advertising.c

#include <stdint.h>
#include "advertising.h"
#include "ble_advdata.h"
#include "ble_conn_params.h"
#include "app_error.h"
#include <stdio.h>






/****** Setting up the Eddystone advertisement *******/

static uint8_t eddystone_url_data[] =   /**< Information advertised by the Eddystone URL frame type. */
{
    APP_EDDYSTONE_URL_FRAME_TYPE,   // Eddystone URL frame type.
    APP_EDDYSTONE_RSSI,             // RSSI value at 0 m.
    APP_EDDYSTONE_URL_SCHEME,       // Scheme or prefix for URL ("http", "http://www", etc.)
    APP_EDDYSTONE_URL_URL           // URL with a maximum length of 17 bytes. Last byte is suffix (".com", ".org", etc.)
};



void advertising_init_eddystone(void)
{
    uint32_t      err_code;
    ble_advdata_t advdata;
    uint8_t       flags = BLE_GAP_ADV_FLAGS_LE_ONLY_GENERAL_DISC_MODE;
    ble_uuid_t    adv_uuids[] = {{APP_EDDYSTONE_UUID, BLE_UUID_TYPE_BLE}};

    uint8_array_t eddystone_data_array;                             // Array for Service Data structure.
/** @snippet [Eddystone data array] */
    eddystone_data_array.p_data = (uint8_t *) eddystone_url_data;   // Pointer to the data to advertise.
    eddystone_data_array.size = sizeof(eddystone_url_data);         // Size of the data to advertise.
/** @snippet [Eddystone data array] */

    ble_advdata_service_data_t service_data;                        // Structure to hold Service Data.
    service_data.service_uuid = APP_EDDYSTONE_UUID;                 // Eddystone UUID to allow discoverability on iOS devices.
    service_data.data = eddystone_data_array;                       // Array for service advertisement data.

    // Build and set advertising data.
    memset(&advdata, 0, sizeof(advdata));

    advdata.name_type               = BLE_ADVDATA_NO_NAME;
    advdata.flags                   = flags;
    advdata.uuids_complete.uuid_cnt = sizeof(adv_uuids) / sizeof(adv_uuids[0]);
    advdata.uuids_complete.p_uuids  = adv_uuids;
    advdata.p_service_data_array    = &service_data;                // Pointer to Service Data structure.
    advdata.service_data_count      = 1;

    err_code = ble_advdata_set(&advdata, NULL);
    APP_ERROR_CHECK(err_code);

}