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samples: Bluetooth: central_hr extended advertising support

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Update central_hr sample to support using extended
advertising and hence be long range compatible on SoCs
that support Bluetooth Low Energy Coded PHY.

Signed-off-by: Vinayak Kariappa Chettimada <vich@nordicsemi.no>
This commit is contained in:
Vinayak Kariappa Chettimada 2024-03-14 21:25:03 +01:00 committed by Fabio Baltieri
parent bdf6230236
commit b7012f1555
4 changed files with 82 additions and 9 deletions
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6
samples/bluetooth/central_hr/overlay-extended.conf Normal file
View file

@ -0,0 +1,6 @@
CONFIG_BT_EXT_ADV=y
# Increase Scan Data Length, as Complete Local Name is placed in the
# AUX_ADV_IND PDU compared to when it is placed in ADV_SCAN_IND PDU in the case
# of legacy advertising.
CONFIG_BT_CTLR_SCAN_DATA_LEN_MAX=36

12
samples/bluetooth/central_hr/overlay-phy_coded.conf Normal file
View file

@ -0,0 +1,12 @@
CONFIG_BT_EXT_ADV=y
# Enable Coded PHY support
CONFIG_BT_CTLR_PHY_CODED=y
# Disable auto PHY update, to switch to 2M PHY
CONFIG_BT_AUTO_PHY_UPDATE=n
# Increase Scan Data Length, as Complete Local Name is placed in the
# AUX_ADV_IND PDU compared to when it is placed in ADV_SCAN_IND PDU in the case
# of legacy advertising.
CONFIG_BT_CTLR_SCAN_DATA_LEN_MAX=36

32
samples/bluetooth/central_hr/sample.yaml
View file

@ -5,3 +5,35 @@ tests:
arch_allow: x86
harness: bluetooth
tags: bluetooth
sample.bluetooth.central_hr.bt_ll_sw_split.extended:
harness: bluetooth
platform_allow:
- nrf52_bsim
- nrf5340bsim/nrf5340/cpuapp
- nrf52dk/nrf52832
- nrf52840dk/nrf52840
- nrf5340dk/nrf5340/cpuapp
integration_platforms:
- nrf52_bsim
- nrf5340bsim/nrf5340/cpuapp
- nrf52dk/nrf52832
- nrf52840dk/nrf52840
- nrf5340dk/nrf5340/cpuapp
extra_args: EXTRA_CONF_FILE=overlay-extended.conf
tags: bluetooth
sample.bluetooth.central_hr.bt_ll_sw_split.phy_coded:
harness: bluetooth
platform_allow:
- nrf52_bsim
- nrf5340bsim/nrf5340/cpuapp
- nrf52dk/nrf52832
- nrf52840dk/nrf52840
- nrf5340dk/nrf5340/cpuapp
integration_platforms:
- nrf52_bsim
- nrf5340bsim/nrf5340/cpuapp
- nrf52dk/nrf52832
- nrf52840dk/nrf52840
- nrf5340dk/nrf5340/cpuapp
extra_args: EXTRA_CONF_FILE=overlay-phy_coded.conf
tags: bluetooth

41
samples/bluetooth/central_hr/src/main.c
View file

@ -112,6 +112,7 @@ static bool eir_found(struct bt_data *data, void *user_data)
}
for (i = 0; i < data->data_len; i += sizeof(uint16_t)) {
struct bt_conn_le_create_param *create_param;
struct bt_le_conn_param *param;
const struct bt_uuid *uuid;
uint16_t u16;
@ -129,12 +130,24 @@ static bool eir_found(struct bt_data *data, void *user_data)
continue;
}
printk("Creating connection with Coded PHY support\n");
param = BT_LE_CONN_PARAM_DEFAULT;
err = bt_conn_le_create(addr, BT_CONN_LE_CREATE_CONN,
param, &default_conn);
create_param = BT_CONN_LE_CREATE_CONN;
create_param->options |= BT_CONN_LE_OPT_CODED;
err = bt_conn_le_create(addr, create_param, param,
&default_conn);
if (err) {
printk("Create conn failed (err %d)\n", err);
start_scan();
printk("Create connection with Coded PHY support failed (err %d)\n",
err);
printk("Creating non-Coded PHY connection\n");
create_param->options &= ~BT_CONN_LE_OPT_CODED;
err = bt_conn_le_create(addr, create_param,
param, &default_conn);
if (err) {
printk("Create connection failed (err %d)\n", err);
start_scan();
}
}
return false;
@ -153,9 +166,12 @@ static void device_found(const bt_addr_le_t *addr, int8_t rssi, uint8_t type,
printk("[DEVICE]: %s, AD evt type %u, AD data len %u, RSSI %i\n",
dev, type, ad->len, rssi);
/* We're only interested in connectable events */
/* We're only interested in legacy connectable events or
* possible extended advertising that are connectable.
*/
if (type == BT_GAP_ADV_TYPE_ADV_IND ||
type == BT_GAP_ADV_TYPE_ADV_DIRECT_IND) {
type == BT_GAP_ADV_TYPE_ADV_DIRECT_IND ||
type == BT_GAP_ADV_TYPE_EXT_ADV) {
bt_data_parse(ad, eir_found, (void *)addr);
}
}
@ -168,15 +184,22 @@ static void start_scan(void)
* devices that might update their advertising data at runtime. */
struct bt_le_scan_param scan_param = {
.type = BT_LE_SCAN_TYPE_ACTIVE,
.options = BT_LE_SCAN_OPT_NONE,
.options = BT_LE_SCAN_OPT_CODED,
.interval = BT_GAP_SCAN_FAST_INTERVAL,
.window = BT_GAP_SCAN_FAST_WINDOW,
};
err = bt_le_scan_start(&scan_param, device_found);
if (err) {
printk("Scanning failed to start (err %d)\n", err);
return;
printk("Scanning with Coded PHY support failed (err %d)\n", err);
printk("Scanning without Coded PHY\n");
scan_param.options &= ~BT_LE_SCAN_OPT_CODED;
err = bt_le_scan_start(&scan_param, device_found);
if (err) {
printk("Scanning failed to start (err %d)\n", err);
return;
}
}
printk("Scanning successfully started\n");