{"id":96268,"date":"2020-10-10T01:42:05","date_gmt":"2020-10-09T23:42:05","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/dostupen-snek-1-5-python-podobnyj-yazyk-programmirovaniya-dlya-vstraivaemyh-sistem"},"modified":"2020-10-10T01:42:05","modified_gmt":"2020-10-09T23:42:05","slug":"dostupen-snek-1-5-python-podobnyj-yazyk-programmirovaniya-dlya-vstraivaemyh-sistem","status":"publish","type":"post","link":"https:\/\/prohoster.info\/ro\/blog\/news\/dostupen-snek-1-5-python-podobnyj-yazyk-programmirovaniya-dlya-vstraivaemyh-sistem","title":{"rendered":"Snek 1.5 este disponibil, un limbaj de programare asem\u0103n\u0103tor Python pentru sisteme \u00eencorporate.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Keith Packard (<noindex><a rel=\"nofollow\" href=\"https:\/\/en.wikipedia.org\/wiki\/Keith_Packard\">Keith Packard<\/a><\/noindex>), dezvoltator activ Debian, lider al proiectului X.Org \u0219i creator al numeroaselor extensii X, inclusiv XRender, XComposite \u0219i XRandR,  <noindex><a rel=\"nofollow\" href=\"https:\/\/keithp.com\/pipermail\/snek\/2020-October\/000395.html\">a publicat<\/a><\/noindex> versiunea nou\u0103 a limbajului de programare <noindex><a rel=\"nofollow\" href=\"https:\/\/sneklang.org\/\">Snek 1.5<\/a><\/noindex>, care poate fi considerat\u0103 o variant\u0103 simplificat\u0103 a limbajului Python, adaptat\u0103 pentru utilizarea pe sisteme \u00eencorporate, unde resursele sunt insuficiente pentru a folosi <noindex><a rel=\"nofollow\" href=\"https:\/\/micropython.org\/\">MicroPython<\/a><\/noindex> \u0219i <noindex><a rel=\"nofollow\" href=\"https:\/\/circuitpython.org\/\">CircuitPython<\/a><\/noindex>. Snek nu pretinde a oferi suport complet pentru Python, dar poate fi utilizat pe cipuri care au doar 2KB RAM, 32KB memorie Flash \u0219i 1KB EEPROM. Codul proiectului <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/keith-packard\/snek\">se r\u0103sp\u00e2nde\u0219te<\/a><\/noindex> sub licen\u021ba GPLv3. Versiunile <noindex><a rel=\"nofollow\" href=\"https:\/\/sneklang.org\/dist\/\">sunt preg\u0103tite<\/a><\/noindex> pentru Linux, Windows \u0219i macOS. <\/p>\n<p>Necesitatea unui nou limbaj a ap\u0103rut \u00een timpul practicii de predare a lui Keith Packard, care dorea s\u0103 foloseasc\u0103 un limbaj adecvat pentru a \u00eenv\u0103\u021ba studen\u021bii, potrivit pentru pl\u0103cile Arduino \u0219i similar \u00een scopuri cu Lego Logo, dar capabil s\u0103 devin\u0103 o baz\u0103 pentru \u00eenv\u0103\u021barea ulterioar\u0103 a program\u0103rii. Cerin\u021bele cheie pentru noul limbaj au fost caracterul textului (demonstrarea metodelor reale de programare, f\u0103r\u0103 a se baza pe interfe\u021be grafice \u0219i mouse),<br \/>\n oferind o baz\u0103 pentru o \u00eenv\u0103\u021bare complet\u0103 a program\u0103rii \u0219i compactitatea limbajului (capacitatea de a \u00eenv\u0103\u021ba limbajul \u00een c\u00e2teva ore).<\/p>\n<p>Limbajul Snek folose\u0219te semantica \u0219i sintaxa Python, dar suport\u0103 doar un subset restr\u00e2ns de func\u021bionalit\u0103\u021bi. Una dintre obiectivele avute \u00een vedere \u00een timpul dezvolt\u0103rii este p\u0103strarea compatibilit\u0103\u021bii inverse \u2014 programele scrise \u00een Snek pot fi executate folosind implement\u0103ri complete ale Python 3. Adic\u0103, studen\u021bii familiariza\u021bi cu Snek pot trece imediat la continuarea studiului Python \u0219i pot folosi deja lucr\u0103rile lor anterioare \u00een cadrul Python.<\/p>\n<p>Snek a fost portat pentru o gam\u0103 larg\u0103 de dispozitive \u00eencorporate, inclusiv pl\u0103ci Arduino, Feather\/Metro M0 Express, Adafruit Crickit, Adafruit ItsyBitsy, Lego EV3 \u0219i \u00b5duino, oferind acces la GPIO \u0219i diverse dispozitive periferice. \u00cen plus, proiectul dezvolt\u0103 \u0219i propriul s\u0103u microcontroler deschis. <noindex><a rel=\"nofollow\" href=\"https:\/\/sneklang.org\/snekboard\/\">Snekboard<\/a><\/noindex> (ARM Cortex M0 cu 256KB Flash \u0219i 32KB RAM), destinat utiliz\u0103rii cu Snek sau CircuitPython, \u0219i destinat pentru \u00eenv\u0103\u021bare \u0219i construirea de robo\u021bi folosind piese LEGO. Resursele pentru crearea Snekboard  <noindex><a rel=\"nofollow\" href=\"https:\/\/www.crowdsupply.com\/keith-packard\/snekboard\">au fost str\u00e2nse<\/a><\/noindex> prin crowdfunding.<\/p>\n<p>Pentru dezvoltarea aplica\u021biilor \u00een Snek se poate folosi editorul de cod <noindex><a rel=\"nofollow\" href=\"https:\/\/codewith.mu\/\">Mu<\/a><\/noindex> (<noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/keith-packard\/mu\">patch-uri pentru suport<\/a><\/noindex>) sau propria mediu de dezvoltare integrat pe consol\u0103 <noindex><a rel=\"nofollow\" href=\"https:\/\/manpages.debian.org\/testing\/snek\/snekde.1.en.html\">Snekde<\/a><\/noindex>, care este scris\u0103 folosind biblioteca Curses \u0219i ofer\u0103 o interfa\u021b\u0103 pentru editarea codului \u0219i interac\u021biunea cu dispozitivul prin portul USB (permite salvarea programelor \u00een eeprom-ul dispozitivului \u0219i \u00eenc\u0103rcarea codului de pe dispozitiv).<\/p>\n<p><center><noindex><a rel=\"nofollow\" href=\"https:\/\/keithp.com\/pictures\/snekde.png\"><img decoding=\"async\" alt=\"Snek 1.5 este disponibil, un limbaj de programare asem\u0103n\u0103tor Python pentru sisteme \u00eencorporate.\" src=\"\/wp-content\/uploads\/2020\/10\/2622e7c502eb81fe5a9cdbbe6789eb49.png\" style=\"display:block;margin: 0 auto;\" \/><\/a><\/noindex><\/center><\/p>\n<p>\u00cen noua versiune:<\/p>\n<ul>\n<li class=\"l\"> A fost ad\u0103ugat un port pentru placa Arduino Uno, care este similar cu portul pentru placa Duemilanove, dar include un firmware \u00eenlocuitor pentru Atmega 16u2.\n<li class=\"l\"> A fost ad\u0103ugat\u0103 suportul corect pentru lan\u021burile de compara\u021bie (a &lt; b &lt; c).\n<li class=\"l\"> Pentru pl\u0103cile Adafruit Circuit Playground Express a fost asigurat\u0103 posibilitatea de a reda sunet.\n<li class=\"l\"> Pentru pl\u0103cile Duemilanove a fost activat bootloader-ul <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/Optiboot\/optiboot\">Optiboot<\/a><\/noindex>, permi\u021b\u00e2nd \u00eenlocuirea Snek, pentru a evita utilizarea unui dispozitiv separat pentru programare.\n<\/ul>\n<p>\u00cen plus fa\u021b\u0103 de Snek, Keith Packard de asemenea <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51873\">dezvolt\u0103<\/a><\/noindex> biblioteca standard C <noindex><a rel=\"nofollow\" href=\"https:\/\/keithp.com\/picolibc\/\">PicoLibc<\/a><\/noindex>, pe care o pute\u021bi utiliza pe dispozitive \u00eencorporate cu RAM mic.<\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Sursa: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=53860\">opennet.ro<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041a\u0438\u0442 \u041f\u0430\u043a\u043a\u0430\u0440\u0434 (Keith Packard), \u0430\u043a\u0442\u0438\u0432\u043d\u044b\u0439 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a Debian, \u043b\u0438\u0434\u0435\u0440 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 X.Org \u0438 \u0441\u043e\u0437\u0434\u0430\u0442\u0435\u043b\u044c \u043c\u043d\u043e\u0436\u0435\u0441\u0442\u0432\u0430 X-\u0440\u0430\u0441\u0448\u0438\u0440\u0435\u043d\u0438\u0439, \u0432\u043a\u043b\u044e\u0447\u0430\u044f XRender, XComposite \u0438 XRandR, \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b \u043d\u043e\u0432\u044b\u0439 \u0432\u044b\u043f\u0443\u0441\u043a \u044f\u0437\u044b\u043a\u0430 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f Snek 1.5, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043c\u043e\u0436\u043d\u043e \u0440\u0430\u0441\u0441\u043c\u0430\u0442\u0440\u0438\u0432\u0430\u0442\u044c \u043a\u0430\u043a \u0443\u043f\u0440\u043e\u0449\u0451\u043d\u043d\u044b\u0439 \u0432\u0430\u0440\u0438\u0430\u043d\u0442 \u044f\u0437\u044b\u043a\u0430 Python, \u0430\u0434\u0430\u043f\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0439 \u0434\u043b\u044f \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u043d\u0430 \u0432\u0441\u0442\u0440\u0430\u0438\u0432\u0430\u0435\u043c\u044b\u0445 \u0441\u0438\u0441\u0442\u0435\u043c\u0430\u0445, \u043d\u0430 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u043d\u0435\u0434\u043e\u0441\u0442\u0430\u0442\u043e\u0447\u043d\u043e \u0440\u0435\u0441\u0443\u0440\u0441\u043e\u0432 \u0434\u043b\u044f \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f MicroPython \u0438 CircuitPython. Snek \u043d\u0435 \u043f\u0440\u0435\u0442\u0435\u043d\u0434\u0443\u0435\u0442 \u043d\u0430 \u043f\u043e\u043b\u043d\u043e\u0446\u0435\u043d\u043d\u0443\u044e \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0443 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":96269,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-96268","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041a\u0438\u0442 \u041f\u0430\u043a\u043a\u0430\u0440\u0434 (Keith Packard), \u0430\u043a\u0442\u0438\u0432\u043d\u044b\u0439 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a Debian, \u043b\u0438\u0434\u0435\u0440 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