Firmware Update
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- System
-Restart
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- Reset Config
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- Status
@@ -177,13 +133,13 @@
var unused_values = {};
- DataView.prototype.setChar = function (pos, char) {
+ DataView.prototype.setChar = function(pos, char) {
this.setInt8(pos++, char.charCodeAt(0));
return pos;
};
- DataView.prototype.setString = function (pos, str) {
- for (var i = 0; i < str.length; i++) {
+ DataView.prototype.setString = function(pos, str) {
+ for(var i = 0; i < str.length; i++) {
this.setInt8(pos++, str.charCodeAt(i));
}
this.setInt8(pos++, 0);
@@ -213,9 +169,6 @@
chart.streamTo(canvas, 500);
}
- var receive_chunk_confirmation = () => {
- };
-
function onMessage(evt) {
retries = 0;
if (typeof evt.data == 'string') {
@@ -237,9 +190,7 @@
if (cmd === 'G')
console.log("LED switched", val);
- else if (cmd === 'F') {
- receive_chunk_confirmation(dv);
- } else if (cmd === 'V') {
+ else if (cmd === 'V') {
voltage.innerHTML = (val * 13 / 1024).toFixed(2);
series.append(new Date().getTime(), val);
} else
@@ -276,7 +227,7 @@
}
function wsWrite(data) {
- //console.info(buf2hex(data));
+ console.info(buf2hex(data));
if (ws.readyState === 3 || retries++ > 5)
wsOpen();
else if (ws.readyState === 1)
@@ -295,105 +246,6 @@
startPolling();
}
- var makeCRCTable = function () {
- var c;
- var crcTable = [];
- for (var n = 0; n < 256; n++) {
- c = n;
- for (var k = 0; k < 8; k++) {
- c = ((c & 1) ? (0xEDB88320 ^ (c >>> 1)) : (c >>> 1));
- }
- crcTable[n] = c;
- }
- return crcTable;
- }
-
- var crc32 = function (buf) {
- const bufview = new DataView(buf);
- var crcTable = window.crcTable || (window.crcTable = makeCRCTable());
- var crc = 0 ^ (-1);
-
- for (var i = 0; i < bufview.byteLength; i++) {
- crc = (crc >>> 8) ^ crcTable[(crc ^ bufview.getInt8(i)) & 0xFF];
- }
-
- return (crc ^ (-1)) >>> 0;
- };
-
- var firmware_file;
-
- function load_firmware(evt) {
- var file = evt.target.files[0];
- if (!file) {
- return;
- }
- var reader = new FileReader();
- reader.onload = function (e) {
- firmware_file = e.target.result;
- document.getElementById("transmit_firmware").disabled = false;
- };
- reader.readAsArrayBuffer(file)
- }
-
- const chunk_size = 512;
-
- function transmit_firmware_chunk(buf, i) {
- return new Promise((resolve, reject) => {
- const begin = i * chunk_size;
- const end = Math.min((i + 1) * chunk_size, buf.byteLength);
- const slice = buf.slice(begin, end)
- var header = new ArrayBuffer(12);
- var headerview = new DataView(header);
- headerview.setChar(0, 'F');
- headerview.setInt16(4, i);
- headerview.setInt16(6, (end - begin));
- headerview.setInt32(8, crc32(slice));
- var frame = new Uint8Array(12 + slice.byteLength);
- frame.set(new Uint8Array(header), 0);
- frame.set(new Uint8Array(slice), 12);
- receive_chunk_confirmation = (dv) => {
- setTimeout(() => {
- resolve(i);
- }, 50);
- }
- setTimeout(() => {
- reject(i);
- }, 2000);
- wsWrite(frame.buffer);
- });
- }
-
- function transmit_firmware_final(buf, hash) {
- return new Promise((resolve, reject) => {
- var frame = new ArrayBuffer(12);
- var headerview = new DataView(frame);
- headerview.setChar(0, 'C');
- headerview.setInt32(4, buf.byteLength);
- headerview.setInt32(8, hash);
- receive_chunk_confirmation = (dv) => {
- resolve(i);
- }
- setTimeout(() => {
- reject(i);
- }, 500);
- wsWrite(frame);
- });
- }
-
- function transmit_firmware(evt) {
- console.log("transmit_firmware begin");
- if (firmware_file) {
- (async () => {
- const ash = crc32(firmware_file);
- for (var i = 0; i * chunk_size < firmware_file.byteLength; i++) {
- await transmit_firmware_chunk(firmware_file, i);
- }
- await transmit_firmware_final(firmware_file, crc32(firmware_file));
- })().then(() => {
- console.log("transmit_firmware done");
- })
- }
- }