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comparison USBLib/Windows/USB/UsbController.cs @ 60:3424fa5a12c9

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Updated Windows USB enumeration classes and VBoxUSB backend
author Ivo Smits <Ivo@UCIS.nl>
date Sat, 12 Oct 2013 16:35:24 +0200
parents fd63c453ff65
children edc41c861d96
comparison
equal deleted inserted replaced
59:4e1a5dec786a 60:3424fa5a12c9
1 using System; 1 using System;
2 using System.Runtime.InteropServices; 2 using System.Collections.Generic;
3 using Microsoft.Win32.SafeHandles; 3 using Microsoft.Win32.SafeHandles;
4 using UCIS.HWLib.Windows.Devices; 4 using UCIS.HWLib.Windows.Devices;
5 using UCIS.USBLib.Internal.Windows; 5 using UCIS.USBLib.Internal.Windows;
6 6
7 namespace UCIS.HWLib.Windows.USB { 7 namespace UCIS.HWLib.Windows.USB {
8 public class UsbController { 8 public class UsbController {
9 static readonly Guid IID_DEVINTERFACE_USB_CONTROLLER = new Guid(UsbApi.GUID_DEVINTERFACE_HUBCONTROLLER);
9 public String DevicePath { get; private set; } 10 public String DevicePath { get; private set; }
10 public DeviceNode DeviceNode { get; private set; } 11 public DeviceNode DeviceNode { get; private set; }
11 public String DeviceDescription { 12 public String DeviceDescription { get { return DeviceNode.DeviceDescription; } }
12 get { return DeviceNode.GetPropertyString(SPDRP.DeviceDesc); } 13 public String DriverKey { get { return DeviceNode.DriverKey; } }
13 }
14 public String DriverKey {
15 get { return DeviceNode.GetPropertyString(SPDRP.Driver); }
16 }
17 public UsbHub RootHub { 14 public UsbHub RootHub {
18 get { 15 get {
19 String rootHubName; 16 String rootHubName;
20 using (SafeFileHandle handle = UsbHub.OpenHandle(DevicePath)) rootHubName = UsbHub.GetRootHubName(handle); 17 using (SafeFileHandle handle = UsbHub.OpenHandle(DevicePath)) rootHubName = UsbHub.GetRootHubName(handle);
21 return new UsbHub(null, new USB_NODE_CONNECTION_INFORMATION_EX(), @"\\?\" + rootHubName, 0, true); 18 return new UsbHub(null, new USB_NODE_CONNECTION_INFORMATION_EX(), @"\\?\" + rootHubName, 0, true);
22 } 19 }
23 } 20 }
24 internal UsbController(UsbBus parent, DeviceNode di, String devicePath) { 21 private UsbController(DeviceNode di, String devicePath) {
25 this.DeviceNode = di; 22 this.DeviceNode = di;
26 this.DevicePath = devicePath; 23 this.DevicePath = devicePath;
27 } 24 }
25
26 public static UsbController GetControllerForDeviceNode(DeviceNode node) {
27 String[] interfaces = node.GetInterfaces(IID_DEVINTERFACE_USB_CONTROLLER);
28 if (interfaces == null || interfaces.Length == 0) return null;
29 return new UsbController(node, interfaces[0]);
30 }
31
32 public static IList<UsbController> GetControllers() {
33 IList<UsbController> devices = new List<UsbController>();
34 foreach (DeviceNode dev in DeviceNode.GetDevices(IID_DEVINTERFACE_USB_CONTROLLER)) {
35 UsbController controller = GetControllerForDeviceNode(dev);
36 if (controller != null) devices.Add(controller);
37 }
38 return devices;
39 }
28 } 40 }
29 } 41 }