diff options
Diffstat (limited to 'thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/audio/app_usbd_audio_types.h')
| -rw-r--r-- | thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/audio/app_usbd_audio_types.h | 382 |
1 files changed, 382 insertions, 0 deletions
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/audio/app_usbd_audio_types.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/audio/app_usbd_audio_types.h new file mode 100644 index 0000000..57fd902 --- /dev/null +++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/usbd/class/audio/app_usbd_audio_types.h @@ -0,0 +1,382 @@ +/** + * Copyright (c) 2016 - 2018, Nordic Semiconductor ASA + * + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form, except as embedded into a Nordic + * Semiconductor ASA integrated circuit in a product or a software update for + * such product, must reproduce the above copyright notice, this list of + * conditions and the following disclaimer in the documentation and/or other + * materials provided with the distribution. + * + * 3. Neither the name of Nordic Semiconductor ASA nor the names of its + * contributors may be used to endorse or promote products derived from this + * software without specific prior written permission. + * + * 4. This software, with or without modification, must only be used with a + * Nordic Semiconductor ASA integrated circuit. + * + * 5. Any software provided in binary form under this license must not be reverse + * engineered, decompiled, modified and/or disassembled. + * + * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS + * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ +#ifndef APP_USBD_AUDIO_TYPES_H__ +#define APP_USBD_AUDIO_TYPES_H__ + +#include "app_util.h" + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * @defgroup app_usbd_audio_types USB Audio types + * @brief @tagAPI52840 Type definitions for the USB Audio class. + * @ingroup app_usbd_audio + * @{ + */ + +/** @brief Audio class definition in interface descriptor + * + * Fixed value, @ref app_usbd_descriptor_iface_t::bInterfaceClass + * */ +#define APP_USBD_AUDIO_CLASS 0x01 + +/** @brief Audio class protocol definition in interface descriptor + * + * Fixed value, @ref app_usbd_descriptor_iface_t::bInterfaceProtocol + * */ +#define APP_USBD_AUDIO_CLASS_PROTOCOL_UNDEFINED 0x00 + +/** + * @brief Audio subclass possible values + * + * @ref app_usbd_descriptor_iface_t::bInterfaceSubClass + */ +typedef enum { + APP_USBD_AUDIO_SUBCLASS_UNDEFINED = 0x00, /**< UNDEFINED subclass */ + APP_USBD_AUDIO_SUBCLASS_AUDIOCONTROL, /**< AUDIOCONTROL subclass */ + APP_USBD_AUDIO_SUBCLASS_AUDIOSTREAMING, /**< AUDIOSTREAMING subclass */ + APP_USBD_AUDIO_SUBCLASS_MIDISTREAMING /**< MIDISTREAMING subclass */ +} app_usbd_audio_subclass_t; + + +/** + * @brief Audio class specific descriptor types + */ +typedef enum { + APP_USBD_AUDIO_DESCRIPTOR_UNDEFINED = 0x20, /**< UNDEFINED descriptor type */ + APP_USBD_AUDIO_DESCRIPTOR_DEVICE = 0x21, /**< DEVICE descriptor type */ + APP_USBD_AUDIO_DESCRIPTOR_CONFIGURATION = 0x22, /**< CONFIGURATION descriptor type */ + APP_USBD_AUDIO_DESCRIPTOR_STRING = 0x23, /**< STRING descriptor type */ + APP_USBD_AUDIO_DESCRIPTOR_INTERFACE = 0x24, /**< INTERFACE descriptor type */ + APP_USBD_AUDIO_DESCRIPTOR_ENDPOINT = 0x25, /**< ENDPOINT descriptor type */ +} app_usbd_audio_descriptor_type_t; + + +/** + * @brief Audio control interface subtype + */ +typedef enum { + APP_USBD_AUDIO_AC_IFACE_SUBTYPE_UNDEFINED = 0x00, /**< Audio control interface subtype UNDEFINED */ + APP_USBD_AUDIO_AC_IFACE_SUBTYPE_HEADER, /**< Audio control interface subtype HEADER */ + APP_USBD_AUDIO_AC_IFACE_SUBTYPE_INPUT_TERMINAL, /**< Audio control interface subtype INPUT_TERMINAL */ + APP_USBD_AUDIO_AC_IFACE_SUBTYPE_OUTPUT_TERNINAL, /**< Audio control interface subtype OUTPUT_TERNINAL */ + APP_USBD_AUDIO_AC_IFACE_SUBTYPE_MIXER_UNIT, /**< Audio control interface subtype MIXER_UNIT */ + APP_USBD_AUDIO_AC_IFACE_SUBTYPE_SELECTOR_UNIT, /**< Audio control interface subtype SELECTOR_UNIT */ + APP_USBD_AUDIO_AC_IFACE_SUBTYPE_FEATURE_UNIT, /**< Audio control interface subtype FEATURE_UNIT */ + APP_USBD_AUDIO_AC_IFACE_SUBTYPE_PROCESSING_UNIT, /**< Audio control interface subtype PROCESSING_UNIT */ + APP_USBD_AUDIO_AC_IFACE_SUBTYPE_EXTENSION_UNIT, /**< Audio control interface subtype EXTENSION_UNIT */ +} app_usbd_audio_ac_iface_subtype_t; + +/** + * @brief Audio streaming interface subtype + */ +typedef enum { + APP_USBD_AUDIO_AS_IFACE_SUBTYPE_UNDEFINED = 0x00, /**< Audio streaming interface subtype UNDEFINED */ + APP_USBD_AUDIO_AS_IFACE_SUBTYPE_GENERAL, /**< Audio streaming interface subtype GENERAL */ + APP_USBD_AUDIO_AS_IFACE_SUBTYPE_FORMAT_TYPE, /**< Audio streaming interface subtype FORMAT_TYPE */ + APP_USBD_AUDIO_AS_IFACE_SUBTYPE_FORMAT_SPECIFIC, /**< Audio streaming interface subtype FORMAT_SPECIFIC*/ +} app_usbd_audio_as_iface_subtype_t; + + +/** + * @brief Audio class specific endpoint subtypes + */ +typedef enum { + APP_USBD_AUDIO_EP_SUBTYPE_UNDEFINED = 0x00, /**< APP_USBD_AUDIO_EP_SUBTYPE_UNDEFINED */ + APP_USBD_AUDIO_EP_SUBTYPE_GENERAL, /**< APP_USBD_AUDIO_EP_SUBTYPE_GENERAL */ +} app_usbd_audio_ep_subtype_t; + +/** + * @brief Audio class specific requests + * + * @ref nrf_drv_usbd_setup_t::bmRequestType + */ +typedef enum { + APP_USBD_AUDIO_REQ_UNDEFINED = 0x00, /**< UNDEFINED request*/ + + APP_USBD_AUDIO_REQ_SET_CUR = 0x01, /**< SET_CUR request */ + APP_USBD_AUDIO_REQ_SET_MIN = 0x02, /**< SET_MIN request */ + APP_USBD_AUDIO_REQ_SET_MAX = 0x03, /**< SET_MAX request */ + APP_USBD_AUDIO_REQ_SET_RES = 0x04, /**< SET_RES request */ + APP_USBD_AUDIO_REQ_SET_MEM = 0x05, /**< SET_MEM request */ + + APP_USBD_AUDIO_REQ_GET_CUR = 0x81, /**< GET_CUR request */ + APP_USBD_AUDIO_REQ_GET_MIN = 0x82, /**< GET_MIN request */ + APP_USBD_AUDIO_REQ_GET_MAX = 0x83, /**< GET_MAX request */ + APP_USBD_AUDIO_REQ_GET_RES = 0x84, /**< GET_RES request */ + APP_USBD_AUDIO_REQ_GET_MEM = 0x85, /**< GET_MEM request */ + + APP_USBD_AUDIO_REQ_GET_STAT = 0xFF, /**< GET_STAT request */ +} app_usbd_audio_req_type_t; + +/** + * @brief Audio class terminal types + * */ +typedef enum { + /*USB terminals*/ + APP_USBD_AUDIO_TERMINAL_USB_UNDEFINED = 0x0100, /**< USB_UNDEFINED*/ + APP_USBD_AUDIO_TERMINAL_USB_STREAMING = 0x0101, /**< USB_STREAMING */ + APP_USBD_AUDIO_TERMINAL_USB_VENDOR_SPEC = 0x01FF, /**< USB_VENDOR_SPEC*/ + + /*Input terminals*/ + APP_USBD_AUDIO_TERMINAL_IN_UNDEFINED = 0x0200, /**< UNDEFINED */ + APP_USBD_AUDIO_TERMINAL_IN_MICROPHONE = 0x0201, /**< MICROPHONE */ + APP_USBD_AUDIO_TERMINAL_IN_DESKTOP_MIC = 0x0202, /**< DESKTOP_MIC */ + APP_USBD_AUDIO_TERMINAL_IN_PERSONAL_MIC = 0x0203, /**< PERSONAL_MIC */ + APP_USBD_AUDIO_TERMINAL_IN_OM_DIR_MIC = 0x0204, /**< OM_DIR_MIC */ + APP_USBD_AUDIO_TERMINAL_IN_MIC_ARRAY = 0x0205, /**< MIC_ARRAY */ + APP_USBD_AUDIO_TERMINAL_IN_PROC_MIC_ARRAY = 0x0205, /**< PROC_MIC_ARRAY */ + + /*Output terminals*/ + APP_USBD_AUDIO_TERMINAL_OUT_UNDEFINED = 0x0300, /**< UNDEFINED */ + APP_USBD_AUDIO_TERMINAL_OUT_SPEAKER = 0x0301, /**< SPEAKER */ + APP_USBD_AUDIO_TERMINAL_OUT_HEADPHONES = 0x0302, /**< HEADPHONES */ + APP_USBD_AUDIO_TERMINAL_OUT_HEAD_AUDIO = 0x0303, /**< HEAD_AUDIO */ + APP_USBD_AUDIO_TERMINAL_OUT_DESKTOP_SPEAKER = 0x0304, /**< DESKTOP_SPEAKER */ + APP_USBD_AUDIO_TERMINAL_OUT_ROOM_SPEAKER = 0x0305, /**< ROOM_SPEAKER */ + APP_USBD_AUDIO_TERMINAL_OUT_COMM_SPEAKER = 0x0306, /**< COMM_SPEAKER */ + APP_USBD_AUDIO_TERMINAL_OUT_LOW_FREQ_SPEAKER = 0x0307, /**< LOW_FREQ_SPEAKER */ + + /*Input/Output terminals*/ + APP_USBD_AUDIO_TERMINAL_IO_UNDEFINED = 0x0400, /**< UNDEFINED */ + APP_USBD_AUDIO_TERMINAL_IO_HANDSET = 0x0401, /**< HANDSET */ + APP_USBD_AUDIO_TERMINAL_IO_HEADSET = 0x0402, /**< HEADSET */ + APP_USBD_AUDIO_TERMINAL_IO_SPEAKERPHONE_ECHO_NONE = 0x0403, /**< SPEAKERPHONE_ECHO_NONE */ + APP_USBD_AUDIO_TERMINAL_IO_SPEAKERPHONE_ECHO_SUP = 0x0404, /**< SPEAKERPHONE_ECHO_SUP */ + APP_USBD_AUDIO_TERMINAL_IO_SPEAKERPHONE_ECHO_CAN = 0x0405, /**< SPEAKERPHONE_ECHO_CAN */ +} app_usbd_audio_terminal_type_t; + +/** + * @brief Audio class control interface header descriptor + */ +typedef struct { + uint8_t bLength; //!< Length of the descriptor + uint8_t bDescriptorType; //!< Descriptor type @ref APP_USBD_AUDIO_DESCRIPTOR_INTERFACE + uint8_t bDescriptorSubType; //!< Descriptor subtype @ref APP_USBD_AUDIO_AC_IFACE_SUBTYPE_HEADER + uint8_t bcdADC[2]; //!< BCD ADC + uint8_t wTotalLength[2]; //!< Total interfaces length + uint8_t bInCollection; //!< Input collection + uint8_t baInterfaceNr[]; //!< Interface number list +} app_usbd_audio_ac_iface_header_desc_t; + + +/** + * @brief Possible values of input terminal channel config + * + * @ref app_usbd_audio_input_terminal_desc_t::wChannelConfig + * */ +typedef enum { + APP_USBD_AUDIO_IN_TERM_CH_CONFIG_LEFT_FRONT = (1u << 0), /**< Channel config bit LEFT_FRONT */ + APP_USBD_AUDIO_IN_TERM_CH_CONFIG_RIGHT_FRONT = (1u << 1), /**< Channel config bit RIGHT_FRONT */ + APP_USBD_AUDIO_IN_TERM_CH_CONFIG_CENTER_FRONT = (1u << 2), /**< Channel config bit CENTER_FRONT */ + APP_USBD_AUDIO_IN_TERM_CH_CONFIG_LOW_FREQ_ENH = (1u << 3), /**< Channel config bit LOW_FREQ_ENH */ + APP_USBD_AUDIO_IN_TERM_CH_CONFIG_LEFT_SURROUND = (1u << 4), /**< Channel config bit LEFT_SURROUND */ + APP_USBD_AUDIO_IN_TERM_CH_CONFIG_RIGHT_SURROUND = (1u << 5), /**< Channel config bit RIGHT_SURROUND */ + APP_USBD_AUDIO_IN_TERM_CH_CONFIG_LEFT_OF_CENTER = (1u << 6), /**< Channel config bit LEFT_OF_CENTER */ + APP_USBD_AUDIO_IN_TERM_CH_CONFIG_RIGHT_OF_CENTER = (1u << 7), /**< Channel config bit RIGHT_OF_CENTER */ + APP_USBD_AUDIO_IN_TERM_CH_CONFIG_SURROUND = (1u << 8), /**< Channel config bit SURROUND */ + APP_USBD_AUDIO_IN_TERM_CH_CONFIG_SIDE_LEFT = (1u << 9), /**< Channel config bit SIDE_LEFT */ + APP_USBD_AUDIO_IN_TERM_CH_CONFIG_SIDE_RIGHT = (1u << 10), /**< Channel config bit SIDE_RIGHT */ + APP_USBD_AUDIO_IN_TERM_CH_CONFIG_TOP = (1u << 11), /**< Channel config bit TOP */ +} app_usbd_audio_in_term_ch_config_t; + +/** + * @brief Audio class input terminal descriptor + */ +typedef struct { + uint8_t bLength; //!< Length of the descriptor + uint8_t bDescriptorType; //!< Descriptor type @ref APP_USBD_AUDIO_DESCRIPTOR_INTERFACE + uint8_t bDescriptorSubType; //!< Descriptor subtype @ref APP_USBD_AUDIO_AC_IFACE_SUBTYPE_INPUT_TERMINAL + uint8_t bTerminalID; //!< Terminal ID + uint8_t wTerminalType[2]; //!< Terminal type + uint8_t bAssocTerminal; //!< Association terminal + uint8_t bNrChannels; //!< Number of channels + uint8_t wChannelConfig[2]; //!< Channel config + uint8_t iChannelNames; //!< Channel names + uint8_t iTerminal; //!< Terminal string ID +} app_usbd_audio_input_terminal_desc_t; + +/** + * @brief Audio class output terminal descriptor + */ +typedef struct { + uint8_t bLength; //!< Length of the descriptor + uint8_t bDescriptorType; //!< Descriptor type @ref APP_USBD_AUDIO_DESCRIPTOR_INTERFACE + uint8_t bDescriptorSubType; //!< Descriptor subtype @ref APP_USBD_AUDIO_AC_IFACE_SUBTYPE_OUTPUT_TERNINAL + uint8_t bTerminalID; //!< Terminal ID + uint8_t wTerminalType[2]; //!< Terminal type + uint8_t bAssocTerminal; //!< Association terminal + uint8_t bSourceID; //!< Source ID + uint8_t iTerminal; //!< Terminal string ID +} app_usbd_audio_output_terminal_desc_t; + +/** + * @brief Possible values of feature unit control field*/ +typedef enum { + APP_USBD_AUDIO_FEATURE_UNIT_CONTROL_MUTE = (1u << 0), /**< Feature unit control bit MUTE */ + APP_USBD_AUDIO_FEATURE_UNIT_CONTROL_VOLUME = (1u << 1), /**< Feature unit control bit VOLUME */ + APP_USBD_AUDIO_FEATURE_UNIT_CONTROL_BASS = (1u << 2), /**< Feature unit control bit BASS */ + APP_USBD_AUDIO_FEATURE_UNIT_CONTROL_MID = (1u << 3), /**< Feature unit control bit MID */ + APP_USBD_AUDIO_FEATURE_UNIT_CONTROL_TREBLE = (1u << 4), /**< Feature unit control bit TREBLE */ + APP_USBD_AUDIO_FEATURE_UNIT_CONTROL_GRAPH_EQ = (1u << 5), /**< Feature unit control bit GRAPH_EQ */ + APP_USBD_AUDIO_FEATURE_UNIT_CONTROL_AUTO_GAIN = (1u << 6), /**< Feature unit control bit AUTO_GAIN */ + APP_USBD_AUDIO_FEATURE_UNIT_CONTROL_DELAY = (1u << 7), /**< Feature unit control bit DELAY */ + APP_USBD_AUDIO_FEATURE_UNIT_CONTROL_BASS_BOOST = (1u << 8), /**< Feature unit control bit BASS_BOOST*/ + APP_USBD_AUDIO_FEATURE_UNIT_CONTROL_LOUDNESS = (1u << 9), /**< Feature unit control bit LOUDNESS */ +} app_usbd_audio_feature_unit_control_t; + +/** + * @brief Audio class feature unit descriptor + */ +typedef struct { + uint8_t bLength; //!< Length of the descriptor + uint8_t bDescriptorType; //!< Descriptor type @ref APP_USBD_AUDIO_DESCRIPTOR_INTERFACE + uint8_t bDescriptorSubType; //!< Descriptor subtype @ref APP_USBD_AUDIO_AC_IFACE_SUBTYPE_FEATURE_UNIT + uint8_t bUnitID; //!< Unit ID + uint8_t bSourceID; //!< Source ID + uint8_t bControlSize; //!< Control size + uint8_t bmaControls[]; //!< Controls array +} app_usbd_audio_feature_unit_desc_t; + +/** + * @brief Format tag in audio streaming interface descriptor + * + * @ref app_usbd_audio_as_iface_desc_t::wFormatTag + * */ +typedef enum { + APP_USBD_AUDIO_AS_IFACE_FORMAT_TYPE_I_UNDEFINED = 0x0000, /**< AS format TYPE_I_UNDEFINED */ + APP_USBD_AUDIO_AS_IFACE_FORMAT_PCM = 0x0001, /**< AS format PCM */ + APP_USBD_AUDIO_AS_IFACE_FORMAT_PCM8 = 0x0002, /**< AS format PCM8 */ + APP_USBD_AUDIO_AS_IFACE_FORMAT_IEEE_FLOAT = 0x0003, /**< AS format IEEE_FLOAT */ + APP_USBD_AUDIO_AS_IFACE_FORMAT_ALAW = 0x0004, /**< AS format ALAW */ + APP_USBD_AUDIO_AS_IFACE_FORMAT_MULAW = 0x0005, /**< AS format MULAW */ + + APP_USBD_AUDIO_AS_IFACE_FORMAT_TYPE_II_UNDEFINED = 0x1000, /**< AS format TYPE_II_UNDEFINED */ + APP_USBD_AUDIO_AS_IFACE_FORMAT_MPEG = 0x1001, /**< AS format MPEG */ + APP_USBD_AUDIO_AS_IFACE_FORMAT_AC3 = 0x1002, /**< AS format AC3 */ + + APP_USBD_AUDIO_AS_IFACE_FORMAT_TYPE_III_UNDEFINED = 0x2000, /**< AS format TYPE_III_UNDEFINED */ + APP_USBD_AUDIO_AS_IFACE_FORMAT_IEC1937_AC_3 = 0x2001, /**< AS format IEC1937_AC_3 */ + APP_USBD_AUDIO_AS_IFACE_FORMAT_IEC1937_MPEG_1_LAYER1 = 0x2002, /**< AS format IEC1937_MPEG_1_LAYER1 */ + APP_USBD_AUDIO_AS_IFACE_FORMAT_IEC1937_MPEG_2_NOEXT = 0x2003, /**< AS format IEC1937_MPEG_2_NOEXT */ + APP_USBD_AUDIO_AS_IFACE_FORMAT_IEC1937_MPEG_2_EXT = 0x2004, /**< AS format IEC1937_MPEG_2_EXT */ + APP_USBD_AUDIO_AS_IFACE_FORMAT_IEC1937_MPEG_2_LAYER1_LS = 0x2005, /**< AS format IEC1937_MPEG_2_LAYER1_LS */ + APP_USBD_AUDIO_AS_IFACE_FORMAT_IEC1937_MPEG_2_LAYER23_LS = 0x2005, /**< AS format IEC1937_MPEG_2_LAYER23_LS */ +} app_usbd_audio_as_iface_format_tag_t; + +/** + * @brief Audio class audio streaming interface descriptor + */ +typedef struct { + uint8_t bLength; //!< Length of the descriptor + uint8_t bDescriptorType; //!< Descriptor type @ref APP_USBD_AUDIO_DESCRIPTOR_INTERFACE + uint8_t bDescriptorSubType; //!< Descriptor subtype @ref app_usbd_audio_ac_iface_subtype_t + uint8_t bTerminalLink; //!< Terminal link + uint8_t bDelay; //!< Delay + uint8_t wFormatTag[2]; //!< Format TAG +} app_usbd_audio_as_iface_desc_t; + +/** + * @brief Audio class audio streaming format type I descriptor + */ +typedef struct { + uint8_t bLength; //!< Length of the descriptor + uint8_t bDescriptorType; //!< Descriptor type @ref APP_USBD_AUDIO_DESCRIPTOR_INTERFACE + uint8_t bDescriptorSubType; //!< Descriptor subtype @ref app_usbd_audio_as_iface_subtype_t + uint8_t bFormatType; //!< Format type: fixed value 1 + uint8_t bNrChannels; //!< Number of channels + uint8_t bSubframeSize; //!< Subframe size + uint8_t bBitResolution; //!< Bit resolution + uint8_t bSamFreqType; //!< Number of supported sampling frequencies + uint8_t tSamFreq[]; //!< Number of supported sampling frequencies table (24 bit entries) +} app_usbd_audio_as_format_type_one_desc_t; + + +/** + * @brief Audio class audio streaming format type II descriptor + */ +typedef struct { + uint8_t bLength; //!< Length of the descriptor + uint8_t bDescriptorType; //!< Descriptor type @ref APP_USBD_AUDIO_DESCRIPTOR_INTERFACE + uint8_t bDescriptorSubType; //!< Descriptor subtype @ref app_usbd_audio_as_iface_subtype_t + uint8_t bFormatType; //!< Format type: fixed value 2 + uint8_t wMaxBitRate[2]; //!< Maximum bitrate + uint8_t wSamplesPerFrame[2]; //!< Samples per frame + uint8_t bSamFreqType; //!< Number of supported sampling frequencies + uint8_t tSamFreq[]; //!< Number of supported sampling frequencies table (24 bit entries) +} app_usbd_audio_as_format_type_two_desc_t; + +/** + * @brief Audio class audio streaming format type III descriptor + */ +typedef struct { + uint8_t bLength; //!< Length of the descriptor + uint8_t bDescriptorType; //!< Descriptor type @ref APP_USBD_AUDIO_DESCRIPTOR_INTERFACE + uint8_t bDescriptorSubType; //!< Descriptor subtype @ref app_usbd_audio_as_iface_subtype_t + uint8_t bFormatType; //!< Format type: fixed value 1 + uint8_t bNrChannels; //!< Number of channels + uint8_t bSubframeSize; //!< Subframe size + uint8_t bBitResolution; //!< Bit resolution + uint8_t bSamFreqType; //!< Number of supported sampling frequencies + uint8_t tSamFreq[]; //!< Number of supported sampling frequencies table (24 bit entries) +} app_usbd_audio_as_format_type_three_desc_t; + +/** + * @brief Audio class audio endpoint descriptor + */ +typedef struct { + uint8_t bLength; //!< Length of the descriptor + uint8_t bDescriptorType; //!< Descriptor type @ref APP_USBD_AUDIO_DESCRIPTOR_ENDPOINT + uint8_t bDescriptorSubType; //!< Descriptor subtype @ref APP_USBD_AUDIO_EP_SUBTYPE_GENERAL + uint8_t bmAttributes; //!< Audio endpoint attributes + uint8_t bLockDelayUnits; //!< Lock delay units + uint8_t wLockDelay[2]; //!< Lock delay value +} app_usbd_audio_as_endpoint_desc_t; + +/** @} */ + +#ifdef __cplusplus +} +#endif + +#endif /* APP_USBD_AUDIO_TYPES_H__ */ + |