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lmxopcua/src/ZB.MOM.WW.OtOpcUa.Driver.TwinCAT/ZB.MOM.WW.OtOpcUa.Driver.TwinCAT.csproj
Joseph Doherty cd2c0bcadd TwinCAT PR 1 — Scaffolding + Core (TwinCATDriver + AMS address + symbolic path). New Driver.TwinCAT project referencing Beckhoff.TwinCAT.Ads 7.0.172 (the official Beckhoff .NET client — 1.6M+ downloads, actively maintained by Beckhoff + community). Package compiles without a local AMS router; wire calls need a running router (TwinCAT XAR on dev Windows, or the standalone Beckhoff.TwinCAT.Ads.TcpRouter embedded package for headless/CI). Same Core.Abstractions-only project shape as Modbus / AbCip / AbLegacy. TwinCATAmsAddress parses ads://{netId}:{port} canonical form — NetId is 6 dot-separated octets (NOT an IP; AMS router translates), port defaults to 851 (TC3 PLC runtime 1). Validates octet range 0-255 and port 1-65535. Case-insensitive scheme. Default-port stripping in canonical form for roundtrip stability. Rejects wrong scheme, missing //, 5-or-7-octet NetId, out-of-range octets/ports, non-numeric fragments. TwinCATSymbolPath handles IEC 61131-3 symbolic names — single-segment (Counter), POU.variable (MAIN.bStart), GVL.variable (GVL.Counter), structured member access (Motor1.Status.Running), array subscripts (Data[5]), multi-dim arrays (Matrix[1,2]), bit-access (Flags.3, GVL.Status.7), combined scope/member/subscript/bit (MAIN.Motors[0].Status.5). Roundtrip-safe ToAdsSymbolName produces the exact string AdsClient.ReadValue consumes. Rejects leading/trailing dots, space in idents, digit-prefix idents, empty/negative/non-numeric subscripts, unbalanced brackets. Underscore-prefix idents accepted per IEC. TwinCATDataType — BOOL / SINT / USINT / INT / UINT / DINT / UDINT / LINT / ULINT / REAL / LREAL / STRING / WSTRING (UTF-16) / TIME / DATE / DateTime (DT) / TimeOfDay (TOD) / Structure. Wider than Logix's surface — IEC adds WSTRING + TIME/DATE/DT/TOD variants. ToDriverDataType widens unsigned + 64-bit to Int32 matching the Modbus/AbCip/AbLegacy Int64-gap convention. TwinCATStatusMapper — Good / BadInternalError / BadNodeIdUnknown / BadNotWritable / BadOutOfRange / BadNotSupported / BadDeviceFailure / BadCommunicationError / BadTimeout / BadTypeMismatch. MapAdsError covers the ADS error codes a driver actually encounters — 6/7 port unreachable, 1792 service not supported, 1793/1794 invalid index group/offset, 1798 symbol not found (→ BadNodeIdUnknown), 1807 invalid state, 1808 access denied (→ BadNotWritable), 1811/1812 size mismatch (→ BadOutOfRange), 1861 sync timeout, unknown → BadCommunicationError. TwinCATDriverOptions + TwinCATDeviceOptions + TwinCATTagDefinition + TwinCATProbeOptions — one instance supports N AMS targets, Tags cross-key by HostAddress, Probe defaults to 5s interval (unlike AbLegacy there's no default probe address — ADS probe reads AmsRouterState not a user tag, so probe address is implicit). TwinCATDriver IDriver skeleton — InitializeAsync parses each device HostAddress + fails fast on malformed strings → Faulted. 61 new unit tests across 3 files — TwinCATAmsAddressTests (6 valid shapes + 12 invalid shapes + 2 ToString canonicalisation + roundtrip stability), TwinCATSymbolPathTests (9 valid shapes + 12 invalid shapes + underscore prefix + 8-case roundtrip), TwinCATDriverTests (DriverType + multi-device init + malformed-address fault + shutdown + reinit + data-type mapping theory + ADS error-code theory). Total project count 30 src + 19 tests; full solution builds 0 errors; Modbus / AbCip / AbLegacy / other drivers untouched.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-04-19 18:26:29 -04:00

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<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<TargetFramework>net10.0</TargetFramework>
<Nullable>enable</Nullable>
<ImplicitUsings>enable</ImplicitUsings>
<LangVersion>latest</LangVersion>
<TreatWarningsAsErrors>true</TreatWarningsAsErrors>
<GenerateDocumentationFile>true</GenerateDocumentationFile>
<NoWarn>$(NoWarn);CS1591</NoWarn>
<RootNamespace>ZB.MOM.WW.OtOpcUa.Driver.TwinCAT</RootNamespace>
<AssemblyName>ZB.MOM.WW.OtOpcUa.Driver.TwinCAT</AssemblyName>
</PropertyGroup>
<ItemGroup>
<ProjectReference Include="..\ZB.MOM.WW.OtOpcUa.Core.Abstractions\ZB.MOM.WW.OtOpcUa.Core.Abstractions.csproj"/>
</ItemGroup>
<ItemGroup>
<!-- Official Beckhoff ADS client. Requires a running AMS router (TwinCAT XAR, TwinCAT HMI
Server, or the standalone Beckhoff.TwinCAT.Ads.TcpRouter package) to reach remote
systems. The router is a runtime concern, not a build concern — the library compiles
+ runs fine without one; ADS calls just fail with transport errors. -->
<PackageReference Include="Beckhoff.TwinCAT.Ads" Version="7.0.172"/>
</ItemGroup>
<ItemGroup>
<InternalsVisibleTo Include="ZB.MOM.WW.OtOpcUa.Driver.TwinCAT.Tests"/>
</ItemGroup>
</Project>