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Auto: twincat-3.2 — cycle-time / jitter / PLC-state diagnostics

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Closes #314
This commit is contained in:
Joseph Doherty
2026-04-26 01:59:56 -04:00
parent 30e39a752a
commit 24a3cda56a
8 changed files with 642 additions and 1 deletions
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7
tests/ZB.MOM.WW.OtOpcUa.Driver.TwinCAT.IntegrationTests/TwinCatProject/README.md
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@@ -71,6 +71,13 @@ GVL_Fixture.nCounter := GVL_Fixture.nCounter + 1;
- `PlcTask` — cyclic, 10 ms interval, priority 20
- Assigned to `MAIN`
> **Note (PR 3.2 / #314)**: the probe loop also reads the four
> `TwinCAT_SystemInfoVarList` system symbols (`_AppInfo.AppName`,
> `_AppInfo.OnlineChangeCnt`, `_TaskInfo[1].CycleTime`, `_TaskInfo[1].LastExecTime`)
> per tick — they're exported by every TC3 PLC runtime, so no extra fixture state
> is required. `TwinCATDiagnosticsIntegrationTests` asserts they surface on
> `DriverHealth.Diagnostics`.
> **Note (PR 3.1 / #313)**: `GVL_Fixture.nCounter` doubles as the
> coalescing-test driver for `TwinCATMaxDelayTests`. The 10 ms cycle +
> per-cycle increment in `MAIN` means a no-coalescing subscriber sees ~100