From ede2d56234101296a556b28cbe67fc086ca3ebf8 Mon Sep 17 00:00:00 2001 From: Emil Gydesen Date: Thu, 4 Jan 2024 15:19:10 +0100 Subject: [PATCH] tests: bsim: Bluetooth: CAP broadcast AC testing Add testing of the Audio Configurations from the BAP spec using the CAP API. (cherry picked from commit 79af154ae7d54f703aaf3660868f1de88c613840) Original-Signed-off-by: Emil Gydesen GitOrigin-RevId: 79af154ae7d54f703aaf3660868f1de88c613840 Change-Id: Iff57dd268210c8621b0bdfc26e08dea6707c39cc Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/zephyr/+/5192494 Reviewed-by: Tristan Honscheid Tested-by: ChromeOS Prod (Robot) Commit-Queue: Tristan Honscheid Tested-by: Tristan Honscheid --- subsys/bluetooth/audio/shell/cap_initiator.c | 4 +- .../audio/src/bap_broadcast_sink_test.c | 6 +- .../audio/src/bap_unicast_client_test.c | 7 +- .../audio/src/bap_unicast_server_test.c | 7 +- .../bluetooth/audio/src/cap_acceptor_test.c | 68 ++++- .../audio/src/cap_initiator_broadcast_test.c | 274 ++++++++++++++++-- .../audio/src/cap_initiator_unicast_test.c | 2 +- tests/bsim/bluetooth/audio/src/common.h | 17 ++ .../bsim/bluetooth/audio/test_scripts/_cap.sh | 3 + .../audio/test_scripts/cap_broadcast_ac_12.sh | 69 +++++ .../audio/test_scripts/cap_broadcast_ac_13.sh | 68 +++++ .../audio/test_scripts/cap_broadcast_ac_14.sh | 69 +++++ 12 files changed, 558 insertions(+), 36 deletions(-) create mode 100755 tests/bsim/bluetooth/audio/test_scripts/cap_broadcast_ac_12.sh create mode 100755 tests/bsim/bluetooth/audio/test_scripts/cap_broadcast_ac_13.sh create mode 100755 tests/bsim/bluetooth/audio/test_scripts/cap_broadcast_ac_14.sh diff --git a/subsys/bluetooth/audio/shell/cap_initiator.c b/subsys/bluetooth/audio/shell/cap_initiator.c index 0d002b30df3..070fd614036 100644 --- a/subsys/bluetooth/audio/shell/cap_initiator.c +++ b/subsys/bluetooth/audio/shell/cap_initiator.c @@ -1134,9 +1134,9 @@ static int cmd_cap_ac_13(const struct shell *sh, size_t argc, char **argv) static int cmd_cap_ac_14(const struct shell *sh, size_t argc, char **argv) { const struct bap_broadcast_ac_param param = { - .name = "AC_13", + .name = "AC_14", .stream_cnt = 2U, - .chan_cnt = 1U, + .chan_cnt = 2U, }; return cap_ac_broadcast(sh, argc, argv, ¶m); diff --git a/tests/bsim/bluetooth/audio/src/bap_broadcast_sink_test.c b/tests/bsim/bluetooth/audio/src/bap_broadcast_sink_test.c index df9203a2b98..a0ca2539866 100644 --- a/tests/bsim/bluetooth/audio/src/bap_broadcast_sink_test.c +++ b/tests/bsim/bluetooth/audio/src/bap_broadcast_sink_test.c @@ -277,8 +277,8 @@ static void recv_cb(struct bt_bap_stream *stream, struct audio_test_stream *test_stream = audio_test_stream_from_bap_stream(stream); if ((test_stream->rx_cnt % 100U) == 0U) { - printk("Incoming audio on stream %p len %u and ts %u\n", stream, buf->len, - info->ts); + printk("[%zu]: Incoming audio on stream %p len %u and ts %u\n", test_stream->rx_cnt, + stream, buf->len, info->ts); } if (test_stream->rx_cnt > 0U && info->ts == test_stream->last_info.ts) { @@ -313,7 +313,7 @@ static void recv_cb(struct bt_bap_stream *stream, SET_FLAG(flag_received); } } else { - FAIL("Unexpected data received"); + FAIL("Unexpected data received\n"); } } diff --git a/tests/bsim/bluetooth/audio/src/bap_unicast_client_test.c b/tests/bsim/bluetooth/audio/src/bap_unicast_client_test.c index 81ca44af0e1..0fe3156afe8 100644 --- a/tests/bsim/bluetooth/audio/src/bap_unicast_client_test.c +++ b/tests/bsim/bluetooth/audio/src/bap_unicast_client_test.c @@ -121,7 +121,10 @@ static void stream_recv_cb(struct bt_bap_stream *stream, const struct bt_iso_rec { struct audio_test_stream *test_stream = audio_test_stream_from_bap_stream(stream); - printk("Incoming audio on stream %p len %u and ts %u\n", stream, buf->len, info->ts); + if ((test_stream->rx_cnt % 100U) == 0U) { + printk("[%zu]: Incoming audio on stream %p len %u and ts %u\n", test_stream->rx_cnt, + stream, buf->len, info->ts); + } if (test_stream->rx_cnt > 0U && info->ts == test_stream->last_info.ts) { FAIL("Duplicated timestamp received: %u\n", test_stream->last_info.ts); @@ -146,7 +149,7 @@ static void stream_recv_cb(struct bt_bap_stream *stream, const struct bt_iso_rec if (memcmp(buf->data, mock_iso_data, buf->len) == 0) { test_stream->rx_cnt++; } else { - FAIL("Unexpected data received"); + FAIL("Unexpected data received\n"); } } diff --git a/tests/bsim/bluetooth/audio/src/bap_unicast_server_test.c b/tests/bsim/bluetooth/audio/src/bap_unicast_server_test.c index 6dce1dea3fa..6d6f899d0e3 100644 --- a/tests/bsim/bluetooth/audio/src/bap_unicast_server_test.c +++ b/tests/bsim/bluetooth/audio/src/bap_unicast_server_test.c @@ -254,7 +254,10 @@ static void stream_recv_cb(struct bt_bap_stream *stream, const struct bt_iso_rec { struct audio_test_stream *test_stream = audio_test_stream_from_bap_stream(stream); - printk("Incoming audio on stream %p len %u and ts %u\n", stream, buf->len, info->ts); + if ((test_stream->rx_cnt % 100U) == 0U) { + printk("[%zu]: Incoming audio on stream %p len %u and ts %u\n", test_stream->rx_cnt, + stream, buf->len, info->ts); + } if (test_stream->rx_cnt > 0U && info->ts == test_stream->last_info.ts) { FAIL("Duplicated timestamp received: %u\n", test_stream->last_info.ts); @@ -279,7 +282,7 @@ static void stream_recv_cb(struct bt_bap_stream *stream, const struct bt_iso_rec if (memcmp(buf->data, mock_iso_data, buf->len) == 0) { test_stream->rx_cnt++; } else { - FAIL("Unexpected data received"); + FAIL("Unexpected data received\n"); } } diff --git a/tests/bsim/bluetooth/audio/src/cap_acceptor_test.c b/tests/bsim/bluetooth/audio/src/cap_acceptor_test.c index 56bb02cb6d2..ccb9eaed8c4 100644 --- a/tests/bsim/bluetooth/audio/src/cap_acceptor_test.c +++ b/tests/bsim/bluetooth/audio/src/cap_acceptor_test.c @@ -33,7 +33,7 @@ static struct bt_le_scan_recv_info broadcaster_info; static bt_addr_le_t broadcaster_addr; static struct bt_le_per_adv_sync *pa_sync; static uint32_t broadcaster_broadcast_id; -static struct bt_cap_stream broadcast_sink_streams[CONFIG_BT_BAP_BROADCAST_SNK_STREAM_COUNT]; +static struct audio_test_stream broadcast_sink_streams[CONFIG_BT_BAP_BROADCAST_SNK_STREAM_COUNT]; static const struct bt_audio_codec_cap codec_cap = BT_AUDIO_CODEC_CAP_LC3( BT_AUDIO_CODEC_LC3_FREQ_ANY, BT_AUDIO_CODEC_LC3_DURATION_ANY, @@ -260,7 +260,47 @@ static void stopped_cb(struct bt_bap_stream *stream, uint8_t reason) static void recv_cb(struct bt_bap_stream *stream, const struct bt_iso_recv_info *info, struct net_buf *buf) { - SET_FLAG(flag_received); + struct audio_test_stream *test_stream = audio_test_stream_from_bap_stream(stream); + + if ((test_stream->rx_cnt % 100U) == 0U) { + printk("[%zu]: Incoming audio on stream %p len %u and ts %u\n", test_stream->rx_cnt, + stream, buf->len, info->ts); + } + + if (test_stream->rx_cnt > 0U && info->ts == test_stream->last_info.ts) { + FAIL("Duplicated timestamp received: %u\n", test_stream->last_info.ts); + return; + } + + if (test_stream->rx_cnt > 0U && info->seq_num == test_stream->last_info.seq_num) { + FAIL("Duplicated PSN received: %u\n", test_stream->last_info.seq_num); + return; + } + + if (info->flags & BT_ISO_FLAGS_ERROR) { + /* Fail the test if we have not received what we expected */ + if (!TEST_FLAG(flag_received)) { + FAIL("ISO receive error\n"); + } + + return; + } + + if (info->flags & BT_ISO_FLAGS_LOST) { + FAIL("ISO receive lost\n"); + return; + } + + if (memcmp(buf->data, mock_iso_data, buf->len) == 0) { + test_stream->rx_cnt++; + + if (test_stream->rx_cnt >= MIN_SEND_COUNT) { + /* We set the flag is just one stream has received the expected */ + SET_FLAG(flag_received); + } + } else { + FAIL("Unexpected data received\n"); + } } static struct bt_bap_stream_ops broadcast_stream_ops = { @@ -604,8 +644,9 @@ static void init(void) UNSET_FLAG(flag_pa_synced); for (size_t i = 0U; i < ARRAY_SIZE(broadcast_sink_streams); i++) { - bt_cap_stream_ops_register(&broadcast_sink_streams[i], - &broadcast_stream_ops); + bt_cap_stream_ops_register( + cap_stream_from_audio_test_stream(&broadcast_sink_streams[i]), + &broadcast_stream_ops); } } @@ -678,6 +719,7 @@ static int pa_sync_create(void) static void test_cap_acceptor_broadcast(void) { static struct bt_bap_stream *bap_streams[ARRAY_SIZE(broadcast_sink_streams)]; + size_t stream_count; int err; init(); @@ -724,10 +766,17 @@ static void test_cap_acceptor_broadcast(void) WAIT_FOR_FLAG(flag_syncable); for (size_t i = 0U; i < ARRAY_SIZE(broadcast_sink_streams); i++) { - bap_streams[i] = &broadcast_sink_streams[i].bap_stream; + bap_streams[i] = bap_stream_from_audio_test_stream(&broadcast_sink_streams[i]); } printk("Syncing the sink\n"); + stream_count = 0; + for (int i = 1; i < BT_ISO_MAX_GROUP_ISO_COUNT; i++) { + if ((bis_index_bitfield & BIT(i)) != 0) { + stream_count++; + } + } + err = bt_bap_broadcast_sink_sync(g_broadcast_sink, bis_index_bitfield, bap_streams, NULL); if (err != 0) { FAIL("Unable to sync the sink: %d\n", err); @@ -735,13 +784,14 @@ static void test_cap_acceptor_broadcast(void) } /* Wait for all to be started */ - printk("Waiting for broadcast_sink_streams to be started\n"); - for (size_t i = 0U; i < ARRAY_SIZE(broadcast_sink_streams); i++) { + printk("Waiting for %zu streams to be started\n", stream_count); + for (size_t i = 0U; i < stream_count; i++) { k_sem_take(&sem_broadcast_started, K_FOREVER); } printk("Waiting for data\n"); WAIT_FOR_FLAG(flag_received); + backchannel_sync_send_all(); /* let other devices know we have received what we wanted */ /* The order of PA sync lost and BIG Sync lost is irrelevant * and depend on timeout parameters. We just wait for PA first, but @@ -750,8 +800,8 @@ static void test_cap_acceptor_broadcast(void) printk("Waiting for PA disconnected\n"); WAIT_FOR_FLAG(flag_pa_sync_lost); - printk("Waiting for streams to be stopped\n"); - for (size_t i = 0U; i < ARRAY_SIZE(broadcast_sink_streams); i++) { + printk("Waiting for %zu streams to be stopped\n", stream_count); + for (size_t i = 0U; i < stream_count; i++) { k_sem_take(&sem_broadcast_stopped, K_FOREVER); } diff --git a/tests/bsim/bluetooth/audio/src/cap_initiator_broadcast_test.c b/tests/bsim/bluetooth/audio/src/cap_initiator_broadcast_test.c index 37bcfe0e2a3..001b0d0ddd9 100644 --- a/tests/bsim/bluetooth/audio/src/cap_initiator_broadcast_test.c +++ b/tests/bsim/bluetooth/audio/src/cap_initiator_broadcast_test.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2022-2023 Nordic Semiconductor ASA + * Copyright (c) 2022-2024 Nordic Semiconductor ASA * * SPDX-License-Identifier: Apache-2.0 */ @@ -12,11 +12,15 @@ #include #include #include +#include "bap_common.h" #include "common.h" #define BROADCAST_STREMT_CNT CONFIG_BT_BAP_BROADCAST_SRC_STREAM_COUNT #define BROADCAST_ENQUEUE_COUNT 2U #define TOTAL_BUF_NEEDED (BROADCAST_ENQUEUE_COUNT * BROADCAST_STREMT_CNT) +#define CAP_AC_MAX_STREAM 2 +#define LOCATION (BT_AUDIO_LOCATION_FRONT_LEFT | BT_AUDIO_LOCATION_FRONT_RIGHT) +#define CONTEXT (BT_AUDIO_CONTEXT_TYPE_MEDIA) BUILD_ASSERT(CONFIG_BT_ISO_TX_BUF_COUNT >= TOTAL_BUF_NEEDED, "CONFIG_BT_ISO_TX_BUF_COUNT should be at least " @@ -25,15 +29,60 @@ BUILD_ASSERT(CONFIG_BT_ISO_TX_BUF_COUNT >= TOTAL_BUF_NEEDED, NET_BUF_POOL_FIXED_DEFINE(tx_pool, TOTAL_BUF_NEEDED, BT_ISO_SDU_BUF_SIZE(CONFIG_BT_ISO_TX_MTU), CONFIG_BT_CONN_TX_USER_DATA_SIZE, NULL); +struct cap_initiator_ac_param { + char *name; + size_t stream_cnt; + size_t chan_cnt; + const struct named_lc3_preset *named_preset; +}; +static const struct named_lc3_preset *named_preset; + extern enum bst_result_t bst_result; static struct audio_test_stream broadcast_source_streams[BROADCAST_STREMT_CNT]; static struct bt_cap_stream *broadcast_streams[ARRAY_SIZE(broadcast_source_streams)]; -static struct bt_bap_lc3_preset broadcast_preset_16_2_1 = BT_BAP_LC3_BROADCAST_PRESET_16_2_1( - BT_AUDIO_LOCATION_FRONT_LEFT, BT_AUDIO_CONTEXT_TYPE_MEDIA); +static struct bt_bap_lc3_preset broadcast_preset_16_2_1 = + BT_BAP_LC3_BROADCAST_PRESET_16_2_1(LOCATION, CONTEXT); +static size_t stream_count; static K_SEM_DEFINE(sem_broadcast_started, 0U, ARRAY_SIZE(broadcast_streams)); static K_SEM_DEFINE(sem_broadcast_stopped, 0U, ARRAY_SIZE(broadcast_streams)); +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 void broadcast_started_cb(struct bt_bap_stream *stream) { printk("Stream %p started\n", stream); @@ -328,6 +377,8 @@ static void test_broadcast_audio_create(struct bt_cap_broadcast_source **broadca printk("Broadcast source created with %zu broadcast_streams\n", ARRAY_SIZE(broadcast_streams)); + + stream_count = ARRAY_SIZE(broadcast_streams); } static void test_broadcast_audio_start_inval(struct bt_cap_broadcast_source *broadcast_source, @@ -456,7 +507,7 @@ static void test_broadcast_audio_stop_inval(void) static void test_broadcast_audio_tx_sync(void) { - for (size_t i = 0U; i < ARRAY_SIZE(broadcast_streams); i++) { + for (size_t i = 0U; i < stream_count; i++) { struct bt_cap_stream *cap_stream = broadcast_streams[i]; struct bt_iso_tx_info info; int err; @@ -480,7 +531,7 @@ static void test_broadcast_audio_stop(struct bt_cap_broadcast_source *broadcast_ { int err; - printk("Stopping broadcast metadata\n"); + printk("Stopping broadcast source\n"); for (size_t i = 0U; i < ARRAY_SIZE(broadcast_source_streams); i++) { broadcast_source_streams[i].tx_active = false; @@ -494,11 +545,11 @@ static void test_broadcast_audio_stop(struct bt_cap_broadcast_source *broadcast_ /* Wait for all to be stopped */ printk("Waiting for broadcast_streams to be stopped\n"); - for (size_t i = 0U; i < ARRAY_SIZE(broadcast_streams); i++) { + for (size_t i = 0U; i < stream_count; i++) { k_sem_take(&sem_broadcast_stopped, K_FOREVER); } - printk("Broadcast metadata stopped\n"); + printk("Broadcast source stopped\n"); /* Verify that it cannot be stopped twice */ err = bt_cap_initiator_broadcast_audio_stop(broadcast_source); @@ -526,7 +577,7 @@ static void test_broadcast_audio_delete(struct bt_cap_broadcast_source *broadcas { int err; - printk("Stopping broadcast metadata\n"); + printk("Deleting broadcast source\n"); err = bt_cap_initiator_broadcast_audio_delete(broadcast_source); if (err != 0) { @@ -534,7 +585,7 @@ static void test_broadcast_audio_delete(struct bt_cap_broadcast_source *broadcas return; } - printk("Broadcast metadata stopped\n"); + printk("Broadcast source deleted\n"); /* Verify that it cannot be deleted twice */ err = bt_cap_initiator_broadcast_audio_delete(broadcast_source); @@ -568,22 +619,23 @@ static void test_main_cap_initiator_broadcast(void) /* Wait for all to be started */ printk("Waiting for broadcast_streams to be started\n"); - for (size_t i = 0U; i < ARRAY_SIZE(broadcast_streams); i++) { + for (size_t i = 0U; i < stream_count; i++) { k_sem_take(&sem_broadcast_started, K_FOREVER); } /* Initialize sending */ - for (size_t i = 0U; i < ARRAY_SIZE(broadcast_streams); i++) { - for (unsigned int j = 0U; j < BROADCAST_ENQUEUE_COUNT; j++) { - struct audio_test_stream *test_stream = &broadcast_source_streams[i]; + for (size_t i = 0U; i < stream_count; i++) { + struct audio_test_stream *test_stream = &broadcast_source_streams[i]; + + test_stream->tx_active = true; - test_stream->tx_active = true; - broadcast_sent_cb(&broadcast_streams[i]->bap_stream); + for (unsigned int j = 0U; j < BROADCAST_ENQUEUE_COUNT; j++) { + broadcast_sent_cb(bap_stream_from_audio_test_stream(test_stream)); } } - /* Keeping running for a little while */ - k_sleep(K_SECONDS(5)); + /* Wait for other devices to have received what they wanted */ + backchannel_sync_wait_any(); test_broadcast_audio_update_inval(broadcast_source); test_broadcast_audio_update(broadcast_source); @@ -606,6 +658,171 @@ static void test_main_cap_initiator_broadcast(void) PASS("CAP initiator broadcast passed\n"); } +static int test_cap_initiator_ac(const struct cap_initiator_ac_param *param) +{ + struct bt_cap_initiator_broadcast_stream_param stream_params[CAP_AC_MAX_STREAM] = {0}; + uint8_t stereo_data[] = { + BT_AUDIO_CODEC_DATA(BT_AUDIO_CODEC_CONFIG_LC3_CHAN_ALLOC, + BT_AUDIO_LOCATION_FRONT_RIGHT | BT_AUDIO_LOCATION_FRONT_LEFT)}; + uint8_t right_data[] = {BT_AUDIO_CODEC_DATA(BT_AUDIO_CODEC_CONFIG_LC3_CHAN_ALLOC, + BT_AUDIO_LOCATION_FRONT_RIGHT)}; + uint8_t left_data[] = {BT_AUDIO_CODEC_DATA(BT_AUDIO_CODEC_CONFIG_LC3_CHAN_ALLOC, + BT_AUDIO_LOCATION_FRONT_LEFT)}; + struct bt_cap_initiator_broadcast_subgroup_param subgroup_param = {0}; + struct bt_cap_initiator_broadcast_create_param create_param = {0}; + struct bt_cap_broadcast_source *broadcast_source; + struct bt_audio_codec_cfg codec_cfg; + struct bt_audio_codec_qos qos; + struct bt_le_ext_adv *adv; + int err; + + for (size_t i = 0U; i < param->stream_cnt; i++) { + stream_params[i].stream = + cap_stream_from_audio_test_stream(&broadcast_source_streams[i]); + + if (param->stream_cnt == 1U) { + stream_params[i].data_len = ARRAY_SIZE(stereo_data); + stream_params[i].data = stereo_data; + } else if (i == 0U) { + stream_params[i].data_len = ARRAY_SIZE(left_data); + stream_params[i].data = left_data; + } else if (i == 1U) { + stream_params[i].data_len = ARRAY_SIZE(right_data); + stream_params[i].data = right_data; + } + } + + memcpy(&codec_cfg, &named_preset->preset.codec_cfg, sizeof(codec_cfg)); + memcpy(&qos, &named_preset->preset.qos, sizeof(qos)); + qos.sdu *= param->chan_cnt; + + subgroup_param.stream_count = param->stream_cnt; + subgroup_param.stream_params = stream_params; + subgroup_param.codec_cfg = &codec_cfg; + create_param.subgroup_count = 1U; + create_param.subgroup_params = &subgroup_param; + create_param.qos = &qos; + + init(); + setup_extended_adv(&adv); + + err = bt_cap_initiator_broadcast_audio_create(&create_param, &broadcast_source); + if (err != 0) { + FAIL("Failed to create broadcast source: %d\n", err); + return -ENOEXEC; + } + + stream_count = param->stream_cnt; + for (size_t i = 0U; i < stream_count; i++) { + struct audio_test_stream *test_stream = &broadcast_source_streams[i]; + + test_stream->tx_sdu_size = create_param.qos->sdu; + } + + test_broadcast_audio_start(broadcast_source, adv); + setup_extended_adv_data(broadcast_source, adv); + start_extended_adv(adv); + + /* Wait for all to be started */ + printk("Waiting for broadcast_streams to be started\n"); + for (size_t i = 0U; i < stream_count; i++) { + k_sem_take(&sem_broadcast_started, K_FOREVER); + } + + /* Initialize sending */ + for (size_t i = 0U; i < stream_count; i++) { + struct audio_test_stream *test_stream = &broadcast_source_streams[i]; + + test_stream->tx_active = true; + + for (unsigned int j = 0U; j < BROADCAST_ENQUEUE_COUNT; j++) { + broadcast_sent_cb(bap_stream_from_audio_test_stream(test_stream)); + } + } + + /* Wait for other devices to have received what they wanted */ + backchannel_sync_wait_any(); + + test_broadcast_audio_stop(broadcast_source); + + test_broadcast_audio_delete(broadcast_source); + broadcast_source = NULL; + + stop_and_delete_extended_adv(adv); + adv = NULL; + + PASS("CAP initiator broadcast passed\n"); + + return 0; +} + +static void test_cap_initiator_ac_12(void) +{ + const struct cap_initiator_ac_param param = { + .name = "ac_12", + .stream_cnt = 1U, + .chan_cnt = 1U, + .named_preset = named_preset, + }; + + test_cap_initiator_ac(¶m); +} + +#if BROADCAST_STREMT_CNT >= CAP_AC_MAX_STREAM +static void test_cap_initiator_ac_13(void) +{ + const struct cap_initiator_ac_param param = { + .name = "ac_13", + .stream_cnt = 2U, + .chan_cnt = 1U, + .named_preset = named_preset, + }; + + test_cap_initiator_ac(¶m); +} +#endif /* BROADCAST_STREMT_CNT >= CAP_AC_MAX_STREAM */ + +static void test_cap_initiator_ac_14(void) +{ + const struct cap_initiator_ac_param param = { + .name = "ac_14", + .stream_cnt = 1U, + .chan_cnt = 2U, + .named_preset = named_preset, + }; + + test_cap_initiator_ac(¶m); +} + +static const struct named_lc3_preset *cap_get_named_preset(const char *preset_arg) +{ + for (size_t i = 0U; i < ARRAY_SIZE(lc3_broadcast_presets); i++) { + if (strcmp(preset_arg, lc3_broadcast_presets[i].name) == 0) { + return &lc3_broadcast_presets[i]; + } + } + + return NULL; +} + +static void test_args(int argc, char *argv[]) +{ + for (size_t argn = 0; argn < argc; argn++) { + const char *arg = argv[argn]; + + if (strcmp(arg, "preset") == 0) { + const char *preset_arg = argv[++argn]; + + named_preset = cap_get_named_preset(preset_arg); + if (named_preset == NULL) { + FAIL("Failed to get preset from %s\n", preset_arg); + } + } else { + FAIL("Invalid arg: %s\n", arg); + } + } +} + static const struct bst_test_instance test_cap_initiator_broadcast[] = { { .test_id = "cap_initiator_broadcast", @@ -613,6 +830,29 @@ static const struct bst_test_instance test_cap_initiator_broadcast[] = { .test_tick_f = test_tick, .test_main_f = test_main_cap_initiator_broadcast, }, + { + .test_id = "cap_initiator_ac_12", + .test_post_init_f = test_init, + .test_tick_f = test_tick, + .test_main_f = test_cap_initiator_ac_12, + .test_args_f = test_args, + }, +#if BROADCAST_STREMT_CNT >= CAP_AC_MAX_STREAM + { + .test_id = "cap_initiator_ac_13", + .test_post_init_f = test_init, + .test_tick_f = test_tick, + .test_main_f = test_cap_initiator_ac_13, + .test_args_f = test_args, + }, +#endif /* BROADCAST_STREMT_CNT >= CAP_AC_MAX_STREAM */ + { + .test_id = "cap_initiator_ac_14", + .test_post_init_f = test_init, + .test_tick_f = test_tick, + .test_main_f = test_cap_initiator_ac_14, + .test_args_f = test_args, + }, BSTEST_END_MARKER, }; diff --git a/tests/bsim/bluetooth/audio/src/cap_initiator_unicast_test.c b/tests/bsim/bluetooth/audio/src/cap_initiator_unicast_test.c index b555af8b99b..37c175d8d55 100644 --- a/tests/bsim/bluetooth/audio/src/cap_initiator_unicast_test.c +++ b/tests/bsim/bluetooth/audio/src/cap_initiator_unicast_test.c @@ -918,7 +918,7 @@ static void test_cap_initiator_unicast_timeout(void) PASS("CAP initiator unicast timeout passed\n"); } -const struct named_lc3_preset *cap_get_named_preset(const char *preset_arg) +static const struct named_lc3_preset *cap_get_named_preset(const char *preset_arg) { for (size_t i = 0U; i < ARRAY_SIZE(lc3_unicast_presets); i++) { if (strcmp(preset_arg, lc3_unicast_presets[i].name) == 0) { diff --git a/tests/bsim/bluetooth/audio/src/common.h b/tests/bsim/bluetooth/audio/src/common.h index cbb3d2af2fa..d39cfcd656b 100644 --- a/tests/bsim/bluetooth/audio/src/common.h +++ b/tests/bsim/bluetooth/audio/src/common.h @@ -48,6 +48,23 @@ static const uint8_t mock_iso_data[] = { 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf, 0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef, 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, + 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, + 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, + 0x1f, 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, + 0x2e, 0x2f, 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3a, 0x3b, 0x3c, + 0x3d, 0x3e, 0x3f, 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4a, 0x4b, + 0x4c, 0x4d, 0x4e, 0x4f, 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5a, + 0x5b, 0x5c, 0x5d, 0x5e, 0x5f, 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, + 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, + 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f, 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, + 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f, 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, + 0x97, 0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f, 0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, + 0xa6, 0xa7, 0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf, 0xb0, 0xb1, 0xb2, 0xb3, 0xb4, + 0xb5, 0xb6, 0xb7, 0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf, 0xc0, 0xc1, 0xc2, 0xc3, + 0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, 0xd0, 0xd1, 0xd2, + 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf, 0xe0, 0xe1, + 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef, 0xf0, + 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, }; #define MIN_SEND_COUNT 100 diff --git a/tests/bsim/bluetooth/audio/test_scripts/_cap.sh b/tests/bsim/bluetooth/audio/test_scripts/_cap.sh index 2afa116b889..c4e3ddec197 100755 --- a/tests/bsim/bluetooth/audio/test_scripts/_cap.sh +++ b/tests/bsim/bluetooth/audio/test_scripts/_cap.sh @@ -13,6 +13,9 @@ $dir_path/cap_unicast_inval.sh $dir_path/cap_unicast.sh $dir_path/cap_broadcast.sh +$dir_path/cap_broadcast_ac_12.sh +$dir_path/cap_broadcast_ac_13.sh +$dir_path/cap_broadcast_ac_14.sh $dir_path/cap_unicast_ac_1.sh $dir_path/cap_unicast_ac_2.sh diff --git a/tests/bsim/bluetooth/audio/test_scripts/cap_broadcast_ac_12.sh b/tests/bsim/bluetooth/audio/test_scripts/cap_broadcast_ac_12.sh new file mode 100755 index 00000000000..ecfd5391da4 --- /dev/null +++ b/tests/bsim/bluetooth/audio/test_scripts/cap_broadcast_ac_12.sh @@ -0,0 +1,69 @@ +#!/usr/bin/env bash +# +# Copyright (c) 2024 Nordic Semiconductor ASA +# +# SPDX-License-Identifier: Apache-2.0 + +SIMULATION_ID="cap_unicast_ac_12" +VERBOSITY_LEVEL=2 +EXECUTE_TIMEOUT=60 + +source ${ZEPHYR_BASE}/tests/bsim/sh_common.source + +cd ${BSIM_OUT_PATH}/bin + +function Execute_AC_12() { + printf "\n\n======== Running CAP AC_12 with %s =========\n\n" $1 + + Execute ./bs_${BOARD}_tests_bsim_bluetooth_audio_prj_conf \ + -v=${VERBOSITY_LEVEL} -s=${SIMULATION_ID} -d=0 -testid=cap_initiator_ac_12 \ + -RealEncryption=1 -rs=23 -D=2 -argstest preset $1 + + Execute ./bs_${BOARD}_tests_bsim_bluetooth_audio_prj_conf \ + -v=${VERBOSITY_LEVEL} -s=${SIMULATION_ID} -d=1 -testid=cap_acceptor_broadcast \ + -RealEncryption=1 -rs=46 -D=2 + + # Simulation time should be larger than the WAIT_TIME in common.h + Execute ./bs_2G4_phy_v1 -v=${VERBOSITY_LEVEL} -s=${SIMULATION_ID} \ + -D=2 -sim_length=60e6 ${@:2} + + wait_for_background_jobs +} + +set -e # Exit on error + +# Low latency tests +Execute_AC_12 8_1_1 +Execute_AC_12 8_2_1 +Execute_AC_12 16_1_1 +Execute_AC_12 16_2_1 +Execute_AC_12 24_1_1 +Execute_AC_12 24_2_1 +Execute_AC_12 32_1_1 +Execute_AC_12 32_2_1 +# Execute_AC_12 441_1_1 # BT_ISO_FLAGS_ERROR +Execute_AC_12 441_2_1 +# Execute_AC_12 48_1_1 # BT_ISO_FLAGS_ERROR +Execute_AC_12 48_2_1 +# Execute_AC_12 48_3_1 # BT_ISO_FLAGS_ERROR +Execute_AC_12 48_4_1 +# Execute_AC_12 48_5_1 # BT_ISO_FLAGS_ERROR +Execute_AC_12 48_6_1 + +# High reliability +# Execute_AC_12 8_1_2 # BT_ISO_FLAGS_ERROR +# Execute_AC_12 8_2_2 # BT_ISO_FLAGS_ERROR +# Execute_AC_12 16_1_2 # BT_ISO_FLAGS_ERROR +# Execute_AC_12 16_2_2 # BT_ISO_FLAGS_ERROR +# Execute_AC_12 24_1_2 # BT_ISO_FLAGS_ERROR +# Execute_AC_12 24_2_2 # BT_ISO_FLAGS_ERROR +# Execute_AC_12 32_1_2 # BT_ISO_FLAGS_ERROR +# Execute_AC_12 32_2_2 # BT_ISO_FLAGS_ERROR +# Execute_AC_12 441_1_2 # BT_ISO_FLAGS_ERROR +# Execute_AC_12 441_2_2 # BT_ISO_FLAGS_ERROR +# Execute_AC_12 48_1_2 # BT_ISO_FLAGS_ERROR +# Execute_AC_12 48_2_2 # BT_ISO_FLAGS_ERROR +# Execute_AC_12 48_3_2 # BT_ISO_FLAGS_ERROR +# Execute_AC_12 48_4_2 # BT_ISO_FLAGS_ERROR +# Execute_AC_12 48_5_2 # BT_ISO_FLAGS_ERROR +# Execute_AC_12 48_6_2 # BT_ISO_FLAGS_ERROR diff --git a/tests/bsim/bluetooth/audio/test_scripts/cap_broadcast_ac_13.sh b/tests/bsim/bluetooth/audio/test_scripts/cap_broadcast_ac_13.sh new file mode 100755 index 00000000000..dd1859cbda4 --- /dev/null +++ b/tests/bsim/bluetooth/audio/test_scripts/cap_broadcast_ac_13.sh @@ -0,0 +1,68 @@ +#!/usr/bin/env bash +# +# Copyright (c) 2024 Nordic Semiconductor ASA +# +# SPDX-License-Identifier: Apache-2.0 + +SIMULATION_ID="cap_unicast_ac_13" +VERBOSITY_LEVEL=2 +EXECUTE_TIMEOUT=60 + +source ${ZEPHYR_BASE}/tests/bsim/sh_common.source + +cd ${BSIM_OUT_PATH}/bin + +function Execute_AC_13() { + printf "\n\n======== Running CAP AC_13 with %s =========\n\n" $1 + + Execute ./bs_${BOARD}_tests_bsim_bluetooth_audio_prj_conf \ + -v=${VERBOSITY_LEVEL} -s=${SIMULATION_ID} -d=0 -testid=cap_initiator_ac_13 \ + -RealEncryption=1 -rs=23 -D=2 -argstest preset $1 + + Execute ./bs_${BOARD}_tests_bsim_bluetooth_audio_prj_conf \ + -v=${VERBOSITY_LEVEL} -s=${SIMULATION_ID} -d=1 -testid=cap_acceptor_broadcast \ + -RealEncryption=1 -rs=46 -D=2 + + # Simulation time should be larger than the WAIT_TIME in common.h + Execute ./bs_2G4_phy_v1 -v=${VERBOSITY_LEVEL} -s=${SIMULATION_ID} \ + -D=2 -sim_length=60e6 ${@:2} + + wait_for_background_jobs +} + +set -e # Exit on error + +# Execute_AC_13 8_1_1 # BT_ISO_FLAGS_ERROR +Execute_AC_13 8_2_1 +# Execute_AC_13 16_1_1 # BT_ISO_FLAGS_ERROR +Execute_AC_13 16_2_1 +# Execute_AC_13 24_1_1 # BT_ISO_FLAGS_ERROR +Execute_AC_13 24_2_1 +# Execute_AC_13 32_1_1 # BT_ISO_FLAGS_ERROR +Execute_AC_13 32_2_1 +# Execute_AC_13 441_1_1 # BT_ISO_FLAGS_ERROR +# Execute_AC_13 441_2_1 # BT_ISO_FLAGS_ERROR +# Execute_AC_13 48_1_1 # BT_ISO_FLAGS_ERROR +# Execute_AC_13 48_2_1 # BT_ISO_FLAGS_ERROR +# Execute_AC_13 48_3_1 # BT_ISO_FLAGS_ERROR +# Execute_AC_13 48_4_1 # BT_ISO_FLAGS_ERROR +# Execute_AC_13 48_5_1 # BT_ISO_FLAGS_ERROR +# Execute_AC_13 48_6_1 # BT_ISO_FLAGS_ERROR + +# High reliability +# Execute_AC_13 8_1_2 # BT_ISO_FLAGS_ERROR +# Execute_AC_13 8_2_2 # BT_ISO_FLAGS_ERROR +# Execute_AC_13 16_1_2 # BT_ISO_FLAGS_ERROR +# Execute_AC_13 16_2_2 # BT_ISO_FLAGS_ERROR +# Execute_AC_13 24_1_2 # BT_ISO_FLAGS_ERROR +# Execute_AC_13 24_2_2 # BT_ISO_FLAGS_ERROR +# Execute_AC_13 32_1_2 # BT_ISO_FLAGS_ERROR +# Execute_AC_13 32_2_2 # BT_ISO_FLAGS_ERROR +# Execute_AC_13 441_1_2 # BT_ISO_FLAGS_ERROR +# Execute_AC_13 441_2_2 # BT_ISO_FLAGS_ERROR +# Execute_AC_13 48_1_2 # BT_ISO_FLAGS_ERROR +# Execute_AC_13 48_2_2 # BT_ISO_FLAGS_ERROR +# Execute_AC_13 48_3_2 # BT_ISO_FLAGS_ERROR +# Execute_AC_13 48_4_2 # BT_ISO_FLAGS_ERROR +# Execute_AC_13 48_5_2 # BT_ISO_FLAGS_ERROR +# Execute_AC_13 48_6_2 # BT_ISO_FLAGS_ERROR diff --git a/tests/bsim/bluetooth/audio/test_scripts/cap_broadcast_ac_14.sh b/tests/bsim/bluetooth/audio/test_scripts/cap_broadcast_ac_14.sh new file mode 100755 index 00000000000..2b0735cd911 --- /dev/null +++ b/tests/bsim/bluetooth/audio/test_scripts/cap_broadcast_ac_14.sh @@ -0,0 +1,69 @@ +#!/usr/bin/env bash +# +# Copyright (c) 2024 Nordic Semiconductor ASA +# +# SPDX-License-Identifier: Apache-2.0 + +SIMULATION_ID="cap_unicast_ac_14" +VERBOSITY_LEVEL=2 +EXECUTE_TIMEOUT=60 + +source ${ZEPHYR_BASE}/tests/bsim/sh_common.source + +cd ${BSIM_OUT_PATH}/bin + +function Execute_AC_14() { + printf "\n\n======== Running CAP AC_14 with %s =========\n\n" $1 + + Execute ./bs_${BOARD}_tests_bsim_bluetooth_audio_prj_conf \ + -v=${VERBOSITY_LEVEL} -s=${SIMULATION_ID} -d=0 -testid=cap_initiator_ac_14 \ + -RealEncryption=1 -rs=23 -D=2 -argstest preset $1 + + Execute ./bs_${BOARD}_tests_bsim_bluetooth_audio_prj_conf \ + -v=${VERBOSITY_LEVEL} -s=${SIMULATION_ID} -d=1 -testid=cap_acceptor_broadcast \ + -RealEncryption=1 -rs=46 -D=2 + + # Simulation time should be larger than the WAIT_TIME in common.h + Execute ./bs_2G4_phy_v1 -v=${VERBOSITY_LEVEL} -s=${SIMULATION_ID} \ + -D=2 -sim_length=60e6 ${@:2} + + wait_for_background_jobs +} + +set -e # Exit on error + +# Low latency tests +Execute_AC_14 8_1_1 +Execute_AC_14 8_2_1 +Execute_AC_14 16_1_1 +Execute_AC_14 16_2_1 +Execute_AC_14 24_1_1 +Execute_AC_14 24_2_1 +Execute_AC_14 32_1_1 +Execute_AC_14 32_2_1 +# Execute_AC_14 441_1_1 # BT_ISO_FLAGS_ERROR +# Execute_AC_14 441_2_1 # Failed to create BIG: -22 +# Execute_AC_14 48_1_1 # BT_ISO_FLAGS_ERROR +Execute_AC_14 48_2_1 +# Execute_AC_14 48_3_1 # BT_ISO_FLAGS_ERROR +Execute_AC_14 48_4_1 +# Execute_AC_14 48_5_1 # BT_ISO_FLAGS_ERROR +# Execute_AC_14 48_6_1 # Failed to create BIG: -22 + +# High reliability +# Execute_AC_14 8_1_2 # BT_ISO_FLAGS_ERROR +# Execute_AC_14 8_2_2 # BT_ISO_FLAGS_ERROR +# Execute_AC_14 16_1_2 # BT_ISO_FLAGS_ERROR +# Execute_AC_14 16_2_2 # BT_ISO_FLAGS_ERROR +# Execute_AC_14 24_1_2 # BT_ISO_FLAGS_ERROR +# Execute_AC_14 24_2_2 # BT_ISO_FLAGS_ERROR +# Execute_AC_14 32_1_2 # BT_ISO_FLAGS_ERROR +# Execute_AC_14 32_2_2 # BT_ISO_FLAGS_ERROR +# Execute_AC_14 441_1_2 # BT_ISO_FLAGS_ERROR +# Execute_AC_14 441_2_2 # BT_ISO_FLAGS_ERROR +# Execute_AC_14 48_1_2 # BT_ISO_FLAGS_ERROR +# Execute_AC_14 48_2_2 # BT_ISO_FLAGS_ERROR +# Execute_AC_14 48_3_2 # BT_ISO_FLAGS_ERROR +# Execute_AC_14 48_4_2 # BT_ISO_FLAGS_ERROR +# Execute_AC_14 48_5_2 # BT_ISO_FLAGS_ERROR +# Execute_AC_14 48_6_2 # BT_ISO_FLAGS_ERROR