{"id":37396,"date":"2019-10-31T22:17:23","date_gmt":"2019-10-31T19:17:23","guid":{"rendered":"https:\/\/prohoster.info\/blog\/predstavleny-varianty-qt5-dlya-mikrokontrollerov-i-os-2\/"},"modified":"2019-10-31T22:17:23","modified_gmt":"2019-10-31T19:17:23","slug":"predstavleny-varianty-qt5-dlya-mikrokontrollerov-i-os-2","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/predstavleny-varianty-qt5-dlya-mikrokontrollerov-i-os-2","title":{"rendered":"Byly p\u0159edstaveny varianty Qt5 pro mikro\u0159adi\u010de a OS\/2","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Projekt Qt p\u0159edstavil<\/a><\/noindex> verzi r\u00e1mcov\u00e9ho programu pro mikro\u0159adi\u010de a n\u00edzkon\u00e1kladov\u00e1 za\u0159\u00edzen\u00ed \u2014 Qt pro MCUs<\/a><\/noindex>. Mezi v\u00fdhody projektu pat\u0159\u00ed mo\u017enost vytv\u00e1\u0159en\u00ed grafick\u00fdch aplikac\u00ed pro mikrokontrol\u00e9ry s vyu\u017eit\u00edm zn\u00e1m\u00e9ho API a v\u00fdvoj\u00e1\u0159sk\u00fdch n\u00e1stroj\u016f, kter\u00e9 se pou\u017e\u00edvaj\u00ed tak\u00e9 pro vytv\u00e1\u0159en\u00ed plnohodnotn\u00e9ho GUI pro desktopov\u00e9 syst\u00e9my. Rozhran\u00ed pro mikrokontrol\u00e9ry se vytv\u00e1\u0159\u00ed nejen pomoc\u00ed C++ API, ale tak\u00e9 prost\u0159ednictv\u00edm QML s widgety Qt Quick Controls, kter\u00e9 byly p\u0159izp\u016fsobeny pro mal\u00e9 obrazovky, obvykle pou\u017e\u00edvan\u00e9 v spot\u0159ebn\u00ed elektronice, nositeln\u00fdch za\u0159\u00edzen\u00edch, pr\u016fmyslov\u00e9m vybaven\u00ed a syst\u00e9mech smart home. <\/p>\n

Pro dosa\u017een\u00ed vysok\u00e9ho v\u00fdkonu jsou skripty QML p\u0159ekl\u00e1d\u00e1ny do k\u00f3du C++, a vykreslov\u00e1n\u00ed je realizov\u00e1no pomoc\u00ed samostatn\u00e9ho grafick\u00e9ho enginu optimalizovan\u00e9ho pro vytv\u00e1\u0159en\u00ed grafick\u00fdch rozhran\u00ed v podm\u00ednk\u00e1ch n\u00edzk\u00e9 pam\u011bti a procesorov\u00fdch zdroj\u016f. Tento engine byl vyvinut s ohledem na mikrokontrol\u00e9ry ARM Cortex-M a podporuje akceler\u00e1tory 2D grafiky, jako je PxP na \u010dipech NXP i.MX RT, Chrom-Art na \u010dipech STM32 a RGL na \u010dipech Renesas RH850. Pro testov\u00e1n\u00ed je zat\u00edm dostupn\u00e1 pouze demo verze<\/a><\/noindex>.<\/p>\n

\"Byly<\/a><\/noindex><\/center><\/p>\n

D\u00e1le lze poznamenat vytvo\u0159en\u00ed<\/a><\/noindex> nez\u00e1visl\u00fdmi nad\u0161enci portu Qt5 pro opera\u010dn\u00ed syst\u00e9m OS\/2. Port zahrnuje v\u0161echny hlavn\u00ed slo\u017eky modulu QtBase a je ji\u017e p\u0159ipraven pro kompilaci a spu\u0161t\u011bn\u00ed velk\u00e9ho mno\u017estv\u00ed existuj\u00edc\u00edch Qt5 aplikac\u00ed v OS\/2. Mezi omezen\u00edmi je uvedena absence podpory OpenGL, IPv6 a Drag&drop, nemo\u017enost zm\u011bny obr\u00e1zku kurzoru my\u0161i a nedostate\u010dn\u00e1 integrace s pracovn\u00edm stolem. <\/p>\n

<\/a><\/noindex><\/p>\n

Zdroj: opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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