node-serial-gui/index.html at master · zlalanne/node-serial-gui · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <meta name="description" content="">
    <meta name="author" content="">

    <title>MSP430 GUI</title>

    <!-- Bootstrap core CSS -->
    <link href="assets/bootstrap/dist/css/bootstrap.min.css" rel="stylesheet">

    <!-- HTML5 shim and Respond.js IE8 support of HTML5 elements and media queries -->
    <!--[if lt IE 9]>
    <script src="https://oss.maxcdn.com/libs/html5shiv/3.7.0/html5shiv.js"></script>
    <script src="https://oss.maxcdn.com/libs/respond.js/1.4.2/respond.min.js"></script>
    <![endif]-->
</head>

<body>
    <div class="container">
        <h1>Choose Serial Port</h1>
        <form class="form" id="serialForm">
            <div class="form-group">
                <div class="col-md-6">
                    <select class="form-control" id="formData">
                        <option class="form-control" value="one">One</option>
                        <option class="form-control" value="two">Two</option>
                        <option class="form-control" value="three">Three</option>
                        <option class="form-control" value="four">Four</option>
                        <option class="form-control" value="five">Five</option>
                    </select>
                </div>
                <button type="submit" class="btn btn-default">Connect</button>
            </div>
        </form>
        <h1>Incoming Data</h1>
        <div id="graph" style="width:100%; height:400px;"></div>
    </div>
    <script src="assets/jquery/dist/jquery.min.js"></script>
    <script src="assets/bootstrap/dist/js/bootstrap.min.js"></script>
    <script src="assets/flot/jquery.flot.js"></script>
    <script src="assets/flot/jquery.flot.resize.js"></script>
    <script src="assets/flot/jquery.flot.time.js"></script>
    <script type="text/javascript">

        var graph = function(port) {

        var data = [];
        var data_counter = 0;
        var time_len = 10000;
        var update_interval = 40;
        var data_len = parseInt(time_len / update_interval);
        var last_data_point = 0;

        var no_data = true;
        var stop_timer = false;

        var options = {
            series: {
                shadowSize: 0 // Drawing is faster without shadows
            },
            xaxis: {
                mode: 'time',
                timeformat: '%M:%S'
            },
            colors: ['#049cdb']
        }

        var plot = $.plot("#graph", [], options);

        var interval = 0;

        var timer = function() {
            if(stop_timer) {
                clearInterval(interval);
                return;
            }

            var t = Date.now();
            if(data.length >= data_len) {
                data = data.slice(1);
            }

            data.push([t, last_data_point]);
            plot.setData([data]);
            plot.setupGrid();
            plot.draw();
        };

        port.on('data', function(data) {
            last_data_point = data;
            if(no_data) {
                no_data = false;
                timer();
                interval = setInterval(function() {
                    timer();
                }, update_interval);
            }
            console.log("data received: " + data);
        });
    };

        // Getting the COM ports available
        var serialPort = require("serialport");
        serialPort.list(function (err, ports) {
            var html = "";
            ports.forEach(function(port) {
                html += "<option value=\"" + port.comName + "\">" + port.comName +"</option>\n";
            });
            $("#formData").html(html);
        });

        var SerialPort = require("serialport").SerialPort;
        $("#serialForm").submit(function(event) {
          portNum = $("#formData").val();
          var port = new SerialPort(portNum, {
            baudrate: 9600
          });
          port.on("open", function() {
            console.log('open');
            graph(port);
          });
          console.log("Got here");
          event.preventDefault();
      });
    </script>
</body>
</html>