static/freebsd/man4/ucycom.4 4.html


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<table class="head">
  <tr>
    <td class="head-ltitle">UCYCOM(4)</td>
    <td class="head-vol">Device Drivers Manual</td>
    <td class="head-rtitle">UCYCOM(4)</td>
  </tr>
</table>
<div class="manual-text">
<section class="Sh">
<h1 class="Sh" id="NAME"><a class="permalink" href="#NAME">NAME</a></h1>
<p class="Pp"><code class="Nm">ucycom</code> &#x2014; <span class="Nd">device
    driver for Cypress CY7C63743 and CY7C64013 USB to RS232 bridges</span></p>
</section>
<section class="Sh">
<h1 class="Sh" id="SYNOPSIS"><a class="permalink" href="#SYNOPSIS">SYNOPSIS</a></h1>
<p class="Pp">To compile this driver into the kernel, place the following line
    in your kernel configuration file:</p>
<div class="Bd Pp Bd-indent"><code class="Cd">device usb</code>
<br/>
<code class="Cd">device hid</code>
<br/>
<code class="Cd">device ucom</code>
<br/>
<code class="Cd">device ucycom</code></div>
<p class="Pp">Alternatively, to load the driver as a module at boot time, place
    the following line in <a class="Xr">loader.conf(5)</a>:</p>
<div class="Bd Pp Bd-indent Li">
<pre>ucycom_load=&quot;YES&quot;</pre>
</div>
</section>
<section class="Sh">
<h1 class="Sh" id="DESCRIPTION"><a class="permalink" href="#DESCRIPTION">DESCRIPTION</a></h1>
<p class="Pp">The <code class="Nm">ucycom</code> driver provides support for the
    Cypress CY7C63743 and CY7C64013 bridge chips. These chips were designed to
    provide a low-cost transition path to USB for existing RS232 devices, and
    have fairly limited capabilities.</p>
<p class="Pp">The <code class="Nm">ucycom</code> driver behaves like a
    <a class="Xr">tty(4)</a>.</p>
</section>
<section class="Sh">
<h1 class="Sh" id="HARDWARE"><a class="permalink" href="#HARDWARE">HARDWARE</a></h1>
<p class="Pp">The <code class="Nm">ucycom</code> driver currently supports the
    following devices which incorporate Cypress USB to RS232 bridge chips:</p>
<p class="Pp"></p>
<ul class="Bl-bullet Bl-compact">
  <li>DeLorme Earthmate USB GPS receiver</li>
</ul>
</section>
<section class="Sh">
<h1 class="Sh" id="FILES"><a class="permalink" href="#FILES">FILES</a></h1>
<dl class="Bl-tag Bl-compact">
  <dt><span class="Pa">/dev/ttyU*</span></dt>
  <dd>for callin ports</dd>
  <dt><span class="Pa">/dev/ttyU*.init</span></dt>
  <dd style="width: auto;">&#x00A0;</dd>
  <dt><span class="Pa">/dev/ttyU*.lock</span></dt>
  <dd>corresponding callin initial-state and lock-state devices
    <p class="Pp"></p>
  </dd>
  <dt><span class="Pa">/dev/cuaU*</span></dt>
  <dd>for callout ports</dd>
  <dt><span class="Pa">/dev/cuaU*.init</span></dt>
  <dd style="width: auto;">&#x00A0;</dd>
  <dt><span class="Pa">/dev/cuaU*.lock</span></dt>
  <dd>corresponding callout initial-state and lock-state devices</dd>
</dl>
</section>
<section class="Sh">
<h1 class="Sh" id="SEE_ALSO"><a class="permalink" href="#SEE_ALSO">SEE
  ALSO</a></h1>
<p class="Pp"><a class="Xr">tty(4)</a>, <a class="Xr">ucom(4)</a>,
    <a class="Xr">usb(4)</a></p>
</section>
<section class="Sh">
<h1 class="Sh" id="HISTORY"><a class="permalink" href="#HISTORY">HISTORY</a></h1>
<p class="Pp">The <code class="Nm">ucycom</code> driver first appeared in
    <span class="Ux">FreeBSD 5.3</span>.</p>
</section>
<section class="Sh">
<h1 class="Sh" id="AUTHORS"><a class="permalink" href="#AUTHORS">AUTHORS</a></h1>
<p class="Pp">The <code class="Nm">ucycom</code> driver and this manual page
    were written by <span class="An">Dag-Erling Sm&#x00F8;rgrav</span>
    &lt;<a class="Mt" href="mailto:des@FreeBSD.org">des@FreeBSD.org</a>&gt;.</p>
</section>
</div>
<table class="foot">
  <tr>
    <td class="foot-date">April 26, 2017</td>
    <td class="foot-os">FreeBSD 15.0</td>
  </tr>
</table>