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function delay(ms) {
return new Promise(resolve => setTimeout(resolve, ms));
}
async function waitUbootStop(writer, reader) {
const interval = setInterval(function() {
writer.write(String.fromCharCode(3));
}, 10);
while (true) {
const { value, done } = await reader.read();
if (value.startsWith('U-Boot')) {
loading("Root in progress: Trigger characters received. DO NOT TOUCH THE HUAWEI MA5671A UNTIL THE PROCEDURE IS COMPLETED!",0);
await delay(5000);
clearInterval(interval);
break;
}
}
}
async function checkUbootUnlocked(reader) {
while (true) {
try {
const { value, done } = await Promise.race([
reader.read(),
new Promise((_, reject) => setTimeout(reject, 2000, new Error("timeout")))
]);
if (value.startsWith('Press SPACE to delay and Ctrl-C to abort autoboot')) {
return true;
}
} catch (err) {
return false;
}
}
}
async function waitFailbackShell(writer, reader) {
while (true) {
const { value, done } = await reader.read();
if (value.startsWith('Press the [f] key and hit [enter] to enter failsafe mode')) {
const interval = setInterval(function() {
writer.write('f\n');
}, 10);
loading("Root in progress: Trigger characters received. Waiting for boot to end...",1);
await delay(3000);
clearInterval(interval);
break;
}
}
const interval = setInterval(function() {
writer.write(String.fromCharCode(10));
}, 10);
while (true) {
const { value, done } = await reader.read();
if (value.includes('root@(none)')) {
await delay(1000);
clearInterval(interval);
break;
}
}
}
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