https://devzone.nordicsemi.com/f/nordic-q-a/7930/using-semihosting-to-printfThis is not working for me. My goal is to use printf() in my code. I follow the steps outlined in this link ..including calling initialise_monitor_handles(); before calling printf(). I rebuild/link -&gt; flash -&gt; debug -&gt; step over a line with a simpleen-USTelligent Community 13Tue, 30 Jun 2015 20:14:25 GMThttps://devzone.nordicsemi.com/thread/28342?ContentTypeID=1Tue, 30 Jun 2015 20:14:25 GMT137ad170-7792-4731-bb38-c0d22fbe4515:a9d07b0e-06b4-4507-ab10-7f93f704c20ei_am_trying<p>I took Victor&#39;s suggestion and tried RTT. I didn&#39;t know what RTT was, but it was simple to add printf() capabilities using it. I am running Eclipse for the IDE...so besides this tutorial; <a href="https://devzone.nordicsemi.com/tutorials/6/debugging-with-real-time-terminal/">devzone.nordicsemi.com/.../</a> and the additional steps specific to Eclipse from here: <a href="https://devzone.nordicsemi.com/question/38914/debugging-nrf51822-application-through-uart-using-sdk81-and-eclipsegcc-toolchain/">devzone.nordicsemi.com/.../</a></p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/28341?ContentTypeID=1Tue, 30 Jun 2015 20:08:10 GMT137ad170-7792-4731-bb38-c0d22fbe4515:7f159e70-9c25-443d-b724-97ffa6d14735i_am_trying<p>Thank you. Great suggestion - it works!</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/28340?ContentTypeID=1Tue, 30 Jun 2015 18:32:23 GMT137ad170-7792-4731-bb38-c0d22fbe4515:808c555b-2cfe-44b2-bf80-29efe2b387f3Victor Nascimento<p>Why no giving RTT a try? I&#39;m pretty satisfied with the results.</p><div style="clear:both;"></div>