/// <summary>
/// Handler of callback by OS planned to be used with default OSXDriver
/// </summary>
/// <param name="context">Context.</param>
/// <param name="res">Res.</param>
/// <param name="sender">Sender.</param>
/// <param name="valRef">Value reference.</param>
internal void DeviceValueReceived(IntPtr context, IOReturn res, IntPtr sender, IOHIDValueRef valRef)
{
IOHIDElementRef element = Native.IOHIDValueGetElement(valRef);
uint uid = Native.IOHIDElementGetCookie(element);
int value;
Native.IOHIDElementType type = Native.IOHIDElementGetType(element);
GenericHIDDevice device;
value = Native.IOHIDValueGetIntegerValue(valRef);
//UnityEngine.Debug.Log ("DeviceValueReceived:"+value);
try{
GCHandle gch = GCHandle.FromIntPtr(context);
device = (GenericHIDDevice)gch.Target;
}
catch (Exception e) {
UnityEngine.Debug.LogException(e);
return;
}
byte[] typeBuff = BitConverter.GetBytes((uint)type);
byte[] uidBuff = BitConverter.GetBytes(uid);
byte[] valueBuff = BitConverter.GetBytes(value);
byte[] result = new byte[typeBuff.Length + uidBuff.Length + valueBuff.Length];
System.Buffer.BlockCopy(typeBuff, 0, result, 0, typeBuff.Length);
System.Buffer.BlockCopy(uidBuff, 0, result, typeBuff.Length, uidBuff.Length);
System.Buffer.BlockCopy(valueBuff, 0, result, typeBuff.Length + uidBuff.Length, valueBuff.Length);
device.__lastHIDReport.Status = HIDReport.ReadStatus.Success;
device.__lastHIDReport.Data = result;
}
