diff options
| -rw-r--r-- | gerbonara/cad/protoboard.py | 52 |
1 files changed, 49 insertions, 3 deletions
diff --git a/gerbonara/cad/protoboard.py b/gerbonara/cad/protoboard.py index 6ae8914..9eaabed 100644 --- a/gerbonara/cad/protoboard.py +++ b/gerbonara/cad/protoboard.py @@ -171,7 +171,7 @@ class PatternProtoArea: for i in range(n_x): for j in range(n_y): if hasattr(self.obj, 'inst'): - inst = self.obj.inst(i, j) + inst = self.obj.inst(i, j, i == n_x-1, j == n_y-1) else: inst = copy(self.obj) @@ -229,6 +229,51 @@ class ManhattanPads(ObjectGroup): self.top_mask = self.top_copper +class RFGroundProto(ObjectGroup): + def __init__(self, pitch=None, drill=None, clearance=None, via_dia=None, via_drill=None, pad_dia=None, trace_width=None, unit=MM): + super().__init__(0, 0) + self.unit = unit + self.pitch = pitch = pitch or unit(2.54, MM) + self.drill = drill = drill or unit(0.9, MM) + self.clearance = clearance = clearance or unit(0.3, MM) + self.via_drill = via_drill = via_drill or unit(0.4, MM) + self.via_dia = via_dia = via_dia or unit(0.8, MM) + + if pad_dia is None: + self.trace_width = trace_width = trace_width or unit(0.3, MM) + pad_dia = pitch - trace_width - 2*clearance + elif trace_width is None: + trace_width = pitch - pad_dia - 2*clearance + self.pad_dia = pad_dia + + via_ap = RectangleAperture(via_dia, via_dia, rotation=math.pi/4, unit=unit) + pad_ap = CircleAperture(pad_dia, unit=unit) + pad_neg_ap = CircleAperture(pad_dia+2*clearance, unit=unit) + ground_ap = RectangleAperture(pitch + unit(0.01, MM), pitch + unit(0.01, MM), unit=unit) + pad_drill = ExcellonTool(drill, plated=True, unit=unit) + via_drill = ExcellonTool(via_drill, plated=True, unit=unit) + + self.top_copper.append(Flash(0, 0, aperture=ground_ap, unit=unit)) + self.top_copper.append(Flash(0, 0, aperture=pad_neg_ap, polarity_dark=False, unit=unit)) + self.top_copper.append(Flash(0, 0, aperture=pad_ap, unit=unit)) + self.top_mask.append(Flash(0, 0, aperture=pad_ap, unit=unit)) + self.top_copper.append(Flash(pitch/2, pitch/2, aperture=via_ap, unit=unit)) + self.top_mask.append(Flash(pitch/2, pitch/2, aperture=via_ap, unit=unit)) + self.drill_pth.append(Flash(0, 0, aperture=pad_drill, unit=unit)) + self.drill_pth.append(Flash(pitch/2, pitch/2, aperture=via_drill, unit=unit)) + + self.bottom_copper = self.top_copper + self.bottom_mask = self.top_mask + + def inst(self, x, y, border_x, border_y): + inst = copy(self) + if border_x or border_y: + inst.drill_pth = inst.drill_pth[:-1] + inst.top_copper = inst.bottom_copper = inst.top_copper[:-1] + inst.top_mask = inst.bottom_mask = inst.top_mask[:-1] + return inst + + class PoweredProto(ObjectGroup): def __init__(self, pitch=None, drill=None, clearance=None, power_pad_dia=None, via_size=None, trace_width=None, unit=MM): super().__init__(0, 0) @@ -270,7 +315,7 @@ class PoweredProto(ObjectGroup): self.bottom_copper.append(Line(-pitch/2, -pitch/2, pitch/2, -pitch/2, aperture=self.line_ap, unit=unit)) self.bottom_copper.append(Line(-pitch/2, pitch/2, pitch/2, pitch/2, aperture=self.line_ap, unit=unit)) - def inst(self, x, y): + def inst(self, x, y, border_x, border_y): inst = copy(self) if (x + y) % 2 == 0: inst.drill_pth = inst.drill_pth[:-1] @@ -331,7 +376,8 @@ def _demo(): #stack = TwoSideLayout(pattern2, pattern3) #layout = PropLayout([pattern1, stack], 'h', [0.5, 0.5]) #pattern = PatternProtoArea(2.54, obj=ManhattanPads(2.54)) - pattern = PatternProtoArea(2.54, obj=PoweredProto()) + #pattern = PatternProtoArea(2.54, obj=PoweredProto()) + pattern = PatternProtoArea(2.54, obj=RFGroundProto()) pb = ProtoBoard(100, 80, pattern, mounting_hole_dia=3.2, mounting_hole_offset=5) print(pb.pretty_svg()) pb.layer_stack().save_to_directory('/tmp/testdir') |