All USB class drivers are now automatically included when LUFA/Drivers/USB.h is included, and no longer need to be seperately included.
All LowLevel demos changed to use the constants and types defined in the USB class drivers.
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					 208 changed files with 589 additions and 2910 deletions
				
			
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			@ -104,29 +104,29 @@ USB_Descriptor_Configuration_t PROGMEM ConfigurationDescriptor =
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	.Audio_ControlInterface_SPC =
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		{
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			.Header                   = {.Size = sizeof(USB_Audio_Interface_AC_t), .Type = DTYPE_CSInterface},
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			.Subtype                  = DSUBTYPE_AudioHeader,
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			.Header                   = {.Size = sizeof(USB_Audio_Descriptor_Interface_AC_t), .Type = DTYPE_CSInterface},
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			.Subtype                  = AUDIO_DSUBTYPE_CSInterface_Header,
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			.ACSpecification          = VERSION_BCD(01.00),
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			.TotalLength              = (sizeof(USB_Audio_Interface_AC_t) +
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			                             sizeof(USB_Audio_InputTerminal_t) +
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			                             sizeof(USB_Audio_OutputTerminal_t)),
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			.TotalLength              = (sizeof(USB_Audio_Descriptor_Interface_AC_t) +
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			                             sizeof(USB_Audio_Descriptor_InputTerminal_t) +
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			                             sizeof(USB_Audio_Descriptor_OutputTerminal_t)),
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			.InCollection             = 1,
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			.InterfaceNumbers         = {1},
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			.InterfaceNumber          = 1,
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		},
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	.Audio_InputTerminal =
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		{
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			.Header                   = {.Size = sizeof(USB_Audio_InputTerminal_t), .Type = DTYPE_CSInterface},
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			.Subtype                  = DSUBTYPE_InputTerminal,
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			.Header                   = {.Size = sizeof(USB_Audio_Descriptor_InputTerminal_t), .Type = DTYPE_CSInterface},
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			.Subtype                  = AUDIO_DSUBTYPE_CSInterface_InputTerminal,
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			.TerminalID               = 0x01,
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			.TerminalType             = TERMINAL_STREAMING,
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			.TerminalType             = AUDIO_TERMINAL_STREAMING,
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			.AssociatedOutputTerminal = 0x00,
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			.TotalChannels            = 2,
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			.ChannelConfig            = (CHANNEL_LEFT_FRONT | CHANNEL_RIGHT_FRONT),
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			.ChannelConfig            = (AUDIO_CHANNEL_LEFT_FRONT | AUDIO_CHANNEL_RIGHT_FRONT),
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			.ChannelStrIndex          = NO_DESCRIPTOR,
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			.TerminalStrIndex         = NO_DESCRIPTOR
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			@ -134,11 +134,11 @@ USB_Descriptor_Configuration_t PROGMEM ConfigurationDescriptor =
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	.Audio_OutputTerminal =
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		{
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			.Header                   = {.Size = sizeof(USB_Audio_OutputTerminal_t), .Type = DTYPE_CSInterface},
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			.Subtype                  = DSUBTYPE_OutputTerminal,
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			.Header                   = {.Size = sizeof(USB_Audio_Descriptor_OutputTerminal_t), .Type = DTYPE_CSInterface},
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			.Subtype                  = AUDIO_DSUBTYPE_CSInterface_OutputTerminal,
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			.TerminalID               = 0x02,
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			.TerminalType             = TERMINAL_OUT_SPEAKER,
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			.TerminalType             = AUDIO_TERMINAL_OUT_SPEAKER,
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			.AssociatedInputTerminal  = 0x00,
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			.SourceID                 = 0x01,
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			@ -180,8 +180,8 @@ USB_Descriptor_Configuration_t PROGMEM ConfigurationDescriptor =
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	.Audio_StreamInterface_SPC =
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		{
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			.Header                   = {.Size = sizeof(USB_Audio_Interface_AS_t), .Type = DTYPE_CSInterface},
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			.Subtype                  = DSUBTYPE_General,
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			.Header                   = {.Size = sizeof(USB_Audio_Descriptor_Interface_AS_t), .Type = DTYPE_CSInterface},
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			.Subtype                  = AUDIO_DSUBTYPE_CSInterface_General,
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			.TerminalLink             = 0x01,
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			@ -191,8 +191,8 @@ USB_Descriptor_Configuration_t PROGMEM ConfigurationDescriptor =
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	.Audio_AudioFormat =
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		{
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			.Header                   = {.Size = sizeof(USB_Audio_Format_t), .Type = DTYPE_CSInterface},
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			.Subtype                  = DSUBTYPE_Format,
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			.Header                   = {.Size = sizeof(USB_Audio_Descriptor_Format_t), .Type = DTYPE_CSInterface},
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			.Subtype                  = AUDIO_DSUBTYPE_CSInterface_FormatType,
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			.FormatType               = 0x01,
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			.Channels                 = 0x02,
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			@ -200,16 +200,15 @@ USB_Descriptor_Configuration_t PROGMEM ConfigurationDescriptor =
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			.SubFrameSize             = 0x02,
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			.BitResolution            = 16,
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			.SampleFrequencyType      = (sizeof(ConfigurationDescriptor.Audio_AudioFormat.SampleFrequencies) /
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			                             sizeof(Audio_SampleFreq_t)),
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			.SampleFrequencies        = {SAMPLE_FREQ(AUDIO_SAMPLE_FREQUENCY)}
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			.SampleFrequencyType      = AUDIO_TOTAL_SAMPLE_RATES,
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			.SampleFrequencies        = {AUDIO_SAMPLE_FREQ(AUDIO_SAMPLE_FREQUENCY)}
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		},
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	.Audio_StreamEndpoint =
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		{
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			.Endpoint =
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				{
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					.Header              = {.Size = sizeof(USB_Audio_StreamEndpoint_Std_t), .Type = DTYPE_Endpoint},
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					.Header              = {.Size = sizeof(USB_Audio_Descriptor_StreamEndpoint_Std_t), .Type = DTYPE_Endpoint},
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					.EndpointAddress     = (ENDPOINT_DESCRIPTOR_DIR_OUT | AUDIO_STREAM_EPNUM),
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					.Attributes          = (EP_TYPE_ISOCHRONOUS | ENDPOINT_ATTR_SYNC | ENDPOINT_USAGE_DATA),
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			@ -223,10 +222,10 @@ USB_Descriptor_Configuration_t PROGMEM ConfigurationDescriptor =
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	.Audio_StreamEndpoint_SPC =
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		{
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			.Header                   = {.Size = sizeof(USB_Audio_StreamEndpoint_Spc_t), .Type = DTYPE_CSEndpoint},
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			.Subtype                  = DSUBTYPE_General,
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			.Header                   = {.Size = sizeof(USB_Audio_Descriptor_StreamEndpoint_Spc_t), .Type = DTYPE_CSEndpoint},
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			.Subtype                  = AUDIO_DSUBTYPE_CSEndpoint_General,
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			.Attributes               = EP_ACCEPTS_SMALL_PACKETS,
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			.Attributes               = AUDIO_EP_ACCEPTS_SMALL_PACKETS,
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			.LockDelayUnits           = 0x00,
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			.LockDelay                = 0x0000
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			@ -42,95 +42,6 @@
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		#include <avr/pgmspace.h>
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	/* Macros: */
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		/** Audio class descriptor subtype value for a Audio class specific header descriptor. */
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		#define DSUBTYPE_AudioHeader         0x01
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		/** Audio class descriptor subtype value for an Output Terminal Audio class specific descriptor. */
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		#define DSUBTYPE_InputTerminal       0x02
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		/** Audio class descriptor subtype value for an Input Terminal Audio class specific descriptor. */
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		#define DSUBTYPE_OutputTerminal      0x03
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		/** Audio class descriptor subtype value for a Feature Unit Audio class specific descriptor. */
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		#define DSUBTYPE_FeatureUnit         0x06
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		/** Audio class descriptor subtype value for a general Audio class specific descriptor. */
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		#define DSUBTYPE_General             0x01
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		/** Audio class descriptor subtype value for an Audio class specific descriptor indicating the format of an audio stream. */
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		#define DSUBTYPE_Format              0x02
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		//@{
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		/** Supported channel mask for an Audio class terminal descriptor. See the Audio class specification for more details. */
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		#define CHANNEL_LEFT_FRONT           (1 << 0)
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		#define CHANNEL_RIGHT_FRONT          (1 << 1)
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		#define CHANNEL_CENTER_FRONT         (1 << 2)
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		#define CHANNEL_LOW_FREQ_ENHANCE     (1 << 3)
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		#define CHANNEL_LEFT_SURROUND        (1 << 4)
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		#define CHANNEL_RIGHT_SURROUND       (1 << 5)
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		#define CHANNEL_LEFT_OF_CENTER       (1 << 6)
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		#define CHANNEL_RIGHT_OF_CENTER      (1 << 7)
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		#define CHANNEL_SURROUND             (1 << 8)
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		#define CHANNEL_SIDE_LEFT            (1 << 9)
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		#define CHANNEL_SIDE_RIGHT           (1 << 10)
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		#define CHANNEL_TOP                  (1 << 11)
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		//@}
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		//@{
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		/** Supported feature mask for an Audio class feature unit descriptor. See the Audio class specification for more details. */
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		#define FEATURE_MUTE                 (1 << 0)
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		#define FEATURE_VOLUME               (1 << 1)
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		#define FEATURE_BASS                 (1 << 2)
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		#define FEATURE_MID                  (1 << 3)
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		#define FEATURE_TREBLE               (1 << 4)
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		#define FEATURE_GRAPHIC_EQUALIZER    (1 << 5)
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		#define FEATURE_AUTOMATIC_GAIN       (1 << 6)
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		#define FEATURE_DELAY                (1 << 7)
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		#define FEATURE_BASS_BOOST           (1 << 8)
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		#define FEATURE_BASS_LOUDNESS        (1 << 9)
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		//@}
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		//@{
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		/** Terminal type constant for an Audio class terminal descriptor. See the Audio class specification for more details. */
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		#define TERMINAL_UNDEFINED           0x0100
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		#define TERMINAL_STREAMING           0x0101
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		#define TERMINAL_VENDOR              0x01FF
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		#define TERMINAL_IN_UNDEFINED        0x0200
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		#define TERMINAL_IN_MIC              0x0201
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		#define TERMINAL_IN_DESKTOP_MIC      0x0202
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		#define TERMINAL_IN_PERSONAL_MIC     0x0203
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		#define TERMINAL_IN_OMNIDIR_MIC      0x0204
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		#define TERMINAL_IN_MIC_ARRAY        0x0205
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		#define TERMINAL_IN_PROCESSING_MIC   0x0206
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		#define TERMINAL_IN_OUT_UNDEFINED    0x0300
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		#define TERMINAL_OUT_SPEAKER         0x0301
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		#define TERMINAL_OUT_HEADPHONES      0x0302
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		#define TERMINAL_OUT_HEAD_MOUNTED    0x0303
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		#define TERMINAL_OUT_DESKTOP         0x0304
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		#define TERMINAL_OUT_ROOM            0x0305
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		#define TERMINAL_OUT_COMMUNICATION   0x0306
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		#define TERMINAL_OUT_LOWFREQ         0x0307
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		//@}
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		/** Convenience macro, to fill a 24-bit AudioSampleFreq_t structure with the given sample rate as a 24-bit number.
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		 *
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		 *  \param[in] freq  Required audio sampling frequency in HZ
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		 */
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		#define SAMPLE_FREQ(freq)  {LowWord: ((uint32_t)(freq) & 0x00FFFF), HighByte: (((uint32_t)(freq) >> 16) & 0x0000FF)}
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		/** Mask for the attributes parameter of an Audio class specific Endpoint descriptor, indicating that the endpoint
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		 *  accepts only filled endpoint packets of audio samples.
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		 */
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		#define EP_ACCEPTS_ONLY_FULL_PACKETS (1 << 7)
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		/** Mask for the attributes parameter of an Audio class specific Endpoint descriptor, indicating that the endpoint
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		 *  will accept partially filled endpoint packets of audio samples.
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		 */
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		#define EP_ACCEPTS_SMALL_PACKETS     (0 << 7)
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		/** Endpoint number of the Audio isochronous streaming data endpoint. */
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		#define AUDIO_STREAM_EPNUM           1
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			@ -144,165 +55,23 @@
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		#define AUDIO_SAMPLE_FREQUENCY       48000
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	/* Type Defines: */
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		/** Type define for an Audio class specific interface descriptor. This follows a regular interface descriptor to
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		 *  supply extra information about the audio device's layout to the host. See the USB Audio specification for more
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		 *  details.
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		 */
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		typedef struct
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		{
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			USB_Descriptor_Header_t   Header; /**< Regular descriptor header containing the descriptor's type and length */
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			uint8_t                   Subtype; /**< Sub type value used to distinguish between audio class specific descriptors */
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			uint16_t                  ACSpecification; /**< Binary coded decimal value, indicating the supported Audio Class specification version */
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			uint16_t                  TotalLength; /**< Total length of the Audio class specific descriptors, including this descriptor */
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			uint8_t                   InCollection; /**< Total number of audio class interfaces within this device */
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			uint8_t                   InterfaceNumbers[1]; /**< Interface numbers of each audio interface */
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		} USB_Audio_Interface_AC_t;
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		/** Type define for an Audio class specific Feature Unit descriptor. This indicates to the host what features
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		 *  are present in the device's audio stream for basic control, such as per-channel volume. See the USB Audio
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		 *  specification for more details.
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		 */
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		typedef struct
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		{
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			USB_Descriptor_Header_t   Header; /**< Regular descriptor header containing the descriptor's type and length */
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			uint8_t                   Subtype; /**< Sub type value used to distinguish between audio class specific descriptors */
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			uint8_t                   UnitID; /**< ID value of this feature unit - must be a unique value within the device */
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			uint8_t                   SourceID; /**< Source ID value of the audio source input into this feature unit */
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			uint8_t                   ControlSize; /**< Size of each element in the ChanelControlls array */
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			uint8_t                   ChannelControls[3]; /**< Feature masks for the control channel, and each separate audio channel */
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			uint8_t                   FeatureUnitStrIndex; /**< Index of a string descriptor describing this descriptor within the device */
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		} USB_Audio_FeatureUnit_t;
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		/** Type define for an Audio class specific input terminal descriptor. This indicates to the host that the device
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		 *  contains an input audio source, either from a physical terminal on the device, or a logical terminal (for example,
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		 *  a USB endpoint). See the USB Audio specification for more details.
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		 */
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		typedef struct
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		{
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			USB_Descriptor_Header_t   Header; /**< Regular descriptor header containing the descriptor's type and length */
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			uint8_t                   Subtype; /**< Sub type value used to distinguish between audio class specific descriptors */
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			uint8_t                   TerminalID; /**< ID value of this terminal unit - must be a unique value within the device */
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			uint16_t                  TerminalType; /**< Type of terminal, a TERMINAL_* mask */
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			uint8_t                   AssociatedOutputTerminal; /**< ID of associated output terminal, for physically grouped terminals
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			                                                     *   such as the speaker and microphone of a phone handset
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			                                                     */
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			uint8_t                   TotalChannels; /**< Total number of separate audio channels within this interface (right, left, etc.) */
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			uint16_t                  ChannelConfig; /**< CHANNEL_* masks indicating what channel layout is supported by this terminal */
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			uint8_t                   ChannelStrIndex; /**< Index of a string descriptor describing this channel within the device */
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			uint8_t                   TerminalStrIndex; /**< Index of a string descriptor describing this descriptor within the device */
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		} USB_Audio_InputTerminal_t;
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		/** Type define for an Audio class specific output terminal descriptor. This indicates to the host that the device
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		 *  contains an output audio sink, either to a physical terminal on the device, or a logical terminal (for example,
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		 *  a USB endpoint). See the USB Audio specification for more details.
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		 */
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		typedef struct
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		{
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			USB_Descriptor_Header_t   Header; /**< Regular descriptor header containing the descriptor's type and length */
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			uint8_t                   Subtype; /**< Sub type value used to distinguish between audio class specific descriptors */
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			uint8_t                   TerminalID; /**< ID value of this terminal unit - must be a unique value within the device */
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			uint16_t                  TerminalType; /**< Type of terminal, a TERMINAL_* mask */
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			uint8_t                   AssociatedInputTerminal; /**< ID of associated input terminal, for physically grouped terminals
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			                                                    *   such as the speaker and microphone of a phone handset
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			                                                    */
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			uint8_t                   SourceID; /**< ID value of the unit this terminal's audio is sourced from */
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			uint8_t                   TerminalStrIndex; /**< Index of a string descriptor describing this descriptor within the device */
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		} USB_Audio_OutputTerminal_t;
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		/** Type define for an Audio class specific streaming interface descriptor. This indicates to the host
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		 *  how audio streams within the device are formatted. See the USB Audio specification for more details.
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		 */
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		typedef struct
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		{
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			USB_Descriptor_Header_t   Header; /**< Regular descriptor header containing the descriptor's type and length */
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		||||
			uint8_t                   Subtype; /**< Sub type value used to distinguish between audio class specific descriptors */
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			uint8_t                   TerminalLink; /**< ID value of the output terminal this descriptor is describing */
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			uint8_t                   FrameDelay; /**< Delay in frames resulting from the complete sample processing from input to output */
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			uint16_t                  AudioFormat; /**< Format of the audio stream, see Audio Device Formats specification */
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		} USB_Audio_Interface_AS_t;
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 | 
			
		||||
		/** Type define for a 24bit audio sample frequency structure. GCC does not contain a built in 24bit datatype,
 | 
			
		||||
		 *  this this structure is used to build up the value instead. Fill this structure with the SAMPLE_FREQ() macro.
 | 
			
		||||
		 */
 | 
			
		||||
		typedef struct
 | 
			
		||||
		{
 | 
			
		||||
			uint16_t                  LowWord; /**< Low 16 bits of the 24-bit value */
 | 
			
		||||
			uint8_t                   HighByte; /**< Upper 8 bits of the 24-bit value */
 | 
			
		||||
		} Audio_SampleFreq_t;
 | 
			
		||||
 | 
			
		||||
		/** Type define for an Audio class specific audio format descriptor. This is used to give the host full details
 | 
			
		||||
		 *  about the number of channels, the sample resolution, acceptable sample frequencies and encoding method used
 | 
			
		||||
		 *  in the device's audio streams. See the USB Audio specification for more details.
 | 
			
		||||
		 */
 | 
			
		||||
		typedef struct
 | 
			
		||||
		{
 | 
			
		||||
			USB_Descriptor_Header_t   Header; /**< Regular descriptor header containing the descriptor's type and length */
 | 
			
		||||
			uint8_t                   Subtype; /**< Sub type value used to distinguish between audio class specific descriptors */
 | 
			
		||||
 | 
			
		||||
			uint8_t                   FormatType; /**< Format of the audio stream, see Audio Device Formats specification */
 | 
			
		||||
			uint8_t                   Channels; /**< Total number of discrete channels in the stream */
 | 
			
		||||
 | 
			
		||||
			uint8_t                   SubFrameSize; /**< Size in bytes of each channel's sample data in the stream */
 | 
			
		||||
			uint8_t                   BitResolution; /**< Bits of resolution of each channel's samples in the stream */
 | 
			
		||||
 | 
			
		||||
			uint8_t                   SampleFrequencyType; /**< Total number of sample frequencies supported by the device */
 | 
			
		||||
			Audio_SampleFreq_t        SampleFrequencies[1]; /**< Sample frequencies supported by the device */
 | 
			
		||||
		} USB_Audio_Format_t;
 | 
			
		||||
 | 
			
		||||
		/** Type define for an Audio class specific endpoint descriptor. This contains a regular endpoint
 | 
			
		||||
		 *  descriptor with a few Audio-class specific extensions. See the USB Audio specification for more details.
 | 
			
		||||
		 */
 | 
			
		||||
		typedef struct
 | 
			
		||||
		{
 | 
			
		||||
			USB_Descriptor_Endpoint_t Endpoint; /**< Standard endpoint descriptor describing the audio endpoint */
 | 
			
		||||
 | 
			
		||||
			uint8_t                   Refresh; /**< Always set to zero */
 | 
			
		||||
			uint8_t                   SyncEndpointNumber; /**< Endpoint address to send synchronization information to, if needed (zero otherwise) */
 | 
			
		||||
		} USB_Audio_StreamEndpoint_Std_t;
 | 
			
		||||
 | 
			
		||||
		/** Type define for an Audio class specific extended endpoint descriptor. This contains extra information
 | 
			
		||||
		 *  on the usage of endpoints used to stream audio in and out of the USB Audio device, and follows an Audio
 | 
			
		||||
		 *  class specific extended endpoint descriptor. See the USB Audio specification for more details.
 | 
			
		||||
		 */
 | 
			
		||||
		typedef struct
 | 
			
		||||
		{
 | 
			
		||||
			USB_Descriptor_Header_t   Header; /**< Regular descriptor header containing the descriptor's type and length */
 | 
			
		||||
			uint8_t                   Subtype; /**< Sub type value used to distinguish between audio class specific descriptors */
 | 
			
		||||
 | 
			
		||||
			uint8_t                   Attributes; /**< Audio class specific endpoint attributes, such as ACCEPTS_SMALL_PACKETS */
 | 
			
		||||
 | 
			
		||||
			uint8_t                   LockDelayUnits; /**< Units used for the LockDelay field, see Audio class specification */
 | 
			
		||||
			uint16_t                  LockDelay; /**< Time required to internally lock endpoint's internal clock recovery circuitry */
 | 
			
		||||
		} USB_Audio_StreamEndpoint_Spc_t;
 | 
			
		||||
 | 
			
		||||
		/** Type define for the device configuration descriptor structure. This must be defined in the
 | 
			
		||||
		 *  application code, as the configuration descriptor contains several sub-descriptors which
 | 
			
		||||
		 *  vary between devices, and which describe the device's usage to the host.
 | 
			
		||||
		 */
 | 
			
		||||
		typedef struct
 | 
			
		||||
		{
 | 
			
		||||
			USB_Descriptor_Configuration_Header_t Config;
 | 
			
		||||
			USB_Descriptor_Interface_t            Audio_ControlInterface;
 | 
			
		||||
			USB_Audio_Interface_AC_t              Audio_ControlInterface_SPC;
 | 
			
		||||
			USB_Audio_InputTerminal_t             Audio_InputTerminal;
 | 
			
		||||
			USB_Audio_OutputTerminal_t            Audio_OutputTerminal;
 | 
			
		||||
			USB_Descriptor_Interface_t            Audio_StreamInterface_Alt0;
 | 
			
		||||
			USB_Descriptor_Interface_t            Audio_StreamInterface_Alt1;
 | 
			
		||||
			USB_Audio_Interface_AS_t              Audio_StreamInterface_SPC;
 | 
			
		||||
			USB_Audio_Format_t                    Audio_AudioFormat;
 | 
			
		||||
			USB_Audio_StreamEndpoint_Std_t        Audio_StreamEndpoint;
 | 
			
		||||
			USB_Audio_StreamEndpoint_Spc_t        Audio_StreamEndpoint_SPC;
 | 
			
		||||
			USB_Descriptor_Configuration_Header_t     Config;
 | 
			
		||||
			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;
 | 
			
		||||
			USB_Descriptor_Interface_t                Audio_StreamInterface_Alt0;
 | 
			
		||||
			USB_Descriptor_Interface_t                Audio_StreamInterface_Alt1;
 | 
			
		||||
			USB_Audio_Descriptor_Interface_AS_t       Audio_StreamInterface_SPC;
 | 
			
		||||
			USB_Audio_Descriptor_Format_t             Audio_AudioFormat;
 | 
			
		||||
			USB_Audio_Descriptor_StreamEndpoint_Std_t Audio_StreamEndpoint;
 | 
			
		||||
			USB_Audio_Descriptor_StreamEndpoint_Spc_t Audio_StreamEndpoint_SPC;
 | 
			
		||||
		} USB_Descriptor_Configuration_t;
 | 
			
		||||
 | 
			
		||||
	/* Function Prototypes: */
 | 
			
		||||
| 
						 | 
				
			
			@ -312,4 +81,3 @@
 | 
			
		|||
		                                    ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(3);
 | 
			
		||||
 | 
			
		||||
#endif
 | 
			
		||||
 | 
			
		||||
| 
						 | 
				
			
			
 | 
			
		|||
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