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189 lines
11 KiB
HTML
Executable File
189 lines
11 KiB
HTML
Executable File
<html><body>
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<!-- Generated by Doxygen 1.2.11.1 -->
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<center>
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<a class="qindex" href="index.html">Main Page</a> <a class="qindex" href="namespaces.html">Namespace List</a> <a class="qindex" href="annotated.html">Compound List</a> <a class="qindex" href="files.html">File List</a> <a class="qindex" href="namespacemembers.html">Namespace Members</a> <a class="qindex" href="functions.html">Compound Members</a> </center>
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<hr><h1>main.cpp File Reference</h1>Fantom Driver Example.
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<a href="#_details">More...</a>
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<p>
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<code>#include "<a class="el" href="iNXT_8h-source.html">fantom/iNXT.h</a>"</code><br>
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<code>#include "<a class="el" href="iNXTIterator_8h-source.html">fantom/iNXTIterator.h</a>"</code><br>
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<code>#include "<a class="el" href="tStatus_8h-source.html">fantom/tStatus.h</a>"</code><br>
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<code>#include <string.h></code><br>
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<table border=0 cellpadding=0 cellspacing=0>
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<tr><td colspan=2><br><h2>Functions</h2></td></tr>
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<tr><td nowrap align=right valign=top><a name="a0" doxytag="main.cpp::main"></a>
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int _VI_FUNCC </td><td valign=bottom><b>main</b> (int argc, char **argv)</td></tr>
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</table>
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<hr><a name="_details"></a><h2>Detailed Description</h2>
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Fantom Driver Example.
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<p>
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<p>
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<p>
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<div class="fragment"><pre>
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<font class="comment">/*</font>
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<font class="comment"> © Copyright 2006,</font>
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<font class="comment"> National Instruments Corporation.</font>
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<font class="comment"> All rights reserved.</font>
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<font class="comment"></font>
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<font class="comment"> Originated: 10 March 2006</font>
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<font class="comment">*/</font>
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<font class="comment">// includes...</font>
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<font class="preprocessor">#include "<a class="code" href="iNXT_8h.html">fantom/iNXT.h</a>"</font>
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<font class="preprocessor">#include "<a class="code" href="iNXTIterator_8h.html">fantom/iNXTIterator.h</a>"</font>
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<font class="preprocessor">#include "<a class="code" href="tStatus_8h.html">fantom/tStatus.h</a>"</font>
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<font class="preprocessor">#include <string.h></font>
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<font class="comment">// globally-scoped globals...</font>
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<font class="comment">// private globals...</font>
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<font class="comment">// methods...</font>
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<font class="keywordtype">int</font> _VI_FUNCC main( <font class="keywordtype">int</font> argc, <font class="keywordtype">char</font>** argv )<font class="keyword"></font>
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<font class="keyword"></font>{
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<a class="code" href="classnFANTOM100_1_1tStatus.html">nFANTOM100::tStatus</a> status;
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<a class="code" href="classnFANTOM100_1_1iNXTIterator.html">nFANTOM100::iNXTIterator</a>* nxtIteratorPtr = NULL;
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<a class="code" href="classnFANTOM100_1_1iNXT.html">nFANTOM100::iNXT</a>* nxtPtr = NULL;
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<a class="code" href="classnFANTOM100_1_1iFile.html">nFANTOM100::iFile</a>* filePtr = NULL;
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<a class="code" href="classnFANTOM100_1_1iFileIterator.html">nFANTOM100::iFileIterator</a>* fileIteratorPtr = NULL;
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<font class="comment">// Create an NXT iterator object which is used to find all accessible NXT devices.</font>
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nxtIteratorPtr = <a class="code" href="classnFANTOM100_1_1iNXT.html#d2">nFANTOM100::iNXT::createNXTIterator</a>(
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<font class="keyword">false</font> <font class="comment">/* don't search for NXTs over Bluetooth (only search USB) */</font>,
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0 <font class="comment">/* timeout for Bluetooth discovery ignored */</font>, status );
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<font class="comment">// Creating the NXT iterator object could fail, better check status before dereferencing a</font>
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<font class="comment">// potentially NULL pointer.</font>
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<font class="keywordflow">if</font>( status.<a class="code" href="classnFANTOM100_1_1tStatus.html#a11">isNotFatal</a>())
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{
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<font class="comment">// Create an NXT object for the first NXT that was found. Note that if a NXT is found</font>
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<font class="comment">// over BT, the computer and the NXT must be paired before an NXT object can be</font>
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<font class="comment">// created. This can be done programatically using the iNXT::pairBluetooth method.</font>
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nxtPtr = nxtIteratorPtr-><a class="code" href="classnFANTOM100_1_1iNXTIterator.html#a2">getNXT</a>( status );
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<font class="comment">// Destroy the NXT iterator object which we no longer need</font>
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<a class="code" href="classnFANTOM100_1_1iNXT.html#d3">nFANTOM100::iNXT::destroyNXTIterator</a>( nxtIteratorPtr );
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}
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<font class="comment">// Creating the NXT object could fail, better check status before dereferencing a potentially</font>
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<font class="comment">// NULL pointer.</font>
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<font class="keywordflow">if</font>( status.<a class="code" href="classnFANTOM100_1_1tStatus.html#a11">isNotFatal</a>())
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{
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ViUInt8 protocolVersionMajor = 0;
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ViUInt8 protocolVersionMinor = 0;
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ViUInt8 firmwareVersionMajor = 0;
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ViUInt8 firmwareVersionMinor = 0;
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<font class="comment">// Query the version numbers for the protocol and firmware installed on the NXT.</font>
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nxtPtr-><a class="code" href="classnFANTOM100_1_1iNXT.html#a8">getFirmwareVersion</a>( protocolVersionMajor, protocolVersionMinor,
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firmwareVersionMajor, firmwareVersionMinor, status );
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<font class="comment">// This is a direct command to play a tone.</font>
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ViUInt8 directCommandBuffer[] = { 0x03, 0x00, 0x18, 0x10, 0x00 };
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<font class="comment">// Send the direct command to the NXT.</font>
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nxtPtr-><a class="code" href="classnFANTOM100_1_1iNXT.html#a9">sendDirectCommand</a>( <font class="keyword">false</font> <font class="comment">/* a response is not required for this direct command */</font>,
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reinterpret_cast< ViByte* >( directCommandBuffer ), <font class="keyword">sizeof</font>( directCommandBuffer ),
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NULL <font class="comment">/* no response buffer */</font>, 0 <font class="comment">/* no response buffer, specify 0 for size */</font>, status );
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<font class="comment">// Create a file object</font>
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filePtr = nxtPtr-><a class="code" href="classnFANTOM100_1_1iNXT.html#a0">createFile</a>( <font class="stringliteral">"example.log"</font>, status );
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}
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<font class="comment">// Creating the file object could fail, better check status before dereferencing a</font>
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<font class="comment">// potentially NULL pointer.</font>
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<font class="keywordflow">if</font>( status.<a class="code" href="classnFANTOM100_1_1tStatus.html#a11">isNotFatal</a>())
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{
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ViUInt8 fileBuffer[100] = {};
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ViUInt32 fileSizeInBytes = 100;
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<font class="keywordflow">for</font>( ViUInt8 index = 0; index < fileSizeInBytes; ++index )
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{
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fileBuffer[index] = index;
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}
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<font class="comment">// Open the file for writing, this will also create this file on the NXT.</font>
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filePtr-><a class="code" href="classnFANTOM100_1_1iFile.html#a4">openForWrite</a>( fileSizeInBytes, status );
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<font class="comment">// Write the file contents.</font>
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filePtr-><a class="code" href="classnFANTOM100_1_1iFile.html#a10">write</a>( fileBuffer, fileSizeInBytes, status );
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<font class="comment">// Close the file.</font>
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filePtr-><a class="code" href="classnFANTOM100_1_1iFile.html#a8">close</a>( status );
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<font class="comment">// Destroy the file object. Note that this does not affect the file on the NXT.</font>
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nxtPtr-><a class="code" href="classnFANTOM100_1_1iNXT.html#a1">destroyFile</a>( filePtr );
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<font class="comment">// Create a file iterator object which is used to find files on the NXT.</font>
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fileIteratorPtr = nxtPtr-><a class="code" href="classnFANTOM100_1_1iNXT.html#a2">createFileIterator</a>( <font class="stringliteral">"*.*"</font> <font class="comment">/* find all files on the NXT */</font>,
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status );
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}
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<font class="comment">// Creating the file iterator object could fail, better check status before dereferencing a</font>
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<font class="comment">// potentially NULL pointer.</font>
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<font class="keywordflow">if</font>( status.<a class="code" href="classnFANTOM100_1_1tStatus.html#a11">isNotFatal</a>())
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{
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ViChar fileName[20];
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<font class="comment">// Iterate through all of the files on the NXT until we find our log file. Obviously,</font>
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<font class="comment">// this isn't necessary in this simple example but is for illustrative purposes.</font>
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<font class="keywordflow">while</font>( status.<a class="code" href="classnFANTOM100_1_1tStatus.html#a11">isNotFatal</a>())
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{
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fileIteratorPtr-><a class="code" href="classnFANTOM100_1_1iFileIterator.html#a2">getName</a>( fileName, status );
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<font class="keywordflow">if</font>( 0 == ::strcmp( fileName, <font class="stringliteral">"example.log"</font> ))
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{
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<font class="keywordflow">break</font>;
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}
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fileIteratorPtr-><a class="code" href="classnFANTOM100_1_1iFileIterator.html#a1">advance</a>( status );
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}
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<font class="comment">// Now that we have found our log file, create a file object that corresponds to it.</font>
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filePtr = fileIteratorPtr-><a class="code" href="classnFANTOM100_1_1iFileIterator.html#a0">getFile</a>( status );
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<font class="comment">// Destroy the file iterator.</font>
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nxtPtr-><a class="code" href="classnFANTOM100_1_1iNXT.html#a3">destroyFileIterator</a>( fileIteratorPtr );
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}
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<font class="comment">// Creating the file object could fail, better check status before dereferencing a</font>
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<font class="comment">// potentially NULL pointer.</font>
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<font class="keywordflow">if</font>( status.<a class="code" href="classnFANTOM100_1_1tStatus.html#a11">isNotFatal</a>())
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{
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ViUInt8 fileBuffer[100] = {};
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ViUInt32 fileSizeInBytes = 100;
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<font class="comment">// Open the file for reading.</font>
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filePtr-><a class="code" href="classnFANTOM100_1_1iFile.html#a3">openForRead</a>( status );
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<font class="comment">// Read the file contents.</font>
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filePtr-><a class="code" href="classnFANTOM100_1_1iFile.html#a9">read</a>( fileBuffer, fileSizeInBytes, status );
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<font class="comment">// Close the file.</font>
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filePtr-><a class="code" href="classnFANTOM100_1_1iFile.html#a8">close</a>( status );
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<font class="comment">// Remove the file. This deletes the file from the NXT.</font>
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filePtr-><a class="code" href="classnFANTOM100_1_1iFile.html#a11">remove</a>( status );
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<font class="comment">// Destroy the file object.</font>
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nxtPtr-><a class="code" href="classnFANTOM100_1_1iNXT.html#a1">destroyFile</a>( filePtr );
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}
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<font class="comment">// Destroy the NXT object.</font>
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<a class="code" href="classnFANTOM100_1_1iNXT.html#d1">nFANTOM100::iNXT::destroyNXT</a>( nxtPtr );
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<font class="keywordflow">return</font> 0;
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}
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</pre></div>
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<p>
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<p>
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© Copyright 2005-2006, National Instruments Corporation. All rights reserved.
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</p>
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</body></html>
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