static void print_bos(libusb_device_handle *handle)
{
struct libusb_bos_descriptor *bos;
int ret;
ret = libusb_get_bos_descriptor(handle, &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->dev_capability[0]->bDevCapabilityType == LIBUSB_BT_USB_2_0_EXTENSION) {
struct libusb_usb_2_0_extension_descriptor *usb_2_0_extension;
ret = libusb_get_usb_2_0_extension_descriptor(NULL, bos->dev_capability[0],&usb_2_0_extension);
if (0 > ret) {
return;
}
print_2_0_ext_cap(usb_2_0_extension);
libusb_free_usb_2_0_extension_descriptor(usb_2_0_extension);
}
if(bos->dev_capability[0]->bDevCapabilityType == LIBUSB_BT_SS_USB_DEVICE_CAPABILITY) {
struct libusb_ss_usb_device_capability_descriptor *dev_cap;
ret = libusb_get_ss_usb_device_capability_descriptor(NULL, bos->dev_capability[0],&dev_cap);
if (0 > ret) {
return;
}
print_ss_usb_cap(dev_cap);
libusb_free_ss_usb_device_capability_descriptor(dev_cap);
}
libusb_free_bos_descriptor(bos);
}
static void print_device_cap(struct libusb_bos_dev_capability_descriptor *dev_cap)
{
switch(dev_cap->bDevCapabilityType) {
case LIBUSB_BT_USB_2_0_EXTENSION: {
struct libusb_usb_2_0_extension_descriptor *usb_2_0_ext = NULL;
libusb_get_usb_2_0_extension_descriptor(NULL, dev_cap, &usb_2_0_ext);
if (usb_2_0_ext) {
printf(" USB 2.0 extension:\n");
printf(" attributes : %02X\n", usb_2_0_ext->bmAttributes);
libusb_free_usb_2_0_extension_descriptor(usb_2_0_ext);
}
break;
}
case LIBUSB_BT_SS_USB_DEVICE_CAPABILITY: {
struct libusb_ss_usb_device_capability_descriptor *ss_usb_device_cap = NULL;
libusb_get_ss_usb_device_capability_descriptor(NULL, dev_cap, &ss_usb_device_cap);
if (ss_usb_device_cap) {
printf(" USB 3.0 capabilities:\n");
printf(" attributes : %02X\n", ss_usb_device_cap->bmAttributes);
printf(" supported speeds : %04X\n", ss_usb_device_cap->wSpeedSupported);
printf(" supported functionality: %02X\n", ss_usb_device_cap->bFunctionalitySupport);
libusb_free_ss_usb_device_capability_descriptor(ss_usb_device_cap);
}
break;
}
case LIBUSB_BT_CONTAINER_ID: {
struct libusb_container_id_descriptor *container_id = NULL;
libusb_get_container_id_descriptor(NULL, dev_cap, &container_id);
if (container_id) {
printf(" Container ID:\n %s\n", uuid_to_string(container_id->ContainerID));
libusb_free_container_id_descriptor(container_id);
}
break;
}
default:
printf(" Unknown BOS device capability %02x:\n", dev_cap->bDevCapabilityType);
}
}
