https://devzone.nordicsemi.com/f/nordic-q-a/1499/sdk-5-1-documentationHello, I&#39;m working on the nrf51822 with s110 stack and 5.1 SDK. Wy functions are not described in the documentation but just enums and data types ? I&#39;m looking for informations about some functions but i found them only in older docs...were someen-USTelligent Community 13Fri, 31 Jan 2014 13:40:41 GMThttps://devzone.nordicsemi.com/thread/6672?ContentTypeID=1Fri, 31 Jan 2014 13:40:41 GMT137ad170-7792-4731-bb38-c0d22fbe4515:3a413a69-db09-4357-b87c-c4d6f18fa2dfOle Morten<p>No problem, but I&#39;d appreciate it if you could accept my answer instead of posting a thank-you-reply, so that this question gets cleared up! :)</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/6671?ContentTypeID=1Fri, 31 Jan 2014 13:38:46 GMT137ad170-7792-4731-bb38-c0d22fbe4515:63be0869-339d-488c-817c-d05d944653f2thomas<p>thanks</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/6670?ContentTypeID=1Fri, 31 Jan 2014 13:15:13 GMT137ad170-7792-4731-bb38-c0d22fbe4515:633076bc-dd3b-4cda-b12d-3bc5f293eb5cOle Morten<p>All softdevice API functions are documented under API reference in the SDK documentation, available online <a href="https://devzone.nordicsemi.com/documentation/nrf51/5.1.0/index.html">here</a>.</p> <p>Specifically, the functions you ask about are linked below:</p> <ul> <li><a href="https://devzone.nordicsemi.com/documentation/nrf51/5.1.0/html/a00853.html#ga685489d21a0958e17ce84434970f4d11">sd_ble_gatts_characteristic_add()</a></li> <li><a href="https://devzone.nordicsemi.com/documentation/nrf51/5.1.0/html/a00853.html#ga846b1b86d54c1c6a4bd46dbbc63883f7">sd_ble_gatts_service_add()</a></li> <li>nrf_gpio_* is missing from the SDK documentation, but has previously been reported internally and will hopefully be fixed in a future version.</li> </ul> <p>In general, documentation on the different methods are available in the corresponding header file (for example nrf_gpio.h), so you can also just look at that instead of the generated output linked above.</p><div style="clear:both;"></div>