diff options
author | Jörg Frings-Fürst <debian@jff-webhosting.net> | 2014-09-01 13:56:46 +0200 |
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committer | Jörg Frings-Fürst <debian@jff-webhosting.net> | 2014-09-01 13:56:46 +0200 |
commit | 22f703cab05b7cd368f4de9e03991b7664dc5022 (patch) | |
tree | 6f4d50beaa42328e24b1c6b56b6ec059e4ef21a5 /usb/driver/set_interface.c |
Initial import of argyll version 1.5.1-8debian/1.5.1-8
Diffstat (limited to 'usb/driver/set_interface.c')
-rw-r--r-- | usb/driver/set_interface.c | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/usb/driver/set_interface.c b/usb/driver/set_interface.c new file mode 100644 index 0000000..840600e --- /dev/null +++ b/usb/driver/set_interface.c @@ -0,0 +1,124 @@ +/* libusb-win32, Generic Windows USB Library + * Copyright (c) 2002-2005 Stephan Meyer <ste_meyer@web.de> + * + * 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_interface(libusb_device_t *dev, + int interface_number, + int alt_interface_number, + int timeout) +{ + NTSTATUS status = STATUS_SUCCESS; + URB *urb; + int i, tmp_size; + + USB_INTERFACE_DESCRIPTOR *interface_descriptor = NULL; + USBD_INTERFACE_INFORMATION *interface_information = NULL; + + + USBMSG("interface-number=%d alt-number=%d timeout=%d\n", + interface_number,alt_interface_number,timeout); + + if (!dev->config.value || !dev->config.descriptor) + { + USBERR0("device is not configured\n"); + return STATUS_INVALID_DEVICE_STATE; + } + + interface_descriptor = find_interface_desc(dev->config.descriptor, dev->config.total_size, interface_number, alt_interface_number); + + if (!interface_descriptor) + { + USBERR("interface-number=%d alt-number=%d does not exists.\n", + interface_number,alt_interface_number,timeout); + + return STATUS_NO_MORE_ENTRIES; + } + + tmp_size = sizeof(struct _URB_SELECT_INTERFACE) + interface_descriptor->bNumEndpoints * sizeof(USBD_PIPE_INFORMATION); + + urb = ExAllocatePool(NonPagedPool, tmp_size); + + if (!urb) + { + USBERR0("memory_allocation error\n"); + return STATUS_NO_MEMORY; + } + + memset(urb, 0, tmp_size); + + urb->UrbHeader.Function = URB_FUNCTION_SELECT_INTERFACE; + urb->UrbHeader.Length = (USHORT)tmp_size; + + urb->UrbSelectInterface.ConfigurationHandle = dev->config.handle; + urb->UrbSelectInterface.Interface.Length = sizeof(struct _USBD_INTERFACE_INFORMATION); + urb->UrbSelectInterface.Interface.NumberOfPipes = interface_descriptor->bNumEndpoints; + urb->UrbSelectInterface.Interface.Length += interface_descriptor->bNumEndpoints * sizeof(struct _USBD_PIPE_INFORMATION); + + urb->UrbSelectInterface.Interface.InterfaceNumber = (UCHAR)interface_descriptor->bInterfaceNumber; + urb->UrbSelectInterface.Interface.AlternateSetting = (UCHAR)interface_descriptor->bAlternateSetting; + + interface_information = &urb->UrbSelectInterface.Interface; + + for (i = 0; i < interface_descriptor->bNumEndpoints; i++) + { + interface_information->Pipes[i].MaximumTransferSize = LIBUSB_MAX_READ_WRITE; + } + + status = call_usbd(dev, urb, IOCTL_INTERNAL_USB_SUBMIT_URB, timeout); + + + if (!NT_SUCCESS(status) || !USBD_SUCCESS(urb->UrbHeader.Status)) + { + USBERR("setting interface failed: status: 0x%x, urb-status: 0x%x\n", status, urb->UrbHeader.Status); + ExFreePool(urb); + return STATUS_UNSUCCESSFUL; + } + + update_pipe_info(dev, interface_information); + + ExFreePool(urb); + + return status; +} + +NTSTATUS set_interface_ex(libusb_device_t *dev, + interface_request_t* interface_request, + int timeout) +{ + NTSTATUS status = STATUS_SUCCESS; + + USB_INTERFACE_DESCRIPTOR *interface_descriptor = NULL; + + USBMSG("interface-%s=%d alt-%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, + interface_request->altf_use_index ? "index" : "number", + interface_request->altf_use_index ? interface_request->altsetting_index : interface_request->altsetting_number, + timeout); + + 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 set_interface(dev,interface_descriptor->bInterfaceNumber, interface_descriptor->bAlternateSetting, timeout); +} |