Old stuff USB Webmail Notifier #LibUsbDotNet

UsbWebmailNotifier.cs

using LibUsbDotNet.LibUsb;
using LibUsbDotNet.Main;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading;

namespace UsbWebmailNotifier
{
    class Program
    {
        static void Main(string[] args)
        {
            const ushort VID = 0x1294;
            const ushort PID = 0x1320;

            using IUsbContext usb = new UsbContext();
            
            var dev = usb.List()
                .FirstOrDefault(device => device.ProductId == PID && device.VendorId == VID);

            if (dev == null) {
                Console.WriteLine("Webmail Notifier not found :(");
                goto fin;
            }

            dev.Open();

            dev.ClaimInterface(dev.Configs[0].Interfaces[0].Number);
            var writer = dev.OpenEndpointWriter(WriteEndpointID.Ep02); // (WriteEndpointID) 129

            var cmd = new Dictionary<string, byte[]> {
                ["off"] =     new byte[]{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
                ["green"] =   new byte[]{ 0x01, 0x00, 0x00, 0x00, 0x00, 0x00 },
                ["red"] =     new byte[]{ 0x02, 0x00, 0x00, 0x00, 0x00, 0x00 },
                ["blue"] =    new byte[]{ 0x03, 0x00, 0x00, 0x00, 0x00, 0x00 },
                ["cyan"] =    new byte[]{ 0x04, 0x00, 0x00, 0x00, 0x00, 0x00 },
                ["yellow"] =  new byte[]{ 0x05, 0x00, 0x00, 0x00, 0x00, 0x00 },
                ["magenta"] = new byte[]{ 0x06, 0x00, 0x00, 0x00, 0x00, 0x00 },
                ["white"] =   new byte[]{ 0x07, 0x00, 0x00, 0x00, 0x00, 0x00 },
            };

            while (!Console.KeyAvailable) {
                we(cmd["off"]);
                Thread.Sleep(500);

                if (Console.KeyAvailable)
                    break;

                we(cmd["red"]);
                Thread.Sleep(500);
            }

            we(cmd["off"]);
            dev.Close();

            fin:
            Console.WriteLine("Press Enter to exit...");
            Console.ReadLine();

            void we(byte[] buffer)
            {
                writer.Write(buffer, 100, out int writen);
                Console.WriteLine($"Written {writen} bytes");
            }
        }
    }
}