https://devzone.nordicsemi.com/f/nordic-q-a/74697/sscanf-causes-fault-on-nrf9160Hi, I&#39;m working in the asset tracker v2 project and currently I need to do a simple hex to char array conversion. This entails using sscanf. However the use of sscanf consistently produces a fault (z_arm_exc_spurious) even with the simple code belowen-USTelligent Community 13Thu, 06 May 2021 17:53:29 GMThttps://devzone.nordicsemi.com/thread/308614?ContentTypeID=1Thu, 06 May 2021 17:53:29 GMT137ad170-7792-4731-bb38-c0d22fbe4515:4a39a673-4258-428c-bfff-ba65e6b63247Aidanv<p>Thanks for the response. It turns out I had a large buffer that was likely exceeding the stack limitations and the sscanf was a red herring.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/308018?ContentTypeID=1Mon, 03 May 2021 20:50:58 GMT137ad170-7792-4731-bb38-c0d22fbe4515:2d1130da-92c0-4ebf-90fa-2ada0bd8fc55Sigurd<p>Hi,</p> <p><span>sscanf() is provided by newlib.&nbsp;</span>Try setting these</p> <p><pre class="ui-code" data-mode="text">CONFIG_NEWLIB_LIBC=y CONFIG_NEWLIB_LIBC_FLOAT_PRINTF=y CONFIG_NEWLIB_LIBC_FLOAT_SCANF=y</pre></p><div style="clear:both;"></div>