\n";
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// M202: Set max travel acceleration
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gcode << "M202 X" << acceleration << " Y" << acceleration;
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} else {
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// M204: Set default acceleration
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gcode << "M204 S" << acceleration;
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}
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if (this->config.gcode_comments) gcode << " ; adjust acceleration";
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gcode << "\n";
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return gcode.str();
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}
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std::string GCodeWriter::reset_e(bool force)
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{
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if (FLAVOR_IS(gcfMach3)
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|| FLAVOR_IS(gcfMakerWare)
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|| FLAVOR_IS(gcfSailfish))
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return "";
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if (m_extruder != nullptr) {
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if (m_extruder->E() == 0. && ! force)
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return "";
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m_extruder->reset_E();
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}
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if (! m_extrusion_axis.empty() && ! this->config.use_relative_e_distances) {
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std::ostringstream gcode;
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gcode << "G92 " << m_extrusion_axis << "0";
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if (this->config.gcode_comments) gcode << " ; reset extrusion distance";
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gcode << "\n";
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return gcode.str();
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} else {
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return "";
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}
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}
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std::string GCodeWriter::update_progress(unsigned int num, unsigned int tot, bool allow_100) const
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{
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if (FLAVOR_IS_NOT(gcfMakerWare) && FLAVOR_IS_NOT(gcfSailfish))
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return "";
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unsigned int percent = (unsigned int)floor(100.0 * num / tot + 0.5);
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if (!allow_100) percent = std::min(percent, (unsigned int)99);
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std::ostringstream gcode;
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gcode << "M73 P" << percent;
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if (this->config.gcode_comments) gcode << " ; update progress";
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gcode << "\n";
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return gcode.str();
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}
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std::string GCodeWriter::toolchange_prefix() const
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{
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return FLAVOR_IS(gcfMakerWare) ? "M135 T" :
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FLAVOR_IS(gcfSailfish) ? "M108 T" : "T";
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}
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std::string GCodeWriter::toolchange(unsigned int extruder_id)
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{
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// set the new extruder
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auto it_extruder = Slic3r::lower_bound_by_predicate(m_extruders.begin(), m_extruders.end(), [extruder_id](const Extruder &e) { return e.id() < extruder_id; });
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assert(it_extruder != m_extruders.end() && it_extruder->id() == extruder_id);
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m_extruder = &*it_extruder;
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// return the toolchange command
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// if we are running a single-extruder setup, just set the extruder and return nothing
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std::ostringstream gcode;
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if (this->multiple_extruders) {
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gcode << this->toolchange_prefix() << extruder_id;
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if (this->config.gcode_comments)
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gcode << " ; change extruder";
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gcode << "\n";
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gcode << this->reset_e(true);
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}
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return gcode.str();
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}
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std::string GCodeWriter::set_speed(double F, const std::string &comment, const std::string &cooling_marker) const
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{
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assert(F > 0.);
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assert(F < 100000.);
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std::ostringstream gcode;
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gcode << "G1 F" << XYZF_NUM(F);
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COMMENT(comment);
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gcode << cooling_marker;
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gcode << "\n";
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return gcode.str();
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}
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std::string GCodeWriter::travel_to_xy(const Vec2d &point, const std::string &comment)
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{
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m_pos(0) = point(0);
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m_pos(1) = point(1);
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std::ostringstream gcode;
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gcode << "G1 X" << XYZF_NUM(point(0))
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<< " Y" << XYZF_NUM(point(1))
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<< " F" << XYZF_NUM(this->config.travel_speed.value * 60.0);
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COMMENT(comment);
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gcode << "\n";
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return gcode.str();
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}
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std::string GCodeWriter::travel_to_xyz(const Vec3d &point, const std::string &comment)
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{
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/* If target Z is lower than current Z but higher than nominal Z we
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don't perform the Z move but we only move in the XY plane and
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adjust the nominal Z by reducing the lift amount that will be
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used for unlift. */
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if (!this->will_move_z(point(2))) {
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double nominal_z = m_pos(2) - m_lifted;
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m_lifted -= (point(2) - nominal_z);
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// In case that retract_lift == layer_height we could end up with almost zero in_m_lifted
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// and a retract could be skipped (https://github.com/prusa3d/PrusaSlicer/issues/2154
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if (std::abs(m_lifted) < EPSILON)
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m_lifted = 0.;
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return this->travel_to_xy(to_2d(point));
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}
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/* In all the other cases, we perform an actual XYZ move and cancel
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the lift. */
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m_lifted = 0;
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m_pos = point;
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std::ostringstream gcode;
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gcode << "G1 X" << XYZF_NUM(point(0))
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<< " Y" << XYZF_NUM(point(1))
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<< " Z" << XYZF_NUM(point(2))
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<< " F" << XYZF_NUM(this->config.travel_speed.value * 60.0);
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COMMENT(comment);
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gcode << "\n";
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return gcode.str();
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}
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std::string GCodeWriter::travel_to_z(double z, const std::string &comment)
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{
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/* If target Z is lower than current Z but higher than nominal Z
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we don't perform the move but we only adjust the nominal Z by
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reducing the lift amount that will be used for unlift. */
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if (!this->will_move_z(z)) {
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double nominal_z = m_pos(2) - m_lifted;
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m_lifted -= (z - nominal_z);
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if (std::abs(m_lifted) < EPSILON)
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m_lifted = 0.;
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return "";
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}
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/* In all the other cases, we perform an actual Z move and cancel
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the lift. */
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m_lifted = 0;
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return this->_travel_to_z(z, comment);
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}
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std::string GCodeWriter::_travel_to_z(double z, const std::string &comment)
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{
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m_pos(2) = z;
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std::ostringstream gcode;
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gcode << "G1 Z" << XYZF_NUM(z)
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<< " F" << XYZF_NUM(this->config.travel_speed.value * 60.0);
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COMMENT(comment);
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gcode << "\n";
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return gcode.str();
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}
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bool GCodeWriter::will_move_z(double z) const
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{
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/* If target Z is lower than current Z but higher than nominal Z
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we don't perform an actual Z move. */
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if (m_lifted > 0) {
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double nominal_z = m_pos(2) - m_lifted;
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if (z >= nominal_z && z <= m_pos(2))
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return false;
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}
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return true;
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}
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std::string GCodeWriter::extrude_to_xy(const Vec2d &point, double dE, const std::string &comment)
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{
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m_pos(0) = point(0);
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m_pos(1) = point(1);
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m_extruder->extrude(dE);
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std::ostringstream gcode;
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gcode << "G1 X" << XYZF_NUM(point(0))
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<< " Y" << XYZF_NUM(point(1))
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<< " " << m_extrusion_axis << E_NUM(m_extruder->E());
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COMMENT(comment);
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gcode << "\n";
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return gcode.str();
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}
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std::string GCodeWriter::extrude_to_xyz(const Vec3d &point, double dE, const std::string &comment)
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{
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m_pos = point;
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m_lifted = 0;
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m_extruder->extrude(dE);
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std::ostringstream gcode;
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gcode << "G1 X" << XYZF_NUM(point(0))
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<< " Y" << XYZF_NUM(point(1))
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<< " Z" << XYZF_NUM(point(2))
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<< " " << m_extrusion_axis << E_NUM(m_extruder->E());
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COMMENT(comment);
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gcode << "\n";
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return gcode.str();
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}
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std::string GCodeWriter::retract(bool before_wipe)
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{
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double factor = before_wipe ? m_extruder->retract_before_wipe() : 1.;
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assert(factor >= 0. && factor <= 1. + EPSILON);
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return this->_retract(
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factor * m_extruder->retract_length(),
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factor * m_extruder->retract_restart_extra(),
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"retract"
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);
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}
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std::string GCodeWriter::retract_for_toolchange(bool before_wipe)
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{
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double factor = before_wipe ? m_extruder->retract_before_wipe() : 1.;
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assert(factor >= 0. && factor <= 1. + EPSILON);
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return this->_retract(
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factor * m_extruder->retract_length_toolchange(),
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factor * m_extruder->retract_restart_extra_toolchange(),
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"retract for toolchange"
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);
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}
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std::string GCodeWriter::_retract(double length, double restart_extra, const std::string &comment)
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{
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std::ostringstream gcode;
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/* If firmware retraction is enabled, we use a fake value of 1
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since we ignore the actual configured retract_length which
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might be 0, in which case the retraction logic gets skipped. */
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if (this->config.use_firmware_retraction) length = 1;
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// If we use volumetric E values we turn lengths into volumes */
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if (this->config.use_volumetric_e) {
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double d = m_extruder->filament_diameter();
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double area = d * d * PI/4;
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length = length * area;
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restart_extra = restart_extra * area;
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}
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double dE = m_extruder->retract(length, restart_extra);
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if (dE != 0) {
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if (this->config.use_firmware_retraction) {
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if (FLAVOR_IS(gcfMachinekit))
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gcode << "G22 ; retract\n";
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else
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gcode << "G10 ; retract\n";
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} else {
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gcode << "G1 " << m_extrusion_axis << E_NUM(m_extruder->E())
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<< " F" << float(m_extruder->retract_speed() * 60.);
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COMMENT(comment);
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gcode << "\n";
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}
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}
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if (FLAVOR_IS(gcfMakerWare))
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gcode << "M103 ; extruder off\n";
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return gcode.str();
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}
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std::string GCodeWriter::unretract()
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{
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std::ostringstream gcode;
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if (FLAVOR_IS(gcfMakerWare))
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gcode << "M101 ; extruder on\n";
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double dE = m_extruder->unretract();
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if (dE != 0) {
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if (this->config.use_firmware_retraction) {
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if (FLAVOR_IS(gcfMachinekit))
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gcode << "G23 ; unretract\n";
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else
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gcode << "G11 ; unretract\n";
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gcode << this->reset_e();
|
|
} else {
|
|
// use G1 instead of G0 because G0 will blend the restart with the previous travel move
|
|
gcode << "G1 " << m_extrusion_axis << E_NUM(m_extruder->E())
|
|
<< " F" << float(m_extruder->deretract_speed() * 60.);
|
|
if (this->config.gcode_comments) gcode << " ; unretract";
|
|
gcode << "\n";
|
|
}
|
|
}
|
|
|
|
return gcode.str();
|
|
}
|
|
|
|
/* If this method is called more than once before calling unlift(),
|
|
it will not perform subsequent lifts, even if Z was raised manually
|
|
(i.e. with travel_to_z()) and thus _lifted was reduced. */
|
|
std::string GCodeWriter::lift()
|
|
{
|
|
// check whether the above/below conditions are met
|
|
double target_lift = 0;
|
|
{
|
|
double above = this->config.retract_lift_above.get_at(m_extruder->id());
|
|
double below = this->config.retract_lift_below.get_at(m_extruder->id());
|
|
if (m_pos(2) >= above && (below == 0 || m_pos(2) <= below))
|
|
target_lift = this->config.retract_lift.get_at(m_extruder->id());
|
|
}
|
|
if (m_lifted == 0 && target_lift > 0) {
|
|
m_lifted = target_lift;
|
|
return this->_travel_to_z(m_pos(2) + target_lift, "lift Z");
|
|
}
|
|
return "";
|
|
}
|
|
|
|
std::string GCodeWriter::unlift()
|
|
{
|
|
std::string gcode;
|
|
if (m_lifted > 0) {
|
|
gcode += this->_travel_to_z(m_pos(2) - m_lifted, "restore layer Z");
|
|
m_lifted = 0;
|
|
}
|
|
return gcode;
|
|
}
|
|
|
|
}
|