/* 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 vendor_class_request(libusb_device_t *dev, int type, int recipient, int request, int value, int index, void *buffer, int size, int direction, int *ret, int timeout) { NTSTATUS status = STATUS_SUCCESS; URB urb; *ret = 0; memset(&urb, 0, sizeof(struct _URB_CONTROL_VENDOR_OR_CLASS_REQUEST)); switch (type) { case USB_TYPE_CLASS: USBMSG0("type: class\n"); switch (recipient) { case USB_RECIP_DEVICE: USBMSG0("recipient: device\n"); urb.UrbHeader.Function = URB_FUNCTION_CLASS_DEVICE; break; case USB_RECIP_INTERFACE: USBMSG0("recipient: interface\n"); urb.UrbHeader.Function = URB_FUNCTION_CLASS_INTERFACE; break; case USB_RECIP_ENDPOINT: USBMSG0("recipient: endpoint\n"); urb.UrbHeader.Function = URB_FUNCTION_CLASS_ENDPOINT; break; case USB_RECIP_OTHER: USBMSG0("recipient: other\n"); urb.UrbHeader.Function = URB_FUNCTION_CLASS_OTHER; break; default: USBERR0("invalid recipient\n"); return STATUS_INVALID_PARAMETER; } break; case USB_TYPE_VENDOR: USBMSG0("type: vendor\n"); switch (recipient) { case USB_RECIP_DEVICE: USBMSG0("recipient: device\n"); urb.UrbHeader.Function = URB_FUNCTION_VENDOR_DEVICE; break; case USB_RECIP_INTERFACE: USBMSG0("recipient: interface\n"); urb.UrbHeader.Function = URB_FUNCTION_VENDOR_INTERFACE; break; case USB_RECIP_ENDPOINT: USBMSG0("recipient: endpoint\n"); urb.UrbHeader.Function = URB_FUNCTION_VENDOR_ENDPOINT; break; case USB_RECIP_OTHER: USBMSG0("recipient: other\n"); urb.UrbHeader.Function = URB_FUNCTION_VENDOR_OTHER; break; default: // [Kevin Timmerman Patch] USBMSG("recipient: reserved (0x%02x)\n", recipient); urb.UrbHeader.Function = URB_FUNCTION_VENDOR_DEVICE; urb.UrbControlVendorClassRequest.RequestTypeReservedBits = (UCHAR)recipient; break; /* USBERR0("invalid recipient\n"); return STATUS_INVALID_PARAMETER; */ } break; default: USBERR0("invalid type\n"); return STATUS_INVALID_PARAMETER; } USBMSG("request: 0x%02x\n", request); USBMSG("value: 0x%04x\n", value); USBMSG("index: 0x%04x\n", index); USBMSG("size: %d\n", size); if (direction == USBD_TRANSFER_DIRECTION_IN) { USBMSG0("direction: in\n"); } else { USBMSG0("direction: out\n"); } USBMSG("timeout: %d\n", timeout); urb.UrbHeader.Length = sizeof(struct _URB_CONTROL_VENDOR_OR_CLASS_REQUEST); urb.UrbControlVendorClassRequest.TransferFlags = direction | USBD_SHORT_TRANSFER_OK ; urb.UrbControlVendorClassRequest.TransferBufferLength = size; urb.UrbControlVendorClassRequest.TransferBufferMDL = NULL; urb.UrbControlVendorClassRequest.TransferBuffer = buffer; urb.UrbControlVendorClassRequest.Request = (UCHAR)request; urb.UrbControlVendorClassRequest.Value = (USHORT)value; urb.UrbControlVendorClassRequest.Index = (USHORT)index; // no maximum timeout check for vendor request. status = call_usbd_ex(dev, &urb, IOCTL_INTERNAL_USB_SUBMIT_URB, timeout, 0); if (!NT_SUCCESS(status) || !USBD_SUCCESS(urb.UrbHeader.Status)) { USBERR("request failed: status: 0x%x, urb-status: 0x%x\n", status, urb.UrbHeader.Status); } else { if (direction == USBD_TRANSFER_DIRECTION_IN) *ret = urb.UrbControlVendorClassRequest.TransferBufferLength; USBMSG("%d bytes transmitted\n", urb.UrbControlVendorClassRequest.TransferBufferLength); } return status; }