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FireBee_Setup/tools/vision/ldv/doc/english/vapi/lo.htm
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<title>Documentation VISION (VAPI) : Configuration Interface</title></head>
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<td align="center" width="17%"><a href="in.htm"><img style="border: 0px solid ; width: 46px; height: 26px;" src="../images/cprev.jpg" alt="Chapitre précédent" hspace="2"></a><a href="index.htm"><img src="../images/csom.jpg" alt="Retour au sommaire" border="0" height="26" hspace="2" width="26"></a><a href="struct.htm"><img style="border: 0px solid ; width: 43px; height: 26px;" src="../images/csuiv.jpg" alt="Chapitre suivant" hspace="2"></a></td>
<td rowspan="2" align="center" valign="top" width="8%"><p align="center"><img src="../images/icoprinc.gif" height="71" width="59"></p>
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<td width="33%"><p align="center"><font color="#0000ff" size="5"><strong>Documentation </strong><em><strong>VISION
(VAPI)</strong></em></font></p>
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<td rowspan="2" align="center" valign="top" width="8%"><p align="center"><img src="../images/icointro.gif" height="71" width="59"></p>
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<td valign="top" width="17%"><p align="left">Last update&nbsp;: 08/26/18</p>
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<td width="17%"><p align="center"><a href="..%5C..%5C..%5Cdownload/dvldv.zip"><br></a></p>
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<td width="33%"><p align="center"><font size="4"><strong>LOGGING INTERFACE</strong></font></p>
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<td align="center" width="17%">&nbsp;</td>
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<td colspan="2" align="center"><strong>Abstract</strong></td>
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<td width="15%"><strong>Interface Prefix</strong></td>
<td width="85%">Lo</td>
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<td width="15%"><strong>Nomber of functions</strong></td>
<td width="85%">2</td>
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<td width="15%"><strong>Description</strong></td>
<td width="85%">Set of&nbsp; functions enabling logging from LDV</td>
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<p>&nbsp;</p>
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<td width="15%"><a name="LoDoLog"></a><strong>Prototype</strong></td>
<td width="85%">long cdecl <span style="font-weight: bold;">L</span><strong>oDoLog</strong>(unsigned long level, char* format, ...)</td>
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<td width="15%"><strong>Parameters</strong></td>
<td width="85%">level:
bitmask defining the logging level of the message:: LL_FATAL, LL_ERROR,
LL_WARNING, LL_INFO, LL_PERF, LL_MEM, LL_GW2, LL_GW1, LL_DEBUG, LL_KCODE, LL_TMP2, LL_TMP1<br>format: format string for parameters passed after (just like sprintf)<br>...: dynamic list of parameters to pass (cf. <a href="https://en.wikipedia.org/wiki/Ellipsis_%28computer_programming%29">'C' ellipsis</a>)</td>
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<td width="15%"><strong>Return</strong></td>
<td width="85%">Number of bytes written to logging file</td>
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<td width="15%"><strong>Description</strong></td>
<td width="85%">Used to send information to&nbsp;<em><strong>VISION</strong></em>'s logging file; typically for debugging, performance or error<br>Note that if level parameter does not match current&nbsp;<em><strong>VISION</strong></em>''s
logging level bitmask, this function will simply return without even
starting formatting data (which may have been CPU consuming)</td>
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<td width="15%"><strong>Remarks</strong></td>
<td width="85%">Example:<br>Vapi-&gt;LoDoLog(LL_DEBUG, "%ld pixels computed or deduced", np) ;<br></td>
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<td width="15%"><strong>VAPI </strong><strong>Version</strong></td>
<td width="85%">1.04 or more</td>
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<p>&nbsp;</p>
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<td width="15%"><a name="LoGetLogLevel"></a><strong>Prototype</strong></td>
<td width="85%">unsigned long cdecl <span style="font-weight: bold;">L</span><strong>oGetLogLevel</strong>(void)</td>
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<td width="15%"><strong>Parameters</strong></td>
<td width="85%">None</td>
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<td width="15%"><strong>Return</strong></td>
<td width="85%">The bitmask logging level currently used by <em><strong>VISION</strong></em></td>
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<td width="15%"><strong>Description</strong></td>
<td width="85%">Used to know what is the current&nbsp;<em><strong>VISION</strong></em>'s logging level in order to not proceed to some useless computation for some message which won't be logged anyway</td>
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<td width="15%"><strong>Remarks</strong></td>
<td width="85%">Use
this function only if you may have extra computation before calling
LoDoLog as LoDoLog will return immediatly if logging level does not
match loggng level message.</td>
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<td width="15%"><strong>VAPI </strong><strong>Version</strong></td>
<td width="85%">1.04 or more</td>
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<p>&nbsp;</p>
<div align="center"><center><br></center></div>
<hr>
<div align="center"><center>
<table border="0" cellpadding="0" cellspacing="0" width="100%">
<tbody><tr>
<td align="center" width="17%"><a href="in.htm"><img style="border: 0px solid ; width: 46px; height: 26px;" src="../images/cprev.jpg" alt="Chapitre précédent" hspace="2"></a><a href="index.htm"><img src="../images/csom.jpg" alt="Retour au sommaire" border="0" height="26" hspace="2" width="26"></a><a href="struct.htm"><img style="border: 0px solid ; width: 43px; height: 26px;" src="../images/csuiv.jpg" alt="Chapitre suivant" hspace="2"></a></td>
<td rowspan="2" align="center" valign="top" width="8%"><p align="center"><img src="../images/icoprinc.gif" height="71" width="59"></p>
</td>
<td width="33%"><p align="center"><font color="#0000ff" size="5"><strong>Documentation </strong><em><strong>VISION
(VAPI)</strong></em></font></p>
</td>
<td rowspan="2" align="center" valign="top" width="8%"><p align="center"><img src="../images/icointro.gif" height="71" width="59"></p>
</td>
<td valign="top" width="17%"><p align="left"></p>
</td>
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<td width="17%"><p align="center"><a href="..%5C..%5C..%5Cdownload/dvldv.zip"><br></a></p>
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<td width="33%"><p align="center"><font size="4"><strong>LOGGING</strong></font><font size="4"><strong>&nbsp;INTERFACE</strong></font></p>
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<td valign="top" width="17%">&nbsp; </td>
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</center></div>
</body></html>
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