Data Structures
struct	TU_ATTR_PACKED
	AUDIO Channel Cluster Descriptor (4.1) More...

Macros
#define	audio_desc_clock_selector_n_t(source_num)
	AUDIO Clock Selector Descriptor (4.7.2.2) for multiple pins.

#define	audio_desc_feature_unit_n_t(ch_num)
	AUDIO Feature Unit Descriptor(4.7.2.8) for multiple channels.

#define	audio_control_range_1_n_t(numSubRanges)

#define	audio_control_range_2_n_t(numSubRanges)
	5.2.3.2 2-byte Control RANGE Parameter Block

#define	audio_control_range_4_n_t(numSubRanges)

Typedefs
typedef struct TU_ATTR_PACKED	audio_desc_channel_cluster_t
	AUDIO Channel Cluster Descriptor (4.1)

typedef struct TU_ATTR_PACKED	audio_desc_cs_ac_interface_t
	AUDIO Class-Specific AC Interface Header Descriptor (4.7.2)

typedef struct TU_ATTR_PACKED	audio_desc_clock_source_t
	AUDIO Clock Source Descriptor (4.7.2.1)

typedef struct TU_ATTR_PACKED	audio_desc_clock_selector_t
	AUDIO Clock Selector Descriptor (4.7.2.2) for ONE pin.

typedef struct TU_ATTR_PACKED	audio_desc_clock_multiplier_t
	AUDIO Clock Multiplier Descriptor (4.7.2.3)

typedef struct TU_ATTR_PACKED	audio_desc_input_terminal_t
	AUDIO Input Terminal Descriptor(4.7.2.4)

typedef struct TU_ATTR_PACKED	audio_desc_output_terminal_t
	AUDIO Output Terminal Descriptor(4.7.2.5)

typedef struct TU_ATTR_PACKED	audio_desc_feature_unit_t
	AUDIO Feature Unit Descriptor(4.7.2.8) for ONE channel.

typedef struct TU_ATTR_PACKED	audio_desc_cs_as_interface_t
	AUDIO Class-Specific AS Interface Descriptor(4.9.2)

typedef struct TU_ATTR_PACKED	audio_desc_type_I_format_t
	AUDIO Type I Format Type Descriptor(2.3.1.6 - Audio Formats)

typedef struct TU_ATTR_PACKED	audio_desc_cs_as_iso_data_ep_t
	AUDIO Class-Specific AS Isochronous Audio Data Endpoint Descriptor(4.10.1.2)

typedef struct TU_ATTR_PACKED	audio_control_request_t

typedef struct TU_ATTR_PACKED	audio_control_cur_1_t

typedef struct TU_ATTR_PACKED	audio_control_cur_2_t

typedef struct TU_ATTR_PACKED	audio_control_cur_4_t

typedef struct TU_ATTR_PACKED	audio_control_range_1_t

typedef struct TU_ATTR_PACKED	audio_control_range_2_t

typedef struct TU_ATTR_PACKED	audio_control_range_4_t

Enumerations
enum	audio_function_subclass_type_t { AUDIO_FUNCTION_SUBCLASS_UNDEFINED = 0x00 }
	Audio Device Class Codes. More...

enum	audio_function_protocol_code_t { AUDIO_FUNC_PROTOCOL_CODE_UNDEF = 0x00 , AUDIO_FUNC_PROTOCOL_CODE_V2 = 0x20 }
	A.3 - Audio Function Protocol Codes. More...

enum	audio_subclass_type_t { AUDIO_SUBCLASS_UNDEFINED = 0x00 , AUDIO_SUBCLASS_CONTROL , AUDIO_SUBCLASS_STREAMING , AUDIO_SUBCLASS_MIDI_STREAMING }
	A.5 - Audio Interface Subclass Codes. More...

enum	audio_interface_protocol_code_t { AUDIO_INT_PROTOCOL_CODE_UNDEF = 0x00 , AUDIO_INT_PROTOCOL_CODE_V2 = 0x20 }
	A.6 - Audio Interface Protocol Codes. More...

enum	audio_function_code_t { AUDIO_FUNC_UNDEF = 0x00 , AUDIO_FUNC_DESKTOP_SPEAKER = 0x01 , AUDIO_FUNC_HOME_THEATER = 0x02 , AUDIO_FUNC_MICROPHONE = 0x03 , AUDIO_FUNC_HEADSET = 0x04 , AUDIO_FUNC_TELEPHONE = 0x05 , AUDIO_FUNC_CONVERTER = 0x06 , AUDIO_FUNC_SOUND_RECODER = 0x07 , AUDIO_FUNC_IO_BOX = 0x08 , AUDIO_FUNC_MUSICAL_INSTRUMENT = 0x09 , AUDIO_FUNC_PRO_AUDIO = 0x0A , AUDIO_FUNC_AUDIO_VIDEO = 0x0B , AUDIO_FUNC_CONTROL_PANEL = 0x0C , AUDIO_FUNC_OTHER = 0xFF }
	A.7 - Audio Function Category Codes.

enum	audio_cs_ac_interface_subtype_t { AUDIO_CS_AC_INTERFACE_AC_DESCRIPTOR_UNDEF = 0x00 , AUDIO_CS_AC_INTERFACE_HEADER = 0x01 , AUDIO_CS_AC_INTERFACE_INPUT_TERMINAL = 0x02 , AUDIO_CS_AC_INTERFACE_OUTPUT_TERMINAL = 0x03 , AUDIO_CS_AC_INTERFACE_MIXER_UNIT = 0x04 , AUDIO_CS_AC_INTERFACE_SELECTOR_UNIT = 0x05 , AUDIO_CS_AC_INTERFACE_FEATURE_UNIT = 0x06 , AUDIO_CS_AC_INTERFACE_EFFECT_UNIT = 0x07 , AUDIO_CS_AC_INTERFACE_PROCESSING_UNIT = 0x08 , AUDIO_CS_AC_INTERFACE_EXTENSION_UNIT = 0x09 , AUDIO_CS_AC_INTERFACE_CLOCK_SOURCE = 0x0A , AUDIO_CS_AC_INTERFACE_CLOCK_SELECTOR = 0x0B , AUDIO_CS_AC_INTERFACE_CLOCK_MULTIPLIER = 0x0C , AUDIO_CS_AC_INTERFACE_SAMPLE_RATE_CONVERTER = 0x0D }
	A.9 - Audio Class-Specific AC Interface Descriptor Subtypes UAC2.

enum	audio_cs_as_interface_subtype_t { AUDIO_CS_AS_INTERFACE_AS_DESCRIPTOR_UNDEF = 0x00 , AUDIO_CS_AS_INTERFACE_AS_GENERAL = 0x01 , AUDIO_CS_AS_INTERFACE_FORMAT_TYPE = 0x02 , AUDIO_CS_AS_INTERFACE_ENCODER = 0x03 , AUDIO_CS_AS_INTERFACE_DECODER = 0x04 }
	A.10 - Audio Class-Specific AS Interface Descriptor Subtypes UAC2.

enum	audio_effect_unit_effect_type_t { AUDIO_EFFECT_TYPE_UNDEF = 0x00 , AUDIO_EFFECT_TYPE_PARAM_EQ_SECTION = 0x01 , AUDIO_EFFECT_TYPE_REVERBERATION = 0x02 , AUDIO_EFFECT_TYPE_MOD_DELAY = 0x03 , AUDIO_EFFECT_TYPE_DYN_RANGE_COMP = 0x04 }
	A.11 - Effect Unit Effect Types.

enum	audio_processing_unit_process_type_t { AUDIO_PROCESS_TYPE_UNDEF = 0x00 , AUDIO_PROCESS_TYPE_UP_DOWN_MIX = 0x01 , AUDIO_PROCESS_TYPE_DOLBY_PROLOGIC = 0x02 , AUDIO_PROCESS_TYPE_STEREO_EXTENDER = 0x03 }
	A.12 - Processing Unit Process Types.

enum	audio_cs_ep_subtype_t { AUDIO_CS_EP_SUBTYPE_UNDEF = 0x00 , AUDIO_CS_EP_SUBTYPE_GENERAL = 0x01 }
	A.13 - Audio Class-Specific EP Descriptor Subtypes UAC2.

enum	audio_cs_req_t { AUDIO_CS_REQ_UNDEF = 0x00 , AUDIO_CS_REQ_CUR = 0x01 , AUDIO_CS_REQ_RANGE = 0x02 , AUDIO_CS_REQ_MEM = 0x03 }
	A.14 - Audio Class-Specific Request Codes.

enum	audio_clock_src_control_selector_t { AUDIO_CS_CTRL_UNDEF = 0x00 , AUDIO_CS_CTRL_SAM_FREQ = 0x01 , AUDIO_CS_CTRL_CLK_VALID = 0x02 }
	A.17 - Control Selector Codes. More...

enum	audio_clock_sel_control_selector_t { AUDIO_CX_CTRL_UNDEF = 0x00 , AUDIO_CX_CTRL_CONTROL = 0x01 }
	A.17.2 - Clock Selector Control Selectors.

enum	audio_clock_mul_control_selector_t { AUDIO_CM_CTRL_UNDEF = 0x00 , AUDIO_CM_CTRL_NUMERATOR_CONTROL = 0x01 , AUDIO_CM_CTRL_DENOMINATOR_CONTROL = 0x02 }
	A.17.3 - Clock Multiplier Control Selectors.

enum	audio_terminal_control_selector_t { AUDIO_TE_CTRL_UNDEF = 0x00 , AUDIO_TE_CTRL_COPY_PROTECT = 0x01 , AUDIO_TE_CTRL_CONNECTOR = 0x02 , AUDIO_TE_CTRL_OVERLOAD = 0x03 , AUDIO_TE_CTRL_CLUSTER = 0x04 , AUDIO_TE_CTRL_UNDERFLOW = 0x05 , AUDIO_TE_CTRL_OVERFLOW = 0x06 , AUDIO_TE_CTRL_LATENCY = 0x07 }
	A.17.4 - Terminal Control Selectors.

enum	audio_mixer_control_selector_t { AUDIO_MU_CTRL_UNDEF = 0x00 , AUDIO_MU_CTRL_MIXER = 0x01 , AUDIO_MU_CTRL_CLUSTER = 0x02 , AUDIO_MU_CTRL_UNDERFLOW = 0x03 , AUDIO_MU_CTRL_OVERFLOW = 0x04 , AUDIO_MU_CTRL_LATENCY = 0x05 }
	A.17.5 - Mixer Control Selectors.

enum	audio_sel_control_selector_t { AUDIO_SU_CTRL_UNDEF = 0x00 , AUDIO_SU_CTRL_SELECTOR = 0x01 , AUDIO_SU_CTRL_LATENCY = 0x02 }
	A.17.6 - Selector Control Selectors.

enum	audio_feature_unit_control_selector_t { AUDIO_FU_CTRL_UNDEF = 0x00 , AUDIO_FU_CTRL_MUTE = 0x01 , AUDIO_FU_CTRL_VOLUME = 0x02 , AUDIO_FU_CTRL_BASS = 0x03 , AUDIO_FU_CTRL_MID = 0x04 , AUDIO_FU_CTRL_TREBLE = 0x05 , AUDIO_FU_CTRL_GRAPHIC_EQUALIZER = 0x06 , AUDIO_FU_CTRL_AGC = 0x07 , AUDIO_FU_CTRL_DELAY = 0x08 , AUDIO_FU_CTRL_BASS_BOOST = 0x09 , AUDIO_FU_CTRL_LOUDNESS = 0x0A , AUDIO_FU_CTRL_INPUT_GAIN = 0x0B , AUDIO_FU_CTRL_GAIN_PAD = 0x0C , AUDIO_FU_CTRL_INVERTER = 0x0D , AUDIO_FU_CTRL_UNDERFLOW = 0x0E , AUDIO_FU_CTRL_OVERVLOW = 0x0F , AUDIO_FU_CTRL_LATENCY = 0x10 }
	A.17.7 - Feature Unit Control Selectors.

enum	audio_parametric_equalizer_control_selector_t { AUDIO_PE_CTRL_UNDEF = 0x00 , AUDIO_PE_CTRL_ENABLE = 0x01 , AUDIO_PE_CTRL_CENTERFREQ = 0x02 , AUDIO_PE_CTRL_QFACTOR = 0x03 , AUDIO_PE_CTRL_GAIN = 0x04 , AUDIO_PE_CTRL_UNDERFLOW = 0x05 , AUDIO_PE_CTRL_OVERFLOW = 0x06 , AUDIO_PE_CTRL_LATENCY = 0x07 }
	A.17.8 Effect Unit Control Selectors. More...

enum	audio_reverberation_effect_control_selector_t { AUDIO_RV_CTRL_UNDEF = 0x00 , AUDIO_RV_CTRL_ENABLE = 0x01 , AUDIO_RV_CTRL_TYPE = 0x02 , AUDIO_RV_CTRL_LEVEL = 0x03 , AUDIO_RV_CTRL_TIME = 0x04 , AUDIO_RV_CTRL_FEEDBACK = 0x05 , AUDIO_RV_CTRL_PREDELAY = 0x06 , AUDIO_RV_CTRL_DENSITY = 0x07 , AUDIO_RV_CTRL_HIFREQ_ROLLOFF = 0x08 , AUDIO_RV_CTRL_UNDERFLOW = 0x09 , AUDIO_RV_CTRL_OVERFLOW = 0x0A , AUDIO_RV_CTRL_LATENCY = 0x0B }
	A.17.8.2 Reverberation Effect Unit Control Selectors.

enum	audio_modulation_delay_control_selector_t { AUDIO_MD_CTRL_UNDEF = 0x00 , AUDIO_MD_CTRL_ENABLE = 0x01 , AUDIO_MD_CTRL_BALANCE = 0x02 , AUDIO_MD_CTRL_RATE = 0x03 , AUDIO_MD_CTRL_DEPTH = 0x04 , AUDIO_MD_CTRL_TIME = 0x05 , AUDIO_MD_CTRL_FEEDBACK = 0x06 , AUDIO_MD_CTRL_UNDERFLOW = 0x07 , AUDIO_MD_CTRL_OVERFLOW = 0x08 , AUDIO_MD_CTRL_LATENCY = 0x09 }
	A.17.8.3 Modulation Delay Effect Unit Control Selectors.

enum	audio_dynamic_range_compression_control_selector_t { AUDIO_DR_CTRL_UNDEF = 0x00 , AUDIO_DR_CTRL_ENABLE = 0x01 , AUDIO_DR_CTRL_COMPRESSION_RATE = 0x02 , AUDIO_DR_CTRL_MAXAMPL = 0x03 , AUDIO_DR_CTRL_THRESHOLD = 0x04 , AUDIO_DR_CTRL_ATTACK_TIME = 0x05 , AUDIO_DR_CTRL_RELEASE_TIME = 0x06 , AUDIO_DR_CTRL_UNDERFLOW = 0x07 , AUDIO_DR_CTRL_OVERFLOW = 0x08 , AUDIO_DR_CTRL_LATENCY = 0x09 }
	A.17.8.4 Dynamic Range Compressor Effect Unit Control Selectors.

enum	audio_up_down_mix_control_selector_t { AUDIO_UD_CTRL_UNDEF = 0x00 , AUDIO_UD_CTRL_ENABLE = 0x01 , AUDIO_UD_CTRL_MODE_SELECT = 0x02 , AUDIO_UD_CTRL_CLUSTER = 0x03 , AUDIO_UD_CTRL_UNDERFLOW = 0x04 , AUDIO_UD_CTRL_OVERFLOW = 0x05 , AUDIO_UD_CTRL_LATENCY = 0x06 }
	A.17.9 Processing Unit Control Selectors. More...

enum	audio_dolby_prologic_control_selector_t { AUDIO_DP_CTRL_UNDEF = 0x00 , AUDIO_DP_CTRL_ENABLE = 0x01 , AUDIO_DP_CTRL_MODE_SELECT = 0x02 , AUDIO_DP_CTRL_CLUSTER = 0x03 , AUDIO_DP_CTRL_UNDERFLOW = 0x04 , AUDIO_DP_CTRL_OVERFLOW = 0x05 , AUDIO_DP_CTRL_LATENCY = 0x06 }
	A.17.9.2 Dolby Prologic ™ Processing Unit Control Selectors.

enum	audio_stereo_extender_control_selector_t { AUDIO_ST_EXT_CTRL_UNDEF = 0x00 , AUDIO_ST_EXT_CTRL_ENABLE = 0x01 , AUDIO_ST_EXT_CTRL_WIDTH = 0x02 , AUDIO_ST_EXT_CTRL_UNDERFLOW = 0x03 , AUDIO_ST_EXT_CTRL_OVERFLOW = 0x04 , AUDIO_ST_EXT_CTRL_LATENCY = 0x05 }
	A.17.9.3 Stereo Extender Processing Unit Control Selectors.

enum	audio_extension_unit_control_selector_t { AUDIO_XU_CTRL_UNDEF = 0x00 , AUDIO_XU_CTRL_ENABLE = 0x01 , AUDIO_XU_CTRL_CLUSTER = 0x02 , AUDIO_XU_CTRL_UNDERFLOW = 0x03 , AUDIO_XU_CTRL_OVERFLOW = 0x04 , AUDIO_XU_CTRL_LATENCY = 0x05 }
	A.17.10 Extension Unit Control Selectors.

enum	audio_audiostreaming_interface_control_selector_t { AUDIO_AS_CTRL_UNDEF = 0x00 , AUDIO_AS_CTRL_ACT_ALT_SETTING = 0x01 , AUDIO_AS_CTRL_VAL_ALT_SETTINGS = 0x02 , AUDIO_AS_CTRL_AUDIO_DATA_FORMAT = 0x03 }
	A.17.11 AudioStreaming Interface Control Selectors.

enum	audio_encoder_control_selector_t { AUDIO_EN_CTRL_UNDEF = 0x00 , AUDIO_EN_CTRL_BIT_RATE = 0x01 , AUDIO_EN_CTRL_QUALITY = 0x02 , AUDIO_EN_CTRL_VBR = 0x03 , AUDIO_EN_CTRL_TYPE = 0x04 , AUDIO_EN_CTRL_UNDERFLOW = 0x05 , AUDIO_EN_CTRL_OVERFLOW = 0x06 , AUDIO_EN_CTRL_ENCODER_ERROR = 0x07 , AUDIO_EN_CTRL_PARAM1 = 0x08 , AUDIO_EN_CTRL_PARAM2 = 0x09 , AUDIO_EN_CTRL_PARAM3 = 0x0A , AUDIO_EN_CTRL_PARAM4 = 0x0B , AUDIO_EN_CTRL_PARAM5 = 0x0C , AUDIO_EN_CTRL_PARAM6 = 0x0D , AUDIO_EN_CTRL_PARAM7 = 0x0E , AUDIO_EN_CTRL_PARAM8 = 0x0F }
	A.17.12 Encoder Control Selectors.

enum	audio_MPEG_decoder_control_selector_t { AUDIO_MPD_CTRL_UNDEF = 0x00 , AUDIO_MPD_CTRL_DUAL_CHANNEL = 0x01 , AUDIO_MPD_CTRL_SECOND_STEREO = 0x02 , AUDIO_MPD_CTRL_MULTILINGUAL = 0x03 , AUDIO_MPD_CTRL_DYN_RANGE = 0x04 , AUDIO_MPD_CTRL_SCALING = 0x05 , AUDIO_MPD_CTRL_HILO_SCALING = 0x06 , AUDIO_MPD_CTRL_UNDERFLOW = 0x07 , AUDIO_MPD_CTRL_OVERFLOW = 0x08 , AUDIO_MPD_CTRL_DECODER_ERROR = 0x09 }
	A.17.13 Decoder Control Selectors. More...

enum	audio_AC3_decoder_control_selector_t { AUDIO_AD_CTRL_UNDEF = 0x00 , AUDIO_AD_CTRL_MODE = 0x01 , AUDIO_AD_CTRL_DYN_RANGE = 0x02 , AUDIO_AD_CTRL_SCALING = 0x03 , AUDIO_AD_CTRL_HILO_SCALING = 0x04 , AUDIO_AD_CTRL_UNDERFLOW = 0x05 , AUDIO_AD_CTRL_OVERFLOW = 0x06 , AUDIO_AD_CTRL_DECODER_ERROR = 0x07 }
	A.17.13.2 AC-3 Decoder Control Selectors.

enum	audio_WMA_decoder_control_selector_t { AUDIO_WD_CTRL_UNDEF = 0x00 , AUDIO_WD_CTRL_UNDERFLOW = 0x01 , AUDIO_WD_CTRL_OVERFLOW = 0x02 , AUDIO_WD_CTRL_DECODER_ERROR = 0x03 }
	A.17.13.3 WMA Decoder Control Selectors.

enum	audio_DTS_decoder_control_selector_t { AUDIO_DD_CTRL_UNDEF = 0x00 , AUDIO_DD_CTRL_UNDERFLOW = 0x01 , AUDIO_DD_CTRL_OVERFLOW = 0x02 , AUDIO_DD_CTRL_DECODER_ERROR = 0x03 }
	A.17.13.4 DTS Decoder Control Selectors.

enum	audio_EP_control_selector_t { AUDIO_EP_CTRL_UNDEF = 0x00 , AUDIO_EP_CTRL_PITCH = 0x01 , AUDIO_EP_CTRL_DATA_OVERRUN = 0x02 , AUDIO_EP_CTRL_DATA_UNDERRUN = 0x03 }
	A.17.14 Endpoint Control Selectors.

enum	audio_terminal_type_t { AUDIO_TERM_TYPE_USB_UNDEFINED = 0x0100 , AUDIO_TERM_TYPE_USB_STREAMING = 0x0101 , AUDIO_TERM_TYPE_USB_VENDOR_SPEC = 0x01FF }
	Terminal Types. More...

enum	audio_terminal_input_type_t { AUDIO_TERM_TYPE_IN_UNDEFINED = 0x0200 , AUDIO_TERM_TYPE_IN_GENERIC_MIC = 0x0201 , AUDIO_TERM_TYPE_IN_DESKTOP_MIC = 0x0202 , AUDIO_TERM_TYPE_IN_PERSONAL_MIC = 0x0203 , AUDIO_TERM_TYPE_IN_OMNI_MIC = 0x0204 , AUDIO_TERM_TYPE_IN_ARRAY_MIC = 0x0205 , AUDIO_TERM_TYPE_IN_PROC_ARRAY_MIC = 0x0206 }
	2.2 - Audio Class-Input Terminal Types UAC2

enum	audio_terminal_output_type_t { AUDIO_TERM_TYPE_OUT_UNDEFINED = 0x0300 , AUDIO_TERM_TYPE_OUT_GENERIC_SPEAKER = 0x0301 , AUDIO_TERM_TYPE_OUT_HEADPHONES = 0x0302 , AUDIO_TERM_TYPE_OUT_HEAD_MNT_DISP_AUIDO = 0x0303 , AUDIO_TERM_TYPE_OUT_DESKTOP_SPEAKER = 0x0304 , AUDIO_TERM_TYPE_OUT_ROOM_SPEAKER = 0x0305 , AUDIO_TERM_TYPE_OUT_COMMUNICATION_SPEAKER = 0x0306 , AUDIO_TERM_TYPE_OUT_LOW_FRQ_EFFECTS_SPEAKER = 0x0307 }
	2.3 - Audio Class-Output Terminal Types UAC2

enum	audio_format_type_t { AUDIO_FORMAT_TYPE_UNDEFINED = 0x00 , AUDIO_FORMAT_TYPE_I = 0x01 , AUDIO_FORMAT_TYPE_II = 0x02 , AUDIO_FORMAT_TYPE_III = 0x03 , AUDIO_FORMAT_TYPE_IV = 0x04 , AUDIO_EXT_FORMAT_TYPE_I = 0x81 , AUDIO_EXT_FORMAT_TYPE_II = 0x82 , AUDIO_EXT_FORMAT_TYPE_III = 0x83 }
	Rest is yet to be implemented. More...

enum	audio_data_format_type_I_t { AUDIO_DATA_FORMAT_TYPE_I_PCM = (uint32_t) (1 << 0) , AUDIO_DATA_FORMAT_TYPE_I_PCM8 = (uint32_t) (1 << 1) , AUDIO_DATA_FORMAT_TYPE_I_IEEE_FLOAT = (uint32_t) (1 << 2) , AUDIO_DATA_FORMAT_TYPE_I_ALAW = (uint32_t) (1 << 3) , AUDIO_DATA_FORMAT_TYPE_I_MULAW = (uint32_t) (1 << 4) , AUDIO_DATA_FORMAT_TYPE_I_RAW_DATA = 0x80000000 }

enum	audio_control_t { AUDIO_CTRL_NONE = 0x00 , AUDIO_CTRL_R = 0x01 , AUDIO_CTRL_RW = 0x03 }
	All remaining definitions are taken from the descriptor descriptions in the UAC2 main specification. More...

enum	audio_cs_ac_interface_control_pos_t { AUDIO_CS_AS_INTERFACE_CTRL_LATENCY_POS = 0 }
	Audio Class-Specific AC Interface Descriptor Controls UAC2.

enum	audio_cs_as_interface_control_pos_t { AUDIO_CS_AS_INTERFACE_CTRL_ACTIVE_ALT_SET_POS = 0 , AUDIO_CS_AS_INTERFACE_CTRL_VALID_ALT_SET_POS = 2 }
	Audio Class-Specific AS Interface Descriptor Controls UAC2.

enum	audio_cs_as_iso_data_ep_attribute_t { AUDIO_CS_AS_ISO_DATA_EP_ATT_MAX_PACKETS_ONLY = 0x80 , AUDIO_CS_AS_ISO_DATA_EP_ATT_NON_MAX_PACKETS_OK = 0x00 }
	Audio Class-Specific AS Isochronous Data EP Attributes UAC2.

enum	audio_cs_as_iso_data_ep_control_pos_t { AUDIO_CS_AS_ISO_DATA_EP_CTRL_PITCH_POS = 0 , AUDIO_CS_AS_ISO_DATA_EP_CTRL_DATA_OVERRUN_POS = 2 , AUDIO_CS_AS_ISO_DATA_EP_CTRL_DATA_UNDERRUN_POS = 4 }
	Audio Class-Specific AS Isochronous Data EP Controls UAC2.

enum	audio_cs_as_iso_data_ep_lock_delay_unit_t { AUDIO_CS_AS_ISO_DATA_EP_LOCK_DELAY_UNIT_UNDEFINED = 0x00 , AUDIO_CS_AS_ISO_DATA_EP_LOCK_DELAY_UNIT_MILLISEC = 0x01 , AUDIO_CS_AS_ISO_DATA_EP_LOCK_DELAY_UNIT_PCM_SAMPLES = 0x02 }
	Audio Class-Specific AS Isochronous Data EP Lock Delay Units UAC2.

enum	audio_clock_source_attribute_t { AUDIO_CLOCK_SOURCE_ATT_EXT_CLK = 0x00 , AUDIO_CLOCK_SOURCE_ATT_INT_FIX_CLK = 0x01 , AUDIO_CLOCK_SOURCE_ATT_INT_VAR_CLK = 0x02 , AUDIO_CLOCK_SOURCE_ATT_INT_PRO_CLK = 0x03 , AUDIO_CLOCK_SOURCE_ATT_CLK_SYC_SOF = 0x04 }
	Audio Class-Clock Source Attributes UAC2.

enum	audio_clock_source_control_pos_t { AUDIO_CLOCK_SOURCE_CTRL_CLK_FRQ_POS = 0 , AUDIO_CLOCK_SOURCE_CTRL_CLK_VAL_POS = 2 }
	Audio Class-Clock Source Controls UAC2.

enum	audio_clock_selector_control_pos_t { AUDIO_CLOCK_SELECTOR_CTRL_POS = 0 }
	Audio Class-Clock Selector Controls UAC2.

enum	audio_clock_multiplier_control_pos_t { AUDIO_CLOCK_MULTIPLIER_CTRL_NUMERATOR_POS = 0 , AUDIO_CLOCK_MULTIPLIER_CTRL_DENOMINATOR_POS = 2 }
	Audio Class-Clock Multiplier Controls UAC2.

enum	audio_terminal_input_control_pos_t { AUDIO_IN_TERM_CTRL_CPY_PROT_POS = 0 , AUDIO_IN_TERM_CTRL_CONNECTOR_POS = 2 , AUDIO_IN_TERM_CTRL_OVERLOAD_POS = 4 , AUDIO_IN_TERM_CTRL_CLUSTER_POS = 6 , AUDIO_IN_TERM_CTRL_UNDERFLOW_POS = 8 , AUDIO_IN_TERM_CTRL_OVERFLOW_POS = 10 }
	Audio Class-Input Terminal Controls UAC2.

enum	audio_terminal_output_control_pos_t { AUDIO_OUT_TERM_CTRL_CPY_PROT_POS = 0 , AUDIO_OUT_TERM_CTRL_CONNECTOR_POS = 2 , AUDIO_OUT_TERM_CTRL_OVERLOAD_POS = 4 , AUDIO_OUT_TERM_CTRL_UNDERFLOW_POS = 6 , AUDIO_OUT_TERM_CTRL_OVERFLOW_POS = 8 }
	Audio Class-Output Terminal Controls UAC2.

enum	audio_feature_unit_control_pos_t { AUDIO_FEATURE_UNIT_CTRL_MUTE_POS = 0 , AUDIO_FEATURE_UNIT_CTRL_VOLUME_POS = 2 , AUDIO_FEATURE_UNIT_CTRL_BASS_POS = 4 , AUDIO_FEATURE_UNIT_CTRL_MID_POS = 6 , AUDIO_FEATURE_UNIT_CTRL_TREBLE_POS = 8 , AUDIO_FEATURE_UNIT_CTRL_GRAPHIC_EQU_POS = 10 , AUDIO_FEATURE_UNIT_CTRL_AGC_POS = 12 , AUDIO_FEATURE_UNIT_CTRL_DELAY_POS = 14 , AUDIO_FEATURE_UNIT_CTRL_BASS_BOOST_POS = 16 , AUDIO_FEATURE_UNIT_CTRL_LOUDNESS_POS = 18 , AUDIO_FEATURE_UNIT_CTRL_INPUT_GAIN_POS = 20 , AUDIO_FEATURE_UNIT_CTRL_INPUT_GAIN_PAD_POS = 22 , AUDIO_FEATURE_UNIT_CTRL_PHASE_INV_POS = 24 , AUDIO_FEATURE_UNIT_CTRL_UNDERFLOW_POS = 26 , AUDIO_FEATURE_UNIT_CTRL_OVERFLOW_POS = 28 }
	Audio Class-Feature Unit Controls UAC2.

enum	audio_channel_config_t { AUDIO_CHANNEL_CONFIG_NON_PREDEFINED = 0x00000000 , AUDIO_CHANNEL_CONFIG_FRONT_LEFT = 0x00000001 , AUDIO_CHANNEL_CONFIG_FRONT_RIGHT = 0x00000002 , AUDIO_CHANNEL_CONFIG_FRONT_CENTER = 0x00000004 , AUDIO_CHANNEL_CONFIG_LOW_FRQ_EFFECTS = 0x00000008 , AUDIO_CHANNEL_CONFIG_BACK_LEFT = 0x00000010 , AUDIO_CHANNEL_CONFIG_BACK_RIGHT = 0x00000020 , AUDIO_CHANNEL_CONFIG_FRONT_LEFT_OF_CENTER = 0x00000040 , AUDIO_CHANNEL_CONFIG_FRONT_RIGHT_OF_CENTER = 0x00000080 , AUDIO_CHANNEL_CONFIG_BACK_CENTER = 0x00000100 , AUDIO_CHANNEL_CONFIG_SIDE_LEFT = 0x00000200 , AUDIO_CHANNEL_CONFIG_SIDE_RIGHT = 0x00000400 , AUDIO_CHANNEL_CONFIG_TOP_CENTER = 0x00000800 , AUDIO_CHANNEL_CONFIG_TOP_FRONT_LEFT = 0x00001000 , AUDIO_CHANNEL_CONFIG_TOP_FRONT_CENTER = 0x00002000 , AUDIO_CHANNEL_CONFIG_TOP_FRONT_RIGHT = 0x00004000 , AUDIO_CHANNEL_CONFIG_TOP_BACK_LEFT = 0x00008000 , AUDIO_CHANNEL_CONFIG_TOP_BACK_CENTER = 0x00010000 , AUDIO_CHANNEL_CONFIG_TOP_BACK_RIGHT = 0x00020000 , AUDIO_CHANNEL_CONFIG_TOP_FRONT_LEFT_OF_CENTER = 0x00040000 , AUDIO_CHANNEL_CONFIG_TOP_FRONT_RIGHT_OF_CENTER = 0x00080000 , AUDIO_CHANNEL_CONFIG_LEFT_LOW_FRQ_EFFECTS = 0x00100000 , AUDIO_CHANNEL_CONFIG_RIGHT_LOW_FRQ_EFFECTS = 0x00200000 , AUDIO_CHANNEL_CONFIG_TOP_SIDE_LEFT = 0x00400000 , AUDIO_CHANNEL_CONFIG_TOP_SIDE_RIGHT = 0x00800000 , AUDIO_CHANNEL_CONFIG_BOTTOM_CENTER = 0x01000000 , AUDIO_CHANNEL_CONFIG_BACK_LEFT_OF_CENTER = 0x02000000 , AUDIO_CHANNEL_CONFIG_BACK_RIGHT_OF_CENTER = 0x04000000 , AUDIO_CHANNEL_CONFIG_RAW_DATA = 0x80000000 }
	Audio Class-Audio Channel Configuration UAC2.

Macro Definition Documentation

◆ audio_control_range_1_n_t

#define audio_control_range_1_n_t ( numSubRanges )

Value:

    struct TU_ATTR_PACKED {                     \
  uint16_t wNumSubRanges;                       \
  struct TU_ATTR_PACKED {                       \
      int8_t bMin               ; /*The setting for the MIN attribute of the nth subrange of the addressed Control*/\
    int8_t bMax                 ; /*The setting for the MAX attribute of the nth subrange of the addressed Control*/\
    uint8_t bRes                ; /*The setting for the RES attribute of the nth subrange of the addressed Control*/\
    } subrange[numSubRanges]    ;               \
}

◆ audio_control_range_2_n_t

#define audio_control_range_2_n_t ( numSubRanges )

Value:

    struct TU_ATTR_PACKED {                     \
  uint16_t wNumSubRanges;                       \
  struct TU_ATTR_PACKED {                       \
      int16_t bMin          ; /*The setting for the MIN attribute of the nth subrange of the addressed Control*/\
    int16_t bMax            ; /*The setting for the MAX attribute of the nth subrange of the addressed Control*/\
    uint16_t bRes           ; /*The setting for the RES attribute of the nth subrange of the addressed Control*/\
    } subrange[numSubRanges];                   \
}

◆ audio_control_range_4_n_t

#define audio_control_range_4_n_t ( numSubRanges )

Value:

    struct TU_ATTR_PACKED {                     \
  uint16_t wNumSubRanges;                       \
  struct TU_ATTR_PACKED {                       \
      int32_t bMin          ; /*The setting for the MIN attribute of the nth subrange of the addressed Control*/\
    int32_t bMax            ; /*The setting for the MAX attribute of the nth subrange of the addressed Control*/\
    uint32_t bRes           ; /*The setting for the RES attribute of the nth subrange of the addressed Control*/\
    } subrange[numSubRanges];                   \
}

◆ audio_desc_clock_selector_n_t

#define audio_desc_clock_selector_n_t ( source_num )

Value:

    struct TU_ATTR_PACKED {       \
  uint8_t bLength               ; \
  uint8_t bDescriptorType       ; \
  uint8_t bDescriptorSubType    ; \
  uint8_t bClockID              ; \
  uint8_t bNrInPins             ; \
  struct TU_ATTR_PACKED {         \
    uint8_t baSourceID          ; \
  } sourceID[source_num]        ; \
  uint8_t bmControls            ; \
  uint8_t iClockSource          ; \
}

◆ audio_desc_feature_unit_n_t

#define audio_desc_feature_unit_n_t ( ch_num )

Value:

    struct TU_ATTR_PACKED {         \
  uint8_t bLength               ; /* 6+(ch_num+1)*4 */\
    uint8_t bDescriptorType     ; \
    uint8_t bDescriptorSubType  ; \
    uint8_t bUnitID             ; \
    uint8_t bSourceID           ; \
    struct TU_ATTR_PACKED {       \
      uint32_t bmaControls      ; \
    } controls[ch_num+1]        ; \
    uint8_t iTerminal           ; \
}