Mercurial > hg > ucis.core

comparison USBLib/Windows/USB/UsbController.cs @ 21:dcfec2be27c9

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Added USBLib
author Ivo Smits <Ivo@UCIS.nl>
date Mon, 15 Apr 2013 01:04:59 +0200
parents
children fd63c453ff65
comparison
equal deleted inserted replaced
20:c873e3dd73fe 21:dcfec2be27c9
1 using System;
2 using System.Runtime.InteropServices;
3 using Microsoft.Win32.SafeHandles;
4 using UCIS.HWLib.Windows.Devices;
5 using UCIS.USBLib.Internal.Windows;
6
7 namespace UCIS.HWLib.Windows.USB {
8 public class UsbController {
9 public String DevicePath { get; private set; }
10 public DeviceNode DeviceNode { get; private set; }
11 public String DeviceDescription { get; private set; }
12 public String DriverKey { get; private set; }
13 public UsbHub RootHub { get; private set; }
14 internal UsbController(UsbBus parent, DeviceNode di, String devicePath) {
15 this.DeviceNode = di;
16 this.DevicePath = devicePath;
17 this.DeviceDescription = di.GetPropertyString(SPDRP.DeviceDesc);
18 this.DriverKey = di.GetPropertyString(SPDRP.Driver);
19
20 USB_ROOT_HUB_NAME rootHubName;
21 using (SafeFileHandle handel1 = Kernel32.CreateFile(DevicePath, Kernel32.GENERIC_WRITE, Kernel32.FILE_SHARE_WRITE, IntPtr.Zero, Kernel32.OPEN_EXISTING, 0, IntPtr.Zero)) {
22 if (handel1.IsInvalid) throw new Exception("No port found!");
23 int nBytesReturned;
24 if (!Kernel32.DeviceIoControl(handel1, UsbApi.IOCTL_USB_GET_ROOT_HUB_NAME, IntPtr.Zero, 0, out rootHubName, Marshal.SizeOf(typeof(USB_ROOT_HUB_NAME)), out nBytesReturned, IntPtr.Zero))
25 throw new System.ComponentModel.Win32Exception(Marshal.GetLastWin32Error());
26 }
27 if (rootHubName.ActualLength <= 0) throw new Exception("rootHubName.ActualLength <= 0");
28 RootHub = new UsbHub(this, null, @"\\?\" + rootHubName.RootHubName);
29 }
30 }
31 }