Updates

mipi_test_interactive.py

@@ -646,7 +646,7 @@ def _fetch_registers(ts: str, iteration: int) -> None:
         print(f"  REGISTERS: SN65DSI83 error — {e}")
         combined["sn65"] = None
 
-    # SN65DSI83 post-restart settling poll
+    # SN65DSI83 post-restart settling poll + register snapshots
     try:
         resp = requests.get(f"{DEVICE_BASE}/sn65_settling", timeout=10)
         resp.raise_for_status()
@@ -656,13 +656,14 @@ def _fetch_registers(ts: str, iteration: int) -> None:
         n     = settling.get("n_readings", 0)
         n_err = settling.get("n_error", 0)
         dur   = settling.get("duration_s", 0)
+
+        # ── csr_e5 error summary ──────────────────────────────────────────
         if n_err:
-            # Print the first and last error readings for quick diagnosis
             err_readings = [r for r in settling.get("readings", []) if r.get("any_error")]
             times = [r["t_ms"] for r in err_readings]
             print(f"  SN65 SETTLING: *** {n_err}/{n} readings had csr_e5 errors "
                   f"over {dur:.1f} s  (t={times[0]:.0f}–{times[-1]:.0f} ms) ***")
-            for r in err_readings[:3]:   # show up to first 3 error readings
+            for r in err_readings[:3]:
                 print(f"    t={r['t_ms']:6.1f} ms  csr_0a={r['csr_0a']}  "
                       f"csr_e5={r['csr_e5']}  "
                       f"pll={'Y' if r['pll_lock'] else 'N'}  "
@@ -672,6 +673,30 @@ def _fetch_registers(ts: str, iteration: int) -> None:
                             if r.get("clk_det") is False)
             print(f"  SN65 SETTLING: no csr_e5 errors in {n} readings over {dur:.1f} s"
                   + (f"  ({clk_false} readings with clk_det=False)" if clk_false else ""))
+
+        # ── Register snapshot: print start values and flag any changes ───
+        snap_start = settling.get("snapshot_start") or {}
+        snap_end   = settling.get("snapshot_end")   or {}
+        changed    = settling.get("changed_regs")   or {}
+
+        if snap_start:
+            print(f"  SN65 REGS (t=0):", end="")
+            # Print a compact one-liner of key config registers
+            _key = ["0x0d", "0x10", "0x11", "0x18", "0x19", "0x1a", "0x1b",
+                    "0x3c", "0xe0", "0xe1"]
+            parts = []
+            for r in _key:
+                info = snap_start.get(r, {})
+                parts.append(f"{info.get('name','?')}={info.get('value','?')}")
+            print("  " + "  ".join(parts))
+
+        if changed:
+            print(f"  SN65 REGS CHANGED during settling window ({len(changed)} registers):")
+            for reg, diff in changed.items():
+                print(f"    {reg} {diff['name']:16s}  {diff['start']} → {diff['end']}")
+        elif snap_start:
+            print(f"  SN65 REGS: stable (no register changes between t=0 and t={dur:.1f}s)")
+
     except requests.exceptions.RequestException as e:
         print(f"  REGISTERS: settling poll fetch failed — {e}")
         combined["sn65_settling"] = None