Merge pull request #538 from kasjer/kasjer/uac2
audio: Add headset example
This commit is contained in:
Ha Thach
GitHub
commit
43cb5fabfd
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include ../../../tools/top.mk
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include ../../make.mk
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INC += \
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src \
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$(TOP)/hw \
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# Example source
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EXAMPLE_SOURCE += $(wildcard src/*.c)
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SRC_C += $(addprefix $(CURRENT_PATH)/, $(EXAMPLE_SOURCE))
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include ../../rules.mk
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@ -0,0 +1,391 @@
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/*
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* The MIT License (MIT)
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*
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* Copyright (c) 2020 Jerzy Kasenberg
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*
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*/
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#include <stdio.h>
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#include <string.h>
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#include "bsp/board.h"
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#include "tusb.h"
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#include "usb_descriptors.h"
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//--------------------------------------------------------------------+
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// MACRO CONSTANT TYPEDEF PROTOTYPES
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//--------------------------------------------------------------------+
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/* Blink pattern
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* - 25 ms : streaming data
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* - 250 ms : device not mounted
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* - 1000 ms : device mounted
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* - 2500 ms : device is suspended
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*/
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enum
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{
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BLINK_STREAMING = 25,
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BLINK_NOT_MOUNTED = 250,
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BLINK_MOUNTED = 1000,
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BLINK_SUSPENDED = 2500,
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};
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enum
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{
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VOLUME_CTRL_0_DB = 0,
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VOLUME_CTRL_10_DB = 2560,
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VOLUME_CTRL_20_DB = 5120,
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VOLUME_CTRL_30_DB = 7680,
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VOLUME_CTRL_40_DB = 10240,
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VOLUME_CTRL_50_DB = 12800,
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VOLUME_CTRL_60_DB = 15360,
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VOLUME_CTRL_70_DB = 17920,
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VOLUME_CTRL_80_DB = 20480,
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VOLUME_CTRL_90_DB = 23040,
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VOLUME_CTRL_100_DB = 25600,
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VOLUME_CTRL_SILENCE = 0x8000,
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};
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static uint32_t blink_interval_ms = BLINK_NOT_MOUNTED;
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// Audio controls
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// Current states
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int8_t mute[CFG_TUD_AUDIO_N_CHANNELS_TX + 1]; // +1 for master channel 0
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int16_t volume[CFG_TUD_AUDIO_N_CHANNELS_TX + 1]; // +1 for master channel 0
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// Buffer for microphone data
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int16_t mic_buf[1000];
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// Buffer for speaker data
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int16_t spk_buf[1000];
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// Speaker data size received in the last frame
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int spk_data_size;
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void led_blinking_task(void);
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void audio_task(void);
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/*------------- MAIN -------------*/
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int main(void)
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{
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board_init();
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tusb_init();
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TU_LOG1("Headset running\r\n");
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while (1)
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{
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tud_task(); // TinyUSB device task
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audio_task();
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led_blinking_task();
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}
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return 0;
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}
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//--------------------------------------------------------------------+
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// Device callbacks
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//--------------------------------------------------------------------+
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// Invoked when device is mounted
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void tud_mount_cb(void)
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{
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blink_interval_ms = BLINK_MOUNTED;
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}
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// Invoked when device is unmounted
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void tud_umount_cb(void)
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{
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blink_interval_ms = BLINK_NOT_MOUNTED;
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}
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// Invoked when usb bus is suspended
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// remote_wakeup_en : if host allow us to perform remote wakeup
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// Within 7ms, device must draw an average of current less than 2.5 mA from bus
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void tud_suspend_cb(bool remote_wakeup_en)
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{
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(void)remote_wakeup_en;
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blink_interval_ms = BLINK_SUSPENDED;
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}
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// Invoked when usb bus is resumed
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void tud_resume_cb(void)
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{
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blink_interval_ms = BLINK_MOUNTED;
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}
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typedef struct TU_ATTR_PACKED
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{
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union
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{
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struct TU_ATTR_PACKED
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{
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uint8_t recipient : 5; ///< Recipient type tusb_request_recipient_t.
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uint8_t type : 2; ///< Request type tusb_request_type_t.
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uint8_t direction : 1; ///< Direction type. tusb_dir_t
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} bmRequestType_bit;
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uint8_t bmRequestType;
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};
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audio_cs_req_t bRequest;
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uint8_t bChannelNumber;
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uint8_t bControlSelector;
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union
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{
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uint8_t bInterface;
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uint8_t bEndpoint;
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};
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uint8_t bEntityID;
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uint16_t wLength;
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} audio_control_request_t;
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// Helper for clock get requests
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static bool tud_audio_clock_get_request(uint8_t rhport, audio_control_request_t const *request)
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{
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TU_ASSERT(request->bEntityID == UAC2_ENTITY_CLOCK);
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// Example supports only single frequency, same value will be used for current value and range
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if (request->bControlSelector == AUDIO_CS_CTRL_SAM_FREQ)
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{
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if (request->bRequest == AUDIO_CS_REQ_CUR)
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{
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TU_LOG2("Clock get current freq %u\r\n", AUDIO_SAMPLE_RATE);
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audio_control_cur_4_t curf = { tu_htole32(AUDIO_SAMPLE_RATE) };
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return tud_audio_buffer_and_schedule_control_xfer(rhport, (tusb_control_request_t const *)request, &curf, sizeof(curf));
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}
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else if (request->bRequest == AUDIO_CS_REQ_RANGE)
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{
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audio_control_range_4_n_t(1) rangef =
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{
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.wNumSubRanges = tu_htole16(1),
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.subrange[0] = { tu_htole32(AUDIO_SAMPLE_RATE), tu_htole32(AUDIO_SAMPLE_RATE), 0}
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};
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TU_LOG2("Clock get freq range (%d, %d, %d)\r\n", (int)rangef.subrange[0].bMin, (int)rangef.subrange[0].bMax, (int)rangef.subrange[0].bRes);
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return tud_audio_buffer_and_schedule_control_xfer(rhport, (tusb_control_request_t const *)request, &rangef, sizeof(rangef));
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}
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}
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else if (request->bControlSelector == AUDIO_CS_CTRL_CLK_VALID &&
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request->bRequest == AUDIO_CS_REQ_CUR)
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{
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audio_control_cur_1_t cur_valid = { .bCur = 1 };
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TU_LOG2("Clock get is valid %u\r\n", cur_valid.bCur);
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return tud_audio_buffer_and_schedule_control_xfer(rhport, (tusb_control_request_t const *)request, &cur_valid, sizeof(cur_valid));
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}
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TU_LOG1("Clock get request not supported, entity = %u, selector = %u, request = %u\r\n",
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request->bEntityID, request->bControlSelector, request->bRequest);
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return false;
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}
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// Helper for feature unit get requests
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static bool tud_audio_feature_unit_get_request(uint8_t rhport, audio_control_request_t const *request)
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{
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TU_ASSERT(request->bEntityID == UAC2_ENTITY_SPK_FEATURE_UNIT);
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if (request->bControlSelector == AUDIO_FU_CTRL_MUTE && request->bRequest == AUDIO_CS_REQ_CUR)
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{
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audio_control_cur_1_t mute1 = { .bCur = mute[request->bChannelNumber] };
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TU_LOG2("Get channel %u mute %d\r\n", request->bChannelNumber, mute1.bCur);
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return tud_audio_buffer_and_schedule_control_xfer(rhport, (tusb_control_request_t const *)request, &mute1, sizeof(mute1));
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}
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else if (UAC2_ENTITY_SPK_FEATURE_UNIT && request->bControlSelector == AUDIO_FU_CTRL_VOLUME)
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{
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if (request->bRequest == AUDIO_CS_REQ_RANGE)
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{
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audio_control_range_2_n_t(1) range_vol = {
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.wNumSubRanges = tu_htole16(1),
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.subrange[0] = { .bMin = tu_htole16(-VOLUME_CTRL_50_DB), tu_htole16(VOLUME_CTRL_0_DB), tu_htole16(256) }
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};
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TU_LOG2("Get channel %u volume range (%d, %d, %u) dB\r\n", request->bChannelNumber,
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range_vol.subrange[0].bMin / 256, range_vol.subrange[0].bMax / 256, range_vol.subrange[0].bRes / 256);
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return tud_audio_buffer_and_schedule_control_xfer(rhport, (tusb_control_request_t const *)request, &range_vol, sizeof(range_vol));
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}
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else if (request->bRequest == AUDIO_CS_REQ_CUR)
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{
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audio_control_cur_2_t cur_vol = { .bCur = tu_htole16(volume[request->bChannelNumber]) };
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TU_LOG2("Get channel %u volume %u dB\r\n", request->bChannelNumber, cur_vol.bCur);
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return tud_audio_buffer_and_schedule_control_xfer(rhport, (tusb_control_request_t const *)request, &cur_vol, sizeof(cur_vol));
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}
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}
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TU_LOG1("Feature unit get request not supported, entity = %u, selector = %u, request = %u\r\n",
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request->bEntityID, request->bControlSelector, request->bRequest);
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return false;
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}
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// Helper for feature unit set requests
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static bool tud_audio_feature_unit_set_request(uint8_t rhport, audio_control_request_t const *request, uint8_t const *buf)
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{
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(void)rhport;
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TU_ASSERT(request->bEntityID == UAC2_ENTITY_SPK_FEATURE_UNIT);
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TU_VERIFY(request->bRequest == AUDIO_CS_REQ_CUR);
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if (request->bControlSelector == AUDIO_FU_CTRL_MUTE)
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{
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TU_VERIFY(request->wLength == sizeof(audio_control_cur_1_t));
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mute[request->bChannelNumber] = ((audio_control_cur_1_t *)buf)->bCur;
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TU_LOG2("Set channel %d Mute: %d\r\n", request->bChannelNumber, mute[request->bChannelNumber]);
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return true;
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}
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else if (request->bControlSelector == AUDIO_FU_CTRL_VOLUME)
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{
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TU_VERIFY(request->wLength == sizeof(audio_control_cur_2_t));
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volume[request->bChannelNumber] = ((audio_control_cur_2_t const *)buf)->bCur;
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TU_LOG2("Set channel %d volume: %d dB\r\n", request->bChannelNumber, volume[request->bChannelNumber] / 256);
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return true;
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}
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else
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{
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TU_LOG1("Feature unit set request not supported, entity = %u, selector = %u, request = %u\r\n",
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request->bEntityID, request->bControlSelector, request->bRequest);
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return false;
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}
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}
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//--------------------------------------------------------------------+
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// Application Callback API Implementations
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//--------------------------------------------------------------------+
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// Invoked when audio class specific get request received for an entity
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bool tud_audio_get_req_entity_cb(uint8_t rhport, tusb_control_request_t const *p_request)
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{
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audio_control_request_t *request = (audio_control_request_t *)p_request;
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if (request->bEntityID == UAC2_ENTITY_CLOCK)
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return tud_audio_clock_get_request(rhport, request);
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if (request->bEntityID == UAC2_ENTITY_SPK_FEATURE_UNIT)
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return tud_audio_feature_unit_get_request(rhport, request);
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else
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{
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TU_LOG1("Get request not handled, entity = %d, selector = %d, request = %d\r\n",
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request->bEntityID, request->bControlSelector, request->bRequest);
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}
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return false;
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}
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// Invoked when audio class specific set request received for an entity
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bool tud_audio_set_req_entity_cb(uint8_t rhport, tusb_control_request_t const *p_request, uint8_t *buf)
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{
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audio_control_request_t const *request = (audio_control_request_t const *)p_request;
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if (request->bEntityID == UAC2_ENTITY_SPK_FEATURE_UNIT)
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return tud_audio_feature_unit_set_request(rhport, request, buf);
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TU_LOG1("Set request not handled, entity = %d, selector = %d, request = %d\r\n",
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request->bEntityID, request->bControlSelector, request->bRequest);
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return false;
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}
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bool tud_audio_set_itf_close_EP_cb(uint8_t rhport, tusb_control_request_t const * p_request)
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{
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(void)rhport;
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uint8_t const itf = tu_u16_low(tu_le16toh(p_request->wIndex));
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uint8_t const alt = tu_u16_low(tu_le16toh(p_request->wValue));
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if (ITF_NUM_AUDIO_STREAMING_SPK == itf && alt == 0)
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blink_interval_ms = BLINK_MOUNTED;
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return true;
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}
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bool tud_audio_set_itf_cb(uint8_t rhport, tusb_control_request_t const * p_request)
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{
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(void)rhport;
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uint8_t const itf = tu_u16_low(tu_le16toh(p_request->wIndex));
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uint8_t const alt = tu_u16_low(tu_le16toh(p_request->wValue));
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TU_LOG2("Set interface %d alt %d\r\n", itf, alt);
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if (ITF_NUM_AUDIO_STREAMING_SPK == itf && alt != 0)
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blink_interval_ms = BLINK_STREAMING;
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return true;
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}
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bool tud_audio_rx_done_cb(uint8_t rhport, uint8_t *buffer, uint16_t buf_size)
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{
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(void)rhport;
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spk_data_size = buf_size;
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memcpy(spk_buf, buffer, buf_size);
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return true;
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}
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bool tud_audio_tx_done_pre_load_cb(uint8_t rhport, uint8_t itf, uint8_t ep_in, uint8_t cur_alt_setting)
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{
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(void)rhport;
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(void)itf;
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(void)ep_in;
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(void)cur_alt_setting;
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// This callback could be used to fill microphone data separately
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return true;
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}
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//--------------------------------------------------------------------+
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// AUDIO Task
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//--------------------------------------------------------------------+
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void audio_task(void)
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{
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// When new data arrived, copy data from speaker buffer, to microphone buffer
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// and send it over
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if (spk_data_size)
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{
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int16_t *src = spk_buf;
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int16_t *limit = spk_buf + spk_data_size / 2;
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int16_t *dst = mic_buf;
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while (src < limit)
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{
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// Combine two channels into one
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int32_t left = *src++;
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int32_t right = *src++;
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*dst++ = (int16_t)((left + right) / 2);
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}
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tud_audio_write((uint8_t *)mic_buf, spk_data_size / 2);
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spk_data_size = 0;
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}
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}
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//--------------------------------------------------------------------+
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// BLINKING TASK
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//--------------------------------------------------------------------+
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void led_blinking_task(void)
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{
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static uint32_t start_ms = 0;
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static bool led_state = false;
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// Blink every interval ms
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if (board_millis() - start_ms < blink_interval_ms) return;
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start_ms += blink_interval_ms;
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board_led_write(led_state);
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led_state = 1 - led_state;
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}
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@ -0,0 +1,134 @@
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/*
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* The MIT License (MIT)
|
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*
|
||||
* Copyright (c) 2020 Ha Thach (tinyusb.org)
|
||||
* Copyright (c) 2020 Jerzy Kasenberg
|
||||
*
|
||||
* 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 _TUSB_CONFIG_H_
|
||||
#define _TUSB_CONFIG_H_
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
//--------------------------------------------------------------------
|
||||
// COMMON CONFIGURATION
|
||||
//--------------------------------------------------------------------
|
||||
|
||||
// defined by compiler flags for flexibility
|
||||
#ifndef CFG_TUSB_MCU
|
||||
#error CFG_TUSB_MCU must be defined
|
||||
#endif
|
||||
|
||||
#if CFG_TUSB_MCU == OPT_MCU_LPC43XX || CFG_TUSB_MCU == OPT_MCU_LPC18XX || CFG_TUSB_MCU == OPT_MCU_MIMXRT10XX
|
||||
#define CFG_TUSB_RHPORT0_MODE (OPT_MODE_DEVICE | OPT_MODE_HIGH_SPEED)
|
||||
#else
|
||||
#define CFG_TUSB_RHPORT0_MODE OPT_MODE_DEVICE
|
||||
#endif
|
||||
|
||||
#define CFG_TUSB_OS OPT_OS_NONE
|
||||
|
||||
#ifndef CFG_TUSB_DEBUG
|
||||
// Can be set during compilation i.e.: make LOG=<value for CFG_TUSB_DEBUG> BOARD=<bsp>
|
||||
// Keep in mind that enabling logs when data is streaming can disrupt data flow.
|
||||
// It can be very helpful though when audio unit requests are tested/debugged.
|
||||
#define CFG_TUSB_DEBUG 0
|
||||
#endif
|
||||
|
||||
/* USB DMA on some MCUs can only access a specific SRAM region with restriction on alignment.
|
||||
* Tinyusb use follows macros to declare transferring memory so that they can be put
|
||||
* into those specific section.
|
||||
* e.g
|
||||
* - CFG_TUSB_MEM SECTION : __attribute__ (( section(".usb_ram") ))
|
||||
* - CFG_TUSB_MEM_ALIGN : __attribute__ ((aligned(4)))
|
||||
*/
|
||||
#ifndef CFG_TUSB_MEM_SECTION
|
||||
#define CFG_TUSB_MEM_SECTION
|
||||
#endif
|
||||
|
||||
#ifndef CFG_TUSB_MEM_ALIGN
|
||||
#define CFG_TUSB_MEM_ALIGN __attribute__ ((aligned(4)))
|
||||
#endif
|
||||
|
||||
//--------------------------------------------------------------------
|
||||
// DEVICE CONFIGURATION
|
||||
//--------------------------------------------------------------------
|
||||
|
||||
#ifndef CFG_TUD_ENDPOINT0_SIZE
|
||||
#define CFG_TUD_ENDPOINT0_SIZE 64
|
||||
#endif
|
||||
|
||||
//------------- CLASS -------------//
|
||||
#define CFG_TUD_CDC 0
|
||||
#define CFG_TUD_MSC 0
|
||||
#define CFG_TUD_HID 0
|
||||
#define CFG_TUD_MIDI 0
|
||||
#define CFG_TUD_AUDIO 1
|
||||
#define CFG_TUD_VENDOR 0
|
||||
|
||||
//--------------------------------------------------------------------
|
||||
// AUDIO CLASS DRIVER CONFIGURATION
|
||||
//--------------------------------------------------------------------
|
||||
|
||||
#ifndef AUDIO_SAMPLE_RATE
|
||||
#define AUDIO_SAMPLE_RATE 48000
|
||||
#endif
|
||||
|
||||
#define CFG_TUD_AUDIO_IN_PATH (CFG_TUD_AUDIO)
|
||||
#define CFG_TUD_AUDIO_OUT_PATH (CFG_TUD_AUDIO)
|
||||
|
||||
// Audio format type
|
||||
#define CFG_TUD_AUDIO_FORMAT_TYPE_TX AUDIO_FORMAT_TYPE_I
|
||||
#define CFG_TUD_AUDIO_FORMAT_TYPE_RX AUDIO_FORMAT_TYPE_I
|
||||
|
||||
// Audio format type I specifications
|
||||
#define CFG_TUD_AUDIO_FORMAT_TYPE_I_TX AUDIO_DATA_FORMAT_TYPE_I_PCM
|
||||
#define CFG_TUD_AUDIO_FORMAT_TYPE_I_RX AUDIO_DATA_FORMAT_TYPE_I_PCM
|
||||
#define CFG_TUD_AUDIO_N_CHANNELS_TX 1
|
||||
#define CFG_TUD_AUDIO_N_BYTES_PER_SAMPLE_TX 2
|
||||
#define CFG_TUD_AUDIO_N_CHANNELS_RX 2
|
||||
#define CFG_TUD_AUDIO_N_BYTES_PER_SAMPLE_RX 2
|
||||
#define CFG_TUD_AUDIO_RX_ITEMSIZE 2
|
||||
#define CFG_TUD_AUDIO_ENABLE_FEEDBACK_EP 0
|
||||
|
||||
// EP and buffer size - for isochronous EP´s, the buffer and EP size are equal (different sizes would not make sense)
|
||||
#define CFG_TUD_AUDIO_EPSIZE_IN (CFG_TUD_AUDIO_IN_PATH * (48 + 1) * (CFG_TUD_AUDIO_N_BYTES_PER_SAMPLE_TX) * (CFG_TUD_AUDIO_N_CHANNELS_TX)) // 48 Samples (48 kHz) x 2 Bytes/Sample x n Channels
|
||||
#define CFG_TUD_AUDIO_TX_FIFO_COUNT (CFG_TUD_AUDIO_IN_PATH * 1)
|
||||
#define CFG_TUD_AUDIO_TX_FIFO_SIZE (CFG_TUD_AUDIO_IN_PATH ? ((CFG_TUD_AUDIO_EPSIZE_IN)) : 0)
|
||||
|
||||
// EP and buffer size - for isochronous EP´s, the buffer and EP size are equal (different sizes would not make sense)
|
||||
#define CFG_TUD_AUDIO_EPSIZE_OUT (CFG_TUD_AUDIO_OUT_PATH * ((48 + CFG_TUD_AUDIO_ENABLE_FEEDBACK_EP) * (CFG_TUD_AUDIO_N_BYTES_PER_SAMPLE_RX) * (CFG_TUD_AUDIO_N_CHANNELS_RX))) // N Samples (N kHz) x 2 Bytes/Sample x n Channels
|
||||
#define CFG_TUD_AUDIO_RX_FIFO_COUNT (CFG_TUD_AUDIO_OUT_PATH * 1)
|
||||
#define CFG_TUD_AUDIO_RX_FIFO_SIZE (CFG_TUD_AUDIO_OUT_PATH ? (3 * (CFG_TUD_AUDIO_EPSIZE_OUT / CFG_TUD_AUDIO_RX_FIFO_COUNT)) : 0)
|
||||
|
||||
// Number of Standard AS Interface Descriptors (4.9.1) defined per audio function - this is required to be able to remember the current alternate settings of these interfaces - We restrict us here to have a constant number for all audio functions (which means this has to be the maximum number of AS interfaces an audio function has and a second audio function with less AS interfaces just wastes a few bytes)
|
||||
#define CFG_TUD_AUDIO_N_AS_INT 1
|
||||
|
||||
// Size of control request buffer
|
||||
#define CFG_TUD_AUDIO_CTRL_BUF_SIZE 64
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* _TUSB_CONFIG_H_ */
|
||||
|
|
@ -0,0 +1,165 @@
|
|||
/*
|
||||
* The MIT License (MIT)
|
||||
*
|
||||
* Copyright (c) 2020 Ha Thach (tinyusb.org)
|
||||
* Copyright (c) 2020 Jerzy Kasenberg
|
||||
*
|
||||
* 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.
|
||||
*
|
||||
*/
|
||||
|
||||
#include "tusb.h"
|
||||
#include "usb_descriptors.h"
|
||||
|
||||
/* A combination of interfaces must have a unique product id, since PC will save device driver after the first plug.
|
||||
* Same VID/PID with different interface e.g MSC (first), then CDC (later) will possibly cause system error on PC.
|
||||
*
|
||||
* Auto ProductID layout's Bitmap:
|
||||
* [MSB] AUDIO | MIDI | HID | MSC | CDC [LSB]
|
||||
*/
|
||||
#define _PID_MAP(itf, n) ( (CFG_TUD_##itf) << (n) )
|
||||
#define USB_PID (0x4000 | _PID_MAP(CDC, 0) | _PID_MAP(MSC, 1) | _PID_MAP(HID, 2) | \
|
||||
_PID_MAP(MIDI, 3) | _PID_MAP(AUDIO, 4) | _PID_MAP(VENDOR, 5) )
|
||||
|
||||
//--------------------------------------------------------------------+
|
||||
// Device Descriptors
|
||||
//--------------------------------------------------------------------+
|
||||
tusb_desc_device_t const desc_device =
|
||||
{
|
||||
.bLength = sizeof(tusb_desc_device_t),
|
||||
.bDescriptorType = TUSB_DESC_DEVICE,
|
||||
.bcdUSB = 0x0200,
|
||||
|
||||
// Use Interface Association Descriptor (IAD) for CDC
|
||||
// As required by USB Specs IAD's subclass must be common class (2) and protocol must be IAD (1)
|
||||
.bDeviceClass = TUSB_CLASS_MISC,
|
||||
.bDeviceSubClass = MISC_SUBCLASS_COMMON,
|
||||
.bDeviceProtocol = MISC_PROTOCOL_IAD,
|
||||
.bMaxPacketSize0 = CFG_TUD_ENDPOINT0_SIZE,
|
||||
|
||||
.idVendor = 0xCafe,
|
||||
.idProduct = USB_PID,
|
||||
.bcdDevice = 0x0100,
|
||||
|
||||
.iManufacturer = 0x01,
|
||||
.iProduct = 0x02,
|
||||
.iSerialNumber = 0x03,
|
||||
|
||||
.bNumConfigurations = 0x01
|
||||
};
|
||||
|
||||
// Invoked when received GET DEVICE DESCRIPTOR
|
||||
// Application return pointer to descriptor
|
||||
uint8_t const * tud_descriptor_device_cb(void)
|
||||
{
|
||||
return (uint8_t const *)&desc_device;
|
||||
}
|
||||
|
||||
//--------------------------------------------------------------------+
|
||||
// Configuration Descriptor
|
||||
//--------------------------------------------------------------------+
|
||||
#define CONFIG_TOTAL_LEN (TUD_CONFIG_DESC_LEN + CFG_TUD_AUDIO * TUD_AUDIO_HEADSET_STEREO_DESC_LEN)
|
||||
|
||||
#if CFG_TUSB_MCU == OPT_MCU_LPC175X_6X || CFG_TUSB_MCU == OPT_MCU_LPC177X_8X || CFG_TUSB_MCU == OPT_MCU_LPC40XX
|
||||
// LPC 17xx and 40xx endpoint type (bulk/interrupt/iso) are fixed by its number
|
||||
// 0 control, 1 In, 2 Bulk, 3 Iso, 4 In etc ...
|
||||
#define EPNUM_AUDIO 0x03
|
||||
#elif CFG_TUSB_MCU == OPT_MCU_NRF5X
|
||||
// ISO endpoints for NRF5x are fixed to 0x08 (0x88)
|
||||
#define EPNUM_AUDIO 0x08
|
||||
#else
|
||||
#define EPNUM_AUDIO 0x01
|
||||
#endif
|
||||
|
||||
// These variables are required by the audio driver in audio_device.c
|
||||
|
||||
// List of audio descriptor lengths which is required by audio driver - you need as many entries as CFG_TUD_AUDIO
|
||||
const uint16_t tud_audio_desc_lengths[] = {TUD_AUDIO_HEADSET_STEREO_DESC_LEN};
|
||||
|
||||
uint8_t const desc_configuration[] =
|
||||
{
|
||||
// Interface count, string index, total length, attribute, power in mA
|
||||
TUD_CONFIG_DESCRIPTOR(1, ITF_NUM_TOTAL, 0, CONFIG_TOTAL_LEN, TUSB_DESC_CONFIG_ATT_REMOTE_WAKEUP, 100),
|
||||
|
||||
// Interface number, string index, EP Out & EP In address, EP size
|
||||
TUD_AUDIO_HEADSET_STEREO_DESCRIPTOR(2, 2, 16, EPNUM_AUDIO, CFG_TUD_AUDIO_EPSIZE_OUT, EPNUM_AUDIO | 0x80, CFG_TUD_AUDIO_EPSIZE_IN)
|
||||
};
|
||||
|
||||
// Invoked when received GET CONFIGURATION DESCRIPTOR
|
||||
// Application return pointer to descriptor
|
||||
// Descriptor contents must exist long enough for transfer to complete
|
||||
uint8_t const * tud_descriptor_configuration_cb(uint8_t index)
|
||||
{
|
||||
(void)index; // for multiple configurations
|
||||
return desc_configuration;
|
||||
}
|
||||
|
||||
//--------------------------------------------------------------------+
|
||||
// String Descriptors
|
||||
//--------------------------------------------------------------------+
|
||||
|
||||
// array of pointer to string descriptors
|
||||
char const* string_desc_arr [] =
|
||||
{
|
||||
(const char[]) { 0x09, 0x04 }, // 0: is supported language is English (0x0409)
|
||||
"TinyUSB", // 1: Manufacturer
|
||||
"TinyUSB headset", // 2: Product
|
||||
"000001", // 3: Serials, should use chip ID
|
||||
"TinyUSB Speakers", // 4: Audio Interface
|
||||
"TinyUSB Microphone", // 5: Audio Interface
|
||||
};
|
||||
|
||||
static uint16_t _desc_str[32];
|
||||
|
||||
// Invoked when received GET STRING DESCRIPTOR request
|
||||
// Application return pointer to descriptor, whose contents must exist long enough for transfer to complete
|
||||
uint16_t const* tud_descriptor_string_cb(uint8_t index, uint16_t langid)
|
||||
{
|
||||
(void)langid;
|
||||
|
||||
uint8_t chr_count;
|
||||
|
||||
if (index == 0)
|
||||
{
|
||||
memcpy(&_desc_str[1], string_desc_arr[0], 2);
|
||||
chr_count = 1;
|
||||
}
|
||||
else
|
||||
{
|
||||
// Convert ASCII string into UTF-16
|
||||
|
||||
if (!(index < sizeof(string_desc_arr)/sizeof(string_desc_arr[0]))) return NULL;
|
||||
|
||||
const char* str = string_desc_arr[index];
|
||||
|
||||
// Cap at max char
|
||||
chr_count = strlen(str);
|
||||
if (chr_count > 31) chr_count = 31;
|
||||
|
||||
for (uint8_t i = 0; i < chr_count; i++)
|
||||
{
|
||||
_desc_str[1 + i] = str[i];
|
||||
}
|
||||
}
|
||||
|
||||
// first byte is length (including header), second byte is string type
|
||||
_desc_str[0] = (TUSB_DESC_STRING << 8 ) | (2 * chr_count + 2);
|
||||
|
||||
return _desc_str;
|
||||
}
|
||||
|
|
@ -0,0 +1,120 @@
|
|||
/*
|
||||
* The MIT License (MIT)
|
||||
*
|
||||
* Copyright (c) 2020 Jerzy Kasenbreg
|
||||
*
|
||||
* 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
|
||||
// Speaker path
|
||||
#define UAC2_ENTITY_SPK_INPUT_TERMINAL 0x01
|
||||
#define UAC2_ENTITY_SPK_FEATURE_UNIT 0x02
|
||||
#define UAC2_ENTITY_SPK_OUTPUT_TERMINAL 0x03
|
||||
// Microphone path
|
||||
#define UAC2_ENTITY_MIC_INPUT_TERMINAL 0x11
|
||||
#define UAC2_ENTITY_MIC_OUTPUT_TERMINAL 0x13
|
||||
|
||||
enum
|
||||
{
|
||||
ITF_NUM_AUDIO_CONTROL = 0,
|
||||
ITF_NUM_AUDIO_STREAMING_SPK,
|
||||
ITF_NUM_AUDIO_STREAMING_MIC,
|
||||
ITF_NUM_TOTAL
|
||||
};
|
||||
|
||||
#define TUD_AUDIO_HEADSET_STEREO_DESC_LEN (TUD_AUDIO_DESC_IAD_LEN\
|
||||
+ TUD_AUDIO_DESC_STD_AC_LEN\
|
||||
+ TUD_AUDIO_DESC_CS_AC_LEN\
|
||||
+ TUD_AUDIO_DESC_CLK_SRC_LEN\
|
||||
+ TUD_AUDIO_DESC_INPUT_TERM_LEN\
|
||||
+ TUD_AUDIO_DESC_FEATURE_UNIT_TWO_CHANNEL_LEN\
|
||||
+ TUD_AUDIO_DESC_OUTPUT_TERM_LEN\
|
||||
+ TUD_AUDIO_DESC_INPUT_TERM_LEN\
|
||||
+ TUD_AUDIO_DESC_OUTPUT_TERM_LEN\
|
||||
+ TUD_AUDIO_DESC_STD_AS_INT_LEN\
|
||||
+ TUD_AUDIO_DESC_STD_AS_INT_LEN\
|
||||
+ TUD_AUDIO_DESC_CS_AS_INT_LEN\
|
||||
+ TUD_AUDIO_DESC_TYPE_I_FORMAT_LEN\
|
||||
+ TUD_AUDIO_DESC_STD_AS_ISO_EP_LEN\
|
||||
+ TUD_AUDIO_DESC_CS_AS_ISO_EP_LEN\
|
||||
+ TUD_AUDIO_DESC_STD_AS_INT_LEN\
|
||||
+ TUD_AUDIO_DESC_STD_AS_INT_LEN\
|
||||
+ TUD_AUDIO_DESC_CS_AS_INT_LEN\
|
||||
+ TUD_AUDIO_DESC_TYPE_I_FORMAT_LEN\
|
||||
+ TUD_AUDIO_DESC_STD_AS_ISO_EP_LEN\
|
||||
+ TUD_AUDIO_DESC_CS_AS_ISO_EP_LEN)
|
||||
|
||||
|
||||
#define TUD_AUDIO_HEADSET_STEREO_DESCRIPTOR(_stridx, _nBytesPerSample, _nBitsUsedPerSample, _epout, _epoutsize, _epin, _epinsize) \
|
||||
/* Standard Interface Association Descriptor (IAD) */\
|
||||
TUD_AUDIO_DESC_IAD(/*_firstitfs*/ ITF_NUM_AUDIO_CONTROL, /*_nitfs*/ ITF_NUM_TOTAL, /*_stridx*/ 0x00),\
|
||||
/* Standard AC Interface Descriptor(4.7.1) */\
|
||||
TUD_AUDIO_DESC_STD_AC(/*_itfnum*/ ITF_NUM_AUDIO_CONTROL, /*_nEPs*/ 0x00, /*_stridx*/ _stridx),\
|
||||
/* Class-Specific AC Interface Header Descriptor(4.7.2) */\
|
||||
TUD_AUDIO_DESC_CS_AC(/*_bcdADC*/ 0x0200, /*_category*/ AUDIO_FUNC_HEADSET, /*_totallen*/ TUD_AUDIO_DESC_CLK_SRC_LEN+TUD_AUDIO_DESC_FEATURE_UNIT_TWO_CHANNEL_LEN+TUD_AUDIO_DESC_INPUT_TERM_LEN+TUD_AUDIO_DESC_OUTPUT_TERM_LEN+TUD_AUDIO_DESC_INPUT_TERM_LEN+TUD_AUDIO_DESC_OUTPUT_TERM_LEN, /*_ctrl*/ AUDIO_CS_AS_INTERFACE_CTRL_LATENCY_POS),\
|
||||
/* Clock Source Descriptor(4.7.2.1) */\
|
||||
TUD_AUDIO_DESC_CLK_SRC(/*_clkid*/ UAC2_ENTITY_CLOCK, /*_attr*/ 3, /*_ctrl*/ 5, /*_assocTerm*/ 0x00, /*_stridx*/ 0x00), \
|
||||
/* Input Terminal Descriptor(4.7.2.4) */\
|
||||
TUD_AUDIO_DESC_INPUT_TERM(/*_termid*/ UAC2_ENTITY_SPK_INPUT_TERMINAL, /*_termtype*/ AUDIO_TERM_TYPE_USB_STREAMING, /*_assocTerm*/ 0x00, /*_clkid*/ UAC2_ENTITY_CLOCK, /*_nchannelslogical*/ 0x02, /*_channelcfg*/ AUDIO_CHANNEL_CONFIG_NON_PREDEFINED, /*_idxchannelnames*/ 0x00, /*_ctrl*/ 0 * (AUDIO_CTRL_R << AUDIO_IN_TERM_CTRL_CONNECTOR_POS), /*_stridx*/ 0x00),\
|
||||
/* Feature Unit Descriptor(4.7.2.8) */\
|
||||
TUD_AUDIO_DESC_FEATURE_UNIT_TWO_CHANNEL(/*_unitid*/ UAC2_ENTITY_SPK_FEATURE_UNIT, /*_srcid*/ UAC2_ENTITY_SPK_INPUT_TERMINAL, /*_ctrlch0master*/ (AUDIO_CTRL_RW << AUDIO_FEATURE_UNIT_CTRL_MUTE_POS | AUDIO_CTRL_RW << AUDIO_FEATURE_UNIT_CTRL_VOLUME_POS), /*_ctrlch1*/ (AUDIO_CTRL_RW << AUDIO_FEATURE_UNIT_CTRL_MUTE_POS | AUDIO_CTRL_RW << AUDIO_FEATURE_UNIT_CTRL_VOLUME_POS), /*_ctrlch2*/ (AUDIO_CTRL_RW << AUDIO_FEATURE_UNIT_CTRL_MUTE_POS | AUDIO_CTRL_RW << AUDIO_FEATURE_UNIT_CTRL_VOLUME_POS), /*_stridx*/ 0x00),\
|
||||
/* Output Terminal Descriptor(4.7.2.5) */\
|
||||
TUD_AUDIO_DESC_OUTPUT_TERM(/*_termid*/ UAC2_ENTITY_SPK_OUTPUT_TERMINAL, /*_termtype*/ AUDIO_TERM_TYPE_OUT_GENERIC_SPEAKER, /*_assocTerm*/ 0x00, /*_srcid*/ UAC2_ENTITY_SPK_FEATURE_UNIT, /*_clkid*/ UAC2_ENTITY_CLOCK, /*_ctrl*/ 0x0000, /*_stridx*/ 0x00),\
|
||||
/* Input Terminal Descriptor(4.7.2.4) */\
|
||||
TUD_AUDIO_DESC_INPUT_TERM(/*_termid*/ UAC2_ENTITY_MIC_INPUT_TERMINAL, /*_termtype*/ AUDIO_TERM_TYPE_IN_GENERIC_MIC, /*_assocTerm*/ 0x00, /*_clkid*/ UAC2_ENTITY_CLOCK, /*_nchannelslogical*/ 0x01, /*_channelcfg*/ AUDIO_CHANNEL_CONFIG_NON_PREDEFINED, /*_idxchannelnames*/ 0x00, /*_ctrl*/ 0 * (AUDIO_CTRL_R << AUDIO_IN_TERM_CTRL_CONNECTOR_POS), /*_stridx*/ 0x00),\
|
||||
/* Output Terminal Descriptor(4.7.2.5) */\
|
||||
TUD_AUDIO_DESC_OUTPUT_TERM(/*_termid*/ UAC2_ENTITY_MIC_OUTPUT_TERMINAL, /*_termtype*/ AUDIO_TERM_TYPE_USB_STREAMING, /*_assocTerm*/ 0x00, /*_srcid*/ UAC2_ENTITY_MIC_INPUT_TERMINAL, /*_clkid*/ UAC2_ENTITY_CLOCK, /*_ctrl*/ 0x0000, /*_stridx*/ 0x00),\
|
||||
/* Standard AS Interface Descriptor(4.9.1) */\
|
||||
/* Interface 1, Alternate 0 - default alternate setting with 0 bandwidth */\
|
||||
TUD_AUDIO_DESC_STD_AS_INT(/*_itfnum*/ (uint8_t)(ITF_NUM_AUDIO_STREAMING_SPK), /*_altset*/ 0x00, /*_nEPs*/ 0x00, /*_stridx*/ 0x05),\
|
||||
/* Standard AS Interface Descriptor(4.9.1) */\
|
||||
/* Interface 1, Alternate 1 - alternate interface for data streaming */\
|
||||
TUD_AUDIO_DESC_STD_AS_INT(/*_itfnum*/ (uint8_t)(ITF_NUM_AUDIO_STREAMING_SPK), /*_altset*/ 0x01, /*_nEPs*/ 0x01, /*_stridx*/ 0x05),\
|
||||
/* Class-Specific AS Interface Descriptor(4.9.2) */\
|
||||
TUD_AUDIO_DESC_CS_AS_INT(/*_termid*/ UAC2_ENTITY_SPK_INPUT_TERMINAL, /*_ctrl*/ AUDIO_CTRL_NONE, /*_formattype*/ AUDIO_FORMAT_TYPE_I, /*_formats*/ AUDIO_DATA_FORMAT_TYPE_I_PCM, /*_nchannelsphysical*/ 0x02, /*_channelcfg*/ AUDIO_CHANNEL_CONFIG_NON_PREDEFINED, /*_stridx*/ 0x00),\
|
||||
/* Type I Format Type Descriptor(2.3.1.6 - Audio Formats) */\
|
||||
TUD_AUDIO_DESC_TYPE_I_FORMAT(_nBytesPerSample, _nBitsUsedPerSample),\
|
||||
/* Standard AS Isochronous Audio Data Endpoint Descriptor(4.10.1.1) */\
|
||||
TUD_AUDIO_DESC_STD_AS_ISO_EP(/*_ep*/ _epout, /*_attr*/ (TUSB_XFER_ISOCHRONOUS | TUSB_ISO_EP_ATT_ADAPTIVE | TUSB_ISO_EP_ATT_DATA), /*_maxEPsize*/ _epoutsize, /*_interval*/ (CFG_TUSB_RHPORT0_MODE & OPT_MODE_HIGH_SPEED) ? 0x04 : 0x01),\
|
||||
/* Class-Specific AS Isochronous Audio Data Endpoint Descriptor(4.10.1.2) */\
|
||||
TUD_AUDIO_DESC_CS_AS_ISO_EP(/*_attr*/ AUDIO_CS_AS_ISO_DATA_EP_ATT_NON_MAX_PACKETS_OK, /*_ctrl*/ AUDIO_CTRL_NONE, /*_lockdelayunit*/ AUDIO_CS_AS_ISO_DATA_EP_LOCK_DELAY_UNIT_MILLISEC, /*_lockdelay*/ 0x0001),\
|
||||
/* Standard AS Interface Descriptor(4.9.1) */\
|
||||
/* Interface 2, Alternate 0 - default alternate setting with 0 bandwidth */\
|
||||
TUD_AUDIO_DESC_STD_AS_INT(/*_itfnum*/ (uint8_t)(ITF_NUM_AUDIO_STREAMING_MIC), /*_altset*/ 0x00, /*_nEPs*/ 0x00, /*_stridx*/ 0x04),\
|
||||
/* Standard AS Interface Descriptor(4.9.1) */\
|
||||
/* Interface 1, Alternate 1 - alternate interface for data streaming */\
|
||||
TUD_AUDIO_DESC_STD_AS_INT(/*_itfnum*/ (uint8_t)(ITF_NUM_AUDIO_STREAMING_MIC), /*_altset*/ 0x01, /*_nEPs*/ 0x01, /*_stridx*/ 0x04),\
|
||||
/* Class-Specific AS Interface Descriptor(4.9.2) */\
|
||||
TUD_AUDIO_DESC_CS_AS_INT(/*_termid*/ UAC2_ENTITY_MIC_OUTPUT_TERMINAL, /*_ctrl*/ AUDIO_CTRL_NONE, /*_formattype*/ AUDIO_FORMAT_TYPE_I, /*_formats*/ AUDIO_DATA_FORMAT_TYPE_I_PCM, /*_nchannelsphysical*/ 0x01, /*_channelcfg*/ AUDIO_CHANNEL_CONFIG_NON_PREDEFINED, /*_stridx*/ 0x00),\
|
||||
/* Type I Format Type Descriptor(2.3.1.6 - Audio Formats) */\
|
||||
TUD_AUDIO_DESC_TYPE_I_FORMAT(_nBytesPerSample, _nBitsUsedPerSample),\
|
||||
/* Standard AS Isochronous Audio Data Endpoint Descriptor(4.10.1.1) */\
|
||||
TUD_AUDIO_DESC_STD_AS_ISO_EP(/*_ep*/ _epin, /*_attr*/ (TUSB_XFER_ISOCHRONOUS | TUSB_ISO_EP_ATT_ASYNCHRONOUS | TUSB_ISO_EP_ATT_DATA), /*_maxEPsize*/ _epinsize, /*_interval*/ (CFG_TUSB_RHPORT0_MODE & OPT_MODE_HIGH_SPEED) ? 0x04 : 0x01),\
|
||||
/* Class-Specific AS Isochronous Audio Data Endpoint Descriptor(4.10.1.2) */\
|
||||
TUD_AUDIO_DESC_CS_AS_ISO_EP(/*_attr*/ AUDIO_CS_AS_ISO_DATA_EP_ATT_NON_MAX_PACKETS_OK, /*_ctrl*/ AUDIO_CTRL_NONE, /*_lockdelayunit*/ AUDIO_CS_AS_ISO_DATA_EP_LOCK_DELAY_UNIT_UNDEFINED, /*_lockdelay*/ 0x0000)\
|
||||
|
||||
#endif
|
||||
|
|
@ -350,6 +350,11 @@ TU_ATTR_WEAK bool tud_vendor_control_complete_cb(uint8_t rhport, tusb_control_re
|
|||
#define TUD_AUDIO_DESC_FEATURE_UNIT_ONE_CHANNEL(_unitid, _srcid, _ctrlch0master, _ctrlch1, _stridx) \
|
||||
TUD_AUDIO_DESC_FEATURE_UNIT_ONE_CHANNEL_LEN, TUSB_DESC_CS_INTERFACE, AUDIO_CS_AC_INTERFACE_FEATURE_UNIT, _unitid, _srcid, U32_TO_U8S_LE(_ctrlch0master), U32_TO_U8S_LE(_ctrlch1), _stridx
|
||||
|
||||
// 2 - Channels
|
||||
#define TUD_AUDIO_DESC_FEATURE_UNIT_TWO_CHANNEL_LEN (6+(2+1)*4)
|
||||
#define TUD_AUDIO_DESC_FEATURE_UNIT_TWO_CHANNEL(_unitid, _srcid, _ctrlch0master, _ctrlch1, _ctrlch2, _stridx) \
|
||||
TUD_AUDIO_DESC_FEATURE_UNIT_TWO_CHANNEL_LEN, TUSB_DESC_CS_INTERFACE, AUDIO_CS_AC_INTERFACE_FEATURE_UNIT, _unitid, _srcid, U32_TO_U8S_LE(_ctrlch0master), U32_TO_U8S_LE(_ctrlch1), U32_TO_U8S_LE(_ctrlch2), _stridx
|
||||
|
||||
// For more channels, add definitions here
|
||||
|
||||
/* Standard AS Interface Descriptor(4.9.1) */
|
||||
|
|
|
|||
Loading…
Reference in New Issue