https://devzone.nordicsemi.com/f/nordic-q-a/11929/debugging-mode-errorHi, Everyone, I am trying to understand BLE app code and using debugger to find the values of the data sent over BLE during advertising mode. But during debugging I tried to find the definition of one function and it says &quot; Source Browser : &#39;sd_ble_gap_adv_data_seten-USTelligent Community 13Tue, 16 Feb 2016 21:20:19 GMThttps://devzone.nordicsemi.com/thread/45183?ContentTypeID=1Tue, 16 Feb 2016 21:20:19 GMT137ad170-7792-4731-bb38-c0d22fbe4515:52aec3dd-9343-4bae-b299-8957a16805cbnirmal@nordic<p>Thank you John...</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/45182?ContentTypeID=1Tue, 16 Feb 2016 19:26:14 GMT137ad170-7792-4731-bb38-c0d22fbe4515:bb5b508b-18a9-4ac2-9cc6-2dac1b137d1eJohn<p>A lot of the sd_xxxx functions are implemented as SVCALLs and Keil doesn&#39;t seem to like following those when you use the &quot;go to definition&quot; feature of the IDE. If you do a global search you can find where the SVCALL is defined and see the header comment documenting how it works.</p><div style="clear:both;"></div>