support for pressure driven pneumatic dispensers as extruders

Zip-o-mat · Oct 20, 2020 · 86cb9ef · 86cb9ef
1 parent c8f0bd3
commit 86cb9ef
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Showing 4 changed files with 91 additions and 1 deletion.
diff --git a/lib/Slic3r/GUI/PresetEditor.pm b/lib/Slic3r/GUI/PresetEditor.pm
@@ -1257,6 +1257,7 @@ sub options {
         use_volumetric_e
         start_gcode end_gcode before_layer_gcode layer_gcode toolchange_gcode between_objects_gcode
         nozzle_diameter extruder_offset min_layer_height max_layer_height
+        pneumatic_extruder pneumatic_extrusion_preamble pneumatic_extrusion_postamble
         retract_length retract_lift retract_speed retract_restart_extra retract_before_travel retract_layer_change wipe
         retract_length_toolchange retract_restart_extra_toolchange retract_lift_above retract_lift_below
         printer_settings_id
@@ -1501,7 +1502,7 @@ sub _extruders_count_changed {
     $self->_update;
 }
 
-sub _extruder_options { qw(nozzle_diameter min_layer_height max_layer_height extruder_offset retract_length retract_lift retract_lift_above retract_lift_below retract_speed retract_restart_extra retract_before_travel wipe
+sub _extruder_options { qw(nozzle_diameter min_layer_height max_layer_height extruder_offset pneumatic_extruder pneumatic_extrusion_preamble pneumatic_extrusion_postamble retract_length retract_lift retract_lift_above retract_lift_below retract_speed retract_restart_extra retract_before_travel wipe
     retract_layer_change retract_length_toolchange retract_restart_extra_toolchange) }
 
 sub _build_extruder_pages {
@@ -1539,6 +1540,10 @@ sub _build_extruder_pages {
             my $optgroup = $page->new_optgroup('Position (for multi-extruder printers)');
             $optgroup->append_single_option_line('extruder_offset', $extruder_idx);
         }
+        {
+            my $optgroup = $page->new_optgroup('Extruder type');
+            $optgroup->append_single_option_line('pneumatic_extruder', $extruder_idx);
+        }
         {
             my $optgroup = $page->new_optgroup('Retraction');
             $optgroup->append_single_option_line($_, $extruder_idx)
@@ -1561,6 +1566,17 @@ sub _build_extruder_pages {
             $optgroup->append_single_option_line($_, $extruder_idx)
                 for qw(retract_length_toolchange retract_restart_extra_toolchange);
         }
+        {
+            my $optgroup = $page->new_optgroup('Pneumatic extruder settings');
+            my $preamble_option = $optgroup->get_option('pneumatic_extrusion_preamble', $extruder_idx);
+            $preamble_option->full_width(1);
+            $preamble_option->height(150);
+            $optgroup->append_single_option_line($preamble_option);
+            my $postamble_option = $optgroup->get_option('pneumatic_extrusion_postamble', $extruder_idx);
+            $postamble_option->full_width(1);
+            $postamble_option->height(150);
+            $optgroup->append_single_option_line($postamble_option);
+        }
     }
 
     # remove extra pages
@@ -1663,6 +1679,14 @@ sub _update {
         my $toolchange_retraction = $config->get_at('retract_length_toolchange', $i) > 0;
         $self->get_field('retract_restart_extra_toolchange', $i)->toggle
             ($have_multiple_extruders && $toolchange_retraction);
+
+        # This must happen at the end to overwrite previous toggles
+        my $have_pneumatic_extruder = $config->get_at('pneumatic_extruder', $i);
+        $self->get_field($_, $i)->toggle(!$have_pneumatic_extruder)
+            for qw(retract_length retract_lift retract_lift_above retract_lift_below retract_speed retract_restart_extra retract_before_travel wipe
+            retract_layer_change retract_length_toolchange retract_restart_extra_toolchange);
+        $self->get_field($_, $i)->toggle($have_pneumatic_extruder)
+            for qw(pneumatic_extrusion_preamble pneumatic_extrusion_postamble);
     }
 }
 

diff --git a/xs/src/libslic3r/GCode.cpp b/xs/src/libslic3r/GCode.cpp
@@ -683,6 +683,14 @@ GCode::_extrude(ExtrusionPath path, std::string description, double speed)
     if (path.role == erExternalPerimeter) comment += ";_EXTERNAL_PERIMETER";
     gcode += this->writer.set_speed(F, "", this->enable_cooling_markers ? comment : "");
     double path_length = 0;
+
+    // start pneumatic extrusion
+    if(EXTRUDER_CONFIG(pneumatic_extruder)) {
+        gcode += EXTRUDER_CONFIG(pneumatic_extrusion_preamble);
+        if(gcode.back() != '\n') gcode += "\n";
+    }
+
+
     {
         std::string comment = this->config.gcode_comments ? description : "";
         Lines lines = path.polyline.lines();
@@ -697,6 +705,13 @@ GCode::_extrude(ExtrusionPath path, std::string description, double speed)
             );
         }
     }
+
+    // end pneumatic extrusion
+    if(EXTRUDER_CONFIG(pneumatic_extruder)) {
+        gcode += EXTRUDER_CONFIG(pneumatic_extrusion_postamble);
+        if(gcode.back() != '\n') gcode += "\n";
+    }
+
     if (this->wipe.enable) {
         this->wipe.path = path.polyline;
         this->wipe.path.reverse();
@@ -802,6 +817,10 @@ GCode::retract(bool toolchange)
 
     if (this->writer.extruder() == NULL)
         return gcode;
+
+    // air pressure extruder, no retraction possible
+    if(EXTRUDER_CONFIG(pneumatic_extruder))
+       return gcode;
 
     // wipe (if it's enabled for this extruder and we have a stored wipe path)
     if (EXTRUDER_CONFIG(wipe) && this->wipe.has_path()) {
@@ -825,6 +844,11 @@ std::string
 GCode::unretract()
 {
     std::string gcode;
+
+    // air pressure extruder, no unretraction possible
+    if(EXTRUDER_CONFIG(pneumatic_extruder))
+        return gcode;
+
     gcode += this->writer.unlift();
     gcode += this->writer.unretract();
     return gcode;

diff --git a/xs/src/libslic3r/PrintConfig.cpp b/xs/src/libslic3r/PrintConfig.cpp
@@ -1114,6 +1114,42 @@ PrintConfigDef::PrintConfigDef()
     def->min = 0;
     def->default_value = new ConfigOptionInt(3);
 
+    def = this->add("pneumatic_extruder", coBools);
+    def->label = "Pressure driven extruder";
+    def->tooltip = "Is this a standard filament or air pressure driven extruder?";
+    def->cli = "pneumatic_extruder!";
+    {
+        ConfigOptionBools* opt = new ConfigOptionBools();
+        opt->values.push_back(false);
+        def->default_value = opt;
+   }
+
+    def = this->add("pneumatic_extrusion_preamble", coStrings);
+    def->label = "Extrusion preamble";
+    def->tooltip = "This will be injected before every pressure driven extrusion line. Open valve, set pressure, wait, etc...";
+    def->multiline = true;
+    def->full_width = true;
+    def->height = 120;
+    def->cli = "pneumatic_extrusion_preamble=s@";
+    {
+        ConfigOptionStrings* opt = new ConfigOptionStrings();
+        opt->values.push_back(";Extrusion Preamble\nM400  ;  Sync printer queue\nM42 P2 S255  ; open pressure nozzle\nG4 P110  ;  wait for material flow");
+        def->default_value = opt;
+    }
+
+    def = this->add("pneumatic_extrusion_postamble", coStrings);
+    def->label = "Extrusion postamble";
+    def->tooltip = "This will be injected after every pressure driven extrusion line. Close valve, set pressure, wait, etc...";
+    def->multiline = true;
+    def->full_width = true;
+    def->height = 120;
+    def->cli = "pneumatic_extrusion_postamble=s@";
+    {
+        ConfigOptionStrings* opt = new ConfigOptionStrings();
+        opt->values.push_back(";Extrusion Postamble\nM400  ;  Sync printer queue\nM42 P2 S0  ; close pressure nozzle");
+        def->default_value = opt;
+    }
+
     def = this->add("post_process", coStrings);
     def->label = "Post-processing scripts";
     def->tooltip = "If you want to process the output G-code through custom scripts, just list their absolute paths here. Separate multiple scripts on individual lines. Scripts will be passed the absolute path to the G-code file as the first argument, and they can access the Slic3r config settings by reading environment variables.";

diff --git a/xs/src/libslic3r/PrintConfig.hpp b/xs/src/libslic3r/PrintConfig.hpp
@@ -365,6 +365,9 @@ class GCodeConfig : public virtual StaticPrintConfig
     ConfigOptionFloat               max_print_speed;
     ConfigOptionFloat               max_volumetric_speed;
     ConfigOptionString              notes;
+    ConfigOptionBools               pneumatic_extruder;
+    ConfigOptionStrings             pneumatic_extrusion_preamble;
+    ConfigOptionStrings             pneumatic_extrusion_postamble;
     ConfigOptionFloat               pressure_advance;
     ConfigOptionString              printer_notes;
     ConfigOptionFloats              retract_length;
@@ -406,6 +409,9 @@ class GCodeConfig : public virtual StaticPrintConfig
         OPT_PTR(max_print_speed);
         OPT_PTR(max_volumetric_speed);
         OPT_PTR(notes);
+        OPT_PTR(pneumatic_extruder);
+        OPT_PTR(pneumatic_extrusion_preamble);
+        OPT_PTR(pneumatic_extrusion_postamble);
         OPT_PTR(pressure_advance);
         OPT_PTR(printer_notes);
         OPT_PTR(retract_length);