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javascript updates the image instead of reloading the page

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mcguirepr89
2022-04-15 13:02:36 -04:00
parent 8fbcae3012
commit 1e81748ff4
1 changed files with 11 additions and 6 deletions
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scripts/spectrogram.php
+11 -6
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@@ -1,11 +1,16 @@
<?php <?php
if (file_exists('thisrun.txt')) { if (file_exists('./scripts/thisrun.txt')) {
$config = parse_ini_file('thisrun.txt'); $config = parse_ini_file('./scripts/thisrun.txt');
} elseif (file_exists('firstrun.ini')) { } elseif (file_exists('./scripts/firstrun.ini')) {
$config = parse_ini_file('firstrun.ini'); $config = parse_ini_file('./scripts/firstrun.ini');
} }
$refresh = $config['RECORDING_LENGTH']; $refresh = $config['RECORDING_LENGTH'];
$time = time(); $time = time();
echo "<img style=\"width:100%;height:100%\" src=\"/spectrogram.png?nocache=$time\">"; echo "<img id=\"spectrogramimage\" style=\"width:100%;height:100%\" src=\"/spectrogram.png?nocache=$time\">";
header("Refresh: $refresh;");
?> ?>
<script>
// every $refresh seconds, this loop will run and refresh the spectrogram image
window.setInterval(function(){
document.getElementById("spectrogramimage").src = "/spectrogram.png?nocache="+Date.now();
}, <?php echo $refresh; ?>*1000);
</script>