/// <summary> /// Find the Nintendo USB controller. Also save HID capabilities for device for later. /// </summary> /// <returns></returns> public bool FindController() { bool deviceFound = false; Guid hidGuid = Guid.Empty; String[] devicePathName = new String[255]; Int32 memberIndex = 0; bool success = false; try { myDeviceDetected = false; CloseCommunications(); // Get the Guid associated with USB HID class. Hid.HidD_GetHidGuid(ref hidGuid); Debug.WriteLineIf(WRITE_DEBUG_INFO, MyDebugging.ResultOfAPICall("Hid.HidD_GetHidGuid")); // Get all attached HIDs. I am assuming there are a maximum of 128. deviceFound = MyDeviceManagement.FindDeviceFromGuid(hidGuid, ref devicePathName); if (deviceFound) { memberIndex = 0; // Loop through all USB HIDs found and look for my VID/PID. do { // Open HID handle without read nor write access to get info. hidHandle = FileIO.CreateFile( devicePathName[memberIndex], 0, FileIO.FILE_SHARE_READ | FileIO.FILE_SHARE_WRITE, IntPtr.Zero, FileIO.OPEN_EXISTING, 0, 0); Debug.WriteLineIf(WRITE_DEBUG_INFO, MyDebugging.ResultOfAPICall("FileIO.CreateFile")); if (!hidHandle.IsInvalid) { // Get DeviceAttribute size in bytes. MyHid.DeviceAttributes.Size = Marshal.SizeOf(MyHid.DeviceAttributes); // Get HID attributes. success = Hid.HidD_GetAttributes(hidHandle, ref MyHid.DeviceAttributes); if (success) { if (MyHid.DeviceAttributes.VendorID == USB_NINTENDO_VID && MyHid.DeviceAttributes.ProductID == USB_NINTENDO_PID) { myDeviceDetected = true; myDevicePathName = devicePathName[memberIndex]; } else { // Not a match - close handle. hidHandle.Close(); } } else { // There was a problem trying to retrieve the HID info. Debug.WriteLineIf(WRITE_DEBUG_INFO, "Error trying to get HID attributes in " + "UsbSingleNintendoController.FindController() when calling " + "Hid.HidD_GetAttributes(...)"); hidHandle.Close(); } } // Prepare to go to next index. memberIndex++; }while (!((myDeviceDetected || (memberIndex == devicePathName.Length)))); } // If device found, wire it up to this class. if (myDeviceDetected) { // Only allow a very few number of input reports to be queued. MyHid.SetNumberOfInputBuffers(hidHandle, USB_NUMBER_INPUT_REPORT_BUFFERS); Debug.WriteLineIf(WRITE_DEBUG_INFO, MyDebugging.ResultOfAPICall("MyHid.SetNumberOfInputBuffers")); // Register for notification if HID removed or attached. success = MyDeviceManagement.RegisterForDeviceNotifications(myDevicePathName, this.Handle, hidGuid, ref deviceNotificationHandle); Debug.WriteLineIf(WRITE_DEBUG_INFO && !success, "Failed at: MyDeviceManagement.RegisterForDeviceNotifications"); // Get capabilities report for report sizes. MyHid.Capabilities = MyHid.GetDeviceCapabilities(hidHandle); Debug.WriteLineIf(WRITE_DEBUG_INFO, MyDebugging.ResultOfAPICall("MyHid.GetDeviceCapabilities")); if (success) { // Close handle then reopen in RW mode. hidHandle.Close(); hidHandle = FileIO.CreateFile( myDevicePathName, FileIO.GENERIC_READ | FileIO.GENERIC_WRITE, FileIO.FILE_SHARE_READ | FileIO.FILE_SHARE_WRITE, IntPtr.Zero, FileIO.OPEN_EXISTING, 0, 0); #pragma warning disable Debug.WriteLineIf(WRITE_DEBUG_INFO && hidHandle.IsInvalid, "File handle invalid at: FileIO.CreateFile(read/write)"); #pragma warning restore Debug.WriteLineIf(WRITE_DEBUG_INFO, MyDebugging.ResultOfAPICall("FileIO.CreateFile(read/write)")); if (MyHid.Capabilities.InputReportByteLength > 0) { fileStreamDeviceData = new FileStream( hidHandle, FileAccess.ReadWrite, MyHid.Capabilities.InputReportByteLength, false); } MyHid.FlushQueue(hidHandle); } } } catch (Exception ex) { Debug.WriteLineIf(WRITE_DEBUG_INFO, ex.Message); deviceFound = false; } return(deviceFound); }
/// <summary> /// Taken from Jan Axelson's USB Bulk Transfer implementation. /// Finds the device if it exists, retrieves the handle to it. Subscribes the main /// form to receive notifications from /// the device. This function should only be called from the main code until the deivice is initially /// </summary> /// <returns></returns> public bool FindMyDevice() { Boolean deviceFound = false; String devPathName = ""; Boolean success = false; isDeviceDetected = false; try { if (!(isDeviceDetected)) { // Convert the device interface GUID String to a GUID object: System.Guid winusb_device_guid = new System.Guid(deviceGUID); // Fill an array with the device path names of all attached devices with matching GUIDs. deviceFound = deviceManager.FindDeviceFromGuid (winusb_device_guid, ref devPathName); if (deviceFound == true) { success = device.GetDeviceHandle(devPathName); if (success) { isDeviceDetected = true; // Save DevicePathName so OnDeviceChange() knows which name is my device. devicePathName = devPathName; } else { // There was a problem in retrieving the information. isDeviceDetected = false; device.CloseDeviceHandle(); } } if (isDeviceDetected) { // The device was detected. // Register to receive notifications if the device is removed or attached. if (deviceNotificationHandle == IntPtr.Zero) { success = deviceManager.RegisterForDeviceNotifications (devicePathName, formReference.Handle, winusb_device_guid, ref deviceNotificationHandle); } if (success) { device.InitializeDevice(); } } } return(isDeviceDetected); } catch (Exception ex) { throw ex; } }
private static Boolean FindBootloader_WIN() { Boolean deviceFound; String devicePathName = ""; Boolean success; try { if (!(HID.BootloaderDetected)) { // Convert the device interface GUID String to a GUID object: System.Guid winUsbDemoGuid = new System.Guid(variables.BOOTLOADER_GUID_STRING); // Fill an array with the device path names of all attached devices with matching GUIDs. deviceFound = BootloaderManagement.FindDeviceFromGuid (winUsbDemoGuid, ref devicePathName); if (variables.debugme) { Console.WriteLine("DemoN - {0}", devicePathName); } if (deviceFound == true) { success = Bootloader.GetDeviceHandle(devicePathName); if (success) { if (variables.debugme) { Console.WriteLine("Bootloader attached -85"); } HID.BootloaderDetected = true; // Save DevicePathName so OnDeviceChange() knows which name is my device. BootloaderPathName = devicePathName; } else { // There was a problem in retrieving the information. HID.BootloaderDetected = false; Bootloader.CloseDeviceHandle(); } } if (HID.BootloaderDetected) { // The device was detected. // Register to receive notifications if the device is removed or attached. if (variables.debugme) { Console.WriteLine("Bootloader attached.-106"); } success = BootloaderManagement.RegisterForDeviceNotifications (BootloaderPathName, MainForm.frmMy.Handle, winUsbDemoGuid, ref BootloaderNotificationHandle); if (success) { if (Bootloader.InitializeDevice()) { if (variables.debugme) { Console.WriteLine("Bootloader attached.-117"); } } else { if (variables.debugme) { Console.WriteLine("failed 121"); } } } else { if (variables.debugme) { Console.WriteLine("failed 126"); } } } else { if (variables.debugme) { Console.WriteLine("Bootloader not found."); } } } else { if (variables.debugme) { Console.WriteLine("Bootloader attached.-128"); } } return(HID.BootloaderDetected); } catch (Exception ex) { if (variables.debugme) { Console.WriteLine(ex.ToString()); } return(false); } }
/// <summary> /// Uses a series of API calls to locate a HID-class device /// by its Vendor ID and Product ID. /// Fills myDevicePathName with a path to device found, readHandle and writeHandle. Registers for Device Notifications (attached / detached type of events). /// </summary> /// /// <returns> /// True if the device is detected, False if not detected. /// </returns> private Boolean FindTheHid(Int32 myVendorID, Int32 myProductID) { Boolean someHidDevicesFound = false; String[] devicePathName = new String[128]; String functionName = ""; Guid hidGuid = Guid.Empty; Int32 memberIndex = 0; Boolean success = false; try { myDeviceDetected = false; Tracer.Trace(string.Format("FindTheHid(0x{0:X04}, 0x{1:X04})", myVendorID, myProductID)); // *** // API function: 'HidD_GetHidGuid // Purpose: Retrieves the interface class GUID for the HID class. // Accepts: 'A System.Guid object for storing the GUID. // *** Hid.HidD_GetHidGuid(ref hidGuid); functionName = "GetHidGuid"; Tracer.Trace(MyDebugging.ResultOfAPICall(functionName)); Tracer.Trace(" GUID for system HIDs: " + hidGuid.ToString()); // Fill an array with the device path names of all attached HIDs. someHidDevicesFound = MyDeviceManagement.FindDeviceFromGuid(hidGuid, ref devicePathName); // If there is at least one HID, attempt to read the Vendor ID and Product ID // of each device until there is a match or all devices have been examined. // // Fill myDevicePathName with a path to device found. if (someHidDevicesFound) { memberIndex = 0; // Tracer.Trace(" total number of HID devices: " + devicePathName.Length); // will be something like 128, a lot of empty paths there. do { // *** // API function: // CreateFile // Purpose: // Retrieves a handle to a device. // Accepts: // A device path name returned by SetupDiGetDeviceInterfaceDetail // The type of access requested (read/write). // FILE_SHARE attributes to allow other processes to access the device while this handle is open. // A Security structure or IntPtr.Zero. // A creation disposition value. Use OPEN_EXISTING for devices. // Flags and attributes for files. Not used for devices. // Handle to a template file. Not used. // Returns: a handle without read or write access. // This enables obtaining information about all HIDs, even system // keyboards and mice. // Separate handles are used for reading and writing. // *** if (!string.IsNullOrEmpty(devicePathName[memberIndex])) { Tracer.Trace(" trying HID device path '" + devicePathName[memberIndex] + "'"); hidHandle = FileIO.CreateFile(devicePathName[memberIndex], 0, FileIO.FILE_SHARE_READ | FileIO.FILE_SHARE_WRITE, IntPtr.Zero, FileIO.OPEN_EXISTING, 0, 0); functionName = "CreateFile"; Tracer.Trace(MyDebugging.ResultOfAPICall(functionName)); Tracer.Trace(" FindTheHid(): some HID device found, returned handle: " + hidHandle.ToString()); if (!hidHandle.IsInvalid) { // The returned handle is valid, // so find out if this is the device we're looking for. // Set the Size property of DeviceAttributes to the number of bytes in the structure. MyHid.DeviceAttributes.Size = Marshal.SizeOf(MyHid.DeviceAttributes); // *** // API function: // HidD_GetAttributes // Purpose: // Retrieves a HIDD_ATTRIBUTES structure containing the Vendor ID, // Product ID, and Product Version Number for a device. // Accepts: // A handle returned by CreateFile. // A pointer to receive a HIDD_ATTRIBUTES structure. // Returns: // True on success, False on failure. // *** success = Hid.HidD_GetAttributes(hidHandle, ref MyHid.DeviceAttributes); if (success) { Tracer.Trace(" HIDD_ATTRIBUTES structure filled without error."); Tracer.Trace(" Structure size: " + MyHid.DeviceAttributes.Size); Tracer.Trace(string.Format(" Vendor ID: 0x{0:X04}", MyHid.DeviceAttributes.VendorID)); Tracer.Trace(string.Format(" Product ID: 0x{0:X04}", MyHid.DeviceAttributes.ProductID)); Tracer.Trace(string.Format(" Version Number: 0x{0:X04}", MyHid.DeviceAttributes.VersionNumber)); // Find out if the device matches the one we're looking for. if ((MyHid.DeviceAttributes.VendorID == myVendorID) && (MyHid.DeviceAttributes.ProductID == myProductID)) { Tracer.Trace(" My device detected"); myDeviceDetected = true; // Save the DevicePathName for OnDeviceChange(). myDevicePathName = devicePathName[memberIndex]; } else { // It's not a match, so close the handle. Tracer.Trace(" (This is not My Device)"); myDeviceDetected = false; hidHandle.Close(); } } else { // There was a problem in retrieving the information. Tracer.Trace(" Error in filling HIDD_ATTRIBUTES structure."); myDeviceDetected = false; hidHandle.Close(); } } } // Keep looking until we find the device or there are no devices left to examine. memberIndex = memberIndex + 1; }while (!((myDeviceDetected || (memberIndex == devicePathName.Length)))); } if (myDeviceDetected) { // The device was detected. // Register to receive notifications if the device is removed or attached. success = MyDeviceManagement.RegisterForDeviceNotifications(myDevicePathName, WindowHandle, hidGuid, ref deviceNotificationHandle); Tracer.Trace("RegisterForDeviceNotifications = " + success); // Learn the capabilities of the device. MyHid.Capabilities = MyHid.GetDeviceCapabilities(hidHandle); if (success) { // Find out if the device is a system mouse or keyboard. hidUsage = MyHid.GetHidUsage(MyHid.Capabilities); // Get the Input report buffer size. GetInputReportBufferSize(); // Get handles to use in requesting Input and Output reports. readHandle = FileIO.CreateFile(myDevicePathName, FileIO.GENERIC_READ, FileIO.FILE_SHARE_READ | FileIO.FILE_SHARE_WRITE, IntPtr.Zero, FileIO.OPEN_EXISTING, FileIO.FILE_FLAG_OVERLAPPED, 0); functionName = "CreateFile, ReadHandle"; Tracer.Trace(MyDebugging.ResultOfAPICall(functionName)); Tracer.Trace(" FindTheHid(): success, returned handle: " + readHandle.ToString()); if (readHandle.IsInvalid) { exclusiveAccess = true; Tracer.Error("The device is a system " + hidUsage + ". Applications can access Feature reports only."); } else { writeHandle = FileIO.CreateFile(myDevicePathName, FileIO.GENERIC_WRITE, FileIO.FILE_SHARE_READ | FileIO.FILE_SHARE_WRITE, IntPtr.Zero, FileIO.OPEN_EXISTING, 0, 0); functionName = "CreateFile, WriteHandle"; Tracer.Trace(MyDebugging.ResultOfAPICall(functionName)); Tracer.Trace(" FindTheHid(): handle valid, returned handle: " + writeHandle.ToString()); // Flush any waiting reports in the input buffer. (optional) MyHid.FlushQueue(readHandle); } } } else { // The device wasn't detected. Tracer.Error(string.Format("My Device not found - need a HID with vendorId={0}, productId={1}.", vendorId, productId)); } return(myDeviceDetected); } catch (Exception ex) { Tracer.Error(ex); throw; } }
public static void RegisterForDeviceNotifications(IntPtr handle, ref IntPtr notificationHandle) { _deviceManager.RegisterForDeviceNotifications(_devicePathName, handle, WinUsbDemoGuid, ref notificationHandle); }
/// <summary> /// Uses a series of API calls to locate a HID-class device /// by its Vendor ID and Product ID. /// </summary> /// /// <returns> /// True if the device is detected, False if not detected. /// </returns> public static Boolean FindTheHid( int myVendorID , int myProductID , ref IntPtr FrmMyHandle , ref IntPtr deviceNotificationHandle , ref Boolean exclusiveAccess , ref String hidUsage , ref Boolean myDeviceDetected , ref String myDevicePathName , ref FileStream fileStreamDeviceData , ref SafeFileHandle hidHandle , ref DeviceManagement MyDeviceManagement , ref Hid MyHid , ref string message , ref string txtInputReportBufferSize ) { Boolean deviceFound = false; String[] devicePathName = new String[128]; Guid hidGuid = Guid.Empty; Int32 memberIndex = 0; //Int32 myProductID = 0; //Int32 myVendorID = 0; Boolean success = false; try { myDeviceDetected = false; CloseCommunications( ref myDeviceDetected , ref fileStreamDeviceData , ref hidHandle ); // Get the device's Vendor ID and Product ID //myVendorID = Main.CardReader_VID; //myProductID = Main.CardReader_PID; // *** // API function: 'HidD_GetHidGuid // Purpose: Retrieves the interface class GUID for the HID class. // Accepts: 'A System.Guid object for storing the GUID. // *** Hid.HidD_GetHidGuid(ref hidGuid); // Fill an array with the device path names of all attached HIDs. deviceFound = MyDeviceManagement.FindDeviceFromGuid(hidGuid, ref devicePathName); // If there is at least one HID, attempt to read the Vendor ID and Product ID // of each device until there is a match or all devices have been examined. if (deviceFound) { memberIndex = 0; do { // *** // API function: // CreateFile // Purpose: // Retrieves a handle to a device. // Accepts: // A device path name returned by SetupDiGetDeviceInterfaceDetail // The type of access requested (read/write). // FILE_SHARE attributes to allow other processes to access the device while this handle is open. // A Security structure or IntPtr.Zero. // A creation disposition value. Use OPEN_EXISTING for devices. // Flags and attributes for files. Not used for devices. // Handle to a template file. Not used. // Returns: a handle without read or write access. // This enables obtaining information about all HIDs, even system // keyboards and mice. // Separate handles are used for reading and writing. // *** // Open the handle without read/write access to enable getting information about any HID, even system keyboards and mice. hidHandle = FileIO.CreateFile(devicePathName[memberIndex], 0, FileIO.FILE_SHARE_READ | FileIO.FILE_SHARE_WRITE, IntPtr.Zero, FileIO.OPEN_EXISTING, 0, 0); if (!hidHandle.IsInvalid) { // The returned handle is valid, // so find out if this is the device we're looking for. // Set the Size property of DeviceAttributes to the number of bytes in the structure. MyHid.DeviceAttributes.Size = Marshal.SizeOf(MyHid.DeviceAttributes); // *** // API function: // HidD_GetAttributes // Purpose: // Retrieves a HIDD_ATTRIBUTES structure containing the Vendor ID, // Product ID, and Product Version Number for a device. // Accepts: // A handle returned by CreateFile. // A pointer to receive a HIDD_ATTRIBUTES structure. // Returns: // True on success, False on failure. // *** success = Hid.HidD_GetAttributes(hidHandle, ref MyHid.DeviceAttributes); if (success) { // Find out if the device matches the one we're looking for. if ((MyHid.DeviceAttributes.VendorID == myVendorID) && (MyHid.DeviceAttributes.ProductID == myProductID)) { // Display the information in form's list box. message = "was found."; myDeviceDetected = true; // Save the DevicePathName for OnDeviceChange(). myDevicePathName = devicePathName[memberIndex]; } else { // It's not a match, so close the handle. myDeviceDetected = false; hidHandle.Close(); } } else { // There was a problem in retrieving the information. //Debug.WriteLine(" Error in filling HIDD_ATTRIBUTES structure."); myDeviceDetected = false; hidHandle.Close(); } } // Keep looking until we find the device or there are no devices left to examine. memberIndex = memberIndex + 1; }while (!((myDeviceDetected || (memberIndex == devicePathName.Length)))); } if (myDeviceDetected) { // The device was detected. // Register to receive notifications if the device is removed or attached. success = MyDeviceManagement.RegisterForDeviceNotifications(myDevicePathName, FrmMyHandle, hidGuid, ref deviceNotificationHandle); // Learn the capabilities of the device. MyHid.Capabilities = MyHid.GetDeviceCapabilities(hidHandle); if (success) { // Find out if the device is a system mouse or keyboard. hidUsage = MyHid.GetHidUsage(MyHid.Capabilities); // Get the Input report buffer size. GetInputReportBufferSize( ref exclusiveAccess , ref hidHandle , ref MyHid , ref txtInputReportBufferSize ); //Close the handle and reopen it with read/write access. hidHandle.Close(); hidHandle = FileIO.CreateFile(myDevicePathName, FileIO.GENERIC_READ | FileIO.GENERIC_WRITE, FileIO.FILE_SHARE_READ | FileIO.FILE_SHARE_WRITE, IntPtr.Zero, FileIO.OPEN_EXISTING, 0, 0); if (hidHandle.IsInvalid) { exclusiveAccess = true; } else { if (MyHid.Capabilities.InputReportByteLength > 0) { // Set the size of the Input report buffer. Byte[] inputReportBuffer = null; inputReportBuffer = new Byte[MyHid.Capabilities.InputReportByteLength]; fileStreamDeviceData = new FileStream(hidHandle, FileAccess.Read | FileAccess.Write, inputReportBuffer.Length, false); } if (MyHid.Capabilities.OutputReportByteLength > 0) { Byte[] outputReportBuffer = null; outputReportBuffer = new Byte[MyHid.Capabilities.OutputReportByteLength]; } // Flush any waiting reports in the input buffer. (optional) MyHid.FlushQueue(hidHandle); } } } else { // The device wasn't detected. myDeviceDetected = false; message = "not found."; } return(myDeviceDetected); } catch (Exception ex) { DisplayException("FindTheHid", ex); //throw; } return(false); }
public static bool FindNia(IntPtr Handle) { bool success = false; try { // Get the guid for the system hid class Guid hidGuid = Guid.Empty; GenericHid.Hid.HidD_GetHidGuid(ref hidGuid); // Find all devices of type hid string[] deviceCollection = new String[128]; DeviceManagement deviceManagement = new DeviceManagement(); bool devicesFound = deviceManagement.FindDeviceFromGuid(hidGuid, ref deviceCollection); // Did we find any hid devices ? if (devicesFound) { int memberIndex = 0; do { // try to get a handle on the current hid device in the list hidHandle = GenericHid.FileIO.CreateFile(deviceCollection[memberIndex], 0, GenericHid.FileIO.FILE_SHARE_READ | GenericHid.FileIO.FILE_SHARE_WRITE, null, GenericHid.FileIO.OPEN_EXISTING, 0, 0); if (!hidHandle.IsInvalid) { // Set the Size property of DeviceAttributes to the number of bytes in the structure. MyHid.DeviceAttributes.Size = Marshal.SizeOf(MyHid.DeviceAttributes); // try to get the hid's information success = GenericHid.Hid.HidD_GetAttributes(hidHandle, ref MyHid.DeviceAttributes); if (success) { if ((MyHid.DeviceAttributes.VendorID == 4660) & (MyHid.DeviceAttributes.ProductID == 0)) { NiaDetected = true; // Save the DevicePathName for OnDeviceChange(). NiaPathName = deviceCollection[memberIndex]; } else { NiaDetected = false; hidHandle.Close(); } } else { NiaDetected = false; hidHandle.Close(); } } // Keep looking until we find the device or there are no devices left to examine. memberIndex = memberIndex + 1; } while (!((NiaDetected | (memberIndex == deviceCollection.Length)))); // Did we find a NIA ? if (NiaDetected) { // The device was detected. // Register to receive notifications if the device is removed or attached. success = deviceManagement.RegisterForDeviceNotifications(NiaPathName, Handle, hidGuid, ref deviceNotificationHandle); if (success) { // Get handles to use in requesting Input and Output reports. readHandle = GenericHid.FileIO.CreateFile(NiaPathName, GenericHid.FileIO.GENERIC_READ, GenericHid.FileIO.FILE_SHARE_READ | GenericHid.FileIO.FILE_SHARE_WRITE, null, GenericHid.FileIO.OPEN_EXISTING, GenericHid.FileIO.FILE_FLAG_OVERLAPPED, 0); if (!readHandle.IsInvalid) { writeHandle = GenericHid.FileIO.CreateFile(NiaPathName, GenericHid.FileIO.GENERIC_WRITE, GenericHid.FileIO.FILE_SHARE_READ | GenericHid.FileIO.FILE_SHARE_WRITE, null, GenericHid.FileIO.OPEN_EXISTING, 0, 0); MyHid.FlushQueue(readHandle); } } } } return(NiaDetected); } catch (Exception ex) { throw ex; } }