89 行
4.3 KiB
Python
89 行
4.3 KiB
Python
# -*- coding: utf-8 -*-
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u"""D16：把一个网里孤立的小块接到本网**已有的铜**上（不必落在某只焊盘上）—— 服务器跑。
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DCDC_ROUTE_SERVER=1 /root/pypy/bin/pypy3 .claude/r2/d16_tap.py NET [--extra 结果文件 ...] [--w 0.2]
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route_nets 每块只挑一只焊盘当代表，大块挑中的那只脚出不来就整网失败（2026-09-12 SDA：U13.4 出不来）。
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这里小块照旧用焊盘；大块改用本网已有线段上每 0.5 mm 取的点当虚拟焊盘，按离小块由近到远逐个试，接上即停。
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--extra：本机还没下发的结果（如刚布好的 SCL）一并当障碍。写 _d16_tap.out.json。
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"""
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import io
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import json
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import math
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import os
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import sys
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if os.environ.get('DCDC_ROUTE_SERVER') != '1':
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sys.exit(u'!! 布线运算只在服务器上跑（DCDC_ROUTE_SERVER=1），见 CLAUDE.md')
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if '--grid' not in sys.argv:
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sys.argv += ['--grid', '0.125']
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HERE = os.path.dirname(os.path.abspath(__file__))
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sys.path.insert(0, os.path.dirname(HERE))
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sys.path.insert(0, HERE)
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import route_nets as N # noqa: E402
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R = N.R
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TRIES = 30
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def main():
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skip = {k + 1 for k, a in enumerate(sys.argv) if a in ('--extra', '--w', '--grid')}
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net = [a for k, a in enumerate(sys.argv) if k >= 1 and k not in skip and not a.startswith('--')][0]
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w = float(sys.argv[sys.argv.index('--w') + 1]) if '--w' in sys.argv else 0.2
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b = json.load(io.open(os.path.join(HERE, '_board_for_nets.json'), encoding='utf-8'))
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segs = [tuple(s[:7]) for s in b['segs']]
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vias = [tuple(v[:3]) for v in b['vias']]
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for k, a in enumerate(sys.argv):
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if a == '--extra':
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e = json.load(io.open(os.path.join(HERE, sys.argv[k + 1]), encoding='utf-8'))
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segs += [tuple(s[:7]) for s in e['segs']]
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vias += [tuple(v[:3]) for v in e['vias']]
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pads = [p for p in R.load_pads() if not str(p[1]).endswith(R.TH_SUFFIX)]
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groups = sorted(N.components(net, pads, segs, vias), key=len)
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print(u'%s：%d 块，小块 %s' % (net, len(groups), ['%s.%s' % (q[0], q[1]) for q in groups[0]]))
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if len(groups) < 2:
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return
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sp = groups[0][0]
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cand = []
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for s in segs:
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if s[6] != net or s[0] not in (1, 2):
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continue
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n = max(1, int(math.hypot(s[3] - s[1], s[4] - s[2]) / 0.5))
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for k in range(n + 1):
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x, y = s[1] + (s[3] - s[1]) * k / n, s[2] + (s[4] - s[2]) * k / n
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cand.append((math.hypot(x - sp[2], y - sp[3]), s[0], round(x, 3), round(y, 3), s[5]))
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# 本网的过孔也当落点（两个外层各一块 0.6 焊盘）：大块有的地方只靠内层线连着（EasyEDA 自动布线留在 L2/L3 的 SDA），
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# 外层上一根本网的线都没有，只有孔 —— 2026-09-12 SDA 第一版只取外层线段上的点，候选全在 45 mm 外、全不通
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for v in vias:
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if v[2] == net:
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for l in (1, 2):
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cand.append((math.hypot(v[0] - sp[2], v[1] - sp[3]), l, round(v[0], 3), round(v[1], 3), 0.6))
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cand.sort()
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picked = []
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for c in cand:
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if all(math.hypot(c[2] - p[2], c[3] - p[3]) > 1.0 or c[1] != p[1] for p in picked):
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picked.append(c)
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if len(picked) >= TRIES:
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break
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out = {'net': net, 'segs': [], 'vias': [], 'tries': [], 'logs': []}
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for d, l, x, y, ww in picked:
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vp = ['#tap', '1', x, y, max(ww, 0.2), max(ww, 0.2), l, net, 'RECT']
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N.INNER[:] = [s for s in segs if s[0] in (15, 16)]
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obst = [s for s in segs if s[0] in (1, 2)]
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lg = []
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s2, v2 = R.route_one(net, [sp, vp], w, pads + [vp], obst, vias, [], lg)
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after = N.components(net, pads, segs + [tuple(q) for q in s2], vias + [tuple(q) for q in v2])
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ok = len(after) < len(groups)
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out['tries'].append([round(d, 2), l, x, y, ok, len(s2), len(v2)])
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print(u' 试 L%s (%.2f,%.2f) 距 %.1f：%s' % (l, x, y, d, u'接上（%d 段 / %d 孔）' % (len(s2), len(v2)) if ok else u'不通'))
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if ok:
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out['segs'] = [list(q) for q in s2]
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out['vias'] = [list(q) for q in v2]
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out['logs'] = lg
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break
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io.open(os.path.join(HERE, '_d16_tap.out.json'), 'w', encoding='utf-8').write(json.dumps(out, ensure_ascii=False))
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if __name__ == '__main__':
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main()
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