Exemplo n.º 1
0
        /// <summary>
        /// Connect to a Wiimote paired to the PC via Bluetooth
        /// </summary>
        public void Connect()
        {
            int  index = 0;
            bool found = false;
            Guid guid;

            // get the GUID of the HID class
            HIDImports.HidD_GetHidGuid(out guid);

            // get a handle to all devices that are part of the HID class
            // Fun fact:  DIGCF_PRESENT worked on my machine just fine.  I reinstalled Vista, and now it no longer finds the Wiimote with that parameter enabled...
            IntPtr hDevInfo = HIDImports.SetupDiGetClassDevs(ref guid, null, IntPtr.Zero, HIDImports.DIGCF_DEVICEINTERFACE);// | HIDImports.DIGCF_PRESENT);

            // create a new interface data struct and initialize its size
            HIDImports.SP_DEVICE_INTERFACE_DATA diData = new HIDImports.SP_DEVICE_INTERFACE_DATA();
            diData.cbSize = Marshal.SizeOf(diData);

            // get a device interface to a single device (enumerate all devices)
            while (HIDImports.SetupDiEnumDeviceInterfaces(hDevInfo, IntPtr.Zero, ref guid, index, ref diData))
            {
                UInt32 size;

                // get the buffer size for this device detail instance (returned in the size parameter)
                HIDImports.SetupDiGetDeviceInterfaceDetail(hDevInfo, ref diData, IntPtr.Zero, 0, out size, IntPtr.Zero);

                // create a detail struct and set its size
                HIDImports.SP_DEVICE_INTERFACE_DETAIL_DATA diDetail = new HIDImports.SP_DEVICE_INTERFACE_DETAIL_DATA();

                // yeah, yeah...well, see, on Win x86, cbSize must be 5 for some reason.  On x64, apparently 8 is what it wants.
                // someday I should figure this out.  Thanks to Paul Miller on this...
                diDetail.cbSize = (uint)(IntPtr.Size == 8 ? 8 : 5);

                // actually get the detail struct
                if (HIDImports.SetupDiGetDeviceInterfaceDetail(hDevInfo, ref diData, ref diDetail, size, out size, IntPtr.Zero))
                {
                    Debug.WriteLine(index + " " + diDetail.DevicePath + " " + Marshal.GetLastWin32Error());

                    // open a read/write handle to our device using the DevicePath returned
                    mHandle = HIDImports.CreateFile(diDetail.DevicePath, FileAccess.ReadWrite, FileShare.ReadWrite, IntPtr.Zero, FileMode.Open, HIDImports.EFileAttributes.Overlapped, IntPtr.Zero);

                    // create an attributes struct and initialize the size
                    HIDImports.HIDD_ATTRIBUTES attrib = new HIDImports.HIDD_ATTRIBUTES();
                    attrib.Size = Marshal.SizeOf(attrib);

                    // get the attributes of the current device
                    if (HIDImports.HidD_GetAttributes(mHandle.DangerousGetHandle(), ref attrib))
                    {
                        // if the vendor and product IDs match up
                        if (attrib.VendorID == VID && attrib.ProductID == PID)
                        {
                            Debug.WriteLine("Found it!");
                            found = true;

                            // create a nice .NET FileStream wrapping the handle above
                            mStream = new FileStream(mHandle, FileAccess.ReadWrite, REPORT_LENGTH, true);

                            // start an async read operation on it
                            BeginAsyncRead();

                            // read the calibration info from the controller
                            try
                            {
                                ReadCalibration();
                            }
                            catch
                            {
                                // if we fail above, try the alternate HID writes
                                mAltWriteMethod = true;
                                ReadCalibration();
                            }

                            // force a status check to get the state of any extensions plugged in at startup
                            GetStatus();

                            break;
                        }
                        else
                        {
                            // otherwise this isn't the controller, so close up the file handle
                            mHandle.Close();
                        }
                    }
                }
                else
                {
                    // failed to get the detail struct
                    throw new WiimoteException("SetupDiGetDeviceInterfaceDetail failed on index " + index);
                }

                // move to the next device
                index++;
            }

            // clean up our list
            HIDImports.SetupDiDestroyDeviceInfoList(hDevInfo);

            // if we didn't find a Wiimote, throw an exception
            if (!found)
            {
                throw new WiimoteException("Wiimote not found in HID device list.");
            }
        }
Exemplo n.º 2
0
        /// <summary>
        /// Connect to a Wiimote paired to the PC via Bluetooth
        /// </summary>
        public void Connect()
        {
            int index = 0;
            bool found = false;
            Guid guid;

            // get the GUID of the HID class
            HIDImports.HidD_GetHidGuid(out guid);

            // get a handle to all devices that are part of the HID class
            // Fun fact:  DIGCF_PRESENT worked on my machine just fine.  I reinstalled Vista, and now it no longer finds the Wiimote with that parameter enabled...
            IntPtr hDevInfo = HIDImports.SetupDiGetClassDevs(ref guid, null, IntPtr.Zero, HIDImports.DIGCF_DEVICEINTERFACE);// | HIDImports.DIGCF_PRESENT);

            // create a new interface data struct and initialize its size
            HIDImports.SP_DEVICE_INTERFACE_DATA diData = new HIDImports.SP_DEVICE_INTERFACE_DATA();
            diData.cbSize = Marshal.SizeOf(diData);

            // get a device interface to a single device (enumerate all devices)
            while (HIDImports.SetupDiEnumDeviceInterfaces(hDevInfo, IntPtr.Zero, ref guid, index, ref diData))
            {
                UInt32 size;

                // get the buffer size for this device detail instance (returned in the size parameter)
                HIDImports.SetupDiGetDeviceInterfaceDetail(hDevInfo, ref diData, IntPtr.Zero, 0, out size, IntPtr.Zero);

                // create a detail struct and set its size
                HIDImports.SP_DEVICE_INTERFACE_DETAIL_DATA diDetail = new HIDImports.SP_DEVICE_INTERFACE_DETAIL_DATA();

                // yeah, yeah...well, see, on Win x86, cbSize must be 5 for some reason.  On x64, apparently 8 is what it wants.
                // someday I should figure this out.  Thanks to Paul Miller on this...
                diDetail.cbSize = (uint)(IntPtr.Size == 8 ? 8 : 5);

                // actually get the detail struct
                if (HIDImports.SetupDiGetDeviceInterfaceDetail(hDevInfo, ref diData, ref diDetail, size, out size, IntPtr.Zero))
                {
                    Debug.WriteLine(index + " " + diDetail.DevicePath + " " + Marshal.GetLastWin32Error());

                    // open a read/write handle to our device using the DevicePath returned
                    mHandle = HIDImports.CreateFile(diDetail.DevicePath, FileAccess.ReadWrite, FileShare.ReadWrite, IntPtr.Zero, FileMode.Open, HIDImports.EFileAttributes.Overlapped, IntPtr.Zero);

                    // create an attributes struct and initialize the size
                    HIDImports.HIDD_ATTRIBUTES attrib = new HIDImports.HIDD_ATTRIBUTES();
                    attrib.Size = Marshal.SizeOf(attrib);

                    // get the attributes of the current device
                    if (HIDImports.HidD_GetAttributes(mHandle.DangerousGetHandle(), ref attrib))
                    {
                        // if the vendor and product IDs match up
                        if (attrib.VendorID == VID && attrib.ProductID == PID)
                        {
                            Debug.WriteLine("Found it!");
                            found = true;

                            // create a nice .NET FileStream wrapping the handle above
                            mStream = new FileStream(mHandle, FileAccess.ReadWrite, REPORT_LENGTH, true);

                            // start an async read operation on it
                            BeginAsyncRead();

                            // read the calibration info from the controller
                            try
                            {
                                ReadCalibration();
                            }
                            catch
                            {
                                // if we fail above, try the alternate HID writes
                                mAltWriteMethod = true;
                                ReadCalibration();
                            }

                            // force a status check to get the state of any extensions plugged in at startup
                            GetStatus();

                            break;
                        }
                        else
                        {
                            // otherwise this isn't the controller, so close up the file handle
                            mHandle.Close();
                        }
                    }
                }
                else
                {
                    // failed to get the detail struct
                    throw new WiimoteException("SetupDiGetDeviceInterfaceDetail failed on index " + index);
                }

                // move to the next device
                index++;
            }

            // clean up our list
            HIDImports.SetupDiDestroyDeviceInfoList(hDevInfo);

            // if we didn't find a Wiimote, throw an exception
            if (!found)
                throw new WiimoteException("Wiimote not found in HID device list.");
        }