protected static List <USBPort> GetHubPorts(USBHub hub)
{
List <USBPort> ports = new List <USBPort>();
// Collect the node information
IOCTLcommand ioctl = new IOCTLcommand();
ioctl.ioctlNo = UsbApi.CTL_CODE(0x00000022, (uint)UsbApi.UsbIoctlFunction.USB_GET_NODE_INFORMATION, 0, 0x0);
ioctl.inputBuffer = null;
ioctl.outputMaxSize = 128;
try {
// Open Root hub
IntPtr hHub = UsbApi.OpenDevice(hub.devicePath, true);
IoStatus status = UsbApi.DeviceIoControl(hHub, ioctl);
UsbApi.UsbNativeType.USB_NODE_INFORMATION hubInfo = (UsbApi.UsbNativeType.USB_NODE_INFORMATION)UsbApi.UsbNativeType.Deserialize(
status.buffer, 0, typeof(UsbApi.UsbNativeType.USB_NODE_INFORMATION));
UsbApi.CloseDevice(hHub);
// Now Iterate through all the ports
for (uint i = 1; i <= hubInfo.NodeInfo.hubDescriptor.bNumberOfPorts; i++)
{
ports.Add(new USBPort(hub, i));
}
} catch (Exception) {}
return(ports);
}
// Return Root Hub for this Controller
public USBHub GetRootHub()
{
var Root = new USBHub {
HubIsRootHub = true, HubDeviceDesc = "Root Hub"
};
// Open a handle to the Host Controller
var h = CreateFile(ControllerDevicePath, GENERIC_WRITE, FILE_SHARE_WRITE, IntPtr.Zero, OPEN_EXISTING, 0, IntPtr.Zero);
if (h.ToInt32() == INVALID_HANDLE_VALUE)
{
return(Root);
}
int nBytesReturned;
var HubName = new USB_ROOT_HUB_NAME();
var nBytes = Marshal.SizeOf(HubName);
var ptrHubName = Marshal.AllocHGlobal(nBytes);
// get the Hub Name
if (DeviceIoControl(h, IOCTL_USB_GET_ROOT_HUB_NAME, ptrHubName, nBytes, ptrHubName, nBytes, out nBytesReturned, IntPtr.Zero))
{
HubName = (USB_ROOT_HUB_NAME)Marshal.PtrToStructure(ptrHubName, typeof(USB_ROOT_HUB_NAME));
Root.HubDevicePath = @"\\.\" + HubName.RootHubName;
}
// TODO: Get DriverKeyName for Root Hub
// Now let's open the Hub (based upon the HubName we got above)
var h2 = CreateFile(Root.HubDevicePath, GENERIC_WRITE, FILE_SHARE_WRITE, IntPtr.Zero, OPEN_EXISTING, 0, IntPtr.Zero);
if (h2.ToInt32() != INVALID_HANDLE_VALUE)
{
var NodeInfo = new USB_NODE_INFORMATION {
NodeType = (int)USB_HUB_NODE.UsbHub
};
nBytes = Marshal.SizeOf(NodeInfo);
var ptrNodeInfo = Marshal.AllocHGlobal(nBytes);
Marshal.StructureToPtr(NodeInfo, ptrNodeInfo, true);
// get the Hub Information
if (DeviceIoControl(h2, IOCTL_USB_GET_NODE_INFORMATION, ptrNodeInfo, nBytes, ptrNodeInfo, nBytes, out nBytesReturned, IntPtr.Zero))
{
NodeInfo = (USB_NODE_INFORMATION)Marshal.PtrToStructure(ptrNodeInfo, typeof(USB_NODE_INFORMATION));
Root.HubIsBusPowered = Convert.ToBoolean(NodeInfo.HubInformation.HubIsBusPowered);
Root.HubPortCount = NodeInfo.HubInformation.HubDescriptor.bNumberOfPorts;
}
Marshal.FreeHGlobal(ptrNodeInfo);
CloseHandle(h2);
}
Marshal.FreeHGlobal(ptrHubName);
CloseHandle(h);
return(Root);
}
public USBHub GetHub()
{
if (!this.PortIsHub)
{
return(null);
}
USBHub uSBHub = new USBHub();
uSBHub.HubIsRootHub = false;
uSBHub.HubDeviceDesc = "External Hub";
IntPtr intPtr = Acer_USB_Library.CreateFile(this.PortHubDevicePath, 1073741824, 2, IntPtr.Zero, 3, 0, IntPtr.Zero);
if (intPtr.ToInt32() != -1)
{
USB_NODE_CONNECTION_NAME uSB_NODE_CONNECTION_NAME = default(USB_NODE_CONNECTION_NAME);
uSB_NODE_CONNECTION_NAME.ConnectionIndex = this.PortPortNumber;
int num = Marshal.SizeOf(uSB_NODE_CONNECTION_NAME);
IntPtr intPtr2 = Marshal.AllocHGlobal(num);
Marshal.StructureToPtr(uSB_NODE_CONNECTION_NAME, intPtr2, true);
int num2 = default(int);
if (Acer_USB_Library.DeviceIoControl(intPtr, 2229268, intPtr2, num, intPtr2, num, out num2, IntPtr.Zero))
{
uSB_NODE_CONNECTION_NAME = (USB_NODE_CONNECTION_NAME)Marshal.PtrToStructure(intPtr2, typeof(USB_NODE_CONNECTION_NAME));
uSBHub.HubDevicePath = "\\\\.\\" + uSB_NODE_CONNECTION_NAME.NodeName;
}
IntPtr intPtr3 = Acer_USB_Library.CreateFile(uSBHub.HubDevicePath, 1073741824, 2, IntPtr.Zero, 3, 0, IntPtr.Zero);
if (intPtr3.ToInt32() != -1)
{
USB_NODE_INFORMATION uSB_NODE_INFORMATION = default(USB_NODE_INFORMATION);
uSB_NODE_INFORMATION.NodeType = 0;
num = Marshal.SizeOf(uSB_NODE_INFORMATION);
IntPtr intPtr4 = Marshal.AllocHGlobal(num);
Marshal.StructureToPtr(uSB_NODE_INFORMATION, intPtr4, true);
if (Acer_USB_Library.DeviceIoControl(intPtr3, 2229256, intPtr4, num, intPtr4, num, out num2, IntPtr.Zero))
{
uSB_NODE_INFORMATION = (USB_NODE_INFORMATION)Marshal.PtrToStructure(intPtr4, typeof(USB_NODE_INFORMATION));
uSBHub.HubIsBusPowered = Convert.ToBoolean(uSB_NODE_INFORMATION.HubInformation.HubIsBusPowered);
uSBHub.HubPortCount = uSB_NODE_INFORMATION.HubInformation.HubDescriptor.bNumberOfPorts;
}
Marshal.FreeHGlobal(intPtr4);
Acer_USB_Library.CloseHandle(intPtr3);
}
USBDevice device = this.GetDevice();
uSBHub.HubInstanceID = device.DeviceInstanceID;
uSBHub.HubManufacturer = device.Manufacturer;
uSBHub.HubProduct = device.Product;
uSBHub.HubSerialNumber = device.SerialNumber;
uSBHub.HubDriverKey = device.DriverKey;
Marshal.FreeHGlobal(intPtr2);
Acer_USB_Library.CloseHandle(intPtr);
}
return(uSBHub);
}
/// <summary>
/// Initializes USB
/// </summary>
private static void initUSB()
{
USB.USB.Init();
USBDrivers.Init();
USBHub.Init();
USBHIDMouse.Init();
USBHIDKeyboard.Init();
USBMSC.Init();
UHCI.Init();
EHCI.Init();
}
// private routine for enumerating a hub
static void ListHub(USBHub Hub, List <USBDevice> DevList)
{
foreach (USBPort Port in Hub.GetPorts())
{
if (Port.IsHub)
{
// recursive
ListHub(Port.GetHub(), DevList);
}
else
{
if (Port.IsDeviceConnected)
{
DevList.Add(Port.GetDevice());
}
}
}
}
public USBHub GetRootHub()
{
USBHub uSBHub = new USBHub();
uSBHub.HubIsRootHub = true;
uSBHub.HubDeviceDesc = "Root Hub";
IntPtr intPtr = Acer_USB_Library.CreateFile(this.ControllerDevicePath, 1073741824, 2, IntPtr.Zero, 3, 0, IntPtr.Zero);
if (intPtr.ToInt32() != -1)
{
int num = Marshal.SizeOf(default(USB_ROOT_HUB_NAME));
IntPtr intPtr2 = Marshal.AllocHGlobal(num);
int num2 = default(int);
if (Acer_USB_Library.DeviceIoControl(intPtr, 2229256, intPtr2, num, intPtr2, num, out num2, IntPtr.Zero))
{
USB_ROOT_HUB_NAME uSB_ROOT_HUB_NAME = (USB_ROOT_HUB_NAME)Marshal.PtrToStructure(intPtr2, typeof(USB_ROOT_HUB_NAME));
uSBHub.HubDevicePath = "\\\\.\\" + uSB_ROOT_HUB_NAME.RootHubName;
}
IntPtr intPtr3 = Acer_USB_Library.CreateFile(uSBHub.HubDevicePath, 1073741824, 2, IntPtr.Zero, 3, 0, IntPtr.Zero);
if (intPtr3.ToInt32() != -1)
{
USB_NODE_INFORMATION uSB_NODE_INFORMATION = default(USB_NODE_INFORMATION);
uSB_NODE_INFORMATION.NodeType = 0;
num = Marshal.SizeOf(uSB_NODE_INFORMATION);
IntPtr intPtr4 = Marshal.AllocHGlobal(num);
Marshal.StructureToPtr(uSB_NODE_INFORMATION, intPtr4, true);
if (Acer_USB_Library.DeviceIoControl(intPtr3, 2229256, intPtr4, num, intPtr4, num, out num2, IntPtr.Zero))
{
uSB_NODE_INFORMATION = (USB_NODE_INFORMATION)Marshal.PtrToStructure(intPtr4, typeof(USB_NODE_INFORMATION));
uSBHub.HubIsBusPowered = Convert.ToBoolean(uSB_NODE_INFORMATION.HubInformation.HubIsBusPowered);
uSBHub.HubPortCount = uSB_NODE_INFORMATION.HubInformation.HubDescriptor.bNumberOfPorts;
}
Marshal.FreeHGlobal(intPtr4);
Acer_USB_Library.CloseHandle(intPtr3);
}
Marshal.FreeHGlobal(intPtr2);
Acer_USB_Library.CloseHandle(intPtr);
}
return(uSBHub);
}
// private routine for enumerating a hub
static void SearchHubDriverKeyName(USBHub Hub, ref USBDevice FoundDevice, string DriverKeyName)
{
foreach (USBPort Port in Hub.GetPorts())
{
if (Port.IsHub)
{
// recursive
SearchHubDriverKeyName(Port.GetHub(), ref FoundDevice, DriverKeyName);
}
else
{
if (Port.IsDeviceConnected)
{
USBDevice Device = Port.GetDevice();
if (Device.DeviceDriverKey == DriverKeyName)
{
FoundDevice = Device;
break;
}
}
}
}
}
// private routine for enumerating a hub
static void SearchHubInstanceID(USBHub Hub, ref USBDevice FoundDevice, string InstanceID)
{
foreach (USBPort Port in Hub.GetPorts())
{
if (Port.IsHub)
{
// recursive
SearchHubInstanceID(Port.GetHub(), ref FoundDevice, InstanceID);
}
else
{
if (Port.IsDeviceConnected)
{
USBDevice Device = Port.GetDevice();
if (Device.InstanceID == InstanceID)
{
FoundDevice = Device;
break;
}
}
}
}
}
// Return Root Hub for this Controller
public USBHub GetRootHub()
{
IntPtr h, h2;
USBHub Root = new USBHub();
Root.HubIsRootHub = true;
Root.HubDeviceDesc = "Root Hub";
// Open a handle to the Host Controller
h = CreateFile(ControllerDevicePath, GENERIC_WRITE, FILE_SHARE_WRITE, IntPtr.Zero, OPEN_EXISTING, 0, IntPtr.Zero);
if (h.ToInt32() != INVALID_HANDLE_VALUE)
{
int nBytesReturned;
USB_ROOT_HUB_NAME HubName = new USB_ROOT_HUB_NAME();
int nBytes = Marshal.SizeOf(HubName);
IntPtr ptrHubName = Marshal.AllocHGlobal(nBytes);
// get the Hub Name
if (DeviceIoControl(h, IOCTL_USB_GET_ROOT_HUB_NAME, ptrHubName, nBytes, ptrHubName, nBytes, out nBytesReturned, IntPtr.Zero))
{
HubName = (USB_ROOT_HUB_NAME)Marshal.PtrToStructure(ptrHubName, typeof(USB_ROOT_HUB_NAME));
Root.HubDevicePath = @"\\.\" + HubName.RootHubName;
}
// TODO: Get DriverKeyName for Root Hub
// Now let's open the Hub (based upon the HubName we got above)
h2 = CreateFile(Root.HubDevicePath, GENERIC_WRITE, FILE_SHARE_WRITE, IntPtr.Zero, OPEN_EXISTING, 0, IntPtr.Zero);
if (h2.ToInt32() != INVALID_HANDLE_VALUE)
{
USB_NODE_INFORMATION NodeInfo = new USB_NODE_INFORMATION();
NodeInfo.NodeType = (int)USB_HUB_NODE.UsbHub;
nBytes = Marshal.SizeOf(NodeInfo);
IntPtr ptrNodeInfo = Marshal.AllocHGlobal(nBytes);
Marshal.StructureToPtr(NodeInfo, ptrNodeInfo, true);
// get the Hub Information
if (DeviceIoControl(h2, IOCTL_USB_GET_NODE_INFORMATION, ptrNodeInfo, nBytes, ptrNodeInfo, nBytes, out nBytesReturned, IntPtr.Zero))
{
NodeInfo = (USB_NODE_INFORMATION)Marshal.PtrToStructure(ptrNodeInfo, typeof(USB_NODE_INFORMATION));
Root.HubIsBusPowered = Convert.ToBoolean(NodeInfo.HubInformation.HubIsBusPowered);
Root.HubPortCount = NodeInfo.HubInformation.HubDescriptor.bNumberOfPorts;
}
Marshal.FreeHGlobal(ptrNodeInfo);
CloseHandle(h2);
}
Marshal.FreeHGlobal(ptrHubName);
CloseHandle(h);
}
return Root;
}
// return a down stream external hub
public USBHub GetHub()
{
if (!PortIsHub)
{
return null;
}
USBHub Hub = new USBHub();
IntPtr h, h2;
Hub.HubIsRootHub = false;
Hub.HubDeviceDesc = "External Hub";
// Open a handle to the Host Controller
h = CreateFile(PortHubDevicePath, GENERIC_WRITE, FILE_SHARE_WRITE, IntPtr.Zero, OPEN_EXISTING, 0, IntPtr.Zero);
if (h.ToInt32() != INVALID_HANDLE_VALUE)
{
// Get the DevicePath for downstream hub
int nBytesReturned;
USB_NODE_CONNECTION_NAME NodeName = new USB_NODE_CONNECTION_NAME();
NodeName.ConnectionIndex = PortPortNumber;
int nBytes = Marshal.SizeOf(NodeName);
IntPtr ptrNodeName = Marshal.AllocHGlobal(nBytes);
Marshal.StructureToPtr(NodeName, ptrNodeName, true);
// Use an IOCTL call to request the Node Name
if (DeviceIoControl(h, IOCTL_USB_GET_NODE_CONNECTION_NAME, ptrNodeName, nBytes, ptrNodeName, nBytes, out nBytesReturned, IntPtr.Zero))
{
NodeName = (USB_NODE_CONNECTION_NAME)Marshal.PtrToStructure(ptrNodeName, typeof(USB_NODE_CONNECTION_NAME));
Hub.HubDevicePath = @"\\.\" + NodeName.NodeName;
}
// Now let's open the Hub (based upon the HubName we got above)
h2 = CreateFile(Hub.HubDevicePath, GENERIC_WRITE, FILE_SHARE_WRITE, IntPtr.Zero, OPEN_EXISTING, 0, IntPtr.Zero);
if (h2.ToInt32() != INVALID_HANDLE_VALUE)
{
USB_NODE_INFORMATION NodeInfo = new USB_NODE_INFORMATION();
NodeInfo.NodeType = (int)USB_HUB_NODE.UsbHub;
nBytes = Marshal.SizeOf(NodeInfo);
IntPtr ptrNodeInfo = Marshal.AllocHGlobal(nBytes);
Marshal.StructureToPtr(NodeInfo, ptrNodeInfo, true);
// get the Hub Information
if (DeviceIoControl(h2, IOCTL_USB_GET_NODE_INFORMATION, ptrNodeInfo, nBytes, ptrNodeInfo, nBytes, out nBytesReturned, IntPtr.Zero))
{
NodeInfo = (USB_NODE_INFORMATION)Marshal.PtrToStructure(ptrNodeInfo, typeof(USB_NODE_INFORMATION));
Hub.HubIsBusPowered = Convert.ToBoolean(NodeInfo.HubInformation.HubIsBusPowered);
Hub.HubPortCount = NodeInfo.HubInformation.HubDescriptor.bNumberOfPorts;
}
Marshal.FreeHGlobal(ptrNodeInfo);
CloseHandle(h2);
}
// Fill in the missing Manufacture, Product, and SerialNumber values
// values by just creating a Device instance and copying the values
USBDevice Device = GetDevice();
Hub.HubInstanceID = Device.DeviceInstanceID;
Hub.HubManufacturer = Device.Manufacturer;
Hub.HubProduct = Device.Product;
Hub.HubSerialNumber = Device.SerialNumber;
Hub.HubDriverKey = Device.DriverKey;
Marshal.FreeHGlobal(ptrNodeName);
CloseHandle(h);
}
return Hub;
}
public USBPort(USBHub hub, uint index)
{
rootHub = hub;
portIndex = index;
GetPortInformation(this);
}
public USBController(string systemPath)
{
devicePath = systemPath;
systemClass = GetHCDDriverKeyName(devicePath);
rootHub = new USBHub(this);
}
// return a down stream external hub
public USBHub GetHub()
{
if (!PortIsHub)
{
return(null);
}
var Hub = new USBHub {
HubIsRootHub = false, HubDeviceDesc = "External Hub"
};
// Open a handle to the Host Controller
var h = CreateFile(PortHubDevicePath, GENERIC_WRITE, FILE_SHARE_WRITE, IntPtr.Zero, OPEN_EXISTING, 0, IntPtr.Zero);
if (h.ToInt32() == INVALID_HANDLE_VALUE)
{
return(Hub);
}
// Get the DevicePath for downstream hub
int nBytesReturned;
var NodeName = new USB_NODE_CONNECTION_NAME {
ConnectionIndex = PortPortNumber
};
var nBytes = Marshal.SizeOf(NodeName);
var ptrNodeName = Marshal.AllocHGlobal(nBytes);
Marshal.StructureToPtr(NodeName, ptrNodeName, true);
// Use an IOCTL call to request the Node Name
if (DeviceIoControl(h, IOCTL_USB_GET_NODE_CONNECTION_NAME, ptrNodeName, nBytes, ptrNodeName, nBytes, out nBytesReturned, IntPtr.Zero))
{
NodeName = (USB_NODE_CONNECTION_NAME)Marshal.PtrToStructure(ptrNodeName, typeof(USB_NODE_CONNECTION_NAME));
Hub.HubDevicePath = @"\\.\" + NodeName.NodeName;
}
// Now let's open the Hub (based upon the HubName we got above)
var h2 = CreateFile(Hub.HubDevicePath, GENERIC_WRITE, FILE_SHARE_WRITE, IntPtr.Zero, OPEN_EXISTING, 0, IntPtr.Zero);
if (h2.ToInt32() != INVALID_HANDLE_VALUE)
{
var NodeInfo = new USB_NODE_INFORMATION {
NodeType = (int)USB_HUB_NODE.UsbHub
};
nBytes = Marshal.SizeOf(NodeInfo);
var ptrNodeInfo = Marshal.AllocHGlobal(nBytes);
Marshal.StructureToPtr(NodeInfo, ptrNodeInfo, true);
// get the Hub Information
if (DeviceIoControl(h2, IOCTL_USB_GET_NODE_INFORMATION, ptrNodeInfo, nBytes, ptrNodeInfo, nBytes, out nBytesReturned, IntPtr.Zero))
{
NodeInfo = (USB_NODE_INFORMATION)Marshal.PtrToStructure(ptrNodeInfo, typeof(USB_NODE_INFORMATION));
Hub.HubIsBusPowered = Convert.ToBoolean(NodeInfo.HubInformation.HubIsBusPowered);
Hub.HubPortCount = NodeInfo.HubInformation.HubDescriptor.bNumberOfPorts;
}
Marshal.FreeHGlobal(ptrNodeInfo);
CloseHandle(h2);
}
// Fill in the missing Manufacture, Product, and SerialNumber values
// values by just creating a Device instance and copying the values
var Device = GetDevice();
Hub.HubInstanceID = Device.DeviceInstanceID;
Hub.HubManufacturer = Device.Manufacturer;
Hub.HubProduct = Device.Product;
Hub.HubSerialNumber = Device.SerialNumber;
Hub.HubDriverKey = Device.DriverKey;
Marshal.FreeHGlobal(ptrNodeName);
CloseHandle(h);
return(Hub);
}
