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Auto: ablegacy-13 — DH+ via 1756-DHRIO bridging validation

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Closes #256
This commit is contained in:
Joseph Doherty
2026-04-26 08:56:23 -04:00
parent 08a4db2952
commit 399257377b
8 changed files with 451 additions and 5 deletions
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11
docs/drivers/AbLegacy-Test-Fixture.md
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@@ -132,6 +132,17 @@ driver-side correctness depends on libplctag being correct.
`IPerCallHostResolver` contract is verified; real PCCC wire routing across
multiple gateways is not.
### 3a. DH+ via 1756-DHRIO bridging (PR ablegacy-13 / #256)
Unit-only — coverage lives in `AbLegacyDhPlusBridgingTests`. The CIP-path
parser positive / negative cases (octal-station validation, slot bounds, port
shape) and the PLC-5-only family guard at `InitializeAsync` are exercised
against fakes. There is no Docker fixture for DH+ because libplctag's
`ab_server` doesn't simulate the DHRIO + DH+ + PLC-5 stack — wire-level
validation requires real hardware. See
[`AbLegacy-DH-Bridging.md`](AbLegacy-DH-Bridging.md) for the manual smoke
procedure.
### 4. Alarms / history
PCCC has no alarm object + no history object. Driver doesn't implement