Files
agent/packages/usb/jump-to-bootloader.js

43 lines
1.2 KiB
JavaScript
Executable File

#!/usr/bin/env node
let uhk = require('./uhk');
let timeoutMs = 10000;
let pollingIntervalMs = 100;
let bootloaderTimeoutMs = 5000;
let jumped = false;
console.log(process.argv[2])
let enumerationMode = process.argv[2] === 'buspal' ? uhk.enumerationModes.busPal : uhk.enumerationModes.bootloader;
console.log('Trying to jump to the bootloader...');
setInterval(() => {
timeoutMs -= pollingIntervalMs;
let device = uhk.getBootloaderDevice();
if (device) {
console.log('Bootloader is up');
process.exit(0);
}
if (timeoutMs <= 0) {
console.log("Couldn't jump to the bootloader");
process.exit(1);
}
device = uhk.getUhkDevice();
if (device && !jumped) {
console.log('UHK found, jumping to bootloader');
let t = bootloaderTimeoutMs;
let message = new Buffer([uhk.usbCommands.jumpToBootloader, enumerationMode, t&0xff, (t&0xff<<8)>>8, (t&0xff<<16)>>16, (t&0xff<<24)>>24]);
console.log(message);
device.write(uhk.getTransferData(message));
jumped = true;
if (enumerationMode == uhk.enumerationModes.busPal) {
process.exit();
}
}
}, pollingIntervalMs);