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authorHiFiPhile <[email protected]>2025-09-27 14:58:08 +0200
committerMengsk <[email protected]>2025-09-29 10:00:39 +0200
commit78121a8d3f273420f8a2798364c2dd2fb9bb700f (patch)
tree6b1e134cca87df8a014a5552ca41df4b551f0404 /src/class/audio
parent24bc2ff57a7adeec04562bbc4fd1f3bed8df25fe (diff)
Update UAC2 naming
Signed-off-by: HiFiPhile <[email protected]>
Diffstat (limited to 'src/class/audio')
-rw-r--r--src/class/audio/audio.h1294
-rw-r--r--src/class/audio/audio_device.c30
-rw-r--r--src/class/audio/audio_device.h6
3 files changed, 852 insertions, 478 deletions
diff --git a/src/class/audio/audio.h b/src/class/audio/audio.h
index 0d1acadcc..7c4c85306 100644
--- a/src/class/audio/audio.h
+++ b/src/class/audio/audio.h
@@ -39,7 +39,9 @@
extern "C" {
#endif
-/// Audio Device Class Codes
+//--------------------------------------------------------------------+
+// GENERIC AUDIO CLASS CODES (COMMON TO UAC1 AND UAC2)
+//--------------------------------------------------------------------+
/// A.2 - Audio Function Subclass Codes
typedef enum
@@ -51,6 +53,7 @@ typedef enum
typedef enum
{
AUDIO_FUNC_PROTOCOL_CODE_UNDEF = 0x00,
+ AUDIO_FUNC_PROTOCOL_CODE_V1 = 0x00, ///< Version 1.0 - same as undefined for backward compatibility
AUDIO_FUNC_PROTOCOL_CODE_V2 = 0x20, ///< Version 2.0
} audio_function_protocol_code_t;
@@ -67,402 +70,798 @@ typedef enum
typedef enum
{
AUDIO_INT_PROTOCOL_CODE_UNDEF = 0x00,
+ AUDIO_INT_PROTOCOL_CODE_V1 = 0x00, ///< Version 1.0 - same as undefined for backward compatibility
AUDIO_INT_PROTOCOL_CODE_V2 = 0x20, ///< Version 2.0
} audio_interface_protocol_code_t;
+//--------------------------------------------------------------------+
+// USB AUDIO CLASS 1.0 (UAC1) DEFINITIONS
+//--------------------------------------------------------------------+
+
+/// A.4 - Audio Class-Specific AC Interface Descriptor Subtypes UAC1
+typedef enum
+{
+ AUDIO10_CS_AC_INTERFACE_AC_DESCRIPTOR_UNDEF = 0x00,
+ AUDIO10_CS_AC_INTERFACE_HEADER = 0x01,
+ AUDIO10_CS_AC_INTERFACE_INPUT_TERMINAL = 0x02,
+ AUDIO10_CS_AC_INTERFACE_OUTPUT_TERMINAL = 0x03,
+ AUDIO10_CS_AC_INTERFACE_MIXER_UNIT = 0x04,
+ AUDIO10_CS_AC_INTERFACE_SELECTOR_UNIT = 0x05,
+ AUDIO10_CS_AC_INTERFACE_FEATURE_UNIT = 0x06,
+ AUDIO10_CS_AC_INTERFACE_PROCESSING_UNIT = 0x07,
+ AUDIO10_CS_AC_INTERFACE_EXTENSION_UNIT = 0x08,
+} audio10_cs_ac_interface_subtype_t;
+
+/// A.5 - Audio Class-Specific AS Interface Descriptor Subtypes UAC1
+typedef enum
+{
+ AUDIO10_CS_AS_INTERFACE_AS_DESCRIPTOR_UNDEF = 0x00,
+ AUDIO10_CS_AS_INTERFACE_AS_GENERAL = 0x01,
+ AUDIO10_CS_AS_INTERFACE_FORMAT_TYPE = 0x02,
+} audio10_cs_as_interface_subtype_t;
+
+/// A.6 - Audio Class-Specific EP Descriptor Subtypes UAC1
+typedef enum
+{
+ AUDIO10_CS_EP_SUBTYPE_UNDEF = 0x00,
+ AUDIO10_CS_EP_SUBTYPE_GENERAL = 0x01,
+} audio10_cs_ep_subtype_t;
+
+/// A.7 - Audio Class-Specific Request Codes UAC1
+typedef enum
+{
+ AUDIO10_CS_REQ_UNDEF = 0x00,
+ AUDIO10_CS_REQ_SET_CUR = 0x01,
+ AUDIO10_CS_REQ_GET_CUR = 0x81,
+ AUDIO10_CS_REQ_SET_MIN = 0x02,
+ AUDIO10_CS_REQ_GET_MIN = 0x82,
+ AUDIO10_CS_REQ_SET_MAX = 0x03,
+ AUDIO10_CS_REQ_GET_MAX = 0x83,
+ AUDIO10_CS_REQ_SET_RES = 0x04,
+ AUDIO10_CS_REQ_GET_RES = 0x84,
+ AUDIO10_CS_REQ_SET_MEM = 0x05,
+ AUDIO10_CS_REQ_GET_MEM = 0x85,
+ AUDIO10_CS_REQ_GET_STAT = 0xFF,
+} audio10_cs_req_t;
+
+/// A.9.1 - Terminal Control Selectors UAC1
+typedef enum
+{
+ AUDIO10_TE_CTRL_UNDEF = 0x00,
+ AUDIO10_TE_CTRL_COPY_PROTECT = 0x01,
+} audio10_terminal_control_selector_t;
+
+/// A.9.2 - Feature Unit Control Selectors UAC1
+typedef enum
+{
+ AUDIO10_FU_CTRL_UNDEF = 0x00,
+ AUDIO10_FU_CTRL_MUTE = 0x01,
+ AUDIO10_FU_CTRL_VOLUME = 0x02,
+ AUDIO10_FU_CTRL_BASS = 0x03,
+ AUDIO10_FU_CTRL_MID = 0x04,
+ AUDIO10_FU_CTRL_TREBLE = 0x05,
+ AUDIO10_FU_CTRL_GRAPHIC_EQUALIZER = 0x06,
+ AUDIO10_FU_CTRL_AGC = 0x07,
+ AUDIO10_FU_CTRL_DELAY = 0x08,
+ AUDIO10_FU_CTRL_BASS_BOOST = 0x09,
+ AUDIO10_FU_CTRL_LOUDNESS = 0x0A,
+} audio10_feature_unit_control_selector_t;
+
+/// A.9.3 - Up/Down-mix Processing Unit Control Selectors UAC1
+typedef enum
+{
+ AUDIO10_UD_CTRL_UNDEF = 0x00,
+ AUDIO10_UD_CTRL_ENABLE = 0x01,
+ AUDIO10_UD_CTRL_MODE_SELECT = 0x02,
+} audio10_up_down_mix_control_selector_t;
+
+/// A.9.4 - Dolby Prologic Processing Unit Control Selectors UAC1
+typedef enum
+{
+ AUDIO10_DP_CTRL_UNDEF = 0x00,
+ AUDIO10_DP_CTRL_ENABLE = 0x01,
+ AUDIO10_DP_CTRL_MODE_SELECT = 0x02,
+} audio10_dolby_prologic_control_selector_t;
+
+/// A.9.5 - 3D Stereo Extender Processing Unit Control Selectors UAC1
+typedef enum
+{
+ AUDIO10_3D_CTRL_UNDEF = 0x00,
+ AUDIO10_3D_CTRL_ENABLE = 0x01,
+ AUDIO10_3D_CTRL_SPACIOUSNESS = 0x02,
+} audio10_3d_stereo_extender_control_selector_t;
+
+/// A.9.6 - Reverberation Processing Unit Control Selectors UAC1
+typedef enum
+{
+ AUDIO10_RV_CTRL_UNDEF = 0x00,
+ AUDIO10_RV_CTRL_ENABLE = 0x01,
+ AUDIO10_RV_CTRL_REVERB_LEVEL = 0x02,
+ AUDIO10_RV_CTRL_REVERB_TIME = 0x03,
+ AUDIO10_RV_CTRL_REVERB_FEEDBACK = 0x04,
+} audio10_reverberation_control_selector_t;
+
+/// A.9.7 - Chorus Processing Unit Control Selectors UAC1
+typedef enum
+{
+ AUDIO10_CH_CTRL_UNDEF = 0x00,
+ AUDIO10_CH_CTRL_ENABLE = 0x01,
+ AUDIO10_CH_CTRL_CHORUS_LEVEL = 0x02,
+ AUDIO10_CH_CTRL_CHORUS_RATE = 0x03,
+ AUDIO10_CH_CTRL_CHORUS_DEPTH = 0x04,
+} audio10_chorus_control_selector_t;
+
+/// A.9.8 - Dynamic Range Compressor Processing Unit Control Selectors UAC1
+typedef enum
+{
+ AUDIO10_DR_CTRL_UNDEF = 0x00,
+ AUDIO10_DR_CTRL_ENABLE = 0x01,
+ AUDIO10_DR_CTRL_COMPRESSION_RATE = 0x02,
+ AUDIO10_DR_CTRL_MAXAMPL = 0x03,
+ AUDIO10_DR_CTRL_THRESHOLD = 0x04,
+ AUDIO10_DR_CTRL_ATTACK_TIME = 0x05,
+ AUDIO10_DR_CTRL_RELEASE_TIME = 0x06,
+} audio10_dynamic_range_compression_control_selector_t;
+
+/// A.9.9 - Extension Unit Control Selectors UAC1
+typedef enum
+{
+ AUDIO10_XU_CTRL_UNDEF = 0x00,
+ AUDIO10_XU_CTRL_ENABLE = 0x01,
+} audio10_extension_unit_control_selector_t;
+
+/// A.9.10 - Endpoint Control Selectors UAC1
+typedef enum
+{
+ AUDIO10_EP_CTRL_UNDEF = 0x00,
+ AUDIO10_EP_CTRL_SAMPLING_FREQ = 0x01,
+ AUDIO10_EP_CTRL_PITCH = 0x02,
+} audio10_ep_control_selector_t;
+
+/// A.1 - Audio Class-Format Type Codes UAC1
+typedef enum
+{
+ AUDIO10_FORMAT_TYPE_UNDEFINED = 0x00,
+ AUDIO10_FORMAT_TYPE_I = 0x01,
+ AUDIO10_FORMAT_TYPE_II = 0x02,
+ AUDIO10_FORMAT_TYPE_III = 0x03,
+} audio10_format_type_t;
+
+// A.1.1 - Audio Class-Audio Data Format Type I UAC1
+typedef enum
+{
+ AUDIO10_DATA_FORMAT_TYPE_I_PCM = 0x0001,
+ AUDIO10_DATA_FORMAT_TYPE_I_PCM8 = 0x0002,
+ AUDIO10_DATA_FORMAT_TYPE_I_IEEE_FLOAT = 0x0003,
+ AUDIO10_DATA_FORMAT_TYPE_I_ALAW = 0x0004,
+ AUDIO10_DATA_FORMAT_TYPE_I_MULAW = 0x0005,
+} audio10_data_format_type_I_t;
+
+// A.1.2 - Audio Class-Audio Data Format Type II UAC1
+typedef enum
+{
+ AUDIO10_DATA_FORMAT_TYPE_II_MPEG = 0x1001,
+ AUDIO10_DATA_FORMAT_TYPE_II_AC3 = 0x1002,
+} audio10_data_format_type_II_t;
+
+// A.1.3 - Audio Class-Audio Data Format Type III UAC1
+typedef enum
+{
+ AUDIO10_DATA_FORMAT_TYPE_III_IEC1937_AC3_1 = 0x2001,
+ AUDIO10_DATA_FORMAT_TYPE_III_IEC1937_MPEG1_L1_1 = 0x2002,
+ AUDIO10_DATA_FORMAT_TYPE_III_IEC1937_MPEG1_L23_1 = 0x2003,
+ AUDIO10_DATA_FORMAT_TYPE_III_IEC1937_MPEG2_EXT_1 = 0x2004,
+ AUDIO10_DATA_FORMAT_TYPE_III_IEC1937_MPEG2_L1_LS_1 = 0x2005,
+ AUDIO10_DATA_FORMAT_TYPE_III_IEC1937_MPEG2_L23_LS_1 = 0x2006,
+} audio10_data_format_type_III_t;
+
+/// Audio Class-Audio Channel Configuration UAC1 (Table A-7)
+typedef enum
+{
+ AUDIO10_CHANNEL_CONFIG_NON_PREDEFINED = 0x0000,
+ AUDIO10_CHANNEL_CONFIG_LEFT_FRONT = 0x0001,
+ AUDIO10_CHANNEL_CONFIG_RIGHT_FRONT = 0x0002,
+ AUDIO10_CHANNEL_CONFIG_CENTER_FRONT = 0x0004,
+ AUDIO10_CHANNEL_CONFIG_LOW_FRQ_EFFECTS = 0x0008,
+ AUDIO10_CHANNEL_CONFIG_LEFT_SURROUND = 0x0010,
+ AUDIO10_CHANNEL_CONFIG_RIGHT_SURROUND = 0x0020,
+ AUDIO10_CHANNEL_CONFIG_LEFT_OF_CENTER = 0x0040,
+ AUDIO10_CHANNEL_CONFIG_RIGHT_OF_CENTER = 0x0080,
+ AUDIO10_CHANNEL_CONFIG_SURROUND = 0x0100,
+ AUDIO10_CHANNEL_CONFIG_SIDE_LEFT = 0x0200,
+ AUDIO10_CHANNEL_CONFIG_SIDE_RIGHT = 0x0400,
+ AUDIO10_CHANNEL_CONFIG_TOP = 0x0800,
+} audio10_channel_config_t;
+
+
+//--------------------------------------------------------------------+
+// USB AUDIO CLASS 1.0 (UAC1) DESCRIPTORS
+//--------------------------------------------------------------------+
+
+/// AUDIO Class-Specific AC Interface Header Descriptor UAC1 (4.3.2)
+#define audio10_desc_cs_ac_interface_n_t(numInterfaces) \
+ struct TU_ATTR_PACKED { \
+ uint8_t bLength ; /* Size of this descriptor in bytes: 8+n. */\
+ uint8_t bDescriptorType ; /* Descriptor Type. Value: TUSB_DESC_CS_INTERFACE. */\
+ uint8_t bDescriptorSubType ; /* Descriptor SubType. Value: AUDIO10_CS_AC_INTERFACE_HEADER. */\
+ uint16_t bcdADC ; /* Audio Device Class Specification Release Number in Binary-Coded Decimal. Value: 0x0100 for UAC1. */\
+ uint16_t wTotalLength ; /* Total number of bytes returned for the class-specific AudioControl interface descriptor. */\
+ uint8_t bInCollection ; /* The number of AudioStreaming and MIDIStreaming interfaces in the Audio Interface Collection. */\
+ uint8_t baInterfaceNr[numInterfaces]; /* Interface number of the AudioStreaming or MIDIStreaming interface in the Collection. */\
+}
+
+/// AUDIO Input Terminal Descriptor UAC1 (4.3.2.1)
+typedef struct TU_ATTR_PACKED
+{
+ uint8_t bLength ; ///< Size of this descriptor in bytes: 12.
+ uint8_t bDescriptorType ; ///< Descriptor Type. Value: TUSB_DESC_CS_INTERFACE.
+ uint8_t bDescriptorSubType ; ///< Descriptor SubType. Value: AUDIO10_CS_AC_INTERFACE_INPUT_TERMINAL.
+ uint8_t bTerminalID ; ///< Constant uniquely identifying the Terminal within the audio function.
+ uint16_t wTerminalType ; ///< Constant characterizing the type of Terminal.
+ uint8_t bAssocTerminal ; ///< ID of the Output Terminal to which this Input Terminal is associated.
+ uint8_t bNrChannels ; ///< Number of logical output channels in the Terminal's output audio channel cluster.
+ uint16_t wChannelConfig ; ///< Describes the spatial location of the logical channels.
+ uint8_t iChannelNames ; ///< Index of a string descriptor, describing the name of the first logical channel.
+ uint8_t iTerminal ; ///< Index of a string descriptor, describing the Input Terminal.
+} audio10_desc_input_terminal_t;
+
+/// AUDIO Output Terminal Descriptor UAC1 (4.3.2.2)
+typedef struct TU_ATTR_PACKED
+{
+ uint8_t bLength ; ///< Size of this descriptor in bytes: 9.
+ uint8_t bDescriptorType ; ///< Descriptor Type. Value: TUSB_DESC_CS_INTERFACE.
+ uint8_t bDescriptorSubType ; ///< Descriptor SubType. Value: AUDIO10_CS_AC_INTERFACE_OUTPUT_TERMINAL.
+ uint8_t bTerminalID ; ///< Constant uniquely identifying the Terminal within the audio function.
+ uint16_t wTerminalType ; ///< Constant characterizing the type of Terminal.
+ uint8_t bAssocTerminal ; ///< Constant, identifying the Input Terminal to which this Output Terminal is associated.
+ uint8_t bSourceID ; ///< ID of the Unit or Terminal to which this Terminal is connected.
+ uint8_t iTerminal ; ///< Index of a string descriptor, describing the Output Terminal.
+} audio10_desc_output_terminal_t;
+
+/// AUDIO Mixer Unit Descriptor UAC1 (4.3.2.3)
+#define audio10_desc_mixer_unit_n_t(numInputPins, numControlBytes) \
+ struct TU_ATTR_PACKED { \
+ uint8_t bLength ; /* Size of this descriptor in bytes: 10+p+n. */\
+ uint8_t bDescriptorType ; /* Descriptor Type. Value: TUSB_DESC_CS_INTERFACE. */\
+ uint8_t bDescriptorSubType ; /* Descriptor SubType. Value: AUDIO10_CS_AC_INTERFACE_MIXER_UNIT. */\
+ uint8_t bUnitID ; /* Constant uniquely identifying the Unit within the audio function. */\
+ uint8_t bNrInPins ; /* Number of Input Pins of this Unit: p. */\
+ uint8_t baSourceID[numInputPins]; /* ID of the Unit or Terminal to which Input Pins of this Mixer Unit are connected. */\
+ uint8_t bNrChannels ; /* Number of logical output channels in the Mixer Unit's output audio channel cluster. */\
+ uint16_t wChannelConfig ; /* Describes the spatial location of the logical channels. */\
+ uint8_t iChannelNames ; /* Index of a string descriptor, describing the name of the first logical channel. */\
+ uint8_t bmControls[numControlBytes]; /* Mixer Unit Controls bitmap. */\
+ uint8_t iMixer ; /* Index of a string descriptor, describing the Mixer Unit. */\
+}
+
+/// AUDIO Selector Unit Descriptor UAC1 (4.3.2.4)
+#define audio10_desc_selector_unit_n_t(numInputPins) \
+ struct TU_ATTR_PACKED { \
+ uint8_t bLength ; /* Size of this descriptor in bytes: 6+p. */\
+ uint8_t bDescriptorType ; /* Descriptor Type. Value: TUSB_DESC_CS_INTERFACE. */\
+ uint8_t bDescriptorSubType ; /* Descriptor SubType. Value: AUDIO10_CS_AC_INTERFACE_SELECTOR_UNIT. */\
+ uint8_t bUnitID ; /* Constant uniquely identifying the Unit within the audio function. */\
+ uint8_t bNrInPins ; /* Number of Input Pins of this Unit: p. */\
+ uint8_t baSourceID[numInputPins]; /* ID of the Unit or Terminal to which Input Pins of this Selector Unit are connected. */\
+ uint8_t iSelector ; /* Index of a string descriptor, describing the Selector Unit. */\
+}
+
+/// AUDIO Feature Unit Descriptor UAC1 (4.3.2.5)
+#define audio10_desc_feature_unit_n_t(numChannels, controlSize) \
+ struct TU_ATTR_PACKED { \
+ uint8_t bLength ; /* Size of this descriptor in bytes: 7+(ch+1)*n. */\
+ uint8_t bDescriptorType ; /* Descriptor Type. Value: TUSB_DESC_CS_INTERFACE. */\
+ uint8_t bDescriptorSubType ; /* Descriptor SubType. Value: AUDIO10_CS_AC_INTERFACE_FEATURE_UNIT. */\
+ uint8_t bUnitID ; /* Constant uniquely identifying the Unit within the audio function. */\
+ uint8_t bSourceID ; /* ID of the Unit or Terminal to which this Feature Unit is connected. */\
+ uint8_t bControlSize ; /* Size in bytes of an element of the bmaControls() array. */\
+ uint8_t bmaControls[(numChannels+1)*controlSize]; /* Control bitmaps for master + logical channels. */\
+ uint8_t iFeature ; /* Index of a string descriptor, describing this Feature Unit. */\
+}
+
+/// AUDIO Processing Unit Descriptor UAC1 (4.3.2.6)
+#define audio10_desc_processing_unit_n_t(numInputPins, numControlBytes) \
+ struct TU_ATTR_PACKED { \
+ uint8_t bLength ; /* Size of this descriptor in bytes: 13+p+n. */\
+ uint8_t bDescriptorType ; /* Descriptor Type. Value: TUSB_DESC_CS_INTERFACE. */\
+ uint8_t bDescriptorSubType ; /* Descriptor SubType. Value: AUDIO10_CS_AC_INTERFACE_PROCESSING_UNIT. */\
+ uint8_t bUnitID ; /* Constant uniquely identifying the Unit within the audio function. */\
+ uint16_t wProcessType ; /* Constant identifying the type of processing this Unit is performing. */\
+ uint8_t bNrInPins ; /* Number of Input Pins of this Unit: p. */\
+ uint8_t baSourceID[numInputPins]; /* ID of the Unit or Terminal to which Input Pins of this Processing Unit are connected. */\
+ uint8_t bNrChannels ; /* Number of logical output channels in the Processing Unit's output audio channel cluster. */\
+ uint16_t wChannelConfig ; /* Describes the spatial location of the logical channels. */\
+ uint8_t iChannelNames ; /* Index of a string descriptor, describing the name of the first logical channel. */\
+ uint8_t bControlSize ; /* Size in bytes of the bmControls field. */\
+ uint8_t bmControls[numControlBytes]; /* Processing Unit Controls bitmap. */\
+ uint8_t iProcessing ; /* Index of a string descriptor, describing the Processing Unit. */\
+}
+
+/// AUDIO Extension Unit Descriptor UAC1 (4.3.2.7)
+#define audio10_desc_extension_unit_n_t(numInputPins, numControlBytes) \
+ struct TU_ATTR_PACKED { \
+ uint8_t bLength ; /* Size of this descriptor in bytes: 13+p+n. */\
+ uint8_t bDescriptorType ; /* Descriptor Type. Value: TUSB_DESC_CS_INTERFACE. */\
+ uint8_t bDescriptorSubType ; /* Descriptor SubType. Value: AUDIO10_CS_AC_INTERFACE_EXTENSION_UNIT. */\
+ uint8_t bUnitID ; /* Constant uniquely identifying the Unit within the audio function. */\
+ uint16_t wExtensionCode ; /* Vendor-specific code identifying the Extension Unit. */\
+ uint8_t bNrInPins ; /* Number of Input Pins of this Unit: p. */\
+ uint8_t baSourceID[numInputPins]; /* ID of the Unit or Terminal to which Input Pins of this Extension Unit are connected. */\
+ uint8_t bNrChannels ; /* Number of logical output channels in the Extension Unit's output audio channel cluster. */\
+ uint16_t wChannelConfig ; /* Describes the spatial location of the logical channels. */\
+ uint8_t iChannelNames ; /* Index of a string descriptor, describing the name of the first logical channel. */\
+ uint8_t bControlSize ; /* Size in bytes of the bmControls field. */\
+ uint8_t bmControls[numControlBytes]; /* Extension Unit Controls bitmap. */\
+ uint8_t iExtension ; /* Index of a string descriptor, describing the Extension Unit. */\
+}
+
+/// AUDIO Class-Specific AS Interface Descriptor UAC1 (4.5.2)
+typedef struct TU_ATTR_PACKED
+{
+ uint8_t bLength ; ///< Size of this descriptor in bytes: 7.
+ uint8_t bDescriptorType ; ///< Descriptor Type. Value: TUSB_DESC_CS_INTERFACE.
+ uint8_t bDescriptorSubType ; ///< Descriptor SubType. Value: AUDIO10_CS_AS_INTERFACE_AS_GENERAL.
+ uint8_t bTerminalLink ; ///< The Terminal ID of the Terminal to which the endpoint of this interface is connected.
+ uint8_t bDelay ; ///< Expressed in number of frames.
+ uint16_t wFormatTag ; ///< The Audio Data Format that has to be used to communicate with this interface.
+} audio10_desc_cs_as_interface_t;
+
+/// AUDIO Type I Format Type Descriptor UAC1 (2.2.5)
+#define audio10_desc_type_I_format_n_t(numSamFreq) \
+ struct TU_ATTR_PACKED { \
+ uint8_t bLength ; /* Size of this descriptor in bytes: 8+(ns*3). */\
+ uint8_t bDescriptorType ; /* Descriptor Type. Value: TUSB_DESC_CS_INTERFACE. */\
+ uint8_t bDescriptorSubType ; /* Descriptor SubType. Value: AUDIO10_CS_AS_INTERFACE_FORMAT_TYPE. */\
+ uint8_t bFormatType ; /* Constant identifying the Format Type the AudioStreaming interface is using. */\
+ uint8_t bNrChannels ; /* Indicates the number of physical channels in the audio data stream. */\
+ uint8_t bSubFrameSize ; /* The number of bytes occupied by one audio subframe. */\
+ uint8_t bBitResolution ; /* The number of effectively used bits from the available bits in an audio subframe. */\
+ uint8_t bSamFreqType ; /* Indicates how the sampling frequency can be programmed. */\
+ uint8_t tSamFreq[numSamFreq*3]; /* Sampling frequency or lower/upper bounds in Hz for the sampling frequency range. */\
+}
+
+/// AUDIO Type II Format Type Descriptor UAC1 (2.3.5)
+#define audio10_desc_type_II_format_n_t(numSamFreq) \
+ struct TU_ATTR_PACKED { \
+ uint8_t bLength ; /* Size of this descriptor in bytes: 9+(ns*3). */\
+ uint8_t bDescriptorType ; /* Descriptor Type. Value: TUSB_DESC_CS_INTERFACE. */\
+ uint8_t bDescriptorSubType ; /* Descriptor SubType. Value: AUDIO10_CS_AS_INTERFACE_FORMAT_TYPE. */\
+ uint8_t bFormatType ; /* Constant identifying the Format Type the AudioStreaming interface is using. */\
+ uint16_t wMaxBitRate ; /* Indicates the maximum number of bits per second this interface can handle. */\
+ uint16_t wSamplesPerFrame ; /* Indicates the number of PCM audio samples contained in one encoded audio frame. */\
+ uint8_t bSamFreqType ; /* Indicates how the sampling frequency can be programmed. */\
+ uint8_t tSamFreq[numSamFreq*3]; /* Sampling frequency or lower/upper bounds in Hz for the sampling frequency range. */\
+}
+
+/// AUDIO Type III Format Type Descriptor UAC1 (2.4.5)
+#define audio10_desc_type_III_format_n_t(numSamFreq) \
+ struct TU_ATTR_PACKED { \
+ uint8_t bLength ; /* Size of this descriptor in bytes: 8+(ns*3). */\
+ uint8_t bDescriptorType ; /* Descriptor Type. Value: TUSB_DESC_CS_INTERFACE. */\
+ uint8_t bDescriptorSubType ; /* Descriptor SubType. Value: AUDIO10_CS_AS_INTERFACE_FORMAT_TYPE. */\
+ uint8_t bFormatType ; /* Constant identifying the Format Type the AudioStreaming interface is using. */\
+ uint8_t bNrChannels ; /* Indicates the number of physical channels in the audio data stream. */\
+ uint8_t bSubFrameSize ; /* The number of bytes occupied by one audio subframe. */\
+ uint8_t bBitResolution ; /* The number of effectively used bits from the available bits in an audio subframe. */\
+ uint8_t bSamFreqType ; /* Indicates how the sampling frequency can be programmed. */\
+ uint8_t tSamFreq[numSamFreq*3]; /* Sampling frequency or lower/upper bounds in Hz for the sampling frequency range. */\
+}
+
+/// AUDIO Class-Specific AS Isochronous Audio Data Endpoint Descriptor UAC1 (4.6.1.2)
+typedef struct TU_ATTR_PACKED
+{
+ uint8_t bLength ; ///< Size of this descriptor in bytes: 7.
+ uint8_t bDescriptorType ; ///< Descriptor Type. Value: TUSB_DESC_CS_ENDPOINT.
+ uint8_t bDescriptorSubType ; ///< Descriptor SubType. Value: AUDIO10_CS_EP_SUBTYPE_GENERAL.
+ uint8_t bmAttributes ; ///< Bit 0: Sampling Frequency, Bit 1: Pitch, Bit 7: MaxPacketsOnly.
+ uint8_t bLockDelayUnits ; ///< Indicates the units used for the wLockDelay field.
+ uint16_t wLockDelay ; ///< Indicates the time it takes this endpoint to reliably lock its internal clock recovery circuitry.
+} audio10_desc_cs_as_iso_data_ep_t;
+
+/// AUDIO Interrupt Data Message Format UAC1 (3.7.1.2)
+typedef struct TU_ATTR_PACKED
+{
+ uint8_t bStatusType ; ///< Indicates the type of status information being reported.
+ uint8_t bOriginator ; ///< Indicates the entity that originated this status information.
+} audio10_interrupt_data_t;
+
+//--------------------------------------------------------------------+
+// USB AUDIO CLASS 2.0 (UAC2) DEFINITIONS
+//--------------------------------------------------------------------+
+
/// A.7 - Audio Function Category Codes
typedef enum
{
- 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,
-} audio_function_code_t;
+ AUDIO20_FUNC_UNDEF = 0x00,
+ AUDIO20_FUNC_DESKTOP_SPEAKER = 0x01,
+ AUDIO20_FUNC_HOME_THEATER = 0x02,
+ AUDIO20_FUNC_MICROPHONE = 0x03,
+ AUDIO20_FUNC_HEADSET = 0x04,
+ AUDIO20_FUNC_TELEPHONE = 0x05,
+ AUDIO20_FUNC_CONVERTER = 0x06,
+ AUDIO20_FUNC_SOUND_RECODER = 0x07,
+ AUDIO20_FUNC_IO_BOX = 0x08,
+ AUDIO20_FUNC_MUSICAL_INSTRUMENT = 0x09,
+ AUDIO20_FUNC_PRO_AUDIO = 0x0A,
+ AUDIO20_FUNC_AUDIO_VIDEO = 0x0B,
+ AUDIO20_FUNC_CONTROL_PANEL = 0x0C,
+ AUDIO20_FUNC_OTHER = 0xFF,
+} audio20_function_code_t;
/// A.9 - Audio Class-Specific AC Interface Descriptor Subtypes UAC2
typedef enum
{
- 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,
-} audio_cs_ac_interface_subtype_t;
+ AUDIO20_CS_AC_INTERFACE_AC_DESCRIPTOR_UNDEF = 0x00,
+ AUDIO20_CS_AC_INTERFACE_HEADER = 0x01,
+ AUDIO20_CS_AC_INTERFACE_INPUT_TERMINAL = 0x02,
+ AUDIO20_CS_AC_INTERFACE_OUTPUT_TERMINAL = 0x03,
+ AUDIO20_CS_AC_INTERFACE_MIXER_UNIT = 0x04,
+ AUDIO20_CS_AC_INTERFACE_SELECTOR_UNIT = 0x05,
+ AUDIO20_CS_AC_INTERFACE_FEATURE_UNIT = 0x06,
+ AUDIO20_CS_AC_INTERFACE_EFFECT_UNIT = 0x07,
+ AUDIO20_CS_AC_INTERFACE_PROCESSING_UNIT = 0x08,
+ AUDIO20_CS_AC_INTERFACE_EXTENSION_UNIT = 0x09,
+ AUDIO20_CS_AC_INTERFACE_CLOCK_SOURCE = 0x0A,
+ AUDIO20_CS_AC_INTERFACE_CLOCK_SELECTOR = 0x0B,
+ AUDIO20_CS_AC_INTERFACE_CLOCK_MULTIPLIER = 0x0C,
+ AUDIO20_CS_AC_INTERFACE_SAMPLE_RATE_CONVERTER = 0x0D,
+} audio20_cs_ac_interface_subtype_t;
/// A.10 - Audio Class-Specific AS Interface Descriptor Subtypes UAC2
typedef enum
{
- 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,
-} audio_cs_as_interface_subtype_t;
+ AUDIO20_CS_AS_INTERFACE_AS_DESCRIPTOR_UNDEF = 0x00,
+ AUDIO20_CS_AS_INTERFACE_AS_GENERAL = 0x01,
+ AUDIO20_CS_AS_INTERFACE_FORMAT_TYPE = 0x02,
+ AUDIO20_CS_AS_INTERFACE_ENCODER = 0x03,
+ AUDIO20_CS_AS_INTERFACE_DECODER = 0x04,
+} audio20_cs_as_interface_subtype_t;
/// A.11 - Effect Unit Effect Types
typedef enum
{
- 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,
-} audio_effect_unit_effect_type_t;
+ AUDIO20_EFFECT_TYPE_UNDEF = 0x00,
+ AUDIO20_EFFECT_TYPE_PARAM_EQ_SECTION = 0x01,
+ AUDIO20_EFFECT_TYPE_REVERBERATION = 0x02,
+ AUDIO20_EFFECT_TYPE_MOD_DELAY = 0x03,
+ AUDIO20_EFFECT_TYPE_DYN_RANGE_COMP = 0x04,
+} audio20_effect_unit_effect_type_t;
/// A.12 - Processing Unit Process Types
typedef enum
{
- AUDIO_PROCESS_TYPE_UNDEF = 0x00,
- AUDIO_PROCESS_TYPE_UP_DOWN_MIX = 0x01,
- AUDIO_PROCESS_TYPE_DOLBY_PROLOGIC = 0x02,
- AUDIO_PROCESS_TYPE_STEREO_EXTENDER = 0x03,
-} audio_processing_unit_process_type_t;
+ AUDIO20_PROCESS_TYPE_UNDEF = 0x00,
+ AUDIO20_PROCESS_TYPE_UP_DOWN_MIX = 0x01,
+ AUDIO20_PROCESS_TYPE_DOLBY_PROLOGIC = 0x02,
+ AUDIO20_PROCESS_TYPE_STEREO_EXTENDER = 0x03,
+} audio20_processing_unit_process_type_t;
/// A.13 - Audio Class-Specific EP Descriptor Subtypes UAC2
typedef enum
{
- AUDIO_CS_EP_SUBTYPE_UNDEF = 0x00,
- AUDIO_CS_EP_SUBTYPE_GENERAL = 0x01,
-} audio_cs_ep_subtype_t;
+ AUDIO20_CS_EP_SUBTYPE_UNDEF = 0x00,
+ AUDIO20_CS_EP_SUBTYPE_GENERAL = 0x01,
+} audio20_cs_ep_subtype_t;
-/// A.14 - Audio Class-Specific Request Codes
+/// A.14 - Audio Class-Specific Request Codes UAC2
typedef enum
{
- AUDIO_CS_REQ_UNDEF = 0x00,
- AUDIO_CS_REQ_CUR = 0x01,
- AUDIO_CS_REQ_RANGE = 0x02,
- AUDIO_CS_REQ_MEM = 0x03,
-} audio_cs_req_t;
+ AUDIO20_CS_REQ_UNDEF = 0x00,
+ AUDIO20_CS_REQ_CUR = 0x01,
+ AUDIO20_CS_REQ_RANGE = 0x02,
+ AUDIO20_CS_REQ_MEM = 0x03,
+} audio20_cs_req_t;
-/// A.17 - Control Selector Codes
+/// A.17 - Control Selector Codes UAC2
/// A.17.1 - Clock Source Control Selectors
typedef enum
{
- AUDIO_CS_CTRL_UNDEF = 0x00,
- AUDIO_CS_CTRL_SAM_FREQ = 0x01,
- AUDIO_CS_CTRL_CLK_VALID = 0x02,
-} audio_clock_src_control_selector_t;
+ AUDIO20_CS_CTRL_UNDEF = 0x00,
+ AUDIO20_CS_CTRL_SAM_FREQ = 0x01,
+ AUDIO20_CS_CTRL_CLK_VALID = 0x02,
+} audio20_clock_src_control_selector_t;
/// A.17.2 - Clock Selector Control Selectors
typedef enum
{
- AUDIO_CX_CTRL_UNDEF = 0x00,
- AUDIO_CX_CTRL_CONTROL = 0x01,
-} audio_clock_sel_control_selector_t;
+ AUDIO20_CX_CTRL_UNDEF = 0x00,
+ AUDIO20_CX_CTRL_CONTROL = 0x01,
+} audio20_clock_sel_control_selector_t;
/// A.17.3 - Clock Multiplier Control Selectors
typedef enum
{
- AUDIO_CM_CTRL_UNDEF = 0x00,
- AUDIO_CM_CTRL_NUMERATOR_CONTROL = 0x01,
- AUDIO_CM_CTRL_DENOMINATOR_CONTROL = 0x02,
-} audio_clock_mul_control_selector_t;
+ AUDIO20_CM_CTRL_UNDEF = 0x00,
+ AUDIO20_CM_CTRL_NUMERATOR_CONTROL = 0x01,
+ AUDIO20_CM_CTRL_DENOMINATOR_CONTROL = 0x02,
+} audio20_clock_mul_control_selector_t;
-/// A.17.4 - Terminal Control Selectors
+/// A.17.4 - Terminal Control Selectors UAC2
typedef enum
{
- 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,
-} audio_terminal_control_selector_t;
+ AUDIO20_TE_CTRL_UNDEF = 0x00,
+ AUDIO20_TE_CTRL_COPY_PROTECT = 0x01,
+ AUDIO20_TE_CTRL_CONNECTOR = 0x02,
+ AUDIO20_TE_CTRL_OVERLOAD = 0x03,
+ AUDIO20_TE_CTRL_CLUSTER = 0x04,
+ AUDIO20_TE_CTRL_UNDERFLOW = 0x05,
+ AUDIO20_TE_CTRL_OVERFLOW = 0x06,
+ AUDIO20_TE_CTRL_LATENCY = 0x07,
+} audio20_terminal_control_selector_t;
/// A.17.5 - Mixer Control Selectors
typedef enum
{
- 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,
-} audio_mixer_control_selector_t;
+ AUDIO20_MU_CTRL_UNDEF = 0x00,
+ AUDIO20_MU_CTRL_MIXER = 0x01,
+ AUDIO20_MU_CTRL_CLUSTER = 0x02,
+ AUDIO20_MU_CTRL_UNDERFLOW = 0x03,
+ AUDIO20_MU_CTRL_OVERFLOW = 0x04,
+ AUDIO20_MU_CTRL_LATENCY = 0x05,
+} audio20_mixer_control_selector_t;
/// A.17.6 - Selector Control Selectors
typedef enum
{
- AUDIO_SU_CTRL_UNDEF = 0x00,
- AUDIO_SU_CTRL_SELECTOR = 0x01,
- AUDIO_SU_CTRL_LATENCY = 0x02,
-} audio_sel_control_selector_t;
+ AUDIO20_SU_CTRL_UNDEF = 0x00,
+ AUDIO20_SU_CTRL_SELECTOR = 0x01,
+ AUDIO20_SU_CTRL_LATENCY = 0x02,
+} audio20_sel_control_selector_t;
-/// A.17.7 - Feature Unit Control Selectors
+/// A.17.7 - Feature Unit Control Selectors UAC2
typedef enum
{
- 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,
-} audio_feature_unit_control_selector_t;
+ AUDIO20_FU_CTRL_UNDEF = 0x00,
+ AUDIO20_FU_CTRL_MUTE = 0x01,
+ AUDIO20_FU_CTRL_VOLUME = 0x02,
+ AUDIO20_FU_CTRL_BASS = 0x03,
+ AUDIO20_FU_CTRL_MID = 0x04,
+ AUDIO20_FU_CTRL_TREBLE = 0x05,
+ AUDIO20_FU_CTRL_GRAPHIC_EQUALIZER = 0x06,
+ AUDIO20_FU_CTRL_AGC = 0x07,
+ AUDIO20_FU_CTRL_DELAY = 0x08,
+ AUDIO20_FU_CTRL_BASS_BOOST = 0x09,
+ AUDIO20_FU_CTRL_LOUDNESS = 0x0A,
+ AUDIO20_FU_CTRL_INPUT_GAIN = 0x0B,
+ AUDIO20_FU_CTRL_GAIN_PAD = 0x0C,
+ AUDIO20_FU_CTRL_INVERTER = 0x0D,
+ AUDIO20_FU_CTRL_UNDERFLOW = 0x0E,
+ AUDIO20_FU_CTRL_OVERVLOW = 0x0F,
+ AUDIO20_FU_CTRL_LATENCY = 0x10,
+} audio20_feature_unit_control_selector_t;
/// A.17.8 Effect Unit Control Selectors
/// A.17.8.1 Parametric Equalizer Section Effect Unit Control Selectors
typedef enum
{
- 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,
-} audio_parametric_equalizer_control_selector_t;
+ AUDIO20_PE_CTRL_UNDEF = 0x00,
+ AUDIO20_PE_CTRL_ENABLE = 0x01,
+ AUDIO20_PE_CTRL_CENTERFREQ = 0x02,
+ AUDIO20_PE_CTRL_QFACTOR = 0x03,
+ AUDIO20_PE_CTRL_GAIN = 0x04,
+ AUDIO20_PE_CTRL_UNDERFLOW = 0x05,
+ AUDIO20_PE_CTRL_OVERFLOW = 0x06,
+ AUDIO20_PE_CTRL_LATENCY = 0x07,
+} audio20_parametric_equalizer_control_selector_t;
/// A.17.8.2 Reverberation Effect Unit Control Selectors
typedef enum
{
- 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,
-} audio_reverberation_effect_control_selector_t;
+ AUDIO20_RV_CTRL_UNDEF = 0x00,
+ AUDIO20_RV_CTRL_ENABLE = 0x01,
+ AUDIO20_RV_CTRL_TYPE = 0x02,
+ AUDIO20_RV_CTRL_LEVEL = 0x03,
+ AUDIO20_RV_CTRL_TIME = 0x04,
+ AUDIO20_RV_CTRL_FEEDBACK = 0x05,
+ AUDIO20_RV_CTRL_PREDELAY = 0x06,
+ AUDIO20_RV_CTRL_DENSITY = 0x07,
+ AUDIO20_RV_CTRL_HIFREQ_ROLLOFF = 0x08,
+ AUDIO20_RV_CTRL_UNDERFLOW = 0x09,
+ AUDIO20_RV_CTRL_OVERFLOW = 0x0A,
+ AUDIO20_RV_CTRL_LATENCY = 0x0B,
+} audio20_reverberation_effect_control_selector_t;
/// A.17.8.3 Modulation Delay Effect Unit Control Selectors
typedef enum
{
- 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,
-} audio_modulation_delay_control_selector_t;
+ AUDIO20_MD_CTRL_UNDEF = 0x00,
+ AUDIO20_MD_CTRL_ENABLE = 0x01,
+ AUDIO20_MD_CTRL_BALANCE = 0x02,
+ AUDIO20_MD_CTRL_RATE = 0x03,
+ AUDIO20_MD_CTRL_DEPTH = 0x04,
+ AUDIO20_MD_CTRL_TIME = 0x05,
+ AUDIO20_MD_CTRL_FEEDBACK = 0x06,
+ AUDIO20_MD_CTRL_UNDERFLOW = 0x07,
+ AUDIO20_MD_CTRL_OVERFLOW = 0x08,
+ AUDIO20_MD_CTRL_LATENCY = 0x09,
+} audio20_modulation_delay_control_selector_t;
/// A.17.8.4 Dynamic Range Compressor Effect Unit Control Selectors
typedef enum
{
- 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,
-} audio_dynamic_range_compression_control_selector_t;
+ AUDIO20_DR_CTRL_UNDEF = 0x00,
+ AUDIO20_DR_CTRL_ENABLE = 0x01,
+ AUDIO20_DR_CTRL_COMPRESSION_RATE = 0x02,
+ AUDIO20_DR_CTRL_MAXAMPL = 0x03,
+ AUDIO20_DR_CTRL_THRESHOLD = 0x04,
+ AUDIO20_DR_CTRL_ATTACK_TIME = 0x05,
+ AUDIO20_DR_CTRL_RELEASE_TIME = 0x06,
+ AUDIO20_DR_CTRL_UNDERFLOW = 0x07,
+ AUDIO20_DR_CTRL_OVERFLOW = 0x08,
+ AUDIO20_DR_CTRL_LATENCY = 0x09,
+} audio20_dynamic_range_compression_control_selector_t;
/// A.17.9 Processing Unit Control Selectors
/// A.17.9.1 Up/Down-mix Processing Unit Control Selectors
typedef enum
{
- 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,
-} audio_up_down_mix_control_selector_t;
+ AUDIO20_UD_CTRL_UNDEF = 0x00,
+ AUDIO20_UD_CTRL_ENABLE = 0x01,
+ AUDIO20_UD_CTRL_MODE_SELECT = 0x02,
+ AUDIO20_UD_CTRL_CLUSTER = 0x03,
+ AUDIO20_UD_CTRL_UNDERFLOW = 0x04,
+ AUDIO20_UD_CTRL_OVERFLOW = 0x05,
+ AUDIO20_UD_CTRL_LATENCY = 0x06,
+} audio20_up_down_mix_control_selector_t;
/// A.17.9.2 Dolby Prologic â„¢ Processing Unit Control Selectors
typedef enum
{
- 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,
-} audio_dolby_prologic_control_selector_t;
+ AUDIO20_DP_CTRL_UNDEF = 0x00,
+ AUDIO20_DP_CTRL_ENABLE = 0x01,
+ AUDIO20_DP_CTRL_MODE_SELECT = 0x02,
+ AUDIO20_DP_CTRL_CLUSTER = 0x03,
+ AUDIO20_DP_CTRL_UNDERFLOW = 0x04,
+ AUDIO20_DP_CTRL_OVERFLOW = 0x05,
+ AUDIO20_DP_CTRL_LATENCY = 0x06,
+} audio20_dolby_prologic_control_selector_t;
/// A.17.9.3 Stereo Extender Processing Unit Control Selectors
typedef enum
{
- 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,
-} audio_stereo_extender_control_selector_t;
+ AUDIO20_ST_EXT_CTRL_UNDEF = 0x00,
+ AUDIO20_ST_EXT_CTRL_ENABLE = 0x01,
+ AUDIO20_ST_EXT_CTRL_WIDTH = 0x02,
+ AUDIO20_ST_EXT_CTRL_UNDERFLOW = 0x03,
+ AUDIO20_ST_EXT_CTRL_OVERFLOW = 0x04,
+ AUDIO20_ST_EXT_CTRL_LATENCY = 0x05,
+} audio20_stereo_extender_control_selector_t;
/// A.17.10 Extension Unit Control Selectors
typedef enum
{
- 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,
-} audio_extension_unit_control_selector_t;
+ AUDIO20_XU_CTRL_UNDEF = 0x00,
+ AUDIO20_XU_CTRL_ENABLE = 0x01,
+ AUDIO20_XU_CTRL_CLUSTER = 0x02,
+ AUDIO20_XU_CTRL_UNDERFLOW = 0x03,
+ AUDIO20_XU_CTRL_OVERFLOW = 0x04,
+ AUDIO20_XU_CTRL_LATENCY = 0x05,
+} audio20_extension_unit_control_selector_t;
/// A.17.11 AudioStreaming Interface Control Selectors
typedef enum
{
- 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,
-} audio_audiostreaming_interface_control_selector_t;
+ AUDIO20_AS_CTRL_UNDEF = 0x00,
+ AUDIO20_AS_CTRL_ACT_ALT_SETTING = 0x01,
+ AUDIO20_AS_CTRL_VAL_ALT_SETTINGS = 0x02,
+ AUDIO20_AS_CTRL_AUDIO_DATA_FORMAT = 0x03,
+} audio20_audiostreaming_interface_control_selector_t;
/// A.17.12 Encoder Control Selectors
typedef enum
{
- 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,
-} audio_encoder_control_selector_t;
+ AUDIO20_EN_CTRL_UNDEF = 0x00,
+ AUDIO20_EN_CTRL_BIT_RATE = 0x01,
+ AUDIO20_EN_CTRL_QUALITY = 0x02,
+ AUDIO20_EN_CTRL_VBR = 0x03,
+ AUDIO20_EN_CTRL_TYPE = 0x04,
+ AUDIO20_EN_CTRL_UNDERFLOW = 0x05,
+ AUDIO20_EN_CTRL_OVERFLOW = 0x06,
+ AUDIO20_EN_CTRL_ENCODER_ERROR = 0x07,
+ AUDIO20_EN_CTRL_PARAM1 = 0x08,
+ AUDIO20_EN_CTRL_PARAM2 = 0x09,
+ AUDIO20_EN_CTRL_PARAM3 = 0x0A,
+ AUDIO20_EN_CTRL_PARAM4 = 0x0B,
+ AUDIO20_EN_CTRL_PARAM5 = 0x0C,
+ AUDIO20_EN_CTRL_PARAM6 = 0x0D,
+ AUDIO20_EN_CTRL_PARAM7 = 0x0E,
+ AUDIO20_EN_CTRL_PARAM8 = 0x0F,
+} audio20_encoder_control_selector_t;
/// A.17.13 Decoder Control Selectors
/// A.17.13.1 MPEG Decoder Control Selectors
typedef enum
{
- 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,
-} audio_MPEG_decoder_control_selector_t;
+ AUDIO20_MPD_CTRL_UNDEF = 0x00,
+ AUDIO20_MPD_CTRL_DUAL_CHANNEL = 0x01,
+ AUDIO20_MPD_CTRL_SECOND_STEREO = 0x02,
+ AUDIO20_MPD_CTRL_MULTILINGUAL = 0x03,
+ AUDIO20_MPD_CTRL_DYN_RANGE = 0x04,
+ AUDIO20_MPD_CTRL_SCALING = 0x05,
+ AUDIO20_MPD_CTRL_HILO_SCALING = 0x06,
+ AUDIO20_MPD_CTRL_UNDERFLOW = 0x07,
+ AUDIO20_MPD_CTRL_OVERFLOW = 0x08,
+ AUDIO20_MPD_CTRL_DECODER_ERROR = 0x09,
+} audio20_MPEG_decoder_control_selector_t;
/// A.17.13.2 AC-3 Decoder Control Selectors
typedef enum
{
- 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,
-} audio_AC3_decoder_control_selector_t;
+ AUDIO20_AD_CTRL_UNDEF = 0x00,
+ AUDIO20_AD_CTRL_MODE = 0x01,
+ AUDIO20_AD_CTRL_DYN_RANGE = 0x02,
+ AUDIO20_AD_CTRL_SCALING = 0x03,
+ AUDIO20_AD_CTRL_HILO_SCALING = 0x04,
+ AUDIO20_AD_CTRL_UNDERFLOW = 0x05,
+ AUDIO20_AD_CTRL_OVERFLOW = 0x06,
+ AUDIO20_AD_CTRL_DECODER_ERROR = 0x07,
+} audio20_AC3_decoder_control_selector_t;
/// A.17.13.3 WMA Decoder Control Selectors
typedef enum
{
- AUDIO_WD_CTRL_UNDEF = 0x00,
- AUDIO_WD_CTRL_UNDERFLOW = 0x01,
- AUDIO_WD_CTRL_OVERFLOW = 0x02,
- AUDIO_WD_CTRL_DECODER_ERROR = 0x03,
-} audio_WMA_decoder_control_selector_t;
+ AUDIO20_WD_CTRL_UNDEF = 0x00,
+ AUDIO20_WD_CTRL_UNDERFLOW = 0x01,
+ AUDIO20_WD_CTRL_OVERFLOW = 0x02,
+ AUDIO20_WD_CTRL_DECODER_ERROR = 0x03,
+} audio20_WMA_decoder_control_selector_t;
/// A.17.13.4 DTS Decoder Control Selectors
typedef enum
{
- AUDIO_DD_CTRL_UNDEF = 0x00,
- AUDIO_DD_CTRL_UNDERFLOW = 0x01,
- AUDIO_DD_CTRL_OVERFLOW = 0x02,
- AUDIO_DD_CTRL_DECODER_ERROR = 0x03,
-} audio_DTS_decoder_control_selector_t;
+ AUDIO20_DD_CTRL_UNDEF = 0x00,
+ AUDIO20_DD_CTRL_UNDERFLOW = 0x01,
+ AUDIO20_DD_CTRL_OVERFLOW = 0x02,
+ AUDIO20_DD_CTRL_DECODER_ERROR = 0x03,
+} audio20_DTS_decoder_control_selector_t;
/// A.17.14 Endpoint Control Selectors
typedef enum
{
- AUDIO_EP_CTRL_UNDEF = 0x00,
- AUDIO_EP_CTRL_PITCH = 0x01,
- AUDIO_EP_CTRL_DATA_OVERRUN = 0x02,
- AUDIO_EP_CTRL_DATA_UNDERRUN = 0x03,
-} audio_EP_control_selector_t;
+ AUDIO20_EP_CTRL_UNDEF = 0x00,
+ AUDIO20_EP_CTRL_PITCH = 0x01,
+ AUDIO20_EP_CTRL_DATA_OVERRUN = 0x02,
+ AUDIO20_EP_CTRL_DATA_UNDERRUN = 0x03,
+} audio20_EP_control_selector_t;
/// Terminal Types
/// 2.1 - Audio Class-Terminal Types UAC2
typedef enum
{
- AUDIO_TERM_TYPE_USB_UNDEFINED = 0x0100,
- AUDIO_TERM_TYPE_USB_STREAMING = 0x0101,
- AUDIO_TERM_TYPE_USB_VENDOR_SPEC = 0x01FF,
-} audio_terminal_type_t;
+ AUDIO20_TERM_TYPE_USB_UNDEFINED = 0x0100,
+ AUDIO20_TERM_TYPE_USB_STREAMING = 0x0101,
+ AUDIO20_TERM_TYPE_USB_VENDOR_SPEC = 0x01FF,
+} audio20_terminal_type_t;
/// 2.2 - Audio Class-Input Terminal Types UAC2
typedef enum
{
- 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,
-} audio_terminal_input_type_t;
+ AUDIO20_TERM_TYPE_IN_UNDEFINED = 0x0200,
+ AUDIO20_TERM_TYPE_IN_GENERIC_MIC = 0x0201,
+ AUDIO20_TERM_TYPE_IN_DESKTOP_MIC = 0x0202,
+ AUDIO20_TERM_TYPE_IN_PERSONAL_MIC = 0x0203,
+ AUDIO20_TERM_TYPE_IN_OMNI_MIC = 0x0204,
+ AUDIO20_TERM_TYPE_IN_ARRAY_MIC = 0x0205,
+ AUDIO20_TERM_TYPE_IN_PROC_ARRAY_MIC = 0x0206,
+} audio20_terminal_input_type_t;
/// 2.3 - Audio Class-Output Terminal Types UAC2
typedef enum
{
- 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,
-} audio_terminal_output_type_t;
+ AUDIO20_TERM_TYPE_OUT_UNDEFINED = 0x0300,
+ AUDIO20_TERM_TYPE_OUT_GENERIC_SPEAKER = 0x0301,
+ AUDIO20_TERM_TYPE_OUT_HEADPHONES = 0x0302,
+ AUDIO20_TERM_TYPE_OUT_HEAD_MNT_DISP_AUIDO = 0x0303,
+ AUDIO20_TERM_TYPE_OUT_DESKTOP_SPEAKER = 0x0304,
+ AUDIO20_TERM_TYPE_OUT_ROOM_SPEAKER = 0x0305,
+ AUDIO20_TERM_TYPE_OUT_COMMUNICATION_SPEAKER = 0x0306,
+ AUDIO20_TERM_TYPE_OUT_LOW_FRQ_EFFECTS_SPEAKER = 0x0307,
+} audio20_terminal_output_type_t;
/// Rest is yet to be implemented
@@ -471,226 +870,230 @@ typedef enum
/// A.1 - Audio Class-Format Type Codes UAC2
typedef enum
{
- 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,
-} audio_format_type_t;
+ AUDIO20_FORMAT_TYPE_UNDEFINED = 0x00,
+ AUDIO20_FORMAT_TYPE_I = 0x01,
+ AUDIO20_FORMAT_TYPE_II = 0x02,
+ AUDIO20_FORMAT_TYPE_III = 0x03,
+ AUDIO20_FORMAT_TYPE_IV = 0x04,
+ AUDIO20_EXT_FORMAT_TYPE_I = 0x81,
+ AUDIO20_EXT_FORMAT_TYPE_II = 0x82,
+ AUDIO20_EXT_FORMAT_TYPE_III = 0x83,
+} audio20_format_type_t;
// A.2.1 - Audio Class-Audio Data Format Type I UAC2
typedef enum
{
- 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 = 0x80000000u,
-} audio_data_format_type_I_t;
+ AUDIO20_DATA_FORMAT_TYPE_I_PCM = (uint32_t) (1 << 0),
+ AUDIO20_DATA_FORMAT_TYPE_I_PCM8 = (uint32_t) (1 << 1),
+ AUDIO20_DATA_FORMAT_TYPE_I_IEEE_FLOAT = (uint32_t) (1 << 2),
+ AUDIO20_DATA_FORMAT_TYPE_I_ALAW = (uint32_t) (1 << 3),
+ AUDIO20_DATA_FORMAT_TYPE_I_MULAW = (uint32_t) (1 << 4),
+ AUDIO20_DATA_FORMAT_TYPE_I_RAW_DATA = 0x80000000u,
+} audio20_data_format_type_I_t;
+
+/// Audio Class-Audio Channel Configuration UAC2 (Table A-11)
+typedef enum
+{
+ AUDIO20_CHANNEL_CONFIG_NON_PREDEFINED = 0x00000000,
+ AUDIO20_CHANNEL_CONFIG_FRONT_LEFT = 0x00000001,
+ AUDIO20_CHANNEL_CONFIG_FRONT_RIGHT = 0x00000002,
+ AUDIO20_CHANNEL_CONFIG_FRONT_CENTER = 0x00000004,
+ AUDIO20_CHANNEL_CONFIG_LOW_FRQ_EFFECTS = 0x00000008,
+ AUDIO20_CHANNEL_CONFIG_BACK_LEFT = 0x00000010,
+ AUDIO20_CHANNEL_CONFIG_BACK_RIGHT = 0x00000020,
+ AUDIO20_CHANNEL_CONFIG_FRONT_LEFT_OF_CENTER = 0x00000040,
+ AUDIO20_CHANNEL_CONFIG_FRONT_RIGHT_OF_CENTER = 0x00000080,
+ AUDIO20_CHANNEL_CONFIG_BACK_CENTER = 0x00000100,
+ AUDIO20_CHANNEL_CONFIG_SIDE_LEFT = 0x00000200,
+ AUDIO20_CHANNEL_CONFIG_SIDE_RIGHT = 0x00000400,
+ AUDIO20_CHANNEL_CONFIG_TOP_CENTER = 0x00000800,
+ AUDIO20_CHANNEL_CONFIG_TOP_FRONT_LEFT = 0x00001000,
+ AUDIO20_CHANNEL_CONFIG_TOP_FRONT_CENTER = 0x00002000,
+ AUDIO20_CHANNEL_CONFIG_TOP_FRONT_RIGHT = 0x00004000,
+ AUDIO20_CHANNEL_CONFIG_TOP_BACK_LEFT = 0x00008000,
+ AUDIO20_CHANNEL_CONFIG_TOP_BACK_CENTER = 0x00010000,
+ AUDIO20_CHANNEL_CONFIG_TOP_BACK_RIGHT = 0x00020000,
+ AUDIO20_CHANNEL_CONFIG_TOP_FRONT_LEFT_OF_CENTER = 0x00040000,
+ AUDIO20_CHANNEL_CONFIG_TOP_FRONT_RIGHT_OF_CENTER = 0x00080000,
+ AUDIO20_CHANNEL_CONFIG_LEFT_LOW_FRQ_EFFECTS = 0x00100000,
+ AUDIO20_CHANNEL_CONFIG_RIGHT_LOW_FRQ_EFFECTS = 0x00200000,
+ AUDIO20_CHANNEL_CONFIG_TOP_SIDE_LEFT = 0x00400000,
+ AUDIO20_CHANNEL_CONFIG_TOP_SIDE_RIGHT = 0x00800000,
+ AUDIO20_CHANNEL_CONFIG_BOTTOM_CENTER = 0x01000000,
+ AUDIO20_CHANNEL_CONFIG_BACK_LEFT_OF_CENTER = 0x02000000,
+ AUDIO20_CHANNEL_CONFIG_BACK_RIGHT_OF_CENTER = 0x04000000,
+ AUDIO20_CHANNEL_CONFIG_RAW_DATA = 0x80000000,
+} audio20_channel_config_t;
/// All remaining definitions are taken from the descriptor descriptions in the UAC2 main specification
/// Audio Class-Control Values UAC2
typedef enum
{
- AUDIO_CTRL_NONE = 0x00, ///< No Host access
- AUDIO_CTRL_R = 0x01, ///< Host read access only
- AUDIO_CTRL_RW = 0x03, ///< Host read write access
-} audio_control_t;
+ AUDIO20_CTRL_NONE = 0x00, ///< No Host access
+ AUDIO20_CTRL_R = 0x01, ///< Host read access only
+ AUDIO20_CTRL_RW = 0x03, ///< Host read write access
+} audio20_control_t;
/// Audio Class-Specific AC Interface Descriptor Controls UAC2
typedef enum
{
- AUDIO_CS_AS_INTERFACE_CTRL_LATENCY_POS = 0,
-} audio_cs_ac_interface_control_pos_t;
+ AUDIO20_CS_AS_INTERFACE_CTRL_LATENCY_POS = 0,
+} audio20_cs_ac_interface_control_pos_t;
/// Audio Class-Specific AS Interface Descriptor Controls UAC2
typedef enum
{
- AUDIO_CS_AS_INTERFACE_CTRL_ACTIVE_ALT_SET_POS = 0,
- AUDIO_CS_AS_INTERFACE_CTRL_VALID_ALT_SET_POS = 2,
-} audio_cs_as_interface_control_pos_t;
+ AUDIO20_CS_AS_INTERFACE_CTRL_ACTIVE_ALT_SET_POS = 0,
+ AUDIO20_CS_AS_INTERFACE_CTRL_VALID_ALT_SET_POS = 2,
+} audio20_cs_as_interface_control_pos_t;
/// Audio Class-Specific AS Isochronous Data EP Attributes UAC2
typedef enum
{
- AUDIO_CS_AS_ISO_DATA_EP_ATT_MAX_PACKETS_ONLY = 0x80,
- AUDIO_CS_AS_ISO_DATA_EP_ATT_NON_MAX_PACKETS_OK = 0x00,
-} audio_cs_as_iso_data_ep_attribute_t;
+ AUDIO20_CS_AS_ISO_DATA_EP_ATT_MAX_PACKETS_ONLY = 0x80,
+ AUDIO20_CS_AS_ISO_DATA_EP_ATT_NON_MAX_PACKETS_OK = 0x00,
+} audio20_cs_as_iso_data_ep_attribute_t;
/// Audio Class-Specific AS Isochronous Data EP Controls UAC2
typedef enum
{
- 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_cs_as_iso_data_ep_control_pos_t;
+ AUDIO20_CS_AS_ISO_DATA_EP_CTRL_PITCH_POS = 0,
+ AUDIO20_CS_AS_ISO_DATA_EP_CTRL_DATA_OVERRUN_POS = 2,
+ AUDIO20_CS_AS_ISO_DATA_EP_CTRL_DATA_UNDERRUN_POS = 4,
+} audio20_cs_as_iso_data_ep_control_pos_t;
/// Audio Class-Specific AS Isochronous Data EP Lock Delay Units UAC2
typedef enum
{
- 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_cs_as_iso_data_ep_lock_delay_unit_t;
+ AUDIO20_CS_AS_ISO_DATA_EP_LOCK_DELAY_UNIT_UNDEFINED = 0x00,
+ AUDIO20_CS_AS_ISO_DATA_EP_LOCK_DELAY_UNIT_MILLISEC = 0x01,
+ AUDIO20_CS_AS_ISO_DATA_EP_LOCK_DELAY_UNIT_PCM_SAMPLES = 0x02,
+} audio20_cs_as_iso_data_ep_lock_delay_unit_t;
/// Audio Class-Clock Source Attributes UAC2
typedef enum
{
- 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_clock_source_attribute_t;
+ AUDIO20_CLOCK_SOURCE_ATT_EXT_CLK = 0x00,
+ AUDIO20_CLOCK_SOURCE_ATT_INT_FIX_CLK = 0x01,
+ AUDIO20_CLOCK_SOURCE_ATT_INT_VAR_CLK = 0x02,
+ AUDIO20_CLOCK_SOURCE_ATT_INT_PRO_CLK = 0x03,
+ AUDIO20_CLOCK_SOURCE_ATT_CLK_SYC_SOF = 0x04,
+} audio20_clock_source_attribute_t;
/// Audio Class-Clock Source Controls UAC2
typedef enum
{
- AUDIO_CLOCK_SOURCE_CTRL_CLK_FRQ_POS = 0,
- AUDIO_CLOCK_SOURCE_CTRL_CLK_VAL_POS = 2,
-} audio_clock_source_control_pos_t;
+ AUDIO20_CLOCK_SOURCE_CTRL_CLK_FRQ_POS = 0,
+ AUDIO20_CLOCK_SOURCE_CTRL_CLK_VAL_POS = 2,
+} audio20_clock_source_control_pos_t;
/// Audio Class-Clock Selector Controls UAC2
typedef enum
{
- AUDIO_CLOCK_SELECTOR_CTRL_POS = 0,
-} audio_clock_selector_control_pos_t;
+ AUDIO20_CLOCK_SELECTOR_CTRL_POS = 0,
+} audio20_clock_selector_control_pos_t;
/// Audio Class-Clock Multiplier Controls UAC2
typedef enum
{
- AUDIO_CLOCK_MULTIPLIER_CTRL_NUMERATOR_POS = 0,
- AUDIO_CLOCK_MULTIPLIER_CTRL_DENOMINATOR_POS = 2,
-} audio_clock_multiplier_control_pos_t;
+ AUDIO20_CLOCK_MULTIPLIER_CTRL_NUMERATOR_POS = 0,
+ AUDIO20_CLOCK_MULTIPLIER_CTRL_DENOMINATOR_POS = 2,
+} audio20_clock_multiplier_control_pos_t;
/// Audio Class-Input Terminal Controls UAC2
typedef enum
{
- 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_terminal_input_control_pos_t;
+ AUDIO20_IN_TERM_CTRL_CPY_PROT_POS = 0,
+ AUDIO20_IN_TERM_CTRL_CONNECTOR_POS = 2,
+ AUDIO20_IN_TERM_CTRL_OVERLOAD_POS = 4,
+ AUDIO20_IN_TERM_CTRL_CLUSTER_POS = 6,
+ AUDIO20_IN_TERM_CTRL_UNDERFLOW_POS = 8,
+ AUDIO20_IN_TERM_CTRL_OVERFLOW_POS = 10,
+} audio20_terminal_input_control_pos_t;
/// Audio Class-Output Terminal Controls UAC2
typedef enum
{
- 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_terminal_output_control_pos_t;
+ AUDIO20_OUT_TERM_CTRL_CPY_PROT_POS = 0,
+ AUDIO20_OUT_TERM_CTRL_CONNECTOR_POS = 2,
+ AUDIO20_OUT_TERM_CTRL_OVERLOAD_POS = 4,
+ AUDIO20_OUT_TERM_CTRL_UNDERFLOW_POS = 6,
+ AUDIO20_OUT_TERM_CTRL_OVERFLOW_POS = 8,
+} audio20_terminal_output_control_pos_t;
/// Audio Class-Feature Unit Controls UAC2
typedef enum
{
- 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_feature_unit_control_pos_t;
+ AUDIO20_FEATURE_UNIT_CTRL_MUTE_POS = 0,
+ AUDIO20_FEATURE_UNIT_CTRL_VOLUME_POS = 2,
+ AUDIO20_FEATURE_UNIT_CTRL_BASS_POS = 4,
+ AUDIO20_FEATURE_UNIT_CTRL_MID_POS = 6,
+ AUDIO20_FEATURE_UNIT_CTRL_TREBLE_POS = 8,
+ AUDIO20_FEATURE_UNIT_CTRL_GRAPHIC_EQU_POS = 10,
+ AUDIO20_FEATURE_UNIT_CTRL_AGC_POS = 12,
+ AUDIO20_FEATURE_UNIT_CTRL_DELAY_POS = 14,
+ AUDIO20_FEATURE_UNIT_CTRL_BASS_BOOST_POS = 16,
+ AUDIO20_FEATURE_UNIT_CTRL_LOUDNESS_POS = 18,
+ AUDIO20_FEATURE_UNIT_CTRL_INPUT_GAIN_POS = 20,
+ AUDIO20_FEATURE_UNIT_CTRL_INPUT_GAIN_PAD_POS = 22,
+ AUDIO20_FEATURE_UNIT_CTRL_PHASE_INV_POS = 24,
+ AUDIO20_FEATURE_UNIT_CTRL_UNDERFLOW_POS = 26,
+ AUDIO20_FEATURE_UNIT_CTRL_OVERFLOW_POS = 28,
+} audio20_feature_unit_control_pos_t;
-/// Audio Class-Audio Channel Configuration UAC2
-typedef enum
-{
- 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 = 0x80000000u,
-} audio_channel_config_t;
+//--------------------------------------------------------------------+
+// USB AUDIO CLASS 2.0 (UAC2) DESCRIPTORS
+//--------------------------------------------------------------------+
-/// AUDIO Channel Cluster Descriptor (4.1)
+/// AUDIO Channel Cluster Descriptor UAC2 (4.1)
typedef struct TU_ATTR_PACKED {
uint8_t bNrChannels; ///< Number of channels currently connected.
- audio_channel_config_t bmChannelConfig; ///< Bitmap according to 'audio_channel_config_t' with a 1 set if channel is connected and 0 else. In case channels are non-predefined ignore them here (see UAC2 specification 4.1 Audio Channel Cluster Descriptor.
+ audio20_channel_config_t bmChannelConfig; ///< Bitmap according to 'audio20_channel_config_t' with a 1 set if channel is connected and 0 else. In case channels are non-predefined ignore them here (see UAC2 specification 4.1 Audio Channel Cluster Descriptor.
uint8_t iChannelNames; ///< Index of a string descriptor, describing the name of the first inserted channel with a non-predefined spatial location.
-} audio_desc_channel_cluster_t;
+} audio20_desc_channel_cluster_t;
-/// AUDIO Class-Specific AC Interface Header Descriptor (4.7.2)
+/// AUDIO Class-Specific AC Interface Header Descriptor UAC2 (4.7.2)
typedef struct TU_ATTR_PACKED
{
uint8_t bLength ; ///< Size of this descriptor in bytes: 9.
uint8_t bDescriptorType ; ///< Descriptor Type. Value: TUSB_DESC_CS_INTERFACE.
- uint8_t bDescriptorSubType ; ///< Descriptor SubType. Value: AUDIO_CS_AC_INTERFACE_HEADER.
+ uint8_t bDescriptorSubType ; ///< Descriptor SubType. Value: AUDIO20_CS_AC_INTERFACE_HEADER.
uint16_t bcdADC ; ///< Audio Device Class Specification Release Number in Binary-Coded Decimal. Value: U16_TO_U8S_LE(0x0200).
- uint8_t bCategory ; ///< Constant, indicating the primary use of this audio function, as intended by the manufacturer. See: audio_function_t.
+ uint8_t bCategory ; ///< Constant, indicating the primary use of this audio function, as intended by the manufacturer. See: audio20_function_code_t.
uint16_t wTotalLength ; ///< Total number of bytes returned for the class-specific AudioControl interface descriptor. Includes the combined length of this descriptor header and all Clock Source, Unit and Terminal descriptors.
- uint8_t bmControls ; ///< See: audio_cs_ac_interface_control_pos_t.
-} audio_desc_cs_ac_interface_t;
-TU_VERIFY_STATIC(sizeof(audio_desc_cs_ac_interface_t) == 9, "size is not correct");
+ uint8_t bmControls ; ///< See: audio20_cs_ac_interface_control_pos_t.
+} audio20_desc_cs_ac_interface_t;
+TU_VERIFY_STATIC(sizeof(audio20_desc_cs_ac_interface_t) == 9, "size is not correct");
-/// AUDIO Clock Source Descriptor (4.7.2.1)
+/// AUDIO Clock Source Descriptor UAC2 (4.7.2.1)
typedef struct TU_ATTR_PACKED
{
uint8_t bLength ; ///< Size of this descriptor in bytes: 8.
uint8_t bDescriptorType ; ///< Descriptor Type. Value: TUSB_DESC_CS_INTERFACE.
- uint8_t bDescriptorSubType ; ///< Descriptor SubType. Value: AUDIO_CS_AC_INTERFACE_CLOCK_SOURCE.
+ uint8_t bDescriptorSubType ; ///< Descriptor SubType. Value: AUDIO20_CS_AC_INTERFACE_CLOCK_SOURCE.
uint8_t bClockID ; ///< Constant uniquely identifying the Clock Source Entity within the audio function. This value is used in all requests to address this Entity.
- uint8_t bmAttributes ; ///< See: audio_clock_source_attribute_t.
- uint8_t bmControls ; ///< See: audio_clock_source_control_pos_t.
+ uint8_t bmAttributes ; ///< See: audio20_clock_source_attribute_t.
+ uint8_t bmControls ; ///< See: audio20_clock_source_control_pos_t.
uint8_t bAssocTerminal ; ///< Terminal ID of the Terminal that is associated with this Clock Source.
uint8_t iClockSource ; ///< Index of a string descriptor, describing the Clock Source Entity.
-} audio_desc_clock_source_t;
+} audio20_desc_clock_source_t;
-/// AUDIO Clock Selector Descriptor (4.7.2.2) for ONE pin
+/// AUDIO Clock Selector Descriptor UAC2 (4.7.2.2) for ONE pin
typedef struct TU_ATTR_PACKED
{
uint8_t bLength ; ///< Size of this descriptor, in bytes: 7+p.
uint8_t bDescriptorType ; ///< Descriptor Type. Value: TUSB_DESC_CS_INTERFACE.
- uint8_t bDescriptorSubType ; ///< Descriptor SubType. Value: AUDIO_CS_AC_INTERFACE_CLOCK_SELECTOR.
+ uint8_t bDescriptorSubType ; ///< Descriptor SubType. Value: AUDIO20_CS_AC_INTERFACE_CLOCK_SELECTOR.
uint8_t bClockID ; ///< Constant uniquely identifying the Clock Selector Entity within the audio function. This value is used in all requests to address this Entity.
uint8_t bNrInPins ; ///< Number of Input Pins of this Unit: p = 1 thus bNrInPins = 1.
uint8_t baCSourceID ; ///< ID of the Clock Entity to which the first Clock Input Pin of this Clock Selector Entity is connected..
- uint8_t bmControls ; ///< See: audio_clock_selector_control_pos_t.
+ uint8_t bmControls ; ///< See: audio20_clock_selector_control_pos_t.
uint8_t iClockSource ; ///< Index of a string descriptor, describing the Clock Selector Entity.
-} audio_desc_clock_selector_t;
+} audio20_desc_clock_selector_t;
/// AUDIO Clock Selector Descriptor (4.7.2.2) for multiple pins
-#define audio_desc_clock_selector_n_t(source_num) \
+#define audio20_desc_clock_selector_n_t(source_num) \
struct TU_ATTR_PACKED { \
uint8_t bLength ; \
uint8_t bDescriptorType ; \
@@ -704,17 +1107,17 @@ typedef struct TU_ATTR_PACKED
uint8_t iClockSource ; \
}
-/// AUDIO Clock Multiplier Descriptor (4.7.2.3)
+/// AUDIO Clock Multiplier Descriptor UAC2 (4.7.2.3)
typedef struct TU_ATTR_PACKED
{
uint8_t bLength ; ///< Size of this descriptor, in bytes: 7.
uint8_t bDescriptorType ; ///< Descriptor Type. Value: TUSB_DESC_CS_INTERFACE.
- uint8_t bDescriptorSubType ; ///< Descriptor SubType. Value: AUDIO_CS_AC_INTERFACE_CLOCK_MULTIPLIER.
+ uint8_t bDescriptorSubType ; ///< Descriptor SubType. Value: AUDIO20_CS_AC_INTERFACE_CLOCK_MULTIPLIER.
uint8_t bClockID ; ///< Constant uniquely identifying the Clock Multiplier Entity within the audio function. This value is used in all requests to address this Entity.
uint8_t bCSourceID ; ///< ID of the Clock Entity to which the last Clock Input Pin of this Clock Selector Entity is connected.
- uint8_t bmControls ; ///< See: audio_clock_multiplier_control_pos_t.
+ uint8_t bmControls ; ///< See: audio20_clock_multiplier_control_pos_t.
uint8_t iClockSource ; ///< Index of a string descriptor, describing the Clock Multiplier Entity.
-} audio_desc_clock_multiplier_t;
+} audio20_desc_clock_multiplier_t;
/// AUDIO Input Terminal Descriptor(4.7.2.4)
typedef struct TU_ATTR_PACKED
@@ -727,43 +1130,43 @@ typedef struct TU_ATTR_PACKED
uint8_t bAssocTerminal ; ///< ID of the Output Terminal to which this Input Terminal is associated.
uint8_t bCSourceID ; ///< ID of the Clock Entity to which this Input Terminal is connected.
uint8_t bNrChannels ; ///< Number of logical output channels in the Terminal’s output audio channel cluster.
- uint32_t bmChannelConfig ; ///< Describes the spatial location of the logical channels. See:audio_channel_config_t.
+ uint32_t bmChannelConfig ; ///< Describes the spatial location of the logical channels. See:audio20_channel_config_t.
uint8_t iChannelNames ; ///< Index of a string descriptor, describing the name of the first logical channel.
uint16_t bmControls ; ///< See: audio_terminal_input_control_pos_t.
uint8_t iTerminal ; ///< Index of a string descriptor, describing the Input Terminal.
-} audio_desc_input_terminal_t;
+} audio20_desc_input_terminal_t;
-/// AUDIO Output Terminal Descriptor(4.7.2.5)
+/// AUDIO Output Terminal Descriptor UAC2 (4.7.2.5)
typedef struct TU_ATTR_PACKED
{
uint8_t bLength ; ///< Size of this descriptor, in bytes: 12.
uint8_t bDescriptorType ; ///< Descriptor Type. Value: TUSB_DESC_CS_INTERFACE.
- uint8_t bDescriptorSubType ; ///< Descriptor SubType. Value: AUDIO_CS_AC_INTERFACE_OUTPUT_TERMINAL.
+ uint8_t bDescriptorSubType ; ///< Descriptor SubType. Value: AUDIO20_CS_AC_INTERFACE_OUTPUT_TERMINAL.
uint8_t bTerminalID ; ///< Constant uniquely identifying the Terminal within the audio function. This value is used in all requests to address this Terminal.
- uint16_t wTerminalType ; ///< Constant characterizing the type of Terminal. See: audio_terminal_type_t for USB streaming and audio_terminal_output_type_t for other output types.
+ uint16_t wTerminalType ; ///< Constant characterizing the type of Terminal. See: audio20_terminal_type_t for USB streaming and audio20_terminal_output_type_t for other output types.
uint8_t bAssocTerminal ; ///< Constant, identifying the Input Terminal to which this Output Terminal is associated.
uint8_t bSourceID ; ///< ID of the Unit or Terminal to which this Terminal is connected.
uint8_t bCSourceID ; ///< ID of the Clock Entity to which this Output Terminal is connected.
- uint16_t bmControls ; ///< See: audio_terminal_output_type_t.
+ uint16_t bmControls ; ///< See: audio20_terminal_output_control_pos_t.
uint8_t iTerminal ; ///< Index of a string descriptor, describing the Output Terminal.
-} audio_desc_output_terminal_t;
+} audio20_desc_output_terminal_t;
-/// AUDIO Feature Unit Descriptor(4.7.2.8) for ONE channel
+/// AUDIO Feature Unit Descriptor UAC2 (4.7.2.8) for ONE channel
typedef struct TU_ATTR_PACKED
{
uint8_t bLength ; ///< Size of this descriptor, in bytes: 14.
uint8_t bDescriptorType ; ///< Descriptor Type. Value: TUSB_DESC_CS_INTERFACE.
- uint8_t bDescriptorSubType ; ///< Descriptor SubType. Value: AUDIO_CS_AC_INTERFACE_FEATURE_UNIT.
+ uint8_t bDescriptorSubType ; ///< Descriptor SubType. Value: AUDIO20_CS_AC_INTERFACE_FEATURE_UNIT.
uint8_t bUnitID ; ///< Constant uniquely identifying the Unit within the audio function. This value is used in all requests to address this Unit.
uint8_t bSourceID ; ///< ID of the Unit or Terminal to which this Feature Unit is connected.
struct TU_ATTR_PACKED {
- uint32_t bmaControls ; ///< See: audio_feature_unit_control_pos_t. Controls0 is master channel 0 (always present) and Controls1 is logical channel 1.
+ uint32_t bmaControls ; ///< See: audio20_feature_unit_control_pos_t. Controls0 is master channel 0 (always present) and Controls1 is logical channel 1.
} controls[2] ;
uint8_t iTerminal ; ///< Index of a string descriptor, describing this Feature Unit.
-} audio_desc_feature_unit_t;
+} audio20_desc_feature_unit_t;
/// AUDIO Feature Unit Descriptor(4.7.2.8) for multiple channels
-#define audio_desc_feature_unit_n_t(ch_num)\
+#define audio20_desc_feature_unit_n_t(ch_num)\
struct TU_ATTR_PACKED { \
uint8_t bLength ; /* 6+(ch_num+1)*4 */\
uint8_t bDescriptorType ; \
@@ -781,38 +1184,38 @@ typedef struct TU_ATTR_PACKED
{
uint8_t bLength ; ///< Size of this descriptor, in bytes: 16.
uint8_t bDescriptorType ; ///< Descriptor Type. Value: TUSB_DESC_CS_INTERFACE.
- uint8_t bDescriptorSubType ; ///< Descriptor SubType. Value: AUDIO_CS_AS_INTERFACE_AS_GENERAL.
+ uint8_t bDescriptorSubType ; ///< Descriptor SubType. Value: AUDIO20_CS_AS_INTERFACE_AS_GENERAL.
uint8_t bTerminalLink ; ///< The Terminal ID of the Terminal to which this interface is connected.
- uint8_t bmControls ; ///< See: audio_cs_as_interface_control_pos_t.
- uint8_t bFormatType ; ///< Constant identifying the Format Type the AudioStreaming interface is using. See: audio_format_type_t.
- uint32_t bmFormats ; ///< The Audio Data Format(s) that can be used to communicate with this interface.See: audio_data_format_type_I_t.
+ uint8_t bmControls ; ///< See: audio20_cs_as_interface_control_pos_t.
+ uint8_t bFormatType ; ///< Constant identifying the Format Type the AudioStreaming interface is using. See: audio20_format_type_t.
+ uint32_t bmFormats ; ///< The Audio Data Format(s) that can be used to communicate with this interface.See: audio20_data_format_type_I_t.
uint8_t bNrChannels ; ///< Number of physical channels in the AS Interface audio channel cluster.
- uint32_t bmChannelConfig ; ///< Describes the spatial location of the physical channels. See: audio_channel_config_t.
+ uint32_t bmChannelConfig ; ///< Describes the spatial location of the physical channels. See: audio20_channel_config_t.
uint8_t iChannelNames ; ///< Index of a string descriptor, describing the name of the first physical channel.
-} audio_desc_cs_as_interface_t;
+} audio20_desc_cs_as_interface_t;
/// AUDIO Type I Format Type Descriptor(2.3.1.6 - Audio Formats)
typedef struct TU_ATTR_PACKED
{
uint8_t bLength ; ///< Size of this descriptor, in bytes: 6.
uint8_t bDescriptorType ; ///< Descriptor Type. Value: TUSB_DESC_CS_INTERFACE.
- uint8_t bDescriptorSubType ; ///< Descriptor SubType. Value: AUDIO_CS_AS_INTERFACE_FORMAT_TYPE.
- uint8_t bFormatType ; ///< Constant identifying the Format Type the AudioStreaming interface is using. Value: AUDIO_FORMAT_TYPE_I.
+ uint8_t bDescriptorSubType ; ///< Descriptor SubType. Value: AUDIO20_CS_AS_INTERFACE_FORMAT_TYPE.
+ uint8_t bFormatType ; ///< Constant identifying the Format Type the AudioStreaming interface is using. Value: AUDIO20_FORMAT_TYPE_I.
uint8_t bSubslotSize ; ///< The number of bytes occupied by one audio subslot. Can be 1, 2, 3 or 4.
uint8_t bBitResolution ; ///< The number of effectively used bits from the available bits in an audio subslot.
-} audio_desc_type_I_format_t;
+} audio20_desc_type_I_format_t;
/// AUDIO Class-Specific AS Isochronous Audio Data Endpoint Descriptor(4.10.1.2)
typedef struct TU_ATTR_PACKED
{
uint8_t bLength ; ///< Size of this descriptor, in bytes: 8.
uint8_t bDescriptorType ; ///< Descriptor Type. Value: TUSB_DESC_CS_ENDPOINT.
- uint8_t bDescriptorSubType ; ///< Descriptor SubType. Value: AUDIO_CS_EP_SUBTYPE_GENERAL.
- uint8_t bmAttributes ; ///< See: audio_cs_as_iso_data_ep_attribute_t.
- uint8_t bmControls ; ///< See: audio_cs_as_iso_data_ep_control_pos_t.
- uint8_t bLockDelayUnits ; ///< Indicates the units used for the wLockDelay field. See: audio_cs_as_iso_data_ep_lock_delay_unit_t.
+ uint8_t bDescriptorSubType ; ///< Descriptor SubType. Value: AUDIO20_CS_EP_SUBTYPE_GENERAL.
+ uint8_t bmAttributes ; ///< See: audio20_cs_as_iso_data_ep_attribute_t.
+ uint8_t bmControls ; ///< See: audio20_cs_as_iso_data_ep_control_pos_t.
+ uint8_t bLockDelayUnits ; ///< Indicates the units used for the wLockDelay field. See: audio20_cs_as_iso_data_ep_lock_delay_unit_t.
uint16_t wLockDelay ; ///< Indicates the time it takes this endpoint to reliably lock its internal clock recovery circuitry. Units used depend on the value of the bLockDelayUnits field.
-} audio_desc_cs_as_iso_data_ep_t;
+} audio20_desc_cs_as_iso_data_ep_t;
// 5.2.2 Control Request Layout
typedef struct TU_ATTR_PACKED
@@ -839,7 +1242,7 @@ typedef struct TU_ATTR_PACKED
};
uint8_t bEntityID;
uint16_t wLength;
-} audio_control_request_t;
+} audio20_control_request_t;
//// 5.2.3 Control Request Parameter Block Layout
@@ -847,53 +1250,24 @@ typedef struct TU_ATTR_PACKED
typedef struct TU_ATTR_PACKED
{
int8_t bCur ; ///< The setting for the CUR attribute of the addressed Control
-} audio_control_cur_1_t;
+} audio20_control_cur_1_t;
// 5.2.3.2 2-byte Control CUR Parameter Block
typedef struct TU_ATTR_PACKED
{
int16_t bCur ; ///< The setting for the CUR attribute of the addressed Control
-} audio_control_cur_2_t;
+} audio20_control_cur_2_t;
// 5.2.3.3 4-byte Control CUR Parameter Block
typedef struct TU_ATTR_PACKED
{
int32_t bCur ; ///< The setting for the CUR attribute of the addressed Control
-} audio_control_cur_4_t;
+} audio20_control_cur_4_t;
-// Use the following ONLY for RECEIVED data - compiler does not know how many subranges are defined! Use the one below for predefined lengths - or if you know what you are doing do what you like
-// 5.2.3.1 1-byte Control RANGE Parameter Block
-typedef 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[] ;
-} audio_control_range_1_t;
-
-// 5.2.3.2 2-byte Control RANGE Parameter Block
-typedef 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[] ;
-} audio_control_range_2_t;
-
-// 5.2.3.3 4-byte Control RANGE Parameter Block
-typedef 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[] ;
-} audio_control_range_4_t;
+// Use the following ONLY for RECEIVED data - compiler does not know how many subranges are defined! Use the #define macros below for predefined lengths.
// 5.2.3.1 1-byte Control RANGE Parameter Block
-#define audio_control_range_1_n_t(numSubRanges) \
+#define audio20_control_range_1_n_t(numSubRanges) \
struct TU_ATTR_PACKED { \
uint16_t wNumSubRanges; \
struct TU_ATTR_PACKED { \
@@ -904,7 +1278,7 @@ typedef struct TU_ATTR_PACKED {
}
/// 5.2.3.2 2-byte Control RANGE Parameter Block
-#define audio_control_range_2_n_t(numSubRanges) \
+#define audio20_control_range_2_n_t(numSubRanges) \
struct TU_ATTR_PACKED { \
uint16_t wNumSubRanges; \
struct TU_ATTR_PACKED { \
@@ -915,7 +1289,7 @@ typedef struct TU_ATTR_PACKED {
}
// 5.2.3.3 4-byte Control RANGE Parameter Block
-#define audio_control_range_4_n_t(numSubRanges) \
+#define audio20_control_range_4_n_t(numSubRanges) \
struct TU_ATTR_PACKED { \
uint16_t wNumSubRanges; \
struct TU_ATTR_PACKED { \
@@ -948,7 +1322,7 @@ typedef struct TU_ATTR_PACKED
uint8_t wIndex_entity_id;
};
};
-} audio_interrupt_data_t;
+} audio20_interrupt_data_t;
/** @} */
diff --git a/src/class/audio/audio_device.c b/src/class/audio/audio_device.c
index 701411401..f795603c5 100644
--- a/src/class/audio/audio_device.c
+++ b/src/class/audio/audio_device.c
@@ -283,7 +283,7 @@ typedef struct
// Encoding parameters - parameters are set when alternate AS interface is set by host
#if CFG_TUD_AUDIO_ENABLE_EP_IN && CFG_TUD_AUDIO_EP_IN_FLOW_CONTROL
- audio_format_type_t format_type_tx;
+ audio20_format_type_t format_type_tx;
uint8_t n_channels_tx;
uint8_t n_bytes_per_sample_tx;
#endif
@@ -597,7 +597,7 @@ static bool audiod_tx_xfer_isr(uint8_t rhport, audiod_function_t * audio, uint16
#if CFG_TUD_AUDIO_ENABLE_INTERRUPT_EP
// If no interrupt transmit is pending bytes get written into buffer and a transmit is scheduled - once transmit completed tud_audio_int_done_cb() is called in inform user
-bool tud_audio_int_n_write(uint8_t func_id, const audio_interrupt_data_t *data) {
+bool tud_audio_int_n_write(uint8_t func_id, const audio20_interrupt_data_t *data) {
TU_VERIFY(func_id < CFG_TUD_AUDIO && _audiod_fct[func_id].p_desc != NULL);
TU_VERIFY(_audiod_fct[func_id].ep_int != 0);
@@ -606,7 +606,7 @@ bool tud_audio_int_n_write(uint8_t func_id, const audio_interrupt_data_t *data)
TU_VERIFY(usbd_edpt_claim(_audiod_fct[func_id].rhport, _audiod_fct[func_id].ep_int));
// Check length
- if (tu_memcpy_s(int_ep_buf[func_id].buf, sizeof(int_ep_buf[func_id].buf), data, sizeof(audio_interrupt_data_t)) == 0) {
+ if (tu_memcpy_s(int_ep_buf[func_id].buf, sizeof(int_ep_buf[func_id].buf), data, sizeof(audio20_interrupt_data_t)) == 0) {
// Schedule transmit
TU_ASSERT(usbd_edpt_xfer(_audiod_fct[func_id].rhport, _audiod_fct[func_id].ep_int, int_ep_buf[func_id].buf, sizeof(int_ep_buf[func_id].buf)), 0);
} else {
@@ -937,8 +937,8 @@ uint16_t audiod_open(uint8_t rhport, tusb_desc_interface_t const *itf_desc, uint
_audiod_fct[i].interval_tx = desc_ep->bInterval;
}
}
- } else if (tu_desc_type(p_desc) == TUSB_DESC_CS_INTERFACE && tu_desc_subtype(p_desc) == AUDIO_CS_AC_INTERFACE_OUTPUT_TERMINAL) {
- if (tu_unaligned_read16(p_desc + 4) == AUDIO_TERM_TYPE_USB_STREAMING) {
+ } else if (tu_desc_type(p_desc) == TUSB_DESC_CS_INTERFACE && tu_desc_subtype(p_desc) == AUDIO20_CS_AC_INTERFACE_OUTPUT_TERMINAL) {
+ if (tu_unaligned_read16(p_desc + 4) == AUDIO20_TERM_TYPE_USB_STREAMING) {
_audiod_fct[i].bclock_id_tx = p_desc[8];
}
}
@@ -1277,7 +1277,7 @@ static bool audiod_control_complete(uint8_t rhport, tusb_control_request_t const
#if CFG_TUD_AUDIO_ENABLE_EP_IN && CFG_TUD_AUDIO_EP_IN_FLOW_CONTROL
uint8_t ctrlSel = TU_U16_HIGH(p_request->wValue);
- if (_audiod_fct[func_id].bclock_id_tx == entityID && ctrlSel == AUDIO_CS_CTRL_SAM_FREQ && p_request->bRequest == AUDIO_CS_REQ_CUR) {
+ if (_audiod_fct[func_id].bclock_id_tx == entityID && ctrlSel == AUDIO20_CS_CTRL_SAM_FREQ && p_request->bRequest == AUDIO20_CS_REQ_CUR) {
_audiod_fct[func_id].sample_rate_tx = tu_unaligned_read32(_audiod_fct[func_id].ctrl_buf);
}
#endif
@@ -1655,7 +1655,7 @@ bool tud_audio_buffer_and_schedule_control_xfer(uint8_t rhport, tusb_control_req
if (p_request->bmRequestType_bit.type == TUSB_REQ_TYPE_CLASS && p_request->bmRequestType_bit.recipient == TUSB_REQ_RCPT_INTERFACE) {
uint8_t entityID = TU_U16_HIGH(p_request->wIndex);
uint8_t ctrlSel = TU_U16_HIGH(p_request->wValue);
- if (_audiod_fct[func_id].bclock_id_tx == entityID && ctrlSel == AUDIO_CS_CTRL_SAM_FREQ && p_request->bRequest == AUDIO_CS_REQ_CUR) {
+ if (_audiod_fct[func_id].bclock_id_tx == entityID && ctrlSel == AUDIO20_CS_CTRL_SAM_FREQ && p_request->bRequest == AUDIO20_CS_REQ_CUR) {
_audiod_fct[func_id].sample_rate_tx = tu_unaligned_read32(_audiod_fct[func_id].ctrl_buf);
}
}
@@ -1673,7 +1673,7 @@ static bool audiod_verify_entity_exists(uint8_t itf, uint8_t entityID, uint8_t *
if (_audiod_fct[i].p_desc && ((tusb_desc_interface_t const *) _audiod_fct[i].p_desc)->bInterfaceNumber == itf) {
// Get pointers after class specific AC descriptors and end of AC descriptors - entities are defined in between
uint8_t const *p_desc = tu_desc_next(_audiod_fct[i].p_desc);// Points to CS AC descriptor
- uint8_t const *p_desc_end = ((audio_desc_cs_ac_interface_t const *) p_desc)->wTotalLength + p_desc;
+ uint8_t const *p_desc_end = ((audio20_desc_cs_ac_interface_t const *) p_desc)->wTotalLength + p_desc;
p_desc = tu_desc_next(p_desc);// Get past CS AC descriptor
// Condition modified from p_desc < p_desc_end to prevent gcc>=12 strict-overflow warning
@@ -1719,7 +1719,7 @@ static bool audiod_verify_ep_exists(uint8_t ep, uint8_t *func_id) {
// Advance past AC descriptors - EP we look for are streaming EPs
uint8_t const *p_desc = tu_desc_next(_audiod_fct[i].p_desc);
- p_desc += ((audio_desc_cs_ac_interface_t const *) p_desc)->wTotalLength;
+ p_desc += ((audio20_desc_cs_ac_interface_t const *) p_desc)->wTotalLength;
// Condition modified from p_desc < p_desc_end to prevent gcc>=12 strict-overflow warning
while (p_desc_end - p_desc > 0) {
@@ -1740,19 +1740,19 @@ static void audiod_parse_flow_control_params(audiod_function_t *audio, uint8_t c
p_desc = tu_desc_next(p_desc);// Exclude standard AS interface descriptor of current alternate interface descriptor
// Look for a Class-Specific AS Interface Descriptor(4.9.2) to verify format type and format and also to get number of physical channels
- if (tu_desc_type(p_desc) == TUSB_DESC_CS_INTERFACE && tu_desc_subtype(p_desc) == AUDIO_CS_AS_INTERFACE_AS_GENERAL) {
- audio->n_channels_tx = ((audio_desc_cs_as_interface_t const *) p_desc)->bNrChannels;
- audio->format_type_tx = (audio_format_type_t) (((audio_desc_cs_as_interface_t const *) p_desc)->bFormatType);
+ if (tu_desc_type(p_desc) == TUSB_DESC_CS_INTERFACE && tu_desc_subtype(p_desc) == AUDIO20_CS_AS_INTERFACE_AS_GENERAL) {
+ audio->n_channels_tx = ((audio20_desc_cs_as_interface_t const *) p_desc)->bNrChannels;
+ audio->format_type_tx = (audio20_format_type_t) (((audio20_desc_cs_as_interface_t const *) p_desc)->bFormatType);
// Look for a Type I Format Type Descriptor(2.3.1.6 - Audio Formats)
p_desc = tu_desc_next(p_desc);
- if (tu_desc_type(p_desc) == TUSB_DESC_CS_INTERFACE && tu_desc_subtype(p_desc) == AUDIO_CS_AS_INTERFACE_FORMAT_TYPE && ((audio_desc_type_I_format_t const *) p_desc)->bFormatType == AUDIO_FORMAT_TYPE_I) {
- audio->n_bytes_per_sample_tx = ((audio_desc_type_I_format_t const *) p_desc)->bSubslotSize;
+ if (tu_desc_type(p_desc) == TUSB_DESC_CS_INTERFACE && tu_desc_subtype(p_desc) == AUDIO20_CS_AS_INTERFACE_FORMAT_TYPE && ((audio20_desc_type_I_format_t const *) p_desc)->bFormatType == AUDIO20_FORMAT_TYPE_I) {
+ audio->n_bytes_per_sample_tx = ((audio20_desc_type_I_format_t const *) p_desc)->bSubslotSize;
}
}
}
static bool audiod_calc_tx_packet_sz(audiod_function_t *audio) {
- TU_VERIFY(audio->format_type_tx == AUDIO_FORMAT_TYPE_I);
+ TU_VERIFY(audio->format_type_tx == AUDIO20_FORMAT_TYPE_I);
TU_VERIFY(audio->n_channels_tx);
TU_VERIFY(audio->n_bytes_per_sample_tx);
TU_VERIFY(audio->interval_tx);
diff --git a/src/class/audio/audio_device.h b/src/class/audio/audio_device.h
index fd47c649d..ec710aed5 100644
--- a/src/class/audio/audio_device.h
+++ b/src/class/audio/audio_device.h
@@ -220,7 +220,7 @@ tu_fifo_t* tud_audio_n_get_ep_in_ff (uint8_t func_id);
#endif
#if CFG_TUD_AUDIO_ENABLE_INTERRUPT_EP
-bool tud_audio_int_n_write (uint8_t func_id, const audio_interrupt_data_t * data);
+bool tud_audio_int_n_write (uint8_t func_id, const audio20_interrupt_data_t * data);
#endif
//--------------------------------------------------------------------+
@@ -244,7 +244,7 @@ static inline tu_fifo_t* tud_audio_get_ep_in_ff (void);
// INT CTR API
#if CFG_TUD_AUDIO_ENABLE_INTERRUPT_EP
-static inline bool tud_audio_int_write (const audio_interrupt_data_t * data);
+static inline bool tud_audio_int_write (const audio20_interrupt_data_t * data);
#endif
// Buffer control EP data and schedule a transmit
@@ -434,7 +434,7 @@ TU_ATTR_ALWAYS_INLINE static inline tu_fifo_t* tud_audio_get_ep_in_ff(void) {
#endif
#if CFG_TUD_AUDIO_ENABLE_INTERRUPT_EP
-TU_ATTR_ALWAYS_INLINE static inline bool tud_audio_int_write(const audio_interrupt_data_t * data) {
+TU_ATTR_ALWAYS_INLINE static inline bool tud_audio_int_write(const audio20_interrupt_data_t * data) {
return tud_audio_int_n_write(0, data);
}
#endif