dohertj2/histsdk
1
0
Fork 0
Code Issues Pull Requests 1 Actions Packages Projects Releases Wiki Activity

docs(write): drop UInt1 from value-layout table; mark Int8/UInt8 live-proven

Browse Source 
Removes the stale UInt1 → UInt8(1) entry from the EncodeNativeValue layout
table (UInt1 is re-gated; the prose already said so). Int8/UInt8 layout note
updated from "pending" to live-proven.

Claude-Session: https://claude.ai/code/session_012SDSQ3AcaXqPcBtDESBRii
This commit is contained in:
Joseph Doherty
2026-06-25 15:42:50 -04:00
parent aa8ca2f6ad
commit 100b44a365
1 changed files with 3 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/AVEVA.Historian.Client/Wcf/HistorianHistoricalWriteProtocol.cs
+3 -3
View File
@@ -28,13 +28,13 @@ namespace AVEVA.Historian.Client.Wcf;
/// +0x26 UInt32 0 // value high dword (constant zero)
/// +0x2A value bytes, native width by tag type:
/// Float → Float32(4) · Double → Float64(8) · Int2 → Int16(2)
/// Int4 → Int32(4) · UInt4 → UInt32(4) · UInt1 → UInt8(1)
/// Int4 → Int32(4) · UInt4 → UInt32(4)
/// Int8 → Int64(8) · UInt8 → UInt64(8)
/// </code>
///
/// Live-captured for Float/Double/Int2/Int4/UInt4; Int8/UInt8 mirror the captured
/// Double value layout (8 LE bytes) pending live round-trip. UInt1 is re-gated: the
/// historian accepts EnsureTags(UInt1) but stores a degenerate tag — writes would fail.
/// Double value layout (8 LE bytes) and are live-proven (2026-06-25). UInt1 is re-gated:
/// the historian accepts EnsureTags(UInt1) but stores a degenerate tag — writes would fail.
/// Other tag types have no captured value encoding and are rejected.
/// </remarks>
internal static class HistorianHistoricalWriteProtocol