commit fea0a87c03d986fb12451df48758fd5c5215198c
Author: Michael Scheidel <michael.scheidel@scheidel.biz>
Date:   Tue Nov 4 15:54:47 2025 +0100

    java-scripts/Traccar Logging: E 300 de.js hinzugefügt

diff --git a/java-scripts/Traccar Logging: E 300 de.js b/java-scripts/Traccar Logging: E 300 de.js
new file mode 100644
index 0000000..3f6d925
--- /dev/null
+++ b/java-scripts/Traccar Logging: E 300 de.js	
@@ -0,0 +1,153 @@
+/***********************************************
+ * E 300
+ * ioBroker → Traccar (OwnTracks über HTTP, Port 5144)
+ * sendet NUR bei Positionsänderung + mit Speed + Battery
+ * DEBOUNCE: Lat/Lon werden zusammengefasst, um Tearing zu vermeiden
+ ***********************************************/
+const http = require("http");
+
+// === Grundkonfiguration ===
+const TRACCAR_HOST = "192.168.2.125";   // IP oder Hostname deines Traccar
+const TRACCAR_PORT = 5144;              // OwnTracks-Port
+const DEVICE_TID   = "EQA";             // in Traccar muss das Gerät so heißen!
+
+// === ioBroker-Datenpunkte ===
+const LAT_STATE = "mercedesme.0.W1N9N0KB9TJ192372.state.positionLat.doubleValue";
+const LON_STATE = "mercedesme.0.W1N9N0KB9TJ192372.state.positionLong.doubleValue";
+const SPD_STATE = "mercedesme.0.W1N9N0KB9TJ192372.state.speedUnitFromIC.doubleValue";
+const BAT_STATE = "mercedesme.0.W1N9N0KB9TJ192372.state.soc.displayValue";
+
+// === Sende- und Bewegungsparameter ===
+const SEND_INTERVAL_SECONDS = 180;   // periodische Sicherung
+const MIN_DISTANCE_METERS   = 15;    // minimale Bewegung
+const DEBOUNCE_MS           = 700;   // Wartezeit, um Lat/Lon gemeinsam zu lesen
+const MAX_TS_SKEW_MS        = 2000;  // max. Zeitdifferenz zwischen Lat- und Lon-ts
+
+// interne Speicherung der letzten gesendeten Position
+let lastLat = null;
+let lastLon = null;
+
+// Debounce-Handling
+let debounceTimer = null;
+
+// Distanzberechnung (Haversine)
+function distanceMeters(lat1, lon1, lat2, lon2) {
+  const R = 6371000;
+  const toRad = v => v * Math.PI / 180;
+  const dLat = toRad(lat2 - lat1);
+  const dLon = toRad(lon2 - lon1);
+  const a = Math.sin(dLat/2)**2 +
+            Math.cos(toRad(lat1)) * Math.cos(toRad(lat2)) *
+            Math.sin(dLon/2)**2;
+  return R * 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1 - a));
+}
+
+function readNumeric(id) {
+  const s = getState(id);
+  if (!s) return { val: null, ts: 0 };
+  const v = (s.val === null || s.val === undefined) ? null : Number(s.val);
+  return { val: Number.isFinite(v) ? v : null, ts: s.ts || 0 };
+}
+
+// sendet – **ohne** Debounce – mit den aktuellsten, zusammengehörigen Werten
+function sendOwntracks(force = false) {
+  const { val: lat, ts: tsLat } = readNumeric(LAT_STATE);
+  const { val: lon, ts: tsLon } = readNumeric(LON_STATE);
+  const { val: speed }          = readNumeric(SPD_STATE);
+  const { val: batt }           = readNumeric(BAT_STATE);
+
+  if (lat == null || lon == null) {
+    log("OwnTracks→Traccar: ungültige Koordinaten – sende nicht", "warn");
+    return;
+  }
+
+  // Prüfe, ob Lat/Lon zeitlich „zusammen gehören“
+  const skew = Math.abs(tsLat - tsLon);
+  if (!force && skew > MAX_TS_SKEW_MS) {
+    // Lat/Lon kamen zeitversetzt rein → nochmal kurz warten/sammeln
+    log(`OwnTracks→Traccar: Lat/Lon ts-skew ${skew}ms > ${MAX_TS_SKEW_MS}ms – sende später.`, "info");
+    scheduleDebounced(); // neu sammeln
+    return;
+  }
+
+  // Bewegung checken
+  if (!force && lastLat !== null && lastLon !== null) {
+    const dist = distanceMeters(lastLat, lastLon, lat, lon);
+    if (dist < MIN_DISTANCE_METERS) {
+      log(`OwnTracks→Traccar: keine relevante Bewegung (${dist.toFixed(1)} m) – nichts gesendet.`);
+      return;
+    }
+    // Optionaler Ausreißer-Filter: Distanz absurd groß? (z.B. >5 km seit letztem Punkt)
+    if (dist > 5000) {
+      log(`OwnTracks→Traccar: Ausreißer verworfen (${dist.toFixed(0)} m).`, "warn");
+      return;
+    }
+  }
+
+  const tst = Math.floor(Date.now() / 1000);
+
+  const data = {
+    "_type": "location",
+    "lat": lat,
+    "lon": lon,
+    "tid": DEVICE_TID,
+    "tst": tst,
+    "acc": 5
+  };
+  if (Number.isFinite(speed)) data.vel  = speed;
+  if (Number.isFinite(batt))  data.batt = batt;
+
+  const payload = JSON.stringify(data);
+
+  const options = {
+    host: TRACCAR_HOST,
+    port: TRACCAR_PORT,
+    path: "/",
+    method: "POST",
+    headers: {
+      "Content-Type": "application/json",
+      "Content-Length": Buffer.byteLength(payload),
+      "Connection": "close"
+    }
+  };
+
+  const req = http.request(options, res => {
+    let body = "";
+    res.on("data", chunk => body += chunk);
+    res.on("end", () => {
+      log(`OwnTracks→Traccar: gesendet lat=${lat}, lon=${lon}, status=${res.statusCode}, vel=${Number.isFinite(speed)?speed:"-"}, batt=${Number.isFinite(batt)?batt:"-"}`);
+      if (body && body.trim()) log("OwnTracks→Traccar: Antwort: " + body);
+      lastLat = lat;
+      lastLon = lon;
+    });
+  });
+
+  req.on("error", err => log("OwnTracks→Traccar: HTTP-Fehler: " + err, "error"));
+  req.write(payload);
+  req.end();
+}
+
+// Debounce-Planer: sammelt Lat+Lon kurz, bevor gesendet wird
+function scheduleDebounced() {
+  if (debounceTimer) {
+    clearTimeout(debounceTimer);
+    debounceTimer = null;
+  }
+  debounceTimer = setTimeout(() => {
+    debounceTimer = null;
+    sendOwntracks(false);
+  }, DEBOUNCE_MS);
+}
+
+// === Intervall + Trigger ===
+// periodischer Sicherungs-Check (falls mal kein Trigger käme)
+setInterval(() => sendOwntracks(false), SEND_INTERVAL_SECONDS * 1000);
+
+// bei Änderung von Lat ODER Lon nur debouncen (nicht sofort senden)
+on({ id: LAT_STATE, change: "ne" }, scheduleDebounced);
+on({ id: LON_STATE, change: "ne" }, scheduleDebounced);
+
+// erstes Mal sofort senden
+sendOwntracks(true);
+
+log(`OwnTracks→Traccar-Sender gestartet (Debounce ${DEBOUNCE_MS}ms, max ts-skew ${MAX_TS_SKEW_MS}ms, Δdist ≥ ${MIN_DISTANCE_METERS}m, Intervall ${SEND_INTERVAL_SECONDS}s).`);