#!/usr/bin/env node const uhk = require('./uhk'); const device = uhk.getUhkDevice(); const sendData = Buffer.concat([new Buffer([uhk.usbCommands.switchKeymap, 3]), new Buffer('TES')]); console.log(sendData) device.write(uhk.getTransferData(sendData)); const response = Buffer.from(device.readSync()); console.log(response);