{"id":235154,"date":"2015-12-15T23:00:00","date_gmt":"2015-12-15T23:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/controleurs-accelerant-le-developpement-des-applications-de-detection-capacitive\/"},"modified":"2015-12-15T23:00:00","modified_gmt":"2015-12-15T23:00:00","slug":"controleurs-accelerant-le-developpement-des-applications-de-detection-capacitive","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/controleurs-accelerant-le-developpement-des-applications-de-detection-capacitive\/","title":{"rendered":"Contr\u00f4leurs acc\u00e9l\u00e9rant le d\u00e9veloppement des applications de d\u00e9tection capacitive"},"content":{"rendered":"<p>Ces composants int&eacute;ressent un large &eacute;ventail de produits, comme les appareils m&eacute;nagers, les produits blancs, l&rsquo;&eacute;lectronique grand public, le contr&ocirc;le de l&rsquo;&eacute;clairage, le mat&eacute;riel m&eacute;dical, l&rsquo;instrumentation et les panneaux de contr&ocirc;le.<br \/>\nLe contr&ocirc;leur d&rsquo;interrupteur GPIO CPT007B permet aux d&eacute;veloppeurs de remplacer rapidement jusqu&rsquo;&agrave; 7 touches m&eacute;caniques par des capteurs tactiles capacitifs sans aucun d&eacute;veloppement de firmware. Les interfaces GPIO fournissent directement au processeur h&ocirc;te le statut on\/off &#8203;&#8203;du capteur.<br \/>\nLe contr&ocirc;leur de capteur capacitif I2C CPT112S offre jusqu&rsquo;&agrave; 12 entr&eacute;es de capteurs pour simplifier l&rsquo;ajout de la fonctionnalit&eacute; de d&eacute;tection capacitive dans les interfaces tactiles. L&rsquo;interface I2C fournit un moyen facile de suivre l&rsquo;&eacute;tat des capteurs tactiles, et une broche d&rsquo;interruption peut r&eacute;veiller le processeur h&ocirc;te de son sommeil apr&egrave;s une d&eacute;tection tactile &agrave; proximit&eacute;.<br \/>\nCes deux circuits prennent en charge des fonctionnalit&eacute;s avanc&eacute;es telles que l&rsquo;immunit&eacute; contre l&rsquo;humidit&eacute;, le r&eacute;veil sur action &agrave; proximit&eacute;, la mise en veille (time-out) tactile, la s&eacute;lection mutuellement exclusive et le retour sonore (buzzer) pour encore am&eacute;liorer le confort d&rsquo;utilisation. Le composant CPT112S dispose &eacute;galement d&rsquo;une option de contr&ocirc;le du curseur.<br \/>\nGr&acirc;ce &agrave; la technologie brevet&eacute;e TouchXpress, aucune expertise en d&eacute;veloppement de firmware ou en programmation de capteurs capacitifs n&rsquo;est requise pour impl&eacute;menter des interfaces tactiles capacitives. Aucun composant externe n&rsquo;est requis et les d&eacute;veloppeurs peuvent facilement configurer et &eacute;valuer tous les param&egrave;tres de d&eacute;tection capacitive en utilisant l&rsquo;outil simple, intuitif et &agrave; interface graphique, Xpress Configurator and Capacitice Sense Profiler. <\/p>\n<\/p>\n<p>L&rsquo;efficacit&eacute; &eacute;nerg&eacute;tique exceptionnelle de ces composants, caract&eacute;ris&eacute;e par un courant aussi faible que 200 &micro;A en dynamique et inf&eacute;rieur &agrave; 1 &micro;A en mode sommeil, assure une longue dur&eacute;e de vie de la batterie ainsi que l&rsquo;utilisation de batteries plus petites, pour toutes sortes de dispositifs portables. Le remarquable rapport signal-sur-bruit (RSB) de 270:1 conduit &agrave; une meilleure fiabilit&eacute; et &agrave; des performances tactiles am&eacute;lior&eacute;es. Ces atouts sont importants, notamment pour les applications d&rsquo;instrumentation et de contr&ocirc;le. En outre, le faible encombrement de seulement 3 x 3 mm de leur bo&icirc;tier QFN-20 pr&eacute;sente un autre avantage pour les applications &agrave; espace restreint.\n<\/p>\n<hr \/>\n<p>&quot;Avec la demande croissante pour le contr&ocirc;le tactile capacitif dans les syst&egrave;mes embarqu&eacute;s, les d&eacute;veloppeurs sont &agrave; la recherche de techniques plus rapides, plus faciles et plus &eacute;conomiques d&rsquo;ajouter la technologie de d&eacute;tection capacitive &agrave; leurs conceptions,&quot; d&eacute;clare Daniel Cooley, vice-pr&eacute;sident du marketing pour les produits IoT &agrave; Silicon Labs. &quot;Les contr&ocirc;leurs TouchXpress de Silicon Labs, robustes et de faible consommation, permettent d&rsquo;&eacute;liminer le laborieux d&eacute;veloppement de firmware complexe et sont accompagn&eacute;s par des outils modernes et un environnement de conception prouv&eacute;e pour impl&eacute;menter des interfaces tactiles souples avec un risque minimal et une mise sur le march&eacute; acc&eacute;l&eacute;r&eacute;e.&quot; <\/p>\n<\/p>\n<p>L&rsquo;environnement logiciel unifi&eacute; Simplicity Studio fournit des outils avanc&eacute;s pour la configuration et le profilage des donn&eacute;es de d&eacute;tection capacitive. Le configurateur Xpress facile &agrave; utiliser configure rapidement les param&egrave;tres tactiles, g&eacute;n&egrave;re les personnalisations requises et inclut des options de programmation en usine. L&rsquo;outil de profilage de d&eacute;tection capacitive dispose d&rsquo;une interface graphique simple pour l&rsquo;&eacute;valuation en temps r&eacute;el de la d&eacute;tection capacitive, ce qui acc&eacute;l&egrave;re le prototypage et facilite la visualisation et le r&eacute;glage du syst&egrave;me. En outre, les kits d&rsquo;&eacute;valuation &eacute;conomiques SLEXP8007A et SLEXP8008A acc&eacute;l&egrave;rent encore plus les d&eacute;veloppements bas&eacute;s sur ces deux contr&ocirc;leurs.<\/p>\n<\/p>\n<p><a title=\"www.silabs.com\/TouchXpress\" target=\"_blank\" href=\"http:\/\/www.silabs.com\/TouchXpress\" rel=\"noopener\">www.silabs.com\/TouchXpress<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Robustes et de faible consommation, les contr\u00f4leurs \u00e0 fonction fixe TouchXpress CPT007B et CPT112S de Silicon Labs \u00e9liminent le laborieux d\u00e9veloppement de firmware en fournissant une solution cl\u00e9 en main simple pour ajouter des interfaces utilisateur tactiles capacitives dans les conceptions embarqu\u00e9es.<\/p>\n","protected":false},"author":22,"featured_media":235155,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[881],"tags":[],"domains":[47],"ppma_author":[1149],"class_list":["post-235154","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Contr\u00f4leurs acc\u00e9l\u00e9rant le d\u00e9veloppement des applications de...<\/title>\n<meta name=\"description\" content=\"Robustes et de faible consommation, les contr\u00f4leurs \u00e0 fonction fixe TouchXpress CPT007B et CPT112S de Silicon Labs \u00e9liminent le laborieux d\u00e9veloppement...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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