{"id":104082,"date":"2022-05-18T15:36:43","date_gmt":"2022-05-18T13:36:45","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/dostupen-pikascript-1-8-variant-yazyka-python-dlya-mikrokontrollerov"},"modified":"2022-05-18T15:36:43","modified_gmt":"2022-05-18T13:36:45","slug":"dostupen-pikascript-1-8-variant-yazyka-python-dlya-mikrokontrollerov","status":"publish","type":"post","link":"https:\/\/prohoster.info\/da\/blog\/news\/dostupen-pikascript-1-8-variant-yazyka-python-dlya-mikrokontrollerov","title":{"rendered":"PikaScript 1.8 er tilg\u00e6ngelig, en Python-sprogvariant til mikrokontrollere","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Udgivelsen af PikaScript 1.8 er offentliggjort, hvilket udvikler en kompakt motor til at skrive applikationer til mikrokontrollere p\u00e5 Python. PikaScript er ikke bundet til eksterne afh\u00e6ngigheder og kan k\u00f8re p\u00e5 mikrokontrollere med 4 KB RAM og 32 KB Flash, s\u00e5som STM32G030C8 og STM32F103C8. Til sammenligning kr\u00e6ver MicroPython 16 KB RAM og 256 KB Flash, mens Snek \u2014 2 KB RAM og 32 KB Flash. Projektets kode er skrevet i C og distribueres under MIT-licensen. <\/p>\n

PikaScript leverer et subset af Python 3, der underst\u00f8tter syntakselementer som betingede og loop-operat\u00f8rer (if, while, for, else, elif, break, continue), grundl\u00e6ggende operatorer (+ \u2014 * \/ ), moduler, indkapsling, arv, polymorfi, klasser og metoder. Python-scripts k\u00f8res p\u00e5 enheder efter forudg\u00e5ende kompilering \u2014 PikaScript omformer f\u00f8rst Python-koden til intern bytekode Pika Asm, som bliver udf\u00f8rt p\u00e5 den endelige enhed i en specialiseret virtuelle maskiner<\/a> Pika Runtime. Der underst\u00f8ttes drift direkte p\u00e5 hardware eller i milj\u00f8erne RT-Thread, VSF (Versaloon Software Framework) og Linux.

\"PikaScript<\/center> <\/p>\n

Det bem\u00e6rkes s\u00e6rligt, hvor let PikaScript-scripts kan integreres med C-kode \u2014 der kan bindes C-funktioner til koden, hvilket g\u00f8r det muligt at anvende tidligere projekter, skrevet i C, n\u00e5r man implementerer PikaScript. Eksisterende udviklingsmilj\u00f8er som Keil, IAR, RT-Thread Studio og Segger Embedded Studio kan bruges til udvikling af C-moduler. Bindingerne genereres automatisk under kompilering, det er tilstr\u00e6kkeligt at definere API'en i filen med Python-koden, og bindingen af C-funktioner til Python-moduler vil blive udf\u00f8rt under opstart af Pika Pre-compiler.

\"PikaScript<\/center> <\/p>\n

PikaScript erkl\u00e6rer st\u00f8tte for 24 mikrokontrollere, herunder forskellige modeller af stm32g*, stm32f*, stm32h*, WCH ch582, ch32*, WinnerMicro w80*, Geehy apm32*, Bouffalo Lab bl-706, Raspberry Pico, ESP32C3 og Infineon TC264D. For hurtig start p\u00e5 udviklingen uden udstyr er der en simulator tilg\u00e6ngelig, eller en udviklerplade Pika-Pi-Zero baseret p\u00e5 mikrokontrolleren STM32G030C8T6 med 64 KB Flash og 8 KB RAM tilbydes, som underst\u00f8tter standard perifere interfaces (GPIO, TIME, IIC, RGB, KEY, LCD, RGB). Udviklerne har ogs\u00e5 forberedt en online projektgenerator og PikaPackage-pakket manager. <\/p>\n

I den nye version er der implementeret h\u00e5ndtering af hukommelse baseret p\u00e5 referenceopt\u00e6lling, og der er tilf\u00f8jet st\u00f8tte til virtuelle konstrukt\u00f8rer (factory method). Der er udf\u00f8rt fejlfinding af hukommelsesproblemer ved hj\u00e6lp af v\u00e6rkt\u00f8jet valgrind. Der er tilf\u00f8jet st\u00f8tte til kompilering af Python pc-filer til bytekode og pakning i firmware. Det er nu muligt at bruge flere Python-filer i firmwaren uden behov for at anvende filsystemet.
\n
Kilde: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0432\u044b\u043f\u0443\u0441\u043a \u043f\u0440\u043e\u0435\u043a\u0442\u0430 PikaScript 1.8, \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u044e\u0449\u0435\u0433\u043e \u043a\u043e\u043c\u043f\u0430\u043a\u0442\u043d\u044b\u0439 \u0434\u0432\u0438\u0436\u043e\u043a \u0434\u043b\u044f \u043d\u0430\u043f\u0438\u0441\u0430\u043d\u0438\u044f \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0439 \u0434\u043b\u044f \u043c\u0438\u043a\u0440\u043e\u043a\u043e\u043d\u0442\u0440\u043e\u043b\u043b\u0435\u0440\u043e\u0432 \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 Python. PikaScript \u043d\u0435 \u043f\u0440\u0438\u0432\u044f\u0437\u0430\u043d \u043a \u0432\u043d\u0435\u0448\u043d\u0438\u043c \u0437\u0430\u0432\u0438\u0441\u0438\u043c\u043e\u0441\u0442\u044f\u043c \u0438 \u043c\u043e\u0436\u0435\u0442 \u0440\u0430\u0431\u043e\u0442\u0430\u0442\u044c \u043d\u0430 \u043c\u0438\u043a\u0440\u043e\u043a\u043e\u043d\u0442\u0440\u043e\u043b\u043b\u0435\u0440\u0430\u0445 \u0441 4 \u041a\u0411 \u041e\u0417\u0423 \u0438 32 \u041a\u0411 Flash, \u0442\u0430\u043a\u0438\u0445 \u043a\u0430\u043a STM32G030C8 \u0438 STM32F103C8. \u0414\u043b\u044f \u0441\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u044f \u0434\u043b\u044f \u0440\u0430\u0431\u043e\u0442\u044b MicroPython \u0442\u0440\u0435\u0431\u0443\u0435\u0442\u0441\u044f 16 \u041a\u0411 \u041e\u0417\u0423 \u0438 256\u041a\u0411 Flash, \u0430 \u0434\u043b\u044f Snek 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