Move coil stuff to separate repo

1 files changed, 0 insertions, 295 deletions

diff --git a/twisted_coil_gen.py b/twisted_coil_gen.py
deleted file mode 100644
index 402587c..0000000
--- a/twisted_coil_gen.py
+++ /dev/null
@@ -1,295 +0,0 @@
-#!/usr/bin/env python3
-
-import subprocess
-import sys
-import os
-from math import *
-from pathlib import Path
-from itertools import cycle
-from scipy.constants import mu_0
-
-from gerbonara.cad.kicad import pcb as kicad_pcb
-from gerbonara.cad.kicad import footprints as kicad_fp
-from gerbonara.cad.kicad import graphical_primitives as kicad_gr
-from gerbonara.cad.kicad import primitives as kicad_pr
-import click
-
-
-__version__ = '1.0.0'
-
-
-def point_line_distance(p, l1, l2):
-    x0, y0 = p
-    x1, y1 = l1
-    x2, y2 = l2
-    # https://en.wikipedia.org/wiki/Distance_from_a_point_to_a_line
-    return abs((x2-x1)*(y1-y0) - (x1-x0)*(y2-y1)) / sqrt((x2-x1)**2 + (y2-y1)**2)
-
-def line_line_intersection(l1, l2):
-    p1, p2 = l1
-    p3, p4 = l2
-    x1, y1 = p1
-    x2, y2 = p2
-    x3, y3 = p3
-    x4, y4 = p4
-    
-    # https://en.wikipedia.org/wiki/Line%E2%80%93line_intersection
-    px = ((x1*y2-y1*x2)*(x3-x4)-(x1-x2)*(x3*y4-y3*x4))/((x1-x2)*(y3-y4)-(y1-y2)*(x3-x4))
-    py = ((x1*y2-y1*x2)*(y3-y4)-(y1-y2)*(x3*y4-y3*x4))/((x1-x2)*(y3-y4)-(y1-y2)*(x3-x4))
-    return px, py
-
-def angle_between_vectors(va, vb):
-    angle = atan2(vb[1], vb[0]) - atan2(va[1], va[0])
-    if angle < 0:
-        angle += 2*pi
-    return angle
-
-class SVGPath:
-    def __init__(self, **attrs):
-        self.d = ''
-        self.attrs = attrs
-
-    def line(self, x, y):
-        self.d += f'L {x} {y} '
-
-    def move(self, x, y):
-        self.d += f'M {x} {y} '
-
-    def arc(self, x, y, r, large, sweep):
-        self.d += f'A {r} {r} 0 {int(large)} {int(sweep)} {x} {y} '
-
-    def close(self):
-        self.d += 'Z '
-
-    def __str__(self):
-        attrs = ' '.join(f'{key.replace("_", "-")}="{value}"' for key, value in self.attrs.items())
-        return f'<path {attrs} d="{self.d.rstrip()}"/>'
-
-class SVGCircle:
-    def __init__(self, r, cx, cy, **attrs):
-        self.r = r
-        self.cx, self.cy = cx, cy
-        self.attrs = attrs
-
-    def __str__(self):
-        attrs = ' '.join(f'{key.replace("_", "-")}="{value}"' for key, value in self.attrs.items())
-        return f'<circle {attrs} r="{self.r}" cx="{self.cx}" cy="{self.cy}"/>'
-
-def svg_file(fn, stuff, vbw, vbh, vbx=0, vby=0):
-    with open(fn, 'w') as f:
-        f.write('<?xml version="1.0" standalone="no"?>\n')
-        f.write('<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">\n')
-        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')
-
-        for foo in stuff:
-            f.write(str(foo))
-
-        f.write('</svg>\n')
-
-@click.command()
-@click.argument('outfile', required=False, type=click.Path(writable=True, dir_okay=False, path_type=Path))
-@click.option('--footprint-name', help="Name for the generated footprint. Default: Output file name sans extension.")
-@click.option('--target-layer', default='F.Cu', help="Target KiCad layer for the generated footprint. Default: F.Cu.")
-@click.option('--jumper-layer', default='B.Cu', help="KiCad layer for jumper connections. Default: B.Cu.")
-@click.option('--turns', type=int, default=5, help='Number of turns')
-@click.option('--diameter', type=float, default=50, help='Outer diameter [mm]')
-@click.option('--trace-width', type=float, default=0.15)
-@click.option('--via-diameter', type=float, default=0.6)
-@click.option('--via-drill', type=float, default=0.3)
-@click.option('--keepout-zone/--no-keepout-zone', default=True, help='Add a keepout are to the footprint (default: yes)')
-@click.option('--keepout-margin', type=float, default=5, help='Margin between outside of coil and keepout area (mm, default: 5)')
-@click.option('--twist-width', type=float, default=20, help='Width of twist versus straight coil in percent (0-100, default: 20)')
-@click.option('--num-twists', type=int, default=1, help='Number of twists per revolution (default: 1)')
-@click.option('--clearance', type=float, default=0.15)
-@click.option('--clipboard/--no-clipboard', help='Use clipboard integration (requires wl-clipboard)')
-@click.option('--counter-clockwise/--clockwise', help='Direction of generated spiral. Default: clockwise when wound from the inside.')
-def generate(outfile, turns, diameter, via_diameter, via_drill, trace_width, clearance, footprint_name, target_layer,
-             jumper_layer, twist_width, num_twists, clipboard, counter_clockwise, keepout_zone, keepout_margin):
-    if 'WAYLAND_DISPLAY' in os.environ:
-        copy, paste, cliputil = ['wl-copy'], ['wl-paste'], 'xclip'
-    else:
-        copy, paste, cliputil = ['xclip', '-i', '-sel', 'clipboard'], ['xclip', '-o', '-sel' 'clipboard'], 'wl-clipboard'
-
-
-    out_path = SVGPath(fill='none', stroke='black', stroke_width=trace_width, stroke_linejoin='round', stroke_linecap='round')
-    jumper_path = SVGPath(fill='none', stroke='gray', stroke_width=trace_width, stroke_linejoin='round', stroke_linecap='round')
-    svg_stuff = [jumper_path, out_path]
-
-    pitch = clearance + trace_width
-    twist_angle = 2*pi / (turns * num_twists - 1)
-    twist_width = twist_angle * twist_width/100
-
-    via_diameter = max(trace_width, via_diameter)
-
-    # See https://coil32.net/pcb-coil.html for details
-
-    d_inside  = diameter - 2*(pitch*turns - clearance)
-    d_avg = (diameter + d_inside)/2
-    phi = (diameter - d_inside) / (diameter + d_inside)
-    c1, c2, c3, c4 = 1.00, 2.46, 0.00, 0.20
-    L = mu_0 * turns**2 * d_avg*1e3 * c1 / 2 * (log(c2/phi) + c3*phi + c4*phi**2)
-    print(f'Outer diameter: {diameter:g} mm')
-    print(f'Average diameter: {d_avg:g} mm')
-    print(f'Inner diameter: {d_inside:g} mm')
-    print(f'Fill factor: {phi:g}')
-    print(f'Approximate inductance: {L:g} µH')
-
-
-    make_pad = lambda num, x, y: kicad_fp.Pad(
-            number=str(num),
-            type=kicad_fp.Atom.smd,
-            shape=kicad_fp.Atom.circle,
-            at=kicad_fp.AtPos(x=x, y=y),
-            size=kicad_fp.XYCoord(x=trace_width, y=trace_width),
-            layers=[target_layer],
-            clearance=clearance,
-            zone_connect=0)
-
-    make_line = lambda x1, y1, x2, y2, layer=target_layer: kicad_fp.Line(
-                start=kicad_fp.XYCoord(x=x1, y=y1),
-                end=kicad_fp.XYCoord(x=x2, y=y2),
-                layer=layer, 
-                stroke=kicad_fp.Stroke(width=trace_width))
-
-    make_arc = lambda x1, y1, x2, y2, xc, yc, layer=target_layer: kicad_fp.Arc(
-                start=kicad_fp.XYCoord(x=x1, y=y1),
-                mid=kicad_fp.XYCoord(x=xc, y=yc),
-                end=kicad_fp.XYCoord(x=x2, y=y2),
-                layer=layer, 
-                stroke=kicad_fp.Stroke(width=trace_width))
-
-
-    make_via = lambda x, y: kicad_fp.Pad(number="NC",
-                     type=kicad_fp.Atom.thru_hole,
-                     shape=kicad_fp.Atom.circle,
-                     at=kicad_fp.AtPos(x=x, y=y),
-                     size=kicad_fp.XYCoord(x=via_diameter, y=via_diameter),
-                     drill=kicad_fp.Drill(diameter=via_drill),
-                     layers=[target_layer, jumper_layer],
-                     clearance=clearance, 
-                     zone_connect=0)
-
-    pads = []
-    lines = []
-    arcs = []
-
-    for n in range(turns * num_twists - 1):
-        for k in range(turns):
-            r = diameter/2 - trace_width/2 - k*pitch
-            a1 = n*twist_angle + twist_width/2
-            a2 = a1 + twist_angle - twist_width
-            x1, y1 = r*cos(a1), r*sin(a1)
-            out_path.move(x1, y1)
-            x2, y2 = r*cos(a2), r*sin(a2)
-            out_path.line(x2, y2)
-            a3 = (a1 + a2) / 2
-            xm, ym = r*cos(a3), r*sin(a3)
-            arcs.append(make_arc(x2, y2, x1, y1, xm, ym))
-
-        for k in range(turns-1):
-            r1 = diameter/2 - trace_width/2 - (k+1)*pitch
-            r2 = diameter/2 - trace_width/2 - k*pitch
-            a1 = n*twist_angle - twist_width/2
-            a2 = a1 + twist_width
-            x1, y1 = r1*cos(a1), r1*sin(a1)
-            out_path.move(x1, y1)
-            x2, y2 = r2*cos(a2), r2*sin(a2)
-            out_path.line(x2, y2)
-            a3 = (a1 + a2) / 2
-            r3 = (r1 + r2) / 2
-            xm, ym = r3*cos(a3), r3*sin(a3)
-            arcs.append(make_arc(x2, y2, x1, y1, xm, ym))
-
-        rs = diameter/2 - trace_width/2 
-        rv = rs - trace_width/2 + via_diameter/2
-        a = n*twist_angle - twist_width/2
-
-        x1, y1 = rs*cos(a), rs*sin(a)
-        out_path.move(x1, y1)
-        xv1, yv1 = rv*cos(a), rv*sin(a)
-        out_path.line(xv1, yv1)
-        svg_stuff.append(SVGCircle(via_diameter/2, xv1, yv1, fill='red'))
-        pads.append(make_via(xv1, yv1))
-        jumper_path.move(xv1, yv1)
-        lines.append(make_line(x1, y1, xv1, yv1))
-
-        a += twist_width
-        rs = diameter/2 - trace_width/2 - (turns-1)*pitch
-        rv = rs + trace_width/2 - via_diameter/2
-
-        x1, y1 = rs*cos(a), rs*sin(a)
-        out_path.move(x1, y1)
-        xv2, yv2 = rv*cos(a), rv*sin(a)
-        out_path.line(xv2, yv2)
-        svg_stuff.append(SVGCircle(via_diameter/2, xv2, yv2, fill='red'))
-        pads.append(make_via(xv2, yv2))
-        lines.append(make_line(x1, y1, xv2, yv2))
-
-        if n > 0:
-            jumper_path.line(xv2, yv2)
-            lines.append(make_line(xv1, yv1, xv2, yv2, jumper_layer))
-        else:
-            pads.append(make_pad(1, xv1, yv1))
-            pads.append(make_pad(2, xv2, yv2))
-
-    svg_file('/tmp/test.svg', svg_stuff, 100, 100, -50, -50)
-
-    if counter_clockwise:
-        for p in pads:
-            p.at.y = -p.at.y
-
-        for l in lines:
-            l.start.y = -l.start.y
-            l.end.y = -l.end.y
-
-        for a in arcs:
-            a.start.y = -a.start.y
-            a.end.y = -a.end.y
-
-    if footprint_name:
-        name = footprint_name
-    elif outfile:
-        name = outfile.stem,
-    else:
-        name = 'generated_coil'
-
-    if keepout_zone:
-        r = diameter/2 + keepout_margin
-        tol = 0.05 # mm
-        n = ceil(pi / acos(1 - tol/r))
-        pts = [(r*cos(a*2*pi/n), r*sin(a*2*pi/n)) for a in range(n)]
-        zones = [kicad_pr.Zone(layers=['*.Cu'],
-            hatch=kicad_pr.Hatch(),
-            filled_areas_thickness=False,
-            keepout=kicad_pr.ZoneKeepout(copperpour_allowed=False),
-            polygon=kicad_pr.ZonePolygon(pts=kicad_pr.PointList(xy=[kicad_pr.XYCoord(x=x, y=y) for x, y in pts])))]
-    else:
-        zones = []
-
-    fp = kicad_fp.Footprint(
-            name=name,
-            generator=kicad_fp.Atom('GerbonaraTwistedCoilGenV1'),
-            layer='F.Cu',
-            descr=f"{turns} turn {diameter:.2f} mm diameter twisted coil footprint, inductance approximately {L:.6f} µH. Generated by gerbonara'c Twisted Coil generator, version {__version__}.",
-            clearance=clearance,
-            zone_connect=0,
-            lines=lines,
-            arcs=arcs,
-            pads=pads,
-            zones=zones,
-            )
-
-    if clipboard:
-        try:
-            print(f'Running {copy[0]}.')
-            proc = subprocess.Popen(copy, stdin=subprocess.PIPE, text=True)
-            proc.communicate(fp.serialize())
-        except FileNotFoundError:
-            print(f'Error: --clipboard requires the {copy[0]} and {paste[0]} utilities from {cliputil} to be installed.', file=sys.stderr)
-    elif not outfile:
-        print(fp.serialize())
-    else:
-        fp.write(outfile)
-
-if __name__ == '__main__':
-    generate()