nRF52840 stop advertising

Question

Hello Everyone 
 I am working on nRF52840 DK, SDK V-15.0. 
 How we can stop advertising? Which API is used to stop advertising? 
 Quick help will be appreciated. 
 Regards 
 Raj

Bjørn Kvaale · Accepted Answer

Hi Raj, 
 Update: Take a look at the sd_ble_gap_adv_stop () function in the softdevice (ble_gap.h file). This devzone case could also be useful. 
 /**@brief Stop advertising (GAP Discoverable, Connectable modes, Broadcast Procedure).
 *
 * @mscs
 * @mmsc{@ref BLE_GAP_ADV_MSC}
 * @mmsc{@ref BLE_GAP_WL_SHARE_MSC}
 * @endmscs
 *
 * @param[in] adv_handle The advertising handle that should stop advertising.
 *
 * @retval ::NRF_SUCCESS The BLE stack has stopped advertising.
 * @retval ::BLE_ERROR_INVALID_ADV_HANDLE Invalid advertising handle.
 * @retval ::NRF_ERROR_INVALID_STATE The advertising handle is not advertising.
 */
SVCALL(SD_BLE_GAP_ADV_STOP, uint32_t, sd_ble_gap_adv_stop(uint8_t adv_handle)); 
 Normally, you will advertise for 180 seconds & then advertising will turn off by itself until you press button 1 on the dev kit to turn it back on (works for most examples). See this line in main.c of the ble_app_uart peripheral example (or most other BLE examples): 
 #define APP_ADV_DURATION 18000 /**< The advertising duration (180 seconds) in units of 10 milliseconds. */ 
 Also take a look at the ble_adv_modes_config_t struct in ble_advertising.h: 
 typedef struct
{
 bool ble_adv_on_disconnect_disabled; /**< Enable or disable automatic return to advertising upon disconnecting.*/
 bool ble_adv_whitelist_enabled; /**< Enable or disable use of the whitelist. */
 bool ble_adv_directed_high_duty_enabled; /**< Enable or disable direct advertising mode. can only be used if ble_adv_legacy_enabled is true. */
 bool ble_adv_directed_enabled; /**< Enable or disable direct advertising mode. */
 bool ble_adv_fast_enabled; /**< Enable or disable fast advertising mode. */
 bool ble_adv_slow_enabled; /**< Enable or disable slow advertising mode. */
 uint32_t ble_adv_directed_interval; /**< Advertising interval for directed advertising. */
 uint32_t ble_adv_directed_timeout; /**< Time-out (number of tries) for direct advertising. */
 uint32_t ble_adv_fast_interval; /**< Advertising interval for fast advertising. */
 uint32_t ble_adv_fast_timeout; /**< Time-out (in seconds) for fast advertising. */
 uint32_t ble_adv_slow_interval; /**< Advertising interval for slow advertising. */
 uint32_t ble_adv_slow_timeout; /**< Time-out (in seconds) for slow advertising. */
 bool ble_adv_extended_enabled; /**< Enable or disable extended advertising. */
 uint32_t ble_adv_secondary_phy; /**< PHY for the secondary (extended) advertising @ref BLE_GAP_PHYS (BLE_GAP_PHY_1MBPS, BLE_GAP_PHY_2MBPS or BLE_GAP_PHY_CODED). */
 uint32_t ble_adv_primary_phy; /**< PHY for the primary advertising. @ref BLE_GAP_PHYS (BLE_GAP_PHY_1MBPS, BLE_GAP_PHY_2MBPS or BLE_GAP_PHY_CODED). */
} ble_adv_modes_config_t; 
 There, you can see a timeout for fast advertising & slow advertising (you will only need to worry about fast advertising most likely). The advertising timeout is set in advertising_init(). 
 Kind Regards, 
 Bjørn

Vasiliy Baryshnikov · Answer

In SDK 15, if you are using a template derived project, you should use the following statement with the parameter to stop advertising: 
 sd_ble_gap_adv_stop(m_advertising.adv_handle);

nRF52840 stop advertising

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