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56870afa · Szabó, Gabriel · e92a1a5c · 56870afa
Commit 56870afa authored 9 months ago by Szabó, Gabriel
--- a/webpage/templates/page2.html
+++ b/webpage/templates/page2.html
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Spectrum</title>
+    <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css">
+    <script src="https://cdn.jsdelivr.net/npm/chart.js"></script>
+    <style>
+        body, html {
+            margin: 0;
+            padding: 0;
+            height: 90%;
+        }
+        canvas {
+            width: 95%;
+            height: 90%;
+        }
+    </style>
+</head>
+<body>
+    <nav class="navbar navbar-expand-lg navbar-light bg-light" id="navbar">
+        <a class="navbar-brand" href="#">MODUMIN</a>
+        <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarNav" aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">
+            <span class="navbar-toggler-icon"></span>
+        </button>
+        <div class="collapse navbar-collapse" id="navbarNav">
+            <ul class="navbar-nav">
+                <li class="nav-item">
+                    <a class="nav-link" href="/">Home</a>
+                </li>
+                <li class="nav-item">
+                    <a class="nav-link" href="/page1">Midi note</a>
+                </li>
+                <li class="nav-item active">
+                    <a class="nav-link" href="/page2">Spectrum</a>
+                </li>
+            </ul>
+        </div>
+        <div class="ml-auto">
+            <span class="navbar-text">
+                Pico IP: {{ pico_ip }}
+            </span>
+        </div>
+    </nav>
+    
+    <canvas id="myChart"></canvas>
+    
+    <script>
+        document.addEventListener('DOMContentLoaded', function() {
+            var ctx = document.getElementById('myChart').getContext('2d');
+            var myChart = new Chart(ctx, {
+                type: 'bar', 
+                data: {
+                    labels: [],
+                    datasets: [{
+                        label: 'Spectrum',
+                        data: [],
+                        borderColor: 'black',
+                        backgroundColor: 'black', 
+                        borderWidth: 1
+                    }]
+                },
+                options: {
+                    responsive: true,
+                    maintainAspectRatio: false,
+                    scales: {
+                        xAxes: [{
+                            type: 'linear',
+                            display: true,
+                            scaleLabel: {
+                                display: true,
+                                labelString: 'Frequency (Hz)'
+                            },
+                            ticks: {
+                                min: 20, // Hz
+                                max: 15000, // Hz
+                                callback: function(value, index, values) {
+                                    return Math.round(value) + ' Hz';
+                                }
+                            },
+                            gridLines: {
+                                display: false
+                            }
+                        }],
+                        yAxes: [{
+                            display: true,
+                            ticks: {
+                                beginAtZero: true,
+                                suggestedMax: 40 
+                            }
+                        }]
+                    }
+                }
+            });
+    
+            function updateChart() {
+                fetch('/page2_data')
+                    .then(response => {
+                        if (!response.ok) {
+                            throw new Error('Network response was not ok ' + response.statusText);
+                        }
+                        return response.text();
+                    })
+                    .then(data => {
+                        console.log('Fetched data:', data);
+                        if (data.includes('Error')) {
+                            throw new Error(data);
+                        }
+                        const values = data.split(',').map(value => parseFloat(value.trim()));
+                        if (values.length === 0 || values.some(isNaN)) {
+                            throw new Error('Invalid data format');
+                        }
+    
+                        const labels = Array.from(Array(values.length).keys()).map((_, index) => index * Math.round(30000 / 4096));
+                        console.log('Parsed labels:', labels);
+                        console.log('Parsed values:', values);
+                        myChart.data.labels = labels;
+                        myChart.data.datasets[0].data = values;
+                        myChart.update();
+                    })
+                    .catch(error => console.error('Error fetching or processing data:', error));
+            }
+    
+            // Update the chart every 500ms
+            setInterval(updateChart, 500);
+        });
+    </script>
+</body>
+</html>