s-if-any"><b>Assumptions if any</b></h4>
<p>User is familiar with USB 2.0 “Universal Serial BUS” specification
and video class specification.</p>
<h4 id="known-limitations"><b>Known limitations</b></h4>
<p>None.</p>
<h3 id="notes"><b>Notes</b></h3>
<p>None</p>
<h4 id="threadx-usage-hints"><b>ThreadX usage hints</b></h4>
<ul>
<li>ThreadX uses the Systick as time base, thus it is mandatory that the
HAL uses a separate time base through the TIM IPs.</li>
<li>ThreadX is configured with 100 ticks/sec by defa