/** * Copyright (c) 2017 - 2018, Nordic Semiconductor ASA * * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, * are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, this * list of conditions and the following disclaimer. * * 2. Redistributions in binary form, except as embedded into a Nordic * Semiconductor ASA integrated circuit in a product or a software update for * such product, must reproduce the above copyright notice, this list of * conditions and the following disclaimer in the documentation and/or other * materials provided with the distribution. * * 3. Neither the name of Nordic Semiconductor ASA nor the names of its * contributors may be used to endorse or promote products derived from this * software without specific prior written permission. * * 4. This software, with or without modification, must only be used with a * Nordic Semiconductor ASA integrated circuit. * * 5. Any software provided in binary form under this license must not be reverse * engineered, decompiled, modified and/or disassembled. * * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * */ /** @example examples/ble_peripheral/ble_app_hrs/main.c * * @brief Heart Rate Service Sample Application main file. * * This file contains the source code for a sample application using the Heart Rate service * (and also Battery and Device Information services). This application uses the * @ref srvlib_conn_params module. */ #include #include #include "nordic_common.h" #include "nrf.h" #include "ble.h" #include "ble_hci.h" #include "ble_srv_common.h" #include "ble_advdata.h" #include "ble_advertising.h" #include "ble_dis.h" #include "boards.h" #include "sensorsim.h" #include "nrf_sdh.h" #include "nrf_sdh_soc.h" #include "nrf_sdh_ble.h" #include "bsp.h" #include "bsp_btn_ble.h" #include "peer_manager.h" #include "peer_manager_handler.h" #include "fds.h" #include "nrf_ble_gatt.h" #include "nrf_ble_qwr.h" #include "ble_conn_state.h" #include "app_error.h" #include "app_timer.h" #include "task_manager.h" #include "nrf_cli.h" #include "nrf_cli_rtt.h" #include "nrf_cli_uart.h" #include "nrf_cli_ble_uart.h" #include "nrf_pwr_mgmt.h" #include "nrf_drv_clock.h" #include "nrf_stack_guard.h" #include "nrf_fstorage_sd.h" #include "nrf_ble_scan.h" #include "ble_db_discovery.h" #include "ble_nus.h" #include "ble_cus.h" //#include "ble_hts.h" #include "ble_conn_params.h" #include "flash_write.h" #include "nrf_log.h" #include "nrf_log_ctrl.h" #include "nrf_log_backend_flash.h" #define DEVICE_NAME "Nordic_CLI" /**< Name of device. Will be included in the advertising data. */ #define MANUFACTURER_NAME "NordicSemiconductor" /**< Manufacturer. Will be passed to Device Information Service. */ #define APP_ADV_INTERVAL 300 /**< The advertising interval (in units of 0.625 ms. This value corresponds to 187.5 ms). */ #define APP_ADV_DURATION 18000 /**< The advertising duration (180 seconds) in units of 10 milliseconds. */ #define APP_BLE_OBSERVER_PRIO 3 /**< Application's BLE observer priority. You shouldn't need to modify this value. */ #define APP_BLE_CONN_CFG_TAG 1 /**< A tag identifying the SoftDevice BLE configuration. */ #define BATTERY_LEVEL_MEAS_INTERVAL APP_TIMER_TICKS(2000) /**< Battery level measurement interval (ticks). */ #define MIN_BATTERY_LEVEL 81 /**< Minimum simulated battery level. */ #define MAX_BATTERY_LEVEL 100 /**< Maximum simulated 7battery level. */ #define BATTERY_LEVEL_INCREMENT 1 /**< Increment between each simulated battery level measurement. */ #define MIN_CONN_INTERVAL MSEC_TO_UNITS(400, UNIT_1_25_MS) /**< Minimum acceptable connection interval (0.4 seconds). */ #define MAX_CONN_INTERVAL MSEC_TO_UNITS(650, UNIT_1_25_MS) /**< Maximum acceptable connection interval (0.65 second). */ #define SLAVE_LATENCY 0 /**< Slave latency. */ #define CONN_SUP_TIMEOUT MSEC_TO_UNITS(4000, UNIT_10_MS) /**< Connection supervisory timeout (4 seconds). */ #define FIRST_CONN_PARAMS_UPDATE_DELAY APP_TIMER_TICKS(5000) /**< Time from initiating event (connect or start of notification) to first time sd_ble_gap_conn_param_update is called (5 seconds). */ #define NEXT_CONN_PARAMS_UPDATE_DELAY APP_TIMER_TICKS(30000) /**< Time between each call to sd_ble_gap_conn_param_update after the first call (30 seconds). */ #define MAX_CONN_PARAMS_UPDATE_COUNT 3 /**< Number of attempts before giving up the connection parameter negotiation. */ #define SEC_PARAM_BOND 1 /**< Perform bonding. */ #define SEC_PARAM_MITM 0 /**< Man In The Middle protection not required. */ #define SEC_PARAM_LESC 0 /**< LE Secure Connections not enabled. */ #define SEC_PARAM_KEYPRESS 0 /**< Keypress notifications not enabled. */ #define SEC_PARAM_IO_CAPABILITIES BLE_GAP_IO_CAPS_NONE /**< No I/O capabilities. */ #define SEC_PARAM_OOB 0 /**< Out Of Band data not available. */ #define SEC_PARAM_MIN_KEY_SIZE 7 /**< Minimum encryption key size. */ #define SEC_PARAM_MAX_KEY_SIZE 16 /**< Maximum encryption key size. */ #define DEAD_BEEF 0xDEADBEEF /**< Value used as error code on stack dump, can be used to identify stack location on stack unwind. */ #define ADDR_STRING_LEN (2 * (BLE_GAP_ADDR_LEN)+6) #define BLE_UUID_NUS_SERVICE 0x0001 /**< The UUID of the Nordic UART Service. */ #define NUS_SERVICE_UUID_TYPE BLE_UUID_TYPE_VENDOR_BEGIN /**< UUID type for the Nordic UART Service (vendor specific). */ NRF_BLE_SCAN_DEF(m_scan); #define N_AD_TYPES 4 #define UUID128_SIZE 16 /**< Size of 128 bit UUID. */ #define UUID16_SIZE 2 typedef struct { bool is_not_empty; /**< Indicates that the structure is not empty. */ uint8_t addr[BLE_GAP_ADDR_LEN]; /**< Device address. */ char dev_name[DEVICE_NAME_MAX_SIZE]; /**< Device name. */ int8_t RSSI_value_RK; uint8_t uuid_buffer_1[UUID128_SIZE]; /**< Buffer for storing an UUID128. */ uint16_t uuid_len; uint8_t uuid_type; }scanned_device_t; typedef struct { uint8_t * p_data; /**< Pointer to data. */ uint16_t data_len; /**< Length of data. */ } data_t; scanned_device_t m_device[DEVICE_TO_FIND_MAX]; /**< Stores device info from scan data. */ scanned_device_t * scan_device_info_get(void) { return m_device; } void scan_device_info_clear(void) { memset(m_device, 0, sizeof(m_device)); } static void device_to_list_add(ble_gap_evt_adv_report_t const * p_adv_report); void scan_start(void); void int_addr_to_hex_str(char * p_result, uint8_t result_len, uint8_t const * const p_addr); #define RSSI_THRESHOLD -70 static void adv_list_timer_handle(void * p_context); static bool m_scanning = false; /**< Variable that informs about the ongoing scanning. True when scan is ON. */ #define FOUND_DEVICE_REFRESH_TIME APP_TIMER_TICKS(SCAN_LIST_REFRESH_INTERVAL) /**< Time after which the device list is clean and refreshed. */ BLE_DB_DISCOVERY_ARRAY_DEF(m_db_disc, NRF_SDH_BLE_CENTRAL_LINK_COUNT); /**< Database discovery module instances. */ #define CENTRAL_SCANNING_LED BSP_BOARD_LED_0 #define CENTRAL_CONNECTED_LED BSP_BOARD_LED_1 static void db_discovery_init(void); static void db_disc_handler(ble_db_discovery_evt_t * p_evt); void ble_serv_on_db_disc_evt(ble_db_discovery_evt_t const * p_evt); void print_uuid(char * p_result, uint8_t result_len, uint8_t const * const p_uuid, uint8_t size); typedef struct { uint32_t addr[BLE_GAP_ADDR_LEN]; /**< Device address. */ char dev_name[DEVICE_NAME_MAX_SIZE]; /**< Device name. */ int8_t RSSI_value_RK; uint16_t uuid; }known_list_t; #define MAX_DEVICE 8 extern known_list_t k_device[MAX_DEVICE]; known_list_t temp_device; extern uint8_t k_count = 0; /* Thermometer UUID = 0x1809 NUS UUID = {0x9E, 0xCA, 0xDC, 0x24, 0x0E, 0xE5, 0xA9, 0xE0, 0x93, 0xF3, 0xA3, 0xB5, 0x01, 0x00, 0x40, 0x6E};{0x6E400001B5A3F393E0A9E50E24DCCA9E} NONIN UUID = {0x1B, 0xC5, 0xD5, 0xA5, 0x02, 0x00, 0x5E, 0x8B, 0xE2, 0x11, 0x5F, 0x0D, 0x00, 0x00, 0xA9, 0x46} static ble_uuid_t m_uuid16[] = {{0x1809,BLE_UUID_TYPE_BLE }, {0xFEE0, BLE_UUID_TYPE_BLE}, {0x180A, BLE_UUID_TYPE_BLE}}; */ #define SCAN_INTERVAL 0x00A0 /**< Determines scan interval in units of 0.625 millisecond. */ #define SCAN_WINDOW 0x0050 /**< Determines scan window in units of 0.625 millisecond. */ #define SCAN_TIMEOUT 0x0000 /**< Timout when scanning. 0x0000 disables timeout. */ #define SCAN_REQUEST 0 /**< Active scannin is not set. */ #define SCAN_WHITELIST_ONLY 0 /**< We will not ignore unknown devices. */ static const ble_gap_scan_params_t m_scan_param = { .extended = 1, .report_incomplete_evts = 1, .active = SCAN_REQUEST, .filter_policy = SCAN_WHITELIST_ONLY, .scan_phys = NULL, .interval = (uint16_t)SCAN_INTERVAL, .window = (uint16_t)SCAN_WINDOW, .timeout = SCAN_TIMEOUT }; static const ble_gap_conn_params_t m_connection_param = { (uint16_t)MIN_CONN_INTERVAL, (uint16_t)MAX_CONN_INTERVAL, (uint16_t)SLAVE_LATENCY, (uint16_t)CONN_SUP_TIMEOUT }; //Added custom service #define NOTIFICATION_INTERVAL APP_TIMER_TICKS(1000) static void on_cus_evt(ble_cus_t * p_cus_service, ble_cus_evt_t * p_evt); BLE_CUS_DEF(m_cus); APP_TIMER_DEF(m_notification_timer_id); ble_cus_init_t cus_init; /* array of UUID to be filtered */ static ble_uuid_t const m_scan_uuid[] = {{BLE_UUID_NUS_SERVICE,0x03}, {BLE_UUID_HEALTH_THERMOMETER_SERVICE,BLE_UUID_TYPE_BLE}, {BLE_UUID_NONIN_SENSOR_SERVICE,BLE_UUID_TYPE_VENDOR_BEGIN}}; static void connect_to_target(ble_gap_evt_adv_report_t const * p_adv_report); static bool connect = false; static void conn_params_init(void); static void conn_params_error_handler(uint32_t nrf_error); static void on_conn_params_evt(ble_conn_params_evt_t * p_evt); bool normal_mode_on = true; bool next_conn = false; NRF_BLE_GATT_DEF(m_gatt); /**< GATT module instance. */ NRF_BLE_QWR_DEF(m_qwr); /**< Context for the Queued Write module.*/ BLE_ADVERTISING_DEF(m_advertising); /**< Advertising module instance. */ NRF_CLI_UART_DEF(cli_uart,0 , 256, 16); NRF_CLI_BLE_UART_DEF(cli_ble_uart, &m_gatt, 64, 32); NRF_CLI_DEF(m_cli_uart, "uart_cli:~$ ", &cli_uart.transport,'\r', 4); NRF_CLI_DEF(m_ble_cli, "ble_cli:~$ ", &cli_ble_uart.transport,'\r', 8); static uint16_t m_conn_handle = BLE_CONN_HANDLE_INVALID; /**< Handle of the current connection. */ task_id_t m_ble_console_task_id; static ble_uuid_t m_adv_uuids[] = /**< Universally unique service identifiers. */ { {BLE_UUID_NUS_SERVICE, BLE_UUID_TYPE_BLE}, {BLE_UUID_DEVICE_INFORMATION_SERVICE, BLE_UUID_TYPE_BLE}, }; /**@brief Callback function for asserts in the SoftDevice. * * @details This function will be called in case of an assert in the SoftDevice. * * @warning This handler is an example only and does not fit a final product. You need to analyze * how your product is supposed to react in case of Assert. * @warning On assert from the SoftDevice, the system can only recover on reset. * * @param[in] line_num Line number of the failing ASSERT call. * @param[in] file_name File name of the failing ASSERT call. */ void assert_nrf_callback(uint16_t line_num, const uint8_t * p_file_name) { app_error_handler(DEAD_BEEF, line_num, p_file_name); } /**@brief Clear bond information from persistent storage. */ static void delete_bonds(void) { ret_code_t err_code; NRF_LOG_INFO("Erase bonds!"); err_code = pm_peers_delete(); APP_ERROR_CHECK(err_code); } /**@brief Function for starting advertising. */ void advertising_start(bool erase_bonds) { if (erase_bonds == true) { delete_bonds(); // Advertising is started by PM_EVT_PEERS_DELETE_SUCCEEDED event. } else { ret_code_t err_code; err_code = ble_advertising_start(&m_advertising, BLE_ADV_MODE_FAST); APP_ERROR_CHECK(err_code); } } /**@brief Function for handling Peer Manager events. * * @param[in] p_evt Peer Manager event. */ static void pm_evt_handler(pm_evt_t const * p_evt) { pm_handler_on_pm_evt(p_evt); pm_handler_flash_clean(p_evt); switch (p_evt->evt_id) { case PM_EVT_PEERS_DELETE_SUCCEEDED: advertising_start(false); break; default: break; } } /**@brief Function for the GAP initialization. * * @details This function sets up all the necessary GAP (Generic Access Profile) parameters of the * device including the device name, appearance, and the preferred connection parameters. */ static void gap_params_init(void) { ret_code_t err_code; ble_gap_conn_params_t gap_conn_params; ble_gap_conn_sec_mode_t sec_mode; BLE_GAP_CONN_SEC_MODE_SET_OPEN(&sec_mode); err_code = sd_ble_gap_device_name_set(&sec_mode, (const uint8_t *)DEVICE_NAME, strlen(DEVICE_NAME)); APP_ERROR_CHECK(err_code); memset(&gap_conn_params, 0, sizeof(gap_conn_params)); gap_conn_params.min_conn_interval = MIN_CONN_INTERVAL; gap_conn_params.max_conn_interval = MAX_CONN_INTERVAL; gap_conn_params.slave_latency = SLAVE_LATENCY; gap_conn_params.conn_sup_timeout = CONN_SUP_TIMEOUT; err_code = sd_ble_gap_ppcp_set(&gap_conn_params); APP_ERROR_CHECK(err_code); } /**@brief Function for handling events from the GATT library. */ void gatt_evt_handler(nrf_ble_gatt_t * p_gatt, nrf_ble_gatt_evt_t const * p_evt) { NRF_LOG_DEBUG("ATT MTU exchange completed. central 0x%x peripheral 0x%x", p_gatt->att_mtu_desired_central, p_gatt->att_mtu_desired_periph); } /**@brief Function for initializing the GATT module. */ static void gatt_init(void) { ret_code_t err_code = nrf_ble_gatt_init(&m_gatt, gatt_evt_handler); APP_ERROR_CHECK(err_code); } /**@brief Function for handling Queued Write Module errors. * * @details A pointer to this function will be passed to each service which may need to inform the * application about an error. * * @param[in] nrf_error Error code containing information about what went wrong. */ static void nrf_qwr_error_handler(uint32_t nrf_error) { APP_ERROR_HANDLER(nrf_error); } /**@brief Function for initializing services that will be used by the application. * * @details Initialize the Heart Rate, Battery and Device Information services. */ static void services_init(void) { ret_code_t err_code; ble_dis_init_t dis_init; nrf_ble_qwr_init_t qwr_init = {0}; // Initialize Queued Write Module. qwr_init.error_handler = nrf_qwr_error_handler; err_code = nrf_ble_qwr_init(&m_qwr, &qwr_init); APP_ERROR_CHECK(err_code); // Initialize Device Information Service. memset(&dis_init, 0, sizeof(dis_init)); ble_srv_ascii_to_utf8(&dis_init.manufact_name_str, (char *)MANUFACTURER_NAME); dis_init.dis_char_rd_sec = SEC_OPEN; err_code = ble_dis_init(&dis_init); APP_ERROR_CHECK(err_code); /* RK code to initialize the nonin services used by the application.*/ ble_uuid_t ble_uuid; BLE_UUID_BLE_ASSIGN(ble_uuid, BLE_UUID_HEALTH_THERMOMETER_SERVICE); err_code = ble_db_discovery_evt_register(&ble_uuid); if (err_code == NRF_SUCCESS) { APP_ERROR_CHECK(err_code); } if(err_code == NRF_ERROR_NULL) { NRF_LOG_INFO("error null pointer supplied\n\r"); } if(err_code == NRF_ERROR_INVALID_STATE) { NRF_LOG_INFO("error NRF_ERROR_INVALID_STATE\n\r"); } if(err_code == NRF_ERROR_NO_MEM) { NRF_LOG_INFO("error NRF_ERROR_NO_MEM\n\r"); } // Add Nonin Oxy sensor Service UUID BASE ble_uuid128_t base_uuid = BLE_UUID_NONIN_SENSOR_SERVICE_BASE; // Initialize CUS Service init structure to zero. memset(&cus_init, 0, sizeof(cus_init)); cus_init.evt_handler = on_cus_evt; if (&m_cus == NULL || &cus_init == NULL) { NRF_LOG_INFO("NRF_ERROR_NULL"); } // Initialize service structure m_cus.evt_handler = cus_init.evt_handler; m_cus.conn_handle = BLE_CONN_HANDLE_INVALID; err_code = sd_ble_uuid_vs_add(&base_uuid, &m_cus.uuid_type); if (err_code == NRF_ERROR_INVALID_ADDR) { NRF_LOG_INFO("error = NRF_ERROR_INVALID_ADDR\n\r"); } if (err_code == NRF_ERROR_NO_MEM) { NRF_LOG_INFO("error = NRF_ERROR_NO_MEM\n\r"); } ble_uuid.uuid = BLE_UUID_NONIN_SENSOR_SERVICE; ble_uuid.type = m_cus.uuid_type; err_code = ble_db_discovery_evt_register(&ble_uuid); if (err_code == NRF_SUCCESS) { APP_ERROR_CHECK(err_code); } if(err_code == NRF_ERROR_NULL) { NRF_LOG_INFO("error null pointer supplied\n\r"); } if(err_code == NRF_ERROR_INVALID_STATE) { NRF_LOG_INFO("error NRF_ERROR_INVALID_STATE\n\r"); } if(err_code == NRF_ERROR_NO_MEM) { NRF_LOG_INFO("error NRF_ERROR_NO_MEM\n\r"); } } /**@brief Function for handling advertising events. * * @details This function will be called for advertising events which are passed to the application. * * @param[in] ble_adv_evt Advertising event. */ static void on_adv_evt(ble_adv_evt_t ble_adv_evt) { ret_code_t err_code; switch (ble_adv_evt) { case BLE_ADV_EVT_FAST: //NRF_LOG_RAW_INFO("Fast advertising.\r"); err_code = bsp_indication_set(BSP_INDICATE_ADVERTISING); APP_ERROR_CHECK(err_code); break; case BLE_ADV_EVT_IDLE: nrf_pwr_mgmt_run(); break; default: break; } } /**@brief Function for handling BLE events. * * @param[in] p_ble_evt Bluetooth stack event. * @param[in] p_context Unused. */ static void ble_evt_handler(ble_evt_t const * p_ble_evt, void * p_context) { ret_code_t err_code; // For readability ble_gap_evt_t const * p_gap_evt = &p_ble_evt->evt.gap_evt; // ble_gap_addr_t caddr = p_ble_evt->evt.gap_evt.params.scan_req_report.peer_addr; switch (p_ble_evt->header.evt_id) { case BLE_GAP_EVT_ADV_REPORT: { device_to_list_add(&p_gap_evt->params.adv_report); } break; case BLE_GAP_EVT_CONNECTED: { NRF_LOG_INFO("Connected."); err_code = bsp_indication_set(BSP_INDICATE_CONNECTED); APP_ERROR_CHECK(err_code); m_conn_handle = p_ble_evt->evt.gap_evt.conn_handle; err_code = nrf_ble_qwr_conn_handle_assign(&m_qwr, m_conn_handle); APP_ERROR_CHECK(err_code); nrf_cli_ble_uart_config_t config = { .conn_handle = m_conn_handle }; err_code = nrf_cli_init(&m_ble_cli, &config, true, true, NRF_LOG_SEVERITY_INFO); APP_ERROR_CHECK(nrf_cli_task_create(&m_ble_cli)); APP_ERROR_CHECK(err_code); //Find device role in connection // uint16_t role = ble_conn_state_role(m_conn_handle); // if (role == BLE_GAP_ROLE_PERIPH) // { // // NRF_LOG_INFO("Do you want to add connected device to Known device list cmd: connect (Y/N) ?\n\r"); // // } if (normal_mode_on == false) { do { err_code = ble_db_discovery_start(&m_db_disc[p_gap_evt->conn_handle],p_gap_evt->conn_handle); if (err_code == NRF_SUCCESS) { NRF_LOG_INFO("discovery started :busy status\n"); APP_ERROR_CHECK(err_code); } }while(err_code == NRF_ERROR_BUSY); // Update LEDs status and check whether it is needed to look for more // peripherals to connect to. bsp_board_led_on(CENTRAL_CONNECTED_LED); if (ble_conn_state_central_conn_count() == NRF_SDH_BLE_CENTRAL_LINK_COUNT) { bsp_board_led_off(CENTRAL_SCANNING_LED); } else { // Resume scanning. bsp_board_led_on(CENTRAL_SCANNING_LED); scan_start(); } } else { next_conn = true; } } break; case BLE_GAP_EVT_DISCONNECTED: { connect = false; NRF_LOG_INFO("Disconnected, reason %d.", p_ble_evt->evt.gap_evt.params.disconnected.reason); m_conn_handle = BLE_CONN_HANDLE_INVALID; (void)nrf_cli_uninit(&m_ble_cli); if (ble_conn_state_central_conn_count() == 0) { // Turn off the LED that indicates the connection. bsp_board_led_off(CENTRAL_CONNECTED_LED); } // Start scanning. if (m_scanning) { scan_start(); } // Turn on the LED for indicating scanning. bsp_board_led_on(CENTRAL_SCANNING_LED); }break; case BLE_GAP_EVT_PHY_UPDATE_REQUEST: { NRF_LOG_DEBUG("PHY update request."); ble_gap_phys_t const phys = { .rx_phys = BLE_GAP_PHY_AUTO, .tx_phys = BLE_GAP_PHY_AUTO, }; err_code = sd_ble_gap_phy_update(p_ble_evt->evt.gap_evt.conn_handle, &phys); APP_ERROR_CHECK(err_code); } break; case BLE_GATTC_EVT_TIMEOUT: // Disconnect on GATT Client timeout event. NRF_LOG_INFO("GATT Client Timeout."); err_code = sd_ble_gap_disconnect(p_ble_evt->evt.gattc_evt.conn_handle, BLE_HCI_REMOTE_USER_TERMINATED_CONNECTION); APP_ERROR_CHECK(err_code); break; case BLE_GATTS_EVT_TIMEOUT: // Disconnect on GATT Server timeout event. NRF_LOG_INFO("GATT Server Timeout."); err_code = sd_ble_gap_disconnect(p_ble_evt->evt.gatts_evt.conn_handle, BLE_HCI_REMOTE_USER_TERMINATED_CONNECTION); APP_ERROR_CHECK(err_code); break; case BLE_GAP_EVT_TIMEOUT: NRF_LOG_INFO("Timeout error\n\r"); sd_ble_gap_connect_cancel(); next_conn = true; break; case BLE_GAP_EVT_SCAN_REQ_REPORT: // NRF_LOG_INFO("central address = %x:%x:%x:%x:%x:%x\n\r", caddr.addr[5], caddr.addr[4], caddr.addr[3], caddr.addr[2], caddr.addr[1], caddr.addr[0]); // NRF_LOG_INFO("rssi central = %d\n\r", p_ble_evt->evt.gap_evt.params.scan_req_report.rssi); break; default: // No implementation needed. break; } } /**@brief Function for the SoftDevice initialization. * * @details This function initializes the SoftDevice and the BLE event interrupt. */ static void ble_stack_init(void) { ret_code_t err_code; err_code = nrf_sdh_enable_request(); APP_ERROR_CHECK(err_code); // Configure the BLE stack using the default settings. // Fetch the start address of the application RAM. uint32_t ram_start = 0; err_code = nrf_sdh_ble_default_cfg_set(APP_BLE_CONN_CFG_TAG, &ram_start); APP_ERROR_CHECK(err_code); // Enable BLE stack. err_code = nrf_sdh_ble_enable(&ram_start); APP_ERROR_CHECK(err_code); // Register a handler for BLE events. NRF_SDH_BLE_OBSERVER(m_ble_observer, APP_BLE_OBSERVER_PRIO, ble_evt_handler, NULL); } /**@brief Function for handling events from the BSP module. * * @param[in] event Event generated by button press. */ void bsp_event_handler(bsp_event_t event) { ret_code_t err_code; switch (event) { case BSP_EVENT_SLEEP: nrf_pwr_mgmt_shutdown(NRF_PWR_MGMT_SHUTDOWN_GOTO_SYSOFF); break; case BSP_EVENT_DISCONNECT: err_code = sd_ble_gap_disconnect(m_conn_handle, BLE_HCI_REMOTE_USER_TERMINATED_CONNECTION); if (err_code != NRF_ERROR_INVALID_STATE) { APP_ERROR_CHECK(err_code); } break; case BSP_EVENT_WHITELIST_OFF: if (m_conn_handle == BLE_CONN_HANDLE_INVALID) { err_code = ble_advertising_restart_without_whitelist(&m_advertising); if (err_code != NRF_ERROR_INVALID_STATE) { APP_ERROR_CHECK(err_code); } } break; default: break; } } /**@brief Function for the Peer Manager initialization. */ static void peer_manager_init(void) { ble_gap_sec_params_t sec_param; ret_code_t err_code; err_code = pm_init(); APP_ERROR_CHECK(err_code); memset(&sec_param, 0, sizeof(ble_gap_sec_params_t)); // Security parameters to be used for all security procedures. sec_param.bond = SEC_PARAM_BOND; sec_param.mitm = SEC_PARAM_MITM; sec_param.io_caps = SEC_PARAM_IO_CAPABILITIES; sec_param.oob = SEC_PARAM_OOB; sec_param.min_key_size = SEC_PARAM_MIN_KEY_SIZE; sec_param.max_key_size = SEC_PARAM_MAX_KEY_SIZE; sec_param.kdist_own.enc = 1; sec_param.kdist_own.id = 1; sec_param.kdist_peer.enc = 1; sec_param.kdist_peer.id = 1; err_code = pm_sec_params_set(&sec_param); APP_ERROR_CHECK(err_code); err_code = pm_register(pm_evt_handler); APP_ERROR_CHECK(err_code); } /**@brief Function for initializing the Advertising functionality. */ static void advertising_init(void) { ret_code_t err_code; ble_advertising_init_t init; memset(&init, 0, sizeof(init)); init.advdata.name_type = BLE_ADVDATA_FULL_NAME; init.advdata.include_appearance = true; init.advdata.flags = BLE_GAP_ADV_FLAGS_LE_ONLY_GENERAL_DISC_MODE; init.advdata.uuids_complete.uuid_cnt = sizeof(m_adv_uuids) / sizeof(m_adv_uuids[0]); init.advdata.uuids_complete.p_uuids = m_adv_uuids; init.config.ble_adv_directed_enabled = true; init.config.ble_adv_fast_enabled = true; init.config.ble_adv_fast_interval = APP_ADV_INTERVAL; init.config.ble_adv_fast_timeout = APP_ADV_DURATION; init.evt_handler = on_adv_evt; err_code = ble_advertising_init(&m_advertising, &init); APP_ERROR_CHECK(err_code); ble_advertising_conn_cfg_tag_set(&m_advertising, APP_BLE_CONN_CFG_TAG); } /**@brief Function for handling an event from the Connection Parameters Module. * * @details This function will be called for all events in the Connection Parameters Module * which are passed to the application. * * @note All this function does is to disconnect. This could have been done by simply setting * the disconnect_on_fail config parameter, but instead we use the event handler * mechanism to demonstrate its use. * * @param[in] p_evt Event received from the Connection Parameters Module. */ static void on_conn_params_evt(ble_conn_params_evt_t * p_evt) { uint32_t err_code; if (p_evt->evt_type == BLE_CONN_PARAMS_EVT_FAILED) { err_code = sd_ble_gap_disconnect(m_conn_handle, BLE_HCI_CONN_INTERVAL_UNACCEPTABLE); APP_ERROR_CHECK(err_code); } } /**@brief Function for handling errors from the Connection Parameters module. * * @param[in] nrf_error Error code containing information about what went wrong. */ static void conn_params_error_handler(uint32_t nrf_error) { APP_ERROR_HANDLER(nrf_error); } /**@brief Function for initializing the Connection Parameters module. */ static void conn_params_init(void) { uint32_t err_code; ble_conn_params_init_t cp_init; memset(&cp_init, 0, sizeof(cp_init)); cp_init.p_conn_params = NULL; cp_init.first_conn_params_update_delay = FIRST_CONN_PARAMS_UPDATE_DELAY; cp_init.next_conn_params_update_delay = NEXT_CONN_PARAMS_UPDATE_DELAY; cp_init.max_conn_params_update_count = MAX_CONN_PARAMS_UPDATE_COUNT; cp_init.start_on_notify_cccd_handle = BLE_GATT_HANDLE_INVALID; cp_init.disconnect_on_fail = false; cp_init.evt_handler = on_conn_params_evt; cp_init.error_handler = conn_params_error_handler; err_code = ble_conn_params_init(&cp_init); APP_ERROR_CHECK(err_code); } static void connect_to_target(ble_gap_evt_adv_report_t const * p_adv_report) { // For readability. ble_gap_addr_t const * p_addr = &p_adv_report->peer_addr; ret_code_t err_code; scan_evt_t scan_evt; nrf_ble_scan_stop(); memset(&scan_evt, 0, sizeof(scan_evt)); // Establish connection. err_code = sd_ble_gap_connect(p_addr, &m_scan_param, &m_connection_param, APP_BLE_CONN_CFG_TAG); if (err_code == NRF_SUCCESS) { connect = true; } else if(err_code == NRF_ERROR_INVALID_ADDR) { NRF_LOG_INFO("NRF_ERROR_INVALID_ADDR failed\n\r"); } else if(err_code == NRF_ERROR_INVALID_PARAM) { NRF_LOG_INFO("NRF_ERROR_INVALID_PARAM failed\n\r"); } else if(err_code == NRF_ERROR_NOT_FOUND) { NRF_LOG_INFO("NRF_ERROR_NOT_FOUND failed\n\r"); } else if (err_code == NRF_ERROR_INVALID_STATE) { NRF_LOG_INFO("NRF_ERROR_INVALID_STATE failed\n\r"); } else if (err_code == BLE_ERROR_GAP_INVALID_BLE_ADDR) { NRF_LOG_INFO("BLE_ERROR_GAP_INVALID_BLE_ADDR failed\n\r"); } else if (err_code == NRF_ERROR_CONN_COUNT) { NRF_LOG_INFO("NRF_ERROR_CONN_COUNT failed\n\r"); } else if (err_code == NRF_ERROR_RESOURCES) { NRF_LOG_INFO("NRF_ERROR_RESOURCES failed\n\r"); } else if (err_code == NRF_ERROR_NOT_SUPPORTED) { NRF_LOG_INFO("NRF_ERROR_NOT_SUPPORTED failed\n\r"); } scan_evt.scan_evt_id = NRF_BLE_SCAN_EVT_CONNECTING_ERROR; scan_evt.params.connecting_err.err_code = err_code; NRF_LOG_DEBUG("Connection status: %d", err_code); nrf_ble_scan_start(&m_scan); } /**@brief Function for handling the Custom Service Service events. * * @details This function will be called for all Custom Service events which are passed to * the application. * * @param[in] p_cus_service Custom Service structure. * @param[in] p_evt Event received from the Custom Service. * */ static void on_cus_evt(ble_cus_t * p_cus_service, ble_cus_evt_t * p_evt) { ret_code_t err_code; switch(p_evt->evt_type) { case BLE_CUS_EVT_NOTIFICATION_ENABLED: err_code = app_timer_start(m_notification_timer_id, NOTIFICATION_INTERVAL, NULL); APP_ERROR_CHECK(err_code); break; case BLE_CUS_EVT_NOTIFICATION_DISABLED: // Stop the application timer that is triggering the notifications err_code = app_timer_stop(m_notification_timer_id); APP_ERROR_CHECK(err_code); break; case BLE_CUS_EVT_CONNECTED: break; case BLE_CUS_EVT_DISCONNECTED: break; case BLE_CUS_EVT_SERVO_CTR_VALUE_RECEIVED: break; default: // No implementation needed. break; } } void ble_serv_on_db_disc_evt(ble_db_discovery_evt_t const * p_evt) { // Check if the Led Button Service was discovered. ret_code_t err_code; for (uint8_t i =0; i < sizeof(m_scan_uuid)/sizeof(m_scan_uuid[0]); i++) { if (p_evt->evt_type == BLE_DB_DISCOVERY_COMPLETE && p_evt->params.discovered_db.srv_uuid.uuid == m_scan_uuid[i].uuid && p_evt->params.discovered_db.srv_uuid.type == m_scan_uuid[i].type) { NRF_LOG_INFO("Service available:%x \n\r", p_evt->params.discovered_db.srv_uuid.uuid); // move device to known device list - copy MAC ID and UUID if (k_count < DEVICE_TO_FIND_MAX) { for (uint8_t i = 0; i < k_count; i++) { if (memcmp(temp_device.addr,k_device[i].addr,sizeof(temp_device.addr)) == 0) { return; } } memcpy(k_device[k_count].addr, temp_device.addr, sizeof(temp_device.addr)); memcpy(&k_device[k_count].RSSI_value_RK, &temp_device.RSSI_value_RK,sizeof(temp_device.RSSI_value_RK)); k_device[k_count].uuid = p_evt->params.discovered_db.srv_uuid.uuid; k_count++; } break; } } if (connect == true) { err_code = sd_ble_gap_disconnect(m_conn_handle,BLE_HCI_REMOTE_USER_TERMINATED_CONNECTION); // if (err_code != NRF_ERROR_INVALID_STATE) // { APP_ERROR_CHECK(err_code); // } if (err_code == NRF_SUCCESS) { connect = false; NRF_LOG_INFO("Disconnected after discovery\n\r"); } } } /**@brief Function for handling database discovery events. * * @details This function is a callback function to handle events from the database discovery module. * Depending on the UUIDs that are discovered, this function forwards the events * to their respective services. * * @param[in] p_event Pointer to the database discovery event. */ static void db_disc_handler(ble_db_discovery_evt_t * p_evt) { ble_serv_on_db_disc_evt( p_evt); } /** @brief Database discovery initialization. */ static void db_discovery_init(void) { ret_code_t err_code = ble_db_discovery_init(db_disc_handler); APP_ERROR_CHECK(err_code); } bool is_scanning(void) { return m_scanning; } /**@brief Function for handling the adv_list_timer event, which refreshes the connectable devices. */ static void adv_list_timer_handle(void * p_context) { if (is_scanning()) { scan_device_info_clear(); } } /**@brief Function for searching for a device name and adding it to a dynamic command. * * @details Use this function to parse the received advertising data and to find a given * name in them either as 'complete_local_name' or as 'short_local_name'. * * @param[in] p_adv_report Advertising data to parse. */ static void device_to_list_add(ble_gap_evt_adv_report_t const * p_adv_report) { uint8_t idx = 0; uint16_t dev_name_offset = 0; uint16_t field_len; data_t adv_data; int8_t peripheral_rssi = p_adv_report->rssi; // Initialize advertisement report for parsing adv_data.p_data = (uint8_t *)p_adv_report->data.p_data; adv_data.data_len = p_adv_report->data.len; for ( idx = 0; idx < DEVICE_TO_FIND_MAX; idx++) { // If address is duplicated, then return. if (memcmp(p_adv_report->peer_addr.addr, m_device[idx].addr, sizeof(p_adv_report->peer_addr.addr)) == 0) { /* update rssi value */ memcpy(&m_device[idx].RSSI_value_RK, &p_adv_report->rssi, sizeof(p_adv_report->rssi)); return; } } // Add device data if an empty record is found. for (idx = 0; idx < DEVICE_TO_FIND_MAX; idx++) { if (!m_device[idx].is_not_empty) { if (peripheral_rssi > RSSI_THRESHOLD) { /* store peer address */ memcpy(m_device[idx].addr, p_adv_report->peer_addr.addr, sizeof(p_adv_report->peer_addr.addr)); /* store rssi value */ memcpy(&m_device[idx].RSSI_value_RK, &p_adv_report->rssi, sizeof(p_adv_report->rssi)); m_device[idx].is_not_empty = true; //connect to target bool d_found = false; if (p_adv_report->type.connectable && connect == false ) { for (idx = 0; idx <= k_count; idx++) { if (memcmp(p_adv_report->peer_addr.addr,k_device[idx].addr, sizeof(p_adv_report->peer_addr.addr)) == 0) { // NRF_LOG_INFO("device address matched\n\r"); d_found = true; } } if (!d_found) { connect_to_target(p_adv_report); /* Copy MAC ID and RSSI to known device list */ memcpy(temp_device.addr, p_adv_report->peer_addr.addr, sizeof(p_adv_report->peer_addr.addr)); memcpy(&temp_device.RSSI_value_RK, &p_adv_report->rssi, sizeof(p_adv_report->rssi)); } } // Search for advertising names. field_len = ble_advdata_search(adv_data.p_data, adv_data.data_len, &dev_name_offset, BLE_GAP_AD_TYPE_COMPLETE_LOCAL_NAME); if (field_len == 0) { field_len = ble_advdata_search(adv_data.p_data, adv_data.data_len, &dev_name_offset, BLE_GAP_AD_TYPE_SHORT_LOCAL_NAME); // If name is not found, then return. if (field_len == 0) { return; } } memcpy(m_device[idx].dev_name, &adv_data.p_data[dev_name_offset], field_len); m_device[idx].dev_name[field_len] = 0; } return; } } } /**@brief Function for handling Scanning Module events. */ static void scan_evt_handler(scan_evt_t const * p_scan_evt) { ret_code_t err_code; switch(p_scan_evt->scan_evt_id) { case NRF_BLE_SCAN_EVT_CONNECTING_ERROR: { err_code = p_scan_evt->params.connecting_err.err_code; APP_ERROR_CHECK(err_code); } break; case NRF_BLE_SCAN_EVT_CONNECTED: { ble_gap_evt_connected_t const * p_connected = p_scan_evt->params.connected.p_connected; // Scan is automatically stopped by the connection. NRF_LOG_INFO("Connecting to target %02x:%02x:%02x:%02x:%02x:%02x", p_connected->peer_addr.addr[5], p_connected->peer_addr.addr[4], p_connected->peer_addr.addr[3], p_connected->peer_addr.addr[2], p_connected->peer_addr.addr[1], p_connected->peer_addr.addr[0] ); } break; case NRF_BLE_SCAN_EVT_SCAN_TIMEOUT: { NRF_LOG_INFO("Scan timed out."); scan_start(); ret_code_t ret; ret = nrf_ble_scan_start(&m_scan); APP_ERROR_CHECK(ret); ret = bsp_indication_set(BSP_INDICATE_SCANNING); APP_ERROR_CHECK(ret); } break; default: break; } } /**@brief Function for initializing the scanning and setting the filters. */ static void scan_init(void) { ret_code_t err_code; nrf_ble_scan_init_t init_scan; memset(&init_scan, 0, sizeof(init_scan)); init_scan.conn_cfg_tag = APP_BLE_CONN_CFG_TAG; err_code = nrf_ble_scan_init(&m_scan, &init_scan, scan_evt_handler); APP_ERROR_CHECK(err_code); } /** @brief Function for initializing BLE components. */ void ble_init(void) { ble_stack_init(); gap_params_init(); gatt_init(); db_discovery_init(); services_init(); advertising_init(); peer_manager_init(); scan_init(); } /**@brief Function for initializing buttons and leds. * * @param[out] p_erase_bonds Will be true if the clear bonding button was pressed to wake the application up. */ static void buttons_leds_init(bool * p_erase_bonds) { ret_code_t err_code; bsp_event_t startup_event; err_code = bsp_init(BSP_INIT_LEDS | BSP_INIT_BUTTONS, bsp_event_handler); APP_ERROR_CHECK(err_code); err_code = bsp_btn_ble_init(NULL, &startup_event); APP_ERROR_CHECK(err_code); *p_erase_bonds = (startup_event == BSP_EVENT_CLEAR_BONDING_DATA); } /** * @brief Function for shutdown events. * * @param[in] event Shutdown type. */ static bool shutdown_handler(nrf_pwr_mgmt_evt_t event) { ret_code_t err_code; err_code = bsp_indication_set(BSP_INDICATE_IDLE); APP_ERROR_CHECK(err_code); switch (event) { case NRF_PWR_MGMT_EVT_PREPARE_WAKEUP: // Prepare wakeup buttons. err_code = bsp_btn_ble_sleep_mode_prepare(); APP_ERROR_CHECK(err_code); break; default: break; } return true; } NRF_PWR_MGMT_HANDLER_REGISTER(shutdown_handler, 0); void scan_start(void) { ret_code_t ret; ret = nrf_ble_scan_start(&m_scan); APP_ERROR_CHECK(ret); ret = bsp_indication_set(BSP_INDICATE_SCANNING); APP_ERROR_CHECK(ret); m_scanning = true; } void scan_stop(void) { ret_code_t ret; nrf_ble_scan_stop(); ret = bsp_indication_set(BSP_INDICATE_SCANNING); APP_ERROR_CHECK(ret); m_scanning = false; } void int_addr_to_hex_str(char * p_result, uint8_t result_len, uint8_t const * const p_addr) { ASSERT(p_result); ASSERT(p_addr); if (result_len > BLE_GAP_ADDR_LEN) { return; } char tempbuffer = '\0'; memset(p_result, 0, result_len); for (uint8_t i = 0; i < result_len; ++i) { sprintf(&tempbuffer, "%.2X", p_addr[result_len - (i+1)]); strcat(p_result, &tempbuffer); if (i < (result_len - 1)) { strcat(p_result, ":"); } } } void print_uuid(char * p_result, uint8_t result_len, uint8_t const * const p_uuid, uint8_t size) { ASSERT(p_result); ASSERT(p_uuid); if (result_len > 100) { return; } //Printing UUID in "8-4-4-4-12" format char buffer[100] = {0}; memset(p_result, 0, result_len); memset(buffer, 0, 100); for (uint8_t j = size; j >= 1; --j) { sprintf(buffer, "%.2X", p_uuid[j-1]); strcat(p_result, buffer); if ( size < UUID128_SIZE && (j == 3 || j == 5 || j == 7)) { strcat(p_result, ","); } if (j ==13 || j ==11 || j==9 || j==7) { strcat(p_result, "-"); } } } /* Below funciton displays the scanned device list */ void device_list(nrf_cli_t const *p_cli, scanned_device_t * p_device ) { for (uint8_t i = 0; i < DEVICE_TO_FIND_MAX; i++) { if (p_device[i].is_not_empty) { nrf_cli_fprintf(p_cli, NRF_CLI_NORMAL, "Device "); char buffer[ADDR_STRING_LEN]; int_addr_to_hex_str(buffer, BLE_GAP_ADDR_LEN, p_device[i].addr); char ubuffer[100]={0}; print_uuid(ubuffer, 100, p_device[i].uuid_buffer_1, p_device[i].uuid_len); nrf_cli_fprintf(p_cli, NRF_CLI_NORMAL, "%s %s %ddB\r\n", buffer, p_device[i].dev_name, p_device[i].RSSI_value_RK); } } nrf_cli_fprintf(p_cli, NRF_CLI_NORMAL, "Known Device List:\n\r"); //print known device list for (uint8_t i = 0; i < k_count; i++) { nrf_cli_fprintf(p_cli, NRF_CLI_NORMAL, "K Device "); char buffer[ADDR_STRING_LEN]; int_addr_to_hex_str(buffer, BLE_GAP_ADDR_LEN, (uint8_t *)k_device[i].addr); nrf_cli_fprintf(p_cli, NRF_CLI_NORMAL, "%s %ddB uuid = %x\r\n", buffer, k_device[i].RSSI_value_RK, k_device[i].uuid); } } static void scan_on_cmd(nrf_cli_t const *p_cli, size_t argc, char **argv) { normal_mode_on = false; scan_start(); nrf_cli_fprintf(p_cli, NRF_CLI_NORMAL, "Scanning...\r\n"); } static void scan_off_cmd(nrf_cli_t const *p_cli, size_t argc, char **argv) { normal_mode_on = true; scan_stop(); nrf_cli_fprintf(p_cli, NRF_CLI_NORMAL, "Scan stopped.\r\n"); } void display_device_list_cmd(nrf_cli_t const *p_cli, size_t argc, char **argv) { if (argc >= 2) { if (nrf_cli_help_requested(p_cli)) { nrf_cli_help_print(p_cli, NULL, 0); return; } else { nrf_cli_fprintf(p_cli, NRF_CLI_ERROR, "%s:%s%s\r\n", argv[0], " bad parameter ", argv[1]); return; } } /* Print connectable devices from scan data.*/ scanned_device_t * p_device_list = scan_device_info_get(); device_list(p_cli, p_device_list); } static void default_cmd(nrf_cli_t const *p_cli, size_t argc, char **argv) { if (argc >= 2) { if (nrf_cli_help_requested(p_cli)) { nrf_cli_help_print(p_cli, NULL, 0); return; } else { nrf_cli_fprintf(p_cli, NRF_CLI_ERROR, "%s:%s%s\r\n", argv[0], " bad parameter ", argv[1]); return; } } } // Register "mpu" command and it's subcommands in CLI. NRF_CLI_CREATE_STATIC_SUBCMD_SET(scan_commands) { NRF_CLI_CMD(on, NULL, "Scan on.", scan_on_cmd), NRF_CLI_CMD(off, NULL, "Scan off.", scan_off_cmd), NRF_CLI_SUBCMD_SET_END }; NRF_CLI_CMD_REGISTER(scan, &scan_commands, "Commands for scan control", default_cmd); NRF_CLI_CMD_REGISTER(devices, NULL, "print device list", display_device_list_cmd); void idle_task(void * p_context) { bool erase_bonds = (bool)p_context; advertising_start(erase_bonds); // Enter main loop. for (;;) { if (NRF_LOG_PROCESS() == false) { nrf_pwr_mgmt_run(); } task_yield(); } } static void core_init(void) { APP_ERROR_CHECK(NRF_LOG_INIT(app_timer_cnt_get)); nrf_drv_uart_config_t uart_config = NRF_DRV_UART_DEFAULT_CONFIG; uart_config.pseltxd = TX_PIN_NUMBER; uart_config.pselrxd = RX_PIN_NUMBER; uart_config.hwfc = NRF_UART_HWFC_DISABLED; APP_ERROR_CHECK(nrf_cli_init(&m_cli_uart, &uart_config, true, true, NRF_LOG_SEVERITY_INFO)); APP_ERROR_CHECK(nrf_drv_clock_init()); nrf_drv_clock_lfclk_request(NULL); APP_ERROR_CHECK(app_timer_init()); // Timer for refreshing scanned devices data. APP_TIMER_DEF(adv_list_timer); APP_ERROR_CHECK(app_timer_create(&adv_list_timer, APP_TIMER_MODE_REPEATED, adv_list_timer_handle)); APP_ERROR_CHECK(app_timer_start(adv_list_timer, FOUND_DEVICE_REFRESH_TIME, NULL)); APP_ERROR_CHECK(nrf_pwr_mgmt_init()); APP_ERROR_CHECK(nrf_cli_task_create(&m_cli_uart)); } /**@brief Function for application main entry. */ int main(void) { bool erase_bonds; core_init(); buttons_leds_init(&erase_bonds); ble_init(); conn_params_init(); fds_test_init(); APP_ERROR_CHECK(nrf_cli_ble_uart_service_init()); NRF_LOG_RAW_INFO("BLE Nordic Uart Service started\r\n"); NRF_LOG_RAW_INFO("Press Tab to view all available commands.\r\n"); task_manager_start(idle_task, (void *)erase_bonds); while (true) { UNUSED_RETURN_VALUE(NRF_LOG_PROCESS()); nrf_cli_process(&m_cli_uart); } }