#include <iostream>

/*S::S()
{
    int r = libusb_init(&ctx);
    if (r < 0)
    {
        std::cout << libusb_error_name(r) << std::endl;
        exit(1);
    }
    libusb_device **list;
    ssize_t cnt = libusb_get_device_list(ctx, &list);

    for (ssize_t i = 0; i < cnt; i++)
    {
        libusb_device *device = list[i];
        libusb_device_descriptor desc;
        libusb_get_device_descriptor(device, &desc);
        if ((desc.idProduct == 0x2f || desc.idProduct == 0x2e) && desc.idVendor == 0x258a)
        {
            break;
        }
    }
}*/