blob: ed06a34d642bdbea22ce6437e7859050ae17cab9 [file] [log] [blame]
/**
* @file
* @brief Shell APIs for Bluetooth BASS client
*
* Copyright (c) 2020-2021 Nordic Semiconductor ASA
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <zephyr/types.h>
#include <zephyr/kernel.h>
#include <zephyr/types.h>
#include <zephyr/shell/shell.h>
#include <stdlib.h>
#include <zephyr/bluetooth/gatt.h>
#include <zephyr/bluetooth/bluetooth.h>
#include <zephyr/bluetooth/hci.h>
#include <zephyr/bluetooth/audio/bass.h>
#include "bt.h"
#include "../host/hci_core.h"
static void bass_client_discover_cb(struct bt_conn *conn, int err,
uint8_t recv_state_count)
{
if (err != 0) {
shell_error(ctx_shell, "BASS discover failed (%d)", err);
} else {
shell_print(ctx_shell, "BASS discover done with %u recv states",
recv_state_count);
}
}
static void bass_client_scan_cb(const struct bt_le_scan_recv_info *info,
uint32_t broadcast_id)
{
char le_addr[BT_ADDR_LE_STR_LEN];
char name[30];
(void)memset(name, 0, sizeof(name));
bt_addr_le_to_str(info->addr, le_addr, sizeof(le_addr));
shell_print(ctx_shell, "[DEVICE]: %s (%s), broadcast_id %u, "
"interval (ms) %u), SID 0x%x, RSSI %i",
le_addr, name, broadcast_id, info->interval * 5 / 4,
info->sid, info->rssi);
}
static bool metadata_entry(struct bt_data *data, void *user_data)
{
char metadata[512];
bin2hex(data->data, data->data_len, metadata, sizeof(metadata));
shell_print(ctx_shell, "\t\tMetadata length %u, type %u, data: %s",
data->data_len, data->type, metadata);
return true;
}
static void bass_client_recv_state_cb(struct bt_conn *conn, int err,
const struct bt_bass_recv_state *state)
{
char le_addr[BT_ADDR_LE_STR_LEN];
char bad_code[33];
if (err != 0) {
shell_error(ctx_shell, "BASS recv state read failed (%d)", err);
return;
}
bt_addr_le_to_str(&state->addr, le_addr, sizeof(le_addr));
bin2hex(state->bad_code, BT_BASS_BROADCAST_CODE_SIZE,
bad_code, sizeof(bad_code));
shell_print(ctx_shell, "BASS recv state: src_id %u, addr %s, "
"sid %u, sync_state %u, encrypt_state %u%s%s",
state->src_id, le_addr, state->adv_sid,
state->pa_sync_state, state->encrypt_state,
state->encrypt_state == BT_BASS_BIG_ENC_STATE_BAD_CODE ? ", bad code" : "",
bad_code);
for (int i = 0; i < state->num_subgroups; i++) {
const struct bt_bass_subgroup *subgroup = &state->subgroups[i];
struct net_buf_simple buf;
shell_print(ctx_shell, "\t[%d]: BIS sync %u, metadata_len %u",
i, subgroup->bis_sync, subgroup->metadata_len);
net_buf_simple_init_with_data(&buf, (void *)subgroup->metadata,
subgroup->metadata_len);
bt_data_parse(&buf, metadata_entry, NULL);
}
if (state->pa_sync_state == BT_BASS_PA_STATE_INFO_REQ) {
struct bt_le_per_adv_sync *per_adv_sync = NULL;
struct bt_le_ext_adv *ext_adv = NULL;
/* Lookup matching PA sync */
for (int i = 0; i < ARRAY_SIZE(per_adv_syncs); i++) {
if (per_adv_syncs[i] &&
bt_addr_le_cmp(&per_adv_syncs[i]->addr,
&state->addr) == 0) {
per_adv_sync = per_adv_syncs[i];
break;
}
}
if (per_adv_sync) {
shell_print(ctx_shell, "Sending PAST");
err = bt_le_per_adv_sync_transfer(per_adv_sync,
conn,
BT_UUID_BASS_VAL);
if (err != 0) {
shell_error(ctx_shell, "Could not transfer periodic adv sync: %d",
err);
}
return;
}
/* If no PA sync was found, check for local advertisers */
for (int i = 0; i < ARRAY_SIZE(adv_sets); i++) {
struct bt_le_oob oob_local;
if (adv_sets[i] == NULL) {
continue;
}
err = bt_le_ext_adv_oob_get_local(adv_sets[i],
&oob_local);
if (err != 0) {
shell_error(ctx_shell,
"Could not get local OOB %d",
err);
return;
}
if (bt_addr_le_cmp(&oob_local.addr,
&state->addr) == 0) {
ext_adv = adv_sets[i];
break;
}
}
if (ext_adv != NULL && IS_ENABLED(CONFIG_BT_PER_ADV)) {
shell_print(ctx_shell, "Sending local PAST");
err = bt_le_per_adv_set_info_transfer(ext_adv, conn,
BT_UUID_BASS_VAL);
if (err != 0) {
shell_error(ctx_shell,
"Could not transfer per adv set info: %d",
err);
}
} else {
shell_error(ctx_shell, "Could not send PA to BASS server");
}
}
}
static void bass_client_recv_state_removed_cb(struct bt_conn *conn, int err,
uint8_t src_id)
{
if (err != 0) {
shell_error(ctx_shell, "BASS recv state removed failed (%d)",
err);
} else {
shell_print(ctx_shell, "BASS recv state %u removed", src_id);
}
}
static void bass_client_scan_start_cb(struct bt_conn *conn, int err)
{
if (err != 0) {
shell_error(ctx_shell, "BASS scan start failed (%d)", err);
} else {
shell_print(ctx_shell, "BASS scan start successful");
}
}
static void bass_client_scan_stop_cb(struct bt_conn *conn, int err)
{
if (err != 0) {
shell_error(ctx_shell, "BASS scan stop failed (%d)", err);
} else {
shell_print(ctx_shell, "BASS scan stop successful");
}
}
static void bass_client_add_src_cb(struct bt_conn *conn, int err)
{
if (err != 0) {
shell_error(ctx_shell, "BASS add source failed (%d)", err);
} else {
shell_print(ctx_shell, "BASS add source successful");
}
}
static void bass_client_mod_src_cb(struct bt_conn *conn, int err)
{
if (err != 0) {
shell_error(ctx_shell, "BASS modify source failed (%d)", err);
} else {
shell_print(ctx_shell, "BASS modify source successful");
}
}
static void bass_client_broadcast_code_cb(struct bt_conn *conn, int err)
{
if (err != 0) {
shell_error(ctx_shell, "BASS broadcast code failed (%d)", err);
} else {
shell_print(ctx_shell, "BASS broadcast code successful");
}
}
static void bass_client_rem_src_cb(struct bt_conn *conn, int err)
{
if (err != 0) {
shell_error(ctx_shell, "BASS remove source failed (%d)", err);
} else {
shell_print(ctx_shell, "BASS remove source successful");
}
}
static struct bt_bass_client_cb cbs = {
.discover = bass_client_discover_cb,
.scan = bass_client_scan_cb,
.recv_state = bass_client_recv_state_cb,
.recv_state_removed = bass_client_recv_state_removed_cb,
.scan_start = bass_client_scan_start_cb,
.scan_stop = bass_client_scan_stop_cb,
.add_src = bass_client_add_src_cb,
.mod_src = bass_client_mod_src_cb,
.broadcast_code = bass_client_broadcast_code_cb,
.rem_src = bass_client_rem_src_cb,
};
static int cmd_bass_client_discover(const struct shell *sh, size_t argc,
char **argv)
{
int result;
bt_bass_client_register_cb(&cbs);
result = bt_bass_client_discover(default_conn);
if (result) {
shell_print(sh, "Fail: %d", result);
}
return result;
}
static int cmd_bass_client_scan_start(const struct shell *sh, size_t argc,
char **argv)
{
int result;
int start_scan = false;
if (argc > 1) {
start_scan = strtol(argv[1], NULL, 0);
if (start_scan != 0 && start_scan != 1) {
shell_error(sh, "Value shall be boolean");
return -ENOEXEC;
}
}
result = bt_bass_client_scan_start(default_conn, (bool)start_scan);
if (result) {
shell_print(sh, "Fail: %d", result);
}
return result;
}
static int cmd_bass_client_scan_stop(const struct shell *sh, size_t argc,
char **argv)
{
int result;
result = bt_bass_client_scan_stop(default_conn);
if (result) {
shell_print(sh, "Fail: %d", result);
}
return result;
}
static int cmd_bass_client_add_src(const struct shell *sh, size_t argc,
char **argv)
{
int result;
struct bt_bass_add_src_param param = { 0 };
struct bt_bass_subgroup subgroup = { 0 };
result = bt_addr_le_from_str(argv[1], argv[2], &param.addr);
if (result) {
shell_error(sh, "Invalid peer address (err %d)", result);
return -ENOEXEC;
}
param.adv_sid = strtol(argv[3], NULL, 0);
if (param.adv_sid < 0 || param.adv_sid > 0x0F) {
shell_error(sh, "adv_sid shall be 0x00-0x0f");
return -ENOEXEC;
}
param.pa_sync = strtol(argv[4], NULL, 0);
if (param.pa_sync < 0 || param.pa_sync > 1) {
shell_error(sh, "pa_sync shall be boolean");
return -ENOEXEC;
}
param.broadcast_id = strtol(argv[5], NULL, 0);
if (param.broadcast_id < 0 ||
param.broadcast_id > 0xFFFFFF /* 24 bits */) {
shell_error(sh, "Broadcast ID maximum 24 bits (was %x)",
param.broadcast_id);
return -ENOEXEC;
}
if (argc > 6) {
param.pa_interval = strtol(argv[6], NULL, 0);
} else {
param.pa_interval = BT_BASS_PA_INTERVAL_UNKNOWN;
}
/* TODO: Support multiple subgroups */
if (argc > 7) {
subgroup.bis_sync = strtoul(argv[7], NULL, 0);
if (subgroup.bis_sync > UINT32_MAX) {
shell_error(sh,
"bis_sync shall be 0x00000000 to 0xFFFFFFFF");
return -ENOEXEC;
}
}
if (argc > 8) {
subgroup.metadata_len = hex2bin(argv[8], strlen(argv[8]),
subgroup.metadata,
sizeof(subgroup.metadata));
if (!subgroup.metadata_len) {
shell_error(sh, "Could not parse metadata");
return -ENOEXEC;
}
}
param.num_subgroups = 1;
param.subgroups = &subgroup;
result = bt_bass_client_add_src(default_conn, &param);
if (result) {
shell_print(sh, "Fail: %d", result);
}
return result;
}
static int cmd_bass_client_mod_src(const struct shell *sh, size_t argc,
char **argv)
{
int result;
struct bt_bass_mod_src_param param = { 0 };
struct bt_bass_subgroup subgroup = { 0 };
param.src_id = strtol(argv[1], NULL, 0);
if (param.src_id < 0 || param.src_id > UINT8_MAX) {
shell_error(sh, "adv_sid shall be 0x00-0xff");
return -ENOEXEC;
}
param.pa_sync = strtol(argv[2], NULL, 0);
if (param.pa_sync < 0 || param.pa_sync > 1) {
shell_error(sh, "pa_sync shall be boolean");
return -ENOEXEC;
}
if (argc > 3) {
param.pa_interval = strtol(argv[3], NULL, 0);
} else {
param.pa_interval = BT_BASS_PA_INTERVAL_UNKNOWN;
}
/* TODO: Support multiple subgroups */
if (argc > 3) {
subgroup.bis_sync = strtoul(argv[3], NULL, 0);
if (subgroup.bis_sync > UINT32_MAX) {
shell_error(sh,
"bis_sync shall be 0x00000000 to 0xFFFFFFFF");
return -ENOEXEC;
}
}
if (argc > 5) {
subgroup.metadata_len = hex2bin(argv[5], strlen(argv[5]),
subgroup.metadata,
sizeof(subgroup.metadata));
if (!subgroup.metadata_len) {
shell_error(sh, "Could not parse metadata");
return -ENOEXEC;
}
}
param.num_subgroups = 1;
param.subgroups = &subgroup;
result = bt_bass_client_mod_src(default_conn, &param);
if (result) {
shell_print(sh, "Fail: %d", result);
}
return result;
}
static int cmd_bass_client_broadcast_code(const struct shell *sh,
size_t argc, char **argv)
{
int result;
int src_id;
uint8_t broadcast_code[BT_BASS_BROADCAST_CODE_SIZE] = { 0 };
src_id = strtol(argv[1], NULL, 0);
if (src_id < 0 || src_id > UINT8_MAX) {
shell_error(sh, "adv_sid shall be 0x00-0xff");
return -ENOEXEC;
}
for (int i = 0; i < argc - 2; i++) {
broadcast_code[i] = strtol(argv[i + 2], NULL, 0);
}
result = bt_bass_client_set_broadcast_code(default_conn, src_id,
broadcast_code);
if (result) {
shell_print(sh, "Fail: %d", result);
}
return result;
}
static int cmd_bass_client_rem_src(const struct shell *sh, size_t argc,
char **argv)
{
int result;
int src_id;
src_id = strtol(argv[1], NULL, 0);
if (src_id < 0 || src_id > UINT8_MAX) {
shell_error(sh, "adv_sid shall be 0x00-0xff");
return -ENOEXEC;
}
result = bt_bass_client_rem_src(default_conn, src_id);
if (result) {
shell_print(sh, "Fail: %d", result);
}
return result;
}
static int cmd_bass_client_read_recv_state(const struct shell *sh,
size_t argc, char **argv)
{
int result;
int idx;
idx = strtol(argv[1], NULL, 0);
if (idx < 0 || idx > UINT8_MAX) {
shell_error(sh, "adv_sid shall be 0x00-0xff");
return -ENOEXEC;
}
result = bt_bass_client_read_recv_state(default_conn, idx);
if (result) {
shell_print(sh, "Fail: %d", result);
}
return result;
}
static int cmd_bass_client(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_STATIC_SUBCMD_SET_CREATE(bass_client_cmds,
SHELL_CMD_ARG(discover, NULL,
"Discover BASS on the server",
cmd_bass_client_discover, 1, 0),
SHELL_CMD_ARG(scan_start, NULL,
"Start scanning for broadcasters",
cmd_bass_client_scan_start, 1, 0),
SHELL_CMD_ARG(scan_stop, NULL,
"Stop scanning for BISs",
cmd_bass_client_scan_stop, 1, 0),
SHELL_CMD_ARG(add_src, NULL,
"Add a source <address: XX:XX:XX:XX:XX:XX> "
"<type: public/random> <adv_sid> <sync_pa> "
"<broadcast_id> [<pa_interval>] [<sync_bis>] "
"[<metadata>]",
cmd_bass_client_add_src, 6, 3),
SHELL_CMD_ARG(mod_src, NULL,
"Set sync <src_id> <sync_pa> [<pa_interval>] "
"[<sync_bis>] [<metadata>]",
cmd_bass_client_mod_src, 3, 2),
SHELL_CMD_ARG(broadcast_code, NULL,
"Send a space separated broadcast code of up to 16 bytes "
"<src_id> [broadcast code]",
cmd_bass_client_broadcast_code, 2, 16),
SHELL_CMD_ARG(rem_src, NULL,
"Remove a source <src_id>",
cmd_bass_client_rem_src, 2, 0),
SHELL_CMD_ARG(read_state, NULL,
"Remove a source <index>",
cmd_bass_client_read_recv_state, 2, 0),
SHELL_SUBCMD_SET_END
);
SHELL_CMD_ARG_REGISTER(bass_client, &bass_client_cmds,
"Bluetooth BASS client shell commands",
cmd_bass_client, 1, 1);