Files
agent/packages/usb/write-config.js
2018-04-01 01:13:17 +02:00

49 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 offset = 0;
let configBuffer = fs.readFileSync(configBin);
let chunkSizeToRead;
(async function() {
let buffer = await uhk.writeDevice(device, [uhk.usbCommands.getDeviceProperty, uhk.devicePropertyIds.configSizes]);
const hardwareConfigMaxSize = buffer[1] + (buffer[2]<<8);
const userConfigMaxSize = buffer[3] + (buffer[4]<<8);
const configMaxSize = isHardwareConfig ? hardwareConfigMaxSize : userConfigMaxSize;
const configSize = Math.min(configMaxSize, 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 = [
...[usbCommand, chunkSizeToRead, offset & 0xff, offset >> 8],
...configBuffer.slice(offset, offset+chunkSizeToRead)
];
await uhk.writeDevice(device, buffer)
offset += chunkSizeToRead;
}
})();