Add a reset feature to mobile app which allows the device to be reset to the default settings (direction forward, exposure 630 and delay 0).

app/www/index.html

@@ -80,6 +80,12 @@
 		<button id="wifi" class="" onclick="mobile.setWifi();">CONNECT</button>
 		<button id="wifiRefresh" class="" onclick="mobile.getWifi();">REFRESH WIFI</button>
 	</div>
+	<div class="ble">
+		<br />
+		<button id="reset" onclick="mobile.reset();">RESET</button>
+		<button id="restart" onclick="mobile.restart();">RESTART</button>
+		<button id="update" onclick="mobile.update();">UPDATE</button>
+	</div>
 </div>
 <!--<div id="mscript" class="page">
 	<h2>MSCRIPT</h2>

app/www/static/css/index.css

@@ -412,3 +412,7 @@ span.pos{
 body.mobile footer{
     display: block;
 }
+
+#reset{
+    margin-top: 60px;
+}

app/www/static/js/intval.mobile.js

@@ -289,9 +289,11 @@ mobile.sequence = function () {
 			stringToBytes(JSON.stringify(opts)), //check length?
 			mobile.sequenceSuccess,
 			mobile.ble.onError);
+
 	if (!elem.classList.contains('focus')) {
 		elem.classList.add('focus');
 	}
+
 	mobile.ble.active = true;
 };
 
@@ -596,6 +598,25 @@ mobile.EV = function (fstop, shutter) {
 	return Math.log(square / sec);
 };
 
+mobile.reset = function () {
+	const reset = confirm(`Reset INTVAL3 to default settings?`);
+	if (!reset) return false;
+	let opts = {
+		type : 'reset'
+	};
+	ble.write(mobile.ble.device.id,
+		mobile.ble.SERVICE_ID,
+		mobile.ble.CHAR_ID,
+		stringToBytes(JSON.stringify(opts)),
+		mobile.resetSuccess,
+		mobile.ble.onError);
+};
+
+mobile.resetSuccess = function () {
+	console.log('Reset to default settings');
+	mobile.getState();
+};
+
 /** 
  *  Mobile helper functions
  */