doc/manual/en/html/node19.html
author etisserant
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permissions -rw-r--r--
Added "Default value" to context menu on subindex grid in objdictedit.
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
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<!--Converted with LaTeX2HTML 2002-2-1 (1.71)
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original version by:  Nikos Drakos, CBLU, University of Leeds
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* revised and updated by:  Marcus Hennecke, Ross Moore, Herb Swan
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* with significant contributions from:
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  Jens Lippmann, Marek Rouchal, Martin Wilck and others -->
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<HTML>
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<HEAD>
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<TITLE>CanFestival CAN interfaces</TITLE>
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<META NAME="description" CONTENT="CanFestival CAN interfaces">
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<LINK REL="STYLESHEET" HREF="manual.css">
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<LINK REL="next" HREF="node20.html">
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<LINK REL="next" HREF="node20.html">
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</HEAD>
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<BODY >
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<DIV CLASS="navigation"><!--Navigation Panel-->
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<A NAME="tex2html384"
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  HREF="node20.html">
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<A NAME="tex2html380"
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  HREF="node16.html">
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<A NAME="tex2html374"
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  HREF="node18.html">
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<IMG WIDTH="63" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="previous"
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<A NAME="tex2html382"
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  HREF="node1.html">
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<IMG WIDTH="65" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="contents"
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 SRC="/usr/share/latex2html/icons/contents.png"></A>  
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<BR>
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<B> Next:</B> <A NAME="tex2html385"
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  HREF="node20.html">CanFestival events scheduling</A>
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<B> Up:</B> <A NAME="tex2html381"
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  HREF="node16.html">Understanding Canfestival</A>
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<B> Previous:</B> <A NAME="tex2html375"
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  HREF="node18.html">Implement CanFestival in your</A>
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 &nbsp; <B>  <A NAME="tex2html383"
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  HREF="node1.html">Contents</A></B> 
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<BR>
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<BR></DIV>
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<!--End of Navigation Panel-->
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<H2><A NAME="SECTION00053000000000000000">
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CanFestival CAN interfaces</A>
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</H2>
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Because most CAN controllers and drivers implement FIFOs, CanFestival
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consider sending message as a non bloking operation.
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<P>
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In order to prevent reentrent calls to the stack, messages reception is
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implemented differently on &#181;C and OS.:
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<P>
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<OL>
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<LI>&#181;C must provide interuption masking for timer and can
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receive IT
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<BR>
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<IMG
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</DIV>
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</LI>
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<LI>OS must provide a receive thread, a timer thread and a mutex. CAN
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reception is a bloking operation.
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<BR>
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</DIV>
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</LI>
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</OL>
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<BR><HR>
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<ADDRESS>
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epimerde
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2007-06-08
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</HTML>