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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<title>STS21 et LTC2497: Référence de la classe LTC2497</title>
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<div id="projectname">STS21 et LTC2497
</div>
<div id="projectbrief">Cette bibliothèque propose deux pilotes différent : un pilote pour le STS21 et un pilote pour LTC2497 qui sont deux périphériques I2C.</div>
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<a href="#pub-types">Types publics</a> &#124;
<a href="#pub-methods">Fonctions membres publiques</a> &#124;
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<div class="headertitle">
<div class="title">Référence de la classe LTC2497</div> </div>
</div><!--header-->
<div class="contents">
<p>La classe <a class="el" href="class_l_t_c2497.html" title="La classe LTC2497 permet de dialoguer avec l&#39;ADC LTC2497 de Linear Technology Cette ADC à 16 entrées ...">LTC2497</a> permet de dialoguer avec l'ADC <a class="el" href="class_l_t_c2497.html" title="La classe LTC2497 permet de dialoguer avec l&#39;ADC LTC2497 de Linear Technology Cette ADC à 16 entrées ...">LTC2497</a> de Linear Technology Cette ADC à 16 entrées simples ou 8 entrées différentielles.<br />
Il a une résolution de 16 bits et peut prendre jusqu'à 27 adresses I2C différentes.
<a href="class_l_t_c2497.html#details">Plus de détails...</a></p>
<p><code>#include &lt;<a class="el" href="_l_t_c2497_8h_source.html">LTC2497.h</a>&gt;</code></p>
<div class="dynheader">
Graphe d'héritage de LTC2497:</div>
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<div class="center">
<img src="class_l_t_c2497.png" usemap="#LTC2497_map" alt=""/>
<map id="LTC2497_map" name="LTC2497_map">
<area href="class_i2_c_device.html" title="La classe I2CDevice est une classe abstraite servant de modèle pour le développement de pilote pour p..." alt="I2CDevice" shape="rect" coords="0,0,71,24"/>
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<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-types"></a>
Types publics</h2></td></tr>
<tr class="memitem:a2497416723f4b147584162791379b5e0"><td class="memItemLeft" align="right" valign="top">enum &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_l_t_c2497.html#a2497416723f4b147584162791379b5e0">ADC_CHAN</a> { <br />
&#160;&#160;<a class="el" href="class_l_t_c2497.html#a2497416723f4b147584162791379b5e0a849381ca50a8b3c3479f1217dc5ad073">CHAN_0</a> = 0b00000000,
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<br />
&#160;&#160;<a class="el" href="class_l_t_c2497.html#a2497416723f4b147584162791379b5e0ae0b3be6c35469407b4e5975b5835dccc">CHAN_4</a> = 0b00000010,
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<br />
&#160;&#160;<a class="el" href="class_l_t_c2497.html#a2497416723f4b147584162791379b5e0a9c3e88983e9b04eee0db62a599d2f163">CHAN_8</a> = 0b00000100,
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<br />
&#160;&#160;<a class="el" href="class_l_t_c2497.html#a2497416723f4b147584162791379b5e0a654658c382c8305242830b687ed2a322">CHAN_12</a> = 0b00000110,
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<br />
}</td></tr>
<tr class="memdesc:a2497416723f4b147584162791379b5e0"><td class="mdescLeft">&#160;</td><td class="mdescRight">Enumération de sélection du canal à sampler. <a href="class_l_t_c2497.html#a2497416723f4b147584162791379b5e0">Plus de détails...</a><br /></td></tr>
<tr class="separator:a2497416723f4b147584162791379b5e0"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Fonctions membres publiques</h2></td></tr>
<tr class="memitem:a7757b3d34ae4d8f17515177e1d21cacf"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_l_t_c2497.html#a7757b3d34ae4d8f17515177e1d21cacf">LTC2497</a> (const uint8_t address=0x45, double vref=3300)</td></tr>
<tr class="separator:a7757b3d34ae4d8f17515177e1d21cacf"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:acaaa6aedc2ea64be8a5768c2bf937034"><td class="memItemLeft" align="right" valign="top">virtual boolean&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_l_t_c2497.html#acaaa6aedc2ea64be8a5768c2bf937034">begin</a> ()</td></tr>
<tr class="separator:acaaa6aedc2ea64be8a5768c2bf937034"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a27cf079587fdbe533a5983078bc2e6cc"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_l_t_c2497.html#a27cf079587fdbe533a5983078bc2e6cc">setVref</a> (double vref)</td></tr>
<tr class="separator:a27cf079587fdbe533a5983078bc2e6cc"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:af55d7ebad741e173119eb0b3d4c4d7de"><td class="memItemLeft" align="right" valign="top">int32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_l_t_c2497.html#af55d7ebad741e173119eb0b3d4c4d7de">sampleValue</a> (<a class="el" href="class_l_t_c2497.html#a2497416723f4b147584162791379b5e0">ADC_CHAN</a> channel, boolean sgl=true)</td></tr>
<tr class="separator:af55d7ebad741e173119eb0b3d4c4d7de"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ae0e21023191e7b6382012096021508d5"><td class="memItemLeft" align="right" valign="top">int32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_l_t_c2497.html#ae0e21023191e7b6382012096021508d5">sampleValue</a> ()</td></tr>
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<tr class="memitem:adf9b647e3975e2405fa39fc36fc5a1b6"><td class="memItemLeft" align="right" valign="top">double&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_l_t_c2497.html#adf9b647e3975e2405fa39fc36fc5a1b6">sampleVoltage</a> (<a class="el" href="class_l_t_c2497.html#a2497416723f4b147584162791379b5e0">ADC_CHAN</a> channel, boolean sgl=true)</td></tr>
<tr class="separator:adf9b647e3975e2405fa39fc36fc5a1b6"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a48a591f543b07285d8189098e00fd855"><td class="memItemLeft" align="right" valign="top">double&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_l_t_c2497.html#a48a591f543b07285d8189098e00fd855">sampleVoltage</a> ()</td></tr>
<tr class="separator:a48a591f543b07285d8189098e00fd855"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="inherit_header pub_methods_class_i2_c_device"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_class_i2_c_device')"><img src="closed.png" alt="-"/>&#160;Fonctions membres publiques hérités de <a class="el" href="class_i2_c_device.html">I2CDevice</a></td></tr>
<tr class="memitem:a5b3b03732462a6249a9d857e6ca47fdc inherit pub_methods_class_i2_c_device"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_i2_c_device.html#a5b3b03732462a6249a9d857e6ca47fdc">I2CDevice</a> (const uint8_t address, TwoWire *twi=&amp;Wire)</td></tr>
<tr class="separator:a5b3b03732462a6249a9d857e6ca47fdc inherit pub_methods_class_i2_c_device"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="inherited"></a>
Membres hérités additionnels</h2></td></tr>
<tr class="inherit_header pro_attribs_class_i2_c_device"><td colspan="2" onclick="javascript:toggleInherit('pro_attribs_class_i2_c_device')"><img src="closed.png" alt="-"/>&#160;Attributs protégés hérités de <a class="el" href="class_i2_c_device.html">I2CDevice</a></td></tr>
<tr class="memitem:ac9d5359af30d52400f87428787cd74ec inherit pro_attribs_class_i2_c_device"><td class="memItemLeft" align="right" valign="top"><a id="ac9d5359af30d52400f87428787cd74ec"></a>
const uint8_t&#160;</td><td class="memItemRight" valign="bottom"><b>address</b></td></tr>
<tr class="separator:ac9d5359af30d52400f87428787cd74ec inherit pro_attribs_class_i2_c_device"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a051542d37cc42a51dd38a4df6d766fd2 inherit pro_attribs_class_i2_c_device"><td class="memItemLeft" align="right" valign="top"><a id="a051542d37cc42a51dd38a4df6d766fd2"></a>
TwoWire *&#160;</td><td class="memItemRight" valign="bottom"><b>twi</b></td></tr>
<tr class="separator:a051542d37cc42a51dd38a4df6d766fd2 inherit pro_attribs_class_i2_c_device"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ac5a7ba1a3dd144fbb040751ce0b3c20c inherit pro_attribs_class_i2_c_device"><td class="memItemLeft" align="right" valign="top"><a id="ac5a7ba1a3dd144fbb040751ce0b3c20c"></a>
boolean&#160;</td><td class="memItemRight" valign="bottom"><b>isPresent</b></td></tr>
<tr class="separator:ac5a7ba1a3dd144fbb040751ce0b3c20c inherit pro_attribs_class_i2_c_device"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Description détaillée</h2>
<div class="textblock"><p>La classe <a class="el" href="class_l_t_c2497.html" title="La classe LTC2497 permet de dialoguer avec l&#39;ADC LTC2497 de Linear Technology Cette ADC à 16 entrées ...">LTC2497</a> permet de dialoguer avec l'ADC <a class="el" href="class_l_t_c2497.html" title="La classe LTC2497 permet de dialoguer avec l&#39;ADC LTC2497 de Linear Technology Cette ADC à 16 entrées ...">LTC2497</a> de Linear Technology Cette ADC à 16 entrées simples ou 8 entrées différentielles.<br />
Il a une résolution de 16 bits et peut prendre jusqu'à 27 adresses I2C différentes. </p>
</div><h2 class="groupheader">Documentation des énumérations membres</h2>
<a id="a2497416723f4b147584162791379b5e0"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a2497416723f4b147584162791379b5e0">&#9670;&nbsp;</a></span>ADC_CHAN</h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">enum <a class="el" href="class_l_t_c2497.html#a2497416723f4b147584162791379b5e0">LTC2497::ADC_CHAN</a></td>
</tr>
</table>
</div><div class="memdoc">
<p>Enumération de sélection du canal à sampler. </p>
<table class="fieldtable">
<tr><th colspan="2">Valeurs énumérées</th></tr><tr><td class="fieldname"><a id="a2497416723f4b147584162791379b5e0a849381ca50a8b3c3479f1217dc5ad073"></a>CHAN_0&#160;</td><td class="fielddoc"><p>Canal 0 de l'ADC </p>
</td></tr>
<tr><td class="fieldname"><a id="a2497416723f4b147584162791379b5e0a29aba91a29f22ed7ab88139b70a88993"></a>CHAN_1&#160;</td><td class="fielddoc"><p>Canal 1 de l'ADC </p>
</td></tr>
<tr><td class="fieldname"><a id="a2497416723f4b147584162791379b5e0ae201f587af0704ca2a1ac3bb4f2db10e"></a>CHAN_2&#160;</td><td class="fielddoc"><p>Canal 2 de l'ADC </p>
</td></tr>
<tr><td class="fieldname"><a id="a2497416723f4b147584162791379b5e0a61767bf62c792aec35c75294bebb60b5"></a>CHAN_3&#160;</td><td class="fielddoc"><p>Canal 3 de l'ADC </p>
</td></tr>
<tr><td class="fieldname"><a id="a2497416723f4b147584162791379b5e0ae0b3be6c35469407b4e5975b5835dccc"></a>CHAN_4&#160;</td><td class="fielddoc"><p>Canal 4 de l'ADC </p>
</td></tr>
<tr><td class="fieldname"><a id="a2497416723f4b147584162791379b5e0a60aa9d7e19c239dffe54297ab3331992"></a>CHAN_5&#160;</td><td class="fielddoc"><p>Canal 5 de l'ADC </p>
</td></tr>
<tr><td class="fieldname"><a id="a2497416723f4b147584162791379b5e0aaee54b2910e976fee420785e3fcfa0e9"></a>CHAN_6&#160;</td><td class="fielddoc"><p>Canal 6 de l'ADC </p>
</td></tr>
<tr><td class="fieldname"><a id="a2497416723f4b147584162791379b5e0a4e12cd54b02e7f2dc99855a288032c8f"></a>CHAN_7&#160;</td><td class="fielddoc"><p>Canal 7 de l'ADC </p>
</td></tr>
<tr><td class="fieldname"><a id="a2497416723f4b147584162791379b5e0a9c3e88983e9b04eee0db62a599d2f163"></a>CHAN_8&#160;</td><td class="fielddoc"><p>Canal 8 de l'ADC </p>
</td></tr>
<tr><td class="fieldname"><a id="a2497416723f4b147584162791379b5e0a0edd99145f8029491709cc3af6e5f9d2"></a>CHAN_9&#160;</td><td class="fielddoc"><p>Canal 9 de l'ADC </p>
</td></tr>
<tr><td class="fieldname"><a id="a2497416723f4b147584162791379b5e0a3f01d492cc70d93dde5bab374a870479"></a>CHAN_10&#160;</td><td class="fielddoc"><p>Canal 10 de l'ADC </p>
</td></tr>
<tr><td class="fieldname"><a id="a2497416723f4b147584162791379b5e0af12c85f844a7347a460de7f8e4b46db7"></a>CHAN_11&#160;</td><td class="fielddoc"><p>Canal 11 de l'ADC </p>
</td></tr>
<tr><td class="fieldname"><a id="a2497416723f4b147584162791379b5e0a654658c382c8305242830b687ed2a322"></a>CHAN_12&#160;</td><td class="fielddoc"><p>Canal 12 de l'ADC </p>
</td></tr>
<tr><td class="fieldname"><a id="a2497416723f4b147584162791379b5e0a6b3478da38b2024d8d4764bd1e73b9a1"></a>CHAN_13&#160;</td><td class="fielddoc"><p>Canal 13 de l'ADC </p>
</td></tr>
<tr><td class="fieldname"><a id="a2497416723f4b147584162791379b5e0a618c2e349e27d80744ea0e16041b5a00"></a>CHAN_14&#160;</td><td class="fielddoc"><p>Canal 14 de l'ADC </p>
</td></tr>
<tr><td class="fieldname"><a id="a2497416723f4b147584162791379b5e0a81d64aba78d08fcc3204e65aeda7e578"></a>CHAN_15&#160;</td><td class="fielddoc"><p>Canal 15 de l'ADC </p>
</td></tr>
</table>
</div>
</div>
<h2 class="groupheader">Documentation des constructeurs et destructeur</h2>
<a id="a7757b3d34ae4d8f17515177e1d21cacf"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a7757b3d34ae4d8f17515177e1d21cacf">&#9670;&nbsp;</a></span>LTC2497()</h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">LTC2497::LTC2497 </td>
<td>(</td>
<td class="paramtype">const uint8_t&#160;</td>
<td class="paramname"><em>address</em> = <code>0x45</code>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">double&#160;</td>
<td class="paramname"><em>vref</em> = <code>3300</code>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Le constructeur de la classe prend en paramètres : </p><dl class="params"><dt>Paramètres</dt><dd>
<table class="params">
<tr><td class="paramname">address</td><td>: l'adresse I2C du périphérique </td></tr>
<tr><td class="paramname">vref</td><td>: la plage de tension des entrées analogiques en mv. </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<h2 class="groupheader">Documentation des fonctions membres</h2>
<a id="acaaa6aedc2ea64be8a5768c2bf937034"></a>
<h2 class="memtitle"><span class="permalink"><a href="#acaaa6aedc2ea64be8a5768c2bf937034">&#9670;&nbsp;</a></span>begin()</h2>
<div class="memitem">
<div class="memproto">
<table class="mlabels">
<tr>
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<td class="memname">virtual boolean LTC2497::begin </td>
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<p>Initialise le périphérique. </p><dl class="section return"><dt>Renvoie</dt><dd>boolean : true si l'initialisation a fonctionnée, false sinon. </dd></dl>
<p>Implémente <a class="el" href="class_i2_c_device.html#a8cfc5caa379a9d7a9eee0087c152b7a4">I2CDevice</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#af55d7ebad741e173119eb0b3d4c4d7de">&#9670;&nbsp;</a></span>sampleValue() <span class="overload">[1/2]</span></h2>
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<td class="memname">int32_t LTC2497::sampleValue </td>
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<td class="paramtype"><a class="el" href="class_l_t_c2497.html#a2497416723f4b147584162791379b5e0">ADC_CHAN</a>&#160;</td>
<td class="paramname"><em>channel</em>, </td>
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<p>Permet de récupérer la valeur numérique de la tension mesurée sur le canal <a class="el" href="class_l_t_c2497.html#a2497416723f4b147584162791379b5e0" title="Enumération de sélection du canal à sampler. ">ADC_CHAN</a> </p><dl class="params"><dt>Paramètres</dt><dd>
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<tr><td class="paramname">channel</td><td>: le canal de type <a class="el" href="class_l_t_c2497.html#a2497416723f4b147584162791379b5e0" title="Enumération de sélection du canal à sampler. ">ADC_CHAN</a> </td></tr>
<tr><td class="paramname">sgl</td><td>: indique si la mesure se fait en simple ou non. true pour simple, false pour différentielle. </td></tr>
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<dl class="section return"><dt>Renvoie</dt><dd>int32_t : valeur numérique entière correspondant à la tension mesurée. </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#ae0e21023191e7b6382012096021508d5">&#9670;&nbsp;</a></span>sampleValue() <span class="overload">[2/2]</span></h2>
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<td class="memname">int32_t LTC2497::sampleValue </td>
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<p>Permet de récupérer la valeur numérique de la tension mesurée sur le dernier canal <a class="el" href="class_l_t_c2497.html#a2497416723f4b147584162791379b5e0" title="Enumération de sélection du canal à sampler. ">ADC_CHAN</a> choisi. <br />
</p><dl class="section return"><dt>Renvoie</dt><dd>int32_t : valeur numérique entière correspondant à la tension mesurée. </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#adf9b647e3975e2405fa39fc36fc5a1b6">&#9670;&nbsp;</a></span>sampleVoltage() <span class="overload">[1/2]</span></h2>
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<td class="memname">double LTC2497::sampleVoltage </td>
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<td class="paramtype"><a class="el" href="class_l_t_c2497.html#a2497416723f4b147584162791379b5e0">ADC_CHAN</a>&#160;</td>
<td class="paramname"><em>channel</em>, </td>
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<p>Comme <a class="el" href="class_l_t_c2497.html#ae0e21023191e7b6382012096021508d5">sampleValue()</a>, mais renvoie la tension samplée sur le canal <a class="el" href="class_l_t_c2497.html#a2497416723f4b147584162791379b5e0" title="Enumération de sélection du canal à sampler. ">ADC_CHAN</a> en mv en se basant sur vref. </p><dl class="params"><dt>Paramètres</dt><dd>
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<tr><td class="paramname">channel</td><td>: le canal de type <a class="el" href="class_l_t_c2497.html#a2497416723f4b147584162791379b5e0" title="Enumération de sélection du canal à sampler. ">ADC_CHAN</a> </td></tr>
<tr><td class="paramname">sgl</td><td>: indique si la mesure se fait en simple ou non. true pour simple, false pour différentielle. </td></tr>
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<dl class="section return"><dt>Renvoie</dt><dd>double : la tension mesurée en mv. </dd></dl>
<dl class="section warning"><dt>Avertissement</dt><dd>Cette méthode n'est pas implémentée. </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#a48a591f543b07285d8189098e00fd855">&#9670;&nbsp;</a></span>sampleVoltage() <span class="overload">[2/2]</span></h2>
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<td class="memname">double LTC2497::sampleVoltage </td>
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<p>Comme <a class="el" href="class_l_t_c2497.html#a48a591f543b07285d8189098e00fd855">sampleVoltage()</a>, mais renvoie la tension samplée sur le dernier canal en mv en se basant sur vref. </p><dl class="section return"><dt>Renvoie</dt><dd>double : la tension mesurée en mv. </dd></dl>
<dl class="section warning"><dt>Avertissement</dt><dd>Cette méthode n'est pas implémentée. </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#a27cf079587fdbe533a5983078bc2e6cc">&#9670;&nbsp;</a></span>setVref()</h2>
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<td class="memname">void LTC2497::setVref </td>
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<td class="paramname"><em>vref</em></td><td>)</td>
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<p>Permet de définir vref </p><dl class="params"><dt>Paramètres</dt><dd>
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<tr><td class="paramname">vref</td><td>: la plage de tension des entrées analogiques en mv. </td></tr>
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<hr/>La documentation de cette classe a été générée à partir des fichiers suivants :<ul>
<li><a class="el" href="_l_t_c2497_8h_source.html">LTC2497.h</a></li>
<li>LTC2497.cpp</li>
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