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

39 lines
1.3 KiB
JavaScript
Executable File

#!/usr/bin/env node
const fs = require('fs');
const uhk = require('./uhk');
const device = uhk.getUhkDevice();
const chunkSize = 60;
const isHardwareConfig = process.argv[2] === 'h';
const configTypeString = isHardwareConfig ? 'hardware' : 'user';
let configSize;
let offset = 0;
let configBuffer = fs.readFileSync(`${configTypeString}-config.write`);
let chunkSizeToRead;
const payload = new Buffer([
uhk.usbCommands.getProperty,
isHardwareConfig
? uhk.systemPropertyIds.hardwareConfigSize
: uhk.systemPropertyIds.userConfigSize
]);
device.write(uhk.getTransferData(payload));
let buffer = Buffer.from(device.readSync());
configSize = buffer[1] + (buffer[2]<<8);
console.log(`${configTypeString}configSize:`, configSize);
while (offset < configSize) {
const usbCommand = isHardwareConfig ? uhk.usbCommands.writeHardwareConfig : uhk.usbCommands.writeUserConfig;
chunkSizeToRead = Math.min(chunkSize, configSize - offset);
buffer = Buffer.concat([
new Buffer([usbCommand, chunkSizeToRead, offset & 0xff, offset >> 8]),
configBuffer.slice(offset, offset+chunkSizeToRead)
]);
console.log('write-config-chunk:', uhk.bufferToString(buffer));
device.write(uhk.getTransferData(buffer));
device.readSync();
offset += chunkSizeToRead;
}