https://devzone.nordicsemi.com/f/nordic-q-a/48791/nrf_sdh_enable_request-returns-7-invalid-parameterHi, Just spent a while debugging this and since there seems to be nothing - well I can&#39;t find it anyway - up here thought I should document this issue. This relates to SDK 15.0.0 and softdevice S140. nrf_sdh_enable_request, while it doesn&#39;t take aen-USTelligent Community 13Thu, 20 Jun 2019 11:34:14 GMThttps://devzone.nordicsemi.com/thread/193881?ContentTypeID=1Thu, 20 Jun 2019 11:34:14 GMT137ad170-7792-4731-bb38-c0d22fbe4515:940ec789-c3cb-4575-b06c-e0ab61533a9dawneil<p>Another one which needs to be gathered together into some proper documentation for &quot;How To Use The RC Clock&quot;:</p> <p><a href="https://devzone.nordicsemi.com/f/nordic-q-a/46564/error-133-0x85-gatt-error-on-nrf52840/185283#185283">https://devzone.nordicsemi.com/f/nordic-q-a/46564/error-133-0x85-gatt-error-on-nrf52840/185283#185283</a></p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/193868?ContentTypeID=1Thu, 20 Jun 2019 10:43:46 GMT137ad170-7792-4731-bb38-c0d22fbe4515:1007659c-09e7-43d2-a318-309114514fb2Andreas<p>Hi Paul,</p> <p>&nbsp;</p> <p>Thanks submitting the tip, this will hopefully be useful to others.</p> <p>&nbsp;</p> <p>To anyone looking for more information, see the Softdevice API documentation, e.g.&nbsp;<a href="https://infocenter.nordicsemi.com/topic/com.nordic.infocenter.s140.api.v6.1.1/structnrf__clock__lf__cfg__t.html">https://infocenter.nordicsemi.com/topic/com.nordic.infocenter.s140.api.v6.1.1/structnrf__clock__lf__cfg__t.html</a></p> <p>&nbsp;</p> <p>Best regards,</p> <p>Andreas</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/193776?ContentTypeID=1Thu, 20 Jun 2019 04:21:59 GMT137ad170-7792-4731-bb38-c0d22fbe4515:a27e87ae-8885-4ca6-9e3c-b694aedebf7dpaul<p>When selecting Softdevice clock sources other than RC set&nbsp;&nbsp;NRF_SDH_CLOCK_LF_RC_TEMP_CTIV and&nbsp;NRF_SDH_CLOCK_LF_RC_CTIV in sdk_config.h to 0</p><div style="clear:both;"></div>