kopia lustrzana https://gitlab.com/gerbolyze/gerbonara
Add twisted coil gen
jaseg
rodzic
c29802c2b9
commit
d43308c5cc
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@ -304,8 +304,9 @@ def generate(infile, outfile, polygon, start_angle, windings, trace_width, clear
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if clipboard:
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try:
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print(f'Running {copy[0]}. Press Ctrl+C when you are done pasting.')
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subprocess.run(copy, capture_output=True, text=True, check=True, input=fp.serialize())
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print(f'Running {copy[0]}.')
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proc = subprocess.Popen(copy, stdin=subprocess.PIPE, text=True)
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proc.communicate(fp.serialize())
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except FileNotFoundError:
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print(f'Error: --clipboard requires the {copy[0]} and {paste[0]} utilities from {cliputil} to be installed.', file=sys.stderr)
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elif not outfile:
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@ -166,9 +166,9 @@ class Arc:
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start: Rename(XYCoord) = None
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mid: Rename(XYCoord) = None
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end: Rename(XYCoord) = None
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layer: Named(str) = None
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width: Named(float) = None
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stroke: Stroke = None
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layer: Named(str) = None
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locked: Flag() = False
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tstamp: Timestamp = None
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@ -548,11 +548,11 @@ class Model:
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rotate: Named(XYZCoord) = field(default_factory=XYZCoord)
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SUPPORTED_FILE_FORMAT_VERSIONS = [20210108, 20211014, 20221018]
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SUPPORTED_FILE_FORMAT_VERSIONS = [20210108, 20211014, 20221018, 20230517]
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@sexp_type('footprint')
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class Footprint:
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name: str = None
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_version: Named(int, name='version') = 20210108
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_version: Named(int, name='version') = 20221018
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generator: Named(Atom) = Atom.gerbonara
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locked: Flag() = False
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placed: Flag() = False
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@ -0,0 +1,263 @@
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#!/usr/bin/env python3
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import subprocess
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import sys
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import os
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from math import *
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from pathlib import Path
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from itertools import cycle
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from gerbonara.cad.kicad import pcb as kicad_pcb
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from gerbonara.cad.kicad import footprints as kicad_fp
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from gerbonara.cad.kicad import graphical_primitives as kicad_gr
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import click
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__version__ = '1.0.0'
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def point_line_distance(p, l1, l2):
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x0, y0 = p
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x1, y1 = l1
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x2, y2 = l2
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# https://en.wikipedia.org/wiki/Distance_from_a_point_to_a_line
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return abs((x2-x1)*(y1-y0) - (x1-x0)*(y2-y1)) / sqrt((x2-x1)**2 + (y2-y1)**2)
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def line_line_intersection(l1, l2):
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p1, p2 = l1
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p3, p4 = l2
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x1, y1 = p1
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x2, y2 = p2
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x3, y3 = p3
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x4, y4 = p4
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# https://en.wikipedia.org/wiki/Line%E2%80%93line_intersection
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px = ((x1*y2-y1*x2)*(x3-x4)-(x1-x2)*(x3*y4-y3*x4))/((x1-x2)*(y3-y4)-(y1-y2)*(x3-x4))
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py = ((x1*y2-y1*x2)*(y3-y4)-(y1-y2)*(x3*y4-y3*x4))/((x1-x2)*(y3-y4)-(y1-y2)*(x3-x4))
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return px, py
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def angle_between_vectors(va, vb):
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angle = atan2(vb[1], vb[0]) - atan2(va[1], va[0])
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if angle < 0:
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angle += 2*pi
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return angle
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class SVGPath:
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def __init__(self, **attrs):
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self.d = ''
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self.attrs = attrs
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def line(self, x, y):
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self.d += f'L {x} {y} '
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def move(self, x, y):
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self.d += f'M {x} {y} '
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def arc(self, x, y, r, large, sweep):
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self.d += f'A {r} {r} 0 {int(large)} {int(sweep)} {x} {y} '
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def close(self):
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self.d += 'Z '
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def __str__(self):
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attrs = ' '.join(f'{key.replace("_", "-")}="{value}"' for key, value in self.attrs.items())
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return f'<path {attrs} d="{self.d.rstrip()}"/>'
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class SVGCircle:
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def __init__(self, r, cx, cy, **attrs):
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self.r = r
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self.cx, self.cy = cx, cy
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self.attrs = attrs
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def __str__(self):
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attrs = ' '.join(f'{key.replace("_", "-")}="{value}"' for key, value in self.attrs.items())
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return f'<circle {attrs} r="{self.r}" cx="{self.cx}" cy="{self.cy}"/>'
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def svg_file(fn, stuff, vbw, vbh, vbx=0, vby=0):
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with open(fn, 'w') as f:
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f.write('<?xml version="1.0" standalone="no"?>\n')
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f.write('<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">\n')
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f.write(f'<svg version="1.1" width="{vbw}mm" height="{vbh}mm" viewBox="{vbx} {vby} {vbw} {vbh}" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">>\n')
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for foo in stuff:
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f.write(str(foo))
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f.write('</svg>\n')
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@click.command()
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@click.argument('outfile', required=False, type=click.Path(writable=True, dir_okay=False, path_type=Path))
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@click.option('--footprint-name', help="Name for the generated footprint. Default: Output file name sans extension.")
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@click.option('--target-layer', default='F.Cu', help="Target KiCad layer for the generated footprint. Default: F.Cu.")
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@click.option('--jumper-layer', default='B.Cu', help="KiCad layer for jumper connections. Default: B.Cu.")
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@click.option('--windings', type=int, default=5, help='Number of windings to generate')
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@click.option('--diameter', type=float, default=50, help='Outer diameter')
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@click.option('--trace-width', type=float, default=0.15)
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@click.option('--via-diameter', type=float, default=0.6)
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@click.option('--via-drill', type=float, default=0.3)
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@click.option('--twist-width', type=float, default=20, help='Width of twist versus straight coil in percent (0-100, default: 20)')
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@click.option('--num-twists', type=int, default=1, help='Number of twists per revolution (default: 1)')
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@click.option('--clearance', type=float, default=0.15)
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@click.option('--clipboard/--no-clipboard', help='Use clipboard integration (requires wl-clipboard)')
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@click.option('--counter-clockwise/--clockwise', help='Direction of generated spiral. Default: clockwise when wound from the inside.')
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def generate(outfile, windings, diameter, via_diameter, via_drill, trace_width, clearance, footprint_name, target_layer,
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jumper_layer, twist_width, num_twists, clipboard, counter_clockwise):
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if 'WAYLAND_DISPLAY' in os.environ:
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copy, paste, cliputil = ['wl-copy'], ['wl-paste'], 'xclip'
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else:
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copy, paste, cliputil = ['xclip', '-i', '-sel', 'clipboard'], ['xclip', '-o', '-sel' 'clipboard'], 'wl-clipboard'
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out_path = SVGPath(fill='none', stroke='black', stroke_width=trace_width, stroke_linejoin='round', stroke_linecap='round')
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jumper_path = SVGPath(fill='none', stroke='gray', stroke_width=trace_width, stroke_linejoin='round', stroke_linecap='round')
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svg_stuff = [jumper_path, out_path]
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pitch = clearance + trace_width
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twist_angle = 2*pi / (windings * num_twists - 1)
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twist_width = twist_angle * twist_width/100
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via_diameter = max(trace_width, via_diameter)
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make_pad = lambda num, x, y: kicad_fp.Pad(
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number=str(num),
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type=kicad_fp.Atom.smd,
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shape=kicad_fp.Atom.circle,
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at=kicad_fp.AtPos(x=x, y=y),
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size=kicad_fp.XYCoord(x=trace_width, y=trace_width),
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layers=[target_layer],
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clearance=clearance,
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zone_connect=0)
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make_line = lambda x1, y1, x2, y2, layer=target_layer: kicad_fp.Line(
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start=kicad_fp.XYCoord(x=x1, y=y1),
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end=kicad_fp.XYCoord(x=x2, y=y2),
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layer=layer,
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stroke=kicad_fp.Stroke(width=trace_width))
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make_arc = lambda x1, y1, x2, y2, xc, yc, layer=target_layer: kicad_fp.Arc(
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start=kicad_fp.XYCoord(x=x1, y=y1),
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mid=kicad_fp.XYCoord(x=xc, y=yc),
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end=kicad_fp.XYCoord(x=x2, y=y2),
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layer=layer,
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stroke=kicad_fp.Stroke(width=trace_width))
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make_via = lambda x, y: kicad_fp.Pad(number="NC",
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type=kicad_fp.Atom.thru_hole,
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shape=kicad_fp.Atom.circle,
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at=kicad_fp.AtPos(x=x, y=y),
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size=kicad_fp.XYCoord(x=via_diameter, y=via_diameter),
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drill=kicad_fp.Drill(diameter=via_drill),
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layers=[target_layer, jumper_layer],
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clearance=clearance,
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zone_connect=0)
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pads = []
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lines = []
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arcs = []
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for n in range(windings * num_twists - 1):
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for k in range(windings):
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r = diameter/2 - trace_width/2 - k*pitch
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a1 = n*twist_angle + twist_width/2
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a2 = a1 + twist_angle - twist_width
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x1, y1 = r*cos(a1), r*sin(a1)
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out_path.move(x1, y1)
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x2, y2 = r*cos(a2), r*sin(a2)
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out_path.line(x2, y2)
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a3 = (a1 + a2) / 2
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xm, ym = r*cos(a3), r*sin(a3)
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arcs.append(make_arc(x2, y2, x1, y1, xm, ym))
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for k in range(windings-1):
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r1 = diameter/2 - trace_width/2 - (k+1)*pitch
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r2 = diameter/2 - trace_width/2 - k*pitch
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a1 = n*twist_angle - twist_width/2
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a2 = a1 + twist_width
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x1, y1 = r1*cos(a1), r1*sin(a1)
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out_path.move(x1, y1)
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x2, y2 = r2*cos(a2), r2*sin(a2)
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out_path.line(x2, y2)
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a3 = (a1 + a2) / 2
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r3 = (r1 + r2) / 2
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xm, ym = r3*cos(a3), r3*sin(a3)
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arcs.append(make_arc(x2, y2, x1, y1, xm, ym))
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rs = diameter/2 - trace_width/2
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rv = rs - trace_width/2 + via_diameter/2
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a = n*twist_angle - twist_width/2
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x1, y1 = rs*cos(a), rs*sin(a)
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out_path.move(x1, y1)
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xv1, yv1 = rv*cos(a), rv*sin(a)
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out_path.line(xv1, yv1)
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svg_stuff.append(SVGCircle(via_diameter/2, xv1, yv1, fill='red'))
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pads.append(make_via(xv1, yv1))
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jumper_path.move(xv1, yv1)
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lines.append(make_line(x1, y1, xv1, yv1))
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a += twist_width
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rs = diameter/2 - trace_width/2 - (windings-1)*pitch
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rv = rs + trace_width/2 - via_diameter/2
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x1, y1 = rs*cos(a), rs*sin(a)
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out_path.move(x1, y1)
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xv2, yv2 = rv*cos(a), rv*sin(a)
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out_path.line(xv2, yv2)
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svg_stuff.append(SVGCircle(via_diameter/2, xv2, yv2, fill='red'))
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pads.append(make_via(xv2, yv2))
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lines.append(make_line(x1, y1, xv2, yv2))
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if n > 0:
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jumper_path.line(xv2, yv2)
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lines.append(make_line(xv1, yv1, xv2, yv2, jumper_layer))
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else:
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pads.append(make_pad(1, xv1, yv1))
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pads.append(make_pad(2, xv2, yv2))
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svg_file('/tmp/test.svg', svg_stuff, 100, 100, -50, -50)
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if counter_clockwise:
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for p in pads:
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p.at.y = -p.at.y
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for l in lines:
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l.start.y = -l.start.y
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l.end.y = -l.end.y
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for a in arcs:
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a.start.y = -a.start.y
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a.end.y = -a.end.y
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if footprint_name:
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name = footprint_name
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elif outfile:
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name = outfile.stem,
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else:
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name = 'generated_coil'
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fp = kicad_fp.Footprint(
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name=name,
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generator=kicad_fp.Atom('GerbonaraTwistedCoilGenV1'),
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layer='F.Cu',
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descr=f"{windings} winding twisted coil footprint generated by gerbonara'c Twisted Coil generator, version {__version__}",
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clearance=clearance,
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zone_connect=0,
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lines=lines,
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arcs=arcs,
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pads=pads,
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)
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if clipboard:
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try:
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print(f'Running {copy[0]}.')
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proc = subprocess.Popen(copy, stdin=subprocess.PIPE, text=True)
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proc.communicate(fp.serialize())
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except FileNotFoundError:
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print(f'Error: --clipboard requires the {copy[0]} and {paste[0]} utilities from {cliputil} to be installed.', file=sys.stderr)
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elif not outfile:
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print(fp.serialize())
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else:
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fp.write(outfile)
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if __name__ == '__main__':
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generate()
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