/contrib/ntp/html/drivers/driver33.html
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1<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> 2 3<html> 4 5 <head> 6 <meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"> 7 <title>Dumb Clock</title> 8 <link href="scripts/style.css" type="text/css" rel="stylesheet"> 9 </head> 10 11 <body> 12 <h3>Dumb Clock</h3> 13 <hr> 14 <h4>Synopsis</h4> 15 <p>Address: 127.127.33.<i>u</i><br> 16 Reference ID: <tt>DUMBCLOCK</tt><br> 17 Driver ID: <tt>DUMBCLOCK</tt><br> 18 Serial Port: <tt>/dev/dumbclock<i>u</i></tt>; 9600 bps, 8-bits, no parity<br> 19 Features: <tt>(none)</tt></p> 20 <h4>Description</h4> 21 <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> 22 <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> 23 <pre> 24Timecode format: hh:mm:ssCL 25hh:mm:ss - local time 26C - \r (carriage return) 27L - \n (newline) 28</pre> 29 <hr> 30 <!-- hhmts start -->Last modified: Sun Feb 14 12:07:01 EST 1999 <!-- hhmts end --> 31 <hr> 32 <script type="text/javascript" language="javascript" src="scripts/footer.txt"></script> 33 </body> 34 35</html>