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pigweed / third_party / github / zephyrproject-rtos / zephyr / 159617c8f6196bf9f69f2f6d47d31303c5a1c464 / . / subsys / bluetooth / audio / shell / bap.c
blob: 6bf781ed65ec9aa0aea9c6ce76fc7e61703c3a48 [file] [log] [blame]
/** @file
* @brief Bluetooth Basic Audio Profile shell
*
*/
/*
* Copyright (c) 2020 Intel Corporation
* Copyright (c) 2022-2023 Nordic Semiconductor ASA
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <stdlib.h>
#include <stdio.h>
#include <ctype.h>
#include <zephyr/kernel.h>
#include <zephyr/shell/shell.h>
#include <zephyr/sys/printk.h>
#include <zephyr/sys/byteorder.h>
#include <zephyr/sys/util.h>
#include <zephyr/bluetooth/gatt.h>
#include <zephyr/bluetooth/audio/audio.h>
#include <zephyr/bluetooth/audio/bap.h>
#include <zephyr/bluetooth/audio/bap_lc3_preset.h>
#include <zephyr/bluetooth/audio/cap.h>
#include <zephyr/bluetooth/audio/gmap.h>
#include <zephyr/bluetooth/audio/pacs.h>
#if defined(CONFIG_LIBLC3)
#include "lc3.h"
#define LC3_MAX_SAMPLE_RATE 48000
#define LC3_MAX_FRAME_DURATION_US 10000
#define LC3_MAX_NUM_SAMPLES ((LC3_MAX_FRAME_DURATION_US * LC3_MAX_SAMPLE_RATE) / USEC_PER_SEC)
#endif /* CONFIG_LIBLC3 */
#include "shell/bt.h"
#include "audio.h"
/* Determines if we can initiate streaming */
#define IS_BAP_INITIATOR \
(IS_ENABLED(CONFIG_BT_BAP_BROADCAST_SOURCE) || IS_ENABLED(CONFIG_BT_BAP_UNICAST_CLIENT))
#if defined(CONFIG_BT_BAP_UNICAST)
struct shell_stream unicast_streams[CONFIG_BT_MAX_CONN *
(UNICAST_SERVER_STREAM_COUNT + UNICAST_CLIENT_STREAM_COUNT)];
#if defined(CONFIG_BT_BAP_UNICAST_CLIENT)
struct bt_bap_unicast_group *default_unicast_group;
static struct bt_bap_unicast_client_cb unicast_client_cbs;
#if CONFIG_BT_BAP_UNICAST_CLIENT_ASE_SNK_COUNT > 0
struct bt_bap_ep *snks[CONFIG_BT_MAX_CONN][CONFIG_BT_BAP_UNICAST_CLIENT_ASE_SNK_COUNT];
#endif /* CONFIG_BT_BAP_UNICAST_CLIENT_ASE_SNK_COUNT > 0 */
#if CONFIG_BT_BAP_UNICAST_CLIENT_ASE_SRC_COUNT > 0
struct bt_bap_ep *srcs[CONFIG_BT_MAX_CONN][CONFIG_BT_BAP_UNICAST_CLIENT_ASE_SRC_COUNT];
#endif /* CONFIG_BT_BAP_UNICAST_CLIENT_ASE_SRC_COUNT > 0 */
#endif /* CONFIG_BT_BAP_UNICAST_CLIENT */
#endif /* CONFIG_BT_BAP_UNICAST */
#if defined(CONFIG_BT_BAP_BROADCAST_SOURCE)
struct shell_stream broadcast_source_streams[CONFIG_BT_BAP_BROADCAST_SRC_STREAM_COUNT];
struct broadcast_source default_source;
#endif /* CONFIG_BT_BAP_BROADCAST_SOURCE */
#if defined(CONFIG_BT_BAP_BROADCAST_SINK)
static struct shell_stream broadcast_sink_streams[CONFIG_BT_BAP_BROADCAST_SNK_STREAM_COUNT];
static struct broadcast_sink default_broadcast_sink;
#endif /* CONFIG_BT_BAP_BROADCAST_SINK */
#if defined(CONFIG_BT_BAP_UNICAST) || defined(CONFIG_BT_BAP_BROADCAST_SOURCE)
static struct bt_bap_stream *default_stream;
#endif /* CONFIG_BT_BAP_UNICAST || CONFIG_BT_BAP_BROADCAST_SOURCE */
#if IS_BAP_INITIATOR
/* Default to 16_2_1 */
struct named_lc3_preset default_sink_preset = {"16_2_1",
BT_BAP_LC3_UNICAST_PRESET_16_2_1(LOCATION, CONTEXT)};
struct named_lc3_preset default_source_preset = {
"16_2_1", BT_BAP_LC3_UNICAST_PRESET_16_2_1(LOCATION, CONTEXT)};
static struct named_lc3_preset default_broadcast_source_preset = {
"16_2_1", BT_BAP_LC3_BROADCAST_PRESET_16_2_1(LOCATION, CONTEXT)};
#endif /* IS_BAP_INITIATOR */
static const struct named_lc3_preset lc3_unicast_presets[] = {
{"8_1_1", BT_BAP_LC3_UNICAST_PRESET_8_1_1(LOCATION, CONTEXT)},
{"8_2_1", BT_BAP_LC3_UNICAST_PRESET_8_2_1(LOCATION, CONTEXT)},
{"16_1_1", BT_BAP_LC3_UNICAST_PRESET_16_1_1(LOCATION, CONTEXT)},
{"16_2_1", BT_BAP_LC3_UNICAST_PRESET_16_2_1(LOCATION, CONTEXT)},
{"24_1_1", BT_BAP_LC3_UNICAST_PRESET_24_1_1(LOCATION, CONTEXT)},
{"24_2_1", BT_BAP_LC3_UNICAST_PRESET_24_2_1(LOCATION, CONTEXT)},
{"32_1_1", BT_BAP_LC3_UNICAST_PRESET_32_1_1(LOCATION, CONTEXT)},
{"32_2_1", BT_BAP_LC3_UNICAST_PRESET_32_2_1(LOCATION, CONTEXT)},
{"441_1_1", BT_BAP_LC3_UNICAST_PRESET_441_1_1(LOCATION, CONTEXT)},
{"441_2_1", BT_BAP_LC3_UNICAST_PRESET_441_2_1(LOCATION, CONTEXT)},
{"48_1_1", BT_BAP_LC3_UNICAST_PRESET_48_1_1(LOCATION, CONTEXT)},
{"48_2_1", BT_BAP_LC3_UNICAST_PRESET_48_2_1(LOCATION, CONTEXT)},
{"48_3_1", BT_BAP_LC3_UNICAST_PRESET_48_3_1(LOCATION, CONTEXT)},
{"48_4_1", BT_BAP_LC3_UNICAST_PRESET_48_4_1(LOCATION, CONTEXT)},
{"48_5_1", BT_BAP_LC3_UNICAST_PRESET_48_5_1(LOCATION, CONTEXT)},
{"48_6_1", BT_BAP_LC3_UNICAST_PRESET_48_6_1(LOCATION, CONTEXT)},
/* High-reliability presets */
{"8_1_2", BT_BAP_LC3_UNICAST_PRESET_8_1_2(LOCATION, CONTEXT)},
{"8_2_2", BT_BAP_LC3_UNICAST_PRESET_8_2_2(LOCATION, CONTEXT)},
{"16_1_2", BT_BAP_LC3_UNICAST_PRESET_16_1_2(LOCATION, CONTEXT)},
{"16_2_2", BT_BAP_LC3_UNICAST_PRESET_16_2_2(LOCATION, CONTEXT)},
{"24_1_2", BT_BAP_LC3_UNICAST_PRESET_24_1_2(LOCATION, CONTEXT)},
{"24_2_2", BT_BAP_LC3_UNICAST_PRESET_24_2_2(LOCATION, CONTEXT)},
{"32_1_2", BT_BAP_LC3_UNICAST_PRESET_32_1_2(LOCATION, CONTEXT)},
{"32_2_2", BT_BAP_LC3_UNICAST_PRESET_32_2_2(LOCATION, CONTEXT)},
{"441_1_2", BT_BAP_LC3_UNICAST_PRESET_441_1_2(LOCATION, CONTEXT)},
{"441_2_2", BT_BAP_LC3_UNICAST_PRESET_441_2_2(LOCATION, CONTEXT)},
{"48_1_2", BT_BAP_LC3_UNICAST_PRESET_48_1_2(LOCATION, CONTEXT)},
{"48_2_2", BT_BAP_LC3_UNICAST_PRESET_48_2_2(LOCATION, CONTEXT)},
{"48_3_2", BT_BAP_LC3_UNICAST_PRESET_48_3_2(LOCATION, CONTEXT)},
{"48_4_2", BT_BAP_LC3_UNICAST_PRESET_48_4_2(LOCATION, CONTEXT)},
{"48_5_2", BT_BAP_LC3_UNICAST_PRESET_48_5_2(LOCATION, CONTEXT)},
{"48_6_2", BT_BAP_LC3_UNICAST_PRESET_48_6_2(LOCATION, CONTEXT)},
};
static const struct named_lc3_preset lc3_broadcast_presets[] = {
{"8_1_1", BT_BAP_LC3_BROADCAST_PRESET_8_1_1(LOCATION, CONTEXT)},
{"8_2_1", BT_BAP_LC3_BROADCAST_PRESET_8_2_1(LOCATION, CONTEXT)},
{"16_1_1", BT_BAP_LC3_BROADCAST_PRESET_16_1_1(LOCATION, CONTEXT)},
{"16_2_1", BT_BAP_LC3_BROADCAST_PRESET_16_2_1(LOCATION, CONTEXT)},
{"24_1_1", BT_BAP_LC3_BROADCAST_PRESET_24_1_1(LOCATION, CONTEXT)},
{"24_2_1", BT_BAP_LC3_BROADCAST_PRESET_24_2_1(LOCATION, CONTEXT)},
{"32_1_1", BT_BAP_LC3_BROADCAST_PRESET_32_1_1(LOCATION, CONTEXT)},
{"32_2_1", BT_BAP_LC3_BROADCAST_PRESET_32_2_1(LOCATION, CONTEXT)},
{"441_1_1", BT_BAP_LC3_BROADCAST_PRESET_441_1_1(LOCATION, CONTEXT)},
{"441_2_1", BT_BAP_LC3_BROADCAST_PRESET_441_2_1(LOCATION, CONTEXT)},
{"48_1_1", BT_BAP_LC3_BROADCAST_PRESET_48_1_1(LOCATION, CONTEXT)},
{"48_2_1", BT_BAP_LC3_BROADCAST_PRESET_48_2_1(LOCATION, CONTEXT)},
{"48_3_1", BT_BAP_LC3_BROADCAST_PRESET_48_3_1(LOCATION, CONTEXT)},
{"48_4_1", BT_BAP_LC3_BROADCAST_PRESET_48_4_1(LOCATION, CONTEXT)},
{"48_5_1", BT_BAP_LC3_BROADCAST_PRESET_48_5_1(LOCATION, CONTEXT)},
{"48_6_1", BT_BAP_LC3_BROADCAST_PRESET_48_6_1(LOCATION, CONTEXT)},
/* High-reliability presets */
{"8_1_2", BT_BAP_LC3_BROADCAST_PRESET_8_1_2(LOCATION, CONTEXT)},
{"8_2_2", BT_BAP_LC3_BROADCAST_PRESET_8_2_2(LOCATION, CONTEXT)},
{"16_1_2", BT_BAP_LC3_BROADCAST_PRESET_16_1_2(LOCATION, CONTEXT)},
{"16_2_2", BT_BAP_LC3_BROADCAST_PRESET_16_2_2(LOCATION, CONTEXT)},
{"24_1_2", BT_BAP_LC3_BROADCAST_PRESET_24_1_2(LOCATION, CONTEXT)},
{"24_2_2", BT_BAP_LC3_BROADCAST_PRESET_24_2_2(LOCATION, CONTEXT)},
{"32_1_2", BT_BAP_LC3_BROADCAST_PRESET_32_1_2(LOCATION, CONTEXT)},
{"32_2_2", BT_BAP_LC3_BROADCAST_PRESET_32_2_2(LOCATION, CONTEXT)},
{"441_1_2", BT_BAP_LC3_BROADCAST_PRESET_441_1_2(LOCATION, CONTEXT)},
{"441_2_2", BT_BAP_LC3_BROADCAST_PRESET_441_2_2(LOCATION, CONTEXT)},
{"48_1_2", BT_BAP_LC3_BROADCAST_PRESET_48_1_2(LOCATION, CONTEXT)},
{"48_2_2", BT_BAP_LC3_BROADCAST_PRESET_48_2_2(LOCATION, CONTEXT)},
{"48_3_2", BT_BAP_LC3_BROADCAST_PRESET_48_3_2(LOCATION, CONTEXT)},
{"48_4_2", BT_BAP_LC3_BROADCAST_PRESET_48_4_2(LOCATION, CONTEXT)},
{"48_5_2", BT_BAP_LC3_BROADCAST_PRESET_48_5_2(LOCATION, CONTEXT)},
{"48_6_2", BT_BAP_LC3_BROADCAST_PRESET_48_6_2(LOCATION, CONTEXT)},
};
static bool initialized;
static struct shell_stream *shell_stream_from_bap_stream(struct bt_bap_stream *bap_stream)
{
struct bt_cap_stream *cap_stream =
CONTAINER_OF(bap_stream, struct bt_cap_stream, bap_stream);
struct shell_stream *sh_stream = CONTAINER_OF(cap_stream, struct shell_stream, stream);
return sh_stream;
}
static struct bt_bap_stream *bap_stream_from_shell_stream(struct shell_stream *sh_stream)
{
return &sh_stream->stream.bap_stream;
}
#if defined(CONFIG_BT_AUDIO_TX)
static uint16_t get_next_seq_num(struct bt_bap_stream *bap_stream)
{
struct shell_stream *sh_stream = shell_stream_from_bap_stream(bap_stream);
const uint32_t interval_us = bap_stream->qos->interval;
int64_t uptime_ticks;
int64_t delta_ticks;
uint64_t delta_us;
uint16_t seq_num;
/* Note: This does not handle wrapping of ticks when they go above 2^(62-1) */
uptime_ticks = k_uptime_ticks();
delta_ticks = uptime_ticks - sh_stream->connected_at_ticks;
delta_us = k_ticks_to_us_near64((uint64_t)delta_ticks);
/* Calculate the sequence number by dividing the stream uptime by the SDU interval */
seq_num = (uint16_t)(delta_us / interval_us);
return seq_num;
}
#endif /* CONFIG_BT_AUDIO_TX */
#if defined(CONFIG_LIBLC3) && defined(CONFIG_BT_AUDIO_TX)
/* For the first call-back we push multiple audio frames to the buffer to use the
* controller ISO buffer to handle jitter.
*/
#define PRIME_COUNT 2U
NET_BUF_POOL_FIXED_DEFINE(sine_tx_pool, CONFIG_BT_ISO_TX_BUF_COUNT,
BT_ISO_SDU_BUF_SIZE(CONFIG_BT_ISO_TX_MTU),
CONFIG_BT_CONN_TX_USER_DATA_SIZE, NULL);
#include "math.h"
#define AUDIO_VOLUME (INT16_MAX - 3000) /* codec does clipping above INT16_MAX - 3000 */
#define AUDIO_TONE_FREQUENCY_HZ 400
static int16_t lc3_tx_buf[LC3_MAX_NUM_SAMPLES];
static lc3_encoder_t lc3_encoder;
static lc3_encoder_mem_48k_t lc3_encoder_mem;
static int lc3_encoder_freq_hz;
static int lc3_encoder_frame_duration_us;
static void clear_lc3_sine_data(struct bt_bap_stream *bap_stream)
{
struct shell_stream *sh_stream = shell_stream_from_bap_stream(bap_stream);
sh_stream->tx_active = false;
(void)k_work_cancel_delayable(&sh_stream->audio_send_work);
}
/**
* Use the math lib to generate a sine-wave using 16 bit samples into a buffer.
*
* @param buf Destination buffer
* @param length_us Length of the buffer in microseconds
* @param frequency_hz frequency in Hz
* @param sample_rate_hz sample-rate in Hz.
*/
static void fill_lc3_tx_buf_sin(int16_t *buf, int length_us, int frequency_hz, int sample_rate_hz)
{
const uint32_t sine_period_samples = sample_rate_hz / frequency_hz;
const size_t num_samples = (length_us * sample_rate_hz) / USEC_PER_SEC;
const float step = 2 * 3.1415 / sine_period_samples;
for (size_t i = 0; i < num_samples; i++) {
const float sample = sinf(i * step);
buf[i] = (int16_t)(AUDIO_VOLUME * sample);
}
}
static int init_lc3_encoder(const struct shell_stream *sh_stream)
{
size_t num_samples;
if (sh_stream == NULL) {
shell_error(ctx_shell, "invalid stream to init LC3");
return -EINVAL;
}
if (sh_stream->lc3_freq_hz == 0 || sh_stream->lc3_frame_duration_us == 0) {
shell_error(ctx_shell, "Invalid freq (%u) or frame duration (%u)",
sh_stream->lc3_freq_hz, sh_stream->lc3_frame_duration_us);
return -EINVAL;
}
/* Create the encoder instance. This shall complete before stream_started() is called. */
lc3_encoder = lc3_setup_encoder(sh_stream->lc3_frame_duration_us, sh_stream->lc3_freq_hz,
0, /* No resampling */
&lc3_encoder_mem);
if (lc3_encoder == NULL) {
shell_error(ctx_shell, "Failed to setup LC3 encoder - wrong parameters?\n");
return -EINVAL;
}
lc3_encoder_freq_hz = sh_stream->lc3_freq_hz;
lc3_encoder_frame_duration_us = sh_stream->lc3_frame_duration_us;
/* Fill audio buffer with Sine wave only once and repeat encoding the same tone frame */
fill_lc3_tx_buf_sin(lc3_tx_buf, lc3_encoder_frame_duration_us, AUDIO_TONE_FREQUENCY_HZ,
lc3_encoder_freq_hz);
num_samples = ((lc3_encoder_frame_duration_us * lc3_encoder_freq_hz) / USEC_PER_SEC);
for (size_t i = 0; i < num_samples; i++) {
printk("%zu: %6i\n", i, lc3_tx_buf[i]);
}
return 0;
}
static void lc3_audio_send_data(struct k_work *work)
{
struct shell_stream *sh_stream = CONTAINER_OF(k_work_delayable_from_work(work),
struct shell_stream, audio_send_work);
struct bt_bap_stream *bap_stream = bap_stream_from_shell_stream(sh_stream);
const uint16_t tx_sdu_len = sh_stream->lc3_frames_per_sdu * sh_stream->lc3_octets_per_frame;
struct net_buf *buf;
uint8_t *net_buffer;
off_t offset = 0;
int err;
if (!sh_stream->tx_active) {
/* TX has been aborted */
return;
}
if (lc3_encoder == NULL) {
shell_error(ctx_shell, "LC3 encoder not setup, cannot encode data");
return;
}
if (bap_stream == NULL || bap_stream->qos == NULL) {
shell_error(ctx_shell, "invalid stream, aborting");
return;
}
if (tx_sdu_len == 0U) {
shell_error(
ctx_shell,
"Cannot send 0 length SDU (from frames per sdu %u and %u octets per frame)",
sh_stream->lc3_frames_per_sdu, sh_stream->lc3_octets_per_frame);
return;
}
if (atomic_get(&sh_stream->lc3_enqueue_cnt) == 0U) {
shell_error(ctx_shell, "Stream %p enqueue count was 0", bap_stream);
/* Reschedule for next interval */
k_work_reschedule(k_work_delayable_from_work(work),
K_USEC(bap_stream->qos->interval));
return;
}
buf = net_buf_alloc(&sine_tx_pool, K_FOREVER);
net_buf_reserve(buf, BT_ISO_CHAN_SEND_RESERVE);
net_buffer = net_buf_tail(buf);
buf->len += tx_sdu_len;
for (uint8_t i = 0U; i < sh_stream->lc3_frames_per_sdu; i++) {
int lc3_ret;
lc3_ret = lc3_encode(lc3_encoder, LC3_PCM_FORMAT_S16, lc3_tx_buf, 1,
sh_stream->lc3_octets_per_frame, net_buffer + offset);
offset += sh_stream->lc3_octets_per_frame;
if (lc3_ret == -1) {
shell_error(ctx_shell, "LC3 encoder failed - wrong parameters?: %d",
lc3_ret);
net_buf_unref(buf);
/* Reschedule for next interval */
k_work_reschedule(k_work_delayable_from_work(work),
K_USEC(bap_stream->qos->interval));
return;
}
}
err = bt_bap_stream_send(bap_stream, buf, sh_stream->seq_num);
if (err < 0) {
shell_error(ctx_shell, "Failed to send LC3 audio data (%d)", err);
net_buf_unref(buf);
/* Reschedule for next interval */
k_work_reschedule(k_work_delayable_from_work(work),
K_USEC(bap_stream->qos->interval));
return;
}
if ((sh_stream->lc3_sdu_cnt % 100) == 0) {
shell_info(ctx_shell, "[%zu]: stream %p : TX LC3: %zu (seq_num %u)",
sh_stream->lc3_sdu_cnt, bap_stream, tx_sdu_len, sh_stream->seq_num);
}
sh_stream->lc3_sdu_cnt++;
sh_stream->seq_num++;
atomic_dec(&sh_stream->lc3_enqueue_cnt);
if (atomic_get(&sh_stream->lc3_enqueue_cnt) > 0) {
/* If we have more buffers available, we reschedule the workqueue item immediately
* to trigger another encode + TX, but without blocking this call for too long
*/
k_work_reschedule(k_work_delayable_from_work(work), K_NO_WAIT);
}
}
static void lc3_sent_cb(struct bt_bap_stream *bap_stream)
{
struct shell_stream *sh_stream = shell_stream_from_bap_stream(bap_stream);
int err;
atomic_inc(&sh_stream->lc3_enqueue_cnt);
if (!sh_stream->tx_active) {
/* TX has been aborted */
return;
}
err = k_work_schedule(&sh_stream->audio_send_work, K_NO_WAIT);
if (err < 0) {
shell_error(ctx_shell, "Failed to schedule TX for stream %p: %d", bap_stream, err);
}
}
#endif /* CONFIG_LIBLC3 && CONFIG_BT_AUDIO_TX */
const struct named_lc3_preset *bap_get_named_preset(bool is_unicast, enum bt_audio_dir dir,
const char *preset_arg)
{
if (is_unicast) {
for (size_t i = 0U; i < ARRAY_SIZE(lc3_unicast_presets); i++) {
if (!strcmp(preset_arg, lc3_unicast_presets[i].name)) {
return &lc3_unicast_presets[i];
}
}
} else {
for (size_t i = 0U; i < ARRAY_SIZE(lc3_broadcast_presets); i++) {
if (!strcmp(preset_arg, lc3_broadcast_presets[i].name)) {
return &lc3_broadcast_presets[i];
}
}
}
if (IS_ENABLED(CONFIG_BT_GMAP)) {
return gmap_get_named_preset(is_unicast, dir, preset_arg);
}
return NULL;
}
#if defined(CONFIG_BT_PACS)
static const struct bt_audio_codec_cap lc3_codec_cap =
BT_AUDIO_CODEC_CAP_LC3(BT_AUDIO_CODEC_CAP_FREQ_ANY, BT_AUDIO_CODEC_CAP_DURATION_ANY,
BT_AUDIO_CODEC_CAP_CHAN_COUNT_SUPPORT(1, 2), 30, 240, 2, CONTEXT);
#if defined(CONFIG_BT_PAC_SNK)
static struct bt_pacs_cap cap_sink = {
.codec_cap = &lc3_codec_cap,
};
#endif /* CONFIG_BT_PAC_SNK */
#if defined(CONFIG_BT_PAC_SRC)
static struct bt_pacs_cap cap_source = {
.codec_cap = &lc3_codec_cap,
};
#endif /* CONFIG_BT_PAC_SRC */
#endif /* CONFIG_BT_PACS */
#if defined(CONFIG_BT_BAP_UNICAST)
static void set_unicast_stream(struct bt_bap_stream *stream)
{
default_stream = stream;
for (size_t i = 0U; i < ARRAY_SIZE(unicast_streams); i++) {
if (stream == bap_stream_from_shell_stream(&unicast_streams[i])) {
shell_print(ctx_shell, "Default stream: %u", i + 1);
}
}
}
static int cmd_select_unicast(const struct shell *sh, size_t argc, char *argv[])
{
struct bt_bap_stream *stream;
unsigned long index;
int err = 0;
index = shell_strtoul(argv[1], 0, &err);
if (err != 0) {
shell_error(sh, "Could not parse index: %d", err);
return -ENOEXEC;
}
if (index > ARRAY_SIZE(unicast_streams)) {
shell_error(sh, "Invalid index: %lu", index);
return -ENOEXEC;
}
stream = bap_stream_from_shell_stream(&unicast_streams[index]);
set_unicast_stream(stream);
return 0;
}
#if defined(CONFIG_BT_BAP_UNICAST_SERVER)
static const struct bt_audio_codec_qos_pref qos_pref =
BT_AUDIO_CODEC_QOS_PREF(true, BT_GAP_LE_PHY_2M, 0u, 60u, 10000u, 60000u, 10000u, 60000u);
static struct bt_bap_stream *stream_alloc(void)
{
for (size_t i = 0; i < ARRAY_SIZE(unicast_streams); i++) {
struct bt_bap_stream *stream = bap_stream_from_shell_stream(&unicast_streams[i]);
if (!stream->conn) {
return stream;
}
}
return NULL;
}
static int lc3_config(struct bt_conn *conn, const struct bt_bap_ep *ep, enum bt_audio_dir dir,
const struct bt_audio_codec_cfg *codec_cfg, struct bt_bap_stream **stream,
struct bt_audio_codec_qos_pref *const pref, struct bt_bap_ascs_rsp *rsp)
{
shell_print(ctx_shell, "ASE Codec Config: conn %p ep %p dir %u", conn, ep, dir);
print_codec_cfg(ctx_shell, 0, codec_cfg);
*stream = stream_alloc();
if (*stream == NULL) {
shell_print(ctx_shell, "No unicast_streams available");
*rsp = BT_BAP_ASCS_RSP(BT_BAP_ASCS_RSP_CODE_NO_MEM, BT_BAP_ASCS_REASON_NONE);
return -ENOMEM;
}
shell_print(ctx_shell, "ASE Codec Config stream %p", *stream);
set_unicast_stream(*stream);
*pref = qos_pref;
return 0;
}
static int lc3_reconfig(struct bt_bap_stream *stream, enum bt_audio_dir dir,
const struct bt_audio_codec_cfg *codec_cfg,
struct bt_audio_codec_qos_pref *const pref, struct bt_bap_ascs_rsp *rsp)
{
shell_print(ctx_shell, "ASE Codec Reconfig: stream %p", stream);
print_codec_cfg(ctx_shell, 0, codec_cfg);
if (default_stream == NULL) {
set_unicast_stream(stream);
}
*pref = qos_pref;
return 0;
}
static int lc3_qos(struct bt_bap_stream *stream, const struct bt_audio_codec_qos *qos,
struct bt_bap_ascs_rsp *rsp)
{
shell_print(ctx_shell, "QoS: stream %p %p", stream, qos);
print_qos(ctx_shell, qos);
return 0;
}
static int lc3_enable(struct bt_bap_stream *stream, const uint8_t meta[], size_t meta_len,
struct bt_bap_ascs_rsp *rsp)
{
shell_print(ctx_shell, "Enable: stream %p meta_len %zu", stream,
meta_len);
return 0;
}
static int lc3_start(struct bt_bap_stream *stream, struct bt_bap_ascs_rsp *rsp)
{
shell_print(ctx_shell, "Start: stream %p", stream);
return 0;
}
static bool meta_data_func_cb(struct bt_data *data, void *user_data)
{
struct bt_bap_ascs_rsp *rsp = (struct bt_bap_ascs_rsp *)user_data;
if (!BT_AUDIO_METADATA_TYPE_IS_KNOWN(data->type)) {
printk("Invalid metadata type %u or length %u\n", data->type, data->data_len);
*rsp = BT_BAP_ASCS_RSP(BT_BAP_ASCS_RSP_CODE_METADATA_REJECTED, data->type);
return false;
}
return true;
}
static int lc3_metadata(struct bt_bap_stream *stream, const uint8_t meta[], size_t meta_len,
struct bt_bap_ascs_rsp *rsp)
{
shell_print(ctx_shell, "Metadata: stream %p meta_len %zu", stream,
meta_len);
return bt_audio_data_parse(meta, meta_len, meta_data_func_cb, rsp);
}
static int lc3_disable(struct bt_bap_stream *stream, struct bt_bap_ascs_rsp *rsp)
{
shell_print(ctx_shell, "Disable: stream %p", stream);
return 0;
}
static int lc3_stop(struct bt_bap_stream *stream, struct bt_bap_ascs_rsp *rsp)
{
shell_print(ctx_shell, "Stop: stream %p", stream);
return 0;
}
static int lc3_release(struct bt_bap_stream *stream, struct bt_bap_ascs_rsp *rsp)
{
shell_print(ctx_shell, "Release: stream %p", stream);
if (stream == default_stream) {
default_stream = NULL;
}
return 0;
}
static const struct bt_bap_unicast_server_cb unicast_server_cb = {
.config = lc3_config,
.reconfig = lc3_reconfig,
.qos = lc3_qos,
.enable = lc3_enable,
.start = lc3_start,
.metadata = lc3_metadata,
.disable = lc3_disable,
.stop = lc3_stop,
.release = lc3_release,
};
#endif /* CONFIG_BT_BAP_UNICAST_SERVER */
static uint16_t strmeta(const char *name)
{
if (strcmp(name, "Unspecified") == 0) {
return BT_AUDIO_CONTEXT_TYPE_UNSPECIFIED;
} else if (strcmp(name, "Conversational") == 0) {
return BT_AUDIO_CONTEXT_TYPE_CONVERSATIONAL;
} else if (strcmp(name, "Media") == 0) {
return BT_AUDIO_CONTEXT_TYPE_MEDIA;
} else if (strcmp(name, "Game") == 0) {
return BT_AUDIO_CONTEXT_TYPE_GAME;
} else if (strcmp(name, "Instructional") == 0) {
return BT_AUDIO_CONTEXT_TYPE_INSTRUCTIONAL;
} else if (strcmp(name, "VoiceAssistants") == 0) {
return BT_AUDIO_CONTEXT_TYPE_VOICE_ASSISTANTS;
} else if (strcmp(name, "Live") == 0) {
return BT_AUDIO_CONTEXT_TYPE_LIVE;
} else if (strcmp(name, "SoundEffects") == 0) {
return BT_AUDIO_CONTEXT_TYPE_SOUND_EFFECTS;
} else if (strcmp(name, "Notifications") == 0) {
return BT_AUDIO_CONTEXT_TYPE_NOTIFICATIONS;
} else if (strcmp(name, "Ringtone") == 0) {
return BT_AUDIO_CONTEXT_TYPE_RINGTONE;
} else if (strcmp(name, "Alerts") == 0) {
return BT_AUDIO_CONTEXT_TYPE_ALERTS;
} else if (strcmp(name, "EmergencyAlarm") == 0) {
return BT_AUDIO_CONTEXT_TYPE_EMERGENCY_ALARM;
}
return 0u;
}
static int set_metadata(struct bt_audio_codec_cfg *codec_cfg, const char *meta_str)
{
uint16_t context;
context = strmeta(meta_str);
if (context == 0) {
return -ENOEXEC;
}
/* TODO: Check the type and only overwrite the streaming context */
sys_put_le16(context, codec_cfg->meta);
return 0;
}
#if defined(CONFIG_BT_BAP_UNICAST_CLIENT)
int bap_ac_create_unicast_group(const struct bap_unicast_ac_param *param,
struct shell_stream *snk_uni_streams[], size_t snk_cnt,
struct shell_stream *src_uni_streams[], size_t src_cnt)
{
struct bt_bap_unicast_group_stream_param snk_group_stream_params[BAP_UNICAST_AC_MAX_SNK] = {
0};
struct bt_bap_unicast_group_stream_param src_group_stream_params[BAP_UNICAST_AC_MAX_SRC] = {
0};
struct bt_bap_unicast_group_stream_pair_param pair_params[BAP_UNICAST_AC_MAX_PAIR] = {0};
struct bt_bap_unicast_group_param group_param = {0};
struct bt_audio_codec_qos *snk_qos[BAP_UNICAST_AC_MAX_SNK];
struct bt_audio_codec_qos *src_qos[BAP_UNICAST_AC_MAX_SRC];
size_t snk_stream_cnt = 0U;
size_t src_stream_cnt = 0U;
size_t pair_cnt = 0U;
for (size_t i = 0U; i < snk_cnt; i++) {
snk_qos[i] = &snk_uni_streams[i]->qos;
}
for (size_t i = 0U; i < src_cnt; i++) {
src_qos[i] = &src_uni_streams[i]->qos;
}
/* Create Group
*
* First setup the individual stream parameters and then match them in pairs by connection
* and direction
*/
for (size_t i = 0U; i < snk_cnt; i++) {
snk_group_stream_params[i].qos = snk_qos[i];
snk_group_stream_params[i].stream =
bap_stream_from_shell_stream(snk_uni_streams[i]);
}
for (size_t i = 0U; i < src_cnt; i++) {
src_group_stream_params[i].qos = src_qos[i];
src_group_stream_params[i].stream =
bap_stream_from_shell_stream(src_uni_streams[i]);
}
for (size_t i = 0U; i < param->conn_cnt; i++) {
for (size_t j = 0; j < MAX(param->snk_cnt[i], param->src_cnt[i]); j++) {
if (param->snk_cnt[i] > j) {
pair_params[pair_cnt].tx_param =
&snk_group_stream_params[snk_stream_cnt++];
} else {
pair_params[pair_cnt].tx_param = NULL;
}
if (param->src_cnt[i] > j) {
pair_params[pair_cnt].rx_param =
&src_group_stream_params[src_stream_cnt++];
} else {
pair_params[pair_cnt].rx_param = NULL;
}
pair_cnt++;
}
}
group_param.packing = BT_ISO_PACKING_SEQUENTIAL;
group_param.params = pair_params;
group_param.params_count = pair_cnt;
return bt_bap_unicast_group_create(&group_param, &default_unicast_group);
}
static uint8_t stream_dir(const struct bt_bap_stream *stream)
{
if (stream->conn) {
uint8_t conn_index = bt_conn_index(stream->conn);
#if CONFIG_BT_BAP_UNICAST_CLIENT_ASE_SNK_COUNT > 0
for (size_t i = 0; i < ARRAY_SIZE(snks[conn_index]); i++) {
const struct bt_bap_ep *snk_ep = snks[conn_index][i];
if (snk_ep != NULL && stream->ep == snk_ep) {
return BT_AUDIO_DIR_SINK;
}
}
#endif /* CONFIG_BT_BAP_UNICAST_CLIENT_ASE_SNK_COUNT > 0 */
#if CONFIG_BT_BAP_UNICAST_CLIENT_ASE_SRC_COUNT > 0
for (size_t i = 0; i < ARRAY_SIZE(srcs[conn_index]); i++) {
const struct bt_bap_ep *src_ep = srcs[conn_index][i];
if (src_ep != NULL && stream->ep == src_ep) {
return BT_AUDIO_DIR_SOURCE;
}
}
#endif /* CONFIG_BT_BAP_UNICAST_CLIENT_ASE_SRC_COUNT > 0 */
}
__ASSERT(false, "Invalid stream");
return 0;
}
static void print_remote_codec_cap(const struct bt_conn *conn,
const struct bt_audio_codec_cap *codec_cap,
enum bt_audio_dir dir)
{
shell_print(ctx_shell, "conn %p: codec_cap %p dir 0x%02x", conn, codec_cap,
dir);
print_codec_cap(ctx_shell, 0, codec_cap);
}
#if CONFIG_BT_BAP_UNICAST_CLIENT_ASE_SNK_COUNT > 0
static void add_sink(const struct bt_conn *conn, struct bt_bap_ep *ep)
{
const uint8_t conn_index = bt_conn_index(conn);
for (size_t i = 0U; i < ARRAY_SIZE(snks[conn_index]); i++) {
if (snks[conn_index][i] == NULL) {
shell_print(ctx_shell, "Conn: %p, Sink #%zu: ep %p", conn, i, ep);
snks[conn_index][i] = ep;
return;
}
}
shell_error(ctx_shell, "Could not add more sink endpoints");
}
#endif /* CONFIG_BT_BAP_UNICAST_CLIENT_ASE_SNK_COUNT > 0 */
#if CONFIG_BT_BAP_UNICAST_CLIENT_ASE_SRC_COUNT > 0
static void add_source(const struct bt_conn *conn, struct bt_bap_ep *ep)
{
const uint8_t conn_index = bt_conn_index(conn);
for (size_t i = 0U; i < ARRAY_SIZE(srcs[conn_index]); i++) {
if (srcs[conn_index][i] == NULL) {
shell_print(ctx_shell, "Conn: %p, Source #%zu: ep %p", conn, i, ep);
srcs[conn_index][i] = ep;
return;
}
}
shell_error(ctx_shell, "Could not add more sink endpoints");
}
#endif /* CONFIG_BT_BAP_UNICAST_CLIENT_ASE_SRC_COUNT > 0 */
static void pac_record_cb(struct bt_conn *conn, enum bt_audio_dir dir,
const struct bt_audio_codec_cap *codec_cap)
{
print_remote_codec_cap(conn, codec_cap, dir);
}
static void endpoint_cb(struct bt_conn *conn, enum bt_audio_dir dir, struct bt_bap_ep *ep)
{
#if CONFIG_BT_BAP_UNICAST_CLIENT_ASE_SNK_COUNT > 0
if (dir == BT_AUDIO_DIR_SINK) {
add_sink(conn, ep);
}
#endif /* CONFIG_BT_BAP_UNICAST_CLIENT_ASE_SNK_COUNT > 0 */
#if CONFIG_BT_BAP_UNICAST_CLIENT_ASE_SRC_COUNT > 0
if (dir == BT_AUDIO_DIR_SOURCE) {
add_source(conn, ep);
}
#endif /* CONFIG_BT_BAP_UNICAST_CLIENT_ASE_SRC_COUNT > 0*/
}
static void discover_cb(struct bt_conn *conn, int err, enum bt_audio_dir dir)
{
shell_print(ctx_shell, "Discover complete: err %d", err);
}
static void discover_all(struct bt_conn *conn, int err, enum bt_audio_dir dir)
{
/* Sinks discovery complete, now discover sources */
if (dir == BT_AUDIO_DIR_SINK) {
dir = BT_AUDIO_DIR_SOURCE;
unicast_client_cbs.discover = discover_cb;
err = bt_bap_unicast_client_discover(default_conn, dir);
if (err) {
shell_error(ctx_shell, "bt_bap_unicast_client_discover err %d", err);
}
}
}
static void unicast_client_location_cb(struct bt_conn *conn,
enum bt_audio_dir dir,
enum bt_audio_location loc)
{
shell_print(ctx_shell, "dir %u loc %X\n", dir, loc);
}
static void available_contexts_cb(struct bt_conn *conn,
enum bt_audio_context snk_ctx,
enum bt_audio_context src_ctx)
{
shell_print(ctx_shell, "snk ctx %u src ctx %u\n", snk_ctx, src_ctx);
}
static void config_cb(struct bt_bap_stream *stream, enum bt_bap_ascs_rsp_code rsp_code,
enum bt_bap_ascs_reason reason)
{
shell_print(ctx_shell, "stream %p config operation rsp_code %u reason %u",
stream, rsp_code, reason);
if (default_stream == NULL) {
default_stream = stream;
}
}
static void qos_cb(struct bt_bap_stream *stream, enum bt_bap_ascs_rsp_code rsp_code,
enum bt_bap_ascs_reason reason)
{
shell_print(ctx_shell, "stream %p qos operation rsp_code %u reason %u",
stream, rsp_code, reason);
}
static void enable_cb(struct bt_bap_stream *stream, enum bt_bap_ascs_rsp_code rsp_code,
enum bt_bap_ascs_reason reason)
{
shell_print(ctx_shell, "stream %p enable operation rsp_code %u reason %u",
stream, rsp_code, reason);
}
static void start_cb(struct bt_bap_stream *stream, enum bt_bap_ascs_rsp_code rsp_code,
enum bt_bap_ascs_reason reason)
{
shell_print(ctx_shell, "stream %p start operation rsp_code %u reason %u",
stream, rsp_code, reason);
}
static void stop_cb(struct bt_bap_stream *stream, enum bt_bap_ascs_rsp_code rsp_code,
enum bt_bap_ascs_reason reason)
{
shell_print(ctx_shell, "stream %p stop operation rsp_code %u reason %u",
stream, rsp_code, reason);
}
static void disable_cb(struct bt_bap_stream *stream, enum bt_bap_ascs_rsp_code rsp_code,
enum bt_bap_ascs_reason reason)
{
shell_print(ctx_shell, "stream %p disable operation rsp_code %u reason %u",
stream, rsp_code, reason);
}
static void metadata_cb(struct bt_bap_stream *stream, enum bt_bap_ascs_rsp_code rsp_code,
enum bt_bap_ascs_reason reason)
{
shell_print(ctx_shell, "stream %p metadata operation rsp_code %u reason %u",
stream, rsp_code, reason);
}
static void release_cb(struct bt_bap_stream *stream, enum bt_bap_ascs_rsp_code rsp_code,
enum bt_bap_ascs_reason reason)
{
shell_print(ctx_shell, "stream %p release operation rsp_code %u reason %u",
stream, rsp_code, reason);
}
static struct bt_bap_unicast_client_cb unicast_client_cbs = {
.location = unicast_client_location_cb,
.available_contexts = available_contexts_cb,
.config = config_cb,
.qos = qos_cb,
.enable = enable_cb,
.start = start_cb,
.stop = stop_cb,
.disable = disable_cb,
.metadata = metadata_cb,
.release = release_cb,
.pac_record = pac_record_cb,
.endpoint = endpoint_cb,
};
static int cmd_discover(const struct shell *sh, size_t argc, char *argv[])
{
static bool cbs_registered;
enum bt_audio_dir dir;
uint8_t conn_index;
int err;
if (!default_conn) {
shell_error(sh, "Not connected");
return -ENOEXEC;
}
if (!initialized) {
shell_error(sh, "Not initialized");
return -ENOEXEC;
}
if (!cbs_registered) {
err = bt_bap_unicast_client_register_cb(&unicast_client_cbs);
if (err != 0) {
shell_error(sh, "Failed to register unicast client callbacks: %d", err);
return err;
}
cbs_registered = true;
}
unicast_client_cbs.discover = discover_all;
dir = BT_AUDIO_DIR_SINK;
if (argc > 1) {
if (!strcmp(argv[1], "sink")) {
unicast_client_cbs.discover = discover_cb;
} else if (!strcmp(argv[1], "source")) {
unicast_client_cbs.discover = discover_cb;
dir = BT_AUDIO_DIR_SOURCE;
} else {
shell_error(sh, "Unsupported dir: %s", argv[1]);
return -ENOEXEC;
}
}
err = bt_bap_unicast_client_discover(default_conn, dir);
if (err != 0) {
return -ENOEXEC;
}
conn_index = bt_conn_index(default_conn);
#if CONFIG_BT_BAP_UNICAST_CLIENT_ASE_SRC_COUNT > 0
memset(srcs[conn_index], 0, sizeof(srcs[conn_index]));
#endif /* CONFIG_BT_BAP_UNICAST_CLIENT_ASE_SRC_COUNT > 0 */
#if CONFIG_BT_BAP_UNICAST_CLIENT_ASE_SNK_COUNT > 0
memset(snks[conn_index], 0, sizeof(snks[conn_index]));
#endif /* CONFIG_BT_BAP_UNICAST_CLIENT_ASE_SNK_COUNT > 0 */
return 0;
}
static int cmd_config(const struct shell *sh, size_t argc, char *argv[])
{
enum bt_audio_location location = BT_AUDIO_LOCATION_MONO_AUDIO;
const struct named_lc3_preset *named_preset;
struct shell_stream *uni_stream;
struct bt_bap_stream *bap_stream;
struct bt_bap_ep *ep = NULL;
enum bt_audio_dir dir;
unsigned long index;
uint8_t conn_index;
int err = 0;
if (!default_conn) {
shell_error(sh, "Not connected");
return -ENOEXEC;
}
conn_index = bt_conn_index(default_conn);
if (default_stream == NULL) {
bap_stream = bap_stream_from_shell_stream(&unicast_streams[0]);
} else {
bap_stream = default_stream;
}
index = shell_strtoul(argv[2], 0, &err);
if (err != 0) {
shell_error(sh, "Could not parse index: %d", err);
return -ENOEXEC;
}
if (index > ARRAY_SIZE(unicast_streams)) {
shell_error(sh, "Invalid index: %lu", index);
return -ENOEXEC;
}
if (false) {
#if CONFIG_BT_BAP_UNICAST_CLIENT_ASE_SNK_COUNT > 0
} else if (!strcmp(argv[1], "sink")) {
dir = BT_AUDIO_DIR_SINK;
ep = snks[conn_index][index];
named_preset = &default_sink_preset;
#endif /* CONFIG_BT_BAP_UNICAST_CLIENT_ASE_SNK_COUNT > 0 */
#if CONFIG_BT_BAP_UNICAST_CLIENT_ASE_SRC_COUNT > 0
} else if (!strcmp(argv[1], "source")) {
dir = BT_AUDIO_DIR_SOURCE;
ep = srcs[conn_index][index];
named_preset = &default_source_preset;
#endif /* CONFIG_BT_BAP_UNICAST_CLIENT_ASE_SRC_COUNT > 0 */
} else {
shell_error(sh, "Unsupported dir: %s", argv[1]);
return -ENOEXEC;
}
if (!ep) {
shell_error(sh, "Unable to find endpoint");
return -ENOEXEC;
}
for (size_t i = 3U; i < argc; i++) {
const char *arg = argv[i];
/* argc needs to be larger than `i` to parse the argument value */
if (argc <= i) {
shell_help(sh);
return SHELL_CMD_HELP_PRINTED;
}
if (strcmp(arg, "loc") == 0) {
unsigned long loc_bits;
arg = argv[++i];
loc_bits = shell_strtoul(arg, 0, &err);
if (err != 0) {
shell_error(sh, "Could not parse loc_bits: %d", err);
return -ENOEXEC;
}
if (loc_bits > BT_AUDIO_LOCATION_ANY) {
shell_error(sh, "Invalid loc_bits: %lu", loc_bits);
return -ENOEXEC;
}
location = (enum bt_audio_location)loc_bits;
} else if (strcmp(arg, "preset") == 0) {
if (argc > i) {
arg = argv[++i];
named_preset = bap_get_named_preset(true, dir, arg);
if (named_preset == NULL) {
shell_error(sh, "Unable to parse named_preset %s", arg);
return -ENOEXEC;
}
} else {
shell_help(sh);
return SHELL_CMD_HELP_PRINTED;
}
} else {
shell_help(sh);
return SHELL_CMD_HELP_PRINTED;
}
}
uni_stream = shell_stream_from_bap_stream(bap_stream);
copy_unicast_stream_preset(uni_stream, named_preset);
/* If location has been modifed, we update the location in the codec configuration */
struct bt_audio_codec_cfg *codec_cfg = &uni_stream->codec_cfg;
for (size_t i = 0U; i < codec_cfg->data_len;) {
const uint8_t len = codec_cfg->data[i++];
uint8_t *value;
uint8_t data_len;
uint8_t type;
if (len == 0 || len > codec_cfg->data_len - i) {
/* Invalid len field */
return false;
}
type = codec_cfg->data[i++];
value = &codec_cfg->data[i];
if (type == BT_AUDIO_CODEC_CFG_CHAN_ALLOC) {
const uint32_t loc_32 = location;
sys_put_le32(loc_32, value);
shell_print(sh, "Setting location to 0x%08X", location);
break;
}
data_len = len - sizeof(type);
/* Since we are incrementing i by the value_len, we don't need to increment
* it further in the `for` statement
*/
i += data_len;
}
if (bap_stream->ep == ep) {
err = bt_bap_stream_reconfig(bap_stream, &uni_stream->codec_cfg);
if (err != 0) {
shell_error(sh, "Unable reconfig stream: %d", err);
return -ENOEXEC;
}
} else {
err = bt_bap_stream_config(default_conn, bap_stream, ep,
&uni_stream->codec_cfg);
if (err != 0) {
shell_error(sh, "Unable to config stream: %d", err);
return err;
}
}
shell_print(sh, "ASE config: preset %s", named_preset->name);
return 0;
}
static int cmd_stream_qos(const struct shell *sh, size_t argc, char *argv[])
{
struct bt_audio_codec_qos *qos;
unsigned long interval;
int err = 0;
if (default_stream == NULL) {
shell_print(sh, "No stream selected");
return -ENOEXEC;
}
qos = default_stream->qos;
if (qos == NULL) {
shell_print(sh, "Stream not configured");
return -ENOEXEC;
}
interval = shell_strtoul(argv[1], 0, &err);
if (err != 0) {
return -ENOEXEC;
}
if (!IN_RANGE(interval, BT_ISO_SDU_INTERVAL_MIN, BT_ISO_SDU_INTERVAL_MAX)) {
return -ENOEXEC;
}
qos->interval = interval;
if (argc > 2) {
unsigned long framing;
framing = shell_strtoul(argv[2], 0, &err);
if (err != 0) {
return -ENOEXEC;
}
if (framing != BT_ISO_FRAMING_UNFRAMED && framing != BT_ISO_FRAMING_FRAMED) {
return -ENOEXEC;
}
qos->framing = framing;
}
if (argc > 3) {
unsigned long latency;
latency = shell_strtoul(argv[3], 0, &err);
if (err != 0) {
return -ENOEXEC;
}
if (!IN_RANGE(latency, BT_ISO_LATENCY_MIN, BT_ISO_LATENCY_MAX)) {
return -ENOEXEC;
}
qos->latency = latency;
}
if (argc > 4) {
unsigned long pd;
pd = shell_strtoul(argv[4], 0, &err);
if (err != 0) {
return -ENOEXEC;
}
if (pd > BT_AUDIO_PD_MAX) {
return -ENOEXEC;
}
qos->pd = pd;
}
if (argc > 5) {
unsigned long sdu;
sdu = shell_strtoul(argv[5], 0, &err);
if (err != 0) {
return -ENOEXEC;
}
if (sdu > BT_ISO_MAX_SDU) {
return -ENOEXEC;
}
qos->sdu = sdu;
}
if (argc > 6) {
unsigned long phy;
phy = shell_strtoul(argv[6], 0, &err);
if (err != 0) {
return -ENOEXEC;
}
if (phy != BT_GAP_LE_PHY_1M && phy != BT_GAP_LE_PHY_2M &&
phy != BT_GAP_LE_PHY_CODED) {
return -ENOEXEC;
}
qos->phy = phy;
}
if (argc > 7) {
unsigned long rtn;
rtn = shell_strtoul(argv[7], 0, &err);
if (err != 0) {
return -ENOEXEC;
}
if (rtn > BT_ISO_CONNECTED_RTN_MAX) {
return -ENOEXEC;
}
qos->rtn = rtn;
}
return 0;
}
static int create_unicast_group(const struct shell *sh)
{
struct bt_bap_unicast_group_stream_pair_param pair_param[ARRAY_SIZE(unicast_streams)];
struct bt_bap_unicast_group_stream_param stream_params[ARRAY_SIZE(unicast_streams)];
struct bt_bap_unicast_group_param group_param;
size_t source_cnt = 0;
size_t sink_cnt = 0;
size_t cnt = 0;
int err;
memset(pair_param, 0, sizeof(pair_param));
memset(stream_params, 0, sizeof(stream_params));
memset(&group_param, 0, sizeof(group_param));
for (size_t i = 0U; i < ARRAY_SIZE(unicast_streams); i++) {
struct bt_bap_stream *stream = bap_stream_from_shell_stream(&unicast_streams[i]);
struct shell_stream *uni_stream = &unicast_streams[i];
if (stream->ep != NULL) {
struct bt_bap_unicast_group_stream_param *stream_param;
stream_param = &stream_params[cnt];
stream_param->stream = stream;
if (stream_dir(stream) == BT_AUDIO_DIR_SINK) {
stream_param->qos = &uni_stream->qos;
pair_param[sink_cnt++].tx_param = stream_param;
} else {
stream_param->qos = &uni_stream->qos;
pair_param[source_cnt++].rx_param = stream_param;
}
cnt++;
}
}
if (cnt == 0U) {
shell_error(sh, "Stream cnt is 0");
return -ENOEXEC;
}
group_param.packing = BT_ISO_PACKING_SEQUENTIAL;
group_param.params = pair_param;
group_param.params_count = MAX(source_cnt, sink_cnt);
err = bt_bap_unicast_group_create(&group_param,
&default_unicast_group);
if (err != 0) {
shell_error(sh,
"Unable to create default unicast group: %d",
err);
return -ENOEXEC;
}
return 0;
}
static int cmd_qos(const struct shell *sh, size_t argc, char *argv[])
{
int err;
if (default_stream == NULL) {
shell_print(sh, "No stream selected");
return -ENOEXEC;
}
if (default_conn == NULL) {
shell_error(sh, "Not connected");
return -ENOEXEC;
}
if (default_unicast_group == NULL) {
err = create_unicast_group(sh);
if (err != 0) {
return err;
}
}
err = bt_bap_stream_qos(default_conn, default_unicast_group);
if (err) {
shell_error(sh, "Unable to setup QoS: %d", err);
return -ENOEXEC;
}
return 0;
}
static int cmd_enable(const struct shell *sh, size_t argc, char *argv[])
{
struct bt_audio_codec_cfg *codec_cfg;
int err;
if (default_stream == NULL) {
shell_error(sh, "No stream selected");
return -ENOEXEC;
}
codec_cfg = default_stream->codec_cfg;
if (argc > 1) {
err = set_metadata(codec_cfg, argv[1]);
if (err != 0) {
shell_error(sh, "Unable to handle metadata update: %d", err);
return err;
}
}
err = bt_bap_stream_enable(default_stream, codec_cfg->meta, codec_cfg->meta_len);
if (err) {
shell_error(sh, "Unable to enable Channel");
return -ENOEXEC;
}
return 0;
}
static int cmd_stop(const struct shell *sh, size_t argc, char *argv[])
{
int err;
if (default_stream == NULL) {
shell_error(sh, "No stream selected");
return -ENOEXEC;
}
err = bt_bap_stream_stop(default_stream);
if (err) {
shell_error(sh, "Unable to stop Channel");
return -ENOEXEC;
}
return 0;
}
#endif /* CONFIG_BT_BAP_UNICAST_CLIENT */
static int cmd_metadata(const struct shell *sh, size_t argc, char *argv[])
{
struct bt_audio_codec_cfg *codec_cfg;
int err;
if (default_stream == NULL) {
shell_error(sh, "No stream selected");
return -ENOEXEC;
}
codec_cfg = default_stream->codec_cfg;
if (argc > 1) {
err = set_metadata(codec_cfg, argv[1]);
if (err != 0) {
shell_error(sh, "Unable to handle metadata update: %d", err);
return err;
}
}
err = bt_bap_stream_metadata(default_stream, codec_cfg->meta, codec_cfg->meta_len);
if (err) {
shell_error(sh, "Unable to set Channel metadata");
return -ENOEXEC;
}
return 0;
}
static int cmd_start(const struct shell *sh, size_t argc, char *argv[])
{
int err;
if (default_stream == NULL) {
shell_error(sh, "No stream selected");
return -ENOEXEC;
}
err = bt_bap_stream_start(default_stream);
if (err) {
shell_error(sh, "Unable to start Channel");
return -ENOEXEC;
}
return 0;
}
static int cmd_disable(const struct shell *sh, size_t argc, char *argv[])
{
int err;
if (default_stream == NULL) {
shell_error(sh, "No stream selected");
return -ENOEXEC;
}
err = bt_bap_stream_disable(default_stream);
if (err) {
shell_error(sh, "Unable to disable Channel");
return -ENOEXEC;
}
return 0;
}
#if defined(CONFIG_BT_BAP_UNICAST_CLIENT)
static void conn_list_eps(struct bt_conn *conn, void *data)
{
const struct shell *sh = (const struct shell *)data;
uint8_t conn_index = bt_conn_index(conn);
shell_print(sh, "Conn: %p", conn);
shell_print(sh, " Sinks:");
#if CONFIG_BT_BAP_UNICAST_CLIENT_ASE_SNK_COUNT > 0
for (size_t i = 0U; i < ARRAY_SIZE(snks[conn_index]); i++) {
const struct bt_bap_ep *ep = snks[conn_index][i];
if (ep != NULL) {
shell_print(sh, " #%u: ep %p", i, ep);
}
}
#endif /* CONFIG_BT_BAP_UNICAST_CLIENT_ASE_SNK_COUNT > 0 */
#if CONFIG_BT_BAP_UNICAST_CLIENT_ASE_SRC_COUNT > 0
shell_print(sh, " Sources:");
for (size_t i = 0U; i < ARRAY_SIZE(srcs[conn_index]); i++) {
const struct bt_bap_ep *ep = srcs[conn_index][i];
if (ep != NULL) {
shell_print(sh, " #%u: ep %p", i, ep);
}
}
#endif /* CONFIG_BT_BAP_UNICAST_CLIENT_ASE_SRC_COUNT > 0 */
}
#endif /* CONFIG_BT_BAP_UNICAST_CLIENT */
#if defined(CONFIG_BT_BAP_UNICAST_CLIENT)
static int cmd_list(const struct shell *sh, size_t argc, char *argv[])
{
shell_print(sh, "Configured Channels:");
for (size_t i = 0U; i < ARRAY_SIZE(unicast_streams); i++) {
struct bt_bap_stream *stream = &unicast_streams[i].stream.bap_stream;
if (stream != NULL && stream->conn != NULL) {
shell_print(sh, " %s#%u: stream %p dir 0x%02x group %p",
stream == default_stream ? "*" : " ", i, stream,
stream_dir(stream), stream->group);
}
}
bt_conn_foreach(BT_CONN_TYPE_LE, conn_list_eps, (void *)sh);
return 0;
}
#endif /* CONFIG_BT_BAP_UNICAST_CLIENT */
static int cmd_release(const struct shell *sh, size_t argc, char *argv[])
{
int err;
if (default_stream == NULL) {
shell_print(sh, "No stream selected");
return -ENOEXEC;
}
err = bt_bap_stream_release(default_stream);
if (err) {
shell_error(sh, "Unable to release Channel");
return -ENOEXEC;
}
return 0;
}
#endif /* CONFIG_BT_BAP_UNICAST */
#if IS_BAP_INITIATOR
static ssize_t parse_config_data_args(const struct shell *sh, size_t argn, size_t argc,
char *argv[], struct bt_audio_codec_cfg *codec_cfg)
{
for (; argn < argc; argn++) {
const char *arg = argv[argn];
unsigned long val;
int err = 0;
if (strcmp(arg, "freq") == 0) {
if (++argn == argc) {
shell_help(sh);
return -1;
}
arg = argv[argn];
val = shell_strtoul(arg, 0, &err);
if (err != 0) {
shell_error(sh, "Failed to parse freq from %s: %d", arg, err);
return -1;
}
if (val > UINT8_MAX) {
shell_error(sh, "Invalid freq value: %lu", val);
return -1;
}
err = bt_audio_codec_cfg_set_freq(codec_cfg,
(enum bt_audio_codec_cfg_freq)val);
if (err < 0) {
shell_error(sh, "Failed to set freq with value %lu: %d", val, err);
return -1;
}
} else if (strcmp(arg, "dur") == 0) {
if (++argn == argc) {
shell_help(sh);
return -1;
}
arg = argv[argn];
val = shell_strtoul(arg, 0, &err);
if (err != 0) {
shell_error(sh, "Failed to parse dur from %s: %d", arg, err);
return -1;
}
if (val > UINT8_MAX) {
shell_error(sh, "Invalid dur value: %lu", val);
return -1;
}
err = bt_audio_codec_cfg_set_frame_dur(
codec_cfg, (enum bt_audio_codec_cfg_frame_dur)val);
if (err < 0) {
shell_error(sh, "Failed to set dur with value %lu: %d", val, err);
return -1;
}
} else if (strcmp(arg, "chan_alloc") == 0) {
if (++argn == argc) {
shell_help(sh);
return -1;
}
arg = argv[argn];
val = shell_strtoul(arg, 0, &err);
if (err != 0) {
shell_error(sh, "Failed to parse chan alloc from %s: %d", arg, err);
return -1;
}
if (val > UINT32_MAX) {
shell_error(sh, "Invalid chan alloc value: %lu", val);
return -1;
}
err = bt_audio_codec_cfg_set_chan_allocation(codec_cfg,
(enum bt_audio_location)val);
if (err < 0) {
shell_error(sh, "Failed to set chan alloc with value %lu: %d", val,
err);
return -1;
}
} else if (strcmp(arg, "frame_len") == 0) {
if (++argn == argc) {
shell_help(sh);
return -1;
}
arg = argv[argn];
val = shell_strtoul(arg, 0, &err);
if (err != 0) {
shell_error(sh, "Failed to frame len from %s: %d", arg, err);
return -1;
}
if (val > UINT16_MAX) {
shell_error(sh, "Invalid frame len value: %lu", val);
return -1;
}
err = bt_audio_codec_cfg_set_octets_per_frame(codec_cfg, (uint16_t)val);
if (err < 0) {
shell_error(sh, "Failed to set frame len with value %lu: %d", val,
err);
return -1;
}
} else if (strcmp(arg, "frame_blks") == 0) {
if (++argn == argc) {
shell_help(sh);
return -1;
}
arg = argv[argn];
val = shell_strtoul(arg, 0, &err);
if (err != 0) {
shell_error(sh, "Failed to parse frame blks from %s: %d", arg, err);
return -1;
}
if (val > UINT8_MAX) {
shell_error(sh, "Invalid frame blks value: %lu", val);
return -1;
}
err = bt_audio_codec_cfg_set_frame_blocks_per_sdu(codec_cfg, (uint8_t)val);
if (err < 0) {
shell_error(sh, "Failed to set frame blks with value %lu: %d", val,
err);
return -1;
}
} else { /* we are no longer parsing codec config values */
/* Decrement to return taken argument */
argn--;
break;
}
}
return argn;
}
static ssize_t parse_config_meta_args(const struct shell *sh, size_t argn, size_t argc,
char *argv[], struct bt_audio_codec_cfg *codec_cfg)
{
for (; argn < argc; argn++) {
const char *arg = argv[argn];
unsigned long val;
int err = 0;
if (strcmp(arg, "pref_ctx") == 0) {
if (++argn == argc) {
shell_help(sh);
return -1;
}
arg = argv[argn];
val = shell_strtoul(arg, 0, &err);
if (err != 0) {
shell_error(sh, "Failed to parse pref ctx from %s: %d", arg, err);
return -1;
}
if (val > UINT16_MAX) {
shell_error(sh, "Invalid pref ctx value: %lu", val);
return -1;
}
err = bt_audio_codec_cfg_meta_set_pref_context(codec_cfg,
(enum bt_audio_context)val);
if (err < 0) {
shell_error(sh, "Failed to set pref ctx with value %lu: %d", val,
err);
return -1;
}
} else if (strcmp(arg, "stream_ctx") == 0) {
if (++argn == argc) {
shell_help(sh);
return -1;
}
arg = argv[argn];
val = shell_strtoul(arg, 0, &err);
if (err != 0) {
shell_error(sh, "Failed to parse stream ctx from %s: %d", arg, err);
return -1;
}
if (val > UINT16_MAX) {
shell_error(sh, "Invalid stream ctx value: %lu", val);
return -1;
}
err = bt_audio_codec_cfg_meta_set_stream_context(
codec_cfg, (enum bt_audio_context)val);
if (err < 0) {
shell_error(sh, "Failed to set stream ctx with value %lu: %d", val,
err);
return -1;
}
} else if (strcmp(arg, "program_info") == 0) {
if (++argn == argc) {
shell_help(sh);
return -1;
}
arg = argv[argn];
err = bt_audio_codec_cfg_meta_set_program_info(codec_cfg, arg, strlen(arg));
if (err != 0) {
shell_error(sh, "Failed to set program info with value %s: %d", arg,
err);
return -1;
}
} else if (strcmp(arg, "stream_lang") == 0) {
if (++argn == argc) {
shell_help(sh);
return -1;
}
arg = argv[argn];
if (strlen(arg) != 3) {
shell_error(sh, "Failed to parse stream lang from %s", arg);
return -1;
}
val = sys_get_le24(arg);
err = bt_audio_codec_cfg_meta_set_stream_lang(codec_cfg, (uint32_t)val);
if (err < 0) {
shell_error(sh, "Failed to set stream lang with value %lu: %d", val,
err);
return -1;
}
} else if (strcmp(arg, "ccid_list") == 0) {
uint8_t ccid_list[CONFIG_BT_AUDIO_CODEC_CFG_MAX_DATA_SIZE];
size_t ccid_list_len;
if (++argn == argc) {
shell_help(sh);
return -1;
}
arg = argv[argn];
ccid_list_len = hex2bin(arg, strlen(arg), ccid_list, sizeof(ccid_list));
if (ccid_list_len == 0) {
shell_error(sh, "Failed to parse ccid list from %s", arg);
return -1;
}
err = bt_audio_codec_cfg_meta_set_ccid_list(codec_cfg, ccid_list,
ccid_list_len);
if (err < 0) {
shell_error(sh, "Failed to set ccid list with value %s: %d", arg,
err);
return -1;
}
} else if (strcmp(arg, "parental_rating") == 0) {
if (++argn == argc) {
shell_help(sh);
return -1;
}
arg = argv[argn];
val = shell_strtoul(arg, 0, &err);
if (err != 0) {
shell_error(sh, "Failed to parse parental rating from %s: %d", arg,
err);
return -1;
}
if (val > UINT8_MAX) {
shell_error(sh, "Invalid parental rating value: %lu", val);
return -1;
}
err = bt_audio_codec_cfg_meta_set_parental_rating(
codec_cfg, (enum bt_audio_parental_rating)val);
if (err < 0) {
shell_error(sh, "Failed to set parental rating with value %lu: %d",
val, err);
return -1;
}
} else if (strcmp(arg, "program_info_uri") == 0) {
if (++argn == argc) {
shell_help(sh);
return -1;
}
arg = argv[argn];
err = bt_audio_codec_cfg_meta_set_program_info_uri(codec_cfg, arg,
strlen(arg));
if (err < 0) {
shell_error(sh, "Failed to set program info URI with value %s: %d",
arg, err);
return -1;
}
} else if (strcmp(arg, "audio_active_state") == 0) {
if (++argn == argc) {
shell_help(sh);
return -1;
}
arg = argv[argn];
val = shell_strtoul(arg, 0, &err);
if (err != 0) {
shell_error(sh, "Failed to parse audio active state from %s: %d",
arg, err);
return -1;
}
if (val > UINT8_MAX) {
shell_error(sh, "Invalid audio active state value: %lu", val);
return -1;
}
err = bt_audio_codec_cfg_meta_set_audio_active_state(
codec_cfg, (enum bt_audio_active_state)val);
if (err < 0) {
shell_error(sh,
"Failed to set audio active state with value %lu: %d",
val, err);
return -1;
}
} else if (strcmp(arg, "bcast_flag") == 0) {
err = bt_audio_codec_cfg_meta_set_bcast_audio_immediate_rend_flag(
codec_cfg);
if (err < 0) {
shell_error(sh, "Failed to set audio active state: %d", err);
return -1;
}
} else if (strcmp(arg, "extended") == 0) {
uint8_t extended[CONFIG_BT_AUDIO_CODEC_CFG_MAX_DATA_SIZE];
size_t extended_len;
if (++argn == argc) {
shell_help(sh);
return -1;
}
arg = argv[argn];
extended_len = hex2bin(arg, strlen(arg), extended, sizeof(extended));
if (extended_len == 0) {
shell_error(sh, "Failed to parse extended meta from %s", arg);
return -1;
}
err = bt_audio_codec_cfg_meta_set_extended(codec_cfg, extended,
extended_len);
if (err < 0) {
shell_error(sh, "Failed to set extended meta with value %s: %d",
arg, err);
return -1;
}
} else if (strcmp(arg, "vendor") == 0) {
uint8_t vendor[CONFIG_BT_AUDIO_CODEC_CFG_MAX_DATA_SIZE];
size_t vendor_len;
if (++argn == argc) {
shell_help(sh);
return -1;
}
arg = argv[argn];
vendor_len = hex2bin(arg, strlen(arg), vendor, sizeof(vendor));
if (vendor_len == 0) {
shell_error(sh, "Failed to parse vendor meta from %s", arg);
return -1;
}
err = bt_audio_codec_cfg_meta_set_vendor(codec_cfg, vendor, vendor_len);
if (err < 0) {
shell_error(sh, "Failed to set vendor meta with value %s: %d", arg,
err);
return -1;
}
} else { /* we are no longer parsing codec config meta values */
/* Decrement to return taken argument */
argn--;
break;
}
}
return argn;
}
static int cmd_preset(const struct shell *sh, size_t argc, char *argv[])
{
const struct named_lc3_preset *named_preset;
enum bt_audio_dir dir;
bool unicast = true;
if (!strcmp(argv[1], "sink")) {
dir = BT_AUDIO_DIR_SINK;
named_preset = &default_sink_preset;
} else if (!strcmp(argv[1], "source")) {
dir = BT_AUDIO_DIR_SOURCE;
named_preset = &default_source_preset;
} else if (!strcmp(argv[1], "broadcast")) {
unicast = false;
dir = BT_AUDIO_DIR_SOURCE;
named_preset = &default_broadcast_source_preset;
} else {
shell_error(sh, "Unsupported dir: %s", argv[1]);
return -ENOEXEC;
}
if (argc > 2) {
struct bt_audio_codec_cfg *codec_cfg;
named_preset = bap_get_named_preset(unicast, dir, argv[2]);
if (named_preset == NULL) {
shell_error(sh, "Unable to parse named_preset %s", argv[2]);
return -ENOEXEC;
}
if (!strcmp(argv[1], "sink")) {
named_preset = memcpy(&default_sink_preset, named_preset,
sizeof(default_sink_preset));
codec_cfg = &default_sink_preset.preset.codec_cfg;
} else if (!strcmp(argv[1], "source")) {
named_preset = memcpy(&default_source_preset, named_preset,
sizeof(default_sink_preset));
codec_cfg = &default_source_preset.preset.codec_cfg;
} else if (!strcmp(argv[1], "broadcast")) {
named_preset = memcpy(&default_broadcast_source_preset, named_preset,
sizeof(default_sink_preset));
codec_cfg = &default_broadcast_source_preset.preset.codec_cfg;
} else {
shell_error(sh, "Invalid dir: %s", argv[1]);
return -ENOEXEC;
}
if (argc > 3) {
struct bt_audio_codec_cfg codec_cfg_backup;
memcpy(&codec_cfg_backup, codec_cfg, sizeof(codec_cfg_backup));
for (size_t argn = 3; argn < argc; argn++) {
const char *arg = argv[argn];
if (strcmp(arg, "config") == 0) {
ssize_t ret;
if (++argn == argc) {
shell_help(sh);
memcpy(codec_cfg, &codec_cfg_backup,
sizeof(codec_cfg_backup));
return SHELL_CMD_HELP_PRINTED;
}
ret = parse_config_data_args(sh, argn, argc, argv,
codec_cfg);
if (ret < 0) {
memcpy(codec_cfg, &codec_cfg_backup,
sizeof(codec_cfg_backup));
return -ENOEXEC;
}
argn = ret;
} else if (strcmp(arg, "meta") == 0) {
ssize_t ret;
if (++argn == argc) {
shell_help(sh);
memcpy(codec_cfg, &codec_cfg_backup,
sizeof(codec_cfg_backup));
return SHELL_CMD_HELP_PRINTED;
}
ret = parse_config_meta_args(sh, argn, argc, argv,
codec_cfg);
if (ret < 0) {
memcpy(codec_cfg, &codec_cfg_backup,
sizeof(codec_cfg_backup));
return -ENOEXEC;
}
argn = ret;
} else {
shell_error(sh, "Invalid argument: %s", arg);
shell_help(sh);
return -ENOEXEC;
}
}
}
}
shell_print(sh, "%s", named_preset->name);
print_codec_cfg(ctx_shell, 0, &named_preset->preset.codec_cfg);
print_qos(ctx_shell, &named_preset->preset.qos);
return 0;
}
#endif /* IS_BAP_INITIATOR */
#if defined(CONFIG_BT_BAP_BROADCAST_SINK)
#define INVALID_BROADCAST_ID (BT_AUDIO_BROADCAST_ID_MAX + 1)
#define PA_SYNC_INTERVAL_TO_TIMEOUT_RATIO 20 /* Set the timeout relative to interval */
#define PA_SYNC_SKIP 5
static struct broadcast_sink_auto_scan {
struct broadcast_sink *broadcast_sink;
uint32_t broadcast_id;
} auto_scan = {
.broadcast_id = INVALID_BROADCAST_ID,
};
static void clear_auto_scan(void)
{
if (auto_scan.broadcast_id != INVALID_BROADCAST_ID) {
memset(&auto_scan, 0, sizeof(auto_scan));
auto_scan.broadcast_id = INVALID_BROADCAST_ID;
}
}
static uint16_t interval_to_sync_timeout(uint16_t interval)
{
uint32_t interval_ms;
uint32_t timeout;
/* Add retries and convert to unit in 10's of ms */
interval_ms = BT_GAP_PER_ADV_INTERVAL_TO_MS(interval);
timeout = (interval_ms * PA_SYNC_INTERVAL_TO_TIMEOUT_RATIO) / 10;
/* Enforce restraints */
timeout = CLAMP(timeout, BT_GAP_PER_ADV_MIN_TIMEOUT, BT_GAP_PER_ADV_MAX_TIMEOUT);
return (uint16_t)timeout;
}
static bool scan_check_and_sync_broadcast(struct bt_data *data, void *user_data)
{
const struct bt_le_scan_recv_info *info = user_data;
char le_addr[BT_ADDR_LE_STR_LEN];
struct bt_uuid_16 adv_uuid;
uint32_t broadcast_id;
if (data->type != BT_DATA_SVC_DATA16) {
return true;
}
if (data->data_len < BT_UUID_SIZE_16 + BT_AUDIO_BROADCAST_ID_SIZE) {
return true;
}
if (!bt_uuid_create(&adv_uuid.uuid, data->data, BT_UUID_SIZE_16)) {
return true;
}
if (bt_uuid_cmp(&adv_uuid.uuid, BT_UUID_BROADCAST_AUDIO)) {
return true;
}
broadcast_id = sys_get_le24(data->data + BT_UUID_SIZE_16);
bt_addr_le_to_str(info->addr, le_addr, sizeof(le_addr));
shell_print(ctx_shell, "Found broadcaster with ID 0x%06X and addr %s and sid 0x%02X",
broadcast_id, le_addr, info->sid);
if (auto_scan.broadcast_id == broadcast_id && auto_scan.broadcast_sink != NULL &&
auto_scan.broadcast_sink->pa_sync == NULL) {
struct bt_le_per_adv_sync_param create_params = {0};
int err;
err = bt_le_scan_stop();
if (err != 0) {
shell_error(ctx_shell, "Could not stop scan: %d", err);
}
bt_addr_le_copy(&create_params.addr, info->addr);
create_params.options = BT_LE_PER_ADV_SYNC_OPT_FILTER_DUPLICATE;
create_params.sid = info->sid;
create_params.skip = PA_SYNC_SKIP;
create_params.timeout = interval_to_sync_timeout(info->interval);
shell_print(ctx_shell, "Attempting to PA sync to the broadcaster");
err = bt_le_per_adv_sync_create(&create_params, &auto_scan.broadcast_sink->pa_sync);
if (err != 0) {
shell_error(ctx_shell, "Could not create Broadcast PA sync: %d", err);
}
}
/* Stop parsing */
return false;
}
static void broadcast_scan_recv(const struct bt_le_scan_recv_info *info, struct net_buf_simple *ad)
{
if (passes_scan_filter(info, ad)) {
bt_data_parse(ad, scan_check_and_sync_broadcast, (void *)info);
}
}
static void base_recv(struct bt_bap_broadcast_sink *sink, const struct bt_bap_base *base,
size_t base_size)
{
/* Don't print duplicates */
if (base_size != default_broadcast_sink.base_size ||
memcmp(base, &default_broadcast_sink.received_base, base_size) != 0) {
shell_print(ctx_shell, "Received BASE from sink %p:", sink);
(void)memcpy(&default_broadcast_sink.received_base, base, base_size);
default_broadcast_sink.base_size = base_size;
print_base(base);
}
}
static void syncable(struct bt_bap_broadcast_sink *sink, const struct bt_iso_biginfo *biginfo)
{
if (default_broadcast_sink.bap_sink == sink) {
if (default_broadcast_sink.syncable) {
return;
}
shell_print(ctx_shell, "Sink %p is ready to sync %s encryption", sink,
biginfo->encryption ? "with" : "without");
default_broadcast_sink.syncable = true;
}
}
static void bap_pa_sync_synced_cb(struct bt_le_per_adv_sync *sync,
struct bt_le_per_adv_sync_synced_info *info)
{
if (auto_scan.broadcast_sink != NULL && sync == auto_scan.broadcast_sink->pa_sync) {
shell_print(ctx_shell, "PA synced to broadcast with broadcast ID 0x%06x",
auto_scan.broadcast_id);
if (auto_scan.broadcast_sink->bap_sink == NULL) {
shell_print(ctx_shell, "Attempting to sync to the BIG");
int err;
err = bt_bap_broadcast_sink_create(sync, auto_scan.broadcast_id,
&auto_scan.broadcast_sink->bap_sink);
if (err != 0) {
shell_error(ctx_shell, "Could not create broadcast sink: %d", err);
}
} else {
shell_print(ctx_shell, "BIG is already synced");
}
}
clear_auto_scan();
}
static void bap_pa_sync_terminated_cb(struct bt_le_per_adv_sync *sync,
const struct bt_le_per_adv_sync_term_info *info)
{
if (default_broadcast_sink.pa_sync == sync) {
default_broadcast_sink.syncable = false;
(void)memset(&default_broadcast_sink.received_base, 0,
sizeof(default_broadcast_sink.received_base));
}
clear_auto_scan();
}
static void broadcast_scan_timeout_cb(void)
{
shell_print(ctx_shell, "Scan timeout");
clear_auto_scan();
}
static struct bt_bap_broadcast_sink_cb sink_cbs = {
.base_recv = base_recv,
.syncable = syncable,
};
static struct bt_le_per_adv_sync_cb bap_pa_sync_cb = {
.synced = bap_pa_sync_synced_cb,
.term = bap_pa_sync_terminated_cb,
};
static struct bt_le_scan_cb bap_scan_cb = {
.timeout = broadcast_scan_timeout_cb,
.recv = broadcast_scan_recv,
};
#endif /* CONFIG_BT_BAP_BROADCAST_SINK */
#if defined(CONFIG_BT_AUDIO_RX)
static unsigned long recv_stats_interval = 100U;
static void audio_recv(struct bt_bap_stream *stream,
const struct bt_iso_recv_info *info,
struct net_buf *buf)
{
struct shell_stream *sh_stream = shell_stream_from_bap_stream(stream);
sh_stream->rx_cnt++;
if (info->ts == sh_stream->last_info.ts) {
sh_stream->dup_ts++;
}
if (info->seq_num == sh_stream->last_info.seq_num) {
sh_stream->dup_psn++;
}
if (info->flags & BT_ISO_FLAGS_ERROR) {
sh_stream->err_pkts++;
}
if (info->flags & BT_ISO_FLAGS_LOST) {
sh_stream->lost_pkts++;
}
if ((sh_stream->rx_cnt % recv_stats_interval) == 0) {
shell_print(ctx_shell,
"[%zu]: Incoming audio on stream %p len %u ts %u seq_num %u flags %u "
"(dup ts %zu; dup psn %zu, err_pkts %zu, lost_pkts %zu)",
sh_stream->rx_cnt, stream, buf->len, info->ts, info->seq_num,
info->flags, sh_stream->dup_ts, sh_stream->dup_psn, sh_stream->err_pkts,
sh_stream->lost_pkts);
}
(void)memcpy(&sh_stream->last_info, info, sizeof(sh_stream->last_info));
}
#endif /* CONFIG_BT_AUDIO_RX */
#if defined(CONFIG_BT_BAP_UNICAST)
static void stream_enabled_cb(struct bt_bap_stream *stream)
{
shell_print(ctx_shell, "Stream %p enabled", stream);
if (IS_ENABLED(CONFIG_BT_BAP_UNICAST_SERVER)) {
struct bt_bap_ep_info ep_info;
struct bt_conn_info conn_info;
int err;
err = bt_conn_get_info(stream->conn, &conn_info);
if (err != 0) {
shell_error(ctx_shell, "Failed to get conn info: %d", err);
return;
}
if (conn_info.role == BT_CONN_ROLE_CENTRAL) {
return; /* We also want to autonomously start the stream as the server */
}
err = bt_bap_ep_get_info(stream->ep, &ep_info);
if (err != 0) {
shell_error(ctx_shell, "Failed to get ep info: %d", err);
return;
}
if (ep_info.dir == BT_AUDIO_DIR_SINK) {
/* Automatically do the receiver start ready operation */
err = bt_bap_stream_start(stream);
if (err != 0) {
shell_error(ctx_shell, "Failed to start stream: %d", err);
return;
}
}
}
}
#endif /* CONFIG_BT_BAP_UNICAST */
static void stream_started_cb(struct bt_bap_stream *bap_stream)
{
struct shell_stream *sh_stream = shell_stream_from_bap_stream(bap_stream);
#if defined(CONFIG_BT_AUDIO_TX)
sh_stream->connected_at_ticks = k_uptime_ticks();
#if defined(CONFIG_LIBLC3)
atomic_set(&sh_stream->lc3_enqueue_cnt, PRIME_COUNT);
sh_stream->lc3_sdu_cnt = 0U;
#endif /* CONFIG_LIBLC3 */
#endif /* CONFIG_BT_AUDIO_TX */
printk("Stream %p started\n", bap_stream);
#if defined(CONFIG_BT_AUDIO_RX)
sh_stream->lost_pkts = 0U;
sh_stream->err_pkts = 0U;
sh_stream->dup_psn = 0U;
sh_stream->rx_cnt = 0U;
sh_stream->dup_ts = 0U;
#endif
}
static void stream_stopped_cb(struct bt_bap_stream *stream, uint8_t reason)
{
printk("Stream %p stopped with reason 0x%02X\n", stream, reason);
#if defined(CONFIG_LIBLC3) && defined(CONFIG_BT_AUDIO_TX)
clear_lc3_sine_data(stream);
#endif /* CONFIG_LIBLC3 && CONFIG_BT_AUDIO_TX*/
#if defined(CONFIG_BT_BAP_BROADCAST_SINK)
struct shell_stream *sh_stream = shell_stream_from_bap_stream(stream);
if (IS_ARRAY_ELEMENT(broadcast_sink_streams, sh_stream)) {
if (default_broadcast_sink.stream_cnt != 0) {
default_broadcast_sink.stream_cnt--;
}
if (default_broadcast_sink.stream_cnt == 0) {
/* All streams in the broadcast sink has been terminated */
default_broadcast_sink.syncable = true;
memset(&default_broadcast_sink.received_base, 0,
sizeof(default_broadcast_sink.received_base));
default_broadcast_sink.broadcast_id = 0;
default_broadcast_sink.syncable = false;
}
}
#endif /* CONFIG_BT_BAP_BROADCAST_SINK */
}
#if defined(CONFIG_BT_BAP_UNICAST)
static void stream_configured_cb(struct bt_bap_stream *stream,
const struct bt_audio_codec_qos_pref *pref)
{
#if defined(CONFIG_LIBLC3)
if (stream->codec_cfg->id == BT_HCI_CODING_FORMAT_LC3) {
struct shell_stream *sh_stream = shell_stream_from_bap_stream(stream);
int ret;
ret = bt_audio_codec_cfg_get_freq(stream->codec_cfg);
if (ret > 0) {
ret = bt_audio_codec_cfg_freq_to_freq_hz(ret);
if (ret > 0) {
if (ret == 8000 || ret == 16000 || ret == 24000 || ret == 32000 ||
ret == 48000) {
sh_stream->lc3_freq_hz = (uint32_t)ret;
} else {
shell_error(ctx_shell, "Unsupported frequency for LC3: %d",
ret);
sh_stream->lc3_freq_hz = 0U;
}
} else {
shell_error(ctx_shell, "Invalid frequency: %d", ret);
sh_stream->lc3_freq_hz = 0U;
}
} else {
shell_error(ctx_shell, "Could not get frequency: %d", ret);
sh_stream->lc3_freq_hz = 0U;
}
ret = bt_audio_codec_cfg_get_frame_dur(stream->codec_cfg);
if (ret > 0) {
ret = bt_audio_codec_cfg_frame_dur_to_frame_dur_us(ret);
if (ret > 0) {
sh_stream->lc3_frame_duration_us = (uint32_t)ret;
} else {
shell_error(ctx_shell, "Invalid frame duration: %d", ret);
sh_stream->lc3_frame_duration_us = 0U;
}
} else {
shell_error(ctx_shell, "Could not get frame duration: %d", ret);
sh_stream->lc3_frame_duration_us = 0U;
}
ret = bt_audio_codec_cfg_get_frame_blocks_per_sdu(stream->codec_cfg, true);
if (ret > 0) {
sh_stream->lc3_frames_per_sdu = (uint8_t)ret;
} else {
shell_error(ctx_shell, "Could not get frame blocks per SDU: %d", ret);
sh_stream->lc3_frames_per_sdu = 0U;
}
ret = bt_audio_codec_cfg_get_octets_per_frame(stream->codec_cfg);
if (ret > 0) {
sh_stream->lc3_octets_per_frame = (uint16_t)ret;
} else {
shell_error(ctx_shell, "Could not get octets per frame: %d", ret);
sh_stream->lc3_octets_per_frame = 0U;
}
}
#endif /* CONFIG_LIBLC3 */
shell_print(ctx_shell, "Stream %p configured\n", stream);
}
static void stream_released_cb(struct bt_bap_stream *stream)
{
shell_print(ctx_shell, "Stream %p released\n", stream);
#if defined(CONFIG_BT_BAP_UNICAST_CLIENT)
if (default_unicast_group != NULL) {
bool group_can_be_deleted = true;
for (size_t i = 0U; i < ARRAY_SIZE(unicast_streams); i++) {
const struct bt_bap_stream *bap_stream =
bap_stream_from_shell_stream(&unicast_streams[i]);
if (bap_stream->ep != NULL) {
struct bt_bap_ep_info ep_info;
int err;
err = bt_bap_ep_get_info(bap_stream->ep, &ep_info);
if (err == 0 && ep_info.state != BT_BAP_EP_STATE_CODEC_CONFIGURED &&
ep_info.state != BT_BAP_EP_STATE_IDLE) {
group_can_be_deleted = false;
break;
}
}
}
if (group_can_be_deleted) {
int err;
shell_print(ctx_shell, "All streams released, deleting group\n");
err = bt_bap_unicast_group_delete(default_unicast_group);
if (err != 0) {
shell_error(ctx_shell, "Failed to delete unicast group: %d", err);
} else {
default_unicast_group = NULL;
}
}
}
#endif /* CONFIG_BT_BAP_UNICAST_CLIENT */
#if defined(CONFIG_LIBLC3) && defined(CONFIG_BT_AUDIO_TX)
/* stop sending */
clear_lc3_sine_data(stream);
#endif /* CONFIG_LIBLC3 && defined(CONFIG_BT_AUDIO_TX) */
}
#endif /* CONFIG_BT_BAP_UNICAST */
static struct bt_bap_stream_ops stream_ops = {
#if defined(CONFIG_BT_AUDIO_RX)
.recv = audio_recv,
#endif /* CONFIG_BT_AUDIO_RX */
#if defined(CONFIG_BT_BAP_UNICAST)
.configured = stream_configured_cb,
.released = stream_released_cb,
.enabled = stream_enabled_cb,
#endif /* CONFIG_BT_BAP_UNICAST */
.started = stream_started_cb,
.stopped = stream_stopped_cb,
#if defined(CONFIG_LIBLC3) && defined(CONFIG_BT_AUDIO_TX)
.sent = lc3_sent_cb,
#endif
};
#if defined(CONFIG_BT_BAP_BROADCAST_SOURCE)
static int cmd_select_broadcast_source(const struct shell *sh, size_t argc,
char *argv[])
{
unsigned long index;
int err = 0;
index = shell_strtoul(argv[1], 0, &err);
if (err != 0) {
shell_error(sh, "Could not parse index: %d", err);
return -ENOEXEC;
}
if (index > ARRAY_SIZE(broadcast_source_streams)) {
shell_error(sh, "Invalid index: %lu", index);
return -ENOEXEC;
}
default_stream = bap_stream_from_shell_stream(&broadcast_source_streams[index]);
return 0;
}
static int cmd_create_broadcast(const struct shell *sh, size_t argc,
char *argv[])
{
struct bt_bap_broadcast_source_stream_param
stream_params[ARRAY_SIZE(broadcast_source_streams)];
struct bt_bap_broadcast_source_subgroup_param subgroup_param;
struct bt_bap_broadcast_source_param create_param = {0};
const struct named_lc3_preset *named_preset;
int err;
if (default_source.bap_source != NULL) {
shell_info(sh, "Broadcast source already created");
return -ENOEXEC;
}
named_preset = &default_broadcast_source_preset;
for (size_t i = 1U; i < argc; i++) {
char *arg = argv[i];
if (strcmp(arg, "enc") == 0) {
if (argc > i) {
size_t bcode_len;
i++;
arg = argv[i];
bcode_len = hex2bin(arg, strlen(arg),
create_param.broadcast_code,
sizeof(create_param.broadcast_code));
if (bcode_len != sizeof(create_param.broadcast_code)) {
shell_error(sh, "Invalid Broadcast Code Length: %zu",
bcode_len);
return -ENOEXEC;
}
create_param.encryption = true;
} else {
shell_help(sh);
return SHELL_CMD_HELP_PRINTED;
}
} else if (strcmp(arg, "preset") == 0) {
if (argc > i) {
i++;
arg = argv[i];
named_preset = bap_get_named_preset(false, BT_AUDIO_DIR_SOURCE,
arg);
if (named_preset == NULL) {
shell_error(sh, "Unable to parse named_preset %s",
arg);
return -ENOEXEC;
}
} else {
shell_help(sh);
return SHELL_CMD_HELP_PRINTED;
}
}
}
copy_broadcast_source_preset(&default_source, named_preset);
(void)memset(stream_params, 0, sizeof(stream_params));
for (size_t i = 0; i < ARRAY_SIZE(stream_params); i++) {
stream_params[i].stream =
bap_stream_from_shell_stream(&broadcast_source_streams[i]);
}
subgroup_param.params_count = ARRAY_SIZE(stream_params);
subgroup_param.params = stream_params;
subgroup_param.codec_cfg = &default_source.codec_cfg;
create_param.params_count = 1U;
create_param.params = &subgroup_param;
create_param.qos = &default_source.qos;
err = bt_bap_broadcast_source_create(&create_param, &default_source.bap_source);
if (err != 0) {
shell_error(sh, "Unable to create broadcast source: %d", err);
return err;
}
shell_print(sh, "Broadcast source created: preset %s",
named_preset->name);
if (default_stream == NULL) {
default_stream = bap_stream_from_shell_stream(&broadcast_source_streams[0]);
}
return 0;
}
static int cmd_start_broadcast(const struct shell *sh, size_t argc,
char *argv[])
{
struct bt_le_ext_adv *adv = adv_sets[selected_adv];
int err;
if (adv == NULL) {
shell_info(sh, "Extended advertising set is NULL");
return -ENOEXEC;
}
if (default_source.bap_source == NULL || default_source.is_cap) {
shell_info(sh, "Broadcast source not created");
return -ENOEXEC;
}
err = bt_bap_broadcast_source_start(default_source.bap_source, adv_sets[selected_adv]);
if (err != 0) {
shell_error(sh, "Unable to start broadcast source: %d", err);
return err;
}
return 0;
}
static int cmd_stop_broadcast(const struct shell *sh, size_t argc, char *argv[])
{
int err;
if (default_source.bap_source == NULL || default_source.is_cap) {
shell_info(sh, "Broadcast source not created");
return -ENOEXEC;
}
err = bt_bap_broadcast_source_stop(default_source.bap_source);
if (err != 0) {
shell_error(sh, "Unable to stop broadcast source: %d", err);
return err;
}
return 0;
}
static int cmd_delete_broadcast(const struct shell *sh, size_t argc,
char *argv[])
{
int err;
if (default_source.bap_source == NULL || default_source.is_cap) {
shell_info(sh, "Broadcast source not created");
return -ENOEXEC;
}
err = bt_bap_broadcast_source_delete(default_source.bap_source);
if (err != 0) {
shell_error(sh, "Unable to delete broadcast source: %d", err);
return err;
}
default_source.bap_source = NULL;
return 0;
}
#endif /* CONFIG_BT_BAP_BROADCAST_SOURCE */
#if defined(CONFIG_BT_BAP_BROADCAST_SINK)
static int cmd_create_broadcast_sink(const struct shell *sh, size_t argc, char *argv[])
{
struct bt_le_per_adv_sync *per_adv_sync = per_adv_syncs[selected_per_adv_sync];
unsigned long broadcast_id;
int err = 0;
broadcast_id = shell_strtoul(argv[1], 0, &err);
if (err != 0) {
shell_error(sh, "Could not parse broadcast_id: %d", err);
return -ENOEXEC;
}
if (broadcast_id > BT_AUDIO_BROADCAST_ID_MAX) {
shell_error(sh, "Invalid broadcast_id: %lu", broadcast_id);
return -ENOEXEC;
}
if (per_adv_sync == NULL) {
const struct bt_le_scan_param param = {
.type = BT_LE_SCAN_TYPE_ACTIVE,
.options = BT_LE_SCAN_OPT_NONE,
.interval = BT_GAP_SCAN_FAST_INTERVAL,
.window = BT_GAP_SCAN_FAST_WINDOW,
.timeout = 1000, /* 10ms units -> 10 second timeout */
};
shell_print(sh, "No PA sync available, starting scanning for broadcast_id");
err = bt_le_scan_start(&param, NULL);
if (err) {
shell_print(sh, "Fail to start scanning: %d", err);
return -ENOEXEC;
}
auto_scan.broadcast_sink = &default_broadcast_sink;
auto_scan.broadcast_id = broadcast_id;
} else {
shell_print(sh, "Creating broadcast sink with broadcast ID 0x%06X",
(uint32_t)broadcast_id);
err = bt_bap_broadcast_sink_create(per_adv_sync, (uint32_t)broadcast_id,
&default_broadcast_sink.bap_sink);
if (err != 0) {
shell_error(sh, "Failed to create broadcast sink: %d", err);
return -ENOEXEC;
}
}
return 0;
}
static int cmd_sync_broadcast(const struct shell *sh, size_t argc, char *argv[])
{
struct bt_bap_stream *streams[ARRAY_SIZE(broadcast_sink_streams)];
uint8_t bcode[BT_AUDIO_BROADCAST_CODE_SIZE] = {0};
bool bcode_set = false;
uint32_t bis_bitfield;
size_t stream_cnt;
int err = 0;
bis_bitfield = 0;
stream_cnt = 0U;
for (size_t argn = 1U; argn < argc; argn++) {
const char *arg = argv[argn];
if (strcmp(argv[argn], "bcode") == 0) {
size_t len;
if (++argn == argc) {
shell_help(sh);
return SHELL_CMD_HELP_PRINTED;
}
arg = argv[argn];
len = hex2bin(arg, strlen(arg), bcode, sizeof(bcode));
if (len == 0) {
shell_print(sh, "Invalid broadcast code: %s", arg);
return -ENOEXEC;
}
bcode_set = true;
} else if (strcmp(argv[argn], "bcode_str") == 0) {
if (++argn == argc) {
shell_help(sh);
return SHELL_CMD_HELP_PRINTED;
}
arg = argv[argn];
if (strlen(arg) == 0U || strlen(arg) > sizeof(bcode)) {
shell_print(sh, "Invalid broadcast code: %s", arg);
return -ENOEXEC;
}
memcpy(bcode, arg, strlen(arg));
bcode_set = true;
} else {
unsigned long val;
val = shell_strtoul(arg, 0, &err);
if (err != 0) {
shell_error(sh, "Could not parse BIS index val: %d", err);
return -ENOEXEC;
}
if (!IN_RANGE(val, BT_ISO_BIS_INDEX_MIN, BT_ISO_BIS_INDEX_MAX)) {
shell_error(sh, "Invalid index: %lu", val);
return -ENOEXEC;
}
bis_bitfield |= BIT(val);
stream_cnt++;
}
}
if (default_broadcast_sink.bap_sink == NULL) {
shell_error(sh, "No sink available");
return -ENOEXEC;
}
(void)memset(streams, 0, sizeof(streams));
for (size_t i = 0; i < ARRAY_SIZE(streams); i++) {
streams[i] = bap_stream_from_shell_stream(&broadcast_sink_streams[i]);
}
err = bt_bap_broadcast_sink_sync(default_broadcast_sink.bap_sink, bis_bitfield, streams,
bcode_set ? bcode : NULL);
if (err != 0) {
shell_error(sh, "Failed to sync to broadcast: %d", err);
return err;
}
default_broadcast_sink.stream_cnt = stream_cnt;
return 0;
}
static int cmd_stop_broadcast_sink(const struct shell *sh, size_t argc,
char *argv[])
{
int err;
if (default_broadcast_sink.bap_sink == NULL) {
shell_error(sh, "No sink available");
return -ENOEXEC;
}
err = bt_bap_broadcast_sink_stop(default_broadcast_sink.bap_sink);
if (err != 0) {
shell_error(sh, "Failed to stop sink: %d", err);
return err;
}
return err;
}
static int cmd_term_broadcast_sink(const struct shell *sh, size_t argc,
char *argv[])
{
int err;
if (default_broadcast_sink.bap_sink == NULL) {
shell_error(sh, "No sink available");
return -ENOEXEC;
}
err = bt_bap_broadcast_sink_delete(default_broadcast_sink.bap_sink);
if (err != 0) {
shell_error(sh, "Failed to term sink: %d", err);
return err;
}
default_broadcast_sink.bap_sink = NULL;
default_broadcast_sink.syncable = false;
return err;
}
#endif /* CONFIG_BT_BAP_BROADCAST_SINK */
static int cmd_set_loc(const struct shell *sh, size_t argc, char *argv[])
{
int err = 0;
enum bt_audio_dir dir;
enum bt_audio_location loc;
unsigned long loc_val;
if (!strcmp(argv[1], "sink")) {
dir = BT_AUDIO_DIR_SINK;
} else if (!strcmp(argv[1], "source")) {
dir = BT_AUDIO_DIR_SOURCE;
} else {
shell_error(sh, "Unsupported dir: %s", argv[1]);
return -ENOEXEC;
}
loc_val = shell_strtoul(argv[2], 16, &err);
if (err != 0) {
shell_error(sh, "Could not parse loc_val: %d", err);
return -ENOEXEC;
}
if (loc_val > BT_AUDIO_LOCATION_ANY) {
shell_error(sh, "Invalid location: %lu", loc_val);
return -ENOEXEC;
}
loc = loc_val;
err = bt_pacs_set_location(dir, loc);
if (err) {
shell_error(ctx_shell, "Set available contexts err %d", err);
return -ENOEXEC;
}
return 0;
}
static int cmd_context(const struct shell *sh, size_t argc, char *argv[])
{
int err = 0;
enum bt_audio_dir dir;
enum bt_audio_context ctx;
unsigned long ctx_val;
if (!strcmp(argv[1], "sink")) {
dir = BT_AUDIO_DIR_SINK;
} else if (!strcmp(argv[1], "source")) {
dir = BT_AUDIO_DIR_SOURCE;
} else {
shell_error(sh, "Unsupported dir: %s", argv[1]);
return -ENOEXEC;
}
ctx_val = shell_strtoul(argv[2], 16, &err);
if (err) {
shell_error(sh, "Could not parse context: %d", err);
return err;
}
if (ctx_val == BT_AUDIO_CONTEXT_TYPE_PROHIBITED ||
ctx_val > BT_AUDIO_CONTEXT_TYPE_ANY) {
shell_error(sh, "Invalid context: %lu", ctx_val);
return -ENOEXEC;
}
ctx = ctx_val;
if (!strcmp(argv[3], "supported")) {
err = bt_pacs_set_supported_contexts(dir, ctx);
if (err) {
shell_error(ctx_shell, "Set supported contexts err %d", err);
return err;
}
} else if (!strcmp(argv[3], "available")) {
err = bt_pacs_set_available_contexts(dir, ctx);
if (err) {
shell_error(ctx_shell, "Set available contexts err %d", err);
return err;
}
} else {
shell_error(sh, "Unsupported context type: %s", argv[3]);
return -ENOEXEC;
}
return 0;
}
static int cmd_init(const struct shell *sh, size_t argc, char *argv[])
{
int err, i;
ctx_shell = sh;
if (initialized) {
shell_print(sh, "Already initialized");
return -ENOEXEC;
}
#if defined(CONFIG_BT_BAP_UNICAST_SERVER)
bt_bap_unicast_server_register_cb(&unicast_server_cb);
#endif /* CONFIG_BT_BAP_UNICAST_SERVER */
#if defined(CONFIG_BT_PAC_SNK)
bt_pacs_cap_register(BT_AUDIO_DIR_SINK, &cap_sink);
#endif /* CONFIG_BT_PAC_SNK */
#if defined(CONFIG_BT_PAC_SRC)
bt_pacs_cap_register(BT_AUDIO_DIR_SOURCE, &cap_source);
#endif /* CONFIG_BT_PAC_SNK */
if (IS_ENABLED(CONFIG_BT_PAC_SNK_LOC)) {
err = bt_pacs_set_location(BT_AUDIO_DIR_SINK, LOCATION);
__ASSERT(err == 0, "Failed to set sink location: %d", err);
err = bt_pacs_set_supported_contexts(BT_AUDIO_DIR_SINK,
CONTEXT);
__ASSERT(err == 0, "Failed to set sink supported contexts: %d",
err);
err = bt_pacs_set_available_contexts(BT_AUDIO_DIR_SINK,
CONTEXT);
__ASSERT(err == 0, "Failed to set sink available contexts: %d",
err);
}
if (IS_ENABLED(CONFIG_BT_PAC_SRC_LOC)) {
err = bt_pacs_set_location(BT_AUDIO_DIR_SOURCE, LOCATION);
__ASSERT(err == 0, "Failed to set source location: %d", err);
err = bt_pacs_set_supported_contexts(BT_AUDIO_DIR_SOURCE,
CONTEXT);
__ASSERT(err == 0, "Failed to set sink supported contexts: %d",
err);
err = bt_pacs_set_available_contexts(BT_AUDIO_DIR_SOURCE,
CONTEXT);
__ASSERT(err == 0,
"Failed to set source available contexts: %d",
err);
}
#if defined(CONFIG_BT_BAP_UNICAST)
for (i = 0; i < ARRAY_SIZE(unicast_streams); i++) {
bt_bap_stream_cb_register(bap_stream_from_shell_stream(&unicast_streams[i]),
&stream_ops);
if (IS_ENABLED(CONFIG_BT_BAP_UNICAST_CLIENT) &&
IS_ENABLED(CONFIG_BT_CAP_INITIATOR)) {
/* If we use the cap initiator, we need to register the callbacks for CAP
* as well, as CAP will override and use the BAP callbacks if doing a CAP
* procedure
*/
bt_cap_stream_ops_register(&unicast_streams[i].stream, &stream_ops);
}
}
#endif /* CONFIG_BT_BAP_UNICAST */
#if defined(CONFIG_BT_BAP_BROADCAST_SINK)
bt_bap_broadcast_sink_register_cb(&sink_cbs);
bt_le_per_adv_sync_cb_register(&bap_pa_sync_cb);
bt_le_scan_cb_register(&bap_scan_cb);
for (i = 0; i < ARRAY_SIZE(broadcast_sink_streams); i++) {
bt_bap_stream_cb_register(bap_stream_from_shell_stream(&broadcast_sink_streams[i]),
&stream_ops);
}
#endif /* CONFIG_BT_BAP_BROADCAST_SOURCE */
#if defined(CONFIG_BT_BAP_BROADCAST_SOURCE)
for (i = 0; i < ARRAY_SIZE(broadcast_source_streams); i++) {
bt_bap_stream_cb_register(
bap_stream_from_shell_stream(&broadcast_source_streams[i]), &stream_ops);
}
#endif /* CONFIG_BT_BAP_BROADCAST_SOURCE */
initialized = true;
return 0;
}
#if defined(CONFIG_BT_AUDIO_TX)
#define DATA_MTU CONFIG_BT_ISO_TX_MTU
NET_BUF_POOL_FIXED_DEFINE(tx_pool, 1, DATA_MTU, CONFIG_BT_CONN_TX_USER_DATA_SIZE, NULL);
static int cmd_send(const struct shell *sh, size_t argc, char *argv[])
{
static uint8_t data[DATA_MTU - BT_ISO_CHAN_SEND_RESERVE];
int ret, len;
struct net_buf *buf;
if (default_stream == NULL) {
shell_error(sh, "Invalid (NULL) stream");
return -ENOEXEC;
}
if (default_stream->qos == NULL) {
shell_error(sh, "NULL stream QoS");
return -ENOEXEC;
}
if (argc > 1) {
len = hex2bin(argv[1], strlen(argv[1]), data, sizeof(data));
if (len > default_stream->qos->sdu) {
shell_print(sh, "Unable to send: len %d > %u MTU",
len, default_stream->qos->sdu);
return -ENOEXEC;
}
} else {
len = MIN(default_stream->qos->sdu, sizeof(data));
memset(data, 0xff, len);
}
buf = net_buf_alloc(&tx_pool, K_FOREVER);
net_buf_reserve(buf, BT_ISO_CHAN_SEND_RESERVE);
net_buf_add_mem(buf, data, len);
ret = bt_bap_stream_send(default_stream, buf, get_next_seq_num(default_stream));
if (ret < 0) {
shell_print(sh, "Unable to send: %d", -ret);
net_buf_unref(buf);
return -ENOEXEC;
}
shell_print(sh, "Sending:");
shell_hexdump(sh, data, len);
return 0;
}
#if defined(CONFIG_LIBLC3)
static bool stream_start_sine_verify(const struct shell_stream *sh_stream)
{
const struct bt_bap_stream *bap_stream;
struct bt_bap_ep_info info;
int err;
if (sh_stream == NULL) {
return false;
}
bap_stream = &sh_stream->stream.bap_stream;
if (bap_stream->qos == NULL) {
return false;
}
err = bt_bap_ep_get_info(bap_stream->ep, &info);
if (err != 0) {
return false;
}
if (info.state != BT_BAP_EP_STATE_STREAMING) {
return false;
}
if (sh_stream->lc3_freq_hz != lc3_encoder_freq_hz ||
sh_stream->lc3_frame_duration_us != lc3_encoder_frame_duration_us) {
return false;
}
return true;
}
static int stream_start_sine(struct shell_stream *sh_stream)
{
int err;
k_work_init_delayable(&sh_stream->audio_send_work, lc3_audio_send_data);
err = k_work_schedule(&sh_stream->audio_send_work, K_NO_WAIT);
if (err < 0) {
return -ENOEXEC;
}
sh_stream->tx_active = true;
sh_stream->seq_num = get_next_seq_num(bap_stream_from_shell_stream(sh_stream));
return 0;
}
static int cmd_start_sine(const struct shell *sh, size_t argc, char *argv[])
{
bool start_all = false;
int err;
if (argc > 1) {
if (strcmp(argv[1], "all") == 0) {
start_all = true;
} else {
shell_help(sh);
return SHELL_CMD_HELP_PRINTED;
}
}
if (start_all) {
bool lc3_initialized = false;
for (size_t i = 0U; i < ARRAY_SIZE(unicast_streams); i++) {
struct shell_stream *sh_stream = &unicast_streams[i];
struct bt_bap_stream *bap_stream = bap_stream_from_shell_stream(sh_stream);
if (!lc3_initialized) {
err = init_lc3_encoder(sh_stream);
if (err != 0) {
shell_error(sh, "Failed to init LC3 %d", err);
return -ENOEXEC;
}
lc3_initialized = true;
}
if (!stream_start_sine_verify(sh_stream)) {
continue;
}
err = stream_start_sine(sh_stream);
if (err != 0) {
shell_error(sh, "Failed to start TX for stream %p: %d", bap_stream,
err);
return err;
}
shell_print(sh, "Started transmitting on unicast stream %p", bap_stream);
}
for (size_t i = 0U; i < ARRAY_SIZE(broadcast_source_streams); i++) {
struct shell_stream *sh_stream = &broadcast_source_streams[i];
struct bt_bap_stream *bap_stream = bap_stream_from_shell_stream(sh_stream);
if (!lc3_initialized) {
err = init_lc3_encoder(sh_stream);
if (err != 0) {
shell_error(sh, "Failed to init LC3 %d", err);
return -ENOEXEC;
}
lc3_initialized = true;
}
if (!stream_start_sine_verify(sh_stream)) {
continue;
}
err = stream_start_sine(sh_stream);
if (err != 0) {
shell_error(sh, "Failed to start TX for stream %p: %d", bap_stream,
err);
return err;
}
shell_print(sh, "Started transmitting on broadcast stream %p", bap_stream);
}
} else {
struct shell_stream *sh_stream = shell_stream_from_bap_stream(default_stream);
err = init_lc3_encoder(sh_stream);
if (err != 0) {
shell_error(sh, "Failed to init LC3 %d", err);
return -ENOEXEC;
}
if (!stream_start_sine_verify(sh_stream)) {
shell_error(sh, "Invalid stream %p", default_stream);
return -ENOEXEC;
}
err = stream_start_sine(sh_stream);
if (err != 0) {
shell_error(sh, "Failed to start TX for stream %p: %d", default_stream,
err);
return err;
}
shell_print(sh, "Started transmitting on default_stream %p", default_stream);
}
return 0;
}
static int cmd_stop_sine(const struct shell *sh, size_t argc, char *argv[])
{
bool stop_all = false;
if (argc > 1) {
if (strcmp(argv[1], "all") == 0) {
stop_all = true;
} else {
shell_help(sh);
return SHELL_CMD_HELP_PRINTED;
}
}
if (stop_all) {
for (size_t i = 0U; i < ARRAY_SIZE(unicast_streams); i++) {
struct bt_bap_stream *bap_stream =
bap_stream_from_shell_stream(&unicast_streams[i]);
if (unicast_streams[i].tx_active) {
clear_lc3_sine_data(bap_stream);
shell_print(sh, "Stopped transmitting on stream %p", bap_stream);
}
}
for (size_t i = 0U; i < ARRAY_SIZE(broadcast_source_streams); i++) {
struct bt_bap_stream *bap_stream =
bap_stream_from_shell_stream(&broadcast_source_streams[i]);
if (unicast_streams[i].tx_active) {
clear_lc3_sine_data(bap_stream);
shell_print(sh, "Stopped transmitting on stream %p", bap_stream);
}
}
} else {
struct shell_stream *sh_stream = shell_stream_from_bap_stream(default_stream);
if (sh_stream->tx_active) {
clear_lc3_sine_data(default_stream);
shell_print(sh, "Stopped transmitting on stream %p", default_stream);
}
}
return 0;
}
#endif /* CONFIG_LIBLC3 */
#endif /* CONFIG_BT_AUDIO_TX */
#if defined(CONFIG_BT_AUDIO_RX)
static int cmd_recv_stats(const struct shell *sh, size_t argc, char *argv[])
{
if (argc == 1) {
shell_info(sh, "Current receive stats interval: %lu", recv_stats_interval);
} else {
int err = 0;
unsigned long interval;
interval = shell_strtoul(argv[1], 0, &err);
if (err != 0) {
shell_error(sh, "Could not parse interval: %d", err);
return -ENOEXEC;
}
if (interval == 0U) {
shell_error(sh, "Interval cannot be 0");
return -ENOEXEC;
}
recv_stats_interval = interval;
}
return 0;
}
#endif /* CONFIG_BT_AUDIO_RX */
#if defined(CONFIG_BT_BAP_UNICAST_SERVER)
static void print_ase_info(struct bt_bap_ep *ep, void *user_data)
{
struct bt_bap_ep_info info;
int err;
err = bt_bap_ep_get_info(ep, &info);
if (err == 0) {
printk("ASE info: id %u state %u dir %u\n", info.id, info.state, info.dir);
}
}
static int cmd_print_ase_info(const struct shell *sh, size_t argc, char *argv[])
{
if (!default_conn) {
shell_error(sh, "Not connected");
return -ENOEXEC;
}
bt_bap_unicast_server_foreach_ep(default_conn, print_ase_info, NULL);
return 0;
}
#endif /* CONFIG_BT_BAP_UNICAST_SERVER */
/* 31 is a unit separater - without t the tab is seemingly ignored*/
#define HELP_SEP "\n\31\t"
#define HELP_CFG_DATA \
"\n[config" HELP_SEP "[freq <frequency>]" HELP_SEP "[dur <duration>]" HELP_SEP \
"[chan_alloc <location>]" HELP_SEP "[frame_len <frame length>]" HELP_SEP \
"[frame_blks <frame blocks>]]"
#define HELP_CFG_META \
"\n[meta" HELP_SEP "[pref_ctx <context>]" HELP_SEP "[stream_ctx <context>]" HELP_SEP \
"[program_info <program info>]" HELP_SEP "[stream_lang <ISO 639-3 lang>]" HELP_SEP \
"[ccid_list <ccids>]" HELP_SEP "[parental_rating <rating>]" HELP_SEP \
"[program_info_uri <URI>]" HELP_SEP "[audio_active_state <state>]" HELP_SEP \
"[bcast_flag]" HELP_SEP "[extended <meta>]" HELP_SEP "[vendor <meta>]]"
SHELL_STATIC_SUBCMD_SET_CREATE(
bap_cmds, SHELL_CMD_ARG(init, NULL, NULL, cmd_init, 1, 0),
#if defined(CONFIG_BT_BAP_BROADCAST_SOURCE)
SHELL_CMD_ARG(select_broadcast, NULL, "<stream>", cmd_select_broadcast_source, 2, 0),
SHELL_CMD_ARG(create_broadcast, NULL, "[preset <preset_name>] [enc <broadcast_code>]",
cmd_create_broadcast, 1, 2),
SHELL_CMD_ARG(start_broadcast, NULL, "", cmd_start_broadcast, 1, 0),
SHELL_CMD_ARG(stop_broadcast, NULL, "", cmd_stop_broadcast, 1, 0),
SHELL_CMD_ARG(delete_broadcast, NULL, "", cmd_delete_broadcast, 1, 0),
#endif /* CONFIG_BT_BAP_BROADCAST_SOURCE */
#if defined(CONFIG_BT_BAP_BROADCAST_SINK)
SHELL_CMD_ARG(create_broadcast_sink, NULL, "0x<broadcast_id>", cmd_create_broadcast_sink, 2,
0),
SHELL_CMD_ARG(sync_broadcast, NULL,
"0x<bis_index> [[[0x<bis_index>] 0x<bis_index>] ...] "
"[bcode <broadcast code> || bcode_str <broadcast code as string>]",
cmd_sync_broadcast, 2, ARRAY_SIZE(broadcast_sink_streams) + 1),
SHELL_CMD_ARG(stop_broadcast_sink, NULL, "Stops broadcast sink", cmd_stop_broadcast_sink, 1,
0),
SHELL_CMD_ARG(term_broadcast_sink, NULL, "", cmd_term_broadcast_sink, 1, 0),
#endif /* CONFIG_BT_BAP_BROADCAST_SINK */
#if defined(CONFIG_BT_BAP_UNICAST)
#if defined(CONFIG_BT_BAP_UNICAST_CLIENT)
SHELL_CMD_ARG(discover, NULL, "[dir: sink, source]", cmd_discover, 1, 1),
SHELL_CMD_ARG(config, NULL,
"<direction: sink, source> <index> [loc <loc_bits>] [preset <preset_name>]",
cmd_config, 3, 4),
SHELL_CMD_ARG(stream_qos, NULL, "interval [framing] [latency] [pd] [sdu] [phy] [rtn]",
cmd_stream_qos, 2, 6),
SHELL_CMD_ARG(qos, NULL, "Send QoS configure for Unicast Group", cmd_qos, 1, 0),
SHELL_CMD_ARG(enable, NULL, "[context]", cmd_enable, 1, 1),
SHELL_CMD_ARG(stop, NULL, NULL, cmd_stop, 1, 0),
SHELL_CMD_ARG(list, NULL, NULL, cmd_list, 1, 0),
#endif /* CONFIG_BT_BAP_UNICAST_CLIENT */
#if defined(CONFIG_BT_BAP_UNICAST_SERVER)
SHELL_CMD_ARG(print_ase_info, NULL, "Print ASE info for default connection",
cmd_print_ase_info, 0, 0),
#endif /* CONFIG_BT_BAP_UNICAST_SERVER */
SHELL_CMD_ARG(metadata, NULL, "[context]", cmd_metadata, 1, 1),
SHELL_CMD_ARG(start, NULL, NULL, cmd_start, 1, 0),
SHELL_CMD_ARG(disable, NULL, NULL, cmd_disable, 1, 0),
SHELL_CMD_ARG(release, NULL, NULL, cmd_release, 1, 0),
SHELL_CMD_ARG(select_unicast, NULL, "<stream>", cmd_select_unicast, 2, 0),
#endif /* CONFIG_BT_BAP_UNICAST */
#if IS_BAP_INITIATOR
SHELL_CMD_ARG(preset, NULL,
"<sink, source, broadcast> [preset] " HELP_CFG_DATA " " HELP_CFG_META,
cmd_preset, 2, 34),
#endif /* IS_BAP_INITIATOR */
#if defined(CONFIG_BT_AUDIO_TX)
SHELL_CMD_ARG(send, NULL, "Send to Audio Stream [data]", cmd_send, 1, 1),
#if defined(CONFIG_LIBLC3)
SHELL_CMD_ARG(start_sine, NULL, "Start sending a LC3 encoded sine wave [all]",
cmd_start_sine, 1, 1),
SHELL_CMD_ARG(stop_sine, NULL, "Stop sending a LC3 encoded sine wave [all]", cmd_stop_sine,
1, 1),
#endif /* CONFIG_LIBLC3 */
#endif /* CONFIG_BT_AUDIO_TX */
#if defined(CONFIG_BT_AUDIO_RX)
SHELL_CMD_ARG(recv_stats, NULL,
"Sets or gets the receive statistics reporting interval in # of packets",
cmd_recv_stats, 1, 1),
#endif /* CONFIG_BT_AUDIO_RX */
SHELL_COND_CMD_ARG(CONFIG_BT_PACS, set_location, NULL,
"<direction: sink, source> <location bitmask>", cmd_set_loc, 3, 0),
SHELL_COND_CMD_ARG(CONFIG_BT_PACS, set_context, NULL,
"<direction: sink, source>"
"<context bitmask> <type: supported, available>",
cmd_context, 4, 0),
SHELL_SUBCMD_SET_END);
static int cmd_bap(const struct shell *sh, size_t argc, char **argv)
{
if (argc > 1) {
shell_error(sh, "%s unknown parameter: %s",
argv[0], argv[1]);
} else {
shell_error(sh, "%s Missing subcommand", argv[0]);
}
return -ENOEXEC;
}
SHELL_CMD_ARG_REGISTER(bap, &bap_cmds, "Bluetooth BAP shell commands", cmd_bap, 1, 1);
static ssize_t connectable_ad_data_add(struct bt_data *data_array,
size_t data_array_size)
{
static const uint8_t ad_ext_uuid16[] = {
IF_ENABLED(CONFIG_BT_MICP_MIC_DEV, (BT_UUID_16_ENCODE(BT_UUID_MICS_VAL),))
IF_ENABLED(CONFIG_BT_ASCS, (BT_UUID_16_ENCODE(BT_UUID_ASCS_VAL),))
IF_ENABLED(CONFIG_BT_BAP_SCAN_DELEGATOR, (BT_UUID_16_ENCODE(BT_UUID_BASS_VAL),))
IF_ENABLED(CONFIG_BT_PACS, (BT_UUID_16_ENCODE(BT_UUID_PACS_VAL),))
IF_ENABLED(CONFIG_BT_GTBS, (BT_UUID_16_ENCODE(BT_UUID_GTBS_VAL),))
IF_ENABLED(CONFIG_BT_TBS, (BT_UUID_16_ENCODE(BT_UUID_TBS_VAL),))
IF_ENABLED(CONFIG_BT_VCP_VOL_REND, (BT_UUID_16_ENCODE(BT_UUID_VCS_VAL),))
IF_ENABLED(CONFIG_BT_HAS, (BT_UUID_16_ENCODE(BT_UUID_HAS_VAL),)) /* Shall be last */
};
size_t ad_len = 0;
if (IS_ENABLED(CONFIG_BT_ASCS)) {
static uint8_t ad_bap_announcement[8] = {
BT_UUID_16_ENCODE(BT_UUID_ASCS_VAL),
BT_AUDIO_UNICAST_ANNOUNCEMENT_TARGETED,
};
enum bt_audio_context snk_context, src_context;
snk_context = bt_pacs_get_available_contexts(BT_AUDIO_DIR_SINK);
sys_put_le16(snk_context, &ad_bap_announcement[3]);
src_context = bt_pacs_get_available_contexts(BT_AUDIO_DIR_SOURCE);
sys_put_le16(snk_context, &ad_bap_announcement[5]);
/* Metadata length */
ad_bap_announcement[7] = 0x00;
__ASSERT(data_array_size > ad_len, "No space for AD_BAP_ANNOUNCEMENT");
data_array[ad_len].type = BT_DATA_SVC_DATA16;
data_array[ad_len].data_len = ARRAY_SIZE(ad_bap_announcement);
data_array[ad_len].data = &ad_bap_announcement[0];
ad_len++;
}
if (IS_ENABLED(CONFIG_BT_CAP_ACCEPTOR)) {
ad_len += cap_acceptor_ad_data_add(&data_array[ad_len], data_array_size - ad_len,
true);
}
if (IS_ENABLED(CONFIG_BT_GMAP)) {
ad_len += gmap_ad_data_add(&data_array[ad_len], data_array_size - ad_len);
}
if (ARRAY_SIZE(ad_ext_uuid16) > 0) {
size_t uuid16_size;
if (data_array_size <= ad_len) {
shell_warn(ctx_shell, "No space for AD_UUID16");
return ad_len;
}
data_array[ad_len].type = BT_DATA_UUID16_SOME;
if (IS_ENABLED(CONFIG_BT_HAS) && IS_ENABLED(CONFIG_BT_PRIVACY)) {
/* If the HA is in one of the GAP connectable modes and is using a
* resolvable private address, the HA shall not include the Hearing Access
* Service UUID in the Service UUID AD type field of the advertising data
* or scan response.
*/
uuid16_size = ARRAY_SIZE(ad_ext_uuid16) - BT_UUID_SIZE_16;
} else {
uuid16_size = ARRAY_SIZE(ad_ext_uuid16);
}
/* We can maximum advertise 127 16-bit UUIDs = 254 octets */
data_array[ad_len].data_len = MIN(uuid16_size, 254);
data_array[ad_len].data = &ad_ext_uuid16[0];
ad_len++;
}
return ad_len;
}
static ssize_t nonconnectable_ad_data_add(struct bt_data *data_array,
const size_t data_array_size)
{
static const uint8_t ad_ext_uuid16[] = {
IF_ENABLED(CONFIG_BT_PACS, (BT_UUID_16_ENCODE(BT_UUID_PACS_VAL),))
IF_ENABLED(CONFIG_BT_CAP_ACCEPTOR, (BT_UUID_16_ENCODE(BT_UUID_CAS_VAL),))
};
size_t ad_len = 0;
if (IS_ENABLED(CONFIG_BT_CAP_ACCEPTOR)) {
static const uint8_t ad_cap_announcement[3] = {
BT_UUID_16_ENCODE(BT_UUID_CAS_VAL),
BT_AUDIO_UNICAST_ANNOUNCEMENT_TARGETED,
};
__ASSERT(data_array_size > ad_len, "No space for AD_CAP_ANNOUNCEMENT");
data_array[ad_len].type = BT_DATA_SVC_DATA16;
data_array[ad_len].data_len = ARRAY_SIZE(ad_cap_announcement);
data_array[ad_len].data = &ad_cap_announcement[0];
ad_len++;
}
#if defined(CONFIG_BT_BAP_BROADCAST_SOURCE)
if (default_source.bap_source != NULL && !default_source.is_cap) {
static uint8_t ad_bap_broadcast_announcement[5] = {
BT_UUID_16_ENCODE(BT_UUID_BROADCAST_AUDIO_VAL),
};
uint32_t broadcast_id;
int err;
err = bt_bap_broadcast_source_get_id(default_source.bap_source, &broadcast_id);
if (err != 0) {
printk("Unable to get broadcast ID: %d\n", err);
return -1;
}
sys_put_le24(broadcast_id, &ad_bap_broadcast_announcement[2]);
data_array[ad_len].type = BT_DATA_SVC_DATA16;
data_array[ad_len].data_len = ARRAY_SIZE(ad_bap_broadcast_announcement);
data_array[ad_len].data = ad_bap_broadcast_announcement;
ad_len++;
}
#endif /* CONFIG_BT_BAP_BROADCAST_SOURCE */
if (ARRAY_SIZE(ad_ext_uuid16) > 0) {
if (data_array_size <= ad_len) {
shell_warn(ctx_shell, "No space for AD_UUID16");
return ad_len;
}
data_array[ad_len].type = BT_DATA_UUID16_SOME;
data_array[ad_len].data_len = ARRAY_SIZE(ad_ext_uuid16);
data_array[ad_len].data = &ad_ext_uuid16[0];
ad_len++;
}
return ad_len;
}
ssize_t audio_ad_data_add(struct bt_data *data_array, const size_t data_array_size,
const bool discoverable, const bool connectable)
{
ssize_t ad_len = 0;
if (!discoverable) {
return 0;
}
if (connectable) {
ad_len += connectable_ad_data_add(data_array, data_array_size);
} else {
ad_len += nonconnectable_ad_data_add(data_array, data_array_size);
}
if (IS_ENABLED(CONFIG_BT_CAP_INITIATOR)) {
ad_len += cap_initiator_ad_data_add(data_array, data_array_size, discoverable,
connectable);
}
return ad_len;
}
ssize_t audio_pa_data_add(struct bt_data *data_array,
const size_t data_array_size)
{
size_t ad_len = 0;
#if defined(CONFIG_BT_BAP_BROADCAST_SOURCE)
if (default_source.bap_source != NULL && !default_source.is_cap) {
/* Required size of the buffer depends on what has been
* configured. We just use the maximum size possible.
*/
NET_BUF_SIMPLE_DEFINE_STATIC(base_buf, UINT8_MAX);
int err;
err = bt_bap_broadcast_source_get_base(default_source.bap_source, &base_buf);
if (err != 0) {
printk("Unable to get BASE: %d\n", err);
return -1;
}
data_array[ad_len].type = BT_DATA_SVC_DATA16;
data_array[ad_len].data_len = base_buf.len;
data_array[ad_len].data = base_buf.data;
ad_len++;
} else if (IS_ENABLED(CONFIG_BT_CAP_INITIATOR)) {
return cap_initiator_pa_data_add(data_array, data_array_size);
}
#endif /* CONFIG_BT_BAP_BROADCAST_SOURCE */
return ad_len;
}