また、Nordic 自身の Q&A サイトで最初に共有された次のコード スニペットも参考にしてください。
typedef __packed struct
{
uint16_t unknown1;
uint8_t uuid[16];
uint16_t major;
uint16_t minor;
uint8_t unknown2;
} clbeacon_info_t;
...
static void advertising_init(void)
{
uint32_t err_code;
uint8_t flags = BLE_GAP_ADV_FLAG_BR_EDR_NOT_SUPPORTED;
ble_advdata_t advdata;
uint8_t uuid[16] = {0x01, 0x12, 0x23, 0x34, 0x45, 0x56, 0x67, 0x78, 0x89, 0x9a, 0xab, 0xbc, 0xcd, 0xde, 0xef, 0xf0};
clbeacon_info_t beacon_info;
beacon_info.unknown1 = 0x1502;
memcpy(&beacon_info.uuid, &uuid, sizeof(uuid));
beacon_info.major = 0x3412;
beacon_info.minor = 0x7798;
beacon_info.unknown2 = 0xC5;
ble_advdata_manuf_data_t manuf_specific_data;
manuf_specific_data.company_identifier = 0x004C;
manuf_specific_data.data.p_data = (uint8_t *) &beacon_info;
manuf_specific_data.data.size = sizeof(beacon_info);
// Build and set advertising data
memset(&advdata, 0, sizeof(advdata));
advdata.name_type = BLE_ADVDATA_NO_NAME;
advdata.flags.size = sizeof(flags);
advdata.flags.p_data = &flags;
advdata.p_manuf_specific_data = &manuf_specific_data;
err_code = ble_advdata_set(&advdata, NULL);
APP_ERROR_CHECK(err_code);
}
/**@brief Start advertising.
*/
static void advertising_start(void)
{
uint32_t err_code;
ble_gap_adv_params_t adv_params;
// Start advertising
memset(&adv_params, 0, sizeof(adv_params));
adv_params.type = BLE_GAP_ADV_TYPE_ADV_NONCONN_IND;
adv_params.p_peer_addr = NULL;
adv_params.fp = BLE_GAP_ADV_FP_ANY;
adv_params.interval = APP_ADV_INTERVAL;
adv_params.timeout = APP_ADV_TIMEOUT_IN_SECONDS;
err_code = sd_ble_gap_adv_start(&adv_params);
APP_ERROR_CHECK(err_code);
nrf_gpio_pin_set(ADVERTISING_LED_PIN_NO);
}
...