https://devzone.nordicsemi.com/f/nordic-q-a/5086/why-is-beacon-c-in-the-firmware-0-bytes-longWhen I run the nRF51822_beacon_firmware_1.1.0.msi to install the Nordic beacon firmware, the file &quot;beacon.c&quot; under C:\Nordic Semiconductor\nRF51822 Beacon v1.1.0\Source Code\nrf51_beacon\common\beacon is 0 bytes long. It&#39;s accompanying header file &quot;beaconen-USTelligent Community 13Mon, 12 Jan 2015 23:37:01 GMThttps://devzone.nordicsemi.com/thread/17891?ContentTypeID=1Mon, 12 Jan 2015 23:37:01 GMT137ad170-7792-4731-bb38-c0d22fbe4515:34f74b5f-a306-480e-972c-425fc2bbe055EdCubic<p>Upon closer inspection, I see that beacon.h contains only typedefs and no function signatures - so it could be that we don&#39;t need a beacon.c - but it might be better if that file were not included at all in the example. Thanks.</p><div style="clear:both;"></div>