{"id":189972,"date":"2012-02-03T11:30:00","date_gmt":"2012-02-03T10:30:00","guid":{"rendered":"https:\/\/cms.galaxiemedia.fr\/tomshardware\/2012\/02\/03\/windows-8-accelerometre-gyroscope-et-cie\/"},"modified":"2023-06-22T18:29:45","modified_gmt":"2023-06-22T16:29:45","slug":"windows-8-accelerometre-gyroscope-et-cie","status":"publish","type":"post","link":"https:\/\/www.tomshardware.fr\/windows-8-accelerometre-gyroscope-et-cie\/","title":{"rendered":"Windows 8 : acc\u00e9l\u00e9rom\u00e8tre, gyroscope et cie"},"content":{"rendered":"<p><span class=\"imgContent imgRight\"><span class=\"iZoom\"><img alt=\"Image 1 : Windows 8 : acc\u00e9l\u00e9rom\u00e8tre, gyroscope et cie\" decoding=\"async\" width=\"200\" height=\"134\" src=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2012\/02\/2262-yaw-pitch-roll-slate-win8-thumb-3b30cd96-200x134.png\" class=\"attachment-purch-200 size-purch-200\" alt=\"\" \/><\/span><\/span>Microsoft parle de la gestion des diff\u00e9rents capteurs dans <strong>Windows 8<\/strong>. Si les premiers PC se contentaient d&#8217;un clavier et d&#8217;un \u00e9cran, les mod\u00e8les actuels int\u00e8grent de plus en plus de p\u00e9riph\u00e9riques d&#8217;entr\u00e9e et de sortie et surtout ont de plus en plus de contr\u00f4le sur ces derniers.<\/p>\n<\/p>\n<p>Pour les \u00e9crans, deux choses sont de la partie : la prise en charge d&#8217;un <strong>capteur de luminosit\u00e9<\/strong> et celle d&#8217;un <strong>acc\u00e9l\u00e9rom\u00e8tre<\/strong>. Les deux sont d\u00e9j\u00e0 utilis\u00e9s dans certains appareils \u2014 ordinateurs portables et \u00e9crans dans le premier cas, smartphones et tablettes dans le second d\u00e9j\u00e0 \u2014mais Windows 8 devrait syst\u00e9matiser l&#8217;usage. Le capteur de luminosit\u00e9 sert essentiellement \u00e0 r\u00e9gler la luminosit\u00e9 de l&#8217;\u00e9cran en fonction de l&#8217;environnement. En dehors de l&#8217;aspect consommation \u2014 pas besoin de pousser le r\u00e9tro\u00e9clairage en int\u00e9rieur \u2014, il permet de rendre lisible un \u00e9cran au soleil si la technologie suit. Pour l&#8217;acc\u00e9l\u00e9rom\u00e8tre, il sert \u00e9videmment \u00e0 g\u00e9rer la rotation automatique de l&#8217;\u00e9cran.<\/p>\n<\/p>\n<p>Les <strong>boussoles num\u00e9riques<\/strong>, <strong>gyroscopes<\/strong> et autres capteurs de mouvement seront aussi de la partie. En dehors de l&#8217;usage classique dans les logiciels de navigation, ils sont aussi tr\u00e8s utiles dans les jeux : ils permettent de concevoir des interfaces qui r\u00e9agissent correctement aux mouvements. Un simple acc\u00e9l\u00e9rom\u00e8tre ne suffit pas et la boussole num\u00e9rique est aussi tr\u00e8s utile dans les syst\u00e8mes de r\u00e9alit\u00e9 augment\u00e9e. <\/p>\n<\/p>\n<p><span class=\"imgContent imgLeft\"><span class=\"iZoom\"><img alt=\"Image 2 : Windows 8 : acc\u00e9l\u00e9rom\u00e8tre, gyroscope et cie\" decoding=\"async\" width=\"200\" height=\"85\" src=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2012\/02\/1108-raw-accelerometer-data-user-walking-with-device-thumb-1a3d5aef-1-200x85.jpg\" class=\"attachment-purch-200 size-purch-200\" alt=\"\" \/><\/span><\/span>Point int\u00e9ressant, Microsoft va proposer des pilotes \u00ab <strong>standardis\u00e9s<\/strong> \u00bb pour les p\u00e9riph\u00e9riques. Ils devraient fonctionner avec des capteurs en <strong>USB<\/strong>, mais aussi pour les mod\u00e8les interfac\u00e9s en <strong>I2C<\/strong>, un bus s\u00e9rie tr\u00e8s simple et adapt\u00e9 \u00e0 des capteurs. De plus, Microsoft travaille avec l&#8217;USB Forum pour proposer un ajout \u00e0 la norme HID (celle utilis\u00e9e pour les claviers, souris, etc.) qui prendrait en charge les diff\u00e9rents capteurs. Enfin, Windows 8 est capable de prendre en charge directement les capteurs et de fournir des informations utilisables via des API d\u00e9di\u00e9es, ce qui \u00e9vite aux d\u00e9veloppeurs de g\u00e9rer directement des donn\u00e9es brutes.<\/p>\n<\/p>\n<p>Bien \u00e9videmment, la majorit\u00e9 des capteurs sont d\u00e9di\u00e9s aux appareils mobiles comme les tablettes, mais peuvent aussi servir dans des ordinateurs portables plus classiques et dans un environnement professionnel. Certains constructeurs installent par exemple depuis longtemps des acc\u00e9l\u00e9rom\u00e8tres dans leurs ordinateurs portables pour prot\u00e9ger les disques durs en cas de choc.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Microsoft parle de la gestion des diff\u00e9rents capteurs dans Windows 8.<\/p>","protected":false},"author":36,"featured_media":189973,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"ep_exclude_from_search":false,"footnotes":""},"categories":[487,4093,4109,4107,4068,4091],"tags":[556,511],"hubs":[],"acf":{"post_show_excerpt":false,"post_source":{"title":"Microsoft","url":"http:\/\/blogs.msdn.com\/b\/b8\/archive\/2012\/01\/24\/supporting-sensors-in-windows-8.aspx","target":""}},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v22.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Windows 8 : acc\u00e9l\u00e9rom\u00e8tre, 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