/*
* Test suite program based of libusb-0.1-compat testlibusb
* Copyright (c) 2013 Nathan Hjelm <hjelmn@mac.ccom>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <stdio.h>
#include <string.h>
#include <libusb.h>
int verbose = 0;
static void print_endpoint_comp(const struct libusb_ss_endpoint_companion_descriptor *ep_comp)
{
printf(" USB 3.0 Endpoint Companion:\n");
printf(" bMaxBurst: %d\n", ep_comp->bMaxBurst);
printf(" bmAttributes: 0x%02x\n", ep_comp->bmAttributes);
printf(" wBytesPerInterval: %d\n", ep_comp->wBytesPerInterval);
}
static void print_endpoint(const struct libusb_endpoint_descriptor *endpoint)
{
int i, ret;
printf(" Endpoint:\n");
printf(" bEndpointAddress: %02xh\n", endpoint->bEndpointAddress);
printf(" bmAttributes: %02xh\n", endpoint->bmAttributes);
printf(" wMaxPacketSize: %d\n", endpoint->wMaxPacketSize);
printf(" bInterval: %d\n", endpoint->bInterval);
printf(" bRefresh: %d\n", endpoint->bRefresh);
printf(" bSynchAddress: %d\n", endpoint->bSynchAddress);
for (i = 0 ; i < endpoint->extra_length ; ) {
if (LIBUSB_DT_SS_ENDPOINT_COMPANION == endpoint->extra[i+1]) {
struct libusb_ss_endpoint_companion_descriptor *ep_comp;
ret = libusb_parse_ss_endpoint_comp(endpoint->extra+i, endpoint->extra[0], &ep_comp);
if (LIBUSB_SUCCESS != ret) {
continue;
}
print_endpoint_comp(ep_comp);
libusb_free_ss_endpoint_comp(ep_comp);
}
i += endpoint->extra[i];
}
}
static void print_altsetting(const struct libusb_interface_descriptor *interface)
{
int i;
printf(" Interface:\n");
printf(" bInterfaceNumber: %d\n", interface->bInterfaceNumber);
printf(" bAlternateSetting: %d\n", interface->bAlternateSetting);
printf(" bNumEndpoints: %d\n", interface->bNumEndpoints);
printf(" bInterfaceClass: %d\n", interface->bInterfaceClass);
printf(" bInterfaceSubClass: %d\n", interface->bInterfaceSubClass);
printf(" bInterfaceProtocol: %d\n", interface->bInterfaceProtocol);
printf(" iInterface: %d\n", interface->iInterface);
for (i = 0; i < interface->bNumEndpoints; i++)
print_endpoint(&interface->endpoint[i]);
}
static void print_2_0_ext_cap(struct libusb_usb_2_0_device_capability_descriptor *usb_2_0_ext_cap)
{
printf(" USB 2.0 Extension Capabilities:\n");
printf(" bDevCapabilityType: %d\n", usb_2_0_ext_cap->bDevCapabilityType);
printf(" bmAttributes: 0x%x\n", usb_2_0_ext_cap->bmAttributes);
}
static void print_ss_usb_cap(struct libusb_ss_usb_device_capability_descriptor *ss_usb_cap)
{
printf(" USB 3.0 Capabilities:\n");
printf(" bDevCapabilityType: %d\n", ss_usb_cap->bDevCapabilityType);
printf(" bmAttributes: 0x%x\n", ss_usb_cap->bmAttributes);
printf(" wSpeedSupported: 0x%x\n", ss_usb_cap->wSpeedSupported);
printf(" bFunctionalitySupport: %d\n", ss_usb_cap->bFunctionalitySupport);
printf(" bU1devExitLat: %d\n", ss_usb_cap->bU1DevExitLat);
printf(" bU2devExitLat: %d\n", ss_usb_cap->bU2DevExitLat);
}
static void print_bos(libusb_device_handle *handle)
{
unsigned char buffer[128];
struct libusb_bos_descriptor *bos;
int ret;
ret = libusb_get_descriptor(handle, LIBUSB_DT_BOS, 0, buffer, 128);
if (0 > ret) {
return;
}
ret = libusb_parse_bos_descriptor(buffer, 128, &bos);
if (0 > ret) {
return;
}
printf(" Binary Object Store (BOS):\n");
printf(" wTotalLength: %d\n", bos->wTotalLength);
printf(" bNumDeviceCaps: %d\n", bos->bNumDeviceCaps);
if (bos->usb_2_0_ext_cap) {
print_2_0_ext_cap(bos->usb_2_0_ext_cap);
}
if (bos->ss_usb_cap) {
print_ss_usb_cap(bos->ss_usb_cap);
}
}
static void print_interface(const struct libusb_interface *interface)
{
int i;
for (i = 0; i < interface->num_altsetting; i++)
print_altsetting(&interface->altsetting[i]);
}
static void print_configuration(struct libusb_config_descriptor *config)
{
int i;
printf(" Configuration:\n");
printf(" wTotalLength: %d\n", config->wTotalLength);
printf(" bNumInterfaces: %d\n", config->bNumInterfaces);
printf(" bConfigurationValue: %d\n", config->bConfigurationValue);
printf(" iConfiguration: %d\n", config->iConfiguration);
printf(" bmAttributes: %02xh\n", config->bmAttributes);
printf(" MaxPower: %d\n", config->MaxPower);
for (i = 0; i < config->bNumInterfaces; i++)
print_interface(&config->interface[i]);
}
static int print_device(libusb_device *dev, int level)
{
struct libusb_device_descriptor desc;
libusb_device_handle *handle = NULL;
char description[256];
char string[256];
int ret, i;
ret = libusb_get_device_descriptor(dev, &desc);
if (ret < 0) {
fprintf(stderr, "failed to get device descriptor");
return -1;
}
ret = libusb_open(dev, &handle);
if (LIBUSB_SUCCESS == ret) {
if (desc.iManufacturer) {
ret = libusb_get_string_descriptor_ascii(handle, desc.iManufacturer, string, sizeof(string));
if (ret > 0)
snprintf(description, sizeof(description), "%s - ", string);
else
snprintf(description, sizeof(description), "%04X - ",
desc.idVendor);
} else
snprintf(description, sizeof(description), "%04X - ",
desc.idVendor);
if (desc.iProduct) {
ret = libusb_get_string_descriptor_ascii(handle, desc.iProduct, string, sizeof(string));
if (ret > 0)
snprintf(description + strlen(description), sizeof(description) -
strlen(description), "%s", string);
else
snprintf(description + strlen(description), sizeof(description) -
strlen(description), "%04X", desc.idProduct);
} else
snprintf(description + strlen(description), sizeof(description) -
strlen(description), "%04X", desc.idProduct);
} else {
snprintf(description, sizeof(description), "%04X - %04X",
desc.idVendor, desc.idProduct);
}
printf("%.*sDev (bus %d, device %d): %s\n", level * 2, " ",
libusb_get_bus_number(dev), libusb_get_device_address(dev), description);
if (handle && verbose) {
if (desc.iSerialNumber) {
ret = libusb_get_string_descriptor_ascii(handle, desc.iSerialNumber, string, sizeof(string));
if (ret > 0)
printf("%.*s - Serial Number: %s\n", level * 2,
" ", string);
}
}
if (verbose) {
for (i = 0; i < desc.bNumConfigurations; i++) {
struct libusb_config_descriptor *config;
ret = libusb_get_config_descriptor(dev, i, &config);
if (LIBUSB_SUCCESS != ret) {
printf(" Couldn't retrieve descriptors\n");
continue;
}
print_configuration(config);
libusb_free_config_descriptor(config);
}
if (handle && desc.bcdUSB >= 0x0201) {
print_bos(handle);
}
}
if (handle)
libusb_close(handle);
return 0;
}
int main(int argc, char *argv[])
{
libusb_device **devs;
ssize_t cnt;
int r, i;
if (argc > 1 && !strcmp(argv[1], "-v"))
verbose = 1;
r = libusb_init(NULL);
if (r < 0)
return r;
cnt = libusb_get_device_list(NULL, &devs);
if (cnt < 0)
return (int) cnt;
for (i = 0 ; devs[i] ; ++i) {
print_device(devs[i], 0);
}
libusb_free_device_list(devs, 1);
libusb_exit(NULL);
return 0;
}
