{"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\/pt\/blog\/news\/dostupen-pikascript-1-8-variant-yazyka-python-dlya-mikrokontrollerov","title":{"rendered":"Dispon\u00edvel PikaScript 1.8, uma vers\u00e3o da linguagem Python para microcontroladores","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Foi lan\u00e7ado o projeto PikaScript 1.8, que desenvolve um motor compacto para a escrita de aplica\u00e7\u00f5es para microcontroladores usando a linguagem Python. O PikaScript n\u00e3o depende de bibliotecas externas e pode operar em microcontroladores com 4 KB de RAM e 32 KB de Flash, como o STM32G030C8 e o STM32F103C8. Em compara\u00e7\u00e3o, o MicroPython requer 16 KB de RAM e 256 KB de Flash, enquanto o Snek \u2014 2 KB de RAM e 32 KB de Flash. O c\u00f3digo do projeto \u00e9 escrito na linguagem C e distribu\u00eddo sob a licen\u00e7a MIT. <\/p>\n

O PikaScript oferece um subconjunto da linguagem Python 3, suportando elementos de sintaxe como operadores de ramifica\u00e7\u00e3o e loops (if, while, for, else, elif, break, continue), operadores b\u00e1sicos (+ \u2014 * \/ ), m\u00f3dulos, encapsulamento, heran\u00e7a, polimorfismo, classes e m\u00e9todos. Scripts Python s\u00e3o executados em dispositivos ap\u00f3s pr\u00e9-compila\u00e7\u00e3o \u2014 o PikaScript primeiro transforma o c\u00f3digo Python em bytecode interno Pika Asm, que \u00e9 executado no dispositivo final de maneira especial. m\u00e1quina virtual<\/a> Suporta a execu\u00e7\u00e3o diretamente sobre o hardware ou em ambientes como RT-Thread, VSF (Versaloon Software Framework) e Linux.

\"Dispon\u00edvel<\/center> <\/p>\n

Destaca-se a facilidade de integra\u00e7\u00e3o de scripts PikaScript com c\u00f3digo em C \u2014 fun\u00e7\u00f5es escritas em C podem ser vinculadas ao c\u00f3digo, permitindo que a implementa\u00e7\u00e3o do PikaScript reutilize desenvolvimentos de projetos anteriores escritos em C. Para o desenvolvimento de m\u00f3dulos em C, podem ser usadas ferramentas de desenvolvimento existentes, como Keil, IAR, RT-Thread Studio e Segger Embedded Studio. As vincula\u00e7\u00f5es s\u00e3o geradas automaticamente durante a compila\u00e7\u00e3o; basta definir a API no arquivo com o c\u00f3digo Python e a vincula\u00e7\u00e3o das fun\u00e7\u00f5es em C aos m\u00f3dulos Python ser\u00e1 realizada durante a execu\u00e7\u00e3o do compilador Pika Pre-compiler.

\"Dispon\u00edvel<\/center> <\/p>\n

O PikaScript declara suporte a 24 microcontroladores, incluindo v\u00e1rios modelos stm32g*, stm32f*, stm32h*, WCH ch582, ch32*, WinnerMicro w80*, Geehy apm32*, Bouffalo Lab bl-706, Raspberry Pico, ESP32C3 e Infineon TC264D. Para iniciar o desenvolvimento sem hardware, \u00e9 fornecido um simulador ou uma placa de desenvolvimento Pika-Pi-Zero com base no microcontrolador STM32G030C8T6, com 64 KB de Flash e 8 KB de RAM, que suporta interfaces perif\u00e9ricas padr\u00e3o (GPIO, TIME, IIC, RGB, KEY, LCD, RGB). Os desenvolvedores tamb\u00e9m prepararam um gerador de projetos online e o gerenciador de pacotes PikaPackage. <\/p>\n

Na nova vers\u00e3o, foi implementado um gerenciamento de mem\u00f3ria baseado em contagem de refer\u00eancias e adicionada a suporte a construtores virtuais (factory method). Foi realizada uma diagn\u00f3stico de problemas de mem\u00f3ria utilizando a ferramenta valgrind. A compatibilidade com a compila\u00e7\u00e3o de arquivos pc do Python em bytecode e seu empacotamento em firmware foi adicionada. Foi implementada a possibilidade de usar v\u00e1rios arquivos Python em firmwares sem a necessidade de utilizar um sistema de arquivos.
\n
Fonte: 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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