{"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\/it\/blog\/news\/dostupen-pikascript-1-8-variant-yazyka-python-dlya-mikrokontrollerov","title":{"rendered":"\u00c8 disponibile PikaScript 1.8, una variante del linguaggio Python per microcontrollori","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

\u00c8 stata pubblicata la versione 1.8 del progetto PikaScript, che sviluppa un motore compatto per la scrittura di applicazioni per microcontrollori in Python. PikaScript non dipende da dipendenze esterne e pu\u00f2 funzionare su microcontrollori con 4 KB di RAM e 32 KB di Flash, come STM32G030C8 e STM32F103C8. A titolo di confronto, MicroPython richiede 16 KB di RAM e 256 KB di Flash, mentre Snek richiede 2 KB di RAM e 32 KB di Flash. Il codice del progetto \u00e8 scritto in C ed \u00e8 distribuito con licenza MIT. <\/p>\n

PikaScript offre un sottoinsieme del linguaggio Python 3, supportando elementi di sintassi come operatori di branching e cicli (if, while, for, else, elif, break, continue), operatori di base (+ - * \/ ), moduli, incapsulamento, eredit\u00e0, polimorfismo, classi e metodi. Gli script Python vengono eseguiti sui dispositivi dopo la compilazione preliminare: PikaScript trasforma innanzitutto il codice Python in bytecode interno Pika Asm, che viene eseguito sul dispositivo finale in modo speciale. macchina virtuale<\/a> Pika Runtime. \u00c8 supportata l'esecuzione direttamente sull'hardware o in ambienti RT-Thread, VSF (Versaloon Software Framework) e Linux.

\"\u00c8<\/center> <\/p>\n

Si segnala separatamente la semplicit\u00e0 di integrazione degli script PikaScript con il codice C: le funzioni scritte in C possono essere collegate al codice, consentendo l'uso di sviluppi di vecchi progetti scritti in C durante l'implementazione di PikaScript. Per sviluppare moduli C, si possono utilizzare ambienti di sviluppo esistenti come Keil, IAR, RT-Thread Studio e Segger Embedded Studio. I binding vengono generati automaticamente durante la compilazione; \u00e8 sufficiente definire l'API nel file del codice Python e il binding delle funzioni C ai moduli Python verr\u00e0 eseguito durante l'avvio del compilatore Pika Pre-compiler.

\"\u00c8<\/center> <\/p>\n

PikaScript supporta 24 microcontrollori, tra cui diversi modelli stm32g*, stm32f*, stm32h*, WCH ch582, ch32*, WinnerMicro w80*, Geehy apm32*, Bouffalo Lab bl-706, Raspberry Pico, ESP32C3 e Infineon TC264D. Per un rapido avvio dello sviluppo senza attrezzature, \u00e8 disponibile un simulatore oppure una scheda per sviluppatori Pika-Pi-Zero basata sul microcontrollore STM32G030C8T6 con 64 KB di Flash e 8 KB di RAM, che supporta le interfacce periferiche standard (GPIO, TIME, IIC, RGB, KEY, LCD, RGB). Gli sviluppatori hanno anche preparato un generatore di progetti online e un gestore di pacchetti PikaPackage. <\/p>\n

Nella nuova versione \u00e8 stata implementata la gestione della memoria basata sul conteggio dei riferimenti e aggiunto supporto per i costruttori virtuali (factory method). \u00c8 stata effettuata una diagnosi dei problemi di memoria utilizzando lo strumento valgrind. \u00c8 stato aggiunto il supporto per la compilazione dei file pc di Python in bytecode e per l'imballaggio nel firmware. \u00c8 stata implementata la possibilit\u00e0 di utilizzare pi\u00f9 file Python nei firmware senza la necessit\u00e0 di utilizzare il file system.
\n
Fonte: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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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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