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fix(V4B): V4.36.40 — 短路级热切换线圈死锁修复

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用户实测: <20µH 短路级强制断开后, 不断电换正常线圈不恢复(拨码不重启), 只能断电.
根因: 强制期 ISR 847 每5ms压 LOOP_OK=0 → vd1_task 停摆 → Origin/LPCNT 冻结在旧短路线圈值;
      recover 用 calc_freq_khz(冻结Origin,LPCNT) 判回窗永远>171k → 死锁.
修复: recover 恢复判定改 TMR3 捕获 ISR 实时 Xn (f=240000/Xn, 每振荡周期新鲜);
      换线圈后 f 回窗连续5s → 实时置档 → ISR 847 停压 LOOP_OK 自然回位 →
      主循环 0→1 沿检测自动发起 reconnect confirmed → 无车判稳门控 → Origin 判稳重建.
spec V2.58 / devlog V2.76
语法0 error, 4测试全绿
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wangfq
2026-09-09 11:16:10 +08:00
parent b4aa7402a5
commit 41a4577fa7
4 changed files with 19 additions and 8 deletions
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docs/devlog.md
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@@ -2151,6 +2151,7 @@ if (dev >= dlt_ORG × 4) {
| 版本 | 时间 | 说明 |
|------|------|------|
| V2.76 | 2026-09-08 | V4.36.40 热切换修复: fault3 强制期 Origin/LPCNT 冻结 → recover 改 TMR3 实时 Xn 判回窗(240000/Xn); 恢复后 LOOP_OK 回位自动发起重连确认+判稳重建 Origin, 换线圈不断电 ~6s 自愈 |
| V2.75 | 2026-09-08 | V4.36.39: COIL_UNDER_MIN_AS_OPEN 默认 0→1 (用户拍板) —— L<20µH 短路级出厂等同断开 |
| V2.74 | 2026-09-08 | V4.36.38: fault2 可用级黄灯 疾闪100ms → 一长两短(900/300/100/300/100/700ms 6相, 用户定) |
| V2.73 | 2026-09-08 | V4.36.37 电感分级降级(方案A): fault2=156~171k疾闪100ms恒判车 / fault3=f>171k短路级断开快闪(宏作用域移171k), recover 实时置档 |