/*
 * usb.c
 *
 *  Created on: 12 июл. 2022 г.
 *      Author: alexander
 */

#include <libusb-1.0/libusb.h>
#include <stdio.h>

void printUSB(libusb_device *dev)
{
    struct libusb_device_descriptor desc;
    struct libusb_config_descriptor *config;
    const struct libusb_interface *inter;
    const struct libusb_interface_descriptor *interdesc;
    const struct libusb_endpoint_descriptor *epdesc;
    int r = libusb_get_device_descriptor(dev, &desc);

    if (r < 0)
    {
        fprintf(stderr, "Ошибка: дескриптор устройства не получен, код: %d.\n", r);
        return;
    }

    libusb_get_config_descriptor(dev, 0, &config);
    for (int i = 0; i < (int) config->bNumInterfaces; i++)
    {
        inter = &config->interface[i];
        for (int j = 0; j < inter->num_altsetting; j++)
        {
            interdesc = &inter->altsetting[j];
            if (interdesc->bInterfaceClass == LIBUSB_CLASS_MASS_STORAGE)
            {
                fprintf(stdout, "0x%04X:0x%04X\n", desc.idVendor, desc.idProduct);
            }
        }
    }
    libusb_free_config_descriptor(config);
}