s a design example. </p>
<p>The purpose of this function is to illustrate how to use the <a class="el" href="struct_x_uart_ps.html" title="The XUartPs driver instance data structure. ">XUartPs</a> driver.</p>
<p>This function sends data and expects to receive the same data through the device using the local loopback mode.</p>
<p>This function uses interrupt mode of the device.</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">IntcInstPtr</td><td>is a point