import sys
import re
import math
import string
import itertools
from copy import copy, deepcopy
import warnings
import importlib.resources
from ..utils import MM, rotate_point
from .primitives import *
from ..graphic_objects import Region
from ..apertures import RectangleAperture, CircleAperture, ApertureMacroInstance
from ..aperture_macros.parse import ApertureMacro, VariableExpression
from ..aperture_macros import primitive as amp
from .kicad import footprints as kfp
from . import data as package_data
class ProtoBoard(Board):
def __init__(self, w, h, content, margin=None, corner_radius=None, mounting_hole_dia=None, mounting_hole_offset=None, unit=MM):
corner_radius = corner_radius or unit(1.5, MM)
super().__init__(w, h, corner_radius, unit=unit)
self.margin = margin or unit(2, MM)
self.content = content
if mounting_hole_dia:
mounting_hole_offset = mounting_hole_offset or mounting_hole_dia*2
ko = mounting_hole_offset*2
self.add(Hole(mounting_hole_offset, mounting_hole_offset, mounting_hole_dia, unit=unit))
self.add(Hole(w-mounting_hole_offset, mounting_hole_offset, mounting_hole_dia, unit=unit))
self.add(Hole(mounting_hole_offset, h-mounting_hole_offset, mounting_hole_dia, unit=unit))
self.add(Hole(w-mounting_hole_offset, h-mounting_hole_offset, mounting_hole_dia, unit=unit))
self.keepouts.append(((0, 0), (ko, ko)))
self.keepouts.append(((w-ko, 0), (w, ko)))
self.keepouts.append(((0, h-ko), (ko, h)))
self.keepouts.append(((w-ko, h-ko), (w, h)))
self.generate()
def generate(self, unit=MM):
bbox = ((self.margin, self.margin), (self.w-self.margin, self.h-self.margin))
bbox = unit.convert_bounds_from(self.unit, bbox)
for obj in self.content.generate(bbox, (True, True, True, True), unit):
self.add(obj, keepout_errors='skip')
class PropLayout:
def __init__(self, content, direction, proportions):
self.content = list(content)
if direction not in ('h', 'v'):
raise ValueError('direction must be one of "h", or "v".')
self.direction = direction
self.proportions = list(proportions)
if len(content) != len(proportions):
raise ValueError('proportions and content must have same length')
def generate(self, bbox, border_text, unit=MM):
for i, (bbox, child) in enumerate(self.layout_2d(bbox, unit)):
first = bool(i == 0)
last = bool(i == len(self.content)-1)
yield from child.generate(bbox, (
border_text[0] and (last or self.direction == 'h'),
border_text[1] and (last or self.direction == 'v'),
border_text[2] and (first or self.direction == 'h'),
border_text[3] and (first or self.direction == 'v'),
), unit)
def fit_size(self, w, h, unit=MM):
widths = []
heights = []
for ((x_min, y_min), (x_max, y_max)), child in self.layout_2d(((0, 0), (w, h)), unit):
if not isinstance(child, EmptyProtoArea):
widths.append(x_max - x_min)
heights.append(y_max - y_min)
if self.direction == 'h':
return sum(widths), max(heights, default=0)
else:
return max(widths, default=0), sum(heights)
def layout_2d(self, bbox, unit=MM):
(x, y), (w, h) = bbox
w, h = w-x, h-y
actual_l = 0
target_l = 0
for l, child in zip(self.layout(w if self.direction == 'h' else h, unit), self.content):
this_x, this_y = x, y
this_w, this_h = w, h
target_l += l
if self.direction == 'h':
this_w = target_l - actual_l
else:
this_h = target_l - actual_l
this_w, this_h = child.fit_size(this_w, this_h, unit)
if self.direction == 'h':
x += this_w
actual_l += this_w
this_h = h
else:
y += this_h
actual_l += this_h
this_w = w
yield ((this_x, this_y), (this_x+this_w, this_y+this_h)), child
def layout(self, length, unit=MM):
out = [ eval_value(value, MM(length, unit)) for value in self.proportions ]
total_length = sum(value for value in out if value is not None)
if length - total_length < -1e-6:
raise ValueError(f'Proportions sum to {total_length} mm, which is greater than the available space of {length} mm.')
leftover = length - total_length
sum_props = sum( (value or 1.0) for value in self.proportions if not isinstance(value, str) )
return [ unit(leftover * (value or 1.0) / sum_props if not isinstance(value, str) else calculated, MM)
for value, calculated in zip(self.proportions, out) ]
@property
def single_sided(self):
return all(elem.single_sided for elem in self.content)
def __str__(self):
children = ', '.join( f'{elem}:{width}' for elem, width in zip(self.content, self.proportions))
return f'PropLayout[{self.direction.upper()}]({children})'
class TwoSideLayout:
def __init__(self, top, bottom):
self.top, self.bottom = top, bottom
if not top.single_sided or not bottom.single_sided:
warnings.warn('Two-sided pattern used on one side of a TwoSideLayout')
def fit_size(self, w, h, unit=MM):
w1, h1 = self.top.fit_size(w, h, unit)
w2, h2 = self.bottom.fit_size(w, h, unit)
if isinstance(self.top, EmptyProtoArea):
if isinstance(self.bottom, EmptyProtoArea):
return w1, h1
return w2, h2
if isinstance(self.bottom, EmptyProtoArea):
return w1, h1
return max(w1, w2), max(h1, h2)
def generate(self, bbox, border_text, unit=MM):
yield from self.top.generate(bbox, border_text, unit)
for obj in self.bottom.generate(bbox, border_text, unit):
obj.side = 'bottom'
yield obj
def numeric(start=1):
def gen():
nonlocal start
for i in itertools.count(start):
yield str(i)
return gen
def alphabetic(case='upper'):
if case not in ('lower', 'upper'):
raise ValueError('case must be one of "lower" or "upper".')
index = string.ascii_lowercase if case == 'lower' else string.ascii_uppercase
def gen():
nonlocal index
for i in itertools.count():
if i<26:
yield index[i]
continue
i -= 26
if i<26*26:
yield index[i//26] + index[i%26]
continue
i -= 26*26
if i<26*26*26:
yield index[i//(26*26)] + index[(i//26)%26] + index[i%26]
else:
raise ValueError('row/column index out of range')
return gen
class PatternProtoArea:
def __init__(self, pitch_x, pitch_y=None, obj=None, numbers=True, font_size=None, font_stroke=None, number_x_gen=alphabetic(), number_y_gen=numeric(), interval_x=5, interval_y=None, margin=0, unit=MM):
self.pitch_x = pitch_x
self.pitch_y = pitch_y or pitch_x
self.margin = margin
self.obj = obj
self.unit = unit
self.numbers = numbers
self.font_size = font_size or unit(1.0, MM)
self.font_stroke = font_stroke or unit(0.2, MM)
self.interval_x = interval_x
self.interval_y = interval_y or (1 if MM(self.pitch_y, unit) >= 2.0 else 5)
self.number_x_gen, self.number_y_gen = number_x_gen, number_y_gen
def fit_size(self, w, h, unit=MM):
(min_x, min_y), (max_x, max_y) = self.fit_rect(((0, 0), (max(0, w-2*self.margin), max(0, h-2*self.margin))))
return max_x-min_x + 2*self.margin, max_y-min_y + 2*self.margin
def fit_rect(self, bbox, unit=MM):
(x, y), (w, h) = bbox
x, y = x+self.margin, y+self.margin
w, h = w-x-self.margin, h-y-self.margin
w_mod = round((w + 5e-7) % unit(self.pitch_x, self.unit), 6)
h_mod = round((h + 5e-7) % unit(self.pitch_y, self.unit), 6)
w_fit, h_fit = round(w - w_mod, 6), round(h - h_mod, 6)
x = x + (w-w_fit)/2
y = y + (h-h_fit)/2
return (x, y), (x+w_fit, y+h_fit)
def generate(self, bbox, border_text, unit=MM):
(x, y), (w, h) = bbox
w, h = w-x, h-y
n_x = int(w//unit(self.pitch_x, self.unit))
n_y = int(h//unit(self.pitch_y, self.unit))
off_x = (w % unit(self.pitch_x, self.unit)) / 2
off_y = (h % unit(self.pitch_y, self.unit)) / 2
if self.numbers:
for i, lno_i in list(zip(range(n_y), self.number_y_gen())):
if i == 0 or i == n_y - 1 or (i+1) % self.interval_y == 0:
t_y = off_y + y + (n_y - 1 - i + 0.5) * self.pitch_y
if border_text[3]:
t_x = x + off_x
yield Text(t_x, t_y, lno_i, self.font_size, self.font_stroke, 'right', 'middle', unit=self.unit)
if not self.single_sided:
yield Text(t_x, t_y, lno_i, self.font_size, self.font_stroke, 'right', 'middle', side='bottom', unit=self.unit)
if border_text[1]:
t_x = x + w - off_x
yield Text(t_x, t_y, lno_i, self.font_size, self.font_stroke, 'left', 'middle', unit=self.unit)
if not self.single_sided:
yield Text(t_x, t_y, lno_i, self.font_size, self.font_stroke, 'left', 'middle', side='bottom', unit=self.unit)
for i, lno_i in zip(range(n_x), self.number_x_gen()):
if i == 0 or i == n_x - 1 or (i+1) % self.interval_x == 0:
t_x = off_x + x + (i + 0.5) * self.pitch_x
if border_text[2]:
t_y = y + off_y
yield Text(t_x, t_y, lno_i, self.font_size, self.font_stroke, 'center', 'top', unit=self.unit)
if not self.single_sided:
yield Text(t_x, t_y, lno_i, self.font_size, self.font_stroke, 'center', 'top', side='bottom', unit=self.unit)
if border_text[0]:
t_y = y + h - off_y
yield Text(t_x, t_y, lno_i, self.font_size, self.font_stroke, 'center', 'bottom', unit=self.unit)
if not self.single_sided:
yield Text(t_x, t_y, lno_i, self.font_size, self.font_stroke, 'center', 'bottom', side='bottom', unit=self.unit)
for i in range(n_x):
for j in range(n_y):
if hasattr(self.obj, 'inst'):
inst = self.obj.inst(i, j, i == n_x-1, j == n_y-1)
if not inst:
continue
else:
inst = copy(self.obj)
inst.x = inst.unit(off_x + x, unit) + (i + 0.5) * inst.unit(self.pitch_x, self.unit)
inst.y = inst.unit(off_y + y, unit) + (j + 0.5) * inst.unit(self.pitch_y, self.unit)
yield inst
@property
def single_sided(self):
return self.obj.single_sided
class EmptyProtoArea:
def __init__(self, copper_fill=False):
self.copper_fill = copper_fill
def fit_size(self, w, h, unit=MM):
return w, h
def generate(self, bbox, border_text, unit=MM):
if self.copper_fill:
(min_x, min_y), (max_x, max_y) = bbox
group = ObjectGroup(0, 0, top_copper=[Region([(min_x, min_y), (max_x, min_y), (max_x, max_y), (min_x, max_y)],
unit=unit, polarity_dark=True)])
group.bounding_box = lambda *args, **kwargs: None
yield group
@property
def single_sided(self):
return True
class ManhattanPads(ObjectGroup):
def __init__(self, w, h=None, gap=0.2, unit=MM):
super().__init__(0, 0)
h = h or w
self.gap = gap
self.unit = unit
p = (w-2*gap)/2
q = (h-2*gap)/2
small_ap = RectangleAperture(p, q, unit=unit)
s = min(w, h) / 2 / math.sqrt(2)
large_ap = RectangleAperture(s, s, unit=unit).rotated(math.pi/4)
large_ap_neg = RectangleAperture(s+2*gap, s+2*gap, unit=unit).rotated(math.pi/4)
a = gap/2 + p/2
b = gap/2 + q/2
self.top_copper.append(Flash(-a, -b, aperture=small_ap, unit=unit))
self.top_copper.append(Flash(-a, b, aperture=small_ap, unit=unit))
self.top_copper.append(Flash( a, -b, aperture=small_ap, unit=unit))
self.top_copper.append(Flash( a, b, aperture=small_ap, unit=unit))
self.top_copper.append(Flash(0, 0, aperture=large_ap_neg, polarity_dark=False, unit=unit))
self.top_copper.append(Flash(0, 0, aperture=large_ap, unit=unit))
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, unit=unit).rotated(math.pi/4)
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 THTFlowerProto(ObjectGroup):
def __init__(self, pitch=None, drill=None, diameter=None, unit=MM):
super().__init__(0, 0, unit=unit)
self.pitch = pitch = pitch or unit(2.54, MM)
drill = drill or unit(0.9, MM)
diameter = diameter or unit(2.0, MM)
p = pitch / 2
self.objects.append(THTPad.circle(-p, 0, drill, diameter, paste=False, unit=unit))
self.objects.append(THTPad.circle( p, 0, drill, diameter, paste=False, unit=unit))
self.objects.append(THTPad.circle(0, -p, drill, diameter, paste=False, unit=unit))
self.objects.append(THTPad.circle(0, p, drill, diameter, paste=False, unit=unit))
middle_ap = CircleAperture(diameter, unit=unit)
self.top_copper.append(Flash(0, 0, aperture=middle_ap, unit=unit))
self.bottom_copper = self.top_mask = self.bottom_mask = self.top_copper
def inst(self, x, y, border_x, border_y):
if (x % 2 == 0) and (y % 2 == 0):
return copy(self)
if (x % 2 == 1) and (y % 2 == 1):
return copy(self)
return None
def bounding_box(self, unit=MM):
x, y, rotation = self.abs_pos
p = self.pitch/2
return unit.convert_bounds_from(self.unit, ((x-p, y-p), (x+p, y+p)))
class PoweredProto(ObjectGroup):
""" Cell primitive for "powered" THT breadboards. This cell type is based on regular THT pads in a 100 mil grid, but
adds small SMD pads diagonally between the THT pads. These SMD pads are interconnected with traces and vias in such
a way that every second one is inter-linked, forming two fully connected grids. Next to every THT pad you have one
pad of each grid, so this layout is awesome for distributing power throughout the board.
This design is based on one that Yajima Manufacturing Akizuki Denshi, Akihabara's finest electronics store sells for
next to nothing. Sadly, they don't ship internationally and they don't even have an English website, but if you ever
are in Akihabara, Tokyo, Japan I can *highly* recommend a visit. The ones Yajima make are better than what this will
produce since the Yajima ones use a two-colored silkscreen to visually distinguish the two power pad grids.
Links:
Akizuki Denshi product page: https://akizukidenshi.com/catalog/g/gP-07214/
Yajima Manufacturing Corporation website: http://www.yajima-works.co.jp/index.html
"""
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)
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.trace_width = trace_width = trace_width or unit(0.3, MM)
self.via_size = via_size = via_size or unit(0.4, MM)
main_pad_dia = pitch - trace_width - 2*clearance
power_pad_dia_max = math.sqrt(2)*pitch - main_pad_dia - 2*clearance
if power_pad_dia is None:
power_pad_dia = power_pad_dia_max - clearance # reduce some more to give the user more room
elif power_pad_dia > power_pad_dia_max:
warnings.warn(f'Power pad diameter {power_pad_dia} > {power_pad_dia_max} violates pad-to-pad clearance')
self.power_pad_dia = power_pad_dia
main_ap = CircleAperture(main_pad_dia, unit=unit)
power_ap = CircleAperture(self.power_pad_dia, unit=unit)
for l in [self.top_copper, self.bottom_copper]:
l.append(Flash(0, 0, aperture=main_ap, unit=unit))
l.append(Flash(-pitch/2, -pitch/2, aperture=power_ap, unit=unit))
l.append(Flash(-pitch/2, pitch/2, aperture=power_ap, unit=unit))
l.append(Flash( pitch/2, -pitch/2, aperture=power_ap, unit=unit))
l.append(Flash( pitch/2, pitch/2, aperture=power_ap, unit=unit))
self.drill_pth.append(Flash(0, 0, ExcellonTool(drill, plated=True, unit=unit), unit=unit))
self.drill_pth.append(Flash(-pitch/2, -pitch/2, ExcellonTool(via_size, plated=True, unit=unit), unit=unit))
self.top_mask = copy(self.top_copper)
self.bottom_mask = copy(self.bottom_copper)
self.line_ap = CircleAperture(trace_width, unit=unit)
self.top_copper.append(Line(-pitch/2, -pitch/2, -pitch/2, pitch/2, aperture=self.line_ap, unit=unit))
self.top_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))
self.bottom_copper.append(Line(-pitch/2, pitch/2, pitch/2, pitch/2, aperture=self.line_ap, unit=unit))
def inst(self, x, y, border_x, border_y):
inst = copy(self)
if (x + y) % 2 == 0:
inst.drill_pth = inst.drill_pth[:-1]
c = self.power_pad_dia/2 + self.clearance
p = self.pitch/2
if x == 1:
inst.top_silk = [Line(-p, -p+c, -p, p-c, aperture=self.line_ap, unit=self.unit)]
elif x % 2 == 0:
inst.top_silk = [Line(p, -p+c, p, p-c, aperture=self.line_ap, unit=self.unit)]
if y == 0:
inst.bottom_silk = [Line(-p+c, -p, p-c, -p, aperture=self.line_ap, unit=self.unit)]
elif y % 2 == 1:
inst.bottom_silk = [Line(-p+c, p, p-c, p, aperture=self.line_ap, unit=self.unit)]
return inst
def bounding_box(self, unit=MM):
x, y, rotation = self.abs_pos
p = self.pitch/2
return unit.convert_bounds_from(self.unit, ((x-p, y-p), (x+p, y+p)))
class SpikyProto(ObjectGroup):
""" Cell primitive for the "spiky" protoboard designed by @electroniceel and published on github at the URL below.
This layout has small-ish standard THT pads, but in between these pads it puts a grid of SMD pads that are designed
for easy solder bridging to allow for the construction of traces from solder bridging.
Github URL: https://github.com/electroniceel/protoboard
"""
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, unit=unit)
res = importlib.resources.files(package_data)
self.fp_center = kfp.Footprint.load(res.joinpath('center-pad-spikes.kicad_mod').read_text(encoding='utf-8'))
self.corner_pad = kfp.FootprintInstance(1.27, 1.27, self.fp_center, unit=MM)
self.pad = kfp.Footprint.load(res.joinpath('tht-0.8.kicad_mod').read_text(encoding='utf-8'))
self.center_pad = kfp.FootprintInstance(0, 0, self.pad, unit=MM)
self.fp_between = kfp.Footprint.load(res.joinpath('pad-between-spiked.kicad_mod').read_text(encoding='utf-8'))
self.right_pad = kfp.FootprintInstance(1.27, 0, self.fp_between, unit=MM)
self.top_pad = kfp.FootprintInstance(0, 1.27, self.fp_between, rotation=math.pi/2, unit=MM)
@property
def objects(self):
return [x for x in (self.center_pad, self.corner_pad, self.right_pad, self.top_pad) if x is not None]
@objects.setter
def objects(self, value):
pass
def inst(self, x, y, border_x, border_y):
inst = copy(self)
if border_x:
inst.corner_pad = inst.right_pad = None
if border_y:
inst.corner_pad = inst.top_pad = None
return inst
class AlioCell(ObjectGroup):
""" Cell primitive for the ALio protoboard designed by arief ibrahim adha and published on hackaday.io at the URL
below. Similar to electroniceel's spiky protoboard, this layout has small-ish standard THT pads, but in between
these pads it puts a grid of SMD pads that are designed for easy solder bridging to allow for the construction of
traces from solder bridging.
Hackaday.io URL: https://hackaday.io/project/28570/
"""
def __init__(self, pitch=None, drill=None, clearance=None, link_pad_width=None, link_trace_width=None, via_size=None, unit=MM):
super().__init__(0, 0, unit=unit)
self.pitch = pitch or unit(2.54, MM)
self.drill = drill or unit(0.9, MM)
self.clearance = clearance or unit(0.3, MM)
self.link_pad_width = link_pad_width or unit(1.1, MM)
self.link_trace_width = link_trace_width or unit(0.5, MM)
self.via_size = via_size or unit(0.4, MM)
self.border_x, self.border_y = False, False
self.inst_x, self.inst_y = None, None
@property
def single_sided(self):
return False
def inst(self, x, y, border_x, border_y):
inst = copy(self)
inst.border_x, inst.border_y = border_x, border_y
inst.inst_x, inst.inst_y = x, y
return inst
def bounding_box(self, unit):
x, y, rotation = self.abs_pos
# FIXME hack
return self.unit.convert_bounds_to(unit, ((x-self.pitch/2, y-self.pitch/2), (x+self.pitch/2, y+self.pitch/2)))
def render(self, layer_stack, cache=None):
x, y, rotation = self.abs_pos
def xf(fe):
fe = copy(fe)
fe.rotate(rotation)
fe.offset(x, y, self.unit)
return fe
var = VariableExpression
# parameters: [1: total height = pad width, 2: pitch, 3: trace width, 4: corner radius, 5: rotation, 6: clearance]
alio_main_macro = ApertureMacro('ALIOM', (
amp.CenterLine(MM, 1, var(2)-var(6), var(2)-var(3)-2*var(6), 0, 0, var(5)),
amp.Outline(MM, 0, 5, (
-var(2)/2, -var(2)/2,
-var(2)/2, -(var(7)-var(8)),
-var(7), -(var(7)-var(8)),
-(var(7)-var(8)), -var(7),
-(var(7)-var(8)), -var(2)/2,
-var(2)/2, -var(2)/2,
), var(5)),
amp.Outline(MM, 0, 5, (
-var(2)/2, var(2)/2,
-var(2)/2, (var(7)-var(8)),
-var(7), (var(7)-var(8)),
-(var(7)-var(8)), var(7),
-(var(7)-var(8)), var(2)/2,
-var(2)/2, var(2)/2,
), var(5)),
amp.Outline(MM, 0, 5, (
var(2)/2, -var(2)/2,
var(2)/2, -(var(7)-var(8)),
var(7), -(var(7)-var(8)),
(var(7)-var(8)), -var(7),
(var(7)-var(8)), -var(2)/2,
var(2)/2, -var(2)/2,
), var(5)),
amp.Outline(MM, 0, 5, (
var(2)/2, var(2)/2,
var(2)/2, (var(7)-var(8)),
var(7), (var(7)-var(8)),
(var(7)-var(8)), var(7),
(var(7)-var(8)), var(2)/2,
var(2)/2, var(2)/2,
), var(5)),
amp.Circle(MM, 0, 2*var(8), -var(7), -var(7), var(5)),
amp.Circle(MM, 0, 2*var(8), -var(7), var(7), var(5)),
amp.Circle(MM, 0, 2*var(8), var(7), -var(7), var(5)),
amp.Circle(MM, 0, 2*var(8), var(7), var(7), var(5)),
), (
None, # 1
None, # 2
None, # 3
None, # 4
None, # 5
None, # 6
var(2)/2 - var(1)/2 + var(4), # 7
var(4)+var(6), # 8
))
corner_radius = (self.link_pad_width - self.link_trace_width)/3
main_ap = ApertureMacroInstance(alio_main_macro, (self.link_pad_width, # 1
self.pitch, # 2
self.link_trace_width, # 3
corner_radius, # 4
rotation, # 5
self.clearance), unit=MM) # 6
main_ap_90 = ApertureMacroInstance(alio_main_macro, (self.link_pad_width, # 1
self.pitch, # 2
self.link_trace_width, # 3
corner_radius, # 4
rotation-90, # 5
self.clearance), unit=MM) # 6
main_drill = ExcellonTool(self.drill, plated=True, unit=self.unit)
via_drill = ExcellonTool(self.via_size, plated=True, unit=self.unit)
# parameters: [1: total height = pad width, 2: total width, 3: trace width, 4: corner radius, 5: rotation]
alio_macro = ApertureMacro('ALIOP', (
amp.CenterLine(MM, 1, var(1)-2*var(4), var(1), 0, 0, var(5)),
amp.CenterLine(MM, 1, var(1), var(1)-2*var(4), 0, 0, var(5)),
amp.Circle(MM, 1, 2*var(4), -var(1)/2+var(4), -var(1)/2+var(4), var(5)),
amp.Circle(MM, 1, 2*var(4), -var(1)/2+var(4), var(1)/2-var(4), var(5)),
amp.Circle(MM, 1, 2*var(4), var(1)/2-var(4), -var(1)/2+var(4), var(5)),
amp.Circle(MM, 1, 2*var(4), var(1)/2-var(4), var(1)/2-var(4), var(5)),
amp.CenterLine(MM, 1, var(2), var(3), -var(2)/2 + var(1)/2, 0, var(5)),
))
alio_dark = ApertureMacroInstance(alio_macro, (self.link_pad_width, # 1
self.pitch-self.clearance, # 2
self.link_trace_width, # 3
corner_radius, # 4
rotation), unit=MM) # 5
alio_dark_90 = ApertureMacroInstance(alio_macro, (self.link_pad_width, # 1
self.pitch-self.clearance, # 2
self.link_trace_width, # 3
corner_radius, # 4
rotation+90), unit=MM) # 5
# all layers are identical here
for side, use in (('top', 'copper'), ('top', 'mask'), ('bottom', 'copper'), ('bottom', 'mask')):
if side == 'top':
layer_stack[side, use].objects.insert(0, xf(Flash(0, 0, aperture=main_ap, unit=self.unit)))
if not self.border_y:
layer_stack[side, use].objects.append(xf(Flash(self.pitch/2, self.pitch/2, aperture=alio_dark, unit=self.unit)))
else:
layer_stack[side, use].objects.insert(0, xf(Flash(0, 0, aperture=main_ap_90, unit=self.unit)))
if not self.border_x:
layer_stack[side, use].objects.append(xf(Flash(self.pitch/2, self.pitch/2, aperture=alio_dark_90, unit=self.unit)))
layer_stack.drill_pth.append(Flash(x, y, aperture=main_drill, unit=self.unit))
if not (self.border_x or self.border_y):
layer_stack.drill_pth.append(xf(Flash(self.pitch/2, self.pitch/2, aperture=via_drill, unit=self.unit)))
def convert_to_mm(value, unit):
unitl = unit.lower()
if unitl == 'mm':
return value
elif unitl == 'cm':
return value*10
elif unitl == 'in':
return value*25.4
elif unitl == 'mil':
return value/1000*25.4
else:
raise ValueError(f'Invalid unit {unit}, allowed units are mm, cm, in, and mil.')
_VALUE_RE = re.compile('([0-9]*\.?[0-9]+)(cm|mm|in|mil|%)')
def eval_value(value, total_length=None):
if not isinstance(value, str):
return None
m = _VALUE_RE.match(value.lower())
number, unit = m.groups()
if unit == '%':
if total_length is None:
raise ValueError('Percentages are not allowed for this value')
return total_length * float(number) / 100
return convert_to_mm(float(number), unit)
def _demo():
#pattern1 = PatternProtoArea(2.54, obj=THTPad.circle(0, 0, 0.9, 1.8, paste=False))
#pattern1 = PatternProtoArea(2.54, 2.54, obj=SpikyProto())
#pattern2 = PatternProtoArea(1.2, 2.0, obj=SMDPad.rect(0, 0, 1.0, 1.8, paste=False))
#pattern3 = PatternProtoArea(2.54, 1.27, obj=SMDPad.rect(0, 0, 2.3, 1.0, paste=False))
#pattern3 = EmptyProtoArea(copper_fill=True)
#stack = TwoSideLayout(pattern2, pattern3)
#pattern2 = PatternProtoArea(2.54, obj=PoweredProto(), margin=1)
#pattern3 = PatternProtoArea(2.54, obj=RFGroundProto())
#stack = PropLayout([pattern2, pattern3], 'h', [0.5, 0.5])
#pattern = PropLayout([pattern1, stack], 'h', [0.5, 0.5])
#pattern = PatternProtoArea(2.54, obj=ManhattanPads(2.54))
#pattern = PatternProtoArea(2.54*1.5, obj=THTFlowerProto())
#pattern = PatternProtoArea(2.54, obj=THTPad.circle(0, 0, 0.9, 1.8, paste=False))
#pattern = PatternProtoArea(2.54, obj=PoweredProto())
pattern = PatternProtoArea(2.54, obj=AlioCell(), margin=2)
pb = ProtoBoard(50, 47, pattern, mounting_hole_dia=3.2, mounting_hole_offset=5)
#pb = ProtoBoard(10, 10, pattern1)
print(pb.pretty_svg())
pb.layer_stack().save_to_directory('/tmp/testdir')
if __name__ == '__main__':
_demo()
#cnt = alphabetic()()
#for _ in range(32):
# for _ in range(26):
# print(f'{next(cnt):>2}', end=' ', file=sys.stderr)
# print(file=sys.stderr)