Mercurial > hg > ucis.core

annotate 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
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1 using System;
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2 using System.Collections.Generic;
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3 using Microsoft.Win32.SafeHandles;
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4 using UCIS.HWLib.Windows.Devices;
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5 using UCIS.USBLib.Internal.Windows;
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7 namespace UCIS.HWLib.Windows.USB {
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8 public class UsbController {
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9 static readonly Guid IID_DEVINTERFACE_USB_CONTROLLER = new Guid(UsbApi.GUID_DEVINTERFACE_HUBCONTROLLER);
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10 public String DevicePath { get; private set; }
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11 public DeviceNode DeviceNode { get; private set; }
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12 public String DeviceDescription { get { return DeviceNode.DeviceDescription; } }
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13 public String DriverKey { get { return DeviceNode.DriverKey; } }
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14 public UsbHub RootHub {
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15 get {
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16 String rootHubName;
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17 using (SafeFileHandle handle = UsbHub.OpenHandle(DevicePath)) rootHubName = UsbHub.GetRootHubName(handle);
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18 return new UsbHub(null, new USB_NODE_CONNECTION_INFORMATION_EX(), @"\\?\" + rootHubName, 0, true);
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19 }
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20 }
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21 private UsbController(DeviceNode di, String devicePath) {
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22 this.DeviceNode = di;
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23 this.DevicePath = devicePath;
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24 }
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26 public static UsbController GetControllerForDeviceNode(DeviceNode node) {
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27 String[] interfaces = node.GetInterfaces(IID_DEVINTERFACE_USB_CONTROLLER);
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28 if (interfaces == null || interfaces.Length == 0) return null;
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29 return new UsbController(node, interfaces[0]);
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30 }
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32 public static IList<UsbController> GetControllers() {
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33 IList<UsbController> devices = new List<UsbController>();
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34 foreach (DeviceNode dev in DeviceNode.GetDevices(IID_DEVINTERFACE_USB_CONTROLLER)) {
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35 UsbController controller = GetControllerForDeviceNode(dev);
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36 if (controller != null) devices.Add(controller);
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37 }
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38 return devices;
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39 }
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40 }
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41 }