1 /* libusb-win32, Generic Windows USB Library
2  * Copyright (c) 2002-2005 Stephan Meyer <ste_meyer@web.de>
3  *
4  * This program is free software; you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License as published by
6  * the Free Software Foundation; either version 2 of the License, or
7  * (at your option) any later version.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program; if not, write to the Free Software
16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
17  */
18 
19 
20 #include "libusb_driver.h"
21 
22 
23 
reset_endpoint(libusb_device_t * dev,int endpoint,int timeout)24 NTSTATUS reset_endpoint(libusb_device_t *dev, int endpoint, int timeout)
25 {
26     NTSTATUS status = STATUS_SUCCESS;
27     URB urb;
28 
29 	USBMSG("endpoint: 0x%02x timeout: %d\n", endpoint, timeout);
30 
31 	if (!dev->config.value)
32     {
33         USBERR0("invalid configuration 0\n");
34         return STATUS_INVALID_DEVICE_STATE;
35     }
36 
37     memset(&urb, 0, sizeof(struct _URB_PIPE_REQUEST));
38 
39     urb.UrbHeader.Length = (USHORT) sizeof(struct _URB_PIPE_REQUEST);
40     urb.UrbHeader.Function = URB_FUNCTION_RESET_PIPE;
41 
42     if (!get_pipe_handle(dev, endpoint, &urb.UrbPipeRequest.PipeHandle))
43     {
44         USBERR0("getting endpoint pipe failed\n");
45         return STATUS_INVALID_PARAMETER;
46     }
47 
48     status = call_usbd(dev, &urb, IOCTL_INTERNAL_USB_SUBMIT_URB, timeout);
49 
50     if (!NT_SUCCESS(status) || !USBD_SUCCESS(urb.UrbHeader.Status))
51     {
52         USBERR("request failed: status: 0x%x, urb-status: 0x%x\n", status, urb.UrbHeader.Status);
53     }
54 
55     return status;
56 }
57