ENH: add firmware retract for 3rd printers

1. Add firmware retract for 3rd printers. Use G10,G11

Github: #2319,#969

Signed-off-by: xun.zhang <xun.zhang@bambulab.com>
Change-Id: If3a3d591c249a4323a08045f3cc86ffb3e477d0e

src/libslic3r/GCode.cpp

@@ -4671,7 +4671,7 @@ std::string GCode::retract(bool toolchange, bool is_last_retraction, LiftType li
 
     gcode += m_writer.reset_e();
     //BBS
-    if (m_writer.extruder()->retraction_length() > 0) {
+    if (m_writer.extruder()->retraction_length() > 0||m_config.use_firmware_retraction) {
         // BBS: force to use normal lift for spiral vase mode
         gcode += m_writer.lift(lift_type, m_spiral_vase != nullptr);
     }

src/libslic3r/GCodeWriter.cpp

@@ -625,14 +625,22 @@ std::string GCodeWriter::retract_for_toolchange(bool before_wipe)
 std::string GCodeWriter::_retract(double length, double restart_extra, const std::string &comment)
 {
     std::string gcode;
+    if (config.use_firmware_retraction)
+        length = 1;
     if (double dE = m_extruder->retract(length, restart_extra);  dE != 0) {
-        //BBS
-        GCodeG1Formatter w;
-        w.emit_e(m_extruder->E());
-        w.emit_f(m_extruder->retract_speed() * 60.);
-        //BBS
-        w.emit_comment(GCodeWriter::full_gcode_comment, comment);
-        gcode = w.string();
+        //add firmware retraction
+        if (config.use_firmware_retraction) {
+            gcode = FLAVOR_IS(gcfMachinekit) ? "G22 ;retract" : "G10 ;retract \n";
+        }
+        else {
+            //BBS
+            GCodeG1Formatter w;
+            w.emit_e(m_extruder->E());
+            w.emit_f(m_extruder->retract_speed() * 60.);
+            //BBS
+            w.emit_comment(GCodeWriter::full_gcode_comment, comment);
+            gcode = w.string();
+        }
     }
     
     if (FLAVOR_IS(gcfMakerWare))
@@ -649,14 +657,20 @@ std::string GCodeWriter::unretract()
         gcode = "M101 ; extruder on\n";
     
     if (double dE = m_extruder->unretract(); dE != 0) {
-        //BBS
-        // use G1 instead of G0 because G0 will blend the restart with the previous travel move
-        GCodeG1Formatter w;
-        w.emit_e(m_extruder->E());
-        w.emit_f(m_extruder->deretract_speed() * 60.);
-        //BBS
-        w.emit_comment(GCodeWriter::full_gcode_comment, " ; unretract");
-        gcode += w.string();
+        if (config.use_firmware_retraction) {
+            gcode += FLAVOR_IS(gcfMachinekit) ? "G23 ;unretract \n" : "G11 ;unretract \n";
+            gcode += reset_e();
+        }
+        else {
+            //BBS
+            // use G1 instead of G0 because G0 will blend the restart with the previous travel move
+            GCodeG1Formatter w;
+            w.emit_e(m_extruder->E());
+            w.emit_f(m_extruder->deretract_speed() * 60.);
+            //BBS
+            w.emit_comment(GCodeWriter::full_gcode_comment, " ; unretract");
+            gcode += w.string();
+        }
     }
     
     return gcode;

src/libslic3r/Preset.cpp

@@ -882,7 +882,7 @@ static std::vector<std::string> s_Preset_printer_options {
     "print_host_webui",
     "printhost_cafile","printhost_port","printhost_authorization_type",
     "printhost_user", "printhost_password", "printhost_ssl_ignore_revoke",
-    "use_relative_e_distances", "extruder_type"
+    "use_relative_e_distances", "extruder_type","use_firmware_retraction"
 };
 
 static std::vector<std::string> s_Preset_sla_print_options {

src/libslic3r/Print.cpp

@@ -171,7 +171,8 @@ bool Print::invalidate_state_by_config_options(const ConfigOptionResolver & /* n
         "use_relative_e_distances",
         "activate_air_filtration",
         "during_print_exhaust_fan_speed",
-        "complete_print_exhaust_fan_speed"
+        "complete_print_exhaust_fan_speed",
+        "use_firmware_retraction"
     };
 
     static std::unordered_set<std::string> steps_ignore;

src/libslic3r/PrintConfig.cpp

@@ -3378,6 +3378,12 @@ void PrintConfigDef::init_fff_params()
     def->mode = comAdvanced;
     def->set_default_value(new ConfigOptionBool(true));
 
+    def = this->add("use_firmware_retraction",coBool);
+    def->label = L("Use firmware retraction");
+    def->tooltip = L("Convert the retraction moves to G10 and G11 gcode");
+    def->mode = comAdvanced;
+    def->set_default_value(new ConfigOptionBool(false));
+
     def = this->add("wipe", coBools);
     def->label = L("Wipe while retracting");
     def->tooltip = L("Move nozzle along the last extrusion path when retracting to clean leaked material on nozzle. "
@@ -4881,6 +4887,24 @@ std::map<std::string, std::string> validate(const FullPrintConfig &cfg, bool und
         error_message.emplace("bottom_shell_layers", L("invalid value ") + std::to_string(cfg.bottom_shell_layers));
     }
 
+    std::set<GCodeFlavor>with_firmware_retraction_flavor = {
+        gcfSmoothie,
+        gcfRepRapSprinter,
+        gcfRepRapFirmware,
+        gcfMarlinLegacy,
+        gcfMarlinFirmware,
+        gcfMachinekit,
+        gcfRepetier,
+        gcfKlipper
+    };
+    if (cfg.use_firmware_retraction.value && with_firmware_retraction_flavor.count(cfg.gcode_flavor.value)==0)
+        error_message.emplace("gcode_flavor",L("--use-firmware-retraction is only supported by Marlin, Klipper, Smoothie, RepRapFirmware, Repetier and Machinekit firmware"));
+
+    if (cfg.use_firmware_retraction.value)
+        for (unsigned char wipe : cfg.wipe.values)
+            if (wipe)
+                error_message.emplace("wipe",L("--use-firmware-retraction is not compatible with --wipe"));
+
     // --gcode-flavor
     if (! print_config_def.get("gcode_flavor")->has_enum_value(cfg.gcode_flavor.serialize())) {
         error_message.emplace("gcode_flavor", L("invalid value ") + cfg.gcode_flavor.serialize());

src/libslic3r/PrintConfig.hpp

@@ -908,6 +908,7 @@ PRINT_CONFIG_CLASS_DEFINE(
     ((ConfigOptionFloat,               travel_speed))
     ((ConfigOptionFloat,               travel_speed_z))
     ((ConfigOptionBool,                use_relative_e_distances))
+    ((ConfigOptionBool,                use_firmware_retraction))
     ((ConfigOptionBool,                silent_mode))
     ((ConfigOptionString,              machine_pause_gcode))
     ((ConfigOptionString,              template_custom_gcode))