100 lines
No EOL
2.5 KiB
JavaScript
100 lines
No EOL
2.5 KiB
JavaScript
"use strict";
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function savePatch(ev) {
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let text = document.getElementById("patch")
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localStorage["UF2_PATCH"] = text.value
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}
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function restorePatch() {
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let text = document.getElementById("patch")
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text.value = localStorage["UF2_PATCH"] || ""
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document.getElementById("apply").onclick = applyPatch
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}
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function download(buf, name) {
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let blob = new Blob([buf], {
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type: "application/x-uf2"
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});
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let url = URL.createObjectURL(blob);
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let a = document.createElement("a");
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document.body.appendChild(a);
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a.style = "display: none";
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a.href = url;
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a.download = name;
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a.click();
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window.URL.revokeObjectURL(url);
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}
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let currUF2 = null
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let currUF2Name = ""
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function showMSG() {
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if (infoMsg)
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document.getElementById("currconfig").textContent = infoMsg
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}
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function wrap(f) {
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try {
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infoMsg = ""
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f()
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showMSG()
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} catch (e) {
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log("Exception: " + e.message)
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showMSG()
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}
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}
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function defines() {
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download(configkeysH(), "configkeys.h")
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}
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function applyPatch() {
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wrap(() => {
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let text = document.getElementById("patch")
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let newcfg = text.value.trim()
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if (!currUF2)
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log("You have to drop a UF2 or BIN file with bootloader above before applying patches.")
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else if (!newcfg)
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log("You didn't give any patch to apply.")
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else {
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let buf = currUF2.slice()
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let changes = patchConfig(buf, newcfg)
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if (!changes) {
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log("No changes.")
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} else {
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log("\nChanges:\n" + changes)
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log("Downloading " + currUF2Name)
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download(buf, currUF2Name)
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}
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}
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})
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}
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function dropHandler(ev) {
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ev.preventDefault();
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for (let i = 0; i < ev.dataTransfer.items.length; i++) {
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if (ev.dataTransfer.items[i].kind === 'file') {
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let file = ev.dataTransfer.items[i].getAsFile();
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let reader = new FileReader();
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reader.onload = e => {
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wrap(() => {
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let buf = new Uint8Array(reader.result)
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let cfg = readConfig(buf)
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currUF2 = buf
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infoMsg = ""
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currUF2Name = file.name
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document.getElementById("currconfig").textContent = cfg
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})
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}
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reader.readAsArrayBuffer(file);
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break
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}
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}
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}
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function dragOverHandler(ev) {
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ev.preventDefault();
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ev.dataTransfer.dropEffect = 'copy';
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} |