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

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

Si segnala inoltre la facilit\u00e0 di integrazione degli script PikaScript con il codice in C: le funzioni scritte in C possono essere legate al codice, consentendo di utilizzare i risultati di progetti precedenti scritti in C durante l'implementazione di PikaScript. Per lo sviluppo dei moduli in C possono essere utilizzati ambienti di sviluppo esistenti, come Keil, IAR, RT-Thread Studio e Segger Embedded Studio. I legami vengono generati automaticamente durante la fase di compilazione; \u00e8 sufficiente definire l'API nel file contenente il codice Python e il legame delle funzioni in C ai moduli Python verr\u00e0 eseguito al momento dell'avvio del compilatore Pika Pre-compiler.

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

PikaScript annuncia il supporto per 24 microcontrollori, incluse varie 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 hardware, \u00e8 fornito un simulatore o \u00e8 disponibile una scheda per sviluppatori Pika-Pi-Zero basata sul microcontrollore STM32G030C8T6 con 64 KB di Flash e 8 KB di RAM, che supporta interfacce periferiche standard (GPIO, TIME, IIC, RGB, KEY, LCD, RGB). Gli sviluppatori hanno anche preparato un generatore di progetti online e un gestore pacchetti PikaPackage. <\/p>\n

Nella nuova versione \u00e8 stata implementata la gestione della memoria basata sul conteggio dei riferimenti e aggiunto il supporto per i costruttori virtuali (factory method). \u00c8 stata effettuata una diagnostica dei problemi di memoria, eseguita utilizzando lo strumento valgrind. \u00c8 stato aggiunto il supporto per la compilazione di file .pc Python in bytecode e per l'imballaggio nel firmware. \u00c8 stata realizzata la possibilit\u00e0 di utilizzare pi\u00f9 file Python nei firmware senza la necessit\u00e0 di un 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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