blob: 0a7341b09baa503f63f8be9f9bd6c26a2b03085b [file] [log] [blame]
/** @file
* @brief Bluetooth Basic Audio Profile shell
*
*/
/*
* Copyright (c) 2020 Intel Corporation
* Copyright (c) 2022 Nordic Semiconductor ASA
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <stdlib.h>
#include <stdio.h>
#include <ctype.h>
#include <zephyr/zephyr.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/capabilities.h>
#include "bt.h"
#if defined(CONFIG_BT_AUDIO_UNICAST)
#define MAX_PAC 2
static struct bt_audio_stream streams[MAX_PAC];
#if defined(CONFIG_BT_AUDIO_UNICAST_CLIENT)
static struct bt_audio_unicast_group *default_unicast_group;
static struct bt_codec *rcodecs[2][CONFIG_BT_AUDIO_UNICAST_CLIENT_PAC_COUNT];
static struct bt_audio_ep *snks[CONFIG_BT_AUDIO_UNICAST_CLIENT_ASE_SNK_COUNT];
static struct bt_audio_ep *srcs[CONFIG_BT_AUDIO_UNICAST_CLIENT_ASE_SNK_COUNT];
#endif /* CONFIG_BT_AUDIO_UNICAST_CLIENT */
#endif /* CONFIG_BT_AUDIO_UNICAST */
#if defined(CONFIG_BT_AUDIO_BROADCAST_SOURCE)
static struct bt_audio_stream broadcast_source_streams[CONFIG_BT_AUDIO_BROADCAST_SRC_STREAM_COUNT];
static struct bt_audio_broadcast_source *default_source;
#endif /* CONFIG_BT_AUDIO_BROADCAST_SOURCE */
#if defined(CONFIG_BT_AUDIO_BROADCAST_SINK)
static struct bt_audio_stream broadcast_sink_streams[BROADCAST_SNK_STREAM_CNT];
static struct bt_audio_broadcast_sink *default_sink;
#endif /* CONFIG_BT_AUDIO_BROADCAST_SINK */
static struct bt_audio_stream *default_stream;
static bool connecting;
struct named_lc3_preset {
const char *name;
struct bt_audio_lc3_preset preset;
};
static struct named_lc3_preset lc3_unicast_presets[] = {
{"8_1_1", BT_AUDIO_LC3_UNICAST_PRESET_8_1_1},
{"8_2_1", BT_AUDIO_LC3_UNICAST_PRESET_8_2_1},
{"16_1_1", BT_AUDIO_LC3_UNICAST_PRESET_16_1_1},
{"16_2_1", BT_AUDIO_LC3_UNICAST_PRESET_16_2_1},
{"24_1_1", BT_AUDIO_LC3_UNICAST_PRESET_24_1_1},
{"24_2_1", BT_AUDIO_LC3_UNICAST_PRESET_24_2_1},
{"32_1_1", BT_AUDIO_LC3_UNICAST_PRESET_32_1_1},
{"32_2_1", BT_AUDIO_LC3_UNICAST_PRESET_32_2_1},
{"441_1_1", BT_AUDIO_LC3_UNICAST_PRESET_441_1_1},
{"441_2_1", BT_AUDIO_LC3_UNICAST_PRESET_441_2_1},
{"48_1_1", BT_AUDIO_LC3_UNICAST_PRESET_48_1_1},
{"48_2_1", BT_AUDIO_LC3_UNICAST_PRESET_48_2_1},
{"48_3_1", BT_AUDIO_LC3_UNICAST_PRESET_48_3_1},
{"48_4_1", BT_AUDIO_LC3_UNICAST_PRESET_48_4_1},
{"48_5_1", BT_AUDIO_LC3_UNICAST_PRESET_48_5_1},
{"48_6_1", BT_AUDIO_LC3_UNICAST_PRESET_48_6_1},
/* High-reliability presets */
{"8_1_2", BT_AUDIO_LC3_UNICAST_PRESET_8_1_2},
{"8_2_2", BT_AUDIO_LC3_UNICAST_PRESET_8_2_2},
{"16_1_2", BT_AUDIO_LC3_UNICAST_PRESET_16_1_2},
{"16_2_2", BT_AUDIO_LC3_UNICAST_PRESET_16_2_2},
{"24_1_2", BT_AUDIO_LC3_UNICAST_PRESET_24_1_2},
{"24_2_2", BT_AUDIO_LC3_UNICAST_PRESET_24_2_2},
{"32_1_2", BT_AUDIO_LC3_UNICAST_PRESET_32_1_2},
{"32_2_2", BT_AUDIO_LC3_UNICAST_PRESET_32_2_2},
{"441_1_2", BT_AUDIO_LC3_UNICAST_PRESET_441_1_2},
{"441_2_2", BT_AUDIO_LC3_UNICAST_PRESET_441_2_2},
{"48_1_2", BT_AUDIO_LC3_UNICAST_PRESET_48_1_2},
{"48_2_2", BT_AUDIO_LC3_UNICAST_PRESET_48_2_2},
{"48_3_2", BT_AUDIO_LC3_UNICAST_PRESET_48_3_2},
{"48_4_2", BT_AUDIO_LC3_UNICAST_PRESET_48_4_2},
{"48_5_2", BT_AUDIO_LC3_UNICAST_PRESET_48_5_2},
{"48_6_2", BT_AUDIO_LC3_UNICAST_PRESET_48_6_2},
};
static struct named_lc3_preset lc3_broadcast_presets[] = {
{"8_1_1", BT_AUDIO_LC3_BROADCAST_PRESET_8_1_1},
{"8_2_1", BT_AUDIO_LC3_BROADCAST_PRESET_8_2_1},
{"16_1_1", BT_AUDIO_LC3_BROADCAST_PRESET_16_1_1},
{"16_2_1", BT_AUDIO_LC3_BROADCAST_PRESET_16_2_1},
{"24_1_1", BT_AUDIO_LC3_BROADCAST_PRESET_24_1_1},
{"24_2_1", BT_AUDIO_LC3_BROADCAST_PRESET_24_2_1},
{"32_1_1", BT_AUDIO_LC3_BROADCAST_PRESET_32_1_1},
{"32_2_1", BT_AUDIO_LC3_BROADCAST_PRESET_32_2_1},
{"441_1_1", BT_AUDIO_LC3_BROADCAST_PRESET_441_1_1},
{"441_2_1", BT_AUDIO_LC3_BROADCAST_PRESET_441_2_1},
{"48_1_1", BT_AUDIO_LC3_BROADCAST_PRESET_48_1_1},
{"48_2_1", BT_AUDIO_LC3_BROADCAST_PRESET_48_2_1},
{"48_3_1", BT_AUDIO_LC3_BROADCAST_PRESET_48_3_1},
{"48_4_1", BT_AUDIO_LC3_BROADCAST_PRESET_48_4_1},
{"48_5_1", BT_AUDIO_LC3_BROADCAST_PRESET_48_5_1},
{"48_6_1", BT_AUDIO_LC3_BROADCAST_PRESET_48_6_1},
/* High-reliability presets */
{"8_1_2", BT_AUDIO_LC3_BROADCAST_PRESET_8_1_2},
{"8_2_2", BT_AUDIO_LC3_BROADCAST_PRESET_8_2_2},
{"16_1_2", BT_AUDIO_LC3_BROADCAST_PRESET_16_1_2},
{"16_2_2", BT_AUDIO_LC3_BROADCAST_PRESET_16_2_2},
{"24_1_2", BT_AUDIO_LC3_BROADCAST_PRESET_24_1_2},
{"24_2_2", BT_AUDIO_LC3_BROADCAST_PRESET_24_2_2},
{"32_1_2", BT_AUDIO_LC3_BROADCAST_PRESET_32_1_2},
{"32_2_2", BT_AUDIO_LC3_BROADCAST_PRESET_32_2_2},
{"441_1_2", BT_AUDIO_LC3_BROADCAST_PRESET_441_1_2},
{"441_2_2", BT_AUDIO_LC3_BROADCAST_PRESET_441_2_2},
{"48_1_2", BT_AUDIO_LC3_BROADCAST_PRESET_48_1_2},
{"48_2_2", BT_AUDIO_LC3_BROADCAST_PRESET_48_2_2},
{"48_3_2", BT_AUDIO_LC3_BROADCAST_PRESET_48_3_2},
{"48_4_2", BT_AUDIO_LC3_BROADCAST_PRESET_48_4_2},
{"48_5_2", BT_AUDIO_LC3_BROADCAST_PRESET_48_5_2},
{"48_6_2", BT_AUDIO_LC3_BROADCAST_PRESET_48_6_2},
};
/* Default to 16_2_1 */
static struct named_lc3_preset *default_preset = &lc3_unicast_presets[3];
static void print_codec(const struct bt_codec *codec)
{
int i;
shell_print(ctx_shell, "codec 0x%02x cid 0x%04x vid 0x%04x count %u",
codec->id, codec->cid, codec->vid, codec->data_count);
for (i = 0; i < codec->data_count; i++) {
shell_print(ctx_shell, "data #%u: type 0x%02x len %u", i,
codec->data[i].data.type,
codec->data[i].data.data_len);
shell_hexdump(ctx_shell, codec->data[i].data.data,
codec->data[i].data.data_len -
sizeof(codec->data[i].data.type));
}
for (i = 0; i < codec->meta_count; i++) {
shell_print(ctx_shell, "meta #%u: type 0x%02x len %u", i,
codec->meta[i].data.type,
codec->meta[i].data.data_len);
shell_hexdump(ctx_shell, codec->meta[i].data.data,
codec->data[i].data.data_len -
sizeof(codec->meta[i].data.type));
}
}
static struct named_lc3_preset *set_preset(bool is_unicast, size_t argc,
char **argv)
{
static struct named_lc3_preset named_preset;
int i;
if (is_unicast) {
for (i = 0; i < ARRAY_SIZE(lc3_unicast_presets); i++) {
if (!strcmp(argv[0], lc3_unicast_presets[i].name)) {
default_preset = &lc3_unicast_presets[i];
break;
}
}
if (i == ARRAY_SIZE(lc3_unicast_presets)) {
return NULL;
}
} else {
for (i = 0; i < ARRAY_SIZE(lc3_broadcast_presets); i++) {
if (!strcmp(argv[0], lc3_broadcast_presets[i].name)) {
default_preset = &lc3_broadcast_presets[i];
break;
}
}
if (i == ARRAY_SIZE(lc3_broadcast_presets)) {
return NULL;
}
}
if (argc == 1) {
return default_preset;
}
named_preset = *default_preset;
default_preset = &named_preset;
if (argc > 1) {
named_preset.preset.qos.interval = strtol(argv[1], NULL, 0);
}
if (argc > 2) {
named_preset.preset.qos.framing = strtol(argv[2], NULL, 0);
}
if (argc > 3) {
named_preset.preset.qos.latency = strtol(argv[3], NULL, 0);
}
if (argc > 4) {
named_preset.preset.qos.pd = strtol(argv[4], NULL, 0);
}
if (argc > 5) {
named_preset.preset.qos.sdu = strtol(argv[5], NULL, 0);
}
if (argc > 6) {
named_preset.preset.qos.phy = strtol(argv[6], NULL, 0);
}
if (argc > 7) {
named_preset.preset.qos.rtn = strtol(argv[7], NULL, 0);
}
return default_preset;
}
static void set_stream(struct bt_audio_stream *stream)
{
int i;
default_stream = stream;
for (i = 0; i < ARRAY_SIZE(streams); i++) {
if (stream == &streams[i]) {
shell_print(ctx_shell, "Default stream: %u", i + 1);
}
}
}
#if defined(CONFIG_BT_AUDIO_UNICAST)
static void print_qos(struct bt_codec_qos *qos)
{
shell_print(ctx_shell, "QoS: interval %u framing 0x%02x "
"phy 0x%02x sdu %u rtn %u latency %u pd %u",
qos->interval, qos->framing, qos->phy, qos->sdu,
qos->rtn, qos->latency, qos->pd);
}
static int cmd_select_unicast(const struct shell *sh, size_t argc, char *argv[])
{
struct bt_audio_stream *stream;
uint8_t index;
index = strtol(argv[1], NULL, 0);
if (index < 0 || index > ARRAY_SIZE(streams)) {
shell_error(sh, "Invalid index: %d", index);
return -ENOEXEC;
}
stream = &streams[index];
if (stream->conn == NULL) {
shell_error(sh, "Invalid index");
return -ENOEXEC;
}
set_stream(stream);
return 0;
}
static struct bt_audio_stream *lc3_config(struct bt_conn *conn,
struct bt_audio_ep *ep,
enum bt_audio_dir dir,
struct bt_audio_capability *cap,
struct bt_codec *codec)
{
int i;
shell_print(ctx_shell, "ASE Codec Config: conn %p ep %p dir %u, cap %p",
conn, ep, dir, cap);
print_codec(codec);
for (i = 0; i < ARRAY_SIZE(streams); i++) {
struct bt_audio_stream *stream = &streams[i];
if (stream->conn == NULL) {
shell_print(ctx_shell, "ASE Codec Config stream %p",
stream);
set_stream(stream);
return stream;
}
}
shell_print(ctx_shell, "No streams available");
return NULL;
}
static int lc3_reconfig(struct bt_audio_stream *stream,
struct bt_audio_capability *cap,
struct bt_codec *codec)
{
shell_print(ctx_shell, "ASE Codec Reconfig: stream %p cap %p", stream, cap);
print_codec(codec);
if (default_stream == NULL) {
set_stream(stream);
}
#if defined(CONFIG_BT_AUDIO_UNICAST_CLIENT)
if (connecting) {
int err;
if (default_unicast_group == NULL) {
err = bt_audio_unicast_group_create(&default_stream, 1,
&default_unicast_group);
if (err != 0) {
shell_error(ctx_shell,
"Unable to create default unicast group: %d",
err);
connecting = false;
return -ENOEXEC;
}
}
err = bt_audio_stream_qos(default_conn, default_unicast_group,
&default_preset->preset.qos);
if (err) {
shell_error(ctx_shell, "Unable to setup QoS");
connecting = false;
return -ENOEXEC;
}
}
#endif /* CONFIG_BT_AUDIO_UNICAST_CLIENT */
return 0;
}
static int lc3_qos(struct bt_audio_stream *stream, struct bt_codec_qos *qos)
{
shell_print(ctx_shell, "QoS: stream %p %p", stream, qos);
print_qos(qos);
#if defined(CONFIG_BT_AUDIO_UNICAST_CLIENT)
if (connecting) {
int err;
connecting = false;
err = bt_audio_stream_enable(stream,
default_preset->preset.codec.meta,
default_preset->preset.codec.meta_count);
if (err) {
shell_error(ctx_shell, "Unable to enable Channel");
return -ENOEXEC;
}
}
#endif /* CONFIG_BT_AUDIO_UNICAST_CLIENT */
return 0;
}
static int lc3_enable(struct bt_audio_stream *stream,
struct bt_codec_data *meta,
size_t meta_count)
{
shell_print(ctx_shell, "Enable: stream %p meta_count %zu", stream,
meta_count);
return 0;
}
static int lc3_start(struct bt_audio_stream *stream)
{
shell_print(ctx_shell, "Start: stream %p", stream);
return 0;
}
static int lc3_metadata(struct bt_audio_stream *stream,
struct bt_codec_data *meta,
size_t meta_count)
{
shell_print(ctx_shell, "Metadata: stream %p meta_count %zu", stream,
meta_count);
return 0;
}
static int lc3_disable(struct bt_audio_stream *stream)
{
shell_print(ctx_shell, "Disable: stream %p", stream);
return 0;
}
static int lc3_stop(struct bt_audio_stream *stream)
{
shell_print(ctx_shell, "Stop: stream %p", stream);
return 0;
}
static int lc3_release(struct bt_audio_stream *stream)
{
shell_print(ctx_shell, "Release: stream %p", stream);
if (stream == default_stream) {
default_stream = NULL;
}
connecting = false;
return 0;
}
static struct bt_codec lc3_codec = BT_CODEC_LC3(BT_CODEC_LC3_FREQ_ANY,
BT_CODEC_LC3_DURATION_ANY,
BT_CODEC_LC3_CHAN_COUNT_SUPPORT(1, 2), 30, 240, 2,
(BT_AUDIO_CONTEXT_TYPE_CONVERSATIONAL |
BT_AUDIO_CONTEXT_TYPE_MEDIA),
BT_AUDIO_CONTEXT_TYPE_ANY);
static struct bt_audio_capability_ops lc3_ops = {
.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,
};
static struct bt_audio_capability caps[MAX_PAC] = {
{
.dir = BT_AUDIO_DIR_SOURCE,
.pref = BT_AUDIO_CAPABILITY_PREF(
BT_AUDIO_CAPABILITY_UNFRAMED_SUPPORTED,
BT_GAP_LE_PHY_2M, 0u, 60u, 20000u, 40000u,
20000u, 40000u),
.codec = &lc3_codec,
.ops = &lc3_ops,
},
{
.dir = BT_AUDIO_DIR_SINK,
.pref = BT_AUDIO_CAPABILITY_PREF(
BT_AUDIO_CAPABILITY_UNFRAMED_SUPPORTED,
BT_GAP_LE_PHY_2M, 0u, 60u, 20000u, 40000u,
20000u, 40000u),
.codec = &lc3_codec,
.ops = &lc3_ops,
},
};
#endif /* CONFIG_BT_AUDIO_UNICAST */
#if defined(CONFIG_BT_AUDIO_UNICAST_CLIENT)
static uint8_t stream_dir(const struct bt_audio_stream *stream)
{
for (size_t i = 0; i < ARRAY_SIZE(snks); i++) {
if (snks[i] != NULL && stream->ep == snks[i]) {
return BT_AUDIO_DIR_SINK;
}
}
for (size_t i = 0; i < ARRAY_SIZE(srcs); i++) {
if (srcs[i] != NULL && stream->ep == srcs[i]) {
return BT_AUDIO_DIR_SOURCE;
}
}
__ASSERT(false, "Invalid stream");
return 0;
}
static void add_codec(struct bt_codec *codec, uint8_t index, enum bt_audio_dir dir)
{
shell_print(ctx_shell, "#%u: codec %p dir 0x%02x", index, codec, dir);
print_codec(codec);
if (dir != BT_AUDIO_DIR_SINK && dir != BT_AUDIO_DIR_SOURCE) {
return;
}
if (index < CONFIG_BT_AUDIO_UNICAST_CLIENT_PAC_COUNT) {
rcodecs[dir - 1][index] = codec;
}
}
static void add_sink(struct bt_audio_ep *ep, uint8_t index)
{
shell_print(ctx_shell, "Sink #%u: ep %p", index, ep);
snks[index] = ep;
}
static void add_source(struct bt_audio_ep *ep, uint8_t index)
{
shell_print(ctx_shell, "Source #%u: ep %p", index, ep);
srcs[index] = ep;
}
static void discover_cb(struct bt_conn *conn, struct bt_codec *codec,
struct bt_audio_ep *ep,
struct bt_audio_discover_params *params)
{
if (codec != NULL) {
add_codec(codec, params->num_caps, params->dir);
return;
}
if (ep) {
if (params->dir == BT_AUDIO_DIR_SINK) {
add_sink(ep, params->num_eps);
} else if (params->dir == BT_AUDIO_DIR_SOURCE) {
add_source(ep, params->num_eps);
}
return;
}
shell_print(ctx_shell, "Discover complete: err %d", params->err);
memset(params, 0, sizeof(*params));
}
static void discover_all(struct bt_conn *conn, struct bt_codec *codec,
struct bt_audio_ep *ep,
struct bt_audio_discover_params *params)
{
if (codec != NULL) {
add_codec(codec, params->num_caps, params->dir);
return;
}
if (ep) {
if (params->dir == BT_AUDIO_DIR_SINK) {
add_sink(ep, params->num_eps);
} else if (params->dir == BT_AUDIO_DIR_SOURCE) {
add_source(ep, params->num_eps);
}
return;
}
/* Sinks discovery complete, now discover sources */
if (params->dir == BT_AUDIO_DIR_SINK) {
int err;
params->func = discover_cb;
params->dir = BT_AUDIO_DIR_SOURCE;
err = bt_audio_discover(default_conn, params);
if (err) {
shell_error(ctx_shell, "bt_audio_discover err %d", err);
discover_cb(conn, NULL, NULL, params);
}
}
}
static int cmd_discover(const struct shell *sh, size_t argc, char *argv[])
{
static struct bt_audio_discover_params params;
if (!default_conn) {
shell_error(sh, "Not connected");
return -ENOEXEC;
}
if (params.func) {
shell_error(sh, "Discover in progress");
return -ENOEXEC;
}
params.func = discover_all;
params.dir = BT_AUDIO_DIR_SINK;
if (argc > 1) {
if (!strcmp(argv[1], "sink")) {
params.func = discover_cb;
} else if (!strcmp(argv[1], "source")) {
params.func = discover_cb;
params.dir = BT_AUDIO_DIR_SOURCE;
} else {
shell_error(sh, "Unsupported dir: %s", argv[1]);
return -ENOEXEC;
}
}
return bt_audio_discover(default_conn, &params);
}
static int cmd_preset(const struct shell *sh, size_t argc, char *argv[])
{
struct named_lc3_preset *named_preset;
named_preset = default_preset;
if (argc > 1) {
named_preset = set_preset(true, argc - 1, argv + 1);
if (named_preset == NULL) {
shell_error(sh, "Unable to parse named_preset %s",
argv[1]);
return -ENOEXEC;
}
}
shell_print(sh, "%s", named_preset->name);
print_codec(&named_preset->preset.codec);
print_qos(&named_preset->preset.qos);
return 0;
}
static int cmd_config(const struct shell *sh, size_t argc, char *argv[])
{
int32_t index, dir;
struct bt_audio_ep *ep = NULL;
struct named_lc3_preset *named_preset;
if (!default_conn) {
shell_error(sh, "Not connected");
return -ENOEXEC;
}
index = strtol(argv[2], NULL, 0);
if (index < 0) {
shell_error(sh, "Invalid index");
return -ENOEXEC;
}
if (!strcmp(argv[1], "sink")) {
dir = BT_AUDIO_DIR_SINK;
ep = snks[index];
} else if (!strcmp(argv[1], "source")) {
dir = BT_AUDIO_DIR_SOURCE;
ep = srcs[index];
} else {
shell_error(sh, "Unsupported dir: %s", argv[1]);
return -ENOEXEC;
}
if (!ep) {
shell_error(sh, "Unable to find endpoint");
return -ENOEXEC;
}
named_preset = default_preset;
if (argc > 3) {
named_preset = set_preset(true, 1, argv + 3);
if (named_preset == NULL) {
shell_error(sh, "Unable to parse named_preset %s",
argv[4]);
return -ENOEXEC;
}
}
if (default_stream && default_stream->ep == ep) {
if (bt_audio_stream_reconfig(default_stream,
&named_preset->preset.codec) < 0) {
shell_error(sh, "Unable reconfig stream");
return -ENOEXEC;
}
} else {
struct bt_audio_stream *stream;
int err;
if (default_stream == NULL) {
stream = &streams[0];
} else {
stream = default_stream;
}
err = bt_audio_stream_config(default_conn, stream, ep,
&named_preset->preset.codec);
if (err != 0) {
shell_error(sh, "Unable to config stream: %d", err);
return err;
}
default_stream = stream;
}
shell_print(sh, "ASE config: preset %s", named_preset->name);
return 0;
}
static int cmd_release(const struct shell *sh, size_t argc, char *argv[])
{
int err;
if (default_stream == NULL) {
shell_print(sh, "Not connected");
return -ENOEXEC;
}
err = bt_audio_stream_release(default_stream, false);
if (err) {
shell_error(sh, "Unable to release Channel");
return -ENOEXEC;
}
return 0;
}
static int cmd_qos(const struct shell *sh, size_t argc, char *argv[])
{
int err;
struct named_lc3_preset *named_preset = NULL;
if (default_stream == NULL) {
shell_print(sh, "Not connected");
return -ENOEXEC;
}
named_preset = default_preset;
if (argc > 1) {
named_preset = set_preset(true, argc - 1, argv + 1);
if (named_preset == NULL) {
shell_error(sh, "Unable to parse named_preset %s",
argv[1]);
return -ENOEXEC;
}
}
if (default_unicast_group == NULL) {
err = bt_audio_unicast_group_create(&default_stream, 1, &default_unicast_group);
if (err != 0) {
shell_error(sh, "Unable to create default unicast group: %d", err);
return -ENOEXEC;
}
}
err = bt_audio_stream_qos(default_conn, default_unicast_group,
&named_preset->preset.qos);
if (err) {
shell_error(sh, "Unable to setup QoS");
return -ENOEXEC;
}
shell_print(sh, "ASE config: preset %s", named_preset->name);
return 0;
}
static int cmd_enable(const struct shell *sh, size_t argc, char *argv[])
{
int err;
if (default_stream == NULL) {
shell_error(sh, "Not connected");
return -ENOEXEC;
}
err = bt_audio_stream_enable(default_stream,
default_preset->preset.codec.meta,
default_preset->preset.codec.meta_count);
if (err) {
shell_error(sh, "Unable to enable Channel");
return -ENOEXEC;
}
return 0;
}
#define MAX_META_DATA \
(CONFIG_BT_CODEC_MAX_METADATA_COUNT * sizeof(struct bt_codec_data))
static uint16_t strmeta(const char *name)
{
if (!strcmp(name, "Unspecified")) {
return BT_AUDIO_CONTEXT_TYPE_UNSPECIFIED;
} else if (!strcmp(name, "Conversational")) {
return BT_AUDIO_CONTEXT_TYPE_CONVERSATIONAL;
} else if (!strcmp(name, "Media")) {
return BT_AUDIO_CONTEXT_TYPE_MEDIA;
} else if (!strcmp(name, "Game")) {
return BT_AUDIO_CONTEXT_TYPE_GAME;
} else if (!strcmp(name, "Instructional")) {
return BT_AUDIO_CONTEXT_TYPE_INSTRUCTIONAL;
} else if (!strcmp(name, "VoiceAssistants")) {
return BT_AUDIO_CONTEXT_TYPE_VOICE_ASSISTANTS;
} else if (!strcmp(name, "Live")) {
return BT_AUDIO_CONTEXT_TYPE_LIVE;
} else if (!strcmp(name, "SoundEffects")) {
return BT_AUDIO_CONTEXT_TYPE_SOUND_EFFECTS;
} else if (!strcmp(name, "Notifications")) {
return BT_AUDIO_CONTEXT_TYPE_NOTIFICATIONS;
} else if (!strcmp(name, "Ringtone")) {
return BT_AUDIO_CONTEXT_TYPE_RINGTONE;
} else if (!strcmp(name, "Alerts")) {
return BT_AUDIO_CONTEXT_TYPE_ALERTS;
} else if (!strcmp(name, "EmergencyAlarm")) {
return BT_AUDIO_CONTEXT_TYPE_EMERGENCY_ALARM;
}
return 0u;
}
static int cmd_metadata(const struct shell *sh, size_t argc, char *argv[])
{
int err;
if (default_stream == NULL) {
shell_error(sh, "Not connected");
return -ENOEXEC;
}
if (argc > 1) {
uint16_t context;
context = strmeta(argv[1]);
if (context == 0) {
shell_error(sh, "Invalid context");
return -ENOEXEC;
}
sys_put_le16(context,
default_preset->preset.codec.meta[0].value);
}
err = bt_audio_stream_metadata(default_stream,
default_preset->preset.codec.meta,
default_preset->preset.codec.meta_count);
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, "Not connected");
return -ENOEXEC;
}
err = bt_audio_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, "Not connected");
return -ENOEXEC;
}
err = bt_audio_stream_disable(default_stream);
if (err) {
shell_error(sh, "Unable to disable 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, "Not connected");
return -ENOEXEC;
}
err = bt_audio_stream_stop(default_stream);
if (err) {
shell_error(sh, "Unable to start Channel");
return -ENOEXEC;
}
return 0;
}
static int cmd_list(const struct shell *sh, size_t argc, char *argv[])
{
int i;
shell_print(sh, "Configured Channels:");
for (i = 0; i < ARRAY_SIZE(streams); i++) {
struct bt_audio_stream *stream = &streams[i];
if (stream->conn) {
shell_print(sh, " %s#%u: stream %p dir 0x%02x group %p",
stream == default_stream ? "*" : " ", i, stream,
stream_dir(stream), stream->group);
}
}
shell_print(sh, "Sinks:");
for (i = 0; i < ARRAY_SIZE(snks); i++) {
struct bt_audio_ep *ep = snks[i];
if (ep) {
shell_print(sh, " #%u: ep %p", i, ep);
}
}
shell_print(sh, "Sources:");
for (i = 0; i < ARRAY_SIZE(snks); i++) {
struct bt_audio_ep *ep = srcs[i];
if (ep) {
shell_print(sh, " #%u: ep %p", i, ep);
}
}
return 0;
}
static int cmd_connect(const struct shell *sh, size_t argc, char *argv[])
{
int err;
err = cmd_config(sh, argc, argv);
if (err) {
return err;
}
connecting = true;
return 0;
}
#endif /* CONFIG_BT_AUDIO_UNICAST_CLIENT */
#if defined(CONFIG_BT_AUDIO_BROADCAST_SINK)
static uint32_t accepted_broadcast_id;
static struct bt_audio_base received_base;
static bool sink_syncable;
static bool scan_recv(const struct bt_le_scan_recv_info *info,
uint32_t broadcast_id)
{
shell_print(ctx_shell, "Found broadcaster with ID 0x%06X",
broadcast_id);
if (broadcast_id == accepted_broadcast_id) {
shell_print(ctx_shell, "PA syncing to broadcaster");
accepted_broadcast_id = 0;
return true;
}
return false;
}
static void pa_synced(struct bt_audio_broadcast_sink *sink,
struct bt_le_per_adv_sync *sync,
uint32_t broadcast_id)
{
shell_print(ctx_shell,
"PA synced to broadcaster with ID 0x%06X as sink %p",
broadcast_id, sink);
if (default_sink == NULL) {
default_sink = sink;
shell_print(ctx_shell, "Sink %p is set as default", sink);
}
}
static void base_recv(struct bt_audio_broadcast_sink *sink,
const struct bt_audio_base *base)
{
uint8_t bis_indexes[BROADCAST_SNK_STREAM_CNT] = { 0 };
/* "0xXX " requires 5 characters */
char bis_indexes_str[5 * ARRAY_SIZE(bis_indexes) + 1];
size_t index_count = 0;
if (memcmp(base, &received_base, sizeof(received_base)) == 0) {
/* Don't print duplicates */
return;
}
shell_print(ctx_shell, "Received BASE from sink %p:", sink);
for (int i = 0; i < base->subgroup_count; i++) {
const struct bt_audio_base_subgroup *subgroup;
subgroup = &base->subgroups[i];
shell_print(ctx_shell, "Subgroup[%d]:", i);
print_codec(&subgroup->codec);
for (int j = 0; j < subgroup->bis_count; j++) {
const struct bt_audio_base_bis_data *bis_data;
bis_data = &subgroup->bis_data[j];
shell_print(ctx_shell, "BIS[%d] index 0x%02x",
i, bis_data->index);
bis_indexes[index_count++] = bis_data->index;
for (int k = 0; k < bis_data->data_count; k++) {
const struct bt_codec_data *codec_data;
codec_data = &bis_data->data[k];
shell_print(ctx_shell,
"data #%u: type 0x%02x len %u",
i, codec_data->data.type,
codec_data->data.data_len);
shell_hexdump(ctx_shell, codec_data->data.data,
codec_data->data.data_len -
sizeof(codec_data->data.type));
}
}
}
memset(bis_indexes_str, 0, sizeof(bis_indexes_str));
/* Create space separated list of indexes as hex values */
for (int i = 0; i < index_count; i++) {
char bis_index_str[6];
sprintf(bis_index_str, "0x%02x ", bis_indexes[i]);
strcat(bis_indexes_str, bis_index_str);
shell_print(ctx_shell, "[%d]: %s", i, bis_index_str);
}
shell_print(ctx_shell, "Possible indexes: %s", bis_indexes_str);
(void)memcpy(&received_base, base, sizeof(received_base));
}
static void syncable(struct bt_audio_broadcast_sink *sink, bool encrypted)
{
if (sink_syncable) {
return;
}
shell_print(ctx_shell, "Sink %p is ready to sync %s encryption",
sink, encrypted ? "with" : "without");
sink_syncable = true;
}
static void scan_term(int err)
{
shell_print(ctx_shell, "Broadcast scan was terminated: %d", err);
}
static void pa_sync_lost(struct bt_audio_broadcast_sink *sink)
{
shell_warn(ctx_shell, "Sink %p disconnected", sink);
if (default_sink == sink) {
default_sink = NULL;
sink_syncable = false;
}
}
#endif /* CONFIG_BT_AUDIO_BROADCAST_SINK */
#if defined(CONFIG_BT_AUDIO_BROADCAST_SINK)
static struct bt_audio_broadcast_sink_cb sink_cbs = {
.scan_recv = scan_recv,
.pa_synced = pa_synced,
.base_recv = base_recv,
.syncable = syncable,
.scan_term = scan_term,
.pa_sync_lost = pa_sync_lost,
};
#endif /* CONFIG_BT_AUDIO_BROADCAST_SINK */
#if defined(CONFIG_BT_AUDIO_UNICAST) || defined(CONFIG_BT_AUDIO_BROADCAST_SINK)
static void audio_recv(struct bt_audio_stream *stream,
const struct bt_iso_recv_info *info,
struct net_buf *buf)
{
shell_print(ctx_shell, "Incoming audio on stream %p len %u\n", stream, buf->len);
}
static struct bt_audio_stream_ops stream_ops = {
.recv = audio_recv
};
#endif /* CONFIG_BT_AUDIO_UNICAST || CONFIG_BT_AUDIO_BROADCAST_SINK */
#if defined(CONFIG_BT_AUDIO_BROADCAST_SOURCE)
static int cmd_select_broadcast_source(const struct shell *sh, size_t argc,
char *argv[])
{
struct bt_audio_stream *stream;
uint8_t index;
index = strtol(argv[1], NULL, 0);
if (index < 0 || index > ARRAY_SIZE(broadcast_source_streams)) {
shell_error(sh, "Invalid index: %d", index);
return -ENOEXEC;
}
stream = &broadcast_source_streams[index];
set_stream(stream);
return 0;
}
static int cmd_create_broadcast(const struct shell *sh, size_t argc,
char *argv[])
{
static struct bt_audio_stream *streams[ARRAY_SIZE(broadcast_source_streams)];
struct named_lc3_preset *named_preset;
int err;
if (default_source != NULL) {
shell_info(sh, "Broadcast source already created");
return -ENOEXEC;
}
named_preset = default_preset;
if (argc > 1) {
named_preset = set_preset(false, 1, &argv[1]);
if (named_preset == NULL) {
shell_error(sh, "Unable to parse named_preset %s",
argv[1]);
return -ENOEXEC;
}
}
(void)memset(streams, 0, sizeof(streams));
for (size_t i = 0; i < ARRAY_SIZE(streams); i++) {
streams[i] = &broadcast_source_streams[i];
}
err = bt_audio_broadcast_source_create(streams, ARRAY_SIZE(streams),
&named_preset->preset.codec,
&named_preset->preset.qos,
&default_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 = streams[0];
}
return 0;
}
static int cmd_start_broadcast(const struct shell *sh, size_t argc,
char *argv[])
{
int err;
if (default_source == NULL) {
shell_info(sh, "Broadcast source not created");
return -ENOEXEC;
}
err = bt_audio_broadcast_source_start(default_source);
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 == NULL) {
shell_info(sh, "Broadcast source not created");
return -ENOEXEC;
}
err = bt_audio_broadcast_source_stop(default_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 == NULL) {
shell_info(sh, "Broadcast source not created");
return -ENOEXEC;
}
err = bt_audio_broadcast_source_delete(default_source);
if (err != 0) {
shell_error(sh, "Unable to delete broadcast source: %d", err);
return err;
}
default_source = NULL;
return 0;
}
#endif /* CONFIG_BT_AUDIO_BROADCAST_SOURCE */
#if defined(CONFIG_BT_AUDIO_BROADCAST_SINK)
static int cmd_broadcast_scan(const struct shell *sh, size_t argc, char *argv[])
{
int err;
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 = 0 };
if (strcmp(argv[1], "on") == 0) {
err = bt_audio_broadcast_sink_scan_start(&param);
if (err != 0) {
shell_error(sh, "Could not start scan: %d", err);
}
} else if (strcmp(argv[1], "off") == 0) {
err = bt_audio_broadcast_sink_scan_stop();
if (err != 0) {
shell_error(sh, "Could not stop scan: %d", err);
}
} else {
shell_help(sh);
err = -ENOEXEC;
}
return err;
}
static int cmd_accept_broadcast(const struct shell *sh, size_t argc,
char *argv[])
{
accepted_broadcast_id = strtoul(argv[1], NULL, 16);
return 0;
}
static int cmd_sync_broadcast(const struct shell *sh, size_t argc, char *argv[])
{
static struct bt_audio_stream *streams[ARRAY_SIZE(broadcast_sink_streams)];
uint32_t bis_bitfield;
int err;
bis_bitfield = 0;
for (int i = 1; i < argc; i++) {
unsigned long val = strtoul(argv[1], NULL, 16);
if (val < 0x01 || val > 0x1F) {
shell_error(sh, "Invalid index: %ld", val);
}
bis_bitfield |= BIT(val);
}
if (default_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] = &broadcast_sink_streams[i];
}
err = bt_audio_broadcast_sink_sync(default_sink, bis_bitfield,
streams,
&default_preset->preset.codec,
NULL);
if (err != 0) {
shell_error(sh, "Failed to sync to broadcast: %d", err);
return err;
}
return 0;
}
static int cmd_stop_broadcast_sink(const struct shell *sh, size_t argc,
char *argv[])
{
int err;
if (default_sink == NULL) {
shell_error(sh, "No sink available");
return -ENOEXEC;
}
err = bt_audio_broadcast_sink_stop(default_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_sink == NULL) {
shell_error(sh, "No sink available");
return -ENOEXEC;
}
err = bt_audio_broadcast_sink_delete(default_sink);
if (err != 0) {
shell_error(sh, "Failed to term sink: %d", err);
return err;
}
default_sink = NULL;
sink_syncable = false;
return err;
}
#endif /* CONFIG_BT_AUDIO_BROADCAST_SINK */
static int cmd_init(const struct shell *sh, size_t argc, char *argv[])
{
int err, i;
ctx_shell = sh;
err = bt_enable(NULL);
if (err && err != -EALREADY) {
shell_error(sh, "Bluetooth init failed (err %d)", err);
return err;
}
#if defined(CONFIG_BT_AUDIO_UNICAST)
for (i = 0; i < ARRAY_SIZE(caps); i++) {
bt_audio_capability_register(&caps[i]);
}
/* Mark all supported contexts as available */
bt_audio_capability_set_available_contexts(BT_AUDIO_DIR_SINK,
BT_AUDIO_CONTEXT_TYPE_UNSPECIFIED);
bt_audio_capability_set_available_contexts(BT_AUDIO_DIR_SOURCE,
BT_AUDIO_CONTEXT_TYPE_UNSPECIFIED);
for (i = 0; i < ARRAY_SIZE(streams); i++) {
bt_audio_stream_cb_register(&streams[i], &stream_ops);
}
#endif /* CONFIG_BT_AUDIO_UNICAST */
#if defined(CONFIG_BT_AUDIO_BROADCAST_SINK)
bt_audio_broadcast_sink_register_cb(&sink_cbs);
for (i = 0; i < ARRAY_SIZE(broadcast_sink_streams); i++) {
bt_audio_stream_cb_register(&broadcast_sink_streams[i],
&stream_ops);
}
#endif /* CONFIG_BT_AUDIO_BROADCAST_SOURCE */
return 0;
}
#define DATA_MTU CONFIG_BT_ISO_TX_MTU
NET_BUF_POOL_FIXED_DEFINE(tx_pool, 1, DATA_MTU, 8, 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 (argc > 1) {
len = hex2bin(argv[1], strlen(argv[1]), data, sizeof(data));
if (len > default_stream->iso->qos->tx->sdu) {
shell_print(sh, "Unable to send: len %d > %u MTU",
len, default_stream->iso->qos->tx->sdu);
return -ENOEXEC;
}
} else {
len = MIN(default_stream->iso->qos->tx->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_audio_stream_send(default_stream, buf);
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;
}
SHELL_STATIC_SUBCMD_SET_CREATE(audio_cmds,
SHELL_CMD_ARG(init, NULL, NULL, cmd_init, 1, 0),
#if defined(CONFIG_BT_AUDIO_BROADCAST_SOURCE)
SHELL_CMD_ARG(select_broadcast, NULL, "<stream>",
cmd_select_broadcast_source, 2, 0),
SHELL_CMD_ARG(create_broadcast, NULL, "[codec] [preset]",
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_AUDIO_BROADCAST_SOURCE */
#if defined(CONFIG_BT_AUDIO_BROADCAST_SINK)
SHELL_CMD_ARG(broadcast_scan, NULL, "<on, off>",
cmd_broadcast_scan, 2, 0),
SHELL_CMD_ARG(accept_broadcast, NULL, "0x<broadcast_id>",
cmd_accept_broadcast, 2, 0),
SHELL_CMD_ARG(sync_broadcast, NULL, "0x<bis_bitfield>",
cmd_sync_broadcast, 2, 0),
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_AUDIO_BROADCAST_SINK */
#if defined(CONFIG_BT_AUDIO_UNICAST_CLIENT)
SHELL_CMD_ARG(discover, NULL, "[dir: sink, source]",
cmd_discover, 1, 1),
SHELL_CMD_ARG(preset, NULL, "[preset]", cmd_preset, 1, 1),
SHELL_CMD_ARG(config, NULL,
"<direction: sink, source> <index> [codec] [preset]",
cmd_config, 3, 2),
SHELL_CMD_ARG(qos, NULL,
"[preset] [interval] [framing] [latency] [pd] [sdu] [phy]"
" [rtn]", cmd_qos, 1, 8),
SHELL_CMD_ARG(enable, NULL, NULL, cmd_enable, 1, 1),
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(stop, NULL, NULL, cmd_stop, 1, 0),
SHELL_CMD_ARG(release, NULL, NULL, cmd_release, 1, 0),
SHELL_CMD_ARG(list, NULL, NULL, cmd_list, 1, 0),
SHELL_CMD_ARG(connect, NULL,
"<direction: sink, source> <index> [codec] [preset]",
cmd_connect, 3, 2),
#endif /* CONFIG_BT_AUDIO_UNICAST_CLIENT */
#if defined(CONFIG_BT_AUDIO_UNICAST)
SHELL_CMD_ARG(select_unicast, NULL, "<stream>",
cmd_select_unicast, 2, 0),
#endif /* CONFIG_BT_AUDIO_UNICAST */
SHELL_CMD_ARG(send, NULL, "Send to Audio Stream [data]",
cmd_send, 1, 1),
SHELL_SUBCMD_SET_END
);
static int cmd_audio(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(audio, &audio_cmds, "Bluetooth audio shell commands",
cmd_audio, 1, 1);