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samples: Bluetooth: Broadcast multiple legacy and extended advertising #94304

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3db3810
tests: bsim: Bluetooth: Enable similar Controller Kconfig features
cvinayak Aug 11, 2025
b46070f
Bluetooth: Controller: Tune aux offset calculation overhead assertion
cvinayak Aug 9, 2025
3c717d8
samples: Bluetooth: Broadcast multiple legacy and extended advertising
cvinayak Aug 10, 2025
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26 changes: 26 additions & 0 deletions samples/bluetooth/broadcaster_multiple/overlay-bt_ll_sw_split.conf
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Original file line number Diff line number Diff line change
@@ -0,0 +1,26 @@
# Increased to 4 gives one each of legacy, 2M, 1M and Coded PHY advertising sets
CONFIG_BT_EXT_ADV_MAX_ADV_SET=4

# Use Zephyr Bluetooth Low Energy Controller
CONFIG_BT_LL_SW_SPLIT=y

# Enable Coded PHY support in Zephyr Controller, if testing 4 advertising sets
CONFIG_BT_CTLR_PHY_CODED=y

# Zephyr Bluetooth LE Controller will need to use chain PDUs when AD data
# length > 191 bytes
# - 31 bytes will use 22 bytes for the default name in this sample plus 9 bytes
# for manufacturer data
# - 191 bytes will use 22 bytes for the default name in this sample plus 169
# bytes for manufacturer data
# - 277 bytes will use 22 bytes for the default name in this sample plus 255
# bytes for manufacturer data
CONFIG_BT_CTLR_ADV_DATA_LEN_MAX=192

# Increase Advertising PDU buffers to number of advertising sets times the
# number of chain PDUs per advertising set when using Zephyr Bluetooth LE
# Controller
CONFIG_BT_CTLR_ADVANCED_FEATURES=y
CONFIG_BT_CTLR_ADV_RESERVE_MAX=n
CONFIG_BT_CTLR_ADV_DATA_BUF_MAX=6
CONFIG_BT_CTLR_ADV_DATA_CHAIN=y
21 changes: 4 additions & 17 deletions samples/bluetooth/broadcaster_multiple/prj.conf
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Original file line number Diff line number Diff line change
@@ -1,23 +1,10 @@
CONFIG_BT=y
CONFIG_BT_BROADCASTER=y
CONFIG_BT_EXT_ADV=y
CONFIG_BT_EXT_ADV_MAX_ADV_SET=2
CONFIG_BT_DEVICE_NAME="Broadcaster Multiple"

CONFIG_LOG=y

# Zephyr Bluetooth LE Controller will need to use chain PDUs when AD data
# length > 191 bytes
# - 31 bytes will use 22 bytes for the default name in this sample plus 9 bytes
# for manufacturer data
# - 191 bytes will use 22 bytes for the default name in this sample plus 169
# bytes for manufacturer data
# - 277 bytes will use 22 bytes for the default name in this sample plus 255
# bytes for manufacturer data
# CONFIG_BT_CTLR_ADV_DATA_LEN_MAX=192
# Require Bluetooth Advertising Extensions Feature
CONFIG_BT_EXT_ADV=y

# Increase Advertising PDU buffers to number of advertising sets times the
# number of chain PDUs per advertising set when using Zephyr Bluetooth LE
# Controller
# CONFIG_BT_CTLR_ADVANCED_FEATURES=y
# CONFIG_BT_CTLR_ADV_DATA_BUF_MAX=2
# Increased to 4 gives one each of legacy, 2M, 1M and Coded PHY advertising sets
CONFIG_BT_EXT_ADV_MAX_ADV_SET=2
16 changes: 13 additions & 3 deletions samples/bluetooth/broadcaster_multiple/sample.yaml
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@@ -1,14 +1,24 @@
sample:
name: Bluetooth Multiple Extended Advertising Broadcaster
tests:
sample.bluetooth.multiple_broadcast:
sample.bluetooth.broadcaster_multiple:
harness: bluetooth
tags: bluetooth
platform_allow:
- qemu_cortex_m3
- qemu_x86
integration_platforms:
- qemu_cortex_m3
sample.bluetooth.broadcaster_multiple.bt_ll_sw_split:
harness: bluetooth
tags: bluetooth
extra_args:
- EXTRA_CONF_FILE=overlay-bt_ll_sw_split.conf
platform_allow:
- nrf51dk/nrf51822
- nrf52_bsim
- nrf52dk/nrf52832
tags: bluetooth
- nrf52840dk/nrf52840
integration_platforms:
- qemu_cortex_m3
- nrf52dk/nrf52832
- nrf52840dk/nrf52840
83 changes: 69 additions & 14 deletions samples/bluetooth/broadcaster_multiple/src/broadcaster_multiple.c
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Original file line number Diff line number Diff line change
Expand Up @@ -54,50 +54,105 @@
*/
static uint8_t mfg_data[BT_MFG_DATA_LEN] = { 0xFF, 0xFF, };

static const struct bt_data ad[] = {
static const struct bt_data ad_long[] = {
BT_DATA(BT_DATA_MANUFACTURER_DATA, mfg_data, sizeof(mfg_data)),
#if CONFIG_BT_CTLR_ADV_DATA_LEN_MAX > 255
BT_DATA(BT_DATA_MANUFACTURER_DATA, mfg_data, sizeof(mfg_data)),
#endif
BT_DATA(BT_DATA_NAME_COMPLETE, CONFIG_BT_DEVICE_NAME, sizeof(CONFIG_BT_DEVICE_NAME) - 1),
};

static const struct bt_data ad_short[] = {
BT_DATA(BT_DATA_NAME_COMPLETE, CONFIG_BT_DEVICE_NAME, sizeof(CONFIG_BT_DEVICE_NAME) - 1),
};

static struct bt_le_ext_adv *adv[CONFIG_BT_EXT_ADV_MAX_ADV_SET];

int broadcaster_multiple(void)
{
struct bt_le_adv_param adv_param = {
.id = BT_ID_DEFAULT,
.sid = 0U, /* Supply unique SID when creating advertising set */
.secondary_max_skip = 0U,
.options = BT_LE_ADV_OPT_EXT_ADV,
.interval_min = BT_GAP_ADV_FAST_INT_MIN_2,
.interval_max = BT_GAP_ADV_FAST_INT_MAX_2,
.peer = NULL,
};
int err;

/* Create Advertising Sets */
for (int index = 0; index < CONFIG_BT_EXT_ADV_MAX_ADV_SET; index++) {
struct bt_le_adv_param adv_param = {
.id = BT_ID_DEFAULT,
.sid = 0U, /* Supply unique SID when creating advertising set */
.secondary_max_skip = 0U,
.options = BT_LE_ADV_OPT_EXT_ADV,
.interval_min = BT_GAP_ADV_FAST_INT_MIN_2,
.interval_max = BT_GAP_ADV_FAST_INT_MAX_2,
.peer = NULL,
};
const struct adv_param_config {
uint32_t options;
const struct bt_data *ad;
size_t ad_size;
} param_config[] = {
/* Use 1M legacy PDU */
{.options = BT_LE_ADV_OPT_NONE,
.ad = ad_short,
.ad_size = ARRAY_SIZE(ad_short),
},
/* Use 2M auxiliary PDU */
{.options = BT_LE_ADV_OPT_EXT_ADV,
Comment on lines +91 to +97
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This doesn't look like it's following a correct indentation style, where the contents of a new { ... } block should always be indented by one more tab. If you did it like the following it should be correct, and not even add any new lines:

	{ /* Use 1M legacy PDU */
		.options = BT_LE_ADV_OPT_NONE,
		.ad = ad_short,
		.ad_size = ARRAY_SIZE(ad_short),
	},
	{ /* Use 2M auxiliary PDU */
		.options = BT_LE_ADV_OPT_EXT_ADV,
		...

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Thanks, will fix this indentation.

.ad = ad_long,
.ad_size = ARRAY_SIZE(ad_long),
},
/* Use 1M auxiliary PDU */
{.options = BT_LE_ADV_OPT_EXT_ADV | BT_LE_ADV_OPT_NO_2M,
.ad = ad_long,
.ad_size = ARRAY_SIZE(ad_long),
},
/* Use Coded PHY */
{.options = BT_LE_ADV_OPT_EXT_ADV | BT_LE_ADV_OPT_CODED,
.ad = ad_long,
.ad_size = ARRAY_SIZE(ad_long),
},
};
const struct bt_data *ad;
size_t ad_size;

/* Use advertising set instance index as SID */
adv_param.sid = index;

/* Advertising set options, AD and AD array size */
const struct adv_param_config *config =
&param_config[index % ARRAY_SIZE(param_config)];

adv_param.options = config->options;
ad = config->ad;
ad_size = config->ad_size;

ext_adv_create_retry:
/* Create a non-connectable advertising set */
err = bt_le_ext_adv_create(&adv_param, NULL, &adv[index]);
if (err) {
printk("Failed to create advertising set %d (err %d)\n",
index, err);
/* Failed creating Coded PHY advertising set? */
if ((adv_param.options & BT_LE_ADV_OPT_CODED) != 0U) {
printk("Failed to create advertising set %d with Coded PHY "
"(err %d), retry without...\n", index, err);

/* Retry with non-Coded PHY advertising set */
adv_param.options &= ~BT_LE_ADV_OPT_CODED;

goto ext_adv_create_retry;
}

printk("Failed to create advertising set %d (err %d)\n", index, err);
return err;
}

/* Set extended advertising data */
err = bt_le_ext_adv_set_data(adv[index], ad, ARRAY_SIZE(ad),
NULL, 0);
err = bt_le_ext_adv_set_data(adv[index], ad, ad_size, NULL, 0);
if (err) {
printk("Failed to set advertising data for set %d "
"(err %d)\n", index, err);
return err;
}
}

/* Start Advertising Sets */
for (int index = 0; index < CONFIG_BT_EXT_ADV_MAX_ADV_SET; index++) {
/* Start extended advertising set */
err = bt_le_ext_adv_start(adv[index],
BT_LE_EXT_ADV_START_DEFAULT);
Expand Down
18 changes: 17 additions & 1 deletion samples/bluetooth/hci_ipc/nrf5340_cpunet_bis-bt_ll_sw_split.conf
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Expand Up @@ -69,12 +69,24 @@ CONFIG_BT_CTLR_ADV_DATA_BUF_MAX=6

# Increase the below to receive interleaved advertising chains
CONFIG_BT_CTLR_SCAN_AUX_SET=3
CONFIG_BT_CTLR_LOW_LAT_ULL=y
# CONFIG_BT_CTLR_SCAN_AUX_USE_CHAINS=y
# CONFIG_BT_CTLR_SCAN_AUX_CHAIN_COUNT=1
# CONFIG_BT_CTLR_SCAN_AUX_CHAIN_COUNT=3

CONFIG_BT_CTLR_ADV_RESERVE_MAX=n
CONFIG_BT_CTLR_ADV_ISO_RESERVE_MAX=y
CONFIG_BT_CTLR_SCAN_AUX_SYNC_RESERVE_MIN=y
CONFIG_BT_CTLR_SYNC_PERIODIC_SKIP_ON_SCAN_AUX=n
CONFIG_BT_CTLR_SYNC_ISO_RESERVE_MAX=n
CONFIG_BT_CTLR_CENTRAL_RESERVE_MAX=n
CONFIG_BT_CTLR_PERIPHERAL_RESERVE_MAX=n
CONFIG_BT_CTLR_PERIPHERAL_ISO_RESERVE_MAX=n
CONFIG_BT_CTLR_EVENT_OVERHEAD_RESERVE_MAX=y
CONFIG_BT_CTLR_SLOT_RESERVATION_UPDATE=n
CONFIG_BT_CTLR_SCAN_UNRESERVED=y
CONFIG_BT_TICKER_NEXT_SLOT_GET_MATCH=y
CONFIG_BT_TICKER_EXT=y
CONFIG_BT_TICKER_EXT_SLOT_WINDOW_YIELD=y

# Control Procedure
CONFIG_BT_CTLR_LLCP_LOCAL_PROC_CTX_BUF_NUM=6
Expand All @@ -84,6 +96,8 @@ CONFIG_BT_CTLR_ADV_EXT=y
CONFIG_BT_CTLR_ADV_PERIODIC=y
CONFIG_BT_CTLR_SYNC_TRANSFER_SENDER=y
CONFIG_BT_CTLR_ADV_ISO=y
CONFIG_BT_CTLR_ADV_ISO_SEQUENTIAL=y
CONFIG_BT_CTLR_ADV_ISO_INTERLEAVED=y
CONFIG_BT_CTLR_ADV_ISO_SET=2
CONFIG_BT_CTLR_ADV_ISO_STREAM_COUNT=4
CONFIG_BT_CTLR_ADV_ISO_STREAM_MAX=2
Expand All @@ -94,6 +108,8 @@ CONFIG_BT_CTLR_ADV_EXT=y
CONFIG_BT_CTLR_SYNC_PERIODIC=y
CONFIG_BT_CTLR_SYNC_TRANSFER_RECEIVER=y
CONFIG_BT_CTLR_SYNC_ISO=y
CONFIG_BT_CTLR_SYNC_ISO_SEQUENTIAL=y
CONFIG_BT_CTLR_SYNC_ISO_INTERLEAVED=y
CONFIG_BT_CTLR_SCAN_SYNC_ISO_SET=1
CONFIG_BT_CTLR_SYNC_ISO_STREAM_COUNT=2
CONFIG_BT_CTLR_SYNC_ISO_STREAM_MAX=2
Expand Down
11 changes: 8 additions & 3 deletions samples/bluetooth/hci_ipc/nrf5340_cpunet_cis-bt_ll_sw_split.conf
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Expand Up @@ -38,7 +38,7 @@ CONFIG_BT_ISO_MAX_CHAN=4
# is used in the context of IPC which falls into a "Newton's Cradle" effect
# where probably (CONFIG_BT_CTLR_ISO_TX_BUFFERS - CONFIG_BT_ISO_TX_BUF_COUNT)
# buffers get throttled. Hence, always have the value equal or greater.
CONFIG_BT_ISO_TX_BUF_COUNT=12
CONFIG_BT_ISO_TX_BUF_COUNT=6
CONFIG_BT_ISO_RX_BUF_COUNT=1

# Controller
Expand Down Expand Up @@ -66,11 +66,16 @@ CONFIG_BT_CTLR_ADV_DATA_BUF_MAX=6

# Increase the below to receive interleaved advertising chains
CONFIG_BT_CTLR_SCAN_AUX_SET=3
CONFIG_BT_CTLR_LOW_LAT_ULL=y
# CONFIG_BT_CTLR_SCAN_AUX_USE_CHAINS=y
# CONFIG_BT_CTLR_SCAN_AUX_CHAIN_COUNT=1
# CONFIG_BT_CTLR_SCAN_AUX_CHAIN_COUNT=3

CONFIG_BT_CTLR_ADV_RESERVE_MAX=n
CONFIG_BT_CTLR_SCAN_AUX_SYNC_RESERVE_MIN=y
CONFIG_BT_CTLR_SYNC_PERIODIC_SKIP_ON_SCAN_AUX=n
CONFIG_BT_CTLR_CENTRAL_RESERVE_MAX=n
CONFIG_BT_CTLR_PERIPHERAL_RESERVE_MAX=n
CONFIG_BT_CTLR_EVENT_OVERHEAD_RESERVE_MAX=y
CONFIG_BT_CTLR_SLOT_RESERVATION_UPDATE=n
CONFIG_BT_CTLR_SCAN_UNRESERVED=y
CONFIG_BT_TICKER_NEXT_SLOT_GET_MATCH=y
Expand All @@ -91,7 +96,7 @@ CONFIG_BT_CTLR_CONN_ISO_LOW_LATENCY_POLICY=y

# ISO Transmissions
CONFIG_BT_CTLR_ISOAL_SOURCES=2
CONFIG_BT_CTLR_ISO_TX_BUFFERS=12
CONFIG_BT_CTLR_ISO_TX_BUFFERS=6
CONFIG_BT_CTLR_ISO_TX_BUFFER_SIZE=255
CONFIG_BT_CTLR_ISO_TX_SDU_LEN_MAX=247

Expand Down
2 changes: 1 addition & 1 deletion samples/bluetooth/hci_ipc/nrf5340_cpunet_df-bt_ll_sw_split.conf
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Expand Up @@ -55,7 +55,7 @@ CONFIG_BT_CTLR_ADV_DATA_BUF_MAX=6
# Increase the below to receive interleaved advertising chains
CONFIG_BT_CTLR_SCAN_AUX_SET=1
# CONFIG_BT_CTLR_SCAN_AUX_USE_CHAINS=y
# CONFIG_BT_CTLR_SCAN_AUX_CHAIN_COUNT=1
# CONFIG_BT_CTLR_SCAN_AUX_CHAIN_COUNT=3

CONFIG_BT_CTLR_SCAN_UNRESERVED=y
CONFIG_BT_TICKER_NEXT_SLOT_GET_MATCH=y
Expand Down
2 changes: 1 addition & 1 deletion samples/bluetooth/hci_ipc/nrf5340_cpunet_iso-bt_ll_sw_split.conf
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Expand Up @@ -80,7 +80,7 @@ CONFIG_BT_CTLR_ADV_DATA_BUF_MAX=6
CONFIG_BT_CTLR_SCAN_AUX_SET=3
CONFIG_BT_CTLR_LOW_LAT_ULL=y
# CONFIG_BT_CTLR_SCAN_AUX_USE_CHAINS=y
# CONFIG_BT_CTLR_SCAN_AUX_CHAIN_COUNT=1
# CONFIG_BT_CTLR_SCAN_AUX_CHAIN_COUNT=3

CONFIG_BT_CTLR_ADV_RESERVE_MAX=n
CONFIG_BT_CTLR_ADV_ISO_RESERVE_MAX=y
Expand Down
3 changes: 3 additions & 0 deletions samples/bluetooth/hci_ipc/nrf5340_cpunet_iso_broadcast-bt_ll_sw_split.conf
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Expand Up @@ -33,6 +33,8 @@ CONFIG_BT_LL_SW_SPLIT=y
CONFIG_BT_CTLR_ADV_PERIODIC=y
CONFIG_BT_CTLR_ADV_DATA_LEN_MAX=191
CONFIG_BT_CTLR_ADV_ISO=y
CONFIG_BT_CTLR_ADV_ISO_SEQUENTIAL=y
CONFIG_BT_CTLR_ADV_ISO_INTERLEAVED=y
CONFIG_BT_CTLR_ADV_ISO_SET=2
CONFIG_BT_CTLR_ADV_ISO_STREAM_COUNT=4
CONFIG_BT_CTLR_ADV_ISO_STREAM_MAX=2
Expand All @@ -45,3 +47,4 @@ CONFIG_BT_CTLR_ISO_TX_SDU_LEN_MAX=247

CONFIG_BT_CTLR_ADVANCED_FEATURES=y
CONFIG_BT_CTLR_ADV_RESERVE_MAX=n
CONFIG_BT_CTLR_ADV_ISO_RESERVE_MAX=y
4 changes: 2 additions & 2 deletions samples/bluetooth/hci_ipc/nrf5340_cpunet_iso_central-bt_ll_sw_split.conf
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Expand Up @@ -35,7 +35,7 @@ CONFIG_BT_ISO_MAX_CHAN=2
# is used in the context of IPC which falls into a "Newton's Cradle" effect
# where probably (CONFIG_BT_CTLR_ISO_TX_BUFFERS - CONFIG_BT_ISO_TX_BUF_COUNT)
# buffers get throttled. Hence, always have the value equal or greater.
CONFIG_BT_ISO_TX_BUF_COUNT=12
CONFIG_BT_ISO_TX_BUF_COUNT=6
CONFIG_BT_ISO_RX_BUF_COUNT=1

# Controller
Expand All @@ -54,7 +54,7 @@ CONFIG_BT_CTLR_CONN_ISO_LOW_LATENCY_POLICY=y

# ISO Transmissions
CONFIG_BT_CTLR_ISOAL_SOURCES=2
CONFIG_BT_CTLR_ISO_TX_BUFFERS=12
CONFIG_BT_CTLR_ISO_TX_BUFFERS=6
CONFIG_BT_CTLR_ISO_TX_BUFFER_SIZE=255
CONFIG_BT_CTLR_ISO_TX_SDU_LEN_MAX=247

Expand Down
8 changes: 6 additions & 2 deletions samples/bluetooth/hci_ipc/nrf5340_cpunet_iso_peripheral-bt_ll_sw_split.conf
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Expand Up @@ -35,7 +35,7 @@ CONFIG_BT_ISO_MAX_CHAN=2
# is used in the context of IPC which falls into a "Newton's Cradle" effect
# where probably (CONFIG_BT_CTLR_ISO_TX_BUFFERS - CONFIG_BT_ISO_TX_BUF_COUNT)
# buffers get throttled. Hence, always have the value equal or greater.
CONFIG_BT_ISO_TX_BUF_COUNT=12
CONFIG_BT_ISO_TX_BUF_COUNT=6
CONFIG_BT_ISO_RX_BUF_COUNT=1

# Controller
Expand All @@ -54,7 +54,7 @@ CONFIG_BT_CTLR_CONN_ISO_LOW_LATENCY_POLICY=y

# ISO Transmissions
CONFIG_BT_CTLR_ISOAL_SOURCES=2
CONFIG_BT_CTLR_ISO_TX_BUFFERS=12
CONFIG_BT_CTLR_ISO_TX_BUFFERS=6
CONFIG_BT_CTLR_ISO_TX_BUFFER_SIZE=255
CONFIG_BT_CTLR_ISO_TX_SDU_LEN_MAX=247

Expand All @@ -64,3 +64,7 @@ CONFIG_BT_CTLR_ISO_RX_BUFFERS=4

CONFIG_BT_CTLR_ADVANCED_FEATURES=y
CONFIG_BT_CTLR_ADV_RESERVE_MAX=n
CONFIG_BT_CTLR_PERIPHERAL_RESERVE_MAX=n
CONFIG_BT_CTLR_PERIPHERAL_ISO_RESERVE_MAX=n
CONFIG_BT_CTLR_EVENT_OVERHEAD_RESERVE_MAX=y
CONFIG_BT_CTLR_SLOT_RESERVATION_UPDATE=n
2 changes: 2 additions & 0 deletions samples/bluetooth/hci_ipc/nrf5340_cpunet_iso_receive-bt_ll_sw_split.conf
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Expand Up @@ -25,6 +25,8 @@ CONFIG_BT_LL_SW_SPLIT=y
CONFIG_BT_CTLR_SYNC_PERIODIC=y
CONFIG_BT_CTLR_SCAN_DATA_LEN_MAX=191
CONFIG_BT_CTLR_SYNC_ISO=y
CONFIG_BT_CTLR_SYNC_ISO_SEQUENTIAL=y
CONFIG_BT_CTLR_SYNC_ISO_INTERLEAVED=y
CONFIG_BT_CTLR_SCAN_SYNC_ISO_SET=1
CONFIG_BT_CTLR_SYNC_ISO_STREAM_COUNT=2
CONFIG_BT_CTLR_SYNC_ISO_STREAM_MAX=2
Expand Down
2 changes: 1 addition & 1 deletion samples/bluetooth/hci_uart/overlay-all-bt_ll_sw_split.conf
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Expand Up @@ -54,7 +54,7 @@ CONFIG_BT_CTLR_ADV_DATA_BUF_MAX=6
# Increase the below to receive interleaved advertising chains
CONFIG_BT_CTLR_SCAN_AUX_SET=3
# CONFIG_BT_CTLR_SCAN_AUX_USE_CHAINS=y
# CONFIG_BT_CTLR_SCAN_AUX_CHAIN_COUNT=1
# CONFIG_BT_CTLR_SCAN_AUX_CHAIN_COUNT=3

CONFIG_BT_CTLR_ADV_RESERVE_MAX=n
CONFIG_BT_CTLR_ADV_ISO_RESERVE_MAX=y
Expand Down
2 changes: 1 addition & 1 deletion samples/bluetooth/hci_uart_3wire/overlay-all-bt_ll_sw_split.conf
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Expand Up @@ -53,7 +53,7 @@ CONFIG_BT_CTLR_ADV_DATA_BUF_MAX=6
# Increase the below to receive interleaved advertising chains
CONFIG_BT_CTLR_SCAN_AUX_SET=3
# CONFIG_BT_CTLR_SCAN_AUX_USE_CHAINS=y
# CONFIG_BT_CTLR_SCAN_AUX_CHAIN_COUNT=1
# CONFIG_BT_CTLR_SCAN_AUX_CHAIN_COUNT=3

CONFIG_BT_CTLR_ADV_RESERVE_MAX=n
CONFIG_BT_CTLR_ADV_ISO_RESERVE_MAX=y
Expand Down
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