{"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\/pl\/blog\/news\/dostupen-pikascript-1-8-variant-yazyka-python-dlya-mikrokontrollerov","title":{"rendered":"Dost\u0119pna wersja PikaScript 1.8, wariant j\u0119zyka Python dla mikrokontroler\u00f3w","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Opublikowano wydanie projektu PikaScript 1.8, rozwijaj\u0105cego kompaktowy silnik do pisania aplikacji dla mikrokontroler\u00f3w w j\u0119zyku Python. PikaScript nie jest zale\u017cny od zewn\u0119trznych bibliotek i mo\u017ce dzia\u0142a\u0107 na mikrokontrolerach z 4 KB RAM i 32 KB Flash, takich jak STM32G030C8 i STM32F103C8. Dla por\u00f3wnania, do dzia\u0142ania MicroPython wymaga 16 KB RAM i 256 KB Flash, a dla Snek \u2014 2 KB RAM i 32 KB Flash. Kod projektu jest napisany w j\u0119zyku C i jest dystrybuowany na licencji MIT. <\/p>\n

PikaScript oferuje podzbi\u00f3r j\u0119zyka Python 3, kt\u00f3ry obs\u0142uguje takie elementy sk\u0142adni, jak operatory warunkowe i p\u0119tle (if, while, for, else, elif, break, continue), podstawowe operatory (+ \u2014 * \/ ), modu\u0142y, enkapsulacj\u0119, dziedziczenie, polimorfizm, klasy i metody. Skrypty Pythona s\u0105 wykonywane na urz\u0105dzeniach po wcze\u015bniejszej kompilacji \u2014 PikaScript najpierw przekszta\u0142ca kod Pythona w wewn\u0119trzny bajtkod Pika Asm, kt\u00f3ry jest wykonywany na docelowym urz\u0105dzeniu w specjalny spos\u00f3b. maszynie wirtualnej<\/a> Warto podkre\u015bli\u0107 \u0142atwo\u015b\u0107 integracji skrypt\u00f3w PikaScript z kodem w j\u0119zyku C \u2014 do kodu mog\u0105 by\u0107 przypisywane napisane w j\u0119zyku C funkcje, co umo\u017cliwia wykorzystanie osi\u0105gni\u0119\u0107 starych projekt\u00f3w przy wdra\u017caniu PikaScript. Do opracowywania modu\u0142\u00f3w C mo\u017cna korzysta\u0107 z istniej\u0105cych \u015brodowisk programistycznych, takich jak Keil, IAR, RT-Thread Studio oraz Segger Embedded Studio. Powi\u0105zania s\u0105 generowane automatycznie na etapie kompilacji, wystarczy zdefiniowa\u0107 API w pliku z kodem Python, a powi\u0105zanie funkcji C z modu\u0142ami Python zostanie wykonane podczas uruchamiania kompilatora Pika Pre-compiler.

\"Dost\u0119pna<\/center> <\/p>\n

Osobno zwraca si\u0119 uwag\u0119 na \u0142atwo\u015b\u0107 integracji skrypt\u00f3w PikaScript z kodem w j\u0119zyku C \u2014 do kodu mo\u017cna przypisa\u0107 funkcje napisane w j\u0119zyku C, co pozwala na wykorzystanie osi\u0105gni\u0119\u0107 starych projekt\u00f3w stworzonych w tym j\u0119zyku przy wdra\u017caniu PikaScript. Do opracowywania modu\u0142\u00f3w C mog\u0105 by\u0107 u\u017cywane istniej\u0105ce \u015brodowiska deweloperskie, takie jak Keil, IAR, RT-Thread Studio i Segger Embedded Studio. Powi\u0105zania s\u0105 generowane automatycznie na etapie kompilacji, wystarczy zdefiniowa\u0107 API w pliku z kodem Pythona, a powi\u0105zanie funkcji w j\u0119zyku C z modu\u0142ami Python zostanie wykonane podczas uruchamiania kompilatora Pika Pre-compiler.

\"Dost\u0119pna<\/center> <\/p>\n

W PikaScript zapowiedziano wsparcie dla 24 r\u00f3\u017cnych mikrokontroler\u00f3w, w tym modele stm32g*, stm32f*, stm32h*, a tak\u017ce WCH ch582, ch32*, WinnerMicro w80*, Geehy apm32*, Bouffalo Lab bl-706, Raspberry Pico, ESP32C3 oraz Infineon TC264D. Aby umo\u017cliwi\u0107 szybkie rozpocz\u0119cie rozwoju bez sprz\u0119tu, dost\u0119pny jest symulator lub p\u0142ytka rozwojowa Pika-Pi-Zero oparta na mikrokontrolerze STM32G030C8T6, kt\u00f3ra ma 64 KB Flash i 8 KB RAM oraz obs\u0142uguje standardowe interfejsy peryferyjne (GPIO, TIME, IIC, RGB, KEY, LCD, RGB). Deweloperzy zorganizowali tak\u017ce online-Generator projekt\u00f3w oraz mened\u017cer pakiet\u00f3w PikaPackage. <\/p>\n

W nowej wersji wprowadzono zarz\u0105dzanie pami\u0119ci\u0105 oparte na zliczaniu referencji oraz dodano wsparcie dla wirtualnych konstruktor\u00f3w (factory method). Przeprowadzono diagnostyk\u0119 problem\u00f3w z pami\u0119ci\u0105 przy u\u017cyciu narz\u0119dzia valgrind. Dodano wsparcie dla kompilacji plik\u00f3w .pc Python do kodu bajtowego oraz pakowania ich do oprogramowania uk\u0142adowego. Wprowadzono mo\u017cliwo\u015b\u0107 korzystania z kilku plik\u00f3w Python w oprogramowaniu uk\u0142adowym bez konieczno\u015bci u\u017cywania systemu plik\u00f3w.
\n
\u0179r\u00f3d\u0142o: 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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