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bluetooth: service: HID service
Add Bluetooth HID service and HID keyboard sample. Signed-off-by: Emanuele Di Santo <[email protected]>
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‎include/bluetooth/services/ble_hids.h

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‎include/bluetooth/services/common.h

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#include "ble_gap.h"
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#include <ble.h>
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#include <zephyr/sys/byteorder.h>
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{ \
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.sm = ((x) >> 4) & 0xf, .lv = (x) & 0xf, \
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}
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static inline bool ble_gap_conn_sec_mode_equal(const ble_gap_conn_sec_mode_t *a,
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const ble_gap_conn_sec_mode_t *b)
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{
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return (a->sm == b->sm) && (a->lv == b->lv);
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}
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/**
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* @brief Set sec_mode to have no access rights.
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*/
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#define BLE_GAP_CONN_SEC_MODE_NO_ACCESS \
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(ble_gap_conn_sec_mode_t) \
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{ \
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.sm = 0, .lv = 0 \
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}
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/**
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* @brief Set sec_mode to require no protection, open link.
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*/
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#define BLE_GAP_CONN_SEC_MODE_OPEN \
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(ble_gap_conn_sec_mode_t) \
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{ \
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.sm = 1, .lv = 1 \
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}
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/**
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* @brief Set sec_mode to require encryption, but no MITM protection.
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*/
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#define BLE_GAP_CONN_SEC_MODE_ENC_NO_MITM \
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(ble_gap_conn_sec_mode_t) \
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{ \
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.sm = 1, .lv = 2 \
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}
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/**
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* @brief Set sec_mode to require encryption and MITM protection.
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*/
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#define BLE_GAP_CONN_SEC_MODE_ENC_WITH_MITM \
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(ble_gap_conn_sec_mode_t) \
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{ \
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.sm = 1, .lv = 3 \
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}
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/**
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* @brief Set sec_mode to require LESC encryption and MITM protection.
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*/
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#define BLE_GAP_CONN_SEC_MODE_LESC_ENC_WITH_MITM \
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(ble_gap_conn_sec_mode_t) \
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{ \
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.sm = 1, .lv = 4 \
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}
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/**
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* @brief Set sec_mode to require signing or encryption, no MITM protection needed.
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*/
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#define BLE_GAP_CONN_SEC_MODE_SIGNED_NO_MITM \
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(ble_gap_conn_sec_mode_t) \
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{ \
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.sm = 2, .lv = 1 \
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}
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/**
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* @brief Set sec_mode to require signing or encryption with MITM protection.
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*/
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#define BLE_GAP_CONN_SEC_MODE_SIGNED_WITH_MITM \
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(ble_gap_conn_sec_mode_t) \
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{ \
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.sm = 2, .lv = 2 \
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}

‎samples/ble_hids_keyboard/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_hid_keyboard)
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target_sources(app PRIVATE src/main.c)

‎samples/ble_hids_keyboard/nrf52840dk_nrf52840.overlay

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&flash0 {
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partitions {
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compatible = "fixed-partitions";
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#address-cells = <1>;
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#size-cells = <1>;
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softdevice: partition@0 {
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label = "sd";
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reg = <0x00000000 0x00027000>;
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};
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app_rom: partition@27000 {
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label = "app";
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reg = <0x00027000 0x000d9000>;
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};
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};
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};
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&sram0 {
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reg = <0x20003400 DT_SIZE_K(200)>;
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};
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/ {
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chosen {
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zephyr,flash = &app_rom;
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zephyr,sram = &sram0;
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};
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};

‎samples/ble_hids_keyboard/prj.conf

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CONFIG_MULTITHREADING=n
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CONFIG_ZERO_LATENCY_IRQS=y
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CONFIG_CLOCK_CONTROL=n
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CONFIG_NRF_SDH=y
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CONFIG_SOFTDEVICE_S140=y
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CONFIG_LOG=y
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CONFIG_LOG_MODE_MINIMAL=y
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# BLE Advertising
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CONFIG_BLE_ADV=y
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CONFIG_BLE_ADV_EXTENDED_ADVERTISING=n
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CONFIG_BLE_ADV_DIRECTED_ADVERTISING=n
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# BLE connection parameter
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CONFIG_BLE_CONN_PARAMS=y
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# Battery service
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CONFIG_BLE_BAS=y
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# Device information service
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CONFIG_BLE_DIS=y
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CONFIG_BLE_DIS_SERIAL_NUMBER="ABCD"
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CONFIG_BLE_DIS_HW_REVISION="hw 54.15.0"
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CONFIG_BLE_DIS_FW_REVISION="fw 17.2.0" # wink
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CONFIG_BLE_DIS_SW_REVISION="sw 1.0.0"
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# HID service
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CONFIG_BLE_HIDS=y
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CONFIG_BLE_HIDS_BOOT_KEYBOARD=y
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CONFIG_BLE_HIDS_LOG_LEVEL_DBG=y
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# Shrink
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CONFIG_GPIO=n
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CONFIG_PARTITION_MANAGER_ENABLED=n
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CONFIG_LOG_BACKEND_RTT=n

‎samples/ble_hids_keyboard/sample.yaml

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sample:
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name: BLE HID Keyboard
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tests:
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sample.ble_hid_keyboard:
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sysbuild: true
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build_only: true
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integration_platforms:
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- nrf52840dk/nrf52840
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platform_allow:
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- nrf52840dk/nrf52840
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tags: ci_build

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