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-<title>CanFestival: drivers/timers_unix/timers_unix.c Source File</title>
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-<a class="el" href="dir_65dd258ff9b9ef4cd7bd0d22f5e58dba.html">drivers</a> » <a class="el" href="dir_ef7bbe78f2bc1c31fd793635a3143fcc.html">timers_unix</a></div>
-<h1>timers_unix.c</h1><a href="timers__unix_8c.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="preprocessor">#include <stdlib.h></span>
-<a name="l00002"></a>00002
-<a name="l00003"></a>00003 <span class="preprocessor">#include <sys/time.h></span>
-<a name="l00004"></a>00004 <span class="preprocessor">#include <pthread.h></span>
-<a name="l00005"></a>00005 <span class="preprocessor">#include <signal.h></span>
-<a name="l00006"></a>00006
-<a name="l00007"></a>00007 <span class="preprocessor">#include "<a class="code" href="win32_2applicfg_8h.html">applicfg.h</a>"</span>
-<a name="l00008"></a>00008 <span class="preprocessor">#include "<a class="code" href="timer_8h.html">timer.h</a>"</span>
-<a name="l00009"></a>00009
-<a name="l00010"></a><a class="code" href="timers__unix_8c.html#16cebc4fb81e0421b9d57fcb5d7b2515">00010</a> pthread_mutex_t <a class="code" href="timers__unix_8c.html#16cebc4fb81e0421b9d57fcb5d7b2515">CanFestival_mutex</a> = PTHREAD_MUTEX_INITIALIZER;
-<a name="l00011"></a>00011
-<a name="l00012"></a><a class="code" href="timers__unix_8c.html#f62736ba59e8abc802e4b27965525bfa">00012</a> <a class="code" href="timers__unix_2timerscfg_8h.html#69c1aff70ae463b42314dc6689cb7400">TASK_HANDLE</a> <a class="code" href="timers__unix_8c.html#f62736ba59e8abc802e4b27965525bfa">TimerLoopThread</a>;
-<a name="l00013"></a>00013
-<a name="l00014"></a><a class="code" href="timers__unix_8c.html#ed17ba940066a6220122e40c59387729">00014</a> <a class="code" href="hcs12_2applicfg_8h.html#dea5fb459bddd6fd539cdf665dd657e6">TIMEVAL</a> <a class="code" href="timers__unix_8c.html#ed17ba940066a6220122e40c59387729">last_time_set</a> = <a class="code" href="hcs12_2applicfg_8h.html#9b8b68779cc690a9f699155420328d0f">TIMEVAL_MAX</a>;
-<a name="l00015"></a>00015
-<a name="l00016"></a><a class="code" href="timers__unix_8c.html#ed3ab12fbab0a49f4643a662d72332e7">00016</a> <span class="keyword">struct </span>timeval <a class="code" href="timers__unix_8c.html#ed3ab12fbab0a49f4643a662d72332e7">last_sig</a>;
-<a name="l00017"></a>00017
-<a name="l00018"></a><a class="code" href="timers__unix_8c.html#bfccb49fc2d68544485b740a56da0f47">00018</a> timer_t <a class="code" href="timers__unix_8c.html#bfccb49fc2d68544485b740a56da0f47">timer</a>;
-<a name="l00019"></a>00019
-<a name="l00020"></a><a class="code" href="timers__driver_8h.html#aa3c568288a54a9398524255602bbce8">00020</a> <span class="keywordtype">void</span> <a class="code" href="timers__unix_8c.html#aa3c568288a54a9398524255602bbce8">EnterMutex</a>(<span class="keywordtype">void</span>)
-<a name="l00021"></a>00021 {
-<a name="l00022"></a>00022 pthread_mutex_lock(&<a class="code" href="timers__unix_8c.html#16cebc4fb81e0421b9d57fcb5d7b2515">CanFestival_mutex</a>);
-<a name="l00023"></a>00023 }
-<a name="l00024"></a>00024
-<a name="l00025"></a><a class="code" href="timers__driver_8h.html#887d197b991c23bc11f626ae688abec7">00025</a> <span class="keywordtype">void</span> <a class="code" href="timers__unix_8c.html#887d197b991c23bc11f626ae688abec7">LeaveMutex</a>(<span class="keywordtype">void</span>)
-<a name="l00026"></a>00026 {
-<a name="l00027"></a>00027 pthread_mutex_unlock(&<a class="code" href="timers__unix_8c.html#16cebc4fb81e0421b9d57fcb5d7b2515">CanFestival_mutex</a>);
-<a name="l00028"></a>00028 }
-<a name="l00029"></a>00029
-<a name="l00030"></a><a class="code" href="timers__unix_8c.html#40e7943587a24eae55dd73d80a913750">00030</a> <span class="keywordtype">void</span> <a class="code" href="timers__unix_8c.html#40e7943587a24eae55dd73d80a913750">timer_notify</a>(sigval_t val)
-<a name="l00031"></a>00031 {
-<a name="l00032"></a>00032 gettimeofday(&<a class="code" href="timers__unix_8c.html#ed3ab12fbab0a49f4643a662d72332e7">last_sig</a>,NULL);
-<a name="l00033"></a>00033 <a class="code" href="timers__unix_8c.html#aa3c568288a54a9398524255602bbce8">EnterMutex</a>();
-<a name="l00034"></a>00034 <a class="code" href="timer_8c.html#7a5a515821c2e4fb2f66bac72389da00">TimeDispatch</a>();
-<a name="l00035"></a>00035 <a class="code" href="timers__unix_8c.html#887d197b991c23bc11f626ae688abec7">LeaveMutex</a>();
-<a name="l00036"></a>00036 <span class="comment">// printf("getCurrentTime() return=%u\n", p.tv_usec);</span>
-<a name="l00037"></a>00037 }
-<a name="l00038"></a>00038
-<a name="l00039"></a><a class="code" href="timers__unix_8c.html#607bd2711b85a87fce51334bb36bad1a">00039</a> <span class="keywordtype">void</span> <a class="code" href="canOpenDriver_8c.html#607bd2711b85a87fce51334bb36bad1a">initTimer</a>(<span class="keywordtype">void</span>)
-<a name="l00040"></a>00040 {
-<a name="l00041"></a>00041 <span class="keyword">struct </span>sigevent sigev;
-<a name="l00042"></a>00042
-<a name="l00043"></a>00043 <span class="comment">// Take first absolute time ref.</span>
-<a name="l00044"></a>00044 gettimeofday(&<a class="code" href="timers__unix_8c.html#ed3ab12fbab0a49f4643a662d72332e7">last_sig</a>,NULL);
-<a name="l00045"></a>00045
-<a name="l00046"></a>00046 memset (&sigev, 0, <span class="keyword">sizeof</span> (<span class="keyword">struct</span> sigevent));
-<a name="l00047"></a>00047 sigev.sigev_value.sival_int = 0;
-<a name="l00048"></a>00048 sigev.sigev_notify = SIGEV_THREAD;
-<a name="l00049"></a>00049 sigev.sigev_notify_attributes = NULL;
-<a name="l00050"></a>00050 sigev.sigev_notify_function = <a class="code" href="timers__unix_8c.html#40e7943587a24eae55dd73d80a913750">timer_notify</a>;
-<a name="l00051"></a>00051
-<a name="l00052"></a>00052 timer_create (CLOCK_REALTIME, &sigev, &<a class="code" href="timers__unix_8c.html#bfccb49fc2d68544485b740a56da0f47">timer</a>);
-<a name="l00053"></a>00053 }
-<a name="l00054"></a>00054
-<a name="l00055"></a><a class="code" href="timers__driver_8h.html#8d52f2db8b505e53ace5dd1c2a789d94">00055</a> <span class="keywordtype">void</span> <a class="code" href="timers__unix_8c.html#8d52f2db8b505e53ace5dd1c2a789d94">StopTimerLoop</a>(<span class="keywordtype">void</span>)
-<a name="l00056"></a>00056 {
-<a name="l00057"></a>00057 <a class="code" href="timers__unix_8c.html#aa3c568288a54a9398524255602bbce8">EnterMutex</a>();
-<a name="l00058"></a>00058 timer_delete (<a class="code" href="timers__unix_8c.html#bfccb49fc2d68544485b740a56da0f47">timer</a>);
-<a name="l00059"></a>00059 <a class="code" href="timers__unix_8c.html#887d197b991c23bc11f626ae688abec7">LeaveMutex</a>();
-<a name="l00060"></a>00060 }
-<a name="l00061"></a>00061
-<a name="l00062"></a><a class="code" href="timers__driver_8h.html#dd08f21a7c3fcbcd53a2c41b00879fdd">00062</a> <span class="keywordtype">void</span> <a class="code" href="timers__unix_8c.html#dd08f21a7c3fcbcd53a2c41b00879fdd">StartTimerLoop</a>(<a class="code" href="timer_8h.html#c8436e7543fa1329b00e570246071313">TimerCallback_t</a> init_callback)
-<a name="l00063"></a>00063 {
-<a name="l00064"></a>00064 <a class="code" href="canOpenDriver_8c.html#607bd2711b85a87fce51334bb36bad1a">initTimer</a>();
-<a name="l00065"></a>00065 <a class="code" href="timers__unix_8c.html#aa3c568288a54a9398524255602bbce8">EnterMutex</a>();
-<a name="l00066"></a>00066 <span class="comment">// At first, TimeDispatch will call init_callback.</span>
-<a name="l00067"></a>00067 <a class="code" href="timer_8c.html#956b22f24089db4c367f40199f838a20">SetAlarm</a>(NULL, 0, init_callback, 0, 0);
-<a name="l00068"></a>00068 <a class="code" href="timers__unix_8c.html#887d197b991c23bc11f626ae688abec7">LeaveMutex</a>();
-<a name="l00069"></a>00069 }
-<a name="l00070"></a>00070
-<a name="l00071"></a><a class="code" href="timers__driver_8h.html#1a890f533adc9b50e2a454fab1a7dc8c">00071</a> <span class="keywordtype">void</span> <a class="code" href="timers__unix_8c.html#09c921f9537f26895843a3c21620855b">CreateReceiveTask</a>(<a class="code" href="unix_2applicfg_8h.html#c5a917a8cacf5edd42ba6486c0c8a243">CAN_PORT</a> port, <a class="code" href="timers__unix_2timerscfg_8h.html#69c1aff70ae463b42314dc6689cb7400">TASK_HANDLE</a>* Thread, <span class="keywordtype">void</span>* ReceiveLoopPtr)
-<a name="l00072"></a>00072 {
-<a name="l00073"></a>00073 pthread_create(Thread, NULL, ReceiveLoopPtr, (<span class="keywordtype">void</span>*)port);
-<a name="l00074"></a>00074 }
-<a name="l00075"></a>00075
-<a name="l00076"></a><a class="code" href="timers__driver_8h.html#13098034e0ff8ee9fe20d193c82ecb1b">00076</a> <span class="keywordtype">void</span> <a class="code" href="timers__unix_8c.html#b21b041545f4dfc5660514fbc3c2f89c">WaitReceiveTaskEnd</a>(<a class="code" href="timers__unix_2timerscfg_8h.html#69c1aff70ae463b42314dc6689cb7400">TASK_HANDLE</a> Thread)
-<a name="l00077"></a>00077 {
-<a name="l00078"></a>00078 pthread_kill(Thread, SIGTERM);
-<a name="l00079"></a>00079 pthread_join(Thread, NULL);
-<a name="l00080"></a>00080 }
-<a name="l00081"></a>00081
-<a name="l00082"></a><a class="code" href="timers__unix_8c.html#191df9418bfcc2c4774dc16d694c3ae9">00082</a> <span class="preprocessor">#define maxval(a,b) ((a>b)?a:b)</span>
-<a name="l00083"></a><a class="code" href="timer_8h.html#7996006c628d2df030b9684d7a86acd1">00083</a> <span class="preprocessor"></span><span class="keywordtype">void</span> <a class="code" href="timers__unix_8c.html#7996006c628d2df030b9684d7a86acd1">setTimer</a>(<a class="code" href="hcs12_2applicfg_8h.html#dea5fb459bddd6fd539cdf665dd657e6">TIMEVAL</a> value)
-<a name="l00084"></a>00084 {
-<a name="l00085"></a>00085 <span class="comment">// printf("setTimer(TIMEVAL value=%d)\n", value);</span>
-<a name="l00086"></a>00086 <span class="comment">// TIMEVAL is us whereas setitimer wants ns...</span>
-<a name="l00087"></a>00087 <span class="keywordtype">long</span> tv_nsec = 1000 * (<a class="code" href="timers__unix_8c.html#191df9418bfcc2c4774dc16d694c3ae9">maxval</a>(value,1)%1000000);
-<a name="l00088"></a>00088 time_t tv_sec = value/1000000;
-<a name="l00089"></a>00089 <span class="keyword">struct </span>itimerspec timerValues;
-<a name="l00090"></a>00090 timerValues.it_value.tv_sec = tv_sec;
-<a name="l00091"></a>00091 timerValues.it_value.tv_nsec = tv_nsec;
-<a name="l00092"></a>00092 timerValues.it_interval.tv_sec = 0;
-<a name="l00093"></a>00093 timerValues.it_interval.tv_nsec = 0;
-<a name="l00094"></a>00094
-<a name="l00095"></a>00095 timer_settime (<a class="code" href="timers__unix_8c.html#bfccb49fc2d68544485b740a56da0f47">timer</a>, 0, &timerValues, NULL);
-<a name="l00096"></a>00096 }
-<a name="l00097"></a>00097
-<a name="l00098"></a><a class="code" href="timers__unix_8c.html#75efe30105165658d05d871255f8c0a2">00098</a> <a class="code" href="hcs12_2applicfg_8h.html#dea5fb459bddd6fd539cdf665dd657e6">TIMEVAL</a> <a class="code" href="canOpenDriver_8c.html#38b23a8ee3748bca3415967b90df1e15">getElapsedTime</a>(<span class="keywordtype">void</span>)
-<a name="l00099"></a>00099 {
-<a name="l00100"></a>00100 <span class="keyword">struct </span>timeval p;
-<a name="l00101"></a>00101 gettimeofday(&p,NULL);
-<a name="l00102"></a>00102 <span class="comment">// printf("getCurrentTime() return=%u\n", p.tv_usec);</span>
-<a name="l00103"></a>00103 <span class="keywordflow">return</span> (p.tv_sec - <a class="code" href="timers__unix_8c.html#ed3ab12fbab0a49f4643a662d72332e7">last_sig</a>.tv_sec)* 1000000 + p.tv_usec - <a class="code" href="timers__unix_8c.html#ed3ab12fbab0a49f4643a662d72332e7">last_sig</a>.tv_usec;
-<a name="l00104"></a>00104 }
-</pre></div><hr size="1"><address style="align: right;"><small>Generated on Mon Jul 2 19:10:16 2007 for CanFestival by
-<a href="http://www.doxygen.org/index.html">
-<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.1 </small></address>
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