-
Notifications
You must be signed in to change notification settings - Fork 0
/
app.js
85 lines (80 loc) · 2.99 KB
/
app.js
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
var app = require('express')();
var http = require('http').Server(app);
var io = require('socket.io')(http);
const dgram = require('dgram');
const server = dgram.createSocket('udp4');
server.on('error', (err) => {
console.log(`server error:\n${err.stack}`);
server.close();
});
server.on('listening', () => {
var address = server.address();
console.log(`server listening ${address.address}:${address.port}`);
});
server.bind(5555);
app.get('/', function (req, res) {
res.sendFile(__dirname + '/index.html');
});
io.on('connection', function (socket) {
console.log('a user connected');
server.on('message', (msg, rinfo) => {
msg = String.fromCharCode.apply(null, new Uint8Array(msg));
var sensorData = {};
var messages = msg.split(',');
messages.shift();
for (var i = 0; i < messages.length; i = i + 4) {
if (messages[i] == 3) {
var acc = {};
acc.x = parseFloat(messages[i + 1].trim());
acc.y = parseFloat(messages[i + 2].trim());
acc.z = parseFloat(messages[i + 3].trim());
sensorData.accelerometer = acc;
} else if (messages[i] == 4) {
var gyro = {};
gyro.x = parseFloat(messages[i + 1].trim());
gyro.y = parseFloat(messages[i + 2].trim());
gyro.z = parseFloat(messages[i + 3].trim());
sensorData.gyroscope = gyro;
} else if (messages[i] == 5) {
var magne = {};
magne.x = parseFloat(messages[i + 1].trim());
magne.y = parseFloat(messages[i + 2].trim());
magne.z = parseFloat(messages[i + 3].trim());
sensorData.magnetometer = magne;
} else if (messages[i] == 81) {
var orientation = {};
orientation.x = parseFloat(messages[i + 1].trim());
orientation.y = parseFloat(messages[i + 2].trim());
orientation.z = parseFloat(messages[i + 3].trim());
sensorData.orientation = orientation;
} else if (messages[i] == 82) {
var linearAcceleration = {};
linearAcceleration.x = parseFloat(messages[i + 1].trim());
linearAcceleration.y = parseFloat(messages[i + 2].trim());
linearAcceleration.z = parseFloat(messages[i + 3].trim());
sensorData.linearAcceleration = linearAcceleration;
} else if (messages[i] == 83) {
var gravity = {};
gravity.x = parseFloat(messages[i + 1].trim());
gravity.y = parseFloat(messages[i + 2].trim());
gravity.z = parseFloat(messages[i + 3].trim());
sensorData.gravity = gravity;
} else if (messages[i] == 84) {
var rotation = {};
rotation.x = parseFloat(messages[i + 1].trim());
rotation.y = parseFloat(messages[i + 2].trim());
rotation.z = parseFloat(messages[i + 3].trim());
sensorData.rotation = rotation;
} else {
console.log(messages[i]);
}
}
socket.emit('message', sensorData);
});
socket.on('disconnect', function () {
console.log('user disconnected');
});
});
http.listen(3000, function () {
console.log('listening on *:3000');
});