{"id":101400,"date":"2021-09-25T10:22:59","date_gmt":"2021-09-25T08:22:59","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/proekt-elk-razvivaet-kompaktnyj-javascript-dvizhok-dlya-mikrokontrollerov"},"modified":"2021-09-25T10:22:59","modified_gmt":"2021-09-25T08:22:59","slug":"proekt-elk-razvivaet-kompaktnyj-javascript-dvizhok-dlya-mikrokontrollerov","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/news\/proekt-elk-razvivaet-kompaktnyj-javascript-dvizhok-dlya-mikrokontrollerov","title":{"rendered":"Projekt elk arendab kompaktselt JavaScript'i mootorit mikrocontroller'ite jaoks","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Saadaval on uus versioon JavaScript-i mootorist elk 2.0.9, mis on suunatud piiratud ressursside kasutamiseks, sealhulgas mikrokontrollerite, n\u00e4iteks ESP32 ja Arduino Nano 2 KB RAM ja 30 KB Flash-plaatide peal. Pakutava virtuaalmasina t\u00f6\u00f6ks on piisav 100 baiti m\u00e4lu ja 20 KB salvestusruumi. Projekti kood on kirjutatud keeles C ja levitatakse GPLv2 litsentsi alusel. Projekti kokkupanekuks on vajalik ainult C-kompilator \u2014 t\u00e4iendavaid s\u00f5ltuvusi ei kasutata. Projekti arendavad IoT-seadmete operatsioonis\u00fcsteemi Mongoose OS, JavaScript-i mootori mJS ja sisseehitatud veebiserver<\/a> Mongoose (kasutatakse ettev\u00f5tete nagu Siemens, Schneider Electric, Broadcom, Bosch, Google, Samsung ja Qualcomm toodetes). <\/p>\n

Elki peamine eesm\u00e4rk on luua mikrocontroller'itele JavaScript'i keeles t\u00f6\u00f6tavad \u00f5ppematerjalid, mis t\u00e4idavad erinevaid automatiseerimis\u00fclesandeid. Mootor sobib ka JavaScript'i t\u00f6\u00f6tlusfunktsioonide sisemiselt ehitamiseks C\/C++ rakendustes. Mootori kasutamiseks oma koodis piisab, kui lisada l\u00e4htekoodide puusse fail elk.c, \u00fchendada p\u00e4isefail elk.h ja kasutada js_eval'i v\u00e4ljakutset. Lubatud on funktsioonide v\u00e4ljakutsumine JavaScript'i skriptidest, mis on m\u00e4\u00e4ratud C\/C++ koodis, ja vastupidiselt. JavaScript'i kood t\u00e4idetakse kaitstud ja p\u00f5hikoodist isoleeritud keskkonnas, kasutades t\u00f5lgendajat, mis ei genereeri byte-koodi ja ei kasuta d\u00fcnaamilist m\u00e4lu eraldamist. <\/p>\n

Elkis on rakendatud v\u00e4ike, kuid piisav alamhulk Ecmascript 6 spetsifikatsioonist, et luua t\u00f6\u00f6tavaid stsenaariume. Eelk\u00f5ige toetatakse p\u00f5hikomplekti operaatoritest ja t\u00fc\u00fcpides, kuid massiivide, protot\u00fc\u00fcpide, v\u00e4ljendite this, new ja delete tugi puudub. Var ja const asemel soovitatakse kasutada let, ning do, switch ja for asemel \u2014 while. Standardset raamatukogu ei pakutud, st selliseid objekte nagu Date, Regexp, Function, String ja Number ei ole.
\n
Allikas: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0414\u043e\u0441\u0442\u0443\u043f\u0435\u043d \u043d\u043e\u0432\u044b\u0439 \u0432\u044b\u043f\u0443\u0441\u043a JavaScript-\u0434\u0432\u0438\u0436\u043a\u0430 elk 2.0.9, \u043d\u0430\u0446\u0435\u043b\u0435\u043d\u043d\u043e\u0433\u043e \u043d\u0430 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u0432 \u0441\u0438\u0441\u0442\u0435\u043c\u0430\u0445 \u0441 \u043e\u0433\u0440\u0430\u043d\u0438\u0447\u0435\u043d\u043d\u044b\u043c\u0438 \u0440\u0435\u0441\u0443\u0440\u0441\u0430\u043c\u0438, \u0442\u0430\u043a\u0438\u043c\u0438 \u043a\u0430\u043a \u043c\u0438\u043a\u0440\u043e\u043a\u043e\u043d\u0442\u0440\u043e\u043b\u043b\u0435\u0440\u044b, \u0432\u043a\u043b\u044e\u0447\u0430\u044f \u043f\u043b\u0430\u0442\u044b ESP32 \u0438 Arduino Nano \u0441 2 \u041a\u0411 \u041e\u0417\u0423 \u0438 30\u041a\u0411 Flash. \u0414\u043b\u044f \u0440\u0430\u0431\u043e\u0442\u044b 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[…]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-101400","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47Projekt elk arendab kompaktselt JavaScript'i mootorit mikrocontroller'ite jaoks | ProHoster","description":"Saadaval on uus JavaScript'i mootori elk 2.0.9 versioon, mis on suunatud piiratud ressurssidega s\u00fcsteemide, nagu mikrocontroller'id, kasutamiseks, sealhulgas ESP32 ja Arduino Nano plaadid, millel on 2 KB RAM ja 30 KB 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