libusb/usb.c

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/*
* 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);
}