/**
* Describe USB human interface device
*
* @v hid USB human interface device
* @v config Configuration descriptor
* @ret rc Return status code
*/
int usbhid_describe ( struct usb_hid *hid,
struct usb_configuration_descriptor *config ) {
struct usb_interface_descriptor *desc;
int rc;
/* Locate interface descriptor */
desc = usb_interface_descriptor ( config, hid->func->interface[0], 0 );
if ( ! desc ) {
DBGC ( hid, "HID %s has no interface descriptor\n",
hid->func->name );
return -EINVAL;
}
/* Describe interrupt IN endpoint */
if ( ( rc = usb_endpoint_described ( &hid->in, config, desc,
USB_INTERRUPT_IN, 0 ) ) != 0 ) {
DBGC ( hid, "HID %s could not describe interrupt IN: %s\n",
hid->func->name, strerror ( rc ) );
return rc;
}
/* Describe interrupt OUT endpoint, if applicable */
if ( hid->out.usb &&
( ( rc = usb_endpoint_described ( &hid->out, config, desc,
USB_INTERRUPT_OUT, 0 ) ) != 0 )){
DBGC ( hid, "HID %s could not describe interrupt OUT: %s\n",
hid->func->name, strerror ( rc ) );
return rc;
}
return 0;
}
bool AdbInterfaceObject::GetUsbInterfaceDescriptor(
USB_INTERFACE_DESCRIPTOR* desc) {
if (!IsOpened()) {
SetLastError(ERROR_INVALID_HANDLE);
return false;
}
CopyMemory(desc, usb_interface_descriptor(), sizeof(USB_INTERFACE_DESCRIPTOR));
return true;
}
