added static Access Point and Captive Portal and some small adjustments

drive/opt/drive-ctl/server.py

@@ -5,6 +5,28 @@ import serial
 from fastapi import FastAPI, WebSocket, WebSocketDisconnect
 from fastapi.responses import HTMLResponse
 
+import time
+import logging
+
+log = logging.getLogger("drive")
+logging.basicConfig(level=logging.INFO)
+
+_last_send_t = None
+
+def log_send_timing(note: str = ""):
+    global _last_send_t
+    now = time.perf_counter()  # monotonic + hochauflösend
+    if _last_send_t is None:
+        _last_send_t = now
+        return
+    dt_ms = (now - _last_send_t) * 1000.0
+    _last_send_t = now
+
+    # Nur loggen wenn "auffällig"
+    if dt_ms > 120:
+        log.warning("SERIAL SEND GAP %.0f ms %s", dt_ms, note)
+
+
 SERIAL_PORT = "/dev/serial/by-id/usb-1a86_USB2.0-Serial-if00-port0"   # ggf. /dev/ttyUSB0
 BAUD = 115200
 
@@ -24,6 +46,7 @@ def send_lr(l: int, r: int):
   l = clamp255(l)
   r = clamp255(r)
   line = f"L {l} R {r}\n".encode("ascii")
+  log_send_timing("(before write)")
   ser.write(line)
 
 @app.get("/health")