Sequence feature for bluetooth control does NOT need to be split (yet) into start and stop. intval.mobile.js was using the incorrect callback on the sequence characteristic and should be tested before changes are made.

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

@@ -279,16 +279,19 @@ mobile.sequence = function () {
 	const opts = {
 		type : 'sequence'
 	};
+	const elem = document.getElementById('seq');
 	if (!mobile.ble.connected) {
-		return alert('Not connected to an INTVAL device.');
+		return alert('Not connected to an INTVAL3 device.');
 	}
 	ble.write(mobile.ble.device.id,
 			mobile.ble.SERVICE_ID,
 			mobile.ble.CHAR_ID,
 			stringToBytes(JSON.stringify(opts)), //check length?
-			mobile.frameSuccess,
+			mobile.sequenceSuccess,
 			mobile.ble.onError);
-	document.getElementById('seq').classList.add('focus');
+	if (!elem.classList.contains('focus')) {
+		elem.classList.add('focus');
+	}
 	mobile.ble.active = true;
 };
 
@@ -306,6 +309,7 @@ mobile.sequenceSuccess = function () {
 	}, 20);
 };
 
+
 //retreive object with list of available Wifi APs,
 //and state of current connection, if available 
 mobile.getWifi = function () {

index.js

@@ -37,6 +37,7 @@ function createServer () {
 	app.post('/frame', rFrame)
 	app.get( '/sequence', rSequence)
 	app.post('/sequence', rSequence)
+
 	app.post('/reset', rReset)
 	app.get( '/status', rStatus)
 	app.listen(PORT, () => {
@@ -54,7 +55,6 @@ function createBLE () {
 	ble.on('delay', bDelay)
 	ble.on('counter', bCounter)
 	ble.on('sequence', bSequence)
-	ble.on('stop', bSequenceStop)
 	ble.on('reset', bReset)
 }