기초 임베디드 실험 발표 : Node.js 소스

var express = require('express');
var app = express();
var http = require('http').createServer(app);
var SerialPort = require('serialport');
var port = new SerialPort('COM6',{baudRate: 115200});
var socketio = require('socket.io');

var Readline = require('@serialport/parser-readline');
var parser = new Readline();

var arduino_string;

var server_ID = "a";
var server_PSW = "a";
var client_id_psw;

var io = socketio.listen(http);
io.on('connection', function(socket){
    console.log('connection');
    
    socket.on('client_ID+PSW',function(data){
        client_id_psw = data;
        
        if(client_id_psw == (server_ID+server_PSW))
        {
            //socket.emit('server_login',"로그인 성공");
            port.pipe(parser);
            parser.on('data',function(data2){
                arduino_string = data2;
                socket.emit('server_login', data2);
                if(data2 < 20){
                    socket.emit('server_login', "\n Danger!! ");
                }
            });
        }
        else{
            socket.emit('server_login',"로그인 실패");
        }
    });
});

app.get('/', function(req,res){
    res.sendfile(__dirname + '/test1.html');
});


    
http.listen(4000, function(){
    console.log('Example app listening on port 4000');
});