kopia lustrzana https://gitlab.com/gerbolyze/gerbonara
Add coil test board gen
jaseg
rodzic
2d4c40c0f7
commit
2a9c91b025
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@ -0,0 +1,377 @@
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#!/usr/bin/env python3
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import math
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import itertools
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import datetime
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import tempfile
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import subprocess
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import gerbonara.cad.kicad.pcb as pcb
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import gerbonara.cad.kicad.footprints as fp
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import gerbonara.cad.primitives as cad_pr
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import gerbonara.cad.kicad.graphical_primitives as kc_gr
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cols = 6
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rows = 4
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coil_specs = [
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{'n': 1, 's': True, 't': 1, 'c': 0.20, 'w': 5.00, 'v': 0.40},
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{'n': 2, 's': True, 't': 1, 'c': 0.20, 'w': 3.00, 'v': 0.40},
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{'n': 3, 's': True, 't': 1, 'c': 0.20, 'w': 1.50, 'v': 0.40},
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{'n': 5, 's': True, 't': 1, 'c': 0.20, 'w': 0.80, 'v': 0.40},
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{'n': 10, 's': True, 't': 1, 'c': 0.20, 'w': 0.50, 'v': 0.40},
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{'n': 25, 's': True, 't': 1, 'c': 0.15, 'w': 0.25, 'v': 0.40},
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{'n': 1, 's': False, 't': 1, 'c': 0.20, 'w': 5.00, 'v': 0.40},
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{'n': 2, 's': False, 't': 1, 'c': 0.20, 'w': 3.00, 'v': 0.40},
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{'n': 3, 's': False, 't': 1, 'c': 0.20, 'w': 1.50, 'v': 0.40},
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{'n': 5, 's': False, 't': 1, 'c': 0.20, 'w': 0.80, 'v': 0.40},
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{'n': 10, 's': False, 't': 1, 'c': 0.20, 'w': 0.50, 'v': 0.40},
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{'n': 25, 's': False, 't': 1, 'c': 0.15, 'w': 0.25, 'v': 0.40},
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{'n': 1, 's': False, 't': 2, 'c': 0.20, 'w': 5.00, 'v': 0.40},
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{'n': 2, 's': False, 't': 3, 'c': 0.20, 'w': 3.00, 'v': 0.40},
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{'n': 3, 's': False, 't': 2, 'c': 0.20, 'w': 1.50, 'v': 0.40},
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{'n': 5, 's': False, 't': 2, 'c': 0.20, 'w': 0.80, 'v': 0.40},
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{'n': 10, 's': False, 't': 3, 'c': 0.20, 'w': 0.50, 'v': 0.40},
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{'n': 25, 's': False, 't': 2, 'c': 0.15, 'w': 0.25, 'v': 0.40},
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{'n': 1, 's': False, 't': 3, 'c': 0.20, 'w': 5.00, 'v': 0.40},
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{'n': 2, 's': False, 't': 5, 'c': 0.20, 'w': 3.00, 'v': 0.40},
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{'n': 3, 's': False, 't': 4, 'c': 0.20, 'w': 1.50, 'v': 0.40},
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{'n': 5, 's': False, 't': 3, 'c': 0.20, 'w': 0.80, 'v': 0.40},
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{'n': 10, 's': False, 't': 7, 'c': 0.20, 'w': 0.50, 'v': 0.40},
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{'n': 25, 's': False, 't': 7, 'c': 0.15, 'w': 0.25, 'v': 0.40},
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]
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version_string = 'v1.0'
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coil_border = 7 # mm
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cut_gap = 3 # mm
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tooling_border = 10 # mm
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vscore_extra = 10 # mm
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mouse_bite_width = 8 # mm
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mouse_bite_hole_dia = 0.5
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mouse_bite_hole_spacing = 0.3
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hole_offset = 5
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hole_dia = 3.2
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coil_dia = 35 # mm
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pad_offset = 2 # mm
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pad_dia = 2.0 # mm
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pad_length = 3.5 # mm
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pad_drill = 1.1 # mm
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pad_pitch = 2.54 # mm
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v_cuts = False # FIXME DEBUG
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mouse_bites = False # FIXME DEBUG
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coil_pitch = coil_dia + coil_border*2 + cut_gap
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total_width = coil_pitch*cols + 2*tooling_border + cut_gap
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total_height = coil_pitch*rows + 2*tooling_border + cut_gap
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tile_width = tile_height = coil_dia + 2*coil_border
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drawing_text_size = 2.0
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print(f'Calculated board size: {total_width:.2f} * {total_height:.2f} mm')
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print(f'Tile size: {tile_height:.2f} * {tile_height:.2f} mm')
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x0, y0 = 100, 100
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xy = pcb.XYCoord
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b = pcb.Board.empty_board(page=pcb.PageSettings(page_format='A2'))
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b.add(kc_gr.Rectangle(xy(x0, y0), xy(x0+total_width, y0+total_height), layer='Edge.Cuts', stroke=pcb.Stroke(width=0.15)))
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def do_line(x0, y0, x1, y1, off_x=0, off_y=0):
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b.add(kc_gr.Line(xy(x0+off_x, y0+off_y),
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xy(x1+off_x, y1+off_y),
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layer='Edge.Cuts', stroke=pcb.Stroke(width=0.15)))
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if v_cuts:
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for y in range(rows):
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for off_y in [0, tile_height]:
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y_pos = y0 + tooling_border + cut_gap + off_y + y*coil_pitch
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do_line(x0 - vscore_extra, y_pos, x0 + total_width + vscore_extra, y_pos)
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b.add(kc_gr.Text(text='V-score',
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at=pcb.AtPos(x0 + total_width + vscore_extra + drawing_text_size/2, y_pos, 0),
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layer=kc_gr.TextLayer('Edge.Cuts'),
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effects=pcb.TextEffect(
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font=pcb.FontSpec(size=xy(drawing_text_size, drawing_text_size),
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thickness=drawing_text_size/10),
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justify=pcb.Justify(h=pcb.Atom.left))))
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for x in range(cols):
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for off_x in [0, tile_width]:
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x_pos = x0 + tooling_border + cut_gap + off_x + x*coil_pitch
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do_line(x_pos, y0 - vscore_extra, x_pos, y0 + total_height + vscore_extra)
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b.add(kc_gr.Text(text='V-score',
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at=pcb.AtPos(x_pos, y0 + total_height + vscore_extra + drawing_text_size/2, 90),
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layer=kc_gr.TextLayer('Edge.Cuts'),
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effects=pcb.TextEffect(
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font=pcb.FontSpec(size=xy(drawing_text_size, drawing_text_size),
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thickness=drawing_text_size/10),
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justify=pcb.Justify(h=pcb.Atom.right))))
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def draw_corner(x0, y0, spokes):
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right, top, left, bottom = [True if c.lower() in 'y1' else False for c in spokes]
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l = (tile_width - mouse_bite_width)/2 - cut_gap/2
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if right:
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do_line(cut_gap/2, -cut_gap/2, cut_gap/2 + l, -cut_gap/2, x0, y0)
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do_line(cut_gap/2, cut_gap/2, cut_gap/2 + l, cut_gap/2, x0, y0)
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b.add(kc_gr.Arc(start=xy(x0+cut_gap/2+l, y0-cut_gap/2),
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end=xy(x0+cut_gap/2+l, y0+cut_gap/2),
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center=xy(x0+cut_gap/2+l, y0),
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layer='Edge.Cuts',
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stroke=pcb.Stroke(width=0.15)))
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else:
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do_line(cut_gap/2, -cut_gap/2, cut_gap/2, cut_gap/2, x0, y0)
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if left:
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do_line(-cut_gap/2, -cut_gap/2, -cut_gap/2 - l, -cut_gap/2, x0, y0)
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do_line(-cut_gap/2, cut_gap/2, -cut_gap/2 - l, cut_gap/2, x0, y0)
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b.add(kc_gr.Arc(end=xy(x0-cut_gap/2-l, y0-cut_gap/2),
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start=xy(x0-cut_gap/2-l, y0+cut_gap/2),
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center=xy(x0-cut_gap/2-l, y0),
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layer='Edge.Cuts',
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stroke=pcb.Stroke(width=0.15)))
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else:
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do_line(-cut_gap/2, -cut_gap/2, -cut_gap/2, cut_gap/2, x0, y0)
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if bottom:
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do_line(-cut_gap/2, cut_gap/2, -cut_gap/2, cut_gap/2 + l, x0, y0)
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do_line(cut_gap/2, cut_gap/2, cut_gap/2, cut_gap/2 + l, x0, y0)
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b.add(kc_gr.Arc(end=xy(x0-cut_gap/2, y0+cut_gap/2+l),
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start=xy(x0+cut_gap/2, y0+cut_gap/2+l),
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center=xy(x0, y0+cut_gap/2+l),
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layer='Edge.Cuts',
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stroke=pcb.Stroke(width=0.15)))
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else:
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do_line(-cut_gap/2, cut_gap/2, cut_gap/2, cut_gap/2, x0, y0)
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if top:
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do_line(-cut_gap/2, -cut_gap/2, -cut_gap/2, -cut_gap/2 - l, x0, y0)
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do_line(cut_gap/2, -cut_gap/2, cut_gap/2, -cut_gap/2 - l, x0, y0)
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b.add(kc_gr.Arc(start=xy(x0-cut_gap/2, y0-cut_gap/2-l),
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end=xy(x0+cut_gap/2, y0-cut_gap/2-l),
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center=xy(x0, y0-cut_gap/2-l),
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layer='Edge.Cuts',
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stroke=pcb.Stroke(width=0.15)))
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else:
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do_line(-cut_gap/2, -cut_gap/2, cut_gap/2, -cut_gap/2, x0, y0)
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def make_mouse_bite(x, y, rot=0, width=mouse_bite_width, hole_dia=mouse_bite_hole_dia, hole_spacing=mouse_bite_hole_spacing, **kwargs):
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pitch = hole_dia + hole_spacing
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num_holes = int(math.floor((width - hole_spacing) / pitch))
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actual_spacing = (width - num_holes*hole_dia) / (num_holes + 1)
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f = fp.Footprint(name='mouse_bite', _version=None, generator=None, at=fp.AtPos(x, y, rot), **kwargs)
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for i in range(num_holes):
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f.pads.append(fp.Pad(
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number='1',
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type=fp.Atom.np_thru_hole,
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shape=fp.Atom.circle,
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at=fp.AtPos(-width/2 + actual_spacing + i*pitch + hole_dia/2, 0, 0),
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size=xy(hole_dia, hole_dia),
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drill=fp.Drill(diameter=hole_dia),
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footprint=f))
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return f
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def make_hole(x, y, dia, **kwargs):
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f = fp.Footprint(name='hole', _version=None, generator=None, at=fp.AtPos(x, y, 0), **kwargs)
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f.pads.append(fp.Pad(
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number='1',
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type=fp.Atom.np_thru_hole,
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shape=fp.Atom.circle,
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at=fp.AtPos(0, 0, 0),
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size=xy(dia, dia),
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drill=fp.Drill(diameter=dia),
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footprint=f))
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return f
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def make_pads(x, y, rot, n, pad_dia, pad_length, drill, pitch, **kwargs):
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f = fp.Footprint(name=f'conn_gen_01x{n}', _version=None, generator=None, at=fp.AtPos(x, y, rot), **kwargs)
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for i in range(n):
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f.pads.append(fp.Pad(
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number=str(i+1),
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type=fp.Atom.thru_hole,
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shape=fp.Atom.oval,
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at=fp.AtPos(-pitch*(n-1)/2 + i*pitch, 0, rot),
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size=xy(pad_dia, pad_length),
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drill=fp.Drill(diameter=drill),
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footprint=f))
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return f
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corner_x0 = x0 + tooling_border + cut_gap/2
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corner_y0 = y0 + tooling_border + cut_gap/2
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corner_x1 = x0 + total_width - tooling_border - cut_gap/2
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corner_y1 = y0 + total_height - tooling_border - cut_gap/2
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# Corners
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draw_corner(corner_x0, corner_y0, 'YNNY')
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draw_corner(corner_x0, corner_y1, 'YYNN')
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draw_corner(corner_x1, corner_y0, 'NNYY')
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draw_corner(corner_x1, corner_y1, 'NYYN')
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# T junctions
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for x in range(1, cols):
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draw_corner(corner_x0 + x*coil_pitch, corner_y0, 'YNYY')
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draw_corner(corner_x0 + x*coil_pitch, corner_y1, 'YYYN')
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for y in range(1, rows):
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draw_corner(corner_x0, corner_y0 + y*coil_pitch, 'YYNY')
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draw_corner(corner_x1, corner_y0 + y*coil_pitch, 'NYYY')
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# X Junctions
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for x in range(1, cols):
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for y in range(1, rows):
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draw_corner(corner_x0 + x*coil_pitch, corner_y0 + y*coil_pitch, 'YYYY')
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# Mouse bites
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if mouse_bites:
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for x in range(0, cols):
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for y in range(0, rows):
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tile_x0 = x0 + tooling_border + cut_gap + x*coil_pitch
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tile_y0 = y0 + tooling_border + cut_gap + y*coil_pitch
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b.add(make_mouse_bite(tile_x0 + tile_width/2, tile_y0, 0))
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b.add(make_mouse_bite(tile_x0 + tile_width/2, tile_y0 + tile_height, 0))
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b.add(make_mouse_bite(tile_x0, tile_y0 + tile_height/2, 90))
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b.add(make_mouse_bite(tile_x0 + tile_width, tile_y0 + tile_height/2, 90))
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# Mounting holes
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for x in range(0, cols):
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for y in range(0, rows):
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tile_x0 = x0 + tooling_border + cut_gap + x*coil_pitch + tile_width/2
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tile_y0 = y0 + tooling_border + cut_gap + y*coil_pitch + tile_height/2
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dx = tile_width/2 - hole_offset
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dy = tile_height/2 - hole_offset
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b.add(make_hole(tile_x0 - dx, tile_y0 - dy, hole_dia))
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b.add(make_hole(tile_x0 - dx, tile_y0 + dy, hole_dia))
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b.add(make_hole(tile_x0 + dx, tile_y0 - dy, hole_dia))
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b.add(make_hole(tile_x0 + dx, tile_y0 + dy, hole_dia))
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# border graphics
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c = 3
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for layer in ['F.SilkS', 'B.SilkS']:
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b.add(kc_gr.Rectangle(start=xy(x0, y0), end=xy(x0+c, y0+total_height), layer=layer, stroke=pcb.Stroke(width=0),
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fill=kc_gr.FillMode(pcb.Atom.solid)))
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b.add(kc_gr.Rectangle(start=xy(x0, y0), end=xy(x0+total_width, y0+c), layer=layer, stroke=pcb.Stroke(width=0),
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fill=kc_gr.FillMode(pcb.Atom.solid)))
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b.add(kc_gr.Rectangle(start=xy(x0+total_width-c, y0), end=xy(x0+total_width, y0+total_height), layer=layer, stroke=pcb.Stroke(width=0),
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fill=kc_gr.FillMode(pcb.Atom.solid)))
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b.add(kc_gr.Rectangle(start=xy(x0, y0+total_height-c), end=xy(x0+total_width, y0+total_height), layer=layer, stroke=pcb.Stroke(width=0),
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fill=kc_gr.FillMode(pcb.Atom.solid)))
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a = 3
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timestamp = datetime.datetime.now().strftime('%Y-%m-%d')
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b.add(kc_gr.Text(text=f'Planar inductor test panel {version_string} {timestamp} © 2023 Jan Götte, FG KOM, TU Darmstadt',
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at=pcb.AtPos(x0 + c + a/3, y0 + c + a/3),
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layer=kc_gr.TextLayer('F.SilkS'),
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effects=pcb.TextEffect(
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font=pcb.FontSpec(size=xy(a, a),
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thickness=a/5),
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justify=pcb.Justify(h=pcb.Atom.left, v=pcb.Atom.top))))
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for index, ((y, x), spec) in enumerate(zip(itertools.product(range(rows), range(cols)), coil_specs), start=1):
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pass
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with tempfile.NamedTemporaryFile(suffix='.kicad_mod') as f:
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tile_x0 = x0 + tooling_border + cut_gap + x*coil_pitch + tile_width/2
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tile_y0 = y0 + tooling_border + cut_gap + y*coil_pitch + tile_height/2
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for key, alias in {
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'inner_diameter': 'id',
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'outer_diameter': 'od',
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'trace_width': 'w',
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'turns': 'n',
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'twists': 't',
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'clearance': 'c',
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'single_layer': 's',
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'via_drill': 'v'}.items():
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if alias in spec:
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spec[key] = spec.pop(alias)
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if 'via_diameter' not in spec:
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spec['via_diameter'] = spec['trace_width']
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if 'inner_diameter' not in spec:
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spec['inner_diameter'] = 15
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if 'outer_diameter' not in spec:
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spec['outer_diameter'] = 35
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args = ['python', '-m', 'twisted_coil_gen_twolayer']
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for k, v in spec.items():
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if not isinstance(v, bool) or v:
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args.append('--' + k.replace('_', '-'))
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if v is not True:
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args.append(str(v))
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args.append(f.name)
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subprocess.run(args, check=True)
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coil = fp.Footprint.open_mod(f.name)
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coil.at = fp.AtPos(tile_x0, tile_y0, 0)
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b.add(coil)
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t = [f'n={spec["turns"]}',
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f'{spec["twists"]} twists',
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f'w={spec["trace_width"]:.2f}mm']
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if spec.get('single_layer'):
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t.append('single layer')
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sz = 1.5
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b.add(kc_gr.Text(text='\\n'.join(t),
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at=pcb.AtPos(tile_x0, tile_y0),
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layer=kc_gr.TextLayer('B.SilkS'),
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effects=pcb.TextEffect(
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font=pcb.FontSpec(size=xy(sz, sz),
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thickness=sz/5),
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justify=pcb.Justify(h=None, v=None, mirror=True))))
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||||
|
||||
b.add(kc_gr.Text(text=f'{version_string} {timestamp}\\nTile {index}',
|
||||
at=pcb.AtPos(tile_x0, tile_y0 - tile_height/2 + sz),
|
||||
layer=kc_gr.TextLayer('B.SilkS'),
|
||||
effects=pcb.TextEffect(
|
||||
font=pcb.FontSpec(size=xy(sz, sz),
|
||||
thickness=sz/5),
|
||||
justify=pcb.Justify(h=None, v=pcb.Atom.top, mirror=True))))
|
||||
|
||||
b.add(kc_gr.Text(text=f'{index}',
|
||||
at=pcb.AtPos(tile_x0, tile_y0 - tile_height/2 + sz),
|
||||
layer=kc_gr.TextLayer('F.SilkS'),
|
||||
effects=pcb.TextEffect(
|
||||
font=pcb.FontSpec(size=xy(sz, sz),
|
||||
thickness=sz/5),
|
||||
justify=pcb.Justify(h=None, v=pcb.Atom.top, mirror=False))))
|
||||
|
||||
pads_x0 = tile_x0 + tile_width/2 - pad_offset
|
||||
pads = make_pads(pads_x0, tile_y0, 270, 2, pad_dia, pad_length, pad_drill, pad_pitch)
|
||||
b.add(pads)
|
||||
|
||||
w = min(spec.get('trace_width', pad_dia), pad_dia)
|
||||
x, y, _r, _f = pads.pad(2).abs_pos
|
||||
w2 = (x - pad_length/2, y)
|
||||
x, y, _r, _f = pads.pad(1).abs_pos
|
||||
w1 = (x - pad_length/2, y)
|
||||
b.add(cad_pr.Trace(w, pads.pad(1), coil.pad(1), waypoints=[w1], orientation=['cw'], side='top'))
|
||||
b.add(cad_pr.Trace(w, pads.pad(2), coil.pad(2), waypoints=[w2], orientation=['ccw'], side='bottom'))
|
||||
|
||||
k = 3
|
||||
for layer in ['F.SilkS', 'B.SilkS']:
|
||||
b.add(kc_gr.Rectangle(start=xy(x-k/2, y-pad_pitch-k/2), end=xy(x+k/2, y-pad_pitch), layer=layer, stroke=pcb.Stroke(width=0),
|
||||
fill=kc_gr.FillMode(pcb.Atom.solid)))
|
||||
|
||||
b.write('coil_test_board.kicad_pcb')
|
||||
|
|
@ -585,6 +585,7 @@ class Board:
|
|||
self.groups.append(obj)
|
||||
case Footprint():
|
||||
self.footprints.append(obj)
|
||||
obj.board = self
|
||||
case _:
|
||||
for elem in self.map_gn_cad(obj):
|
||||
self.add(elem)
|
||||
|
|
|
|||
|
|
@ -289,7 +289,8 @@ def traces_to_gmsh_mag(traces, mesh_out, bbox, model_name='gerbonara_board', log
|
|||
airbox_physical = gmsh.model.add_physical_group(3, [airbox], name='airbox')
|
||||
trace_physical = gmsh.model.add_physical_group(3, [toplevel_tag], name='trace')
|
||||
|
||||
gmsh.model.mesh.setSize([(0, tag) for dim, tag in gmsh.model.getBoundary([(3, toplevel_tag)], recursive=True) if dim == 0], 0.300)
|
||||
gmsh.model.mesh.setSize([(0, tag) for dim, tag in gmsh.model.getBoundary([(3, toplevel_tag)], recursive=True) if dim == 0], 0.100)
|
||||
gmsh.model.mesh.setSize([(0, tag) for dim, tag in gmsh.model.getBoundary([(3, substrate)], recursive=True) if dim == 0], 0.200)
|
||||
|
||||
#interface_tags_top = gmsh.model.getBoundary([(3, contact_tag_top)], oriented=False)
|
||||
#interface_tags_bottom = gmsh.model.getBoundary([(3, contact_tag_bottom)], oriented=False)
|
||||
|
|
@ -308,11 +309,13 @@ def traces_to_gmsh_mag(traces, mesh_out, bbox, model_name='gerbonara_board', log
|
|||
|
||||
gmsh.option.setNumber('Mesh.MeshSizeFromCurvature', 32)
|
||||
gmsh.option.setNumber('Mesh.Smoothing', 10)
|
||||
gmsh.option.setNumber('Mesh.Algorithm3D', 10)
|
||||
gmsh.option.setNumber('Mesh.Algorithm3D', 10) # HXT
|
||||
gmsh.option.setNumber('Mesh.MeshSizeMax', 10)
|
||||
gmsh.option.setNumber('Mesh.MeshSizeMin', 0.08)
|
||||
gmsh.option.setNumber('General.NumThreads', multiprocessing.cpu_count())
|
||||
|
||||
print('Writing geo file')
|
||||
gmsh.write('/tmp/test.geo_unrolled')
|
||||
print('Meshing')
|
||||
gmsh.model.mesh.generate(dim=3)
|
||||
print('Writing to', str(mesh_out))
|
||||
|
|
@ -583,25 +586,25 @@ def generate(outfile, turns, outer_diameter, inner_diameter, via_diameter, via_d
|
|||
print(f'Warning: Defaulting to {trace_width:.2f} mm trace width.', file=sys.stderr)
|
||||
|
||||
if trace_width is None:
|
||||
if clearance > projected_spiral_pitch:
|
||||
if round(clearance, 3) > round(projected_spiral_pitch, 3):
|
||||
raise click.ClickException(f'Error: Given clearance of {clearance:.2f} mm is larger than the projected spiral pitch of {projected_spiral_pitch:.2f} mm. Reduce clearance or increase the size of the coil.')
|
||||
trace_width = projected_spiral_pitch - clearance
|
||||
print(f'Calculated trace width for {clearance:.2f} mm clearance is {trace_width:.2f} mm.', file=sys.stderr)
|
||||
|
||||
elif clearance is None:
|
||||
if trace_width > projected_spiral_pitch:
|
||||
if round(trace_width, 2) > round(projected_spiral_pitch, 2):
|
||||
raise click.ClickException(f'Error: Given trace width of {trace_width:.2f} mm is larger than the projected spiral pitch of {projected_spiral_pitch:.2f} mm. Reduce clearance or increase the size of the coil.')
|
||||
clearance = projected_spiral_pitch - trace_width
|
||||
print(f'Calculated clearance for {trace_width:.2f} mm trace width is {clearance:.2f} mm.', file=sys.stderr)
|
||||
|
||||
else:
|
||||
if trace_width > projected_spiral_pitch:
|
||||
if round(trace_width, 2) > round(projected_spiral_pitch, 2):
|
||||
raise click.ClickException(f'Error: Given trace width of {trace_width:.2f} mm is larger than the projected spiral pitch of {projected_spiral_pitch:.2f} mm. Reduce clearance or increase the size of the coil.')
|
||||
clearance_actual = projected_spiral_pitch - trace_width
|
||||
if clearance_actual < clearance:
|
||||
if round(clearance_actual, 3) < round(clearance, 3):
|
||||
raise click.ClickException(f'Error: Actual clearance for {trace_width:.2f} mm trace is {clearance_actual:.2f} mm, which is lower than the given clearance of {clearance:.2f} mm.')
|
||||
|
||||
if via_diameter < trace_width:
|
||||
if round(via_diameter, 2) < round(trace_width, 2):
|
||||
print(f'Clipping via diameter from {via_diameter:.2f} mm to trace width of {trace_width:.2f} mm.', file=sys.stderr)
|
||||
via_diameter = trace_width
|
||||
|
||||
|
|
|
|||
Ładowanie…
Reference in New Issue