{"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\/fr\/blog\/news\/dostupen-pikascript-1-8-variant-yazyka-python-dlya-mikrokontrollerov","title":{"rendered":"PikaScript 1.8 est disponible, un variant du langage Python pour microcontr\u00f4leurs","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

La publication de la version 1.8 du projet PikaScript a \u00e9t\u00e9 annonc\u00e9e, d\u00e9veloppant un moteur compact pour \u00e9crire des applications pour microcontr\u00f4leurs en Python. PikaScript ne d\u00e9pend d'aucune biblioth\u00e8que externe et peut fonctionner sur des microcontr\u00f4leurs avec 4 Ko de RAM et 32 Ko de Flash, tels que le STM32G030C8 et le STM32F103C8. En comparaison, MicroPython n\u00e9cessite 16 Ko de RAM et 256 Ko de Flash, tandis que Snek n\u00e9cessite 2 Ko de RAM et 32 Ko de Flash. Le code du projet est \u00e9crit en C et est distribu\u00e9 sous la licence MIT. <\/p>\n

PikaScript fournit un sous-ensemble de Python 3, prenant en charge des \u00e9l\u00e9ments de syntaxe tels que les instructions conditionnelles et les boucles (if, while, for, else, elif, break, continue), les op\u00e9rateurs de base (+, -, *, \/, ), ainsi que les modules, l'encapsulation, l'h\u00e9ritage, le polymorphisme, les classes et les m\u00e9thodes. Les scripts Python sont ex\u00e9cut\u00e9s sur des dispositifs apr\u00e8s une compilation pr\u00e9alable : PikaScript transforme d'abord le code Python en bytecode interne Pika Asm, qui est ensuite ex\u00e9cut\u00e9 sur l'appareil final dans un environnement sp\u00e9cial. une machine virtuelle<\/a> Il prend en charge le fonctionnement directement sur le mat\u00e9riel ou dans des environnements RT-Thread, VSF (Versaloon Software Framework) et Linux.

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

Il convient de noter la simplicit\u00e9 d'int\u00e9gration des scripts PikaScript avec le code C : des fonctions \u00e9crites en C peuvent \u00eatre li\u00e9es au code, ce qui permet d'utiliser les r\u00e9sultats d'anciens projets en C lors de l'adoption de PikaScript. Pour le d\u00e9veloppement de modules en C, les environnements de d\u00e9veloppement existants tels que Keil, IAR, RT-Thread Studio et Segger Embedded Studio peuvent \u00eatre utilis\u00e9s. Les liaisons sont g\u00e9n\u00e9r\u00e9es automatiquement lors de la compilation ; il suffit de d\u00e9finir l'API dans le fichier de code Python et la liaison des fonctions C aux modules Python sera effectu\u00e9e au moment du lancement du compilateur Pika Pre-compiler.

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

PikaScript affirme prendre en charge 24 microcontr\u00f4leurs, y compris diff\u00e9rents mod\u00e8les stm32g*, stm32f*, stm32h*, WCH ch582, ch32*, WinnerMicro w80*, Geehy apm32*, Bouffalo Lab bl-706, Raspberry Pico, ESP32C3 et Infineon TC264D. Pour un d\u00e9marrage rapide du d\u00e9veloppement sans mat\u00e9riel, un simulateur est fourni ou une carte de d\u00e9veloppement Pika-Pi-Zero bas\u00e9e sur le microcontr\u00f4leur STM32G030C8T6 avec 64 Ko de Flash et 8 Ko de RAM est propos\u00e9e, prenant en charge les interfaces p\u00e9riph\u00e9riques standard (GPIO, TIME, IIC, RGB, KEY, LCD, RGB). Les d\u00e9veloppeurs ont \u00e9galement pr\u00e9par\u00e9 un g\u00e9n\u00e9rateur de projets en ligne et un gestionnaire de paquets PikaPackage. <\/p>\n

La nouvelle version int\u00e8gre une gestion de la m\u00e9moire bas\u00e9e sur le comptage de r\u00e9f\u00e9rences et ajoute le support des constructeurs virtuels (factory method). Un diagnostic des probl\u00e8mes de m\u00e9moire a \u00e9t\u00e9 effectu\u00e9 \u00e0 l'aide de l'outil valgrind. Le support de la compilation des fichiers pc de Python en bytecode et de leur encapsulation dans le firmware a \u00e9t\u00e9 ajout\u00e9. Il est d\u00e9sormais possible d'utiliser plusieurs fichiers Python dans le firmware sans avoir besoin d'un syst\u00e8me de fichiers.
\n
Source : 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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