-
Notifications
You must be signed in to change notification settings - Fork 0
/
server.js
51 lines (48 loc) · 1.36 KB
/
server.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
var express = require('express');
var app = express();
var path = require('path');
var fs = require('fs');
var io = require('socket.io').listen(4001);
var serialport = require("serialport");
var SerialPort = serialport.SerialPort;
var serial;
io.sockets.on('connection', function (socket) {
socket.on('serial-connect', function (data) {
console.log("Connecting to serial "+ data.port +" at rate "+ data.rate);
serial = new SerialPort(data.port, {
parser: serialport.parsers.readline("\n"),
baudrate: data.rate
});
serial.on("open", function () {
serial.on('data', function(data) {
socket.emit('serial-output', { data : data });
});
socket.emit('serial-connected');
});
});
socket.on('disconnect', function() {
if(serial) {
console.log("Disconnecting serial");
serial.close();
}
});
socket.on('serial-disconnect', function() {
if(serial) {
console.log("Disconnecting serial");
serial.close();
}
});
socket.on('serial-input', function (data) {
if(serial) serial.write(data.data, function(err, results) {
socket.emit('serial-result', { err: err, results: results})
});
});
socket.on('serial-list', function() {
serialport.list(function (err, ports) {
socket.emit('serial-ports', { ports: ports });
});
});
});
app.use(express.static(path.join(__dirname, 'web')));
app.listen(4000);
console.log('Listening on port 4000');