Better auto-reconnect, flip Y by default

air-mouse.ino

@@ -759,7 +759,7 @@ void loop() {
     flags |= 0x01;
   } else {
     float rawX = applyAcceleration(applyCurve(-fGz * cfg.sensitivity * dt));
-    float rawY = applyAcceleration(applyCurve( fGy * cfg.sensitivity * dt));
+    float rawY = applyAcceleration(applyCurve(-fGy * cfg.sensitivity * dt));
     if (cfg.axisFlip & 0x01) rawX = -rawX;
     if (cfg.axisFlip & 0x02) rawY = -rawY;
     accumX += rawX; accumY += rawY;

web-config.html

@@ -297,6 +297,8 @@
     <div class="status-pill" id="statusPill"><div class="dot"></div><span id="statusText">DISCONNECTED</span></div>
     <button class="btn btn-connect"    id="connectBtn"    onclick="doConnect()"><span>Connect</span></button>
     <button class="btn btn-disconnect" id="disconnectBtn" onclick="doDisconnect()" style="display:none"><span>Disconnect</span></button>
+    <label class="toggle" title="Auto-Reconnect" style="margin-left:6px;flex-shrink:0"><input type="checkbox" id="autoReconnect"><div class="toggle-track"></div><div class="toggle-thumb"></div></label>
+    <span style="font-family:var(--mono);font-size:9px;color:var(--label);white-space:nowrap">AUTO-RECONNECT</span>
   </div>
 </header>
 
@@ -456,7 +458,7 @@ const CHR = {
 // Local shadow of the current config (kept in sync with device)
 const config = { sensitivity:600, deadZone:0.06, accelStrength:0.08, curve:0, axisFlip:0, chargeMode:1 };
 
-let device=null, server=null, chars={};
+let device=null, server=null, chars={}, userDisconnected=false;
 let currentChargeStatus=0, currentBattPct=null;
 
 // ── Logging ──────────────────────────────────────────────────────────────────
@@ -474,6 +476,7 @@ function cssVar(n) { return getComputedStyle(document.documentElement).getProper
 // ── Connection ───────────────────────────────────────────────────────────────
 async function doConnect() {
   if (!navigator.bluetooth) { log('Web Bluetooth not supported.','err'); return; }
+  userDisconnected = false;
   setStatus('connecting');
   log('Scanning for IMU Mouse…','info');
   try {
@@ -492,7 +495,11 @@ async function doConnect() {
 }
 
 function doDisconnect() {
-  if (device && device.gatt.connected) { log('Disconnecting…','warn'); device.gatt.disconnect(); }
+  if (device && device.gatt.connected) {
+    userDisconnected = true;
+    log('Disconnecting…','warn');
+    device.gatt.disconnect();
+  }
 }
 
 async function discoverServices() {
@@ -744,6 +751,7 @@ function setStatus(state) {
 }
 function onDisconnected() {
   log('Device disconnected','warn');
+  const savedDevice = device;
   chars={}; device=null; server=null;
   setStatus('disconnected');
   document.getElementById('battBar').style.display='none';
@@ -751,6 +759,23 @@ function onDisconnected() {
   document.getElementById('badgeFull').classList.remove('show');
   document.getElementById('vizLive').classList.remove('on');
   clearTelemetry();
+  if (!userDisconnected && document.getElementById('autoReconnect').checked && savedDevice) {
+    log('Auto-reconnecting…','info');
+    setTimeout(async () => {
+      try {
+        setStatus('connecting');
+        server = await savedDevice.gatt.connect();
+        device = savedDevice;
+        userDisconnected = false;
+        log('GATT reconnected','ok');
+        await discoverServices();
+        setStatus('connected');
+        log('Ready','ok');
+      } catch(e) { log(`Reconnect failed: ${e.message}`,'err'); setStatus('disconnected'); }
+    }, 1000);
+  } else {
+    userDisconnected = false;
+  }
 }
 
 // ── IMU Stream + Visualiser ──────────────────────────────────────────────────