Seperate out the device demos and project's configuration descriptor structure definitions to clearly indicate what descriptors belong to which interface.

Bootloaders/CDC/Descriptors.h

@@ -149,11 +149,15 @@
 		typedef struct
 		{
 			USB_Descriptor_Configuration_Header_t    Config;
+			
+			// CDC Control Interface
 			USB_Descriptor_Interface_t               CDC_CCI_Interface;
 			USB_Descriptor_CDC_FunctionalHeader_t    CDC_Functional_Header;
 			USB_Descriptor_CDC_FunctionalACM_t       CDC_Functional_ACM;
 			USB_Descriptor_CDC_FunctionalUnion_t     CDC_Functional_Union;
 			USB_Descriptor_Endpoint_t                CDC_NotificationEndpoint;
+			
+			// CDC Data Interface
 			USB_Descriptor_Interface_t               CDC_DCI_Interface;
 			USB_Descriptor_Endpoint_t                CDC_DataOutEndpoint;
 			USB_Descriptor_Endpoint_t                CDC_DataInEndpoint;

Bootloaders/DFU/Descriptors.h

@@ -161,6 +161,8 @@
 		typedef struct
 		{
 			USB_Descriptor_Configuration_Header_t Config;
+			
+			// DFU Interface
 			USB_Descriptor_Interface_t            DFU_Interface;
 			USB_Descriptor_DFU_Functional_t       DFU_Functional;
 		} USB_Descriptor_Configuration_t;

Bootloaders/HID/Descriptors.h

@@ -47,6 +47,8 @@
 		typedef struct
 		{
 			USB_Descriptor_Configuration_Header_t Config;
+			
+			// Generic HID Interface
 			USB_Descriptor_Interface_t            HID_Interface;
 			USB_HID_Descriptor_HID_t              HID_VendorHID;
 	        USB_Descriptor_Endpoint_t             HID_ReportINEndpoint;

Demos/Device/ClassDriver/AudioInput/Descriptors.h

@@ -59,10 +59,14 @@
 		typedef struct
 		{
 			USB_Descriptor_Configuration_Header_t     Config;
+
+			// Audio Control Interface
 			USB_Descriptor_Interface_t                Audio_ControlInterface;
 			USB_Audio_Descriptor_Interface_AC_t       Audio_ControlInterface_SPC;
 			USB_Audio_Descriptor_InputTerminal_t      Audio_InputTerminal;
 			USB_Audio_Descriptor_OutputTerminal_t     Audio_OutputTerminal;
+
+			// Audio Streaming Interface
 			USB_Descriptor_Interface_t                Audio_StreamInterface_Alt0;
 			USB_Descriptor_Interface_t                Audio_StreamInterface_Alt1;
 			USB_Audio_Descriptor_Interface_AS_t       Audio_StreamInterface_SPC;

Demos/Device/ClassDriver/AudioOutput/Descriptors.h

@@ -59,10 +59,14 @@
 		typedef struct
 		{
 			USB_Descriptor_Configuration_Header_t     Config;
+
+			// Audio Control Interface
 			USB_Descriptor_Interface_t                Audio_ControlInterface;
 			USB_Audio_Descriptor_Interface_AC_t       Audio_ControlInterface_SPC;
 			USB_Audio_Descriptor_InputTerminal_t      Audio_InputTerminal;
 			USB_Audio_Descriptor_OutputTerminal_t     Audio_OutputTerminal;
+
+			// Audio Streaming Interface
 			USB_Descriptor_Interface_t                Audio_StreamInterface_Alt0;
 			USB_Descriptor_Interface_t                Audio_StreamInterface_Alt1;
 			USB_Audio_Descriptor_Interface_AS_t       Audio_StreamInterface_SPC;

Demos/Device/ClassDriver/DualVirtualSerial/Descriptors.h

@@ -74,21 +74,29 @@
 		typedef struct
 		{
 			USB_Descriptor_Configuration_Header_t    Config;
+
+			// First CDC Control Interface
 			USB_Descriptor_Interface_Association_t   CDC1_IAD;
 			USB_Descriptor_Interface_t               CDC1_CCI_Interface;
 			USB_CDC_Descriptor_FunctionalHeader_t    CDC1_Functional_Header;
 			USB_CDC_Descriptor_FunctionalACM_t       CDC1_Functional_ACM;
 			USB_CDC_Descriptor_FunctionalUnion_t     CDC1_Functional_Union;
 			USB_Descriptor_Endpoint_t                CDC1_ManagementEndpoint;
+
+			// First CDC Data Interface
 			USB_Descriptor_Interface_t               CDC1_DCI_Interface;
 			USB_Descriptor_Endpoint_t                CDC1_DataOutEndpoint;
 			USB_Descriptor_Endpoint_t                CDC1_DataInEndpoint;
+
+			// Second CDC Control Interface
 			USB_Descriptor_Interface_Association_t   CDC2_IAD;
 			USB_Descriptor_Interface_t               CDC2_CCI_Interface;
 			USB_CDC_Descriptor_FunctionalHeader_t    CDC2_Functional_Header;
 			USB_CDC_Descriptor_FunctionalACM_t       CDC2_Functional_ACM;
 			USB_CDC_Descriptor_FunctionalUnion_t     CDC2_Functional_Union;
 			USB_Descriptor_Endpoint_t                CDC2_ManagementEndpoint;
+
+			// Second CDC Data Interface
 			USB_Descriptor_Interface_t               CDC2_DCI_Interface;
 			USB_Descriptor_Endpoint_t                CDC2_DataOutEndpoint;
 			USB_Descriptor_Endpoint_t                CDC2_DataInEndpoint;

Demos/Device/ClassDriver/GenericHID/Descriptors.h

@@ -49,6 +49,8 @@
 		typedef struct
 		{
 			USB_Descriptor_Configuration_Header_t Config;
+
+			// Generic HID Interface
 			USB_Descriptor_Interface_t            HID_Interface;
 			USB_HID_Descriptor_HID_t              HID_GenericHID;
 	        USB_Descriptor_Endpoint_t             HID_ReportINEndpoint;

Demos/Device/ClassDriver/Joystick/Descriptors.h

@@ -49,6 +49,8 @@
 		typedef struct
 		{
 			USB_Descriptor_Configuration_Header_t Config;
+
+			// Joystick HID Interface
 			USB_Descriptor_Interface_t            HID_Interface;
 			USB_HID_Descriptor_HID_t              HID_JoystickHID;
 	        USB_Descriptor_Endpoint_t             HID_ReportINEndpoint;

Demos/Device/ClassDriver/Keyboard/Descriptors.h

@@ -49,6 +49,8 @@
 		typedef struct
 		{
 			USB_Descriptor_Configuration_Header_t Config;
+
+			// Keyboard HID Interface
 			USB_Descriptor_Interface_t            HID_Interface;
 			USB_HID_Descriptor_HID_t              HID_KeyboardHID;
 	        USB_Descriptor_Endpoint_t             HID_ReportINEndpoint;

Demos/Device/ClassDriver/KeyboardMouse/Descriptors.h

@@ -49,9 +49,13 @@
 		typedef struct
 		{
 			USB_Descriptor_Configuration_Header_t Config;
+
+			// Keyboard HID Interface
 			USB_Descriptor_Interface_t            HID1_KeyboardInterface;
 			USB_HID_Descriptor_HID_t              HID1_KeyboardHID;
 			USB_Descriptor_Endpoint_t             HID1_ReportINEndpoint;
+
+			// Mouse HID Interface
 			USB_Descriptor_Interface_t            HID2_MouseInterface;
 			USB_HID_Descriptor_HID_t              HID2_MouseHID;
 			USB_Descriptor_Endpoint_t             HID2_ReportINEndpoint;

Demos/Device/ClassDriver/KeyboardMouseMultiReport/Descriptors.h

@@ -49,6 +49,8 @@
 		typedef struct
 		{
 			USB_Descriptor_Configuration_Header_t Config;
+
+			// Combined Keyboard/Mouse HID Interface
 			USB_Descriptor_Interface_t            HID_Interface;
 			USB_HID_Descriptor_HID_t              HID_HIDData;
 			USB_Descriptor_Endpoint_t             HID_ReportINEndpoint;

Demos/Device/ClassDriver/MIDI/Descriptors.h

@@ -59,8 +59,12 @@
 		typedef struct
 		{
 			USB_Descriptor_Configuration_Header_t     Config;
+
+			// MIDI Audio Control Interface
 			USB_Descriptor_Interface_t                Audio_ControlInterface;
 			USB_Audio_Descriptor_Interface_AC_t       Audio_ControlInterface_SPC;
+
+			// MIDI Audio Streaming Interface
 			USB_Descriptor_Interface_t                Audio_StreamInterface;
 			USB_MIDI_Descriptor_AudioInterface_AS_t   Audio_StreamInterface_SPC;
 			USB_MIDI_Descriptor_InputJack_t           MIDI_In_Jack_Emb;

Demos/Device/ClassDriver/MassStorage/Descriptors.h

@@ -59,6 +59,8 @@
 		typedef struct
 		{
 			USB_Descriptor_Configuration_Header_t Config;
+
+			// Mass Storage Interface
 			USB_Descriptor_Interface_t            MS_Interface;
 			USB_Descriptor_Endpoint_t             MS_DataInEndpoint;
 			USB_Descriptor_Endpoint_t             MS_DataOutEndpoint;

Demos/Device/ClassDriver/MassStorageKeyboard/Descriptors.h

@@ -66,9 +66,13 @@
 		typedef struct
 		{
 			USB_Descriptor_Configuration_Header_t Config;
+
+			// Mass Storage Interface
 			USB_Descriptor_Interface_t            MS_Interface;
 			USB_Descriptor_Endpoint_t             MS_DataInEndpoint;
 			USB_Descriptor_Endpoint_t             MS_DataOutEndpoint;
+
+			// Generic HID Interface
 			USB_Descriptor_Interface_t            HID_KeyboardInterface;
 			USB_HID_Descriptor_HID_t              HID_KeyboardHID;
 	        USB_Descriptor_Endpoint_t             HID_ReportINEndpoint;

Demos/Device/ClassDriver/Mouse/Descriptors.h

@@ -49,6 +49,8 @@
 		typedef struct
 		{
 			USB_Descriptor_Configuration_Header_t Config;
+
+			// Mouse HID Interface
 			USB_Descriptor_Interface_t            HID_Interface;
 			USB_HID_Descriptor_HID_t              HID_MouseHID;
 	        USB_Descriptor_Endpoint_t             HID_ReportINEndpoint;

Demos/Device/ClassDriver/RNDISEthernet/Descriptors.h

@@ -65,11 +65,15 @@
 		typedef struct
 		{
 			USB_Descriptor_Configuration_Header_t Config;
+
+			// RNDIS CDC Control Interface
 			USB_Descriptor_Interface_t            CDC_CCI_Interface;
 			USB_CDC_Descriptor_FunctionalHeader_t CDC_Functional_Header;
 			USB_CDC_Descriptor_FunctionalACM_t    CDC_Functional_ACM;
 			USB_CDC_Descriptor_FunctionalUnion_t  CDC_Functional_Union;
 			USB_Descriptor_Endpoint_t             CDC_NotificationEndpoint;
+
+			// RNDIS CDC Data Interface
 			USB_Descriptor_Interface_t            CDC_DCI_Interface;
 			USB_Descriptor_Endpoint_t             RNDIS_DataOutEndpoint;
 			USB_Descriptor_Endpoint_t             RNDIS_DataInEndpoint;

Demos/Device/ClassDriver/VirtualSerial/Descriptors.h

@@ -65,11 +65,15 @@
 		typedef struct
 		{
 			USB_Descriptor_Configuration_Header_t    Config;
+
+			// CDC Control Interface
 			USB_Descriptor_Interface_t               CDC_CCI_Interface;
 			USB_CDC_Descriptor_FunctionalHeader_t    CDC_Functional_Header;
 			USB_CDC_Descriptor_FunctionalACM_t       CDC_Functional_ACM;
 			USB_CDC_Descriptor_FunctionalUnion_t     CDC_Functional_Union;
 			USB_Descriptor_Endpoint_t                CDC_NotificationEndpoint;
+
+			// CDC Data Interface
 			USB_Descriptor_Interface_t               CDC_DCI_Interface;
 			USB_Descriptor_Endpoint_t                CDC_DataOutEndpoint;
 			USB_Descriptor_Endpoint_t                CDC_DataInEndpoint;

Demos/Device/ClassDriver/VirtualSerialMassStorage/Descriptors.h

@@ -74,15 +74,21 @@
 		typedef struct
 		{
 			USB_Descriptor_Configuration_Header_t    Config;
+
+			// CDC Control Interface
 			USB_Descriptor_Interface_Association_t   CDC_IAD;
 			USB_Descriptor_Interface_t               CDC_CCI_Interface;
 			USB_CDC_Descriptor_FunctionalHeader_t    CDC_Functional_Header;
 			USB_CDC_Descriptor_FunctionalACM_t       CDC_Functional_ACM;
 			USB_CDC_Descriptor_FunctionalUnion_t     CDC_Functional_Union;
 			USB_Descriptor_Endpoint_t                CDC_NotificationEndpoint;
+
+			// CDC Data Interface
 			USB_Descriptor_Interface_t               CDC_DCI_Interface;
 			USB_Descriptor_Endpoint_t                CDC_DataOutEndpoint;
 			USB_Descriptor_Endpoint_t                CDC_DataInEndpoint;
+
+			// Mass Storage Interface
 			USB_Descriptor_Interface_t               MS_Interface;
 			USB_Descriptor_Endpoint_t                MS_DataInEndpoint;
 			USB_Descriptor_Endpoint_t                MS_DataOutEndpoint;

Demos/Device/ClassDriver/VirtualSerialMouse/Descriptors.h

@@ -71,15 +71,21 @@
 		typedef struct
 		{
 			USB_Descriptor_Configuration_Header_t    Config;
+
+			// CDC Control Interface
 			USB_Descriptor_Interface_Association_t   CDC_IAD;
 			USB_Descriptor_Interface_t               CDC_CCI_Interface;
 			USB_CDC_Descriptor_FunctionalHeader_t    CDC_Functional_Header;
 			USB_CDC_Descriptor_FunctionalACM_t       CDC_Functional_ACM;
 			USB_CDC_Descriptor_FunctionalUnion_t     CDC_Functional_Union;
 			USB_Descriptor_Endpoint_t                CDC_NotificationEndpoint;
+
+			// CDC Data Interface
 			USB_Descriptor_Interface_t               CDC_DCI_Interface;
 			USB_Descriptor_Endpoint_t                CDC_DataOutEndpoint;
 			USB_Descriptor_Endpoint_t                CDC_DataInEndpoint;
+
+			// Mouse HID Interface
 			USB_Descriptor_Interface_t               HID_Interface;
 			USB_HID_Descriptor_HID_t                 HID_MouseHID;
 	        USB_Descriptor_Endpoint_t                HID_ReportINEndpoint;

Demos/Device/Incomplete/Sideshow/Descriptors.h

@@ -47,6 +47,8 @@
 		typedef struct
 		{
 			USB_Descriptor_Configuration_Header_t Config;
+			
+			// SideShow Interface
 			USB_Descriptor_Interface_t            SSHOW_Interface;
 			USB_Descriptor_Endpoint_t             SSHOW_DataInEndpoint;
 			USB_Descriptor_Endpoint_t             SSHOW_DataOutEndpoint;

Demos/Device/Incomplete/TestAndMeasurement/Descriptors.c

@@ -99,7 +99,7 @@ const USB_Descriptor_Configuration_t PROGMEM ConfigurationDescriptor =
 			.MaxPowerConsumption    = USB_CONFIG_POWER_MA(100)
 		},
 
-	.Interface =
+	.TM_Interface =
 		{
 			.Header                 = {.Size = sizeof(USB_Descriptor_Interface_t), .Type = DTYPE_Interface},
 
@@ -115,7 +115,7 @@ const USB_Descriptor_Configuration_t PROGMEM ConfigurationDescriptor =
 			.InterfaceStrIndex      = NO_DESCRIPTOR
 		},
 
-	.DataOutEndpoint =
+	.TM_DataOutEndpoint =
 		{
 			.Header                 = {.Size = sizeof(USB_Descriptor_Endpoint_t), .Type = DTYPE_Endpoint},
 
@@ -125,7 +125,7 @@ const USB_Descriptor_Configuration_t PROGMEM ConfigurationDescriptor =
 			.PollingIntervalMS      = 0x01
 		},
 
-	.DataInEndpoint =
+	.TM_DataInEndpoint =
 		{
 			.Header                 = {.Size = sizeof(USB_Descriptor_Endpoint_t), .Type = DTYPE_Endpoint},
 
@@ -135,7 +135,7 @@ const USB_Descriptor_Configuration_t PROGMEM ConfigurationDescriptor =
 			.PollingIntervalMS      = 0x01
 		},
 
-	.NotificationEndpoint =
+	.TM_NotificationEndpoint =
 		{
 			.Header                 = {.Size = sizeof(USB_Descriptor_Endpoint_t), .Type = DTYPE_Endpoint},
 

Demos/Device/Incomplete/TestAndMeasurement/Descriptors.h

@@ -66,10 +66,12 @@
 		typedef struct
 		{
 			USB_Descriptor_Configuration_Header_t Config;
-			USB_Descriptor_Interface_t            Interface;
+			
-			USB_Descriptor_Endpoint_t             DataOutEndpoint;
+			// Test and Measurement Interface
-			USB_Descriptor_Endpoint_t             DataInEndpoint;
+			USB_Descriptor_Interface_t            TM_Interface;
-			USB_Descriptor_Endpoint_t             NotificationEndpoint;
+			USB_Descriptor_Endpoint_t             TM_DataOutEndpoint;
+			USB_Descriptor_Endpoint_t             TM_DataInEndpoint;
+			USB_Descriptor_Endpoint_t             TM_NotificationEndpoint;
 		} USB_Descriptor_Configuration_t;
 
 	/* Function Prototypes: */

Demos/Device/LowLevel/AudioInput/Descriptors.h

@@ -59,10 +59,14 @@
 		typedef struct
 		{
 			USB_Descriptor_Configuration_Header_t     Config;
+
+			// Audio Control Interface
 			USB_Descriptor_Interface_t                Audio_ControlInterface;
 			USB_Audio_Descriptor_Interface_AC_t       Audio_ControlInterface_SPC;
 			USB_Audio_Descriptor_InputTerminal_t      Audio_InputTerminal;
 			USB_Audio_Descriptor_OutputTerminal_t     Audio_OutputTerminal;
+
+			// Audio Streaming Interface
 			USB_Descriptor_Interface_t                Audio_StreamInterface_Alt0;
 			USB_Descriptor_Interface_t                Audio_StreamInterface_Alt1;
 			USB_Audio_Descriptor_Interface_AS_t       Audio_StreamInterface_SPC;

Demos/Device/LowLevel/AudioOutput/Descriptors.h

@@ -59,10 +59,14 @@
 		typedef struct
 		{
 			USB_Descriptor_Configuration_Header_t     Config;
+
+			// Audio Control Interface
 			USB_Descriptor_Interface_t                Audio_ControlInterface;
 			USB_Audio_Descriptor_Interface_AC_t       Audio_ControlInterface_SPC;
 			USB_Audio_Descriptor_InputTerminal_t      Audio_InputTerminal;
 			USB_Audio_Descriptor_OutputTerminal_t     Audio_OutputTerminal;
+
+			// Audio Streaming Interface
 			USB_Descriptor_Interface_t                Audio_StreamInterface_Alt0;
 			USB_Descriptor_Interface_t                Audio_StreamInterface_Alt1;
 			USB_Audio_Descriptor_Interface_AS_t       Audio_StreamInterface_SPC;

Demos/Device/LowLevel/DualVirtualSerial/Descriptors.h

@@ -74,21 +74,29 @@
 		typedef struct
 		{
 			USB_Descriptor_Configuration_Header_t    Config;
+
+			// First CDC Control Interface
 			USB_Descriptor_Interface_Association_t   CDC1_IAD;
 			USB_Descriptor_Interface_t               CDC1_CCI_Interface;
 			USB_CDC_Descriptor_FunctionalHeader_t    CDC1_Functional_Header;
 			USB_CDC_Descriptor_FunctionalACM_t       CDC1_Functional_ACM;
 			USB_CDC_Descriptor_FunctionalUnion_t     CDC1_Functional_Union;
 			USB_Descriptor_Endpoint_t                CDC1_ManagementEndpoint;
+
+			// First CDC Data Interface
 			USB_Descriptor_Interface_t               CDC1_DCI_Interface;
 			USB_Descriptor_Endpoint_t                CDC1_DataOutEndpoint;
 			USB_Descriptor_Endpoint_t                CDC1_DataInEndpoint;
+
+			// Second CDC Control Interface
 			USB_Descriptor_Interface_Association_t   CDC2_IAD;
 			USB_Descriptor_Interface_t               CDC2_CCI_Interface;
 			USB_CDC_Descriptor_FunctionalHeader_t    CDC2_Functional_Header;
 			USB_CDC_Descriptor_FunctionalACM_t       CDC2_Functional_ACM;
 			USB_CDC_Descriptor_FunctionalUnion_t     CDC2_Functional_Union;
 			USB_Descriptor_Endpoint_t                CDC2_ManagementEndpoint;
+
+			// Second CDC Data Interface
 			USB_Descriptor_Interface_t               CDC2_DCI_Interface;
 			USB_Descriptor_Endpoint_t                CDC2_DataOutEndpoint;
 			USB_Descriptor_Endpoint_t                CDC2_DataInEndpoint;

Demos/Device/LowLevel/GenericHID/Descriptors.h

@@ -49,6 +49,8 @@
 		typedef struct
 		{
 			USB_Descriptor_Configuration_Header_t Config;
+
+			// Generic HID Interface
 			USB_Descriptor_Interface_t            HID_Interface;
 			USB_HID_Descriptor_HID_t              HID_GenericHID;
 	        USB_Descriptor_Endpoint_t             HID_ReportINEndpoint;

Demos/Device/LowLevel/Joystick/Descriptors.h

@@ -49,6 +49,8 @@
 		typedef struct
 		{
 			USB_Descriptor_Configuration_Header_t Config;
+
+			// Joystick HID Interface
 			USB_Descriptor_Interface_t            HID_Interface;
 			USB_HID_Descriptor_HID_t              HID_JoystickHID;
 	        USB_Descriptor_Endpoint_t             HID_ReportINEndpoint;

Demos/Device/LowLevel/Keyboard/Descriptors.h

@@ -50,6 +50,8 @@
 		typedef struct
 		{
 			USB_Descriptor_Configuration_Header_t Config;
+
+			// Keyboard HID Interface
 			USB_Descriptor_Interface_t            HID_Interface;
 			USB_HID_Descriptor_HID_t              HID_KeyboardHID;
 	        USB_Descriptor_Endpoint_t             HID_ReportINEndpoint;

Demos/Device/LowLevel/KeyboardMouse/Descriptors.h

@@ -50,13 +50,16 @@
 		typedef struct
 		{
 			USB_Descriptor_Configuration_Header_t Config;
+
+			// Keyboard HID Interface
 			USB_Descriptor_Interface_t            HID1_KeyboardInterface;
 			USB_HID_Descriptor_HID_t              HID1_KeyboardHID;
-	        USB_Descriptor_Endpoint_t             HID1_ReportINEndpoint;
+			USB_Descriptor_Endpoint_t             HID1_ReportINEndpoint;
-	        USB_Descriptor_Endpoint_t             HID1_ReportOUTEndpoint;
+
+			// Mouse HID Interface
 			USB_Descriptor_Interface_t            HID2_MouseInterface;
 			USB_HID_Descriptor_HID_t              HID2_MouseHID;
-	        USB_Descriptor_Endpoint_t             HID2_ReportINEndpoint;
+			USB_Descriptor_Endpoint_t             HID2_ReportINEndpoint;
 		} USB_Descriptor_Configuration_t;
 
 	/* Macros: */

Demos/Device/LowLevel/MIDI/Descriptors.h

@@ -59,8 +59,12 @@
 		typedef struct
 		{
 			USB_Descriptor_Configuration_Header_t     Config;
+
+			// MIDI Audio Control Interface
 			USB_Descriptor_Interface_t                Audio_ControlInterface;
 			USB_Audio_Descriptor_Interface_AC_t       Audio_ControlInterface_SPC;
+
+			// MIDI Audio Streaming Interface
 			USB_Descriptor_Interface_t                Audio_StreamInterface;
 			USB_MIDI_Descriptor_AudioInterface_AS_t   Audio_StreamInterface_SPC;
 			USB_MIDI_Descriptor_InputJack_t           MIDI_In_Jack_Emb;

Demos/Device/LowLevel/MassStorage/Descriptors.h

@@ -59,6 +59,8 @@
 		typedef struct
 		{
 			USB_Descriptor_Configuration_Header_t Config;
+			
+			// Mass Storage Interface
 			USB_Descriptor_Interface_t            MS_Interface;
 			USB_Descriptor_Endpoint_t             MS_DataInEndpoint;
 			USB_Descriptor_Endpoint_t             MS_DataOutEndpoint;

Demos/Device/LowLevel/Mouse/Descriptors.h

@@ -49,6 +49,8 @@
 		typedef struct
 		{
 			USB_Descriptor_Configuration_Header_t Config;
+			
+			// Mouse HID Interface
 			USB_Descriptor_Interface_t            HID_Interface;
 			USB_HID_Descriptor_HID_t              HID_MouseHID;
 	        USB_Descriptor_Endpoint_t             HID_ReportINEndpoint;

Demos/Device/LowLevel/RNDISEthernet/Descriptors.h

@@ -64,15 +64,19 @@
 		 */
 		typedef struct
 		{
-			USB_Descriptor_Configuration_Header_t    Config;
+			USB_Descriptor_Configuration_Header_t Config;
-			USB_Descriptor_Interface_t               CDC_CCI_Interface;
+
-			USB_CDC_Descriptor_FunctionalHeader_t    CDC_Functional_Header;
+			// RNDIS CDC Control Interface
-			USB_CDC_Descriptor_FunctionalACM_t       CDC_Functional_ACM;
+			USB_Descriptor_Interface_t            CDC_CCI_Interface;
-			USB_CDC_Descriptor_FunctionalUnion_t     CDC_Functional_Union;
+			USB_CDC_Descriptor_FunctionalHeader_t CDC_Functional_Header;
-			USB_Descriptor_Endpoint_t                CDC_NotificationEndpoint;
+			USB_CDC_Descriptor_FunctionalACM_t    CDC_Functional_ACM;
-			USB_Descriptor_Interface_t               CDC_DCI_Interface;
+			USB_CDC_Descriptor_FunctionalUnion_t  CDC_Functional_Union;
-			USB_Descriptor_Endpoint_t                RNDIS_DataOutEndpoint;
+			USB_Descriptor_Endpoint_t             CDC_NotificationEndpoint;
-			USB_Descriptor_Endpoint_t                RNDIS_DataInEndpoint;
+
+			// RNDIS CDC Data Interface
+			USB_Descriptor_Interface_t            CDC_DCI_Interface;
+			USB_Descriptor_Endpoint_t             RNDIS_DataOutEndpoint;
+			USB_Descriptor_Endpoint_t             RNDIS_DataInEndpoint;
 		} USB_Descriptor_Configuration_t;
 
 	/* Function Prototypes: */

Demos/Device/LowLevel/VirtualSerial/Descriptors.h

@@ -65,11 +65,15 @@
 		typedef struct
 		{
 			USB_Descriptor_Configuration_Header_t    Config;
+
+			// CDC Control Interface
 			USB_Descriptor_Interface_t               CDC_CCI_Interface;
 			USB_CDC_Descriptor_FunctionalHeader_t    CDC_Functional_Header;
 			USB_CDC_Descriptor_FunctionalACM_t       CDC_Functional_ACM;
 			USB_CDC_Descriptor_FunctionalUnion_t     CDC_Functional_Union;
 			USB_Descriptor_Endpoint_t                CDC_NotificationEndpoint;
+
+			// CDC Data Interface
 			USB_Descriptor_Interface_t               CDC_DCI_Interface;
 			USB_Descriptor_Endpoint_t                CDC_DataOutEndpoint;
 			USB_Descriptor_Endpoint_t                CDC_DataInEndpoint;

Demos/DualRole/ClassDriver/MouseHostDevice/Descriptors.h

@@ -49,6 +49,8 @@
 		typedef struct
 		{
 			USB_Descriptor_Configuration_Header_t Config;
+			
+			// Mouse HID Interface
 			USB_Descriptor_Interface_t            HID_Interface;
 			USB_HID_Descriptor_HID_t              HID_MouseHID;
 	        USB_Descriptor_Endpoint_t             HID_ReportINEndpoint;

LUFA/ManPages/LUFAPoweredProjects.txt

@@ -80,6 +80,7 @@
  *  - Programmable XBOX controller: http://richard-burke.dyndns.org/wordpress/pan-galactic-gargantuan-gargle-brain-aka-xbox-360-usb-controller/
  *  - Reprap with LUFA, a LUFA powered 3D printer: http://code.google.com/p/at90usb1287-code-for-arduino-and-eclipse/
  *  - SD Card reader: http://elasticsheep.com/2010/04/teensy2-usb-mass-storage-with-an-sd-card/
+ *  - SDR1, a Software Defined Radio firmware: https://code.google.com/p/sdr-mk1/
  *  - SEGA Megadrive/Genesis Development Cartridge: http://www.makestuff.eu/wordpress/?page_id=398
  *  - Serial Line bus analyser: http://www.pjrc.com/teensy/projects/SerialAnalyzer.html
  *  - SmartportVHD Apple II Mass Storage adapter: http://pcedric3.free.fr/SmartportVHD/
@@ -108,6 +109,7 @@
  *  - Penguino, an Arduino Board With On-Board LUFA Powered Debugger/Programmer: http://wiki.icy.com.au/PenguinoAVR
  *  - PIR-1, an IR control interface for consumer electronics: http://www.promixis.com/pir-1.php
  *  - PIR-4, a USB Connected 4 port IR transmitter: http://promixis.com/pir-4.php
+ *  - KeyGlove, an alternative input system: http://www.keyglove.net/
  *  - Many of Busware's Products: http://www.busware.de/
  *  - MIDIFighter, a USB-MIDI controller: http://www.midifighter.com/
  *  - Retrode, a USB Games Console Cartridge Reader: http://www.retrode.org

Projects/AVRISP-MKII/Descriptors.h

@@ -67,6 +67,8 @@
 		typedef struct
 		{
 			USB_Descriptor_Configuration_Header_t    Config;
+			
+			// Atmel AVRISP-MKII Interface
 			USB_Descriptor_Interface_t               AVRISP_Interface;
 			USB_Descriptor_Endpoint_t                AVRISP_DataInEndpoint;
 			USB_Descriptor_Endpoint_t                AVRISP_DataOutEndpoint;

Projects/Benito/Descriptors.h

@@ -65,11 +65,15 @@
 		typedef struct
 		{
 			USB_Descriptor_Configuration_Header_t    Config;
+
+			// CDC Command Interface
 			USB_Descriptor_Interface_t               CDC_CCI_Interface;
 			USB_CDC_Descriptor_FunctionalHeader_t    CDC_Functional_Header;
 			USB_CDC_Descriptor_FunctionalACM_t       CDC_Functional_ACM;
 			USB_CDC_Descriptor_FunctionalUnion_t     CDC_Functional_Union;
 			USB_Descriptor_Endpoint_t                CDC_NotificationEndpoint;
+
+			// CDC Data Interface
 			USB_Descriptor_Interface_t               CDC_DCI_Interface;
 			USB_Descriptor_Endpoint_t                CDC_DataOutEndpoint;
 			USB_Descriptor_Endpoint_t                CDC_DataInEndpoint;

Projects/Incomplete/StandaloneProgrammer/Descriptors.h

@@ -74,6 +74,8 @@
 		typedef struct
 		{
 			USB_Descriptor_Configuration_Header_t    Config;
+			
+			// Mass Storage Interface
 			USB_Descriptor_Interface_t               MS_Interface;
 			USB_Descriptor_Endpoint_t                MS_DataInEndpoint;
 			USB_Descriptor_Endpoint_t                MS_DataOutEndpoint;

Projects/LEDNotifier/Descriptors.h

@@ -65,11 +65,15 @@
 		typedef struct
 		{
 			USB_Descriptor_Configuration_Header_t    Config;
+			
+			// CDC Command Interface
 			USB_Descriptor_Interface_t               CDC_CCI_Interface;
 			USB_CDC_Descriptor_FunctionalHeader_t    CDC_Functional_Header;
 			USB_CDC_Descriptor_FunctionalACM_t       CDC_Functional_ACM;
 			USB_CDC_Descriptor_FunctionalUnion_t     CDC_Functional_Union;
 			USB_Descriptor_Endpoint_t                CDC_NotificationEndpoint;
+			
+			// CDC Data Interface
 			USB_Descriptor_Interface_t               CDC_DCI_Interface;
 			USB_Descriptor_Endpoint_t                CDC_DataOutEndpoint;
 			USB_Descriptor_Endpoint_t                CDC_DataInEndpoint;

Projects/MIDIToneGenerator/Descriptors.h

@@ -59,8 +59,12 @@
 		typedef struct
 		{
 			USB_Descriptor_Configuration_Header_t     Config;
+
+			// MIDI Audio Control Interface
 			USB_Descriptor_Interface_t                Audio_ControlInterface;
 			USB_Audio_Descriptor_Interface_AC_t       Audio_ControlInterface_SPC;
+
+			// MIDI Audio Streaming Interface
 			USB_Descriptor_Interface_t                Audio_StreamInterface;
 			USB_MIDI_Descriptor_AudioInterface_AS_t   Audio_StreamInterface_SPC;
 			USB_MIDI_Descriptor_InputJack_t           MIDI_In_Jack_Emb;

Projects/Magstripe/Descriptors.h

@@ -50,6 +50,8 @@
 		typedef struct
 		{
 			USB_Descriptor_Configuration_Header_t Config; /**< Configuration descriptor header structure */
+			
+			// Keyboard HID Interface
 			USB_Descriptor_Interface_t            HID_Interface; /**< Keyboard interface descriptor */
 			USB_HID_Descriptor_HID_t              HID_KeyboardHID; /**< Keyboard HID descriptor */
 	        USB_Descriptor_Endpoint_t             HID_ReportINEndpoint; /**< Keyboard key report endpoint descriptor */

Projects/MediaController/Descriptors.h

@@ -49,6 +49,8 @@
 		typedef struct
 		{
 			USB_Descriptor_Configuration_Header_t Config;
+			
+			// Media Controller HID Interface
 			USB_Descriptor_Interface_t            HID_Interface;
 			USB_HID_Descriptor_HID_t              HID_MediaControlHID;
 	        USB_Descriptor_Endpoint_t             HID_ReportINEndpoint;

Projects/RelayBoard/Descriptors.h

@@ -49,6 +49,8 @@
 		typedef struct
 		{
 			USB_Descriptor_Configuration_Header_t Config;
+			
+			// Relay Board Interface
 			USB_Descriptor_Interface_t            RelayBoardInterface;
 		} USB_Descriptor_Configuration_t;
 

Projects/TempDataLogger/Descriptors.h

@@ -43,9 +43,13 @@
 		typedef struct
 		{
 			USB_Descriptor_Configuration_Header_t Config;
+			
+			// Mass Storage Interface
 			USB_Descriptor_Interface_t            MS_Interface;
 			USB_Descriptor_Endpoint_t             MS_DataInEndpoint;
 			USB_Descriptor_Endpoint_t             MS_DataOutEndpoint;
+			
+			// Settings Management Generic HID Interface
 			USB_Descriptor_Interface_t            HID_Interface;
 			USB_HID_Descriptor_HID_t              HID_GenericHID;
 			USB_Descriptor_Endpoint_t             HID_ReportINEndpoint;

Projects/USBtoSerial/Descriptors.h

@@ -65,11 +65,15 @@
 		typedef struct
 		{
 			USB_Descriptor_Configuration_Header_t    Config;
+			
+			// CDC Command Interface
 			USB_Descriptor_Interface_t               CDC_CCI_Interface;
 			USB_CDC_Descriptor_FunctionalHeader_t    CDC_Functional_Header;
 			USB_CDC_Descriptor_FunctionalACM_t       CDC_Functional_ACM;
 			USB_CDC_Descriptor_FunctionalUnion_t     CDC_Functional_Union;
 			USB_Descriptor_Endpoint_t                CDC_NotificationEndpoint;
+			
+			// CDC Data Interface
 			USB_Descriptor_Interface_t               CDC_DCI_Interface;
 			USB_Descriptor_Endpoint_t                CDC_DataOutEndpoint;
 			USB_Descriptor_Endpoint_t                CDC_DataInEndpoint;

Projects/Webserver/Descriptors.h

@@ -74,15 +74,21 @@
 		typedef struct
 		{
 			USB_Descriptor_Configuration_Header_t  Config;
+			
+			// RNDIS CDC Command Interface
 			USB_Descriptor_Interface_Association_t CDC_IAD;
 			USB_Descriptor_Interface_t             CDC_CCI_Interface;
 			USB_CDC_Descriptor_FunctionalHeader_t  CDC_Functional_Header;
 			USB_CDC_Descriptor_FunctionalACM_t     CDC_Functional_ACM;
 			USB_CDC_Descriptor_FunctionalUnion_t   CDC_Functional_Union;
 			USB_Descriptor_Endpoint_t              CDC_NotificationEndpoint;
+			
+			// RNDIS CDC Data Interface
 			USB_Descriptor_Interface_t             CDC_DCI_Interface;
 			USB_Descriptor_Endpoint_t              RNDIS_DataOutEndpoint;
 			USB_Descriptor_Endpoint_t              RNDIS_DataInEndpoint;
+			
+			// Mass Storage Interface
 			USB_Descriptor_Interface_t             MS_Interface;
 			USB_Descriptor_Endpoint_t              MS_DataInEndpoint;
 			USB_Descriptor_Endpoint_t              MS_DataOutEndpoint;

Projects/XPLAINBridge/AVRISPDescriptors.h

@@ -67,6 +67,8 @@
 		typedef struct
 		{
 			USB_Descriptor_Configuration_Header_t    Config;
+			
+			// Atmel AVRISP-MKII Interface
 			USB_Descriptor_Interface_t               AVRISP_Interface;
 			USB_Descriptor_Endpoint_t                AVRISP_DataInEndpoint;
 			USB_Descriptor_Endpoint_t                AVRISP_DataOutEndpoint;

Projects/XPLAINBridge/USARTDescriptors.h

@@ -65,11 +65,15 @@
 		typedef struct
 		{
 			USB_Descriptor_Configuration_Header_t    Config;
+			
+			// CDC Control Interface
 			USB_Descriptor_Interface_t               CDC_CCI_Interface;
 			USB_CDC_Descriptor_FunctionalHeader_t    CDC_Functional_Header;
 			USB_CDC_Descriptor_FunctionalACM_t       CDC_Functional_ACM;
 			USB_CDC_Descriptor_FunctionalUnion_t     CDC_Functional_Union;
 			USB_Descriptor_Endpoint_t                CDC_NotificationEndpoint;
+			
+			// CDC Data Interface
 			USB_Descriptor_Interface_t               CDC_DCI_Interface;
 			USB_Descriptor_Endpoint_t                CDC_DataOutEndpoint;
 			USB_Descriptor_Endpoint_t                CDC_DataInEndpoint;