protoboard: add ALio layout by arief ibrahim adha
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jaseg
parent
fb61b4fa12
commit
f674f5d9af
2 changed files with 104 additions and 6 deletions
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@ -77,7 +77,7 @@ class Board:
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for ko in self.keepouts:
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if obj.overlaps(ko, unit=MM):
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if keepout_errors == 'warn':
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warnings.warn(msg)
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warnings.warn(f'Object with bounds {obj.bounding_box(MM)} [mm] hits one or more keepout areas')
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elif keepout_errors == 'raise':
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raise KeepoutError(obj, ko, msg)
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return
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@ -8,9 +8,12 @@ from copy import copy, deepcopy
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import warnings
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import importlib.resources
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from ..utils import MM, rotate_point
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from .primitives import *
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from ..graphic_objects import Region
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from ..apertures import RectangleAperture, CircleAperture
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from ..apertures import RectangleAperture, CircleAperture, ApertureMacroInstance
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from ..aperture_macros.parse import ApertureMacro, VariableExpression
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from ..aperture_macros import primitive as amp
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from .kicad import footprints as kfp
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from . import data as package_data
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@ -530,6 +533,100 @@ class SpikyProto(ObjectGroup):
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return inst
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class AlioCell(ObjectGroup):
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""" Cell primitive for the ALio protoboard designed by arief ibrahim adha and published on hackaday.io at the URL
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below. Similar to electroniceel's spiky protoboard, this layout has small-ish standard THT pads, but in between
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these pads it puts a grid of SMD pads that are designed for easy solder bridging to allow for the construction of
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traces from solder bridging.
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Hackaday.io URL: https://hackaday.io/project/28570/
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"""
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def __init__(self, pitch=None, drill=None, clearance=None, link_pad_width=None, link_trace_width=None, via_size=None, unit=MM):
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super().__init__(0, 0, unit=unit)
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self.pitch = pitch or unit(2.54, MM)
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self.drill = drill or unit(0.9, MM)
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self.clearance = clearance or unit(0.3, MM)
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self.link_pad_width = link_pad_width or unit(1.1, MM)
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self.link_trace_width = link_trace_width or unit(0.5, MM)
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self.via_size = via_size or unit(0.4, MM)
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self.border_x, self.border_y = False, False
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@property
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def single_sided(self):
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return False
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def inst(self, x, y, border_x, border_y):
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inst = copy(self)
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inst.border_x, inst.border_y = border_x, border_y
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return inst
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def bounding_box(self, unit):
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x, y, rotation = self.abs_pos
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# FIXME hack
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return self.unit.convert_bounds_to(unit, ((x-self.pitch/2, y-self.pitch/2), (x+self.pitch/2, y+self.pitch/2)))
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def render(self, layer_stack, cache=None):
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x, y, rotation = self.abs_pos
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def xf(fe):
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fe = copy(fe)
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fe.rotate(rotation)
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fe.offset(x, y, self.unit)
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return fe
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main_ap = RectangleAperture(self.pitch - self.clearance, self.pitch - self.clearance, unit=self.unit).rotated(rotation)
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main_drill = ExcellonTool(self.drill, plated=True, unit=self.unit)
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via_drill = ExcellonTool(self.via_size, plated=True, unit=self.unit)
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var = VariableExpression
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# parameters: [1: total height = pad width, 2: total width, 3: trace width, 4: corner radius, 5: rotation]
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alio_macro = ApertureMacro('ALIO', (
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amp.CenterLine(MM, 1, var(1)-2*var(4), var(1), 0, 0, var(5)),
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amp.CenterLine(MM, 1, var(1), var(1)-2*var(4), 0, 0, var(5)),
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amp.Circle(MM, 1, 2*var(4), -var(1)/2+var(4), -var(1)/2+var(4), var(5)),
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amp.Circle(MM, 1, 2*var(4), -var(1)/2+var(4), var(1)/2-var(4), var(5)),
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amp.Circle(MM, 1, 2*var(4), var(1)/2-var(4), -var(1)/2+var(4), var(5)),
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amp.Circle(MM, 1, 2*var(4), var(1)/2-var(4), var(1)/2-var(4), var(5)),
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amp.CenterLine(MM, 1, var(2), var(3), -var(2)/2 + var(1)/2, 0, var(5)),
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))
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corner_radius = (self.link_pad_width - self.link_trace_width)/3
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alio_clear = ApertureMacroInstance(alio_macro, (self.link_pad_width + 2*self.clearance, # 1
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self.pitch+self.clearance, # 2
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self.link_trace_width + 2*self.clearance, # 3
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corner_radius+self.clearance, # 4
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rotation), unit=MM) # 5
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alio_dark = ApertureMacroInstance(alio_macro, (self.link_pad_width, # 1
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self.pitch-self.clearance, # 2
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self.link_trace_width, # 3
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corner_radius, # 4
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rotation), unit=MM) # 5
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alio_clear_90 = ApertureMacroInstance(alio_macro, (self.link_pad_width + 2*self.clearance, # 1
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self.pitch+self.clearance, # 2
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self.link_trace_width + 2*self.clearance,# 3
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corner_radius+self.clearance, # 4
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rotation+90), unit=MM) # 5
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alio_dark_90 = ApertureMacroInstance(alio_macro, (self.link_pad_width, # 1
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self.pitch-self.clearance, # 2
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self.link_trace_width, # 3
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corner_radius, # 4
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rotation+90), unit=MM) # 5
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# all layers are identical here
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for side, use in (('top', 'copper'), ('top', 'mask'), ('bottom', 'copper'), ('bottom', 'mask')):
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layer_stack[side, use].objects.insert(0, xf(Flash(0, 0, aperture=main_ap, unit=self.unit)))
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if not (self.border_x or self.border_y):
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if side == 'top':
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layer_stack[side, use].objects.append(xf(Flash(self.pitch/2, self.pitch/2, aperture=alio_clear, polarity_dark=False, unit=self.unit)))
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layer_stack[side, use].objects.append(xf(Flash(self.pitch/2, self.pitch/2, aperture=alio_dark, unit=self.unit)))
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else:
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layer_stack[side, use].objects.append(xf(Flash(self.pitch/2, self.pitch/2, aperture=alio_clear_90, polarity_dark=False, unit=self.unit)))
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layer_stack[side, use].objects.append(xf(Flash(self.pitch/2, self.pitch/2, aperture=alio_dark_90, unit=self.unit)))
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layer_stack.drill_pth.append(Flash(x, y, aperture=main_drill, unit=self.unit))
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if not (self.border_x or self.border_y):
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layer_stack.drill_pth.append(xf(Flash(self.pitch/2, self.pitch/2, aperture=via_drill, unit=self.unit)))
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def convert_to_mm(value, unit):
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unitl = unit.lower()
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if unitl == 'mm':
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@ -565,15 +662,16 @@ def _demo():
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#pattern3 = PatternProtoArea(2.54, 1.27, obj=SMDPad.rect(0, 0, 2.3, 1.0, paste=False))
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#pattern3 = EmptyProtoArea(copper_fill=True)
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#stack = TwoSideLayout(pattern2, pattern3)
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pattern2 = PatternProtoArea(2.54, obj=PoweredProto(), margin=1)
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pattern3 = PatternProtoArea(2.54, obj=RFGroundProto())
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stack = PropLayout([pattern2, pattern3], 'h', [0.5, 0.5])
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#pattern2 = PatternProtoArea(2.54, obj=PoweredProto(), margin=1)
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#pattern3 = PatternProtoArea(2.54, obj=RFGroundProto())
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#stack = PropLayout([pattern2, pattern3], 'h', [0.5, 0.5])
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#pattern = PropLayout([pattern1, stack], 'h', [0.5, 0.5])
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#pattern = PatternProtoArea(2.54, obj=ManhattanPads(2.54))
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#pattern = PatternProtoArea(2.54*1.5, obj=THTFlowerProto())
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#pattern = PatternProtoArea(2.54, obj=THTPad.circle(0, 0, 0.9, 1.8, paste=False))
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#pattern = PatternProtoArea(2.54, obj=PoweredProto())
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pb = ProtoBoard(50, 47, stack, mounting_hole_dia=3.2, mounting_hole_offset=5)
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pattern = PatternProtoArea(2.54, obj=AlioCell(), margin=2)
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pb = ProtoBoard(50, 47, pattern, mounting_hole_dia=3.2, mounting_hole_offset=5)
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#pb = ProtoBoard(10, 10, pattern1)
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print(pb.pretty_svg())
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pb.layer_stack().save_to_directory('/tmp/testdir')
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