Hi,
I m using NRF52840 as a Beacon. i m using SDK15.2 ble_app_beacon.Advertising is works fine. Now i want to change advertising parameter while button pressed.
#include "app_timer.h" #include "ble_advdata.h" #include "bsp.h" #include "nordic_common.h" #include "nrf_pwr_mgmt.h" #include "nrf_sdh.h" #include "nrf_sdh_ble.h" #include "nrf_soc.h" #include <stdbool.h> #include <stdint.h> #include "ble_srv_common.h" #include "boards.h" #include "nrf_delay.h" #include "nrf_log.h" #include "nrf_log_ctrl.h" #include "nrf_log_default_backends.h" #define APP_BLE_CONN_CFG_TAG 1 // Tag identifying the BLE configuration. #define NON_CONNECTABLE_ADV_INTERVAL MSEC_TO_UNITS(500, UNIT_0_625_MS) // iBeacon specifies an advertising interval of 100ms #define APP_BEACON_INFO_LENGTH 0x17 // Total length of information advertised by the Beacon. */ #define APP_ADV_DATA_LENGTH 0x15 // Length of manufacturer specific data in the advertisement. */ #define APP_DEVICE_TYPE 0x02 // 0x02 refers to Beacon. #define APP_COMPANY_IDENTIFIER 0x004C // Company identifier for Nordic Semiconductor #define DEAD_BEEF 0xDEADBEEF // Value used as error code on stack dump uint32_t mac_addr[]; uint8_t service_uid[17]; uint8_t *service_uid_pointer; uint8_t m_beacon_info1[APP_BEACON_INFO_LENGTH]={0}; uint8_t serial_number[4]; uint32_t test_sno; static ble_gap_adv_params_t m_adv_params; // Parameters to be passed to the stack when starting advertising. 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. /*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 = { .p_data = NULL, .len = 0 } }; void assert_nrf_callback(uint16_t line_num, const uint8_t *p_file_name) { app_error_handler(DEAD_BEEF, line_num, p_file_name); } /** Initializing the Advertising.**/ static void advertising_init(void) { uint32_t err_code; ble_advdata_t advdata; uint32_t pin_value; uint8_t flags = BLE_GAP_ADV_FLAG_BR_EDR_NOT_SUPPORTED; /* Beacon Configuration*/ ble_advdata_manuf_data_t manuf_specific_data; manuf_specific_data.company_identifier = APP_COMPANY_IDENTIFIER; m_beacon_info1[0]=APP_DEVICE_TYPE; m_beacon_info1[1]=APP_ADV_DATA_LENGTH; /* service id*/ for(int i=5;i>1;i--) { m_beacon_info1[i]=*service_uid_pointer++; } pin_value = nrf_gpio_pin_read(11); if(pin_value==0) { m_beacon_info1[6]=0x00; nrf_gpio_pin_toggle(14); // Aided } else { m_beacon_info1[6]=0xff; // nrf_gpio_pin_clear(14); } // m_beacon_info1[6]=0x00; // Aided m_beacon_info1[7]=0xff; //Reserved id m_beacon_info1[8]=0xff; // reserved id //m_beacon_info1[18]=0x20; //Major 1st byte m_beacon_info1[18]=0x54; m_beacon_info1[19]=0x57; //Major 2nd byte m_beacon_info1[20]=0x4F; //Minor 1st byte m_beacon_info1[21]=0x54; //m_beacon_info1[21]=0x55;//Minor 2nd byte m_beacon_info1[22]=0xC3; //Rssi @1m manuf_specific_data.data.p_data = (uint8_t *)m_beacon_info1; manuf_specific_data.data.size = APP_BEACON_INFO_LENGTH; // Build and set advertising data. memset(&advdata, 0, sizeof(advdata)); advdata.name_type = BLE_ADVDATA_NO_NAME; advdata.flags = flags; advdata.p_manuf_specific_data = &manuf_specific_data; // Initialize advertising parameters. memset(&m_adv_params, 0, sizeof(m_adv_params)); m_adv_params.properties.type = BLE_GAP_ADV_TYPE_NONCONNECTABLE_NONSCANNABLE_UNDIRECTED; m_adv_params.p_peer_addr = NULL; // Undirected advertisement. m_adv_params.filter_policy = BLE_GAP_ADV_FP_ANY; //Filter policy m_adv_params.interval = NON_CONNECTABLE_ADV_INTERVAL; // m_adv_params.channel_mask[4]; // m_adv_params.channel_mask[4] = 0xA0; m_adv_params.duration = 0; // Never time out. 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 = sd_ble_gap_adv_set_configure(&m_adv_handle, &m_adv_data, &m_adv_params); APP_ERROR_CHECK(err_code); } /**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); err_code = bsp_indication_set(BSP_INDICATE_ADVERTISING); APP_ERROR_CHECK(err_code); } /* Getting MAc address*/ void device_name_get(void) { memcpy(serial_number,(uint32_t*)0x10001084,4); //NRF_LOG_INFO("Serial Number : %x, %x, %x, %x",serial_number[0],serial_number[1],serial_number[2],serial_number[3]); //NRF_LOG_FLUSH(); mac_addr[0]=NRF_FICR->DEVICEADDR0; test_sno = test_sno | (serial_number[0] <<24)|(serial_number[1] <<16)|(serial_number[2] <<8)|(serial_number[3]); if (test_sno != 0xFFFF7FFFF) { for(int i=0;i<4;i++){ service_uid[i]=serial_number[i]; NRF_LOG_INFO("S.NO:%2X",service_uid[i]); } } else { for(int i=0;i<4;i++){ service_uid[i]=(uint8_t)((mac_addr[0])>>(8*i)); NRF_LOG_INFO("MAC:%2X",service_uid[i]); } } service_uid_pointer=&service_uid; } /*Initializing the BLE stack.*/ 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. // 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); } /** Initializing logging. */ static void log_init(void) { ret_code_t err_code = NRF_LOG_INIT(NULL); APP_ERROR_CHECK(err_code); NRF_LOG_DEFAULT_BACKENDS_INIT(); } /**Initializing LEDs. */ static void leds_init(void) { ret_code_t err_code = bsp_init(BSP_INIT_LEDS, NULL); APP_ERROR_CHECK(err_code); } /**Initializing timers. */ static void timers_init(void) { ret_code_t err_code = app_timer_init(); APP_ERROR_CHECK(err_code); } /** 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); } /*Function for handling the idle state (main loop). *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(); } } /*Main Loop */ int main(void) { // Initialize. nrf_gpio_cfg_input(11,GPIO_PIN_CNF_PULL_Pullup); nrf_gpio_cfg_output(14); log_init(); timers_init(); // leds_init(); device_name_get(); power_management_init(); ble_stack_init(); advertising_init(); nrf_drv_clock_init(); sd_ble_gap_tx_power_set(BLE_GAP_TX_POWER_ROLE_ADV, BLE_GAP_TX_POWER_ROLE_ADV, 0); //Set transmission Power // Start execution. NRF_LOG_INFO("Beacon example started."); advertising_start(); // Enter main loop. for (;;) { idle_state_handle(); } } /** * @} */Here is my code.I m not getting the result.Please guide me to solve this issue