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samples: bluetooth: ble_hrs_peripheral_central: Add sample
Adds the hrs_peripheral_central sample Signed-off-by: Sondre Pettersen <sondre.pettersen@nordicsemi.no> Co-authored-by: Asil Zogby <asil.zogby@nordicsemi.no>
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‎samples/bluetooth/ble_hrs_peripheral_central/CMakeLists.txt‎

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#
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# Copyright (c) 2024 Nordic Semiconductor ASA
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#
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# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
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#
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cmake_minimum_required(VERSION 3.20.0)
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find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
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project(ble_hrs_peripheral_central)
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target_sources(app PRIVATE src/main.c)

‎samples/bluetooth/ble_hrs_peripheral_central/Kconfig‎

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#
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# Copyright (c) 2024 Nordic Semiconductor ASA
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#
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# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
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#
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menu "BLE HRS peripheral central sample"
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config SAMPLE_BLE_DEVICE_NAME
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string "Device name"
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default "nRF_BM_HRS_Hub"
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config SAMPLE_USE_TARGET_PERIPHERAL_NAME
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bool "Use target peripheral name"
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default y
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if SAMPLE_USE_TARGET_PERIPHERAL_NAME
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config SAMPLE_TARGET_PERIPHERAL_NAME
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string "Target peripheral name"
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default "nRF_BM_HRS"
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endif # SAMPLE_USE_TARGET_PERIPHERAL_NAME
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config SAMPLE_USE_TARGET_PERIPHERAL_ADDR
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bool "Use target peripheral address"
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if SAMPLE_USE_TARGET_PERIPHERAL_ADDR
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config SAMPLE_TARGET_PERIPHERAL_ADDR
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hex "Target peripheral address"
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range 0x0 0xffffffffffff
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default 0x78E7F806C5D8
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endif # SAMPLE_USE_TARGET_PERIPHERAL_ADDR
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module=SAMPLE_BLE_HRS_PERIPHERAL_CENTRAL
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module-str=BLE Heart Rate Peripheral Central Service Sample
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source "$(ZEPHYR_BASE)/subsys/logging/Kconfig.template.log_config"
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endmenu # "BLE HRS peripheral central sample"
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source "Kconfig.zephyr"

‎samples/bluetooth/ble_hrs_peripheral_central/README.rst‎

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.. _ble_hrs_central_sample:
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Bluetooth: Heart Rate Service Peripheral Central
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################################################
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.. contents::
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:local:
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:depth: 2
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The Heart Rate Service Peripheral Central sample demonstrates how you can implement the Heart Rate profile as a server and client using |BMlong|.
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Requirements
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************
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The sample supports the following development kits:
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.. tabs::
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.. group-tab:: Simple board variants
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The following board variants do **not** have DFU capabilities:
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.. list-table::
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:header-rows: 1
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* - Hardware platform
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- PCA
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- SoftDevice
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- Board target
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* - `nRF54L15 DK`_
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- PCA10156
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- S145
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- bm_nrf54l15dk/nrf54l15/cpuapp/s145_softdevice
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* - `nRF54L15 DK`_ (emulating nRF54L10)
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- PCA10156
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- S145
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- bm_nrf54l15dk/nrf54l10/cpuapp/s145_softdevice
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* - `nRF54L15 DK`_ (emulating nRF54L05)
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- PCA10156
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- S145
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- bm_nrf54l15dk/nrf54l05/cpuapp/s145_softdevice
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.. group-tab:: MCUboot board variants
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The following board variants have DFU capabilities:
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.. list-table::
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:header-rows: 1
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* - Hardware platform
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- PCA
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- SoftDevice
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- Board target
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* - `nRF54L15 DK`_
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- PCA10156
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- S145
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- bm_nrf54l15dk/nrf54l15/cpuapp/s145_softdevice/mcuboot
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* - `nRF54L15 DK`_ (emulating nRF54L10)
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- PCA10156
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- S145
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- bm_nrf54l15dk/nrf54l10/cpuapp/s145_softdevice/mcuboot
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* - `nRF54L15 DK`_ (emulating nRF54L05)
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- PCA10156
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- S145
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- bm_nrf54l15dk/nrf54l05/cpuapp/s145_softdevice/mcuboot
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Overview
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********
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This sample advertises and scans for devices that advertise with the :ref:`lib_ble_service_hrs` UUID (0x180D) and initiates a connection when a device is found.
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When a peripheral device is connected, the sample starts the service discovery procedure.
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If this succeeds, the sample subscribes to the Heart Rate Measurement characteristic to receive heart rate notifications.
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If a client connects to this device the client subscribes to the Heart Rate Measurement characteristic to receive heart rate notifications forwarded from the peripheral device.
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.. _ble_hrs_peripheral_central_sample_testing:
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User interface
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**************
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Button 0:
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Press to disable allow list.
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Button 1:
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Press to disconnect from the connected peripheral device.
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Keep the button pressed while resetting the board to delete bonding information for all peers stored on the device.
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Button 2:
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Press to disconnect from the connected client device.
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Keep the button pressed while resetting the board to delete bonding information for all peers stored on the device.
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LED 0:
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Lit when the device is initialized.
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LED 1:
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Lit when a peripheral device is connected.
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LED 2:
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Lit when a client device is connected.
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Building and running
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********************
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This sample can be found under :file:`samples/bluetooth/ble_hrs_peripheral_central/` in the |BMshort| folder structure.
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For details on how to create, configure, and program a sample, see :ref:`getting_started_with_the_samples`.
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Testing
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=======
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This sample requires three devices to test, one running this sample, another one running the :ref:`ble_hrs_sample` sample, and another running the :ref:`ble_hrs_central_sample`.
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Complete the following steps to test the sample:
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1. Compile and program the application.
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#. In the Serial Terminal, observe that the ``Advertising as nRF_BM_HRS_Hub`` message is printed.
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You can configure the advertising name using the :kconfig:option:`CONFIG_SAMPLE_BLE_DEVICE_NAME` Kconfig option.
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For information on how to do this, see `Configuring Kconfig`_.
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#. Observe that the ``BLE HRS Peripheral Central sample initialized`` message is printed.
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#. Program the second development kit with the :ref:`ble_hrs_sample` sample.
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#. Program the third development kit with the :ref:`ble_hrs_central_sample` sample, set the :kconfig:option:`CONFIG_SAMPLE_TARGET_PERIPHERAL_NAME` Kconfig option to ``nRF_BM_HRS_Peripheral_Central``, and set the :kconfig:option:`CONFIG_SAMPLE_USE_TARGET_PERIPHERAL_NAME` Kconfig option to ``y``.
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#. Observe that the ``Scan filter match`` message is printed, followed by ``Connecting to target`` and ``Connected``, this will happen twice, once for each peer.
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#. Observe that the ``Heart rate service discovered.`` message is printed.
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#. Observe that the device starts receiving heart rate measurement notifications.
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#. Observe that the ``Sent heart rate to Central`` message is printed.

‎samples/bluetooth/ble_hrs_peripheral_central/prj.conf‎

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# Logging
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CONFIG_LOG=y
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CONFIG_LOG_BACKEND_BM_UARTE=y
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# SoftDevice
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CONFIG_SOFTDEVICE=y
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# SoftDevice handler link counts
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CONFIG_NRF_SDH_BLE_TOTAL_LINK_COUNT=2
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CONFIG_NRF_SDH_BLE_CENTRAL_LINK_COUNT=1
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# Enable RNG
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CONFIG_NRF_SECURITY=y
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CONFIG_MBEDTLS_PSA_CRYPTO_C=y
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CONFIG_PSA_WANT_GENERATE_RANDOM=y
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# Enable Crypto functionality required by LE Secure Connection
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CONFIG_PSA_WANT_ALG_ECDH=y
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CONFIG_PSA_WANT_KEY_TYPE_ECC_KEY_PAIR_GENERATE=y
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CONFIG_PSA_WANT_KEY_TYPE_ECC_KEY_PAIR_IMPORT=y
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CONFIG_PSA_WANT_KEY_TYPE_ECC_KEY_PAIR_EXPORT=y
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CONFIG_PSA_WANT_ECC_SECP_R1_256=y
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CONFIG_MBEDTLS_PSA_STATIC_KEY_SLOTS=y
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CONFIG_MBEDTLS_PSA_KEY_SLOT_COUNT=1
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# Button and timer
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CONFIG_BM_BUTTONS=y
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CONFIG_BM_GPIOTE=y
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CONFIG_BM_TIMER=y
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# BLE Heart rate client
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CONFIG_BLE_HRS_CLIENT=y
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# BLE Heart rate server
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CONFIG_BLE_HRS=y
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# BLE connection parameter
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CONFIG_BLE_CONN_PARAMS=y
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# BLE database discovery
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CONFIG_BLE_DB_DISCOVERY=y
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CONFIG_BLE_GATT_QUEUE=y
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# BLE scan
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CONFIG_BLE_SCAN=y
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CONFIG_BLE_SCAN_UUID_COUNT=2
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CONFIG_BLE_SCAN_ADDRESS_COUNT=1
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CONFIG_BLE_ADV_DATA=y
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# Advertising library
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CONFIG_BLE_ADV=y
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# Peer manager
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CONFIG_PEER_MANAGER=y
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CONFIG_PM_LESC=y
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CONFIG_BM_ZMS=y
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CONFIG_BLE_GQ_MAX_CONNECTIONS=2

‎samples/bluetooth/ble_hrs_peripheral_central/sample.yaml‎

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sample:
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name: Bluetooth LE Heart Rate Peripheral Central Service Sample
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tests:
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sample.ble_hrs_peripheral _central:
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build_only: true
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integration_platforms:
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- bm_nrf54l15dk/nrf54l05/cpuapp/s145_softdevice
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- bm_nrf54l15dk/nrf54l05/cpuapp/s145_softdevice/mcuboot
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platform_allow:
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- bm_nrf54l15dk/nrf54l05/cpuapp/s145_softdevice
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- bm_nrf54l15dk/nrf54l05/cpuapp/s145_softdevice/mcuboot
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- bm_nrf54l15dk/nrf54l10/cpuapp/s145_softdevice
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- bm_nrf54l15dk/nrf54l10/cpuapp/s145_softdevice/mcuboot
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- bm_nrf54l15dk/nrf54l15/cpuapp/s145_softdevice
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- bm_nrf54l15dk/nrf54l15/cpuapp/s145_softdevice/mcuboot
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- bm_nrf54lm20dk/nrf54lm20a/cpuapp/s145_softdevice
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- bm_nrf54ls05dk/nrf54ls05b/cpuapp/s145_softdevice
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- bm_nrf54lv10dk/nrf54lv10a/cpuapp/s145_softdevice
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tags: ci_build
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sample.ble_hrs_peripheral_central.logging_w_hwfc_parity:
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build_only: true
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integration_platforms:
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- bm_nrf54l15dk/nrf54l15/cpuapp/s145_softdevice
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platform_allow:
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- bm_nrf54l15dk/nrf54l05/cpuapp/s145_softdevice
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- bm_nrf54l15dk/nrf54l05/cpuapp/s145_softdevice/mcuboot
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- bm_nrf54l15dk/nrf54l10/cpuapp/s145_softdevice
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- bm_nrf54l15dk/nrf54l10/cpuapp/s145_softdevice/mcuboot
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- bm_nrf54l15dk/nrf54l15/cpuapp/s145_softdevice
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- bm_nrf54l15dk/nrf54l15/cpuapp/s145_softdevice/mcuboot
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- bm_nrf54lm20dk/nrf54lm20a/cpuapp/s145_softdevice
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- bm_nrf54ls05dk/nrf54ls05b/cpuapp/s145_softdevice
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- bm_nrf54lv10dk/nrf54lv10a/cpuapp/s145_softdevice
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extra_configs:
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- CONFIG_BM_UARTE_CONSOLE_UARTE_USE_HWFC=y
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- CONFIG_BM_UARTE_CONSOLE_UARTE_PARITY_INCLUDED=y
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tags: ci_build

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