source: trunk/third/xntp/html/driver33.htm @ 16192

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1<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">
2<html> <head>
3<meta http-equiv="Content-Type" content="text/html; charset=iso8859-1">
4<title>Dumb Clock</title>
5</head>
6
7<body>
8<h3>Dumb Clock</h3>
9
10<hr>
11<h4>Synopsis</h4>
12Address: 127.127.33.<i>u</i><br>
13Reference ID: <TT>DUMBCLOCK</TT><br>
14Driver ID: <tt>DUMBCLOCK</tt><br>
15Serial Port: <tt>/dev/dumbclock<i>u</i></tt>; 9600 bps, 8-bits,
16no parity<br>
17<br>Features: <tt>(none)</tt>
18<h4>Description</h4>
19This driver supports a dumb ASCII clock that only emits localtime at a reliable
20interval.  This has no provisions for leap seconds, quality codes,
21etc.  It assumes output in the local time zone, and that the C library
22mktime()/localtime() routines will correctly convert back and forth
23between local and UTC.
24
25<P>Most of this code is originally from refclock_wwvb.c with thanks. It
26has been so mangled that wwvb is not a recognizable ancestor.
27<pre>
28Timecode format: hh:mm:ssCL
29hh:mm:ss - local time
30C - \r (carriage return)
31L - \n (newline)
32</pre>
33<hr>
34<address></address>
35<!-- hhmts start -->
36Last modified: Sun Feb 14 12:07:01 EST 1999
37<!-- hhmts end -->
38</body> </html>
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