1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
|
#!/usr/bin/env python3
from pathlib import Path
import itertools
import gerbonara.cad.kicad as kc
from gerbonara.cad.kicad import footprints
import gerbonara as gn
from gerbonara.utils import MM
import click
@click.command()
@click.option('-w', '--trace-width', default='0.15', help='Comma-separated list of trace widths [mm]')
@click.option('-c', '--clearance', default='0.15', help='Comma-separated list of clearances to step through [mm]')
@click.option('-n', '--conductors', default='2', help='Comma-separated list of numbers of conductors')
@click.argument('output_dir', type=click.Path(dir_okay=True, file_okay=False, path_type=Path))
def generate_footprints(output_dir, trace_width, clearance, conductors):
trace_widths = [float(x.strip()) for x in trace_width.split(',')]
clearances = [float(x.strip()) for x in clearance.split(',')]
conductors = [int(x.strip()) for x in conductors.split(',')]
if output_dir.suffix != '.pretty':
output_dir = output_dir.with_name(output_dir.name + '.pretty')
for trace, space, conductors in itertools.product(trace_widths, clearances, conductors):
pitch = trace + space
fp = footprints.Footprint(
name=f'MeshAnchor_{conductors}W_T{trace:.3f}mm_S{space:.3f}mm',
_version=20230620,
generator = footprints.Atom('kimesh_footprint_generator'),
descr=f'KiMesh mesh anchor footprint, {conductors} wires, {trace:.3f} mm trace width, {space:.3f} mm clearance',
tags='net tie',
attributes=footprints.Attribute(footprints.Atom.smd),
net_tie_pad_groups=[f'{i+1},{2*conductors-i},{2*conductors+1+i},{4*conductors-i}' for i in range(conductors)],
polygons=[footprints.Polygon(
pts=footprints.PointList(xy=[
footprints.XYCoord(-pitch/2, pitch * (conductors - i - 0.5) + trace/2),
footprints.XYCoord(pitch/2, pitch * (conductors - i - 0.5) + trace/2),
footprints.XYCoord(pitch/2, pitch * (conductors - i - 0.5) - trace/2),
footprints.XYCoord(-pitch/2, pitch * (conductors - i - 0.5) - trace/2),
]),
layer='F.Cu',
fill=footprints.Atom.solid)
for i in range(2*conductors)],
pads=[
footprints.Pad(
number=f'{i+1}',
type=footprints.Atom.smd,
shape=footprints.Atom.circle,
at=footprints.AtPos(pitch * (i//(2*conductors) - 0.5), -pitch * (conductors - i%(2*conductors) - 0.5)),
size=footprints.XYCoord(trace, trace),
layers=['F.Cu'])
for i in range(4*conductors)])
output_dir.mkdir(exist_ok=True)
fp.make_standard_properties()
fp.write(output_dir / f'{fp.name}.kicad_mod')
if __name__ == '__main__':
generate_footprints()
|
