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[twincat] TwinCAT — Bit-indexed BOOL writes (RMW) #307

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opened 2026-04-25 12:34:34 -04:00 by dohertj2 · 2 comments
dohertj2 commented 2026-04-25 12:34:34 -04:00
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Auto-managed PR — Mode B (autonomous)

Driver: twincat Phase: 1 Plan PR: 1.3
Plan: docs/plans/twincat-plan.md
Effort: S Cross-driver: False

Summary

Replace NotSupportedException at AdsTwinCATClient.cs:99 with read-modify-write on parent word; serialize concurrent bit writes via keyed SemaphoreSlim.

Source files

  • src/ZB.MOM.WW.OtOpcUa.Driver.TwinCAT/AdsTwinCATClient.cs

Docs

  • docs/Driver.TwinCAT.Cli.md
  • docs/drivers/TwinCAT-Test-Fixture.md

Branch: auto/twincat/1.3. Target: auto/driver-gaps.

<!-- queue-meta {"id": "twincat-1.3", "driver": "twincat", "phase": 1, "plan_pr_id": "1.3", "deps": [], "cross_driver": false} --> ## Auto-managed PR — Mode B (autonomous) **Driver**: `twincat` **Phase**: `1` **Plan PR**: `1.3` **Plan**: [`docs/plans/twincat-plan.md`](docs/plans/twincat-plan.md) **Effort**: `S` **Cross-driver**: `False` ## Summary Replace NotSupportedException at AdsTwinCATClient.cs:99 with read-modify-write on parent word; serialize concurrent bit writes via keyed SemaphoreSlim. ## Source files - `src/ZB.MOM.WW.OtOpcUa.Driver.TwinCAT/AdsTwinCATClient.cs` ## Docs - `docs/Driver.TwinCAT.Cli.md` - `docs/drivers/TwinCAT-Test-Fixture.md` --- _Branch: `auto/twincat/1.3`. Target: `auto/driver-gaps`._
dohertj2 added the phase/1auto-manageddriver/twincatqueue/queued labels 2026-04-25 12:34:34 -04:00
dohertj2 added queue/in-progress and removed queue/queued labels 2026-04-25 17:19:59 -04:00
dohertj2 commented 2026-04-25 17:20:02 -04:00
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🤖 Auto-loop picked this up. Branch: auto/twincat/1.3. Status: in-progress.

🤖 Auto-loop picked this up. Branch: `auto/twincat/1.3`. Status: in-progress.
dohertj2 added queue/done and removed queue/in-progress labels 2026-04-25 17:25:25 -04:00
dohertj2 commented 2026-04-25 17:25:25 -04:00
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✅ Auto-loop completed. Merged via PR #343.

✅ Auto-loop completed. Merged via PR #343.
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Reference: dohertj2/lmxopcua#307
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