def write_trace_footprint(stream, name, description, vertices, trace_width,
pad_size, mirror=False):
mirror = [1, -1][mirror]
text_effects = SExpression('font', [SExpression('size', [1, 1]),
SExpression('thickness', .15)])
module = SExpression('module', [name,
SExpression('layer', ['F.Cu']),
SExpression('fp_text', [identifier('reference'), 'REF**'],
[('at', [0, .5]), ('effects', text_effects), ('layer', 'F.SilkS')]),
SExpression('fp_text', [identifier('value'), name],
[('at', [0, -.5]), ('effects', text_effects),
('layer', 'F.SilkS')])])
module.children.extend(SExpression('fp_line', [], [
('start', vertices[ii]), ('end', vertices[ii + 1]), ('layer', 'F.Cu'),
('width', trace_width)]) for ii in range(len(vertices) - 1))
pad_offset = (pad_size - trace_width) / 2
module.children.append(SExpression('pad', [1, identifier('smd'),
identifier('rect')], [('at', (vertices[0][0] - pad_offset * mirror,
vertices[0][1] + pad_offset)), ('size', [pad_size, pad_size]),
('layers', 'F.Cu')]))
module.children.append(SExpression('pad', [2, identifier('smd'),
identifier('rect')], [('at', (vertices[-1][0] - pad_offset * mirror,
vertices[-1][1] - pad_offset)), ('size', [pad_size, pad_size]),
('layers', 'F.Cu')]))
module.children.append(SExpression('descr', description))
module.write_to_stream(stream)
def write_trace_footprint(stream,
name,
description,
vertices,
trace_width,
pad_size,
mirror=False):
mirror = [1, -1][mirror]
text_effects = SExpression(
'font', [SExpression('size', [1, 1]),
SExpression('thickness', .15)])
module = SExpression('module', [
name,
SExpression('layer', ['F.Cu']),
SExpression('fp_text', [identifier('reference'), 'REF**'],
[('at', [0, .5]), ('effects', text_effects),
('layer', 'F.SilkS')]),
SExpression('fp_text', [identifier('value'), name],
[('at', [0, -.5]), ('effects', text_effects),
('layer', 'F.SilkS')])
])
module.children.extend(
SExpression('fp_line', [], [('start',
vertices[ii]), ('end', vertices[ii + 1]),
('layer', 'F.Cu'), ('width', trace_width)])
for ii in range(len(vertices) - 1))
pad_offset = (pad_size - trace_width) / 2
module.children.append(
SExpression(
'pad',
[1, identifier('smd'), identifier('rect')],
[('at', (vertices[0][0] - pad_offset * mirror,
vertices[0][1] + pad_offset)),
('size', [pad_size, pad_size]), ('layers', 'F.Cu')]))
module.children.append(
SExpression(
'pad',
[2, identifier('smd'), identifier('rect')],
[('at', (vertices[-1][0] - pad_offset * mirror,
vertices[-1][1] - pad_offset)),
('size', [pad_size, pad_size]), ('layers', 'F.Cu')]))
module.children.append(SExpression('descr', description))
module.write_to_stream(stream)
else:
pads = [
(1, (coil[0][0] + pad_offset * args.mirror,
coil[0][1] - pad_offset),
'rect'),
(2, (coil[-1][0] - pad_offset * args.mirror,
coil[-1][1]),
'circle')]
pad_locations = [
(coil[0][0] + pad_offset * args.mirror, coil[0][1] - pad_offset),
(coil[-1][0] - pad_offset * args.mirror, coil[-1][1] + pad_offset)]
for number, location, shape in pads:
module.children.append(SExpression('pad', [
number,
identifier('smd'),
identifier(shape)], [
('at', location),
('size', [pad_size, pad_size]),
('layers', 'F.Cu')]))
descr = 'PCB inductor {}m x {}m {} turns {}m pitch'.format(
si_prefix_format(side1*2e-3), si_prefix_format(side2*2e-3),
args.turns, si_prefix_format(pitch*1e-3))
if args.fasthenry:
descr += ' inductance {}H Q={:.1e} at {}Hz'.format(
si_prefix_format(L), Q, si_prefix_format(args.frequency))
descr += ' generated with https://github.com/ignamv/kicad_scripts'
module.children.append(SExpression('descr', descr))
module.write_to_stream(args.kicad_mod)
args.kicad_mod.close()
print('\nFootprint written to ' + args.kicad_mod.name)
coil[0][1] + pad_offset), 'rect'),
(2, (coil[-1][0] - pad_offset * args.mirror,
coil[-1][1] - pad_offset), 'rect')]
else:
pads = [(1, (coil[0][0] + pad_offset * args.mirror,
coil[0][1] - pad_offset), 'rect'),
(2, (coil[-1][0] - pad_offset * args.mirror, coil[-1][1]),
'circle')]
pad_locations = [
(coil[0][0] + pad_offset * args.mirror, coil[0][1] - pad_offset),
(coil[-1][0] - pad_offset * args.mirror, coil[-1][1] + pad_offset)
]
for number, location, shape in pads:
module.children.append(
SExpression('pad',
[number, identifier('smd'),
identifier(shape)], [('at', location),
('size', [pad_size, pad_size]),
('layers', 'F.Cu')]))
descr = 'PCB inductor {}m x {}m {} turns {}m pitch'.format(
si_prefix_format(side1 * 2e-3), si_prefix_format(side2 * 2e-3),
args.turns, si_prefix_format(pitch * 1e-3))
if args.fasthenry:
descr += ' inductance {}H Q={:.1e} at {}Hz'.format(
si_prefix_format(L), Q, si_prefix_format(args.frequency))
descr += ' generated with https://github.com/ignamv/kicad_scripts'
module.children.append(SExpression('descr', descr))
module.write_to_stream(args.kicad_mod)
args.kicad_mod.close()
print('\nFootprint written to ' + args.kicad_mod.name)
