/* libusb-win32, Generic Windows USB Library * Copyright (c) 2002-2005 Stephan Meyer * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include "libusb_driver.h" NTSTATUS set_descriptor(libusb_device_t *dev, void *buffer, int size, int type, int recipient, int index, int language_id, int *sent, int timeout) { NTSTATUS status = STATUS_SUCCESS; URB urb; USBMSG("buffer size: %d type: %04d recipient: %04d index: %04d language id: %04d timeout: %d\n", size,type,recipient,index,language_id,timeout); memset(&urb, 0, sizeof(struct _URB_CONTROL_DESCRIPTOR_REQUEST)); switch (recipient) { case USB_RECIP_DEVICE: urb.UrbHeader.Function = URB_FUNCTION_SET_DESCRIPTOR_TO_DEVICE; break; case USB_RECIP_INTERFACE: urb.UrbHeader.Function = URB_FUNCTION_SET_DESCRIPTOR_TO_INTERFACE; break; case USB_RECIP_ENDPOINT: urb.UrbHeader.Function = URB_FUNCTION_SET_DESCRIPTOR_TO_ENDPOINT; break; default: USBERR0("invalid recipient\n"); return STATUS_INVALID_PARAMETER; } urb.UrbHeader.Length = sizeof(struct _URB_CONTROL_DESCRIPTOR_REQUEST); urb.UrbControlDescriptorRequest.TransferBufferLength = size; urb.UrbControlDescriptorRequest.TransferBuffer = buffer; urb.UrbControlDescriptorRequest.DescriptorType = (UCHAR)type; urb.UrbControlDescriptorRequest.Index = (UCHAR)index; urb.UrbControlDescriptorRequest.LanguageId = (USHORT)language_id; status = call_usbd(dev, &urb, IOCTL_INTERNAL_USB_SUBMIT_URB, timeout); if (!NT_SUCCESS(status) || !USBD_SUCCESS(urb.UrbHeader.Status)) { USBERR("setting descriptor failed: status: 0x%x, urb-status: 0x%x\n", status, urb.UrbHeader.Status); } else { *sent = urb.UrbControlDescriptorRequest.TransferBufferLength; } return status; }