{"id":774,"date":"2021-04-08T14:26:05","date_gmt":"2021-04-08T14:26:05","guid":{"rendered":"https:\/\/picockpit.com\/raspberry-pi\/?p=774"},"modified":"2023-11-23T02:13:08","modified_gmt":"2023-11-23T02:13:08","slug":"c-extension-for-micropython-on-raspberry-pi-pico","status":"publish","type":"post","link":"https:\/\/picockpit.com\/raspberry-pi\/nl\/c-extensie-voor-micropython-op-raspberry-pi-pico\/","title":{"rendered":"C uitbreiding voor MicroPython op Raspberry Pi Pico"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Dit is een gids over hoe een basis C uitbreiding voor MicroPython te schrijven en te draaien op de Raspberry Pi Pico. Ik zal de redenen voor het uitbreiden van MicroPython behandelen, hoe de uitbreidingsmodule te schrijven, hoe het te compileren en hoe het te installeren op de Pico. Als u meer wilt lezen over dit onderwerp, raadpleeg dan <a href=\"https:\/\/docs.micropython.org\/en\/latest\/develop\/extendingmicropython.html\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/docs.micropython.org\/en\/latest\/develop\/extendingmicropython.html<\/a><\/p>\n\n\n\n<h2>Inleiding<\/h2>\n<h3>Waarom MicroPython uitbreiden?<\/h3>\n<p>Er kunnen meerdere redenen zijn waarom u MicroPython zou willen uitbreiden. Omdat het een afgeslankte versie van Python is, presteert MicroPython niet erg goed als het aankomt op rekenkundig zware taken (vergelijkbaar met Python). C daarentegen is zeer geschikt voor dergelijke taken. Een C extensie voor Micropython maakt het mogelijk om die berekeningen in de C taal uit te voeren en de resultaten in MicroPython te gebruiken. Dit kan sommige processen met een orde van grootte versnellen.<\/p>\n<p>Een tweede reden kan zijn, dat u hardware die een C API gebruikt vanuit MicroPython wilt koppelen.&nbsp;<\/p>\n<h3>Soorten MicroPython C-uitbreidingen<\/h3>\n<p>Er zijn verschillende manieren om MicroPython uit te breiden: externe C modules en native machine code in .mpy bestanden.<\/p>\n<p>Om een externe C-module te kunnen gebruiken, moet u deze hercompileren in de MicroPython firmware. Dit is een nogal gecompliceerd proces, daarom zal deze gids zich richten op het tweede alternatief. Als u echter ge\u00efnteresseerd bent in deze aanpak, kunt u er meer over lezen op deze webpagina's:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <a href=\"https:\/\/docs.micropython.org\/en\/latest\/develop\/cmodules.html\" target=\"_blank\" rel=\"noopener\">https:\/\/docs.micropython.org\/en\/latest\/develop\/cmodules.html<\/a>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <a href=\"https:\/\/www.raspberrypi.org\/forums\/viewtopic.php?t=300352\" target=\"_blank\" rel=\"noopener\">https:\/\/www.raspberrypi.org\/forums\/viewtopic.php?t=300352<\/a><\/p>\n<p>De .mpy is een bestand dat gecompileerde native machine code opslaat en dynamisch kan worden gelinkt. Dit maakt het veel flexibeler omdat je niet de hele MicroPython firmware hoeft te hercompileren.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Schrijf de uitbreidingsmodule<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Het schrijven van de uitbreidingsmodule is het gemakkelijkste deel van het uitbreiden van MicroPython. Ik zal je laten zien hoe je dat doet aan de hand van een eenvoudig voorbeeld. Om te beginnen maken we een nieuwe directory aan genaamd <em>factfib<\/em>. Open een nieuw terminalvenster, cd naar de nieuwe map en maak een nieuw bestand met de naam <em>factfib.c<\/em>. Als je de directory op een Raspberry Pi onder Dekstop hebt aangemaakt, ziet het commando er als volgt uit.<\/p>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;line-height:1.25rem;--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span style=\"display:block;padding:16px 0 0 16px;margin-bottom:-1px;width:100%;text-align:left;background-color:#2e3440ff\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"54\" height=\"14\" viewbox=\"0 0 54 14\"><g fill=\"none\" fill-rule=\"evenodd\" transform=\"translate(1 1)\"><circle cx=\"6\" cy=\"6\" r=\"6\" fill=\"#FF5F56\" stroke=\"#E0443E\" stroke-width=\".5\"><\/circle><circle cx=\"26\" cy=\"6\" r=\"6\" fill=\"#FFBD2E\" stroke=\"#DEA123\" stroke-width=\".5\"><\/circle><circle cx=\"46\" cy=\"6\" r=\"6\" fill=\"#27C93F\" stroke=\"#1AAB29\" stroke-width=\".5\"><\/circle><\/g><\/svg><\/span><span role=\"button\" tabindex=\"0\" data-code=\"cd ~\/Desktop\/factfibtouch factfib.c\" style=\"color:#d8dee9ff;display:none\" aria-label=\"Kopie\" class=\"code-block-pro-copy-button\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewbox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki nord\" style=\"background-color: #2e3440ff\" tabindex=\"0\"><code data-no-translation=\"\"><span class=\"line\"><span style=\"color: #D8DEE9\">cd<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">~\/<\/span><span style=\"color: #D8DEE9\">Desktop<\/span><span style=\"color: #81A1C1\">\/<\/span><span style=\"color: #D8DEE9\">factfib<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9\">touch<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">factfib<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #D8DEE9\">c<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<p>Open <span style=\"color: #008000;\"><span style=\"color: #000000;\"><span style=\"color: #008080;\"><em>factfib.c<\/em><\/span><span style=\"color: #000000;\"> in je favoriete teksteditor en voer de volgende code in:<\/span><\/span><\/span><\/p>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;line-height:1.25rem;--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span style=\"display:block;padding:16px 0 0 16px;margin-bottom:-1px;width:100%;text-align:left;background-color:#2e3440ff\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"54\" height=\"14\" viewbox=\"0 0 54 14\"><g fill=\"none\" fill-rule=\"evenodd\" transform=\"translate(1 1)\"><circle cx=\"6\" cy=\"6\" r=\"6\" fill=\"#FF5F56\" stroke=\"#E0443E\" stroke-width=\".5\"><\/circle><circle cx=\"26\" cy=\"6\" r=\"6\" fill=\"#FFBD2E\" stroke=\"#DEA123\" stroke-width=\".5\"><\/circle><circle cx=\"46\" cy=\"6\" r=\"6\" fill=\"#27C93F\" stroke=\"#1AAB29\" stroke-width=\".5\"><\/circle><\/g><\/svg><\/span><span role=\"button\" tabindex=\"0\" data-code=\"#include &quot;py\/dynruntime.hSTATIC mp_int_t factorial_helper(mp_int_t x) {   if (x < 1) {      return 1;   }   return x*factorial_helper(x-1);}STATIC mp_obj_t factorial(mp_obj_t x_obj) {   mp_int_t x = mp_obj_get_int(x_obj);   mp_int_t rslt = factorial_helper(x);   return rslt;}STATIC MP_DEFINE_CONST_FUN_OBJ_1(factorial_obj, factorial);STATIC mp_int_t fibonacci_helper(mp_int_t x) {   if (x <= 0) {      return 0;   }   else if (x == 1) {      return 1;   }   else {      return (fibonacci_helper(x-1) + fibonacci_helper(x-2));   }}STATIC mp_obj_t fibonacci(mp_obj_t x_obj) {   mp_int_t x = mp_obj_get_int(x_obj);   mp_int_t rslt = fibonacci_helper(x);   return mp_obj_new_int(rslt);}STATIC MP_DEFINE_CONST_FUN_OBJ_1(fibonacci_obj, fibonacci);mp_obj_t mpy_init(mp_obj_fun_bc_t *self, size_t n_args, size_t n_kw, mp_obj_t *args) {   MP_DYNRUNTIME_INIT_ENTRY   mp_store_global(MP_QSTR_factorial, MP_OBJ_FROM_PTR(&amp;factorial_obj));   mp_store_global(MP_QSTR_fibonacci, MP_OBJ_FROM_PTR(&amp;fibonacci_obj));   MP_DYNRUNTIME_INIT_EXIT}\" style=\"color:#d8dee9ff;display:none\" aria-label=\"Kopie\" class=\"code-block-pro-copy-button\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewbox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki nord\" style=\"background-color: #2e3440ff\" tabindex=\"0\"><code data-no-translation=\"\"><span class=\"line\"><span style=\"color: #D8DEE9FF\">#<\/span><span style=\"color: #D8DEE9\">include<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #ECEFF4\">&quot;<\/span><span style=\"color: #A3BE8C\">py\/dynruntime.<\/span><span style=\"color: #D8DEE9\">h<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9\">STATIC<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">mp_int_t<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #88C0D0\">factorial_helper<\/span><span style=\"color: #D8DEE9FF\">(<\/span><span style=\"color: #D8DEE9\">mp_int_t<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">x<\/span><span style=\"color: #D8DEE9FF\">) <\/span><span style=\"color: #ECEFF4\">{<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">   <\/span><span style=\"color: #81A1C1\">if<\/span><span style=\"color: #D8DEE9FF\"> (<\/span><span style=\"color: #D8DEE9\">x<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">&lt;<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #B48EAD\">1<\/span><span style=\"color: #D8DEE9FF\">) <\/span><span style=\"color: #ECEFF4\">{<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">      <\/span><span style=\"color: #81A1C1\">return<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #B48EAD\">1<\/span><span style=\"color: #81A1C1\">;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">   <\/span><span style=\"color: #ECEFF4\">}<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">   <\/span><span style=\"color: #81A1C1\">return<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">x<\/span><span style=\"color: #81A1C1\">*<\/span><span style=\"color: #88C0D0\">factorial_helper<\/span><span style=\"color: #D8DEE9FF\">(<\/span><span style=\"color: #D8DEE9\">x<\/span><span style=\"color: #81A1C1\">-<\/span><span style=\"color: #B48EAD\">1<\/span><span style=\"color: #D8DEE9FF\">)<\/span><span style=\"color: #81A1C1\">;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #ECEFF4\">}<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9\">STATIC<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">mp_obj_t<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #88C0D0\">factorial<\/span><span style=\"color: #D8DEE9FF\">(<\/span><span style=\"color: #D8DEE9\">mp_obj_t<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">x_obj<\/span><span style=\"color: #D8DEE9FF\">) <\/span><span style=\"color: #ECEFF4\">{<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">   <\/span><span style=\"color: #D8DEE9\">mp_int_t<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">x<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">=<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #88C0D0\">mp_obj_get_int<\/span><span style=\"color: #D8DEE9FF\">(<\/span><span style=\"color: #D8DEE9\">x_obj<\/span><span style=\"color: #D8DEE9FF\">)<\/span><span style=\"color: #81A1C1\">;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">   <\/span><span style=\"color: #D8DEE9\">mp_int_t<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">rslt<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">=<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #88C0D0\">factorial_helper<\/span><span style=\"color: #D8DEE9FF\">(<\/span><span style=\"color: #D8DEE9\">x<\/span><span style=\"color: #D8DEE9FF\">)<\/span><span style=\"color: #81A1C1\">;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">   <\/span><span style=\"color: #81A1C1\">return<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">rslt<\/span><span style=\"color: #81A1C1\">;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #ECEFF4\">}<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9\">STATIC<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #88C0D0\">MP_DEFINE_CONST_FUN_OBJ_1<\/span><span style=\"color: #D8DEE9FF\">(<\/span><span style=\"color: #D8DEE9\">factorial_obj<\/span><span style=\"color: #ECEFF4\">,<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">factorial<\/span><span style=\"color: #D8DEE9FF\">)<\/span><span style=\"color: #81A1C1\">;<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9\">STATIC<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">mp_int_t<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #88C0D0\">fibonacci_helper<\/span><span style=\"color: #D8DEE9FF\">(<\/span><span style=\"color: #D8DEE9\">mp_int_t<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">x<\/span><span style=\"color: #D8DEE9FF\">) <\/span><span style=\"color: #ECEFF4\">{<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">   <\/span><span style=\"color: #81A1C1\">if<\/span><span style=\"color: #D8DEE9FF\"> (<\/span><span style=\"color: #D8DEE9\">x<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">&lt;=<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #B48EAD\">0<\/span><span style=\"color: #D8DEE9FF\">) <\/span><span style=\"color: #ECEFF4\">{<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">      <\/span><span style=\"color: #81A1C1\">return<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #B48EAD\">0<\/span><span style=\"color: #81A1C1\">;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">   <\/span><span style=\"color: #ECEFF4\">}<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">   <\/span><span style=\"color: #81A1C1\">else<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">if<\/span><span style=\"color: #D8DEE9FF\"> (<\/span><span style=\"color: #D8DEE9\">x<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">==<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #B48EAD\">1<\/span><span style=\"color: #D8DEE9FF\">) <\/span><span style=\"color: #ECEFF4\">{<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">      <\/span><span style=\"color: #81A1C1\">return<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #B48EAD\">1<\/span><span style=\"color: #81A1C1\">;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">   <\/span><span style=\"color: #ECEFF4\">}<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">   <\/span><span style=\"color: #81A1C1\">else<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #ECEFF4\">{<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">      <\/span><span style=\"color: #81A1C1\">return<\/span><span style=\"color: #D8DEE9FF\"> (<\/span><span style=\"color: #88C0D0\">fibonacci_helper<\/span><span style=\"color: #D8DEE9FF\">(<\/span><span style=\"color: #D8DEE9\">x<\/span><span style=\"color: #81A1C1\">-<\/span><span style=\"color: #B48EAD\">1<\/span><span style=\"color: #D8DEE9FF\">) <\/span><span style=\"color: #81A1C1\">+<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #88C0D0\">fibonacci_helper<\/span><span style=\"color: #D8DEE9FF\">(<\/span><span style=\"color: #D8DEE9\">x<\/span><span style=\"color: #81A1C1\">-<\/span><span style=\"color: #B48EAD\">2<\/span><span style=\"color: #D8DEE9FF\">))<\/span><span style=\"color: #81A1C1\">;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">   <\/span><span style=\"color: #ECEFF4\">}<\/span><\/span>\n<span class=\"line\"><span style=\"color: #ECEFF4\">}<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9\">STATIC<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">mp_obj_t<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #88C0D0\">fibonacci<\/span><span style=\"color: #D8DEE9FF\">(<\/span><span style=\"color: #D8DEE9\">mp_obj_t<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">x_obj<\/span><span style=\"color: #D8DEE9FF\">) <\/span><span style=\"color: #ECEFF4\">{<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">   <\/span><span style=\"color: #D8DEE9\">mp_int_t<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">x<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">=<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #88C0D0\">mp_obj_get_int<\/span><span style=\"color: #D8DEE9FF\">(<\/span><span style=\"color: #D8DEE9\">x_obj<\/span><span style=\"color: #D8DEE9FF\">)<\/span><span style=\"color: #81A1C1\">;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">   <\/span><span style=\"color: #D8DEE9\">mp_int_t<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">rslt<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">=<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #88C0D0\">fibonacci_helper<\/span><span style=\"color: #D8DEE9FF\">(<\/span><span style=\"color: #D8DEE9\">x<\/span><span style=\"color: #D8DEE9FF\">)<\/span><span style=\"color: #81A1C1\">;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">   <\/span><span style=\"color: #81A1C1\">return<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #88C0D0\">mp_obj_new_int<\/span><span style=\"color: #D8DEE9FF\">(<\/span><span style=\"color: #D8DEE9\">rslt<\/span><span style=\"color: #D8DEE9FF\">)<\/span><span style=\"color: #81A1C1\">;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #ECEFF4\">}<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9\">STATIC<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #88C0D0\">MP_DEFINE_CONST_FUN_OBJ_1<\/span><span style=\"color: #D8DEE9FF\">(<\/span><span style=\"color: #D8DEE9\">fibonacci_obj<\/span><span style=\"color: #ECEFF4\">,<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">fibonacci<\/span><span style=\"color: #D8DEE9FF\">)<\/span><span style=\"color: #81A1C1\">;<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9\">mp_obj_t<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #88C0D0\">mpy_init<\/span><span style=\"color: #D8DEE9FF\">(<\/span><span style=\"color: #D8DEE9\">mp_obj_fun_bc_t<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">*<\/span><span style=\"color: #D8DEE9\">self<\/span><span style=\"color: #ECEFF4\">,<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">size_t<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">n_args<\/span><span style=\"color: #ECEFF4\">,<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">size_t<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">n_kw<\/span><span style=\"color: #ECEFF4\">,<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">mp_obj_t<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">*<\/span><span style=\"color: #D8DEE9\">args<\/span><span style=\"color: #D8DEE9FF\">) <\/span><span style=\"color: #ECEFF4\">{<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">   <\/span><span style=\"color: #D8DEE9\">MP_DYNRUNTIME_INIT_ENTRY<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">   <\/span><span style=\"color: #88C0D0\">mp_store_global<\/span><span style=\"color: #D8DEE9FF\">(<\/span><span style=\"color: #D8DEE9\">MP_QSTR_factorial<\/span><span style=\"color: #ECEFF4\">,<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #88C0D0\">MP_OBJ_FROM_PTR<\/span><span style=\"color: #D8DEE9FF\">(<\/span><span style=\"color: #81A1C1\">&amp;<\/span><span style=\"color: #D8DEE9\">factorial_obj<\/span><span style=\"color: #D8DEE9FF\">))<\/span><span style=\"color: #81A1C1\">;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">   <\/span><span style=\"color: #88C0D0\">mp_store_global<\/span><span style=\"color: #D8DEE9FF\">(<\/span><span style=\"color: #D8DEE9\">MP_QSTR_fibonacci<\/span><span style=\"color: #ECEFF4\">,<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #88C0D0\">MP_OBJ_FROM_PTR<\/span><span style=\"color: #D8DEE9FF\">(<\/span><span style=\"color: #81A1C1\">&amp;<\/span><span style=\"color: #D8DEE9\">fibonacci_obj<\/span><span style=\"color: #D8DEE9FF\">))<\/span><span style=\"color: #81A1C1\">;<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">   <\/span><span style=\"color: #D8DEE9\">MP_DYNRUNTIME_INIT_EXIT<\/span><\/span>\n<span class=\"line\"><span style=\"color: #ECEFF4\">}<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Laat me de code hierboven uitleggen: In MicroPython en Python, is elke variabele een object. Daarom stellen we ze in C voor als <em>mp_obj_t<\/em>. Maar een C programma kan alleen werken met C type variabelen, daarom moeten we het object omzetten in een C type. Dit heet Marshalling en MicroPython biedt functies om elk C type uit een object te halen.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Deze webpagina van Oliver Robson is echt nuttig voor Marshalling <a rel=\"noreferrer noopener\" href=\"https:\/\/mpy-c-gen.oliverrobson.tech\/\" target=\"_blank\">https:\/\/mpy-c-gen.oliverrobson.tech\/<\/a>. Verder kunt u Marshalling voorbeelden vinden in de MicroPython documentatie <a rel=\"noreferrer noopener\" href=\"https:\/\/docs.micropython.org\/en\/latest\/develop\/natmod.html\" target=\"_blank\">https:\/\/docs.micropython.org\/en\/latest\/develop\/natmod.html<\/a>. Ik raad u aan dit artikel te lezen als u meer uitleg nodig hebt.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Bouw de uitbreiding<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">We bouwen de extensie in een .mpy bestand met behulp van een Makefile. Maar we moeten eerst een paar dingen instellen. Zorg ervoor dat je terminal nog steeds geopend is in de <em>factfib<\/em> map. Kloon dan de MicroPython GitHub repository.<\/p>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;line-height:1.25rem;--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span style=\"display:block;padding:16px 0 0 16px;margin-bottom:-1px;width:100%;text-align:left;background-color:#2e3440ff\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"54\" height=\"14\" viewbox=\"0 0 54 14\"><g fill=\"none\" fill-rule=\"evenodd\" transform=\"translate(1 1)\"><circle cx=\"6\" cy=\"6\" r=\"6\" fill=\"#FF5F56\" stroke=\"#E0443E\" stroke-width=\".5\"><\/circle><circle cx=\"26\" cy=\"6\" r=\"6\" fill=\"#FFBD2E\" stroke=\"#DEA123\" stroke-width=\".5\"><\/circle><circle cx=\"46\" cy=\"6\" r=\"6\" fill=\"#27C93F\" stroke=\"#1AAB29\" stroke-width=\".5\"><\/circle><\/g><\/svg><\/span><span role=\"button\" tabindex=\"0\" data-code=\"sudo apt-get install build-essential libreadline-dev libffi-dev git pkg-config gcc-arm-none-eabi libnewlib-arm-none-eabigit clone --recurse-submodules\u00a0https:\/\/github.com\/micropython\/micropython.gitpip3\u00a0install\u00a0'pyelftools&gt;=0.25'\" style=\"color:#d8dee9ff;display:none\" aria-label=\"Kopie\" class=\"code-block-pro-copy-button\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewbox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki nord\" style=\"background-color: #2e3440ff\" tabindex=\"0\"><code data-no-translation=\"\"><span class=\"line\"><span style=\"color: #D8DEE9\">sudo<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">apt<\/span><span style=\"color: #81A1C1\">-<\/span><span style=\"color: #D8DEE9\">get<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">install<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">build<\/span><span style=\"color: #81A1C1\">-<\/span><span style=\"color: #D8DEE9\">essential<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">libreadline<\/span><span style=\"color: #81A1C1\">-<\/span><span style=\"color: #D8DEE9\">dev<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">libffi<\/span><span style=\"color: #81A1C1\">-<\/span><span style=\"color: #D8DEE9\">dev<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">git<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">pkg<\/span><span style=\"color: #81A1C1\">-<\/span><span style=\"color: #D8DEE9\">config<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">gcc<\/span><span style=\"color: #81A1C1\">-<\/span><span style=\"color: #D8DEE9\">arm<\/span><span style=\"color: #81A1C1\">-<\/span><span style=\"color: #D8DEE9\">none<\/span><span style=\"color: #81A1C1\">-<\/span><span style=\"color: #D8DEE9\">eabi<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">libnewlib<\/span><span style=\"color: #81A1C1\">-<\/span><span style=\"color: #D8DEE9\">arm<\/span><span style=\"color: #81A1C1\">-<\/span><span style=\"color: #D8DEE9\">none<\/span><span style=\"color: #81A1C1\">-<\/span><span style=\"color: #D8DEE9\">eabi<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9\">git<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">clone<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">--<\/span><span style=\"color: #D8DEE9\">recurse<\/span><span style=\"color: #81A1C1\">-<\/span><span style=\"color: #D8DEE9\">submodules<\/span><span style=\"color: #D8DEE9FF\">\u00a0https<\/span><span style=\"color: #ECEFF4\">:<\/span><span style=\"color: #616E88\">\/\/github.com\/micropython\/micropython.git<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9\">pip3<\/span><span style=\"color: #D8DEE9FF\">\u00a0<\/span><span style=\"color: #D8DEE9\">install<\/span><span style=\"color: #D8DEE9FF\">\u00a0<\/span><span style=\"color: #ECEFF4\">&#39;<\/span><span style=\"color: #A3BE8C\">pyelftools&gt;=0.25<\/span><span style=\"color: #ECEFF4\">&#39;<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Deze installaties zullen een tijdje duren, als je tijd wilt besparen en je weet wat je doet, hoef je alleen maar de \/py en \/tools directory van de micropython repository te clonen en ze in een <em>micropython<\/em> map in de&nbsp;<em>factfib<\/em> map (sla het tweede commando over).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Terwijl de installatie loopt, kunnen we de tijd gebruiken om de Makefile te schrijven. Voer gewoon<\/p>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;line-height:1.25rem;--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span style=\"display:block;padding:16px 0 0 16px;margin-bottom:-1px;width:100%;text-align:left;background-color:#2e3440ff\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"54\" height=\"14\" viewbox=\"0 0 54 14\"><g fill=\"none\" fill-rule=\"evenodd\" transform=\"translate(1 1)\"><circle cx=\"6\" cy=\"6\" r=\"6\" fill=\"#FF5F56\" stroke=\"#E0443E\" stroke-width=\".5\"><\/circle><circle cx=\"26\" cy=\"6\" r=\"6\" fill=\"#FFBD2E\" stroke=\"#DEA123\" stroke-width=\".5\"><\/circle><circle cx=\"46\" cy=\"6\" r=\"6\" fill=\"#27C93F\" stroke=\"#1AAB29\" stroke-width=\".5\"><\/circle><\/g><\/svg><\/span><span role=\"button\" tabindex=\"0\" data-code=\"touch Makefile\" style=\"color:#d8dee9ff;display:none\" aria-label=\"Kopie\" class=\"code-block-pro-copy-button\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewbox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki nord\" style=\"background-color: #2e3440ff\" tabindex=\"0\"><code data-no-translation=\"\"><span class=\"line\"><span style=\"color: #D8DEE9\">touch<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">Makefile<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">en open het nieuw aangemaakte bestand in een tekstverwerker.<\/p>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;line-height:1.25rem;--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span style=\"display:block;padding:16px 0 0 16px;margin-bottom:-1px;width:100%;text-align:left;background-color:#2e3440ff\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"54\" height=\"14\" viewbox=\"0 0 54 14\"><g fill=\"none\" fill-rule=\"evenodd\" transform=\"translate(1 1)\"><circle cx=\"6\" cy=\"6\" r=\"6\" fill=\"#FF5F56\" stroke=\"#E0443E\" stroke-width=\".5\"><\/circle><circle cx=\"26\" cy=\"6\" r=\"6\" fill=\"#FFBD2E\" stroke=\"#DEA123\" stroke-width=\".5\"><\/circle><circle cx=\"46\" cy=\"6\" r=\"6\" fill=\"#27C93F\" stroke=\"#1AAB29\" stroke-width=\".5\"><\/circle><\/g><\/svg><\/span><span role=\"button\" tabindex=\"0\" data-code=\"MPY_DIR = micropythonMOD = factfibSRC = factfib.cARCH = armv7minclude $(MPY_DIR)\/py\/dynruntime.mk\" style=\"color:#d8dee9ff;display:none\" aria-label=\"Kopie\" class=\"code-block-pro-copy-button\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewbox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki nord\" style=\"background-color: #2e3440ff\" tabindex=\"0\"><code data-no-translation=\"\"><span class=\"line\"><span style=\"color: #D8DEE9\">MPY_DIR<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">=<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">micropython<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9\">MOD<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">=<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">factfib<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9\">SRC<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">=<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">factfib<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #D8DEE9\">c<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9\">ARCH<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">=<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">armv7m<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9\">include<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #88C0D0\">$<\/span><span style=\"color: #D8DEE9FF\">(<\/span><span style=\"color: #D8DEE9\">MPY_DIR<\/span><span style=\"color: #D8DEE9FF\">)<\/span><span style=\"color: #81A1C1\">\/<\/span><span style=\"color: #D8DEE9\">py<\/span><span style=\"color: #81A1C1\">\/<\/span><span style=\"color: #D8DEE9\">dynruntime<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #D8DEE9\">mk<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Je hebt misschien gemerkt dat we de <em>ARCH <\/em>variabele naar <em>armv7m<\/em> hoewel de pico <em>armv6m<\/em>. We moeten dit doen omdat de <em>armv6m<\/em> architectuur wordt (op het moment dat ik dit artikel schrijf) niet ondersteund door de <em>dynruntime.mk<\/em> gereedschap.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Maar gelukkig kunnen we nog steeds een werkende uitbreiding compileren voor de Pico. We hoeven alleen maar de <em>dynruntime.mk <\/em>bestand, dat zich moet bevinden onder <em>micropython\/py\/dynruntime.mk.&nbsp;<\/em>Open het en zoek onder Architectuur configuratie in armv7m naar de CFLAGS variabele (zou regel 64 moeten zijn). Verander&nbsp;<em>-mcpu=cortex-m3<\/em> naar&nbsp;<em>-mcpu=cortex-m0<\/em> en sla het bestand op.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"86\" src=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2021\/04\/dynruntimeChange-300x86.png\" alt=\"chnge -mcpu=cortex-m3 naar -mcpu=cortex-m0\" class=\"wp-image-780\" style=\"width:648px;height:186px\" srcset=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2021\/04\/dynruntimeChange-300x86.png 300w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2021\/04\/dynruntimeChange-768x219.png 768w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2021\/04\/dynruntimeChange.png 946w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">Dan nadat alles ge\u00efnstalleerd is, voer<\/p>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;line-height:1.25rem;--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span style=\"display:block;padding:16px 0 0 16px;margin-bottom:-1px;width:100%;text-align:left;background-color:#2e3440ff\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"54\" height=\"14\" viewbox=\"0 0 54 14\"><g fill=\"none\" fill-rule=\"evenodd\" transform=\"translate(1 1)\"><circle cx=\"6\" cy=\"6\" r=\"6\" fill=\"#FF5F56\" stroke=\"#E0443E\" stroke-width=\".5\"><\/circle><circle cx=\"26\" cy=\"6\" r=\"6\" fill=\"#FFBD2E\" stroke=\"#DEA123\" stroke-width=\".5\"><\/circle><circle cx=\"46\" cy=\"6\" r=\"6\" fill=\"#27C93F\" stroke=\"#1AAB29\" stroke-width=\".5\"><\/circle><\/g><\/svg><\/span><span role=\"button\" tabindex=\"0\" data-code=\"make\" style=\"color:#d8dee9ff;display:none\" aria-label=\"Kopie\" class=\"code-block-pro-copy-button\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewbox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki nord\" style=\"background-color: #2e3440ff\" tabindex=\"0\"><code data-no-translation=\"\"><span class=\"line\"><span style=\"color: #D8DEE9\">make<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">en de&nbsp;<em>factfib.mpy<\/em> bestand zal worden aangemaakt.<\/p>\n\n\n\n<h2>Installeer en test de uitbreiding<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">De laatste stap is installeren en testen. Hiervoor maken we gebruik van het bestandssysteem dat Micropython aanmaakt op de Raspberry Pi Pico. Eerst moeten we de Pico flashen met de MicroPython firmware. De eenvoudigste manier om dit te doen is door de Thonny IDE te gebruiken (voorge\u00efnstalleerd op Raspbian\/Raspberry Pi OS).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Als u geen Raspberry Pi gebruikt om uw Pico te programmeren of als u MicroPython nog nooit op de Pico hebt gebruikt, raadpleeg dan de handleiding \"Aan de slag met MicroPython\" van Raspberry Pi <a href=\"https:\/\/www.raspberrypi.org\/documentation\/rp2040\/getting-started\/#getting-started-with-micropython\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/www.raspberrypi.org\/documentation\/rp2040\/getting-started\/#getting-started-with-micropython<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Als u Windows gebruikt, kijk dan eens naar deze blogpost over de Raspberry Pi Pico en MicroPython op Windows <a href=\"https:\/\/picockpit.com\/raspberry-pi\/raspberry-pi-pico-and-micropython-on-windows\/\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/picockpit.com\/raspberry-pi\/raspberry-pi-pico-and-micropython-on-windows\/<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Sluit Thonny nadat je je Pico hebt geflashed met de MicroPython firmware en installeer rshell. We gebruiken rshell om toegang te krijgen tot het bestandssysteem vanaf de commandoregel.<\/p>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;line-height:1.25rem;--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span style=\"display:block;padding:16px 0 0 16px;margin-bottom:-1px;width:100%;text-align:left;background-color:#2e3440ff\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"54\" height=\"14\" viewbox=\"0 0 54 14\"><g fill=\"none\" fill-rule=\"evenodd\" transform=\"translate(1 1)\"><circle cx=\"6\" cy=\"6\" r=\"6\" fill=\"#FF5F56\" stroke=\"#E0443E\" stroke-width=\".5\"><\/circle><circle cx=\"26\" cy=\"6\" r=\"6\" fill=\"#FFBD2E\" stroke=\"#DEA123\" stroke-width=\".5\"><\/circle><circle cx=\"46\" cy=\"6\" r=\"6\" fill=\"#27C93F\" stroke=\"#1AAB29\" stroke-width=\".5\"><\/circle><\/g><\/svg><\/span><span role=\"button\" tabindex=\"0\" data-code=\"sudo pip3 install rshellrshell --version\" style=\"color:#d8dee9ff;display:none\" aria-label=\"Kopie\" class=\"code-block-pro-copy-button\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewbox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki nord\" style=\"background-color: #2e3440ff\" tabindex=\"0\"><code data-no-translation=\"\"><span class=\"line\"><span style=\"color: #D8DEE9\">sudo<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">pip3<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">install<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">rshell<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9\">rshell<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">--<\/span><span style=\"color: #D8DEE9\">version<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Dit drukt de rhsell versie af als alles juist is ingesteld. Trek dan de stekker van de pico uit het stopcontact en steek hem er weer in (zonder de BOOTSEL knop ingedrukt te houden) om er zeker van te zijn dat niets toegang probeert te krijgen tot het bestandssysteem. Nu moeten we het volgende uitvoeren<\/p>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;line-height:1.25rem;--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span style=\"display:block;padding:16px 0 0 16px;margin-bottom:-1px;width:100%;text-align:left;background-color:#2e3440ff\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"54\" height=\"14\" viewbox=\"0 0 54 14\"><g fill=\"none\" fill-rule=\"evenodd\" transform=\"translate(1 1)\"><circle cx=\"6\" cy=\"6\" r=\"6\" fill=\"#FF5F56\" stroke=\"#E0443E\" stroke-width=\".5\"><\/circle><circle cx=\"26\" cy=\"6\" r=\"6\" fill=\"#FFBD2E\" stroke=\"#DEA123\" stroke-width=\".5\"><\/circle><circle cx=\"46\" cy=\"6\" r=\"6\" fill=\"#27C93F\" stroke=\"#1AAB29\" stroke-width=\".5\"><\/circle><\/g><\/svg><\/span><span role=\"button\" tabindex=\"0\" data-code=\"rshell -p \/dev\/ttyACM0 --buffer-size 512cp factfib.mpy \/pyboard\/factfib.mpy\" style=\"color:#d8dee9ff;display:none\" aria-label=\"Kopie\" class=\"code-block-pro-copy-button\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewbox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki nord\" style=\"background-color: #2e3440ff\" tabindex=\"0\"><code data-no-translation=\"\"><span class=\"line\"><span style=\"color: #D8DEE9\">rshell<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">-<\/span><span style=\"color: #D8DEE9\">p<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">\/<\/span><span style=\"color: #D8DEE9\">dev<\/span><span style=\"color: #81A1C1\">\/<\/span><span style=\"color: #D8DEE9\">ttyACM0<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">--<\/span><span style=\"color: #D8DEE9\">buffer<\/span><span style=\"color: #81A1C1\">-<\/span><span style=\"color: #D8DEE9\">size<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #B48EAD\">512<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9\">cp<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">factfib<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #D8DEE9\">mpy<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">\/<\/span><span style=\"color: #D8DEE9\">pyboard<\/span><span style=\"color: #81A1C1\">\/<\/span><span style=\"color: #D8DEE9\">factfib<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #D8DEE9\">mpy<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Om de installatie te testen kunt u rshell of de Thonny IDE gebruiken om uw <em>.py<\/em> bestanden op de Pico, maar ik zal demonstreren hoe je de MicroPython interpreter over de minicom gebruikt.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dus druk eerst op&nbsp;<em>Ctrl+c<\/em> om rshell te verlaten en dan minicom te installeren via<\/p>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;line-height:1.25rem;--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span style=\"display:block;padding:16px 0 0 16px;margin-bottom:-1px;width:100%;text-align:left;background-color:#2e3440ff\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"54\" height=\"14\" viewbox=\"0 0 54 14\"><g fill=\"none\" fill-rule=\"evenodd\" transform=\"translate(1 1)\"><circle cx=\"6\" cy=\"6\" r=\"6\" fill=\"#FF5F56\" stroke=\"#E0443E\" stroke-width=\".5\"><\/circle><circle cx=\"26\" cy=\"6\" r=\"6\" fill=\"#FFBD2E\" stroke=\"#DEA123\" stroke-width=\".5\"><\/circle><circle cx=\"46\" cy=\"6\" r=\"6\" fill=\"#27C93F\" stroke=\"#1AAB29\" stroke-width=\".5\"><\/circle><\/g><\/svg><\/span><span role=\"button\" tabindex=\"0\" data-code=\"sudo apt install minicom\" style=\"color:#d8dee9ff;display:none\" aria-label=\"Kopie\" class=\"code-block-pro-copy-button\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewbox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki nord\" style=\"background-color: #2e3440ff\" tabindex=\"0\"><code data-no-translation=\"\"><span class=\"line\"><span style=\"color: #D8DEE9\">sudo<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">apt<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">install<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">minicom<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">nu hebben we toegang tot de Picos REPL (Read-eval-print loop)<\/p>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;line-height:1.25rem;--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span style=\"display:block;padding:16px 0 0 16px;margin-bottom:-1px;width:100%;text-align:left;background-color:#2e3440ff\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"54\" height=\"14\" viewbox=\"0 0 54 14\"><g fill=\"none\" fill-rule=\"evenodd\" transform=\"translate(1 1)\"><circle cx=\"6\" cy=\"6\" r=\"6\" fill=\"#FF5F56\" stroke=\"#E0443E\" stroke-width=\".5\"><\/circle><circle cx=\"26\" cy=\"6\" r=\"6\" fill=\"#FFBD2E\" stroke=\"#DEA123\" stroke-width=\".5\"><\/circle><circle cx=\"46\" cy=\"6\" r=\"6\" fill=\"#27C93F\" stroke=\"#1AAB29\" stroke-width=\".5\"><\/circle><\/g><\/svg><\/span><span role=\"button\" tabindex=\"0\" data-code=\"minicom -o -D \/dev\/ttyACM0\" style=\"color:#d8dee9ff;display:none\" aria-label=\"Kopie\" class=\"code-block-pro-copy-button\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewbox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki nord\" style=\"background-color: #2e3440ff\" tabindex=\"0\"><code data-no-translation=\"\"><span class=\"line\"><span style=\"color: #D8DEE9\">minicom<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">-<\/span><span style=\"color: #D8DEE9\">o<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">-<\/span><span style=\"color: #D8DEE9\">D<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">\/<\/span><span style=\"color: #D8DEE9\">dev<\/span><span style=\"color: #81A1C1\">\/<\/span><span style=\"color: #D8DEE9\">ttyACM0<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">De drie afsluitende haakjes &gt;&gt;&gt; geven aan dat de MicroPython-interpreter draait. Nu kunnen we onze extensie importeren en er zoals gewoonlijk mee werken.<\/p>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;line-height:1.25rem;--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span style=\"display:block;padding:16px 0 0 16px;margin-bottom:-1px;width:100%;text-align:left;background-color:#2e3440ff\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"54\" height=\"14\" viewbox=\"0 0 54 14\"><g fill=\"none\" fill-rule=\"evenodd\" transform=\"translate(1 1)\"><circle cx=\"6\" cy=\"6\" r=\"6\" fill=\"#FF5F56\" stroke=\"#E0443E\" stroke-width=\".5\"><\/circle><circle cx=\"26\" cy=\"6\" r=\"6\" fill=\"#FFBD2E\" stroke=\"#DEA123\" stroke-width=\".5\"><\/circle><circle cx=\"46\" cy=\"6\" r=\"6\" fill=\"#27C93F\" stroke=\"#1AAB29\" stroke-width=\".5\"><\/circle><\/g><\/svg><\/span><span role=\"button\" tabindex=\"0\" data-code=\"&gt;&gt;&gt; import factfib as ff&gt;&gt;&gt; ff.factorial(5)&gt;&gt;&gt; 120&gt;&gt;&gt; ff.fibonacci(7)&gt;&gt;&gt; 13\" style=\"color:#d8dee9ff;display:none\" aria-label=\"Kopie\" class=\"code-block-pro-copy-button\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewbox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki nord\" style=\"background-color: #2e3440ff\" tabindex=\"0\"><code data-no-translation=\"\"><span class=\"line\"><span style=\"color: #81A1C1\">&gt;&gt;&gt;<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">import<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">factfib<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">as<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #8FBCBB\">ff<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">&gt;&gt;&gt; <\/span><span style=\"color: #8FBCBB\">ff<\/span><span style=\"color: #D8DEE9FF\">.<\/span><span style=\"color: #8FBCBB\">factorial<\/span><span style=\"color: #D8DEE9FF\">(5)<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">&gt;&gt;&gt; 120<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">&gt;&gt;&gt; <\/span><span style=\"color: #8FBCBB\">ff<\/span><span style=\"color: #D8DEE9FF\">.<\/span><span style=\"color: #8FBCBB\">fibonacci<\/span><span style=\"color: #D8DEE9FF\">(7)<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">&gt;&gt;&gt; 13<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Gefeliciteerd! Je hebt je eerste MicroPython C-extensie voor de Pico gemaakt! De volgende stap is om complexere modules te leren schrijven en compileren. Een goede manier om te beginnen is door te testen hoe Marshalling van lijsten en dicts werkt (zie de Marshalling webpagina van hierboven). <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Als je vragen hebt over deze post, schrijf dan gerust een reactie.<\/p>\n<div class=\"shariff shariff-align-center shariff-widget-align-left shariff-buttonstretch\"><ul class=\"shariff-buttons theme-white orientation-horizontal buttonsize-medium\"><li class=\"shariff-button twitter shariff-nocustomcolor\" style=\"background-color:#595959\"><a href=\"https:\/\/twitter.com\/share?url=https%3A%2F%2Fpicockpit.com%2Fraspberry-pi%2Fnl%2Fc-extensie-voor-micropython-op-raspberry-pi-pico%2F&text=C%20extension%20for%20MicroPython%20on%20Raspberry%20Pi%20Pico\" title=\"Delen op X\" aria-label=\"Delen op X\" role=\"button\" rel=\"noopener nofollow\" class=\"shariff-link\" style=\"; background-color:#000; color:#000\" target=\"_blank\"><span class=\"shariff-icon\" style=\"fill:#000\"><svg width=\"32px\" height=\"20px\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 24 24\"><path fill=\"#000\" d=\"M14.258 10.152L23.176 0h-2.113l-7.747 8.813L7.133 0H0l9.352 13.328L0 23.973h2.113l8.176-9.309 6.531 9.309h7.133zm-2.895 3.293l-.949-1.328L2.875 1.56h3.246l6.086 8.523.945 1.328 7.91 11.078h-3.246zm0 0\"\/><\/svg><\/span><span class=\"shariff-text\" style=\"color:#000\">delen<\/span>&nbsp;<\/a><\/li><li class=\"shariff-button facebook shariff-nocustomcolor\" style=\"background-color:#4273c8\"><a href=\"https:\/\/www.facebook.com\/sharer\/sharer.php?u=https%3A%2F%2Fpicockpit.com%2Fraspberry-pi%2Fnl%2Fc-extensie-voor-micropython-op-raspberry-pi-pico%2F\" title=\"Delen op Facebook\" aria-label=\"Delen op Facebook\" role=\"button\" rel=\"nofollow\" class=\"shariff-link\" style=\"; background-color:#3b5998; color:#3b5998\" target=\"_blank\"><span class=\"shariff-icon\" style=\"fill:#3b5998\"><svg width=\"32px\" height=\"20px\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 18 32\"><path fill=\"#3b5998\" d=\"M17.1 0.2v4.7h-2.8q-1.5 0-2.1 0.6t-0.5 1.9v3.4h5.2l-0.7 5.3h-4.5v13.6h-5.5v-13.6h-4.5v-5.3h4.5v-3.9q0-3.3 1.9-5.2t5-1.8q2.6 0 4.1 0.2z\"\/><\/svg><\/span><span class=\"shariff-text\" style=\"color:#3b5998\">delen<\/span>&nbsp;<\/a><\/li><li class=\"shariff-button telegram shariff-nocustomcolor\" style=\"background-color:#4084A6\"><a href=\"https:\/\/telegram.me\/share\/url?url=https%3A%2F%2Fpicockpit.com%2Fraspberry-pi%2Fnl%2Fc-extensie-voor-micropython-op-raspberry-pi-pico%2F&text=C%20extension%20for%20MicroPython%20on%20Raspberry%20Pi%20Pico\" title=\"Delen op Telegram\" aria-label=\"Delen op Telegram\" role=\"button\" rel=\"noopener nofollow\" class=\"shariff-link\" style=\"; background-color:#0088cc; color:#0088cc\" target=\"_blank\"><span class=\"shariff-icon\" style=\"fill:#0088cc\"><svg width=\"32px\" height=\"20px\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 32 32\"><path fill=\"#0088cc\" d=\"M30.8 6.5l-4.5 21.4c-.3 1.5-1.2 1.9-2.5 1.2L16.9 24l-3.3 3.2c-.4.4-.7.7-1.4.7l.5-7L25.5 9.2c.6-.5-.1-.8-.9-.3l-15.8 10L2 16.7c-1.5-.5-1.5-1.5.3-2.2L28.9 4.3c1.3-.5 2.3.3 1.9 2.2z\"\/><\/svg><\/span><span class=\"shariff-text\" style=\"color:#0088cc\">delen<\/span>&nbsp;<\/a><\/li><li class=\"shariff-button reddit shariff-nocustomcolor\" style=\"background-color:#ff5700\"><a href=\"https:\/\/www.reddit.com\/submit?url=https%3A%2F%2Fpicockpit.com%2Fraspberry-pi%2Fnl%2Fc-extensie-voor-micropython-op-raspberry-pi-pico%2F\" title=\"Delen op Reddit\" aria-label=\"Delen op Reddit\" role=\"button\" rel=\"noopener nofollow\" class=\"shariff-link\" style=\"; background-color:#ff4500; color:#ff4500\" target=\"_blank\"><span class=\"shariff-icon\" style=\"fill:#ff4500\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 512 512\"><path fill=\"#ff4500\" d=\"M440.3 203.5c-15 0-28.2 6.2-37.9 15.9-35.7-24.7-83.8-40.6-137.1-42.3L293 52.3l88.2 19.8c0 21.6 17.6 39.2 39.2 39.2 22 0 39.7-18.1 39.7-39.7s-17.6-39.7-39.7-39.7c-15.4 0-28.7 9.3-35.3 22l-97.4-21.6c-4.9-1.3-9.7 2.2-11 7.1L246.3 177c-52.9 2.2-100.5 18.1-136.3 42.8-9.7-10.1-23.4-16.3-38.4-16.3-55.6 0-73.8 74.6-22.9 100.1-1.8 7.9-2.6 16.3-2.6 24.7 0 83.8 94.4 151.7 210.3 151.7 116.4 0 210.8-67.9 210.8-151.7 0-8.4-.9-17.2-3.1-25.1 49.9-25.6 31.5-99.7-23.8-99.7zM129.4 308.9c0-22 17.6-39.7 39.7-39.7 21.6 0 39.2 17.6 39.2 39.7 0 21.6-17.6 39.2-39.2 39.2-22 .1-39.7-17.6-39.7-39.2zm214.3 93.5c-36.4 36.4-139.1 36.4-175.5 0-4-3.5-4-9.7 0-13.7 3.5-3.5 9.7-3.5 13.2 0 27.8 28.5 120 29 149 0 3.5-3.5 9.7-3.5 13.2 0 4.1 4 4.1 10.2.1 13.7zm-.8-54.2c-21.6 0-39.2-17.6-39.2-39.2 0-22 17.6-39.7 39.2-39.7 22 0 39.7 17.6 39.7 39.7-.1 21.5-17.7 39.2-39.7 39.2z\"\/><\/svg><\/span><span class=\"shariff-text\" style=\"color:#ff4500\">delen<\/span>&nbsp;<\/a><\/li><\/ul><\/div>","protected":false},"excerpt":{"rendered":"<p>Dit is een gids over hoe een basis C uitbreiding voor MicroPython te schrijven en te draaien op de Raspberry Pi Pico. Ik zal de redenen voor het uitbreiden van MicroPython behandelen, hoe de uitbreidingsmodule te schrijven, hoe het te compileren en hoe het te installeren op de Pico. Als je meer wilt lezen over dit onderwerp,...<\/p>","protected":false},"author":3,"featured_media":679,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1193,10],"tags":[964,19,756,477,18,963,606,14,11,486,447,476,187,17],"class_list":["post-774","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-python","category-raspberry-pi-pico","tag-bash","tag-c","tag-c-c","tag-circuitpython","tag-extension","tag-fibonacci","tag-linux","tag-micropython","tag-pico","tag-project","tag-projects","tag-python","tag-raspberry-pi","tag-raspberrypi"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>C extension for MicroPython on Raspberry Pi Pico | PiCockpit<\/title>\n<meta name=\"description\" content=\"Guide on how to write and run a C extension for MicroPython on the Raspberry Pi Pico. 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