R2：底板 / 刀片布局布线脚本、快照、截图与规划文档更新（含外壳、打印件、布线归档）
Co-Authored-By: Claude Opus 5.5 <[email protected]>
这个提交包含在：
zhou yang
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# -*- coding: utf-8 -*-
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u"""服务器上一次做完「剩 3 只被围死的脚」（2026-09-11 混合布线收尾，用户选「拆邻线重排」）：
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DCDC_ROUTE_SERVER=1 /root/pypy/bin/pypy3 .claude/r2/fix3.py [--fence-y1 35.0]
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读 _board_for_nets.json（板上快照）+ _base_preroute_0911.json（UP 两端预布段 / 孔），写 _fix3.out.json
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1. UP 中心线重布（up_route.route_centerline，pitch 0.52），L1 上 J37 北排上方加禁区 (48, 33.0)~(62, FENCE_Y1)：
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UP 在这一段北移，给 J37.19 的 +5V 留出沿北排焊盘顶上走到 J37.32 的带子。障碍 = 板上除 UP 以外的全部铜。
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2. 板面数据里的 UP 换成新 UP（+ 预布两端段 / 孔）。
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3. 拆 U32 南 / 西南区的 strap 网（全是自动布线的短线）。
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4. 按序补：+5V（J37.19）→ +3V3_HUB（C744.1 那块）→ CFGSEL0 → 拆掉的 strap 网（route_nets 的连通块 + 代表焊盘 + route_one）。
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输出：新 UP、各网新增线 / 孔、被拆的网、每个网布前 / 布后的连通块数。本机拿去离线复核后再删旧加新。
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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_base as R # noqa: E402
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import up_route as UPR # noqa: E402
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import route_nets as RN # noqa: E402
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RT = R.RT
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UP = ('UP_DP', 'UP_DM')
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RIP = ['$4N596', '$4N597', '$4N598', '$4N602', '$4N603', 'CFGSEL1', 'NONREM0', 'NONREM1', 'VBUS_DET']
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ORDER = [('+5V', 0.3), ('+3V3_HUB', 0.2), ('CFGSEL0', 0.15)] + [(n, 0.15) for n in RIP]
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FENCE_Y1 = float(sys.argv[sys.argv.index('--fence-y1') + 1]) if '--fence-y1' in sys.argv else 35.0
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L = lambda s: math.hypot(s[3] - s[1], s[4] - s[2]) # noqa: E731
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def main():
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board = json.load(io.open(os.path.join(HERE, '_board_for_nets.json'), encoding='utf-8'))
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pre = json.load(io.open(os.path.join(HERE, '_base_preroute_0911.json'), encoding='utf-8'))
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pads = R.load_pads()
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logs = []
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seg_all = [tuple(s[:7]) for s in board['segs']]
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via_all = [tuple(v[:3]) for v in board['vias']]
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if '--no-up' in sys.argv:
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# UP 不动（整板障碍下中心线找不到通道，2026-09-11 两种禁区都失败）：只拆 strap 网、按序补
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# --rip A,B,... 只拆这些网（默认 RIP 全拆）；--order A,B,... 补网顺序（默认 +3V3_HUB → CFGSEL0 → 拆掉的网）
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rip = sys.argv[sys.argv.index('--rip') + 1].split(',') if '--rip' in sys.argv else list(RIP)
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wid = dict(ORDER)
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if '--order' in sys.argv:
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order = [(n, wid.get(n, 0.15)) for n in sys.argv[sys.argv.index('--order') + 1].split(',')]
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else:
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order = [('+3V3_HUB', 0.2), ('CFGSEL0', 0.15)] + [(n, 0.15) for n in rip]
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segs = [s for s in seg_all if s[6] not in rip]
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vias = [v for v in via_all if v[2] not in rip]
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print(u'拆：%s；顺序：%s' % (' '.join(rip), ' '.join(n for n, _w in order)))
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out = {}
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for net, w in order:
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groups = RN.components(net, pads, segs, vias)
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if len(groups) < 2:
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print(u'%-9s 已连通，跳过' % net)
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continue
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lg = []
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s, v = R.route_one(net, RN.reps(groups), w, pads, [x for x in segs if x[0] in (1, 2)], vias, [], lg)
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segs += [tuple(x) for x in s]
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vias += [tuple(x) for x in v]
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after = len(RN.components(net, pads, segs, vias))
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out[net] = {'segs': [list(x) for x in s], 'vias': [list(x) for x in v], 'before': len(groups), 'after': after}
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print(u'%-9s %d 块 → %d 块；新增 %d 段 %.1f mm / %d 孔（线宽 %.2f）%s'
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% (net, len(groups), after, len(s), sum(L(x) for x in s), len(v), w, (u'；' + '；'.join(lg)) if lg else ''))
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bad = [n for n, o in out.items() if o['after'] > 1]
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print(u'仍断开：%s' % (' '.join(bad) or u'无'))
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io.open(os.path.join(HERE, '_fix3.out.json'), 'w', encoding='utf-8').write(json.dumps(
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{'ok': True, 'up_new': None, 'rip': rip, 'order': [n for n, _w in order], 'nets': out, 'bad': bad},
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ensure_ascii=False))
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return
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# ── 1. UP 中心线重布（障碍 = 板上除 UP 以外的铜）
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obs_s = [s for s in seg_all if s[0] in (1, 2) and s[6] not in UP]
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obs_v = [v for v in via_all if v[2] not in UP]
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UPR.PITCH = 0.52
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UPR.EXTRA_FENCE = [(1, (48.0, 33.0, 62.0, FENCE_Y1))]
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pad_pen, layer_dir = RT.PAD_PEN, RT.LAYER_DIR
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RT.PAD_PEN, RT.LAYER_DIR = R.DP_PAD_PEN, {}
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try:
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up_new, _ = UPR.route_centerline(pads, obs_s, obs_v, pre, logs)
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finally:
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RT.PAD_PEN, RT.LAYER_DIR = pad_pen, layer_dir
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if not up_new:
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print(u'UP 中心线重布失败：%s' % logs)
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io.open(os.path.join(HERE, '_fix3.out.json'), 'w', encoding='utf-8').write(json.dumps({'ok': False, 'logs': logs}))
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return
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worst, pair = UPR.check(up_new, obs_s, obs_v, pads)
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lens = {n: sum(L(s) for s in up_new if s[6] == n) + sum(L(s) for s in pre['segs'] if s[6] == n) for n in UP}
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print(u'UP 重布：DP %.1f / DM %.1f mm（差 %.2f），对异网最小 %.3f（%s），对内 %.3f；禁区 y 33.0~%.2f'
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% (lens['UP_DP'], lens['UP_DM'], abs(lens['UP_DP'] - lens['UP_DM']), worst[0], worst[1], pair, FENCE_Y1))
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# ── 2. 板面换成新 UP；3. 拆 strap 网
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up_stub_s = [tuple(s[:7]) for s in pre['segs'] if s[6] in UP]
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up_stub_v = [tuple(v[:3]) for v in pre['vias'] if v[2] in UP]
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segs = [s for s in seg_all if s[6] not in UP and s[6] not in RIP] + up_stub_s + [tuple(s) for s in up_new]
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vias = [v for v in via_all if v[2] not in UP and v[2] not in RIP] + up_stub_v
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# ── 4. 按序补
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out, before = {}, {}
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for net, w in ORDER:
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groups = RN.components(net, pads, segs, vias)
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before[net] = len(groups)
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if len(groups) < 2:
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print(u'%-9s 已连通，跳过' % net)
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continue
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ps = RN.reps(groups)
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lg = []
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s, v = R.route_one(net, ps, w, pads, [x for x in segs if x[0] in (1, 2)], vias, [], lg)
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segs += [tuple(x) for x in s]
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vias += [tuple(x) for x in v]
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after = len(RN.components(net, pads, segs, vias))
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out[net] = {'segs': [list(x) for x in s], 'vias': [list(x) for x in v], 'before': len(groups), 'after': after}
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print(u'%-9s %d 块 → %d 块；新增 %d 段 %.1f mm / %d 孔（线宽 %.2f）%s'
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% (net, len(groups), after, len(s), sum(L(x) for x in s), len(v), w, (u'；' + '；'.join(lg)) if lg else ''))
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logs += lg
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bad = [n for n, o in out.items() if o['after'] > 1]
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print(u'仍断开：%s' % (' '.join(bad) or u'无'))
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io.open(os.path.join(HERE, '_fix3.out.json'), 'w', encoding='utf-8').write(json.dumps(
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{'ok': True, 'up_new': [list(s) for s in up_new], 'rip': RIP, 'nets': out, 'before': before, 'bad': bad,
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'logs': logs, 'fence_y1': FENCE_Y1, 'up_worst': worst, 'up_pair': pair}, ensure_ascii=False))
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if __name__ == '__main__':
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main()
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