<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"> <title>UbixOS V2: src/sys/kernel/time.c Source File</title> <link href="doxygen.css" rel="stylesheet" type="text/css"> <link href="tabs.css" rel="stylesheet" type="text/css"> </head><body> <!-- Generated by Doxygen 1.4.7 --> <div class="tabs"> <ul> <li><a href="main.html"><span>Main Page</span></a></li> <li><a href="classes.html"><span>Data Structures</span></a></li> <li id="current"><a href="files.html"><span>Files</span></a></li> <li><a href="dirs.html"><span>Directories</span></a></li> <li> <form action="search.php" method="get"> <table cellspacing="0" cellpadding="0" border="0"> <tr> <td><label> <u>S</u>earch for </label></td> <td><input type="text" name="query" value="" size="20" accesskey="s"/></td> </tr> </table> </form> </li> </ul></div> <div class="tabs"> <ul> <li><a href="files.html"><span>File List</span></a></li> <li><a href="globals.html"><span>Globals</span></a></li> </ul></div> <div class="nav"> <a class="el" href="dir_897b6a2d7bab147dd1db58381aad3984.html">src</a> » <a class="el" href="dir_832905b1f7f5feaf61a306b40c0ac817.html">sys</a> » <a class="el" href="dir_7efffd2b1fae7bb6f2aa85845c863494.html">kernel</a></div> <h1>time.c</h1><a href="time_8c.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*****************************************************************************************</span> <a name="l00002"></a>00002 <span class="comment"> Copyright (c) 2002-2004 The UbixOS Project</span> <a name="l00003"></a>00003 <span class="comment"> All rights reserved.</span> <a name="l00004"></a>00004 <span class="comment"></span> <a name="l00005"></a>00005 <span class="comment"> Redistribution and use in source and binary forms, with or without modification, are</span> <a name="l00006"></a>00006 <span class="comment"> permitted provided that the following conditions are met:</span> <a name="l00007"></a>00007 <span class="comment"></span> <a name="l00008"></a>00008 <span class="comment"> Redistributions of source code must retain the above copyright notice, this list of</span> <a name="l00009"></a>00009 <span class="comment"> conditions, the following disclaimer and the list of authors. Redistributions in binary</span> <a name="l00010"></a>00010 <span class="comment"> form must reproduce the above copyright notice, this list of conditions, the following</span> <a name="l00011"></a>00011 <span class="comment"> disclaimer and the list of authors in the documentation and/or other materials provided</span> <a name="l00012"></a>00012 <span class="comment"> with the distribution. Neither the name of the UbixOS Project nor the names of its</span> <a name="l00013"></a>00013 <span class="comment"> contributors may be used to endorse or promote products derived from this software</span> <a name="l00014"></a>00014 <span class="comment"> without specific prior written permission.</span> <a name="l00015"></a>00015 <span class="comment"></span> <a name="l00016"></a>00016 <span class="comment"> THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY</span> <a name="l00017"></a>00017 <span class="comment"> EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF</span> <a name="l00018"></a>00018 <span class="comment"> MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL</span> <a name="l00019"></a>00019 <span class="comment"> THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,</span> <a name="l00020"></a>00020 <span class="comment"> SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT</span> <a name="l00021"></a>00021 <span class="comment"> OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)</span> <a name="l00022"></a>00022 <span class="comment"> HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR</span> <a name="l00023"></a>00023 <span class="comment"> TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS</span> <a name="l00024"></a>00024 <span class="comment"> SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.</span> <a name="l00025"></a>00025 <span class="comment"></span> <a name="l00026"></a>00026 <span class="comment"> $Id: time_8c-source.html 88 2016-01-12 00:11:29Z reddawg $</span> <a name="l00027"></a>00027 <span class="comment"></span> <a name="l00028"></a>00028 <span class="comment">*****************************************************************************************/</span> <a name="l00029"></a>00029 <a name="l00030"></a>00030 <span class="preprocessor">#include <<a class="code" href="types_8h.html">ubixos/types.h</a>></span> <a name="l00031"></a>00031 <span class="preprocessor">#include <<a class="code" href="time_8h.html">ubixos/time.h</a>></span> <a name="l00032"></a>00032 <span class="preprocessor">#include <<a class="code" href="vitals_8h.html">ubixos/vitals.h</a>></span> <a name="l00033"></a>00033 <span class="preprocessor">#include <<a class="code" href="kprintf_8h.html">lib/kprintf.h</a>></span> <a name="l00034"></a>00034 <span class="preprocessor">#include <<a class="code" href="assert_8h.html">assert.h</a>></span> <a name="l00035"></a>00035 <a name="l00036"></a><a class="code" href="time_8c.html#45d9da5c4bcc5def21490ffe633b7702">00036</a> <span class="keyword">static</span> <span class="keywordtype">int</span> <a class="code" href="time_8c.html#45d9da5c4bcc5def21490ffe633b7702">month</a>[12] = { <a name="l00037"></a>00037 0, <a name="l00038"></a>00038 <a class="code" href="time_8h.html#509a01c55cbe47386fe24602b7c7fda1">DAY</a>*(31), <a name="l00039"></a>00039 <a class="code" href="time_8h.html#509a01c55cbe47386fe24602b7c7fda1">DAY</a>*(31+29), <a name="l00040"></a>00040 <a class="code" href="time_8h.html#509a01c55cbe47386fe24602b7c7fda1">DAY</a>*(31+29+31), <a name="l00041"></a>00041 <a class="code" href="time_8h.html#509a01c55cbe47386fe24602b7c7fda1">DAY</a>*(31+29+31+30), <a name="l00042"></a>00042 <a class="code" href="time_8h.html#509a01c55cbe47386fe24602b7c7fda1">DAY</a>*(31+29+31+30+31), <a name="l00043"></a>00043 <a class="code" href="time_8h.html#509a01c55cbe47386fe24602b7c7fda1">DAY</a>*(31+29+31+30+31+30), <a name="l00044"></a>00044 <a class="code" href="time_8h.html#509a01c55cbe47386fe24602b7c7fda1">DAY</a>*(31+29+31+30+31+30+31), <a name="l00045"></a>00045 <a class="code" href="time_8h.html#509a01c55cbe47386fe24602b7c7fda1">DAY</a>*(31+29+31+30+31+30+31+31), <a name="l00046"></a>00046 <a class="code" href="time_8h.html#509a01c55cbe47386fe24602b7c7fda1">DAY</a>*(31+29+31+30+31+30+31+31+30), <a name="l00047"></a>00047 <a class="code" href="time_8h.html#509a01c55cbe47386fe24602b7c7fda1">DAY</a>*(31+29+31+30+31+30+31+31+30+31), <a name="l00048"></a>00048 <a class="code" href="time_8h.html#509a01c55cbe47386fe24602b7c7fda1">DAY</a>*(31+29+31+30+31+30+31+31+30+31+30) <a name="l00049"></a>00049 }; <a name="l00050"></a>00050 <a name="l00051"></a><a class="code" href="time_8c.html#087d7c6ad6802ed3e466ed1d6badf3c9">00051</a> <span class="keyword">static</span> <span class="keywordtype">int</span> <a class="code" href="time_8c.html#087d7c6ad6802ed3e466ed1d6badf3c9">timeCmosRead</a>(<span class="keywordtype">int</span> addr) { <a name="l00052"></a>00052 <a class="code" href="io_8h.html#f0c1dd5717007bf73b6c5119dfe7eaf2">outportByteP</a>(0x70,addr); <a name="l00053"></a>00053 <span class="keywordflow">return</span>((<span class="keywordtype">int</span>)<a class="code" href="io_8h.html#77b934268de1b3ecdcf3f275413b3108">inportByte</a>(0x71)); <a name="l00054"></a>00054 } <a name="l00055"></a>00055 <a name="l00056"></a><a class="code" href="time_8c.html#45c7647a44b3b3eef8e44809180e86b5">00056</a> <span class="keywordtype">int</span> <a class="code" href="time_8h.html#45c7647a44b3b3eef8e44809180e86b5">time_init</a>() { <a name="l00057"></a>00057 <span class="keywordtype">int</span> i; <a name="l00058"></a>00058 <span class="keyword">struct </span><a class="code" href="structtimeStruct.html">timeStruct</a> time; <a name="l00059"></a>00059 <a name="l00060"></a>00060 <span class="keywordflow">for</span> (i = 0 ; i < 1000000 ; i++) { <a name="l00061"></a>00061 <span class="keywordflow">if</span> (!(<a class="code" href="time_8c.html#087d7c6ad6802ed3e466ed1d6badf3c9">timeCmosRead</a>(10) & 0x80)) { <a name="l00062"></a>00062 <span class="keywordflow">break</span>; <a name="l00063"></a>00063 } <a name="l00064"></a>00064 } <a name="l00065"></a>00065 <a name="l00066"></a>00066 <span class="keywordflow">do</span> { <a name="l00067"></a>00067 time.<a class="code" href="structtimeStruct.html#e8a295d466724bf589ab44565582058c">sec</a> = <a class="code" href="time_8c.html#087d7c6ad6802ed3e466ed1d6badf3c9">timeCmosRead</a>(0); <a name="l00068"></a>00068 time.<a class="code" href="structtimeStruct.html#57b135de22bcb0d4ade7c0409bb5a779">min</a> = <a class="code" href="time_8c.html#087d7c6ad6802ed3e466ed1d6badf3c9">timeCmosRead</a>(2); <a name="l00069"></a>00069 time.<a class="code" href="structtimeStruct.html#6c0cf112b4706d5cacfb77116578cb5f">hour</a> = <a class="code" href="time_8c.html#087d7c6ad6802ed3e466ed1d6badf3c9">timeCmosRead</a>(4); <a name="l00070"></a>00070 time.<a class="code" href="structtimeStruct.html#51fdc39a8b730c40aed369102a79fb9d">day</a> = <a class="code" href="time_8c.html#087d7c6ad6802ed3e466ed1d6badf3c9">timeCmosRead</a>(7); <a name="l00071"></a>00071 time.<a class="code" href="structtimeStruct.html#4fa46e55c82bc273b4333814ee5fd5aa">mon</a> = <a class="code" href="time_8c.html#087d7c6ad6802ed3e466ed1d6badf3c9">timeCmosRead</a>(8); <a name="l00072"></a>00072 time.<a class="code" href="structtimeStruct.html#b445a5158d90b51e249809848de5a9da">year</a> = <a class="code" href="time_8c.html#087d7c6ad6802ed3e466ed1d6badf3c9">timeCmosRead</a>(9); <a name="l00073"></a>00073 } <span class="keywordflow">while</span> (time.<a class="code" href="structtimeStruct.html#e8a295d466724bf589ab44565582058c">sec</a> != <a class="code" href="time_8c.html#087d7c6ad6802ed3e466ed1d6badf3c9">timeCmosRead</a>(0)); <a name="l00074"></a>00074 <a name="l00075"></a>00075 <a class="code" href="time_8h.html#da3d00d14e596527afd939066ebae6bd">BCD_TO_BIN</a>(time.<a class="code" href="structtimeStruct.html#e8a295d466724bf589ab44565582058c">sec</a>); <a name="l00076"></a>00076 <a class="code" href="time_8h.html#da3d00d14e596527afd939066ebae6bd">BCD_TO_BIN</a>(time.<a class="code" href="structtimeStruct.html#57b135de22bcb0d4ade7c0409bb5a779">min</a>); <a name="l00077"></a>00077 <a class="code" href="time_8h.html#da3d00d14e596527afd939066ebae6bd">BCD_TO_BIN</a>(time.<a class="code" href="structtimeStruct.html#6c0cf112b4706d5cacfb77116578cb5f">hour</a>); <a name="l00078"></a>00078 <a class="code" href="time_8h.html#da3d00d14e596527afd939066ebae6bd">BCD_TO_BIN</a>(time.<a class="code" href="structtimeStruct.html#51fdc39a8b730c40aed369102a79fb9d">day</a>); <a name="l00079"></a>00079 <a class="code" href="time_8h.html#da3d00d14e596527afd939066ebae6bd">BCD_TO_BIN</a>(time.<a class="code" href="structtimeStruct.html#4fa46e55c82bc273b4333814ee5fd5aa">mon</a>); <a name="l00080"></a>00080 <a class="code" href="time_8h.html#da3d00d14e596527afd939066ebae6bd">BCD_TO_BIN</a>(time.<a class="code" href="structtimeStruct.html#b445a5158d90b51e249809848de5a9da">year</a>); <a name="l00081"></a>00081 <a name="l00082"></a>00082 <span class="comment">/* Set up our start time in seconds */</span> <a name="l00083"></a>00083 <a class="code" href="vitals_8h.html#67aae71be472453526fc1a0bfbf80280">systemVitals</a>-><a class="code" href="structvitalsStruct.html#c407388b447996ea3bad97aebbb5e1a6">timeStart</a> = <a class="code" href="time_8h.html#50a9563bc49b27c587f341b0336bab7e">timeMake</a>(&time); <a name="l00084"></a>00084 <a name="l00085"></a>00085 <a class="code" href="kprint_8h.html#b2761bdf0cca73ad0fb5880895210cd8">kprintf</a>(<span class="stringliteral">"%i/%i/%i %i:%i.%i\n"</span>,time.<a class="code" href="structtimeStruct.html#4fa46e55c82bc273b4333814ee5fd5aa">mon</a>,time.<a class="code" href="structtimeStruct.html#51fdc39a8b730c40aed369102a79fb9d">day</a>,time.<a class="code" href="structtimeStruct.html#b445a5158d90b51e249809848de5a9da">year</a>,time.<a class="code" href="structtimeStruct.html#6c0cf112b4706d5cacfb77116578cb5f">hour</a>,time.<a class="code" href="structtimeStruct.html#57b135de22bcb0d4ade7c0409bb5a779">min</a>,time.<a class="code" href="structtimeStruct.html#e8a295d466724bf589ab44565582058c">sec</a>); <a name="l00086"></a>00086 <a name="l00087"></a>00087 <a name="l00088"></a>00088 <span class="comment">/* Return so we know all went well */</span> <a name="l00089"></a>00089 <span class="keywordflow">return</span>(0x0); <a name="l00090"></a>00090 } <a name="l00091"></a>00091 <a name="l00092"></a><a class="code" href="time_8c.html#50a9563bc49b27c587f341b0336bab7e">00092</a> <a class="code" href="types_8h.html#5847ea0262a5aa61eee48cbe95544a78">uInt32</a> <a class="code" href="time_8h.html#50a9563bc49b27c587f341b0336bab7e">timeMake</a>(<span class="keyword">struct</span> <a class="code" href="structtimeStruct.html">timeStruct</a> *time) { <a name="l00093"></a>00093 <a class="code" href="types_8h.html#5847ea0262a5aa61eee48cbe95544a78">uInt32</a> res; <a name="l00094"></a>00094 <span class="keywordtype">int</span> <a class="code" href="structtimeStruct.html#b445a5158d90b51e249809848de5a9da">year</a>; <a name="l00095"></a>00095 <a name="l00096"></a>00096 year = (time-><a class="code" href="structtimeStruct.html#b445a5158d90b51e249809848de5a9da">year</a>+100) - 70; <a name="l00097"></a>00097 <span class="comment">/* magic offsets (y+1) needed to get leapyears right.*/</span> <a name="l00098"></a>00098 res = <a class="code" href="time_8h.html#5871356500f559add06ea81d60331b1b">YEAR</a>*year + <a class="code" href="time_8h.html#509a01c55cbe47386fe24602b7c7fda1">DAY</a>*((year+1)/4); <a name="l00099"></a>00099 res += <a class="code" href="time_8c.html#45d9da5c4bcc5def21490ffe633b7702">month</a>[time-><a class="code" href="structtimeStruct.html#4fa46e55c82bc273b4333814ee5fd5aa">mon</a>]; <a name="l00100"></a>00100 <span class="comment">/* and (y+2) here. If it wasn't a leap-year, we have to adjust */</span> <a name="l00101"></a>00101 <span class="keywordflow">if</span> (time-><a class="code" href="structtimeStruct.html#4fa46e55c82bc273b4333814ee5fd5aa">mon</a>>1 && ((year+2)%4)) <a name="l00102"></a>00102 res -= DAY; <a name="l00103"></a>00103 res += DAY*(time-><a class="code" href="structtimeStruct.html#51fdc39a8b730c40aed369102a79fb9d">day</a>-1); <a name="l00104"></a>00104 res += <a class="code" href="time_8h.html#4698ae12cf6a8acb5886fffd0ec897e6">HOUR</a>*time-><a class="code" href="structtimeStruct.html#6c0cf112b4706d5cacfb77116578cb5f">hour</a>; <a name="l00105"></a>00105 res += <a class="code" href="time_8h.html#c1454fa04f41c693f39425697a137d82">MINUTE</a>*time-><a class="code" href="structtimeStruct.html#57b135de22bcb0d4ade7c0409bb5a779">min</a>; <a name="l00106"></a>00106 res += time-><a class="code" href="structtimeStruct.html#e8a295d466724bf589ab44565582058c">sec</a>; <a name="l00107"></a>00107 <span class="keywordflow">return</span>(res); <a name="l00108"></a>00108 } <a name="l00109"></a>00109 <a name="l00110"></a><a class="code" href="time_8c.html#df30830f5265e55035171c301eb9c3fb">00110</a> <span class="keywordtype">int</span> <a class="code" href="time_8h.html#df30830f5265e55035171c301eb9c3fb">gettimeofday</a>(<span class="keyword">struct</span> <a class="code" href="structtimeval.html">timeval</a> *tp,<span class="keyword">struct</span> <a class="code" href="structtimezone.html">timezone</a> *tzp) { <a name="l00111"></a>00111 <span class="comment">//tp->tv_sec = systemVitals->timeStart + systemVitals->sysUptime;</span> <a name="l00112"></a>00112 tp-><a class="code" href="structtimeval.html#3599199839a89e99a2ce29d45312b5cf">tv_sec</a> = 0x0;<span class="comment">//systemVitals->sysUptime;</span> <a name="l00113"></a>00113 tp-><a class="code" href="structtimeval.html#810bf8fcd58e255a5c1896d19538b86a">tv_usec</a> = 0x0; <a name="l00114"></a>00114 <span class="keywordflow">return</span>(0x0); <a name="l00115"></a>00115 } <a name="l00116"></a>00116 <a name="l00117"></a>00117 <span class="comment">/***</span> <a name="l00118"></a>00118 <span class="comment"> END</span> <a name="l00119"></a>00119 <span class="comment"> ***/</span> <a name="l00120"></a>00120 </pre></div><hr size="1"><address style="align: right;"><small>Generated on Fri Dec 15 11:18:55 2006 for UbixOS V2 by <a href="http://www.doxygen.org/index.html"> <img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.4.7 </small></address> </body> </html>