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Firmware validation harness: instrumented RIO_TAP mash test in RioSerialMonitor

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New --mash mode (tools/RioSerialMonitor/MashTest.cs) mechanizes the
wedge-patch validation plan from RIOv4_2-ANALYSIS.md:
- Runs the live link with the app's >5s reset-recovery DISABLED so a
  board wedge stays observable, and echoes lamps on every press
  (lamp/reply collisions are the wedge trigger).
- Gap timing uses ANY AnalogReply packet (0xFE sentinels included -
  a sentinel still proves the reply path is alive); logs a gap
  histogram + top-10 longest gaps with timestamps.
- WEDGE detector: analog silent past the threshold (default 2s) ->
  beep + banner; on resume, classifies self-recovered (patched
  expectation) vs button-revived (button event within 300ms of resume,
  the unpatched signature) vs unresolved at run end.
- Board self-reported RestartCount/AbandonCount/FullBufferCount
  snapshotted before/after via CheckRequest, delta printed
  (7-bit wrap-aware).
- Fixed-layout summary teed to riomash-<label>-<stamp>.log so
  baseline-vs-patched runs diff directly. Exit 0 = no wedge, 1 = wedge.

--mash --selftest drives the whole instrument against a scripted
in-memory board (SelftestTransport) that goes silent at t=4.0s and
revives 200ms after a button at t=6.5s: verified end-to-end - alarm at
6.0s, wedge classified button-revived (2.75s), counter delta +4/+0/+1,
verdict FAIL, exit 1. Use it to sanity-check the alarm at the cabinet.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
This commit is contained in:
Cyd
2026-07-17 14:35:27 -05:00
co-authored by Claude Fable 5
parent 52712f8409
commit fcf26cfd15
5 changed files with 499 additions and 1 deletions
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tools/RioSerialMonitor/Program.cs
+7 -1
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@@ -9,7 +9,13 @@ using RioJoy.Core.Serial;
// It flashes all lamps once to prove the PC -> RIO output path, then echoes a lamp
// on each button press so a physical press lights up.
// dotnet run --project tools/RioSerialMonitor -- [port] [seconds]
// Exit: 0 = ran, 2 = could not open the port.
// Firmware wedge-patch validation (RIO_TAP mash test, see MashTest.cs):
// dotnet run --project tools/RioSerialMonitor -- --mash [port] [seconds]
// [--label baseline|patched] [--no-lamps] [--wedge seconds]
// Exit: 0 = ran, 2 = could not open the port (mash: 1 = wedge detected).
if (args.Contains("--mash"))
return await RioSerialMonitor.MashTest.RunAsync(args);
string port = args.Length > 0 ? args[0] : "COM1";
int seconds = args.Length > 1 && int.TryParse(args[1], out int s) ? s : 30;