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New parameter "single_extruder_multi_material_priming" to be able

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to suppress the MM priming towers.
The PrusaResearch.ini was modified for the MMU2 printers to
correctly prime the initial extruder when
single_extruder_multi_material_priming is disabled.
This commit is contained in:
bubnikv 2018-07-27 22:19:46 +02:00
parent 78a8acfcf1
commit db8ba5fb76
7 changed files with 51 additions and 38 deletions
Download patch file Download diff file Expand all files Collapse all files

61
xs/src/libslic3r/GCode.cpp
View file

@ -608,15 +608,18 @@ void GCode::_do_export(Print &print, FILE *file, GCodePreviewData *preview_data)
if ((initial_extruder_id = tool_ordering.first_extruder()) != (unsigned int)-1)
break;
}
}
else {
} else {
// Find tool ordering for all the objects at once, and the initial extruder ID.
// If the tool ordering has been pre-calculated by Print class for wipe tower already, reuse it.
tool_ordering = print.m_tool_ordering.empty() ?
ToolOrdering(print, initial_extruder_id) :
print.m_tool_ordering;
initial_extruder_id = tool_ordering.first_extruder();
has_wipe_tower = print.has_wipe_tower() && tool_ordering.has_wipe_tower();
initial_extruder_id = (has_wipe_tower && ! print.config.single_extruder_multi_material_priming) ?
// The priming towers will be skipped.
tool_ordering.all_extruders().back() :
// Don't skip the priming towers.
tool_ordering.first_extruder();
}
if (initial_extruder_id == (unsigned int)-1) {
// Nothing to print!
@ -644,6 +647,7 @@ void GCode::_do_export(Print &print, FILE *file, GCodePreviewData *preview_data)
m_placeholder_parser.set("current_object_idx", 0);
// For the start / end G-code to do the priming and final filament pull in case there is no wipe tower provided.
m_placeholder_parser.set("has_wipe_tower", has_wipe_tower);
m_placeholder_parser.set("has_single_extruder_multi_material_priming", has_wipe_tower && print.config.single_extruder_multi_material_priming);
std::string start_gcode = this->placeholder_parser_process("start_gcode", print.config.start_gcode.value, initial_extruder_id);
// Set bed temperature if the start G-code does not contain any bed temp control G-codes.
@ -724,8 +728,11 @@ void GCode::_do_export(Print &print, FILE *file, GCodePreviewData *preview_data)
}
}
// Set initial extruder only after custom start G-code.
_write(file, this->set_extruder(initial_extruder_id));
if (! (has_wipe_tower && print.config.single_extruder_multi_material_priming)) {
// Set initial extruder only after custom start G-code.
// Ugly hack: Do not set the initial extruder if the extruder is primed using the MMU priming towers at the edge of the print bed.
_write(file, this->set_extruder(initial_extruder_id));
}
// Do all objects for each layer.
if (print.config.complete_objects.value) {
@ -803,27 +810,29 @@ void GCode::_do_export(Print &print, FILE *file, GCodePreviewData *preview_data)
if (has_wipe_tower && ! layers_to_print.empty()) {
m_wipe_tower.reset(new WipeTowerIntegration(print.config, *print.m_wipe_tower_priming.get(), print.m_wipe_tower_tool_changes, *print.m_wipe_tower_final_purge.get()));
_write(file, m_writer.travel_to_z(first_layer_height + m_config.z_offset.value, "Move to the first layer height"));
_write(file, m_wipe_tower->prime(*this));
// Verify, whether the print overaps the priming extrusions.
BoundingBoxf bbox_print(get_print_extrusions_extents(print));
coordf_t twolayers_printz = ((layers_to_print.size() == 1) ? layers_to_print.front() : layers_to_print[1]).first + EPSILON;
for (const PrintObject *print_object : printable_objects)
bbox_print.merge(get_print_object_extrusions_extents(*print_object, twolayers_printz));
bbox_print.merge(get_wipe_tower_extrusions_extents(print, twolayers_printz));
BoundingBoxf bbox_prime(get_wipe_tower_priming_extrusions_extents(print));
bbox_prime.offset(0.5f);
// Beep for 500ms, tone 800Hz. Yet better, play some Morse.
_write(file, this->retract());
_write(file, "M300 S800 P500\n");
if (bbox_prime.overlap(bbox_print)) {
// Wait for the user to remove the priming extrusions, otherwise they would
// get covered by the print.
_write(file, "M1 Remove priming towers and click button.\n");
}
else {
// Just wait for a bit to let the user check, that the priming succeeded.
//TODO Add a message explaining what the printer is waiting for. This needs a firmware fix.
_write(file, "M1 S10\n");
if (print.config.single_extruder_multi_material_priming) {
_write(file, m_wipe_tower->prime(*this));
// Verify, whether the print overaps the priming extrusions.
BoundingBoxf bbox_print(get_print_extrusions_extents(print));
coordf_t twolayers_printz = ((layers_to_print.size() == 1) ? layers_to_print.front() : layers_to_print[1]).first + EPSILON;
for (const PrintObject *print_object : printable_objects)
bbox_print.merge(get_print_object_extrusions_extents(*print_object, twolayers_printz));
bbox_print.merge(get_wipe_tower_extrusions_extents(print, twolayers_printz));
BoundingBoxf bbox_prime(get_wipe_tower_priming_extrusions_extents(print));
bbox_prime.offset(0.5f);
// Beep for 500ms, tone 800Hz. Yet better, play some Morse.
_write(file, this->retract());
_write(file, "M300 S800 P500\n");
if (bbox_prime.overlap(bbox_print)) {
// Wait for the user to remove the priming extrusions, otherwise they would
// get covered by the print.
_write(file, "M1 Remove priming towers and click button.\n");
}
else {
// Just wait for a bit to let the user check, that the priming succeeded.
//TODO Add a message explaining what the printer is waiting for. This needs a firmware fix.
_write(file, "M1 S10\n");
}
}
}
// Extrude the layers.