Add svn:eol-style property to source files, so that the line endings are correctly converted to the target system's native end of line style.

1 files changed, 245 insertions, 245 deletions

diff --git a/Demos/Host/LowLevel/RNDISEthernetHost/ConfigDescriptor.c b/Demos/Host/LowLevel/RNDISEthernetHost/ConfigDescriptor.c
index 5a173d6f4..97a38b4ac 100644
--- a/Demos/Host/LowLevel/RNDISEthernetHost/ConfigDescriptor.c
+++ b/Demos/Host/LowLevel/RNDISEthernetHost/ConfigDescriptor.c
@@ -1,245 +1,245 @@
-/*

-             LUFA Library

-     Copyright (C) Dean Camera, 2010.

-              

-  dean [at] fourwalledcubicle [dot] com

-      www.fourwalledcubicle.com

-*/

-

-/*

-  Copyright 2010  Dean Camera (dean [at] fourwalledcubicle [dot] com)

-

-  Permission to use, copy, modify, distribute, and sell this 

-  software and its documentation for any purpose is hereby granted

-  without fee, provided that the above copyright notice appear in 

-  all copies and that both that the copyright notice and this

-  permission notice and warranty disclaimer appear in supporting 

-  documentation, and that the name of the author not be used in 

-  advertising or publicity pertaining to distribution of the 

-  software without specific, written prior permission.

-

-  The author disclaim all warranties with regard to this

-  software, including all implied warranties of merchantability

-  and fitness.  In no event shall the author be liable for any

-  special, indirect or consequential damages or any damages

-  whatsoever resulting from loss of use, data or profits, whether

-  in an action of contract, negligence or other tortious action,

-  arising out of or in connection with the use or performance of

-  this software.

-*/

-

-/** \file

- *

- *  USB Device Configuration Descriptor processing routines, to determine the correct pipe configurations

- *  needed to communication with an attached USB device. Descriptors are special  computer-readable structures

- *  which the host requests upon device enumeration, to determine the device's capabilities and functions.

- */

- 

-#include "ConfigDescriptor.h"

-

-/** Reads and processes an attached device's descriptors, to determine compatibility and pipe configurations. This

- *  routine will read in the entire configuration descriptor, and configure the hosts pipes to correctly communicate

- *  with compatible devices.

- *

- *  This routine searches for a RNDIS interface descriptor containing bulk data IN and OUT endpoints, and an interrupt event endpoint.

- *

- *  \return An error code from the \ref RNDISHost_GetConfigDescriptorDataCodes_t enum.

- */

-uint8_t ProcessConfigurationDescriptor(void)

-{

-	uint8_t  ConfigDescriptorData[512];

-	void*    CurrConfigLocation = ConfigDescriptorData;

-	uint16_t CurrConfigBytesRem;

-	uint8_t  FoundEndpoints = 0;

-

-	/* Retrieve the entire configuration descriptor into the allocated buffer */

-	switch (USB_Host_GetDeviceConfigDescriptor(1, &CurrConfigBytesRem, ConfigDescriptorData, sizeof(ConfigDescriptorData)))

-	{

-		case HOST_GETCONFIG_Successful:

-			break;

-		case HOST_GETCONFIG_InvalidData:

-			return InvalidConfigDataReturned;

-		case HOST_GETCONFIG_BuffOverflow:

-			return DescriptorTooLarge;

-		default:

-			return ControlError;

-	}

-	

-	/* Get the CDC control interface from the configuration descriptor */

-	if (USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,

-	                              DComp_NextCDCControlInterface) != DESCRIPTOR_SEARCH_COMP_Found)

-	{

-		/* Descriptor not found, error out */

-		return NoRNDISInterfaceFound;

-	}

-

-	/* Get the IN and OUT data and IN notification endpoints for the RNDIS interface */

-	while (FoundEndpoints != ((1 << RNDIS_NOTIFICATIONPIPE) | (1 << RNDIS_DATAPIPE_IN) | (1 << RNDIS_DATAPIPE_OUT)))

-	{

-		/* Fetch the next bulk or interrupt endpoint from the current RNDIS interface */

-		if (USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,

-		                              DComp_NextCDCDataInterfaceEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)

-		{

-			/* Check to see if the control interface's notification pipe has been found, if so search for the data interface */

-			if (FoundEndpoints & (1 << RNDIS_NOTIFICATIONPIPE))

-			{

-				/* Get the next CDC data interface from the configuration descriptor (RNDIS class has two CDC interfaces) */

-				if (USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation, 

-				                              DComp_NextCDCDataInterface) != DESCRIPTOR_SEARCH_COMP_Found)

-				{

-					/* Descriptor not found, error out */

-					return NoRNDISInterfaceFound;

-				}

-			}

-			else

-			{

-				/* Clear the found endpoints mask, since any already processed endpoints aren't in the CDC interface we need */

-				FoundEndpoints = 0;

-

-				/* Disable any already configured pipes from the invalid RNDIS interfaces */

-				Pipe_SelectPipe(RNDIS_NOTIFICATIONPIPE);

-				Pipe_DisablePipe();

-				Pipe_SelectPipe(RNDIS_DATAPIPE_IN);

-				Pipe_DisablePipe();

-				Pipe_SelectPipe(RNDIS_DATAPIPE_OUT);

-				Pipe_DisablePipe();

-			

-				/* Get the next CDC control interface from the configuration descriptor (CDC class has two CDC interfaces) */

-				if (USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,

-				                              DComp_NextCDCControlInterface) != DESCRIPTOR_SEARCH_COMP_Found)

-				{

-					/* Descriptor not found, error out */

-					return NoRNDISInterfaceFound;

-				}

-			}

-

-			/* Fetch the next bulk or interrupt endpoint from the current CDC interface */

-			if (USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,

-			                              DComp_NextCDCDataInterfaceEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)

-			{

-				/* Descriptor not found, error out */

-				return NoEndpointFound;

-			}

-		}

-		

-		USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(CurrConfigLocation, USB_Descriptor_Endpoint_t);

-

-		/* Check if the found endpoint is a interrupt or bulk type descriptor */

-		if ((EndpointData->Attributes & EP_TYPE_MASK) == EP_TYPE_INTERRUPT)

-		{

-			/* If the endpoint is a IN type interrupt endpoint */

-			if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN)

-			{							   

-				/* Configure the notification pipe */

-				Pipe_ConfigurePipe(RNDIS_NOTIFICATIONPIPE, EP_TYPE_INTERRUPT, PIPE_TOKEN_IN,

-								   EndpointData->EndpointAddress, EndpointData->EndpointSize, PIPE_BANK_SINGLE);

-

-				Pipe_SetInterruptPeriod(EndpointData->PollingIntervalMS);

-				

-				/* Set the flag indicating that the notification pipe has been found */

-				FoundEndpoints |= (1 << RNDIS_NOTIFICATIONPIPE);

-			}

-		}

-		else

-		{

-			/* Check if the endpoint is a bulk IN or bulk OUT endpoint */

-			if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN)

-			{

-				/* Configure the data IN pipe */

-				Pipe_ConfigurePipe(RNDIS_DATAPIPE_IN, EP_TYPE_BULK, PIPE_TOKEN_IN,

-								   EndpointData->EndpointAddress, EndpointData->EndpointSize, PIPE_BANK_SINGLE);

-				

-				/* Set the flag indicating that the data IN pipe has been found */

-				FoundEndpoints |= (1 << RNDIS_DATAPIPE_IN);

-			}

-			else

-			{

-				/* Configure the data OUT pipe */

-				Pipe_ConfigurePipe(RNDIS_DATAPIPE_OUT, EP_TYPE_BULK, PIPE_TOKEN_OUT,

-								   EndpointData->EndpointAddress, EndpointData->EndpointSize, PIPE_BANK_SINGLE);

-				

-				/* Set the flag indicating that the data OUT pipe has been found */

-				FoundEndpoints |= (1 << RNDIS_DATAPIPE_OUT);

-			}

-		}

-	}

-

-	/* Valid data found, return success */

-	return SuccessfulConfigRead;

-}

-

-/** Descriptor comparator function. This comparator function is can be called while processing an attached USB device's

- *  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 Interface descriptor of the correct CDC control Class, Subclass and Protocol values.

- *

- *  \return A value from the DSEARCH_Return_ErrorCodes_t enum

- */

-uint8_t DComp_NextCDCControlInterface(void* CurrentDescriptor)

-{

-	if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)

-	{

-		/* 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_CONTROL_CLASS)    &&

-		    (DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).SubClass == CDC_CONTROL_SUBCLASS) &&

-		    (DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).Protocol == CDC_CONTROL_PROTOCOL))

-		{

-			return DESCRIPTOR_SEARCH_Found;

-		}

-	}

-	

-	return DESCRIPTOR_SEARCH_NotFound;

-}

-

-/** Descriptor comparator function. This comparator function is can be called while processing an attached USB device's

- *  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 Interface descriptor of the correct CDC data Class, Subclass and Protocol values.

- *

- *  \return A value from the DSEARCH_Return_ErrorCodes_t enum

- */

-uint8_t DComp_NextCDCDataInterface(void* CurrentDescriptor)

-{

-	if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)

-	{

-		/* 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_DATA_CLASS)    &&

-		    (DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).SubClass == CDC_DATA_SUBCLASS) &&

-		    (DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).Protocol == CDC_DATA_PROTOCOL))

-		{

-			return DESCRIPTOR_SEARCH_Found;

-		}

-	}

-	

-	return DESCRIPTOR_SEARCH_NotFound;

-}

-

-/** Descriptor comparator function. This comparator function is can be called while processing an attached USB device's

- *  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 bulk IN or OUT endpoint, or interrupt IN endpoint within the current interface,

- *  aborting the search if another interface descriptor is found before the required endpoint (so that it may be compared

- *  using a different comparator to determine if it is another CDC class interface).

- *

- *  \return A value from the DSEARCH_Return_ErrorCodes_t enum

- */

-uint8_t DComp_NextCDCDataInterfaceEndpoint(void* CurrentDescriptor)

-{

-	if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Endpoint)

-	{

-		uint8_t EndpointType = (DESCRIPTOR_CAST(CurrentDescriptor,

-		                                        USB_Descriptor_Endpoint_t).Attributes & EP_TYPE_MASK);

-	

-		if ((EndpointType == EP_TYPE_BULK) || (EndpointType == EP_TYPE_INTERRUPT))

-		  return DESCRIPTOR_SEARCH_Found;

-	}

-	else if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)

-	{

-		return DESCRIPTOR_SEARCH_Fail;

-	}

-

-	return DESCRIPTOR_SEARCH_NotFound;

-}

+/*
+             LUFA Library
+     Copyright (C) Dean Camera, 2010.
+              
+  dean [at] fourwalledcubicle [dot] com
+      www.fourwalledcubicle.com
+*/
+
+/*
+  Copyright 2010  Dean Camera (dean [at] fourwalledcubicle [dot] com)
+
+  Permission to use, copy, modify, distribute, and sell this 
+  software and its documentation for any purpose is hereby granted
+  without fee, provided that the above copyright notice appear in 
+  all copies and that both that the copyright notice and this
+  permission notice and warranty disclaimer appear in supporting 
+  documentation, and that the name of the author not be used in 
+  advertising or publicity pertaining to distribution of the 
+  software without specific, written prior permission.
+
+  The author disclaim all warranties with regard to this
+  software, including all implied warranties of merchantability
+  and fitness.  In no event shall the author be liable for any
+  special, indirect or consequential damages or any damages
+  whatsoever resulting from loss of use, data or profits, whether
+  in an action of contract, negligence or other tortious action,
+  arising out of or in connection with the use or performance of
+  this software.
+*/
+
+/** \file
+ *
+ *  USB Device Configuration Descriptor processing routines, to determine the correct pipe configurations
+ *  needed to communication with an attached USB device. Descriptors are special  computer-readable structures
+ *  which the host requests upon device enumeration, to determine the device's capabilities and functions.
+ */
+ 
+#include "ConfigDescriptor.h"
+
+/** Reads and processes an attached device's descriptors, to determine compatibility and pipe configurations. This
+ *  routine will read in the entire configuration descriptor, and configure the hosts pipes to correctly communicate
+ *  with compatible devices.
+ *
+ *  This routine searches for a RNDIS interface descriptor containing bulk data IN and OUT endpoints, and an interrupt event endpoint.
+ *
+ *  \return An error code from the \ref RNDISHost_GetConfigDescriptorDataCodes_t enum.
+ */
+uint8_t ProcessConfigurationDescriptor(void)
+{
+	uint8_t  ConfigDescriptorData[512];
+	void*    CurrConfigLocation = ConfigDescriptorData;
+	uint16_t CurrConfigBytesRem;
+	uint8_t  FoundEndpoints = 0;
+
+	/* Retrieve the entire configuration descriptor into the allocated buffer */
+	switch (USB_Host_GetDeviceConfigDescriptor(1, &CurrConfigBytesRem, ConfigDescriptorData, sizeof(ConfigDescriptorData)))
+	{
+		case HOST_GETCONFIG_Successful:
+			break;
+		case HOST_GETCONFIG_InvalidData:
+			return InvalidConfigDataReturned;
+		case HOST_GETCONFIG_BuffOverflow:
+			return DescriptorTooLarge;
+		default:
+			return ControlError;
+	}
+	
+	/* Get the CDC control interface from the configuration descriptor */
+	if (USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
+	                              DComp_NextCDCControlInterface) != DESCRIPTOR_SEARCH_COMP_Found)
+	{
+		/* Descriptor not found, error out */
+		return NoRNDISInterfaceFound;
+	}
+
+	/* Get the IN and OUT data and IN notification endpoints for the RNDIS interface */
+	while (FoundEndpoints != ((1 << RNDIS_NOTIFICATIONPIPE) | (1 << RNDIS_DATAPIPE_IN) | (1 << RNDIS_DATAPIPE_OUT)))
+	{
+		/* Fetch the next bulk or interrupt endpoint from the current RNDIS interface */
+		if (USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
+		                              DComp_NextCDCDataInterfaceEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
+		{
+			/* Check to see if the control interface's notification pipe has been found, if so search for the data interface */
+			if (FoundEndpoints & (1 << RNDIS_NOTIFICATIONPIPE))
+			{
+				/* Get the next CDC data interface from the configuration descriptor (RNDIS class has two CDC interfaces) */
+				if (USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation, 
+				                              DComp_NextCDCDataInterface) != DESCRIPTOR_SEARCH_COMP_Found)
+				{
+					/* Descriptor not found, error out */
+					return NoRNDISInterfaceFound;
+				}
+			}
+			else
+			{
+				/* Clear the found endpoints mask, since any already processed endpoints aren't in the CDC interface we need */
+				FoundEndpoints = 0;
+
+				/* Disable any already configured pipes from the invalid RNDIS interfaces */
+				Pipe_SelectPipe(RNDIS_NOTIFICATIONPIPE);
+				Pipe_DisablePipe();
+				Pipe_SelectPipe(RNDIS_DATAPIPE_IN);
+				Pipe_DisablePipe();
+				Pipe_SelectPipe(RNDIS_DATAPIPE_OUT);
+				Pipe_DisablePipe();
+			
+				/* Get the next CDC control interface from the configuration descriptor (CDC class has two CDC interfaces) */
+				if (USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
+				                              DComp_NextCDCControlInterface) != DESCRIPTOR_SEARCH_COMP_Found)
+				{
+					/* Descriptor not found, error out */
+					return NoRNDISInterfaceFound;
+				}
+			}
+
+			/* Fetch the next bulk or interrupt endpoint from the current CDC interface */
+			if (USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
+			                              DComp_NextCDCDataInterfaceEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
+			{
+				/* Descriptor not found, error out */
+				return NoEndpointFound;
+			}
+		}
+		
+		USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(CurrConfigLocation, USB_Descriptor_Endpoint_t);
+
+		/* Check if the found endpoint is a interrupt or bulk type descriptor */
+		if ((EndpointData->Attributes & EP_TYPE_MASK) == EP_TYPE_INTERRUPT)
+		{
+			/* If the endpoint is a IN type interrupt endpoint */
+			if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN)
+			{							   
+				/* Configure the notification pipe */
+				Pipe_ConfigurePipe(RNDIS_NOTIFICATIONPIPE, EP_TYPE_INTERRUPT, PIPE_TOKEN_IN,
+								   EndpointData->EndpointAddress, EndpointData->EndpointSize, PIPE_BANK_SINGLE);
+
+				Pipe_SetInterruptPeriod(EndpointData->PollingIntervalMS);
+				
+				/* Set the flag indicating that the notification pipe has been found */
+				FoundEndpoints |= (1 << RNDIS_NOTIFICATIONPIPE);
+			}
+		}
+		else
+		{
+			/* Check if the endpoint is a bulk IN or bulk OUT endpoint */
+			if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN)
+			{
+				/* Configure the data IN pipe */
+				Pipe_ConfigurePipe(RNDIS_DATAPIPE_IN, EP_TYPE_BULK, PIPE_TOKEN_IN,
+								   EndpointData->EndpointAddress, EndpointData->EndpointSize, PIPE_BANK_SINGLE);
+				
+				/* Set the flag indicating that the data IN pipe has been found */
+				FoundEndpoints |= (1 << RNDIS_DATAPIPE_IN);
+			}
+			else
+			{
+				/* Configure the data OUT pipe */
+				Pipe_ConfigurePipe(RNDIS_DATAPIPE_OUT, EP_TYPE_BULK, PIPE_TOKEN_OUT,
+								   EndpointData->EndpointAddress, EndpointData->EndpointSize, PIPE_BANK_SINGLE);
+				
+				/* Set the flag indicating that the data OUT pipe has been found */
+				FoundEndpoints |= (1 << RNDIS_DATAPIPE_OUT);
+			}
+		}
+	}
+
+	/* Valid data found, return success */
+	return SuccessfulConfigRead;
+}
+
+/** Descriptor comparator function. This comparator function is can be called while processing an attached USB device's
+ *  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 Interface descriptor of the correct CDC control Class, Subclass and Protocol values.
+ *
+ *  \return A value from the DSEARCH_Return_ErrorCodes_t enum
+ */
+uint8_t DComp_NextCDCControlInterface(void* CurrentDescriptor)
+{
+	if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
+	{
+		/* 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_CONTROL_CLASS)    &&
+		    (DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).SubClass == CDC_CONTROL_SUBCLASS) &&
+		    (DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).Protocol == CDC_CONTROL_PROTOCOL))
+		{
+			return DESCRIPTOR_SEARCH_Found;
+		}
+	}
+	
+	return DESCRIPTOR_SEARCH_NotFound;
+}
+
+/** Descriptor comparator function. This comparator function is can be called while processing an attached USB device's
+ *  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 Interface descriptor of the correct CDC data Class, Subclass and Protocol values.
+ *
+ *  \return A value from the DSEARCH_Return_ErrorCodes_t enum
+ */
+uint8_t DComp_NextCDCDataInterface(void* CurrentDescriptor)
+{
+	if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
+	{
+		/* 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_DATA_CLASS)    &&
+		    (DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).SubClass == CDC_DATA_SUBCLASS) &&
+		    (DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).Protocol == CDC_DATA_PROTOCOL))
+		{
+			return DESCRIPTOR_SEARCH_Found;
+		}
+	}
+	
+	return DESCRIPTOR_SEARCH_NotFound;
+}
+
+/** Descriptor comparator function. This comparator function is can be called while processing an attached USB device's
+ *  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 bulk IN or OUT endpoint, or interrupt IN endpoint within the current interface,
+ *  aborting the search if another interface descriptor is found before the required endpoint (so that it may be compared
+ *  using a different comparator to determine if it is another CDC class interface).
+ *
+ *  \return A value from the DSEARCH_Return_ErrorCodes_t enum
+ */
+uint8_t DComp_NextCDCDataInterfaceEndpoint(void* CurrentDescriptor)
+{
+	if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Endpoint)
+	{
+		uint8_t EndpointType = (DESCRIPTOR_CAST(CurrentDescriptor,
+		                                        USB_Descriptor_Endpoint_t).Attributes & EP_TYPE_MASK);
+	
+		if ((EndpointType == EP_TYPE_BULK) || (EndpointType == EP_TYPE_INTERRUPT))
+		  return DESCRIPTOR_SEARCH_Found;
+	}
+	else if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
+	{
+		return DESCRIPTOR_SEARCH_Fail;
+	}
+
+	return DESCRIPTOR_SEARCH_NotFound;
+}