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/*
* The MIT License (MIT)
*
* Copyright (c) 2022 HiFiPhile
*
* 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.
*
*/
#ifndef USB_DESCRIPTORS_H_
#define USB_DESCRIPTORS_H_
// #include "tusb.h"
// Unit numbers are arbitrary selected
#define UAC2_ENTITY_CLOCK 0x04
#define UAC2_ENTITY_INPUT_TERMINAL 0x01
#define UAC2_ENTITY_OUTPUT_TERMINAL 0x03
#define UAC2_ENTITY_FEATURE_UNIT 0x02
#define TUD_AUDIO20_MIC_ONE_CH_2_FORMAT_DESC_LEN (TUD_AUDIO20_DESC_IAD_LEN\
+ TUD_AUDIO20_DESC_STD_AC_LEN\
+ TUD_AUDIO20_DESC_CS_AC_LEN\
+ TUD_AUDIO20_DESC_CLK_SRC_LEN\
+ TUD_AUDIO20_DESC_INPUT_TERM_LEN\
+ TUD_AUDIO20_DESC_OUTPUT_TERM_LEN\
+ TUD_AUDIO20_DESC_FEATURE_UNIT_LEN(1)\
/* Interface 1, Alternate 0 */\
+ TUD_AUDIO20_DESC_STD_AS_LEN\
/* Interface 1, Alternate 1 */\
+ TUD_AUDIO20_DESC_STD_AS_LEN\
+ TUD_AUDIO20_DESC_CS_AS_INT_LEN\
+ TUD_AUDIO20_DESC_TYPE_I_FORMAT_LEN\
+ TUD_AUDIO20_DESC_STD_AS_ISO_EP_LEN\
+ TUD_AUDIO20_DESC_CS_AS_ISO_EP_LEN\
/* Interface 1, Alternate 2 */\
+ TUD_AUDIO20_DESC_STD_AS_LEN\
+ TUD_AUDIO20_DESC_CS_AS_INT_LEN\
+ TUD_AUDIO20_DESC_TYPE_I_FORMAT_LEN\
+ TUD_AUDIO20_DESC_STD_AS_ISO_EP_LEN\
+ TUD_AUDIO20_DESC_CS_AS_ISO_EP_LEN)
#define TUD_AUDIO20_MIC_ONE_CH_2_FORMAT_DESCRIPTOR(_itfnum, _stridx, _epin) \
/* Standard Interface Association Descriptor (IAD) */\
TUD_AUDIO20_DESC_IAD(/*_firstitf*/ _itfnum, /*_nitfs*/ 0x02, /*_stridx*/ 0x00),\
/* Standard AC Interface Descriptor(4.7.1) */\
TUD_AUDIO20_DESC_STD_AC(/*_itfnum*/ _itfnum, /*_nEPs*/ 0x00, /*_stridx*/ _stridx),\
/* Class-Specific AC Interface Header Descriptor(4.7.2) */\
TUD_AUDIO20_DESC_CS_AC(/*_bcdADC*/ 0x0200, /*_category*/ AUDIO20_FUNC_MICROPHONE, /*_totallen*/ TUD_AUDIO20_DESC_CLK_SRC_LEN+TUD_AUDIO20_DESC_INPUT_TERM_LEN+TUD_AUDIO20_DESC_OUTPUT_TERM_LEN+TUD_AUDIO20_DESC_FEATURE_UNIT_LEN(1), /*_ctrl*/ AUDIO20_CS_AS_INTERFACE_CTRL_LATENCY_POS),\
/* Clock Source Descriptor(4.7.2.1) */\
TUD_AUDIO20_DESC_CLK_SRC(/*_clkid*/ UAC2_ENTITY_CLOCK, /*_attr*/ AUDIO20_CLOCK_SOURCE_ATT_INT_PRO_CLK, /*_ctrl*/ AUDIO20_CTRL_RW << AUDIO20_CLOCK_SOURCE_CTRL_CLK_FRQ_POS | AUDIO20_CTRL_R << AUDIO20_CLOCK_SOURCE_CTRL_CLK_VAL_POS, /*_assocTerm*/ 0x01, /*_stridx*/ 0x00),\
/* Input Terminal Descriptor(4.7.2.4) */\
TUD_AUDIO20_DESC_INPUT_TERM(/*_termid*/ UAC2_ENTITY_INPUT_TERMINAL, /*_termtype*/ AUDIO_TERM_TYPE_IN_GENERIC_MIC, /*_assocTerm*/ UAC2_ENTITY_OUTPUT_TERMINAL, /*_clkid*/ UAC2_ENTITY_CLOCK, /*_nchannelslogical*/ 0x01, /*_channelcfg*/ AUDIO20_CHANNEL_CONFIG_NON_PREDEFINED, /*_idxchannelnames*/ 0x00, /*_ctrl*/ AUDIO20_CTRL_R << AUDIO20_IN_TERM_CTRL_CONNECTOR_POS, /*_stridx*/ 0x00),\
/* Output Terminal Descriptor(4.7.2.5) */\
TUD_AUDIO20_DESC_OUTPUT_TERM(/*_termid*/ UAC2_ENTITY_OUTPUT_TERMINAL, /*_termtype*/ AUDIO_TERM_TYPE_USB_STREAMING, /*_assocTerm*/ UAC2_ENTITY_INPUT_TERMINAL, /*_srcid*/ UAC2_ENTITY_FEATURE_UNIT, /*_clkid*/ UAC2_ENTITY_CLOCK, /*_ctrl*/ 0x0000, /*_stridx*/ 0x00),\
/* Feature Unit Descriptor(4.7.2.8) */\
TUD_AUDIO20_DESC_FEATURE_UNIT(/*_unitid*/ UAC2_ENTITY_FEATURE_UNIT, /*_srcid*/ 0x01, /*_stridx*/ 0x00, /*_ctrlch0master*/ AUDIO20_CTRL_RW << AUDIO20_FEATURE_UNIT_CTRL_MUTE_POS | AUDIO20_CTRL_RW << AUDIO20_FEATURE_UNIT_CTRL_VOLUME_POS, /*_ctrlch1*/ AUDIO20_CTRL_RW << AUDIO20_FEATURE_UNIT_CTRL_MUTE_POS | AUDIO20_CTRL_RW << AUDIO20_FEATURE_UNIT_CTRL_VOLUME_POS),\
/* Standard AS Interface Descriptor(4.9.1) */\
/* Interface 1, Alternate 0 - default alternate setting with 0 bandwidth */\
TUD_AUDIO20_DESC_STD_AS_INT(/*_itfnum*/ (uint8_t)((_itfnum)+1), /*_altset*/ 0x00, /*_nEPs*/ 0x00, /*_stridx*/ 0x00),\
/* Standard AS Interface Descriptor(4.9.1) */\
/* Interface 1, Alternate 1 - alternate interface for data streaming */\
TUD_AUDIO20_DESC_STD_AS_INT(/*_itfnum*/ (uint8_t)((_itfnum)+1), /*_altset*/ 0x01, /*_nEPs*/ 0x01, /*_stridx*/ 0x00),\
/* Class-Specific AS Interface Descriptor(4.9.2) */\
TUD_AUDIO20_DESC_CS_AS_INT(/*_termid*/ UAC2_ENTITY_OUTPUT_TERMINAL, /*_ctrl*/ AUDIO20_CTRL_NONE, /*_formattype*/ AUDIO20_FORMAT_TYPE_I, /*_formats*/ AUDIO20_DATA_FORMAT_TYPE_I_PCM, /*_nchannelsphysical*/ 0x01, /*_channelcfg*/ AUDIO20_CHANNEL_CONFIG_NON_PREDEFINED, /*_stridx*/ 0x00),\
/* Type I Format Type Descriptor(2.3.1.6 - Audio Formats) */\
TUD_AUDIO20_DESC_TYPE_I_FORMAT(CFG_TUD_AUDIO_FUNC_1_FORMAT_1_N_BYTES_PER_SAMPLE_TX, CFG_TUD_AUDIO_FUNC_1_FORMAT_1_RESOLUTION_RX),\
/* Standard AS Isochronous Audio Data Endpoint Descriptor(4.10.1.1) */\
TUD_AUDIO20_DESC_STD_AS_ISO_EP(/*_ep*/ _epin, /*_attr*/ ((uint8_t)TUSB_XFER_ISOCHRONOUS | (uint8_t)TUSB_ISO_EP_ATT_ASYNCHRONOUS | (uint8_t)TUSB_ISO_EP_ATT_DATA), /*_maxEPsize*/ CFG_TUD_AUDIO20_FUNC_1_FORMAT_1_EP_SZ_IN, /*_interval*/ 0x01),\
/* Class-Specific AS Isochronous Audio Data Endpoint Descriptor(4.10.1.2) */\
TUD_AUDIO20_DESC_CS_AS_ISO_EP(/*_attr*/ AUDIO20_CS_AS_ISO_DATA_EP_ATT_NON_MAX_PACKETS_OK, /*_ctrl*/ AUDIO20_CTRL_NONE, /*_lockdelayunit*/ AUDIO20_CS_AS_ISO_DATA_EP_LOCK_DELAY_UNIT_UNDEFINED, /*_lockdelay*/ 0x0000),\
/* Interface 1, Alternate 2 - alternate interface for data streaming */\
TUD_AUDIO20_DESC_STD_AS_INT(/*_itfnum*/ (uint8_t)((_itfnum)+1), /*_altset*/ 0x02, /*_nEPs*/ 0x01, /*_stridx*/ 0x00),\
/* Class-Specific AS Interface Descriptor(4.9.2) */\
TUD_AUDIO20_DESC_CS_AS_INT(/*_termid*/ UAC2_ENTITY_OUTPUT_TERMINAL, /*_ctrl*/ AUDIO20_CTRL_NONE, /*_formattype*/ AUDIO20_FORMAT_TYPE_I, /*_formats*/ AUDIO20_DATA_FORMAT_TYPE_I_PCM, /*_nchannelsphysical*/ 0x01, /*_channelcfg*/ AUDIO20_CHANNEL_CONFIG_NON_PREDEFINED, /*_stridx*/ 0x00),\
/* Type I Format Type Descriptor(2.3.1.6 - Audio Formats) */\
TUD_AUDIO20_DESC_TYPE_I_FORMAT(CFG_TUD_AUDIO_FUNC_1_FORMAT_2_N_BYTES_PER_SAMPLE_TX, CFG_TUD_AUDIO_FUNC_1_FORMAT_2_RESOLUTION_RX),\
/* Standard AS Isochronous Audio Data Endpoint Descriptor(4.10.1.1) */\
TUD_AUDIO20_DESC_STD_AS_ISO_EP(/*_ep*/ _epin, /*_attr*/ ((uint8_t)TUSB_XFER_ISOCHRONOUS | (uint8_t)TUSB_ISO_EP_ATT_ASYNCHRONOUS | (uint8_t)TUSB_ISO_EP_ATT_DATA), /*_maxEPsize*/ CFG_TUD_AUDIO20_FUNC_1_FORMAT_2_EP_SZ_IN, /*_interval*/ 0x01),\
/* Class-Specific AS Isochronous Audio Data Endpoint Descriptor(4.10.1.2) */\
TUD_AUDIO20_DESC_CS_AS_ISO_EP(/*_attr*/ AUDIO20_CS_AS_ISO_DATA_EP_ATT_NON_MAX_PACKETS_OK, /*_ctrl*/ AUDIO20_CTRL_NONE, /*_lockdelayunit*/ AUDIO20_CS_AS_ISO_DATA_EP_LOCK_DELAY_UNIT_UNDEFINED, /*_lockdelay*/ 0x0000)
#endif
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