520 lines
24 KiB
Python
520 lines
24 KiB
Python
#!/usr/bin/env python3
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import math
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import hashlib
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import re
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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 sqlite3
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import json
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from pathlib import Path
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import tqdm
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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 = 5
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rows = 5
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coil_specs = [
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{'n': 1, 's': True, 't': 1, 'c': 0.20, 'w': 5.00, 'd': 3.00, 'v': 5.00},
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{'n': 2, 's': True, 't': 1, 'c': 0.20, 'w': 3.00, 'd': 1.50, 'v': 3.00},
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{'n': 3, 's': True, 't': 1, 'c': 0.20, 'w': 1.50, 'd': 1.20, 'v': 2.00},
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{'n': 5, 's': True, 't': 1, 'c': 0.20, 'w': 0.80, 'd': 0.40, 'v': 0.80},
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{'n': 10, 's': True, 't': 1, 'c': 0.20, 'w': 0.50, 'd': 0.30, 'v': 0.60},
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{'n': 25, 's': True, 't': 1, 'c': 0.15, 'w': 0.25, 'd': 0.30, 'v': 0.60},
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{'n': 1, 's': False, 't': 3, 'c': 0.20, 'w': 5.00, 'd': 3.00, 'v': 5.00},
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{'n': 2, 's': False, 't': 1, 'c': 0.20, 'w': 3.00, 'd': 1.50, 'v': 3.00},
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{'n': 3, 's': False, 't': 1, 'c': 0.20, 'w': 2.50, 'd': 1.20, 'v': 2.00},
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{'n': 5, 's': False, 't': 1, 'c': 0.20, 'w': 2.50, 'd': 1.20, 'v': 0.80},
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{'n': 10, 's': False, 't': 1, 'c': 0.20, 'w': 1.50, 'd': 0.80, 'v': 0.60},
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{'n': 25, 's': False, 't': 1, 'c': 0.15, 'w': 0.50, 'd': 0.30, 'v': 0.60},
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{'n': 1, 's': False, 't': 4, 'c': 0.20, 'w': 5.00, 'd': 3.00, 'v': 5.00},
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{'n': 2, 's': False, 't': 3, 'c': 0.20, 'w': 3.00, 'd': 1.50, 'v': 3.00},
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{'n': 3, 's': False, 't': 4, 'c': 0.20, 'w': 2.50, 'd': 1.20, 'v': 2.00},
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{'n': 5, 's': False, 't': 3, 'c': 0.20, 'w': 2.50, 'd': 1.20, 'v': 0.80},
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{'n': 10, 's': False, 't': 3, 'c': 0.20, 'w': 1.50, 'd': 0.80, 'v': 0.60},
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{'n': 25, 's': False, 't': 3, 'c': 0.15, 'w': 0.50, 'd': 0.30, 'v': 0.60},
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{'n': 1, 's': False, 't': 5, 'c': 0.20, 'w': 5.00, 'd': 3.00, 'v': 5.00},
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{'n': 2, 's': False, 't': 5, 'c': 0.20, 'w': 3.00, 'd': 1.50, 'v': 3.00},
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{'n': 3, 's': False, 't': 4, 'c': 0.20, 'w': 2.50, 'd': 1.20, 'v': 2.00},
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{'n': 5, 's': False, 't': 7, 'c': 0.20, 'w': 2.50, 'd': 1.20, 'v': 0.80},
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{'n': 10, 's': False, 't': 7, 'c': 0.20, 'w': 1.50, 'd': 0.80, 'v': 0.60},
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{'n': 25, 's': False, 't': 13, 'c': 0.15, 'w': 0.50, 'd': 0.30, 'v': 0.60},
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{'n': 25, 's': False, 't': 23, 'c': 0.15, 'w': 0.50, 'd': 0.30, 'v': 0.60},
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]
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cachedir = Path('/tmp/coil_test_cache')
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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_yoff = -0.00
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mouse_bite_hole_dia = 0.7
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mouse_bite_hole_spacing = 0.6
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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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coil_inner_dia = 15 # mm
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board_thickness = 0.80 # 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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vrail_width = 10 # mm
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join_trace_w = 0.35 # mm
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v_cuts = False # FIXME DEBUG
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mouse_bites = True # FIXME DEBUG
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db = sqlite3.connect('coil_parameters.sqlite3')
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db.execute('CREATE TABLE IF NOT EXISTS runs (run_id INTEGER PRIMARY KEY, timestamp TEXT, version TEXT)')
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db.execute('CREATE TABLE IF NOT EXISTS coils (coil_id INTEGER PRIMARY KEY, run_id INTEGER, FOREIGN KEY (run_id) REFERENCES runs(run_id))')
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db.execute('CREATE TABLE IF NOT EXISTS results (result_id INTEGER PRIMARY KEY, coil_id INTEGER, key TEXT, value TEXT, FOREIGN KEY (coil_id) REFERENCES coils(coil_id))')
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cur = db.cursor()
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cur.execute('INSERT INTO runs(timestamp, version) VALUES (datetime("now"), ?)', (version_string,))
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run_id = cur.lastrowid
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db.commit()
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coil_pitch_v = coil_dia + coil_border*2 + cut_gap
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coil_pitch_h = coil_dia + coil_border*2 + 2*cut_gap + vrail_width
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total_width = coil_pitch_h*cols + 2*tooling_border - vrail_width
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total_height = coil_pitch_v*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_v
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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_h
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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_dia) / pitch)) + 1
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actual_spacing = (width - num_holes*hole_dia) / (num_holes + 1)
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pitch = hole_dia + actual_spacing
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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 + hole_dia/2 + i*pitch, 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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# Top / bottom V rail L junctions
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for x in range(1, cols):
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draw_corner(corner_x0 + x*coil_pitch_h - cut_gap - vrail_width, corner_y0, 'NNYY')
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draw_corner(corner_x0 + x*coil_pitch_h, corner_y0, 'YNNY')
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draw_corner(corner_x0 + x*coil_pitch_h - cut_gap - vrail_width, corner_y1, 'NYYN')
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draw_corner(corner_x0 + x*coil_pitch_h, corner_y1, 'YYNN')
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# Left / right T junctions
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for y in range(1, rows):
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draw_corner(corner_x0, corner_y0 + y*coil_pitch_v, 'YYNY')
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draw_corner(corner_x1, corner_y0 + y*coil_pitch_v, 'NYYY')
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# Middle T junctions
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for y in range(1, rows):
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for x in range(1, cols):
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draw_corner(corner_x0 + x*coil_pitch_h - cut_gap - vrail_width, corner_y0 + y*coil_pitch_v, 'NYYY')
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draw_corner(corner_x0 + x*coil_pitch_h, corner_y0 + y*coil_pitch_v, 'YYNY')
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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_h
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tile_y0 = y0 + tooling_border + cut_gap + y*coil_pitch_v
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b.add(make_mouse_bite(tile_x0 + tile_width/2, tile_y0 - mouse_bite_hole_dia/2, 0))
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b.add(make_mouse_bite(tile_x0 + tile_width/2, tile_y0 + tile_height + mouse_bite_hole_dia/2, 0))
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b.add(make_mouse_bite(tile_x0 - mouse_bite_hole_dia/2, tile_y0 + tile_height/2, 90))
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b.add(make_mouse_bite(tile_x0 + tile_width + mouse_bite_hole_dia/2, tile_y0 + tile_height/2 + mouse_bite_yoff, 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_h + tile_width/2
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tile_y0 = y0 + tooling_border + cut_gap + y*coil_pitch_v + 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 tqdm.tqdm(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_h + tile_width/2
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tile_y0 = y0 + tooling_border + cut_gap + y*coil_pitch_v + tile_height/2
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for key, alias in {
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'gen.inner_diameter': 'id',
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'gen.outer_diameter': 'od',
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'gen.trace_width': 'w',
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'gen.turns': 'n',
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'gen.twists': 't',
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'gen.clearance': 'c',
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'gen.single_layer': 's',
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'gen.via_drill': 'd',
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'gen.via_diameter': 'v'}.items():
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if alias in spec:
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spec[key] = spec.pop(alias)
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if 'gen.via_diameter' not in spec:
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|
spec['gen.via_diameter'] = spec['gen.trace_width']
|
|
|
|
if 'gen.inner_diameter' not in spec:
|
|
spec['gen.inner_diameter'] = coil_inner_dia
|
|
|
|
if 'gen.outer_diameter' not in spec:
|
|
spec['gen.outer_diameter'] = coil_dia
|
|
|
|
args = ['python', '-m', 'twisted_coil_gen_twolayer', '--no-keepout-zone']
|
|
for k, v in spec.items():
|
|
prefix, _, k = k.partition('.')
|
|
if (not isinstance(v, bool) or v) and prefix == 'gen':
|
|
args.append('--' + k.replace('_', '-'))
|
|
if v is not True:
|
|
args.append(str(v))
|
|
|
|
arg_digest = hashlib.sha3_256(' / '.join(map(str, args)).encode()).hexdigest()
|
|
cachedir.mkdir(exist_ok=True)
|
|
cache_file = cachedir / f'C-{arg_digest}.kicad_mod'
|
|
log_file = cachedir / f'Q-{arg_digest}.kicad_mod'
|
|
if not cache_file.is_file():
|
|
args.append(cache_file)
|
|
try:
|
|
res = subprocess.run(args, check=True, capture_output=True, text=True)
|
|
log_file.write_text(res.stdout + res.stderr)
|
|
except subprocess.CalledProcessError as e:
|
|
print(f'Error generating coil with command line {args}, rc={e.returncode}')
|
|
print(e.stdout)
|
|
print(e.stderr)
|
|
|
|
coil = fp.Footprint.open_mod(cache_file)
|
|
coil.at = fp.AtPos(tile_x0, tile_y0, 0)
|
|
b.add(coil)
|
|
|
|
t = [f'n={spec["gen.turns"]}',
|
|
f'{spec["gen.twists"]} twists',
|
|
f'w={spec["gen.trace_width"]:.2f}mm']
|
|
if spec.get('gen.single_layer'):
|
|
t.append('single layer')
|
|
|
|
spec['gen.board_thickness'] = board_thickness
|
|
cur.execute('INSERT INTO coils(run_id) VALUES (?)', (run_id,))
|
|
coil_id = cur.lastrowid
|
|
|
|
for key, value in spec.items():
|
|
if isinstance(value, bool):
|
|
value = str(value)
|
|
db.execute('INSERT INTO results(coil_id, key, value) VALUES (?, ?, ?)', (coil_id, key, value))
|
|
|
|
for l in log_file.read_text().splitlines():
|
|
if (m := re.fullmatch(r'Approximate inductance:\s*([-+.0-9eE]+)\s*µH', l.strip())):
|
|
val = float(m.group(1)) * 1e-6
|
|
db.execute('INSERT INTO results(coil_id, key, value) VALUES (?, "calculated_approximate_inductance", ?)', (coil_id, val))
|
|
if (m := re.fullmatch(r'Approximate track length:\s*([-+.0-9eE]+)\s*mm', l.strip())):
|
|
val = float(m.group(1)) * 1e-3
|
|
db.execute('INSERT INTO results(coil_id, key, value) VALUES (?, "calculated_trace_length", ?)', (coil_id, val))
|
|
if (m := re.fullmatch(r'Approximate resistance:\s*([-+.0-9eE]+)\s*Ω', l.strip())):
|
|
val = float(m.group(1))
|
|
db.execute('INSERT INTO results(coil_id, key, value) VALUES (?, "calculated_approximate_resistance", ?)', (coil_id, val))
|
|
if (m := re.fullmatch(r'Fill factor:\s*([-+.0-9eE]+)', l.strip())):
|
|
val = float(m.group(1))
|
|
db.execute('INSERT INTO results(coil_id, key, value) VALUES (?, "calculated_fill_factor", ?)', (coil_id, val))
|
|
db.commit()
|
|
|
|
sz = 1.5
|
|
b.add(kc_gr.Text(text='\\n'.join(t),
|
|
at=pcb.AtPos(tile_x0, tile_y0),
|
|
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=None, mirror=True))))
|
|
|
|
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('gen.trace_width', pad_dia), pad_dia)
|
|
wx, wy, _r, _f = pads.pad(2).abs_pos
|
|
w2 = (wx - pad_length/2, wy)
|
|
wx, wy, _r, _f = pads.pad(1).abs_pos
|
|
w1 = (wx - pad_length/2, wy)
|
|
b.add(cad_pr.Trace(w, coil.pad(1), pads.pad(1), waypoints=[w1], orientation=['ccw'], side='top'))
|
|
b.add(cad_pr.Trace(w, coil.pad(2), pads.pad(2), waypoints=[w2], orientation=['cw'], side='bottom'))
|
|
|
|
p = cut_gap + 5
|
|
q = 3
|
|
if y == 0:
|
|
if x > 0 and x % 2 == 1:
|
|
wx, wy, _r, _f = pads.pad(1).abs_pos
|
|
w1 = (wx + p), (wy - q)
|
|
w2 = (tile_x0 + tile_width/2 + cut_gap), (tile_y0 - tile_height/2 - cut_gap - q)
|
|
w3 = (tile_x0 - coil_pitch_h + tile_width/2 + cut_gap + 2*q), (tile_y0 - tile_height/2 - cut_gap - q)
|
|
w4 = (wx + p - coil_pitch_h), (wy - q)
|
|
w5 = (wx - coil_pitch_h), (wy)
|
|
b.add(cad_pr.Trace(join_trace_w, pads.pad(1), w5, waypoints=[w1, w2, w3, w4], orientation=['cw', 'cw', 'cw', 'cw'], side='top'))
|
|
|
|
else:
|
|
wx, wy, _r, _f = pads.pad(1).abs_pos
|
|
w1 = (wx + p), (wy - q)
|
|
w2 = (wx + p), (wy - coil_pitch_v + pad_pitch + q)
|
|
w3 = wx, (wy - coil_pitch_v + pad_pitch)
|
|
b.add(cad_pr.Trace(join_trace_w, pads.pad(1), w3, waypoints=[w1, w2], orientation=['cw', 'cw', 'cw'], side='bottom'))
|
|
|
|
if y == rows-1:
|
|
if x > 0 and x % 2 == 0:
|
|
wx, wy, _r, _f = pads.pad(2).abs_pos
|
|
w1 = (wx + p), (wy + q)
|
|
w2 = (tile_x0 + tile_width/2 + cut_gap), (tile_y0 + tile_height/2 + cut_gap + q)
|
|
w3 = (tile_x0 - coil_pitch_h + tile_width/2 + cut_gap + 2*q), (tile_y0 + tile_height/2 + cut_gap + q)
|
|
w4 = (wx + p - coil_pitch_h), (wy + q)
|
|
w5 = (wx - coil_pitch_h), (wy)
|
|
b.add(cad_pr.Trace(join_trace_w, pads.pad(2), w5, waypoints=[w1, w2, w3, w4], orientation=['ccw', 'ccw', 'ccw', 'ccw', 'cw'], side='top'))
|
|
|
|
elif x == 0:
|
|
wx, wy, _r, _f = pads.pad(2).abs_pos
|
|
w1 = (wx + p), (wy + q)
|
|
w2 = (wx + p + q), (tile_y0 + tile_height/2 + cut_gap + q)
|
|
w5 = (x0 + 4*total_width/5 - coil_pitch_h/2 - pad_pitch/2), (w2[1])
|
|
b.add(cad_pr.Trace(join_trace_w, pads.pad(2), w5, waypoints=[w1, w2], orientation=['ccw', 'cw', 'ccw'], side='bottom'))
|
|
|
|
if y == 0 and x == cols-1:
|
|
wx, wy, _r, _f = pads.pad(1).abs_pos
|
|
w1 = (wx + p + q), (wy + q)
|
|
w2 = (wx + p), (x0 + tooling_border + cut_gap + coil_pitch_v*rows + q)
|
|
w5 = (x0 + 4*total_width/5 - coil_pitch_h/2 + pad_pitch/2), (w2[1])
|
|
b.add(cad_pr.Trace(join_trace_w, pads.pad(1), w5, waypoints=[w1, w2], orientation=['ccw', 'ccw', 'ccw'], side='bottom'))
|
|
pads = make_pads(x0 + 4*total_width/5 - coil_pitch_h/2, w5[1], 0, 2, pad_dia, pad_length, pad_drill, pad_pitch)
|
|
b.add(pads)
|
|
|
|
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.add(pcb.Zone(layers=['F.Cu', 'B.Cu'], hatch=pcb.Hatch(),
|
|
min_thickness=0.25, filled_areas_thickness=False,
|
|
fill=pcb.ZoneFill(island_removal_mode=1, island_area_min=10),
|
|
polygon=pcb.ZonePolygon(pts=pcb.PointList(xy=[
|
|
pcb.XYCoord(x0, y0),
|
|
pcb.XYCoord(x0, y0+total_height),
|
|
pcb.XYCoord(x0+total_width, y0+total_height),
|
|
pcb.XYCoord(x0+total_width, y0)]))))
|
|
|
|
for x in range(0, cols):
|
|
tile_x0 = x0 + tooling_border + cut_gap + x*coil_pitch_h
|
|
tile_y0 = y0 + tooling_border + cut_gap
|
|
|
|
w = coil_dia + coil_border*2
|
|
y1 = y0 + total_height - tooling_border - cut_gap
|
|
|
|
b.add(pcb.Zone(layers=['F.Cu', 'B.Cu'], hatch=pcb.Hatch(),
|
|
min_thickness=0.25, filled_areas_thickness=False,
|
|
fill=pcb.ZoneFill(island_removal_mode=1, island_area_min=10),
|
|
keepout=pcb.ZoneKeepout(copperpour_allowed=False),
|
|
polygon=pcb.ZonePolygon(pts=pcb.PointList(xy=[
|
|
pcb.XYCoord(tile_x0, tile_y0),
|
|
pcb.XYCoord(tile_x0, y1),
|
|
pcb.XYCoord(tile_x0+w, y1),
|
|
pcb.XYCoord(tile_x0+w, tile_y0)]))))
|
|
|
|
b.write('coil_test_board.kicad_pcb')
|
|
|