C++ USB_GetNextDescriptorComp函数代码示例

uint8_t MIDI_Host_ConfigurePipes(USB_ClassInfo_MIDI_Host_t* const MIDIInterfaceInfo,
                                 uint16_t ConfigDescriptorSize,
                                 void* ConfigDescriptorData)
{
	USB_Descriptor_Endpoint_t*  DataINEndpoint  = NULL;
	USB_Descriptor_Endpoint_t*  DataOUTEndpoint = NULL;
	USB_Descriptor_Interface_t* MIDIInterface   = NULL;

	memset(&MIDIInterfaceInfo->State, 0x00, sizeof(MIDIInterfaceInfo->State));

	if (DESCRIPTOR_TYPE(ConfigDescriptorData) != DTYPE_Configuration)
	  return MIDI_ENUMERROR_InvalidConfigDescriptor;

	while (!(DataINEndpoint) || !(DataOUTEndpoint))
	{
		if (!(MIDIInterface) ||
		    USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
		                              DCOMP_MIDI_Host_NextMIDIStreamingDataEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
		{
			if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
			                              DCOMP_MIDI_Host_NextMIDIStreamingInterface) != DESCRIPTOR_SEARCH_COMP_Found)
			{
				return MIDI_ENUMERROR_NoCompatibleInterfaceFound;
			}

			MIDIInterface = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Interface_t);

			DataINEndpoint  = NULL;
			DataOUTEndpoint = NULL;

			continue;
		}

		USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Endpoint_t);

		if ((EndpointData->EndpointAddress & ENDPOINT_DIR_MASK) == ENDPOINT_DIR_IN)
		  DataINEndpoint  = EndpointData;
		else
		  DataOUTEndpoint = EndpointData;
	}

	MIDIInterfaceInfo->Config.DataINPipe.Size  = le16_to_cpu(DataINEndpoint->EndpointSize);
	MIDIInterfaceInfo->Config.DataINPipe.EndpointAddress = DataINEndpoint->EndpointAddress;
	MIDIInterfaceInfo->Config.DataINPipe.Type  = EP_TYPE_BULK;

	MIDIInterfaceInfo->Config.DataOUTPipe.Size = le16_to_cpu(DataOUTEndpoint->EndpointSize);
	MIDIInterfaceInfo->Config.DataOUTPipe.EndpointAddress = DataOUTEndpoint->EndpointAddress;
	MIDIInterfaceInfo->Config.DataOUTPipe.Type = EP_TYPE_BULK;

	if (!(Pipe_ConfigurePipeTable(&MIDIInterfaceInfo->Config.DataINPipe, 1)))
	  return MIDI_ENUMERROR_PipeConfigurationFailed;

	if (!(Pipe_ConfigurePipeTable(&MIDIInterfaceInfo->Config.DataOUTPipe, 1)))
	  return MIDI_ENUMERROR_PipeConfigurationFailed;

	MIDIInterfaceInfo->State.InterfaceNumber = MIDIInterface->InterfaceNumber;
	MIDIInterfaceInfo->State.IsActive = true;

	return MIDI_ENUMERROR_NoError;
}

/** 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 HID interface descriptor containing at least one Interrupt type IN endpoint.
 *
 *  \return An error code from the \ref KeyboardHost_GetConfigDescriptorDataCodes_t enum.
 */
uint8_t ProcessConfigurationDescriptor(void)
{
	uint8_t  ConfigDescriptorData[512];
	void*    CurrConfigLocation = ConfigDescriptorData;
	uint16_t CurrConfigBytesRem;

	USB_Descriptor_Interface_t* HIDInterface   = NULL;
	USB_Descriptor_Endpoint_t*  DataINEndpoint = NULL;

	/* 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;
	}

	while (!(DataINEndpoint))
	{
		/* See if we've found a likely compatible interface, and if there is an endpoint within that interface */
		if (!(HIDInterface) ||
		    USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
		                              DComp_NextKeyboardInterfaceDataEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
		{
			/* Get the next HID interface from the configuration descriptor */
			if (USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
										  DComp_NextKeyboardInterface) != DESCRIPTOR_SEARCH_COMP_Found)
			{
				/* Descriptor not found, error out */
				return NoCompatibleInterfaceFound;
			}

			/* Save the interface in case we need to refer back to it later */
			HIDInterface = DESCRIPTOR_PCAST(CurrConfigLocation, USB_Descriptor_Interface_t);

			/* Skip the remainder of the loop as we have not found an endpoint yet */
			continue;
		}

		/* Retrieve the endpoint address from the endpoint descriptor */
		USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(CurrConfigLocation, USB_Descriptor_Endpoint_t);

		/* If the endpoint is a IN type endpoint */
		if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN)
		  DataINEndpoint = EndpointData;
	}

	/* Configure the HID data IN pipe */
	Pipe_ConfigurePipe(KEYBOARD_DATA_IN_PIPE, EP_TYPE_INTERRUPT, PIPE_TOKEN_IN,
	                   DataINEndpoint->EndpointAddress, DataINEndpoint->EndpointSize, PIPE_BANK_SINGLE);
	Pipe_SetInterruptPeriod(DataINEndpoint->PollingIntervalMS);

	/* Valid data found, return success */
	return SuccessfulConfigRead;
}

/** 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 the first interface containing bulk IN and OUT data endpoints.
 *
 *  \return An error code from the \ref AndroidHost_GetConfigDescriptorDataCodes_t enum.
 */
uint8_t ProcessConfigurationDescriptor(void)
{
	uint8_t  ConfigDescriptorData[512];
	void*    CurrConfigLocation = ConfigDescriptorData;
	uint16_t CurrConfigBytesRem;

	USB_Descriptor_Endpoint_t* DataINEndpoint  = NULL;
	USB_Descriptor_Endpoint_t* DataOUTEndpoint = NULL;

	/* 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 DevControlError;
	}

	/* There should be only one compatible Android Accessory Mode interface in the device, attempt to find it */
	if (USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
	                              DCOMP_NextAndroidAccessoryInterface) != DESCRIPTOR_SEARCH_COMP_Found)
	{
		return NoCompatibleInterfaceFound;
	}

	while (!(DataINEndpoint) || !(DataOUTEndpoint))
	{
		/* Get the next Android Accessory Mode interface's data endpoint descriptor */
		if (USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
		                              DCOMP_NextInterfaceBulkEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
		{
			/* Data endpoints not found within the first Android Accessory device interface, error out */
			return NoCompatibleInterfaceFound;
		}

		/* Retrieve the endpoint address from the endpoint descriptor */
		USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(CurrConfigLocation, USB_Descriptor_Endpoint_t);

		/* If the endpoint is a IN type endpoint */
		if ((EndpointData->EndpointAddress & ENDPOINT_DIR_MASK) == ENDPOINT_DIR_IN)
		  DataINEndpoint  = EndpointData;
		else
		  DataOUTEndpoint = EndpointData;
	}

	/* Configure the Android Accessory data IN pipe */
	Pipe_ConfigurePipe(ANDROID_DATA_IN_PIPE, EP_TYPE_BULK, DataINEndpoint->EndpointAddress, DataINEndpoint->EndpointSize, 1);

	/* Configure the Android Accessory data OUT pipe */
	Pipe_ConfigurePipe(ANDROID_DATA_OUT_PIPE, EP_TYPE_BULK, DataOUTEndpoint->EndpointAddress, DataOUTEndpoint->EndpointSize, 1);

	/* Valid data found, return success */
	return SuccessfulConfigRead;
}

/** 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 HID interface descriptor containing at least one Interrupt type IN endpoint and HID descriptor.
 *
 *  \return An error code from the \ref MouseHostWithParser_GetConfigDescriptorDataCodes_t enum.
 */
uint8_t ProcessConfigurationDescriptor(void)
{
	uint8_t  ConfigDescriptorData[512];
	void*    CurrConfigLocation = ConfigDescriptorData;
	uint16_t CurrConfigBytesRem;

	/* 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 mouse interface from the configuration descriptor */
	if (USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
	                              DComp_NextMouseInterface) != DESCRIPTOR_SEARCH_COMP_Found)
	{
		/* Descriptor not found, error out */
		return NoHIDInterfaceFound;
	}
	
	/* Get the mouse interface's HID descriptor */
	if (USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
	                              DComp_NextHID) != DESCRIPTOR_SEARCH_COMP_Found)
	{
		/* Descriptor not found, error out */
		return NoHIDDescriptorFound;
	}

	/* Save the HID report size for later use */
	HIDReportSize = DESCRIPTOR_CAST(CurrConfigLocation, USB_Descriptor_HID_t).HIDReportLength;
	
	/* Get the mouse interface's data endpoint descriptor */
	if (USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
	                              DComp_NextMouseInterfaceDataEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
	{
		/* Descriptor not found, error out */
		return NoEndpointFound;
	}
	
	/* Retrieve the endpoint address from the endpoint descriptor */
	USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(CurrConfigLocation, USB_Descriptor_Endpoint_t);

	/* Configure the mouse data pipe */
	Pipe_ConfigurePipe(MOUSE_DATAPIPE, EP_TYPE_INTERRUPT, PIPE_TOKEN_IN,
	                   EndpointData->EndpointAddress, EndpointData->EndpointSize, PIPE_BANK_SINGLE);

	/* Valid data found, return success */
	return SuccessfulConfigRead;
}

uint8_t AOA_Host_ConfigurePipes(USB_ClassInfo_AOA_Host_t* const AOAInterfaceInfo,
                                uint16_t ConfigDescriptorSize,
                                void* ConfigDescriptorData)
{
	USB_Descriptor_Endpoint_t*  DataINEndpoint  = NULL;
	USB_Descriptor_Endpoint_t*  DataOUTEndpoint = NULL;
	USB_Descriptor_Interface_t* AOAInterface    = NULL;

	memset(&AOAInterfaceInfo->State, 0x00, sizeof(AOAInterfaceInfo->State));

	if (DESCRIPTOR_TYPE(ConfigDescriptorData) != DTYPE_Configuration)
	  return AOA_ENUMERROR_InvalidConfigDescriptor;

	if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
	                              DCOMP_AOA_Host_NextAndroidAccessoryInterface) != DESCRIPTOR_SEARCH_COMP_Found)
	{
		return AOA_ENUMERROR_NoCompatibleInterfaceFound;
	}

	AOAInterface = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Interface_t);

	while (!(DataINEndpoint) || !(DataOUTEndpoint))
	{
		if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
		                              DCOMP_AOA_Host_NextInterfaceBulkEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
		{
			return AOA_ENUMERROR_NoCompatibleInterfaceFound;
		}

		USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Endpoint_t);

		if ((EndpointData->EndpointAddress & ENDPOINT_DIR_MASK) == ENDPOINT_DIR_IN)
		  DataINEndpoint  = EndpointData;
		else
		  DataOUTEndpoint = EndpointData;
	}

	AOAInterfaceInfo->Config.DataINPipe.Size  = le16_to_cpu(DataINEndpoint->EndpointSize);
	AOAInterfaceInfo->Config.DataINPipe.EndpointAddress = DataINEndpoint->EndpointAddress;
	AOAInterfaceInfo->Config.DataINPipe.Type  = EP_TYPE_BULK;

	AOAInterfaceInfo->Config.DataOUTPipe.Size = le16_to_cpu(DataOUTEndpoint->EndpointSize);
	AOAInterfaceInfo->Config.DataOUTPipe.EndpointAddress = DataOUTEndpoint->EndpointAddress;
	AOAInterfaceInfo->Config.DataOUTPipe.Type = EP_TYPE_BULK;

	if (!(Pipe_ConfigurePipeTable(&AOAInterfaceInfo->Config.DataINPipe, 1)))
	  return false;

	if (!(Pipe_ConfigurePipeTable(&AOAInterfaceInfo->Config.DataOUTPipe, 1)))
	  return false;

	AOAInterfaceInfo->State.IsActive        = true;
	AOAInterfaceInfo->State.InterfaceNumber = AOAInterface->InterfaceNumber;

	return AOA_ENUMERROR_NoError;
}

uint8_t PRNT_Host_ConfigurePipes(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo,
                                 uint16_t ConfigDescriptorSize,
							     void* DeviceConfigDescriptor)
{
	uint8_t FoundEndpoints = 0;
	
	memset(&PRNTInterfaceInfo->State, 0x00, sizeof(PRNTInterfaceInfo->State));

	if (DESCRIPTOR_TYPE(DeviceConfigDescriptor) != DTYPE_Configuration)
	  return PRNT_ENUMERROR_InvalidConfigDescriptor;
	
	if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &DeviceConfigDescriptor,
	                              DCOMP_PRNT_NextPRNTInterface) != DESCRIPTOR_SEARCH_COMP_Found)
	{
		return PRNT_ENUMERROR_NoPrinterInterfaceFound;
	}

	USB_Descriptor_Interface_t* PrinterInterface = DESCRIPTOR_PCAST(DeviceConfigDescriptor, USB_Descriptor_Interface_t);

	PRNTInterfaceInfo->State.InterfaceNumber  = PrinterInterface->InterfaceNumber;
	PRNTInterfaceInfo->State.AlternateSetting = PrinterInterface->AlternateSetting;
	
	while (FoundEndpoints != (PRNT_FOUND_DATAPIPE_IN | PRNT_FOUND_DATAPIPE_OUT))
	{
		if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &DeviceConfigDescriptor,
		                              DCOMP_PRNT_NextPRNTInterfaceEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
		{
			return PRNT_ENUMERROR_EndpointsNotFound;
		}
		
		USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(DeviceConfigDescriptor, USB_Descriptor_Endpoint_t);

		if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN)
		{
			Pipe_ConfigurePipe(PRNTInterfaceInfo->Config.DataINPipeNumber, EP_TYPE_BULK, PIPE_TOKEN_IN,
			                   EndpointData->EndpointAddress, EndpointData->EndpointSize,
			                   PRNTInterfaceInfo->Config.DataINPipeDoubleBank ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE);
			PRNTInterfaceInfo->State.DataINPipeSize = EndpointData->EndpointSize;

			FoundEndpoints |= PRNT_FOUND_DATAPIPE_IN;
		}
		else
		{
			Pipe_ConfigurePipe(PRNTInterfaceInfo->Config.DataOUTPipeNumber, EP_TYPE_BULK, PIPE_TOKEN_OUT,
			                   EndpointData->EndpointAddress, EndpointData->EndpointSize,
			                   PRNTInterfaceInfo->Config.DataOUTPipeDoubleBank ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE);
			PRNTInterfaceInfo->State.DataOUTPipeSize = EndpointData->EndpointSize;

			FoundEndpoints |= PRNT_FOUND_DATAPIPE_OUT;
		}		
	}

	PRNTInterfaceInfo->State.IsActive = true;
	return PRNT_ENUMERROR_NoError;
}

/** 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 HID interface descriptor containing at least one Interrupt type IN endpoint.
 *
 *  \return An error code from the KeyboardHost_GetConfigDescriptorDataCodes_t enum.
 */
uint8_t ProcessConfigurationDescriptor(void)
{
	uint8_t* ConfigDescriptorData;
	uint16_t ConfigDescriptorSize;
	
	/* Get Configuration Descriptor size from the device */
	if (USB_GetDeviceConfigDescriptor(&ConfigDescriptorSize, NULL) != HOST_SENDCONTROL_Successful)
	  return ControlError;
	
	/* Ensure that the Configuration Descriptor isn't too large */
	if (ConfigDescriptorSize > MAX_CONFIG_DESCRIPTOR_SIZE)
	  return DescriptorTooLarge;
	  
	/* Allocate enough memory for the entire config descriptor */
	ConfigDescriptorData = alloca(ConfigDescriptorSize);

	/* Retrieve the entire configuration descriptor into the allocated buffer */
	USB_GetDeviceConfigDescriptor(&ConfigDescriptorSize, ConfigDescriptorData);
	
	/* Validate returned data - ensure first entry is a configuration header descriptor */
	if (DESCRIPTOR_TYPE(ConfigDescriptorData) != DTYPE_Configuration)
	  return InvalidConfigDataReturned;
	
	/* Get the keyboard interface from the configuration descriptor */
	if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
	                              DComp_NextKeyboardInterface) != DESCRIPTOR_SEARCH_COMP_Found)
	{
		/* Descriptor not found, error out */
		return NoHIDInterfaceFound;
	}

	/* Get the keyboard interface's data endpoint descriptor */
	if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
	                              DComp_NextInterfaceKeyboardDataEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
	{
		/* Descriptor not found, error out */
		return NoEndpointFound;
	}
	
	/* Retrieve the endpoint address from the endpoint descriptor */
	USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Endpoint_t);

	/* Configure the keyboard data pipe */
	Pipe_ConfigurePipe(KEYBOARD_DATAPIPE, EP_TYPE_INTERRUPT, PIPE_TOKEN_IN,
	                   EndpointData->EndpointAddress, EndpointData->EndpointSize, PIPE_BANK_SINGLE);

	Pipe_SetInfiniteINRequests();
			
	/* Valid data found, return success */
	return SuccessfulConfigRead;
}

uint8_t MIDI_Host_ConfigurePipes(USB_ClassInfo_MIDI_Host_t* const MIDIInterfaceInfo,
                                 uint16_t ConfigDescriptorSize,
                                 void* ConfigDescriptorData)
{
	uint8_t FoundEndpoints = 0;

	memset(&MIDIInterfaceInfo->State, 0x00, sizeof(MIDIInterfaceInfo->State));

	if (DESCRIPTOR_TYPE(ConfigDescriptorData) != DTYPE_Configuration)
	  return MIDI_ENUMERROR_InvalidConfigDescriptor;
	
	if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
	                              DCOMP_MIDI_Host_NextMIDIStreamingInterface) != DESCRIPTOR_SEARCH_COMP_Found)
	{
		return MIDI_ENUMERROR_NoStreamingInterfaceFound;
	}
	
	while (FoundEndpoints != (MIDI_FOUND_DATAPIPE_IN | MIDI_FOUND_DATAPIPE_OUT))
	{
		if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
		                              DCOMP_MIDI_Host_NextMIDIStreamingDataEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
		{
			return MIDI_ENUMERROR_EndpointsNotFound;
		}
		
		USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Endpoint_t);

		if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN)
		{
			Pipe_ConfigurePipe(MIDIInterfaceInfo->Config.DataINPipeNumber, EP_TYPE_BULK, PIPE_TOKEN_IN,
							   EndpointData->EndpointAddress, EndpointData->EndpointSize,
							   MIDIInterfaceInfo->Config.DataINPipeDoubleBank ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE);
			MIDIInterfaceInfo->State.DataINPipeSize = EndpointData->EndpointSize;
			
			FoundEndpoints |= MIDI_FOUND_DATAPIPE_IN;
		}
		else
		{
			Pipe_ConfigurePipe(MIDIInterfaceInfo->Config.DataOUTPipeNumber, EP_TYPE_BULK, PIPE_TOKEN_OUT,
							   EndpointData->EndpointAddress, EndpointData->EndpointSize,
							   MIDIInterfaceInfo->Config.DataOUTPipeDoubleBank ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE);
			MIDIInterfaceInfo->State.DataOUTPipeSize = EndpointData->EndpointSize;

			FoundEndpoints |= MIDI_FOUND_DATAPIPE_OUT;
		}
	}
	
	MIDIInterfaceInfo->State.IsActive = true;
	return MIDI_ENUMERROR_NoError;
}

uint8_t Audio_Host_ConfigurePipes(USB_ClassInfo_Audio_Host_t* const AudioInterfaceInfo,
                                  uint16_t ConfigDescriptorSize,
                                  void* ConfigDescriptorData)
{
	USB_Descriptor_Endpoint_t*  DataINEndpoint          = NULL;
	USB_Descriptor_Endpoint_t*  DataOUTEndpoint         = NULL;
	USB_Descriptor_Interface_t* AudioControlInterface   = NULL;
	USB_Descriptor_Interface_t* AudioStreamingInterface = NULL;

	memset(&AudioInterfaceInfo->State, 0x00, sizeof(AudioInterfaceInfo->State));

	if (DESCRIPTOR_TYPE(ConfigDescriptorData) != DTYPE_Configuration)
	  return AUDIO_ENUMERROR_InvalidConfigDescriptor;

	while ((AudioInterfaceInfo->Config.DataINPipe.Address  && !(DataINEndpoint)) ||
	       (AudioInterfaceInfo->Config.DataOUTPipe.Address && !(DataOUTEndpoint)))
	{
		if (!(AudioControlInterface) ||
		    USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
		                              DCOMP_Audio_Host_NextAudioInterfaceDataEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
		{
			if (!(AudioControlInterface) ||
			    USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
			                              DCOMP_Audio_Host_NextAudioStreamInterface) != DESCRIPTOR_SEARCH_COMP_Found)
			{
				if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
				                              DCOMP_Audio_Host_NextAudioControlInterface) != DESCRIPTOR_SEARCH_COMP_Found)
				{
					return AUDIO_ENUMERROR_NoCompatibleInterfaceFound;
				}

				AudioControlInterface = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Interface_t);

				if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
				                              DCOMP_Audio_Host_NextAudioStreamInterface) != DESCRIPTOR_SEARCH_COMP_Found)
				{
					return AUDIO_ENUMERROR_NoCompatibleInterfaceFound;
				}
			}

			AudioStreamingInterface = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Interface_t);

			DataINEndpoint  = NULL;
			DataOUTEndpoint = NULL;

			continue;
		}

		USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Endpoint_t);

		if ((EndpointData->EndpointAddress & ENDPOINT_DIR_MASK) == ENDPOINT_DIR_IN)
		  DataINEndpoint  = EndpointData;
		else
		  DataOUTEndpoint = EndpointData;
	}

	AudioInterfaceInfo->Config.DataINPipe.Size   = le16_to_cpu(DataINEndpoint->EndpointSize);
	AudioInterfaceInfo->Config.DataINPipe.EndpointAddress = DataINEndpoint->EndpointAddress;
	AudioInterfaceInfo->Config.DataINPipe.Type   = EP_TYPE_ISOCHRONOUS;
	AudioInterfaceInfo->Config.DataINPipe.Banks  = 2;

	AudioInterfaceInfo->Config.DataOUTPipe.Size  = le16_to_cpu(DataOUTEndpoint->EndpointSize);
	AudioInterfaceInfo->Config.DataOUTPipe.EndpointAddress = DataOUTEndpoint->EndpointAddress;
	AudioInterfaceInfo->Config.DataOUTPipe.Type  = EP_TYPE_ISOCHRONOUS;
	AudioInterfaceInfo->Config.DataOUTPipe.Banks = 2;

	if (!(Pipe_ConfigurePipeTable(&AudioInterfaceInfo->Config.DataINPipe, 1)))
	  return false;

	if (!(Pipe_ConfigurePipeTable(&AudioInterfaceInfo->Config.DataOUTPipe, 1)))
	  return false;

	AudioInterfaceInfo->State.ControlInterfaceNumber    = AudioControlInterface->InterfaceNumber;
	AudioInterfaceInfo->State.StreamingInterfaceNumber  = AudioStreamingInterface->InterfaceNumber;
	AudioInterfaceInfo->State.EnabledStreamingAltIndex  = AudioStreamingInterface->AlternateSetting;
	AudioInterfaceInfo->State.IsActive = true;

	return AUDIO_ENUMERROR_NoError;
}

uint8_t SI_Host_ConfigurePipes(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo,
                               uint16_t ConfigDescriptorSize,
                               void* ConfigDescriptorData)
{
	USB_Descriptor_Endpoint_t*  DataINEndpoint      = NULL;
	USB_Descriptor_Endpoint_t*  DataOUTEndpoint     = NULL;
	USB_Descriptor_Endpoint_t*  EventsEndpoint      = NULL;
	USB_Descriptor_Interface_t* StillImageInterface = NULL;

	memset(&SIInterfaceInfo->State, 0x00, sizeof(SIInterfaceInfo->State));

	if (DESCRIPTOR_TYPE(ConfigDescriptorData) != DTYPE_Configuration)
	  return SI_ENUMERROR_InvalidConfigDescriptor;

	while (!(DataINEndpoint) || !(DataOUTEndpoint) || !(EventsEndpoint))
	{
		if (!(StillImageInterface) ||
		    USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
		                              DCOMP_SI_Host_NextSIInterfaceEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
		{
			if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
			                              DCOMP_SI_Host_NextSIInterface) != DESCRIPTOR_SEARCH_COMP_Found)
			{
				return SI_ENUMERROR_NoCompatibleInterfaceFound;
			}

			StillImageInterface = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Interface_t);

			DataINEndpoint  = NULL;
			DataOUTEndpoint = NULL;
			EventsEndpoint  = NULL;

			continue;
		}

		USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Endpoint_t);

		if ((EndpointData->EndpointAddress & ENDPOINT_DIR_MASK) == ENDPOINT_DIR_IN)
		{
			if ((EndpointData->Attributes & EP_TYPE_MASK) == EP_TYPE_INTERRUPT)
			  EventsEndpoint = EndpointData;
			else
			  DataINEndpoint = EndpointData;
		}
		else
		{
			DataOUTEndpoint = EndpointData;
		}
	}

	SIInterfaceInfo->Config.DataINPipe.Size  = le16_to_cpu(DataINEndpoint->EndpointSize);
	SIInterfaceInfo->Config.DataINPipe.EndpointAddress = DataINEndpoint->EndpointAddress;
	SIInterfaceInfo->Config.DataINPipe.Type  = EP_TYPE_BULK;

	SIInterfaceInfo->Config.DataOUTPipe.Size = le16_to_cpu(DataOUTEndpoint->EndpointSize);
	SIInterfaceInfo->Config.DataOUTPipe.EndpointAddress = DataOUTEndpoint->EndpointAddress;
	SIInterfaceInfo->Config.DataOUTPipe.Type = EP_TYPE_BULK;

	SIInterfaceInfo->Config.EventsPipe.Size = le16_to_cpu(EventsEndpoint->EndpointSize);
	SIInterfaceInfo->Config.EventsPipe.EndpointAddress = EventsEndpoint->EndpointAddress;
	SIInterfaceInfo->Config.EventsPipe.Type = EP_TYPE_INTERRUPT;

	if (!(Pipe_ConfigurePipeTable(&SIInterfaceInfo->Config.DataINPipe, 1)))
	  return SI_ENUMERROR_PipeConfigurationFailed;

	if (!(Pipe_ConfigurePipeTable(&SIInterfaceInfo->Config.DataOUTPipe, 1)))
	  return SI_ENUMERROR_PipeConfigurationFailed;

	if (!(Pipe_ConfigurePipeTable(&SIInterfaceInfo->Config.EventsPipe, 1)))
	  return SI_ENUMERROR_PipeConfigurationFailed;

	SIInterfaceInfo->State.InterfaceNumber = StillImageInterface->InterfaceNumber;
	SIInterfaceInfo->State.IsActive = true;

	return SI_ENUMERROR_NoError;
}

uint8_t SI_Host_ConfigurePipes(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo,
                               uint16_t ConfigDescriptorSize,
                               void* ConfigDescriptorData)
{
	USB_Descriptor_Endpoint_t*  DataINEndpoint      = NULL;
	USB_Descriptor_Endpoint_t*  DataOUTEndpoint     = NULL;
	USB_Descriptor_Endpoint_t*  EventsEndpoint      = NULL;
	USB_Descriptor_Interface_t* StillImageInterface = NULL;

	memset(&SIInterfaceInfo->State, 0x00, sizeof(SIInterfaceInfo->State));

	if (DESCRIPTOR_TYPE(ConfigDescriptorData) != DTYPE_Configuration)
	  return SI_ENUMERROR_InvalidConfigDescriptor;

	while (!(DataINEndpoint) || !(DataOUTEndpoint))
	{
		if (!(StillImageInterface) ||
		    USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
		                              DCOMP_SI_Host_NextSIInterfaceEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
		{
			if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
			                              DCOMP_SI_Host_NextSIInterface) != DESCRIPTOR_SEARCH_COMP_Found)
			{
				return SI_ENUMERROR_NoCompatibleInterfaceFound;
			}

			StillImageInterface = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Interface_t);

			DataINEndpoint  = NULL;
			DataOUTEndpoint = NULL;
			EventsEndpoint  = NULL;

			continue;
		}

		USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Endpoint_t);

		if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN)
		{
			if ((EndpointData->Attributes & EP_TYPE_MASK) == EP_TYPE_INTERRUPT)
			  EventsEndpoint = EndpointData;
			else
			  DataINEndpoint = EndpointData;
		}
		else
		{
			DataOUTEndpoint = EndpointData;
		}
	}

	for (uint8_t PipeNum = 1; PipeNum < PIPE_TOTAL_PIPES; PipeNum++)
	{
		if (PipeNum == SIInterfaceInfo->Config.DataINPipeNumber)
		{
			Pipe_ConfigurePipe(PipeNum, EP_TYPE_BULK, PIPE_TOKEN_IN,
			                   DataINEndpoint->EndpointAddress, DataINEndpoint->EndpointSize,
			                   SIInterfaceInfo->Config.DataINPipeDoubleBank ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE);

			SIInterfaceInfo->State.DataINPipeSize = DataINEndpoint->EndpointSize;
		}
		else if (PipeNum == SIInterfaceInfo->Config.DataOUTPipeNumber)
		{
			Pipe_ConfigurePipe(PipeNum, EP_TYPE_BULK, PIPE_TOKEN_OUT,
			                   DataOUTEndpoint->EndpointAddress, DataOUTEndpoint->EndpointSize,
			                   SIInterfaceInfo->Config.DataOUTPipeDoubleBank ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE);

			SIInterfaceInfo->State.DataOUTPipeSize = DataOUTEndpoint->EndpointSize;
		}
		else if (PipeNum == SIInterfaceInfo->Config.EventsPipeNumber)
		{
			Pipe_ConfigurePipe(PipeNum, EP_TYPE_INTERRUPT, PIPE_TOKEN_IN,
			                   EventsEndpoint->EndpointAddress, EventsEndpoint->EndpointSize,
			                   SIInterfaceInfo->Config.EventsPipeDoubleBank ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE);
			Pipe_SetInterruptPeriod(EventsEndpoint->PollingIntervalMS);

			SIInterfaceInfo->State.EventsPipeSize = EventsEndpoint->EndpointSize;
		}
	}

	SIInterfaceInfo->State.InterfaceNumber = StillImageInterface->InterfaceNumber;
	SIInterfaceInfo->State.IsActive = true;

	return SI_ENUMERROR_NoError;
}

uint8_t PRNT_Host_ConfigurePipes(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo,
                                 uint16_t ConfigDescriptorSize,
							     void* ConfigDescriptorData)
{
	USB_Descriptor_Endpoint_t*  DataINEndpoint   = NULL;
	USB_Descriptor_Endpoint_t*  DataOUTEndpoint  = NULL;
	USB_Descriptor_Interface_t* PrinterInterface = NULL;

	memset(&PRNTInterfaceInfo->State, 0x00, sizeof(PRNTInterfaceInfo->State));

	if (DESCRIPTOR_TYPE(ConfigDescriptorData) != DTYPE_Configuration)
	  return PRNT_ENUMERROR_InvalidConfigDescriptor;

	while (!(DataINEndpoint) || !(DataOUTEndpoint))
	{
		if (!(PrinterInterface) ||
		    USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
		                              DCOMP_PRNT_Host_NextPRNTInterfaceEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
		{
			if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
			                              DCOMP_PRNT_Host_NextPRNTInterface) != DESCRIPTOR_SEARCH_COMP_Found)
			{
				return PRNT_ENUMERROR_NoCompatibleInterfaceFound;
			}

			PrinterInterface = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Interface_t);

			DataINEndpoint  = NULL;
			DataOUTEndpoint = NULL;

			continue;
		}

		USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Endpoint_t);

		if ((EndpointData->EndpointAddress & ENDPOINT_DIR_MASK) == ENDPOINT_DIR_IN)
		  DataINEndpoint  = EndpointData;
		else
		  DataOUTEndpoint = EndpointData;
	}

	for (uint8_t PipeNum = 1; PipeNum < PIPE_TOTAL_PIPES; PipeNum++)
	{
		uint16_t Size;
		uint8_t  Type;
		uint8_t  Token;
		uint8_t  EndpointAddress;
		bool     DoubleBanked;

		if (PipeNum == PRNTInterfaceInfo->Config.DataINPipeNumber)
		{
			Size            = le16_to_cpu(DataINEndpoint->EndpointSize);
			EndpointAddress = DataINEndpoint->EndpointAddress;
			Token           = PIPE_TOKEN_IN;
			Type            = EP_TYPE_BULK;
			DoubleBanked    = PRNTInterfaceInfo->Config.DataINPipeDoubleBank;

			PRNTInterfaceInfo->State.DataINPipeSize = DataINEndpoint->EndpointSize;
		}
		else if (PipeNum == PRNTInterfaceInfo->Config.DataOUTPipeNumber)
		{
			Size            = le16_to_cpu(DataOUTEndpoint->EndpointSize);
			EndpointAddress = DataOUTEndpoint->EndpointAddress;
			Token           = PIPE_TOKEN_OUT;
			Type            = EP_TYPE_BULK;
			DoubleBanked    = PRNTInterfaceInfo->Config.DataOUTPipeDoubleBank;

			PRNTInterfaceInfo->State.DataOUTPipeSize = DataOUTEndpoint->EndpointSize;
		}
		else
		{
			continue;
		}

		if (!(Pipe_ConfigurePipe(PipeNum, Type, Token, EndpointAddress, Size,
		                         DoubleBanked ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE)))
		{
			return PRNT_ENUMERROR_PipeConfigurationFailed;
		}
	}

	PRNTInterfaceInfo->State.InterfaceNumber  = PrinterInterface->InterfaceNumber;
	PRNTInterfaceInfo->State.AlternateSetting = PrinterInterface->AlternateSetting;
	PRNTInterfaceInfo->State.IsActive = true;

	return PRNT_ENUMERROR_NoError;
}

/** 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 SI interface descriptor containing bulk IN and OUT data endpoints.
 *
 *  \return An error code from the \ref StillImageHost_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 Still Image interface from the configuration descriptor */
	if (USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
	                              DComp_NextStillImageInterface) != DESCRIPTOR_SEARCH_COMP_Found)
	{
		/* Descriptor not found, error out */
		return NoInterfaceFound;
	}

	/* Get the IN and OUT data and event endpoints for the Still Image interface */
	while (FoundEndpoints != ((1 << SIMAGE_EVENTS_PIPE) | (1 << SIMAGE_DATA_IN_PIPE) | (1 << SIMAGE_DATA_OUT_PIPE)))
	{
		/* Fetch the next endpoint from the current Still Image interface */
		if (USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
		                              DComp_NextStillImageInterfaceDataEndpoint) != 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 events pipe */
				Pipe_ConfigurePipe(SIMAGE_EVENTS_PIPE, EP_TYPE_INTERRUPT, PIPE_TOKEN_IN,
								   EndpointData->EndpointAddress, EndpointData->EndpointSize,
								   PIPE_BANK_DOUBLE);			

				Pipe_SetInterruptPeriod(EndpointData->PollingIntervalMS);
				
				/* Set the flag indicating that the events pipe has been found */
				FoundEndpoints |= (1 << SIMAGE_EVENTS_PIPE);
			}
		}
		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(SIMAGE_DATA_IN_PIPE, EP_TYPE_BULK, PIPE_TOKEN_IN,
								   EndpointData->EndpointAddress, EndpointData->EndpointSize,
								   PIPE_BANK_DOUBLE);

				/* Set the flag indicating that the data IN pipe has been found */
				FoundEndpoints |= (1 << SIMAGE_DATA_IN_PIPE);
			}
			else
			{
				/* Configure the data OUT pipe */
				Pipe_ConfigurePipe(SIMAGE_DATA_OUT_PIPE, EP_TYPE_BULK, PIPE_TOKEN_OUT,
								   EndpointData->EndpointAddress, EndpointData->EndpointSize,
								   PIPE_BANK_DOUBLE);

				/* Set the flag indicating that the data OUT pipe has been found */
				FoundEndpoints |= (1 << SIMAGE_DATA_OUT_PIPE);
			}
		}
	}

	/* Valid data found, return success */
	return SuccessfulConfigRead;
}

uint8_t RNDIS_Host_ConfigurePipes(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo,
                                  uint16_t ConfigDescriptorSize,
                                  void* ConfigDescriptorData)
{
	USB_Descriptor_Endpoint_t*  DataINEndpoint        = NULL;
	USB_Descriptor_Endpoint_t*  DataOUTEndpoint       = NULL;
	USB_Descriptor_Endpoint_t*  NotificationEndpoint  = NULL;
	USB_Descriptor_Interface_t* RNDISControlInterface = NULL;

	memset(&RNDISInterfaceInfo->State, 0x00, sizeof(RNDISInterfaceInfo->State));

	if (DESCRIPTOR_TYPE(ConfigDescriptorData) != DTYPE_Configuration)
	  return RNDIS_ENUMERROR_InvalidConfigDescriptor;

	RNDISControlInterface = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Interface_t);

	while (!(DataINEndpoint) || !(DataOUTEndpoint) || !(NotificationEndpoint))
	{
		if (!(RNDISControlInterface) ||
		    USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
		                              DCOMP_RNDIS_Host_NextRNDISInterfaceEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
		{
			if (NotificationEndpoint)
			{
				if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
											  DCOMP_RNDIS_Host_NextRNDISDataInterface) != DESCRIPTOR_SEARCH_COMP_Found)
				{
					return RNDIS_ENUMERROR_NoCompatibleInterfaceFound;
				}

				DataINEndpoint  = NULL;
				DataOUTEndpoint = NULL;
			}
			else
			{
				if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
											  DCOMP_RNDIS_Host_NextRNDISControlInterface) != DESCRIPTOR_SEARCH_COMP_Found)
				{
					return RNDIS_ENUMERROR_NoCompatibleInterfaceFound;
				}

				RNDISControlInterface = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Interface_t);

				NotificationEndpoint = NULL;
			}

			continue;
		}

		USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Endpoint_t);

		if ((EndpointData->EndpointAddress & ENDPOINT_DIR_MASK) == ENDPOINT_DIR_IN)
		{
			if ((EndpointData->Attributes & EP_TYPE_MASK) == EP_TYPE_INTERRUPT)
			  NotificationEndpoint = EndpointData;
			else
			  DataINEndpoint = EndpointData;
		}
		else
		{
			DataOUTEndpoint = EndpointData;
		}
	}

	for (uint8_t PipeNum = 1; PipeNum < PIPE_TOTAL_PIPES; PipeNum++)
	{
		uint16_t Size;
		uint8_t  Type;
		uint8_t  Token;
		uint8_t  EndpointAddress;
		uint8_t  InterruptPeriod;
		bool     DoubleBanked;

		if (PipeNum == RNDISInterfaceInfo->Config.DataINPipeNumber)
		{
			Size            = le16_to_cpu(DataINEndpoint->EndpointSize);
			EndpointAddress = DataINEndpoint->EndpointAddress;
			Token           = PIPE_TOKEN_IN;
			Type            = EP_TYPE_BULK;
			DoubleBanked    = RNDISInterfaceInfo->Config.DataINPipeDoubleBank;
			InterruptPeriod = 0;

			RNDISInterfaceInfo->State.DataINPipeSize = DataINEndpoint->EndpointSize;
		}
		else if (PipeNum == RNDISInterfaceInfo->Config.DataOUTPipeNumber)
		{
			Size            = le16_to_cpu(DataOUTEndpoint->EndpointSize);
			EndpointAddress = DataOUTEndpoint->EndpointAddress;
			Token           = PIPE_TOKEN_OUT;
			Type            = EP_TYPE_BULK;
			DoubleBanked    = RNDISInterfaceInfo->Config.DataOUTPipeDoubleBank;
			InterruptPeriod = 0;

			RNDISInterfaceInfo->State.DataOUTPipeSize = DataOUTEndpoint->EndpointSize;
		}
		else if (PipeNum == RNDISInterfaceInfo->Config.NotificationPipeNumber)
		{
			Size            = le16_to_cpu(NotificationEndpoint->EndpointSize);
			EndpointAddress = NotificationEndpoint->EndpointAddress;
			Token           = PIPE_TOKEN_IN;
//.........这里部分代码省略.........

uint8_t RNDIS_Host_ConfigurePipes(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo, uint16_t ConfigDescriptorSize,
                                void* ConfigDescriptorData)
{
	uint8_t FoundEndpoints = 0;

	memset(&RNDISInterfaceInfo->State, 0x00, sizeof(RNDISInterfaceInfo->State));

	if (DESCRIPTOR_TYPE(ConfigDescriptorData) != DTYPE_Configuration)
	  return RNDIS_ENUMERROR_InvalidConfigDescriptor;
	
	if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
	                              DCOMP_RNDIS_Host_NextRNDISControlInterface) != DESCRIPTOR_SEARCH_COMP_Found)
	{
		return RNDIS_ENUMERROR_NoRNDISInterfaceFound;
	}
	
	RNDISInterfaceInfo->State.ControlInterfaceNumber = DESCRIPTOR_CAST(ConfigDescriptorData, USB_Descriptor_Interface_t).InterfaceNumber;

	while (FoundEndpoints != (RNDIS_FOUND_NOTIFICATION_IN | RNDIS_FOUND_DATAPIPE_IN | RNDIS_FOUND_DATAPIPE_OUT))
	{
		if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
		                              DCOMP_RNDIS_Host_NextRNDISInterfaceEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
		{
			if (FoundEndpoints & RNDIS_FOUND_NOTIFICATION_IN)
			{
				if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData, 
				                              DCOMP_RNDIS_Host_NextRNDISDataInterface) != DESCRIPTOR_SEARCH_COMP_Found)
				{
					return RNDIS_ENUMERROR_NoRNDISInterfaceFound;
				}
			}
			else
			{
				FoundEndpoints = 0;

				Pipe_SelectPipe(RNDISInterfaceInfo->Config.DataINPipeNumber);
				Pipe_DisablePipe();
				Pipe_SelectPipe(RNDISInterfaceInfo->Config.DataOUTPipeNumber);
				Pipe_DisablePipe();
				Pipe_SelectPipe(RNDISInterfaceInfo->Config.NotificationPipeNumber);
				Pipe_DisablePipe();
			
				if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
				                              DCOMP_RNDIS_Host_NextRNDISControlInterface) != DESCRIPTOR_SEARCH_COMP_Found)
				{
					return RNDIS_ENUMERROR_NoRNDISInterfaceFound;
				}
			}

			if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
			                              DCOMP_RNDIS_Host_NextRNDISInterfaceEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
			{
				return RNDIS_ENUMERROR_EndpointsNotFound;
			}
		}
		
		USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Endpoint_t);

		if ((EndpointData->Attributes & EP_TYPE_MASK) == EP_TYPE_INTERRUPT)
		{
			if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN)
			{
				Pipe_ConfigurePipe(RNDISInterfaceInfo->Config.NotificationPipeNumber, EP_TYPE_INTERRUPT, PIPE_TOKEN_IN,
								   EndpointData->EndpointAddress, EndpointData->EndpointSize,
								   RNDISInterfaceInfo->Config.NotificationPipeDoubleBank ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE);
				RNDISInterfaceInfo->State.NotificationPipeSize = EndpointData->EndpointSize;

				Pipe_SetInterruptPeriod(EndpointData->PollingIntervalMS);
				
				FoundEndpoints |= RNDIS_FOUND_NOTIFICATION_IN;
			}
		}
		else
		{
			if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN)
			{
				Pipe_ConfigurePipe(RNDISInterfaceInfo->Config.DataINPipeNumber, EP_TYPE_BULK, PIPE_TOKEN_IN,
				                   EndpointData->EndpointAddress, EndpointData->EndpointSize, 
				                   RNDISInterfaceInfo->Config.DataINPipeDoubleBank ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE);
				RNDISInterfaceInfo->State.DataINPipeSize = EndpointData->EndpointSize;

				FoundEndpoints |= RNDIS_FOUND_DATAPIPE_IN;
			}
			else
			{
				Pipe_ConfigurePipe(RNDISInterfaceInfo->Config.DataOUTPipeNumber, EP_TYPE_BULK, PIPE_TOKEN_OUT,
				                   EndpointData->EndpointAddress, EndpointData->EndpointSize, 
				                   RNDISInterfaceInfo->Config.DataOUTPipeDoubleBank ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE);
				RNDISInterfaceInfo->State.DataOUTPipeSize = EndpointData->EndpointSize;
				
				FoundEndpoints |= RNDIS_FOUND_DATAPIPE_OUT;
			}
		}
	}

	RNDISInterfaceInfo->State.IsActive = true;
	return RNDIS_ENUMERROR_NoError;
}