2 files changed, 0 insertions, 220 deletions
diff --git a/lib/lufa b/lib/lufa
new file mode 160000
+Subproject ce10f7642b0459e409839b23cc91498945119b4
diff --git a/lib/lufa/Demos/Host/LowLevel/AudioInputHost/ConfigDescriptor.c b/lib/lufa/Demos/Host/LowLevel/AudioInputHost/ConfigDescriptor.c
deleted file mode 100644
index 81ebf9d85f..0000000000
--- a/lib/lufa/Demos/Host/LowLevel/AudioInputHost/ConfigDescriptor.c
+++ /dev/null
@@ -1,220 +0,0 @@
-/*
-             LUFA Library
-     Copyright (C) Dean Camera, 2017.
-
-  dean [at] fourwalledcubicle [dot] com
-           www.lufa-lib.org
-*/
-
-/*
-  Copyright 2017  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 disclaims 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"
-
-/** Index of the currently used Audio Streaming Interface within the device. */
-uint8_t StreamingInterfaceIndex      = 0;
-
-/** Alternative Setting of the currently used Audio Streaming Interface within the device. */
-uint8_t StreamingInterfaceAltSetting = 0;
-
-/** Address of the streaming audio endpoint currently in use within the device. */
-uint8_t StreamingEndpointAddress     = 0;
-
-
-/** 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 Streaming Audio interface descriptor containing a valid Isochronous audio endpoint.
- *
- *  \return An error code from the \ref AudioHost_GetConfigDescriptorDataCodes_t enum.
- */
-uint8_t ProcessConfigurationDescriptor(void)
-{
-	uint8_t  ConfigDescriptorData[512];
-	void*    CurrConfigLocation = ConfigDescriptorData;
-	uint16_t CurrConfigBytesRem;
-
-	USB_Descriptor_Interface_t* AudioControlInterface   = NULL;
-	USB_Descriptor_Interface_t* AudioStreamingInterface = 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 (!(AudioControlInterface) ||
-		    USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
-		                              DComp_NextAudioInterfaceDataEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
-		{
-			/* Check if we haven't found an Audio Control interface yet, or if we have run out of related Audio Streaming interfaces */
-			if (!(AudioControlInterface) ||
-			    USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
-			                              DComp_NextAudioStreamInterface) != DESCRIPTOR_SEARCH_COMP_Found)
-			{
-				/* Find a new Audio Control interface if the current one doesn't contain a compatible streaming interface */
-				if (USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
-				                              DComp_NextAudioControlInterface) != DESCRIPTOR_SEARCH_COMP_Found)
-				{
-					/* Descriptor not found, error out */
-					return NoCompatibleInterfaceFound;
-				}
-
-				/* Save the interface in case we need to refer back to it later */
-				AudioControlInterface = DESCRIPTOR_PCAST(CurrConfigLocation, USB_Descriptor_Interface_t);
-
-				/* Find the next Audio Streaming interface within that Audio Control interface */
-				if (USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
-				                              DComp_NextAudioStreamInterface) != DESCRIPTOR_SEARCH_COMP_Found)
-				{
-					/* Descriptor not found, error out */
-					return NoCompatibleInterfaceFound;
-				}
-			}
-
-			/* Save the interface in case we need to refer back to it later */
-			AudioStreamingInterface = 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);
-
-		/* Save the endpoint if it is an IN type endpoint */
-		if ((EndpointData->EndpointAddress & ENDPOINT_DIR_MASK) == ENDPOINT_DIR_IN)
-		  DataINEndpoint = EndpointData;
-	}
-
-	StreamingInterfaceIndex      = AudioStreamingInterface->InterfaceNumber;
-	StreamingInterfaceAltSetting = AudioStreamingInterface->AlternateSetting;
-	StreamingEndpointAddress     = DataINEndpoint->EndpointAddress;
-
-	/* Configure the Audio data IN pipe */
-	Pipe_ConfigurePipe(AUDIO_DATA_IN_PIPE, EP_TYPE_ISOCHRONOUS, DataINEndpoint->EndpointAddress, DataINEndpoint->EndpointSize, 2);
-
-	/* 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 Audio Control Class, Subclass and Protocol values.
- *
- *  \return A value from the DSEARCH_Return_ErrorCodes_t enum
- */
-uint8_t DComp_NextAudioControlInterface(void* CurrentDescriptor)
-{
-	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);
-
-		if ((Interface->Class    == AUDIO_CSCP_AudioClass) &&
-		    (Interface->SubClass == AUDIO_CSCP_ControlSubclass) &&
-		    (Interface->Protocol == AUDIO_CSCP_ControlProtocol))
-		{
-			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 Audio Streaming Class, Subclass and Protocol values.
- *
- *  \return A value from the DSEARCH_Return_ErrorCodes_t enum
- */
-uint8_t DComp_NextAudioStreamInterface(void* CurrentDescriptor)
-{
-	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);
-
-		if ((Interface->Class    == AUDIO_CSCP_AudioClass) &&
-		    (Interface->SubClass == AUDIO_CSCP_AudioStreamingSubclass) &&
-		    (Interface->Protocol == AUDIO_CSCP_StreamingProtocol))
-		{
-			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 Isochronous Endpoint descriptor within the current interface, aborting the
- *  search if another interface descriptor is found before the next endpoint.
- *
- *  \return A value from the DSEARCH_Return_ErrorCodes_t enum
- */
-uint8_t DComp_NextAudioInterfaceDataEndpoint(void* CurrentDescriptor)
-{
-	USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
-
-	if (Header->Type == DTYPE_Endpoint)
-	{
-		USB_Descriptor_Endpoint_t* Endpoint = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Endpoint_t);
-
-		if ((Endpoint->Attributes & EP_TYPE_MASK) == EP_TYPE_ISOCHRONOUS)
-		  return DESCRIPTOR_SEARCH_Found;
-	}
-	else if (Header->Type == DTYPE_Interface)
-	{
-		return DESCRIPTOR_SEARCH_Fail;
-	}
-
-	return DESCRIPTOR_SEARCH_NotFound;
-}
-