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1 using System; |
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2 using System.Runtime.InteropServices; |
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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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6 |
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7 namespace UCIS.HWLib.Windows.USB { |
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8 public class UsbController { |
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9 public String DevicePath { get; private set; } |
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10 public DeviceNode DeviceNode { get; private set; } |
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11 public String DeviceDescription { get; private set; } |
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12 public String DriverKey { get; private set; } |
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13 public UsbHub RootHub { get; private set; } |
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14 internal UsbController(UsbBus parent, DeviceNode di, String devicePath) { |
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15 this.DeviceNode = di; |
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16 this.DevicePath = devicePath; |
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17 this.DeviceDescription = di.GetPropertyString(SPDRP.DeviceDesc); |
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18 this.DriverKey = di.GetPropertyString(SPDRP.Driver); |
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19 |
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20 USB_ROOT_HUB_NAME rootHubName; |
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21 using (SafeFileHandle handel1 = Kernel32.CreateFile(DevicePath, Kernel32.GENERIC_WRITE, Kernel32.FILE_SHARE_WRITE, IntPtr.Zero, Kernel32.OPEN_EXISTING, 0, IntPtr.Zero)) { |
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22 if (handel1.IsInvalid) throw new Exception("No port found!"); |
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23 int nBytesReturned; |
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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)) |
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25 throw new System.ComponentModel.Win32Exception(Marshal.GetLastWin32Error()); |
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26 } |
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27 if (rootHubName.ActualLength <= 0) throw new Exception("rootHubName.ActualLength <= 0"); |
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28 RootHub = new UsbHub(this, null, @"\\?\" + rootHubName.RootHubName); |
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29 } |
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30 } |
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31 } |
