<p>for some incomprehensible reason, this IP camera uses "Squirrel" <a href="http://www.squirrel-lang.org/" target="_blank" rel="nofollow noopener" translate="no"><span class="invisible">http://www.</span><span class="">squirrel-lang.org/</span><span class="invisible"></span></a>, a programming language used essentially exclusively in the Source engine games</p><p>it looks like they implemented motor control (zoom/panning) and RS485 comms in this language. there's functions that compute checksums and everything</p>