ESP32_ChinaDieselHeater_Con.../Arduino/BTCDieselHeater/data/uploadfirmware.html

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2.7 KiB
HTML

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8"/>
<script>
// global variables
var sendSize;
var Socket;
function _(el) {
return document.getElementById(el);
}
function init() {
Socket = new WebSocket('ws://' + window.location.hostname + ':81/');
Socket.onmessage = function(event){
var response = JSON.parse(event.data);
var key;
for(key in response) {
console.log("JSON decode:", key, response[key]);
switch(key) {
case "progress":
// actual data bytes received as fed back via web socket
var bytes = response[key];
_("loaded_n_total").innerHTML = "Uploaded " + bytes + " bytes of " + sendSize;
var percent = Math.round( 100 * (bytes / sendSize));
_("progressBar").value = percent;
_("status").innerHTML = percent+"% uploaded.. please wait";
break;
}
}
}
}
function uploadFile() {
var file = _("file1").files[0];
sendSize = file.size;
var formdata = new FormData();
formdata.append("update", file);
var ajax = new XMLHttpRequest();
// progress is handled via websocket JSON sent from controller
// using server side progress only shows the buffer filling, not actual delivery.
ajax.addEventListener("load", completeHandler, false);
ajax.addEventListener("error", errorHandler, false);
ajax.addEventListener("abort", abortHandler, false);
ajax.open("POST", "/updatenow");
ajax.send(formdata);
}
function completeHandler(event) {
console.log(event);
_("status").innerHTML = event.target.responseText;
_("progressBar").value = 0;
_("loaded_n_total").innerHTML = "Uploaded " + sendSize + " bytes of " + sendSize;
setTimeout(function () {
window.location.assign("/");
}, 5000);
}
function errorHandler(event) {
console.log(event);
_("status").innerHTML = "Upload Failed";
}
function abortHandler(event) {
console.log(event);
_("status").innerHTML = "Upload Aborted";
}
</script>
<style>
body {font-family: Arial, Helvetica, sans-serif;}
</style>
<title>Afterburner firmware update</title>
</head>
<body onload="javascript:init()">
<h1>Afterburner firmware update</h1>
<form id='upload_form' method='POST' enctype='multipart/form-data'>
<input type='file' name='file1' id='file1'> <BR>
<input type='button' value='Update' onclick="uploadFile()">
<progress id="progressBar" value="0" max="100" style="width:300px;"></progress><BR>
<h3 id="status"></h3>
<p id="loaded_n_total"></p>
<BR>
<input type='button' onclick=window.location.assign("/") value='Cancel'>
</form>
</body>
</html>