diff options
Diffstat (limited to 'coil_test_board.py')
| -rw-r--r-- | coil_test_board.py | 194 |
1 files changed, 76 insertions, 118 deletions
diff --git a/coil_test_board.py b/coil_test_board.py index 2cd3228..af47ddf 100644 --- a/coil_test_board.py +++ b/coil_test_board.py @@ -51,13 +51,13 @@ coil_specs = [ {'n': 10, 's': False, 't': 7, 'c': 0.20, 'w': 1.50, 'd': 0.80, 'v': 0.60}, {'n': 25, 's': False, 't': 13, 'c': 0.15, 'w': 0.50, 'd': 0.30, 'v': 0.60}, - {'n': 25, 's': False, 't': 23, 'c': 0.15, 'w': 0.50, 'd': 0.30, 'v': 0.60}, + {'n': 25, 's': False, 't': 37, 'c': 0.15, 'w': 0.50, 'd': 0.30, 'v': 0.60}, ] cachedir = Path('/tmp/coil_test_cache') version_string = 'v1.0' coil_border = 7 # mm -cut_gap = 3 # mm +cut_gap = 8 # mm tooling_border = 10 # mm vscore_extra = 10 # mm mouse_bite_width = 8 # mm @@ -74,10 +74,10 @@ pad_dia = 2.0 # mm pad_length = 3.5 # mm pad_drill = 1.1 # mm pad_pitch = 2.54 # mm -vrail_width = 10 # mm join_trace_w = 0.150 # mm -v_cuts = False -mouse_bites = True +do_v_cuts = False +do_mouse_bites = False +do_cut_gaps = False db = sqlite3.connect('coil_parameters.sqlite3') db.execute('CREATE TABLE IF NOT EXISTS runs (run_id INTEGER PRIMARY KEY, timestamp TEXT, version TEXT)') @@ -88,13 +88,13 @@ cur.execute('INSERT INTO runs(timestamp, version) VALUES (datetime("now"), ?)', run_id = cur.lastrowid db.commit() -coil_pitch_v = coil_dia + coil_border*2 + cut_gap -coil_pitch_h = coil_dia + coil_border*2 + 2*cut_gap + vrail_width +tile_width = tile_height = coil_dia + 2*coil_border +coil_pitch_v = tile_width + cut_gap +coil_pitch_h = tile_height + cut_gap -total_width = coil_pitch_h*cols + 2*tooling_border - vrail_width +total_width = coil_pitch_h*cols + 2*tooling_border + cut_gap total_height = coil_pitch_v*rows + 2*tooling_border + cut_gap -tile_width = tile_height = coil_dia + 2*coil_border drawing_text_size = 2.0 print(f'Calculated board size: {total_width:.2f} * {total_height:.2f} mm') @@ -112,7 +112,7 @@ def do_line(x0, y0, x1, y1, off_x=0, off_y=0): xy(x1+off_x, y1+off_y), layer='Edge.Cuts', stroke=pcb.Stroke(width=0.15))) -if v_cuts: +if do_v_cuts: for y in range(rows): for off_y in [0, tile_height]: y_pos = y0 + tooling_border + cut_gap + off_y + y*coil_pitch_v @@ -247,33 +247,45 @@ corner_y0 = y0 + tooling_border + cut_gap/2 corner_x1 = x0 + total_width - tooling_border - cut_gap/2 corner_y1 = y0 + total_height - tooling_border - cut_gap/2 -# Corners -draw_corner(corner_x0, corner_y0, 'YNNY') -draw_corner(corner_x0, corner_y1, 'YYNN') -draw_corner(corner_x1, corner_y0, 'NNYY') -draw_corner(corner_x1, corner_y1, 'NYYN') - -# Top / bottom V rail L junctions -for x in range(1, cols): - draw_corner(corner_x0 + x*coil_pitch_h - cut_gap - vrail_width, corner_y0, 'NNYY') - draw_corner(corner_x0 + x*coil_pitch_h, corner_y0, 'YNNY') - - draw_corner(corner_x0 + x*coil_pitch_h - cut_gap - vrail_width, corner_y1, 'NYYN') - draw_corner(corner_x0 + x*coil_pitch_h, corner_y1, 'YYNN') - -# Left / right T junctions -for y in range(1, rows): - draw_corner(corner_x0, corner_y0 + y*coil_pitch_v, 'YYNY') - draw_corner(corner_x1, corner_y0 + y*coil_pitch_v, 'NYYY') +if do_cut_gaps: + # Corners + draw_corner(corner_x0, corner_y0, 'YNNY') + draw_corner(corner_x0, corner_y1, 'YYNN') + draw_corner(corner_x1, corner_y0, 'NNYY') + draw_corner(corner_x1, corner_y1, 'NYYN') -# Middle T junctions -for y in range(1, rows): + # Top / bottom T junctions for x in range(1, cols): - draw_corner(corner_x0 + x*coil_pitch_h - cut_gap - vrail_width, corner_y0 + y*coil_pitch_v, 'NYYY') - draw_corner(corner_x0 + x*coil_pitch_h, corner_y0 + y*coil_pitch_v, 'YYNY') + draw_corner(corner_x0 + x*coil_pitch_h, corner_y0, 'YYNY') + draw_corner(corner_x0 + x*coil_pitch_h, corner_y1, 'NYYY') + + # Left / right T junctions + for y in range(1, rows): + draw_corner(corner_x0, corner_y0 + y*coil_pitch_v, 'YYNY') + draw_corner(corner_x1, corner_y0 + y*coil_pitch_v, 'NYYY') + + # Middle X junctions + for y in range(1, rows): + for x in range(1, cols): + draw_corner(corner_x0 + x*coil_pitch_h, corner_y0 + y*coil_pitch_v, 'YYYY') + +else: + for layer in ('F.SilkS', 'B.SilkS'): + for x in range(0, cols+1): + cx = x0 + tooling_border + cut_gap/2 + x*coil_pitch_h + b.add(kc_gr.Line(xy(cx, corner_y0), + xy(cx, corner_y1), + layer=layer, stroke=pcb.Stroke(width=0.15))) + + for y in range(0, rows+1): + cy = y0 + tooling_border + cut_gap/2 + y*coil_pitch_v + b.add(kc_gr.Line(xy(corner_x0, cy), + xy(corner_x1, cy), + layer=layer, stroke=pcb.Stroke(width=0.15))) + # Mouse bites -if mouse_bites: +if do_mouse_bites: for x in range(0, cols): for y in range(0, rows): tile_x0 = x0 + tooling_border + cut_gap + x*coil_pitch_h @@ -311,14 +323,24 @@ for layer in ['F.SilkS', 'B.SilkS']: a = 3 timestamp = datetime.datetime.now().strftime('%Y-%m-%d') -b.add(kc_gr.Text(text=f'Planar inductor test panel {version_string} {timestamp} © 2023 Jan Götte, FG KOM, TU Darmstadt', - at=pcb.AtPos(x0 + c + a/3, y0 + c + a/3), +b.add(kc_gr.Text(text=f'Planar inductor test panel', + at=pcb.AtPos(x0 + tooling_border + cut_gap/2, y0 + c + 2*a/3), layer=kc_gr.TextLayer('F.SilkS'), effects=pcb.TextEffect( - font=pcb.FontSpec(size=xy(a, a), + font=pcb.FontSpec(face="Inter Semi Bold", + size=xy(6*a/3, 6*a/3), thickness=a/5), justify=pcb.Justify(h=pcb.Atom.left, v=pcb.Atom.top)))) +b.add(kc_gr.Text(text=f'{version_string} {timestamp} © 2023 Jan Götte, FG KOM, TU Darmstadt', + at=pcb.AtPos(x0 + total_width - tooling_border - cut_gap/2, y0 + c + 4*a/3), + layer=kc_gr.TextLayer('F.SilkS'), + effects=pcb.TextEffect( + font=pcb.FontSpec(face="Inter Light", + size=xy(a, a), + thickness=a/5), + justify=pcb.Justify(h=pcb.Atom.right, v=pcb.Atom.top)))) + for index, ((y, x), spec) in tqdm.tqdm(enumerate(zip(itertools.product(range(rows), range(cols)), coil_specs), start=1)): pass with tempfile.NamedTemporaryFile(suffix='.kicad_mod') as f: @@ -403,20 +425,31 @@ for index, ((y, x), spec) in tqdm.tqdm(enumerate(zip(itertools.product(range(row db.execute('INSERT INTO results(coil_id, key, value) VALUES (?, "calculated_fill_factor", ?)', (coil_id, val)) db.commit() - sz = 1.5 + sz = 2 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), + font=pcb.FontSpec(face='Inter Medium', + 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}', + b.add(kc_gr.Text(text=f'Tile {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), + font=pcb.FontSpec(face='Inter Semi Bold', + 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'{version_string} {timestamp}', + at=pcb.AtPos(tile_x0, tile_y0 - tile_height/2 + sz*2.4), + layer=kc_gr.TextLayer('B.SilkS'), + effects=pcb.TextEffect( + font=pcb.FontSpec(face='Inter Light', + size=xy(sz, sz), thickness=sz/5), justify=pcb.Justify(h=None, v=pcb.Atom.top, mirror=True)))) @@ -424,7 +457,8 @@ for index, ((y, x), spec) in tqdm.tqdm(enumerate(zip(itertools.product(range(row 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), + font=pcb.FontSpec(face='Inter Medium', + size=xy(sz, sz), thickness=sz/5), justify=pcb.Justify(h=None, v=pcb.Atom.top, mirror=False)))) @@ -440,86 +474,10 @@ for index, ((y, x), spec) in tqdm.tqdm(enumerate(zip(itertools.product(range(row 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')) - px, py, _r, _f = pads.pad(1).abs_pos - p1 = (px, py-mouse_bite_yoff) - px, py, _r, _f = pads.pad(2).abs_pos - p2 = (px, py+mouse_bite_yoff) - - p = cut_gap + 5 - q = 3 - if y == 0: - if x > 0 and x % 2 == 1: - wx, wy = p1 - 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 + 2*mouse_bite_yoff), (wy) - b.add(cad_pr.Trace(join_trace_w, p1, w5, waypoints=[w1, w2, w3, w4], orientation=['cw', 'cw', 'cw', 'cw'], side='top')) - - else: - wx, wy = p1 - w1 = (wx + p), (wy - q) - w2 = (wx + p), (wy - coil_pitch_v + pad_pitch + q) - w3 = wx, (wy - coil_pitch_v + pad_pitch + 2*mouse_bite_yoff) - b.add(cad_pr.Trace(join_trace_w, p1, w3, waypoints=[w1, w2], orientation=['cw', 'cw', 'cw'], side='bottom')) - - if y == rows-1: - if x > 0 and x % 2 == 0: - wx, wy = p2 - 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 + 2*mouse_bite_yoff), (wy) - b.add(cad_pr.Trace(join_trace_w, p2, w5, waypoints=[w1, w2, w3, w4], orientation=['ccw', 'ccw', 'ccw', 'ccw', 'cw'], side='top')) - - elif x == 0: - wx, wy = p2 - 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, p2, w5, waypoints=[w1, w2], orientation=['ccw', 'cw', 'ccw'], side='bottom')) - - if y == 0 and x == cols-1: - wx, wy = p1 - 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, p1, 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), + b.add(kc_gr.Rectangle(start=xy(wx-k/2, wy-pad_pitch-k/2), end=xy(wx+k/2, wy-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') |