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authorJörg Frings-Fürst <debian@jff-webhosting.net>2014-09-01 13:56:46 +0200
committerJörg Frings-Fürst <debian@jff-webhosting.net>2014-09-01 13:56:46 +0200
commit22f703cab05b7cd368f4de9e03991b7664dc5022 (patch)
tree6f4d50beaa42328e24b1c6b56b6ec059e4ef21a5 /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.c124
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);
+}