https://devzone.nordicsemi.com/f/nordic-q-a/56463/getting-problem-while-advertising-using-nrf_sdh_dispatch_model_pollingDo you have any example which is using NRF_SDH_DISPATCH_MODEL_POLLING for advertising, as well as scanning. In nrf_sdh.c file, there is only interrupt mechanism in example and for POLLING mechanism, there is no such implementation #elif (NRF_SDH_DISPATCH_MODELen-USTelligent Community 13Mon, 13 Jan 2020 13:14:22 GMThttps://devzone.nordicsemi.com/thread/228804?ContentTypeID=1Mon, 13 Jan 2020 13:14:22 GMT137ad170-7792-4731-bb38-c0d22fbe4515:657a0cef-106e-4277-8705-cdc862319153Kenneth<p>I don&#39;t think there is any example other than the description:</p> <p><a href="https://infocenter.nordicsemi.com/topic/sdk_nrf5_v16.0.0/group__nrf__sdh__config.html#ga8c62266e692470ae085da5cd4e995a81">https://infocenter.nordicsemi.com/topic/sdk_nrf5_v16.0.0/group__nrf__sdh__config.html#ga8c62266e692470ae085da5cd4e995a81</a>&nbsp;</p> <p>I assume you&nbsp;need to call&nbsp;nrf_sdh_evts_poll() manually as quickly as you can from main() when there is an BLE event.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/228706?ContentTypeID=1Mon, 13 Jan 2020 05:02:17 GMT137ad170-7792-4731-bb38-c0d22fbe4515:26e6eeea-c385-4b61-b960-d5292cb49daeSalmat<p>I think it is the case with freertos examples, for example in &quot;ble_app_hrs_freertos&quot; NRF_SDH_DISPATCH_MODEL_POLLING is defined in the sdk_config.h file.</p><div style="clear:both;"></div>