Acceleration control. #185

README.markdown

@@ -153,6 +153,17 @@ The author of the Silk icon set is Mark James.
         --first-layer-speed Speed of print moves for bottom layer, expressed either as an absolute
                             value or as a percentage over normal speeds (default: 30%)
         
+      Acceleration options:
+        --perimeter-acceleration
+                            Overrides firmware's default acceleration for perimeters. (mm/s^2, set zero
+                            to disable; default: 0)
+        --infill-acceleration
+                            Overrides firmware's default acceleration for infill. (mm/s^2, set zero
+                            to disable; default: 0)
+        --default-acceleration
+                            Acceleration will be reset to this value after the specific settings above
+                            have been applied. (mm/s^2, set zero to disable; default: 130)
+        
       Accuracy options:
         --layer-height      Layer height in mm (default: 0.4)
         --first-layer-height Layer height for first layer (mm or %, default: 100%)

lib/Slic3r/Config.pm

@@ -6,7 +6,7 @@ use utf8;
 use List::Util qw(first);
 
 # cemetery of old config settings
-our @Ignore = qw(duplicate_x duplicate_y multiply_x multiply_y support_material_tool);
+our @Ignore = qw(duplicate_x duplicate_y multiply_x multiply_y support_material_tool acceleration);
 
 my $serialize_comma     = sub { join ',', @{$_[0]} };
 my $deserialize_comma   = sub { [ split /,/, $_[0] ] };
@@ -319,25 +319,29 @@ our $Options = {
     },
     
     # acceleration options
-    'acceleration' => {
+    'default_acceleration' => {
-        label   => 'Enable acceleration control',
+        label   => 'Default',
-        cli     => 'acceleration!',
+        tooltip => 'This is the acceleration your printer will be reset to after the role-specific acceleration values are used (perimeter/infill). Set zero to prevent resetting acceleration at all.',
-        type    => 'bool',
+        sidetext => 'mm/s²',
+        cli     => 'default-acceleration',
+        type    => 'f',
         default => 0,
     },
     'perimeter_acceleration' => {
         label   => 'Perimeters',
+        tooltip => 'This is the acceleration your printer will use for perimeters. A high value like 9000 usually gives good results if your hardware is up to the job. Set zero to disable acceleration control for perimeters.',
         sidetext => 'mm/s²',
         cli     => 'perimeter-acceleration',
         type    => 'f',
-        default => 25,
+        default => 0,
     },
     'infill_acceleration' => {
         label   => 'Infill',
+        tooltip => 'This is the acceleration your printer will use for infill. Set zero to disable acceleration control for infill.',
         sidetext => 'mm/s²',
         cli     => 'infill-acceleration',
         type    => 'f',
-        default => 50,
+        default => 0,
     },
     
     # accuracy options

lib/Slic3r/GCode.pm

@@ -323,9 +323,9 @@ sub reset_e {
 sub set_acceleration {
     my $self = shift;
     my ($acceleration) = @_;
-    return "" unless $Slic3r::Config->acceleration;
+    return "" if !$acceleration;
     
-    return sprintf "M201 E%s%s\n",
+    return sprintf "M204 S%s%s\n",
         $acceleration, ($Slic3r::Config->gcode_comments ? ' ; adjust acceleration' : '');
 }
 

lib/Slic3r/GUI/Tab.pm

@@ -430,6 +430,10 @@ sub build {
             title => 'Modifiers',
             options => [qw(first_layer_speed)],
         },
+        {
+            title => 'Acceleration control (advanced)',
+            options => [qw(perimeter_acceleration infill_acceleration default_acceleration)],
+        },
     ]);
     
     $self->add_options_page('Skirt and brim', 'box.png', optgroups => [

lib/Slic3r/Print.pm

@@ -748,7 +748,6 @@ sub write_gcode {
             $gcodegen->set_shift(@shift);
             $gcode .= $gcodegen->set_extruder($self->extruders->[0]);  # move_z requires extruder
             $gcode .= $gcodegen->move_z($gcodegen->layer->print_z);
-            $gcode .= $gcodegen->set_acceleration($Slic3r::Config->perimeter_acceleration);
             # skip skirt if we have a large brim
             if ($layer_id < $Slic3r::Config->skirt_height) {
                 # distribute skirt loops across all extruders
@@ -807,7 +806,10 @@ sub write_gcode {
                 # extrude perimeters
                 if (@{ $layerm->perimeters }) {
                     $gcode .= $gcodegen->set_extruder($region->extruders->{perimeter});
+                    $gcode .= $gcodegen->set_acceleration($Slic3r::Config->perimeter_acceleration);
                     $gcode .= $gcodegen->extrude($_, 'perimeter') for @{ $layerm->perimeters };
+                    $gcode .= $gcodegen->set_acceleration($Slic3r::Config->default_acceleration)
+                        if $Slic3r::Config->perimeter_acceleration;
                 }
                 
                 # extrude fills
@@ -822,6 +824,8 @@ sub write_gcode {
                             $gcode .= $gcodegen->extrude($fill, 'fill') ;
                         }
                     }
+                    $gcode .= $gcodegen->set_acceleration($Slic3r::Config->default_acceleration)
+                        if $Slic3r::Config->infill_acceleration;
                 }
             }
         }

slic3r.pl

@@ -201,6 +201,17 @@ $j
     --first-layer-speed Speed of print moves for bottom layer, expressed either as an absolute
                         value or as a percentage over normal speeds (default: $config->{first_layer_speed})
     
+  Acceleration options:
+    --perimeter-acceleration
+                        Overrides firmware's default acceleration for perimeters. (mm/s^2, set zero
+                        to disable; default: $config->{perimeter_acceleration})
+    --infill-acceleration
+                        Overrides firmware's default acceleration for infill. (mm/s^2, set zero
+                        to disable; default: $config->{infill_acceleration})
+    --default-acceleration
+                        Acceleration will be reset to this value after the specific settings above
+                        have been applied. (mm/s^2, set zero to disable; default: $config->{travel_speed})
+    
   Accuracy options:
     --layer-height      Layer height in mm (default: $config->{layer_height})
     --first-layer-height Layer height for first layer (mm or %, default: $config->{first_layer_height})