nRF52832 firmware already support Nordic UART service. How to add Nordic UART service to advertising packets?
nRF52832 firmware already support Nordic UART service. How to add Nordic UART service to advertising packets?
#include "sdk_config.h"
#include "advertising.h"
#include "ble_types.h"
#include "ble_nus.h"
#include "bsp.h"
#include "bsp_btn_ble.h"
#include "error.h"
#include "nrf_log.h"
#include "nrf_sdh_ble.h"
#define APP_ADV_INTERVAL 800 /**< The advertising interval (in units of 0.625 ms. This value corresponds to 40 ms). */
#define APP_ADV_DURATION 1800 /**< The advertising duration (180 seconds) in units of 10 milliseconds. */
#define APP_ADV_FAST_DURATION 0//1800 /**< The advertising duration of fast advertising in units of 10 milliseconds. */
#define APP_ADV_SLOW_DURATION 0//1800 /**< The advertising duration of slow advertising in units of 10 milliseconds. */
#define APP_ADV_FAST_INTERVAL MSEC_TO_UNITS(500, UNIT_0_625_MS) /**< The advertising interval (in units of 0.625 ms). The default value corresponds to 25 ms. */
#define APP_ADV_SLOW_INTERVAL MSEC_TO_UNITS(500, UNIT_0_625_MS) /**< Slow advertising interval (in units of 0.625 ms). The default value corresponds to 2 seconds. */
#define NUS_SERVICE_UUID_TYPE BLE_UUID_TYPE_VENDOR_BEGIN /**< UUID type for the Nordic UART Service (vendor specific). */
BLE_ADVERTISING_DEF(_gAdvertising); /**< Advertising module instance. */
static ble_uuid_t _gAdvUuids[] = { /**< Universally unique service identifier. */
{BLE_UUID_NUS_SERVICE, NUS_SERVICE_UUID_TYPE}
};
/**@brief Function for putting the chip into sleep mode.
*
* @note This function will not return.
*/
static void _sleepModeEnter(void) {
ret_code_t errCode;
errCode = bsp_indication_set(BSP_INDICATE_IDLE);
if (errCode != NRF_SUCCESS) {
NRF_LOG_WARNING("bsp_indication_set() failed, errCode=0x%x\n", errCode);
return;
}
// Prepare wakeup buttons.
errCode = bsp_btn_ble_sleep_mode_prepare();
if (errCode != NRF_SUCCESS) {
NRF_LOG_WARNING("bsp_btn_ble_sleep_mode_prepare() failed, errCode=0x%x\n", errCode);
return;
}
// Go to system-off mode (this function will not return; wakeup will cause a reset).
errCode = sd_power_system_off();
if (errCode != NRF_SUCCESS) {
NRF_LOG_WARNING("sd_power_system_off() failed, errCode=0x%x\n", errCode);
return;
}
}
/**@brief Function for handling advertising events.
*
* @details This function is called for advertising events that are passed to the application.
*
* @param[in] ble_adv_evt Advertising event.
*/
static void _advertisingEvtHandler(ble_adv_evt_t evt) {
ret_code_t errCode;
switch (evt) {
case BLE_ADV_EVT_FAST:
errCode = bsp_indication_set(BSP_INDICATE_ADVERTISING);
if (errCode != NRF_SUCCESS) {
NRF_LOG_WARNING("bsp_indication_set() failed, errCode=0x%x\n", errCode);
return;
}
break;
case BLE_ADV_EVT_IDLE:
_sleepModeEnter();
break;
default:
break;
}
}
int advertisingInit(void) {
ret_code_t errCode;
ble_advertising_init_t init;
memset(&init, 0, sizeof(init));
init.advdata.name_type = BLE_ADVDATA_FULL_NAME;
init.advdata.include_appearance = false;
init.advdata.flags = BLE_GAP_ADV_FLAGS_LE_ONLY_GENERAL_DISC_MODE;
init.srdata.uuids_complete.uuid_cnt = sizeof(_gAdvUuids) / sizeof(_gAdvUuids[0]);
init.srdata.uuids_complete.p_uuids = _gAdvUuids;
init.config.ble_adv_whitelist_enabled = false;
init.config.ble_adv_fast_enabled = true;
init.config.ble_adv_fast_interval = APP_ADV_FAST_INTERVAL;
init.config.ble_adv_fast_timeout = APP_ADV_FAST_DURATION;
init.config.ble_adv_slow_enabled = true;
init.config.ble_adv_slow_interval = APP_ADV_SLOW_INTERVAL;
init.config.ble_adv_slow_timeout = APP_ADV_SLOW_DURATION;
init.evt_handler = _advertisingEvtHandler;
errCode = ble_advertising_init(&_gAdvertising, &init);
if (errCode != NRF_SUCCESS) {
NRF_LOG_WARNING("ble_advertising_init() failed errCode=0x%x", errCode);
return ERROR_ADVERTISING_INITIALIZE_FAIL;
}
ble_advertising_conn_cfg_tag_set(&_gAdvertising, APP_BLE_CONN_CFG_TAG);
return 0;
}
ble_adv_modes_config_t advertisingConfigGet(void) {
ble_adv_modes_config_t config;
memset(&config, 0, sizeof(ble_adv_modes_config_t));
config.ble_adv_fast_enabled = true;
config.ble_adv_fast_interval = APP_ADV_INTERVAL;
config.ble_adv_fast_timeout = APP_ADV_DURATION;
config.ble_adv_on_disconnect_disabled = true;
return config;
}
void advertisingModesConfigSet(void) {
const ble_adv_modes_config_t config = advertisingConfigGet();
ble_advertising_modes_config_set(&_gAdvertising, &config);
}
/* Function for starting advertising. */
int advertisingStart(void) {
// memset(m_whitelist_peers, PM_PEER_ID_INVALID, sizeof(m_whitelist_peers));
// m_whitelist_peer_cnt = (sizeof(m_whitelist_peers) / sizeof(pm_peer_id_t));
// peer_list_get(m_whitelist_peers, &m_whitelist_peer_cnt);
// ret = pm_whitelist_set(m_whitelist_peers, m_whitelist_peer_cnt);
// APP_ERROR_CHECK(ret);
// // Setup the device identies list.
// // Some SoftDevices do not support this feature.
// ret = pm_device_identities_list_set(m_whitelist_peers, m_whitelist_peer_cnt);
// if (ret != NRF_ERROR_NOT_SUPPORTED)
// {
// APP_ERROR_CHECK(ret);
// }
const ret_code_t errCode = ble_advertising_start(&_gAdvertising, BLE_ADV_MODE_FAST);
if (errCode != NRF_SUCCESS) {
NRF_LOG_WARNING("ble_advertising_start() failed errCode=0x%x", errCode);
return ERROR_ADVERTISING_START_FAIL;
}
return 0;
}
Hello,
Please look at the advertising_init() function in the SDK\examples\ble_peripheral\ble_app_uart example. It will add the Nordic UART Service UUID to the scan response packet.
Best regards,
Edvin
Thanks for your suggestion!
