{"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\/cs\/blog\/news\/dostupen-pikascript-1-8-variant-yazyka-python-dlya-mikrokontrollerov","title":{"rendered":"K dispozici je PikaScript 1.8, varianta jazyka Python pro mikro\u0159adi\u010de","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Byla vyd\u00e1na verze projektu PikaScript 1.8, kter\u00e1 rozv\u00edj\u00ed kompaktn\u00ed engine pro psan\u00ed aplikac\u00ed pro mikro\u0159adi\u010de v jazyce Python. PikaScript nen\u00ed v\u00e1z\u00e1n na extern\u00ed z\u00e1vislosti a m\u016f\u017ee fungovat na mikro\u0159adi\u010d\u00edch s 4 kB RAM a 32 kB Flash, jako jsou STM32G030C8 a STM32F103C8. Pro srovn\u00e1n\u00ed, MicroPython vy\u017eaduje 16 kB RAM a 256 kB Flash, zat\u00edmco Snek \u2014 2 kB RAM a 32 kB Flash. K\u00f3d projektu je naps\u00e1n v jazyce C a je distribuov\u00e1n pod licenc\u00ed MIT. <\/p>\n

PikaScript poskytuje podmno\u017einu jazyka Python 3, kter\u00e1 podporuje takov\u00e9 prvky syntaxe jako v\u011btven\u00ed a cykly (if, while, for, else, elif, break, continue), z\u00e1kladn\u00ed oper\u00e1tory (+ \u2014 * \/ ), moduly, enkapsulaci, d\u011bdi\u010dnost, polymorfismus, t\u0159\u00eddy a metody. Python skripty jsou na za\u0159\u00edzen\u00edch vykon\u00e1v\u00e1ny po p\u0159edchoz\u00edm zkompilov\u00e1n\u00ed \u2014 PikaScript nejprve p\u0159ev\u00e1d\u00ed Python k\u00f3d na intern\u00ed bajtk\u00f3d Pika Asm, kter\u00fd na c\u00edlov\u00e9m za\u0159\u00edzen\u00ed je vykon\u00e1v\u00e1n ve speci\u00e1ln\u00edm. virtu\u00e1ln\u00edm stroji<\/a> Pika Runtime. Podporov\u00e1na je p\u0159\u00edm\u00e1 pr\u00e1ce nad hardwarem nebo v prost\u0159ed\u00edch RT-Thread, VSF (Versaloon Software Framework) a Linux.

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

Jedn\u00edm z hlavn\u00edch rys\u016f je jednoduchost integrace skript\u016f PikaScript s k\u00f3dem v jazyce C \u2014 k\u00f3du mohou b\u00fdt spojeny funkce napsan\u00e9 v jazyce C, co\u017e umo\u017e\u0148uje p\u0159i zav\u00e1d\u011bn\u00ed PikaScript vyu\u017e\u00edvat zku\u0161enosti ze star\u00fdch projekt\u016f napsan\u00fdch v jazyce C. Pro v\u00fdvoj modul\u016f C mohou b\u00fdt pou\u017eity st\u00e1vaj\u00edc\u00ed v\u00fdvojov\u00e9 prost\u0159ed\u00ed, jako je Keil, IAR, RT-Thread Studio a Segger Embedded Studio. Spojen\u00ed jsou generov\u00e1na automaticky b\u011bhem kompilace, sta\u010d\u00ed definovat API v souboru s Python k\u00f3dem a spojen\u00ed C funkc\u00ed k Python modul\u016fm bude provedeno b\u011bhem spu\u0161t\u011bn\u00ed kompil\u00e1toru Pika Pre-compiler.

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

V PikaScript je deklarov\u00e1na podpora pro 24 mikrokontrol\u00e9r\u016f, v\u010detn\u011b r\u016fzn\u00fdch model\u016f stm32g*, stm32f*, stm32h*, WCH ch582, ch32*, WinnerMicro w80*, Geehy apm32*, Bouffalo Lab bl-706, Raspberry Pico, ESP32C3 a Infineon TC264D. Pro rychl\u00fd start v\u00fdvoje bez hardware je k dispozici simul\u00e1tor nebo je nab\u00eddnuta v\u00fdvojov\u00e1 deska Pika-Pi-Zero zalo\u017een\u00e1 na mikrokontrol\u00e9ru STM32G030C8T6 s 64 KB Flash a 8 KB RAM, podporuj\u00edc\u00ed standardn\u00ed perifern\u00ed rozhran\u00ed (GPIO, TIME, IIC, RGB, KEY, LCD, RGB). V\u00fdvoj\u00e1\u0159i tak\u00e9 p\u0159ipravili online gener\u00e1tor projekt\u016f a bal\u00ed\u010dkov\u00fd mana\u017eer PikaPackage. <\/p>\n

Ve nov\u00e9 verzi byl implementov\u00e1n syst\u00e9m spr\u00e1vy pam\u011bti na z\u00e1klad\u011b po\u010d\u00edt\u00e1n\u00ed referenc\u00ed a p\u0159id\u00e1na podpora virtu\u00e1ln\u00edch konstruktor\u016f (factory method). Byla provedena diagnostika probl\u00e9m\u016f s pam\u011bt\u00ed pomoc\u00ed n\u00e1stroje valgrind. Byla p\u0159id\u00e1na podpora kompilace pc-soubor\u016f Python do bytecode a zabudov\u00e1n\u00ed do firmwaru. Implementov\u00e1na mo\u017enost pou\u017e\u00edv\u00e1n\u00ed n\u011bkolika Python-soubor\u016f ve firmwaru bez nutnosti vyu\u017eit\u00ed souborov\u00e9ho syst\u00e9mu.
\n
Zdroj: 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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