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Diffstat (limited to 'tinyusb/src/class/audio/audio.h')
| -rwxr-xr-x | tinyusb/src/class/audio/audio.h | 945 |
1 files changed, 945 insertions, 0 deletions
diff --git a/tinyusb/src/class/audio/audio.h b/tinyusb/src/class/audio/audio.h new file mode 100755 index 00000000..f99061ea --- /dev/null +++ b/tinyusb/src/class/audio/audio.h @@ -0,0 +1,945 @@ +/* + * The MIT License (MIT) + * + * Copyright (c) 2019 Ha Thach (tinyusb.org) + * Copyright (c) 2020 Reinhard Panhuber + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + * + * This file is part of the TinyUSB stack. + */ + +/** \ingroup group_class + * \defgroup ClassDriver_Audio Audio + * Currently only MIDI subclass is supported + * @{ */ + +#ifndef _TUSB_AUDIO_H__ +#define _TUSB_AUDIO_H__ + +#include "common/tusb_common.h" + +#ifdef __cplusplus +extern "C" { +#endif + +/// Audio Device Class Codes + +/// A.2 - Audio Function Subclass Codes +typedef enum +{ + AUDIO_FUNCTION_SUBCLASS_UNDEFINED = 0x00, +} audio_function_subclass_type_t; + +/// A.3 - Audio Function Protocol Codes +typedef enum +{ + AUDIO_FUNC_PROTOCOL_CODE_UNDEF = 0x00, + AUDIO_FUNC_PROTOCOL_CODE_V2 = 0x20, ///< Version 2.0 +} audio_function_protocol_code_t; + +/// A.5 - Audio Interface Subclass Codes +typedef enum +{ + AUDIO_SUBCLASS_UNDEFINED = 0x00, + AUDIO_SUBCLASS_CONTROL , ///< Audio Control + AUDIO_SUBCLASS_STREAMING , ///< Audio Streaming + AUDIO_SUBCLASS_MIDI_STREAMING , ///< MIDI Streaming +} audio_subclass_type_t; + +/// A.6 - Audio Interface Protocol Codes +typedef enum +{ + AUDIO_INT_PROTOCOL_CODE_UNDEF = 0x00, + AUDIO_INT_PROTOCOL_CODE_V2 = 0x20, ///< Version 2.0 +} audio_interface_protocol_code_t; + +/// 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; + +/// 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; + +/// 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; + +/// 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; + +/// 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; + +/// 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; + +/// A.14 - Audio Class-Specific Request Codes +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; + +/// A.17 - Control Selector Codes + +/// 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; + +/// 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; + +/// 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; + +/// A.17.4 - Terminal Control Selectors +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; + +/// 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; + +/// 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; + +/// A.17.7 - Feature Unit Control Selectors +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; + +/// 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; + +/// 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; + +/// 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; + +/// 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; + +/// 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; + +/// A.17.9.2 Dolby Prologic ™ 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; + +/// 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; + +/// 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; + +/// 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; + +/// 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; + +/// 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; + +/// 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; + +/// 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; + +/// 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; + +/// 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; + +/// 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; + +/// 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; + +/// 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; + +/// Rest is yet to be implemented + +/// Additional Audio Device Class Codes - Source: Audio Data Formats + +/// 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; + +// 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 = 0x80000000, +} audio_data_format_type_I_t; + +/// All remaining definitions are taken from the descriptor descriptions in the UAC2 main specification + +/// Isochronous End Point Attributes +typedef enum +{ + TUSB_ISO_EP_ATT_NO_SYNC = 0x00, + TUSB_ISO_EP_ATT_ASYNCHRONOUS = 0x04, + TUSB_ISO_EP_ATT_ADAPTIVE = 0x08, + TUSB_ISO_EP_ATT_SYNCHRONOUS = 0x0C, + TUSB_ISO_EP_ATT_DATA = 0x00, ///< Data End Point + TUSB_ISO_EP_ATT_EXPLICIT_FB = 0x10, ///< Feedback End Point + TUSB_ISO_EP_ATT_IMPLICIT_FB = 0x20, ///< Data endpoint that also serves as an implicit feedback +} tusb_iso_ep_attribute_t; + +/// 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; + +/// 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; + +/// 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; + +/// 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; + +/// 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; + +/// 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; + +/// 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; + +/// 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; + +/// Audio Class-Clock Selector Controls UAC2 +typedef enum +{ + AUDIO_CLOCK_SELECTOR_CTRL_POS = 0, +} audio_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; + +/// 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; + +/// 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; + +/// 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; + +/// 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 = 0x80000000, +} audio_channel_config_t; + +/// AUDIO Channel Cluster Descriptor (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. + 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; + +/// AUDIO Class-Specific AC Interface Header Descriptor (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. + 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. + 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; + +/// AUDIO Clock Source Descriptor (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 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 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; + +/// AUDIO Clock Selector Descriptor (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 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 iClockSource ; ///< Index of a string descriptor, describing the Clock Selector Entity. +} audio_desc_clock_selector_t; + +/// AUDIO Clock Selector Descriptor (4.7.2.2) for multiple pins +#define audio_desc_clock_selector_n_t(source_num) \ + 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 Clock Multiplier Descriptor (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 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 iClockSource ; ///< Index of a string descriptor, describing the Clock Multiplier Entity. +} audio_desc_clock_multiplier_t; + +/// AUDIO Input Terminal Descriptor(4.7.2.4) +typedef struct TU_ATTR_PACKED +{ + uint8_t bLength ; ///< Size of this descriptor, in bytes: 17. + uint8_t bDescriptorType ; ///< Descriptor Type. Value: TUSB_DESC_CS_INTERFACE. + uint8_t bDescriptorSubType ; ///< Descriptor SubType. Value: AUDIO_CS_AC_INTERFACE_INPUT_TERMINAL. + uint16_t wTerminalType ; ///< Constant characterizing the type of Terminal. See: audio_terminal_type_t for USB streaming and audio_terminal_input_type_t for other input types. + 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. + 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; + +/// AUDIO Output Terminal Descriptor(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 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. + 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. + uint8_t iTerminal ; ///< Index of a string descriptor, describing the Output Terminal. +} audio_desc_output_terminal_t; + +/// AUDIO Feature Unit Descriptor(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 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. + } controls[2] ; + uint8_t iTerminal ; ///< Index of a string descriptor, describing this Feature Unit. +} audio_desc_feature_unit_t; + +/// AUDIO Feature Unit Descriptor(4.7.2.8) for multiple channels +#define audio_desc_feature_unit_n_t(ch_num)\ + 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 ; \ +} + +/// AUDIO Class-Specific AS Interface Descriptor(4.9.2) +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 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 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. + uint8_t iChannelNames ; ///< Index of a string descriptor, describing the name of the first physical channel. +} audio_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 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; + +/// 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. + 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; + +// 5.2.2 Control Request Layout +typedef struct TU_ATTR_PACKED +{ + union + { + struct TU_ATTR_PACKED + { + uint8_t recipient : 5; ///< Recipient type tusb_request_recipient_t. + uint8_t type : 2; ///< Request type tusb_request_type_t. + uint8_t direction : 1; ///< Direction type. tusb_dir_t + } bmRequestType_bit; + + uint8_t bmRequestType; + }; + + uint8_t bRequest; ///< Request type audio_cs_req_t + uint8_t bChannelNumber; + uint8_t bControlSelector; + union + { + uint8_t bInterface; + uint8_t bEndpoint; + }; + uint8_t bEntityID; + uint16_t wLength; +} audio_control_request_t; + +//// 5.2.3 Control Request Parameter Block Layout + +// 5.2.3.1 1-byte Control CUR Parameter Block +typedef struct TU_ATTR_PACKED +{ + int8_t bCur ; ///< The setting for the CUR attribute of the addressed Control +} audio_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; + +// 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; + +// 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; + +// 5.2.3.1 1-byte Control RANGE Parameter Block +#define audio_control_range_1_n_t(numSubRanges) \ + 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] ; \ +} + +/// 5.2.3.2 2-byte Control RANGE Parameter Block +#define audio_control_range_2_n_t(numSubRanges) \ + 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]; \ +} + +// 5.2.3.3 4-byte Control RANGE Parameter Block +#define audio_control_range_4_n_t(numSubRanges) \ + 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]; \ +} + +/** @} */ + +#ifdef __cplusplus +} +#endif + +#endif + +/** @} */ |