xref: /freebsd/contrib/ntp/html/drivers/driver33.html (revision ea906c4152774dff300bb26fbfc1e4188351c89a)
19c2daa00SOllivier Robert<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
29c2daa00SOllivier Robert
39c2daa00SOllivier Robert<html>
49c2daa00SOllivier Robert
59c2daa00SOllivier Robert	<head>
6ea906c41SOllivier Robert		<meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1">
79c2daa00SOllivier Robert		<title>Dumb Clock</title>
8ea906c41SOllivier Robert		<link href="scripts/style.css" type="text/css" rel="stylesheet">
99c2daa00SOllivier Robert	</head>
109c2daa00SOllivier Robert
119c2daa00SOllivier Robert	<body>
129c2daa00SOllivier Robert		<h3>Dumb Clock</h3>
139c2daa00SOllivier Robert		<hr>
149c2daa00SOllivier Robert		<h4>Synopsis</h4>
159c2daa00SOllivier Robert		<p>Address: 127.127.33.<i>u</i><br>
169c2daa00SOllivier Robert			Reference ID: <tt>DUMBCLOCK</tt><br>
179c2daa00SOllivier Robert			Driver ID: <tt>DUMBCLOCK</tt><br>
189c2daa00SOllivier Robert			Serial Port: <tt>/dev/dumbclock<i>u</i></tt>; 9600 bps, 8-bits, no parity<br>
199c2daa00SOllivier Robert			Features: <tt>(none)</tt></p>
209c2daa00SOllivier Robert		<h4>Description</h4>
219c2daa00SOllivier Robert		<p>This driver supports a dumb ASCII clock that only emits localtime at a reliable interval. This has no provisions for leap seconds, quality codes, etc. It assumes output in the local time zone, and that the C library mktime()/localtime() routines will correctly convert back and forth between local and UTC.</p>
229c2daa00SOllivier Robert		<p>Most of this code is originally from refclock_wwvb.c with thanks. It has been so mangled that wwvb is not a recognizable ancestor.</p>
239c2daa00SOllivier Robert		<pre>
249c2daa00SOllivier RobertTimecode format: hh:mm:ssCL
259c2daa00SOllivier Roberthh:mm:ss - local time
269c2daa00SOllivier RobertC - \r (carriage return)
279c2daa00SOllivier RobertL - \n (newline)
289c2daa00SOllivier Robert</pre>
299c2daa00SOllivier Robert		<hr>
309c2daa00SOllivier Robert		<!-- hhmts start -->Last modified: Sun Feb 14 12:07:01 EST 1999 <!-- hhmts end -->
319c2daa00SOllivier Robert		<hr>
32ea906c41SOllivier Robert		<script type="text/javascript" language="javascript" src="scripts/footer.txt"></script>
339c2daa00SOllivier Robert	</body>
349c2daa00SOllivier Robert
359c2daa00SOllivier Robert</html>