dfn: Rework for file format 1.0

- Specify assembly type & pad functions - Add package outline polygons
LibrePCB · Nov 15, 2024 · 2d83a39 · 2d83a39
1 parent 2a741f0
commit 2d83a39
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Showing 2 changed files with 1,093 additions and 3 deletions.
diff --git a/generate_dfn.py b/generate_dfn.py
@@ -27,6 +27,7 @@
 SILKSCREEN_OFFSET = 0.15
 SILKSCREEN_LINE_WIDTH = 0.254
 LABEL_OFFSET = 1.0
+COURTYARD_EXCESS = 0.2
 
 MIN_CLEARANCE = 0.20    # For checking only --> warns if violated
 MIN_TRACE = 0.10
@@ -143,12 +144,12 @@ def _uuid(identifier: str) -> str:
         description=Description(full_description),
         keywords=Keywords(full_keywords),
         author=Author(author),
-        version=Version('0.1.2'),
+        version=Version('0.2'),
         created=Created(create_date or now()),
         deprecated=Deprecated(False),
         generated_by=GeneratedBy(''),
         categories=[Category(pkgcat)],
-        assembly_type=AssemblyType.AUTO,
+        assembly_type=AssemblyType.SMT,
     )
 
     # Create pads
@@ -213,7 +214,7 @@ def _generate_footprint(key: str, name: str, pad_extension: float) -> None:
                 stop_mask=StopMaskConfig.AUTO,
                 solder_paste=SolderPasteConfig.AUTO,
                 copper_clearance=CopperClearance(0.0),
-                function=PadFunction.UNSPECIFIED,
+                function=PadFunction.STANDARD_PAD,
                 package_pad=PackagePadUuid(uuid_pads[pad_idx]),
                 holes=[],
             ))
@@ -386,6 +387,32 @@ def _generate_footprint(key: str, name: str, pad_extension: float) -> None:
             Position(silk_circ_x, silk_circ_y),
         ))
 
+        # Package Outline
+        dx = config.width / 2
+        dy = config.length / 2
+        footprint.add_polygon(Polygon(
+            uuid=_uuid('polygon-outline-{}'.format(key)),
+            layer=Layer('top_package_outlines'),
+            width=Width(0),
+            fill=Fill(False),
+            grab_area=GrabArea(False),
+            vertices=[
+                Vertex(Position(-dx, dy), Angle(0)),  # NW
+                Vertex(Position(dx, dy), Angle(0)),  # NE
+                Vertex(Position(dx, -dy), Angle(0)),  # SE
+                Vertex(Position(-dx, -dy), Angle(0)),  # SW
+            ],
+        ))
+
+        # Courtyard
+        footprint.add_polygon(generate_courtyard(
+            uuid=_uuid('polygon-courtyard-{}'.format(key)),
+            max_x=config.width / 2,
+            max_y=config.length / 2,
+            excess_x=COURTYARD_EXCESS,
+            excess_y=COURTYARD_EXCESS,
+        ))
+
         # Add name and value labels
         uuid_text_name = _uuid('text-name-{}'.format(key))
         uuid_text_value = _uuid('text-value-{}'.format(key))
@@ -418,6 +445,13 @@ def _generate_footprint(key: str, name: str, pad_extension: float) -> None:
             value=Value('{{VALUE}}'),
         ))
 
+        # Approvals
+        package.add_approval(
+            "(approved missing_footprint_3d_model\n" +
+            " (footprint {})\n".format(uuid_footprint) +
+            ")"
+        )
+
     # Apply function to available footprints
     _generate_footprint('reflow', 'reflow', 0.0)
     _generate_footprint('hand-soldering', 'hand soldering', 0.3)