public void RunScanner()
{
int usbVendor = (int)TreehopperUsb.Settings.Vid;
int usbProduct = (int)TreehopperUsb.Settings.Pid;
IntPtr gAddedIter = IntPtr.Zero;
var matchingDict = NativeMethods.IOServiceMatching(IOKitFramework.kIOUSBDeviceClassName);
if (matchingDict == IntPtr.Zero)
{
throw new Exception("IOServiceMatching returned NULL");
}
var numberRef = NativeMethods.CFNumberCreate(IOKitFramework.kCFAllocatorDefault, CFNumberType.kCFNumberSInt32Type, ref usbVendor);
NativeMethods.CFDictionarySetValue(matchingDict, NativeMethods.__CFStringMakeConstantString(IOKitFramework.kUSBVendorID), numberRef);
NativeMethods.CFRelease(numberRef);
numberRef = NativeMethods.CFNumberCreate(IOKitFramework.kCFAllocatorDefault, CFNumberType.kCFNumberSInt32Type, ref usbProduct);
NativeMethods.CFDictionarySetValue(matchingDict, NativeMethods.__CFStringMakeConstantString(IOKitFramework.kUSBProductID), numberRef);
NativeMethods.CFRelease(numberRef);
gNotifyPort = NativeMethods.IONotificationPortCreate(IOKitFramework.kIOMasterPortDefault);
var runLoopSource = NativeMethods.IONotificationPortGetRunLoopSource(gNotifyPort);
gRunLoop = NativeMethods.CFRunLoopGetCurrent();
NativeMethods.CFRunLoopAddSource(gRunLoop, runLoopSource, NativeMethods.__CFStringMakeConstantString(IOKitFramework.kCFRunLoopDefaultMode));
IOServiceMatchingCallback deviceAdded = new IOServiceMatchingCallback(DeviceAdded);
DeviceWatcherCallbackReference callbackRef = new DeviceWatcherCallbackReference();
var kr = NativeMethods.IOServiceAddMatchingNotification(
gNotifyPort, // notifyPort
IOKitFramework.kIOFirstMatchNotification, // notificationType
matchingDict, // matching
DeviceAdded, // callback
callbackRef, // refCon
ref gAddedIter // notification
);
DeviceAdded(callbackRef, gAddedIter);
NativeMethods.CFRunLoopRun();
}
public static IOIterator <T> AddMatchingNotification <T> (IONotificationPort notifyPort, NotificationType notificationType,
NSDictionary matchingDictionary, MatchingCallback <T> callback) where T : IOService
{
var notificationTypeString = notificationType.GetKey();
IOServiceMatchingCallback nativeCallback = (refCon, iteratorRef) =>
{
var iterator = MarshalNativeObject <IOIterator <T> > (iteratorRef, false);
callback.Invoke(iterator);
};
callbackStore.Add(nativeCallback);
IntPtr iteratorRef2;
CFType.Retain(matchingDictionary.Handle);
var result = IOServiceAddMatchingNotification(notifyPort.Handle, notificationTypeString, matchingDictionary.Handle,
nativeCallback, IntPtr.Zero, out iteratorRef2);
ThrowIfError(result);
var iterator2 = new IOIterator <T> (iteratorRef2, true);
iterator2.Disposed += (sender, e) => callbackStore.Remove(nativeCallback);
return(iterator2);
}
public static extern IOReturn IOServiceAddMatchingNotification(IntPtr notifyPort, IntPtr notifyType, IntPtr matching, IOServiceMatchingCallback callback, IntPtr context, out int iterator);
extern static kern_return_t IOServiceAddMatchingNotification(IONotificationPortRef notifyPort, io_name_t notificationType, CFDictionaryRef matching,
IOServiceMatchingCallback callback, IntPtr refCon, out io_iterator_t notification);
public static extern IOKitError IOServiceAddMatchingNotification(IntPtr notifyPort, string notificationType, IntPtr matching, IOServiceMatchingCallback callback, DeviceWatcherCallbackReference refCon, ref IntPtr notification);
