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[abcip] AbCip — LINT/ULINT 64-bit fidelity #317

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dohertj2 merged 1 commits from auto/abcip/1.1 into auto/driver-gaps 2026-04-25 12:47:19 -04:00
Conversation 0 Commits 1 Files Changed 3 +8 -4
3 changed files with 8 additions and 4 deletions
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5
src/ZB.MOM.WW.OtOpcUa.Driver.AbCip/AbCipDataType.cs
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@@ -50,11 +50,12 @@ public static class AbCipDataTypeExtensions
AbCipDataType.Bool => DriverDataType.Boolean,
AbCipDataType.SInt or AbCipDataType.Int or AbCipDataType.DInt => DriverDataType.Int32,
AbCipDataType.USInt or AbCipDataType.UInt or AbCipDataType.UDInt => DriverDataType.Int32,
AbCipDataType.LInt or AbCipDataType.ULInt => DriverDataType.Int32, // TODO: Int64 — matches Modbus gap
AbCipDataType.LInt => DriverDataType.Int64,
AbCipDataType.ULInt => DriverDataType.UInt64,
AbCipDataType.Real => DriverDataType.Float32,
AbCipDataType.LReal => DriverDataType.Float64,
AbCipDataType.String => DriverDataType.String,
AbCipDataType.Dt => DriverDataType.Int32, // epoch-seconds DINT
AbCipDataType.Dt => DriverDataType.Int64, // Logix v32+ DT == LINT epoch-millis
AbCipDataType.Structure => DriverDataType.String, // placeholder until UDT PR 6 introduces a structured kind
_ => DriverDataType.Int32,
};

4
src/ZB.MOM.WW.OtOpcUa.Driver.AbCip/LibplctagTagRuntime.cs
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@@ -50,7 +50,7 @@ internal sealed class LibplctagTagRuntime : IAbCipTagRuntime
AbCipDataType.Real => _tag.GetFloat32(offset),
AbCipDataType.LReal => _tag.GetFloat64(offset),
AbCipDataType.String => _tag.GetString(offset),
AbCipDataType.Dt => _tag.GetInt32(offset),
AbCipDataType.Dt => _tag.GetInt64(offset),
AbCipDataType.Structure => null,
_ => null,
};
@@ -105,7 +105,7 @@ internal sealed class LibplctagTagRuntime : IAbCipTagRuntime
_tag.SetString(0, Convert.ToString(value) ?? string.Empty);
break;
case AbCipDataType.Dt:
_tag.SetInt32(0, Convert.ToInt32(value));
_tag.SetInt64(0, Convert.ToInt64(value));
break;
case AbCipDataType.Structure:
throw new NotSupportedException("Whole-UDT writes land in PR 6.");

3
tests/ZB.MOM.WW.OtOpcUa.Driver.AbCip.Tests/AbCipDriverTests.cs
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@@ -124,8 +124,11 @@ public sealed class AbCipDriverTests
{
AbCipDataType.Bool.ToDriverDataType().ShouldBe(DriverDataType.Boolean);
AbCipDataType.DInt.ToDriverDataType().ShouldBe(DriverDataType.Int32);
AbCipDataType.LInt.ToDriverDataType().ShouldBe(DriverDataType.Int64);
AbCipDataType.ULInt.ToDriverDataType().ShouldBe(DriverDataType.UInt64);
AbCipDataType.Real.ToDriverDataType().ShouldBe(DriverDataType.Float32);
AbCipDataType.LReal.ToDriverDataType().ShouldBe(DriverDataType.Float64);
AbCipDataType.String.ToDriverDataType().ShouldBe(DriverDataType.String);
AbCipDataType.Dt.ToDriverDataType().ShouldBe(DriverDataType.Int64);
}
}