private SetupDiEnumDeviceInterfaces ( |
||
hDevInfo | ||
devInvo | ||
interfaceClassGuid | System.Guid | |
memberIndex | ||
deviceInterfaceData | SP_DEVICE_INTERFACE_DATA | |
return | System.Boolean |
public void Connect() { bool found = false; Guid guid; uint index = 0; // 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 = 0; // 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... if (IntPtr.Size == 8) { diDetail.cbSize = 8; } else { diDetail.cbSize = 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) { if (!IsRemoteConnected((int)index)) { Debug.WriteLine("Found it!"); found = true; remoteID = (int)index; connectedRemoteIDs.Add(remoteID); // 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 ReadCalibration(); 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 Exception("SetupDiGetDeviceInterfaceDetail failed on index " + index); } // move to the next device index++; } // if we didn't find a Wiimote, throw an exception if (!found) { throw new Exception("No available Wiimote not found."); } // clean up our list HIDImports.SetupDiDestroyDeviceInfoList(hDevInfo); }
internal static void FindWiimote(WiimoteFoundDelegate wiimoteFound) { int index = 0; bool found = false; Guid guid; SafeFileHandle wiiHandle; // 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(string.Format("{0}: {1} - {2}", index, diDetail.DevicePath, Marshal.GetLastWin32Error())); // open a read/write handle to our device using the DevicePath returned wiiHandle = 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(wiiHandle.DangerousGetHandle(), ref attrib)) { // if the vendor and product IDs match up if (attrib.VendorID == VID && attrib.ProductID == PID) { // it's a Wiimote Debug.WriteLine("Found one!"); found = true; // fire the callback function...if the callee doesn't care about more Wiimotes, break out if (!wiimoteFound(diDetail.DevicePath)) { break; } } } wiiHandle.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 WiimoteNotFoundException("No Wiimotes found in HID device list."); } }