diff --git a/Demos/Device/LowLevel/Mouse/Mouse.c b/Demos/Device/LowLevel/Mouse/Mouse.c
index 03d5bbbd2524073efab2b0d4073bcbcdd36d87ec..3ccd0f02c1fb3c460502ec343c4c1a8c682bc2fe 100644
--- a/Demos/Device/LowLevel/Mouse/Mouse.c
+++ b/Demos/Device/LowLevel/Mouse/Mouse.c
@@ -119,7 +119,7 @@ void EVENT_USB_Device_ConfigurationChanged(void)
 	ConfigSuccess &= Endpoint_ConfigureEndpoint(MOUSE_EPNUM, EP_TYPE_INTERRUPT, ENDPOINT_DIR_IN,
 	                                            MOUSE_EPSIZE, ENDPOINT_BANK_SINGLE);
 
-	/* Turn on Start-of-Frame events for tracking HID report period exiry */
+	/* Turn on Start-of-Frame events for tracking HID report period expiry */
 	USB_Device_EnableSOFEvents();
 
 	/* Indicate endpoint configuration success or failure */
diff --git a/Demos/Host/Incomplete/BluetoothHost/ConfigDescriptor.c b/Demos/Host/Incomplete/BluetoothHost/ConfigDescriptor.c
index 29008bad12559796146ab1b3694cf768d417915a..b09146c0ef924caf32dc35928fea598935b5fb0a 100644
--- a/Demos/Host/Incomplete/BluetoothHost/ConfigDescriptor.c
+++ b/Demos/Host/Incomplete/BluetoothHost/ConfigDescriptor.c
@@ -132,10 +132,12 @@ uint8_t ProcessConfigurationDescriptor(void)
  */
 uint8_t DComp_NextInterfaceBluetoothDataEndpoint(void* CurrentDescriptor)
 {
+	USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
+
 	/* Determine the type of the current descriptor */
-	if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Endpoint)
+	if (Header->Type == DTYPE_Endpoint)
 	  return DESCRIPTOR_SEARCH_Found;
-	else if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
+	else if (Header->Type == DTYPE_Interface)
 	  return DESCRIPTOR_SEARCH_Fail;
 	else
 	  return DESCRIPTOR_SEARCH_NotFound;
diff --git a/Demos/Host/LowLevel/GenericHIDHost/ConfigDescriptor.c b/Demos/Host/LowLevel/GenericHIDHost/ConfigDescriptor.c
index c2a1f36be3a2d802867c5311da408f1a6e3e73ae..7361d73a5124d0ba5b91b263f9d2a25facc153eb 100644
--- a/Demos/Host/LowLevel/GenericHIDHost/ConfigDescriptor.c
+++ b/Demos/Host/LowLevel/GenericHIDHost/ConfigDescriptor.c
@@ -135,11 +135,15 @@ uint8_t ProcessConfigurationDescriptor(void)
  */
 uint8_t DComp_NextHIDInterface(void* CurrentDescriptor)
 {
+	USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
+
 	/* Determine if the current descriptor is an interface descriptor */
-	if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
+	if (Header->Type == DTYPE_Interface)
 	{
+		USB_Descriptor_Interface_t* Interface = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Interface_t);
+
 		/* Check the HID descriptor class, break out if correct class/protocol interface found */
-		if (DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).Class == HID_CSCP_HIDClass)
+		if (Interface->Class == HID_CSCP_HIDClass)
 		{
 			/* Indicate that the descriptor being searched for has been found */
 			return DESCRIPTOR_SEARCH_Found;
@@ -161,13 +165,15 @@ uint8_t DComp_NextHIDInterface(void* CurrentDescriptor)
  */
 uint8_t DComp_NextHIDInterfaceDataEndpoint(void* CurrentDescriptor)
 {
+	USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
+
 	/* Determine the type of the current descriptor */
-	if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Endpoint)
+	if (Header->Type == DTYPE_Endpoint)
 	{
 		/* Indicate that the descriptor being searched for has been found */
 		return DESCRIPTOR_SEARCH_Found;
 	}
-	else if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
+	else if (Header->Type == DTYPE_Interface)
 	{
 		/* Indicate that the search has failed prematurely and should be aborted */
 		return DESCRIPTOR_SEARCH_Fail;
diff --git a/Demos/Host/LowLevel/JoystickHostWithParser/ConfigDescriptor.c b/Demos/Host/LowLevel/JoystickHostWithParser/ConfigDescriptor.c
index 8e837005f3c0f616beca10ffd30644acaea8aa52..9fc1498c20f80f940a3ec17e499c70ecf7566c0c 100644
--- a/Demos/Host/LowLevel/JoystickHostWithParser/ConfigDescriptor.c
+++ b/Demos/Host/LowLevel/JoystickHostWithParser/ConfigDescriptor.c
@@ -131,10 +131,14 @@ uint8_t ProcessConfigurationDescriptor(void)
  */
 uint8_t DComp_NextJoystickInterface(void* CurrentDescriptor)
 {
-	if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
+	USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
+
+	if (Header->Type == DTYPE_Interface)
 	{
+		USB_Descriptor_Interface_t* Interface = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Interface_t);
+
 		/* Check the HID descriptor class, break out if correct class interface found */
-		if ((DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).Class == HID_CSCP_HIDClass))
+		if ((Interface->Class == HID_CSCP_HIDClass))
 		{
 			return DESCRIPTOR_SEARCH_Found;
 		}
@@ -147,24 +151,21 @@ uint8_t DComp_NextJoystickInterface(void* CurrentDescriptor)
  *  configuration descriptor, to search for a specific sub descriptor. It can also be used to abort the configuration
  *  descriptor processing if an incompatible descriptor configuration is found.
  *
- *  This comparator searches for the next IN Endpoint descriptor inside the current interface descriptor,
- *  aborting the search if another interface descriptor is found before the required endpoint.
+ *  This comparator searches for the next Endpoint descriptor inside the current interface descriptor, aborting the
+ *  search if another interface descriptor is found before the required endpoint.
  *
  *  \return A value from the DSEARCH_Return_ErrorCodes_t enum
  */
 uint8_t DComp_NextJoystickInterfaceDataEndpoint(void* CurrentDescriptor)
 {
-	if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Endpoint)
-	{
-		if (DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Endpoint_t).EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN)
-		  return DESCRIPTOR_SEARCH_Found;
-	}
-	else if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
-	{
-		return DESCRIPTOR_SEARCH_Fail;
-	}
+	USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
 
-	return DESCRIPTOR_SEARCH_NotFound;
+	if (Header->Type == DTYPE_Endpoint)
+	  return DESCRIPTOR_SEARCH_Found;
+	else if (Header->Type == DTYPE_Interface)
+	  return DESCRIPTOR_SEARCH_Fail;
+	else
+	  return DESCRIPTOR_SEARCH_NotFound;
 }
 
 /** Descriptor comparator function. This comparator function is can be called while processing an attached USB device's
@@ -177,7 +178,9 @@ uint8_t DComp_NextJoystickInterfaceDataEndpoint(void* CurrentDescriptor)
  */
 uint8_t DComp_NextHID(void* CurrentDescriptor)
 {
-	if (DESCRIPTOR_TYPE(CurrentDescriptor) == HID_DTYPE_HID)
+	USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
+
+	if (Header->Type == HID_DTYPE_HID)
 	  return DESCRIPTOR_SEARCH_Found;
 	else
 	  return DESCRIPTOR_SEARCH_NotFound;
diff --git a/Demos/Host/LowLevel/KeyboardHost/ConfigDescriptor.c b/Demos/Host/LowLevel/KeyboardHost/ConfigDescriptor.c
index 7e614b0973635fb9de9871694365236971b0ea4e..01c252c02700b987ec464852a5ad61edc6f8a2e5 100644
--- a/Demos/Host/LowLevel/KeyboardHost/ConfigDescriptor.c
+++ b/Demos/Host/LowLevel/KeyboardHost/ConfigDescriptor.c
@@ -116,11 +116,15 @@ uint8_t ProcessConfigurationDescriptor(void)
  */
 uint8_t DComp_NextKeyboardInterface(void* CurrentDescriptor)
 {
-	if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
+	USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
+
+	if (Header->Type == DTYPE_Interface)
 	{
+		USB_Descriptor_Interface_t* Interface = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Interface_t);
+
 		/* Check the HID descriptor class and protocol, break out if correct class/protocol interface found */
-		if ((DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).Class    == HID_CSCP_HIDClass) &&
-		    (DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).Protocol == HID_CSCP_KeyboardBootProtocol))
+		if ((Interface->Class    == HID_CSCP_HIDClass) &&
+		    (Interface->Protocol == HID_CSCP_KeyboardBootProtocol))
 		{
 			return DESCRIPTOR_SEARCH_Found;
 		}
@@ -133,23 +137,20 @@ uint8_t DComp_NextKeyboardInterface(void* CurrentDescriptor)
  *  configuration descriptor, to search for a specific sub descriptor. It can also be used to abort the configuration
  *  descriptor processing if an incompatible descriptor configuration is found.
  *
- *  This comparator searches for the next IN Endpoint descriptor inside the current interface descriptor,
- *  aborting the search if another interface descriptor is found before the required endpoint.
+ *  This comparator searches for the next Endpoint descriptor inside the current interface descriptor, aborting the
+ *  search if another interface descriptor is found before the required endpoint.
  *
  *  \return A value from the DSEARCH_Return_ErrorCodes_t enum
  */
 uint8_t DComp_NextKeyboardInterfaceDataEndpoint(void* CurrentDescriptor)
 {
-	if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Endpoint)
-	{
-		if (DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Endpoint_t).EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN)
-		  return DESCRIPTOR_SEARCH_Found;
-	}
-	else if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
-	{
-		return DESCRIPTOR_SEARCH_Fail;
-	}
-
-	return DESCRIPTOR_SEARCH_NotFound;
+	USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
+
+	if (Header->Type == DTYPE_Endpoint)
+	  return DESCRIPTOR_SEARCH_Found;
+	else if (Header->Type == DTYPE_Interface)
+	  return DESCRIPTOR_SEARCH_Fail;
+	else
+	  return DESCRIPTOR_SEARCH_NotFound;
 }
 
diff --git a/Demos/Host/LowLevel/KeyboardHostWithParser/ConfigDescriptor.c b/Demos/Host/LowLevel/KeyboardHostWithParser/ConfigDescriptor.c
index 1d389ef32da0fa3be87849ba26bc676db302f482..998ba20e123a0028b1976847312a4d52f0e42ded 100644
--- a/Demos/Host/LowLevel/KeyboardHostWithParser/ConfigDescriptor.c
+++ b/Demos/Host/LowLevel/KeyboardHostWithParser/ConfigDescriptor.c
@@ -131,10 +131,14 @@ uint8_t ProcessConfigurationDescriptor(void)
  */
 uint8_t DComp_NextKeyboardInterface(void* CurrentDescriptor)
 {
-	if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
+	USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
+
+	if (Header->Type == DTYPE_Interface)
 	{
+		USB_Descriptor_Interface_t* Interface = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Interface_t);
+
 		/* Check the HID descriptor class, break out if correct class interface found */
-		if (DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).Class    == HID_CSCP_HIDClass)
+		if (Interface->Class == HID_CSCP_HIDClass)
 		{
 			return DESCRIPTOR_SEARCH_Found;
 		}
@@ -147,24 +151,21 @@ uint8_t DComp_NextKeyboardInterface(void* CurrentDescriptor)
  *  configuration descriptor, to search for a specific sub descriptor. It can also be used to abort the configuration
  *  descriptor processing if an incompatible descriptor configuration is found.
  *
- *  This comparator searches for the next IN Endpoint descriptor inside the current interface descriptor,
- *  aborting the search if another interface descriptor is found before the required endpoint.
+ *  This comparator searches for the next Endpoint descriptor inside the current interface descriptor, aborting the
+ *  search if another interface descriptor is found before the required endpoint.
  *
  *  \return A value from the DSEARCH_Return_ErrorCodes_t enum
  */
 uint8_t DComp_NextKeyboardInterfaceDataEndpoint(void* CurrentDescriptor)
 {
-	if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Endpoint)
-	{
-		if (DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Endpoint_t).EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN)
-		  return DESCRIPTOR_SEARCH_Found;
-	}
-	else if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
-	{
-		return DESCRIPTOR_SEARCH_Fail;
-	}
+	USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
 
-	return DESCRIPTOR_SEARCH_NotFound;
+	if (Header->Type == DTYPE_Endpoint)
+	  return DESCRIPTOR_SEARCH_Found;
+	else if (Header->Type == DTYPE_Interface)
+	  return DESCRIPTOR_SEARCH_Fail;
+	else
+	  return DESCRIPTOR_SEARCH_NotFound;
 }
 
 /** Descriptor comparator function. This comparator function is can be called while processing an attached USB device's
@@ -177,9 +178,11 @@ uint8_t DComp_NextKeyboardInterfaceDataEndpoint(void* CurrentDescriptor)
  */
 uint8_t DComp_NextHID(void* CurrentDescriptor)
 {
-	if (DESCRIPTOR_TYPE(CurrentDescriptor) == HID_DTYPE_HID)
+	USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
+
+	if (Header->Type == HID_DTYPE_HID)
 	  return DESCRIPTOR_SEARCH_Found;
-	else if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
+	else if (Header->Type == DTYPE_Interface)
 	  return DESCRIPTOR_SEARCH_Fail;
 	else
 	  return DESCRIPTOR_SEARCH_NotFound;
diff --git a/Demos/Host/LowLevel/MIDIHost/ConfigDescriptor.c b/Demos/Host/LowLevel/MIDIHost/ConfigDescriptor.c
index cf1d4e69ad5b4b8a6e1634b93f7d2331a8fcc9f0..544e31ac8beff0e58b7df01db0bb8961b4a23eec 100644
--- a/Demos/Host/LowLevel/MIDIHost/ConfigDescriptor.c
+++ b/Demos/Host/LowLevel/MIDIHost/ConfigDescriptor.c
@@ -126,12 +126,16 @@ uint8_t ProcessConfigurationDescriptor(void)
  */
 uint8_t DComp_NextMIDIStreamingInterface(void* CurrentDescriptor)
 {
-	if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
+	USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
+
+	if (Header->Type == DTYPE_Interface)
 	{
+		USB_Descriptor_Interface_t* Interface = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Interface_t);
+
 		/* Check the MIDI descriptor class, subclass and protocol, break out if correct data interface found */
-		if ((DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).Class    == AUDIO_CSCP_AudioClass)            &&
-		    (DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).SubClass == AUDIO_CSCP_MIDIStreamingSubclass) &&
-		    (DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).Protocol == AUDIO_CSCP_StreamingProtocol))
+		if ((Interface->Class    == AUDIO_CSCP_AudioClass)            &&
+		    (Interface->SubClass == AUDIO_CSCP_MIDIStreamingSubclass) &&
+		    (Interface->Protocol == AUDIO_CSCP_StreamingProtocol))
 		{
 			return DESCRIPTOR_SEARCH_Found;
 		}
@@ -151,16 +155,17 @@ uint8_t DComp_NextMIDIStreamingInterface(void* CurrentDescriptor)
  */
 uint8_t DComp_NextMIDIStreamingDataEndpoint(void* CurrentDescriptor)
 {
-	if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Endpoint)
+	USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
+
+	if (Header->Type == DTYPE_Endpoint)
 	{
-		uint8_t EndpointType = (DESCRIPTOR_CAST(CurrentDescriptor,
-		                                        USB_Descriptor_Endpoint_t).Attributes & EP_TYPE_MASK);
+		USB_Descriptor_Endpoint_t* Endpoint = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Endpoint_t);
 
 		/* Check the endpoint type, break out if correct BULK type endpoint found */
-		if (EndpointType == EP_TYPE_BULK)
+		if ((Endpoint->Attributes & EP_TYPE_MASK) == EP_TYPE_BULK)
 		  return DESCRIPTOR_SEARCH_Found;
 	}
-	else if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
+	else if (Header->Type == DTYPE_Interface)
 	{
 		return DESCRIPTOR_SEARCH_Fail;
 	}
diff --git a/Demos/Host/LowLevel/MassStorageHost/ConfigDescriptor.c b/Demos/Host/LowLevel/MassStorageHost/ConfigDescriptor.c
index 2629f207118d53609342118454af3a98c798129b..91c96828ee86f78e1d4ec8e3029d887496c15bc8 100644
--- a/Demos/Host/LowLevel/MassStorageHost/ConfigDescriptor.c
+++ b/Demos/Host/LowLevel/MassStorageHost/ConfigDescriptor.c
@@ -126,12 +126,16 @@ uint8_t ProcessConfigurationDescriptor(void)
  */
 uint8_t DComp_NextMSInterface(void* CurrentDescriptor)
 {
-	if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
+	USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
+
+	if (Header->Type == DTYPE_Interface)
 	{
+		USB_Descriptor_Interface_t* Interface = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Interface_t);
+
 		/* Check the descriptor class and protocol, break out if correct class/protocol interface found */
-		if ((DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).Class    == MASS_STORE_CLASS)    &&
-		    (DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).SubClass == MASS_STORE_SUBCLASS) &&
-		    (DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).Protocol == MASS_STORE_PROTOCOL))
+		if ((Interface->Class    == MASS_STORE_CLASS)    &&
+		    (Interface->SubClass == MASS_STORE_SUBCLASS) &&
+		    (Interface->Protocol == MASS_STORE_PROTOCOL))
 		{
 			return DESCRIPTOR_SEARCH_Found;
 		}
@@ -151,16 +155,17 @@ uint8_t DComp_NextMSInterface(void* CurrentDescriptor)
  */
 uint8_t DComp_NextMSInterfaceBulkDataEndpoint(void* CurrentDescriptor)
 {
-	if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Endpoint)
+	USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
+
+	if (Header->Type == DTYPE_Endpoint)
 	{
-		uint8_t EndpointType = (DESCRIPTOR_CAST(CurrentDescriptor,
-		                                        USB_Descriptor_Endpoint_t).Attributes & EP_TYPE_MASK);
+		USB_Descriptor_Endpoint_t* Endpoint = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Endpoint_t);
 
 		/* Check the endpoint type, break out if correct BULK type endpoint found */
-		if (EndpointType == EP_TYPE_BULK)
+		if ((Endpoint->Attributes & EP_TYPE_MASK) == EP_TYPE_BULK)
 		  return DESCRIPTOR_SEARCH_Found;
 	}
-	else if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
+	else if (Header->Type == DTYPE_Interface)
 	{
 		return DESCRIPTOR_SEARCH_Fail;
 	}
diff --git a/Demos/Host/LowLevel/MouseHost/ConfigDescriptor.c b/Demos/Host/LowLevel/MouseHost/ConfigDescriptor.c
index f74ecf29fcec237d1df02a3562dd285705b956e5..5a8ffa7fb5d90efe59d0acad1fba6c5600723e93 100644
--- a/Demos/Host/LowLevel/MouseHost/ConfigDescriptor.c
+++ b/Demos/Host/LowLevel/MouseHost/ConfigDescriptor.c
@@ -116,12 +116,16 @@ uint8_t ProcessConfigurationDescriptor(void)
  */
 uint8_t DComp_NextMouseInterface(void* CurrentDescriptor)
 {
+	USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
+
 	/* Determine if the current descriptor is an interface descriptor */
-	if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
+	if (Header->Type == DTYPE_Interface)
 	{
+		USB_Descriptor_Interface_t* Interface = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Interface_t);
+
 		/* Check the HID descriptor class and protocol, break out if correct class/protocol interface found */
-		if ((DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).Class    == HID_CSCP_HIDClass) &&
-		    (DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).Protocol == HID_CSCP_MouseBootProtocol))
+		if ((Interface->Class    == HID_CSCP_HIDClass) &&
+		    (Interface->Protocol == HID_CSCP_MouseBootProtocol))
 		{
 			/* Indicate that the descriptor being searched for has been found */
 			return DESCRIPTOR_SEARCH_Found;
@@ -136,30 +140,21 @@ uint8_t DComp_NextMouseInterface(void* CurrentDescriptor)
  *  configuration descriptor, to search for a specific sub descriptor. It can also be used to abort the configuration
  *  descriptor processing if an incompatible descriptor configuration is found.
  *
- *  This comparator searches for the next IN Endpoint descriptor inside the current interface descriptor,
- *  aborting the search if another interface descriptor is found before the required endpoint.
+ *  This comparator searches for the next Endpoint descriptor inside the current interface descriptor, aborting the
+ *  search if another interface descriptor is found before the required endpoint.
  *
  *  \return A value from the DSEARCH_Return_ErrorCodes_t enum
  */
 uint8_t DComp_NextMouseInterfaceDataEndpoint(void* CurrentDescriptor)
 {
-	/* Determine the type of the current descriptor */
-	if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Endpoint)
-	{
-		/* Check if the current Endpoint descriptor is of type IN */
-		if (DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Endpoint_t).EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN)
-		{
-			/* Indicate that the descriptor being searched for has been found */
-			return DESCRIPTOR_SEARCH_Found;
-		}
-	}
-	else if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
-	{
-		/* Indicate that the search has failed prematurely and should be aborted */
-		return DESCRIPTOR_SEARCH_Fail;
-	}
+	USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
 
-	/* Current descriptor does not match what this comparator is looking for */
-	return DESCRIPTOR_SEARCH_NotFound;
+	/* Determine the type of the current descriptor */
+	if (Header->Type == DTYPE_Endpoint)
+	  return DESCRIPTOR_SEARCH_Found;
+	else if (Header->Type == DTYPE_Interface)
+	  return DESCRIPTOR_SEARCH_Fail;
+	else
+	  return DESCRIPTOR_SEARCH_NotFound;
 }
 
diff --git a/Demos/Host/LowLevel/MouseHostWithParser/ConfigDescriptor.c b/Demos/Host/LowLevel/MouseHostWithParser/ConfigDescriptor.c
index 56842486dc9defca6f7bc69e1c266ff9ff208d1f..7702511c7e13cf0759dd545f64d56d004d9f2efe 100644
--- a/Demos/Host/LowLevel/MouseHostWithParser/ConfigDescriptor.c
+++ b/Demos/Host/LowLevel/MouseHostWithParser/ConfigDescriptor.c
@@ -131,10 +131,14 @@ uint8_t ProcessConfigurationDescriptor(void)
  */
 uint8_t DComp_NextMouseInterface(void* CurrentDescriptor)
 {
-	if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
+	USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
+
+	if (Header->Type == DTYPE_Interface)
 	{
+		USB_Descriptor_Interface_t* Interface = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Interface_t);
+
 		/* Check the HID descriptor class, break out if correct class interface found */
-		if (DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).Class == HID_CSCP_HIDClass)
+		if (Interface->Class == HID_CSCP_HIDClass)
 		{
 			return DESCRIPTOR_SEARCH_Found;
 		}
@@ -147,24 +151,21 @@ uint8_t DComp_NextMouseInterface(void* CurrentDescriptor)
  *  configuration descriptor, to search for a specific sub descriptor. It can also be used to abort the configuration
  *  descriptor processing if an incompatible descriptor configuration is found.
  *
- *  This comparator searches for the next IN Endpoint descriptor inside the current interface descriptor,
- *  aborting the search if another interface descriptor is found before the required endpoint.
+ *  This comparator searches for the next Endpoint descriptor inside the current interface descriptor, aborting the
+ *  search if another interface descriptor is found before the required endpoint.
  *
  *  \return A value from the DSEARCH_Return_ErrorCodes_t enum
  */
 uint8_t DComp_NextMouseInterfaceDataEndpoint(void* CurrentDescriptor)
 {
-	if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Endpoint)
-	{
-		if (DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Endpoint_t).EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN)
-		  return DESCRIPTOR_SEARCH_Found;
-	}
-	else if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
-	{
-		return DESCRIPTOR_SEARCH_Fail;
-	}
+	USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
 
-	return DESCRIPTOR_SEARCH_NotFound;
+	if (Header->Type == DTYPE_Endpoint)
+	  return DESCRIPTOR_SEARCH_Found;
+	else if (Header->Type == DTYPE_Interface)
+	  return DESCRIPTOR_SEARCH_Fail;
+	else
+	  return DESCRIPTOR_SEARCH_NotFound;
 }
 
 /** Descriptor comparator function. This comparator function is can be called while processing an attached USB device's
@@ -177,7 +178,9 @@ uint8_t DComp_NextMouseInterfaceDataEndpoint(void* CurrentDescriptor)
  */
 uint8_t DComp_NextHID(void* CurrentDescriptor)
 {
-	if (DESCRIPTOR_TYPE(CurrentDescriptor) == HID_DTYPE_HID)
+	USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
+
+	if (Header->Type == HID_DTYPE_HID)
 	  return DESCRIPTOR_SEARCH_Found;
 	else
 	  return DESCRIPTOR_SEARCH_NotFound;
diff --git a/Demos/Host/LowLevel/PrinterHost/ConfigDescriptor.c b/Demos/Host/LowLevel/PrinterHost/ConfigDescriptor.c
index 2b1f6906f21fa77369a277f061b29162fde6d4ab..162afabcf3113d05f41e5067bed7e35dce12d529 100644
--- a/Demos/Host/LowLevel/PrinterHost/ConfigDescriptor.c
+++ b/Demos/Host/LowLevel/PrinterHost/ConfigDescriptor.c
@@ -130,12 +130,16 @@ uint8_t ProcessConfigurationDescriptor(void)
  */
 uint8_t DComp_NextBidirectionalPrinterInterface(void* CurrentDescriptor)
 {
-	if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
+	USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
+
+	if (Header->Type == DTYPE_Interface)
 	{
+		USB_Descriptor_Interface_t* Interface = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Interface_t);
+
 		/* Check the descriptor class, subclass and protocol, break out if correct value interface found */
-		if ((DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).Class    == PRNT_CSCP_PrinterClass)    &&
-		    (DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).SubClass == PRNT_CSCP_PrinterSubclass) &&
-			(DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).Protocol == PRNT_CSCP_BidirectionalProtocol))
+		if ((Interface->Class    == PRNT_CSCP_PrinterClass)    &&
+		    (Interface->SubClass == PRNT_CSCP_PrinterSubclass) &&
+			(Interface->Protocol == PRNT_CSCP_BidirectionalProtocol))
 		{
 			return DESCRIPTOR_SEARCH_Found;
 		}
@@ -155,16 +159,17 @@ uint8_t DComp_NextBidirectionalPrinterInterface(void* CurrentDescriptor)
  */
 uint8_t DComp_NextPrinterInterfaceBulkDataEndpoint(void* CurrentDescriptor)
 {
-	if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Endpoint)
+	USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
+
+	if (Header->Type == DTYPE_Endpoint)
 	{
-		uint8_t EndpointType = (DESCRIPTOR_CAST(CurrentDescriptor,
-		                                        USB_Descriptor_Endpoint_t).Attributes & EP_TYPE_MASK);
+		USB_Descriptor_Endpoint_t* Endpoint = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Endpoint_t);
 
 		/* Check the endpoint type, break out if correct BULK type endpoint found */
-		if (EndpointType == EP_TYPE_BULK)
+		if ((Endpoint->Attributes & EP_TYPE_MASK) == EP_TYPE_BULK)
 		  return DESCRIPTOR_SEARCH_Found;
 	}
-	else if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
+	else if (Header->Type == DTYPE_Interface)
 	{
 		return DESCRIPTOR_SEARCH_Fail;
 	}
diff --git a/Demos/Host/LowLevel/RNDISEthernetHost/ConfigDescriptor.c b/Demos/Host/LowLevel/RNDISEthernetHost/ConfigDescriptor.c
index 8bd12bc2089512bcca29e5a910dcf1e466f94705..eef8673c182dc8db69816712ec800b4e6043e908 100644
--- a/Demos/Host/LowLevel/RNDISEthernetHost/ConfigDescriptor.c
+++ b/Demos/Host/LowLevel/RNDISEthernetHost/ConfigDescriptor.c
@@ -157,12 +157,16 @@ uint8_t ProcessConfigurationDescriptor(void)
  */
 uint8_t DComp_NextCDCControlInterface(void* CurrentDescriptor)
 {
-	if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
+	USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
+
+	if (Header->Type == DTYPE_Interface)
 	{
+		USB_Descriptor_Interface_t* Interface = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Interface_t);
+
 		/* Check the CDC descriptor class, subclass and protocol, break out if correct control interface found */
-		if ((DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).Class    == CDC_CSCP_CDCClass)    &&
-		    (DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).SubClass == CDC_CSCP_ACMSubclass) &&
-		    (DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).Protocol == CDC_CSCP_VendorSpecificProtocol))
+		if ((Interface->Class    == CDC_CSCP_CDCClass)    &&
+		    (Interface->SubClass == CDC_CSCP_ACMSubclass) &&
+		    (Interface->Protocol == CDC_CSCP_VendorSpecificProtocol))
 		{
 			return DESCRIPTOR_SEARCH_Found;
 		}
@@ -181,12 +185,16 @@ uint8_t DComp_NextCDCControlInterface(void* CurrentDescriptor)
  */
 uint8_t DComp_NextCDCDataInterface(void* CurrentDescriptor)
 {
-	if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
+	USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
+
+	if (Header->Type == DTYPE_Interface)
 	{
+		USB_Descriptor_Interface_t* Interface = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Interface_t);
+
 		/* Check the CDC descriptor class, subclass and protocol, break out if correct data interface found */
-		if ((DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).Class    == CDC_CSCP_CDCDataClass)   &&
-		    (DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).SubClass == CDC_CSCP_NoDataSubclass) &&
-		    (DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).Protocol == CDC_CSCP_NoDataProtocol))
+		if ((Interface->Class    == CDC_CSCP_CDCDataClass)   &&
+		    (Interface->SubClass == CDC_CSCP_NoDataSubclass) &&
+		    (Interface->Protocol == CDC_CSCP_NoDataProtocol))
 		{
 			return DESCRIPTOR_SEARCH_Found;
 		}
@@ -207,15 +215,20 @@ uint8_t DComp_NextCDCDataInterface(void* CurrentDescriptor)
  */
 uint8_t DComp_NextCDCDataInterfaceEndpoint(void* CurrentDescriptor)
 {
-	if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Endpoint)
+	USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
+
+	if (Header->Type == DTYPE_Endpoint)
 	{
-		uint8_t EndpointType = (DESCRIPTOR_CAST(CurrentDescriptor,
-		                                        USB_Descriptor_Endpoint_t).Attributes & EP_TYPE_MASK);
+		USB_Descriptor_Endpoint_t* Endpoint = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Endpoint_t);
 
-		if ((EndpointType == EP_TYPE_BULK) || (EndpointType == EP_TYPE_INTERRUPT))
-		  return DESCRIPTOR_SEARCH_Found;
+		/* Check the endpoint type, break out if correct BULK or INTERRUPT type endpoint found */
+		if (((Endpoint->Attributes & EP_TYPE_MASK) == EP_TYPE_BULK) || 
+		    ((Endpoint->Attributes & EP_TYPE_MASK) == EP_TYPE_INTERRUPT))
+		{
+			return DESCRIPTOR_SEARCH_Found;
+		}
 	}
-	else if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
+	else if (Header->Type == DTYPE_Interface)
 	{
 		return DESCRIPTOR_SEARCH_Fail;
 	}
diff --git a/Demos/Host/LowLevel/StillImageHost/ConfigDescriptor.c b/Demos/Host/LowLevel/StillImageHost/ConfigDescriptor.c
index 6a345864d39e0001e2bdc3ca464fdd458dfb1d13..e11fc170843045ad01536c110bb1630c0bdf1d8a 100644
--- a/Demos/Host/LowLevel/StillImageHost/ConfigDescriptor.c
+++ b/Demos/Host/LowLevel/StillImageHost/ConfigDescriptor.c
@@ -141,12 +141,16 @@ uint8_t ProcessConfigurationDescriptor(void)
  */
 uint8_t DComp_NextStillImageInterface(void* CurrentDescriptor)
 {
-	if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
+	USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
+
+	if (Header->Type == DTYPE_Interface)
 	{
+		USB_Descriptor_Interface_t* Interface = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Interface_t);
+
 		/* Check the descriptor class, subclass and protocol, break out if correct interface found */
-		if ((DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).Class    == SI_CSCP_StillImageClass)    &&
-		    (DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).SubClass == SI_CSCP_StillImageSubclass) &&
-		    (DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).Protocol == SI_CSCP_BulkOnlyProtocol))
+		if ((Interface->Class    == SI_CSCP_StillImageClass)    &&
+		    (Interface->SubClass == SI_CSCP_StillImageSubclass) &&
+		    (Interface->Protocol == SI_CSCP_BulkOnlyProtocol))
 		{
 			return DESCRIPTOR_SEARCH_Found;
 		}
@@ -166,15 +170,20 @@ uint8_t DComp_NextStillImageInterface(void* CurrentDescriptor)
  */
 uint8_t DComp_NextStillImageInterfaceDataEndpoint(void* CurrentDescriptor)
 {
-	if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Endpoint)
+	USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
+
+	if (Header->Type == DTYPE_Endpoint)
 	{
-		uint8_t EndpointType = (DESCRIPTOR_CAST(CurrentDescriptor,
-		                                        USB_Descriptor_Endpoint_t).Attributes & EP_TYPE_MASK);
+		USB_Descriptor_Endpoint_t* Endpoint = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Endpoint_t);
 
-		if ((EndpointType == EP_TYPE_BULK) || (EndpointType == EP_TYPE_INTERRUPT))
-		  return DESCRIPTOR_SEARCH_Found;
+		/* Check the endpoint type, break out if correct BULK or INTERRUPT type endpoint found */
+		if (((Endpoint->Attributes & EP_TYPE_MASK) == EP_TYPE_BULK) || 
+		    ((Endpoint->Attributes & EP_TYPE_MASK) == EP_TYPE_INTERRUPT))
+		{
+			return DESCRIPTOR_SEARCH_Found;
+		}
 	}
-	else if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
+	else if (Header->Type == DTYPE_Interface)
 	{
 		return DESCRIPTOR_SEARCH_Fail;
 	}
diff --git a/Demos/Host/LowLevel/VirtualSerialHost/ConfigDescriptor.c b/Demos/Host/LowLevel/VirtualSerialHost/ConfigDescriptor.c
index d702771eb73f3e561aef28e6f70a01201a3157fb..7a8f972351ffcaab7ee7dbf69590a5a480423e56 100644
--- a/Demos/Host/LowLevel/VirtualSerialHost/ConfigDescriptor.c
+++ b/Demos/Host/LowLevel/VirtualSerialHost/ConfigDescriptor.c
@@ -157,12 +157,16 @@ uint8_t ProcessConfigurationDescriptor(void)
  */
 uint8_t DComp_NextCDCControlInterface(void* CurrentDescriptor)
 {
-	if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
+	USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
+
+	if (Header->Type == DTYPE_Interface)
 	{
+		USB_Descriptor_Interface_t* Interface = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Interface_t);
+
 		/* Check the CDC descriptor class, subclass and protocol, break out if correct control interface found */
-		if ((DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).Class    == CDC_CSCP_CDCClass)    &&
-		    (DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).SubClass == CDC_CSCP_ACMSubclass) &&
-		    (DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).Protocol == CDC_CSCP_ATCommandProtocol))
+		if ((Interface->Class    == CDC_CSCP_CDCClass)    &&
+		    (Interface->SubClass == CDC_CSCP_ACMSubclass) &&
+		    (Interface->Protocol == CDC_CSCP_ATCommandProtocol))
 		{
 			return DESCRIPTOR_SEARCH_Found;
 		}
@@ -181,12 +185,16 @@ uint8_t DComp_NextCDCControlInterface(void* CurrentDescriptor)
  */
 uint8_t DComp_NextCDCDataInterface(void* CurrentDescriptor)
 {
-	if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
+	USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
+
+	if (Header->Type == DTYPE_Interface)
 	{
+		USB_Descriptor_Interface_t* Interface = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Interface_t);
+
 		/* Check the CDC descriptor class, subclass and protocol, break out if correct data interface found */
-		if ((DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).Class    == CDC_CSCP_CDCDataClass)   &&
-		    (DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).SubClass == CDC_CSCP_NoDataSubclass) &&
-		    (DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).Protocol == CDC_CSCP_NoDataProtocol))
+		if ((Interface->Class    == CDC_CSCP_CDCDataClass)   &&
+		    (Interface->SubClass == CDC_CSCP_NoDataSubclass) &&
+		    (Interface->Protocol == CDC_CSCP_NoDataProtocol))
 		{
 			return DESCRIPTOR_SEARCH_Found;
 		}
@@ -207,15 +215,19 @@ uint8_t DComp_NextCDCDataInterface(void* CurrentDescriptor)
  */
 uint8_t DComp_NextCDCDataInterfaceEndpoint(void* CurrentDescriptor)
 {
-	if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Endpoint)
+	USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
+
+	if (Header->Type == DTYPE_Endpoint)
 	{
-		uint8_t EndpointType = (DESCRIPTOR_CAST(CurrentDescriptor,
-		                                        USB_Descriptor_Endpoint_t).Attributes & EP_TYPE_MASK);
+		USB_Descriptor_Endpoint_t* Endpoint = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Endpoint_t);
 
-		if ((EndpointType == EP_TYPE_BULK) || (EndpointType == EP_TYPE_INTERRUPT))
-		  return DESCRIPTOR_SEARCH_Found;
+		if (((Endpoint->Attributes & EP_TYPE_MASK) == EP_TYPE_BULK) || 
+		    ((Endpoint->Attributes & EP_TYPE_MASK) == EP_TYPE_INTERRUPT))
+		{
+			return DESCRIPTOR_SEARCH_Found;
+		}
 	}
-	else if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
+	else if (Header->Type == DTYPE_Interface)
 	{
 		return DESCRIPTOR_SEARCH_Fail;
 	}
diff --git a/LUFA/Drivers/USB/Class/Host/CDC.c b/LUFA/Drivers/USB/Class/Host/CDC.c
index 930416188439952c9013ab32cb9e87ae2548ae76..e48d487cee8a2ea4fc6a2f8a45072a681b84defd 100644
--- a/LUFA/Drivers/USB/Class/Host/CDC.c
+++ b/LUFA/Drivers/USB/Class/Host/CDC.c
@@ -137,14 +137,15 @@ uint8_t CDC_Host_ConfigurePipes(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo
 
 static uint8_t DCOMP_CDC_Host_NextCDCControlInterface(void* const CurrentDescriptor)
 {
-	if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
+	USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
+
+	if (Header->Type == DTYPE_Interface)
 	{
-		USB_Descriptor_Interface_t* CurrentInterface = DESCRIPTOR_PCAST(CurrentDescriptor,
-		                                                                USB_Descriptor_Interface_t);
+		USB_Descriptor_Interface_t* Interface = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Interface_t);
 
-		if ((CurrentInterface->Class    == CDC_CSCP_CDCClass)    &&
-		    (CurrentInterface->SubClass == CDC_CSCP_ACMSubclass) &&
-		    (CurrentInterface->Protocol == CDC_CSCP_ATCommandProtocol))
+		if ((Interface->Class    == CDC_CSCP_CDCClass)    &&
+		    (Interface->SubClass == CDC_CSCP_ACMSubclass) &&
+		    (Interface->Protocol == CDC_CSCP_ATCommandProtocol))
 		{
 			return DESCRIPTOR_SEARCH_Found;
 		}
@@ -155,14 +156,15 @@ static uint8_t DCOMP_CDC_Host_NextCDCControlInterface(void* const CurrentDescrip
 
 static uint8_t DCOMP_CDC_Host_NextCDCDataInterface(void* const CurrentDescriptor)
 {
-	if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
+	USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
+
+	if (Header->Type == DTYPE_Interface)
 	{
-		USB_Descriptor_Interface_t* CurrentInterface = DESCRIPTOR_PCAST(CurrentDescriptor,
-		                                                                USB_Descriptor_Interface_t);
+		USB_Descriptor_Interface_t* Interface = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Interface_t);
 
-		if ((CurrentInterface->Class    == CDC_CSCP_CDCDataClass)   &&
-		    (CurrentInterface->SubClass == CDC_CSCP_NoDataSubclass) &&
-		    (CurrentInterface->Protocol == CDC_CSCP_NoDataProtocol))
+		if ((Interface->Class    == CDC_CSCP_CDCDataClass)   &&
+		    (Interface->SubClass == CDC_CSCP_NoDataSubclass) &&
+		    (Interface->Protocol == CDC_CSCP_NoDataProtocol))
 		{
 			return DESCRIPTOR_SEARCH_Found;
 		}
@@ -173,20 +175,21 @@ static uint8_t DCOMP_CDC_Host_NextCDCDataInterface(void* const CurrentDescriptor
 
 static uint8_t DCOMP_CDC_Host_NextCDCInterfaceEndpoint(void* const CurrentDescriptor)
 {
-	if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Endpoint)
+	USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
+
+	if (Header->Type == DTYPE_Endpoint)
 	{
-		USB_Descriptor_Endpoint_t* CurrentEndpoint = DESCRIPTOR_PCAST(CurrentDescriptor,
-		                                                              USB_Descriptor_Endpoint_t);
+		USB_Descriptor_Endpoint_t* Endpoint = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Endpoint_t);
 
-		uint8_t EndpointType = (CurrentEndpoint->Attributes & EP_TYPE_MASK);
+		uint8_t EndpointType = (Endpoint->Attributes & EP_TYPE_MASK);
 
 		if (((EndpointType == EP_TYPE_BULK) || (EndpointType == EP_TYPE_INTERRUPT)) &&
-		    !(Pipe_IsEndpointBound(CurrentEndpoint->EndpointAddress)))
+		    !(Pipe_IsEndpointBound(Endpoint->EndpointAddress)))
 		{
 			return DESCRIPTOR_SEARCH_Found;
 		}
 	}
-	else if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
+	else if (Header->Type == DTYPE_Interface)
 	{
 		return DESCRIPTOR_SEARCH_Fail;
 	}
diff --git a/LUFA/Drivers/USB/Class/Host/HID.c b/LUFA/Drivers/USB/Class/Host/HID.c
index 4ba755858f20e9a36777f3e0dee0d0cc090fe638..bb10ee2dd0f6a500da54f866b6dd3fc6d0c762f5 100644
--- a/LUFA/Drivers/USB/Class/Host/HID.c
+++ b/LUFA/Drivers/USB/Class/Host/HID.c
@@ -116,8 +116,8 @@ uint8_t HID_Host_ConfigurePipes(USB_ClassInfo_HID_Host_t* const HIDInterfaceInfo
 		}
 	}
 
-	HIDInterfaceInfo->State.InterfaceNumber = HIDInterface->InterfaceNumber;
-	HIDInterfaceInfo->State.HIDReportSize   = HIDDescriptor->HIDReportLength;
+	HIDInterfaceInfo->State.InterfaceNumber      = HIDInterface->InterfaceNumber;
+	HIDInterfaceInfo->State.HIDReportSize        = HIDDescriptor->HIDReportLength;
 	HIDInterfaceInfo->State.SupportsBootProtocol = (HIDInterface->SubClass != HID_CSCP_NonBootProtocol);
 	HIDInterfaceInfo->State.LargestReportSize    = 8;
 	HIDInterfaceInfo->State.IsActive = true;
@@ -127,12 +127,13 @@ uint8_t HID_Host_ConfigurePipes(USB_ClassInfo_HID_Host_t* const HIDInterfaceInfo
 
 static uint8_t DCOMP_HID_Host_NextHIDInterface(void* const CurrentDescriptor)
 {
-	if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
+	USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
+
+	if (Header->Type == DTYPE_Interface)
 	{
-		USB_Descriptor_Interface_t* CurrentInterface = DESCRIPTOR_PCAST(CurrentDescriptor,
-		                                                                USB_Descriptor_Interface_t);
+		USB_Descriptor_Interface_t* Interface = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Interface_t);
 
-		if (CurrentInterface->Class == HID_CSCP_HIDClass)
+		if (Interface->Class == HID_CSCP_HIDClass)
 		  return DESCRIPTOR_SEARCH_Found;
 	}
 
@@ -141,9 +142,11 @@ static uint8_t DCOMP_HID_Host_NextHIDInterface(void* const CurrentDescriptor)
 
 static uint8_t DCOMP_HID_Host_NextHID(void* const CurrentDescriptor)
 {
-	if (DESCRIPTOR_TYPE(CurrentDescriptor) == HID_DTYPE_HID)
+	USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
+
+	if (Header->Type == HID_DTYPE_HID)
 	  return DESCRIPTOR_SEARCH_Found;
-	else if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
+	else if (Header->Type == DTYPE_Interface)
 	  return DESCRIPTOR_SEARCH_Fail;
 	else
 	  return DESCRIPTOR_SEARCH_NotFound;
@@ -151,15 +154,16 @@ static uint8_t DCOMP_HID_Host_NextHID(void* const CurrentDescriptor)
 
 static uint8_t DCOMP_HID_Host_NextHIDInterfaceEndpoint(void* const CurrentDescriptor)
 {
-	if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Endpoint)
+	USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
+
+	if (Header->Type == DTYPE_Endpoint)
 	{
-		USB_Descriptor_Endpoint_t* CurrentEndpoint = DESCRIPTOR_PCAST(CurrentDescriptor,
-		                                                              USB_Descriptor_Endpoint_t);
+		USB_Descriptor_Endpoint_t* Endpoint = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Endpoint_t);
 
-		if (!(Pipe_IsEndpointBound(CurrentEndpoint->EndpointAddress)))
+		if (!(Pipe_IsEndpointBound(Endpoint->EndpointAddress)))
 		  return DESCRIPTOR_SEARCH_Found;
 	}
-	else if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
+	else if (Header->Type == DTYPE_Interface)
 	{
 		return DESCRIPTOR_SEARCH_Fail;
 	}
diff --git a/LUFA/Drivers/USB/Class/Host/MIDI.c b/LUFA/Drivers/USB/Class/Host/MIDI.c
index 6aed766c8cf4eb0de2fc157e4caa7001c7f19f29..ad6c5cfd8886e030c233adfac3208d86454bd2d5 100644
--- a/LUFA/Drivers/USB/Class/Host/MIDI.c
+++ b/LUFA/Drivers/USB/Class/Host/MIDI.c
@@ -105,14 +105,15 @@ uint8_t MIDI_Host_ConfigurePipes(USB_ClassInfo_MIDI_Host_t* const MIDIInterfaceI
 
 static uint8_t DCOMP_MIDI_Host_NextMIDIStreamingInterface(void* const CurrentDescriptor)
 {
-	if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
+	USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
+
+	if (Header->Type == DTYPE_Interface)
 	{
-		USB_Descriptor_Interface_t* CurrentInterface = DESCRIPTOR_PCAST(CurrentDescriptor,
-		                                                                USB_Descriptor_Interface_t);
+		USB_Descriptor_Interface_t* Interface = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Interface_t);
 
-		if ((CurrentInterface->Class    == AUDIO_CSCP_AudioClass)            &&
-		    (CurrentInterface->SubClass == AUDIO_CSCP_MIDIStreamingSubclass) &&
-		    (CurrentInterface->Protocol == AUDIO_CSCP_StreamingProtocol))
+		if ((Interface->Class    == AUDIO_CSCP_AudioClass)            &&
+		    (Interface->SubClass == AUDIO_CSCP_MIDIStreamingSubclass) &&
+		    (Interface->Protocol == AUDIO_CSCP_StreamingProtocol))
 		{
 			return DESCRIPTOR_SEARCH_Found;
 		}
@@ -123,17 +124,18 @@ static uint8_t DCOMP_MIDI_Host_NextMIDIStreamingInterface(void* const CurrentDes
 
 static uint8_t DCOMP_MIDI_Host_NextMIDIStreamingDataEndpoint(void* const CurrentDescriptor)
 {
-	if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Endpoint)
+	USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
+
+	if (Header->Type == DTYPE_Endpoint)
 	{
-		USB_Descriptor_Endpoint_t* CurrentEndpoint = DESCRIPTOR_PCAST(CurrentDescriptor,
-		                                                              USB_Descriptor_Endpoint_t);
+		USB_Descriptor_Endpoint_t* Endpoint = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Endpoint_t);
 
-		uint8_t EndpointType = (CurrentEndpoint->Attributes & EP_TYPE_MASK);
+		uint8_t EndpointType = (Endpoint->Attributes & EP_TYPE_MASK);
 
-		if ((EndpointType == EP_TYPE_BULK) && !(Pipe_IsEndpointBound(CurrentEndpoint->EndpointAddress)))
+		if ((EndpointType == EP_TYPE_BULK) && !(Pipe_IsEndpointBound(Endpoint->EndpointAddress)))
 		  return DESCRIPTOR_SEARCH_Found;
 	}
-	else if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
+	else if (Header->Type == DTYPE_Interface)
 	{
 		return DESCRIPTOR_SEARCH_Fail;
 	}
diff --git a/LUFA/Drivers/USB/Class/Host/MassStorage.c b/LUFA/Drivers/USB/Class/Host/MassStorage.c
index d07a7b70d24cf7911fa67f8277e604ab5974cce5..ef8053bc3dcf6823816725984ec2ccf92b0e7ecc 100644
--- a/LUFA/Drivers/USB/Class/Host/MassStorage.c
+++ b/LUFA/Drivers/USB/Class/Host/MassStorage.c
@@ -105,14 +105,15 @@ uint8_t MS_Host_ConfigurePipes(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo,
 
 static uint8_t DCOMP_MS_Host_NextMSInterface(void* const CurrentDescriptor)
 {
-	if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
+	USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
+
+	if (Header->Type == DTYPE_Interface)
 	{
-		USB_Descriptor_Interface_t* CurrentInterface = DESCRIPTOR_PCAST(CurrentDescriptor,
-		                                                                USB_Descriptor_Interface_t);
+		USB_Descriptor_Interface_t* Interface = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Interface_t);
 
-		if ((CurrentInterface->Class    == MS_CSCP_MassStorageClass)        &&
-		    (CurrentInterface->SubClass == MS_CSCP_SCSITransparentSubclass) &&
-		    (CurrentInterface->Protocol == MS_CSCP_BulkOnlyTransportProtocol))
+		if ((Interface->Class    == MS_CSCP_MassStorageClass)        &&
+		    (Interface->SubClass == MS_CSCP_SCSITransparentSubclass) &&
+		    (Interface->Protocol == MS_CSCP_BulkOnlyTransportProtocol))
 		{
 			return DESCRIPTOR_SEARCH_Found;
 		}
@@ -123,20 +124,20 @@ static uint8_t DCOMP_MS_Host_NextMSInterface(void* const CurrentDescriptor)
 
 static uint8_t DCOMP_MS_Host_NextMSInterfaceEndpoint(void* const CurrentDescriptor)
 {
-	if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Endpoint)
+	USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
+
+	if (Header->Type == DTYPE_Endpoint)
 	{
-		USB_Descriptor_Endpoint_t* CurrentEndpoint = DESCRIPTOR_PCAST(CurrentDescriptor,
-		                                                              USB_Descriptor_Endpoint_t);
+		USB_Descriptor_Endpoint_t* Endpoint = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Endpoint_t);
 
-		uint8_t EndpointType = (CurrentEndpoint->Attributes & EP_TYPE_MASK);
+		uint8_t EndpointType = (Endpoint->Attributes & EP_TYPE_MASK);
 
-		if ((EndpointType == EP_TYPE_BULK) &&
-		    (!(Pipe_IsEndpointBound(CurrentEndpoint->EndpointAddress))))
+		if ((EndpointType == EP_TYPE_BULK) && (!(Pipe_IsEndpointBound(Endpoint->EndpointAddress))))
 		{
 			return DESCRIPTOR_SEARCH_Found;
 		}
 	}
-	else if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
+	else if (Header->Type == DTYPE_Interface)
 	{
 		return DESCRIPTOR_SEARCH_Fail;
 	}
diff --git a/LUFA/Drivers/USB/Class/Host/Printer.c b/LUFA/Drivers/USB/Class/Host/Printer.c
index 42fa7ec5f54f8cc32fda7a62aa2e68e2e4296f08..f08ee5bd958d019685ff337a80003be590cec105 100644
--- a/LUFA/Drivers/USB/Class/Host/Printer.c
+++ b/LUFA/Drivers/USB/Class/Host/Printer.c
@@ -38,7 +38,7 @@
 
 uint8_t PRNT_Host_ConfigurePipes(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo,
                                  uint16_t ConfigDescriptorSize,
-							     void* DeviceConfigDescriptor)
+							     void* ConfigDescriptorData)
 {
 	USB_Descriptor_Endpoint_t*  DataINEndpoint   = NULL;
 	USB_Descriptor_Endpoint_t*  DataOUTEndpoint  = NULL;
@@ -46,22 +46,22 @@ uint8_t PRNT_Host_ConfigurePipes(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceI
 
 	memset(&PRNTInterfaceInfo->State, 0x00, sizeof(PRNTInterfaceInfo->State));
 
-	if (DESCRIPTOR_TYPE(DeviceConfigDescriptor) != DTYPE_Configuration)
+	if (DESCRIPTOR_TYPE(ConfigDescriptorData) != DTYPE_Configuration)
 	  return PRNT_ENUMERROR_InvalidConfigDescriptor;
 
 	while (!(DataINEndpoint) || !(DataOUTEndpoint))
 	{
 		if (!(PrinterInterface) ||
-		    USB_GetNextDescriptorComp(&ConfigDescriptorSize, &DeviceConfigDescriptor,
+		    USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
 		                              DCOMP_PRNT_Host_NextPRNTInterfaceEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
 		{
-			if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &DeviceConfigDescriptor,
+			if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
 			                              DCOMP_PRNT_Host_NextPRNTInterface) != DESCRIPTOR_SEARCH_COMP_Found)
 			{
 				return PRNT_ENUMERROR_NoCompatibleInterfaceFound;
 			}
 
-			PrinterInterface = DESCRIPTOR_PCAST(DeviceConfigDescriptor, USB_Descriptor_Interface_t);
+			PrinterInterface = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Interface_t);
 
 			DataINEndpoint  = NULL;
 			DataOUTEndpoint = NULL;
@@ -69,7 +69,7 @@ uint8_t PRNT_Host_ConfigurePipes(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceI
 			continue;
 		}
 
-		USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(DeviceConfigDescriptor, USB_Descriptor_Endpoint_t);
+		USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Endpoint_t);
 
 		if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN)
 		  DataINEndpoint  = EndpointData;
@@ -106,14 +106,15 @@ uint8_t PRNT_Host_ConfigurePipes(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceI
 
 static uint8_t DCOMP_PRNT_Host_NextPRNTInterface(void* CurrentDescriptor)
 {
-	if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
+	USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
+
+	if (Header->Type == DTYPE_Interface)
 	{
-		USB_Descriptor_Interface_t* CurrentInterface = DESCRIPTOR_PCAST(CurrentDescriptor,
-		                                                                USB_Descriptor_Interface_t);
+		USB_Descriptor_Interface_t* Interface = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Interface_t);
 
-		if ((CurrentInterface->Class    == PRNT_CSCP_PrinterClass)    &&
-		    (CurrentInterface->SubClass == PRNT_CSCP_PrinterSubclass) &&
-		    (CurrentInterface->Protocol == PRNT_CSCP_BidirectionalProtocol))
+		if ((Interface->Class    == PRNT_CSCP_PrinterClass)    &&
+		    (Interface->SubClass == PRNT_CSCP_PrinterSubclass) &&
+		    (Interface->Protocol == PRNT_CSCP_BidirectionalProtocol))
 		{
 			return DESCRIPTOR_SEARCH_Found;
 		}
@@ -124,15 +125,18 @@ static uint8_t DCOMP_PRNT_Host_NextPRNTInterface(void* CurrentDescriptor)
 
 static uint8_t DCOMP_PRNT_Host_NextPRNTInterfaceEndpoint(void* CurrentDescriptor)
 {
-	if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Endpoint)
+	USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
+
+	if (Header->Type == DTYPE_Endpoint)
 	{
-		uint8_t EndpointType = (DESCRIPTOR_CAST(CurrentDescriptor,
-		                                        USB_Descriptor_Endpoint_t).Attributes & EP_TYPE_MASK);
+		USB_Descriptor_Endpoint_t* Endpoint = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Endpoint_t);
+
+		uint8_t EndpointType = (Endpoint->Attributes & EP_TYPE_MASK);
 
 		if (EndpointType == EP_TYPE_BULK)
 		  return DESCRIPTOR_SEARCH_Found;
 	}
-	else if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
+	else if (Header->Type == DTYPE_Interface)
 	{
 		return DESCRIPTOR_SEARCH_Fail;
 	}
diff --git a/LUFA/Drivers/USB/Class/Host/RNDIS.c b/LUFA/Drivers/USB/Class/Host/RNDIS.c
index d312f824dad6d2ff66b9b50f02dd8330652b47da..e3948ec6c1927d2305dd7422e6309a99e9057f9c 100644
--- a/LUFA/Drivers/USB/Class/Host/RNDIS.c
+++ b/LUFA/Drivers/USB/Class/Host/RNDIS.c
@@ -137,14 +137,15 @@ uint8_t RNDIS_Host_ConfigurePipes(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfa
 
 static uint8_t DCOMP_RNDIS_Host_NextRNDISControlInterface(void* const CurrentDescriptor)
 {
-	if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
+	USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
+
+	if (Header->Type == DTYPE_Interface)
 	{
-		USB_Descriptor_Interface_t* CurrentInterface = DESCRIPTOR_PCAST(CurrentDescriptor,
-		                                                                USB_Descriptor_Interface_t);
+		USB_Descriptor_Interface_t* Interface = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Interface_t);
 
-		if ((CurrentInterface->Class    == CDC_CSCP_CDCClass)    &&
-		    (CurrentInterface->SubClass == CDC_CSCP_ACMSubclass) &&
-		    (CurrentInterface->Protocol == CDC_CSCP_VendorSpecificProtocol))
+		if ((Interface->Class    == CDC_CSCP_CDCClass)    &&
+		    (Interface->SubClass == CDC_CSCP_ACMSubclass) &&
+		    (Interface->Protocol == CDC_CSCP_VendorSpecificProtocol))
 		{
 			return DESCRIPTOR_SEARCH_Found;
 		}
@@ -155,14 +156,16 @@ static uint8_t DCOMP_RNDIS_Host_NextRNDISControlInterface(void* const CurrentDes
 
 static uint8_t DCOMP_RNDIS_Host_NextRNDISDataInterface(void* const CurrentDescriptor)
 {
-	if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
+	USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
+
+	if (Header->Type == DTYPE_Interface)
 	{
-		USB_Descriptor_Interface_t* CurrentInterface = DESCRIPTOR_PCAST(CurrentDescriptor,
-		                                                                USB_Descriptor_Interface_t);
+		USB_Descriptor_Interface_t* Interface = DESCRIPTOR_PCAST(CurrentDescriptor,
+		                                                         USB_Descriptor_Interface_t);
 
-		if ((CurrentInterface->Class    == CDC_CSCP_CDCDataClass)   &&
-		    (CurrentInterface->SubClass == CDC_CSCP_NoDataSubclass) &&
-		    (CurrentInterface->Protocol == CDC_CSCP_NoDataProtocol))
+		if ((Interface->Class    == CDC_CSCP_CDCDataClass)   &&
+		    (Interface->SubClass == CDC_CSCP_NoDataSubclass) &&
+		    (Interface->Protocol == CDC_CSCP_NoDataProtocol))
 		{
 			return DESCRIPTOR_SEARCH_Found;
 		}
@@ -173,20 +176,21 @@ static uint8_t DCOMP_RNDIS_Host_NextRNDISDataInterface(void* const CurrentDescri
 
 static uint8_t DCOMP_RNDIS_Host_NextRNDISInterfaceEndpoint(void* const CurrentDescriptor)
 {
-	if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Endpoint)
+	USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
+
+	if (Header->Type == DTYPE_Endpoint)
 	{
-		USB_Descriptor_Endpoint_t* CurrentEndpoint = DESCRIPTOR_PCAST(CurrentDescriptor,
-		                                                              USB_Descriptor_Endpoint_t);
+		USB_Descriptor_Endpoint_t* Endpoint = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Endpoint_t);
 
-		uint8_t EndpointType = (CurrentEndpoint->Attributes & EP_TYPE_MASK);
+		uint8_t EndpointType = (Endpoint->Attributes & EP_TYPE_MASK);
 
 		if (((EndpointType == EP_TYPE_BULK) || (EndpointType == EP_TYPE_INTERRUPT)) &&
-		    !(Pipe_IsEndpointBound(CurrentEndpoint->EndpointAddress)))
+		    !(Pipe_IsEndpointBound(Endpoint->EndpointAddress)))
 		{
 			return DESCRIPTOR_SEARCH_Found;
 		}
 	}
-	else if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
+	else if (Header->Type == DTYPE_Interface)
 	{
 		return DESCRIPTOR_SEARCH_Fail;
 	}
diff --git a/LUFA/Drivers/USB/Class/Host/StillImage.c b/LUFA/Drivers/USB/Class/Host/StillImage.c
index 63f61d5664c7cd6fee1f7410d1bc06d2856a4642..d3dda8fe3bcafdb89ca3cf2fbc909dd1e0f1cb58 100644
--- a/LUFA/Drivers/USB/Class/Host/StillImage.c
+++ b/LUFA/Drivers/USB/Class/Host/StillImage.c
@@ -123,14 +123,15 @@ uint8_t SI_Host_ConfigurePipes(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo,
 
 uint8_t DCOMP_SI_Host_NextSIInterface(void* const CurrentDescriptor)
 {
-	if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
+	USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
+
+	if (Header->Type == DTYPE_Interface)
 	{
-		USB_Descriptor_Interface_t* CurrentInterface = DESCRIPTOR_PCAST(CurrentDescriptor,
-		                                                                USB_Descriptor_Interface_t);
+		USB_Descriptor_Interface_t* Interface = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Interface_t);
 
-		if ((CurrentInterface->Class    == SI_CSCP_StillImageClass)    &&
-		    (CurrentInterface->SubClass == SI_CSCP_StillImageSubclass) &&
-		    (CurrentInterface->Protocol == SI_CSCP_BulkOnlyProtocol))
+		if ((Interface->Class    == SI_CSCP_StillImageClass)    &&
+		    (Interface->SubClass == SI_CSCP_StillImageSubclass) &&
+		    (Interface->Protocol == SI_CSCP_BulkOnlyProtocol))
 		{
 			return DESCRIPTOR_SEARCH_Found;
 		}
@@ -141,20 +142,21 @@ uint8_t DCOMP_SI_Host_NextSIInterface(void* const CurrentDescriptor)
 
 uint8_t DCOMP_SI_Host_NextSIInterfaceEndpoint(void* const CurrentDescriptor)
 {
-	if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Endpoint)
+	USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
+
+	if (Header->Type == DTYPE_Endpoint)
 	{
-		USB_Descriptor_Endpoint_t* CurrentEndpoint = DESCRIPTOR_PCAST(CurrentDescriptor,
-		                                                              USB_Descriptor_Endpoint_t);
+		USB_Descriptor_Endpoint_t* Endpoint = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Endpoint_t);
 
-		uint8_t EndpointType = (CurrentEndpoint->Attributes & EP_TYPE_MASK);
+		uint8_t EndpointType = (Endpoint->Attributes & EP_TYPE_MASK);
 
 		if (((EndpointType == EP_TYPE_BULK) || (EndpointType == EP_TYPE_INTERRUPT)) &&
-		    (!(Pipe_IsEndpointBound(CurrentEndpoint->EndpointAddress))))
+		    (!(Pipe_IsEndpointBound(Endpoint->EndpointAddress))))
 		{
 			return DESCRIPTOR_SEARCH_Found;
 		}
 	}
-	else if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
+	else if (Header->Type == DTYPE_Interface)
 	{
 		return DESCRIPTOR_SEARCH_Fail;
 	}
diff --git a/LUFA/Drivers/USB/HighLevel/ConfigDescriptor.h b/LUFA/Drivers/USB/HighLevel/ConfigDescriptor.h
index ee1e2b6a2d085af28468a56c27506b1575625a8c..a4064982f35f2cb1e9cb4f7673981ccd8ad01644 100644
--- a/LUFA/Drivers/USB/HighLevel/ConfigDescriptor.h
+++ b/LUFA/Drivers/USB/HighLevel/ConfigDescriptor.h
@@ -107,10 +107,10 @@
 			 *  This value's meaning depends on the descriptor's placement in the descriptor, but standard type
 			 *  values can be accessed in the \ref USB_DescriptorTypes_t enum.
 			 */
-			#define DESCRIPTOR_TYPE(DescriptorPtr)    DESCRIPTOR_CAST(DescriptorPtr, USB_Descriptor_Header_t).Type
+			#define DESCRIPTOR_TYPE(DescriptorPtr)    DESCRIPTOR_PCAST(DescriptorPtr, USB_Descriptor_Header_t)->Type
 
 			/** Returns the descriptor's size, expressed as the 8-bit value indicating the number of bytes. */
-			#define DESCRIPTOR_SIZE(DescriptorPtr)    DESCRIPTOR_CAST(DescriptorPtr, USB_Descriptor_Header_t).Size
+			#define DESCRIPTOR_SIZE(DescriptorPtr)    DESCRIPTOR_PCAST(DescriptorPtr, USB_Descriptor_Header_t)->Size
 
 		/* Type Defines: */
 			/** Type define for a Configuration Descriptor comparator function (function taking a pointer to an array
diff --git a/Projects/AVRISP-MKII/Lib/V2Protocol.c b/Projects/AVRISP-MKII/Lib/V2Protocol.c
index 208d7b77e64826d9f8bbd8f14192d8971e499c7b..e2c65867380dccb0d431caa6524b641c638df3ae 100644
--- a/Projects/AVRISP-MKII/Lib/V2Protocol.c
+++ b/Projects/AVRISP-MKII/Lib/V2Protocol.c
@@ -66,7 +66,10 @@ void V2Protocol_Init(void)
 	TIMSK0 = (1 << OCIE0A);
 
 	V2Params_LoadNonVolatileParamValues();
+	
+	#if defined(ENABLE_ISP_PROTOCOL)
 	ISPTarget_ConfigureRescueClock();
+	#endif
 }
 
 /** Master V2 Protocol packet handler, for received V2 Protocol packets from a connected host.
diff --git a/Projects/MissileLauncher/ConfigDescriptor.c b/Projects/MissileLauncher/ConfigDescriptor.c
index 378fa9a5c4923c6296a686f85dd8639f974f6ebb..b26fa7545b7877d536928941166def9804fc8cd2 100644
--- a/Projects/MissileLauncher/ConfigDescriptor.c
+++ b/Projects/MissileLauncher/ConfigDescriptor.c
@@ -135,11 +135,15 @@ uint8_t ProcessConfigurationDescriptor(void)
  */
 uint8_t DComp_NextHIDInterface(void* CurrentDescriptor)
 {
+	USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
+
 	/* Determine if the current descriptor is an interface descriptor */
-	if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
+	if (Header->Type == DTYPE_Interface)
 	{
+		USB_Descriptor_Interface_t* Interface = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Interface_t);
+
 		/* Check the HID descriptor class and protocol, break out if correct class/protocol interface found */
-		if (DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).Class == HID_CLASS)
+		if (Interface->Class == HID_CLASS)
 		{
 			/* Indicate that the descriptor being searched for has been found */
 			return DESCRIPTOR_SEARCH_Found;
@@ -161,19 +165,23 @@ uint8_t DComp_NextHIDInterface(void* CurrentDescriptor)
  */
 uint8_t DComp_NextHIDInterfaceDataEndpoint(void* CurrentDescriptor)
 {
+	USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
+
 	/* Determine the type of the current descriptor */
-	if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Endpoint)
+	if (Header->Type == DTYPE_Endpoint)
 	{
 		/* Indicate that the descriptor being searched for has been found */
 		return DESCRIPTOR_SEARCH_Found;
 	}
-	else if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
+	else if (Header->Type == DTYPE_Interface)
 	{
 		/* Indicate that the search has failed prematurely and should be aborted */
 		return DESCRIPTOR_SEARCH_Fail;
 	}
-
-	/* Current descriptor does not match what this comparator is looking for */
-	return DESCRIPTOR_SEARCH_NotFound;
+	else
+	{
+		/* Current descriptor does not match what this comparator is looking for */
+		return DESCRIPTOR_SEARCH_NotFound;
+	}
 }
 
diff --git a/Projects/XPLAINBridge/Lib/SoftUART.c b/Projects/XPLAINBridge/Lib/SoftUART.c
index 5de365930cd8acac03307a0f02ac588a841afed9..4b38a0bd2f475f7f91a98b9c27c17d59e285af6b 100644
--- a/Projects/XPLAINBridge/Lib/SoftUART.c
+++ b/Projects/XPLAINBridge/Lib/SoftUART.c
@@ -67,7 +67,7 @@ void SoftUART_Init(void)
 	SoftUART_SetBaud(9600);
 
 	/* Setup reception timer compare ISR */
-	TIMSK2 = (1 << ICIE2);
+	TIMSK1 = (1 << ICIE1);
 
 	/* Setup transmission timer compare ISR and start the timer */
 	TIMSK3 = (1 << ICIE3);
@@ -81,7 +81,7 @@ ISR(INT0_vect, ISR_BLOCK)
 	RX_BitsRemaining = 8;
 
 	/* Reset the bit reception timer */
-	TCNT2 = 0;
+	TCNT1 = 0;
 
 	/* Check to see that the pin is still low (prevents glitches from starting a frame reception) */
 	if (!(SRXPIN & (1 << SRX)))
@@ -90,12 +90,12 @@ ISR(INT0_vect, ISR_BLOCK)
 		EIMSK = 0;
 
 		/* Start the reception timer */
-		TCCR2B = ((1 << CS20) | (1 << WGM23) | (1 << WGM22));
+		TCCR1B = ((1 << CS10) | (1 << WGM13) | (1 << WGM12));
 	}
 }
 
 /** ISR to manage the reception of bits to the software UART. */
-ISR(TIMER2_CAPT_vect, ISR_BLOCK)
+ISR(TIMER1_CAPT_vect, ISR_BLOCK)
 {
 	/* Cache the current RX pin value for later checking */
 	uint8_t SRX_Cached = (SRXPIN & (1 << SRX));
@@ -114,7 +114,7 @@ ISR(TIMER2_CAPT_vect, ISR_BLOCK)
 	else
 	{
 		/* Disable the reception timer as all data has now been received, re-enable start bit detection ISR */
-		TCCR2B = 0;
+		TCCR1B = 0;
 		EIFR   = (1 << INTF0);
 		EIMSK  = (1 << INT0);