92 lines
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92 lines
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<div id="projectname">PayloadFormatter
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<div id="projectbrief">Cette bibliothèque permet de facilement générer des trames en incorporant diverses informations et notamment des températures en format Q10.6.</div>
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<div class="title">Guide de démarrage rapide </div> </div>
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<div class="textblock"><h1><a class="anchor" id="intro_sec"></a>
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Introduction</h1>
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<p>Cette bibliothèque inclue une seule classe : <a class="el" href="class_payload_formatter.html" title="La classe PayloadFormatter permet de construire une trame formatée. ">PayloadFormatter</a>.<br />
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Elle permet de construire une trame contenant : le nombre total de trames à transmettre, le numéro de la trame transmise, le nombre de lignes de températures, le nombre de colonnes de températures, la date et l'heure,<br />
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la température extérieure, les températures de la matrice aux nombre de lignes * colonnes.<br />
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Cette trame peut ensuite être décodée via le décodeur de trame écrit en javascript disponible <a href="http://www.web-directories.tk/git/Th3maz1ng/projet3_temperature/src/branch/master/src/decodeur_trame_TTN/decodeur.js" target="_blank">ici</a>.<br />
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Ce décodeur peut être intégré à TTN.<br />
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<br />
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Attention, il faut préalablement installer la bibliothèque RTClib-master dans le dossier Documents\Arduino\libraries téléchargeable <a href="http://www.web-directories.tk/git/Th3maz1ng/ESP8266_swiss_army_board/src/branch/master/src/libs" target="_blank">ici</a>.<br />
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Elle est nécessaire car elle définit l'objet DateTime.</p>
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<p>Voici un code d'exemple de l'utilisation de l'objet <a class="el" href="class_payload_formatter.html" title="La classe PayloadFormatter permet de construire une trame formatée. ">PayloadFormatter</a> :</p>
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<div class="fragment"><div class="line"><span class="preprocessor">#include <PayloadFormatter.h></span></div><div class="line"></div><div class="line"><span class="comment">//Programme d'exemple d'utilisation de la bibliothèque PayloadFormatter</span></div><div class="line"><span class="comment">//Création de l'objet pour 4 températures internes (2 lignes par 2 colonnes)</span></div><div class="line"><a class="code" href="class_payload_formatter.html">PayloadFormatter</a> formatter(2,2);</div><div class="line"></div><div class="line"><span class="keywordtype">double</span> temperatureExterne = 28.58;</div><div class="line"><span class="keywordtype">double</span> temperatureInternes[2][4] = {{15.21,16.18,12.45,18.42},{18.58,11.49,22.38,9.73}};</div><div class="line">DateTime dt(2020, 5, 14, 12,39); <span class="comment">//14/05/2020 à 12h39</span></div><div class="line"></div><div class="line">uint8_t *buffer(NULL);</div><div class="line">uint16_t size(0);</div><div class="line"></div><div class="line"><span class="keywordtype">void</span> setup() </div><div class="line">{</div><div class="line"> Serial.begin(115200);</div><div class="line"> Serial.println(<span class="stringliteral">"Démarrage d'une session de construction de 2 trames"</span>);</div><div class="line"> </div><div class="line"> formatter.startSession(2);</div><div class="line"> size = formatter.buildPayload(&buffer, &dt, temperatureExterne, temperatureInternes[0]);</div><div class="line"> </div><div class="line"> Serial.print(<span class="stringliteral">"Trame construite : "</span>);</div><div class="line"> <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i(0); i < size; i++)</div><div class="line"> {</div><div class="line"> buffer[i] <= 0x0F ? Serial.print(<span class="stringliteral">"0"</span>) : Serial.print(<span class="stringliteral">""</span>); Serial.print(buffer[i], HEX); Serial.print(<span class="stringliteral">" "</span>);</div><div class="line"> }</div><div class="line"> Serial.printf(<span class="stringliteral">" de taille : %u\n Session terminee ? %s\n"</span>, size, formatter.endSession() ? <span class="stringliteral">"OUI"</span> : <span class="stringliteral">"NON"</span>);</div><div class="line"> </div><div class="line"> size = formatter.buildPayload(&buffer, &dt, temperatureExterne, temperatureInternes[1]);</div><div class="line"> </div><div class="line"> Serial.print(<span class="stringliteral">"Trame construite : "</span>);</div><div class="line"> <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i(0); i < size; i++)</div><div class="line"> {</div><div class="line"> buffer[i] <= 0x0F ? Serial.print(<span class="stringliteral">"0"</span>) : Serial.print(<span class="stringliteral">""</span>); Serial.print(buffer[i], HEX); Serial.print(<span class="stringliteral">" "</span>);</div><div class="line"> }</div><div class="line"> Serial.printf(<span class="stringliteral">" de taille : %u\n Session terminee ? %s\n"</span>, size, formatter.endSession() ? <span class="stringliteral">"OUI"</span> : <span class="stringliteral">"NON"</span>);</div><div class="line"> </div><div class="line"> Serial.println(<span class="stringliteral">"Fin de l'exemple"</span>);</div><div class="line">}</div><div class="line"></div><div class="line"><span class="keywordtype">void</span> loop() </div><div class="line">{</div><div class="line"></div><div class="line">}</div></div><!-- fragment --><dl class="section author"><dt>Auteur</dt><dd>Anatole SCHRAMM-HENRY </dd></dl>
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<dl class="section date"><dt>Date</dt><dd>15 Jan 2020 </dd></dl>
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<dl class="section copyright"><dt>Copyright</dt><dd>All Right Reserved </dd></dl>
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