Enabling long rage in nRF52840

Question

Hello, 
 
 I am using nRF52840, SDK_16.0.0, S140 SoftDevice and Segger 4.16 for flashing the image. I am using ‘ble_app_blinky’. 
 
 As per below mail I changed settings for long range. 
 https://devzone.nordicsemi.com/f/nordic-q-a/40365/how-to-use-ble_gap_phy_coded-in-ble_app_beacon-example/157628#157628 
 https://devzone.nordicsemi.com/f/nordic-q-a/36364/enable-coded-phy-long-range-for-peripheral-blinky-code 
 
 //adv_params.primary_phy = BLE_GAP_PHY_1MBPS; // 1Mbps PHY layer 
 adv_params.primary_phy = BLE_GAP_PHY_CODED; // For long range 
 adv_params.secondary_phy = BLE_GAP_PHY_CODED; 
 
 Even I have gone through ble_app_att_mtu_throughput. It says below changes to be done in advertising_data_set() for long range. 
 .primary_phy = BLE_GAP_PHY_1MBPS, // Must be changed to connect in long range. (BLE_GAP_PHY_CODED) .secondary_phy = BLE_GAP_PHY_1MBPS, 
 
 But still I am getting fatal error as 7 at sd_ble_gap_adv_set_configure() within advertising_init() 
 
 My queries are: 
 1) Any settings to be enabled further on top of ble_app_blinky. 
 2) I need only long range but not Extended Advertisement. So I used BLE_GAP_ADV_TYPE_CONNECTABLE_SCANNABLE_UNDIRECTED. Will this cause any issue. 
 3) As per uart example code below, do I need to comment case BLE_GAP_EVT_PHY_UPDATE_REQUEST under ble_evt_handler() ? 
 https://github.com/NordicPlayground/nRF52-ble-long-range-demo 
 
 4) As per standards there are two LE Codes (S=2 with 500 Kb/s and the other one is S=8 with 125 Kb/s). Whether both are supported, if so how to set the same in nRF52840. For long range we want S=8. How to set this ? 
 
 5) If BLE_GAP_PHY_CODED is enabled, whether can I connect with my Mobile which is not BLE 5.0 compatible. 
 
 Below is my code snapshot. 
 static void advertising_init(void)
{
 ret_code_t err_code;
 ble_advdata_t advdata; // Advertisement Data
 ble_advdata_t srdata; // Scan Response Data
 ble_advdata_manuf_data_t manufData;
 
 // Build and set Advertising data.
 memset(&advdata, 0, sizeof(advdata));
 advdata.name_type = BLE_ADVDATA_FULL_NAME;
 advdata.include_appearance = false; // GAP apperance 0x19
 advdata.flags = BLE_GAP_ADV_FLAGS_LE_ONLY_GENERAL_DISC_MODE;
 
 // Build and set Scan response data.
 memset(&srdata, 0, sizeof(srdata));
 srdata.name_type = BLE_ADVDATA_FULL_NAME; // BLE_ADVDATA_NO_NAME;
 srdata.include_appearance = false; // GAP apperance 0x19
 
 manufData.company_identifier = 0xFFFF;
 manufData.data.p_data = &u8TadUID[0];
 manufData.data.size = sizeof(u8TadUID);
 
 srdata.p_manuf_specific_data = &manufData;
 advdata.p_manuf_specific_data = &manufData;
 
 err_code = ble_advdata_encode(&advdata, m_adv_data.adv_data.p_data, &m_adv_data.adv_data.len);
 APP_ERROR_CHECK(err_code);
 
 err_code = ble_advdata_encode(&srdata, m_adv_data.scan_rsp_data.p_data, &m_adv_data.scan_rsp_data.len);
 APP_ERROR_CHECK(err_code);
 
 ble_gap_adv_params_t adv_params;
 
 // Set advertising parameters.
 memset(&adv_params, 0, sizeof(adv_params));
 
 #if 0
 adv_params.primary_phy = BLE_GAP_PHY_1MBPS; // 1Mbps PHY layer
 #else
 adv_params.primary_phy = BLE_GAP_PHY_CODED; // For long range
 adv_params.secondary_phy = BLE_GAP_PHY_CODED;
 #endif
 
 adv_params.duration = APP_ADV_DURATION;
 adv_params.properties.type = BLE_GAP_ADV_TYPE_CONNECTABLE_SCANNABLE_UNDIRECTED;
 //adv_params.properties.type = BLE_GAP_ADV_TYPE_EXTENDED_CONNECTABLE_NONSCANNABLE_UNDIRECTED;
 adv_params.p_peer_addr = NULL;
 adv_params.filter_policy = BLE_GAP_ADV_FP_ANY; // Filter policy as part of 'White list'
 adv_params.interval = APP_ADV_INTERVAL;
 
 err_code = sd_ble_gap_adv_set_configure(&m_adv_handle, &m_adv_data, &adv_params);
 APP_ERROR_CHECK(err_code);
} 
 
 Thanks & Regards 
 Vishnu Beema

beemavishnu · Accepted Answer

Hi Simon, Finally I am not getting exceptions. I missed setting to null. Its running fine. I need to check further by connecting to Central. .scan_rsp_data = { .p_data = NULL, .len = 0 } Attaching file for future reference. Fullscreen 2045.main.c Download /** * Copyright (c) 2015 - 2019, 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. * */ /** * @brief Blinky Sample Application main file. * * This file contains the source code for a sample server application using the LED Button service. */ #include #include #include "nordic_common.h" #include "nrf.h" #include "app_error.h" #include "ble.h" #include "ble_err.h" #include "ble_hci.h" #include "ble_srv_common.h" #include "ble_advdata.h" #include "ble_conn_params.h" #include "nrf_sdh.h" #include "nrf_sdh_ble.h" #include "boards.h" #include "app_timer.h" #include "app_button.h" #include "ble_lbs.h" #include "nrf_ble_gatt.h" #include "nrf_ble_qwr.h" #include "nrf_pwr_mgmt.h" #include "nrf_log.h" #include "nrf_log_ctrl.h" #include "nrf_log_default_backends.h" #define ENABLE_LONG_RANGE 1 #define ADVERTISING_LED BSP_BOARD_LED_0 /**< Is on when device is advertising. */ #define CONNECTED_LED BSP_BOARD_LED_1 /**< Is on when device has connected. */ #define LEDBUTTON_LED BSP_BOARD_LED_2 /**< LED to be toggled with the help of the LED Button Service. */ #define LEDBUTTON_BUTTON BSP_BUTTON_0 /**< Button that will trigger the notification event with the LED Button Service */ #define DEVICE_NAME "Nordic_Blinky" /**< Name of device. Will be included in the advertising data. */ #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 APP_ADV_INTERVAL 64 /**< The advertising interval (in units of 0.625 ms; this value corresponds to 40 ms). */ #define APP_ADV_DURATION BLE_GAP_ADV_TIMEOUT_GENERAL_UNLIMITED /**< The advertising time-out (in units of seconds). When set to 0, we will never time out. */ #define MIN_CONN_INTERVAL MSEC_TO_UNITS(100, UNIT_1_25_MS) /**< Minimum acceptable connection interval (0.5 seconds). */ #define MAX_CONN_INTERVAL MSEC_TO_UNITS(200, UNIT_1_25_MS) /**< Maximum acceptable connection interval (1 second). */ #define SLAVE_LATENCY 0 /**< Slave latency. */ #define CONN_SUP_TIMEOUT MSEC_TO_UNITS(4000, UNIT_10_MS) /**< Connection supervisory time-out (4 seconds). */ #define FIRST_CONN_PARAMS_UPDATE_DELAY APP_TIMER_TICKS(20000) /**< Time from initiating event (connect or start of notification) to first time sd_ble_gap_conn_param_update is called (15 seconds). */ #define NEXT_CONN_PARAMS_UPDATE_DELAY APP_TIMER_TICKS(5000) /**< Time between each call to sd_ble_gap_conn_param_update after the first call (5 seconds). */ #define MAX_CONN_PARAMS_UPDATE_COUNT 3 /**< Number of attempts before giving up the connection parameter negotiation. */ #define BUTTON_DETECTION_DELAY APP_TIMER_TICKS(50) /**< Delay from a GPIOTE event until a button is reported as pushed (in number of timer ticks). */ #define DEAD_BEEF 0xDEADBEEF /**< Value used as error code on stack dump, can be used to identify stack location on stack unwind. */ BLE_LBS_DEF(m_lbs); /**< LED Button Service instance. */ NRF_BLE_GATT_DEF(m_gatt); /**< GATT module instance. */ NRF_BLE_QWR_DEF(m_qwr); /**< Context for the Queued Write module.*/ static uint16_t m_conn_handle = BLE_CONN_HANDLE_INVALID; /**< Handle of the current connection. */ static uint8_t m_adv_handle = BLE_GAP_ADV_SET_HANDLE_NOT_SET; /**< Advertising handle used to identify an advertising set. */ static uint8_t m_enc_advdata[BLE_GAP_ADV_SET_DATA_SIZE_MAX]; /**< Buffer for storing an encoded advertising set. */ static uint8_t m_enc_scan_response_data[BLE_GAP_ADV_SET_DATA_SIZE_MAX]; /**< Buffer for storing an encoded scan data. */ /**@brief Struct that contains pointers to the encoded advertising data. */ static ble_gap_adv_data_t m_adv_data = { .adv_data = { .p_data = m_enc_advdata, .len = BLE_GAP_ADV_SET_DATA_SIZE_MAX }, .scan_rsp_data = { #if ENABLE_LONG_RANGE .p_data = 0, .len = 0 #else .p_data = m_enc_scan_response_data, .len = BLE_GAP_ADV_SET_DATA_SIZE_MAX #endif } }; /**@brief Function for assert macro callback. * * @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] p_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 Function for the LEDs initialization. * * @details Initializes all LEDs used by the application. */ static void leds_init(void) { bsp_board_init(BSP_INIT_LEDS); } /**@brief Function for the Timer initialization. * * @details Initializes the timer module. */ static void timers_init(void) { // Initialize timer module, making it use the scheduler ret_code_t err_code = app_timer_init(); APP_ERROR_CHECK(err_code); } /**@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 initializing the GATT module. */ static void gatt_init(void) { ret_code_t err_code = nrf_ble_gatt_init(&m_gatt, NULL); APP_ERROR_CHECK(err_code); } /**@brief Function for initializing the Advertising functionality. * * @details Encodes the required advertising data and passes it to the stack. * Also builds a structure to be passed to the stack when starting advertising. */ static void advertising_init(void) { ret_code_t err_code; ble_advdata_t advdata; ble_advdata_t srdata; ble_uuid_t adv_uuids[] = {{LBS_UUID_SERVICE, m_lbs.uuid_type}}; // Build and set advertising data. memset(&advdata, 0, sizeof(advdata)); advdata.name_type = BLE_ADVDATA_FULL_NAME; advdata.include_appearance = true; advdata.flags = BLE_GAP_ADV_FLAGS_LE_ONLY_GENERAL_DISC_MODE; memset(&srdata, 0, sizeof(srdata)); srdata.uuids_complete.uuid_cnt = sizeof(adv_uuids) / sizeof(adv_uuids[0]); srdata.uuids_complete.p_uuids = adv_uuids; err_code = ble_advdata_encode(&advdata, m_adv_data.adv_data.p_data, &m_adv_data.adv_data.len); APP_ERROR_CHECK(err_code); #if !ENABLE_LONG_RANGE err_code = ble_advdata_encode(&srdata, m_adv_data.scan_rsp_data.p_data, &m_adv_data.scan_rsp_data.len); APP_ERROR_CHECK(err_code); #endif ble_gap_adv_params_t adv_params; // Set advertising parameters. memset(&adv_params, 0, sizeof(adv_params)); #if ENABLE_LONG_RANGE adv_params.primary_phy = BLE_GAP_PHY_CODED; // For long range adv_params.secondary_phy = BLE_GAP_PHY_CODED; adv_params.properties.type = BLE_GAP_ADV_TYPE_EXTENDED_CONNECTABLE_NONSCANNABLE_UNDIRECTED; //adv_params.scan_req_notification = 1; //recently added MD 7/9/18 #else adv_params.primary_phy = BLE_GAP_PHY_1MBPS; adv_params.properties.type = BLE_GAP_ADV_TYPE_CONNECTABLE_SCANNABLE_UNDIRECTED; #endif adv_params.duration = APP_ADV_DURATION; adv_params.p_peer_addr = NULL; adv_params.filter_policy = BLE_GAP_ADV_FP_ANY; adv_params.interval = APP_ADV_INTERVAL; err_code = sd_ble_gap_adv_set_configure(&m_adv_handle, &m_adv_data, &adv_params); 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 handling write events to the LED characteristic. * * @param[in] p_lbs Instance of LED Button Service to which the write applies. * @param[in] led_state Written/desired state of the LED. */ static void led_write_handler(uint16_t conn_handle, ble_lbs_t * p_lbs, uint8_t led_state) { if (led_state) { bsp_board_led_on(LEDBUTTON_LED); NRF_LOG_INFO("Received LED ON!"); } else { bsp_board_led_off(LEDBUTTON_LED); NRF_LOG_INFO("Received LED OFF!"); } } /**@brief Function for initializing services that will be used by the application. */ static void services_init(void) { ret_code_t err_code; ble_lbs_init_t init = {0}; 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 LBS. init.led_write_handler = led_write_handler; err_code = ble_lbs_init(&m_lbs, &init); APP_ERROR_CHECK(err_code); } /**@brief Function for handling the Connection Parameters Module. * * @details This function will be called for all events in the Connection Parameters Module that * 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) { ret_code_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 a Connection Parameters error. * * @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) { ret_code_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); } /**@brief Function for starting advertising. */ static void advertising_start(void) { ret_code_t err_code; err_code = sd_ble_gap_adv_start(m_adv_handle, APP_BLE_CONN_CFG_TAG); APP_ERROR_CHECK(err_code); bsp_board_led_on(ADVERTISING_LED); } /**@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; switch (p_ble_evt->header.evt_id) { case BLE_GAP_EVT_CONNECTED: NRF_LOG_INFO("Connected"); bsp_board_led_on(CONNECTED_LED); bsp_board_led_off(ADVERTISING_LED); 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); err_code = app_button_enable(); APP_ERROR_CHECK(err_code); break; case BLE_GAP_EVT_DISCONNECTED: NRF_LOG_INFO("Disconnected"); bsp_board_led_off(CONNECTED_LED); m_conn_handle = BLE_CONN_HANDLE_INVALID; err_code = app_button_disable(); APP_ERROR_CHECK(err_code); advertising_start(); break; case BLE_GAP_EVT_SEC_PARAMS_REQUEST: // Pairing not supported err_code = sd_ble_gap_sec_params_reply(m_conn_handle, BLE_GAP_SEC_STATUS_PAIRING_NOT_SUPP, NULL, NULL); APP_ERROR_CHECK(err_code); 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_GATTS_EVT_SYS_ATTR_MISSING: // No system attributes have been stored. err_code = sd_ble_gatts_sys_attr_set(m_conn_handle, NULL, 0, 0); APP_ERROR_CHECK(err_code); break; case BLE_GATTC_EVT_TIMEOUT: // Disconnect on GATT Client timeout event. NRF_LOG_DEBUG("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_DEBUG("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; default: // No implementation needed. break; } } /**@brief Function for initializing the BLE stack. * * @details 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 button handler module. * * @param[in] pin_no The pin that the event applies to. * @param[in] button_action The button action (press/release). */ static void button_event_handler(uint8_t pin_no, uint8_t button_action) { ret_code_t err_code; switch (pin_no) { case LEDBUTTON_BUTTON: NRF_LOG_INFO("Send button state change."); err_code = ble_lbs_on_button_change(m_conn_handle, &m_lbs, button_action); if (err_code != NRF_SUCCESS && err_code != BLE_ERROR_INVALID_CONN_HANDLE && err_code != NRF_ERROR_INVALID_STATE && err_code != BLE_ERROR_GATTS_SYS_ATTR_MISSING) { APP_ERROR_CHECK(err_code); } break; default: APP_ERROR_HANDLER(pin_no); break; } } /**@brief Function for initializing the button handler module. */ static void buttons_init(void) { ret_code_t err_code; //The array must be static because a pointer to it will be saved in the button handler module. static app_button_cfg_t buttons[] = { {LEDBUTTON_BUTTON, false, BUTTON_PULL, button_event_handler} }; err_code = app_button_init(buttons, ARRAY_SIZE(buttons), BUTTON_DETECTION_DELAY); APP_ERROR_CHECK(err_code); } static void log_init(void) { ret_code_t err_code = NRF_LOG_INIT(NULL); APP_ERROR_CHECK(err_code); NRF_LOG_DEFAULT_BACKENDS_INIT(); } /**@brief Function for initializing power management. */ static void power_management_init(void) { ret_code_t err_code; err_code = nrf_pwr_mgmt_init(); APP_ERROR_CHECK(err_code); } /**@brief Function for handling the idle state (main loop). * * @details If there is no pending log operation, then sleep until next the next event occurs. */ static void idle_state_handle(void) { if (NRF_LOG_PROCESS() == false) { nrf_pwr_mgmt_run(); } } /**@brief Function for application main entry. */ int main(void) { // Initialize. log_init(); leds_init(); timers_init(); buttons_init(); power_management_init(); ble_stack_init(); gap_params_init(); gatt_init(); services_init(); advertising_init(); conn_params_init(); // Start execution. NRF_LOG_INFO("Blinky example started."); advertising_start(); // Enter main loop. for (;;) { idle_state_handle(); } } /** * @} */ Thank you for your support. Thanks & Regards Vishnu Beema

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