From 22f703cab05b7cd368f4de9e03991b7664dc5022 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?J=C3=B6rg=20Frings-F=C3=BCrst?= Date: Mon, 1 Sep 2014 13:56:46 +0200 Subject: Initial import of argyll version 1.5.1-8 --- usb/driver/get_interface.c | 109 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 109 insertions(+) create mode 100644 usb/driver/get_interface.c (limited to 'usb/driver/get_interface.c') diff --git a/usb/driver/get_interface.c b/usb/driver/get_interface.c new file mode 100644 index 0000000..b218281 --- /dev/null +++ b/usb/driver/get_interface.c @@ -0,0 +1,109 @@ +/* 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 get_interface(libusb_device_t *dev, + int interface_number, + unsigned char *altsetting, + int timeout) +{ + NTSTATUS status = STATUS_SUCCESS; + URB urb; + PUSB_INTERFACE_DESCRIPTOR interface_descriptor; + + USBMSG("interface: %d timeout: %d\n", interface_number, timeout); + + if (!dev->config.value) + { + USBERR0("invalid configuration 0\n"); + return STATUS_INVALID_DEVICE_STATE; + } + + memset(&urb, 0, sizeof(URB)); + + urb.UrbHeader.Function = URB_FUNCTION_GET_INTERFACE; + urb.UrbHeader.Length = sizeof(struct _URB_CONTROL_GET_INTERFACE_REQUEST); + urb.UrbControlGetInterfaceRequest.TransferBufferLength = 1; + urb.UrbControlGetInterfaceRequest.TransferBuffer = altsetting; + urb.UrbControlGetInterfaceRequest.Interface = (USHORT)interface_number; + + status = call_usbd(dev, &urb, IOCTL_INTERNAL_USB_SUBMIT_URB, timeout); + + if (!NT_SUCCESS(status) || !USBD_SUCCESS(urb.UrbHeader.Status)) + { + USBERR("getting interface failed: status: 0x%x, urb-status: 0x%x\n", + status, urb.UrbHeader.Status); + } + else + { + USBMSG("current altsetting is %d\n", *altsetting); + } + + return status; +} + +NTSTATUS get_interface_ex(libusb_device_t *dev, + interface_request_t* interface_request, + int timeout) +{ + unsigned char alt_number; + NTSTATUS status = STATUS_SUCCESS; + + USB_INTERFACE_DESCRIPTOR *interface_descriptor = NULL; + + USBMSG("interface-%s=%d timeout=%d\n", + interface_request->intf_use_index ? "index" : "number", + interface_request->intf_use_index ? interface_request->interface_index : interface_request->interface_number, + timeout); + + if (!dev->config.value || !dev->config.descriptor) + { + USBERR0("device is not configured\n"); + return STATUS_INVALID_DEVICE_STATE; + } + + interface_request->altsetting_index=FIND_INTERFACE_INDEX_ANY; + interface_descriptor = find_interface_desc_ex(dev->config.descriptor,dev->config.total_size,interface_request,NULL); + if (!interface_descriptor) + { + return STATUS_NO_MORE_ENTRIES; + } + + status = get_interface(dev,interface_descriptor->bInterfaceNumber, &alt_number, timeout); + if (!NT_SUCCESS(status)) + { + return STATUS_NO_MORE_ENTRIES; + } + + interface_request->interface_number=interface_descriptor->bInterfaceNumber; + interface_request->altsetting_number=alt_number; + interface_request->altf_use_index=0; + interface_request->intf_use_index=0; + + interface_descriptor = find_interface_desc_ex(dev->config.descriptor,dev->config.total_size,interface_request,NULL); + if (!interface_descriptor) + { + return STATUS_NO_MORE_ENTRIES; + } + + return status; +} -- cgit v1.2.3