Files
agent/packages/usb/write-config.js

55 lines
1.6 KiB
JavaScript
Executable File

#!/usr/bin/env node
const program = require('commander');
const fs = require('fs');
const uhk = require('./uhk');
const device = uhk.getUhkDevice();
require('shelljs/global');
program
.usage(`config.bin`)
.option('-h, --hardware-config', 'Write the hardware config instead of the user config')
.parse(process.argv);
if (program.args.length == 0) {
console.error('No binary config file specified.');
exit(1);
}
const configBin = program.args[0];
const chunkSize = 60;
const isHardwareConfig = program.hardwareConfig;
const configTypeString = isHardwareConfig ? 'hardware' : 'user';
let configSize;
let offset = 0;
let configBuffer = fs.readFileSync(configBin);
let chunkSizeToRead;
const payload = new Buffer([
uhk.usbCommands.getProperty,
isHardwareConfig
? uhk.systemPropertyIds.hardwareConfigSize
: uhk.systemPropertyIds.userConfigSize
]);
device.write(uhk.getTransferData(payload));
let buffer = Buffer.from(device.readSync());
configSize = Math.min(buffer[1] + (buffer[2]<<8), configBuffer.length);
while (offset < configSize) {
const usbCommand = isHardwareConfig ? uhk.usbCommands.writeHardwareConfig : uhk.usbCommands.writeStagingUserConfig;
chunkSizeToRead = Math.min(chunkSize, configSize - offset);
if (chunkSizeToRead === 0) {
break;
}
buffer = Buffer.concat([
new Buffer([usbCommand, chunkSizeToRead, offset & 0xff, offset >> 8]),
configBuffer.slice(offset, offset+chunkSizeToRead)
]);
device.write(uhk.getTransferData(buffer));
device.readSync();
offset += chunkSizeToRead;
}