Mercurial > hg > ucis.core

annotate USBLib/Windows/USB/UsbController.cs @ 62:edc41c861d96

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Updates and cleanup in Windows USB enumeration code
author Ivo Smits <Ivo@UCIS.nl>
date Sun, 13 Oct 2013 02:47:08 +0200
parents 3424fa5a12c9
children 309c705d7460
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
21
dcfec2be27c9 Added USBLib
Ivo Smits <Ivo@UCIS.nl>
parents:
diff changeset
1 using System;
60
3424fa5a12c9 Updated Windows USB enumeration classes and VBoxUSB backend
Ivo Smits <Ivo@UCIS.nl>
parents: 58
diff changeset
2 using System.Collections.Generic;
21
dcfec2be27c9 Added USBLib
Ivo Smits <Ivo@UCIS.nl>
parents:
diff changeset
3 using Microsoft.Win32.SafeHandles;
dcfec2be27c9 Added USBLib
Ivo Smits <Ivo@UCIS.nl>
parents:
diff changeset
4 using UCIS.HWLib.Windows.Devices;
dcfec2be27c9 Added USBLib
Ivo Smits <Ivo@UCIS.nl>
parents:
diff changeset
5 using UCIS.USBLib.Internal.Windows;
dcfec2be27c9 Added USBLib
Ivo Smits <Ivo@UCIS.nl>
parents:
diff changeset
6
dcfec2be27c9 Added USBLib
Ivo Smits <Ivo@UCIS.nl>
parents:
diff changeset
7 namespace UCIS.HWLib.Windows.USB {
dcfec2be27c9 Added USBLib
Ivo Smits <Ivo@UCIS.nl>
parents:
diff changeset
8 public class UsbController {
62
edc41c861d96 Updates and cleanup in Windows USB enumeration code
Ivo Smits <Ivo@UCIS.nl>
parents: 60
diff changeset
9 static readonly Guid IID_DEVINTERFACE_USB_HOST_CONTROLLER = new Guid(UsbApi.GUID_DEVINTERFACE_USB_HOST_CONTROLLER);
21
dcfec2be27c9 Added USBLib
Ivo Smits <Ivo@UCIS.nl>
parents:
diff changeset
10 public String DevicePath { get; private set; }
dcfec2be27c9 Added USBLib
Ivo Smits <Ivo@UCIS.nl>
parents:
diff changeset
11 public DeviceNode DeviceNode { get; private set; }
60
3424fa5a12c9 Updated Windows USB enumeration classes and VBoxUSB backend
Ivo Smits <Ivo@UCIS.nl>
parents: 58
diff changeset
12 public String DeviceDescription { get { return DeviceNode.DeviceDescription; } }
3424fa5a12c9 Updated Windows USB enumeration classes and VBoxUSB backend
Ivo Smits <Ivo@UCIS.nl>
parents: 58
diff changeset
13 public String DriverKey { get { return DeviceNode.DriverKey; } }
58
fd63c453ff65 Improved Windows USB enumeration classes
Ivo Smits <Ivo@UCIS.nl>
parents: 21
diff changeset
14 public UsbHub RootHub {
fd63c453ff65 Improved Windows USB enumeration classes
Ivo Smits <Ivo@UCIS.nl>
parents: 21
diff changeset
15 get {
fd63c453ff65 Improved Windows USB enumeration classes
Ivo Smits <Ivo@UCIS.nl>
parents: 21
diff changeset
16 String rootHubName;
fd63c453ff65 Improved Windows USB enumeration classes
Ivo Smits <Ivo@UCIS.nl>
parents: 21
diff changeset
17 using (SafeFileHandle handle = UsbHub.OpenHandle(DevicePath)) rootHubName = UsbHub.GetRootHubName(handle);
fd63c453ff65 Improved Windows USB enumeration classes
Ivo Smits <Ivo@UCIS.nl>
parents: 21
diff changeset
18 return new UsbHub(null, new USB_NODE_CONNECTION_INFORMATION_EX(), @"\\?\" + rootHubName, 0, true);
fd63c453ff65 Improved Windows USB enumeration classes
Ivo Smits <Ivo@UCIS.nl>
parents: 21
diff changeset
19 }
fd63c453ff65 Improved Windows USB enumeration classes
Ivo Smits <Ivo@UCIS.nl>
parents: 21
diff changeset
20 }
60
3424fa5a12c9 Updated Windows USB enumeration classes and VBoxUSB backend
Ivo Smits <Ivo@UCIS.nl>
parents: 58
diff changeset
21 private UsbController(DeviceNode di, String devicePath) {
21
dcfec2be27c9 Added USBLib
Ivo Smits <Ivo@UCIS.nl>
parents:
diff changeset
22 this.DeviceNode = di;
dcfec2be27c9 Added USBLib
Ivo Smits <Ivo@UCIS.nl>
parents:
diff changeset
23 this.DevicePath = devicePath;
dcfec2be27c9 Added USBLib
Ivo Smits <Ivo@UCIS.nl>
parents:
diff changeset
24 }
60
3424fa5a12c9 Updated Windows USB enumeration classes and VBoxUSB backend
Ivo Smits <Ivo@UCIS.nl>
parents: 58
diff changeset
25
3424fa5a12c9 Updated Windows USB enumeration classes and VBoxUSB backend
Ivo Smits <Ivo@UCIS.nl>
parents: 58
diff changeset
26 public static UsbController GetControllerForDeviceNode(DeviceNode node) {
62
edc41c861d96 Updates and cleanup in Windows USB enumeration code
Ivo Smits <Ivo@UCIS.nl>
parents: 60
diff changeset
27 String[] interfaces = node.GetInterfaces(IID_DEVINTERFACE_USB_HOST_CONTROLLER);
60
3424fa5a12c9 Updated Windows USB enumeration classes and VBoxUSB backend
Ivo Smits <Ivo@UCIS.nl>
parents: 58
diff changeset
28 if (interfaces == null || interfaces.Length == 0) return null;
3424fa5a12c9 Updated Windows USB enumeration classes and VBoxUSB backend
Ivo Smits <Ivo@UCIS.nl>
parents: 58
diff changeset
29 return new UsbController(node, interfaces[0]);
3424fa5a12c9 Updated Windows USB enumeration classes and VBoxUSB backend
Ivo Smits <Ivo@UCIS.nl>
parents: 58
diff changeset
30 }
3424fa5a12c9 Updated Windows USB enumeration classes and VBoxUSB backend
Ivo Smits <Ivo@UCIS.nl>
parents: 58
diff changeset
31
3424fa5a12c9 Updated Windows USB enumeration classes and VBoxUSB backend
Ivo Smits <Ivo@UCIS.nl>
parents: 58
diff changeset
32 public static IList<UsbController> GetControllers() {
3424fa5a12c9 Updated Windows USB enumeration classes and VBoxUSB backend
Ivo Smits <Ivo@UCIS.nl>
parents: 58
diff changeset
33 IList<UsbController> devices = new List<UsbController>();
62
edc41c861d96 Updates and cleanup in Windows USB enumeration code
Ivo Smits <Ivo@UCIS.nl>
parents: 60
diff changeset
34 foreach (DeviceNode dev in DeviceNode.GetDevices(IID_DEVINTERFACE_USB_HOST_CONTROLLER)) {
60
3424fa5a12c9 Updated Windows USB enumeration classes and VBoxUSB backend
Ivo Smits <Ivo@UCIS.nl>
parents: 58
diff changeset
35 UsbController controller = GetControllerForDeviceNode(dev);
3424fa5a12c9 Updated Windows USB enumeration classes and VBoxUSB backend
Ivo Smits <Ivo@UCIS.nl>
parents: 58
diff changeset
36 if (controller != null) devices.Add(controller);
3424fa5a12c9 Updated Windows USB enumeration classes and VBoxUSB backend
Ivo Smits <Ivo@UCIS.nl>
parents: 58
diff changeset
37 }
3424fa5a12c9 Updated Windows USB enumeration classes and VBoxUSB backend
Ivo Smits <Ivo@UCIS.nl>
parents: 58
diff changeset
38 return devices;
3424fa5a12c9 Updated Windows USB enumeration classes and VBoxUSB backend
Ivo Smits <Ivo@UCIS.nl>
parents: 58
diff changeset
39 }
21
dcfec2be27c9 Added USBLib
Ivo Smits <Ivo@UCIS.nl>
parents:
diff changeset
40 }
58
fd63c453ff65 Improved Windows USB enumeration classes
Ivo Smits <Ivo@UCIS.nl>
parents: 21
diff changeset
41 }